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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; |
05a6538a | 101 | static unsigned int ipr_number_of_msix = 2; |
1da177e4 LT |
102 | static DEFINE_SPINLOCK(ipr_driver_lock); |
103 | ||
104 | /* This table describes the differences between DMA controller chips */ | |
105 | static const struct ipr_chip_cfg_t ipr_chip_cfg[] = { | |
60e7486b | 106 | { /* Gemstone, Citrine, Obsidian, and Obsidian-E */ |
1da177e4 | 107 | .mailbox = 0x0042C, |
89aad428 | 108 | .max_cmds = 100, |
1da177e4 | 109 | .cache_line_size = 0x20, |
7dd21308 | 110 | .clear_isr = 1, |
b53d124a | 111 | .iopoll_weight = 0, |
1da177e4 LT |
112 | { |
113 | .set_interrupt_mask_reg = 0x0022C, | |
114 | .clr_interrupt_mask_reg = 0x00230, | |
214777ba | 115 | .clr_interrupt_mask_reg32 = 0x00230, |
1da177e4 | 116 | .sense_interrupt_mask_reg = 0x0022C, |
214777ba | 117 | .sense_interrupt_mask_reg32 = 0x0022C, |
1da177e4 | 118 | .clr_interrupt_reg = 0x00228, |
214777ba | 119 | .clr_interrupt_reg32 = 0x00228, |
1da177e4 | 120 | .sense_interrupt_reg = 0x00224, |
214777ba | 121 | .sense_interrupt_reg32 = 0x00224, |
1da177e4 LT |
122 | .ioarrin_reg = 0x00404, |
123 | .sense_uproc_interrupt_reg = 0x00214, | |
214777ba | 124 | .sense_uproc_interrupt_reg32 = 0x00214, |
1da177e4 | 125 | .set_uproc_interrupt_reg = 0x00214, |
214777ba WB |
126 | .set_uproc_interrupt_reg32 = 0x00214, |
127 | .clr_uproc_interrupt_reg = 0x00218, | |
128 | .clr_uproc_interrupt_reg32 = 0x00218 | |
1da177e4 LT |
129 | } |
130 | }, | |
131 | { /* Snipe and Scamp */ | |
132 | .mailbox = 0x0052C, | |
89aad428 | 133 | .max_cmds = 100, |
1da177e4 | 134 | .cache_line_size = 0x20, |
7dd21308 | 135 | .clear_isr = 1, |
b53d124a | 136 | .iopoll_weight = 0, |
1da177e4 LT |
137 | { |
138 | .set_interrupt_mask_reg = 0x00288, | |
139 | .clr_interrupt_mask_reg = 0x0028C, | |
214777ba | 140 | .clr_interrupt_mask_reg32 = 0x0028C, |
1da177e4 | 141 | .sense_interrupt_mask_reg = 0x00288, |
214777ba | 142 | .sense_interrupt_mask_reg32 = 0x00288, |
1da177e4 | 143 | .clr_interrupt_reg = 0x00284, |
214777ba | 144 | .clr_interrupt_reg32 = 0x00284, |
1da177e4 | 145 | .sense_interrupt_reg = 0x00280, |
214777ba | 146 | .sense_interrupt_reg32 = 0x00280, |
1da177e4 LT |
147 | .ioarrin_reg = 0x00504, |
148 | .sense_uproc_interrupt_reg = 0x00290, | |
214777ba | 149 | .sense_uproc_interrupt_reg32 = 0x00290, |
1da177e4 | 150 | .set_uproc_interrupt_reg = 0x00290, |
214777ba WB |
151 | .set_uproc_interrupt_reg32 = 0x00290, |
152 | .clr_uproc_interrupt_reg = 0x00294, | |
153 | .clr_uproc_interrupt_reg32 = 0x00294 | |
1da177e4 LT |
154 | } |
155 | }, | |
a74c1639 | 156 | { /* CRoC */ |
110def85 | 157 | .mailbox = 0x00044, |
89aad428 | 158 | .max_cmds = 1000, |
a74c1639 | 159 | .cache_line_size = 0x20, |
7dd21308 | 160 | .clear_isr = 0, |
b53d124a | 161 | .iopoll_weight = 64, |
a74c1639 WB |
162 | { |
163 | .set_interrupt_mask_reg = 0x00010, | |
164 | .clr_interrupt_mask_reg = 0x00018, | |
214777ba | 165 | .clr_interrupt_mask_reg32 = 0x0001C, |
a74c1639 | 166 | .sense_interrupt_mask_reg = 0x00010, |
214777ba | 167 | .sense_interrupt_mask_reg32 = 0x00014, |
a74c1639 | 168 | .clr_interrupt_reg = 0x00008, |
214777ba | 169 | .clr_interrupt_reg32 = 0x0000C, |
a74c1639 | 170 | .sense_interrupt_reg = 0x00000, |
214777ba | 171 | .sense_interrupt_reg32 = 0x00004, |
a74c1639 WB |
172 | .ioarrin_reg = 0x00070, |
173 | .sense_uproc_interrupt_reg = 0x00020, | |
214777ba | 174 | .sense_uproc_interrupt_reg32 = 0x00024, |
a74c1639 | 175 | .set_uproc_interrupt_reg = 0x00020, |
214777ba | 176 | .set_uproc_interrupt_reg32 = 0x00024, |
dcbad00e | 177 | .clr_uproc_interrupt_reg = 0x00028, |
214777ba WB |
178 | .clr_uproc_interrupt_reg32 = 0x0002C, |
179 | .init_feedback_reg = 0x0005C, | |
dcbad00e | 180 | .dump_addr_reg = 0x00064, |
8701f185 WB |
181 | .dump_data_reg = 0x00068, |
182 | .endian_swap_reg = 0x00084 | |
a74c1639 WB |
183 | } |
184 | }, | |
1da177e4 LT |
185 | }; |
186 | ||
187 | static const struct ipr_chip_t ipr_chip[] = { | |
cb237ef7 WB |
188 | { PCI_VENDOR_ID_MYLEX, PCI_DEVICE_ID_IBM_GEMSTONE, IPR_USE_LSI, IPR_SIS32, IPR_PCI_CFG, &ipr_chip_cfg[0] }, |
189 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CITRINE, IPR_USE_LSI, IPR_SIS32, IPR_PCI_CFG, &ipr_chip_cfg[0] }, | |
190 | { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN, IPR_USE_LSI, IPR_SIS32, IPR_PCI_CFG, &ipr_chip_cfg[0] }, | |
191 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN, IPR_USE_LSI, IPR_SIS32, IPR_PCI_CFG, &ipr_chip_cfg[0] }, | |
192 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E, IPR_USE_MSI, IPR_SIS32, IPR_PCI_CFG, &ipr_chip_cfg[0] }, | |
193 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_SNIPE, IPR_USE_LSI, IPR_SIS32, IPR_PCI_CFG, &ipr_chip_cfg[1] }, | |
194 | { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP, IPR_USE_LSI, IPR_SIS32, IPR_PCI_CFG, &ipr_chip_cfg[1] }, | |
195 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_FPGA_E2, IPR_USE_MSI, IPR_SIS64, IPR_MMIO, &ipr_chip_cfg[2] }, | |
cd9b3d04 | 196 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, IPR_USE_MSI, IPR_SIS64, IPR_MMIO, &ipr_chip_cfg[2] } |
1da177e4 LT |
197 | }; |
198 | ||
203fa3fe | 199 | static int ipr_max_bus_speeds[] = { |
1da177e4 LT |
200 | IPR_80MBs_SCSI_RATE, IPR_U160_SCSI_RATE, IPR_U320_SCSI_RATE |
201 | }; | |
202 | ||
203 | MODULE_AUTHOR("Brian King <brking@us.ibm.com>"); | |
204 | MODULE_DESCRIPTION("IBM Power RAID SCSI Adapter Driver"); | |
205 | module_param_named(max_speed, ipr_max_speed, uint, 0); | |
206 | MODULE_PARM_DESC(max_speed, "Maximum bus speed (0-2). Default: 1=U160. Speeds: 0=80 MB/s, 1=U160, 2=U320"); | |
207 | module_param_named(log_level, ipr_log_level, uint, 0); | |
208 | MODULE_PARM_DESC(log_level, "Set to 0 - 4 for increasing verbosity of device driver"); | |
209 | module_param_named(testmode, ipr_testmode, int, 0); | |
210 | MODULE_PARM_DESC(testmode, "DANGEROUS!!! Allows unsupported configurations"); | |
2cf22be0 | 211 | module_param_named(fastfail, ipr_fastfail, int, S_IRUGO | S_IWUSR); |
1da177e4 LT |
212 | MODULE_PARM_DESC(fastfail, "Reduce timeouts and retries"); |
213 | module_param_named(transop_timeout, ipr_transop_timeout, int, 0); | |
214 | MODULE_PARM_DESC(transop_timeout, "Time in seconds to wait for adapter to come operational (default: 300)"); | |
2cf22be0 | 215 | module_param_named(debug, ipr_debug, int, S_IRUGO | S_IWUSR); |
d3c74871 | 216 | MODULE_PARM_DESC(debug, "Enable device driver debugging logging. Set to 1 to enable. (default: 0)"); |
ac09c349 BK |
217 | module_param_named(dual_ioa_raid, ipr_dual_ioa_raid, int, 0); |
218 | MODULE_PARM_DESC(dual_ioa_raid, "Enable dual adapter RAID support. Set to 1 to enable. (default: 1)"); | |
3e7ebdfa WB |
219 | module_param_named(max_devs, ipr_max_devs, int, 0); |
220 | MODULE_PARM_DESC(max_devs, "Specify the maximum number of physical devices. " | |
221 | "[Default=" __stringify(IPR_DEFAULT_SIS64_DEVS) "]"); | |
05a6538a | 222 | module_param_named(number_of_msix, ipr_number_of_msix, int, 0); |
6634ff7c | 223 | MODULE_PARM_DESC(number_of_msix, "Specify the number of MSIX interrupts to use on capable adapters (1 - 16). (default:2)"); |
1da177e4 LT |
224 | MODULE_LICENSE("GPL"); |
225 | MODULE_VERSION(IPR_DRIVER_VERSION); | |
226 | ||
1da177e4 LT |
227 | /* A constant array of IOASCs/URCs/Error Messages */ |
228 | static const | |
229 | struct ipr_error_table_t ipr_error_table[] = { | |
933916f3 | 230 | {0x00000000, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 LT |
231 | "8155: An unknown error was received"}, |
232 | {0x00330000, 0, 0, | |
233 | "Soft underlength error"}, | |
234 | {0x005A0000, 0, 0, | |
235 | "Command to be cancelled not found"}, | |
236 | {0x00808000, 0, 0, | |
237 | "Qualified success"}, | |
933916f3 | 238 | {0x01080000, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 239 | "FFFE: Soft device bus error recovered by the IOA"}, |
933916f3 | 240 | {0x01088100, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 241 | "4101: Soft device bus fabric error"}, |
5aa3a333 WB |
242 | {0x01100100, 0, IPR_DEFAULT_LOG_LEVEL, |
243 | "FFFC: Logical block guard error recovered by the device"}, | |
244 | {0x01100300, 0, IPR_DEFAULT_LOG_LEVEL, | |
245 | "FFFC: Logical block reference tag error recovered by the device"}, | |
246 | {0x01108300, 0, IPR_DEFAULT_LOG_LEVEL, | |
247 | "4171: Recovered scatter list tag / sequence number error"}, | |
248 | {0x01109000, 0, IPR_DEFAULT_LOG_LEVEL, | |
249 | "FF3D: Recovered logical block CRC error on IOA to Host transfer"}, | |
250 | {0x01109200, 0, IPR_DEFAULT_LOG_LEVEL, | |
251 | "4171: Recovered logical block sequence number error on IOA to Host transfer"}, | |
252 | {0x0110A000, 0, IPR_DEFAULT_LOG_LEVEL, | |
253 | "FFFD: Recovered logical block reference tag error detected by the IOA"}, | |
254 | {0x0110A100, 0, IPR_DEFAULT_LOG_LEVEL, | |
255 | "FFFD: Logical block guard error recovered by the IOA"}, | |
933916f3 | 256 | {0x01170600, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 257 | "FFF9: Device sector reassign successful"}, |
933916f3 | 258 | {0x01170900, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 259 | "FFF7: Media error recovered by device rewrite procedures"}, |
933916f3 | 260 | {0x01180200, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 261 | "7001: IOA sector reassignment successful"}, |
933916f3 | 262 | {0x01180500, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 263 | "FFF9: Soft media error. Sector reassignment recommended"}, |
933916f3 | 264 | {0x01180600, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 265 | "FFF7: Media error recovered by IOA rewrite procedures"}, |
933916f3 | 266 | {0x01418000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 267 | "FF3D: Soft PCI bus error recovered by the IOA"}, |
933916f3 | 268 | {0x01440000, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 269 | "FFF6: Device hardware error recovered by the IOA"}, |
933916f3 | 270 | {0x01448100, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 271 | "FFF6: Device hardware error recovered by the device"}, |
933916f3 | 272 | {0x01448200, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 273 | "FF3D: Soft IOA error recovered by the IOA"}, |
933916f3 | 274 | {0x01448300, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 275 | "FFFA: Undefined device response recovered by the IOA"}, |
933916f3 | 276 | {0x014A0000, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 277 | "FFF6: Device bus error, message or command phase"}, |
933916f3 | 278 | {0x014A8000, 0, IPR_DEFAULT_LOG_LEVEL, |
35a39691 | 279 | "FFFE: Task Management Function failed"}, |
933916f3 | 280 | {0x015D0000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 281 | "FFF6: Failure prediction threshold exceeded"}, |
933916f3 | 282 | {0x015D9200, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 283 | "8009: Impending cache battery pack failure"}, |
ed7bd661 | 284 | {0x02040100, 0, 0, |
285 | "Logical Unit in process of becoming ready"}, | |
286 | {0x02040200, 0, 0, | |
287 | "Initializing command required"}, | |
1da177e4 LT |
288 | {0x02040400, 0, 0, |
289 | "34FF: Disk device format in progress"}, | |
ed7bd661 | 290 | {0x02040C00, 0, 0, |
291 | "Logical unit not accessible, target port in unavailable state"}, | |
65f56475 BK |
292 | {0x02048000, 0, IPR_DEFAULT_LOG_LEVEL, |
293 | "9070: IOA requested reset"}, | |
1da177e4 LT |
294 | {0x023F0000, 0, 0, |
295 | "Synchronization required"}, | |
ed7bd661 | 296 | {0x02408500, 0, 0, |
297 | "IOA microcode download required"}, | |
298 | {0x02408600, 0, 0, | |
299 | "Device bus connection is prohibited by host"}, | |
1da177e4 LT |
300 | {0x024E0000, 0, 0, |
301 | "No ready, IOA shutdown"}, | |
302 | {0x025A0000, 0, 0, | |
303 | "Not ready, IOA has been shutdown"}, | |
933916f3 | 304 | {0x02670100, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 LT |
305 | "3020: Storage subsystem configuration error"}, |
306 | {0x03110B00, 0, 0, | |
307 | "FFF5: Medium error, data unreadable, recommend reassign"}, | |
308 | {0x03110C00, 0, 0, | |
309 | "7000: Medium error, data unreadable, do not reassign"}, | |
933916f3 | 310 | {0x03310000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 311 | "FFF3: Disk media format bad"}, |
933916f3 | 312 | {0x04050000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 313 | "3002: Addressed device failed to respond to selection"}, |
933916f3 | 314 | {0x04080000, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 315 | "3100: Device bus error"}, |
933916f3 | 316 | {0x04080100, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 LT |
317 | "3109: IOA timed out a device command"}, |
318 | {0x04088000, 0, 0, | |
319 | "3120: SCSI bus is not operational"}, | |
933916f3 | 320 | {0x04088100, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 321 | "4100: Hard device bus fabric error"}, |
5aa3a333 WB |
322 | {0x04100100, 0, IPR_DEFAULT_LOG_LEVEL, |
323 | "310C: Logical block guard error detected by the device"}, | |
324 | {0x04100300, 0, IPR_DEFAULT_LOG_LEVEL, | |
325 | "310C: Logical block reference tag error detected by the device"}, | |
326 | {0x04108300, 1, IPR_DEFAULT_LOG_LEVEL, | |
327 | "4170: Scatter list tag / sequence number error"}, | |
328 | {0x04109000, 1, IPR_DEFAULT_LOG_LEVEL, | |
329 | "8150: Logical block CRC error on IOA to Host transfer"}, | |
330 | {0x04109200, 1, IPR_DEFAULT_LOG_LEVEL, | |
331 | "4170: Logical block sequence number error on IOA to Host transfer"}, | |
332 | {0x0410A000, 0, IPR_DEFAULT_LOG_LEVEL, | |
333 | "310D: Logical block reference tag error detected by the IOA"}, | |
334 | {0x0410A100, 0, IPR_DEFAULT_LOG_LEVEL, | |
335 | "310D: Logical block guard error detected by the IOA"}, | |
933916f3 | 336 | {0x04118000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 337 | "9000: IOA reserved area data check"}, |
933916f3 | 338 | {0x04118100, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 339 | "9001: IOA reserved area invalid data pattern"}, |
933916f3 | 340 | {0x04118200, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 341 | "9002: IOA reserved area LRC error"}, |
5aa3a333 WB |
342 | {0x04118300, 1, IPR_DEFAULT_LOG_LEVEL, |
343 | "Hardware Error, IOA metadata access error"}, | |
933916f3 | 344 | {0x04320000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 345 | "102E: Out of alternate sectors for disk storage"}, |
933916f3 | 346 | {0x04330000, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 347 | "FFF4: Data transfer underlength error"}, |
933916f3 | 348 | {0x04338000, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 349 | "FFF4: Data transfer overlength error"}, |
933916f3 | 350 | {0x043E0100, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 351 | "3400: Logical unit failure"}, |
933916f3 | 352 | {0x04408500, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 353 | "FFF4: Device microcode is corrupt"}, |
933916f3 | 354 | {0x04418000, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 LT |
355 | "8150: PCI bus error"}, |
356 | {0x04430000, 1, 0, | |
357 | "Unsupported device bus message received"}, | |
933916f3 | 358 | {0x04440000, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 359 | "FFF4: Disk device problem"}, |
933916f3 | 360 | {0x04448200, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 361 | "8150: Permanent IOA failure"}, |
933916f3 | 362 | {0x04448300, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 363 | "3010: Disk device returned wrong response to IOA"}, |
933916f3 | 364 | {0x04448400, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 LT |
365 | "8151: IOA microcode error"}, |
366 | {0x04448500, 0, 0, | |
367 | "Device bus status error"}, | |
933916f3 | 368 | {0x04448600, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 369 | "8157: IOA error requiring IOA reset to recover"}, |
35a39691 BK |
370 | {0x04448700, 0, 0, |
371 | "ATA device status error"}, | |
1da177e4 LT |
372 | {0x04490000, 0, 0, |
373 | "Message reject received from the device"}, | |
933916f3 | 374 | {0x04449200, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 375 | "8008: A permanent cache battery pack failure occurred"}, |
933916f3 | 376 | {0x0444A000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 377 | "9090: Disk unit has been modified after the last known status"}, |
933916f3 | 378 | {0x0444A200, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 379 | "9081: IOA detected device error"}, |
933916f3 | 380 | {0x0444A300, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 381 | "9082: IOA detected device error"}, |
933916f3 | 382 | {0x044A0000, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 383 | "3110: Device bus error, message or command phase"}, |
933916f3 | 384 | {0x044A8000, 1, IPR_DEFAULT_LOG_LEVEL, |
35a39691 | 385 | "3110: SAS Command / Task Management Function failed"}, |
933916f3 | 386 | {0x04670400, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 387 | "9091: Incorrect hardware configuration change has been detected"}, |
933916f3 | 388 | {0x04678000, 0, IPR_DEFAULT_LOG_LEVEL, |
b0df54bb | 389 | "9073: Invalid multi-adapter configuration"}, |
933916f3 | 390 | {0x04678100, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 391 | "4010: Incorrect connection between cascaded expanders"}, |
933916f3 | 392 | {0x04678200, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 393 | "4020: Connections exceed IOA design limits"}, |
933916f3 | 394 | {0x04678300, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 395 | "4030: Incorrect multipath connection"}, |
933916f3 | 396 | {0x04679000, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 397 | "4110: Unsupported enclosure function"}, |
ed7bd661 | 398 | {0x04679800, 0, IPR_DEFAULT_LOG_LEVEL, |
399 | "4120: SAS cable VPD cannot be read"}, | |
933916f3 | 400 | {0x046E0000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 LT |
401 | "FFF4: Command to logical unit failed"}, |
402 | {0x05240000, 1, 0, | |
403 | "Illegal request, invalid request type or request packet"}, | |
404 | {0x05250000, 0, 0, | |
405 | "Illegal request, invalid resource handle"}, | |
b0df54bb BK |
406 | {0x05258000, 0, 0, |
407 | "Illegal request, commands not allowed to this device"}, | |
408 | {0x05258100, 0, 0, | |
409 | "Illegal request, command not allowed to a secondary adapter"}, | |
5aa3a333 WB |
410 | {0x05258200, 0, 0, |
411 | "Illegal request, command not allowed to a non-optimized resource"}, | |
1da177e4 LT |
412 | {0x05260000, 0, 0, |
413 | "Illegal request, invalid field in parameter list"}, | |
414 | {0x05260100, 0, 0, | |
415 | "Illegal request, parameter not supported"}, | |
416 | {0x05260200, 0, 0, | |
417 | "Illegal request, parameter value invalid"}, | |
418 | {0x052C0000, 0, 0, | |
419 | "Illegal request, command sequence error"}, | |
b0df54bb BK |
420 | {0x052C8000, 1, 0, |
421 | "Illegal request, dual adapter support not enabled"}, | |
ed7bd661 | 422 | {0x052C8100, 1, 0, |
423 | "Illegal request, another cable connector was physically disabled"}, | |
424 | {0x054E8000, 1, 0, | |
425 | "Illegal request, inconsistent group id/group count"}, | |
933916f3 | 426 | {0x06040500, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 427 | "9031: Array protection temporarily suspended, protection resuming"}, |
933916f3 | 428 | {0x06040600, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 429 | "9040: Array protection temporarily suspended, protection resuming"}, |
ed7bd661 | 430 | {0x060B0100, 0, IPR_DEFAULT_LOG_LEVEL, |
431 | "4080: IOA exceeded maximum operating temperature"}, | |
432 | {0x060B8000, 0, IPR_DEFAULT_LOG_LEVEL, | |
433 | "4085: Service required"}, | |
933916f3 | 434 | {0x06288000, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 435 | "3140: Device bus not ready to ready transition"}, |
933916f3 | 436 | {0x06290000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 LT |
437 | "FFFB: SCSI bus was reset"}, |
438 | {0x06290500, 0, 0, | |
439 | "FFFE: SCSI bus transition to single ended"}, | |
440 | {0x06290600, 0, 0, | |
441 | "FFFE: SCSI bus transition to LVD"}, | |
933916f3 | 442 | {0x06298000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 443 | "FFFB: SCSI bus was reset by another initiator"}, |
933916f3 | 444 | {0x063F0300, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 445 | "3029: A device replacement has occurred"}, |
ed7bd661 | 446 | {0x063F8300, 0, IPR_DEFAULT_LOG_LEVEL, |
447 | "4102: Device bus fabric performance degradation"}, | |
933916f3 | 448 | {0x064C8000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 449 | "9051: IOA cache data exists for a missing or failed device"}, |
933916f3 | 450 | {0x064C8100, 0, IPR_DEFAULT_LOG_LEVEL, |
b0df54bb | 451 | "9055: Auxiliary cache IOA contains cache data needed by the primary IOA"}, |
933916f3 | 452 | {0x06670100, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 453 | "9025: Disk unit is not supported at its physical location"}, |
933916f3 | 454 | {0x06670600, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 455 | "3020: IOA detected a SCSI bus configuration error"}, |
933916f3 | 456 | {0x06678000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 457 | "3150: SCSI bus configuration error"}, |
933916f3 | 458 | {0x06678100, 0, IPR_DEFAULT_LOG_LEVEL, |
b0df54bb | 459 | "9074: Asymmetric advanced function disk configuration"}, |
933916f3 | 460 | {0x06678300, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 461 | "4040: Incomplete multipath connection between IOA and enclosure"}, |
933916f3 | 462 | {0x06678400, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 463 | "4041: Incomplete multipath connection between enclosure and device"}, |
933916f3 | 464 | {0x06678500, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 465 | "9075: Incomplete multipath connection between IOA and remote IOA"}, |
933916f3 | 466 | {0x06678600, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 467 | "9076: Configuration error, missing remote IOA"}, |
933916f3 | 468 | {0x06679100, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 469 | "4050: Enclosure does not support a required multipath function"}, |
ed7bd661 | 470 | {0x06679800, 0, IPR_DEFAULT_LOG_LEVEL, |
471 | "4121: Configuration error, required cable is missing"}, | |
472 | {0x06679900, 0, IPR_DEFAULT_LOG_LEVEL, | |
473 | "4122: Cable is not plugged into the correct location on remote IOA"}, | |
474 | {0x06679A00, 0, IPR_DEFAULT_LOG_LEVEL, | |
475 | "4123: Configuration error, invalid cable vital product data"}, | |
476 | {0x06679B00, 0, IPR_DEFAULT_LOG_LEVEL, | |
477 | "4124: Configuration error, both cable ends are plugged into the same IOA"}, | |
b75424fc WB |
478 | {0x06690000, 0, IPR_DEFAULT_LOG_LEVEL, |
479 | "4070: Logically bad block written on device"}, | |
933916f3 | 480 | {0x06690200, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 481 | "9041: Array protection temporarily suspended"}, |
933916f3 | 482 | {0x06698200, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 483 | "9042: Corrupt array parity detected on specified device"}, |
933916f3 | 484 | {0x066B0200, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 485 | "9030: Array no longer protected due to missing or failed disk unit"}, |
933916f3 | 486 | {0x066B8000, 0, IPR_DEFAULT_LOG_LEVEL, |
b0df54bb | 487 | "9071: Link operational transition"}, |
933916f3 | 488 | {0x066B8100, 0, IPR_DEFAULT_LOG_LEVEL, |
b0df54bb | 489 | "9072: Link not operational transition"}, |
933916f3 | 490 | {0x066B8200, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 491 | "9032: Array exposed but still protected"}, |
e435340c BK |
492 | {0x066B8300, 0, IPR_DEFAULT_LOG_LEVEL + 1, |
493 | "70DD: Device forced failed by disrupt device command"}, | |
933916f3 | 494 | {0x066B9100, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 495 | "4061: Multipath redundancy level got better"}, |
933916f3 | 496 | {0x066B9200, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 497 | "4060: Multipath redundancy level got worse"}, |
1da177e4 LT |
498 | {0x07270000, 0, 0, |
499 | "Failure due to other device"}, | |
933916f3 | 500 | {0x07278000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 501 | "9008: IOA does not support functions expected by devices"}, |
933916f3 | 502 | {0x07278100, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 503 | "9010: Cache data associated with attached devices cannot be found"}, |
933916f3 | 504 | {0x07278200, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 505 | "9011: Cache data belongs to devices other than those attached"}, |
933916f3 | 506 | {0x07278400, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 507 | "9020: Array missing 2 or more devices with only 1 device present"}, |
933916f3 | 508 | {0x07278500, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 509 | "9021: Array missing 2 or more devices with 2 or more devices present"}, |
933916f3 | 510 | {0x07278600, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 511 | "9022: Exposed array is missing a required device"}, |
933916f3 | 512 | {0x07278700, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 513 | "9023: Array member(s) not at required physical locations"}, |
933916f3 | 514 | {0x07278800, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 515 | "9024: Array not functional due to present hardware configuration"}, |
933916f3 | 516 | {0x07278900, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 517 | "9026: Array not functional due to present hardware configuration"}, |
933916f3 | 518 | {0x07278A00, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 519 | "9027: Array is missing a device and parity is out of sync"}, |
933916f3 | 520 | {0x07278B00, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 521 | "9028: Maximum number of arrays already exist"}, |
933916f3 | 522 | {0x07278C00, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 523 | "9050: Required cache data cannot be located for a disk unit"}, |
933916f3 | 524 | {0x07278D00, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 525 | "9052: Cache data exists for a device that has been modified"}, |
933916f3 | 526 | {0x07278F00, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 527 | "9054: IOA resources not available due to previous problems"}, |
933916f3 | 528 | {0x07279100, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 529 | "9092: Disk unit requires initialization before use"}, |
933916f3 | 530 | {0x07279200, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 531 | "9029: Incorrect hardware configuration change has been detected"}, |
933916f3 | 532 | {0x07279600, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 533 | "9060: One or more disk pairs are missing from an array"}, |
933916f3 | 534 | {0x07279700, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 535 | "9061: One or more disks are missing from an array"}, |
933916f3 | 536 | {0x07279800, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 537 | "9062: One or more disks are missing from an array"}, |
933916f3 | 538 | {0x07279900, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 539 | "9063: Maximum number of functional arrays has been exceeded"}, |
ed7bd661 | 540 | {0x07279A00, 0, 0, |
541 | "Data protect, other volume set problem"}, | |
1da177e4 LT |
542 | {0x0B260000, 0, 0, |
543 | "Aborted command, invalid descriptor"}, | |
ed7bd661 | 544 | {0x0B3F9000, 0, 0, |
545 | "Target operating conditions have changed, dual adapter takeover"}, | |
546 | {0x0B530200, 0, 0, | |
547 | "Aborted command, medium removal prevented"}, | |
1da177e4 | 548 | {0x0B5A0000, 0, 0, |
ed7bd661 | 549 | "Command terminated by host"}, |
550 | {0x0B5B8000, 0, 0, | |
551 | "Aborted command, command terminated by host"} | |
1da177e4 LT |
552 | }; |
553 | ||
554 | static const struct ipr_ses_table_entry ipr_ses_table[] = { | |
555 | { "2104-DL1 ", "XXXXXXXXXXXXXXXX", 80 }, | |
556 | { "2104-TL1 ", "XXXXXXXXXXXXXXXX", 80 }, | |
557 | { "HSBP07M P U2SCSI", "XXXXXXXXXXXXXXXX", 80 }, /* Hidive 7 slot */ | |
558 | { "HSBP05M P U2SCSI", "XXXXXXXXXXXXXXXX", 80 }, /* Hidive 5 slot */ | |
559 | { "HSBP05M S U2SCSI", "XXXXXXXXXXXXXXXX", 80 }, /* Bowtie */ | |
560 | { "HSBP06E ASU2SCSI", "XXXXXXXXXXXXXXXX", 80 }, /* MartinFenning */ | |
561 | { "2104-DU3 ", "XXXXXXXXXXXXXXXX", 160 }, | |
562 | { "2104-TU3 ", "XXXXXXXXXXXXXXXX", 160 }, | |
563 | { "HSBP04C RSU2SCSI", "XXXXXXX*XXXXXXXX", 160 }, | |
564 | { "HSBP06E RSU2SCSI", "XXXXXXX*XXXXXXXX", 160 }, | |
565 | { "St V1S2 ", "XXXXXXXXXXXXXXXX", 160 }, | |
566 | { "HSBPD4M PU3SCSI", "XXXXXXX*XXXXXXXX", 160 }, | |
567 | { "VSBPD1H U3SCSI", "XXXXXXX*XXXXXXXX", 160 } | |
568 | }; | |
569 | ||
570 | /* | |
571 | * Function Prototypes | |
572 | */ | |
573 | static int ipr_reset_alert(struct ipr_cmnd *); | |
574 | static void ipr_process_ccn(struct ipr_cmnd *); | |
575 | static void ipr_process_error(struct ipr_cmnd *); | |
576 | static void ipr_reset_ioa_job(struct ipr_cmnd *); | |
577 | static void ipr_initiate_ioa_reset(struct ipr_ioa_cfg *, | |
578 | enum ipr_shutdown_type); | |
579 | ||
580 | #ifdef CONFIG_SCSI_IPR_TRACE | |
581 | /** | |
582 | * ipr_trc_hook - Add a trace entry to the driver trace | |
583 | * @ipr_cmd: ipr command struct | |
584 | * @type: trace type | |
585 | * @add_data: additional data | |
586 | * | |
587 | * Return value: | |
588 | * none | |
589 | **/ | |
590 | static void ipr_trc_hook(struct ipr_cmnd *ipr_cmd, | |
591 | u8 type, u32 add_data) | |
592 | { | |
593 | struct ipr_trace_entry *trace_entry; | |
594 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
595 | ||
56d6aa33 | 596 | trace_entry = &ioa_cfg->trace[atomic_add_return |
597 | (1, &ioa_cfg->trace_index)%IPR_NUM_TRACE_ENTRIES]; | |
1da177e4 LT |
598 | trace_entry->time = jiffies; |
599 | trace_entry->op_code = ipr_cmd->ioarcb.cmd_pkt.cdb[0]; | |
600 | trace_entry->type = type; | |
a32c055f WB |
601 | if (ipr_cmd->ioa_cfg->sis64) |
602 | trace_entry->ata_op_code = ipr_cmd->i.ata_ioadl.regs.command; | |
603 | else | |
604 | trace_entry->ata_op_code = ipr_cmd->ioarcb.u.add_data.u.regs.command; | |
35a39691 | 605 | trace_entry->cmd_index = ipr_cmd->cmd_index & 0xff; |
1da177e4 LT |
606 | trace_entry->res_handle = ipr_cmd->ioarcb.res_handle; |
607 | trace_entry->u.add_data = add_data; | |
56d6aa33 | 608 | wmb(); |
1da177e4 LT |
609 | } |
610 | #else | |
203fa3fe | 611 | #define ipr_trc_hook(ipr_cmd, type, add_data) do { } while (0) |
1da177e4 LT |
612 | #endif |
613 | ||
172cd6e1 BK |
614 | /** |
615 | * ipr_lock_and_done - Acquire lock and complete command | |
616 | * @ipr_cmd: ipr command struct | |
617 | * | |
618 | * Return value: | |
619 | * none | |
620 | **/ | |
621 | static void ipr_lock_and_done(struct ipr_cmnd *ipr_cmd) | |
622 | { | |
623 | unsigned long lock_flags; | |
624 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
625 | ||
626 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
627 | ipr_cmd->done(ipr_cmd); | |
628 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
629 | } | |
630 | ||
1da177e4 LT |
631 | /** |
632 | * ipr_reinit_ipr_cmnd - Re-initialize an IPR Cmnd block for reuse | |
633 | * @ipr_cmd: ipr command struct | |
634 | * | |
635 | * Return value: | |
636 | * none | |
637 | **/ | |
638 | static void ipr_reinit_ipr_cmnd(struct ipr_cmnd *ipr_cmd) | |
639 | { | |
640 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
96d21f00 WB |
641 | struct ipr_ioasa *ioasa = &ipr_cmd->s.ioasa; |
642 | struct ipr_ioasa64 *ioasa64 = &ipr_cmd->s.ioasa64; | |
a32c055f | 643 | dma_addr_t dma_addr = ipr_cmd->dma_addr; |
05a6538a | 644 | int hrrq_id; |
1da177e4 | 645 | |
05a6538a | 646 | hrrq_id = ioarcb->cmd_pkt.hrrq_id; |
1da177e4 | 647 | memset(&ioarcb->cmd_pkt, 0, sizeof(struct ipr_cmd_pkt)); |
05a6538a | 648 | ioarcb->cmd_pkt.hrrq_id = hrrq_id; |
a32c055f | 649 | ioarcb->data_transfer_length = 0; |
1da177e4 | 650 | ioarcb->read_data_transfer_length = 0; |
a32c055f | 651 | ioarcb->ioadl_len = 0; |
1da177e4 | 652 | ioarcb->read_ioadl_len = 0; |
a32c055f | 653 | |
96d21f00 | 654 | if (ipr_cmd->ioa_cfg->sis64) { |
a32c055f WB |
655 | ioarcb->u.sis64_addr_data.data_ioadl_addr = |
656 | cpu_to_be64(dma_addr + offsetof(struct ipr_cmnd, i.ioadl64)); | |
96d21f00 WB |
657 | ioasa64->u.gata.status = 0; |
658 | } else { | |
a32c055f WB |
659 | ioarcb->write_ioadl_addr = |
660 | cpu_to_be32(dma_addr + offsetof(struct ipr_cmnd, i.ioadl)); | |
661 | ioarcb->read_ioadl_addr = ioarcb->write_ioadl_addr; | |
96d21f00 | 662 | ioasa->u.gata.status = 0; |
a32c055f WB |
663 | } |
664 | ||
96d21f00 WB |
665 | ioasa->hdr.ioasc = 0; |
666 | ioasa->hdr.residual_data_len = 0; | |
1da177e4 | 667 | ipr_cmd->scsi_cmd = NULL; |
35a39691 | 668 | ipr_cmd->qc = NULL; |
1da177e4 LT |
669 | ipr_cmd->sense_buffer[0] = 0; |
670 | ipr_cmd->dma_use_sg = 0; | |
671 | } | |
672 | ||
673 | /** | |
674 | * ipr_init_ipr_cmnd - Initialize an IPR Cmnd block | |
675 | * @ipr_cmd: ipr command struct | |
676 | * | |
677 | * Return value: | |
678 | * none | |
679 | **/ | |
172cd6e1 BK |
680 | static void ipr_init_ipr_cmnd(struct ipr_cmnd *ipr_cmd, |
681 | void (*fast_done) (struct ipr_cmnd *)) | |
1da177e4 LT |
682 | { |
683 | ipr_reinit_ipr_cmnd(ipr_cmd); | |
684 | ipr_cmd->u.scratch = 0; | |
685 | ipr_cmd->sibling = NULL; | |
172cd6e1 | 686 | ipr_cmd->fast_done = fast_done; |
1da177e4 LT |
687 | init_timer(&ipr_cmd->timer); |
688 | } | |
689 | ||
690 | /** | |
00bfef2c | 691 | * __ipr_get_free_ipr_cmnd - Get a free IPR Cmnd block |
1da177e4 LT |
692 | * @ioa_cfg: ioa config struct |
693 | * | |
694 | * Return value: | |
695 | * pointer to ipr command struct | |
696 | **/ | |
697 | static | |
05a6538a | 698 | struct ipr_cmnd *__ipr_get_free_ipr_cmnd(struct ipr_hrr_queue *hrrq) |
1da177e4 | 699 | { |
05a6538a | 700 | struct ipr_cmnd *ipr_cmd = NULL; |
701 | ||
702 | if (likely(!list_empty(&hrrq->hrrq_free_q))) { | |
703 | ipr_cmd = list_entry(hrrq->hrrq_free_q.next, | |
704 | struct ipr_cmnd, queue); | |
705 | list_del(&ipr_cmd->queue); | |
706 | } | |
1da177e4 | 707 | |
1da177e4 LT |
708 | |
709 | return ipr_cmd; | |
710 | } | |
711 | ||
00bfef2c BK |
712 | /** |
713 | * ipr_get_free_ipr_cmnd - Get a free IPR Cmnd block and initialize it | |
714 | * @ioa_cfg: ioa config struct | |
715 | * | |
716 | * Return value: | |
717 | * pointer to ipr command struct | |
718 | **/ | |
719 | static | |
720 | struct ipr_cmnd *ipr_get_free_ipr_cmnd(struct ipr_ioa_cfg *ioa_cfg) | |
721 | { | |
05a6538a | 722 | struct ipr_cmnd *ipr_cmd = |
723 | __ipr_get_free_ipr_cmnd(&ioa_cfg->hrrq[IPR_INIT_HRRQ]); | |
172cd6e1 | 724 | ipr_init_ipr_cmnd(ipr_cmd, ipr_lock_and_done); |
00bfef2c BK |
725 | return ipr_cmd; |
726 | } | |
727 | ||
1da177e4 LT |
728 | /** |
729 | * ipr_mask_and_clear_interrupts - Mask all and clear specified interrupts | |
730 | * @ioa_cfg: ioa config struct | |
731 | * @clr_ints: interrupts to clear | |
732 | * | |
733 | * This function masks all interrupts on the adapter, then clears the | |
734 | * interrupts specified in the mask | |
735 | * | |
736 | * Return value: | |
737 | * none | |
738 | **/ | |
739 | static void ipr_mask_and_clear_interrupts(struct ipr_ioa_cfg *ioa_cfg, | |
740 | u32 clr_ints) | |
741 | { | |
742 | volatile u32 int_reg; | |
56d6aa33 | 743 | int i; |
1da177e4 LT |
744 | |
745 | /* Stop new interrupts */ | |
56d6aa33 | 746 | for (i = 0; i < ioa_cfg->hrrq_num; i++) { |
747 | spin_lock(&ioa_cfg->hrrq[i]._lock); | |
748 | ioa_cfg->hrrq[i].allow_interrupts = 0; | |
749 | spin_unlock(&ioa_cfg->hrrq[i]._lock); | |
750 | } | |
751 | wmb(); | |
1da177e4 LT |
752 | |
753 | /* Set interrupt mask to stop all new interrupts */ | |
214777ba WB |
754 | if (ioa_cfg->sis64) |
755 | writeq(~0, ioa_cfg->regs.set_interrupt_mask_reg); | |
756 | else | |
757 | writel(~0, ioa_cfg->regs.set_interrupt_mask_reg); | |
1da177e4 LT |
758 | |
759 | /* Clear any pending interrupts */ | |
214777ba WB |
760 | if (ioa_cfg->sis64) |
761 | writel(~0, ioa_cfg->regs.clr_interrupt_reg); | |
762 | writel(clr_ints, ioa_cfg->regs.clr_interrupt_reg32); | |
1da177e4 LT |
763 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg); |
764 | } | |
765 | ||
766 | /** | |
767 | * ipr_save_pcix_cmd_reg - Save PCI-X command register | |
768 | * @ioa_cfg: ioa config struct | |
769 | * | |
770 | * Return value: | |
771 | * 0 on success / -EIO on failure | |
772 | **/ | |
773 | static int ipr_save_pcix_cmd_reg(struct ipr_ioa_cfg *ioa_cfg) | |
774 | { | |
775 | int pcix_cmd_reg = pci_find_capability(ioa_cfg->pdev, PCI_CAP_ID_PCIX); | |
776 | ||
7dce0e1c BK |
777 | if (pcix_cmd_reg == 0) |
778 | return 0; | |
1da177e4 LT |
779 | |
780 | if (pci_read_config_word(ioa_cfg->pdev, pcix_cmd_reg + PCI_X_CMD, | |
781 | &ioa_cfg->saved_pcix_cmd_reg) != PCIBIOS_SUCCESSFUL) { | |
782 | dev_err(&ioa_cfg->pdev->dev, "Failed to save PCI-X command register\n"); | |
783 | return -EIO; | |
784 | } | |
785 | ||
786 | ioa_cfg->saved_pcix_cmd_reg |= PCI_X_CMD_DPERR_E | PCI_X_CMD_ERO; | |
787 | return 0; | |
788 | } | |
789 | ||
790 | /** | |
791 | * ipr_set_pcix_cmd_reg - Setup PCI-X command register | |
792 | * @ioa_cfg: ioa config struct | |
793 | * | |
794 | * Return value: | |
795 | * 0 on success / -EIO on failure | |
796 | **/ | |
797 | static int ipr_set_pcix_cmd_reg(struct ipr_ioa_cfg *ioa_cfg) | |
798 | { | |
799 | int pcix_cmd_reg = pci_find_capability(ioa_cfg->pdev, PCI_CAP_ID_PCIX); | |
800 | ||
801 | if (pcix_cmd_reg) { | |
802 | if (pci_write_config_word(ioa_cfg->pdev, pcix_cmd_reg + PCI_X_CMD, | |
803 | ioa_cfg->saved_pcix_cmd_reg) != PCIBIOS_SUCCESSFUL) { | |
804 | dev_err(&ioa_cfg->pdev->dev, "Failed to setup PCI-X command register\n"); | |
805 | return -EIO; | |
806 | } | |
1da177e4 LT |
807 | } |
808 | ||
809 | return 0; | |
810 | } | |
811 | ||
35a39691 BK |
812 | /** |
813 | * ipr_sata_eh_done - done function for aborted SATA commands | |
814 | * @ipr_cmd: ipr command struct | |
815 | * | |
816 | * This function is invoked for ops generated to SATA | |
817 | * devices which are being aborted. | |
818 | * | |
819 | * Return value: | |
820 | * none | |
821 | **/ | |
822 | static void ipr_sata_eh_done(struct ipr_cmnd *ipr_cmd) | |
823 | { | |
35a39691 BK |
824 | struct ata_queued_cmd *qc = ipr_cmd->qc; |
825 | struct ipr_sata_port *sata_port = qc->ap->private_data; | |
826 | ||
827 | qc->err_mask |= AC_ERR_OTHER; | |
828 | sata_port->ioasa.status |= ATA_BUSY; | |
05a6538a | 829 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
35a39691 BK |
830 | ata_qc_complete(qc); |
831 | } | |
832 | ||
1da177e4 LT |
833 | /** |
834 | * ipr_scsi_eh_done - mid-layer done function for aborted ops | |
835 | * @ipr_cmd: ipr command struct | |
836 | * | |
837 | * This function is invoked by the interrupt handler for | |
838 | * ops generated by the SCSI mid-layer which are being aborted. | |
839 | * | |
840 | * Return value: | |
841 | * none | |
842 | **/ | |
843 | static void ipr_scsi_eh_done(struct ipr_cmnd *ipr_cmd) | |
844 | { | |
1da177e4 LT |
845 | struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd; |
846 | ||
847 | scsi_cmd->result |= (DID_ERROR << 16); | |
848 | ||
63015bc9 | 849 | scsi_dma_unmap(ipr_cmd->scsi_cmd); |
1da177e4 | 850 | scsi_cmd->scsi_done(scsi_cmd); |
05a6538a | 851 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
1da177e4 LT |
852 | } |
853 | ||
854 | /** | |
855 | * ipr_fail_all_ops - Fails all outstanding ops. | |
856 | * @ioa_cfg: ioa config struct | |
857 | * | |
858 | * This function fails all outstanding ops. | |
859 | * | |
860 | * Return value: | |
861 | * none | |
862 | **/ | |
863 | static void ipr_fail_all_ops(struct ipr_ioa_cfg *ioa_cfg) | |
864 | { | |
865 | struct ipr_cmnd *ipr_cmd, *temp; | |
05a6538a | 866 | struct ipr_hrr_queue *hrrq; |
1da177e4 LT |
867 | |
868 | ENTER; | |
05a6538a | 869 | for_each_hrrq(hrrq, ioa_cfg) { |
56d6aa33 | 870 | spin_lock(&hrrq->_lock); |
05a6538a | 871 | list_for_each_entry_safe(ipr_cmd, |
872 | temp, &hrrq->hrrq_pending_q, queue) { | |
873 | list_del(&ipr_cmd->queue); | |
1da177e4 | 874 | |
05a6538a | 875 | ipr_cmd->s.ioasa.hdr.ioasc = |
876 | cpu_to_be32(IPR_IOASC_IOA_WAS_RESET); | |
877 | ipr_cmd->s.ioasa.hdr.ilid = | |
878 | cpu_to_be32(IPR_DRIVER_ILID); | |
1da177e4 | 879 | |
05a6538a | 880 | if (ipr_cmd->scsi_cmd) |
881 | ipr_cmd->done = ipr_scsi_eh_done; | |
882 | else if (ipr_cmd->qc) | |
883 | ipr_cmd->done = ipr_sata_eh_done; | |
1da177e4 | 884 | |
05a6538a | 885 | ipr_trc_hook(ipr_cmd, IPR_TRACE_FINISH, |
886 | IPR_IOASC_IOA_WAS_RESET); | |
887 | del_timer(&ipr_cmd->timer); | |
888 | ipr_cmd->done(ipr_cmd); | |
889 | } | |
56d6aa33 | 890 | spin_unlock(&hrrq->_lock); |
1da177e4 | 891 | } |
1da177e4 LT |
892 | LEAVE; |
893 | } | |
894 | ||
a32c055f WB |
895 | /** |
896 | * ipr_send_command - Send driver initiated requests. | |
897 | * @ipr_cmd: ipr command struct | |
898 | * | |
899 | * This function sends a command to the adapter using the correct write call. | |
900 | * In the case of sis64, calculate the ioarcb size required. Then or in the | |
901 | * appropriate bits. | |
902 | * | |
903 | * Return value: | |
904 | * none | |
905 | **/ | |
906 | static void ipr_send_command(struct ipr_cmnd *ipr_cmd) | |
907 | { | |
908 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
909 | dma_addr_t send_dma_addr = ipr_cmd->dma_addr; | |
910 | ||
911 | if (ioa_cfg->sis64) { | |
912 | /* The default size is 256 bytes */ | |
913 | send_dma_addr |= 0x1; | |
914 | ||
915 | /* If the number of ioadls * size of ioadl > 128 bytes, | |
916 | then use a 512 byte ioarcb */ | |
917 | if (ipr_cmd->dma_use_sg * sizeof(struct ipr_ioadl64_desc) > 128 ) | |
918 | send_dma_addr |= 0x4; | |
919 | writeq(send_dma_addr, ioa_cfg->regs.ioarrin_reg); | |
920 | } else | |
921 | writel(send_dma_addr, ioa_cfg->regs.ioarrin_reg); | |
922 | } | |
923 | ||
1da177e4 LT |
924 | /** |
925 | * ipr_do_req - Send driver initiated requests. | |
926 | * @ipr_cmd: ipr command struct | |
927 | * @done: done function | |
928 | * @timeout_func: timeout function | |
929 | * @timeout: timeout value | |
930 | * | |
931 | * This function sends the specified command to the adapter with the | |
932 | * timeout given. The done function is invoked on command completion. | |
933 | * | |
934 | * Return value: | |
935 | * none | |
936 | **/ | |
937 | static void ipr_do_req(struct ipr_cmnd *ipr_cmd, | |
938 | void (*done) (struct ipr_cmnd *), | |
939 | void (*timeout_func) (struct ipr_cmnd *), u32 timeout) | |
940 | { | |
05a6538a | 941 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_pending_q); |
1da177e4 LT |
942 | |
943 | ipr_cmd->done = done; | |
944 | ||
945 | ipr_cmd->timer.data = (unsigned long) ipr_cmd; | |
946 | ipr_cmd->timer.expires = jiffies + timeout; | |
947 | ipr_cmd->timer.function = (void (*)(unsigned long))timeout_func; | |
948 | ||
949 | add_timer(&ipr_cmd->timer); | |
950 | ||
951 | ipr_trc_hook(ipr_cmd, IPR_TRACE_START, 0); | |
952 | ||
a32c055f | 953 | ipr_send_command(ipr_cmd); |
1da177e4 LT |
954 | } |
955 | ||
956 | /** | |
957 | * ipr_internal_cmd_done - Op done function for an internally generated op. | |
958 | * @ipr_cmd: ipr command struct | |
959 | * | |
960 | * This function is the op done function for an internally generated, | |
961 | * blocking op. It simply wakes the sleeping thread. | |
962 | * | |
963 | * Return value: | |
964 | * none | |
965 | **/ | |
966 | static void ipr_internal_cmd_done(struct ipr_cmnd *ipr_cmd) | |
967 | { | |
968 | if (ipr_cmd->sibling) | |
969 | ipr_cmd->sibling = NULL; | |
970 | else | |
971 | complete(&ipr_cmd->completion); | |
972 | } | |
973 | ||
a32c055f WB |
974 | /** |
975 | * ipr_init_ioadl - initialize the ioadl for the correct SIS type | |
976 | * @ipr_cmd: ipr command struct | |
977 | * @dma_addr: dma address | |
978 | * @len: transfer length | |
979 | * @flags: ioadl flag value | |
980 | * | |
981 | * This function initializes an ioadl in the case where there is only a single | |
982 | * descriptor. | |
983 | * | |
984 | * Return value: | |
985 | * nothing | |
986 | **/ | |
987 | static void ipr_init_ioadl(struct ipr_cmnd *ipr_cmd, dma_addr_t dma_addr, | |
988 | u32 len, int flags) | |
989 | { | |
990 | struct ipr_ioadl_desc *ioadl = ipr_cmd->i.ioadl; | |
991 | struct ipr_ioadl64_desc *ioadl64 = ipr_cmd->i.ioadl64; | |
992 | ||
993 | ipr_cmd->dma_use_sg = 1; | |
994 | ||
995 | if (ipr_cmd->ioa_cfg->sis64) { | |
996 | ioadl64->flags = cpu_to_be32(flags); | |
997 | ioadl64->data_len = cpu_to_be32(len); | |
998 | ioadl64->address = cpu_to_be64(dma_addr); | |
999 | ||
1000 | ipr_cmd->ioarcb.ioadl_len = | |
1001 | cpu_to_be32(sizeof(struct ipr_ioadl64_desc)); | |
1002 | ipr_cmd->ioarcb.data_transfer_length = cpu_to_be32(len); | |
1003 | } else { | |
1004 | ioadl->flags_and_data_len = cpu_to_be32(flags | len); | |
1005 | ioadl->address = cpu_to_be32(dma_addr); | |
1006 | ||
1007 | if (flags == IPR_IOADL_FLAGS_READ_LAST) { | |
1008 | ipr_cmd->ioarcb.read_ioadl_len = | |
1009 | cpu_to_be32(sizeof(struct ipr_ioadl_desc)); | |
1010 | ipr_cmd->ioarcb.read_data_transfer_length = cpu_to_be32(len); | |
1011 | } else { | |
1012 | ipr_cmd->ioarcb.ioadl_len = | |
1013 | cpu_to_be32(sizeof(struct ipr_ioadl_desc)); | |
1014 | ipr_cmd->ioarcb.data_transfer_length = cpu_to_be32(len); | |
1015 | } | |
1016 | } | |
1017 | } | |
1018 | ||
1da177e4 LT |
1019 | /** |
1020 | * ipr_send_blocking_cmd - Send command and sleep on its completion. | |
1021 | * @ipr_cmd: ipr command struct | |
1022 | * @timeout_func: function to invoke if command times out | |
1023 | * @timeout: timeout | |
1024 | * | |
1025 | * Return value: | |
1026 | * none | |
1027 | **/ | |
1028 | static void ipr_send_blocking_cmd(struct ipr_cmnd *ipr_cmd, | |
1029 | void (*timeout_func) (struct ipr_cmnd *ipr_cmd), | |
1030 | u32 timeout) | |
1031 | { | |
1032 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
1033 | ||
1034 | init_completion(&ipr_cmd->completion); | |
1035 | ipr_do_req(ipr_cmd, ipr_internal_cmd_done, timeout_func, timeout); | |
1036 | ||
1037 | spin_unlock_irq(ioa_cfg->host->host_lock); | |
1038 | wait_for_completion(&ipr_cmd->completion); | |
1039 | spin_lock_irq(ioa_cfg->host->host_lock); | |
1040 | } | |
1041 | ||
05a6538a | 1042 | static int ipr_get_hrrq_index(struct ipr_ioa_cfg *ioa_cfg) |
1043 | { | |
1044 | if (ioa_cfg->hrrq_num == 1) | |
56d6aa33 | 1045 | return 0; |
1046 | else | |
1047 | return (atomic_add_return(1, &ioa_cfg->hrrq_index) % (ioa_cfg->hrrq_num - 1)) + 1; | |
05a6538a | 1048 | } |
1049 | ||
1da177e4 LT |
1050 | /** |
1051 | * ipr_send_hcam - Send an HCAM to the adapter. | |
1052 | * @ioa_cfg: ioa config struct | |
1053 | * @type: HCAM type | |
1054 | * @hostrcb: hostrcb struct | |
1055 | * | |
1056 | * This function will send a Host Controlled Async command to the adapter. | |
1057 | * If HCAMs are currently not allowed to be issued to the adapter, it will | |
1058 | * place the hostrcb on the free queue. | |
1059 | * | |
1060 | * Return value: | |
1061 | * none | |
1062 | **/ | |
1063 | static void ipr_send_hcam(struct ipr_ioa_cfg *ioa_cfg, u8 type, | |
1064 | struct ipr_hostrcb *hostrcb) | |
1065 | { | |
1066 | struct ipr_cmnd *ipr_cmd; | |
1067 | struct ipr_ioarcb *ioarcb; | |
1068 | ||
56d6aa33 | 1069 | if (ioa_cfg->hrrq[IPR_INIT_HRRQ].allow_cmds) { |
1da177e4 | 1070 | ipr_cmd = ipr_get_free_ipr_cmnd(ioa_cfg); |
05a6538a | 1071 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_pending_q); |
1da177e4 LT |
1072 | list_add_tail(&hostrcb->queue, &ioa_cfg->hostrcb_pending_q); |
1073 | ||
1074 | ipr_cmd->u.hostrcb = hostrcb; | |
1075 | ioarcb = &ipr_cmd->ioarcb; | |
1076 | ||
1077 | ioarcb->res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE); | |
1078 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_HCAM; | |
1079 | ioarcb->cmd_pkt.cdb[0] = IPR_HOST_CONTROLLED_ASYNC; | |
1080 | ioarcb->cmd_pkt.cdb[1] = type; | |
1081 | ioarcb->cmd_pkt.cdb[7] = (sizeof(hostrcb->hcam) >> 8) & 0xff; | |
1082 | ioarcb->cmd_pkt.cdb[8] = sizeof(hostrcb->hcam) & 0xff; | |
1083 | ||
a32c055f WB |
1084 | ipr_init_ioadl(ipr_cmd, hostrcb->hostrcb_dma, |
1085 | sizeof(hostrcb->hcam), IPR_IOADL_FLAGS_READ_LAST); | |
1da177e4 LT |
1086 | |
1087 | if (type == IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE) | |
1088 | ipr_cmd->done = ipr_process_ccn; | |
1089 | else | |
1090 | ipr_cmd->done = ipr_process_error; | |
1091 | ||
1092 | ipr_trc_hook(ipr_cmd, IPR_TRACE_START, IPR_IOA_RES_ADDR); | |
1093 | ||
a32c055f | 1094 | ipr_send_command(ipr_cmd); |
1da177e4 LT |
1095 | } else { |
1096 | list_add_tail(&hostrcb->queue, &ioa_cfg->hostrcb_free_q); | |
1097 | } | |
1098 | } | |
1099 | ||
3e7ebdfa WB |
1100 | /** |
1101 | * ipr_update_ata_class - Update the ata class in the resource entry | |
1102 | * @res: resource entry struct | |
1103 | * @proto: cfgte device bus protocol value | |
1104 | * | |
1105 | * Return value: | |
1106 | * none | |
1107 | **/ | |
1108 | static void ipr_update_ata_class(struct ipr_resource_entry *res, unsigned int proto) | |
1109 | { | |
203fa3fe | 1110 | switch (proto) { |
3e7ebdfa WB |
1111 | case IPR_PROTO_SATA: |
1112 | case IPR_PROTO_SAS_STP: | |
1113 | res->ata_class = ATA_DEV_ATA; | |
1114 | break; | |
1115 | case IPR_PROTO_SATA_ATAPI: | |
1116 | case IPR_PROTO_SAS_STP_ATAPI: | |
1117 | res->ata_class = ATA_DEV_ATAPI; | |
1118 | break; | |
1119 | default: | |
1120 | res->ata_class = ATA_DEV_UNKNOWN; | |
1121 | break; | |
1122 | }; | |
1123 | } | |
1124 | ||
1da177e4 LT |
1125 | /** |
1126 | * ipr_init_res_entry - Initialize a resource entry struct. | |
1127 | * @res: resource entry struct | |
3e7ebdfa | 1128 | * @cfgtew: config table entry wrapper struct |
1da177e4 LT |
1129 | * |
1130 | * Return value: | |
1131 | * none | |
1132 | **/ | |
3e7ebdfa WB |
1133 | static void ipr_init_res_entry(struct ipr_resource_entry *res, |
1134 | struct ipr_config_table_entry_wrapper *cfgtew) | |
1da177e4 | 1135 | { |
3e7ebdfa WB |
1136 | int found = 0; |
1137 | unsigned int proto; | |
1138 | struct ipr_ioa_cfg *ioa_cfg = res->ioa_cfg; | |
1139 | struct ipr_resource_entry *gscsi_res = NULL; | |
1140 | ||
ee0a90fa | 1141 | res->needs_sync_complete = 0; |
1da177e4 LT |
1142 | res->in_erp = 0; |
1143 | res->add_to_ml = 0; | |
1144 | res->del_from_ml = 0; | |
1145 | res->resetting_device = 0; | |
0b1f8d44 | 1146 | res->reset_occurred = 0; |
1da177e4 | 1147 | res->sdev = NULL; |
35a39691 | 1148 | res->sata_port = NULL; |
3e7ebdfa WB |
1149 | |
1150 | if (ioa_cfg->sis64) { | |
1151 | proto = cfgtew->u.cfgte64->proto; | |
1152 | res->res_flags = cfgtew->u.cfgte64->res_flags; | |
1153 | res->qmodel = IPR_QUEUEING_MODEL64(res); | |
438b0331 | 1154 | res->type = cfgtew->u.cfgte64->res_type; |
3e7ebdfa WB |
1155 | |
1156 | memcpy(res->res_path, &cfgtew->u.cfgte64->res_path, | |
1157 | sizeof(res->res_path)); | |
1158 | ||
1159 | res->bus = 0; | |
0cb992ed WB |
1160 | memcpy(&res->dev_lun.scsi_lun, &cfgtew->u.cfgte64->lun, |
1161 | sizeof(res->dev_lun.scsi_lun)); | |
3e7ebdfa WB |
1162 | res->lun = scsilun_to_int(&res->dev_lun); |
1163 | ||
1164 | if (res->type == IPR_RES_TYPE_GENERIC_SCSI) { | |
1165 | list_for_each_entry(gscsi_res, &ioa_cfg->used_res_q, queue) { | |
1166 | if (gscsi_res->dev_id == cfgtew->u.cfgte64->dev_id) { | |
1167 | found = 1; | |
1168 | res->target = gscsi_res->target; | |
1169 | break; | |
1170 | } | |
1171 | } | |
1172 | if (!found) { | |
1173 | res->target = find_first_zero_bit(ioa_cfg->target_ids, | |
1174 | ioa_cfg->max_devs_supported); | |
1175 | set_bit(res->target, ioa_cfg->target_ids); | |
1176 | } | |
3e7ebdfa WB |
1177 | } else if (res->type == IPR_RES_TYPE_IOAFP) { |
1178 | res->bus = IPR_IOAFP_VIRTUAL_BUS; | |
1179 | res->target = 0; | |
1180 | } else if (res->type == IPR_RES_TYPE_ARRAY) { | |
1181 | res->bus = IPR_ARRAY_VIRTUAL_BUS; | |
1182 | res->target = find_first_zero_bit(ioa_cfg->array_ids, | |
1183 | ioa_cfg->max_devs_supported); | |
1184 | set_bit(res->target, ioa_cfg->array_ids); | |
1185 | } else if (res->type == IPR_RES_TYPE_VOLUME_SET) { | |
1186 | res->bus = IPR_VSET_VIRTUAL_BUS; | |
1187 | res->target = find_first_zero_bit(ioa_cfg->vset_ids, | |
1188 | ioa_cfg->max_devs_supported); | |
1189 | set_bit(res->target, ioa_cfg->vset_ids); | |
1190 | } else { | |
1191 | res->target = find_first_zero_bit(ioa_cfg->target_ids, | |
1192 | ioa_cfg->max_devs_supported); | |
1193 | set_bit(res->target, ioa_cfg->target_ids); | |
1194 | } | |
1195 | } else { | |
1196 | proto = cfgtew->u.cfgte->proto; | |
1197 | res->qmodel = IPR_QUEUEING_MODEL(res); | |
1198 | res->flags = cfgtew->u.cfgte->flags; | |
1199 | if (res->flags & IPR_IS_IOA_RESOURCE) | |
1200 | res->type = IPR_RES_TYPE_IOAFP; | |
1201 | else | |
1202 | res->type = cfgtew->u.cfgte->rsvd_subtype & 0x0f; | |
1203 | ||
1204 | res->bus = cfgtew->u.cfgte->res_addr.bus; | |
1205 | res->target = cfgtew->u.cfgte->res_addr.target; | |
1206 | res->lun = cfgtew->u.cfgte->res_addr.lun; | |
46d74563 | 1207 | res->lun_wwn = get_unaligned_be64(cfgtew->u.cfgte->lun_wwn); |
3e7ebdfa WB |
1208 | } |
1209 | ||
1210 | ipr_update_ata_class(res, proto); | |
1211 | } | |
1212 | ||
1213 | /** | |
1214 | * ipr_is_same_device - Determine if two devices are the same. | |
1215 | * @res: resource entry struct | |
1216 | * @cfgtew: config table entry wrapper struct | |
1217 | * | |
1218 | * Return value: | |
1219 | * 1 if the devices are the same / 0 otherwise | |
1220 | **/ | |
1221 | static int ipr_is_same_device(struct ipr_resource_entry *res, | |
1222 | struct ipr_config_table_entry_wrapper *cfgtew) | |
1223 | { | |
1224 | if (res->ioa_cfg->sis64) { | |
1225 | if (!memcmp(&res->dev_id, &cfgtew->u.cfgte64->dev_id, | |
1226 | sizeof(cfgtew->u.cfgte64->dev_id)) && | |
0cb992ed | 1227 | !memcmp(&res->dev_lun.scsi_lun, &cfgtew->u.cfgte64->lun, |
3e7ebdfa WB |
1228 | sizeof(cfgtew->u.cfgte64->lun))) { |
1229 | return 1; | |
1230 | } | |
1231 | } else { | |
1232 | if (res->bus == cfgtew->u.cfgte->res_addr.bus && | |
1233 | res->target == cfgtew->u.cfgte->res_addr.target && | |
1234 | res->lun == cfgtew->u.cfgte->res_addr.lun) | |
1235 | return 1; | |
1236 | } | |
1237 | ||
1238 | return 0; | |
1239 | } | |
1240 | ||
1241 | /** | |
b3b3b407 | 1242 | * __ipr_format_res_path - Format the resource path for printing. |
3e7ebdfa WB |
1243 | * @res_path: resource path |
1244 | * @buf: buffer | |
b3b3b407 | 1245 | * @len: length of buffer provided |
3e7ebdfa WB |
1246 | * |
1247 | * Return value: | |
1248 | * pointer to buffer | |
1249 | **/ | |
b3b3b407 | 1250 | static char *__ipr_format_res_path(u8 *res_path, char *buffer, int len) |
3e7ebdfa WB |
1251 | { |
1252 | int i; | |
5adcbeb3 | 1253 | char *p = buffer; |
3e7ebdfa | 1254 | |
46d74563 | 1255 | *p = '\0'; |
5adcbeb3 WB |
1256 | p += snprintf(p, buffer + len - p, "%02X", res_path[0]); |
1257 | for (i = 1; res_path[i] != 0xff && ((i * 3) < len); i++) | |
1258 | p += snprintf(p, buffer + len - p, "-%02X", res_path[i]); | |
3e7ebdfa WB |
1259 | |
1260 | return buffer; | |
1261 | } | |
1262 | ||
b3b3b407 BK |
1263 | /** |
1264 | * ipr_format_res_path - Format the resource path for printing. | |
1265 | * @ioa_cfg: ioa config struct | |
1266 | * @res_path: resource path | |
1267 | * @buf: buffer | |
1268 | * @len: length of buffer provided | |
1269 | * | |
1270 | * Return value: | |
1271 | * pointer to buffer | |
1272 | **/ | |
1273 | static char *ipr_format_res_path(struct ipr_ioa_cfg *ioa_cfg, | |
1274 | u8 *res_path, char *buffer, int len) | |
1275 | { | |
1276 | char *p = buffer; | |
1277 | ||
1278 | *p = '\0'; | |
1279 | p += snprintf(p, buffer + len - p, "%d/", ioa_cfg->host->host_no); | |
1280 | __ipr_format_res_path(res_path, p, len - (buffer - p)); | |
1281 | return buffer; | |
1282 | } | |
1283 | ||
3e7ebdfa WB |
1284 | /** |
1285 | * ipr_update_res_entry - Update the resource entry. | |
1286 | * @res: resource entry struct | |
1287 | * @cfgtew: config table entry wrapper struct | |
1288 | * | |
1289 | * Return value: | |
1290 | * none | |
1291 | **/ | |
1292 | static void ipr_update_res_entry(struct ipr_resource_entry *res, | |
1293 | struct ipr_config_table_entry_wrapper *cfgtew) | |
1294 | { | |
1295 | char buffer[IPR_MAX_RES_PATH_LENGTH]; | |
1296 | unsigned int proto; | |
1297 | int new_path = 0; | |
1298 | ||
1299 | if (res->ioa_cfg->sis64) { | |
1300 | res->flags = cfgtew->u.cfgte64->flags; | |
1301 | res->res_flags = cfgtew->u.cfgte64->res_flags; | |
75576bb9 | 1302 | res->type = cfgtew->u.cfgte64->res_type; |
3e7ebdfa WB |
1303 | |
1304 | memcpy(&res->std_inq_data, &cfgtew->u.cfgte64->std_inq_data, | |
1305 | sizeof(struct ipr_std_inq_data)); | |
1306 | ||
1307 | res->qmodel = IPR_QUEUEING_MODEL64(res); | |
1308 | proto = cfgtew->u.cfgte64->proto; | |
1309 | res->res_handle = cfgtew->u.cfgte64->res_handle; | |
1310 | res->dev_id = cfgtew->u.cfgte64->dev_id; | |
1311 | ||
1312 | memcpy(&res->dev_lun.scsi_lun, &cfgtew->u.cfgte64->lun, | |
1313 | sizeof(res->dev_lun.scsi_lun)); | |
1314 | ||
1315 | if (memcmp(res->res_path, &cfgtew->u.cfgte64->res_path, | |
1316 | sizeof(res->res_path))) { | |
1317 | memcpy(res->res_path, &cfgtew->u.cfgte64->res_path, | |
1318 | sizeof(res->res_path)); | |
1319 | new_path = 1; | |
1320 | } | |
1321 | ||
1322 | if (res->sdev && new_path) | |
1323 | sdev_printk(KERN_INFO, res->sdev, "Resource path: %s\n", | |
b3b3b407 BK |
1324 | ipr_format_res_path(res->ioa_cfg, |
1325 | res->res_path, buffer, sizeof(buffer))); | |
3e7ebdfa WB |
1326 | } else { |
1327 | res->flags = cfgtew->u.cfgte->flags; | |
1328 | if (res->flags & IPR_IS_IOA_RESOURCE) | |
1329 | res->type = IPR_RES_TYPE_IOAFP; | |
1330 | else | |
1331 | res->type = cfgtew->u.cfgte->rsvd_subtype & 0x0f; | |
1332 | ||
1333 | memcpy(&res->std_inq_data, &cfgtew->u.cfgte->std_inq_data, | |
1334 | sizeof(struct ipr_std_inq_data)); | |
1335 | ||
1336 | res->qmodel = IPR_QUEUEING_MODEL(res); | |
1337 | proto = cfgtew->u.cfgte->proto; | |
1338 | res->res_handle = cfgtew->u.cfgte->res_handle; | |
1339 | } | |
1340 | ||
1341 | ipr_update_ata_class(res, proto); | |
1342 | } | |
1343 | ||
1344 | /** | |
1345 | * ipr_clear_res_target - Clear the bit in the bit map representing the target | |
1346 | * for the resource. | |
1347 | * @res: resource entry struct | |
1348 | * @cfgtew: config table entry wrapper struct | |
1349 | * | |
1350 | * Return value: | |
1351 | * none | |
1352 | **/ | |
1353 | static void ipr_clear_res_target(struct ipr_resource_entry *res) | |
1354 | { | |
1355 | struct ipr_resource_entry *gscsi_res = NULL; | |
1356 | struct ipr_ioa_cfg *ioa_cfg = res->ioa_cfg; | |
1357 | ||
1358 | if (!ioa_cfg->sis64) | |
1359 | return; | |
1360 | ||
1361 | if (res->bus == IPR_ARRAY_VIRTUAL_BUS) | |
1362 | clear_bit(res->target, ioa_cfg->array_ids); | |
1363 | else if (res->bus == IPR_VSET_VIRTUAL_BUS) | |
1364 | clear_bit(res->target, ioa_cfg->vset_ids); | |
1365 | else if (res->bus == 0 && res->type == IPR_RES_TYPE_GENERIC_SCSI) { | |
1366 | list_for_each_entry(gscsi_res, &ioa_cfg->used_res_q, queue) | |
1367 | if (gscsi_res->dev_id == res->dev_id && gscsi_res != res) | |
1368 | return; | |
1369 | clear_bit(res->target, ioa_cfg->target_ids); | |
1370 | ||
1371 | } else if (res->bus == 0) | |
1372 | clear_bit(res->target, ioa_cfg->target_ids); | |
1da177e4 LT |
1373 | } |
1374 | ||
1375 | /** | |
1376 | * ipr_handle_config_change - Handle a config change from the adapter | |
1377 | * @ioa_cfg: ioa config struct | |
1378 | * @hostrcb: hostrcb | |
1379 | * | |
1380 | * Return value: | |
1381 | * none | |
1382 | **/ | |
1383 | static void ipr_handle_config_change(struct ipr_ioa_cfg *ioa_cfg, | |
3e7ebdfa | 1384 | struct ipr_hostrcb *hostrcb) |
1da177e4 LT |
1385 | { |
1386 | struct ipr_resource_entry *res = NULL; | |
3e7ebdfa WB |
1387 | struct ipr_config_table_entry_wrapper cfgtew; |
1388 | __be32 cc_res_handle; | |
1389 | ||
1da177e4 LT |
1390 | u32 is_ndn = 1; |
1391 | ||
3e7ebdfa WB |
1392 | if (ioa_cfg->sis64) { |
1393 | cfgtew.u.cfgte64 = &hostrcb->hcam.u.ccn.u.cfgte64; | |
1394 | cc_res_handle = cfgtew.u.cfgte64->res_handle; | |
1395 | } else { | |
1396 | cfgtew.u.cfgte = &hostrcb->hcam.u.ccn.u.cfgte; | |
1397 | cc_res_handle = cfgtew.u.cfgte->res_handle; | |
1398 | } | |
1da177e4 LT |
1399 | |
1400 | list_for_each_entry(res, &ioa_cfg->used_res_q, queue) { | |
3e7ebdfa | 1401 | if (res->res_handle == cc_res_handle) { |
1da177e4 LT |
1402 | is_ndn = 0; |
1403 | break; | |
1404 | } | |
1405 | } | |
1406 | ||
1407 | if (is_ndn) { | |
1408 | if (list_empty(&ioa_cfg->free_res_q)) { | |
1409 | ipr_send_hcam(ioa_cfg, | |
1410 | IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE, | |
1411 | hostrcb); | |
1412 | return; | |
1413 | } | |
1414 | ||
1415 | res = list_entry(ioa_cfg->free_res_q.next, | |
1416 | struct ipr_resource_entry, queue); | |
1417 | ||
1418 | list_del(&res->queue); | |
3e7ebdfa | 1419 | ipr_init_res_entry(res, &cfgtew); |
1da177e4 LT |
1420 | list_add_tail(&res->queue, &ioa_cfg->used_res_q); |
1421 | } | |
1422 | ||
3e7ebdfa | 1423 | ipr_update_res_entry(res, &cfgtew); |
1da177e4 LT |
1424 | |
1425 | if (hostrcb->hcam.notify_type == IPR_HOST_RCB_NOTIF_TYPE_REM_ENTRY) { | |
1426 | if (res->sdev) { | |
1da177e4 | 1427 | res->del_from_ml = 1; |
3e7ebdfa | 1428 | res->res_handle = IPR_INVALID_RES_HANDLE; |
1da177e4 LT |
1429 | if (ioa_cfg->allow_ml_add_del) |
1430 | schedule_work(&ioa_cfg->work_q); | |
3e7ebdfa WB |
1431 | } else { |
1432 | ipr_clear_res_target(res); | |
1da177e4 | 1433 | list_move_tail(&res->queue, &ioa_cfg->free_res_q); |
3e7ebdfa | 1434 | } |
5767a1c4 | 1435 | } else if (!res->sdev || res->del_from_ml) { |
1da177e4 LT |
1436 | res->add_to_ml = 1; |
1437 | if (ioa_cfg->allow_ml_add_del) | |
1438 | schedule_work(&ioa_cfg->work_q); | |
1439 | } | |
1440 | ||
1441 | ipr_send_hcam(ioa_cfg, IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE, hostrcb); | |
1442 | } | |
1443 | ||
1444 | /** | |
1445 | * ipr_process_ccn - Op done function for a CCN. | |
1446 | * @ipr_cmd: ipr command struct | |
1447 | * | |
1448 | * This function is the op done function for a configuration | |
1449 | * change notification host controlled async from the adapter. | |
1450 | * | |
1451 | * Return value: | |
1452 | * none | |
1453 | **/ | |
1454 | static void ipr_process_ccn(struct ipr_cmnd *ipr_cmd) | |
1455 | { | |
1456 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
1457 | struct ipr_hostrcb *hostrcb = ipr_cmd->u.hostrcb; | |
96d21f00 | 1458 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
1da177e4 LT |
1459 | |
1460 | list_del(&hostrcb->queue); | |
05a6538a | 1461 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
1da177e4 LT |
1462 | |
1463 | if (ioasc) { | |
1464 | if (ioasc != IPR_IOASC_IOA_WAS_RESET) | |
1465 | dev_err(&ioa_cfg->pdev->dev, | |
1466 | "Host RCB failed with IOASC: 0x%08X\n", ioasc); | |
1467 | ||
1468 | ipr_send_hcam(ioa_cfg, IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE, hostrcb); | |
1469 | } else { | |
1470 | ipr_handle_config_change(ioa_cfg, hostrcb); | |
1471 | } | |
1472 | } | |
1473 | ||
8cf093e2 BK |
1474 | /** |
1475 | * strip_and_pad_whitespace - Strip and pad trailing whitespace. | |
1476 | * @i: index into buffer | |
1477 | * @buf: string to modify | |
1478 | * | |
1479 | * This function will strip all trailing whitespace, pad the end | |
1480 | * of the string with a single space, and NULL terminate the string. | |
1481 | * | |
1482 | * Return value: | |
1483 | * new length of string | |
1484 | **/ | |
1485 | static int strip_and_pad_whitespace(int i, char *buf) | |
1486 | { | |
1487 | while (i && buf[i] == ' ') | |
1488 | i--; | |
1489 | buf[i+1] = ' '; | |
1490 | buf[i+2] = '\0'; | |
1491 | return i + 2; | |
1492 | } | |
1493 | ||
1494 | /** | |
1495 | * ipr_log_vpd_compact - Log the passed extended VPD compactly. | |
1496 | * @prefix: string to print at start of printk | |
1497 | * @hostrcb: hostrcb pointer | |
1498 | * @vpd: vendor/product id/sn struct | |
1499 | * | |
1500 | * Return value: | |
1501 | * none | |
1502 | **/ | |
1503 | static void ipr_log_vpd_compact(char *prefix, struct ipr_hostrcb *hostrcb, | |
1504 | struct ipr_vpd *vpd) | |
1505 | { | |
1506 | char buffer[IPR_VENDOR_ID_LEN + IPR_PROD_ID_LEN + IPR_SERIAL_NUM_LEN + 3]; | |
1507 | int i = 0; | |
1508 | ||
1509 | memcpy(buffer, vpd->vpids.vendor_id, IPR_VENDOR_ID_LEN); | |
1510 | i = strip_and_pad_whitespace(IPR_VENDOR_ID_LEN - 1, buffer); | |
1511 | ||
1512 | memcpy(&buffer[i], vpd->vpids.product_id, IPR_PROD_ID_LEN); | |
1513 | i = strip_and_pad_whitespace(i + IPR_PROD_ID_LEN - 1, buffer); | |
1514 | ||
1515 | memcpy(&buffer[i], vpd->sn, IPR_SERIAL_NUM_LEN); | |
1516 | buffer[IPR_SERIAL_NUM_LEN + i] = '\0'; | |
1517 | ||
1518 | ipr_hcam_err(hostrcb, "%s VPID/SN: %s\n", prefix, buffer); | |
1519 | } | |
1520 | ||
1da177e4 LT |
1521 | /** |
1522 | * ipr_log_vpd - Log the passed VPD to the error log. | |
cfc32139 | 1523 | * @vpd: vendor/product id/sn struct |
1da177e4 LT |
1524 | * |
1525 | * Return value: | |
1526 | * none | |
1527 | **/ | |
cfc32139 | 1528 | static void ipr_log_vpd(struct ipr_vpd *vpd) |
1da177e4 LT |
1529 | { |
1530 | char buffer[IPR_VENDOR_ID_LEN + IPR_PROD_ID_LEN | |
1531 | + IPR_SERIAL_NUM_LEN]; | |
1532 | ||
cfc32139 BK |
1533 | memcpy(buffer, vpd->vpids.vendor_id, IPR_VENDOR_ID_LEN); |
1534 | memcpy(buffer + IPR_VENDOR_ID_LEN, vpd->vpids.product_id, | |
1da177e4 LT |
1535 | IPR_PROD_ID_LEN); |
1536 | buffer[IPR_VENDOR_ID_LEN + IPR_PROD_ID_LEN] = '\0'; | |
1537 | ipr_err("Vendor/Product ID: %s\n", buffer); | |
1538 | ||
cfc32139 | 1539 | memcpy(buffer, vpd->sn, IPR_SERIAL_NUM_LEN); |
1da177e4 LT |
1540 | buffer[IPR_SERIAL_NUM_LEN] = '\0'; |
1541 | ipr_err(" Serial Number: %s\n", buffer); | |
1542 | } | |
1543 | ||
8cf093e2 BK |
1544 | /** |
1545 | * ipr_log_ext_vpd_compact - Log the passed extended VPD compactly. | |
1546 | * @prefix: string to print at start of printk | |
1547 | * @hostrcb: hostrcb pointer | |
1548 | * @vpd: vendor/product id/sn/wwn struct | |
1549 | * | |
1550 | * Return value: | |
1551 | * none | |
1552 | **/ | |
1553 | static void ipr_log_ext_vpd_compact(char *prefix, struct ipr_hostrcb *hostrcb, | |
1554 | struct ipr_ext_vpd *vpd) | |
1555 | { | |
1556 | ipr_log_vpd_compact(prefix, hostrcb, &vpd->vpd); | |
1557 | ipr_hcam_err(hostrcb, "%s WWN: %08X%08X\n", prefix, | |
1558 | be32_to_cpu(vpd->wwid[0]), be32_to_cpu(vpd->wwid[1])); | |
1559 | } | |
1560 | ||
ee0f05b8 BK |
1561 | /** |
1562 | * ipr_log_ext_vpd - Log the passed extended VPD to the error log. | |
1563 | * @vpd: vendor/product id/sn/wwn struct | |
1564 | * | |
1565 | * Return value: | |
1566 | * none | |
1567 | **/ | |
1568 | static void ipr_log_ext_vpd(struct ipr_ext_vpd *vpd) | |
1569 | { | |
1570 | ipr_log_vpd(&vpd->vpd); | |
1571 | ipr_err(" WWN: %08X%08X\n", be32_to_cpu(vpd->wwid[0]), | |
1572 | be32_to_cpu(vpd->wwid[1])); | |
1573 | } | |
1574 | ||
1575 | /** | |
1576 | * ipr_log_enhanced_cache_error - Log a cache error. | |
1577 | * @ioa_cfg: ioa config struct | |
1578 | * @hostrcb: hostrcb struct | |
1579 | * | |
1580 | * Return value: | |
1581 | * none | |
1582 | **/ | |
1583 | static void ipr_log_enhanced_cache_error(struct ipr_ioa_cfg *ioa_cfg, | |
1584 | struct ipr_hostrcb *hostrcb) | |
1585 | { | |
4565e370 WB |
1586 | struct ipr_hostrcb_type_12_error *error; |
1587 | ||
1588 | if (ioa_cfg->sis64) | |
1589 | error = &hostrcb->hcam.u.error64.u.type_12_error; | |
1590 | else | |
1591 | error = &hostrcb->hcam.u.error.u.type_12_error; | |
ee0f05b8 BK |
1592 | |
1593 | ipr_err("-----Current Configuration-----\n"); | |
1594 | ipr_err("Cache Directory Card Information:\n"); | |
1595 | ipr_log_ext_vpd(&error->ioa_vpd); | |
1596 | ipr_err("Adapter Card Information:\n"); | |
1597 | ipr_log_ext_vpd(&error->cfc_vpd); | |
1598 | ||
1599 | ipr_err("-----Expected Configuration-----\n"); | |
1600 | ipr_err("Cache Directory Card Information:\n"); | |
1601 | ipr_log_ext_vpd(&error->ioa_last_attached_to_cfc_vpd); | |
1602 | ipr_err("Adapter Card Information:\n"); | |
1603 | ipr_log_ext_vpd(&error->cfc_last_attached_to_ioa_vpd); | |
1604 | ||
1605 | ipr_err("Additional IOA Data: %08X %08X %08X\n", | |
1606 | be32_to_cpu(error->ioa_data[0]), | |
1607 | be32_to_cpu(error->ioa_data[1]), | |
1608 | be32_to_cpu(error->ioa_data[2])); | |
1609 | } | |
1610 | ||
1da177e4 LT |
1611 | /** |
1612 | * ipr_log_cache_error - Log a cache error. | |
1613 | * @ioa_cfg: ioa config struct | |
1614 | * @hostrcb: hostrcb struct | |
1615 | * | |
1616 | * Return value: | |
1617 | * none | |
1618 | **/ | |
1619 | static void ipr_log_cache_error(struct ipr_ioa_cfg *ioa_cfg, | |
1620 | struct ipr_hostrcb *hostrcb) | |
1621 | { | |
1622 | struct ipr_hostrcb_type_02_error *error = | |
1623 | &hostrcb->hcam.u.error.u.type_02_error; | |
1624 | ||
1625 | ipr_err("-----Current Configuration-----\n"); | |
1626 | ipr_err("Cache Directory Card Information:\n"); | |
cfc32139 | 1627 | ipr_log_vpd(&error->ioa_vpd); |
1da177e4 | 1628 | ipr_err("Adapter Card Information:\n"); |
cfc32139 | 1629 | ipr_log_vpd(&error->cfc_vpd); |
1da177e4 LT |
1630 | |
1631 | ipr_err("-----Expected Configuration-----\n"); | |
1632 | ipr_err("Cache Directory Card Information:\n"); | |
cfc32139 | 1633 | ipr_log_vpd(&error->ioa_last_attached_to_cfc_vpd); |
1da177e4 | 1634 | ipr_err("Adapter Card Information:\n"); |
cfc32139 | 1635 | ipr_log_vpd(&error->cfc_last_attached_to_ioa_vpd); |
1da177e4 LT |
1636 | |
1637 | ipr_err("Additional IOA Data: %08X %08X %08X\n", | |
1638 | be32_to_cpu(error->ioa_data[0]), | |
1639 | be32_to_cpu(error->ioa_data[1]), | |
1640 | be32_to_cpu(error->ioa_data[2])); | |
1641 | } | |
1642 | ||
ee0f05b8 BK |
1643 | /** |
1644 | * ipr_log_enhanced_config_error - Log a configuration error. | |
1645 | * @ioa_cfg: ioa config struct | |
1646 | * @hostrcb: hostrcb struct | |
1647 | * | |
1648 | * Return value: | |
1649 | * none | |
1650 | **/ | |
1651 | static void ipr_log_enhanced_config_error(struct ipr_ioa_cfg *ioa_cfg, | |
1652 | struct ipr_hostrcb *hostrcb) | |
1653 | { | |
1654 | int errors_logged, i; | |
1655 | struct ipr_hostrcb_device_data_entry_enhanced *dev_entry; | |
1656 | struct ipr_hostrcb_type_13_error *error; | |
1657 | ||
1658 | error = &hostrcb->hcam.u.error.u.type_13_error; | |
1659 | errors_logged = be32_to_cpu(error->errors_logged); | |
1660 | ||
1661 | ipr_err("Device Errors Detected/Logged: %d/%d\n", | |
1662 | be32_to_cpu(error->errors_detected), errors_logged); | |
1663 | ||
1664 | dev_entry = error->dev; | |
1665 | ||
1666 | for (i = 0; i < errors_logged; i++, dev_entry++) { | |
1667 | ipr_err_separator; | |
1668 | ||
1669 | ipr_phys_res_err(ioa_cfg, dev_entry->dev_res_addr, "Device %d", i + 1); | |
1670 | ipr_log_ext_vpd(&dev_entry->vpd); | |
1671 | ||
1672 | ipr_err("-----New Device Information-----\n"); | |
1673 | ipr_log_ext_vpd(&dev_entry->new_vpd); | |
1674 | ||
1675 | ipr_err("Cache Directory Card Information:\n"); | |
1676 | ipr_log_ext_vpd(&dev_entry->ioa_last_with_dev_vpd); | |
1677 | ||
1678 | ipr_err("Adapter Card Information:\n"); | |
1679 | ipr_log_ext_vpd(&dev_entry->cfc_last_with_dev_vpd); | |
1680 | } | |
1681 | } | |
1682 | ||
4565e370 WB |
1683 | /** |
1684 | * ipr_log_sis64_config_error - Log a device error. | |
1685 | * @ioa_cfg: ioa config struct | |
1686 | * @hostrcb: hostrcb struct | |
1687 | * | |
1688 | * Return value: | |
1689 | * none | |
1690 | **/ | |
1691 | static void ipr_log_sis64_config_error(struct ipr_ioa_cfg *ioa_cfg, | |
1692 | struct ipr_hostrcb *hostrcb) | |
1693 | { | |
1694 | int errors_logged, i; | |
1695 | struct ipr_hostrcb64_device_data_entry_enhanced *dev_entry; | |
1696 | struct ipr_hostrcb_type_23_error *error; | |
1697 | char buffer[IPR_MAX_RES_PATH_LENGTH]; | |
1698 | ||
1699 | error = &hostrcb->hcam.u.error64.u.type_23_error; | |
1700 | errors_logged = be32_to_cpu(error->errors_logged); | |
1701 | ||
1702 | ipr_err("Device Errors Detected/Logged: %d/%d\n", | |
1703 | be32_to_cpu(error->errors_detected), errors_logged); | |
1704 | ||
1705 | dev_entry = error->dev; | |
1706 | ||
1707 | for (i = 0; i < errors_logged; i++, dev_entry++) { | |
1708 | ipr_err_separator; | |
1709 | ||
1710 | ipr_err("Device %d : %s", i + 1, | |
b3b3b407 BK |
1711 | __ipr_format_res_path(dev_entry->res_path, |
1712 | buffer, sizeof(buffer))); | |
4565e370 WB |
1713 | ipr_log_ext_vpd(&dev_entry->vpd); |
1714 | ||
1715 | ipr_err("-----New Device Information-----\n"); | |
1716 | ipr_log_ext_vpd(&dev_entry->new_vpd); | |
1717 | ||
1718 | ipr_err("Cache Directory Card Information:\n"); | |
1719 | ipr_log_ext_vpd(&dev_entry->ioa_last_with_dev_vpd); | |
1720 | ||
1721 | ipr_err("Adapter Card Information:\n"); | |
1722 | ipr_log_ext_vpd(&dev_entry->cfc_last_with_dev_vpd); | |
1723 | } | |
1724 | } | |
1725 | ||
1da177e4 LT |
1726 | /** |
1727 | * ipr_log_config_error - Log a configuration error. | |
1728 | * @ioa_cfg: ioa config struct | |
1729 | * @hostrcb: hostrcb struct | |
1730 | * | |
1731 | * Return value: | |
1732 | * none | |
1733 | **/ | |
1734 | static void ipr_log_config_error(struct ipr_ioa_cfg *ioa_cfg, | |
1735 | struct ipr_hostrcb *hostrcb) | |
1736 | { | |
1737 | int errors_logged, i; | |
1738 | struct ipr_hostrcb_device_data_entry *dev_entry; | |
1739 | struct ipr_hostrcb_type_03_error *error; | |
1740 | ||
1741 | error = &hostrcb->hcam.u.error.u.type_03_error; | |
1742 | errors_logged = be32_to_cpu(error->errors_logged); | |
1743 | ||
1744 | ipr_err("Device Errors Detected/Logged: %d/%d\n", | |
1745 | be32_to_cpu(error->errors_detected), errors_logged); | |
1746 | ||
cfc32139 | 1747 | dev_entry = error->dev; |
1da177e4 LT |
1748 | |
1749 | for (i = 0; i < errors_logged; i++, dev_entry++) { | |
1750 | ipr_err_separator; | |
1751 | ||
fa15b1f6 | 1752 | ipr_phys_res_err(ioa_cfg, dev_entry->dev_res_addr, "Device %d", i + 1); |
cfc32139 | 1753 | ipr_log_vpd(&dev_entry->vpd); |
1da177e4 LT |
1754 | |
1755 | ipr_err("-----New Device Information-----\n"); | |
cfc32139 | 1756 | ipr_log_vpd(&dev_entry->new_vpd); |
1da177e4 LT |
1757 | |
1758 | ipr_err("Cache Directory Card Information:\n"); | |
cfc32139 | 1759 | ipr_log_vpd(&dev_entry->ioa_last_with_dev_vpd); |
1da177e4 LT |
1760 | |
1761 | ipr_err("Adapter Card Information:\n"); | |
cfc32139 | 1762 | ipr_log_vpd(&dev_entry->cfc_last_with_dev_vpd); |
1da177e4 LT |
1763 | |
1764 | ipr_err("Additional IOA Data: %08X %08X %08X %08X %08X\n", | |
1765 | be32_to_cpu(dev_entry->ioa_data[0]), | |
1766 | be32_to_cpu(dev_entry->ioa_data[1]), | |
1767 | be32_to_cpu(dev_entry->ioa_data[2]), | |
1768 | be32_to_cpu(dev_entry->ioa_data[3]), | |
1769 | be32_to_cpu(dev_entry->ioa_data[4])); | |
1770 | } | |
1771 | } | |
1772 | ||
ee0f05b8 BK |
1773 | /** |
1774 | * ipr_log_enhanced_array_error - Log an array configuration error. | |
1775 | * @ioa_cfg: ioa config struct | |
1776 | * @hostrcb: hostrcb struct | |
1777 | * | |
1778 | * Return value: | |
1779 | * none | |
1780 | **/ | |
1781 | static void ipr_log_enhanced_array_error(struct ipr_ioa_cfg *ioa_cfg, | |
1782 | struct ipr_hostrcb *hostrcb) | |
1783 | { | |
1784 | int i, num_entries; | |
1785 | struct ipr_hostrcb_type_14_error *error; | |
1786 | struct ipr_hostrcb_array_data_entry_enhanced *array_entry; | |
1787 | const u8 zero_sn[IPR_SERIAL_NUM_LEN] = { [0 ... IPR_SERIAL_NUM_LEN-1] = '0' }; | |
1788 | ||
1789 | error = &hostrcb->hcam.u.error.u.type_14_error; | |
1790 | ||
1791 | ipr_err_separator; | |
1792 | ||
1793 | ipr_err("RAID %s Array Configuration: %d:%d:%d:%d\n", | |
1794 | error->protection_level, | |
1795 | ioa_cfg->host->host_no, | |
1796 | error->last_func_vset_res_addr.bus, | |
1797 | error->last_func_vset_res_addr.target, | |
1798 | error->last_func_vset_res_addr.lun); | |
1799 | ||
1800 | ipr_err_separator; | |
1801 | ||
1802 | array_entry = error->array_member; | |
1803 | num_entries = min_t(u32, be32_to_cpu(error->num_entries), | |
7262026f | 1804 | ARRAY_SIZE(error->array_member)); |
ee0f05b8 BK |
1805 | |
1806 | for (i = 0; i < num_entries; i++, array_entry++) { | |
1807 | if (!memcmp(array_entry->vpd.vpd.sn, zero_sn, IPR_SERIAL_NUM_LEN)) | |
1808 | continue; | |
1809 | ||
1810 | if (be32_to_cpu(error->exposed_mode_adn) == i) | |
1811 | ipr_err("Exposed Array Member %d:\n", i); | |
1812 | else | |
1813 | ipr_err("Array Member %d:\n", i); | |
1814 | ||
1815 | ipr_log_ext_vpd(&array_entry->vpd); | |
1816 | ipr_phys_res_err(ioa_cfg, array_entry->dev_res_addr, "Current Location"); | |
1817 | ipr_phys_res_err(ioa_cfg, array_entry->expected_dev_res_addr, | |
1818 | "Expected Location"); | |
1819 | ||
1820 | ipr_err_separator; | |
1821 | } | |
1822 | } | |
1823 | ||
1da177e4 LT |
1824 | /** |
1825 | * ipr_log_array_error - Log an array configuration error. | |
1826 | * @ioa_cfg: ioa config struct | |
1827 | * @hostrcb: hostrcb struct | |
1828 | * | |
1829 | * Return value: | |
1830 | * none | |
1831 | **/ | |
1832 | static void ipr_log_array_error(struct ipr_ioa_cfg *ioa_cfg, | |
1833 | struct ipr_hostrcb *hostrcb) | |
1834 | { | |
1835 | int i; | |
1836 | struct ipr_hostrcb_type_04_error *error; | |
1837 | struct ipr_hostrcb_array_data_entry *array_entry; | |
1838 | const u8 zero_sn[IPR_SERIAL_NUM_LEN] = { [0 ... IPR_SERIAL_NUM_LEN-1] = '0' }; | |
1839 | ||
1840 | error = &hostrcb->hcam.u.error.u.type_04_error; | |
1841 | ||
1842 | ipr_err_separator; | |
1843 | ||
1844 | ipr_err("RAID %s Array Configuration: %d:%d:%d:%d\n", | |
1845 | error->protection_level, | |
1846 | ioa_cfg->host->host_no, | |
1847 | error->last_func_vset_res_addr.bus, | |
1848 | error->last_func_vset_res_addr.target, | |
1849 | error->last_func_vset_res_addr.lun); | |
1850 | ||
1851 | ipr_err_separator; | |
1852 | ||
1853 | array_entry = error->array_member; | |
1854 | ||
1855 | for (i = 0; i < 18; i++) { | |
cfc32139 | 1856 | if (!memcmp(array_entry->vpd.sn, zero_sn, IPR_SERIAL_NUM_LEN)) |
1da177e4 LT |
1857 | continue; |
1858 | ||
fa15b1f6 | 1859 | if (be32_to_cpu(error->exposed_mode_adn) == i) |
1da177e4 | 1860 | ipr_err("Exposed Array Member %d:\n", i); |
fa15b1f6 | 1861 | else |
1da177e4 | 1862 | ipr_err("Array Member %d:\n", i); |
1da177e4 | 1863 | |
cfc32139 | 1864 | ipr_log_vpd(&array_entry->vpd); |
1da177e4 | 1865 | |
fa15b1f6 BK |
1866 | ipr_phys_res_err(ioa_cfg, array_entry->dev_res_addr, "Current Location"); |
1867 | ipr_phys_res_err(ioa_cfg, array_entry->expected_dev_res_addr, | |
1868 | "Expected Location"); | |
1da177e4 LT |
1869 | |
1870 | ipr_err_separator; | |
1871 | ||
1872 | if (i == 9) | |
1873 | array_entry = error->array_member2; | |
1874 | else | |
1875 | array_entry++; | |
1876 | } | |
1877 | } | |
1878 | ||
1879 | /** | |
b0df54bb | 1880 | * ipr_log_hex_data - Log additional hex IOA error data. |
ac719aba | 1881 | * @ioa_cfg: ioa config struct |
b0df54bb BK |
1882 | * @data: IOA error data |
1883 | * @len: data length | |
1da177e4 LT |
1884 | * |
1885 | * Return value: | |
1886 | * none | |
1887 | **/ | |
ac719aba | 1888 | static void ipr_log_hex_data(struct ipr_ioa_cfg *ioa_cfg, u32 *data, int len) |
1da177e4 LT |
1889 | { |
1890 | int i; | |
1da177e4 | 1891 | |
b0df54bb | 1892 | if (len == 0) |
1da177e4 LT |
1893 | return; |
1894 | ||
ac719aba BK |
1895 | if (ioa_cfg->log_level <= IPR_DEFAULT_LOG_LEVEL) |
1896 | len = min_t(int, len, IPR_DEFAULT_MAX_ERROR_DUMP); | |
1897 | ||
b0df54bb | 1898 | for (i = 0; i < len / 4; i += 4) { |
1da177e4 | 1899 | ipr_err("%08X: %08X %08X %08X %08X\n", i*4, |
b0df54bb BK |
1900 | be32_to_cpu(data[i]), |
1901 | be32_to_cpu(data[i+1]), | |
1902 | be32_to_cpu(data[i+2]), | |
1903 | be32_to_cpu(data[i+3])); | |
1da177e4 LT |
1904 | } |
1905 | } | |
1906 | ||
ee0f05b8 BK |
1907 | /** |
1908 | * ipr_log_enhanced_dual_ioa_error - Log an enhanced dual adapter error. | |
1909 | * @ioa_cfg: ioa config struct | |
1910 | * @hostrcb: hostrcb struct | |
1911 | * | |
1912 | * Return value: | |
1913 | * none | |
1914 | **/ | |
1915 | static void ipr_log_enhanced_dual_ioa_error(struct ipr_ioa_cfg *ioa_cfg, | |
1916 | struct ipr_hostrcb *hostrcb) | |
1917 | { | |
1918 | struct ipr_hostrcb_type_17_error *error; | |
1919 | ||
4565e370 WB |
1920 | if (ioa_cfg->sis64) |
1921 | error = &hostrcb->hcam.u.error64.u.type_17_error; | |
1922 | else | |
1923 | error = &hostrcb->hcam.u.error.u.type_17_error; | |
1924 | ||
ee0f05b8 | 1925 | error->failure_reason[sizeof(error->failure_reason) - 1] = '\0'; |
ca54cb8c | 1926 | strim(error->failure_reason); |
ee0f05b8 | 1927 | |
8cf093e2 BK |
1928 | ipr_hcam_err(hostrcb, "%s [PRC: %08X]\n", error->failure_reason, |
1929 | be32_to_cpu(hostrcb->hcam.u.error.prc)); | |
1930 | ipr_log_ext_vpd_compact("Remote IOA", hostrcb, &error->vpd); | |
ac719aba | 1931 | ipr_log_hex_data(ioa_cfg, error->data, |
ee0f05b8 BK |
1932 | be32_to_cpu(hostrcb->hcam.length) - |
1933 | (offsetof(struct ipr_hostrcb_error, u) + | |
1934 | offsetof(struct ipr_hostrcb_type_17_error, data))); | |
1935 | } | |
1936 | ||
b0df54bb BK |
1937 | /** |
1938 | * ipr_log_dual_ioa_error - Log a dual adapter error. | |
1939 | * @ioa_cfg: ioa config struct | |
1940 | * @hostrcb: hostrcb struct | |
1941 | * | |
1942 | * Return value: | |
1943 | * none | |
1944 | **/ | |
1945 | static void ipr_log_dual_ioa_error(struct ipr_ioa_cfg *ioa_cfg, | |
1946 | struct ipr_hostrcb *hostrcb) | |
1947 | { | |
1948 | struct ipr_hostrcb_type_07_error *error; | |
1949 | ||
1950 | error = &hostrcb->hcam.u.error.u.type_07_error; | |
1951 | error->failure_reason[sizeof(error->failure_reason) - 1] = '\0'; | |
ca54cb8c | 1952 | strim(error->failure_reason); |
b0df54bb | 1953 | |
8cf093e2 BK |
1954 | ipr_hcam_err(hostrcb, "%s [PRC: %08X]\n", error->failure_reason, |
1955 | be32_to_cpu(hostrcb->hcam.u.error.prc)); | |
1956 | ipr_log_vpd_compact("Remote IOA", hostrcb, &error->vpd); | |
ac719aba | 1957 | ipr_log_hex_data(ioa_cfg, error->data, |
b0df54bb BK |
1958 | be32_to_cpu(hostrcb->hcam.length) - |
1959 | (offsetof(struct ipr_hostrcb_error, u) + | |
1960 | offsetof(struct ipr_hostrcb_type_07_error, data))); | |
1961 | } | |
1962 | ||
49dc6a18 BK |
1963 | static const struct { |
1964 | u8 active; | |
1965 | char *desc; | |
1966 | } path_active_desc[] = { | |
1967 | { IPR_PATH_NO_INFO, "Path" }, | |
1968 | { IPR_PATH_ACTIVE, "Active path" }, | |
1969 | { IPR_PATH_NOT_ACTIVE, "Inactive path" } | |
1970 | }; | |
1971 | ||
1972 | static const struct { | |
1973 | u8 state; | |
1974 | char *desc; | |
1975 | } path_state_desc[] = { | |
1976 | { IPR_PATH_STATE_NO_INFO, "has no path state information available" }, | |
1977 | { IPR_PATH_HEALTHY, "is healthy" }, | |
1978 | { IPR_PATH_DEGRADED, "is degraded" }, | |
1979 | { IPR_PATH_FAILED, "is failed" } | |
1980 | }; | |
1981 | ||
1982 | /** | |
1983 | * ipr_log_fabric_path - Log a fabric path error | |
1984 | * @hostrcb: hostrcb struct | |
1985 | * @fabric: fabric descriptor | |
1986 | * | |
1987 | * Return value: | |
1988 | * none | |
1989 | **/ | |
1990 | static void ipr_log_fabric_path(struct ipr_hostrcb *hostrcb, | |
1991 | struct ipr_hostrcb_fabric_desc *fabric) | |
1992 | { | |
1993 | int i, j; | |
1994 | u8 path_state = fabric->path_state; | |
1995 | u8 active = path_state & IPR_PATH_ACTIVE_MASK; | |
1996 | u8 state = path_state & IPR_PATH_STATE_MASK; | |
1997 | ||
1998 | for (i = 0; i < ARRAY_SIZE(path_active_desc); i++) { | |
1999 | if (path_active_desc[i].active != active) | |
2000 | continue; | |
2001 | ||
2002 | for (j = 0; j < ARRAY_SIZE(path_state_desc); j++) { | |
2003 | if (path_state_desc[j].state != state) | |
2004 | continue; | |
2005 | ||
2006 | if (fabric->cascaded_expander == 0xff && fabric->phy == 0xff) { | |
2007 | ipr_hcam_err(hostrcb, "%s %s: IOA Port=%d\n", | |
2008 | path_active_desc[i].desc, path_state_desc[j].desc, | |
2009 | fabric->ioa_port); | |
2010 | } else if (fabric->cascaded_expander == 0xff) { | |
2011 | ipr_hcam_err(hostrcb, "%s %s: IOA Port=%d, Phy=%d\n", | |
2012 | path_active_desc[i].desc, path_state_desc[j].desc, | |
2013 | fabric->ioa_port, fabric->phy); | |
2014 | } else if (fabric->phy == 0xff) { | |
2015 | ipr_hcam_err(hostrcb, "%s %s: IOA Port=%d, Cascade=%d\n", | |
2016 | path_active_desc[i].desc, path_state_desc[j].desc, | |
2017 | fabric->ioa_port, fabric->cascaded_expander); | |
2018 | } else { | |
2019 | ipr_hcam_err(hostrcb, "%s %s: IOA Port=%d, Cascade=%d, Phy=%d\n", | |
2020 | path_active_desc[i].desc, path_state_desc[j].desc, | |
2021 | fabric->ioa_port, fabric->cascaded_expander, fabric->phy); | |
2022 | } | |
2023 | return; | |
2024 | } | |
2025 | } | |
2026 | ||
2027 | ipr_err("Path state=%02X IOA Port=%d Cascade=%d Phy=%d\n", path_state, | |
2028 | fabric->ioa_port, fabric->cascaded_expander, fabric->phy); | |
2029 | } | |
2030 | ||
4565e370 WB |
2031 | /** |
2032 | * ipr_log64_fabric_path - Log a fabric path error | |
2033 | * @hostrcb: hostrcb struct | |
2034 | * @fabric: fabric descriptor | |
2035 | * | |
2036 | * Return value: | |
2037 | * none | |
2038 | **/ | |
2039 | static void ipr_log64_fabric_path(struct ipr_hostrcb *hostrcb, | |
2040 | struct ipr_hostrcb64_fabric_desc *fabric) | |
2041 | { | |
2042 | int i, j; | |
2043 | u8 path_state = fabric->path_state; | |
2044 | u8 active = path_state & IPR_PATH_ACTIVE_MASK; | |
2045 | u8 state = path_state & IPR_PATH_STATE_MASK; | |
2046 | char buffer[IPR_MAX_RES_PATH_LENGTH]; | |
2047 | ||
2048 | for (i = 0; i < ARRAY_SIZE(path_active_desc); i++) { | |
2049 | if (path_active_desc[i].active != active) | |
2050 | continue; | |
2051 | ||
2052 | for (j = 0; j < ARRAY_SIZE(path_state_desc); j++) { | |
2053 | if (path_state_desc[j].state != state) | |
2054 | continue; | |
2055 | ||
2056 | ipr_hcam_err(hostrcb, "%s %s: Resource Path=%s\n", | |
2057 | path_active_desc[i].desc, path_state_desc[j].desc, | |
b3b3b407 BK |
2058 | ipr_format_res_path(hostrcb->ioa_cfg, |
2059 | fabric->res_path, | |
2060 | buffer, sizeof(buffer))); | |
4565e370 WB |
2061 | return; |
2062 | } | |
2063 | } | |
2064 | ||
2065 | ipr_err("Path state=%02X Resource Path=%s\n", path_state, | |
b3b3b407 BK |
2066 | ipr_format_res_path(hostrcb->ioa_cfg, fabric->res_path, |
2067 | buffer, sizeof(buffer))); | |
4565e370 WB |
2068 | } |
2069 | ||
49dc6a18 BK |
2070 | static const struct { |
2071 | u8 type; | |
2072 | char *desc; | |
2073 | } path_type_desc[] = { | |
2074 | { IPR_PATH_CFG_IOA_PORT, "IOA port" }, | |
2075 | { IPR_PATH_CFG_EXP_PORT, "Expander port" }, | |
2076 | { IPR_PATH_CFG_DEVICE_PORT, "Device port" }, | |
2077 | { IPR_PATH_CFG_DEVICE_LUN, "Device LUN" } | |
2078 | }; | |
2079 | ||
2080 | static const struct { | |
2081 | u8 status; | |
2082 | char *desc; | |
2083 | } path_status_desc[] = { | |
2084 | { IPR_PATH_CFG_NO_PROB, "Functional" }, | |
2085 | { IPR_PATH_CFG_DEGRADED, "Degraded" }, | |
2086 | { IPR_PATH_CFG_FAILED, "Failed" }, | |
2087 | { IPR_PATH_CFG_SUSPECT, "Suspect" }, | |
2088 | { IPR_PATH_NOT_DETECTED, "Missing" }, | |
2089 | { IPR_PATH_INCORRECT_CONN, "Incorrectly connected" } | |
2090 | }; | |
2091 | ||
2092 | static const char *link_rate[] = { | |
2093 | "unknown", | |
2094 | "disabled", | |
2095 | "phy reset problem", | |
2096 | "spinup hold", | |
2097 | "port selector", | |
2098 | "unknown", | |
2099 | "unknown", | |
2100 | "unknown", | |
2101 | "1.5Gbps", | |
2102 | "3.0Gbps", | |
2103 | "unknown", | |
2104 | "unknown", | |
2105 | "unknown", | |
2106 | "unknown", | |
2107 | "unknown", | |
2108 | "unknown" | |
2109 | }; | |
2110 | ||
2111 | /** | |
2112 | * ipr_log_path_elem - Log a fabric path element. | |
2113 | * @hostrcb: hostrcb struct | |
2114 | * @cfg: fabric path element struct | |
2115 | * | |
2116 | * Return value: | |
2117 | * none | |
2118 | **/ | |
2119 | static void ipr_log_path_elem(struct ipr_hostrcb *hostrcb, | |
2120 | struct ipr_hostrcb_config_element *cfg) | |
2121 | { | |
2122 | int i, j; | |
2123 | u8 type = cfg->type_status & IPR_PATH_CFG_TYPE_MASK; | |
2124 | u8 status = cfg->type_status & IPR_PATH_CFG_STATUS_MASK; | |
2125 | ||
2126 | if (type == IPR_PATH_CFG_NOT_EXIST) | |
2127 | return; | |
2128 | ||
2129 | for (i = 0; i < ARRAY_SIZE(path_type_desc); i++) { | |
2130 | if (path_type_desc[i].type != type) | |
2131 | continue; | |
2132 | ||
2133 | for (j = 0; j < ARRAY_SIZE(path_status_desc); j++) { | |
2134 | if (path_status_desc[j].status != status) | |
2135 | continue; | |
2136 | ||
2137 | if (type == IPR_PATH_CFG_IOA_PORT) { | |
2138 | ipr_hcam_err(hostrcb, "%s %s: Phy=%d, Link rate=%s, WWN=%08X%08X\n", | |
2139 | path_status_desc[j].desc, path_type_desc[i].desc, | |
2140 | cfg->phy, link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], | |
2141 | be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); | |
2142 | } else { | |
2143 | if (cfg->cascaded_expander == 0xff && cfg->phy == 0xff) { | |
2144 | ipr_hcam_err(hostrcb, "%s %s: Link rate=%s, WWN=%08X%08X\n", | |
2145 | path_status_desc[j].desc, path_type_desc[i].desc, | |
2146 | link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], | |
2147 | be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); | |
2148 | } else if (cfg->cascaded_expander == 0xff) { | |
2149 | ipr_hcam_err(hostrcb, "%s %s: Phy=%d, Link rate=%s, " | |
2150 | "WWN=%08X%08X\n", path_status_desc[j].desc, | |
2151 | path_type_desc[i].desc, cfg->phy, | |
2152 | link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], | |
2153 | be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); | |
2154 | } else if (cfg->phy == 0xff) { | |
2155 | ipr_hcam_err(hostrcb, "%s %s: Cascade=%d, Link rate=%s, " | |
2156 | "WWN=%08X%08X\n", path_status_desc[j].desc, | |
2157 | path_type_desc[i].desc, cfg->cascaded_expander, | |
2158 | link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], | |
2159 | be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); | |
2160 | } else { | |
2161 | ipr_hcam_err(hostrcb, "%s %s: Cascade=%d, Phy=%d, Link rate=%s " | |
2162 | "WWN=%08X%08X\n", path_status_desc[j].desc, | |
2163 | path_type_desc[i].desc, cfg->cascaded_expander, cfg->phy, | |
2164 | link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], | |
2165 | be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); | |
2166 | } | |
2167 | } | |
2168 | return; | |
2169 | } | |
2170 | } | |
2171 | ||
2172 | ipr_hcam_err(hostrcb, "Path element=%02X: Cascade=%d Phy=%d Link rate=%s " | |
2173 | "WWN=%08X%08X\n", cfg->type_status, cfg->cascaded_expander, cfg->phy, | |
2174 | link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], | |
2175 | be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); | |
2176 | } | |
2177 | ||
4565e370 WB |
2178 | /** |
2179 | * ipr_log64_path_elem - Log a fabric path element. | |
2180 | * @hostrcb: hostrcb struct | |
2181 | * @cfg: fabric path element struct | |
2182 | * | |
2183 | * Return value: | |
2184 | * none | |
2185 | **/ | |
2186 | static void ipr_log64_path_elem(struct ipr_hostrcb *hostrcb, | |
2187 | struct ipr_hostrcb64_config_element *cfg) | |
2188 | { | |
2189 | int i, j; | |
2190 | u8 desc_id = cfg->descriptor_id & IPR_DESCRIPTOR_MASK; | |
2191 | u8 type = cfg->type_status & IPR_PATH_CFG_TYPE_MASK; | |
2192 | u8 status = cfg->type_status & IPR_PATH_CFG_STATUS_MASK; | |
2193 | char buffer[IPR_MAX_RES_PATH_LENGTH]; | |
2194 | ||
2195 | if (type == IPR_PATH_CFG_NOT_EXIST || desc_id != IPR_DESCRIPTOR_SIS64) | |
2196 | return; | |
2197 | ||
2198 | for (i = 0; i < ARRAY_SIZE(path_type_desc); i++) { | |
2199 | if (path_type_desc[i].type != type) | |
2200 | continue; | |
2201 | ||
2202 | for (j = 0; j < ARRAY_SIZE(path_status_desc); j++) { | |
2203 | if (path_status_desc[j].status != status) | |
2204 | continue; | |
2205 | ||
2206 | ipr_hcam_err(hostrcb, "%s %s: Resource Path=%s, Link rate=%s, WWN=%08X%08X\n", | |
2207 | path_status_desc[j].desc, path_type_desc[i].desc, | |
b3b3b407 BK |
2208 | ipr_format_res_path(hostrcb->ioa_cfg, |
2209 | cfg->res_path, buffer, sizeof(buffer)), | |
2210 | link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], | |
2211 | be32_to_cpu(cfg->wwid[0]), | |
2212 | be32_to_cpu(cfg->wwid[1])); | |
4565e370 WB |
2213 | return; |
2214 | } | |
2215 | } | |
2216 | ipr_hcam_err(hostrcb, "Path element=%02X: Resource Path=%s, Link rate=%s " | |
2217 | "WWN=%08X%08X\n", cfg->type_status, | |
b3b3b407 BK |
2218 | ipr_format_res_path(hostrcb->ioa_cfg, |
2219 | cfg->res_path, buffer, sizeof(buffer)), | |
2220 | link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], | |
2221 | be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); | |
4565e370 WB |
2222 | } |
2223 | ||
49dc6a18 BK |
2224 | /** |
2225 | * ipr_log_fabric_error - Log a fabric error. | |
2226 | * @ioa_cfg: ioa config struct | |
2227 | * @hostrcb: hostrcb struct | |
2228 | * | |
2229 | * Return value: | |
2230 | * none | |
2231 | **/ | |
2232 | static void ipr_log_fabric_error(struct ipr_ioa_cfg *ioa_cfg, | |
2233 | struct ipr_hostrcb *hostrcb) | |
2234 | { | |
2235 | struct ipr_hostrcb_type_20_error *error; | |
2236 | struct ipr_hostrcb_fabric_desc *fabric; | |
2237 | struct ipr_hostrcb_config_element *cfg; | |
2238 | int i, add_len; | |
2239 | ||
2240 | error = &hostrcb->hcam.u.error.u.type_20_error; | |
2241 | error->failure_reason[sizeof(error->failure_reason) - 1] = '\0'; | |
2242 | ipr_hcam_err(hostrcb, "%s\n", error->failure_reason); | |
2243 | ||
2244 | add_len = be32_to_cpu(hostrcb->hcam.length) - | |
2245 | (offsetof(struct ipr_hostrcb_error, u) + | |
2246 | offsetof(struct ipr_hostrcb_type_20_error, desc)); | |
2247 | ||
2248 | for (i = 0, fabric = error->desc; i < error->num_entries; i++) { | |
2249 | ipr_log_fabric_path(hostrcb, fabric); | |
2250 | for_each_fabric_cfg(fabric, cfg) | |
2251 | ipr_log_path_elem(hostrcb, cfg); | |
2252 | ||
2253 | add_len -= be16_to_cpu(fabric->length); | |
2254 | fabric = (struct ipr_hostrcb_fabric_desc *) | |
2255 | ((unsigned long)fabric + be16_to_cpu(fabric->length)); | |
2256 | } | |
2257 | ||
ac719aba | 2258 | ipr_log_hex_data(ioa_cfg, (u32 *)fabric, add_len); |
49dc6a18 BK |
2259 | } |
2260 | ||
4565e370 WB |
2261 | /** |
2262 | * ipr_log_sis64_array_error - Log a sis64 array error. | |
2263 | * @ioa_cfg: ioa config struct | |
2264 | * @hostrcb: hostrcb struct | |
2265 | * | |
2266 | * Return value: | |
2267 | * none | |
2268 | **/ | |
2269 | static void ipr_log_sis64_array_error(struct ipr_ioa_cfg *ioa_cfg, | |
2270 | struct ipr_hostrcb *hostrcb) | |
2271 | { | |
2272 | int i, num_entries; | |
2273 | struct ipr_hostrcb_type_24_error *error; | |
2274 | struct ipr_hostrcb64_array_data_entry *array_entry; | |
2275 | char buffer[IPR_MAX_RES_PATH_LENGTH]; | |
2276 | const u8 zero_sn[IPR_SERIAL_NUM_LEN] = { [0 ... IPR_SERIAL_NUM_LEN-1] = '0' }; | |
2277 | ||
2278 | error = &hostrcb->hcam.u.error64.u.type_24_error; | |
2279 | ||
2280 | ipr_err_separator; | |
2281 | ||
2282 | ipr_err("RAID %s Array Configuration: %s\n", | |
2283 | error->protection_level, | |
b3b3b407 BK |
2284 | ipr_format_res_path(ioa_cfg, error->last_res_path, |
2285 | buffer, sizeof(buffer))); | |
4565e370 WB |
2286 | |
2287 | ipr_err_separator; | |
2288 | ||
2289 | array_entry = error->array_member; | |
7262026f WB |
2290 | num_entries = min_t(u32, error->num_entries, |
2291 | ARRAY_SIZE(error->array_member)); | |
4565e370 WB |
2292 | |
2293 | for (i = 0; i < num_entries; i++, array_entry++) { | |
2294 | ||
2295 | if (!memcmp(array_entry->vpd.vpd.sn, zero_sn, IPR_SERIAL_NUM_LEN)) | |
2296 | continue; | |
2297 | ||
2298 | if (error->exposed_mode_adn == i) | |
2299 | ipr_err("Exposed Array Member %d:\n", i); | |
2300 | else | |
2301 | ipr_err("Array Member %d:\n", i); | |
2302 | ||
2303 | ipr_err("Array Member %d:\n", i); | |
2304 | ipr_log_ext_vpd(&array_entry->vpd); | |
7262026f | 2305 | ipr_err("Current Location: %s\n", |
b3b3b407 BK |
2306 | ipr_format_res_path(ioa_cfg, array_entry->res_path, |
2307 | buffer, sizeof(buffer))); | |
7262026f | 2308 | ipr_err("Expected Location: %s\n", |
b3b3b407 BK |
2309 | ipr_format_res_path(ioa_cfg, |
2310 | array_entry->expected_res_path, | |
2311 | buffer, sizeof(buffer))); | |
4565e370 WB |
2312 | |
2313 | ipr_err_separator; | |
2314 | } | |
2315 | } | |
2316 | ||
2317 | /** | |
2318 | * ipr_log_sis64_fabric_error - Log a sis64 fabric error. | |
2319 | * @ioa_cfg: ioa config struct | |
2320 | * @hostrcb: hostrcb struct | |
2321 | * | |
2322 | * Return value: | |
2323 | * none | |
2324 | **/ | |
2325 | static void ipr_log_sis64_fabric_error(struct ipr_ioa_cfg *ioa_cfg, | |
2326 | struct ipr_hostrcb *hostrcb) | |
2327 | { | |
2328 | struct ipr_hostrcb_type_30_error *error; | |
2329 | struct ipr_hostrcb64_fabric_desc *fabric; | |
2330 | struct ipr_hostrcb64_config_element *cfg; | |
2331 | int i, add_len; | |
2332 | ||
2333 | error = &hostrcb->hcam.u.error64.u.type_30_error; | |
2334 | ||
2335 | error->failure_reason[sizeof(error->failure_reason) - 1] = '\0'; | |
2336 | ipr_hcam_err(hostrcb, "%s\n", error->failure_reason); | |
2337 | ||
2338 | add_len = be32_to_cpu(hostrcb->hcam.length) - | |
2339 | (offsetof(struct ipr_hostrcb64_error, u) + | |
2340 | offsetof(struct ipr_hostrcb_type_30_error, desc)); | |
2341 | ||
2342 | for (i = 0, fabric = error->desc; i < error->num_entries; i++) { | |
2343 | ipr_log64_fabric_path(hostrcb, fabric); | |
2344 | for_each_fabric_cfg(fabric, cfg) | |
2345 | ipr_log64_path_elem(hostrcb, cfg); | |
2346 | ||
2347 | add_len -= be16_to_cpu(fabric->length); | |
2348 | fabric = (struct ipr_hostrcb64_fabric_desc *) | |
2349 | ((unsigned long)fabric + be16_to_cpu(fabric->length)); | |
2350 | } | |
2351 | ||
2352 | ipr_log_hex_data(ioa_cfg, (u32 *)fabric, add_len); | |
2353 | } | |
2354 | ||
b0df54bb BK |
2355 | /** |
2356 | * ipr_log_generic_error - Log an adapter error. | |
2357 | * @ioa_cfg: ioa config struct | |
2358 | * @hostrcb: hostrcb struct | |
2359 | * | |
2360 | * Return value: | |
2361 | * none | |
2362 | **/ | |
2363 | static void ipr_log_generic_error(struct ipr_ioa_cfg *ioa_cfg, | |
2364 | struct ipr_hostrcb *hostrcb) | |
2365 | { | |
ac719aba | 2366 | ipr_log_hex_data(ioa_cfg, hostrcb->hcam.u.raw.data, |
b0df54bb BK |
2367 | be32_to_cpu(hostrcb->hcam.length)); |
2368 | } | |
2369 | ||
169b9ec8 WX |
2370 | /** |
2371 | * ipr_log_sis64_device_error - Log a cache error. | |
2372 | * @ioa_cfg: ioa config struct | |
2373 | * @hostrcb: hostrcb struct | |
2374 | * | |
2375 | * Return value: | |
2376 | * none | |
2377 | **/ | |
2378 | static void ipr_log_sis64_device_error(struct ipr_ioa_cfg *ioa_cfg, | |
2379 | struct ipr_hostrcb *hostrcb) | |
2380 | { | |
2381 | struct ipr_hostrcb_type_21_error *error; | |
2382 | char buffer[IPR_MAX_RES_PATH_LENGTH]; | |
2383 | ||
2384 | error = &hostrcb->hcam.u.error64.u.type_21_error; | |
2385 | ||
2386 | ipr_err("-----Failing Device Information-----\n"); | |
2387 | ipr_err("World Wide Unique ID: %08X%08X%08X%08X\n", | |
2388 | be32_to_cpu(error->wwn[0]), be32_to_cpu(error->wwn[1]), | |
2389 | be32_to_cpu(error->wwn[2]), be32_to_cpu(error->wwn[3])); | |
2390 | ipr_err("Device Resource Path: %s\n", | |
2391 | __ipr_format_res_path(error->res_path, | |
2392 | buffer, sizeof(buffer))); | |
2393 | error->primary_problem_desc[sizeof(error->primary_problem_desc) - 1] = '\0'; | |
2394 | error->second_problem_desc[sizeof(error->second_problem_desc) - 1] = '\0'; | |
2395 | ipr_err("Primary Problem Description: %s\n", error->primary_problem_desc); | |
2396 | ipr_err("Secondary Problem Description: %s\n", error->second_problem_desc); | |
2397 | ipr_err("SCSI Sense Data:\n"); | |
2398 | ipr_log_hex_data(ioa_cfg, error->sense_data, sizeof(error->sense_data)); | |
2399 | ipr_err("SCSI Command Descriptor Block: \n"); | |
2400 | ipr_log_hex_data(ioa_cfg, error->cdb, sizeof(error->cdb)); | |
2401 | ||
2402 | ipr_err("Additional IOA Data:\n"); | |
2403 | ipr_log_hex_data(ioa_cfg, error->ioa_data, be32_to_cpu(error->length_of_error)); | |
2404 | } | |
2405 | ||
1da177e4 LT |
2406 | /** |
2407 | * ipr_get_error - Find the specfied IOASC in the ipr_error_table. | |
2408 | * @ioasc: IOASC | |
2409 | * | |
2410 | * This function will return the index of into the ipr_error_table | |
2411 | * for the specified IOASC. If the IOASC is not in the table, | |
2412 | * 0 will be returned, which points to the entry used for unknown errors. | |
2413 | * | |
2414 | * Return value: | |
2415 | * index into the ipr_error_table | |
2416 | **/ | |
2417 | static u32 ipr_get_error(u32 ioasc) | |
2418 | { | |
2419 | int i; | |
2420 | ||
2421 | for (i = 0; i < ARRAY_SIZE(ipr_error_table); i++) | |
35a39691 | 2422 | if (ipr_error_table[i].ioasc == (ioasc & IPR_IOASC_IOASC_MASK)) |
1da177e4 LT |
2423 | return i; |
2424 | ||
2425 | return 0; | |
2426 | } | |
2427 | ||
2428 | /** | |
2429 | * ipr_handle_log_data - Log an adapter error. | |
2430 | * @ioa_cfg: ioa config struct | |
2431 | * @hostrcb: hostrcb struct | |
2432 | * | |
2433 | * This function logs an adapter error to the system. | |
2434 | * | |
2435 | * Return value: | |
2436 | * none | |
2437 | **/ | |
2438 | static void ipr_handle_log_data(struct ipr_ioa_cfg *ioa_cfg, | |
2439 | struct ipr_hostrcb *hostrcb) | |
2440 | { | |
2441 | u32 ioasc; | |
2442 | int error_index; | |
3185ea63 | 2443 | struct ipr_hostrcb_type_21_error *error; |
1da177e4 LT |
2444 | |
2445 | if (hostrcb->hcam.notify_type != IPR_HOST_RCB_NOTIF_TYPE_ERROR_LOG_ENTRY) | |
2446 | return; | |
2447 | ||
2448 | if (hostrcb->hcam.notifications_lost == IPR_HOST_RCB_NOTIFICATIONS_LOST) | |
2449 | dev_err(&ioa_cfg->pdev->dev, "Error notifications lost\n"); | |
2450 | ||
4565e370 WB |
2451 | if (ioa_cfg->sis64) |
2452 | ioasc = be32_to_cpu(hostrcb->hcam.u.error64.fd_ioasc); | |
2453 | else | |
2454 | ioasc = be32_to_cpu(hostrcb->hcam.u.error.fd_ioasc); | |
1da177e4 | 2455 | |
4565e370 WB |
2456 | if (!ioa_cfg->sis64 && (ioasc == IPR_IOASC_BUS_WAS_RESET || |
2457 | ioasc == IPR_IOASC_BUS_WAS_RESET_BY_OTHER)) { | |
1da177e4 LT |
2458 | /* Tell the midlayer we had a bus reset so it will handle the UA properly */ |
2459 | scsi_report_bus_reset(ioa_cfg->host, | |
4565e370 | 2460 | hostrcb->hcam.u.error.fd_res_addr.bus); |
1da177e4 LT |
2461 | } |
2462 | ||
2463 | error_index = ipr_get_error(ioasc); | |
2464 | ||
2465 | if (!ipr_error_table[error_index].log_hcam) | |
2466 | return; | |
2467 | ||
3185ea63 | 2468 | if (ioasc == IPR_IOASC_HW_CMD_FAILED && |
2469 | hostrcb->hcam.overlay_id == IPR_HOST_RCB_OVERLAY_ID_21) { | |
2470 | error = &hostrcb->hcam.u.error64.u.type_21_error; | |
2471 | ||
2472 | if (((be32_to_cpu(error->sense_data[0]) & 0x0000ff00) >> 8) == ILLEGAL_REQUEST && | |
2473 | ioa_cfg->log_level <= IPR_DEFAULT_LOG_LEVEL) | |
2474 | return; | |
2475 | } | |
2476 | ||
49dc6a18 | 2477 | ipr_hcam_err(hostrcb, "%s\n", ipr_error_table[error_index].error); |
1da177e4 LT |
2478 | |
2479 | /* Set indication we have logged an error */ | |
2480 | ioa_cfg->errors_logged++; | |
2481 | ||
933916f3 | 2482 | if (ioa_cfg->log_level < ipr_error_table[error_index].log_hcam) |
1da177e4 | 2483 | return; |
cf852037 BK |
2484 | if (be32_to_cpu(hostrcb->hcam.length) > sizeof(hostrcb->hcam.u.raw)) |
2485 | hostrcb->hcam.length = cpu_to_be32(sizeof(hostrcb->hcam.u.raw)); | |
1da177e4 LT |
2486 | |
2487 | switch (hostrcb->hcam.overlay_id) { | |
1da177e4 LT |
2488 | case IPR_HOST_RCB_OVERLAY_ID_2: |
2489 | ipr_log_cache_error(ioa_cfg, hostrcb); | |
2490 | break; | |
2491 | case IPR_HOST_RCB_OVERLAY_ID_3: | |
2492 | ipr_log_config_error(ioa_cfg, hostrcb); | |
2493 | break; | |
2494 | case IPR_HOST_RCB_OVERLAY_ID_4: | |
2495 | case IPR_HOST_RCB_OVERLAY_ID_6: | |
2496 | ipr_log_array_error(ioa_cfg, hostrcb); | |
2497 | break; | |
b0df54bb BK |
2498 | case IPR_HOST_RCB_OVERLAY_ID_7: |
2499 | ipr_log_dual_ioa_error(ioa_cfg, hostrcb); | |
2500 | break; | |
ee0f05b8 BK |
2501 | case IPR_HOST_RCB_OVERLAY_ID_12: |
2502 | ipr_log_enhanced_cache_error(ioa_cfg, hostrcb); | |
2503 | break; | |
2504 | case IPR_HOST_RCB_OVERLAY_ID_13: | |
2505 | ipr_log_enhanced_config_error(ioa_cfg, hostrcb); | |
2506 | break; | |
2507 | case IPR_HOST_RCB_OVERLAY_ID_14: | |
2508 | case IPR_HOST_RCB_OVERLAY_ID_16: | |
2509 | ipr_log_enhanced_array_error(ioa_cfg, hostrcb); | |
2510 | break; | |
2511 | case IPR_HOST_RCB_OVERLAY_ID_17: | |
2512 | ipr_log_enhanced_dual_ioa_error(ioa_cfg, hostrcb); | |
2513 | break; | |
49dc6a18 BK |
2514 | case IPR_HOST_RCB_OVERLAY_ID_20: |
2515 | ipr_log_fabric_error(ioa_cfg, hostrcb); | |
2516 | break; | |
169b9ec8 WX |
2517 | case IPR_HOST_RCB_OVERLAY_ID_21: |
2518 | ipr_log_sis64_device_error(ioa_cfg, hostrcb); | |
2519 | break; | |
4565e370 WB |
2520 | case IPR_HOST_RCB_OVERLAY_ID_23: |
2521 | ipr_log_sis64_config_error(ioa_cfg, hostrcb); | |
2522 | break; | |
2523 | case IPR_HOST_RCB_OVERLAY_ID_24: | |
2524 | case IPR_HOST_RCB_OVERLAY_ID_26: | |
2525 | ipr_log_sis64_array_error(ioa_cfg, hostrcb); | |
2526 | break; | |
2527 | case IPR_HOST_RCB_OVERLAY_ID_30: | |
2528 | ipr_log_sis64_fabric_error(ioa_cfg, hostrcb); | |
2529 | break; | |
cf852037 | 2530 | case IPR_HOST_RCB_OVERLAY_ID_1: |
1da177e4 | 2531 | case IPR_HOST_RCB_OVERLAY_ID_DEFAULT: |
1da177e4 | 2532 | default: |
a9cfca96 | 2533 | ipr_log_generic_error(ioa_cfg, hostrcb); |
1da177e4 LT |
2534 | break; |
2535 | } | |
2536 | } | |
2537 | ||
2538 | /** | |
2539 | * ipr_process_error - Op done function for an adapter error log. | |
2540 | * @ipr_cmd: ipr command struct | |
2541 | * | |
2542 | * This function is the op done function for an error log host | |
2543 | * controlled async from the adapter. It will log the error and | |
2544 | * send the HCAM back to the adapter. | |
2545 | * | |
2546 | * Return value: | |
2547 | * none | |
2548 | **/ | |
2549 | static void ipr_process_error(struct ipr_cmnd *ipr_cmd) | |
2550 | { | |
2551 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
2552 | struct ipr_hostrcb *hostrcb = ipr_cmd->u.hostrcb; | |
96d21f00 | 2553 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
4565e370 WB |
2554 | u32 fd_ioasc; |
2555 | ||
2556 | if (ioa_cfg->sis64) | |
2557 | fd_ioasc = be32_to_cpu(hostrcb->hcam.u.error64.fd_ioasc); | |
2558 | else | |
2559 | fd_ioasc = be32_to_cpu(hostrcb->hcam.u.error.fd_ioasc); | |
1da177e4 LT |
2560 | |
2561 | list_del(&hostrcb->queue); | |
05a6538a | 2562 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
1da177e4 LT |
2563 | |
2564 | if (!ioasc) { | |
2565 | ipr_handle_log_data(ioa_cfg, hostrcb); | |
65f56475 BK |
2566 | if (fd_ioasc == IPR_IOASC_NR_IOA_RESET_REQUIRED) |
2567 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_ABBREV); | |
1da177e4 LT |
2568 | } else if (ioasc != IPR_IOASC_IOA_WAS_RESET) { |
2569 | dev_err(&ioa_cfg->pdev->dev, | |
2570 | "Host RCB failed with IOASC: 0x%08X\n", ioasc); | |
2571 | } | |
2572 | ||
2573 | ipr_send_hcam(ioa_cfg, IPR_HCAM_CDB_OP_CODE_LOG_DATA, hostrcb); | |
2574 | } | |
2575 | ||
2576 | /** | |
2577 | * ipr_timeout - An internally generated op has timed out. | |
2578 | * @ipr_cmd: ipr command struct | |
2579 | * | |
2580 | * This function blocks host requests and initiates an | |
2581 | * adapter reset. | |
2582 | * | |
2583 | * Return value: | |
2584 | * none | |
2585 | **/ | |
2586 | static void ipr_timeout(struct ipr_cmnd *ipr_cmd) | |
2587 | { | |
2588 | unsigned long lock_flags = 0; | |
2589 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
2590 | ||
2591 | ENTER; | |
2592 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
2593 | ||
2594 | ioa_cfg->errors_logged++; | |
2595 | dev_err(&ioa_cfg->pdev->dev, | |
2596 | "Adapter being reset due to command timeout.\n"); | |
2597 | ||
2598 | if (WAIT_FOR_DUMP == ioa_cfg->sdt_state) | |
2599 | ioa_cfg->sdt_state = GET_DUMP; | |
2600 | ||
2601 | if (!ioa_cfg->in_reset_reload || ioa_cfg->reset_cmd == ipr_cmd) | |
2602 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); | |
2603 | ||
2604 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
2605 | LEAVE; | |
2606 | } | |
2607 | ||
2608 | /** | |
2609 | * ipr_oper_timeout - Adapter timed out transitioning to operational | |
2610 | * @ipr_cmd: ipr command struct | |
2611 | * | |
2612 | * This function blocks host requests and initiates an | |
2613 | * adapter reset. | |
2614 | * | |
2615 | * Return value: | |
2616 | * none | |
2617 | **/ | |
2618 | static void ipr_oper_timeout(struct ipr_cmnd *ipr_cmd) | |
2619 | { | |
2620 | unsigned long lock_flags = 0; | |
2621 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
2622 | ||
2623 | ENTER; | |
2624 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
2625 | ||
2626 | ioa_cfg->errors_logged++; | |
2627 | dev_err(&ioa_cfg->pdev->dev, | |
2628 | "Adapter timed out transitioning to operational.\n"); | |
2629 | ||
2630 | if (WAIT_FOR_DUMP == ioa_cfg->sdt_state) | |
2631 | ioa_cfg->sdt_state = GET_DUMP; | |
2632 | ||
2633 | if (!ioa_cfg->in_reset_reload || ioa_cfg->reset_cmd == ipr_cmd) { | |
2634 | if (ipr_fastfail) | |
2635 | ioa_cfg->reset_retries += IPR_NUM_RESET_RELOAD_RETRIES; | |
2636 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); | |
2637 | } | |
2638 | ||
2639 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
2640 | LEAVE; | |
2641 | } | |
2642 | ||
1da177e4 LT |
2643 | /** |
2644 | * ipr_find_ses_entry - Find matching SES in SES table | |
2645 | * @res: resource entry struct of SES | |
2646 | * | |
2647 | * Return value: | |
2648 | * pointer to SES table entry / NULL on failure | |
2649 | **/ | |
2650 | static const struct ipr_ses_table_entry * | |
2651 | ipr_find_ses_entry(struct ipr_resource_entry *res) | |
2652 | { | |
2653 | int i, j, matches; | |
3e7ebdfa | 2654 | struct ipr_std_inq_vpids *vpids; |
1da177e4 LT |
2655 | const struct ipr_ses_table_entry *ste = ipr_ses_table; |
2656 | ||
2657 | for (i = 0; i < ARRAY_SIZE(ipr_ses_table); i++, ste++) { | |
2658 | for (j = 0, matches = 0; j < IPR_PROD_ID_LEN; j++) { | |
2659 | if (ste->compare_product_id_byte[j] == 'X') { | |
3e7ebdfa WB |
2660 | vpids = &res->std_inq_data.vpids; |
2661 | if (vpids->product_id[j] == ste->product_id[j]) | |
1da177e4 LT |
2662 | matches++; |
2663 | else | |
2664 | break; | |
2665 | } else | |
2666 | matches++; | |
2667 | } | |
2668 | ||
2669 | if (matches == IPR_PROD_ID_LEN) | |
2670 | return ste; | |
2671 | } | |
2672 | ||
2673 | return NULL; | |
2674 | } | |
2675 | ||
2676 | /** | |
2677 | * ipr_get_max_scsi_speed - Determine max SCSI speed for a given bus | |
2678 | * @ioa_cfg: ioa config struct | |
2679 | * @bus: SCSI bus | |
2680 | * @bus_width: bus width | |
2681 | * | |
2682 | * Return value: | |
2683 | * SCSI bus speed in units of 100KHz, 1600 is 160 MHz | |
2684 | * For a 2-byte wide SCSI bus, the maximum transfer speed is | |
2685 | * twice the maximum transfer rate (e.g. for a wide enabled bus, | |
2686 | * max 160MHz = max 320MB/sec). | |
2687 | **/ | |
2688 | static u32 ipr_get_max_scsi_speed(struct ipr_ioa_cfg *ioa_cfg, u8 bus, u8 bus_width) | |
2689 | { | |
2690 | struct ipr_resource_entry *res; | |
2691 | const struct ipr_ses_table_entry *ste; | |
2692 | u32 max_xfer_rate = IPR_MAX_SCSI_RATE(bus_width); | |
2693 | ||
2694 | /* Loop through each config table entry in the config table buffer */ | |
2695 | list_for_each_entry(res, &ioa_cfg->used_res_q, queue) { | |
3e7ebdfa | 2696 | if (!(IPR_IS_SES_DEVICE(res->std_inq_data))) |
1da177e4 LT |
2697 | continue; |
2698 | ||
3e7ebdfa | 2699 | if (bus != res->bus) |
1da177e4 LT |
2700 | continue; |
2701 | ||
2702 | if (!(ste = ipr_find_ses_entry(res))) | |
2703 | continue; | |
2704 | ||
2705 | max_xfer_rate = (ste->max_bus_speed_limit * 10) / (bus_width / 8); | |
2706 | } | |
2707 | ||
2708 | return max_xfer_rate; | |
2709 | } | |
2710 | ||
2711 | /** | |
2712 | * ipr_wait_iodbg_ack - Wait for an IODEBUG ACK from the IOA | |
2713 | * @ioa_cfg: ioa config struct | |
2714 | * @max_delay: max delay in micro-seconds to wait | |
2715 | * | |
2716 | * Waits for an IODEBUG ACK from the IOA, doing busy looping. | |
2717 | * | |
2718 | * Return value: | |
2719 | * 0 on success / other on failure | |
2720 | **/ | |
2721 | static int ipr_wait_iodbg_ack(struct ipr_ioa_cfg *ioa_cfg, int max_delay) | |
2722 | { | |
2723 | volatile u32 pcii_reg; | |
2724 | int delay = 1; | |
2725 | ||
2726 | /* Read interrupt reg until IOA signals IO Debug Acknowledge */ | |
2727 | while (delay < max_delay) { | |
2728 | pcii_reg = readl(ioa_cfg->regs.sense_interrupt_reg); | |
2729 | ||
2730 | if (pcii_reg & IPR_PCII_IO_DEBUG_ACKNOWLEDGE) | |
2731 | return 0; | |
2732 | ||
2733 | /* udelay cannot be used if delay is more than a few milliseconds */ | |
2734 | if ((delay / 1000) > MAX_UDELAY_MS) | |
2735 | mdelay(delay / 1000); | |
2736 | else | |
2737 | udelay(delay); | |
2738 | ||
2739 | delay += delay; | |
2740 | } | |
2741 | return -EIO; | |
2742 | } | |
2743 | ||
dcbad00e WB |
2744 | /** |
2745 | * ipr_get_sis64_dump_data_section - Dump IOA memory | |
2746 | * @ioa_cfg: ioa config struct | |
2747 | * @start_addr: adapter address to dump | |
2748 | * @dest: destination kernel buffer | |
2749 | * @length_in_words: length to dump in 4 byte words | |
2750 | * | |
2751 | * Return value: | |
2752 | * 0 on success | |
2753 | **/ | |
2754 | static int ipr_get_sis64_dump_data_section(struct ipr_ioa_cfg *ioa_cfg, | |
2755 | u32 start_addr, | |
2756 | __be32 *dest, u32 length_in_words) | |
2757 | { | |
2758 | int i; | |
2759 | ||
2760 | for (i = 0; i < length_in_words; i++) { | |
2761 | writel(start_addr+(i*4), ioa_cfg->regs.dump_addr_reg); | |
2762 | *dest = cpu_to_be32(readl(ioa_cfg->regs.dump_data_reg)); | |
2763 | dest++; | |
2764 | } | |
2765 | ||
2766 | return 0; | |
2767 | } | |
2768 | ||
1da177e4 LT |
2769 | /** |
2770 | * ipr_get_ldump_data_section - Dump IOA memory | |
2771 | * @ioa_cfg: ioa config struct | |
2772 | * @start_addr: adapter address to dump | |
2773 | * @dest: destination kernel buffer | |
2774 | * @length_in_words: length to dump in 4 byte words | |
2775 | * | |
2776 | * Return value: | |
2777 | * 0 on success / -EIO on failure | |
2778 | **/ | |
2779 | static int ipr_get_ldump_data_section(struct ipr_ioa_cfg *ioa_cfg, | |
2780 | u32 start_addr, | |
2781 | __be32 *dest, u32 length_in_words) | |
2782 | { | |
2783 | volatile u32 temp_pcii_reg; | |
2784 | int i, delay = 0; | |
2785 | ||
dcbad00e WB |
2786 | if (ioa_cfg->sis64) |
2787 | return ipr_get_sis64_dump_data_section(ioa_cfg, start_addr, | |
2788 | dest, length_in_words); | |
2789 | ||
1da177e4 LT |
2790 | /* Write IOA interrupt reg starting LDUMP state */ |
2791 | writel((IPR_UPROCI_RESET_ALERT | IPR_UPROCI_IO_DEBUG_ALERT), | |
214777ba | 2792 | ioa_cfg->regs.set_uproc_interrupt_reg32); |
1da177e4 LT |
2793 | |
2794 | /* Wait for IO debug acknowledge */ | |
2795 | if (ipr_wait_iodbg_ack(ioa_cfg, | |
2796 | IPR_LDUMP_MAX_LONG_ACK_DELAY_IN_USEC)) { | |
2797 | dev_err(&ioa_cfg->pdev->dev, | |
2798 | "IOA dump long data transfer timeout\n"); | |
2799 | return -EIO; | |
2800 | } | |
2801 | ||
2802 | /* Signal LDUMP interlocked - clear IO debug ack */ | |
2803 | writel(IPR_PCII_IO_DEBUG_ACKNOWLEDGE, | |
2804 | ioa_cfg->regs.clr_interrupt_reg); | |
2805 | ||
2806 | /* Write Mailbox with starting address */ | |
2807 | writel(start_addr, ioa_cfg->ioa_mailbox); | |
2808 | ||
2809 | /* Signal address valid - clear IOA Reset alert */ | |
2810 | writel(IPR_UPROCI_RESET_ALERT, | |
214777ba | 2811 | ioa_cfg->regs.clr_uproc_interrupt_reg32); |
1da177e4 LT |
2812 | |
2813 | for (i = 0; i < length_in_words; i++) { | |
2814 | /* Wait for IO debug acknowledge */ | |
2815 | if (ipr_wait_iodbg_ack(ioa_cfg, | |
2816 | IPR_LDUMP_MAX_SHORT_ACK_DELAY_IN_USEC)) { | |
2817 | dev_err(&ioa_cfg->pdev->dev, | |
2818 | "IOA dump short data transfer timeout\n"); | |
2819 | return -EIO; | |
2820 | } | |
2821 | ||
2822 | /* Read data from mailbox and increment destination pointer */ | |
2823 | *dest = cpu_to_be32(readl(ioa_cfg->ioa_mailbox)); | |
2824 | dest++; | |
2825 | ||
2826 | /* For all but the last word of data, signal data received */ | |
2827 | if (i < (length_in_words - 1)) { | |
2828 | /* Signal dump data received - Clear IO debug Ack */ | |
2829 | writel(IPR_PCII_IO_DEBUG_ACKNOWLEDGE, | |
2830 | ioa_cfg->regs.clr_interrupt_reg); | |
2831 | } | |
2832 | } | |
2833 | ||
2834 | /* Signal end of block transfer. Set reset alert then clear IO debug ack */ | |
2835 | writel(IPR_UPROCI_RESET_ALERT, | |
214777ba | 2836 | ioa_cfg->regs.set_uproc_interrupt_reg32); |
1da177e4 LT |
2837 | |
2838 | writel(IPR_UPROCI_IO_DEBUG_ALERT, | |
214777ba | 2839 | ioa_cfg->regs.clr_uproc_interrupt_reg32); |
1da177e4 LT |
2840 | |
2841 | /* Signal dump data received - Clear IO debug Ack */ | |
2842 | writel(IPR_PCII_IO_DEBUG_ACKNOWLEDGE, | |
2843 | ioa_cfg->regs.clr_interrupt_reg); | |
2844 | ||
2845 | /* Wait for IOA to signal LDUMP exit - IOA reset alert will be cleared */ | |
2846 | while (delay < IPR_LDUMP_MAX_SHORT_ACK_DELAY_IN_USEC) { | |
2847 | temp_pcii_reg = | |
214777ba | 2848 | readl(ioa_cfg->regs.sense_uproc_interrupt_reg32); |
1da177e4 LT |
2849 | |
2850 | if (!(temp_pcii_reg & IPR_UPROCI_RESET_ALERT)) | |
2851 | return 0; | |
2852 | ||
2853 | udelay(10); | |
2854 | delay += 10; | |
2855 | } | |
2856 | ||
2857 | return 0; | |
2858 | } | |
2859 | ||
2860 | #ifdef CONFIG_SCSI_IPR_DUMP | |
2861 | /** | |
2862 | * ipr_sdt_copy - Copy Smart Dump Table to kernel buffer | |
2863 | * @ioa_cfg: ioa config struct | |
2864 | * @pci_address: adapter address | |
2865 | * @length: length of data to copy | |
2866 | * | |
2867 | * Copy data from PCI adapter to kernel buffer. | |
2868 | * Note: length MUST be a 4 byte multiple | |
2869 | * Return value: | |
2870 | * 0 on success / other on failure | |
2871 | **/ | |
2872 | static int ipr_sdt_copy(struct ipr_ioa_cfg *ioa_cfg, | |
2873 | unsigned long pci_address, u32 length) | |
2874 | { | |
2875 | int bytes_copied = 0; | |
4d4dd706 | 2876 | int cur_len, rc, rem_len, rem_page_len, max_dump_size; |
1da177e4 LT |
2877 | __be32 *page; |
2878 | unsigned long lock_flags = 0; | |
2879 | struct ipr_ioa_dump *ioa_dump = &ioa_cfg->dump->ioa_dump; | |
2880 | ||
4d4dd706 KSS |
2881 | if (ioa_cfg->sis64) |
2882 | max_dump_size = IPR_FMT3_MAX_IOA_DUMP_SIZE; | |
2883 | else | |
2884 | max_dump_size = IPR_FMT2_MAX_IOA_DUMP_SIZE; | |
2885 | ||
1da177e4 | 2886 | while (bytes_copied < length && |
4d4dd706 | 2887 | (ioa_dump->hdr.len + bytes_copied) < max_dump_size) { |
1da177e4 LT |
2888 | if (ioa_dump->page_offset >= PAGE_SIZE || |
2889 | ioa_dump->page_offset == 0) { | |
2890 | page = (__be32 *)__get_free_page(GFP_ATOMIC); | |
2891 | ||
2892 | if (!page) { | |
2893 | ipr_trace; | |
2894 | return bytes_copied; | |
2895 | } | |
2896 | ||
2897 | ioa_dump->page_offset = 0; | |
2898 | ioa_dump->ioa_data[ioa_dump->next_page_index] = page; | |
2899 | ioa_dump->next_page_index++; | |
2900 | } else | |
2901 | page = ioa_dump->ioa_data[ioa_dump->next_page_index - 1]; | |
2902 | ||
2903 | rem_len = length - bytes_copied; | |
2904 | rem_page_len = PAGE_SIZE - ioa_dump->page_offset; | |
2905 | cur_len = min(rem_len, rem_page_len); | |
2906 | ||
2907 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
2908 | if (ioa_cfg->sdt_state == ABORT_DUMP) { | |
2909 | rc = -EIO; | |
2910 | } else { | |
2911 | rc = ipr_get_ldump_data_section(ioa_cfg, | |
2912 | pci_address + bytes_copied, | |
2913 | &page[ioa_dump->page_offset / 4], | |
2914 | (cur_len / sizeof(u32))); | |
2915 | } | |
2916 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
2917 | ||
2918 | if (!rc) { | |
2919 | ioa_dump->page_offset += cur_len; | |
2920 | bytes_copied += cur_len; | |
2921 | } else { | |
2922 | ipr_trace; | |
2923 | break; | |
2924 | } | |
2925 | schedule(); | |
2926 | } | |
2927 | ||
2928 | return bytes_copied; | |
2929 | } | |
2930 | ||
2931 | /** | |
2932 | * ipr_init_dump_entry_hdr - Initialize a dump entry header. | |
2933 | * @hdr: dump entry header struct | |
2934 | * | |
2935 | * Return value: | |
2936 | * nothing | |
2937 | **/ | |
2938 | static void ipr_init_dump_entry_hdr(struct ipr_dump_entry_header *hdr) | |
2939 | { | |
2940 | hdr->eye_catcher = IPR_DUMP_EYE_CATCHER; | |
2941 | hdr->num_elems = 1; | |
2942 | hdr->offset = sizeof(*hdr); | |
2943 | hdr->status = IPR_DUMP_STATUS_SUCCESS; | |
2944 | } | |
2945 | ||
2946 | /** | |
2947 | * ipr_dump_ioa_type_data - Fill in the adapter type in the dump. | |
2948 | * @ioa_cfg: ioa config struct | |
2949 | * @driver_dump: driver dump struct | |
2950 | * | |
2951 | * Return value: | |
2952 | * nothing | |
2953 | **/ | |
2954 | static void ipr_dump_ioa_type_data(struct ipr_ioa_cfg *ioa_cfg, | |
2955 | struct ipr_driver_dump *driver_dump) | |
2956 | { | |
2957 | struct ipr_inquiry_page3 *ucode_vpd = &ioa_cfg->vpd_cbs->page3_data; | |
2958 | ||
2959 | ipr_init_dump_entry_hdr(&driver_dump->ioa_type_entry.hdr); | |
2960 | driver_dump->ioa_type_entry.hdr.len = | |
2961 | sizeof(struct ipr_dump_ioa_type_entry) - | |
2962 | sizeof(struct ipr_dump_entry_header); | |
2963 | driver_dump->ioa_type_entry.hdr.data_type = IPR_DUMP_DATA_TYPE_BINARY; | |
2964 | driver_dump->ioa_type_entry.hdr.id = IPR_DUMP_DRIVER_TYPE_ID; | |
2965 | driver_dump->ioa_type_entry.type = ioa_cfg->type; | |
2966 | driver_dump->ioa_type_entry.fw_version = (ucode_vpd->major_release << 24) | | |
2967 | (ucode_vpd->card_type << 16) | (ucode_vpd->minor_release[0] << 8) | | |
2968 | ucode_vpd->minor_release[1]; | |
2969 | driver_dump->hdr.num_entries++; | |
2970 | } | |
2971 | ||
2972 | /** | |
2973 | * ipr_dump_version_data - Fill in the driver version in the dump. | |
2974 | * @ioa_cfg: ioa config struct | |
2975 | * @driver_dump: driver dump struct | |
2976 | * | |
2977 | * Return value: | |
2978 | * nothing | |
2979 | **/ | |
2980 | static void ipr_dump_version_data(struct ipr_ioa_cfg *ioa_cfg, | |
2981 | struct ipr_driver_dump *driver_dump) | |
2982 | { | |
2983 | ipr_init_dump_entry_hdr(&driver_dump->version_entry.hdr); | |
2984 | driver_dump->version_entry.hdr.len = | |
2985 | sizeof(struct ipr_dump_version_entry) - | |
2986 | sizeof(struct ipr_dump_entry_header); | |
2987 | driver_dump->version_entry.hdr.data_type = IPR_DUMP_DATA_TYPE_ASCII; | |
2988 | driver_dump->version_entry.hdr.id = IPR_DUMP_DRIVER_VERSION_ID; | |
2989 | strcpy(driver_dump->version_entry.version, IPR_DRIVER_VERSION); | |
2990 | driver_dump->hdr.num_entries++; | |
2991 | } | |
2992 | ||
2993 | /** | |
2994 | * ipr_dump_trace_data - Fill in the IOA trace in the dump. | |
2995 | * @ioa_cfg: ioa config struct | |
2996 | * @driver_dump: driver dump struct | |
2997 | * | |
2998 | * Return value: | |
2999 | * nothing | |
3000 | **/ | |
3001 | static void ipr_dump_trace_data(struct ipr_ioa_cfg *ioa_cfg, | |
3002 | struct ipr_driver_dump *driver_dump) | |
3003 | { | |
3004 | ipr_init_dump_entry_hdr(&driver_dump->trace_entry.hdr); | |
3005 | driver_dump->trace_entry.hdr.len = | |
3006 | sizeof(struct ipr_dump_trace_entry) - | |
3007 | sizeof(struct ipr_dump_entry_header); | |
3008 | driver_dump->trace_entry.hdr.data_type = IPR_DUMP_DATA_TYPE_BINARY; | |
3009 | driver_dump->trace_entry.hdr.id = IPR_DUMP_TRACE_ID; | |
3010 | memcpy(driver_dump->trace_entry.trace, ioa_cfg->trace, IPR_TRACE_SIZE); | |
3011 | driver_dump->hdr.num_entries++; | |
3012 | } | |
3013 | ||
3014 | /** | |
3015 | * ipr_dump_location_data - Fill in the IOA location in the dump. | |
3016 | * @ioa_cfg: ioa config struct | |
3017 | * @driver_dump: driver dump struct | |
3018 | * | |
3019 | * Return value: | |
3020 | * nothing | |
3021 | **/ | |
3022 | static void ipr_dump_location_data(struct ipr_ioa_cfg *ioa_cfg, | |
3023 | struct ipr_driver_dump *driver_dump) | |
3024 | { | |
3025 | ipr_init_dump_entry_hdr(&driver_dump->location_entry.hdr); | |
3026 | driver_dump->location_entry.hdr.len = | |
3027 | sizeof(struct ipr_dump_location_entry) - | |
3028 | sizeof(struct ipr_dump_entry_header); | |
3029 | driver_dump->location_entry.hdr.data_type = IPR_DUMP_DATA_TYPE_ASCII; | |
3030 | driver_dump->location_entry.hdr.id = IPR_DUMP_LOCATION_ID; | |
71610f55 | 3031 | strcpy(driver_dump->location_entry.location, dev_name(&ioa_cfg->pdev->dev)); |
1da177e4 LT |
3032 | driver_dump->hdr.num_entries++; |
3033 | } | |
3034 | ||
3035 | /** | |
3036 | * ipr_get_ioa_dump - Perform a dump of the driver and adapter. | |
3037 | * @ioa_cfg: ioa config struct | |
3038 | * @dump: dump struct | |
3039 | * | |
3040 | * Return value: | |
3041 | * nothing | |
3042 | **/ | |
3043 | static void ipr_get_ioa_dump(struct ipr_ioa_cfg *ioa_cfg, struct ipr_dump *dump) | |
3044 | { | |
3045 | unsigned long start_addr, sdt_word; | |
3046 | unsigned long lock_flags = 0; | |
3047 | struct ipr_driver_dump *driver_dump = &dump->driver_dump; | |
3048 | struct ipr_ioa_dump *ioa_dump = &dump->ioa_dump; | |
4d4dd706 KSS |
3049 | u32 num_entries, max_num_entries, start_off, end_off; |
3050 | u32 max_dump_size, bytes_to_copy, bytes_copied, rc; | |
1da177e4 | 3051 | struct ipr_sdt *sdt; |
dcbad00e | 3052 | int valid = 1; |
1da177e4 LT |
3053 | int i; |
3054 | ||
3055 | ENTER; | |
3056 | ||
3057 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3058 | ||
41e9a696 | 3059 | if (ioa_cfg->sdt_state != READ_DUMP) { |
1da177e4 LT |
3060 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
3061 | return; | |
3062 | } | |
3063 | ||
110def85 WB |
3064 | if (ioa_cfg->sis64) { |
3065 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3066 | ssleep(IPR_DUMP_DELAY_SECONDS); | |
3067 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3068 | } | |
3069 | ||
1da177e4 LT |
3070 | start_addr = readl(ioa_cfg->ioa_mailbox); |
3071 | ||
dcbad00e | 3072 | if (!ioa_cfg->sis64 && !ipr_sdt_is_fmt2(start_addr)) { |
1da177e4 LT |
3073 | dev_err(&ioa_cfg->pdev->dev, |
3074 | "Invalid dump table format: %lx\n", start_addr); | |
3075 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3076 | return; | |
3077 | } | |
3078 | ||
3079 | dev_err(&ioa_cfg->pdev->dev, "Dump of IOA initiated\n"); | |
3080 | ||
3081 | driver_dump->hdr.eye_catcher = IPR_DUMP_EYE_CATCHER; | |
3082 | ||
3083 | /* Initialize the overall dump header */ | |
3084 | driver_dump->hdr.len = sizeof(struct ipr_driver_dump); | |
3085 | driver_dump->hdr.num_entries = 1; | |
3086 | driver_dump->hdr.first_entry_offset = sizeof(struct ipr_dump_header); | |
3087 | driver_dump->hdr.status = IPR_DUMP_STATUS_SUCCESS; | |
3088 | driver_dump->hdr.os = IPR_DUMP_OS_LINUX; | |
3089 | driver_dump->hdr.driver_name = IPR_DUMP_DRIVER_NAME; | |
3090 | ||
3091 | ipr_dump_version_data(ioa_cfg, driver_dump); | |
3092 | ipr_dump_location_data(ioa_cfg, driver_dump); | |
3093 | ipr_dump_ioa_type_data(ioa_cfg, driver_dump); | |
3094 | ipr_dump_trace_data(ioa_cfg, driver_dump); | |
3095 | ||
3096 | /* Update dump_header */ | |
3097 | driver_dump->hdr.len += sizeof(struct ipr_dump_entry_header); | |
3098 | ||
3099 | /* IOA Dump entry */ | |
3100 | ipr_init_dump_entry_hdr(&ioa_dump->hdr); | |
1da177e4 LT |
3101 | ioa_dump->hdr.len = 0; |
3102 | ioa_dump->hdr.data_type = IPR_DUMP_DATA_TYPE_BINARY; | |
3103 | ioa_dump->hdr.id = IPR_DUMP_IOA_DUMP_ID; | |
3104 | ||
3105 | /* First entries in sdt are actually a list of dump addresses and | |
3106 | lengths to gather the real dump data. sdt represents the pointer | |
3107 | to the ioa generated dump table. Dump data will be extracted based | |
3108 | on entries in this table */ | |
3109 | sdt = &ioa_dump->sdt; | |
3110 | ||
4d4dd706 KSS |
3111 | if (ioa_cfg->sis64) { |
3112 | max_num_entries = IPR_FMT3_NUM_SDT_ENTRIES; | |
3113 | max_dump_size = IPR_FMT3_MAX_IOA_DUMP_SIZE; | |
3114 | } else { | |
3115 | max_num_entries = IPR_FMT2_NUM_SDT_ENTRIES; | |
3116 | max_dump_size = IPR_FMT2_MAX_IOA_DUMP_SIZE; | |
3117 | } | |
3118 | ||
3119 | bytes_to_copy = offsetof(struct ipr_sdt, entry) + | |
3120 | (max_num_entries * sizeof(struct ipr_sdt_entry)); | |
1da177e4 | 3121 | rc = ipr_get_ldump_data_section(ioa_cfg, start_addr, (__be32 *)sdt, |
4d4dd706 | 3122 | bytes_to_copy / sizeof(__be32)); |
1da177e4 LT |
3123 | |
3124 | /* Smart Dump table is ready to use and the first entry is valid */ | |
dcbad00e WB |
3125 | if (rc || ((be32_to_cpu(sdt->hdr.state) != IPR_FMT3_SDT_READY_TO_USE) && |
3126 | (be32_to_cpu(sdt->hdr.state) != IPR_FMT2_SDT_READY_TO_USE))) { | |
1da177e4 LT |
3127 | dev_err(&ioa_cfg->pdev->dev, |
3128 | "Dump of IOA failed. Dump table not valid: %d, %X.\n", | |
3129 | rc, be32_to_cpu(sdt->hdr.state)); | |
3130 | driver_dump->hdr.status = IPR_DUMP_STATUS_FAILED; | |
3131 | ioa_cfg->sdt_state = DUMP_OBTAINED; | |
3132 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3133 | return; | |
3134 | } | |
3135 | ||
3136 | num_entries = be32_to_cpu(sdt->hdr.num_entries_used); | |
3137 | ||
4d4dd706 KSS |
3138 | if (num_entries > max_num_entries) |
3139 | num_entries = max_num_entries; | |
3140 | ||
3141 | /* Update dump length to the actual data to be copied */ | |
3142 | dump->driver_dump.hdr.len += sizeof(struct ipr_sdt_header); | |
3143 | if (ioa_cfg->sis64) | |
3144 | dump->driver_dump.hdr.len += num_entries * sizeof(struct ipr_sdt_entry); | |
3145 | else | |
3146 | dump->driver_dump.hdr.len += max_num_entries * sizeof(struct ipr_sdt_entry); | |
1da177e4 LT |
3147 | |
3148 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3149 | ||
3150 | for (i = 0; i < num_entries; i++) { | |
4d4dd706 | 3151 | if (ioa_dump->hdr.len > max_dump_size) { |
1da177e4 LT |
3152 | driver_dump->hdr.status = IPR_DUMP_STATUS_QUAL_SUCCESS; |
3153 | break; | |
3154 | } | |
3155 | ||
3156 | if (sdt->entry[i].flags & IPR_SDT_VALID_ENTRY) { | |
dcbad00e WB |
3157 | sdt_word = be32_to_cpu(sdt->entry[i].start_token); |
3158 | if (ioa_cfg->sis64) | |
3159 | bytes_to_copy = be32_to_cpu(sdt->entry[i].end_token); | |
3160 | else { | |
3161 | start_off = sdt_word & IPR_FMT2_MBX_ADDR_MASK; | |
3162 | end_off = be32_to_cpu(sdt->entry[i].end_token); | |
3163 | ||
3164 | if (ipr_sdt_is_fmt2(sdt_word) && sdt_word) | |
3165 | bytes_to_copy = end_off - start_off; | |
3166 | else | |
3167 | valid = 0; | |
3168 | } | |
3169 | if (valid) { | |
4d4dd706 | 3170 | if (bytes_to_copy > max_dump_size) { |
1da177e4 LT |
3171 | sdt->entry[i].flags &= ~IPR_SDT_VALID_ENTRY; |
3172 | continue; | |
3173 | } | |
3174 | ||
3175 | /* Copy data from adapter to driver buffers */ | |
3176 | bytes_copied = ipr_sdt_copy(ioa_cfg, sdt_word, | |
3177 | bytes_to_copy); | |
3178 | ||
3179 | ioa_dump->hdr.len += bytes_copied; | |
3180 | ||
3181 | if (bytes_copied != bytes_to_copy) { | |
3182 | driver_dump->hdr.status = IPR_DUMP_STATUS_QUAL_SUCCESS; | |
3183 | break; | |
3184 | } | |
3185 | } | |
3186 | } | |
3187 | } | |
3188 | ||
3189 | dev_err(&ioa_cfg->pdev->dev, "Dump of IOA completed.\n"); | |
3190 | ||
3191 | /* Update dump_header */ | |
3192 | driver_dump->hdr.len += ioa_dump->hdr.len; | |
3193 | wmb(); | |
3194 | ioa_cfg->sdt_state = DUMP_OBTAINED; | |
3195 | LEAVE; | |
3196 | } | |
3197 | ||
3198 | #else | |
203fa3fe | 3199 | #define ipr_get_ioa_dump(ioa_cfg, dump) do { } while (0) |
1da177e4 LT |
3200 | #endif |
3201 | ||
3202 | /** | |
3203 | * ipr_release_dump - Free adapter dump memory | |
3204 | * @kref: kref struct | |
3205 | * | |
3206 | * Return value: | |
3207 | * nothing | |
3208 | **/ | |
3209 | static void ipr_release_dump(struct kref *kref) | |
3210 | { | |
203fa3fe | 3211 | struct ipr_dump *dump = container_of(kref, struct ipr_dump, kref); |
1da177e4 LT |
3212 | struct ipr_ioa_cfg *ioa_cfg = dump->ioa_cfg; |
3213 | unsigned long lock_flags = 0; | |
3214 | int i; | |
3215 | ||
3216 | ENTER; | |
3217 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3218 | ioa_cfg->dump = NULL; | |
3219 | ioa_cfg->sdt_state = INACTIVE; | |
3220 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3221 | ||
3222 | for (i = 0; i < dump->ioa_dump.next_page_index; i++) | |
3223 | free_page((unsigned long) dump->ioa_dump.ioa_data[i]); | |
3224 | ||
4d4dd706 | 3225 | vfree(dump->ioa_dump.ioa_data); |
1da177e4 LT |
3226 | kfree(dump); |
3227 | LEAVE; | |
3228 | } | |
3229 | ||
3230 | /** | |
3231 | * ipr_worker_thread - Worker thread | |
c4028958 | 3232 | * @work: ioa config struct |
1da177e4 LT |
3233 | * |
3234 | * Called at task level from a work thread. This function takes care | |
3235 | * of adding and removing device from the mid-layer as configuration | |
3236 | * changes are detected by the adapter. | |
3237 | * | |
3238 | * Return value: | |
3239 | * nothing | |
3240 | **/ | |
c4028958 | 3241 | static void ipr_worker_thread(struct work_struct *work) |
1da177e4 LT |
3242 | { |
3243 | unsigned long lock_flags; | |
3244 | struct ipr_resource_entry *res; | |
3245 | struct scsi_device *sdev; | |
3246 | struct ipr_dump *dump; | |
c4028958 DH |
3247 | struct ipr_ioa_cfg *ioa_cfg = |
3248 | container_of(work, struct ipr_ioa_cfg, work_q); | |
1da177e4 LT |
3249 | u8 bus, target, lun; |
3250 | int did_work; | |
3251 | ||
3252 | ENTER; | |
3253 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3254 | ||
41e9a696 | 3255 | if (ioa_cfg->sdt_state == READ_DUMP) { |
1da177e4 LT |
3256 | dump = ioa_cfg->dump; |
3257 | if (!dump) { | |
3258 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3259 | return; | |
3260 | } | |
3261 | kref_get(&dump->kref); | |
3262 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3263 | ipr_get_ioa_dump(ioa_cfg, dump); | |
3264 | kref_put(&dump->kref, ipr_release_dump); | |
3265 | ||
3266 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4c647e90 | 3267 | if (ioa_cfg->sdt_state == DUMP_OBTAINED && !ioa_cfg->dump_timeout) |
1da177e4 LT |
3268 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); |
3269 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3270 | return; | |
3271 | } | |
3272 | ||
3273 | restart: | |
3274 | do { | |
3275 | did_work = 0; | |
56d6aa33 | 3276 | if (!ioa_cfg->hrrq[IPR_INIT_HRRQ].allow_cmds || |
3277 | !ioa_cfg->allow_ml_add_del) { | |
1da177e4 LT |
3278 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
3279 | return; | |
3280 | } | |
3281 | ||
3282 | list_for_each_entry(res, &ioa_cfg->used_res_q, queue) { | |
3283 | if (res->del_from_ml && res->sdev) { | |
3284 | did_work = 1; | |
3285 | sdev = res->sdev; | |
3286 | if (!scsi_device_get(sdev)) { | |
5767a1c4 KSS |
3287 | if (!res->add_to_ml) |
3288 | list_move_tail(&res->queue, &ioa_cfg->free_res_q); | |
3289 | else | |
3290 | res->del_from_ml = 0; | |
1da177e4 LT |
3291 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
3292 | scsi_remove_device(sdev); | |
3293 | scsi_device_put(sdev); | |
3294 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3295 | } | |
3296 | break; | |
3297 | } | |
3298 | } | |
203fa3fe | 3299 | } while (did_work); |
1da177e4 LT |
3300 | |
3301 | list_for_each_entry(res, &ioa_cfg->used_res_q, queue) { | |
3302 | if (res->add_to_ml) { | |
3e7ebdfa WB |
3303 | bus = res->bus; |
3304 | target = res->target; | |
3305 | lun = res->lun; | |
1121b794 | 3306 | res->add_to_ml = 0; |
1da177e4 LT |
3307 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
3308 | scsi_add_device(ioa_cfg->host, bus, target, lun); | |
3309 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3310 | goto restart; | |
3311 | } | |
3312 | } | |
3313 | ||
3314 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
ee959b00 | 3315 | kobject_uevent(&ioa_cfg->host->shost_dev.kobj, KOBJ_CHANGE); |
1da177e4 LT |
3316 | LEAVE; |
3317 | } | |
3318 | ||
3319 | #ifdef CONFIG_SCSI_IPR_TRACE | |
3320 | /** | |
3321 | * ipr_read_trace - Dump the adapter trace | |
2c3c8bea | 3322 | * @filp: open sysfs file |
1da177e4 | 3323 | * @kobj: kobject struct |
91a69029 | 3324 | * @bin_attr: bin_attribute struct |
1da177e4 LT |
3325 | * @buf: buffer |
3326 | * @off: offset | |
3327 | * @count: buffer size | |
3328 | * | |
3329 | * Return value: | |
3330 | * number of bytes printed to buffer | |
3331 | **/ | |
2c3c8bea | 3332 | static ssize_t ipr_read_trace(struct file *filp, struct kobject *kobj, |
91a69029 ZR |
3333 | struct bin_attribute *bin_attr, |
3334 | char *buf, loff_t off, size_t count) | |
1da177e4 | 3335 | { |
ee959b00 TJ |
3336 | struct device *dev = container_of(kobj, struct device, kobj); |
3337 | struct Scsi_Host *shost = class_to_shost(dev); | |
1da177e4 LT |
3338 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
3339 | unsigned long lock_flags = 0; | |
d777aaf3 | 3340 | ssize_t ret; |
1da177e4 LT |
3341 | |
3342 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
d777aaf3 AM |
3343 | ret = memory_read_from_buffer(buf, count, &off, ioa_cfg->trace, |
3344 | IPR_TRACE_SIZE); | |
1da177e4 | 3345 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
d777aaf3 AM |
3346 | |
3347 | return ret; | |
1da177e4 LT |
3348 | } |
3349 | ||
3350 | static struct bin_attribute ipr_trace_attr = { | |
3351 | .attr = { | |
3352 | .name = "trace", | |
3353 | .mode = S_IRUGO, | |
3354 | }, | |
3355 | .size = 0, | |
3356 | .read = ipr_read_trace, | |
3357 | }; | |
3358 | #endif | |
3359 | ||
3360 | /** | |
3361 | * ipr_show_fw_version - Show the firmware version | |
ee959b00 TJ |
3362 | * @dev: class device struct |
3363 | * @buf: buffer | |
1da177e4 LT |
3364 | * |
3365 | * Return value: | |
3366 | * number of bytes printed to buffer | |
3367 | **/ | |
ee959b00 TJ |
3368 | static ssize_t ipr_show_fw_version(struct device *dev, |
3369 | struct device_attribute *attr, char *buf) | |
1da177e4 | 3370 | { |
ee959b00 | 3371 | struct Scsi_Host *shost = class_to_shost(dev); |
1da177e4 LT |
3372 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
3373 | struct ipr_inquiry_page3 *ucode_vpd = &ioa_cfg->vpd_cbs->page3_data; | |
3374 | unsigned long lock_flags = 0; | |
3375 | int len; | |
3376 | ||
3377 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3378 | len = snprintf(buf, PAGE_SIZE, "%02X%02X%02X%02X\n", | |
3379 | ucode_vpd->major_release, ucode_vpd->card_type, | |
3380 | ucode_vpd->minor_release[0], | |
3381 | ucode_vpd->minor_release[1]); | |
3382 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3383 | return len; | |
3384 | } | |
3385 | ||
ee959b00 | 3386 | static struct device_attribute ipr_fw_version_attr = { |
1da177e4 LT |
3387 | .attr = { |
3388 | .name = "fw_version", | |
3389 | .mode = S_IRUGO, | |
3390 | }, | |
3391 | .show = ipr_show_fw_version, | |
3392 | }; | |
3393 | ||
3394 | /** | |
3395 | * ipr_show_log_level - Show the adapter's error logging level | |
ee959b00 TJ |
3396 | * @dev: class device struct |
3397 | * @buf: buffer | |
1da177e4 LT |
3398 | * |
3399 | * Return value: | |
3400 | * number of bytes printed to buffer | |
3401 | **/ | |
ee959b00 TJ |
3402 | static ssize_t ipr_show_log_level(struct device *dev, |
3403 | struct device_attribute *attr, char *buf) | |
1da177e4 | 3404 | { |
ee959b00 | 3405 | struct Scsi_Host *shost = class_to_shost(dev); |
1da177e4 LT |
3406 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
3407 | unsigned long lock_flags = 0; | |
3408 | int len; | |
3409 | ||
3410 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3411 | len = snprintf(buf, PAGE_SIZE, "%d\n", ioa_cfg->log_level); | |
3412 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3413 | return len; | |
3414 | } | |
3415 | ||
3416 | /** | |
3417 | * ipr_store_log_level - Change the adapter's error logging level | |
ee959b00 TJ |
3418 | * @dev: class device struct |
3419 | * @buf: buffer | |
1da177e4 LT |
3420 | * |
3421 | * Return value: | |
3422 | * number of bytes printed to buffer | |
3423 | **/ | |
ee959b00 | 3424 | static ssize_t ipr_store_log_level(struct device *dev, |
203fa3fe | 3425 | struct device_attribute *attr, |
1da177e4 LT |
3426 | const char *buf, size_t count) |
3427 | { | |
ee959b00 | 3428 | struct Scsi_Host *shost = class_to_shost(dev); |
1da177e4 LT |
3429 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
3430 | unsigned long lock_flags = 0; | |
3431 | ||
3432 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3433 | ioa_cfg->log_level = simple_strtoul(buf, NULL, 10); | |
3434 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3435 | return strlen(buf); | |
3436 | } | |
3437 | ||
ee959b00 | 3438 | static struct device_attribute ipr_log_level_attr = { |
1da177e4 LT |
3439 | .attr = { |
3440 | .name = "log_level", | |
3441 | .mode = S_IRUGO | S_IWUSR, | |
3442 | }, | |
3443 | .show = ipr_show_log_level, | |
3444 | .store = ipr_store_log_level | |
3445 | }; | |
3446 | ||
3447 | /** | |
3448 | * ipr_store_diagnostics - IOA Diagnostics interface | |
ee959b00 TJ |
3449 | * @dev: device struct |
3450 | * @buf: buffer | |
3451 | * @count: buffer size | |
1da177e4 LT |
3452 | * |
3453 | * This function will reset the adapter and wait a reasonable | |
3454 | * amount of time for any errors that the adapter might log. | |
3455 | * | |
3456 | * Return value: | |
3457 | * count on success / other on failure | |
3458 | **/ | |
ee959b00 TJ |
3459 | static ssize_t ipr_store_diagnostics(struct device *dev, |
3460 | struct device_attribute *attr, | |
1da177e4 LT |
3461 | const char *buf, size_t count) |
3462 | { | |
ee959b00 | 3463 | struct Scsi_Host *shost = class_to_shost(dev); |
1da177e4 LT |
3464 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
3465 | unsigned long lock_flags = 0; | |
3466 | int rc = count; | |
3467 | ||
3468 | if (!capable(CAP_SYS_ADMIN)) | |
3469 | return -EACCES; | |
3470 | ||
1da177e4 | 3471 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); |
203fa3fe | 3472 | while (ioa_cfg->in_reset_reload) { |
970ea294 BK |
3473 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
3474 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
3475 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3476 | } | |
3477 | ||
1da177e4 LT |
3478 | ioa_cfg->errors_logged = 0; |
3479 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NORMAL); | |
3480 | ||
3481 | if (ioa_cfg->in_reset_reload) { | |
3482 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3483 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
3484 | ||
3485 | /* Wait for a second for any errors to be logged */ | |
3486 | msleep(1000); | |
3487 | } else { | |
3488 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3489 | return -EIO; | |
3490 | } | |
3491 | ||
3492 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3493 | if (ioa_cfg->in_reset_reload || ioa_cfg->errors_logged) | |
3494 | rc = -EIO; | |
3495 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3496 | ||
3497 | return rc; | |
3498 | } | |
3499 | ||
ee959b00 | 3500 | static struct device_attribute ipr_diagnostics_attr = { |
1da177e4 LT |
3501 | .attr = { |
3502 | .name = "run_diagnostics", | |
3503 | .mode = S_IWUSR, | |
3504 | }, | |
3505 | .store = ipr_store_diagnostics | |
3506 | }; | |
3507 | ||
f37eb54b BK |
3508 | /** |
3509 | * ipr_show_adapter_state - Show the adapter's state | |
ee959b00 TJ |
3510 | * @class_dev: device struct |
3511 | * @buf: buffer | |
f37eb54b BK |
3512 | * |
3513 | * Return value: | |
3514 | * number of bytes printed to buffer | |
3515 | **/ | |
ee959b00 TJ |
3516 | static ssize_t ipr_show_adapter_state(struct device *dev, |
3517 | struct device_attribute *attr, char *buf) | |
f37eb54b | 3518 | { |
ee959b00 | 3519 | struct Scsi_Host *shost = class_to_shost(dev); |
f37eb54b BK |
3520 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
3521 | unsigned long lock_flags = 0; | |
3522 | int len; | |
3523 | ||
3524 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
56d6aa33 | 3525 | if (ioa_cfg->hrrq[IPR_INIT_HRRQ].ioa_is_dead) |
f37eb54b BK |
3526 | len = snprintf(buf, PAGE_SIZE, "offline\n"); |
3527 | else | |
3528 | len = snprintf(buf, PAGE_SIZE, "online\n"); | |
3529 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3530 | return len; | |
3531 | } | |
3532 | ||
3533 | /** | |
3534 | * ipr_store_adapter_state - Change adapter state | |
ee959b00 TJ |
3535 | * @dev: device struct |
3536 | * @buf: buffer | |
3537 | * @count: buffer size | |
f37eb54b BK |
3538 | * |
3539 | * This function will change the adapter's state. | |
3540 | * | |
3541 | * Return value: | |
3542 | * count on success / other on failure | |
3543 | **/ | |
ee959b00 TJ |
3544 | static ssize_t ipr_store_adapter_state(struct device *dev, |
3545 | struct device_attribute *attr, | |
f37eb54b BK |
3546 | const char *buf, size_t count) |
3547 | { | |
ee959b00 | 3548 | struct Scsi_Host *shost = class_to_shost(dev); |
f37eb54b BK |
3549 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
3550 | unsigned long lock_flags; | |
56d6aa33 | 3551 | int result = count, i; |
f37eb54b BK |
3552 | |
3553 | if (!capable(CAP_SYS_ADMIN)) | |
3554 | return -EACCES; | |
3555 | ||
3556 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
56d6aa33 | 3557 | if (ioa_cfg->hrrq[IPR_INIT_HRRQ].ioa_is_dead && |
3558 | !strncmp(buf, "online", 6)) { | |
3559 | for (i = 0; i < ioa_cfg->hrrq_num; i++) { | |
3560 | spin_lock(&ioa_cfg->hrrq[i]._lock); | |
3561 | ioa_cfg->hrrq[i].ioa_is_dead = 0; | |
3562 | spin_unlock(&ioa_cfg->hrrq[i]._lock); | |
3563 | } | |
3564 | wmb(); | |
f37eb54b BK |
3565 | ioa_cfg->reset_retries = 0; |
3566 | ioa_cfg->in_ioa_bringdown = 0; | |
3567 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); | |
3568 | } | |
3569 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3570 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
3571 | ||
3572 | return result; | |
3573 | } | |
3574 | ||
ee959b00 | 3575 | static struct device_attribute ipr_ioa_state_attr = { |
f37eb54b | 3576 | .attr = { |
49dd0961 | 3577 | .name = "online_state", |
f37eb54b BK |
3578 | .mode = S_IRUGO | S_IWUSR, |
3579 | }, | |
3580 | .show = ipr_show_adapter_state, | |
3581 | .store = ipr_store_adapter_state | |
3582 | }; | |
3583 | ||
1da177e4 LT |
3584 | /** |
3585 | * ipr_store_reset_adapter - Reset the adapter | |
ee959b00 TJ |
3586 | * @dev: device struct |
3587 | * @buf: buffer | |
3588 | * @count: buffer size | |
1da177e4 LT |
3589 | * |
3590 | * This function will reset the adapter. | |
3591 | * | |
3592 | * Return value: | |
3593 | * count on success / other on failure | |
3594 | **/ | |
ee959b00 TJ |
3595 | static ssize_t ipr_store_reset_adapter(struct device *dev, |
3596 | struct device_attribute *attr, | |
1da177e4 LT |
3597 | const char *buf, size_t count) |
3598 | { | |
ee959b00 | 3599 | struct Scsi_Host *shost = class_to_shost(dev); |
1da177e4 LT |
3600 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
3601 | unsigned long lock_flags; | |
3602 | int result = count; | |
3603 | ||
3604 | if (!capable(CAP_SYS_ADMIN)) | |
3605 | return -EACCES; | |
3606 | ||
3607 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3608 | if (!ioa_cfg->in_reset_reload) | |
3609 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NORMAL); | |
3610 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3611 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
3612 | ||
3613 | return result; | |
3614 | } | |
3615 | ||
ee959b00 | 3616 | static struct device_attribute ipr_ioa_reset_attr = { |
1da177e4 LT |
3617 | .attr = { |
3618 | .name = "reset_host", | |
3619 | .mode = S_IWUSR, | |
3620 | }, | |
3621 | .store = ipr_store_reset_adapter | |
3622 | }; | |
3623 | ||
b53d124a | 3624 | static int ipr_iopoll(struct blk_iopoll *iop, int budget); |
3625 | /** | |
3626 | * ipr_show_iopoll_weight - Show ipr polling mode | |
3627 | * @dev: class device struct | |
3628 | * @buf: buffer | |
3629 | * | |
3630 | * Return value: | |
3631 | * number of bytes printed to buffer | |
3632 | **/ | |
3633 | static ssize_t ipr_show_iopoll_weight(struct device *dev, | |
3634 | struct device_attribute *attr, char *buf) | |
3635 | { | |
3636 | struct Scsi_Host *shost = class_to_shost(dev); | |
3637 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; | |
3638 | unsigned long lock_flags = 0; | |
3639 | int len; | |
3640 | ||
3641 | spin_lock_irqsave(shost->host_lock, lock_flags); | |
3642 | len = snprintf(buf, PAGE_SIZE, "%d\n", ioa_cfg->iopoll_weight); | |
3643 | spin_unlock_irqrestore(shost->host_lock, lock_flags); | |
3644 | ||
3645 | return len; | |
3646 | } | |
3647 | ||
3648 | /** | |
3649 | * ipr_store_iopoll_weight - Change the adapter's polling mode | |
3650 | * @dev: class device struct | |
3651 | * @buf: buffer | |
3652 | * | |
3653 | * Return value: | |
3654 | * number of bytes printed to buffer | |
3655 | **/ | |
3656 | static ssize_t ipr_store_iopoll_weight(struct device *dev, | |
3657 | struct device_attribute *attr, | |
3658 | const char *buf, size_t count) | |
3659 | { | |
3660 | struct Scsi_Host *shost = class_to_shost(dev); | |
3661 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; | |
3662 | unsigned long user_iopoll_weight; | |
3663 | unsigned long lock_flags = 0; | |
3664 | int i; | |
3665 | ||
3666 | if (!ioa_cfg->sis64) { | |
3667 | dev_info(&ioa_cfg->pdev->dev, "blk-iopoll not supported on this adapter\n"); | |
3668 | return -EINVAL; | |
3669 | } | |
3670 | if (kstrtoul(buf, 10, &user_iopoll_weight)) | |
3671 | return -EINVAL; | |
3672 | ||
3673 | if (user_iopoll_weight > 256) { | |
3674 | dev_info(&ioa_cfg->pdev->dev, "Invalid blk-iopoll weight. It must be less than 256\n"); | |
3675 | return -EINVAL; | |
3676 | } | |
3677 | ||
3678 | if (user_iopoll_weight == ioa_cfg->iopoll_weight) { | |
3679 | dev_info(&ioa_cfg->pdev->dev, "Current blk-iopoll weight has the same weight\n"); | |
3680 | return strlen(buf); | |
3681 | } | |
3682 | ||
89f8b33c | 3683 | if (ioa_cfg->iopoll_weight && ioa_cfg->sis64 && ioa_cfg->nvectors > 1) { |
b53d124a | 3684 | for (i = 1; i < ioa_cfg->hrrq_num; i++) |
3685 | blk_iopoll_disable(&ioa_cfg->hrrq[i].iopoll); | |
3686 | } | |
3687 | ||
3688 | spin_lock_irqsave(shost->host_lock, lock_flags); | |
3689 | ioa_cfg->iopoll_weight = user_iopoll_weight; | |
89f8b33c | 3690 | if (ioa_cfg->iopoll_weight && ioa_cfg->sis64 && ioa_cfg->nvectors > 1) { |
b53d124a | 3691 | for (i = 1; i < ioa_cfg->hrrq_num; i++) { |
3692 | blk_iopoll_init(&ioa_cfg->hrrq[i].iopoll, | |
3693 | ioa_cfg->iopoll_weight, ipr_iopoll); | |
3694 | blk_iopoll_enable(&ioa_cfg->hrrq[i].iopoll); | |
3695 | } | |
3696 | } | |
3697 | spin_unlock_irqrestore(shost->host_lock, lock_flags); | |
3698 | ||
3699 | return strlen(buf); | |
3700 | } | |
3701 | ||
3702 | static struct device_attribute ipr_iopoll_weight_attr = { | |
3703 | .attr = { | |
3704 | .name = "iopoll_weight", | |
3705 | .mode = S_IRUGO | S_IWUSR, | |
3706 | }, | |
3707 | .show = ipr_show_iopoll_weight, | |
3708 | .store = ipr_store_iopoll_weight | |
3709 | }; | |
3710 | ||
1da177e4 LT |
3711 | /** |
3712 | * ipr_alloc_ucode_buffer - Allocates a microcode download buffer | |
3713 | * @buf_len: buffer length | |
3714 | * | |
3715 | * Allocates a DMA'able buffer in chunks and assembles a scatter/gather | |
3716 | * list to use for microcode download | |
3717 | * | |
3718 | * Return value: | |
3719 | * pointer to sglist / NULL on failure | |
3720 | **/ | |
3721 | static struct ipr_sglist *ipr_alloc_ucode_buffer(int buf_len) | |
3722 | { | |
3723 | int sg_size, order, bsize_elem, num_elem, i, j; | |
3724 | struct ipr_sglist *sglist; | |
3725 | struct scatterlist *scatterlist; | |
3726 | struct page *page; | |
3727 | ||
3728 | /* Get the minimum size per scatter/gather element */ | |
3729 | sg_size = buf_len / (IPR_MAX_SGLIST - 1); | |
3730 | ||
3731 | /* Get the actual size per element */ | |
3732 | order = get_order(sg_size); | |
3733 | ||
3734 | /* Determine the actual number of bytes per element */ | |
3735 | bsize_elem = PAGE_SIZE * (1 << order); | |
3736 | ||
3737 | /* Determine the actual number of sg entries needed */ | |
3738 | if (buf_len % bsize_elem) | |
3739 | num_elem = (buf_len / bsize_elem) + 1; | |
3740 | else | |
3741 | num_elem = buf_len / bsize_elem; | |
3742 | ||
3743 | /* Allocate a scatter/gather list for the DMA */ | |
0bc42e35 | 3744 | sglist = kzalloc(sizeof(struct ipr_sglist) + |
1da177e4 LT |
3745 | (sizeof(struct scatterlist) * (num_elem - 1)), |
3746 | GFP_KERNEL); | |
3747 | ||
3748 | if (sglist == NULL) { | |
3749 | ipr_trace; | |
3750 | return NULL; | |
3751 | } | |
3752 | ||
1da177e4 | 3753 | scatterlist = sglist->scatterlist; |
45711f1a | 3754 | sg_init_table(scatterlist, num_elem); |
1da177e4 LT |
3755 | |
3756 | sglist->order = order; | |
3757 | sglist->num_sg = num_elem; | |
3758 | ||
3759 | /* Allocate a bunch of sg elements */ | |
3760 | for (i = 0; i < num_elem; i++) { | |
3761 | page = alloc_pages(GFP_KERNEL, order); | |
3762 | if (!page) { | |
3763 | ipr_trace; | |
3764 | ||
3765 | /* Free up what we already allocated */ | |
3766 | for (j = i - 1; j >= 0; j--) | |
45711f1a | 3767 | __free_pages(sg_page(&scatterlist[j]), order); |
1da177e4 LT |
3768 | kfree(sglist); |
3769 | return NULL; | |
3770 | } | |
3771 | ||
642f1490 | 3772 | sg_set_page(&scatterlist[i], page, 0, 0); |
1da177e4 LT |
3773 | } |
3774 | ||
3775 | return sglist; | |
3776 | } | |
3777 | ||
3778 | /** | |
3779 | * ipr_free_ucode_buffer - Frees a microcode download buffer | |
3780 | * @p_dnld: scatter/gather list pointer | |
3781 | * | |
3782 | * Free a DMA'able ucode download buffer previously allocated with | |
3783 | * ipr_alloc_ucode_buffer | |
3784 | * | |
3785 | * Return value: | |
3786 | * nothing | |
3787 | **/ | |
3788 | static void ipr_free_ucode_buffer(struct ipr_sglist *sglist) | |
3789 | { | |
3790 | int i; | |
3791 | ||
3792 | for (i = 0; i < sglist->num_sg; i++) | |
45711f1a | 3793 | __free_pages(sg_page(&sglist->scatterlist[i]), sglist->order); |
1da177e4 LT |
3794 | |
3795 | kfree(sglist); | |
3796 | } | |
3797 | ||
3798 | /** | |
3799 | * ipr_copy_ucode_buffer - Copy user buffer to kernel buffer | |
3800 | * @sglist: scatter/gather list pointer | |
3801 | * @buffer: buffer pointer | |
3802 | * @len: buffer length | |
3803 | * | |
3804 | * Copy a microcode image from a user buffer into a buffer allocated by | |
3805 | * ipr_alloc_ucode_buffer | |
3806 | * | |
3807 | * Return value: | |
3808 | * 0 on success / other on failure | |
3809 | **/ | |
3810 | static int ipr_copy_ucode_buffer(struct ipr_sglist *sglist, | |
3811 | u8 *buffer, u32 len) | |
3812 | { | |
3813 | int bsize_elem, i, result = 0; | |
3814 | struct scatterlist *scatterlist; | |
3815 | void *kaddr; | |
3816 | ||
3817 | /* Determine the actual number of bytes per element */ | |
3818 | bsize_elem = PAGE_SIZE * (1 << sglist->order); | |
3819 | ||
3820 | scatterlist = sglist->scatterlist; | |
3821 | ||
3822 | for (i = 0; i < (len / bsize_elem); i++, buffer += bsize_elem) { | |
45711f1a JA |
3823 | struct page *page = sg_page(&scatterlist[i]); |
3824 | ||
3825 | kaddr = kmap(page); | |
1da177e4 | 3826 | memcpy(kaddr, buffer, bsize_elem); |
45711f1a | 3827 | kunmap(page); |
1da177e4 LT |
3828 | |
3829 | scatterlist[i].length = bsize_elem; | |
3830 | ||
3831 | if (result != 0) { | |
3832 | ipr_trace; | |
3833 | return result; | |
3834 | } | |
3835 | } | |
3836 | ||
3837 | if (len % bsize_elem) { | |
45711f1a JA |
3838 | struct page *page = sg_page(&scatterlist[i]); |
3839 | ||
3840 | kaddr = kmap(page); | |
1da177e4 | 3841 | memcpy(kaddr, buffer, len % bsize_elem); |
45711f1a | 3842 | kunmap(page); |
1da177e4 LT |
3843 | |
3844 | scatterlist[i].length = len % bsize_elem; | |
3845 | } | |
3846 | ||
3847 | sglist->buffer_len = len; | |
3848 | return result; | |
3849 | } | |
3850 | ||
a32c055f WB |
3851 | /** |
3852 | * ipr_build_ucode_ioadl64 - Build a microcode download IOADL | |
3853 | * @ipr_cmd: ipr command struct | |
3854 | * @sglist: scatter/gather list | |
3855 | * | |
3856 | * Builds a microcode download IOA data list (IOADL). | |
3857 | * | |
3858 | **/ | |
3859 | static void ipr_build_ucode_ioadl64(struct ipr_cmnd *ipr_cmd, | |
3860 | struct ipr_sglist *sglist) | |
3861 | { | |
3862 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
3863 | struct ipr_ioadl64_desc *ioadl64 = ipr_cmd->i.ioadl64; | |
3864 | struct scatterlist *scatterlist = sglist->scatterlist; | |
3865 | int i; | |
3866 | ||
3867 | ipr_cmd->dma_use_sg = sglist->num_dma_sg; | |
3868 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ; | |
3869 | ioarcb->data_transfer_length = cpu_to_be32(sglist->buffer_len); | |
3870 | ||
3871 | ioarcb->ioadl_len = | |
3872 | cpu_to_be32(sizeof(struct ipr_ioadl64_desc) * ipr_cmd->dma_use_sg); | |
3873 | for (i = 0; i < ipr_cmd->dma_use_sg; i++) { | |
3874 | ioadl64[i].flags = cpu_to_be32(IPR_IOADL_FLAGS_WRITE); | |
3875 | ioadl64[i].data_len = cpu_to_be32(sg_dma_len(&scatterlist[i])); | |
3876 | ioadl64[i].address = cpu_to_be64(sg_dma_address(&scatterlist[i])); | |
3877 | } | |
3878 | ||
3879 | ioadl64[i-1].flags |= cpu_to_be32(IPR_IOADL_FLAGS_LAST); | |
3880 | } | |
3881 | ||
1da177e4 | 3882 | /** |
12baa420 | 3883 | * ipr_build_ucode_ioadl - Build a microcode download IOADL |
1da177e4 LT |
3884 | * @ipr_cmd: ipr command struct |
3885 | * @sglist: scatter/gather list | |
1da177e4 | 3886 | * |
12baa420 | 3887 | * Builds a microcode download IOA data list (IOADL). |
1da177e4 | 3888 | * |
1da177e4 | 3889 | **/ |
12baa420 BK |
3890 | static void ipr_build_ucode_ioadl(struct ipr_cmnd *ipr_cmd, |
3891 | struct ipr_sglist *sglist) | |
1da177e4 | 3892 | { |
1da177e4 | 3893 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; |
a32c055f | 3894 | struct ipr_ioadl_desc *ioadl = ipr_cmd->i.ioadl; |
1da177e4 LT |
3895 | struct scatterlist *scatterlist = sglist->scatterlist; |
3896 | int i; | |
3897 | ||
12baa420 | 3898 | ipr_cmd->dma_use_sg = sglist->num_dma_sg; |
1da177e4 | 3899 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ; |
a32c055f WB |
3900 | ioarcb->data_transfer_length = cpu_to_be32(sglist->buffer_len); |
3901 | ||
3902 | ioarcb->ioadl_len = | |
1da177e4 LT |
3903 | cpu_to_be32(sizeof(struct ipr_ioadl_desc) * ipr_cmd->dma_use_sg); |
3904 | ||
3905 | for (i = 0; i < ipr_cmd->dma_use_sg; i++) { | |
3906 | ioadl[i].flags_and_data_len = | |
3907 | cpu_to_be32(IPR_IOADL_FLAGS_WRITE | sg_dma_len(&scatterlist[i])); | |
3908 | ioadl[i].address = | |
3909 | cpu_to_be32(sg_dma_address(&scatterlist[i])); | |
3910 | } | |
3911 | ||
12baa420 BK |
3912 | ioadl[i-1].flags_and_data_len |= |
3913 | cpu_to_be32(IPR_IOADL_FLAGS_LAST); | |
3914 | } | |
3915 | ||
3916 | /** | |
3917 | * ipr_update_ioa_ucode - Update IOA's microcode | |
3918 | * @ioa_cfg: ioa config struct | |
3919 | * @sglist: scatter/gather list | |
3920 | * | |
3921 | * Initiate an adapter reset to update the IOA's microcode | |
3922 | * | |
3923 | * Return value: | |
3924 | * 0 on success / -EIO on failure | |
3925 | **/ | |
3926 | static int ipr_update_ioa_ucode(struct ipr_ioa_cfg *ioa_cfg, | |
3927 | struct ipr_sglist *sglist) | |
3928 | { | |
3929 | unsigned long lock_flags; | |
3930 | ||
3931 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
203fa3fe | 3932 | while (ioa_cfg->in_reset_reload) { |
970ea294 BK |
3933 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
3934 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
3935 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3936 | } | |
12baa420 BK |
3937 | |
3938 | if (ioa_cfg->ucode_sglist) { | |
3939 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3940 | dev_err(&ioa_cfg->pdev->dev, | |
3941 | "Microcode download already in progress\n"); | |
3942 | return -EIO; | |
1da177e4 | 3943 | } |
12baa420 BK |
3944 | |
3945 | sglist->num_dma_sg = pci_map_sg(ioa_cfg->pdev, sglist->scatterlist, | |
3946 | sglist->num_sg, DMA_TO_DEVICE); | |
3947 | ||
3948 | if (!sglist->num_dma_sg) { | |
3949 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3950 | dev_err(&ioa_cfg->pdev->dev, | |
3951 | "Failed to map microcode download buffer!\n"); | |
1da177e4 LT |
3952 | return -EIO; |
3953 | } | |
3954 | ||
12baa420 BK |
3955 | ioa_cfg->ucode_sglist = sglist; |
3956 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NORMAL); | |
3957 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3958 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
3959 | ||
3960 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3961 | ioa_cfg->ucode_sglist = NULL; | |
3962 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
1da177e4 LT |
3963 | return 0; |
3964 | } | |
3965 | ||
3966 | /** | |
3967 | * ipr_store_update_fw - Update the firmware on the adapter | |
ee959b00 TJ |
3968 | * @class_dev: device struct |
3969 | * @buf: buffer | |
3970 | * @count: buffer size | |
1da177e4 LT |
3971 | * |
3972 | * This function will update the firmware on the adapter. | |
3973 | * | |
3974 | * Return value: | |
3975 | * count on success / other on failure | |
3976 | **/ | |
ee959b00 TJ |
3977 | static ssize_t ipr_store_update_fw(struct device *dev, |
3978 | struct device_attribute *attr, | |
3979 | const char *buf, size_t count) | |
1da177e4 | 3980 | { |
ee959b00 | 3981 | struct Scsi_Host *shost = class_to_shost(dev); |
1da177e4 LT |
3982 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
3983 | struct ipr_ucode_image_header *image_hdr; | |
3984 | const struct firmware *fw_entry; | |
3985 | struct ipr_sglist *sglist; | |
1da177e4 LT |
3986 | char fname[100]; |
3987 | char *src; | |
3988 | int len, result, dnld_size; | |
3989 | ||
3990 | if (!capable(CAP_SYS_ADMIN)) | |
3991 | return -EACCES; | |
3992 | ||
3993 | len = snprintf(fname, 99, "%s", buf); | |
3994 | fname[len-1] = '\0'; | |
3995 | ||
203fa3fe | 3996 | if (request_firmware(&fw_entry, fname, &ioa_cfg->pdev->dev)) { |
1da177e4 LT |
3997 | dev_err(&ioa_cfg->pdev->dev, "Firmware file %s not found\n", fname); |
3998 | return -EIO; | |
3999 | } | |
4000 | ||
4001 | image_hdr = (struct ipr_ucode_image_header *)fw_entry->data; | |
4002 | ||
1da177e4 LT |
4003 | src = (u8 *)image_hdr + be32_to_cpu(image_hdr->header_length); |
4004 | dnld_size = fw_entry->size - be32_to_cpu(image_hdr->header_length); | |
4005 | sglist = ipr_alloc_ucode_buffer(dnld_size); | |
4006 | ||
4007 | if (!sglist) { | |
4008 | dev_err(&ioa_cfg->pdev->dev, "Microcode buffer allocation failed\n"); | |
4009 | release_firmware(fw_entry); | |
4010 | return -ENOMEM; | |
4011 | } | |
4012 | ||
4013 | result = ipr_copy_ucode_buffer(sglist, src, dnld_size); | |
4014 | ||
4015 | if (result) { | |
4016 | dev_err(&ioa_cfg->pdev->dev, | |
4017 | "Microcode buffer copy to DMA buffer failed\n"); | |
12baa420 | 4018 | goto out; |
1da177e4 LT |
4019 | } |
4020 | ||
14ed9cc7 WB |
4021 | ipr_info("Updating microcode, please be patient. This may take up to 30 minutes.\n"); |
4022 | ||
12baa420 | 4023 | result = ipr_update_ioa_ucode(ioa_cfg, sglist); |
1da177e4 | 4024 | |
12baa420 BK |
4025 | if (!result) |
4026 | result = count; | |
4027 | out: | |
1da177e4 LT |
4028 | ipr_free_ucode_buffer(sglist); |
4029 | release_firmware(fw_entry); | |
12baa420 | 4030 | return result; |
1da177e4 LT |
4031 | } |
4032 | ||
ee959b00 | 4033 | static struct device_attribute ipr_update_fw_attr = { |
1da177e4 LT |
4034 | .attr = { |
4035 | .name = "update_fw", | |
4036 | .mode = S_IWUSR, | |
4037 | }, | |
4038 | .store = ipr_store_update_fw | |
4039 | }; | |
4040 | ||
75576bb9 WB |
4041 | /** |
4042 | * ipr_show_fw_type - Show the adapter's firmware type. | |
4043 | * @dev: class device struct | |
4044 | * @buf: buffer | |
4045 | * | |
4046 | * Return value: | |
4047 | * number of bytes printed to buffer | |
4048 | **/ | |
4049 | static ssize_t ipr_show_fw_type(struct device *dev, | |
4050 | struct device_attribute *attr, char *buf) | |
4051 | { | |
4052 | struct Scsi_Host *shost = class_to_shost(dev); | |
4053 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; | |
4054 | unsigned long lock_flags = 0; | |
4055 | int len; | |
4056 | ||
4057 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4058 | len = snprintf(buf, PAGE_SIZE, "%d\n", ioa_cfg->sis64); | |
4059 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4060 | return len; | |
4061 | } | |
4062 | ||
4063 | static struct device_attribute ipr_ioa_fw_type_attr = { | |
4064 | .attr = { | |
4065 | .name = "fw_type", | |
4066 | .mode = S_IRUGO, | |
4067 | }, | |
4068 | .show = ipr_show_fw_type | |
4069 | }; | |
4070 | ||
ee959b00 | 4071 | static struct device_attribute *ipr_ioa_attrs[] = { |
1da177e4 LT |
4072 | &ipr_fw_version_attr, |
4073 | &ipr_log_level_attr, | |
4074 | &ipr_diagnostics_attr, | |
f37eb54b | 4075 | &ipr_ioa_state_attr, |
1da177e4 LT |
4076 | &ipr_ioa_reset_attr, |
4077 | &ipr_update_fw_attr, | |
75576bb9 | 4078 | &ipr_ioa_fw_type_attr, |
b53d124a | 4079 | &ipr_iopoll_weight_attr, |
1da177e4 LT |
4080 | NULL, |
4081 | }; | |
4082 | ||
4083 | #ifdef CONFIG_SCSI_IPR_DUMP | |
4084 | /** | |
4085 | * ipr_read_dump - Dump the adapter | |
2c3c8bea | 4086 | * @filp: open sysfs file |
1da177e4 | 4087 | * @kobj: kobject struct |
91a69029 | 4088 | * @bin_attr: bin_attribute struct |
1da177e4 LT |
4089 | * @buf: buffer |
4090 | * @off: offset | |
4091 | * @count: buffer size | |
4092 | * | |
4093 | * Return value: | |
4094 | * number of bytes printed to buffer | |
4095 | **/ | |
2c3c8bea | 4096 | static ssize_t ipr_read_dump(struct file *filp, struct kobject *kobj, |
91a69029 ZR |
4097 | struct bin_attribute *bin_attr, |
4098 | char *buf, loff_t off, size_t count) | |
1da177e4 | 4099 | { |
ee959b00 | 4100 | struct device *cdev = container_of(kobj, struct device, kobj); |
1da177e4 LT |
4101 | struct Scsi_Host *shost = class_to_shost(cdev); |
4102 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; | |
4103 | struct ipr_dump *dump; | |
4104 | unsigned long lock_flags = 0; | |
4105 | char *src; | |
4d4dd706 | 4106 | int len, sdt_end; |
1da177e4 LT |
4107 | size_t rc = count; |
4108 | ||
4109 | if (!capable(CAP_SYS_ADMIN)) | |
4110 | return -EACCES; | |
4111 | ||
4112 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4113 | dump = ioa_cfg->dump; | |
4114 | ||
4115 | if (ioa_cfg->sdt_state != DUMP_OBTAINED || !dump) { | |
4116 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4117 | return 0; | |
4118 | } | |
4119 | kref_get(&dump->kref); | |
4120 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4121 | ||
4122 | if (off > dump->driver_dump.hdr.len) { | |
4123 | kref_put(&dump->kref, ipr_release_dump); | |
4124 | return 0; | |
4125 | } | |
4126 | ||
4127 | if (off + count > dump->driver_dump.hdr.len) { | |
4128 | count = dump->driver_dump.hdr.len - off; | |
4129 | rc = count; | |
4130 | } | |
4131 | ||
4132 | if (count && off < sizeof(dump->driver_dump)) { | |
4133 | if (off + count > sizeof(dump->driver_dump)) | |
4134 | len = sizeof(dump->driver_dump) - off; | |
4135 | else | |
4136 | len = count; | |
4137 | src = (u8 *)&dump->driver_dump + off; | |
4138 | memcpy(buf, src, len); | |
4139 | buf += len; | |
4140 | off += len; | |
4141 | count -= len; | |
4142 | } | |
4143 | ||
4144 | off -= sizeof(dump->driver_dump); | |
4145 | ||
4d4dd706 KSS |
4146 | if (ioa_cfg->sis64) |
4147 | sdt_end = offsetof(struct ipr_ioa_dump, sdt.entry) + | |
4148 | (be32_to_cpu(dump->ioa_dump.sdt.hdr.num_entries_used) * | |
4149 | sizeof(struct ipr_sdt_entry)); | |
4150 | else | |
4151 | sdt_end = offsetof(struct ipr_ioa_dump, sdt.entry) + | |
4152 | (IPR_FMT2_NUM_SDT_ENTRIES * sizeof(struct ipr_sdt_entry)); | |
4153 | ||
4154 | if (count && off < sdt_end) { | |
4155 | if (off + count > sdt_end) | |
4156 | len = sdt_end - off; | |
1da177e4 LT |
4157 | else |
4158 | len = count; | |
4159 | src = (u8 *)&dump->ioa_dump + off; | |
4160 | memcpy(buf, src, len); | |
4161 | buf += len; | |
4162 | off += len; | |
4163 | count -= len; | |
4164 | } | |
4165 | ||
4d4dd706 | 4166 | off -= sdt_end; |
1da177e4 LT |
4167 | |
4168 | while (count) { | |
4169 | if ((off & PAGE_MASK) != ((off + count) & PAGE_MASK)) | |
4170 | len = PAGE_ALIGN(off) - off; | |
4171 | else | |
4172 | len = count; | |
4173 | src = (u8 *)dump->ioa_dump.ioa_data[(off & PAGE_MASK) >> PAGE_SHIFT]; | |
4174 | src += off & ~PAGE_MASK; | |
4175 | memcpy(buf, src, len); | |
4176 | buf += len; | |
4177 | off += len; | |
4178 | count -= len; | |
4179 | } | |
4180 | ||
4181 | kref_put(&dump->kref, ipr_release_dump); | |
4182 | return rc; | |
4183 | } | |
4184 | ||
4185 | /** | |
4186 | * ipr_alloc_dump - Prepare for adapter dump | |
4187 | * @ioa_cfg: ioa config struct | |
4188 | * | |
4189 | * Return value: | |
4190 | * 0 on success / other on failure | |
4191 | **/ | |
4192 | static int ipr_alloc_dump(struct ipr_ioa_cfg *ioa_cfg) | |
4193 | { | |
4194 | struct ipr_dump *dump; | |
4d4dd706 | 4195 | __be32 **ioa_data; |
1da177e4 LT |
4196 | unsigned long lock_flags = 0; |
4197 | ||
0bc42e35 | 4198 | dump = kzalloc(sizeof(struct ipr_dump), GFP_KERNEL); |
1da177e4 LT |
4199 | |
4200 | if (!dump) { | |
4201 | ipr_err("Dump memory allocation failed\n"); | |
4202 | return -ENOMEM; | |
4203 | } | |
4204 | ||
4d4dd706 KSS |
4205 | if (ioa_cfg->sis64) |
4206 | ioa_data = vmalloc(IPR_FMT3_MAX_NUM_DUMP_PAGES * sizeof(__be32 *)); | |
4207 | else | |
4208 | ioa_data = vmalloc(IPR_FMT2_MAX_NUM_DUMP_PAGES * sizeof(__be32 *)); | |
4209 | ||
4210 | if (!ioa_data) { | |
4211 | ipr_err("Dump memory allocation failed\n"); | |
4212 | kfree(dump); | |
4213 | return -ENOMEM; | |
4214 | } | |
4215 | ||
4216 | dump->ioa_dump.ioa_data = ioa_data; | |
4217 | ||
1da177e4 LT |
4218 | kref_init(&dump->kref); |
4219 | dump->ioa_cfg = ioa_cfg; | |
4220 | ||
4221 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4222 | ||
4223 | if (INACTIVE != ioa_cfg->sdt_state) { | |
4224 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4d4dd706 | 4225 | vfree(dump->ioa_dump.ioa_data); |
1da177e4 LT |
4226 | kfree(dump); |
4227 | return 0; | |
4228 | } | |
4229 | ||
4230 | ioa_cfg->dump = dump; | |
4231 | ioa_cfg->sdt_state = WAIT_FOR_DUMP; | |
56d6aa33 | 4232 | if (ioa_cfg->hrrq[IPR_INIT_HRRQ].ioa_is_dead && !ioa_cfg->dump_taken) { |
1da177e4 LT |
4233 | ioa_cfg->dump_taken = 1; |
4234 | schedule_work(&ioa_cfg->work_q); | |
4235 | } | |
4236 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4237 | ||
1da177e4 LT |
4238 | return 0; |
4239 | } | |
4240 | ||
4241 | /** | |
4242 | * ipr_free_dump - Free adapter dump memory | |
4243 | * @ioa_cfg: ioa config struct | |
4244 | * | |
4245 | * Return value: | |
4246 | * 0 on success / other on failure | |
4247 | **/ | |
4248 | static int ipr_free_dump(struct ipr_ioa_cfg *ioa_cfg) | |
4249 | { | |
4250 | struct ipr_dump *dump; | |
4251 | unsigned long lock_flags = 0; | |
4252 | ||
4253 | ENTER; | |
4254 | ||
4255 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4256 | dump = ioa_cfg->dump; | |
4257 | if (!dump) { | |
4258 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4259 | return 0; | |
4260 | } | |
4261 | ||
4262 | ioa_cfg->dump = NULL; | |
4263 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4264 | ||
4265 | kref_put(&dump->kref, ipr_release_dump); | |
4266 | ||
4267 | LEAVE; | |
4268 | return 0; | |
4269 | } | |
4270 | ||
4271 | /** | |
4272 | * ipr_write_dump - Setup dump state of adapter | |
2c3c8bea | 4273 | * @filp: open sysfs file |
1da177e4 | 4274 | * @kobj: kobject struct |
91a69029 | 4275 | * @bin_attr: bin_attribute struct |
1da177e4 LT |
4276 | * @buf: buffer |
4277 | * @off: offset | |
4278 | * @count: buffer size | |
4279 | * | |
4280 | * Return value: | |
4281 | * number of bytes printed to buffer | |
4282 | **/ | |
2c3c8bea | 4283 | static ssize_t ipr_write_dump(struct file *filp, struct kobject *kobj, |
91a69029 ZR |
4284 | struct bin_attribute *bin_attr, |
4285 | char *buf, loff_t off, size_t count) | |
1da177e4 | 4286 | { |
ee959b00 | 4287 | struct device *cdev = container_of(kobj, struct device, kobj); |
1da177e4 LT |
4288 | struct Scsi_Host *shost = class_to_shost(cdev); |
4289 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; | |
4290 | int rc; | |
4291 | ||
4292 | if (!capable(CAP_SYS_ADMIN)) | |
4293 | return -EACCES; | |
4294 | ||
4295 | if (buf[0] == '1') | |
4296 | rc = ipr_alloc_dump(ioa_cfg); | |
4297 | else if (buf[0] == '0') | |
4298 | rc = ipr_free_dump(ioa_cfg); | |
4299 | else | |
4300 | return -EINVAL; | |
4301 | ||
4302 | if (rc) | |
4303 | return rc; | |
4304 | else | |
4305 | return count; | |
4306 | } | |
4307 | ||
4308 | static struct bin_attribute ipr_dump_attr = { | |
4309 | .attr = { | |
4310 | .name = "dump", | |
4311 | .mode = S_IRUSR | S_IWUSR, | |
4312 | }, | |
4313 | .size = 0, | |
4314 | .read = ipr_read_dump, | |
4315 | .write = ipr_write_dump | |
4316 | }; | |
4317 | #else | |
4318 | static int ipr_free_dump(struct ipr_ioa_cfg *ioa_cfg) { return 0; }; | |
4319 | #endif | |
4320 | ||
4321 | /** | |
4322 | * ipr_change_queue_depth - Change the device's queue depth | |
4323 | * @sdev: scsi device struct | |
4324 | * @qdepth: depth to set | |
e881a172 | 4325 | * @reason: calling context |
1da177e4 LT |
4326 | * |
4327 | * Return value: | |
4328 | * actual depth set | |
4329 | **/ | |
e881a172 MC |
4330 | static int ipr_change_queue_depth(struct scsi_device *sdev, int qdepth, |
4331 | int reason) | |
1da177e4 | 4332 | { |
35a39691 BK |
4333 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)sdev->host->hostdata; |
4334 | struct ipr_resource_entry *res; | |
4335 | unsigned long lock_flags = 0; | |
4336 | ||
e881a172 MC |
4337 | if (reason != SCSI_QDEPTH_DEFAULT) |
4338 | return -EOPNOTSUPP; | |
4339 | ||
35a39691 BK |
4340 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); |
4341 | res = (struct ipr_resource_entry *)sdev->hostdata; | |
4342 | ||
4343 | if (res && ipr_is_gata(res) && qdepth > IPR_MAX_CMD_PER_ATA_LUN) | |
4344 | qdepth = IPR_MAX_CMD_PER_ATA_LUN; | |
4345 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4346 | ||
c8b09f6f | 4347 | scsi_adjust_queue_depth(sdev, qdepth); |
1da177e4 LT |
4348 | return sdev->queue_depth; |
4349 | } | |
4350 | ||
4351 | /** | |
4352 | * ipr_change_queue_type - Change the device's queue type | |
4353 | * @dsev: scsi device struct | |
4354 | * @tag_type: type of tags to use | |
4355 | * | |
4356 | * Return value: | |
4357 | * actual queue type set | |
4358 | **/ | |
4359 | static int ipr_change_queue_type(struct scsi_device *sdev, int tag_type) | |
4360 | { | |
4361 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)sdev->host->hostdata; | |
4362 | struct ipr_resource_entry *res; | |
4363 | unsigned long lock_flags = 0; | |
4364 | ||
4365 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4366 | res = (struct ipr_resource_entry *)sdev->hostdata; | |
a62182f3 CH |
4367 | if (res && ipr_is_gscsi(res)) |
4368 | tag_type = scsi_change_queue_type(sdev, tag_type); | |
4369 | else | |
1da177e4 | 4370 | tag_type = 0; |
1da177e4 LT |
4371 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
4372 | return tag_type; | |
4373 | } | |
4374 | ||
4375 | /** | |
4376 | * ipr_show_adapter_handle - Show the adapter's resource handle for this device | |
4377 | * @dev: device struct | |
46d74563 | 4378 | * @attr: device attribute structure |
1da177e4 LT |
4379 | * @buf: buffer |
4380 | * | |
4381 | * Return value: | |
4382 | * number of bytes printed to buffer | |
4383 | **/ | |
10523b3b | 4384 | static ssize_t ipr_show_adapter_handle(struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 LT |
4385 | { |
4386 | struct scsi_device *sdev = to_scsi_device(dev); | |
4387 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)sdev->host->hostdata; | |
4388 | struct ipr_resource_entry *res; | |
4389 | unsigned long lock_flags = 0; | |
4390 | ssize_t len = -ENXIO; | |
4391 | ||
4392 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4393 | res = (struct ipr_resource_entry *)sdev->hostdata; | |
4394 | if (res) | |
3e7ebdfa | 4395 | len = snprintf(buf, PAGE_SIZE, "%08X\n", res->res_handle); |
1da177e4 LT |
4396 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
4397 | return len; | |
4398 | } | |
4399 | ||
4400 | static struct device_attribute ipr_adapter_handle_attr = { | |
4401 | .attr = { | |
4402 | .name = "adapter_handle", | |
4403 | .mode = S_IRUSR, | |
4404 | }, | |
4405 | .show = ipr_show_adapter_handle | |
4406 | }; | |
4407 | ||
3e7ebdfa | 4408 | /** |
5adcbeb3 WB |
4409 | * ipr_show_resource_path - Show the resource path or the resource address for |
4410 | * this device. | |
3e7ebdfa | 4411 | * @dev: device struct |
46d74563 | 4412 | * @attr: device attribute structure |
3e7ebdfa WB |
4413 | * @buf: buffer |
4414 | * | |
4415 | * Return value: | |
4416 | * number of bytes printed to buffer | |
4417 | **/ | |
4418 | static ssize_t ipr_show_resource_path(struct device *dev, struct device_attribute *attr, char *buf) | |
4419 | { | |
4420 | struct scsi_device *sdev = to_scsi_device(dev); | |
4421 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)sdev->host->hostdata; | |
4422 | struct ipr_resource_entry *res; | |
4423 | unsigned long lock_flags = 0; | |
4424 | ssize_t len = -ENXIO; | |
4425 | char buffer[IPR_MAX_RES_PATH_LENGTH]; | |
4426 | ||
4427 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4428 | res = (struct ipr_resource_entry *)sdev->hostdata; | |
5adcbeb3 | 4429 | if (res && ioa_cfg->sis64) |
3e7ebdfa | 4430 | len = snprintf(buf, PAGE_SIZE, "%s\n", |
b3b3b407 BK |
4431 | __ipr_format_res_path(res->res_path, buffer, |
4432 | sizeof(buffer))); | |
5adcbeb3 WB |
4433 | else if (res) |
4434 | len = snprintf(buf, PAGE_SIZE, "%d:%d:%d:%d\n", ioa_cfg->host->host_no, | |
4435 | res->bus, res->target, res->lun); | |
4436 | ||
3e7ebdfa WB |
4437 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
4438 | return len; | |
4439 | } | |
4440 | ||
4441 | static struct device_attribute ipr_resource_path_attr = { | |
4442 | .attr = { | |
4443 | .name = "resource_path", | |
75576bb9 | 4444 | .mode = S_IRUGO, |
3e7ebdfa WB |
4445 | }, |
4446 | .show = ipr_show_resource_path | |
4447 | }; | |
4448 | ||
46d74563 WB |
4449 | /** |
4450 | * ipr_show_device_id - Show the device_id for this device. | |
4451 | * @dev: device struct | |
4452 | * @attr: device attribute structure | |
4453 | * @buf: buffer | |
4454 | * | |
4455 | * Return value: | |
4456 | * number of bytes printed to buffer | |
4457 | **/ | |
4458 | static ssize_t ipr_show_device_id(struct device *dev, struct device_attribute *attr, char *buf) | |
4459 | { | |
4460 | struct scsi_device *sdev = to_scsi_device(dev); | |
4461 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)sdev->host->hostdata; | |
4462 | struct ipr_resource_entry *res; | |
4463 | unsigned long lock_flags = 0; | |
4464 | ssize_t len = -ENXIO; | |
4465 | ||
4466 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4467 | res = (struct ipr_resource_entry *)sdev->hostdata; | |
4468 | if (res && ioa_cfg->sis64) | |
4469 | len = snprintf(buf, PAGE_SIZE, "0x%llx\n", res->dev_id); | |
4470 | else if (res) | |
4471 | len = snprintf(buf, PAGE_SIZE, "0x%llx\n", res->lun_wwn); | |
4472 | ||
4473 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4474 | return len; | |
4475 | } | |
4476 | ||
4477 | static struct device_attribute ipr_device_id_attr = { | |
4478 | .attr = { | |
4479 | .name = "device_id", | |
4480 | .mode = S_IRUGO, | |
4481 | }, | |
4482 | .show = ipr_show_device_id | |
4483 | }; | |
4484 | ||
75576bb9 WB |
4485 | /** |
4486 | * ipr_show_resource_type - Show the resource type for this device. | |
4487 | * @dev: device struct | |
46d74563 | 4488 | * @attr: device attribute structure |
75576bb9 WB |
4489 | * @buf: buffer |
4490 | * | |
4491 | * Return value: | |
4492 | * number of bytes printed to buffer | |
4493 | **/ | |
4494 | static ssize_t ipr_show_resource_type(struct device *dev, struct device_attribute *attr, char *buf) | |
4495 | { | |
4496 | struct scsi_device *sdev = to_scsi_device(dev); | |
4497 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)sdev->host->hostdata; | |
4498 | struct ipr_resource_entry *res; | |
4499 | unsigned long lock_flags = 0; | |
4500 | ssize_t len = -ENXIO; | |
4501 | ||
4502 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4503 | res = (struct ipr_resource_entry *)sdev->hostdata; | |
4504 | ||
4505 | if (res) | |
4506 | len = snprintf(buf, PAGE_SIZE, "%x\n", res->type); | |
4507 | ||
4508 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4509 | return len; | |
4510 | } | |
4511 | ||
4512 | static struct device_attribute ipr_resource_type_attr = { | |
4513 | .attr = { | |
4514 | .name = "resource_type", | |
4515 | .mode = S_IRUGO, | |
4516 | }, | |
4517 | .show = ipr_show_resource_type | |
4518 | }; | |
4519 | ||
1da177e4 LT |
4520 | static struct device_attribute *ipr_dev_attrs[] = { |
4521 | &ipr_adapter_handle_attr, | |
3e7ebdfa | 4522 | &ipr_resource_path_attr, |
46d74563 | 4523 | &ipr_device_id_attr, |
75576bb9 | 4524 | &ipr_resource_type_attr, |
1da177e4 LT |
4525 | NULL, |
4526 | }; | |
4527 | ||
4528 | /** | |
4529 | * ipr_biosparam - Return the HSC mapping | |
4530 | * @sdev: scsi device struct | |
4531 | * @block_device: block device pointer | |
4532 | * @capacity: capacity of the device | |
4533 | * @parm: Array containing returned HSC values. | |
4534 | * | |
4535 | * This function generates the HSC parms that fdisk uses. | |
4536 | * We want to make sure we return something that places partitions | |
4537 | * on 4k boundaries for best performance with the IOA. | |
4538 | * | |
4539 | * Return value: | |
4540 | * 0 on success | |
4541 | **/ | |
4542 | static int ipr_biosparam(struct scsi_device *sdev, | |
4543 | struct block_device *block_device, | |
4544 | sector_t capacity, int *parm) | |
4545 | { | |
4546 | int heads, sectors; | |
4547 | sector_t cylinders; | |
4548 | ||
4549 | heads = 128; | |
4550 | sectors = 32; | |
4551 | ||
4552 | cylinders = capacity; | |
4553 | sector_div(cylinders, (128 * 32)); | |
4554 | ||
4555 | /* return result */ | |
4556 | parm[0] = heads; | |
4557 | parm[1] = sectors; | |
4558 | parm[2] = cylinders; | |
4559 | ||
4560 | return 0; | |
4561 | } | |
4562 | ||
35a39691 BK |
4563 | /** |
4564 | * ipr_find_starget - Find target based on bus/target. | |
4565 | * @starget: scsi target struct | |
4566 | * | |
4567 | * Return value: | |
4568 | * resource entry pointer if found / NULL if not found | |
4569 | **/ | |
4570 | static struct ipr_resource_entry *ipr_find_starget(struct scsi_target *starget) | |
4571 | { | |
4572 | struct Scsi_Host *shost = dev_to_shost(&starget->dev); | |
4573 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *) shost->hostdata; | |
4574 | struct ipr_resource_entry *res; | |
4575 | ||
4576 | list_for_each_entry(res, &ioa_cfg->used_res_q, queue) { | |
3e7ebdfa | 4577 | if ((res->bus == starget->channel) && |
0ee1d714 | 4578 | (res->target == starget->id)) { |
35a39691 BK |
4579 | return res; |
4580 | } | |
4581 | } | |
4582 | ||
4583 | return NULL; | |
4584 | } | |
4585 | ||
4586 | static struct ata_port_info sata_port_info; | |
4587 | ||
4588 | /** | |
4589 | * ipr_target_alloc - Prepare for commands to a SCSI target | |
4590 | * @starget: scsi target struct | |
4591 | * | |
4592 | * If the device is a SATA device, this function allocates an | |
4593 | * ATA port with libata, else it does nothing. | |
4594 | * | |
4595 | * Return value: | |
4596 | * 0 on success / non-0 on failure | |
4597 | **/ | |
4598 | static int ipr_target_alloc(struct scsi_target *starget) | |
4599 | { | |
4600 | struct Scsi_Host *shost = dev_to_shost(&starget->dev); | |
4601 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *) shost->hostdata; | |
4602 | struct ipr_sata_port *sata_port; | |
4603 | struct ata_port *ap; | |
4604 | struct ipr_resource_entry *res; | |
4605 | unsigned long lock_flags; | |
4606 | ||
4607 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4608 | res = ipr_find_starget(starget); | |
4609 | starget->hostdata = NULL; | |
4610 | ||
4611 | if (res && ipr_is_gata(res)) { | |
4612 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4613 | sata_port = kzalloc(sizeof(*sata_port), GFP_KERNEL); | |
4614 | if (!sata_port) | |
4615 | return -ENOMEM; | |
4616 | ||
4617 | ap = ata_sas_port_alloc(&ioa_cfg->ata_host, &sata_port_info, shost); | |
4618 | if (ap) { | |
4619 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4620 | sata_port->ioa_cfg = ioa_cfg; | |
4621 | sata_port->ap = ap; | |
4622 | sata_port->res = res; | |
4623 | ||
4624 | res->sata_port = sata_port; | |
4625 | ap->private_data = sata_port; | |
4626 | starget->hostdata = sata_port; | |
4627 | } else { | |
4628 | kfree(sata_port); | |
4629 | return -ENOMEM; | |
4630 | } | |
4631 | } | |
4632 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4633 | ||
4634 | return 0; | |
4635 | } | |
4636 | ||
4637 | /** | |
4638 | * ipr_target_destroy - Destroy a SCSI target | |
4639 | * @starget: scsi target struct | |
4640 | * | |
4641 | * If the device was a SATA device, this function frees the libata | |
4642 | * ATA port, else it does nothing. | |
4643 | * | |
4644 | **/ | |
4645 | static void ipr_target_destroy(struct scsi_target *starget) | |
4646 | { | |
4647 | struct ipr_sata_port *sata_port = starget->hostdata; | |
3e7ebdfa WB |
4648 | struct Scsi_Host *shost = dev_to_shost(&starget->dev); |
4649 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *) shost->hostdata; | |
4650 | ||
4651 | if (ioa_cfg->sis64) { | |
0ee1d714 BK |
4652 | if (!ipr_find_starget(starget)) { |
4653 | if (starget->channel == IPR_ARRAY_VIRTUAL_BUS) | |
4654 | clear_bit(starget->id, ioa_cfg->array_ids); | |
4655 | else if (starget->channel == IPR_VSET_VIRTUAL_BUS) | |
4656 | clear_bit(starget->id, ioa_cfg->vset_ids); | |
4657 | else if (starget->channel == 0) | |
4658 | clear_bit(starget->id, ioa_cfg->target_ids); | |
4659 | } | |
3e7ebdfa | 4660 | } |
35a39691 BK |
4661 | |
4662 | if (sata_port) { | |
4663 | starget->hostdata = NULL; | |
4664 | ata_sas_port_destroy(sata_port->ap); | |
4665 | kfree(sata_port); | |
4666 | } | |
4667 | } | |
4668 | ||
4669 | /** | |
4670 | * ipr_find_sdev - Find device based on bus/target/lun. | |
4671 | * @sdev: scsi device struct | |
4672 | * | |
4673 | * Return value: | |
4674 | * resource entry pointer if found / NULL if not found | |
4675 | **/ | |
4676 | static struct ipr_resource_entry *ipr_find_sdev(struct scsi_device *sdev) | |
4677 | { | |
4678 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *) sdev->host->hostdata; | |
4679 | struct ipr_resource_entry *res; | |
4680 | ||
4681 | list_for_each_entry(res, &ioa_cfg->used_res_q, queue) { | |
3e7ebdfa WB |
4682 | if ((res->bus == sdev->channel) && |
4683 | (res->target == sdev->id) && | |
4684 | (res->lun == sdev->lun)) | |
35a39691 BK |
4685 | return res; |
4686 | } | |
4687 | ||
4688 | return NULL; | |
4689 | } | |
4690 | ||
1da177e4 LT |
4691 | /** |
4692 | * ipr_slave_destroy - Unconfigure a SCSI device | |
4693 | * @sdev: scsi device struct | |
4694 | * | |
4695 | * Return value: | |
4696 | * nothing | |
4697 | **/ | |
4698 | static void ipr_slave_destroy(struct scsi_device *sdev) | |
4699 | { | |
4700 | struct ipr_resource_entry *res; | |
4701 | struct ipr_ioa_cfg *ioa_cfg; | |
4702 | unsigned long lock_flags = 0; | |
4703 | ||
4704 | ioa_cfg = (struct ipr_ioa_cfg *) sdev->host->hostdata; | |
4705 | ||
4706 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4707 | res = (struct ipr_resource_entry *) sdev->hostdata; | |
4708 | if (res) { | |
35a39691 | 4709 | if (res->sata_port) |
3e4ec344 | 4710 | res->sata_port->ap->link.device[0].class = ATA_DEV_NONE; |
1da177e4 LT |
4711 | sdev->hostdata = NULL; |
4712 | res->sdev = NULL; | |
35a39691 | 4713 | res->sata_port = NULL; |
1da177e4 LT |
4714 | } |
4715 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4716 | } | |
4717 | ||
4718 | /** | |
4719 | * ipr_slave_configure - Configure a SCSI device | |
4720 | * @sdev: scsi device struct | |
4721 | * | |
4722 | * This function configures the specified scsi device. | |
4723 | * | |
4724 | * Return value: | |
4725 | * 0 on success | |
4726 | **/ | |
4727 | static int ipr_slave_configure(struct scsi_device *sdev) | |
4728 | { | |
4729 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *) sdev->host->hostdata; | |
4730 | struct ipr_resource_entry *res; | |
dd406ef8 | 4731 | struct ata_port *ap = NULL; |
1da177e4 | 4732 | unsigned long lock_flags = 0; |
3e7ebdfa | 4733 | char buffer[IPR_MAX_RES_PATH_LENGTH]; |
1da177e4 LT |
4734 | |
4735 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4736 | res = sdev->hostdata; | |
4737 | if (res) { | |
4738 | if (ipr_is_af_dasd_device(res)) | |
4739 | sdev->type = TYPE_RAID; | |
0726ce26 | 4740 | if (ipr_is_af_dasd_device(res) || ipr_is_ioa_resource(res)) { |
1da177e4 | 4741 | sdev->scsi_level = 4; |
0726ce26 BK |
4742 | sdev->no_uld_attach = 1; |
4743 | } | |
1da177e4 | 4744 | if (ipr_is_vset_device(res)) { |
242f9dcb JA |
4745 | blk_queue_rq_timeout(sdev->request_queue, |
4746 | IPR_VSET_RW_TIMEOUT); | |
086fa5ff | 4747 | blk_queue_max_hw_sectors(sdev->request_queue, IPR_VSET_MAX_SECTORS); |
1da177e4 | 4748 | } |
dd406ef8 BK |
4749 | if (ipr_is_gata(res) && res->sata_port) |
4750 | ap = res->sata_port->ap; | |
4751 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4752 | ||
4753 | if (ap) { | |
c8b09f6f | 4754 | scsi_adjust_queue_depth(sdev, IPR_MAX_CMD_PER_ATA_LUN); |
dd406ef8 | 4755 | ata_sas_slave_configure(sdev, ap); |
c8b09f6f CH |
4756 | } |
4757 | ||
3e7ebdfa WB |
4758 | if (ioa_cfg->sis64) |
4759 | sdev_printk(KERN_INFO, sdev, "Resource path: %s\n", | |
b3b3b407 BK |
4760 | ipr_format_res_path(ioa_cfg, |
4761 | res->res_path, buffer, sizeof(buffer))); | |
dd406ef8 | 4762 | return 0; |
1da177e4 LT |
4763 | } |
4764 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4765 | return 0; | |
4766 | } | |
4767 | ||
35a39691 BK |
4768 | /** |
4769 | * ipr_ata_slave_alloc - Prepare for commands to a SATA device | |
4770 | * @sdev: scsi device struct | |
4771 | * | |
4772 | * This function initializes an ATA port so that future commands | |
4773 | * sent through queuecommand will work. | |
4774 | * | |
4775 | * Return value: | |
4776 | * 0 on success | |
4777 | **/ | |
4778 | static int ipr_ata_slave_alloc(struct scsi_device *sdev) | |
4779 | { | |
4780 | struct ipr_sata_port *sata_port = NULL; | |
4781 | int rc = -ENXIO; | |
4782 | ||
4783 | ENTER; | |
4784 | if (sdev->sdev_target) | |
4785 | sata_port = sdev->sdev_target->hostdata; | |
b2024459 | 4786 | if (sata_port) { |
35a39691 | 4787 | rc = ata_sas_port_init(sata_port->ap); |
b2024459 DW |
4788 | if (rc == 0) |
4789 | rc = ata_sas_sync_probe(sata_port->ap); | |
4790 | } | |
4791 | ||
35a39691 BK |
4792 | if (rc) |
4793 | ipr_slave_destroy(sdev); | |
4794 | ||
4795 | LEAVE; | |
4796 | return rc; | |
4797 | } | |
4798 | ||
1da177e4 LT |
4799 | /** |
4800 | * ipr_slave_alloc - Prepare for commands to a device. | |
4801 | * @sdev: scsi device struct | |
4802 | * | |
4803 | * This function saves a pointer to the resource entry | |
4804 | * in the scsi device struct if the device exists. We | |
4805 | * can then use this pointer in ipr_queuecommand when | |
4806 | * handling new commands. | |
4807 | * | |
4808 | * Return value: | |
692aebfc | 4809 | * 0 on success / -ENXIO if device does not exist |
1da177e4 LT |
4810 | **/ |
4811 | static int ipr_slave_alloc(struct scsi_device *sdev) | |
4812 | { | |
4813 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *) sdev->host->hostdata; | |
4814 | struct ipr_resource_entry *res; | |
4815 | unsigned long lock_flags; | |
692aebfc | 4816 | int rc = -ENXIO; |
1da177e4 LT |
4817 | |
4818 | sdev->hostdata = NULL; | |
4819 | ||
4820 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4821 | ||
35a39691 BK |
4822 | res = ipr_find_sdev(sdev); |
4823 | if (res) { | |
4824 | res->sdev = sdev; | |
4825 | res->add_to_ml = 0; | |
4826 | res->in_erp = 0; | |
4827 | sdev->hostdata = res; | |
4828 | if (!ipr_is_naca_model(res)) | |
4829 | res->needs_sync_complete = 1; | |
4830 | rc = 0; | |
4831 | if (ipr_is_gata(res)) { | |
4832 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4833 | return ipr_ata_slave_alloc(sdev); | |
1da177e4 LT |
4834 | } |
4835 | } | |
4836 | ||
4837 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4838 | ||
692aebfc | 4839 | return rc; |
1da177e4 LT |
4840 | } |
4841 | ||
70233ac5 | 4842 | static int ipr_eh_host_reset(struct scsi_cmnd *cmd) |
1da177e4 LT |
4843 | { |
4844 | struct ipr_ioa_cfg *ioa_cfg; | |
70233ac5 | 4845 | unsigned long lock_flags = 0; |
4846 | int rc = SUCCESS; | |
1da177e4 LT |
4847 | |
4848 | ENTER; | |
70233ac5 | 4849 | ioa_cfg = (struct ipr_ioa_cfg *) cmd->device->host->hostdata; |
4850 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
1da177e4 | 4851 | |
96b04db9 | 4852 | if (!ioa_cfg->in_reset_reload && !ioa_cfg->hrrq[IPR_INIT_HRRQ].ioa_is_dead) { |
70233ac5 | 4853 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_ABBREV); |
a92fa25c KSS |
4854 | dev_err(&ioa_cfg->pdev->dev, |
4855 | "Adapter being reset as a result of error recovery.\n"); | |
1da177e4 | 4856 | |
a92fa25c KSS |
4857 | if (WAIT_FOR_DUMP == ioa_cfg->sdt_state) |
4858 | ioa_cfg->sdt_state = GET_DUMP; | |
4859 | } | |
1da177e4 | 4860 | |
70233ac5 | 4861 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
4862 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
4863 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
df0ae249 | 4864 | |
70233ac5 | 4865 | /* If we got hit with a host reset while we were already resetting |
4866 | the adapter for some reason, and the reset failed. */ | |
4867 | if (ioa_cfg->hrrq[IPR_INIT_HRRQ].ioa_is_dead) { | |
4868 | ipr_trace; | |
4869 | rc = FAILED; | |
4870 | } | |
df0ae249 | 4871 | |
70233ac5 | 4872 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
4873 | LEAVE; | |
df0ae249 JG |
4874 | return rc; |
4875 | } | |
4876 | ||
c6513096 BK |
4877 | /** |
4878 | * ipr_device_reset - Reset the device | |
4879 | * @ioa_cfg: ioa config struct | |
4880 | * @res: resource entry struct | |
4881 | * | |
4882 | * This function issues a device reset to the affected device. | |
4883 | * If the device is a SCSI device, a LUN reset will be sent | |
4884 | * to the device first. If that does not work, a target reset | |
35a39691 BK |
4885 | * will be sent. If the device is a SATA device, a PHY reset will |
4886 | * be sent. | |
c6513096 BK |
4887 | * |
4888 | * Return value: | |
4889 | * 0 on success / non-zero on failure | |
4890 | **/ | |
4891 | static int ipr_device_reset(struct ipr_ioa_cfg *ioa_cfg, | |
4892 | struct ipr_resource_entry *res) | |
4893 | { | |
4894 | struct ipr_cmnd *ipr_cmd; | |
4895 | struct ipr_ioarcb *ioarcb; | |
4896 | struct ipr_cmd_pkt *cmd_pkt; | |
35a39691 | 4897 | struct ipr_ioarcb_ata_regs *regs; |
c6513096 BK |
4898 | u32 ioasc; |
4899 | ||
4900 | ENTER; | |
4901 | ipr_cmd = ipr_get_free_ipr_cmnd(ioa_cfg); | |
4902 | ioarcb = &ipr_cmd->ioarcb; | |
4903 | cmd_pkt = &ioarcb->cmd_pkt; | |
a32c055f WB |
4904 | |
4905 | if (ipr_cmd->ioa_cfg->sis64) { | |
4906 | regs = &ipr_cmd->i.ata_ioadl.regs; | |
4907 | ioarcb->add_cmd_parms_offset = cpu_to_be16(sizeof(*ioarcb)); | |
4908 | } else | |
4909 | regs = &ioarcb->u.add_data.u.regs; | |
c6513096 | 4910 | |
3e7ebdfa | 4911 | ioarcb->res_handle = res->res_handle; |
c6513096 BK |
4912 | cmd_pkt->request_type = IPR_RQTYPE_IOACMD; |
4913 | cmd_pkt->cdb[0] = IPR_RESET_DEVICE; | |
35a39691 BK |
4914 | if (ipr_is_gata(res)) { |
4915 | cmd_pkt->cdb[2] = IPR_ATA_PHY_RESET; | |
a32c055f | 4916 | ioarcb->add_cmd_parms_len = cpu_to_be16(sizeof(regs->flags)); |
35a39691 BK |
4917 | regs->flags |= IPR_ATA_FLAG_STATUS_ON_GOOD_COMPLETION; |
4918 | } | |
c6513096 BK |
4919 | |
4920 | ipr_send_blocking_cmd(ipr_cmd, ipr_timeout, IPR_DEVICE_RESET_TIMEOUT); | |
96d21f00 | 4921 | ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
05a6538a | 4922 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
96d21f00 WB |
4923 | if (ipr_is_gata(res) && res->sata_port && ioasc != IPR_IOASC_IOA_WAS_RESET) { |
4924 | if (ipr_cmd->ioa_cfg->sis64) | |
4925 | memcpy(&res->sata_port->ioasa, &ipr_cmd->s.ioasa64.u.gata, | |
4926 | sizeof(struct ipr_ioasa_gata)); | |
4927 | else | |
4928 | memcpy(&res->sata_port->ioasa, &ipr_cmd->s.ioasa.u.gata, | |
4929 | sizeof(struct ipr_ioasa_gata)); | |
4930 | } | |
c6513096 BK |
4931 | |
4932 | LEAVE; | |
203fa3fe | 4933 | return IPR_IOASC_SENSE_KEY(ioasc) ? -EIO : 0; |
c6513096 BK |
4934 | } |
4935 | ||
35a39691 BK |
4936 | /** |
4937 | * ipr_sata_reset - Reset the SATA port | |
cc0680a5 | 4938 | * @link: SATA link to reset |
35a39691 BK |
4939 | * @classes: class of the attached device |
4940 | * | |
cc0680a5 | 4941 | * This function issues a SATA phy reset to the affected ATA link. |
35a39691 BK |
4942 | * |
4943 | * Return value: | |
4944 | * 0 on success / non-zero on failure | |
4945 | **/ | |
cc0680a5 | 4946 | static int ipr_sata_reset(struct ata_link *link, unsigned int *classes, |
120bda35 | 4947 | unsigned long deadline) |
35a39691 | 4948 | { |
cc0680a5 | 4949 | struct ipr_sata_port *sata_port = link->ap->private_data; |
35a39691 BK |
4950 | struct ipr_ioa_cfg *ioa_cfg = sata_port->ioa_cfg; |
4951 | struct ipr_resource_entry *res; | |
4952 | unsigned long lock_flags = 0; | |
4953 | int rc = -ENXIO; | |
4954 | ||
4955 | ENTER; | |
4956 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
203fa3fe | 4957 | while (ioa_cfg->in_reset_reload) { |
73d98ff0 BK |
4958 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
4959 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
4960 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4961 | } | |
4962 | ||
35a39691 BK |
4963 | res = sata_port->res; |
4964 | if (res) { | |
4965 | rc = ipr_device_reset(ioa_cfg, res); | |
3e7ebdfa | 4966 | *classes = res->ata_class; |
35a39691 BK |
4967 | } |
4968 | ||
4969 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4970 | LEAVE; | |
4971 | return rc; | |
4972 | } | |
4973 | ||
1da177e4 LT |
4974 | /** |
4975 | * ipr_eh_dev_reset - Reset the device | |
4976 | * @scsi_cmd: scsi command struct | |
4977 | * | |
4978 | * This function issues a device reset to the affected device. | |
4979 | * A LUN reset will be sent to the device first. If that does | |
4980 | * not work, a target reset will be sent. | |
4981 | * | |
4982 | * Return value: | |
4983 | * SUCCESS / FAILED | |
4984 | **/ | |
203fa3fe | 4985 | static int __ipr_eh_dev_reset(struct scsi_cmnd *scsi_cmd) |
1da177e4 LT |
4986 | { |
4987 | struct ipr_cmnd *ipr_cmd; | |
4988 | struct ipr_ioa_cfg *ioa_cfg; | |
4989 | struct ipr_resource_entry *res; | |
35a39691 BK |
4990 | struct ata_port *ap; |
4991 | int rc = 0; | |
05a6538a | 4992 | struct ipr_hrr_queue *hrrq; |
1da177e4 LT |
4993 | |
4994 | ENTER; | |
4995 | ioa_cfg = (struct ipr_ioa_cfg *) scsi_cmd->device->host->hostdata; | |
4996 | res = scsi_cmd->device->hostdata; | |
4997 | ||
eeb88307 | 4998 | if (!res) |
1da177e4 LT |
4999 | return FAILED; |
5000 | ||
5001 | /* | |
5002 | * If we are currently going through reset/reload, return failed. This will force the | |
5003 | * mid-layer to call ipr_eh_host_reset, which will then go to sleep and wait for the | |
5004 | * reset to complete | |
5005 | */ | |
5006 | if (ioa_cfg->in_reset_reload) | |
5007 | return FAILED; | |
56d6aa33 | 5008 | if (ioa_cfg->hrrq[IPR_INIT_HRRQ].ioa_is_dead) |
1da177e4 LT |
5009 | return FAILED; |
5010 | ||
05a6538a | 5011 | for_each_hrrq(hrrq, ioa_cfg) { |
56d6aa33 | 5012 | spin_lock(&hrrq->_lock); |
05a6538a | 5013 | list_for_each_entry(ipr_cmd, &hrrq->hrrq_pending_q, queue) { |
5014 | if (ipr_cmd->ioarcb.res_handle == res->res_handle) { | |
5015 | if (ipr_cmd->scsi_cmd) | |
5016 | ipr_cmd->done = ipr_scsi_eh_done; | |
5017 | if (ipr_cmd->qc) | |
5018 | ipr_cmd->done = ipr_sata_eh_done; | |
5019 | if (ipr_cmd->qc && | |
5020 | !(ipr_cmd->qc->flags & ATA_QCFLAG_FAILED)) { | |
5021 | ipr_cmd->qc->err_mask |= AC_ERR_TIMEOUT; | |
5022 | ipr_cmd->qc->flags |= ATA_QCFLAG_FAILED; | |
5023 | } | |
7402ecef | 5024 | } |
1da177e4 | 5025 | } |
56d6aa33 | 5026 | spin_unlock(&hrrq->_lock); |
1da177e4 | 5027 | } |
1da177e4 | 5028 | res->resetting_device = 1; |
fb3ed3cb | 5029 | scmd_printk(KERN_ERR, scsi_cmd, "Resetting device\n"); |
35a39691 BK |
5030 | |
5031 | if (ipr_is_gata(res) && res->sata_port) { | |
5032 | ap = res->sata_port->ap; | |
5033 | spin_unlock_irq(scsi_cmd->device->host->host_lock); | |
a1efdaba | 5034 | ata_std_error_handler(ap); |
35a39691 | 5035 | spin_lock_irq(scsi_cmd->device->host->host_lock); |
5af23d26 | 5036 | |
05a6538a | 5037 | for_each_hrrq(hrrq, ioa_cfg) { |
56d6aa33 | 5038 | spin_lock(&hrrq->_lock); |
05a6538a | 5039 | list_for_each_entry(ipr_cmd, |
5040 | &hrrq->hrrq_pending_q, queue) { | |
5041 | if (ipr_cmd->ioarcb.res_handle == | |
5042 | res->res_handle) { | |
5043 | rc = -EIO; | |
5044 | break; | |
5045 | } | |
5af23d26 | 5046 | } |
56d6aa33 | 5047 | spin_unlock(&hrrq->_lock); |
5af23d26 | 5048 | } |
35a39691 BK |
5049 | } else |
5050 | rc = ipr_device_reset(ioa_cfg, res); | |
1da177e4 | 5051 | res->resetting_device = 0; |
0b1f8d44 | 5052 | res->reset_occurred = 1; |
1da177e4 | 5053 | |
1da177e4 | 5054 | LEAVE; |
203fa3fe | 5055 | return rc ? FAILED : SUCCESS; |
1da177e4 LT |
5056 | } |
5057 | ||
203fa3fe | 5058 | static int ipr_eh_dev_reset(struct scsi_cmnd *cmd) |
94d0e7b8 JG |
5059 | { |
5060 | int rc; | |
5061 | ||
5062 | spin_lock_irq(cmd->device->host->host_lock); | |
5063 | rc = __ipr_eh_dev_reset(cmd); | |
5064 | spin_unlock_irq(cmd->device->host->host_lock); | |
5065 | ||
5066 | return rc; | |
5067 | } | |
5068 | ||
1da177e4 LT |
5069 | /** |
5070 | * ipr_bus_reset_done - Op done function for bus reset. | |
5071 | * @ipr_cmd: ipr command struct | |
5072 | * | |
5073 | * This function is the op done function for a bus reset | |
5074 | * | |
5075 | * Return value: | |
5076 | * none | |
5077 | **/ | |
5078 | static void ipr_bus_reset_done(struct ipr_cmnd *ipr_cmd) | |
5079 | { | |
5080 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
5081 | struct ipr_resource_entry *res; | |
5082 | ||
5083 | ENTER; | |
3e7ebdfa WB |
5084 | if (!ioa_cfg->sis64) |
5085 | list_for_each_entry(res, &ioa_cfg->used_res_q, queue) { | |
5086 | if (res->res_handle == ipr_cmd->ioarcb.res_handle) { | |
5087 | scsi_report_bus_reset(ioa_cfg->host, res->bus); | |
5088 | break; | |
5089 | } | |
1da177e4 | 5090 | } |
1da177e4 LT |
5091 | |
5092 | /* | |
5093 | * If abort has not completed, indicate the reset has, else call the | |
5094 | * abort's done function to wake the sleeping eh thread | |
5095 | */ | |
5096 | if (ipr_cmd->sibling->sibling) | |
5097 | ipr_cmd->sibling->sibling = NULL; | |
5098 | else | |
5099 | ipr_cmd->sibling->done(ipr_cmd->sibling); | |
5100 | ||
05a6538a | 5101 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
1da177e4 LT |
5102 | LEAVE; |
5103 | } | |
5104 | ||
5105 | /** | |
5106 | * ipr_abort_timeout - An abort task has timed out | |
5107 | * @ipr_cmd: ipr command struct | |
5108 | * | |
5109 | * This function handles when an abort task times out. If this | |
5110 | * happens we issue a bus reset since we have resources tied | |
5111 | * up that must be freed before returning to the midlayer. | |
5112 | * | |
5113 | * Return value: | |
5114 | * none | |
5115 | **/ | |
5116 | static void ipr_abort_timeout(struct ipr_cmnd *ipr_cmd) | |
5117 | { | |
5118 | struct ipr_cmnd *reset_cmd; | |
5119 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
5120 | struct ipr_cmd_pkt *cmd_pkt; | |
5121 | unsigned long lock_flags = 0; | |
5122 | ||
5123 | ENTER; | |
5124 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
5125 | if (ipr_cmd->completion.done || ioa_cfg->in_reset_reload) { | |
5126 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
5127 | return; | |
5128 | } | |
5129 | ||
fb3ed3cb | 5130 | sdev_printk(KERN_ERR, ipr_cmd->u.sdev, "Abort timed out. Resetting bus.\n"); |
1da177e4 LT |
5131 | reset_cmd = ipr_get_free_ipr_cmnd(ioa_cfg); |
5132 | ipr_cmd->sibling = reset_cmd; | |
5133 | reset_cmd->sibling = ipr_cmd; | |
5134 | reset_cmd->ioarcb.res_handle = ipr_cmd->ioarcb.res_handle; | |
5135 | cmd_pkt = &reset_cmd->ioarcb.cmd_pkt; | |
5136 | cmd_pkt->request_type = IPR_RQTYPE_IOACMD; | |
5137 | cmd_pkt->cdb[0] = IPR_RESET_DEVICE; | |
5138 | cmd_pkt->cdb[2] = IPR_RESET_TYPE_SELECT | IPR_BUS_RESET; | |
5139 | ||
5140 | ipr_do_req(reset_cmd, ipr_bus_reset_done, ipr_timeout, IPR_DEVICE_RESET_TIMEOUT); | |
5141 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
5142 | LEAVE; | |
5143 | } | |
5144 | ||
5145 | /** | |
5146 | * ipr_cancel_op - Cancel specified op | |
5147 | * @scsi_cmd: scsi command struct | |
5148 | * | |
5149 | * This function cancels specified op. | |
5150 | * | |
5151 | * Return value: | |
5152 | * SUCCESS / FAILED | |
5153 | **/ | |
203fa3fe | 5154 | static int ipr_cancel_op(struct scsi_cmnd *scsi_cmd) |
1da177e4 LT |
5155 | { |
5156 | struct ipr_cmnd *ipr_cmd; | |
5157 | struct ipr_ioa_cfg *ioa_cfg; | |
5158 | struct ipr_resource_entry *res; | |
5159 | struct ipr_cmd_pkt *cmd_pkt; | |
a92fa25c | 5160 | u32 ioasc, int_reg; |
1da177e4 | 5161 | int op_found = 0; |
05a6538a | 5162 | struct ipr_hrr_queue *hrrq; |
1da177e4 LT |
5163 | |
5164 | ENTER; | |
5165 | ioa_cfg = (struct ipr_ioa_cfg *)scsi_cmd->device->host->hostdata; | |
5166 | res = scsi_cmd->device->hostdata; | |
5167 | ||
8fa728a2 JG |
5168 | /* If we are currently going through reset/reload, return failed. |
5169 | * This will force the mid-layer to call ipr_eh_host_reset, | |
5170 | * which will then go to sleep and wait for the reset to complete | |
5171 | */ | |
56d6aa33 | 5172 | if (ioa_cfg->in_reset_reload || |
5173 | ioa_cfg->hrrq[IPR_INIT_HRRQ].ioa_is_dead) | |
8fa728a2 | 5174 | return FAILED; |
a92fa25c KSS |
5175 | if (!res) |
5176 | return FAILED; | |
5177 | ||
5178 | /* | |
5179 | * If we are aborting a timed out op, chances are that the timeout was caused | |
5180 | * by a still not detected EEH error. In such cases, reading a register will | |
5181 | * trigger the EEH recovery infrastructure. | |
5182 | */ | |
5183 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg); | |
5184 | ||
5185 | if (!ipr_is_gscsi(res)) | |
1da177e4 LT |
5186 | return FAILED; |
5187 | ||
05a6538a | 5188 | for_each_hrrq(hrrq, ioa_cfg) { |
56d6aa33 | 5189 | spin_lock(&hrrq->_lock); |
05a6538a | 5190 | list_for_each_entry(ipr_cmd, &hrrq->hrrq_pending_q, queue) { |
5191 | if (ipr_cmd->scsi_cmd == scsi_cmd) { | |
5192 | ipr_cmd->done = ipr_scsi_eh_done; | |
5193 | op_found = 1; | |
5194 | break; | |
5195 | } | |
1da177e4 | 5196 | } |
56d6aa33 | 5197 | spin_unlock(&hrrq->_lock); |
1da177e4 LT |
5198 | } |
5199 | ||
5200 | if (!op_found) | |
5201 | return SUCCESS; | |
5202 | ||
5203 | ipr_cmd = ipr_get_free_ipr_cmnd(ioa_cfg); | |
3e7ebdfa | 5204 | ipr_cmd->ioarcb.res_handle = res->res_handle; |
1da177e4 LT |
5205 | cmd_pkt = &ipr_cmd->ioarcb.cmd_pkt; |
5206 | cmd_pkt->request_type = IPR_RQTYPE_IOACMD; | |
5207 | cmd_pkt->cdb[0] = IPR_CANCEL_ALL_REQUESTS; | |
5208 | ipr_cmd->u.sdev = scsi_cmd->device; | |
5209 | ||
fb3ed3cb BK |
5210 | scmd_printk(KERN_ERR, scsi_cmd, "Aborting command: %02X\n", |
5211 | scsi_cmd->cmnd[0]); | |
1da177e4 | 5212 | ipr_send_blocking_cmd(ipr_cmd, ipr_abort_timeout, IPR_CANCEL_ALL_TIMEOUT); |
96d21f00 | 5213 | ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
1da177e4 LT |
5214 | |
5215 | /* | |
5216 | * If the abort task timed out and we sent a bus reset, we will get | |
5217 | * one the following responses to the abort | |
5218 | */ | |
5219 | if (ioasc == IPR_IOASC_BUS_WAS_RESET || ioasc == IPR_IOASC_SYNC_REQUIRED) { | |
5220 | ioasc = 0; | |
5221 | ipr_trace; | |
5222 | } | |
5223 | ||
c4ee22a3 | 5224 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
ee0a90fa BK |
5225 | if (!ipr_is_naca_model(res)) |
5226 | res->needs_sync_complete = 1; | |
1da177e4 LT |
5227 | |
5228 | LEAVE; | |
203fa3fe | 5229 | return IPR_IOASC_SENSE_KEY(ioasc) ? FAILED : SUCCESS; |
1da177e4 LT |
5230 | } |
5231 | ||
5232 | /** | |
5233 | * ipr_eh_abort - Abort a single op | |
5234 | * @scsi_cmd: scsi command struct | |
5235 | * | |
5236 | * Return value: | |
5237 | * SUCCESS / FAILED | |
5238 | **/ | |
203fa3fe | 5239 | static int ipr_eh_abort(struct scsi_cmnd *scsi_cmd) |
1da177e4 | 5240 | { |
8fa728a2 JG |
5241 | unsigned long flags; |
5242 | int rc; | |
1da177e4 LT |
5243 | |
5244 | ENTER; | |
1da177e4 | 5245 | |
8fa728a2 JG |
5246 | spin_lock_irqsave(scsi_cmd->device->host->host_lock, flags); |
5247 | rc = ipr_cancel_op(scsi_cmd); | |
5248 | spin_unlock_irqrestore(scsi_cmd->device->host->host_lock, flags); | |
1da177e4 LT |
5249 | |
5250 | LEAVE; | |
8fa728a2 | 5251 | return rc; |
1da177e4 LT |
5252 | } |
5253 | ||
5254 | /** | |
5255 | * ipr_handle_other_interrupt - Handle "other" interrupts | |
5256 | * @ioa_cfg: ioa config struct | |
634651fa | 5257 | * @int_reg: interrupt register |
1da177e4 LT |
5258 | * |
5259 | * Return value: | |
5260 | * IRQ_NONE / IRQ_HANDLED | |
5261 | **/ | |
634651fa | 5262 | static irqreturn_t ipr_handle_other_interrupt(struct ipr_ioa_cfg *ioa_cfg, |
630ad831 | 5263 | u32 int_reg) |
1da177e4 LT |
5264 | { |
5265 | irqreturn_t rc = IRQ_HANDLED; | |
7dacb64f | 5266 | u32 int_mask_reg; |
56d6aa33 | 5267 | |
7dacb64f WB |
5268 | int_mask_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg32); |
5269 | int_reg &= ~int_mask_reg; | |
5270 | ||
5271 | /* If an interrupt on the adapter did not occur, ignore it. | |
5272 | * Or in the case of SIS 64, check for a stage change interrupt. | |
5273 | */ | |
5274 | if ((int_reg & IPR_PCII_OPER_INTERRUPTS) == 0) { | |
5275 | if (ioa_cfg->sis64) { | |
5276 | int_mask_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg); | |
5277 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg) & ~int_mask_reg; | |
5278 | if (int_reg & IPR_PCII_IPL_STAGE_CHANGE) { | |
5279 | ||
5280 | /* clear stage change */ | |
5281 | writel(IPR_PCII_IPL_STAGE_CHANGE, ioa_cfg->regs.clr_interrupt_reg); | |
5282 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg) & ~int_mask_reg; | |
5283 | list_del(&ioa_cfg->reset_cmd->queue); | |
5284 | del_timer(&ioa_cfg->reset_cmd->timer); | |
5285 | ipr_reset_ioa_job(ioa_cfg->reset_cmd); | |
5286 | return IRQ_HANDLED; | |
5287 | } | |
5288 | } | |
5289 | ||
5290 | return IRQ_NONE; | |
5291 | } | |
1da177e4 LT |
5292 | |
5293 | if (int_reg & IPR_PCII_IOA_TRANS_TO_OPER) { | |
5294 | /* Mask the interrupt */ | |
5295 | writel(IPR_PCII_IOA_TRANS_TO_OPER, ioa_cfg->regs.set_interrupt_mask_reg); | |
5296 | ||
5297 | /* Clear the interrupt */ | |
5298 | writel(IPR_PCII_IOA_TRANS_TO_OPER, ioa_cfg->regs.clr_interrupt_reg); | |
5299 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg); | |
5300 | ||
5301 | list_del(&ioa_cfg->reset_cmd->queue); | |
5302 | del_timer(&ioa_cfg->reset_cmd->timer); | |
5303 | ipr_reset_ioa_job(ioa_cfg->reset_cmd); | |
7dacb64f | 5304 | } else if ((int_reg & IPR_PCII_HRRQ_UPDATED) == int_reg) { |
7dd21308 BK |
5305 | if (ioa_cfg->clear_isr) { |
5306 | if (ipr_debug && printk_ratelimit()) | |
5307 | dev_err(&ioa_cfg->pdev->dev, | |
5308 | "Spurious interrupt detected. 0x%08X\n", int_reg); | |
5309 | writel(IPR_PCII_HRRQ_UPDATED, ioa_cfg->regs.clr_interrupt_reg32); | |
5310 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg32); | |
5311 | return IRQ_NONE; | |
5312 | } | |
1da177e4 LT |
5313 | } else { |
5314 | if (int_reg & IPR_PCII_IOA_UNIT_CHECKED) | |
5315 | ioa_cfg->ioa_unit_checked = 1; | |
05a6538a | 5316 | else if (int_reg & IPR_PCII_NO_HOST_RRQ) |
5317 | dev_err(&ioa_cfg->pdev->dev, | |
5318 | "No Host RRQ. 0x%08X\n", int_reg); | |
1da177e4 LT |
5319 | else |
5320 | dev_err(&ioa_cfg->pdev->dev, | |
5321 | "Permanent IOA failure. 0x%08X\n", int_reg); | |
5322 | ||
5323 | if (WAIT_FOR_DUMP == ioa_cfg->sdt_state) | |
5324 | ioa_cfg->sdt_state = GET_DUMP; | |
5325 | ||
5326 | ipr_mask_and_clear_interrupts(ioa_cfg, ~0); | |
5327 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); | |
5328 | } | |
56d6aa33 | 5329 | |
1da177e4 LT |
5330 | return rc; |
5331 | } | |
5332 | ||
3feeb89d WB |
5333 | /** |
5334 | * ipr_isr_eh - Interrupt service routine error handler | |
5335 | * @ioa_cfg: ioa config struct | |
5336 | * @msg: message to log | |
5337 | * | |
5338 | * Return value: | |
5339 | * none | |
5340 | **/ | |
05a6538a | 5341 | static void ipr_isr_eh(struct ipr_ioa_cfg *ioa_cfg, char *msg, u16 number) |
3feeb89d WB |
5342 | { |
5343 | ioa_cfg->errors_logged++; | |
05a6538a | 5344 | dev_err(&ioa_cfg->pdev->dev, "%s %d\n", msg, number); |
3feeb89d WB |
5345 | |
5346 | if (WAIT_FOR_DUMP == ioa_cfg->sdt_state) | |
5347 | ioa_cfg->sdt_state = GET_DUMP; | |
5348 | ||
5349 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); | |
5350 | } | |
5351 | ||
b53d124a | 5352 | static int ipr_process_hrrq(struct ipr_hrr_queue *hrr_queue, int budget, |
05a6538a | 5353 | struct list_head *doneq) |
5354 | { | |
5355 | u32 ioasc; | |
5356 | u16 cmd_index; | |
5357 | struct ipr_cmnd *ipr_cmd; | |
5358 | struct ipr_ioa_cfg *ioa_cfg = hrr_queue->ioa_cfg; | |
5359 | int num_hrrq = 0; | |
5360 | ||
5361 | /* If interrupts are disabled, ignore the interrupt */ | |
56d6aa33 | 5362 | if (!hrr_queue->allow_interrupts) |
05a6538a | 5363 | return 0; |
5364 | ||
5365 | while ((be32_to_cpu(*hrr_queue->hrrq_curr) & IPR_HRRQ_TOGGLE_BIT) == | |
5366 | hrr_queue->toggle_bit) { | |
5367 | ||
5368 | cmd_index = (be32_to_cpu(*hrr_queue->hrrq_curr) & | |
5369 | IPR_HRRQ_REQ_RESP_HANDLE_MASK) >> | |
5370 | IPR_HRRQ_REQ_RESP_HANDLE_SHIFT; | |
5371 | ||
5372 | if (unlikely(cmd_index > hrr_queue->max_cmd_id || | |
5373 | cmd_index < hrr_queue->min_cmd_id)) { | |
5374 | ipr_isr_eh(ioa_cfg, | |
5375 | "Invalid response handle from IOA: ", | |
5376 | cmd_index); | |
5377 | break; | |
5378 | } | |
5379 | ||
5380 | ipr_cmd = ioa_cfg->ipr_cmnd_list[cmd_index]; | |
5381 | ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); | |
5382 | ||
5383 | ipr_trc_hook(ipr_cmd, IPR_TRACE_FINISH, ioasc); | |
5384 | ||
5385 | list_move_tail(&ipr_cmd->queue, doneq); | |
5386 | ||
5387 | if (hrr_queue->hrrq_curr < hrr_queue->hrrq_end) { | |
5388 | hrr_queue->hrrq_curr++; | |
5389 | } else { | |
5390 | hrr_queue->hrrq_curr = hrr_queue->hrrq_start; | |
5391 | hrr_queue->toggle_bit ^= 1u; | |
5392 | } | |
5393 | num_hrrq++; | |
b53d124a | 5394 | if (budget > 0 && num_hrrq >= budget) |
5395 | break; | |
05a6538a | 5396 | } |
b53d124a | 5397 | |
05a6538a | 5398 | return num_hrrq; |
5399 | } | |
b53d124a | 5400 | |
5401 | static int ipr_iopoll(struct blk_iopoll *iop, int budget) | |
5402 | { | |
5403 | struct ipr_ioa_cfg *ioa_cfg; | |
5404 | struct ipr_hrr_queue *hrrq; | |
5405 | struct ipr_cmnd *ipr_cmd, *temp; | |
5406 | unsigned long hrrq_flags; | |
5407 | int completed_ops; | |
5408 | LIST_HEAD(doneq); | |
5409 | ||
5410 | hrrq = container_of(iop, struct ipr_hrr_queue, iopoll); | |
5411 | ioa_cfg = hrrq->ioa_cfg; | |
5412 | ||
5413 | spin_lock_irqsave(hrrq->lock, hrrq_flags); | |
5414 | completed_ops = ipr_process_hrrq(hrrq, budget, &doneq); | |
5415 | ||
5416 | if (completed_ops < budget) | |
5417 | blk_iopoll_complete(iop); | |
5418 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); | |
5419 | ||
5420 | list_for_each_entry_safe(ipr_cmd, temp, &doneq, queue) { | |
5421 | list_del(&ipr_cmd->queue); | |
5422 | del_timer(&ipr_cmd->timer); | |
5423 | ipr_cmd->fast_done(ipr_cmd); | |
5424 | } | |
5425 | ||
5426 | return completed_ops; | |
5427 | } | |
5428 | ||
1da177e4 LT |
5429 | /** |
5430 | * ipr_isr - Interrupt service routine | |
5431 | * @irq: irq number | |
5432 | * @devp: pointer to ioa config struct | |
1da177e4 LT |
5433 | * |
5434 | * Return value: | |
5435 | * IRQ_NONE / IRQ_HANDLED | |
5436 | **/ | |
7d12e780 | 5437 | static irqreturn_t ipr_isr(int irq, void *devp) |
1da177e4 | 5438 | { |
05a6538a | 5439 | struct ipr_hrr_queue *hrrq = (struct ipr_hrr_queue *)devp; |
5440 | struct ipr_ioa_cfg *ioa_cfg = hrrq->ioa_cfg; | |
56d6aa33 | 5441 | unsigned long hrrq_flags = 0; |
7dacb64f | 5442 | u32 int_reg = 0; |
3feeb89d | 5443 | int num_hrrq = 0; |
7dacb64f | 5444 | int irq_none = 0; |
172cd6e1 | 5445 | struct ipr_cmnd *ipr_cmd, *temp; |
1da177e4 | 5446 | irqreturn_t rc = IRQ_NONE; |
172cd6e1 | 5447 | LIST_HEAD(doneq); |
1da177e4 | 5448 | |
56d6aa33 | 5449 | spin_lock_irqsave(hrrq->lock, hrrq_flags); |
1da177e4 | 5450 | /* If interrupts are disabled, ignore the interrupt */ |
56d6aa33 | 5451 | if (!hrrq->allow_interrupts) { |
5452 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); | |
1da177e4 LT |
5453 | return IRQ_NONE; |
5454 | } | |
5455 | ||
1da177e4 | 5456 | while (1) { |
b53d124a | 5457 | if (ipr_process_hrrq(hrrq, -1, &doneq)) { |
5458 | rc = IRQ_HANDLED; | |
1da177e4 | 5459 | |
b53d124a | 5460 | if (!ioa_cfg->clear_isr) |
5461 | break; | |
7dd21308 | 5462 | |
1da177e4 | 5463 | /* Clear the PCI interrupt */ |
a5442ba4 | 5464 | num_hrrq = 0; |
3feeb89d | 5465 | do { |
b53d124a | 5466 | writel(IPR_PCII_HRRQ_UPDATED, |
5467 | ioa_cfg->regs.clr_interrupt_reg32); | |
7dacb64f | 5468 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg32); |
3feeb89d | 5469 | } while (int_reg & IPR_PCII_HRRQ_UPDATED && |
b53d124a | 5470 | num_hrrq++ < IPR_MAX_HRRQ_RETRIES); |
3feeb89d | 5471 | |
7dacb64f WB |
5472 | } else if (rc == IRQ_NONE && irq_none == 0) { |
5473 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg32); | |
5474 | irq_none++; | |
a5442ba4 WB |
5475 | } else if (num_hrrq == IPR_MAX_HRRQ_RETRIES && |
5476 | int_reg & IPR_PCII_HRRQ_UPDATED) { | |
b53d124a | 5477 | ipr_isr_eh(ioa_cfg, |
5478 | "Error clearing HRRQ: ", num_hrrq); | |
172cd6e1 | 5479 | rc = IRQ_HANDLED; |
b53d124a | 5480 | break; |
1da177e4 LT |
5481 | } else |
5482 | break; | |
5483 | } | |
5484 | ||
5485 | if (unlikely(rc == IRQ_NONE)) | |
634651fa | 5486 | rc = ipr_handle_other_interrupt(ioa_cfg, int_reg); |
1da177e4 | 5487 | |
56d6aa33 | 5488 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); |
172cd6e1 BK |
5489 | list_for_each_entry_safe(ipr_cmd, temp, &doneq, queue) { |
5490 | list_del(&ipr_cmd->queue); | |
5491 | del_timer(&ipr_cmd->timer); | |
5492 | ipr_cmd->fast_done(ipr_cmd); | |
5493 | } | |
05a6538a | 5494 | return rc; |
5495 | } | |
5496 | ||
5497 | /** | |
5498 | * ipr_isr_mhrrq - Interrupt service routine | |
5499 | * @irq: irq number | |
5500 | * @devp: pointer to ioa config struct | |
5501 | * | |
5502 | * Return value: | |
5503 | * IRQ_NONE / IRQ_HANDLED | |
5504 | **/ | |
5505 | static irqreturn_t ipr_isr_mhrrq(int irq, void *devp) | |
5506 | { | |
5507 | struct ipr_hrr_queue *hrrq = (struct ipr_hrr_queue *)devp; | |
b53d124a | 5508 | struct ipr_ioa_cfg *ioa_cfg = hrrq->ioa_cfg; |
56d6aa33 | 5509 | unsigned long hrrq_flags = 0; |
05a6538a | 5510 | struct ipr_cmnd *ipr_cmd, *temp; |
5511 | irqreturn_t rc = IRQ_NONE; | |
5512 | LIST_HEAD(doneq); | |
172cd6e1 | 5513 | |
56d6aa33 | 5514 | spin_lock_irqsave(hrrq->lock, hrrq_flags); |
05a6538a | 5515 | |
5516 | /* If interrupts are disabled, ignore the interrupt */ | |
56d6aa33 | 5517 | if (!hrrq->allow_interrupts) { |
5518 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); | |
05a6538a | 5519 | return IRQ_NONE; |
5520 | } | |
5521 | ||
89f8b33c | 5522 | if (ioa_cfg->iopoll_weight && ioa_cfg->sis64 && ioa_cfg->nvectors > 1) { |
b53d124a | 5523 | if ((be32_to_cpu(*hrrq->hrrq_curr) & IPR_HRRQ_TOGGLE_BIT) == |
5524 | hrrq->toggle_bit) { | |
5525 | if (!blk_iopoll_sched_prep(&hrrq->iopoll)) | |
5526 | blk_iopoll_sched(&hrrq->iopoll); | |
5527 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); | |
5528 | return IRQ_HANDLED; | |
5529 | } | |
5530 | } else { | |
5531 | if ((be32_to_cpu(*hrrq->hrrq_curr) & IPR_HRRQ_TOGGLE_BIT) == | |
5532 | hrrq->toggle_bit) | |
05a6538a | 5533 | |
b53d124a | 5534 | if (ipr_process_hrrq(hrrq, -1, &doneq)) |
5535 | rc = IRQ_HANDLED; | |
5536 | } | |
05a6538a | 5537 | |
56d6aa33 | 5538 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); |
05a6538a | 5539 | |
5540 | list_for_each_entry_safe(ipr_cmd, temp, &doneq, queue) { | |
5541 | list_del(&ipr_cmd->queue); | |
5542 | del_timer(&ipr_cmd->timer); | |
5543 | ipr_cmd->fast_done(ipr_cmd); | |
5544 | } | |
1da177e4 LT |
5545 | return rc; |
5546 | } | |
5547 | ||
a32c055f WB |
5548 | /** |
5549 | * ipr_build_ioadl64 - Build a scatter/gather list and map the buffer | |
5550 | * @ioa_cfg: ioa config struct | |
5551 | * @ipr_cmd: ipr command struct | |
5552 | * | |
5553 | * Return value: | |
5554 | * 0 on success / -1 on failure | |
5555 | **/ | |
5556 | static int ipr_build_ioadl64(struct ipr_ioa_cfg *ioa_cfg, | |
5557 | struct ipr_cmnd *ipr_cmd) | |
5558 | { | |
5559 | int i, nseg; | |
5560 | struct scatterlist *sg; | |
5561 | u32 length; | |
5562 | u32 ioadl_flags = 0; | |
5563 | struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd; | |
5564 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
5565 | struct ipr_ioadl64_desc *ioadl64 = ipr_cmd->i.ioadl64; | |
5566 | ||
5567 | length = scsi_bufflen(scsi_cmd); | |
5568 | if (!length) | |
5569 | return 0; | |
5570 | ||
5571 | nseg = scsi_dma_map(scsi_cmd); | |
5572 | if (nseg < 0) { | |
51f52a47 AB |
5573 | if (printk_ratelimit()) |
5574 | dev_err(&ioa_cfg->pdev->dev, "pci_map_sg failed!\n"); | |
a32c055f WB |
5575 | return -1; |
5576 | } | |
5577 | ||
5578 | ipr_cmd->dma_use_sg = nseg; | |
5579 | ||
438b0331 | 5580 | ioarcb->data_transfer_length = cpu_to_be32(length); |
b8803b1c WB |
5581 | ioarcb->ioadl_len = |
5582 | cpu_to_be32(sizeof(struct ipr_ioadl64_desc) * ipr_cmd->dma_use_sg); | |
438b0331 | 5583 | |
a32c055f WB |
5584 | if (scsi_cmd->sc_data_direction == DMA_TO_DEVICE) { |
5585 | ioadl_flags = IPR_IOADL_FLAGS_WRITE; | |
5586 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ; | |
5587 | } else if (scsi_cmd->sc_data_direction == DMA_FROM_DEVICE) | |
5588 | ioadl_flags = IPR_IOADL_FLAGS_READ; | |
5589 | ||
5590 | scsi_for_each_sg(scsi_cmd, sg, ipr_cmd->dma_use_sg, i) { | |
5591 | ioadl64[i].flags = cpu_to_be32(ioadl_flags); | |
5592 | ioadl64[i].data_len = cpu_to_be32(sg_dma_len(sg)); | |
5593 | ioadl64[i].address = cpu_to_be64(sg_dma_address(sg)); | |
5594 | } | |
5595 | ||
5596 | ioadl64[i-1].flags |= cpu_to_be32(IPR_IOADL_FLAGS_LAST); | |
5597 | return 0; | |
5598 | } | |
5599 | ||
1da177e4 LT |
5600 | /** |
5601 | * ipr_build_ioadl - Build a scatter/gather list and map the buffer | |
5602 | * @ioa_cfg: ioa config struct | |
5603 | * @ipr_cmd: ipr command struct | |
5604 | * | |
5605 | * Return value: | |
5606 | * 0 on success / -1 on failure | |
5607 | **/ | |
5608 | static int ipr_build_ioadl(struct ipr_ioa_cfg *ioa_cfg, | |
5609 | struct ipr_cmnd *ipr_cmd) | |
5610 | { | |
63015bc9 FT |
5611 | int i, nseg; |
5612 | struct scatterlist *sg; | |
1da177e4 LT |
5613 | u32 length; |
5614 | u32 ioadl_flags = 0; | |
5615 | struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd; | |
5616 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
a32c055f | 5617 | struct ipr_ioadl_desc *ioadl = ipr_cmd->i.ioadl; |
1da177e4 | 5618 | |
63015bc9 FT |
5619 | length = scsi_bufflen(scsi_cmd); |
5620 | if (!length) | |
1da177e4 LT |
5621 | return 0; |
5622 | ||
63015bc9 FT |
5623 | nseg = scsi_dma_map(scsi_cmd); |
5624 | if (nseg < 0) { | |
5625 | dev_err(&ioa_cfg->pdev->dev, "pci_map_sg failed!\n"); | |
5626 | return -1; | |
5627 | } | |
51b1c7e1 | 5628 | |
63015bc9 FT |
5629 | ipr_cmd->dma_use_sg = nseg; |
5630 | ||
5631 | if (scsi_cmd->sc_data_direction == DMA_TO_DEVICE) { | |
5632 | ioadl_flags = IPR_IOADL_FLAGS_WRITE; | |
5633 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ; | |
a32c055f WB |
5634 | ioarcb->data_transfer_length = cpu_to_be32(length); |
5635 | ioarcb->ioadl_len = | |
63015bc9 FT |
5636 | cpu_to_be32(sizeof(struct ipr_ioadl_desc) * ipr_cmd->dma_use_sg); |
5637 | } else if (scsi_cmd->sc_data_direction == DMA_FROM_DEVICE) { | |
5638 | ioadl_flags = IPR_IOADL_FLAGS_READ; | |
5639 | ioarcb->read_data_transfer_length = cpu_to_be32(length); | |
5640 | ioarcb->read_ioadl_len = | |
5641 | cpu_to_be32(sizeof(struct ipr_ioadl_desc) * ipr_cmd->dma_use_sg); | |
5642 | } | |
1da177e4 | 5643 | |
a32c055f WB |
5644 | if (ipr_cmd->dma_use_sg <= ARRAY_SIZE(ioarcb->u.add_data.u.ioadl)) { |
5645 | ioadl = ioarcb->u.add_data.u.ioadl; | |
5646 | ioarcb->write_ioadl_addr = cpu_to_be32((ipr_cmd->dma_addr) + | |
5647 | offsetof(struct ipr_ioarcb, u.add_data)); | |
63015bc9 FT |
5648 | ioarcb->read_ioadl_addr = ioarcb->write_ioadl_addr; |
5649 | } | |
1da177e4 | 5650 | |
63015bc9 FT |
5651 | scsi_for_each_sg(scsi_cmd, sg, ipr_cmd->dma_use_sg, i) { |
5652 | ioadl[i].flags_and_data_len = | |
5653 | cpu_to_be32(ioadl_flags | sg_dma_len(sg)); | |
5654 | ioadl[i].address = cpu_to_be32(sg_dma_address(sg)); | |
1da177e4 LT |
5655 | } |
5656 | ||
63015bc9 FT |
5657 | ioadl[i-1].flags_and_data_len |= cpu_to_be32(IPR_IOADL_FLAGS_LAST); |
5658 | return 0; | |
1da177e4 LT |
5659 | } |
5660 | ||
1da177e4 LT |
5661 | /** |
5662 | * ipr_erp_done - Process completion of ERP for a device | |
5663 | * @ipr_cmd: ipr command struct | |
5664 | * | |
5665 | * This function copies the sense buffer into the scsi_cmd | |
5666 | * struct and pushes the scsi_done function. | |
5667 | * | |
5668 | * Return value: | |
5669 | * nothing | |
5670 | **/ | |
5671 | static void ipr_erp_done(struct ipr_cmnd *ipr_cmd) | |
5672 | { | |
5673 | struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd; | |
5674 | struct ipr_resource_entry *res = scsi_cmd->device->hostdata; | |
96d21f00 | 5675 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
1da177e4 LT |
5676 | |
5677 | if (IPR_IOASC_SENSE_KEY(ioasc) > 0) { | |
5678 | scsi_cmd->result |= (DID_ERROR << 16); | |
fb3ed3cb BK |
5679 | scmd_printk(KERN_ERR, scsi_cmd, |
5680 | "Request Sense failed with IOASC: 0x%08X\n", ioasc); | |
1da177e4 LT |
5681 | } else { |
5682 | memcpy(scsi_cmd->sense_buffer, ipr_cmd->sense_buffer, | |
5683 | SCSI_SENSE_BUFFERSIZE); | |
5684 | } | |
5685 | ||
5686 | if (res) { | |
ee0a90fa BK |
5687 | if (!ipr_is_naca_model(res)) |
5688 | res->needs_sync_complete = 1; | |
1da177e4 LT |
5689 | res->in_erp = 0; |
5690 | } | |
63015bc9 | 5691 | scsi_dma_unmap(ipr_cmd->scsi_cmd); |
05a6538a | 5692 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
1da177e4 LT |
5693 | scsi_cmd->scsi_done(scsi_cmd); |
5694 | } | |
5695 | ||
5696 | /** | |
5697 | * ipr_reinit_ipr_cmnd_for_erp - Re-initialize a cmnd block to be used for ERP | |
5698 | * @ipr_cmd: ipr command struct | |
5699 | * | |
5700 | * Return value: | |
5701 | * none | |
5702 | **/ | |
5703 | static void ipr_reinit_ipr_cmnd_for_erp(struct ipr_cmnd *ipr_cmd) | |
5704 | { | |
51b1c7e1 | 5705 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; |
96d21f00 | 5706 | struct ipr_ioasa *ioasa = &ipr_cmd->s.ioasa; |
a32c055f | 5707 | dma_addr_t dma_addr = ipr_cmd->dma_addr; |
1da177e4 LT |
5708 | |
5709 | memset(&ioarcb->cmd_pkt, 0, sizeof(struct ipr_cmd_pkt)); | |
a32c055f | 5710 | ioarcb->data_transfer_length = 0; |
1da177e4 | 5711 | ioarcb->read_data_transfer_length = 0; |
a32c055f | 5712 | ioarcb->ioadl_len = 0; |
1da177e4 | 5713 | ioarcb->read_ioadl_len = 0; |
96d21f00 WB |
5714 | ioasa->hdr.ioasc = 0; |
5715 | ioasa->hdr.residual_data_len = 0; | |
a32c055f WB |
5716 | |
5717 | if (ipr_cmd->ioa_cfg->sis64) | |
5718 | ioarcb->u.sis64_addr_data.data_ioadl_addr = | |
5719 | cpu_to_be64(dma_addr + offsetof(struct ipr_cmnd, i.ioadl64)); | |
5720 | else { | |
5721 | ioarcb->write_ioadl_addr = | |
5722 | cpu_to_be32(dma_addr + offsetof(struct ipr_cmnd, i.ioadl)); | |
5723 | ioarcb->read_ioadl_addr = ioarcb->write_ioadl_addr; | |
5724 | } | |
1da177e4 LT |
5725 | } |
5726 | ||
5727 | /** | |
5728 | * ipr_erp_request_sense - Send request sense to a device | |
5729 | * @ipr_cmd: ipr command struct | |
5730 | * | |
5731 | * This function sends a request sense to a device as a result | |
5732 | * of a check condition. | |
5733 | * | |
5734 | * Return value: | |
5735 | * nothing | |
5736 | **/ | |
5737 | static void ipr_erp_request_sense(struct ipr_cmnd *ipr_cmd) | |
5738 | { | |
5739 | struct ipr_cmd_pkt *cmd_pkt = &ipr_cmd->ioarcb.cmd_pkt; | |
96d21f00 | 5740 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
1da177e4 LT |
5741 | |
5742 | if (IPR_IOASC_SENSE_KEY(ioasc) > 0) { | |
5743 | ipr_erp_done(ipr_cmd); | |
5744 | return; | |
5745 | } | |
5746 | ||
5747 | ipr_reinit_ipr_cmnd_for_erp(ipr_cmd); | |
5748 | ||
5749 | cmd_pkt->request_type = IPR_RQTYPE_SCSICDB; | |
5750 | cmd_pkt->cdb[0] = REQUEST_SENSE; | |
5751 | cmd_pkt->cdb[4] = SCSI_SENSE_BUFFERSIZE; | |
5752 | cmd_pkt->flags_hi |= IPR_FLAGS_HI_SYNC_OVERRIDE; | |
5753 | cmd_pkt->flags_hi |= IPR_FLAGS_HI_NO_ULEN_CHK; | |
5754 | cmd_pkt->timeout = cpu_to_be16(IPR_REQUEST_SENSE_TIMEOUT / HZ); | |
5755 | ||
a32c055f WB |
5756 | ipr_init_ioadl(ipr_cmd, ipr_cmd->sense_buffer_dma, |
5757 | SCSI_SENSE_BUFFERSIZE, IPR_IOADL_FLAGS_READ_LAST); | |
1da177e4 LT |
5758 | |
5759 | ipr_do_req(ipr_cmd, ipr_erp_done, ipr_timeout, | |
5760 | IPR_REQUEST_SENSE_TIMEOUT * 2); | |
5761 | } | |
5762 | ||
5763 | /** | |
5764 | * ipr_erp_cancel_all - Send cancel all to a device | |
5765 | * @ipr_cmd: ipr command struct | |
5766 | * | |
5767 | * This function sends a cancel all to a device to clear the | |
5768 | * queue. If we are running TCQ on the device, QERR is set to 1, | |
5769 | * which means all outstanding ops have been dropped on the floor. | |
5770 | * Cancel all will return them to us. | |
5771 | * | |
5772 | * Return value: | |
5773 | * nothing | |
5774 | **/ | |
5775 | static void ipr_erp_cancel_all(struct ipr_cmnd *ipr_cmd) | |
5776 | { | |
5777 | struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd; | |
5778 | struct ipr_resource_entry *res = scsi_cmd->device->hostdata; | |
5779 | struct ipr_cmd_pkt *cmd_pkt; | |
5780 | ||
5781 | res->in_erp = 1; | |
5782 | ||
5783 | ipr_reinit_ipr_cmnd_for_erp(ipr_cmd); | |
5784 | ||
5785 | if (!scsi_get_tag_type(scsi_cmd->device)) { | |
5786 | ipr_erp_request_sense(ipr_cmd); | |
5787 | return; | |
5788 | } | |
5789 | ||
5790 | cmd_pkt = &ipr_cmd->ioarcb.cmd_pkt; | |
5791 | cmd_pkt->request_type = IPR_RQTYPE_IOACMD; | |
5792 | cmd_pkt->cdb[0] = IPR_CANCEL_ALL_REQUESTS; | |
5793 | ||
5794 | ipr_do_req(ipr_cmd, ipr_erp_request_sense, ipr_timeout, | |
5795 | IPR_CANCEL_ALL_TIMEOUT); | |
5796 | } | |
5797 | ||
5798 | /** | |
5799 | * ipr_dump_ioasa - Dump contents of IOASA | |
5800 | * @ioa_cfg: ioa config struct | |
5801 | * @ipr_cmd: ipr command struct | |
fe964d0a | 5802 | * @res: resource entry struct |
1da177e4 LT |
5803 | * |
5804 | * This function is invoked by the interrupt handler when ops | |
5805 | * fail. It will log the IOASA if appropriate. Only called | |
5806 | * for GPDD ops. | |
5807 | * | |
5808 | * Return value: | |
5809 | * none | |
5810 | **/ | |
5811 | static void ipr_dump_ioasa(struct ipr_ioa_cfg *ioa_cfg, | |
fe964d0a | 5812 | struct ipr_cmnd *ipr_cmd, struct ipr_resource_entry *res) |
1da177e4 LT |
5813 | { |
5814 | int i; | |
5815 | u16 data_len; | |
b0692dd4 | 5816 | u32 ioasc, fd_ioasc; |
96d21f00 | 5817 | struct ipr_ioasa *ioasa = &ipr_cmd->s.ioasa; |
1da177e4 LT |
5818 | __be32 *ioasa_data = (__be32 *)ioasa; |
5819 | int error_index; | |
5820 | ||
96d21f00 WB |
5821 | ioasc = be32_to_cpu(ioasa->hdr.ioasc) & IPR_IOASC_IOASC_MASK; |
5822 | fd_ioasc = be32_to_cpu(ioasa->hdr.fd_ioasc) & IPR_IOASC_IOASC_MASK; | |
1da177e4 LT |
5823 | |
5824 | if (0 == ioasc) | |
5825 | return; | |
5826 | ||
5827 | if (ioa_cfg->log_level < IPR_DEFAULT_LOG_LEVEL) | |
5828 | return; | |
5829 | ||
b0692dd4 BK |
5830 | if (ioasc == IPR_IOASC_BUS_WAS_RESET && fd_ioasc) |
5831 | error_index = ipr_get_error(fd_ioasc); | |
5832 | else | |
5833 | error_index = ipr_get_error(ioasc); | |
1da177e4 LT |
5834 | |
5835 | if (ioa_cfg->log_level < IPR_MAX_LOG_LEVEL) { | |
5836 | /* Don't log an error if the IOA already logged one */ | |
96d21f00 | 5837 | if (ioasa->hdr.ilid != 0) |
1da177e4 LT |
5838 | return; |
5839 | ||
cc9bd5d4 BK |
5840 | if (!ipr_is_gscsi(res)) |
5841 | return; | |
5842 | ||
1da177e4 LT |
5843 | if (ipr_error_table[error_index].log_ioasa == 0) |
5844 | return; | |
5845 | } | |
5846 | ||
fe964d0a | 5847 | ipr_res_err(ioa_cfg, res, "%s\n", ipr_error_table[error_index].error); |
1da177e4 | 5848 | |
96d21f00 WB |
5849 | data_len = be16_to_cpu(ioasa->hdr.ret_stat_len); |
5850 | if (ioa_cfg->sis64 && sizeof(struct ipr_ioasa64) < data_len) | |
5851 | data_len = sizeof(struct ipr_ioasa64); | |
5852 | else if (!ioa_cfg->sis64 && sizeof(struct ipr_ioasa) < data_len) | |
1da177e4 | 5853 | data_len = sizeof(struct ipr_ioasa); |
1da177e4 LT |
5854 | |
5855 | ipr_err("IOASA Dump:\n"); | |
5856 | ||
5857 | for (i = 0; i < data_len / 4; i += 4) { | |
5858 | ipr_err("%08X: %08X %08X %08X %08X\n", i*4, | |
5859 | be32_to_cpu(ioasa_data[i]), | |
5860 | be32_to_cpu(ioasa_data[i+1]), | |
5861 | be32_to_cpu(ioasa_data[i+2]), | |
5862 | be32_to_cpu(ioasa_data[i+3])); | |
5863 | } | |
5864 | } | |
5865 | ||
5866 | /** | |
5867 | * ipr_gen_sense - Generate SCSI sense data from an IOASA | |
5868 | * @ioasa: IOASA | |
5869 | * @sense_buf: sense data buffer | |
5870 | * | |
5871 | * Return value: | |
5872 | * none | |
5873 | **/ | |
5874 | static void ipr_gen_sense(struct ipr_cmnd *ipr_cmd) | |
5875 | { | |
5876 | u32 failing_lba; | |
5877 | u8 *sense_buf = ipr_cmd->scsi_cmd->sense_buffer; | |
5878 | struct ipr_resource_entry *res = ipr_cmd->scsi_cmd->device->hostdata; | |
96d21f00 WB |
5879 | struct ipr_ioasa *ioasa = &ipr_cmd->s.ioasa; |
5880 | u32 ioasc = be32_to_cpu(ioasa->hdr.ioasc); | |
1da177e4 LT |
5881 | |
5882 | memset(sense_buf, 0, SCSI_SENSE_BUFFERSIZE); | |
5883 | ||
5884 | if (ioasc >= IPR_FIRST_DRIVER_IOASC) | |
5885 | return; | |
5886 | ||
5887 | ipr_cmd->scsi_cmd->result = SAM_STAT_CHECK_CONDITION; | |
5888 | ||
5889 | if (ipr_is_vset_device(res) && | |
5890 | ioasc == IPR_IOASC_MED_DO_NOT_REALLOC && | |
5891 | ioasa->u.vset.failing_lba_hi != 0) { | |
5892 | sense_buf[0] = 0x72; | |
5893 | sense_buf[1] = IPR_IOASC_SENSE_KEY(ioasc); | |
5894 | sense_buf[2] = IPR_IOASC_SENSE_CODE(ioasc); | |
5895 | sense_buf[3] = IPR_IOASC_SENSE_QUAL(ioasc); | |
5896 | ||
5897 | sense_buf[7] = 12; | |
5898 | sense_buf[8] = 0; | |
5899 | sense_buf[9] = 0x0A; | |
5900 | sense_buf[10] = 0x80; | |
5901 | ||
5902 | failing_lba = be32_to_cpu(ioasa->u.vset.failing_lba_hi); | |
5903 | ||
5904 | sense_buf[12] = (failing_lba & 0xff000000) >> 24; | |
5905 | sense_buf[13] = (failing_lba & 0x00ff0000) >> 16; | |
5906 | sense_buf[14] = (failing_lba & 0x0000ff00) >> 8; | |
5907 | sense_buf[15] = failing_lba & 0x000000ff; | |
5908 | ||
5909 | failing_lba = be32_to_cpu(ioasa->u.vset.failing_lba_lo); | |
5910 | ||
5911 | sense_buf[16] = (failing_lba & 0xff000000) >> 24; | |
5912 | sense_buf[17] = (failing_lba & 0x00ff0000) >> 16; | |
5913 | sense_buf[18] = (failing_lba & 0x0000ff00) >> 8; | |
5914 | sense_buf[19] = failing_lba & 0x000000ff; | |
5915 | } else { | |
5916 | sense_buf[0] = 0x70; | |
5917 | sense_buf[2] = IPR_IOASC_SENSE_KEY(ioasc); | |
5918 | sense_buf[12] = IPR_IOASC_SENSE_CODE(ioasc); | |
5919 | sense_buf[13] = IPR_IOASC_SENSE_QUAL(ioasc); | |
5920 | ||
5921 | /* Illegal request */ | |
5922 | if ((IPR_IOASC_SENSE_KEY(ioasc) == 0x05) && | |
96d21f00 | 5923 | (be32_to_cpu(ioasa->hdr.ioasc_specific) & IPR_FIELD_POINTER_VALID)) { |
1da177e4 LT |
5924 | sense_buf[7] = 10; /* additional length */ |
5925 | ||
5926 | /* IOARCB was in error */ | |
5927 | if (IPR_IOASC_SENSE_CODE(ioasc) == 0x24) | |
5928 | sense_buf[15] = 0xC0; | |
5929 | else /* Parameter data was invalid */ | |
5930 | sense_buf[15] = 0x80; | |
5931 | ||
5932 | sense_buf[16] = | |
5933 | ((IPR_FIELD_POINTER_MASK & | |
96d21f00 | 5934 | be32_to_cpu(ioasa->hdr.ioasc_specific)) >> 8) & 0xff; |
1da177e4 LT |
5935 | sense_buf[17] = |
5936 | (IPR_FIELD_POINTER_MASK & | |
96d21f00 | 5937 | be32_to_cpu(ioasa->hdr.ioasc_specific)) & 0xff; |
1da177e4 LT |
5938 | } else { |
5939 | if (ioasc == IPR_IOASC_MED_DO_NOT_REALLOC) { | |
5940 | if (ipr_is_vset_device(res)) | |
5941 | failing_lba = be32_to_cpu(ioasa->u.vset.failing_lba_lo); | |
5942 | else | |
5943 | failing_lba = be32_to_cpu(ioasa->u.dasd.failing_lba); | |
5944 | ||
5945 | sense_buf[0] |= 0x80; /* Or in the Valid bit */ | |
5946 | sense_buf[3] = (failing_lba & 0xff000000) >> 24; | |
5947 | sense_buf[4] = (failing_lba & 0x00ff0000) >> 16; | |
5948 | sense_buf[5] = (failing_lba & 0x0000ff00) >> 8; | |
5949 | sense_buf[6] = failing_lba & 0x000000ff; | |
5950 | } | |
5951 | ||
5952 | sense_buf[7] = 6; /* additional length */ | |
5953 | } | |
5954 | } | |
5955 | } | |
5956 | ||
ee0a90fa BK |
5957 | /** |
5958 | * ipr_get_autosense - Copy autosense data to sense buffer | |
5959 | * @ipr_cmd: ipr command struct | |
5960 | * | |
5961 | * This function copies the autosense buffer to the buffer | |
5962 | * in the scsi_cmd, if there is autosense available. | |
5963 | * | |
5964 | * Return value: | |
5965 | * 1 if autosense was available / 0 if not | |
5966 | **/ | |
5967 | static int ipr_get_autosense(struct ipr_cmnd *ipr_cmd) | |
5968 | { | |
96d21f00 WB |
5969 | struct ipr_ioasa *ioasa = &ipr_cmd->s.ioasa; |
5970 | struct ipr_ioasa64 *ioasa64 = &ipr_cmd->s.ioasa64; | |
ee0a90fa | 5971 | |
96d21f00 | 5972 | if ((be32_to_cpu(ioasa->hdr.ioasc_specific) & IPR_AUTOSENSE_VALID) == 0) |
ee0a90fa BK |
5973 | return 0; |
5974 | ||
96d21f00 WB |
5975 | if (ipr_cmd->ioa_cfg->sis64) |
5976 | memcpy(ipr_cmd->scsi_cmd->sense_buffer, ioasa64->auto_sense.data, | |
5977 | min_t(u16, be16_to_cpu(ioasa64->auto_sense.auto_sense_len), | |
5978 | SCSI_SENSE_BUFFERSIZE)); | |
5979 | else | |
5980 | memcpy(ipr_cmd->scsi_cmd->sense_buffer, ioasa->auto_sense.data, | |
5981 | min_t(u16, be16_to_cpu(ioasa->auto_sense.auto_sense_len), | |
5982 | SCSI_SENSE_BUFFERSIZE)); | |
ee0a90fa BK |
5983 | return 1; |
5984 | } | |
5985 | ||
1da177e4 LT |
5986 | /** |
5987 | * ipr_erp_start - Process an error response for a SCSI op | |
5988 | * @ioa_cfg: ioa config struct | |
5989 | * @ipr_cmd: ipr command struct | |
5990 | * | |
5991 | * This function determines whether or not to initiate ERP | |
5992 | * on the affected device. | |
5993 | * | |
5994 | * Return value: | |
5995 | * nothing | |
5996 | **/ | |
5997 | static void ipr_erp_start(struct ipr_ioa_cfg *ioa_cfg, | |
5998 | struct ipr_cmnd *ipr_cmd) | |
5999 | { | |
6000 | struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd; | |
6001 | struct ipr_resource_entry *res = scsi_cmd->device->hostdata; | |
96d21f00 | 6002 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
8a048994 | 6003 | u32 masked_ioasc = ioasc & IPR_IOASC_IOASC_MASK; |
1da177e4 LT |
6004 | |
6005 | if (!res) { | |
6006 | ipr_scsi_eh_done(ipr_cmd); | |
6007 | return; | |
6008 | } | |
6009 | ||
8a048994 | 6010 | if (!ipr_is_gscsi(res) && masked_ioasc != IPR_IOASC_HW_DEV_BUS_STATUS) |
1da177e4 LT |
6011 | ipr_gen_sense(ipr_cmd); |
6012 | ||
cc9bd5d4 BK |
6013 | ipr_dump_ioasa(ioa_cfg, ipr_cmd, res); |
6014 | ||
8a048994 | 6015 | switch (masked_ioasc) { |
1da177e4 | 6016 | case IPR_IOASC_ABORTED_CMD_TERM_BY_HOST: |
ee0a90fa BK |
6017 | if (ipr_is_naca_model(res)) |
6018 | scsi_cmd->result |= (DID_ABORT << 16); | |
6019 | else | |
6020 | scsi_cmd->result |= (DID_IMM_RETRY << 16); | |
1da177e4 LT |
6021 | break; |
6022 | case IPR_IOASC_IR_RESOURCE_HANDLE: | |
b0df54bb | 6023 | case IPR_IOASC_IR_NO_CMDS_TO_2ND_IOA: |
1da177e4 LT |
6024 | scsi_cmd->result |= (DID_NO_CONNECT << 16); |
6025 | break; | |
6026 | case IPR_IOASC_HW_SEL_TIMEOUT: | |
6027 | scsi_cmd->result |= (DID_NO_CONNECT << 16); | |
ee0a90fa BK |
6028 | if (!ipr_is_naca_model(res)) |
6029 | res->needs_sync_complete = 1; | |
1da177e4 LT |
6030 | break; |
6031 | case IPR_IOASC_SYNC_REQUIRED: | |
6032 | if (!res->in_erp) | |
6033 | res->needs_sync_complete = 1; | |
6034 | scsi_cmd->result |= (DID_IMM_RETRY << 16); | |
6035 | break; | |
6036 | case IPR_IOASC_MED_DO_NOT_REALLOC: /* prevent retries */ | |
b0df54bb | 6037 | case IPR_IOASA_IR_DUAL_IOA_DISABLED: |
1da177e4 LT |
6038 | scsi_cmd->result |= (DID_PASSTHROUGH << 16); |
6039 | break; | |
6040 | case IPR_IOASC_BUS_WAS_RESET: | |
6041 | case IPR_IOASC_BUS_WAS_RESET_BY_OTHER: | |
6042 | /* | |
6043 | * Report the bus reset and ask for a retry. The device | |
6044 | * will give CC/UA the next command. | |
6045 | */ | |
6046 | if (!res->resetting_device) | |
6047 | scsi_report_bus_reset(ioa_cfg->host, scsi_cmd->device->channel); | |
6048 | scsi_cmd->result |= (DID_ERROR << 16); | |
ee0a90fa BK |
6049 | if (!ipr_is_naca_model(res)) |
6050 | res->needs_sync_complete = 1; | |
1da177e4 LT |
6051 | break; |
6052 | case IPR_IOASC_HW_DEV_BUS_STATUS: | |
6053 | scsi_cmd->result |= IPR_IOASC_SENSE_STATUS(ioasc); | |
6054 | if (IPR_IOASC_SENSE_STATUS(ioasc) == SAM_STAT_CHECK_CONDITION) { | |
ee0a90fa BK |
6055 | if (!ipr_get_autosense(ipr_cmd)) { |
6056 | if (!ipr_is_naca_model(res)) { | |
6057 | ipr_erp_cancel_all(ipr_cmd); | |
6058 | return; | |
6059 | } | |
6060 | } | |
1da177e4 | 6061 | } |
ee0a90fa BK |
6062 | if (!ipr_is_naca_model(res)) |
6063 | res->needs_sync_complete = 1; | |
1da177e4 LT |
6064 | break; |
6065 | case IPR_IOASC_NR_INIT_CMD_REQUIRED: | |
6066 | break; | |
6067 | default: | |
5b7304fb BK |
6068 | if (IPR_IOASC_SENSE_KEY(ioasc) > RECOVERED_ERROR) |
6069 | scsi_cmd->result |= (DID_ERROR << 16); | |
ee0a90fa | 6070 | if (!ipr_is_vset_device(res) && !ipr_is_naca_model(res)) |
1da177e4 LT |
6071 | res->needs_sync_complete = 1; |
6072 | break; | |
6073 | } | |
6074 | ||
63015bc9 | 6075 | scsi_dma_unmap(ipr_cmd->scsi_cmd); |
05a6538a | 6076 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
1da177e4 LT |
6077 | scsi_cmd->scsi_done(scsi_cmd); |
6078 | } | |
6079 | ||
6080 | /** | |
6081 | * ipr_scsi_done - mid-layer done function | |
6082 | * @ipr_cmd: ipr command struct | |
6083 | * | |
6084 | * This function is invoked by the interrupt handler for | |
6085 | * ops generated by the SCSI mid-layer | |
6086 | * | |
6087 | * Return value: | |
6088 | * none | |
6089 | **/ | |
6090 | static void ipr_scsi_done(struct ipr_cmnd *ipr_cmd) | |
6091 | { | |
6092 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
6093 | struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd; | |
96d21f00 | 6094 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
05a6538a | 6095 | unsigned long hrrq_flags; |
1da177e4 | 6096 | |
96d21f00 | 6097 | scsi_set_resid(scsi_cmd, be32_to_cpu(ipr_cmd->s.ioasa.hdr.residual_data_len)); |
1da177e4 LT |
6098 | |
6099 | if (likely(IPR_IOASC_SENSE_KEY(ioasc) == 0)) { | |
172cd6e1 BK |
6100 | scsi_dma_unmap(scsi_cmd); |
6101 | ||
56d6aa33 | 6102 | spin_lock_irqsave(ipr_cmd->hrrq->lock, hrrq_flags); |
05a6538a | 6103 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
1da177e4 | 6104 | scsi_cmd->scsi_done(scsi_cmd); |
56d6aa33 | 6105 | spin_unlock_irqrestore(ipr_cmd->hrrq->lock, hrrq_flags); |
172cd6e1 | 6106 | } else { |
56d6aa33 | 6107 | spin_lock_irqsave(ipr_cmd->hrrq->lock, hrrq_flags); |
1da177e4 | 6108 | ipr_erp_start(ioa_cfg, ipr_cmd); |
56d6aa33 | 6109 | spin_unlock_irqrestore(ipr_cmd->hrrq->lock, hrrq_flags); |
172cd6e1 | 6110 | } |
1da177e4 LT |
6111 | } |
6112 | ||
1da177e4 LT |
6113 | /** |
6114 | * ipr_queuecommand - Queue a mid-layer request | |
00bfef2c | 6115 | * @shost: scsi host struct |
1da177e4 | 6116 | * @scsi_cmd: scsi command struct |
1da177e4 LT |
6117 | * |
6118 | * This function queues a request generated by the mid-layer. | |
6119 | * | |
6120 | * Return value: | |
6121 | * 0 on success | |
6122 | * SCSI_MLQUEUE_DEVICE_BUSY if device is busy | |
6123 | * SCSI_MLQUEUE_HOST_BUSY if host is busy | |
6124 | **/ | |
00bfef2c BK |
6125 | static int ipr_queuecommand(struct Scsi_Host *shost, |
6126 | struct scsi_cmnd *scsi_cmd) | |
1da177e4 LT |
6127 | { |
6128 | struct ipr_ioa_cfg *ioa_cfg; | |
6129 | struct ipr_resource_entry *res; | |
6130 | struct ipr_ioarcb *ioarcb; | |
6131 | struct ipr_cmnd *ipr_cmd; | |
56d6aa33 | 6132 | unsigned long hrrq_flags, lock_flags; |
d12f1576 | 6133 | int rc; |
05a6538a | 6134 | struct ipr_hrr_queue *hrrq; |
6135 | int hrrq_id; | |
1da177e4 | 6136 | |
00bfef2c BK |
6137 | ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
6138 | ||
1da177e4 | 6139 | scsi_cmd->result = (DID_OK << 16); |
00bfef2c | 6140 | res = scsi_cmd->device->hostdata; |
56d6aa33 | 6141 | |
6142 | if (ipr_is_gata(res) && res->sata_port) { | |
6143 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
6144 | rc = ata_sas_queuecmd(scsi_cmd, res->sata_port->ap); | |
6145 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
6146 | return rc; | |
6147 | } | |
6148 | ||
05a6538a | 6149 | hrrq_id = ipr_get_hrrq_index(ioa_cfg); |
6150 | hrrq = &ioa_cfg->hrrq[hrrq_id]; | |
1da177e4 | 6151 | |
56d6aa33 | 6152 | spin_lock_irqsave(hrrq->lock, hrrq_flags); |
1da177e4 LT |
6153 | /* |
6154 | * We are currently blocking all devices due to a host reset | |
6155 | * We have told the host to stop giving us new requests, but | |
6156 | * ERP ops don't count. FIXME | |
6157 | */ | |
bfae7820 | 6158 | if (unlikely(!hrrq->allow_cmds && !hrrq->ioa_is_dead && !hrrq->removing_ioa)) { |
56d6aa33 | 6159 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); |
1da177e4 | 6160 | return SCSI_MLQUEUE_HOST_BUSY; |
00bfef2c | 6161 | } |
1da177e4 LT |
6162 | |
6163 | /* | |
6164 | * FIXME - Create scsi_set_host_offline interface | |
6165 | * and the ioa_is_dead check can be removed | |
6166 | */ | |
bfae7820 | 6167 | if (unlikely(hrrq->ioa_is_dead || hrrq->removing_ioa || !res)) { |
56d6aa33 | 6168 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); |
00bfef2c | 6169 | goto err_nodev; |
1da177e4 LT |
6170 | } |
6171 | ||
05a6538a | 6172 | ipr_cmd = __ipr_get_free_ipr_cmnd(hrrq); |
6173 | if (ipr_cmd == NULL) { | |
56d6aa33 | 6174 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); |
05a6538a | 6175 | return SCSI_MLQUEUE_HOST_BUSY; |
6176 | } | |
56d6aa33 | 6177 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); |
35a39691 | 6178 | |
172cd6e1 | 6179 | ipr_init_ipr_cmnd(ipr_cmd, ipr_scsi_done); |
1da177e4 | 6180 | ioarcb = &ipr_cmd->ioarcb; |
1da177e4 LT |
6181 | |
6182 | memcpy(ioarcb->cmd_pkt.cdb, scsi_cmd->cmnd, scsi_cmd->cmd_len); | |
6183 | ipr_cmd->scsi_cmd = scsi_cmd; | |
172cd6e1 | 6184 | ipr_cmd->done = ipr_scsi_eh_done; |
1da177e4 LT |
6185 | |
6186 | if (ipr_is_gscsi(res) || ipr_is_vset_device(res)) { | |
6187 | if (scsi_cmd->underflow == 0) | |
6188 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_NO_ULEN_CHK; | |
6189 | ||
1da177e4 | 6190 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_NO_LINK_DESC; |
0b1f8d44 WX |
6191 | if (ipr_is_gscsi(res) && res->reset_occurred) { |
6192 | res->reset_occurred = 0; | |
ab6c10b1 | 6193 | ioarcb->cmd_pkt.flags_lo |= IPR_FLAGS_LO_DELAY_AFTER_RST; |
0b1f8d44 | 6194 | } |
1da177e4 | 6195 | ioarcb->cmd_pkt.flags_lo |= IPR_FLAGS_LO_ALIGNED_BFR; |
50668633 CH |
6196 | if (scsi_cmd->flags & SCMD_TAGGED) |
6197 | ioarcb->cmd_pkt.flags_lo |= IPR_FLAGS_LO_SIMPLE_TASK; | |
6198 | else | |
6199 | ioarcb->cmd_pkt.flags_lo |= IPR_FLAGS_LO_UNTAGGED_TASK; | |
1da177e4 LT |
6200 | } |
6201 | ||
6202 | if (scsi_cmd->cmnd[0] >= 0xC0 && | |
05a6538a | 6203 | (!ipr_is_gscsi(res) || scsi_cmd->cmnd[0] == IPR_QUERY_RSRC_STATE)) { |
1da177e4 | 6204 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_IOACMD; |
05a6538a | 6205 | } |
1da177e4 | 6206 | |
d12f1576 DC |
6207 | if (ioa_cfg->sis64) |
6208 | rc = ipr_build_ioadl64(ioa_cfg, ipr_cmd); | |
6209 | else | |
6210 | rc = ipr_build_ioadl(ioa_cfg, ipr_cmd); | |
1da177e4 | 6211 | |
56d6aa33 | 6212 | spin_lock_irqsave(hrrq->lock, hrrq_flags); |
6213 | if (unlikely(rc || (!hrrq->allow_cmds && !hrrq->ioa_is_dead))) { | |
05a6538a | 6214 | list_add_tail(&ipr_cmd->queue, &hrrq->hrrq_free_q); |
56d6aa33 | 6215 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); |
00bfef2c BK |
6216 | if (!rc) |
6217 | scsi_dma_unmap(scsi_cmd); | |
a5fb407e | 6218 | return SCSI_MLQUEUE_HOST_BUSY; |
1da177e4 LT |
6219 | } |
6220 | ||
56d6aa33 | 6221 | if (unlikely(hrrq->ioa_is_dead)) { |
05a6538a | 6222 | list_add_tail(&ipr_cmd->queue, &hrrq->hrrq_free_q); |
56d6aa33 | 6223 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); |
00bfef2c BK |
6224 | scsi_dma_unmap(scsi_cmd); |
6225 | goto err_nodev; | |
6226 | } | |
6227 | ||
6228 | ioarcb->res_handle = res->res_handle; | |
6229 | if (res->needs_sync_complete) { | |
6230 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_SYNC_COMPLETE; | |
6231 | res->needs_sync_complete = 0; | |
6232 | } | |
05a6538a | 6233 | list_add_tail(&ipr_cmd->queue, &hrrq->hrrq_pending_q); |
00bfef2c | 6234 | ipr_trc_hook(ipr_cmd, IPR_TRACE_START, IPR_GET_RES_PHYS_LOC(res)); |
a5fb407e | 6235 | ipr_send_command(ipr_cmd); |
56d6aa33 | 6236 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); |
1da177e4 | 6237 | return 0; |
1da177e4 | 6238 | |
00bfef2c | 6239 | err_nodev: |
56d6aa33 | 6240 | spin_lock_irqsave(hrrq->lock, hrrq_flags); |
00bfef2c BK |
6241 | memset(scsi_cmd->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); |
6242 | scsi_cmd->result = (DID_NO_CONNECT << 16); | |
6243 | scsi_cmd->scsi_done(scsi_cmd); | |
56d6aa33 | 6244 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); |
00bfef2c BK |
6245 | return 0; |
6246 | } | |
f281233d | 6247 | |
35a39691 BK |
6248 | /** |
6249 | * ipr_ioctl - IOCTL handler | |
6250 | * @sdev: scsi device struct | |
6251 | * @cmd: IOCTL cmd | |
6252 | * @arg: IOCTL arg | |
6253 | * | |
6254 | * Return value: | |
6255 | * 0 on success / other on failure | |
6256 | **/ | |
bd705f2d | 6257 | static int ipr_ioctl(struct scsi_device *sdev, int cmd, void __user *arg) |
35a39691 BK |
6258 | { |
6259 | struct ipr_resource_entry *res; | |
6260 | ||
6261 | res = (struct ipr_resource_entry *)sdev->hostdata; | |
0ce3a7e5 BK |
6262 | if (res && ipr_is_gata(res)) { |
6263 | if (cmd == HDIO_GET_IDENTITY) | |
6264 | return -ENOTTY; | |
94be9a58 | 6265 | return ata_sas_scsi_ioctl(res->sata_port->ap, sdev, cmd, arg); |
0ce3a7e5 | 6266 | } |
35a39691 BK |
6267 | |
6268 | return -EINVAL; | |
6269 | } | |
6270 | ||
1da177e4 LT |
6271 | /** |
6272 | * ipr_info - Get information about the card/driver | |
6273 | * @scsi_host: scsi host struct | |
6274 | * | |
6275 | * Return value: | |
6276 | * pointer to buffer with description string | |
6277 | **/ | |
203fa3fe | 6278 | static const char *ipr_ioa_info(struct Scsi_Host *host) |
1da177e4 LT |
6279 | { |
6280 | static char buffer[512]; | |
6281 | struct ipr_ioa_cfg *ioa_cfg; | |
6282 | unsigned long lock_flags = 0; | |
6283 | ||
6284 | ioa_cfg = (struct ipr_ioa_cfg *) host->hostdata; | |
6285 | ||
6286 | spin_lock_irqsave(host->host_lock, lock_flags); | |
6287 | sprintf(buffer, "IBM %X Storage Adapter", ioa_cfg->type); | |
6288 | spin_unlock_irqrestore(host->host_lock, lock_flags); | |
6289 | ||
6290 | return buffer; | |
6291 | } | |
6292 | ||
6293 | static struct scsi_host_template driver_template = { | |
6294 | .module = THIS_MODULE, | |
6295 | .name = "IPR", | |
6296 | .info = ipr_ioa_info, | |
35a39691 | 6297 | .ioctl = ipr_ioctl, |
1da177e4 LT |
6298 | .queuecommand = ipr_queuecommand, |
6299 | .eh_abort_handler = ipr_eh_abort, | |
6300 | .eh_device_reset_handler = ipr_eh_dev_reset, | |
6301 | .eh_host_reset_handler = ipr_eh_host_reset, | |
6302 | .slave_alloc = ipr_slave_alloc, | |
6303 | .slave_configure = ipr_slave_configure, | |
6304 | .slave_destroy = ipr_slave_destroy, | |
35a39691 BK |
6305 | .target_alloc = ipr_target_alloc, |
6306 | .target_destroy = ipr_target_destroy, | |
1da177e4 LT |
6307 | .change_queue_depth = ipr_change_queue_depth, |
6308 | .change_queue_type = ipr_change_queue_type, | |
6309 | .bios_param = ipr_biosparam, | |
6310 | .can_queue = IPR_MAX_COMMANDS, | |
6311 | .this_id = -1, | |
6312 | .sg_tablesize = IPR_MAX_SGLIST, | |
6313 | .max_sectors = IPR_IOA_MAX_SECTORS, | |
6314 | .cmd_per_lun = IPR_MAX_CMD_PER_LUN, | |
6315 | .use_clustering = ENABLE_CLUSTERING, | |
6316 | .shost_attrs = ipr_ioa_attrs, | |
6317 | .sdev_attrs = ipr_dev_attrs, | |
54b2b50c MP |
6318 | .proc_name = IPR_NAME, |
6319 | .no_write_same = 1, | |
2ecb204d | 6320 | .use_blk_tags = 1, |
1da177e4 LT |
6321 | }; |
6322 | ||
35a39691 BK |
6323 | /** |
6324 | * ipr_ata_phy_reset - libata phy_reset handler | |
6325 | * @ap: ata port to reset | |
6326 | * | |
6327 | **/ | |
6328 | static void ipr_ata_phy_reset(struct ata_port *ap) | |
6329 | { | |
6330 | unsigned long flags; | |
6331 | struct ipr_sata_port *sata_port = ap->private_data; | |
6332 | struct ipr_resource_entry *res = sata_port->res; | |
6333 | struct ipr_ioa_cfg *ioa_cfg = sata_port->ioa_cfg; | |
6334 | int rc; | |
6335 | ||
6336 | ENTER; | |
6337 | spin_lock_irqsave(ioa_cfg->host->host_lock, flags); | |
203fa3fe | 6338 | while (ioa_cfg->in_reset_reload) { |
35a39691 BK |
6339 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); |
6340 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
6341 | spin_lock_irqsave(ioa_cfg->host->host_lock, flags); | |
6342 | } | |
6343 | ||
56d6aa33 | 6344 | if (!ioa_cfg->hrrq[IPR_INIT_HRRQ].allow_cmds) |
35a39691 BK |
6345 | goto out_unlock; |
6346 | ||
6347 | rc = ipr_device_reset(ioa_cfg, res); | |
6348 | ||
6349 | if (rc) { | |
3e4ec344 | 6350 | ap->link.device[0].class = ATA_DEV_NONE; |
35a39691 BK |
6351 | goto out_unlock; |
6352 | } | |
6353 | ||
3e7ebdfa WB |
6354 | ap->link.device[0].class = res->ata_class; |
6355 | if (ap->link.device[0].class == ATA_DEV_UNKNOWN) | |
3e4ec344 | 6356 | ap->link.device[0].class = ATA_DEV_NONE; |
35a39691 BK |
6357 | |
6358 | out_unlock: | |
6359 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); | |
6360 | LEAVE; | |
6361 | } | |
6362 | ||
6363 | /** | |
6364 | * ipr_ata_post_internal - Cleanup after an internal command | |
6365 | * @qc: ATA queued command | |
6366 | * | |
6367 | * Return value: | |
6368 | * none | |
6369 | **/ | |
6370 | static void ipr_ata_post_internal(struct ata_queued_cmd *qc) | |
6371 | { | |
6372 | struct ipr_sata_port *sata_port = qc->ap->private_data; | |
6373 | struct ipr_ioa_cfg *ioa_cfg = sata_port->ioa_cfg; | |
6374 | struct ipr_cmnd *ipr_cmd; | |
05a6538a | 6375 | struct ipr_hrr_queue *hrrq; |
35a39691 BK |
6376 | unsigned long flags; |
6377 | ||
6378 | spin_lock_irqsave(ioa_cfg->host->host_lock, flags); | |
203fa3fe | 6379 | while (ioa_cfg->in_reset_reload) { |
73d98ff0 BK |
6380 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); |
6381 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
6382 | spin_lock_irqsave(ioa_cfg->host->host_lock, flags); | |
6383 | } | |
6384 | ||
05a6538a | 6385 | for_each_hrrq(hrrq, ioa_cfg) { |
56d6aa33 | 6386 | spin_lock(&hrrq->_lock); |
05a6538a | 6387 | list_for_each_entry(ipr_cmd, &hrrq->hrrq_pending_q, queue) { |
6388 | if (ipr_cmd->qc == qc) { | |
6389 | ipr_device_reset(ioa_cfg, sata_port->res); | |
6390 | break; | |
6391 | } | |
35a39691 | 6392 | } |
56d6aa33 | 6393 | spin_unlock(&hrrq->_lock); |
35a39691 BK |
6394 | } |
6395 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); | |
6396 | } | |
6397 | ||
35a39691 BK |
6398 | /** |
6399 | * ipr_copy_sata_tf - Copy a SATA taskfile to an IOA data structure | |
6400 | * @regs: destination | |
6401 | * @tf: source ATA taskfile | |
6402 | * | |
6403 | * Return value: | |
6404 | * none | |
6405 | **/ | |
6406 | static void ipr_copy_sata_tf(struct ipr_ioarcb_ata_regs *regs, | |
6407 | struct ata_taskfile *tf) | |
6408 | { | |
6409 | regs->feature = tf->feature; | |
6410 | regs->nsect = tf->nsect; | |
6411 | regs->lbal = tf->lbal; | |
6412 | regs->lbam = tf->lbam; | |
6413 | regs->lbah = tf->lbah; | |
6414 | regs->device = tf->device; | |
6415 | regs->command = tf->command; | |
6416 | regs->hob_feature = tf->hob_feature; | |
6417 | regs->hob_nsect = tf->hob_nsect; | |
6418 | regs->hob_lbal = tf->hob_lbal; | |
6419 | regs->hob_lbam = tf->hob_lbam; | |
6420 | regs->hob_lbah = tf->hob_lbah; | |
6421 | regs->ctl = tf->ctl; | |
6422 | } | |
6423 | ||
6424 | /** | |
6425 | * ipr_sata_done - done function for SATA commands | |
6426 | * @ipr_cmd: ipr command struct | |
6427 | * | |
6428 | * This function is invoked by the interrupt handler for | |
6429 | * ops generated by the SCSI mid-layer to SATA devices | |
6430 | * | |
6431 | * Return value: | |
6432 | * none | |
6433 | **/ | |
6434 | static void ipr_sata_done(struct ipr_cmnd *ipr_cmd) | |
6435 | { | |
6436 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
6437 | struct ata_queued_cmd *qc = ipr_cmd->qc; | |
6438 | struct ipr_sata_port *sata_port = qc->ap->private_data; | |
6439 | struct ipr_resource_entry *res = sata_port->res; | |
96d21f00 | 6440 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
35a39691 | 6441 | |
56d6aa33 | 6442 | spin_lock(&ipr_cmd->hrrq->_lock); |
96d21f00 WB |
6443 | if (ipr_cmd->ioa_cfg->sis64) |
6444 | memcpy(&sata_port->ioasa, &ipr_cmd->s.ioasa64.u.gata, | |
6445 | sizeof(struct ipr_ioasa_gata)); | |
6446 | else | |
6447 | memcpy(&sata_port->ioasa, &ipr_cmd->s.ioasa.u.gata, | |
6448 | sizeof(struct ipr_ioasa_gata)); | |
35a39691 BK |
6449 | ipr_dump_ioasa(ioa_cfg, ipr_cmd, res); |
6450 | ||
96d21f00 | 6451 | if (be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc_specific) & IPR_ATA_DEVICE_WAS_RESET) |
3e7ebdfa | 6452 | scsi_report_device_reset(ioa_cfg->host, res->bus, res->target); |
35a39691 BK |
6453 | |
6454 | if (IPR_IOASC_SENSE_KEY(ioasc) > RECOVERED_ERROR) | |
96d21f00 | 6455 | qc->err_mask |= __ac_err_mask(sata_port->ioasa.status); |
35a39691 | 6456 | else |
96d21f00 | 6457 | qc->err_mask |= ac_err_mask(sata_port->ioasa.status); |
05a6538a | 6458 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
56d6aa33 | 6459 | spin_unlock(&ipr_cmd->hrrq->_lock); |
35a39691 BK |
6460 | ata_qc_complete(qc); |
6461 | } | |
6462 | ||
a32c055f WB |
6463 | /** |
6464 | * ipr_build_ata_ioadl64 - Build an ATA scatter/gather list | |
6465 | * @ipr_cmd: ipr command struct | |
6466 | * @qc: ATA queued command | |
6467 | * | |
6468 | **/ | |
6469 | static void ipr_build_ata_ioadl64(struct ipr_cmnd *ipr_cmd, | |
6470 | struct ata_queued_cmd *qc) | |
6471 | { | |
6472 | u32 ioadl_flags = 0; | |
6473 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
1ac7c26d | 6474 | struct ipr_ioadl64_desc *ioadl64 = ipr_cmd->i.ata_ioadl.ioadl64; |
a32c055f WB |
6475 | struct ipr_ioadl64_desc *last_ioadl64 = NULL; |
6476 | int len = qc->nbytes; | |
6477 | struct scatterlist *sg; | |
6478 | unsigned int si; | |
6479 | dma_addr_t dma_addr = ipr_cmd->dma_addr; | |
6480 | ||
6481 | if (len == 0) | |
6482 | return; | |
6483 | ||
6484 | if (qc->dma_dir == DMA_TO_DEVICE) { | |
6485 | ioadl_flags = IPR_IOADL_FLAGS_WRITE; | |
6486 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ; | |
6487 | } else if (qc->dma_dir == DMA_FROM_DEVICE) | |
6488 | ioadl_flags = IPR_IOADL_FLAGS_READ; | |
6489 | ||
6490 | ioarcb->data_transfer_length = cpu_to_be32(len); | |
6491 | ioarcb->ioadl_len = | |
6492 | cpu_to_be32(sizeof(struct ipr_ioadl64_desc) * ipr_cmd->dma_use_sg); | |
6493 | ioarcb->u.sis64_addr_data.data_ioadl_addr = | |
1ac7c26d | 6494 | cpu_to_be64(dma_addr + offsetof(struct ipr_cmnd, i.ata_ioadl.ioadl64)); |
a32c055f WB |
6495 | |
6496 | for_each_sg(qc->sg, sg, qc->n_elem, si) { | |
6497 | ioadl64->flags = cpu_to_be32(ioadl_flags); | |
6498 | ioadl64->data_len = cpu_to_be32(sg_dma_len(sg)); | |
6499 | ioadl64->address = cpu_to_be64(sg_dma_address(sg)); | |
6500 | ||
6501 | last_ioadl64 = ioadl64; | |
6502 | ioadl64++; | |
6503 | } | |
6504 | ||
6505 | if (likely(last_ioadl64)) | |
6506 | last_ioadl64->flags |= cpu_to_be32(IPR_IOADL_FLAGS_LAST); | |
6507 | } | |
6508 | ||
35a39691 BK |
6509 | /** |
6510 | * ipr_build_ata_ioadl - Build an ATA scatter/gather list | |
6511 | * @ipr_cmd: ipr command struct | |
6512 | * @qc: ATA queued command | |
6513 | * | |
6514 | **/ | |
6515 | static void ipr_build_ata_ioadl(struct ipr_cmnd *ipr_cmd, | |
6516 | struct ata_queued_cmd *qc) | |
6517 | { | |
6518 | u32 ioadl_flags = 0; | |
6519 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
a32c055f | 6520 | struct ipr_ioadl_desc *ioadl = ipr_cmd->i.ioadl; |
3be6cbd7 | 6521 | struct ipr_ioadl_desc *last_ioadl = NULL; |
dde20207 | 6522 | int len = qc->nbytes; |
35a39691 | 6523 | struct scatterlist *sg; |
ff2aeb1e | 6524 | unsigned int si; |
35a39691 BK |
6525 | |
6526 | if (len == 0) | |
6527 | return; | |
6528 | ||
6529 | if (qc->dma_dir == DMA_TO_DEVICE) { | |
6530 | ioadl_flags = IPR_IOADL_FLAGS_WRITE; | |
6531 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ; | |
a32c055f WB |
6532 | ioarcb->data_transfer_length = cpu_to_be32(len); |
6533 | ioarcb->ioadl_len = | |
35a39691 BK |
6534 | cpu_to_be32(sizeof(struct ipr_ioadl_desc) * ipr_cmd->dma_use_sg); |
6535 | } else if (qc->dma_dir == DMA_FROM_DEVICE) { | |
6536 | ioadl_flags = IPR_IOADL_FLAGS_READ; | |
6537 | ioarcb->read_data_transfer_length = cpu_to_be32(len); | |
6538 | ioarcb->read_ioadl_len = | |
6539 | cpu_to_be32(sizeof(struct ipr_ioadl_desc) * ipr_cmd->dma_use_sg); | |
6540 | } | |
6541 | ||
ff2aeb1e | 6542 | for_each_sg(qc->sg, sg, qc->n_elem, si) { |
35a39691 BK |
6543 | ioadl->flags_and_data_len = cpu_to_be32(ioadl_flags | sg_dma_len(sg)); |
6544 | ioadl->address = cpu_to_be32(sg_dma_address(sg)); | |
3be6cbd7 JG |
6545 | |
6546 | last_ioadl = ioadl; | |
6547 | ioadl++; | |
35a39691 | 6548 | } |
3be6cbd7 JG |
6549 | |
6550 | if (likely(last_ioadl)) | |
6551 | last_ioadl->flags_and_data_len |= cpu_to_be32(IPR_IOADL_FLAGS_LAST); | |
35a39691 BK |
6552 | } |
6553 | ||
56d6aa33 | 6554 | /** |
6555 | * ipr_qc_defer - Get a free ipr_cmd | |
6556 | * @qc: queued command | |
6557 | * | |
6558 | * Return value: | |
6559 | * 0 if success | |
6560 | **/ | |
6561 | static int ipr_qc_defer(struct ata_queued_cmd *qc) | |
6562 | { | |
6563 | struct ata_port *ap = qc->ap; | |
6564 | struct ipr_sata_port *sata_port = ap->private_data; | |
6565 | struct ipr_ioa_cfg *ioa_cfg = sata_port->ioa_cfg; | |
6566 | struct ipr_cmnd *ipr_cmd; | |
6567 | struct ipr_hrr_queue *hrrq; | |
6568 | int hrrq_id; | |
6569 | ||
6570 | hrrq_id = ipr_get_hrrq_index(ioa_cfg); | |
6571 | hrrq = &ioa_cfg->hrrq[hrrq_id]; | |
6572 | ||
6573 | qc->lldd_task = NULL; | |
6574 | spin_lock(&hrrq->_lock); | |
6575 | if (unlikely(hrrq->ioa_is_dead)) { | |
6576 | spin_unlock(&hrrq->_lock); | |
6577 | return 0; | |
6578 | } | |
6579 | ||
6580 | if (unlikely(!hrrq->allow_cmds)) { | |
6581 | spin_unlock(&hrrq->_lock); | |
6582 | return ATA_DEFER_LINK; | |
6583 | } | |
6584 | ||
6585 | ipr_cmd = __ipr_get_free_ipr_cmnd(hrrq); | |
6586 | if (ipr_cmd == NULL) { | |
6587 | spin_unlock(&hrrq->_lock); | |
6588 | return ATA_DEFER_LINK; | |
6589 | } | |
6590 | ||
6591 | qc->lldd_task = ipr_cmd; | |
6592 | spin_unlock(&hrrq->_lock); | |
6593 | return 0; | |
6594 | } | |
6595 | ||
35a39691 BK |
6596 | /** |
6597 | * ipr_qc_issue - Issue a SATA qc to a device | |
6598 | * @qc: queued command | |
6599 | * | |
6600 | * Return value: | |
6601 | * 0 if success | |
6602 | **/ | |
6603 | static unsigned int ipr_qc_issue(struct ata_queued_cmd *qc) | |
6604 | { | |
6605 | struct ata_port *ap = qc->ap; | |
6606 | struct ipr_sata_port *sata_port = ap->private_data; | |
6607 | struct ipr_resource_entry *res = sata_port->res; | |
6608 | struct ipr_ioa_cfg *ioa_cfg = sata_port->ioa_cfg; | |
6609 | struct ipr_cmnd *ipr_cmd; | |
6610 | struct ipr_ioarcb *ioarcb; | |
6611 | struct ipr_ioarcb_ata_regs *regs; | |
6612 | ||
56d6aa33 | 6613 | if (qc->lldd_task == NULL) |
6614 | ipr_qc_defer(qc); | |
6615 | ||
6616 | ipr_cmd = qc->lldd_task; | |
6617 | if (ipr_cmd == NULL) | |
0feeed82 | 6618 | return AC_ERR_SYSTEM; |
35a39691 | 6619 | |
56d6aa33 | 6620 | qc->lldd_task = NULL; |
6621 | spin_lock(&ipr_cmd->hrrq->_lock); | |
6622 | if (unlikely(!ipr_cmd->hrrq->allow_cmds || | |
6623 | ipr_cmd->hrrq->ioa_is_dead)) { | |
6624 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); | |
6625 | spin_unlock(&ipr_cmd->hrrq->_lock); | |
6626 | return AC_ERR_SYSTEM; | |
6627 | } | |
6628 | ||
05a6538a | 6629 | ipr_init_ipr_cmnd(ipr_cmd, ipr_lock_and_done); |
35a39691 | 6630 | ioarcb = &ipr_cmd->ioarcb; |
35a39691 | 6631 | |
a32c055f WB |
6632 | if (ioa_cfg->sis64) { |
6633 | regs = &ipr_cmd->i.ata_ioadl.regs; | |
6634 | ioarcb->add_cmd_parms_offset = cpu_to_be16(sizeof(*ioarcb)); | |
6635 | } else | |
6636 | regs = &ioarcb->u.add_data.u.regs; | |
6637 | ||
6638 | memset(regs, 0, sizeof(*regs)); | |
6639 | ioarcb->add_cmd_parms_len = cpu_to_be16(sizeof(*regs)); | |
35a39691 | 6640 | |
56d6aa33 | 6641 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_pending_q); |
35a39691 BK |
6642 | ipr_cmd->qc = qc; |
6643 | ipr_cmd->done = ipr_sata_done; | |
3e7ebdfa | 6644 | ipr_cmd->ioarcb.res_handle = res->res_handle; |
35a39691 BK |
6645 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_ATA_PASSTHRU; |
6646 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_NO_LINK_DESC; | |
6647 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_NO_ULEN_CHK; | |
dde20207 | 6648 | ipr_cmd->dma_use_sg = qc->n_elem; |
35a39691 | 6649 | |
a32c055f WB |
6650 | if (ioa_cfg->sis64) |
6651 | ipr_build_ata_ioadl64(ipr_cmd, qc); | |
6652 | else | |
6653 | ipr_build_ata_ioadl(ipr_cmd, qc); | |
6654 | ||
35a39691 BK |
6655 | regs->flags |= IPR_ATA_FLAG_STATUS_ON_GOOD_COMPLETION; |
6656 | ipr_copy_sata_tf(regs, &qc->tf); | |
6657 | memcpy(ioarcb->cmd_pkt.cdb, qc->cdb, IPR_MAX_CDB_LEN); | |
3e7ebdfa | 6658 | ipr_trc_hook(ipr_cmd, IPR_TRACE_START, IPR_GET_RES_PHYS_LOC(res)); |
35a39691 BK |
6659 | |
6660 | switch (qc->tf.protocol) { | |
6661 | case ATA_PROT_NODATA: | |
6662 | case ATA_PROT_PIO: | |
6663 | break; | |
6664 | ||
6665 | case ATA_PROT_DMA: | |
6666 | regs->flags |= IPR_ATA_FLAG_XFER_TYPE_DMA; | |
6667 | break; | |
6668 | ||
0dc36888 TH |
6669 | case ATAPI_PROT_PIO: |
6670 | case ATAPI_PROT_NODATA: | |
35a39691 BK |
6671 | regs->flags |= IPR_ATA_FLAG_PACKET_CMD; |
6672 | break; | |
6673 | ||
0dc36888 | 6674 | case ATAPI_PROT_DMA: |
35a39691 BK |
6675 | regs->flags |= IPR_ATA_FLAG_PACKET_CMD; |
6676 | regs->flags |= IPR_ATA_FLAG_XFER_TYPE_DMA; | |
6677 | break; | |
6678 | ||
6679 | default: | |
6680 | WARN_ON(1); | |
56d6aa33 | 6681 | spin_unlock(&ipr_cmd->hrrq->_lock); |
0feeed82 | 6682 | return AC_ERR_INVALID; |
35a39691 BK |
6683 | } |
6684 | ||
a32c055f | 6685 | ipr_send_command(ipr_cmd); |
56d6aa33 | 6686 | spin_unlock(&ipr_cmd->hrrq->_lock); |
a32c055f | 6687 | |
35a39691 BK |
6688 | return 0; |
6689 | } | |
6690 | ||
4c9bf4e7 TH |
6691 | /** |
6692 | * ipr_qc_fill_rtf - Read result TF | |
6693 | * @qc: ATA queued command | |
6694 | * | |
6695 | * Return value: | |
6696 | * true | |
6697 | **/ | |
6698 | static bool ipr_qc_fill_rtf(struct ata_queued_cmd *qc) | |
6699 | { | |
6700 | struct ipr_sata_port *sata_port = qc->ap->private_data; | |
6701 | struct ipr_ioasa_gata *g = &sata_port->ioasa; | |
6702 | struct ata_taskfile *tf = &qc->result_tf; | |
6703 | ||
6704 | tf->feature = g->error; | |
6705 | tf->nsect = g->nsect; | |
6706 | tf->lbal = g->lbal; | |
6707 | tf->lbam = g->lbam; | |
6708 | tf->lbah = g->lbah; | |
6709 | tf->device = g->device; | |
6710 | tf->command = g->status; | |
6711 | tf->hob_nsect = g->hob_nsect; | |
6712 | tf->hob_lbal = g->hob_lbal; | |
6713 | tf->hob_lbam = g->hob_lbam; | |
6714 | tf->hob_lbah = g->hob_lbah; | |
4c9bf4e7 TH |
6715 | |
6716 | return true; | |
6717 | } | |
6718 | ||
35a39691 | 6719 | static struct ata_port_operations ipr_sata_ops = { |
35a39691 | 6720 | .phy_reset = ipr_ata_phy_reset, |
a1efdaba | 6721 | .hardreset = ipr_sata_reset, |
35a39691 | 6722 | .post_internal_cmd = ipr_ata_post_internal, |
35a39691 | 6723 | .qc_prep = ata_noop_qc_prep, |
56d6aa33 | 6724 | .qc_defer = ipr_qc_defer, |
35a39691 | 6725 | .qc_issue = ipr_qc_issue, |
4c9bf4e7 | 6726 | .qc_fill_rtf = ipr_qc_fill_rtf, |
35a39691 BK |
6727 | .port_start = ata_sas_port_start, |
6728 | .port_stop = ata_sas_port_stop | |
6729 | }; | |
6730 | ||
6731 | static struct ata_port_info sata_port_info = { | |
9cbe056f | 6732 | .flags = ATA_FLAG_SATA | ATA_FLAG_PIO_DMA, |
0f2e0330 SS |
6733 | .pio_mask = ATA_PIO4_ONLY, |
6734 | .mwdma_mask = ATA_MWDMA2, | |
6735 | .udma_mask = ATA_UDMA6, | |
35a39691 BK |
6736 | .port_ops = &ipr_sata_ops |
6737 | }; | |
6738 | ||
1da177e4 LT |
6739 | #ifdef CONFIG_PPC_PSERIES |
6740 | static const u16 ipr_blocked_processors[] = { | |
d3dbeef6 ME |
6741 | PVR_NORTHSTAR, |
6742 | PVR_PULSAR, | |
6743 | PVR_POWER4, | |
6744 | PVR_ICESTAR, | |
6745 | PVR_SSTAR, | |
6746 | PVR_POWER4p, | |
6747 | PVR_630, | |
6748 | PVR_630p | |
1da177e4 LT |
6749 | }; |
6750 | ||
6751 | /** | |
6752 | * ipr_invalid_adapter - Determine if this adapter is supported on this hardware | |
6753 | * @ioa_cfg: ioa cfg struct | |
6754 | * | |
6755 | * Adapters that use Gemstone revision < 3.1 do not work reliably on | |
6756 | * certain pSeries hardware. This function determines if the given | |
6757 | * adapter is in one of these confgurations or not. | |
6758 | * | |
6759 | * Return value: | |
6760 | * 1 if adapter is not supported / 0 if adapter is supported | |
6761 | **/ | |
6762 | static int ipr_invalid_adapter(struct ipr_ioa_cfg *ioa_cfg) | |
6763 | { | |
1da177e4 LT |
6764 | int i; |
6765 | ||
44c10138 | 6766 | if ((ioa_cfg->type == 0x5702) && (ioa_cfg->pdev->revision < 4)) { |
203fa3fe | 6767 | for (i = 0; i < ARRAY_SIZE(ipr_blocked_processors); i++) { |
d3dbeef6 | 6768 | if (pvr_version_is(ipr_blocked_processors[i])) |
44c10138 | 6769 | return 1; |
1da177e4 LT |
6770 | } |
6771 | } | |
6772 | return 0; | |
6773 | } | |
6774 | #else | |
6775 | #define ipr_invalid_adapter(ioa_cfg) 0 | |
6776 | #endif | |
6777 | ||
6778 | /** | |
6779 | * ipr_ioa_bringdown_done - IOA bring down completion. | |
6780 | * @ipr_cmd: ipr command struct | |
6781 | * | |
6782 | * This function processes the completion of an adapter bring down. | |
6783 | * It wakes any reset sleepers. | |
6784 | * | |
6785 | * Return value: | |
6786 | * IPR_RC_JOB_RETURN | |
6787 | **/ | |
6788 | static int ipr_ioa_bringdown_done(struct ipr_cmnd *ipr_cmd) | |
6789 | { | |
6790 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
96b04db9 | 6791 | int i; |
1da177e4 LT |
6792 | |
6793 | ENTER; | |
bfae7820 BK |
6794 | if (!ioa_cfg->hrrq[IPR_INIT_HRRQ].removing_ioa) { |
6795 | ipr_trace; | |
6796 | spin_unlock_irq(ioa_cfg->host->host_lock); | |
6797 | scsi_unblock_requests(ioa_cfg->host); | |
6798 | spin_lock_irq(ioa_cfg->host->host_lock); | |
6799 | } | |
6800 | ||
1da177e4 LT |
6801 | ioa_cfg->in_reset_reload = 0; |
6802 | ioa_cfg->reset_retries = 0; | |
96b04db9 | 6803 | for (i = 0; i < ioa_cfg->hrrq_num; i++) { |
6804 | spin_lock(&ioa_cfg->hrrq[i]._lock); | |
6805 | ioa_cfg->hrrq[i].ioa_is_dead = 1; | |
6806 | spin_unlock(&ioa_cfg->hrrq[i]._lock); | |
6807 | } | |
6808 | wmb(); | |
6809 | ||
05a6538a | 6810 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
1da177e4 | 6811 | wake_up_all(&ioa_cfg->reset_wait_q); |
1da177e4 LT |
6812 | LEAVE; |
6813 | ||
6814 | return IPR_RC_JOB_RETURN; | |
6815 | } | |
6816 | ||
6817 | /** | |
6818 | * ipr_ioa_reset_done - IOA reset completion. | |
6819 | * @ipr_cmd: ipr command struct | |
6820 | * | |
6821 | * This function processes the completion of an adapter reset. | |
6822 | * It schedules any necessary mid-layer add/removes and | |
6823 | * wakes any reset sleepers. | |
6824 | * | |
6825 | * Return value: | |
6826 | * IPR_RC_JOB_RETURN | |
6827 | **/ | |
6828 | static int ipr_ioa_reset_done(struct ipr_cmnd *ipr_cmd) | |
6829 | { | |
6830 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
6831 | struct ipr_resource_entry *res; | |
6832 | struct ipr_hostrcb *hostrcb, *temp; | |
56d6aa33 | 6833 | int i = 0, j; |
1da177e4 LT |
6834 | |
6835 | ENTER; | |
6836 | ioa_cfg->in_reset_reload = 0; | |
56d6aa33 | 6837 | for (j = 0; j < ioa_cfg->hrrq_num; j++) { |
6838 | spin_lock(&ioa_cfg->hrrq[j]._lock); | |
6839 | ioa_cfg->hrrq[j].allow_cmds = 1; | |
6840 | spin_unlock(&ioa_cfg->hrrq[j]._lock); | |
6841 | } | |
6842 | wmb(); | |
1da177e4 | 6843 | ioa_cfg->reset_cmd = NULL; |
3d1d0da6 | 6844 | ioa_cfg->doorbell |= IPR_RUNTIME_RESET; |
1da177e4 LT |
6845 | |
6846 | list_for_each_entry(res, &ioa_cfg->used_res_q, queue) { | |
6847 | if (ioa_cfg->allow_ml_add_del && (res->add_to_ml || res->del_from_ml)) { | |
6848 | ipr_trace; | |
6849 | break; | |
6850 | } | |
6851 | } | |
6852 | schedule_work(&ioa_cfg->work_q); | |
6853 | ||
6854 | list_for_each_entry_safe(hostrcb, temp, &ioa_cfg->hostrcb_free_q, queue) { | |
6855 | list_del(&hostrcb->queue); | |
6856 | if (i++ < IPR_NUM_LOG_HCAMS) | |
6857 | ipr_send_hcam(ioa_cfg, IPR_HCAM_CDB_OP_CODE_LOG_DATA, hostrcb); | |
6858 | else | |
6859 | ipr_send_hcam(ioa_cfg, IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE, hostrcb); | |
6860 | } | |
6861 | ||
6bb04170 | 6862 | scsi_report_bus_reset(ioa_cfg->host, IPR_VSET_BUS); |
1da177e4 LT |
6863 | dev_info(&ioa_cfg->pdev->dev, "IOA initialized.\n"); |
6864 | ||
6865 | ioa_cfg->reset_retries = 0; | |
05a6538a | 6866 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
1da177e4 LT |
6867 | wake_up_all(&ioa_cfg->reset_wait_q); |
6868 | ||
30237853 | 6869 | spin_unlock(ioa_cfg->host->host_lock); |
1da177e4 | 6870 | scsi_unblock_requests(ioa_cfg->host); |
30237853 | 6871 | spin_lock(ioa_cfg->host->host_lock); |
1da177e4 | 6872 | |
56d6aa33 | 6873 | if (!ioa_cfg->hrrq[IPR_INIT_HRRQ].allow_cmds) |
1da177e4 LT |
6874 | scsi_block_requests(ioa_cfg->host); |
6875 | ||
6876 | LEAVE; | |
6877 | return IPR_RC_JOB_RETURN; | |
6878 | } | |
6879 | ||
6880 | /** | |
6881 | * ipr_set_sup_dev_dflt - Initialize a Set Supported Device buffer | |
6882 | * @supported_dev: supported device struct | |
6883 | * @vpids: vendor product id struct | |
6884 | * | |
6885 | * Return value: | |
6886 | * none | |
6887 | **/ | |
6888 | static void ipr_set_sup_dev_dflt(struct ipr_supported_device *supported_dev, | |
6889 | struct ipr_std_inq_vpids *vpids) | |
6890 | { | |
6891 | memset(supported_dev, 0, sizeof(struct ipr_supported_device)); | |
6892 | memcpy(&supported_dev->vpids, vpids, sizeof(struct ipr_std_inq_vpids)); | |
6893 | supported_dev->num_records = 1; | |
6894 | supported_dev->data_length = | |
6895 | cpu_to_be16(sizeof(struct ipr_supported_device)); | |
6896 | supported_dev->reserved = 0; | |
6897 | } | |
6898 | ||
6899 | /** | |
6900 | * ipr_set_supported_devs - Send Set Supported Devices for a device | |
6901 | * @ipr_cmd: ipr command struct | |
6902 | * | |
a32c055f | 6903 | * This function sends a Set Supported Devices to the adapter |
1da177e4 LT |
6904 | * |
6905 | * Return value: | |
6906 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
6907 | **/ | |
6908 | static int ipr_set_supported_devs(struct ipr_cmnd *ipr_cmd) | |
6909 | { | |
6910 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
6911 | struct ipr_supported_device *supp_dev = &ioa_cfg->vpd_cbs->supp_dev; | |
1da177e4 LT |
6912 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; |
6913 | struct ipr_resource_entry *res = ipr_cmd->u.res; | |
6914 | ||
6915 | ipr_cmd->job_step = ipr_ioa_reset_done; | |
6916 | ||
6917 | list_for_each_entry_continue(res, &ioa_cfg->used_res_q, queue) { | |
e4fbf44e | 6918 | if (!ipr_is_scsi_disk(res)) |
1da177e4 LT |
6919 | continue; |
6920 | ||
6921 | ipr_cmd->u.res = res; | |
3e7ebdfa | 6922 | ipr_set_sup_dev_dflt(supp_dev, &res->std_inq_data.vpids); |
1da177e4 LT |
6923 | |
6924 | ioarcb->res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE); | |
6925 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ; | |
6926 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_IOACMD; | |
6927 | ||
6928 | ioarcb->cmd_pkt.cdb[0] = IPR_SET_SUPPORTED_DEVICES; | |
3e7ebdfa | 6929 | ioarcb->cmd_pkt.cdb[1] = IPR_SET_ALL_SUPPORTED_DEVICES; |
1da177e4 LT |
6930 | ioarcb->cmd_pkt.cdb[7] = (sizeof(struct ipr_supported_device) >> 8) & 0xff; |
6931 | ioarcb->cmd_pkt.cdb[8] = sizeof(struct ipr_supported_device) & 0xff; | |
6932 | ||
a32c055f WB |
6933 | ipr_init_ioadl(ipr_cmd, |
6934 | ioa_cfg->vpd_cbs_dma + | |
6935 | offsetof(struct ipr_misc_cbs, supp_dev), | |
6936 | sizeof(struct ipr_supported_device), | |
6937 | IPR_IOADL_FLAGS_WRITE_LAST); | |
1da177e4 LT |
6938 | |
6939 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, | |
6940 | IPR_SET_SUP_DEVICE_TIMEOUT); | |
6941 | ||
3e7ebdfa WB |
6942 | if (!ioa_cfg->sis64) |
6943 | ipr_cmd->job_step = ipr_set_supported_devs; | |
05a6538a | 6944 | LEAVE; |
1da177e4 LT |
6945 | return IPR_RC_JOB_RETURN; |
6946 | } | |
6947 | ||
05a6538a | 6948 | LEAVE; |
1da177e4 LT |
6949 | return IPR_RC_JOB_CONTINUE; |
6950 | } | |
6951 | ||
6952 | /** | |
6953 | * ipr_get_mode_page - Locate specified mode page | |
6954 | * @mode_pages: mode page buffer | |
6955 | * @page_code: page code to find | |
6956 | * @len: minimum required length for mode page | |
6957 | * | |
6958 | * Return value: | |
6959 | * pointer to mode page / NULL on failure | |
6960 | **/ | |
6961 | static void *ipr_get_mode_page(struct ipr_mode_pages *mode_pages, | |
6962 | u32 page_code, u32 len) | |
6963 | { | |
6964 | struct ipr_mode_page_hdr *mode_hdr; | |
6965 | u32 page_length; | |
6966 | u32 length; | |
6967 | ||
6968 | if (!mode_pages || (mode_pages->hdr.length == 0)) | |
6969 | return NULL; | |
6970 | ||
6971 | length = (mode_pages->hdr.length + 1) - 4 - mode_pages->hdr.block_desc_len; | |
6972 | mode_hdr = (struct ipr_mode_page_hdr *) | |
6973 | (mode_pages->data + mode_pages->hdr.block_desc_len); | |
6974 | ||
6975 | while (length) { | |
6976 | if (IPR_GET_MODE_PAGE_CODE(mode_hdr) == page_code) { | |
6977 | if (mode_hdr->page_length >= (len - sizeof(struct ipr_mode_page_hdr))) | |
6978 | return mode_hdr; | |
6979 | break; | |
6980 | } else { | |
6981 | page_length = (sizeof(struct ipr_mode_page_hdr) + | |
6982 | mode_hdr->page_length); | |
6983 | length -= page_length; | |
6984 | mode_hdr = (struct ipr_mode_page_hdr *) | |
6985 | ((unsigned long)mode_hdr + page_length); | |
6986 | } | |
6987 | } | |
6988 | return NULL; | |
6989 | } | |
6990 | ||
6991 | /** | |
6992 | * ipr_check_term_power - Check for term power errors | |
6993 | * @ioa_cfg: ioa config struct | |
6994 | * @mode_pages: IOAFP mode pages buffer | |
6995 | * | |
6996 | * Check the IOAFP's mode page 28 for term power errors | |
6997 | * | |
6998 | * Return value: | |
6999 | * nothing | |
7000 | **/ | |
7001 | static void ipr_check_term_power(struct ipr_ioa_cfg *ioa_cfg, | |
7002 | struct ipr_mode_pages *mode_pages) | |
7003 | { | |
7004 | int i; | |
7005 | int entry_length; | |
7006 | struct ipr_dev_bus_entry *bus; | |
7007 | struct ipr_mode_page28 *mode_page; | |
7008 | ||
7009 | mode_page = ipr_get_mode_page(mode_pages, 0x28, | |
7010 | sizeof(struct ipr_mode_page28)); | |
7011 | ||
7012 | entry_length = mode_page->entry_length; | |
7013 | ||
7014 | bus = mode_page->bus; | |
7015 | ||
7016 | for (i = 0; i < mode_page->num_entries; i++) { | |
7017 | if (bus->flags & IPR_SCSI_ATTR_NO_TERM_PWR) { | |
7018 | dev_err(&ioa_cfg->pdev->dev, | |
7019 | "Term power is absent on scsi bus %d\n", | |
7020 | bus->res_addr.bus); | |
7021 | } | |
7022 | ||
7023 | bus = (struct ipr_dev_bus_entry *)((char *)bus + entry_length); | |
7024 | } | |
7025 | } | |
7026 | ||
7027 | /** | |
7028 | * ipr_scsi_bus_speed_limit - Limit the SCSI speed based on SES table | |
7029 | * @ioa_cfg: ioa config struct | |
7030 | * | |
7031 | * Looks through the config table checking for SES devices. If | |
7032 | * the SES device is in the SES table indicating a maximum SCSI | |
7033 | * bus speed, the speed is limited for the bus. | |
7034 | * | |
7035 | * Return value: | |
7036 | * none | |
7037 | **/ | |
7038 | static void ipr_scsi_bus_speed_limit(struct ipr_ioa_cfg *ioa_cfg) | |
7039 | { | |
7040 | u32 max_xfer_rate; | |
7041 | int i; | |
7042 | ||
7043 | for (i = 0; i < IPR_MAX_NUM_BUSES; i++) { | |
7044 | max_xfer_rate = ipr_get_max_scsi_speed(ioa_cfg, i, | |
7045 | ioa_cfg->bus_attr[i].bus_width); | |
7046 | ||
7047 | if (max_xfer_rate < ioa_cfg->bus_attr[i].max_xfer_rate) | |
7048 | ioa_cfg->bus_attr[i].max_xfer_rate = max_xfer_rate; | |
7049 | } | |
7050 | } | |
7051 | ||
7052 | /** | |
7053 | * ipr_modify_ioafp_mode_page_28 - Modify IOAFP Mode Page 28 | |
7054 | * @ioa_cfg: ioa config struct | |
7055 | * @mode_pages: mode page 28 buffer | |
7056 | * | |
7057 | * Updates mode page 28 based on driver configuration | |
7058 | * | |
7059 | * Return value: | |
7060 | * none | |
7061 | **/ | |
7062 | static void ipr_modify_ioafp_mode_page_28(struct ipr_ioa_cfg *ioa_cfg, | |
203fa3fe | 7063 | struct ipr_mode_pages *mode_pages) |
1da177e4 LT |
7064 | { |
7065 | int i, entry_length; | |
7066 | struct ipr_dev_bus_entry *bus; | |
7067 | struct ipr_bus_attributes *bus_attr; | |
7068 | struct ipr_mode_page28 *mode_page; | |
7069 | ||
7070 | mode_page = ipr_get_mode_page(mode_pages, 0x28, | |
7071 | sizeof(struct ipr_mode_page28)); | |
7072 | ||
7073 | entry_length = mode_page->entry_length; | |
7074 | ||
7075 | /* Loop for each device bus entry */ | |
7076 | for (i = 0, bus = mode_page->bus; | |
7077 | i < mode_page->num_entries; | |
7078 | i++, bus = (struct ipr_dev_bus_entry *)((u8 *)bus + entry_length)) { | |
7079 | if (bus->res_addr.bus > IPR_MAX_NUM_BUSES) { | |
7080 | dev_err(&ioa_cfg->pdev->dev, | |
7081 | "Invalid resource address reported: 0x%08X\n", | |
7082 | IPR_GET_PHYS_LOC(bus->res_addr)); | |
7083 | continue; | |
7084 | } | |
7085 | ||
7086 | bus_attr = &ioa_cfg->bus_attr[i]; | |
7087 | bus->extended_reset_delay = IPR_EXTENDED_RESET_DELAY; | |
7088 | bus->bus_width = bus_attr->bus_width; | |
7089 | bus->max_xfer_rate = cpu_to_be32(bus_attr->max_xfer_rate); | |
7090 | bus->flags &= ~IPR_SCSI_ATTR_QAS_MASK; | |
7091 | if (bus_attr->qas_enabled) | |
7092 | bus->flags |= IPR_SCSI_ATTR_ENABLE_QAS; | |
7093 | else | |
7094 | bus->flags |= IPR_SCSI_ATTR_DISABLE_QAS; | |
7095 | } | |
7096 | } | |
7097 | ||
7098 | /** | |
7099 | * ipr_build_mode_select - Build a mode select command | |
7100 | * @ipr_cmd: ipr command struct | |
7101 | * @res_handle: resource handle to send command to | |
7102 | * @parm: Byte 2 of Mode Sense command | |
7103 | * @dma_addr: DMA buffer address | |
7104 | * @xfer_len: data transfer length | |
7105 | * | |
7106 | * Return value: | |
7107 | * none | |
7108 | **/ | |
7109 | static void ipr_build_mode_select(struct ipr_cmnd *ipr_cmd, | |
a32c055f WB |
7110 | __be32 res_handle, u8 parm, |
7111 | dma_addr_t dma_addr, u8 xfer_len) | |
1da177e4 | 7112 | { |
1da177e4 LT |
7113 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; |
7114 | ||
7115 | ioarcb->res_handle = res_handle; | |
7116 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_SCSICDB; | |
7117 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ; | |
7118 | ioarcb->cmd_pkt.cdb[0] = MODE_SELECT; | |
7119 | ioarcb->cmd_pkt.cdb[1] = parm; | |
7120 | ioarcb->cmd_pkt.cdb[4] = xfer_len; | |
7121 | ||
a32c055f | 7122 | ipr_init_ioadl(ipr_cmd, dma_addr, xfer_len, IPR_IOADL_FLAGS_WRITE_LAST); |
1da177e4 LT |
7123 | } |
7124 | ||
7125 | /** | |
7126 | * ipr_ioafp_mode_select_page28 - Issue Mode Select Page 28 to IOA | |
7127 | * @ipr_cmd: ipr command struct | |
7128 | * | |
7129 | * This function sets up the SCSI bus attributes and sends | |
7130 | * a Mode Select for Page 28 to activate them. | |
7131 | * | |
7132 | * Return value: | |
7133 | * IPR_RC_JOB_RETURN | |
7134 | **/ | |
7135 | static int ipr_ioafp_mode_select_page28(struct ipr_cmnd *ipr_cmd) | |
7136 | { | |
7137 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7138 | struct ipr_mode_pages *mode_pages = &ioa_cfg->vpd_cbs->mode_pages; | |
7139 | int length; | |
7140 | ||
7141 | ENTER; | |
4733804c BK |
7142 | ipr_scsi_bus_speed_limit(ioa_cfg); |
7143 | ipr_check_term_power(ioa_cfg, mode_pages); | |
7144 | ipr_modify_ioafp_mode_page_28(ioa_cfg, mode_pages); | |
7145 | length = mode_pages->hdr.length + 1; | |
7146 | mode_pages->hdr.length = 0; | |
1da177e4 LT |
7147 | |
7148 | ipr_build_mode_select(ipr_cmd, cpu_to_be32(IPR_IOA_RES_HANDLE), 0x11, | |
7149 | ioa_cfg->vpd_cbs_dma + offsetof(struct ipr_misc_cbs, mode_pages), | |
7150 | length); | |
7151 | ||
f72919ec WB |
7152 | ipr_cmd->job_step = ipr_set_supported_devs; |
7153 | ipr_cmd->u.res = list_entry(ioa_cfg->used_res_q.next, | |
7154 | struct ipr_resource_entry, queue); | |
1da177e4 LT |
7155 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, IPR_INTERNAL_TIMEOUT); |
7156 | ||
7157 | LEAVE; | |
7158 | return IPR_RC_JOB_RETURN; | |
7159 | } | |
7160 | ||
7161 | /** | |
7162 | * ipr_build_mode_sense - Builds a mode sense command | |
7163 | * @ipr_cmd: ipr command struct | |
7164 | * @res: resource entry struct | |
7165 | * @parm: Byte 2 of mode sense command | |
7166 | * @dma_addr: DMA address of mode sense buffer | |
7167 | * @xfer_len: Size of DMA buffer | |
7168 | * | |
7169 | * Return value: | |
7170 | * none | |
7171 | **/ | |
7172 | static void ipr_build_mode_sense(struct ipr_cmnd *ipr_cmd, | |
7173 | __be32 res_handle, | |
a32c055f | 7174 | u8 parm, dma_addr_t dma_addr, u8 xfer_len) |
1da177e4 | 7175 | { |
1da177e4 LT |
7176 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; |
7177 | ||
7178 | ioarcb->res_handle = res_handle; | |
7179 | ioarcb->cmd_pkt.cdb[0] = MODE_SENSE; | |
7180 | ioarcb->cmd_pkt.cdb[2] = parm; | |
7181 | ioarcb->cmd_pkt.cdb[4] = xfer_len; | |
7182 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_SCSICDB; | |
7183 | ||
a32c055f | 7184 | ipr_init_ioadl(ipr_cmd, dma_addr, xfer_len, IPR_IOADL_FLAGS_READ_LAST); |
1da177e4 LT |
7185 | } |
7186 | ||
dfed823e BK |
7187 | /** |
7188 | * ipr_reset_cmd_failed - Handle failure of IOA reset command | |
7189 | * @ipr_cmd: ipr command struct | |
7190 | * | |
7191 | * This function handles the failure of an IOA bringup command. | |
7192 | * | |
7193 | * Return value: | |
7194 | * IPR_RC_JOB_RETURN | |
7195 | **/ | |
7196 | static int ipr_reset_cmd_failed(struct ipr_cmnd *ipr_cmd) | |
7197 | { | |
7198 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
96d21f00 | 7199 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
dfed823e BK |
7200 | |
7201 | dev_err(&ioa_cfg->pdev->dev, | |
7202 | "0x%02X failed with IOASC: 0x%08X\n", | |
7203 | ipr_cmd->ioarcb.cmd_pkt.cdb[0], ioasc); | |
7204 | ||
7205 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); | |
05a6538a | 7206 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
dfed823e BK |
7207 | return IPR_RC_JOB_RETURN; |
7208 | } | |
7209 | ||
7210 | /** | |
7211 | * ipr_reset_mode_sense_failed - Handle failure of IOAFP mode sense | |
7212 | * @ipr_cmd: ipr command struct | |
7213 | * | |
7214 | * This function handles the failure of a Mode Sense to the IOAFP. | |
7215 | * Some adapters do not handle all mode pages. | |
7216 | * | |
7217 | * Return value: | |
7218 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
7219 | **/ | |
7220 | static int ipr_reset_mode_sense_failed(struct ipr_cmnd *ipr_cmd) | |
7221 | { | |
f72919ec | 7222 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; |
96d21f00 | 7223 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
dfed823e BK |
7224 | |
7225 | if (ioasc == IPR_IOASC_IR_INVALID_REQ_TYPE_OR_PKT) { | |
f72919ec WB |
7226 | ipr_cmd->job_step = ipr_set_supported_devs; |
7227 | ipr_cmd->u.res = list_entry(ioa_cfg->used_res_q.next, | |
7228 | struct ipr_resource_entry, queue); | |
dfed823e BK |
7229 | return IPR_RC_JOB_CONTINUE; |
7230 | } | |
7231 | ||
7232 | return ipr_reset_cmd_failed(ipr_cmd); | |
7233 | } | |
7234 | ||
1da177e4 LT |
7235 | /** |
7236 | * ipr_ioafp_mode_sense_page28 - Issue Mode Sense Page 28 to IOA | |
7237 | * @ipr_cmd: ipr command struct | |
7238 | * | |
7239 | * This function send a Page 28 mode sense to the IOA to | |
7240 | * retrieve SCSI bus attributes. | |
7241 | * | |
7242 | * Return value: | |
7243 | * IPR_RC_JOB_RETURN | |
7244 | **/ | |
7245 | static int ipr_ioafp_mode_sense_page28(struct ipr_cmnd *ipr_cmd) | |
7246 | { | |
7247 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7248 | ||
7249 | ENTER; | |
7250 | ipr_build_mode_sense(ipr_cmd, cpu_to_be32(IPR_IOA_RES_HANDLE), | |
7251 | 0x28, ioa_cfg->vpd_cbs_dma + | |
7252 | offsetof(struct ipr_misc_cbs, mode_pages), | |
7253 | sizeof(struct ipr_mode_pages)); | |
7254 | ||
7255 | ipr_cmd->job_step = ipr_ioafp_mode_select_page28; | |
dfed823e | 7256 | ipr_cmd->job_step_failed = ipr_reset_mode_sense_failed; |
1da177e4 LT |
7257 | |
7258 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, IPR_INTERNAL_TIMEOUT); | |
7259 | ||
7260 | LEAVE; | |
7261 | return IPR_RC_JOB_RETURN; | |
7262 | } | |
7263 | ||
ac09c349 BK |
7264 | /** |
7265 | * ipr_ioafp_mode_select_page24 - Issue Mode Select to IOA | |
7266 | * @ipr_cmd: ipr command struct | |
7267 | * | |
7268 | * This function enables dual IOA RAID support if possible. | |
7269 | * | |
7270 | * Return value: | |
7271 | * IPR_RC_JOB_RETURN | |
7272 | **/ | |
7273 | static int ipr_ioafp_mode_select_page24(struct ipr_cmnd *ipr_cmd) | |
7274 | { | |
7275 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7276 | struct ipr_mode_pages *mode_pages = &ioa_cfg->vpd_cbs->mode_pages; | |
7277 | struct ipr_mode_page24 *mode_page; | |
7278 | int length; | |
7279 | ||
7280 | ENTER; | |
7281 | mode_page = ipr_get_mode_page(mode_pages, 0x24, | |
7282 | sizeof(struct ipr_mode_page24)); | |
7283 | ||
7284 | if (mode_page) | |
7285 | mode_page->flags |= IPR_ENABLE_DUAL_IOA_AF; | |
7286 | ||
7287 | length = mode_pages->hdr.length + 1; | |
7288 | mode_pages->hdr.length = 0; | |
7289 | ||
7290 | ipr_build_mode_select(ipr_cmd, cpu_to_be32(IPR_IOA_RES_HANDLE), 0x11, | |
7291 | ioa_cfg->vpd_cbs_dma + offsetof(struct ipr_misc_cbs, mode_pages), | |
7292 | length); | |
7293 | ||
7294 | ipr_cmd->job_step = ipr_ioafp_mode_sense_page28; | |
7295 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, IPR_INTERNAL_TIMEOUT); | |
7296 | ||
7297 | LEAVE; | |
7298 | return IPR_RC_JOB_RETURN; | |
7299 | } | |
7300 | ||
7301 | /** | |
7302 | * ipr_reset_mode_sense_page24_failed - Handle failure of IOAFP mode sense | |
7303 | * @ipr_cmd: ipr command struct | |
7304 | * | |
7305 | * This function handles the failure of a Mode Sense to the IOAFP. | |
7306 | * Some adapters do not handle all mode pages. | |
7307 | * | |
7308 | * Return value: | |
7309 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
7310 | **/ | |
7311 | static int ipr_reset_mode_sense_page24_failed(struct ipr_cmnd *ipr_cmd) | |
7312 | { | |
96d21f00 | 7313 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
ac09c349 BK |
7314 | |
7315 | if (ioasc == IPR_IOASC_IR_INVALID_REQ_TYPE_OR_PKT) { | |
7316 | ipr_cmd->job_step = ipr_ioafp_mode_sense_page28; | |
7317 | return IPR_RC_JOB_CONTINUE; | |
7318 | } | |
7319 | ||
7320 | return ipr_reset_cmd_failed(ipr_cmd); | |
7321 | } | |
7322 | ||
7323 | /** | |
7324 | * ipr_ioafp_mode_sense_page24 - Issue Page 24 Mode Sense to IOA | |
7325 | * @ipr_cmd: ipr command struct | |
7326 | * | |
7327 | * This function send a mode sense to the IOA to retrieve | |
7328 | * the IOA Advanced Function Control mode page. | |
7329 | * | |
7330 | * Return value: | |
7331 | * IPR_RC_JOB_RETURN | |
7332 | **/ | |
7333 | static int ipr_ioafp_mode_sense_page24(struct ipr_cmnd *ipr_cmd) | |
7334 | { | |
7335 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7336 | ||
7337 | ENTER; | |
7338 | ipr_build_mode_sense(ipr_cmd, cpu_to_be32(IPR_IOA_RES_HANDLE), | |
7339 | 0x24, ioa_cfg->vpd_cbs_dma + | |
7340 | offsetof(struct ipr_misc_cbs, mode_pages), | |
7341 | sizeof(struct ipr_mode_pages)); | |
7342 | ||
7343 | ipr_cmd->job_step = ipr_ioafp_mode_select_page24; | |
7344 | ipr_cmd->job_step_failed = ipr_reset_mode_sense_page24_failed; | |
7345 | ||
7346 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, IPR_INTERNAL_TIMEOUT); | |
7347 | ||
7348 | LEAVE; | |
7349 | return IPR_RC_JOB_RETURN; | |
7350 | } | |
7351 | ||
1da177e4 LT |
7352 | /** |
7353 | * ipr_init_res_table - Initialize the resource table | |
7354 | * @ipr_cmd: ipr command struct | |
7355 | * | |
7356 | * This function looks through the existing resource table, comparing | |
7357 | * it with the config table. This function will take care of old/new | |
7358 | * devices and schedule adding/removing them from the mid-layer | |
7359 | * as appropriate. | |
7360 | * | |
7361 | * Return value: | |
7362 | * IPR_RC_JOB_CONTINUE | |
7363 | **/ | |
7364 | static int ipr_init_res_table(struct ipr_cmnd *ipr_cmd) | |
7365 | { | |
7366 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7367 | struct ipr_resource_entry *res, *temp; | |
3e7ebdfa WB |
7368 | struct ipr_config_table_entry_wrapper cfgtew; |
7369 | int entries, found, flag, i; | |
1da177e4 LT |
7370 | LIST_HEAD(old_res); |
7371 | ||
7372 | ENTER; | |
3e7ebdfa WB |
7373 | if (ioa_cfg->sis64) |
7374 | flag = ioa_cfg->u.cfg_table64->hdr64.flags; | |
7375 | else | |
7376 | flag = ioa_cfg->u.cfg_table->hdr.flags; | |
7377 | ||
7378 | if (flag & IPR_UCODE_DOWNLOAD_REQ) | |
1da177e4 LT |
7379 | dev_err(&ioa_cfg->pdev->dev, "Microcode download required\n"); |
7380 | ||
7381 | list_for_each_entry_safe(res, temp, &ioa_cfg->used_res_q, queue) | |
7382 | list_move_tail(&res->queue, &old_res); | |
7383 | ||
3e7ebdfa | 7384 | if (ioa_cfg->sis64) |
438b0331 | 7385 | entries = be16_to_cpu(ioa_cfg->u.cfg_table64->hdr64.num_entries); |
3e7ebdfa WB |
7386 | else |
7387 | entries = ioa_cfg->u.cfg_table->hdr.num_entries; | |
7388 | ||
7389 | for (i = 0; i < entries; i++) { | |
7390 | if (ioa_cfg->sis64) | |
7391 | cfgtew.u.cfgte64 = &ioa_cfg->u.cfg_table64->dev[i]; | |
7392 | else | |
7393 | cfgtew.u.cfgte = &ioa_cfg->u.cfg_table->dev[i]; | |
1da177e4 LT |
7394 | found = 0; |
7395 | ||
7396 | list_for_each_entry_safe(res, temp, &old_res, queue) { | |
3e7ebdfa | 7397 | if (ipr_is_same_device(res, &cfgtew)) { |
1da177e4 LT |
7398 | list_move_tail(&res->queue, &ioa_cfg->used_res_q); |
7399 | found = 1; | |
7400 | break; | |
7401 | } | |
7402 | } | |
7403 | ||
7404 | if (!found) { | |
7405 | if (list_empty(&ioa_cfg->free_res_q)) { | |
7406 | dev_err(&ioa_cfg->pdev->dev, "Too many devices attached\n"); | |
7407 | break; | |
7408 | } | |
7409 | ||
7410 | found = 1; | |
7411 | res = list_entry(ioa_cfg->free_res_q.next, | |
7412 | struct ipr_resource_entry, queue); | |
7413 | list_move_tail(&res->queue, &ioa_cfg->used_res_q); | |
3e7ebdfa | 7414 | ipr_init_res_entry(res, &cfgtew); |
1da177e4 | 7415 | res->add_to_ml = 1; |
56115598 WB |
7416 | } else if (res->sdev && (ipr_is_vset_device(res) || ipr_is_scsi_disk(res))) |
7417 | res->sdev->allow_restart = 1; | |
1da177e4 LT |
7418 | |
7419 | if (found) | |
3e7ebdfa | 7420 | ipr_update_res_entry(res, &cfgtew); |
1da177e4 LT |
7421 | } |
7422 | ||
7423 | list_for_each_entry_safe(res, temp, &old_res, queue) { | |
7424 | if (res->sdev) { | |
7425 | res->del_from_ml = 1; | |
3e7ebdfa | 7426 | res->res_handle = IPR_INVALID_RES_HANDLE; |
1da177e4 | 7427 | list_move_tail(&res->queue, &ioa_cfg->used_res_q); |
1da177e4 LT |
7428 | } |
7429 | } | |
7430 | ||
3e7ebdfa WB |
7431 | list_for_each_entry_safe(res, temp, &old_res, queue) { |
7432 | ipr_clear_res_target(res); | |
7433 | list_move_tail(&res->queue, &ioa_cfg->free_res_q); | |
7434 | } | |
7435 | ||
ac09c349 BK |
7436 | if (ioa_cfg->dual_raid && ipr_dual_ioa_raid) |
7437 | ipr_cmd->job_step = ipr_ioafp_mode_sense_page24; | |
7438 | else | |
7439 | ipr_cmd->job_step = ipr_ioafp_mode_sense_page28; | |
1da177e4 LT |
7440 | |
7441 | LEAVE; | |
7442 | return IPR_RC_JOB_CONTINUE; | |
7443 | } | |
7444 | ||
7445 | /** | |
7446 | * ipr_ioafp_query_ioa_cfg - Send a Query IOA Config to the adapter. | |
7447 | * @ipr_cmd: ipr command struct | |
7448 | * | |
7449 | * This function sends a Query IOA Configuration command | |
7450 | * to the adapter to retrieve the IOA configuration table. | |
7451 | * | |
7452 | * Return value: | |
7453 | * IPR_RC_JOB_RETURN | |
7454 | **/ | |
7455 | static int ipr_ioafp_query_ioa_cfg(struct ipr_cmnd *ipr_cmd) | |
7456 | { | |
7457 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7458 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
1da177e4 | 7459 | struct ipr_inquiry_page3 *ucode_vpd = &ioa_cfg->vpd_cbs->page3_data; |
ac09c349 | 7460 | struct ipr_inquiry_cap *cap = &ioa_cfg->vpd_cbs->cap; |
1da177e4 LT |
7461 | |
7462 | ENTER; | |
ac09c349 BK |
7463 | if (cap->cap & IPR_CAP_DUAL_IOA_RAID) |
7464 | ioa_cfg->dual_raid = 1; | |
1da177e4 LT |
7465 | dev_info(&ioa_cfg->pdev->dev, "Adapter firmware version: %02X%02X%02X%02X\n", |
7466 | ucode_vpd->major_release, ucode_vpd->card_type, | |
7467 | ucode_vpd->minor_release[0], ucode_vpd->minor_release[1]); | |
7468 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_IOACMD; | |
7469 | ioarcb->res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE); | |
7470 | ||
7471 | ioarcb->cmd_pkt.cdb[0] = IPR_QUERY_IOA_CONFIG; | |
438b0331 | 7472 | ioarcb->cmd_pkt.cdb[6] = (ioa_cfg->cfg_table_size >> 16) & 0xff; |
3e7ebdfa WB |
7473 | ioarcb->cmd_pkt.cdb[7] = (ioa_cfg->cfg_table_size >> 8) & 0xff; |
7474 | ioarcb->cmd_pkt.cdb[8] = ioa_cfg->cfg_table_size & 0xff; | |
1da177e4 | 7475 | |
3e7ebdfa | 7476 | ipr_init_ioadl(ipr_cmd, ioa_cfg->cfg_table_dma, ioa_cfg->cfg_table_size, |
a32c055f | 7477 | IPR_IOADL_FLAGS_READ_LAST); |
1da177e4 LT |
7478 | |
7479 | ipr_cmd->job_step = ipr_init_res_table; | |
7480 | ||
7481 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, IPR_INTERNAL_TIMEOUT); | |
7482 | ||
7483 | LEAVE; | |
7484 | return IPR_RC_JOB_RETURN; | |
7485 | } | |
7486 | ||
7487 | /** | |
7488 | * ipr_ioafp_inquiry - Send an Inquiry to the adapter. | |
7489 | * @ipr_cmd: ipr command struct | |
7490 | * | |
7491 | * This utility function sends an inquiry to the adapter. | |
7492 | * | |
7493 | * Return value: | |
7494 | * none | |
7495 | **/ | |
7496 | static void ipr_ioafp_inquiry(struct ipr_cmnd *ipr_cmd, u8 flags, u8 page, | |
a32c055f | 7497 | dma_addr_t dma_addr, u8 xfer_len) |
1da177e4 LT |
7498 | { |
7499 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
1da177e4 LT |
7500 | |
7501 | ENTER; | |
7502 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_SCSICDB; | |
7503 | ioarcb->res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE); | |
7504 | ||
7505 | ioarcb->cmd_pkt.cdb[0] = INQUIRY; | |
7506 | ioarcb->cmd_pkt.cdb[1] = flags; | |
7507 | ioarcb->cmd_pkt.cdb[2] = page; | |
7508 | ioarcb->cmd_pkt.cdb[4] = xfer_len; | |
7509 | ||
a32c055f | 7510 | ipr_init_ioadl(ipr_cmd, dma_addr, xfer_len, IPR_IOADL_FLAGS_READ_LAST); |
1da177e4 LT |
7511 | |
7512 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, IPR_INTERNAL_TIMEOUT); | |
7513 | LEAVE; | |
7514 | } | |
7515 | ||
62275040 BK |
7516 | /** |
7517 | * ipr_inquiry_page_supported - Is the given inquiry page supported | |
7518 | * @page0: inquiry page 0 buffer | |
7519 | * @page: page code. | |
7520 | * | |
7521 | * This function determines if the specified inquiry page is supported. | |
7522 | * | |
7523 | * Return value: | |
7524 | * 1 if page is supported / 0 if not | |
7525 | **/ | |
7526 | static int ipr_inquiry_page_supported(struct ipr_inquiry_page0 *page0, u8 page) | |
7527 | { | |
7528 | int i; | |
7529 | ||
7530 | for (i = 0; i < min_t(u8, page0->len, IPR_INQUIRY_PAGE0_ENTRIES); i++) | |
7531 | if (page0->page[i] == page) | |
7532 | return 1; | |
7533 | ||
7534 | return 0; | |
7535 | } | |
7536 | ||
ac09c349 BK |
7537 | /** |
7538 | * ipr_ioafp_cap_inquiry - Send a Page 0xD0 Inquiry to the adapter. | |
7539 | * @ipr_cmd: ipr command struct | |
7540 | * | |
7541 | * This function sends a Page 0xD0 inquiry to the adapter | |
7542 | * to retrieve adapter capabilities. | |
7543 | * | |
7544 | * Return value: | |
7545 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
7546 | **/ | |
7547 | static int ipr_ioafp_cap_inquiry(struct ipr_cmnd *ipr_cmd) | |
7548 | { | |
7549 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7550 | struct ipr_inquiry_page0 *page0 = &ioa_cfg->vpd_cbs->page0_data; | |
7551 | struct ipr_inquiry_cap *cap = &ioa_cfg->vpd_cbs->cap; | |
7552 | ||
7553 | ENTER; | |
7554 | ipr_cmd->job_step = ipr_ioafp_query_ioa_cfg; | |
7555 | memset(cap, 0, sizeof(*cap)); | |
7556 | ||
7557 | if (ipr_inquiry_page_supported(page0, 0xD0)) { | |
7558 | ipr_ioafp_inquiry(ipr_cmd, 1, 0xD0, | |
7559 | ioa_cfg->vpd_cbs_dma + offsetof(struct ipr_misc_cbs, cap), | |
7560 | sizeof(struct ipr_inquiry_cap)); | |
7561 | return IPR_RC_JOB_RETURN; | |
7562 | } | |
7563 | ||
7564 | LEAVE; | |
7565 | return IPR_RC_JOB_CONTINUE; | |
7566 | } | |
7567 | ||
1da177e4 LT |
7568 | /** |
7569 | * ipr_ioafp_page3_inquiry - Send a Page 3 Inquiry to the adapter. | |
7570 | * @ipr_cmd: ipr command struct | |
7571 | * | |
7572 | * This function sends a Page 3 inquiry to the adapter | |
7573 | * to retrieve software VPD information. | |
7574 | * | |
7575 | * Return value: | |
7576 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
7577 | **/ | |
7578 | static int ipr_ioafp_page3_inquiry(struct ipr_cmnd *ipr_cmd) | |
62275040 BK |
7579 | { |
7580 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
62275040 BK |
7581 | |
7582 | ENTER; | |
7583 | ||
ac09c349 | 7584 | ipr_cmd->job_step = ipr_ioafp_cap_inquiry; |
62275040 BK |
7585 | |
7586 | ipr_ioafp_inquiry(ipr_cmd, 1, 3, | |
7587 | ioa_cfg->vpd_cbs_dma + offsetof(struct ipr_misc_cbs, page3_data), | |
7588 | sizeof(struct ipr_inquiry_page3)); | |
7589 | ||
7590 | LEAVE; | |
7591 | return IPR_RC_JOB_RETURN; | |
7592 | } | |
7593 | ||
7594 | /** | |
7595 | * ipr_ioafp_page0_inquiry - Send a Page 0 Inquiry to the adapter. | |
7596 | * @ipr_cmd: ipr command struct | |
7597 | * | |
7598 | * This function sends a Page 0 inquiry to the adapter | |
7599 | * to retrieve supported inquiry pages. | |
7600 | * | |
7601 | * Return value: | |
7602 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
7603 | **/ | |
7604 | static int ipr_ioafp_page0_inquiry(struct ipr_cmnd *ipr_cmd) | |
1da177e4 LT |
7605 | { |
7606 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7607 | char type[5]; | |
7608 | ||
7609 | ENTER; | |
7610 | ||
7611 | /* Grab the type out of the VPD and store it away */ | |
7612 | memcpy(type, ioa_cfg->vpd_cbs->ioa_vpd.std_inq_data.vpids.product_id, 4); | |
7613 | type[4] = '\0'; | |
7614 | ioa_cfg->type = simple_strtoul((char *)type, NULL, 16); | |
7615 | ||
62275040 | 7616 | ipr_cmd->job_step = ipr_ioafp_page3_inquiry; |
1da177e4 | 7617 | |
62275040 BK |
7618 | ipr_ioafp_inquiry(ipr_cmd, 1, 0, |
7619 | ioa_cfg->vpd_cbs_dma + offsetof(struct ipr_misc_cbs, page0_data), | |
7620 | sizeof(struct ipr_inquiry_page0)); | |
1da177e4 LT |
7621 | |
7622 | LEAVE; | |
7623 | return IPR_RC_JOB_RETURN; | |
7624 | } | |
7625 | ||
7626 | /** | |
7627 | * ipr_ioafp_std_inquiry - Send a Standard Inquiry to the adapter. | |
7628 | * @ipr_cmd: ipr command struct | |
7629 | * | |
7630 | * This function sends a standard inquiry to the adapter. | |
7631 | * | |
7632 | * Return value: | |
7633 | * IPR_RC_JOB_RETURN | |
7634 | **/ | |
7635 | static int ipr_ioafp_std_inquiry(struct ipr_cmnd *ipr_cmd) | |
7636 | { | |
7637 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7638 | ||
7639 | ENTER; | |
62275040 | 7640 | ipr_cmd->job_step = ipr_ioafp_page0_inquiry; |
1da177e4 LT |
7641 | |
7642 | ipr_ioafp_inquiry(ipr_cmd, 0, 0, | |
7643 | ioa_cfg->vpd_cbs_dma + offsetof(struct ipr_misc_cbs, ioa_vpd), | |
7644 | sizeof(struct ipr_ioa_vpd)); | |
7645 | ||
7646 | LEAVE; | |
7647 | return IPR_RC_JOB_RETURN; | |
7648 | } | |
7649 | ||
7650 | /** | |
214777ba | 7651 | * ipr_ioafp_identify_hrrq - Send Identify Host RRQ. |
1da177e4 LT |
7652 | * @ipr_cmd: ipr command struct |
7653 | * | |
7654 | * This function send an Identify Host Request Response Queue | |
7655 | * command to establish the HRRQ with the adapter. | |
7656 | * | |
7657 | * Return value: | |
7658 | * IPR_RC_JOB_RETURN | |
7659 | **/ | |
214777ba | 7660 | static int ipr_ioafp_identify_hrrq(struct ipr_cmnd *ipr_cmd) |
1da177e4 LT |
7661 | { |
7662 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7663 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
05a6538a | 7664 | struct ipr_hrr_queue *hrrq; |
1da177e4 LT |
7665 | |
7666 | ENTER; | |
05a6538a | 7667 | ipr_cmd->job_step = ipr_ioafp_std_inquiry; |
1da177e4 LT |
7668 | dev_info(&ioa_cfg->pdev->dev, "Starting IOA initialization sequence.\n"); |
7669 | ||
56d6aa33 | 7670 | if (ioa_cfg->identify_hrrq_index < ioa_cfg->hrrq_num) { |
7671 | hrrq = &ioa_cfg->hrrq[ioa_cfg->identify_hrrq_index]; | |
1da177e4 | 7672 | |
05a6538a | 7673 | ioarcb->cmd_pkt.cdb[0] = IPR_ID_HOST_RR_Q; |
7674 | ioarcb->res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE); | |
1da177e4 | 7675 | |
05a6538a | 7676 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_IOACMD; |
7677 | if (ioa_cfg->sis64) | |
7678 | ioarcb->cmd_pkt.cdb[1] = 0x1; | |
214777ba | 7679 | |
05a6538a | 7680 | if (ioa_cfg->nvectors == 1) |
7681 | ioarcb->cmd_pkt.cdb[1] &= ~IPR_ID_HRRQ_SELE_ENABLE; | |
7682 | else | |
7683 | ioarcb->cmd_pkt.cdb[1] |= IPR_ID_HRRQ_SELE_ENABLE; | |
7684 | ||
7685 | ioarcb->cmd_pkt.cdb[2] = | |
7686 | ((u64) hrrq->host_rrq_dma >> 24) & 0xff; | |
7687 | ioarcb->cmd_pkt.cdb[3] = | |
7688 | ((u64) hrrq->host_rrq_dma >> 16) & 0xff; | |
7689 | ioarcb->cmd_pkt.cdb[4] = | |
7690 | ((u64) hrrq->host_rrq_dma >> 8) & 0xff; | |
7691 | ioarcb->cmd_pkt.cdb[5] = | |
7692 | ((u64) hrrq->host_rrq_dma) & 0xff; | |
7693 | ioarcb->cmd_pkt.cdb[7] = | |
7694 | ((sizeof(u32) * hrrq->size) >> 8) & 0xff; | |
7695 | ioarcb->cmd_pkt.cdb[8] = | |
7696 | (sizeof(u32) * hrrq->size) & 0xff; | |
7697 | ||
7698 | if (ioarcb->cmd_pkt.cdb[1] & IPR_ID_HRRQ_SELE_ENABLE) | |
56d6aa33 | 7699 | ioarcb->cmd_pkt.cdb[9] = |
7700 | ioa_cfg->identify_hrrq_index; | |
1da177e4 | 7701 | |
05a6538a | 7702 | if (ioa_cfg->sis64) { |
7703 | ioarcb->cmd_pkt.cdb[10] = | |
7704 | ((u64) hrrq->host_rrq_dma >> 56) & 0xff; | |
7705 | ioarcb->cmd_pkt.cdb[11] = | |
7706 | ((u64) hrrq->host_rrq_dma >> 48) & 0xff; | |
7707 | ioarcb->cmd_pkt.cdb[12] = | |
7708 | ((u64) hrrq->host_rrq_dma >> 40) & 0xff; | |
7709 | ioarcb->cmd_pkt.cdb[13] = | |
7710 | ((u64) hrrq->host_rrq_dma >> 32) & 0xff; | |
7711 | } | |
7712 | ||
7713 | if (ioarcb->cmd_pkt.cdb[1] & IPR_ID_HRRQ_SELE_ENABLE) | |
56d6aa33 | 7714 | ioarcb->cmd_pkt.cdb[14] = |
7715 | ioa_cfg->identify_hrrq_index; | |
05a6538a | 7716 | |
7717 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, | |
7718 | IPR_INTERNAL_TIMEOUT); | |
7719 | ||
56d6aa33 | 7720 | if (++ioa_cfg->identify_hrrq_index < ioa_cfg->hrrq_num) |
7721 | ipr_cmd->job_step = ipr_ioafp_identify_hrrq; | |
05a6538a | 7722 | |
7723 | LEAVE; | |
7724 | return IPR_RC_JOB_RETURN; | |
05a6538a | 7725 | } |
7726 | ||
1da177e4 | 7727 | LEAVE; |
05a6538a | 7728 | return IPR_RC_JOB_CONTINUE; |
1da177e4 LT |
7729 | } |
7730 | ||
7731 | /** | |
7732 | * ipr_reset_timer_done - Adapter reset timer function | |
7733 | * @ipr_cmd: ipr command struct | |
7734 | * | |
7735 | * Description: This function is used in adapter reset processing | |
7736 | * for timing events. If the reset_cmd pointer in the IOA | |
7737 | * config struct is not this adapter's we are doing nested | |
7738 | * resets and fail_all_ops will take care of freeing the | |
7739 | * command block. | |
7740 | * | |
7741 | * Return value: | |
7742 | * none | |
7743 | **/ | |
7744 | static void ipr_reset_timer_done(struct ipr_cmnd *ipr_cmd) | |
7745 | { | |
7746 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7747 | unsigned long lock_flags = 0; | |
7748 | ||
7749 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
7750 | ||
7751 | if (ioa_cfg->reset_cmd == ipr_cmd) { | |
7752 | list_del(&ipr_cmd->queue); | |
7753 | ipr_cmd->done(ipr_cmd); | |
7754 | } | |
7755 | ||
7756 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
7757 | } | |
7758 | ||
7759 | /** | |
7760 | * ipr_reset_start_timer - Start a timer for adapter reset job | |
7761 | * @ipr_cmd: ipr command struct | |
7762 | * @timeout: timeout value | |
7763 | * | |
7764 | * Description: This function is used in adapter reset processing | |
7765 | * for timing events. If the reset_cmd pointer in the IOA | |
7766 | * config struct is not this adapter's we are doing nested | |
7767 | * resets and fail_all_ops will take care of freeing the | |
7768 | * command block. | |
7769 | * | |
7770 | * Return value: | |
7771 | * none | |
7772 | **/ | |
7773 | static void ipr_reset_start_timer(struct ipr_cmnd *ipr_cmd, | |
7774 | unsigned long timeout) | |
7775 | { | |
05a6538a | 7776 | |
7777 | ENTER; | |
7778 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_pending_q); | |
1da177e4 LT |
7779 | ipr_cmd->done = ipr_reset_ioa_job; |
7780 | ||
7781 | ipr_cmd->timer.data = (unsigned long) ipr_cmd; | |
7782 | ipr_cmd->timer.expires = jiffies + timeout; | |
7783 | ipr_cmd->timer.function = (void (*)(unsigned long))ipr_reset_timer_done; | |
7784 | add_timer(&ipr_cmd->timer); | |
7785 | } | |
7786 | ||
7787 | /** | |
7788 | * ipr_init_ioa_mem - Initialize ioa_cfg control block | |
7789 | * @ioa_cfg: ioa cfg struct | |
7790 | * | |
7791 | * Return value: | |
7792 | * nothing | |
7793 | **/ | |
7794 | static void ipr_init_ioa_mem(struct ipr_ioa_cfg *ioa_cfg) | |
7795 | { | |
05a6538a | 7796 | struct ipr_hrr_queue *hrrq; |
1da177e4 | 7797 | |
05a6538a | 7798 | for_each_hrrq(hrrq, ioa_cfg) { |
56d6aa33 | 7799 | spin_lock(&hrrq->_lock); |
05a6538a | 7800 | memset(hrrq->host_rrq, 0, sizeof(u32) * hrrq->size); |
7801 | ||
7802 | /* Initialize Host RRQ pointers */ | |
7803 | hrrq->hrrq_start = hrrq->host_rrq; | |
7804 | hrrq->hrrq_end = &hrrq->host_rrq[hrrq->size - 1]; | |
7805 | hrrq->hrrq_curr = hrrq->hrrq_start; | |
7806 | hrrq->toggle_bit = 1; | |
56d6aa33 | 7807 | spin_unlock(&hrrq->_lock); |
05a6538a | 7808 | } |
56d6aa33 | 7809 | wmb(); |
05a6538a | 7810 | |
56d6aa33 | 7811 | ioa_cfg->identify_hrrq_index = 0; |
7812 | if (ioa_cfg->hrrq_num == 1) | |
7813 | atomic_set(&ioa_cfg->hrrq_index, 0); | |
7814 | else | |
7815 | atomic_set(&ioa_cfg->hrrq_index, 1); | |
1da177e4 LT |
7816 | |
7817 | /* Zero out config table */ | |
3e7ebdfa | 7818 | memset(ioa_cfg->u.cfg_table, 0, ioa_cfg->cfg_table_size); |
1da177e4 LT |
7819 | } |
7820 | ||
214777ba WB |
7821 | /** |
7822 | * ipr_reset_next_stage - Process IPL stage change based on feedback register. | |
7823 | * @ipr_cmd: ipr command struct | |
7824 | * | |
7825 | * Return value: | |
7826 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
7827 | **/ | |
7828 | static int ipr_reset_next_stage(struct ipr_cmnd *ipr_cmd) | |
7829 | { | |
7830 | unsigned long stage, stage_time; | |
7831 | u32 feedback; | |
7832 | volatile u32 int_reg; | |
7833 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7834 | u64 maskval = 0; | |
7835 | ||
7836 | feedback = readl(ioa_cfg->regs.init_feedback_reg); | |
7837 | stage = feedback & IPR_IPL_INIT_STAGE_MASK; | |
7838 | stage_time = feedback & IPR_IPL_INIT_STAGE_TIME_MASK; | |
7839 | ||
7840 | ipr_dbg("IPL stage = 0x%lx, IPL stage time = %ld\n", stage, stage_time); | |
7841 | ||
7842 | /* sanity check the stage_time value */ | |
438b0331 WB |
7843 | if (stage_time == 0) |
7844 | stage_time = IPR_IPL_INIT_DEFAULT_STAGE_TIME; | |
7845 | else if (stage_time < IPR_IPL_INIT_MIN_STAGE_TIME) | |
214777ba WB |
7846 | stage_time = IPR_IPL_INIT_MIN_STAGE_TIME; |
7847 | else if (stage_time > IPR_LONG_OPERATIONAL_TIMEOUT) | |
7848 | stage_time = IPR_LONG_OPERATIONAL_TIMEOUT; | |
7849 | ||
7850 | if (stage == IPR_IPL_INIT_STAGE_UNKNOWN) { | |
7851 | writel(IPR_PCII_IPL_STAGE_CHANGE, ioa_cfg->regs.set_interrupt_mask_reg); | |
7852 | int_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg); | |
7853 | stage_time = ioa_cfg->transop_timeout; | |
7854 | ipr_cmd->job_step = ipr_ioafp_identify_hrrq; | |
7855 | } else if (stage == IPR_IPL_INIT_STAGE_TRANSOP) { | |
1df79ca4 WB |
7856 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg32); |
7857 | if (int_reg & IPR_PCII_IOA_TRANS_TO_OPER) { | |
7858 | ipr_cmd->job_step = ipr_ioafp_identify_hrrq; | |
7859 | maskval = IPR_PCII_IPL_STAGE_CHANGE; | |
7860 | maskval = (maskval << 32) | IPR_PCII_IOA_TRANS_TO_OPER; | |
7861 | writeq(maskval, ioa_cfg->regs.set_interrupt_mask_reg); | |
7862 | int_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg); | |
7863 | return IPR_RC_JOB_CONTINUE; | |
7864 | } | |
214777ba WB |
7865 | } |
7866 | ||
7867 | ipr_cmd->timer.data = (unsigned long) ipr_cmd; | |
7868 | ipr_cmd->timer.expires = jiffies + stage_time * HZ; | |
7869 | ipr_cmd->timer.function = (void (*)(unsigned long))ipr_oper_timeout; | |
7870 | ipr_cmd->done = ipr_reset_ioa_job; | |
7871 | add_timer(&ipr_cmd->timer); | |
05a6538a | 7872 | |
7873 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_pending_q); | |
214777ba WB |
7874 | |
7875 | return IPR_RC_JOB_RETURN; | |
7876 | } | |
7877 | ||
1da177e4 LT |
7878 | /** |
7879 | * ipr_reset_enable_ioa - Enable the IOA following a reset. | |
7880 | * @ipr_cmd: ipr command struct | |
7881 | * | |
7882 | * This function reinitializes some control blocks and | |
7883 | * enables destructive diagnostics on the adapter. | |
7884 | * | |
7885 | * Return value: | |
7886 | * IPR_RC_JOB_RETURN | |
7887 | **/ | |
7888 | static int ipr_reset_enable_ioa(struct ipr_cmnd *ipr_cmd) | |
7889 | { | |
7890 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7891 | volatile u32 int_reg; | |
7be96900 | 7892 | volatile u64 maskval; |
56d6aa33 | 7893 | int i; |
1da177e4 LT |
7894 | |
7895 | ENTER; | |
214777ba | 7896 | ipr_cmd->job_step = ipr_ioafp_identify_hrrq; |
1da177e4 LT |
7897 | ipr_init_ioa_mem(ioa_cfg); |
7898 | ||
56d6aa33 | 7899 | for (i = 0; i < ioa_cfg->hrrq_num; i++) { |
7900 | spin_lock(&ioa_cfg->hrrq[i]._lock); | |
7901 | ioa_cfg->hrrq[i].allow_interrupts = 1; | |
7902 | spin_unlock(&ioa_cfg->hrrq[i]._lock); | |
7903 | } | |
7904 | wmb(); | |
8701f185 WB |
7905 | if (ioa_cfg->sis64) { |
7906 | /* Set the adapter to the correct endian mode. */ | |
7907 | writel(IPR_ENDIAN_SWAP_KEY, ioa_cfg->regs.endian_swap_reg); | |
7908 | int_reg = readl(ioa_cfg->regs.endian_swap_reg); | |
7909 | } | |
7910 | ||
7be96900 | 7911 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg32); |
1da177e4 LT |
7912 | |
7913 | if (int_reg & IPR_PCII_IOA_TRANS_TO_OPER) { | |
7914 | writel((IPR_PCII_ERROR_INTERRUPTS | IPR_PCII_HRRQ_UPDATED), | |
214777ba | 7915 | ioa_cfg->regs.clr_interrupt_mask_reg32); |
1da177e4 LT |
7916 | int_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg); |
7917 | return IPR_RC_JOB_CONTINUE; | |
7918 | } | |
7919 | ||
7920 | /* Enable destructive diagnostics on IOA */ | |
214777ba WB |
7921 | writel(ioa_cfg->doorbell, ioa_cfg->regs.set_uproc_interrupt_reg32); |
7922 | ||
7be96900 WB |
7923 | if (ioa_cfg->sis64) { |
7924 | maskval = IPR_PCII_IPL_STAGE_CHANGE; | |
7925 | maskval = (maskval << 32) | IPR_PCII_OPER_INTERRUPTS; | |
7926 | writeq(maskval, ioa_cfg->regs.clr_interrupt_mask_reg); | |
7927 | } else | |
7928 | writel(IPR_PCII_OPER_INTERRUPTS, ioa_cfg->regs.clr_interrupt_mask_reg32); | |
1da177e4 | 7929 | |
1da177e4 LT |
7930 | int_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg); |
7931 | ||
7932 | dev_info(&ioa_cfg->pdev->dev, "Initializing IOA.\n"); | |
7933 | ||
214777ba WB |
7934 | if (ioa_cfg->sis64) { |
7935 | ipr_cmd->job_step = ipr_reset_next_stage; | |
7936 | return IPR_RC_JOB_CONTINUE; | |
7937 | } | |
7938 | ||
1da177e4 | 7939 | ipr_cmd->timer.data = (unsigned long) ipr_cmd; |
5469cb5b | 7940 | ipr_cmd->timer.expires = jiffies + (ioa_cfg->transop_timeout * HZ); |
1da177e4 LT |
7941 | ipr_cmd->timer.function = (void (*)(unsigned long))ipr_oper_timeout; |
7942 | ipr_cmd->done = ipr_reset_ioa_job; | |
7943 | add_timer(&ipr_cmd->timer); | |
05a6538a | 7944 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_pending_q); |
1da177e4 LT |
7945 | |
7946 | LEAVE; | |
7947 | return IPR_RC_JOB_RETURN; | |
7948 | } | |
7949 | ||
7950 | /** | |
7951 | * ipr_reset_wait_for_dump - Wait for a dump to timeout. | |
7952 | * @ipr_cmd: ipr command struct | |
7953 | * | |
7954 | * This function is invoked when an adapter dump has run out | |
7955 | * of processing time. | |
7956 | * | |
7957 | * Return value: | |
7958 | * IPR_RC_JOB_CONTINUE | |
7959 | **/ | |
7960 | static int ipr_reset_wait_for_dump(struct ipr_cmnd *ipr_cmd) | |
7961 | { | |
7962 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7963 | ||
7964 | if (ioa_cfg->sdt_state == GET_DUMP) | |
41e9a696 BK |
7965 | ioa_cfg->sdt_state = WAIT_FOR_DUMP; |
7966 | else if (ioa_cfg->sdt_state == READ_DUMP) | |
1da177e4 LT |
7967 | ioa_cfg->sdt_state = ABORT_DUMP; |
7968 | ||
4c647e90 | 7969 | ioa_cfg->dump_timeout = 1; |
1da177e4 LT |
7970 | ipr_cmd->job_step = ipr_reset_alert; |
7971 | ||
7972 | return IPR_RC_JOB_CONTINUE; | |
7973 | } | |
7974 | ||
7975 | /** | |
7976 | * ipr_unit_check_no_data - Log a unit check/no data error log | |
7977 | * @ioa_cfg: ioa config struct | |
7978 | * | |
7979 | * Logs an error indicating the adapter unit checked, but for some | |
7980 | * reason, we were unable to fetch the unit check buffer. | |
7981 | * | |
7982 | * Return value: | |
7983 | * nothing | |
7984 | **/ | |
7985 | static void ipr_unit_check_no_data(struct ipr_ioa_cfg *ioa_cfg) | |
7986 | { | |
7987 | ioa_cfg->errors_logged++; | |
7988 | dev_err(&ioa_cfg->pdev->dev, "IOA unit check with no data\n"); | |
7989 | } | |
7990 | ||
7991 | /** | |
7992 | * ipr_get_unit_check_buffer - Get the unit check buffer from the IOA | |
7993 | * @ioa_cfg: ioa config struct | |
7994 | * | |
7995 | * Fetches the unit check buffer from the adapter by clocking the data | |
7996 | * through the mailbox register. | |
7997 | * | |
7998 | * Return value: | |
7999 | * nothing | |
8000 | **/ | |
8001 | static void ipr_get_unit_check_buffer(struct ipr_ioa_cfg *ioa_cfg) | |
8002 | { | |
8003 | unsigned long mailbox; | |
8004 | struct ipr_hostrcb *hostrcb; | |
8005 | struct ipr_uc_sdt sdt; | |
8006 | int rc, length; | |
65f56475 | 8007 | u32 ioasc; |
1da177e4 LT |
8008 | |
8009 | mailbox = readl(ioa_cfg->ioa_mailbox); | |
8010 | ||
dcbad00e | 8011 | if (!ioa_cfg->sis64 && !ipr_sdt_is_fmt2(mailbox)) { |
1da177e4 LT |
8012 | ipr_unit_check_no_data(ioa_cfg); |
8013 | return; | |
8014 | } | |
8015 | ||
8016 | memset(&sdt, 0, sizeof(struct ipr_uc_sdt)); | |
8017 | rc = ipr_get_ldump_data_section(ioa_cfg, mailbox, (__be32 *) &sdt, | |
8018 | (sizeof(struct ipr_uc_sdt)) / sizeof(__be32)); | |
8019 | ||
dcbad00e WB |
8020 | if (rc || !(sdt.entry[0].flags & IPR_SDT_VALID_ENTRY) || |
8021 | ((be32_to_cpu(sdt.hdr.state) != IPR_FMT3_SDT_READY_TO_USE) && | |
8022 | (be32_to_cpu(sdt.hdr.state) != IPR_FMT2_SDT_READY_TO_USE))) { | |
1da177e4 LT |
8023 | ipr_unit_check_no_data(ioa_cfg); |
8024 | return; | |
8025 | } | |
8026 | ||
8027 | /* Find length of the first sdt entry (UC buffer) */ | |
dcbad00e WB |
8028 | if (be32_to_cpu(sdt.hdr.state) == IPR_FMT3_SDT_READY_TO_USE) |
8029 | length = be32_to_cpu(sdt.entry[0].end_token); | |
8030 | else | |
8031 | length = (be32_to_cpu(sdt.entry[0].end_token) - | |
8032 | be32_to_cpu(sdt.entry[0].start_token)) & | |
8033 | IPR_FMT2_MBX_ADDR_MASK; | |
1da177e4 LT |
8034 | |
8035 | hostrcb = list_entry(ioa_cfg->hostrcb_free_q.next, | |
8036 | struct ipr_hostrcb, queue); | |
8037 | list_del(&hostrcb->queue); | |
8038 | memset(&hostrcb->hcam, 0, sizeof(hostrcb->hcam)); | |
8039 | ||
8040 | rc = ipr_get_ldump_data_section(ioa_cfg, | |
dcbad00e | 8041 | be32_to_cpu(sdt.entry[0].start_token), |
1da177e4 LT |
8042 | (__be32 *)&hostrcb->hcam, |
8043 | min(length, (int)sizeof(hostrcb->hcam)) / sizeof(__be32)); | |
8044 | ||
65f56475 | 8045 | if (!rc) { |
1da177e4 | 8046 | ipr_handle_log_data(ioa_cfg, hostrcb); |
4565e370 | 8047 | ioasc = be32_to_cpu(hostrcb->hcam.u.error.fd_ioasc); |
65f56475 BK |
8048 | if (ioasc == IPR_IOASC_NR_IOA_RESET_REQUIRED && |
8049 | ioa_cfg->sdt_state == GET_DUMP) | |
8050 | ioa_cfg->sdt_state = WAIT_FOR_DUMP; | |
8051 | } else | |
1da177e4 LT |
8052 | ipr_unit_check_no_data(ioa_cfg); |
8053 | ||
8054 | list_add_tail(&hostrcb->queue, &ioa_cfg->hostrcb_free_q); | |
8055 | } | |
8056 | ||
110def85 WB |
8057 | /** |
8058 | * ipr_reset_get_unit_check_job - Call to get the unit check buffer. | |
8059 | * @ipr_cmd: ipr command struct | |
8060 | * | |
8061 | * Description: This function will call to get the unit check buffer. | |
8062 | * | |
8063 | * Return value: | |
8064 | * IPR_RC_JOB_RETURN | |
8065 | **/ | |
8066 | static int ipr_reset_get_unit_check_job(struct ipr_cmnd *ipr_cmd) | |
8067 | { | |
8068 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
8069 | ||
8070 | ENTER; | |
8071 | ioa_cfg->ioa_unit_checked = 0; | |
8072 | ipr_get_unit_check_buffer(ioa_cfg); | |
8073 | ipr_cmd->job_step = ipr_reset_alert; | |
8074 | ipr_reset_start_timer(ipr_cmd, 0); | |
8075 | ||
8076 | LEAVE; | |
8077 | return IPR_RC_JOB_RETURN; | |
8078 | } | |
8079 | ||
1da177e4 LT |
8080 | /** |
8081 | * ipr_reset_restore_cfg_space - Restore PCI config space. | |
8082 | * @ipr_cmd: ipr command struct | |
8083 | * | |
8084 | * Description: This function restores the saved PCI config space of | |
8085 | * the adapter, fails all outstanding ops back to the callers, and | |
8086 | * fetches the dump/unit check if applicable to this reset. | |
8087 | * | |
8088 | * Return value: | |
8089 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
8090 | **/ | |
8091 | static int ipr_reset_restore_cfg_space(struct ipr_cmnd *ipr_cmd) | |
8092 | { | |
8093 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
630ad831 | 8094 | u32 int_reg; |
1da177e4 LT |
8095 | |
8096 | ENTER; | |
99c965dd | 8097 | ioa_cfg->pdev->state_saved = true; |
1d3c16a8 | 8098 | pci_restore_state(ioa_cfg->pdev); |
1da177e4 LT |
8099 | |
8100 | if (ipr_set_pcix_cmd_reg(ioa_cfg)) { | |
96d21f00 | 8101 | ipr_cmd->s.ioasa.hdr.ioasc = cpu_to_be32(IPR_IOASC_PCI_ACCESS_ERROR); |
1da177e4 LT |
8102 | return IPR_RC_JOB_CONTINUE; |
8103 | } | |
8104 | ||
8105 | ipr_fail_all_ops(ioa_cfg); | |
8106 | ||
8701f185 WB |
8107 | if (ioa_cfg->sis64) { |
8108 | /* Set the adapter to the correct endian mode. */ | |
8109 | writel(IPR_ENDIAN_SWAP_KEY, ioa_cfg->regs.endian_swap_reg); | |
8110 | int_reg = readl(ioa_cfg->regs.endian_swap_reg); | |
8111 | } | |
8112 | ||
1da177e4 | 8113 | if (ioa_cfg->ioa_unit_checked) { |
110def85 WB |
8114 | if (ioa_cfg->sis64) { |
8115 | ipr_cmd->job_step = ipr_reset_get_unit_check_job; | |
8116 | ipr_reset_start_timer(ipr_cmd, IPR_DUMP_DELAY_TIMEOUT); | |
8117 | return IPR_RC_JOB_RETURN; | |
8118 | } else { | |
8119 | ioa_cfg->ioa_unit_checked = 0; | |
8120 | ipr_get_unit_check_buffer(ioa_cfg); | |
8121 | ipr_cmd->job_step = ipr_reset_alert; | |
8122 | ipr_reset_start_timer(ipr_cmd, 0); | |
8123 | return IPR_RC_JOB_RETURN; | |
8124 | } | |
1da177e4 LT |
8125 | } |
8126 | ||
8127 | if (ioa_cfg->in_ioa_bringdown) { | |
8128 | ipr_cmd->job_step = ipr_ioa_bringdown_done; | |
8129 | } else { | |
8130 | ipr_cmd->job_step = ipr_reset_enable_ioa; | |
8131 | ||
8132 | if (GET_DUMP == ioa_cfg->sdt_state) { | |
41e9a696 | 8133 | ioa_cfg->sdt_state = READ_DUMP; |
4c647e90 | 8134 | ioa_cfg->dump_timeout = 0; |
4d4dd706 KSS |
8135 | if (ioa_cfg->sis64) |
8136 | ipr_reset_start_timer(ipr_cmd, IPR_SIS64_DUMP_TIMEOUT); | |
8137 | else | |
8138 | ipr_reset_start_timer(ipr_cmd, IPR_SIS32_DUMP_TIMEOUT); | |
1da177e4 LT |
8139 | ipr_cmd->job_step = ipr_reset_wait_for_dump; |
8140 | schedule_work(&ioa_cfg->work_q); | |
8141 | return IPR_RC_JOB_RETURN; | |
8142 | } | |
8143 | } | |
8144 | ||
438b0331 | 8145 | LEAVE; |
1da177e4 LT |
8146 | return IPR_RC_JOB_CONTINUE; |
8147 | } | |
8148 | ||
e619e1a7 BK |
8149 | /** |
8150 | * ipr_reset_bist_done - BIST has completed on the adapter. | |
8151 | * @ipr_cmd: ipr command struct | |
8152 | * | |
8153 | * Description: Unblock config space and resume the reset process. | |
8154 | * | |
8155 | * Return value: | |
8156 | * IPR_RC_JOB_CONTINUE | |
8157 | **/ | |
8158 | static int ipr_reset_bist_done(struct ipr_cmnd *ipr_cmd) | |
8159 | { | |
fb51ccbf JK |
8160 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; |
8161 | ||
e619e1a7 | 8162 | ENTER; |
fb51ccbf JK |
8163 | if (ioa_cfg->cfg_locked) |
8164 | pci_cfg_access_unlock(ioa_cfg->pdev); | |
8165 | ioa_cfg->cfg_locked = 0; | |
e619e1a7 BK |
8166 | ipr_cmd->job_step = ipr_reset_restore_cfg_space; |
8167 | LEAVE; | |
8168 | return IPR_RC_JOB_CONTINUE; | |
8169 | } | |
8170 | ||
1da177e4 LT |
8171 | /** |
8172 | * ipr_reset_start_bist - Run BIST on the adapter. | |
8173 | * @ipr_cmd: ipr command struct | |
8174 | * | |
8175 | * Description: This function runs BIST on the adapter, then delays 2 seconds. | |
8176 | * | |
8177 | * Return value: | |
8178 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
8179 | **/ | |
8180 | static int ipr_reset_start_bist(struct ipr_cmnd *ipr_cmd) | |
8181 | { | |
8182 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
cb237ef7 | 8183 | int rc = PCIBIOS_SUCCESSFUL; |
1da177e4 LT |
8184 | |
8185 | ENTER; | |
cb237ef7 WB |
8186 | if (ioa_cfg->ipr_chip->bist_method == IPR_MMIO) |
8187 | writel(IPR_UPROCI_SIS64_START_BIST, | |
8188 | ioa_cfg->regs.set_uproc_interrupt_reg32); | |
8189 | else | |
8190 | rc = pci_write_config_byte(ioa_cfg->pdev, PCI_BIST, PCI_BIST_START); | |
8191 | ||
8192 | if (rc == PCIBIOS_SUCCESSFUL) { | |
e619e1a7 | 8193 | ipr_cmd->job_step = ipr_reset_bist_done; |
1da177e4 LT |
8194 | ipr_reset_start_timer(ipr_cmd, IPR_WAIT_FOR_BIST_TIMEOUT); |
8195 | rc = IPR_RC_JOB_RETURN; | |
cb237ef7 | 8196 | } else { |
fb51ccbf JK |
8197 | if (ioa_cfg->cfg_locked) |
8198 | pci_cfg_access_unlock(ipr_cmd->ioa_cfg->pdev); | |
8199 | ioa_cfg->cfg_locked = 0; | |
cb237ef7 WB |
8200 | ipr_cmd->s.ioasa.hdr.ioasc = cpu_to_be32(IPR_IOASC_PCI_ACCESS_ERROR); |
8201 | rc = IPR_RC_JOB_CONTINUE; | |
1da177e4 LT |
8202 | } |
8203 | ||
8204 | LEAVE; | |
8205 | return rc; | |
8206 | } | |
8207 | ||
463fc696 BK |
8208 | /** |
8209 | * ipr_reset_slot_reset_done - Clear PCI reset to the adapter | |
8210 | * @ipr_cmd: ipr command struct | |
8211 | * | |
8212 | * Description: This clears PCI reset to the adapter and delays two seconds. | |
8213 | * | |
8214 | * Return value: | |
8215 | * IPR_RC_JOB_RETURN | |
8216 | **/ | |
8217 | static int ipr_reset_slot_reset_done(struct ipr_cmnd *ipr_cmd) | |
8218 | { | |
8219 | ENTER; | |
8220 | pci_set_pcie_reset_state(ipr_cmd->ioa_cfg->pdev, pcie_deassert_reset); | |
8221 | ipr_cmd->job_step = ipr_reset_bist_done; | |
8222 | ipr_reset_start_timer(ipr_cmd, IPR_WAIT_FOR_BIST_TIMEOUT); | |
8223 | LEAVE; | |
8224 | return IPR_RC_JOB_RETURN; | |
8225 | } | |
8226 | ||
8227 | /** | |
8228 | * ipr_reset_slot_reset - Reset the PCI slot of the adapter. | |
8229 | * @ipr_cmd: ipr command struct | |
8230 | * | |
8231 | * Description: This asserts PCI reset to the adapter. | |
8232 | * | |
8233 | * Return value: | |
8234 | * IPR_RC_JOB_RETURN | |
8235 | **/ | |
8236 | static int ipr_reset_slot_reset(struct ipr_cmnd *ipr_cmd) | |
8237 | { | |
8238 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
8239 | struct pci_dev *pdev = ioa_cfg->pdev; | |
8240 | ||
8241 | ENTER; | |
463fc696 BK |
8242 | pci_set_pcie_reset_state(pdev, pcie_warm_reset); |
8243 | ipr_cmd->job_step = ipr_reset_slot_reset_done; | |
8244 | ipr_reset_start_timer(ipr_cmd, IPR_PCI_RESET_TIMEOUT); | |
8245 | LEAVE; | |
8246 | return IPR_RC_JOB_RETURN; | |
8247 | } | |
8248 | ||
fb51ccbf JK |
8249 | /** |
8250 | * ipr_reset_block_config_access_wait - Wait for permission to block config access | |
8251 | * @ipr_cmd: ipr command struct | |
8252 | * | |
8253 | * Description: This attempts to block config access to the IOA. | |
8254 | * | |
8255 | * Return value: | |
8256 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
8257 | **/ | |
8258 | static int ipr_reset_block_config_access_wait(struct ipr_cmnd *ipr_cmd) | |
8259 | { | |
8260 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
8261 | int rc = IPR_RC_JOB_CONTINUE; | |
8262 | ||
8263 | if (pci_cfg_access_trylock(ioa_cfg->pdev)) { | |
8264 | ioa_cfg->cfg_locked = 1; | |
8265 | ipr_cmd->job_step = ioa_cfg->reset; | |
8266 | } else { | |
8267 | if (ipr_cmd->u.time_left) { | |
8268 | rc = IPR_RC_JOB_RETURN; | |
8269 | ipr_cmd->u.time_left -= IPR_CHECK_FOR_RESET_TIMEOUT; | |
8270 | ipr_reset_start_timer(ipr_cmd, | |
8271 | IPR_CHECK_FOR_RESET_TIMEOUT); | |
8272 | } else { | |
8273 | ipr_cmd->job_step = ioa_cfg->reset; | |
8274 | dev_err(&ioa_cfg->pdev->dev, | |
8275 | "Timed out waiting to lock config access. Resetting anyway.\n"); | |
8276 | } | |
8277 | } | |
8278 | ||
8279 | return rc; | |
8280 | } | |
8281 | ||
8282 | /** | |
8283 | * ipr_reset_block_config_access - Block config access to the IOA | |
8284 | * @ipr_cmd: ipr command struct | |
8285 | * | |
8286 | * Description: This attempts to block config access to the IOA | |
8287 | * | |
8288 | * Return value: | |
8289 | * IPR_RC_JOB_CONTINUE | |
8290 | **/ | |
8291 | static int ipr_reset_block_config_access(struct ipr_cmnd *ipr_cmd) | |
8292 | { | |
8293 | ipr_cmd->ioa_cfg->cfg_locked = 0; | |
8294 | ipr_cmd->job_step = ipr_reset_block_config_access_wait; | |
8295 | ipr_cmd->u.time_left = IPR_WAIT_FOR_RESET_TIMEOUT; | |
8296 | return IPR_RC_JOB_CONTINUE; | |
8297 | } | |
8298 | ||
1da177e4 LT |
8299 | /** |
8300 | * ipr_reset_allowed - Query whether or not IOA can be reset | |
8301 | * @ioa_cfg: ioa config struct | |
8302 | * | |
8303 | * Return value: | |
8304 | * 0 if reset not allowed / non-zero if reset is allowed | |
8305 | **/ | |
8306 | static int ipr_reset_allowed(struct ipr_ioa_cfg *ioa_cfg) | |
8307 | { | |
8308 | volatile u32 temp_reg; | |
8309 | ||
8310 | temp_reg = readl(ioa_cfg->regs.sense_interrupt_reg); | |
8311 | return ((temp_reg & IPR_PCII_CRITICAL_OPERATION) == 0); | |
8312 | } | |
8313 | ||
8314 | /** | |
8315 | * ipr_reset_wait_to_start_bist - Wait for permission to reset IOA. | |
8316 | * @ipr_cmd: ipr command struct | |
8317 | * | |
8318 | * Description: This function waits for adapter permission to run BIST, | |
8319 | * then runs BIST. If the adapter does not give permission after a | |
8320 | * reasonable time, we will reset the adapter anyway. The impact of | |
8321 | * resetting the adapter without warning the adapter is the risk of | |
8322 | * losing the persistent error log on the adapter. If the adapter is | |
8323 | * reset while it is writing to the flash on the adapter, the flash | |
8324 | * segment will have bad ECC and be zeroed. | |
8325 | * | |
8326 | * Return value: | |
8327 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
8328 | **/ | |
8329 | static int ipr_reset_wait_to_start_bist(struct ipr_cmnd *ipr_cmd) | |
8330 | { | |
8331 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
8332 | int rc = IPR_RC_JOB_RETURN; | |
8333 | ||
8334 | if (!ipr_reset_allowed(ioa_cfg) && ipr_cmd->u.time_left) { | |
8335 | ipr_cmd->u.time_left -= IPR_CHECK_FOR_RESET_TIMEOUT; | |
8336 | ipr_reset_start_timer(ipr_cmd, IPR_CHECK_FOR_RESET_TIMEOUT); | |
8337 | } else { | |
fb51ccbf | 8338 | ipr_cmd->job_step = ipr_reset_block_config_access; |
1da177e4 LT |
8339 | rc = IPR_RC_JOB_CONTINUE; |
8340 | } | |
8341 | ||
8342 | return rc; | |
8343 | } | |
8344 | ||
8345 | /** | |
8701f185 | 8346 | * ipr_reset_alert - Alert the adapter of a pending reset |
1da177e4 LT |
8347 | * @ipr_cmd: ipr command struct |
8348 | * | |
8349 | * Description: This function alerts the adapter that it will be reset. | |
8350 | * If memory space is not currently enabled, proceed directly | |
8351 | * to running BIST on the adapter. The timer must always be started | |
8352 | * so we guarantee we do not run BIST from ipr_isr. | |
8353 | * | |
8354 | * Return value: | |
8355 | * IPR_RC_JOB_RETURN | |
8356 | **/ | |
8357 | static int ipr_reset_alert(struct ipr_cmnd *ipr_cmd) | |
8358 | { | |
8359 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
8360 | u16 cmd_reg; | |
8361 | int rc; | |
8362 | ||
8363 | ENTER; | |
8364 | rc = pci_read_config_word(ioa_cfg->pdev, PCI_COMMAND, &cmd_reg); | |
8365 | ||
8366 | if ((rc == PCIBIOS_SUCCESSFUL) && (cmd_reg & PCI_COMMAND_MEMORY)) { | |
8367 | ipr_mask_and_clear_interrupts(ioa_cfg, ~0); | |
214777ba | 8368 | writel(IPR_UPROCI_RESET_ALERT, ioa_cfg->regs.set_uproc_interrupt_reg32); |
1da177e4 LT |
8369 | ipr_cmd->job_step = ipr_reset_wait_to_start_bist; |
8370 | } else { | |
fb51ccbf | 8371 | ipr_cmd->job_step = ipr_reset_block_config_access; |
1da177e4 LT |
8372 | } |
8373 | ||
8374 | ipr_cmd->u.time_left = IPR_WAIT_FOR_RESET_TIMEOUT; | |
8375 | ipr_reset_start_timer(ipr_cmd, IPR_CHECK_FOR_RESET_TIMEOUT); | |
8376 | ||
8377 | LEAVE; | |
8378 | return IPR_RC_JOB_RETURN; | |
8379 | } | |
8380 | ||
8381 | /** | |
8382 | * ipr_reset_ucode_download_done - Microcode download completion | |
8383 | * @ipr_cmd: ipr command struct | |
8384 | * | |
8385 | * Description: This function unmaps the microcode download buffer. | |
8386 | * | |
8387 | * Return value: | |
8388 | * IPR_RC_JOB_CONTINUE | |
8389 | **/ | |
8390 | static int ipr_reset_ucode_download_done(struct ipr_cmnd *ipr_cmd) | |
8391 | { | |
8392 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
8393 | struct ipr_sglist *sglist = ioa_cfg->ucode_sglist; | |
8394 | ||
8395 | pci_unmap_sg(ioa_cfg->pdev, sglist->scatterlist, | |
8396 | sglist->num_sg, DMA_TO_DEVICE); | |
8397 | ||
8398 | ipr_cmd->job_step = ipr_reset_alert; | |
8399 | return IPR_RC_JOB_CONTINUE; | |
8400 | } | |
8401 | ||
8402 | /** | |
8403 | * ipr_reset_ucode_download - Download microcode to the adapter | |
8404 | * @ipr_cmd: ipr command struct | |
8405 | * | |
8406 | * Description: This function checks to see if it there is microcode | |
8407 | * to download to the adapter. If there is, a download is performed. | |
8408 | * | |
8409 | * Return value: | |
8410 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
8411 | **/ | |
8412 | static int ipr_reset_ucode_download(struct ipr_cmnd *ipr_cmd) | |
8413 | { | |
8414 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
8415 | struct ipr_sglist *sglist = ioa_cfg->ucode_sglist; | |
8416 | ||
8417 | ENTER; | |
8418 | ipr_cmd->job_step = ipr_reset_alert; | |
8419 | ||
8420 | if (!sglist) | |
8421 | return IPR_RC_JOB_CONTINUE; | |
8422 | ||
8423 | ipr_cmd->ioarcb.res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE); | |
8424 | ipr_cmd->ioarcb.cmd_pkt.request_type = IPR_RQTYPE_SCSICDB; | |
8425 | ipr_cmd->ioarcb.cmd_pkt.cdb[0] = WRITE_BUFFER; | |
8426 | ipr_cmd->ioarcb.cmd_pkt.cdb[1] = IPR_WR_BUF_DOWNLOAD_AND_SAVE; | |
8427 | ipr_cmd->ioarcb.cmd_pkt.cdb[6] = (sglist->buffer_len & 0xff0000) >> 16; | |
8428 | ipr_cmd->ioarcb.cmd_pkt.cdb[7] = (sglist->buffer_len & 0x00ff00) >> 8; | |
8429 | ipr_cmd->ioarcb.cmd_pkt.cdb[8] = sglist->buffer_len & 0x0000ff; | |
8430 | ||
a32c055f WB |
8431 | if (ioa_cfg->sis64) |
8432 | ipr_build_ucode_ioadl64(ipr_cmd, sglist); | |
8433 | else | |
8434 | ipr_build_ucode_ioadl(ipr_cmd, sglist); | |
1da177e4 LT |
8435 | ipr_cmd->job_step = ipr_reset_ucode_download_done; |
8436 | ||
8437 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, | |
8438 | IPR_WRITE_BUFFER_TIMEOUT); | |
8439 | ||
8440 | LEAVE; | |
8441 | return IPR_RC_JOB_RETURN; | |
8442 | } | |
8443 | ||
8444 | /** | |
8445 | * ipr_reset_shutdown_ioa - Shutdown the adapter | |
8446 | * @ipr_cmd: ipr command struct | |
8447 | * | |
8448 | * Description: This function issues an adapter shutdown of the | |
8449 | * specified type to the specified adapter as part of the | |
8450 | * adapter reset job. | |
8451 | * | |
8452 | * Return value: | |
8453 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
8454 | **/ | |
8455 | static int ipr_reset_shutdown_ioa(struct ipr_cmnd *ipr_cmd) | |
8456 | { | |
8457 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
8458 | enum ipr_shutdown_type shutdown_type = ipr_cmd->u.shutdown_type; | |
8459 | unsigned long timeout; | |
8460 | int rc = IPR_RC_JOB_CONTINUE; | |
8461 | ||
8462 | ENTER; | |
56d6aa33 | 8463 | if (shutdown_type != IPR_SHUTDOWN_NONE && |
8464 | !ioa_cfg->hrrq[IPR_INIT_HRRQ].ioa_is_dead) { | |
1da177e4 LT |
8465 | ipr_cmd->ioarcb.res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE); |
8466 | ipr_cmd->ioarcb.cmd_pkt.request_type = IPR_RQTYPE_IOACMD; | |
8467 | ipr_cmd->ioarcb.cmd_pkt.cdb[0] = IPR_IOA_SHUTDOWN; | |
8468 | ipr_cmd->ioarcb.cmd_pkt.cdb[1] = shutdown_type; | |
8469 | ||
ac09c349 BK |
8470 | if (shutdown_type == IPR_SHUTDOWN_NORMAL) |
8471 | timeout = IPR_SHUTDOWN_TIMEOUT; | |
1da177e4 LT |
8472 | else if (shutdown_type == IPR_SHUTDOWN_PREPARE_FOR_NORMAL) |
8473 | timeout = IPR_INTERNAL_TIMEOUT; | |
ac09c349 BK |
8474 | else if (ioa_cfg->dual_raid && ipr_dual_ioa_raid) |
8475 | timeout = IPR_DUAL_IOA_ABBR_SHUTDOWN_TO; | |
1da177e4 | 8476 | else |
ac09c349 | 8477 | timeout = IPR_ABBREV_SHUTDOWN_TIMEOUT; |
1da177e4 LT |
8478 | |
8479 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, timeout); | |
8480 | ||
8481 | rc = IPR_RC_JOB_RETURN; | |
8482 | ipr_cmd->job_step = ipr_reset_ucode_download; | |
8483 | } else | |
8484 | ipr_cmd->job_step = ipr_reset_alert; | |
8485 | ||
8486 | LEAVE; | |
8487 | return rc; | |
8488 | } | |
8489 | ||
8490 | /** | |
8491 | * ipr_reset_ioa_job - Adapter reset job | |
8492 | * @ipr_cmd: ipr command struct | |
8493 | * | |
8494 | * Description: This function is the job router for the adapter reset job. | |
8495 | * | |
8496 | * Return value: | |
8497 | * none | |
8498 | **/ | |
8499 | static void ipr_reset_ioa_job(struct ipr_cmnd *ipr_cmd) | |
8500 | { | |
8501 | u32 rc, ioasc; | |
1da177e4 LT |
8502 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; |
8503 | ||
8504 | do { | |
96d21f00 | 8505 | ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
1da177e4 LT |
8506 | |
8507 | if (ioa_cfg->reset_cmd != ipr_cmd) { | |
8508 | /* | |
8509 | * We are doing nested adapter resets and this is | |
8510 | * not the current reset job. | |
8511 | */ | |
05a6538a | 8512 | list_add_tail(&ipr_cmd->queue, |
8513 | &ipr_cmd->hrrq->hrrq_free_q); | |
1da177e4 LT |
8514 | return; |
8515 | } | |
8516 | ||
8517 | if (IPR_IOASC_SENSE_KEY(ioasc)) { | |
dfed823e BK |
8518 | rc = ipr_cmd->job_step_failed(ipr_cmd); |
8519 | if (rc == IPR_RC_JOB_RETURN) | |
8520 | return; | |
1da177e4 LT |
8521 | } |
8522 | ||
8523 | ipr_reinit_ipr_cmnd(ipr_cmd); | |
dfed823e | 8524 | ipr_cmd->job_step_failed = ipr_reset_cmd_failed; |
1da177e4 | 8525 | rc = ipr_cmd->job_step(ipr_cmd); |
203fa3fe | 8526 | } while (rc == IPR_RC_JOB_CONTINUE); |
1da177e4 LT |
8527 | } |
8528 | ||
8529 | /** | |
8530 | * _ipr_initiate_ioa_reset - Initiate an adapter reset | |
8531 | * @ioa_cfg: ioa config struct | |
8532 | * @job_step: first job step of reset job | |
8533 | * @shutdown_type: shutdown type | |
8534 | * | |
8535 | * Description: This function will initiate the reset of the given adapter | |
8536 | * starting at the selected job step. | |
8537 | * If the caller needs to wait on the completion of the reset, | |
8538 | * the caller must sleep on the reset_wait_q. | |
8539 | * | |
8540 | * Return value: | |
8541 | * none | |
8542 | **/ | |
8543 | static void _ipr_initiate_ioa_reset(struct ipr_ioa_cfg *ioa_cfg, | |
8544 | int (*job_step) (struct ipr_cmnd *), | |
8545 | enum ipr_shutdown_type shutdown_type) | |
8546 | { | |
8547 | struct ipr_cmnd *ipr_cmd; | |
56d6aa33 | 8548 | int i; |
1da177e4 LT |
8549 | |
8550 | ioa_cfg->in_reset_reload = 1; | |
56d6aa33 | 8551 | for (i = 0; i < ioa_cfg->hrrq_num; i++) { |
8552 | spin_lock(&ioa_cfg->hrrq[i]._lock); | |
8553 | ioa_cfg->hrrq[i].allow_cmds = 0; | |
8554 | spin_unlock(&ioa_cfg->hrrq[i]._lock); | |
8555 | } | |
8556 | wmb(); | |
bfae7820 BK |
8557 | if (!ioa_cfg->hrrq[IPR_INIT_HRRQ].removing_ioa) |
8558 | scsi_block_requests(ioa_cfg->host); | |
1da177e4 LT |
8559 | |
8560 | ipr_cmd = ipr_get_free_ipr_cmnd(ioa_cfg); | |
8561 | ioa_cfg->reset_cmd = ipr_cmd; | |
8562 | ipr_cmd->job_step = job_step; | |
8563 | ipr_cmd->u.shutdown_type = shutdown_type; | |
8564 | ||
8565 | ipr_reset_ioa_job(ipr_cmd); | |
8566 | } | |
8567 | ||
8568 | /** | |
8569 | * ipr_initiate_ioa_reset - Initiate an adapter reset | |
8570 | * @ioa_cfg: ioa config struct | |
8571 | * @shutdown_type: shutdown type | |
8572 | * | |
8573 | * Description: This function will initiate the reset of the given adapter. | |
8574 | * If the caller needs to wait on the completion of the reset, | |
8575 | * the caller must sleep on the reset_wait_q. | |
8576 | * | |
8577 | * Return value: | |
8578 | * none | |
8579 | **/ | |
8580 | static void ipr_initiate_ioa_reset(struct ipr_ioa_cfg *ioa_cfg, | |
8581 | enum ipr_shutdown_type shutdown_type) | |
8582 | { | |
56d6aa33 | 8583 | int i; |
8584 | ||
8585 | if (ioa_cfg->hrrq[IPR_INIT_HRRQ].ioa_is_dead) | |
1da177e4 LT |
8586 | return; |
8587 | ||
41e9a696 BK |
8588 | if (ioa_cfg->in_reset_reload) { |
8589 | if (ioa_cfg->sdt_state == GET_DUMP) | |
8590 | ioa_cfg->sdt_state = WAIT_FOR_DUMP; | |
8591 | else if (ioa_cfg->sdt_state == READ_DUMP) | |
8592 | ioa_cfg->sdt_state = ABORT_DUMP; | |
8593 | } | |
1da177e4 LT |
8594 | |
8595 | if (ioa_cfg->reset_retries++ >= IPR_NUM_RESET_RELOAD_RETRIES) { | |
8596 | dev_err(&ioa_cfg->pdev->dev, | |
8597 | "IOA taken offline - error recovery failed\n"); | |
8598 | ||
8599 | ioa_cfg->reset_retries = 0; | |
56d6aa33 | 8600 | for (i = 0; i < ioa_cfg->hrrq_num; i++) { |
8601 | spin_lock(&ioa_cfg->hrrq[i]._lock); | |
8602 | ioa_cfg->hrrq[i].ioa_is_dead = 1; | |
8603 | spin_unlock(&ioa_cfg->hrrq[i]._lock); | |
8604 | } | |
8605 | wmb(); | |
1da177e4 LT |
8606 | |
8607 | if (ioa_cfg->in_ioa_bringdown) { | |
8608 | ioa_cfg->reset_cmd = NULL; | |
8609 | ioa_cfg->in_reset_reload = 0; | |
8610 | ipr_fail_all_ops(ioa_cfg); | |
8611 | wake_up_all(&ioa_cfg->reset_wait_q); | |
8612 | ||
bfae7820 BK |
8613 | if (!ioa_cfg->hrrq[IPR_INIT_HRRQ].removing_ioa) { |
8614 | spin_unlock_irq(ioa_cfg->host->host_lock); | |
8615 | scsi_unblock_requests(ioa_cfg->host); | |
8616 | spin_lock_irq(ioa_cfg->host->host_lock); | |
8617 | } | |
1da177e4 LT |
8618 | return; |
8619 | } else { | |
8620 | ioa_cfg->in_ioa_bringdown = 1; | |
8621 | shutdown_type = IPR_SHUTDOWN_NONE; | |
8622 | } | |
8623 | } | |
8624 | ||
8625 | _ipr_initiate_ioa_reset(ioa_cfg, ipr_reset_shutdown_ioa, | |
8626 | shutdown_type); | |
8627 | } | |
8628 | ||
f8a88b19 LV |
8629 | /** |
8630 | * ipr_reset_freeze - Hold off all I/O activity | |
8631 | * @ipr_cmd: ipr command struct | |
8632 | * | |
8633 | * Description: If the PCI slot is frozen, hold off all I/O | |
8634 | * activity; then, as soon as the slot is available again, | |
8635 | * initiate an adapter reset. | |
8636 | */ | |
8637 | static int ipr_reset_freeze(struct ipr_cmnd *ipr_cmd) | |
8638 | { | |
56d6aa33 | 8639 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; |
8640 | int i; | |
8641 | ||
f8a88b19 | 8642 | /* Disallow new interrupts, avoid loop */ |
56d6aa33 | 8643 | for (i = 0; i < ioa_cfg->hrrq_num; i++) { |
8644 | spin_lock(&ioa_cfg->hrrq[i]._lock); | |
8645 | ioa_cfg->hrrq[i].allow_interrupts = 0; | |
8646 | spin_unlock(&ioa_cfg->hrrq[i]._lock); | |
8647 | } | |
8648 | wmb(); | |
05a6538a | 8649 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_pending_q); |
f8a88b19 LV |
8650 | ipr_cmd->done = ipr_reset_ioa_job; |
8651 | return IPR_RC_JOB_RETURN; | |
8652 | } | |
8653 | ||
6270e593 BK |
8654 | /** |
8655 | * ipr_pci_mmio_enabled - Called when MMIO has been re-enabled | |
8656 | * @pdev: PCI device struct | |
8657 | * | |
8658 | * Description: This routine is called to tell us that the MMIO | |
8659 | * access to the IOA has been restored | |
8660 | */ | |
8661 | static pci_ers_result_t ipr_pci_mmio_enabled(struct pci_dev *pdev) | |
8662 | { | |
8663 | unsigned long flags = 0; | |
8664 | struct ipr_ioa_cfg *ioa_cfg = pci_get_drvdata(pdev); | |
8665 | ||
8666 | spin_lock_irqsave(ioa_cfg->host->host_lock, flags); | |
8667 | if (!ioa_cfg->probe_done) | |
8668 | pci_save_state(pdev); | |
8669 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); | |
8670 | return PCI_ERS_RESULT_NEED_RESET; | |
8671 | } | |
8672 | ||
f8a88b19 LV |
8673 | /** |
8674 | * ipr_pci_frozen - Called when slot has experienced a PCI bus error. | |
8675 | * @pdev: PCI device struct | |
8676 | * | |
8677 | * Description: This routine is called to tell us that the PCI bus | |
8678 | * is down. Can't do anything here, except put the device driver | |
8679 | * into a holding pattern, waiting for the PCI bus to come back. | |
8680 | */ | |
8681 | static void ipr_pci_frozen(struct pci_dev *pdev) | |
8682 | { | |
8683 | unsigned long flags = 0; | |
8684 | struct ipr_ioa_cfg *ioa_cfg = pci_get_drvdata(pdev); | |
8685 | ||
8686 | spin_lock_irqsave(ioa_cfg->host->host_lock, flags); | |
6270e593 BK |
8687 | if (ioa_cfg->probe_done) |
8688 | _ipr_initiate_ioa_reset(ioa_cfg, ipr_reset_freeze, IPR_SHUTDOWN_NONE); | |
f8a88b19 LV |
8689 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); |
8690 | } | |
8691 | ||
8692 | /** | |
8693 | * ipr_pci_slot_reset - Called when PCI slot has been reset. | |
8694 | * @pdev: PCI device struct | |
8695 | * | |
8696 | * Description: This routine is called by the pci error recovery | |
8697 | * code after the PCI slot has been reset, just before we | |
8698 | * should resume normal operations. | |
8699 | */ | |
8700 | static pci_ers_result_t ipr_pci_slot_reset(struct pci_dev *pdev) | |
8701 | { | |
8702 | unsigned long flags = 0; | |
8703 | struct ipr_ioa_cfg *ioa_cfg = pci_get_drvdata(pdev); | |
8704 | ||
8705 | spin_lock_irqsave(ioa_cfg->host->host_lock, flags); | |
6270e593 BK |
8706 | if (ioa_cfg->probe_done) { |
8707 | if (ioa_cfg->needs_warm_reset) | |
8708 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); | |
8709 | else | |
8710 | _ipr_initiate_ioa_reset(ioa_cfg, ipr_reset_restore_cfg_space, | |
8711 | IPR_SHUTDOWN_NONE); | |
8712 | } else | |
8713 | wake_up_all(&ioa_cfg->eeh_wait_q); | |
f8a88b19 LV |
8714 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); |
8715 | return PCI_ERS_RESULT_RECOVERED; | |
8716 | } | |
8717 | ||
8718 | /** | |
8719 | * ipr_pci_perm_failure - Called when PCI slot is dead for good. | |
8720 | * @pdev: PCI device struct | |
8721 | * | |
8722 | * Description: This routine is called when the PCI bus has | |
8723 | * permanently failed. | |
8724 | */ | |
8725 | static void ipr_pci_perm_failure(struct pci_dev *pdev) | |
8726 | { | |
8727 | unsigned long flags = 0; | |
8728 | struct ipr_ioa_cfg *ioa_cfg = pci_get_drvdata(pdev); | |
56d6aa33 | 8729 | int i; |
f8a88b19 LV |
8730 | |
8731 | spin_lock_irqsave(ioa_cfg->host->host_lock, flags); | |
6270e593 BK |
8732 | if (ioa_cfg->probe_done) { |
8733 | if (ioa_cfg->sdt_state == WAIT_FOR_DUMP) | |
8734 | ioa_cfg->sdt_state = ABORT_DUMP; | |
8735 | ioa_cfg->reset_retries = IPR_NUM_RESET_RELOAD_RETRIES - 1; | |
8736 | ioa_cfg->in_ioa_bringdown = 1; | |
8737 | for (i = 0; i < ioa_cfg->hrrq_num; i++) { | |
8738 | spin_lock(&ioa_cfg->hrrq[i]._lock); | |
8739 | ioa_cfg->hrrq[i].allow_cmds = 0; | |
8740 | spin_unlock(&ioa_cfg->hrrq[i]._lock); | |
8741 | } | |
8742 | wmb(); | |
8743 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); | |
8744 | } else | |
8745 | wake_up_all(&ioa_cfg->eeh_wait_q); | |
f8a88b19 LV |
8746 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); |
8747 | } | |
8748 | ||
8749 | /** | |
8750 | * ipr_pci_error_detected - Called when a PCI error is detected. | |
8751 | * @pdev: PCI device struct | |
8752 | * @state: PCI channel state | |
8753 | * | |
8754 | * Description: Called when a PCI error is detected. | |
8755 | * | |
8756 | * Return value: | |
8757 | * PCI_ERS_RESULT_NEED_RESET or PCI_ERS_RESULT_DISCONNECT | |
8758 | */ | |
8759 | static pci_ers_result_t ipr_pci_error_detected(struct pci_dev *pdev, | |
8760 | pci_channel_state_t state) | |
8761 | { | |
8762 | switch (state) { | |
8763 | case pci_channel_io_frozen: | |
8764 | ipr_pci_frozen(pdev); | |
6270e593 | 8765 | return PCI_ERS_RESULT_CAN_RECOVER; |
f8a88b19 LV |
8766 | case pci_channel_io_perm_failure: |
8767 | ipr_pci_perm_failure(pdev); | |
8768 | return PCI_ERS_RESULT_DISCONNECT; | |
8769 | break; | |
8770 | default: | |
8771 | break; | |
8772 | } | |
8773 | return PCI_ERS_RESULT_NEED_RESET; | |
8774 | } | |
8775 | ||
1da177e4 LT |
8776 | /** |
8777 | * ipr_probe_ioa_part2 - Initializes IOAs found in ipr_probe_ioa(..) | |
8778 | * @ioa_cfg: ioa cfg struct | |
8779 | * | |
8780 | * Description: This is the second phase of adapter intialization | |
8781 | * This function takes care of initilizing the adapter to the point | |
8782 | * where it can accept new commands. | |
8783 | ||
8784 | * Return value: | |
b1c11812 | 8785 | * 0 on success / -EIO on failure |
1da177e4 | 8786 | **/ |
6f039790 | 8787 | static int ipr_probe_ioa_part2(struct ipr_ioa_cfg *ioa_cfg) |
1da177e4 LT |
8788 | { |
8789 | int rc = 0; | |
8790 | unsigned long host_lock_flags = 0; | |
8791 | ||
8792 | ENTER; | |
8793 | spin_lock_irqsave(ioa_cfg->host->host_lock, host_lock_flags); | |
8794 | dev_dbg(&ioa_cfg->pdev->dev, "ioa_cfg adx: 0x%p\n", ioa_cfg); | |
6270e593 | 8795 | ioa_cfg->probe_done = 1; |
ce155cce BK |
8796 | if (ioa_cfg->needs_hard_reset) { |
8797 | ioa_cfg->needs_hard_reset = 0; | |
8798 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); | |
8799 | } else | |
8800 | _ipr_initiate_ioa_reset(ioa_cfg, ipr_reset_enable_ioa, | |
8801 | IPR_SHUTDOWN_NONE); | |
1da177e4 LT |
8802 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, host_lock_flags); |
8803 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
8804 | spin_lock_irqsave(ioa_cfg->host->host_lock, host_lock_flags); | |
8805 | ||
56d6aa33 | 8806 | if (ioa_cfg->hrrq[IPR_INIT_HRRQ].ioa_is_dead) { |
1da177e4 LT |
8807 | rc = -EIO; |
8808 | } else if (ipr_invalid_adapter(ioa_cfg)) { | |
8809 | if (!ipr_testmode) | |
8810 | rc = -EIO; | |
8811 | ||
8812 | dev_err(&ioa_cfg->pdev->dev, | |
8813 | "Adapter not supported in this hardware configuration.\n"); | |
8814 | } | |
8815 | ||
8816 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, host_lock_flags); | |
8817 | ||
8818 | LEAVE; | |
8819 | return rc; | |
8820 | } | |
8821 | ||
8822 | /** | |
8823 | * ipr_free_cmd_blks - Frees command blocks allocated for an adapter | |
8824 | * @ioa_cfg: ioa config struct | |
8825 | * | |
8826 | * Return value: | |
8827 | * none | |
8828 | **/ | |
8829 | static void ipr_free_cmd_blks(struct ipr_ioa_cfg *ioa_cfg) | |
8830 | { | |
8831 | int i; | |
8832 | ||
8833 | for (i = 0; i < IPR_NUM_CMD_BLKS; i++) { | |
8834 | if (ioa_cfg->ipr_cmnd_list[i]) | |
8835 | pci_pool_free(ioa_cfg->ipr_cmd_pool, | |
8836 | ioa_cfg->ipr_cmnd_list[i], | |
8837 | ioa_cfg->ipr_cmnd_list_dma[i]); | |
8838 | ||
8839 | ioa_cfg->ipr_cmnd_list[i] = NULL; | |
8840 | } | |
8841 | ||
8842 | if (ioa_cfg->ipr_cmd_pool) | |
203fa3fe | 8843 | pci_pool_destroy(ioa_cfg->ipr_cmd_pool); |
1da177e4 | 8844 | |
89aad428 BK |
8845 | kfree(ioa_cfg->ipr_cmnd_list); |
8846 | kfree(ioa_cfg->ipr_cmnd_list_dma); | |
8847 | ioa_cfg->ipr_cmnd_list = NULL; | |
8848 | ioa_cfg->ipr_cmnd_list_dma = NULL; | |
1da177e4 LT |
8849 | ioa_cfg->ipr_cmd_pool = NULL; |
8850 | } | |
8851 | ||
8852 | /** | |
8853 | * ipr_free_mem - Frees memory allocated for an adapter | |
8854 | * @ioa_cfg: ioa cfg struct | |
8855 | * | |
8856 | * Return value: | |
8857 | * nothing | |
8858 | **/ | |
8859 | static void ipr_free_mem(struct ipr_ioa_cfg *ioa_cfg) | |
8860 | { | |
8861 | int i; | |
8862 | ||
8863 | kfree(ioa_cfg->res_entries); | |
8864 | pci_free_consistent(ioa_cfg->pdev, sizeof(struct ipr_misc_cbs), | |
8865 | ioa_cfg->vpd_cbs, ioa_cfg->vpd_cbs_dma); | |
8866 | ipr_free_cmd_blks(ioa_cfg); | |
05a6538a | 8867 | |
8868 | for (i = 0; i < ioa_cfg->hrrq_num; i++) | |
8869 | pci_free_consistent(ioa_cfg->pdev, | |
8870 | sizeof(u32) * ioa_cfg->hrrq[i].size, | |
8871 | ioa_cfg->hrrq[i].host_rrq, | |
8872 | ioa_cfg->hrrq[i].host_rrq_dma); | |
8873 | ||
3e7ebdfa WB |
8874 | pci_free_consistent(ioa_cfg->pdev, ioa_cfg->cfg_table_size, |
8875 | ioa_cfg->u.cfg_table, | |
1da177e4 LT |
8876 | ioa_cfg->cfg_table_dma); |
8877 | ||
8878 | for (i = 0; i < IPR_NUM_HCAMS; i++) { | |
8879 | pci_free_consistent(ioa_cfg->pdev, | |
8880 | sizeof(struct ipr_hostrcb), | |
8881 | ioa_cfg->hostrcb[i], | |
8882 | ioa_cfg->hostrcb_dma[i]); | |
8883 | } | |
8884 | ||
8885 | ipr_free_dump(ioa_cfg); | |
1da177e4 LT |
8886 | kfree(ioa_cfg->trace); |
8887 | } | |
8888 | ||
8889 | /** | |
8890 | * ipr_free_all_resources - Free all allocated resources for an adapter. | |
8891 | * @ipr_cmd: ipr command struct | |
8892 | * | |
8893 | * This function frees all allocated resources for the | |
8894 | * specified adapter. | |
8895 | * | |
8896 | * Return value: | |
8897 | * none | |
8898 | **/ | |
8899 | static void ipr_free_all_resources(struct ipr_ioa_cfg *ioa_cfg) | |
8900 | { | |
8901 | struct pci_dev *pdev = ioa_cfg->pdev; | |
8902 | ||
8903 | ENTER; | |
05a6538a | 8904 | if (ioa_cfg->intr_flag == IPR_USE_MSI || |
8905 | ioa_cfg->intr_flag == IPR_USE_MSIX) { | |
8906 | int i; | |
8907 | for (i = 0; i < ioa_cfg->nvectors; i++) | |
8908 | free_irq(ioa_cfg->vectors_info[i].vec, | |
8909 | &ioa_cfg->hrrq[i]); | |
8910 | } else | |
8911 | free_irq(pdev->irq, &ioa_cfg->hrrq[0]); | |
8912 | ||
56d6aa33 | 8913 | if (ioa_cfg->intr_flag == IPR_USE_MSI) { |
05a6538a | 8914 | pci_disable_msi(pdev); |
56d6aa33 | 8915 | ioa_cfg->intr_flag &= ~IPR_USE_MSI; |
8916 | } else if (ioa_cfg->intr_flag == IPR_USE_MSIX) { | |
05a6538a | 8917 | pci_disable_msix(pdev); |
56d6aa33 | 8918 | ioa_cfg->intr_flag &= ~IPR_USE_MSIX; |
8919 | } | |
05a6538a | 8920 | |
1da177e4 LT |
8921 | iounmap(ioa_cfg->hdw_dma_regs); |
8922 | pci_release_regions(pdev); | |
8923 | ipr_free_mem(ioa_cfg); | |
8924 | scsi_host_put(ioa_cfg->host); | |
8925 | pci_disable_device(pdev); | |
8926 | LEAVE; | |
8927 | } | |
8928 | ||
8929 | /** | |
8930 | * ipr_alloc_cmd_blks - Allocate command blocks for an adapter | |
8931 | * @ioa_cfg: ioa config struct | |
8932 | * | |
8933 | * Return value: | |
8934 | * 0 on success / -ENOMEM on allocation failure | |
8935 | **/ | |
6f039790 | 8936 | static int ipr_alloc_cmd_blks(struct ipr_ioa_cfg *ioa_cfg) |
1da177e4 LT |
8937 | { |
8938 | struct ipr_cmnd *ipr_cmd; | |
8939 | struct ipr_ioarcb *ioarcb; | |
8940 | dma_addr_t dma_addr; | |
05a6538a | 8941 | int i, entries_each_hrrq, hrrq_id = 0; |
1da177e4 | 8942 | |
203fa3fe KSS |
8943 | ioa_cfg->ipr_cmd_pool = pci_pool_create(IPR_NAME, ioa_cfg->pdev, |
8944 | sizeof(struct ipr_cmnd), 512, 0); | |
1da177e4 LT |
8945 | |
8946 | if (!ioa_cfg->ipr_cmd_pool) | |
8947 | return -ENOMEM; | |
8948 | ||
89aad428 BK |
8949 | ioa_cfg->ipr_cmnd_list = kcalloc(IPR_NUM_CMD_BLKS, sizeof(struct ipr_cmnd *), GFP_KERNEL); |
8950 | ioa_cfg->ipr_cmnd_list_dma = kcalloc(IPR_NUM_CMD_BLKS, sizeof(dma_addr_t), GFP_KERNEL); | |
8951 | ||
8952 | if (!ioa_cfg->ipr_cmnd_list || !ioa_cfg->ipr_cmnd_list_dma) { | |
8953 | ipr_free_cmd_blks(ioa_cfg); | |
8954 | return -ENOMEM; | |
8955 | } | |
8956 | ||
05a6538a | 8957 | for (i = 0; i < ioa_cfg->hrrq_num; i++) { |
8958 | if (ioa_cfg->hrrq_num > 1) { | |
8959 | if (i == 0) { | |
8960 | entries_each_hrrq = IPR_NUM_INTERNAL_CMD_BLKS; | |
8961 | ioa_cfg->hrrq[i].min_cmd_id = 0; | |
8962 | ioa_cfg->hrrq[i].max_cmd_id = | |
8963 | (entries_each_hrrq - 1); | |
8964 | } else { | |
8965 | entries_each_hrrq = | |
8966 | IPR_NUM_BASE_CMD_BLKS/ | |
8967 | (ioa_cfg->hrrq_num - 1); | |
8968 | ioa_cfg->hrrq[i].min_cmd_id = | |
8969 | IPR_NUM_INTERNAL_CMD_BLKS + | |
8970 | (i - 1) * entries_each_hrrq; | |
8971 | ioa_cfg->hrrq[i].max_cmd_id = | |
8972 | (IPR_NUM_INTERNAL_CMD_BLKS + | |
8973 | i * entries_each_hrrq - 1); | |
8974 | } | |
8975 | } else { | |
8976 | entries_each_hrrq = IPR_NUM_CMD_BLKS; | |
8977 | ioa_cfg->hrrq[i].min_cmd_id = 0; | |
8978 | ioa_cfg->hrrq[i].max_cmd_id = (entries_each_hrrq - 1); | |
8979 | } | |
8980 | ioa_cfg->hrrq[i].size = entries_each_hrrq; | |
8981 | } | |
8982 | ||
8983 | BUG_ON(ioa_cfg->hrrq_num == 0); | |
8984 | ||
8985 | i = IPR_NUM_CMD_BLKS - | |
8986 | ioa_cfg->hrrq[ioa_cfg->hrrq_num - 1].max_cmd_id - 1; | |
8987 | if (i > 0) { | |
8988 | ioa_cfg->hrrq[ioa_cfg->hrrq_num - 1].size += i; | |
8989 | ioa_cfg->hrrq[ioa_cfg->hrrq_num - 1].max_cmd_id += i; | |
8990 | } | |
8991 | ||
1da177e4 | 8992 | for (i = 0; i < IPR_NUM_CMD_BLKS; i++) { |
203fa3fe | 8993 | ipr_cmd = pci_pool_alloc(ioa_cfg->ipr_cmd_pool, GFP_KERNEL, &dma_addr); |
1da177e4 LT |
8994 | |
8995 | if (!ipr_cmd) { | |
8996 | ipr_free_cmd_blks(ioa_cfg); | |
8997 | return -ENOMEM; | |
8998 | } | |
8999 | ||
9000 | memset(ipr_cmd, 0, sizeof(*ipr_cmd)); | |
9001 | ioa_cfg->ipr_cmnd_list[i] = ipr_cmd; | |
9002 | ioa_cfg->ipr_cmnd_list_dma[i] = dma_addr; | |
9003 | ||
9004 | ioarcb = &ipr_cmd->ioarcb; | |
a32c055f WB |
9005 | ipr_cmd->dma_addr = dma_addr; |
9006 | if (ioa_cfg->sis64) | |
9007 | ioarcb->a.ioarcb_host_pci_addr64 = cpu_to_be64(dma_addr); | |
9008 | else | |
9009 | ioarcb->a.ioarcb_host_pci_addr = cpu_to_be32(dma_addr); | |
9010 | ||
1da177e4 | 9011 | ioarcb->host_response_handle = cpu_to_be32(i << 2); |
a32c055f WB |
9012 | if (ioa_cfg->sis64) { |
9013 | ioarcb->u.sis64_addr_data.data_ioadl_addr = | |
9014 | cpu_to_be64(dma_addr + offsetof(struct ipr_cmnd, i.ioadl64)); | |
9015 | ioarcb->u.sis64_addr_data.ioasa_host_pci_addr = | |
96d21f00 | 9016 | cpu_to_be64(dma_addr + offsetof(struct ipr_cmnd, s.ioasa64)); |
a32c055f WB |
9017 | } else { |
9018 | ioarcb->write_ioadl_addr = | |
9019 | cpu_to_be32(dma_addr + offsetof(struct ipr_cmnd, i.ioadl)); | |
9020 | ioarcb->read_ioadl_addr = ioarcb->write_ioadl_addr; | |
9021 | ioarcb->ioasa_host_pci_addr = | |
96d21f00 | 9022 | cpu_to_be32(dma_addr + offsetof(struct ipr_cmnd, s.ioasa)); |
a32c055f | 9023 | } |
1da177e4 LT |
9024 | ioarcb->ioasa_len = cpu_to_be16(sizeof(struct ipr_ioasa)); |
9025 | ipr_cmd->cmd_index = i; | |
9026 | ipr_cmd->ioa_cfg = ioa_cfg; | |
9027 | ipr_cmd->sense_buffer_dma = dma_addr + | |
9028 | offsetof(struct ipr_cmnd, sense_buffer); | |
9029 | ||
05a6538a | 9030 | ipr_cmd->ioarcb.cmd_pkt.hrrq_id = hrrq_id; |
9031 | ipr_cmd->hrrq = &ioa_cfg->hrrq[hrrq_id]; | |
9032 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); | |
9033 | if (i >= ioa_cfg->hrrq[hrrq_id].max_cmd_id) | |
9034 | hrrq_id++; | |
1da177e4 LT |
9035 | } |
9036 | ||
9037 | return 0; | |
9038 | } | |
9039 | ||
9040 | /** | |
9041 | * ipr_alloc_mem - Allocate memory for an adapter | |
9042 | * @ioa_cfg: ioa config struct | |
9043 | * | |
9044 | * Return value: | |
9045 | * 0 on success / non-zero for error | |
9046 | **/ | |
6f039790 | 9047 | static int ipr_alloc_mem(struct ipr_ioa_cfg *ioa_cfg) |
1da177e4 LT |
9048 | { |
9049 | struct pci_dev *pdev = ioa_cfg->pdev; | |
9050 | int i, rc = -ENOMEM; | |
9051 | ||
9052 | ENTER; | |
0bc42e35 | 9053 | ioa_cfg->res_entries = kzalloc(sizeof(struct ipr_resource_entry) * |
3e7ebdfa | 9054 | ioa_cfg->max_devs_supported, GFP_KERNEL); |
1da177e4 LT |
9055 | |
9056 | if (!ioa_cfg->res_entries) | |
9057 | goto out; | |
9058 | ||
3e7ebdfa | 9059 | for (i = 0; i < ioa_cfg->max_devs_supported; i++) { |
1da177e4 | 9060 | list_add_tail(&ioa_cfg->res_entries[i].queue, &ioa_cfg->free_res_q); |
3e7ebdfa WB |
9061 | ioa_cfg->res_entries[i].ioa_cfg = ioa_cfg; |
9062 | } | |
1da177e4 LT |
9063 | |
9064 | ioa_cfg->vpd_cbs = pci_alloc_consistent(ioa_cfg->pdev, | |
9065 | sizeof(struct ipr_misc_cbs), | |
9066 | &ioa_cfg->vpd_cbs_dma); | |
9067 | ||
9068 | if (!ioa_cfg->vpd_cbs) | |
9069 | goto out_free_res_entries; | |
9070 | ||
9071 | if (ipr_alloc_cmd_blks(ioa_cfg)) | |
9072 | goto out_free_vpd_cbs; | |
9073 | ||
05a6538a | 9074 | for (i = 0; i < ioa_cfg->hrrq_num; i++) { |
9075 | ioa_cfg->hrrq[i].host_rrq = pci_alloc_consistent(ioa_cfg->pdev, | |
9076 | sizeof(u32) * ioa_cfg->hrrq[i].size, | |
9077 | &ioa_cfg->hrrq[i].host_rrq_dma); | |
9078 | ||
9079 | if (!ioa_cfg->hrrq[i].host_rrq) { | |
9080 | while (--i > 0) | |
9081 | pci_free_consistent(pdev, | |
9082 | sizeof(u32) * ioa_cfg->hrrq[i].size, | |
9083 | ioa_cfg->hrrq[i].host_rrq, | |
9084 | ioa_cfg->hrrq[i].host_rrq_dma); | |
9085 | goto out_ipr_free_cmd_blocks; | |
9086 | } | |
9087 | ioa_cfg->hrrq[i].ioa_cfg = ioa_cfg; | |
9088 | } | |
1da177e4 | 9089 | |
3e7ebdfa WB |
9090 | ioa_cfg->u.cfg_table = pci_alloc_consistent(ioa_cfg->pdev, |
9091 | ioa_cfg->cfg_table_size, | |
9092 | &ioa_cfg->cfg_table_dma); | |
1da177e4 | 9093 | |
3e7ebdfa | 9094 | if (!ioa_cfg->u.cfg_table) |
1da177e4 LT |
9095 | goto out_free_host_rrq; |
9096 | ||
9097 | for (i = 0; i < IPR_NUM_HCAMS; i++) { | |
9098 | ioa_cfg->hostrcb[i] = pci_alloc_consistent(ioa_cfg->pdev, | |
9099 | sizeof(struct ipr_hostrcb), | |
9100 | &ioa_cfg->hostrcb_dma[i]); | |
9101 | ||
9102 | if (!ioa_cfg->hostrcb[i]) | |
9103 | goto out_free_hostrcb_dma; | |
9104 | ||
9105 | ioa_cfg->hostrcb[i]->hostrcb_dma = | |
9106 | ioa_cfg->hostrcb_dma[i] + offsetof(struct ipr_hostrcb, hcam); | |
49dc6a18 | 9107 | ioa_cfg->hostrcb[i]->ioa_cfg = ioa_cfg; |
1da177e4 LT |
9108 | list_add_tail(&ioa_cfg->hostrcb[i]->queue, &ioa_cfg->hostrcb_free_q); |
9109 | } | |
9110 | ||
0bc42e35 | 9111 | ioa_cfg->trace = kzalloc(sizeof(struct ipr_trace_entry) * |
1da177e4 LT |
9112 | IPR_NUM_TRACE_ENTRIES, GFP_KERNEL); |
9113 | ||
9114 | if (!ioa_cfg->trace) | |
9115 | goto out_free_hostrcb_dma; | |
9116 | ||
1da177e4 LT |
9117 | rc = 0; |
9118 | out: | |
9119 | LEAVE; | |
9120 | return rc; | |
9121 | ||
9122 | out_free_hostrcb_dma: | |
9123 | while (i-- > 0) { | |
9124 | pci_free_consistent(pdev, sizeof(struct ipr_hostrcb), | |
9125 | ioa_cfg->hostrcb[i], | |
9126 | ioa_cfg->hostrcb_dma[i]); | |
9127 | } | |
3e7ebdfa WB |
9128 | pci_free_consistent(pdev, ioa_cfg->cfg_table_size, |
9129 | ioa_cfg->u.cfg_table, | |
9130 | ioa_cfg->cfg_table_dma); | |
1da177e4 | 9131 | out_free_host_rrq: |
05a6538a | 9132 | for (i = 0; i < ioa_cfg->hrrq_num; i++) { |
9133 | pci_free_consistent(pdev, | |
9134 | sizeof(u32) * ioa_cfg->hrrq[i].size, | |
9135 | ioa_cfg->hrrq[i].host_rrq, | |
9136 | ioa_cfg->hrrq[i].host_rrq_dma); | |
9137 | } | |
1da177e4 LT |
9138 | out_ipr_free_cmd_blocks: |
9139 | ipr_free_cmd_blks(ioa_cfg); | |
9140 | out_free_vpd_cbs: | |
9141 | pci_free_consistent(pdev, sizeof(struct ipr_misc_cbs), | |
9142 | ioa_cfg->vpd_cbs, ioa_cfg->vpd_cbs_dma); | |
9143 | out_free_res_entries: | |
9144 | kfree(ioa_cfg->res_entries); | |
9145 | goto out; | |
9146 | } | |
9147 | ||
9148 | /** | |
9149 | * ipr_initialize_bus_attr - Initialize SCSI bus attributes to default values | |
9150 | * @ioa_cfg: ioa config struct | |
9151 | * | |
9152 | * Return value: | |
9153 | * none | |
9154 | **/ | |
6f039790 | 9155 | static void ipr_initialize_bus_attr(struct ipr_ioa_cfg *ioa_cfg) |
1da177e4 LT |
9156 | { |
9157 | int i; | |
9158 | ||
9159 | for (i = 0; i < IPR_MAX_NUM_BUSES; i++) { | |
9160 | ioa_cfg->bus_attr[i].bus = i; | |
9161 | ioa_cfg->bus_attr[i].qas_enabled = 0; | |
9162 | ioa_cfg->bus_attr[i].bus_width = IPR_DEFAULT_BUS_WIDTH; | |
9163 | if (ipr_max_speed < ARRAY_SIZE(ipr_max_bus_speeds)) | |
9164 | ioa_cfg->bus_attr[i].max_xfer_rate = ipr_max_bus_speeds[ipr_max_speed]; | |
9165 | else | |
9166 | ioa_cfg->bus_attr[i].max_xfer_rate = IPR_U160_SCSI_RATE; | |
9167 | } | |
9168 | } | |
9169 | ||
6270e593 BK |
9170 | /** |
9171 | * ipr_init_regs - Initialize IOA registers | |
9172 | * @ioa_cfg: ioa config struct | |
9173 | * | |
9174 | * Return value: | |
9175 | * none | |
9176 | **/ | |
9177 | static void ipr_init_regs(struct ipr_ioa_cfg *ioa_cfg) | |
9178 | { | |
9179 | const struct ipr_interrupt_offsets *p; | |
9180 | struct ipr_interrupts *t; | |
9181 | void __iomem *base; | |
9182 | ||
9183 | p = &ioa_cfg->chip_cfg->regs; | |
9184 | t = &ioa_cfg->regs; | |
9185 | base = ioa_cfg->hdw_dma_regs; | |
9186 | ||
9187 | t->set_interrupt_mask_reg = base + p->set_interrupt_mask_reg; | |
9188 | t->clr_interrupt_mask_reg = base + p->clr_interrupt_mask_reg; | |
9189 | t->clr_interrupt_mask_reg32 = base + p->clr_interrupt_mask_reg32; | |
9190 | t->sense_interrupt_mask_reg = base + p->sense_interrupt_mask_reg; | |
9191 | t->sense_interrupt_mask_reg32 = base + p->sense_interrupt_mask_reg32; | |
9192 | t->clr_interrupt_reg = base + p->clr_interrupt_reg; | |
9193 | t->clr_interrupt_reg32 = base + p->clr_interrupt_reg32; | |
9194 | t->sense_interrupt_reg = base + p->sense_interrupt_reg; | |
9195 | t->sense_interrupt_reg32 = base + p->sense_interrupt_reg32; | |
9196 | t->ioarrin_reg = base + p->ioarrin_reg; | |
9197 | t->sense_uproc_interrupt_reg = base + p->sense_uproc_interrupt_reg; | |
9198 | t->sense_uproc_interrupt_reg32 = base + p->sense_uproc_interrupt_reg32; | |
9199 | t->set_uproc_interrupt_reg = base + p->set_uproc_interrupt_reg; | |
9200 | t->set_uproc_interrupt_reg32 = base + p->set_uproc_interrupt_reg32; | |
9201 | t->clr_uproc_interrupt_reg = base + p->clr_uproc_interrupt_reg; | |
9202 | t->clr_uproc_interrupt_reg32 = base + p->clr_uproc_interrupt_reg32; | |
9203 | ||
9204 | if (ioa_cfg->sis64) { | |
9205 | t->init_feedback_reg = base + p->init_feedback_reg; | |
9206 | t->dump_addr_reg = base + p->dump_addr_reg; | |
9207 | t->dump_data_reg = base + p->dump_data_reg; | |
9208 | t->endian_swap_reg = base + p->endian_swap_reg; | |
9209 | } | |
9210 | } | |
9211 | ||
1da177e4 LT |
9212 | /** |
9213 | * ipr_init_ioa_cfg - Initialize IOA config struct | |
9214 | * @ioa_cfg: ioa config struct | |
9215 | * @host: scsi host struct | |
9216 | * @pdev: PCI dev struct | |
9217 | * | |
9218 | * Return value: | |
9219 | * none | |
9220 | **/ | |
6f039790 GKH |
9221 | static void ipr_init_ioa_cfg(struct ipr_ioa_cfg *ioa_cfg, |
9222 | struct Scsi_Host *host, struct pci_dev *pdev) | |
1da177e4 | 9223 | { |
6270e593 | 9224 | int i; |
1da177e4 LT |
9225 | |
9226 | ioa_cfg->host = host; | |
9227 | ioa_cfg->pdev = pdev; | |
9228 | ioa_cfg->log_level = ipr_log_level; | |
3d1d0da6 | 9229 | ioa_cfg->doorbell = IPR_DOORBELL; |
1da177e4 LT |
9230 | sprintf(ioa_cfg->eye_catcher, IPR_EYECATCHER); |
9231 | sprintf(ioa_cfg->trace_start, IPR_TRACE_START_LABEL); | |
1da177e4 LT |
9232 | sprintf(ioa_cfg->cfg_table_start, IPR_CFG_TBL_START); |
9233 | sprintf(ioa_cfg->resource_table_label, IPR_RES_TABLE_LABEL); | |
9234 | sprintf(ioa_cfg->ipr_hcam_label, IPR_HCAM_LABEL); | |
9235 | sprintf(ioa_cfg->ipr_cmd_label, IPR_CMD_LABEL); | |
9236 | ||
1da177e4 LT |
9237 | INIT_LIST_HEAD(&ioa_cfg->hostrcb_free_q); |
9238 | INIT_LIST_HEAD(&ioa_cfg->hostrcb_pending_q); | |
9239 | INIT_LIST_HEAD(&ioa_cfg->free_res_q); | |
9240 | INIT_LIST_HEAD(&ioa_cfg->used_res_q); | |
c4028958 | 9241 | INIT_WORK(&ioa_cfg->work_q, ipr_worker_thread); |
1da177e4 | 9242 | init_waitqueue_head(&ioa_cfg->reset_wait_q); |
95fecd90 | 9243 | init_waitqueue_head(&ioa_cfg->msi_wait_q); |
6270e593 | 9244 | init_waitqueue_head(&ioa_cfg->eeh_wait_q); |
1da177e4 LT |
9245 | ioa_cfg->sdt_state = INACTIVE; |
9246 | ||
9247 | ipr_initialize_bus_attr(ioa_cfg); | |
3e7ebdfa | 9248 | ioa_cfg->max_devs_supported = ipr_max_devs; |
1da177e4 | 9249 | |
3e7ebdfa WB |
9250 | if (ioa_cfg->sis64) { |
9251 | host->max_id = IPR_MAX_SIS64_TARGETS_PER_BUS; | |
9252 | host->max_lun = IPR_MAX_SIS64_LUNS_PER_TARGET; | |
9253 | if (ipr_max_devs > IPR_MAX_SIS64_DEVS) | |
9254 | ioa_cfg->max_devs_supported = IPR_MAX_SIS64_DEVS; | |
6270e593 BK |
9255 | ioa_cfg->cfg_table_size = (sizeof(struct ipr_config_table_hdr64) |
9256 | + ((sizeof(struct ipr_config_table_entry64) | |
9257 | * ioa_cfg->max_devs_supported))); | |
3e7ebdfa WB |
9258 | } else { |
9259 | host->max_id = IPR_MAX_NUM_TARGETS_PER_BUS; | |
9260 | host->max_lun = IPR_MAX_NUM_LUNS_PER_TARGET; | |
9261 | if (ipr_max_devs > IPR_MAX_PHYSICAL_DEVS) | |
9262 | ioa_cfg->max_devs_supported = IPR_MAX_PHYSICAL_DEVS; | |
6270e593 BK |
9263 | ioa_cfg->cfg_table_size = (sizeof(struct ipr_config_table_hdr) |
9264 | + ((sizeof(struct ipr_config_table_entry) | |
9265 | * ioa_cfg->max_devs_supported))); | |
3e7ebdfa | 9266 | } |
6270e593 | 9267 | |
1da177e4 LT |
9268 | host->max_channel = IPR_MAX_BUS_TO_SCAN; |
9269 | host->unique_id = host->host_no; | |
9270 | host->max_cmd_len = IPR_MAX_CDB_LEN; | |
89aad428 | 9271 | host->can_queue = ioa_cfg->max_cmds; |
1da177e4 LT |
9272 | pci_set_drvdata(pdev, ioa_cfg); |
9273 | ||
6270e593 BK |
9274 | for (i = 0; i < ARRAY_SIZE(ioa_cfg->hrrq); i++) { |
9275 | INIT_LIST_HEAD(&ioa_cfg->hrrq[i].hrrq_free_q); | |
9276 | INIT_LIST_HEAD(&ioa_cfg->hrrq[i].hrrq_pending_q); | |
9277 | spin_lock_init(&ioa_cfg->hrrq[i]._lock); | |
9278 | if (i == 0) | |
9279 | ioa_cfg->hrrq[i].lock = ioa_cfg->host->host_lock; | |
9280 | else | |
9281 | ioa_cfg->hrrq[i].lock = &ioa_cfg->hrrq[i]._lock; | |
dcbad00e | 9282 | } |
1da177e4 LT |
9283 | } |
9284 | ||
9285 | /** | |
1be7bd82 | 9286 | * ipr_get_chip_info - Find adapter chip information |
1da177e4 LT |
9287 | * @dev_id: PCI device id struct |
9288 | * | |
9289 | * Return value: | |
1be7bd82 | 9290 | * ptr to chip information on success / NULL on failure |
1da177e4 | 9291 | **/ |
6f039790 | 9292 | static const struct ipr_chip_t * |
1be7bd82 | 9293 | ipr_get_chip_info(const struct pci_device_id *dev_id) |
1da177e4 LT |
9294 | { |
9295 | int i; | |
9296 | ||
1da177e4 LT |
9297 | for (i = 0; i < ARRAY_SIZE(ipr_chip); i++) |
9298 | if (ipr_chip[i].vendor == dev_id->vendor && | |
9299 | ipr_chip[i].device == dev_id->device) | |
1be7bd82 | 9300 | return &ipr_chip[i]; |
1da177e4 LT |
9301 | return NULL; |
9302 | } | |
9303 | ||
6270e593 BK |
9304 | /** |
9305 | * ipr_wait_for_pci_err_recovery - Wait for any PCI error recovery to complete | |
9306 | * during probe time | |
9307 | * @ioa_cfg: ioa config struct | |
9308 | * | |
9309 | * Return value: | |
9310 | * None | |
9311 | **/ | |
9312 | static void ipr_wait_for_pci_err_recovery(struct ipr_ioa_cfg *ioa_cfg) | |
9313 | { | |
9314 | struct pci_dev *pdev = ioa_cfg->pdev; | |
9315 | ||
9316 | if (pci_channel_offline(pdev)) { | |
9317 | wait_event_timeout(ioa_cfg->eeh_wait_q, | |
9318 | !pci_channel_offline(pdev), | |
9319 | IPR_PCI_ERROR_RECOVERY_TIMEOUT); | |
9320 | pci_restore_state(pdev); | |
9321 | } | |
9322 | } | |
9323 | ||
05a6538a | 9324 | static int ipr_enable_msix(struct ipr_ioa_cfg *ioa_cfg) |
9325 | { | |
9326 | struct msix_entry entries[IPR_MAX_MSIX_VECTORS]; | |
60e76b77 | 9327 | int i, vectors; |
05a6538a | 9328 | |
9329 | for (i = 0; i < ARRAY_SIZE(entries); ++i) | |
9330 | entries[i].entry = i; | |
9331 | ||
60e76b77 AG |
9332 | vectors = pci_enable_msix_range(ioa_cfg->pdev, |
9333 | entries, 1, ipr_number_of_msix); | |
9334 | if (vectors < 0) { | |
6270e593 | 9335 | ipr_wait_for_pci_err_recovery(ioa_cfg); |
60e76b77 | 9336 | return vectors; |
05a6538a | 9337 | } |
9338 | ||
60e76b77 AG |
9339 | for (i = 0; i < vectors; i++) |
9340 | ioa_cfg->vectors_info[i].vec = entries[i].vector; | |
9341 | ioa_cfg->nvectors = vectors; | |
05a6538a | 9342 | |
60e76b77 | 9343 | return 0; |
05a6538a | 9344 | } |
9345 | ||
9346 | static int ipr_enable_msi(struct ipr_ioa_cfg *ioa_cfg) | |
9347 | { | |
60e76b77 | 9348 | int i, vectors; |
05a6538a | 9349 | |
60e76b77 AG |
9350 | vectors = pci_enable_msi_range(ioa_cfg->pdev, 1, ipr_number_of_msix); |
9351 | if (vectors < 0) { | |
6270e593 | 9352 | ipr_wait_for_pci_err_recovery(ioa_cfg); |
60e76b77 | 9353 | return vectors; |
05a6538a | 9354 | } |
9355 | ||
60e76b77 AG |
9356 | for (i = 0; i < vectors; i++) |
9357 | ioa_cfg->vectors_info[i].vec = ioa_cfg->pdev->irq + i; | |
9358 | ioa_cfg->nvectors = vectors; | |
05a6538a | 9359 | |
60e76b77 | 9360 | return 0; |
05a6538a | 9361 | } |
9362 | ||
9363 | static void name_msi_vectors(struct ipr_ioa_cfg *ioa_cfg) | |
9364 | { | |
9365 | int vec_idx, n = sizeof(ioa_cfg->vectors_info[0].desc) - 1; | |
9366 | ||
9367 | for (vec_idx = 0; vec_idx < ioa_cfg->nvectors; vec_idx++) { | |
9368 | snprintf(ioa_cfg->vectors_info[vec_idx].desc, n, | |
9369 | "host%d-%d", ioa_cfg->host->host_no, vec_idx); | |
9370 | ioa_cfg->vectors_info[vec_idx]. | |
9371 | desc[strlen(ioa_cfg->vectors_info[vec_idx].desc)] = 0; | |
9372 | } | |
9373 | } | |
9374 | ||
9375 | static int ipr_request_other_msi_irqs(struct ipr_ioa_cfg *ioa_cfg) | |
9376 | { | |
9377 | int i, rc; | |
9378 | ||
9379 | for (i = 1; i < ioa_cfg->nvectors; i++) { | |
9380 | rc = request_irq(ioa_cfg->vectors_info[i].vec, | |
9381 | ipr_isr_mhrrq, | |
9382 | 0, | |
9383 | ioa_cfg->vectors_info[i].desc, | |
9384 | &ioa_cfg->hrrq[i]); | |
9385 | if (rc) { | |
9386 | while (--i >= 0) | |
9387 | free_irq(ioa_cfg->vectors_info[i].vec, | |
9388 | &ioa_cfg->hrrq[i]); | |
9389 | return rc; | |
9390 | } | |
9391 | } | |
9392 | return 0; | |
9393 | } | |
9394 | ||
95fecd90 WB |
9395 | /** |
9396 | * ipr_test_intr - Handle the interrupt generated in ipr_test_msi(). | |
9397 | * @pdev: PCI device struct | |
9398 | * | |
9399 | * Description: Simply set the msi_received flag to 1 indicating that | |
9400 | * Message Signaled Interrupts are supported. | |
9401 | * | |
9402 | * Return value: | |
9403 | * 0 on success / non-zero on failure | |
9404 | **/ | |
6f039790 | 9405 | static irqreturn_t ipr_test_intr(int irq, void *devp) |
95fecd90 WB |
9406 | { |
9407 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)devp; | |
9408 | unsigned long lock_flags = 0; | |
9409 | irqreturn_t rc = IRQ_HANDLED; | |
9410 | ||
05a6538a | 9411 | dev_info(&ioa_cfg->pdev->dev, "Received IRQ : %d\n", irq); |
95fecd90 WB |
9412 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); |
9413 | ||
9414 | ioa_cfg->msi_received = 1; | |
9415 | wake_up(&ioa_cfg->msi_wait_q); | |
9416 | ||
9417 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
9418 | return rc; | |
9419 | } | |
9420 | ||
9421 | /** | |
9422 | * ipr_test_msi - Test for Message Signaled Interrupt (MSI) support. | |
9423 | * @pdev: PCI device struct | |
9424 | * | |
60e76b77 | 9425 | * Description: The return value from pci_enable_msi_range() can not always be |
95fecd90 WB |
9426 | * trusted. This routine sets up and initiates a test interrupt to determine |
9427 | * if the interrupt is received via the ipr_test_intr() service routine. | |
9428 | * If the tests fails, the driver will fall back to LSI. | |
9429 | * | |
9430 | * Return value: | |
9431 | * 0 on success / non-zero on failure | |
9432 | **/ | |
6f039790 | 9433 | static int ipr_test_msi(struct ipr_ioa_cfg *ioa_cfg, struct pci_dev *pdev) |
95fecd90 WB |
9434 | { |
9435 | int rc; | |
9436 | volatile u32 int_reg; | |
9437 | unsigned long lock_flags = 0; | |
9438 | ||
9439 | ENTER; | |
9440 | ||
9441 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
9442 | init_waitqueue_head(&ioa_cfg->msi_wait_q); | |
9443 | ioa_cfg->msi_received = 0; | |
9444 | ipr_mask_and_clear_interrupts(ioa_cfg, ~IPR_PCII_IOA_TRANS_TO_OPER); | |
214777ba | 9445 | writel(IPR_PCII_IO_DEBUG_ACKNOWLEDGE, ioa_cfg->regs.clr_interrupt_mask_reg32); |
95fecd90 WB |
9446 | int_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg); |
9447 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
9448 | ||
f19799f4 | 9449 | if (ioa_cfg->intr_flag == IPR_USE_MSIX) |
9450 | rc = request_irq(ioa_cfg->vectors_info[0].vec, ipr_test_intr, 0, IPR_NAME, ioa_cfg); | |
9451 | else | |
9452 | rc = request_irq(pdev->irq, ipr_test_intr, 0, IPR_NAME, ioa_cfg); | |
95fecd90 WB |
9453 | if (rc) { |
9454 | dev_err(&pdev->dev, "Can not assign irq %d\n", pdev->irq); | |
9455 | return rc; | |
9456 | } else if (ipr_debug) | |
9457 | dev_info(&pdev->dev, "IRQ assigned: %d\n", pdev->irq); | |
9458 | ||
214777ba | 9459 | writel(IPR_PCII_IO_DEBUG_ACKNOWLEDGE, ioa_cfg->regs.sense_interrupt_reg32); |
95fecd90 WB |
9460 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg); |
9461 | wait_event_timeout(ioa_cfg->msi_wait_q, ioa_cfg->msi_received, HZ); | |
56d6aa33 | 9462 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); |
95fecd90 WB |
9463 | ipr_mask_and_clear_interrupts(ioa_cfg, ~IPR_PCII_IOA_TRANS_TO_OPER); |
9464 | ||
95fecd90 WB |
9465 | if (!ioa_cfg->msi_received) { |
9466 | /* MSI test failed */ | |
9467 | dev_info(&pdev->dev, "MSI test failed. Falling back to LSI.\n"); | |
9468 | rc = -EOPNOTSUPP; | |
9469 | } else if (ipr_debug) | |
9470 | dev_info(&pdev->dev, "MSI test succeeded.\n"); | |
9471 | ||
9472 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
9473 | ||
f19799f4 | 9474 | if (ioa_cfg->intr_flag == IPR_USE_MSIX) |
9475 | free_irq(ioa_cfg->vectors_info[0].vec, ioa_cfg); | |
9476 | else | |
9477 | free_irq(pdev->irq, ioa_cfg); | |
95fecd90 WB |
9478 | |
9479 | LEAVE; | |
9480 | ||
9481 | return rc; | |
9482 | } | |
9483 | ||
05a6538a | 9484 | /* ipr_probe_ioa - Allocates memory and does first stage of initialization |
1da177e4 LT |
9485 | * @pdev: PCI device struct |
9486 | * @dev_id: PCI device id struct | |
9487 | * | |
9488 | * Return value: | |
9489 | * 0 on success / non-zero on failure | |
9490 | **/ | |
6f039790 GKH |
9491 | static int ipr_probe_ioa(struct pci_dev *pdev, |
9492 | const struct pci_device_id *dev_id) | |
1da177e4 LT |
9493 | { |
9494 | struct ipr_ioa_cfg *ioa_cfg; | |
9495 | struct Scsi_Host *host; | |
9496 | unsigned long ipr_regs_pci; | |
9497 | void __iomem *ipr_regs; | |
a2a65a3e | 9498 | int rc = PCIBIOS_SUCCESSFUL; |
473b1e8e | 9499 | volatile u32 mask, uproc, interrupts; |
feccada9 | 9500 | unsigned long lock_flags, driver_lock_flags; |
1da177e4 LT |
9501 | |
9502 | ENTER; | |
9503 | ||
1da177e4 | 9504 | dev_info(&pdev->dev, "Found IOA with IRQ: %d\n", pdev->irq); |
1da177e4 LT |
9505 | host = scsi_host_alloc(&driver_template, sizeof(*ioa_cfg)); |
9506 | ||
9507 | if (!host) { | |
9508 | dev_err(&pdev->dev, "call to scsi_host_alloc failed!\n"); | |
9509 | rc = -ENOMEM; | |
6270e593 | 9510 | goto out; |
1da177e4 LT |
9511 | } |
9512 | ||
9513 | ioa_cfg = (struct ipr_ioa_cfg *)host->hostdata; | |
9514 | memset(ioa_cfg, 0, sizeof(struct ipr_ioa_cfg)); | |
8d8e7d13 | 9515 | ata_host_init(&ioa_cfg->ata_host, &pdev->dev, &ipr_sata_ops); |
1da177e4 | 9516 | |
1be7bd82 | 9517 | ioa_cfg->ipr_chip = ipr_get_chip_info(dev_id); |
1da177e4 | 9518 | |
1be7bd82 | 9519 | if (!ioa_cfg->ipr_chip) { |
1da177e4 LT |
9520 | dev_err(&pdev->dev, "Unknown adapter chipset 0x%04X 0x%04X\n", |
9521 | dev_id->vendor, dev_id->device); | |
9522 | goto out_scsi_host_put; | |
9523 | } | |
9524 | ||
a32c055f WB |
9525 | /* set SIS 32 or SIS 64 */ |
9526 | ioa_cfg->sis64 = ioa_cfg->ipr_chip->sis_type == IPR_SIS64 ? 1 : 0; | |
1be7bd82 | 9527 | ioa_cfg->chip_cfg = ioa_cfg->ipr_chip->cfg; |
7dd21308 | 9528 | ioa_cfg->clear_isr = ioa_cfg->chip_cfg->clear_isr; |
89aad428 | 9529 | ioa_cfg->max_cmds = ioa_cfg->chip_cfg->max_cmds; |
1be7bd82 | 9530 | |
5469cb5b BK |
9531 | if (ipr_transop_timeout) |
9532 | ioa_cfg->transop_timeout = ipr_transop_timeout; | |
9533 | else if (dev_id->driver_data & IPR_USE_LONG_TRANSOP_TIMEOUT) | |
9534 | ioa_cfg->transop_timeout = IPR_LONG_OPERATIONAL_TIMEOUT; | |
9535 | else | |
9536 | ioa_cfg->transop_timeout = IPR_OPERATIONAL_TIMEOUT; | |
9537 | ||
44c10138 | 9538 | ioa_cfg->revid = pdev->revision; |
463fc696 | 9539 | |
6270e593 BK |
9540 | ipr_init_ioa_cfg(ioa_cfg, host, pdev); |
9541 | ||
1da177e4 LT |
9542 | ipr_regs_pci = pci_resource_start(pdev, 0); |
9543 | ||
9544 | rc = pci_request_regions(pdev, IPR_NAME); | |
9545 | if (rc < 0) { | |
9546 | dev_err(&pdev->dev, | |
9547 | "Couldn't register memory range of registers\n"); | |
9548 | goto out_scsi_host_put; | |
9549 | } | |
9550 | ||
6270e593 BK |
9551 | rc = pci_enable_device(pdev); |
9552 | ||
9553 | if (rc || pci_channel_offline(pdev)) { | |
9554 | if (pci_channel_offline(pdev)) { | |
9555 | ipr_wait_for_pci_err_recovery(ioa_cfg); | |
9556 | rc = pci_enable_device(pdev); | |
9557 | } | |
9558 | ||
9559 | if (rc) { | |
9560 | dev_err(&pdev->dev, "Cannot enable adapter\n"); | |
9561 | ipr_wait_for_pci_err_recovery(ioa_cfg); | |
9562 | goto out_release_regions; | |
9563 | } | |
9564 | } | |
9565 | ||
25729a7f | 9566 | ipr_regs = pci_ioremap_bar(pdev, 0); |
1da177e4 LT |
9567 | |
9568 | if (!ipr_regs) { | |
9569 | dev_err(&pdev->dev, | |
9570 | "Couldn't map memory range of registers\n"); | |
9571 | rc = -ENOMEM; | |
6270e593 | 9572 | goto out_disable; |
1da177e4 LT |
9573 | } |
9574 | ||
9575 | ioa_cfg->hdw_dma_regs = ipr_regs; | |
9576 | ioa_cfg->hdw_dma_regs_pci = ipr_regs_pci; | |
9577 | ioa_cfg->ioa_mailbox = ioa_cfg->chip_cfg->mailbox + ipr_regs; | |
9578 | ||
6270e593 | 9579 | ipr_init_regs(ioa_cfg); |
1da177e4 | 9580 | |
a32c055f WB |
9581 | if (ioa_cfg->sis64) { |
9582 | rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); | |
9583 | if (rc < 0) { | |
9584 | dev_dbg(&pdev->dev, "Failed to set 64 bit PCI DMA mask\n"); | |
9585 | rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); | |
9586 | } | |
a32c055f WB |
9587 | } else |
9588 | rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); | |
9589 | ||
1da177e4 LT |
9590 | if (rc < 0) { |
9591 | dev_err(&pdev->dev, "Failed to set PCI DMA mask\n"); | |
9592 | goto cleanup_nomem; | |
9593 | } | |
9594 | ||
9595 | rc = pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, | |
9596 | ioa_cfg->chip_cfg->cache_line_size); | |
9597 | ||
9598 | if (rc != PCIBIOS_SUCCESSFUL) { | |
9599 | dev_err(&pdev->dev, "Write of cache line size failed\n"); | |
6270e593 | 9600 | ipr_wait_for_pci_err_recovery(ioa_cfg); |
1da177e4 LT |
9601 | rc = -EIO; |
9602 | goto cleanup_nomem; | |
9603 | } | |
9604 | ||
6270e593 BK |
9605 | /* Issue MMIO read to ensure card is not in EEH */ |
9606 | interrupts = readl(ioa_cfg->regs.sense_interrupt_reg); | |
9607 | ipr_wait_for_pci_err_recovery(ioa_cfg); | |
9608 | ||
05a6538a | 9609 | if (ipr_number_of_msix > IPR_MAX_MSIX_VECTORS) { |
9610 | dev_err(&pdev->dev, "The max number of MSIX is %d\n", | |
9611 | IPR_MAX_MSIX_VECTORS); | |
9612 | ipr_number_of_msix = IPR_MAX_MSIX_VECTORS; | |
9613 | } | |
9614 | ||
9615 | if (ioa_cfg->ipr_chip->intr_type == IPR_USE_MSI && | |
56d6aa33 | 9616 | ipr_enable_msix(ioa_cfg) == 0) |
05a6538a | 9617 | ioa_cfg->intr_flag = IPR_USE_MSIX; |
9618 | else if (ioa_cfg->ipr_chip->intr_type == IPR_USE_MSI && | |
56d6aa33 | 9619 | ipr_enable_msi(ioa_cfg) == 0) |
05a6538a | 9620 | ioa_cfg->intr_flag = IPR_USE_MSI; |
9621 | else { | |
9622 | ioa_cfg->intr_flag = IPR_USE_LSI; | |
9623 | ioa_cfg->nvectors = 1; | |
9624 | dev_info(&pdev->dev, "Cannot enable MSI.\n"); | |
9625 | } | |
9626 | ||
6270e593 BK |
9627 | pci_set_master(pdev); |
9628 | ||
9629 | if (pci_channel_offline(pdev)) { | |
9630 | ipr_wait_for_pci_err_recovery(ioa_cfg); | |
9631 | pci_set_master(pdev); | |
9632 | if (pci_channel_offline(pdev)) { | |
9633 | rc = -EIO; | |
9634 | goto out_msi_disable; | |
9635 | } | |
9636 | } | |
9637 | ||
05a6538a | 9638 | if (ioa_cfg->intr_flag == IPR_USE_MSI || |
9639 | ioa_cfg->intr_flag == IPR_USE_MSIX) { | |
95fecd90 | 9640 | rc = ipr_test_msi(ioa_cfg, pdev); |
05a6538a | 9641 | if (rc == -EOPNOTSUPP) { |
6270e593 | 9642 | ipr_wait_for_pci_err_recovery(ioa_cfg); |
05a6538a | 9643 | if (ioa_cfg->intr_flag == IPR_USE_MSI) { |
9644 | ioa_cfg->intr_flag &= ~IPR_USE_MSI; | |
9645 | pci_disable_msi(pdev); | |
9646 | } else if (ioa_cfg->intr_flag == IPR_USE_MSIX) { | |
9647 | ioa_cfg->intr_flag &= ~IPR_USE_MSIX; | |
9648 | pci_disable_msix(pdev); | |
9649 | } | |
9650 | ||
9651 | ioa_cfg->intr_flag = IPR_USE_LSI; | |
9652 | ioa_cfg->nvectors = 1; | |
9653 | } | |
95fecd90 WB |
9654 | else if (rc) |
9655 | goto out_msi_disable; | |
05a6538a | 9656 | else { |
9657 | if (ioa_cfg->intr_flag == IPR_USE_MSI) | |
9658 | dev_info(&pdev->dev, | |
9659 | "Request for %d MSIs succeeded with starting IRQ: %d\n", | |
9660 | ioa_cfg->nvectors, pdev->irq); | |
9661 | else if (ioa_cfg->intr_flag == IPR_USE_MSIX) | |
9662 | dev_info(&pdev->dev, | |
9663 | "Request for %d MSIXs succeeded.", | |
9664 | ioa_cfg->nvectors); | |
9665 | } | |
9666 | } | |
9667 | ||
9668 | ioa_cfg->hrrq_num = min3(ioa_cfg->nvectors, | |
9669 | (unsigned int)num_online_cpus(), | |
9670 | (unsigned int)IPR_MAX_HRRQ_NUM); | |
95fecd90 | 9671 | |
1da177e4 | 9672 | if ((rc = ipr_save_pcix_cmd_reg(ioa_cfg))) |
f170c684 | 9673 | goto out_msi_disable; |
1da177e4 LT |
9674 | |
9675 | if ((rc = ipr_set_pcix_cmd_reg(ioa_cfg))) | |
f170c684 | 9676 | goto out_msi_disable; |
1da177e4 LT |
9677 | |
9678 | rc = ipr_alloc_mem(ioa_cfg); | |
9679 | if (rc < 0) { | |
9680 | dev_err(&pdev->dev, | |
9681 | "Couldn't allocate enough memory for device driver!\n"); | |
f170c684 | 9682 | goto out_msi_disable; |
1da177e4 LT |
9683 | } |
9684 | ||
6270e593 BK |
9685 | /* Save away PCI config space for use following IOA reset */ |
9686 | rc = pci_save_state(pdev); | |
9687 | ||
9688 | if (rc != PCIBIOS_SUCCESSFUL) { | |
9689 | dev_err(&pdev->dev, "Failed to save PCI config space\n"); | |
9690 | rc = -EIO; | |
9691 | goto cleanup_nolog; | |
9692 | } | |
9693 | ||
ce155cce BK |
9694 | /* |
9695 | * If HRRQ updated interrupt is not masked, or reset alert is set, | |
9696 | * the card is in an unknown state and needs a hard reset | |
9697 | */ | |
214777ba WB |
9698 | mask = readl(ioa_cfg->regs.sense_interrupt_mask_reg32); |
9699 | interrupts = readl(ioa_cfg->regs.sense_interrupt_reg32); | |
9700 | uproc = readl(ioa_cfg->regs.sense_uproc_interrupt_reg32); | |
ce155cce BK |
9701 | if ((mask & IPR_PCII_HRRQ_UPDATED) == 0 || (uproc & IPR_UPROCI_RESET_ALERT)) |
9702 | ioa_cfg->needs_hard_reset = 1; | |
5d7c20b7 | 9703 | if ((interrupts & IPR_PCII_ERROR_INTERRUPTS) || reset_devices) |
473b1e8e BK |
9704 | ioa_cfg->needs_hard_reset = 1; |
9705 | if (interrupts & IPR_PCII_IOA_UNIT_CHECKED) | |
9706 | ioa_cfg->ioa_unit_checked = 1; | |
ce155cce | 9707 | |
56d6aa33 | 9708 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); |
1da177e4 | 9709 | ipr_mask_and_clear_interrupts(ioa_cfg, ~IPR_PCII_IOA_TRANS_TO_OPER); |
56d6aa33 | 9710 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
1da177e4 | 9711 | |
05a6538a | 9712 | if (ioa_cfg->intr_flag == IPR_USE_MSI |
9713 | || ioa_cfg->intr_flag == IPR_USE_MSIX) { | |
9714 | name_msi_vectors(ioa_cfg); | |
9715 | rc = request_irq(ioa_cfg->vectors_info[0].vec, ipr_isr, | |
9716 | 0, | |
9717 | ioa_cfg->vectors_info[0].desc, | |
9718 | &ioa_cfg->hrrq[0]); | |
9719 | if (!rc) | |
9720 | rc = ipr_request_other_msi_irqs(ioa_cfg); | |
9721 | } else { | |
9722 | rc = request_irq(pdev->irq, ipr_isr, | |
9723 | IRQF_SHARED, | |
9724 | IPR_NAME, &ioa_cfg->hrrq[0]); | |
9725 | } | |
1da177e4 LT |
9726 | if (rc) { |
9727 | dev_err(&pdev->dev, "Couldn't register IRQ %d! rc=%d\n", | |
9728 | pdev->irq, rc); | |
9729 | goto cleanup_nolog; | |
9730 | } | |
9731 | ||
463fc696 BK |
9732 | if ((dev_id->driver_data & IPR_USE_PCI_WARM_RESET) || |
9733 | (dev_id->device == PCI_DEVICE_ID_IBM_OBSIDIAN_E && !ioa_cfg->revid)) { | |
9734 | ioa_cfg->needs_warm_reset = 1; | |
9735 | ioa_cfg->reset = ipr_reset_slot_reset; | |
9736 | } else | |
9737 | ioa_cfg->reset = ipr_reset_start_bist; | |
9738 | ||
feccada9 | 9739 | spin_lock_irqsave(&ipr_driver_lock, driver_lock_flags); |
1da177e4 | 9740 | list_add_tail(&ioa_cfg->queue, &ipr_ioa_head); |
feccada9 | 9741 | spin_unlock_irqrestore(&ipr_driver_lock, driver_lock_flags); |
1da177e4 LT |
9742 | |
9743 | LEAVE; | |
9744 | out: | |
9745 | return rc; | |
9746 | ||
9747 | cleanup_nolog: | |
9748 | ipr_free_mem(ioa_cfg); | |
95fecd90 | 9749 | out_msi_disable: |
6270e593 | 9750 | ipr_wait_for_pci_err_recovery(ioa_cfg); |
05a6538a | 9751 | if (ioa_cfg->intr_flag == IPR_USE_MSI) |
9752 | pci_disable_msi(pdev); | |
9753 | else if (ioa_cfg->intr_flag == IPR_USE_MSIX) | |
9754 | pci_disable_msix(pdev); | |
f170c684 JL |
9755 | cleanup_nomem: |
9756 | iounmap(ipr_regs); | |
6270e593 BK |
9757 | out_disable: |
9758 | pci_disable_device(pdev); | |
1da177e4 LT |
9759 | out_release_regions: |
9760 | pci_release_regions(pdev); | |
9761 | out_scsi_host_put: | |
9762 | scsi_host_put(host); | |
1da177e4 LT |
9763 | goto out; |
9764 | } | |
9765 | ||
9766 | /** | |
9767 | * ipr_scan_vsets - Scans for VSET devices | |
9768 | * @ioa_cfg: ioa config struct | |
9769 | * | |
9770 | * Description: Since the VSET resources do not follow SAM in that we can have | |
9771 | * sparse LUNs with no LUN 0, we have to scan for these ourselves. | |
9772 | * | |
9773 | * Return value: | |
9774 | * none | |
9775 | **/ | |
9776 | static void ipr_scan_vsets(struct ipr_ioa_cfg *ioa_cfg) | |
9777 | { | |
9778 | int target, lun; | |
9779 | ||
9780 | for (target = 0; target < IPR_MAX_NUM_TARGETS_PER_BUS; target++) | |
203fa3fe | 9781 | for (lun = 0; lun < IPR_MAX_NUM_VSET_LUNS_PER_TARGET; lun++) |
1da177e4 LT |
9782 | scsi_add_device(ioa_cfg->host, IPR_VSET_BUS, target, lun); |
9783 | } | |
9784 | ||
9785 | /** | |
9786 | * ipr_initiate_ioa_bringdown - Bring down an adapter | |
9787 | * @ioa_cfg: ioa config struct | |
9788 | * @shutdown_type: shutdown type | |
9789 | * | |
9790 | * Description: This function will initiate bringing down the adapter. | |
9791 | * This consists of issuing an IOA shutdown to the adapter | |
9792 | * to flush the cache, and running BIST. | |
9793 | * If the caller needs to wait on the completion of the reset, | |
9794 | * the caller must sleep on the reset_wait_q. | |
9795 | * | |
9796 | * Return value: | |
9797 | * none | |
9798 | **/ | |
9799 | static void ipr_initiate_ioa_bringdown(struct ipr_ioa_cfg *ioa_cfg, | |
9800 | enum ipr_shutdown_type shutdown_type) | |
9801 | { | |
9802 | ENTER; | |
9803 | if (ioa_cfg->sdt_state == WAIT_FOR_DUMP) | |
9804 | ioa_cfg->sdt_state = ABORT_DUMP; | |
9805 | ioa_cfg->reset_retries = 0; | |
9806 | ioa_cfg->in_ioa_bringdown = 1; | |
9807 | ipr_initiate_ioa_reset(ioa_cfg, shutdown_type); | |
9808 | LEAVE; | |
9809 | } | |
9810 | ||
9811 | /** | |
9812 | * __ipr_remove - Remove a single adapter | |
9813 | * @pdev: pci device struct | |
9814 | * | |
9815 | * Adapter hot plug remove entry point. | |
9816 | * | |
9817 | * Return value: | |
9818 | * none | |
9819 | **/ | |
9820 | static void __ipr_remove(struct pci_dev *pdev) | |
9821 | { | |
9822 | unsigned long host_lock_flags = 0; | |
9823 | struct ipr_ioa_cfg *ioa_cfg = pci_get_drvdata(pdev); | |
bfae7820 | 9824 | int i; |
feccada9 | 9825 | unsigned long driver_lock_flags; |
1da177e4 LT |
9826 | ENTER; |
9827 | ||
9828 | spin_lock_irqsave(ioa_cfg->host->host_lock, host_lock_flags); | |
203fa3fe | 9829 | while (ioa_cfg->in_reset_reload) { |
970ea294 BK |
9830 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, host_lock_flags); |
9831 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
9832 | spin_lock_irqsave(ioa_cfg->host->host_lock, host_lock_flags); | |
9833 | } | |
9834 | ||
bfae7820 BK |
9835 | for (i = 0; i < ioa_cfg->hrrq_num; i++) { |
9836 | spin_lock(&ioa_cfg->hrrq[i]._lock); | |
9837 | ioa_cfg->hrrq[i].removing_ioa = 1; | |
9838 | spin_unlock(&ioa_cfg->hrrq[i]._lock); | |
9839 | } | |
9840 | wmb(); | |
1da177e4 LT |
9841 | ipr_initiate_ioa_bringdown(ioa_cfg, IPR_SHUTDOWN_NORMAL); |
9842 | ||
9843 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, host_lock_flags); | |
9844 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
43829731 | 9845 | flush_work(&ioa_cfg->work_q); |
9077a944 | 9846 | INIT_LIST_HEAD(&ioa_cfg->used_res_q); |
1da177e4 LT |
9847 | spin_lock_irqsave(ioa_cfg->host->host_lock, host_lock_flags); |
9848 | ||
feccada9 | 9849 | spin_lock_irqsave(&ipr_driver_lock, driver_lock_flags); |
1da177e4 | 9850 | list_del(&ioa_cfg->queue); |
feccada9 | 9851 | spin_unlock_irqrestore(&ipr_driver_lock, driver_lock_flags); |
1da177e4 LT |
9852 | |
9853 | if (ioa_cfg->sdt_state == ABORT_DUMP) | |
9854 | ioa_cfg->sdt_state = WAIT_FOR_DUMP; | |
9855 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, host_lock_flags); | |
9856 | ||
9857 | ipr_free_all_resources(ioa_cfg); | |
9858 | ||
9859 | LEAVE; | |
9860 | } | |
9861 | ||
9862 | /** | |
9863 | * ipr_remove - IOA hot plug remove entry point | |
9864 | * @pdev: pci device struct | |
9865 | * | |
9866 | * Adapter hot plug remove entry point. | |
9867 | * | |
9868 | * Return value: | |
9869 | * none | |
9870 | **/ | |
6f039790 | 9871 | static void ipr_remove(struct pci_dev *pdev) |
1da177e4 LT |
9872 | { |
9873 | struct ipr_ioa_cfg *ioa_cfg = pci_get_drvdata(pdev); | |
9874 | ||
9875 | ENTER; | |
9876 | ||
ee959b00 | 9877 | ipr_remove_trace_file(&ioa_cfg->host->shost_dev.kobj, |
1da177e4 | 9878 | &ipr_trace_attr); |
ee959b00 | 9879 | ipr_remove_dump_file(&ioa_cfg->host->shost_dev.kobj, |
1da177e4 LT |
9880 | &ipr_dump_attr); |
9881 | scsi_remove_host(ioa_cfg->host); | |
9882 | ||
9883 | __ipr_remove(pdev); | |
9884 | ||
9885 | LEAVE; | |
9886 | } | |
9887 | ||
9888 | /** | |
9889 | * ipr_probe - Adapter hot plug add entry point | |
9890 | * | |
9891 | * Return value: | |
9892 | * 0 on success / non-zero on failure | |
9893 | **/ | |
6f039790 | 9894 | static int ipr_probe(struct pci_dev *pdev, const struct pci_device_id *dev_id) |
1da177e4 LT |
9895 | { |
9896 | struct ipr_ioa_cfg *ioa_cfg; | |
b53d124a | 9897 | int rc, i; |
1da177e4 LT |
9898 | |
9899 | rc = ipr_probe_ioa(pdev, dev_id); | |
9900 | ||
9901 | if (rc) | |
9902 | return rc; | |
9903 | ||
9904 | ioa_cfg = pci_get_drvdata(pdev); | |
9905 | rc = ipr_probe_ioa_part2(ioa_cfg); | |
9906 | ||
9907 | if (rc) { | |
9908 | __ipr_remove(pdev); | |
9909 | return rc; | |
9910 | } | |
9911 | ||
9912 | rc = scsi_add_host(ioa_cfg->host, &pdev->dev); | |
9913 | ||
9914 | if (rc) { | |
9915 | __ipr_remove(pdev); | |
9916 | return rc; | |
9917 | } | |
9918 | ||
ee959b00 | 9919 | rc = ipr_create_trace_file(&ioa_cfg->host->shost_dev.kobj, |
1da177e4 LT |
9920 | &ipr_trace_attr); |
9921 | ||
9922 | if (rc) { | |
9923 | scsi_remove_host(ioa_cfg->host); | |
9924 | __ipr_remove(pdev); | |
9925 | return rc; | |
9926 | } | |
9927 | ||
ee959b00 | 9928 | rc = ipr_create_dump_file(&ioa_cfg->host->shost_dev.kobj, |
1da177e4 LT |
9929 | &ipr_dump_attr); |
9930 | ||
9931 | if (rc) { | |
ee959b00 | 9932 | ipr_remove_trace_file(&ioa_cfg->host->shost_dev.kobj, |
1da177e4 LT |
9933 | &ipr_trace_attr); |
9934 | scsi_remove_host(ioa_cfg->host); | |
9935 | __ipr_remove(pdev); | |
9936 | return rc; | |
9937 | } | |
9938 | ||
9939 | scsi_scan_host(ioa_cfg->host); | |
9940 | ipr_scan_vsets(ioa_cfg); | |
9941 | scsi_add_device(ioa_cfg->host, IPR_IOA_BUS, IPR_IOA_TARGET, IPR_IOA_LUN); | |
9942 | ioa_cfg->allow_ml_add_del = 1; | |
11cd8f12 | 9943 | ioa_cfg->host->max_channel = IPR_VSET_BUS; |
b53d124a | 9944 | ioa_cfg->iopoll_weight = ioa_cfg->chip_cfg->iopoll_weight; |
9945 | ||
89f8b33c | 9946 | if (ioa_cfg->iopoll_weight && ioa_cfg->sis64 && ioa_cfg->nvectors > 1) { |
b53d124a | 9947 | for (i = 1; i < ioa_cfg->hrrq_num; i++) { |
9948 | blk_iopoll_init(&ioa_cfg->hrrq[i].iopoll, | |
9949 | ioa_cfg->iopoll_weight, ipr_iopoll); | |
9950 | blk_iopoll_enable(&ioa_cfg->hrrq[i].iopoll); | |
9951 | } | |
9952 | } | |
9953 | ||
1da177e4 LT |
9954 | schedule_work(&ioa_cfg->work_q); |
9955 | return 0; | |
9956 | } | |
9957 | ||
9958 | /** | |
9959 | * ipr_shutdown - Shutdown handler. | |
d18c3db5 | 9960 | * @pdev: pci device struct |
1da177e4 LT |
9961 | * |
9962 | * This function is invoked upon system shutdown/reboot. It will issue | |
9963 | * an adapter shutdown to the adapter to flush the write cache. | |
9964 | * | |
9965 | * Return value: | |
9966 | * none | |
9967 | **/ | |
d18c3db5 | 9968 | static void ipr_shutdown(struct pci_dev *pdev) |
1da177e4 | 9969 | { |
d18c3db5 | 9970 | struct ipr_ioa_cfg *ioa_cfg = pci_get_drvdata(pdev); |
1da177e4 | 9971 | unsigned long lock_flags = 0; |
b53d124a | 9972 | int i; |
1da177e4 LT |
9973 | |
9974 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
89f8b33c | 9975 | if (ioa_cfg->iopoll_weight && ioa_cfg->sis64 && ioa_cfg->nvectors > 1) { |
b53d124a | 9976 | ioa_cfg->iopoll_weight = 0; |
9977 | for (i = 1; i < ioa_cfg->hrrq_num; i++) | |
9978 | blk_iopoll_disable(&ioa_cfg->hrrq[i].iopoll); | |
9979 | } | |
9980 | ||
203fa3fe | 9981 | while (ioa_cfg->in_reset_reload) { |
970ea294 BK |
9982 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
9983 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
9984 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
9985 | } | |
9986 | ||
1da177e4 LT |
9987 | ipr_initiate_ioa_bringdown(ioa_cfg, IPR_SHUTDOWN_NORMAL); |
9988 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
9989 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
9990 | } | |
9991 | ||
6f039790 | 9992 | static struct pci_device_id ipr_pci_table[] = { |
1da177e4 | 9993 | { PCI_VENDOR_ID_MYLEX, PCI_DEVICE_ID_IBM_GEMSTONE, |
6d84c944 | 9994 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_5702, 0, 0, 0 }, |
1da177e4 | 9995 | { PCI_VENDOR_ID_MYLEX, PCI_DEVICE_ID_IBM_GEMSTONE, |
6d84c944 | 9996 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_5703, 0, 0, 0 }, |
1da177e4 | 9997 | { PCI_VENDOR_ID_MYLEX, PCI_DEVICE_ID_IBM_GEMSTONE, |
6d84c944 | 9998 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_573D, 0, 0, 0 }, |
1da177e4 | 9999 | { PCI_VENDOR_ID_MYLEX, PCI_DEVICE_ID_IBM_GEMSTONE, |
6d84c944 | 10000 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_573E, 0, 0, 0 }, |
1da177e4 | 10001 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CITRINE, |
6d84c944 | 10002 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_571B, 0, 0, 0 }, |
1da177e4 | 10003 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CITRINE, |
6d84c944 | 10004 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572E, 0, 0, 0 }, |
1da177e4 | 10005 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CITRINE, |
6d84c944 | 10006 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_571A, 0, 0, 0 }, |
86f51436 | 10007 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CITRINE, |
5469cb5b BK |
10008 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_575B, 0, 0, |
10009 | IPR_USE_LONG_TRANSOP_TIMEOUT }, | |
86f51436 | 10010 | { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN, |
6d84c944 | 10011 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572A, 0, 0, 0 }, |
86f51436 | 10012 | { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN, |
22d2e402 BK |
10013 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572B, 0, 0, |
10014 | IPR_USE_LONG_TRANSOP_TIMEOUT }, | |
60e7486b | 10015 | { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN, |
5469cb5b BK |
10016 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_575C, 0, 0, |
10017 | IPR_USE_LONG_TRANSOP_TIMEOUT }, | |
86f51436 | 10018 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN, |
6d84c944 | 10019 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572A, 0, 0, 0 }, |
86f51436 | 10020 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN, |
22d2e402 BK |
10021 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572B, 0, 0, |
10022 | IPR_USE_LONG_TRANSOP_TIMEOUT}, | |
60e7486b | 10023 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN, |
5469cb5b BK |
10024 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_575C, 0, 0, |
10025 | IPR_USE_LONG_TRANSOP_TIMEOUT }, | |
185eb31c | 10026 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E, |
22d2e402 BK |
10027 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_574E, 0, 0, |
10028 | IPR_USE_LONG_TRANSOP_TIMEOUT }, | |
185eb31c BK |
10029 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E, |
10030 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B3, 0, 0, 0 }, | |
b0f56d3d WB |
10031 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E, |
10032 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57CC, 0, 0, 0 }, | |
60e7486b | 10033 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E, |
5469cb5b | 10034 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B7, 0, 0, |
463fc696 | 10035 | IPR_USE_LONG_TRANSOP_TIMEOUT | IPR_USE_PCI_WARM_RESET }, |
1da177e4 | 10036 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_SNIPE, |
6d84c944 | 10037 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_2780, 0, 0, 0 }, |
1da177e4 | 10038 | { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP, |
6d84c944 | 10039 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_571E, 0, 0, 0 }, |
86f51436 | 10040 | { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP, |
5469cb5b BK |
10041 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_571F, 0, 0, |
10042 | IPR_USE_LONG_TRANSOP_TIMEOUT }, | |
60e7486b | 10043 | { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP, |
5469cb5b BK |
10044 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572F, 0, 0, |
10045 | IPR_USE_LONG_TRANSOP_TIMEOUT }, | |
d7b4627f WB |
10046 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_FPGA_E2, |
10047 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B5, 0, 0, 0 }, | |
10048 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_FPGA_E2, | |
10049 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_574D, 0, 0, 0 }, | |
10050 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_FPGA_E2, | |
10051 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B2, 0, 0, 0 }, | |
b8d5d568 | 10052 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_FPGA_E2, |
10053 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57C0, 0, 0, 0 }, | |
5a918353 WB |
10054 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_FPGA_E2, |
10055 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57C3, 0, 0, 0 }, | |
32622bde WB |
10056 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_FPGA_E2, |
10057 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57C4, 0, 0, 0 }, | |
cd9b3d04 | 10058 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, |
d7b4627f | 10059 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B4, 0, 0, 0 }, |
cd9b3d04 | 10060 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, |
d7b4627f | 10061 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B1, 0, 0, 0 }, |
cd9b3d04 | 10062 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, |
d7b4627f | 10063 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57C6, 0, 0, 0 }, |
cd9b3d04 WB |
10064 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, |
10065 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57C8, 0, 0, 0 }, | |
10066 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, | |
d7b4627f | 10067 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57CE, 0, 0, 0 }, |
b8d5d568 | 10068 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, |
10069 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57D5, 0, 0, 0 }, | |
10070 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, | |
10071 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57D6, 0, 0, 0 }, | |
10072 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, | |
10073 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57D7, 0, 0, 0 }, | |
10074 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, | |
10075 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57D8, 0, 0, 0 }, | |
43c5fdaf | 10076 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, |
10077 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57D9, 0, 0, 0 }, | |
10078 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, | |
f94d9964 WX |
10079 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57DA, 0, 0, 0 }, |
10080 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, | |
43c5fdaf | 10081 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57EB, 0, 0, 0 }, |
10082 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, | |
10083 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57EC, 0, 0, 0 }, | |
10084 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, | |
10085 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57ED, 0, 0, 0 }, | |
10086 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, | |
10087 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57EE, 0, 0, 0 }, | |
10088 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, | |
10089 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57EF, 0, 0, 0 }, | |
10090 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, | |
10091 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57F0, 0, 0, 0 }, | |
5eeac3e9 WX |
10092 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, |
10093 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_2CCA, 0, 0, 0 }, | |
10094 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, | |
10095 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_2CD2, 0, 0, 0 }, | |
10096 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, | |
10097 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_2CCD, 0, 0, 0 }, | |
1da177e4 LT |
10098 | { } |
10099 | }; | |
10100 | MODULE_DEVICE_TABLE(pci, ipr_pci_table); | |
10101 | ||
a55b2d21 | 10102 | static const struct pci_error_handlers ipr_err_handler = { |
f8a88b19 | 10103 | .error_detected = ipr_pci_error_detected, |
6270e593 | 10104 | .mmio_enabled = ipr_pci_mmio_enabled, |
f8a88b19 LV |
10105 | .slot_reset = ipr_pci_slot_reset, |
10106 | }; | |
10107 | ||
1da177e4 LT |
10108 | static struct pci_driver ipr_driver = { |
10109 | .name = IPR_NAME, | |
10110 | .id_table = ipr_pci_table, | |
10111 | .probe = ipr_probe, | |
6f039790 | 10112 | .remove = ipr_remove, |
d18c3db5 | 10113 | .shutdown = ipr_shutdown, |
f8a88b19 | 10114 | .err_handler = &ipr_err_handler, |
1da177e4 LT |
10115 | }; |
10116 | ||
f72919ec WB |
10117 | /** |
10118 | * ipr_halt_done - Shutdown prepare completion | |
10119 | * | |
10120 | * Return value: | |
10121 | * none | |
10122 | **/ | |
10123 | static void ipr_halt_done(struct ipr_cmnd *ipr_cmd) | |
10124 | { | |
05a6538a | 10125 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
f72919ec WB |
10126 | } |
10127 | ||
10128 | /** | |
10129 | * ipr_halt - Issue shutdown prepare to all adapters | |
10130 | * | |
10131 | * Return value: | |
10132 | * NOTIFY_OK on success / NOTIFY_DONE on failure | |
10133 | **/ | |
10134 | static int ipr_halt(struct notifier_block *nb, ulong event, void *buf) | |
10135 | { | |
10136 | struct ipr_cmnd *ipr_cmd; | |
10137 | struct ipr_ioa_cfg *ioa_cfg; | |
feccada9 | 10138 | unsigned long flags = 0, driver_lock_flags; |
f72919ec WB |
10139 | |
10140 | if (event != SYS_RESTART && event != SYS_HALT && event != SYS_POWER_OFF) | |
10141 | return NOTIFY_DONE; | |
10142 | ||
feccada9 | 10143 | spin_lock_irqsave(&ipr_driver_lock, driver_lock_flags); |
f72919ec WB |
10144 | |
10145 | list_for_each_entry(ioa_cfg, &ipr_ioa_head, queue) { | |
10146 | spin_lock_irqsave(ioa_cfg->host->host_lock, flags); | |
56d6aa33 | 10147 | if (!ioa_cfg->hrrq[IPR_INIT_HRRQ].allow_cmds) { |
f72919ec WB |
10148 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); |
10149 | continue; | |
10150 | } | |
10151 | ||
10152 | ipr_cmd = ipr_get_free_ipr_cmnd(ioa_cfg); | |
10153 | ipr_cmd->ioarcb.res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE); | |
10154 | ipr_cmd->ioarcb.cmd_pkt.request_type = IPR_RQTYPE_IOACMD; | |
10155 | ipr_cmd->ioarcb.cmd_pkt.cdb[0] = IPR_IOA_SHUTDOWN; | |
10156 | ipr_cmd->ioarcb.cmd_pkt.cdb[1] = IPR_SHUTDOWN_PREPARE_FOR_NORMAL; | |
10157 | ||
10158 | ipr_do_req(ipr_cmd, ipr_halt_done, ipr_timeout, IPR_DEVICE_RESET_TIMEOUT); | |
10159 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); | |
10160 | } | |
feccada9 | 10161 | spin_unlock_irqrestore(&ipr_driver_lock, driver_lock_flags); |
f72919ec WB |
10162 | |
10163 | return NOTIFY_OK; | |
10164 | } | |
10165 | ||
10166 | static struct notifier_block ipr_notifier = { | |
10167 | ipr_halt, NULL, 0 | |
10168 | }; | |
10169 | ||
1da177e4 LT |
10170 | /** |
10171 | * ipr_init - Module entry point | |
10172 | * | |
10173 | * Return value: | |
10174 | * 0 on success / negative value on failure | |
10175 | **/ | |
10176 | static int __init ipr_init(void) | |
10177 | { | |
10178 | ipr_info("IBM Power RAID SCSI Device Driver version: %s %s\n", | |
10179 | IPR_DRIVER_VERSION, IPR_DRIVER_DATE); | |
10180 | ||
f72919ec | 10181 | register_reboot_notifier(&ipr_notifier); |
dcbccbde | 10182 | return pci_register_driver(&ipr_driver); |
1da177e4 LT |
10183 | } |
10184 | ||
10185 | /** | |
10186 | * ipr_exit - Module unload | |
10187 | * | |
10188 | * Module unload entry point. | |
10189 | * | |
10190 | * Return value: | |
10191 | * none | |
10192 | **/ | |
10193 | static void __exit ipr_exit(void) | |
10194 | { | |
f72919ec | 10195 | unregister_reboot_notifier(&ipr_notifier); |
1da177e4 LT |
10196 | pci_unregister_driver(&ipr_driver); |
10197 | } | |
10198 | ||
10199 | module_init(ipr_init); | |
10200 | module_exit(ipr_exit); |