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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); |
223 | MODULE_PARM_DESC(number_of_msix, "Specify the number of MSIX interrupts to use on capable adapters (1 - 5). (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 LT |
283 | "8009: Impending cache battery pack failure"}, |
284 | {0x02040400, 0, 0, | |
285 | "34FF: Disk device format in progress"}, | |
65f56475 BK |
286 | {0x02048000, 0, IPR_DEFAULT_LOG_LEVEL, |
287 | "9070: IOA requested reset"}, | |
1da177e4 LT |
288 | {0x023F0000, 0, 0, |
289 | "Synchronization required"}, | |
290 | {0x024E0000, 0, 0, | |
291 | "No ready, IOA shutdown"}, | |
292 | {0x025A0000, 0, 0, | |
293 | "Not ready, IOA has been shutdown"}, | |
933916f3 | 294 | {0x02670100, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 LT |
295 | "3020: Storage subsystem configuration error"}, |
296 | {0x03110B00, 0, 0, | |
297 | "FFF5: Medium error, data unreadable, recommend reassign"}, | |
298 | {0x03110C00, 0, 0, | |
299 | "7000: Medium error, data unreadable, do not reassign"}, | |
933916f3 | 300 | {0x03310000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 301 | "FFF3: Disk media format bad"}, |
933916f3 | 302 | {0x04050000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 303 | "3002: Addressed device failed to respond to selection"}, |
933916f3 | 304 | {0x04080000, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 305 | "3100: Device bus error"}, |
933916f3 | 306 | {0x04080100, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 LT |
307 | "3109: IOA timed out a device command"}, |
308 | {0x04088000, 0, 0, | |
309 | "3120: SCSI bus is not operational"}, | |
933916f3 | 310 | {0x04088100, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 311 | "4100: Hard device bus fabric error"}, |
5aa3a333 WB |
312 | {0x04100100, 0, IPR_DEFAULT_LOG_LEVEL, |
313 | "310C: Logical block guard error detected by the device"}, | |
314 | {0x04100300, 0, IPR_DEFAULT_LOG_LEVEL, | |
315 | "310C: Logical block reference tag error detected by the device"}, | |
316 | {0x04108300, 1, IPR_DEFAULT_LOG_LEVEL, | |
317 | "4170: Scatter list tag / sequence number error"}, | |
318 | {0x04109000, 1, IPR_DEFAULT_LOG_LEVEL, | |
319 | "8150: Logical block CRC error on IOA to Host transfer"}, | |
320 | {0x04109200, 1, IPR_DEFAULT_LOG_LEVEL, | |
321 | "4170: Logical block sequence number error on IOA to Host transfer"}, | |
322 | {0x0410A000, 0, IPR_DEFAULT_LOG_LEVEL, | |
323 | "310D: Logical block reference tag error detected by the IOA"}, | |
324 | {0x0410A100, 0, IPR_DEFAULT_LOG_LEVEL, | |
325 | "310D: Logical block guard error detected by the IOA"}, | |
933916f3 | 326 | {0x04118000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 327 | "9000: IOA reserved area data check"}, |
933916f3 | 328 | {0x04118100, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 329 | "9001: IOA reserved area invalid data pattern"}, |
933916f3 | 330 | {0x04118200, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 331 | "9002: IOA reserved area LRC error"}, |
5aa3a333 WB |
332 | {0x04118300, 1, IPR_DEFAULT_LOG_LEVEL, |
333 | "Hardware Error, IOA metadata access error"}, | |
933916f3 | 334 | {0x04320000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 335 | "102E: Out of alternate sectors for disk storage"}, |
933916f3 | 336 | {0x04330000, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 337 | "FFF4: Data transfer underlength error"}, |
933916f3 | 338 | {0x04338000, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 339 | "FFF4: Data transfer overlength error"}, |
933916f3 | 340 | {0x043E0100, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 341 | "3400: Logical unit failure"}, |
933916f3 | 342 | {0x04408500, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 343 | "FFF4: Device microcode is corrupt"}, |
933916f3 | 344 | {0x04418000, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 LT |
345 | "8150: PCI bus error"}, |
346 | {0x04430000, 1, 0, | |
347 | "Unsupported device bus message received"}, | |
933916f3 | 348 | {0x04440000, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 349 | "FFF4: Disk device problem"}, |
933916f3 | 350 | {0x04448200, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 351 | "8150: Permanent IOA failure"}, |
933916f3 | 352 | {0x04448300, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 353 | "3010: Disk device returned wrong response to IOA"}, |
933916f3 | 354 | {0x04448400, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 LT |
355 | "8151: IOA microcode error"}, |
356 | {0x04448500, 0, 0, | |
357 | "Device bus status error"}, | |
933916f3 | 358 | {0x04448600, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 359 | "8157: IOA error requiring IOA reset to recover"}, |
35a39691 BK |
360 | {0x04448700, 0, 0, |
361 | "ATA device status error"}, | |
1da177e4 LT |
362 | {0x04490000, 0, 0, |
363 | "Message reject received from the device"}, | |
933916f3 | 364 | {0x04449200, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 365 | "8008: A permanent cache battery pack failure occurred"}, |
933916f3 | 366 | {0x0444A000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 367 | "9090: Disk unit has been modified after the last known status"}, |
933916f3 | 368 | {0x0444A200, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 369 | "9081: IOA detected device error"}, |
933916f3 | 370 | {0x0444A300, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 371 | "9082: IOA detected device error"}, |
933916f3 | 372 | {0x044A0000, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 373 | "3110: Device bus error, message or command phase"}, |
933916f3 | 374 | {0x044A8000, 1, IPR_DEFAULT_LOG_LEVEL, |
35a39691 | 375 | "3110: SAS Command / Task Management Function failed"}, |
933916f3 | 376 | {0x04670400, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 377 | "9091: Incorrect hardware configuration change has been detected"}, |
933916f3 | 378 | {0x04678000, 0, IPR_DEFAULT_LOG_LEVEL, |
b0df54bb | 379 | "9073: Invalid multi-adapter configuration"}, |
933916f3 | 380 | {0x04678100, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 381 | "4010: Incorrect connection between cascaded expanders"}, |
933916f3 | 382 | {0x04678200, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 383 | "4020: Connections exceed IOA design limits"}, |
933916f3 | 384 | {0x04678300, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 385 | "4030: Incorrect multipath connection"}, |
933916f3 | 386 | {0x04679000, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 387 | "4110: Unsupported enclosure function"}, |
933916f3 | 388 | {0x046E0000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 LT |
389 | "FFF4: Command to logical unit failed"}, |
390 | {0x05240000, 1, 0, | |
391 | "Illegal request, invalid request type or request packet"}, | |
392 | {0x05250000, 0, 0, | |
393 | "Illegal request, invalid resource handle"}, | |
b0df54bb BK |
394 | {0x05258000, 0, 0, |
395 | "Illegal request, commands not allowed to this device"}, | |
396 | {0x05258100, 0, 0, | |
397 | "Illegal request, command not allowed to a secondary adapter"}, | |
5aa3a333 WB |
398 | {0x05258200, 0, 0, |
399 | "Illegal request, command not allowed to a non-optimized resource"}, | |
1da177e4 LT |
400 | {0x05260000, 0, 0, |
401 | "Illegal request, invalid field in parameter list"}, | |
402 | {0x05260100, 0, 0, | |
403 | "Illegal request, parameter not supported"}, | |
404 | {0x05260200, 0, 0, | |
405 | "Illegal request, parameter value invalid"}, | |
406 | {0x052C0000, 0, 0, | |
407 | "Illegal request, command sequence error"}, | |
b0df54bb BK |
408 | {0x052C8000, 1, 0, |
409 | "Illegal request, dual adapter support not enabled"}, | |
933916f3 | 410 | {0x06040500, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 411 | "9031: Array protection temporarily suspended, protection resuming"}, |
933916f3 | 412 | {0x06040600, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 413 | "9040: Array protection temporarily suspended, protection resuming"}, |
933916f3 | 414 | {0x06288000, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 415 | "3140: Device bus not ready to ready transition"}, |
933916f3 | 416 | {0x06290000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 LT |
417 | "FFFB: SCSI bus was reset"}, |
418 | {0x06290500, 0, 0, | |
419 | "FFFE: SCSI bus transition to single ended"}, | |
420 | {0x06290600, 0, 0, | |
421 | "FFFE: SCSI bus transition to LVD"}, | |
933916f3 | 422 | {0x06298000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 423 | "FFFB: SCSI bus was reset by another initiator"}, |
933916f3 | 424 | {0x063F0300, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 425 | "3029: A device replacement has occurred"}, |
933916f3 | 426 | {0x064C8000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 427 | "9051: IOA cache data exists for a missing or failed device"}, |
933916f3 | 428 | {0x064C8100, 0, IPR_DEFAULT_LOG_LEVEL, |
b0df54bb | 429 | "9055: Auxiliary cache IOA contains cache data needed by the primary IOA"}, |
933916f3 | 430 | {0x06670100, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 431 | "9025: Disk unit is not supported at its physical location"}, |
933916f3 | 432 | {0x06670600, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 433 | "3020: IOA detected a SCSI bus configuration error"}, |
933916f3 | 434 | {0x06678000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 435 | "3150: SCSI bus configuration error"}, |
933916f3 | 436 | {0x06678100, 0, IPR_DEFAULT_LOG_LEVEL, |
b0df54bb | 437 | "9074: Asymmetric advanced function disk configuration"}, |
933916f3 | 438 | {0x06678300, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 439 | "4040: Incomplete multipath connection between IOA and enclosure"}, |
933916f3 | 440 | {0x06678400, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 441 | "4041: Incomplete multipath connection between enclosure and device"}, |
933916f3 | 442 | {0x06678500, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 443 | "9075: Incomplete multipath connection between IOA and remote IOA"}, |
933916f3 | 444 | {0x06678600, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 445 | "9076: Configuration error, missing remote IOA"}, |
933916f3 | 446 | {0x06679100, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 447 | "4050: Enclosure does not support a required multipath function"}, |
b75424fc WB |
448 | {0x06690000, 0, IPR_DEFAULT_LOG_LEVEL, |
449 | "4070: Logically bad block written on device"}, | |
933916f3 | 450 | {0x06690200, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 451 | "9041: Array protection temporarily suspended"}, |
933916f3 | 452 | {0x06698200, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 453 | "9042: Corrupt array parity detected on specified device"}, |
933916f3 | 454 | {0x066B0200, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 455 | "9030: Array no longer protected due to missing or failed disk unit"}, |
933916f3 | 456 | {0x066B8000, 0, IPR_DEFAULT_LOG_LEVEL, |
b0df54bb | 457 | "9071: Link operational transition"}, |
933916f3 | 458 | {0x066B8100, 0, IPR_DEFAULT_LOG_LEVEL, |
b0df54bb | 459 | "9072: Link not operational transition"}, |
933916f3 | 460 | {0x066B8200, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 461 | "9032: Array exposed but still protected"}, |
e435340c BK |
462 | {0x066B8300, 0, IPR_DEFAULT_LOG_LEVEL + 1, |
463 | "70DD: Device forced failed by disrupt device command"}, | |
933916f3 | 464 | {0x066B9100, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 465 | "4061: Multipath redundancy level got better"}, |
933916f3 | 466 | {0x066B9200, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 467 | "4060: Multipath redundancy level got worse"}, |
1da177e4 LT |
468 | {0x07270000, 0, 0, |
469 | "Failure due to other device"}, | |
933916f3 | 470 | {0x07278000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 471 | "9008: IOA does not support functions expected by devices"}, |
933916f3 | 472 | {0x07278100, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 473 | "9010: Cache data associated with attached devices cannot be found"}, |
933916f3 | 474 | {0x07278200, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 475 | "9011: Cache data belongs to devices other than those attached"}, |
933916f3 | 476 | {0x07278400, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 477 | "9020: Array missing 2 or more devices with only 1 device present"}, |
933916f3 | 478 | {0x07278500, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 479 | "9021: Array missing 2 or more devices with 2 or more devices present"}, |
933916f3 | 480 | {0x07278600, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 481 | "9022: Exposed array is missing a required device"}, |
933916f3 | 482 | {0x07278700, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 483 | "9023: Array member(s) not at required physical locations"}, |
933916f3 | 484 | {0x07278800, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 485 | "9024: Array not functional due to present hardware configuration"}, |
933916f3 | 486 | {0x07278900, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 487 | "9026: Array not functional due to present hardware configuration"}, |
933916f3 | 488 | {0x07278A00, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 489 | "9027: Array is missing a device and parity is out of sync"}, |
933916f3 | 490 | {0x07278B00, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 491 | "9028: Maximum number of arrays already exist"}, |
933916f3 | 492 | {0x07278C00, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 493 | "9050: Required cache data cannot be located for a disk unit"}, |
933916f3 | 494 | {0x07278D00, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 495 | "9052: Cache data exists for a device that has been modified"}, |
933916f3 | 496 | {0x07278F00, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 497 | "9054: IOA resources not available due to previous problems"}, |
933916f3 | 498 | {0x07279100, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 499 | "9092: Disk unit requires initialization before use"}, |
933916f3 | 500 | {0x07279200, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 501 | "9029: Incorrect hardware configuration change has been detected"}, |
933916f3 | 502 | {0x07279600, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 503 | "9060: One or more disk pairs are missing from an array"}, |
933916f3 | 504 | {0x07279700, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 505 | "9061: One or more disks are missing from an array"}, |
933916f3 | 506 | {0x07279800, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 507 | "9062: One or more disks are missing from an array"}, |
933916f3 | 508 | {0x07279900, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 LT |
509 | "9063: Maximum number of functional arrays has been exceeded"}, |
510 | {0x0B260000, 0, 0, | |
511 | "Aborted command, invalid descriptor"}, | |
512 | {0x0B5A0000, 0, 0, | |
513 | "Command terminated by host"} | |
514 | }; | |
515 | ||
516 | static const struct ipr_ses_table_entry ipr_ses_table[] = { | |
517 | { "2104-DL1 ", "XXXXXXXXXXXXXXXX", 80 }, | |
518 | { "2104-TL1 ", "XXXXXXXXXXXXXXXX", 80 }, | |
519 | { "HSBP07M P U2SCSI", "XXXXXXXXXXXXXXXX", 80 }, /* Hidive 7 slot */ | |
520 | { "HSBP05M P U2SCSI", "XXXXXXXXXXXXXXXX", 80 }, /* Hidive 5 slot */ | |
521 | { "HSBP05M S U2SCSI", "XXXXXXXXXXXXXXXX", 80 }, /* Bowtie */ | |
522 | { "HSBP06E ASU2SCSI", "XXXXXXXXXXXXXXXX", 80 }, /* MartinFenning */ | |
523 | { "2104-DU3 ", "XXXXXXXXXXXXXXXX", 160 }, | |
524 | { "2104-TU3 ", "XXXXXXXXXXXXXXXX", 160 }, | |
525 | { "HSBP04C RSU2SCSI", "XXXXXXX*XXXXXXXX", 160 }, | |
526 | { "HSBP06E RSU2SCSI", "XXXXXXX*XXXXXXXX", 160 }, | |
527 | { "St V1S2 ", "XXXXXXXXXXXXXXXX", 160 }, | |
528 | { "HSBPD4M PU3SCSI", "XXXXXXX*XXXXXXXX", 160 }, | |
529 | { "VSBPD1H U3SCSI", "XXXXXXX*XXXXXXXX", 160 } | |
530 | }; | |
531 | ||
532 | /* | |
533 | * Function Prototypes | |
534 | */ | |
535 | static int ipr_reset_alert(struct ipr_cmnd *); | |
536 | static void ipr_process_ccn(struct ipr_cmnd *); | |
537 | static void ipr_process_error(struct ipr_cmnd *); | |
538 | static void ipr_reset_ioa_job(struct ipr_cmnd *); | |
539 | static void ipr_initiate_ioa_reset(struct ipr_ioa_cfg *, | |
540 | enum ipr_shutdown_type); | |
541 | ||
542 | #ifdef CONFIG_SCSI_IPR_TRACE | |
543 | /** | |
544 | * ipr_trc_hook - Add a trace entry to the driver trace | |
545 | * @ipr_cmd: ipr command struct | |
546 | * @type: trace type | |
547 | * @add_data: additional data | |
548 | * | |
549 | * Return value: | |
550 | * none | |
551 | **/ | |
552 | static void ipr_trc_hook(struct ipr_cmnd *ipr_cmd, | |
553 | u8 type, u32 add_data) | |
554 | { | |
555 | struct ipr_trace_entry *trace_entry; | |
556 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
557 | ||
56d6aa33 | 558 | trace_entry = &ioa_cfg->trace[atomic_add_return |
559 | (1, &ioa_cfg->trace_index)%IPR_NUM_TRACE_ENTRIES]; | |
1da177e4 LT |
560 | trace_entry->time = jiffies; |
561 | trace_entry->op_code = ipr_cmd->ioarcb.cmd_pkt.cdb[0]; | |
562 | trace_entry->type = type; | |
a32c055f WB |
563 | if (ipr_cmd->ioa_cfg->sis64) |
564 | trace_entry->ata_op_code = ipr_cmd->i.ata_ioadl.regs.command; | |
565 | else | |
566 | trace_entry->ata_op_code = ipr_cmd->ioarcb.u.add_data.u.regs.command; | |
35a39691 | 567 | trace_entry->cmd_index = ipr_cmd->cmd_index & 0xff; |
1da177e4 LT |
568 | trace_entry->res_handle = ipr_cmd->ioarcb.res_handle; |
569 | trace_entry->u.add_data = add_data; | |
56d6aa33 | 570 | wmb(); |
1da177e4 LT |
571 | } |
572 | #else | |
203fa3fe | 573 | #define ipr_trc_hook(ipr_cmd, type, add_data) do { } while (0) |
1da177e4 LT |
574 | #endif |
575 | ||
172cd6e1 BK |
576 | /** |
577 | * ipr_lock_and_done - Acquire lock and complete command | |
578 | * @ipr_cmd: ipr command struct | |
579 | * | |
580 | * Return value: | |
581 | * none | |
582 | **/ | |
583 | static void ipr_lock_and_done(struct ipr_cmnd *ipr_cmd) | |
584 | { | |
585 | unsigned long lock_flags; | |
586 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
587 | ||
588 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
589 | ipr_cmd->done(ipr_cmd); | |
590 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
591 | } | |
592 | ||
1da177e4 LT |
593 | /** |
594 | * ipr_reinit_ipr_cmnd - Re-initialize an IPR Cmnd block for reuse | |
595 | * @ipr_cmd: ipr command struct | |
596 | * | |
597 | * Return value: | |
598 | * none | |
599 | **/ | |
600 | static void ipr_reinit_ipr_cmnd(struct ipr_cmnd *ipr_cmd) | |
601 | { | |
602 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
96d21f00 WB |
603 | struct ipr_ioasa *ioasa = &ipr_cmd->s.ioasa; |
604 | struct ipr_ioasa64 *ioasa64 = &ipr_cmd->s.ioasa64; | |
a32c055f | 605 | dma_addr_t dma_addr = ipr_cmd->dma_addr; |
05a6538a | 606 | int hrrq_id; |
1da177e4 | 607 | |
05a6538a | 608 | hrrq_id = ioarcb->cmd_pkt.hrrq_id; |
1da177e4 | 609 | memset(&ioarcb->cmd_pkt, 0, sizeof(struct ipr_cmd_pkt)); |
05a6538a | 610 | ioarcb->cmd_pkt.hrrq_id = hrrq_id; |
a32c055f | 611 | ioarcb->data_transfer_length = 0; |
1da177e4 | 612 | ioarcb->read_data_transfer_length = 0; |
a32c055f | 613 | ioarcb->ioadl_len = 0; |
1da177e4 | 614 | ioarcb->read_ioadl_len = 0; |
a32c055f | 615 | |
96d21f00 | 616 | if (ipr_cmd->ioa_cfg->sis64) { |
a32c055f WB |
617 | ioarcb->u.sis64_addr_data.data_ioadl_addr = |
618 | cpu_to_be64(dma_addr + offsetof(struct ipr_cmnd, i.ioadl64)); | |
96d21f00 WB |
619 | ioasa64->u.gata.status = 0; |
620 | } else { | |
a32c055f WB |
621 | ioarcb->write_ioadl_addr = |
622 | cpu_to_be32(dma_addr + offsetof(struct ipr_cmnd, i.ioadl)); | |
623 | ioarcb->read_ioadl_addr = ioarcb->write_ioadl_addr; | |
96d21f00 | 624 | ioasa->u.gata.status = 0; |
a32c055f WB |
625 | } |
626 | ||
96d21f00 WB |
627 | ioasa->hdr.ioasc = 0; |
628 | ioasa->hdr.residual_data_len = 0; | |
1da177e4 | 629 | ipr_cmd->scsi_cmd = NULL; |
35a39691 | 630 | ipr_cmd->qc = NULL; |
1da177e4 LT |
631 | ipr_cmd->sense_buffer[0] = 0; |
632 | ipr_cmd->dma_use_sg = 0; | |
633 | } | |
634 | ||
635 | /** | |
636 | * ipr_init_ipr_cmnd - Initialize an IPR Cmnd block | |
637 | * @ipr_cmd: ipr command struct | |
638 | * | |
639 | * Return value: | |
640 | * none | |
641 | **/ | |
172cd6e1 BK |
642 | static void ipr_init_ipr_cmnd(struct ipr_cmnd *ipr_cmd, |
643 | void (*fast_done) (struct ipr_cmnd *)) | |
1da177e4 LT |
644 | { |
645 | ipr_reinit_ipr_cmnd(ipr_cmd); | |
646 | ipr_cmd->u.scratch = 0; | |
647 | ipr_cmd->sibling = NULL; | |
172cd6e1 | 648 | ipr_cmd->fast_done = fast_done; |
1da177e4 LT |
649 | init_timer(&ipr_cmd->timer); |
650 | } | |
651 | ||
652 | /** | |
00bfef2c | 653 | * __ipr_get_free_ipr_cmnd - Get a free IPR Cmnd block |
1da177e4 LT |
654 | * @ioa_cfg: ioa config struct |
655 | * | |
656 | * Return value: | |
657 | * pointer to ipr command struct | |
658 | **/ | |
659 | static | |
05a6538a | 660 | struct ipr_cmnd *__ipr_get_free_ipr_cmnd(struct ipr_hrr_queue *hrrq) |
1da177e4 | 661 | { |
05a6538a | 662 | struct ipr_cmnd *ipr_cmd = NULL; |
663 | ||
664 | if (likely(!list_empty(&hrrq->hrrq_free_q))) { | |
665 | ipr_cmd = list_entry(hrrq->hrrq_free_q.next, | |
666 | struct ipr_cmnd, queue); | |
667 | list_del(&ipr_cmd->queue); | |
668 | } | |
1da177e4 | 669 | |
1da177e4 LT |
670 | |
671 | return ipr_cmd; | |
672 | } | |
673 | ||
00bfef2c BK |
674 | /** |
675 | * ipr_get_free_ipr_cmnd - Get a free IPR Cmnd block and initialize it | |
676 | * @ioa_cfg: ioa config struct | |
677 | * | |
678 | * Return value: | |
679 | * pointer to ipr command struct | |
680 | **/ | |
681 | static | |
682 | struct ipr_cmnd *ipr_get_free_ipr_cmnd(struct ipr_ioa_cfg *ioa_cfg) | |
683 | { | |
05a6538a | 684 | struct ipr_cmnd *ipr_cmd = |
685 | __ipr_get_free_ipr_cmnd(&ioa_cfg->hrrq[IPR_INIT_HRRQ]); | |
172cd6e1 | 686 | ipr_init_ipr_cmnd(ipr_cmd, ipr_lock_and_done); |
00bfef2c BK |
687 | return ipr_cmd; |
688 | } | |
689 | ||
1da177e4 LT |
690 | /** |
691 | * ipr_mask_and_clear_interrupts - Mask all and clear specified interrupts | |
692 | * @ioa_cfg: ioa config struct | |
693 | * @clr_ints: interrupts to clear | |
694 | * | |
695 | * This function masks all interrupts on the adapter, then clears the | |
696 | * interrupts specified in the mask | |
697 | * | |
698 | * Return value: | |
699 | * none | |
700 | **/ | |
701 | static void ipr_mask_and_clear_interrupts(struct ipr_ioa_cfg *ioa_cfg, | |
702 | u32 clr_ints) | |
703 | { | |
704 | volatile u32 int_reg; | |
56d6aa33 | 705 | int i; |
1da177e4 LT |
706 | |
707 | /* Stop new interrupts */ | |
56d6aa33 | 708 | for (i = 0; i < ioa_cfg->hrrq_num; i++) { |
709 | spin_lock(&ioa_cfg->hrrq[i]._lock); | |
710 | ioa_cfg->hrrq[i].allow_interrupts = 0; | |
711 | spin_unlock(&ioa_cfg->hrrq[i]._lock); | |
712 | } | |
713 | wmb(); | |
1da177e4 LT |
714 | |
715 | /* Set interrupt mask to stop all new interrupts */ | |
214777ba WB |
716 | if (ioa_cfg->sis64) |
717 | writeq(~0, ioa_cfg->regs.set_interrupt_mask_reg); | |
718 | else | |
719 | writel(~0, ioa_cfg->regs.set_interrupt_mask_reg); | |
1da177e4 LT |
720 | |
721 | /* Clear any pending interrupts */ | |
214777ba WB |
722 | if (ioa_cfg->sis64) |
723 | writel(~0, ioa_cfg->regs.clr_interrupt_reg); | |
724 | writel(clr_ints, ioa_cfg->regs.clr_interrupt_reg32); | |
1da177e4 LT |
725 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg); |
726 | } | |
727 | ||
728 | /** | |
729 | * ipr_save_pcix_cmd_reg - Save PCI-X command register | |
730 | * @ioa_cfg: ioa config struct | |
731 | * | |
732 | * Return value: | |
733 | * 0 on success / -EIO on failure | |
734 | **/ | |
735 | static int ipr_save_pcix_cmd_reg(struct ipr_ioa_cfg *ioa_cfg) | |
736 | { | |
737 | int pcix_cmd_reg = pci_find_capability(ioa_cfg->pdev, PCI_CAP_ID_PCIX); | |
738 | ||
7dce0e1c BK |
739 | if (pcix_cmd_reg == 0) |
740 | return 0; | |
1da177e4 LT |
741 | |
742 | if (pci_read_config_word(ioa_cfg->pdev, pcix_cmd_reg + PCI_X_CMD, | |
743 | &ioa_cfg->saved_pcix_cmd_reg) != PCIBIOS_SUCCESSFUL) { | |
744 | dev_err(&ioa_cfg->pdev->dev, "Failed to save PCI-X command register\n"); | |
745 | return -EIO; | |
746 | } | |
747 | ||
748 | ioa_cfg->saved_pcix_cmd_reg |= PCI_X_CMD_DPERR_E | PCI_X_CMD_ERO; | |
749 | return 0; | |
750 | } | |
751 | ||
752 | /** | |
753 | * ipr_set_pcix_cmd_reg - Setup PCI-X command register | |
754 | * @ioa_cfg: ioa config struct | |
755 | * | |
756 | * Return value: | |
757 | * 0 on success / -EIO on failure | |
758 | **/ | |
759 | static int ipr_set_pcix_cmd_reg(struct ipr_ioa_cfg *ioa_cfg) | |
760 | { | |
761 | int pcix_cmd_reg = pci_find_capability(ioa_cfg->pdev, PCI_CAP_ID_PCIX); | |
762 | ||
763 | if (pcix_cmd_reg) { | |
764 | if (pci_write_config_word(ioa_cfg->pdev, pcix_cmd_reg + PCI_X_CMD, | |
765 | ioa_cfg->saved_pcix_cmd_reg) != PCIBIOS_SUCCESSFUL) { | |
766 | dev_err(&ioa_cfg->pdev->dev, "Failed to setup PCI-X command register\n"); | |
767 | return -EIO; | |
768 | } | |
1da177e4 LT |
769 | } |
770 | ||
771 | return 0; | |
772 | } | |
773 | ||
35a39691 BK |
774 | /** |
775 | * ipr_sata_eh_done - done function for aborted SATA commands | |
776 | * @ipr_cmd: ipr command struct | |
777 | * | |
778 | * This function is invoked for ops generated to SATA | |
779 | * devices which are being aborted. | |
780 | * | |
781 | * Return value: | |
782 | * none | |
783 | **/ | |
784 | static void ipr_sata_eh_done(struct ipr_cmnd *ipr_cmd) | |
785 | { | |
35a39691 BK |
786 | struct ata_queued_cmd *qc = ipr_cmd->qc; |
787 | struct ipr_sata_port *sata_port = qc->ap->private_data; | |
788 | ||
789 | qc->err_mask |= AC_ERR_OTHER; | |
790 | sata_port->ioasa.status |= ATA_BUSY; | |
05a6538a | 791 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
35a39691 BK |
792 | ata_qc_complete(qc); |
793 | } | |
794 | ||
1da177e4 LT |
795 | /** |
796 | * ipr_scsi_eh_done - mid-layer done function for aborted ops | |
797 | * @ipr_cmd: ipr command struct | |
798 | * | |
799 | * This function is invoked by the interrupt handler for | |
800 | * ops generated by the SCSI mid-layer which are being aborted. | |
801 | * | |
802 | * Return value: | |
803 | * none | |
804 | **/ | |
805 | static void ipr_scsi_eh_done(struct ipr_cmnd *ipr_cmd) | |
806 | { | |
1da177e4 LT |
807 | struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd; |
808 | ||
809 | scsi_cmd->result |= (DID_ERROR << 16); | |
810 | ||
63015bc9 | 811 | scsi_dma_unmap(ipr_cmd->scsi_cmd); |
1da177e4 | 812 | scsi_cmd->scsi_done(scsi_cmd); |
05a6538a | 813 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
1da177e4 LT |
814 | } |
815 | ||
816 | /** | |
817 | * ipr_fail_all_ops - Fails all outstanding ops. | |
818 | * @ioa_cfg: ioa config struct | |
819 | * | |
820 | * This function fails all outstanding ops. | |
821 | * | |
822 | * Return value: | |
823 | * none | |
824 | **/ | |
825 | static void ipr_fail_all_ops(struct ipr_ioa_cfg *ioa_cfg) | |
826 | { | |
827 | struct ipr_cmnd *ipr_cmd, *temp; | |
05a6538a | 828 | struct ipr_hrr_queue *hrrq; |
1da177e4 LT |
829 | |
830 | ENTER; | |
05a6538a | 831 | for_each_hrrq(hrrq, ioa_cfg) { |
56d6aa33 | 832 | spin_lock(&hrrq->_lock); |
05a6538a | 833 | list_for_each_entry_safe(ipr_cmd, |
834 | temp, &hrrq->hrrq_pending_q, queue) { | |
835 | list_del(&ipr_cmd->queue); | |
1da177e4 | 836 | |
05a6538a | 837 | ipr_cmd->s.ioasa.hdr.ioasc = |
838 | cpu_to_be32(IPR_IOASC_IOA_WAS_RESET); | |
839 | ipr_cmd->s.ioasa.hdr.ilid = | |
840 | cpu_to_be32(IPR_DRIVER_ILID); | |
1da177e4 | 841 | |
05a6538a | 842 | if (ipr_cmd->scsi_cmd) |
843 | ipr_cmd->done = ipr_scsi_eh_done; | |
844 | else if (ipr_cmd->qc) | |
845 | ipr_cmd->done = ipr_sata_eh_done; | |
1da177e4 | 846 | |
05a6538a | 847 | ipr_trc_hook(ipr_cmd, IPR_TRACE_FINISH, |
848 | IPR_IOASC_IOA_WAS_RESET); | |
849 | del_timer(&ipr_cmd->timer); | |
850 | ipr_cmd->done(ipr_cmd); | |
851 | } | |
56d6aa33 | 852 | spin_unlock(&hrrq->_lock); |
1da177e4 | 853 | } |
1da177e4 LT |
854 | LEAVE; |
855 | } | |
856 | ||
a32c055f WB |
857 | /** |
858 | * ipr_send_command - Send driver initiated requests. | |
859 | * @ipr_cmd: ipr command struct | |
860 | * | |
861 | * This function sends a command to the adapter using the correct write call. | |
862 | * In the case of sis64, calculate the ioarcb size required. Then or in the | |
863 | * appropriate bits. | |
864 | * | |
865 | * Return value: | |
866 | * none | |
867 | **/ | |
868 | static void ipr_send_command(struct ipr_cmnd *ipr_cmd) | |
869 | { | |
870 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
871 | dma_addr_t send_dma_addr = ipr_cmd->dma_addr; | |
872 | ||
873 | if (ioa_cfg->sis64) { | |
874 | /* The default size is 256 bytes */ | |
875 | send_dma_addr |= 0x1; | |
876 | ||
877 | /* If the number of ioadls * size of ioadl > 128 bytes, | |
878 | then use a 512 byte ioarcb */ | |
879 | if (ipr_cmd->dma_use_sg * sizeof(struct ipr_ioadl64_desc) > 128 ) | |
880 | send_dma_addr |= 0x4; | |
881 | writeq(send_dma_addr, ioa_cfg->regs.ioarrin_reg); | |
882 | } else | |
883 | writel(send_dma_addr, ioa_cfg->regs.ioarrin_reg); | |
884 | } | |
885 | ||
1da177e4 LT |
886 | /** |
887 | * ipr_do_req - Send driver initiated requests. | |
888 | * @ipr_cmd: ipr command struct | |
889 | * @done: done function | |
890 | * @timeout_func: timeout function | |
891 | * @timeout: timeout value | |
892 | * | |
893 | * This function sends the specified command to the adapter with the | |
894 | * timeout given. The done function is invoked on command completion. | |
895 | * | |
896 | * Return value: | |
897 | * none | |
898 | **/ | |
899 | static void ipr_do_req(struct ipr_cmnd *ipr_cmd, | |
900 | void (*done) (struct ipr_cmnd *), | |
901 | void (*timeout_func) (struct ipr_cmnd *), u32 timeout) | |
902 | { | |
05a6538a | 903 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_pending_q); |
1da177e4 LT |
904 | |
905 | ipr_cmd->done = done; | |
906 | ||
907 | ipr_cmd->timer.data = (unsigned long) ipr_cmd; | |
908 | ipr_cmd->timer.expires = jiffies + timeout; | |
909 | ipr_cmd->timer.function = (void (*)(unsigned long))timeout_func; | |
910 | ||
911 | add_timer(&ipr_cmd->timer); | |
912 | ||
913 | ipr_trc_hook(ipr_cmd, IPR_TRACE_START, 0); | |
914 | ||
a32c055f | 915 | ipr_send_command(ipr_cmd); |
1da177e4 LT |
916 | } |
917 | ||
918 | /** | |
919 | * ipr_internal_cmd_done - Op done function for an internally generated op. | |
920 | * @ipr_cmd: ipr command struct | |
921 | * | |
922 | * This function is the op done function for an internally generated, | |
923 | * blocking op. It simply wakes the sleeping thread. | |
924 | * | |
925 | * Return value: | |
926 | * none | |
927 | **/ | |
928 | static void ipr_internal_cmd_done(struct ipr_cmnd *ipr_cmd) | |
929 | { | |
930 | if (ipr_cmd->sibling) | |
931 | ipr_cmd->sibling = NULL; | |
932 | else | |
933 | complete(&ipr_cmd->completion); | |
934 | } | |
935 | ||
a32c055f WB |
936 | /** |
937 | * ipr_init_ioadl - initialize the ioadl for the correct SIS type | |
938 | * @ipr_cmd: ipr command struct | |
939 | * @dma_addr: dma address | |
940 | * @len: transfer length | |
941 | * @flags: ioadl flag value | |
942 | * | |
943 | * This function initializes an ioadl in the case where there is only a single | |
944 | * descriptor. | |
945 | * | |
946 | * Return value: | |
947 | * nothing | |
948 | **/ | |
949 | static void ipr_init_ioadl(struct ipr_cmnd *ipr_cmd, dma_addr_t dma_addr, | |
950 | u32 len, int flags) | |
951 | { | |
952 | struct ipr_ioadl_desc *ioadl = ipr_cmd->i.ioadl; | |
953 | struct ipr_ioadl64_desc *ioadl64 = ipr_cmd->i.ioadl64; | |
954 | ||
955 | ipr_cmd->dma_use_sg = 1; | |
956 | ||
957 | if (ipr_cmd->ioa_cfg->sis64) { | |
958 | ioadl64->flags = cpu_to_be32(flags); | |
959 | ioadl64->data_len = cpu_to_be32(len); | |
960 | ioadl64->address = cpu_to_be64(dma_addr); | |
961 | ||
962 | ipr_cmd->ioarcb.ioadl_len = | |
963 | cpu_to_be32(sizeof(struct ipr_ioadl64_desc)); | |
964 | ipr_cmd->ioarcb.data_transfer_length = cpu_to_be32(len); | |
965 | } else { | |
966 | ioadl->flags_and_data_len = cpu_to_be32(flags | len); | |
967 | ioadl->address = cpu_to_be32(dma_addr); | |
968 | ||
969 | if (flags == IPR_IOADL_FLAGS_READ_LAST) { | |
970 | ipr_cmd->ioarcb.read_ioadl_len = | |
971 | cpu_to_be32(sizeof(struct ipr_ioadl_desc)); | |
972 | ipr_cmd->ioarcb.read_data_transfer_length = cpu_to_be32(len); | |
973 | } else { | |
974 | ipr_cmd->ioarcb.ioadl_len = | |
975 | cpu_to_be32(sizeof(struct ipr_ioadl_desc)); | |
976 | ipr_cmd->ioarcb.data_transfer_length = cpu_to_be32(len); | |
977 | } | |
978 | } | |
979 | } | |
980 | ||
1da177e4 LT |
981 | /** |
982 | * ipr_send_blocking_cmd - Send command and sleep on its completion. | |
983 | * @ipr_cmd: ipr command struct | |
984 | * @timeout_func: function to invoke if command times out | |
985 | * @timeout: timeout | |
986 | * | |
987 | * Return value: | |
988 | * none | |
989 | **/ | |
990 | static void ipr_send_blocking_cmd(struct ipr_cmnd *ipr_cmd, | |
991 | void (*timeout_func) (struct ipr_cmnd *ipr_cmd), | |
992 | u32 timeout) | |
993 | { | |
994 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
995 | ||
996 | init_completion(&ipr_cmd->completion); | |
997 | ipr_do_req(ipr_cmd, ipr_internal_cmd_done, timeout_func, timeout); | |
998 | ||
999 | spin_unlock_irq(ioa_cfg->host->host_lock); | |
1000 | wait_for_completion(&ipr_cmd->completion); | |
1001 | spin_lock_irq(ioa_cfg->host->host_lock); | |
1002 | } | |
1003 | ||
05a6538a | 1004 | static int ipr_get_hrrq_index(struct ipr_ioa_cfg *ioa_cfg) |
1005 | { | |
1006 | if (ioa_cfg->hrrq_num == 1) | |
56d6aa33 | 1007 | return 0; |
1008 | else | |
1009 | return (atomic_add_return(1, &ioa_cfg->hrrq_index) % (ioa_cfg->hrrq_num - 1)) + 1; | |
05a6538a | 1010 | } |
1011 | ||
1da177e4 LT |
1012 | /** |
1013 | * ipr_send_hcam - Send an HCAM to the adapter. | |
1014 | * @ioa_cfg: ioa config struct | |
1015 | * @type: HCAM type | |
1016 | * @hostrcb: hostrcb struct | |
1017 | * | |
1018 | * This function will send a Host Controlled Async command to the adapter. | |
1019 | * If HCAMs are currently not allowed to be issued to the adapter, it will | |
1020 | * place the hostrcb on the free queue. | |
1021 | * | |
1022 | * Return value: | |
1023 | * none | |
1024 | **/ | |
1025 | static void ipr_send_hcam(struct ipr_ioa_cfg *ioa_cfg, u8 type, | |
1026 | struct ipr_hostrcb *hostrcb) | |
1027 | { | |
1028 | struct ipr_cmnd *ipr_cmd; | |
1029 | struct ipr_ioarcb *ioarcb; | |
1030 | ||
56d6aa33 | 1031 | if (ioa_cfg->hrrq[IPR_INIT_HRRQ].allow_cmds) { |
1da177e4 | 1032 | ipr_cmd = ipr_get_free_ipr_cmnd(ioa_cfg); |
05a6538a | 1033 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_pending_q); |
1da177e4 LT |
1034 | list_add_tail(&hostrcb->queue, &ioa_cfg->hostrcb_pending_q); |
1035 | ||
1036 | ipr_cmd->u.hostrcb = hostrcb; | |
1037 | ioarcb = &ipr_cmd->ioarcb; | |
1038 | ||
1039 | ioarcb->res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE); | |
1040 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_HCAM; | |
1041 | ioarcb->cmd_pkt.cdb[0] = IPR_HOST_CONTROLLED_ASYNC; | |
1042 | ioarcb->cmd_pkt.cdb[1] = type; | |
1043 | ioarcb->cmd_pkt.cdb[7] = (sizeof(hostrcb->hcam) >> 8) & 0xff; | |
1044 | ioarcb->cmd_pkt.cdb[8] = sizeof(hostrcb->hcam) & 0xff; | |
1045 | ||
a32c055f WB |
1046 | ipr_init_ioadl(ipr_cmd, hostrcb->hostrcb_dma, |
1047 | sizeof(hostrcb->hcam), IPR_IOADL_FLAGS_READ_LAST); | |
1da177e4 LT |
1048 | |
1049 | if (type == IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE) | |
1050 | ipr_cmd->done = ipr_process_ccn; | |
1051 | else | |
1052 | ipr_cmd->done = ipr_process_error; | |
1053 | ||
1054 | ipr_trc_hook(ipr_cmd, IPR_TRACE_START, IPR_IOA_RES_ADDR); | |
1055 | ||
a32c055f | 1056 | ipr_send_command(ipr_cmd); |
1da177e4 LT |
1057 | } else { |
1058 | list_add_tail(&hostrcb->queue, &ioa_cfg->hostrcb_free_q); | |
1059 | } | |
1060 | } | |
1061 | ||
3e7ebdfa WB |
1062 | /** |
1063 | * ipr_update_ata_class - Update the ata class in the resource entry | |
1064 | * @res: resource entry struct | |
1065 | * @proto: cfgte device bus protocol value | |
1066 | * | |
1067 | * Return value: | |
1068 | * none | |
1069 | **/ | |
1070 | static void ipr_update_ata_class(struct ipr_resource_entry *res, unsigned int proto) | |
1071 | { | |
203fa3fe | 1072 | switch (proto) { |
3e7ebdfa WB |
1073 | case IPR_PROTO_SATA: |
1074 | case IPR_PROTO_SAS_STP: | |
1075 | res->ata_class = ATA_DEV_ATA; | |
1076 | break; | |
1077 | case IPR_PROTO_SATA_ATAPI: | |
1078 | case IPR_PROTO_SAS_STP_ATAPI: | |
1079 | res->ata_class = ATA_DEV_ATAPI; | |
1080 | break; | |
1081 | default: | |
1082 | res->ata_class = ATA_DEV_UNKNOWN; | |
1083 | break; | |
1084 | }; | |
1085 | } | |
1086 | ||
1da177e4 LT |
1087 | /** |
1088 | * ipr_init_res_entry - Initialize a resource entry struct. | |
1089 | * @res: resource entry struct | |
3e7ebdfa | 1090 | * @cfgtew: config table entry wrapper struct |
1da177e4 LT |
1091 | * |
1092 | * Return value: | |
1093 | * none | |
1094 | **/ | |
3e7ebdfa WB |
1095 | static void ipr_init_res_entry(struct ipr_resource_entry *res, |
1096 | struct ipr_config_table_entry_wrapper *cfgtew) | |
1da177e4 | 1097 | { |
3e7ebdfa WB |
1098 | int found = 0; |
1099 | unsigned int proto; | |
1100 | struct ipr_ioa_cfg *ioa_cfg = res->ioa_cfg; | |
1101 | struct ipr_resource_entry *gscsi_res = NULL; | |
1102 | ||
ee0a90fa | 1103 | res->needs_sync_complete = 0; |
1da177e4 LT |
1104 | res->in_erp = 0; |
1105 | res->add_to_ml = 0; | |
1106 | res->del_from_ml = 0; | |
1107 | res->resetting_device = 0; | |
1108 | res->sdev = NULL; | |
35a39691 | 1109 | res->sata_port = NULL; |
3e7ebdfa WB |
1110 | |
1111 | if (ioa_cfg->sis64) { | |
1112 | proto = cfgtew->u.cfgte64->proto; | |
1113 | res->res_flags = cfgtew->u.cfgte64->res_flags; | |
1114 | res->qmodel = IPR_QUEUEING_MODEL64(res); | |
438b0331 | 1115 | res->type = cfgtew->u.cfgte64->res_type; |
3e7ebdfa WB |
1116 | |
1117 | memcpy(res->res_path, &cfgtew->u.cfgte64->res_path, | |
1118 | sizeof(res->res_path)); | |
1119 | ||
1120 | res->bus = 0; | |
0cb992ed WB |
1121 | memcpy(&res->dev_lun.scsi_lun, &cfgtew->u.cfgte64->lun, |
1122 | sizeof(res->dev_lun.scsi_lun)); | |
3e7ebdfa WB |
1123 | res->lun = scsilun_to_int(&res->dev_lun); |
1124 | ||
1125 | if (res->type == IPR_RES_TYPE_GENERIC_SCSI) { | |
1126 | list_for_each_entry(gscsi_res, &ioa_cfg->used_res_q, queue) { | |
1127 | if (gscsi_res->dev_id == cfgtew->u.cfgte64->dev_id) { | |
1128 | found = 1; | |
1129 | res->target = gscsi_res->target; | |
1130 | break; | |
1131 | } | |
1132 | } | |
1133 | if (!found) { | |
1134 | res->target = find_first_zero_bit(ioa_cfg->target_ids, | |
1135 | ioa_cfg->max_devs_supported); | |
1136 | set_bit(res->target, ioa_cfg->target_ids); | |
1137 | } | |
3e7ebdfa WB |
1138 | } else if (res->type == IPR_RES_TYPE_IOAFP) { |
1139 | res->bus = IPR_IOAFP_VIRTUAL_BUS; | |
1140 | res->target = 0; | |
1141 | } else if (res->type == IPR_RES_TYPE_ARRAY) { | |
1142 | res->bus = IPR_ARRAY_VIRTUAL_BUS; | |
1143 | res->target = find_first_zero_bit(ioa_cfg->array_ids, | |
1144 | ioa_cfg->max_devs_supported); | |
1145 | set_bit(res->target, ioa_cfg->array_ids); | |
1146 | } else if (res->type == IPR_RES_TYPE_VOLUME_SET) { | |
1147 | res->bus = IPR_VSET_VIRTUAL_BUS; | |
1148 | res->target = find_first_zero_bit(ioa_cfg->vset_ids, | |
1149 | ioa_cfg->max_devs_supported); | |
1150 | set_bit(res->target, ioa_cfg->vset_ids); | |
1151 | } else { | |
1152 | res->target = find_first_zero_bit(ioa_cfg->target_ids, | |
1153 | ioa_cfg->max_devs_supported); | |
1154 | set_bit(res->target, ioa_cfg->target_ids); | |
1155 | } | |
1156 | } else { | |
1157 | proto = cfgtew->u.cfgte->proto; | |
1158 | res->qmodel = IPR_QUEUEING_MODEL(res); | |
1159 | res->flags = cfgtew->u.cfgte->flags; | |
1160 | if (res->flags & IPR_IS_IOA_RESOURCE) | |
1161 | res->type = IPR_RES_TYPE_IOAFP; | |
1162 | else | |
1163 | res->type = cfgtew->u.cfgte->rsvd_subtype & 0x0f; | |
1164 | ||
1165 | res->bus = cfgtew->u.cfgte->res_addr.bus; | |
1166 | res->target = cfgtew->u.cfgte->res_addr.target; | |
1167 | res->lun = cfgtew->u.cfgte->res_addr.lun; | |
46d74563 | 1168 | res->lun_wwn = get_unaligned_be64(cfgtew->u.cfgte->lun_wwn); |
3e7ebdfa WB |
1169 | } |
1170 | ||
1171 | ipr_update_ata_class(res, proto); | |
1172 | } | |
1173 | ||
1174 | /** | |
1175 | * ipr_is_same_device - Determine if two devices are the same. | |
1176 | * @res: resource entry struct | |
1177 | * @cfgtew: config table entry wrapper struct | |
1178 | * | |
1179 | * Return value: | |
1180 | * 1 if the devices are the same / 0 otherwise | |
1181 | **/ | |
1182 | static int ipr_is_same_device(struct ipr_resource_entry *res, | |
1183 | struct ipr_config_table_entry_wrapper *cfgtew) | |
1184 | { | |
1185 | if (res->ioa_cfg->sis64) { | |
1186 | if (!memcmp(&res->dev_id, &cfgtew->u.cfgte64->dev_id, | |
1187 | sizeof(cfgtew->u.cfgte64->dev_id)) && | |
0cb992ed | 1188 | !memcmp(&res->dev_lun.scsi_lun, &cfgtew->u.cfgte64->lun, |
3e7ebdfa WB |
1189 | sizeof(cfgtew->u.cfgte64->lun))) { |
1190 | return 1; | |
1191 | } | |
1192 | } else { | |
1193 | if (res->bus == cfgtew->u.cfgte->res_addr.bus && | |
1194 | res->target == cfgtew->u.cfgte->res_addr.target && | |
1195 | res->lun == cfgtew->u.cfgte->res_addr.lun) | |
1196 | return 1; | |
1197 | } | |
1198 | ||
1199 | return 0; | |
1200 | } | |
1201 | ||
1202 | /** | |
b3b3b407 | 1203 | * __ipr_format_res_path - Format the resource path for printing. |
3e7ebdfa WB |
1204 | * @res_path: resource path |
1205 | * @buf: buffer | |
b3b3b407 | 1206 | * @len: length of buffer provided |
3e7ebdfa WB |
1207 | * |
1208 | * Return value: | |
1209 | * pointer to buffer | |
1210 | **/ | |
b3b3b407 | 1211 | static char *__ipr_format_res_path(u8 *res_path, char *buffer, int len) |
3e7ebdfa WB |
1212 | { |
1213 | int i; | |
5adcbeb3 | 1214 | char *p = buffer; |
3e7ebdfa | 1215 | |
46d74563 | 1216 | *p = '\0'; |
5adcbeb3 WB |
1217 | p += snprintf(p, buffer + len - p, "%02X", res_path[0]); |
1218 | for (i = 1; res_path[i] != 0xff && ((i * 3) < len); i++) | |
1219 | p += snprintf(p, buffer + len - p, "-%02X", res_path[i]); | |
3e7ebdfa WB |
1220 | |
1221 | return buffer; | |
1222 | } | |
1223 | ||
b3b3b407 BK |
1224 | /** |
1225 | * ipr_format_res_path - Format the resource path for printing. | |
1226 | * @ioa_cfg: ioa config struct | |
1227 | * @res_path: resource path | |
1228 | * @buf: buffer | |
1229 | * @len: length of buffer provided | |
1230 | * | |
1231 | * Return value: | |
1232 | * pointer to buffer | |
1233 | **/ | |
1234 | static char *ipr_format_res_path(struct ipr_ioa_cfg *ioa_cfg, | |
1235 | u8 *res_path, char *buffer, int len) | |
1236 | { | |
1237 | char *p = buffer; | |
1238 | ||
1239 | *p = '\0'; | |
1240 | p += snprintf(p, buffer + len - p, "%d/", ioa_cfg->host->host_no); | |
1241 | __ipr_format_res_path(res_path, p, len - (buffer - p)); | |
1242 | return buffer; | |
1243 | } | |
1244 | ||
3e7ebdfa WB |
1245 | /** |
1246 | * ipr_update_res_entry - Update the resource entry. | |
1247 | * @res: resource entry struct | |
1248 | * @cfgtew: config table entry wrapper struct | |
1249 | * | |
1250 | * Return value: | |
1251 | * none | |
1252 | **/ | |
1253 | static void ipr_update_res_entry(struct ipr_resource_entry *res, | |
1254 | struct ipr_config_table_entry_wrapper *cfgtew) | |
1255 | { | |
1256 | char buffer[IPR_MAX_RES_PATH_LENGTH]; | |
1257 | unsigned int proto; | |
1258 | int new_path = 0; | |
1259 | ||
1260 | if (res->ioa_cfg->sis64) { | |
1261 | res->flags = cfgtew->u.cfgte64->flags; | |
1262 | res->res_flags = cfgtew->u.cfgte64->res_flags; | |
75576bb9 | 1263 | res->type = cfgtew->u.cfgte64->res_type; |
3e7ebdfa WB |
1264 | |
1265 | memcpy(&res->std_inq_data, &cfgtew->u.cfgte64->std_inq_data, | |
1266 | sizeof(struct ipr_std_inq_data)); | |
1267 | ||
1268 | res->qmodel = IPR_QUEUEING_MODEL64(res); | |
1269 | proto = cfgtew->u.cfgte64->proto; | |
1270 | res->res_handle = cfgtew->u.cfgte64->res_handle; | |
1271 | res->dev_id = cfgtew->u.cfgte64->dev_id; | |
1272 | ||
1273 | memcpy(&res->dev_lun.scsi_lun, &cfgtew->u.cfgte64->lun, | |
1274 | sizeof(res->dev_lun.scsi_lun)); | |
1275 | ||
1276 | if (memcmp(res->res_path, &cfgtew->u.cfgte64->res_path, | |
1277 | sizeof(res->res_path))) { | |
1278 | memcpy(res->res_path, &cfgtew->u.cfgte64->res_path, | |
1279 | sizeof(res->res_path)); | |
1280 | new_path = 1; | |
1281 | } | |
1282 | ||
1283 | if (res->sdev && new_path) | |
1284 | sdev_printk(KERN_INFO, res->sdev, "Resource path: %s\n", | |
b3b3b407 BK |
1285 | ipr_format_res_path(res->ioa_cfg, |
1286 | res->res_path, buffer, sizeof(buffer))); | |
3e7ebdfa WB |
1287 | } else { |
1288 | res->flags = cfgtew->u.cfgte->flags; | |
1289 | if (res->flags & IPR_IS_IOA_RESOURCE) | |
1290 | res->type = IPR_RES_TYPE_IOAFP; | |
1291 | else | |
1292 | res->type = cfgtew->u.cfgte->rsvd_subtype & 0x0f; | |
1293 | ||
1294 | memcpy(&res->std_inq_data, &cfgtew->u.cfgte->std_inq_data, | |
1295 | sizeof(struct ipr_std_inq_data)); | |
1296 | ||
1297 | res->qmodel = IPR_QUEUEING_MODEL(res); | |
1298 | proto = cfgtew->u.cfgte->proto; | |
1299 | res->res_handle = cfgtew->u.cfgte->res_handle; | |
1300 | } | |
1301 | ||
1302 | ipr_update_ata_class(res, proto); | |
1303 | } | |
1304 | ||
1305 | /** | |
1306 | * ipr_clear_res_target - Clear the bit in the bit map representing the target | |
1307 | * for the resource. | |
1308 | * @res: resource entry struct | |
1309 | * @cfgtew: config table entry wrapper struct | |
1310 | * | |
1311 | * Return value: | |
1312 | * none | |
1313 | **/ | |
1314 | static void ipr_clear_res_target(struct ipr_resource_entry *res) | |
1315 | { | |
1316 | struct ipr_resource_entry *gscsi_res = NULL; | |
1317 | struct ipr_ioa_cfg *ioa_cfg = res->ioa_cfg; | |
1318 | ||
1319 | if (!ioa_cfg->sis64) | |
1320 | return; | |
1321 | ||
1322 | if (res->bus == IPR_ARRAY_VIRTUAL_BUS) | |
1323 | clear_bit(res->target, ioa_cfg->array_ids); | |
1324 | else if (res->bus == IPR_VSET_VIRTUAL_BUS) | |
1325 | clear_bit(res->target, ioa_cfg->vset_ids); | |
1326 | else if (res->bus == 0 && res->type == IPR_RES_TYPE_GENERIC_SCSI) { | |
1327 | list_for_each_entry(gscsi_res, &ioa_cfg->used_res_q, queue) | |
1328 | if (gscsi_res->dev_id == res->dev_id && gscsi_res != res) | |
1329 | return; | |
1330 | clear_bit(res->target, ioa_cfg->target_ids); | |
1331 | ||
1332 | } else if (res->bus == 0) | |
1333 | clear_bit(res->target, ioa_cfg->target_ids); | |
1da177e4 LT |
1334 | } |
1335 | ||
1336 | /** | |
1337 | * ipr_handle_config_change - Handle a config change from the adapter | |
1338 | * @ioa_cfg: ioa config struct | |
1339 | * @hostrcb: hostrcb | |
1340 | * | |
1341 | * Return value: | |
1342 | * none | |
1343 | **/ | |
1344 | static void ipr_handle_config_change(struct ipr_ioa_cfg *ioa_cfg, | |
3e7ebdfa | 1345 | struct ipr_hostrcb *hostrcb) |
1da177e4 LT |
1346 | { |
1347 | struct ipr_resource_entry *res = NULL; | |
3e7ebdfa WB |
1348 | struct ipr_config_table_entry_wrapper cfgtew; |
1349 | __be32 cc_res_handle; | |
1350 | ||
1da177e4 LT |
1351 | u32 is_ndn = 1; |
1352 | ||
3e7ebdfa WB |
1353 | if (ioa_cfg->sis64) { |
1354 | cfgtew.u.cfgte64 = &hostrcb->hcam.u.ccn.u.cfgte64; | |
1355 | cc_res_handle = cfgtew.u.cfgte64->res_handle; | |
1356 | } else { | |
1357 | cfgtew.u.cfgte = &hostrcb->hcam.u.ccn.u.cfgte; | |
1358 | cc_res_handle = cfgtew.u.cfgte->res_handle; | |
1359 | } | |
1da177e4 LT |
1360 | |
1361 | list_for_each_entry(res, &ioa_cfg->used_res_q, queue) { | |
3e7ebdfa | 1362 | if (res->res_handle == cc_res_handle) { |
1da177e4 LT |
1363 | is_ndn = 0; |
1364 | break; | |
1365 | } | |
1366 | } | |
1367 | ||
1368 | if (is_ndn) { | |
1369 | if (list_empty(&ioa_cfg->free_res_q)) { | |
1370 | ipr_send_hcam(ioa_cfg, | |
1371 | IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE, | |
1372 | hostrcb); | |
1373 | return; | |
1374 | } | |
1375 | ||
1376 | res = list_entry(ioa_cfg->free_res_q.next, | |
1377 | struct ipr_resource_entry, queue); | |
1378 | ||
1379 | list_del(&res->queue); | |
3e7ebdfa | 1380 | ipr_init_res_entry(res, &cfgtew); |
1da177e4 LT |
1381 | list_add_tail(&res->queue, &ioa_cfg->used_res_q); |
1382 | } | |
1383 | ||
3e7ebdfa | 1384 | ipr_update_res_entry(res, &cfgtew); |
1da177e4 LT |
1385 | |
1386 | if (hostrcb->hcam.notify_type == IPR_HOST_RCB_NOTIF_TYPE_REM_ENTRY) { | |
1387 | if (res->sdev) { | |
1da177e4 | 1388 | res->del_from_ml = 1; |
3e7ebdfa | 1389 | res->res_handle = IPR_INVALID_RES_HANDLE; |
1da177e4 LT |
1390 | if (ioa_cfg->allow_ml_add_del) |
1391 | schedule_work(&ioa_cfg->work_q); | |
3e7ebdfa WB |
1392 | } else { |
1393 | ipr_clear_res_target(res); | |
1da177e4 | 1394 | list_move_tail(&res->queue, &ioa_cfg->free_res_q); |
3e7ebdfa | 1395 | } |
5767a1c4 | 1396 | } else if (!res->sdev || res->del_from_ml) { |
1da177e4 LT |
1397 | res->add_to_ml = 1; |
1398 | if (ioa_cfg->allow_ml_add_del) | |
1399 | schedule_work(&ioa_cfg->work_q); | |
1400 | } | |
1401 | ||
1402 | ipr_send_hcam(ioa_cfg, IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE, hostrcb); | |
1403 | } | |
1404 | ||
1405 | /** | |
1406 | * ipr_process_ccn - Op done function for a CCN. | |
1407 | * @ipr_cmd: ipr command struct | |
1408 | * | |
1409 | * This function is the op done function for a configuration | |
1410 | * change notification host controlled async from the adapter. | |
1411 | * | |
1412 | * Return value: | |
1413 | * none | |
1414 | **/ | |
1415 | static void ipr_process_ccn(struct ipr_cmnd *ipr_cmd) | |
1416 | { | |
1417 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
1418 | struct ipr_hostrcb *hostrcb = ipr_cmd->u.hostrcb; | |
96d21f00 | 1419 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
1da177e4 LT |
1420 | |
1421 | list_del(&hostrcb->queue); | |
05a6538a | 1422 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
1da177e4 LT |
1423 | |
1424 | if (ioasc) { | |
1425 | if (ioasc != IPR_IOASC_IOA_WAS_RESET) | |
1426 | dev_err(&ioa_cfg->pdev->dev, | |
1427 | "Host RCB failed with IOASC: 0x%08X\n", ioasc); | |
1428 | ||
1429 | ipr_send_hcam(ioa_cfg, IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE, hostrcb); | |
1430 | } else { | |
1431 | ipr_handle_config_change(ioa_cfg, hostrcb); | |
1432 | } | |
1433 | } | |
1434 | ||
8cf093e2 BK |
1435 | /** |
1436 | * strip_and_pad_whitespace - Strip and pad trailing whitespace. | |
1437 | * @i: index into buffer | |
1438 | * @buf: string to modify | |
1439 | * | |
1440 | * This function will strip all trailing whitespace, pad the end | |
1441 | * of the string with a single space, and NULL terminate the string. | |
1442 | * | |
1443 | * Return value: | |
1444 | * new length of string | |
1445 | **/ | |
1446 | static int strip_and_pad_whitespace(int i, char *buf) | |
1447 | { | |
1448 | while (i && buf[i] == ' ') | |
1449 | i--; | |
1450 | buf[i+1] = ' '; | |
1451 | buf[i+2] = '\0'; | |
1452 | return i + 2; | |
1453 | } | |
1454 | ||
1455 | /** | |
1456 | * ipr_log_vpd_compact - Log the passed extended VPD compactly. | |
1457 | * @prefix: string to print at start of printk | |
1458 | * @hostrcb: hostrcb pointer | |
1459 | * @vpd: vendor/product id/sn struct | |
1460 | * | |
1461 | * Return value: | |
1462 | * none | |
1463 | **/ | |
1464 | static void ipr_log_vpd_compact(char *prefix, struct ipr_hostrcb *hostrcb, | |
1465 | struct ipr_vpd *vpd) | |
1466 | { | |
1467 | char buffer[IPR_VENDOR_ID_LEN + IPR_PROD_ID_LEN + IPR_SERIAL_NUM_LEN + 3]; | |
1468 | int i = 0; | |
1469 | ||
1470 | memcpy(buffer, vpd->vpids.vendor_id, IPR_VENDOR_ID_LEN); | |
1471 | i = strip_and_pad_whitespace(IPR_VENDOR_ID_LEN - 1, buffer); | |
1472 | ||
1473 | memcpy(&buffer[i], vpd->vpids.product_id, IPR_PROD_ID_LEN); | |
1474 | i = strip_and_pad_whitespace(i + IPR_PROD_ID_LEN - 1, buffer); | |
1475 | ||
1476 | memcpy(&buffer[i], vpd->sn, IPR_SERIAL_NUM_LEN); | |
1477 | buffer[IPR_SERIAL_NUM_LEN + i] = '\0'; | |
1478 | ||
1479 | ipr_hcam_err(hostrcb, "%s VPID/SN: %s\n", prefix, buffer); | |
1480 | } | |
1481 | ||
1da177e4 LT |
1482 | /** |
1483 | * ipr_log_vpd - Log the passed VPD to the error log. | |
cfc32139 | 1484 | * @vpd: vendor/product id/sn struct |
1da177e4 LT |
1485 | * |
1486 | * Return value: | |
1487 | * none | |
1488 | **/ | |
cfc32139 | 1489 | static void ipr_log_vpd(struct ipr_vpd *vpd) |
1da177e4 LT |
1490 | { |
1491 | char buffer[IPR_VENDOR_ID_LEN + IPR_PROD_ID_LEN | |
1492 | + IPR_SERIAL_NUM_LEN]; | |
1493 | ||
cfc32139 BK |
1494 | memcpy(buffer, vpd->vpids.vendor_id, IPR_VENDOR_ID_LEN); |
1495 | memcpy(buffer + IPR_VENDOR_ID_LEN, vpd->vpids.product_id, | |
1da177e4 LT |
1496 | IPR_PROD_ID_LEN); |
1497 | buffer[IPR_VENDOR_ID_LEN + IPR_PROD_ID_LEN] = '\0'; | |
1498 | ipr_err("Vendor/Product ID: %s\n", buffer); | |
1499 | ||
cfc32139 | 1500 | memcpy(buffer, vpd->sn, IPR_SERIAL_NUM_LEN); |
1da177e4 LT |
1501 | buffer[IPR_SERIAL_NUM_LEN] = '\0'; |
1502 | ipr_err(" Serial Number: %s\n", buffer); | |
1503 | } | |
1504 | ||
8cf093e2 BK |
1505 | /** |
1506 | * ipr_log_ext_vpd_compact - Log the passed extended VPD compactly. | |
1507 | * @prefix: string to print at start of printk | |
1508 | * @hostrcb: hostrcb pointer | |
1509 | * @vpd: vendor/product id/sn/wwn struct | |
1510 | * | |
1511 | * Return value: | |
1512 | * none | |
1513 | **/ | |
1514 | static void ipr_log_ext_vpd_compact(char *prefix, struct ipr_hostrcb *hostrcb, | |
1515 | struct ipr_ext_vpd *vpd) | |
1516 | { | |
1517 | ipr_log_vpd_compact(prefix, hostrcb, &vpd->vpd); | |
1518 | ipr_hcam_err(hostrcb, "%s WWN: %08X%08X\n", prefix, | |
1519 | be32_to_cpu(vpd->wwid[0]), be32_to_cpu(vpd->wwid[1])); | |
1520 | } | |
1521 | ||
ee0f05b8 BK |
1522 | /** |
1523 | * ipr_log_ext_vpd - Log the passed extended VPD to the error log. | |
1524 | * @vpd: vendor/product id/sn/wwn struct | |
1525 | * | |
1526 | * Return value: | |
1527 | * none | |
1528 | **/ | |
1529 | static void ipr_log_ext_vpd(struct ipr_ext_vpd *vpd) | |
1530 | { | |
1531 | ipr_log_vpd(&vpd->vpd); | |
1532 | ipr_err(" WWN: %08X%08X\n", be32_to_cpu(vpd->wwid[0]), | |
1533 | be32_to_cpu(vpd->wwid[1])); | |
1534 | } | |
1535 | ||
1536 | /** | |
1537 | * ipr_log_enhanced_cache_error - Log a cache error. | |
1538 | * @ioa_cfg: ioa config struct | |
1539 | * @hostrcb: hostrcb struct | |
1540 | * | |
1541 | * Return value: | |
1542 | * none | |
1543 | **/ | |
1544 | static void ipr_log_enhanced_cache_error(struct ipr_ioa_cfg *ioa_cfg, | |
1545 | struct ipr_hostrcb *hostrcb) | |
1546 | { | |
4565e370 WB |
1547 | struct ipr_hostrcb_type_12_error *error; |
1548 | ||
1549 | if (ioa_cfg->sis64) | |
1550 | error = &hostrcb->hcam.u.error64.u.type_12_error; | |
1551 | else | |
1552 | error = &hostrcb->hcam.u.error.u.type_12_error; | |
ee0f05b8 BK |
1553 | |
1554 | ipr_err("-----Current Configuration-----\n"); | |
1555 | ipr_err("Cache Directory Card Information:\n"); | |
1556 | ipr_log_ext_vpd(&error->ioa_vpd); | |
1557 | ipr_err("Adapter Card Information:\n"); | |
1558 | ipr_log_ext_vpd(&error->cfc_vpd); | |
1559 | ||
1560 | ipr_err("-----Expected Configuration-----\n"); | |
1561 | ipr_err("Cache Directory Card Information:\n"); | |
1562 | ipr_log_ext_vpd(&error->ioa_last_attached_to_cfc_vpd); | |
1563 | ipr_err("Adapter Card Information:\n"); | |
1564 | ipr_log_ext_vpd(&error->cfc_last_attached_to_ioa_vpd); | |
1565 | ||
1566 | ipr_err("Additional IOA Data: %08X %08X %08X\n", | |
1567 | be32_to_cpu(error->ioa_data[0]), | |
1568 | be32_to_cpu(error->ioa_data[1]), | |
1569 | be32_to_cpu(error->ioa_data[2])); | |
1570 | } | |
1571 | ||
1da177e4 LT |
1572 | /** |
1573 | * ipr_log_cache_error - Log a cache error. | |
1574 | * @ioa_cfg: ioa config struct | |
1575 | * @hostrcb: hostrcb struct | |
1576 | * | |
1577 | * Return value: | |
1578 | * none | |
1579 | **/ | |
1580 | static void ipr_log_cache_error(struct ipr_ioa_cfg *ioa_cfg, | |
1581 | struct ipr_hostrcb *hostrcb) | |
1582 | { | |
1583 | struct ipr_hostrcb_type_02_error *error = | |
1584 | &hostrcb->hcam.u.error.u.type_02_error; | |
1585 | ||
1586 | ipr_err("-----Current Configuration-----\n"); | |
1587 | ipr_err("Cache Directory Card Information:\n"); | |
cfc32139 | 1588 | ipr_log_vpd(&error->ioa_vpd); |
1da177e4 | 1589 | ipr_err("Adapter Card Information:\n"); |
cfc32139 | 1590 | ipr_log_vpd(&error->cfc_vpd); |
1da177e4 LT |
1591 | |
1592 | ipr_err("-----Expected Configuration-----\n"); | |
1593 | ipr_err("Cache Directory Card Information:\n"); | |
cfc32139 | 1594 | ipr_log_vpd(&error->ioa_last_attached_to_cfc_vpd); |
1da177e4 | 1595 | ipr_err("Adapter Card Information:\n"); |
cfc32139 | 1596 | ipr_log_vpd(&error->cfc_last_attached_to_ioa_vpd); |
1da177e4 LT |
1597 | |
1598 | ipr_err("Additional IOA Data: %08X %08X %08X\n", | |
1599 | be32_to_cpu(error->ioa_data[0]), | |
1600 | be32_to_cpu(error->ioa_data[1]), | |
1601 | be32_to_cpu(error->ioa_data[2])); | |
1602 | } | |
1603 | ||
ee0f05b8 BK |
1604 | /** |
1605 | * ipr_log_enhanced_config_error - Log a configuration error. | |
1606 | * @ioa_cfg: ioa config struct | |
1607 | * @hostrcb: hostrcb struct | |
1608 | * | |
1609 | * Return value: | |
1610 | * none | |
1611 | **/ | |
1612 | static void ipr_log_enhanced_config_error(struct ipr_ioa_cfg *ioa_cfg, | |
1613 | struct ipr_hostrcb *hostrcb) | |
1614 | { | |
1615 | int errors_logged, i; | |
1616 | struct ipr_hostrcb_device_data_entry_enhanced *dev_entry; | |
1617 | struct ipr_hostrcb_type_13_error *error; | |
1618 | ||
1619 | error = &hostrcb->hcam.u.error.u.type_13_error; | |
1620 | errors_logged = be32_to_cpu(error->errors_logged); | |
1621 | ||
1622 | ipr_err("Device Errors Detected/Logged: %d/%d\n", | |
1623 | be32_to_cpu(error->errors_detected), errors_logged); | |
1624 | ||
1625 | dev_entry = error->dev; | |
1626 | ||
1627 | for (i = 0; i < errors_logged; i++, dev_entry++) { | |
1628 | ipr_err_separator; | |
1629 | ||
1630 | ipr_phys_res_err(ioa_cfg, dev_entry->dev_res_addr, "Device %d", i + 1); | |
1631 | ipr_log_ext_vpd(&dev_entry->vpd); | |
1632 | ||
1633 | ipr_err("-----New Device Information-----\n"); | |
1634 | ipr_log_ext_vpd(&dev_entry->new_vpd); | |
1635 | ||
1636 | ipr_err("Cache Directory Card Information:\n"); | |
1637 | ipr_log_ext_vpd(&dev_entry->ioa_last_with_dev_vpd); | |
1638 | ||
1639 | ipr_err("Adapter Card Information:\n"); | |
1640 | ipr_log_ext_vpd(&dev_entry->cfc_last_with_dev_vpd); | |
1641 | } | |
1642 | } | |
1643 | ||
4565e370 WB |
1644 | /** |
1645 | * ipr_log_sis64_config_error - Log a device error. | |
1646 | * @ioa_cfg: ioa config struct | |
1647 | * @hostrcb: hostrcb struct | |
1648 | * | |
1649 | * Return value: | |
1650 | * none | |
1651 | **/ | |
1652 | static void ipr_log_sis64_config_error(struct ipr_ioa_cfg *ioa_cfg, | |
1653 | struct ipr_hostrcb *hostrcb) | |
1654 | { | |
1655 | int errors_logged, i; | |
1656 | struct ipr_hostrcb64_device_data_entry_enhanced *dev_entry; | |
1657 | struct ipr_hostrcb_type_23_error *error; | |
1658 | char buffer[IPR_MAX_RES_PATH_LENGTH]; | |
1659 | ||
1660 | error = &hostrcb->hcam.u.error64.u.type_23_error; | |
1661 | errors_logged = be32_to_cpu(error->errors_logged); | |
1662 | ||
1663 | ipr_err("Device Errors Detected/Logged: %d/%d\n", | |
1664 | be32_to_cpu(error->errors_detected), errors_logged); | |
1665 | ||
1666 | dev_entry = error->dev; | |
1667 | ||
1668 | for (i = 0; i < errors_logged; i++, dev_entry++) { | |
1669 | ipr_err_separator; | |
1670 | ||
1671 | ipr_err("Device %d : %s", i + 1, | |
b3b3b407 BK |
1672 | __ipr_format_res_path(dev_entry->res_path, |
1673 | buffer, sizeof(buffer))); | |
4565e370 WB |
1674 | ipr_log_ext_vpd(&dev_entry->vpd); |
1675 | ||
1676 | ipr_err("-----New Device Information-----\n"); | |
1677 | ipr_log_ext_vpd(&dev_entry->new_vpd); | |
1678 | ||
1679 | ipr_err("Cache Directory Card Information:\n"); | |
1680 | ipr_log_ext_vpd(&dev_entry->ioa_last_with_dev_vpd); | |
1681 | ||
1682 | ipr_err("Adapter Card Information:\n"); | |
1683 | ipr_log_ext_vpd(&dev_entry->cfc_last_with_dev_vpd); | |
1684 | } | |
1685 | } | |
1686 | ||
1da177e4 LT |
1687 | /** |
1688 | * ipr_log_config_error - Log a configuration error. | |
1689 | * @ioa_cfg: ioa config struct | |
1690 | * @hostrcb: hostrcb struct | |
1691 | * | |
1692 | * Return value: | |
1693 | * none | |
1694 | **/ | |
1695 | static void ipr_log_config_error(struct ipr_ioa_cfg *ioa_cfg, | |
1696 | struct ipr_hostrcb *hostrcb) | |
1697 | { | |
1698 | int errors_logged, i; | |
1699 | struct ipr_hostrcb_device_data_entry *dev_entry; | |
1700 | struct ipr_hostrcb_type_03_error *error; | |
1701 | ||
1702 | error = &hostrcb->hcam.u.error.u.type_03_error; | |
1703 | errors_logged = be32_to_cpu(error->errors_logged); | |
1704 | ||
1705 | ipr_err("Device Errors Detected/Logged: %d/%d\n", | |
1706 | be32_to_cpu(error->errors_detected), errors_logged); | |
1707 | ||
cfc32139 | 1708 | dev_entry = error->dev; |
1da177e4 LT |
1709 | |
1710 | for (i = 0; i < errors_logged; i++, dev_entry++) { | |
1711 | ipr_err_separator; | |
1712 | ||
fa15b1f6 | 1713 | ipr_phys_res_err(ioa_cfg, dev_entry->dev_res_addr, "Device %d", i + 1); |
cfc32139 | 1714 | ipr_log_vpd(&dev_entry->vpd); |
1da177e4 LT |
1715 | |
1716 | ipr_err("-----New Device Information-----\n"); | |
cfc32139 | 1717 | ipr_log_vpd(&dev_entry->new_vpd); |
1da177e4 LT |
1718 | |
1719 | ipr_err("Cache Directory Card Information:\n"); | |
cfc32139 | 1720 | ipr_log_vpd(&dev_entry->ioa_last_with_dev_vpd); |
1da177e4 LT |
1721 | |
1722 | ipr_err("Adapter Card Information:\n"); | |
cfc32139 | 1723 | ipr_log_vpd(&dev_entry->cfc_last_with_dev_vpd); |
1da177e4 LT |
1724 | |
1725 | ipr_err("Additional IOA Data: %08X %08X %08X %08X %08X\n", | |
1726 | be32_to_cpu(dev_entry->ioa_data[0]), | |
1727 | be32_to_cpu(dev_entry->ioa_data[1]), | |
1728 | be32_to_cpu(dev_entry->ioa_data[2]), | |
1729 | be32_to_cpu(dev_entry->ioa_data[3]), | |
1730 | be32_to_cpu(dev_entry->ioa_data[4])); | |
1731 | } | |
1732 | } | |
1733 | ||
ee0f05b8 BK |
1734 | /** |
1735 | * ipr_log_enhanced_array_error - Log an array configuration error. | |
1736 | * @ioa_cfg: ioa config struct | |
1737 | * @hostrcb: hostrcb struct | |
1738 | * | |
1739 | * Return value: | |
1740 | * none | |
1741 | **/ | |
1742 | static void ipr_log_enhanced_array_error(struct ipr_ioa_cfg *ioa_cfg, | |
1743 | struct ipr_hostrcb *hostrcb) | |
1744 | { | |
1745 | int i, num_entries; | |
1746 | struct ipr_hostrcb_type_14_error *error; | |
1747 | struct ipr_hostrcb_array_data_entry_enhanced *array_entry; | |
1748 | const u8 zero_sn[IPR_SERIAL_NUM_LEN] = { [0 ... IPR_SERIAL_NUM_LEN-1] = '0' }; | |
1749 | ||
1750 | error = &hostrcb->hcam.u.error.u.type_14_error; | |
1751 | ||
1752 | ipr_err_separator; | |
1753 | ||
1754 | ipr_err("RAID %s Array Configuration: %d:%d:%d:%d\n", | |
1755 | error->protection_level, | |
1756 | ioa_cfg->host->host_no, | |
1757 | error->last_func_vset_res_addr.bus, | |
1758 | error->last_func_vset_res_addr.target, | |
1759 | error->last_func_vset_res_addr.lun); | |
1760 | ||
1761 | ipr_err_separator; | |
1762 | ||
1763 | array_entry = error->array_member; | |
1764 | num_entries = min_t(u32, be32_to_cpu(error->num_entries), | |
7262026f | 1765 | ARRAY_SIZE(error->array_member)); |
ee0f05b8 BK |
1766 | |
1767 | for (i = 0; i < num_entries; i++, array_entry++) { | |
1768 | if (!memcmp(array_entry->vpd.vpd.sn, zero_sn, IPR_SERIAL_NUM_LEN)) | |
1769 | continue; | |
1770 | ||
1771 | if (be32_to_cpu(error->exposed_mode_adn) == i) | |
1772 | ipr_err("Exposed Array Member %d:\n", i); | |
1773 | else | |
1774 | ipr_err("Array Member %d:\n", i); | |
1775 | ||
1776 | ipr_log_ext_vpd(&array_entry->vpd); | |
1777 | ipr_phys_res_err(ioa_cfg, array_entry->dev_res_addr, "Current Location"); | |
1778 | ipr_phys_res_err(ioa_cfg, array_entry->expected_dev_res_addr, | |
1779 | "Expected Location"); | |
1780 | ||
1781 | ipr_err_separator; | |
1782 | } | |
1783 | } | |
1784 | ||
1da177e4 LT |
1785 | /** |
1786 | * ipr_log_array_error - Log an array configuration error. | |
1787 | * @ioa_cfg: ioa config struct | |
1788 | * @hostrcb: hostrcb struct | |
1789 | * | |
1790 | * Return value: | |
1791 | * none | |
1792 | **/ | |
1793 | static void ipr_log_array_error(struct ipr_ioa_cfg *ioa_cfg, | |
1794 | struct ipr_hostrcb *hostrcb) | |
1795 | { | |
1796 | int i; | |
1797 | struct ipr_hostrcb_type_04_error *error; | |
1798 | struct ipr_hostrcb_array_data_entry *array_entry; | |
1799 | const u8 zero_sn[IPR_SERIAL_NUM_LEN] = { [0 ... IPR_SERIAL_NUM_LEN-1] = '0' }; | |
1800 | ||
1801 | error = &hostrcb->hcam.u.error.u.type_04_error; | |
1802 | ||
1803 | ipr_err_separator; | |
1804 | ||
1805 | ipr_err("RAID %s Array Configuration: %d:%d:%d:%d\n", | |
1806 | error->protection_level, | |
1807 | ioa_cfg->host->host_no, | |
1808 | error->last_func_vset_res_addr.bus, | |
1809 | error->last_func_vset_res_addr.target, | |
1810 | error->last_func_vset_res_addr.lun); | |
1811 | ||
1812 | ipr_err_separator; | |
1813 | ||
1814 | array_entry = error->array_member; | |
1815 | ||
1816 | for (i = 0; i < 18; i++) { | |
cfc32139 | 1817 | if (!memcmp(array_entry->vpd.sn, zero_sn, IPR_SERIAL_NUM_LEN)) |
1da177e4 LT |
1818 | continue; |
1819 | ||
fa15b1f6 | 1820 | if (be32_to_cpu(error->exposed_mode_adn) == i) |
1da177e4 | 1821 | ipr_err("Exposed Array Member %d:\n", i); |
fa15b1f6 | 1822 | else |
1da177e4 | 1823 | ipr_err("Array Member %d:\n", i); |
1da177e4 | 1824 | |
cfc32139 | 1825 | ipr_log_vpd(&array_entry->vpd); |
1da177e4 | 1826 | |
fa15b1f6 BK |
1827 | ipr_phys_res_err(ioa_cfg, array_entry->dev_res_addr, "Current Location"); |
1828 | ipr_phys_res_err(ioa_cfg, array_entry->expected_dev_res_addr, | |
1829 | "Expected Location"); | |
1da177e4 LT |
1830 | |
1831 | ipr_err_separator; | |
1832 | ||
1833 | if (i == 9) | |
1834 | array_entry = error->array_member2; | |
1835 | else | |
1836 | array_entry++; | |
1837 | } | |
1838 | } | |
1839 | ||
1840 | /** | |
b0df54bb | 1841 | * ipr_log_hex_data - Log additional hex IOA error data. |
ac719aba | 1842 | * @ioa_cfg: ioa config struct |
b0df54bb BK |
1843 | * @data: IOA error data |
1844 | * @len: data length | |
1da177e4 LT |
1845 | * |
1846 | * Return value: | |
1847 | * none | |
1848 | **/ | |
ac719aba | 1849 | static void ipr_log_hex_data(struct ipr_ioa_cfg *ioa_cfg, u32 *data, int len) |
1da177e4 LT |
1850 | { |
1851 | int i; | |
1da177e4 | 1852 | |
b0df54bb | 1853 | if (len == 0) |
1da177e4 LT |
1854 | return; |
1855 | ||
ac719aba BK |
1856 | if (ioa_cfg->log_level <= IPR_DEFAULT_LOG_LEVEL) |
1857 | len = min_t(int, len, IPR_DEFAULT_MAX_ERROR_DUMP); | |
1858 | ||
b0df54bb | 1859 | for (i = 0; i < len / 4; i += 4) { |
1da177e4 | 1860 | ipr_err("%08X: %08X %08X %08X %08X\n", i*4, |
b0df54bb BK |
1861 | be32_to_cpu(data[i]), |
1862 | be32_to_cpu(data[i+1]), | |
1863 | be32_to_cpu(data[i+2]), | |
1864 | be32_to_cpu(data[i+3])); | |
1da177e4 LT |
1865 | } |
1866 | } | |
1867 | ||
ee0f05b8 BK |
1868 | /** |
1869 | * ipr_log_enhanced_dual_ioa_error - Log an enhanced dual adapter error. | |
1870 | * @ioa_cfg: ioa config struct | |
1871 | * @hostrcb: hostrcb struct | |
1872 | * | |
1873 | * Return value: | |
1874 | * none | |
1875 | **/ | |
1876 | static void ipr_log_enhanced_dual_ioa_error(struct ipr_ioa_cfg *ioa_cfg, | |
1877 | struct ipr_hostrcb *hostrcb) | |
1878 | { | |
1879 | struct ipr_hostrcb_type_17_error *error; | |
1880 | ||
4565e370 WB |
1881 | if (ioa_cfg->sis64) |
1882 | error = &hostrcb->hcam.u.error64.u.type_17_error; | |
1883 | else | |
1884 | error = &hostrcb->hcam.u.error.u.type_17_error; | |
1885 | ||
ee0f05b8 | 1886 | error->failure_reason[sizeof(error->failure_reason) - 1] = '\0'; |
ca54cb8c | 1887 | strim(error->failure_reason); |
ee0f05b8 | 1888 | |
8cf093e2 BK |
1889 | ipr_hcam_err(hostrcb, "%s [PRC: %08X]\n", error->failure_reason, |
1890 | be32_to_cpu(hostrcb->hcam.u.error.prc)); | |
1891 | ipr_log_ext_vpd_compact("Remote IOA", hostrcb, &error->vpd); | |
ac719aba | 1892 | ipr_log_hex_data(ioa_cfg, error->data, |
ee0f05b8 BK |
1893 | be32_to_cpu(hostrcb->hcam.length) - |
1894 | (offsetof(struct ipr_hostrcb_error, u) + | |
1895 | offsetof(struct ipr_hostrcb_type_17_error, data))); | |
1896 | } | |
1897 | ||
b0df54bb BK |
1898 | /** |
1899 | * ipr_log_dual_ioa_error - Log a dual adapter error. | |
1900 | * @ioa_cfg: ioa config struct | |
1901 | * @hostrcb: hostrcb struct | |
1902 | * | |
1903 | * Return value: | |
1904 | * none | |
1905 | **/ | |
1906 | static void ipr_log_dual_ioa_error(struct ipr_ioa_cfg *ioa_cfg, | |
1907 | struct ipr_hostrcb *hostrcb) | |
1908 | { | |
1909 | struct ipr_hostrcb_type_07_error *error; | |
1910 | ||
1911 | error = &hostrcb->hcam.u.error.u.type_07_error; | |
1912 | error->failure_reason[sizeof(error->failure_reason) - 1] = '\0'; | |
ca54cb8c | 1913 | strim(error->failure_reason); |
b0df54bb | 1914 | |
8cf093e2 BK |
1915 | ipr_hcam_err(hostrcb, "%s [PRC: %08X]\n", error->failure_reason, |
1916 | be32_to_cpu(hostrcb->hcam.u.error.prc)); | |
1917 | ipr_log_vpd_compact("Remote IOA", hostrcb, &error->vpd); | |
ac719aba | 1918 | ipr_log_hex_data(ioa_cfg, error->data, |
b0df54bb BK |
1919 | be32_to_cpu(hostrcb->hcam.length) - |
1920 | (offsetof(struct ipr_hostrcb_error, u) + | |
1921 | offsetof(struct ipr_hostrcb_type_07_error, data))); | |
1922 | } | |
1923 | ||
49dc6a18 BK |
1924 | static const struct { |
1925 | u8 active; | |
1926 | char *desc; | |
1927 | } path_active_desc[] = { | |
1928 | { IPR_PATH_NO_INFO, "Path" }, | |
1929 | { IPR_PATH_ACTIVE, "Active path" }, | |
1930 | { IPR_PATH_NOT_ACTIVE, "Inactive path" } | |
1931 | }; | |
1932 | ||
1933 | static const struct { | |
1934 | u8 state; | |
1935 | char *desc; | |
1936 | } path_state_desc[] = { | |
1937 | { IPR_PATH_STATE_NO_INFO, "has no path state information available" }, | |
1938 | { IPR_PATH_HEALTHY, "is healthy" }, | |
1939 | { IPR_PATH_DEGRADED, "is degraded" }, | |
1940 | { IPR_PATH_FAILED, "is failed" } | |
1941 | }; | |
1942 | ||
1943 | /** | |
1944 | * ipr_log_fabric_path - Log a fabric path error | |
1945 | * @hostrcb: hostrcb struct | |
1946 | * @fabric: fabric descriptor | |
1947 | * | |
1948 | * Return value: | |
1949 | * none | |
1950 | **/ | |
1951 | static void ipr_log_fabric_path(struct ipr_hostrcb *hostrcb, | |
1952 | struct ipr_hostrcb_fabric_desc *fabric) | |
1953 | { | |
1954 | int i, j; | |
1955 | u8 path_state = fabric->path_state; | |
1956 | u8 active = path_state & IPR_PATH_ACTIVE_MASK; | |
1957 | u8 state = path_state & IPR_PATH_STATE_MASK; | |
1958 | ||
1959 | for (i = 0; i < ARRAY_SIZE(path_active_desc); i++) { | |
1960 | if (path_active_desc[i].active != active) | |
1961 | continue; | |
1962 | ||
1963 | for (j = 0; j < ARRAY_SIZE(path_state_desc); j++) { | |
1964 | if (path_state_desc[j].state != state) | |
1965 | continue; | |
1966 | ||
1967 | if (fabric->cascaded_expander == 0xff && fabric->phy == 0xff) { | |
1968 | ipr_hcam_err(hostrcb, "%s %s: IOA Port=%d\n", | |
1969 | path_active_desc[i].desc, path_state_desc[j].desc, | |
1970 | fabric->ioa_port); | |
1971 | } else if (fabric->cascaded_expander == 0xff) { | |
1972 | ipr_hcam_err(hostrcb, "%s %s: IOA Port=%d, Phy=%d\n", | |
1973 | path_active_desc[i].desc, path_state_desc[j].desc, | |
1974 | fabric->ioa_port, fabric->phy); | |
1975 | } else if (fabric->phy == 0xff) { | |
1976 | ipr_hcam_err(hostrcb, "%s %s: IOA Port=%d, Cascade=%d\n", | |
1977 | path_active_desc[i].desc, path_state_desc[j].desc, | |
1978 | fabric->ioa_port, fabric->cascaded_expander); | |
1979 | } else { | |
1980 | ipr_hcam_err(hostrcb, "%s %s: IOA Port=%d, Cascade=%d, Phy=%d\n", | |
1981 | path_active_desc[i].desc, path_state_desc[j].desc, | |
1982 | fabric->ioa_port, fabric->cascaded_expander, fabric->phy); | |
1983 | } | |
1984 | return; | |
1985 | } | |
1986 | } | |
1987 | ||
1988 | ipr_err("Path state=%02X IOA Port=%d Cascade=%d Phy=%d\n", path_state, | |
1989 | fabric->ioa_port, fabric->cascaded_expander, fabric->phy); | |
1990 | } | |
1991 | ||
4565e370 WB |
1992 | /** |
1993 | * ipr_log64_fabric_path - Log a fabric path error | |
1994 | * @hostrcb: hostrcb struct | |
1995 | * @fabric: fabric descriptor | |
1996 | * | |
1997 | * Return value: | |
1998 | * none | |
1999 | **/ | |
2000 | static void ipr_log64_fabric_path(struct ipr_hostrcb *hostrcb, | |
2001 | struct ipr_hostrcb64_fabric_desc *fabric) | |
2002 | { | |
2003 | int i, j; | |
2004 | u8 path_state = fabric->path_state; | |
2005 | u8 active = path_state & IPR_PATH_ACTIVE_MASK; | |
2006 | u8 state = path_state & IPR_PATH_STATE_MASK; | |
2007 | char buffer[IPR_MAX_RES_PATH_LENGTH]; | |
2008 | ||
2009 | for (i = 0; i < ARRAY_SIZE(path_active_desc); i++) { | |
2010 | if (path_active_desc[i].active != active) | |
2011 | continue; | |
2012 | ||
2013 | for (j = 0; j < ARRAY_SIZE(path_state_desc); j++) { | |
2014 | if (path_state_desc[j].state != state) | |
2015 | continue; | |
2016 | ||
2017 | ipr_hcam_err(hostrcb, "%s %s: Resource Path=%s\n", | |
2018 | path_active_desc[i].desc, path_state_desc[j].desc, | |
b3b3b407 BK |
2019 | ipr_format_res_path(hostrcb->ioa_cfg, |
2020 | fabric->res_path, | |
2021 | buffer, sizeof(buffer))); | |
4565e370 WB |
2022 | return; |
2023 | } | |
2024 | } | |
2025 | ||
2026 | ipr_err("Path state=%02X Resource Path=%s\n", path_state, | |
b3b3b407 BK |
2027 | ipr_format_res_path(hostrcb->ioa_cfg, fabric->res_path, |
2028 | buffer, sizeof(buffer))); | |
4565e370 WB |
2029 | } |
2030 | ||
49dc6a18 BK |
2031 | static const struct { |
2032 | u8 type; | |
2033 | char *desc; | |
2034 | } path_type_desc[] = { | |
2035 | { IPR_PATH_CFG_IOA_PORT, "IOA port" }, | |
2036 | { IPR_PATH_CFG_EXP_PORT, "Expander port" }, | |
2037 | { IPR_PATH_CFG_DEVICE_PORT, "Device port" }, | |
2038 | { IPR_PATH_CFG_DEVICE_LUN, "Device LUN" } | |
2039 | }; | |
2040 | ||
2041 | static const struct { | |
2042 | u8 status; | |
2043 | char *desc; | |
2044 | } path_status_desc[] = { | |
2045 | { IPR_PATH_CFG_NO_PROB, "Functional" }, | |
2046 | { IPR_PATH_CFG_DEGRADED, "Degraded" }, | |
2047 | { IPR_PATH_CFG_FAILED, "Failed" }, | |
2048 | { IPR_PATH_CFG_SUSPECT, "Suspect" }, | |
2049 | { IPR_PATH_NOT_DETECTED, "Missing" }, | |
2050 | { IPR_PATH_INCORRECT_CONN, "Incorrectly connected" } | |
2051 | }; | |
2052 | ||
2053 | static const char *link_rate[] = { | |
2054 | "unknown", | |
2055 | "disabled", | |
2056 | "phy reset problem", | |
2057 | "spinup hold", | |
2058 | "port selector", | |
2059 | "unknown", | |
2060 | "unknown", | |
2061 | "unknown", | |
2062 | "1.5Gbps", | |
2063 | "3.0Gbps", | |
2064 | "unknown", | |
2065 | "unknown", | |
2066 | "unknown", | |
2067 | "unknown", | |
2068 | "unknown", | |
2069 | "unknown" | |
2070 | }; | |
2071 | ||
2072 | /** | |
2073 | * ipr_log_path_elem - Log a fabric path element. | |
2074 | * @hostrcb: hostrcb struct | |
2075 | * @cfg: fabric path element struct | |
2076 | * | |
2077 | * Return value: | |
2078 | * none | |
2079 | **/ | |
2080 | static void ipr_log_path_elem(struct ipr_hostrcb *hostrcb, | |
2081 | struct ipr_hostrcb_config_element *cfg) | |
2082 | { | |
2083 | int i, j; | |
2084 | u8 type = cfg->type_status & IPR_PATH_CFG_TYPE_MASK; | |
2085 | u8 status = cfg->type_status & IPR_PATH_CFG_STATUS_MASK; | |
2086 | ||
2087 | if (type == IPR_PATH_CFG_NOT_EXIST) | |
2088 | return; | |
2089 | ||
2090 | for (i = 0; i < ARRAY_SIZE(path_type_desc); i++) { | |
2091 | if (path_type_desc[i].type != type) | |
2092 | continue; | |
2093 | ||
2094 | for (j = 0; j < ARRAY_SIZE(path_status_desc); j++) { | |
2095 | if (path_status_desc[j].status != status) | |
2096 | continue; | |
2097 | ||
2098 | if (type == IPR_PATH_CFG_IOA_PORT) { | |
2099 | ipr_hcam_err(hostrcb, "%s %s: Phy=%d, Link rate=%s, WWN=%08X%08X\n", | |
2100 | path_status_desc[j].desc, path_type_desc[i].desc, | |
2101 | cfg->phy, link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], | |
2102 | be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); | |
2103 | } else { | |
2104 | if (cfg->cascaded_expander == 0xff && cfg->phy == 0xff) { | |
2105 | ipr_hcam_err(hostrcb, "%s %s: Link rate=%s, WWN=%08X%08X\n", | |
2106 | path_status_desc[j].desc, path_type_desc[i].desc, | |
2107 | link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], | |
2108 | be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); | |
2109 | } else if (cfg->cascaded_expander == 0xff) { | |
2110 | ipr_hcam_err(hostrcb, "%s %s: Phy=%d, Link rate=%s, " | |
2111 | "WWN=%08X%08X\n", path_status_desc[j].desc, | |
2112 | path_type_desc[i].desc, cfg->phy, | |
2113 | link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], | |
2114 | be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); | |
2115 | } else if (cfg->phy == 0xff) { | |
2116 | ipr_hcam_err(hostrcb, "%s %s: Cascade=%d, Link rate=%s, " | |
2117 | "WWN=%08X%08X\n", path_status_desc[j].desc, | |
2118 | path_type_desc[i].desc, cfg->cascaded_expander, | |
2119 | link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], | |
2120 | be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); | |
2121 | } else { | |
2122 | ipr_hcam_err(hostrcb, "%s %s: Cascade=%d, Phy=%d, Link rate=%s " | |
2123 | "WWN=%08X%08X\n", path_status_desc[j].desc, | |
2124 | path_type_desc[i].desc, cfg->cascaded_expander, cfg->phy, | |
2125 | link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], | |
2126 | be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); | |
2127 | } | |
2128 | } | |
2129 | return; | |
2130 | } | |
2131 | } | |
2132 | ||
2133 | ipr_hcam_err(hostrcb, "Path element=%02X: Cascade=%d Phy=%d Link rate=%s " | |
2134 | "WWN=%08X%08X\n", cfg->type_status, cfg->cascaded_expander, cfg->phy, | |
2135 | link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], | |
2136 | be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); | |
2137 | } | |
2138 | ||
4565e370 WB |
2139 | /** |
2140 | * ipr_log64_path_elem - Log a fabric path element. | |
2141 | * @hostrcb: hostrcb struct | |
2142 | * @cfg: fabric path element struct | |
2143 | * | |
2144 | * Return value: | |
2145 | * none | |
2146 | **/ | |
2147 | static void ipr_log64_path_elem(struct ipr_hostrcb *hostrcb, | |
2148 | struct ipr_hostrcb64_config_element *cfg) | |
2149 | { | |
2150 | int i, j; | |
2151 | u8 desc_id = cfg->descriptor_id & IPR_DESCRIPTOR_MASK; | |
2152 | u8 type = cfg->type_status & IPR_PATH_CFG_TYPE_MASK; | |
2153 | u8 status = cfg->type_status & IPR_PATH_CFG_STATUS_MASK; | |
2154 | char buffer[IPR_MAX_RES_PATH_LENGTH]; | |
2155 | ||
2156 | if (type == IPR_PATH_CFG_NOT_EXIST || desc_id != IPR_DESCRIPTOR_SIS64) | |
2157 | return; | |
2158 | ||
2159 | for (i = 0; i < ARRAY_SIZE(path_type_desc); i++) { | |
2160 | if (path_type_desc[i].type != type) | |
2161 | continue; | |
2162 | ||
2163 | for (j = 0; j < ARRAY_SIZE(path_status_desc); j++) { | |
2164 | if (path_status_desc[j].status != status) | |
2165 | continue; | |
2166 | ||
2167 | ipr_hcam_err(hostrcb, "%s %s: Resource Path=%s, Link rate=%s, WWN=%08X%08X\n", | |
2168 | path_status_desc[j].desc, path_type_desc[i].desc, | |
b3b3b407 BK |
2169 | ipr_format_res_path(hostrcb->ioa_cfg, |
2170 | cfg->res_path, buffer, sizeof(buffer)), | |
2171 | link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], | |
2172 | be32_to_cpu(cfg->wwid[0]), | |
2173 | be32_to_cpu(cfg->wwid[1])); | |
4565e370 WB |
2174 | return; |
2175 | } | |
2176 | } | |
2177 | ipr_hcam_err(hostrcb, "Path element=%02X: Resource Path=%s, Link rate=%s " | |
2178 | "WWN=%08X%08X\n", cfg->type_status, | |
b3b3b407 BK |
2179 | ipr_format_res_path(hostrcb->ioa_cfg, |
2180 | cfg->res_path, buffer, sizeof(buffer)), | |
2181 | link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], | |
2182 | be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); | |
4565e370 WB |
2183 | } |
2184 | ||
49dc6a18 BK |
2185 | /** |
2186 | * ipr_log_fabric_error - Log a fabric error. | |
2187 | * @ioa_cfg: ioa config struct | |
2188 | * @hostrcb: hostrcb struct | |
2189 | * | |
2190 | * Return value: | |
2191 | * none | |
2192 | **/ | |
2193 | static void ipr_log_fabric_error(struct ipr_ioa_cfg *ioa_cfg, | |
2194 | struct ipr_hostrcb *hostrcb) | |
2195 | { | |
2196 | struct ipr_hostrcb_type_20_error *error; | |
2197 | struct ipr_hostrcb_fabric_desc *fabric; | |
2198 | struct ipr_hostrcb_config_element *cfg; | |
2199 | int i, add_len; | |
2200 | ||
2201 | error = &hostrcb->hcam.u.error.u.type_20_error; | |
2202 | error->failure_reason[sizeof(error->failure_reason) - 1] = '\0'; | |
2203 | ipr_hcam_err(hostrcb, "%s\n", error->failure_reason); | |
2204 | ||
2205 | add_len = be32_to_cpu(hostrcb->hcam.length) - | |
2206 | (offsetof(struct ipr_hostrcb_error, u) + | |
2207 | offsetof(struct ipr_hostrcb_type_20_error, desc)); | |
2208 | ||
2209 | for (i = 0, fabric = error->desc; i < error->num_entries; i++) { | |
2210 | ipr_log_fabric_path(hostrcb, fabric); | |
2211 | for_each_fabric_cfg(fabric, cfg) | |
2212 | ipr_log_path_elem(hostrcb, cfg); | |
2213 | ||
2214 | add_len -= be16_to_cpu(fabric->length); | |
2215 | fabric = (struct ipr_hostrcb_fabric_desc *) | |
2216 | ((unsigned long)fabric + be16_to_cpu(fabric->length)); | |
2217 | } | |
2218 | ||
ac719aba | 2219 | ipr_log_hex_data(ioa_cfg, (u32 *)fabric, add_len); |
49dc6a18 BK |
2220 | } |
2221 | ||
4565e370 WB |
2222 | /** |
2223 | * ipr_log_sis64_array_error - Log a sis64 array error. | |
2224 | * @ioa_cfg: ioa config struct | |
2225 | * @hostrcb: hostrcb struct | |
2226 | * | |
2227 | * Return value: | |
2228 | * none | |
2229 | **/ | |
2230 | static void ipr_log_sis64_array_error(struct ipr_ioa_cfg *ioa_cfg, | |
2231 | struct ipr_hostrcb *hostrcb) | |
2232 | { | |
2233 | int i, num_entries; | |
2234 | struct ipr_hostrcb_type_24_error *error; | |
2235 | struct ipr_hostrcb64_array_data_entry *array_entry; | |
2236 | char buffer[IPR_MAX_RES_PATH_LENGTH]; | |
2237 | const u8 zero_sn[IPR_SERIAL_NUM_LEN] = { [0 ... IPR_SERIAL_NUM_LEN-1] = '0' }; | |
2238 | ||
2239 | error = &hostrcb->hcam.u.error64.u.type_24_error; | |
2240 | ||
2241 | ipr_err_separator; | |
2242 | ||
2243 | ipr_err("RAID %s Array Configuration: %s\n", | |
2244 | error->protection_level, | |
b3b3b407 BK |
2245 | ipr_format_res_path(ioa_cfg, error->last_res_path, |
2246 | buffer, sizeof(buffer))); | |
4565e370 WB |
2247 | |
2248 | ipr_err_separator; | |
2249 | ||
2250 | array_entry = error->array_member; | |
7262026f WB |
2251 | num_entries = min_t(u32, error->num_entries, |
2252 | ARRAY_SIZE(error->array_member)); | |
4565e370 WB |
2253 | |
2254 | for (i = 0; i < num_entries; i++, array_entry++) { | |
2255 | ||
2256 | if (!memcmp(array_entry->vpd.vpd.sn, zero_sn, IPR_SERIAL_NUM_LEN)) | |
2257 | continue; | |
2258 | ||
2259 | if (error->exposed_mode_adn == i) | |
2260 | ipr_err("Exposed Array Member %d:\n", i); | |
2261 | else | |
2262 | ipr_err("Array Member %d:\n", i); | |
2263 | ||
2264 | ipr_err("Array Member %d:\n", i); | |
2265 | ipr_log_ext_vpd(&array_entry->vpd); | |
7262026f | 2266 | ipr_err("Current Location: %s\n", |
b3b3b407 BK |
2267 | ipr_format_res_path(ioa_cfg, array_entry->res_path, |
2268 | buffer, sizeof(buffer))); | |
7262026f | 2269 | ipr_err("Expected Location: %s\n", |
b3b3b407 BK |
2270 | ipr_format_res_path(ioa_cfg, |
2271 | array_entry->expected_res_path, | |
2272 | buffer, sizeof(buffer))); | |
4565e370 WB |
2273 | |
2274 | ipr_err_separator; | |
2275 | } | |
2276 | } | |
2277 | ||
2278 | /** | |
2279 | * ipr_log_sis64_fabric_error - Log a sis64 fabric error. | |
2280 | * @ioa_cfg: ioa config struct | |
2281 | * @hostrcb: hostrcb struct | |
2282 | * | |
2283 | * Return value: | |
2284 | * none | |
2285 | **/ | |
2286 | static void ipr_log_sis64_fabric_error(struct ipr_ioa_cfg *ioa_cfg, | |
2287 | struct ipr_hostrcb *hostrcb) | |
2288 | { | |
2289 | struct ipr_hostrcb_type_30_error *error; | |
2290 | struct ipr_hostrcb64_fabric_desc *fabric; | |
2291 | struct ipr_hostrcb64_config_element *cfg; | |
2292 | int i, add_len; | |
2293 | ||
2294 | error = &hostrcb->hcam.u.error64.u.type_30_error; | |
2295 | ||
2296 | error->failure_reason[sizeof(error->failure_reason) - 1] = '\0'; | |
2297 | ipr_hcam_err(hostrcb, "%s\n", error->failure_reason); | |
2298 | ||
2299 | add_len = be32_to_cpu(hostrcb->hcam.length) - | |
2300 | (offsetof(struct ipr_hostrcb64_error, u) + | |
2301 | offsetof(struct ipr_hostrcb_type_30_error, desc)); | |
2302 | ||
2303 | for (i = 0, fabric = error->desc; i < error->num_entries; i++) { | |
2304 | ipr_log64_fabric_path(hostrcb, fabric); | |
2305 | for_each_fabric_cfg(fabric, cfg) | |
2306 | ipr_log64_path_elem(hostrcb, cfg); | |
2307 | ||
2308 | add_len -= be16_to_cpu(fabric->length); | |
2309 | fabric = (struct ipr_hostrcb64_fabric_desc *) | |
2310 | ((unsigned long)fabric + be16_to_cpu(fabric->length)); | |
2311 | } | |
2312 | ||
2313 | ipr_log_hex_data(ioa_cfg, (u32 *)fabric, add_len); | |
2314 | } | |
2315 | ||
b0df54bb BK |
2316 | /** |
2317 | * ipr_log_generic_error - Log an adapter error. | |
2318 | * @ioa_cfg: ioa config struct | |
2319 | * @hostrcb: hostrcb struct | |
2320 | * | |
2321 | * Return value: | |
2322 | * none | |
2323 | **/ | |
2324 | static void ipr_log_generic_error(struct ipr_ioa_cfg *ioa_cfg, | |
2325 | struct ipr_hostrcb *hostrcb) | |
2326 | { | |
ac719aba | 2327 | ipr_log_hex_data(ioa_cfg, hostrcb->hcam.u.raw.data, |
b0df54bb BK |
2328 | be32_to_cpu(hostrcb->hcam.length)); |
2329 | } | |
2330 | ||
1da177e4 LT |
2331 | /** |
2332 | * ipr_get_error - Find the specfied IOASC in the ipr_error_table. | |
2333 | * @ioasc: IOASC | |
2334 | * | |
2335 | * This function will return the index of into the ipr_error_table | |
2336 | * for the specified IOASC. If the IOASC is not in the table, | |
2337 | * 0 will be returned, which points to the entry used for unknown errors. | |
2338 | * | |
2339 | * Return value: | |
2340 | * index into the ipr_error_table | |
2341 | **/ | |
2342 | static u32 ipr_get_error(u32 ioasc) | |
2343 | { | |
2344 | int i; | |
2345 | ||
2346 | for (i = 0; i < ARRAY_SIZE(ipr_error_table); i++) | |
35a39691 | 2347 | if (ipr_error_table[i].ioasc == (ioasc & IPR_IOASC_IOASC_MASK)) |
1da177e4 LT |
2348 | return i; |
2349 | ||
2350 | return 0; | |
2351 | } | |
2352 | ||
2353 | /** | |
2354 | * ipr_handle_log_data - Log an adapter error. | |
2355 | * @ioa_cfg: ioa config struct | |
2356 | * @hostrcb: hostrcb struct | |
2357 | * | |
2358 | * This function logs an adapter error to the system. | |
2359 | * | |
2360 | * Return value: | |
2361 | * none | |
2362 | **/ | |
2363 | static void ipr_handle_log_data(struct ipr_ioa_cfg *ioa_cfg, | |
2364 | struct ipr_hostrcb *hostrcb) | |
2365 | { | |
2366 | u32 ioasc; | |
2367 | int error_index; | |
2368 | ||
2369 | if (hostrcb->hcam.notify_type != IPR_HOST_RCB_NOTIF_TYPE_ERROR_LOG_ENTRY) | |
2370 | return; | |
2371 | ||
2372 | if (hostrcb->hcam.notifications_lost == IPR_HOST_RCB_NOTIFICATIONS_LOST) | |
2373 | dev_err(&ioa_cfg->pdev->dev, "Error notifications lost\n"); | |
2374 | ||
4565e370 WB |
2375 | if (ioa_cfg->sis64) |
2376 | ioasc = be32_to_cpu(hostrcb->hcam.u.error64.fd_ioasc); | |
2377 | else | |
2378 | ioasc = be32_to_cpu(hostrcb->hcam.u.error.fd_ioasc); | |
1da177e4 | 2379 | |
4565e370 WB |
2380 | if (!ioa_cfg->sis64 && (ioasc == IPR_IOASC_BUS_WAS_RESET || |
2381 | ioasc == IPR_IOASC_BUS_WAS_RESET_BY_OTHER)) { | |
1da177e4 LT |
2382 | /* Tell the midlayer we had a bus reset so it will handle the UA properly */ |
2383 | scsi_report_bus_reset(ioa_cfg->host, | |
4565e370 | 2384 | hostrcb->hcam.u.error.fd_res_addr.bus); |
1da177e4 LT |
2385 | } |
2386 | ||
2387 | error_index = ipr_get_error(ioasc); | |
2388 | ||
2389 | if (!ipr_error_table[error_index].log_hcam) | |
2390 | return; | |
2391 | ||
49dc6a18 | 2392 | ipr_hcam_err(hostrcb, "%s\n", ipr_error_table[error_index].error); |
1da177e4 LT |
2393 | |
2394 | /* Set indication we have logged an error */ | |
2395 | ioa_cfg->errors_logged++; | |
2396 | ||
933916f3 | 2397 | if (ioa_cfg->log_level < ipr_error_table[error_index].log_hcam) |
1da177e4 | 2398 | return; |
cf852037 BK |
2399 | if (be32_to_cpu(hostrcb->hcam.length) > sizeof(hostrcb->hcam.u.raw)) |
2400 | hostrcb->hcam.length = cpu_to_be32(sizeof(hostrcb->hcam.u.raw)); | |
1da177e4 LT |
2401 | |
2402 | switch (hostrcb->hcam.overlay_id) { | |
1da177e4 LT |
2403 | case IPR_HOST_RCB_OVERLAY_ID_2: |
2404 | ipr_log_cache_error(ioa_cfg, hostrcb); | |
2405 | break; | |
2406 | case IPR_HOST_RCB_OVERLAY_ID_3: | |
2407 | ipr_log_config_error(ioa_cfg, hostrcb); | |
2408 | break; | |
2409 | case IPR_HOST_RCB_OVERLAY_ID_4: | |
2410 | case IPR_HOST_RCB_OVERLAY_ID_6: | |
2411 | ipr_log_array_error(ioa_cfg, hostrcb); | |
2412 | break; | |
b0df54bb BK |
2413 | case IPR_HOST_RCB_OVERLAY_ID_7: |
2414 | ipr_log_dual_ioa_error(ioa_cfg, hostrcb); | |
2415 | break; | |
ee0f05b8 BK |
2416 | case IPR_HOST_RCB_OVERLAY_ID_12: |
2417 | ipr_log_enhanced_cache_error(ioa_cfg, hostrcb); | |
2418 | break; | |
2419 | case IPR_HOST_RCB_OVERLAY_ID_13: | |
2420 | ipr_log_enhanced_config_error(ioa_cfg, hostrcb); | |
2421 | break; | |
2422 | case IPR_HOST_RCB_OVERLAY_ID_14: | |
2423 | case IPR_HOST_RCB_OVERLAY_ID_16: | |
2424 | ipr_log_enhanced_array_error(ioa_cfg, hostrcb); | |
2425 | break; | |
2426 | case IPR_HOST_RCB_OVERLAY_ID_17: | |
2427 | ipr_log_enhanced_dual_ioa_error(ioa_cfg, hostrcb); | |
2428 | break; | |
49dc6a18 BK |
2429 | case IPR_HOST_RCB_OVERLAY_ID_20: |
2430 | ipr_log_fabric_error(ioa_cfg, hostrcb); | |
2431 | break; | |
4565e370 WB |
2432 | case IPR_HOST_RCB_OVERLAY_ID_23: |
2433 | ipr_log_sis64_config_error(ioa_cfg, hostrcb); | |
2434 | break; | |
2435 | case IPR_HOST_RCB_OVERLAY_ID_24: | |
2436 | case IPR_HOST_RCB_OVERLAY_ID_26: | |
2437 | ipr_log_sis64_array_error(ioa_cfg, hostrcb); | |
2438 | break; | |
2439 | case IPR_HOST_RCB_OVERLAY_ID_30: | |
2440 | ipr_log_sis64_fabric_error(ioa_cfg, hostrcb); | |
2441 | break; | |
cf852037 | 2442 | case IPR_HOST_RCB_OVERLAY_ID_1: |
1da177e4 | 2443 | case IPR_HOST_RCB_OVERLAY_ID_DEFAULT: |
1da177e4 | 2444 | default: |
a9cfca96 | 2445 | ipr_log_generic_error(ioa_cfg, hostrcb); |
1da177e4 LT |
2446 | break; |
2447 | } | |
2448 | } | |
2449 | ||
2450 | /** | |
2451 | * ipr_process_error - Op done function for an adapter error log. | |
2452 | * @ipr_cmd: ipr command struct | |
2453 | * | |
2454 | * This function is the op done function for an error log host | |
2455 | * controlled async from the adapter. It will log the error and | |
2456 | * send the HCAM back to the adapter. | |
2457 | * | |
2458 | * Return value: | |
2459 | * none | |
2460 | **/ | |
2461 | static void ipr_process_error(struct ipr_cmnd *ipr_cmd) | |
2462 | { | |
2463 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
2464 | struct ipr_hostrcb *hostrcb = ipr_cmd->u.hostrcb; | |
96d21f00 | 2465 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
4565e370 WB |
2466 | u32 fd_ioasc; |
2467 | ||
2468 | if (ioa_cfg->sis64) | |
2469 | fd_ioasc = be32_to_cpu(hostrcb->hcam.u.error64.fd_ioasc); | |
2470 | else | |
2471 | fd_ioasc = be32_to_cpu(hostrcb->hcam.u.error.fd_ioasc); | |
1da177e4 LT |
2472 | |
2473 | list_del(&hostrcb->queue); | |
05a6538a | 2474 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
1da177e4 LT |
2475 | |
2476 | if (!ioasc) { | |
2477 | ipr_handle_log_data(ioa_cfg, hostrcb); | |
65f56475 BK |
2478 | if (fd_ioasc == IPR_IOASC_NR_IOA_RESET_REQUIRED) |
2479 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_ABBREV); | |
1da177e4 LT |
2480 | } else if (ioasc != IPR_IOASC_IOA_WAS_RESET) { |
2481 | dev_err(&ioa_cfg->pdev->dev, | |
2482 | "Host RCB failed with IOASC: 0x%08X\n", ioasc); | |
2483 | } | |
2484 | ||
2485 | ipr_send_hcam(ioa_cfg, IPR_HCAM_CDB_OP_CODE_LOG_DATA, hostrcb); | |
2486 | } | |
2487 | ||
2488 | /** | |
2489 | * ipr_timeout - An internally generated op has timed out. | |
2490 | * @ipr_cmd: ipr command struct | |
2491 | * | |
2492 | * This function blocks host requests and initiates an | |
2493 | * adapter reset. | |
2494 | * | |
2495 | * Return value: | |
2496 | * none | |
2497 | **/ | |
2498 | static void ipr_timeout(struct ipr_cmnd *ipr_cmd) | |
2499 | { | |
2500 | unsigned long lock_flags = 0; | |
2501 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
2502 | ||
2503 | ENTER; | |
2504 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
2505 | ||
2506 | ioa_cfg->errors_logged++; | |
2507 | dev_err(&ioa_cfg->pdev->dev, | |
2508 | "Adapter being reset due to command timeout.\n"); | |
2509 | ||
2510 | if (WAIT_FOR_DUMP == ioa_cfg->sdt_state) | |
2511 | ioa_cfg->sdt_state = GET_DUMP; | |
2512 | ||
2513 | if (!ioa_cfg->in_reset_reload || ioa_cfg->reset_cmd == ipr_cmd) | |
2514 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); | |
2515 | ||
2516 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
2517 | LEAVE; | |
2518 | } | |
2519 | ||
2520 | /** | |
2521 | * ipr_oper_timeout - Adapter timed out transitioning to operational | |
2522 | * @ipr_cmd: ipr command struct | |
2523 | * | |
2524 | * This function blocks host requests and initiates an | |
2525 | * adapter reset. | |
2526 | * | |
2527 | * Return value: | |
2528 | * none | |
2529 | **/ | |
2530 | static void ipr_oper_timeout(struct ipr_cmnd *ipr_cmd) | |
2531 | { | |
2532 | unsigned long lock_flags = 0; | |
2533 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
2534 | ||
2535 | ENTER; | |
2536 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
2537 | ||
2538 | ioa_cfg->errors_logged++; | |
2539 | dev_err(&ioa_cfg->pdev->dev, | |
2540 | "Adapter timed out transitioning to operational.\n"); | |
2541 | ||
2542 | if (WAIT_FOR_DUMP == ioa_cfg->sdt_state) | |
2543 | ioa_cfg->sdt_state = GET_DUMP; | |
2544 | ||
2545 | if (!ioa_cfg->in_reset_reload || ioa_cfg->reset_cmd == ipr_cmd) { | |
2546 | if (ipr_fastfail) | |
2547 | ioa_cfg->reset_retries += IPR_NUM_RESET_RELOAD_RETRIES; | |
2548 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); | |
2549 | } | |
2550 | ||
2551 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
2552 | LEAVE; | |
2553 | } | |
2554 | ||
1da177e4 LT |
2555 | /** |
2556 | * ipr_find_ses_entry - Find matching SES in SES table | |
2557 | * @res: resource entry struct of SES | |
2558 | * | |
2559 | * Return value: | |
2560 | * pointer to SES table entry / NULL on failure | |
2561 | **/ | |
2562 | static const struct ipr_ses_table_entry * | |
2563 | ipr_find_ses_entry(struct ipr_resource_entry *res) | |
2564 | { | |
2565 | int i, j, matches; | |
3e7ebdfa | 2566 | struct ipr_std_inq_vpids *vpids; |
1da177e4 LT |
2567 | const struct ipr_ses_table_entry *ste = ipr_ses_table; |
2568 | ||
2569 | for (i = 0; i < ARRAY_SIZE(ipr_ses_table); i++, ste++) { | |
2570 | for (j = 0, matches = 0; j < IPR_PROD_ID_LEN; j++) { | |
2571 | if (ste->compare_product_id_byte[j] == 'X') { | |
3e7ebdfa WB |
2572 | vpids = &res->std_inq_data.vpids; |
2573 | if (vpids->product_id[j] == ste->product_id[j]) | |
1da177e4 LT |
2574 | matches++; |
2575 | else | |
2576 | break; | |
2577 | } else | |
2578 | matches++; | |
2579 | } | |
2580 | ||
2581 | if (matches == IPR_PROD_ID_LEN) | |
2582 | return ste; | |
2583 | } | |
2584 | ||
2585 | return NULL; | |
2586 | } | |
2587 | ||
2588 | /** | |
2589 | * ipr_get_max_scsi_speed - Determine max SCSI speed for a given bus | |
2590 | * @ioa_cfg: ioa config struct | |
2591 | * @bus: SCSI bus | |
2592 | * @bus_width: bus width | |
2593 | * | |
2594 | * Return value: | |
2595 | * SCSI bus speed in units of 100KHz, 1600 is 160 MHz | |
2596 | * For a 2-byte wide SCSI bus, the maximum transfer speed is | |
2597 | * twice the maximum transfer rate (e.g. for a wide enabled bus, | |
2598 | * max 160MHz = max 320MB/sec). | |
2599 | **/ | |
2600 | static u32 ipr_get_max_scsi_speed(struct ipr_ioa_cfg *ioa_cfg, u8 bus, u8 bus_width) | |
2601 | { | |
2602 | struct ipr_resource_entry *res; | |
2603 | const struct ipr_ses_table_entry *ste; | |
2604 | u32 max_xfer_rate = IPR_MAX_SCSI_RATE(bus_width); | |
2605 | ||
2606 | /* Loop through each config table entry in the config table buffer */ | |
2607 | list_for_each_entry(res, &ioa_cfg->used_res_q, queue) { | |
3e7ebdfa | 2608 | if (!(IPR_IS_SES_DEVICE(res->std_inq_data))) |
1da177e4 LT |
2609 | continue; |
2610 | ||
3e7ebdfa | 2611 | if (bus != res->bus) |
1da177e4 LT |
2612 | continue; |
2613 | ||
2614 | if (!(ste = ipr_find_ses_entry(res))) | |
2615 | continue; | |
2616 | ||
2617 | max_xfer_rate = (ste->max_bus_speed_limit * 10) / (bus_width / 8); | |
2618 | } | |
2619 | ||
2620 | return max_xfer_rate; | |
2621 | } | |
2622 | ||
2623 | /** | |
2624 | * ipr_wait_iodbg_ack - Wait for an IODEBUG ACK from the IOA | |
2625 | * @ioa_cfg: ioa config struct | |
2626 | * @max_delay: max delay in micro-seconds to wait | |
2627 | * | |
2628 | * Waits for an IODEBUG ACK from the IOA, doing busy looping. | |
2629 | * | |
2630 | * Return value: | |
2631 | * 0 on success / other on failure | |
2632 | **/ | |
2633 | static int ipr_wait_iodbg_ack(struct ipr_ioa_cfg *ioa_cfg, int max_delay) | |
2634 | { | |
2635 | volatile u32 pcii_reg; | |
2636 | int delay = 1; | |
2637 | ||
2638 | /* Read interrupt reg until IOA signals IO Debug Acknowledge */ | |
2639 | while (delay < max_delay) { | |
2640 | pcii_reg = readl(ioa_cfg->regs.sense_interrupt_reg); | |
2641 | ||
2642 | if (pcii_reg & IPR_PCII_IO_DEBUG_ACKNOWLEDGE) | |
2643 | return 0; | |
2644 | ||
2645 | /* udelay cannot be used if delay is more than a few milliseconds */ | |
2646 | if ((delay / 1000) > MAX_UDELAY_MS) | |
2647 | mdelay(delay / 1000); | |
2648 | else | |
2649 | udelay(delay); | |
2650 | ||
2651 | delay += delay; | |
2652 | } | |
2653 | return -EIO; | |
2654 | } | |
2655 | ||
dcbad00e WB |
2656 | /** |
2657 | * ipr_get_sis64_dump_data_section - Dump IOA memory | |
2658 | * @ioa_cfg: ioa config struct | |
2659 | * @start_addr: adapter address to dump | |
2660 | * @dest: destination kernel buffer | |
2661 | * @length_in_words: length to dump in 4 byte words | |
2662 | * | |
2663 | * Return value: | |
2664 | * 0 on success | |
2665 | **/ | |
2666 | static int ipr_get_sis64_dump_data_section(struct ipr_ioa_cfg *ioa_cfg, | |
2667 | u32 start_addr, | |
2668 | __be32 *dest, u32 length_in_words) | |
2669 | { | |
2670 | int i; | |
2671 | ||
2672 | for (i = 0; i < length_in_words; i++) { | |
2673 | writel(start_addr+(i*4), ioa_cfg->regs.dump_addr_reg); | |
2674 | *dest = cpu_to_be32(readl(ioa_cfg->regs.dump_data_reg)); | |
2675 | dest++; | |
2676 | } | |
2677 | ||
2678 | return 0; | |
2679 | } | |
2680 | ||
1da177e4 LT |
2681 | /** |
2682 | * ipr_get_ldump_data_section - Dump IOA memory | |
2683 | * @ioa_cfg: ioa config struct | |
2684 | * @start_addr: adapter address to dump | |
2685 | * @dest: destination kernel buffer | |
2686 | * @length_in_words: length to dump in 4 byte words | |
2687 | * | |
2688 | * Return value: | |
2689 | * 0 on success / -EIO on failure | |
2690 | **/ | |
2691 | static int ipr_get_ldump_data_section(struct ipr_ioa_cfg *ioa_cfg, | |
2692 | u32 start_addr, | |
2693 | __be32 *dest, u32 length_in_words) | |
2694 | { | |
2695 | volatile u32 temp_pcii_reg; | |
2696 | int i, delay = 0; | |
2697 | ||
dcbad00e WB |
2698 | if (ioa_cfg->sis64) |
2699 | return ipr_get_sis64_dump_data_section(ioa_cfg, start_addr, | |
2700 | dest, length_in_words); | |
2701 | ||
1da177e4 LT |
2702 | /* Write IOA interrupt reg starting LDUMP state */ |
2703 | writel((IPR_UPROCI_RESET_ALERT | IPR_UPROCI_IO_DEBUG_ALERT), | |
214777ba | 2704 | ioa_cfg->regs.set_uproc_interrupt_reg32); |
1da177e4 LT |
2705 | |
2706 | /* Wait for IO debug acknowledge */ | |
2707 | if (ipr_wait_iodbg_ack(ioa_cfg, | |
2708 | IPR_LDUMP_MAX_LONG_ACK_DELAY_IN_USEC)) { | |
2709 | dev_err(&ioa_cfg->pdev->dev, | |
2710 | "IOA dump long data transfer timeout\n"); | |
2711 | return -EIO; | |
2712 | } | |
2713 | ||
2714 | /* Signal LDUMP interlocked - clear IO debug ack */ | |
2715 | writel(IPR_PCII_IO_DEBUG_ACKNOWLEDGE, | |
2716 | ioa_cfg->regs.clr_interrupt_reg); | |
2717 | ||
2718 | /* Write Mailbox with starting address */ | |
2719 | writel(start_addr, ioa_cfg->ioa_mailbox); | |
2720 | ||
2721 | /* Signal address valid - clear IOA Reset alert */ | |
2722 | writel(IPR_UPROCI_RESET_ALERT, | |
214777ba | 2723 | ioa_cfg->regs.clr_uproc_interrupt_reg32); |
1da177e4 LT |
2724 | |
2725 | for (i = 0; i < length_in_words; i++) { | |
2726 | /* Wait for IO debug acknowledge */ | |
2727 | if (ipr_wait_iodbg_ack(ioa_cfg, | |
2728 | IPR_LDUMP_MAX_SHORT_ACK_DELAY_IN_USEC)) { | |
2729 | dev_err(&ioa_cfg->pdev->dev, | |
2730 | "IOA dump short data transfer timeout\n"); | |
2731 | return -EIO; | |
2732 | } | |
2733 | ||
2734 | /* Read data from mailbox and increment destination pointer */ | |
2735 | *dest = cpu_to_be32(readl(ioa_cfg->ioa_mailbox)); | |
2736 | dest++; | |
2737 | ||
2738 | /* For all but the last word of data, signal data received */ | |
2739 | if (i < (length_in_words - 1)) { | |
2740 | /* Signal dump data received - Clear IO debug Ack */ | |
2741 | writel(IPR_PCII_IO_DEBUG_ACKNOWLEDGE, | |
2742 | ioa_cfg->regs.clr_interrupt_reg); | |
2743 | } | |
2744 | } | |
2745 | ||
2746 | /* Signal end of block transfer. Set reset alert then clear IO debug ack */ | |
2747 | writel(IPR_UPROCI_RESET_ALERT, | |
214777ba | 2748 | ioa_cfg->regs.set_uproc_interrupt_reg32); |
1da177e4 LT |
2749 | |
2750 | writel(IPR_UPROCI_IO_DEBUG_ALERT, | |
214777ba | 2751 | ioa_cfg->regs.clr_uproc_interrupt_reg32); |
1da177e4 LT |
2752 | |
2753 | /* Signal dump data received - Clear IO debug Ack */ | |
2754 | writel(IPR_PCII_IO_DEBUG_ACKNOWLEDGE, | |
2755 | ioa_cfg->regs.clr_interrupt_reg); | |
2756 | ||
2757 | /* Wait for IOA to signal LDUMP exit - IOA reset alert will be cleared */ | |
2758 | while (delay < IPR_LDUMP_MAX_SHORT_ACK_DELAY_IN_USEC) { | |
2759 | temp_pcii_reg = | |
214777ba | 2760 | readl(ioa_cfg->regs.sense_uproc_interrupt_reg32); |
1da177e4 LT |
2761 | |
2762 | if (!(temp_pcii_reg & IPR_UPROCI_RESET_ALERT)) | |
2763 | return 0; | |
2764 | ||
2765 | udelay(10); | |
2766 | delay += 10; | |
2767 | } | |
2768 | ||
2769 | return 0; | |
2770 | } | |
2771 | ||
2772 | #ifdef CONFIG_SCSI_IPR_DUMP | |
2773 | /** | |
2774 | * ipr_sdt_copy - Copy Smart Dump Table to kernel buffer | |
2775 | * @ioa_cfg: ioa config struct | |
2776 | * @pci_address: adapter address | |
2777 | * @length: length of data to copy | |
2778 | * | |
2779 | * Copy data from PCI adapter to kernel buffer. | |
2780 | * Note: length MUST be a 4 byte multiple | |
2781 | * Return value: | |
2782 | * 0 on success / other on failure | |
2783 | **/ | |
2784 | static int ipr_sdt_copy(struct ipr_ioa_cfg *ioa_cfg, | |
2785 | unsigned long pci_address, u32 length) | |
2786 | { | |
2787 | int bytes_copied = 0; | |
4d4dd706 | 2788 | int cur_len, rc, rem_len, rem_page_len, max_dump_size; |
1da177e4 LT |
2789 | __be32 *page; |
2790 | unsigned long lock_flags = 0; | |
2791 | struct ipr_ioa_dump *ioa_dump = &ioa_cfg->dump->ioa_dump; | |
2792 | ||
4d4dd706 KSS |
2793 | if (ioa_cfg->sis64) |
2794 | max_dump_size = IPR_FMT3_MAX_IOA_DUMP_SIZE; | |
2795 | else | |
2796 | max_dump_size = IPR_FMT2_MAX_IOA_DUMP_SIZE; | |
2797 | ||
1da177e4 | 2798 | while (bytes_copied < length && |
4d4dd706 | 2799 | (ioa_dump->hdr.len + bytes_copied) < max_dump_size) { |
1da177e4 LT |
2800 | if (ioa_dump->page_offset >= PAGE_SIZE || |
2801 | ioa_dump->page_offset == 0) { | |
2802 | page = (__be32 *)__get_free_page(GFP_ATOMIC); | |
2803 | ||
2804 | if (!page) { | |
2805 | ipr_trace; | |
2806 | return bytes_copied; | |
2807 | } | |
2808 | ||
2809 | ioa_dump->page_offset = 0; | |
2810 | ioa_dump->ioa_data[ioa_dump->next_page_index] = page; | |
2811 | ioa_dump->next_page_index++; | |
2812 | } else | |
2813 | page = ioa_dump->ioa_data[ioa_dump->next_page_index - 1]; | |
2814 | ||
2815 | rem_len = length - bytes_copied; | |
2816 | rem_page_len = PAGE_SIZE - ioa_dump->page_offset; | |
2817 | cur_len = min(rem_len, rem_page_len); | |
2818 | ||
2819 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
2820 | if (ioa_cfg->sdt_state == ABORT_DUMP) { | |
2821 | rc = -EIO; | |
2822 | } else { | |
2823 | rc = ipr_get_ldump_data_section(ioa_cfg, | |
2824 | pci_address + bytes_copied, | |
2825 | &page[ioa_dump->page_offset / 4], | |
2826 | (cur_len / sizeof(u32))); | |
2827 | } | |
2828 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
2829 | ||
2830 | if (!rc) { | |
2831 | ioa_dump->page_offset += cur_len; | |
2832 | bytes_copied += cur_len; | |
2833 | } else { | |
2834 | ipr_trace; | |
2835 | break; | |
2836 | } | |
2837 | schedule(); | |
2838 | } | |
2839 | ||
2840 | return bytes_copied; | |
2841 | } | |
2842 | ||
2843 | /** | |
2844 | * ipr_init_dump_entry_hdr - Initialize a dump entry header. | |
2845 | * @hdr: dump entry header struct | |
2846 | * | |
2847 | * Return value: | |
2848 | * nothing | |
2849 | **/ | |
2850 | static void ipr_init_dump_entry_hdr(struct ipr_dump_entry_header *hdr) | |
2851 | { | |
2852 | hdr->eye_catcher = IPR_DUMP_EYE_CATCHER; | |
2853 | hdr->num_elems = 1; | |
2854 | hdr->offset = sizeof(*hdr); | |
2855 | hdr->status = IPR_DUMP_STATUS_SUCCESS; | |
2856 | } | |
2857 | ||
2858 | /** | |
2859 | * ipr_dump_ioa_type_data - Fill in the adapter type in the dump. | |
2860 | * @ioa_cfg: ioa config struct | |
2861 | * @driver_dump: driver dump struct | |
2862 | * | |
2863 | * Return value: | |
2864 | * nothing | |
2865 | **/ | |
2866 | static void ipr_dump_ioa_type_data(struct ipr_ioa_cfg *ioa_cfg, | |
2867 | struct ipr_driver_dump *driver_dump) | |
2868 | { | |
2869 | struct ipr_inquiry_page3 *ucode_vpd = &ioa_cfg->vpd_cbs->page3_data; | |
2870 | ||
2871 | ipr_init_dump_entry_hdr(&driver_dump->ioa_type_entry.hdr); | |
2872 | driver_dump->ioa_type_entry.hdr.len = | |
2873 | sizeof(struct ipr_dump_ioa_type_entry) - | |
2874 | sizeof(struct ipr_dump_entry_header); | |
2875 | driver_dump->ioa_type_entry.hdr.data_type = IPR_DUMP_DATA_TYPE_BINARY; | |
2876 | driver_dump->ioa_type_entry.hdr.id = IPR_DUMP_DRIVER_TYPE_ID; | |
2877 | driver_dump->ioa_type_entry.type = ioa_cfg->type; | |
2878 | driver_dump->ioa_type_entry.fw_version = (ucode_vpd->major_release << 24) | | |
2879 | (ucode_vpd->card_type << 16) | (ucode_vpd->minor_release[0] << 8) | | |
2880 | ucode_vpd->minor_release[1]; | |
2881 | driver_dump->hdr.num_entries++; | |
2882 | } | |
2883 | ||
2884 | /** | |
2885 | * ipr_dump_version_data - Fill in the driver version in the dump. | |
2886 | * @ioa_cfg: ioa config struct | |
2887 | * @driver_dump: driver dump struct | |
2888 | * | |
2889 | * Return value: | |
2890 | * nothing | |
2891 | **/ | |
2892 | static void ipr_dump_version_data(struct ipr_ioa_cfg *ioa_cfg, | |
2893 | struct ipr_driver_dump *driver_dump) | |
2894 | { | |
2895 | ipr_init_dump_entry_hdr(&driver_dump->version_entry.hdr); | |
2896 | driver_dump->version_entry.hdr.len = | |
2897 | sizeof(struct ipr_dump_version_entry) - | |
2898 | sizeof(struct ipr_dump_entry_header); | |
2899 | driver_dump->version_entry.hdr.data_type = IPR_DUMP_DATA_TYPE_ASCII; | |
2900 | driver_dump->version_entry.hdr.id = IPR_DUMP_DRIVER_VERSION_ID; | |
2901 | strcpy(driver_dump->version_entry.version, IPR_DRIVER_VERSION); | |
2902 | driver_dump->hdr.num_entries++; | |
2903 | } | |
2904 | ||
2905 | /** | |
2906 | * ipr_dump_trace_data - Fill in the IOA trace in the dump. | |
2907 | * @ioa_cfg: ioa config struct | |
2908 | * @driver_dump: driver dump struct | |
2909 | * | |
2910 | * Return value: | |
2911 | * nothing | |
2912 | **/ | |
2913 | static void ipr_dump_trace_data(struct ipr_ioa_cfg *ioa_cfg, | |
2914 | struct ipr_driver_dump *driver_dump) | |
2915 | { | |
2916 | ipr_init_dump_entry_hdr(&driver_dump->trace_entry.hdr); | |
2917 | driver_dump->trace_entry.hdr.len = | |
2918 | sizeof(struct ipr_dump_trace_entry) - | |
2919 | sizeof(struct ipr_dump_entry_header); | |
2920 | driver_dump->trace_entry.hdr.data_type = IPR_DUMP_DATA_TYPE_BINARY; | |
2921 | driver_dump->trace_entry.hdr.id = IPR_DUMP_TRACE_ID; | |
2922 | memcpy(driver_dump->trace_entry.trace, ioa_cfg->trace, IPR_TRACE_SIZE); | |
2923 | driver_dump->hdr.num_entries++; | |
2924 | } | |
2925 | ||
2926 | /** | |
2927 | * ipr_dump_location_data - Fill in the IOA location in the dump. | |
2928 | * @ioa_cfg: ioa config struct | |
2929 | * @driver_dump: driver dump struct | |
2930 | * | |
2931 | * Return value: | |
2932 | * nothing | |
2933 | **/ | |
2934 | static void ipr_dump_location_data(struct ipr_ioa_cfg *ioa_cfg, | |
2935 | struct ipr_driver_dump *driver_dump) | |
2936 | { | |
2937 | ipr_init_dump_entry_hdr(&driver_dump->location_entry.hdr); | |
2938 | driver_dump->location_entry.hdr.len = | |
2939 | sizeof(struct ipr_dump_location_entry) - | |
2940 | sizeof(struct ipr_dump_entry_header); | |
2941 | driver_dump->location_entry.hdr.data_type = IPR_DUMP_DATA_TYPE_ASCII; | |
2942 | driver_dump->location_entry.hdr.id = IPR_DUMP_LOCATION_ID; | |
71610f55 | 2943 | strcpy(driver_dump->location_entry.location, dev_name(&ioa_cfg->pdev->dev)); |
1da177e4 LT |
2944 | driver_dump->hdr.num_entries++; |
2945 | } | |
2946 | ||
2947 | /** | |
2948 | * ipr_get_ioa_dump - Perform a dump of the driver and adapter. | |
2949 | * @ioa_cfg: ioa config struct | |
2950 | * @dump: dump struct | |
2951 | * | |
2952 | * Return value: | |
2953 | * nothing | |
2954 | **/ | |
2955 | static void ipr_get_ioa_dump(struct ipr_ioa_cfg *ioa_cfg, struct ipr_dump *dump) | |
2956 | { | |
2957 | unsigned long start_addr, sdt_word; | |
2958 | unsigned long lock_flags = 0; | |
2959 | struct ipr_driver_dump *driver_dump = &dump->driver_dump; | |
2960 | struct ipr_ioa_dump *ioa_dump = &dump->ioa_dump; | |
4d4dd706 KSS |
2961 | u32 num_entries, max_num_entries, start_off, end_off; |
2962 | u32 max_dump_size, bytes_to_copy, bytes_copied, rc; | |
1da177e4 | 2963 | struct ipr_sdt *sdt; |
dcbad00e | 2964 | int valid = 1; |
1da177e4 LT |
2965 | int i; |
2966 | ||
2967 | ENTER; | |
2968 | ||
2969 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
2970 | ||
41e9a696 | 2971 | if (ioa_cfg->sdt_state != READ_DUMP) { |
1da177e4 LT |
2972 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
2973 | return; | |
2974 | } | |
2975 | ||
110def85 WB |
2976 | if (ioa_cfg->sis64) { |
2977 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
2978 | ssleep(IPR_DUMP_DELAY_SECONDS); | |
2979 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
2980 | } | |
2981 | ||
1da177e4 LT |
2982 | start_addr = readl(ioa_cfg->ioa_mailbox); |
2983 | ||
dcbad00e | 2984 | if (!ioa_cfg->sis64 && !ipr_sdt_is_fmt2(start_addr)) { |
1da177e4 LT |
2985 | dev_err(&ioa_cfg->pdev->dev, |
2986 | "Invalid dump table format: %lx\n", start_addr); | |
2987 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
2988 | return; | |
2989 | } | |
2990 | ||
2991 | dev_err(&ioa_cfg->pdev->dev, "Dump of IOA initiated\n"); | |
2992 | ||
2993 | driver_dump->hdr.eye_catcher = IPR_DUMP_EYE_CATCHER; | |
2994 | ||
2995 | /* Initialize the overall dump header */ | |
2996 | driver_dump->hdr.len = sizeof(struct ipr_driver_dump); | |
2997 | driver_dump->hdr.num_entries = 1; | |
2998 | driver_dump->hdr.first_entry_offset = sizeof(struct ipr_dump_header); | |
2999 | driver_dump->hdr.status = IPR_DUMP_STATUS_SUCCESS; | |
3000 | driver_dump->hdr.os = IPR_DUMP_OS_LINUX; | |
3001 | driver_dump->hdr.driver_name = IPR_DUMP_DRIVER_NAME; | |
3002 | ||
3003 | ipr_dump_version_data(ioa_cfg, driver_dump); | |
3004 | ipr_dump_location_data(ioa_cfg, driver_dump); | |
3005 | ipr_dump_ioa_type_data(ioa_cfg, driver_dump); | |
3006 | ipr_dump_trace_data(ioa_cfg, driver_dump); | |
3007 | ||
3008 | /* Update dump_header */ | |
3009 | driver_dump->hdr.len += sizeof(struct ipr_dump_entry_header); | |
3010 | ||
3011 | /* IOA Dump entry */ | |
3012 | ipr_init_dump_entry_hdr(&ioa_dump->hdr); | |
1da177e4 LT |
3013 | ioa_dump->hdr.len = 0; |
3014 | ioa_dump->hdr.data_type = IPR_DUMP_DATA_TYPE_BINARY; | |
3015 | ioa_dump->hdr.id = IPR_DUMP_IOA_DUMP_ID; | |
3016 | ||
3017 | /* First entries in sdt are actually a list of dump addresses and | |
3018 | lengths to gather the real dump data. sdt represents the pointer | |
3019 | to the ioa generated dump table. Dump data will be extracted based | |
3020 | on entries in this table */ | |
3021 | sdt = &ioa_dump->sdt; | |
3022 | ||
4d4dd706 KSS |
3023 | if (ioa_cfg->sis64) { |
3024 | max_num_entries = IPR_FMT3_NUM_SDT_ENTRIES; | |
3025 | max_dump_size = IPR_FMT3_MAX_IOA_DUMP_SIZE; | |
3026 | } else { | |
3027 | max_num_entries = IPR_FMT2_NUM_SDT_ENTRIES; | |
3028 | max_dump_size = IPR_FMT2_MAX_IOA_DUMP_SIZE; | |
3029 | } | |
3030 | ||
3031 | bytes_to_copy = offsetof(struct ipr_sdt, entry) + | |
3032 | (max_num_entries * sizeof(struct ipr_sdt_entry)); | |
1da177e4 | 3033 | rc = ipr_get_ldump_data_section(ioa_cfg, start_addr, (__be32 *)sdt, |
4d4dd706 | 3034 | bytes_to_copy / sizeof(__be32)); |
1da177e4 LT |
3035 | |
3036 | /* Smart Dump table is ready to use and the first entry is valid */ | |
dcbad00e WB |
3037 | if (rc || ((be32_to_cpu(sdt->hdr.state) != IPR_FMT3_SDT_READY_TO_USE) && |
3038 | (be32_to_cpu(sdt->hdr.state) != IPR_FMT2_SDT_READY_TO_USE))) { | |
1da177e4 LT |
3039 | dev_err(&ioa_cfg->pdev->dev, |
3040 | "Dump of IOA failed. Dump table not valid: %d, %X.\n", | |
3041 | rc, be32_to_cpu(sdt->hdr.state)); | |
3042 | driver_dump->hdr.status = IPR_DUMP_STATUS_FAILED; | |
3043 | ioa_cfg->sdt_state = DUMP_OBTAINED; | |
3044 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3045 | return; | |
3046 | } | |
3047 | ||
3048 | num_entries = be32_to_cpu(sdt->hdr.num_entries_used); | |
3049 | ||
4d4dd706 KSS |
3050 | if (num_entries > max_num_entries) |
3051 | num_entries = max_num_entries; | |
3052 | ||
3053 | /* Update dump length to the actual data to be copied */ | |
3054 | dump->driver_dump.hdr.len += sizeof(struct ipr_sdt_header); | |
3055 | if (ioa_cfg->sis64) | |
3056 | dump->driver_dump.hdr.len += num_entries * sizeof(struct ipr_sdt_entry); | |
3057 | else | |
3058 | dump->driver_dump.hdr.len += max_num_entries * sizeof(struct ipr_sdt_entry); | |
1da177e4 LT |
3059 | |
3060 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3061 | ||
3062 | for (i = 0; i < num_entries; i++) { | |
4d4dd706 | 3063 | if (ioa_dump->hdr.len > max_dump_size) { |
1da177e4 LT |
3064 | driver_dump->hdr.status = IPR_DUMP_STATUS_QUAL_SUCCESS; |
3065 | break; | |
3066 | } | |
3067 | ||
3068 | if (sdt->entry[i].flags & IPR_SDT_VALID_ENTRY) { | |
dcbad00e WB |
3069 | sdt_word = be32_to_cpu(sdt->entry[i].start_token); |
3070 | if (ioa_cfg->sis64) | |
3071 | bytes_to_copy = be32_to_cpu(sdt->entry[i].end_token); | |
3072 | else { | |
3073 | start_off = sdt_word & IPR_FMT2_MBX_ADDR_MASK; | |
3074 | end_off = be32_to_cpu(sdt->entry[i].end_token); | |
3075 | ||
3076 | if (ipr_sdt_is_fmt2(sdt_word) && sdt_word) | |
3077 | bytes_to_copy = end_off - start_off; | |
3078 | else | |
3079 | valid = 0; | |
3080 | } | |
3081 | if (valid) { | |
4d4dd706 | 3082 | if (bytes_to_copy > max_dump_size) { |
1da177e4 LT |
3083 | sdt->entry[i].flags &= ~IPR_SDT_VALID_ENTRY; |
3084 | continue; | |
3085 | } | |
3086 | ||
3087 | /* Copy data from adapter to driver buffers */ | |
3088 | bytes_copied = ipr_sdt_copy(ioa_cfg, sdt_word, | |
3089 | bytes_to_copy); | |
3090 | ||
3091 | ioa_dump->hdr.len += bytes_copied; | |
3092 | ||
3093 | if (bytes_copied != bytes_to_copy) { | |
3094 | driver_dump->hdr.status = IPR_DUMP_STATUS_QUAL_SUCCESS; | |
3095 | break; | |
3096 | } | |
3097 | } | |
3098 | } | |
3099 | } | |
3100 | ||
3101 | dev_err(&ioa_cfg->pdev->dev, "Dump of IOA completed.\n"); | |
3102 | ||
3103 | /* Update dump_header */ | |
3104 | driver_dump->hdr.len += ioa_dump->hdr.len; | |
3105 | wmb(); | |
3106 | ioa_cfg->sdt_state = DUMP_OBTAINED; | |
3107 | LEAVE; | |
3108 | } | |
3109 | ||
3110 | #else | |
203fa3fe | 3111 | #define ipr_get_ioa_dump(ioa_cfg, dump) do { } while (0) |
1da177e4 LT |
3112 | #endif |
3113 | ||
3114 | /** | |
3115 | * ipr_release_dump - Free adapter dump memory | |
3116 | * @kref: kref struct | |
3117 | * | |
3118 | * Return value: | |
3119 | * nothing | |
3120 | **/ | |
3121 | static void ipr_release_dump(struct kref *kref) | |
3122 | { | |
203fa3fe | 3123 | struct ipr_dump *dump = container_of(kref, struct ipr_dump, kref); |
1da177e4 LT |
3124 | struct ipr_ioa_cfg *ioa_cfg = dump->ioa_cfg; |
3125 | unsigned long lock_flags = 0; | |
3126 | int i; | |
3127 | ||
3128 | ENTER; | |
3129 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3130 | ioa_cfg->dump = NULL; | |
3131 | ioa_cfg->sdt_state = INACTIVE; | |
3132 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3133 | ||
3134 | for (i = 0; i < dump->ioa_dump.next_page_index; i++) | |
3135 | free_page((unsigned long) dump->ioa_dump.ioa_data[i]); | |
3136 | ||
4d4dd706 | 3137 | vfree(dump->ioa_dump.ioa_data); |
1da177e4 LT |
3138 | kfree(dump); |
3139 | LEAVE; | |
3140 | } | |
3141 | ||
3142 | /** | |
3143 | * ipr_worker_thread - Worker thread | |
c4028958 | 3144 | * @work: ioa config struct |
1da177e4 LT |
3145 | * |
3146 | * Called at task level from a work thread. This function takes care | |
3147 | * of adding and removing device from the mid-layer as configuration | |
3148 | * changes are detected by the adapter. | |
3149 | * | |
3150 | * Return value: | |
3151 | * nothing | |
3152 | **/ | |
c4028958 | 3153 | static void ipr_worker_thread(struct work_struct *work) |
1da177e4 LT |
3154 | { |
3155 | unsigned long lock_flags; | |
3156 | struct ipr_resource_entry *res; | |
3157 | struct scsi_device *sdev; | |
3158 | struct ipr_dump *dump; | |
c4028958 DH |
3159 | struct ipr_ioa_cfg *ioa_cfg = |
3160 | container_of(work, struct ipr_ioa_cfg, work_q); | |
1da177e4 LT |
3161 | u8 bus, target, lun; |
3162 | int did_work; | |
3163 | ||
3164 | ENTER; | |
3165 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3166 | ||
41e9a696 | 3167 | if (ioa_cfg->sdt_state == READ_DUMP) { |
1da177e4 LT |
3168 | dump = ioa_cfg->dump; |
3169 | if (!dump) { | |
3170 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3171 | return; | |
3172 | } | |
3173 | kref_get(&dump->kref); | |
3174 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3175 | ipr_get_ioa_dump(ioa_cfg, dump); | |
3176 | kref_put(&dump->kref, ipr_release_dump); | |
3177 | ||
3178 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4c647e90 | 3179 | if (ioa_cfg->sdt_state == DUMP_OBTAINED && !ioa_cfg->dump_timeout) |
1da177e4 LT |
3180 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); |
3181 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3182 | return; | |
3183 | } | |
3184 | ||
3185 | restart: | |
3186 | do { | |
3187 | did_work = 0; | |
56d6aa33 | 3188 | if (!ioa_cfg->hrrq[IPR_INIT_HRRQ].allow_cmds || |
3189 | !ioa_cfg->allow_ml_add_del) { | |
1da177e4 LT |
3190 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
3191 | return; | |
3192 | } | |
3193 | ||
3194 | list_for_each_entry(res, &ioa_cfg->used_res_q, queue) { | |
3195 | if (res->del_from_ml && res->sdev) { | |
3196 | did_work = 1; | |
3197 | sdev = res->sdev; | |
3198 | if (!scsi_device_get(sdev)) { | |
5767a1c4 KSS |
3199 | if (!res->add_to_ml) |
3200 | list_move_tail(&res->queue, &ioa_cfg->free_res_q); | |
3201 | else | |
3202 | res->del_from_ml = 0; | |
1da177e4 LT |
3203 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
3204 | scsi_remove_device(sdev); | |
3205 | scsi_device_put(sdev); | |
3206 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3207 | } | |
3208 | break; | |
3209 | } | |
3210 | } | |
203fa3fe | 3211 | } while (did_work); |
1da177e4 LT |
3212 | |
3213 | list_for_each_entry(res, &ioa_cfg->used_res_q, queue) { | |
3214 | if (res->add_to_ml) { | |
3e7ebdfa WB |
3215 | bus = res->bus; |
3216 | target = res->target; | |
3217 | lun = res->lun; | |
1121b794 | 3218 | res->add_to_ml = 0; |
1da177e4 LT |
3219 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
3220 | scsi_add_device(ioa_cfg->host, bus, target, lun); | |
3221 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3222 | goto restart; | |
3223 | } | |
3224 | } | |
3225 | ||
3226 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
ee959b00 | 3227 | kobject_uevent(&ioa_cfg->host->shost_dev.kobj, KOBJ_CHANGE); |
1da177e4 LT |
3228 | LEAVE; |
3229 | } | |
3230 | ||
3231 | #ifdef CONFIG_SCSI_IPR_TRACE | |
3232 | /** | |
3233 | * ipr_read_trace - Dump the adapter trace | |
2c3c8bea | 3234 | * @filp: open sysfs file |
1da177e4 | 3235 | * @kobj: kobject struct |
91a69029 | 3236 | * @bin_attr: bin_attribute struct |
1da177e4 LT |
3237 | * @buf: buffer |
3238 | * @off: offset | |
3239 | * @count: buffer size | |
3240 | * | |
3241 | * Return value: | |
3242 | * number of bytes printed to buffer | |
3243 | **/ | |
2c3c8bea | 3244 | static ssize_t ipr_read_trace(struct file *filp, struct kobject *kobj, |
91a69029 ZR |
3245 | struct bin_attribute *bin_attr, |
3246 | char *buf, loff_t off, size_t count) | |
1da177e4 | 3247 | { |
ee959b00 TJ |
3248 | struct device *dev = container_of(kobj, struct device, kobj); |
3249 | struct Scsi_Host *shost = class_to_shost(dev); | |
1da177e4 LT |
3250 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
3251 | unsigned long lock_flags = 0; | |
d777aaf3 | 3252 | ssize_t ret; |
1da177e4 LT |
3253 | |
3254 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
d777aaf3 AM |
3255 | ret = memory_read_from_buffer(buf, count, &off, ioa_cfg->trace, |
3256 | IPR_TRACE_SIZE); | |
1da177e4 | 3257 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
d777aaf3 AM |
3258 | |
3259 | return ret; | |
1da177e4 LT |
3260 | } |
3261 | ||
3262 | static struct bin_attribute ipr_trace_attr = { | |
3263 | .attr = { | |
3264 | .name = "trace", | |
3265 | .mode = S_IRUGO, | |
3266 | }, | |
3267 | .size = 0, | |
3268 | .read = ipr_read_trace, | |
3269 | }; | |
3270 | #endif | |
3271 | ||
3272 | /** | |
3273 | * ipr_show_fw_version - Show the firmware version | |
ee959b00 TJ |
3274 | * @dev: class device struct |
3275 | * @buf: buffer | |
1da177e4 LT |
3276 | * |
3277 | * Return value: | |
3278 | * number of bytes printed to buffer | |
3279 | **/ | |
ee959b00 TJ |
3280 | static ssize_t ipr_show_fw_version(struct device *dev, |
3281 | struct device_attribute *attr, char *buf) | |
1da177e4 | 3282 | { |
ee959b00 | 3283 | struct Scsi_Host *shost = class_to_shost(dev); |
1da177e4 LT |
3284 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
3285 | struct ipr_inquiry_page3 *ucode_vpd = &ioa_cfg->vpd_cbs->page3_data; | |
3286 | unsigned long lock_flags = 0; | |
3287 | int len; | |
3288 | ||
3289 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3290 | len = snprintf(buf, PAGE_SIZE, "%02X%02X%02X%02X\n", | |
3291 | ucode_vpd->major_release, ucode_vpd->card_type, | |
3292 | ucode_vpd->minor_release[0], | |
3293 | ucode_vpd->minor_release[1]); | |
3294 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3295 | return len; | |
3296 | } | |
3297 | ||
ee959b00 | 3298 | static struct device_attribute ipr_fw_version_attr = { |
1da177e4 LT |
3299 | .attr = { |
3300 | .name = "fw_version", | |
3301 | .mode = S_IRUGO, | |
3302 | }, | |
3303 | .show = ipr_show_fw_version, | |
3304 | }; | |
3305 | ||
3306 | /** | |
3307 | * ipr_show_log_level - Show the adapter's error logging level | |
ee959b00 TJ |
3308 | * @dev: class device struct |
3309 | * @buf: buffer | |
1da177e4 LT |
3310 | * |
3311 | * Return value: | |
3312 | * number of bytes printed to buffer | |
3313 | **/ | |
ee959b00 TJ |
3314 | static ssize_t ipr_show_log_level(struct device *dev, |
3315 | struct device_attribute *attr, char *buf) | |
1da177e4 | 3316 | { |
ee959b00 | 3317 | struct Scsi_Host *shost = class_to_shost(dev); |
1da177e4 LT |
3318 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
3319 | unsigned long lock_flags = 0; | |
3320 | int len; | |
3321 | ||
3322 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3323 | len = snprintf(buf, PAGE_SIZE, "%d\n", ioa_cfg->log_level); | |
3324 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3325 | return len; | |
3326 | } | |
3327 | ||
3328 | /** | |
3329 | * ipr_store_log_level - Change the adapter's error logging level | |
ee959b00 TJ |
3330 | * @dev: class device struct |
3331 | * @buf: buffer | |
1da177e4 LT |
3332 | * |
3333 | * Return value: | |
3334 | * number of bytes printed to buffer | |
3335 | **/ | |
ee959b00 | 3336 | static ssize_t ipr_store_log_level(struct device *dev, |
203fa3fe | 3337 | struct device_attribute *attr, |
1da177e4 LT |
3338 | const char *buf, size_t count) |
3339 | { | |
ee959b00 | 3340 | struct Scsi_Host *shost = class_to_shost(dev); |
1da177e4 LT |
3341 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
3342 | unsigned long lock_flags = 0; | |
3343 | ||
3344 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3345 | ioa_cfg->log_level = simple_strtoul(buf, NULL, 10); | |
3346 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3347 | return strlen(buf); | |
3348 | } | |
3349 | ||
ee959b00 | 3350 | static struct device_attribute ipr_log_level_attr = { |
1da177e4 LT |
3351 | .attr = { |
3352 | .name = "log_level", | |
3353 | .mode = S_IRUGO | S_IWUSR, | |
3354 | }, | |
3355 | .show = ipr_show_log_level, | |
3356 | .store = ipr_store_log_level | |
3357 | }; | |
3358 | ||
3359 | /** | |
3360 | * ipr_store_diagnostics - IOA Diagnostics interface | |
ee959b00 TJ |
3361 | * @dev: device struct |
3362 | * @buf: buffer | |
3363 | * @count: buffer size | |
1da177e4 LT |
3364 | * |
3365 | * This function will reset the adapter and wait a reasonable | |
3366 | * amount of time for any errors that the adapter might log. | |
3367 | * | |
3368 | * Return value: | |
3369 | * count on success / other on failure | |
3370 | **/ | |
ee959b00 TJ |
3371 | static ssize_t ipr_store_diagnostics(struct device *dev, |
3372 | struct device_attribute *attr, | |
1da177e4 LT |
3373 | const char *buf, size_t count) |
3374 | { | |
ee959b00 | 3375 | struct Scsi_Host *shost = class_to_shost(dev); |
1da177e4 LT |
3376 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
3377 | unsigned long lock_flags = 0; | |
3378 | int rc = count; | |
3379 | ||
3380 | if (!capable(CAP_SYS_ADMIN)) | |
3381 | return -EACCES; | |
3382 | ||
1da177e4 | 3383 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); |
203fa3fe | 3384 | while (ioa_cfg->in_reset_reload) { |
970ea294 BK |
3385 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
3386 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
3387 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3388 | } | |
3389 | ||
1da177e4 LT |
3390 | ioa_cfg->errors_logged = 0; |
3391 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NORMAL); | |
3392 | ||
3393 | if (ioa_cfg->in_reset_reload) { | |
3394 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3395 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
3396 | ||
3397 | /* Wait for a second for any errors to be logged */ | |
3398 | msleep(1000); | |
3399 | } else { | |
3400 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3401 | return -EIO; | |
3402 | } | |
3403 | ||
3404 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3405 | if (ioa_cfg->in_reset_reload || ioa_cfg->errors_logged) | |
3406 | rc = -EIO; | |
3407 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3408 | ||
3409 | return rc; | |
3410 | } | |
3411 | ||
ee959b00 | 3412 | static struct device_attribute ipr_diagnostics_attr = { |
1da177e4 LT |
3413 | .attr = { |
3414 | .name = "run_diagnostics", | |
3415 | .mode = S_IWUSR, | |
3416 | }, | |
3417 | .store = ipr_store_diagnostics | |
3418 | }; | |
3419 | ||
f37eb54b BK |
3420 | /** |
3421 | * ipr_show_adapter_state - Show the adapter's state | |
ee959b00 TJ |
3422 | * @class_dev: device struct |
3423 | * @buf: buffer | |
f37eb54b BK |
3424 | * |
3425 | * Return value: | |
3426 | * number of bytes printed to buffer | |
3427 | **/ | |
ee959b00 TJ |
3428 | static ssize_t ipr_show_adapter_state(struct device *dev, |
3429 | struct device_attribute *attr, char *buf) | |
f37eb54b | 3430 | { |
ee959b00 | 3431 | struct Scsi_Host *shost = class_to_shost(dev); |
f37eb54b BK |
3432 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
3433 | unsigned long lock_flags = 0; | |
3434 | int len; | |
3435 | ||
3436 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
56d6aa33 | 3437 | if (ioa_cfg->hrrq[IPR_INIT_HRRQ].ioa_is_dead) |
f37eb54b BK |
3438 | len = snprintf(buf, PAGE_SIZE, "offline\n"); |
3439 | else | |
3440 | len = snprintf(buf, PAGE_SIZE, "online\n"); | |
3441 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3442 | return len; | |
3443 | } | |
3444 | ||
3445 | /** | |
3446 | * ipr_store_adapter_state - Change adapter state | |
ee959b00 TJ |
3447 | * @dev: device struct |
3448 | * @buf: buffer | |
3449 | * @count: buffer size | |
f37eb54b BK |
3450 | * |
3451 | * This function will change the adapter's state. | |
3452 | * | |
3453 | * Return value: | |
3454 | * count on success / other on failure | |
3455 | **/ | |
ee959b00 TJ |
3456 | static ssize_t ipr_store_adapter_state(struct device *dev, |
3457 | struct device_attribute *attr, | |
f37eb54b BK |
3458 | const char *buf, size_t count) |
3459 | { | |
ee959b00 | 3460 | struct Scsi_Host *shost = class_to_shost(dev); |
f37eb54b BK |
3461 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
3462 | unsigned long lock_flags; | |
56d6aa33 | 3463 | int result = count, i; |
f37eb54b BK |
3464 | |
3465 | if (!capable(CAP_SYS_ADMIN)) | |
3466 | return -EACCES; | |
3467 | ||
3468 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
56d6aa33 | 3469 | if (ioa_cfg->hrrq[IPR_INIT_HRRQ].ioa_is_dead && |
3470 | !strncmp(buf, "online", 6)) { | |
3471 | for (i = 0; i < ioa_cfg->hrrq_num; i++) { | |
3472 | spin_lock(&ioa_cfg->hrrq[i]._lock); | |
3473 | ioa_cfg->hrrq[i].ioa_is_dead = 0; | |
3474 | spin_unlock(&ioa_cfg->hrrq[i]._lock); | |
3475 | } | |
3476 | wmb(); | |
f37eb54b BK |
3477 | ioa_cfg->reset_retries = 0; |
3478 | ioa_cfg->in_ioa_bringdown = 0; | |
3479 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); | |
3480 | } | |
3481 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3482 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
3483 | ||
3484 | return result; | |
3485 | } | |
3486 | ||
ee959b00 | 3487 | static struct device_attribute ipr_ioa_state_attr = { |
f37eb54b | 3488 | .attr = { |
49dd0961 | 3489 | .name = "online_state", |
f37eb54b BK |
3490 | .mode = S_IRUGO | S_IWUSR, |
3491 | }, | |
3492 | .show = ipr_show_adapter_state, | |
3493 | .store = ipr_store_adapter_state | |
3494 | }; | |
3495 | ||
1da177e4 LT |
3496 | /** |
3497 | * ipr_store_reset_adapter - Reset the adapter | |
ee959b00 TJ |
3498 | * @dev: device struct |
3499 | * @buf: buffer | |
3500 | * @count: buffer size | |
1da177e4 LT |
3501 | * |
3502 | * This function will reset the adapter. | |
3503 | * | |
3504 | * Return value: | |
3505 | * count on success / other on failure | |
3506 | **/ | |
ee959b00 TJ |
3507 | static ssize_t ipr_store_reset_adapter(struct device *dev, |
3508 | struct device_attribute *attr, | |
1da177e4 LT |
3509 | const char *buf, size_t count) |
3510 | { | |
ee959b00 | 3511 | struct Scsi_Host *shost = class_to_shost(dev); |
1da177e4 LT |
3512 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
3513 | unsigned long lock_flags; | |
3514 | int result = count; | |
3515 | ||
3516 | if (!capable(CAP_SYS_ADMIN)) | |
3517 | return -EACCES; | |
3518 | ||
3519 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3520 | if (!ioa_cfg->in_reset_reload) | |
3521 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NORMAL); | |
3522 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3523 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
3524 | ||
3525 | return result; | |
3526 | } | |
3527 | ||
ee959b00 | 3528 | static struct device_attribute ipr_ioa_reset_attr = { |
1da177e4 LT |
3529 | .attr = { |
3530 | .name = "reset_host", | |
3531 | .mode = S_IWUSR, | |
3532 | }, | |
3533 | .store = ipr_store_reset_adapter | |
3534 | }; | |
3535 | ||
b53d124a | 3536 | static int ipr_iopoll(struct blk_iopoll *iop, int budget); |
3537 | /** | |
3538 | * ipr_show_iopoll_weight - Show ipr polling mode | |
3539 | * @dev: class device struct | |
3540 | * @buf: buffer | |
3541 | * | |
3542 | * Return value: | |
3543 | * number of bytes printed to buffer | |
3544 | **/ | |
3545 | static ssize_t ipr_show_iopoll_weight(struct device *dev, | |
3546 | struct device_attribute *attr, char *buf) | |
3547 | { | |
3548 | struct Scsi_Host *shost = class_to_shost(dev); | |
3549 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; | |
3550 | unsigned long lock_flags = 0; | |
3551 | int len; | |
3552 | ||
3553 | spin_lock_irqsave(shost->host_lock, lock_flags); | |
3554 | len = snprintf(buf, PAGE_SIZE, "%d\n", ioa_cfg->iopoll_weight); | |
3555 | spin_unlock_irqrestore(shost->host_lock, lock_flags); | |
3556 | ||
3557 | return len; | |
3558 | } | |
3559 | ||
3560 | /** | |
3561 | * ipr_store_iopoll_weight - Change the adapter's polling mode | |
3562 | * @dev: class device struct | |
3563 | * @buf: buffer | |
3564 | * | |
3565 | * Return value: | |
3566 | * number of bytes printed to buffer | |
3567 | **/ | |
3568 | static ssize_t ipr_store_iopoll_weight(struct device *dev, | |
3569 | struct device_attribute *attr, | |
3570 | const char *buf, size_t count) | |
3571 | { | |
3572 | struct Scsi_Host *shost = class_to_shost(dev); | |
3573 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; | |
3574 | unsigned long user_iopoll_weight; | |
3575 | unsigned long lock_flags = 0; | |
3576 | int i; | |
3577 | ||
3578 | if (!ioa_cfg->sis64) { | |
3579 | dev_info(&ioa_cfg->pdev->dev, "blk-iopoll not supported on this adapter\n"); | |
3580 | return -EINVAL; | |
3581 | } | |
3582 | if (kstrtoul(buf, 10, &user_iopoll_weight)) | |
3583 | return -EINVAL; | |
3584 | ||
3585 | if (user_iopoll_weight > 256) { | |
3586 | dev_info(&ioa_cfg->pdev->dev, "Invalid blk-iopoll weight. It must be less than 256\n"); | |
3587 | return -EINVAL; | |
3588 | } | |
3589 | ||
3590 | if (user_iopoll_weight == ioa_cfg->iopoll_weight) { | |
3591 | dev_info(&ioa_cfg->pdev->dev, "Current blk-iopoll weight has the same weight\n"); | |
3592 | return strlen(buf); | |
3593 | } | |
3594 | ||
3595 | if (blk_iopoll_enabled && ioa_cfg->iopoll_weight && | |
3596 | ioa_cfg->sis64 && ioa_cfg->nvectors > 1) { | |
3597 | for (i = 1; i < ioa_cfg->hrrq_num; i++) | |
3598 | blk_iopoll_disable(&ioa_cfg->hrrq[i].iopoll); | |
3599 | } | |
3600 | ||
3601 | spin_lock_irqsave(shost->host_lock, lock_flags); | |
3602 | ioa_cfg->iopoll_weight = user_iopoll_weight; | |
3603 | if (blk_iopoll_enabled && ioa_cfg->iopoll_weight && | |
3604 | ioa_cfg->sis64 && ioa_cfg->nvectors > 1) { | |
3605 | for (i = 1; i < ioa_cfg->hrrq_num; i++) { | |
3606 | blk_iopoll_init(&ioa_cfg->hrrq[i].iopoll, | |
3607 | ioa_cfg->iopoll_weight, ipr_iopoll); | |
3608 | blk_iopoll_enable(&ioa_cfg->hrrq[i].iopoll); | |
3609 | } | |
3610 | } | |
3611 | spin_unlock_irqrestore(shost->host_lock, lock_flags); | |
3612 | ||
3613 | return strlen(buf); | |
3614 | } | |
3615 | ||
3616 | static struct device_attribute ipr_iopoll_weight_attr = { | |
3617 | .attr = { | |
3618 | .name = "iopoll_weight", | |
3619 | .mode = S_IRUGO | S_IWUSR, | |
3620 | }, | |
3621 | .show = ipr_show_iopoll_weight, | |
3622 | .store = ipr_store_iopoll_weight | |
3623 | }; | |
3624 | ||
1da177e4 LT |
3625 | /** |
3626 | * ipr_alloc_ucode_buffer - Allocates a microcode download buffer | |
3627 | * @buf_len: buffer length | |
3628 | * | |
3629 | * Allocates a DMA'able buffer in chunks and assembles a scatter/gather | |
3630 | * list to use for microcode download | |
3631 | * | |
3632 | * Return value: | |
3633 | * pointer to sglist / NULL on failure | |
3634 | **/ | |
3635 | static struct ipr_sglist *ipr_alloc_ucode_buffer(int buf_len) | |
3636 | { | |
3637 | int sg_size, order, bsize_elem, num_elem, i, j; | |
3638 | struct ipr_sglist *sglist; | |
3639 | struct scatterlist *scatterlist; | |
3640 | struct page *page; | |
3641 | ||
3642 | /* Get the minimum size per scatter/gather element */ | |
3643 | sg_size = buf_len / (IPR_MAX_SGLIST - 1); | |
3644 | ||
3645 | /* Get the actual size per element */ | |
3646 | order = get_order(sg_size); | |
3647 | ||
3648 | /* Determine the actual number of bytes per element */ | |
3649 | bsize_elem = PAGE_SIZE * (1 << order); | |
3650 | ||
3651 | /* Determine the actual number of sg entries needed */ | |
3652 | if (buf_len % bsize_elem) | |
3653 | num_elem = (buf_len / bsize_elem) + 1; | |
3654 | else | |
3655 | num_elem = buf_len / bsize_elem; | |
3656 | ||
3657 | /* Allocate a scatter/gather list for the DMA */ | |
0bc42e35 | 3658 | sglist = kzalloc(sizeof(struct ipr_sglist) + |
1da177e4 LT |
3659 | (sizeof(struct scatterlist) * (num_elem - 1)), |
3660 | GFP_KERNEL); | |
3661 | ||
3662 | if (sglist == NULL) { | |
3663 | ipr_trace; | |
3664 | return NULL; | |
3665 | } | |
3666 | ||
1da177e4 | 3667 | scatterlist = sglist->scatterlist; |
45711f1a | 3668 | sg_init_table(scatterlist, num_elem); |
1da177e4 LT |
3669 | |
3670 | sglist->order = order; | |
3671 | sglist->num_sg = num_elem; | |
3672 | ||
3673 | /* Allocate a bunch of sg elements */ | |
3674 | for (i = 0; i < num_elem; i++) { | |
3675 | page = alloc_pages(GFP_KERNEL, order); | |
3676 | if (!page) { | |
3677 | ipr_trace; | |
3678 | ||
3679 | /* Free up what we already allocated */ | |
3680 | for (j = i - 1; j >= 0; j--) | |
45711f1a | 3681 | __free_pages(sg_page(&scatterlist[j]), order); |
1da177e4 LT |
3682 | kfree(sglist); |
3683 | return NULL; | |
3684 | } | |
3685 | ||
642f1490 | 3686 | sg_set_page(&scatterlist[i], page, 0, 0); |
1da177e4 LT |
3687 | } |
3688 | ||
3689 | return sglist; | |
3690 | } | |
3691 | ||
3692 | /** | |
3693 | * ipr_free_ucode_buffer - Frees a microcode download buffer | |
3694 | * @p_dnld: scatter/gather list pointer | |
3695 | * | |
3696 | * Free a DMA'able ucode download buffer previously allocated with | |
3697 | * ipr_alloc_ucode_buffer | |
3698 | * | |
3699 | * Return value: | |
3700 | * nothing | |
3701 | **/ | |
3702 | static void ipr_free_ucode_buffer(struct ipr_sglist *sglist) | |
3703 | { | |
3704 | int i; | |
3705 | ||
3706 | for (i = 0; i < sglist->num_sg; i++) | |
45711f1a | 3707 | __free_pages(sg_page(&sglist->scatterlist[i]), sglist->order); |
1da177e4 LT |
3708 | |
3709 | kfree(sglist); | |
3710 | } | |
3711 | ||
3712 | /** | |
3713 | * ipr_copy_ucode_buffer - Copy user buffer to kernel buffer | |
3714 | * @sglist: scatter/gather list pointer | |
3715 | * @buffer: buffer pointer | |
3716 | * @len: buffer length | |
3717 | * | |
3718 | * Copy a microcode image from a user buffer into a buffer allocated by | |
3719 | * ipr_alloc_ucode_buffer | |
3720 | * | |
3721 | * Return value: | |
3722 | * 0 on success / other on failure | |
3723 | **/ | |
3724 | static int ipr_copy_ucode_buffer(struct ipr_sglist *sglist, | |
3725 | u8 *buffer, u32 len) | |
3726 | { | |
3727 | int bsize_elem, i, result = 0; | |
3728 | struct scatterlist *scatterlist; | |
3729 | void *kaddr; | |
3730 | ||
3731 | /* Determine the actual number of bytes per element */ | |
3732 | bsize_elem = PAGE_SIZE * (1 << sglist->order); | |
3733 | ||
3734 | scatterlist = sglist->scatterlist; | |
3735 | ||
3736 | for (i = 0; i < (len / bsize_elem); i++, buffer += bsize_elem) { | |
45711f1a JA |
3737 | struct page *page = sg_page(&scatterlist[i]); |
3738 | ||
3739 | kaddr = kmap(page); | |
1da177e4 | 3740 | memcpy(kaddr, buffer, bsize_elem); |
45711f1a | 3741 | kunmap(page); |
1da177e4 LT |
3742 | |
3743 | scatterlist[i].length = bsize_elem; | |
3744 | ||
3745 | if (result != 0) { | |
3746 | ipr_trace; | |
3747 | return result; | |
3748 | } | |
3749 | } | |
3750 | ||
3751 | if (len % bsize_elem) { | |
45711f1a JA |
3752 | struct page *page = sg_page(&scatterlist[i]); |
3753 | ||
3754 | kaddr = kmap(page); | |
1da177e4 | 3755 | memcpy(kaddr, buffer, len % bsize_elem); |
45711f1a | 3756 | kunmap(page); |
1da177e4 LT |
3757 | |
3758 | scatterlist[i].length = len % bsize_elem; | |
3759 | } | |
3760 | ||
3761 | sglist->buffer_len = len; | |
3762 | return result; | |
3763 | } | |
3764 | ||
a32c055f WB |
3765 | /** |
3766 | * ipr_build_ucode_ioadl64 - Build a microcode download IOADL | |
3767 | * @ipr_cmd: ipr command struct | |
3768 | * @sglist: scatter/gather list | |
3769 | * | |
3770 | * Builds a microcode download IOA data list (IOADL). | |
3771 | * | |
3772 | **/ | |
3773 | static void ipr_build_ucode_ioadl64(struct ipr_cmnd *ipr_cmd, | |
3774 | struct ipr_sglist *sglist) | |
3775 | { | |
3776 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
3777 | struct ipr_ioadl64_desc *ioadl64 = ipr_cmd->i.ioadl64; | |
3778 | struct scatterlist *scatterlist = sglist->scatterlist; | |
3779 | int i; | |
3780 | ||
3781 | ipr_cmd->dma_use_sg = sglist->num_dma_sg; | |
3782 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ; | |
3783 | ioarcb->data_transfer_length = cpu_to_be32(sglist->buffer_len); | |
3784 | ||
3785 | ioarcb->ioadl_len = | |
3786 | cpu_to_be32(sizeof(struct ipr_ioadl64_desc) * ipr_cmd->dma_use_sg); | |
3787 | for (i = 0; i < ipr_cmd->dma_use_sg; i++) { | |
3788 | ioadl64[i].flags = cpu_to_be32(IPR_IOADL_FLAGS_WRITE); | |
3789 | ioadl64[i].data_len = cpu_to_be32(sg_dma_len(&scatterlist[i])); | |
3790 | ioadl64[i].address = cpu_to_be64(sg_dma_address(&scatterlist[i])); | |
3791 | } | |
3792 | ||
3793 | ioadl64[i-1].flags |= cpu_to_be32(IPR_IOADL_FLAGS_LAST); | |
3794 | } | |
3795 | ||
1da177e4 | 3796 | /** |
12baa420 | 3797 | * ipr_build_ucode_ioadl - Build a microcode download IOADL |
1da177e4 LT |
3798 | * @ipr_cmd: ipr command struct |
3799 | * @sglist: scatter/gather list | |
1da177e4 | 3800 | * |
12baa420 | 3801 | * Builds a microcode download IOA data list (IOADL). |
1da177e4 | 3802 | * |
1da177e4 | 3803 | **/ |
12baa420 BK |
3804 | static void ipr_build_ucode_ioadl(struct ipr_cmnd *ipr_cmd, |
3805 | struct ipr_sglist *sglist) | |
1da177e4 | 3806 | { |
1da177e4 | 3807 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; |
a32c055f | 3808 | struct ipr_ioadl_desc *ioadl = ipr_cmd->i.ioadl; |
1da177e4 LT |
3809 | struct scatterlist *scatterlist = sglist->scatterlist; |
3810 | int i; | |
3811 | ||
12baa420 | 3812 | ipr_cmd->dma_use_sg = sglist->num_dma_sg; |
1da177e4 | 3813 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ; |
a32c055f WB |
3814 | ioarcb->data_transfer_length = cpu_to_be32(sglist->buffer_len); |
3815 | ||
3816 | ioarcb->ioadl_len = | |
1da177e4 LT |
3817 | cpu_to_be32(sizeof(struct ipr_ioadl_desc) * ipr_cmd->dma_use_sg); |
3818 | ||
3819 | for (i = 0; i < ipr_cmd->dma_use_sg; i++) { | |
3820 | ioadl[i].flags_and_data_len = | |
3821 | cpu_to_be32(IPR_IOADL_FLAGS_WRITE | sg_dma_len(&scatterlist[i])); | |
3822 | ioadl[i].address = | |
3823 | cpu_to_be32(sg_dma_address(&scatterlist[i])); | |
3824 | } | |
3825 | ||
12baa420 BK |
3826 | ioadl[i-1].flags_and_data_len |= |
3827 | cpu_to_be32(IPR_IOADL_FLAGS_LAST); | |
3828 | } | |
3829 | ||
3830 | /** | |
3831 | * ipr_update_ioa_ucode - Update IOA's microcode | |
3832 | * @ioa_cfg: ioa config struct | |
3833 | * @sglist: scatter/gather list | |
3834 | * | |
3835 | * Initiate an adapter reset to update the IOA's microcode | |
3836 | * | |
3837 | * Return value: | |
3838 | * 0 on success / -EIO on failure | |
3839 | **/ | |
3840 | static int ipr_update_ioa_ucode(struct ipr_ioa_cfg *ioa_cfg, | |
3841 | struct ipr_sglist *sglist) | |
3842 | { | |
3843 | unsigned long lock_flags; | |
3844 | ||
3845 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
203fa3fe | 3846 | while (ioa_cfg->in_reset_reload) { |
970ea294 BK |
3847 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
3848 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
3849 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3850 | } | |
12baa420 BK |
3851 | |
3852 | if (ioa_cfg->ucode_sglist) { | |
3853 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3854 | dev_err(&ioa_cfg->pdev->dev, | |
3855 | "Microcode download already in progress\n"); | |
3856 | return -EIO; | |
1da177e4 | 3857 | } |
12baa420 BK |
3858 | |
3859 | sglist->num_dma_sg = pci_map_sg(ioa_cfg->pdev, sglist->scatterlist, | |
3860 | sglist->num_sg, DMA_TO_DEVICE); | |
3861 | ||
3862 | if (!sglist->num_dma_sg) { | |
3863 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3864 | dev_err(&ioa_cfg->pdev->dev, | |
3865 | "Failed to map microcode download buffer!\n"); | |
1da177e4 LT |
3866 | return -EIO; |
3867 | } | |
3868 | ||
12baa420 BK |
3869 | ioa_cfg->ucode_sglist = sglist; |
3870 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NORMAL); | |
3871 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3872 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
3873 | ||
3874 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3875 | ioa_cfg->ucode_sglist = NULL; | |
3876 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
1da177e4 LT |
3877 | return 0; |
3878 | } | |
3879 | ||
3880 | /** | |
3881 | * ipr_store_update_fw - Update the firmware on the adapter | |
ee959b00 TJ |
3882 | * @class_dev: device struct |
3883 | * @buf: buffer | |
3884 | * @count: buffer size | |
1da177e4 LT |
3885 | * |
3886 | * This function will update the firmware on the adapter. | |
3887 | * | |
3888 | * Return value: | |
3889 | * count on success / other on failure | |
3890 | **/ | |
ee959b00 TJ |
3891 | static ssize_t ipr_store_update_fw(struct device *dev, |
3892 | struct device_attribute *attr, | |
3893 | const char *buf, size_t count) | |
1da177e4 | 3894 | { |
ee959b00 | 3895 | struct Scsi_Host *shost = class_to_shost(dev); |
1da177e4 LT |
3896 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
3897 | struct ipr_ucode_image_header *image_hdr; | |
3898 | const struct firmware *fw_entry; | |
3899 | struct ipr_sglist *sglist; | |
1da177e4 LT |
3900 | char fname[100]; |
3901 | char *src; | |
3902 | int len, result, dnld_size; | |
3903 | ||
3904 | if (!capable(CAP_SYS_ADMIN)) | |
3905 | return -EACCES; | |
3906 | ||
3907 | len = snprintf(fname, 99, "%s", buf); | |
3908 | fname[len-1] = '\0'; | |
3909 | ||
203fa3fe | 3910 | if (request_firmware(&fw_entry, fname, &ioa_cfg->pdev->dev)) { |
1da177e4 LT |
3911 | dev_err(&ioa_cfg->pdev->dev, "Firmware file %s not found\n", fname); |
3912 | return -EIO; | |
3913 | } | |
3914 | ||
3915 | image_hdr = (struct ipr_ucode_image_header *)fw_entry->data; | |
3916 | ||
1da177e4 LT |
3917 | src = (u8 *)image_hdr + be32_to_cpu(image_hdr->header_length); |
3918 | dnld_size = fw_entry->size - be32_to_cpu(image_hdr->header_length); | |
3919 | sglist = ipr_alloc_ucode_buffer(dnld_size); | |
3920 | ||
3921 | if (!sglist) { | |
3922 | dev_err(&ioa_cfg->pdev->dev, "Microcode buffer allocation failed\n"); | |
3923 | release_firmware(fw_entry); | |
3924 | return -ENOMEM; | |
3925 | } | |
3926 | ||
3927 | result = ipr_copy_ucode_buffer(sglist, src, dnld_size); | |
3928 | ||
3929 | if (result) { | |
3930 | dev_err(&ioa_cfg->pdev->dev, | |
3931 | "Microcode buffer copy to DMA buffer failed\n"); | |
12baa420 | 3932 | goto out; |
1da177e4 LT |
3933 | } |
3934 | ||
14ed9cc7 WB |
3935 | ipr_info("Updating microcode, please be patient. This may take up to 30 minutes.\n"); |
3936 | ||
12baa420 | 3937 | result = ipr_update_ioa_ucode(ioa_cfg, sglist); |
1da177e4 | 3938 | |
12baa420 BK |
3939 | if (!result) |
3940 | result = count; | |
3941 | out: | |
1da177e4 LT |
3942 | ipr_free_ucode_buffer(sglist); |
3943 | release_firmware(fw_entry); | |
12baa420 | 3944 | return result; |
1da177e4 LT |
3945 | } |
3946 | ||
ee959b00 | 3947 | static struct device_attribute ipr_update_fw_attr = { |
1da177e4 LT |
3948 | .attr = { |
3949 | .name = "update_fw", | |
3950 | .mode = S_IWUSR, | |
3951 | }, | |
3952 | .store = ipr_store_update_fw | |
3953 | }; | |
3954 | ||
75576bb9 WB |
3955 | /** |
3956 | * ipr_show_fw_type - Show the adapter's firmware type. | |
3957 | * @dev: class device struct | |
3958 | * @buf: buffer | |
3959 | * | |
3960 | * Return value: | |
3961 | * number of bytes printed to buffer | |
3962 | **/ | |
3963 | static ssize_t ipr_show_fw_type(struct device *dev, | |
3964 | struct device_attribute *attr, char *buf) | |
3965 | { | |
3966 | struct Scsi_Host *shost = class_to_shost(dev); | |
3967 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; | |
3968 | unsigned long lock_flags = 0; | |
3969 | int len; | |
3970 | ||
3971 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3972 | len = snprintf(buf, PAGE_SIZE, "%d\n", ioa_cfg->sis64); | |
3973 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3974 | return len; | |
3975 | } | |
3976 | ||
3977 | static struct device_attribute ipr_ioa_fw_type_attr = { | |
3978 | .attr = { | |
3979 | .name = "fw_type", | |
3980 | .mode = S_IRUGO, | |
3981 | }, | |
3982 | .show = ipr_show_fw_type | |
3983 | }; | |
3984 | ||
ee959b00 | 3985 | static struct device_attribute *ipr_ioa_attrs[] = { |
1da177e4 LT |
3986 | &ipr_fw_version_attr, |
3987 | &ipr_log_level_attr, | |
3988 | &ipr_diagnostics_attr, | |
f37eb54b | 3989 | &ipr_ioa_state_attr, |
1da177e4 LT |
3990 | &ipr_ioa_reset_attr, |
3991 | &ipr_update_fw_attr, | |
75576bb9 | 3992 | &ipr_ioa_fw_type_attr, |
b53d124a | 3993 | &ipr_iopoll_weight_attr, |
1da177e4 LT |
3994 | NULL, |
3995 | }; | |
3996 | ||
3997 | #ifdef CONFIG_SCSI_IPR_DUMP | |
3998 | /** | |
3999 | * ipr_read_dump - Dump the adapter | |
2c3c8bea | 4000 | * @filp: open sysfs file |
1da177e4 | 4001 | * @kobj: kobject struct |
91a69029 | 4002 | * @bin_attr: bin_attribute struct |
1da177e4 LT |
4003 | * @buf: buffer |
4004 | * @off: offset | |
4005 | * @count: buffer size | |
4006 | * | |
4007 | * Return value: | |
4008 | * number of bytes printed to buffer | |
4009 | **/ | |
2c3c8bea | 4010 | static ssize_t ipr_read_dump(struct file *filp, struct kobject *kobj, |
91a69029 ZR |
4011 | struct bin_attribute *bin_attr, |
4012 | char *buf, loff_t off, size_t count) | |
1da177e4 | 4013 | { |
ee959b00 | 4014 | struct device *cdev = container_of(kobj, struct device, kobj); |
1da177e4 LT |
4015 | struct Scsi_Host *shost = class_to_shost(cdev); |
4016 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; | |
4017 | struct ipr_dump *dump; | |
4018 | unsigned long lock_flags = 0; | |
4019 | char *src; | |
4d4dd706 | 4020 | int len, sdt_end; |
1da177e4 LT |
4021 | size_t rc = count; |
4022 | ||
4023 | if (!capable(CAP_SYS_ADMIN)) | |
4024 | return -EACCES; | |
4025 | ||
4026 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4027 | dump = ioa_cfg->dump; | |
4028 | ||
4029 | if (ioa_cfg->sdt_state != DUMP_OBTAINED || !dump) { | |
4030 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4031 | return 0; | |
4032 | } | |
4033 | kref_get(&dump->kref); | |
4034 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4035 | ||
4036 | if (off > dump->driver_dump.hdr.len) { | |
4037 | kref_put(&dump->kref, ipr_release_dump); | |
4038 | return 0; | |
4039 | } | |
4040 | ||
4041 | if (off + count > dump->driver_dump.hdr.len) { | |
4042 | count = dump->driver_dump.hdr.len - off; | |
4043 | rc = count; | |
4044 | } | |
4045 | ||
4046 | if (count && off < sizeof(dump->driver_dump)) { | |
4047 | if (off + count > sizeof(dump->driver_dump)) | |
4048 | len = sizeof(dump->driver_dump) - off; | |
4049 | else | |
4050 | len = count; | |
4051 | src = (u8 *)&dump->driver_dump + off; | |
4052 | memcpy(buf, src, len); | |
4053 | buf += len; | |
4054 | off += len; | |
4055 | count -= len; | |
4056 | } | |
4057 | ||
4058 | off -= sizeof(dump->driver_dump); | |
4059 | ||
4d4dd706 KSS |
4060 | if (ioa_cfg->sis64) |
4061 | sdt_end = offsetof(struct ipr_ioa_dump, sdt.entry) + | |
4062 | (be32_to_cpu(dump->ioa_dump.sdt.hdr.num_entries_used) * | |
4063 | sizeof(struct ipr_sdt_entry)); | |
4064 | else | |
4065 | sdt_end = offsetof(struct ipr_ioa_dump, sdt.entry) + | |
4066 | (IPR_FMT2_NUM_SDT_ENTRIES * sizeof(struct ipr_sdt_entry)); | |
4067 | ||
4068 | if (count && off < sdt_end) { | |
4069 | if (off + count > sdt_end) | |
4070 | len = sdt_end - off; | |
1da177e4 LT |
4071 | else |
4072 | len = count; | |
4073 | src = (u8 *)&dump->ioa_dump + off; | |
4074 | memcpy(buf, src, len); | |
4075 | buf += len; | |
4076 | off += len; | |
4077 | count -= len; | |
4078 | } | |
4079 | ||
4d4dd706 | 4080 | off -= sdt_end; |
1da177e4 LT |
4081 | |
4082 | while (count) { | |
4083 | if ((off & PAGE_MASK) != ((off + count) & PAGE_MASK)) | |
4084 | len = PAGE_ALIGN(off) - off; | |
4085 | else | |
4086 | len = count; | |
4087 | src = (u8 *)dump->ioa_dump.ioa_data[(off & PAGE_MASK) >> PAGE_SHIFT]; | |
4088 | src += off & ~PAGE_MASK; | |
4089 | memcpy(buf, src, len); | |
4090 | buf += len; | |
4091 | off += len; | |
4092 | count -= len; | |
4093 | } | |
4094 | ||
4095 | kref_put(&dump->kref, ipr_release_dump); | |
4096 | return rc; | |
4097 | } | |
4098 | ||
4099 | /** | |
4100 | * ipr_alloc_dump - Prepare for adapter dump | |
4101 | * @ioa_cfg: ioa config struct | |
4102 | * | |
4103 | * Return value: | |
4104 | * 0 on success / other on failure | |
4105 | **/ | |
4106 | static int ipr_alloc_dump(struct ipr_ioa_cfg *ioa_cfg) | |
4107 | { | |
4108 | struct ipr_dump *dump; | |
4d4dd706 | 4109 | __be32 **ioa_data; |
1da177e4 LT |
4110 | unsigned long lock_flags = 0; |
4111 | ||
0bc42e35 | 4112 | dump = kzalloc(sizeof(struct ipr_dump), GFP_KERNEL); |
1da177e4 LT |
4113 | |
4114 | if (!dump) { | |
4115 | ipr_err("Dump memory allocation failed\n"); | |
4116 | return -ENOMEM; | |
4117 | } | |
4118 | ||
4d4dd706 KSS |
4119 | if (ioa_cfg->sis64) |
4120 | ioa_data = vmalloc(IPR_FMT3_MAX_NUM_DUMP_PAGES * sizeof(__be32 *)); | |
4121 | else | |
4122 | ioa_data = vmalloc(IPR_FMT2_MAX_NUM_DUMP_PAGES * sizeof(__be32 *)); | |
4123 | ||
4124 | if (!ioa_data) { | |
4125 | ipr_err("Dump memory allocation failed\n"); | |
4126 | kfree(dump); | |
4127 | return -ENOMEM; | |
4128 | } | |
4129 | ||
4130 | dump->ioa_dump.ioa_data = ioa_data; | |
4131 | ||
1da177e4 LT |
4132 | kref_init(&dump->kref); |
4133 | dump->ioa_cfg = ioa_cfg; | |
4134 | ||
4135 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4136 | ||
4137 | if (INACTIVE != ioa_cfg->sdt_state) { | |
4138 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4d4dd706 | 4139 | vfree(dump->ioa_dump.ioa_data); |
1da177e4 LT |
4140 | kfree(dump); |
4141 | return 0; | |
4142 | } | |
4143 | ||
4144 | ioa_cfg->dump = dump; | |
4145 | ioa_cfg->sdt_state = WAIT_FOR_DUMP; | |
56d6aa33 | 4146 | if (ioa_cfg->hrrq[IPR_INIT_HRRQ].ioa_is_dead && !ioa_cfg->dump_taken) { |
1da177e4 LT |
4147 | ioa_cfg->dump_taken = 1; |
4148 | schedule_work(&ioa_cfg->work_q); | |
4149 | } | |
4150 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4151 | ||
1da177e4 LT |
4152 | return 0; |
4153 | } | |
4154 | ||
4155 | /** | |
4156 | * ipr_free_dump - Free adapter dump memory | |
4157 | * @ioa_cfg: ioa config struct | |
4158 | * | |
4159 | * Return value: | |
4160 | * 0 on success / other on failure | |
4161 | **/ | |
4162 | static int ipr_free_dump(struct ipr_ioa_cfg *ioa_cfg) | |
4163 | { | |
4164 | struct ipr_dump *dump; | |
4165 | unsigned long lock_flags = 0; | |
4166 | ||
4167 | ENTER; | |
4168 | ||
4169 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4170 | dump = ioa_cfg->dump; | |
4171 | if (!dump) { | |
4172 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4173 | return 0; | |
4174 | } | |
4175 | ||
4176 | ioa_cfg->dump = NULL; | |
4177 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4178 | ||
4179 | kref_put(&dump->kref, ipr_release_dump); | |
4180 | ||
4181 | LEAVE; | |
4182 | return 0; | |
4183 | } | |
4184 | ||
4185 | /** | |
4186 | * ipr_write_dump - Setup dump state of adapter | |
2c3c8bea | 4187 | * @filp: open sysfs file |
1da177e4 | 4188 | * @kobj: kobject struct |
91a69029 | 4189 | * @bin_attr: bin_attribute struct |
1da177e4 LT |
4190 | * @buf: buffer |
4191 | * @off: offset | |
4192 | * @count: buffer size | |
4193 | * | |
4194 | * Return value: | |
4195 | * number of bytes printed to buffer | |
4196 | **/ | |
2c3c8bea | 4197 | static ssize_t ipr_write_dump(struct file *filp, struct kobject *kobj, |
91a69029 ZR |
4198 | struct bin_attribute *bin_attr, |
4199 | char *buf, loff_t off, size_t count) | |
1da177e4 | 4200 | { |
ee959b00 | 4201 | struct device *cdev = container_of(kobj, struct device, kobj); |
1da177e4 LT |
4202 | struct Scsi_Host *shost = class_to_shost(cdev); |
4203 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; | |
4204 | int rc; | |
4205 | ||
4206 | if (!capable(CAP_SYS_ADMIN)) | |
4207 | return -EACCES; | |
4208 | ||
4209 | if (buf[0] == '1') | |
4210 | rc = ipr_alloc_dump(ioa_cfg); | |
4211 | else if (buf[0] == '0') | |
4212 | rc = ipr_free_dump(ioa_cfg); | |
4213 | else | |
4214 | return -EINVAL; | |
4215 | ||
4216 | if (rc) | |
4217 | return rc; | |
4218 | else | |
4219 | return count; | |
4220 | } | |
4221 | ||
4222 | static struct bin_attribute ipr_dump_attr = { | |
4223 | .attr = { | |
4224 | .name = "dump", | |
4225 | .mode = S_IRUSR | S_IWUSR, | |
4226 | }, | |
4227 | .size = 0, | |
4228 | .read = ipr_read_dump, | |
4229 | .write = ipr_write_dump | |
4230 | }; | |
4231 | #else | |
4232 | static int ipr_free_dump(struct ipr_ioa_cfg *ioa_cfg) { return 0; }; | |
4233 | #endif | |
4234 | ||
4235 | /** | |
4236 | * ipr_change_queue_depth - Change the device's queue depth | |
4237 | * @sdev: scsi device struct | |
4238 | * @qdepth: depth to set | |
e881a172 | 4239 | * @reason: calling context |
1da177e4 LT |
4240 | * |
4241 | * Return value: | |
4242 | * actual depth set | |
4243 | **/ | |
e881a172 MC |
4244 | static int ipr_change_queue_depth(struct scsi_device *sdev, int qdepth, |
4245 | int reason) | |
1da177e4 | 4246 | { |
35a39691 BK |
4247 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)sdev->host->hostdata; |
4248 | struct ipr_resource_entry *res; | |
4249 | unsigned long lock_flags = 0; | |
4250 | ||
e881a172 MC |
4251 | if (reason != SCSI_QDEPTH_DEFAULT) |
4252 | return -EOPNOTSUPP; | |
4253 | ||
35a39691 BK |
4254 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); |
4255 | res = (struct ipr_resource_entry *)sdev->hostdata; | |
4256 | ||
4257 | if (res && ipr_is_gata(res) && qdepth > IPR_MAX_CMD_PER_ATA_LUN) | |
4258 | qdepth = IPR_MAX_CMD_PER_ATA_LUN; | |
4259 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4260 | ||
1da177e4 LT |
4261 | scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth); |
4262 | return sdev->queue_depth; | |
4263 | } | |
4264 | ||
4265 | /** | |
4266 | * ipr_change_queue_type - Change the device's queue type | |
4267 | * @dsev: scsi device struct | |
4268 | * @tag_type: type of tags to use | |
4269 | * | |
4270 | * Return value: | |
4271 | * actual queue type set | |
4272 | **/ | |
4273 | static int ipr_change_queue_type(struct scsi_device *sdev, int tag_type) | |
4274 | { | |
4275 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)sdev->host->hostdata; | |
4276 | struct ipr_resource_entry *res; | |
4277 | unsigned long lock_flags = 0; | |
4278 | ||
4279 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4280 | res = (struct ipr_resource_entry *)sdev->hostdata; | |
4281 | ||
4282 | if (res) { | |
4283 | if (ipr_is_gscsi(res) && sdev->tagged_supported) { | |
4284 | /* | |
4285 | * We don't bother quiescing the device here since the | |
4286 | * adapter firmware does it for us. | |
4287 | */ | |
4288 | scsi_set_tag_type(sdev, tag_type); | |
4289 | ||
4290 | if (tag_type) | |
4291 | scsi_activate_tcq(sdev, sdev->queue_depth); | |
4292 | else | |
4293 | scsi_deactivate_tcq(sdev, sdev->queue_depth); | |
4294 | } else | |
4295 | tag_type = 0; | |
4296 | } else | |
4297 | tag_type = 0; | |
4298 | ||
4299 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4300 | return tag_type; | |
4301 | } | |
4302 | ||
4303 | /** | |
4304 | * ipr_show_adapter_handle - Show the adapter's resource handle for this device | |
4305 | * @dev: device struct | |
46d74563 | 4306 | * @attr: device attribute structure |
1da177e4 LT |
4307 | * @buf: buffer |
4308 | * | |
4309 | * Return value: | |
4310 | * number of bytes printed to buffer | |
4311 | **/ | |
10523b3b | 4312 | static ssize_t ipr_show_adapter_handle(struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 LT |
4313 | { |
4314 | struct scsi_device *sdev = to_scsi_device(dev); | |
4315 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)sdev->host->hostdata; | |
4316 | struct ipr_resource_entry *res; | |
4317 | unsigned long lock_flags = 0; | |
4318 | ssize_t len = -ENXIO; | |
4319 | ||
4320 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4321 | res = (struct ipr_resource_entry *)sdev->hostdata; | |
4322 | if (res) | |
3e7ebdfa | 4323 | len = snprintf(buf, PAGE_SIZE, "%08X\n", res->res_handle); |
1da177e4 LT |
4324 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
4325 | return len; | |
4326 | } | |
4327 | ||
4328 | static struct device_attribute ipr_adapter_handle_attr = { | |
4329 | .attr = { | |
4330 | .name = "adapter_handle", | |
4331 | .mode = S_IRUSR, | |
4332 | }, | |
4333 | .show = ipr_show_adapter_handle | |
4334 | }; | |
4335 | ||
3e7ebdfa | 4336 | /** |
5adcbeb3 WB |
4337 | * ipr_show_resource_path - Show the resource path or the resource address for |
4338 | * this device. | |
3e7ebdfa | 4339 | * @dev: device struct |
46d74563 | 4340 | * @attr: device attribute structure |
3e7ebdfa WB |
4341 | * @buf: buffer |
4342 | * | |
4343 | * Return value: | |
4344 | * number of bytes printed to buffer | |
4345 | **/ | |
4346 | static ssize_t ipr_show_resource_path(struct device *dev, struct device_attribute *attr, char *buf) | |
4347 | { | |
4348 | struct scsi_device *sdev = to_scsi_device(dev); | |
4349 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)sdev->host->hostdata; | |
4350 | struct ipr_resource_entry *res; | |
4351 | unsigned long lock_flags = 0; | |
4352 | ssize_t len = -ENXIO; | |
4353 | char buffer[IPR_MAX_RES_PATH_LENGTH]; | |
4354 | ||
4355 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4356 | res = (struct ipr_resource_entry *)sdev->hostdata; | |
5adcbeb3 | 4357 | if (res && ioa_cfg->sis64) |
3e7ebdfa | 4358 | len = snprintf(buf, PAGE_SIZE, "%s\n", |
b3b3b407 BK |
4359 | __ipr_format_res_path(res->res_path, buffer, |
4360 | sizeof(buffer))); | |
5adcbeb3 WB |
4361 | else if (res) |
4362 | len = snprintf(buf, PAGE_SIZE, "%d:%d:%d:%d\n", ioa_cfg->host->host_no, | |
4363 | res->bus, res->target, res->lun); | |
4364 | ||
3e7ebdfa WB |
4365 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
4366 | return len; | |
4367 | } | |
4368 | ||
4369 | static struct device_attribute ipr_resource_path_attr = { | |
4370 | .attr = { | |
4371 | .name = "resource_path", | |
75576bb9 | 4372 | .mode = S_IRUGO, |
3e7ebdfa WB |
4373 | }, |
4374 | .show = ipr_show_resource_path | |
4375 | }; | |
4376 | ||
46d74563 WB |
4377 | /** |
4378 | * ipr_show_device_id - Show the device_id for this device. | |
4379 | * @dev: device struct | |
4380 | * @attr: device attribute structure | |
4381 | * @buf: buffer | |
4382 | * | |
4383 | * Return value: | |
4384 | * number of bytes printed to buffer | |
4385 | **/ | |
4386 | static ssize_t ipr_show_device_id(struct device *dev, struct device_attribute *attr, char *buf) | |
4387 | { | |
4388 | struct scsi_device *sdev = to_scsi_device(dev); | |
4389 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)sdev->host->hostdata; | |
4390 | struct ipr_resource_entry *res; | |
4391 | unsigned long lock_flags = 0; | |
4392 | ssize_t len = -ENXIO; | |
4393 | ||
4394 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4395 | res = (struct ipr_resource_entry *)sdev->hostdata; | |
4396 | if (res && ioa_cfg->sis64) | |
4397 | len = snprintf(buf, PAGE_SIZE, "0x%llx\n", res->dev_id); | |
4398 | else if (res) | |
4399 | len = snprintf(buf, PAGE_SIZE, "0x%llx\n", res->lun_wwn); | |
4400 | ||
4401 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4402 | return len; | |
4403 | } | |
4404 | ||
4405 | static struct device_attribute ipr_device_id_attr = { | |
4406 | .attr = { | |
4407 | .name = "device_id", | |
4408 | .mode = S_IRUGO, | |
4409 | }, | |
4410 | .show = ipr_show_device_id | |
4411 | }; | |
4412 | ||
75576bb9 WB |
4413 | /** |
4414 | * ipr_show_resource_type - Show the resource type for this device. | |
4415 | * @dev: device struct | |
46d74563 | 4416 | * @attr: device attribute structure |
75576bb9 WB |
4417 | * @buf: buffer |
4418 | * | |
4419 | * Return value: | |
4420 | * number of bytes printed to buffer | |
4421 | **/ | |
4422 | static ssize_t ipr_show_resource_type(struct device *dev, struct device_attribute *attr, char *buf) | |
4423 | { | |
4424 | struct scsi_device *sdev = to_scsi_device(dev); | |
4425 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)sdev->host->hostdata; | |
4426 | struct ipr_resource_entry *res; | |
4427 | unsigned long lock_flags = 0; | |
4428 | ssize_t len = -ENXIO; | |
4429 | ||
4430 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4431 | res = (struct ipr_resource_entry *)sdev->hostdata; | |
4432 | ||
4433 | if (res) | |
4434 | len = snprintf(buf, PAGE_SIZE, "%x\n", res->type); | |
4435 | ||
4436 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4437 | return len; | |
4438 | } | |
4439 | ||
4440 | static struct device_attribute ipr_resource_type_attr = { | |
4441 | .attr = { | |
4442 | .name = "resource_type", | |
4443 | .mode = S_IRUGO, | |
4444 | }, | |
4445 | .show = ipr_show_resource_type | |
4446 | }; | |
4447 | ||
1da177e4 LT |
4448 | static struct device_attribute *ipr_dev_attrs[] = { |
4449 | &ipr_adapter_handle_attr, | |
3e7ebdfa | 4450 | &ipr_resource_path_attr, |
46d74563 | 4451 | &ipr_device_id_attr, |
75576bb9 | 4452 | &ipr_resource_type_attr, |
1da177e4 LT |
4453 | NULL, |
4454 | }; | |
4455 | ||
4456 | /** | |
4457 | * ipr_biosparam - Return the HSC mapping | |
4458 | * @sdev: scsi device struct | |
4459 | * @block_device: block device pointer | |
4460 | * @capacity: capacity of the device | |
4461 | * @parm: Array containing returned HSC values. | |
4462 | * | |
4463 | * This function generates the HSC parms that fdisk uses. | |
4464 | * We want to make sure we return something that places partitions | |
4465 | * on 4k boundaries for best performance with the IOA. | |
4466 | * | |
4467 | * Return value: | |
4468 | * 0 on success | |
4469 | **/ | |
4470 | static int ipr_biosparam(struct scsi_device *sdev, | |
4471 | struct block_device *block_device, | |
4472 | sector_t capacity, int *parm) | |
4473 | { | |
4474 | int heads, sectors; | |
4475 | sector_t cylinders; | |
4476 | ||
4477 | heads = 128; | |
4478 | sectors = 32; | |
4479 | ||
4480 | cylinders = capacity; | |
4481 | sector_div(cylinders, (128 * 32)); | |
4482 | ||
4483 | /* return result */ | |
4484 | parm[0] = heads; | |
4485 | parm[1] = sectors; | |
4486 | parm[2] = cylinders; | |
4487 | ||
4488 | return 0; | |
4489 | } | |
4490 | ||
35a39691 BK |
4491 | /** |
4492 | * ipr_find_starget - Find target based on bus/target. | |
4493 | * @starget: scsi target struct | |
4494 | * | |
4495 | * Return value: | |
4496 | * resource entry pointer if found / NULL if not found | |
4497 | **/ | |
4498 | static struct ipr_resource_entry *ipr_find_starget(struct scsi_target *starget) | |
4499 | { | |
4500 | struct Scsi_Host *shost = dev_to_shost(&starget->dev); | |
4501 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *) shost->hostdata; | |
4502 | struct ipr_resource_entry *res; | |
4503 | ||
4504 | list_for_each_entry(res, &ioa_cfg->used_res_q, queue) { | |
3e7ebdfa | 4505 | if ((res->bus == starget->channel) && |
0ee1d714 | 4506 | (res->target == starget->id)) { |
35a39691 BK |
4507 | return res; |
4508 | } | |
4509 | } | |
4510 | ||
4511 | return NULL; | |
4512 | } | |
4513 | ||
4514 | static struct ata_port_info sata_port_info; | |
4515 | ||
4516 | /** | |
4517 | * ipr_target_alloc - Prepare for commands to a SCSI target | |
4518 | * @starget: scsi target struct | |
4519 | * | |
4520 | * If the device is a SATA device, this function allocates an | |
4521 | * ATA port with libata, else it does nothing. | |
4522 | * | |
4523 | * Return value: | |
4524 | * 0 on success / non-0 on failure | |
4525 | **/ | |
4526 | static int ipr_target_alloc(struct scsi_target *starget) | |
4527 | { | |
4528 | struct Scsi_Host *shost = dev_to_shost(&starget->dev); | |
4529 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *) shost->hostdata; | |
4530 | struct ipr_sata_port *sata_port; | |
4531 | struct ata_port *ap; | |
4532 | struct ipr_resource_entry *res; | |
4533 | unsigned long lock_flags; | |
4534 | ||
4535 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4536 | res = ipr_find_starget(starget); | |
4537 | starget->hostdata = NULL; | |
4538 | ||
4539 | if (res && ipr_is_gata(res)) { | |
4540 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4541 | sata_port = kzalloc(sizeof(*sata_port), GFP_KERNEL); | |
4542 | if (!sata_port) | |
4543 | return -ENOMEM; | |
4544 | ||
4545 | ap = ata_sas_port_alloc(&ioa_cfg->ata_host, &sata_port_info, shost); | |
4546 | if (ap) { | |
4547 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4548 | sata_port->ioa_cfg = ioa_cfg; | |
4549 | sata_port->ap = ap; | |
4550 | sata_port->res = res; | |
4551 | ||
4552 | res->sata_port = sata_port; | |
4553 | ap->private_data = sata_port; | |
4554 | starget->hostdata = sata_port; | |
4555 | } else { | |
4556 | kfree(sata_port); | |
4557 | return -ENOMEM; | |
4558 | } | |
4559 | } | |
4560 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4561 | ||
4562 | return 0; | |
4563 | } | |
4564 | ||
4565 | /** | |
4566 | * ipr_target_destroy - Destroy a SCSI target | |
4567 | * @starget: scsi target struct | |
4568 | * | |
4569 | * If the device was a SATA device, this function frees the libata | |
4570 | * ATA port, else it does nothing. | |
4571 | * | |
4572 | **/ | |
4573 | static void ipr_target_destroy(struct scsi_target *starget) | |
4574 | { | |
4575 | struct ipr_sata_port *sata_port = starget->hostdata; | |
3e7ebdfa WB |
4576 | struct Scsi_Host *shost = dev_to_shost(&starget->dev); |
4577 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *) shost->hostdata; | |
4578 | ||
4579 | if (ioa_cfg->sis64) { | |
0ee1d714 BK |
4580 | if (!ipr_find_starget(starget)) { |
4581 | if (starget->channel == IPR_ARRAY_VIRTUAL_BUS) | |
4582 | clear_bit(starget->id, ioa_cfg->array_ids); | |
4583 | else if (starget->channel == IPR_VSET_VIRTUAL_BUS) | |
4584 | clear_bit(starget->id, ioa_cfg->vset_ids); | |
4585 | else if (starget->channel == 0) | |
4586 | clear_bit(starget->id, ioa_cfg->target_ids); | |
4587 | } | |
3e7ebdfa | 4588 | } |
35a39691 BK |
4589 | |
4590 | if (sata_port) { | |
4591 | starget->hostdata = NULL; | |
4592 | ata_sas_port_destroy(sata_port->ap); | |
4593 | kfree(sata_port); | |
4594 | } | |
4595 | } | |
4596 | ||
4597 | /** | |
4598 | * ipr_find_sdev - Find device based on bus/target/lun. | |
4599 | * @sdev: scsi device struct | |
4600 | * | |
4601 | * Return value: | |
4602 | * resource entry pointer if found / NULL if not found | |
4603 | **/ | |
4604 | static struct ipr_resource_entry *ipr_find_sdev(struct scsi_device *sdev) | |
4605 | { | |
4606 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *) sdev->host->hostdata; | |
4607 | struct ipr_resource_entry *res; | |
4608 | ||
4609 | list_for_each_entry(res, &ioa_cfg->used_res_q, queue) { | |
3e7ebdfa WB |
4610 | if ((res->bus == sdev->channel) && |
4611 | (res->target == sdev->id) && | |
4612 | (res->lun == sdev->lun)) | |
35a39691 BK |
4613 | return res; |
4614 | } | |
4615 | ||
4616 | return NULL; | |
4617 | } | |
4618 | ||
1da177e4 LT |
4619 | /** |
4620 | * ipr_slave_destroy - Unconfigure a SCSI device | |
4621 | * @sdev: scsi device struct | |
4622 | * | |
4623 | * Return value: | |
4624 | * nothing | |
4625 | **/ | |
4626 | static void ipr_slave_destroy(struct scsi_device *sdev) | |
4627 | { | |
4628 | struct ipr_resource_entry *res; | |
4629 | struct ipr_ioa_cfg *ioa_cfg; | |
4630 | unsigned long lock_flags = 0; | |
4631 | ||
4632 | ioa_cfg = (struct ipr_ioa_cfg *) sdev->host->hostdata; | |
4633 | ||
4634 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4635 | res = (struct ipr_resource_entry *) sdev->hostdata; | |
4636 | if (res) { | |
35a39691 | 4637 | if (res->sata_port) |
3e4ec344 | 4638 | res->sata_port->ap->link.device[0].class = ATA_DEV_NONE; |
1da177e4 LT |
4639 | sdev->hostdata = NULL; |
4640 | res->sdev = NULL; | |
35a39691 | 4641 | res->sata_port = NULL; |
1da177e4 LT |
4642 | } |
4643 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4644 | } | |
4645 | ||
4646 | /** | |
4647 | * ipr_slave_configure - Configure a SCSI device | |
4648 | * @sdev: scsi device struct | |
4649 | * | |
4650 | * This function configures the specified scsi device. | |
4651 | * | |
4652 | * Return value: | |
4653 | * 0 on success | |
4654 | **/ | |
4655 | static int ipr_slave_configure(struct scsi_device *sdev) | |
4656 | { | |
4657 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *) sdev->host->hostdata; | |
4658 | struct ipr_resource_entry *res; | |
dd406ef8 | 4659 | struct ata_port *ap = NULL; |
1da177e4 | 4660 | unsigned long lock_flags = 0; |
3e7ebdfa | 4661 | char buffer[IPR_MAX_RES_PATH_LENGTH]; |
1da177e4 LT |
4662 | |
4663 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4664 | res = sdev->hostdata; | |
4665 | if (res) { | |
4666 | if (ipr_is_af_dasd_device(res)) | |
4667 | sdev->type = TYPE_RAID; | |
0726ce26 | 4668 | if (ipr_is_af_dasd_device(res) || ipr_is_ioa_resource(res)) { |
1da177e4 | 4669 | sdev->scsi_level = 4; |
0726ce26 BK |
4670 | sdev->no_uld_attach = 1; |
4671 | } | |
1da177e4 | 4672 | if (ipr_is_vset_device(res)) { |
242f9dcb JA |
4673 | blk_queue_rq_timeout(sdev->request_queue, |
4674 | IPR_VSET_RW_TIMEOUT); | |
086fa5ff | 4675 | blk_queue_max_hw_sectors(sdev->request_queue, IPR_VSET_MAX_SECTORS); |
1da177e4 | 4676 | } |
dd406ef8 BK |
4677 | if (ipr_is_gata(res) && res->sata_port) |
4678 | ap = res->sata_port->ap; | |
4679 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4680 | ||
4681 | if (ap) { | |
35a39691 | 4682 | scsi_adjust_queue_depth(sdev, 0, IPR_MAX_CMD_PER_ATA_LUN); |
dd406ef8 BK |
4683 | ata_sas_slave_configure(sdev, ap); |
4684 | } else | |
35a39691 | 4685 | scsi_adjust_queue_depth(sdev, 0, sdev->host->cmd_per_lun); |
3e7ebdfa WB |
4686 | if (ioa_cfg->sis64) |
4687 | sdev_printk(KERN_INFO, sdev, "Resource path: %s\n", | |
b3b3b407 BK |
4688 | ipr_format_res_path(ioa_cfg, |
4689 | res->res_path, buffer, sizeof(buffer))); | |
dd406ef8 | 4690 | return 0; |
1da177e4 LT |
4691 | } |
4692 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4693 | return 0; | |
4694 | } | |
4695 | ||
35a39691 BK |
4696 | /** |
4697 | * ipr_ata_slave_alloc - Prepare for commands to a SATA device | |
4698 | * @sdev: scsi device struct | |
4699 | * | |
4700 | * This function initializes an ATA port so that future commands | |
4701 | * sent through queuecommand will work. | |
4702 | * | |
4703 | * Return value: | |
4704 | * 0 on success | |
4705 | **/ | |
4706 | static int ipr_ata_slave_alloc(struct scsi_device *sdev) | |
4707 | { | |
4708 | struct ipr_sata_port *sata_port = NULL; | |
4709 | int rc = -ENXIO; | |
4710 | ||
4711 | ENTER; | |
4712 | if (sdev->sdev_target) | |
4713 | sata_port = sdev->sdev_target->hostdata; | |
b2024459 | 4714 | if (sata_port) { |
35a39691 | 4715 | rc = ata_sas_port_init(sata_port->ap); |
b2024459 DW |
4716 | if (rc == 0) |
4717 | rc = ata_sas_sync_probe(sata_port->ap); | |
4718 | } | |
4719 | ||
35a39691 BK |
4720 | if (rc) |
4721 | ipr_slave_destroy(sdev); | |
4722 | ||
4723 | LEAVE; | |
4724 | return rc; | |
4725 | } | |
4726 | ||
1da177e4 LT |
4727 | /** |
4728 | * ipr_slave_alloc - Prepare for commands to a device. | |
4729 | * @sdev: scsi device struct | |
4730 | * | |
4731 | * This function saves a pointer to the resource entry | |
4732 | * in the scsi device struct if the device exists. We | |
4733 | * can then use this pointer in ipr_queuecommand when | |
4734 | * handling new commands. | |
4735 | * | |
4736 | * Return value: | |
692aebfc | 4737 | * 0 on success / -ENXIO if device does not exist |
1da177e4 LT |
4738 | **/ |
4739 | static int ipr_slave_alloc(struct scsi_device *sdev) | |
4740 | { | |
4741 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *) sdev->host->hostdata; | |
4742 | struct ipr_resource_entry *res; | |
4743 | unsigned long lock_flags; | |
692aebfc | 4744 | int rc = -ENXIO; |
1da177e4 LT |
4745 | |
4746 | sdev->hostdata = NULL; | |
4747 | ||
4748 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4749 | ||
35a39691 BK |
4750 | res = ipr_find_sdev(sdev); |
4751 | if (res) { | |
4752 | res->sdev = sdev; | |
4753 | res->add_to_ml = 0; | |
4754 | res->in_erp = 0; | |
4755 | sdev->hostdata = res; | |
4756 | if (!ipr_is_naca_model(res)) | |
4757 | res->needs_sync_complete = 1; | |
4758 | rc = 0; | |
4759 | if (ipr_is_gata(res)) { | |
4760 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4761 | return ipr_ata_slave_alloc(sdev); | |
1da177e4 LT |
4762 | } |
4763 | } | |
4764 | ||
4765 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4766 | ||
692aebfc | 4767 | return rc; |
1da177e4 LT |
4768 | } |
4769 | ||
70233ac5 | 4770 | static int ipr_eh_host_reset(struct scsi_cmnd *cmd) |
1da177e4 LT |
4771 | { |
4772 | struct ipr_ioa_cfg *ioa_cfg; | |
70233ac5 | 4773 | unsigned long lock_flags = 0; |
4774 | int rc = SUCCESS; | |
1da177e4 LT |
4775 | |
4776 | ENTER; | |
70233ac5 | 4777 | ioa_cfg = (struct ipr_ioa_cfg *) cmd->device->host->hostdata; |
4778 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
1da177e4 | 4779 | |
a92fa25c | 4780 | if (!ioa_cfg->in_reset_reload) { |
70233ac5 | 4781 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_ABBREV); |
a92fa25c KSS |
4782 | dev_err(&ioa_cfg->pdev->dev, |
4783 | "Adapter being reset as a result of error recovery.\n"); | |
1da177e4 | 4784 | |
a92fa25c KSS |
4785 | if (WAIT_FOR_DUMP == ioa_cfg->sdt_state) |
4786 | ioa_cfg->sdt_state = GET_DUMP; | |
4787 | } | |
1da177e4 | 4788 | |
70233ac5 | 4789 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
4790 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
4791 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
df0ae249 | 4792 | |
70233ac5 | 4793 | /* If we got hit with a host reset while we were already resetting |
4794 | the adapter for some reason, and the reset failed. */ | |
4795 | if (ioa_cfg->hrrq[IPR_INIT_HRRQ].ioa_is_dead) { | |
4796 | ipr_trace; | |
4797 | rc = FAILED; | |
4798 | } | |
df0ae249 | 4799 | |
70233ac5 | 4800 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
4801 | LEAVE; | |
df0ae249 JG |
4802 | return rc; |
4803 | } | |
4804 | ||
c6513096 BK |
4805 | /** |
4806 | * ipr_device_reset - Reset the device | |
4807 | * @ioa_cfg: ioa config struct | |
4808 | * @res: resource entry struct | |
4809 | * | |
4810 | * This function issues a device reset to the affected device. | |
4811 | * If the device is a SCSI device, a LUN reset will be sent | |
4812 | * to the device first. If that does not work, a target reset | |
35a39691 BK |
4813 | * will be sent. If the device is a SATA device, a PHY reset will |
4814 | * be sent. | |
c6513096 BK |
4815 | * |
4816 | * Return value: | |
4817 | * 0 on success / non-zero on failure | |
4818 | **/ | |
4819 | static int ipr_device_reset(struct ipr_ioa_cfg *ioa_cfg, | |
4820 | struct ipr_resource_entry *res) | |
4821 | { | |
4822 | struct ipr_cmnd *ipr_cmd; | |
4823 | struct ipr_ioarcb *ioarcb; | |
4824 | struct ipr_cmd_pkt *cmd_pkt; | |
35a39691 | 4825 | struct ipr_ioarcb_ata_regs *regs; |
c6513096 BK |
4826 | u32 ioasc; |
4827 | ||
4828 | ENTER; | |
4829 | ipr_cmd = ipr_get_free_ipr_cmnd(ioa_cfg); | |
4830 | ioarcb = &ipr_cmd->ioarcb; | |
4831 | cmd_pkt = &ioarcb->cmd_pkt; | |
a32c055f WB |
4832 | |
4833 | if (ipr_cmd->ioa_cfg->sis64) { | |
4834 | regs = &ipr_cmd->i.ata_ioadl.regs; | |
4835 | ioarcb->add_cmd_parms_offset = cpu_to_be16(sizeof(*ioarcb)); | |
4836 | } else | |
4837 | regs = &ioarcb->u.add_data.u.regs; | |
c6513096 | 4838 | |
3e7ebdfa | 4839 | ioarcb->res_handle = res->res_handle; |
c6513096 BK |
4840 | cmd_pkt->request_type = IPR_RQTYPE_IOACMD; |
4841 | cmd_pkt->cdb[0] = IPR_RESET_DEVICE; | |
35a39691 BK |
4842 | if (ipr_is_gata(res)) { |
4843 | cmd_pkt->cdb[2] = IPR_ATA_PHY_RESET; | |
a32c055f | 4844 | ioarcb->add_cmd_parms_len = cpu_to_be16(sizeof(regs->flags)); |
35a39691 BK |
4845 | regs->flags |= IPR_ATA_FLAG_STATUS_ON_GOOD_COMPLETION; |
4846 | } | |
c6513096 BK |
4847 | |
4848 | ipr_send_blocking_cmd(ipr_cmd, ipr_timeout, IPR_DEVICE_RESET_TIMEOUT); | |
96d21f00 | 4849 | ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
05a6538a | 4850 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
96d21f00 WB |
4851 | if (ipr_is_gata(res) && res->sata_port && ioasc != IPR_IOASC_IOA_WAS_RESET) { |
4852 | if (ipr_cmd->ioa_cfg->sis64) | |
4853 | memcpy(&res->sata_port->ioasa, &ipr_cmd->s.ioasa64.u.gata, | |
4854 | sizeof(struct ipr_ioasa_gata)); | |
4855 | else | |
4856 | memcpy(&res->sata_port->ioasa, &ipr_cmd->s.ioasa.u.gata, | |
4857 | sizeof(struct ipr_ioasa_gata)); | |
4858 | } | |
c6513096 BK |
4859 | |
4860 | LEAVE; | |
203fa3fe | 4861 | return IPR_IOASC_SENSE_KEY(ioasc) ? -EIO : 0; |
c6513096 BK |
4862 | } |
4863 | ||
35a39691 BK |
4864 | /** |
4865 | * ipr_sata_reset - Reset the SATA port | |
cc0680a5 | 4866 | * @link: SATA link to reset |
35a39691 BK |
4867 | * @classes: class of the attached device |
4868 | * | |
cc0680a5 | 4869 | * This function issues a SATA phy reset to the affected ATA link. |
35a39691 BK |
4870 | * |
4871 | * Return value: | |
4872 | * 0 on success / non-zero on failure | |
4873 | **/ | |
cc0680a5 | 4874 | static int ipr_sata_reset(struct ata_link *link, unsigned int *classes, |
120bda35 | 4875 | unsigned long deadline) |
35a39691 | 4876 | { |
cc0680a5 | 4877 | struct ipr_sata_port *sata_port = link->ap->private_data; |
35a39691 BK |
4878 | struct ipr_ioa_cfg *ioa_cfg = sata_port->ioa_cfg; |
4879 | struct ipr_resource_entry *res; | |
4880 | unsigned long lock_flags = 0; | |
4881 | int rc = -ENXIO; | |
4882 | ||
4883 | ENTER; | |
4884 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
203fa3fe | 4885 | while (ioa_cfg->in_reset_reload) { |
73d98ff0 BK |
4886 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
4887 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
4888 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4889 | } | |
4890 | ||
35a39691 BK |
4891 | res = sata_port->res; |
4892 | if (res) { | |
4893 | rc = ipr_device_reset(ioa_cfg, res); | |
3e7ebdfa | 4894 | *classes = res->ata_class; |
35a39691 BK |
4895 | } |
4896 | ||
4897 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4898 | LEAVE; | |
4899 | return rc; | |
4900 | } | |
4901 | ||
1da177e4 LT |
4902 | /** |
4903 | * ipr_eh_dev_reset - Reset the device | |
4904 | * @scsi_cmd: scsi command struct | |
4905 | * | |
4906 | * This function issues a device reset to the affected device. | |
4907 | * A LUN reset will be sent to the device first. If that does | |
4908 | * not work, a target reset will be sent. | |
4909 | * | |
4910 | * Return value: | |
4911 | * SUCCESS / FAILED | |
4912 | **/ | |
203fa3fe | 4913 | static int __ipr_eh_dev_reset(struct scsi_cmnd *scsi_cmd) |
1da177e4 LT |
4914 | { |
4915 | struct ipr_cmnd *ipr_cmd; | |
4916 | struct ipr_ioa_cfg *ioa_cfg; | |
4917 | struct ipr_resource_entry *res; | |
35a39691 BK |
4918 | struct ata_port *ap; |
4919 | int rc = 0; | |
05a6538a | 4920 | struct ipr_hrr_queue *hrrq; |
1da177e4 LT |
4921 | |
4922 | ENTER; | |
4923 | ioa_cfg = (struct ipr_ioa_cfg *) scsi_cmd->device->host->hostdata; | |
4924 | res = scsi_cmd->device->hostdata; | |
4925 | ||
eeb88307 | 4926 | if (!res) |
1da177e4 LT |
4927 | return FAILED; |
4928 | ||
4929 | /* | |
4930 | * If we are currently going through reset/reload, return failed. This will force the | |
4931 | * mid-layer to call ipr_eh_host_reset, which will then go to sleep and wait for the | |
4932 | * reset to complete | |
4933 | */ | |
4934 | if (ioa_cfg->in_reset_reload) | |
4935 | return FAILED; | |
56d6aa33 | 4936 | if (ioa_cfg->hrrq[IPR_INIT_HRRQ].ioa_is_dead) |
1da177e4 LT |
4937 | return FAILED; |
4938 | ||
05a6538a | 4939 | for_each_hrrq(hrrq, ioa_cfg) { |
56d6aa33 | 4940 | spin_lock(&hrrq->_lock); |
05a6538a | 4941 | list_for_each_entry(ipr_cmd, &hrrq->hrrq_pending_q, queue) { |
4942 | if (ipr_cmd->ioarcb.res_handle == res->res_handle) { | |
4943 | if (ipr_cmd->scsi_cmd) | |
4944 | ipr_cmd->done = ipr_scsi_eh_done; | |
4945 | if (ipr_cmd->qc) | |
4946 | ipr_cmd->done = ipr_sata_eh_done; | |
4947 | if (ipr_cmd->qc && | |
4948 | !(ipr_cmd->qc->flags & ATA_QCFLAG_FAILED)) { | |
4949 | ipr_cmd->qc->err_mask |= AC_ERR_TIMEOUT; | |
4950 | ipr_cmd->qc->flags |= ATA_QCFLAG_FAILED; | |
4951 | } | |
7402ecef | 4952 | } |
1da177e4 | 4953 | } |
56d6aa33 | 4954 | spin_unlock(&hrrq->_lock); |
1da177e4 | 4955 | } |
1da177e4 | 4956 | res->resetting_device = 1; |
fb3ed3cb | 4957 | scmd_printk(KERN_ERR, scsi_cmd, "Resetting device\n"); |
35a39691 BK |
4958 | |
4959 | if (ipr_is_gata(res) && res->sata_port) { | |
4960 | ap = res->sata_port->ap; | |
4961 | spin_unlock_irq(scsi_cmd->device->host->host_lock); | |
a1efdaba | 4962 | ata_std_error_handler(ap); |
35a39691 | 4963 | spin_lock_irq(scsi_cmd->device->host->host_lock); |
5af23d26 | 4964 | |
05a6538a | 4965 | for_each_hrrq(hrrq, ioa_cfg) { |
56d6aa33 | 4966 | spin_lock(&hrrq->_lock); |
05a6538a | 4967 | list_for_each_entry(ipr_cmd, |
4968 | &hrrq->hrrq_pending_q, queue) { | |
4969 | if (ipr_cmd->ioarcb.res_handle == | |
4970 | res->res_handle) { | |
4971 | rc = -EIO; | |
4972 | break; | |
4973 | } | |
5af23d26 | 4974 | } |
56d6aa33 | 4975 | spin_unlock(&hrrq->_lock); |
5af23d26 | 4976 | } |
35a39691 BK |
4977 | } else |
4978 | rc = ipr_device_reset(ioa_cfg, res); | |
1da177e4 LT |
4979 | res->resetting_device = 0; |
4980 | ||
1da177e4 | 4981 | LEAVE; |
203fa3fe | 4982 | return rc ? FAILED : SUCCESS; |
1da177e4 LT |
4983 | } |
4984 | ||
203fa3fe | 4985 | static int ipr_eh_dev_reset(struct scsi_cmnd *cmd) |
94d0e7b8 JG |
4986 | { |
4987 | int rc; | |
4988 | ||
4989 | spin_lock_irq(cmd->device->host->host_lock); | |
4990 | rc = __ipr_eh_dev_reset(cmd); | |
4991 | spin_unlock_irq(cmd->device->host->host_lock); | |
4992 | ||
4993 | return rc; | |
4994 | } | |
4995 | ||
1da177e4 LT |
4996 | /** |
4997 | * ipr_bus_reset_done - Op done function for bus reset. | |
4998 | * @ipr_cmd: ipr command struct | |
4999 | * | |
5000 | * This function is the op done function for a bus reset | |
5001 | * | |
5002 | * Return value: | |
5003 | * none | |
5004 | **/ | |
5005 | static void ipr_bus_reset_done(struct ipr_cmnd *ipr_cmd) | |
5006 | { | |
5007 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
5008 | struct ipr_resource_entry *res; | |
5009 | ||
5010 | ENTER; | |
3e7ebdfa WB |
5011 | if (!ioa_cfg->sis64) |
5012 | list_for_each_entry(res, &ioa_cfg->used_res_q, queue) { | |
5013 | if (res->res_handle == ipr_cmd->ioarcb.res_handle) { | |
5014 | scsi_report_bus_reset(ioa_cfg->host, res->bus); | |
5015 | break; | |
5016 | } | |
1da177e4 | 5017 | } |
1da177e4 LT |
5018 | |
5019 | /* | |
5020 | * If abort has not completed, indicate the reset has, else call the | |
5021 | * abort's done function to wake the sleeping eh thread | |
5022 | */ | |
5023 | if (ipr_cmd->sibling->sibling) | |
5024 | ipr_cmd->sibling->sibling = NULL; | |
5025 | else | |
5026 | ipr_cmd->sibling->done(ipr_cmd->sibling); | |
5027 | ||
05a6538a | 5028 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
1da177e4 LT |
5029 | LEAVE; |
5030 | } | |
5031 | ||
5032 | /** | |
5033 | * ipr_abort_timeout - An abort task has timed out | |
5034 | * @ipr_cmd: ipr command struct | |
5035 | * | |
5036 | * This function handles when an abort task times out. If this | |
5037 | * happens we issue a bus reset since we have resources tied | |
5038 | * up that must be freed before returning to the midlayer. | |
5039 | * | |
5040 | * Return value: | |
5041 | * none | |
5042 | **/ | |
5043 | static void ipr_abort_timeout(struct ipr_cmnd *ipr_cmd) | |
5044 | { | |
5045 | struct ipr_cmnd *reset_cmd; | |
5046 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
5047 | struct ipr_cmd_pkt *cmd_pkt; | |
5048 | unsigned long lock_flags = 0; | |
5049 | ||
5050 | ENTER; | |
5051 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
5052 | if (ipr_cmd->completion.done || ioa_cfg->in_reset_reload) { | |
5053 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
5054 | return; | |
5055 | } | |
5056 | ||
fb3ed3cb | 5057 | sdev_printk(KERN_ERR, ipr_cmd->u.sdev, "Abort timed out. Resetting bus.\n"); |
1da177e4 LT |
5058 | reset_cmd = ipr_get_free_ipr_cmnd(ioa_cfg); |
5059 | ipr_cmd->sibling = reset_cmd; | |
5060 | reset_cmd->sibling = ipr_cmd; | |
5061 | reset_cmd->ioarcb.res_handle = ipr_cmd->ioarcb.res_handle; | |
5062 | cmd_pkt = &reset_cmd->ioarcb.cmd_pkt; | |
5063 | cmd_pkt->request_type = IPR_RQTYPE_IOACMD; | |
5064 | cmd_pkt->cdb[0] = IPR_RESET_DEVICE; | |
5065 | cmd_pkt->cdb[2] = IPR_RESET_TYPE_SELECT | IPR_BUS_RESET; | |
5066 | ||
5067 | ipr_do_req(reset_cmd, ipr_bus_reset_done, ipr_timeout, IPR_DEVICE_RESET_TIMEOUT); | |
5068 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
5069 | LEAVE; | |
5070 | } | |
5071 | ||
5072 | /** | |
5073 | * ipr_cancel_op - Cancel specified op | |
5074 | * @scsi_cmd: scsi command struct | |
5075 | * | |
5076 | * This function cancels specified op. | |
5077 | * | |
5078 | * Return value: | |
5079 | * SUCCESS / FAILED | |
5080 | **/ | |
203fa3fe | 5081 | static int ipr_cancel_op(struct scsi_cmnd *scsi_cmd) |
1da177e4 LT |
5082 | { |
5083 | struct ipr_cmnd *ipr_cmd; | |
5084 | struct ipr_ioa_cfg *ioa_cfg; | |
5085 | struct ipr_resource_entry *res; | |
5086 | struct ipr_cmd_pkt *cmd_pkt; | |
a92fa25c | 5087 | u32 ioasc, int_reg; |
1da177e4 | 5088 | int op_found = 0; |
05a6538a | 5089 | struct ipr_hrr_queue *hrrq; |
1da177e4 LT |
5090 | |
5091 | ENTER; | |
5092 | ioa_cfg = (struct ipr_ioa_cfg *)scsi_cmd->device->host->hostdata; | |
5093 | res = scsi_cmd->device->hostdata; | |
5094 | ||
8fa728a2 JG |
5095 | /* If we are currently going through reset/reload, return failed. |
5096 | * This will force the mid-layer to call ipr_eh_host_reset, | |
5097 | * which will then go to sleep and wait for the reset to complete | |
5098 | */ | |
56d6aa33 | 5099 | if (ioa_cfg->in_reset_reload || |
5100 | ioa_cfg->hrrq[IPR_INIT_HRRQ].ioa_is_dead) | |
8fa728a2 | 5101 | return FAILED; |
a92fa25c KSS |
5102 | if (!res) |
5103 | return FAILED; | |
5104 | ||
5105 | /* | |
5106 | * If we are aborting a timed out op, chances are that the timeout was caused | |
5107 | * by a still not detected EEH error. In such cases, reading a register will | |
5108 | * trigger the EEH recovery infrastructure. | |
5109 | */ | |
5110 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg); | |
5111 | ||
5112 | if (!ipr_is_gscsi(res)) | |
1da177e4 LT |
5113 | return FAILED; |
5114 | ||
05a6538a | 5115 | for_each_hrrq(hrrq, ioa_cfg) { |
56d6aa33 | 5116 | spin_lock(&hrrq->_lock); |
05a6538a | 5117 | list_for_each_entry(ipr_cmd, &hrrq->hrrq_pending_q, queue) { |
5118 | if (ipr_cmd->scsi_cmd == scsi_cmd) { | |
5119 | ipr_cmd->done = ipr_scsi_eh_done; | |
5120 | op_found = 1; | |
5121 | break; | |
5122 | } | |
1da177e4 | 5123 | } |
56d6aa33 | 5124 | spin_unlock(&hrrq->_lock); |
1da177e4 LT |
5125 | } |
5126 | ||
5127 | if (!op_found) | |
5128 | return SUCCESS; | |
5129 | ||
5130 | ipr_cmd = ipr_get_free_ipr_cmnd(ioa_cfg); | |
3e7ebdfa | 5131 | ipr_cmd->ioarcb.res_handle = res->res_handle; |
1da177e4 LT |
5132 | cmd_pkt = &ipr_cmd->ioarcb.cmd_pkt; |
5133 | cmd_pkt->request_type = IPR_RQTYPE_IOACMD; | |
5134 | cmd_pkt->cdb[0] = IPR_CANCEL_ALL_REQUESTS; | |
5135 | ipr_cmd->u.sdev = scsi_cmd->device; | |
5136 | ||
fb3ed3cb BK |
5137 | scmd_printk(KERN_ERR, scsi_cmd, "Aborting command: %02X\n", |
5138 | scsi_cmd->cmnd[0]); | |
1da177e4 | 5139 | ipr_send_blocking_cmd(ipr_cmd, ipr_abort_timeout, IPR_CANCEL_ALL_TIMEOUT); |
96d21f00 | 5140 | ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
1da177e4 LT |
5141 | |
5142 | /* | |
5143 | * If the abort task timed out and we sent a bus reset, we will get | |
5144 | * one the following responses to the abort | |
5145 | */ | |
5146 | if (ioasc == IPR_IOASC_BUS_WAS_RESET || ioasc == IPR_IOASC_SYNC_REQUIRED) { | |
5147 | ioasc = 0; | |
5148 | ipr_trace; | |
5149 | } | |
5150 | ||
c4ee22a3 | 5151 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
ee0a90fa BK |
5152 | if (!ipr_is_naca_model(res)) |
5153 | res->needs_sync_complete = 1; | |
1da177e4 LT |
5154 | |
5155 | LEAVE; | |
203fa3fe | 5156 | return IPR_IOASC_SENSE_KEY(ioasc) ? FAILED : SUCCESS; |
1da177e4 LT |
5157 | } |
5158 | ||
5159 | /** | |
5160 | * ipr_eh_abort - Abort a single op | |
5161 | * @scsi_cmd: scsi command struct | |
5162 | * | |
5163 | * Return value: | |
5164 | * SUCCESS / FAILED | |
5165 | **/ | |
203fa3fe | 5166 | static int ipr_eh_abort(struct scsi_cmnd *scsi_cmd) |
1da177e4 | 5167 | { |
8fa728a2 JG |
5168 | unsigned long flags; |
5169 | int rc; | |
1da177e4 LT |
5170 | |
5171 | ENTER; | |
1da177e4 | 5172 | |
8fa728a2 JG |
5173 | spin_lock_irqsave(scsi_cmd->device->host->host_lock, flags); |
5174 | rc = ipr_cancel_op(scsi_cmd); | |
5175 | spin_unlock_irqrestore(scsi_cmd->device->host->host_lock, flags); | |
1da177e4 LT |
5176 | |
5177 | LEAVE; | |
8fa728a2 | 5178 | return rc; |
1da177e4 LT |
5179 | } |
5180 | ||
5181 | /** | |
5182 | * ipr_handle_other_interrupt - Handle "other" interrupts | |
5183 | * @ioa_cfg: ioa config struct | |
634651fa | 5184 | * @int_reg: interrupt register |
1da177e4 LT |
5185 | * |
5186 | * Return value: | |
5187 | * IRQ_NONE / IRQ_HANDLED | |
5188 | **/ | |
634651fa | 5189 | static irqreturn_t ipr_handle_other_interrupt(struct ipr_ioa_cfg *ioa_cfg, |
630ad831 | 5190 | u32 int_reg) |
1da177e4 LT |
5191 | { |
5192 | irqreturn_t rc = IRQ_HANDLED; | |
7dacb64f | 5193 | u32 int_mask_reg; |
56d6aa33 | 5194 | |
7dacb64f WB |
5195 | int_mask_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg32); |
5196 | int_reg &= ~int_mask_reg; | |
5197 | ||
5198 | /* If an interrupt on the adapter did not occur, ignore it. | |
5199 | * Or in the case of SIS 64, check for a stage change interrupt. | |
5200 | */ | |
5201 | if ((int_reg & IPR_PCII_OPER_INTERRUPTS) == 0) { | |
5202 | if (ioa_cfg->sis64) { | |
5203 | int_mask_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg); | |
5204 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg) & ~int_mask_reg; | |
5205 | if (int_reg & IPR_PCII_IPL_STAGE_CHANGE) { | |
5206 | ||
5207 | /* clear stage change */ | |
5208 | writel(IPR_PCII_IPL_STAGE_CHANGE, ioa_cfg->regs.clr_interrupt_reg); | |
5209 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg) & ~int_mask_reg; | |
5210 | list_del(&ioa_cfg->reset_cmd->queue); | |
5211 | del_timer(&ioa_cfg->reset_cmd->timer); | |
5212 | ipr_reset_ioa_job(ioa_cfg->reset_cmd); | |
5213 | return IRQ_HANDLED; | |
5214 | } | |
5215 | } | |
5216 | ||
5217 | return IRQ_NONE; | |
5218 | } | |
1da177e4 LT |
5219 | |
5220 | if (int_reg & IPR_PCII_IOA_TRANS_TO_OPER) { | |
5221 | /* Mask the interrupt */ | |
5222 | writel(IPR_PCII_IOA_TRANS_TO_OPER, ioa_cfg->regs.set_interrupt_mask_reg); | |
5223 | ||
5224 | /* Clear the interrupt */ | |
5225 | writel(IPR_PCII_IOA_TRANS_TO_OPER, ioa_cfg->regs.clr_interrupt_reg); | |
5226 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg); | |
5227 | ||
5228 | list_del(&ioa_cfg->reset_cmd->queue); | |
5229 | del_timer(&ioa_cfg->reset_cmd->timer); | |
5230 | ipr_reset_ioa_job(ioa_cfg->reset_cmd); | |
7dacb64f | 5231 | } else if ((int_reg & IPR_PCII_HRRQ_UPDATED) == int_reg) { |
7dd21308 BK |
5232 | if (ioa_cfg->clear_isr) { |
5233 | if (ipr_debug && printk_ratelimit()) | |
5234 | dev_err(&ioa_cfg->pdev->dev, | |
5235 | "Spurious interrupt detected. 0x%08X\n", int_reg); | |
5236 | writel(IPR_PCII_HRRQ_UPDATED, ioa_cfg->regs.clr_interrupt_reg32); | |
5237 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg32); | |
5238 | return IRQ_NONE; | |
5239 | } | |
1da177e4 LT |
5240 | } else { |
5241 | if (int_reg & IPR_PCII_IOA_UNIT_CHECKED) | |
5242 | ioa_cfg->ioa_unit_checked = 1; | |
05a6538a | 5243 | else if (int_reg & IPR_PCII_NO_HOST_RRQ) |
5244 | dev_err(&ioa_cfg->pdev->dev, | |
5245 | "No Host RRQ. 0x%08X\n", int_reg); | |
1da177e4 LT |
5246 | else |
5247 | dev_err(&ioa_cfg->pdev->dev, | |
5248 | "Permanent IOA failure. 0x%08X\n", int_reg); | |
5249 | ||
5250 | if (WAIT_FOR_DUMP == ioa_cfg->sdt_state) | |
5251 | ioa_cfg->sdt_state = GET_DUMP; | |
5252 | ||
5253 | ipr_mask_and_clear_interrupts(ioa_cfg, ~0); | |
5254 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); | |
5255 | } | |
56d6aa33 | 5256 | |
1da177e4 LT |
5257 | return rc; |
5258 | } | |
5259 | ||
3feeb89d WB |
5260 | /** |
5261 | * ipr_isr_eh - Interrupt service routine error handler | |
5262 | * @ioa_cfg: ioa config struct | |
5263 | * @msg: message to log | |
5264 | * | |
5265 | * Return value: | |
5266 | * none | |
5267 | **/ | |
05a6538a | 5268 | static void ipr_isr_eh(struct ipr_ioa_cfg *ioa_cfg, char *msg, u16 number) |
3feeb89d WB |
5269 | { |
5270 | ioa_cfg->errors_logged++; | |
05a6538a | 5271 | dev_err(&ioa_cfg->pdev->dev, "%s %d\n", msg, number); |
3feeb89d WB |
5272 | |
5273 | if (WAIT_FOR_DUMP == ioa_cfg->sdt_state) | |
5274 | ioa_cfg->sdt_state = GET_DUMP; | |
5275 | ||
5276 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); | |
5277 | } | |
5278 | ||
b53d124a | 5279 | static int ipr_process_hrrq(struct ipr_hrr_queue *hrr_queue, int budget, |
05a6538a | 5280 | struct list_head *doneq) |
5281 | { | |
5282 | u32 ioasc; | |
5283 | u16 cmd_index; | |
5284 | struct ipr_cmnd *ipr_cmd; | |
5285 | struct ipr_ioa_cfg *ioa_cfg = hrr_queue->ioa_cfg; | |
5286 | int num_hrrq = 0; | |
5287 | ||
5288 | /* If interrupts are disabled, ignore the interrupt */ | |
56d6aa33 | 5289 | if (!hrr_queue->allow_interrupts) |
05a6538a | 5290 | return 0; |
5291 | ||
5292 | while ((be32_to_cpu(*hrr_queue->hrrq_curr) & IPR_HRRQ_TOGGLE_BIT) == | |
5293 | hrr_queue->toggle_bit) { | |
5294 | ||
5295 | cmd_index = (be32_to_cpu(*hrr_queue->hrrq_curr) & | |
5296 | IPR_HRRQ_REQ_RESP_HANDLE_MASK) >> | |
5297 | IPR_HRRQ_REQ_RESP_HANDLE_SHIFT; | |
5298 | ||
5299 | if (unlikely(cmd_index > hrr_queue->max_cmd_id || | |
5300 | cmd_index < hrr_queue->min_cmd_id)) { | |
5301 | ipr_isr_eh(ioa_cfg, | |
5302 | "Invalid response handle from IOA: ", | |
5303 | cmd_index); | |
5304 | break; | |
5305 | } | |
5306 | ||
5307 | ipr_cmd = ioa_cfg->ipr_cmnd_list[cmd_index]; | |
5308 | ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); | |
5309 | ||
5310 | ipr_trc_hook(ipr_cmd, IPR_TRACE_FINISH, ioasc); | |
5311 | ||
5312 | list_move_tail(&ipr_cmd->queue, doneq); | |
5313 | ||
5314 | if (hrr_queue->hrrq_curr < hrr_queue->hrrq_end) { | |
5315 | hrr_queue->hrrq_curr++; | |
5316 | } else { | |
5317 | hrr_queue->hrrq_curr = hrr_queue->hrrq_start; | |
5318 | hrr_queue->toggle_bit ^= 1u; | |
5319 | } | |
5320 | num_hrrq++; | |
b53d124a | 5321 | if (budget > 0 && num_hrrq >= budget) |
5322 | break; | |
05a6538a | 5323 | } |
b53d124a | 5324 | |
05a6538a | 5325 | return num_hrrq; |
5326 | } | |
b53d124a | 5327 | |
5328 | static int ipr_iopoll(struct blk_iopoll *iop, int budget) | |
5329 | { | |
5330 | struct ipr_ioa_cfg *ioa_cfg; | |
5331 | struct ipr_hrr_queue *hrrq; | |
5332 | struct ipr_cmnd *ipr_cmd, *temp; | |
5333 | unsigned long hrrq_flags; | |
5334 | int completed_ops; | |
5335 | LIST_HEAD(doneq); | |
5336 | ||
5337 | hrrq = container_of(iop, struct ipr_hrr_queue, iopoll); | |
5338 | ioa_cfg = hrrq->ioa_cfg; | |
5339 | ||
5340 | spin_lock_irqsave(hrrq->lock, hrrq_flags); | |
5341 | completed_ops = ipr_process_hrrq(hrrq, budget, &doneq); | |
5342 | ||
5343 | if (completed_ops < budget) | |
5344 | blk_iopoll_complete(iop); | |
5345 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); | |
5346 | ||
5347 | list_for_each_entry_safe(ipr_cmd, temp, &doneq, queue) { | |
5348 | list_del(&ipr_cmd->queue); | |
5349 | del_timer(&ipr_cmd->timer); | |
5350 | ipr_cmd->fast_done(ipr_cmd); | |
5351 | } | |
5352 | ||
5353 | return completed_ops; | |
5354 | } | |
5355 | ||
1da177e4 LT |
5356 | /** |
5357 | * ipr_isr - Interrupt service routine | |
5358 | * @irq: irq number | |
5359 | * @devp: pointer to ioa config struct | |
1da177e4 LT |
5360 | * |
5361 | * Return value: | |
5362 | * IRQ_NONE / IRQ_HANDLED | |
5363 | **/ | |
7d12e780 | 5364 | static irqreturn_t ipr_isr(int irq, void *devp) |
1da177e4 | 5365 | { |
05a6538a | 5366 | struct ipr_hrr_queue *hrrq = (struct ipr_hrr_queue *)devp; |
5367 | struct ipr_ioa_cfg *ioa_cfg = hrrq->ioa_cfg; | |
56d6aa33 | 5368 | unsigned long hrrq_flags = 0; |
7dacb64f | 5369 | u32 int_reg = 0; |
3feeb89d | 5370 | int num_hrrq = 0; |
7dacb64f | 5371 | int irq_none = 0; |
172cd6e1 | 5372 | struct ipr_cmnd *ipr_cmd, *temp; |
1da177e4 | 5373 | irqreturn_t rc = IRQ_NONE; |
172cd6e1 | 5374 | LIST_HEAD(doneq); |
1da177e4 | 5375 | |
56d6aa33 | 5376 | spin_lock_irqsave(hrrq->lock, hrrq_flags); |
1da177e4 | 5377 | /* If interrupts are disabled, ignore the interrupt */ |
56d6aa33 | 5378 | if (!hrrq->allow_interrupts) { |
5379 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); | |
1da177e4 LT |
5380 | return IRQ_NONE; |
5381 | } | |
5382 | ||
1da177e4 | 5383 | while (1) { |
b53d124a | 5384 | if (ipr_process_hrrq(hrrq, -1, &doneq)) { |
5385 | rc = IRQ_HANDLED; | |
1da177e4 | 5386 | |
b53d124a | 5387 | if (!ioa_cfg->clear_isr) |
5388 | break; | |
7dd21308 | 5389 | |
1da177e4 | 5390 | /* Clear the PCI interrupt */ |
a5442ba4 | 5391 | num_hrrq = 0; |
3feeb89d | 5392 | do { |
b53d124a | 5393 | writel(IPR_PCII_HRRQ_UPDATED, |
5394 | ioa_cfg->regs.clr_interrupt_reg32); | |
7dacb64f | 5395 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg32); |
3feeb89d | 5396 | } while (int_reg & IPR_PCII_HRRQ_UPDATED && |
b53d124a | 5397 | num_hrrq++ < IPR_MAX_HRRQ_RETRIES); |
3feeb89d | 5398 | |
7dacb64f WB |
5399 | } else if (rc == IRQ_NONE && irq_none == 0) { |
5400 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg32); | |
5401 | irq_none++; | |
a5442ba4 WB |
5402 | } else if (num_hrrq == IPR_MAX_HRRQ_RETRIES && |
5403 | int_reg & IPR_PCII_HRRQ_UPDATED) { | |
b53d124a | 5404 | ipr_isr_eh(ioa_cfg, |
5405 | "Error clearing HRRQ: ", num_hrrq); | |
172cd6e1 | 5406 | rc = IRQ_HANDLED; |
b53d124a | 5407 | break; |
1da177e4 LT |
5408 | } else |
5409 | break; | |
5410 | } | |
5411 | ||
5412 | if (unlikely(rc == IRQ_NONE)) | |
634651fa | 5413 | rc = ipr_handle_other_interrupt(ioa_cfg, int_reg); |
1da177e4 | 5414 | |
56d6aa33 | 5415 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); |
172cd6e1 BK |
5416 | list_for_each_entry_safe(ipr_cmd, temp, &doneq, queue) { |
5417 | list_del(&ipr_cmd->queue); | |
5418 | del_timer(&ipr_cmd->timer); | |
5419 | ipr_cmd->fast_done(ipr_cmd); | |
5420 | } | |
05a6538a | 5421 | return rc; |
5422 | } | |
5423 | ||
5424 | /** | |
5425 | * ipr_isr_mhrrq - Interrupt service routine | |
5426 | * @irq: irq number | |
5427 | * @devp: pointer to ioa config struct | |
5428 | * | |
5429 | * Return value: | |
5430 | * IRQ_NONE / IRQ_HANDLED | |
5431 | **/ | |
5432 | static irqreturn_t ipr_isr_mhrrq(int irq, void *devp) | |
5433 | { | |
5434 | struct ipr_hrr_queue *hrrq = (struct ipr_hrr_queue *)devp; | |
b53d124a | 5435 | struct ipr_ioa_cfg *ioa_cfg = hrrq->ioa_cfg; |
56d6aa33 | 5436 | unsigned long hrrq_flags = 0; |
05a6538a | 5437 | struct ipr_cmnd *ipr_cmd, *temp; |
5438 | irqreturn_t rc = IRQ_NONE; | |
5439 | LIST_HEAD(doneq); | |
172cd6e1 | 5440 | |
56d6aa33 | 5441 | spin_lock_irqsave(hrrq->lock, hrrq_flags); |
05a6538a | 5442 | |
5443 | /* If interrupts are disabled, ignore the interrupt */ | |
56d6aa33 | 5444 | if (!hrrq->allow_interrupts) { |
5445 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); | |
05a6538a | 5446 | return IRQ_NONE; |
5447 | } | |
5448 | ||
b53d124a | 5449 | if (blk_iopoll_enabled && ioa_cfg->iopoll_weight && |
5450 | ioa_cfg->sis64 && ioa_cfg->nvectors > 1) { | |
5451 | if ((be32_to_cpu(*hrrq->hrrq_curr) & IPR_HRRQ_TOGGLE_BIT) == | |
5452 | hrrq->toggle_bit) { | |
5453 | if (!blk_iopoll_sched_prep(&hrrq->iopoll)) | |
5454 | blk_iopoll_sched(&hrrq->iopoll); | |
5455 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); | |
5456 | return IRQ_HANDLED; | |
5457 | } | |
5458 | } else { | |
5459 | if ((be32_to_cpu(*hrrq->hrrq_curr) & IPR_HRRQ_TOGGLE_BIT) == | |
5460 | hrrq->toggle_bit) | |
05a6538a | 5461 | |
b53d124a | 5462 | if (ipr_process_hrrq(hrrq, -1, &doneq)) |
5463 | rc = IRQ_HANDLED; | |
5464 | } | |
05a6538a | 5465 | |
56d6aa33 | 5466 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); |
05a6538a | 5467 | |
5468 | list_for_each_entry_safe(ipr_cmd, temp, &doneq, queue) { | |
5469 | list_del(&ipr_cmd->queue); | |
5470 | del_timer(&ipr_cmd->timer); | |
5471 | ipr_cmd->fast_done(ipr_cmd); | |
5472 | } | |
1da177e4 LT |
5473 | return rc; |
5474 | } | |
5475 | ||
a32c055f WB |
5476 | /** |
5477 | * ipr_build_ioadl64 - Build a scatter/gather list and map the buffer | |
5478 | * @ioa_cfg: ioa config struct | |
5479 | * @ipr_cmd: ipr command struct | |
5480 | * | |
5481 | * Return value: | |
5482 | * 0 on success / -1 on failure | |
5483 | **/ | |
5484 | static int ipr_build_ioadl64(struct ipr_ioa_cfg *ioa_cfg, | |
5485 | struct ipr_cmnd *ipr_cmd) | |
5486 | { | |
5487 | int i, nseg; | |
5488 | struct scatterlist *sg; | |
5489 | u32 length; | |
5490 | u32 ioadl_flags = 0; | |
5491 | struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd; | |
5492 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
5493 | struct ipr_ioadl64_desc *ioadl64 = ipr_cmd->i.ioadl64; | |
5494 | ||
5495 | length = scsi_bufflen(scsi_cmd); | |
5496 | if (!length) | |
5497 | return 0; | |
5498 | ||
5499 | nseg = scsi_dma_map(scsi_cmd); | |
5500 | if (nseg < 0) { | |
51f52a47 AB |
5501 | if (printk_ratelimit()) |
5502 | dev_err(&ioa_cfg->pdev->dev, "pci_map_sg failed!\n"); | |
a32c055f WB |
5503 | return -1; |
5504 | } | |
5505 | ||
5506 | ipr_cmd->dma_use_sg = nseg; | |
5507 | ||
438b0331 | 5508 | ioarcb->data_transfer_length = cpu_to_be32(length); |
b8803b1c WB |
5509 | ioarcb->ioadl_len = |
5510 | cpu_to_be32(sizeof(struct ipr_ioadl64_desc) * ipr_cmd->dma_use_sg); | |
438b0331 | 5511 | |
a32c055f WB |
5512 | if (scsi_cmd->sc_data_direction == DMA_TO_DEVICE) { |
5513 | ioadl_flags = IPR_IOADL_FLAGS_WRITE; | |
5514 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ; | |
5515 | } else if (scsi_cmd->sc_data_direction == DMA_FROM_DEVICE) | |
5516 | ioadl_flags = IPR_IOADL_FLAGS_READ; | |
5517 | ||
5518 | scsi_for_each_sg(scsi_cmd, sg, ipr_cmd->dma_use_sg, i) { | |
5519 | ioadl64[i].flags = cpu_to_be32(ioadl_flags); | |
5520 | ioadl64[i].data_len = cpu_to_be32(sg_dma_len(sg)); | |
5521 | ioadl64[i].address = cpu_to_be64(sg_dma_address(sg)); | |
5522 | } | |
5523 | ||
5524 | ioadl64[i-1].flags |= cpu_to_be32(IPR_IOADL_FLAGS_LAST); | |
5525 | return 0; | |
5526 | } | |
5527 | ||
1da177e4 LT |
5528 | /** |
5529 | * ipr_build_ioadl - Build a scatter/gather list and map the buffer | |
5530 | * @ioa_cfg: ioa config struct | |
5531 | * @ipr_cmd: ipr command struct | |
5532 | * | |
5533 | * Return value: | |
5534 | * 0 on success / -1 on failure | |
5535 | **/ | |
5536 | static int ipr_build_ioadl(struct ipr_ioa_cfg *ioa_cfg, | |
5537 | struct ipr_cmnd *ipr_cmd) | |
5538 | { | |
63015bc9 FT |
5539 | int i, nseg; |
5540 | struct scatterlist *sg; | |
1da177e4 LT |
5541 | u32 length; |
5542 | u32 ioadl_flags = 0; | |
5543 | struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd; | |
5544 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
a32c055f | 5545 | struct ipr_ioadl_desc *ioadl = ipr_cmd->i.ioadl; |
1da177e4 | 5546 | |
63015bc9 FT |
5547 | length = scsi_bufflen(scsi_cmd); |
5548 | if (!length) | |
1da177e4 LT |
5549 | return 0; |
5550 | ||
63015bc9 FT |
5551 | nseg = scsi_dma_map(scsi_cmd); |
5552 | if (nseg < 0) { | |
5553 | dev_err(&ioa_cfg->pdev->dev, "pci_map_sg failed!\n"); | |
5554 | return -1; | |
5555 | } | |
51b1c7e1 | 5556 | |
63015bc9 FT |
5557 | ipr_cmd->dma_use_sg = nseg; |
5558 | ||
5559 | if (scsi_cmd->sc_data_direction == DMA_TO_DEVICE) { | |
5560 | ioadl_flags = IPR_IOADL_FLAGS_WRITE; | |
5561 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ; | |
a32c055f WB |
5562 | ioarcb->data_transfer_length = cpu_to_be32(length); |
5563 | ioarcb->ioadl_len = | |
63015bc9 FT |
5564 | cpu_to_be32(sizeof(struct ipr_ioadl_desc) * ipr_cmd->dma_use_sg); |
5565 | } else if (scsi_cmd->sc_data_direction == DMA_FROM_DEVICE) { | |
5566 | ioadl_flags = IPR_IOADL_FLAGS_READ; | |
5567 | ioarcb->read_data_transfer_length = cpu_to_be32(length); | |
5568 | ioarcb->read_ioadl_len = | |
5569 | cpu_to_be32(sizeof(struct ipr_ioadl_desc) * ipr_cmd->dma_use_sg); | |
5570 | } | |
1da177e4 | 5571 | |
a32c055f WB |
5572 | if (ipr_cmd->dma_use_sg <= ARRAY_SIZE(ioarcb->u.add_data.u.ioadl)) { |
5573 | ioadl = ioarcb->u.add_data.u.ioadl; | |
5574 | ioarcb->write_ioadl_addr = cpu_to_be32((ipr_cmd->dma_addr) + | |
5575 | offsetof(struct ipr_ioarcb, u.add_data)); | |
63015bc9 FT |
5576 | ioarcb->read_ioadl_addr = ioarcb->write_ioadl_addr; |
5577 | } | |
1da177e4 | 5578 | |
63015bc9 FT |
5579 | scsi_for_each_sg(scsi_cmd, sg, ipr_cmd->dma_use_sg, i) { |
5580 | ioadl[i].flags_and_data_len = | |
5581 | cpu_to_be32(ioadl_flags | sg_dma_len(sg)); | |
5582 | ioadl[i].address = cpu_to_be32(sg_dma_address(sg)); | |
1da177e4 LT |
5583 | } |
5584 | ||
63015bc9 FT |
5585 | ioadl[i-1].flags_and_data_len |= cpu_to_be32(IPR_IOADL_FLAGS_LAST); |
5586 | return 0; | |
1da177e4 LT |
5587 | } |
5588 | ||
5589 | /** | |
5590 | * ipr_get_task_attributes - Translate SPI Q-Tag to task attributes | |
5591 | * @scsi_cmd: scsi command struct | |
5592 | * | |
5593 | * Return value: | |
5594 | * task attributes | |
5595 | **/ | |
5596 | static u8 ipr_get_task_attributes(struct scsi_cmnd *scsi_cmd) | |
5597 | { | |
5598 | u8 tag[2]; | |
5599 | u8 rc = IPR_FLAGS_LO_UNTAGGED_TASK; | |
5600 | ||
5601 | if (scsi_populate_tag_msg(scsi_cmd, tag)) { | |
5602 | switch (tag[0]) { | |
5603 | case MSG_SIMPLE_TAG: | |
5604 | rc = IPR_FLAGS_LO_SIMPLE_TASK; | |
5605 | break; | |
5606 | case MSG_HEAD_TAG: | |
5607 | rc = IPR_FLAGS_LO_HEAD_OF_Q_TASK; | |
5608 | break; | |
5609 | case MSG_ORDERED_TAG: | |
5610 | rc = IPR_FLAGS_LO_ORDERED_TASK; | |
5611 | break; | |
5612 | }; | |
5613 | } | |
5614 | ||
5615 | return rc; | |
5616 | } | |
5617 | ||
5618 | /** | |
5619 | * ipr_erp_done - Process completion of ERP for a device | |
5620 | * @ipr_cmd: ipr command struct | |
5621 | * | |
5622 | * This function copies the sense buffer into the scsi_cmd | |
5623 | * struct and pushes the scsi_done function. | |
5624 | * | |
5625 | * Return value: | |
5626 | * nothing | |
5627 | **/ | |
5628 | static void ipr_erp_done(struct ipr_cmnd *ipr_cmd) | |
5629 | { | |
5630 | struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd; | |
5631 | struct ipr_resource_entry *res = scsi_cmd->device->hostdata; | |
96d21f00 | 5632 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
1da177e4 LT |
5633 | |
5634 | if (IPR_IOASC_SENSE_KEY(ioasc) > 0) { | |
5635 | scsi_cmd->result |= (DID_ERROR << 16); | |
fb3ed3cb BK |
5636 | scmd_printk(KERN_ERR, scsi_cmd, |
5637 | "Request Sense failed with IOASC: 0x%08X\n", ioasc); | |
1da177e4 LT |
5638 | } else { |
5639 | memcpy(scsi_cmd->sense_buffer, ipr_cmd->sense_buffer, | |
5640 | SCSI_SENSE_BUFFERSIZE); | |
5641 | } | |
5642 | ||
5643 | if (res) { | |
ee0a90fa BK |
5644 | if (!ipr_is_naca_model(res)) |
5645 | res->needs_sync_complete = 1; | |
1da177e4 LT |
5646 | res->in_erp = 0; |
5647 | } | |
63015bc9 | 5648 | scsi_dma_unmap(ipr_cmd->scsi_cmd); |
05a6538a | 5649 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
1da177e4 LT |
5650 | scsi_cmd->scsi_done(scsi_cmd); |
5651 | } | |
5652 | ||
5653 | /** | |
5654 | * ipr_reinit_ipr_cmnd_for_erp - Re-initialize a cmnd block to be used for ERP | |
5655 | * @ipr_cmd: ipr command struct | |
5656 | * | |
5657 | * Return value: | |
5658 | * none | |
5659 | **/ | |
5660 | static void ipr_reinit_ipr_cmnd_for_erp(struct ipr_cmnd *ipr_cmd) | |
5661 | { | |
51b1c7e1 | 5662 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; |
96d21f00 | 5663 | struct ipr_ioasa *ioasa = &ipr_cmd->s.ioasa; |
a32c055f | 5664 | dma_addr_t dma_addr = ipr_cmd->dma_addr; |
1da177e4 LT |
5665 | |
5666 | memset(&ioarcb->cmd_pkt, 0, sizeof(struct ipr_cmd_pkt)); | |
a32c055f | 5667 | ioarcb->data_transfer_length = 0; |
1da177e4 | 5668 | ioarcb->read_data_transfer_length = 0; |
a32c055f | 5669 | ioarcb->ioadl_len = 0; |
1da177e4 | 5670 | ioarcb->read_ioadl_len = 0; |
96d21f00 WB |
5671 | ioasa->hdr.ioasc = 0; |
5672 | ioasa->hdr.residual_data_len = 0; | |
a32c055f WB |
5673 | |
5674 | if (ipr_cmd->ioa_cfg->sis64) | |
5675 | ioarcb->u.sis64_addr_data.data_ioadl_addr = | |
5676 | cpu_to_be64(dma_addr + offsetof(struct ipr_cmnd, i.ioadl64)); | |
5677 | else { | |
5678 | ioarcb->write_ioadl_addr = | |
5679 | cpu_to_be32(dma_addr + offsetof(struct ipr_cmnd, i.ioadl)); | |
5680 | ioarcb->read_ioadl_addr = ioarcb->write_ioadl_addr; | |
5681 | } | |
1da177e4 LT |
5682 | } |
5683 | ||
5684 | /** | |
5685 | * ipr_erp_request_sense - Send request sense to a device | |
5686 | * @ipr_cmd: ipr command struct | |
5687 | * | |
5688 | * This function sends a request sense to a device as a result | |
5689 | * of a check condition. | |
5690 | * | |
5691 | * Return value: | |
5692 | * nothing | |
5693 | **/ | |
5694 | static void ipr_erp_request_sense(struct ipr_cmnd *ipr_cmd) | |
5695 | { | |
5696 | struct ipr_cmd_pkt *cmd_pkt = &ipr_cmd->ioarcb.cmd_pkt; | |
96d21f00 | 5697 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
1da177e4 LT |
5698 | |
5699 | if (IPR_IOASC_SENSE_KEY(ioasc) > 0) { | |
5700 | ipr_erp_done(ipr_cmd); | |
5701 | return; | |
5702 | } | |
5703 | ||
5704 | ipr_reinit_ipr_cmnd_for_erp(ipr_cmd); | |
5705 | ||
5706 | cmd_pkt->request_type = IPR_RQTYPE_SCSICDB; | |
5707 | cmd_pkt->cdb[0] = REQUEST_SENSE; | |
5708 | cmd_pkt->cdb[4] = SCSI_SENSE_BUFFERSIZE; | |
5709 | cmd_pkt->flags_hi |= IPR_FLAGS_HI_SYNC_OVERRIDE; | |
5710 | cmd_pkt->flags_hi |= IPR_FLAGS_HI_NO_ULEN_CHK; | |
5711 | cmd_pkt->timeout = cpu_to_be16(IPR_REQUEST_SENSE_TIMEOUT / HZ); | |
5712 | ||
a32c055f WB |
5713 | ipr_init_ioadl(ipr_cmd, ipr_cmd->sense_buffer_dma, |
5714 | SCSI_SENSE_BUFFERSIZE, IPR_IOADL_FLAGS_READ_LAST); | |
1da177e4 LT |
5715 | |
5716 | ipr_do_req(ipr_cmd, ipr_erp_done, ipr_timeout, | |
5717 | IPR_REQUEST_SENSE_TIMEOUT * 2); | |
5718 | } | |
5719 | ||
5720 | /** | |
5721 | * ipr_erp_cancel_all - Send cancel all to a device | |
5722 | * @ipr_cmd: ipr command struct | |
5723 | * | |
5724 | * This function sends a cancel all to a device to clear the | |
5725 | * queue. If we are running TCQ on the device, QERR is set to 1, | |
5726 | * which means all outstanding ops have been dropped on the floor. | |
5727 | * Cancel all will return them to us. | |
5728 | * | |
5729 | * Return value: | |
5730 | * nothing | |
5731 | **/ | |
5732 | static void ipr_erp_cancel_all(struct ipr_cmnd *ipr_cmd) | |
5733 | { | |
5734 | struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd; | |
5735 | struct ipr_resource_entry *res = scsi_cmd->device->hostdata; | |
5736 | struct ipr_cmd_pkt *cmd_pkt; | |
5737 | ||
5738 | res->in_erp = 1; | |
5739 | ||
5740 | ipr_reinit_ipr_cmnd_for_erp(ipr_cmd); | |
5741 | ||
5742 | if (!scsi_get_tag_type(scsi_cmd->device)) { | |
5743 | ipr_erp_request_sense(ipr_cmd); | |
5744 | return; | |
5745 | } | |
5746 | ||
5747 | cmd_pkt = &ipr_cmd->ioarcb.cmd_pkt; | |
5748 | cmd_pkt->request_type = IPR_RQTYPE_IOACMD; | |
5749 | cmd_pkt->cdb[0] = IPR_CANCEL_ALL_REQUESTS; | |
5750 | ||
5751 | ipr_do_req(ipr_cmd, ipr_erp_request_sense, ipr_timeout, | |
5752 | IPR_CANCEL_ALL_TIMEOUT); | |
5753 | } | |
5754 | ||
5755 | /** | |
5756 | * ipr_dump_ioasa - Dump contents of IOASA | |
5757 | * @ioa_cfg: ioa config struct | |
5758 | * @ipr_cmd: ipr command struct | |
fe964d0a | 5759 | * @res: resource entry struct |
1da177e4 LT |
5760 | * |
5761 | * This function is invoked by the interrupt handler when ops | |
5762 | * fail. It will log the IOASA if appropriate. Only called | |
5763 | * for GPDD ops. | |
5764 | * | |
5765 | * Return value: | |
5766 | * none | |
5767 | **/ | |
5768 | static void ipr_dump_ioasa(struct ipr_ioa_cfg *ioa_cfg, | |
fe964d0a | 5769 | struct ipr_cmnd *ipr_cmd, struct ipr_resource_entry *res) |
1da177e4 LT |
5770 | { |
5771 | int i; | |
5772 | u16 data_len; | |
b0692dd4 | 5773 | u32 ioasc, fd_ioasc; |
96d21f00 | 5774 | struct ipr_ioasa *ioasa = &ipr_cmd->s.ioasa; |
1da177e4 LT |
5775 | __be32 *ioasa_data = (__be32 *)ioasa; |
5776 | int error_index; | |
5777 | ||
96d21f00 WB |
5778 | ioasc = be32_to_cpu(ioasa->hdr.ioasc) & IPR_IOASC_IOASC_MASK; |
5779 | fd_ioasc = be32_to_cpu(ioasa->hdr.fd_ioasc) & IPR_IOASC_IOASC_MASK; | |
1da177e4 LT |
5780 | |
5781 | if (0 == ioasc) | |
5782 | return; | |
5783 | ||
5784 | if (ioa_cfg->log_level < IPR_DEFAULT_LOG_LEVEL) | |
5785 | return; | |
5786 | ||
b0692dd4 BK |
5787 | if (ioasc == IPR_IOASC_BUS_WAS_RESET && fd_ioasc) |
5788 | error_index = ipr_get_error(fd_ioasc); | |
5789 | else | |
5790 | error_index = ipr_get_error(ioasc); | |
1da177e4 LT |
5791 | |
5792 | if (ioa_cfg->log_level < IPR_MAX_LOG_LEVEL) { | |
5793 | /* Don't log an error if the IOA already logged one */ | |
96d21f00 | 5794 | if (ioasa->hdr.ilid != 0) |
1da177e4 LT |
5795 | return; |
5796 | ||
cc9bd5d4 BK |
5797 | if (!ipr_is_gscsi(res)) |
5798 | return; | |
5799 | ||
1da177e4 LT |
5800 | if (ipr_error_table[error_index].log_ioasa == 0) |
5801 | return; | |
5802 | } | |
5803 | ||
fe964d0a | 5804 | ipr_res_err(ioa_cfg, res, "%s\n", ipr_error_table[error_index].error); |
1da177e4 | 5805 | |
96d21f00 WB |
5806 | data_len = be16_to_cpu(ioasa->hdr.ret_stat_len); |
5807 | if (ioa_cfg->sis64 && sizeof(struct ipr_ioasa64) < data_len) | |
5808 | data_len = sizeof(struct ipr_ioasa64); | |
5809 | else if (!ioa_cfg->sis64 && sizeof(struct ipr_ioasa) < data_len) | |
1da177e4 | 5810 | data_len = sizeof(struct ipr_ioasa); |
1da177e4 LT |
5811 | |
5812 | ipr_err("IOASA Dump:\n"); | |
5813 | ||
5814 | for (i = 0; i < data_len / 4; i += 4) { | |
5815 | ipr_err("%08X: %08X %08X %08X %08X\n", i*4, | |
5816 | be32_to_cpu(ioasa_data[i]), | |
5817 | be32_to_cpu(ioasa_data[i+1]), | |
5818 | be32_to_cpu(ioasa_data[i+2]), | |
5819 | be32_to_cpu(ioasa_data[i+3])); | |
5820 | } | |
5821 | } | |
5822 | ||
5823 | /** | |
5824 | * ipr_gen_sense - Generate SCSI sense data from an IOASA | |
5825 | * @ioasa: IOASA | |
5826 | * @sense_buf: sense data buffer | |
5827 | * | |
5828 | * Return value: | |
5829 | * none | |
5830 | **/ | |
5831 | static void ipr_gen_sense(struct ipr_cmnd *ipr_cmd) | |
5832 | { | |
5833 | u32 failing_lba; | |
5834 | u8 *sense_buf = ipr_cmd->scsi_cmd->sense_buffer; | |
5835 | struct ipr_resource_entry *res = ipr_cmd->scsi_cmd->device->hostdata; | |
96d21f00 WB |
5836 | struct ipr_ioasa *ioasa = &ipr_cmd->s.ioasa; |
5837 | u32 ioasc = be32_to_cpu(ioasa->hdr.ioasc); | |
1da177e4 LT |
5838 | |
5839 | memset(sense_buf, 0, SCSI_SENSE_BUFFERSIZE); | |
5840 | ||
5841 | if (ioasc >= IPR_FIRST_DRIVER_IOASC) | |
5842 | return; | |
5843 | ||
5844 | ipr_cmd->scsi_cmd->result = SAM_STAT_CHECK_CONDITION; | |
5845 | ||
5846 | if (ipr_is_vset_device(res) && | |
5847 | ioasc == IPR_IOASC_MED_DO_NOT_REALLOC && | |
5848 | ioasa->u.vset.failing_lba_hi != 0) { | |
5849 | sense_buf[0] = 0x72; | |
5850 | sense_buf[1] = IPR_IOASC_SENSE_KEY(ioasc); | |
5851 | sense_buf[2] = IPR_IOASC_SENSE_CODE(ioasc); | |
5852 | sense_buf[3] = IPR_IOASC_SENSE_QUAL(ioasc); | |
5853 | ||
5854 | sense_buf[7] = 12; | |
5855 | sense_buf[8] = 0; | |
5856 | sense_buf[9] = 0x0A; | |
5857 | sense_buf[10] = 0x80; | |
5858 | ||
5859 | failing_lba = be32_to_cpu(ioasa->u.vset.failing_lba_hi); | |
5860 | ||
5861 | sense_buf[12] = (failing_lba & 0xff000000) >> 24; | |
5862 | sense_buf[13] = (failing_lba & 0x00ff0000) >> 16; | |
5863 | sense_buf[14] = (failing_lba & 0x0000ff00) >> 8; | |
5864 | sense_buf[15] = failing_lba & 0x000000ff; | |
5865 | ||
5866 | failing_lba = be32_to_cpu(ioasa->u.vset.failing_lba_lo); | |
5867 | ||
5868 | sense_buf[16] = (failing_lba & 0xff000000) >> 24; | |
5869 | sense_buf[17] = (failing_lba & 0x00ff0000) >> 16; | |
5870 | sense_buf[18] = (failing_lba & 0x0000ff00) >> 8; | |
5871 | sense_buf[19] = failing_lba & 0x000000ff; | |
5872 | } else { | |
5873 | sense_buf[0] = 0x70; | |
5874 | sense_buf[2] = IPR_IOASC_SENSE_KEY(ioasc); | |
5875 | sense_buf[12] = IPR_IOASC_SENSE_CODE(ioasc); | |
5876 | sense_buf[13] = IPR_IOASC_SENSE_QUAL(ioasc); | |
5877 | ||
5878 | /* Illegal request */ | |
5879 | if ((IPR_IOASC_SENSE_KEY(ioasc) == 0x05) && | |
96d21f00 | 5880 | (be32_to_cpu(ioasa->hdr.ioasc_specific) & IPR_FIELD_POINTER_VALID)) { |
1da177e4 LT |
5881 | sense_buf[7] = 10; /* additional length */ |
5882 | ||
5883 | /* IOARCB was in error */ | |
5884 | if (IPR_IOASC_SENSE_CODE(ioasc) == 0x24) | |
5885 | sense_buf[15] = 0xC0; | |
5886 | else /* Parameter data was invalid */ | |
5887 | sense_buf[15] = 0x80; | |
5888 | ||
5889 | sense_buf[16] = | |
5890 | ((IPR_FIELD_POINTER_MASK & | |
96d21f00 | 5891 | be32_to_cpu(ioasa->hdr.ioasc_specific)) >> 8) & 0xff; |
1da177e4 LT |
5892 | sense_buf[17] = |
5893 | (IPR_FIELD_POINTER_MASK & | |
96d21f00 | 5894 | be32_to_cpu(ioasa->hdr.ioasc_specific)) & 0xff; |
1da177e4 LT |
5895 | } else { |
5896 | if (ioasc == IPR_IOASC_MED_DO_NOT_REALLOC) { | |
5897 | if (ipr_is_vset_device(res)) | |
5898 | failing_lba = be32_to_cpu(ioasa->u.vset.failing_lba_lo); | |
5899 | else | |
5900 | failing_lba = be32_to_cpu(ioasa->u.dasd.failing_lba); | |
5901 | ||
5902 | sense_buf[0] |= 0x80; /* Or in the Valid bit */ | |
5903 | sense_buf[3] = (failing_lba & 0xff000000) >> 24; | |
5904 | sense_buf[4] = (failing_lba & 0x00ff0000) >> 16; | |
5905 | sense_buf[5] = (failing_lba & 0x0000ff00) >> 8; | |
5906 | sense_buf[6] = failing_lba & 0x000000ff; | |
5907 | } | |
5908 | ||
5909 | sense_buf[7] = 6; /* additional length */ | |
5910 | } | |
5911 | } | |
5912 | } | |
5913 | ||
ee0a90fa BK |
5914 | /** |
5915 | * ipr_get_autosense - Copy autosense data to sense buffer | |
5916 | * @ipr_cmd: ipr command struct | |
5917 | * | |
5918 | * This function copies the autosense buffer to the buffer | |
5919 | * in the scsi_cmd, if there is autosense available. | |
5920 | * | |
5921 | * Return value: | |
5922 | * 1 if autosense was available / 0 if not | |
5923 | **/ | |
5924 | static int ipr_get_autosense(struct ipr_cmnd *ipr_cmd) | |
5925 | { | |
96d21f00 WB |
5926 | struct ipr_ioasa *ioasa = &ipr_cmd->s.ioasa; |
5927 | struct ipr_ioasa64 *ioasa64 = &ipr_cmd->s.ioasa64; | |
ee0a90fa | 5928 | |
96d21f00 | 5929 | if ((be32_to_cpu(ioasa->hdr.ioasc_specific) & IPR_AUTOSENSE_VALID) == 0) |
ee0a90fa BK |
5930 | return 0; |
5931 | ||
96d21f00 WB |
5932 | if (ipr_cmd->ioa_cfg->sis64) |
5933 | memcpy(ipr_cmd->scsi_cmd->sense_buffer, ioasa64->auto_sense.data, | |
5934 | min_t(u16, be16_to_cpu(ioasa64->auto_sense.auto_sense_len), | |
5935 | SCSI_SENSE_BUFFERSIZE)); | |
5936 | else | |
5937 | memcpy(ipr_cmd->scsi_cmd->sense_buffer, ioasa->auto_sense.data, | |
5938 | min_t(u16, be16_to_cpu(ioasa->auto_sense.auto_sense_len), | |
5939 | SCSI_SENSE_BUFFERSIZE)); | |
ee0a90fa BK |
5940 | return 1; |
5941 | } | |
5942 | ||
1da177e4 LT |
5943 | /** |
5944 | * ipr_erp_start - Process an error response for a SCSI op | |
5945 | * @ioa_cfg: ioa config struct | |
5946 | * @ipr_cmd: ipr command struct | |
5947 | * | |
5948 | * This function determines whether or not to initiate ERP | |
5949 | * on the affected device. | |
5950 | * | |
5951 | * Return value: | |
5952 | * nothing | |
5953 | **/ | |
5954 | static void ipr_erp_start(struct ipr_ioa_cfg *ioa_cfg, | |
5955 | struct ipr_cmnd *ipr_cmd) | |
5956 | { | |
5957 | struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd; | |
5958 | struct ipr_resource_entry *res = scsi_cmd->device->hostdata; | |
96d21f00 | 5959 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
8a048994 | 5960 | u32 masked_ioasc = ioasc & IPR_IOASC_IOASC_MASK; |
1da177e4 LT |
5961 | |
5962 | if (!res) { | |
5963 | ipr_scsi_eh_done(ipr_cmd); | |
5964 | return; | |
5965 | } | |
5966 | ||
8a048994 | 5967 | if (!ipr_is_gscsi(res) && masked_ioasc != IPR_IOASC_HW_DEV_BUS_STATUS) |
1da177e4 LT |
5968 | ipr_gen_sense(ipr_cmd); |
5969 | ||
cc9bd5d4 BK |
5970 | ipr_dump_ioasa(ioa_cfg, ipr_cmd, res); |
5971 | ||
8a048994 | 5972 | switch (masked_ioasc) { |
1da177e4 | 5973 | case IPR_IOASC_ABORTED_CMD_TERM_BY_HOST: |
ee0a90fa BK |
5974 | if (ipr_is_naca_model(res)) |
5975 | scsi_cmd->result |= (DID_ABORT << 16); | |
5976 | else | |
5977 | scsi_cmd->result |= (DID_IMM_RETRY << 16); | |
1da177e4 LT |
5978 | break; |
5979 | case IPR_IOASC_IR_RESOURCE_HANDLE: | |
b0df54bb | 5980 | case IPR_IOASC_IR_NO_CMDS_TO_2ND_IOA: |
1da177e4 LT |
5981 | scsi_cmd->result |= (DID_NO_CONNECT << 16); |
5982 | break; | |
5983 | case IPR_IOASC_HW_SEL_TIMEOUT: | |
5984 | scsi_cmd->result |= (DID_NO_CONNECT << 16); | |
ee0a90fa BK |
5985 | if (!ipr_is_naca_model(res)) |
5986 | res->needs_sync_complete = 1; | |
1da177e4 LT |
5987 | break; |
5988 | case IPR_IOASC_SYNC_REQUIRED: | |
5989 | if (!res->in_erp) | |
5990 | res->needs_sync_complete = 1; | |
5991 | scsi_cmd->result |= (DID_IMM_RETRY << 16); | |
5992 | break; | |
5993 | case IPR_IOASC_MED_DO_NOT_REALLOC: /* prevent retries */ | |
b0df54bb | 5994 | case IPR_IOASA_IR_DUAL_IOA_DISABLED: |
1da177e4 LT |
5995 | scsi_cmd->result |= (DID_PASSTHROUGH << 16); |
5996 | break; | |
5997 | case IPR_IOASC_BUS_WAS_RESET: | |
5998 | case IPR_IOASC_BUS_WAS_RESET_BY_OTHER: | |
5999 | /* | |
6000 | * Report the bus reset and ask for a retry. The device | |
6001 | * will give CC/UA the next command. | |
6002 | */ | |
6003 | if (!res->resetting_device) | |
6004 | scsi_report_bus_reset(ioa_cfg->host, scsi_cmd->device->channel); | |
6005 | scsi_cmd->result |= (DID_ERROR << 16); | |
ee0a90fa BK |
6006 | if (!ipr_is_naca_model(res)) |
6007 | res->needs_sync_complete = 1; | |
1da177e4 LT |
6008 | break; |
6009 | case IPR_IOASC_HW_DEV_BUS_STATUS: | |
6010 | scsi_cmd->result |= IPR_IOASC_SENSE_STATUS(ioasc); | |
6011 | if (IPR_IOASC_SENSE_STATUS(ioasc) == SAM_STAT_CHECK_CONDITION) { | |
ee0a90fa BK |
6012 | if (!ipr_get_autosense(ipr_cmd)) { |
6013 | if (!ipr_is_naca_model(res)) { | |
6014 | ipr_erp_cancel_all(ipr_cmd); | |
6015 | return; | |
6016 | } | |
6017 | } | |
1da177e4 | 6018 | } |
ee0a90fa BK |
6019 | if (!ipr_is_naca_model(res)) |
6020 | res->needs_sync_complete = 1; | |
1da177e4 LT |
6021 | break; |
6022 | case IPR_IOASC_NR_INIT_CMD_REQUIRED: | |
6023 | break; | |
6024 | default: | |
5b7304fb BK |
6025 | if (IPR_IOASC_SENSE_KEY(ioasc) > RECOVERED_ERROR) |
6026 | scsi_cmd->result |= (DID_ERROR << 16); | |
ee0a90fa | 6027 | if (!ipr_is_vset_device(res) && !ipr_is_naca_model(res)) |
1da177e4 LT |
6028 | res->needs_sync_complete = 1; |
6029 | break; | |
6030 | } | |
6031 | ||
63015bc9 | 6032 | scsi_dma_unmap(ipr_cmd->scsi_cmd); |
05a6538a | 6033 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
1da177e4 LT |
6034 | scsi_cmd->scsi_done(scsi_cmd); |
6035 | } | |
6036 | ||
6037 | /** | |
6038 | * ipr_scsi_done - mid-layer done function | |
6039 | * @ipr_cmd: ipr command struct | |
6040 | * | |
6041 | * This function is invoked by the interrupt handler for | |
6042 | * ops generated by the SCSI mid-layer | |
6043 | * | |
6044 | * Return value: | |
6045 | * none | |
6046 | **/ | |
6047 | static void ipr_scsi_done(struct ipr_cmnd *ipr_cmd) | |
6048 | { | |
6049 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
6050 | struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd; | |
96d21f00 | 6051 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
05a6538a | 6052 | unsigned long hrrq_flags; |
1da177e4 | 6053 | |
96d21f00 | 6054 | scsi_set_resid(scsi_cmd, be32_to_cpu(ipr_cmd->s.ioasa.hdr.residual_data_len)); |
1da177e4 LT |
6055 | |
6056 | if (likely(IPR_IOASC_SENSE_KEY(ioasc) == 0)) { | |
172cd6e1 BK |
6057 | scsi_dma_unmap(scsi_cmd); |
6058 | ||
56d6aa33 | 6059 | spin_lock_irqsave(ipr_cmd->hrrq->lock, hrrq_flags); |
05a6538a | 6060 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
1da177e4 | 6061 | scsi_cmd->scsi_done(scsi_cmd); |
56d6aa33 | 6062 | spin_unlock_irqrestore(ipr_cmd->hrrq->lock, hrrq_flags); |
172cd6e1 | 6063 | } else { |
56d6aa33 | 6064 | spin_lock_irqsave(ipr_cmd->hrrq->lock, hrrq_flags); |
1da177e4 | 6065 | ipr_erp_start(ioa_cfg, ipr_cmd); |
56d6aa33 | 6066 | spin_unlock_irqrestore(ipr_cmd->hrrq->lock, hrrq_flags); |
172cd6e1 | 6067 | } |
1da177e4 LT |
6068 | } |
6069 | ||
1da177e4 LT |
6070 | /** |
6071 | * ipr_queuecommand - Queue a mid-layer request | |
00bfef2c | 6072 | * @shost: scsi host struct |
1da177e4 | 6073 | * @scsi_cmd: scsi command struct |
1da177e4 LT |
6074 | * |
6075 | * This function queues a request generated by the mid-layer. | |
6076 | * | |
6077 | * Return value: | |
6078 | * 0 on success | |
6079 | * SCSI_MLQUEUE_DEVICE_BUSY if device is busy | |
6080 | * SCSI_MLQUEUE_HOST_BUSY if host is busy | |
6081 | **/ | |
00bfef2c BK |
6082 | static int ipr_queuecommand(struct Scsi_Host *shost, |
6083 | struct scsi_cmnd *scsi_cmd) | |
1da177e4 LT |
6084 | { |
6085 | struct ipr_ioa_cfg *ioa_cfg; | |
6086 | struct ipr_resource_entry *res; | |
6087 | struct ipr_ioarcb *ioarcb; | |
6088 | struct ipr_cmnd *ipr_cmd; | |
56d6aa33 | 6089 | unsigned long hrrq_flags, lock_flags; |
d12f1576 | 6090 | int rc; |
05a6538a | 6091 | struct ipr_hrr_queue *hrrq; |
6092 | int hrrq_id; | |
1da177e4 | 6093 | |
00bfef2c BK |
6094 | ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
6095 | ||
1da177e4 | 6096 | scsi_cmd->result = (DID_OK << 16); |
00bfef2c | 6097 | res = scsi_cmd->device->hostdata; |
56d6aa33 | 6098 | |
6099 | if (ipr_is_gata(res) && res->sata_port) { | |
6100 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
6101 | rc = ata_sas_queuecmd(scsi_cmd, res->sata_port->ap); | |
6102 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
6103 | return rc; | |
6104 | } | |
6105 | ||
05a6538a | 6106 | hrrq_id = ipr_get_hrrq_index(ioa_cfg); |
6107 | hrrq = &ioa_cfg->hrrq[hrrq_id]; | |
1da177e4 | 6108 | |
56d6aa33 | 6109 | spin_lock_irqsave(hrrq->lock, hrrq_flags); |
1da177e4 LT |
6110 | /* |
6111 | * We are currently blocking all devices due to a host reset | |
6112 | * We have told the host to stop giving us new requests, but | |
6113 | * ERP ops don't count. FIXME | |
6114 | */ | |
bfae7820 | 6115 | if (unlikely(!hrrq->allow_cmds && !hrrq->ioa_is_dead && !hrrq->removing_ioa)) { |
56d6aa33 | 6116 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); |
1da177e4 | 6117 | return SCSI_MLQUEUE_HOST_BUSY; |
00bfef2c | 6118 | } |
1da177e4 LT |
6119 | |
6120 | /* | |
6121 | * FIXME - Create scsi_set_host_offline interface | |
6122 | * and the ioa_is_dead check can be removed | |
6123 | */ | |
bfae7820 | 6124 | if (unlikely(hrrq->ioa_is_dead || hrrq->removing_ioa || !res)) { |
56d6aa33 | 6125 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); |
00bfef2c | 6126 | goto err_nodev; |
1da177e4 LT |
6127 | } |
6128 | ||
05a6538a | 6129 | ipr_cmd = __ipr_get_free_ipr_cmnd(hrrq); |
6130 | if (ipr_cmd == NULL) { | |
56d6aa33 | 6131 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); |
05a6538a | 6132 | return SCSI_MLQUEUE_HOST_BUSY; |
6133 | } | |
56d6aa33 | 6134 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); |
35a39691 | 6135 | |
172cd6e1 | 6136 | ipr_init_ipr_cmnd(ipr_cmd, ipr_scsi_done); |
1da177e4 | 6137 | ioarcb = &ipr_cmd->ioarcb; |
1da177e4 LT |
6138 | |
6139 | memcpy(ioarcb->cmd_pkt.cdb, scsi_cmd->cmnd, scsi_cmd->cmd_len); | |
6140 | ipr_cmd->scsi_cmd = scsi_cmd; | |
172cd6e1 | 6141 | ipr_cmd->done = ipr_scsi_eh_done; |
1da177e4 LT |
6142 | |
6143 | if (ipr_is_gscsi(res) || ipr_is_vset_device(res)) { | |
6144 | if (scsi_cmd->underflow == 0) | |
6145 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_NO_ULEN_CHK; | |
6146 | ||
1da177e4 | 6147 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_NO_LINK_DESC; |
ab6c10b1 WB |
6148 | if (ipr_is_gscsi(res)) |
6149 | ioarcb->cmd_pkt.flags_lo |= IPR_FLAGS_LO_DELAY_AFTER_RST; | |
1da177e4 LT |
6150 | ioarcb->cmd_pkt.flags_lo |= IPR_FLAGS_LO_ALIGNED_BFR; |
6151 | ioarcb->cmd_pkt.flags_lo |= ipr_get_task_attributes(scsi_cmd); | |
6152 | } | |
6153 | ||
6154 | if (scsi_cmd->cmnd[0] >= 0xC0 && | |
05a6538a | 6155 | (!ipr_is_gscsi(res) || scsi_cmd->cmnd[0] == IPR_QUERY_RSRC_STATE)) { |
1da177e4 | 6156 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_IOACMD; |
05a6538a | 6157 | } |
1da177e4 | 6158 | |
d12f1576 DC |
6159 | if (ioa_cfg->sis64) |
6160 | rc = ipr_build_ioadl64(ioa_cfg, ipr_cmd); | |
6161 | else | |
6162 | rc = ipr_build_ioadl(ioa_cfg, ipr_cmd); | |
1da177e4 | 6163 | |
56d6aa33 | 6164 | spin_lock_irqsave(hrrq->lock, hrrq_flags); |
6165 | if (unlikely(rc || (!hrrq->allow_cmds && !hrrq->ioa_is_dead))) { | |
05a6538a | 6166 | list_add_tail(&ipr_cmd->queue, &hrrq->hrrq_free_q); |
56d6aa33 | 6167 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); |
00bfef2c BK |
6168 | if (!rc) |
6169 | scsi_dma_unmap(scsi_cmd); | |
a5fb407e | 6170 | return SCSI_MLQUEUE_HOST_BUSY; |
1da177e4 LT |
6171 | } |
6172 | ||
56d6aa33 | 6173 | if (unlikely(hrrq->ioa_is_dead)) { |
05a6538a | 6174 | list_add_tail(&ipr_cmd->queue, &hrrq->hrrq_free_q); |
56d6aa33 | 6175 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); |
00bfef2c BK |
6176 | scsi_dma_unmap(scsi_cmd); |
6177 | goto err_nodev; | |
6178 | } | |
6179 | ||
6180 | ioarcb->res_handle = res->res_handle; | |
6181 | if (res->needs_sync_complete) { | |
6182 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_SYNC_COMPLETE; | |
6183 | res->needs_sync_complete = 0; | |
6184 | } | |
05a6538a | 6185 | list_add_tail(&ipr_cmd->queue, &hrrq->hrrq_pending_q); |
00bfef2c | 6186 | ipr_trc_hook(ipr_cmd, IPR_TRACE_START, IPR_GET_RES_PHYS_LOC(res)); |
a5fb407e | 6187 | ipr_send_command(ipr_cmd); |
56d6aa33 | 6188 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); |
1da177e4 | 6189 | return 0; |
1da177e4 | 6190 | |
00bfef2c | 6191 | err_nodev: |
56d6aa33 | 6192 | spin_lock_irqsave(hrrq->lock, hrrq_flags); |
00bfef2c BK |
6193 | memset(scsi_cmd->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); |
6194 | scsi_cmd->result = (DID_NO_CONNECT << 16); | |
6195 | scsi_cmd->scsi_done(scsi_cmd); | |
56d6aa33 | 6196 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); |
00bfef2c BK |
6197 | return 0; |
6198 | } | |
f281233d | 6199 | |
35a39691 BK |
6200 | /** |
6201 | * ipr_ioctl - IOCTL handler | |
6202 | * @sdev: scsi device struct | |
6203 | * @cmd: IOCTL cmd | |
6204 | * @arg: IOCTL arg | |
6205 | * | |
6206 | * Return value: | |
6207 | * 0 on success / other on failure | |
6208 | **/ | |
bd705f2d | 6209 | static int ipr_ioctl(struct scsi_device *sdev, int cmd, void __user *arg) |
35a39691 BK |
6210 | { |
6211 | struct ipr_resource_entry *res; | |
6212 | ||
6213 | res = (struct ipr_resource_entry *)sdev->hostdata; | |
0ce3a7e5 BK |
6214 | if (res && ipr_is_gata(res)) { |
6215 | if (cmd == HDIO_GET_IDENTITY) | |
6216 | return -ENOTTY; | |
94be9a58 | 6217 | return ata_sas_scsi_ioctl(res->sata_port->ap, sdev, cmd, arg); |
0ce3a7e5 | 6218 | } |
35a39691 BK |
6219 | |
6220 | return -EINVAL; | |
6221 | } | |
6222 | ||
1da177e4 LT |
6223 | /** |
6224 | * ipr_info - Get information about the card/driver | |
6225 | * @scsi_host: scsi host struct | |
6226 | * | |
6227 | * Return value: | |
6228 | * pointer to buffer with description string | |
6229 | **/ | |
203fa3fe | 6230 | static const char *ipr_ioa_info(struct Scsi_Host *host) |
1da177e4 LT |
6231 | { |
6232 | static char buffer[512]; | |
6233 | struct ipr_ioa_cfg *ioa_cfg; | |
6234 | unsigned long lock_flags = 0; | |
6235 | ||
6236 | ioa_cfg = (struct ipr_ioa_cfg *) host->hostdata; | |
6237 | ||
6238 | spin_lock_irqsave(host->host_lock, lock_flags); | |
6239 | sprintf(buffer, "IBM %X Storage Adapter", ioa_cfg->type); | |
6240 | spin_unlock_irqrestore(host->host_lock, lock_flags); | |
6241 | ||
6242 | return buffer; | |
6243 | } | |
6244 | ||
6245 | static struct scsi_host_template driver_template = { | |
6246 | .module = THIS_MODULE, | |
6247 | .name = "IPR", | |
6248 | .info = ipr_ioa_info, | |
35a39691 | 6249 | .ioctl = ipr_ioctl, |
1da177e4 LT |
6250 | .queuecommand = ipr_queuecommand, |
6251 | .eh_abort_handler = ipr_eh_abort, | |
6252 | .eh_device_reset_handler = ipr_eh_dev_reset, | |
6253 | .eh_host_reset_handler = ipr_eh_host_reset, | |
6254 | .slave_alloc = ipr_slave_alloc, | |
6255 | .slave_configure = ipr_slave_configure, | |
6256 | .slave_destroy = ipr_slave_destroy, | |
35a39691 BK |
6257 | .target_alloc = ipr_target_alloc, |
6258 | .target_destroy = ipr_target_destroy, | |
1da177e4 LT |
6259 | .change_queue_depth = ipr_change_queue_depth, |
6260 | .change_queue_type = ipr_change_queue_type, | |
6261 | .bios_param = ipr_biosparam, | |
6262 | .can_queue = IPR_MAX_COMMANDS, | |
6263 | .this_id = -1, | |
6264 | .sg_tablesize = IPR_MAX_SGLIST, | |
6265 | .max_sectors = IPR_IOA_MAX_SECTORS, | |
6266 | .cmd_per_lun = IPR_MAX_CMD_PER_LUN, | |
6267 | .use_clustering = ENABLE_CLUSTERING, | |
6268 | .shost_attrs = ipr_ioa_attrs, | |
6269 | .sdev_attrs = ipr_dev_attrs, | |
6270 | .proc_name = IPR_NAME | |
6271 | }; | |
6272 | ||
35a39691 BK |
6273 | /** |
6274 | * ipr_ata_phy_reset - libata phy_reset handler | |
6275 | * @ap: ata port to reset | |
6276 | * | |
6277 | **/ | |
6278 | static void ipr_ata_phy_reset(struct ata_port *ap) | |
6279 | { | |
6280 | unsigned long flags; | |
6281 | struct ipr_sata_port *sata_port = ap->private_data; | |
6282 | struct ipr_resource_entry *res = sata_port->res; | |
6283 | struct ipr_ioa_cfg *ioa_cfg = sata_port->ioa_cfg; | |
6284 | int rc; | |
6285 | ||
6286 | ENTER; | |
6287 | spin_lock_irqsave(ioa_cfg->host->host_lock, flags); | |
203fa3fe | 6288 | while (ioa_cfg->in_reset_reload) { |
35a39691 BK |
6289 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); |
6290 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
6291 | spin_lock_irqsave(ioa_cfg->host->host_lock, flags); | |
6292 | } | |
6293 | ||
56d6aa33 | 6294 | if (!ioa_cfg->hrrq[IPR_INIT_HRRQ].allow_cmds) |
35a39691 BK |
6295 | goto out_unlock; |
6296 | ||
6297 | rc = ipr_device_reset(ioa_cfg, res); | |
6298 | ||
6299 | if (rc) { | |
3e4ec344 | 6300 | ap->link.device[0].class = ATA_DEV_NONE; |
35a39691 BK |
6301 | goto out_unlock; |
6302 | } | |
6303 | ||
3e7ebdfa WB |
6304 | ap->link.device[0].class = res->ata_class; |
6305 | if (ap->link.device[0].class == ATA_DEV_UNKNOWN) | |
3e4ec344 | 6306 | ap->link.device[0].class = ATA_DEV_NONE; |
35a39691 BK |
6307 | |
6308 | out_unlock: | |
6309 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); | |
6310 | LEAVE; | |
6311 | } | |
6312 | ||
6313 | /** | |
6314 | * ipr_ata_post_internal - Cleanup after an internal command | |
6315 | * @qc: ATA queued command | |
6316 | * | |
6317 | * Return value: | |
6318 | * none | |
6319 | **/ | |
6320 | static void ipr_ata_post_internal(struct ata_queued_cmd *qc) | |
6321 | { | |
6322 | struct ipr_sata_port *sata_port = qc->ap->private_data; | |
6323 | struct ipr_ioa_cfg *ioa_cfg = sata_port->ioa_cfg; | |
6324 | struct ipr_cmnd *ipr_cmd; | |
05a6538a | 6325 | struct ipr_hrr_queue *hrrq; |
35a39691 BK |
6326 | unsigned long flags; |
6327 | ||
6328 | spin_lock_irqsave(ioa_cfg->host->host_lock, flags); | |
203fa3fe | 6329 | while (ioa_cfg->in_reset_reload) { |
73d98ff0 BK |
6330 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); |
6331 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
6332 | spin_lock_irqsave(ioa_cfg->host->host_lock, flags); | |
6333 | } | |
6334 | ||
05a6538a | 6335 | for_each_hrrq(hrrq, ioa_cfg) { |
56d6aa33 | 6336 | spin_lock(&hrrq->_lock); |
05a6538a | 6337 | list_for_each_entry(ipr_cmd, &hrrq->hrrq_pending_q, queue) { |
6338 | if (ipr_cmd->qc == qc) { | |
6339 | ipr_device_reset(ioa_cfg, sata_port->res); | |
6340 | break; | |
6341 | } | |
35a39691 | 6342 | } |
56d6aa33 | 6343 | spin_unlock(&hrrq->_lock); |
35a39691 BK |
6344 | } |
6345 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); | |
6346 | } | |
6347 | ||
35a39691 BK |
6348 | /** |
6349 | * ipr_copy_sata_tf - Copy a SATA taskfile to an IOA data structure | |
6350 | * @regs: destination | |
6351 | * @tf: source ATA taskfile | |
6352 | * | |
6353 | * Return value: | |
6354 | * none | |
6355 | **/ | |
6356 | static void ipr_copy_sata_tf(struct ipr_ioarcb_ata_regs *regs, | |
6357 | struct ata_taskfile *tf) | |
6358 | { | |
6359 | regs->feature = tf->feature; | |
6360 | regs->nsect = tf->nsect; | |
6361 | regs->lbal = tf->lbal; | |
6362 | regs->lbam = tf->lbam; | |
6363 | regs->lbah = tf->lbah; | |
6364 | regs->device = tf->device; | |
6365 | regs->command = tf->command; | |
6366 | regs->hob_feature = tf->hob_feature; | |
6367 | regs->hob_nsect = tf->hob_nsect; | |
6368 | regs->hob_lbal = tf->hob_lbal; | |
6369 | regs->hob_lbam = tf->hob_lbam; | |
6370 | regs->hob_lbah = tf->hob_lbah; | |
6371 | regs->ctl = tf->ctl; | |
6372 | } | |
6373 | ||
6374 | /** | |
6375 | * ipr_sata_done - done function for SATA commands | |
6376 | * @ipr_cmd: ipr command struct | |
6377 | * | |
6378 | * This function is invoked by the interrupt handler for | |
6379 | * ops generated by the SCSI mid-layer to SATA devices | |
6380 | * | |
6381 | * Return value: | |
6382 | * none | |
6383 | **/ | |
6384 | static void ipr_sata_done(struct ipr_cmnd *ipr_cmd) | |
6385 | { | |
6386 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
6387 | struct ata_queued_cmd *qc = ipr_cmd->qc; | |
6388 | struct ipr_sata_port *sata_port = qc->ap->private_data; | |
6389 | struct ipr_resource_entry *res = sata_port->res; | |
96d21f00 | 6390 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
35a39691 | 6391 | |
56d6aa33 | 6392 | spin_lock(&ipr_cmd->hrrq->_lock); |
96d21f00 WB |
6393 | if (ipr_cmd->ioa_cfg->sis64) |
6394 | memcpy(&sata_port->ioasa, &ipr_cmd->s.ioasa64.u.gata, | |
6395 | sizeof(struct ipr_ioasa_gata)); | |
6396 | else | |
6397 | memcpy(&sata_port->ioasa, &ipr_cmd->s.ioasa.u.gata, | |
6398 | sizeof(struct ipr_ioasa_gata)); | |
35a39691 BK |
6399 | ipr_dump_ioasa(ioa_cfg, ipr_cmd, res); |
6400 | ||
96d21f00 | 6401 | if (be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc_specific) & IPR_ATA_DEVICE_WAS_RESET) |
3e7ebdfa | 6402 | scsi_report_device_reset(ioa_cfg->host, res->bus, res->target); |
35a39691 BK |
6403 | |
6404 | if (IPR_IOASC_SENSE_KEY(ioasc) > RECOVERED_ERROR) | |
96d21f00 | 6405 | qc->err_mask |= __ac_err_mask(sata_port->ioasa.status); |
35a39691 | 6406 | else |
96d21f00 | 6407 | qc->err_mask |= ac_err_mask(sata_port->ioasa.status); |
05a6538a | 6408 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
56d6aa33 | 6409 | spin_unlock(&ipr_cmd->hrrq->_lock); |
35a39691 BK |
6410 | ata_qc_complete(qc); |
6411 | } | |
6412 | ||
a32c055f WB |
6413 | /** |
6414 | * ipr_build_ata_ioadl64 - Build an ATA scatter/gather list | |
6415 | * @ipr_cmd: ipr command struct | |
6416 | * @qc: ATA queued command | |
6417 | * | |
6418 | **/ | |
6419 | static void ipr_build_ata_ioadl64(struct ipr_cmnd *ipr_cmd, | |
6420 | struct ata_queued_cmd *qc) | |
6421 | { | |
6422 | u32 ioadl_flags = 0; | |
6423 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
6424 | struct ipr_ioadl64_desc *ioadl64 = ipr_cmd->i.ioadl64; | |
6425 | struct ipr_ioadl64_desc *last_ioadl64 = NULL; | |
6426 | int len = qc->nbytes; | |
6427 | struct scatterlist *sg; | |
6428 | unsigned int si; | |
6429 | dma_addr_t dma_addr = ipr_cmd->dma_addr; | |
6430 | ||
6431 | if (len == 0) | |
6432 | return; | |
6433 | ||
6434 | if (qc->dma_dir == DMA_TO_DEVICE) { | |
6435 | ioadl_flags = IPR_IOADL_FLAGS_WRITE; | |
6436 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ; | |
6437 | } else if (qc->dma_dir == DMA_FROM_DEVICE) | |
6438 | ioadl_flags = IPR_IOADL_FLAGS_READ; | |
6439 | ||
6440 | ioarcb->data_transfer_length = cpu_to_be32(len); | |
6441 | ioarcb->ioadl_len = | |
6442 | cpu_to_be32(sizeof(struct ipr_ioadl64_desc) * ipr_cmd->dma_use_sg); | |
6443 | ioarcb->u.sis64_addr_data.data_ioadl_addr = | |
6444 | cpu_to_be64(dma_addr + offsetof(struct ipr_cmnd, i.ata_ioadl)); | |
6445 | ||
6446 | for_each_sg(qc->sg, sg, qc->n_elem, si) { | |
6447 | ioadl64->flags = cpu_to_be32(ioadl_flags); | |
6448 | ioadl64->data_len = cpu_to_be32(sg_dma_len(sg)); | |
6449 | ioadl64->address = cpu_to_be64(sg_dma_address(sg)); | |
6450 | ||
6451 | last_ioadl64 = ioadl64; | |
6452 | ioadl64++; | |
6453 | } | |
6454 | ||
6455 | if (likely(last_ioadl64)) | |
6456 | last_ioadl64->flags |= cpu_to_be32(IPR_IOADL_FLAGS_LAST); | |
6457 | } | |
6458 | ||
35a39691 BK |
6459 | /** |
6460 | * ipr_build_ata_ioadl - Build an ATA scatter/gather list | |
6461 | * @ipr_cmd: ipr command struct | |
6462 | * @qc: ATA queued command | |
6463 | * | |
6464 | **/ | |
6465 | static void ipr_build_ata_ioadl(struct ipr_cmnd *ipr_cmd, | |
6466 | struct ata_queued_cmd *qc) | |
6467 | { | |
6468 | u32 ioadl_flags = 0; | |
6469 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
a32c055f | 6470 | struct ipr_ioadl_desc *ioadl = ipr_cmd->i.ioadl; |
3be6cbd7 | 6471 | struct ipr_ioadl_desc *last_ioadl = NULL; |
dde20207 | 6472 | int len = qc->nbytes; |
35a39691 | 6473 | struct scatterlist *sg; |
ff2aeb1e | 6474 | unsigned int si; |
35a39691 BK |
6475 | |
6476 | if (len == 0) | |
6477 | return; | |
6478 | ||
6479 | if (qc->dma_dir == DMA_TO_DEVICE) { | |
6480 | ioadl_flags = IPR_IOADL_FLAGS_WRITE; | |
6481 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ; | |
a32c055f WB |
6482 | ioarcb->data_transfer_length = cpu_to_be32(len); |
6483 | ioarcb->ioadl_len = | |
35a39691 BK |
6484 | cpu_to_be32(sizeof(struct ipr_ioadl_desc) * ipr_cmd->dma_use_sg); |
6485 | } else if (qc->dma_dir == DMA_FROM_DEVICE) { | |
6486 | ioadl_flags = IPR_IOADL_FLAGS_READ; | |
6487 | ioarcb->read_data_transfer_length = cpu_to_be32(len); | |
6488 | ioarcb->read_ioadl_len = | |
6489 | cpu_to_be32(sizeof(struct ipr_ioadl_desc) * ipr_cmd->dma_use_sg); | |
6490 | } | |
6491 | ||
ff2aeb1e | 6492 | for_each_sg(qc->sg, sg, qc->n_elem, si) { |
35a39691 BK |
6493 | ioadl->flags_and_data_len = cpu_to_be32(ioadl_flags | sg_dma_len(sg)); |
6494 | ioadl->address = cpu_to_be32(sg_dma_address(sg)); | |
3be6cbd7 JG |
6495 | |
6496 | last_ioadl = ioadl; | |
6497 | ioadl++; | |
35a39691 | 6498 | } |
3be6cbd7 JG |
6499 | |
6500 | if (likely(last_ioadl)) | |
6501 | last_ioadl->flags_and_data_len |= cpu_to_be32(IPR_IOADL_FLAGS_LAST); | |
35a39691 BK |
6502 | } |
6503 | ||
56d6aa33 | 6504 | /** |
6505 | * ipr_qc_defer - Get a free ipr_cmd | |
6506 | * @qc: queued command | |
6507 | * | |
6508 | * Return value: | |
6509 | * 0 if success | |
6510 | **/ | |
6511 | static int ipr_qc_defer(struct ata_queued_cmd *qc) | |
6512 | { | |
6513 | struct ata_port *ap = qc->ap; | |
6514 | struct ipr_sata_port *sata_port = ap->private_data; | |
6515 | struct ipr_ioa_cfg *ioa_cfg = sata_port->ioa_cfg; | |
6516 | struct ipr_cmnd *ipr_cmd; | |
6517 | struct ipr_hrr_queue *hrrq; | |
6518 | int hrrq_id; | |
6519 | ||
6520 | hrrq_id = ipr_get_hrrq_index(ioa_cfg); | |
6521 | hrrq = &ioa_cfg->hrrq[hrrq_id]; | |
6522 | ||
6523 | qc->lldd_task = NULL; | |
6524 | spin_lock(&hrrq->_lock); | |
6525 | if (unlikely(hrrq->ioa_is_dead)) { | |
6526 | spin_unlock(&hrrq->_lock); | |
6527 | return 0; | |
6528 | } | |
6529 | ||
6530 | if (unlikely(!hrrq->allow_cmds)) { | |
6531 | spin_unlock(&hrrq->_lock); | |
6532 | return ATA_DEFER_LINK; | |
6533 | } | |
6534 | ||
6535 | ipr_cmd = __ipr_get_free_ipr_cmnd(hrrq); | |
6536 | if (ipr_cmd == NULL) { | |
6537 | spin_unlock(&hrrq->_lock); | |
6538 | return ATA_DEFER_LINK; | |
6539 | } | |
6540 | ||
6541 | qc->lldd_task = ipr_cmd; | |
6542 | spin_unlock(&hrrq->_lock); | |
6543 | return 0; | |
6544 | } | |
6545 | ||
35a39691 BK |
6546 | /** |
6547 | * ipr_qc_issue - Issue a SATA qc to a device | |
6548 | * @qc: queued command | |
6549 | * | |
6550 | * Return value: | |
6551 | * 0 if success | |
6552 | **/ | |
6553 | static unsigned int ipr_qc_issue(struct ata_queued_cmd *qc) | |
6554 | { | |
6555 | struct ata_port *ap = qc->ap; | |
6556 | struct ipr_sata_port *sata_port = ap->private_data; | |
6557 | struct ipr_resource_entry *res = sata_port->res; | |
6558 | struct ipr_ioa_cfg *ioa_cfg = sata_port->ioa_cfg; | |
6559 | struct ipr_cmnd *ipr_cmd; | |
6560 | struct ipr_ioarcb *ioarcb; | |
6561 | struct ipr_ioarcb_ata_regs *regs; | |
6562 | ||
56d6aa33 | 6563 | if (qc->lldd_task == NULL) |
6564 | ipr_qc_defer(qc); | |
6565 | ||
6566 | ipr_cmd = qc->lldd_task; | |
6567 | if (ipr_cmd == NULL) | |
0feeed82 | 6568 | return AC_ERR_SYSTEM; |
35a39691 | 6569 | |
56d6aa33 | 6570 | qc->lldd_task = NULL; |
6571 | spin_lock(&ipr_cmd->hrrq->_lock); | |
6572 | if (unlikely(!ipr_cmd->hrrq->allow_cmds || | |
6573 | ipr_cmd->hrrq->ioa_is_dead)) { | |
6574 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); | |
6575 | spin_unlock(&ipr_cmd->hrrq->_lock); | |
6576 | return AC_ERR_SYSTEM; | |
6577 | } | |
6578 | ||
05a6538a | 6579 | ipr_init_ipr_cmnd(ipr_cmd, ipr_lock_and_done); |
35a39691 | 6580 | ioarcb = &ipr_cmd->ioarcb; |
35a39691 | 6581 | |
a32c055f WB |
6582 | if (ioa_cfg->sis64) { |
6583 | regs = &ipr_cmd->i.ata_ioadl.regs; | |
6584 | ioarcb->add_cmd_parms_offset = cpu_to_be16(sizeof(*ioarcb)); | |
6585 | } else | |
6586 | regs = &ioarcb->u.add_data.u.regs; | |
6587 | ||
6588 | memset(regs, 0, sizeof(*regs)); | |
6589 | ioarcb->add_cmd_parms_len = cpu_to_be16(sizeof(*regs)); | |
35a39691 | 6590 | |
56d6aa33 | 6591 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_pending_q); |
35a39691 BK |
6592 | ipr_cmd->qc = qc; |
6593 | ipr_cmd->done = ipr_sata_done; | |
3e7ebdfa | 6594 | ipr_cmd->ioarcb.res_handle = res->res_handle; |
35a39691 BK |
6595 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_ATA_PASSTHRU; |
6596 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_NO_LINK_DESC; | |
6597 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_NO_ULEN_CHK; | |
dde20207 | 6598 | ipr_cmd->dma_use_sg = qc->n_elem; |
35a39691 | 6599 | |
a32c055f WB |
6600 | if (ioa_cfg->sis64) |
6601 | ipr_build_ata_ioadl64(ipr_cmd, qc); | |
6602 | else | |
6603 | ipr_build_ata_ioadl(ipr_cmd, qc); | |
6604 | ||
35a39691 BK |
6605 | regs->flags |= IPR_ATA_FLAG_STATUS_ON_GOOD_COMPLETION; |
6606 | ipr_copy_sata_tf(regs, &qc->tf); | |
6607 | memcpy(ioarcb->cmd_pkt.cdb, qc->cdb, IPR_MAX_CDB_LEN); | |
3e7ebdfa | 6608 | ipr_trc_hook(ipr_cmd, IPR_TRACE_START, IPR_GET_RES_PHYS_LOC(res)); |
35a39691 BK |
6609 | |
6610 | switch (qc->tf.protocol) { | |
6611 | case ATA_PROT_NODATA: | |
6612 | case ATA_PROT_PIO: | |
6613 | break; | |
6614 | ||
6615 | case ATA_PROT_DMA: | |
6616 | regs->flags |= IPR_ATA_FLAG_XFER_TYPE_DMA; | |
6617 | break; | |
6618 | ||
0dc36888 TH |
6619 | case ATAPI_PROT_PIO: |
6620 | case ATAPI_PROT_NODATA: | |
35a39691 BK |
6621 | regs->flags |= IPR_ATA_FLAG_PACKET_CMD; |
6622 | break; | |
6623 | ||
0dc36888 | 6624 | case ATAPI_PROT_DMA: |
35a39691 BK |
6625 | regs->flags |= IPR_ATA_FLAG_PACKET_CMD; |
6626 | regs->flags |= IPR_ATA_FLAG_XFER_TYPE_DMA; | |
6627 | break; | |
6628 | ||
6629 | default: | |
6630 | WARN_ON(1); | |
56d6aa33 | 6631 | spin_unlock(&ipr_cmd->hrrq->_lock); |
0feeed82 | 6632 | return AC_ERR_INVALID; |
35a39691 BK |
6633 | } |
6634 | ||
a32c055f | 6635 | ipr_send_command(ipr_cmd); |
56d6aa33 | 6636 | spin_unlock(&ipr_cmd->hrrq->_lock); |
a32c055f | 6637 | |
35a39691 BK |
6638 | return 0; |
6639 | } | |
6640 | ||
4c9bf4e7 TH |
6641 | /** |
6642 | * ipr_qc_fill_rtf - Read result TF | |
6643 | * @qc: ATA queued command | |
6644 | * | |
6645 | * Return value: | |
6646 | * true | |
6647 | **/ | |
6648 | static bool ipr_qc_fill_rtf(struct ata_queued_cmd *qc) | |
6649 | { | |
6650 | struct ipr_sata_port *sata_port = qc->ap->private_data; | |
6651 | struct ipr_ioasa_gata *g = &sata_port->ioasa; | |
6652 | struct ata_taskfile *tf = &qc->result_tf; | |
6653 | ||
6654 | tf->feature = g->error; | |
6655 | tf->nsect = g->nsect; | |
6656 | tf->lbal = g->lbal; | |
6657 | tf->lbam = g->lbam; | |
6658 | tf->lbah = g->lbah; | |
6659 | tf->device = g->device; | |
6660 | tf->command = g->status; | |
6661 | tf->hob_nsect = g->hob_nsect; | |
6662 | tf->hob_lbal = g->hob_lbal; | |
6663 | tf->hob_lbam = g->hob_lbam; | |
6664 | tf->hob_lbah = g->hob_lbah; | |
6665 | tf->ctl = g->alt_status; | |
6666 | ||
6667 | return true; | |
6668 | } | |
6669 | ||
35a39691 | 6670 | static struct ata_port_operations ipr_sata_ops = { |
35a39691 | 6671 | .phy_reset = ipr_ata_phy_reset, |
a1efdaba | 6672 | .hardreset = ipr_sata_reset, |
35a39691 | 6673 | .post_internal_cmd = ipr_ata_post_internal, |
35a39691 | 6674 | .qc_prep = ata_noop_qc_prep, |
56d6aa33 | 6675 | .qc_defer = ipr_qc_defer, |
35a39691 | 6676 | .qc_issue = ipr_qc_issue, |
4c9bf4e7 | 6677 | .qc_fill_rtf = ipr_qc_fill_rtf, |
35a39691 BK |
6678 | .port_start = ata_sas_port_start, |
6679 | .port_stop = ata_sas_port_stop | |
6680 | }; | |
6681 | ||
6682 | static struct ata_port_info sata_port_info = { | |
9cbe056f | 6683 | .flags = ATA_FLAG_SATA | ATA_FLAG_PIO_DMA, |
0f2e0330 SS |
6684 | .pio_mask = ATA_PIO4_ONLY, |
6685 | .mwdma_mask = ATA_MWDMA2, | |
6686 | .udma_mask = ATA_UDMA6, | |
35a39691 BK |
6687 | .port_ops = &ipr_sata_ops |
6688 | }; | |
6689 | ||
1da177e4 LT |
6690 | #ifdef CONFIG_PPC_PSERIES |
6691 | static const u16 ipr_blocked_processors[] = { | |
d3dbeef6 ME |
6692 | PVR_NORTHSTAR, |
6693 | PVR_PULSAR, | |
6694 | PVR_POWER4, | |
6695 | PVR_ICESTAR, | |
6696 | PVR_SSTAR, | |
6697 | PVR_POWER4p, | |
6698 | PVR_630, | |
6699 | PVR_630p | |
1da177e4 LT |
6700 | }; |
6701 | ||
6702 | /** | |
6703 | * ipr_invalid_adapter - Determine if this adapter is supported on this hardware | |
6704 | * @ioa_cfg: ioa cfg struct | |
6705 | * | |
6706 | * Adapters that use Gemstone revision < 3.1 do not work reliably on | |
6707 | * certain pSeries hardware. This function determines if the given | |
6708 | * adapter is in one of these confgurations or not. | |
6709 | * | |
6710 | * Return value: | |
6711 | * 1 if adapter is not supported / 0 if adapter is supported | |
6712 | **/ | |
6713 | static int ipr_invalid_adapter(struct ipr_ioa_cfg *ioa_cfg) | |
6714 | { | |
1da177e4 LT |
6715 | int i; |
6716 | ||
44c10138 | 6717 | if ((ioa_cfg->type == 0x5702) && (ioa_cfg->pdev->revision < 4)) { |
203fa3fe | 6718 | for (i = 0; i < ARRAY_SIZE(ipr_blocked_processors); i++) { |
d3dbeef6 | 6719 | if (pvr_version_is(ipr_blocked_processors[i])) |
44c10138 | 6720 | return 1; |
1da177e4 LT |
6721 | } |
6722 | } | |
6723 | return 0; | |
6724 | } | |
6725 | #else | |
6726 | #define ipr_invalid_adapter(ioa_cfg) 0 | |
6727 | #endif | |
6728 | ||
6729 | /** | |
6730 | * ipr_ioa_bringdown_done - IOA bring down completion. | |
6731 | * @ipr_cmd: ipr command struct | |
6732 | * | |
6733 | * This function processes the completion of an adapter bring down. | |
6734 | * It wakes any reset sleepers. | |
6735 | * | |
6736 | * Return value: | |
6737 | * IPR_RC_JOB_RETURN | |
6738 | **/ | |
6739 | static int ipr_ioa_bringdown_done(struct ipr_cmnd *ipr_cmd) | |
6740 | { | |
6741 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
6742 | ||
6743 | ENTER; | |
bfae7820 BK |
6744 | if (!ioa_cfg->hrrq[IPR_INIT_HRRQ].removing_ioa) { |
6745 | ipr_trace; | |
6746 | spin_unlock_irq(ioa_cfg->host->host_lock); | |
6747 | scsi_unblock_requests(ioa_cfg->host); | |
6748 | spin_lock_irq(ioa_cfg->host->host_lock); | |
6749 | } | |
6750 | ||
1da177e4 LT |
6751 | ioa_cfg->in_reset_reload = 0; |
6752 | ioa_cfg->reset_retries = 0; | |
05a6538a | 6753 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
1da177e4 | 6754 | wake_up_all(&ioa_cfg->reset_wait_q); |
1da177e4 LT |
6755 | LEAVE; |
6756 | ||
6757 | return IPR_RC_JOB_RETURN; | |
6758 | } | |
6759 | ||
6760 | /** | |
6761 | * ipr_ioa_reset_done - IOA reset completion. | |
6762 | * @ipr_cmd: ipr command struct | |
6763 | * | |
6764 | * This function processes the completion of an adapter reset. | |
6765 | * It schedules any necessary mid-layer add/removes and | |
6766 | * wakes any reset sleepers. | |
6767 | * | |
6768 | * Return value: | |
6769 | * IPR_RC_JOB_RETURN | |
6770 | **/ | |
6771 | static int ipr_ioa_reset_done(struct ipr_cmnd *ipr_cmd) | |
6772 | { | |
6773 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
6774 | struct ipr_resource_entry *res; | |
6775 | struct ipr_hostrcb *hostrcb, *temp; | |
56d6aa33 | 6776 | int i = 0, j; |
1da177e4 LT |
6777 | |
6778 | ENTER; | |
6779 | ioa_cfg->in_reset_reload = 0; | |
56d6aa33 | 6780 | for (j = 0; j < ioa_cfg->hrrq_num; j++) { |
6781 | spin_lock(&ioa_cfg->hrrq[j]._lock); | |
6782 | ioa_cfg->hrrq[j].allow_cmds = 1; | |
6783 | spin_unlock(&ioa_cfg->hrrq[j]._lock); | |
6784 | } | |
6785 | wmb(); | |
1da177e4 | 6786 | ioa_cfg->reset_cmd = NULL; |
3d1d0da6 | 6787 | ioa_cfg->doorbell |= IPR_RUNTIME_RESET; |
1da177e4 LT |
6788 | |
6789 | list_for_each_entry(res, &ioa_cfg->used_res_q, queue) { | |
6790 | if (ioa_cfg->allow_ml_add_del && (res->add_to_ml || res->del_from_ml)) { | |
6791 | ipr_trace; | |
6792 | break; | |
6793 | } | |
6794 | } | |
6795 | schedule_work(&ioa_cfg->work_q); | |
6796 | ||
6797 | list_for_each_entry_safe(hostrcb, temp, &ioa_cfg->hostrcb_free_q, queue) { | |
6798 | list_del(&hostrcb->queue); | |
6799 | if (i++ < IPR_NUM_LOG_HCAMS) | |
6800 | ipr_send_hcam(ioa_cfg, IPR_HCAM_CDB_OP_CODE_LOG_DATA, hostrcb); | |
6801 | else | |
6802 | ipr_send_hcam(ioa_cfg, IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE, hostrcb); | |
6803 | } | |
6804 | ||
6bb04170 | 6805 | scsi_report_bus_reset(ioa_cfg->host, IPR_VSET_BUS); |
1da177e4 LT |
6806 | dev_info(&ioa_cfg->pdev->dev, "IOA initialized.\n"); |
6807 | ||
6808 | ioa_cfg->reset_retries = 0; | |
05a6538a | 6809 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
1da177e4 LT |
6810 | wake_up_all(&ioa_cfg->reset_wait_q); |
6811 | ||
30237853 | 6812 | spin_unlock(ioa_cfg->host->host_lock); |
1da177e4 | 6813 | scsi_unblock_requests(ioa_cfg->host); |
30237853 | 6814 | spin_lock(ioa_cfg->host->host_lock); |
1da177e4 | 6815 | |
56d6aa33 | 6816 | if (!ioa_cfg->hrrq[IPR_INIT_HRRQ].allow_cmds) |
1da177e4 LT |
6817 | scsi_block_requests(ioa_cfg->host); |
6818 | ||
6819 | LEAVE; | |
6820 | return IPR_RC_JOB_RETURN; | |
6821 | } | |
6822 | ||
6823 | /** | |
6824 | * ipr_set_sup_dev_dflt - Initialize a Set Supported Device buffer | |
6825 | * @supported_dev: supported device struct | |
6826 | * @vpids: vendor product id struct | |
6827 | * | |
6828 | * Return value: | |
6829 | * none | |
6830 | **/ | |
6831 | static void ipr_set_sup_dev_dflt(struct ipr_supported_device *supported_dev, | |
6832 | struct ipr_std_inq_vpids *vpids) | |
6833 | { | |
6834 | memset(supported_dev, 0, sizeof(struct ipr_supported_device)); | |
6835 | memcpy(&supported_dev->vpids, vpids, sizeof(struct ipr_std_inq_vpids)); | |
6836 | supported_dev->num_records = 1; | |
6837 | supported_dev->data_length = | |
6838 | cpu_to_be16(sizeof(struct ipr_supported_device)); | |
6839 | supported_dev->reserved = 0; | |
6840 | } | |
6841 | ||
6842 | /** | |
6843 | * ipr_set_supported_devs - Send Set Supported Devices for a device | |
6844 | * @ipr_cmd: ipr command struct | |
6845 | * | |
a32c055f | 6846 | * This function sends a Set Supported Devices to the adapter |
1da177e4 LT |
6847 | * |
6848 | * Return value: | |
6849 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
6850 | **/ | |
6851 | static int ipr_set_supported_devs(struct ipr_cmnd *ipr_cmd) | |
6852 | { | |
6853 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
6854 | struct ipr_supported_device *supp_dev = &ioa_cfg->vpd_cbs->supp_dev; | |
1da177e4 LT |
6855 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; |
6856 | struct ipr_resource_entry *res = ipr_cmd->u.res; | |
6857 | ||
6858 | ipr_cmd->job_step = ipr_ioa_reset_done; | |
6859 | ||
6860 | list_for_each_entry_continue(res, &ioa_cfg->used_res_q, queue) { | |
e4fbf44e | 6861 | if (!ipr_is_scsi_disk(res)) |
1da177e4 LT |
6862 | continue; |
6863 | ||
6864 | ipr_cmd->u.res = res; | |
3e7ebdfa | 6865 | ipr_set_sup_dev_dflt(supp_dev, &res->std_inq_data.vpids); |
1da177e4 LT |
6866 | |
6867 | ioarcb->res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE); | |
6868 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ; | |
6869 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_IOACMD; | |
6870 | ||
6871 | ioarcb->cmd_pkt.cdb[0] = IPR_SET_SUPPORTED_DEVICES; | |
3e7ebdfa | 6872 | ioarcb->cmd_pkt.cdb[1] = IPR_SET_ALL_SUPPORTED_DEVICES; |
1da177e4 LT |
6873 | ioarcb->cmd_pkt.cdb[7] = (sizeof(struct ipr_supported_device) >> 8) & 0xff; |
6874 | ioarcb->cmd_pkt.cdb[8] = sizeof(struct ipr_supported_device) & 0xff; | |
6875 | ||
a32c055f WB |
6876 | ipr_init_ioadl(ipr_cmd, |
6877 | ioa_cfg->vpd_cbs_dma + | |
6878 | offsetof(struct ipr_misc_cbs, supp_dev), | |
6879 | sizeof(struct ipr_supported_device), | |
6880 | IPR_IOADL_FLAGS_WRITE_LAST); | |
1da177e4 LT |
6881 | |
6882 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, | |
6883 | IPR_SET_SUP_DEVICE_TIMEOUT); | |
6884 | ||
3e7ebdfa WB |
6885 | if (!ioa_cfg->sis64) |
6886 | ipr_cmd->job_step = ipr_set_supported_devs; | |
05a6538a | 6887 | LEAVE; |
1da177e4 LT |
6888 | return IPR_RC_JOB_RETURN; |
6889 | } | |
6890 | ||
05a6538a | 6891 | LEAVE; |
1da177e4 LT |
6892 | return IPR_RC_JOB_CONTINUE; |
6893 | } | |
6894 | ||
6895 | /** | |
6896 | * ipr_get_mode_page - Locate specified mode page | |
6897 | * @mode_pages: mode page buffer | |
6898 | * @page_code: page code to find | |
6899 | * @len: minimum required length for mode page | |
6900 | * | |
6901 | * Return value: | |
6902 | * pointer to mode page / NULL on failure | |
6903 | **/ | |
6904 | static void *ipr_get_mode_page(struct ipr_mode_pages *mode_pages, | |
6905 | u32 page_code, u32 len) | |
6906 | { | |
6907 | struct ipr_mode_page_hdr *mode_hdr; | |
6908 | u32 page_length; | |
6909 | u32 length; | |
6910 | ||
6911 | if (!mode_pages || (mode_pages->hdr.length == 0)) | |
6912 | return NULL; | |
6913 | ||
6914 | length = (mode_pages->hdr.length + 1) - 4 - mode_pages->hdr.block_desc_len; | |
6915 | mode_hdr = (struct ipr_mode_page_hdr *) | |
6916 | (mode_pages->data + mode_pages->hdr.block_desc_len); | |
6917 | ||
6918 | while (length) { | |
6919 | if (IPR_GET_MODE_PAGE_CODE(mode_hdr) == page_code) { | |
6920 | if (mode_hdr->page_length >= (len - sizeof(struct ipr_mode_page_hdr))) | |
6921 | return mode_hdr; | |
6922 | break; | |
6923 | } else { | |
6924 | page_length = (sizeof(struct ipr_mode_page_hdr) + | |
6925 | mode_hdr->page_length); | |
6926 | length -= page_length; | |
6927 | mode_hdr = (struct ipr_mode_page_hdr *) | |
6928 | ((unsigned long)mode_hdr + page_length); | |
6929 | } | |
6930 | } | |
6931 | return NULL; | |
6932 | } | |
6933 | ||
6934 | /** | |
6935 | * ipr_check_term_power - Check for term power errors | |
6936 | * @ioa_cfg: ioa config struct | |
6937 | * @mode_pages: IOAFP mode pages buffer | |
6938 | * | |
6939 | * Check the IOAFP's mode page 28 for term power errors | |
6940 | * | |
6941 | * Return value: | |
6942 | * nothing | |
6943 | **/ | |
6944 | static void ipr_check_term_power(struct ipr_ioa_cfg *ioa_cfg, | |
6945 | struct ipr_mode_pages *mode_pages) | |
6946 | { | |
6947 | int i; | |
6948 | int entry_length; | |
6949 | struct ipr_dev_bus_entry *bus; | |
6950 | struct ipr_mode_page28 *mode_page; | |
6951 | ||
6952 | mode_page = ipr_get_mode_page(mode_pages, 0x28, | |
6953 | sizeof(struct ipr_mode_page28)); | |
6954 | ||
6955 | entry_length = mode_page->entry_length; | |
6956 | ||
6957 | bus = mode_page->bus; | |
6958 | ||
6959 | for (i = 0; i < mode_page->num_entries; i++) { | |
6960 | if (bus->flags & IPR_SCSI_ATTR_NO_TERM_PWR) { | |
6961 | dev_err(&ioa_cfg->pdev->dev, | |
6962 | "Term power is absent on scsi bus %d\n", | |
6963 | bus->res_addr.bus); | |
6964 | } | |
6965 | ||
6966 | bus = (struct ipr_dev_bus_entry *)((char *)bus + entry_length); | |
6967 | } | |
6968 | } | |
6969 | ||
6970 | /** | |
6971 | * ipr_scsi_bus_speed_limit - Limit the SCSI speed based on SES table | |
6972 | * @ioa_cfg: ioa config struct | |
6973 | * | |
6974 | * Looks through the config table checking for SES devices. If | |
6975 | * the SES device is in the SES table indicating a maximum SCSI | |
6976 | * bus speed, the speed is limited for the bus. | |
6977 | * | |
6978 | * Return value: | |
6979 | * none | |
6980 | **/ | |
6981 | static void ipr_scsi_bus_speed_limit(struct ipr_ioa_cfg *ioa_cfg) | |
6982 | { | |
6983 | u32 max_xfer_rate; | |
6984 | int i; | |
6985 | ||
6986 | for (i = 0; i < IPR_MAX_NUM_BUSES; i++) { | |
6987 | max_xfer_rate = ipr_get_max_scsi_speed(ioa_cfg, i, | |
6988 | ioa_cfg->bus_attr[i].bus_width); | |
6989 | ||
6990 | if (max_xfer_rate < ioa_cfg->bus_attr[i].max_xfer_rate) | |
6991 | ioa_cfg->bus_attr[i].max_xfer_rate = max_xfer_rate; | |
6992 | } | |
6993 | } | |
6994 | ||
6995 | /** | |
6996 | * ipr_modify_ioafp_mode_page_28 - Modify IOAFP Mode Page 28 | |
6997 | * @ioa_cfg: ioa config struct | |
6998 | * @mode_pages: mode page 28 buffer | |
6999 | * | |
7000 | * Updates mode page 28 based on driver configuration | |
7001 | * | |
7002 | * Return value: | |
7003 | * none | |
7004 | **/ | |
7005 | static void ipr_modify_ioafp_mode_page_28(struct ipr_ioa_cfg *ioa_cfg, | |
203fa3fe | 7006 | struct ipr_mode_pages *mode_pages) |
1da177e4 LT |
7007 | { |
7008 | int i, entry_length; | |
7009 | struct ipr_dev_bus_entry *bus; | |
7010 | struct ipr_bus_attributes *bus_attr; | |
7011 | struct ipr_mode_page28 *mode_page; | |
7012 | ||
7013 | mode_page = ipr_get_mode_page(mode_pages, 0x28, | |
7014 | sizeof(struct ipr_mode_page28)); | |
7015 | ||
7016 | entry_length = mode_page->entry_length; | |
7017 | ||
7018 | /* Loop for each device bus entry */ | |
7019 | for (i = 0, bus = mode_page->bus; | |
7020 | i < mode_page->num_entries; | |
7021 | i++, bus = (struct ipr_dev_bus_entry *)((u8 *)bus + entry_length)) { | |
7022 | if (bus->res_addr.bus > IPR_MAX_NUM_BUSES) { | |
7023 | dev_err(&ioa_cfg->pdev->dev, | |
7024 | "Invalid resource address reported: 0x%08X\n", | |
7025 | IPR_GET_PHYS_LOC(bus->res_addr)); | |
7026 | continue; | |
7027 | } | |
7028 | ||
7029 | bus_attr = &ioa_cfg->bus_attr[i]; | |
7030 | bus->extended_reset_delay = IPR_EXTENDED_RESET_DELAY; | |
7031 | bus->bus_width = bus_attr->bus_width; | |
7032 | bus->max_xfer_rate = cpu_to_be32(bus_attr->max_xfer_rate); | |
7033 | bus->flags &= ~IPR_SCSI_ATTR_QAS_MASK; | |
7034 | if (bus_attr->qas_enabled) | |
7035 | bus->flags |= IPR_SCSI_ATTR_ENABLE_QAS; | |
7036 | else | |
7037 | bus->flags |= IPR_SCSI_ATTR_DISABLE_QAS; | |
7038 | } | |
7039 | } | |
7040 | ||
7041 | /** | |
7042 | * ipr_build_mode_select - Build a mode select command | |
7043 | * @ipr_cmd: ipr command struct | |
7044 | * @res_handle: resource handle to send command to | |
7045 | * @parm: Byte 2 of Mode Sense command | |
7046 | * @dma_addr: DMA buffer address | |
7047 | * @xfer_len: data transfer length | |
7048 | * | |
7049 | * Return value: | |
7050 | * none | |
7051 | **/ | |
7052 | static void ipr_build_mode_select(struct ipr_cmnd *ipr_cmd, | |
a32c055f WB |
7053 | __be32 res_handle, u8 parm, |
7054 | dma_addr_t dma_addr, u8 xfer_len) | |
1da177e4 | 7055 | { |
1da177e4 LT |
7056 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; |
7057 | ||
7058 | ioarcb->res_handle = res_handle; | |
7059 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_SCSICDB; | |
7060 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ; | |
7061 | ioarcb->cmd_pkt.cdb[0] = MODE_SELECT; | |
7062 | ioarcb->cmd_pkt.cdb[1] = parm; | |
7063 | ioarcb->cmd_pkt.cdb[4] = xfer_len; | |
7064 | ||
a32c055f | 7065 | ipr_init_ioadl(ipr_cmd, dma_addr, xfer_len, IPR_IOADL_FLAGS_WRITE_LAST); |
1da177e4 LT |
7066 | } |
7067 | ||
7068 | /** | |
7069 | * ipr_ioafp_mode_select_page28 - Issue Mode Select Page 28 to IOA | |
7070 | * @ipr_cmd: ipr command struct | |
7071 | * | |
7072 | * This function sets up the SCSI bus attributes and sends | |
7073 | * a Mode Select for Page 28 to activate them. | |
7074 | * | |
7075 | * Return value: | |
7076 | * IPR_RC_JOB_RETURN | |
7077 | **/ | |
7078 | static int ipr_ioafp_mode_select_page28(struct ipr_cmnd *ipr_cmd) | |
7079 | { | |
7080 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7081 | struct ipr_mode_pages *mode_pages = &ioa_cfg->vpd_cbs->mode_pages; | |
7082 | int length; | |
7083 | ||
7084 | ENTER; | |
4733804c BK |
7085 | ipr_scsi_bus_speed_limit(ioa_cfg); |
7086 | ipr_check_term_power(ioa_cfg, mode_pages); | |
7087 | ipr_modify_ioafp_mode_page_28(ioa_cfg, mode_pages); | |
7088 | length = mode_pages->hdr.length + 1; | |
7089 | mode_pages->hdr.length = 0; | |
1da177e4 LT |
7090 | |
7091 | ipr_build_mode_select(ipr_cmd, cpu_to_be32(IPR_IOA_RES_HANDLE), 0x11, | |
7092 | ioa_cfg->vpd_cbs_dma + offsetof(struct ipr_misc_cbs, mode_pages), | |
7093 | length); | |
7094 | ||
f72919ec WB |
7095 | ipr_cmd->job_step = ipr_set_supported_devs; |
7096 | ipr_cmd->u.res = list_entry(ioa_cfg->used_res_q.next, | |
7097 | struct ipr_resource_entry, queue); | |
1da177e4 LT |
7098 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, IPR_INTERNAL_TIMEOUT); |
7099 | ||
7100 | LEAVE; | |
7101 | return IPR_RC_JOB_RETURN; | |
7102 | } | |
7103 | ||
7104 | /** | |
7105 | * ipr_build_mode_sense - Builds a mode sense command | |
7106 | * @ipr_cmd: ipr command struct | |
7107 | * @res: resource entry struct | |
7108 | * @parm: Byte 2 of mode sense command | |
7109 | * @dma_addr: DMA address of mode sense buffer | |
7110 | * @xfer_len: Size of DMA buffer | |
7111 | * | |
7112 | * Return value: | |
7113 | * none | |
7114 | **/ | |
7115 | static void ipr_build_mode_sense(struct ipr_cmnd *ipr_cmd, | |
7116 | __be32 res_handle, | |
a32c055f | 7117 | u8 parm, dma_addr_t dma_addr, u8 xfer_len) |
1da177e4 | 7118 | { |
1da177e4 LT |
7119 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; |
7120 | ||
7121 | ioarcb->res_handle = res_handle; | |
7122 | ioarcb->cmd_pkt.cdb[0] = MODE_SENSE; | |
7123 | ioarcb->cmd_pkt.cdb[2] = parm; | |
7124 | ioarcb->cmd_pkt.cdb[4] = xfer_len; | |
7125 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_SCSICDB; | |
7126 | ||
a32c055f | 7127 | ipr_init_ioadl(ipr_cmd, dma_addr, xfer_len, IPR_IOADL_FLAGS_READ_LAST); |
1da177e4 LT |
7128 | } |
7129 | ||
dfed823e BK |
7130 | /** |
7131 | * ipr_reset_cmd_failed - Handle failure of IOA reset command | |
7132 | * @ipr_cmd: ipr command struct | |
7133 | * | |
7134 | * This function handles the failure of an IOA bringup command. | |
7135 | * | |
7136 | * Return value: | |
7137 | * IPR_RC_JOB_RETURN | |
7138 | **/ | |
7139 | static int ipr_reset_cmd_failed(struct ipr_cmnd *ipr_cmd) | |
7140 | { | |
7141 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
96d21f00 | 7142 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
dfed823e BK |
7143 | |
7144 | dev_err(&ioa_cfg->pdev->dev, | |
7145 | "0x%02X failed with IOASC: 0x%08X\n", | |
7146 | ipr_cmd->ioarcb.cmd_pkt.cdb[0], ioasc); | |
7147 | ||
7148 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); | |
05a6538a | 7149 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
dfed823e BK |
7150 | return IPR_RC_JOB_RETURN; |
7151 | } | |
7152 | ||
7153 | /** | |
7154 | * ipr_reset_mode_sense_failed - Handle failure of IOAFP mode sense | |
7155 | * @ipr_cmd: ipr command struct | |
7156 | * | |
7157 | * This function handles the failure of a Mode Sense to the IOAFP. | |
7158 | * Some adapters do not handle all mode pages. | |
7159 | * | |
7160 | * Return value: | |
7161 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
7162 | **/ | |
7163 | static int ipr_reset_mode_sense_failed(struct ipr_cmnd *ipr_cmd) | |
7164 | { | |
f72919ec | 7165 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; |
96d21f00 | 7166 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
dfed823e BK |
7167 | |
7168 | if (ioasc == IPR_IOASC_IR_INVALID_REQ_TYPE_OR_PKT) { | |
f72919ec WB |
7169 | ipr_cmd->job_step = ipr_set_supported_devs; |
7170 | ipr_cmd->u.res = list_entry(ioa_cfg->used_res_q.next, | |
7171 | struct ipr_resource_entry, queue); | |
dfed823e BK |
7172 | return IPR_RC_JOB_CONTINUE; |
7173 | } | |
7174 | ||
7175 | return ipr_reset_cmd_failed(ipr_cmd); | |
7176 | } | |
7177 | ||
1da177e4 LT |
7178 | /** |
7179 | * ipr_ioafp_mode_sense_page28 - Issue Mode Sense Page 28 to IOA | |
7180 | * @ipr_cmd: ipr command struct | |
7181 | * | |
7182 | * This function send a Page 28 mode sense to the IOA to | |
7183 | * retrieve SCSI bus attributes. | |
7184 | * | |
7185 | * Return value: | |
7186 | * IPR_RC_JOB_RETURN | |
7187 | **/ | |
7188 | static int ipr_ioafp_mode_sense_page28(struct ipr_cmnd *ipr_cmd) | |
7189 | { | |
7190 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7191 | ||
7192 | ENTER; | |
7193 | ipr_build_mode_sense(ipr_cmd, cpu_to_be32(IPR_IOA_RES_HANDLE), | |
7194 | 0x28, ioa_cfg->vpd_cbs_dma + | |
7195 | offsetof(struct ipr_misc_cbs, mode_pages), | |
7196 | sizeof(struct ipr_mode_pages)); | |
7197 | ||
7198 | ipr_cmd->job_step = ipr_ioafp_mode_select_page28; | |
dfed823e | 7199 | ipr_cmd->job_step_failed = ipr_reset_mode_sense_failed; |
1da177e4 LT |
7200 | |
7201 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, IPR_INTERNAL_TIMEOUT); | |
7202 | ||
7203 | LEAVE; | |
7204 | return IPR_RC_JOB_RETURN; | |
7205 | } | |
7206 | ||
ac09c349 BK |
7207 | /** |
7208 | * ipr_ioafp_mode_select_page24 - Issue Mode Select to IOA | |
7209 | * @ipr_cmd: ipr command struct | |
7210 | * | |
7211 | * This function enables dual IOA RAID support if possible. | |
7212 | * | |
7213 | * Return value: | |
7214 | * IPR_RC_JOB_RETURN | |
7215 | **/ | |
7216 | static int ipr_ioafp_mode_select_page24(struct ipr_cmnd *ipr_cmd) | |
7217 | { | |
7218 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7219 | struct ipr_mode_pages *mode_pages = &ioa_cfg->vpd_cbs->mode_pages; | |
7220 | struct ipr_mode_page24 *mode_page; | |
7221 | int length; | |
7222 | ||
7223 | ENTER; | |
7224 | mode_page = ipr_get_mode_page(mode_pages, 0x24, | |
7225 | sizeof(struct ipr_mode_page24)); | |
7226 | ||
7227 | if (mode_page) | |
7228 | mode_page->flags |= IPR_ENABLE_DUAL_IOA_AF; | |
7229 | ||
7230 | length = mode_pages->hdr.length + 1; | |
7231 | mode_pages->hdr.length = 0; | |
7232 | ||
7233 | ipr_build_mode_select(ipr_cmd, cpu_to_be32(IPR_IOA_RES_HANDLE), 0x11, | |
7234 | ioa_cfg->vpd_cbs_dma + offsetof(struct ipr_misc_cbs, mode_pages), | |
7235 | length); | |
7236 | ||
7237 | ipr_cmd->job_step = ipr_ioafp_mode_sense_page28; | |
7238 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, IPR_INTERNAL_TIMEOUT); | |
7239 | ||
7240 | LEAVE; | |
7241 | return IPR_RC_JOB_RETURN; | |
7242 | } | |
7243 | ||
7244 | /** | |
7245 | * ipr_reset_mode_sense_page24_failed - Handle failure of IOAFP mode sense | |
7246 | * @ipr_cmd: ipr command struct | |
7247 | * | |
7248 | * This function handles the failure of a Mode Sense to the IOAFP. | |
7249 | * Some adapters do not handle all mode pages. | |
7250 | * | |
7251 | * Return value: | |
7252 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
7253 | **/ | |
7254 | static int ipr_reset_mode_sense_page24_failed(struct ipr_cmnd *ipr_cmd) | |
7255 | { | |
96d21f00 | 7256 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
ac09c349 BK |
7257 | |
7258 | if (ioasc == IPR_IOASC_IR_INVALID_REQ_TYPE_OR_PKT) { | |
7259 | ipr_cmd->job_step = ipr_ioafp_mode_sense_page28; | |
7260 | return IPR_RC_JOB_CONTINUE; | |
7261 | } | |
7262 | ||
7263 | return ipr_reset_cmd_failed(ipr_cmd); | |
7264 | } | |
7265 | ||
7266 | /** | |
7267 | * ipr_ioafp_mode_sense_page24 - Issue Page 24 Mode Sense to IOA | |
7268 | * @ipr_cmd: ipr command struct | |
7269 | * | |
7270 | * This function send a mode sense to the IOA to retrieve | |
7271 | * the IOA Advanced Function Control mode page. | |
7272 | * | |
7273 | * Return value: | |
7274 | * IPR_RC_JOB_RETURN | |
7275 | **/ | |
7276 | static int ipr_ioafp_mode_sense_page24(struct ipr_cmnd *ipr_cmd) | |
7277 | { | |
7278 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7279 | ||
7280 | ENTER; | |
7281 | ipr_build_mode_sense(ipr_cmd, cpu_to_be32(IPR_IOA_RES_HANDLE), | |
7282 | 0x24, ioa_cfg->vpd_cbs_dma + | |
7283 | offsetof(struct ipr_misc_cbs, mode_pages), | |
7284 | sizeof(struct ipr_mode_pages)); | |
7285 | ||
7286 | ipr_cmd->job_step = ipr_ioafp_mode_select_page24; | |
7287 | ipr_cmd->job_step_failed = ipr_reset_mode_sense_page24_failed; | |
7288 | ||
7289 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, IPR_INTERNAL_TIMEOUT); | |
7290 | ||
7291 | LEAVE; | |
7292 | return IPR_RC_JOB_RETURN; | |
7293 | } | |
7294 | ||
1da177e4 LT |
7295 | /** |
7296 | * ipr_init_res_table - Initialize the resource table | |
7297 | * @ipr_cmd: ipr command struct | |
7298 | * | |
7299 | * This function looks through the existing resource table, comparing | |
7300 | * it with the config table. This function will take care of old/new | |
7301 | * devices and schedule adding/removing them from the mid-layer | |
7302 | * as appropriate. | |
7303 | * | |
7304 | * Return value: | |
7305 | * IPR_RC_JOB_CONTINUE | |
7306 | **/ | |
7307 | static int ipr_init_res_table(struct ipr_cmnd *ipr_cmd) | |
7308 | { | |
7309 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7310 | struct ipr_resource_entry *res, *temp; | |
3e7ebdfa WB |
7311 | struct ipr_config_table_entry_wrapper cfgtew; |
7312 | int entries, found, flag, i; | |
1da177e4 LT |
7313 | LIST_HEAD(old_res); |
7314 | ||
7315 | ENTER; | |
3e7ebdfa WB |
7316 | if (ioa_cfg->sis64) |
7317 | flag = ioa_cfg->u.cfg_table64->hdr64.flags; | |
7318 | else | |
7319 | flag = ioa_cfg->u.cfg_table->hdr.flags; | |
7320 | ||
7321 | if (flag & IPR_UCODE_DOWNLOAD_REQ) | |
1da177e4 LT |
7322 | dev_err(&ioa_cfg->pdev->dev, "Microcode download required\n"); |
7323 | ||
7324 | list_for_each_entry_safe(res, temp, &ioa_cfg->used_res_q, queue) | |
7325 | list_move_tail(&res->queue, &old_res); | |
7326 | ||
3e7ebdfa | 7327 | if (ioa_cfg->sis64) |
438b0331 | 7328 | entries = be16_to_cpu(ioa_cfg->u.cfg_table64->hdr64.num_entries); |
3e7ebdfa WB |
7329 | else |
7330 | entries = ioa_cfg->u.cfg_table->hdr.num_entries; | |
7331 | ||
7332 | for (i = 0; i < entries; i++) { | |
7333 | if (ioa_cfg->sis64) | |
7334 | cfgtew.u.cfgte64 = &ioa_cfg->u.cfg_table64->dev[i]; | |
7335 | else | |
7336 | cfgtew.u.cfgte = &ioa_cfg->u.cfg_table->dev[i]; | |
1da177e4 LT |
7337 | found = 0; |
7338 | ||
7339 | list_for_each_entry_safe(res, temp, &old_res, queue) { | |
3e7ebdfa | 7340 | if (ipr_is_same_device(res, &cfgtew)) { |
1da177e4 LT |
7341 | list_move_tail(&res->queue, &ioa_cfg->used_res_q); |
7342 | found = 1; | |
7343 | break; | |
7344 | } | |
7345 | } | |
7346 | ||
7347 | if (!found) { | |
7348 | if (list_empty(&ioa_cfg->free_res_q)) { | |
7349 | dev_err(&ioa_cfg->pdev->dev, "Too many devices attached\n"); | |
7350 | break; | |
7351 | } | |
7352 | ||
7353 | found = 1; | |
7354 | res = list_entry(ioa_cfg->free_res_q.next, | |
7355 | struct ipr_resource_entry, queue); | |
7356 | list_move_tail(&res->queue, &ioa_cfg->used_res_q); | |
3e7ebdfa | 7357 | ipr_init_res_entry(res, &cfgtew); |
1da177e4 | 7358 | res->add_to_ml = 1; |
56115598 WB |
7359 | } else if (res->sdev && (ipr_is_vset_device(res) || ipr_is_scsi_disk(res))) |
7360 | res->sdev->allow_restart = 1; | |
1da177e4 LT |
7361 | |
7362 | if (found) | |
3e7ebdfa | 7363 | ipr_update_res_entry(res, &cfgtew); |
1da177e4 LT |
7364 | } |
7365 | ||
7366 | list_for_each_entry_safe(res, temp, &old_res, queue) { | |
7367 | if (res->sdev) { | |
7368 | res->del_from_ml = 1; | |
3e7ebdfa | 7369 | res->res_handle = IPR_INVALID_RES_HANDLE; |
1da177e4 | 7370 | list_move_tail(&res->queue, &ioa_cfg->used_res_q); |
1da177e4 LT |
7371 | } |
7372 | } | |
7373 | ||
3e7ebdfa WB |
7374 | list_for_each_entry_safe(res, temp, &old_res, queue) { |
7375 | ipr_clear_res_target(res); | |
7376 | list_move_tail(&res->queue, &ioa_cfg->free_res_q); | |
7377 | } | |
7378 | ||
ac09c349 BK |
7379 | if (ioa_cfg->dual_raid && ipr_dual_ioa_raid) |
7380 | ipr_cmd->job_step = ipr_ioafp_mode_sense_page24; | |
7381 | else | |
7382 | ipr_cmd->job_step = ipr_ioafp_mode_sense_page28; | |
1da177e4 LT |
7383 | |
7384 | LEAVE; | |
7385 | return IPR_RC_JOB_CONTINUE; | |
7386 | } | |
7387 | ||
7388 | /** | |
7389 | * ipr_ioafp_query_ioa_cfg - Send a Query IOA Config to the adapter. | |
7390 | * @ipr_cmd: ipr command struct | |
7391 | * | |
7392 | * This function sends a Query IOA Configuration command | |
7393 | * to the adapter to retrieve the IOA configuration table. | |
7394 | * | |
7395 | * Return value: | |
7396 | * IPR_RC_JOB_RETURN | |
7397 | **/ | |
7398 | static int ipr_ioafp_query_ioa_cfg(struct ipr_cmnd *ipr_cmd) | |
7399 | { | |
7400 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7401 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
1da177e4 | 7402 | struct ipr_inquiry_page3 *ucode_vpd = &ioa_cfg->vpd_cbs->page3_data; |
ac09c349 | 7403 | struct ipr_inquiry_cap *cap = &ioa_cfg->vpd_cbs->cap; |
1da177e4 LT |
7404 | |
7405 | ENTER; | |
ac09c349 BK |
7406 | if (cap->cap & IPR_CAP_DUAL_IOA_RAID) |
7407 | ioa_cfg->dual_raid = 1; | |
1da177e4 LT |
7408 | dev_info(&ioa_cfg->pdev->dev, "Adapter firmware version: %02X%02X%02X%02X\n", |
7409 | ucode_vpd->major_release, ucode_vpd->card_type, | |
7410 | ucode_vpd->minor_release[0], ucode_vpd->minor_release[1]); | |
7411 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_IOACMD; | |
7412 | ioarcb->res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE); | |
7413 | ||
7414 | ioarcb->cmd_pkt.cdb[0] = IPR_QUERY_IOA_CONFIG; | |
438b0331 | 7415 | ioarcb->cmd_pkt.cdb[6] = (ioa_cfg->cfg_table_size >> 16) & 0xff; |
3e7ebdfa WB |
7416 | ioarcb->cmd_pkt.cdb[7] = (ioa_cfg->cfg_table_size >> 8) & 0xff; |
7417 | ioarcb->cmd_pkt.cdb[8] = ioa_cfg->cfg_table_size & 0xff; | |
1da177e4 | 7418 | |
3e7ebdfa | 7419 | ipr_init_ioadl(ipr_cmd, ioa_cfg->cfg_table_dma, ioa_cfg->cfg_table_size, |
a32c055f | 7420 | IPR_IOADL_FLAGS_READ_LAST); |
1da177e4 LT |
7421 | |
7422 | ipr_cmd->job_step = ipr_init_res_table; | |
7423 | ||
7424 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, IPR_INTERNAL_TIMEOUT); | |
7425 | ||
7426 | LEAVE; | |
7427 | return IPR_RC_JOB_RETURN; | |
7428 | } | |
7429 | ||
7430 | /** | |
7431 | * ipr_ioafp_inquiry - Send an Inquiry to the adapter. | |
7432 | * @ipr_cmd: ipr command struct | |
7433 | * | |
7434 | * This utility function sends an inquiry to the adapter. | |
7435 | * | |
7436 | * Return value: | |
7437 | * none | |
7438 | **/ | |
7439 | static void ipr_ioafp_inquiry(struct ipr_cmnd *ipr_cmd, u8 flags, u8 page, | |
a32c055f | 7440 | dma_addr_t dma_addr, u8 xfer_len) |
1da177e4 LT |
7441 | { |
7442 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
1da177e4 LT |
7443 | |
7444 | ENTER; | |
7445 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_SCSICDB; | |
7446 | ioarcb->res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE); | |
7447 | ||
7448 | ioarcb->cmd_pkt.cdb[0] = INQUIRY; | |
7449 | ioarcb->cmd_pkt.cdb[1] = flags; | |
7450 | ioarcb->cmd_pkt.cdb[2] = page; | |
7451 | ioarcb->cmd_pkt.cdb[4] = xfer_len; | |
7452 | ||
a32c055f | 7453 | ipr_init_ioadl(ipr_cmd, dma_addr, xfer_len, IPR_IOADL_FLAGS_READ_LAST); |
1da177e4 LT |
7454 | |
7455 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, IPR_INTERNAL_TIMEOUT); | |
7456 | LEAVE; | |
7457 | } | |
7458 | ||
62275040 BK |
7459 | /** |
7460 | * ipr_inquiry_page_supported - Is the given inquiry page supported | |
7461 | * @page0: inquiry page 0 buffer | |
7462 | * @page: page code. | |
7463 | * | |
7464 | * This function determines if the specified inquiry page is supported. | |
7465 | * | |
7466 | * Return value: | |
7467 | * 1 if page is supported / 0 if not | |
7468 | **/ | |
7469 | static int ipr_inquiry_page_supported(struct ipr_inquiry_page0 *page0, u8 page) | |
7470 | { | |
7471 | int i; | |
7472 | ||
7473 | for (i = 0; i < min_t(u8, page0->len, IPR_INQUIRY_PAGE0_ENTRIES); i++) | |
7474 | if (page0->page[i] == page) | |
7475 | return 1; | |
7476 | ||
7477 | return 0; | |
7478 | } | |
7479 | ||
ac09c349 BK |
7480 | /** |
7481 | * ipr_ioafp_cap_inquiry - Send a Page 0xD0 Inquiry to the adapter. | |
7482 | * @ipr_cmd: ipr command struct | |
7483 | * | |
7484 | * This function sends a Page 0xD0 inquiry to the adapter | |
7485 | * to retrieve adapter capabilities. | |
7486 | * | |
7487 | * Return value: | |
7488 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
7489 | **/ | |
7490 | static int ipr_ioafp_cap_inquiry(struct ipr_cmnd *ipr_cmd) | |
7491 | { | |
7492 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7493 | struct ipr_inquiry_page0 *page0 = &ioa_cfg->vpd_cbs->page0_data; | |
7494 | struct ipr_inquiry_cap *cap = &ioa_cfg->vpd_cbs->cap; | |
7495 | ||
7496 | ENTER; | |
7497 | ipr_cmd->job_step = ipr_ioafp_query_ioa_cfg; | |
7498 | memset(cap, 0, sizeof(*cap)); | |
7499 | ||
7500 | if (ipr_inquiry_page_supported(page0, 0xD0)) { | |
7501 | ipr_ioafp_inquiry(ipr_cmd, 1, 0xD0, | |
7502 | ioa_cfg->vpd_cbs_dma + offsetof(struct ipr_misc_cbs, cap), | |
7503 | sizeof(struct ipr_inquiry_cap)); | |
7504 | return IPR_RC_JOB_RETURN; | |
7505 | } | |
7506 | ||
7507 | LEAVE; | |
7508 | return IPR_RC_JOB_CONTINUE; | |
7509 | } | |
7510 | ||
1da177e4 LT |
7511 | /** |
7512 | * ipr_ioafp_page3_inquiry - Send a Page 3 Inquiry to the adapter. | |
7513 | * @ipr_cmd: ipr command struct | |
7514 | * | |
7515 | * This function sends a Page 3 inquiry to the adapter | |
7516 | * to retrieve software VPD information. | |
7517 | * | |
7518 | * Return value: | |
7519 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
7520 | **/ | |
7521 | static int ipr_ioafp_page3_inquiry(struct ipr_cmnd *ipr_cmd) | |
62275040 BK |
7522 | { |
7523 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
62275040 BK |
7524 | |
7525 | ENTER; | |
7526 | ||
ac09c349 | 7527 | ipr_cmd->job_step = ipr_ioafp_cap_inquiry; |
62275040 BK |
7528 | |
7529 | ipr_ioafp_inquiry(ipr_cmd, 1, 3, | |
7530 | ioa_cfg->vpd_cbs_dma + offsetof(struct ipr_misc_cbs, page3_data), | |
7531 | sizeof(struct ipr_inquiry_page3)); | |
7532 | ||
7533 | LEAVE; | |
7534 | return IPR_RC_JOB_RETURN; | |
7535 | } | |
7536 | ||
7537 | /** | |
7538 | * ipr_ioafp_page0_inquiry - Send a Page 0 Inquiry to the adapter. | |
7539 | * @ipr_cmd: ipr command struct | |
7540 | * | |
7541 | * This function sends a Page 0 inquiry to the adapter | |
7542 | * to retrieve supported inquiry pages. | |
7543 | * | |
7544 | * Return value: | |
7545 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
7546 | **/ | |
7547 | static int ipr_ioafp_page0_inquiry(struct ipr_cmnd *ipr_cmd) | |
1da177e4 LT |
7548 | { |
7549 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7550 | char type[5]; | |
7551 | ||
7552 | ENTER; | |
7553 | ||
7554 | /* Grab the type out of the VPD and store it away */ | |
7555 | memcpy(type, ioa_cfg->vpd_cbs->ioa_vpd.std_inq_data.vpids.product_id, 4); | |
7556 | type[4] = '\0'; | |
7557 | ioa_cfg->type = simple_strtoul((char *)type, NULL, 16); | |
7558 | ||
62275040 | 7559 | ipr_cmd->job_step = ipr_ioafp_page3_inquiry; |
1da177e4 | 7560 | |
62275040 BK |
7561 | ipr_ioafp_inquiry(ipr_cmd, 1, 0, |
7562 | ioa_cfg->vpd_cbs_dma + offsetof(struct ipr_misc_cbs, page0_data), | |
7563 | sizeof(struct ipr_inquiry_page0)); | |
1da177e4 LT |
7564 | |
7565 | LEAVE; | |
7566 | return IPR_RC_JOB_RETURN; | |
7567 | } | |
7568 | ||
7569 | /** | |
7570 | * ipr_ioafp_std_inquiry - Send a Standard Inquiry to the adapter. | |
7571 | * @ipr_cmd: ipr command struct | |
7572 | * | |
7573 | * This function sends a standard inquiry to the adapter. | |
7574 | * | |
7575 | * Return value: | |
7576 | * IPR_RC_JOB_RETURN | |
7577 | **/ | |
7578 | static int ipr_ioafp_std_inquiry(struct ipr_cmnd *ipr_cmd) | |
7579 | { | |
7580 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7581 | ||
7582 | ENTER; | |
62275040 | 7583 | ipr_cmd->job_step = ipr_ioafp_page0_inquiry; |
1da177e4 LT |
7584 | |
7585 | ipr_ioafp_inquiry(ipr_cmd, 0, 0, | |
7586 | ioa_cfg->vpd_cbs_dma + offsetof(struct ipr_misc_cbs, ioa_vpd), | |
7587 | sizeof(struct ipr_ioa_vpd)); | |
7588 | ||
7589 | LEAVE; | |
7590 | return IPR_RC_JOB_RETURN; | |
7591 | } | |
7592 | ||
7593 | /** | |
214777ba | 7594 | * ipr_ioafp_identify_hrrq - Send Identify Host RRQ. |
1da177e4 LT |
7595 | * @ipr_cmd: ipr command struct |
7596 | * | |
7597 | * This function send an Identify Host Request Response Queue | |
7598 | * command to establish the HRRQ with the adapter. | |
7599 | * | |
7600 | * Return value: | |
7601 | * IPR_RC_JOB_RETURN | |
7602 | **/ | |
214777ba | 7603 | static int ipr_ioafp_identify_hrrq(struct ipr_cmnd *ipr_cmd) |
1da177e4 LT |
7604 | { |
7605 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7606 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
05a6538a | 7607 | struct ipr_hrr_queue *hrrq; |
1da177e4 LT |
7608 | |
7609 | ENTER; | |
05a6538a | 7610 | ipr_cmd->job_step = ipr_ioafp_std_inquiry; |
1da177e4 LT |
7611 | dev_info(&ioa_cfg->pdev->dev, "Starting IOA initialization sequence.\n"); |
7612 | ||
56d6aa33 | 7613 | if (ioa_cfg->identify_hrrq_index < ioa_cfg->hrrq_num) { |
7614 | hrrq = &ioa_cfg->hrrq[ioa_cfg->identify_hrrq_index]; | |
1da177e4 | 7615 | |
05a6538a | 7616 | ioarcb->cmd_pkt.cdb[0] = IPR_ID_HOST_RR_Q; |
7617 | ioarcb->res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE); | |
1da177e4 | 7618 | |
05a6538a | 7619 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_IOACMD; |
7620 | if (ioa_cfg->sis64) | |
7621 | ioarcb->cmd_pkt.cdb[1] = 0x1; | |
214777ba | 7622 | |
05a6538a | 7623 | if (ioa_cfg->nvectors == 1) |
7624 | ioarcb->cmd_pkt.cdb[1] &= ~IPR_ID_HRRQ_SELE_ENABLE; | |
7625 | else | |
7626 | ioarcb->cmd_pkt.cdb[1] |= IPR_ID_HRRQ_SELE_ENABLE; | |
7627 | ||
7628 | ioarcb->cmd_pkt.cdb[2] = | |
7629 | ((u64) hrrq->host_rrq_dma >> 24) & 0xff; | |
7630 | ioarcb->cmd_pkt.cdb[3] = | |
7631 | ((u64) hrrq->host_rrq_dma >> 16) & 0xff; | |
7632 | ioarcb->cmd_pkt.cdb[4] = | |
7633 | ((u64) hrrq->host_rrq_dma >> 8) & 0xff; | |
7634 | ioarcb->cmd_pkt.cdb[5] = | |
7635 | ((u64) hrrq->host_rrq_dma) & 0xff; | |
7636 | ioarcb->cmd_pkt.cdb[7] = | |
7637 | ((sizeof(u32) * hrrq->size) >> 8) & 0xff; | |
7638 | ioarcb->cmd_pkt.cdb[8] = | |
7639 | (sizeof(u32) * hrrq->size) & 0xff; | |
7640 | ||
7641 | if (ioarcb->cmd_pkt.cdb[1] & IPR_ID_HRRQ_SELE_ENABLE) | |
56d6aa33 | 7642 | ioarcb->cmd_pkt.cdb[9] = |
7643 | ioa_cfg->identify_hrrq_index; | |
1da177e4 | 7644 | |
05a6538a | 7645 | if (ioa_cfg->sis64) { |
7646 | ioarcb->cmd_pkt.cdb[10] = | |
7647 | ((u64) hrrq->host_rrq_dma >> 56) & 0xff; | |
7648 | ioarcb->cmd_pkt.cdb[11] = | |
7649 | ((u64) hrrq->host_rrq_dma >> 48) & 0xff; | |
7650 | ioarcb->cmd_pkt.cdb[12] = | |
7651 | ((u64) hrrq->host_rrq_dma >> 40) & 0xff; | |
7652 | ioarcb->cmd_pkt.cdb[13] = | |
7653 | ((u64) hrrq->host_rrq_dma >> 32) & 0xff; | |
7654 | } | |
7655 | ||
7656 | if (ioarcb->cmd_pkt.cdb[1] & IPR_ID_HRRQ_SELE_ENABLE) | |
56d6aa33 | 7657 | ioarcb->cmd_pkt.cdb[14] = |
7658 | ioa_cfg->identify_hrrq_index; | |
05a6538a | 7659 | |
7660 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, | |
7661 | IPR_INTERNAL_TIMEOUT); | |
7662 | ||
56d6aa33 | 7663 | if (++ioa_cfg->identify_hrrq_index < ioa_cfg->hrrq_num) |
7664 | ipr_cmd->job_step = ipr_ioafp_identify_hrrq; | |
05a6538a | 7665 | |
7666 | LEAVE; | |
7667 | return IPR_RC_JOB_RETURN; | |
05a6538a | 7668 | } |
7669 | ||
1da177e4 | 7670 | LEAVE; |
05a6538a | 7671 | return IPR_RC_JOB_CONTINUE; |
1da177e4 LT |
7672 | } |
7673 | ||
7674 | /** | |
7675 | * ipr_reset_timer_done - Adapter reset timer function | |
7676 | * @ipr_cmd: ipr command struct | |
7677 | * | |
7678 | * Description: This function is used in adapter reset processing | |
7679 | * for timing events. If the reset_cmd pointer in the IOA | |
7680 | * config struct is not this adapter's we are doing nested | |
7681 | * resets and fail_all_ops will take care of freeing the | |
7682 | * command block. | |
7683 | * | |
7684 | * Return value: | |
7685 | * none | |
7686 | **/ | |
7687 | static void ipr_reset_timer_done(struct ipr_cmnd *ipr_cmd) | |
7688 | { | |
7689 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7690 | unsigned long lock_flags = 0; | |
7691 | ||
7692 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
7693 | ||
7694 | if (ioa_cfg->reset_cmd == ipr_cmd) { | |
7695 | list_del(&ipr_cmd->queue); | |
7696 | ipr_cmd->done(ipr_cmd); | |
7697 | } | |
7698 | ||
7699 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
7700 | } | |
7701 | ||
7702 | /** | |
7703 | * ipr_reset_start_timer - Start a timer for adapter reset job | |
7704 | * @ipr_cmd: ipr command struct | |
7705 | * @timeout: timeout value | |
7706 | * | |
7707 | * Description: This function is used in adapter reset processing | |
7708 | * for timing events. If the reset_cmd pointer in the IOA | |
7709 | * config struct is not this adapter's we are doing nested | |
7710 | * resets and fail_all_ops will take care of freeing the | |
7711 | * command block. | |
7712 | * | |
7713 | * Return value: | |
7714 | * none | |
7715 | **/ | |
7716 | static void ipr_reset_start_timer(struct ipr_cmnd *ipr_cmd, | |
7717 | unsigned long timeout) | |
7718 | { | |
05a6538a | 7719 | |
7720 | ENTER; | |
7721 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_pending_q); | |
1da177e4 LT |
7722 | ipr_cmd->done = ipr_reset_ioa_job; |
7723 | ||
7724 | ipr_cmd->timer.data = (unsigned long) ipr_cmd; | |
7725 | ipr_cmd->timer.expires = jiffies + timeout; | |
7726 | ipr_cmd->timer.function = (void (*)(unsigned long))ipr_reset_timer_done; | |
7727 | add_timer(&ipr_cmd->timer); | |
7728 | } | |
7729 | ||
7730 | /** | |
7731 | * ipr_init_ioa_mem - Initialize ioa_cfg control block | |
7732 | * @ioa_cfg: ioa cfg struct | |
7733 | * | |
7734 | * Return value: | |
7735 | * nothing | |
7736 | **/ | |
7737 | static void ipr_init_ioa_mem(struct ipr_ioa_cfg *ioa_cfg) | |
7738 | { | |
05a6538a | 7739 | struct ipr_hrr_queue *hrrq; |
1da177e4 | 7740 | |
05a6538a | 7741 | for_each_hrrq(hrrq, ioa_cfg) { |
56d6aa33 | 7742 | spin_lock(&hrrq->_lock); |
05a6538a | 7743 | memset(hrrq->host_rrq, 0, sizeof(u32) * hrrq->size); |
7744 | ||
7745 | /* Initialize Host RRQ pointers */ | |
7746 | hrrq->hrrq_start = hrrq->host_rrq; | |
7747 | hrrq->hrrq_end = &hrrq->host_rrq[hrrq->size - 1]; | |
7748 | hrrq->hrrq_curr = hrrq->hrrq_start; | |
7749 | hrrq->toggle_bit = 1; | |
56d6aa33 | 7750 | spin_unlock(&hrrq->_lock); |
05a6538a | 7751 | } |
56d6aa33 | 7752 | wmb(); |
05a6538a | 7753 | |
56d6aa33 | 7754 | ioa_cfg->identify_hrrq_index = 0; |
7755 | if (ioa_cfg->hrrq_num == 1) | |
7756 | atomic_set(&ioa_cfg->hrrq_index, 0); | |
7757 | else | |
7758 | atomic_set(&ioa_cfg->hrrq_index, 1); | |
1da177e4 LT |
7759 | |
7760 | /* Zero out config table */ | |
3e7ebdfa | 7761 | memset(ioa_cfg->u.cfg_table, 0, ioa_cfg->cfg_table_size); |
1da177e4 LT |
7762 | } |
7763 | ||
214777ba WB |
7764 | /** |
7765 | * ipr_reset_next_stage - Process IPL stage change based on feedback register. | |
7766 | * @ipr_cmd: ipr command struct | |
7767 | * | |
7768 | * Return value: | |
7769 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
7770 | **/ | |
7771 | static int ipr_reset_next_stage(struct ipr_cmnd *ipr_cmd) | |
7772 | { | |
7773 | unsigned long stage, stage_time; | |
7774 | u32 feedback; | |
7775 | volatile u32 int_reg; | |
7776 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7777 | u64 maskval = 0; | |
7778 | ||
7779 | feedback = readl(ioa_cfg->regs.init_feedback_reg); | |
7780 | stage = feedback & IPR_IPL_INIT_STAGE_MASK; | |
7781 | stage_time = feedback & IPR_IPL_INIT_STAGE_TIME_MASK; | |
7782 | ||
7783 | ipr_dbg("IPL stage = 0x%lx, IPL stage time = %ld\n", stage, stage_time); | |
7784 | ||
7785 | /* sanity check the stage_time value */ | |
438b0331 WB |
7786 | if (stage_time == 0) |
7787 | stage_time = IPR_IPL_INIT_DEFAULT_STAGE_TIME; | |
7788 | else if (stage_time < IPR_IPL_INIT_MIN_STAGE_TIME) | |
214777ba WB |
7789 | stage_time = IPR_IPL_INIT_MIN_STAGE_TIME; |
7790 | else if (stage_time > IPR_LONG_OPERATIONAL_TIMEOUT) | |
7791 | stage_time = IPR_LONG_OPERATIONAL_TIMEOUT; | |
7792 | ||
7793 | if (stage == IPR_IPL_INIT_STAGE_UNKNOWN) { | |
7794 | writel(IPR_PCII_IPL_STAGE_CHANGE, ioa_cfg->regs.set_interrupt_mask_reg); | |
7795 | int_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg); | |
7796 | stage_time = ioa_cfg->transop_timeout; | |
7797 | ipr_cmd->job_step = ipr_ioafp_identify_hrrq; | |
7798 | } else if (stage == IPR_IPL_INIT_STAGE_TRANSOP) { | |
1df79ca4 WB |
7799 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg32); |
7800 | if (int_reg & IPR_PCII_IOA_TRANS_TO_OPER) { | |
7801 | ipr_cmd->job_step = ipr_ioafp_identify_hrrq; | |
7802 | maskval = IPR_PCII_IPL_STAGE_CHANGE; | |
7803 | maskval = (maskval << 32) | IPR_PCII_IOA_TRANS_TO_OPER; | |
7804 | writeq(maskval, ioa_cfg->regs.set_interrupt_mask_reg); | |
7805 | int_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg); | |
7806 | return IPR_RC_JOB_CONTINUE; | |
7807 | } | |
214777ba WB |
7808 | } |
7809 | ||
7810 | ipr_cmd->timer.data = (unsigned long) ipr_cmd; | |
7811 | ipr_cmd->timer.expires = jiffies + stage_time * HZ; | |
7812 | ipr_cmd->timer.function = (void (*)(unsigned long))ipr_oper_timeout; | |
7813 | ipr_cmd->done = ipr_reset_ioa_job; | |
7814 | add_timer(&ipr_cmd->timer); | |
05a6538a | 7815 | |
7816 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_pending_q); | |
214777ba WB |
7817 | |
7818 | return IPR_RC_JOB_RETURN; | |
7819 | } | |
7820 | ||
1da177e4 LT |
7821 | /** |
7822 | * ipr_reset_enable_ioa - Enable the IOA following a reset. | |
7823 | * @ipr_cmd: ipr command struct | |
7824 | * | |
7825 | * This function reinitializes some control blocks and | |
7826 | * enables destructive diagnostics on the adapter. | |
7827 | * | |
7828 | * Return value: | |
7829 | * IPR_RC_JOB_RETURN | |
7830 | **/ | |
7831 | static int ipr_reset_enable_ioa(struct ipr_cmnd *ipr_cmd) | |
7832 | { | |
7833 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7834 | volatile u32 int_reg; | |
7be96900 | 7835 | volatile u64 maskval; |
56d6aa33 | 7836 | int i; |
1da177e4 LT |
7837 | |
7838 | ENTER; | |
214777ba | 7839 | ipr_cmd->job_step = ipr_ioafp_identify_hrrq; |
1da177e4 LT |
7840 | ipr_init_ioa_mem(ioa_cfg); |
7841 | ||
56d6aa33 | 7842 | for (i = 0; i < ioa_cfg->hrrq_num; i++) { |
7843 | spin_lock(&ioa_cfg->hrrq[i]._lock); | |
7844 | ioa_cfg->hrrq[i].allow_interrupts = 1; | |
7845 | spin_unlock(&ioa_cfg->hrrq[i]._lock); | |
7846 | } | |
7847 | wmb(); | |
8701f185 WB |
7848 | if (ioa_cfg->sis64) { |
7849 | /* Set the adapter to the correct endian mode. */ | |
7850 | writel(IPR_ENDIAN_SWAP_KEY, ioa_cfg->regs.endian_swap_reg); | |
7851 | int_reg = readl(ioa_cfg->regs.endian_swap_reg); | |
7852 | } | |
7853 | ||
7be96900 | 7854 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg32); |
1da177e4 LT |
7855 | |
7856 | if (int_reg & IPR_PCII_IOA_TRANS_TO_OPER) { | |
7857 | writel((IPR_PCII_ERROR_INTERRUPTS | IPR_PCII_HRRQ_UPDATED), | |
214777ba | 7858 | ioa_cfg->regs.clr_interrupt_mask_reg32); |
1da177e4 LT |
7859 | int_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg); |
7860 | return IPR_RC_JOB_CONTINUE; | |
7861 | } | |
7862 | ||
7863 | /* Enable destructive diagnostics on IOA */ | |
214777ba WB |
7864 | writel(ioa_cfg->doorbell, ioa_cfg->regs.set_uproc_interrupt_reg32); |
7865 | ||
7be96900 WB |
7866 | if (ioa_cfg->sis64) { |
7867 | maskval = IPR_PCII_IPL_STAGE_CHANGE; | |
7868 | maskval = (maskval << 32) | IPR_PCII_OPER_INTERRUPTS; | |
7869 | writeq(maskval, ioa_cfg->regs.clr_interrupt_mask_reg); | |
7870 | } else | |
7871 | writel(IPR_PCII_OPER_INTERRUPTS, ioa_cfg->regs.clr_interrupt_mask_reg32); | |
1da177e4 | 7872 | |
1da177e4 LT |
7873 | int_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg); |
7874 | ||
7875 | dev_info(&ioa_cfg->pdev->dev, "Initializing IOA.\n"); | |
7876 | ||
214777ba WB |
7877 | if (ioa_cfg->sis64) { |
7878 | ipr_cmd->job_step = ipr_reset_next_stage; | |
7879 | return IPR_RC_JOB_CONTINUE; | |
7880 | } | |
7881 | ||
1da177e4 | 7882 | ipr_cmd->timer.data = (unsigned long) ipr_cmd; |
5469cb5b | 7883 | ipr_cmd->timer.expires = jiffies + (ioa_cfg->transop_timeout * HZ); |
1da177e4 LT |
7884 | ipr_cmd->timer.function = (void (*)(unsigned long))ipr_oper_timeout; |
7885 | ipr_cmd->done = ipr_reset_ioa_job; | |
7886 | add_timer(&ipr_cmd->timer); | |
05a6538a | 7887 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_pending_q); |
1da177e4 LT |
7888 | |
7889 | LEAVE; | |
7890 | return IPR_RC_JOB_RETURN; | |
7891 | } | |
7892 | ||
7893 | /** | |
7894 | * ipr_reset_wait_for_dump - Wait for a dump to timeout. | |
7895 | * @ipr_cmd: ipr command struct | |
7896 | * | |
7897 | * This function is invoked when an adapter dump has run out | |
7898 | * of processing time. | |
7899 | * | |
7900 | * Return value: | |
7901 | * IPR_RC_JOB_CONTINUE | |
7902 | **/ | |
7903 | static int ipr_reset_wait_for_dump(struct ipr_cmnd *ipr_cmd) | |
7904 | { | |
7905 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7906 | ||
7907 | if (ioa_cfg->sdt_state == GET_DUMP) | |
41e9a696 BK |
7908 | ioa_cfg->sdt_state = WAIT_FOR_DUMP; |
7909 | else if (ioa_cfg->sdt_state == READ_DUMP) | |
1da177e4 LT |
7910 | ioa_cfg->sdt_state = ABORT_DUMP; |
7911 | ||
4c647e90 | 7912 | ioa_cfg->dump_timeout = 1; |
1da177e4 LT |
7913 | ipr_cmd->job_step = ipr_reset_alert; |
7914 | ||
7915 | return IPR_RC_JOB_CONTINUE; | |
7916 | } | |
7917 | ||
7918 | /** | |
7919 | * ipr_unit_check_no_data - Log a unit check/no data error log | |
7920 | * @ioa_cfg: ioa config struct | |
7921 | * | |
7922 | * Logs an error indicating the adapter unit checked, but for some | |
7923 | * reason, we were unable to fetch the unit check buffer. | |
7924 | * | |
7925 | * Return value: | |
7926 | * nothing | |
7927 | **/ | |
7928 | static void ipr_unit_check_no_data(struct ipr_ioa_cfg *ioa_cfg) | |
7929 | { | |
7930 | ioa_cfg->errors_logged++; | |
7931 | dev_err(&ioa_cfg->pdev->dev, "IOA unit check with no data\n"); | |
7932 | } | |
7933 | ||
7934 | /** | |
7935 | * ipr_get_unit_check_buffer - Get the unit check buffer from the IOA | |
7936 | * @ioa_cfg: ioa config struct | |
7937 | * | |
7938 | * Fetches the unit check buffer from the adapter by clocking the data | |
7939 | * through the mailbox register. | |
7940 | * | |
7941 | * Return value: | |
7942 | * nothing | |
7943 | **/ | |
7944 | static void ipr_get_unit_check_buffer(struct ipr_ioa_cfg *ioa_cfg) | |
7945 | { | |
7946 | unsigned long mailbox; | |
7947 | struct ipr_hostrcb *hostrcb; | |
7948 | struct ipr_uc_sdt sdt; | |
7949 | int rc, length; | |
65f56475 | 7950 | u32 ioasc; |
1da177e4 LT |
7951 | |
7952 | mailbox = readl(ioa_cfg->ioa_mailbox); | |
7953 | ||
dcbad00e | 7954 | if (!ioa_cfg->sis64 && !ipr_sdt_is_fmt2(mailbox)) { |
1da177e4 LT |
7955 | ipr_unit_check_no_data(ioa_cfg); |
7956 | return; | |
7957 | } | |
7958 | ||
7959 | memset(&sdt, 0, sizeof(struct ipr_uc_sdt)); | |
7960 | rc = ipr_get_ldump_data_section(ioa_cfg, mailbox, (__be32 *) &sdt, | |
7961 | (sizeof(struct ipr_uc_sdt)) / sizeof(__be32)); | |
7962 | ||
dcbad00e WB |
7963 | if (rc || !(sdt.entry[0].flags & IPR_SDT_VALID_ENTRY) || |
7964 | ((be32_to_cpu(sdt.hdr.state) != IPR_FMT3_SDT_READY_TO_USE) && | |
7965 | (be32_to_cpu(sdt.hdr.state) != IPR_FMT2_SDT_READY_TO_USE))) { | |
1da177e4 LT |
7966 | ipr_unit_check_no_data(ioa_cfg); |
7967 | return; | |
7968 | } | |
7969 | ||
7970 | /* Find length of the first sdt entry (UC buffer) */ | |
dcbad00e WB |
7971 | if (be32_to_cpu(sdt.hdr.state) == IPR_FMT3_SDT_READY_TO_USE) |
7972 | length = be32_to_cpu(sdt.entry[0].end_token); | |
7973 | else | |
7974 | length = (be32_to_cpu(sdt.entry[0].end_token) - | |
7975 | be32_to_cpu(sdt.entry[0].start_token)) & | |
7976 | IPR_FMT2_MBX_ADDR_MASK; | |
1da177e4 LT |
7977 | |
7978 | hostrcb = list_entry(ioa_cfg->hostrcb_free_q.next, | |
7979 | struct ipr_hostrcb, queue); | |
7980 | list_del(&hostrcb->queue); | |
7981 | memset(&hostrcb->hcam, 0, sizeof(hostrcb->hcam)); | |
7982 | ||
7983 | rc = ipr_get_ldump_data_section(ioa_cfg, | |
dcbad00e | 7984 | be32_to_cpu(sdt.entry[0].start_token), |
1da177e4 LT |
7985 | (__be32 *)&hostrcb->hcam, |
7986 | min(length, (int)sizeof(hostrcb->hcam)) / sizeof(__be32)); | |
7987 | ||
65f56475 | 7988 | if (!rc) { |
1da177e4 | 7989 | ipr_handle_log_data(ioa_cfg, hostrcb); |
4565e370 | 7990 | ioasc = be32_to_cpu(hostrcb->hcam.u.error.fd_ioasc); |
65f56475 BK |
7991 | if (ioasc == IPR_IOASC_NR_IOA_RESET_REQUIRED && |
7992 | ioa_cfg->sdt_state == GET_DUMP) | |
7993 | ioa_cfg->sdt_state = WAIT_FOR_DUMP; | |
7994 | } else | |
1da177e4 LT |
7995 | ipr_unit_check_no_data(ioa_cfg); |
7996 | ||
7997 | list_add_tail(&hostrcb->queue, &ioa_cfg->hostrcb_free_q); | |
7998 | } | |
7999 | ||
110def85 WB |
8000 | /** |
8001 | * ipr_reset_get_unit_check_job - Call to get the unit check buffer. | |
8002 | * @ipr_cmd: ipr command struct | |
8003 | * | |
8004 | * Description: This function will call to get the unit check buffer. | |
8005 | * | |
8006 | * Return value: | |
8007 | * IPR_RC_JOB_RETURN | |
8008 | **/ | |
8009 | static int ipr_reset_get_unit_check_job(struct ipr_cmnd *ipr_cmd) | |
8010 | { | |
8011 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
8012 | ||
8013 | ENTER; | |
8014 | ioa_cfg->ioa_unit_checked = 0; | |
8015 | ipr_get_unit_check_buffer(ioa_cfg); | |
8016 | ipr_cmd->job_step = ipr_reset_alert; | |
8017 | ipr_reset_start_timer(ipr_cmd, 0); | |
8018 | ||
8019 | LEAVE; | |
8020 | return IPR_RC_JOB_RETURN; | |
8021 | } | |
8022 | ||
1da177e4 LT |
8023 | /** |
8024 | * ipr_reset_restore_cfg_space - Restore PCI config space. | |
8025 | * @ipr_cmd: ipr command struct | |
8026 | * | |
8027 | * Description: This function restores the saved PCI config space of | |
8028 | * the adapter, fails all outstanding ops back to the callers, and | |
8029 | * fetches the dump/unit check if applicable to this reset. | |
8030 | * | |
8031 | * Return value: | |
8032 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
8033 | **/ | |
8034 | static int ipr_reset_restore_cfg_space(struct ipr_cmnd *ipr_cmd) | |
8035 | { | |
8036 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
630ad831 | 8037 | u32 int_reg; |
1da177e4 LT |
8038 | |
8039 | ENTER; | |
99c965dd | 8040 | ioa_cfg->pdev->state_saved = true; |
1d3c16a8 | 8041 | pci_restore_state(ioa_cfg->pdev); |
1da177e4 LT |
8042 | |
8043 | if (ipr_set_pcix_cmd_reg(ioa_cfg)) { | |
96d21f00 | 8044 | ipr_cmd->s.ioasa.hdr.ioasc = cpu_to_be32(IPR_IOASC_PCI_ACCESS_ERROR); |
1da177e4 LT |
8045 | return IPR_RC_JOB_CONTINUE; |
8046 | } | |
8047 | ||
8048 | ipr_fail_all_ops(ioa_cfg); | |
8049 | ||
8701f185 WB |
8050 | if (ioa_cfg->sis64) { |
8051 | /* Set the adapter to the correct endian mode. */ | |
8052 | writel(IPR_ENDIAN_SWAP_KEY, ioa_cfg->regs.endian_swap_reg); | |
8053 | int_reg = readl(ioa_cfg->regs.endian_swap_reg); | |
8054 | } | |
8055 | ||
1da177e4 | 8056 | if (ioa_cfg->ioa_unit_checked) { |
110def85 WB |
8057 | if (ioa_cfg->sis64) { |
8058 | ipr_cmd->job_step = ipr_reset_get_unit_check_job; | |
8059 | ipr_reset_start_timer(ipr_cmd, IPR_DUMP_DELAY_TIMEOUT); | |
8060 | return IPR_RC_JOB_RETURN; | |
8061 | } else { | |
8062 | ioa_cfg->ioa_unit_checked = 0; | |
8063 | ipr_get_unit_check_buffer(ioa_cfg); | |
8064 | ipr_cmd->job_step = ipr_reset_alert; | |
8065 | ipr_reset_start_timer(ipr_cmd, 0); | |
8066 | return IPR_RC_JOB_RETURN; | |
8067 | } | |
1da177e4 LT |
8068 | } |
8069 | ||
8070 | if (ioa_cfg->in_ioa_bringdown) { | |
8071 | ipr_cmd->job_step = ipr_ioa_bringdown_done; | |
8072 | } else { | |
8073 | ipr_cmd->job_step = ipr_reset_enable_ioa; | |
8074 | ||
8075 | if (GET_DUMP == ioa_cfg->sdt_state) { | |
41e9a696 | 8076 | ioa_cfg->sdt_state = READ_DUMP; |
4c647e90 | 8077 | ioa_cfg->dump_timeout = 0; |
4d4dd706 KSS |
8078 | if (ioa_cfg->sis64) |
8079 | ipr_reset_start_timer(ipr_cmd, IPR_SIS64_DUMP_TIMEOUT); | |
8080 | else | |
8081 | ipr_reset_start_timer(ipr_cmd, IPR_SIS32_DUMP_TIMEOUT); | |
1da177e4 LT |
8082 | ipr_cmd->job_step = ipr_reset_wait_for_dump; |
8083 | schedule_work(&ioa_cfg->work_q); | |
8084 | return IPR_RC_JOB_RETURN; | |
8085 | } | |
8086 | } | |
8087 | ||
438b0331 | 8088 | LEAVE; |
1da177e4 LT |
8089 | return IPR_RC_JOB_CONTINUE; |
8090 | } | |
8091 | ||
e619e1a7 BK |
8092 | /** |
8093 | * ipr_reset_bist_done - BIST has completed on the adapter. | |
8094 | * @ipr_cmd: ipr command struct | |
8095 | * | |
8096 | * Description: Unblock config space and resume the reset process. | |
8097 | * | |
8098 | * Return value: | |
8099 | * IPR_RC_JOB_CONTINUE | |
8100 | **/ | |
8101 | static int ipr_reset_bist_done(struct ipr_cmnd *ipr_cmd) | |
8102 | { | |
fb51ccbf JK |
8103 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; |
8104 | ||
e619e1a7 | 8105 | ENTER; |
fb51ccbf JK |
8106 | if (ioa_cfg->cfg_locked) |
8107 | pci_cfg_access_unlock(ioa_cfg->pdev); | |
8108 | ioa_cfg->cfg_locked = 0; | |
e619e1a7 BK |
8109 | ipr_cmd->job_step = ipr_reset_restore_cfg_space; |
8110 | LEAVE; | |
8111 | return IPR_RC_JOB_CONTINUE; | |
8112 | } | |
8113 | ||
1da177e4 LT |
8114 | /** |
8115 | * ipr_reset_start_bist - Run BIST on the adapter. | |
8116 | * @ipr_cmd: ipr command struct | |
8117 | * | |
8118 | * Description: This function runs BIST on the adapter, then delays 2 seconds. | |
8119 | * | |
8120 | * Return value: | |
8121 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
8122 | **/ | |
8123 | static int ipr_reset_start_bist(struct ipr_cmnd *ipr_cmd) | |
8124 | { | |
8125 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
cb237ef7 | 8126 | int rc = PCIBIOS_SUCCESSFUL; |
1da177e4 LT |
8127 | |
8128 | ENTER; | |
cb237ef7 WB |
8129 | if (ioa_cfg->ipr_chip->bist_method == IPR_MMIO) |
8130 | writel(IPR_UPROCI_SIS64_START_BIST, | |
8131 | ioa_cfg->regs.set_uproc_interrupt_reg32); | |
8132 | else | |
8133 | rc = pci_write_config_byte(ioa_cfg->pdev, PCI_BIST, PCI_BIST_START); | |
8134 | ||
8135 | if (rc == PCIBIOS_SUCCESSFUL) { | |
e619e1a7 | 8136 | ipr_cmd->job_step = ipr_reset_bist_done; |
1da177e4 LT |
8137 | ipr_reset_start_timer(ipr_cmd, IPR_WAIT_FOR_BIST_TIMEOUT); |
8138 | rc = IPR_RC_JOB_RETURN; | |
cb237ef7 | 8139 | } else { |
fb51ccbf JK |
8140 | if (ioa_cfg->cfg_locked) |
8141 | pci_cfg_access_unlock(ipr_cmd->ioa_cfg->pdev); | |
8142 | ioa_cfg->cfg_locked = 0; | |
cb237ef7 WB |
8143 | ipr_cmd->s.ioasa.hdr.ioasc = cpu_to_be32(IPR_IOASC_PCI_ACCESS_ERROR); |
8144 | rc = IPR_RC_JOB_CONTINUE; | |
1da177e4 LT |
8145 | } |
8146 | ||
8147 | LEAVE; | |
8148 | return rc; | |
8149 | } | |
8150 | ||
463fc696 BK |
8151 | /** |
8152 | * ipr_reset_slot_reset_done - Clear PCI reset to the adapter | |
8153 | * @ipr_cmd: ipr command struct | |
8154 | * | |
8155 | * Description: This clears PCI reset to the adapter and delays two seconds. | |
8156 | * | |
8157 | * Return value: | |
8158 | * IPR_RC_JOB_RETURN | |
8159 | **/ | |
8160 | static int ipr_reset_slot_reset_done(struct ipr_cmnd *ipr_cmd) | |
8161 | { | |
8162 | ENTER; | |
8163 | pci_set_pcie_reset_state(ipr_cmd->ioa_cfg->pdev, pcie_deassert_reset); | |
8164 | ipr_cmd->job_step = ipr_reset_bist_done; | |
8165 | ipr_reset_start_timer(ipr_cmd, IPR_WAIT_FOR_BIST_TIMEOUT); | |
8166 | LEAVE; | |
8167 | return IPR_RC_JOB_RETURN; | |
8168 | } | |
8169 | ||
8170 | /** | |
8171 | * ipr_reset_slot_reset - Reset the PCI slot of the adapter. | |
8172 | * @ipr_cmd: ipr command struct | |
8173 | * | |
8174 | * Description: This asserts PCI reset to the adapter. | |
8175 | * | |
8176 | * Return value: | |
8177 | * IPR_RC_JOB_RETURN | |
8178 | **/ | |
8179 | static int ipr_reset_slot_reset(struct ipr_cmnd *ipr_cmd) | |
8180 | { | |
8181 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
8182 | struct pci_dev *pdev = ioa_cfg->pdev; | |
8183 | ||
8184 | ENTER; | |
463fc696 BK |
8185 | pci_set_pcie_reset_state(pdev, pcie_warm_reset); |
8186 | ipr_cmd->job_step = ipr_reset_slot_reset_done; | |
8187 | ipr_reset_start_timer(ipr_cmd, IPR_PCI_RESET_TIMEOUT); | |
8188 | LEAVE; | |
8189 | return IPR_RC_JOB_RETURN; | |
8190 | } | |
8191 | ||
fb51ccbf JK |
8192 | /** |
8193 | * ipr_reset_block_config_access_wait - Wait for permission to block config access | |
8194 | * @ipr_cmd: ipr command struct | |
8195 | * | |
8196 | * Description: This attempts to block config access to the IOA. | |
8197 | * | |
8198 | * Return value: | |
8199 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
8200 | **/ | |
8201 | static int ipr_reset_block_config_access_wait(struct ipr_cmnd *ipr_cmd) | |
8202 | { | |
8203 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
8204 | int rc = IPR_RC_JOB_CONTINUE; | |
8205 | ||
8206 | if (pci_cfg_access_trylock(ioa_cfg->pdev)) { | |
8207 | ioa_cfg->cfg_locked = 1; | |
8208 | ipr_cmd->job_step = ioa_cfg->reset; | |
8209 | } else { | |
8210 | if (ipr_cmd->u.time_left) { | |
8211 | rc = IPR_RC_JOB_RETURN; | |
8212 | ipr_cmd->u.time_left -= IPR_CHECK_FOR_RESET_TIMEOUT; | |
8213 | ipr_reset_start_timer(ipr_cmd, | |
8214 | IPR_CHECK_FOR_RESET_TIMEOUT); | |
8215 | } else { | |
8216 | ipr_cmd->job_step = ioa_cfg->reset; | |
8217 | dev_err(&ioa_cfg->pdev->dev, | |
8218 | "Timed out waiting to lock config access. Resetting anyway.\n"); | |
8219 | } | |
8220 | } | |
8221 | ||
8222 | return rc; | |
8223 | } | |
8224 | ||
8225 | /** | |
8226 | * ipr_reset_block_config_access - Block config access to the IOA | |
8227 | * @ipr_cmd: ipr command struct | |
8228 | * | |
8229 | * Description: This attempts to block config access to the IOA | |
8230 | * | |
8231 | * Return value: | |
8232 | * IPR_RC_JOB_CONTINUE | |
8233 | **/ | |
8234 | static int ipr_reset_block_config_access(struct ipr_cmnd *ipr_cmd) | |
8235 | { | |
8236 | ipr_cmd->ioa_cfg->cfg_locked = 0; | |
8237 | ipr_cmd->job_step = ipr_reset_block_config_access_wait; | |
8238 | ipr_cmd->u.time_left = IPR_WAIT_FOR_RESET_TIMEOUT; | |
8239 | return IPR_RC_JOB_CONTINUE; | |
8240 | } | |
8241 | ||
1da177e4 LT |
8242 | /** |
8243 | * ipr_reset_allowed - Query whether or not IOA can be reset | |
8244 | * @ioa_cfg: ioa config struct | |
8245 | * | |
8246 | * Return value: | |
8247 | * 0 if reset not allowed / non-zero if reset is allowed | |
8248 | **/ | |
8249 | static int ipr_reset_allowed(struct ipr_ioa_cfg *ioa_cfg) | |
8250 | { | |
8251 | volatile u32 temp_reg; | |
8252 | ||
8253 | temp_reg = readl(ioa_cfg->regs.sense_interrupt_reg); | |
8254 | return ((temp_reg & IPR_PCII_CRITICAL_OPERATION) == 0); | |
8255 | } | |
8256 | ||
8257 | /** | |
8258 | * ipr_reset_wait_to_start_bist - Wait for permission to reset IOA. | |
8259 | * @ipr_cmd: ipr command struct | |
8260 | * | |
8261 | * Description: This function waits for adapter permission to run BIST, | |
8262 | * then runs BIST. If the adapter does not give permission after a | |
8263 | * reasonable time, we will reset the adapter anyway. The impact of | |
8264 | * resetting the adapter without warning the adapter is the risk of | |
8265 | * losing the persistent error log on the adapter. If the adapter is | |
8266 | * reset while it is writing to the flash on the adapter, the flash | |
8267 | * segment will have bad ECC and be zeroed. | |
8268 | * | |
8269 | * Return value: | |
8270 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
8271 | **/ | |
8272 | static int ipr_reset_wait_to_start_bist(struct ipr_cmnd *ipr_cmd) | |
8273 | { | |
8274 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
8275 | int rc = IPR_RC_JOB_RETURN; | |
8276 | ||
8277 | if (!ipr_reset_allowed(ioa_cfg) && ipr_cmd->u.time_left) { | |
8278 | ipr_cmd->u.time_left -= IPR_CHECK_FOR_RESET_TIMEOUT; | |
8279 | ipr_reset_start_timer(ipr_cmd, IPR_CHECK_FOR_RESET_TIMEOUT); | |
8280 | } else { | |
fb51ccbf | 8281 | ipr_cmd->job_step = ipr_reset_block_config_access; |
1da177e4 LT |
8282 | rc = IPR_RC_JOB_CONTINUE; |
8283 | } | |
8284 | ||
8285 | return rc; | |
8286 | } | |
8287 | ||
8288 | /** | |
8701f185 | 8289 | * ipr_reset_alert - Alert the adapter of a pending reset |
1da177e4 LT |
8290 | * @ipr_cmd: ipr command struct |
8291 | * | |
8292 | * Description: This function alerts the adapter that it will be reset. | |
8293 | * If memory space is not currently enabled, proceed directly | |
8294 | * to running BIST on the adapter. The timer must always be started | |
8295 | * so we guarantee we do not run BIST from ipr_isr. | |
8296 | * | |
8297 | * Return value: | |
8298 | * IPR_RC_JOB_RETURN | |
8299 | **/ | |
8300 | static int ipr_reset_alert(struct ipr_cmnd *ipr_cmd) | |
8301 | { | |
8302 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
8303 | u16 cmd_reg; | |
8304 | int rc; | |
8305 | ||
8306 | ENTER; | |
8307 | rc = pci_read_config_word(ioa_cfg->pdev, PCI_COMMAND, &cmd_reg); | |
8308 | ||
8309 | if ((rc == PCIBIOS_SUCCESSFUL) && (cmd_reg & PCI_COMMAND_MEMORY)) { | |
8310 | ipr_mask_and_clear_interrupts(ioa_cfg, ~0); | |
214777ba | 8311 | writel(IPR_UPROCI_RESET_ALERT, ioa_cfg->regs.set_uproc_interrupt_reg32); |
1da177e4 LT |
8312 | ipr_cmd->job_step = ipr_reset_wait_to_start_bist; |
8313 | } else { | |
fb51ccbf | 8314 | ipr_cmd->job_step = ipr_reset_block_config_access; |
1da177e4 LT |
8315 | } |
8316 | ||
8317 | ipr_cmd->u.time_left = IPR_WAIT_FOR_RESET_TIMEOUT; | |
8318 | ipr_reset_start_timer(ipr_cmd, IPR_CHECK_FOR_RESET_TIMEOUT); | |
8319 | ||
8320 | LEAVE; | |
8321 | return IPR_RC_JOB_RETURN; | |
8322 | } | |
8323 | ||
8324 | /** | |
8325 | * ipr_reset_ucode_download_done - Microcode download completion | |
8326 | * @ipr_cmd: ipr command struct | |
8327 | * | |
8328 | * Description: This function unmaps the microcode download buffer. | |
8329 | * | |
8330 | * Return value: | |
8331 | * IPR_RC_JOB_CONTINUE | |
8332 | **/ | |
8333 | static int ipr_reset_ucode_download_done(struct ipr_cmnd *ipr_cmd) | |
8334 | { | |
8335 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
8336 | struct ipr_sglist *sglist = ioa_cfg->ucode_sglist; | |
8337 | ||
8338 | pci_unmap_sg(ioa_cfg->pdev, sglist->scatterlist, | |
8339 | sglist->num_sg, DMA_TO_DEVICE); | |
8340 | ||
8341 | ipr_cmd->job_step = ipr_reset_alert; | |
8342 | return IPR_RC_JOB_CONTINUE; | |
8343 | } | |
8344 | ||
8345 | /** | |
8346 | * ipr_reset_ucode_download - Download microcode to the adapter | |
8347 | * @ipr_cmd: ipr command struct | |
8348 | * | |
8349 | * Description: This function checks to see if it there is microcode | |
8350 | * to download to the adapter. If there is, a download is performed. | |
8351 | * | |
8352 | * Return value: | |
8353 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
8354 | **/ | |
8355 | static int ipr_reset_ucode_download(struct ipr_cmnd *ipr_cmd) | |
8356 | { | |
8357 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
8358 | struct ipr_sglist *sglist = ioa_cfg->ucode_sglist; | |
8359 | ||
8360 | ENTER; | |
8361 | ipr_cmd->job_step = ipr_reset_alert; | |
8362 | ||
8363 | if (!sglist) | |
8364 | return IPR_RC_JOB_CONTINUE; | |
8365 | ||
8366 | ipr_cmd->ioarcb.res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE); | |
8367 | ipr_cmd->ioarcb.cmd_pkt.request_type = IPR_RQTYPE_SCSICDB; | |
8368 | ipr_cmd->ioarcb.cmd_pkt.cdb[0] = WRITE_BUFFER; | |
8369 | ipr_cmd->ioarcb.cmd_pkt.cdb[1] = IPR_WR_BUF_DOWNLOAD_AND_SAVE; | |
8370 | ipr_cmd->ioarcb.cmd_pkt.cdb[6] = (sglist->buffer_len & 0xff0000) >> 16; | |
8371 | ipr_cmd->ioarcb.cmd_pkt.cdb[7] = (sglist->buffer_len & 0x00ff00) >> 8; | |
8372 | ipr_cmd->ioarcb.cmd_pkt.cdb[8] = sglist->buffer_len & 0x0000ff; | |
8373 | ||
a32c055f WB |
8374 | if (ioa_cfg->sis64) |
8375 | ipr_build_ucode_ioadl64(ipr_cmd, sglist); | |
8376 | else | |
8377 | ipr_build_ucode_ioadl(ipr_cmd, sglist); | |
1da177e4 LT |
8378 | ipr_cmd->job_step = ipr_reset_ucode_download_done; |
8379 | ||
8380 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, | |
8381 | IPR_WRITE_BUFFER_TIMEOUT); | |
8382 | ||
8383 | LEAVE; | |
8384 | return IPR_RC_JOB_RETURN; | |
8385 | } | |
8386 | ||
8387 | /** | |
8388 | * ipr_reset_shutdown_ioa - Shutdown the adapter | |
8389 | * @ipr_cmd: ipr command struct | |
8390 | * | |
8391 | * Description: This function issues an adapter shutdown of the | |
8392 | * specified type to the specified adapter as part of the | |
8393 | * adapter reset job. | |
8394 | * | |
8395 | * Return value: | |
8396 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
8397 | **/ | |
8398 | static int ipr_reset_shutdown_ioa(struct ipr_cmnd *ipr_cmd) | |
8399 | { | |
8400 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
8401 | enum ipr_shutdown_type shutdown_type = ipr_cmd->u.shutdown_type; | |
8402 | unsigned long timeout; | |
8403 | int rc = IPR_RC_JOB_CONTINUE; | |
8404 | ||
8405 | ENTER; | |
56d6aa33 | 8406 | if (shutdown_type != IPR_SHUTDOWN_NONE && |
8407 | !ioa_cfg->hrrq[IPR_INIT_HRRQ].ioa_is_dead) { | |
1da177e4 LT |
8408 | ipr_cmd->ioarcb.res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE); |
8409 | ipr_cmd->ioarcb.cmd_pkt.request_type = IPR_RQTYPE_IOACMD; | |
8410 | ipr_cmd->ioarcb.cmd_pkt.cdb[0] = IPR_IOA_SHUTDOWN; | |
8411 | ipr_cmd->ioarcb.cmd_pkt.cdb[1] = shutdown_type; | |
8412 | ||
ac09c349 BK |
8413 | if (shutdown_type == IPR_SHUTDOWN_NORMAL) |
8414 | timeout = IPR_SHUTDOWN_TIMEOUT; | |
1da177e4 LT |
8415 | else if (shutdown_type == IPR_SHUTDOWN_PREPARE_FOR_NORMAL) |
8416 | timeout = IPR_INTERNAL_TIMEOUT; | |
ac09c349 BK |
8417 | else if (ioa_cfg->dual_raid && ipr_dual_ioa_raid) |
8418 | timeout = IPR_DUAL_IOA_ABBR_SHUTDOWN_TO; | |
1da177e4 | 8419 | else |
ac09c349 | 8420 | timeout = IPR_ABBREV_SHUTDOWN_TIMEOUT; |
1da177e4 LT |
8421 | |
8422 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, timeout); | |
8423 | ||
8424 | rc = IPR_RC_JOB_RETURN; | |
8425 | ipr_cmd->job_step = ipr_reset_ucode_download; | |
8426 | } else | |
8427 | ipr_cmd->job_step = ipr_reset_alert; | |
8428 | ||
8429 | LEAVE; | |
8430 | return rc; | |
8431 | } | |
8432 | ||
8433 | /** | |
8434 | * ipr_reset_ioa_job - Adapter reset job | |
8435 | * @ipr_cmd: ipr command struct | |
8436 | * | |
8437 | * Description: This function is the job router for the adapter reset job. | |
8438 | * | |
8439 | * Return value: | |
8440 | * none | |
8441 | **/ | |
8442 | static void ipr_reset_ioa_job(struct ipr_cmnd *ipr_cmd) | |
8443 | { | |
8444 | u32 rc, ioasc; | |
1da177e4 LT |
8445 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; |
8446 | ||
8447 | do { | |
96d21f00 | 8448 | ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
1da177e4 LT |
8449 | |
8450 | if (ioa_cfg->reset_cmd != ipr_cmd) { | |
8451 | /* | |
8452 | * We are doing nested adapter resets and this is | |
8453 | * not the current reset job. | |
8454 | */ | |
05a6538a | 8455 | list_add_tail(&ipr_cmd->queue, |
8456 | &ipr_cmd->hrrq->hrrq_free_q); | |
1da177e4 LT |
8457 | return; |
8458 | } | |
8459 | ||
8460 | if (IPR_IOASC_SENSE_KEY(ioasc)) { | |
dfed823e BK |
8461 | rc = ipr_cmd->job_step_failed(ipr_cmd); |
8462 | if (rc == IPR_RC_JOB_RETURN) | |
8463 | return; | |
1da177e4 LT |
8464 | } |
8465 | ||
8466 | ipr_reinit_ipr_cmnd(ipr_cmd); | |
dfed823e | 8467 | ipr_cmd->job_step_failed = ipr_reset_cmd_failed; |
1da177e4 | 8468 | rc = ipr_cmd->job_step(ipr_cmd); |
203fa3fe | 8469 | } while (rc == IPR_RC_JOB_CONTINUE); |
1da177e4 LT |
8470 | } |
8471 | ||
8472 | /** | |
8473 | * _ipr_initiate_ioa_reset - Initiate an adapter reset | |
8474 | * @ioa_cfg: ioa config struct | |
8475 | * @job_step: first job step of reset job | |
8476 | * @shutdown_type: shutdown type | |
8477 | * | |
8478 | * Description: This function will initiate the reset of the given adapter | |
8479 | * starting at the selected job step. | |
8480 | * If the caller needs to wait on the completion of the reset, | |
8481 | * the caller must sleep on the reset_wait_q. | |
8482 | * | |
8483 | * Return value: | |
8484 | * none | |
8485 | **/ | |
8486 | static void _ipr_initiate_ioa_reset(struct ipr_ioa_cfg *ioa_cfg, | |
8487 | int (*job_step) (struct ipr_cmnd *), | |
8488 | enum ipr_shutdown_type shutdown_type) | |
8489 | { | |
8490 | struct ipr_cmnd *ipr_cmd; | |
56d6aa33 | 8491 | int i; |
1da177e4 LT |
8492 | |
8493 | ioa_cfg->in_reset_reload = 1; | |
56d6aa33 | 8494 | for (i = 0; i < ioa_cfg->hrrq_num; i++) { |
8495 | spin_lock(&ioa_cfg->hrrq[i]._lock); | |
8496 | ioa_cfg->hrrq[i].allow_cmds = 0; | |
8497 | spin_unlock(&ioa_cfg->hrrq[i]._lock); | |
8498 | } | |
8499 | wmb(); | |
bfae7820 BK |
8500 | if (!ioa_cfg->hrrq[IPR_INIT_HRRQ].removing_ioa) |
8501 | scsi_block_requests(ioa_cfg->host); | |
1da177e4 LT |
8502 | |
8503 | ipr_cmd = ipr_get_free_ipr_cmnd(ioa_cfg); | |
8504 | ioa_cfg->reset_cmd = ipr_cmd; | |
8505 | ipr_cmd->job_step = job_step; | |
8506 | ipr_cmd->u.shutdown_type = shutdown_type; | |
8507 | ||
8508 | ipr_reset_ioa_job(ipr_cmd); | |
8509 | } | |
8510 | ||
8511 | /** | |
8512 | * ipr_initiate_ioa_reset - Initiate an adapter reset | |
8513 | * @ioa_cfg: ioa config struct | |
8514 | * @shutdown_type: shutdown type | |
8515 | * | |
8516 | * Description: This function will initiate the reset of the given adapter. | |
8517 | * If the caller needs to wait on the completion of the reset, | |
8518 | * the caller must sleep on the reset_wait_q. | |
8519 | * | |
8520 | * Return value: | |
8521 | * none | |
8522 | **/ | |
8523 | static void ipr_initiate_ioa_reset(struct ipr_ioa_cfg *ioa_cfg, | |
8524 | enum ipr_shutdown_type shutdown_type) | |
8525 | { | |
56d6aa33 | 8526 | int i; |
8527 | ||
8528 | if (ioa_cfg->hrrq[IPR_INIT_HRRQ].ioa_is_dead) | |
1da177e4 LT |
8529 | return; |
8530 | ||
41e9a696 BK |
8531 | if (ioa_cfg->in_reset_reload) { |
8532 | if (ioa_cfg->sdt_state == GET_DUMP) | |
8533 | ioa_cfg->sdt_state = WAIT_FOR_DUMP; | |
8534 | else if (ioa_cfg->sdt_state == READ_DUMP) | |
8535 | ioa_cfg->sdt_state = ABORT_DUMP; | |
8536 | } | |
1da177e4 LT |
8537 | |
8538 | if (ioa_cfg->reset_retries++ >= IPR_NUM_RESET_RELOAD_RETRIES) { | |
8539 | dev_err(&ioa_cfg->pdev->dev, | |
8540 | "IOA taken offline - error recovery failed\n"); | |
8541 | ||
8542 | ioa_cfg->reset_retries = 0; | |
56d6aa33 | 8543 | for (i = 0; i < ioa_cfg->hrrq_num; i++) { |
8544 | spin_lock(&ioa_cfg->hrrq[i]._lock); | |
8545 | ioa_cfg->hrrq[i].ioa_is_dead = 1; | |
8546 | spin_unlock(&ioa_cfg->hrrq[i]._lock); | |
8547 | } | |
8548 | wmb(); | |
1da177e4 LT |
8549 | |
8550 | if (ioa_cfg->in_ioa_bringdown) { | |
8551 | ioa_cfg->reset_cmd = NULL; | |
8552 | ioa_cfg->in_reset_reload = 0; | |
8553 | ipr_fail_all_ops(ioa_cfg); | |
8554 | wake_up_all(&ioa_cfg->reset_wait_q); | |
8555 | ||
bfae7820 BK |
8556 | if (!ioa_cfg->hrrq[IPR_INIT_HRRQ].removing_ioa) { |
8557 | spin_unlock_irq(ioa_cfg->host->host_lock); | |
8558 | scsi_unblock_requests(ioa_cfg->host); | |
8559 | spin_lock_irq(ioa_cfg->host->host_lock); | |
8560 | } | |
1da177e4 LT |
8561 | return; |
8562 | } else { | |
8563 | ioa_cfg->in_ioa_bringdown = 1; | |
8564 | shutdown_type = IPR_SHUTDOWN_NONE; | |
8565 | } | |
8566 | } | |
8567 | ||
8568 | _ipr_initiate_ioa_reset(ioa_cfg, ipr_reset_shutdown_ioa, | |
8569 | shutdown_type); | |
8570 | } | |
8571 | ||
f8a88b19 LV |
8572 | /** |
8573 | * ipr_reset_freeze - Hold off all I/O activity | |
8574 | * @ipr_cmd: ipr command struct | |
8575 | * | |
8576 | * Description: If the PCI slot is frozen, hold off all I/O | |
8577 | * activity; then, as soon as the slot is available again, | |
8578 | * initiate an adapter reset. | |
8579 | */ | |
8580 | static int ipr_reset_freeze(struct ipr_cmnd *ipr_cmd) | |
8581 | { | |
56d6aa33 | 8582 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; |
8583 | int i; | |
8584 | ||
f8a88b19 | 8585 | /* Disallow new interrupts, avoid loop */ |
56d6aa33 | 8586 | for (i = 0; i < ioa_cfg->hrrq_num; i++) { |
8587 | spin_lock(&ioa_cfg->hrrq[i]._lock); | |
8588 | ioa_cfg->hrrq[i].allow_interrupts = 0; | |
8589 | spin_unlock(&ioa_cfg->hrrq[i]._lock); | |
8590 | } | |
8591 | wmb(); | |
05a6538a | 8592 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_pending_q); |
f8a88b19 LV |
8593 | ipr_cmd->done = ipr_reset_ioa_job; |
8594 | return IPR_RC_JOB_RETURN; | |
8595 | } | |
8596 | ||
8597 | /** | |
8598 | * ipr_pci_frozen - Called when slot has experienced a PCI bus error. | |
8599 | * @pdev: PCI device struct | |
8600 | * | |
8601 | * Description: This routine is called to tell us that the PCI bus | |
8602 | * is down. Can't do anything here, except put the device driver | |
8603 | * into a holding pattern, waiting for the PCI bus to come back. | |
8604 | */ | |
8605 | static void ipr_pci_frozen(struct pci_dev *pdev) | |
8606 | { | |
8607 | unsigned long flags = 0; | |
8608 | struct ipr_ioa_cfg *ioa_cfg = pci_get_drvdata(pdev); | |
8609 | ||
8610 | spin_lock_irqsave(ioa_cfg->host->host_lock, flags); | |
8611 | _ipr_initiate_ioa_reset(ioa_cfg, ipr_reset_freeze, IPR_SHUTDOWN_NONE); | |
8612 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); | |
8613 | } | |
8614 | ||
8615 | /** | |
8616 | * ipr_pci_slot_reset - Called when PCI slot has been reset. | |
8617 | * @pdev: PCI device struct | |
8618 | * | |
8619 | * Description: This routine is called by the pci error recovery | |
8620 | * code after the PCI slot has been reset, just before we | |
8621 | * should resume normal operations. | |
8622 | */ | |
8623 | static pci_ers_result_t ipr_pci_slot_reset(struct pci_dev *pdev) | |
8624 | { | |
8625 | unsigned long flags = 0; | |
8626 | struct ipr_ioa_cfg *ioa_cfg = pci_get_drvdata(pdev); | |
8627 | ||
8628 | spin_lock_irqsave(ioa_cfg->host->host_lock, flags); | |
463fc696 BK |
8629 | if (ioa_cfg->needs_warm_reset) |
8630 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); | |
8631 | else | |
8632 | _ipr_initiate_ioa_reset(ioa_cfg, ipr_reset_restore_cfg_space, | |
8633 | IPR_SHUTDOWN_NONE); | |
f8a88b19 LV |
8634 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); |
8635 | return PCI_ERS_RESULT_RECOVERED; | |
8636 | } | |
8637 | ||
8638 | /** | |
8639 | * ipr_pci_perm_failure - Called when PCI slot is dead for good. | |
8640 | * @pdev: PCI device struct | |
8641 | * | |
8642 | * Description: This routine is called when the PCI bus has | |
8643 | * permanently failed. | |
8644 | */ | |
8645 | static void ipr_pci_perm_failure(struct pci_dev *pdev) | |
8646 | { | |
8647 | unsigned long flags = 0; | |
8648 | struct ipr_ioa_cfg *ioa_cfg = pci_get_drvdata(pdev); | |
56d6aa33 | 8649 | int i; |
f8a88b19 LV |
8650 | |
8651 | spin_lock_irqsave(ioa_cfg->host->host_lock, flags); | |
8652 | if (ioa_cfg->sdt_state == WAIT_FOR_DUMP) | |
8653 | ioa_cfg->sdt_state = ABORT_DUMP; | |
8654 | ioa_cfg->reset_retries = IPR_NUM_RESET_RELOAD_RETRIES; | |
8655 | ioa_cfg->in_ioa_bringdown = 1; | |
56d6aa33 | 8656 | for (i = 0; i < ioa_cfg->hrrq_num; i++) { |
8657 | spin_lock(&ioa_cfg->hrrq[i]._lock); | |
8658 | ioa_cfg->hrrq[i].allow_cmds = 0; | |
8659 | spin_unlock(&ioa_cfg->hrrq[i]._lock); | |
8660 | } | |
8661 | wmb(); | |
f8a88b19 LV |
8662 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); |
8663 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); | |
8664 | } | |
8665 | ||
8666 | /** | |
8667 | * ipr_pci_error_detected - Called when a PCI error is detected. | |
8668 | * @pdev: PCI device struct | |
8669 | * @state: PCI channel state | |
8670 | * | |
8671 | * Description: Called when a PCI error is detected. | |
8672 | * | |
8673 | * Return value: | |
8674 | * PCI_ERS_RESULT_NEED_RESET or PCI_ERS_RESULT_DISCONNECT | |
8675 | */ | |
8676 | static pci_ers_result_t ipr_pci_error_detected(struct pci_dev *pdev, | |
8677 | pci_channel_state_t state) | |
8678 | { | |
8679 | switch (state) { | |
8680 | case pci_channel_io_frozen: | |
8681 | ipr_pci_frozen(pdev); | |
8682 | return PCI_ERS_RESULT_NEED_RESET; | |
8683 | case pci_channel_io_perm_failure: | |
8684 | ipr_pci_perm_failure(pdev); | |
8685 | return PCI_ERS_RESULT_DISCONNECT; | |
8686 | break; | |
8687 | default: | |
8688 | break; | |
8689 | } | |
8690 | return PCI_ERS_RESULT_NEED_RESET; | |
8691 | } | |
8692 | ||
1da177e4 LT |
8693 | /** |
8694 | * ipr_probe_ioa_part2 - Initializes IOAs found in ipr_probe_ioa(..) | |
8695 | * @ioa_cfg: ioa cfg struct | |
8696 | * | |
8697 | * Description: This is the second phase of adapter intialization | |
8698 | * This function takes care of initilizing the adapter to the point | |
8699 | * where it can accept new commands. | |
8700 | ||
8701 | * Return value: | |
b1c11812 | 8702 | * 0 on success / -EIO on failure |
1da177e4 | 8703 | **/ |
6f039790 | 8704 | static int ipr_probe_ioa_part2(struct ipr_ioa_cfg *ioa_cfg) |
1da177e4 LT |
8705 | { |
8706 | int rc = 0; | |
8707 | unsigned long host_lock_flags = 0; | |
8708 | ||
8709 | ENTER; | |
8710 | spin_lock_irqsave(ioa_cfg->host->host_lock, host_lock_flags); | |
8711 | dev_dbg(&ioa_cfg->pdev->dev, "ioa_cfg adx: 0x%p\n", ioa_cfg); | |
ce155cce BK |
8712 | if (ioa_cfg->needs_hard_reset) { |
8713 | ioa_cfg->needs_hard_reset = 0; | |
8714 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); | |
8715 | } else | |
8716 | _ipr_initiate_ioa_reset(ioa_cfg, ipr_reset_enable_ioa, | |
8717 | IPR_SHUTDOWN_NONE); | |
1da177e4 LT |
8718 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, host_lock_flags); |
8719 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
8720 | spin_lock_irqsave(ioa_cfg->host->host_lock, host_lock_flags); | |
8721 | ||
56d6aa33 | 8722 | if (ioa_cfg->hrrq[IPR_INIT_HRRQ].ioa_is_dead) { |
1da177e4 LT |
8723 | rc = -EIO; |
8724 | } else if (ipr_invalid_adapter(ioa_cfg)) { | |
8725 | if (!ipr_testmode) | |
8726 | rc = -EIO; | |
8727 | ||
8728 | dev_err(&ioa_cfg->pdev->dev, | |
8729 | "Adapter not supported in this hardware configuration.\n"); | |
8730 | } | |
8731 | ||
8732 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, host_lock_flags); | |
8733 | ||
8734 | LEAVE; | |
8735 | return rc; | |
8736 | } | |
8737 | ||
8738 | /** | |
8739 | * ipr_free_cmd_blks - Frees command blocks allocated for an adapter | |
8740 | * @ioa_cfg: ioa config struct | |
8741 | * | |
8742 | * Return value: | |
8743 | * none | |
8744 | **/ | |
8745 | static void ipr_free_cmd_blks(struct ipr_ioa_cfg *ioa_cfg) | |
8746 | { | |
8747 | int i; | |
8748 | ||
8749 | for (i = 0; i < IPR_NUM_CMD_BLKS; i++) { | |
8750 | if (ioa_cfg->ipr_cmnd_list[i]) | |
8751 | pci_pool_free(ioa_cfg->ipr_cmd_pool, | |
8752 | ioa_cfg->ipr_cmnd_list[i], | |
8753 | ioa_cfg->ipr_cmnd_list_dma[i]); | |
8754 | ||
8755 | ioa_cfg->ipr_cmnd_list[i] = NULL; | |
8756 | } | |
8757 | ||
8758 | if (ioa_cfg->ipr_cmd_pool) | |
203fa3fe | 8759 | pci_pool_destroy(ioa_cfg->ipr_cmd_pool); |
1da177e4 | 8760 | |
89aad428 BK |
8761 | kfree(ioa_cfg->ipr_cmnd_list); |
8762 | kfree(ioa_cfg->ipr_cmnd_list_dma); | |
8763 | ioa_cfg->ipr_cmnd_list = NULL; | |
8764 | ioa_cfg->ipr_cmnd_list_dma = NULL; | |
1da177e4 LT |
8765 | ioa_cfg->ipr_cmd_pool = NULL; |
8766 | } | |
8767 | ||
8768 | /** | |
8769 | * ipr_free_mem - Frees memory allocated for an adapter | |
8770 | * @ioa_cfg: ioa cfg struct | |
8771 | * | |
8772 | * Return value: | |
8773 | * nothing | |
8774 | **/ | |
8775 | static void ipr_free_mem(struct ipr_ioa_cfg *ioa_cfg) | |
8776 | { | |
8777 | int i; | |
8778 | ||
8779 | kfree(ioa_cfg->res_entries); | |
8780 | pci_free_consistent(ioa_cfg->pdev, sizeof(struct ipr_misc_cbs), | |
8781 | ioa_cfg->vpd_cbs, ioa_cfg->vpd_cbs_dma); | |
8782 | ipr_free_cmd_blks(ioa_cfg); | |
05a6538a | 8783 | |
8784 | for (i = 0; i < ioa_cfg->hrrq_num; i++) | |
8785 | pci_free_consistent(ioa_cfg->pdev, | |
8786 | sizeof(u32) * ioa_cfg->hrrq[i].size, | |
8787 | ioa_cfg->hrrq[i].host_rrq, | |
8788 | ioa_cfg->hrrq[i].host_rrq_dma); | |
8789 | ||
3e7ebdfa WB |
8790 | pci_free_consistent(ioa_cfg->pdev, ioa_cfg->cfg_table_size, |
8791 | ioa_cfg->u.cfg_table, | |
1da177e4 LT |
8792 | ioa_cfg->cfg_table_dma); |
8793 | ||
8794 | for (i = 0; i < IPR_NUM_HCAMS; i++) { | |
8795 | pci_free_consistent(ioa_cfg->pdev, | |
8796 | sizeof(struct ipr_hostrcb), | |
8797 | ioa_cfg->hostrcb[i], | |
8798 | ioa_cfg->hostrcb_dma[i]); | |
8799 | } | |
8800 | ||
8801 | ipr_free_dump(ioa_cfg); | |
1da177e4 LT |
8802 | kfree(ioa_cfg->trace); |
8803 | } | |
8804 | ||
8805 | /** | |
8806 | * ipr_free_all_resources - Free all allocated resources for an adapter. | |
8807 | * @ipr_cmd: ipr command struct | |
8808 | * | |
8809 | * This function frees all allocated resources for the | |
8810 | * specified adapter. | |
8811 | * | |
8812 | * Return value: | |
8813 | * none | |
8814 | **/ | |
8815 | static void ipr_free_all_resources(struct ipr_ioa_cfg *ioa_cfg) | |
8816 | { | |
8817 | struct pci_dev *pdev = ioa_cfg->pdev; | |
8818 | ||
8819 | ENTER; | |
05a6538a | 8820 | if (ioa_cfg->intr_flag == IPR_USE_MSI || |
8821 | ioa_cfg->intr_flag == IPR_USE_MSIX) { | |
8822 | int i; | |
8823 | for (i = 0; i < ioa_cfg->nvectors; i++) | |
8824 | free_irq(ioa_cfg->vectors_info[i].vec, | |
8825 | &ioa_cfg->hrrq[i]); | |
8826 | } else | |
8827 | free_irq(pdev->irq, &ioa_cfg->hrrq[0]); | |
8828 | ||
56d6aa33 | 8829 | if (ioa_cfg->intr_flag == IPR_USE_MSI) { |
05a6538a | 8830 | pci_disable_msi(pdev); |
56d6aa33 | 8831 | ioa_cfg->intr_flag &= ~IPR_USE_MSI; |
8832 | } else if (ioa_cfg->intr_flag == IPR_USE_MSIX) { | |
05a6538a | 8833 | pci_disable_msix(pdev); |
56d6aa33 | 8834 | ioa_cfg->intr_flag &= ~IPR_USE_MSIX; |
8835 | } | |
05a6538a | 8836 | |
1da177e4 LT |
8837 | iounmap(ioa_cfg->hdw_dma_regs); |
8838 | pci_release_regions(pdev); | |
8839 | ipr_free_mem(ioa_cfg); | |
8840 | scsi_host_put(ioa_cfg->host); | |
8841 | pci_disable_device(pdev); | |
8842 | LEAVE; | |
8843 | } | |
8844 | ||
8845 | /** | |
8846 | * ipr_alloc_cmd_blks - Allocate command blocks for an adapter | |
8847 | * @ioa_cfg: ioa config struct | |
8848 | * | |
8849 | * Return value: | |
8850 | * 0 on success / -ENOMEM on allocation failure | |
8851 | **/ | |
6f039790 | 8852 | static int ipr_alloc_cmd_blks(struct ipr_ioa_cfg *ioa_cfg) |
1da177e4 LT |
8853 | { |
8854 | struct ipr_cmnd *ipr_cmd; | |
8855 | struct ipr_ioarcb *ioarcb; | |
8856 | dma_addr_t dma_addr; | |
05a6538a | 8857 | int i, entries_each_hrrq, hrrq_id = 0; |
1da177e4 | 8858 | |
203fa3fe KSS |
8859 | ioa_cfg->ipr_cmd_pool = pci_pool_create(IPR_NAME, ioa_cfg->pdev, |
8860 | sizeof(struct ipr_cmnd), 512, 0); | |
1da177e4 LT |
8861 | |
8862 | if (!ioa_cfg->ipr_cmd_pool) | |
8863 | return -ENOMEM; | |
8864 | ||
89aad428 BK |
8865 | ioa_cfg->ipr_cmnd_list = kcalloc(IPR_NUM_CMD_BLKS, sizeof(struct ipr_cmnd *), GFP_KERNEL); |
8866 | ioa_cfg->ipr_cmnd_list_dma = kcalloc(IPR_NUM_CMD_BLKS, sizeof(dma_addr_t), GFP_KERNEL); | |
8867 | ||
8868 | if (!ioa_cfg->ipr_cmnd_list || !ioa_cfg->ipr_cmnd_list_dma) { | |
8869 | ipr_free_cmd_blks(ioa_cfg); | |
8870 | return -ENOMEM; | |
8871 | } | |
8872 | ||
05a6538a | 8873 | for (i = 0; i < ioa_cfg->hrrq_num; i++) { |
8874 | if (ioa_cfg->hrrq_num > 1) { | |
8875 | if (i == 0) { | |
8876 | entries_each_hrrq = IPR_NUM_INTERNAL_CMD_BLKS; | |
8877 | ioa_cfg->hrrq[i].min_cmd_id = 0; | |
8878 | ioa_cfg->hrrq[i].max_cmd_id = | |
8879 | (entries_each_hrrq - 1); | |
8880 | } else { | |
8881 | entries_each_hrrq = | |
8882 | IPR_NUM_BASE_CMD_BLKS/ | |
8883 | (ioa_cfg->hrrq_num - 1); | |
8884 | ioa_cfg->hrrq[i].min_cmd_id = | |
8885 | IPR_NUM_INTERNAL_CMD_BLKS + | |
8886 | (i - 1) * entries_each_hrrq; | |
8887 | ioa_cfg->hrrq[i].max_cmd_id = | |
8888 | (IPR_NUM_INTERNAL_CMD_BLKS + | |
8889 | i * entries_each_hrrq - 1); | |
8890 | } | |
8891 | } else { | |
8892 | entries_each_hrrq = IPR_NUM_CMD_BLKS; | |
8893 | ioa_cfg->hrrq[i].min_cmd_id = 0; | |
8894 | ioa_cfg->hrrq[i].max_cmd_id = (entries_each_hrrq - 1); | |
8895 | } | |
8896 | ioa_cfg->hrrq[i].size = entries_each_hrrq; | |
8897 | } | |
8898 | ||
8899 | BUG_ON(ioa_cfg->hrrq_num == 0); | |
8900 | ||
8901 | i = IPR_NUM_CMD_BLKS - | |
8902 | ioa_cfg->hrrq[ioa_cfg->hrrq_num - 1].max_cmd_id - 1; | |
8903 | if (i > 0) { | |
8904 | ioa_cfg->hrrq[ioa_cfg->hrrq_num - 1].size += i; | |
8905 | ioa_cfg->hrrq[ioa_cfg->hrrq_num - 1].max_cmd_id += i; | |
8906 | } | |
8907 | ||
1da177e4 | 8908 | for (i = 0; i < IPR_NUM_CMD_BLKS; i++) { |
203fa3fe | 8909 | ipr_cmd = pci_pool_alloc(ioa_cfg->ipr_cmd_pool, GFP_KERNEL, &dma_addr); |
1da177e4 LT |
8910 | |
8911 | if (!ipr_cmd) { | |
8912 | ipr_free_cmd_blks(ioa_cfg); | |
8913 | return -ENOMEM; | |
8914 | } | |
8915 | ||
8916 | memset(ipr_cmd, 0, sizeof(*ipr_cmd)); | |
8917 | ioa_cfg->ipr_cmnd_list[i] = ipr_cmd; | |
8918 | ioa_cfg->ipr_cmnd_list_dma[i] = dma_addr; | |
8919 | ||
8920 | ioarcb = &ipr_cmd->ioarcb; | |
a32c055f WB |
8921 | ipr_cmd->dma_addr = dma_addr; |
8922 | if (ioa_cfg->sis64) | |
8923 | ioarcb->a.ioarcb_host_pci_addr64 = cpu_to_be64(dma_addr); | |
8924 | else | |
8925 | ioarcb->a.ioarcb_host_pci_addr = cpu_to_be32(dma_addr); | |
8926 | ||
1da177e4 | 8927 | ioarcb->host_response_handle = cpu_to_be32(i << 2); |
a32c055f WB |
8928 | if (ioa_cfg->sis64) { |
8929 | ioarcb->u.sis64_addr_data.data_ioadl_addr = | |
8930 | cpu_to_be64(dma_addr + offsetof(struct ipr_cmnd, i.ioadl64)); | |
8931 | ioarcb->u.sis64_addr_data.ioasa_host_pci_addr = | |
96d21f00 | 8932 | cpu_to_be64(dma_addr + offsetof(struct ipr_cmnd, s.ioasa64)); |
a32c055f WB |
8933 | } else { |
8934 | ioarcb->write_ioadl_addr = | |
8935 | cpu_to_be32(dma_addr + offsetof(struct ipr_cmnd, i.ioadl)); | |
8936 | ioarcb->read_ioadl_addr = ioarcb->write_ioadl_addr; | |
8937 | ioarcb->ioasa_host_pci_addr = | |
96d21f00 | 8938 | cpu_to_be32(dma_addr + offsetof(struct ipr_cmnd, s.ioasa)); |
a32c055f | 8939 | } |
1da177e4 LT |
8940 | ioarcb->ioasa_len = cpu_to_be16(sizeof(struct ipr_ioasa)); |
8941 | ipr_cmd->cmd_index = i; | |
8942 | ipr_cmd->ioa_cfg = ioa_cfg; | |
8943 | ipr_cmd->sense_buffer_dma = dma_addr + | |
8944 | offsetof(struct ipr_cmnd, sense_buffer); | |
8945 | ||
05a6538a | 8946 | ipr_cmd->ioarcb.cmd_pkt.hrrq_id = hrrq_id; |
8947 | ipr_cmd->hrrq = &ioa_cfg->hrrq[hrrq_id]; | |
8948 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); | |
8949 | if (i >= ioa_cfg->hrrq[hrrq_id].max_cmd_id) | |
8950 | hrrq_id++; | |
1da177e4 LT |
8951 | } |
8952 | ||
8953 | return 0; | |
8954 | } | |
8955 | ||
8956 | /** | |
8957 | * ipr_alloc_mem - Allocate memory for an adapter | |
8958 | * @ioa_cfg: ioa config struct | |
8959 | * | |
8960 | * Return value: | |
8961 | * 0 on success / non-zero for error | |
8962 | **/ | |
6f039790 | 8963 | static int ipr_alloc_mem(struct ipr_ioa_cfg *ioa_cfg) |
1da177e4 LT |
8964 | { |
8965 | struct pci_dev *pdev = ioa_cfg->pdev; | |
8966 | int i, rc = -ENOMEM; | |
8967 | ||
8968 | ENTER; | |
0bc42e35 | 8969 | ioa_cfg->res_entries = kzalloc(sizeof(struct ipr_resource_entry) * |
3e7ebdfa | 8970 | ioa_cfg->max_devs_supported, GFP_KERNEL); |
1da177e4 LT |
8971 | |
8972 | if (!ioa_cfg->res_entries) | |
8973 | goto out; | |
8974 | ||
3e7ebdfa WB |
8975 | if (ioa_cfg->sis64) { |
8976 | ioa_cfg->target_ids = kzalloc(sizeof(unsigned long) * | |
8977 | BITS_TO_LONGS(ioa_cfg->max_devs_supported), GFP_KERNEL); | |
8978 | ioa_cfg->array_ids = kzalloc(sizeof(unsigned long) * | |
8979 | BITS_TO_LONGS(ioa_cfg->max_devs_supported), GFP_KERNEL); | |
8980 | ioa_cfg->vset_ids = kzalloc(sizeof(unsigned long) * | |
8981 | BITS_TO_LONGS(ioa_cfg->max_devs_supported), GFP_KERNEL); | |
a2e49cb2 BK |
8982 | |
8983 | if (!ioa_cfg->target_ids || !ioa_cfg->array_ids | |
8984 | || !ioa_cfg->vset_ids) | |
8985 | goto out_free_res_entries; | |
3e7ebdfa WB |
8986 | } |
8987 | ||
8988 | for (i = 0; i < ioa_cfg->max_devs_supported; i++) { | |
1da177e4 | 8989 | list_add_tail(&ioa_cfg->res_entries[i].queue, &ioa_cfg->free_res_q); |
3e7ebdfa WB |
8990 | ioa_cfg->res_entries[i].ioa_cfg = ioa_cfg; |
8991 | } | |
1da177e4 LT |
8992 | |
8993 | ioa_cfg->vpd_cbs = pci_alloc_consistent(ioa_cfg->pdev, | |
8994 | sizeof(struct ipr_misc_cbs), | |
8995 | &ioa_cfg->vpd_cbs_dma); | |
8996 | ||
8997 | if (!ioa_cfg->vpd_cbs) | |
8998 | goto out_free_res_entries; | |
8999 | ||
05a6538a | 9000 | for (i = 0; i < ioa_cfg->hrrq_num; i++) { |
9001 | INIT_LIST_HEAD(&ioa_cfg->hrrq[i].hrrq_free_q); | |
9002 | INIT_LIST_HEAD(&ioa_cfg->hrrq[i].hrrq_pending_q); | |
56d6aa33 | 9003 | spin_lock_init(&ioa_cfg->hrrq[i]._lock); |
9004 | if (i == 0) | |
9005 | ioa_cfg->hrrq[i].lock = ioa_cfg->host->host_lock; | |
9006 | else | |
9007 | ioa_cfg->hrrq[i].lock = &ioa_cfg->hrrq[i]._lock; | |
05a6538a | 9008 | } |
9009 | ||
1da177e4 LT |
9010 | if (ipr_alloc_cmd_blks(ioa_cfg)) |
9011 | goto out_free_vpd_cbs; | |
9012 | ||
05a6538a | 9013 | for (i = 0; i < ioa_cfg->hrrq_num; i++) { |
9014 | ioa_cfg->hrrq[i].host_rrq = pci_alloc_consistent(ioa_cfg->pdev, | |
9015 | sizeof(u32) * ioa_cfg->hrrq[i].size, | |
9016 | &ioa_cfg->hrrq[i].host_rrq_dma); | |
9017 | ||
9018 | if (!ioa_cfg->hrrq[i].host_rrq) { | |
9019 | while (--i > 0) | |
9020 | pci_free_consistent(pdev, | |
9021 | sizeof(u32) * ioa_cfg->hrrq[i].size, | |
9022 | ioa_cfg->hrrq[i].host_rrq, | |
9023 | ioa_cfg->hrrq[i].host_rrq_dma); | |
9024 | goto out_ipr_free_cmd_blocks; | |
9025 | } | |
9026 | ioa_cfg->hrrq[i].ioa_cfg = ioa_cfg; | |
9027 | } | |
1da177e4 | 9028 | |
3e7ebdfa WB |
9029 | ioa_cfg->u.cfg_table = pci_alloc_consistent(ioa_cfg->pdev, |
9030 | ioa_cfg->cfg_table_size, | |
9031 | &ioa_cfg->cfg_table_dma); | |
1da177e4 | 9032 | |
3e7ebdfa | 9033 | if (!ioa_cfg->u.cfg_table) |
1da177e4 LT |
9034 | goto out_free_host_rrq; |
9035 | ||
9036 | for (i = 0; i < IPR_NUM_HCAMS; i++) { | |
9037 | ioa_cfg->hostrcb[i] = pci_alloc_consistent(ioa_cfg->pdev, | |
9038 | sizeof(struct ipr_hostrcb), | |
9039 | &ioa_cfg->hostrcb_dma[i]); | |
9040 | ||
9041 | if (!ioa_cfg->hostrcb[i]) | |
9042 | goto out_free_hostrcb_dma; | |
9043 | ||
9044 | ioa_cfg->hostrcb[i]->hostrcb_dma = | |
9045 | ioa_cfg->hostrcb_dma[i] + offsetof(struct ipr_hostrcb, hcam); | |
49dc6a18 | 9046 | ioa_cfg->hostrcb[i]->ioa_cfg = ioa_cfg; |
1da177e4 LT |
9047 | list_add_tail(&ioa_cfg->hostrcb[i]->queue, &ioa_cfg->hostrcb_free_q); |
9048 | } | |
9049 | ||
0bc42e35 | 9050 | ioa_cfg->trace = kzalloc(sizeof(struct ipr_trace_entry) * |
1da177e4 LT |
9051 | IPR_NUM_TRACE_ENTRIES, GFP_KERNEL); |
9052 | ||
9053 | if (!ioa_cfg->trace) | |
9054 | goto out_free_hostrcb_dma; | |
9055 | ||
1da177e4 LT |
9056 | rc = 0; |
9057 | out: | |
9058 | LEAVE; | |
9059 | return rc; | |
9060 | ||
9061 | out_free_hostrcb_dma: | |
9062 | while (i-- > 0) { | |
9063 | pci_free_consistent(pdev, sizeof(struct ipr_hostrcb), | |
9064 | ioa_cfg->hostrcb[i], | |
9065 | ioa_cfg->hostrcb_dma[i]); | |
9066 | } | |
3e7ebdfa WB |
9067 | pci_free_consistent(pdev, ioa_cfg->cfg_table_size, |
9068 | ioa_cfg->u.cfg_table, | |
9069 | ioa_cfg->cfg_table_dma); | |
1da177e4 | 9070 | out_free_host_rrq: |
05a6538a | 9071 | for (i = 0; i < ioa_cfg->hrrq_num; i++) { |
9072 | pci_free_consistent(pdev, | |
9073 | sizeof(u32) * ioa_cfg->hrrq[i].size, | |
9074 | ioa_cfg->hrrq[i].host_rrq, | |
9075 | ioa_cfg->hrrq[i].host_rrq_dma); | |
9076 | } | |
1da177e4 LT |
9077 | out_ipr_free_cmd_blocks: |
9078 | ipr_free_cmd_blks(ioa_cfg); | |
9079 | out_free_vpd_cbs: | |
9080 | pci_free_consistent(pdev, sizeof(struct ipr_misc_cbs), | |
9081 | ioa_cfg->vpd_cbs, ioa_cfg->vpd_cbs_dma); | |
9082 | out_free_res_entries: | |
9083 | kfree(ioa_cfg->res_entries); | |
a2e49cb2 BK |
9084 | kfree(ioa_cfg->target_ids); |
9085 | kfree(ioa_cfg->array_ids); | |
9086 | kfree(ioa_cfg->vset_ids); | |
1da177e4 LT |
9087 | goto out; |
9088 | } | |
9089 | ||
9090 | /** | |
9091 | * ipr_initialize_bus_attr - Initialize SCSI bus attributes to default values | |
9092 | * @ioa_cfg: ioa config struct | |
9093 | * | |
9094 | * Return value: | |
9095 | * none | |
9096 | **/ | |
6f039790 | 9097 | static void ipr_initialize_bus_attr(struct ipr_ioa_cfg *ioa_cfg) |
1da177e4 LT |
9098 | { |
9099 | int i; | |
9100 | ||
9101 | for (i = 0; i < IPR_MAX_NUM_BUSES; i++) { | |
9102 | ioa_cfg->bus_attr[i].bus = i; | |
9103 | ioa_cfg->bus_attr[i].qas_enabled = 0; | |
9104 | ioa_cfg->bus_attr[i].bus_width = IPR_DEFAULT_BUS_WIDTH; | |
9105 | if (ipr_max_speed < ARRAY_SIZE(ipr_max_bus_speeds)) | |
9106 | ioa_cfg->bus_attr[i].max_xfer_rate = ipr_max_bus_speeds[ipr_max_speed]; | |
9107 | else | |
9108 | ioa_cfg->bus_attr[i].max_xfer_rate = IPR_U160_SCSI_RATE; | |
9109 | } | |
9110 | } | |
9111 | ||
9112 | /** | |
9113 | * ipr_init_ioa_cfg - Initialize IOA config struct | |
9114 | * @ioa_cfg: ioa config struct | |
9115 | * @host: scsi host struct | |
9116 | * @pdev: PCI dev struct | |
9117 | * | |
9118 | * Return value: | |
9119 | * none | |
9120 | **/ | |
6f039790 GKH |
9121 | static void ipr_init_ioa_cfg(struct ipr_ioa_cfg *ioa_cfg, |
9122 | struct Scsi_Host *host, struct pci_dev *pdev) | |
1da177e4 LT |
9123 | { |
9124 | const struct ipr_interrupt_offsets *p; | |
9125 | struct ipr_interrupts *t; | |
9126 | void __iomem *base; | |
9127 | ||
9128 | ioa_cfg->host = host; | |
9129 | ioa_cfg->pdev = pdev; | |
9130 | ioa_cfg->log_level = ipr_log_level; | |
3d1d0da6 | 9131 | ioa_cfg->doorbell = IPR_DOORBELL; |
1da177e4 LT |
9132 | sprintf(ioa_cfg->eye_catcher, IPR_EYECATCHER); |
9133 | sprintf(ioa_cfg->trace_start, IPR_TRACE_START_LABEL); | |
1da177e4 LT |
9134 | sprintf(ioa_cfg->cfg_table_start, IPR_CFG_TBL_START); |
9135 | sprintf(ioa_cfg->resource_table_label, IPR_RES_TABLE_LABEL); | |
9136 | sprintf(ioa_cfg->ipr_hcam_label, IPR_HCAM_LABEL); | |
9137 | sprintf(ioa_cfg->ipr_cmd_label, IPR_CMD_LABEL); | |
9138 | ||
1da177e4 LT |
9139 | INIT_LIST_HEAD(&ioa_cfg->hostrcb_free_q); |
9140 | INIT_LIST_HEAD(&ioa_cfg->hostrcb_pending_q); | |
9141 | INIT_LIST_HEAD(&ioa_cfg->free_res_q); | |
9142 | INIT_LIST_HEAD(&ioa_cfg->used_res_q); | |
c4028958 | 9143 | INIT_WORK(&ioa_cfg->work_q, ipr_worker_thread); |
1da177e4 | 9144 | init_waitqueue_head(&ioa_cfg->reset_wait_q); |
95fecd90 | 9145 | init_waitqueue_head(&ioa_cfg->msi_wait_q); |
1da177e4 LT |
9146 | ioa_cfg->sdt_state = INACTIVE; |
9147 | ||
9148 | ipr_initialize_bus_attr(ioa_cfg); | |
3e7ebdfa | 9149 | ioa_cfg->max_devs_supported = ipr_max_devs; |
1da177e4 | 9150 | |
3e7ebdfa WB |
9151 | if (ioa_cfg->sis64) { |
9152 | host->max_id = IPR_MAX_SIS64_TARGETS_PER_BUS; | |
9153 | host->max_lun = IPR_MAX_SIS64_LUNS_PER_TARGET; | |
9154 | if (ipr_max_devs > IPR_MAX_SIS64_DEVS) | |
9155 | ioa_cfg->max_devs_supported = IPR_MAX_SIS64_DEVS; | |
9156 | } else { | |
9157 | host->max_id = IPR_MAX_NUM_TARGETS_PER_BUS; | |
9158 | host->max_lun = IPR_MAX_NUM_LUNS_PER_TARGET; | |
9159 | if (ipr_max_devs > IPR_MAX_PHYSICAL_DEVS) | |
9160 | ioa_cfg->max_devs_supported = IPR_MAX_PHYSICAL_DEVS; | |
9161 | } | |
1da177e4 LT |
9162 | host->max_channel = IPR_MAX_BUS_TO_SCAN; |
9163 | host->unique_id = host->host_no; | |
9164 | host->max_cmd_len = IPR_MAX_CDB_LEN; | |
89aad428 | 9165 | host->can_queue = ioa_cfg->max_cmds; |
1da177e4 LT |
9166 | pci_set_drvdata(pdev, ioa_cfg); |
9167 | ||
9168 | p = &ioa_cfg->chip_cfg->regs; | |
9169 | t = &ioa_cfg->regs; | |
9170 | base = ioa_cfg->hdw_dma_regs; | |
9171 | ||
9172 | t->set_interrupt_mask_reg = base + p->set_interrupt_mask_reg; | |
9173 | t->clr_interrupt_mask_reg = base + p->clr_interrupt_mask_reg; | |
214777ba | 9174 | t->clr_interrupt_mask_reg32 = base + p->clr_interrupt_mask_reg32; |
1da177e4 | 9175 | t->sense_interrupt_mask_reg = base + p->sense_interrupt_mask_reg; |
214777ba | 9176 | t->sense_interrupt_mask_reg32 = base + p->sense_interrupt_mask_reg32; |
1da177e4 | 9177 | t->clr_interrupt_reg = base + p->clr_interrupt_reg; |
214777ba | 9178 | t->clr_interrupt_reg32 = base + p->clr_interrupt_reg32; |
1da177e4 | 9179 | t->sense_interrupt_reg = base + p->sense_interrupt_reg; |
214777ba | 9180 | t->sense_interrupt_reg32 = base + p->sense_interrupt_reg32; |
1da177e4 LT |
9181 | t->ioarrin_reg = base + p->ioarrin_reg; |
9182 | t->sense_uproc_interrupt_reg = base + p->sense_uproc_interrupt_reg; | |
214777ba | 9183 | t->sense_uproc_interrupt_reg32 = base + p->sense_uproc_interrupt_reg32; |
1da177e4 | 9184 | t->set_uproc_interrupt_reg = base + p->set_uproc_interrupt_reg; |
214777ba | 9185 | t->set_uproc_interrupt_reg32 = base + p->set_uproc_interrupt_reg32; |
1da177e4 | 9186 | t->clr_uproc_interrupt_reg = base + p->clr_uproc_interrupt_reg; |
214777ba | 9187 | t->clr_uproc_interrupt_reg32 = base + p->clr_uproc_interrupt_reg32; |
dcbad00e WB |
9188 | |
9189 | if (ioa_cfg->sis64) { | |
214777ba | 9190 | t->init_feedback_reg = base + p->init_feedback_reg; |
dcbad00e WB |
9191 | t->dump_addr_reg = base + p->dump_addr_reg; |
9192 | t->dump_data_reg = base + p->dump_data_reg; | |
8701f185 | 9193 | t->endian_swap_reg = base + p->endian_swap_reg; |
dcbad00e | 9194 | } |
1da177e4 LT |
9195 | } |
9196 | ||
9197 | /** | |
1be7bd82 | 9198 | * ipr_get_chip_info - Find adapter chip information |
1da177e4 LT |
9199 | * @dev_id: PCI device id struct |
9200 | * | |
9201 | * Return value: | |
1be7bd82 | 9202 | * ptr to chip information on success / NULL on failure |
1da177e4 | 9203 | **/ |
6f039790 | 9204 | static const struct ipr_chip_t * |
1be7bd82 | 9205 | ipr_get_chip_info(const struct pci_device_id *dev_id) |
1da177e4 LT |
9206 | { |
9207 | int i; | |
9208 | ||
1da177e4 LT |
9209 | for (i = 0; i < ARRAY_SIZE(ipr_chip); i++) |
9210 | if (ipr_chip[i].vendor == dev_id->vendor && | |
9211 | ipr_chip[i].device == dev_id->device) | |
1be7bd82 | 9212 | return &ipr_chip[i]; |
1da177e4 LT |
9213 | return NULL; |
9214 | } | |
9215 | ||
05a6538a | 9216 | static int ipr_enable_msix(struct ipr_ioa_cfg *ioa_cfg) |
9217 | { | |
9218 | struct msix_entry entries[IPR_MAX_MSIX_VECTORS]; | |
9219 | int i, err, vectors; | |
9220 | ||
9221 | for (i = 0; i < ARRAY_SIZE(entries); ++i) | |
9222 | entries[i].entry = i; | |
9223 | ||
9224 | vectors = ipr_number_of_msix; | |
9225 | ||
9226 | while ((err = pci_enable_msix(ioa_cfg->pdev, entries, vectors)) > 0) | |
9227 | vectors = err; | |
9228 | ||
9229 | if (err < 0) { | |
9230 | pci_disable_msix(ioa_cfg->pdev); | |
9231 | return err; | |
9232 | } | |
9233 | ||
9234 | if (!err) { | |
9235 | for (i = 0; i < vectors; i++) | |
9236 | ioa_cfg->vectors_info[i].vec = entries[i].vector; | |
9237 | ioa_cfg->nvectors = vectors; | |
9238 | } | |
9239 | ||
9240 | return err; | |
9241 | } | |
9242 | ||
9243 | static int ipr_enable_msi(struct ipr_ioa_cfg *ioa_cfg) | |
9244 | { | |
9245 | int i, err, vectors; | |
9246 | ||
9247 | vectors = ipr_number_of_msix; | |
9248 | ||
9249 | while ((err = pci_enable_msi_block(ioa_cfg->pdev, vectors)) > 0) | |
9250 | vectors = err; | |
9251 | ||
9252 | if (err < 0) { | |
9253 | pci_disable_msi(ioa_cfg->pdev); | |
9254 | return err; | |
9255 | } | |
9256 | ||
9257 | if (!err) { | |
9258 | for (i = 0; i < vectors; i++) | |
9259 | ioa_cfg->vectors_info[i].vec = ioa_cfg->pdev->irq + i; | |
9260 | ioa_cfg->nvectors = vectors; | |
9261 | } | |
9262 | ||
9263 | return err; | |
9264 | } | |
9265 | ||
9266 | static void name_msi_vectors(struct ipr_ioa_cfg *ioa_cfg) | |
9267 | { | |
9268 | int vec_idx, n = sizeof(ioa_cfg->vectors_info[0].desc) - 1; | |
9269 | ||
9270 | for (vec_idx = 0; vec_idx < ioa_cfg->nvectors; vec_idx++) { | |
9271 | snprintf(ioa_cfg->vectors_info[vec_idx].desc, n, | |
9272 | "host%d-%d", ioa_cfg->host->host_no, vec_idx); | |
9273 | ioa_cfg->vectors_info[vec_idx]. | |
9274 | desc[strlen(ioa_cfg->vectors_info[vec_idx].desc)] = 0; | |
9275 | } | |
9276 | } | |
9277 | ||
9278 | static int ipr_request_other_msi_irqs(struct ipr_ioa_cfg *ioa_cfg) | |
9279 | { | |
9280 | int i, rc; | |
9281 | ||
9282 | for (i = 1; i < ioa_cfg->nvectors; i++) { | |
9283 | rc = request_irq(ioa_cfg->vectors_info[i].vec, | |
9284 | ipr_isr_mhrrq, | |
9285 | 0, | |
9286 | ioa_cfg->vectors_info[i].desc, | |
9287 | &ioa_cfg->hrrq[i]); | |
9288 | if (rc) { | |
9289 | while (--i >= 0) | |
9290 | free_irq(ioa_cfg->vectors_info[i].vec, | |
9291 | &ioa_cfg->hrrq[i]); | |
9292 | return rc; | |
9293 | } | |
9294 | } | |
9295 | return 0; | |
9296 | } | |
9297 | ||
95fecd90 WB |
9298 | /** |
9299 | * ipr_test_intr - Handle the interrupt generated in ipr_test_msi(). | |
9300 | * @pdev: PCI device struct | |
9301 | * | |
9302 | * Description: Simply set the msi_received flag to 1 indicating that | |
9303 | * Message Signaled Interrupts are supported. | |
9304 | * | |
9305 | * Return value: | |
9306 | * 0 on success / non-zero on failure | |
9307 | **/ | |
6f039790 | 9308 | static irqreturn_t ipr_test_intr(int irq, void *devp) |
95fecd90 WB |
9309 | { |
9310 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)devp; | |
9311 | unsigned long lock_flags = 0; | |
9312 | irqreturn_t rc = IRQ_HANDLED; | |
9313 | ||
05a6538a | 9314 | dev_info(&ioa_cfg->pdev->dev, "Received IRQ : %d\n", irq); |
95fecd90 WB |
9315 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); |
9316 | ||
9317 | ioa_cfg->msi_received = 1; | |
9318 | wake_up(&ioa_cfg->msi_wait_q); | |
9319 | ||
9320 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
9321 | return rc; | |
9322 | } | |
9323 | ||
9324 | /** | |
9325 | * ipr_test_msi - Test for Message Signaled Interrupt (MSI) support. | |
9326 | * @pdev: PCI device struct | |
9327 | * | |
9328 | * Description: The return value from pci_enable_msi() can not always be | |
9329 | * trusted. This routine sets up and initiates a test interrupt to determine | |
9330 | * if the interrupt is received via the ipr_test_intr() service routine. | |
9331 | * If the tests fails, the driver will fall back to LSI. | |
9332 | * | |
9333 | * Return value: | |
9334 | * 0 on success / non-zero on failure | |
9335 | **/ | |
6f039790 | 9336 | static int ipr_test_msi(struct ipr_ioa_cfg *ioa_cfg, struct pci_dev *pdev) |
95fecd90 WB |
9337 | { |
9338 | int rc; | |
9339 | volatile u32 int_reg; | |
9340 | unsigned long lock_flags = 0; | |
9341 | ||
9342 | ENTER; | |
9343 | ||
9344 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
9345 | init_waitqueue_head(&ioa_cfg->msi_wait_q); | |
9346 | ioa_cfg->msi_received = 0; | |
9347 | ipr_mask_and_clear_interrupts(ioa_cfg, ~IPR_PCII_IOA_TRANS_TO_OPER); | |
214777ba | 9348 | writel(IPR_PCII_IO_DEBUG_ACKNOWLEDGE, ioa_cfg->regs.clr_interrupt_mask_reg32); |
95fecd90 WB |
9349 | int_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg); |
9350 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
9351 | ||
f19799f4 | 9352 | if (ioa_cfg->intr_flag == IPR_USE_MSIX) |
9353 | rc = request_irq(ioa_cfg->vectors_info[0].vec, ipr_test_intr, 0, IPR_NAME, ioa_cfg); | |
9354 | else | |
9355 | rc = request_irq(pdev->irq, ipr_test_intr, 0, IPR_NAME, ioa_cfg); | |
95fecd90 WB |
9356 | if (rc) { |
9357 | dev_err(&pdev->dev, "Can not assign irq %d\n", pdev->irq); | |
9358 | return rc; | |
9359 | } else if (ipr_debug) | |
9360 | dev_info(&pdev->dev, "IRQ assigned: %d\n", pdev->irq); | |
9361 | ||
214777ba | 9362 | writel(IPR_PCII_IO_DEBUG_ACKNOWLEDGE, ioa_cfg->regs.sense_interrupt_reg32); |
95fecd90 WB |
9363 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg); |
9364 | wait_event_timeout(ioa_cfg->msi_wait_q, ioa_cfg->msi_received, HZ); | |
56d6aa33 | 9365 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); |
95fecd90 WB |
9366 | ipr_mask_and_clear_interrupts(ioa_cfg, ~IPR_PCII_IOA_TRANS_TO_OPER); |
9367 | ||
95fecd90 WB |
9368 | if (!ioa_cfg->msi_received) { |
9369 | /* MSI test failed */ | |
9370 | dev_info(&pdev->dev, "MSI test failed. Falling back to LSI.\n"); | |
9371 | rc = -EOPNOTSUPP; | |
9372 | } else if (ipr_debug) | |
9373 | dev_info(&pdev->dev, "MSI test succeeded.\n"); | |
9374 | ||
9375 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
9376 | ||
f19799f4 | 9377 | if (ioa_cfg->intr_flag == IPR_USE_MSIX) |
9378 | free_irq(ioa_cfg->vectors_info[0].vec, ioa_cfg); | |
9379 | else | |
9380 | free_irq(pdev->irq, ioa_cfg); | |
95fecd90 WB |
9381 | |
9382 | LEAVE; | |
9383 | ||
9384 | return rc; | |
9385 | } | |
9386 | ||
05a6538a | 9387 | /* ipr_probe_ioa - Allocates memory and does first stage of initialization |
1da177e4 LT |
9388 | * @pdev: PCI device struct |
9389 | * @dev_id: PCI device id struct | |
9390 | * | |
9391 | * Return value: | |
9392 | * 0 on success / non-zero on failure | |
9393 | **/ | |
6f039790 GKH |
9394 | static int ipr_probe_ioa(struct pci_dev *pdev, |
9395 | const struct pci_device_id *dev_id) | |
1da177e4 LT |
9396 | { |
9397 | struct ipr_ioa_cfg *ioa_cfg; | |
9398 | struct Scsi_Host *host; | |
9399 | unsigned long ipr_regs_pci; | |
9400 | void __iomem *ipr_regs; | |
a2a65a3e | 9401 | int rc = PCIBIOS_SUCCESSFUL; |
473b1e8e | 9402 | volatile u32 mask, uproc, interrupts; |
56d6aa33 | 9403 | unsigned long lock_flags; |
1da177e4 LT |
9404 | |
9405 | ENTER; | |
9406 | ||
9407 | if ((rc = pci_enable_device(pdev))) { | |
9408 | dev_err(&pdev->dev, "Cannot enable adapter\n"); | |
9409 | goto out; | |
9410 | } | |
9411 | ||
9412 | dev_info(&pdev->dev, "Found IOA with IRQ: %d\n", pdev->irq); | |
9413 | ||
9414 | host = scsi_host_alloc(&driver_template, sizeof(*ioa_cfg)); | |
9415 | ||
9416 | if (!host) { | |
9417 | dev_err(&pdev->dev, "call to scsi_host_alloc failed!\n"); | |
9418 | rc = -ENOMEM; | |
9419 | goto out_disable; | |
9420 | } | |
9421 | ||
9422 | ioa_cfg = (struct ipr_ioa_cfg *)host->hostdata; | |
9423 | memset(ioa_cfg, 0, sizeof(struct ipr_ioa_cfg)); | |
8d8e7d13 | 9424 | ata_host_init(&ioa_cfg->ata_host, &pdev->dev, &ipr_sata_ops); |
1da177e4 | 9425 | |
1be7bd82 | 9426 | ioa_cfg->ipr_chip = ipr_get_chip_info(dev_id); |
1da177e4 | 9427 | |
1be7bd82 | 9428 | if (!ioa_cfg->ipr_chip) { |
1da177e4 LT |
9429 | dev_err(&pdev->dev, "Unknown adapter chipset 0x%04X 0x%04X\n", |
9430 | dev_id->vendor, dev_id->device); | |
9431 | goto out_scsi_host_put; | |
9432 | } | |
9433 | ||
a32c055f WB |
9434 | /* set SIS 32 or SIS 64 */ |
9435 | ioa_cfg->sis64 = ioa_cfg->ipr_chip->sis_type == IPR_SIS64 ? 1 : 0; | |
1be7bd82 | 9436 | ioa_cfg->chip_cfg = ioa_cfg->ipr_chip->cfg; |
7dd21308 | 9437 | ioa_cfg->clear_isr = ioa_cfg->chip_cfg->clear_isr; |
89aad428 | 9438 | ioa_cfg->max_cmds = ioa_cfg->chip_cfg->max_cmds; |
1be7bd82 | 9439 | |
5469cb5b BK |
9440 | if (ipr_transop_timeout) |
9441 | ioa_cfg->transop_timeout = ipr_transop_timeout; | |
9442 | else if (dev_id->driver_data & IPR_USE_LONG_TRANSOP_TIMEOUT) | |
9443 | ioa_cfg->transop_timeout = IPR_LONG_OPERATIONAL_TIMEOUT; | |
9444 | else | |
9445 | ioa_cfg->transop_timeout = IPR_OPERATIONAL_TIMEOUT; | |
9446 | ||
44c10138 | 9447 | ioa_cfg->revid = pdev->revision; |
463fc696 | 9448 | |
1da177e4 LT |
9449 | ipr_regs_pci = pci_resource_start(pdev, 0); |
9450 | ||
9451 | rc = pci_request_regions(pdev, IPR_NAME); | |
9452 | if (rc < 0) { | |
9453 | dev_err(&pdev->dev, | |
9454 | "Couldn't register memory range of registers\n"); | |
9455 | goto out_scsi_host_put; | |
9456 | } | |
9457 | ||
25729a7f | 9458 | ipr_regs = pci_ioremap_bar(pdev, 0); |
1da177e4 LT |
9459 | |
9460 | if (!ipr_regs) { | |
9461 | dev_err(&pdev->dev, | |
9462 | "Couldn't map memory range of registers\n"); | |
9463 | rc = -ENOMEM; | |
9464 | goto out_release_regions; | |
9465 | } | |
9466 | ||
9467 | ioa_cfg->hdw_dma_regs = ipr_regs; | |
9468 | ioa_cfg->hdw_dma_regs_pci = ipr_regs_pci; | |
9469 | ioa_cfg->ioa_mailbox = ioa_cfg->chip_cfg->mailbox + ipr_regs; | |
9470 | ||
9471 | ipr_init_ioa_cfg(ioa_cfg, host, pdev); | |
9472 | ||
9473 | pci_set_master(pdev); | |
9474 | ||
a32c055f WB |
9475 | if (ioa_cfg->sis64) { |
9476 | rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); | |
9477 | if (rc < 0) { | |
9478 | dev_dbg(&pdev->dev, "Failed to set 64 bit PCI DMA mask\n"); | |
9479 | rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); | |
9480 | } | |
9481 | ||
9482 | } else | |
9483 | rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); | |
9484 | ||
1da177e4 LT |
9485 | if (rc < 0) { |
9486 | dev_err(&pdev->dev, "Failed to set PCI DMA mask\n"); | |
9487 | goto cleanup_nomem; | |
9488 | } | |
9489 | ||
9490 | rc = pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, | |
9491 | ioa_cfg->chip_cfg->cache_line_size); | |
9492 | ||
9493 | if (rc != PCIBIOS_SUCCESSFUL) { | |
9494 | dev_err(&pdev->dev, "Write of cache line size failed\n"); | |
9495 | rc = -EIO; | |
9496 | goto cleanup_nomem; | |
9497 | } | |
9498 | ||
05a6538a | 9499 | if (ipr_number_of_msix > IPR_MAX_MSIX_VECTORS) { |
9500 | dev_err(&pdev->dev, "The max number of MSIX is %d\n", | |
9501 | IPR_MAX_MSIX_VECTORS); | |
9502 | ipr_number_of_msix = IPR_MAX_MSIX_VECTORS; | |
9503 | } | |
9504 | ||
9505 | if (ioa_cfg->ipr_chip->intr_type == IPR_USE_MSI && | |
56d6aa33 | 9506 | ipr_enable_msix(ioa_cfg) == 0) |
05a6538a | 9507 | ioa_cfg->intr_flag = IPR_USE_MSIX; |
9508 | else if (ioa_cfg->ipr_chip->intr_type == IPR_USE_MSI && | |
56d6aa33 | 9509 | ipr_enable_msi(ioa_cfg) == 0) |
05a6538a | 9510 | ioa_cfg->intr_flag = IPR_USE_MSI; |
9511 | else { | |
9512 | ioa_cfg->intr_flag = IPR_USE_LSI; | |
9513 | ioa_cfg->nvectors = 1; | |
9514 | dev_info(&pdev->dev, "Cannot enable MSI.\n"); | |
9515 | } | |
9516 | ||
9517 | if (ioa_cfg->intr_flag == IPR_USE_MSI || | |
9518 | ioa_cfg->intr_flag == IPR_USE_MSIX) { | |
95fecd90 | 9519 | rc = ipr_test_msi(ioa_cfg, pdev); |
05a6538a | 9520 | if (rc == -EOPNOTSUPP) { |
9521 | if (ioa_cfg->intr_flag == IPR_USE_MSI) { | |
9522 | ioa_cfg->intr_flag &= ~IPR_USE_MSI; | |
9523 | pci_disable_msi(pdev); | |
9524 | } else if (ioa_cfg->intr_flag == IPR_USE_MSIX) { | |
9525 | ioa_cfg->intr_flag &= ~IPR_USE_MSIX; | |
9526 | pci_disable_msix(pdev); | |
9527 | } | |
9528 | ||
9529 | ioa_cfg->intr_flag = IPR_USE_LSI; | |
9530 | ioa_cfg->nvectors = 1; | |
9531 | } | |
95fecd90 WB |
9532 | else if (rc) |
9533 | goto out_msi_disable; | |
05a6538a | 9534 | else { |
9535 | if (ioa_cfg->intr_flag == IPR_USE_MSI) | |
9536 | dev_info(&pdev->dev, | |
9537 | "Request for %d MSIs succeeded with starting IRQ: %d\n", | |
9538 | ioa_cfg->nvectors, pdev->irq); | |
9539 | else if (ioa_cfg->intr_flag == IPR_USE_MSIX) | |
9540 | dev_info(&pdev->dev, | |
9541 | "Request for %d MSIXs succeeded.", | |
9542 | ioa_cfg->nvectors); | |
9543 | } | |
9544 | } | |
9545 | ||
9546 | ioa_cfg->hrrq_num = min3(ioa_cfg->nvectors, | |
9547 | (unsigned int)num_online_cpus(), | |
9548 | (unsigned int)IPR_MAX_HRRQ_NUM); | |
95fecd90 | 9549 | |
1da177e4 LT |
9550 | /* Save away PCI config space for use following IOA reset */ |
9551 | rc = pci_save_state(pdev); | |
9552 | ||
9553 | if (rc != PCIBIOS_SUCCESSFUL) { | |
9554 | dev_err(&pdev->dev, "Failed to save PCI config space\n"); | |
9555 | rc = -EIO; | |
f170c684 | 9556 | goto out_msi_disable; |
1da177e4 LT |
9557 | } |
9558 | ||
9559 | if ((rc = ipr_save_pcix_cmd_reg(ioa_cfg))) | |
f170c684 | 9560 | goto out_msi_disable; |
1da177e4 LT |
9561 | |
9562 | if ((rc = ipr_set_pcix_cmd_reg(ioa_cfg))) | |
f170c684 | 9563 | goto out_msi_disable; |
1da177e4 | 9564 | |
3e7ebdfa WB |
9565 | if (ioa_cfg->sis64) |
9566 | ioa_cfg->cfg_table_size = (sizeof(struct ipr_config_table_hdr64) | |
9567 | + ((sizeof(struct ipr_config_table_entry64) | |
9568 | * ioa_cfg->max_devs_supported))); | |
9569 | else | |
9570 | ioa_cfg->cfg_table_size = (sizeof(struct ipr_config_table_hdr) | |
9571 | + ((sizeof(struct ipr_config_table_entry) | |
9572 | * ioa_cfg->max_devs_supported))); | |
9573 | ||
1da177e4 LT |
9574 | rc = ipr_alloc_mem(ioa_cfg); |
9575 | if (rc < 0) { | |
9576 | dev_err(&pdev->dev, | |
9577 | "Couldn't allocate enough memory for device driver!\n"); | |
f170c684 | 9578 | goto out_msi_disable; |
1da177e4 LT |
9579 | } |
9580 | ||
ce155cce BK |
9581 | /* |
9582 | * If HRRQ updated interrupt is not masked, or reset alert is set, | |
9583 | * the card is in an unknown state and needs a hard reset | |
9584 | */ | |
214777ba WB |
9585 | mask = readl(ioa_cfg->regs.sense_interrupt_mask_reg32); |
9586 | interrupts = readl(ioa_cfg->regs.sense_interrupt_reg32); | |
9587 | uproc = readl(ioa_cfg->regs.sense_uproc_interrupt_reg32); | |
ce155cce BK |
9588 | if ((mask & IPR_PCII_HRRQ_UPDATED) == 0 || (uproc & IPR_UPROCI_RESET_ALERT)) |
9589 | ioa_cfg->needs_hard_reset = 1; | |
5d7c20b7 | 9590 | if ((interrupts & IPR_PCII_ERROR_INTERRUPTS) || reset_devices) |
473b1e8e BK |
9591 | ioa_cfg->needs_hard_reset = 1; |
9592 | if (interrupts & IPR_PCII_IOA_UNIT_CHECKED) | |
9593 | ioa_cfg->ioa_unit_checked = 1; | |
ce155cce | 9594 | |
56d6aa33 | 9595 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); |
1da177e4 | 9596 | ipr_mask_and_clear_interrupts(ioa_cfg, ~IPR_PCII_IOA_TRANS_TO_OPER); |
56d6aa33 | 9597 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
1da177e4 | 9598 | |
05a6538a | 9599 | if (ioa_cfg->intr_flag == IPR_USE_MSI |
9600 | || ioa_cfg->intr_flag == IPR_USE_MSIX) { | |
9601 | name_msi_vectors(ioa_cfg); | |
9602 | rc = request_irq(ioa_cfg->vectors_info[0].vec, ipr_isr, | |
9603 | 0, | |
9604 | ioa_cfg->vectors_info[0].desc, | |
9605 | &ioa_cfg->hrrq[0]); | |
9606 | if (!rc) | |
9607 | rc = ipr_request_other_msi_irqs(ioa_cfg); | |
9608 | } else { | |
9609 | rc = request_irq(pdev->irq, ipr_isr, | |
9610 | IRQF_SHARED, | |
9611 | IPR_NAME, &ioa_cfg->hrrq[0]); | |
9612 | } | |
1da177e4 LT |
9613 | if (rc) { |
9614 | dev_err(&pdev->dev, "Couldn't register IRQ %d! rc=%d\n", | |
9615 | pdev->irq, rc); | |
9616 | goto cleanup_nolog; | |
9617 | } | |
9618 | ||
463fc696 BK |
9619 | if ((dev_id->driver_data & IPR_USE_PCI_WARM_RESET) || |
9620 | (dev_id->device == PCI_DEVICE_ID_IBM_OBSIDIAN_E && !ioa_cfg->revid)) { | |
9621 | ioa_cfg->needs_warm_reset = 1; | |
9622 | ioa_cfg->reset = ipr_reset_slot_reset; | |
9623 | } else | |
9624 | ioa_cfg->reset = ipr_reset_start_bist; | |
9625 | ||
1da177e4 LT |
9626 | spin_lock(&ipr_driver_lock); |
9627 | list_add_tail(&ioa_cfg->queue, &ipr_ioa_head); | |
9628 | spin_unlock(&ipr_driver_lock); | |
9629 | ||
9630 | LEAVE; | |
9631 | out: | |
9632 | return rc; | |
9633 | ||
9634 | cleanup_nolog: | |
9635 | ipr_free_mem(ioa_cfg); | |
95fecd90 | 9636 | out_msi_disable: |
05a6538a | 9637 | if (ioa_cfg->intr_flag == IPR_USE_MSI) |
9638 | pci_disable_msi(pdev); | |
9639 | else if (ioa_cfg->intr_flag == IPR_USE_MSIX) | |
9640 | pci_disable_msix(pdev); | |
f170c684 JL |
9641 | cleanup_nomem: |
9642 | iounmap(ipr_regs); | |
1da177e4 LT |
9643 | out_release_regions: |
9644 | pci_release_regions(pdev); | |
9645 | out_scsi_host_put: | |
9646 | scsi_host_put(host); | |
9647 | out_disable: | |
9648 | pci_disable_device(pdev); | |
9649 | goto out; | |
9650 | } | |
9651 | ||
9652 | /** | |
9653 | * ipr_scan_vsets - Scans for VSET devices | |
9654 | * @ioa_cfg: ioa config struct | |
9655 | * | |
9656 | * Description: Since the VSET resources do not follow SAM in that we can have | |
9657 | * sparse LUNs with no LUN 0, we have to scan for these ourselves. | |
9658 | * | |
9659 | * Return value: | |
9660 | * none | |
9661 | **/ | |
9662 | static void ipr_scan_vsets(struct ipr_ioa_cfg *ioa_cfg) | |
9663 | { | |
9664 | int target, lun; | |
9665 | ||
9666 | for (target = 0; target < IPR_MAX_NUM_TARGETS_PER_BUS; target++) | |
203fa3fe | 9667 | for (lun = 0; lun < IPR_MAX_NUM_VSET_LUNS_PER_TARGET; lun++) |
1da177e4 LT |
9668 | scsi_add_device(ioa_cfg->host, IPR_VSET_BUS, target, lun); |
9669 | } | |
9670 | ||
9671 | /** | |
9672 | * ipr_initiate_ioa_bringdown - Bring down an adapter | |
9673 | * @ioa_cfg: ioa config struct | |
9674 | * @shutdown_type: shutdown type | |
9675 | * | |
9676 | * Description: This function will initiate bringing down the adapter. | |
9677 | * This consists of issuing an IOA shutdown to the adapter | |
9678 | * to flush the cache, and running BIST. | |
9679 | * If the caller needs to wait on the completion of the reset, | |
9680 | * the caller must sleep on the reset_wait_q. | |
9681 | * | |
9682 | * Return value: | |
9683 | * none | |
9684 | **/ | |
9685 | static void ipr_initiate_ioa_bringdown(struct ipr_ioa_cfg *ioa_cfg, | |
9686 | enum ipr_shutdown_type shutdown_type) | |
9687 | { | |
9688 | ENTER; | |
9689 | if (ioa_cfg->sdt_state == WAIT_FOR_DUMP) | |
9690 | ioa_cfg->sdt_state = ABORT_DUMP; | |
9691 | ioa_cfg->reset_retries = 0; | |
9692 | ioa_cfg->in_ioa_bringdown = 1; | |
9693 | ipr_initiate_ioa_reset(ioa_cfg, shutdown_type); | |
9694 | LEAVE; | |
9695 | } | |
9696 | ||
9697 | /** | |
9698 | * __ipr_remove - Remove a single adapter | |
9699 | * @pdev: pci device struct | |
9700 | * | |
9701 | * Adapter hot plug remove entry point. | |
9702 | * | |
9703 | * Return value: | |
9704 | * none | |
9705 | **/ | |
9706 | static void __ipr_remove(struct pci_dev *pdev) | |
9707 | { | |
9708 | unsigned long host_lock_flags = 0; | |
9709 | struct ipr_ioa_cfg *ioa_cfg = pci_get_drvdata(pdev); | |
bfae7820 | 9710 | int i; |
1da177e4 LT |
9711 | ENTER; |
9712 | ||
9713 | spin_lock_irqsave(ioa_cfg->host->host_lock, host_lock_flags); | |
203fa3fe | 9714 | while (ioa_cfg->in_reset_reload) { |
970ea294 BK |
9715 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, host_lock_flags); |
9716 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
9717 | spin_lock_irqsave(ioa_cfg->host->host_lock, host_lock_flags); | |
9718 | } | |
9719 | ||
bfae7820 BK |
9720 | for (i = 0; i < ioa_cfg->hrrq_num; i++) { |
9721 | spin_lock(&ioa_cfg->hrrq[i]._lock); | |
9722 | ioa_cfg->hrrq[i].removing_ioa = 1; | |
9723 | spin_unlock(&ioa_cfg->hrrq[i]._lock); | |
9724 | } | |
9725 | wmb(); | |
1da177e4 LT |
9726 | ipr_initiate_ioa_bringdown(ioa_cfg, IPR_SHUTDOWN_NORMAL); |
9727 | ||
9728 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, host_lock_flags); | |
9729 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
43829731 | 9730 | flush_work(&ioa_cfg->work_q); |
1da177e4 LT |
9731 | spin_lock_irqsave(ioa_cfg->host->host_lock, host_lock_flags); |
9732 | ||
9733 | spin_lock(&ipr_driver_lock); | |
9734 | list_del(&ioa_cfg->queue); | |
9735 | spin_unlock(&ipr_driver_lock); | |
9736 | ||
9737 | if (ioa_cfg->sdt_state == ABORT_DUMP) | |
9738 | ioa_cfg->sdt_state = WAIT_FOR_DUMP; | |
9739 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, host_lock_flags); | |
9740 | ||
9741 | ipr_free_all_resources(ioa_cfg); | |
9742 | ||
9743 | LEAVE; | |
9744 | } | |
9745 | ||
9746 | /** | |
9747 | * ipr_remove - IOA hot plug remove entry point | |
9748 | * @pdev: pci device struct | |
9749 | * | |
9750 | * Adapter hot plug remove entry point. | |
9751 | * | |
9752 | * Return value: | |
9753 | * none | |
9754 | **/ | |
6f039790 | 9755 | static void ipr_remove(struct pci_dev *pdev) |
1da177e4 LT |
9756 | { |
9757 | struct ipr_ioa_cfg *ioa_cfg = pci_get_drvdata(pdev); | |
9758 | ||
9759 | ENTER; | |
9760 | ||
ee959b00 | 9761 | ipr_remove_trace_file(&ioa_cfg->host->shost_dev.kobj, |
1da177e4 | 9762 | &ipr_trace_attr); |
ee959b00 | 9763 | ipr_remove_dump_file(&ioa_cfg->host->shost_dev.kobj, |
1da177e4 LT |
9764 | &ipr_dump_attr); |
9765 | scsi_remove_host(ioa_cfg->host); | |
9766 | ||
9767 | __ipr_remove(pdev); | |
9768 | ||
9769 | LEAVE; | |
9770 | } | |
9771 | ||
9772 | /** | |
9773 | * ipr_probe - Adapter hot plug add entry point | |
9774 | * | |
9775 | * Return value: | |
9776 | * 0 on success / non-zero on failure | |
9777 | **/ | |
6f039790 | 9778 | static int ipr_probe(struct pci_dev *pdev, const struct pci_device_id *dev_id) |
1da177e4 LT |
9779 | { |
9780 | struct ipr_ioa_cfg *ioa_cfg; | |
b53d124a | 9781 | int rc, i; |
1da177e4 LT |
9782 | |
9783 | rc = ipr_probe_ioa(pdev, dev_id); | |
9784 | ||
9785 | if (rc) | |
9786 | return rc; | |
9787 | ||
9788 | ioa_cfg = pci_get_drvdata(pdev); | |
9789 | rc = ipr_probe_ioa_part2(ioa_cfg); | |
9790 | ||
9791 | if (rc) { | |
9792 | __ipr_remove(pdev); | |
9793 | return rc; | |
9794 | } | |
9795 | ||
9796 | rc = scsi_add_host(ioa_cfg->host, &pdev->dev); | |
9797 | ||
9798 | if (rc) { | |
9799 | __ipr_remove(pdev); | |
9800 | return rc; | |
9801 | } | |
9802 | ||
ee959b00 | 9803 | rc = ipr_create_trace_file(&ioa_cfg->host->shost_dev.kobj, |
1da177e4 LT |
9804 | &ipr_trace_attr); |
9805 | ||
9806 | if (rc) { | |
9807 | scsi_remove_host(ioa_cfg->host); | |
9808 | __ipr_remove(pdev); | |
9809 | return rc; | |
9810 | } | |
9811 | ||
ee959b00 | 9812 | rc = ipr_create_dump_file(&ioa_cfg->host->shost_dev.kobj, |
1da177e4 LT |
9813 | &ipr_dump_attr); |
9814 | ||
9815 | if (rc) { | |
ee959b00 | 9816 | ipr_remove_trace_file(&ioa_cfg->host->shost_dev.kobj, |
1da177e4 LT |
9817 | &ipr_trace_attr); |
9818 | scsi_remove_host(ioa_cfg->host); | |
9819 | __ipr_remove(pdev); | |
9820 | return rc; | |
9821 | } | |
9822 | ||
9823 | scsi_scan_host(ioa_cfg->host); | |
9824 | ipr_scan_vsets(ioa_cfg); | |
9825 | scsi_add_device(ioa_cfg->host, IPR_IOA_BUS, IPR_IOA_TARGET, IPR_IOA_LUN); | |
9826 | ioa_cfg->allow_ml_add_del = 1; | |
11cd8f12 | 9827 | ioa_cfg->host->max_channel = IPR_VSET_BUS; |
b53d124a | 9828 | ioa_cfg->iopoll_weight = ioa_cfg->chip_cfg->iopoll_weight; |
9829 | ||
9830 | if (blk_iopoll_enabled && ioa_cfg->iopoll_weight && | |
9831 | ioa_cfg->sis64 && ioa_cfg->nvectors > 1) { | |
9832 | for (i = 1; i < ioa_cfg->hrrq_num; i++) { | |
9833 | blk_iopoll_init(&ioa_cfg->hrrq[i].iopoll, | |
9834 | ioa_cfg->iopoll_weight, ipr_iopoll); | |
9835 | blk_iopoll_enable(&ioa_cfg->hrrq[i].iopoll); | |
9836 | } | |
9837 | } | |
9838 | ||
1da177e4 LT |
9839 | schedule_work(&ioa_cfg->work_q); |
9840 | return 0; | |
9841 | } | |
9842 | ||
9843 | /** | |
9844 | * ipr_shutdown - Shutdown handler. | |
d18c3db5 | 9845 | * @pdev: pci device struct |
1da177e4 LT |
9846 | * |
9847 | * This function is invoked upon system shutdown/reboot. It will issue | |
9848 | * an adapter shutdown to the adapter to flush the write cache. | |
9849 | * | |
9850 | * Return value: | |
9851 | * none | |
9852 | **/ | |
d18c3db5 | 9853 | static void ipr_shutdown(struct pci_dev *pdev) |
1da177e4 | 9854 | { |
d18c3db5 | 9855 | struct ipr_ioa_cfg *ioa_cfg = pci_get_drvdata(pdev); |
1da177e4 | 9856 | unsigned long lock_flags = 0; |
b53d124a | 9857 | int i; |
1da177e4 LT |
9858 | |
9859 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
b53d124a | 9860 | if (blk_iopoll_enabled && ioa_cfg->iopoll_weight && |
9861 | ioa_cfg->sis64 && ioa_cfg->nvectors > 1) { | |
9862 | ioa_cfg->iopoll_weight = 0; | |
9863 | for (i = 1; i < ioa_cfg->hrrq_num; i++) | |
9864 | blk_iopoll_disable(&ioa_cfg->hrrq[i].iopoll); | |
9865 | } | |
9866 | ||
203fa3fe | 9867 | while (ioa_cfg->in_reset_reload) { |
970ea294 BK |
9868 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
9869 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
9870 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
9871 | } | |
9872 | ||
1da177e4 LT |
9873 | ipr_initiate_ioa_bringdown(ioa_cfg, IPR_SHUTDOWN_NORMAL); |
9874 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
9875 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
9876 | } | |
9877 | ||
6f039790 | 9878 | static struct pci_device_id ipr_pci_table[] = { |
1da177e4 | 9879 | { PCI_VENDOR_ID_MYLEX, PCI_DEVICE_ID_IBM_GEMSTONE, |
6d84c944 | 9880 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_5702, 0, 0, 0 }, |
1da177e4 | 9881 | { PCI_VENDOR_ID_MYLEX, PCI_DEVICE_ID_IBM_GEMSTONE, |
6d84c944 | 9882 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_5703, 0, 0, 0 }, |
1da177e4 | 9883 | { PCI_VENDOR_ID_MYLEX, PCI_DEVICE_ID_IBM_GEMSTONE, |
6d84c944 | 9884 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_573D, 0, 0, 0 }, |
1da177e4 | 9885 | { PCI_VENDOR_ID_MYLEX, PCI_DEVICE_ID_IBM_GEMSTONE, |
6d84c944 | 9886 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_573E, 0, 0, 0 }, |
1da177e4 | 9887 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CITRINE, |
6d84c944 | 9888 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_571B, 0, 0, 0 }, |
1da177e4 | 9889 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CITRINE, |
6d84c944 | 9890 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572E, 0, 0, 0 }, |
1da177e4 | 9891 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CITRINE, |
6d84c944 | 9892 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_571A, 0, 0, 0 }, |
86f51436 | 9893 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CITRINE, |
5469cb5b BK |
9894 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_575B, 0, 0, |
9895 | IPR_USE_LONG_TRANSOP_TIMEOUT }, | |
86f51436 | 9896 | { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN, |
6d84c944 | 9897 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572A, 0, 0, 0 }, |
86f51436 | 9898 | { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN, |
22d2e402 BK |
9899 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572B, 0, 0, |
9900 | IPR_USE_LONG_TRANSOP_TIMEOUT }, | |
60e7486b | 9901 | { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN, |
5469cb5b BK |
9902 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_575C, 0, 0, |
9903 | IPR_USE_LONG_TRANSOP_TIMEOUT }, | |
86f51436 | 9904 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN, |
6d84c944 | 9905 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572A, 0, 0, 0 }, |
86f51436 | 9906 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN, |
22d2e402 BK |
9907 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572B, 0, 0, |
9908 | IPR_USE_LONG_TRANSOP_TIMEOUT}, | |
60e7486b | 9909 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN, |
5469cb5b BK |
9910 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_575C, 0, 0, |
9911 | IPR_USE_LONG_TRANSOP_TIMEOUT }, | |
185eb31c | 9912 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E, |
22d2e402 BK |
9913 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_574E, 0, 0, |
9914 | IPR_USE_LONG_TRANSOP_TIMEOUT }, | |
185eb31c BK |
9915 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E, |
9916 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B3, 0, 0, 0 }, | |
b0f56d3d WB |
9917 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E, |
9918 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57CC, 0, 0, 0 }, | |
60e7486b | 9919 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E, |
5469cb5b | 9920 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B7, 0, 0, |
463fc696 | 9921 | IPR_USE_LONG_TRANSOP_TIMEOUT | IPR_USE_PCI_WARM_RESET }, |
1da177e4 | 9922 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_SNIPE, |
6d84c944 | 9923 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_2780, 0, 0, 0 }, |
1da177e4 | 9924 | { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP, |
6d84c944 | 9925 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_571E, 0, 0, 0 }, |
86f51436 | 9926 | { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP, |
5469cb5b BK |
9927 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_571F, 0, 0, |
9928 | IPR_USE_LONG_TRANSOP_TIMEOUT }, | |
60e7486b | 9929 | { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP, |
5469cb5b BK |
9930 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572F, 0, 0, |
9931 | IPR_USE_LONG_TRANSOP_TIMEOUT }, | |
d7b4627f WB |
9932 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_FPGA_E2, |
9933 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B5, 0, 0, 0 }, | |
9934 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_FPGA_E2, | |
9935 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_574D, 0, 0, 0 }, | |
9936 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_FPGA_E2, | |
9937 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B2, 0, 0, 0 }, | |
b8d5d568 | 9938 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_FPGA_E2, |
9939 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57C0, 0, 0, 0 }, | |
5a918353 WB |
9940 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_FPGA_E2, |
9941 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57C3, 0, 0, 0 }, | |
32622bde WB |
9942 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_FPGA_E2, |
9943 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57C4, 0, 0, 0 }, | |
cd9b3d04 | 9944 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, |
d7b4627f | 9945 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B4, 0, 0, 0 }, |
cd9b3d04 | 9946 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, |
d7b4627f | 9947 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B1, 0, 0, 0 }, |
cd9b3d04 | 9948 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, |
d7b4627f | 9949 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57C6, 0, 0, 0 }, |
cd9b3d04 WB |
9950 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, |
9951 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57C8, 0, 0, 0 }, | |
9952 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, | |
d7b4627f | 9953 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57CE, 0, 0, 0 }, |
b8d5d568 | 9954 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, |
9955 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57D5, 0, 0, 0 }, | |
9956 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, | |
9957 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57D6, 0, 0, 0 }, | |
9958 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, | |
9959 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57D7, 0, 0, 0 }, | |
9960 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, | |
9961 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57D8, 0, 0, 0 }, | |
1da177e4 LT |
9962 | { } |
9963 | }; | |
9964 | MODULE_DEVICE_TABLE(pci, ipr_pci_table); | |
9965 | ||
a55b2d21 | 9966 | static const struct pci_error_handlers ipr_err_handler = { |
f8a88b19 LV |
9967 | .error_detected = ipr_pci_error_detected, |
9968 | .slot_reset = ipr_pci_slot_reset, | |
9969 | }; | |
9970 | ||
1da177e4 LT |
9971 | static struct pci_driver ipr_driver = { |
9972 | .name = IPR_NAME, | |
9973 | .id_table = ipr_pci_table, | |
9974 | .probe = ipr_probe, | |
6f039790 | 9975 | .remove = ipr_remove, |
d18c3db5 | 9976 | .shutdown = ipr_shutdown, |
f8a88b19 | 9977 | .err_handler = &ipr_err_handler, |
1da177e4 LT |
9978 | }; |
9979 | ||
f72919ec WB |
9980 | /** |
9981 | * ipr_halt_done - Shutdown prepare completion | |
9982 | * | |
9983 | * Return value: | |
9984 | * none | |
9985 | **/ | |
9986 | static void ipr_halt_done(struct ipr_cmnd *ipr_cmd) | |
9987 | { | |
05a6538a | 9988 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
f72919ec WB |
9989 | } |
9990 | ||
9991 | /** | |
9992 | * ipr_halt - Issue shutdown prepare to all adapters | |
9993 | * | |
9994 | * Return value: | |
9995 | * NOTIFY_OK on success / NOTIFY_DONE on failure | |
9996 | **/ | |
9997 | static int ipr_halt(struct notifier_block *nb, ulong event, void *buf) | |
9998 | { | |
9999 | struct ipr_cmnd *ipr_cmd; | |
10000 | struct ipr_ioa_cfg *ioa_cfg; | |
10001 | unsigned long flags = 0; | |
10002 | ||
10003 | if (event != SYS_RESTART && event != SYS_HALT && event != SYS_POWER_OFF) | |
10004 | return NOTIFY_DONE; | |
10005 | ||
10006 | spin_lock(&ipr_driver_lock); | |
10007 | ||
10008 | list_for_each_entry(ioa_cfg, &ipr_ioa_head, queue) { | |
10009 | spin_lock_irqsave(ioa_cfg->host->host_lock, flags); | |
56d6aa33 | 10010 | if (!ioa_cfg->hrrq[IPR_INIT_HRRQ].allow_cmds) { |
f72919ec WB |
10011 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); |
10012 | continue; | |
10013 | } | |
10014 | ||
10015 | ipr_cmd = ipr_get_free_ipr_cmnd(ioa_cfg); | |
10016 | ipr_cmd->ioarcb.res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE); | |
10017 | ipr_cmd->ioarcb.cmd_pkt.request_type = IPR_RQTYPE_IOACMD; | |
10018 | ipr_cmd->ioarcb.cmd_pkt.cdb[0] = IPR_IOA_SHUTDOWN; | |
10019 | ipr_cmd->ioarcb.cmd_pkt.cdb[1] = IPR_SHUTDOWN_PREPARE_FOR_NORMAL; | |
10020 | ||
10021 | ipr_do_req(ipr_cmd, ipr_halt_done, ipr_timeout, IPR_DEVICE_RESET_TIMEOUT); | |
10022 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); | |
10023 | } | |
10024 | spin_unlock(&ipr_driver_lock); | |
10025 | ||
10026 | return NOTIFY_OK; | |
10027 | } | |
10028 | ||
10029 | static struct notifier_block ipr_notifier = { | |
10030 | ipr_halt, NULL, 0 | |
10031 | }; | |
10032 | ||
1da177e4 LT |
10033 | /** |
10034 | * ipr_init - Module entry point | |
10035 | * | |
10036 | * Return value: | |
10037 | * 0 on success / negative value on failure | |
10038 | **/ | |
10039 | static int __init ipr_init(void) | |
10040 | { | |
10041 | ipr_info("IBM Power RAID SCSI Device Driver version: %s %s\n", | |
10042 | IPR_DRIVER_VERSION, IPR_DRIVER_DATE); | |
10043 | ||
f72919ec | 10044 | register_reboot_notifier(&ipr_notifier); |
dcbccbde | 10045 | return pci_register_driver(&ipr_driver); |
1da177e4 LT |
10046 | } |
10047 | ||
10048 | /** | |
10049 | * ipr_exit - Module unload | |
10050 | * | |
10051 | * Module unload entry point. | |
10052 | * | |
10053 | * Return value: | |
10054 | * none | |
10055 | **/ | |
10056 | static void __exit ipr_exit(void) | |
10057 | { | |
f72919ec | 10058 | unregister_reboot_notifier(&ipr_notifier); |
1da177e4 LT |
10059 | pci_unregister_driver(&ipr_driver); |
10060 | } | |
10061 | ||
10062 | module_init(ipr_init); | |
10063 | module_exit(ipr_exit); |