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1da177e4 LT |
1 | /* |
2 | * ipr.c -- driver for IBM Power Linux RAID adapters | |
3 | * | |
4 | * Written By: Brian King <brking@us.ibm.com>, IBM Corporation | |
5 | * | |
6 | * Copyright (C) 2003, 2004 IBM Corporation | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
21 | * | |
22 | */ | |
23 | ||
24 | /* | |
25 | * Notes: | |
26 | * | |
27 | * This driver is used to control the following SCSI adapters: | |
28 | * | |
29 | * IBM iSeries: 5702, 5703, 2780, 5709, 570A, 570B | |
30 | * | |
31 | * IBM pSeries: PCI-X Dual Channel Ultra 320 SCSI RAID Adapter | |
32 | * PCI-X Dual Channel Ultra 320 SCSI Adapter | |
33 | * PCI-X Dual Channel Ultra 320 SCSI RAID Enablement Card | |
34 | * Embedded SCSI adapter on p615 and p655 systems | |
35 | * | |
36 | * Supported Hardware Features: | |
37 | * - Ultra 320 SCSI controller | |
38 | * - PCI-X host interface | |
39 | * - Embedded PowerPC RISC Processor and Hardware XOR DMA Engine | |
40 | * - Non-Volatile Write Cache | |
41 | * - Supports attachment of non-RAID disks, tape, and optical devices | |
42 | * - RAID Levels 0, 5, 10 | |
43 | * - Hot spare | |
44 | * - Background Parity Checking | |
45 | * - Background Data Scrubbing | |
46 | * - Ability to increase the capacity of an existing RAID 5 disk array | |
47 | * by adding disks | |
48 | * | |
49 | * Driver Features: | |
50 | * - Tagged command queuing | |
51 | * - Adapter microcode download | |
52 | * - PCI hot plug | |
53 | * - SCSI device hot plug | |
54 | * | |
55 | */ | |
56 | ||
1da177e4 LT |
57 | #include <linux/fs.h> |
58 | #include <linux/init.h> | |
59 | #include <linux/types.h> | |
60 | #include <linux/errno.h> | |
61 | #include <linux/kernel.h> | |
5a0e3ad6 | 62 | #include <linux/slab.h> |
4d4dd706 | 63 | #include <linux/vmalloc.h> |
1da177e4 LT |
64 | #include <linux/ioport.h> |
65 | #include <linux/delay.h> | |
66 | #include <linux/pci.h> | |
67 | #include <linux/wait.h> | |
68 | #include <linux/spinlock.h> | |
69 | #include <linux/sched.h> | |
70 | #include <linux/interrupt.h> | |
71 | #include <linux/blkdev.h> | |
72 | #include <linux/firmware.h> | |
73 | #include <linux/module.h> | |
74 | #include <linux/moduleparam.h> | |
35a39691 | 75 | #include <linux/libata.h> |
0ce3a7e5 | 76 | #include <linux/hdreg.h> |
f72919ec | 77 | #include <linux/reboot.h> |
3e7ebdfa | 78 | #include <linux/stringify.h> |
1da177e4 LT |
79 | #include <asm/io.h> |
80 | #include <asm/irq.h> | |
81 | #include <asm/processor.h> | |
82 | #include <scsi/scsi.h> | |
83 | #include <scsi/scsi_host.h> | |
84 | #include <scsi/scsi_tcq.h> | |
85 | #include <scsi/scsi_eh.h> | |
86 | #include <scsi/scsi_cmnd.h> | |
1da177e4 LT |
87 | #include "ipr.h" |
88 | ||
89 | /* | |
90 | * Global Data | |
91 | */ | |
b7d68ca3 | 92 | static LIST_HEAD(ipr_ioa_head); |
1da177e4 LT |
93 | static unsigned int ipr_log_level = IPR_DEFAULT_LOG_LEVEL; |
94 | static unsigned int ipr_max_speed = 1; | |
95 | static int ipr_testmode = 0; | |
96 | static unsigned int ipr_fastfail = 0; | |
5469cb5b | 97 | static unsigned int ipr_transop_timeout = 0; |
d3c74871 | 98 | static unsigned int ipr_debug = 0; |
3e7ebdfa | 99 | static unsigned int ipr_max_devs = IPR_DEFAULT_SIS64_DEVS; |
ac09c349 | 100 | static unsigned int ipr_dual_ioa_raid = 1; |
cb05cbb3 | 101 | static unsigned int ipr_number_of_msix = 16; |
4fdd7c7a | 102 | static unsigned int ipr_fast_reboot; |
1da177e4 LT |
103 | static DEFINE_SPINLOCK(ipr_driver_lock); |
104 | ||
105 | /* This table describes the differences between DMA controller chips */ | |
106 | static const struct ipr_chip_cfg_t ipr_chip_cfg[] = { | |
60e7486b | 107 | { /* Gemstone, Citrine, Obsidian, and Obsidian-E */ |
1da177e4 | 108 | .mailbox = 0x0042C, |
89aad428 | 109 | .max_cmds = 100, |
1da177e4 | 110 | .cache_line_size = 0x20, |
7dd21308 | 111 | .clear_isr = 1, |
b53d124a | 112 | .iopoll_weight = 0, |
1da177e4 LT |
113 | { |
114 | .set_interrupt_mask_reg = 0x0022C, | |
115 | .clr_interrupt_mask_reg = 0x00230, | |
214777ba | 116 | .clr_interrupt_mask_reg32 = 0x00230, |
1da177e4 | 117 | .sense_interrupt_mask_reg = 0x0022C, |
214777ba | 118 | .sense_interrupt_mask_reg32 = 0x0022C, |
1da177e4 | 119 | .clr_interrupt_reg = 0x00228, |
214777ba | 120 | .clr_interrupt_reg32 = 0x00228, |
1da177e4 | 121 | .sense_interrupt_reg = 0x00224, |
214777ba | 122 | .sense_interrupt_reg32 = 0x00224, |
1da177e4 LT |
123 | .ioarrin_reg = 0x00404, |
124 | .sense_uproc_interrupt_reg = 0x00214, | |
214777ba | 125 | .sense_uproc_interrupt_reg32 = 0x00214, |
1da177e4 | 126 | .set_uproc_interrupt_reg = 0x00214, |
214777ba WB |
127 | .set_uproc_interrupt_reg32 = 0x00214, |
128 | .clr_uproc_interrupt_reg = 0x00218, | |
129 | .clr_uproc_interrupt_reg32 = 0x00218 | |
1da177e4 LT |
130 | } |
131 | }, | |
132 | { /* Snipe and Scamp */ | |
133 | .mailbox = 0x0052C, | |
89aad428 | 134 | .max_cmds = 100, |
1da177e4 | 135 | .cache_line_size = 0x20, |
7dd21308 | 136 | .clear_isr = 1, |
b53d124a | 137 | .iopoll_weight = 0, |
1da177e4 LT |
138 | { |
139 | .set_interrupt_mask_reg = 0x00288, | |
140 | .clr_interrupt_mask_reg = 0x0028C, | |
214777ba | 141 | .clr_interrupt_mask_reg32 = 0x0028C, |
1da177e4 | 142 | .sense_interrupt_mask_reg = 0x00288, |
214777ba | 143 | .sense_interrupt_mask_reg32 = 0x00288, |
1da177e4 | 144 | .clr_interrupt_reg = 0x00284, |
214777ba | 145 | .clr_interrupt_reg32 = 0x00284, |
1da177e4 | 146 | .sense_interrupt_reg = 0x00280, |
214777ba | 147 | .sense_interrupt_reg32 = 0x00280, |
1da177e4 LT |
148 | .ioarrin_reg = 0x00504, |
149 | .sense_uproc_interrupt_reg = 0x00290, | |
214777ba | 150 | .sense_uproc_interrupt_reg32 = 0x00290, |
1da177e4 | 151 | .set_uproc_interrupt_reg = 0x00290, |
214777ba WB |
152 | .set_uproc_interrupt_reg32 = 0x00290, |
153 | .clr_uproc_interrupt_reg = 0x00294, | |
154 | .clr_uproc_interrupt_reg32 = 0x00294 | |
1da177e4 LT |
155 | } |
156 | }, | |
a74c1639 | 157 | { /* CRoC */ |
110def85 | 158 | .mailbox = 0x00044, |
89aad428 | 159 | .max_cmds = 1000, |
a74c1639 | 160 | .cache_line_size = 0x20, |
7dd21308 | 161 | .clear_isr = 0, |
b53d124a | 162 | .iopoll_weight = 64, |
a74c1639 WB |
163 | { |
164 | .set_interrupt_mask_reg = 0x00010, | |
165 | .clr_interrupt_mask_reg = 0x00018, | |
214777ba | 166 | .clr_interrupt_mask_reg32 = 0x0001C, |
a74c1639 | 167 | .sense_interrupt_mask_reg = 0x00010, |
214777ba | 168 | .sense_interrupt_mask_reg32 = 0x00014, |
a74c1639 | 169 | .clr_interrupt_reg = 0x00008, |
214777ba | 170 | .clr_interrupt_reg32 = 0x0000C, |
a74c1639 | 171 | .sense_interrupt_reg = 0x00000, |
214777ba | 172 | .sense_interrupt_reg32 = 0x00004, |
a74c1639 WB |
173 | .ioarrin_reg = 0x00070, |
174 | .sense_uproc_interrupt_reg = 0x00020, | |
214777ba | 175 | .sense_uproc_interrupt_reg32 = 0x00024, |
a74c1639 | 176 | .set_uproc_interrupt_reg = 0x00020, |
214777ba | 177 | .set_uproc_interrupt_reg32 = 0x00024, |
dcbad00e | 178 | .clr_uproc_interrupt_reg = 0x00028, |
214777ba WB |
179 | .clr_uproc_interrupt_reg32 = 0x0002C, |
180 | .init_feedback_reg = 0x0005C, | |
dcbad00e | 181 | .dump_addr_reg = 0x00064, |
8701f185 WB |
182 | .dump_data_reg = 0x00068, |
183 | .endian_swap_reg = 0x00084 | |
a74c1639 WB |
184 | } |
185 | }, | |
1da177e4 LT |
186 | }; |
187 | ||
188 | static const struct ipr_chip_t ipr_chip[] = { | |
a299ee62 CH |
189 | { PCI_VENDOR_ID_MYLEX, PCI_DEVICE_ID_IBM_GEMSTONE, false, IPR_SIS32, IPR_PCI_CFG, &ipr_chip_cfg[0] }, |
190 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CITRINE, false, IPR_SIS32, IPR_PCI_CFG, &ipr_chip_cfg[0] }, | |
191 | { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN, false, IPR_SIS32, IPR_PCI_CFG, &ipr_chip_cfg[0] }, | |
192 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN, false, IPR_SIS32, IPR_PCI_CFG, &ipr_chip_cfg[0] }, | |
193 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E, true, IPR_SIS32, IPR_PCI_CFG, &ipr_chip_cfg[0] }, | |
194 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_SNIPE, false, IPR_SIS32, IPR_PCI_CFG, &ipr_chip_cfg[1] }, | |
195 | { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP, false, IPR_SIS32, IPR_PCI_CFG, &ipr_chip_cfg[1] }, | |
196 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_FPGA_E2, true, IPR_SIS64, IPR_MMIO, &ipr_chip_cfg[2] }, | |
197 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, true, IPR_SIS64, IPR_MMIO, &ipr_chip_cfg[2] }, | |
198 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_RATTLESNAKE, true, IPR_SIS64, IPR_MMIO, &ipr_chip_cfg[2] } | |
1da177e4 LT |
199 | }; |
200 | ||
203fa3fe | 201 | static int ipr_max_bus_speeds[] = { |
1da177e4 LT |
202 | IPR_80MBs_SCSI_RATE, IPR_U160_SCSI_RATE, IPR_U320_SCSI_RATE |
203 | }; | |
204 | ||
205 | MODULE_AUTHOR("Brian King <brking@us.ibm.com>"); | |
206 | MODULE_DESCRIPTION("IBM Power RAID SCSI Adapter Driver"); | |
207 | module_param_named(max_speed, ipr_max_speed, uint, 0); | |
208 | MODULE_PARM_DESC(max_speed, "Maximum bus speed (0-2). Default: 1=U160. Speeds: 0=80 MB/s, 1=U160, 2=U320"); | |
209 | module_param_named(log_level, ipr_log_level, uint, 0); | |
210 | MODULE_PARM_DESC(log_level, "Set to 0 - 4 for increasing verbosity of device driver"); | |
211 | module_param_named(testmode, ipr_testmode, int, 0); | |
212 | MODULE_PARM_DESC(testmode, "DANGEROUS!!! Allows unsupported configurations"); | |
2cf22be0 | 213 | module_param_named(fastfail, ipr_fastfail, int, S_IRUGO | S_IWUSR); |
1da177e4 LT |
214 | MODULE_PARM_DESC(fastfail, "Reduce timeouts and retries"); |
215 | module_param_named(transop_timeout, ipr_transop_timeout, int, 0); | |
216 | MODULE_PARM_DESC(transop_timeout, "Time in seconds to wait for adapter to come operational (default: 300)"); | |
2cf22be0 | 217 | module_param_named(debug, ipr_debug, int, S_IRUGO | S_IWUSR); |
d3c74871 | 218 | MODULE_PARM_DESC(debug, "Enable device driver debugging logging. Set to 1 to enable. (default: 0)"); |
ac09c349 BK |
219 | module_param_named(dual_ioa_raid, ipr_dual_ioa_raid, int, 0); |
220 | MODULE_PARM_DESC(dual_ioa_raid, "Enable dual adapter RAID support. Set to 1 to enable. (default: 1)"); | |
3e7ebdfa WB |
221 | module_param_named(max_devs, ipr_max_devs, int, 0); |
222 | MODULE_PARM_DESC(max_devs, "Specify the maximum number of physical devices. " | |
223 | "[Default=" __stringify(IPR_DEFAULT_SIS64_DEVS) "]"); | |
05a6538a | 224 | module_param_named(number_of_msix, ipr_number_of_msix, int, 0); |
cb05cbb3 | 225 | MODULE_PARM_DESC(number_of_msix, "Specify the number of MSIX interrupts to use on capable adapters (1 - 16). (default:16)"); |
4fdd7c7a BK |
226 | module_param_named(fast_reboot, ipr_fast_reboot, int, S_IRUGO | S_IWUSR); |
227 | MODULE_PARM_DESC(fast_reboot, "Skip adapter shutdown during reboot. Set to 1 to enable. (default: 0)"); | |
1da177e4 LT |
228 | MODULE_LICENSE("GPL"); |
229 | MODULE_VERSION(IPR_DRIVER_VERSION); | |
230 | ||
1da177e4 LT |
231 | /* A constant array of IOASCs/URCs/Error Messages */ |
232 | static const | |
233 | struct ipr_error_table_t ipr_error_table[] = { | |
933916f3 | 234 | {0x00000000, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 LT |
235 | "8155: An unknown error was received"}, |
236 | {0x00330000, 0, 0, | |
237 | "Soft underlength error"}, | |
238 | {0x005A0000, 0, 0, | |
239 | "Command to be cancelled not found"}, | |
240 | {0x00808000, 0, 0, | |
241 | "Qualified success"}, | |
933916f3 | 242 | {0x01080000, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 243 | "FFFE: Soft device bus error recovered by the IOA"}, |
933916f3 | 244 | {0x01088100, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 245 | "4101: Soft device bus fabric error"}, |
5aa3a333 WB |
246 | {0x01100100, 0, IPR_DEFAULT_LOG_LEVEL, |
247 | "FFFC: Logical block guard error recovered by the device"}, | |
248 | {0x01100300, 0, IPR_DEFAULT_LOG_LEVEL, | |
249 | "FFFC: Logical block reference tag error recovered by the device"}, | |
250 | {0x01108300, 0, IPR_DEFAULT_LOG_LEVEL, | |
251 | "4171: Recovered scatter list tag / sequence number error"}, | |
252 | {0x01109000, 0, IPR_DEFAULT_LOG_LEVEL, | |
253 | "FF3D: Recovered logical block CRC error on IOA to Host transfer"}, | |
254 | {0x01109200, 0, IPR_DEFAULT_LOG_LEVEL, | |
255 | "4171: Recovered logical block sequence number error on IOA to Host transfer"}, | |
256 | {0x0110A000, 0, IPR_DEFAULT_LOG_LEVEL, | |
257 | "FFFD: Recovered logical block reference tag error detected by the IOA"}, | |
258 | {0x0110A100, 0, IPR_DEFAULT_LOG_LEVEL, | |
259 | "FFFD: Logical block guard error recovered by the IOA"}, | |
933916f3 | 260 | {0x01170600, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 261 | "FFF9: Device sector reassign successful"}, |
933916f3 | 262 | {0x01170900, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 263 | "FFF7: Media error recovered by device rewrite procedures"}, |
933916f3 | 264 | {0x01180200, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 265 | "7001: IOA sector reassignment successful"}, |
933916f3 | 266 | {0x01180500, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 267 | "FFF9: Soft media error. Sector reassignment recommended"}, |
933916f3 | 268 | {0x01180600, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 269 | "FFF7: Media error recovered by IOA rewrite procedures"}, |
933916f3 | 270 | {0x01418000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 271 | "FF3D: Soft PCI bus error recovered by the IOA"}, |
933916f3 | 272 | {0x01440000, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 273 | "FFF6: Device hardware error recovered by the IOA"}, |
933916f3 | 274 | {0x01448100, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 275 | "FFF6: Device hardware error recovered by the device"}, |
933916f3 | 276 | {0x01448200, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 277 | "FF3D: Soft IOA error recovered by the IOA"}, |
933916f3 | 278 | {0x01448300, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 279 | "FFFA: Undefined device response recovered by the IOA"}, |
933916f3 | 280 | {0x014A0000, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 281 | "FFF6: Device bus error, message or command phase"}, |
933916f3 | 282 | {0x014A8000, 0, IPR_DEFAULT_LOG_LEVEL, |
35a39691 | 283 | "FFFE: Task Management Function failed"}, |
933916f3 | 284 | {0x015D0000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 285 | "FFF6: Failure prediction threshold exceeded"}, |
933916f3 | 286 | {0x015D9200, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 287 | "8009: Impending cache battery pack failure"}, |
ed7bd661 | 288 | {0x02040100, 0, 0, |
289 | "Logical Unit in process of becoming ready"}, | |
290 | {0x02040200, 0, 0, | |
291 | "Initializing command required"}, | |
1da177e4 LT |
292 | {0x02040400, 0, 0, |
293 | "34FF: Disk device format in progress"}, | |
ed7bd661 | 294 | {0x02040C00, 0, 0, |
295 | "Logical unit not accessible, target port in unavailable state"}, | |
65f56475 BK |
296 | {0x02048000, 0, IPR_DEFAULT_LOG_LEVEL, |
297 | "9070: IOA requested reset"}, | |
1da177e4 LT |
298 | {0x023F0000, 0, 0, |
299 | "Synchronization required"}, | |
ed7bd661 | 300 | {0x02408500, 0, 0, |
301 | "IOA microcode download required"}, | |
302 | {0x02408600, 0, 0, | |
303 | "Device bus connection is prohibited by host"}, | |
1da177e4 LT |
304 | {0x024E0000, 0, 0, |
305 | "No ready, IOA shutdown"}, | |
306 | {0x025A0000, 0, 0, | |
307 | "Not ready, IOA has been shutdown"}, | |
933916f3 | 308 | {0x02670100, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 LT |
309 | "3020: Storage subsystem configuration error"}, |
310 | {0x03110B00, 0, 0, | |
311 | "FFF5: Medium error, data unreadable, recommend reassign"}, | |
312 | {0x03110C00, 0, 0, | |
313 | "7000: Medium error, data unreadable, do not reassign"}, | |
933916f3 | 314 | {0x03310000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 315 | "FFF3: Disk media format bad"}, |
933916f3 | 316 | {0x04050000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 317 | "3002: Addressed device failed to respond to selection"}, |
933916f3 | 318 | {0x04080000, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 319 | "3100: Device bus error"}, |
933916f3 | 320 | {0x04080100, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 LT |
321 | "3109: IOA timed out a device command"}, |
322 | {0x04088000, 0, 0, | |
323 | "3120: SCSI bus is not operational"}, | |
933916f3 | 324 | {0x04088100, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 325 | "4100: Hard device bus fabric error"}, |
5aa3a333 WB |
326 | {0x04100100, 0, IPR_DEFAULT_LOG_LEVEL, |
327 | "310C: Logical block guard error detected by the device"}, | |
328 | {0x04100300, 0, IPR_DEFAULT_LOG_LEVEL, | |
329 | "310C: Logical block reference tag error detected by the device"}, | |
330 | {0x04108300, 1, IPR_DEFAULT_LOG_LEVEL, | |
331 | "4170: Scatter list tag / sequence number error"}, | |
332 | {0x04109000, 1, IPR_DEFAULT_LOG_LEVEL, | |
333 | "8150: Logical block CRC error on IOA to Host transfer"}, | |
334 | {0x04109200, 1, IPR_DEFAULT_LOG_LEVEL, | |
335 | "4170: Logical block sequence number error on IOA to Host transfer"}, | |
336 | {0x0410A000, 0, IPR_DEFAULT_LOG_LEVEL, | |
337 | "310D: Logical block reference tag error detected by the IOA"}, | |
338 | {0x0410A100, 0, IPR_DEFAULT_LOG_LEVEL, | |
339 | "310D: Logical block guard error detected by the IOA"}, | |
933916f3 | 340 | {0x04118000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 341 | "9000: IOA reserved area data check"}, |
933916f3 | 342 | {0x04118100, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 343 | "9001: IOA reserved area invalid data pattern"}, |
933916f3 | 344 | {0x04118200, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 345 | "9002: IOA reserved area LRC error"}, |
5aa3a333 WB |
346 | {0x04118300, 1, IPR_DEFAULT_LOG_LEVEL, |
347 | "Hardware Error, IOA metadata access error"}, | |
933916f3 | 348 | {0x04320000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 349 | "102E: Out of alternate sectors for disk storage"}, |
933916f3 | 350 | {0x04330000, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 351 | "FFF4: Data transfer underlength error"}, |
933916f3 | 352 | {0x04338000, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 353 | "FFF4: Data transfer overlength error"}, |
933916f3 | 354 | {0x043E0100, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 355 | "3400: Logical unit failure"}, |
933916f3 | 356 | {0x04408500, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 357 | "FFF4: Device microcode is corrupt"}, |
933916f3 | 358 | {0x04418000, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 LT |
359 | "8150: PCI bus error"}, |
360 | {0x04430000, 1, 0, | |
361 | "Unsupported device bus message received"}, | |
933916f3 | 362 | {0x04440000, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 363 | "FFF4: Disk device problem"}, |
933916f3 | 364 | {0x04448200, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 365 | "8150: Permanent IOA failure"}, |
933916f3 | 366 | {0x04448300, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 367 | "3010: Disk device returned wrong response to IOA"}, |
933916f3 | 368 | {0x04448400, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 LT |
369 | "8151: IOA microcode error"}, |
370 | {0x04448500, 0, 0, | |
371 | "Device bus status error"}, | |
933916f3 | 372 | {0x04448600, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 373 | "8157: IOA error requiring IOA reset to recover"}, |
35a39691 BK |
374 | {0x04448700, 0, 0, |
375 | "ATA device status error"}, | |
1da177e4 LT |
376 | {0x04490000, 0, 0, |
377 | "Message reject received from the device"}, | |
933916f3 | 378 | {0x04449200, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 379 | "8008: A permanent cache battery pack failure occurred"}, |
933916f3 | 380 | {0x0444A000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 381 | "9090: Disk unit has been modified after the last known status"}, |
933916f3 | 382 | {0x0444A200, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 383 | "9081: IOA detected device error"}, |
933916f3 | 384 | {0x0444A300, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 385 | "9082: IOA detected device error"}, |
933916f3 | 386 | {0x044A0000, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 387 | "3110: Device bus error, message or command phase"}, |
933916f3 | 388 | {0x044A8000, 1, IPR_DEFAULT_LOG_LEVEL, |
35a39691 | 389 | "3110: SAS Command / Task Management Function failed"}, |
933916f3 | 390 | {0x04670400, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 391 | "9091: Incorrect hardware configuration change has been detected"}, |
933916f3 | 392 | {0x04678000, 0, IPR_DEFAULT_LOG_LEVEL, |
b0df54bb | 393 | "9073: Invalid multi-adapter configuration"}, |
933916f3 | 394 | {0x04678100, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 395 | "4010: Incorrect connection between cascaded expanders"}, |
933916f3 | 396 | {0x04678200, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 397 | "4020: Connections exceed IOA design limits"}, |
933916f3 | 398 | {0x04678300, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 399 | "4030: Incorrect multipath connection"}, |
933916f3 | 400 | {0x04679000, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 401 | "4110: Unsupported enclosure function"}, |
ed7bd661 | 402 | {0x04679800, 0, IPR_DEFAULT_LOG_LEVEL, |
403 | "4120: SAS cable VPD cannot be read"}, | |
933916f3 | 404 | {0x046E0000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 LT |
405 | "FFF4: Command to logical unit failed"}, |
406 | {0x05240000, 1, 0, | |
407 | "Illegal request, invalid request type or request packet"}, | |
408 | {0x05250000, 0, 0, | |
409 | "Illegal request, invalid resource handle"}, | |
b0df54bb BK |
410 | {0x05258000, 0, 0, |
411 | "Illegal request, commands not allowed to this device"}, | |
412 | {0x05258100, 0, 0, | |
413 | "Illegal request, command not allowed to a secondary adapter"}, | |
5aa3a333 WB |
414 | {0x05258200, 0, 0, |
415 | "Illegal request, command not allowed to a non-optimized resource"}, | |
1da177e4 LT |
416 | {0x05260000, 0, 0, |
417 | "Illegal request, invalid field in parameter list"}, | |
418 | {0x05260100, 0, 0, | |
419 | "Illegal request, parameter not supported"}, | |
420 | {0x05260200, 0, 0, | |
421 | "Illegal request, parameter value invalid"}, | |
422 | {0x052C0000, 0, 0, | |
423 | "Illegal request, command sequence error"}, | |
b0df54bb BK |
424 | {0x052C8000, 1, 0, |
425 | "Illegal request, dual adapter support not enabled"}, | |
ed7bd661 | 426 | {0x052C8100, 1, 0, |
427 | "Illegal request, another cable connector was physically disabled"}, | |
428 | {0x054E8000, 1, 0, | |
429 | "Illegal request, inconsistent group id/group count"}, | |
933916f3 | 430 | {0x06040500, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 431 | "9031: Array protection temporarily suspended, protection resuming"}, |
933916f3 | 432 | {0x06040600, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 433 | "9040: Array protection temporarily suspended, protection resuming"}, |
ed7bd661 | 434 | {0x060B0100, 0, IPR_DEFAULT_LOG_LEVEL, |
435 | "4080: IOA exceeded maximum operating temperature"}, | |
436 | {0x060B8000, 0, IPR_DEFAULT_LOG_LEVEL, | |
437 | "4085: Service required"}, | |
933916f3 | 438 | {0x06288000, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 439 | "3140: Device bus not ready to ready transition"}, |
933916f3 | 440 | {0x06290000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 LT |
441 | "FFFB: SCSI bus was reset"}, |
442 | {0x06290500, 0, 0, | |
443 | "FFFE: SCSI bus transition to single ended"}, | |
444 | {0x06290600, 0, 0, | |
445 | "FFFE: SCSI bus transition to LVD"}, | |
933916f3 | 446 | {0x06298000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 447 | "FFFB: SCSI bus was reset by another initiator"}, |
933916f3 | 448 | {0x063F0300, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 449 | "3029: A device replacement has occurred"}, |
ed7bd661 | 450 | {0x063F8300, 0, IPR_DEFAULT_LOG_LEVEL, |
451 | "4102: Device bus fabric performance degradation"}, | |
933916f3 | 452 | {0x064C8000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 453 | "9051: IOA cache data exists for a missing or failed device"}, |
933916f3 | 454 | {0x064C8100, 0, IPR_DEFAULT_LOG_LEVEL, |
b0df54bb | 455 | "9055: Auxiliary cache IOA contains cache data needed by the primary IOA"}, |
933916f3 | 456 | {0x06670100, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 457 | "9025: Disk unit is not supported at its physical location"}, |
933916f3 | 458 | {0x06670600, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 459 | "3020: IOA detected a SCSI bus configuration error"}, |
933916f3 | 460 | {0x06678000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 461 | "3150: SCSI bus configuration error"}, |
933916f3 | 462 | {0x06678100, 0, IPR_DEFAULT_LOG_LEVEL, |
b0df54bb | 463 | "9074: Asymmetric advanced function disk configuration"}, |
933916f3 | 464 | {0x06678300, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 465 | "4040: Incomplete multipath connection between IOA and enclosure"}, |
933916f3 | 466 | {0x06678400, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 467 | "4041: Incomplete multipath connection between enclosure and device"}, |
933916f3 | 468 | {0x06678500, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 469 | "9075: Incomplete multipath connection between IOA and remote IOA"}, |
933916f3 | 470 | {0x06678600, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 471 | "9076: Configuration error, missing remote IOA"}, |
933916f3 | 472 | {0x06679100, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 473 | "4050: Enclosure does not support a required multipath function"}, |
ed7bd661 | 474 | {0x06679800, 0, IPR_DEFAULT_LOG_LEVEL, |
475 | "4121: Configuration error, required cable is missing"}, | |
476 | {0x06679900, 0, IPR_DEFAULT_LOG_LEVEL, | |
477 | "4122: Cable is not plugged into the correct location on remote IOA"}, | |
478 | {0x06679A00, 0, IPR_DEFAULT_LOG_LEVEL, | |
479 | "4123: Configuration error, invalid cable vital product data"}, | |
480 | {0x06679B00, 0, IPR_DEFAULT_LOG_LEVEL, | |
481 | "4124: Configuration error, both cable ends are plugged into the same IOA"}, | |
b75424fc WB |
482 | {0x06690000, 0, IPR_DEFAULT_LOG_LEVEL, |
483 | "4070: Logically bad block written on device"}, | |
933916f3 | 484 | {0x06690200, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 485 | "9041: Array protection temporarily suspended"}, |
933916f3 | 486 | {0x06698200, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 487 | "9042: Corrupt array parity detected on specified device"}, |
933916f3 | 488 | {0x066B0200, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 489 | "9030: Array no longer protected due to missing or failed disk unit"}, |
933916f3 | 490 | {0x066B8000, 0, IPR_DEFAULT_LOG_LEVEL, |
b0df54bb | 491 | "9071: Link operational transition"}, |
933916f3 | 492 | {0x066B8100, 0, IPR_DEFAULT_LOG_LEVEL, |
b0df54bb | 493 | "9072: Link not operational transition"}, |
933916f3 | 494 | {0x066B8200, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 495 | "9032: Array exposed but still protected"}, |
7b3871fd | 496 | {0x066B8300, 0, IPR_DEBUG_LOG_LEVEL, |
e435340c | 497 | "70DD: Device forced failed by disrupt device command"}, |
933916f3 | 498 | {0x066B9100, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 499 | "4061: Multipath redundancy level got better"}, |
933916f3 | 500 | {0x066B9200, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 501 | "4060: Multipath redundancy level got worse"}, |
7b3871fd | 502 | {0x06808100, 0, IPR_DEBUG_LOG_LEVEL, |
f8ee25d7 | 503 | "9083: Device raw mode enabled"}, |
7b3871fd | 504 | {0x06808200, 0, IPR_DEBUG_LOG_LEVEL, |
f8ee25d7 | 505 | "9084: Device raw mode disabled"}, |
1da177e4 LT |
506 | {0x07270000, 0, 0, |
507 | "Failure due to other device"}, | |
933916f3 | 508 | {0x07278000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 509 | "9008: IOA does not support functions expected by devices"}, |
933916f3 | 510 | {0x07278100, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 511 | "9010: Cache data associated with attached devices cannot be found"}, |
933916f3 | 512 | {0x07278200, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 513 | "9011: Cache data belongs to devices other than those attached"}, |
933916f3 | 514 | {0x07278400, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 515 | "9020: Array missing 2 or more devices with only 1 device present"}, |
933916f3 | 516 | {0x07278500, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 517 | "9021: Array missing 2 or more devices with 2 or more devices present"}, |
933916f3 | 518 | {0x07278600, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 519 | "9022: Exposed array is missing a required device"}, |
933916f3 | 520 | {0x07278700, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 521 | "9023: Array member(s) not at required physical locations"}, |
933916f3 | 522 | {0x07278800, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 523 | "9024: Array not functional due to present hardware configuration"}, |
933916f3 | 524 | {0x07278900, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 525 | "9026: Array not functional due to present hardware configuration"}, |
933916f3 | 526 | {0x07278A00, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 527 | "9027: Array is missing a device and parity is out of sync"}, |
933916f3 | 528 | {0x07278B00, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 529 | "9028: Maximum number of arrays already exist"}, |
933916f3 | 530 | {0x07278C00, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 531 | "9050: Required cache data cannot be located for a disk unit"}, |
933916f3 | 532 | {0x07278D00, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 533 | "9052: Cache data exists for a device that has been modified"}, |
933916f3 | 534 | {0x07278F00, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 535 | "9054: IOA resources not available due to previous problems"}, |
933916f3 | 536 | {0x07279100, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 537 | "9092: Disk unit requires initialization before use"}, |
933916f3 | 538 | {0x07279200, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 539 | "9029: Incorrect hardware configuration change has been detected"}, |
933916f3 | 540 | {0x07279600, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 541 | "9060: One or more disk pairs are missing from an array"}, |
933916f3 | 542 | {0x07279700, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 543 | "9061: One or more disks are missing from an array"}, |
933916f3 | 544 | {0x07279800, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 545 | "9062: One or more disks are missing from an array"}, |
933916f3 | 546 | {0x07279900, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 547 | "9063: Maximum number of functional arrays has been exceeded"}, |
ed7bd661 | 548 | {0x07279A00, 0, 0, |
549 | "Data protect, other volume set problem"}, | |
1da177e4 LT |
550 | {0x0B260000, 0, 0, |
551 | "Aborted command, invalid descriptor"}, | |
ed7bd661 | 552 | {0x0B3F9000, 0, 0, |
553 | "Target operating conditions have changed, dual adapter takeover"}, | |
554 | {0x0B530200, 0, 0, | |
555 | "Aborted command, medium removal prevented"}, | |
1da177e4 | 556 | {0x0B5A0000, 0, 0, |
ed7bd661 | 557 | "Command terminated by host"}, |
558 | {0x0B5B8000, 0, 0, | |
559 | "Aborted command, command terminated by host"} | |
1da177e4 LT |
560 | }; |
561 | ||
562 | static const struct ipr_ses_table_entry ipr_ses_table[] = { | |
563 | { "2104-DL1 ", "XXXXXXXXXXXXXXXX", 80 }, | |
564 | { "2104-TL1 ", "XXXXXXXXXXXXXXXX", 80 }, | |
565 | { "HSBP07M P U2SCSI", "XXXXXXXXXXXXXXXX", 80 }, /* Hidive 7 slot */ | |
566 | { "HSBP05M P U2SCSI", "XXXXXXXXXXXXXXXX", 80 }, /* Hidive 5 slot */ | |
567 | { "HSBP05M S U2SCSI", "XXXXXXXXXXXXXXXX", 80 }, /* Bowtie */ | |
568 | { "HSBP06E ASU2SCSI", "XXXXXXXXXXXXXXXX", 80 }, /* MartinFenning */ | |
569 | { "2104-DU3 ", "XXXXXXXXXXXXXXXX", 160 }, | |
570 | { "2104-TU3 ", "XXXXXXXXXXXXXXXX", 160 }, | |
571 | { "HSBP04C RSU2SCSI", "XXXXXXX*XXXXXXXX", 160 }, | |
572 | { "HSBP06E RSU2SCSI", "XXXXXXX*XXXXXXXX", 160 }, | |
573 | { "St V1S2 ", "XXXXXXXXXXXXXXXX", 160 }, | |
574 | { "HSBPD4M PU3SCSI", "XXXXXXX*XXXXXXXX", 160 }, | |
575 | { "VSBPD1H U3SCSI", "XXXXXXX*XXXXXXXX", 160 } | |
576 | }; | |
577 | ||
578 | /* | |
579 | * Function Prototypes | |
580 | */ | |
581 | static int ipr_reset_alert(struct ipr_cmnd *); | |
582 | static void ipr_process_ccn(struct ipr_cmnd *); | |
583 | static void ipr_process_error(struct ipr_cmnd *); | |
584 | static void ipr_reset_ioa_job(struct ipr_cmnd *); | |
585 | static void ipr_initiate_ioa_reset(struct ipr_ioa_cfg *, | |
586 | enum ipr_shutdown_type); | |
587 | ||
588 | #ifdef CONFIG_SCSI_IPR_TRACE | |
589 | /** | |
590 | * ipr_trc_hook - Add a trace entry to the driver trace | |
591 | * @ipr_cmd: ipr command struct | |
592 | * @type: trace type | |
593 | * @add_data: additional data | |
594 | * | |
595 | * Return value: | |
596 | * none | |
597 | **/ | |
598 | static void ipr_trc_hook(struct ipr_cmnd *ipr_cmd, | |
599 | u8 type, u32 add_data) | |
600 | { | |
601 | struct ipr_trace_entry *trace_entry; | |
602 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
bb7c5433 | 603 | unsigned int trace_index; |
1da177e4 | 604 | |
bb7c5433 BK |
605 | trace_index = atomic_add_return(1, &ioa_cfg->trace_index) & IPR_TRACE_INDEX_MASK; |
606 | trace_entry = &ioa_cfg->trace[trace_index]; | |
1da177e4 LT |
607 | trace_entry->time = jiffies; |
608 | trace_entry->op_code = ipr_cmd->ioarcb.cmd_pkt.cdb[0]; | |
609 | trace_entry->type = type; | |
a32c055f WB |
610 | if (ipr_cmd->ioa_cfg->sis64) |
611 | trace_entry->ata_op_code = ipr_cmd->i.ata_ioadl.regs.command; | |
612 | else | |
613 | trace_entry->ata_op_code = ipr_cmd->ioarcb.u.add_data.u.regs.command; | |
35a39691 | 614 | trace_entry->cmd_index = ipr_cmd->cmd_index & 0xff; |
1da177e4 LT |
615 | trace_entry->res_handle = ipr_cmd->ioarcb.res_handle; |
616 | trace_entry->u.add_data = add_data; | |
56d6aa33 | 617 | wmb(); |
1da177e4 LT |
618 | } |
619 | #else | |
203fa3fe | 620 | #define ipr_trc_hook(ipr_cmd, type, add_data) do { } while (0) |
1da177e4 LT |
621 | #endif |
622 | ||
172cd6e1 BK |
623 | /** |
624 | * ipr_lock_and_done - Acquire lock and complete command | |
625 | * @ipr_cmd: ipr command struct | |
626 | * | |
627 | * Return value: | |
628 | * none | |
629 | **/ | |
630 | static void ipr_lock_and_done(struct ipr_cmnd *ipr_cmd) | |
631 | { | |
632 | unsigned long lock_flags; | |
633 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
634 | ||
635 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
636 | ipr_cmd->done(ipr_cmd); | |
637 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
638 | } | |
639 | ||
1da177e4 LT |
640 | /** |
641 | * ipr_reinit_ipr_cmnd - Re-initialize an IPR Cmnd block for reuse | |
642 | * @ipr_cmd: ipr command struct | |
643 | * | |
644 | * Return value: | |
645 | * none | |
646 | **/ | |
647 | static void ipr_reinit_ipr_cmnd(struct ipr_cmnd *ipr_cmd) | |
648 | { | |
649 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
96d21f00 WB |
650 | struct ipr_ioasa *ioasa = &ipr_cmd->s.ioasa; |
651 | struct ipr_ioasa64 *ioasa64 = &ipr_cmd->s.ioasa64; | |
a32c055f | 652 | dma_addr_t dma_addr = ipr_cmd->dma_addr; |
05a6538a | 653 | int hrrq_id; |
1da177e4 | 654 | |
05a6538a | 655 | hrrq_id = ioarcb->cmd_pkt.hrrq_id; |
1da177e4 | 656 | memset(&ioarcb->cmd_pkt, 0, sizeof(struct ipr_cmd_pkt)); |
05a6538a | 657 | ioarcb->cmd_pkt.hrrq_id = hrrq_id; |
a32c055f | 658 | ioarcb->data_transfer_length = 0; |
1da177e4 | 659 | ioarcb->read_data_transfer_length = 0; |
a32c055f | 660 | ioarcb->ioadl_len = 0; |
1da177e4 | 661 | ioarcb->read_ioadl_len = 0; |
a32c055f | 662 | |
96d21f00 | 663 | if (ipr_cmd->ioa_cfg->sis64) { |
a32c055f WB |
664 | ioarcb->u.sis64_addr_data.data_ioadl_addr = |
665 | cpu_to_be64(dma_addr + offsetof(struct ipr_cmnd, i.ioadl64)); | |
96d21f00 WB |
666 | ioasa64->u.gata.status = 0; |
667 | } else { | |
a32c055f WB |
668 | ioarcb->write_ioadl_addr = |
669 | cpu_to_be32(dma_addr + offsetof(struct ipr_cmnd, i.ioadl)); | |
670 | ioarcb->read_ioadl_addr = ioarcb->write_ioadl_addr; | |
96d21f00 | 671 | ioasa->u.gata.status = 0; |
a32c055f WB |
672 | } |
673 | ||
96d21f00 WB |
674 | ioasa->hdr.ioasc = 0; |
675 | ioasa->hdr.residual_data_len = 0; | |
1da177e4 | 676 | ipr_cmd->scsi_cmd = NULL; |
35a39691 | 677 | ipr_cmd->qc = NULL; |
1da177e4 LT |
678 | ipr_cmd->sense_buffer[0] = 0; |
679 | ipr_cmd->dma_use_sg = 0; | |
680 | } | |
681 | ||
682 | /** | |
683 | * ipr_init_ipr_cmnd - Initialize an IPR Cmnd block | |
684 | * @ipr_cmd: ipr command struct | |
685 | * | |
686 | * Return value: | |
687 | * none | |
688 | **/ | |
172cd6e1 BK |
689 | static void ipr_init_ipr_cmnd(struct ipr_cmnd *ipr_cmd, |
690 | void (*fast_done) (struct ipr_cmnd *)) | |
1da177e4 LT |
691 | { |
692 | ipr_reinit_ipr_cmnd(ipr_cmd); | |
693 | ipr_cmd->u.scratch = 0; | |
694 | ipr_cmd->sibling = NULL; | |
6cdb0817 | 695 | ipr_cmd->eh_comp = NULL; |
172cd6e1 | 696 | ipr_cmd->fast_done = fast_done; |
738c6ec5 | 697 | timer_setup(&ipr_cmd->timer, NULL, 0); |
1da177e4 LT |
698 | } |
699 | ||
700 | /** | |
00bfef2c | 701 | * __ipr_get_free_ipr_cmnd - Get a free IPR Cmnd block |
1da177e4 LT |
702 | * @ioa_cfg: ioa config struct |
703 | * | |
704 | * Return value: | |
705 | * pointer to ipr command struct | |
706 | **/ | |
707 | static | |
05a6538a | 708 | struct ipr_cmnd *__ipr_get_free_ipr_cmnd(struct ipr_hrr_queue *hrrq) |
1da177e4 | 709 | { |
05a6538a | 710 | struct ipr_cmnd *ipr_cmd = NULL; |
711 | ||
712 | if (likely(!list_empty(&hrrq->hrrq_free_q))) { | |
713 | ipr_cmd = list_entry(hrrq->hrrq_free_q.next, | |
714 | struct ipr_cmnd, queue); | |
715 | list_del(&ipr_cmd->queue); | |
716 | } | |
1da177e4 | 717 | |
1da177e4 LT |
718 | |
719 | return ipr_cmd; | |
720 | } | |
721 | ||
00bfef2c BK |
722 | /** |
723 | * ipr_get_free_ipr_cmnd - Get a free IPR Cmnd block and initialize it | |
724 | * @ioa_cfg: ioa config struct | |
725 | * | |
726 | * Return value: | |
727 | * pointer to ipr command struct | |
728 | **/ | |
729 | static | |
730 | struct ipr_cmnd *ipr_get_free_ipr_cmnd(struct ipr_ioa_cfg *ioa_cfg) | |
731 | { | |
05a6538a | 732 | struct ipr_cmnd *ipr_cmd = |
733 | __ipr_get_free_ipr_cmnd(&ioa_cfg->hrrq[IPR_INIT_HRRQ]); | |
172cd6e1 | 734 | ipr_init_ipr_cmnd(ipr_cmd, ipr_lock_and_done); |
00bfef2c BK |
735 | return ipr_cmd; |
736 | } | |
737 | ||
1da177e4 LT |
738 | /** |
739 | * ipr_mask_and_clear_interrupts - Mask all and clear specified interrupts | |
740 | * @ioa_cfg: ioa config struct | |
741 | * @clr_ints: interrupts to clear | |
742 | * | |
743 | * This function masks all interrupts on the adapter, then clears the | |
744 | * interrupts specified in the mask | |
745 | * | |
746 | * Return value: | |
747 | * none | |
748 | **/ | |
749 | static void ipr_mask_and_clear_interrupts(struct ipr_ioa_cfg *ioa_cfg, | |
750 | u32 clr_ints) | |
751 | { | |
752 | volatile u32 int_reg; | |
56d6aa33 | 753 | int i; |
1da177e4 LT |
754 | |
755 | /* Stop new interrupts */ | |
56d6aa33 | 756 | for (i = 0; i < ioa_cfg->hrrq_num; i++) { |
757 | spin_lock(&ioa_cfg->hrrq[i]._lock); | |
758 | ioa_cfg->hrrq[i].allow_interrupts = 0; | |
759 | spin_unlock(&ioa_cfg->hrrq[i]._lock); | |
760 | } | |
761 | wmb(); | |
1da177e4 LT |
762 | |
763 | /* Set interrupt mask to stop all new interrupts */ | |
214777ba WB |
764 | if (ioa_cfg->sis64) |
765 | writeq(~0, ioa_cfg->regs.set_interrupt_mask_reg); | |
766 | else | |
767 | writel(~0, ioa_cfg->regs.set_interrupt_mask_reg); | |
1da177e4 LT |
768 | |
769 | /* Clear any pending interrupts */ | |
214777ba WB |
770 | if (ioa_cfg->sis64) |
771 | writel(~0, ioa_cfg->regs.clr_interrupt_reg); | |
772 | writel(clr_ints, ioa_cfg->regs.clr_interrupt_reg32); | |
1da177e4 LT |
773 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg); |
774 | } | |
775 | ||
776 | /** | |
777 | * ipr_save_pcix_cmd_reg - Save PCI-X command register | |
778 | * @ioa_cfg: ioa config struct | |
779 | * | |
780 | * Return value: | |
781 | * 0 on success / -EIO on failure | |
782 | **/ | |
783 | static int ipr_save_pcix_cmd_reg(struct ipr_ioa_cfg *ioa_cfg) | |
784 | { | |
785 | int pcix_cmd_reg = pci_find_capability(ioa_cfg->pdev, PCI_CAP_ID_PCIX); | |
786 | ||
7dce0e1c BK |
787 | if (pcix_cmd_reg == 0) |
788 | return 0; | |
1da177e4 LT |
789 | |
790 | if (pci_read_config_word(ioa_cfg->pdev, pcix_cmd_reg + PCI_X_CMD, | |
791 | &ioa_cfg->saved_pcix_cmd_reg) != PCIBIOS_SUCCESSFUL) { | |
792 | dev_err(&ioa_cfg->pdev->dev, "Failed to save PCI-X command register\n"); | |
793 | return -EIO; | |
794 | } | |
795 | ||
796 | ioa_cfg->saved_pcix_cmd_reg |= PCI_X_CMD_DPERR_E | PCI_X_CMD_ERO; | |
797 | return 0; | |
798 | } | |
799 | ||
800 | /** | |
801 | * ipr_set_pcix_cmd_reg - Setup PCI-X command register | |
802 | * @ioa_cfg: ioa config struct | |
803 | * | |
804 | * Return value: | |
805 | * 0 on success / -EIO on failure | |
806 | **/ | |
807 | static int ipr_set_pcix_cmd_reg(struct ipr_ioa_cfg *ioa_cfg) | |
808 | { | |
809 | int pcix_cmd_reg = pci_find_capability(ioa_cfg->pdev, PCI_CAP_ID_PCIX); | |
810 | ||
811 | if (pcix_cmd_reg) { | |
812 | if (pci_write_config_word(ioa_cfg->pdev, pcix_cmd_reg + PCI_X_CMD, | |
813 | ioa_cfg->saved_pcix_cmd_reg) != PCIBIOS_SUCCESSFUL) { | |
814 | dev_err(&ioa_cfg->pdev->dev, "Failed to setup PCI-X command register\n"); | |
815 | return -EIO; | |
816 | } | |
1da177e4 LT |
817 | } |
818 | ||
819 | return 0; | |
820 | } | |
821 | ||
35a39691 | 822 | /** |
f646f325 | 823 | * __ipr_sata_eh_done - done function for aborted SATA commands |
35a39691 BK |
824 | * @ipr_cmd: ipr command struct |
825 | * | |
826 | * This function is invoked for ops generated to SATA | |
827 | * devices which are being aborted. | |
828 | * | |
829 | * Return value: | |
830 | * none | |
831 | **/ | |
f646f325 | 832 | static void __ipr_sata_eh_done(struct ipr_cmnd *ipr_cmd) |
35a39691 | 833 | { |
35a39691 BK |
834 | struct ata_queued_cmd *qc = ipr_cmd->qc; |
835 | struct ipr_sata_port *sata_port = qc->ap->private_data; | |
836 | ||
837 | qc->err_mask |= AC_ERR_OTHER; | |
838 | sata_port->ioasa.status |= ATA_BUSY; | |
35a39691 | 839 | ata_qc_complete(qc); |
66a0d59c BK |
840 | if (ipr_cmd->eh_comp) |
841 | complete(ipr_cmd->eh_comp); | |
842 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); | |
35a39691 BK |
843 | } |
844 | ||
1da177e4 | 845 | /** |
f646f325 BK |
846 | * ipr_sata_eh_done - done function for aborted SATA commands |
847 | * @ipr_cmd: ipr command struct | |
848 | * | |
849 | * This function is invoked for ops generated to SATA | |
850 | * devices which are being aborted. | |
851 | * | |
852 | * Return value: | |
853 | * none | |
854 | **/ | |
855 | static void ipr_sata_eh_done(struct ipr_cmnd *ipr_cmd) | |
856 | { | |
857 | struct ipr_hrr_queue *hrrq = ipr_cmd->hrrq; | |
858 | unsigned long hrrq_flags; | |
859 | ||
860 | spin_lock_irqsave(&hrrq->_lock, hrrq_flags); | |
861 | __ipr_sata_eh_done(ipr_cmd); | |
862 | spin_unlock_irqrestore(&hrrq->_lock, hrrq_flags); | |
863 | } | |
864 | ||
865 | /** | |
866 | * __ipr_scsi_eh_done - mid-layer done function for aborted ops | |
1da177e4 LT |
867 | * @ipr_cmd: ipr command struct |
868 | * | |
869 | * This function is invoked by the interrupt handler for | |
870 | * ops generated by the SCSI mid-layer which are being aborted. | |
871 | * | |
872 | * Return value: | |
873 | * none | |
874 | **/ | |
f646f325 | 875 | static void __ipr_scsi_eh_done(struct ipr_cmnd *ipr_cmd) |
1da177e4 | 876 | { |
1da177e4 LT |
877 | struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd; |
878 | ||
879 | scsi_cmd->result |= (DID_ERROR << 16); | |
880 | ||
63015bc9 | 881 | scsi_dma_unmap(ipr_cmd->scsi_cmd); |
1da177e4 | 882 | scsi_cmd->scsi_done(scsi_cmd); |
6cdb0817 BK |
883 | if (ipr_cmd->eh_comp) |
884 | complete(ipr_cmd->eh_comp); | |
05a6538a | 885 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
1da177e4 LT |
886 | } |
887 | ||
f646f325 BK |
888 | /** |
889 | * ipr_scsi_eh_done - mid-layer done function for aborted ops | |
890 | * @ipr_cmd: ipr command struct | |
891 | * | |
892 | * This function is invoked by the interrupt handler for | |
893 | * ops generated by the SCSI mid-layer which are being aborted. | |
894 | * | |
895 | * Return value: | |
896 | * none | |
897 | **/ | |
898 | static void ipr_scsi_eh_done(struct ipr_cmnd *ipr_cmd) | |
899 | { | |
900 | unsigned long hrrq_flags; | |
901 | struct ipr_hrr_queue *hrrq = ipr_cmd->hrrq; | |
902 | ||
903 | spin_lock_irqsave(&hrrq->_lock, hrrq_flags); | |
904 | __ipr_scsi_eh_done(ipr_cmd); | |
905 | spin_unlock_irqrestore(&hrrq->_lock, hrrq_flags); | |
906 | } | |
907 | ||
1da177e4 LT |
908 | /** |
909 | * ipr_fail_all_ops - Fails all outstanding ops. | |
910 | * @ioa_cfg: ioa config struct | |
911 | * | |
912 | * This function fails all outstanding ops. | |
913 | * | |
914 | * Return value: | |
915 | * none | |
916 | **/ | |
917 | static void ipr_fail_all_ops(struct ipr_ioa_cfg *ioa_cfg) | |
918 | { | |
919 | struct ipr_cmnd *ipr_cmd, *temp; | |
05a6538a | 920 | struct ipr_hrr_queue *hrrq; |
1da177e4 LT |
921 | |
922 | ENTER; | |
05a6538a | 923 | for_each_hrrq(hrrq, ioa_cfg) { |
56d6aa33 | 924 | spin_lock(&hrrq->_lock); |
05a6538a | 925 | list_for_each_entry_safe(ipr_cmd, |
926 | temp, &hrrq->hrrq_pending_q, queue) { | |
927 | list_del(&ipr_cmd->queue); | |
1da177e4 | 928 | |
05a6538a | 929 | ipr_cmd->s.ioasa.hdr.ioasc = |
930 | cpu_to_be32(IPR_IOASC_IOA_WAS_RESET); | |
931 | ipr_cmd->s.ioasa.hdr.ilid = | |
932 | cpu_to_be32(IPR_DRIVER_ILID); | |
1da177e4 | 933 | |
05a6538a | 934 | if (ipr_cmd->scsi_cmd) |
f646f325 | 935 | ipr_cmd->done = __ipr_scsi_eh_done; |
05a6538a | 936 | else if (ipr_cmd->qc) |
f646f325 | 937 | ipr_cmd->done = __ipr_sata_eh_done; |
1da177e4 | 938 | |
05a6538a | 939 | ipr_trc_hook(ipr_cmd, IPR_TRACE_FINISH, |
940 | IPR_IOASC_IOA_WAS_RESET); | |
941 | del_timer(&ipr_cmd->timer); | |
942 | ipr_cmd->done(ipr_cmd); | |
943 | } | |
56d6aa33 | 944 | spin_unlock(&hrrq->_lock); |
1da177e4 | 945 | } |
1da177e4 LT |
946 | LEAVE; |
947 | } | |
948 | ||
a32c055f WB |
949 | /** |
950 | * ipr_send_command - Send driver initiated requests. | |
951 | * @ipr_cmd: ipr command struct | |
952 | * | |
953 | * This function sends a command to the adapter using the correct write call. | |
954 | * In the case of sis64, calculate the ioarcb size required. Then or in the | |
955 | * appropriate bits. | |
956 | * | |
957 | * Return value: | |
958 | * none | |
959 | **/ | |
960 | static void ipr_send_command(struct ipr_cmnd *ipr_cmd) | |
961 | { | |
962 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
963 | dma_addr_t send_dma_addr = ipr_cmd->dma_addr; | |
964 | ||
965 | if (ioa_cfg->sis64) { | |
966 | /* The default size is 256 bytes */ | |
967 | send_dma_addr |= 0x1; | |
968 | ||
969 | /* If the number of ioadls * size of ioadl > 128 bytes, | |
970 | then use a 512 byte ioarcb */ | |
971 | if (ipr_cmd->dma_use_sg * sizeof(struct ipr_ioadl64_desc) > 128 ) | |
972 | send_dma_addr |= 0x4; | |
973 | writeq(send_dma_addr, ioa_cfg->regs.ioarrin_reg); | |
974 | } else | |
975 | writel(send_dma_addr, ioa_cfg->regs.ioarrin_reg); | |
976 | } | |
977 | ||
1da177e4 LT |
978 | /** |
979 | * ipr_do_req - Send driver initiated requests. | |
980 | * @ipr_cmd: ipr command struct | |
981 | * @done: done function | |
982 | * @timeout_func: timeout function | |
983 | * @timeout: timeout value | |
984 | * | |
985 | * This function sends the specified command to the adapter with the | |
986 | * timeout given. The done function is invoked on command completion. | |
987 | * | |
988 | * Return value: | |
989 | * none | |
990 | **/ | |
991 | static void ipr_do_req(struct ipr_cmnd *ipr_cmd, | |
992 | void (*done) (struct ipr_cmnd *), | |
738c6ec5 | 993 | void (*timeout_func) (struct timer_list *), u32 timeout) |
1da177e4 | 994 | { |
05a6538a | 995 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_pending_q); |
1da177e4 LT |
996 | |
997 | ipr_cmd->done = done; | |
998 | ||
1da177e4 | 999 | ipr_cmd->timer.expires = jiffies + timeout; |
841b86f3 | 1000 | ipr_cmd->timer.function = timeout_func; |
1da177e4 LT |
1001 | |
1002 | add_timer(&ipr_cmd->timer); | |
1003 | ||
1004 | ipr_trc_hook(ipr_cmd, IPR_TRACE_START, 0); | |
1005 | ||
a32c055f | 1006 | ipr_send_command(ipr_cmd); |
1da177e4 LT |
1007 | } |
1008 | ||
1009 | /** | |
1010 | * ipr_internal_cmd_done - Op done function for an internally generated op. | |
1011 | * @ipr_cmd: ipr command struct | |
1012 | * | |
1013 | * This function is the op done function for an internally generated, | |
1014 | * blocking op. It simply wakes the sleeping thread. | |
1015 | * | |
1016 | * Return value: | |
1017 | * none | |
1018 | **/ | |
1019 | static void ipr_internal_cmd_done(struct ipr_cmnd *ipr_cmd) | |
1020 | { | |
1021 | if (ipr_cmd->sibling) | |
1022 | ipr_cmd->sibling = NULL; | |
1023 | else | |
1024 | complete(&ipr_cmd->completion); | |
1025 | } | |
1026 | ||
a32c055f WB |
1027 | /** |
1028 | * ipr_init_ioadl - initialize the ioadl for the correct SIS type | |
1029 | * @ipr_cmd: ipr command struct | |
1030 | * @dma_addr: dma address | |
1031 | * @len: transfer length | |
1032 | * @flags: ioadl flag value | |
1033 | * | |
1034 | * This function initializes an ioadl in the case where there is only a single | |
1035 | * descriptor. | |
1036 | * | |
1037 | * Return value: | |
1038 | * nothing | |
1039 | **/ | |
1040 | static void ipr_init_ioadl(struct ipr_cmnd *ipr_cmd, dma_addr_t dma_addr, | |
1041 | u32 len, int flags) | |
1042 | { | |
1043 | struct ipr_ioadl_desc *ioadl = ipr_cmd->i.ioadl; | |
1044 | struct ipr_ioadl64_desc *ioadl64 = ipr_cmd->i.ioadl64; | |
1045 | ||
1046 | ipr_cmd->dma_use_sg = 1; | |
1047 | ||
1048 | if (ipr_cmd->ioa_cfg->sis64) { | |
1049 | ioadl64->flags = cpu_to_be32(flags); | |
1050 | ioadl64->data_len = cpu_to_be32(len); | |
1051 | ioadl64->address = cpu_to_be64(dma_addr); | |
1052 | ||
1053 | ipr_cmd->ioarcb.ioadl_len = | |
1054 | cpu_to_be32(sizeof(struct ipr_ioadl64_desc)); | |
1055 | ipr_cmd->ioarcb.data_transfer_length = cpu_to_be32(len); | |
1056 | } else { | |
1057 | ioadl->flags_and_data_len = cpu_to_be32(flags | len); | |
1058 | ioadl->address = cpu_to_be32(dma_addr); | |
1059 | ||
1060 | if (flags == IPR_IOADL_FLAGS_READ_LAST) { | |
1061 | ipr_cmd->ioarcb.read_ioadl_len = | |
1062 | cpu_to_be32(sizeof(struct ipr_ioadl_desc)); | |
1063 | ipr_cmd->ioarcb.read_data_transfer_length = cpu_to_be32(len); | |
1064 | } else { | |
1065 | ipr_cmd->ioarcb.ioadl_len = | |
1066 | cpu_to_be32(sizeof(struct ipr_ioadl_desc)); | |
1067 | ipr_cmd->ioarcb.data_transfer_length = cpu_to_be32(len); | |
1068 | } | |
1069 | } | |
1070 | } | |
1071 | ||
1da177e4 LT |
1072 | /** |
1073 | * ipr_send_blocking_cmd - Send command and sleep on its completion. | |
1074 | * @ipr_cmd: ipr command struct | |
1075 | * @timeout_func: function to invoke if command times out | |
1076 | * @timeout: timeout | |
1077 | * | |
1078 | * Return value: | |
1079 | * none | |
1080 | **/ | |
1081 | static void ipr_send_blocking_cmd(struct ipr_cmnd *ipr_cmd, | |
738c6ec5 | 1082 | void (*timeout_func) (struct timer_list *), |
1da177e4 LT |
1083 | u32 timeout) |
1084 | { | |
1085 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
1086 | ||
1087 | init_completion(&ipr_cmd->completion); | |
1088 | ipr_do_req(ipr_cmd, ipr_internal_cmd_done, timeout_func, timeout); | |
1089 | ||
1090 | spin_unlock_irq(ioa_cfg->host->host_lock); | |
1091 | wait_for_completion(&ipr_cmd->completion); | |
1092 | spin_lock_irq(ioa_cfg->host->host_lock); | |
1093 | } | |
1094 | ||
05a6538a | 1095 | static int ipr_get_hrrq_index(struct ipr_ioa_cfg *ioa_cfg) |
1096 | { | |
3f1c0581 BK |
1097 | unsigned int hrrq; |
1098 | ||
05a6538a | 1099 | if (ioa_cfg->hrrq_num == 1) |
3f1c0581 BK |
1100 | hrrq = 0; |
1101 | else { | |
1102 | hrrq = atomic_add_return(1, &ioa_cfg->hrrq_index); | |
1103 | hrrq = (hrrq % (ioa_cfg->hrrq_num - 1)) + 1; | |
1104 | } | |
1105 | return hrrq; | |
05a6538a | 1106 | } |
1107 | ||
1da177e4 LT |
1108 | /** |
1109 | * ipr_send_hcam - Send an HCAM to the adapter. | |
1110 | * @ioa_cfg: ioa config struct | |
1111 | * @type: HCAM type | |
1112 | * @hostrcb: hostrcb struct | |
1113 | * | |
1114 | * This function will send a Host Controlled Async command to the adapter. | |
1115 | * If HCAMs are currently not allowed to be issued to the adapter, it will | |
1116 | * place the hostrcb on the free queue. | |
1117 | * | |
1118 | * Return value: | |
1119 | * none | |
1120 | **/ | |
1121 | static void ipr_send_hcam(struct ipr_ioa_cfg *ioa_cfg, u8 type, | |
1122 | struct ipr_hostrcb *hostrcb) | |
1123 | { | |
1124 | struct ipr_cmnd *ipr_cmd; | |
1125 | struct ipr_ioarcb *ioarcb; | |
1126 | ||
56d6aa33 | 1127 | if (ioa_cfg->hrrq[IPR_INIT_HRRQ].allow_cmds) { |
1da177e4 | 1128 | ipr_cmd = ipr_get_free_ipr_cmnd(ioa_cfg); |
05a6538a | 1129 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_pending_q); |
1da177e4 LT |
1130 | list_add_tail(&hostrcb->queue, &ioa_cfg->hostrcb_pending_q); |
1131 | ||
1132 | ipr_cmd->u.hostrcb = hostrcb; | |
1133 | ioarcb = &ipr_cmd->ioarcb; | |
1134 | ||
1135 | ioarcb->res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE); | |
1136 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_HCAM; | |
1137 | ioarcb->cmd_pkt.cdb[0] = IPR_HOST_CONTROLLED_ASYNC; | |
1138 | ioarcb->cmd_pkt.cdb[1] = type; | |
1139 | ioarcb->cmd_pkt.cdb[7] = (sizeof(hostrcb->hcam) >> 8) & 0xff; | |
1140 | ioarcb->cmd_pkt.cdb[8] = sizeof(hostrcb->hcam) & 0xff; | |
1141 | ||
a32c055f WB |
1142 | ipr_init_ioadl(ipr_cmd, hostrcb->hostrcb_dma, |
1143 | sizeof(hostrcb->hcam), IPR_IOADL_FLAGS_READ_LAST); | |
1da177e4 LT |
1144 | |
1145 | if (type == IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE) | |
1146 | ipr_cmd->done = ipr_process_ccn; | |
1147 | else | |
1148 | ipr_cmd->done = ipr_process_error; | |
1149 | ||
1150 | ipr_trc_hook(ipr_cmd, IPR_TRACE_START, IPR_IOA_RES_ADDR); | |
1151 | ||
a32c055f | 1152 | ipr_send_command(ipr_cmd); |
1da177e4 LT |
1153 | } else { |
1154 | list_add_tail(&hostrcb->queue, &ioa_cfg->hostrcb_free_q); | |
1155 | } | |
1156 | } | |
1157 | ||
3e7ebdfa WB |
1158 | /** |
1159 | * ipr_update_ata_class - Update the ata class in the resource entry | |
1160 | * @res: resource entry struct | |
1161 | * @proto: cfgte device bus protocol value | |
1162 | * | |
1163 | * Return value: | |
1164 | * none | |
1165 | **/ | |
1166 | static void ipr_update_ata_class(struct ipr_resource_entry *res, unsigned int proto) | |
1167 | { | |
203fa3fe | 1168 | switch (proto) { |
3e7ebdfa WB |
1169 | case IPR_PROTO_SATA: |
1170 | case IPR_PROTO_SAS_STP: | |
1171 | res->ata_class = ATA_DEV_ATA; | |
1172 | break; | |
1173 | case IPR_PROTO_SATA_ATAPI: | |
1174 | case IPR_PROTO_SAS_STP_ATAPI: | |
1175 | res->ata_class = ATA_DEV_ATAPI; | |
1176 | break; | |
1177 | default: | |
1178 | res->ata_class = ATA_DEV_UNKNOWN; | |
1179 | break; | |
1180 | }; | |
1181 | } | |
1182 | ||
1da177e4 LT |
1183 | /** |
1184 | * ipr_init_res_entry - Initialize a resource entry struct. | |
1185 | * @res: resource entry struct | |
3e7ebdfa | 1186 | * @cfgtew: config table entry wrapper struct |
1da177e4 LT |
1187 | * |
1188 | * Return value: | |
1189 | * none | |
1190 | **/ | |
3e7ebdfa WB |
1191 | static void ipr_init_res_entry(struct ipr_resource_entry *res, |
1192 | struct ipr_config_table_entry_wrapper *cfgtew) | |
1da177e4 | 1193 | { |
3e7ebdfa WB |
1194 | int found = 0; |
1195 | unsigned int proto; | |
1196 | struct ipr_ioa_cfg *ioa_cfg = res->ioa_cfg; | |
1197 | struct ipr_resource_entry *gscsi_res = NULL; | |
1198 | ||
ee0a90fa | 1199 | res->needs_sync_complete = 0; |
1da177e4 LT |
1200 | res->in_erp = 0; |
1201 | res->add_to_ml = 0; | |
1202 | res->del_from_ml = 0; | |
1203 | res->resetting_device = 0; | |
0b1f8d44 | 1204 | res->reset_occurred = 0; |
1da177e4 | 1205 | res->sdev = NULL; |
35a39691 | 1206 | res->sata_port = NULL; |
3e7ebdfa WB |
1207 | |
1208 | if (ioa_cfg->sis64) { | |
1209 | proto = cfgtew->u.cfgte64->proto; | |
359d96e7 BK |
1210 | res->flags = be16_to_cpu(cfgtew->u.cfgte64->flags); |
1211 | res->res_flags = be16_to_cpu(cfgtew->u.cfgte64->res_flags); | |
3e7ebdfa | 1212 | res->qmodel = IPR_QUEUEING_MODEL64(res); |
438b0331 | 1213 | res->type = cfgtew->u.cfgte64->res_type; |
3e7ebdfa WB |
1214 | |
1215 | memcpy(res->res_path, &cfgtew->u.cfgte64->res_path, | |
1216 | sizeof(res->res_path)); | |
1217 | ||
1218 | res->bus = 0; | |
0cb992ed WB |
1219 | memcpy(&res->dev_lun.scsi_lun, &cfgtew->u.cfgte64->lun, |
1220 | sizeof(res->dev_lun.scsi_lun)); | |
3e7ebdfa WB |
1221 | res->lun = scsilun_to_int(&res->dev_lun); |
1222 | ||
1223 | if (res->type == IPR_RES_TYPE_GENERIC_SCSI) { | |
1224 | list_for_each_entry(gscsi_res, &ioa_cfg->used_res_q, queue) { | |
1225 | if (gscsi_res->dev_id == cfgtew->u.cfgte64->dev_id) { | |
1226 | found = 1; | |
1227 | res->target = gscsi_res->target; | |
1228 | break; | |
1229 | } | |
1230 | } | |
1231 | if (!found) { | |
1232 | res->target = find_first_zero_bit(ioa_cfg->target_ids, | |
1233 | ioa_cfg->max_devs_supported); | |
1234 | set_bit(res->target, ioa_cfg->target_ids); | |
1235 | } | |
3e7ebdfa WB |
1236 | } else if (res->type == IPR_RES_TYPE_IOAFP) { |
1237 | res->bus = IPR_IOAFP_VIRTUAL_BUS; | |
1238 | res->target = 0; | |
1239 | } else if (res->type == IPR_RES_TYPE_ARRAY) { | |
1240 | res->bus = IPR_ARRAY_VIRTUAL_BUS; | |
1241 | res->target = find_first_zero_bit(ioa_cfg->array_ids, | |
1242 | ioa_cfg->max_devs_supported); | |
1243 | set_bit(res->target, ioa_cfg->array_ids); | |
1244 | } else if (res->type == IPR_RES_TYPE_VOLUME_SET) { | |
1245 | res->bus = IPR_VSET_VIRTUAL_BUS; | |
1246 | res->target = find_first_zero_bit(ioa_cfg->vset_ids, | |
1247 | ioa_cfg->max_devs_supported); | |
1248 | set_bit(res->target, ioa_cfg->vset_ids); | |
1249 | } else { | |
1250 | res->target = find_first_zero_bit(ioa_cfg->target_ids, | |
1251 | ioa_cfg->max_devs_supported); | |
1252 | set_bit(res->target, ioa_cfg->target_ids); | |
1253 | } | |
1254 | } else { | |
1255 | proto = cfgtew->u.cfgte->proto; | |
1256 | res->qmodel = IPR_QUEUEING_MODEL(res); | |
1257 | res->flags = cfgtew->u.cfgte->flags; | |
1258 | if (res->flags & IPR_IS_IOA_RESOURCE) | |
1259 | res->type = IPR_RES_TYPE_IOAFP; | |
1260 | else | |
1261 | res->type = cfgtew->u.cfgte->rsvd_subtype & 0x0f; | |
1262 | ||
1263 | res->bus = cfgtew->u.cfgte->res_addr.bus; | |
1264 | res->target = cfgtew->u.cfgte->res_addr.target; | |
1265 | res->lun = cfgtew->u.cfgte->res_addr.lun; | |
46d74563 | 1266 | res->lun_wwn = get_unaligned_be64(cfgtew->u.cfgte->lun_wwn); |
3e7ebdfa WB |
1267 | } |
1268 | ||
1269 | ipr_update_ata_class(res, proto); | |
1270 | } | |
1271 | ||
1272 | /** | |
1273 | * ipr_is_same_device - Determine if two devices are the same. | |
1274 | * @res: resource entry struct | |
1275 | * @cfgtew: config table entry wrapper struct | |
1276 | * | |
1277 | * Return value: | |
1278 | * 1 if the devices are the same / 0 otherwise | |
1279 | **/ | |
1280 | static int ipr_is_same_device(struct ipr_resource_entry *res, | |
1281 | struct ipr_config_table_entry_wrapper *cfgtew) | |
1282 | { | |
1283 | if (res->ioa_cfg->sis64) { | |
1284 | if (!memcmp(&res->dev_id, &cfgtew->u.cfgte64->dev_id, | |
1285 | sizeof(cfgtew->u.cfgte64->dev_id)) && | |
0cb992ed | 1286 | !memcmp(&res->dev_lun.scsi_lun, &cfgtew->u.cfgte64->lun, |
3e7ebdfa WB |
1287 | sizeof(cfgtew->u.cfgte64->lun))) { |
1288 | return 1; | |
1289 | } | |
1290 | } else { | |
1291 | if (res->bus == cfgtew->u.cfgte->res_addr.bus && | |
1292 | res->target == cfgtew->u.cfgte->res_addr.target && | |
1293 | res->lun == cfgtew->u.cfgte->res_addr.lun) | |
1294 | return 1; | |
1295 | } | |
1296 | ||
1297 | return 0; | |
1298 | } | |
1299 | ||
1300 | /** | |
b3b3b407 | 1301 | * __ipr_format_res_path - Format the resource path for printing. |
3e7ebdfa WB |
1302 | * @res_path: resource path |
1303 | * @buf: buffer | |
b3b3b407 | 1304 | * @len: length of buffer provided |
3e7ebdfa WB |
1305 | * |
1306 | * Return value: | |
1307 | * pointer to buffer | |
1308 | **/ | |
b3b3b407 | 1309 | static char *__ipr_format_res_path(u8 *res_path, char *buffer, int len) |
3e7ebdfa WB |
1310 | { |
1311 | int i; | |
5adcbeb3 | 1312 | char *p = buffer; |
3e7ebdfa | 1313 | |
46d74563 | 1314 | *p = '\0'; |
5adcbeb3 WB |
1315 | p += snprintf(p, buffer + len - p, "%02X", res_path[0]); |
1316 | for (i = 1; res_path[i] != 0xff && ((i * 3) < len); i++) | |
1317 | p += snprintf(p, buffer + len - p, "-%02X", res_path[i]); | |
3e7ebdfa WB |
1318 | |
1319 | return buffer; | |
1320 | } | |
1321 | ||
b3b3b407 BK |
1322 | /** |
1323 | * ipr_format_res_path - Format the resource path for printing. | |
1324 | * @ioa_cfg: ioa config struct | |
1325 | * @res_path: resource path | |
1326 | * @buf: buffer | |
1327 | * @len: length of buffer provided | |
1328 | * | |
1329 | * Return value: | |
1330 | * pointer to buffer | |
1331 | **/ | |
1332 | static char *ipr_format_res_path(struct ipr_ioa_cfg *ioa_cfg, | |
1333 | u8 *res_path, char *buffer, int len) | |
1334 | { | |
1335 | char *p = buffer; | |
1336 | ||
1337 | *p = '\0'; | |
1338 | p += snprintf(p, buffer + len - p, "%d/", ioa_cfg->host->host_no); | |
1339 | __ipr_format_res_path(res_path, p, len - (buffer - p)); | |
1340 | return buffer; | |
1341 | } | |
1342 | ||
3e7ebdfa WB |
1343 | /** |
1344 | * ipr_update_res_entry - Update the resource entry. | |
1345 | * @res: resource entry struct | |
1346 | * @cfgtew: config table entry wrapper struct | |
1347 | * | |
1348 | * Return value: | |
1349 | * none | |
1350 | **/ | |
1351 | static void ipr_update_res_entry(struct ipr_resource_entry *res, | |
1352 | struct ipr_config_table_entry_wrapper *cfgtew) | |
1353 | { | |
1354 | char buffer[IPR_MAX_RES_PATH_LENGTH]; | |
1355 | unsigned int proto; | |
1356 | int new_path = 0; | |
1357 | ||
1358 | if (res->ioa_cfg->sis64) { | |
359d96e7 BK |
1359 | res->flags = be16_to_cpu(cfgtew->u.cfgte64->flags); |
1360 | res->res_flags = be16_to_cpu(cfgtew->u.cfgte64->res_flags); | |
75576bb9 | 1361 | res->type = cfgtew->u.cfgte64->res_type; |
3e7ebdfa WB |
1362 | |
1363 | memcpy(&res->std_inq_data, &cfgtew->u.cfgte64->std_inq_data, | |
1364 | sizeof(struct ipr_std_inq_data)); | |
1365 | ||
1366 | res->qmodel = IPR_QUEUEING_MODEL64(res); | |
1367 | proto = cfgtew->u.cfgte64->proto; | |
1368 | res->res_handle = cfgtew->u.cfgte64->res_handle; | |
1369 | res->dev_id = cfgtew->u.cfgte64->dev_id; | |
1370 | ||
1371 | memcpy(&res->dev_lun.scsi_lun, &cfgtew->u.cfgte64->lun, | |
1372 | sizeof(res->dev_lun.scsi_lun)); | |
1373 | ||
1374 | if (memcmp(res->res_path, &cfgtew->u.cfgte64->res_path, | |
1375 | sizeof(res->res_path))) { | |
1376 | memcpy(res->res_path, &cfgtew->u.cfgte64->res_path, | |
1377 | sizeof(res->res_path)); | |
1378 | new_path = 1; | |
1379 | } | |
1380 | ||
1381 | if (res->sdev && new_path) | |
1382 | sdev_printk(KERN_INFO, res->sdev, "Resource path: %s\n", | |
b3b3b407 BK |
1383 | ipr_format_res_path(res->ioa_cfg, |
1384 | res->res_path, buffer, sizeof(buffer))); | |
3e7ebdfa WB |
1385 | } else { |
1386 | res->flags = cfgtew->u.cfgte->flags; | |
1387 | if (res->flags & IPR_IS_IOA_RESOURCE) | |
1388 | res->type = IPR_RES_TYPE_IOAFP; | |
1389 | else | |
1390 | res->type = cfgtew->u.cfgte->rsvd_subtype & 0x0f; | |
1391 | ||
1392 | memcpy(&res->std_inq_data, &cfgtew->u.cfgte->std_inq_data, | |
1393 | sizeof(struct ipr_std_inq_data)); | |
1394 | ||
1395 | res->qmodel = IPR_QUEUEING_MODEL(res); | |
1396 | proto = cfgtew->u.cfgte->proto; | |
1397 | res->res_handle = cfgtew->u.cfgte->res_handle; | |
1398 | } | |
1399 | ||
1400 | ipr_update_ata_class(res, proto); | |
1401 | } | |
1402 | ||
1403 | /** | |
1404 | * ipr_clear_res_target - Clear the bit in the bit map representing the target | |
1405 | * for the resource. | |
1406 | * @res: resource entry struct | |
1407 | * @cfgtew: config table entry wrapper struct | |
1408 | * | |
1409 | * Return value: | |
1410 | * none | |
1411 | **/ | |
1412 | static void ipr_clear_res_target(struct ipr_resource_entry *res) | |
1413 | { | |
1414 | struct ipr_resource_entry *gscsi_res = NULL; | |
1415 | struct ipr_ioa_cfg *ioa_cfg = res->ioa_cfg; | |
1416 | ||
1417 | if (!ioa_cfg->sis64) | |
1418 | return; | |
1419 | ||
1420 | if (res->bus == IPR_ARRAY_VIRTUAL_BUS) | |
1421 | clear_bit(res->target, ioa_cfg->array_ids); | |
1422 | else if (res->bus == IPR_VSET_VIRTUAL_BUS) | |
1423 | clear_bit(res->target, ioa_cfg->vset_ids); | |
1424 | else if (res->bus == 0 && res->type == IPR_RES_TYPE_GENERIC_SCSI) { | |
1425 | list_for_each_entry(gscsi_res, &ioa_cfg->used_res_q, queue) | |
1426 | if (gscsi_res->dev_id == res->dev_id && gscsi_res != res) | |
1427 | return; | |
1428 | clear_bit(res->target, ioa_cfg->target_ids); | |
1429 | ||
1430 | } else if (res->bus == 0) | |
1431 | clear_bit(res->target, ioa_cfg->target_ids); | |
1da177e4 LT |
1432 | } |
1433 | ||
1434 | /** | |
1435 | * ipr_handle_config_change - Handle a config change from the adapter | |
1436 | * @ioa_cfg: ioa config struct | |
1437 | * @hostrcb: hostrcb | |
1438 | * | |
1439 | * Return value: | |
1440 | * none | |
1441 | **/ | |
1442 | static void ipr_handle_config_change(struct ipr_ioa_cfg *ioa_cfg, | |
3e7ebdfa | 1443 | struct ipr_hostrcb *hostrcb) |
1da177e4 LT |
1444 | { |
1445 | struct ipr_resource_entry *res = NULL; | |
3e7ebdfa WB |
1446 | struct ipr_config_table_entry_wrapper cfgtew; |
1447 | __be32 cc_res_handle; | |
1448 | ||
1da177e4 LT |
1449 | u32 is_ndn = 1; |
1450 | ||
3e7ebdfa WB |
1451 | if (ioa_cfg->sis64) { |
1452 | cfgtew.u.cfgte64 = &hostrcb->hcam.u.ccn.u.cfgte64; | |
1453 | cc_res_handle = cfgtew.u.cfgte64->res_handle; | |
1454 | } else { | |
1455 | cfgtew.u.cfgte = &hostrcb->hcam.u.ccn.u.cfgte; | |
1456 | cc_res_handle = cfgtew.u.cfgte->res_handle; | |
1457 | } | |
1da177e4 LT |
1458 | |
1459 | list_for_each_entry(res, &ioa_cfg->used_res_q, queue) { | |
3e7ebdfa | 1460 | if (res->res_handle == cc_res_handle) { |
1da177e4 LT |
1461 | is_ndn = 0; |
1462 | break; | |
1463 | } | |
1464 | } | |
1465 | ||
1466 | if (is_ndn) { | |
1467 | if (list_empty(&ioa_cfg->free_res_q)) { | |
1468 | ipr_send_hcam(ioa_cfg, | |
1469 | IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE, | |
1470 | hostrcb); | |
1471 | return; | |
1472 | } | |
1473 | ||
1474 | res = list_entry(ioa_cfg->free_res_q.next, | |
1475 | struct ipr_resource_entry, queue); | |
1476 | ||
1477 | list_del(&res->queue); | |
3e7ebdfa | 1478 | ipr_init_res_entry(res, &cfgtew); |
1da177e4 LT |
1479 | list_add_tail(&res->queue, &ioa_cfg->used_res_q); |
1480 | } | |
1481 | ||
3e7ebdfa | 1482 | ipr_update_res_entry(res, &cfgtew); |
1da177e4 LT |
1483 | |
1484 | if (hostrcb->hcam.notify_type == IPR_HOST_RCB_NOTIF_TYPE_REM_ENTRY) { | |
1485 | if (res->sdev) { | |
1da177e4 | 1486 | res->del_from_ml = 1; |
3e7ebdfa | 1487 | res->res_handle = IPR_INVALID_RES_HANDLE; |
f688f96d | 1488 | schedule_work(&ioa_cfg->work_q); |
3e7ebdfa WB |
1489 | } else { |
1490 | ipr_clear_res_target(res); | |
1da177e4 | 1491 | list_move_tail(&res->queue, &ioa_cfg->free_res_q); |
3e7ebdfa | 1492 | } |
5767a1c4 | 1493 | } else if (!res->sdev || res->del_from_ml) { |
1da177e4 | 1494 | res->add_to_ml = 1; |
f688f96d | 1495 | schedule_work(&ioa_cfg->work_q); |
1da177e4 LT |
1496 | } |
1497 | ||
1498 | ipr_send_hcam(ioa_cfg, IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE, hostrcb); | |
1499 | } | |
1500 | ||
1501 | /** | |
1502 | * ipr_process_ccn - Op done function for a CCN. | |
1503 | * @ipr_cmd: ipr command struct | |
1504 | * | |
1505 | * This function is the op done function for a configuration | |
1506 | * change notification host controlled async from the adapter. | |
1507 | * | |
1508 | * Return value: | |
1509 | * none | |
1510 | **/ | |
1511 | static void ipr_process_ccn(struct ipr_cmnd *ipr_cmd) | |
1512 | { | |
1513 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
1514 | struct ipr_hostrcb *hostrcb = ipr_cmd->u.hostrcb; | |
96d21f00 | 1515 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
1da177e4 | 1516 | |
afc3f83c | 1517 | list_del_init(&hostrcb->queue); |
05a6538a | 1518 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
1da177e4 LT |
1519 | |
1520 | if (ioasc) { | |
4fdd7c7a BK |
1521 | if (ioasc != IPR_IOASC_IOA_WAS_RESET && |
1522 | ioasc != IPR_IOASC_ABORTED_CMD_TERM_BY_HOST) | |
1da177e4 LT |
1523 | dev_err(&ioa_cfg->pdev->dev, |
1524 | "Host RCB failed with IOASC: 0x%08X\n", ioasc); | |
1525 | ||
1526 | ipr_send_hcam(ioa_cfg, IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE, hostrcb); | |
1527 | } else { | |
1528 | ipr_handle_config_change(ioa_cfg, hostrcb); | |
1529 | } | |
1530 | } | |
1531 | ||
8cf093e2 BK |
1532 | /** |
1533 | * strip_and_pad_whitespace - Strip and pad trailing whitespace. | |
1534 | * @i: index into buffer | |
1535 | * @buf: string to modify | |
1536 | * | |
1537 | * This function will strip all trailing whitespace, pad the end | |
1538 | * of the string with a single space, and NULL terminate the string. | |
1539 | * | |
1540 | * Return value: | |
1541 | * new length of string | |
1542 | **/ | |
1543 | static int strip_and_pad_whitespace(int i, char *buf) | |
1544 | { | |
1545 | while (i && buf[i] == ' ') | |
1546 | i--; | |
1547 | buf[i+1] = ' '; | |
1548 | buf[i+2] = '\0'; | |
1549 | return i + 2; | |
1550 | } | |
1551 | ||
1552 | /** | |
1553 | * ipr_log_vpd_compact - Log the passed extended VPD compactly. | |
1554 | * @prefix: string to print at start of printk | |
1555 | * @hostrcb: hostrcb pointer | |
1556 | * @vpd: vendor/product id/sn struct | |
1557 | * | |
1558 | * Return value: | |
1559 | * none | |
1560 | **/ | |
1561 | static void ipr_log_vpd_compact(char *prefix, struct ipr_hostrcb *hostrcb, | |
1562 | struct ipr_vpd *vpd) | |
1563 | { | |
1564 | char buffer[IPR_VENDOR_ID_LEN + IPR_PROD_ID_LEN + IPR_SERIAL_NUM_LEN + 3]; | |
1565 | int i = 0; | |
1566 | ||
1567 | memcpy(buffer, vpd->vpids.vendor_id, IPR_VENDOR_ID_LEN); | |
1568 | i = strip_and_pad_whitespace(IPR_VENDOR_ID_LEN - 1, buffer); | |
1569 | ||
1570 | memcpy(&buffer[i], vpd->vpids.product_id, IPR_PROD_ID_LEN); | |
1571 | i = strip_and_pad_whitespace(i + IPR_PROD_ID_LEN - 1, buffer); | |
1572 | ||
1573 | memcpy(&buffer[i], vpd->sn, IPR_SERIAL_NUM_LEN); | |
1574 | buffer[IPR_SERIAL_NUM_LEN + i] = '\0'; | |
1575 | ||
1576 | ipr_hcam_err(hostrcb, "%s VPID/SN: %s\n", prefix, buffer); | |
1577 | } | |
1578 | ||
1da177e4 LT |
1579 | /** |
1580 | * ipr_log_vpd - Log the passed VPD to the error log. | |
cfc32139 | 1581 | * @vpd: vendor/product id/sn struct |
1da177e4 LT |
1582 | * |
1583 | * Return value: | |
1584 | * none | |
1585 | **/ | |
cfc32139 | 1586 | static void ipr_log_vpd(struct ipr_vpd *vpd) |
1da177e4 LT |
1587 | { |
1588 | char buffer[IPR_VENDOR_ID_LEN + IPR_PROD_ID_LEN | |
1589 | + IPR_SERIAL_NUM_LEN]; | |
1590 | ||
cfc32139 BK |
1591 | memcpy(buffer, vpd->vpids.vendor_id, IPR_VENDOR_ID_LEN); |
1592 | memcpy(buffer + IPR_VENDOR_ID_LEN, vpd->vpids.product_id, | |
1da177e4 LT |
1593 | IPR_PROD_ID_LEN); |
1594 | buffer[IPR_VENDOR_ID_LEN + IPR_PROD_ID_LEN] = '\0'; | |
1595 | ipr_err("Vendor/Product ID: %s\n", buffer); | |
1596 | ||
cfc32139 | 1597 | memcpy(buffer, vpd->sn, IPR_SERIAL_NUM_LEN); |
1da177e4 LT |
1598 | buffer[IPR_SERIAL_NUM_LEN] = '\0'; |
1599 | ipr_err(" Serial Number: %s\n", buffer); | |
1600 | } | |
1601 | ||
8cf093e2 BK |
1602 | /** |
1603 | * ipr_log_ext_vpd_compact - Log the passed extended VPD compactly. | |
1604 | * @prefix: string to print at start of printk | |
1605 | * @hostrcb: hostrcb pointer | |
1606 | * @vpd: vendor/product id/sn/wwn struct | |
1607 | * | |
1608 | * Return value: | |
1609 | * none | |
1610 | **/ | |
1611 | static void ipr_log_ext_vpd_compact(char *prefix, struct ipr_hostrcb *hostrcb, | |
1612 | struct ipr_ext_vpd *vpd) | |
1613 | { | |
1614 | ipr_log_vpd_compact(prefix, hostrcb, &vpd->vpd); | |
1615 | ipr_hcam_err(hostrcb, "%s WWN: %08X%08X\n", prefix, | |
1616 | be32_to_cpu(vpd->wwid[0]), be32_to_cpu(vpd->wwid[1])); | |
1617 | } | |
1618 | ||
ee0f05b8 BK |
1619 | /** |
1620 | * ipr_log_ext_vpd - Log the passed extended VPD to the error log. | |
1621 | * @vpd: vendor/product id/sn/wwn struct | |
1622 | * | |
1623 | * Return value: | |
1624 | * none | |
1625 | **/ | |
1626 | static void ipr_log_ext_vpd(struct ipr_ext_vpd *vpd) | |
1627 | { | |
1628 | ipr_log_vpd(&vpd->vpd); | |
1629 | ipr_err(" WWN: %08X%08X\n", be32_to_cpu(vpd->wwid[0]), | |
1630 | be32_to_cpu(vpd->wwid[1])); | |
1631 | } | |
1632 | ||
1633 | /** | |
1634 | * ipr_log_enhanced_cache_error - Log a cache error. | |
1635 | * @ioa_cfg: ioa config struct | |
1636 | * @hostrcb: hostrcb struct | |
1637 | * | |
1638 | * Return value: | |
1639 | * none | |
1640 | **/ | |
1641 | static void ipr_log_enhanced_cache_error(struct ipr_ioa_cfg *ioa_cfg, | |
1642 | struct ipr_hostrcb *hostrcb) | |
1643 | { | |
4565e370 WB |
1644 | struct ipr_hostrcb_type_12_error *error; |
1645 | ||
1646 | if (ioa_cfg->sis64) | |
1647 | error = &hostrcb->hcam.u.error64.u.type_12_error; | |
1648 | else | |
1649 | error = &hostrcb->hcam.u.error.u.type_12_error; | |
ee0f05b8 BK |
1650 | |
1651 | ipr_err("-----Current Configuration-----\n"); | |
1652 | ipr_err("Cache Directory Card Information:\n"); | |
1653 | ipr_log_ext_vpd(&error->ioa_vpd); | |
1654 | ipr_err("Adapter Card Information:\n"); | |
1655 | ipr_log_ext_vpd(&error->cfc_vpd); | |
1656 | ||
1657 | ipr_err("-----Expected Configuration-----\n"); | |
1658 | ipr_err("Cache Directory Card Information:\n"); | |
1659 | ipr_log_ext_vpd(&error->ioa_last_attached_to_cfc_vpd); | |
1660 | ipr_err("Adapter Card Information:\n"); | |
1661 | ipr_log_ext_vpd(&error->cfc_last_attached_to_ioa_vpd); | |
1662 | ||
1663 | ipr_err("Additional IOA Data: %08X %08X %08X\n", | |
1664 | be32_to_cpu(error->ioa_data[0]), | |
1665 | be32_to_cpu(error->ioa_data[1]), | |
1666 | be32_to_cpu(error->ioa_data[2])); | |
1667 | } | |
1668 | ||
1da177e4 LT |
1669 | /** |
1670 | * ipr_log_cache_error - Log a cache error. | |
1671 | * @ioa_cfg: ioa config struct | |
1672 | * @hostrcb: hostrcb struct | |
1673 | * | |
1674 | * Return value: | |
1675 | * none | |
1676 | **/ | |
1677 | static void ipr_log_cache_error(struct ipr_ioa_cfg *ioa_cfg, | |
1678 | struct ipr_hostrcb *hostrcb) | |
1679 | { | |
1680 | struct ipr_hostrcb_type_02_error *error = | |
1681 | &hostrcb->hcam.u.error.u.type_02_error; | |
1682 | ||
1683 | ipr_err("-----Current Configuration-----\n"); | |
1684 | ipr_err("Cache Directory Card Information:\n"); | |
cfc32139 | 1685 | ipr_log_vpd(&error->ioa_vpd); |
1da177e4 | 1686 | ipr_err("Adapter Card Information:\n"); |
cfc32139 | 1687 | ipr_log_vpd(&error->cfc_vpd); |
1da177e4 LT |
1688 | |
1689 | ipr_err("-----Expected Configuration-----\n"); | |
1690 | ipr_err("Cache Directory Card Information:\n"); | |
cfc32139 | 1691 | ipr_log_vpd(&error->ioa_last_attached_to_cfc_vpd); |
1da177e4 | 1692 | ipr_err("Adapter Card Information:\n"); |
cfc32139 | 1693 | ipr_log_vpd(&error->cfc_last_attached_to_ioa_vpd); |
1da177e4 LT |
1694 | |
1695 | ipr_err("Additional IOA Data: %08X %08X %08X\n", | |
1696 | be32_to_cpu(error->ioa_data[0]), | |
1697 | be32_to_cpu(error->ioa_data[1]), | |
1698 | be32_to_cpu(error->ioa_data[2])); | |
1699 | } | |
1700 | ||
ee0f05b8 BK |
1701 | /** |
1702 | * ipr_log_enhanced_config_error - Log a configuration error. | |
1703 | * @ioa_cfg: ioa config struct | |
1704 | * @hostrcb: hostrcb struct | |
1705 | * | |
1706 | * Return value: | |
1707 | * none | |
1708 | **/ | |
1709 | static void ipr_log_enhanced_config_error(struct ipr_ioa_cfg *ioa_cfg, | |
1710 | struct ipr_hostrcb *hostrcb) | |
1711 | { | |
1712 | int errors_logged, i; | |
1713 | struct ipr_hostrcb_device_data_entry_enhanced *dev_entry; | |
1714 | struct ipr_hostrcb_type_13_error *error; | |
1715 | ||
1716 | error = &hostrcb->hcam.u.error.u.type_13_error; | |
1717 | errors_logged = be32_to_cpu(error->errors_logged); | |
1718 | ||
1719 | ipr_err("Device Errors Detected/Logged: %d/%d\n", | |
1720 | be32_to_cpu(error->errors_detected), errors_logged); | |
1721 | ||
1722 | dev_entry = error->dev; | |
1723 | ||
1724 | for (i = 0; i < errors_logged; i++, dev_entry++) { | |
1725 | ipr_err_separator; | |
1726 | ||
1727 | ipr_phys_res_err(ioa_cfg, dev_entry->dev_res_addr, "Device %d", i + 1); | |
1728 | ipr_log_ext_vpd(&dev_entry->vpd); | |
1729 | ||
1730 | ipr_err("-----New Device Information-----\n"); | |
1731 | ipr_log_ext_vpd(&dev_entry->new_vpd); | |
1732 | ||
1733 | ipr_err("Cache Directory Card Information:\n"); | |
1734 | ipr_log_ext_vpd(&dev_entry->ioa_last_with_dev_vpd); | |
1735 | ||
1736 | ipr_err("Adapter Card Information:\n"); | |
1737 | ipr_log_ext_vpd(&dev_entry->cfc_last_with_dev_vpd); | |
1738 | } | |
1739 | } | |
1740 | ||
4565e370 WB |
1741 | /** |
1742 | * ipr_log_sis64_config_error - Log a device error. | |
1743 | * @ioa_cfg: ioa config struct | |
1744 | * @hostrcb: hostrcb struct | |
1745 | * | |
1746 | * Return value: | |
1747 | * none | |
1748 | **/ | |
1749 | static void ipr_log_sis64_config_error(struct ipr_ioa_cfg *ioa_cfg, | |
1750 | struct ipr_hostrcb *hostrcb) | |
1751 | { | |
1752 | int errors_logged, i; | |
1753 | struct ipr_hostrcb64_device_data_entry_enhanced *dev_entry; | |
1754 | struct ipr_hostrcb_type_23_error *error; | |
1755 | char buffer[IPR_MAX_RES_PATH_LENGTH]; | |
1756 | ||
1757 | error = &hostrcb->hcam.u.error64.u.type_23_error; | |
1758 | errors_logged = be32_to_cpu(error->errors_logged); | |
1759 | ||
1760 | ipr_err("Device Errors Detected/Logged: %d/%d\n", | |
1761 | be32_to_cpu(error->errors_detected), errors_logged); | |
1762 | ||
1763 | dev_entry = error->dev; | |
1764 | ||
1765 | for (i = 0; i < errors_logged; i++, dev_entry++) { | |
1766 | ipr_err_separator; | |
1767 | ||
1768 | ipr_err("Device %d : %s", i + 1, | |
b3b3b407 BK |
1769 | __ipr_format_res_path(dev_entry->res_path, |
1770 | buffer, sizeof(buffer))); | |
4565e370 WB |
1771 | ipr_log_ext_vpd(&dev_entry->vpd); |
1772 | ||
1773 | ipr_err("-----New Device Information-----\n"); | |
1774 | ipr_log_ext_vpd(&dev_entry->new_vpd); | |
1775 | ||
1776 | ipr_err("Cache Directory Card Information:\n"); | |
1777 | ipr_log_ext_vpd(&dev_entry->ioa_last_with_dev_vpd); | |
1778 | ||
1779 | ipr_err("Adapter Card Information:\n"); | |
1780 | ipr_log_ext_vpd(&dev_entry->cfc_last_with_dev_vpd); | |
1781 | } | |
1782 | } | |
1783 | ||
1da177e4 LT |
1784 | /** |
1785 | * ipr_log_config_error - Log a configuration error. | |
1786 | * @ioa_cfg: ioa config struct | |
1787 | * @hostrcb: hostrcb struct | |
1788 | * | |
1789 | * Return value: | |
1790 | * none | |
1791 | **/ | |
1792 | static void ipr_log_config_error(struct ipr_ioa_cfg *ioa_cfg, | |
1793 | struct ipr_hostrcb *hostrcb) | |
1794 | { | |
1795 | int errors_logged, i; | |
1796 | struct ipr_hostrcb_device_data_entry *dev_entry; | |
1797 | struct ipr_hostrcb_type_03_error *error; | |
1798 | ||
1799 | error = &hostrcb->hcam.u.error.u.type_03_error; | |
1800 | errors_logged = be32_to_cpu(error->errors_logged); | |
1801 | ||
1802 | ipr_err("Device Errors Detected/Logged: %d/%d\n", | |
1803 | be32_to_cpu(error->errors_detected), errors_logged); | |
1804 | ||
cfc32139 | 1805 | dev_entry = error->dev; |
1da177e4 LT |
1806 | |
1807 | for (i = 0; i < errors_logged; i++, dev_entry++) { | |
1808 | ipr_err_separator; | |
1809 | ||
fa15b1f6 | 1810 | ipr_phys_res_err(ioa_cfg, dev_entry->dev_res_addr, "Device %d", i + 1); |
cfc32139 | 1811 | ipr_log_vpd(&dev_entry->vpd); |
1da177e4 LT |
1812 | |
1813 | ipr_err("-----New Device Information-----\n"); | |
cfc32139 | 1814 | ipr_log_vpd(&dev_entry->new_vpd); |
1da177e4 LT |
1815 | |
1816 | ipr_err("Cache Directory Card Information:\n"); | |
cfc32139 | 1817 | ipr_log_vpd(&dev_entry->ioa_last_with_dev_vpd); |
1da177e4 LT |
1818 | |
1819 | ipr_err("Adapter Card Information:\n"); | |
cfc32139 | 1820 | ipr_log_vpd(&dev_entry->cfc_last_with_dev_vpd); |
1da177e4 LT |
1821 | |
1822 | ipr_err("Additional IOA Data: %08X %08X %08X %08X %08X\n", | |
1823 | be32_to_cpu(dev_entry->ioa_data[0]), | |
1824 | be32_to_cpu(dev_entry->ioa_data[1]), | |
1825 | be32_to_cpu(dev_entry->ioa_data[2]), | |
1826 | be32_to_cpu(dev_entry->ioa_data[3]), | |
1827 | be32_to_cpu(dev_entry->ioa_data[4])); | |
1828 | } | |
1829 | } | |
1830 | ||
ee0f05b8 BK |
1831 | /** |
1832 | * ipr_log_enhanced_array_error - Log an array configuration error. | |
1833 | * @ioa_cfg: ioa config struct | |
1834 | * @hostrcb: hostrcb struct | |
1835 | * | |
1836 | * Return value: | |
1837 | * none | |
1838 | **/ | |
1839 | static void ipr_log_enhanced_array_error(struct ipr_ioa_cfg *ioa_cfg, | |
1840 | struct ipr_hostrcb *hostrcb) | |
1841 | { | |
1842 | int i, num_entries; | |
1843 | struct ipr_hostrcb_type_14_error *error; | |
1844 | struct ipr_hostrcb_array_data_entry_enhanced *array_entry; | |
1845 | const u8 zero_sn[IPR_SERIAL_NUM_LEN] = { [0 ... IPR_SERIAL_NUM_LEN-1] = '0' }; | |
1846 | ||
1847 | error = &hostrcb->hcam.u.error.u.type_14_error; | |
1848 | ||
1849 | ipr_err_separator; | |
1850 | ||
1851 | ipr_err("RAID %s Array Configuration: %d:%d:%d:%d\n", | |
1852 | error->protection_level, | |
1853 | ioa_cfg->host->host_no, | |
1854 | error->last_func_vset_res_addr.bus, | |
1855 | error->last_func_vset_res_addr.target, | |
1856 | error->last_func_vset_res_addr.lun); | |
1857 | ||
1858 | ipr_err_separator; | |
1859 | ||
1860 | array_entry = error->array_member; | |
1861 | num_entries = min_t(u32, be32_to_cpu(error->num_entries), | |
7262026f | 1862 | ARRAY_SIZE(error->array_member)); |
ee0f05b8 BK |
1863 | |
1864 | for (i = 0; i < num_entries; i++, array_entry++) { | |
1865 | if (!memcmp(array_entry->vpd.vpd.sn, zero_sn, IPR_SERIAL_NUM_LEN)) | |
1866 | continue; | |
1867 | ||
1868 | if (be32_to_cpu(error->exposed_mode_adn) == i) | |
1869 | ipr_err("Exposed Array Member %d:\n", i); | |
1870 | else | |
1871 | ipr_err("Array Member %d:\n", i); | |
1872 | ||
1873 | ipr_log_ext_vpd(&array_entry->vpd); | |
1874 | ipr_phys_res_err(ioa_cfg, array_entry->dev_res_addr, "Current Location"); | |
1875 | ipr_phys_res_err(ioa_cfg, array_entry->expected_dev_res_addr, | |
1876 | "Expected Location"); | |
1877 | ||
1878 | ipr_err_separator; | |
1879 | } | |
1880 | } | |
1881 | ||
1da177e4 LT |
1882 | /** |
1883 | * ipr_log_array_error - Log an array configuration error. | |
1884 | * @ioa_cfg: ioa config struct | |
1885 | * @hostrcb: hostrcb struct | |
1886 | * | |
1887 | * Return value: | |
1888 | * none | |
1889 | **/ | |
1890 | static void ipr_log_array_error(struct ipr_ioa_cfg *ioa_cfg, | |
1891 | struct ipr_hostrcb *hostrcb) | |
1892 | { | |
1893 | int i; | |
1894 | struct ipr_hostrcb_type_04_error *error; | |
1895 | struct ipr_hostrcb_array_data_entry *array_entry; | |
1896 | const u8 zero_sn[IPR_SERIAL_NUM_LEN] = { [0 ... IPR_SERIAL_NUM_LEN-1] = '0' }; | |
1897 | ||
1898 | error = &hostrcb->hcam.u.error.u.type_04_error; | |
1899 | ||
1900 | ipr_err_separator; | |
1901 | ||
1902 | ipr_err("RAID %s Array Configuration: %d:%d:%d:%d\n", | |
1903 | error->protection_level, | |
1904 | ioa_cfg->host->host_no, | |
1905 | error->last_func_vset_res_addr.bus, | |
1906 | error->last_func_vset_res_addr.target, | |
1907 | error->last_func_vset_res_addr.lun); | |
1908 | ||
1909 | ipr_err_separator; | |
1910 | ||
1911 | array_entry = error->array_member; | |
1912 | ||
1913 | for (i = 0; i < 18; i++) { | |
cfc32139 | 1914 | if (!memcmp(array_entry->vpd.sn, zero_sn, IPR_SERIAL_NUM_LEN)) |
1da177e4 LT |
1915 | continue; |
1916 | ||
fa15b1f6 | 1917 | if (be32_to_cpu(error->exposed_mode_adn) == i) |
1da177e4 | 1918 | ipr_err("Exposed Array Member %d:\n", i); |
fa15b1f6 | 1919 | else |
1da177e4 | 1920 | ipr_err("Array Member %d:\n", i); |
1da177e4 | 1921 | |
cfc32139 | 1922 | ipr_log_vpd(&array_entry->vpd); |
1da177e4 | 1923 | |
fa15b1f6 BK |
1924 | ipr_phys_res_err(ioa_cfg, array_entry->dev_res_addr, "Current Location"); |
1925 | ipr_phys_res_err(ioa_cfg, array_entry->expected_dev_res_addr, | |
1926 | "Expected Location"); | |
1da177e4 LT |
1927 | |
1928 | ipr_err_separator; | |
1929 | ||
1930 | if (i == 9) | |
1931 | array_entry = error->array_member2; | |
1932 | else | |
1933 | array_entry++; | |
1934 | } | |
1935 | } | |
1936 | ||
1937 | /** | |
b0df54bb | 1938 | * ipr_log_hex_data - Log additional hex IOA error data. |
ac719aba | 1939 | * @ioa_cfg: ioa config struct |
b0df54bb BK |
1940 | * @data: IOA error data |
1941 | * @len: data length | |
1da177e4 LT |
1942 | * |
1943 | * Return value: | |
1944 | * none | |
1945 | **/ | |
359d96e7 | 1946 | static void ipr_log_hex_data(struct ipr_ioa_cfg *ioa_cfg, __be32 *data, int len) |
1da177e4 LT |
1947 | { |
1948 | int i; | |
1da177e4 | 1949 | |
b0df54bb | 1950 | if (len == 0) |
1da177e4 LT |
1951 | return; |
1952 | ||
ac719aba BK |
1953 | if (ioa_cfg->log_level <= IPR_DEFAULT_LOG_LEVEL) |
1954 | len = min_t(int, len, IPR_DEFAULT_MAX_ERROR_DUMP); | |
1955 | ||
b0df54bb | 1956 | for (i = 0; i < len / 4; i += 4) { |
1da177e4 | 1957 | ipr_err("%08X: %08X %08X %08X %08X\n", i*4, |
b0df54bb BK |
1958 | be32_to_cpu(data[i]), |
1959 | be32_to_cpu(data[i+1]), | |
1960 | be32_to_cpu(data[i+2]), | |
1961 | be32_to_cpu(data[i+3])); | |
1da177e4 LT |
1962 | } |
1963 | } | |
1964 | ||
ee0f05b8 BK |
1965 | /** |
1966 | * ipr_log_enhanced_dual_ioa_error - Log an enhanced dual adapter error. | |
1967 | * @ioa_cfg: ioa config struct | |
1968 | * @hostrcb: hostrcb struct | |
1969 | * | |
1970 | * Return value: | |
1971 | * none | |
1972 | **/ | |
1973 | static void ipr_log_enhanced_dual_ioa_error(struct ipr_ioa_cfg *ioa_cfg, | |
1974 | struct ipr_hostrcb *hostrcb) | |
1975 | { | |
1976 | struct ipr_hostrcb_type_17_error *error; | |
1977 | ||
4565e370 WB |
1978 | if (ioa_cfg->sis64) |
1979 | error = &hostrcb->hcam.u.error64.u.type_17_error; | |
1980 | else | |
1981 | error = &hostrcb->hcam.u.error.u.type_17_error; | |
1982 | ||
ee0f05b8 | 1983 | error->failure_reason[sizeof(error->failure_reason) - 1] = '\0'; |
ca54cb8c | 1984 | strim(error->failure_reason); |
ee0f05b8 | 1985 | |
8cf093e2 BK |
1986 | ipr_hcam_err(hostrcb, "%s [PRC: %08X]\n", error->failure_reason, |
1987 | be32_to_cpu(hostrcb->hcam.u.error.prc)); | |
1988 | ipr_log_ext_vpd_compact("Remote IOA", hostrcb, &error->vpd); | |
ac719aba | 1989 | ipr_log_hex_data(ioa_cfg, error->data, |
ee0f05b8 BK |
1990 | be32_to_cpu(hostrcb->hcam.length) - |
1991 | (offsetof(struct ipr_hostrcb_error, u) + | |
1992 | offsetof(struct ipr_hostrcb_type_17_error, data))); | |
1993 | } | |
1994 | ||
b0df54bb BK |
1995 | /** |
1996 | * ipr_log_dual_ioa_error - Log a dual adapter error. | |
1997 | * @ioa_cfg: ioa config struct | |
1998 | * @hostrcb: hostrcb struct | |
1999 | * | |
2000 | * Return value: | |
2001 | * none | |
2002 | **/ | |
2003 | static void ipr_log_dual_ioa_error(struct ipr_ioa_cfg *ioa_cfg, | |
2004 | struct ipr_hostrcb *hostrcb) | |
2005 | { | |
2006 | struct ipr_hostrcb_type_07_error *error; | |
2007 | ||
2008 | error = &hostrcb->hcam.u.error.u.type_07_error; | |
2009 | error->failure_reason[sizeof(error->failure_reason) - 1] = '\0'; | |
ca54cb8c | 2010 | strim(error->failure_reason); |
b0df54bb | 2011 | |
8cf093e2 BK |
2012 | ipr_hcam_err(hostrcb, "%s [PRC: %08X]\n", error->failure_reason, |
2013 | be32_to_cpu(hostrcb->hcam.u.error.prc)); | |
2014 | ipr_log_vpd_compact("Remote IOA", hostrcb, &error->vpd); | |
ac719aba | 2015 | ipr_log_hex_data(ioa_cfg, error->data, |
b0df54bb BK |
2016 | be32_to_cpu(hostrcb->hcam.length) - |
2017 | (offsetof(struct ipr_hostrcb_error, u) + | |
2018 | offsetof(struct ipr_hostrcb_type_07_error, data))); | |
2019 | } | |
2020 | ||
49dc6a18 BK |
2021 | static const struct { |
2022 | u8 active; | |
2023 | char *desc; | |
2024 | } path_active_desc[] = { | |
2025 | { IPR_PATH_NO_INFO, "Path" }, | |
2026 | { IPR_PATH_ACTIVE, "Active path" }, | |
2027 | { IPR_PATH_NOT_ACTIVE, "Inactive path" } | |
2028 | }; | |
2029 | ||
2030 | static const struct { | |
2031 | u8 state; | |
2032 | char *desc; | |
2033 | } path_state_desc[] = { | |
2034 | { IPR_PATH_STATE_NO_INFO, "has no path state information available" }, | |
2035 | { IPR_PATH_HEALTHY, "is healthy" }, | |
2036 | { IPR_PATH_DEGRADED, "is degraded" }, | |
2037 | { IPR_PATH_FAILED, "is failed" } | |
2038 | }; | |
2039 | ||
2040 | /** | |
2041 | * ipr_log_fabric_path - Log a fabric path error | |
2042 | * @hostrcb: hostrcb struct | |
2043 | * @fabric: fabric descriptor | |
2044 | * | |
2045 | * Return value: | |
2046 | * none | |
2047 | **/ | |
2048 | static void ipr_log_fabric_path(struct ipr_hostrcb *hostrcb, | |
2049 | struct ipr_hostrcb_fabric_desc *fabric) | |
2050 | { | |
2051 | int i, j; | |
2052 | u8 path_state = fabric->path_state; | |
2053 | u8 active = path_state & IPR_PATH_ACTIVE_MASK; | |
2054 | u8 state = path_state & IPR_PATH_STATE_MASK; | |
2055 | ||
2056 | for (i = 0; i < ARRAY_SIZE(path_active_desc); i++) { | |
2057 | if (path_active_desc[i].active != active) | |
2058 | continue; | |
2059 | ||
2060 | for (j = 0; j < ARRAY_SIZE(path_state_desc); j++) { | |
2061 | if (path_state_desc[j].state != state) | |
2062 | continue; | |
2063 | ||
2064 | if (fabric->cascaded_expander == 0xff && fabric->phy == 0xff) { | |
2065 | ipr_hcam_err(hostrcb, "%s %s: IOA Port=%d\n", | |
2066 | path_active_desc[i].desc, path_state_desc[j].desc, | |
2067 | fabric->ioa_port); | |
2068 | } else if (fabric->cascaded_expander == 0xff) { | |
2069 | ipr_hcam_err(hostrcb, "%s %s: IOA Port=%d, Phy=%d\n", | |
2070 | path_active_desc[i].desc, path_state_desc[j].desc, | |
2071 | fabric->ioa_port, fabric->phy); | |
2072 | } else if (fabric->phy == 0xff) { | |
2073 | ipr_hcam_err(hostrcb, "%s %s: IOA Port=%d, Cascade=%d\n", | |
2074 | path_active_desc[i].desc, path_state_desc[j].desc, | |
2075 | fabric->ioa_port, fabric->cascaded_expander); | |
2076 | } else { | |
2077 | ipr_hcam_err(hostrcb, "%s %s: IOA Port=%d, Cascade=%d, Phy=%d\n", | |
2078 | path_active_desc[i].desc, path_state_desc[j].desc, | |
2079 | fabric->ioa_port, fabric->cascaded_expander, fabric->phy); | |
2080 | } | |
2081 | return; | |
2082 | } | |
2083 | } | |
2084 | ||
2085 | ipr_err("Path state=%02X IOA Port=%d Cascade=%d Phy=%d\n", path_state, | |
2086 | fabric->ioa_port, fabric->cascaded_expander, fabric->phy); | |
2087 | } | |
2088 | ||
4565e370 WB |
2089 | /** |
2090 | * ipr_log64_fabric_path - Log a fabric path error | |
2091 | * @hostrcb: hostrcb struct | |
2092 | * @fabric: fabric descriptor | |
2093 | * | |
2094 | * Return value: | |
2095 | * none | |
2096 | **/ | |
2097 | static void ipr_log64_fabric_path(struct ipr_hostrcb *hostrcb, | |
2098 | struct ipr_hostrcb64_fabric_desc *fabric) | |
2099 | { | |
2100 | int i, j; | |
2101 | u8 path_state = fabric->path_state; | |
2102 | u8 active = path_state & IPR_PATH_ACTIVE_MASK; | |
2103 | u8 state = path_state & IPR_PATH_STATE_MASK; | |
2104 | char buffer[IPR_MAX_RES_PATH_LENGTH]; | |
2105 | ||
2106 | for (i = 0; i < ARRAY_SIZE(path_active_desc); i++) { | |
2107 | if (path_active_desc[i].active != active) | |
2108 | continue; | |
2109 | ||
2110 | for (j = 0; j < ARRAY_SIZE(path_state_desc); j++) { | |
2111 | if (path_state_desc[j].state != state) | |
2112 | continue; | |
2113 | ||
2114 | ipr_hcam_err(hostrcb, "%s %s: Resource Path=%s\n", | |
2115 | path_active_desc[i].desc, path_state_desc[j].desc, | |
b3b3b407 BK |
2116 | ipr_format_res_path(hostrcb->ioa_cfg, |
2117 | fabric->res_path, | |
2118 | buffer, sizeof(buffer))); | |
4565e370 WB |
2119 | return; |
2120 | } | |
2121 | } | |
2122 | ||
2123 | ipr_err("Path state=%02X Resource Path=%s\n", path_state, | |
b3b3b407 BK |
2124 | ipr_format_res_path(hostrcb->ioa_cfg, fabric->res_path, |
2125 | buffer, sizeof(buffer))); | |
4565e370 WB |
2126 | } |
2127 | ||
49dc6a18 BK |
2128 | static const struct { |
2129 | u8 type; | |
2130 | char *desc; | |
2131 | } path_type_desc[] = { | |
2132 | { IPR_PATH_CFG_IOA_PORT, "IOA port" }, | |
2133 | { IPR_PATH_CFG_EXP_PORT, "Expander port" }, | |
2134 | { IPR_PATH_CFG_DEVICE_PORT, "Device port" }, | |
2135 | { IPR_PATH_CFG_DEVICE_LUN, "Device LUN" } | |
2136 | }; | |
2137 | ||
2138 | static const struct { | |
2139 | u8 status; | |
2140 | char *desc; | |
2141 | } path_status_desc[] = { | |
2142 | { IPR_PATH_CFG_NO_PROB, "Functional" }, | |
2143 | { IPR_PATH_CFG_DEGRADED, "Degraded" }, | |
2144 | { IPR_PATH_CFG_FAILED, "Failed" }, | |
2145 | { IPR_PATH_CFG_SUSPECT, "Suspect" }, | |
2146 | { IPR_PATH_NOT_DETECTED, "Missing" }, | |
2147 | { IPR_PATH_INCORRECT_CONN, "Incorrectly connected" } | |
2148 | }; | |
2149 | ||
2150 | static const char *link_rate[] = { | |
2151 | "unknown", | |
2152 | "disabled", | |
2153 | "phy reset problem", | |
2154 | "spinup hold", | |
2155 | "port selector", | |
2156 | "unknown", | |
2157 | "unknown", | |
2158 | "unknown", | |
2159 | "1.5Gbps", | |
2160 | "3.0Gbps", | |
2161 | "unknown", | |
2162 | "unknown", | |
2163 | "unknown", | |
2164 | "unknown", | |
2165 | "unknown", | |
2166 | "unknown" | |
2167 | }; | |
2168 | ||
2169 | /** | |
2170 | * ipr_log_path_elem - Log a fabric path element. | |
2171 | * @hostrcb: hostrcb struct | |
2172 | * @cfg: fabric path element struct | |
2173 | * | |
2174 | * Return value: | |
2175 | * none | |
2176 | **/ | |
2177 | static void ipr_log_path_elem(struct ipr_hostrcb *hostrcb, | |
2178 | struct ipr_hostrcb_config_element *cfg) | |
2179 | { | |
2180 | int i, j; | |
2181 | u8 type = cfg->type_status & IPR_PATH_CFG_TYPE_MASK; | |
2182 | u8 status = cfg->type_status & IPR_PATH_CFG_STATUS_MASK; | |
2183 | ||
2184 | if (type == IPR_PATH_CFG_NOT_EXIST) | |
2185 | return; | |
2186 | ||
2187 | for (i = 0; i < ARRAY_SIZE(path_type_desc); i++) { | |
2188 | if (path_type_desc[i].type != type) | |
2189 | continue; | |
2190 | ||
2191 | for (j = 0; j < ARRAY_SIZE(path_status_desc); j++) { | |
2192 | if (path_status_desc[j].status != status) | |
2193 | continue; | |
2194 | ||
2195 | if (type == IPR_PATH_CFG_IOA_PORT) { | |
2196 | ipr_hcam_err(hostrcb, "%s %s: Phy=%d, Link rate=%s, WWN=%08X%08X\n", | |
2197 | path_status_desc[j].desc, path_type_desc[i].desc, | |
2198 | cfg->phy, link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], | |
2199 | be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); | |
2200 | } else { | |
2201 | if (cfg->cascaded_expander == 0xff && cfg->phy == 0xff) { | |
2202 | ipr_hcam_err(hostrcb, "%s %s: Link rate=%s, WWN=%08X%08X\n", | |
2203 | path_status_desc[j].desc, path_type_desc[i].desc, | |
2204 | link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], | |
2205 | be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); | |
2206 | } else if (cfg->cascaded_expander == 0xff) { | |
2207 | ipr_hcam_err(hostrcb, "%s %s: Phy=%d, Link rate=%s, " | |
2208 | "WWN=%08X%08X\n", path_status_desc[j].desc, | |
2209 | path_type_desc[i].desc, cfg->phy, | |
2210 | link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], | |
2211 | be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); | |
2212 | } else if (cfg->phy == 0xff) { | |
2213 | ipr_hcam_err(hostrcb, "%s %s: Cascade=%d, Link rate=%s, " | |
2214 | "WWN=%08X%08X\n", path_status_desc[j].desc, | |
2215 | path_type_desc[i].desc, cfg->cascaded_expander, | |
2216 | link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], | |
2217 | be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); | |
2218 | } else { | |
2219 | ipr_hcam_err(hostrcb, "%s %s: Cascade=%d, Phy=%d, Link rate=%s " | |
2220 | "WWN=%08X%08X\n", path_status_desc[j].desc, | |
2221 | path_type_desc[i].desc, cfg->cascaded_expander, cfg->phy, | |
2222 | link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], | |
2223 | be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); | |
2224 | } | |
2225 | } | |
2226 | return; | |
2227 | } | |
2228 | } | |
2229 | ||
2230 | ipr_hcam_err(hostrcb, "Path element=%02X: Cascade=%d Phy=%d Link rate=%s " | |
2231 | "WWN=%08X%08X\n", cfg->type_status, cfg->cascaded_expander, cfg->phy, | |
2232 | link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], | |
2233 | be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); | |
2234 | } | |
2235 | ||
4565e370 WB |
2236 | /** |
2237 | * ipr_log64_path_elem - Log a fabric path element. | |
2238 | * @hostrcb: hostrcb struct | |
2239 | * @cfg: fabric path element struct | |
2240 | * | |
2241 | * Return value: | |
2242 | * none | |
2243 | **/ | |
2244 | static void ipr_log64_path_elem(struct ipr_hostrcb *hostrcb, | |
2245 | struct ipr_hostrcb64_config_element *cfg) | |
2246 | { | |
2247 | int i, j; | |
2248 | u8 desc_id = cfg->descriptor_id & IPR_DESCRIPTOR_MASK; | |
2249 | u8 type = cfg->type_status & IPR_PATH_CFG_TYPE_MASK; | |
2250 | u8 status = cfg->type_status & IPR_PATH_CFG_STATUS_MASK; | |
2251 | char buffer[IPR_MAX_RES_PATH_LENGTH]; | |
2252 | ||
2253 | if (type == IPR_PATH_CFG_NOT_EXIST || desc_id != IPR_DESCRIPTOR_SIS64) | |
2254 | return; | |
2255 | ||
2256 | for (i = 0; i < ARRAY_SIZE(path_type_desc); i++) { | |
2257 | if (path_type_desc[i].type != type) | |
2258 | continue; | |
2259 | ||
2260 | for (j = 0; j < ARRAY_SIZE(path_status_desc); j++) { | |
2261 | if (path_status_desc[j].status != status) | |
2262 | continue; | |
2263 | ||
2264 | ipr_hcam_err(hostrcb, "%s %s: Resource Path=%s, Link rate=%s, WWN=%08X%08X\n", | |
2265 | path_status_desc[j].desc, path_type_desc[i].desc, | |
b3b3b407 BK |
2266 | ipr_format_res_path(hostrcb->ioa_cfg, |
2267 | cfg->res_path, buffer, sizeof(buffer)), | |
2268 | link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], | |
2269 | be32_to_cpu(cfg->wwid[0]), | |
2270 | be32_to_cpu(cfg->wwid[1])); | |
4565e370 WB |
2271 | return; |
2272 | } | |
2273 | } | |
2274 | ipr_hcam_err(hostrcb, "Path element=%02X: Resource Path=%s, Link rate=%s " | |
2275 | "WWN=%08X%08X\n", cfg->type_status, | |
b3b3b407 BK |
2276 | ipr_format_res_path(hostrcb->ioa_cfg, |
2277 | cfg->res_path, buffer, sizeof(buffer)), | |
2278 | link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], | |
2279 | be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); | |
4565e370 WB |
2280 | } |
2281 | ||
49dc6a18 BK |
2282 | /** |
2283 | * ipr_log_fabric_error - Log a fabric error. | |
2284 | * @ioa_cfg: ioa config struct | |
2285 | * @hostrcb: hostrcb struct | |
2286 | * | |
2287 | * Return value: | |
2288 | * none | |
2289 | **/ | |
2290 | static void ipr_log_fabric_error(struct ipr_ioa_cfg *ioa_cfg, | |
2291 | struct ipr_hostrcb *hostrcb) | |
2292 | { | |
2293 | struct ipr_hostrcb_type_20_error *error; | |
2294 | struct ipr_hostrcb_fabric_desc *fabric; | |
2295 | struct ipr_hostrcb_config_element *cfg; | |
2296 | int i, add_len; | |
2297 | ||
2298 | error = &hostrcb->hcam.u.error.u.type_20_error; | |
2299 | error->failure_reason[sizeof(error->failure_reason) - 1] = '\0'; | |
2300 | ipr_hcam_err(hostrcb, "%s\n", error->failure_reason); | |
2301 | ||
2302 | add_len = be32_to_cpu(hostrcb->hcam.length) - | |
2303 | (offsetof(struct ipr_hostrcb_error, u) + | |
2304 | offsetof(struct ipr_hostrcb_type_20_error, desc)); | |
2305 | ||
2306 | for (i = 0, fabric = error->desc; i < error->num_entries; i++) { | |
2307 | ipr_log_fabric_path(hostrcb, fabric); | |
2308 | for_each_fabric_cfg(fabric, cfg) | |
2309 | ipr_log_path_elem(hostrcb, cfg); | |
2310 | ||
2311 | add_len -= be16_to_cpu(fabric->length); | |
2312 | fabric = (struct ipr_hostrcb_fabric_desc *) | |
2313 | ((unsigned long)fabric + be16_to_cpu(fabric->length)); | |
2314 | } | |
2315 | ||
359d96e7 | 2316 | ipr_log_hex_data(ioa_cfg, (__be32 *)fabric, add_len); |
49dc6a18 BK |
2317 | } |
2318 | ||
4565e370 WB |
2319 | /** |
2320 | * ipr_log_sis64_array_error - Log a sis64 array error. | |
2321 | * @ioa_cfg: ioa config struct | |
2322 | * @hostrcb: hostrcb struct | |
2323 | * | |
2324 | * Return value: | |
2325 | * none | |
2326 | **/ | |
2327 | static void ipr_log_sis64_array_error(struct ipr_ioa_cfg *ioa_cfg, | |
2328 | struct ipr_hostrcb *hostrcb) | |
2329 | { | |
2330 | int i, num_entries; | |
2331 | struct ipr_hostrcb_type_24_error *error; | |
2332 | struct ipr_hostrcb64_array_data_entry *array_entry; | |
2333 | char buffer[IPR_MAX_RES_PATH_LENGTH]; | |
2334 | const u8 zero_sn[IPR_SERIAL_NUM_LEN] = { [0 ... IPR_SERIAL_NUM_LEN-1] = '0' }; | |
2335 | ||
2336 | error = &hostrcb->hcam.u.error64.u.type_24_error; | |
2337 | ||
2338 | ipr_err_separator; | |
2339 | ||
2340 | ipr_err("RAID %s Array Configuration: %s\n", | |
2341 | error->protection_level, | |
b3b3b407 BK |
2342 | ipr_format_res_path(ioa_cfg, error->last_res_path, |
2343 | buffer, sizeof(buffer))); | |
4565e370 WB |
2344 | |
2345 | ipr_err_separator; | |
2346 | ||
2347 | array_entry = error->array_member; | |
7262026f WB |
2348 | num_entries = min_t(u32, error->num_entries, |
2349 | ARRAY_SIZE(error->array_member)); | |
4565e370 WB |
2350 | |
2351 | for (i = 0; i < num_entries; i++, array_entry++) { | |
2352 | ||
2353 | if (!memcmp(array_entry->vpd.vpd.sn, zero_sn, IPR_SERIAL_NUM_LEN)) | |
2354 | continue; | |
2355 | ||
2356 | if (error->exposed_mode_adn == i) | |
2357 | ipr_err("Exposed Array Member %d:\n", i); | |
2358 | else | |
2359 | ipr_err("Array Member %d:\n", i); | |
2360 | ||
2361 | ipr_err("Array Member %d:\n", i); | |
2362 | ipr_log_ext_vpd(&array_entry->vpd); | |
7262026f | 2363 | ipr_err("Current Location: %s\n", |
b3b3b407 BK |
2364 | ipr_format_res_path(ioa_cfg, array_entry->res_path, |
2365 | buffer, sizeof(buffer))); | |
7262026f | 2366 | ipr_err("Expected Location: %s\n", |
b3b3b407 BK |
2367 | ipr_format_res_path(ioa_cfg, |
2368 | array_entry->expected_res_path, | |
2369 | buffer, sizeof(buffer))); | |
4565e370 WB |
2370 | |
2371 | ipr_err_separator; | |
2372 | } | |
2373 | } | |
2374 | ||
2375 | /** | |
2376 | * ipr_log_sis64_fabric_error - Log a sis64 fabric error. | |
2377 | * @ioa_cfg: ioa config struct | |
2378 | * @hostrcb: hostrcb struct | |
2379 | * | |
2380 | * Return value: | |
2381 | * none | |
2382 | **/ | |
2383 | static void ipr_log_sis64_fabric_error(struct ipr_ioa_cfg *ioa_cfg, | |
2384 | struct ipr_hostrcb *hostrcb) | |
2385 | { | |
2386 | struct ipr_hostrcb_type_30_error *error; | |
2387 | struct ipr_hostrcb64_fabric_desc *fabric; | |
2388 | struct ipr_hostrcb64_config_element *cfg; | |
2389 | int i, add_len; | |
2390 | ||
2391 | error = &hostrcb->hcam.u.error64.u.type_30_error; | |
2392 | ||
2393 | error->failure_reason[sizeof(error->failure_reason) - 1] = '\0'; | |
2394 | ipr_hcam_err(hostrcb, "%s\n", error->failure_reason); | |
2395 | ||
2396 | add_len = be32_to_cpu(hostrcb->hcam.length) - | |
2397 | (offsetof(struct ipr_hostrcb64_error, u) + | |
2398 | offsetof(struct ipr_hostrcb_type_30_error, desc)); | |
2399 | ||
2400 | for (i = 0, fabric = error->desc; i < error->num_entries; i++) { | |
2401 | ipr_log64_fabric_path(hostrcb, fabric); | |
2402 | for_each_fabric_cfg(fabric, cfg) | |
2403 | ipr_log64_path_elem(hostrcb, cfg); | |
2404 | ||
2405 | add_len -= be16_to_cpu(fabric->length); | |
2406 | fabric = (struct ipr_hostrcb64_fabric_desc *) | |
2407 | ((unsigned long)fabric + be16_to_cpu(fabric->length)); | |
2408 | } | |
2409 | ||
359d96e7 | 2410 | ipr_log_hex_data(ioa_cfg, (__be32 *)fabric, add_len); |
4565e370 WB |
2411 | } |
2412 | ||
b0df54bb BK |
2413 | /** |
2414 | * ipr_log_generic_error - Log an adapter error. | |
2415 | * @ioa_cfg: ioa config struct | |
2416 | * @hostrcb: hostrcb struct | |
2417 | * | |
2418 | * Return value: | |
2419 | * none | |
2420 | **/ | |
2421 | static void ipr_log_generic_error(struct ipr_ioa_cfg *ioa_cfg, | |
2422 | struct ipr_hostrcb *hostrcb) | |
2423 | { | |
ac719aba | 2424 | ipr_log_hex_data(ioa_cfg, hostrcb->hcam.u.raw.data, |
b0df54bb BK |
2425 | be32_to_cpu(hostrcb->hcam.length)); |
2426 | } | |
2427 | ||
169b9ec8 WX |
2428 | /** |
2429 | * ipr_log_sis64_device_error - Log a cache error. | |
2430 | * @ioa_cfg: ioa config struct | |
2431 | * @hostrcb: hostrcb struct | |
2432 | * | |
2433 | * Return value: | |
2434 | * none | |
2435 | **/ | |
2436 | static void ipr_log_sis64_device_error(struct ipr_ioa_cfg *ioa_cfg, | |
2437 | struct ipr_hostrcb *hostrcb) | |
2438 | { | |
2439 | struct ipr_hostrcb_type_21_error *error; | |
2440 | char buffer[IPR_MAX_RES_PATH_LENGTH]; | |
2441 | ||
2442 | error = &hostrcb->hcam.u.error64.u.type_21_error; | |
2443 | ||
2444 | ipr_err("-----Failing Device Information-----\n"); | |
2445 | ipr_err("World Wide Unique ID: %08X%08X%08X%08X\n", | |
2446 | be32_to_cpu(error->wwn[0]), be32_to_cpu(error->wwn[1]), | |
2447 | be32_to_cpu(error->wwn[2]), be32_to_cpu(error->wwn[3])); | |
2448 | ipr_err("Device Resource Path: %s\n", | |
2449 | __ipr_format_res_path(error->res_path, | |
2450 | buffer, sizeof(buffer))); | |
2451 | error->primary_problem_desc[sizeof(error->primary_problem_desc) - 1] = '\0'; | |
2452 | error->second_problem_desc[sizeof(error->second_problem_desc) - 1] = '\0'; | |
2453 | ipr_err("Primary Problem Description: %s\n", error->primary_problem_desc); | |
2454 | ipr_err("Secondary Problem Description: %s\n", error->second_problem_desc); | |
2455 | ipr_err("SCSI Sense Data:\n"); | |
2456 | ipr_log_hex_data(ioa_cfg, error->sense_data, sizeof(error->sense_data)); | |
2457 | ipr_err("SCSI Command Descriptor Block: \n"); | |
2458 | ipr_log_hex_data(ioa_cfg, error->cdb, sizeof(error->cdb)); | |
2459 | ||
2460 | ipr_err("Additional IOA Data:\n"); | |
2461 | ipr_log_hex_data(ioa_cfg, error->ioa_data, be32_to_cpu(error->length_of_error)); | |
2462 | } | |
2463 | ||
1da177e4 LT |
2464 | /** |
2465 | * ipr_get_error - Find the specfied IOASC in the ipr_error_table. | |
2466 | * @ioasc: IOASC | |
2467 | * | |
2468 | * This function will return the index of into the ipr_error_table | |
2469 | * for the specified IOASC. If the IOASC is not in the table, | |
2470 | * 0 will be returned, which points to the entry used for unknown errors. | |
2471 | * | |
2472 | * Return value: | |
2473 | * index into the ipr_error_table | |
2474 | **/ | |
2475 | static u32 ipr_get_error(u32 ioasc) | |
2476 | { | |
2477 | int i; | |
2478 | ||
2479 | for (i = 0; i < ARRAY_SIZE(ipr_error_table); i++) | |
35a39691 | 2480 | if (ipr_error_table[i].ioasc == (ioasc & IPR_IOASC_IOASC_MASK)) |
1da177e4 LT |
2481 | return i; |
2482 | ||
2483 | return 0; | |
2484 | } | |
2485 | ||
2486 | /** | |
2487 | * ipr_handle_log_data - Log an adapter error. | |
2488 | * @ioa_cfg: ioa config struct | |
2489 | * @hostrcb: hostrcb struct | |
2490 | * | |
2491 | * This function logs an adapter error to the system. | |
2492 | * | |
2493 | * Return value: | |
2494 | * none | |
2495 | **/ | |
2496 | static void ipr_handle_log_data(struct ipr_ioa_cfg *ioa_cfg, | |
2497 | struct ipr_hostrcb *hostrcb) | |
2498 | { | |
2499 | u32 ioasc; | |
2500 | int error_index; | |
3185ea63 | 2501 | struct ipr_hostrcb_type_21_error *error; |
1da177e4 LT |
2502 | |
2503 | if (hostrcb->hcam.notify_type != IPR_HOST_RCB_NOTIF_TYPE_ERROR_LOG_ENTRY) | |
2504 | return; | |
2505 | ||
2506 | if (hostrcb->hcam.notifications_lost == IPR_HOST_RCB_NOTIFICATIONS_LOST) | |
2507 | dev_err(&ioa_cfg->pdev->dev, "Error notifications lost\n"); | |
2508 | ||
4565e370 WB |
2509 | if (ioa_cfg->sis64) |
2510 | ioasc = be32_to_cpu(hostrcb->hcam.u.error64.fd_ioasc); | |
2511 | else | |
2512 | ioasc = be32_to_cpu(hostrcb->hcam.u.error.fd_ioasc); | |
1da177e4 | 2513 | |
4565e370 WB |
2514 | if (!ioa_cfg->sis64 && (ioasc == IPR_IOASC_BUS_WAS_RESET || |
2515 | ioasc == IPR_IOASC_BUS_WAS_RESET_BY_OTHER)) { | |
1da177e4 LT |
2516 | /* Tell the midlayer we had a bus reset so it will handle the UA properly */ |
2517 | scsi_report_bus_reset(ioa_cfg->host, | |
4565e370 | 2518 | hostrcb->hcam.u.error.fd_res_addr.bus); |
1da177e4 LT |
2519 | } |
2520 | ||
2521 | error_index = ipr_get_error(ioasc); | |
2522 | ||
2523 | if (!ipr_error_table[error_index].log_hcam) | |
2524 | return; | |
2525 | ||
3185ea63 | 2526 | if (ioasc == IPR_IOASC_HW_CMD_FAILED && |
2527 | hostrcb->hcam.overlay_id == IPR_HOST_RCB_OVERLAY_ID_21) { | |
2528 | error = &hostrcb->hcam.u.error64.u.type_21_error; | |
2529 | ||
2530 | if (((be32_to_cpu(error->sense_data[0]) & 0x0000ff00) >> 8) == ILLEGAL_REQUEST && | |
2531 | ioa_cfg->log_level <= IPR_DEFAULT_LOG_LEVEL) | |
2532 | return; | |
2533 | } | |
2534 | ||
49dc6a18 | 2535 | ipr_hcam_err(hostrcb, "%s\n", ipr_error_table[error_index].error); |
1da177e4 LT |
2536 | |
2537 | /* Set indication we have logged an error */ | |
2538 | ioa_cfg->errors_logged++; | |
2539 | ||
933916f3 | 2540 | if (ioa_cfg->log_level < ipr_error_table[error_index].log_hcam) |
1da177e4 | 2541 | return; |
cf852037 BK |
2542 | if (be32_to_cpu(hostrcb->hcam.length) > sizeof(hostrcb->hcam.u.raw)) |
2543 | hostrcb->hcam.length = cpu_to_be32(sizeof(hostrcb->hcam.u.raw)); | |
1da177e4 LT |
2544 | |
2545 | switch (hostrcb->hcam.overlay_id) { | |
1da177e4 LT |
2546 | case IPR_HOST_RCB_OVERLAY_ID_2: |
2547 | ipr_log_cache_error(ioa_cfg, hostrcb); | |
2548 | break; | |
2549 | case IPR_HOST_RCB_OVERLAY_ID_3: | |
2550 | ipr_log_config_error(ioa_cfg, hostrcb); | |
2551 | break; | |
2552 | case IPR_HOST_RCB_OVERLAY_ID_4: | |
2553 | case IPR_HOST_RCB_OVERLAY_ID_6: | |
2554 | ipr_log_array_error(ioa_cfg, hostrcb); | |
2555 | break; | |
b0df54bb BK |
2556 | case IPR_HOST_RCB_OVERLAY_ID_7: |
2557 | ipr_log_dual_ioa_error(ioa_cfg, hostrcb); | |
2558 | break; | |
ee0f05b8 BK |
2559 | case IPR_HOST_RCB_OVERLAY_ID_12: |
2560 | ipr_log_enhanced_cache_error(ioa_cfg, hostrcb); | |
2561 | break; | |
2562 | case IPR_HOST_RCB_OVERLAY_ID_13: | |
2563 | ipr_log_enhanced_config_error(ioa_cfg, hostrcb); | |
2564 | break; | |
2565 | case IPR_HOST_RCB_OVERLAY_ID_14: | |
2566 | case IPR_HOST_RCB_OVERLAY_ID_16: | |
2567 | ipr_log_enhanced_array_error(ioa_cfg, hostrcb); | |
2568 | break; | |
2569 | case IPR_HOST_RCB_OVERLAY_ID_17: | |
2570 | ipr_log_enhanced_dual_ioa_error(ioa_cfg, hostrcb); | |
2571 | break; | |
49dc6a18 BK |
2572 | case IPR_HOST_RCB_OVERLAY_ID_20: |
2573 | ipr_log_fabric_error(ioa_cfg, hostrcb); | |
2574 | break; | |
169b9ec8 WX |
2575 | case IPR_HOST_RCB_OVERLAY_ID_21: |
2576 | ipr_log_sis64_device_error(ioa_cfg, hostrcb); | |
2577 | break; | |
4565e370 WB |
2578 | case IPR_HOST_RCB_OVERLAY_ID_23: |
2579 | ipr_log_sis64_config_error(ioa_cfg, hostrcb); | |
2580 | break; | |
2581 | case IPR_HOST_RCB_OVERLAY_ID_24: | |
2582 | case IPR_HOST_RCB_OVERLAY_ID_26: | |
2583 | ipr_log_sis64_array_error(ioa_cfg, hostrcb); | |
2584 | break; | |
2585 | case IPR_HOST_RCB_OVERLAY_ID_30: | |
2586 | ipr_log_sis64_fabric_error(ioa_cfg, hostrcb); | |
2587 | break; | |
cf852037 | 2588 | case IPR_HOST_RCB_OVERLAY_ID_1: |
1da177e4 | 2589 | case IPR_HOST_RCB_OVERLAY_ID_DEFAULT: |
1da177e4 | 2590 | default: |
a9cfca96 | 2591 | ipr_log_generic_error(ioa_cfg, hostrcb); |
1da177e4 LT |
2592 | break; |
2593 | } | |
2594 | } | |
2595 | ||
afc3f83c BK |
2596 | static struct ipr_hostrcb *ipr_get_free_hostrcb(struct ipr_ioa_cfg *ioa) |
2597 | { | |
2598 | struct ipr_hostrcb *hostrcb; | |
2599 | ||
2600 | hostrcb = list_first_entry_or_null(&ioa->hostrcb_free_q, | |
2601 | struct ipr_hostrcb, queue); | |
2602 | ||
2603 | if (unlikely(!hostrcb)) { | |
2604 | dev_info(&ioa->pdev->dev, "Reclaiming async error buffers."); | |
2605 | hostrcb = list_first_entry_or_null(&ioa->hostrcb_report_q, | |
2606 | struct ipr_hostrcb, queue); | |
2607 | } | |
2608 | ||
2609 | list_del_init(&hostrcb->queue); | |
2610 | return hostrcb; | |
2611 | } | |
2612 | ||
1da177e4 LT |
2613 | /** |
2614 | * ipr_process_error - Op done function for an adapter error log. | |
2615 | * @ipr_cmd: ipr command struct | |
2616 | * | |
2617 | * This function is the op done function for an error log host | |
2618 | * controlled async from the adapter. It will log the error and | |
2619 | * send the HCAM back to the adapter. | |
2620 | * | |
2621 | * Return value: | |
2622 | * none | |
2623 | **/ | |
2624 | static void ipr_process_error(struct ipr_cmnd *ipr_cmd) | |
2625 | { | |
2626 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
2627 | struct ipr_hostrcb *hostrcb = ipr_cmd->u.hostrcb; | |
96d21f00 | 2628 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
4565e370 WB |
2629 | u32 fd_ioasc; |
2630 | ||
2631 | if (ioa_cfg->sis64) | |
2632 | fd_ioasc = be32_to_cpu(hostrcb->hcam.u.error64.fd_ioasc); | |
2633 | else | |
2634 | fd_ioasc = be32_to_cpu(hostrcb->hcam.u.error.fd_ioasc); | |
1da177e4 | 2635 | |
afc3f83c | 2636 | list_del_init(&hostrcb->queue); |
05a6538a | 2637 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
1da177e4 LT |
2638 | |
2639 | if (!ioasc) { | |
2640 | ipr_handle_log_data(ioa_cfg, hostrcb); | |
65f56475 BK |
2641 | if (fd_ioasc == IPR_IOASC_NR_IOA_RESET_REQUIRED) |
2642 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_ABBREV); | |
4fdd7c7a BK |
2643 | } else if (ioasc != IPR_IOASC_IOA_WAS_RESET && |
2644 | ioasc != IPR_IOASC_ABORTED_CMD_TERM_BY_HOST) { | |
1da177e4 LT |
2645 | dev_err(&ioa_cfg->pdev->dev, |
2646 | "Host RCB failed with IOASC: 0x%08X\n", ioasc); | |
2647 | } | |
2648 | ||
afc3f83c | 2649 | list_add_tail(&hostrcb->queue, &ioa_cfg->hostrcb_report_q); |
8a4236a2 | 2650 | schedule_work(&ioa_cfg->work_q); |
afc3f83c | 2651 | hostrcb = ipr_get_free_hostrcb(ioa_cfg); |
afc3f83c | 2652 | |
1da177e4 LT |
2653 | ipr_send_hcam(ioa_cfg, IPR_HCAM_CDB_OP_CODE_LOG_DATA, hostrcb); |
2654 | } | |
2655 | ||
2656 | /** | |
2657 | * ipr_timeout - An internally generated op has timed out. | |
2658 | * @ipr_cmd: ipr command struct | |
2659 | * | |
2660 | * This function blocks host requests and initiates an | |
2661 | * adapter reset. | |
2662 | * | |
2663 | * Return value: | |
2664 | * none | |
2665 | **/ | |
738c6ec5 | 2666 | static void ipr_timeout(struct timer_list *t) |
1da177e4 | 2667 | { |
738c6ec5 | 2668 | struct ipr_cmnd *ipr_cmd = from_timer(ipr_cmd, t, timer); |
1da177e4 LT |
2669 | unsigned long lock_flags = 0; |
2670 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
2671 | ||
2672 | ENTER; | |
2673 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
2674 | ||
2675 | ioa_cfg->errors_logged++; | |
2676 | dev_err(&ioa_cfg->pdev->dev, | |
2677 | "Adapter being reset due to command timeout.\n"); | |
2678 | ||
2679 | if (WAIT_FOR_DUMP == ioa_cfg->sdt_state) | |
2680 | ioa_cfg->sdt_state = GET_DUMP; | |
2681 | ||
2682 | if (!ioa_cfg->in_reset_reload || ioa_cfg->reset_cmd == ipr_cmd) | |
2683 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); | |
2684 | ||
2685 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
2686 | LEAVE; | |
2687 | } | |
2688 | ||
2689 | /** | |
2690 | * ipr_oper_timeout - Adapter timed out transitioning to operational | |
2691 | * @ipr_cmd: ipr command struct | |
2692 | * | |
2693 | * This function blocks host requests and initiates an | |
2694 | * adapter reset. | |
2695 | * | |
2696 | * Return value: | |
2697 | * none | |
2698 | **/ | |
738c6ec5 | 2699 | static void ipr_oper_timeout(struct timer_list *t) |
1da177e4 | 2700 | { |
738c6ec5 | 2701 | struct ipr_cmnd *ipr_cmd = from_timer(ipr_cmd, t, timer); |
1da177e4 LT |
2702 | unsigned long lock_flags = 0; |
2703 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
2704 | ||
2705 | ENTER; | |
2706 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
2707 | ||
2708 | ioa_cfg->errors_logged++; | |
2709 | dev_err(&ioa_cfg->pdev->dev, | |
2710 | "Adapter timed out transitioning to operational.\n"); | |
2711 | ||
2712 | if (WAIT_FOR_DUMP == ioa_cfg->sdt_state) | |
2713 | ioa_cfg->sdt_state = GET_DUMP; | |
2714 | ||
2715 | if (!ioa_cfg->in_reset_reload || ioa_cfg->reset_cmd == ipr_cmd) { | |
2716 | if (ipr_fastfail) | |
2717 | ioa_cfg->reset_retries += IPR_NUM_RESET_RELOAD_RETRIES; | |
2718 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); | |
2719 | } | |
2720 | ||
2721 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
2722 | LEAVE; | |
2723 | } | |
2724 | ||
1da177e4 LT |
2725 | /** |
2726 | * ipr_find_ses_entry - Find matching SES in SES table | |
2727 | * @res: resource entry struct of SES | |
2728 | * | |
2729 | * Return value: | |
2730 | * pointer to SES table entry / NULL on failure | |
2731 | **/ | |
2732 | static const struct ipr_ses_table_entry * | |
2733 | ipr_find_ses_entry(struct ipr_resource_entry *res) | |
2734 | { | |
2735 | int i, j, matches; | |
3e7ebdfa | 2736 | struct ipr_std_inq_vpids *vpids; |
1da177e4 LT |
2737 | const struct ipr_ses_table_entry *ste = ipr_ses_table; |
2738 | ||
2739 | for (i = 0; i < ARRAY_SIZE(ipr_ses_table); i++, ste++) { | |
2740 | for (j = 0, matches = 0; j < IPR_PROD_ID_LEN; j++) { | |
2741 | if (ste->compare_product_id_byte[j] == 'X') { | |
3e7ebdfa WB |
2742 | vpids = &res->std_inq_data.vpids; |
2743 | if (vpids->product_id[j] == ste->product_id[j]) | |
1da177e4 LT |
2744 | matches++; |
2745 | else | |
2746 | break; | |
2747 | } else | |
2748 | matches++; | |
2749 | } | |
2750 | ||
2751 | if (matches == IPR_PROD_ID_LEN) | |
2752 | return ste; | |
2753 | } | |
2754 | ||
2755 | return NULL; | |
2756 | } | |
2757 | ||
2758 | /** | |
2759 | * ipr_get_max_scsi_speed - Determine max SCSI speed for a given bus | |
2760 | * @ioa_cfg: ioa config struct | |
2761 | * @bus: SCSI bus | |
2762 | * @bus_width: bus width | |
2763 | * | |
2764 | * Return value: | |
2765 | * SCSI bus speed in units of 100KHz, 1600 is 160 MHz | |
2766 | * For a 2-byte wide SCSI bus, the maximum transfer speed is | |
2767 | * twice the maximum transfer rate (e.g. for a wide enabled bus, | |
2768 | * max 160MHz = max 320MB/sec). | |
2769 | **/ | |
2770 | static u32 ipr_get_max_scsi_speed(struct ipr_ioa_cfg *ioa_cfg, u8 bus, u8 bus_width) | |
2771 | { | |
2772 | struct ipr_resource_entry *res; | |
2773 | const struct ipr_ses_table_entry *ste; | |
2774 | u32 max_xfer_rate = IPR_MAX_SCSI_RATE(bus_width); | |
2775 | ||
2776 | /* Loop through each config table entry in the config table buffer */ | |
2777 | list_for_each_entry(res, &ioa_cfg->used_res_q, queue) { | |
3e7ebdfa | 2778 | if (!(IPR_IS_SES_DEVICE(res->std_inq_data))) |
1da177e4 LT |
2779 | continue; |
2780 | ||
3e7ebdfa | 2781 | if (bus != res->bus) |
1da177e4 LT |
2782 | continue; |
2783 | ||
2784 | if (!(ste = ipr_find_ses_entry(res))) | |
2785 | continue; | |
2786 | ||
2787 | max_xfer_rate = (ste->max_bus_speed_limit * 10) / (bus_width / 8); | |
2788 | } | |
2789 | ||
2790 | return max_xfer_rate; | |
2791 | } | |
2792 | ||
2793 | /** | |
2794 | * ipr_wait_iodbg_ack - Wait for an IODEBUG ACK from the IOA | |
2795 | * @ioa_cfg: ioa config struct | |
2796 | * @max_delay: max delay in micro-seconds to wait | |
2797 | * | |
2798 | * Waits for an IODEBUG ACK from the IOA, doing busy looping. | |
2799 | * | |
2800 | * Return value: | |
2801 | * 0 on success / other on failure | |
2802 | **/ | |
2803 | static int ipr_wait_iodbg_ack(struct ipr_ioa_cfg *ioa_cfg, int max_delay) | |
2804 | { | |
2805 | volatile u32 pcii_reg; | |
2806 | int delay = 1; | |
2807 | ||
2808 | /* Read interrupt reg until IOA signals IO Debug Acknowledge */ | |
2809 | while (delay < max_delay) { | |
2810 | pcii_reg = readl(ioa_cfg->regs.sense_interrupt_reg); | |
2811 | ||
2812 | if (pcii_reg & IPR_PCII_IO_DEBUG_ACKNOWLEDGE) | |
2813 | return 0; | |
2814 | ||
2815 | /* udelay cannot be used if delay is more than a few milliseconds */ | |
2816 | if ((delay / 1000) > MAX_UDELAY_MS) | |
2817 | mdelay(delay / 1000); | |
2818 | else | |
2819 | udelay(delay); | |
2820 | ||
2821 | delay += delay; | |
2822 | } | |
2823 | return -EIO; | |
2824 | } | |
2825 | ||
dcbad00e WB |
2826 | /** |
2827 | * ipr_get_sis64_dump_data_section - Dump IOA memory | |
2828 | * @ioa_cfg: ioa config struct | |
2829 | * @start_addr: adapter address to dump | |
2830 | * @dest: destination kernel buffer | |
2831 | * @length_in_words: length to dump in 4 byte words | |
2832 | * | |
2833 | * Return value: | |
2834 | * 0 on success | |
2835 | **/ | |
2836 | static int ipr_get_sis64_dump_data_section(struct ipr_ioa_cfg *ioa_cfg, | |
2837 | u32 start_addr, | |
2838 | __be32 *dest, u32 length_in_words) | |
2839 | { | |
2840 | int i; | |
2841 | ||
2842 | for (i = 0; i < length_in_words; i++) { | |
2843 | writel(start_addr+(i*4), ioa_cfg->regs.dump_addr_reg); | |
2844 | *dest = cpu_to_be32(readl(ioa_cfg->regs.dump_data_reg)); | |
2845 | dest++; | |
2846 | } | |
2847 | ||
2848 | return 0; | |
2849 | } | |
2850 | ||
1da177e4 LT |
2851 | /** |
2852 | * ipr_get_ldump_data_section - Dump IOA memory | |
2853 | * @ioa_cfg: ioa config struct | |
2854 | * @start_addr: adapter address to dump | |
2855 | * @dest: destination kernel buffer | |
2856 | * @length_in_words: length to dump in 4 byte words | |
2857 | * | |
2858 | * Return value: | |
2859 | * 0 on success / -EIO on failure | |
2860 | **/ | |
2861 | static int ipr_get_ldump_data_section(struct ipr_ioa_cfg *ioa_cfg, | |
2862 | u32 start_addr, | |
2863 | __be32 *dest, u32 length_in_words) | |
2864 | { | |
2865 | volatile u32 temp_pcii_reg; | |
2866 | int i, delay = 0; | |
2867 | ||
dcbad00e WB |
2868 | if (ioa_cfg->sis64) |
2869 | return ipr_get_sis64_dump_data_section(ioa_cfg, start_addr, | |
2870 | dest, length_in_words); | |
2871 | ||
1da177e4 LT |
2872 | /* Write IOA interrupt reg starting LDUMP state */ |
2873 | writel((IPR_UPROCI_RESET_ALERT | IPR_UPROCI_IO_DEBUG_ALERT), | |
214777ba | 2874 | ioa_cfg->regs.set_uproc_interrupt_reg32); |
1da177e4 LT |
2875 | |
2876 | /* Wait for IO debug acknowledge */ | |
2877 | if (ipr_wait_iodbg_ack(ioa_cfg, | |
2878 | IPR_LDUMP_MAX_LONG_ACK_DELAY_IN_USEC)) { | |
2879 | dev_err(&ioa_cfg->pdev->dev, | |
2880 | "IOA dump long data transfer timeout\n"); | |
2881 | return -EIO; | |
2882 | } | |
2883 | ||
2884 | /* Signal LDUMP interlocked - clear IO debug ack */ | |
2885 | writel(IPR_PCII_IO_DEBUG_ACKNOWLEDGE, | |
2886 | ioa_cfg->regs.clr_interrupt_reg); | |
2887 | ||
2888 | /* Write Mailbox with starting address */ | |
2889 | writel(start_addr, ioa_cfg->ioa_mailbox); | |
2890 | ||
2891 | /* Signal address valid - clear IOA Reset alert */ | |
2892 | writel(IPR_UPROCI_RESET_ALERT, | |
214777ba | 2893 | ioa_cfg->regs.clr_uproc_interrupt_reg32); |
1da177e4 LT |
2894 | |
2895 | for (i = 0; i < length_in_words; i++) { | |
2896 | /* Wait for IO debug acknowledge */ | |
2897 | if (ipr_wait_iodbg_ack(ioa_cfg, | |
2898 | IPR_LDUMP_MAX_SHORT_ACK_DELAY_IN_USEC)) { | |
2899 | dev_err(&ioa_cfg->pdev->dev, | |
2900 | "IOA dump short data transfer timeout\n"); | |
2901 | return -EIO; | |
2902 | } | |
2903 | ||
2904 | /* Read data from mailbox and increment destination pointer */ | |
2905 | *dest = cpu_to_be32(readl(ioa_cfg->ioa_mailbox)); | |
2906 | dest++; | |
2907 | ||
2908 | /* For all but the last word of data, signal data received */ | |
2909 | if (i < (length_in_words - 1)) { | |
2910 | /* Signal dump data received - Clear IO debug Ack */ | |
2911 | writel(IPR_PCII_IO_DEBUG_ACKNOWLEDGE, | |
2912 | ioa_cfg->regs.clr_interrupt_reg); | |
2913 | } | |
2914 | } | |
2915 | ||
2916 | /* Signal end of block transfer. Set reset alert then clear IO debug ack */ | |
2917 | writel(IPR_UPROCI_RESET_ALERT, | |
214777ba | 2918 | ioa_cfg->regs.set_uproc_interrupt_reg32); |
1da177e4 LT |
2919 | |
2920 | writel(IPR_UPROCI_IO_DEBUG_ALERT, | |
214777ba | 2921 | ioa_cfg->regs.clr_uproc_interrupt_reg32); |
1da177e4 LT |
2922 | |
2923 | /* Signal dump data received - Clear IO debug Ack */ | |
2924 | writel(IPR_PCII_IO_DEBUG_ACKNOWLEDGE, | |
2925 | ioa_cfg->regs.clr_interrupt_reg); | |
2926 | ||
2927 | /* Wait for IOA to signal LDUMP exit - IOA reset alert will be cleared */ | |
2928 | while (delay < IPR_LDUMP_MAX_SHORT_ACK_DELAY_IN_USEC) { | |
2929 | temp_pcii_reg = | |
214777ba | 2930 | readl(ioa_cfg->regs.sense_uproc_interrupt_reg32); |
1da177e4 LT |
2931 | |
2932 | if (!(temp_pcii_reg & IPR_UPROCI_RESET_ALERT)) | |
2933 | return 0; | |
2934 | ||
2935 | udelay(10); | |
2936 | delay += 10; | |
2937 | } | |
2938 | ||
2939 | return 0; | |
2940 | } | |
2941 | ||
2942 | #ifdef CONFIG_SCSI_IPR_DUMP | |
2943 | /** | |
2944 | * ipr_sdt_copy - Copy Smart Dump Table to kernel buffer | |
2945 | * @ioa_cfg: ioa config struct | |
2946 | * @pci_address: adapter address | |
2947 | * @length: length of data to copy | |
2948 | * | |
2949 | * Copy data from PCI adapter to kernel buffer. | |
2950 | * Note: length MUST be a 4 byte multiple | |
2951 | * Return value: | |
2952 | * 0 on success / other on failure | |
2953 | **/ | |
2954 | static int ipr_sdt_copy(struct ipr_ioa_cfg *ioa_cfg, | |
2955 | unsigned long pci_address, u32 length) | |
2956 | { | |
2957 | int bytes_copied = 0; | |
4d4dd706 | 2958 | int cur_len, rc, rem_len, rem_page_len, max_dump_size; |
1da177e4 LT |
2959 | __be32 *page; |
2960 | unsigned long lock_flags = 0; | |
2961 | struct ipr_ioa_dump *ioa_dump = &ioa_cfg->dump->ioa_dump; | |
2962 | ||
4d4dd706 KSS |
2963 | if (ioa_cfg->sis64) |
2964 | max_dump_size = IPR_FMT3_MAX_IOA_DUMP_SIZE; | |
2965 | else | |
2966 | max_dump_size = IPR_FMT2_MAX_IOA_DUMP_SIZE; | |
2967 | ||
1da177e4 | 2968 | while (bytes_copied < length && |
4d4dd706 | 2969 | (ioa_dump->hdr.len + bytes_copied) < max_dump_size) { |
1da177e4 LT |
2970 | if (ioa_dump->page_offset >= PAGE_SIZE || |
2971 | ioa_dump->page_offset == 0) { | |
2972 | page = (__be32 *)__get_free_page(GFP_ATOMIC); | |
2973 | ||
2974 | if (!page) { | |
2975 | ipr_trace; | |
2976 | return bytes_copied; | |
2977 | } | |
2978 | ||
2979 | ioa_dump->page_offset = 0; | |
2980 | ioa_dump->ioa_data[ioa_dump->next_page_index] = page; | |
2981 | ioa_dump->next_page_index++; | |
2982 | } else | |
2983 | page = ioa_dump->ioa_data[ioa_dump->next_page_index - 1]; | |
2984 | ||
2985 | rem_len = length - bytes_copied; | |
2986 | rem_page_len = PAGE_SIZE - ioa_dump->page_offset; | |
2987 | cur_len = min(rem_len, rem_page_len); | |
2988 | ||
2989 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
2990 | if (ioa_cfg->sdt_state == ABORT_DUMP) { | |
2991 | rc = -EIO; | |
2992 | } else { | |
2993 | rc = ipr_get_ldump_data_section(ioa_cfg, | |
2994 | pci_address + bytes_copied, | |
2995 | &page[ioa_dump->page_offset / 4], | |
2996 | (cur_len / sizeof(u32))); | |
2997 | } | |
2998 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
2999 | ||
3000 | if (!rc) { | |
3001 | ioa_dump->page_offset += cur_len; | |
3002 | bytes_copied += cur_len; | |
3003 | } else { | |
3004 | ipr_trace; | |
3005 | break; | |
3006 | } | |
3007 | schedule(); | |
3008 | } | |
3009 | ||
3010 | return bytes_copied; | |
3011 | } | |
3012 | ||
3013 | /** | |
3014 | * ipr_init_dump_entry_hdr - Initialize a dump entry header. | |
3015 | * @hdr: dump entry header struct | |
3016 | * | |
3017 | * Return value: | |
3018 | * nothing | |
3019 | **/ | |
3020 | static void ipr_init_dump_entry_hdr(struct ipr_dump_entry_header *hdr) | |
3021 | { | |
3022 | hdr->eye_catcher = IPR_DUMP_EYE_CATCHER; | |
3023 | hdr->num_elems = 1; | |
3024 | hdr->offset = sizeof(*hdr); | |
3025 | hdr->status = IPR_DUMP_STATUS_SUCCESS; | |
3026 | } | |
3027 | ||
3028 | /** | |
3029 | * ipr_dump_ioa_type_data - Fill in the adapter type in the dump. | |
3030 | * @ioa_cfg: ioa config struct | |
3031 | * @driver_dump: driver dump struct | |
3032 | * | |
3033 | * Return value: | |
3034 | * nothing | |
3035 | **/ | |
3036 | static void ipr_dump_ioa_type_data(struct ipr_ioa_cfg *ioa_cfg, | |
3037 | struct ipr_driver_dump *driver_dump) | |
3038 | { | |
3039 | struct ipr_inquiry_page3 *ucode_vpd = &ioa_cfg->vpd_cbs->page3_data; | |
3040 | ||
3041 | ipr_init_dump_entry_hdr(&driver_dump->ioa_type_entry.hdr); | |
3042 | driver_dump->ioa_type_entry.hdr.len = | |
3043 | sizeof(struct ipr_dump_ioa_type_entry) - | |
3044 | sizeof(struct ipr_dump_entry_header); | |
3045 | driver_dump->ioa_type_entry.hdr.data_type = IPR_DUMP_DATA_TYPE_BINARY; | |
3046 | driver_dump->ioa_type_entry.hdr.id = IPR_DUMP_DRIVER_TYPE_ID; | |
3047 | driver_dump->ioa_type_entry.type = ioa_cfg->type; | |
3048 | driver_dump->ioa_type_entry.fw_version = (ucode_vpd->major_release << 24) | | |
3049 | (ucode_vpd->card_type << 16) | (ucode_vpd->minor_release[0] << 8) | | |
3050 | ucode_vpd->minor_release[1]; | |
3051 | driver_dump->hdr.num_entries++; | |
3052 | } | |
3053 | ||
3054 | /** | |
3055 | * ipr_dump_version_data - Fill in the driver version in the dump. | |
3056 | * @ioa_cfg: ioa config struct | |
3057 | * @driver_dump: driver dump struct | |
3058 | * | |
3059 | * Return value: | |
3060 | * nothing | |
3061 | **/ | |
3062 | static void ipr_dump_version_data(struct ipr_ioa_cfg *ioa_cfg, | |
3063 | struct ipr_driver_dump *driver_dump) | |
3064 | { | |
3065 | ipr_init_dump_entry_hdr(&driver_dump->version_entry.hdr); | |
3066 | driver_dump->version_entry.hdr.len = | |
3067 | sizeof(struct ipr_dump_version_entry) - | |
3068 | sizeof(struct ipr_dump_entry_header); | |
3069 | driver_dump->version_entry.hdr.data_type = IPR_DUMP_DATA_TYPE_ASCII; | |
3070 | driver_dump->version_entry.hdr.id = IPR_DUMP_DRIVER_VERSION_ID; | |
3071 | strcpy(driver_dump->version_entry.version, IPR_DRIVER_VERSION); | |
3072 | driver_dump->hdr.num_entries++; | |
3073 | } | |
3074 | ||
3075 | /** | |
3076 | * ipr_dump_trace_data - Fill in the IOA trace in the dump. | |
3077 | * @ioa_cfg: ioa config struct | |
3078 | * @driver_dump: driver dump struct | |
3079 | * | |
3080 | * Return value: | |
3081 | * nothing | |
3082 | **/ | |
3083 | static void ipr_dump_trace_data(struct ipr_ioa_cfg *ioa_cfg, | |
3084 | struct ipr_driver_dump *driver_dump) | |
3085 | { | |
3086 | ipr_init_dump_entry_hdr(&driver_dump->trace_entry.hdr); | |
3087 | driver_dump->trace_entry.hdr.len = | |
3088 | sizeof(struct ipr_dump_trace_entry) - | |
3089 | sizeof(struct ipr_dump_entry_header); | |
3090 | driver_dump->trace_entry.hdr.data_type = IPR_DUMP_DATA_TYPE_BINARY; | |
3091 | driver_dump->trace_entry.hdr.id = IPR_DUMP_TRACE_ID; | |
3092 | memcpy(driver_dump->trace_entry.trace, ioa_cfg->trace, IPR_TRACE_SIZE); | |
3093 | driver_dump->hdr.num_entries++; | |
3094 | } | |
3095 | ||
3096 | /** | |
3097 | * ipr_dump_location_data - Fill in the IOA location in the dump. | |
3098 | * @ioa_cfg: ioa config struct | |
3099 | * @driver_dump: driver dump struct | |
3100 | * | |
3101 | * Return value: | |
3102 | * nothing | |
3103 | **/ | |
3104 | static void ipr_dump_location_data(struct ipr_ioa_cfg *ioa_cfg, | |
3105 | struct ipr_driver_dump *driver_dump) | |
3106 | { | |
3107 | ipr_init_dump_entry_hdr(&driver_dump->location_entry.hdr); | |
3108 | driver_dump->location_entry.hdr.len = | |
3109 | sizeof(struct ipr_dump_location_entry) - | |
3110 | sizeof(struct ipr_dump_entry_header); | |
3111 | driver_dump->location_entry.hdr.data_type = IPR_DUMP_DATA_TYPE_ASCII; | |
3112 | driver_dump->location_entry.hdr.id = IPR_DUMP_LOCATION_ID; | |
71610f55 | 3113 | strcpy(driver_dump->location_entry.location, dev_name(&ioa_cfg->pdev->dev)); |
1da177e4 LT |
3114 | driver_dump->hdr.num_entries++; |
3115 | } | |
3116 | ||
3117 | /** | |
3118 | * ipr_get_ioa_dump - Perform a dump of the driver and adapter. | |
3119 | * @ioa_cfg: ioa config struct | |
3120 | * @dump: dump struct | |
3121 | * | |
3122 | * Return value: | |
3123 | * nothing | |
3124 | **/ | |
3125 | static void ipr_get_ioa_dump(struct ipr_ioa_cfg *ioa_cfg, struct ipr_dump *dump) | |
3126 | { | |
3127 | unsigned long start_addr, sdt_word; | |
3128 | unsigned long lock_flags = 0; | |
3129 | struct ipr_driver_dump *driver_dump = &dump->driver_dump; | |
3130 | struct ipr_ioa_dump *ioa_dump = &dump->ioa_dump; | |
4d4dd706 KSS |
3131 | u32 num_entries, max_num_entries, start_off, end_off; |
3132 | u32 max_dump_size, bytes_to_copy, bytes_copied, rc; | |
1da177e4 | 3133 | struct ipr_sdt *sdt; |
dcbad00e | 3134 | int valid = 1; |
1da177e4 LT |
3135 | int i; |
3136 | ||
3137 | ENTER; | |
3138 | ||
3139 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3140 | ||
41e9a696 | 3141 | if (ioa_cfg->sdt_state != READ_DUMP) { |
1da177e4 LT |
3142 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
3143 | return; | |
3144 | } | |
3145 | ||
110def85 WB |
3146 | if (ioa_cfg->sis64) { |
3147 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3148 | ssleep(IPR_DUMP_DELAY_SECONDS); | |
3149 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3150 | } | |
3151 | ||
1da177e4 LT |
3152 | start_addr = readl(ioa_cfg->ioa_mailbox); |
3153 | ||
dcbad00e | 3154 | if (!ioa_cfg->sis64 && !ipr_sdt_is_fmt2(start_addr)) { |
1da177e4 LT |
3155 | dev_err(&ioa_cfg->pdev->dev, |
3156 | "Invalid dump table format: %lx\n", start_addr); | |
3157 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3158 | return; | |
3159 | } | |
3160 | ||
3161 | dev_err(&ioa_cfg->pdev->dev, "Dump of IOA initiated\n"); | |
3162 | ||
3163 | driver_dump->hdr.eye_catcher = IPR_DUMP_EYE_CATCHER; | |
3164 | ||
3165 | /* Initialize the overall dump header */ | |
3166 | driver_dump->hdr.len = sizeof(struct ipr_driver_dump); | |
3167 | driver_dump->hdr.num_entries = 1; | |
3168 | driver_dump->hdr.first_entry_offset = sizeof(struct ipr_dump_header); | |
3169 | driver_dump->hdr.status = IPR_DUMP_STATUS_SUCCESS; | |
3170 | driver_dump->hdr.os = IPR_DUMP_OS_LINUX; | |
3171 | driver_dump->hdr.driver_name = IPR_DUMP_DRIVER_NAME; | |
3172 | ||
3173 | ipr_dump_version_data(ioa_cfg, driver_dump); | |
3174 | ipr_dump_location_data(ioa_cfg, driver_dump); | |
3175 | ipr_dump_ioa_type_data(ioa_cfg, driver_dump); | |
3176 | ipr_dump_trace_data(ioa_cfg, driver_dump); | |
3177 | ||
3178 | /* Update dump_header */ | |
3179 | driver_dump->hdr.len += sizeof(struct ipr_dump_entry_header); | |
3180 | ||
3181 | /* IOA Dump entry */ | |
3182 | ipr_init_dump_entry_hdr(&ioa_dump->hdr); | |
1da177e4 LT |
3183 | ioa_dump->hdr.len = 0; |
3184 | ioa_dump->hdr.data_type = IPR_DUMP_DATA_TYPE_BINARY; | |
3185 | ioa_dump->hdr.id = IPR_DUMP_IOA_DUMP_ID; | |
3186 | ||
3187 | /* First entries in sdt are actually a list of dump addresses and | |
3188 | lengths to gather the real dump data. sdt represents the pointer | |
3189 | to the ioa generated dump table. Dump data will be extracted based | |
3190 | on entries in this table */ | |
3191 | sdt = &ioa_dump->sdt; | |
3192 | ||
4d4dd706 KSS |
3193 | if (ioa_cfg->sis64) { |
3194 | max_num_entries = IPR_FMT3_NUM_SDT_ENTRIES; | |
3195 | max_dump_size = IPR_FMT3_MAX_IOA_DUMP_SIZE; | |
3196 | } else { | |
3197 | max_num_entries = IPR_FMT2_NUM_SDT_ENTRIES; | |
3198 | max_dump_size = IPR_FMT2_MAX_IOA_DUMP_SIZE; | |
3199 | } | |
3200 | ||
3201 | bytes_to_copy = offsetof(struct ipr_sdt, entry) + | |
3202 | (max_num_entries * sizeof(struct ipr_sdt_entry)); | |
1da177e4 | 3203 | rc = ipr_get_ldump_data_section(ioa_cfg, start_addr, (__be32 *)sdt, |
4d4dd706 | 3204 | bytes_to_copy / sizeof(__be32)); |
1da177e4 LT |
3205 | |
3206 | /* Smart Dump table is ready to use and the first entry is valid */ | |
dcbad00e WB |
3207 | if (rc || ((be32_to_cpu(sdt->hdr.state) != IPR_FMT3_SDT_READY_TO_USE) && |
3208 | (be32_to_cpu(sdt->hdr.state) != IPR_FMT2_SDT_READY_TO_USE))) { | |
1da177e4 LT |
3209 | dev_err(&ioa_cfg->pdev->dev, |
3210 | "Dump of IOA failed. Dump table not valid: %d, %X.\n", | |
3211 | rc, be32_to_cpu(sdt->hdr.state)); | |
3212 | driver_dump->hdr.status = IPR_DUMP_STATUS_FAILED; | |
3213 | ioa_cfg->sdt_state = DUMP_OBTAINED; | |
3214 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3215 | return; | |
3216 | } | |
3217 | ||
3218 | num_entries = be32_to_cpu(sdt->hdr.num_entries_used); | |
3219 | ||
4d4dd706 KSS |
3220 | if (num_entries > max_num_entries) |
3221 | num_entries = max_num_entries; | |
3222 | ||
3223 | /* Update dump length to the actual data to be copied */ | |
3224 | dump->driver_dump.hdr.len += sizeof(struct ipr_sdt_header); | |
3225 | if (ioa_cfg->sis64) | |
3226 | dump->driver_dump.hdr.len += num_entries * sizeof(struct ipr_sdt_entry); | |
3227 | else | |
3228 | dump->driver_dump.hdr.len += max_num_entries * sizeof(struct ipr_sdt_entry); | |
1da177e4 LT |
3229 | |
3230 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3231 | ||
3232 | for (i = 0; i < num_entries; i++) { | |
4d4dd706 | 3233 | if (ioa_dump->hdr.len > max_dump_size) { |
1da177e4 LT |
3234 | driver_dump->hdr.status = IPR_DUMP_STATUS_QUAL_SUCCESS; |
3235 | break; | |
3236 | } | |
3237 | ||
3238 | if (sdt->entry[i].flags & IPR_SDT_VALID_ENTRY) { | |
dcbad00e WB |
3239 | sdt_word = be32_to_cpu(sdt->entry[i].start_token); |
3240 | if (ioa_cfg->sis64) | |
3241 | bytes_to_copy = be32_to_cpu(sdt->entry[i].end_token); | |
3242 | else { | |
3243 | start_off = sdt_word & IPR_FMT2_MBX_ADDR_MASK; | |
3244 | end_off = be32_to_cpu(sdt->entry[i].end_token); | |
3245 | ||
3246 | if (ipr_sdt_is_fmt2(sdt_word) && sdt_word) | |
3247 | bytes_to_copy = end_off - start_off; | |
3248 | else | |
3249 | valid = 0; | |
3250 | } | |
3251 | if (valid) { | |
4d4dd706 | 3252 | if (bytes_to_copy > max_dump_size) { |
1da177e4 LT |
3253 | sdt->entry[i].flags &= ~IPR_SDT_VALID_ENTRY; |
3254 | continue; | |
3255 | } | |
3256 | ||
3257 | /* Copy data from adapter to driver buffers */ | |
3258 | bytes_copied = ipr_sdt_copy(ioa_cfg, sdt_word, | |
3259 | bytes_to_copy); | |
3260 | ||
3261 | ioa_dump->hdr.len += bytes_copied; | |
3262 | ||
3263 | if (bytes_copied != bytes_to_copy) { | |
3264 | driver_dump->hdr.status = IPR_DUMP_STATUS_QUAL_SUCCESS; | |
3265 | break; | |
3266 | } | |
3267 | } | |
3268 | } | |
3269 | } | |
3270 | ||
3271 | dev_err(&ioa_cfg->pdev->dev, "Dump of IOA completed.\n"); | |
3272 | ||
3273 | /* Update dump_header */ | |
3274 | driver_dump->hdr.len += ioa_dump->hdr.len; | |
3275 | wmb(); | |
3276 | ioa_cfg->sdt_state = DUMP_OBTAINED; | |
3277 | LEAVE; | |
3278 | } | |
3279 | ||
3280 | #else | |
203fa3fe | 3281 | #define ipr_get_ioa_dump(ioa_cfg, dump) do { } while (0) |
1da177e4 LT |
3282 | #endif |
3283 | ||
3284 | /** | |
3285 | * ipr_release_dump - Free adapter dump memory | |
3286 | * @kref: kref struct | |
3287 | * | |
3288 | * Return value: | |
3289 | * nothing | |
3290 | **/ | |
3291 | static void ipr_release_dump(struct kref *kref) | |
3292 | { | |
203fa3fe | 3293 | struct ipr_dump *dump = container_of(kref, struct ipr_dump, kref); |
1da177e4 LT |
3294 | struct ipr_ioa_cfg *ioa_cfg = dump->ioa_cfg; |
3295 | unsigned long lock_flags = 0; | |
3296 | int i; | |
3297 | ||
3298 | ENTER; | |
3299 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3300 | ioa_cfg->dump = NULL; | |
3301 | ioa_cfg->sdt_state = INACTIVE; | |
3302 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3303 | ||
3304 | for (i = 0; i < dump->ioa_dump.next_page_index; i++) | |
3305 | free_page((unsigned long) dump->ioa_dump.ioa_data[i]); | |
3306 | ||
4d4dd706 | 3307 | vfree(dump->ioa_dump.ioa_data); |
1da177e4 LT |
3308 | kfree(dump); |
3309 | LEAVE; | |
3310 | } | |
3311 | ||
3312 | /** | |
3313 | * ipr_worker_thread - Worker thread | |
c4028958 | 3314 | * @work: ioa config struct |
1da177e4 LT |
3315 | * |
3316 | * Called at task level from a work thread. This function takes care | |
3317 | * of adding and removing device from the mid-layer as configuration | |
3318 | * changes are detected by the adapter. | |
3319 | * | |
3320 | * Return value: | |
3321 | * nothing | |
3322 | **/ | |
c4028958 | 3323 | static void ipr_worker_thread(struct work_struct *work) |
1da177e4 LT |
3324 | { |
3325 | unsigned long lock_flags; | |
3326 | struct ipr_resource_entry *res; | |
3327 | struct scsi_device *sdev; | |
3328 | struct ipr_dump *dump; | |
c4028958 DH |
3329 | struct ipr_ioa_cfg *ioa_cfg = |
3330 | container_of(work, struct ipr_ioa_cfg, work_q); | |
1da177e4 LT |
3331 | u8 bus, target, lun; |
3332 | int did_work; | |
3333 | ||
3334 | ENTER; | |
3335 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3336 | ||
41e9a696 | 3337 | if (ioa_cfg->sdt_state == READ_DUMP) { |
1da177e4 LT |
3338 | dump = ioa_cfg->dump; |
3339 | if (!dump) { | |
3340 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3341 | return; | |
3342 | } | |
3343 | kref_get(&dump->kref); | |
3344 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3345 | ipr_get_ioa_dump(ioa_cfg, dump); | |
3346 | kref_put(&dump->kref, ipr_release_dump); | |
3347 | ||
3348 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4c647e90 | 3349 | if (ioa_cfg->sdt_state == DUMP_OBTAINED && !ioa_cfg->dump_timeout) |
1da177e4 LT |
3350 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); |
3351 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3352 | return; | |
3353 | } | |
3354 | ||
b0e17a9b BK |
3355 | if (ioa_cfg->scsi_unblock) { |
3356 | ioa_cfg->scsi_unblock = 0; | |
3357 | ioa_cfg->scsi_blocked = 0; | |
3358 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3359 | scsi_unblock_requests(ioa_cfg->host); | |
3360 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3361 | if (ioa_cfg->scsi_blocked) | |
3362 | scsi_block_requests(ioa_cfg->host); | |
3363 | } | |
3364 | ||
b195d5e2 BK |
3365 | if (!ioa_cfg->scan_enabled) { |
3366 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3367 | return; | |
3368 | } | |
3369 | ||
1da177e4 LT |
3370 | restart: |
3371 | do { | |
3372 | did_work = 0; | |
f688f96d | 3373 | if (!ioa_cfg->hrrq[IPR_INIT_HRRQ].allow_cmds) { |
1da177e4 LT |
3374 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
3375 | return; | |
3376 | } | |
3377 | ||
3378 | list_for_each_entry(res, &ioa_cfg->used_res_q, queue) { | |
3379 | if (res->del_from_ml && res->sdev) { | |
3380 | did_work = 1; | |
3381 | sdev = res->sdev; | |
3382 | if (!scsi_device_get(sdev)) { | |
5767a1c4 KSS |
3383 | if (!res->add_to_ml) |
3384 | list_move_tail(&res->queue, &ioa_cfg->free_res_q); | |
3385 | else | |
3386 | res->del_from_ml = 0; | |
1da177e4 LT |
3387 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
3388 | scsi_remove_device(sdev); | |
3389 | scsi_device_put(sdev); | |
3390 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3391 | } | |
3392 | break; | |
3393 | } | |
3394 | } | |
203fa3fe | 3395 | } while (did_work); |
1da177e4 LT |
3396 | |
3397 | list_for_each_entry(res, &ioa_cfg->used_res_q, queue) { | |
3398 | if (res->add_to_ml) { | |
3e7ebdfa WB |
3399 | bus = res->bus; |
3400 | target = res->target; | |
3401 | lun = res->lun; | |
1121b794 | 3402 | res->add_to_ml = 0; |
1da177e4 LT |
3403 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
3404 | scsi_add_device(ioa_cfg->host, bus, target, lun); | |
3405 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3406 | goto restart; | |
3407 | } | |
3408 | } | |
3409 | ||
f688f96d | 3410 | ioa_cfg->scan_done = 1; |
1da177e4 | 3411 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
ee959b00 | 3412 | kobject_uevent(&ioa_cfg->host->shost_dev.kobj, KOBJ_CHANGE); |
1da177e4 LT |
3413 | LEAVE; |
3414 | } | |
3415 | ||
3416 | #ifdef CONFIG_SCSI_IPR_TRACE | |
3417 | /** | |
3418 | * ipr_read_trace - Dump the adapter trace | |
2c3c8bea | 3419 | * @filp: open sysfs file |
1da177e4 | 3420 | * @kobj: kobject struct |
91a69029 | 3421 | * @bin_attr: bin_attribute struct |
1da177e4 LT |
3422 | * @buf: buffer |
3423 | * @off: offset | |
3424 | * @count: buffer size | |
3425 | * | |
3426 | * Return value: | |
3427 | * number of bytes printed to buffer | |
3428 | **/ | |
2c3c8bea | 3429 | static ssize_t ipr_read_trace(struct file *filp, struct kobject *kobj, |
91a69029 ZR |
3430 | struct bin_attribute *bin_attr, |
3431 | char *buf, loff_t off, size_t count) | |
1da177e4 | 3432 | { |
ee959b00 TJ |
3433 | struct device *dev = container_of(kobj, struct device, kobj); |
3434 | struct Scsi_Host *shost = class_to_shost(dev); | |
1da177e4 LT |
3435 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
3436 | unsigned long lock_flags = 0; | |
d777aaf3 | 3437 | ssize_t ret; |
1da177e4 LT |
3438 | |
3439 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
d777aaf3 AM |
3440 | ret = memory_read_from_buffer(buf, count, &off, ioa_cfg->trace, |
3441 | IPR_TRACE_SIZE); | |
1da177e4 | 3442 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
d777aaf3 AM |
3443 | |
3444 | return ret; | |
1da177e4 LT |
3445 | } |
3446 | ||
3447 | static struct bin_attribute ipr_trace_attr = { | |
3448 | .attr = { | |
3449 | .name = "trace", | |
3450 | .mode = S_IRUGO, | |
3451 | }, | |
3452 | .size = 0, | |
3453 | .read = ipr_read_trace, | |
3454 | }; | |
3455 | #endif | |
3456 | ||
3457 | /** | |
3458 | * ipr_show_fw_version - Show the firmware version | |
ee959b00 TJ |
3459 | * @dev: class device struct |
3460 | * @buf: buffer | |
1da177e4 LT |
3461 | * |
3462 | * Return value: | |
3463 | * number of bytes printed to buffer | |
3464 | **/ | |
ee959b00 TJ |
3465 | static ssize_t ipr_show_fw_version(struct device *dev, |
3466 | struct device_attribute *attr, char *buf) | |
1da177e4 | 3467 | { |
ee959b00 | 3468 | struct Scsi_Host *shost = class_to_shost(dev); |
1da177e4 LT |
3469 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
3470 | struct ipr_inquiry_page3 *ucode_vpd = &ioa_cfg->vpd_cbs->page3_data; | |
3471 | unsigned long lock_flags = 0; | |
3472 | int len; | |
3473 | ||
3474 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3475 | len = snprintf(buf, PAGE_SIZE, "%02X%02X%02X%02X\n", | |
3476 | ucode_vpd->major_release, ucode_vpd->card_type, | |
3477 | ucode_vpd->minor_release[0], | |
3478 | ucode_vpd->minor_release[1]); | |
3479 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3480 | return len; | |
3481 | } | |
3482 | ||
ee959b00 | 3483 | static struct device_attribute ipr_fw_version_attr = { |
1da177e4 LT |
3484 | .attr = { |
3485 | .name = "fw_version", | |
3486 | .mode = S_IRUGO, | |
3487 | }, | |
3488 | .show = ipr_show_fw_version, | |
3489 | }; | |
3490 | ||
3491 | /** | |
3492 | * ipr_show_log_level - Show the adapter's error logging level | |
ee959b00 TJ |
3493 | * @dev: class device struct |
3494 | * @buf: buffer | |
1da177e4 LT |
3495 | * |
3496 | * Return value: | |
3497 | * number of bytes printed to buffer | |
3498 | **/ | |
ee959b00 TJ |
3499 | static ssize_t ipr_show_log_level(struct device *dev, |
3500 | struct device_attribute *attr, char *buf) | |
1da177e4 | 3501 | { |
ee959b00 | 3502 | struct Scsi_Host *shost = class_to_shost(dev); |
1da177e4 LT |
3503 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
3504 | unsigned long lock_flags = 0; | |
3505 | int len; | |
3506 | ||
3507 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3508 | len = snprintf(buf, PAGE_SIZE, "%d\n", ioa_cfg->log_level); | |
3509 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3510 | return len; | |
3511 | } | |
3512 | ||
3513 | /** | |
3514 | * ipr_store_log_level - Change the adapter's error logging level | |
ee959b00 TJ |
3515 | * @dev: class device struct |
3516 | * @buf: buffer | |
1da177e4 LT |
3517 | * |
3518 | * Return value: | |
3519 | * number of bytes printed to buffer | |
3520 | **/ | |
ee959b00 | 3521 | static ssize_t ipr_store_log_level(struct device *dev, |
203fa3fe | 3522 | struct device_attribute *attr, |
1da177e4 LT |
3523 | const char *buf, size_t count) |
3524 | { | |
ee959b00 | 3525 | struct Scsi_Host *shost = class_to_shost(dev); |
1da177e4 LT |
3526 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
3527 | unsigned long lock_flags = 0; | |
3528 | ||
3529 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3530 | ioa_cfg->log_level = simple_strtoul(buf, NULL, 10); | |
3531 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3532 | return strlen(buf); | |
3533 | } | |
3534 | ||
ee959b00 | 3535 | static struct device_attribute ipr_log_level_attr = { |
1da177e4 LT |
3536 | .attr = { |
3537 | .name = "log_level", | |
3538 | .mode = S_IRUGO | S_IWUSR, | |
3539 | }, | |
3540 | .show = ipr_show_log_level, | |
3541 | .store = ipr_store_log_level | |
3542 | }; | |
3543 | ||
3544 | /** | |
3545 | * ipr_store_diagnostics - IOA Diagnostics interface | |
ee959b00 TJ |
3546 | * @dev: device struct |
3547 | * @buf: buffer | |
3548 | * @count: buffer size | |
1da177e4 LT |
3549 | * |
3550 | * This function will reset the adapter and wait a reasonable | |
3551 | * amount of time for any errors that the adapter might log. | |
3552 | * | |
3553 | * Return value: | |
3554 | * count on success / other on failure | |
3555 | **/ | |
ee959b00 TJ |
3556 | static ssize_t ipr_store_diagnostics(struct device *dev, |
3557 | struct device_attribute *attr, | |
1da177e4 LT |
3558 | const char *buf, size_t count) |
3559 | { | |
ee959b00 | 3560 | struct Scsi_Host *shost = class_to_shost(dev); |
1da177e4 LT |
3561 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
3562 | unsigned long lock_flags = 0; | |
3563 | int rc = count; | |
3564 | ||
3565 | if (!capable(CAP_SYS_ADMIN)) | |
3566 | return -EACCES; | |
3567 | ||
1da177e4 | 3568 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); |
203fa3fe | 3569 | while (ioa_cfg->in_reset_reload) { |
970ea294 BK |
3570 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
3571 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
3572 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3573 | } | |
3574 | ||
1da177e4 LT |
3575 | ioa_cfg->errors_logged = 0; |
3576 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NORMAL); | |
3577 | ||
3578 | if (ioa_cfg->in_reset_reload) { | |
3579 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3580 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
3581 | ||
3582 | /* Wait for a second for any errors to be logged */ | |
3583 | msleep(1000); | |
3584 | } else { | |
3585 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3586 | return -EIO; | |
3587 | } | |
3588 | ||
3589 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3590 | if (ioa_cfg->in_reset_reload || ioa_cfg->errors_logged) | |
3591 | rc = -EIO; | |
3592 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3593 | ||
3594 | return rc; | |
3595 | } | |
3596 | ||
ee959b00 | 3597 | static struct device_attribute ipr_diagnostics_attr = { |
1da177e4 LT |
3598 | .attr = { |
3599 | .name = "run_diagnostics", | |
3600 | .mode = S_IWUSR, | |
3601 | }, | |
3602 | .store = ipr_store_diagnostics | |
3603 | }; | |
3604 | ||
f37eb54b BK |
3605 | /** |
3606 | * ipr_show_adapter_state - Show the adapter's state | |
ee959b00 TJ |
3607 | * @class_dev: device struct |
3608 | * @buf: buffer | |
f37eb54b BK |
3609 | * |
3610 | * Return value: | |
3611 | * number of bytes printed to buffer | |
3612 | **/ | |
ee959b00 TJ |
3613 | static ssize_t ipr_show_adapter_state(struct device *dev, |
3614 | struct device_attribute *attr, char *buf) | |
f37eb54b | 3615 | { |
ee959b00 | 3616 | struct Scsi_Host *shost = class_to_shost(dev); |
f37eb54b BK |
3617 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
3618 | unsigned long lock_flags = 0; | |
3619 | int len; | |
3620 | ||
3621 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
56d6aa33 | 3622 | if (ioa_cfg->hrrq[IPR_INIT_HRRQ].ioa_is_dead) |
f37eb54b BK |
3623 | len = snprintf(buf, PAGE_SIZE, "offline\n"); |
3624 | else | |
3625 | len = snprintf(buf, PAGE_SIZE, "online\n"); | |
3626 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3627 | return len; | |
3628 | } | |
3629 | ||
3630 | /** | |
3631 | * ipr_store_adapter_state - Change adapter state | |
ee959b00 TJ |
3632 | * @dev: device struct |
3633 | * @buf: buffer | |
3634 | * @count: buffer size | |
f37eb54b BK |
3635 | * |
3636 | * This function will change the adapter's state. | |
3637 | * | |
3638 | * Return value: | |
3639 | * count on success / other on failure | |
3640 | **/ | |
ee959b00 TJ |
3641 | static ssize_t ipr_store_adapter_state(struct device *dev, |
3642 | struct device_attribute *attr, | |
f37eb54b BK |
3643 | const char *buf, size_t count) |
3644 | { | |
ee959b00 | 3645 | struct Scsi_Host *shost = class_to_shost(dev); |
f37eb54b BK |
3646 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
3647 | unsigned long lock_flags; | |
56d6aa33 | 3648 | int result = count, i; |
f37eb54b BK |
3649 | |
3650 | if (!capable(CAP_SYS_ADMIN)) | |
3651 | return -EACCES; | |
3652 | ||
3653 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
56d6aa33 | 3654 | if (ioa_cfg->hrrq[IPR_INIT_HRRQ].ioa_is_dead && |
3655 | !strncmp(buf, "online", 6)) { | |
3656 | for (i = 0; i < ioa_cfg->hrrq_num; i++) { | |
3657 | spin_lock(&ioa_cfg->hrrq[i]._lock); | |
3658 | ioa_cfg->hrrq[i].ioa_is_dead = 0; | |
3659 | spin_unlock(&ioa_cfg->hrrq[i]._lock); | |
3660 | } | |
3661 | wmb(); | |
f37eb54b BK |
3662 | ioa_cfg->reset_retries = 0; |
3663 | ioa_cfg->in_ioa_bringdown = 0; | |
3664 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); | |
3665 | } | |
3666 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3667 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
3668 | ||
3669 | return result; | |
3670 | } | |
3671 | ||
ee959b00 | 3672 | static struct device_attribute ipr_ioa_state_attr = { |
f37eb54b | 3673 | .attr = { |
49dd0961 | 3674 | .name = "online_state", |
f37eb54b BK |
3675 | .mode = S_IRUGO | S_IWUSR, |
3676 | }, | |
3677 | .show = ipr_show_adapter_state, | |
3678 | .store = ipr_store_adapter_state | |
3679 | }; | |
3680 | ||
1da177e4 LT |
3681 | /** |
3682 | * ipr_store_reset_adapter - Reset the adapter | |
ee959b00 TJ |
3683 | * @dev: device struct |
3684 | * @buf: buffer | |
3685 | * @count: buffer size | |
1da177e4 LT |
3686 | * |
3687 | * This function will reset the adapter. | |
3688 | * | |
3689 | * Return value: | |
3690 | * count on success / other on failure | |
3691 | **/ | |
ee959b00 TJ |
3692 | static ssize_t ipr_store_reset_adapter(struct device *dev, |
3693 | struct device_attribute *attr, | |
1da177e4 LT |
3694 | const char *buf, size_t count) |
3695 | { | |
ee959b00 | 3696 | struct Scsi_Host *shost = class_to_shost(dev); |
1da177e4 LT |
3697 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
3698 | unsigned long lock_flags; | |
3699 | int result = count; | |
3700 | ||
3701 | if (!capable(CAP_SYS_ADMIN)) | |
3702 | return -EACCES; | |
3703 | ||
3704 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3705 | if (!ioa_cfg->in_reset_reload) | |
3706 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NORMAL); | |
3707 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3708 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
3709 | ||
3710 | return result; | |
3711 | } | |
3712 | ||
ee959b00 | 3713 | static struct device_attribute ipr_ioa_reset_attr = { |
1da177e4 LT |
3714 | .attr = { |
3715 | .name = "reset_host", | |
3716 | .mode = S_IWUSR, | |
3717 | }, | |
3718 | .store = ipr_store_reset_adapter | |
3719 | }; | |
3720 | ||
511cbce2 | 3721 | static int ipr_iopoll(struct irq_poll *iop, int budget); |
b53d124a | 3722 | /** |
3723 | * ipr_show_iopoll_weight - Show ipr polling mode | |
3724 | * @dev: class device struct | |
3725 | * @buf: buffer | |
3726 | * | |
3727 | * Return value: | |
3728 | * number of bytes printed to buffer | |
3729 | **/ | |
3730 | static ssize_t ipr_show_iopoll_weight(struct device *dev, | |
3731 | struct device_attribute *attr, char *buf) | |
3732 | { | |
3733 | struct Scsi_Host *shost = class_to_shost(dev); | |
3734 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; | |
3735 | unsigned long lock_flags = 0; | |
3736 | int len; | |
3737 | ||
3738 | spin_lock_irqsave(shost->host_lock, lock_flags); | |
3739 | len = snprintf(buf, PAGE_SIZE, "%d\n", ioa_cfg->iopoll_weight); | |
3740 | spin_unlock_irqrestore(shost->host_lock, lock_flags); | |
3741 | ||
3742 | return len; | |
3743 | } | |
3744 | ||
3745 | /** | |
3746 | * ipr_store_iopoll_weight - Change the adapter's polling mode | |
3747 | * @dev: class device struct | |
3748 | * @buf: buffer | |
3749 | * | |
3750 | * Return value: | |
3751 | * number of bytes printed to buffer | |
3752 | **/ | |
3753 | static ssize_t ipr_store_iopoll_weight(struct device *dev, | |
3754 | struct device_attribute *attr, | |
3755 | const char *buf, size_t count) | |
3756 | { | |
3757 | struct Scsi_Host *shost = class_to_shost(dev); | |
3758 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; | |
3759 | unsigned long user_iopoll_weight; | |
3760 | unsigned long lock_flags = 0; | |
3761 | int i; | |
3762 | ||
3763 | if (!ioa_cfg->sis64) { | |
511cbce2 | 3764 | dev_info(&ioa_cfg->pdev->dev, "irq_poll not supported on this adapter\n"); |
b53d124a | 3765 | return -EINVAL; |
3766 | } | |
3767 | if (kstrtoul(buf, 10, &user_iopoll_weight)) | |
3768 | return -EINVAL; | |
3769 | ||
3770 | if (user_iopoll_weight > 256) { | |
511cbce2 | 3771 | dev_info(&ioa_cfg->pdev->dev, "Invalid irq_poll weight. It must be less than 256\n"); |
b53d124a | 3772 | return -EINVAL; |
3773 | } | |
3774 | ||
3775 | if (user_iopoll_weight == ioa_cfg->iopoll_weight) { | |
511cbce2 | 3776 | dev_info(&ioa_cfg->pdev->dev, "Current irq_poll weight has the same weight\n"); |
b53d124a | 3777 | return strlen(buf); |
3778 | } | |
3779 | ||
89f8b33c | 3780 | if (ioa_cfg->iopoll_weight && ioa_cfg->sis64 && ioa_cfg->nvectors > 1) { |
b53d124a | 3781 | for (i = 1; i < ioa_cfg->hrrq_num; i++) |
511cbce2 | 3782 | irq_poll_disable(&ioa_cfg->hrrq[i].iopoll); |
b53d124a | 3783 | } |
3784 | ||
3785 | spin_lock_irqsave(shost->host_lock, lock_flags); | |
3786 | ioa_cfg->iopoll_weight = user_iopoll_weight; | |
89f8b33c | 3787 | if (ioa_cfg->iopoll_weight && ioa_cfg->sis64 && ioa_cfg->nvectors > 1) { |
b53d124a | 3788 | for (i = 1; i < ioa_cfg->hrrq_num; i++) { |
511cbce2 | 3789 | irq_poll_init(&ioa_cfg->hrrq[i].iopoll, |
b53d124a | 3790 | ioa_cfg->iopoll_weight, ipr_iopoll); |
b53d124a | 3791 | } |
3792 | } | |
3793 | spin_unlock_irqrestore(shost->host_lock, lock_flags); | |
3794 | ||
3795 | return strlen(buf); | |
3796 | } | |
3797 | ||
3798 | static struct device_attribute ipr_iopoll_weight_attr = { | |
3799 | .attr = { | |
3800 | .name = "iopoll_weight", | |
3801 | .mode = S_IRUGO | S_IWUSR, | |
3802 | }, | |
3803 | .show = ipr_show_iopoll_weight, | |
3804 | .store = ipr_store_iopoll_weight | |
3805 | }; | |
3806 | ||
1da177e4 LT |
3807 | /** |
3808 | * ipr_alloc_ucode_buffer - Allocates a microcode download buffer | |
3809 | * @buf_len: buffer length | |
3810 | * | |
3811 | * Allocates a DMA'able buffer in chunks and assembles a scatter/gather | |
3812 | * list to use for microcode download | |
3813 | * | |
3814 | * Return value: | |
3815 | * pointer to sglist / NULL on failure | |
3816 | **/ | |
3817 | static struct ipr_sglist *ipr_alloc_ucode_buffer(int buf_len) | |
3818 | { | |
f95dc1bb | 3819 | int sg_size, order; |
1da177e4 | 3820 | struct ipr_sglist *sglist; |
1da177e4 LT |
3821 | |
3822 | /* Get the minimum size per scatter/gather element */ | |
3823 | sg_size = buf_len / (IPR_MAX_SGLIST - 1); | |
3824 | ||
3825 | /* Get the actual size per element */ | |
3826 | order = get_order(sg_size); | |
3827 | ||
1da177e4 | 3828 | /* Allocate a scatter/gather list for the DMA */ |
f95dc1bb | 3829 | sglist = kzalloc(sizeof(struct ipr_sglist), GFP_KERNEL); |
1da177e4 LT |
3830 | if (sglist == NULL) { |
3831 | ipr_trace; | |
3832 | return NULL; | |
3833 | } | |
1da177e4 | 3834 | sglist->order = order; |
f95dc1bb BVA |
3835 | sglist->scatterlist = sgl_alloc_order(buf_len, order, false, GFP_KERNEL, |
3836 | &sglist->num_sg); | |
3837 | if (!sglist->scatterlist) { | |
3838 | kfree(sglist); | |
3839 | return NULL; | |
1da177e4 LT |
3840 | } |
3841 | ||
3842 | return sglist; | |
3843 | } | |
3844 | ||
3845 | /** | |
3846 | * ipr_free_ucode_buffer - Frees a microcode download buffer | |
3847 | * @p_dnld: scatter/gather list pointer | |
3848 | * | |
3849 | * Free a DMA'able ucode download buffer previously allocated with | |
3850 | * ipr_alloc_ucode_buffer | |
3851 | * | |
3852 | * Return value: | |
3853 | * nothing | |
3854 | **/ | |
3855 | static void ipr_free_ucode_buffer(struct ipr_sglist *sglist) | |
3856 | { | |
f95dc1bb | 3857 | sgl_free_order(sglist->scatterlist, sglist->order); |
1da177e4 LT |
3858 | kfree(sglist); |
3859 | } | |
3860 | ||
3861 | /** | |
3862 | * ipr_copy_ucode_buffer - Copy user buffer to kernel buffer | |
3863 | * @sglist: scatter/gather list pointer | |
3864 | * @buffer: buffer pointer | |
3865 | * @len: buffer length | |
3866 | * | |
3867 | * Copy a microcode image from a user buffer into a buffer allocated by | |
3868 | * ipr_alloc_ucode_buffer | |
3869 | * | |
3870 | * Return value: | |
3871 | * 0 on success / other on failure | |
3872 | **/ | |
3873 | static int ipr_copy_ucode_buffer(struct ipr_sglist *sglist, | |
3874 | u8 *buffer, u32 len) | |
3875 | { | |
3876 | int bsize_elem, i, result = 0; | |
3877 | struct scatterlist *scatterlist; | |
3878 | void *kaddr; | |
3879 | ||
3880 | /* Determine the actual number of bytes per element */ | |
3881 | bsize_elem = PAGE_SIZE * (1 << sglist->order); | |
3882 | ||
3883 | scatterlist = sglist->scatterlist; | |
3884 | ||
3885 | for (i = 0; i < (len / bsize_elem); i++, buffer += bsize_elem) { | |
45711f1a JA |
3886 | struct page *page = sg_page(&scatterlist[i]); |
3887 | ||
3888 | kaddr = kmap(page); | |
1da177e4 | 3889 | memcpy(kaddr, buffer, bsize_elem); |
45711f1a | 3890 | kunmap(page); |
1da177e4 LT |
3891 | |
3892 | scatterlist[i].length = bsize_elem; | |
3893 | ||
3894 | if (result != 0) { | |
3895 | ipr_trace; | |
3896 | return result; | |
3897 | } | |
3898 | } | |
3899 | ||
3900 | if (len % bsize_elem) { | |
45711f1a JA |
3901 | struct page *page = sg_page(&scatterlist[i]); |
3902 | ||
3903 | kaddr = kmap(page); | |
1da177e4 | 3904 | memcpy(kaddr, buffer, len % bsize_elem); |
45711f1a | 3905 | kunmap(page); |
1da177e4 LT |
3906 | |
3907 | scatterlist[i].length = len % bsize_elem; | |
3908 | } | |
3909 | ||
3910 | sglist->buffer_len = len; | |
3911 | return result; | |
3912 | } | |
3913 | ||
a32c055f WB |
3914 | /** |
3915 | * ipr_build_ucode_ioadl64 - Build a microcode download IOADL | |
3916 | * @ipr_cmd: ipr command struct | |
3917 | * @sglist: scatter/gather list | |
3918 | * | |
3919 | * Builds a microcode download IOA data list (IOADL). | |
3920 | * | |
3921 | **/ | |
3922 | static void ipr_build_ucode_ioadl64(struct ipr_cmnd *ipr_cmd, | |
3923 | struct ipr_sglist *sglist) | |
3924 | { | |
3925 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
3926 | struct ipr_ioadl64_desc *ioadl64 = ipr_cmd->i.ioadl64; | |
3927 | struct scatterlist *scatterlist = sglist->scatterlist; | |
3928 | int i; | |
3929 | ||
3930 | ipr_cmd->dma_use_sg = sglist->num_dma_sg; | |
3931 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ; | |
3932 | ioarcb->data_transfer_length = cpu_to_be32(sglist->buffer_len); | |
3933 | ||
3934 | ioarcb->ioadl_len = | |
3935 | cpu_to_be32(sizeof(struct ipr_ioadl64_desc) * ipr_cmd->dma_use_sg); | |
3936 | for (i = 0; i < ipr_cmd->dma_use_sg; i++) { | |
3937 | ioadl64[i].flags = cpu_to_be32(IPR_IOADL_FLAGS_WRITE); | |
3938 | ioadl64[i].data_len = cpu_to_be32(sg_dma_len(&scatterlist[i])); | |
3939 | ioadl64[i].address = cpu_to_be64(sg_dma_address(&scatterlist[i])); | |
3940 | } | |
3941 | ||
3942 | ioadl64[i-1].flags |= cpu_to_be32(IPR_IOADL_FLAGS_LAST); | |
3943 | } | |
3944 | ||
1da177e4 | 3945 | /** |
12baa420 | 3946 | * ipr_build_ucode_ioadl - Build a microcode download IOADL |
1da177e4 LT |
3947 | * @ipr_cmd: ipr command struct |
3948 | * @sglist: scatter/gather list | |
1da177e4 | 3949 | * |
12baa420 | 3950 | * Builds a microcode download IOA data list (IOADL). |
1da177e4 | 3951 | * |
1da177e4 | 3952 | **/ |
12baa420 BK |
3953 | static void ipr_build_ucode_ioadl(struct ipr_cmnd *ipr_cmd, |
3954 | struct ipr_sglist *sglist) | |
1da177e4 | 3955 | { |
1da177e4 | 3956 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; |
a32c055f | 3957 | struct ipr_ioadl_desc *ioadl = ipr_cmd->i.ioadl; |
1da177e4 LT |
3958 | struct scatterlist *scatterlist = sglist->scatterlist; |
3959 | int i; | |
3960 | ||
12baa420 | 3961 | ipr_cmd->dma_use_sg = sglist->num_dma_sg; |
1da177e4 | 3962 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ; |
a32c055f WB |
3963 | ioarcb->data_transfer_length = cpu_to_be32(sglist->buffer_len); |
3964 | ||
3965 | ioarcb->ioadl_len = | |
1da177e4 LT |
3966 | cpu_to_be32(sizeof(struct ipr_ioadl_desc) * ipr_cmd->dma_use_sg); |
3967 | ||
3968 | for (i = 0; i < ipr_cmd->dma_use_sg; i++) { | |
3969 | ioadl[i].flags_and_data_len = | |
3970 | cpu_to_be32(IPR_IOADL_FLAGS_WRITE | sg_dma_len(&scatterlist[i])); | |
3971 | ioadl[i].address = | |
3972 | cpu_to_be32(sg_dma_address(&scatterlist[i])); | |
3973 | } | |
3974 | ||
12baa420 BK |
3975 | ioadl[i-1].flags_and_data_len |= |
3976 | cpu_to_be32(IPR_IOADL_FLAGS_LAST); | |
3977 | } | |
3978 | ||
3979 | /** | |
3980 | * ipr_update_ioa_ucode - Update IOA's microcode | |
3981 | * @ioa_cfg: ioa config struct | |
3982 | * @sglist: scatter/gather list | |
3983 | * | |
3984 | * Initiate an adapter reset to update the IOA's microcode | |
3985 | * | |
3986 | * Return value: | |
3987 | * 0 on success / -EIO on failure | |
3988 | **/ | |
3989 | static int ipr_update_ioa_ucode(struct ipr_ioa_cfg *ioa_cfg, | |
3990 | struct ipr_sglist *sglist) | |
3991 | { | |
3992 | unsigned long lock_flags; | |
3993 | ||
3994 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
203fa3fe | 3995 | while (ioa_cfg->in_reset_reload) { |
970ea294 BK |
3996 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
3997 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
3998 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3999 | } | |
12baa420 BK |
4000 | |
4001 | if (ioa_cfg->ucode_sglist) { | |
4002 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4003 | dev_err(&ioa_cfg->pdev->dev, | |
4004 | "Microcode download already in progress\n"); | |
4005 | return -EIO; | |
1da177e4 | 4006 | } |
12baa420 | 4007 | |
d73341bf AB |
4008 | sglist->num_dma_sg = dma_map_sg(&ioa_cfg->pdev->dev, |
4009 | sglist->scatterlist, sglist->num_sg, | |
4010 | DMA_TO_DEVICE); | |
12baa420 BK |
4011 | |
4012 | if (!sglist->num_dma_sg) { | |
4013 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4014 | dev_err(&ioa_cfg->pdev->dev, | |
4015 | "Failed to map microcode download buffer!\n"); | |
1da177e4 LT |
4016 | return -EIO; |
4017 | } | |
4018 | ||
12baa420 BK |
4019 | ioa_cfg->ucode_sglist = sglist; |
4020 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NORMAL); | |
4021 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4022 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
4023 | ||
4024 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4025 | ioa_cfg->ucode_sglist = NULL; | |
4026 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
1da177e4 LT |
4027 | return 0; |
4028 | } | |
4029 | ||
4030 | /** | |
4031 | * ipr_store_update_fw - Update the firmware on the adapter | |
ee959b00 TJ |
4032 | * @class_dev: device struct |
4033 | * @buf: buffer | |
4034 | * @count: buffer size | |
1da177e4 LT |
4035 | * |
4036 | * This function will update the firmware on the adapter. | |
4037 | * | |
4038 | * Return value: | |
4039 | * count on success / other on failure | |
4040 | **/ | |
ee959b00 TJ |
4041 | static ssize_t ipr_store_update_fw(struct device *dev, |
4042 | struct device_attribute *attr, | |
4043 | const char *buf, size_t count) | |
1da177e4 | 4044 | { |
ee959b00 | 4045 | struct Scsi_Host *shost = class_to_shost(dev); |
1da177e4 LT |
4046 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
4047 | struct ipr_ucode_image_header *image_hdr; | |
4048 | const struct firmware *fw_entry; | |
4049 | struct ipr_sglist *sglist; | |
1da177e4 LT |
4050 | char fname[100]; |
4051 | char *src; | |
21b81716 | 4052 | char *endline; |
d63c7dd5 | 4053 | int result, dnld_size; |
1da177e4 LT |
4054 | |
4055 | if (!capable(CAP_SYS_ADMIN)) | |
4056 | return -EACCES; | |
4057 | ||
d63c7dd5 | 4058 | snprintf(fname, sizeof(fname), "%s", buf); |
1da177e4 | 4059 | |
21b81716 GKB |
4060 | endline = strchr(fname, '\n'); |
4061 | if (endline) | |
4062 | *endline = '\0'; | |
4063 | ||
203fa3fe | 4064 | if (request_firmware(&fw_entry, fname, &ioa_cfg->pdev->dev)) { |
1da177e4 LT |
4065 | dev_err(&ioa_cfg->pdev->dev, "Firmware file %s not found\n", fname); |
4066 | return -EIO; | |
4067 | } | |
4068 | ||
4069 | image_hdr = (struct ipr_ucode_image_header *)fw_entry->data; | |
4070 | ||
1da177e4 LT |
4071 | src = (u8 *)image_hdr + be32_to_cpu(image_hdr->header_length); |
4072 | dnld_size = fw_entry->size - be32_to_cpu(image_hdr->header_length); | |
4073 | sglist = ipr_alloc_ucode_buffer(dnld_size); | |
4074 | ||
4075 | if (!sglist) { | |
4076 | dev_err(&ioa_cfg->pdev->dev, "Microcode buffer allocation failed\n"); | |
4077 | release_firmware(fw_entry); | |
4078 | return -ENOMEM; | |
4079 | } | |
4080 | ||
4081 | result = ipr_copy_ucode_buffer(sglist, src, dnld_size); | |
4082 | ||
4083 | if (result) { | |
4084 | dev_err(&ioa_cfg->pdev->dev, | |
4085 | "Microcode buffer copy to DMA buffer failed\n"); | |
12baa420 | 4086 | goto out; |
1da177e4 LT |
4087 | } |
4088 | ||
14ed9cc7 WB |
4089 | ipr_info("Updating microcode, please be patient. This may take up to 30 minutes.\n"); |
4090 | ||
12baa420 | 4091 | result = ipr_update_ioa_ucode(ioa_cfg, sglist); |
1da177e4 | 4092 | |
12baa420 BK |
4093 | if (!result) |
4094 | result = count; | |
4095 | out: | |
1da177e4 LT |
4096 | ipr_free_ucode_buffer(sglist); |
4097 | release_firmware(fw_entry); | |
12baa420 | 4098 | return result; |
1da177e4 LT |
4099 | } |
4100 | ||
ee959b00 | 4101 | static struct device_attribute ipr_update_fw_attr = { |
1da177e4 LT |
4102 | .attr = { |
4103 | .name = "update_fw", | |
4104 | .mode = S_IWUSR, | |
4105 | }, | |
4106 | .store = ipr_store_update_fw | |
4107 | }; | |
4108 | ||
75576bb9 WB |
4109 | /** |
4110 | * ipr_show_fw_type - Show the adapter's firmware type. | |
4111 | * @dev: class device struct | |
4112 | * @buf: buffer | |
4113 | * | |
4114 | * Return value: | |
4115 | * number of bytes printed to buffer | |
4116 | **/ | |
4117 | static ssize_t ipr_show_fw_type(struct device *dev, | |
4118 | struct device_attribute *attr, char *buf) | |
4119 | { | |
4120 | struct Scsi_Host *shost = class_to_shost(dev); | |
4121 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; | |
4122 | unsigned long lock_flags = 0; | |
4123 | int len; | |
4124 | ||
4125 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4126 | len = snprintf(buf, PAGE_SIZE, "%d\n", ioa_cfg->sis64); | |
4127 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4128 | return len; | |
4129 | } | |
4130 | ||
4131 | static struct device_attribute ipr_ioa_fw_type_attr = { | |
4132 | .attr = { | |
4133 | .name = "fw_type", | |
4134 | .mode = S_IRUGO, | |
4135 | }, | |
4136 | .show = ipr_show_fw_type | |
4137 | }; | |
4138 | ||
afc3f83c BK |
4139 | static ssize_t ipr_read_async_err_log(struct file *filep, struct kobject *kobj, |
4140 | struct bin_attribute *bin_attr, char *buf, | |
4141 | loff_t off, size_t count) | |
4142 | { | |
4143 | struct device *cdev = container_of(kobj, struct device, kobj); | |
4144 | struct Scsi_Host *shost = class_to_shost(cdev); | |
4145 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; | |
4146 | struct ipr_hostrcb *hostrcb; | |
4147 | unsigned long lock_flags = 0; | |
4148 | int ret; | |
4149 | ||
4150 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4151 | hostrcb = list_first_entry_or_null(&ioa_cfg->hostrcb_report_q, | |
4152 | struct ipr_hostrcb, queue); | |
4153 | if (!hostrcb) { | |
4154 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4155 | return 0; | |
4156 | } | |
4157 | ret = memory_read_from_buffer(buf, count, &off, &hostrcb->hcam, | |
4158 | sizeof(hostrcb->hcam)); | |
4159 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4160 | return ret; | |
4161 | } | |
4162 | ||
4163 | static ssize_t ipr_next_async_err_log(struct file *filep, struct kobject *kobj, | |
4164 | struct bin_attribute *bin_attr, char *buf, | |
4165 | loff_t off, size_t count) | |
4166 | { | |
4167 | struct device *cdev = container_of(kobj, struct device, kobj); | |
4168 | struct Scsi_Host *shost = class_to_shost(cdev); | |
4169 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; | |
4170 | struct ipr_hostrcb *hostrcb; | |
4171 | unsigned long lock_flags = 0; | |
4172 | ||
4173 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4174 | hostrcb = list_first_entry_or_null(&ioa_cfg->hostrcb_report_q, | |
4175 | struct ipr_hostrcb, queue); | |
4176 | if (!hostrcb) { | |
4177 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4178 | return count; | |
4179 | } | |
4180 | ||
4181 | /* Reclaim hostrcb before exit */ | |
4182 | list_move_tail(&hostrcb->queue, &ioa_cfg->hostrcb_free_q); | |
4183 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4184 | return count; | |
4185 | } | |
4186 | ||
4187 | static struct bin_attribute ipr_ioa_async_err_log = { | |
4188 | .attr = { | |
4189 | .name = "async_err_log", | |
4190 | .mode = S_IRUGO | S_IWUSR, | |
4191 | }, | |
4192 | .size = 0, | |
4193 | .read = ipr_read_async_err_log, | |
4194 | .write = ipr_next_async_err_log | |
4195 | }; | |
4196 | ||
ee959b00 | 4197 | static struct device_attribute *ipr_ioa_attrs[] = { |
1da177e4 LT |
4198 | &ipr_fw_version_attr, |
4199 | &ipr_log_level_attr, | |
4200 | &ipr_diagnostics_attr, | |
f37eb54b | 4201 | &ipr_ioa_state_attr, |
1da177e4 LT |
4202 | &ipr_ioa_reset_attr, |
4203 | &ipr_update_fw_attr, | |
75576bb9 | 4204 | &ipr_ioa_fw_type_attr, |
b53d124a | 4205 | &ipr_iopoll_weight_attr, |
1da177e4 LT |
4206 | NULL, |
4207 | }; | |
4208 | ||
4209 | #ifdef CONFIG_SCSI_IPR_DUMP | |
4210 | /** | |
4211 | * ipr_read_dump - Dump the adapter | |
2c3c8bea | 4212 | * @filp: open sysfs file |
1da177e4 | 4213 | * @kobj: kobject struct |
91a69029 | 4214 | * @bin_attr: bin_attribute struct |
1da177e4 LT |
4215 | * @buf: buffer |
4216 | * @off: offset | |
4217 | * @count: buffer size | |
4218 | * | |
4219 | * Return value: | |
4220 | * number of bytes printed to buffer | |
4221 | **/ | |
2c3c8bea | 4222 | static ssize_t ipr_read_dump(struct file *filp, struct kobject *kobj, |
91a69029 ZR |
4223 | struct bin_attribute *bin_attr, |
4224 | char *buf, loff_t off, size_t count) | |
1da177e4 | 4225 | { |
ee959b00 | 4226 | struct device *cdev = container_of(kobj, struct device, kobj); |
1da177e4 LT |
4227 | struct Scsi_Host *shost = class_to_shost(cdev); |
4228 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; | |
4229 | struct ipr_dump *dump; | |
4230 | unsigned long lock_flags = 0; | |
4231 | char *src; | |
4d4dd706 | 4232 | int len, sdt_end; |
1da177e4 LT |
4233 | size_t rc = count; |
4234 | ||
4235 | if (!capable(CAP_SYS_ADMIN)) | |
4236 | return -EACCES; | |
4237 | ||
4238 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4239 | dump = ioa_cfg->dump; | |
4240 | ||
4241 | if (ioa_cfg->sdt_state != DUMP_OBTAINED || !dump) { | |
4242 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4243 | return 0; | |
4244 | } | |
4245 | kref_get(&dump->kref); | |
4246 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4247 | ||
4248 | if (off > dump->driver_dump.hdr.len) { | |
4249 | kref_put(&dump->kref, ipr_release_dump); | |
4250 | return 0; | |
4251 | } | |
4252 | ||
4253 | if (off + count > dump->driver_dump.hdr.len) { | |
4254 | count = dump->driver_dump.hdr.len - off; | |
4255 | rc = count; | |
4256 | } | |
4257 | ||
4258 | if (count && off < sizeof(dump->driver_dump)) { | |
4259 | if (off + count > sizeof(dump->driver_dump)) | |
4260 | len = sizeof(dump->driver_dump) - off; | |
4261 | else | |
4262 | len = count; | |
4263 | src = (u8 *)&dump->driver_dump + off; | |
4264 | memcpy(buf, src, len); | |
4265 | buf += len; | |
4266 | off += len; | |
4267 | count -= len; | |
4268 | } | |
4269 | ||
4270 | off -= sizeof(dump->driver_dump); | |
4271 | ||
4d4dd706 KSS |
4272 | if (ioa_cfg->sis64) |
4273 | sdt_end = offsetof(struct ipr_ioa_dump, sdt.entry) + | |
4274 | (be32_to_cpu(dump->ioa_dump.sdt.hdr.num_entries_used) * | |
4275 | sizeof(struct ipr_sdt_entry)); | |
4276 | else | |
4277 | sdt_end = offsetof(struct ipr_ioa_dump, sdt.entry) + | |
4278 | (IPR_FMT2_NUM_SDT_ENTRIES * sizeof(struct ipr_sdt_entry)); | |
4279 | ||
4280 | if (count && off < sdt_end) { | |
4281 | if (off + count > sdt_end) | |
4282 | len = sdt_end - off; | |
1da177e4 LT |
4283 | else |
4284 | len = count; | |
4285 | src = (u8 *)&dump->ioa_dump + off; | |
4286 | memcpy(buf, src, len); | |
4287 | buf += len; | |
4288 | off += len; | |
4289 | count -= len; | |
4290 | } | |
4291 | ||
4d4dd706 | 4292 | off -= sdt_end; |
1da177e4 LT |
4293 | |
4294 | while (count) { | |
4295 | if ((off & PAGE_MASK) != ((off + count) & PAGE_MASK)) | |
4296 | len = PAGE_ALIGN(off) - off; | |
4297 | else | |
4298 | len = count; | |
4299 | src = (u8 *)dump->ioa_dump.ioa_data[(off & PAGE_MASK) >> PAGE_SHIFT]; | |
4300 | src += off & ~PAGE_MASK; | |
4301 | memcpy(buf, src, len); | |
4302 | buf += len; | |
4303 | off += len; | |
4304 | count -= len; | |
4305 | } | |
4306 | ||
4307 | kref_put(&dump->kref, ipr_release_dump); | |
4308 | return rc; | |
4309 | } | |
4310 | ||
4311 | /** | |
4312 | * ipr_alloc_dump - Prepare for adapter dump | |
4313 | * @ioa_cfg: ioa config struct | |
4314 | * | |
4315 | * Return value: | |
4316 | * 0 on success / other on failure | |
4317 | **/ | |
4318 | static int ipr_alloc_dump(struct ipr_ioa_cfg *ioa_cfg) | |
4319 | { | |
4320 | struct ipr_dump *dump; | |
4d4dd706 | 4321 | __be32 **ioa_data; |
1da177e4 LT |
4322 | unsigned long lock_flags = 0; |
4323 | ||
0bc42e35 | 4324 | dump = kzalloc(sizeof(struct ipr_dump), GFP_KERNEL); |
1da177e4 LT |
4325 | |
4326 | if (!dump) { | |
4327 | ipr_err("Dump memory allocation failed\n"); | |
4328 | return -ENOMEM; | |
4329 | } | |
4330 | ||
4d4dd706 KSS |
4331 | if (ioa_cfg->sis64) |
4332 | ioa_data = vmalloc(IPR_FMT3_MAX_NUM_DUMP_PAGES * sizeof(__be32 *)); | |
4333 | else | |
4334 | ioa_data = vmalloc(IPR_FMT2_MAX_NUM_DUMP_PAGES * sizeof(__be32 *)); | |
4335 | ||
4336 | if (!ioa_data) { | |
4337 | ipr_err("Dump memory allocation failed\n"); | |
4338 | kfree(dump); | |
4339 | return -ENOMEM; | |
4340 | } | |
4341 | ||
4342 | dump->ioa_dump.ioa_data = ioa_data; | |
4343 | ||
1da177e4 LT |
4344 | kref_init(&dump->kref); |
4345 | dump->ioa_cfg = ioa_cfg; | |
4346 | ||
4347 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4348 | ||
4349 | if (INACTIVE != ioa_cfg->sdt_state) { | |
4350 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4d4dd706 | 4351 | vfree(dump->ioa_dump.ioa_data); |
1da177e4 LT |
4352 | kfree(dump); |
4353 | return 0; | |
4354 | } | |
4355 | ||
4356 | ioa_cfg->dump = dump; | |
4357 | ioa_cfg->sdt_state = WAIT_FOR_DUMP; | |
56d6aa33 | 4358 | if (ioa_cfg->hrrq[IPR_INIT_HRRQ].ioa_is_dead && !ioa_cfg->dump_taken) { |
1da177e4 LT |
4359 | ioa_cfg->dump_taken = 1; |
4360 | schedule_work(&ioa_cfg->work_q); | |
4361 | } | |
4362 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4363 | ||
1da177e4 LT |
4364 | return 0; |
4365 | } | |
4366 | ||
4367 | /** | |
4368 | * ipr_free_dump - Free adapter dump memory | |
4369 | * @ioa_cfg: ioa config struct | |
4370 | * | |
4371 | * Return value: | |
4372 | * 0 on success / other on failure | |
4373 | **/ | |
4374 | static int ipr_free_dump(struct ipr_ioa_cfg *ioa_cfg) | |
4375 | { | |
4376 | struct ipr_dump *dump; | |
4377 | unsigned long lock_flags = 0; | |
4378 | ||
4379 | ENTER; | |
4380 | ||
4381 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4382 | dump = ioa_cfg->dump; | |
4383 | if (!dump) { | |
4384 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4385 | return 0; | |
4386 | } | |
4387 | ||
4388 | ioa_cfg->dump = NULL; | |
4389 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4390 | ||
4391 | kref_put(&dump->kref, ipr_release_dump); | |
4392 | ||
4393 | LEAVE; | |
4394 | return 0; | |
4395 | } | |
4396 | ||
4397 | /** | |
4398 | * ipr_write_dump - Setup dump state of adapter | |
2c3c8bea | 4399 | * @filp: open sysfs file |
1da177e4 | 4400 | * @kobj: kobject struct |
91a69029 | 4401 | * @bin_attr: bin_attribute struct |
1da177e4 LT |
4402 | * @buf: buffer |
4403 | * @off: offset | |
4404 | * @count: buffer size | |
4405 | * | |
4406 | * Return value: | |
4407 | * number of bytes printed to buffer | |
4408 | **/ | |
2c3c8bea | 4409 | static ssize_t ipr_write_dump(struct file *filp, struct kobject *kobj, |
91a69029 ZR |
4410 | struct bin_attribute *bin_attr, |
4411 | char *buf, loff_t off, size_t count) | |
1da177e4 | 4412 | { |
ee959b00 | 4413 | struct device *cdev = container_of(kobj, struct device, kobj); |
1da177e4 LT |
4414 | struct Scsi_Host *shost = class_to_shost(cdev); |
4415 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; | |
4416 | int rc; | |
4417 | ||
4418 | if (!capable(CAP_SYS_ADMIN)) | |
4419 | return -EACCES; | |
4420 | ||
4421 | if (buf[0] == '1') | |
4422 | rc = ipr_alloc_dump(ioa_cfg); | |
4423 | else if (buf[0] == '0') | |
4424 | rc = ipr_free_dump(ioa_cfg); | |
4425 | else | |
4426 | return -EINVAL; | |
4427 | ||
4428 | if (rc) | |
4429 | return rc; | |
4430 | else | |
4431 | return count; | |
4432 | } | |
4433 | ||
4434 | static struct bin_attribute ipr_dump_attr = { | |
4435 | .attr = { | |
4436 | .name = "dump", | |
4437 | .mode = S_IRUSR | S_IWUSR, | |
4438 | }, | |
4439 | .size = 0, | |
4440 | .read = ipr_read_dump, | |
4441 | .write = ipr_write_dump | |
4442 | }; | |
4443 | #else | |
4444 | static int ipr_free_dump(struct ipr_ioa_cfg *ioa_cfg) { return 0; }; | |
4445 | #endif | |
4446 | ||
4447 | /** | |
4448 | * ipr_change_queue_depth - Change the device's queue depth | |
4449 | * @sdev: scsi device struct | |
4450 | * @qdepth: depth to set | |
e881a172 | 4451 | * @reason: calling context |
1da177e4 LT |
4452 | * |
4453 | * Return value: | |
4454 | * actual depth set | |
4455 | **/ | |
db5ed4df | 4456 | static int ipr_change_queue_depth(struct scsi_device *sdev, int qdepth) |
1da177e4 | 4457 | { |
35a39691 BK |
4458 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)sdev->host->hostdata; |
4459 | struct ipr_resource_entry *res; | |
4460 | unsigned long lock_flags = 0; | |
4461 | ||
4462 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4463 | res = (struct ipr_resource_entry *)sdev->hostdata; | |
4464 | ||
4465 | if (res && ipr_is_gata(res) && qdepth > IPR_MAX_CMD_PER_ATA_LUN) | |
4466 | qdepth = IPR_MAX_CMD_PER_ATA_LUN; | |
4467 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4468 | ||
db5ed4df | 4469 | scsi_change_queue_depth(sdev, qdepth); |
1da177e4 LT |
4470 | return sdev->queue_depth; |
4471 | } | |
4472 | ||
1da177e4 LT |
4473 | /** |
4474 | * ipr_show_adapter_handle - Show the adapter's resource handle for this device | |
4475 | * @dev: device struct | |
46d74563 | 4476 | * @attr: device attribute structure |
1da177e4 LT |
4477 | * @buf: buffer |
4478 | * | |
4479 | * Return value: | |
4480 | * number of bytes printed to buffer | |
4481 | **/ | |
10523b3b | 4482 | static ssize_t ipr_show_adapter_handle(struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 LT |
4483 | { |
4484 | struct scsi_device *sdev = to_scsi_device(dev); | |
4485 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)sdev->host->hostdata; | |
4486 | struct ipr_resource_entry *res; | |
4487 | unsigned long lock_flags = 0; | |
4488 | ssize_t len = -ENXIO; | |
4489 | ||
4490 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4491 | res = (struct ipr_resource_entry *)sdev->hostdata; | |
4492 | if (res) | |
3e7ebdfa | 4493 | len = snprintf(buf, PAGE_SIZE, "%08X\n", res->res_handle); |
1da177e4 LT |
4494 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
4495 | return len; | |
4496 | } | |
4497 | ||
4498 | static struct device_attribute ipr_adapter_handle_attr = { | |
4499 | .attr = { | |
4500 | .name = "adapter_handle", | |
4501 | .mode = S_IRUSR, | |
4502 | }, | |
4503 | .show = ipr_show_adapter_handle | |
4504 | }; | |
4505 | ||
3e7ebdfa | 4506 | /** |
5adcbeb3 WB |
4507 | * ipr_show_resource_path - Show the resource path or the resource address for |
4508 | * this device. | |
3e7ebdfa | 4509 | * @dev: device struct |
46d74563 | 4510 | * @attr: device attribute structure |
3e7ebdfa WB |
4511 | * @buf: buffer |
4512 | * | |
4513 | * Return value: | |
4514 | * number of bytes printed to buffer | |
4515 | **/ | |
4516 | static ssize_t ipr_show_resource_path(struct device *dev, struct device_attribute *attr, char *buf) | |
4517 | { | |
4518 | struct scsi_device *sdev = to_scsi_device(dev); | |
4519 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)sdev->host->hostdata; | |
4520 | struct ipr_resource_entry *res; | |
4521 | unsigned long lock_flags = 0; | |
4522 | ssize_t len = -ENXIO; | |
4523 | char buffer[IPR_MAX_RES_PATH_LENGTH]; | |
4524 | ||
4525 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4526 | res = (struct ipr_resource_entry *)sdev->hostdata; | |
5adcbeb3 | 4527 | if (res && ioa_cfg->sis64) |
3e7ebdfa | 4528 | len = snprintf(buf, PAGE_SIZE, "%s\n", |
b3b3b407 BK |
4529 | __ipr_format_res_path(res->res_path, buffer, |
4530 | sizeof(buffer))); | |
5adcbeb3 WB |
4531 | else if (res) |
4532 | len = snprintf(buf, PAGE_SIZE, "%d:%d:%d:%d\n", ioa_cfg->host->host_no, | |
4533 | res->bus, res->target, res->lun); | |
4534 | ||
3e7ebdfa WB |
4535 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
4536 | return len; | |
4537 | } | |
4538 | ||
4539 | static struct device_attribute ipr_resource_path_attr = { | |
4540 | .attr = { | |
4541 | .name = "resource_path", | |
75576bb9 | 4542 | .mode = S_IRUGO, |
3e7ebdfa WB |
4543 | }, |
4544 | .show = ipr_show_resource_path | |
4545 | }; | |
4546 | ||
46d74563 WB |
4547 | /** |
4548 | * ipr_show_device_id - Show the device_id for this device. | |
4549 | * @dev: device struct | |
4550 | * @attr: device attribute structure | |
4551 | * @buf: buffer | |
4552 | * | |
4553 | * Return value: | |
4554 | * number of bytes printed to buffer | |
4555 | **/ | |
4556 | static ssize_t ipr_show_device_id(struct device *dev, struct device_attribute *attr, char *buf) | |
4557 | { | |
4558 | struct scsi_device *sdev = to_scsi_device(dev); | |
4559 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)sdev->host->hostdata; | |
4560 | struct ipr_resource_entry *res; | |
4561 | unsigned long lock_flags = 0; | |
4562 | ssize_t len = -ENXIO; | |
4563 | ||
4564 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4565 | res = (struct ipr_resource_entry *)sdev->hostdata; | |
4566 | if (res && ioa_cfg->sis64) | |
bb8647e8 | 4567 | len = snprintf(buf, PAGE_SIZE, "0x%llx\n", be64_to_cpu(res->dev_id)); |
46d74563 WB |
4568 | else if (res) |
4569 | len = snprintf(buf, PAGE_SIZE, "0x%llx\n", res->lun_wwn); | |
4570 | ||
4571 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4572 | return len; | |
4573 | } | |
4574 | ||
4575 | static struct device_attribute ipr_device_id_attr = { | |
4576 | .attr = { | |
4577 | .name = "device_id", | |
4578 | .mode = S_IRUGO, | |
4579 | }, | |
4580 | .show = ipr_show_device_id | |
4581 | }; | |
4582 | ||
75576bb9 WB |
4583 | /** |
4584 | * ipr_show_resource_type - Show the resource type for this device. | |
4585 | * @dev: device struct | |
46d74563 | 4586 | * @attr: device attribute structure |
75576bb9 WB |
4587 | * @buf: buffer |
4588 | * | |
4589 | * Return value: | |
4590 | * number of bytes printed to buffer | |
4591 | **/ | |
4592 | static ssize_t ipr_show_resource_type(struct device *dev, struct device_attribute *attr, char *buf) | |
4593 | { | |
4594 | struct scsi_device *sdev = to_scsi_device(dev); | |
4595 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)sdev->host->hostdata; | |
4596 | struct ipr_resource_entry *res; | |
4597 | unsigned long lock_flags = 0; | |
4598 | ssize_t len = -ENXIO; | |
4599 | ||
4600 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4601 | res = (struct ipr_resource_entry *)sdev->hostdata; | |
4602 | ||
4603 | if (res) | |
4604 | len = snprintf(buf, PAGE_SIZE, "%x\n", res->type); | |
4605 | ||
4606 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4607 | return len; | |
4608 | } | |
4609 | ||
4610 | static struct device_attribute ipr_resource_type_attr = { | |
4611 | .attr = { | |
4612 | .name = "resource_type", | |
4613 | .mode = S_IRUGO, | |
4614 | }, | |
4615 | .show = ipr_show_resource_type | |
4616 | }; | |
4617 | ||
f8ee25d7 WX |
4618 | /** |
4619 | * ipr_show_raw_mode - Show the adapter's raw mode | |
4620 | * @dev: class device struct | |
4621 | * @buf: buffer | |
4622 | * | |
4623 | * Return value: | |
4624 | * number of bytes printed to buffer | |
4625 | **/ | |
4626 | static ssize_t ipr_show_raw_mode(struct device *dev, | |
4627 | struct device_attribute *attr, char *buf) | |
4628 | { | |
4629 | struct scsi_device *sdev = to_scsi_device(dev); | |
4630 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)sdev->host->hostdata; | |
4631 | struct ipr_resource_entry *res; | |
4632 | unsigned long lock_flags = 0; | |
4633 | ssize_t len; | |
4634 | ||
4635 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4636 | res = (struct ipr_resource_entry *)sdev->hostdata; | |
4637 | if (res) | |
4638 | len = snprintf(buf, PAGE_SIZE, "%d\n", res->raw_mode); | |
4639 | else | |
4640 | len = -ENXIO; | |
4641 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4642 | return len; | |
4643 | } | |
4644 | ||
4645 | /** | |
4646 | * ipr_store_raw_mode - Change the adapter's raw mode | |
4647 | * @dev: class device struct | |
4648 | * @buf: buffer | |
4649 | * | |
4650 | * Return value: | |
4651 | * number of bytes printed to buffer | |
4652 | **/ | |
4653 | static ssize_t ipr_store_raw_mode(struct device *dev, | |
4654 | struct device_attribute *attr, | |
4655 | const char *buf, size_t count) | |
4656 | { | |
4657 | struct scsi_device *sdev = to_scsi_device(dev); | |
4658 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)sdev->host->hostdata; | |
4659 | struct ipr_resource_entry *res; | |
4660 | unsigned long lock_flags = 0; | |
4661 | ssize_t len; | |
4662 | ||
4663 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4664 | res = (struct ipr_resource_entry *)sdev->hostdata; | |
4665 | if (res) { | |
e35d7f27 | 4666 | if (ipr_is_af_dasd_device(res)) { |
f8ee25d7 WX |
4667 | res->raw_mode = simple_strtoul(buf, NULL, 10); |
4668 | len = strlen(buf); | |
4669 | if (res->sdev) | |
4670 | sdev_printk(KERN_INFO, res->sdev, "raw mode is %s\n", | |
4671 | res->raw_mode ? "enabled" : "disabled"); | |
4672 | } else | |
4673 | len = -EINVAL; | |
4674 | } else | |
4675 | len = -ENXIO; | |
4676 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4677 | return len; | |
4678 | } | |
4679 | ||
4680 | static struct device_attribute ipr_raw_mode_attr = { | |
4681 | .attr = { | |
4682 | .name = "raw_mode", | |
4683 | .mode = S_IRUGO | S_IWUSR, | |
4684 | }, | |
4685 | .show = ipr_show_raw_mode, | |
4686 | .store = ipr_store_raw_mode | |
4687 | }; | |
4688 | ||
1da177e4 LT |
4689 | static struct device_attribute *ipr_dev_attrs[] = { |
4690 | &ipr_adapter_handle_attr, | |
3e7ebdfa | 4691 | &ipr_resource_path_attr, |
46d74563 | 4692 | &ipr_device_id_attr, |
75576bb9 | 4693 | &ipr_resource_type_attr, |
f8ee25d7 | 4694 | &ipr_raw_mode_attr, |
1da177e4 LT |
4695 | NULL, |
4696 | }; | |
4697 | ||
4698 | /** | |
4699 | * ipr_biosparam - Return the HSC mapping | |
4700 | * @sdev: scsi device struct | |
4701 | * @block_device: block device pointer | |
4702 | * @capacity: capacity of the device | |
4703 | * @parm: Array containing returned HSC values. | |
4704 | * | |
4705 | * This function generates the HSC parms that fdisk uses. | |
4706 | * We want to make sure we return something that places partitions | |
4707 | * on 4k boundaries for best performance with the IOA. | |
4708 | * | |
4709 | * Return value: | |
4710 | * 0 on success | |
4711 | **/ | |
4712 | static int ipr_biosparam(struct scsi_device *sdev, | |
4713 | struct block_device *block_device, | |
4714 | sector_t capacity, int *parm) | |
4715 | { | |
4716 | int heads, sectors; | |
4717 | sector_t cylinders; | |
4718 | ||
4719 | heads = 128; | |
4720 | sectors = 32; | |
4721 | ||
4722 | cylinders = capacity; | |
4723 | sector_div(cylinders, (128 * 32)); | |
4724 | ||
4725 | /* return result */ | |
4726 | parm[0] = heads; | |
4727 | parm[1] = sectors; | |
4728 | parm[2] = cylinders; | |
4729 | ||
4730 | return 0; | |
4731 | } | |
4732 | ||
35a39691 BK |
4733 | /** |
4734 | * ipr_find_starget - Find target based on bus/target. | |
4735 | * @starget: scsi target struct | |
4736 | * | |
4737 | * Return value: | |
4738 | * resource entry pointer if found / NULL if not found | |
4739 | **/ | |
4740 | static struct ipr_resource_entry *ipr_find_starget(struct scsi_target *starget) | |
4741 | { | |
4742 | struct Scsi_Host *shost = dev_to_shost(&starget->dev); | |
4743 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *) shost->hostdata; | |
4744 | struct ipr_resource_entry *res; | |
4745 | ||
4746 | list_for_each_entry(res, &ioa_cfg->used_res_q, queue) { | |
3e7ebdfa | 4747 | if ((res->bus == starget->channel) && |
0ee1d714 | 4748 | (res->target == starget->id)) { |
35a39691 BK |
4749 | return res; |
4750 | } | |
4751 | } | |
4752 | ||
4753 | return NULL; | |
4754 | } | |
4755 | ||
4756 | static struct ata_port_info sata_port_info; | |
4757 | ||
4758 | /** | |
4759 | * ipr_target_alloc - Prepare for commands to a SCSI target | |
4760 | * @starget: scsi target struct | |
4761 | * | |
4762 | * If the device is a SATA device, this function allocates an | |
4763 | * ATA port with libata, else it does nothing. | |
4764 | * | |
4765 | * Return value: | |
4766 | * 0 on success / non-0 on failure | |
4767 | **/ | |
4768 | static int ipr_target_alloc(struct scsi_target *starget) | |
4769 | { | |
4770 | struct Scsi_Host *shost = dev_to_shost(&starget->dev); | |
4771 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *) shost->hostdata; | |
4772 | struct ipr_sata_port *sata_port; | |
4773 | struct ata_port *ap; | |
4774 | struct ipr_resource_entry *res; | |
4775 | unsigned long lock_flags; | |
4776 | ||
4777 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4778 | res = ipr_find_starget(starget); | |
4779 | starget->hostdata = NULL; | |
4780 | ||
4781 | if (res && ipr_is_gata(res)) { | |
4782 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4783 | sata_port = kzalloc(sizeof(*sata_port), GFP_KERNEL); | |
4784 | if (!sata_port) | |
4785 | return -ENOMEM; | |
4786 | ||
4787 | ap = ata_sas_port_alloc(&ioa_cfg->ata_host, &sata_port_info, shost); | |
4788 | if (ap) { | |
4789 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4790 | sata_port->ioa_cfg = ioa_cfg; | |
4791 | sata_port->ap = ap; | |
4792 | sata_port->res = res; | |
4793 | ||
4794 | res->sata_port = sata_port; | |
4795 | ap->private_data = sata_port; | |
4796 | starget->hostdata = sata_port; | |
4797 | } else { | |
4798 | kfree(sata_port); | |
4799 | return -ENOMEM; | |
4800 | } | |
4801 | } | |
4802 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4803 | ||
4804 | return 0; | |
4805 | } | |
4806 | ||
4807 | /** | |
4808 | * ipr_target_destroy - Destroy a SCSI target | |
4809 | * @starget: scsi target struct | |
4810 | * | |
4811 | * If the device was a SATA device, this function frees the libata | |
4812 | * ATA port, else it does nothing. | |
4813 | * | |
4814 | **/ | |
4815 | static void ipr_target_destroy(struct scsi_target *starget) | |
4816 | { | |
4817 | struct ipr_sata_port *sata_port = starget->hostdata; | |
3e7ebdfa WB |
4818 | struct Scsi_Host *shost = dev_to_shost(&starget->dev); |
4819 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *) shost->hostdata; | |
4820 | ||
4821 | if (ioa_cfg->sis64) { | |
0ee1d714 BK |
4822 | if (!ipr_find_starget(starget)) { |
4823 | if (starget->channel == IPR_ARRAY_VIRTUAL_BUS) | |
4824 | clear_bit(starget->id, ioa_cfg->array_ids); | |
4825 | else if (starget->channel == IPR_VSET_VIRTUAL_BUS) | |
4826 | clear_bit(starget->id, ioa_cfg->vset_ids); | |
4827 | else if (starget->channel == 0) | |
4828 | clear_bit(starget->id, ioa_cfg->target_ids); | |
4829 | } | |
3e7ebdfa | 4830 | } |
35a39691 BK |
4831 | |
4832 | if (sata_port) { | |
4833 | starget->hostdata = NULL; | |
4834 | ata_sas_port_destroy(sata_port->ap); | |
4835 | kfree(sata_port); | |
4836 | } | |
4837 | } | |
4838 | ||
4839 | /** | |
4840 | * ipr_find_sdev - Find device based on bus/target/lun. | |
4841 | * @sdev: scsi device struct | |
4842 | * | |
4843 | * Return value: | |
4844 | * resource entry pointer if found / NULL if not found | |
4845 | **/ | |
4846 | static struct ipr_resource_entry *ipr_find_sdev(struct scsi_device *sdev) | |
4847 | { | |
4848 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *) sdev->host->hostdata; | |
4849 | struct ipr_resource_entry *res; | |
4850 | ||
4851 | list_for_each_entry(res, &ioa_cfg->used_res_q, queue) { | |
3e7ebdfa WB |
4852 | if ((res->bus == sdev->channel) && |
4853 | (res->target == sdev->id) && | |
4854 | (res->lun == sdev->lun)) | |
35a39691 BK |
4855 | return res; |
4856 | } | |
4857 | ||
4858 | return NULL; | |
4859 | } | |
4860 | ||
1da177e4 LT |
4861 | /** |
4862 | * ipr_slave_destroy - Unconfigure a SCSI device | |
4863 | * @sdev: scsi device struct | |
4864 | * | |
4865 | * Return value: | |
4866 | * nothing | |
4867 | **/ | |
4868 | static void ipr_slave_destroy(struct scsi_device *sdev) | |
4869 | { | |
4870 | struct ipr_resource_entry *res; | |
4871 | struct ipr_ioa_cfg *ioa_cfg; | |
4872 | unsigned long lock_flags = 0; | |
4873 | ||
4874 | ioa_cfg = (struct ipr_ioa_cfg *) sdev->host->hostdata; | |
4875 | ||
4876 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4877 | res = (struct ipr_resource_entry *) sdev->hostdata; | |
4878 | if (res) { | |
35a39691 | 4879 | if (res->sata_port) |
3e4ec344 | 4880 | res->sata_port->ap->link.device[0].class = ATA_DEV_NONE; |
1da177e4 LT |
4881 | sdev->hostdata = NULL; |
4882 | res->sdev = NULL; | |
35a39691 | 4883 | res->sata_port = NULL; |
1da177e4 LT |
4884 | } |
4885 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4886 | } | |
4887 | ||
4888 | /** | |
4889 | * ipr_slave_configure - Configure a SCSI device | |
4890 | * @sdev: scsi device struct | |
4891 | * | |
4892 | * This function configures the specified scsi device. | |
4893 | * | |
4894 | * Return value: | |
4895 | * 0 on success | |
4896 | **/ | |
4897 | static int ipr_slave_configure(struct scsi_device *sdev) | |
4898 | { | |
4899 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *) sdev->host->hostdata; | |
4900 | struct ipr_resource_entry *res; | |
dd406ef8 | 4901 | struct ata_port *ap = NULL; |
1da177e4 | 4902 | unsigned long lock_flags = 0; |
3e7ebdfa | 4903 | char buffer[IPR_MAX_RES_PATH_LENGTH]; |
1da177e4 LT |
4904 | |
4905 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4906 | res = sdev->hostdata; | |
4907 | if (res) { | |
4908 | if (ipr_is_af_dasd_device(res)) | |
4909 | sdev->type = TYPE_RAID; | |
0726ce26 | 4910 | if (ipr_is_af_dasd_device(res) || ipr_is_ioa_resource(res)) { |
1da177e4 | 4911 | sdev->scsi_level = 4; |
0726ce26 BK |
4912 | sdev->no_uld_attach = 1; |
4913 | } | |
1da177e4 | 4914 | if (ipr_is_vset_device(res)) { |
60654e25 | 4915 | sdev->scsi_level = SCSI_SPC_3; |
723cd772 | 4916 | sdev->no_report_opcodes = 1; |
242f9dcb JA |
4917 | blk_queue_rq_timeout(sdev->request_queue, |
4918 | IPR_VSET_RW_TIMEOUT); | |
086fa5ff | 4919 | blk_queue_max_hw_sectors(sdev->request_queue, IPR_VSET_MAX_SECTORS); |
1da177e4 | 4920 | } |
dd406ef8 BK |
4921 | if (ipr_is_gata(res) && res->sata_port) |
4922 | ap = res->sata_port->ap; | |
4923 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4924 | ||
4925 | if (ap) { | |
db5ed4df | 4926 | scsi_change_queue_depth(sdev, IPR_MAX_CMD_PER_ATA_LUN); |
dd406ef8 | 4927 | ata_sas_slave_configure(sdev, ap); |
c8b09f6f CH |
4928 | } |
4929 | ||
3e7ebdfa WB |
4930 | if (ioa_cfg->sis64) |
4931 | sdev_printk(KERN_INFO, sdev, "Resource path: %s\n", | |
b3b3b407 BK |
4932 | ipr_format_res_path(ioa_cfg, |
4933 | res->res_path, buffer, sizeof(buffer))); | |
dd406ef8 | 4934 | return 0; |
1da177e4 LT |
4935 | } |
4936 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4937 | return 0; | |
4938 | } | |
4939 | ||
35a39691 BK |
4940 | /** |
4941 | * ipr_ata_slave_alloc - Prepare for commands to a SATA device | |
4942 | * @sdev: scsi device struct | |
4943 | * | |
4944 | * This function initializes an ATA port so that future commands | |
4945 | * sent through queuecommand will work. | |
4946 | * | |
4947 | * Return value: | |
4948 | * 0 on success | |
4949 | **/ | |
4950 | static int ipr_ata_slave_alloc(struct scsi_device *sdev) | |
4951 | { | |
4952 | struct ipr_sata_port *sata_port = NULL; | |
4953 | int rc = -ENXIO; | |
4954 | ||
4955 | ENTER; | |
4956 | if (sdev->sdev_target) | |
4957 | sata_port = sdev->sdev_target->hostdata; | |
b2024459 | 4958 | if (sata_port) { |
35a39691 | 4959 | rc = ata_sas_port_init(sata_port->ap); |
b2024459 DW |
4960 | if (rc == 0) |
4961 | rc = ata_sas_sync_probe(sata_port->ap); | |
4962 | } | |
4963 | ||
35a39691 BK |
4964 | if (rc) |
4965 | ipr_slave_destroy(sdev); | |
4966 | ||
4967 | LEAVE; | |
4968 | return rc; | |
4969 | } | |
4970 | ||
1da177e4 LT |
4971 | /** |
4972 | * ipr_slave_alloc - Prepare for commands to a device. | |
4973 | * @sdev: scsi device struct | |
4974 | * | |
4975 | * This function saves a pointer to the resource entry | |
4976 | * in the scsi device struct if the device exists. We | |
4977 | * can then use this pointer in ipr_queuecommand when | |
4978 | * handling new commands. | |
4979 | * | |
4980 | * Return value: | |
692aebfc | 4981 | * 0 on success / -ENXIO if device does not exist |
1da177e4 LT |
4982 | **/ |
4983 | static int ipr_slave_alloc(struct scsi_device *sdev) | |
4984 | { | |
4985 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *) sdev->host->hostdata; | |
4986 | struct ipr_resource_entry *res; | |
4987 | unsigned long lock_flags; | |
692aebfc | 4988 | int rc = -ENXIO; |
1da177e4 LT |
4989 | |
4990 | sdev->hostdata = NULL; | |
4991 | ||
4992 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4993 | ||
35a39691 BK |
4994 | res = ipr_find_sdev(sdev); |
4995 | if (res) { | |
4996 | res->sdev = sdev; | |
4997 | res->add_to_ml = 0; | |
4998 | res->in_erp = 0; | |
4999 | sdev->hostdata = res; | |
5000 | if (!ipr_is_naca_model(res)) | |
5001 | res->needs_sync_complete = 1; | |
5002 | rc = 0; | |
5003 | if (ipr_is_gata(res)) { | |
5004 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
5005 | return ipr_ata_slave_alloc(sdev); | |
1da177e4 LT |
5006 | } |
5007 | } | |
5008 | ||
5009 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
5010 | ||
692aebfc | 5011 | return rc; |
1da177e4 LT |
5012 | } |
5013 | ||
6cdb0817 BK |
5014 | /** |
5015 | * ipr_match_lun - Match function for specified LUN | |
5016 | * @ipr_cmd: ipr command struct | |
5017 | * @device: device to match (sdev) | |
5018 | * | |
5019 | * Returns: | |
5020 | * 1 if command matches sdev / 0 if command does not match sdev | |
5021 | **/ | |
5022 | static int ipr_match_lun(struct ipr_cmnd *ipr_cmd, void *device) | |
5023 | { | |
5024 | if (ipr_cmd->scsi_cmd && ipr_cmd->scsi_cmd->device == device) | |
5025 | return 1; | |
5026 | return 0; | |
5027 | } | |
5028 | ||
439ae285 BK |
5029 | /** |
5030 | * ipr_cmnd_is_free - Check if a command is free or not | |
5031 | * @ipr_cmd ipr command struct | |
5032 | * | |
5033 | * Returns: | |
5034 | * true / false | |
5035 | **/ | |
5036 | static bool ipr_cmnd_is_free(struct ipr_cmnd *ipr_cmd) | |
5037 | { | |
5038 | struct ipr_cmnd *loop_cmd; | |
5039 | ||
5040 | list_for_each_entry(loop_cmd, &ipr_cmd->hrrq->hrrq_free_q, queue) { | |
5041 | if (loop_cmd == ipr_cmd) | |
5042 | return true; | |
5043 | } | |
5044 | ||
5045 | return false; | |
5046 | } | |
5047 | ||
ef97d8ae BK |
5048 | /** |
5049 | * ipr_match_res - Match function for specified resource entry | |
5050 | * @ipr_cmd: ipr command struct | |
5051 | * @resource: resource entry to match | |
5052 | * | |
5053 | * Returns: | |
5054 | * 1 if command matches sdev / 0 if command does not match sdev | |
5055 | **/ | |
5056 | static int ipr_match_res(struct ipr_cmnd *ipr_cmd, void *resource) | |
5057 | { | |
5058 | struct ipr_resource_entry *res = resource; | |
5059 | ||
5060 | if (res && ipr_cmd->ioarcb.res_handle == res->res_handle) | |
5061 | return 1; | |
5062 | return 0; | |
5063 | } | |
5064 | ||
6cdb0817 BK |
5065 | /** |
5066 | * ipr_wait_for_ops - Wait for matching commands to complete | |
5067 | * @ipr_cmd: ipr command struct | |
5068 | * @device: device to match (sdev) | |
5069 | * @match: match function to use | |
5070 | * | |
5071 | * Returns: | |
5072 | * SUCCESS / FAILED | |
5073 | **/ | |
5074 | static int ipr_wait_for_ops(struct ipr_ioa_cfg *ioa_cfg, void *device, | |
5075 | int (*match)(struct ipr_cmnd *, void *)) | |
5076 | { | |
5077 | struct ipr_cmnd *ipr_cmd; | |
439ae285 | 5078 | int wait, i; |
6cdb0817 BK |
5079 | unsigned long flags; |
5080 | struct ipr_hrr_queue *hrrq; | |
5081 | signed long timeout = IPR_ABORT_TASK_TIMEOUT; | |
5082 | DECLARE_COMPLETION_ONSTACK(comp); | |
5083 | ||
5084 | ENTER; | |
5085 | do { | |
5086 | wait = 0; | |
5087 | ||
5088 | for_each_hrrq(hrrq, ioa_cfg) { | |
5089 | spin_lock_irqsave(hrrq->lock, flags); | |
439ae285 BK |
5090 | for (i = hrrq->min_cmd_id; i <= hrrq->max_cmd_id; i++) { |
5091 | ipr_cmd = ioa_cfg->ipr_cmnd_list[i]; | |
5092 | if (!ipr_cmnd_is_free(ipr_cmd)) { | |
5093 | if (match(ipr_cmd, device)) { | |
5094 | ipr_cmd->eh_comp = ∁ | |
5095 | wait++; | |
5096 | } | |
6cdb0817 BK |
5097 | } |
5098 | } | |
5099 | spin_unlock_irqrestore(hrrq->lock, flags); | |
5100 | } | |
5101 | ||
5102 | if (wait) { | |
5103 | timeout = wait_for_completion_timeout(&comp, timeout); | |
5104 | ||
5105 | if (!timeout) { | |
5106 | wait = 0; | |
5107 | ||
5108 | for_each_hrrq(hrrq, ioa_cfg) { | |
5109 | spin_lock_irqsave(hrrq->lock, flags); | |
439ae285 BK |
5110 | for (i = hrrq->min_cmd_id; i <= hrrq->max_cmd_id; i++) { |
5111 | ipr_cmd = ioa_cfg->ipr_cmnd_list[i]; | |
5112 | if (!ipr_cmnd_is_free(ipr_cmd)) { | |
5113 | if (match(ipr_cmd, device)) { | |
5114 | ipr_cmd->eh_comp = NULL; | |
5115 | wait++; | |
5116 | } | |
6cdb0817 BK |
5117 | } |
5118 | } | |
5119 | spin_unlock_irqrestore(hrrq->lock, flags); | |
5120 | } | |
5121 | ||
5122 | if (wait) | |
5123 | dev_err(&ioa_cfg->pdev->dev, "Timed out waiting for aborted commands\n"); | |
5124 | LEAVE; | |
5125 | return wait ? FAILED : SUCCESS; | |
5126 | } | |
5127 | } | |
5128 | } while (wait); | |
5129 | ||
5130 | LEAVE; | |
5131 | return SUCCESS; | |
5132 | } | |
5133 | ||
70233ac5 | 5134 | static int ipr_eh_host_reset(struct scsi_cmnd *cmd) |
1da177e4 LT |
5135 | { |
5136 | struct ipr_ioa_cfg *ioa_cfg; | |
70233ac5 | 5137 | unsigned long lock_flags = 0; |
5138 | int rc = SUCCESS; | |
1da177e4 LT |
5139 | |
5140 | ENTER; | |
70233ac5 | 5141 | ioa_cfg = (struct ipr_ioa_cfg *) cmd->device->host->hostdata; |
5142 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
1da177e4 | 5143 | |
96b04db9 | 5144 | if (!ioa_cfg->in_reset_reload && !ioa_cfg->hrrq[IPR_INIT_HRRQ].ioa_is_dead) { |
70233ac5 | 5145 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_ABBREV); |
a92fa25c KSS |
5146 | dev_err(&ioa_cfg->pdev->dev, |
5147 | "Adapter being reset as a result of error recovery.\n"); | |
1da177e4 | 5148 | |
a92fa25c KSS |
5149 | if (WAIT_FOR_DUMP == ioa_cfg->sdt_state) |
5150 | ioa_cfg->sdt_state = GET_DUMP; | |
5151 | } | |
1da177e4 | 5152 | |
70233ac5 | 5153 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
5154 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
5155 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
df0ae249 | 5156 | |
70233ac5 | 5157 | /* If we got hit with a host reset while we were already resetting |
5158 | the adapter for some reason, and the reset failed. */ | |
5159 | if (ioa_cfg->hrrq[IPR_INIT_HRRQ].ioa_is_dead) { | |
5160 | ipr_trace; | |
5161 | rc = FAILED; | |
5162 | } | |
df0ae249 | 5163 | |
70233ac5 | 5164 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
5165 | LEAVE; | |
df0ae249 JG |
5166 | return rc; |
5167 | } | |
5168 | ||
c6513096 BK |
5169 | /** |
5170 | * ipr_device_reset - Reset the device | |
5171 | * @ioa_cfg: ioa config struct | |
5172 | * @res: resource entry struct | |
5173 | * | |
5174 | * This function issues a device reset to the affected device. | |
5175 | * If the device is a SCSI device, a LUN reset will be sent | |
5176 | * to the device first. If that does not work, a target reset | |
35a39691 BK |
5177 | * will be sent. If the device is a SATA device, a PHY reset will |
5178 | * be sent. | |
c6513096 BK |
5179 | * |
5180 | * Return value: | |
5181 | * 0 on success / non-zero on failure | |
5182 | **/ | |
5183 | static int ipr_device_reset(struct ipr_ioa_cfg *ioa_cfg, | |
5184 | struct ipr_resource_entry *res) | |
5185 | { | |
5186 | struct ipr_cmnd *ipr_cmd; | |
5187 | struct ipr_ioarcb *ioarcb; | |
5188 | struct ipr_cmd_pkt *cmd_pkt; | |
35a39691 | 5189 | struct ipr_ioarcb_ata_regs *regs; |
c6513096 BK |
5190 | u32 ioasc; |
5191 | ||
5192 | ENTER; | |
5193 | ipr_cmd = ipr_get_free_ipr_cmnd(ioa_cfg); | |
5194 | ioarcb = &ipr_cmd->ioarcb; | |
5195 | cmd_pkt = &ioarcb->cmd_pkt; | |
a32c055f WB |
5196 | |
5197 | if (ipr_cmd->ioa_cfg->sis64) { | |
5198 | regs = &ipr_cmd->i.ata_ioadl.regs; | |
5199 | ioarcb->add_cmd_parms_offset = cpu_to_be16(sizeof(*ioarcb)); | |
5200 | } else | |
5201 | regs = &ioarcb->u.add_data.u.regs; | |
c6513096 | 5202 | |
3e7ebdfa | 5203 | ioarcb->res_handle = res->res_handle; |
c6513096 BK |
5204 | cmd_pkt->request_type = IPR_RQTYPE_IOACMD; |
5205 | cmd_pkt->cdb[0] = IPR_RESET_DEVICE; | |
35a39691 BK |
5206 | if (ipr_is_gata(res)) { |
5207 | cmd_pkt->cdb[2] = IPR_ATA_PHY_RESET; | |
a32c055f | 5208 | ioarcb->add_cmd_parms_len = cpu_to_be16(sizeof(regs->flags)); |
35a39691 BK |
5209 | regs->flags |= IPR_ATA_FLAG_STATUS_ON_GOOD_COMPLETION; |
5210 | } | |
c6513096 BK |
5211 | |
5212 | ipr_send_blocking_cmd(ipr_cmd, ipr_timeout, IPR_DEVICE_RESET_TIMEOUT); | |
96d21f00 | 5213 | ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
05a6538a | 5214 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
96d21f00 WB |
5215 | if (ipr_is_gata(res) && res->sata_port && ioasc != IPR_IOASC_IOA_WAS_RESET) { |
5216 | if (ipr_cmd->ioa_cfg->sis64) | |
5217 | memcpy(&res->sata_port->ioasa, &ipr_cmd->s.ioasa64.u.gata, | |
5218 | sizeof(struct ipr_ioasa_gata)); | |
5219 | else | |
5220 | memcpy(&res->sata_port->ioasa, &ipr_cmd->s.ioasa.u.gata, | |
5221 | sizeof(struct ipr_ioasa_gata)); | |
5222 | } | |
c6513096 BK |
5223 | |
5224 | LEAVE; | |
203fa3fe | 5225 | return IPR_IOASC_SENSE_KEY(ioasc) ? -EIO : 0; |
c6513096 BK |
5226 | } |
5227 | ||
35a39691 BK |
5228 | /** |
5229 | * ipr_sata_reset - Reset the SATA port | |
cc0680a5 | 5230 | * @link: SATA link to reset |
35a39691 BK |
5231 | * @classes: class of the attached device |
5232 | * | |
cc0680a5 | 5233 | * This function issues a SATA phy reset to the affected ATA link. |
35a39691 BK |
5234 | * |
5235 | * Return value: | |
5236 | * 0 on success / non-zero on failure | |
5237 | **/ | |
cc0680a5 | 5238 | static int ipr_sata_reset(struct ata_link *link, unsigned int *classes, |
120bda35 | 5239 | unsigned long deadline) |
35a39691 | 5240 | { |
cc0680a5 | 5241 | struct ipr_sata_port *sata_port = link->ap->private_data; |
35a39691 BK |
5242 | struct ipr_ioa_cfg *ioa_cfg = sata_port->ioa_cfg; |
5243 | struct ipr_resource_entry *res; | |
5244 | unsigned long lock_flags = 0; | |
ef97d8ae | 5245 | int rc = -ENXIO, ret; |
35a39691 BK |
5246 | |
5247 | ENTER; | |
5248 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
203fa3fe | 5249 | while (ioa_cfg->in_reset_reload) { |
73d98ff0 BK |
5250 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
5251 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
5252 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
5253 | } | |
5254 | ||
35a39691 BK |
5255 | res = sata_port->res; |
5256 | if (res) { | |
5257 | rc = ipr_device_reset(ioa_cfg, res); | |
3e7ebdfa | 5258 | *classes = res->ata_class; |
ef97d8ae BK |
5259 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
5260 | ||
5261 | ret = ipr_wait_for_ops(ioa_cfg, res, ipr_match_res); | |
5262 | if (ret != SUCCESS) { | |
5263 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
5264 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_ABBREV); | |
5265 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
5266 | ||
5267 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
5268 | } | |
5269 | } else | |
5270 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
35a39691 | 5271 | |
35a39691 BK |
5272 | LEAVE; |
5273 | return rc; | |
5274 | } | |
5275 | ||
1da177e4 LT |
5276 | /** |
5277 | * ipr_eh_dev_reset - Reset the device | |
5278 | * @scsi_cmd: scsi command struct | |
5279 | * | |
5280 | * This function issues a device reset to the affected device. | |
5281 | * A LUN reset will be sent to the device first. If that does | |
5282 | * not work, a target reset will be sent. | |
5283 | * | |
5284 | * Return value: | |
5285 | * SUCCESS / FAILED | |
5286 | **/ | |
203fa3fe | 5287 | static int __ipr_eh_dev_reset(struct scsi_cmnd *scsi_cmd) |
1da177e4 LT |
5288 | { |
5289 | struct ipr_cmnd *ipr_cmd; | |
5290 | struct ipr_ioa_cfg *ioa_cfg; | |
5291 | struct ipr_resource_entry *res; | |
35a39691 | 5292 | struct ata_port *ap; |
439ae285 | 5293 | int rc = 0, i; |
05a6538a | 5294 | struct ipr_hrr_queue *hrrq; |
1da177e4 LT |
5295 | |
5296 | ENTER; | |
5297 | ioa_cfg = (struct ipr_ioa_cfg *) scsi_cmd->device->host->hostdata; | |
5298 | res = scsi_cmd->device->hostdata; | |
5299 | ||
1da177e4 LT |
5300 | /* |
5301 | * If we are currently going through reset/reload, return failed. This will force the | |
5302 | * mid-layer to call ipr_eh_host_reset, which will then go to sleep and wait for the | |
5303 | * reset to complete | |
5304 | */ | |
5305 | if (ioa_cfg->in_reset_reload) | |
5306 | return FAILED; | |
56d6aa33 | 5307 | if (ioa_cfg->hrrq[IPR_INIT_HRRQ].ioa_is_dead) |
1da177e4 LT |
5308 | return FAILED; |
5309 | ||
05a6538a | 5310 | for_each_hrrq(hrrq, ioa_cfg) { |
56d6aa33 | 5311 | spin_lock(&hrrq->_lock); |
439ae285 BK |
5312 | for (i = hrrq->min_cmd_id; i <= hrrq->max_cmd_id; i++) { |
5313 | ipr_cmd = ioa_cfg->ipr_cmnd_list[i]; | |
5314 | ||
05a6538a | 5315 | if (ipr_cmd->ioarcb.res_handle == res->res_handle) { |
960e9648 BK |
5316 | if (!ipr_cmd->qc) |
5317 | continue; | |
439ae285 BK |
5318 | if (ipr_cmnd_is_free(ipr_cmd)) |
5319 | continue; | |
960e9648 BK |
5320 | |
5321 | ipr_cmd->done = ipr_sata_eh_done; | |
5322 | if (!(ipr_cmd->qc->flags & ATA_QCFLAG_FAILED)) { | |
05a6538a | 5323 | ipr_cmd->qc->err_mask |= AC_ERR_TIMEOUT; |
5324 | ipr_cmd->qc->flags |= ATA_QCFLAG_FAILED; | |
5325 | } | |
7402ecef | 5326 | } |
1da177e4 | 5327 | } |
56d6aa33 | 5328 | spin_unlock(&hrrq->_lock); |
1da177e4 | 5329 | } |
1da177e4 | 5330 | res->resetting_device = 1; |
fb3ed3cb | 5331 | scmd_printk(KERN_ERR, scsi_cmd, "Resetting device\n"); |
35a39691 BK |
5332 | |
5333 | if (ipr_is_gata(res) && res->sata_port) { | |
5334 | ap = res->sata_port->ap; | |
5335 | spin_unlock_irq(scsi_cmd->device->host->host_lock); | |
a1efdaba | 5336 | ata_std_error_handler(ap); |
35a39691 BK |
5337 | spin_lock_irq(scsi_cmd->device->host->host_lock); |
5338 | } else | |
5339 | rc = ipr_device_reset(ioa_cfg, res); | |
1da177e4 | 5340 | res->resetting_device = 0; |
0b1f8d44 | 5341 | res->reset_occurred = 1; |
1da177e4 | 5342 | |
1da177e4 | 5343 | LEAVE; |
203fa3fe | 5344 | return rc ? FAILED : SUCCESS; |
1da177e4 LT |
5345 | } |
5346 | ||
203fa3fe | 5347 | static int ipr_eh_dev_reset(struct scsi_cmnd *cmd) |
94d0e7b8 JG |
5348 | { |
5349 | int rc; | |
6cdb0817 | 5350 | struct ipr_ioa_cfg *ioa_cfg; |
ef97d8ae | 5351 | struct ipr_resource_entry *res; |
6cdb0817 BK |
5352 | |
5353 | ioa_cfg = (struct ipr_ioa_cfg *) cmd->device->host->hostdata; | |
ef97d8ae BK |
5354 | res = cmd->device->hostdata; |
5355 | ||
5356 | if (!res) | |
5357 | return FAILED; | |
94d0e7b8 JG |
5358 | |
5359 | spin_lock_irq(cmd->device->host->host_lock); | |
5360 | rc = __ipr_eh_dev_reset(cmd); | |
5361 | spin_unlock_irq(cmd->device->host->host_lock); | |
5362 | ||
ef97d8ae BK |
5363 | if (rc == SUCCESS) { |
5364 | if (ipr_is_gata(res) && res->sata_port) | |
5365 | rc = ipr_wait_for_ops(ioa_cfg, res, ipr_match_res); | |
5366 | else | |
5367 | rc = ipr_wait_for_ops(ioa_cfg, cmd->device, ipr_match_lun); | |
5368 | } | |
6cdb0817 | 5369 | |
94d0e7b8 JG |
5370 | return rc; |
5371 | } | |
5372 | ||
1da177e4 LT |
5373 | /** |
5374 | * ipr_bus_reset_done - Op done function for bus reset. | |
5375 | * @ipr_cmd: ipr command struct | |
5376 | * | |
5377 | * This function is the op done function for a bus reset | |
5378 | * | |
5379 | * Return value: | |
5380 | * none | |
5381 | **/ | |
5382 | static void ipr_bus_reset_done(struct ipr_cmnd *ipr_cmd) | |
5383 | { | |
5384 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
5385 | struct ipr_resource_entry *res; | |
5386 | ||
5387 | ENTER; | |
3e7ebdfa WB |
5388 | if (!ioa_cfg->sis64) |
5389 | list_for_each_entry(res, &ioa_cfg->used_res_q, queue) { | |
5390 | if (res->res_handle == ipr_cmd->ioarcb.res_handle) { | |
5391 | scsi_report_bus_reset(ioa_cfg->host, res->bus); | |
5392 | break; | |
5393 | } | |
1da177e4 | 5394 | } |
1da177e4 LT |
5395 | |
5396 | /* | |
5397 | * If abort has not completed, indicate the reset has, else call the | |
5398 | * abort's done function to wake the sleeping eh thread | |
5399 | */ | |
5400 | if (ipr_cmd->sibling->sibling) | |
5401 | ipr_cmd->sibling->sibling = NULL; | |
5402 | else | |
5403 | ipr_cmd->sibling->done(ipr_cmd->sibling); | |
5404 | ||
05a6538a | 5405 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
1da177e4 LT |
5406 | LEAVE; |
5407 | } | |
5408 | ||
5409 | /** | |
5410 | * ipr_abort_timeout - An abort task has timed out | |
5411 | * @ipr_cmd: ipr command struct | |
5412 | * | |
5413 | * This function handles when an abort task times out. If this | |
5414 | * happens we issue a bus reset since we have resources tied | |
5415 | * up that must be freed before returning to the midlayer. | |
5416 | * | |
5417 | * Return value: | |
5418 | * none | |
5419 | **/ | |
738c6ec5 | 5420 | static void ipr_abort_timeout(struct timer_list *t) |
1da177e4 | 5421 | { |
738c6ec5 | 5422 | struct ipr_cmnd *ipr_cmd = from_timer(ipr_cmd, t, timer); |
1da177e4 LT |
5423 | struct ipr_cmnd *reset_cmd; |
5424 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
5425 | struct ipr_cmd_pkt *cmd_pkt; | |
5426 | unsigned long lock_flags = 0; | |
5427 | ||
5428 | ENTER; | |
5429 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
5430 | if (ipr_cmd->completion.done || ioa_cfg->in_reset_reload) { | |
5431 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
5432 | return; | |
5433 | } | |
5434 | ||
fb3ed3cb | 5435 | sdev_printk(KERN_ERR, ipr_cmd->u.sdev, "Abort timed out. Resetting bus.\n"); |
1da177e4 LT |
5436 | reset_cmd = ipr_get_free_ipr_cmnd(ioa_cfg); |
5437 | ipr_cmd->sibling = reset_cmd; | |
5438 | reset_cmd->sibling = ipr_cmd; | |
5439 | reset_cmd->ioarcb.res_handle = ipr_cmd->ioarcb.res_handle; | |
5440 | cmd_pkt = &reset_cmd->ioarcb.cmd_pkt; | |
5441 | cmd_pkt->request_type = IPR_RQTYPE_IOACMD; | |
5442 | cmd_pkt->cdb[0] = IPR_RESET_DEVICE; | |
5443 | cmd_pkt->cdb[2] = IPR_RESET_TYPE_SELECT | IPR_BUS_RESET; | |
5444 | ||
5445 | ipr_do_req(reset_cmd, ipr_bus_reset_done, ipr_timeout, IPR_DEVICE_RESET_TIMEOUT); | |
5446 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
5447 | LEAVE; | |
5448 | } | |
5449 | ||
5450 | /** | |
5451 | * ipr_cancel_op - Cancel specified op | |
5452 | * @scsi_cmd: scsi command struct | |
5453 | * | |
5454 | * This function cancels specified op. | |
5455 | * | |
5456 | * Return value: | |
5457 | * SUCCESS / FAILED | |
5458 | **/ | |
203fa3fe | 5459 | static int ipr_cancel_op(struct scsi_cmnd *scsi_cmd) |
1da177e4 LT |
5460 | { |
5461 | struct ipr_cmnd *ipr_cmd; | |
5462 | struct ipr_ioa_cfg *ioa_cfg; | |
5463 | struct ipr_resource_entry *res; | |
5464 | struct ipr_cmd_pkt *cmd_pkt; | |
a92fa25c | 5465 | u32 ioasc, int_reg; |
439ae285 | 5466 | int i, op_found = 0; |
05a6538a | 5467 | struct ipr_hrr_queue *hrrq; |
1da177e4 LT |
5468 | |
5469 | ENTER; | |
5470 | ioa_cfg = (struct ipr_ioa_cfg *)scsi_cmd->device->host->hostdata; | |
5471 | res = scsi_cmd->device->hostdata; | |
5472 | ||
8fa728a2 JG |
5473 | /* If we are currently going through reset/reload, return failed. |
5474 | * This will force the mid-layer to call ipr_eh_host_reset, | |
5475 | * which will then go to sleep and wait for the reset to complete | |
5476 | */ | |
56d6aa33 | 5477 | if (ioa_cfg->in_reset_reload || |
5478 | ioa_cfg->hrrq[IPR_INIT_HRRQ].ioa_is_dead) | |
8fa728a2 | 5479 | return FAILED; |
a92fa25c KSS |
5480 | if (!res) |
5481 | return FAILED; | |
5482 | ||
5483 | /* | |
5484 | * If we are aborting a timed out op, chances are that the timeout was caused | |
5485 | * by a still not detected EEH error. In such cases, reading a register will | |
5486 | * trigger the EEH recovery infrastructure. | |
5487 | */ | |
5488 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg); | |
5489 | ||
5490 | if (!ipr_is_gscsi(res)) | |
1da177e4 LT |
5491 | return FAILED; |
5492 | ||
05a6538a | 5493 | for_each_hrrq(hrrq, ioa_cfg) { |
56d6aa33 | 5494 | spin_lock(&hrrq->_lock); |
439ae285 BK |
5495 | for (i = hrrq->min_cmd_id; i <= hrrq->max_cmd_id; i++) { |
5496 | if (ioa_cfg->ipr_cmnd_list[i]->scsi_cmd == scsi_cmd) { | |
5497 | if (!ipr_cmnd_is_free(ioa_cfg->ipr_cmnd_list[i])) { | |
5498 | op_found = 1; | |
5499 | break; | |
5500 | } | |
05a6538a | 5501 | } |
1da177e4 | 5502 | } |
56d6aa33 | 5503 | spin_unlock(&hrrq->_lock); |
1da177e4 LT |
5504 | } |
5505 | ||
5506 | if (!op_found) | |
5507 | return SUCCESS; | |
5508 | ||
5509 | ipr_cmd = ipr_get_free_ipr_cmnd(ioa_cfg); | |
3e7ebdfa | 5510 | ipr_cmd->ioarcb.res_handle = res->res_handle; |
1da177e4 LT |
5511 | cmd_pkt = &ipr_cmd->ioarcb.cmd_pkt; |
5512 | cmd_pkt->request_type = IPR_RQTYPE_IOACMD; | |
5513 | cmd_pkt->cdb[0] = IPR_CANCEL_ALL_REQUESTS; | |
5514 | ipr_cmd->u.sdev = scsi_cmd->device; | |
5515 | ||
fb3ed3cb BK |
5516 | scmd_printk(KERN_ERR, scsi_cmd, "Aborting command: %02X\n", |
5517 | scsi_cmd->cmnd[0]); | |
1da177e4 | 5518 | ipr_send_blocking_cmd(ipr_cmd, ipr_abort_timeout, IPR_CANCEL_ALL_TIMEOUT); |
96d21f00 | 5519 | ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
1da177e4 LT |
5520 | |
5521 | /* | |
5522 | * If the abort task timed out and we sent a bus reset, we will get | |
5523 | * one the following responses to the abort | |
5524 | */ | |
5525 | if (ioasc == IPR_IOASC_BUS_WAS_RESET || ioasc == IPR_IOASC_SYNC_REQUIRED) { | |
5526 | ioasc = 0; | |
5527 | ipr_trace; | |
5528 | } | |
5529 | ||
c4ee22a3 | 5530 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
ee0a90fa BK |
5531 | if (!ipr_is_naca_model(res)) |
5532 | res->needs_sync_complete = 1; | |
1da177e4 LT |
5533 | |
5534 | LEAVE; | |
203fa3fe | 5535 | return IPR_IOASC_SENSE_KEY(ioasc) ? FAILED : SUCCESS; |
1da177e4 LT |
5536 | } |
5537 | ||
5538 | /** | |
5539 | * ipr_eh_abort - Abort a single op | |
5540 | * @scsi_cmd: scsi command struct | |
5541 | * | |
5542 | * Return value: | |
f688f96d BK |
5543 | * 0 if scan in progress / 1 if scan is complete |
5544 | **/ | |
5545 | static int ipr_scan_finished(struct Scsi_Host *shost, unsigned long elapsed_time) | |
5546 | { | |
5547 | unsigned long lock_flags; | |
5548 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *) shost->hostdata; | |
5549 | int rc = 0; | |
5550 | ||
5551 | spin_lock_irqsave(shost->host_lock, lock_flags); | |
5552 | if (ioa_cfg->hrrq[IPR_INIT_HRRQ].ioa_is_dead || ioa_cfg->scan_done) | |
5553 | rc = 1; | |
5554 | if ((elapsed_time/HZ) > (ioa_cfg->transop_timeout * 2)) | |
5555 | rc = 1; | |
5556 | spin_unlock_irqrestore(shost->host_lock, lock_flags); | |
5557 | return rc; | |
5558 | } | |
5559 | ||
5560 | /** | |
5561 | * ipr_eh_host_reset - Reset the host adapter | |
5562 | * @scsi_cmd: scsi command struct | |
5563 | * | |
5564 | * Return value: | |
1da177e4 LT |
5565 | * SUCCESS / FAILED |
5566 | **/ | |
203fa3fe | 5567 | static int ipr_eh_abort(struct scsi_cmnd *scsi_cmd) |
1da177e4 | 5568 | { |
8fa728a2 JG |
5569 | unsigned long flags; |
5570 | int rc; | |
6cdb0817 | 5571 | struct ipr_ioa_cfg *ioa_cfg; |
1da177e4 LT |
5572 | |
5573 | ENTER; | |
1da177e4 | 5574 | |
6cdb0817 BK |
5575 | ioa_cfg = (struct ipr_ioa_cfg *) scsi_cmd->device->host->hostdata; |
5576 | ||
8fa728a2 JG |
5577 | spin_lock_irqsave(scsi_cmd->device->host->host_lock, flags); |
5578 | rc = ipr_cancel_op(scsi_cmd); | |
5579 | spin_unlock_irqrestore(scsi_cmd->device->host->host_lock, flags); | |
1da177e4 | 5580 | |
6cdb0817 BK |
5581 | if (rc == SUCCESS) |
5582 | rc = ipr_wait_for_ops(ioa_cfg, scsi_cmd->device, ipr_match_lun); | |
1da177e4 | 5583 | LEAVE; |
8fa728a2 | 5584 | return rc; |
1da177e4 LT |
5585 | } |
5586 | ||
5587 | /** | |
5588 | * ipr_handle_other_interrupt - Handle "other" interrupts | |
5589 | * @ioa_cfg: ioa config struct | |
634651fa | 5590 | * @int_reg: interrupt register |
1da177e4 LT |
5591 | * |
5592 | * Return value: | |
5593 | * IRQ_NONE / IRQ_HANDLED | |
5594 | **/ | |
634651fa | 5595 | static irqreturn_t ipr_handle_other_interrupt(struct ipr_ioa_cfg *ioa_cfg, |
630ad831 | 5596 | u32 int_reg) |
1da177e4 LT |
5597 | { |
5598 | irqreturn_t rc = IRQ_HANDLED; | |
7dacb64f | 5599 | u32 int_mask_reg; |
56d6aa33 | 5600 | |
7dacb64f WB |
5601 | int_mask_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg32); |
5602 | int_reg &= ~int_mask_reg; | |
5603 | ||
5604 | /* If an interrupt on the adapter did not occur, ignore it. | |
5605 | * Or in the case of SIS 64, check for a stage change interrupt. | |
5606 | */ | |
5607 | if ((int_reg & IPR_PCII_OPER_INTERRUPTS) == 0) { | |
5608 | if (ioa_cfg->sis64) { | |
5609 | int_mask_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg); | |
5610 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg) & ~int_mask_reg; | |
5611 | if (int_reg & IPR_PCII_IPL_STAGE_CHANGE) { | |
5612 | ||
5613 | /* clear stage change */ | |
5614 | writel(IPR_PCII_IPL_STAGE_CHANGE, ioa_cfg->regs.clr_interrupt_reg); | |
5615 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg) & ~int_mask_reg; | |
5616 | list_del(&ioa_cfg->reset_cmd->queue); | |
5617 | del_timer(&ioa_cfg->reset_cmd->timer); | |
5618 | ipr_reset_ioa_job(ioa_cfg->reset_cmd); | |
5619 | return IRQ_HANDLED; | |
5620 | } | |
5621 | } | |
5622 | ||
5623 | return IRQ_NONE; | |
5624 | } | |
1da177e4 LT |
5625 | |
5626 | if (int_reg & IPR_PCII_IOA_TRANS_TO_OPER) { | |
5627 | /* Mask the interrupt */ | |
5628 | writel(IPR_PCII_IOA_TRANS_TO_OPER, ioa_cfg->regs.set_interrupt_mask_reg); | |
1da177e4 LT |
5629 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg); |
5630 | ||
5631 | list_del(&ioa_cfg->reset_cmd->queue); | |
5632 | del_timer(&ioa_cfg->reset_cmd->timer); | |
5633 | ipr_reset_ioa_job(ioa_cfg->reset_cmd); | |
7dacb64f | 5634 | } else if ((int_reg & IPR_PCII_HRRQ_UPDATED) == int_reg) { |
7dd21308 BK |
5635 | if (ioa_cfg->clear_isr) { |
5636 | if (ipr_debug && printk_ratelimit()) | |
5637 | dev_err(&ioa_cfg->pdev->dev, | |
5638 | "Spurious interrupt detected. 0x%08X\n", int_reg); | |
5639 | writel(IPR_PCII_HRRQ_UPDATED, ioa_cfg->regs.clr_interrupt_reg32); | |
5640 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg32); | |
5641 | return IRQ_NONE; | |
5642 | } | |
1da177e4 LT |
5643 | } else { |
5644 | if (int_reg & IPR_PCII_IOA_UNIT_CHECKED) | |
5645 | ioa_cfg->ioa_unit_checked = 1; | |
05a6538a | 5646 | else if (int_reg & IPR_PCII_NO_HOST_RRQ) |
5647 | dev_err(&ioa_cfg->pdev->dev, | |
5648 | "No Host RRQ. 0x%08X\n", int_reg); | |
1da177e4 LT |
5649 | else |
5650 | dev_err(&ioa_cfg->pdev->dev, | |
5651 | "Permanent IOA failure. 0x%08X\n", int_reg); | |
5652 | ||
5653 | if (WAIT_FOR_DUMP == ioa_cfg->sdt_state) | |
5654 | ioa_cfg->sdt_state = GET_DUMP; | |
5655 | ||
5656 | ipr_mask_and_clear_interrupts(ioa_cfg, ~0); | |
5657 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); | |
5658 | } | |
56d6aa33 | 5659 | |
1da177e4 LT |
5660 | return rc; |
5661 | } | |
5662 | ||
3feeb89d WB |
5663 | /** |
5664 | * ipr_isr_eh - Interrupt service routine error handler | |
5665 | * @ioa_cfg: ioa config struct | |
5666 | * @msg: message to log | |
5667 | * | |
5668 | * Return value: | |
5669 | * none | |
5670 | **/ | |
05a6538a | 5671 | static void ipr_isr_eh(struct ipr_ioa_cfg *ioa_cfg, char *msg, u16 number) |
3feeb89d WB |
5672 | { |
5673 | ioa_cfg->errors_logged++; | |
05a6538a | 5674 | dev_err(&ioa_cfg->pdev->dev, "%s %d\n", msg, number); |
3feeb89d WB |
5675 | |
5676 | if (WAIT_FOR_DUMP == ioa_cfg->sdt_state) | |
5677 | ioa_cfg->sdt_state = GET_DUMP; | |
5678 | ||
5679 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); | |
5680 | } | |
5681 | ||
b53d124a | 5682 | static int ipr_process_hrrq(struct ipr_hrr_queue *hrr_queue, int budget, |
05a6538a | 5683 | struct list_head *doneq) |
5684 | { | |
5685 | u32 ioasc; | |
5686 | u16 cmd_index; | |
5687 | struct ipr_cmnd *ipr_cmd; | |
5688 | struct ipr_ioa_cfg *ioa_cfg = hrr_queue->ioa_cfg; | |
5689 | int num_hrrq = 0; | |
5690 | ||
5691 | /* If interrupts are disabled, ignore the interrupt */ | |
56d6aa33 | 5692 | if (!hrr_queue->allow_interrupts) |
05a6538a | 5693 | return 0; |
5694 | ||
5695 | while ((be32_to_cpu(*hrr_queue->hrrq_curr) & IPR_HRRQ_TOGGLE_BIT) == | |
5696 | hrr_queue->toggle_bit) { | |
5697 | ||
5698 | cmd_index = (be32_to_cpu(*hrr_queue->hrrq_curr) & | |
5699 | IPR_HRRQ_REQ_RESP_HANDLE_MASK) >> | |
5700 | IPR_HRRQ_REQ_RESP_HANDLE_SHIFT; | |
5701 | ||
5702 | if (unlikely(cmd_index > hrr_queue->max_cmd_id || | |
5703 | cmd_index < hrr_queue->min_cmd_id)) { | |
5704 | ipr_isr_eh(ioa_cfg, | |
5705 | "Invalid response handle from IOA: ", | |
5706 | cmd_index); | |
5707 | break; | |
5708 | } | |
5709 | ||
5710 | ipr_cmd = ioa_cfg->ipr_cmnd_list[cmd_index]; | |
5711 | ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); | |
5712 | ||
5713 | ipr_trc_hook(ipr_cmd, IPR_TRACE_FINISH, ioasc); | |
5714 | ||
5715 | list_move_tail(&ipr_cmd->queue, doneq); | |
5716 | ||
5717 | if (hrr_queue->hrrq_curr < hrr_queue->hrrq_end) { | |
5718 | hrr_queue->hrrq_curr++; | |
5719 | } else { | |
5720 | hrr_queue->hrrq_curr = hrr_queue->hrrq_start; | |
5721 | hrr_queue->toggle_bit ^= 1u; | |
5722 | } | |
5723 | num_hrrq++; | |
b53d124a | 5724 | if (budget > 0 && num_hrrq >= budget) |
5725 | break; | |
05a6538a | 5726 | } |
b53d124a | 5727 | |
05a6538a | 5728 | return num_hrrq; |
5729 | } | |
b53d124a | 5730 | |
511cbce2 | 5731 | static int ipr_iopoll(struct irq_poll *iop, int budget) |
b53d124a | 5732 | { |
5733 | struct ipr_ioa_cfg *ioa_cfg; | |
5734 | struct ipr_hrr_queue *hrrq; | |
5735 | struct ipr_cmnd *ipr_cmd, *temp; | |
5736 | unsigned long hrrq_flags; | |
5737 | int completed_ops; | |
5738 | LIST_HEAD(doneq); | |
5739 | ||
5740 | hrrq = container_of(iop, struct ipr_hrr_queue, iopoll); | |
5741 | ioa_cfg = hrrq->ioa_cfg; | |
5742 | ||
5743 | spin_lock_irqsave(hrrq->lock, hrrq_flags); | |
5744 | completed_ops = ipr_process_hrrq(hrrq, budget, &doneq); | |
5745 | ||
5746 | if (completed_ops < budget) | |
511cbce2 | 5747 | irq_poll_complete(iop); |
b53d124a | 5748 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); |
5749 | ||
5750 | list_for_each_entry_safe(ipr_cmd, temp, &doneq, queue) { | |
5751 | list_del(&ipr_cmd->queue); | |
5752 | del_timer(&ipr_cmd->timer); | |
5753 | ipr_cmd->fast_done(ipr_cmd); | |
5754 | } | |
5755 | ||
5756 | return completed_ops; | |
5757 | } | |
5758 | ||
1da177e4 LT |
5759 | /** |
5760 | * ipr_isr - Interrupt service routine | |
5761 | * @irq: irq number | |
5762 | * @devp: pointer to ioa config struct | |
1da177e4 LT |
5763 | * |
5764 | * Return value: | |
5765 | * IRQ_NONE / IRQ_HANDLED | |
5766 | **/ | |
7d12e780 | 5767 | static irqreturn_t ipr_isr(int irq, void *devp) |
1da177e4 | 5768 | { |
05a6538a | 5769 | struct ipr_hrr_queue *hrrq = (struct ipr_hrr_queue *)devp; |
5770 | struct ipr_ioa_cfg *ioa_cfg = hrrq->ioa_cfg; | |
56d6aa33 | 5771 | unsigned long hrrq_flags = 0; |
7dacb64f | 5772 | u32 int_reg = 0; |
3feeb89d | 5773 | int num_hrrq = 0; |
7dacb64f | 5774 | int irq_none = 0; |
172cd6e1 | 5775 | struct ipr_cmnd *ipr_cmd, *temp; |
1da177e4 | 5776 | irqreturn_t rc = IRQ_NONE; |
172cd6e1 | 5777 | LIST_HEAD(doneq); |
1da177e4 | 5778 | |
56d6aa33 | 5779 | spin_lock_irqsave(hrrq->lock, hrrq_flags); |
1da177e4 | 5780 | /* If interrupts are disabled, ignore the interrupt */ |
56d6aa33 | 5781 | if (!hrrq->allow_interrupts) { |
5782 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); | |
1da177e4 LT |
5783 | return IRQ_NONE; |
5784 | } | |
5785 | ||
1da177e4 | 5786 | while (1) { |
b53d124a | 5787 | if (ipr_process_hrrq(hrrq, -1, &doneq)) { |
5788 | rc = IRQ_HANDLED; | |
1da177e4 | 5789 | |
b53d124a | 5790 | if (!ioa_cfg->clear_isr) |
5791 | break; | |
7dd21308 | 5792 | |
1da177e4 | 5793 | /* Clear the PCI interrupt */ |
a5442ba4 | 5794 | num_hrrq = 0; |
3feeb89d | 5795 | do { |
b53d124a | 5796 | writel(IPR_PCII_HRRQ_UPDATED, |
5797 | ioa_cfg->regs.clr_interrupt_reg32); | |
7dacb64f | 5798 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg32); |
3feeb89d | 5799 | } while (int_reg & IPR_PCII_HRRQ_UPDATED && |
b53d124a | 5800 | num_hrrq++ < IPR_MAX_HRRQ_RETRIES); |
3feeb89d | 5801 | |
7dacb64f WB |
5802 | } else if (rc == IRQ_NONE && irq_none == 0) { |
5803 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg32); | |
5804 | irq_none++; | |
a5442ba4 WB |
5805 | } else if (num_hrrq == IPR_MAX_HRRQ_RETRIES && |
5806 | int_reg & IPR_PCII_HRRQ_UPDATED) { | |
b53d124a | 5807 | ipr_isr_eh(ioa_cfg, |
5808 | "Error clearing HRRQ: ", num_hrrq); | |
172cd6e1 | 5809 | rc = IRQ_HANDLED; |
b53d124a | 5810 | break; |
1da177e4 LT |
5811 | } else |
5812 | break; | |
5813 | } | |
5814 | ||
5815 | if (unlikely(rc == IRQ_NONE)) | |
634651fa | 5816 | rc = ipr_handle_other_interrupt(ioa_cfg, int_reg); |
1da177e4 | 5817 | |
56d6aa33 | 5818 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); |
172cd6e1 BK |
5819 | list_for_each_entry_safe(ipr_cmd, temp, &doneq, queue) { |
5820 | list_del(&ipr_cmd->queue); | |
5821 | del_timer(&ipr_cmd->timer); | |
5822 | ipr_cmd->fast_done(ipr_cmd); | |
5823 | } | |
05a6538a | 5824 | return rc; |
5825 | } | |
5826 | ||
5827 | /** | |
5828 | * ipr_isr_mhrrq - Interrupt service routine | |
5829 | * @irq: irq number | |
5830 | * @devp: pointer to ioa config struct | |
5831 | * | |
5832 | * Return value: | |
5833 | * IRQ_NONE / IRQ_HANDLED | |
5834 | **/ | |
5835 | static irqreturn_t ipr_isr_mhrrq(int irq, void *devp) | |
5836 | { | |
5837 | struct ipr_hrr_queue *hrrq = (struct ipr_hrr_queue *)devp; | |
b53d124a | 5838 | struct ipr_ioa_cfg *ioa_cfg = hrrq->ioa_cfg; |
56d6aa33 | 5839 | unsigned long hrrq_flags = 0; |
05a6538a | 5840 | struct ipr_cmnd *ipr_cmd, *temp; |
5841 | irqreturn_t rc = IRQ_NONE; | |
5842 | LIST_HEAD(doneq); | |
172cd6e1 | 5843 | |
56d6aa33 | 5844 | spin_lock_irqsave(hrrq->lock, hrrq_flags); |
05a6538a | 5845 | |
5846 | /* If interrupts are disabled, ignore the interrupt */ | |
56d6aa33 | 5847 | if (!hrrq->allow_interrupts) { |
5848 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); | |
05a6538a | 5849 | return IRQ_NONE; |
5850 | } | |
5851 | ||
89f8b33c | 5852 | if (ioa_cfg->iopoll_weight && ioa_cfg->sis64 && ioa_cfg->nvectors > 1) { |
b53d124a | 5853 | if ((be32_to_cpu(*hrrq->hrrq_curr) & IPR_HRRQ_TOGGLE_BIT) == |
5854 | hrrq->toggle_bit) { | |
ea51190c | 5855 | irq_poll_sched(&hrrq->iopoll); |
b53d124a | 5856 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); |
5857 | return IRQ_HANDLED; | |
5858 | } | |
5859 | } else { | |
5860 | if ((be32_to_cpu(*hrrq->hrrq_curr) & IPR_HRRQ_TOGGLE_BIT) == | |
5861 | hrrq->toggle_bit) | |
05a6538a | 5862 | |
b53d124a | 5863 | if (ipr_process_hrrq(hrrq, -1, &doneq)) |
5864 | rc = IRQ_HANDLED; | |
5865 | } | |
05a6538a | 5866 | |
56d6aa33 | 5867 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); |
05a6538a | 5868 | |
5869 | list_for_each_entry_safe(ipr_cmd, temp, &doneq, queue) { | |
5870 | list_del(&ipr_cmd->queue); | |
5871 | del_timer(&ipr_cmd->timer); | |
5872 | ipr_cmd->fast_done(ipr_cmd); | |
5873 | } | |
1da177e4 LT |
5874 | return rc; |
5875 | } | |
5876 | ||
a32c055f WB |
5877 | /** |
5878 | * ipr_build_ioadl64 - Build a scatter/gather list and map the buffer | |
5879 | * @ioa_cfg: ioa config struct | |
5880 | * @ipr_cmd: ipr command struct | |
5881 | * | |
5882 | * Return value: | |
5883 | * 0 on success / -1 on failure | |
5884 | **/ | |
5885 | static int ipr_build_ioadl64(struct ipr_ioa_cfg *ioa_cfg, | |
5886 | struct ipr_cmnd *ipr_cmd) | |
5887 | { | |
5888 | int i, nseg; | |
5889 | struct scatterlist *sg; | |
5890 | u32 length; | |
5891 | u32 ioadl_flags = 0; | |
5892 | struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd; | |
5893 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
5894 | struct ipr_ioadl64_desc *ioadl64 = ipr_cmd->i.ioadl64; | |
5895 | ||
5896 | length = scsi_bufflen(scsi_cmd); | |
5897 | if (!length) | |
5898 | return 0; | |
5899 | ||
5900 | nseg = scsi_dma_map(scsi_cmd); | |
5901 | if (nseg < 0) { | |
51f52a47 | 5902 | if (printk_ratelimit()) |
d73341bf | 5903 | dev_err(&ioa_cfg->pdev->dev, "scsi_dma_map failed!\n"); |
a32c055f WB |
5904 | return -1; |
5905 | } | |
5906 | ||
5907 | ipr_cmd->dma_use_sg = nseg; | |
5908 | ||
438b0331 | 5909 | ioarcb->data_transfer_length = cpu_to_be32(length); |
b8803b1c WB |
5910 | ioarcb->ioadl_len = |
5911 | cpu_to_be32(sizeof(struct ipr_ioadl64_desc) * ipr_cmd->dma_use_sg); | |
438b0331 | 5912 | |
a32c055f WB |
5913 | if (scsi_cmd->sc_data_direction == DMA_TO_DEVICE) { |
5914 | ioadl_flags = IPR_IOADL_FLAGS_WRITE; | |
5915 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ; | |
5916 | } else if (scsi_cmd->sc_data_direction == DMA_FROM_DEVICE) | |
5917 | ioadl_flags = IPR_IOADL_FLAGS_READ; | |
5918 | ||
5919 | scsi_for_each_sg(scsi_cmd, sg, ipr_cmd->dma_use_sg, i) { | |
5920 | ioadl64[i].flags = cpu_to_be32(ioadl_flags); | |
5921 | ioadl64[i].data_len = cpu_to_be32(sg_dma_len(sg)); | |
5922 | ioadl64[i].address = cpu_to_be64(sg_dma_address(sg)); | |
5923 | } | |
5924 | ||
5925 | ioadl64[i-1].flags |= cpu_to_be32(IPR_IOADL_FLAGS_LAST); | |
5926 | return 0; | |
5927 | } | |
5928 | ||
1da177e4 LT |
5929 | /** |
5930 | * ipr_build_ioadl - Build a scatter/gather list and map the buffer | |
5931 | * @ioa_cfg: ioa config struct | |
5932 | * @ipr_cmd: ipr command struct | |
5933 | * | |
5934 | * Return value: | |
5935 | * 0 on success / -1 on failure | |
5936 | **/ | |
5937 | static int ipr_build_ioadl(struct ipr_ioa_cfg *ioa_cfg, | |
5938 | struct ipr_cmnd *ipr_cmd) | |
5939 | { | |
63015bc9 FT |
5940 | int i, nseg; |
5941 | struct scatterlist *sg; | |
1da177e4 LT |
5942 | u32 length; |
5943 | u32 ioadl_flags = 0; | |
5944 | struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd; | |
5945 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
a32c055f | 5946 | struct ipr_ioadl_desc *ioadl = ipr_cmd->i.ioadl; |
1da177e4 | 5947 | |
63015bc9 FT |
5948 | length = scsi_bufflen(scsi_cmd); |
5949 | if (!length) | |
1da177e4 LT |
5950 | return 0; |
5951 | ||
63015bc9 FT |
5952 | nseg = scsi_dma_map(scsi_cmd); |
5953 | if (nseg < 0) { | |
d73341bf | 5954 | dev_err(&ioa_cfg->pdev->dev, "scsi_dma_map failed!\n"); |
63015bc9 FT |
5955 | return -1; |
5956 | } | |
51b1c7e1 | 5957 | |
63015bc9 FT |
5958 | ipr_cmd->dma_use_sg = nseg; |
5959 | ||
5960 | if (scsi_cmd->sc_data_direction == DMA_TO_DEVICE) { | |
5961 | ioadl_flags = IPR_IOADL_FLAGS_WRITE; | |
5962 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ; | |
a32c055f WB |
5963 | ioarcb->data_transfer_length = cpu_to_be32(length); |
5964 | ioarcb->ioadl_len = | |
63015bc9 FT |
5965 | cpu_to_be32(sizeof(struct ipr_ioadl_desc) * ipr_cmd->dma_use_sg); |
5966 | } else if (scsi_cmd->sc_data_direction == DMA_FROM_DEVICE) { | |
5967 | ioadl_flags = IPR_IOADL_FLAGS_READ; | |
5968 | ioarcb->read_data_transfer_length = cpu_to_be32(length); | |
5969 | ioarcb->read_ioadl_len = | |
5970 | cpu_to_be32(sizeof(struct ipr_ioadl_desc) * ipr_cmd->dma_use_sg); | |
5971 | } | |
1da177e4 | 5972 | |
a32c055f WB |
5973 | if (ipr_cmd->dma_use_sg <= ARRAY_SIZE(ioarcb->u.add_data.u.ioadl)) { |
5974 | ioadl = ioarcb->u.add_data.u.ioadl; | |
5975 | ioarcb->write_ioadl_addr = cpu_to_be32((ipr_cmd->dma_addr) + | |
5976 | offsetof(struct ipr_ioarcb, u.add_data)); | |
63015bc9 FT |
5977 | ioarcb->read_ioadl_addr = ioarcb->write_ioadl_addr; |
5978 | } | |
1da177e4 | 5979 | |
63015bc9 FT |
5980 | scsi_for_each_sg(scsi_cmd, sg, ipr_cmd->dma_use_sg, i) { |
5981 | ioadl[i].flags_and_data_len = | |
5982 | cpu_to_be32(ioadl_flags | sg_dma_len(sg)); | |
5983 | ioadl[i].address = cpu_to_be32(sg_dma_address(sg)); | |
1da177e4 LT |
5984 | } |
5985 | ||
63015bc9 FT |
5986 | ioadl[i-1].flags_and_data_len |= cpu_to_be32(IPR_IOADL_FLAGS_LAST); |
5987 | return 0; | |
1da177e4 LT |
5988 | } |
5989 | ||
1da177e4 | 5990 | /** |
f646f325 | 5991 | * __ipr_erp_done - Process completion of ERP for a device |
1da177e4 LT |
5992 | * @ipr_cmd: ipr command struct |
5993 | * | |
5994 | * This function copies the sense buffer into the scsi_cmd | |
5995 | * struct and pushes the scsi_done function. | |
5996 | * | |
5997 | * Return value: | |
5998 | * nothing | |
5999 | **/ | |
f646f325 | 6000 | static void __ipr_erp_done(struct ipr_cmnd *ipr_cmd) |
1da177e4 LT |
6001 | { |
6002 | struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd; | |
6003 | struct ipr_resource_entry *res = scsi_cmd->device->hostdata; | |
96d21f00 | 6004 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
1da177e4 LT |
6005 | |
6006 | if (IPR_IOASC_SENSE_KEY(ioasc) > 0) { | |
6007 | scsi_cmd->result |= (DID_ERROR << 16); | |
fb3ed3cb BK |
6008 | scmd_printk(KERN_ERR, scsi_cmd, |
6009 | "Request Sense failed with IOASC: 0x%08X\n", ioasc); | |
1da177e4 LT |
6010 | } else { |
6011 | memcpy(scsi_cmd->sense_buffer, ipr_cmd->sense_buffer, | |
6012 | SCSI_SENSE_BUFFERSIZE); | |
6013 | } | |
6014 | ||
6015 | if (res) { | |
ee0a90fa BK |
6016 | if (!ipr_is_naca_model(res)) |
6017 | res->needs_sync_complete = 1; | |
1da177e4 LT |
6018 | res->in_erp = 0; |
6019 | } | |
63015bc9 | 6020 | scsi_dma_unmap(ipr_cmd->scsi_cmd); |
1da177e4 | 6021 | scsi_cmd->scsi_done(scsi_cmd); |
66a0d59c BK |
6022 | if (ipr_cmd->eh_comp) |
6023 | complete(ipr_cmd->eh_comp); | |
6024 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); | |
1da177e4 LT |
6025 | } |
6026 | ||
f646f325 BK |
6027 | /** |
6028 | * ipr_erp_done - Process completion of ERP for a device | |
6029 | * @ipr_cmd: ipr command struct | |
6030 | * | |
6031 | * This function copies the sense buffer into the scsi_cmd | |
6032 | * struct and pushes the scsi_done function. | |
6033 | * | |
6034 | * Return value: | |
6035 | * nothing | |
6036 | **/ | |
6037 | static void ipr_erp_done(struct ipr_cmnd *ipr_cmd) | |
6038 | { | |
6039 | struct ipr_hrr_queue *hrrq = ipr_cmd->hrrq; | |
6040 | unsigned long hrrq_flags; | |
6041 | ||
6042 | spin_lock_irqsave(&hrrq->_lock, hrrq_flags); | |
6043 | __ipr_erp_done(ipr_cmd); | |
6044 | spin_unlock_irqrestore(&hrrq->_lock, hrrq_flags); | |
1da177e4 LT |
6045 | } |
6046 | ||
6047 | /** | |
6048 | * ipr_reinit_ipr_cmnd_for_erp - Re-initialize a cmnd block to be used for ERP | |
6049 | * @ipr_cmd: ipr command struct | |
6050 | * | |
6051 | * Return value: | |
6052 | * none | |
6053 | **/ | |
6054 | static void ipr_reinit_ipr_cmnd_for_erp(struct ipr_cmnd *ipr_cmd) | |
6055 | { | |
51b1c7e1 | 6056 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; |
96d21f00 | 6057 | struct ipr_ioasa *ioasa = &ipr_cmd->s.ioasa; |
a32c055f | 6058 | dma_addr_t dma_addr = ipr_cmd->dma_addr; |
1da177e4 LT |
6059 | |
6060 | memset(&ioarcb->cmd_pkt, 0, sizeof(struct ipr_cmd_pkt)); | |
a32c055f | 6061 | ioarcb->data_transfer_length = 0; |
1da177e4 | 6062 | ioarcb->read_data_transfer_length = 0; |
a32c055f | 6063 | ioarcb->ioadl_len = 0; |
1da177e4 | 6064 | ioarcb->read_ioadl_len = 0; |
96d21f00 WB |
6065 | ioasa->hdr.ioasc = 0; |
6066 | ioasa->hdr.residual_data_len = 0; | |
a32c055f WB |
6067 | |
6068 | if (ipr_cmd->ioa_cfg->sis64) | |
6069 | ioarcb->u.sis64_addr_data.data_ioadl_addr = | |
6070 | cpu_to_be64(dma_addr + offsetof(struct ipr_cmnd, i.ioadl64)); | |
6071 | else { | |
6072 | ioarcb->write_ioadl_addr = | |
6073 | cpu_to_be32(dma_addr + offsetof(struct ipr_cmnd, i.ioadl)); | |
6074 | ioarcb->read_ioadl_addr = ioarcb->write_ioadl_addr; | |
6075 | } | |
1da177e4 LT |
6076 | } |
6077 | ||
6078 | /** | |
f646f325 | 6079 | * __ipr_erp_request_sense - Send request sense to a device |
1da177e4 LT |
6080 | * @ipr_cmd: ipr command struct |
6081 | * | |
6082 | * This function sends a request sense to a device as a result | |
6083 | * of a check condition. | |
6084 | * | |
6085 | * Return value: | |
6086 | * nothing | |
6087 | **/ | |
f646f325 | 6088 | static void __ipr_erp_request_sense(struct ipr_cmnd *ipr_cmd) |
1da177e4 LT |
6089 | { |
6090 | struct ipr_cmd_pkt *cmd_pkt = &ipr_cmd->ioarcb.cmd_pkt; | |
96d21f00 | 6091 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
1da177e4 LT |
6092 | |
6093 | if (IPR_IOASC_SENSE_KEY(ioasc) > 0) { | |
f646f325 | 6094 | __ipr_erp_done(ipr_cmd); |
1da177e4 LT |
6095 | return; |
6096 | } | |
6097 | ||
6098 | ipr_reinit_ipr_cmnd_for_erp(ipr_cmd); | |
6099 | ||
6100 | cmd_pkt->request_type = IPR_RQTYPE_SCSICDB; | |
6101 | cmd_pkt->cdb[0] = REQUEST_SENSE; | |
6102 | cmd_pkt->cdb[4] = SCSI_SENSE_BUFFERSIZE; | |
6103 | cmd_pkt->flags_hi |= IPR_FLAGS_HI_SYNC_OVERRIDE; | |
6104 | cmd_pkt->flags_hi |= IPR_FLAGS_HI_NO_ULEN_CHK; | |
6105 | cmd_pkt->timeout = cpu_to_be16(IPR_REQUEST_SENSE_TIMEOUT / HZ); | |
6106 | ||
a32c055f WB |
6107 | ipr_init_ioadl(ipr_cmd, ipr_cmd->sense_buffer_dma, |
6108 | SCSI_SENSE_BUFFERSIZE, IPR_IOADL_FLAGS_READ_LAST); | |
1da177e4 LT |
6109 | |
6110 | ipr_do_req(ipr_cmd, ipr_erp_done, ipr_timeout, | |
6111 | IPR_REQUEST_SENSE_TIMEOUT * 2); | |
6112 | } | |
6113 | ||
f646f325 BK |
6114 | /** |
6115 | * ipr_erp_request_sense - Send request sense to a device | |
6116 | * @ipr_cmd: ipr command struct | |
6117 | * | |
6118 | * This function sends a request sense to a device as a result | |
6119 | * of a check condition. | |
6120 | * | |
6121 | * Return value: | |
6122 | * nothing | |
6123 | **/ | |
6124 | static void ipr_erp_request_sense(struct ipr_cmnd *ipr_cmd) | |
6125 | { | |
6126 | struct ipr_hrr_queue *hrrq = ipr_cmd->hrrq; | |
6127 | unsigned long hrrq_flags; | |
6128 | ||
6129 | spin_lock_irqsave(&hrrq->_lock, hrrq_flags); | |
6130 | __ipr_erp_request_sense(ipr_cmd); | |
6131 | spin_unlock_irqrestore(&hrrq->_lock, hrrq_flags); | |
6132 | } | |
6133 | ||
1da177e4 LT |
6134 | /** |
6135 | * ipr_erp_cancel_all - Send cancel all to a device | |
6136 | * @ipr_cmd: ipr command struct | |
6137 | * | |
6138 | * This function sends a cancel all to a device to clear the | |
6139 | * queue. If we are running TCQ on the device, QERR is set to 1, | |
6140 | * which means all outstanding ops have been dropped on the floor. | |
6141 | * Cancel all will return them to us. | |
6142 | * | |
6143 | * Return value: | |
6144 | * nothing | |
6145 | **/ | |
6146 | static void ipr_erp_cancel_all(struct ipr_cmnd *ipr_cmd) | |
6147 | { | |
6148 | struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd; | |
6149 | struct ipr_resource_entry *res = scsi_cmd->device->hostdata; | |
6150 | struct ipr_cmd_pkt *cmd_pkt; | |
6151 | ||
6152 | res->in_erp = 1; | |
6153 | ||
6154 | ipr_reinit_ipr_cmnd_for_erp(ipr_cmd); | |
6155 | ||
17ea0126 | 6156 | if (!scsi_cmd->device->simple_tags) { |
f646f325 | 6157 | __ipr_erp_request_sense(ipr_cmd); |
1da177e4 LT |
6158 | return; |
6159 | } | |
6160 | ||
6161 | cmd_pkt = &ipr_cmd->ioarcb.cmd_pkt; | |
6162 | cmd_pkt->request_type = IPR_RQTYPE_IOACMD; | |
6163 | cmd_pkt->cdb[0] = IPR_CANCEL_ALL_REQUESTS; | |
6164 | ||
6165 | ipr_do_req(ipr_cmd, ipr_erp_request_sense, ipr_timeout, | |
6166 | IPR_CANCEL_ALL_TIMEOUT); | |
6167 | } | |
6168 | ||
6169 | /** | |
6170 | * ipr_dump_ioasa - Dump contents of IOASA | |
6171 | * @ioa_cfg: ioa config struct | |
6172 | * @ipr_cmd: ipr command struct | |
fe964d0a | 6173 | * @res: resource entry struct |
1da177e4 LT |
6174 | * |
6175 | * This function is invoked by the interrupt handler when ops | |
6176 | * fail. It will log the IOASA if appropriate. Only called | |
6177 | * for GPDD ops. | |
6178 | * | |
6179 | * Return value: | |
6180 | * none | |
6181 | **/ | |
6182 | static void ipr_dump_ioasa(struct ipr_ioa_cfg *ioa_cfg, | |
fe964d0a | 6183 | struct ipr_cmnd *ipr_cmd, struct ipr_resource_entry *res) |
1da177e4 LT |
6184 | { |
6185 | int i; | |
6186 | u16 data_len; | |
b0692dd4 | 6187 | u32 ioasc, fd_ioasc; |
96d21f00 | 6188 | struct ipr_ioasa *ioasa = &ipr_cmd->s.ioasa; |
1da177e4 LT |
6189 | __be32 *ioasa_data = (__be32 *)ioasa; |
6190 | int error_index; | |
6191 | ||
96d21f00 WB |
6192 | ioasc = be32_to_cpu(ioasa->hdr.ioasc) & IPR_IOASC_IOASC_MASK; |
6193 | fd_ioasc = be32_to_cpu(ioasa->hdr.fd_ioasc) & IPR_IOASC_IOASC_MASK; | |
1da177e4 LT |
6194 | |
6195 | if (0 == ioasc) | |
6196 | return; | |
6197 | ||
6198 | if (ioa_cfg->log_level < IPR_DEFAULT_LOG_LEVEL) | |
6199 | return; | |
6200 | ||
b0692dd4 BK |
6201 | if (ioasc == IPR_IOASC_BUS_WAS_RESET && fd_ioasc) |
6202 | error_index = ipr_get_error(fd_ioasc); | |
6203 | else | |
6204 | error_index = ipr_get_error(ioasc); | |
1da177e4 LT |
6205 | |
6206 | if (ioa_cfg->log_level < IPR_MAX_LOG_LEVEL) { | |
6207 | /* Don't log an error if the IOA already logged one */ | |
96d21f00 | 6208 | if (ioasa->hdr.ilid != 0) |
1da177e4 LT |
6209 | return; |
6210 | ||
cc9bd5d4 BK |
6211 | if (!ipr_is_gscsi(res)) |
6212 | return; | |
6213 | ||
1da177e4 LT |
6214 | if (ipr_error_table[error_index].log_ioasa == 0) |
6215 | return; | |
6216 | } | |
6217 | ||
fe964d0a | 6218 | ipr_res_err(ioa_cfg, res, "%s\n", ipr_error_table[error_index].error); |
1da177e4 | 6219 | |
96d21f00 WB |
6220 | data_len = be16_to_cpu(ioasa->hdr.ret_stat_len); |
6221 | if (ioa_cfg->sis64 && sizeof(struct ipr_ioasa64) < data_len) | |
6222 | data_len = sizeof(struct ipr_ioasa64); | |
6223 | else if (!ioa_cfg->sis64 && sizeof(struct ipr_ioasa) < data_len) | |
1da177e4 | 6224 | data_len = sizeof(struct ipr_ioasa); |
1da177e4 LT |
6225 | |
6226 | ipr_err("IOASA Dump:\n"); | |
6227 | ||
6228 | for (i = 0; i < data_len / 4; i += 4) { | |
6229 | ipr_err("%08X: %08X %08X %08X %08X\n", i*4, | |
6230 | be32_to_cpu(ioasa_data[i]), | |
6231 | be32_to_cpu(ioasa_data[i+1]), | |
6232 | be32_to_cpu(ioasa_data[i+2]), | |
6233 | be32_to_cpu(ioasa_data[i+3])); | |
6234 | } | |
6235 | } | |
6236 | ||
6237 | /** | |
6238 | * ipr_gen_sense - Generate SCSI sense data from an IOASA | |
6239 | * @ioasa: IOASA | |
6240 | * @sense_buf: sense data buffer | |
6241 | * | |
6242 | * Return value: | |
6243 | * none | |
6244 | **/ | |
6245 | static void ipr_gen_sense(struct ipr_cmnd *ipr_cmd) | |
6246 | { | |
6247 | u32 failing_lba; | |
6248 | u8 *sense_buf = ipr_cmd->scsi_cmd->sense_buffer; | |
6249 | struct ipr_resource_entry *res = ipr_cmd->scsi_cmd->device->hostdata; | |
96d21f00 WB |
6250 | struct ipr_ioasa *ioasa = &ipr_cmd->s.ioasa; |
6251 | u32 ioasc = be32_to_cpu(ioasa->hdr.ioasc); | |
1da177e4 LT |
6252 | |
6253 | memset(sense_buf, 0, SCSI_SENSE_BUFFERSIZE); | |
6254 | ||
6255 | if (ioasc >= IPR_FIRST_DRIVER_IOASC) | |
6256 | return; | |
6257 | ||
6258 | ipr_cmd->scsi_cmd->result = SAM_STAT_CHECK_CONDITION; | |
6259 | ||
6260 | if (ipr_is_vset_device(res) && | |
6261 | ioasc == IPR_IOASC_MED_DO_NOT_REALLOC && | |
6262 | ioasa->u.vset.failing_lba_hi != 0) { | |
6263 | sense_buf[0] = 0x72; | |
6264 | sense_buf[1] = IPR_IOASC_SENSE_KEY(ioasc); | |
6265 | sense_buf[2] = IPR_IOASC_SENSE_CODE(ioasc); | |
6266 | sense_buf[3] = IPR_IOASC_SENSE_QUAL(ioasc); | |
6267 | ||
6268 | sense_buf[7] = 12; | |
6269 | sense_buf[8] = 0; | |
6270 | sense_buf[9] = 0x0A; | |
6271 | sense_buf[10] = 0x80; | |
6272 | ||
6273 | failing_lba = be32_to_cpu(ioasa->u.vset.failing_lba_hi); | |
6274 | ||
6275 | sense_buf[12] = (failing_lba & 0xff000000) >> 24; | |
6276 | sense_buf[13] = (failing_lba & 0x00ff0000) >> 16; | |
6277 | sense_buf[14] = (failing_lba & 0x0000ff00) >> 8; | |
6278 | sense_buf[15] = failing_lba & 0x000000ff; | |
6279 | ||
6280 | failing_lba = be32_to_cpu(ioasa->u.vset.failing_lba_lo); | |
6281 | ||
6282 | sense_buf[16] = (failing_lba & 0xff000000) >> 24; | |
6283 | sense_buf[17] = (failing_lba & 0x00ff0000) >> 16; | |
6284 | sense_buf[18] = (failing_lba & 0x0000ff00) >> 8; | |
6285 | sense_buf[19] = failing_lba & 0x000000ff; | |
6286 | } else { | |
6287 | sense_buf[0] = 0x70; | |
6288 | sense_buf[2] = IPR_IOASC_SENSE_KEY(ioasc); | |
6289 | sense_buf[12] = IPR_IOASC_SENSE_CODE(ioasc); | |
6290 | sense_buf[13] = IPR_IOASC_SENSE_QUAL(ioasc); | |
6291 | ||
6292 | /* Illegal request */ | |
6293 | if ((IPR_IOASC_SENSE_KEY(ioasc) == 0x05) && | |
96d21f00 | 6294 | (be32_to_cpu(ioasa->hdr.ioasc_specific) & IPR_FIELD_POINTER_VALID)) { |
1da177e4 LT |
6295 | sense_buf[7] = 10; /* additional length */ |
6296 | ||
6297 | /* IOARCB was in error */ | |
6298 | if (IPR_IOASC_SENSE_CODE(ioasc) == 0x24) | |
6299 | sense_buf[15] = 0xC0; | |
6300 | else /* Parameter data was invalid */ | |
6301 | sense_buf[15] = 0x80; | |
6302 | ||
6303 | sense_buf[16] = | |
6304 | ((IPR_FIELD_POINTER_MASK & | |
96d21f00 | 6305 | be32_to_cpu(ioasa->hdr.ioasc_specific)) >> 8) & 0xff; |
1da177e4 LT |
6306 | sense_buf[17] = |
6307 | (IPR_FIELD_POINTER_MASK & | |
96d21f00 | 6308 | be32_to_cpu(ioasa->hdr.ioasc_specific)) & 0xff; |
1da177e4 LT |
6309 | } else { |
6310 | if (ioasc == IPR_IOASC_MED_DO_NOT_REALLOC) { | |
6311 | if (ipr_is_vset_device(res)) | |
6312 | failing_lba = be32_to_cpu(ioasa->u.vset.failing_lba_lo); | |
6313 | else | |
6314 | failing_lba = be32_to_cpu(ioasa->u.dasd.failing_lba); | |
6315 | ||
6316 | sense_buf[0] |= 0x80; /* Or in the Valid bit */ | |
6317 | sense_buf[3] = (failing_lba & 0xff000000) >> 24; | |
6318 | sense_buf[4] = (failing_lba & 0x00ff0000) >> 16; | |
6319 | sense_buf[5] = (failing_lba & 0x0000ff00) >> 8; | |
6320 | sense_buf[6] = failing_lba & 0x000000ff; | |
6321 | } | |
6322 | ||
6323 | sense_buf[7] = 6; /* additional length */ | |
6324 | } | |
6325 | } | |
6326 | } | |
6327 | ||
ee0a90fa BK |
6328 | /** |
6329 | * ipr_get_autosense - Copy autosense data to sense buffer | |
6330 | * @ipr_cmd: ipr command struct | |
6331 | * | |
6332 | * This function copies the autosense buffer to the buffer | |
6333 | * in the scsi_cmd, if there is autosense available. | |
6334 | * | |
6335 | * Return value: | |
6336 | * 1 if autosense was available / 0 if not | |
6337 | **/ | |
6338 | static int ipr_get_autosense(struct ipr_cmnd *ipr_cmd) | |
6339 | { | |
96d21f00 WB |
6340 | struct ipr_ioasa *ioasa = &ipr_cmd->s.ioasa; |
6341 | struct ipr_ioasa64 *ioasa64 = &ipr_cmd->s.ioasa64; | |
ee0a90fa | 6342 | |
96d21f00 | 6343 | if ((be32_to_cpu(ioasa->hdr.ioasc_specific) & IPR_AUTOSENSE_VALID) == 0) |
ee0a90fa BK |
6344 | return 0; |
6345 | ||
96d21f00 WB |
6346 | if (ipr_cmd->ioa_cfg->sis64) |
6347 | memcpy(ipr_cmd->scsi_cmd->sense_buffer, ioasa64->auto_sense.data, | |
6348 | min_t(u16, be16_to_cpu(ioasa64->auto_sense.auto_sense_len), | |
6349 | SCSI_SENSE_BUFFERSIZE)); | |
6350 | else | |
6351 | memcpy(ipr_cmd->scsi_cmd->sense_buffer, ioasa->auto_sense.data, | |
6352 | min_t(u16, be16_to_cpu(ioasa->auto_sense.auto_sense_len), | |
6353 | SCSI_SENSE_BUFFERSIZE)); | |
ee0a90fa BK |
6354 | return 1; |
6355 | } | |
6356 | ||
1da177e4 LT |
6357 | /** |
6358 | * ipr_erp_start - Process an error response for a SCSI op | |
6359 | * @ioa_cfg: ioa config struct | |
6360 | * @ipr_cmd: ipr command struct | |
6361 | * | |
6362 | * This function determines whether or not to initiate ERP | |
6363 | * on the affected device. | |
6364 | * | |
6365 | * Return value: | |
6366 | * nothing | |
6367 | **/ | |
6368 | static void ipr_erp_start(struct ipr_ioa_cfg *ioa_cfg, | |
6369 | struct ipr_cmnd *ipr_cmd) | |
6370 | { | |
6371 | struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd; | |
6372 | struct ipr_resource_entry *res = scsi_cmd->device->hostdata; | |
96d21f00 | 6373 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
8a048994 | 6374 | u32 masked_ioasc = ioasc & IPR_IOASC_IOASC_MASK; |
1da177e4 LT |
6375 | |
6376 | if (!res) { | |
f646f325 | 6377 | __ipr_scsi_eh_done(ipr_cmd); |
1da177e4 LT |
6378 | return; |
6379 | } | |
6380 | ||
8a048994 | 6381 | if (!ipr_is_gscsi(res) && masked_ioasc != IPR_IOASC_HW_DEV_BUS_STATUS) |
1da177e4 LT |
6382 | ipr_gen_sense(ipr_cmd); |
6383 | ||
cc9bd5d4 BK |
6384 | ipr_dump_ioasa(ioa_cfg, ipr_cmd, res); |
6385 | ||
8a048994 | 6386 | switch (masked_ioasc) { |
1da177e4 | 6387 | case IPR_IOASC_ABORTED_CMD_TERM_BY_HOST: |
ee0a90fa BK |
6388 | if (ipr_is_naca_model(res)) |
6389 | scsi_cmd->result |= (DID_ABORT << 16); | |
6390 | else | |
6391 | scsi_cmd->result |= (DID_IMM_RETRY << 16); | |
1da177e4 LT |
6392 | break; |
6393 | case IPR_IOASC_IR_RESOURCE_HANDLE: | |
b0df54bb | 6394 | case IPR_IOASC_IR_NO_CMDS_TO_2ND_IOA: |
1da177e4 LT |
6395 | scsi_cmd->result |= (DID_NO_CONNECT << 16); |
6396 | break; | |
6397 | case IPR_IOASC_HW_SEL_TIMEOUT: | |
6398 | scsi_cmd->result |= (DID_NO_CONNECT << 16); | |
ee0a90fa BK |
6399 | if (!ipr_is_naca_model(res)) |
6400 | res->needs_sync_complete = 1; | |
1da177e4 LT |
6401 | break; |
6402 | case IPR_IOASC_SYNC_REQUIRED: | |
6403 | if (!res->in_erp) | |
6404 | res->needs_sync_complete = 1; | |
6405 | scsi_cmd->result |= (DID_IMM_RETRY << 16); | |
6406 | break; | |
6407 | case IPR_IOASC_MED_DO_NOT_REALLOC: /* prevent retries */ | |
b0df54bb | 6408 | case IPR_IOASA_IR_DUAL_IOA_DISABLED: |
785a4704 MFO |
6409 | /* |
6410 | * exception: do not set DID_PASSTHROUGH on CHECK CONDITION | |
6411 | * so SCSI mid-layer and upper layers handle it accordingly. | |
6412 | */ | |
6413 | if (scsi_cmd->result != SAM_STAT_CHECK_CONDITION) | |
6414 | scsi_cmd->result |= (DID_PASSTHROUGH << 16); | |
1da177e4 LT |
6415 | break; |
6416 | case IPR_IOASC_BUS_WAS_RESET: | |
6417 | case IPR_IOASC_BUS_WAS_RESET_BY_OTHER: | |
6418 | /* | |
6419 | * Report the bus reset and ask for a retry. The device | |
6420 | * will give CC/UA the next command. | |
6421 | */ | |
6422 | if (!res->resetting_device) | |
6423 | scsi_report_bus_reset(ioa_cfg->host, scsi_cmd->device->channel); | |
6424 | scsi_cmd->result |= (DID_ERROR << 16); | |
ee0a90fa BK |
6425 | if (!ipr_is_naca_model(res)) |
6426 | res->needs_sync_complete = 1; | |
1da177e4 LT |
6427 | break; |
6428 | case IPR_IOASC_HW_DEV_BUS_STATUS: | |
6429 | scsi_cmd->result |= IPR_IOASC_SENSE_STATUS(ioasc); | |
6430 | if (IPR_IOASC_SENSE_STATUS(ioasc) == SAM_STAT_CHECK_CONDITION) { | |
ee0a90fa BK |
6431 | if (!ipr_get_autosense(ipr_cmd)) { |
6432 | if (!ipr_is_naca_model(res)) { | |
6433 | ipr_erp_cancel_all(ipr_cmd); | |
6434 | return; | |
6435 | } | |
6436 | } | |
1da177e4 | 6437 | } |
ee0a90fa BK |
6438 | if (!ipr_is_naca_model(res)) |
6439 | res->needs_sync_complete = 1; | |
1da177e4 LT |
6440 | break; |
6441 | case IPR_IOASC_NR_INIT_CMD_REQUIRED: | |
6442 | break; | |
f8ee25d7 WX |
6443 | case IPR_IOASC_IR_NON_OPTIMIZED: |
6444 | if (res->raw_mode) { | |
6445 | res->raw_mode = 0; | |
6446 | scsi_cmd->result |= (DID_IMM_RETRY << 16); | |
6447 | } else | |
6448 | scsi_cmd->result |= (DID_ERROR << 16); | |
6449 | break; | |
1da177e4 | 6450 | default: |
5b7304fb BK |
6451 | if (IPR_IOASC_SENSE_KEY(ioasc) > RECOVERED_ERROR) |
6452 | scsi_cmd->result |= (DID_ERROR << 16); | |
ee0a90fa | 6453 | if (!ipr_is_vset_device(res) && !ipr_is_naca_model(res)) |
1da177e4 LT |
6454 | res->needs_sync_complete = 1; |
6455 | break; | |
6456 | } | |
6457 | ||
63015bc9 | 6458 | scsi_dma_unmap(ipr_cmd->scsi_cmd); |
1da177e4 | 6459 | scsi_cmd->scsi_done(scsi_cmd); |
66a0d59c BK |
6460 | if (ipr_cmd->eh_comp) |
6461 | complete(ipr_cmd->eh_comp); | |
6462 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); | |
1da177e4 LT |
6463 | } |
6464 | ||
6465 | /** | |
6466 | * ipr_scsi_done - mid-layer done function | |
6467 | * @ipr_cmd: ipr command struct | |
6468 | * | |
6469 | * This function is invoked by the interrupt handler for | |
6470 | * ops generated by the SCSI mid-layer | |
6471 | * | |
6472 | * Return value: | |
6473 | * none | |
6474 | **/ | |
6475 | static void ipr_scsi_done(struct ipr_cmnd *ipr_cmd) | |
6476 | { | |
6477 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
6478 | struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd; | |
96d21f00 | 6479 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
36b8e180 | 6480 | unsigned long lock_flags; |
1da177e4 | 6481 | |
96d21f00 | 6482 | scsi_set_resid(scsi_cmd, be32_to_cpu(ipr_cmd->s.ioasa.hdr.residual_data_len)); |
1da177e4 LT |
6483 | |
6484 | if (likely(IPR_IOASC_SENSE_KEY(ioasc) == 0)) { | |
172cd6e1 BK |
6485 | scsi_dma_unmap(scsi_cmd); |
6486 | ||
36b8e180 | 6487 | spin_lock_irqsave(ipr_cmd->hrrq->lock, lock_flags); |
1da177e4 | 6488 | scsi_cmd->scsi_done(scsi_cmd); |
66a0d59c BK |
6489 | if (ipr_cmd->eh_comp) |
6490 | complete(ipr_cmd->eh_comp); | |
6491 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); | |
36b8e180 | 6492 | spin_unlock_irqrestore(ipr_cmd->hrrq->lock, lock_flags); |
172cd6e1 | 6493 | } else { |
36b8e180 BK |
6494 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); |
6495 | spin_lock(&ipr_cmd->hrrq->_lock); | |
1da177e4 | 6496 | ipr_erp_start(ioa_cfg, ipr_cmd); |
36b8e180 BK |
6497 | spin_unlock(&ipr_cmd->hrrq->_lock); |
6498 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
172cd6e1 | 6499 | } |
1da177e4 LT |
6500 | } |
6501 | ||
1da177e4 LT |
6502 | /** |
6503 | * ipr_queuecommand - Queue a mid-layer request | |
00bfef2c | 6504 | * @shost: scsi host struct |
1da177e4 | 6505 | * @scsi_cmd: scsi command struct |
1da177e4 LT |
6506 | * |
6507 | * This function queues a request generated by the mid-layer. | |
6508 | * | |
6509 | * Return value: | |
6510 | * 0 on success | |
6511 | * SCSI_MLQUEUE_DEVICE_BUSY if device is busy | |
6512 | * SCSI_MLQUEUE_HOST_BUSY if host is busy | |
6513 | **/ | |
00bfef2c BK |
6514 | static int ipr_queuecommand(struct Scsi_Host *shost, |
6515 | struct scsi_cmnd *scsi_cmd) | |
1da177e4 LT |
6516 | { |
6517 | struct ipr_ioa_cfg *ioa_cfg; | |
6518 | struct ipr_resource_entry *res; | |
6519 | struct ipr_ioarcb *ioarcb; | |
6520 | struct ipr_cmnd *ipr_cmd; | |
56d6aa33 | 6521 | unsigned long hrrq_flags, lock_flags; |
d12f1576 | 6522 | int rc; |
05a6538a | 6523 | struct ipr_hrr_queue *hrrq; |
6524 | int hrrq_id; | |
1da177e4 | 6525 | |
00bfef2c BK |
6526 | ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
6527 | ||
1da177e4 | 6528 | scsi_cmd->result = (DID_OK << 16); |
00bfef2c | 6529 | res = scsi_cmd->device->hostdata; |
56d6aa33 | 6530 | |
6531 | if (ipr_is_gata(res) && res->sata_port) { | |
6532 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
6533 | rc = ata_sas_queuecmd(scsi_cmd, res->sata_port->ap); | |
6534 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
6535 | return rc; | |
6536 | } | |
6537 | ||
05a6538a | 6538 | hrrq_id = ipr_get_hrrq_index(ioa_cfg); |
6539 | hrrq = &ioa_cfg->hrrq[hrrq_id]; | |
1da177e4 | 6540 | |
56d6aa33 | 6541 | spin_lock_irqsave(hrrq->lock, hrrq_flags); |
1da177e4 LT |
6542 | /* |
6543 | * We are currently blocking all devices due to a host reset | |
6544 | * We have told the host to stop giving us new requests, but | |
6545 | * ERP ops don't count. FIXME | |
6546 | */ | |
bfae7820 | 6547 | if (unlikely(!hrrq->allow_cmds && !hrrq->ioa_is_dead && !hrrq->removing_ioa)) { |
56d6aa33 | 6548 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); |
1da177e4 | 6549 | return SCSI_MLQUEUE_HOST_BUSY; |
00bfef2c | 6550 | } |
1da177e4 LT |
6551 | |
6552 | /* | |
6553 | * FIXME - Create scsi_set_host_offline interface | |
6554 | * and the ioa_is_dead check can be removed | |
6555 | */ | |
bfae7820 | 6556 | if (unlikely(hrrq->ioa_is_dead || hrrq->removing_ioa || !res)) { |
56d6aa33 | 6557 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); |
00bfef2c | 6558 | goto err_nodev; |
1da177e4 LT |
6559 | } |
6560 | ||
05a6538a | 6561 | ipr_cmd = __ipr_get_free_ipr_cmnd(hrrq); |
6562 | if (ipr_cmd == NULL) { | |
56d6aa33 | 6563 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); |
05a6538a | 6564 | return SCSI_MLQUEUE_HOST_BUSY; |
6565 | } | |
56d6aa33 | 6566 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); |
35a39691 | 6567 | |
172cd6e1 | 6568 | ipr_init_ipr_cmnd(ipr_cmd, ipr_scsi_done); |
1da177e4 | 6569 | ioarcb = &ipr_cmd->ioarcb; |
1da177e4 LT |
6570 | |
6571 | memcpy(ioarcb->cmd_pkt.cdb, scsi_cmd->cmnd, scsi_cmd->cmd_len); | |
6572 | ipr_cmd->scsi_cmd = scsi_cmd; | |
172cd6e1 | 6573 | ipr_cmd->done = ipr_scsi_eh_done; |
1da177e4 | 6574 | |
4f92d01a | 6575 | if (ipr_is_gscsi(res)) { |
1da177e4 LT |
6576 | if (scsi_cmd->underflow == 0) |
6577 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_NO_ULEN_CHK; | |
6578 | ||
4f92d01a | 6579 | if (res->reset_occurred) { |
0b1f8d44 | 6580 | res->reset_occurred = 0; |
ab6c10b1 | 6581 | ioarcb->cmd_pkt.flags_lo |= IPR_FLAGS_LO_DELAY_AFTER_RST; |
0b1f8d44 | 6582 | } |
4f92d01a GKB |
6583 | } |
6584 | ||
6585 | if (ipr_is_gscsi(res) || ipr_is_vset_device(res)) { | |
6586 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_NO_LINK_DESC; | |
6587 | ||
1da177e4 | 6588 | ioarcb->cmd_pkt.flags_lo |= IPR_FLAGS_LO_ALIGNED_BFR; |
50668633 CH |
6589 | if (scsi_cmd->flags & SCMD_TAGGED) |
6590 | ioarcb->cmd_pkt.flags_lo |= IPR_FLAGS_LO_SIMPLE_TASK; | |
6591 | else | |
6592 | ioarcb->cmd_pkt.flags_lo |= IPR_FLAGS_LO_UNTAGGED_TASK; | |
1da177e4 LT |
6593 | } |
6594 | ||
6595 | if (scsi_cmd->cmnd[0] >= 0xC0 && | |
05a6538a | 6596 | (!ipr_is_gscsi(res) || scsi_cmd->cmnd[0] == IPR_QUERY_RSRC_STATE)) { |
1da177e4 | 6597 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_IOACMD; |
05a6538a | 6598 | } |
3cb4fc1f | 6599 | if (res->raw_mode && ipr_is_af_dasd_device(res)) { |
f8ee25d7 | 6600 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_PIPE; |
1da177e4 | 6601 | |
3cb4fc1f GKB |
6602 | if (scsi_cmd->underflow == 0) |
6603 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_NO_ULEN_CHK; | |
6604 | } | |
6605 | ||
d12f1576 DC |
6606 | if (ioa_cfg->sis64) |
6607 | rc = ipr_build_ioadl64(ioa_cfg, ipr_cmd); | |
6608 | else | |
6609 | rc = ipr_build_ioadl(ioa_cfg, ipr_cmd); | |
1da177e4 | 6610 | |
56d6aa33 | 6611 | spin_lock_irqsave(hrrq->lock, hrrq_flags); |
6612 | if (unlikely(rc || (!hrrq->allow_cmds && !hrrq->ioa_is_dead))) { | |
05a6538a | 6613 | list_add_tail(&ipr_cmd->queue, &hrrq->hrrq_free_q); |
56d6aa33 | 6614 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); |
00bfef2c BK |
6615 | if (!rc) |
6616 | scsi_dma_unmap(scsi_cmd); | |
a5fb407e | 6617 | return SCSI_MLQUEUE_HOST_BUSY; |
1da177e4 LT |
6618 | } |
6619 | ||
56d6aa33 | 6620 | if (unlikely(hrrq->ioa_is_dead)) { |
05a6538a | 6621 | list_add_tail(&ipr_cmd->queue, &hrrq->hrrq_free_q); |
56d6aa33 | 6622 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); |
00bfef2c BK |
6623 | scsi_dma_unmap(scsi_cmd); |
6624 | goto err_nodev; | |
6625 | } | |
6626 | ||
6627 | ioarcb->res_handle = res->res_handle; | |
6628 | if (res->needs_sync_complete) { | |
6629 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_SYNC_COMPLETE; | |
6630 | res->needs_sync_complete = 0; | |
6631 | } | |
05a6538a | 6632 | list_add_tail(&ipr_cmd->queue, &hrrq->hrrq_pending_q); |
00bfef2c | 6633 | ipr_trc_hook(ipr_cmd, IPR_TRACE_START, IPR_GET_RES_PHYS_LOC(res)); |
a5fb407e | 6634 | ipr_send_command(ipr_cmd); |
56d6aa33 | 6635 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); |
1da177e4 | 6636 | return 0; |
1da177e4 | 6637 | |
00bfef2c | 6638 | err_nodev: |
56d6aa33 | 6639 | spin_lock_irqsave(hrrq->lock, hrrq_flags); |
00bfef2c BK |
6640 | memset(scsi_cmd->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); |
6641 | scsi_cmd->result = (DID_NO_CONNECT << 16); | |
6642 | scsi_cmd->scsi_done(scsi_cmd); | |
56d6aa33 | 6643 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); |
00bfef2c BK |
6644 | return 0; |
6645 | } | |
f281233d | 6646 | |
35a39691 BK |
6647 | /** |
6648 | * ipr_ioctl - IOCTL handler | |
6649 | * @sdev: scsi device struct | |
6650 | * @cmd: IOCTL cmd | |
6651 | * @arg: IOCTL arg | |
6652 | * | |
6653 | * Return value: | |
6654 | * 0 on success / other on failure | |
6655 | **/ | |
bd705f2d | 6656 | static int ipr_ioctl(struct scsi_device *sdev, int cmd, void __user *arg) |
35a39691 BK |
6657 | { |
6658 | struct ipr_resource_entry *res; | |
6659 | ||
6660 | res = (struct ipr_resource_entry *)sdev->hostdata; | |
0ce3a7e5 BK |
6661 | if (res && ipr_is_gata(res)) { |
6662 | if (cmd == HDIO_GET_IDENTITY) | |
6663 | return -ENOTTY; | |
94be9a58 | 6664 | return ata_sas_scsi_ioctl(res->sata_port->ap, sdev, cmd, arg); |
0ce3a7e5 | 6665 | } |
35a39691 BK |
6666 | |
6667 | return -EINVAL; | |
6668 | } | |
6669 | ||
1da177e4 LT |
6670 | /** |
6671 | * ipr_info - Get information about the card/driver | |
6672 | * @scsi_host: scsi host struct | |
6673 | * | |
6674 | * Return value: | |
6675 | * pointer to buffer with description string | |
6676 | **/ | |
203fa3fe | 6677 | static const char *ipr_ioa_info(struct Scsi_Host *host) |
1da177e4 LT |
6678 | { |
6679 | static char buffer[512]; | |
6680 | struct ipr_ioa_cfg *ioa_cfg; | |
6681 | unsigned long lock_flags = 0; | |
6682 | ||
6683 | ioa_cfg = (struct ipr_ioa_cfg *) host->hostdata; | |
6684 | ||
6685 | spin_lock_irqsave(host->host_lock, lock_flags); | |
6686 | sprintf(buffer, "IBM %X Storage Adapter", ioa_cfg->type); | |
6687 | spin_unlock_irqrestore(host->host_lock, lock_flags); | |
6688 | ||
6689 | return buffer; | |
6690 | } | |
6691 | ||
6692 | static struct scsi_host_template driver_template = { | |
6693 | .module = THIS_MODULE, | |
6694 | .name = "IPR", | |
6695 | .info = ipr_ioa_info, | |
35a39691 | 6696 | .ioctl = ipr_ioctl, |
1da177e4 LT |
6697 | .queuecommand = ipr_queuecommand, |
6698 | .eh_abort_handler = ipr_eh_abort, | |
6699 | .eh_device_reset_handler = ipr_eh_dev_reset, | |
6700 | .eh_host_reset_handler = ipr_eh_host_reset, | |
6701 | .slave_alloc = ipr_slave_alloc, | |
6702 | .slave_configure = ipr_slave_configure, | |
6703 | .slave_destroy = ipr_slave_destroy, | |
f688f96d | 6704 | .scan_finished = ipr_scan_finished, |
35a39691 BK |
6705 | .target_alloc = ipr_target_alloc, |
6706 | .target_destroy = ipr_target_destroy, | |
1da177e4 | 6707 | .change_queue_depth = ipr_change_queue_depth, |
1da177e4 LT |
6708 | .bios_param = ipr_biosparam, |
6709 | .can_queue = IPR_MAX_COMMANDS, | |
6710 | .this_id = -1, | |
6711 | .sg_tablesize = IPR_MAX_SGLIST, | |
6712 | .max_sectors = IPR_IOA_MAX_SECTORS, | |
6713 | .cmd_per_lun = IPR_MAX_CMD_PER_LUN, | |
6714 | .use_clustering = ENABLE_CLUSTERING, | |
6715 | .shost_attrs = ipr_ioa_attrs, | |
6716 | .sdev_attrs = ipr_dev_attrs, | |
54b2b50c | 6717 | .proc_name = IPR_NAME, |
1da177e4 LT |
6718 | }; |
6719 | ||
35a39691 BK |
6720 | /** |
6721 | * ipr_ata_phy_reset - libata phy_reset handler | |
6722 | * @ap: ata port to reset | |
6723 | * | |
6724 | **/ | |
6725 | static void ipr_ata_phy_reset(struct ata_port *ap) | |
6726 | { | |
6727 | unsigned long flags; | |
6728 | struct ipr_sata_port *sata_port = ap->private_data; | |
6729 | struct ipr_resource_entry *res = sata_port->res; | |
6730 | struct ipr_ioa_cfg *ioa_cfg = sata_port->ioa_cfg; | |
6731 | int rc; | |
6732 | ||
6733 | ENTER; | |
6734 | spin_lock_irqsave(ioa_cfg->host->host_lock, flags); | |
203fa3fe | 6735 | while (ioa_cfg->in_reset_reload) { |
35a39691 BK |
6736 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); |
6737 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
6738 | spin_lock_irqsave(ioa_cfg->host->host_lock, flags); | |
6739 | } | |
6740 | ||
56d6aa33 | 6741 | if (!ioa_cfg->hrrq[IPR_INIT_HRRQ].allow_cmds) |
35a39691 BK |
6742 | goto out_unlock; |
6743 | ||
6744 | rc = ipr_device_reset(ioa_cfg, res); | |
6745 | ||
6746 | if (rc) { | |
3e4ec344 | 6747 | ap->link.device[0].class = ATA_DEV_NONE; |
35a39691 BK |
6748 | goto out_unlock; |
6749 | } | |
6750 | ||
3e7ebdfa WB |
6751 | ap->link.device[0].class = res->ata_class; |
6752 | if (ap->link.device[0].class == ATA_DEV_UNKNOWN) | |
3e4ec344 | 6753 | ap->link.device[0].class = ATA_DEV_NONE; |
35a39691 BK |
6754 | |
6755 | out_unlock: | |
6756 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); | |
6757 | LEAVE; | |
6758 | } | |
6759 | ||
6760 | /** | |
6761 | * ipr_ata_post_internal - Cleanup after an internal command | |
6762 | * @qc: ATA queued command | |
6763 | * | |
6764 | * Return value: | |
6765 | * none | |
6766 | **/ | |
6767 | static void ipr_ata_post_internal(struct ata_queued_cmd *qc) | |
6768 | { | |
6769 | struct ipr_sata_port *sata_port = qc->ap->private_data; | |
6770 | struct ipr_ioa_cfg *ioa_cfg = sata_port->ioa_cfg; | |
6771 | struct ipr_cmnd *ipr_cmd; | |
05a6538a | 6772 | struct ipr_hrr_queue *hrrq; |
35a39691 BK |
6773 | unsigned long flags; |
6774 | ||
6775 | spin_lock_irqsave(ioa_cfg->host->host_lock, flags); | |
203fa3fe | 6776 | while (ioa_cfg->in_reset_reload) { |
73d98ff0 BK |
6777 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); |
6778 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
6779 | spin_lock_irqsave(ioa_cfg->host->host_lock, flags); | |
6780 | } | |
6781 | ||
05a6538a | 6782 | for_each_hrrq(hrrq, ioa_cfg) { |
56d6aa33 | 6783 | spin_lock(&hrrq->_lock); |
05a6538a | 6784 | list_for_each_entry(ipr_cmd, &hrrq->hrrq_pending_q, queue) { |
6785 | if (ipr_cmd->qc == qc) { | |
6786 | ipr_device_reset(ioa_cfg, sata_port->res); | |
6787 | break; | |
6788 | } | |
35a39691 | 6789 | } |
56d6aa33 | 6790 | spin_unlock(&hrrq->_lock); |
35a39691 BK |
6791 | } |
6792 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); | |
6793 | } | |
6794 | ||
35a39691 BK |
6795 | /** |
6796 | * ipr_copy_sata_tf - Copy a SATA taskfile to an IOA data structure | |
6797 | * @regs: destination | |
6798 | * @tf: source ATA taskfile | |
6799 | * | |
6800 | * Return value: | |
6801 | * none | |
6802 | **/ | |
6803 | static void ipr_copy_sata_tf(struct ipr_ioarcb_ata_regs *regs, | |
6804 | struct ata_taskfile *tf) | |
6805 | { | |
6806 | regs->feature = tf->feature; | |
6807 | regs->nsect = tf->nsect; | |
6808 | regs->lbal = tf->lbal; | |
6809 | regs->lbam = tf->lbam; | |
6810 | regs->lbah = tf->lbah; | |
6811 | regs->device = tf->device; | |
6812 | regs->command = tf->command; | |
6813 | regs->hob_feature = tf->hob_feature; | |
6814 | regs->hob_nsect = tf->hob_nsect; | |
6815 | regs->hob_lbal = tf->hob_lbal; | |
6816 | regs->hob_lbam = tf->hob_lbam; | |
6817 | regs->hob_lbah = tf->hob_lbah; | |
6818 | regs->ctl = tf->ctl; | |
6819 | } | |
6820 | ||
6821 | /** | |
6822 | * ipr_sata_done - done function for SATA commands | |
6823 | * @ipr_cmd: ipr command struct | |
6824 | * | |
6825 | * This function is invoked by the interrupt handler for | |
6826 | * ops generated by the SCSI mid-layer to SATA devices | |
6827 | * | |
6828 | * Return value: | |
6829 | * none | |
6830 | **/ | |
6831 | static void ipr_sata_done(struct ipr_cmnd *ipr_cmd) | |
6832 | { | |
6833 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
6834 | struct ata_queued_cmd *qc = ipr_cmd->qc; | |
6835 | struct ipr_sata_port *sata_port = qc->ap->private_data; | |
6836 | struct ipr_resource_entry *res = sata_port->res; | |
96d21f00 | 6837 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
35a39691 | 6838 | |
56d6aa33 | 6839 | spin_lock(&ipr_cmd->hrrq->_lock); |
96d21f00 WB |
6840 | if (ipr_cmd->ioa_cfg->sis64) |
6841 | memcpy(&sata_port->ioasa, &ipr_cmd->s.ioasa64.u.gata, | |
6842 | sizeof(struct ipr_ioasa_gata)); | |
6843 | else | |
6844 | memcpy(&sata_port->ioasa, &ipr_cmd->s.ioasa.u.gata, | |
6845 | sizeof(struct ipr_ioasa_gata)); | |
35a39691 BK |
6846 | ipr_dump_ioasa(ioa_cfg, ipr_cmd, res); |
6847 | ||
96d21f00 | 6848 | if (be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc_specific) & IPR_ATA_DEVICE_WAS_RESET) |
3e7ebdfa | 6849 | scsi_report_device_reset(ioa_cfg->host, res->bus, res->target); |
35a39691 BK |
6850 | |
6851 | if (IPR_IOASC_SENSE_KEY(ioasc) > RECOVERED_ERROR) | |
96d21f00 | 6852 | qc->err_mask |= __ac_err_mask(sata_port->ioasa.status); |
35a39691 | 6853 | else |
96d21f00 | 6854 | qc->err_mask |= ac_err_mask(sata_port->ioasa.status); |
05a6538a | 6855 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
56d6aa33 | 6856 | spin_unlock(&ipr_cmd->hrrq->_lock); |
35a39691 BK |
6857 | ata_qc_complete(qc); |
6858 | } | |
6859 | ||
a32c055f WB |
6860 | /** |
6861 | * ipr_build_ata_ioadl64 - Build an ATA scatter/gather list | |
6862 | * @ipr_cmd: ipr command struct | |
6863 | * @qc: ATA queued command | |
6864 | * | |
6865 | **/ | |
6866 | static void ipr_build_ata_ioadl64(struct ipr_cmnd *ipr_cmd, | |
6867 | struct ata_queued_cmd *qc) | |
6868 | { | |
6869 | u32 ioadl_flags = 0; | |
6870 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
1ac7c26d | 6871 | struct ipr_ioadl64_desc *ioadl64 = ipr_cmd->i.ata_ioadl.ioadl64; |
a32c055f WB |
6872 | struct ipr_ioadl64_desc *last_ioadl64 = NULL; |
6873 | int len = qc->nbytes; | |
6874 | struct scatterlist *sg; | |
6875 | unsigned int si; | |
6876 | dma_addr_t dma_addr = ipr_cmd->dma_addr; | |
6877 | ||
6878 | if (len == 0) | |
6879 | return; | |
6880 | ||
6881 | if (qc->dma_dir == DMA_TO_DEVICE) { | |
6882 | ioadl_flags = IPR_IOADL_FLAGS_WRITE; | |
6883 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ; | |
6884 | } else if (qc->dma_dir == DMA_FROM_DEVICE) | |
6885 | ioadl_flags = IPR_IOADL_FLAGS_READ; | |
6886 | ||
6887 | ioarcb->data_transfer_length = cpu_to_be32(len); | |
6888 | ioarcb->ioadl_len = | |
6889 | cpu_to_be32(sizeof(struct ipr_ioadl64_desc) * ipr_cmd->dma_use_sg); | |
6890 | ioarcb->u.sis64_addr_data.data_ioadl_addr = | |
1ac7c26d | 6891 | cpu_to_be64(dma_addr + offsetof(struct ipr_cmnd, i.ata_ioadl.ioadl64)); |
a32c055f WB |
6892 | |
6893 | for_each_sg(qc->sg, sg, qc->n_elem, si) { | |
6894 | ioadl64->flags = cpu_to_be32(ioadl_flags); | |
6895 | ioadl64->data_len = cpu_to_be32(sg_dma_len(sg)); | |
6896 | ioadl64->address = cpu_to_be64(sg_dma_address(sg)); | |
6897 | ||
6898 | last_ioadl64 = ioadl64; | |
6899 | ioadl64++; | |
6900 | } | |
6901 | ||
6902 | if (likely(last_ioadl64)) | |
6903 | last_ioadl64->flags |= cpu_to_be32(IPR_IOADL_FLAGS_LAST); | |
6904 | } | |
6905 | ||
35a39691 BK |
6906 | /** |
6907 | * ipr_build_ata_ioadl - Build an ATA scatter/gather list | |
6908 | * @ipr_cmd: ipr command struct | |
6909 | * @qc: ATA queued command | |
6910 | * | |
6911 | **/ | |
6912 | static void ipr_build_ata_ioadl(struct ipr_cmnd *ipr_cmd, | |
6913 | struct ata_queued_cmd *qc) | |
6914 | { | |
6915 | u32 ioadl_flags = 0; | |
6916 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
a32c055f | 6917 | struct ipr_ioadl_desc *ioadl = ipr_cmd->i.ioadl; |
3be6cbd7 | 6918 | struct ipr_ioadl_desc *last_ioadl = NULL; |
dde20207 | 6919 | int len = qc->nbytes; |
35a39691 | 6920 | struct scatterlist *sg; |
ff2aeb1e | 6921 | unsigned int si; |
35a39691 BK |
6922 | |
6923 | if (len == 0) | |
6924 | return; | |
6925 | ||
6926 | if (qc->dma_dir == DMA_TO_DEVICE) { | |
6927 | ioadl_flags = IPR_IOADL_FLAGS_WRITE; | |
6928 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ; | |
a32c055f WB |
6929 | ioarcb->data_transfer_length = cpu_to_be32(len); |
6930 | ioarcb->ioadl_len = | |
35a39691 BK |
6931 | cpu_to_be32(sizeof(struct ipr_ioadl_desc) * ipr_cmd->dma_use_sg); |
6932 | } else if (qc->dma_dir == DMA_FROM_DEVICE) { | |
6933 | ioadl_flags = IPR_IOADL_FLAGS_READ; | |
6934 | ioarcb->read_data_transfer_length = cpu_to_be32(len); | |
6935 | ioarcb->read_ioadl_len = | |
6936 | cpu_to_be32(sizeof(struct ipr_ioadl_desc) * ipr_cmd->dma_use_sg); | |
6937 | } | |
6938 | ||
ff2aeb1e | 6939 | for_each_sg(qc->sg, sg, qc->n_elem, si) { |
35a39691 BK |
6940 | ioadl->flags_and_data_len = cpu_to_be32(ioadl_flags | sg_dma_len(sg)); |
6941 | ioadl->address = cpu_to_be32(sg_dma_address(sg)); | |
3be6cbd7 JG |
6942 | |
6943 | last_ioadl = ioadl; | |
6944 | ioadl++; | |
35a39691 | 6945 | } |
3be6cbd7 JG |
6946 | |
6947 | if (likely(last_ioadl)) | |
6948 | last_ioadl->flags_and_data_len |= cpu_to_be32(IPR_IOADL_FLAGS_LAST); | |
35a39691 BK |
6949 | } |
6950 | ||
56d6aa33 | 6951 | /** |
6952 | * ipr_qc_defer - Get a free ipr_cmd | |
6953 | * @qc: queued command | |
6954 | * | |
6955 | * Return value: | |
6956 | * 0 if success | |
6957 | **/ | |
6958 | static int ipr_qc_defer(struct ata_queued_cmd *qc) | |
6959 | { | |
6960 | struct ata_port *ap = qc->ap; | |
6961 | struct ipr_sata_port *sata_port = ap->private_data; | |
6962 | struct ipr_ioa_cfg *ioa_cfg = sata_port->ioa_cfg; | |
6963 | struct ipr_cmnd *ipr_cmd; | |
6964 | struct ipr_hrr_queue *hrrq; | |
6965 | int hrrq_id; | |
6966 | ||
6967 | hrrq_id = ipr_get_hrrq_index(ioa_cfg); | |
6968 | hrrq = &ioa_cfg->hrrq[hrrq_id]; | |
6969 | ||
6970 | qc->lldd_task = NULL; | |
6971 | spin_lock(&hrrq->_lock); | |
6972 | if (unlikely(hrrq->ioa_is_dead)) { | |
6973 | spin_unlock(&hrrq->_lock); | |
6974 | return 0; | |
6975 | } | |
6976 | ||
6977 | if (unlikely(!hrrq->allow_cmds)) { | |
6978 | spin_unlock(&hrrq->_lock); | |
6979 | return ATA_DEFER_LINK; | |
6980 | } | |
6981 | ||
6982 | ipr_cmd = __ipr_get_free_ipr_cmnd(hrrq); | |
6983 | if (ipr_cmd == NULL) { | |
6984 | spin_unlock(&hrrq->_lock); | |
6985 | return ATA_DEFER_LINK; | |
6986 | } | |
6987 | ||
6988 | qc->lldd_task = ipr_cmd; | |
6989 | spin_unlock(&hrrq->_lock); | |
6990 | return 0; | |
6991 | } | |
6992 | ||
35a39691 BK |
6993 | /** |
6994 | * ipr_qc_issue - Issue a SATA qc to a device | |
6995 | * @qc: queued command | |
6996 | * | |
6997 | * Return value: | |
6998 | * 0 if success | |
6999 | **/ | |
7000 | static unsigned int ipr_qc_issue(struct ata_queued_cmd *qc) | |
7001 | { | |
7002 | struct ata_port *ap = qc->ap; | |
7003 | struct ipr_sata_port *sata_port = ap->private_data; | |
7004 | struct ipr_resource_entry *res = sata_port->res; | |
7005 | struct ipr_ioa_cfg *ioa_cfg = sata_port->ioa_cfg; | |
7006 | struct ipr_cmnd *ipr_cmd; | |
7007 | struct ipr_ioarcb *ioarcb; | |
7008 | struct ipr_ioarcb_ata_regs *regs; | |
7009 | ||
56d6aa33 | 7010 | if (qc->lldd_task == NULL) |
7011 | ipr_qc_defer(qc); | |
7012 | ||
7013 | ipr_cmd = qc->lldd_task; | |
7014 | if (ipr_cmd == NULL) | |
0feeed82 | 7015 | return AC_ERR_SYSTEM; |
35a39691 | 7016 | |
56d6aa33 | 7017 | qc->lldd_task = NULL; |
7018 | spin_lock(&ipr_cmd->hrrq->_lock); | |
7019 | if (unlikely(!ipr_cmd->hrrq->allow_cmds || | |
7020 | ipr_cmd->hrrq->ioa_is_dead)) { | |
7021 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); | |
7022 | spin_unlock(&ipr_cmd->hrrq->_lock); | |
7023 | return AC_ERR_SYSTEM; | |
7024 | } | |
7025 | ||
05a6538a | 7026 | ipr_init_ipr_cmnd(ipr_cmd, ipr_lock_and_done); |
35a39691 | 7027 | ioarcb = &ipr_cmd->ioarcb; |
35a39691 | 7028 | |
a32c055f WB |
7029 | if (ioa_cfg->sis64) { |
7030 | regs = &ipr_cmd->i.ata_ioadl.regs; | |
7031 | ioarcb->add_cmd_parms_offset = cpu_to_be16(sizeof(*ioarcb)); | |
7032 | } else | |
7033 | regs = &ioarcb->u.add_data.u.regs; | |
7034 | ||
7035 | memset(regs, 0, sizeof(*regs)); | |
7036 | ioarcb->add_cmd_parms_len = cpu_to_be16(sizeof(*regs)); | |
35a39691 | 7037 | |
56d6aa33 | 7038 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_pending_q); |
35a39691 BK |
7039 | ipr_cmd->qc = qc; |
7040 | ipr_cmd->done = ipr_sata_done; | |
3e7ebdfa | 7041 | ipr_cmd->ioarcb.res_handle = res->res_handle; |
35a39691 BK |
7042 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_ATA_PASSTHRU; |
7043 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_NO_LINK_DESC; | |
7044 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_NO_ULEN_CHK; | |
dde20207 | 7045 | ipr_cmd->dma_use_sg = qc->n_elem; |
35a39691 | 7046 | |
a32c055f WB |
7047 | if (ioa_cfg->sis64) |
7048 | ipr_build_ata_ioadl64(ipr_cmd, qc); | |
7049 | else | |
7050 | ipr_build_ata_ioadl(ipr_cmd, qc); | |
7051 | ||
35a39691 BK |
7052 | regs->flags |= IPR_ATA_FLAG_STATUS_ON_GOOD_COMPLETION; |
7053 | ipr_copy_sata_tf(regs, &qc->tf); | |
7054 | memcpy(ioarcb->cmd_pkt.cdb, qc->cdb, IPR_MAX_CDB_LEN); | |
3e7ebdfa | 7055 | ipr_trc_hook(ipr_cmd, IPR_TRACE_START, IPR_GET_RES_PHYS_LOC(res)); |
35a39691 BK |
7056 | |
7057 | switch (qc->tf.protocol) { | |
7058 | case ATA_PROT_NODATA: | |
7059 | case ATA_PROT_PIO: | |
7060 | break; | |
7061 | ||
7062 | case ATA_PROT_DMA: | |
7063 | regs->flags |= IPR_ATA_FLAG_XFER_TYPE_DMA; | |
7064 | break; | |
7065 | ||
0dc36888 TH |
7066 | case ATAPI_PROT_PIO: |
7067 | case ATAPI_PROT_NODATA: | |
35a39691 BK |
7068 | regs->flags |= IPR_ATA_FLAG_PACKET_CMD; |
7069 | break; | |
7070 | ||
0dc36888 | 7071 | case ATAPI_PROT_DMA: |
35a39691 BK |
7072 | regs->flags |= IPR_ATA_FLAG_PACKET_CMD; |
7073 | regs->flags |= IPR_ATA_FLAG_XFER_TYPE_DMA; | |
7074 | break; | |
7075 | ||
7076 | default: | |
7077 | WARN_ON(1); | |
56d6aa33 | 7078 | spin_unlock(&ipr_cmd->hrrq->_lock); |
0feeed82 | 7079 | return AC_ERR_INVALID; |
35a39691 BK |
7080 | } |
7081 | ||
a32c055f | 7082 | ipr_send_command(ipr_cmd); |
56d6aa33 | 7083 | spin_unlock(&ipr_cmd->hrrq->_lock); |
a32c055f | 7084 | |
35a39691 BK |
7085 | return 0; |
7086 | } | |
7087 | ||
4c9bf4e7 TH |
7088 | /** |
7089 | * ipr_qc_fill_rtf - Read result TF | |
7090 | * @qc: ATA queued command | |
7091 | * | |
7092 | * Return value: | |
7093 | * true | |
7094 | **/ | |
7095 | static bool ipr_qc_fill_rtf(struct ata_queued_cmd *qc) | |
7096 | { | |
7097 | struct ipr_sata_port *sata_port = qc->ap->private_data; | |
7098 | struct ipr_ioasa_gata *g = &sata_port->ioasa; | |
7099 | struct ata_taskfile *tf = &qc->result_tf; | |
7100 | ||
7101 | tf->feature = g->error; | |
7102 | tf->nsect = g->nsect; | |
7103 | tf->lbal = g->lbal; | |
7104 | tf->lbam = g->lbam; | |
7105 | tf->lbah = g->lbah; | |
7106 | tf->device = g->device; | |
7107 | tf->command = g->status; | |
7108 | tf->hob_nsect = g->hob_nsect; | |
7109 | tf->hob_lbal = g->hob_lbal; | |
7110 | tf->hob_lbam = g->hob_lbam; | |
7111 | tf->hob_lbah = g->hob_lbah; | |
4c9bf4e7 TH |
7112 | |
7113 | return true; | |
7114 | } | |
7115 | ||
35a39691 | 7116 | static struct ata_port_operations ipr_sata_ops = { |
35a39691 | 7117 | .phy_reset = ipr_ata_phy_reset, |
a1efdaba | 7118 | .hardreset = ipr_sata_reset, |
35a39691 | 7119 | .post_internal_cmd = ipr_ata_post_internal, |
35a39691 | 7120 | .qc_prep = ata_noop_qc_prep, |
56d6aa33 | 7121 | .qc_defer = ipr_qc_defer, |
35a39691 | 7122 | .qc_issue = ipr_qc_issue, |
4c9bf4e7 | 7123 | .qc_fill_rtf = ipr_qc_fill_rtf, |
35a39691 BK |
7124 | .port_start = ata_sas_port_start, |
7125 | .port_stop = ata_sas_port_stop | |
7126 | }; | |
7127 | ||
7128 | static struct ata_port_info sata_port_info = { | |
5067c046 SL |
7129 | .flags = ATA_FLAG_SATA | ATA_FLAG_PIO_DMA | |
7130 | ATA_FLAG_SAS_HOST, | |
0f2e0330 SS |
7131 | .pio_mask = ATA_PIO4_ONLY, |
7132 | .mwdma_mask = ATA_MWDMA2, | |
7133 | .udma_mask = ATA_UDMA6, | |
35a39691 BK |
7134 | .port_ops = &ipr_sata_ops |
7135 | }; | |
7136 | ||
1da177e4 LT |
7137 | #ifdef CONFIG_PPC_PSERIES |
7138 | static const u16 ipr_blocked_processors[] = { | |
d3dbeef6 ME |
7139 | PVR_NORTHSTAR, |
7140 | PVR_PULSAR, | |
7141 | PVR_POWER4, | |
7142 | PVR_ICESTAR, | |
7143 | PVR_SSTAR, | |
7144 | PVR_POWER4p, | |
7145 | PVR_630, | |
7146 | PVR_630p | |
1da177e4 LT |
7147 | }; |
7148 | ||
7149 | /** | |
7150 | * ipr_invalid_adapter - Determine if this adapter is supported on this hardware | |
7151 | * @ioa_cfg: ioa cfg struct | |
7152 | * | |
7153 | * Adapters that use Gemstone revision < 3.1 do not work reliably on | |
7154 | * certain pSeries hardware. This function determines if the given | |
7155 | * adapter is in one of these confgurations or not. | |
7156 | * | |
7157 | * Return value: | |
7158 | * 1 if adapter is not supported / 0 if adapter is supported | |
7159 | **/ | |
7160 | static int ipr_invalid_adapter(struct ipr_ioa_cfg *ioa_cfg) | |
7161 | { | |
1da177e4 LT |
7162 | int i; |
7163 | ||
44c10138 | 7164 | if ((ioa_cfg->type == 0x5702) && (ioa_cfg->pdev->revision < 4)) { |
203fa3fe | 7165 | for (i = 0; i < ARRAY_SIZE(ipr_blocked_processors); i++) { |
d3dbeef6 | 7166 | if (pvr_version_is(ipr_blocked_processors[i])) |
44c10138 | 7167 | return 1; |
1da177e4 LT |
7168 | } |
7169 | } | |
7170 | return 0; | |
7171 | } | |
7172 | #else | |
7173 | #define ipr_invalid_adapter(ioa_cfg) 0 | |
7174 | #endif | |
7175 | ||
7176 | /** | |
7177 | * ipr_ioa_bringdown_done - IOA bring down completion. | |
7178 | * @ipr_cmd: ipr command struct | |
7179 | * | |
7180 | * This function processes the completion of an adapter bring down. | |
7181 | * It wakes any reset sleepers. | |
7182 | * | |
7183 | * Return value: | |
7184 | * IPR_RC_JOB_RETURN | |
7185 | **/ | |
7186 | static int ipr_ioa_bringdown_done(struct ipr_cmnd *ipr_cmd) | |
7187 | { | |
7188 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
96b04db9 | 7189 | int i; |
1da177e4 LT |
7190 | |
7191 | ENTER; | |
bfae7820 BK |
7192 | if (!ioa_cfg->hrrq[IPR_INIT_HRRQ].removing_ioa) { |
7193 | ipr_trace; | |
b0e17a9b BK |
7194 | ioa_cfg->scsi_unblock = 1; |
7195 | schedule_work(&ioa_cfg->work_q); | |
bfae7820 BK |
7196 | } |
7197 | ||
1da177e4 LT |
7198 | ioa_cfg->in_reset_reload = 0; |
7199 | ioa_cfg->reset_retries = 0; | |
96b04db9 | 7200 | for (i = 0; i < ioa_cfg->hrrq_num; i++) { |
7201 | spin_lock(&ioa_cfg->hrrq[i]._lock); | |
7202 | ioa_cfg->hrrq[i].ioa_is_dead = 1; | |
7203 | spin_unlock(&ioa_cfg->hrrq[i]._lock); | |
7204 | } | |
7205 | wmb(); | |
7206 | ||
05a6538a | 7207 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
1da177e4 | 7208 | wake_up_all(&ioa_cfg->reset_wait_q); |
1da177e4 LT |
7209 | LEAVE; |
7210 | ||
7211 | return IPR_RC_JOB_RETURN; | |
7212 | } | |
7213 | ||
7214 | /** | |
7215 | * ipr_ioa_reset_done - IOA reset completion. | |
7216 | * @ipr_cmd: ipr command struct | |
7217 | * | |
7218 | * This function processes the completion of an adapter reset. | |
7219 | * It schedules any necessary mid-layer add/removes and | |
7220 | * wakes any reset sleepers. | |
7221 | * | |
7222 | * Return value: | |
7223 | * IPR_RC_JOB_RETURN | |
7224 | **/ | |
7225 | static int ipr_ioa_reset_done(struct ipr_cmnd *ipr_cmd) | |
7226 | { | |
7227 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7228 | struct ipr_resource_entry *res; | |
afc3f83c | 7229 | int j; |
1da177e4 LT |
7230 | |
7231 | ENTER; | |
7232 | ioa_cfg->in_reset_reload = 0; | |
56d6aa33 | 7233 | for (j = 0; j < ioa_cfg->hrrq_num; j++) { |
7234 | spin_lock(&ioa_cfg->hrrq[j]._lock); | |
7235 | ioa_cfg->hrrq[j].allow_cmds = 1; | |
7236 | spin_unlock(&ioa_cfg->hrrq[j]._lock); | |
7237 | } | |
7238 | wmb(); | |
1da177e4 | 7239 | ioa_cfg->reset_cmd = NULL; |
3d1d0da6 | 7240 | ioa_cfg->doorbell |= IPR_RUNTIME_RESET; |
1da177e4 LT |
7241 | |
7242 | list_for_each_entry(res, &ioa_cfg->used_res_q, queue) { | |
f688f96d | 7243 | if (res->add_to_ml || res->del_from_ml) { |
1da177e4 LT |
7244 | ipr_trace; |
7245 | break; | |
7246 | } | |
7247 | } | |
7248 | schedule_work(&ioa_cfg->work_q); | |
7249 | ||
afc3f83c BK |
7250 | for (j = 0; j < IPR_NUM_HCAMS; j++) { |
7251 | list_del_init(&ioa_cfg->hostrcb[j]->queue); | |
7252 | if (j < IPR_NUM_LOG_HCAMS) | |
7253 | ipr_send_hcam(ioa_cfg, | |
7254 | IPR_HCAM_CDB_OP_CODE_LOG_DATA, | |
7255 | ioa_cfg->hostrcb[j]); | |
1da177e4 | 7256 | else |
afc3f83c BK |
7257 | ipr_send_hcam(ioa_cfg, |
7258 | IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE, | |
7259 | ioa_cfg->hostrcb[j]); | |
1da177e4 LT |
7260 | } |
7261 | ||
6bb04170 | 7262 | scsi_report_bus_reset(ioa_cfg->host, IPR_VSET_BUS); |
1da177e4 LT |
7263 | dev_info(&ioa_cfg->pdev->dev, "IOA initialized.\n"); |
7264 | ||
7265 | ioa_cfg->reset_retries = 0; | |
05a6538a | 7266 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
1da177e4 LT |
7267 | wake_up_all(&ioa_cfg->reset_wait_q); |
7268 | ||
b0e17a9b | 7269 | ioa_cfg->scsi_unblock = 1; |
f688f96d | 7270 | schedule_work(&ioa_cfg->work_q); |
1da177e4 LT |
7271 | LEAVE; |
7272 | return IPR_RC_JOB_RETURN; | |
7273 | } | |
7274 | ||
7275 | /** | |
7276 | * ipr_set_sup_dev_dflt - Initialize a Set Supported Device buffer | |
7277 | * @supported_dev: supported device struct | |
7278 | * @vpids: vendor product id struct | |
7279 | * | |
7280 | * Return value: | |
7281 | * none | |
7282 | **/ | |
7283 | static void ipr_set_sup_dev_dflt(struct ipr_supported_device *supported_dev, | |
7284 | struct ipr_std_inq_vpids *vpids) | |
7285 | { | |
7286 | memset(supported_dev, 0, sizeof(struct ipr_supported_device)); | |
7287 | memcpy(&supported_dev->vpids, vpids, sizeof(struct ipr_std_inq_vpids)); | |
7288 | supported_dev->num_records = 1; | |
7289 | supported_dev->data_length = | |
7290 | cpu_to_be16(sizeof(struct ipr_supported_device)); | |
7291 | supported_dev->reserved = 0; | |
7292 | } | |
7293 | ||
7294 | /** | |
7295 | * ipr_set_supported_devs - Send Set Supported Devices for a device | |
7296 | * @ipr_cmd: ipr command struct | |
7297 | * | |
a32c055f | 7298 | * This function sends a Set Supported Devices to the adapter |
1da177e4 LT |
7299 | * |
7300 | * Return value: | |
7301 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
7302 | **/ | |
7303 | static int ipr_set_supported_devs(struct ipr_cmnd *ipr_cmd) | |
7304 | { | |
7305 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7306 | struct ipr_supported_device *supp_dev = &ioa_cfg->vpd_cbs->supp_dev; | |
1da177e4 LT |
7307 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; |
7308 | struct ipr_resource_entry *res = ipr_cmd->u.res; | |
7309 | ||
7310 | ipr_cmd->job_step = ipr_ioa_reset_done; | |
7311 | ||
7312 | list_for_each_entry_continue(res, &ioa_cfg->used_res_q, queue) { | |
e4fbf44e | 7313 | if (!ipr_is_scsi_disk(res)) |
1da177e4 LT |
7314 | continue; |
7315 | ||
7316 | ipr_cmd->u.res = res; | |
3e7ebdfa | 7317 | ipr_set_sup_dev_dflt(supp_dev, &res->std_inq_data.vpids); |
1da177e4 LT |
7318 | |
7319 | ioarcb->res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE); | |
7320 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ; | |
7321 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_IOACMD; | |
7322 | ||
7323 | ioarcb->cmd_pkt.cdb[0] = IPR_SET_SUPPORTED_DEVICES; | |
3e7ebdfa | 7324 | ioarcb->cmd_pkt.cdb[1] = IPR_SET_ALL_SUPPORTED_DEVICES; |
1da177e4 LT |
7325 | ioarcb->cmd_pkt.cdb[7] = (sizeof(struct ipr_supported_device) >> 8) & 0xff; |
7326 | ioarcb->cmd_pkt.cdb[8] = sizeof(struct ipr_supported_device) & 0xff; | |
7327 | ||
a32c055f WB |
7328 | ipr_init_ioadl(ipr_cmd, |
7329 | ioa_cfg->vpd_cbs_dma + | |
7330 | offsetof(struct ipr_misc_cbs, supp_dev), | |
7331 | sizeof(struct ipr_supported_device), | |
7332 | IPR_IOADL_FLAGS_WRITE_LAST); | |
1da177e4 LT |
7333 | |
7334 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, | |
7335 | IPR_SET_SUP_DEVICE_TIMEOUT); | |
7336 | ||
3e7ebdfa WB |
7337 | if (!ioa_cfg->sis64) |
7338 | ipr_cmd->job_step = ipr_set_supported_devs; | |
05a6538a | 7339 | LEAVE; |
1da177e4 LT |
7340 | return IPR_RC_JOB_RETURN; |
7341 | } | |
7342 | ||
05a6538a | 7343 | LEAVE; |
1da177e4 LT |
7344 | return IPR_RC_JOB_CONTINUE; |
7345 | } | |
7346 | ||
7347 | /** | |
7348 | * ipr_get_mode_page - Locate specified mode page | |
7349 | * @mode_pages: mode page buffer | |
7350 | * @page_code: page code to find | |
7351 | * @len: minimum required length for mode page | |
7352 | * | |
7353 | * Return value: | |
7354 | * pointer to mode page / NULL on failure | |
7355 | **/ | |
7356 | static void *ipr_get_mode_page(struct ipr_mode_pages *mode_pages, | |
7357 | u32 page_code, u32 len) | |
7358 | { | |
7359 | struct ipr_mode_page_hdr *mode_hdr; | |
7360 | u32 page_length; | |
7361 | u32 length; | |
7362 | ||
7363 | if (!mode_pages || (mode_pages->hdr.length == 0)) | |
7364 | return NULL; | |
7365 | ||
7366 | length = (mode_pages->hdr.length + 1) - 4 - mode_pages->hdr.block_desc_len; | |
7367 | mode_hdr = (struct ipr_mode_page_hdr *) | |
7368 | (mode_pages->data + mode_pages->hdr.block_desc_len); | |
7369 | ||
7370 | while (length) { | |
7371 | if (IPR_GET_MODE_PAGE_CODE(mode_hdr) == page_code) { | |
7372 | if (mode_hdr->page_length >= (len - sizeof(struct ipr_mode_page_hdr))) | |
7373 | return mode_hdr; | |
7374 | break; | |
7375 | } else { | |
7376 | page_length = (sizeof(struct ipr_mode_page_hdr) + | |
7377 | mode_hdr->page_length); | |
7378 | length -= page_length; | |
7379 | mode_hdr = (struct ipr_mode_page_hdr *) | |
7380 | ((unsigned long)mode_hdr + page_length); | |
7381 | } | |
7382 | } | |
7383 | return NULL; | |
7384 | } | |
7385 | ||
7386 | /** | |
7387 | * ipr_check_term_power - Check for term power errors | |
7388 | * @ioa_cfg: ioa config struct | |
7389 | * @mode_pages: IOAFP mode pages buffer | |
7390 | * | |
7391 | * Check the IOAFP's mode page 28 for term power errors | |
7392 | * | |
7393 | * Return value: | |
7394 | * nothing | |
7395 | **/ | |
7396 | static void ipr_check_term_power(struct ipr_ioa_cfg *ioa_cfg, | |
7397 | struct ipr_mode_pages *mode_pages) | |
7398 | { | |
7399 | int i; | |
7400 | int entry_length; | |
7401 | struct ipr_dev_bus_entry *bus; | |
7402 | struct ipr_mode_page28 *mode_page; | |
7403 | ||
7404 | mode_page = ipr_get_mode_page(mode_pages, 0x28, | |
7405 | sizeof(struct ipr_mode_page28)); | |
7406 | ||
7407 | entry_length = mode_page->entry_length; | |
7408 | ||
7409 | bus = mode_page->bus; | |
7410 | ||
7411 | for (i = 0; i < mode_page->num_entries; i++) { | |
7412 | if (bus->flags & IPR_SCSI_ATTR_NO_TERM_PWR) { | |
7413 | dev_err(&ioa_cfg->pdev->dev, | |
7414 | "Term power is absent on scsi bus %d\n", | |
7415 | bus->res_addr.bus); | |
7416 | } | |
7417 | ||
7418 | bus = (struct ipr_dev_bus_entry *)((char *)bus + entry_length); | |
7419 | } | |
7420 | } | |
7421 | ||
7422 | /** | |
7423 | * ipr_scsi_bus_speed_limit - Limit the SCSI speed based on SES table | |
7424 | * @ioa_cfg: ioa config struct | |
7425 | * | |
7426 | * Looks through the config table checking for SES devices. If | |
7427 | * the SES device is in the SES table indicating a maximum SCSI | |
7428 | * bus speed, the speed is limited for the bus. | |
7429 | * | |
7430 | * Return value: | |
7431 | * none | |
7432 | **/ | |
7433 | static void ipr_scsi_bus_speed_limit(struct ipr_ioa_cfg *ioa_cfg) | |
7434 | { | |
7435 | u32 max_xfer_rate; | |
7436 | int i; | |
7437 | ||
7438 | for (i = 0; i < IPR_MAX_NUM_BUSES; i++) { | |
7439 | max_xfer_rate = ipr_get_max_scsi_speed(ioa_cfg, i, | |
7440 | ioa_cfg->bus_attr[i].bus_width); | |
7441 | ||
7442 | if (max_xfer_rate < ioa_cfg->bus_attr[i].max_xfer_rate) | |
7443 | ioa_cfg->bus_attr[i].max_xfer_rate = max_xfer_rate; | |
7444 | } | |
7445 | } | |
7446 | ||
7447 | /** | |
7448 | * ipr_modify_ioafp_mode_page_28 - Modify IOAFP Mode Page 28 | |
7449 | * @ioa_cfg: ioa config struct | |
7450 | * @mode_pages: mode page 28 buffer | |
7451 | * | |
7452 | * Updates mode page 28 based on driver configuration | |
7453 | * | |
7454 | * Return value: | |
7455 | * none | |
7456 | **/ | |
7457 | static void ipr_modify_ioafp_mode_page_28(struct ipr_ioa_cfg *ioa_cfg, | |
203fa3fe | 7458 | struct ipr_mode_pages *mode_pages) |
1da177e4 LT |
7459 | { |
7460 | int i, entry_length; | |
7461 | struct ipr_dev_bus_entry *bus; | |
7462 | struct ipr_bus_attributes *bus_attr; | |
7463 | struct ipr_mode_page28 *mode_page; | |
7464 | ||
7465 | mode_page = ipr_get_mode_page(mode_pages, 0x28, | |
7466 | sizeof(struct ipr_mode_page28)); | |
7467 | ||
7468 | entry_length = mode_page->entry_length; | |
7469 | ||
7470 | /* Loop for each device bus entry */ | |
7471 | for (i = 0, bus = mode_page->bus; | |
7472 | i < mode_page->num_entries; | |
7473 | i++, bus = (struct ipr_dev_bus_entry *)((u8 *)bus + entry_length)) { | |
7474 | if (bus->res_addr.bus > IPR_MAX_NUM_BUSES) { | |
7475 | dev_err(&ioa_cfg->pdev->dev, | |
7476 | "Invalid resource address reported: 0x%08X\n", | |
7477 | IPR_GET_PHYS_LOC(bus->res_addr)); | |
7478 | continue; | |
7479 | } | |
7480 | ||
7481 | bus_attr = &ioa_cfg->bus_attr[i]; | |
7482 | bus->extended_reset_delay = IPR_EXTENDED_RESET_DELAY; | |
7483 | bus->bus_width = bus_attr->bus_width; | |
7484 | bus->max_xfer_rate = cpu_to_be32(bus_attr->max_xfer_rate); | |
7485 | bus->flags &= ~IPR_SCSI_ATTR_QAS_MASK; | |
7486 | if (bus_attr->qas_enabled) | |
7487 | bus->flags |= IPR_SCSI_ATTR_ENABLE_QAS; | |
7488 | else | |
7489 | bus->flags |= IPR_SCSI_ATTR_DISABLE_QAS; | |
7490 | } | |
7491 | } | |
7492 | ||
7493 | /** | |
7494 | * ipr_build_mode_select - Build a mode select command | |
7495 | * @ipr_cmd: ipr command struct | |
7496 | * @res_handle: resource handle to send command to | |
7497 | * @parm: Byte 2 of Mode Sense command | |
7498 | * @dma_addr: DMA buffer address | |
7499 | * @xfer_len: data transfer length | |
7500 | * | |
7501 | * Return value: | |
7502 | * none | |
7503 | **/ | |
7504 | static void ipr_build_mode_select(struct ipr_cmnd *ipr_cmd, | |
a32c055f WB |
7505 | __be32 res_handle, u8 parm, |
7506 | dma_addr_t dma_addr, u8 xfer_len) | |
1da177e4 | 7507 | { |
1da177e4 LT |
7508 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; |
7509 | ||
7510 | ioarcb->res_handle = res_handle; | |
7511 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_SCSICDB; | |
7512 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ; | |
7513 | ioarcb->cmd_pkt.cdb[0] = MODE_SELECT; | |
7514 | ioarcb->cmd_pkt.cdb[1] = parm; | |
7515 | ioarcb->cmd_pkt.cdb[4] = xfer_len; | |
7516 | ||
a32c055f | 7517 | ipr_init_ioadl(ipr_cmd, dma_addr, xfer_len, IPR_IOADL_FLAGS_WRITE_LAST); |
1da177e4 LT |
7518 | } |
7519 | ||
7520 | /** | |
7521 | * ipr_ioafp_mode_select_page28 - Issue Mode Select Page 28 to IOA | |
7522 | * @ipr_cmd: ipr command struct | |
7523 | * | |
7524 | * This function sets up the SCSI bus attributes and sends | |
7525 | * a Mode Select for Page 28 to activate them. | |
7526 | * | |
7527 | * Return value: | |
7528 | * IPR_RC_JOB_RETURN | |
7529 | **/ | |
7530 | static int ipr_ioafp_mode_select_page28(struct ipr_cmnd *ipr_cmd) | |
7531 | { | |
7532 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7533 | struct ipr_mode_pages *mode_pages = &ioa_cfg->vpd_cbs->mode_pages; | |
7534 | int length; | |
7535 | ||
7536 | ENTER; | |
4733804c BK |
7537 | ipr_scsi_bus_speed_limit(ioa_cfg); |
7538 | ipr_check_term_power(ioa_cfg, mode_pages); | |
7539 | ipr_modify_ioafp_mode_page_28(ioa_cfg, mode_pages); | |
7540 | length = mode_pages->hdr.length + 1; | |
7541 | mode_pages->hdr.length = 0; | |
1da177e4 LT |
7542 | |
7543 | ipr_build_mode_select(ipr_cmd, cpu_to_be32(IPR_IOA_RES_HANDLE), 0x11, | |
7544 | ioa_cfg->vpd_cbs_dma + offsetof(struct ipr_misc_cbs, mode_pages), | |
7545 | length); | |
7546 | ||
f72919ec WB |
7547 | ipr_cmd->job_step = ipr_set_supported_devs; |
7548 | ipr_cmd->u.res = list_entry(ioa_cfg->used_res_q.next, | |
7549 | struct ipr_resource_entry, queue); | |
1da177e4 LT |
7550 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, IPR_INTERNAL_TIMEOUT); |
7551 | ||
7552 | LEAVE; | |
7553 | return IPR_RC_JOB_RETURN; | |
7554 | } | |
7555 | ||
7556 | /** | |
7557 | * ipr_build_mode_sense - Builds a mode sense command | |
7558 | * @ipr_cmd: ipr command struct | |
7559 | * @res: resource entry struct | |
7560 | * @parm: Byte 2 of mode sense command | |
7561 | * @dma_addr: DMA address of mode sense buffer | |
7562 | * @xfer_len: Size of DMA buffer | |
7563 | * | |
7564 | * Return value: | |
7565 | * none | |
7566 | **/ | |
7567 | static void ipr_build_mode_sense(struct ipr_cmnd *ipr_cmd, | |
7568 | __be32 res_handle, | |
a32c055f | 7569 | u8 parm, dma_addr_t dma_addr, u8 xfer_len) |
1da177e4 | 7570 | { |
1da177e4 LT |
7571 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; |
7572 | ||
7573 | ioarcb->res_handle = res_handle; | |
7574 | ioarcb->cmd_pkt.cdb[0] = MODE_SENSE; | |
7575 | ioarcb->cmd_pkt.cdb[2] = parm; | |
7576 | ioarcb->cmd_pkt.cdb[4] = xfer_len; | |
7577 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_SCSICDB; | |
7578 | ||
a32c055f | 7579 | ipr_init_ioadl(ipr_cmd, dma_addr, xfer_len, IPR_IOADL_FLAGS_READ_LAST); |
1da177e4 LT |
7580 | } |
7581 | ||
dfed823e BK |
7582 | /** |
7583 | * ipr_reset_cmd_failed - Handle failure of IOA reset command | |
7584 | * @ipr_cmd: ipr command struct | |
7585 | * | |
7586 | * This function handles the failure of an IOA bringup command. | |
7587 | * | |
7588 | * Return value: | |
7589 | * IPR_RC_JOB_RETURN | |
7590 | **/ | |
7591 | static int ipr_reset_cmd_failed(struct ipr_cmnd *ipr_cmd) | |
7592 | { | |
7593 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
96d21f00 | 7594 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
dfed823e BK |
7595 | |
7596 | dev_err(&ioa_cfg->pdev->dev, | |
7597 | "0x%02X failed with IOASC: 0x%08X\n", | |
7598 | ipr_cmd->ioarcb.cmd_pkt.cdb[0], ioasc); | |
7599 | ||
7600 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); | |
05a6538a | 7601 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
dfed823e BK |
7602 | return IPR_RC_JOB_RETURN; |
7603 | } | |
7604 | ||
7605 | /** | |
7606 | * ipr_reset_mode_sense_failed - Handle failure of IOAFP mode sense | |
7607 | * @ipr_cmd: ipr command struct | |
7608 | * | |
7609 | * This function handles the failure of a Mode Sense to the IOAFP. | |
7610 | * Some adapters do not handle all mode pages. | |
7611 | * | |
7612 | * Return value: | |
7613 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
7614 | **/ | |
7615 | static int ipr_reset_mode_sense_failed(struct ipr_cmnd *ipr_cmd) | |
7616 | { | |
f72919ec | 7617 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; |
96d21f00 | 7618 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
dfed823e BK |
7619 | |
7620 | if (ioasc == IPR_IOASC_IR_INVALID_REQ_TYPE_OR_PKT) { | |
f72919ec WB |
7621 | ipr_cmd->job_step = ipr_set_supported_devs; |
7622 | ipr_cmd->u.res = list_entry(ioa_cfg->used_res_q.next, | |
7623 | struct ipr_resource_entry, queue); | |
dfed823e BK |
7624 | return IPR_RC_JOB_CONTINUE; |
7625 | } | |
7626 | ||
7627 | return ipr_reset_cmd_failed(ipr_cmd); | |
7628 | } | |
7629 | ||
1da177e4 LT |
7630 | /** |
7631 | * ipr_ioafp_mode_sense_page28 - Issue Mode Sense Page 28 to IOA | |
7632 | * @ipr_cmd: ipr command struct | |
7633 | * | |
7634 | * This function send a Page 28 mode sense to the IOA to | |
7635 | * retrieve SCSI bus attributes. | |
7636 | * | |
7637 | * Return value: | |
7638 | * IPR_RC_JOB_RETURN | |
7639 | **/ | |
7640 | static int ipr_ioafp_mode_sense_page28(struct ipr_cmnd *ipr_cmd) | |
7641 | { | |
7642 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7643 | ||
7644 | ENTER; | |
7645 | ipr_build_mode_sense(ipr_cmd, cpu_to_be32(IPR_IOA_RES_HANDLE), | |
7646 | 0x28, ioa_cfg->vpd_cbs_dma + | |
7647 | offsetof(struct ipr_misc_cbs, mode_pages), | |
7648 | sizeof(struct ipr_mode_pages)); | |
7649 | ||
7650 | ipr_cmd->job_step = ipr_ioafp_mode_select_page28; | |
dfed823e | 7651 | ipr_cmd->job_step_failed = ipr_reset_mode_sense_failed; |
1da177e4 LT |
7652 | |
7653 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, IPR_INTERNAL_TIMEOUT); | |
7654 | ||
7655 | LEAVE; | |
7656 | return IPR_RC_JOB_RETURN; | |
7657 | } | |
7658 | ||
ac09c349 BK |
7659 | /** |
7660 | * ipr_ioafp_mode_select_page24 - Issue Mode Select to IOA | |
7661 | * @ipr_cmd: ipr command struct | |
7662 | * | |
7663 | * This function enables dual IOA RAID support if possible. | |
7664 | * | |
7665 | * Return value: | |
7666 | * IPR_RC_JOB_RETURN | |
7667 | **/ | |
7668 | static int ipr_ioafp_mode_select_page24(struct ipr_cmnd *ipr_cmd) | |
7669 | { | |
7670 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7671 | struct ipr_mode_pages *mode_pages = &ioa_cfg->vpd_cbs->mode_pages; | |
7672 | struct ipr_mode_page24 *mode_page; | |
7673 | int length; | |
7674 | ||
7675 | ENTER; | |
7676 | mode_page = ipr_get_mode_page(mode_pages, 0x24, | |
7677 | sizeof(struct ipr_mode_page24)); | |
7678 | ||
7679 | if (mode_page) | |
7680 | mode_page->flags |= IPR_ENABLE_DUAL_IOA_AF; | |
7681 | ||
7682 | length = mode_pages->hdr.length + 1; | |
7683 | mode_pages->hdr.length = 0; | |
7684 | ||
7685 | ipr_build_mode_select(ipr_cmd, cpu_to_be32(IPR_IOA_RES_HANDLE), 0x11, | |
7686 | ioa_cfg->vpd_cbs_dma + offsetof(struct ipr_misc_cbs, mode_pages), | |
7687 | length); | |
7688 | ||
7689 | ipr_cmd->job_step = ipr_ioafp_mode_sense_page28; | |
7690 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, IPR_INTERNAL_TIMEOUT); | |
7691 | ||
7692 | LEAVE; | |
7693 | return IPR_RC_JOB_RETURN; | |
7694 | } | |
7695 | ||
7696 | /** | |
7697 | * ipr_reset_mode_sense_page24_failed - Handle failure of IOAFP mode sense | |
7698 | * @ipr_cmd: ipr command struct | |
7699 | * | |
7700 | * This function handles the failure of a Mode Sense to the IOAFP. | |
7701 | * Some adapters do not handle all mode pages. | |
7702 | * | |
7703 | * Return value: | |
7704 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
7705 | **/ | |
7706 | static int ipr_reset_mode_sense_page24_failed(struct ipr_cmnd *ipr_cmd) | |
7707 | { | |
96d21f00 | 7708 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
ac09c349 BK |
7709 | |
7710 | if (ioasc == IPR_IOASC_IR_INVALID_REQ_TYPE_OR_PKT) { | |
7711 | ipr_cmd->job_step = ipr_ioafp_mode_sense_page28; | |
7712 | return IPR_RC_JOB_CONTINUE; | |
7713 | } | |
7714 | ||
7715 | return ipr_reset_cmd_failed(ipr_cmd); | |
7716 | } | |
7717 | ||
7718 | /** | |
7719 | * ipr_ioafp_mode_sense_page24 - Issue Page 24 Mode Sense to IOA | |
7720 | * @ipr_cmd: ipr command struct | |
7721 | * | |
7722 | * This function send a mode sense to the IOA to retrieve | |
7723 | * the IOA Advanced Function Control mode page. | |
7724 | * | |
7725 | * Return value: | |
7726 | * IPR_RC_JOB_RETURN | |
7727 | **/ | |
7728 | static int ipr_ioafp_mode_sense_page24(struct ipr_cmnd *ipr_cmd) | |
7729 | { | |
7730 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7731 | ||
7732 | ENTER; | |
7733 | ipr_build_mode_sense(ipr_cmd, cpu_to_be32(IPR_IOA_RES_HANDLE), | |
7734 | 0x24, ioa_cfg->vpd_cbs_dma + | |
7735 | offsetof(struct ipr_misc_cbs, mode_pages), | |
7736 | sizeof(struct ipr_mode_pages)); | |
7737 | ||
7738 | ipr_cmd->job_step = ipr_ioafp_mode_select_page24; | |
7739 | ipr_cmd->job_step_failed = ipr_reset_mode_sense_page24_failed; | |
7740 | ||
7741 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, IPR_INTERNAL_TIMEOUT); | |
7742 | ||
7743 | LEAVE; | |
7744 | return IPR_RC_JOB_RETURN; | |
7745 | } | |
7746 | ||
1da177e4 LT |
7747 | /** |
7748 | * ipr_init_res_table - Initialize the resource table | |
7749 | * @ipr_cmd: ipr command struct | |
7750 | * | |
7751 | * This function looks through the existing resource table, comparing | |
7752 | * it with the config table. This function will take care of old/new | |
7753 | * devices and schedule adding/removing them from the mid-layer | |
7754 | * as appropriate. | |
7755 | * | |
7756 | * Return value: | |
7757 | * IPR_RC_JOB_CONTINUE | |
7758 | **/ | |
7759 | static int ipr_init_res_table(struct ipr_cmnd *ipr_cmd) | |
7760 | { | |
7761 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7762 | struct ipr_resource_entry *res, *temp; | |
3e7ebdfa WB |
7763 | struct ipr_config_table_entry_wrapper cfgtew; |
7764 | int entries, found, flag, i; | |
1da177e4 LT |
7765 | LIST_HEAD(old_res); |
7766 | ||
7767 | ENTER; | |
3e7ebdfa WB |
7768 | if (ioa_cfg->sis64) |
7769 | flag = ioa_cfg->u.cfg_table64->hdr64.flags; | |
7770 | else | |
7771 | flag = ioa_cfg->u.cfg_table->hdr.flags; | |
7772 | ||
7773 | if (flag & IPR_UCODE_DOWNLOAD_REQ) | |
1da177e4 LT |
7774 | dev_err(&ioa_cfg->pdev->dev, "Microcode download required\n"); |
7775 | ||
7776 | list_for_each_entry_safe(res, temp, &ioa_cfg->used_res_q, queue) | |
7777 | list_move_tail(&res->queue, &old_res); | |
7778 | ||
3e7ebdfa | 7779 | if (ioa_cfg->sis64) |
438b0331 | 7780 | entries = be16_to_cpu(ioa_cfg->u.cfg_table64->hdr64.num_entries); |
3e7ebdfa WB |
7781 | else |
7782 | entries = ioa_cfg->u.cfg_table->hdr.num_entries; | |
7783 | ||
7784 | for (i = 0; i < entries; i++) { | |
7785 | if (ioa_cfg->sis64) | |
7786 | cfgtew.u.cfgte64 = &ioa_cfg->u.cfg_table64->dev[i]; | |
7787 | else | |
7788 | cfgtew.u.cfgte = &ioa_cfg->u.cfg_table->dev[i]; | |
1da177e4 LT |
7789 | found = 0; |
7790 | ||
7791 | list_for_each_entry_safe(res, temp, &old_res, queue) { | |
3e7ebdfa | 7792 | if (ipr_is_same_device(res, &cfgtew)) { |
1da177e4 LT |
7793 | list_move_tail(&res->queue, &ioa_cfg->used_res_q); |
7794 | found = 1; | |
7795 | break; | |
7796 | } | |
7797 | } | |
7798 | ||
7799 | if (!found) { | |
7800 | if (list_empty(&ioa_cfg->free_res_q)) { | |
7801 | dev_err(&ioa_cfg->pdev->dev, "Too many devices attached\n"); | |
7802 | break; | |
7803 | } | |
7804 | ||
7805 | found = 1; | |
7806 | res = list_entry(ioa_cfg->free_res_q.next, | |
7807 | struct ipr_resource_entry, queue); | |
7808 | list_move_tail(&res->queue, &ioa_cfg->used_res_q); | |
3e7ebdfa | 7809 | ipr_init_res_entry(res, &cfgtew); |
1da177e4 | 7810 | res->add_to_ml = 1; |
56115598 WB |
7811 | } else if (res->sdev && (ipr_is_vset_device(res) || ipr_is_scsi_disk(res))) |
7812 | res->sdev->allow_restart = 1; | |
1da177e4 LT |
7813 | |
7814 | if (found) | |
3e7ebdfa | 7815 | ipr_update_res_entry(res, &cfgtew); |
1da177e4 LT |
7816 | } |
7817 | ||
7818 | list_for_each_entry_safe(res, temp, &old_res, queue) { | |
7819 | if (res->sdev) { | |
7820 | res->del_from_ml = 1; | |
3e7ebdfa | 7821 | res->res_handle = IPR_INVALID_RES_HANDLE; |
1da177e4 | 7822 | list_move_tail(&res->queue, &ioa_cfg->used_res_q); |
1da177e4 LT |
7823 | } |
7824 | } | |
7825 | ||
3e7ebdfa WB |
7826 | list_for_each_entry_safe(res, temp, &old_res, queue) { |
7827 | ipr_clear_res_target(res); | |
7828 | list_move_tail(&res->queue, &ioa_cfg->free_res_q); | |
7829 | } | |
7830 | ||
ac09c349 BK |
7831 | if (ioa_cfg->dual_raid && ipr_dual_ioa_raid) |
7832 | ipr_cmd->job_step = ipr_ioafp_mode_sense_page24; | |
7833 | else | |
7834 | ipr_cmd->job_step = ipr_ioafp_mode_sense_page28; | |
1da177e4 LT |
7835 | |
7836 | LEAVE; | |
7837 | return IPR_RC_JOB_CONTINUE; | |
7838 | } | |
7839 | ||
7840 | /** | |
7841 | * ipr_ioafp_query_ioa_cfg - Send a Query IOA Config to the adapter. | |
7842 | * @ipr_cmd: ipr command struct | |
7843 | * | |
7844 | * This function sends a Query IOA Configuration command | |
7845 | * to the adapter to retrieve the IOA configuration table. | |
7846 | * | |
7847 | * Return value: | |
7848 | * IPR_RC_JOB_RETURN | |
7849 | **/ | |
7850 | static int ipr_ioafp_query_ioa_cfg(struct ipr_cmnd *ipr_cmd) | |
7851 | { | |
7852 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7853 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
1da177e4 | 7854 | struct ipr_inquiry_page3 *ucode_vpd = &ioa_cfg->vpd_cbs->page3_data; |
ac09c349 | 7855 | struct ipr_inquiry_cap *cap = &ioa_cfg->vpd_cbs->cap; |
1da177e4 LT |
7856 | |
7857 | ENTER; | |
ac09c349 BK |
7858 | if (cap->cap & IPR_CAP_DUAL_IOA_RAID) |
7859 | ioa_cfg->dual_raid = 1; | |
1da177e4 LT |
7860 | dev_info(&ioa_cfg->pdev->dev, "Adapter firmware version: %02X%02X%02X%02X\n", |
7861 | ucode_vpd->major_release, ucode_vpd->card_type, | |
7862 | ucode_vpd->minor_release[0], ucode_vpd->minor_release[1]); | |
7863 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_IOACMD; | |
7864 | ioarcb->res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE); | |
7865 | ||
7866 | ioarcb->cmd_pkt.cdb[0] = IPR_QUERY_IOA_CONFIG; | |
438b0331 | 7867 | ioarcb->cmd_pkt.cdb[6] = (ioa_cfg->cfg_table_size >> 16) & 0xff; |
3e7ebdfa WB |
7868 | ioarcb->cmd_pkt.cdb[7] = (ioa_cfg->cfg_table_size >> 8) & 0xff; |
7869 | ioarcb->cmd_pkt.cdb[8] = ioa_cfg->cfg_table_size & 0xff; | |
1da177e4 | 7870 | |
3e7ebdfa | 7871 | ipr_init_ioadl(ipr_cmd, ioa_cfg->cfg_table_dma, ioa_cfg->cfg_table_size, |
a32c055f | 7872 | IPR_IOADL_FLAGS_READ_LAST); |
1da177e4 LT |
7873 | |
7874 | ipr_cmd->job_step = ipr_init_res_table; | |
7875 | ||
7876 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, IPR_INTERNAL_TIMEOUT); | |
7877 | ||
7878 | LEAVE; | |
7879 | return IPR_RC_JOB_RETURN; | |
7880 | } | |
7881 | ||
1a47af26 GKB |
7882 | static int ipr_ioa_service_action_failed(struct ipr_cmnd *ipr_cmd) |
7883 | { | |
7884 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); | |
7885 | ||
7886 | if (ioasc == IPR_IOASC_IR_INVALID_REQ_TYPE_OR_PKT) | |
7887 | return IPR_RC_JOB_CONTINUE; | |
7888 | ||
7889 | return ipr_reset_cmd_failed(ipr_cmd); | |
7890 | } | |
7891 | ||
7892 | static void ipr_build_ioa_service_action(struct ipr_cmnd *ipr_cmd, | |
7893 | __be32 res_handle, u8 sa_code) | |
7894 | { | |
7895 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
7896 | ||
7897 | ioarcb->res_handle = res_handle; | |
7898 | ioarcb->cmd_pkt.cdb[0] = IPR_IOA_SERVICE_ACTION; | |
7899 | ioarcb->cmd_pkt.cdb[1] = sa_code; | |
7900 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_IOACMD; | |
7901 | } | |
7902 | ||
7903 | /** | |
7904 | * ipr_ioafp_set_caching_parameters - Issue Set Cache parameters service | |
7905 | * action | |
7906 | * | |
7907 | * Return value: | |
7908 | * none | |
7909 | **/ | |
7910 | static int ipr_ioafp_set_caching_parameters(struct ipr_cmnd *ipr_cmd) | |
7911 | { | |
7912 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
7913 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7914 | struct ipr_inquiry_pageC4 *pageC4 = &ioa_cfg->vpd_cbs->pageC4_data; | |
7915 | ||
7916 | ENTER; | |
7917 | ||
7918 | ipr_cmd->job_step = ipr_ioafp_query_ioa_cfg; | |
7919 | ||
7920 | if (pageC4->cache_cap[0] & IPR_CAP_SYNC_CACHE) { | |
7921 | ipr_build_ioa_service_action(ipr_cmd, | |
7922 | cpu_to_be32(IPR_IOA_RES_HANDLE), | |
7923 | IPR_IOA_SA_CHANGE_CACHE_PARAMS); | |
7924 | ||
7925 | ioarcb->cmd_pkt.cdb[2] = 0x40; | |
7926 | ||
7927 | ipr_cmd->job_step_failed = ipr_ioa_service_action_failed; | |
7928 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, | |
7929 | IPR_SET_SUP_DEVICE_TIMEOUT); | |
7930 | ||
7931 | LEAVE; | |
7932 | return IPR_RC_JOB_RETURN; | |
7933 | } | |
7934 | ||
7935 | LEAVE; | |
7936 | return IPR_RC_JOB_CONTINUE; | |
7937 | } | |
7938 | ||
1da177e4 LT |
7939 | /** |
7940 | * ipr_ioafp_inquiry - Send an Inquiry to the adapter. | |
7941 | * @ipr_cmd: ipr command struct | |
7942 | * | |
7943 | * This utility function sends an inquiry to the adapter. | |
7944 | * | |
7945 | * Return value: | |
7946 | * none | |
7947 | **/ | |
7948 | static void ipr_ioafp_inquiry(struct ipr_cmnd *ipr_cmd, u8 flags, u8 page, | |
a32c055f | 7949 | dma_addr_t dma_addr, u8 xfer_len) |
1da177e4 LT |
7950 | { |
7951 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
1da177e4 LT |
7952 | |
7953 | ENTER; | |
7954 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_SCSICDB; | |
7955 | ioarcb->res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE); | |
7956 | ||
7957 | ioarcb->cmd_pkt.cdb[0] = INQUIRY; | |
7958 | ioarcb->cmd_pkt.cdb[1] = flags; | |
7959 | ioarcb->cmd_pkt.cdb[2] = page; | |
7960 | ioarcb->cmd_pkt.cdb[4] = xfer_len; | |
7961 | ||
a32c055f | 7962 | ipr_init_ioadl(ipr_cmd, dma_addr, xfer_len, IPR_IOADL_FLAGS_READ_LAST); |
1da177e4 LT |
7963 | |
7964 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, IPR_INTERNAL_TIMEOUT); | |
7965 | LEAVE; | |
7966 | } | |
7967 | ||
62275040 BK |
7968 | /** |
7969 | * ipr_inquiry_page_supported - Is the given inquiry page supported | |
7970 | * @page0: inquiry page 0 buffer | |
7971 | * @page: page code. | |
7972 | * | |
7973 | * This function determines if the specified inquiry page is supported. | |
7974 | * | |
7975 | * Return value: | |
7976 | * 1 if page is supported / 0 if not | |
7977 | **/ | |
7978 | static int ipr_inquiry_page_supported(struct ipr_inquiry_page0 *page0, u8 page) | |
7979 | { | |
7980 | int i; | |
7981 | ||
7982 | for (i = 0; i < min_t(u8, page0->len, IPR_INQUIRY_PAGE0_ENTRIES); i++) | |
7983 | if (page0->page[i] == page) | |
7984 | return 1; | |
7985 | ||
7986 | return 0; | |
7987 | } | |
7988 | ||
1021b3ff GKB |
7989 | /** |
7990 | * ipr_ioafp_pageC4_inquiry - Send a Page 0xC4 Inquiry to the adapter. | |
7991 | * @ipr_cmd: ipr command struct | |
7992 | * | |
7993 | * This function sends a Page 0xC4 inquiry to the adapter | |
7994 | * to retrieve software VPD information. | |
7995 | * | |
7996 | * Return value: | |
7997 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
7998 | **/ | |
7999 | static int ipr_ioafp_pageC4_inquiry(struct ipr_cmnd *ipr_cmd) | |
8000 | { | |
8001 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
8002 | struct ipr_inquiry_page0 *page0 = &ioa_cfg->vpd_cbs->page0_data; | |
8003 | struct ipr_inquiry_pageC4 *pageC4 = &ioa_cfg->vpd_cbs->pageC4_data; | |
8004 | ||
8005 | ENTER; | |
1a47af26 | 8006 | ipr_cmd->job_step = ipr_ioafp_set_caching_parameters; |
1021b3ff GKB |
8007 | memset(pageC4, 0, sizeof(*pageC4)); |
8008 | ||
8009 | if (ipr_inquiry_page_supported(page0, 0xC4)) { | |
8010 | ipr_ioafp_inquiry(ipr_cmd, 1, 0xC4, | |
8011 | (ioa_cfg->vpd_cbs_dma | |
8012 | + offsetof(struct ipr_misc_cbs, | |
8013 | pageC4_data)), | |
8014 | sizeof(struct ipr_inquiry_pageC4)); | |
8015 | return IPR_RC_JOB_RETURN; | |
8016 | } | |
8017 | ||
8018 | LEAVE; | |
8019 | return IPR_RC_JOB_CONTINUE; | |
8020 | } | |
8021 | ||
ac09c349 BK |
8022 | /** |
8023 | * ipr_ioafp_cap_inquiry - Send a Page 0xD0 Inquiry to the adapter. | |
8024 | * @ipr_cmd: ipr command struct | |
8025 | * | |
8026 | * This function sends a Page 0xD0 inquiry to the adapter | |
8027 | * to retrieve adapter capabilities. | |
8028 | * | |
8029 | * Return value: | |
8030 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
8031 | **/ | |
8032 | static int ipr_ioafp_cap_inquiry(struct ipr_cmnd *ipr_cmd) | |
8033 | { | |
8034 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
8035 | struct ipr_inquiry_page0 *page0 = &ioa_cfg->vpd_cbs->page0_data; | |
8036 | struct ipr_inquiry_cap *cap = &ioa_cfg->vpd_cbs->cap; | |
8037 | ||
8038 | ENTER; | |
1021b3ff | 8039 | ipr_cmd->job_step = ipr_ioafp_pageC4_inquiry; |
ac09c349 BK |
8040 | memset(cap, 0, sizeof(*cap)); |
8041 | ||
8042 | if (ipr_inquiry_page_supported(page0, 0xD0)) { | |
8043 | ipr_ioafp_inquiry(ipr_cmd, 1, 0xD0, | |
8044 | ioa_cfg->vpd_cbs_dma + offsetof(struct ipr_misc_cbs, cap), | |
8045 | sizeof(struct ipr_inquiry_cap)); | |
8046 | return IPR_RC_JOB_RETURN; | |
8047 | } | |
8048 | ||
8049 | LEAVE; | |
8050 | return IPR_RC_JOB_CONTINUE; | |
8051 | } | |
8052 | ||
1da177e4 LT |
8053 | /** |
8054 | * ipr_ioafp_page3_inquiry - Send a Page 3 Inquiry to the adapter. | |
8055 | * @ipr_cmd: ipr command struct | |
8056 | * | |
8057 | * This function sends a Page 3 inquiry to the adapter | |
8058 | * to retrieve software VPD information. | |
8059 | * | |
8060 | * Return value: | |
8061 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
8062 | **/ | |
8063 | static int ipr_ioafp_page3_inquiry(struct ipr_cmnd *ipr_cmd) | |
62275040 BK |
8064 | { |
8065 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
62275040 BK |
8066 | |
8067 | ENTER; | |
8068 | ||
ac09c349 | 8069 | ipr_cmd->job_step = ipr_ioafp_cap_inquiry; |
62275040 BK |
8070 | |
8071 | ipr_ioafp_inquiry(ipr_cmd, 1, 3, | |
8072 | ioa_cfg->vpd_cbs_dma + offsetof(struct ipr_misc_cbs, page3_data), | |
8073 | sizeof(struct ipr_inquiry_page3)); | |
8074 | ||
8075 | LEAVE; | |
8076 | return IPR_RC_JOB_RETURN; | |
8077 | } | |
8078 | ||
8079 | /** | |
8080 | * ipr_ioafp_page0_inquiry - Send a Page 0 Inquiry to the adapter. | |
8081 | * @ipr_cmd: ipr command struct | |
8082 | * | |
8083 | * This function sends a Page 0 inquiry to the adapter | |
8084 | * to retrieve supported inquiry pages. | |
8085 | * | |
8086 | * Return value: | |
8087 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
8088 | **/ | |
8089 | static int ipr_ioafp_page0_inquiry(struct ipr_cmnd *ipr_cmd) | |
1da177e4 LT |
8090 | { |
8091 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
8092 | char type[5]; | |
8093 | ||
8094 | ENTER; | |
8095 | ||
8096 | /* Grab the type out of the VPD and store it away */ | |
8097 | memcpy(type, ioa_cfg->vpd_cbs->ioa_vpd.std_inq_data.vpids.product_id, 4); | |
8098 | type[4] = '\0'; | |
8099 | ioa_cfg->type = simple_strtoul((char *)type, NULL, 16); | |
8100 | ||
f688f96d BK |
8101 | if (ipr_invalid_adapter(ioa_cfg)) { |
8102 | dev_err(&ioa_cfg->pdev->dev, | |
8103 | "Adapter not supported in this hardware configuration.\n"); | |
8104 | ||
8105 | if (!ipr_testmode) { | |
8106 | ioa_cfg->reset_retries += IPR_NUM_RESET_RELOAD_RETRIES; | |
8107 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); | |
8108 | list_add_tail(&ipr_cmd->queue, | |
8109 | &ioa_cfg->hrrq->hrrq_free_q); | |
8110 | return IPR_RC_JOB_RETURN; | |
8111 | } | |
8112 | } | |
8113 | ||
62275040 | 8114 | ipr_cmd->job_step = ipr_ioafp_page3_inquiry; |
1da177e4 | 8115 | |
62275040 BK |
8116 | ipr_ioafp_inquiry(ipr_cmd, 1, 0, |
8117 | ioa_cfg->vpd_cbs_dma + offsetof(struct ipr_misc_cbs, page0_data), | |
8118 | sizeof(struct ipr_inquiry_page0)); | |
1da177e4 LT |
8119 | |
8120 | LEAVE; | |
8121 | return IPR_RC_JOB_RETURN; | |
8122 | } | |
8123 | ||
8124 | /** | |
8125 | * ipr_ioafp_std_inquiry - Send a Standard Inquiry to the adapter. | |
8126 | * @ipr_cmd: ipr command struct | |
8127 | * | |
8128 | * This function sends a standard inquiry to the adapter. | |
8129 | * | |
8130 | * Return value: | |
8131 | * IPR_RC_JOB_RETURN | |
8132 | **/ | |
8133 | static int ipr_ioafp_std_inquiry(struct ipr_cmnd *ipr_cmd) | |
8134 | { | |
8135 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
8136 | ||
8137 | ENTER; | |
62275040 | 8138 | ipr_cmd->job_step = ipr_ioafp_page0_inquiry; |
1da177e4 LT |
8139 | |
8140 | ipr_ioafp_inquiry(ipr_cmd, 0, 0, | |
8141 | ioa_cfg->vpd_cbs_dma + offsetof(struct ipr_misc_cbs, ioa_vpd), | |
8142 | sizeof(struct ipr_ioa_vpd)); | |
8143 | ||
8144 | LEAVE; | |
8145 | return IPR_RC_JOB_RETURN; | |
8146 | } | |
8147 | ||
8148 | /** | |
214777ba | 8149 | * ipr_ioafp_identify_hrrq - Send Identify Host RRQ. |
1da177e4 LT |
8150 | * @ipr_cmd: ipr command struct |
8151 | * | |
8152 | * This function send an Identify Host Request Response Queue | |
8153 | * command to establish the HRRQ with the adapter. | |
8154 | * | |
8155 | * Return value: | |
8156 | * IPR_RC_JOB_RETURN | |
8157 | **/ | |
214777ba | 8158 | static int ipr_ioafp_identify_hrrq(struct ipr_cmnd *ipr_cmd) |
1da177e4 LT |
8159 | { |
8160 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
8161 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
05a6538a | 8162 | struct ipr_hrr_queue *hrrq; |
1da177e4 LT |
8163 | |
8164 | ENTER; | |
05a6538a | 8165 | ipr_cmd->job_step = ipr_ioafp_std_inquiry; |
87adbe08 BK |
8166 | if (ioa_cfg->identify_hrrq_index == 0) |
8167 | dev_info(&ioa_cfg->pdev->dev, "Starting IOA initialization sequence.\n"); | |
1da177e4 | 8168 | |
56d6aa33 | 8169 | if (ioa_cfg->identify_hrrq_index < ioa_cfg->hrrq_num) { |
8170 | hrrq = &ioa_cfg->hrrq[ioa_cfg->identify_hrrq_index]; | |
1da177e4 | 8171 | |
05a6538a | 8172 | ioarcb->cmd_pkt.cdb[0] = IPR_ID_HOST_RR_Q; |
8173 | ioarcb->res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE); | |
1da177e4 | 8174 | |
05a6538a | 8175 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_IOACMD; |
8176 | if (ioa_cfg->sis64) | |
8177 | ioarcb->cmd_pkt.cdb[1] = 0x1; | |
214777ba | 8178 | |
05a6538a | 8179 | if (ioa_cfg->nvectors == 1) |
8180 | ioarcb->cmd_pkt.cdb[1] &= ~IPR_ID_HRRQ_SELE_ENABLE; | |
8181 | else | |
8182 | ioarcb->cmd_pkt.cdb[1] |= IPR_ID_HRRQ_SELE_ENABLE; | |
8183 | ||
8184 | ioarcb->cmd_pkt.cdb[2] = | |
8185 | ((u64) hrrq->host_rrq_dma >> 24) & 0xff; | |
8186 | ioarcb->cmd_pkt.cdb[3] = | |
8187 | ((u64) hrrq->host_rrq_dma >> 16) & 0xff; | |
8188 | ioarcb->cmd_pkt.cdb[4] = | |
8189 | ((u64) hrrq->host_rrq_dma >> 8) & 0xff; | |
8190 | ioarcb->cmd_pkt.cdb[5] = | |
8191 | ((u64) hrrq->host_rrq_dma) & 0xff; | |
8192 | ioarcb->cmd_pkt.cdb[7] = | |
8193 | ((sizeof(u32) * hrrq->size) >> 8) & 0xff; | |
8194 | ioarcb->cmd_pkt.cdb[8] = | |
8195 | (sizeof(u32) * hrrq->size) & 0xff; | |
8196 | ||
8197 | if (ioarcb->cmd_pkt.cdb[1] & IPR_ID_HRRQ_SELE_ENABLE) | |
56d6aa33 | 8198 | ioarcb->cmd_pkt.cdb[9] = |
8199 | ioa_cfg->identify_hrrq_index; | |
1da177e4 | 8200 | |
05a6538a | 8201 | if (ioa_cfg->sis64) { |
8202 | ioarcb->cmd_pkt.cdb[10] = | |
8203 | ((u64) hrrq->host_rrq_dma >> 56) & 0xff; | |
8204 | ioarcb->cmd_pkt.cdb[11] = | |
8205 | ((u64) hrrq->host_rrq_dma >> 48) & 0xff; | |
8206 | ioarcb->cmd_pkt.cdb[12] = | |
8207 | ((u64) hrrq->host_rrq_dma >> 40) & 0xff; | |
8208 | ioarcb->cmd_pkt.cdb[13] = | |
8209 | ((u64) hrrq->host_rrq_dma >> 32) & 0xff; | |
8210 | } | |
8211 | ||
8212 | if (ioarcb->cmd_pkt.cdb[1] & IPR_ID_HRRQ_SELE_ENABLE) | |
56d6aa33 | 8213 | ioarcb->cmd_pkt.cdb[14] = |
8214 | ioa_cfg->identify_hrrq_index; | |
05a6538a | 8215 | |
8216 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, | |
8217 | IPR_INTERNAL_TIMEOUT); | |
8218 | ||
56d6aa33 | 8219 | if (++ioa_cfg->identify_hrrq_index < ioa_cfg->hrrq_num) |
8220 | ipr_cmd->job_step = ipr_ioafp_identify_hrrq; | |
05a6538a | 8221 | |
8222 | LEAVE; | |
8223 | return IPR_RC_JOB_RETURN; | |
05a6538a | 8224 | } |
8225 | ||
1da177e4 | 8226 | LEAVE; |
05a6538a | 8227 | return IPR_RC_JOB_CONTINUE; |
1da177e4 LT |
8228 | } |
8229 | ||
8230 | /** | |
8231 | * ipr_reset_timer_done - Adapter reset timer function | |
8232 | * @ipr_cmd: ipr command struct | |
8233 | * | |
8234 | * Description: This function is used in adapter reset processing | |
8235 | * for timing events. If the reset_cmd pointer in the IOA | |
8236 | * config struct is not this adapter's we are doing nested | |
8237 | * resets and fail_all_ops will take care of freeing the | |
8238 | * command block. | |
8239 | * | |
8240 | * Return value: | |
8241 | * none | |
8242 | **/ | |
738c6ec5 | 8243 | static void ipr_reset_timer_done(struct timer_list *t) |
1da177e4 | 8244 | { |
738c6ec5 | 8245 | struct ipr_cmnd *ipr_cmd = from_timer(ipr_cmd, t, timer); |
1da177e4 LT |
8246 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; |
8247 | unsigned long lock_flags = 0; | |
8248 | ||
8249 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
8250 | ||
8251 | if (ioa_cfg->reset_cmd == ipr_cmd) { | |
8252 | list_del(&ipr_cmd->queue); | |
8253 | ipr_cmd->done(ipr_cmd); | |
8254 | } | |
8255 | ||
8256 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
8257 | } | |
8258 | ||
8259 | /** | |
8260 | * ipr_reset_start_timer - Start a timer for adapter reset job | |
8261 | * @ipr_cmd: ipr command struct | |
8262 | * @timeout: timeout value | |
8263 | * | |
8264 | * Description: This function is used in adapter reset processing | |
8265 | * for timing events. If the reset_cmd pointer in the IOA | |
8266 | * config struct is not this adapter's we are doing nested | |
8267 | * resets and fail_all_ops will take care of freeing the | |
8268 | * command block. | |
8269 | * | |
8270 | * Return value: | |
8271 | * none | |
8272 | **/ | |
8273 | static void ipr_reset_start_timer(struct ipr_cmnd *ipr_cmd, | |
8274 | unsigned long timeout) | |
8275 | { | |
05a6538a | 8276 | |
8277 | ENTER; | |
8278 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_pending_q); | |
1da177e4 LT |
8279 | ipr_cmd->done = ipr_reset_ioa_job; |
8280 | ||
1da177e4 | 8281 | ipr_cmd->timer.expires = jiffies + timeout; |
841b86f3 | 8282 | ipr_cmd->timer.function = ipr_reset_timer_done; |
1da177e4 LT |
8283 | add_timer(&ipr_cmd->timer); |
8284 | } | |
8285 | ||
8286 | /** | |
8287 | * ipr_init_ioa_mem - Initialize ioa_cfg control block | |
8288 | * @ioa_cfg: ioa cfg struct | |
8289 | * | |
8290 | * Return value: | |
8291 | * nothing | |
8292 | **/ | |
8293 | static void ipr_init_ioa_mem(struct ipr_ioa_cfg *ioa_cfg) | |
8294 | { | |
05a6538a | 8295 | struct ipr_hrr_queue *hrrq; |
1da177e4 | 8296 | |
05a6538a | 8297 | for_each_hrrq(hrrq, ioa_cfg) { |
56d6aa33 | 8298 | spin_lock(&hrrq->_lock); |
05a6538a | 8299 | memset(hrrq->host_rrq, 0, sizeof(u32) * hrrq->size); |
8300 | ||
8301 | /* Initialize Host RRQ pointers */ | |
8302 | hrrq->hrrq_start = hrrq->host_rrq; | |
8303 | hrrq->hrrq_end = &hrrq->host_rrq[hrrq->size - 1]; | |
8304 | hrrq->hrrq_curr = hrrq->hrrq_start; | |
8305 | hrrq->toggle_bit = 1; | |
56d6aa33 | 8306 | spin_unlock(&hrrq->_lock); |
05a6538a | 8307 | } |
56d6aa33 | 8308 | wmb(); |
05a6538a | 8309 | |
56d6aa33 | 8310 | ioa_cfg->identify_hrrq_index = 0; |
8311 | if (ioa_cfg->hrrq_num == 1) | |
8312 | atomic_set(&ioa_cfg->hrrq_index, 0); | |
8313 | else | |
8314 | atomic_set(&ioa_cfg->hrrq_index, 1); | |
1da177e4 LT |
8315 | |
8316 | /* Zero out config table */ | |
3e7ebdfa | 8317 | memset(ioa_cfg->u.cfg_table, 0, ioa_cfg->cfg_table_size); |
1da177e4 LT |
8318 | } |
8319 | ||
214777ba WB |
8320 | /** |
8321 | * ipr_reset_next_stage - Process IPL stage change based on feedback register. | |
8322 | * @ipr_cmd: ipr command struct | |
8323 | * | |
8324 | * Return value: | |
8325 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
8326 | **/ | |
8327 | static int ipr_reset_next_stage(struct ipr_cmnd *ipr_cmd) | |
8328 | { | |
8329 | unsigned long stage, stage_time; | |
8330 | u32 feedback; | |
8331 | volatile u32 int_reg; | |
8332 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
8333 | u64 maskval = 0; | |
8334 | ||
8335 | feedback = readl(ioa_cfg->regs.init_feedback_reg); | |
8336 | stage = feedback & IPR_IPL_INIT_STAGE_MASK; | |
8337 | stage_time = feedback & IPR_IPL_INIT_STAGE_TIME_MASK; | |
8338 | ||
8339 | ipr_dbg("IPL stage = 0x%lx, IPL stage time = %ld\n", stage, stage_time); | |
8340 | ||
8341 | /* sanity check the stage_time value */ | |
438b0331 WB |
8342 | if (stage_time == 0) |
8343 | stage_time = IPR_IPL_INIT_DEFAULT_STAGE_TIME; | |
8344 | else if (stage_time < IPR_IPL_INIT_MIN_STAGE_TIME) | |
214777ba WB |
8345 | stage_time = IPR_IPL_INIT_MIN_STAGE_TIME; |
8346 | else if (stage_time > IPR_LONG_OPERATIONAL_TIMEOUT) | |
8347 | stage_time = IPR_LONG_OPERATIONAL_TIMEOUT; | |
8348 | ||
8349 | if (stage == IPR_IPL_INIT_STAGE_UNKNOWN) { | |
8350 | writel(IPR_PCII_IPL_STAGE_CHANGE, ioa_cfg->regs.set_interrupt_mask_reg); | |
8351 | int_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg); | |
8352 | stage_time = ioa_cfg->transop_timeout; | |
8353 | ipr_cmd->job_step = ipr_ioafp_identify_hrrq; | |
8354 | } else if (stage == IPR_IPL_INIT_STAGE_TRANSOP) { | |
1df79ca4 WB |
8355 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg32); |
8356 | if (int_reg & IPR_PCII_IOA_TRANS_TO_OPER) { | |
8357 | ipr_cmd->job_step = ipr_ioafp_identify_hrrq; | |
8358 | maskval = IPR_PCII_IPL_STAGE_CHANGE; | |
8359 | maskval = (maskval << 32) | IPR_PCII_IOA_TRANS_TO_OPER; | |
8360 | writeq(maskval, ioa_cfg->regs.set_interrupt_mask_reg); | |
8361 | int_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg); | |
8362 | return IPR_RC_JOB_CONTINUE; | |
8363 | } | |
214777ba WB |
8364 | } |
8365 | ||
214777ba | 8366 | ipr_cmd->timer.expires = jiffies + stage_time * HZ; |
841b86f3 | 8367 | ipr_cmd->timer.function = ipr_oper_timeout; |
214777ba WB |
8368 | ipr_cmd->done = ipr_reset_ioa_job; |
8369 | add_timer(&ipr_cmd->timer); | |
05a6538a | 8370 | |
8371 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_pending_q); | |
214777ba WB |
8372 | |
8373 | return IPR_RC_JOB_RETURN; | |
8374 | } | |
8375 | ||
1da177e4 LT |
8376 | /** |
8377 | * ipr_reset_enable_ioa - Enable the IOA following a reset. | |
8378 | * @ipr_cmd: ipr command struct | |
8379 | * | |
8380 | * This function reinitializes some control blocks and | |
8381 | * enables destructive diagnostics on the adapter. | |
8382 | * | |
8383 | * Return value: | |
8384 | * IPR_RC_JOB_RETURN | |
8385 | **/ | |
8386 | static int ipr_reset_enable_ioa(struct ipr_cmnd *ipr_cmd) | |
8387 | { | |
8388 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
8389 | volatile u32 int_reg; | |
7be96900 | 8390 | volatile u64 maskval; |
56d6aa33 | 8391 | int i; |
1da177e4 LT |
8392 | |
8393 | ENTER; | |
214777ba | 8394 | ipr_cmd->job_step = ipr_ioafp_identify_hrrq; |
1da177e4 LT |
8395 | ipr_init_ioa_mem(ioa_cfg); |
8396 | ||
56d6aa33 | 8397 | for (i = 0; i < ioa_cfg->hrrq_num; i++) { |
8398 | spin_lock(&ioa_cfg->hrrq[i]._lock); | |
8399 | ioa_cfg->hrrq[i].allow_interrupts = 1; | |
8400 | spin_unlock(&ioa_cfg->hrrq[i]._lock); | |
8401 | } | |
8402 | wmb(); | |
8701f185 WB |
8403 | if (ioa_cfg->sis64) { |
8404 | /* Set the adapter to the correct endian mode. */ | |
8405 | writel(IPR_ENDIAN_SWAP_KEY, ioa_cfg->regs.endian_swap_reg); | |
8406 | int_reg = readl(ioa_cfg->regs.endian_swap_reg); | |
8407 | } | |
8408 | ||
7be96900 | 8409 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg32); |
1da177e4 LT |
8410 | |
8411 | if (int_reg & IPR_PCII_IOA_TRANS_TO_OPER) { | |
8412 | writel((IPR_PCII_ERROR_INTERRUPTS | IPR_PCII_HRRQ_UPDATED), | |
214777ba | 8413 | ioa_cfg->regs.clr_interrupt_mask_reg32); |
1da177e4 LT |
8414 | int_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg); |
8415 | return IPR_RC_JOB_CONTINUE; | |
8416 | } | |
8417 | ||
8418 | /* Enable destructive diagnostics on IOA */ | |
214777ba WB |
8419 | writel(ioa_cfg->doorbell, ioa_cfg->regs.set_uproc_interrupt_reg32); |
8420 | ||
7be96900 WB |
8421 | if (ioa_cfg->sis64) { |
8422 | maskval = IPR_PCII_IPL_STAGE_CHANGE; | |
8423 | maskval = (maskval << 32) | IPR_PCII_OPER_INTERRUPTS; | |
8424 | writeq(maskval, ioa_cfg->regs.clr_interrupt_mask_reg); | |
8425 | } else | |
8426 | writel(IPR_PCII_OPER_INTERRUPTS, ioa_cfg->regs.clr_interrupt_mask_reg32); | |
1da177e4 | 8427 | |
1da177e4 LT |
8428 | int_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg); |
8429 | ||
8430 | dev_info(&ioa_cfg->pdev->dev, "Initializing IOA.\n"); | |
8431 | ||
214777ba WB |
8432 | if (ioa_cfg->sis64) { |
8433 | ipr_cmd->job_step = ipr_reset_next_stage; | |
8434 | return IPR_RC_JOB_CONTINUE; | |
8435 | } | |
8436 | ||
5469cb5b | 8437 | ipr_cmd->timer.expires = jiffies + (ioa_cfg->transop_timeout * HZ); |
841b86f3 | 8438 | ipr_cmd->timer.function = ipr_oper_timeout; |
1da177e4 LT |
8439 | ipr_cmd->done = ipr_reset_ioa_job; |
8440 | add_timer(&ipr_cmd->timer); | |
05a6538a | 8441 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_pending_q); |
1da177e4 LT |
8442 | |
8443 | LEAVE; | |
8444 | return IPR_RC_JOB_RETURN; | |
8445 | } | |
8446 | ||
8447 | /** | |
8448 | * ipr_reset_wait_for_dump - Wait for a dump to timeout. | |
8449 | * @ipr_cmd: ipr command struct | |
8450 | * | |
8451 | * This function is invoked when an adapter dump has run out | |
8452 | * of processing time. | |
8453 | * | |
8454 | * Return value: | |
8455 | * IPR_RC_JOB_CONTINUE | |
8456 | **/ | |
8457 | static int ipr_reset_wait_for_dump(struct ipr_cmnd *ipr_cmd) | |
8458 | { | |
8459 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
8460 | ||
8461 | if (ioa_cfg->sdt_state == GET_DUMP) | |
41e9a696 BK |
8462 | ioa_cfg->sdt_state = WAIT_FOR_DUMP; |
8463 | else if (ioa_cfg->sdt_state == READ_DUMP) | |
1da177e4 LT |
8464 | ioa_cfg->sdt_state = ABORT_DUMP; |
8465 | ||
4c647e90 | 8466 | ioa_cfg->dump_timeout = 1; |
1da177e4 LT |
8467 | ipr_cmd->job_step = ipr_reset_alert; |
8468 | ||
8469 | return IPR_RC_JOB_CONTINUE; | |
8470 | } | |
8471 | ||
8472 | /** | |
8473 | * ipr_unit_check_no_data - Log a unit check/no data error log | |
8474 | * @ioa_cfg: ioa config struct | |
8475 | * | |
8476 | * Logs an error indicating the adapter unit checked, but for some | |
8477 | * reason, we were unable to fetch the unit check buffer. | |
8478 | * | |
8479 | * Return value: | |
8480 | * nothing | |
8481 | **/ | |
8482 | static void ipr_unit_check_no_data(struct ipr_ioa_cfg *ioa_cfg) | |
8483 | { | |
8484 | ioa_cfg->errors_logged++; | |
8485 | dev_err(&ioa_cfg->pdev->dev, "IOA unit check with no data\n"); | |
8486 | } | |
8487 | ||
8488 | /** | |
8489 | * ipr_get_unit_check_buffer - Get the unit check buffer from the IOA | |
8490 | * @ioa_cfg: ioa config struct | |
8491 | * | |
8492 | * Fetches the unit check buffer from the adapter by clocking the data | |
8493 | * through the mailbox register. | |
8494 | * | |
8495 | * Return value: | |
8496 | * nothing | |
8497 | **/ | |
8498 | static void ipr_get_unit_check_buffer(struct ipr_ioa_cfg *ioa_cfg) | |
8499 | { | |
8500 | unsigned long mailbox; | |
8501 | struct ipr_hostrcb *hostrcb; | |
8502 | struct ipr_uc_sdt sdt; | |
8503 | int rc, length; | |
65f56475 | 8504 | u32 ioasc; |
1da177e4 LT |
8505 | |
8506 | mailbox = readl(ioa_cfg->ioa_mailbox); | |
8507 | ||
dcbad00e | 8508 | if (!ioa_cfg->sis64 && !ipr_sdt_is_fmt2(mailbox)) { |
1da177e4 LT |
8509 | ipr_unit_check_no_data(ioa_cfg); |
8510 | return; | |
8511 | } | |
8512 | ||
8513 | memset(&sdt, 0, sizeof(struct ipr_uc_sdt)); | |
8514 | rc = ipr_get_ldump_data_section(ioa_cfg, mailbox, (__be32 *) &sdt, | |
8515 | (sizeof(struct ipr_uc_sdt)) / sizeof(__be32)); | |
8516 | ||
dcbad00e WB |
8517 | if (rc || !(sdt.entry[0].flags & IPR_SDT_VALID_ENTRY) || |
8518 | ((be32_to_cpu(sdt.hdr.state) != IPR_FMT3_SDT_READY_TO_USE) && | |
8519 | (be32_to_cpu(sdt.hdr.state) != IPR_FMT2_SDT_READY_TO_USE))) { | |
1da177e4 LT |
8520 | ipr_unit_check_no_data(ioa_cfg); |
8521 | return; | |
8522 | } | |
8523 | ||
8524 | /* Find length of the first sdt entry (UC buffer) */ | |
dcbad00e WB |
8525 | if (be32_to_cpu(sdt.hdr.state) == IPR_FMT3_SDT_READY_TO_USE) |
8526 | length = be32_to_cpu(sdt.entry[0].end_token); | |
8527 | else | |
8528 | length = (be32_to_cpu(sdt.entry[0].end_token) - | |
8529 | be32_to_cpu(sdt.entry[0].start_token)) & | |
8530 | IPR_FMT2_MBX_ADDR_MASK; | |
1da177e4 LT |
8531 | |
8532 | hostrcb = list_entry(ioa_cfg->hostrcb_free_q.next, | |
8533 | struct ipr_hostrcb, queue); | |
afc3f83c | 8534 | list_del_init(&hostrcb->queue); |
1da177e4 LT |
8535 | memset(&hostrcb->hcam, 0, sizeof(hostrcb->hcam)); |
8536 | ||
8537 | rc = ipr_get_ldump_data_section(ioa_cfg, | |
dcbad00e | 8538 | be32_to_cpu(sdt.entry[0].start_token), |
1da177e4 LT |
8539 | (__be32 *)&hostrcb->hcam, |
8540 | min(length, (int)sizeof(hostrcb->hcam)) / sizeof(__be32)); | |
8541 | ||
65f56475 | 8542 | if (!rc) { |
1da177e4 | 8543 | ipr_handle_log_data(ioa_cfg, hostrcb); |
4565e370 | 8544 | ioasc = be32_to_cpu(hostrcb->hcam.u.error.fd_ioasc); |
65f56475 BK |
8545 | if (ioasc == IPR_IOASC_NR_IOA_RESET_REQUIRED && |
8546 | ioa_cfg->sdt_state == GET_DUMP) | |
8547 | ioa_cfg->sdt_state = WAIT_FOR_DUMP; | |
8548 | } else | |
1da177e4 LT |
8549 | ipr_unit_check_no_data(ioa_cfg); |
8550 | ||
8551 | list_add_tail(&hostrcb->queue, &ioa_cfg->hostrcb_free_q); | |
8552 | } | |
8553 | ||
110def85 WB |
8554 | /** |
8555 | * ipr_reset_get_unit_check_job - Call to get the unit check buffer. | |
8556 | * @ipr_cmd: ipr command struct | |
8557 | * | |
8558 | * Description: This function will call to get the unit check buffer. | |
8559 | * | |
8560 | * Return value: | |
8561 | * IPR_RC_JOB_RETURN | |
8562 | **/ | |
8563 | static int ipr_reset_get_unit_check_job(struct ipr_cmnd *ipr_cmd) | |
8564 | { | |
8565 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
8566 | ||
8567 | ENTER; | |
8568 | ioa_cfg->ioa_unit_checked = 0; | |
8569 | ipr_get_unit_check_buffer(ioa_cfg); | |
8570 | ipr_cmd->job_step = ipr_reset_alert; | |
8571 | ipr_reset_start_timer(ipr_cmd, 0); | |
8572 | ||
8573 | LEAVE; | |
8574 | return IPR_RC_JOB_RETURN; | |
8575 | } | |
8576 | ||
f41f1d99 GKB |
8577 | static int ipr_dump_mailbox_wait(struct ipr_cmnd *ipr_cmd) |
8578 | { | |
8579 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
8580 | ||
8581 | ENTER; | |
8582 | ||
8583 | if (ioa_cfg->sdt_state != GET_DUMP) | |
8584 | return IPR_RC_JOB_RETURN; | |
8585 | ||
8586 | if (!ioa_cfg->sis64 || !ipr_cmd->u.time_left || | |
8587 | (readl(ioa_cfg->regs.sense_interrupt_reg) & | |
8588 | IPR_PCII_MAILBOX_STABLE)) { | |
8589 | ||
8590 | if (!ipr_cmd->u.time_left) | |
8591 | dev_err(&ioa_cfg->pdev->dev, | |
8592 | "Timed out waiting for Mailbox register.\n"); | |
8593 | ||
8594 | ioa_cfg->sdt_state = READ_DUMP; | |
8595 | ioa_cfg->dump_timeout = 0; | |
8596 | if (ioa_cfg->sis64) | |
8597 | ipr_reset_start_timer(ipr_cmd, IPR_SIS64_DUMP_TIMEOUT); | |
8598 | else | |
8599 | ipr_reset_start_timer(ipr_cmd, IPR_SIS32_DUMP_TIMEOUT); | |
8600 | ipr_cmd->job_step = ipr_reset_wait_for_dump; | |
8601 | schedule_work(&ioa_cfg->work_q); | |
8602 | ||
8603 | } else { | |
8604 | ipr_cmd->u.time_left -= IPR_CHECK_FOR_RESET_TIMEOUT; | |
8605 | ipr_reset_start_timer(ipr_cmd, | |
8606 | IPR_CHECK_FOR_RESET_TIMEOUT); | |
8607 | } | |
8608 | ||
8609 | LEAVE; | |
8610 | return IPR_RC_JOB_RETURN; | |
8611 | } | |
8612 | ||
1da177e4 LT |
8613 | /** |
8614 | * ipr_reset_restore_cfg_space - Restore PCI config space. | |
8615 | * @ipr_cmd: ipr command struct | |
8616 | * | |
8617 | * Description: This function restores the saved PCI config space of | |
8618 | * the adapter, fails all outstanding ops back to the callers, and | |
8619 | * fetches the dump/unit check if applicable to this reset. | |
8620 | * | |
8621 | * Return value: | |
8622 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
8623 | **/ | |
8624 | static int ipr_reset_restore_cfg_space(struct ipr_cmnd *ipr_cmd) | |
8625 | { | |
8626 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
630ad831 | 8627 | u32 int_reg; |
1da177e4 LT |
8628 | |
8629 | ENTER; | |
99c965dd | 8630 | ioa_cfg->pdev->state_saved = true; |
1d3c16a8 | 8631 | pci_restore_state(ioa_cfg->pdev); |
1da177e4 LT |
8632 | |
8633 | if (ipr_set_pcix_cmd_reg(ioa_cfg)) { | |
96d21f00 | 8634 | ipr_cmd->s.ioasa.hdr.ioasc = cpu_to_be32(IPR_IOASC_PCI_ACCESS_ERROR); |
1da177e4 LT |
8635 | return IPR_RC_JOB_CONTINUE; |
8636 | } | |
8637 | ||
8638 | ipr_fail_all_ops(ioa_cfg); | |
8639 | ||
8701f185 WB |
8640 | if (ioa_cfg->sis64) { |
8641 | /* Set the adapter to the correct endian mode. */ | |
8642 | writel(IPR_ENDIAN_SWAP_KEY, ioa_cfg->regs.endian_swap_reg); | |
8643 | int_reg = readl(ioa_cfg->regs.endian_swap_reg); | |
8644 | } | |
8645 | ||
1da177e4 | 8646 | if (ioa_cfg->ioa_unit_checked) { |
110def85 WB |
8647 | if (ioa_cfg->sis64) { |
8648 | ipr_cmd->job_step = ipr_reset_get_unit_check_job; | |
8649 | ipr_reset_start_timer(ipr_cmd, IPR_DUMP_DELAY_TIMEOUT); | |
8650 | return IPR_RC_JOB_RETURN; | |
8651 | } else { | |
8652 | ioa_cfg->ioa_unit_checked = 0; | |
8653 | ipr_get_unit_check_buffer(ioa_cfg); | |
8654 | ipr_cmd->job_step = ipr_reset_alert; | |
8655 | ipr_reset_start_timer(ipr_cmd, 0); | |
8656 | return IPR_RC_JOB_RETURN; | |
8657 | } | |
1da177e4 LT |
8658 | } |
8659 | ||
8660 | if (ioa_cfg->in_ioa_bringdown) { | |
8661 | ipr_cmd->job_step = ipr_ioa_bringdown_done; | |
f41f1d99 GKB |
8662 | } else if (ioa_cfg->sdt_state == GET_DUMP) { |
8663 | ipr_cmd->job_step = ipr_dump_mailbox_wait; | |
8664 | ipr_cmd->u.time_left = IPR_WAIT_FOR_MAILBOX; | |
1da177e4 LT |
8665 | } else { |
8666 | ipr_cmd->job_step = ipr_reset_enable_ioa; | |
1da177e4 LT |
8667 | } |
8668 | ||
438b0331 | 8669 | LEAVE; |
1da177e4 LT |
8670 | return IPR_RC_JOB_CONTINUE; |
8671 | } | |
8672 | ||
e619e1a7 BK |
8673 | /** |
8674 | * ipr_reset_bist_done - BIST has completed on the adapter. | |
8675 | * @ipr_cmd: ipr command struct | |
8676 | * | |
8677 | * Description: Unblock config space and resume the reset process. | |
8678 | * | |
8679 | * Return value: | |
8680 | * IPR_RC_JOB_CONTINUE | |
8681 | **/ | |
8682 | static int ipr_reset_bist_done(struct ipr_cmnd *ipr_cmd) | |
8683 | { | |
fb51ccbf JK |
8684 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; |
8685 | ||
e619e1a7 | 8686 | ENTER; |
fb51ccbf JK |
8687 | if (ioa_cfg->cfg_locked) |
8688 | pci_cfg_access_unlock(ioa_cfg->pdev); | |
8689 | ioa_cfg->cfg_locked = 0; | |
e619e1a7 BK |
8690 | ipr_cmd->job_step = ipr_reset_restore_cfg_space; |
8691 | LEAVE; | |
8692 | return IPR_RC_JOB_CONTINUE; | |
8693 | } | |
8694 | ||
1da177e4 LT |
8695 | /** |
8696 | * ipr_reset_start_bist - Run BIST on the adapter. | |
8697 | * @ipr_cmd: ipr command struct | |
8698 | * | |
8699 | * Description: This function runs BIST on the adapter, then delays 2 seconds. | |
8700 | * | |
8701 | * Return value: | |
8702 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
8703 | **/ | |
8704 | static int ipr_reset_start_bist(struct ipr_cmnd *ipr_cmd) | |
8705 | { | |
8706 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
cb237ef7 | 8707 | int rc = PCIBIOS_SUCCESSFUL; |
1da177e4 LT |
8708 | |
8709 | ENTER; | |
cb237ef7 WB |
8710 | if (ioa_cfg->ipr_chip->bist_method == IPR_MMIO) |
8711 | writel(IPR_UPROCI_SIS64_START_BIST, | |
8712 | ioa_cfg->regs.set_uproc_interrupt_reg32); | |
8713 | else | |
8714 | rc = pci_write_config_byte(ioa_cfg->pdev, PCI_BIST, PCI_BIST_START); | |
8715 | ||
8716 | if (rc == PCIBIOS_SUCCESSFUL) { | |
e619e1a7 | 8717 | ipr_cmd->job_step = ipr_reset_bist_done; |
1da177e4 LT |
8718 | ipr_reset_start_timer(ipr_cmd, IPR_WAIT_FOR_BIST_TIMEOUT); |
8719 | rc = IPR_RC_JOB_RETURN; | |
cb237ef7 | 8720 | } else { |
fb51ccbf JK |
8721 | if (ioa_cfg->cfg_locked) |
8722 | pci_cfg_access_unlock(ipr_cmd->ioa_cfg->pdev); | |
8723 | ioa_cfg->cfg_locked = 0; | |
cb237ef7 WB |
8724 | ipr_cmd->s.ioasa.hdr.ioasc = cpu_to_be32(IPR_IOASC_PCI_ACCESS_ERROR); |
8725 | rc = IPR_RC_JOB_CONTINUE; | |
1da177e4 LT |
8726 | } |
8727 | ||
8728 | LEAVE; | |
8729 | return rc; | |
8730 | } | |
8731 | ||
463fc696 BK |
8732 | /** |
8733 | * ipr_reset_slot_reset_done - Clear PCI reset to the adapter | |
8734 | * @ipr_cmd: ipr command struct | |
8735 | * | |
8736 | * Description: This clears PCI reset to the adapter and delays two seconds. | |
8737 | * | |
8738 | * Return value: | |
8739 | * IPR_RC_JOB_RETURN | |
8740 | **/ | |
8741 | static int ipr_reset_slot_reset_done(struct ipr_cmnd *ipr_cmd) | |
8742 | { | |
8743 | ENTER; | |
463fc696 BK |
8744 | ipr_cmd->job_step = ipr_reset_bist_done; |
8745 | ipr_reset_start_timer(ipr_cmd, IPR_WAIT_FOR_BIST_TIMEOUT); | |
8746 | LEAVE; | |
8747 | return IPR_RC_JOB_RETURN; | |
8748 | } | |
8749 | ||
2796ca5e BK |
8750 | /** |
8751 | * ipr_reset_reset_work - Pulse a PCIe fundamental reset | |
8752 | * @work: work struct | |
8753 | * | |
8754 | * Description: This pulses warm reset to a slot. | |
8755 | * | |
8756 | **/ | |
8757 | static void ipr_reset_reset_work(struct work_struct *work) | |
8758 | { | |
8759 | struct ipr_cmnd *ipr_cmd = container_of(work, struct ipr_cmnd, work); | |
8760 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
8761 | struct pci_dev *pdev = ioa_cfg->pdev; | |
8762 | unsigned long lock_flags = 0; | |
8763 | ||
8764 | ENTER; | |
8765 | pci_set_pcie_reset_state(pdev, pcie_warm_reset); | |
8766 | msleep(jiffies_to_msecs(IPR_PCI_RESET_TIMEOUT)); | |
8767 | pci_set_pcie_reset_state(pdev, pcie_deassert_reset); | |
8768 | ||
8769 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
8770 | if (ioa_cfg->reset_cmd == ipr_cmd) | |
8771 | ipr_reset_ioa_job(ipr_cmd); | |
8772 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
8773 | LEAVE; | |
8774 | } | |
8775 | ||
463fc696 BK |
8776 | /** |
8777 | * ipr_reset_slot_reset - Reset the PCI slot of the adapter. | |
8778 | * @ipr_cmd: ipr command struct | |
8779 | * | |
8780 | * Description: This asserts PCI reset to the adapter. | |
8781 | * | |
8782 | * Return value: | |
8783 | * IPR_RC_JOB_RETURN | |
8784 | **/ | |
8785 | static int ipr_reset_slot_reset(struct ipr_cmnd *ipr_cmd) | |
8786 | { | |
8787 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
463fc696 BK |
8788 | |
8789 | ENTER; | |
2796ca5e BK |
8790 | INIT_WORK(&ipr_cmd->work, ipr_reset_reset_work); |
8791 | queue_work(ioa_cfg->reset_work_q, &ipr_cmd->work); | |
463fc696 | 8792 | ipr_cmd->job_step = ipr_reset_slot_reset_done; |
463fc696 BK |
8793 | LEAVE; |
8794 | return IPR_RC_JOB_RETURN; | |
8795 | } | |
8796 | ||
fb51ccbf JK |
8797 | /** |
8798 | * ipr_reset_block_config_access_wait - Wait for permission to block config access | |
8799 | * @ipr_cmd: ipr command struct | |
8800 | * | |
8801 | * Description: This attempts to block config access to the IOA. | |
8802 | * | |
8803 | * Return value: | |
8804 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
8805 | **/ | |
8806 | static int ipr_reset_block_config_access_wait(struct ipr_cmnd *ipr_cmd) | |
8807 | { | |
8808 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
8809 | int rc = IPR_RC_JOB_CONTINUE; | |
8810 | ||
8811 | if (pci_cfg_access_trylock(ioa_cfg->pdev)) { | |
8812 | ioa_cfg->cfg_locked = 1; | |
8813 | ipr_cmd->job_step = ioa_cfg->reset; | |
8814 | } else { | |
8815 | if (ipr_cmd->u.time_left) { | |
8816 | rc = IPR_RC_JOB_RETURN; | |
8817 | ipr_cmd->u.time_left -= IPR_CHECK_FOR_RESET_TIMEOUT; | |
8818 | ipr_reset_start_timer(ipr_cmd, | |
8819 | IPR_CHECK_FOR_RESET_TIMEOUT); | |
8820 | } else { | |
8821 | ipr_cmd->job_step = ioa_cfg->reset; | |
8822 | dev_err(&ioa_cfg->pdev->dev, | |
8823 | "Timed out waiting to lock config access. Resetting anyway.\n"); | |
8824 | } | |
8825 | } | |
8826 | ||
8827 | return rc; | |
8828 | } | |
8829 | ||
8830 | /** | |
8831 | * ipr_reset_block_config_access - Block config access to the IOA | |
8832 | * @ipr_cmd: ipr command struct | |
8833 | * | |
8834 | * Description: This attempts to block config access to the IOA | |
8835 | * | |
8836 | * Return value: | |
8837 | * IPR_RC_JOB_CONTINUE | |
8838 | **/ | |
8839 | static int ipr_reset_block_config_access(struct ipr_cmnd *ipr_cmd) | |
8840 | { | |
8841 | ipr_cmd->ioa_cfg->cfg_locked = 0; | |
8842 | ipr_cmd->job_step = ipr_reset_block_config_access_wait; | |
8843 | ipr_cmd->u.time_left = IPR_WAIT_FOR_RESET_TIMEOUT; | |
8844 | return IPR_RC_JOB_CONTINUE; | |
8845 | } | |
8846 | ||
1da177e4 LT |
8847 | /** |
8848 | * ipr_reset_allowed - Query whether or not IOA can be reset | |
8849 | * @ioa_cfg: ioa config struct | |
8850 | * | |
8851 | * Return value: | |
8852 | * 0 if reset not allowed / non-zero if reset is allowed | |
8853 | **/ | |
8854 | static int ipr_reset_allowed(struct ipr_ioa_cfg *ioa_cfg) | |
8855 | { | |
8856 | volatile u32 temp_reg; | |
8857 | ||
8858 | temp_reg = readl(ioa_cfg->regs.sense_interrupt_reg); | |
8859 | return ((temp_reg & IPR_PCII_CRITICAL_OPERATION) == 0); | |
8860 | } | |
8861 | ||
8862 | /** | |
8863 | * ipr_reset_wait_to_start_bist - Wait for permission to reset IOA. | |
8864 | * @ipr_cmd: ipr command struct | |
8865 | * | |
8866 | * Description: This function waits for adapter permission to run BIST, | |
8867 | * then runs BIST. If the adapter does not give permission after a | |
8868 | * reasonable time, we will reset the adapter anyway. The impact of | |
8869 | * resetting the adapter without warning the adapter is the risk of | |
8870 | * losing the persistent error log on the adapter. If the adapter is | |
8871 | * reset while it is writing to the flash on the adapter, the flash | |
8872 | * segment will have bad ECC and be zeroed. | |
8873 | * | |
8874 | * Return value: | |
8875 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
8876 | **/ | |
8877 | static int ipr_reset_wait_to_start_bist(struct ipr_cmnd *ipr_cmd) | |
8878 | { | |
8879 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
8880 | int rc = IPR_RC_JOB_RETURN; | |
8881 | ||
8882 | if (!ipr_reset_allowed(ioa_cfg) && ipr_cmd->u.time_left) { | |
8883 | ipr_cmd->u.time_left -= IPR_CHECK_FOR_RESET_TIMEOUT; | |
8884 | ipr_reset_start_timer(ipr_cmd, IPR_CHECK_FOR_RESET_TIMEOUT); | |
8885 | } else { | |
fb51ccbf | 8886 | ipr_cmd->job_step = ipr_reset_block_config_access; |
1da177e4 LT |
8887 | rc = IPR_RC_JOB_CONTINUE; |
8888 | } | |
8889 | ||
8890 | return rc; | |
8891 | } | |
8892 | ||
8893 | /** | |
8701f185 | 8894 | * ipr_reset_alert - Alert the adapter of a pending reset |
1da177e4 LT |
8895 | * @ipr_cmd: ipr command struct |
8896 | * | |
8897 | * Description: This function alerts the adapter that it will be reset. | |
8898 | * If memory space is not currently enabled, proceed directly | |
8899 | * to running BIST on the adapter. The timer must always be started | |
8900 | * so we guarantee we do not run BIST from ipr_isr. | |
8901 | * | |
8902 | * Return value: | |
8903 | * IPR_RC_JOB_RETURN | |
8904 | **/ | |
8905 | static int ipr_reset_alert(struct ipr_cmnd *ipr_cmd) | |
8906 | { | |
8907 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
8908 | u16 cmd_reg; | |
8909 | int rc; | |
8910 | ||
8911 | ENTER; | |
8912 | rc = pci_read_config_word(ioa_cfg->pdev, PCI_COMMAND, &cmd_reg); | |
8913 | ||
8914 | if ((rc == PCIBIOS_SUCCESSFUL) && (cmd_reg & PCI_COMMAND_MEMORY)) { | |
8915 | ipr_mask_and_clear_interrupts(ioa_cfg, ~0); | |
214777ba | 8916 | writel(IPR_UPROCI_RESET_ALERT, ioa_cfg->regs.set_uproc_interrupt_reg32); |
1da177e4 LT |
8917 | ipr_cmd->job_step = ipr_reset_wait_to_start_bist; |
8918 | } else { | |
fb51ccbf | 8919 | ipr_cmd->job_step = ipr_reset_block_config_access; |
1da177e4 LT |
8920 | } |
8921 | ||
8922 | ipr_cmd->u.time_left = IPR_WAIT_FOR_RESET_TIMEOUT; | |
8923 | ipr_reset_start_timer(ipr_cmd, IPR_CHECK_FOR_RESET_TIMEOUT); | |
8924 | ||
8925 | LEAVE; | |
8926 | return IPR_RC_JOB_RETURN; | |
8927 | } | |
8928 | ||
4fdd7c7a BK |
8929 | /** |
8930 | * ipr_reset_quiesce_done - Complete IOA disconnect | |
8931 | * @ipr_cmd: ipr command struct | |
8932 | * | |
8933 | * Description: Freeze the adapter to complete quiesce processing | |
8934 | * | |
8935 | * Return value: | |
8936 | * IPR_RC_JOB_CONTINUE | |
8937 | **/ | |
8938 | static int ipr_reset_quiesce_done(struct ipr_cmnd *ipr_cmd) | |
8939 | { | |
8940 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
8941 | ||
8942 | ENTER; | |
8943 | ipr_cmd->job_step = ipr_ioa_bringdown_done; | |
8944 | ipr_mask_and_clear_interrupts(ioa_cfg, ~IPR_PCII_IOA_TRANS_TO_OPER); | |
8945 | LEAVE; | |
8946 | return IPR_RC_JOB_CONTINUE; | |
8947 | } | |
8948 | ||
8949 | /** | |
8950 | * ipr_reset_cancel_hcam_done - Check for outstanding commands | |
8951 | * @ipr_cmd: ipr command struct | |
8952 | * | |
8953 | * Description: Ensure nothing is outstanding to the IOA and | |
8954 | * proceed with IOA disconnect. Otherwise reset the IOA. | |
8955 | * | |
8956 | * Return value: | |
8957 | * IPR_RC_JOB_RETURN / IPR_RC_JOB_CONTINUE | |
8958 | **/ | |
8959 | static int ipr_reset_cancel_hcam_done(struct ipr_cmnd *ipr_cmd) | |
8960 | { | |
8961 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
8962 | struct ipr_cmnd *loop_cmd; | |
8963 | struct ipr_hrr_queue *hrrq; | |
8964 | int rc = IPR_RC_JOB_CONTINUE; | |
8965 | int count = 0; | |
8966 | ||
8967 | ENTER; | |
8968 | ipr_cmd->job_step = ipr_reset_quiesce_done; | |
8969 | ||
8970 | for_each_hrrq(hrrq, ioa_cfg) { | |
8971 | spin_lock(&hrrq->_lock); | |
8972 | list_for_each_entry(loop_cmd, &hrrq->hrrq_pending_q, queue) { | |
8973 | count++; | |
8974 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); | |
8975 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); | |
8976 | rc = IPR_RC_JOB_RETURN; | |
8977 | break; | |
8978 | } | |
8979 | spin_unlock(&hrrq->_lock); | |
8980 | ||
8981 | if (count) | |
8982 | break; | |
8983 | } | |
8984 | ||
8985 | LEAVE; | |
8986 | return rc; | |
8987 | } | |
8988 | ||
8989 | /** | |
8990 | * ipr_reset_cancel_hcam - Cancel outstanding HCAMs | |
8991 | * @ipr_cmd: ipr command struct | |
8992 | * | |
8993 | * Description: Cancel any oustanding HCAMs to the IOA. | |
8994 | * | |
8995 | * Return value: | |
8996 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
8997 | **/ | |
8998 | static int ipr_reset_cancel_hcam(struct ipr_cmnd *ipr_cmd) | |
8999 | { | |
9000 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
9001 | int rc = IPR_RC_JOB_CONTINUE; | |
9002 | struct ipr_cmd_pkt *cmd_pkt; | |
9003 | struct ipr_cmnd *hcam_cmd; | |
9004 | struct ipr_hrr_queue *hrrq = &ioa_cfg->hrrq[IPR_INIT_HRRQ]; | |
9005 | ||
9006 | ENTER; | |
9007 | ipr_cmd->job_step = ipr_reset_cancel_hcam_done; | |
9008 | ||
9009 | if (!hrrq->ioa_is_dead) { | |
9010 | if (!list_empty(&ioa_cfg->hostrcb_pending_q)) { | |
9011 | list_for_each_entry(hcam_cmd, &hrrq->hrrq_pending_q, queue) { | |
9012 | if (hcam_cmd->ioarcb.cmd_pkt.cdb[0] != IPR_HOST_CONTROLLED_ASYNC) | |
9013 | continue; | |
9014 | ||
9015 | ipr_cmd->ioarcb.res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE); | |
9016 | ipr_cmd->ioarcb.cmd_pkt.request_type = IPR_RQTYPE_IOACMD; | |
9017 | cmd_pkt = &ipr_cmd->ioarcb.cmd_pkt; | |
9018 | cmd_pkt->request_type = IPR_RQTYPE_IOACMD; | |
9019 | cmd_pkt->cdb[0] = IPR_CANCEL_REQUEST; | |
9020 | cmd_pkt->cdb[1] = IPR_CANCEL_64BIT_IOARCB; | |
9021 | cmd_pkt->cdb[10] = ((u64) hcam_cmd->dma_addr >> 56) & 0xff; | |
9022 | cmd_pkt->cdb[11] = ((u64) hcam_cmd->dma_addr >> 48) & 0xff; | |
9023 | cmd_pkt->cdb[12] = ((u64) hcam_cmd->dma_addr >> 40) & 0xff; | |
9024 | cmd_pkt->cdb[13] = ((u64) hcam_cmd->dma_addr >> 32) & 0xff; | |
9025 | cmd_pkt->cdb[2] = ((u64) hcam_cmd->dma_addr >> 24) & 0xff; | |
9026 | cmd_pkt->cdb[3] = ((u64) hcam_cmd->dma_addr >> 16) & 0xff; | |
9027 | cmd_pkt->cdb[4] = ((u64) hcam_cmd->dma_addr >> 8) & 0xff; | |
9028 | cmd_pkt->cdb[5] = ((u64) hcam_cmd->dma_addr) & 0xff; | |
9029 | ||
9030 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, | |
9031 | IPR_CANCEL_TIMEOUT); | |
9032 | ||
9033 | rc = IPR_RC_JOB_RETURN; | |
9034 | ipr_cmd->job_step = ipr_reset_cancel_hcam; | |
9035 | break; | |
9036 | } | |
9037 | } | |
9038 | } else | |
9039 | ipr_cmd->job_step = ipr_reset_alert; | |
9040 | ||
9041 | LEAVE; | |
9042 | return rc; | |
9043 | } | |
9044 | ||
1da177e4 LT |
9045 | /** |
9046 | * ipr_reset_ucode_download_done - Microcode download completion | |
9047 | * @ipr_cmd: ipr command struct | |
9048 | * | |
9049 | * Description: This function unmaps the microcode download buffer. | |
9050 | * | |
9051 | * Return value: | |
9052 | * IPR_RC_JOB_CONTINUE | |
9053 | **/ | |
9054 | static int ipr_reset_ucode_download_done(struct ipr_cmnd *ipr_cmd) | |
9055 | { | |
9056 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
9057 | struct ipr_sglist *sglist = ioa_cfg->ucode_sglist; | |
9058 | ||
d73341bf | 9059 | dma_unmap_sg(&ioa_cfg->pdev->dev, sglist->scatterlist, |
1da177e4 LT |
9060 | sglist->num_sg, DMA_TO_DEVICE); |
9061 | ||
9062 | ipr_cmd->job_step = ipr_reset_alert; | |
9063 | return IPR_RC_JOB_CONTINUE; | |
9064 | } | |
9065 | ||
9066 | /** | |
9067 | * ipr_reset_ucode_download - Download microcode to the adapter | |
9068 | * @ipr_cmd: ipr command struct | |
9069 | * | |
9070 | * Description: This function checks to see if it there is microcode | |
9071 | * to download to the adapter. If there is, a download is performed. | |
9072 | * | |
9073 | * Return value: | |
9074 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
9075 | **/ | |
9076 | static int ipr_reset_ucode_download(struct ipr_cmnd *ipr_cmd) | |
9077 | { | |
9078 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
9079 | struct ipr_sglist *sglist = ioa_cfg->ucode_sglist; | |
9080 | ||
9081 | ENTER; | |
9082 | ipr_cmd->job_step = ipr_reset_alert; | |
9083 | ||
9084 | if (!sglist) | |
9085 | return IPR_RC_JOB_CONTINUE; | |
9086 | ||
9087 | ipr_cmd->ioarcb.res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE); | |
9088 | ipr_cmd->ioarcb.cmd_pkt.request_type = IPR_RQTYPE_SCSICDB; | |
9089 | ipr_cmd->ioarcb.cmd_pkt.cdb[0] = WRITE_BUFFER; | |
9090 | ipr_cmd->ioarcb.cmd_pkt.cdb[1] = IPR_WR_BUF_DOWNLOAD_AND_SAVE; | |
9091 | ipr_cmd->ioarcb.cmd_pkt.cdb[6] = (sglist->buffer_len & 0xff0000) >> 16; | |
9092 | ipr_cmd->ioarcb.cmd_pkt.cdb[7] = (sglist->buffer_len & 0x00ff00) >> 8; | |
9093 | ipr_cmd->ioarcb.cmd_pkt.cdb[8] = sglist->buffer_len & 0x0000ff; | |
9094 | ||
a32c055f WB |
9095 | if (ioa_cfg->sis64) |
9096 | ipr_build_ucode_ioadl64(ipr_cmd, sglist); | |
9097 | else | |
9098 | ipr_build_ucode_ioadl(ipr_cmd, sglist); | |
1da177e4 LT |
9099 | ipr_cmd->job_step = ipr_reset_ucode_download_done; |
9100 | ||
9101 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, | |
9102 | IPR_WRITE_BUFFER_TIMEOUT); | |
9103 | ||
9104 | LEAVE; | |
9105 | return IPR_RC_JOB_RETURN; | |
9106 | } | |
9107 | ||
9108 | /** | |
9109 | * ipr_reset_shutdown_ioa - Shutdown the adapter | |
9110 | * @ipr_cmd: ipr command struct | |
9111 | * | |
9112 | * Description: This function issues an adapter shutdown of the | |
9113 | * specified type to the specified adapter as part of the | |
9114 | * adapter reset job. | |
9115 | * | |
9116 | * Return value: | |
9117 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
9118 | **/ | |
9119 | static int ipr_reset_shutdown_ioa(struct ipr_cmnd *ipr_cmd) | |
9120 | { | |
9121 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
9122 | enum ipr_shutdown_type shutdown_type = ipr_cmd->u.shutdown_type; | |
9123 | unsigned long timeout; | |
9124 | int rc = IPR_RC_JOB_CONTINUE; | |
9125 | ||
9126 | ENTER; | |
4fdd7c7a BK |
9127 | if (shutdown_type == IPR_SHUTDOWN_QUIESCE) |
9128 | ipr_cmd->job_step = ipr_reset_cancel_hcam; | |
9129 | else if (shutdown_type != IPR_SHUTDOWN_NONE && | |
56d6aa33 | 9130 | !ioa_cfg->hrrq[IPR_INIT_HRRQ].ioa_is_dead) { |
1da177e4 LT |
9131 | ipr_cmd->ioarcb.res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE); |
9132 | ipr_cmd->ioarcb.cmd_pkt.request_type = IPR_RQTYPE_IOACMD; | |
9133 | ipr_cmd->ioarcb.cmd_pkt.cdb[0] = IPR_IOA_SHUTDOWN; | |
9134 | ipr_cmd->ioarcb.cmd_pkt.cdb[1] = shutdown_type; | |
9135 | ||
ac09c349 BK |
9136 | if (shutdown_type == IPR_SHUTDOWN_NORMAL) |
9137 | timeout = IPR_SHUTDOWN_TIMEOUT; | |
1da177e4 LT |
9138 | else if (shutdown_type == IPR_SHUTDOWN_PREPARE_FOR_NORMAL) |
9139 | timeout = IPR_INTERNAL_TIMEOUT; | |
ac09c349 BK |
9140 | else if (ioa_cfg->dual_raid && ipr_dual_ioa_raid) |
9141 | timeout = IPR_DUAL_IOA_ABBR_SHUTDOWN_TO; | |
1da177e4 | 9142 | else |
ac09c349 | 9143 | timeout = IPR_ABBREV_SHUTDOWN_TIMEOUT; |
1da177e4 LT |
9144 | |
9145 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, timeout); | |
9146 | ||
9147 | rc = IPR_RC_JOB_RETURN; | |
9148 | ipr_cmd->job_step = ipr_reset_ucode_download; | |
9149 | } else | |
9150 | ipr_cmd->job_step = ipr_reset_alert; | |
9151 | ||
9152 | LEAVE; | |
9153 | return rc; | |
9154 | } | |
9155 | ||
9156 | /** | |
9157 | * ipr_reset_ioa_job - Adapter reset job | |
9158 | * @ipr_cmd: ipr command struct | |
9159 | * | |
9160 | * Description: This function is the job router for the adapter reset job. | |
9161 | * | |
9162 | * Return value: | |
9163 | * none | |
9164 | **/ | |
9165 | static void ipr_reset_ioa_job(struct ipr_cmnd *ipr_cmd) | |
9166 | { | |
9167 | u32 rc, ioasc; | |
1da177e4 LT |
9168 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; |
9169 | ||
9170 | do { | |
96d21f00 | 9171 | ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
1da177e4 LT |
9172 | |
9173 | if (ioa_cfg->reset_cmd != ipr_cmd) { | |
9174 | /* | |
9175 | * We are doing nested adapter resets and this is | |
9176 | * not the current reset job. | |
9177 | */ | |
05a6538a | 9178 | list_add_tail(&ipr_cmd->queue, |
9179 | &ipr_cmd->hrrq->hrrq_free_q); | |
1da177e4 LT |
9180 | return; |
9181 | } | |
9182 | ||
9183 | if (IPR_IOASC_SENSE_KEY(ioasc)) { | |
dfed823e BK |
9184 | rc = ipr_cmd->job_step_failed(ipr_cmd); |
9185 | if (rc == IPR_RC_JOB_RETURN) | |
9186 | return; | |
1da177e4 LT |
9187 | } |
9188 | ||
9189 | ipr_reinit_ipr_cmnd(ipr_cmd); | |
dfed823e | 9190 | ipr_cmd->job_step_failed = ipr_reset_cmd_failed; |
1da177e4 | 9191 | rc = ipr_cmd->job_step(ipr_cmd); |
203fa3fe | 9192 | } while (rc == IPR_RC_JOB_CONTINUE); |
1da177e4 LT |
9193 | } |
9194 | ||
9195 | /** | |
9196 | * _ipr_initiate_ioa_reset - Initiate an adapter reset | |
9197 | * @ioa_cfg: ioa config struct | |
9198 | * @job_step: first job step of reset job | |
9199 | * @shutdown_type: shutdown type | |
9200 | * | |
9201 | * Description: This function will initiate the reset of the given adapter | |
9202 | * starting at the selected job step. | |
9203 | * If the caller needs to wait on the completion of the reset, | |
9204 | * the caller must sleep on the reset_wait_q. | |
9205 | * | |
9206 | * Return value: | |
9207 | * none | |
9208 | **/ | |
9209 | static void _ipr_initiate_ioa_reset(struct ipr_ioa_cfg *ioa_cfg, | |
9210 | int (*job_step) (struct ipr_cmnd *), | |
9211 | enum ipr_shutdown_type shutdown_type) | |
9212 | { | |
9213 | struct ipr_cmnd *ipr_cmd; | |
56d6aa33 | 9214 | int i; |
1da177e4 LT |
9215 | |
9216 | ioa_cfg->in_reset_reload = 1; | |
56d6aa33 | 9217 | for (i = 0; i < ioa_cfg->hrrq_num; i++) { |
9218 | spin_lock(&ioa_cfg->hrrq[i]._lock); | |
9219 | ioa_cfg->hrrq[i].allow_cmds = 0; | |
9220 | spin_unlock(&ioa_cfg->hrrq[i]._lock); | |
9221 | } | |
9222 | wmb(); | |
b0e17a9b BK |
9223 | if (!ioa_cfg->hrrq[IPR_INIT_HRRQ].removing_ioa) { |
9224 | ioa_cfg->scsi_unblock = 0; | |
9225 | ioa_cfg->scsi_blocked = 1; | |
bfae7820 | 9226 | scsi_block_requests(ioa_cfg->host); |
b0e17a9b | 9227 | } |
1da177e4 LT |
9228 | |
9229 | ipr_cmd = ipr_get_free_ipr_cmnd(ioa_cfg); | |
9230 | ioa_cfg->reset_cmd = ipr_cmd; | |
9231 | ipr_cmd->job_step = job_step; | |
9232 | ipr_cmd->u.shutdown_type = shutdown_type; | |
9233 | ||
9234 | ipr_reset_ioa_job(ipr_cmd); | |
9235 | } | |
9236 | ||
9237 | /** | |
9238 | * ipr_initiate_ioa_reset - Initiate an adapter reset | |
9239 | * @ioa_cfg: ioa config struct | |
9240 | * @shutdown_type: shutdown type | |
9241 | * | |
9242 | * Description: This function will initiate the reset of the given adapter. | |
9243 | * If the caller needs to wait on the completion of the reset, | |
9244 | * the caller must sleep on the reset_wait_q. | |
9245 | * | |
9246 | * Return value: | |
9247 | * none | |
9248 | **/ | |
9249 | static void ipr_initiate_ioa_reset(struct ipr_ioa_cfg *ioa_cfg, | |
9250 | enum ipr_shutdown_type shutdown_type) | |
9251 | { | |
56d6aa33 | 9252 | int i; |
9253 | ||
9254 | if (ioa_cfg->hrrq[IPR_INIT_HRRQ].ioa_is_dead) | |
1da177e4 LT |
9255 | return; |
9256 | ||
41e9a696 BK |
9257 | if (ioa_cfg->in_reset_reload) { |
9258 | if (ioa_cfg->sdt_state == GET_DUMP) | |
9259 | ioa_cfg->sdt_state = WAIT_FOR_DUMP; | |
9260 | else if (ioa_cfg->sdt_state == READ_DUMP) | |
9261 | ioa_cfg->sdt_state = ABORT_DUMP; | |
9262 | } | |
1da177e4 LT |
9263 | |
9264 | if (ioa_cfg->reset_retries++ >= IPR_NUM_RESET_RELOAD_RETRIES) { | |
9265 | dev_err(&ioa_cfg->pdev->dev, | |
9266 | "IOA taken offline - error recovery failed\n"); | |
9267 | ||
9268 | ioa_cfg->reset_retries = 0; | |
56d6aa33 | 9269 | for (i = 0; i < ioa_cfg->hrrq_num; i++) { |
9270 | spin_lock(&ioa_cfg->hrrq[i]._lock); | |
9271 | ioa_cfg->hrrq[i].ioa_is_dead = 1; | |
9272 | spin_unlock(&ioa_cfg->hrrq[i]._lock); | |
9273 | } | |
9274 | wmb(); | |
1da177e4 LT |
9275 | |
9276 | if (ioa_cfg->in_ioa_bringdown) { | |
9277 | ioa_cfg->reset_cmd = NULL; | |
9278 | ioa_cfg->in_reset_reload = 0; | |
9279 | ipr_fail_all_ops(ioa_cfg); | |
9280 | wake_up_all(&ioa_cfg->reset_wait_q); | |
9281 | ||
bfae7820 | 9282 | if (!ioa_cfg->hrrq[IPR_INIT_HRRQ].removing_ioa) { |
b0e17a9b BK |
9283 | ioa_cfg->scsi_unblock = 1; |
9284 | schedule_work(&ioa_cfg->work_q); | |
bfae7820 | 9285 | } |
1da177e4 LT |
9286 | return; |
9287 | } else { | |
9288 | ioa_cfg->in_ioa_bringdown = 1; | |
9289 | shutdown_type = IPR_SHUTDOWN_NONE; | |
9290 | } | |
9291 | } | |
9292 | ||
9293 | _ipr_initiate_ioa_reset(ioa_cfg, ipr_reset_shutdown_ioa, | |
9294 | shutdown_type); | |
9295 | } | |
9296 | ||
f8a88b19 LV |
9297 | /** |
9298 | * ipr_reset_freeze - Hold off all I/O activity | |
9299 | * @ipr_cmd: ipr command struct | |
9300 | * | |
9301 | * Description: If the PCI slot is frozen, hold off all I/O | |
9302 | * activity; then, as soon as the slot is available again, | |
9303 | * initiate an adapter reset. | |
9304 | */ | |
9305 | static int ipr_reset_freeze(struct ipr_cmnd *ipr_cmd) | |
9306 | { | |
56d6aa33 | 9307 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; |
9308 | int i; | |
9309 | ||
f8a88b19 | 9310 | /* Disallow new interrupts, avoid loop */ |
56d6aa33 | 9311 | for (i = 0; i < ioa_cfg->hrrq_num; i++) { |
9312 | spin_lock(&ioa_cfg->hrrq[i]._lock); | |
9313 | ioa_cfg->hrrq[i].allow_interrupts = 0; | |
9314 | spin_unlock(&ioa_cfg->hrrq[i]._lock); | |
9315 | } | |
9316 | wmb(); | |
05a6538a | 9317 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_pending_q); |
f8a88b19 LV |
9318 | ipr_cmd->done = ipr_reset_ioa_job; |
9319 | return IPR_RC_JOB_RETURN; | |
9320 | } | |
9321 | ||
6270e593 BK |
9322 | /** |
9323 | * ipr_pci_mmio_enabled - Called when MMIO has been re-enabled | |
9324 | * @pdev: PCI device struct | |
9325 | * | |
9326 | * Description: This routine is called to tell us that the MMIO | |
9327 | * access to the IOA has been restored | |
9328 | */ | |
9329 | static pci_ers_result_t ipr_pci_mmio_enabled(struct pci_dev *pdev) | |
9330 | { | |
9331 | unsigned long flags = 0; | |
9332 | struct ipr_ioa_cfg *ioa_cfg = pci_get_drvdata(pdev); | |
9333 | ||
9334 | spin_lock_irqsave(ioa_cfg->host->host_lock, flags); | |
9335 | if (!ioa_cfg->probe_done) | |
9336 | pci_save_state(pdev); | |
9337 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); | |
9338 | return PCI_ERS_RESULT_NEED_RESET; | |
9339 | } | |
9340 | ||
f8a88b19 LV |
9341 | /** |
9342 | * ipr_pci_frozen - Called when slot has experienced a PCI bus error. | |
9343 | * @pdev: PCI device struct | |
9344 | * | |
9345 | * Description: This routine is called to tell us that the PCI bus | |
9346 | * is down. Can't do anything here, except put the device driver | |
9347 | * into a holding pattern, waiting for the PCI bus to come back. | |
9348 | */ | |
9349 | static void ipr_pci_frozen(struct pci_dev *pdev) | |
9350 | { | |
9351 | unsigned long flags = 0; | |
9352 | struct ipr_ioa_cfg *ioa_cfg = pci_get_drvdata(pdev); | |
9353 | ||
9354 | spin_lock_irqsave(ioa_cfg->host->host_lock, flags); | |
6270e593 BK |
9355 | if (ioa_cfg->probe_done) |
9356 | _ipr_initiate_ioa_reset(ioa_cfg, ipr_reset_freeze, IPR_SHUTDOWN_NONE); | |
f8a88b19 LV |
9357 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); |
9358 | } | |
9359 | ||
9360 | /** | |
9361 | * ipr_pci_slot_reset - Called when PCI slot has been reset. | |
9362 | * @pdev: PCI device struct | |
9363 | * | |
9364 | * Description: This routine is called by the pci error recovery | |
9365 | * code after the PCI slot has been reset, just before we | |
9366 | * should resume normal operations. | |
9367 | */ | |
9368 | static pci_ers_result_t ipr_pci_slot_reset(struct pci_dev *pdev) | |
9369 | { | |
9370 | unsigned long flags = 0; | |
9371 | struct ipr_ioa_cfg *ioa_cfg = pci_get_drvdata(pdev); | |
9372 | ||
9373 | spin_lock_irqsave(ioa_cfg->host->host_lock, flags); | |
6270e593 BK |
9374 | if (ioa_cfg->probe_done) { |
9375 | if (ioa_cfg->needs_warm_reset) | |
9376 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); | |
9377 | else | |
9378 | _ipr_initiate_ioa_reset(ioa_cfg, ipr_reset_restore_cfg_space, | |
9379 | IPR_SHUTDOWN_NONE); | |
9380 | } else | |
9381 | wake_up_all(&ioa_cfg->eeh_wait_q); | |
f8a88b19 LV |
9382 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); |
9383 | return PCI_ERS_RESULT_RECOVERED; | |
9384 | } | |
9385 | ||
9386 | /** | |
9387 | * ipr_pci_perm_failure - Called when PCI slot is dead for good. | |
9388 | * @pdev: PCI device struct | |
9389 | * | |
9390 | * Description: This routine is called when the PCI bus has | |
9391 | * permanently failed. | |
9392 | */ | |
9393 | static void ipr_pci_perm_failure(struct pci_dev *pdev) | |
9394 | { | |
9395 | unsigned long flags = 0; | |
9396 | struct ipr_ioa_cfg *ioa_cfg = pci_get_drvdata(pdev); | |
56d6aa33 | 9397 | int i; |
f8a88b19 LV |
9398 | |
9399 | spin_lock_irqsave(ioa_cfg->host->host_lock, flags); | |
6270e593 BK |
9400 | if (ioa_cfg->probe_done) { |
9401 | if (ioa_cfg->sdt_state == WAIT_FOR_DUMP) | |
9402 | ioa_cfg->sdt_state = ABORT_DUMP; | |
9403 | ioa_cfg->reset_retries = IPR_NUM_RESET_RELOAD_RETRIES - 1; | |
9404 | ioa_cfg->in_ioa_bringdown = 1; | |
9405 | for (i = 0; i < ioa_cfg->hrrq_num; i++) { | |
9406 | spin_lock(&ioa_cfg->hrrq[i]._lock); | |
9407 | ioa_cfg->hrrq[i].allow_cmds = 0; | |
9408 | spin_unlock(&ioa_cfg->hrrq[i]._lock); | |
9409 | } | |
9410 | wmb(); | |
9411 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); | |
9412 | } else | |
9413 | wake_up_all(&ioa_cfg->eeh_wait_q); | |
f8a88b19 LV |
9414 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); |
9415 | } | |
9416 | ||
9417 | /** | |
9418 | * ipr_pci_error_detected - Called when a PCI error is detected. | |
9419 | * @pdev: PCI device struct | |
9420 | * @state: PCI channel state | |
9421 | * | |
9422 | * Description: Called when a PCI error is detected. | |
9423 | * | |
9424 | * Return value: | |
9425 | * PCI_ERS_RESULT_NEED_RESET or PCI_ERS_RESULT_DISCONNECT | |
9426 | */ | |
9427 | static pci_ers_result_t ipr_pci_error_detected(struct pci_dev *pdev, | |
9428 | pci_channel_state_t state) | |
9429 | { | |
9430 | switch (state) { | |
9431 | case pci_channel_io_frozen: | |
9432 | ipr_pci_frozen(pdev); | |
6270e593 | 9433 | return PCI_ERS_RESULT_CAN_RECOVER; |
f8a88b19 LV |
9434 | case pci_channel_io_perm_failure: |
9435 | ipr_pci_perm_failure(pdev); | |
9436 | return PCI_ERS_RESULT_DISCONNECT; | |
9437 | break; | |
9438 | default: | |
9439 | break; | |
9440 | } | |
9441 | return PCI_ERS_RESULT_NEED_RESET; | |
9442 | } | |
9443 | ||
1da177e4 LT |
9444 | /** |
9445 | * ipr_probe_ioa_part2 - Initializes IOAs found in ipr_probe_ioa(..) | |
9446 | * @ioa_cfg: ioa cfg struct | |
9447 | * | |
183b8021 | 9448 | * Description: This is the second phase of adapter initialization |
1da177e4 LT |
9449 | * This function takes care of initilizing the adapter to the point |
9450 | * where it can accept new commands. | |
9451 | ||
9452 | * Return value: | |
b1c11812 | 9453 | * 0 on success / -EIO on failure |
1da177e4 | 9454 | **/ |
6f039790 | 9455 | static int ipr_probe_ioa_part2(struct ipr_ioa_cfg *ioa_cfg) |
1da177e4 LT |
9456 | { |
9457 | int rc = 0; | |
9458 | unsigned long host_lock_flags = 0; | |
9459 | ||
9460 | ENTER; | |
9461 | spin_lock_irqsave(ioa_cfg->host->host_lock, host_lock_flags); | |
9462 | dev_dbg(&ioa_cfg->pdev->dev, "ioa_cfg adx: 0x%p\n", ioa_cfg); | |
6270e593 | 9463 | ioa_cfg->probe_done = 1; |
ce155cce BK |
9464 | if (ioa_cfg->needs_hard_reset) { |
9465 | ioa_cfg->needs_hard_reset = 0; | |
9466 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); | |
9467 | } else | |
9468 | _ipr_initiate_ioa_reset(ioa_cfg, ipr_reset_enable_ioa, | |
9469 | IPR_SHUTDOWN_NONE); | |
1da177e4 | 9470 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, host_lock_flags); |
1da177e4 LT |
9471 | |
9472 | LEAVE; | |
9473 | return rc; | |
9474 | } | |
9475 | ||
9476 | /** | |
9477 | * ipr_free_cmd_blks - Frees command blocks allocated for an adapter | |
9478 | * @ioa_cfg: ioa config struct | |
9479 | * | |
9480 | * Return value: | |
9481 | * none | |
9482 | **/ | |
9483 | static void ipr_free_cmd_blks(struct ipr_ioa_cfg *ioa_cfg) | |
9484 | { | |
9485 | int i; | |
9486 | ||
a65e8f12 BK |
9487 | if (ioa_cfg->ipr_cmnd_list) { |
9488 | for (i = 0; i < IPR_NUM_CMD_BLKS; i++) { | |
9489 | if (ioa_cfg->ipr_cmnd_list[i]) | |
9490 | dma_pool_free(ioa_cfg->ipr_cmd_pool, | |
9491 | ioa_cfg->ipr_cmnd_list[i], | |
9492 | ioa_cfg->ipr_cmnd_list_dma[i]); | |
1da177e4 | 9493 | |
a65e8f12 BK |
9494 | ioa_cfg->ipr_cmnd_list[i] = NULL; |
9495 | } | |
1da177e4 LT |
9496 | } |
9497 | ||
9498 | if (ioa_cfg->ipr_cmd_pool) | |
d73341bf | 9499 | dma_pool_destroy(ioa_cfg->ipr_cmd_pool); |
1da177e4 | 9500 | |
89aad428 BK |
9501 | kfree(ioa_cfg->ipr_cmnd_list); |
9502 | kfree(ioa_cfg->ipr_cmnd_list_dma); | |
9503 | ioa_cfg->ipr_cmnd_list = NULL; | |
9504 | ioa_cfg->ipr_cmnd_list_dma = NULL; | |
1da177e4 LT |
9505 | ioa_cfg->ipr_cmd_pool = NULL; |
9506 | } | |
9507 | ||
9508 | /** | |
9509 | * ipr_free_mem - Frees memory allocated for an adapter | |
9510 | * @ioa_cfg: ioa cfg struct | |
9511 | * | |
9512 | * Return value: | |
9513 | * nothing | |
9514 | **/ | |
9515 | static void ipr_free_mem(struct ipr_ioa_cfg *ioa_cfg) | |
9516 | { | |
9517 | int i; | |
9518 | ||
9519 | kfree(ioa_cfg->res_entries); | |
d73341bf AB |
9520 | dma_free_coherent(&ioa_cfg->pdev->dev, sizeof(struct ipr_misc_cbs), |
9521 | ioa_cfg->vpd_cbs, ioa_cfg->vpd_cbs_dma); | |
1da177e4 | 9522 | ipr_free_cmd_blks(ioa_cfg); |
05a6538a | 9523 | |
9524 | for (i = 0; i < ioa_cfg->hrrq_num; i++) | |
d73341bf AB |
9525 | dma_free_coherent(&ioa_cfg->pdev->dev, |
9526 | sizeof(u32) * ioa_cfg->hrrq[i].size, | |
9527 | ioa_cfg->hrrq[i].host_rrq, | |
9528 | ioa_cfg->hrrq[i].host_rrq_dma); | |
05a6538a | 9529 | |
d73341bf AB |
9530 | dma_free_coherent(&ioa_cfg->pdev->dev, ioa_cfg->cfg_table_size, |
9531 | ioa_cfg->u.cfg_table, ioa_cfg->cfg_table_dma); | |
1da177e4 | 9532 | |
afc3f83c | 9533 | for (i = 0; i < IPR_MAX_HCAMS; i++) { |
d73341bf AB |
9534 | dma_free_coherent(&ioa_cfg->pdev->dev, |
9535 | sizeof(struct ipr_hostrcb), | |
9536 | ioa_cfg->hostrcb[i], | |
9537 | ioa_cfg->hostrcb_dma[i]); | |
1da177e4 LT |
9538 | } |
9539 | ||
9540 | ipr_free_dump(ioa_cfg); | |
1da177e4 LT |
9541 | kfree(ioa_cfg->trace); |
9542 | } | |
9543 | ||
9544 | /** | |
2796ca5e BK |
9545 | * ipr_free_irqs - Free all allocated IRQs for the adapter. |
9546 | * @ioa_cfg: ipr cfg struct | |
1da177e4 | 9547 | * |
2796ca5e | 9548 | * This function frees all allocated IRQs for the |
1da177e4 LT |
9549 | * specified adapter. |
9550 | * | |
9551 | * Return value: | |
9552 | * none | |
9553 | **/ | |
2796ca5e | 9554 | static void ipr_free_irqs(struct ipr_ioa_cfg *ioa_cfg) |
1da177e4 LT |
9555 | { |
9556 | struct pci_dev *pdev = ioa_cfg->pdev; | |
a299ee62 | 9557 | int i; |
1da177e4 | 9558 | |
a299ee62 CH |
9559 | for (i = 0; i < ioa_cfg->nvectors; i++) |
9560 | free_irq(pci_irq_vector(pdev, i), &ioa_cfg->hrrq[i]); | |
9561 | pci_free_irq_vectors(pdev); | |
2796ca5e | 9562 | } |
05a6538a | 9563 | |
2796ca5e BK |
9564 | /** |
9565 | * ipr_free_all_resources - Free all allocated resources for an adapter. | |
9566 | * @ipr_cmd: ipr command struct | |
9567 | * | |
9568 | * This function frees all allocated resources for the | |
9569 | * specified adapter. | |
9570 | * | |
9571 | * Return value: | |
9572 | * none | |
9573 | **/ | |
9574 | static void ipr_free_all_resources(struct ipr_ioa_cfg *ioa_cfg) | |
9575 | { | |
9576 | struct pci_dev *pdev = ioa_cfg->pdev; | |
05a6538a | 9577 | |
2796ca5e BK |
9578 | ENTER; |
9579 | ipr_free_irqs(ioa_cfg); | |
9580 | if (ioa_cfg->reset_work_q) | |
9581 | destroy_workqueue(ioa_cfg->reset_work_q); | |
1da177e4 LT |
9582 | iounmap(ioa_cfg->hdw_dma_regs); |
9583 | pci_release_regions(pdev); | |
9584 | ipr_free_mem(ioa_cfg); | |
9585 | scsi_host_put(ioa_cfg->host); | |
9586 | pci_disable_device(pdev); | |
9587 | LEAVE; | |
9588 | } | |
9589 | ||
9590 | /** | |
9591 | * ipr_alloc_cmd_blks - Allocate command blocks for an adapter | |
9592 | * @ioa_cfg: ioa config struct | |
9593 | * | |
9594 | * Return value: | |
9595 | * 0 on success / -ENOMEM on allocation failure | |
9596 | **/ | |
6f039790 | 9597 | static int ipr_alloc_cmd_blks(struct ipr_ioa_cfg *ioa_cfg) |
1da177e4 LT |
9598 | { |
9599 | struct ipr_cmnd *ipr_cmd; | |
9600 | struct ipr_ioarcb *ioarcb; | |
9601 | dma_addr_t dma_addr; | |
05a6538a | 9602 | int i, entries_each_hrrq, hrrq_id = 0; |
1da177e4 | 9603 | |
d73341bf | 9604 | ioa_cfg->ipr_cmd_pool = dma_pool_create(IPR_NAME, &ioa_cfg->pdev->dev, |
203fa3fe | 9605 | sizeof(struct ipr_cmnd), 512, 0); |
1da177e4 LT |
9606 | |
9607 | if (!ioa_cfg->ipr_cmd_pool) | |
9608 | return -ENOMEM; | |
9609 | ||
89aad428 BK |
9610 | ioa_cfg->ipr_cmnd_list = kcalloc(IPR_NUM_CMD_BLKS, sizeof(struct ipr_cmnd *), GFP_KERNEL); |
9611 | ioa_cfg->ipr_cmnd_list_dma = kcalloc(IPR_NUM_CMD_BLKS, sizeof(dma_addr_t), GFP_KERNEL); | |
9612 | ||
9613 | if (!ioa_cfg->ipr_cmnd_list || !ioa_cfg->ipr_cmnd_list_dma) { | |
9614 | ipr_free_cmd_blks(ioa_cfg); | |
9615 | return -ENOMEM; | |
9616 | } | |
9617 | ||
05a6538a | 9618 | for (i = 0; i < ioa_cfg->hrrq_num; i++) { |
9619 | if (ioa_cfg->hrrq_num > 1) { | |
9620 | if (i == 0) { | |
9621 | entries_each_hrrq = IPR_NUM_INTERNAL_CMD_BLKS; | |
9622 | ioa_cfg->hrrq[i].min_cmd_id = 0; | |
b82378e6 CIK |
9623 | ioa_cfg->hrrq[i].max_cmd_id = |
9624 | (entries_each_hrrq - 1); | |
05a6538a | 9625 | } else { |
9626 | entries_each_hrrq = | |
9627 | IPR_NUM_BASE_CMD_BLKS/ | |
9628 | (ioa_cfg->hrrq_num - 1); | |
9629 | ioa_cfg->hrrq[i].min_cmd_id = | |
9630 | IPR_NUM_INTERNAL_CMD_BLKS + | |
9631 | (i - 1) * entries_each_hrrq; | |
9632 | ioa_cfg->hrrq[i].max_cmd_id = | |
9633 | (IPR_NUM_INTERNAL_CMD_BLKS + | |
9634 | i * entries_each_hrrq - 1); | |
9635 | } | |
9636 | } else { | |
9637 | entries_each_hrrq = IPR_NUM_CMD_BLKS; | |
9638 | ioa_cfg->hrrq[i].min_cmd_id = 0; | |
9639 | ioa_cfg->hrrq[i].max_cmd_id = (entries_each_hrrq - 1); | |
9640 | } | |
9641 | ioa_cfg->hrrq[i].size = entries_each_hrrq; | |
9642 | } | |
9643 | ||
9644 | BUG_ON(ioa_cfg->hrrq_num == 0); | |
9645 | ||
9646 | i = IPR_NUM_CMD_BLKS - | |
9647 | ioa_cfg->hrrq[ioa_cfg->hrrq_num - 1].max_cmd_id - 1; | |
9648 | if (i > 0) { | |
9649 | ioa_cfg->hrrq[ioa_cfg->hrrq_num - 1].size += i; | |
9650 | ioa_cfg->hrrq[ioa_cfg->hrrq_num - 1].max_cmd_id += i; | |
9651 | } | |
9652 | ||
1da177e4 | 9653 | for (i = 0; i < IPR_NUM_CMD_BLKS; i++) { |
8b1bb6dc SJ |
9654 | ipr_cmd = dma_pool_zalloc(ioa_cfg->ipr_cmd_pool, |
9655 | GFP_KERNEL, &dma_addr); | |
1da177e4 LT |
9656 | |
9657 | if (!ipr_cmd) { | |
9658 | ipr_free_cmd_blks(ioa_cfg); | |
9659 | return -ENOMEM; | |
9660 | } | |
9661 | ||
1da177e4 LT |
9662 | ioa_cfg->ipr_cmnd_list[i] = ipr_cmd; |
9663 | ioa_cfg->ipr_cmnd_list_dma[i] = dma_addr; | |
9664 | ||
9665 | ioarcb = &ipr_cmd->ioarcb; | |
a32c055f WB |
9666 | ipr_cmd->dma_addr = dma_addr; |
9667 | if (ioa_cfg->sis64) | |
9668 | ioarcb->a.ioarcb_host_pci_addr64 = cpu_to_be64(dma_addr); | |
9669 | else | |
9670 | ioarcb->a.ioarcb_host_pci_addr = cpu_to_be32(dma_addr); | |
9671 | ||
1da177e4 | 9672 | ioarcb->host_response_handle = cpu_to_be32(i << 2); |
a32c055f WB |
9673 | if (ioa_cfg->sis64) { |
9674 | ioarcb->u.sis64_addr_data.data_ioadl_addr = | |
9675 | cpu_to_be64(dma_addr + offsetof(struct ipr_cmnd, i.ioadl64)); | |
9676 | ioarcb->u.sis64_addr_data.ioasa_host_pci_addr = | |
96d21f00 | 9677 | cpu_to_be64(dma_addr + offsetof(struct ipr_cmnd, s.ioasa64)); |
a32c055f WB |
9678 | } else { |
9679 | ioarcb->write_ioadl_addr = | |
9680 | cpu_to_be32(dma_addr + offsetof(struct ipr_cmnd, i.ioadl)); | |
9681 | ioarcb->read_ioadl_addr = ioarcb->write_ioadl_addr; | |
9682 | ioarcb->ioasa_host_pci_addr = | |
96d21f00 | 9683 | cpu_to_be32(dma_addr + offsetof(struct ipr_cmnd, s.ioasa)); |
a32c055f | 9684 | } |
1da177e4 LT |
9685 | ioarcb->ioasa_len = cpu_to_be16(sizeof(struct ipr_ioasa)); |
9686 | ipr_cmd->cmd_index = i; | |
9687 | ipr_cmd->ioa_cfg = ioa_cfg; | |
9688 | ipr_cmd->sense_buffer_dma = dma_addr + | |
9689 | offsetof(struct ipr_cmnd, sense_buffer); | |
9690 | ||
05a6538a | 9691 | ipr_cmd->ioarcb.cmd_pkt.hrrq_id = hrrq_id; |
9692 | ipr_cmd->hrrq = &ioa_cfg->hrrq[hrrq_id]; | |
9693 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); | |
9694 | if (i >= ioa_cfg->hrrq[hrrq_id].max_cmd_id) | |
9695 | hrrq_id++; | |
1da177e4 LT |
9696 | } |
9697 | ||
9698 | return 0; | |
9699 | } | |
9700 | ||
9701 | /** | |
9702 | * ipr_alloc_mem - Allocate memory for an adapter | |
9703 | * @ioa_cfg: ioa config struct | |
9704 | * | |
9705 | * Return value: | |
9706 | * 0 on success / non-zero for error | |
9707 | **/ | |
6f039790 | 9708 | static int ipr_alloc_mem(struct ipr_ioa_cfg *ioa_cfg) |
1da177e4 LT |
9709 | { |
9710 | struct pci_dev *pdev = ioa_cfg->pdev; | |
9711 | int i, rc = -ENOMEM; | |
9712 | ||
9713 | ENTER; | |
0bc42e35 | 9714 | ioa_cfg->res_entries = kzalloc(sizeof(struct ipr_resource_entry) * |
3e7ebdfa | 9715 | ioa_cfg->max_devs_supported, GFP_KERNEL); |
1da177e4 LT |
9716 | |
9717 | if (!ioa_cfg->res_entries) | |
9718 | goto out; | |
9719 | ||
3e7ebdfa | 9720 | for (i = 0; i < ioa_cfg->max_devs_supported; i++) { |
1da177e4 | 9721 | list_add_tail(&ioa_cfg->res_entries[i].queue, &ioa_cfg->free_res_q); |
3e7ebdfa WB |
9722 | ioa_cfg->res_entries[i].ioa_cfg = ioa_cfg; |
9723 | } | |
1da177e4 | 9724 | |
d73341bf AB |
9725 | ioa_cfg->vpd_cbs = dma_alloc_coherent(&pdev->dev, |
9726 | sizeof(struct ipr_misc_cbs), | |
9727 | &ioa_cfg->vpd_cbs_dma, | |
9728 | GFP_KERNEL); | |
1da177e4 LT |
9729 | |
9730 | if (!ioa_cfg->vpd_cbs) | |
9731 | goto out_free_res_entries; | |
9732 | ||
9733 | if (ipr_alloc_cmd_blks(ioa_cfg)) | |
9734 | goto out_free_vpd_cbs; | |
9735 | ||
05a6538a | 9736 | for (i = 0; i < ioa_cfg->hrrq_num; i++) { |
d73341bf | 9737 | ioa_cfg->hrrq[i].host_rrq = dma_alloc_coherent(&pdev->dev, |
05a6538a | 9738 | sizeof(u32) * ioa_cfg->hrrq[i].size, |
d73341bf AB |
9739 | &ioa_cfg->hrrq[i].host_rrq_dma, |
9740 | GFP_KERNEL); | |
05a6538a | 9741 | |
9742 | if (!ioa_cfg->hrrq[i].host_rrq) { | |
9743 | while (--i > 0) | |
d73341bf | 9744 | dma_free_coherent(&pdev->dev, |
05a6538a | 9745 | sizeof(u32) * ioa_cfg->hrrq[i].size, |
9746 | ioa_cfg->hrrq[i].host_rrq, | |
9747 | ioa_cfg->hrrq[i].host_rrq_dma); | |
9748 | goto out_ipr_free_cmd_blocks; | |
9749 | } | |
9750 | ioa_cfg->hrrq[i].ioa_cfg = ioa_cfg; | |
9751 | } | |
1da177e4 | 9752 | |
d73341bf AB |
9753 | ioa_cfg->u.cfg_table = dma_alloc_coherent(&pdev->dev, |
9754 | ioa_cfg->cfg_table_size, | |
9755 | &ioa_cfg->cfg_table_dma, | |
9756 | GFP_KERNEL); | |
1da177e4 | 9757 | |
3e7ebdfa | 9758 | if (!ioa_cfg->u.cfg_table) |
1da177e4 LT |
9759 | goto out_free_host_rrq; |
9760 | ||
afc3f83c | 9761 | for (i = 0; i < IPR_MAX_HCAMS; i++) { |
d73341bf AB |
9762 | ioa_cfg->hostrcb[i] = dma_alloc_coherent(&pdev->dev, |
9763 | sizeof(struct ipr_hostrcb), | |
9764 | &ioa_cfg->hostrcb_dma[i], | |
9765 | GFP_KERNEL); | |
1da177e4 LT |
9766 | |
9767 | if (!ioa_cfg->hostrcb[i]) | |
9768 | goto out_free_hostrcb_dma; | |
9769 | ||
9770 | ioa_cfg->hostrcb[i]->hostrcb_dma = | |
9771 | ioa_cfg->hostrcb_dma[i] + offsetof(struct ipr_hostrcb, hcam); | |
49dc6a18 | 9772 | ioa_cfg->hostrcb[i]->ioa_cfg = ioa_cfg; |
1da177e4 LT |
9773 | list_add_tail(&ioa_cfg->hostrcb[i]->queue, &ioa_cfg->hostrcb_free_q); |
9774 | } | |
9775 | ||
0bc42e35 | 9776 | ioa_cfg->trace = kzalloc(sizeof(struct ipr_trace_entry) * |
1da177e4 LT |
9777 | IPR_NUM_TRACE_ENTRIES, GFP_KERNEL); |
9778 | ||
9779 | if (!ioa_cfg->trace) | |
9780 | goto out_free_hostrcb_dma; | |
9781 | ||
1da177e4 LT |
9782 | rc = 0; |
9783 | out: | |
9784 | LEAVE; | |
9785 | return rc; | |
9786 | ||
9787 | out_free_hostrcb_dma: | |
9788 | while (i-- > 0) { | |
d73341bf AB |
9789 | dma_free_coherent(&pdev->dev, sizeof(struct ipr_hostrcb), |
9790 | ioa_cfg->hostrcb[i], | |
9791 | ioa_cfg->hostrcb_dma[i]); | |
1da177e4 | 9792 | } |
d73341bf AB |
9793 | dma_free_coherent(&pdev->dev, ioa_cfg->cfg_table_size, |
9794 | ioa_cfg->u.cfg_table, ioa_cfg->cfg_table_dma); | |
1da177e4 | 9795 | out_free_host_rrq: |
05a6538a | 9796 | for (i = 0; i < ioa_cfg->hrrq_num; i++) { |
d73341bf AB |
9797 | dma_free_coherent(&pdev->dev, |
9798 | sizeof(u32) * ioa_cfg->hrrq[i].size, | |
9799 | ioa_cfg->hrrq[i].host_rrq, | |
9800 | ioa_cfg->hrrq[i].host_rrq_dma); | |
05a6538a | 9801 | } |
1da177e4 LT |
9802 | out_ipr_free_cmd_blocks: |
9803 | ipr_free_cmd_blks(ioa_cfg); | |
9804 | out_free_vpd_cbs: | |
d73341bf AB |
9805 | dma_free_coherent(&pdev->dev, sizeof(struct ipr_misc_cbs), |
9806 | ioa_cfg->vpd_cbs, ioa_cfg->vpd_cbs_dma); | |
1da177e4 LT |
9807 | out_free_res_entries: |
9808 | kfree(ioa_cfg->res_entries); | |
9809 | goto out; | |
9810 | } | |
9811 | ||
9812 | /** | |
9813 | * ipr_initialize_bus_attr - Initialize SCSI bus attributes to default values | |
9814 | * @ioa_cfg: ioa config struct | |
9815 | * | |
9816 | * Return value: | |
9817 | * none | |
9818 | **/ | |
6f039790 | 9819 | static void ipr_initialize_bus_attr(struct ipr_ioa_cfg *ioa_cfg) |
1da177e4 LT |
9820 | { |
9821 | int i; | |
9822 | ||
9823 | for (i = 0; i < IPR_MAX_NUM_BUSES; i++) { | |
9824 | ioa_cfg->bus_attr[i].bus = i; | |
9825 | ioa_cfg->bus_attr[i].qas_enabled = 0; | |
9826 | ioa_cfg->bus_attr[i].bus_width = IPR_DEFAULT_BUS_WIDTH; | |
9827 | if (ipr_max_speed < ARRAY_SIZE(ipr_max_bus_speeds)) | |
9828 | ioa_cfg->bus_attr[i].max_xfer_rate = ipr_max_bus_speeds[ipr_max_speed]; | |
9829 | else | |
9830 | ioa_cfg->bus_attr[i].max_xfer_rate = IPR_U160_SCSI_RATE; | |
9831 | } | |
9832 | } | |
9833 | ||
6270e593 BK |
9834 | /** |
9835 | * ipr_init_regs - Initialize IOA registers | |
9836 | * @ioa_cfg: ioa config struct | |
9837 | * | |
9838 | * Return value: | |
9839 | * none | |
9840 | **/ | |
9841 | static void ipr_init_regs(struct ipr_ioa_cfg *ioa_cfg) | |
9842 | { | |
9843 | const struct ipr_interrupt_offsets *p; | |
9844 | struct ipr_interrupts *t; | |
9845 | void __iomem *base; | |
9846 | ||
9847 | p = &ioa_cfg->chip_cfg->regs; | |
9848 | t = &ioa_cfg->regs; | |
9849 | base = ioa_cfg->hdw_dma_regs; | |
9850 | ||
9851 | t->set_interrupt_mask_reg = base + p->set_interrupt_mask_reg; | |
9852 | t->clr_interrupt_mask_reg = base + p->clr_interrupt_mask_reg; | |
9853 | t->clr_interrupt_mask_reg32 = base + p->clr_interrupt_mask_reg32; | |
9854 | t->sense_interrupt_mask_reg = base + p->sense_interrupt_mask_reg; | |
9855 | t->sense_interrupt_mask_reg32 = base + p->sense_interrupt_mask_reg32; | |
9856 | t->clr_interrupt_reg = base + p->clr_interrupt_reg; | |
9857 | t->clr_interrupt_reg32 = base + p->clr_interrupt_reg32; | |
9858 | t->sense_interrupt_reg = base + p->sense_interrupt_reg; | |
9859 | t->sense_interrupt_reg32 = base + p->sense_interrupt_reg32; | |
9860 | t->ioarrin_reg = base + p->ioarrin_reg; | |
9861 | t->sense_uproc_interrupt_reg = base + p->sense_uproc_interrupt_reg; | |
9862 | t->sense_uproc_interrupt_reg32 = base + p->sense_uproc_interrupt_reg32; | |
9863 | t->set_uproc_interrupt_reg = base + p->set_uproc_interrupt_reg; | |
9864 | t->set_uproc_interrupt_reg32 = base + p->set_uproc_interrupt_reg32; | |
9865 | t->clr_uproc_interrupt_reg = base + p->clr_uproc_interrupt_reg; | |
9866 | t->clr_uproc_interrupt_reg32 = base + p->clr_uproc_interrupt_reg32; | |
9867 | ||
9868 | if (ioa_cfg->sis64) { | |
9869 | t->init_feedback_reg = base + p->init_feedback_reg; | |
9870 | t->dump_addr_reg = base + p->dump_addr_reg; | |
9871 | t->dump_data_reg = base + p->dump_data_reg; | |
9872 | t->endian_swap_reg = base + p->endian_swap_reg; | |
9873 | } | |
9874 | } | |
9875 | ||
1da177e4 LT |
9876 | /** |
9877 | * ipr_init_ioa_cfg - Initialize IOA config struct | |
9878 | * @ioa_cfg: ioa config struct | |
9879 | * @host: scsi host struct | |
9880 | * @pdev: PCI dev struct | |
9881 | * | |
9882 | * Return value: | |
9883 | * none | |
9884 | **/ | |
6f039790 GKH |
9885 | static void ipr_init_ioa_cfg(struct ipr_ioa_cfg *ioa_cfg, |
9886 | struct Scsi_Host *host, struct pci_dev *pdev) | |
1da177e4 | 9887 | { |
6270e593 | 9888 | int i; |
1da177e4 LT |
9889 | |
9890 | ioa_cfg->host = host; | |
9891 | ioa_cfg->pdev = pdev; | |
9892 | ioa_cfg->log_level = ipr_log_level; | |
3d1d0da6 | 9893 | ioa_cfg->doorbell = IPR_DOORBELL; |
1da177e4 LT |
9894 | sprintf(ioa_cfg->eye_catcher, IPR_EYECATCHER); |
9895 | sprintf(ioa_cfg->trace_start, IPR_TRACE_START_LABEL); | |
1da177e4 LT |
9896 | sprintf(ioa_cfg->cfg_table_start, IPR_CFG_TBL_START); |
9897 | sprintf(ioa_cfg->resource_table_label, IPR_RES_TABLE_LABEL); | |
9898 | sprintf(ioa_cfg->ipr_hcam_label, IPR_HCAM_LABEL); | |
9899 | sprintf(ioa_cfg->ipr_cmd_label, IPR_CMD_LABEL); | |
9900 | ||
1da177e4 LT |
9901 | INIT_LIST_HEAD(&ioa_cfg->hostrcb_free_q); |
9902 | INIT_LIST_HEAD(&ioa_cfg->hostrcb_pending_q); | |
afc3f83c | 9903 | INIT_LIST_HEAD(&ioa_cfg->hostrcb_report_q); |
1da177e4 LT |
9904 | INIT_LIST_HEAD(&ioa_cfg->free_res_q); |
9905 | INIT_LIST_HEAD(&ioa_cfg->used_res_q); | |
c4028958 | 9906 | INIT_WORK(&ioa_cfg->work_q, ipr_worker_thread); |
1da177e4 | 9907 | init_waitqueue_head(&ioa_cfg->reset_wait_q); |
95fecd90 | 9908 | init_waitqueue_head(&ioa_cfg->msi_wait_q); |
6270e593 | 9909 | init_waitqueue_head(&ioa_cfg->eeh_wait_q); |
1da177e4 LT |
9910 | ioa_cfg->sdt_state = INACTIVE; |
9911 | ||
9912 | ipr_initialize_bus_attr(ioa_cfg); | |
3e7ebdfa | 9913 | ioa_cfg->max_devs_supported = ipr_max_devs; |
1da177e4 | 9914 | |
3e7ebdfa WB |
9915 | if (ioa_cfg->sis64) { |
9916 | host->max_id = IPR_MAX_SIS64_TARGETS_PER_BUS; | |
9917 | host->max_lun = IPR_MAX_SIS64_LUNS_PER_TARGET; | |
9918 | if (ipr_max_devs > IPR_MAX_SIS64_DEVS) | |
9919 | ioa_cfg->max_devs_supported = IPR_MAX_SIS64_DEVS; | |
6270e593 BK |
9920 | ioa_cfg->cfg_table_size = (sizeof(struct ipr_config_table_hdr64) |
9921 | + ((sizeof(struct ipr_config_table_entry64) | |
9922 | * ioa_cfg->max_devs_supported))); | |
3e7ebdfa WB |
9923 | } else { |
9924 | host->max_id = IPR_MAX_NUM_TARGETS_PER_BUS; | |
9925 | host->max_lun = IPR_MAX_NUM_LUNS_PER_TARGET; | |
9926 | if (ipr_max_devs > IPR_MAX_PHYSICAL_DEVS) | |
9927 | ioa_cfg->max_devs_supported = IPR_MAX_PHYSICAL_DEVS; | |
6270e593 BK |
9928 | ioa_cfg->cfg_table_size = (sizeof(struct ipr_config_table_hdr) |
9929 | + ((sizeof(struct ipr_config_table_entry) | |
9930 | * ioa_cfg->max_devs_supported))); | |
3e7ebdfa | 9931 | } |
6270e593 | 9932 | |
f688f96d | 9933 | host->max_channel = IPR_VSET_BUS; |
1da177e4 LT |
9934 | host->unique_id = host->host_no; |
9935 | host->max_cmd_len = IPR_MAX_CDB_LEN; | |
89aad428 | 9936 | host->can_queue = ioa_cfg->max_cmds; |
1da177e4 LT |
9937 | pci_set_drvdata(pdev, ioa_cfg); |
9938 | ||
6270e593 BK |
9939 | for (i = 0; i < ARRAY_SIZE(ioa_cfg->hrrq); i++) { |
9940 | INIT_LIST_HEAD(&ioa_cfg->hrrq[i].hrrq_free_q); | |
9941 | INIT_LIST_HEAD(&ioa_cfg->hrrq[i].hrrq_pending_q); | |
9942 | spin_lock_init(&ioa_cfg->hrrq[i]._lock); | |
9943 | if (i == 0) | |
9944 | ioa_cfg->hrrq[i].lock = ioa_cfg->host->host_lock; | |
9945 | else | |
9946 | ioa_cfg->hrrq[i].lock = &ioa_cfg->hrrq[i]._lock; | |
dcbad00e | 9947 | } |
1da177e4 LT |
9948 | } |
9949 | ||
9950 | /** | |
1be7bd82 | 9951 | * ipr_get_chip_info - Find adapter chip information |
1da177e4 LT |
9952 | * @dev_id: PCI device id struct |
9953 | * | |
9954 | * Return value: | |
1be7bd82 | 9955 | * ptr to chip information on success / NULL on failure |
1da177e4 | 9956 | **/ |
6f039790 | 9957 | static const struct ipr_chip_t * |
1be7bd82 | 9958 | ipr_get_chip_info(const struct pci_device_id *dev_id) |
1da177e4 LT |
9959 | { |
9960 | int i; | |
9961 | ||
1da177e4 LT |
9962 | for (i = 0; i < ARRAY_SIZE(ipr_chip); i++) |
9963 | if (ipr_chip[i].vendor == dev_id->vendor && | |
9964 | ipr_chip[i].device == dev_id->device) | |
1be7bd82 | 9965 | return &ipr_chip[i]; |
1da177e4 LT |
9966 | return NULL; |
9967 | } | |
9968 | ||
6270e593 BK |
9969 | /** |
9970 | * ipr_wait_for_pci_err_recovery - Wait for any PCI error recovery to complete | |
9971 | * during probe time | |
9972 | * @ioa_cfg: ioa config struct | |
9973 | * | |
9974 | * Return value: | |
9975 | * None | |
9976 | **/ | |
9977 | static void ipr_wait_for_pci_err_recovery(struct ipr_ioa_cfg *ioa_cfg) | |
9978 | { | |
9979 | struct pci_dev *pdev = ioa_cfg->pdev; | |
9980 | ||
9981 | if (pci_channel_offline(pdev)) { | |
9982 | wait_event_timeout(ioa_cfg->eeh_wait_q, | |
9983 | !pci_channel_offline(pdev), | |
9984 | IPR_PCI_ERROR_RECOVERY_TIMEOUT); | |
9985 | pci_restore_state(pdev); | |
9986 | } | |
9987 | } | |
9988 | ||
05a6538a | 9989 | static void name_msi_vectors(struct ipr_ioa_cfg *ioa_cfg) |
9990 | { | |
9991 | int vec_idx, n = sizeof(ioa_cfg->vectors_info[0].desc) - 1; | |
9992 | ||
9993 | for (vec_idx = 0; vec_idx < ioa_cfg->nvectors; vec_idx++) { | |
9994 | snprintf(ioa_cfg->vectors_info[vec_idx].desc, n, | |
9995 | "host%d-%d", ioa_cfg->host->host_no, vec_idx); | |
9996 | ioa_cfg->vectors_info[vec_idx]. | |
9997 | desc[strlen(ioa_cfg->vectors_info[vec_idx].desc)] = 0; | |
9998 | } | |
9999 | } | |
10000 | ||
a299ee62 CH |
10001 | static int ipr_request_other_msi_irqs(struct ipr_ioa_cfg *ioa_cfg, |
10002 | struct pci_dev *pdev) | |
05a6538a | 10003 | { |
10004 | int i, rc; | |
10005 | ||
10006 | for (i = 1; i < ioa_cfg->nvectors; i++) { | |
a299ee62 | 10007 | rc = request_irq(pci_irq_vector(pdev, i), |
05a6538a | 10008 | ipr_isr_mhrrq, |
10009 | 0, | |
10010 | ioa_cfg->vectors_info[i].desc, | |
10011 | &ioa_cfg->hrrq[i]); | |
10012 | if (rc) { | |
10013 | while (--i >= 0) | |
a299ee62 | 10014 | free_irq(pci_irq_vector(pdev, i), |
05a6538a | 10015 | &ioa_cfg->hrrq[i]); |
10016 | return rc; | |
10017 | } | |
10018 | } | |
10019 | return 0; | |
10020 | } | |
10021 | ||
95fecd90 WB |
10022 | /** |
10023 | * ipr_test_intr - Handle the interrupt generated in ipr_test_msi(). | |
10024 | * @pdev: PCI device struct | |
10025 | * | |
10026 | * Description: Simply set the msi_received flag to 1 indicating that | |
10027 | * Message Signaled Interrupts are supported. | |
10028 | * | |
10029 | * Return value: | |
10030 | * 0 on success / non-zero on failure | |
10031 | **/ | |
6f039790 | 10032 | static irqreturn_t ipr_test_intr(int irq, void *devp) |
95fecd90 WB |
10033 | { |
10034 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)devp; | |
10035 | unsigned long lock_flags = 0; | |
10036 | irqreturn_t rc = IRQ_HANDLED; | |
10037 | ||
05a6538a | 10038 | dev_info(&ioa_cfg->pdev->dev, "Received IRQ : %d\n", irq); |
95fecd90 WB |
10039 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); |
10040 | ||
10041 | ioa_cfg->msi_received = 1; | |
10042 | wake_up(&ioa_cfg->msi_wait_q); | |
10043 | ||
10044 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
10045 | return rc; | |
10046 | } | |
10047 | ||
10048 | /** | |
10049 | * ipr_test_msi - Test for Message Signaled Interrupt (MSI) support. | |
10050 | * @pdev: PCI device struct | |
10051 | * | |
a299ee62 | 10052 | * Description: This routine sets up and initiates a test interrupt to determine |
95fecd90 WB |
10053 | * if the interrupt is received via the ipr_test_intr() service routine. |
10054 | * If the tests fails, the driver will fall back to LSI. | |
10055 | * | |
10056 | * Return value: | |
10057 | * 0 on success / non-zero on failure | |
10058 | **/ | |
6f039790 | 10059 | static int ipr_test_msi(struct ipr_ioa_cfg *ioa_cfg, struct pci_dev *pdev) |
95fecd90 WB |
10060 | { |
10061 | int rc; | |
10062 | volatile u32 int_reg; | |
10063 | unsigned long lock_flags = 0; | |
a299ee62 | 10064 | int irq = pci_irq_vector(pdev, 0); |
95fecd90 WB |
10065 | |
10066 | ENTER; | |
10067 | ||
10068 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
10069 | init_waitqueue_head(&ioa_cfg->msi_wait_q); | |
10070 | ioa_cfg->msi_received = 0; | |
10071 | ipr_mask_and_clear_interrupts(ioa_cfg, ~IPR_PCII_IOA_TRANS_TO_OPER); | |
214777ba | 10072 | writel(IPR_PCII_IO_DEBUG_ACKNOWLEDGE, ioa_cfg->regs.clr_interrupt_mask_reg32); |
95fecd90 WB |
10073 | int_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg); |
10074 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
10075 | ||
a299ee62 | 10076 | rc = request_irq(irq, ipr_test_intr, 0, IPR_NAME, ioa_cfg); |
95fecd90 | 10077 | if (rc) { |
a299ee62 | 10078 | dev_err(&pdev->dev, "Can not assign irq %d\n", irq); |
95fecd90 WB |
10079 | return rc; |
10080 | } else if (ipr_debug) | |
a299ee62 | 10081 | dev_info(&pdev->dev, "IRQ assigned: %d\n", irq); |
95fecd90 | 10082 | |
214777ba | 10083 | writel(IPR_PCII_IO_DEBUG_ACKNOWLEDGE, ioa_cfg->regs.sense_interrupt_reg32); |
95fecd90 WB |
10084 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg); |
10085 | wait_event_timeout(ioa_cfg->msi_wait_q, ioa_cfg->msi_received, HZ); | |
56d6aa33 | 10086 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); |
95fecd90 WB |
10087 | ipr_mask_and_clear_interrupts(ioa_cfg, ~IPR_PCII_IOA_TRANS_TO_OPER); |
10088 | ||
95fecd90 WB |
10089 | if (!ioa_cfg->msi_received) { |
10090 | /* MSI test failed */ | |
10091 | dev_info(&pdev->dev, "MSI test failed. Falling back to LSI.\n"); | |
10092 | rc = -EOPNOTSUPP; | |
10093 | } else if (ipr_debug) | |
10094 | dev_info(&pdev->dev, "MSI test succeeded.\n"); | |
10095 | ||
10096 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
10097 | ||
a299ee62 | 10098 | free_irq(irq, ioa_cfg); |
95fecd90 WB |
10099 | |
10100 | LEAVE; | |
10101 | ||
10102 | return rc; | |
10103 | } | |
10104 | ||
05a6538a | 10105 | /* ipr_probe_ioa - Allocates memory and does first stage of initialization |
1da177e4 LT |
10106 | * @pdev: PCI device struct |
10107 | * @dev_id: PCI device id struct | |
10108 | * | |
10109 | * Return value: | |
10110 | * 0 on success / non-zero on failure | |
10111 | **/ | |
6f039790 GKH |
10112 | static int ipr_probe_ioa(struct pci_dev *pdev, |
10113 | const struct pci_device_id *dev_id) | |
1da177e4 LT |
10114 | { |
10115 | struct ipr_ioa_cfg *ioa_cfg; | |
10116 | struct Scsi_Host *host; | |
10117 | unsigned long ipr_regs_pci; | |
10118 | void __iomem *ipr_regs; | |
a2a65a3e | 10119 | int rc = PCIBIOS_SUCCESSFUL; |
473b1e8e | 10120 | volatile u32 mask, uproc, interrupts; |
feccada9 | 10121 | unsigned long lock_flags, driver_lock_flags; |
a299ee62 | 10122 | unsigned int irq_flag; |
1da177e4 LT |
10123 | |
10124 | ENTER; | |
10125 | ||
1da177e4 | 10126 | dev_info(&pdev->dev, "Found IOA with IRQ: %d\n", pdev->irq); |
1da177e4 LT |
10127 | host = scsi_host_alloc(&driver_template, sizeof(*ioa_cfg)); |
10128 | ||
10129 | if (!host) { | |
10130 | dev_err(&pdev->dev, "call to scsi_host_alloc failed!\n"); | |
10131 | rc = -ENOMEM; | |
6270e593 | 10132 | goto out; |
1da177e4 LT |
10133 | } |
10134 | ||
10135 | ioa_cfg = (struct ipr_ioa_cfg *)host->hostdata; | |
10136 | memset(ioa_cfg, 0, sizeof(struct ipr_ioa_cfg)); | |
8d8e7d13 | 10137 | ata_host_init(&ioa_cfg->ata_host, &pdev->dev, &ipr_sata_ops); |
1da177e4 | 10138 | |
1be7bd82 | 10139 | ioa_cfg->ipr_chip = ipr_get_chip_info(dev_id); |
1da177e4 | 10140 | |
1be7bd82 | 10141 | if (!ioa_cfg->ipr_chip) { |
1da177e4 LT |
10142 | dev_err(&pdev->dev, "Unknown adapter chipset 0x%04X 0x%04X\n", |
10143 | dev_id->vendor, dev_id->device); | |
10144 | goto out_scsi_host_put; | |
10145 | } | |
10146 | ||
a32c055f WB |
10147 | /* set SIS 32 or SIS 64 */ |
10148 | ioa_cfg->sis64 = ioa_cfg->ipr_chip->sis_type == IPR_SIS64 ? 1 : 0; | |
1be7bd82 | 10149 | ioa_cfg->chip_cfg = ioa_cfg->ipr_chip->cfg; |
7dd21308 | 10150 | ioa_cfg->clear_isr = ioa_cfg->chip_cfg->clear_isr; |
89aad428 | 10151 | ioa_cfg->max_cmds = ioa_cfg->chip_cfg->max_cmds; |
1be7bd82 | 10152 | |
5469cb5b BK |
10153 | if (ipr_transop_timeout) |
10154 | ioa_cfg->transop_timeout = ipr_transop_timeout; | |
10155 | else if (dev_id->driver_data & IPR_USE_LONG_TRANSOP_TIMEOUT) | |
10156 | ioa_cfg->transop_timeout = IPR_LONG_OPERATIONAL_TIMEOUT; | |
10157 | else | |
10158 | ioa_cfg->transop_timeout = IPR_OPERATIONAL_TIMEOUT; | |
10159 | ||
44c10138 | 10160 | ioa_cfg->revid = pdev->revision; |
463fc696 | 10161 | |
6270e593 BK |
10162 | ipr_init_ioa_cfg(ioa_cfg, host, pdev); |
10163 | ||
1da177e4 LT |
10164 | ipr_regs_pci = pci_resource_start(pdev, 0); |
10165 | ||
10166 | rc = pci_request_regions(pdev, IPR_NAME); | |
10167 | if (rc < 0) { | |
10168 | dev_err(&pdev->dev, | |
10169 | "Couldn't register memory range of registers\n"); | |
10170 | goto out_scsi_host_put; | |
10171 | } | |
10172 | ||
6270e593 BK |
10173 | rc = pci_enable_device(pdev); |
10174 | ||
10175 | if (rc || pci_channel_offline(pdev)) { | |
10176 | if (pci_channel_offline(pdev)) { | |
10177 | ipr_wait_for_pci_err_recovery(ioa_cfg); | |
10178 | rc = pci_enable_device(pdev); | |
10179 | } | |
10180 | ||
10181 | if (rc) { | |
10182 | dev_err(&pdev->dev, "Cannot enable adapter\n"); | |
10183 | ipr_wait_for_pci_err_recovery(ioa_cfg); | |
10184 | goto out_release_regions; | |
10185 | } | |
10186 | } | |
10187 | ||
25729a7f | 10188 | ipr_regs = pci_ioremap_bar(pdev, 0); |
1da177e4 LT |
10189 | |
10190 | if (!ipr_regs) { | |
10191 | dev_err(&pdev->dev, | |
10192 | "Couldn't map memory range of registers\n"); | |
10193 | rc = -ENOMEM; | |
6270e593 | 10194 | goto out_disable; |
1da177e4 LT |
10195 | } |
10196 | ||
10197 | ioa_cfg->hdw_dma_regs = ipr_regs; | |
10198 | ioa_cfg->hdw_dma_regs_pci = ipr_regs_pci; | |
10199 | ioa_cfg->ioa_mailbox = ioa_cfg->chip_cfg->mailbox + ipr_regs; | |
10200 | ||
6270e593 | 10201 | ipr_init_regs(ioa_cfg); |
1da177e4 | 10202 | |
a32c055f | 10203 | if (ioa_cfg->sis64) { |
869404cb | 10204 | rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); |
a32c055f | 10205 | if (rc < 0) { |
869404cb AB |
10206 | dev_dbg(&pdev->dev, "Failed to set 64 bit DMA mask\n"); |
10207 | rc = dma_set_mask_and_coherent(&pdev->dev, | |
10208 | DMA_BIT_MASK(32)); | |
a32c055f | 10209 | } |
a32c055f | 10210 | } else |
869404cb | 10211 | rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); |
a32c055f | 10212 | |
1da177e4 | 10213 | if (rc < 0) { |
869404cb | 10214 | dev_err(&pdev->dev, "Failed to set DMA mask\n"); |
1da177e4 LT |
10215 | goto cleanup_nomem; |
10216 | } | |
10217 | ||
10218 | rc = pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, | |
10219 | ioa_cfg->chip_cfg->cache_line_size); | |
10220 | ||
10221 | if (rc != PCIBIOS_SUCCESSFUL) { | |
10222 | dev_err(&pdev->dev, "Write of cache line size failed\n"); | |
6270e593 | 10223 | ipr_wait_for_pci_err_recovery(ioa_cfg); |
1da177e4 LT |
10224 | rc = -EIO; |
10225 | goto cleanup_nomem; | |
10226 | } | |
10227 | ||
6270e593 BK |
10228 | /* Issue MMIO read to ensure card is not in EEH */ |
10229 | interrupts = readl(ioa_cfg->regs.sense_interrupt_reg); | |
10230 | ipr_wait_for_pci_err_recovery(ioa_cfg); | |
10231 | ||
05a6538a | 10232 | if (ipr_number_of_msix > IPR_MAX_MSIX_VECTORS) { |
10233 | dev_err(&pdev->dev, "The max number of MSIX is %d\n", | |
10234 | IPR_MAX_MSIX_VECTORS); | |
10235 | ipr_number_of_msix = IPR_MAX_MSIX_VECTORS; | |
10236 | } | |
10237 | ||
a299ee62 CH |
10238 | irq_flag = PCI_IRQ_LEGACY; |
10239 | if (ioa_cfg->ipr_chip->has_msi) | |
10240 | irq_flag |= PCI_IRQ_MSI | PCI_IRQ_MSIX; | |
10241 | rc = pci_alloc_irq_vectors(pdev, 1, ipr_number_of_msix, irq_flag); | |
10242 | if (rc < 0) { | |
10243 | ipr_wait_for_pci_err_recovery(ioa_cfg); | |
10244 | goto cleanup_nomem; | |
05a6538a | 10245 | } |
a299ee62 CH |
10246 | ioa_cfg->nvectors = rc; |
10247 | ||
10248 | if (!pdev->msi_enabled && !pdev->msix_enabled) | |
10249 | ioa_cfg->clear_isr = 1; | |
05a6538a | 10250 | |
6270e593 BK |
10251 | pci_set_master(pdev); |
10252 | ||
10253 | if (pci_channel_offline(pdev)) { | |
10254 | ipr_wait_for_pci_err_recovery(ioa_cfg); | |
10255 | pci_set_master(pdev); | |
10256 | if (pci_channel_offline(pdev)) { | |
10257 | rc = -EIO; | |
10258 | goto out_msi_disable; | |
10259 | } | |
10260 | } | |
10261 | ||
a299ee62 | 10262 | if (pdev->msi_enabled || pdev->msix_enabled) { |
95fecd90 | 10263 | rc = ipr_test_msi(ioa_cfg, pdev); |
a299ee62 CH |
10264 | switch (rc) { |
10265 | case 0: | |
10266 | dev_info(&pdev->dev, | |
10267 | "Request for %d MSI%ss succeeded.", ioa_cfg->nvectors, | |
10268 | pdev->msix_enabled ? "-X" : ""); | |
10269 | break; | |
10270 | case -EOPNOTSUPP: | |
6270e593 | 10271 | ipr_wait_for_pci_err_recovery(ioa_cfg); |
a299ee62 | 10272 | pci_free_irq_vectors(pdev); |
05a6538a | 10273 | |
05a6538a | 10274 | ioa_cfg->nvectors = 1; |
9dadfb97 | 10275 | ioa_cfg->clear_isr = 1; |
a299ee62 CH |
10276 | break; |
10277 | default: | |
95fecd90 | 10278 | goto out_msi_disable; |
05a6538a | 10279 | } |
10280 | } | |
10281 | ||
10282 | ioa_cfg->hrrq_num = min3(ioa_cfg->nvectors, | |
10283 | (unsigned int)num_online_cpus(), | |
10284 | (unsigned int)IPR_MAX_HRRQ_NUM); | |
95fecd90 | 10285 | |
1da177e4 | 10286 | if ((rc = ipr_save_pcix_cmd_reg(ioa_cfg))) |
f170c684 | 10287 | goto out_msi_disable; |
1da177e4 LT |
10288 | |
10289 | if ((rc = ipr_set_pcix_cmd_reg(ioa_cfg))) | |
f170c684 | 10290 | goto out_msi_disable; |
1da177e4 LT |
10291 | |
10292 | rc = ipr_alloc_mem(ioa_cfg); | |
10293 | if (rc < 0) { | |
10294 | dev_err(&pdev->dev, | |
10295 | "Couldn't allocate enough memory for device driver!\n"); | |
f170c684 | 10296 | goto out_msi_disable; |
1da177e4 LT |
10297 | } |
10298 | ||
6270e593 BK |
10299 | /* Save away PCI config space for use following IOA reset */ |
10300 | rc = pci_save_state(pdev); | |
10301 | ||
10302 | if (rc != PCIBIOS_SUCCESSFUL) { | |
10303 | dev_err(&pdev->dev, "Failed to save PCI config space\n"); | |
10304 | rc = -EIO; | |
10305 | goto cleanup_nolog; | |
10306 | } | |
10307 | ||
ce155cce BK |
10308 | /* |
10309 | * If HRRQ updated interrupt is not masked, or reset alert is set, | |
10310 | * the card is in an unknown state and needs a hard reset | |
10311 | */ | |
214777ba WB |
10312 | mask = readl(ioa_cfg->regs.sense_interrupt_mask_reg32); |
10313 | interrupts = readl(ioa_cfg->regs.sense_interrupt_reg32); | |
10314 | uproc = readl(ioa_cfg->regs.sense_uproc_interrupt_reg32); | |
ce155cce BK |
10315 | if ((mask & IPR_PCII_HRRQ_UPDATED) == 0 || (uproc & IPR_UPROCI_RESET_ALERT)) |
10316 | ioa_cfg->needs_hard_reset = 1; | |
5d7c20b7 | 10317 | if ((interrupts & IPR_PCII_ERROR_INTERRUPTS) || reset_devices) |
473b1e8e BK |
10318 | ioa_cfg->needs_hard_reset = 1; |
10319 | if (interrupts & IPR_PCII_IOA_UNIT_CHECKED) | |
10320 | ioa_cfg->ioa_unit_checked = 1; | |
ce155cce | 10321 | |
56d6aa33 | 10322 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); |
1da177e4 | 10323 | ipr_mask_and_clear_interrupts(ioa_cfg, ~IPR_PCII_IOA_TRANS_TO_OPER); |
56d6aa33 | 10324 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
1da177e4 | 10325 | |
a299ee62 | 10326 | if (pdev->msi_enabled || pdev->msix_enabled) { |
05a6538a | 10327 | name_msi_vectors(ioa_cfg); |
a299ee62 | 10328 | rc = request_irq(pci_irq_vector(pdev, 0), ipr_isr, 0, |
05a6538a | 10329 | ioa_cfg->vectors_info[0].desc, |
10330 | &ioa_cfg->hrrq[0]); | |
10331 | if (!rc) | |
a299ee62 | 10332 | rc = ipr_request_other_msi_irqs(ioa_cfg, pdev); |
05a6538a | 10333 | } else { |
10334 | rc = request_irq(pdev->irq, ipr_isr, | |
10335 | IRQF_SHARED, | |
10336 | IPR_NAME, &ioa_cfg->hrrq[0]); | |
10337 | } | |
1da177e4 LT |
10338 | if (rc) { |
10339 | dev_err(&pdev->dev, "Couldn't register IRQ %d! rc=%d\n", | |
10340 | pdev->irq, rc); | |
10341 | goto cleanup_nolog; | |
10342 | } | |
10343 | ||
463fc696 BK |
10344 | if ((dev_id->driver_data & IPR_USE_PCI_WARM_RESET) || |
10345 | (dev_id->device == PCI_DEVICE_ID_IBM_OBSIDIAN_E && !ioa_cfg->revid)) { | |
10346 | ioa_cfg->needs_warm_reset = 1; | |
10347 | ioa_cfg->reset = ipr_reset_slot_reset; | |
2796ca5e BK |
10348 | |
10349 | ioa_cfg->reset_work_q = alloc_ordered_workqueue("ipr_reset_%d", | |
10350 | WQ_MEM_RECLAIM, host->host_no); | |
10351 | ||
10352 | if (!ioa_cfg->reset_work_q) { | |
10353 | dev_err(&pdev->dev, "Couldn't register reset workqueue\n"); | |
c8e18acc | 10354 | rc = -ENOMEM; |
2796ca5e BK |
10355 | goto out_free_irq; |
10356 | } | |
463fc696 BK |
10357 | } else |
10358 | ioa_cfg->reset = ipr_reset_start_bist; | |
10359 | ||
feccada9 | 10360 | spin_lock_irqsave(&ipr_driver_lock, driver_lock_flags); |
1da177e4 | 10361 | list_add_tail(&ioa_cfg->queue, &ipr_ioa_head); |
feccada9 | 10362 | spin_unlock_irqrestore(&ipr_driver_lock, driver_lock_flags); |
1da177e4 LT |
10363 | |
10364 | LEAVE; | |
10365 | out: | |
10366 | return rc; | |
10367 | ||
2796ca5e BK |
10368 | out_free_irq: |
10369 | ipr_free_irqs(ioa_cfg); | |
1da177e4 LT |
10370 | cleanup_nolog: |
10371 | ipr_free_mem(ioa_cfg); | |
95fecd90 | 10372 | out_msi_disable: |
6270e593 | 10373 | ipr_wait_for_pci_err_recovery(ioa_cfg); |
a299ee62 | 10374 | pci_free_irq_vectors(pdev); |
f170c684 JL |
10375 | cleanup_nomem: |
10376 | iounmap(ipr_regs); | |
6270e593 BK |
10377 | out_disable: |
10378 | pci_disable_device(pdev); | |
1da177e4 LT |
10379 | out_release_regions: |
10380 | pci_release_regions(pdev); | |
10381 | out_scsi_host_put: | |
10382 | scsi_host_put(host); | |
1da177e4 LT |
10383 | goto out; |
10384 | } | |
10385 | ||
1da177e4 LT |
10386 | /** |
10387 | * ipr_initiate_ioa_bringdown - Bring down an adapter | |
10388 | * @ioa_cfg: ioa config struct | |
10389 | * @shutdown_type: shutdown type | |
10390 | * | |
10391 | * Description: This function will initiate bringing down the adapter. | |
10392 | * This consists of issuing an IOA shutdown to the adapter | |
10393 | * to flush the cache, and running BIST. | |
10394 | * If the caller needs to wait on the completion of the reset, | |
10395 | * the caller must sleep on the reset_wait_q. | |
10396 | * | |
10397 | * Return value: | |
10398 | * none | |
10399 | **/ | |
10400 | static void ipr_initiate_ioa_bringdown(struct ipr_ioa_cfg *ioa_cfg, | |
10401 | enum ipr_shutdown_type shutdown_type) | |
10402 | { | |
10403 | ENTER; | |
10404 | if (ioa_cfg->sdt_state == WAIT_FOR_DUMP) | |
10405 | ioa_cfg->sdt_state = ABORT_DUMP; | |
10406 | ioa_cfg->reset_retries = 0; | |
10407 | ioa_cfg->in_ioa_bringdown = 1; | |
10408 | ipr_initiate_ioa_reset(ioa_cfg, shutdown_type); | |
10409 | LEAVE; | |
10410 | } | |
10411 | ||
10412 | /** | |
10413 | * __ipr_remove - Remove a single adapter | |
10414 | * @pdev: pci device struct | |
10415 | * | |
10416 | * Adapter hot plug remove entry point. | |
10417 | * | |
10418 | * Return value: | |
10419 | * none | |
10420 | **/ | |
10421 | static void __ipr_remove(struct pci_dev *pdev) | |
10422 | { | |
10423 | unsigned long host_lock_flags = 0; | |
10424 | struct ipr_ioa_cfg *ioa_cfg = pci_get_drvdata(pdev); | |
bfae7820 | 10425 | int i; |
feccada9 | 10426 | unsigned long driver_lock_flags; |
1da177e4 LT |
10427 | ENTER; |
10428 | ||
10429 | spin_lock_irqsave(ioa_cfg->host->host_lock, host_lock_flags); | |
203fa3fe | 10430 | while (ioa_cfg->in_reset_reload) { |
970ea294 BK |
10431 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, host_lock_flags); |
10432 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
10433 | spin_lock_irqsave(ioa_cfg->host->host_lock, host_lock_flags); | |
10434 | } | |
10435 | ||
bfae7820 BK |
10436 | for (i = 0; i < ioa_cfg->hrrq_num; i++) { |
10437 | spin_lock(&ioa_cfg->hrrq[i]._lock); | |
10438 | ioa_cfg->hrrq[i].removing_ioa = 1; | |
10439 | spin_unlock(&ioa_cfg->hrrq[i]._lock); | |
10440 | } | |
10441 | wmb(); | |
1da177e4 LT |
10442 | ipr_initiate_ioa_bringdown(ioa_cfg, IPR_SHUTDOWN_NORMAL); |
10443 | ||
10444 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, host_lock_flags); | |
10445 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
43829731 | 10446 | flush_work(&ioa_cfg->work_q); |
2796ca5e BK |
10447 | if (ioa_cfg->reset_work_q) |
10448 | flush_workqueue(ioa_cfg->reset_work_q); | |
9077a944 | 10449 | INIT_LIST_HEAD(&ioa_cfg->used_res_q); |
1da177e4 LT |
10450 | spin_lock_irqsave(ioa_cfg->host->host_lock, host_lock_flags); |
10451 | ||
feccada9 | 10452 | spin_lock_irqsave(&ipr_driver_lock, driver_lock_flags); |
1da177e4 | 10453 | list_del(&ioa_cfg->queue); |
feccada9 | 10454 | spin_unlock_irqrestore(&ipr_driver_lock, driver_lock_flags); |
1da177e4 LT |
10455 | |
10456 | if (ioa_cfg->sdt_state == ABORT_DUMP) | |
10457 | ioa_cfg->sdt_state = WAIT_FOR_DUMP; | |
10458 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, host_lock_flags); | |
10459 | ||
10460 | ipr_free_all_resources(ioa_cfg); | |
10461 | ||
10462 | LEAVE; | |
10463 | } | |
10464 | ||
10465 | /** | |
10466 | * ipr_remove - IOA hot plug remove entry point | |
10467 | * @pdev: pci device struct | |
10468 | * | |
10469 | * Adapter hot plug remove entry point. | |
10470 | * | |
10471 | * Return value: | |
10472 | * none | |
10473 | **/ | |
6f039790 | 10474 | static void ipr_remove(struct pci_dev *pdev) |
1da177e4 LT |
10475 | { |
10476 | struct ipr_ioa_cfg *ioa_cfg = pci_get_drvdata(pdev); | |
10477 | ||
10478 | ENTER; | |
10479 | ||
ee959b00 | 10480 | ipr_remove_trace_file(&ioa_cfg->host->shost_dev.kobj, |
1da177e4 | 10481 | &ipr_trace_attr); |
ee959b00 | 10482 | ipr_remove_dump_file(&ioa_cfg->host->shost_dev.kobj, |
1da177e4 | 10483 | &ipr_dump_attr); |
afc3f83c BK |
10484 | sysfs_remove_bin_file(&ioa_cfg->host->shost_dev.kobj, |
10485 | &ipr_ioa_async_err_log); | |
1da177e4 LT |
10486 | scsi_remove_host(ioa_cfg->host); |
10487 | ||
10488 | __ipr_remove(pdev); | |
10489 | ||
10490 | LEAVE; | |
10491 | } | |
10492 | ||
10493 | /** | |
10494 | * ipr_probe - Adapter hot plug add entry point | |
10495 | * | |
10496 | * Return value: | |
10497 | * 0 on success / non-zero on failure | |
10498 | **/ | |
6f039790 | 10499 | static int ipr_probe(struct pci_dev *pdev, const struct pci_device_id *dev_id) |
1da177e4 LT |
10500 | { |
10501 | struct ipr_ioa_cfg *ioa_cfg; | |
b195d5e2 | 10502 | unsigned long flags; |
b53d124a | 10503 | int rc, i; |
1da177e4 LT |
10504 | |
10505 | rc = ipr_probe_ioa(pdev, dev_id); | |
10506 | ||
10507 | if (rc) | |
10508 | return rc; | |
10509 | ||
10510 | ioa_cfg = pci_get_drvdata(pdev); | |
10511 | rc = ipr_probe_ioa_part2(ioa_cfg); | |
10512 | ||
10513 | if (rc) { | |
10514 | __ipr_remove(pdev); | |
10515 | return rc; | |
10516 | } | |
10517 | ||
10518 | rc = scsi_add_host(ioa_cfg->host, &pdev->dev); | |
10519 | ||
10520 | if (rc) { | |
10521 | __ipr_remove(pdev); | |
10522 | return rc; | |
10523 | } | |
10524 | ||
ee959b00 | 10525 | rc = ipr_create_trace_file(&ioa_cfg->host->shost_dev.kobj, |
1da177e4 LT |
10526 | &ipr_trace_attr); |
10527 | ||
10528 | if (rc) { | |
10529 | scsi_remove_host(ioa_cfg->host); | |
10530 | __ipr_remove(pdev); | |
10531 | return rc; | |
10532 | } | |
10533 | ||
afc3f83c BK |
10534 | rc = sysfs_create_bin_file(&ioa_cfg->host->shost_dev.kobj, |
10535 | &ipr_ioa_async_err_log); | |
10536 | ||
10537 | if (rc) { | |
10538 | ipr_remove_dump_file(&ioa_cfg->host->shost_dev.kobj, | |
10539 | &ipr_dump_attr); | |
10540 | ipr_remove_trace_file(&ioa_cfg->host->shost_dev.kobj, | |
10541 | &ipr_trace_attr); | |
10542 | scsi_remove_host(ioa_cfg->host); | |
10543 | __ipr_remove(pdev); | |
10544 | return rc; | |
10545 | } | |
10546 | ||
ee959b00 | 10547 | rc = ipr_create_dump_file(&ioa_cfg->host->shost_dev.kobj, |
1da177e4 LT |
10548 | &ipr_dump_attr); |
10549 | ||
10550 | if (rc) { | |
afc3f83c BK |
10551 | sysfs_remove_bin_file(&ioa_cfg->host->shost_dev.kobj, |
10552 | &ipr_ioa_async_err_log); | |
ee959b00 | 10553 | ipr_remove_trace_file(&ioa_cfg->host->shost_dev.kobj, |
1da177e4 LT |
10554 | &ipr_trace_attr); |
10555 | scsi_remove_host(ioa_cfg->host); | |
10556 | __ipr_remove(pdev); | |
10557 | return rc; | |
10558 | } | |
a3d1ddd9 BK |
10559 | spin_lock_irqsave(ioa_cfg->host->host_lock, flags); |
10560 | ioa_cfg->scan_enabled = 1; | |
10561 | schedule_work(&ioa_cfg->work_q); | |
10562 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); | |
1da177e4 | 10563 | |
b53d124a | 10564 | ioa_cfg->iopoll_weight = ioa_cfg->chip_cfg->iopoll_weight; |
10565 | ||
89f8b33c | 10566 | if (ioa_cfg->iopoll_weight && ioa_cfg->sis64 && ioa_cfg->nvectors > 1) { |
b53d124a | 10567 | for (i = 1; i < ioa_cfg->hrrq_num; i++) { |
511cbce2 | 10568 | irq_poll_init(&ioa_cfg->hrrq[i].iopoll, |
b53d124a | 10569 | ioa_cfg->iopoll_weight, ipr_iopoll); |
b53d124a | 10570 | } |
10571 | } | |
10572 | ||
a3d1ddd9 BK |
10573 | scsi_scan_host(ioa_cfg->host); |
10574 | ||
1da177e4 LT |
10575 | return 0; |
10576 | } | |
10577 | ||
10578 | /** | |
10579 | * ipr_shutdown - Shutdown handler. | |
d18c3db5 | 10580 | * @pdev: pci device struct |
1da177e4 LT |
10581 | * |
10582 | * This function is invoked upon system shutdown/reboot. It will issue | |
10583 | * an adapter shutdown to the adapter to flush the write cache. | |
10584 | * | |
10585 | * Return value: | |
10586 | * none | |
10587 | **/ | |
d18c3db5 | 10588 | static void ipr_shutdown(struct pci_dev *pdev) |
1da177e4 | 10589 | { |
d18c3db5 | 10590 | struct ipr_ioa_cfg *ioa_cfg = pci_get_drvdata(pdev); |
1da177e4 | 10591 | unsigned long lock_flags = 0; |
4fdd7c7a | 10592 | enum ipr_shutdown_type shutdown_type = IPR_SHUTDOWN_NORMAL; |
b53d124a | 10593 | int i; |
1da177e4 LT |
10594 | |
10595 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
89f8b33c | 10596 | if (ioa_cfg->iopoll_weight && ioa_cfg->sis64 && ioa_cfg->nvectors > 1) { |
b53d124a | 10597 | ioa_cfg->iopoll_weight = 0; |
10598 | for (i = 1; i < ioa_cfg->hrrq_num; i++) | |
511cbce2 | 10599 | irq_poll_disable(&ioa_cfg->hrrq[i].iopoll); |
b53d124a | 10600 | } |
10601 | ||
203fa3fe | 10602 | while (ioa_cfg->in_reset_reload) { |
970ea294 BK |
10603 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
10604 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
10605 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
10606 | } | |
10607 | ||
4fdd7c7a BK |
10608 | if (ipr_fast_reboot && system_state == SYSTEM_RESTART && ioa_cfg->sis64) |
10609 | shutdown_type = IPR_SHUTDOWN_QUIESCE; | |
10610 | ||
10611 | ipr_initiate_ioa_bringdown(ioa_cfg, shutdown_type); | |
1da177e4 LT |
10612 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
10613 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
4fdd7c7a | 10614 | if (ipr_fast_reboot && system_state == SYSTEM_RESTART && ioa_cfg->sis64) { |
2796ca5e | 10615 | ipr_free_irqs(ioa_cfg); |
4fdd7c7a BK |
10616 | pci_disable_device(ioa_cfg->pdev); |
10617 | } | |
1da177e4 LT |
10618 | } |
10619 | ||
6f039790 | 10620 | static struct pci_device_id ipr_pci_table[] = { |
1da177e4 | 10621 | { PCI_VENDOR_ID_MYLEX, PCI_DEVICE_ID_IBM_GEMSTONE, |
6d84c944 | 10622 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_5702, 0, 0, 0 }, |
1da177e4 | 10623 | { PCI_VENDOR_ID_MYLEX, PCI_DEVICE_ID_IBM_GEMSTONE, |
6d84c944 | 10624 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_5703, 0, 0, 0 }, |
1da177e4 | 10625 | { PCI_VENDOR_ID_MYLEX, PCI_DEVICE_ID_IBM_GEMSTONE, |
6d84c944 | 10626 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_573D, 0, 0, 0 }, |
1da177e4 | 10627 | { PCI_VENDOR_ID_MYLEX, PCI_DEVICE_ID_IBM_GEMSTONE, |
6d84c944 | 10628 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_573E, 0, 0, 0 }, |
1da177e4 | 10629 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CITRINE, |
6d84c944 | 10630 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_571B, 0, 0, 0 }, |
1da177e4 | 10631 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CITRINE, |
6d84c944 | 10632 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572E, 0, 0, 0 }, |
1da177e4 | 10633 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CITRINE, |
6d84c944 | 10634 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_571A, 0, 0, 0 }, |
86f51436 | 10635 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CITRINE, |
5469cb5b BK |
10636 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_575B, 0, 0, |
10637 | IPR_USE_LONG_TRANSOP_TIMEOUT }, | |
86f51436 | 10638 | { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN, |
6d84c944 | 10639 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572A, 0, 0, 0 }, |
86f51436 | 10640 | { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN, |
22d2e402 BK |
10641 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572B, 0, 0, |
10642 | IPR_USE_LONG_TRANSOP_TIMEOUT }, | |
60e7486b | 10643 | { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN, |
5469cb5b BK |
10644 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_575C, 0, 0, |
10645 | IPR_USE_LONG_TRANSOP_TIMEOUT }, | |
86f51436 | 10646 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN, |
6d84c944 | 10647 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572A, 0, 0, 0 }, |
86f51436 | 10648 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN, |
22d2e402 BK |
10649 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572B, 0, 0, |
10650 | IPR_USE_LONG_TRANSOP_TIMEOUT}, | |
60e7486b | 10651 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN, |
5469cb5b BK |
10652 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_575C, 0, 0, |
10653 | IPR_USE_LONG_TRANSOP_TIMEOUT }, | |
185eb31c | 10654 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E, |
22d2e402 BK |
10655 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_574E, 0, 0, |
10656 | IPR_USE_LONG_TRANSOP_TIMEOUT }, | |
185eb31c BK |
10657 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E, |
10658 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B3, 0, 0, 0 }, | |
b0f56d3d WB |
10659 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E, |
10660 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57CC, 0, 0, 0 }, | |
60e7486b | 10661 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E, |
5469cb5b | 10662 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B7, 0, 0, |
463fc696 | 10663 | IPR_USE_LONG_TRANSOP_TIMEOUT | IPR_USE_PCI_WARM_RESET }, |
1da177e4 | 10664 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_SNIPE, |
6d84c944 | 10665 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_2780, 0, 0, 0 }, |
1da177e4 | 10666 | { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP, |
6d84c944 | 10667 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_571E, 0, 0, 0 }, |
86f51436 | 10668 | { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP, |
5469cb5b BK |
10669 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_571F, 0, 0, |
10670 | IPR_USE_LONG_TRANSOP_TIMEOUT }, | |
60e7486b | 10671 | { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP, |
5469cb5b BK |
10672 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572F, 0, 0, |
10673 | IPR_USE_LONG_TRANSOP_TIMEOUT }, | |
d7b4627f WB |
10674 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_FPGA_E2, |
10675 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B5, 0, 0, 0 }, | |
10676 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_FPGA_E2, | |
10677 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_574D, 0, 0, 0 }, | |
10678 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_FPGA_E2, | |
10679 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B2, 0, 0, 0 }, | |
b8d5d568 | 10680 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_FPGA_E2, |
10681 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57C0, 0, 0, 0 }, | |
5a918353 WB |
10682 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_FPGA_E2, |
10683 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57C3, 0, 0, 0 }, | |
32622bde WB |
10684 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_FPGA_E2, |
10685 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57C4, 0, 0, 0 }, | |
cd9b3d04 | 10686 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, |
d7b4627f | 10687 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B4, 0, 0, 0 }, |
cd9b3d04 | 10688 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, |
d7b4627f | 10689 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B1, 0, 0, 0 }, |
cd9b3d04 | 10690 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, |
d7b4627f | 10691 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57C6, 0, 0, 0 }, |
cd9b3d04 WB |
10692 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, |
10693 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57C8, 0, 0, 0 }, | |
10694 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, | |
d7b4627f | 10695 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57CE, 0, 0, 0 }, |
b8d5d568 | 10696 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, |
10697 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57D5, 0, 0, 0 }, | |
10698 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, | |
10699 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57D6, 0, 0, 0 }, | |
10700 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, | |
10701 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57D7, 0, 0, 0 }, | |
10702 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, | |
10703 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57D8, 0, 0, 0 }, | |
43c5fdaf | 10704 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, |
10705 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57D9, 0, 0, 0 }, | |
10706 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, | |
f94d9964 WX |
10707 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57DA, 0, 0, 0 }, |
10708 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, | |
43c5fdaf | 10709 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57EB, 0, 0, 0 }, |
10710 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, | |
10711 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57EC, 0, 0, 0 }, | |
10712 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, | |
10713 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57ED, 0, 0, 0 }, | |
10714 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, | |
10715 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57EE, 0, 0, 0 }, | |
10716 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, | |
10717 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57EF, 0, 0, 0 }, | |
10718 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, | |
10719 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57F0, 0, 0, 0 }, | |
5eeac3e9 WX |
10720 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, |
10721 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_2CCA, 0, 0, 0 }, | |
10722 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, | |
10723 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_2CD2, 0, 0, 0 }, | |
10724 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, | |
10725 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_2CCD, 0, 0, 0 }, | |
00da9ffa WX |
10726 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_RATTLESNAKE, |
10727 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_580A, 0, 0, 0 }, | |
10728 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_RATTLESNAKE, | |
10729 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_580B, 0, 0, 0 }, | |
1da177e4 LT |
10730 | { } |
10731 | }; | |
10732 | MODULE_DEVICE_TABLE(pci, ipr_pci_table); | |
10733 | ||
a55b2d21 | 10734 | static const struct pci_error_handlers ipr_err_handler = { |
f8a88b19 | 10735 | .error_detected = ipr_pci_error_detected, |
6270e593 | 10736 | .mmio_enabled = ipr_pci_mmio_enabled, |
f8a88b19 LV |
10737 | .slot_reset = ipr_pci_slot_reset, |
10738 | }; | |
10739 | ||
1da177e4 LT |
10740 | static struct pci_driver ipr_driver = { |
10741 | .name = IPR_NAME, | |
10742 | .id_table = ipr_pci_table, | |
10743 | .probe = ipr_probe, | |
6f039790 | 10744 | .remove = ipr_remove, |
d18c3db5 | 10745 | .shutdown = ipr_shutdown, |
f8a88b19 | 10746 | .err_handler = &ipr_err_handler, |
1da177e4 LT |
10747 | }; |
10748 | ||
f72919ec WB |
10749 | /** |
10750 | * ipr_halt_done - Shutdown prepare completion | |
10751 | * | |
10752 | * Return value: | |
10753 | * none | |
10754 | **/ | |
10755 | static void ipr_halt_done(struct ipr_cmnd *ipr_cmd) | |
10756 | { | |
05a6538a | 10757 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
f72919ec WB |
10758 | } |
10759 | ||
10760 | /** | |
10761 | * ipr_halt - Issue shutdown prepare to all adapters | |
10762 | * | |
10763 | * Return value: | |
10764 | * NOTIFY_OK on success / NOTIFY_DONE on failure | |
10765 | **/ | |
10766 | static int ipr_halt(struct notifier_block *nb, ulong event, void *buf) | |
10767 | { | |
10768 | struct ipr_cmnd *ipr_cmd; | |
10769 | struct ipr_ioa_cfg *ioa_cfg; | |
feccada9 | 10770 | unsigned long flags = 0, driver_lock_flags; |
f72919ec WB |
10771 | |
10772 | if (event != SYS_RESTART && event != SYS_HALT && event != SYS_POWER_OFF) | |
10773 | return NOTIFY_DONE; | |
10774 | ||
feccada9 | 10775 | spin_lock_irqsave(&ipr_driver_lock, driver_lock_flags); |
f72919ec WB |
10776 | |
10777 | list_for_each_entry(ioa_cfg, &ipr_ioa_head, queue) { | |
10778 | spin_lock_irqsave(ioa_cfg->host->host_lock, flags); | |
4fdd7c7a BK |
10779 | if (!ioa_cfg->hrrq[IPR_INIT_HRRQ].allow_cmds || |
10780 | (ipr_fast_reboot && event == SYS_RESTART && ioa_cfg->sis64)) { | |
f72919ec WB |
10781 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); |
10782 | continue; | |
10783 | } | |
10784 | ||
10785 | ipr_cmd = ipr_get_free_ipr_cmnd(ioa_cfg); | |
10786 | ipr_cmd->ioarcb.res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE); | |
10787 | ipr_cmd->ioarcb.cmd_pkt.request_type = IPR_RQTYPE_IOACMD; | |
10788 | ipr_cmd->ioarcb.cmd_pkt.cdb[0] = IPR_IOA_SHUTDOWN; | |
10789 | ipr_cmd->ioarcb.cmd_pkt.cdb[1] = IPR_SHUTDOWN_PREPARE_FOR_NORMAL; | |
10790 | ||
10791 | ipr_do_req(ipr_cmd, ipr_halt_done, ipr_timeout, IPR_DEVICE_RESET_TIMEOUT); | |
10792 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); | |
10793 | } | |
feccada9 | 10794 | spin_unlock_irqrestore(&ipr_driver_lock, driver_lock_flags); |
f72919ec WB |
10795 | |
10796 | return NOTIFY_OK; | |
10797 | } | |
10798 | ||
10799 | static struct notifier_block ipr_notifier = { | |
10800 | ipr_halt, NULL, 0 | |
10801 | }; | |
10802 | ||
1da177e4 LT |
10803 | /** |
10804 | * ipr_init - Module entry point | |
10805 | * | |
10806 | * Return value: | |
10807 | * 0 on success / negative value on failure | |
10808 | **/ | |
10809 | static int __init ipr_init(void) | |
10810 | { | |
10811 | ipr_info("IBM Power RAID SCSI Device Driver version: %s %s\n", | |
10812 | IPR_DRIVER_VERSION, IPR_DRIVER_DATE); | |
10813 | ||
f72919ec | 10814 | register_reboot_notifier(&ipr_notifier); |
dcbccbde | 10815 | return pci_register_driver(&ipr_driver); |
1da177e4 LT |
10816 | } |
10817 | ||
10818 | /** | |
10819 | * ipr_exit - Module unload | |
10820 | * | |
10821 | * Module unload entry point. | |
10822 | * | |
10823 | * Return value: | |
10824 | * none | |
10825 | **/ | |
10826 | static void __exit ipr_exit(void) | |
10827 | { | |
f72919ec | 10828 | unregister_reboot_notifier(&ipr_notifier); |
1da177e4 LT |
10829 | pci_unregister_driver(&ipr_driver); |
10830 | } | |
10831 | ||
10832 | module_init(ipr_init); | |
10833 | module_exit(ipr_exit); |