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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, |
1da177e4 LT |
111 | { |
112 | .set_interrupt_mask_reg = 0x0022C, | |
113 | .clr_interrupt_mask_reg = 0x00230, | |
214777ba | 114 | .clr_interrupt_mask_reg32 = 0x00230, |
1da177e4 | 115 | .sense_interrupt_mask_reg = 0x0022C, |
214777ba | 116 | .sense_interrupt_mask_reg32 = 0x0022C, |
1da177e4 | 117 | .clr_interrupt_reg = 0x00228, |
214777ba | 118 | .clr_interrupt_reg32 = 0x00228, |
1da177e4 | 119 | .sense_interrupt_reg = 0x00224, |
214777ba | 120 | .sense_interrupt_reg32 = 0x00224, |
1da177e4 LT |
121 | .ioarrin_reg = 0x00404, |
122 | .sense_uproc_interrupt_reg = 0x00214, | |
214777ba | 123 | .sense_uproc_interrupt_reg32 = 0x00214, |
1da177e4 | 124 | .set_uproc_interrupt_reg = 0x00214, |
214777ba WB |
125 | .set_uproc_interrupt_reg32 = 0x00214, |
126 | .clr_uproc_interrupt_reg = 0x00218, | |
127 | .clr_uproc_interrupt_reg32 = 0x00218 | |
1da177e4 LT |
128 | } |
129 | }, | |
130 | { /* Snipe and Scamp */ | |
131 | .mailbox = 0x0052C, | |
89aad428 | 132 | .max_cmds = 100, |
1da177e4 | 133 | .cache_line_size = 0x20, |
7dd21308 | 134 | .clear_isr = 1, |
1da177e4 LT |
135 | { |
136 | .set_interrupt_mask_reg = 0x00288, | |
137 | .clr_interrupt_mask_reg = 0x0028C, | |
214777ba | 138 | .clr_interrupt_mask_reg32 = 0x0028C, |
1da177e4 | 139 | .sense_interrupt_mask_reg = 0x00288, |
214777ba | 140 | .sense_interrupt_mask_reg32 = 0x00288, |
1da177e4 | 141 | .clr_interrupt_reg = 0x00284, |
214777ba | 142 | .clr_interrupt_reg32 = 0x00284, |
1da177e4 | 143 | .sense_interrupt_reg = 0x00280, |
214777ba | 144 | .sense_interrupt_reg32 = 0x00280, |
1da177e4 LT |
145 | .ioarrin_reg = 0x00504, |
146 | .sense_uproc_interrupt_reg = 0x00290, | |
214777ba | 147 | .sense_uproc_interrupt_reg32 = 0x00290, |
1da177e4 | 148 | .set_uproc_interrupt_reg = 0x00290, |
214777ba WB |
149 | .set_uproc_interrupt_reg32 = 0x00290, |
150 | .clr_uproc_interrupt_reg = 0x00294, | |
151 | .clr_uproc_interrupt_reg32 = 0x00294 | |
1da177e4 LT |
152 | } |
153 | }, | |
a74c1639 | 154 | { /* CRoC */ |
110def85 | 155 | .mailbox = 0x00044, |
89aad428 | 156 | .max_cmds = 1000, |
a74c1639 | 157 | .cache_line_size = 0x20, |
7dd21308 | 158 | .clear_isr = 0, |
a74c1639 WB |
159 | { |
160 | .set_interrupt_mask_reg = 0x00010, | |
161 | .clr_interrupt_mask_reg = 0x00018, | |
214777ba | 162 | .clr_interrupt_mask_reg32 = 0x0001C, |
a74c1639 | 163 | .sense_interrupt_mask_reg = 0x00010, |
214777ba | 164 | .sense_interrupt_mask_reg32 = 0x00014, |
a74c1639 | 165 | .clr_interrupt_reg = 0x00008, |
214777ba | 166 | .clr_interrupt_reg32 = 0x0000C, |
a74c1639 | 167 | .sense_interrupt_reg = 0x00000, |
214777ba | 168 | .sense_interrupt_reg32 = 0x00004, |
a74c1639 WB |
169 | .ioarrin_reg = 0x00070, |
170 | .sense_uproc_interrupt_reg = 0x00020, | |
214777ba | 171 | .sense_uproc_interrupt_reg32 = 0x00024, |
a74c1639 | 172 | .set_uproc_interrupt_reg = 0x00020, |
214777ba | 173 | .set_uproc_interrupt_reg32 = 0x00024, |
dcbad00e | 174 | .clr_uproc_interrupt_reg = 0x00028, |
214777ba WB |
175 | .clr_uproc_interrupt_reg32 = 0x0002C, |
176 | .init_feedback_reg = 0x0005C, | |
dcbad00e | 177 | .dump_addr_reg = 0x00064, |
8701f185 WB |
178 | .dump_data_reg = 0x00068, |
179 | .endian_swap_reg = 0x00084 | |
a74c1639 WB |
180 | } |
181 | }, | |
1da177e4 LT |
182 | }; |
183 | ||
184 | static const struct ipr_chip_t ipr_chip[] = { | |
cb237ef7 WB |
185 | { PCI_VENDOR_ID_MYLEX, PCI_DEVICE_ID_IBM_GEMSTONE, IPR_USE_LSI, IPR_SIS32, IPR_PCI_CFG, &ipr_chip_cfg[0] }, |
186 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CITRINE, IPR_USE_LSI, IPR_SIS32, IPR_PCI_CFG, &ipr_chip_cfg[0] }, | |
187 | { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN, IPR_USE_LSI, IPR_SIS32, IPR_PCI_CFG, &ipr_chip_cfg[0] }, | |
188 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN, IPR_USE_LSI, IPR_SIS32, IPR_PCI_CFG, &ipr_chip_cfg[0] }, | |
189 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E, IPR_USE_MSI, IPR_SIS32, IPR_PCI_CFG, &ipr_chip_cfg[0] }, | |
190 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_SNIPE, IPR_USE_LSI, IPR_SIS32, IPR_PCI_CFG, &ipr_chip_cfg[1] }, | |
191 | { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP, IPR_USE_LSI, IPR_SIS32, IPR_PCI_CFG, &ipr_chip_cfg[1] }, | |
192 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_FPGA_E2, IPR_USE_MSI, IPR_SIS64, IPR_MMIO, &ipr_chip_cfg[2] }, | |
cd9b3d04 | 193 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, IPR_USE_MSI, IPR_SIS64, IPR_MMIO, &ipr_chip_cfg[2] } |
1da177e4 LT |
194 | }; |
195 | ||
203fa3fe | 196 | static int ipr_max_bus_speeds[] = { |
1da177e4 LT |
197 | IPR_80MBs_SCSI_RATE, IPR_U160_SCSI_RATE, IPR_U320_SCSI_RATE |
198 | }; | |
199 | ||
200 | MODULE_AUTHOR("Brian King <brking@us.ibm.com>"); | |
201 | MODULE_DESCRIPTION("IBM Power RAID SCSI Adapter Driver"); | |
202 | module_param_named(max_speed, ipr_max_speed, uint, 0); | |
203 | MODULE_PARM_DESC(max_speed, "Maximum bus speed (0-2). Default: 1=U160. Speeds: 0=80 MB/s, 1=U160, 2=U320"); | |
204 | module_param_named(log_level, ipr_log_level, uint, 0); | |
205 | MODULE_PARM_DESC(log_level, "Set to 0 - 4 for increasing verbosity of device driver"); | |
206 | module_param_named(testmode, ipr_testmode, int, 0); | |
207 | MODULE_PARM_DESC(testmode, "DANGEROUS!!! Allows unsupported configurations"); | |
2cf22be0 | 208 | module_param_named(fastfail, ipr_fastfail, int, S_IRUGO | S_IWUSR); |
1da177e4 LT |
209 | MODULE_PARM_DESC(fastfail, "Reduce timeouts and retries"); |
210 | module_param_named(transop_timeout, ipr_transop_timeout, int, 0); | |
211 | MODULE_PARM_DESC(transop_timeout, "Time in seconds to wait for adapter to come operational (default: 300)"); | |
2cf22be0 | 212 | module_param_named(debug, ipr_debug, int, S_IRUGO | S_IWUSR); |
d3c74871 | 213 | MODULE_PARM_DESC(debug, "Enable device driver debugging logging. Set to 1 to enable. (default: 0)"); |
ac09c349 BK |
214 | module_param_named(dual_ioa_raid, ipr_dual_ioa_raid, int, 0); |
215 | MODULE_PARM_DESC(dual_ioa_raid, "Enable dual adapter RAID support. Set to 1 to enable. (default: 1)"); | |
3e7ebdfa WB |
216 | module_param_named(max_devs, ipr_max_devs, int, 0); |
217 | MODULE_PARM_DESC(max_devs, "Specify the maximum number of physical devices. " | |
218 | "[Default=" __stringify(IPR_DEFAULT_SIS64_DEVS) "]"); | |
05a6538a | 219 | module_param_named(number_of_msix, ipr_number_of_msix, int, 0); |
220 | MODULE_PARM_DESC(number_of_msix, "Specify the number of MSIX interrupts to use on capable adapters (1 - 5). (default:2)"); | |
1da177e4 LT |
221 | MODULE_LICENSE("GPL"); |
222 | MODULE_VERSION(IPR_DRIVER_VERSION); | |
223 | ||
1da177e4 LT |
224 | /* A constant array of IOASCs/URCs/Error Messages */ |
225 | static const | |
226 | struct ipr_error_table_t ipr_error_table[] = { | |
933916f3 | 227 | {0x00000000, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 LT |
228 | "8155: An unknown error was received"}, |
229 | {0x00330000, 0, 0, | |
230 | "Soft underlength error"}, | |
231 | {0x005A0000, 0, 0, | |
232 | "Command to be cancelled not found"}, | |
233 | {0x00808000, 0, 0, | |
234 | "Qualified success"}, | |
933916f3 | 235 | {0x01080000, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 236 | "FFFE: Soft device bus error recovered by the IOA"}, |
933916f3 | 237 | {0x01088100, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 238 | "4101: Soft device bus fabric error"}, |
5aa3a333 WB |
239 | {0x01100100, 0, IPR_DEFAULT_LOG_LEVEL, |
240 | "FFFC: Logical block guard error recovered by the device"}, | |
241 | {0x01100300, 0, IPR_DEFAULT_LOG_LEVEL, | |
242 | "FFFC: Logical block reference tag error recovered by the device"}, | |
243 | {0x01108300, 0, IPR_DEFAULT_LOG_LEVEL, | |
244 | "4171: Recovered scatter list tag / sequence number error"}, | |
245 | {0x01109000, 0, IPR_DEFAULT_LOG_LEVEL, | |
246 | "FF3D: Recovered logical block CRC error on IOA to Host transfer"}, | |
247 | {0x01109200, 0, IPR_DEFAULT_LOG_LEVEL, | |
248 | "4171: Recovered logical block sequence number error on IOA to Host transfer"}, | |
249 | {0x0110A000, 0, IPR_DEFAULT_LOG_LEVEL, | |
250 | "FFFD: Recovered logical block reference tag error detected by the IOA"}, | |
251 | {0x0110A100, 0, IPR_DEFAULT_LOG_LEVEL, | |
252 | "FFFD: Logical block guard error recovered by the IOA"}, | |
933916f3 | 253 | {0x01170600, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 254 | "FFF9: Device sector reassign successful"}, |
933916f3 | 255 | {0x01170900, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 256 | "FFF7: Media error recovered by device rewrite procedures"}, |
933916f3 | 257 | {0x01180200, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 258 | "7001: IOA sector reassignment successful"}, |
933916f3 | 259 | {0x01180500, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 260 | "FFF9: Soft media error. Sector reassignment recommended"}, |
933916f3 | 261 | {0x01180600, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 262 | "FFF7: Media error recovered by IOA rewrite procedures"}, |
933916f3 | 263 | {0x01418000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 264 | "FF3D: Soft PCI bus error recovered by the IOA"}, |
933916f3 | 265 | {0x01440000, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 266 | "FFF6: Device hardware error recovered by the IOA"}, |
933916f3 | 267 | {0x01448100, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 268 | "FFF6: Device hardware error recovered by the device"}, |
933916f3 | 269 | {0x01448200, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 270 | "FF3D: Soft IOA error recovered by the IOA"}, |
933916f3 | 271 | {0x01448300, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 272 | "FFFA: Undefined device response recovered by the IOA"}, |
933916f3 | 273 | {0x014A0000, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 274 | "FFF6: Device bus error, message or command phase"}, |
933916f3 | 275 | {0x014A8000, 0, IPR_DEFAULT_LOG_LEVEL, |
35a39691 | 276 | "FFFE: Task Management Function failed"}, |
933916f3 | 277 | {0x015D0000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 278 | "FFF6: Failure prediction threshold exceeded"}, |
933916f3 | 279 | {0x015D9200, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 LT |
280 | "8009: Impending cache battery pack failure"}, |
281 | {0x02040400, 0, 0, | |
282 | "34FF: Disk device format in progress"}, | |
65f56475 BK |
283 | {0x02048000, 0, IPR_DEFAULT_LOG_LEVEL, |
284 | "9070: IOA requested reset"}, | |
1da177e4 LT |
285 | {0x023F0000, 0, 0, |
286 | "Synchronization required"}, | |
287 | {0x024E0000, 0, 0, | |
288 | "No ready, IOA shutdown"}, | |
289 | {0x025A0000, 0, 0, | |
290 | "Not ready, IOA has been shutdown"}, | |
933916f3 | 291 | {0x02670100, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 LT |
292 | "3020: Storage subsystem configuration error"}, |
293 | {0x03110B00, 0, 0, | |
294 | "FFF5: Medium error, data unreadable, recommend reassign"}, | |
295 | {0x03110C00, 0, 0, | |
296 | "7000: Medium error, data unreadable, do not reassign"}, | |
933916f3 | 297 | {0x03310000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 298 | "FFF3: Disk media format bad"}, |
933916f3 | 299 | {0x04050000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 300 | "3002: Addressed device failed to respond to selection"}, |
933916f3 | 301 | {0x04080000, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 302 | "3100: Device bus error"}, |
933916f3 | 303 | {0x04080100, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 LT |
304 | "3109: IOA timed out a device command"}, |
305 | {0x04088000, 0, 0, | |
306 | "3120: SCSI bus is not operational"}, | |
933916f3 | 307 | {0x04088100, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 308 | "4100: Hard device bus fabric error"}, |
5aa3a333 WB |
309 | {0x04100100, 0, IPR_DEFAULT_LOG_LEVEL, |
310 | "310C: Logical block guard error detected by the device"}, | |
311 | {0x04100300, 0, IPR_DEFAULT_LOG_LEVEL, | |
312 | "310C: Logical block reference tag error detected by the device"}, | |
313 | {0x04108300, 1, IPR_DEFAULT_LOG_LEVEL, | |
314 | "4170: Scatter list tag / sequence number error"}, | |
315 | {0x04109000, 1, IPR_DEFAULT_LOG_LEVEL, | |
316 | "8150: Logical block CRC error on IOA to Host transfer"}, | |
317 | {0x04109200, 1, IPR_DEFAULT_LOG_LEVEL, | |
318 | "4170: Logical block sequence number error on IOA to Host transfer"}, | |
319 | {0x0410A000, 0, IPR_DEFAULT_LOG_LEVEL, | |
320 | "310D: Logical block reference tag error detected by the IOA"}, | |
321 | {0x0410A100, 0, IPR_DEFAULT_LOG_LEVEL, | |
322 | "310D: Logical block guard error detected by the IOA"}, | |
933916f3 | 323 | {0x04118000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 324 | "9000: IOA reserved area data check"}, |
933916f3 | 325 | {0x04118100, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 326 | "9001: IOA reserved area invalid data pattern"}, |
933916f3 | 327 | {0x04118200, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 328 | "9002: IOA reserved area LRC error"}, |
5aa3a333 WB |
329 | {0x04118300, 1, IPR_DEFAULT_LOG_LEVEL, |
330 | "Hardware Error, IOA metadata access error"}, | |
933916f3 | 331 | {0x04320000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 332 | "102E: Out of alternate sectors for disk storage"}, |
933916f3 | 333 | {0x04330000, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 334 | "FFF4: Data transfer underlength error"}, |
933916f3 | 335 | {0x04338000, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 336 | "FFF4: Data transfer overlength error"}, |
933916f3 | 337 | {0x043E0100, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 338 | "3400: Logical unit failure"}, |
933916f3 | 339 | {0x04408500, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 340 | "FFF4: Device microcode is corrupt"}, |
933916f3 | 341 | {0x04418000, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 LT |
342 | "8150: PCI bus error"}, |
343 | {0x04430000, 1, 0, | |
344 | "Unsupported device bus message received"}, | |
933916f3 | 345 | {0x04440000, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 346 | "FFF4: Disk device problem"}, |
933916f3 | 347 | {0x04448200, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 348 | "8150: Permanent IOA failure"}, |
933916f3 | 349 | {0x04448300, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 350 | "3010: Disk device returned wrong response to IOA"}, |
933916f3 | 351 | {0x04448400, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 LT |
352 | "8151: IOA microcode error"}, |
353 | {0x04448500, 0, 0, | |
354 | "Device bus status error"}, | |
933916f3 | 355 | {0x04448600, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 356 | "8157: IOA error requiring IOA reset to recover"}, |
35a39691 BK |
357 | {0x04448700, 0, 0, |
358 | "ATA device status error"}, | |
1da177e4 LT |
359 | {0x04490000, 0, 0, |
360 | "Message reject received from the device"}, | |
933916f3 | 361 | {0x04449200, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 362 | "8008: A permanent cache battery pack failure occurred"}, |
933916f3 | 363 | {0x0444A000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 364 | "9090: Disk unit has been modified after the last known status"}, |
933916f3 | 365 | {0x0444A200, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 366 | "9081: IOA detected device error"}, |
933916f3 | 367 | {0x0444A300, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 368 | "9082: IOA detected device error"}, |
933916f3 | 369 | {0x044A0000, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 370 | "3110: Device bus error, message or command phase"}, |
933916f3 | 371 | {0x044A8000, 1, IPR_DEFAULT_LOG_LEVEL, |
35a39691 | 372 | "3110: SAS Command / Task Management Function failed"}, |
933916f3 | 373 | {0x04670400, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 374 | "9091: Incorrect hardware configuration change has been detected"}, |
933916f3 | 375 | {0x04678000, 0, IPR_DEFAULT_LOG_LEVEL, |
b0df54bb | 376 | "9073: Invalid multi-adapter configuration"}, |
933916f3 | 377 | {0x04678100, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 378 | "4010: Incorrect connection between cascaded expanders"}, |
933916f3 | 379 | {0x04678200, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 380 | "4020: Connections exceed IOA design limits"}, |
933916f3 | 381 | {0x04678300, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 382 | "4030: Incorrect multipath connection"}, |
933916f3 | 383 | {0x04679000, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 384 | "4110: Unsupported enclosure function"}, |
933916f3 | 385 | {0x046E0000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 LT |
386 | "FFF4: Command to logical unit failed"}, |
387 | {0x05240000, 1, 0, | |
388 | "Illegal request, invalid request type or request packet"}, | |
389 | {0x05250000, 0, 0, | |
390 | "Illegal request, invalid resource handle"}, | |
b0df54bb | 391 | {0x05258000, 0, 0, |
392 | "Illegal request, commands not allowed to this device"}, | |
393 | {0x05258100, 0, 0, | |
394 | "Illegal request, command not allowed to a secondary adapter"}, | |
5aa3a333 WB |
395 | {0x05258200, 0, 0, |
396 | "Illegal request, command not allowed to a non-optimized resource"}, | |
1da177e4 LT |
397 | {0x05260000, 0, 0, |
398 | "Illegal request, invalid field in parameter list"}, | |
399 | {0x05260100, 0, 0, | |
400 | "Illegal request, parameter not supported"}, | |
401 | {0x05260200, 0, 0, | |
402 | "Illegal request, parameter value invalid"}, | |
403 | {0x052C0000, 0, 0, | |
404 | "Illegal request, command sequence error"}, | |
b0df54bb | 405 | {0x052C8000, 1, 0, |
406 | "Illegal request, dual adapter support not enabled"}, | |
933916f3 | 407 | {0x06040500, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 408 | "9031: Array protection temporarily suspended, protection resuming"}, |
933916f3 | 409 | {0x06040600, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 410 | "9040: Array protection temporarily suspended, protection resuming"}, |
933916f3 | 411 | {0x06288000, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 412 | "3140: Device bus not ready to ready transition"}, |
933916f3 | 413 | {0x06290000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 LT |
414 | "FFFB: SCSI bus was reset"}, |
415 | {0x06290500, 0, 0, | |
416 | "FFFE: SCSI bus transition to single ended"}, | |
417 | {0x06290600, 0, 0, | |
418 | "FFFE: SCSI bus transition to LVD"}, | |
933916f3 | 419 | {0x06298000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 420 | "FFFB: SCSI bus was reset by another initiator"}, |
933916f3 | 421 | {0x063F0300, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 422 | "3029: A device replacement has occurred"}, |
933916f3 | 423 | {0x064C8000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 424 | "9051: IOA cache data exists for a missing or failed device"}, |
933916f3 | 425 | {0x064C8100, 0, IPR_DEFAULT_LOG_LEVEL, |
b0df54bb | 426 | "9055: Auxiliary cache IOA contains cache data needed by the primary IOA"}, |
933916f3 | 427 | {0x06670100, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 428 | "9025: Disk unit is not supported at its physical location"}, |
933916f3 | 429 | {0x06670600, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 430 | "3020: IOA detected a SCSI bus configuration error"}, |
933916f3 | 431 | {0x06678000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 432 | "3150: SCSI bus configuration error"}, |
933916f3 | 433 | {0x06678100, 0, IPR_DEFAULT_LOG_LEVEL, |
b0df54bb | 434 | "9074: Asymmetric advanced function disk configuration"}, |
933916f3 | 435 | {0x06678300, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 436 | "4040: Incomplete multipath connection between IOA and enclosure"}, |
933916f3 | 437 | {0x06678400, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 438 | "4041: Incomplete multipath connection between enclosure and device"}, |
933916f3 | 439 | {0x06678500, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 440 | "9075: Incomplete multipath connection between IOA and remote IOA"}, |
933916f3 | 441 | {0x06678600, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 442 | "9076: Configuration error, missing remote IOA"}, |
933916f3 | 443 | {0x06679100, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 444 | "4050: Enclosure does not support a required multipath function"}, |
b75424fc WB |
445 | {0x06690000, 0, IPR_DEFAULT_LOG_LEVEL, |
446 | "4070: Logically bad block written on device"}, | |
933916f3 | 447 | {0x06690200, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 448 | "9041: Array protection temporarily suspended"}, |
933916f3 | 449 | {0x06698200, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 450 | "9042: Corrupt array parity detected on specified device"}, |
933916f3 | 451 | {0x066B0200, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 452 | "9030: Array no longer protected due to missing or failed disk unit"}, |
933916f3 | 453 | {0x066B8000, 0, IPR_DEFAULT_LOG_LEVEL, |
b0df54bb | 454 | "9071: Link operational transition"}, |
933916f3 | 455 | {0x066B8100, 0, IPR_DEFAULT_LOG_LEVEL, |
b0df54bb | 456 | "9072: Link not operational transition"}, |
933916f3 | 457 | {0x066B8200, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 458 | "9032: Array exposed but still protected"}, |
e435340c BK |
459 | {0x066B8300, 0, IPR_DEFAULT_LOG_LEVEL + 1, |
460 | "70DD: Device forced failed by disrupt device command"}, | |
933916f3 | 461 | {0x066B9100, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 462 | "4061: Multipath redundancy level got better"}, |
933916f3 | 463 | {0x066B9200, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 464 | "4060: Multipath redundancy level got worse"}, |
1da177e4 LT |
465 | {0x07270000, 0, 0, |
466 | "Failure due to other device"}, | |
933916f3 | 467 | {0x07278000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 468 | "9008: IOA does not support functions expected by devices"}, |
933916f3 | 469 | {0x07278100, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 470 | "9010: Cache data associated with attached devices cannot be found"}, |
933916f3 | 471 | {0x07278200, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 472 | "9011: Cache data belongs to devices other than those attached"}, |
933916f3 | 473 | {0x07278400, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 474 | "9020: Array missing 2 or more devices with only 1 device present"}, |
933916f3 | 475 | {0x07278500, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 476 | "9021: Array missing 2 or more devices with 2 or more devices present"}, |
933916f3 | 477 | {0x07278600, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 478 | "9022: Exposed array is missing a required device"}, |
933916f3 | 479 | {0x07278700, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 480 | "9023: Array member(s) not at required physical locations"}, |
933916f3 | 481 | {0x07278800, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 482 | "9024: Array not functional due to present hardware configuration"}, |
933916f3 | 483 | {0x07278900, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 484 | "9026: Array not functional due to present hardware configuration"}, |
933916f3 | 485 | {0x07278A00, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 486 | "9027: Array is missing a device and parity is out of sync"}, |
933916f3 | 487 | {0x07278B00, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 488 | "9028: Maximum number of arrays already exist"}, |
933916f3 | 489 | {0x07278C00, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 490 | "9050: Required cache data cannot be located for a disk unit"}, |
933916f3 | 491 | {0x07278D00, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 492 | "9052: Cache data exists for a device that has been modified"}, |
933916f3 | 493 | {0x07278F00, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 494 | "9054: IOA resources not available due to previous problems"}, |
933916f3 | 495 | {0x07279100, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 496 | "9092: Disk unit requires initialization before use"}, |
933916f3 | 497 | {0x07279200, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 498 | "9029: Incorrect hardware configuration change has been detected"}, |
933916f3 | 499 | {0x07279600, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 500 | "9060: One or more disk pairs are missing from an array"}, |
933916f3 | 501 | {0x07279700, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 502 | "9061: One or more disks are missing from an array"}, |
933916f3 | 503 | {0x07279800, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 504 | "9062: One or more disks are missing from an array"}, |
933916f3 | 505 | {0x07279900, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 LT |
506 | "9063: Maximum number of functional arrays has been exceeded"}, |
507 | {0x0B260000, 0, 0, | |
508 | "Aborted command, invalid descriptor"}, | |
509 | {0x0B5A0000, 0, 0, | |
510 | "Command terminated by host"} | |
511 | }; | |
512 | ||
513 | static const struct ipr_ses_table_entry ipr_ses_table[] = { | |
514 | { "2104-DL1 ", "XXXXXXXXXXXXXXXX", 80 }, | |
515 | { "2104-TL1 ", "XXXXXXXXXXXXXXXX", 80 }, | |
516 | { "HSBP07M P U2SCSI", "XXXXXXXXXXXXXXXX", 80 }, /* Hidive 7 slot */ | |
517 | { "HSBP05M P U2SCSI", "XXXXXXXXXXXXXXXX", 80 }, /* Hidive 5 slot */ | |
518 | { "HSBP05M S U2SCSI", "XXXXXXXXXXXXXXXX", 80 }, /* Bowtie */ | |
519 | { "HSBP06E ASU2SCSI", "XXXXXXXXXXXXXXXX", 80 }, /* MartinFenning */ | |
520 | { "2104-DU3 ", "XXXXXXXXXXXXXXXX", 160 }, | |
521 | { "2104-TU3 ", "XXXXXXXXXXXXXXXX", 160 }, | |
522 | { "HSBP04C RSU2SCSI", "XXXXXXX*XXXXXXXX", 160 }, | |
523 | { "HSBP06E RSU2SCSI", "XXXXXXX*XXXXXXXX", 160 }, | |
524 | { "St V1S2 ", "XXXXXXXXXXXXXXXX", 160 }, | |
525 | { "HSBPD4M PU3SCSI", "XXXXXXX*XXXXXXXX", 160 }, | |
526 | { "VSBPD1H U3SCSI", "XXXXXXX*XXXXXXXX", 160 } | |
527 | }; | |
528 | ||
529 | /* | |
530 | * Function Prototypes | |
531 | */ | |
532 | static int ipr_reset_alert(struct ipr_cmnd *); | |
533 | static void ipr_process_ccn(struct ipr_cmnd *); | |
534 | static void ipr_process_error(struct ipr_cmnd *); | |
535 | static void ipr_reset_ioa_job(struct ipr_cmnd *); | |
536 | static void ipr_initiate_ioa_reset(struct ipr_ioa_cfg *, | |
537 | enum ipr_shutdown_type); | |
538 | ||
539 | #ifdef CONFIG_SCSI_IPR_TRACE | |
540 | /** | |
541 | * ipr_trc_hook - Add a trace entry to the driver trace | |
542 | * @ipr_cmd: ipr command struct | |
543 | * @type: trace type | |
544 | * @add_data: additional data | |
545 | * | |
546 | * Return value: | |
547 | * none | |
548 | **/ | |
549 | static void ipr_trc_hook(struct ipr_cmnd *ipr_cmd, | |
550 | u8 type, u32 add_data) | |
551 | { | |
552 | struct ipr_trace_entry *trace_entry; | |
553 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
554 | ||
555 | trace_entry = &ioa_cfg->trace[ioa_cfg->trace_index++]; | |
556 | trace_entry->time = jiffies; | |
557 | trace_entry->op_code = ipr_cmd->ioarcb.cmd_pkt.cdb[0]; | |
558 | trace_entry->type = type; | |
a32c055f WB |
559 | if (ipr_cmd->ioa_cfg->sis64) |
560 | trace_entry->ata_op_code = ipr_cmd->i.ata_ioadl.regs.command; | |
561 | else | |
562 | trace_entry->ata_op_code = ipr_cmd->ioarcb.u.add_data.u.regs.command; | |
35a39691 | 563 | trace_entry->cmd_index = ipr_cmd->cmd_index & 0xff; |
1da177e4 LT |
564 | trace_entry->res_handle = ipr_cmd->ioarcb.res_handle; |
565 | trace_entry->u.add_data = add_data; | |
566 | } | |
567 | #else | |
203fa3fe | 568 | #define ipr_trc_hook(ipr_cmd, type, add_data) do { } while (0) |
1da177e4 LT |
569 | #endif |
570 | ||
172cd6e1 BK |
571 | /** |
572 | * ipr_lock_and_done - Acquire lock and complete command | |
573 | * @ipr_cmd: ipr command struct | |
574 | * | |
575 | * Return value: | |
576 | * none | |
577 | **/ | |
578 | static void ipr_lock_and_done(struct ipr_cmnd *ipr_cmd) | |
579 | { | |
580 | unsigned long lock_flags; | |
581 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
582 | ||
583 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
584 | ipr_cmd->done(ipr_cmd); | |
585 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
586 | } | |
587 | ||
1da177e4 LT |
588 | /** |
589 | * ipr_reinit_ipr_cmnd - Re-initialize an IPR Cmnd block for reuse | |
590 | * @ipr_cmd: ipr command struct | |
591 | * | |
592 | * Return value: | |
593 | * none | |
594 | **/ | |
595 | static void ipr_reinit_ipr_cmnd(struct ipr_cmnd *ipr_cmd) | |
596 | { | |
597 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
96d21f00 WB |
598 | struct ipr_ioasa *ioasa = &ipr_cmd->s.ioasa; |
599 | struct ipr_ioasa64 *ioasa64 = &ipr_cmd->s.ioasa64; | |
a32c055f | 600 | dma_addr_t dma_addr = ipr_cmd->dma_addr; |
05a6538a | 601 | int hrrq_id; |
1da177e4 | 602 | |
05a6538a | 603 | hrrq_id = ioarcb->cmd_pkt.hrrq_id; |
1da177e4 | 604 | memset(&ioarcb->cmd_pkt, 0, sizeof(struct ipr_cmd_pkt)); |
05a6538a | 605 | ioarcb->cmd_pkt.hrrq_id = hrrq_id; |
a32c055f | 606 | ioarcb->data_transfer_length = 0; |
1da177e4 | 607 | ioarcb->read_data_transfer_length = 0; |
a32c055f | 608 | ioarcb->ioadl_len = 0; |
1da177e4 | 609 | ioarcb->read_ioadl_len = 0; |
a32c055f | 610 | |
96d21f00 | 611 | if (ipr_cmd->ioa_cfg->sis64) { |
a32c055f WB |
612 | ioarcb->u.sis64_addr_data.data_ioadl_addr = |
613 | cpu_to_be64(dma_addr + offsetof(struct ipr_cmnd, i.ioadl64)); | |
96d21f00 WB |
614 | ioasa64->u.gata.status = 0; |
615 | } else { | |
a32c055f WB |
616 | ioarcb->write_ioadl_addr = |
617 | cpu_to_be32(dma_addr + offsetof(struct ipr_cmnd, i.ioadl)); | |
618 | ioarcb->read_ioadl_addr = ioarcb->write_ioadl_addr; | |
96d21f00 | 619 | ioasa->u.gata.status = 0; |
a32c055f WB |
620 | } |
621 | ||
96d21f00 WB |
622 | ioasa->hdr.ioasc = 0; |
623 | ioasa->hdr.residual_data_len = 0; | |
1da177e4 | 624 | ipr_cmd->scsi_cmd = NULL; |
35a39691 | 625 | ipr_cmd->qc = NULL; |
1da177e4 LT |
626 | ipr_cmd->sense_buffer[0] = 0; |
627 | ipr_cmd->dma_use_sg = 0; | |
628 | } | |
629 | ||
630 | /** | |
631 | * ipr_init_ipr_cmnd - Initialize an IPR Cmnd block | |
632 | * @ipr_cmd: ipr command struct | |
633 | * | |
634 | * Return value: | |
635 | * none | |
636 | **/ | |
172cd6e1 BK |
637 | static void ipr_init_ipr_cmnd(struct ipr_cmnd *ipr_cmd, |
638 | void (*fast_done) (struct ipr_cmnd *)) | |
1da177e4 LT |
639 | { |
640 | ipr_reinit_ipr_cmnd(ipr_cmd); | |
641 | ipr_cmd->u.scratch = 0; | |
642 | ipr_cmd->sibling = NULL; | |
172cd6e1 | 643 | ipr_cmd->fast_done = fast_done; |
1da177e4 LT |
644 | init_timer(&ipr_cmd->timer); |
645 | } | |
646 | ||
647 | /** | |
00bfef2c | 648 | * __ipr_get_free_ipr_cmnd - Get a free IPR Cmnd block |
1da177e4 LT |
649 | * @ioa_cfg: ioa config struct |
650 | * | |
651 | * Return value: | |
652 | * pointer to ipr command struct | |
653 | **/ | |
654 | static | |
05a6538a | 655 | struct ipr_cmnd *__ipr_get_free_ipr_cmnd(struct ipr_hrr_queue *hrrq) |
1da177e4 | 656 | { |
05a6538a | 657 | struct ipr_cmnd *ipr_cmd = NULL; |
658 | ||
659 | if (likely(!list_empty(&hrrq->hrrq_free_q))) { | |
660 | ipr_cmd = list_entry(hrrq->hrrq_free_q.next, | |
661 | struct ipr_cmnd, queue); | |
662 | list_del(&ipr_cmd->queue); | |
663 | } | |
1da177e4 | 664 | |
1da177e4 LT |
665 | |
666 | return ipr_cmd; | |
667 | } | |
668 | ||
00bfef2c BK |
669 | /** |
670 | * ipr_get_free_ipr_cmnd - Get a free IPR Cmnd block and initialize it | |
671 | * @ioa_cfg: ioa config struct | |
672 | * | |
673 | * Return value: | |
674 | * pointer to ipr command struct | |
675 | **/ | |
676 | static | |
677 | struct ipr_cmnd *ipr_get_free_ipr_cmnd(struct ipr_ioa_cfg *ioa_cfg) | |
678 | { | |
05a6538a | 679 | struct ipr_cmnd *ipr_cmd = |
680 | __ipr_get_free_ipr_cmnd(&ioa_cfg->hrrq[IPR_INIT_HRRQ]); | |
172cd6e1 | 681 | ipr_init_ipr_cmnd(ipr_cmd, ipr_lock_and_done); |
00bfef2c BK |
682 | return ipr_cmd; |
683 | } | |
684 | ||
1da177e4 LT |
685 | /** |
686 | * ipr_mask_and_clear_interrupts - Mask all and clear specified interrupts | |
687 | * @ioa_cfg: ioa config struct | |
688 | * @clr_ints: interrupts to clear | |
689 | * | |
690 | * This function masks all interrupts on the adapter, then clears the | |
691 | * interrupts specified in the mask | |
692 | * | |
693 | * Return value: | |
694 | * none | |
695 | **/ | |
696 | static void ipr_mask_and_clear_interrupts(struct ipr_ioa_cfg *ioa_cfg, | |
697 | u32 clr_ints) | |
698 | { | |
699 | volatile u32 int_reg; | |
700 | ||
701 | /* Stop new interrupts */ | |
702 | ioa_cfg->allow_interrupts = 0; | |
703 | ||
704 | /* Set interrupt mask to stop all new interrupts */ | |
214777ba WB |
705 | if (ioa_cfg->sis64) |
706 | writeq(~0, ioa_cfg->regs.set_interrupt_mask_reg); | |
707 | else | |
708 | writel(~0, ioa_cfg->regs.set_interrupt_mask_reg); | |
1da177e4 LT |
709 | |
710 | /* Clear any pending interrupts */ | |
214777ba WB |
711 | if (ioa_cfg->sis64) |
712 | writel(~0, ioa_cfg->regs.clr_interrupt_reg); | |
713 | writel(clr_ints, ioa_cfg->regs.clr_interrupt_reg32); | |
1da177e4 LT |
714 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg); |
715 | } | |
716 | ||
717 | /** | |
718 | * ipr_save_pcix_cmd_reg - Save PCI-X command register | |
719 | * @ioa_cfg: ioa config struct | |
720 | * | |
721 | * Return value: | |
722 | * 0 on success / -EIO on failure | |
723 | **/ | |
724 | static int ipr_save_pcix_cmd_reg(struct ipr_ioa_cfg *ioa_cfg) | |
725 | { | |
726 | int pcix_cmd_reg = pci_find_capability(ioa_cfg->pdev, PCI_CAP_ID_PCIX); | |
727 | ||
7dce0e1c BK |
728 | if (pcix_cmd_reg == 0) |
729 | return 0; | |
1da177e4 LT |
730 | |
731 | if (pci_read_config_word(ioa_cfg->pdev, pcix_cmd_reg + PCI_X_CMD, | |
732 | &ioa_cfg->saved_pcix_cmd_reg) != PCIBIOS_SUCCESSFUL) { | |
733 | dev_err(&ioa_cfg->pdev->dev, "Failed to save PCI-X command register\n"); | |
734 | return -EIO; | |
735 | } | |
736 | ||
737 | ioa_cfg->saved_pcix_cmd_reg |= PCI_X_CMD_DPERR_E | PCI_X_CMD_ERO; | |
738 | return 0; | |
739 | } | |
740 | ||
741 | /** | |
742 | * ipr_set_pcix_cmd_reg - Setup PCI-X command register | |
743 | * @ioa_cfg: ioa config struct | |
744 | * | |
745 | * Return value: | |
746 | * 0 on success / -EIO on failure | |
747 | **/ | |
748 | static int ipr_set_pcix_cmd_reg(struct ipr_ioa_cfg *ioa_cfg) | |
749 | { | |
750 | int pcix_cmd_reg = pci_find_capability(ioa_cfg->pdev, PCI_CAP_ID_PCIX); | |
751 | ||
752 | if (pcix_cmd_reg) { | |
753 | if (pci_write_config_word(ioa_cfg->pdev, pcix_cmd_reg + PCI_X_CMD, | |
754 | ioa_cfg->saved_pcix_cmd_reg) != PCIBIOS_SUCCESSFUL) { | |
755 | dev_err(&ioa_cfg->pdev->dev, "Failed to setup PCI-X command register\n"); | |
756 | return -EIO; | |
757 | } | |
1da177e4 LT |
758 | } |
759 | ||
760 | return 0; | |
761 | } | |
762 | ||
35a39691 BK |
763 | /** |
764 | * ipr_sata_eh_done - done function for aborted SATA commands | |
765 | * @ipr_cmd: ipr command struct | |
766 | * | |
767 | * This function is invoked for ops generated to SATA | |
768 | * devices which are being aborted. | |
769 | * | |
770 | * Return value: | |
771 | * none | |
772 | **/ | |
773 | static void ipr_sata_eh_done(struct ipr_cmnd *ipr_cmd) | |
774 | { | |
35a39691 BK |
775 | struct ata_queued_cmd *qc = ipr_cmd->qc; |
776 | struct ipr_sata_port *sata_port = qc->ap->private_data; | |
777 | ||
778 | qc->err_mask |= AC_ERR_OTHER; | |
779 | sata_port->ioasa.status |= ATA_BUSY; | |
05a6538a | 780 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
35a39691 BK |
781 | ata_qc_complete(qc); |
782 | } | |
783 | ||
1da177e4 LT |
784 | /** |
785 | * ipr_scsi_eh_done - mid-layer done function for aborted ops | |
786 | * @ipr_cmd: ipr command struct | |
787 | * | |
788 | * This function is invoked by the interrupt handler for | |
789 | * ops generated by the SCSI mid-layer which are being aborted. | |
790 | * | |
791 | * Return value: | |
792 | * none | |
793 | **/ | |
794 | static void ipr_scsi_eh_done(struct ipr_cmnd *ipr_cmd) | |
795 | { | |
1da177e4 LT |
796 | struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd; |
797 | ||
798 | scsi_cmd->result |= (DID_ERROR << 16); | |
799 | ||
63015bc9 | 800 | scsi_dma_unmap(ipr_cmd->scsi_cmd); |
1da177e4 | 801 | scsi_cmd->scsi_done(scsi_cmd); |
05a6538a | 802 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
1da177e4 LT |
803 | } |
804 | ||
805 | /** | |
806 | * ipr_fail_all_ops - Fails all outstanding ops. | |
807 | * @ioa_cfg: ioa config struct | |
808 | * | |
809 | * This function fails all outstanding ops. | |
810 | * | |
811 | * Return value: | |
812 | * none | |
813 | **/ | |
814 | static void ipr_fail_all_ops(struct ipr_ioa_cfg *ioa_cfg) | |
815 | { | |
816 | struct ipr_cmnd *ipr_cmd, *temp; | |
05a6538a | 817 | struct ipr_hrr_queue *hrrq; |
1da177e4 LT |
818 | |
819 | ENTER; | |
05a6538a | 820 | for_each_hrrq(hrrq, ioa_cfg) { |
821 | list_for_each_entry_safe(ipr_cmd, | |
822 | temp, &hrrq->hrrq_pending_q, queue) { | |
823 | list_del(&ipr_cmd->queue); | |
1da177e4 | 824 | |
05a6538a | 825 | ipr_cmd->s.ioasa.hdr.ioasc = |
826 | cpu_to_be32(IPR_IOASC_IOA_WAS_RESET); | |
827 | ipr_cmd->s.ioasa.hdr.ilid = | |
828 | cpu_to_be32(IPR_DRIVER_ILID); | |
1da177e4 | 829 | |
05a6538a | 830 | if (ipr_cmd->scsi_cmd) |
831 | ipr_cmd->done = ipr_scsi_eh_done; | |
832 | else if (ipr_cmd->qc) | |
833 | ipr_cmd->done = ipr_sata_eh_done; | |
1da177e4 | 834 | |
05a6538a | 835 | ipr_trc_hook(ipr_cmd, IPR_TRACE_FINISH, |
836 | IPR_IOASC_IOA_WAS_RESET); | |
837 | del_timer(&ipr_cmd->timer); | |
838 | ipr_cmd->done(ipr_cmd); | |
839 | } | |
1da177e4 | 840 | } |
1da177e4 LT |
841 | LEAVE; |
842 | } | |
843 | ||
a32c055f WB |
844 | /** |
845 | * ipr_send_command - Send driver initiated requests. | |
846 | * @ipr_cmd: ipr command struct | |
847 | * | |
848 | * This function sends a command to the adapter using the correct write call. | |
849 | * In the case of sis64, calculate the ioarcb size required. Then or in the | |
850 | * appropriate bits. | |
851 | * | |
852 | * Return value: | |
853 | * none | |
854 | **/ | |
855 | static void ipr_send_command(struct ipr_cmnd *ipr_cmd) | |
856 | { | |
857 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
858 | dma_addr_t send_dma_addr = ipr_cmd->dma_addr; | |
859 | ||
860 | if (ioa_cfg->sis64) { | |
861 | /* The default size is 256 bytes */ | |
862 | send_dma_addr |= 0x1; | |
863 | ||
864 | /* If the number of ioadls * size of ioadl > 128 bytes, | |
865 | then use a 512 byte ioarcb */ | |
866 | if (ipr_cmd->dma_use_sg * sizeof(struct ipr_ioadl64_desc) > 128 ) | |
867 | send_dma_addr |= 0x4; | |
868 | writeq(send_dma_addr, ioa_cfg->regs.ioarrin_reg); | |
869 | } else | |
870 | writel(send_dma_addr, ioa_cfg->regs.ioarrin_reg); | |
871 | } | |
872 | ||
1da177e4 LT |
873 | /** |
874 | * ipr_do_req - Send driver initiated requests. | |
875 | * @ipr_cmd: ipr command struct | |
876 | * @done: done function | |
877 | * @timeout_func: timeout function | |
878 | * @timeout: timeout value | |
879 | * | |
880 | * This function sends the specified command to the adapter with the | |
881 | * timeout given. The done function is invoked on command completion. | |
882 | * | |
883 | * Return value: | |
884 | * none | |
885 | **/ | |
886 | static void ipr_do_req(struct ipr_cmnd *ipr_cmd, | |
887 | void (*done) (struct ipr_cmnd *), | |
888 | void (*timeout_func) (struct ipr_cmnd *), u32 timeout) | |
889 | { | |
05a6538a | 890 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_pending_q); |
1da177e4 LT |
891 | |
892 | ipr_cmd->done = done; | |
893 | ||
894 | ipr_cmd->timer.data = (unsigned long) ipr_cmd; | |
895 | ipr_cmd->timer.expires = jiffies + timeout; | |
896 | ipr_cmd->timer.function = (void (*)(unsigned long))timeout_func; | |
897 | ||
898 | add_timer(&ipr_cmd->timer); | |
899 | ||
900 | ipr_trc_hook(ipr_cmd, IPR_TRACE_START, 0); | |
901 | ||
a32c055f | 902 | ipr_send_command(ipr_cmd); |
1da177e4 LT |
903 | } |
904 | ||
905 | /** | |
906 | * ipr_internal_cmd_done - Op done function for an internally generated op. | |
907 | * @ipr_cmd: ipr command struct | |
908 | * | |
909 | * This function is the op done function for an internally generated, | |
910 | * blocking op. It simply wakes the sleeping thread. | |
911 | * | |
912 | * Return value: | |
913 | * none | |
914 | **/ | |
915 | static void ipr_internal_cmd_done(struct ipr_cmnd *ipr_cmd) | |
916 | { | |
917 | if (ipr_cmd->sibling) | |
918 | ipr_cmd->sibling = NULL; | |
919 | else | |
920 | complete(&ipr_cmd->completion); | |
921 | } | |
922 | ||
a32c055f WB |
923 | /** |
924 | * ipr_init_ioadl - initialize the ioadl for the correct SIS type | |
925 | * @ipr_cmd: ipr command struct | |
926 | * @dma_addr: dma address | |
927 | * @len: transfer length | |
928 | * @flags: ioadl flag value | |
929 | * | |
930 | * This function initializes an ioadl in the case where there is only a single | |
931 | * descriptor. | |
932 | * | |
933 | * Return value: | |
934 | * nothing | |
935 | **/ | |
936 | static void ipr_init_ioadl(struct ipr_cmnd *ipr_cmd, dma_addr_t dma_addr, | |
937 | u32 len, int flags) | |
938 | { | |
939 | struct ipr_ioadl_desc *ioadl = ipr_cmd->i.ioadl; | |
940 | struct ipr_ioadl64_desc *ioadl64 = ipr_cmd->i.ioadl64; | |
941 | ||
942 | ipr_cmd->dma_use_sg = 1; | |
943 | ||
944 | if (ipr_cmd->ioa_cfg->sis64) { | |
945 | ioadl64->flags = cpu_to_be32(flags); | |
946 | ioadl64->data_len = cpu_to_be32(len); | |
947 | ioadl64->address = cpu_to_be64(dma_addr); | |
948 | ||
949 | ipr_cmd->ioarcb.ioadl_len = | |
950 | cpu_to_be32(sizeof(struct ipr_ioadl64_desc)); | |
951 | ipr_cmd->ioarcb.data_transfer_length = cpu_to_be32(len); | |
952 | } else { | |
953 | ioadl->flags_and_data_len = cpu_to_be32(flags | len); | |
954 | ioadl->address = cpu_to_be32(dma_addr); | |
955 | ||
956 | if (flags == IPR_IOADL_FLAGS_READ_LAST) { | |
957 | ipr_cmd->ioarcb.read_ioadl_len = | |
958 | cpu_to_be32(sizeof(struct ipr_ioadl_desc)); | |
959 | ipr_cmd->ioarcb.read_data_transfer_length = cpu_to_be32(len); | |
960 | } else { | |
961 | ipr_cmd->ioarcb.ioadl_len = | |
962 | cpu_to_be32(sizeof(struct ipr_ioadl_desc)); | |
963 | ipr_cmd->ioarcb.data_transfer_length = cpu_to_be32(len); | |
964 | } | |
965 | } | |
966 | } | |
967 | ||
1da177e4 LT |
968 | /** |
969 | * ipr_send_blocking_cmd - Send command and sleep on its completion. | |
970 | * @ipr_cmd: ipr command struct | |
971 | * @timeout_func: function to invoke if command times out | |
972 | * @timeout: timeout | |
973 | * | |
974 | * Return value: | |
975 | * none | |
976 | **/ | |
977 | static void ipr_send_blocking_cmd(struct ipr_cmnd *ipr_cmd, | |
978 | void (*timeout_func) (struct ipr_cmnd *ipr_cmd), | |
979 | u32 timeout) | |
980 | { | |
981 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
982 | ||
983 | init_completion(&ipr_cmd->completion); | |
984 | ipr_do_req(ipr_cmd, ipr_internal_cmd_done, timeout_func, timeout); | |
985 | ||
986 | spin_unlock_irq(ioa_cfg->host->host_lock); | |
987 | wait_for_completion(&ipr_cmd->completion); | |
988 | spin_lock_irq(ioa_cfg->host->host_lock); | |
989 | } | |
990 | ||
05a6538a | 991 | static int ipr_get_hrrq_index(struct ipr_ioa_cfg *ioa_cfg) |
992 | { | |
993 | if (ioa_cfg->hrrq_num == 1) | |
994 | ioa_cfg->hrrq_index = 0; | |
995 | else { | |
996 | if (++ioa_cfg->hrrq_index >= ioa_cfg->hrrq_num) | |
997 | ioa_cfg->hrrq_index = 1; | |
998 | } | |
999 | return ioa_cfg->hrrq_index; | |
1000 | } | |
1001 | ||
1da177e4 LT |
1002 | /** |
1003 | * ipr_send_hcam - Send an HCAM to the adapter. | |
1004 | * @ioa_cfg: ioa config struct | |
1005 | * @type: HCAM type | |
1006 | * @hostrcb: hostrcb struct | |
1007 | * | |
1008 | * This function will send a Host Controlled Async command to the adapter. | |
1009 | * If HCAMs are currently not allowed to be issued to the adapter, it will | |
1010 | * place the hostrcb on the free queue. | |
1011 | * | |
1012 | * Return value: | |
1013 | * none | |
1014 | **/ | |
1015 | static void ipr_send_hcam(struct ipr_ioa_cfg *ioa_cfg, u8 type, | |
1016 | struct ipr_hostrcb *hostrcb) | |
1017 | { | |
1018 | struct ipr_cmnd *ipr_cmd; | |
1019 | struct ipr_ioarcb *ioarcb; | |
1020 | ||
1021 | if (ioa_cfg->allow_cmds) { | |
1022 | ipr_cmd = ipr_get_free_ipr_cmnd(ioa_cfg); | |
05a6538a | 1023 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_pending_q); |
1da177e4 LT |
1024 | list_add_tail(&hostrcb->queue, &ioa_cfg->hostrcb_pending_q); |
1025 | ||
1026 | ipr_cmd->u.hostrcb = hostrcb; | |
1027 | ioarcb = &ipr_cmd->ioarcb; | |
1028 | ||
1029 | ioarcb->res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE); | |
1030 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_HCAM; | |
1031 | ioarcb->cmd_pkt.cdb[0] = IPR_HOST_CONTROLLED_ASYNC; | |
1032 | ioarcb->cmd_pkt.cdb[1] = type; | |
1033 | ioarcb->cmd_pkt.cdb[7] = (sizeof(hostrcb->hcam) >> 8) & 0xff; | |
1034 | ioarcb->cmd_pkt.cdb[8] = sizeof(hostrcb->hcam) & 0xff; | |
1035 | ||
a32c055f WB |
1036 | ipr_init_ioadl(ipr_cmd, hostrcb->hostrcb_dma, |
1037 | sizeof(hostrcb->hcam), IPR_IOADL_FLAGS_READ_LAST); | |
1da177e4 LT |
1038 | |
1039 | if (type == IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE) | |
1040 | ipr_cmd->done = ipr_process_ccn; | |
1041 | else | |
1042 | ipr_cmd->done = ipr_process_error; | |
1043 | ||
1044 | ipr_trc_hook(ipr_cmd, IPR_TRACE_START, IPR_IOA_RES_ADDR); | |
1045 | ||
a32c055f | 1046 | ipr_send_command(ipr_cmd); |
1da177e4 LT |
1047 | } else { |
1048 | list_add_tail(&hostrcb->queue, &ioa_cfg->hostrcb_free_q); | |
1049 | } | |
1050 | } | |
1051 | ||
3e7ebdfa WB |
1052 | /** |
1053 | * ipr_update_ata_class - Update the ata class in the resource entry | |
1054 | * @res: resource entry struct | |
1055 | * @proto: cfgte device bus protocol value | |
1056 | * | |
1057 | * Return value: | |
1058 | * none | |
1059 | **/ | |
1060 | static void ipr_update_ata_class(struct ipr_resource_entry *res, unsigned int proto) | |
1061 | { | |
203fa3fe | 1062 | switch (proto) { |
3e7ebdfa WB |
1063 | case IPR_PROTO_SATA: |
1064 | case IPR_PROTO_SAS_STP: | |
1065 | res->ata_class = ATA_DEV_ATA; | |
1066 | break; | |
1067 | case IPR_PROTO_SATA_ATAPI: | |
1068 | case IPR_PROTO_SAS_STP_ATAPI: | |
1069 | res->ata_class = ATA_DEV_ATAPI; | |
1070 | break; | |
1071 | default: | |
1072 | res->ata_class = ATA_DEV_UNKNOWN; | |
1073 | break; | |
1074 | }; | |
1075 | } | |
1076 | ||
1da177e4 LT |
1077 | /** |
1078 | * ipr_init_res_entry - Initialize a resource entry struct. | |
1079 | * @res: resource entry struct | |
3e7ebdfa | 1080 | * @cfgtew: config table entry wrapper struct |
1da177e4 LT |
1081 | * |
1082 | * Return value: | |
1083 | * none | |
1084 | **/ | |
3e7ebdfa WB |
1085 | static void ipr_init_res_entry(struct ipr_resource_entry *res, |
1086 | struct ipr_config_table_entry_wrapper *cfgtew) | |
1da177e4 | 1087 | { |
3e7ebdfa WB |
1088 | int found = 0; |
1089 | unsigned int proto; | |
1090 | struct ipr_ioa_cfg *ioa_cfg = res->ioa_cfg; | |
1091 | struct ipr_resource_entry *gscsi_res = NULL; | |
1092 | ||
ee0a90fa | 1093 | res->needs_sync_complete = 0; |
1da177e4 LT |
1094 | res->in_erp = 0; |
1095 | res->add_to_ml = 0; | |
1096 | res->del_from_ml = 0; | |
1097 | res->resetting_device = 0; | |
1098 | res->sdev = NULL; | |
35a39691 | 1099 | res->sata_port = NULL; |
3e7ebdfa WB |
1100 | |
1101 | if (ioa_cfg->sis64) { | |
1102 | proto = cfgtew->u.cfgte64->proto; | |
1103 | res->res_flags = cfgtew->u.cfgte64->res_flags; | |
1104 | res->qmodel = IPR_QUEUEING_MODEL64(res); | |
438b0331 | 1105 | res->type = cfgtew->u.cfgte64->res_type; |
3e7ebdfa WB |
1106 | |
1107 | memcpy(res->res_path, &cfgtew->u.cfgte64->res_path, | |
1108 | sizeof(res->res_path)); | |
1109 | ||
1110 | res->bus = 0; | |
0cb992ed WB |
1111 | memcpy(&res->dev_lun.scsi_lun, &cfgtew->u.cfgte64->lun, |
1112 | sizeof(res->dev_lun.scsi_lun)); | |
3e7ebdfa WB |
1113 | res->lun = scsilun_to_int(&res->dev_lun); |
1114 | ||
1115 | if (res->type == IPR_RES_TYPE_GENERIC_SCSI) { | |
1116 | list_for_each_entry(gscsi_res, &ioa_cfg->used_res_q, queue) { | |
1117 | if (gscsi_res->dev_id == cfgtew->u.cfgte64->dev_id) { | |
1118 | found = 1; | |
1119 | res->target = gscsi_res->target; | |
1120 | break; | |
1121 | } | |
1122 | } | |
1123 | if (!found) { | |
1124 | res->target = find_first_zero_bit(ioa_cfg->target_ids, | |
1125 | ioa_cfg->max_devs_supported); | |
1126 | set_bit(res->target, ioa_cfg->target_ids); | |
1127 | } | |
3e7ebdfa WB |
1128 | } else if (res->type == IPR_RES_TYPE_IOAFP) { |
1129 | res->bus = IPR_IOAFP_VIRTUAL_BUS; | |
1130 | res->target = 0; | |
1131 | } else if (res->type == IPR_RES_TYPE_ARRAY) { | |
1132 | res->bus = IPR_ARRAY_VIRTUAL_BUS; | |
1133 | res->target = find_first_zero_bit(ioa_cfg->array_ids, | |
1134 | ioa_cfg->max_devs_supported); | |
1135 | set_bit(res->target, ioa_cfg->array_ids); | |
1136 | } else if (res->type == IPR_RES_TYPE_VOLUME_SET) { | |
1137 | res->bus = IPR_VSET_VIRTUAL_BUS; | |
1138 | res->target = find_first_zero_bit(ioa_cfg->vset_ids, | |
1139 | ioa_cfg->max_devs_supported); | |
1140 | set_bit(res->target, ioa_cfg->vset_ids); | |
1141 | } else { | |
1142 | res->target = find_first_zero_bit(ioa_cfg->target_ids, | |
1143 | ioa_cfg->max_devs_supported); | |
1144 | set_bit(res->target, ioa_cfg->target_ids); | |
1145 | } | |
1146 | } else { | |
1147 | proto = cfgtew->u.cfgte->proto; | |
1148 | res->qmodel = IPR_QUEUEING_MODEL(res); | |
1149 | res->flags = cfgtew->u.cfgte->flags; | |
1150 | if (res->flags & IPR_IS_IOA_RESOURCE) | |
1151 | res->type = IPR_RES_TYPE_IOAFP; | |
1152 | else | |
1153 | res->type = cfgtew->u.cfgte->rsvd_subtype & 0x0f; | |
1154 | ||
1155 | res->bus = cfgtew->u.cfgte->res_addr.bus; | |
1156 | res->target = cfgtew->u.cfgte->res_addr.target; | |
1157 | res->lun = cfgtew->u.cfgte->res_addr.lun; | |
46d74563 | 1158 | res->lun_wwn = get_unaligned_be64(cfgtew->u.cfgte->lun_wwn); |
3e7ebdfa WB |
1159 | } |
1160 | ||
1161 | ipr_update_ata_class(res, proto); | |
1162 | } | |
1163 | ||
1164 | /** | |
1165 | * ipr_is_same_device - Determine if two devices are the same. | |
1166 | * @res: resource entry struct | |
1167 | * @cfgtew: config table entry wrapper struct | |
1168 | * | |
1169 | * Return value: | |
1170 | * 1 if the devices are the same / 0 otherwise | |
1171 | **/ | |
1172 | static int ipr_is_same_device(struct ipr_resource_entry *res, | |
1173 | struct ipr_config_table_entry_wrapper *cfgtew) | |
1174 | { | |
1175 | if (res->ioa_cfg->sis64) { | |
1176 | if (!memcmp(&res->dev_id, &cfgtew->u.cfgte64->dev_id, | |
1177 | sizeof(cfgtew->u.cfgte64->dev_id)) && | |
0cb992ed | 1178 | !memcmp(&res->dev_lun.scsi_lun, &cfgtew->u.cfgte64->lun, |
3e7ebdfa WB |
1179 | sizeof(cfgtew->u.cfgte64->lun))) { |
1180 | return 1; | |
1181 | } | |
1182 | } else { | |
1183 | if (res->bus == cfgtew->u.cfgte->res_addr.bus && | |
1184 | res->target == cfgtew->u.cfgte->res_addr.target && | |
1185 | res->lun == cfgtew->u.cfgte->res_addr.lun) | |
1186 | return 1; | |
1187 | } | |
1188 | ||
1189 | return 0; | |
1190 | } | |
1191 | ||
1192 | /** | |
b3b3b407 | 1193 | * __ipr_format_res_path - Format the resource path for printing. |
3e7ebdfa WB |
1194 | * @res_path: resource path |
1195 | * @buf: buffer | |
b3b3b407 | 1196 | * @len: length of buffer provided |
3e7ebdfa WB |
1197 | * |
1198 | * Return value: | |
1199 | * pointer to buffer | |
1200 | **/ | |
b3b3b407 | 1201 | static char *__ipr_format_res_path(u8 *res_path, char *buffer, int len) |
3e7ebdfa WB |
1202 | { |
1203 | int i; | |
5adcbeb3 | 1204 | char *p = buffer; |
3e7ebdfa | 1205 | |
46d74563 | 1206 | *p = '\0'; |
5adcbeb3 WB |
1207 | p += snprintf(p, buffer + len - p, "%02X", res_path[0]); |
1208 | for (i = 1; res_path[i] != 0xff && ((i * 3) < len); i++) | |
1209 | p += snprintf(p, buffer + len - p, "-%02X", res_path[i]); | |
3e7ebdfa WB |
1210 | |
1211 | return buffer; | |
1212 | } | |
1213 | ||
b3b3b407 BK |
1214 | /** |
1215 | * ipr_format_res_path - Format the resource path for printing. | |
1216 | * @ioa_cfg: ioa config struct | |
1217 | * @res_path: resource path | |
1218 | * @buf: buffer | |
1219 | * @len: length of buffer provided | |
1220 | * | |
1221 | * Return value: | |
1222 | * pointer to buffer | |
1223 | **/ | |
1224 | static char *ipr_format_res_path(struct ipr_ioa_cfg *ioa_cfg, | |
1225 | u8 *res_path, char *buffer, int len) | |
1226 | { | |
1227 | char *p = buffer; | |
1228 | ||
1229 | *p = '\0'; | |
1230 | p += snprintf(p, buffer + len - p, "%d/", ioa_cfg->host->host_no); | |
1231 | __ipr_format_res_path(res_path, p, len - (buffer - p)); | |
1232 | return buffer; | |
1233 | } | |
1234 | ||
3e7ebdfa WB |
1235 | /** |
1236 | * ipr_update_res_entry - Update the resource entry. | |
1237 | * @res: resource entry struct | |
1238 | * @cfgtew: config table entry wrapper struct | |
1239 | * | |
1240 | * Return value: | |
1241 | * none | |
1242 | **/ | |
1243 | static void ipr_update_res_entry(struct ipr_resource_entry *res, | |
1244 | struct ipr_config_table_entry_wrapper *cfgtew) | |
1245 | { | |
1246 | char buffer[IPR_MAX_RES_PATH_LENGTH]; | |
1247 | unsigned int proto; | |
1248 | int new_path = 0; | |
1249 | ||
1250 | if (res->ioa_cfg->sis64) { | |
1251 | res->flags = cfgtew->u.cfgte64->flags; | |
1252 | res->res_flags = cfgtew->u.cfgte64->res_flags; | |
75576bb9 | 1253 | res->type = cfgtew->u.cfgte64->res_type; |
3e7ebdfa WB |
1254 | |
1255 | memcpy(&res->std_inq_data, &cfgtew->u.cfgte64->std_inq_data, | |
1256 | sizeof(struct ipr_std_inq_data)); | |
1257 | ||
1258 | res->qmodel = IPR_QUEUEING_MODEL64(res); | |
1259 | proto = cfgtew->u.cfgte64->proto; | |
1260 | res->res_handle = cfgtew->u.cfgte64->res_handle; | |
1261 | res->dev_id = cfgtew->u.cfgte64->dev_id; | |
1262 | ||
1263 | memcpy(&res->dev_lun.scsi_lun, &cfgtew->u.cfgte64->lun, | |
1264 | sizeof(res->dev_lun.scsi_lun)); | |
1265 | ||
1266 | if (memcmp(res->res_path, &cfgtew->u.cfgte64->res_path, | |
1267 | sizeof(res->res_path))) { | |
1268 | memcpy(res->res_path, &cfgtew->u.cfgte64->res_path, | |
1269 | sizeof(res->res_path)); | |
1270 | new_path = 1; | |
1271 | } | |
1272 | ||
1273 | if (res->sdev && new_path) | |
1274 | sdev_printk(KERN_INFO, res->sdev, "Resource path: %s\n", | |
b3b3b407 BK |
1275 | ipr_format_res_path(res->ioa_cfg, |
1276 | res->res_path, buffer, sizeof(buffer))); | |
3e7ebdfa WB |
1277 | } else { |
1278 | res->flags = cfgtew->u.cfgte->flags; | |
1279 | if (res->flags & IPR_IS_IOA_RESOURCE) | |
1280 | res->type = IPR_RES_TYPE_IOAFP; | |
1281 | else | |
1282 | res->type = cfgtew->u.cfgte->rsvd_subtype & 0x0f; | |
1283 | ||
1284 | memcpy(&res->std_inq_data, &cfgtew->u.cfgte->std_inq_data, | |
1285 | sizeof(struct ipr_std_inq_data)); | |
1286 | ||
1287 | res->qmodel = IPR_QUEUEING_MODEL(res); | |
1288 | proto = cfgtew->u.cfgte->proto; | |
1289 | res->res_handle = cfgtew->u.cfgte->res_handle; | |
1290 | } | |
1291 | ||
1292 | ipr_update_ata_class(res, proto); | |
1293 | } | |
1294 | ||
1295 | /** | |
1296 | * ipr_clear_res_target - Clear the bit in the bit map representing the target | |
1297 | * for the resource. | |
1298 | * @res: resource entry struct | |
1299 | * @cfgtew: config table entry wrapper struct | |
1300 | * | |
1301 | * Return value: | |
1302 | * none | |
1303 | **/ | |
1304 | static void ipr_clear_res_target(struct ipr_resource_entry *res) | |
1305 | { | |
1306 | struct ipr_resource_entry *gscsi_res = NULL; | |
1307 | struct ipr_ioa_cfg *ioa_cfg = res->ioa_cfg; | |
1308 | ||
1309 | if (!ioa_cfg->sis64) | |
1310 | return; | |
1311 | ||
1312 | if (res->bus == IPR_ARRAY_VIRTUAL_BUS) | |
1313 | clear_bit(res->target, ioa_cfg->array_ids); | |
1314 | else if (res->bus == IPR_VSET_VIRTUAL_BUS) | |
1315 | clear_bit(res->target, ioa_cfg->vset_ids); | |
1316 | else if (res->bus == 0 && res->type == IPR_RES_TYPE_GENERIC_SCSI) { | |
1317 | list_for_each_entry(gscsi_res, &ioa_cfg->used_res_q, queue) | |
1318 | if (gscsi_res->dev_id == res->dev_id && gscsi_res != res) | |
1319 | return; | |
1320 | clear_bit(res->target, ioa_cfg->target_ids); | |
1321 | ||
1322 | } else if (res->bus == 0) | |
1323 | clear_bit(res->target, ioa_cfg->target_ids); | |
1da177e4 LT |
1324 | } |
1325 | ||
1326 | /** | |
1327 | * ipr_handle_config_change - Handle a config change from the adapter | |
1328 | * @ioa_cfg: ioa config struct | |
1329 | * @hostrcb: hostrcb | |
1330 | * | |
1331 | * Return value: | |
1332 | * none | |
1333 | **/ | |
1334 | static void ipr_handle_config_change(struct ipr_ioa_cfg *ioa_cfg, | |
3e7ebdfa | 1335 | struct ipr_hostrcb *hostrcb) |
1da177e4 LT |
1336 | { |
1337 | struct ipr_resource_entry *res = NULL; | |
3e7ebdfa WB |
1338 | struct ipr_config_table_entry_wrapper cfgtew; |
1339 | __be32 cc_res_handle; | |
1340 | ||
1da177e4 LT |
1341 | u32 is_ndn = 1; |
1342 | ||
3e7ebdfa WB |
1343 | if (ioa_cfg->sis64) { |
1344 | cfgtew.u.cfgte64 = &hostrcb->hcam.u.ccn.u.cfgte64; | |
1345 | cc_res_handle = cfgtew.u.cfgte64->res_handle; | |
1346 | } else { | |
1347 | cfgtew.u.cfgte = &hostrcb->hcam.u.ccn.u.cfgte; | |
1348 | cc_res_handle = cfgtew.u.cfgte->res_handle; | |
1349 | } | |
1da177e4 LT |
1350 | |
1351 | list_for_each_entry(res, &ioa_cfg->used_res_q, queue) { | |
3e7ebdfa | 1352 | if (res->res_handle == cc_res_handle) { |
1da177e4 LT |
1353 | is_ndn = 0; |
1354 | break; | |
1355 | } | |
1356 | } | |
1357 | ||
1358 | if (is_ndn) { | |
1359 | if (list_empty(&ioa_cfg->free_res_q)) { | |
1360 | ipr_send_hcam(ioa_cfg, | |
1361 | IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE, | |
1362 | hostrcb); | |
1363 | return; | |
1364 | } | |
1365 | ||
1366 | res = list_entry(ioa_cfg->free_res_q.next, | |
1367 | struct ipr_resource_entry, queue); | |
1368 | ||
1369 | list_del(&res->queue); | |
3e7ebdfa | 1370 | ipr_init_res_entry(res, &cfgtew); |
1da177e4 LT |
1371 | list_add_tail(&res->queue, &ioa_cfg->used_res_q); |
1372 | } | |
1373 | ||
3e7ebdfa | 1374 | ipr_update_res_entry(res, &cfgtew); |
1da177e4 LT |
1375 | |
1376 | if (hostrcb->hcam.notify_type == IPR_HOST_RCB_NOTIF_TYPE_REM_ENTRY) { | |
1377 | if (res->sdev) { | |
1da177e4 | 1378 | res->del_from_ml = 1; |
3e7ebdfa | 1379 | res->res_handle = IPR_INVALID_RES_HANDLE; |
1da177e4 LT |
1380 | if (ioa_cfg->allow_ml_add_del) |
1381 | schedule_work(&ioa_cfg->work_q); | |
3e7ebdfa WB |
1382 | } else { |
1383 | ipr_clear_res_target(res); | |
1da177e4 | 1384 | list_move_tail(&res->queue, &ioa_cfg->free_res_q); |
3e7ebdfa | 1385 | } |
5767a1c4 | 1386 | } else if (!res->sdev || res->del_from_ml) { |
1da177e4 LT |
1387 | res->add_to_ml = 1; |
1388 | if (ioa_cfg->allow_ml_add_del) | |
1389 | schedule_work(&ioa_cfg->work_q); | |
1390 | } | |
1391 | ||
1392 | ipr_send_hcam(ioa_cfg, IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE, hostrcb); | |
1393 | } | |
1394 | ||
1395 | /** | |
1396 | * ipr_process_ccn - Op done function for a CCN. | |
1397 | * @ipr_cmd: ipr command struct | |
1398 | * | |
1399 | * This function is the op done function for a configuration | |
1400 | * change notification host controlled async from the adapter. | |
1401 | * | |
1402 | * Return value: | |
1403 | * none | |
1404 | **/ | |
1405 | static void ipr_process_ccn(struct ipr_cmnd *ipr_cmd) | |
1406 | { | |
1407 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
1408 | struct ipr_hostrcb *hostrcb = ipr_cmd->u.hostrcb; | |
96d21f00 | 1409 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
1da177e4 LT |
1410 | |
1411 | list_del(&hostrcb->queue); | |
05a6538a | 1412 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
1da177e4 LT |
1413 | |
1414 | if (ioasc) { | |
1415 | if (ioasc != IPR_IOASC_IOA_WAS_RESET) | |
1416 | dev_err(&ioa_cfg->pdev->dev, | |
1417 | "Host RCB failed with IOASC: 0x%08X\n", ioasc); | |
1418 | ||
1419 | ipr_send_hcam(ioa_cfg, IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE, hostrcb); | |
1420 | } else { | |
1421 | ipr_handle_config_change(ioa_cfg, hostrcb); | |
1422 | } | |
1423 | } | |
1424 | ||
8cf093e2 BK |
1425 | /** |
1426 | * strip_and_pad_whitespace - Strip and pad trailing whitespace. | |
1427 | * @i: index into buffer | |
1428 | * @buf: string to modify | |
1429 | * | |
1430 | * This function will strip all trailing whitespace, pad the end | |
1431 | * of the string with a single space, and NULL terminate the string. | |
1432 | * | |
1433 | * Return value: | |
1434 | * new length of string | |
1435 | **/ | |
1436 | static int strip_and_pad_whitespace(int i, char *buf) | |
1437 | { | |
1438 | while (i && buf[i] == ' ') | |
1439 | i--; | |
1440 | buf[i+1] = ' '; | |
1441 | buf[i+2] = '\0'; | |
1442 | return i + 2; | |
1443 | } | |
1444 | ||
1445 | /** | |
1446 | * ipr_log_vpd_compact - Log the passed extended VPD compactly. | |
1447 | * @prefix: string to print at start of printk | |
1448 | * @hostrcb: hostrcb pointer | |
1449 | * @vpd: vendor/product id/sn struct | |
1450 | * | |
1451 | * Return value: | |
1452 | * none | |
1453 | **/ | |
1454 | static void ipr_log_vpd_compact(char *prefix, struct ipr_hostrcb *hostrcb, | |
1455 | struct ipr_vpd *vpd) | |
1456 | { | |
1457 | char buffer[IPR_VENDOR_ID_LEN + IPR_PROD_ID_LEN + IPR_SERIAL_NUM_LEN + 3]; | |
1458 | int i = 0; | |
1459 | ||
1460 | memcpy(buffer, vpd->vpids.vendor_id, IPR_VENDOR_ID_LEN); | |
1461 | i = strip_and_pad_whitespace(IPR_VENDOR_ID_LEN - 1, buffer); | |
1462 | ||
1463 | memcpy(&buffer[i], vpd->vpids.product_id, IPR_PROD_ID_LEN); | |
1464 | i = strip_and_pad_whitespace(i + IPR_PROD_ID_LEN - 1, buffer); | |
1465 | ||
1466 | memcpy(&buffer[i], vpd->sn, IPR_SERIAL_NUM_LEN); | |
1467 | buffer[IPR_SERIAL_NUM_LEN + i] = '\0'; | |
1468 | ||
1469 | ipr_hcam_err(hostrcb, "%s VPID/SN: %s\n", prefix, buffer); | |
1470 | } | |
1471 | ||
1da177e4 LT |
1472 | /** |
1473 | * ipr_log_vpd - Log the passed VPD to the error log. | |
cfc32139 | 1474 | * @vpd: vendor/product id/sn struct |
1da177e4 LT |
1475 | * |
1476 | * Return value: | |
1477 | * none | |
1478 | **/ | |
cfc32139 | 1479 | static void ipr_log_vpd(struct ipr_vpd *vpd) |
1da177e4 LT |
1480 | { |
1481 | char buffer[IPR_VENDOR_ID_LEN + IPR_PROD_ID_LEN | |
1482 | + IPR_SERIAL_NUM_LEN]; | |
1483 | ||
cfc32139 | 1484 | memcpy(buffer, vpd->vpids.vendor_id, IPR_VENDOR_ID_LEN); |
1485 | memcpy(buffer + IPR_VENDOR_ID_LEN, vpd->vpids.product_id, | |
1da177e4 LT |
1486 | IPR_PROD_ID_LEN); |
1487 | buffer[IPR_VENDOR_ID_LEN + IPR_PROD_ID_LEN] = '\0'; | |
1488 | ipr_err("Vendor/Product ID: %s\n", buffer); | |
1489 | ||
cfc32139 | 1490 | memcpy(buffer, vpd->sn, IPR_SERIAL_NUM_LEN); |
1da177e4 LT |
1491 | buffer[IPR_SERIAL_NUM_LEN] = '\0'; |
1492 | ipr_err(" Serial Number: %s\n", buffer); | |
1493 | } | |
1494 | ||
8cf093e2 BK |
1495 | /** |
1496 | * ipr_log_ext_vpd_compact - Log the passed extended VPD compactly. | |
1497 | * @prefix: string to print at start of printk | |
1498 | * @hostrcb: hostrcb pointer | |
1499 | * @vpd: vendor/product id/sn/wwn struct | |
1500 | * | |
1501 | * Return value: | |
1502 | * none | |
1503 | **/ | |
1504 | static void ipr_log_ext_vpd_compact(char *prefix, struct ipr_hostrcb *hostrcb, | |
1505 | struct ipr_ext_vpd *vpd) | |
1506 | { | |
1507 | ipr_log_vpd_compact(prefix, hostrcb, &vpd->vpd); | |
1508 | ipr_hcam_err(hostrcb, "%s WWN: %08X%08X\n", prefix, | |
1509 | be32_to_cpu(vpd->wwid[0]), be32_to_cpu(vpd->wwid[1])); | |
1510 | } | |
1511 | ||
ee0f05b8 | 1512 | /** |
1513 | * ipr_log_ext_vpd - Log the passed extended VPD to the error log. | |
1514 | * @vpd: vendor/product id/sn/wwn struct | |
1515 | * | |
1516 | * Return value: | |
1517 | * none | |
1518 | **/ | |
1519 | static void ipr_log_ext_vpd(struct ipr_ext_vpd *vpd) | |
1520 | { | |
1521 | ipr_log_vpd(&vpd->vpd); | |
1522 | ipr_err(" WWN: %08X%08X\n", be32_to_cpu(vpd->wwid[0]), | |
1523 | be32_to_cpu(vpd->wwid[1])); | |
1524 | } | |
1525 | ||
1526 | /** | |
1527 | * ipr_log_enhanced_cache_error - Log a cache error. | |
1528 | * @ioa_cfg: ioa config struct | |
1529 | * @hostrcb: hostrcb struct | |
1530 | * | |
1531 | * Return value: | |
1532 | * none | |
1533 | **/ | |
1534 | static void ipr_log_enhanced_cache_error(struct ipr_ioa_cfg *ioa_cfg, | |
1535 | struct ipr_hostrcb *hostrcb) | |
1536 | { | |
4565e370 WB |
1537 | struct ipr_hostrcb_type_12_error *error; |
1538 | ||
1539 | if (ioa_cfg->sis64) | |
1540 | error = &hostrcb->hcam.u.error64.u.type_12_error; | |
1541 | else | |
1542 | error = &hostrcb->hcam.u.error.u.type_12_error; | |
ee0f05b8 | 1543 | |
1544 | ipr_err("-----Current Configuration-----\n"); | |
1545 | ipr_err("Cache Directory Card Information:\n"); | |
1546 | ipr_log_ext_vpd(&error->ioa_vpd); | |
1547 | ipr_err("Adapter Card Information:\n"); | |
1548 | ipr_log_ext_vpd(&error->cfc_vpd); | |
1549 | ||
1550 | ipr_err("-----Expected Configuration-----\n"); | |
1551 | ipr_err("Cache Directory Card Information:\n"); | |
1552 | ipr_log_ext_vpd(&error->ioa_last_attached_to_cfc_vpd); | |
1553 | ipr_err("Adapter Card Information:\n"); | |
1554 | ipr_log_ext_vpd(&error->cfc_last_attached_to_ioa_vpd); | |
1555 | ||
1556 | ipr_err("Additional IOA Data: %08X %08X %08X\n", | |
1557 | be32_to_cpu(error->ioa_data[0]), | |
1558 | be32_to_cpu(error->ioa_data[1]), | |
1559 | be32_to_cpu(error->ioa_data[2])); | |
1560 | } | |
1561 | ||
1da177e4 LT |
1562 | /** |
1563 | * ipr_log_cache_error - Log a cache error. | |
1564 | * @ioa_cfg: ioa config struct | |
1565 | * @hostrcb: hostrcb struct | |
1566 | * | |
1567 | * Return value: | |
1568 | * none | |
1569 | **/ | |
1570 | static void ipr_log_cache_error(struct ipr_ioa_cfg *ioa_cfg, | |
1571 | struct ipr_hostrcb *hostrcb) | |
1572 | { | |
1573 | struct ipr_hostrcb_type_02_error *error = | |
1574 | &hostrcb->hcam.u.error.u.type_02_error; | |
1575 | ||
1576 | ipr_err("-----Current Configuration-----\n"); | |
1577 | ipr_err("Cache Directory Card Information:\n"); | |
cfc32139 | 1578 | ipr_log_vpd(&error->ioa_vpd); |
1da177e4 | 1579 | ipr_err("Adapter Card Information:\n"); |
cfc32139 | 1580 | ipr_log_vpd(&error->cfc_vpd); |
1da177e4 LT |
1581 | |
1582 | ipr_err("-----Expected Configuration-----\n"); | |
1583 | ipr_err("Cache Directory Card Information:\n"); | |
cfc32139 | 1584 | ipr_log_vpd(&error->ioa_last_attached_to_cfc_vpd); |
1da177e4 | 1585 | ipr_err("Adapter Card Information:\n"); |
cfc32139 | 1586 | ipr_log_vpd(&error->cfc_last_attached_to_ioa_vpd); |
1da177e4 LT |
1587 | |
1588 | ipr_err("Additional IOA Data: %08X %08X %08X\n", | |
1589 | be32_to_cpu(error->ioa_data[0]), | |
1590 | be32_to_cpu(error->ioa_data[1]), | |
1591 | be32_to_cpu(error->ioa_data[2])); | |
1592 | } | |
1593 | ||
ee0f05b8 | 1594 | /** |
1595 | * ipr_log_enhanced_config_error - Log a configuration error. | |
1596 | * @ioa_cfg: ioa config struct | |
1597 | * @hostrcb: hostrcb struct | |
1598 | * | |
1599 | * Return value: | |
1600 | * none | |
1601 | **/ | |
1602 | static void ipr_log_enhanced_config_error(struct ipr_ioa_cfg *ioa_cfg, | |
1603 | struct ipr_hostrcb *hostrcb) | |
1604 | { | |
1605 | int errors_logged, i; | |
1606 | struct ipr_hostrcb_device_data_entry_enhanced *dev_entry; | |
1607 | struct ipr_hostrcb_type_13_error *error; | |
1608 | ||
1609 | error = &hostrcb->hcam.u.error.u.type_13_error; | |
1610 | errors_logged = be32_to_cpu(error->errors_logged); | |
1611 | ||
1612 | ipr_err("Device Errors Detected/Logged: %d/%d\n", | |
1613 | be32_to_cpu(error->errors_detected), errors_logged); | |
1614 | ||
1615 | dev_entry = error->dev; | |
1616 | ||
1617 | for (i = 0; i < errors_logged; i++, dev_entry++) { | |
1618 | ipr_err_separator; | |
1619 | ||
1620 | ipr_phys_res_err(ioa_cfg, dev_entry->dev_res_addr, "Device %d", i + 1); | |
1621 | ipr_log_ext_vpd(&dev_entry->vpd); | |
1622 | ||
1623 | ipr_err("-----New Device Information-----\n"); | |
1624 | ipr_log_ext_vpd(&dev_entry->new_vpd); | |
1625 | ||
1626 | ipr_err("Cache Directory Card Information:\n"); | |
1627 | ipr_log_ext_vpd(&dev_entry->ioa_last_with_dev_vpd); | |
1628 | ||
1629 | ipr_err("Adapter Card Information:\n"); | |
1630 | ipr_log_ext_vpd(&dev_entry->cfc_last_with_dev_vpd); | |
1631 | } | |
1632 | } | |
1633 | ||
4565e370 WB |
1634 | /** |
1635 | * ipr_log_sis64_config_error - Log a device error. | |
1636 | * @ioa_cfg: ioa config struct | |
1637 | * @hostrcb: hostrcb struct | |
1638 | * | |
1639 | * Return value: | |
1640 | * none | |
1641 | **/ | |
1642 | static void ipr_log_sis64_config_error(struct ipr_ioa_cfg *ioa_cfg, | |
1643 | struct ipr_hostrcb *hostrcb) | |
1644 | { | |
1645 | int errors_logged, i; | |
1646 | struct ipr_hostrcb64_device_data_entry_enhanced *dev_entry; | |
1647 | struct ipr_hostrcb_type_23_error *error; | |
1648 | char buffer[IPR_MAX_RES_PATH_LENGTH]; | |
1649 | ||
1650 | error = &hostrcb->hcam.u.error64.u.type_23_error; | |
1651 | errors_logged = be32_to_cpu(error->errors_logged); | |
1652 | ||
1653 | ipr_err("Device Errors Detected/Logged: %d/%d\n", | |
1654 | be32_to_cpu(error->errors_detected), errors_logged); | |
1655 | ||
1656 | dev_entry = error->dev; | |
1657 | ||
1658 | for (i = 0; i < errors_logged; i++, dev_entry++) { | |
1659 | ipr_err_separator; | |
1660 | ||
1661 | ipr_err("Device %d : %s", i + 1, | |
b3b3b407 BK |
1662 | __ipr_format_res_path(dev_entry->res_path, |
1663 | buffer, sizeof(buffer))); | |
4565e370 WB |
1664 | ipr_log_ext_vpd(&dev_entry->vpd); |
1665 | ||
1666 | ipr_err("-----New Device Information-----\n"); | |
1667 | ipr_log_ext_vpd(&dev_entry->new_vpd); | |
1668 | ||
1669 | ipr_err("Cache Directory Card Information:\n"); | |
1670 | ipr_log_ext_vpd(&dev_entry->ioa_last_with_dev_vpd); | |
1671 | ||
1672 | ipr_err("Adapter Card Information:\n"); | |
1673 | ipr_log_ext_vpd(&dev_entry->cfc_last_with_dev_vpd); | |
1674 | } | |
1675 | } | |
1676 | ||
1da177e4 LT |
1677 | /** |
1678 | * ipr_log_config_error - Log a configuration error. | |
1679 | * @ioa_cfg: ioa config struct | |
1680 | * @hostrcb: hostrcb struct | |
1681 | * | |
1682 | * Return value: | |
1683 | * none | |
1684 | **/ | |
1685 | static void ipr_log_config_error(struct ipr_ioa_cfg *ioa_cfg, | |
1686 | struct ipr_hostrcb *hostrcb) | |
1687 | { | |
1688 | int errors_logged, i; | |
1689 | struct ipr_hostrcb_device_data_entry *dev_entry; | |
1690 | struct ipr_hostrcb_type_03_error *error; | |
1691 | ||
1692 | error = &hostrcb->hcam.u.error.u.type_03_error; | |
1693 | errors_logged = be32_to_cpu(error->errors_logged); | |
1694 | ||
1695 | ipr_err("Device Errors Detected/Logged: %d/%d\n", | |
1696 | be32_to_cpu(error->errors_detected), errors_logged); | |
1697 | ||
cfc32139 | 1698 | dev_entry = error->dev; |
1da177e4 LT |
1699 | |
1700 | for (i = 0; i < errors_logged; i++, dev_entry++) { | |
1701 | ipr_err_separator; | |
1702 | ||
fa15b1f6 | 1703 | ipr_phys_res_err(ioa_cfg, dev_entry->dev_res_addr, "Device %d", i + 1); |
cfc32139 | 1704 | ipr_log_vpd(&dev_entry->vpd); |
1da177e4 LT |
1705 | |
1706 | ipr_err("-----New Device Information-----\n"); | |
cfc32139 | 1707 | ipr_log_vpd(&dev_entry->new_vpd); |
1da177e4 LT |
1708 | |
1709 | ipr_err("Cache Directory Card Information:\n"); | |
cfc32139 | 1710 | ipr_log_vpd(&dev_entry->ioa_last_with_dev_vpd); |
1da177e4 LT |
1711 | |
1712 | ipr_err("Adapter Card Information:\n"); | |
cfc32139 | 1713 | ipr_log_vpd(&dev_entry->cfc_last_with_dev_vpd); |
1da177e4 LT |
1714 | |
1715 | ipr_err("Additional IOA Data: %08X %08X %08X %08X %08X\n", | |
1716 | be32_to_cpu(dev_entry->ioa_data[0]), | |
1717 | be32_to_cpu(dev_entry->ioa_data[1]), | |
1718 | be32_to_cpu(dev_entry->ioa_data[2]), | |
1719 | be32_to_cpu(dev_entry->ioa_data[3]), | |
1720 | be32_to_cpu(dev_entry->ioa_data[4])); | |
1721 | } | |
1722 | } | |
1723 | ||
ee0f05b8 | 1724 | /** |
1725 | * ipr_log_enhanced_array_error - Log an array configuration error. | |
1726 | * @ioa_cfg: ioa config struct | |
1727 | * @hostrcb: hostrcb struct | |
1728 | * | |
1729 | * Return value: | |
1730 | * none | |
1731 | **/ | |
1732 | static void ipr_log_enhanced_array_error(struct ipr_ioa_cfg *ioa_cfg, | |
1733 | struct ipr_hostrcb *hostrcb) | |
1734 | { | |
1735 | int i, num_entries; | |
1736 | struct ipr_hostrcb_type_14_error *error; | |
1737 | struct ipr_hostrcb_array_data_entry_enhanced *array_entry; | |
1738 | const u8 zero_sn[IPR_SERIAL_NUM_LEN] = { [0 ... IPR_SERIAL_NUM_LEN-1] = '0' }; | |
1739 | ||
1740 | error = &hostrcb->hcam.u.error.u.type_14_error; | |
1741 | ||
1742 | ipr_err_separator; | |
1743 | ||
1744 | ipr_err("RAID %s Array Configuration: %d:%d:%d:%d\n", | |
1745 | error->protection_level, | |
1746 | ioa_cfg->host->host_no, | |
1747 | error->last_func_vset_res_addr.bus, | |
1748 | error->last_func_vset_res_addr.target, | |
1749 | error->last_func_vset_res_addr.lun); | |
1750 | ||
1751 | ipr_err_separator; | |
1752 | ||
1753 | array_entry = error->array_member; | |
1754 | num_entries = min_t(u32, be32_to_cpu(error->num_entries), | |
7262026f | 1755 | ARRAY_SIZE(error->array_member)); |
ee0f05b8 | 1756 | |
1757 | for (i = 0; i < num_entries; i++, array_entry++) { | |
1758 | if (!memcmp(array_entry->vpd.vpd.sn, zero_sn, IPR_SERIAL_NUM_LEN)) | |
1759 | continue; | |
1760 | ||
1761 | if (be32_to_cpu(error->exposed_mode_adn) == i) | |
1762 | ipr_err("Exposed Array Member %d:\n", i); | |
1763 | else | |
1764 | ipr_err("Array Member %d:\n", i); | |
1765 | ||
1766 | ipr_log_ext_vpd(&array_entry->vpd); | |
1767 | ipr_phys_res_err(ioa_cfg, array_entry->dev_res_addr, "Current Location"); | |
1768 | ipr_phys_res_err(ioa_cfg, array_entry->expected_dev_res_addr, | |
1769 | "Expected Location"); | |
1770 | ||
1771 | ipr_err_separator; | |
1772 | } | |
1773 | } | |
1774 | ||
1da177e4 LT |
1775 | /** |
1776 | * ipr_log_array_error - Log an array configuration error. | |
1777 | * @ioa_cfg: ioa config struct | |
1778 | * @hostrcb: hostrcb struct | |
1779 | * | |
1780 | * Return value: | |
1781 | * none | |
1782 | **/ | |
1783 | static void ipr_log_array_error(struct ipr_ioa_cfg *ioa_cfg, | |
1784 | struct ipr_hostrcb *hostrcb) | |
1785 | { | |
1786 | int i; | |
1787 | struct ipr_hostrcb_type_04_error *error; | |
1788 | struct ipr_hostrcb_array_data_entry *array_entry; | |
1789 | const u8 zero_sn[IPR_SERIAL_NUM_LEN] = { [0 ... IPR_SERIAL_NUM_LEN-1] = '0' }; | |
1790 | ||
1791 | error = &hostrcb->hcam.u.error.u.type_04_error; | |
1792 | ||
1793 | ipr_err_separator; | |
1794 | ||
1795 | ipr_err("RAID %s Array Configuration: %d:%d:%d:%d\n", | |
1796 | error->protection_level, | |
1797 | ioa_cfg->host->host_no, | |
1798 | error->last_func_vset_res_addr.bus, | |
1799 | error->last_func_vset_res_addr.target, | |
1800 | error->last_func_vset_res_addr.lun); | |
1801 | ||
1802 | ipr_err_separator; | |
1803 | ||
1804 | array_entry = error->array_member; | |
1805 | ||
1806 | for (i = 0; i < 18; i++) { | |
cfc32139 | 1807 | if (!memcmp(array_entry->vpd.sn, zero_sn, IPR_SERIAL_NUM_LEN)) |
1da177e4 LT |
1808 | continue; |
1809 | ||
fa15b1f6 | 1810 | if (be32_to_cpu(error->exposed_mode_adn) == i) |
1da177e4 | 1811 | ipr_err("Exposed Array Member %d:\n", i); |
fa15b1f6 | 1812 | else |
1da177e4 | 1813 | ipr_err("Array Member %d:\n", i); |
1da177e4 | 1814 | |
cfc32139 | 1815 | ipr_log_vpd(&array_entry->vpd); |
1da177e4 | 1816 | |
fa15b1f6 | 1817 | ipr_phys_res_err(ioa_cfg, array_entry->dev_res_addr, "Current Location"); |
1818 | ipr_phys_res_err(ioa_cfg, array_entry->expected_dev_res_addr, | |
1819 | "Expected Location"); | |
1da177e4 LT |
1820 | |
1821 | ipr_err_separator; | |
1822 | ||
1823 | if (i == 9) | |
1824 | array_entry = error->array_member2; | |
1825 | else | |
1826 | array_entry++; | |
1827 | } | |
1828 | } | |
1829 | ||
1830 | /** | |
b0df54bb | 1831 | * ipr_log_hex_data - Log additional hex IOA error data. |
ac719aba | 1832 | * @ioa_cfg: ioa config struct |
b0df54bb | 1833 | * @data: IOA error data |
1834 | * @len: data length | |
1da177e4 LT |
1835 | * |
1836 | * Return value: | |
1837 | * none | |
1838 | **/ | |
ac719aba | 1839 | static void ipr_log_hex_data(struct ipr_ioa_cfg *ioa_cfg, u32 *data, int len) |
1da177e4 LT |
1840 | { |
1841 | int i; | |
1da177e4 | 1842 | |
b0df54bb | 1843 | if (len == 0) |
1da177e4 LT |
1844 | return; |
1845 | ||
ac719aba BK |
1846 | if (ioa_cfg->log_level <= IPR_DEFAULT_LOG_LEVEL) |
1847 | len = min_t(int, len, IPR_DEFAULT_MAX_ERROR_DUMP); | |
1848 | ||
b0df54bb | 1849 | for (i = 0; i < len / 4; i += 4) { |
1da177e4 | 1850 | ipr_err("%08X: %08X %08X %08X %08X\n", i*4, |
b0df54bb | 1851 | be32_to_cpu(data[i]), |
1852 | be32_to_cpu(data[i+1]), | |
1853 | be32_to_cpu(data[i+2]), | |
1854 | be32_to_cpu(data[i+3])); | |
1da177e4 LT |
1855 | } |
1856 | } | |
1857 | ||
ee0f05b8 | 1858 | /** |
1859 | * ipr_log_enhanced_dual_ioa_error - Log an enhanced dual adapter error. | |
1860 | * @ioa_cfg: ioa config struct | |
1861 | * @hostrcb: hostrcb struct | |
1862 | * | |
1863 | * Return value: | |
1864 | * none | |
1865 | **/ | |
1866 | static void ipr_log_enhanced_dual_ioa_error(struct ipr_ioa_cfg *ioa_cfg, | |
1867 | struct ipr_hostrcb *hostrcb) | |
1868 | { | |
1869 | struct ipr_hostrcb_type_17_error *error; | |
1870 | ||
4565e370 WB |
1871 | if (ioa_cfg->sis64) |
1872 | error = &hostrcb->hcam.u.error64.u.type_17_error; | |
1873 | else | |
1874 | error = &hostrcb->hcam.u.error.u.type_17_error; | |
1875 | ||
ee0f05b8 | 1876 | error->failure_reason[sizeof(error->failure_reason) - 1] = '\0'; |
ca54cb8c | 1877 | strim(error->failure_reason); |
ee0f05b8 | 1878 | |
8cf093e2 BK |
1879 | ipr_hcam_err(hostrcb, "%s [PRC: %08X]\n", error->failure_reason, |
1880 | be32_to_cpu(hostrcb->hcam.u.error.prc)); | |
1881 | ipr_log_ext_vpd_compact("Remote IOA", hostrcb, &error->vpd); | |
ac719aba | 1882 | ipr_log_hex_data(ioa_cfg, error->data, |
ee0f05b8 | 1883 | be32_to_cpu(hostrcb->hcam.length) - |
1884 | (offsetof(struct ipr_hostrcb_error, u) + | |
1885 | offsetof(struct ipr_hostrcb_type_17_error, data))); | |
1886 | } | |
1887 | ||
b0df54bb | 1888 | /** |
1889 | * ipr_log_dual_ioa_error - Log a dual adapter error. | |
1890 | * @ioa_cfg: ioa config struct | |
1891 | * @hostrcb: hostrcb struct | |
1892 | * | |
1893 | * Return value: | |
1894 | * none | |
1895 | **/ | |
1896 | static void ipr_log_dual_ioa_error(struct ipr_ioa_cfg *ioa_cfg, | |
1897 | struct ipr_hostrcb *hostrcb) | |
1898 | { | |
1899 | struct ipr_hostrcb_type_07_error *error; | |
1900 | ||
1901 | error = &hostrcb->hcam.u.error.u.type_07_error; | |
1902 | error->failure_reason[sizeof(error->failure_reason) - 1] = '\0'; | |
ca54cb8c | 1903 | strim(error->failure_reason); |
b0df54bb | 1904 | |
8cf093e2 BK |
1905 | ipr_hcam_err(hostrcb, "%s [PRC: %08X]\n", error->failure_reason, |
1906 | be32_to_cpu(hostrcb->hcam.u.error.prc)); | |
1907 | ipr_log_vpd_compact("Remote IOA", hostrcb, &error->vpd); | |
ac719aba | 1908 | ipr_log_hex_data(ioa_cfg, error->data, |
b0df54bb | 1909 | be32_to_cpu(hostrcb->hcam.length) - |
1910 | (offsetof(struct ipr_hostrcb_error, u) + | |
1911 | offsetof(struct ipr_hostrcb_type_07_error, data))); | |
1912 | } | |
1913 | ||
49dc6a18 BK |
1914 | static const struct { |
1915 | u8 active; | |
1916 | char *desc; | |
1917 | } path_active_desc[] = { | |
1918 | { IPR_PATH_NO_INFO, "Path" }, | |
1919 | { IPR_PATH_ACTIVE, "Active path" }, | |
1920 | { IPR_PATH_NOT_ACTIVE, "Inactive path" } | |
1921 | }; | |
1922 | ||
1923 | static const struct { | |
1924 | u8 state; | |
1925 | char *desc; | |
1926 | } path_state_desc[] = { | |
1927 | { IPR_PATH_STATE_NO_INFO, "has no path state information available" }, | |
1928 | { IPR_PATH_HEALTHY, "is healthy" }, | |
1929 | { IPR_PATH_DEGRADED, "is degraded" }, | |
1930 | { IPR_PATH_FAILED, "is failed" } | |
1931 | }; | |
1932 | ||
1933 | /** | |
1934 | * ipr_log_fabric_path - Log a fabric path error | |
1935 | * @hostrcb: hostrcb struct | |
1936 | * @fabric: fabric descriptor | |
1937 | * | |
1938 | * Return value: | |
1939 | * none | |
1940 | **/ | |
1941 | static void ipr_log_fabric_path(struct ipr_hostrcb *hostrcb, | |
1942 | struct ipr_hostrcb_fabric_desc *fabric) | |
1943 | { | |
1944 | int i, j; | |
1945 | u8 path_state = fabric->path_state; | |
1946 | u8 active = path_state & IPR_PATH_ACTIVE_MASK; | |
1947 | u8 state = path_state & IPR_PATH_STATE_MASK; | |
1948 | ||
1949 | for (i = 0; i < ARRAY_SIZE(path_active_desc); i++) { | |
1950 | if (path_active_desc[i].active != active) | |
1951 | continue; | |
1952 | ||
1953 | for (j = 0; j < ARRAY_SIZE(path_state_desc); j++) { | |
1954 | if (path_state_desc[j].state != state) | |
1955 | continue; | |
1956 | ||
1957 | if (fabric->cascaded_expander == 0xff && fabric->phy == 0xff) { | |
1958 | ipr_hcam_err(hostrcb, "%s %s: IOA Port=%d\n", | |
1959 | path_active_desc[i].desc, path_state_desc[j].desc, | |
1960 | fabric->ioa_port); | |
1961 | } else if (fabric->cascaded_expander == 0xff) { | |
1962 | ipr_hcam_err(hostrcb, "%s %s: IOA Port=%d, Phy=%d\n", | |
1963 | path_active_desc[i].desc, path_state_desc[j].desc, | |
1964 | fabric->ioa_port, fabric->phy); | |
1965 | } else if (fabric->phy == 0xff) { | |
1966 | ipr_hcam_err(hostrcb, "%s %s: IOA Port=%d, Cascade=%d\n", | |
1967 | path_active_desc[i].desc, path_state_desc[j].desc, | |
1968 | fabric->ioa_port, fabric->cascaded_expander); | |
1969 | } else { | |
1970 | ipr_hcam_err(hostrcb, "%s %s: IOA Port=%d, Cascade=%d, Phy=%d\n", | |
1971 | path_active_desc[i].desc, path_state_desc[j].desc, | |
1972 | fabric->ioa_port, fabric->cascaded_expander, fabric->phy); | |
1973 | } | |
1974 | return; | |
1975 | } | |
1976 | } | |
1977 | ||
1978 | ipr_err("Path state=%02X IOA Port=%d Cascade=%d Phy=%d\n", path_state, | |
1979 | fabric->ioa_port, fabric->cascaded_expander, fabric->phy); | |
1980 | } | |
1981 | ||
4565e370 WB |
1982 | /** |
1983 | * ipr_log64_fabric_path - Log a fabric path error | |
1984 | * @hostrcb: hostrcb struct | |
1985 | * @fabric: fabric descriptor | |
1986 | * | |
1987 | * Return value: | |
1988 | * none | |
1989 | **/ | |
1990 | static void ipr_log64_fabric_path(struct ipr_hostrcb *hostrcb, | |
1991 | struct ipr_hostrcb64_fabric_desc *fabric) | |
1992 | { | |
1993 | int i, j; | |
1994 | u8 path_state = fabric->path_state; | |
1995 | u8 active = path_state & IPR_PATH_ACTIVE_MASK; | |
1996 | u8 state = path_state & IPR_PATH_STATE_MASK; | |
1997 | char buffer[IPR_MAX_RES_PATH_LENGTH]; | |
1998 | ||
1999 | for (i = 0; i < ARRAY_SIZE(path_active_desc); i++) { | |
2000 | if (path_active_desc[i].active != active) | |
2001 | continue; | |
2002 | ||
2003 | for (j = 0; j < ARRAY_SIZE(path_state_desc); j++) { | |
2004 | if (path_state_desc[j].state != state) | |
2005 | continue; | |
2006 | ||
2007 | ipr_hcam_err(hostrcb, "%s %s: Resource Path=%s\n", | |
2008 | path_active_desc[i].desc, path_state_desc[j].desc, | |
b3b3b407 BK |
2009 | ipr_format_res_path(hostrcb->ioa_cfg, |
2010 | fabric->res_path, | |
2011 | buffer, sizeof(buffer))); | |
4565e370 WB |
2012 | return; |
2013 | } | |
2014 | } | |
2015 | ||
2016 | ipr_err("Path state=%02X Resource Path=%s\n", path_state, | |
b3b3b407 BK |
2017 | ipr_format_res_path(hostrcb->ioa_cfg, fabric->res_path, |
2018 | buffer, sizeof(buffer))); | |
4565e370 WB |
2019 | } |
2020 | ||
49dc6a18 BK |
2021 | static const struct { |
2022 | u8 type; | |
2023 | char *desc; | |
2024 | } path_type_desc[] = { | |
2025 | { IPR_PATH_CFG_IOA_PORT, "IOA port" }, | |
2026 | { IPR_PATH_CFG_EXP_PORT, "Expander port" }, | |
2027 | { IPR_PATH_CFG_DEVICE_PORT, "Device port" }, | |
2028 | { IPR_PATH_CFG_DEVICE_LUN, "Device LUN" } | |
2029 | }; | |
2030 | ||
2031 | static const struct { | |
2032 | u8 status; | |
2033 | char *desc; | |
2034 | } path_status_desc[] = { | |
2035 | { IPR_PATH_CFG_NO_PROB, "Functional" }, | |
2036 | { IPR_PATH_CFG_DEGRADED, "Degraded" }, | |
2037 | { IPR_PATH_CFG_FAILED, "Failed" }, | |
2038 | { IPR_PATH_CFG_SUSPECT, "Suspect" }, | |
2039 | { IPR_PATH_NOT_DETECTED, "Missing" }, | |
2040 | { IPR_PATH_INCORRECT_CONN, "Incorrectly connected" } | |
2041 | }; | |
2042 | ||
2043 | static const char *link_rate[] = { | |
2044 | "unknown", | |
2045 | "disabled", | |
2046 | "phy reset problem", | |
2047 | "spinup hold", | |
2048 | "port selector", | |
2049 | "unknown", | |
2050 | "unknown", | |
2051 | "unknown", | |
2052 | "1.5Gbps", | |
2053 | "3.0Gbps", | |
2054 | "unknown", | |
2055 | "unknown", | |
2056 | "unknown", | |
2057 | "unknown", | |
2058 | "unknown", | |
2059 | "unknown" | |
2060 | }; | |
2061 | ||
2062 | /** | |
2063 | * ipr_log_path_elem - Log a fabric path element. | |
2064 | * @hostrcb: hostrcb struct | |
2065 | * @cfg: fabric path element struct | |
2066 | * | |
2067 | * Return value: | |
2068 | * none | |
2069 | **/ | |
2070 | static void ipr_log_path_elem(struct ipr_hostrcb *hostrcb, | |
2071 | struct ipr_hostrcb_config_element *cfg) | |
2072 | { | |
2073 | int i, j; | |
2074 | u8 type = cfg->type_status & IPR_PATH_CFG_TYPE_MASK; | |
2075 | u8 status = cfg->type_status & IPR_PATH_CFG_STATUS_MASK; | |
2076 | ||
2077 | if (type == IPR_PATH_CFG_NOT_EXIST) | |
2078 | return; | |
2079 | ||
2080 | for (i = 0; i < ARRAY_SIZE(path_type_desc); i++) { | |
2081 | if (path_type_desc[i].type != type) | |
2082 | continue; | |
2083 | ||
2084 | for (j = 0; j < ARRAY_SIZE(path_status_desc); j++) { | |
2085 | if (path_status_desc[j].status != status) | |
2086 | continue; | |
2087 | ||
2088 | if (type == IPR_PATH_CFG_IOA_PORT) { | |
2089 | ipr_hcam_err(hostrcb, "%s %s: Phy=%d, Link rate=%s, WWN=%08X%08X\n", | |
2090 | path_status_desc[j].desc, path_type_desc[i].desc, | |
2091 | cfg->phy, link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], | |
2092 | be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); | |
2093 | } else { | |
2094 | if (cfg->cascaded_expander == 0xff && cfg->phy == 0xff) { | |
2095 | ipr_hcam_err(hostrcb, "%s %s: Link rate=%s, WWN=%08X%08X\n", | |
2096 | path_status_desc[j].desc, path_type_desc[i].desc, | |
2097 | link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], | |
2098 | be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); | |
2099 | } else if (cfg->cascaded_expander == 0xff) { | |
2100 | ipr_hcam_err(hostrcb, "%s %s: Phy=%d, Link rate=%s, " | |
2101 | "WWN=%08X%08X\n", path_status_desc[j].desc, | |
2102 | path_type_desc[i].desc, cfg->phy, | |
2103 | link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], | |
2104 | be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); | |
2105 | } else if (cfg->phy == 0xff) { | |
2106 | ipr_hcam_err(hostrcb, "%s %s: Cascade=%d, Link rate=%s, " | |
2107 | "WWN=%08X%08X\n", path_status_desc[j].desc, | |
2108 | path_type_desc[i].desc, cfg->cascaded_expander, | |
2109 | link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], | |
2110 | be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); | |
2111 | } else { | |
2112 | ipr_hcam_err(hostrcb, "%s %s: Cascade=%d, Phy=%d, Link rate=%s " | |
2113 | "WWN=%08X%08X\n", path_status_desc[j].desc, | |
2114 | path_type_desc[i].desc, cfg->cascaded_expander, cfg->phy, | |
2115 | link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], | |
2116 | be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); | |
2117 | } | |
2118 | } | |
2119 | return; | |
2120 | } | |
2121 | } | |
2122 | ||
2123 | ipr_hcam_err(hostrcb, "Path element=%02X: Cascade=%d Phy=%d Link rate=%s " | |
2124 | "WWN=%08X%08X\n", cfg->type_status, 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 | ||
4565e370 WB |
2129 | /** |
2130 | * ipr_log64_path_elem - Log a fabric path element. | |
2131 | * @hostrcb: hostrcb struct | |
2132 | * @cfg: fabric path element struct | |
2133 | * | |
2134 | * Return value: | |
2135 | * none | |
2136 | **/ | |
2137 | static void ipr_log64_path_elem(struct ipr_hostrcb *hostrcb, | |
2138 | struct ipr_hostrcb64_config_element *cfg) | |
2139 | { | |
2140 | int i, j; | |
2141 | u8 desc_id = cfg->descriptor_id & IPR_DESCRIPTOR_MASK; | |
2142 | u8 type = cfg->type_status & IPR_PATH_CFG_TYPE_MASK; | |
2143 | u8 status = cfg->type_status & IPR_PATH_CFG_STATUS_MASK; | |
2144 | char buffer[IPR_MAX_RES_PATH_LENGTH]; | |
2145 | ||
2146 | if (type == IPR_PATH_CFG_NOT_EXIST || desc_id != IPR_DESCRIPTOR_SIS64) | |
2147 | return; | |
2148 | ||
2149 | for (i = 0; i < ARRAY_SIZE(path_type_desc); i++) { | |
2150 | if (path_type_desc[i].type != type) | |
2151 | continue; | |
2152 | ||
2153 | for (j = 0; j < ARRAY_SIZE(path_status_desc); j++) { | |
2154 | if (path_status_desc[j].status != status) | |
2155 | continue; | |
2156 | ||
2157 | ipr_hcam_err(hostrcb, "%s %s: Resource Path=%s, Link rate=%s, WWN=%08X%08X\n", | |
2158 | path_status_desc[j].desc, path_type_desc[i].desc, | |
b3b3b407 BK |
2159 | ipr_format_res_path(hostrcb->ioa_cfg, |
2160 | cfg->res_path, buffer, sizeof(buffer)), | |
2161 | link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], | |
2162 | be32_to_cpu(cfg->wwid[0]), | |
2163 | be32_to_cpu(cfg->wwid[1])); | |
4565e370 WB |
2164 | return; |
2165 | } | |
2166 | } | |
2167 | ipr_hcam_err(hostrcb, "Path element=%02X: Resource Path=%s, Link rate=%s " | |
2168 | "WWN=%08X%08X\n", cfg->type_status, | |
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]), be32_to_cpu(cfg->wwid[1])); | |
4565e370 WB |
2173 | } |
2174 | ||
49dc6a18 BK |
2175 | /** |
2176 | * ipr_log_fabric_error - Log a fabric error. | |
2177 | * @ioa_cfg: ioa config struct | |
2178 | * @hostrcb: hostrcb struct | |
2179 | * | |
2180 | * Return value: | |
2181 | * none | |
2182 | **/ | |
2183 | static void ipr_log_fabric_error(struct ipr_ioa_cfg *ioa_cfg, | |
2184 | struct ipr_hostrcb *hostrcb) | |
2185 | { | |
2186 | struct ipr_hostrcb_type_20_error *error; | |
2187 | struct ipr_hostrcb_fabric_desc *fabric; | |
2188 | struct ipr_hostrcb_config_element *cfg; | |
2189 | int i, add_len; | |
2190 | ||
2191 | error = &hostrcb->hcam.u.error.u.type_20_error; | |
2192 | error->failure_reason[sizeof(error->failure_reason) - 1] = '\0'; | |
2193 | ipr_hcam_err(hostrcb, "%s\n", error->failure_reason); | |
2194 | ||
2195 | add_len = be32_to_cpu(hostrcb->hcam.length) - | |
2196 | (offsetof(struct ipr_hostrcb_error, u) + | |
2197 | offsetof(struct ipr_hostrcb_type_20_error, desc)); | |
2198 | ||
2199 | for (i = 0, fabric = error->desc; i < error->num_entries; i++) { | |
2200 | ipr_log_fabric_path(hostrcb, fabric); | |
2201 | for_each_fabric_cfg(fabric, cfg) | |
2202 | ipr_log_path_elem(hostrcb, cfg); | |
2203 | ||
2204 | add_len -= be16_to_cpu(fabric->length); | |
2205 | fabric = (struct ipr_hostrcb_fabric_desc *) | |
2206 | ((unsigned long)fabric + be16_to_cpu(fabric->length)); | |
2207 | } | |
2208 | ||
ac719aba | 2209 | ipr_log_hex_data(ioa_cfg, (u32 *)fabric, add_len); |
49dc6a18 BK |
2210 | } |
2211 | ||
4565e370 WB |
2212 | /** |
2213 | * ipr_log_sis64_array_error - Log a sis64 array error. | |
2214 | * @ioa_cfg: ioa config struct | |
2215 | * @hostrcb: hostrcb struct | |
2216 | * | |
2217 | * Return value: | |
2218 | * none | |
2219 | **/ | |
2220 | static void ipr_log_sis64_array_error(struct ipr_ioa_cfg *ioa_cfg, | |
2221 | struct ipr_hostrcb *hostrcb) | |
2222 | { | |
2223 | int i, num_entries; | |
2224 | struct ipr_hostrcb_type_24_error *error; | |
2225 | struct ipr_hostrcb64_array_data_entry *array_entry; | |
2226 | char buffer[IPR_MAX_RES_PATH_LENGTH]; | |
2227 | const u8 zero_sn[IPR_SERIAL_NUM_LEN] = { [0 ... IPR_SERIAL_NUM_LEN-1] = '0' }; | |
2228 | ||
2229 | error = &hostrcb->hcam.u.error64.u.type_24_error; | |
2230 | ||
2231 | ipr_err_separator; | |
2232 | ||
2233 | ipr_err("RAID %s Array Configuration: %s\n", | |
2234 | error->protection_level, | |
b3b3b407 BK |
2235 | ipr_format_res_path(ioa_cfg, error->last_res_path, |
2236 | buffer, sizeof(buffer))); | |
4565e370 WB |
2237 | |
2238 | ipr_err_separator; | |
2239 | ||
2240 | array_entry = error->array_member; | |
7262026f WB |
2241 | num_entries = min_t(u32, error->num_entries, |
2242 | ARRAY_SIZE(error->array_member)); | |
4565e370 WB |
2243 | |
2244 | for (i = 0; i < num_entries; i++, array_entry++) { | |
2245 | ||
2246 | if (!memcmp(array_entry->vpd.vpd.sn, zero_sn, IPR_SERIAL_NUM_LEN)) | |
2247 | continue; | |
2248 | ||
2249 | if (error->exposed_mode_adn == i) | |
2250 | ipr_err("Exposed Array Member %d:\n", i); | |
2251 | else | |
2252 | ipr_err("Array Member %d:\n", i); | |
2253 | ||
2254 | ipr_err("Array Member %d:\n", i); | |
2255 | ipr_log_ext_vpd(&array_entry->vpd); | |
7262026f | 2256 | ipr_err("Current Location: %s\n", |
b3b3b407 BK |
2257 | ipr_format_res_path(ioa_cfg, array_entry->res_path, |
2258 | buffer, sizeof(buffer))); | |
7262026f | 2259 | ipr_err("Expected Location: %s\n", |
b3b3b407 BK |
2260 | ipr_format_res_path(ioa_cfg, |
2261 | array_entry->expected_res_path, | |
2262 | buffer, sizeof(buffer))); | |
4565e370 WB |
2263 | |
2264 | ipr_err_separator; | |
2265 | } | |
2266 | } | |
2267 | ||
2268 | /** | |
2269 | * ipr_log_sis64_fabric_error - Log a sis64 fabric error. | |
2270 | * @ioa_cfg: ioa config struct | |
2271 | * @hostrcb: hostrcb struct | |
2272 | * | |
2273 | * Return value: | |
2274 | * none | |
2275 | **/ | |
2276 | static void ipr_log_sis64_fabric_error(struct ipr_ioa_cfg *ioa_cfg, | |
2277 | struct ipr_hostrcb *hostrcb) | |
2278 | { | |
2279 | struct ipr_hostrcb_type_30_error *error; | |
2280 | struct ipr_hostrcb64_fabric_desc *fabric; | |
2281 | struct ipr_hostrcb64_config_element *cfg; | |
2282 | int i, add_len; | |
2283 | ||
2284 | error = &hostrcb->hcam.u.error64.u.type_30_error; | |
2285 | ||
2286 | error->failure_reason[sizeof(error->failure_reason) - 1] = '\0'; | |
2287 | ipr_hcam_err(hostrcb, "%s\n", error->failure_reason); | |
2288 | ||
2289 | add_len = be32_to_cpu(hostrcb->hcam.length) - | |
2290 | (offsetof(struct ipr_hostrcb64_error, u) + | |
2291 | offsetof(struct ipr_hostrcb_type_30_error, desc)); | |
2292 | ||
2293 | for (i = 0, fabric = error->desc; i < error->num_entries; i++) { | |
2294 | ipr_log64_fabric_path(hostrcb, fabric); | |
2295 | for_each_fabric_cfg(fabric, cfg) | |
2296 | ipr_log64_path_elem(hostrcb, cfg); | |
2297 | ||
2298 | add_len -= be16_to_cpu(fabric->length); | |
2299 | fabric = (struct ipr_hostrcb64_fabric_desc *) | |
2300 | ((unsigned long)fabric + be16_to_cpu(fabric->length)); | |
2301 | } | |
2302 | ||
2303 | ipr_log_hex_data(ioa_cfg, (u32 *)fabric, add_len); | |
2304 | } | |
2305 | ||
b0df54bb | 2306 | /** |
2307 | * ipr_log_generic_error - Log an adapter error. | |
2308 | * @ioa_cfg: ioa config struct | |
2309 | * @hostrcb: hostrcb struct | |
2310 | * | |
2311 | * Return value: | |
2312 | * none | |
2313 | **/ | |
2314 | static void ipr_log_generic_error(struct ipr_ioa_cfg *ioa_cfg, | |
2315 | struct ipr_hostrcb *hostrcb) | |
2316 | { | |
ac719aba | 2317 | ipr_log_hex_data(ioa_cfg, hostrcb->hcam.u.raw.data, |
b0df54bb | 2318 | be32_to_cpu(hostrcb->hcam.length)); |
2319 | } | |
2320 | ||
1da177e4 LT |
2321 | /** |
2322 | * ipr_get_error - Find the specfied IOASC in the ipr_error_table. | |
2323 | * @ioasc: IOASC | |
2324 | * | |
2325 | * This function will return the index of into the ipr_error_table | |
2326 | * for the specified IOASC. If the IOASC is not in the table, | |
2327 | * 0 will be returned, which points to the entry used for unknown errors. | |
2328 | * | |
2329 | * Return value: | |
2330 | * index into the ipr_error_table | |
2331 | **/ | |
2332 | static u32 ipr_get_error(u32 ioasc) | |
2333 | { | |
2334 | int i; | |
2335 | ||
2336 | for (i = 0; i < ARRAY_SIZE(ipr_error_table); i++) | |
35a39691 | 2337 | if (ipr_error_table[i].ioasc == (ioasc & IPR_IOASC_IOASC_MASK)) |
1da177e4 LT |
2338 | return i; |
2339 | ||
2340 | return 0; | |
2341 | } | |
2342 | ||
2343 | /** | |
2344 | * ipr_handle_log_data - Log an adapter error. | |
2345 | * @ioa_cfg: ioa config struct | |
2346 | * @hostrcb: hostrcb struct | |
2347 | * | |
2348 | * This function logs an adapter error to the system. | |
2349 | * | |
2350 | * Return value: | |
2351 | * none | |
2352 | **/ | |
2353 | static void ipr_handle_log_data(struct ipr_ioa_cfg *ioa_cfg, | |
2354 | struct ipr_hostrcb *hostrcb) | |
2355 | { | |
2356 | u32 ioasc; | |
2357 | int error_index; | |
2358 | ||
2359 | if (hostrcb->hcam.notify_type != IPR_HOST_RCB_NOTIF_TYPE_ERROR_LOG_ENTRY) | |
2360 | return; | |
2361 | ||
2362 | if (hostrcb->hcam.notifications_lost == IPR_HOST_RCB_NOTIFICATIONS_LOST) | |
2363 | dev_err(&ioa_cfg->pdev->dev, "Error notifications lost\n"); | |
2364 | ||
4565e370 WB |
2365 | if (ioa_cfg->sis64) |
2366 | ioasc = be32_to_cpu(hostrcb->hcam.u.error64.fd_ioasc); | |
2367 | else | |
2368 | ioasc = be32_to_cpu(hostrcb->hcam.u.error.fd_ioasc); | |
1da177e4 | 2369 | |
4565e370 WB |
2370 | if (!ioa_cfg->sis64 && (ioasc == IPR_IOASC_BUS_WAS_RESET || |
2371 | ioasc == IPR_IOASC_BUS_WAS_RESET_BY_OTHER)) { | |
1da177e4 LT |
2372 | /* Tell the midlayer we had a bus reset so it will handle the UA properly */ |
2373 | scsi_report_bus_reset(ioa_cfg->host, | |
4565e370 | 2374 | hostrcb->hcam.u.error.fd_res_addr.bus); |
1da177e4 LT |
2375 | } |
2376 | ||
2377 | error_index = ipr_get_error(ioasc); | |
2378 | ||
2379 | if (!ipr_error_table[error_index].log_hcam) | |
2380 | return; | |
2381 | ||
49dc6a18 | 2382 | ipr_hcam_err(hostrcb, "%s\n", ipr_error_table[error_index].error); |
1da177e4 LT |
2383 | |
2384 | /* Set indication we have logged an error */ | |
2385 | ioa_cfg->errors_logged++; | |
2386 | ||
933916f3 | 2387 | if (ioa_cfg->log_level < ipr_error_table[error_index].log_hcam) |
1da177e4 | 2388 | return; |
cf852037 | 2389 | if (be32_to_cpu(hostrcb->hcam.length) > sizeof(hostrcb->hcam.u.raw)) |
2390 | hostrcb->hcam.length = cpu_to_be32(sizeof(hostrcb->hcam.u.raw)); | |
1da177e4 LT |
2391 | |
2392 | switch (hostrcb->hcam.overlay_id) { | |
1da177e4 LT |
2393 | case IPR_HOST_RCB_OVERLAY_ID_2: |
2394 | ipr_log_cache_error(ioa_cfg, hostrcb); | |
2395 | break; | |
2396 | case IPR_HOST_RCB_OVERLAY_ID_3: | |
2397 | ipr_log_config_error(ioa_cfg, hostrcb); | |
2398 | break; | |
2399 | case IPR_HOST_RCB_OVERLAY_ID_4: | |
2400 | case IPR_HOST_RCB_OVERLAY_ID_6: | |
2401 | ipr_log_array_error(ioa_cfg, hostrcb); | |
2402 | break; | |
b0df54bb | 2403 | case IPR_HOST_RCB_OVERLAY_ID_7: |
2404 | ipr_log_dual_ioa_error(ioa_cfg, hostrcb); | |
2405 | break; | |
ee0f05b8 | 2406 | case IPR_HOST_RCB_OVERLAY_ID_12: |
2407 | ipr_log_enhanced_cache_error(ioa_cfg, hostrcb); | |
2408 | break; | |
2409 | case IPR_HOST_RCB_OVERLAY_ID_13: | |
2410 | ipr_log_enhanced_config_error(ioa_cfg, hostrcb); | |
2411 | break; | |
2412 | case IPR_HOST_RCB_OVERLAY_ID_14: | |
2413 | case IPR_HOST_RCB_OVERLAY_ID_16: | |
2414 | ipr_log_enhanced_array_error(ioa_cfg, hostrcb); | |
2415 | break; | |
2416 | case IPR_HOST_RCB_OVERLAY_ID_17: | |
2417 | ipr_log_enhanced_dual_ioa_error(ioa_cfg, hostrcb); | |
2418 | break; | |
49dc6a18 BK |
2419 | case IPR_HOST_RCB_OVERLAY_ID_20: |
2420 | ipr_log_fabric_error(ioa_cfg, hostrcb); | |
2421 | break; | |
4565e370 WB |
2422 | case IPR_HOST_RCB_OVERLAY_ID_23: |
2423 | ipr_log_sis64_config_error(ioa_cfg, hostrcb); | |
2424 | break; | |
2425 | case IPR_HOST_RCB_OVERLAY_ID_24: | |
2426 | case IPR_HOST_RCB_OVERLAY_ID_26: | |
2427 | ipr_log_sis64_array_error(ioa_cfg, hostrcb); | |
2428 | break; | |
2429 | case IPR_HOST_RCB_OVERLAY_ID_30: | |
2430 | ipr_log_sis64_fabric_error(ioa_cfg, hostrcb); | |
2431 | break; | |
cf852037 | 2432 | case IPR_HOST_RCB_OVERLAY_ID_1: |
1da177e4 | 2433 | case IPR_HOST_RCB_OVERLAY_ID_DEFAULT: |
1da177e4 | 2434 | default: |
a9cfca96 | 2435 | ipr_log_generic_error(ioa_cfg, hostrcb); |
1da177e4 LT |
2436 | break; |
2437 | } | |
2438 | } | |
2439 | ||
2440 | /** | |
2441 | * ipr_process_error - Op done function for an adapter error log. | |
2442 | * @ipr_cmd: ipr command struct | |
2443 | * | |
2444 | * This function is the op done function for an error log host | |
2445 | * controlled async from the adapter. It will log the error and | |
2446 | * send the HCAM back to the adapter. | |
2447 | * | |
2448 | * Return value: | |
2449 | * none | |
2450 | **/ | |
2451 | static void ipr_process_error(struct ipr_cmnd *ipr_cmd) | |
2452 | { | |
2453 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
2454 | struct ipr_hostrcb *hostrcb = ipr_cmd->u.hostrcb; | |
96d21f00 | 2455 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
4565e370 WB |
2456 | u32 fd_ioasc; |
2457 | ||
2458 | if (ioa_cfg->sis64) | |
2459 | fd_ioasc = be32_to_cpu(hostrcb->hcam.u.error64.fd_ioasc); | |
2460 | else | |
2461 | fd_ioasc = be32_to_cpu(hostrcb->hcam.u.error.fd_ioasc); | |
1da177e4 LT |
2462 | |
2463 | list_del(&hostrcb->queue); | |
05a6538a | 2464 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
1da177e4 LT |
2465 | |
2466 | if (!ioasc) { | |
2467 | ipr_handle_log_data(ioa_cfg, hostrcb); | |
65f56475 BK |
2468 | if (fd_ioasc == IPR_IOASC_NR_IOA_RESET_REQUIRED) |
2469 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_ABBREV); | |
1da177e4 LT |
2470 | } else if (ioasc != IPR_IOASC_IOA_WAS_RESET) { |
2471 | dev_err(&ioa_cfg->pdev->dev, | |
2472 | "Host RCB failed with IOASC: 0x%08X\n", ioasc); | |
2473 | } | |
2474 | ||
2475 | ipr_send_hcam(ioa_cfg, IPR_HCAM_CDB_OP_CODE_LOG_DATA, hostrcb); | |
2476 | } | |
2477 | ||
2478 | /** | |
2479 | * ipr_timeout - An internally generated op has timed out. | |
2480 | * @ipr_cmd: ipr command struct | |
2481 | * | |
2482 | * This function blocks host requests and initiates an | |
2483 | * adapter reset. | |
2484 | * | |
2485 | * Return value: | |
2486 | * none | |
2487 | **/ | |
2488 | static void ipr_timeout(struct ipr_cmnd *ipr_cmd) | |
2489 | { | |
2490 | unsigned long lock_flags = 0; | |
2491 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
2492 | ||
2493 | ENTER; | |
2494 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
2495 | ||
2496 | ioa_cfg->errors_logged++; | |
2497 | dev_err(&ioa_cfg->pdev->dev, | |
2498 | "Adapter being reset due to command timeout.\n"); | |
2499 | ||
2500 | if (WAIT_FOR_DUMP == ioa_cfg->sdt_state) | |
2501 | ioa_cfg->sdt_state = GET_DUMP; | |
2502 | ||
2503 | if (!ioa_cfg->in_reset_reload || ioa_cfg->reset_cmd == ipr_cmd) | |
2504 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); | |
2505 | ||
2506 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
2507 | LEAVE; | |
2508 | } | |
2509 | ||
2510 | /** | |
2511 | * ipr_oper_timeout - Adapter timed out transitioning to operational | |
2512 | * @ipr_cmd: ipr command struct | |
2513 | * | |
2514 | * This function blocks host requests and initiates an | |
2515 | * adapter reset. | |
2516 | * | |
2517 | * Return value: | |
2518 | * none | |
2519 | **/ | |
2520 | static void ipr_oper_timeout(struct ipr_cmnd *ipr_cmd) | |
2521 | { | |
2522 | unsigned long lock_flags = 0; | |
2523 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
2524 | ||
2525 | ENTER; | |
2526 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
2527 | ||
2528 | ioa_cfg->errors_logged++; | |
2529 | dev_err(&ioa_cfg->pdev->dev, | |
2530 | "Adapter timed out transitioning to operational.\n"); | |
2531 | ||
2532 | if (WAIT_FOR_DUMP == ioa_cfg->sdt_state) | |
2533 | ioa_cfg->sdt_state = GET_DUMP; | |
2534 | ||
2535 | if (!ioa_cfg->in_reset_reload || ioa_cfg->reset_cmd == ipr_cmd) { | |
2536 | if (ipr_fastfail) | |
2537 | ioa_cfg->reset_retries += IPR_NUM_RESET_RELOAD_RETRIES; | |
2538 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); | |
2539 | } | |
2540 | ||
2541 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
2542 | LEAVE; | |
2543 | } | |
2544 | ||
2545 | /** | |
2546 | * ipr_reset_reload - Reset/Reload the IOA | |
2547 | * @ioa_cfg: ioa config struct | |
2548 | * @shutdown_type: shutdown type | |
2549 | * | |
2550 | * This function resets the adapter and re-initializes it. | |
2551 | * This function assumes that all new host commands have been stopped. | |
2552 | * Return value: | |
2553 | * SUCCESS / FAILED | |
2554 | **/ | |
2555 | static int ipr_reset_reload(struct ipr_ioa_cfg *ioa_cfg, | |
2556 | enum ipr_shutdown_type shutdown_type) | |
2557 | { | |
2558 | if (!ioa_cfg->in_reset_reload) | |
2559 | ipr_initiate_ioa_reset(ioa_cfg, shutdown_type); | |
2560 | ||
2561 | spin_unlock_irq(ioa_cfg->host->host_lock); | |
2562 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
2563 | spin_lock_irq(ioa_cfg->host->host_lock); | |
2564 | ||
2565 | /* If we got hit with a host reset while we were already resetting | |
2566 | the adapter for some reason, and the reset failed. */ | |
2567 | if (ioa_cfg->ioa_is_dead) { | |
2568 | ipr_trace; | |
2569 | return FAILED; | |
2570 | } | |
2571 | ||
2572 | return SUCCESS; | |
2573 | } | |
2574 | ||
2575 | /** | |
2576 | * ipr_find_ses_entry - Find matching SES in SES table | |
2577 | * @res: resource entry struct of SES | |
2578 | * | |
2579 | * Return value: | |
2580 | * pointer to SES table entry / NULL on failure | |
2581 | **/ | |
2582 | static const struct ipr_ses_table_entry * | |
2583 | ipr_find_ses_entry(struct ipr_resource_entry *res) | |
2584 | { | |
2585 | int i, j, matches; | |
3e7ebdfa | 2586 | struct ipr_std_inq_vpids *vpids; |
1da177e4 LT |
2587 | const struct ipr_ses_table_entry *ste = ipr_ses_table; |
2588 | ||
2589 | for (i = 0; i < ARRAY_SIZE(ipr_ses_table); i++, ste++) { | |
2590 | for (j = 0, matches = 0; j < IPR_PROD_ID_LEN; j++) { | |
2591 | if (ste->compare_product_id_byte[j] == 'X') { | |
3e7ebdfa WB |
2592 | vpids = &res->std_inq_data.vpids; |
2593 | if (vpids->product_id[j] == ste->product_id[j]) | |
1da177e4 LT |
2594 | matches++; |
2595 | else | |
2596 | break; | |
2597 | } else | |
2598 | matches++; | |
2599 | } | |
2600 | ||
2601 | if (matches == IPR_PROD_ID_LEN) | |
2602 | return ste; | |
2603 | } | |
2604 | ||
2605 | return NULL; | |
2606 | } | |
2607 | ||
2608 | /** | |
2609 | * ipr_get_max_scsi_speed - Determine max SCSI speed for a given bus | |
2610 | * @ioa_cfg: ioa config struct | |
2611 | * @bus: SCSI bus | |
2612 | * @bus_width: bus width | |
2613 | * | |
2614 | * Return value: | |
2615 | * SCSI bus speed in units of 100KHz, 1600 is 160 MHz | |
2616 | * For a 2-byte wide SCSI bus, the maximum transfer speed is | |
2617 | * twice the maximum transfer rate (e.g. for a wide enabled bus, | |
2618 | * max 160MHz = max 320MB/sec). | |
2619 | **/ | |
2620 | static u32 ipr_get_max_scsi_speed(struct ipr_ioa_cfg *ioa_cfg, u8 bus, u8 bus_width) | |
2621 | { | |
2622 | struct ipr_resource_entry *res; | |
2623 | const struct ipr_ses_table_entry *ste; | |
2624 | u32 max_xfer_rate = IPR_MAX_SCSI_RATE(bus_width); | |
2625 | ||
2626 | /* Loop through each config table entry in the config table buffer */ | |
2627 | list_for_each_entry(res, &ioa_cfg->used_res_q, queue) { | |
3e7ebdfa | 2628 | if (!(IPR_IS_SES_DEVICE(res->std_inq_data))) |
1da177e4 LT |
2629 | continue; |
2630 | ||
3e7ebdfa | 2631 | if (bus != res->bus) |
1da177e4 LT |
2632 | continue; |
2633 | ||
2634 | if (!(ste = ipr_find_ses_entry(res))) | |
2635 | continue; | |
2636 | ||
2637 | max_xfer_rate = (ste->max_bus_speed_limit * 10) / (bus_width / 8); | |
2638 | } | |
2639 | ||
2640 | return max_xfer_rate; | |
2641 | } | |
2642 | ||
2643 | /** | |
2644 | * ipr_wait_iodbg_ack - Wait for an IODEBUG ACK from the IOA | |
2645 | * @ioa_cfg: ioa config struct | |
2646 | * @max_delay: max delay in micro-seconds to wait | |
2647 | * | |
2648 | * Waits for an IODEBUG ACK from the IOA, doing busy looping. | |
2649 | * | |
2650 | * Return value: | |
2651 | * 0 on success / other on failure | |
2652 | **/ | |
2653 | static int ipr_wait_iodbg_ack(struct ipr_ioa_cfg *ioa_cfg, int max_delay) | |
2654 | { | |
2655 | volatile u32 pcii_reg; | |
2656 | int delay = 1; | |
2657 | ||
2658 | /* Read interrupt reg until IOA signals IO Debug Acknowledge */ | |
2659 | while (delay < max_delay) { | |
2660 | pcii_reg = readl(ioa_cfg->regs.sense_interrupt_reg); | |
2661 | ||
2662 | if (pcii_reg & IPR_PCII_IO_DEBUG_ACKNOWLEDGE) | |
2663 | return 0; | |
2664 | ||
2665 | /* udelay cannot be used if delay is more than a few milliseconds */ | |
2666 | if ((delay / 1000) > MAX_UDELAY_MS) | |
2667 | mdelay(delay / 1000); | |
2668 | else | |
2669 | udelay(delay); | |
2670 | ||
2671 | delay += delay; | |
2672 | } | |
2673 | return -EIO; | |
2674 | } | |
2675 | ||
dcbad00e WB |
2676 | /** |
2677 | * ipr_get_sis64_dump_data_section - Dump IOA memory | |
2678 | * @ioa_cfg: ioa config struct | |
2679 | * @start_addr: adapter address to dump | |
2680 | * @dest: destination kernel buffer | |
2681 | * @length_in_words: length to dump in 4 byte words | |
2682 | * | |
2683 | * Return value: | |
2684 | * 0 on success | |
2685 | **/ | |
2686 | static int ipr_get_sis64_dump_data_section(struct ipr_ioa_cfg *ioa_cfg, | |
2687 | u32 start_addr, | |
2688 | __be32 *dest, u32 length_in_words) | |
2689 | { | |
2690 | int i; | |
2691 | ||
2692 | for (i = 0; i < length_in_words; i++) { | |
2693 | writel(start_addr+(i*4), ioa_cfg->regs.dump_addr_reg); | |
2694 | *dest = cpu_to_be32(readl(ioa_cfg->regs.dump_data_reg)); | |
2695 | dest++; | |
2696 | } | |
2697 | ||
2698 | return 0; | |
2699 | } | |
2700 | ||
1da177e4 LT |
2701 | /** |
2702 | * ipr_get_ldump_data_section - Dump IOA memory | |
2703 | * @ioa_cfg: ioa config struct | |
2704 | * @start_addr: adapter address to dump | |
2705 | * @dest: destination kernel buffer | |
2706 | * @length_in_words: length to dump in 4 byte words | |
2707 | * | |
2708 | * Return value: | |
2709 | * 0 on success / -EIO on failure | |
2710 | **/ | |
2711 | static int ipr_get_ldump_data_section(struct ipr_ioa_cfg *ioa_cfg, | |
2712 | u32 start_addr, | |
2713 | __be32 *dest, u32 length_in_words) | |
2714 | { | |
2715 | volatile u32 temp_pcii_reg; | |
2716 | int i, delay = 0; | |
2717 | ||
dcbad00e WB |
2718 | if (ioa_cfg->sis64) |
2719 | return ipr_get_sis64_dump_data_section(ioa_cfg, start_addr, | |
2720 | dest, length_in_words); | |
2721 | ||
1da177e4 LT |
2722 | /* Write IOA interrupt reg starting LDUMP state */ |
2723 | writel((IPR_UPROCI_RESET_ALERT | IPR_UPROCI_IO_DEBUG_ALERT), | |
214777ba | 2724 | ioa_cfg->regs.set_uproc_interrupt_reg32); |
1da177e4 LT |
2725 | |
2726 | /* Wait for IO debug acknowledge */ | |
2727 | if (ipr_wait_iodbg_ack(ioa_cfg, | |
2728 | IPR_LDUMP_MAX_LONG_ACK_DELAY_IN_USEC)) { | |
2729 | dev_err(&ioa_cfg->pdev->dev, | |
2730 | "IOA dump long data transfer timeout\n"); | |
2731 | return -EIO; | |
2732 | } | |
2733 | ||
2734 | /* Signal LDUMP interlocked - clear IO debug ack */ | |
2735 | writel(IPR_PCII_IO_DEBUG_ACKNOWLEDGE, | |
2736 | ioa_cfg->regs.clr_interrupt_reg); | |
2737 | ||
2738 | /* Write Mailbox with starting address */ | |
2739 | writel(start_addr, ioa_cfg->ioa_mailbox); | |
2740 | ||
2741 | /* Signal address valid - clear IOA Reset alert */ | |
2742 | writel(IPR_UPROCI_RESET_ALERT, | |
214777ba | 2743 | ioa_cfg->regs.clr_uproc_interrupt_reg32); |
1da177e4 LT |
2744 | |
2745 | for (i = 0; i < length_in_words; i++) { | |
2746 | /* Wait for IO debug acknowledge */ | |
2747 | if (ipr_wait_iodbg_ack(ioa_cfg, | |
2748 | IPR_LDUMP_MAX_SHORT_ACK_DELAY_IN_USEC)) { | |
2749 | dev_err(&ioa_cfg->pdev->dev, | |
2750 | "IOA dump short data transfer timeout\n"); | |
2751 | return -EIO; | |
2752 | } | |
2753 | ||
2754 | /* Read data from mailbox and increment destination pointer */ | |
2755 | *dest = cpu_to_be32(readl(ioa_cfg->ioa_mailbox)); | |
2756 | dest++; | |
2757 | ||
2758 | /* For all but the last word of data, signal data received */ | |
2759 | if (i < (length_in_words - 1)) { | |
2760 | /* Signal dump data received - Clear IO debug Ack */ | |
2761 | writel(IPR_PCII_IO_DEBUG_ACKNOWLEDGE, | |
2762 | ioa_cfg->regs.clr_interrupt_reg); | |
2763 | } | |
2764 | } | |
2765 | ||
2766 | /* Signal end of block transfer. Set reset alert then clear IO debug ack */ | |
2767 | writel(IPR_UPROCI_RESET_ALERT, | |
214777ba | 2768 | ioa_cfg->regs.set_uproc_interrupt_reg32); |
1da177e4 LT |
2769 | |
2770 | writel(IPR_UPROCI_IO_DEBUG_ALERT, | |
214777ba | 2771 | ioa_cfg->regs.clr_uproc_interrupt_reg32); |
1da177e4 LT |
2772 | |
2773 | /* Signal dump data received - Clear IO debug Ack */ | |
2774 | writel(IPR_PCII_IO_DEBUG_ACKNOWLEDGE, | |
2775 | ioa_cfg->regs.clr_interrupt_reg); | |
2776 | ||
2777 | /* Wait for IOA to signal LDUMP exit - IOA reset alert will be cleared */ | |
2778 | while (delay < IPR_LDUMP_MAX_SHORT_ACK_DELAY_IN_USEC) { | |
2779 | temp_pcii_reg = | |
214777ba | 2780 | readl(ioa_cfg->regs.sense_uproc_interrupt_reg32); |
1da177e4 LT |
2781 | |
2782 | if (!(temp_pcii_reg & IPR_UPROCI_RESET_ALERT)) | |
2783 | return 0; | |
2784 | ||
2785 | udelay(10); | |
2786 | delay += 10; | |
2787 | } | |
2788 | ||
2789 | return 0; | |
2790 | } | |
2791 | ||
2792 | #ifdef CONFIG_SCSI_IPR_DUMP | |
2793 | /** | |
2794 | * ipr_sdt_copy - Copy Smart Dump Table to kernel buffer | |
2795 | * @ioa_cfg: ioa config struct | |
2796 | * @pci_address: adapter address | |
2797 | * @length: length of data to copy | |
2798 | * | |
2799 | * Copy data from PCI adapter to kernel buffer. | |
2800 | * Note: length MUST be a 4 byte multiple | |
2801 | * Return value: | |
2802 | * 0 on success / other on failure | |
2803 | **/ | |
2804 | static int ipr_sdt_copy(struct ipr_ioa_cfg *ioa_cfg, | |
2805 | unsigned long pci_address, u32 length) | |
2806 | { | |
2807 | int bytes_copied = 0; | |
4d4dd706 | 2808 | int cur_len, rc, rem_len, rem_page_len, max_dump_size; |
1da177e4 LT |
2809 | __be32 *page; |
2810 | unsigned long lock_flags = 0; | |
2811 | struct ipr_ioa_dump *ioa_dump = &ioa_cfg->dump->ioa_dump; | |
2812 | ||
4d4dd706 KSS |
2813 | if (ioa_cfg->sis64) |
2814 | max_dump_size = IPR_FMT3_MAX_IOA_DUMP_SIZE; | |
2815 | else | |
2816 | max_dump_size = IPR_FMT2_MAX_IOA_DUMP_SIZE; | |
2817 | ||
1da177e4 | 2818 | while (bytes_copied < length && |
4d4dd706 | 2819 | (ioa_dump->hdr.len + bytes_copied) < max_dump_size) { |
1da177e4 LT |
2820 | if (ioa_dump->page_offset >= PAGE_SIZE || |
2821 | ioa_dump->page_offset == 0) { | |
2822 | page = (__be32 *)__get_free_page(GFP_ATOMIC); | |
2823 | ||
2824 | if (!page) { | |
2825 | ipr_trace; | |
2826 | return bytes_copied; | |
2827 | } | |
2828 | ||
2829 | ioa_dump->page_offset = 0; | |
2830 | ioa_dump->ioa_data[ioa_dump->next_page_index] = page; | |
2831 | ioa_dump->next_page_index++; | |
2832 | } else | |
2833 | page = ioa_dump->ioa_data[ioa_dump->next_page_index - 1]; | |
2834 | ||
2835 | rem_len = length - bytes_copied; | |
2836 | rem_page_len = PAGE_SIZE - ioa_dump->page_offset; | |
2837 | cur_len = min(rem_len, rem_page_len); | |
2838 | ||
2839 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
2840 | if (ioa_cfg->sdt_state == ABORT_DUMP) { | |
2841 | rc = -EIO; | |
2842 | } else { | |
2843 | rc = ipr_get_ldump_data_section(ioa_cfg, | |
2844 | pci_address + bytes_copied, | |
2845 | &page[ioa_dump->page_offset / 4], | |
2846 | (cur_len / sizeof(u32))); | |
2847 | } | |
2848 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
2849 | ||
2850 | if (!rc) { | |
2851 | ioa_dump->page_offset += cur_len; | |
2852 | bytes_copied += cur_len; | |
2853 | } else { | |
2854 | ipr_trace; | |
2855 | break; | |
2856 | } | |
2857 | schedule(); | |
2858 | } | |
2859 | ||
2860 | return bytes_copied; | |
2861 | } | |
2862 | ||
2863 | /** | |
2864 | * ipr_init_dump_entry_hdr - Initialize a dump entry header. | |
2865 | * @hdr: dump entry header struct | |
2866 | * | |
2867 | * Return value: | |
2868 | * nothing | |
2869 | **/ | |
2870 | static void ipr_init_dump_entry_hdr(struct ipr_dump_entry_header *hdr) | |
2871 | { | |
2872 | hdr->eye_catcher = IPR_DUMP_EYE_CATCHER; | |
2873 | hdr->num_elems = 1; | |
2874 | hdr->offset = sizeof(*hdr); | |
2875 | hdr->status = IPR_DUMP_STATUS_SUCCESS; | |
2876 | } | |
2877 | ||
2878 | /** | |
2879 | * ipr_dump_ioa_type_data - Fill in the adapter type in the dump. | |
2880 | * @ioa_cfg: ioa config struct | |
2881 | * @driver_dump: driver dump struct | |
2882 | * | |
2883 | * Return value: | |
2884 | * nothing | |
2885 | **/ | |
2886 | static void ipr_dump_ioa_type_data(struct ipr_ioa_cfg *ioa_cfg, | |
2887 | struct ipr_driver_dump *driver_dump) | |
2888 | { | |
2889 | struct ipr_inquiry_page3 *ucode_vpd = &ioa_cfg->vpd_cbs->page3_data; | |
2890 | ||
2891 | ipr_init_dump_entry_hdr(&driver_dump->ioa_type_entry.hdr); | |
2892 | driver_dump->ioa_type_entry.hdr.len = | |
2893 | sizeof(struct ipr_dump_ioa_type_entry) - | |
2894 | sizeof(struct ipr_dump_entry_header); | |
2895 | driver_dump->ioa_type_entry.hdr.data_type = IPR_DUMP_DATA_TYPE_BINARY; | |
2896 | driver_dump->ioa_type_entry.hdr.id = IPR_DUMP_DRIVER_TYPE_ID; | |
2897 | driver_dump->ioa_type_entry.type = ioa_cfg->type; | |
2898 | driver_dump->ioa_type_entry.fw_version = (ucode_vpd->major_release << 24) | | |
2899 | (ucode_vpd->card_type << 16) | (ucode_vpd->minor_release[0] << 8) | | |
2900 | ucode_vpd->minor_release[1]; | |
2901 | driver_dump->hdr.num_entries++; | |
2902 | } | |
2903 | ||
2904 | /** | |
2905 | * ipr_dump_version_data - Fill in the driver version in the dump. | |
2906 | * @ioa_cfg: ioa config struct | |
2907 | * @driver_dump: driver dump struct | |
2908 | * | |
2909 | * Return value: | |
2910 | * nothing | |
2911 | **/ | |
2912 | static void ipr_dump_version_data(struct ipr_ioa_cfg *ioa_cfg, | |
2913 | struct ipr_driver_dump *driver_dump) | |
2914 | { | |
2915 | ipr_init_dump_entry_hdr(&driver_dump->version_entry.hdr); | |
2916 | driver_dump->version_entry.hdr.len = | |
2917 | sizeof(struct ipr_dump_version_entry) - | |
2918 | sizeof(struct ipr_dump_entry_header); | |
2919 | driver_dump->version_entry.hdr.data_type = IPR_DUMP_DATA_TYPE_ASCII; | |
2920 | driver_dump->version_entry.hdr.id = IPR_DUMP_DRIVER_VERSION_ID; | |
2921 | strcpy(driver_dump->version_entry.version, IPR_DRIVER_VERSION); | |
2922 | driver_dump->hdr.num_entries++; | |
2923 | } | |
2924 | ||
2925 | /** | |
2926 | * ipr_dump_trace_data - Fill in the IOA trace in the dump. | |
2927 | * @ioa_cfg: ioa config struct | |
2928 | * @driver_dump: driver dump struct | |
2929 | * | |
2930 | * Return value: | |
2931 | * nothing | |
2932 | **/ | |
2933 | static void ipr_dump_trace_data(struct ipr_ioa_cfg *ioa_cfg, | |
2934 | struct ipr_driver_dump *driver_dump) | |
2935 | { | |
2936 | ipr_init_dump_entry_hdr(&driver_dump->trace_entry.hdr); | |
2937 | driver_dump->trace_entry.hdr.len = | |
2938 | sizeof(struct ipr_dump_trace_entry) - | |
2939 | sizeof(struct ipr_dump_entry_header); | |
2940 | driver_dump->trace_entry.hdr.data_type = IPR_DUMP_DATA_TYPE_BINARY; | |
2941 | driver_dump->trace_entry.hdr.id = IPR_DUMP_TRACE_ID; | |
2942 | memcpy(driver_dump->trace_entry.trace, ioa_cfg->trace, IPR_TRACE_SIZE); | |
2943 | driver_dump->hdr.num_entries++; | |
2944 | } | |
2945 | ||
2946 | /** | |
2947 | * ipr_dump_location_data - Fill in the IOA location in the dump. | |
2948 | * @ioa_cfg: ioa config struct | |
2949 | * @driver_dump: driver dump struct | |
2950 | * | |
2951 | * Return value: | |
2952 | * nothing | |
2953 | **/ | |
2954 | static void ipr_dump_location_data(struct ipr_ioa_cfg *ioa_cfg, | |
2955 | struct ipr_driver_dump *driver_dump) | |
2956 | { | |
2957 | ipr_init_dump_entry_hdr(&driver_dump->location_entry.hdr); | |
2958 | driver_dump->location_entry.hdr.len = | |
2959 | sizeof(struct ipr_dump_location_entry) - | |
2960 | sizeof(struct ipr_dump_entry_header); | |
2961 | driver_dump->location_entry.hdr.data_type = IPR_DUMP_DATA_TYPE_ASCII; | |
2962 | driver_dump->location_entry.hdr.id = IPR_DUMP_LOCATION_ID; | |
71610f55 | 2963 | strcpy(driver_dump->location_entry.location, dev_name(&ioa_cfg->pdev->dev)); |
1da177e4 LT |
2964 | driver_dump->hdr.num_entries++; |
2965 | } | |
2966 | ||
2967 | /** | |
2968 | * ipr_get_ioa_dump - Perform a dump of the driver and adapter. | |
2969 | * @ioa_cfg: ioa config struct | |
2970 | * @dump: dump struct | |
2971 | * | |
2972 | * Return value: | |
2973 | * nothing | |
2974 | **/ | |
2975 | static void ipr_get_ioa_dump(struct ipr_ioa_cfg *ioa_cfg, struct ipr_dump *dump) | |
2976 | { | |
2977 | unsigned long start_addr, sdt_word; | |
2978 | unsigned long lock_flags = 0; | |
2979 | struct ipr_driver_dump *driver_dump = &dump->driver_dump; | |
2980 | struct ipr_ioa_dump *ioa_dump = &dump->ioa_dump; | |
4d4dd706 KSS |
2981 | u32 num_entries, max_num_entries, start_off, end_off; |
2982 | u32 max_dump_size, bytes_to_copy, bytes_copied, rc; | |
1da177e4 | 2983 | struct ipr_sdt *sdt; |
dcbad00e | 2984 | int valid = 1; |
1da177e4 LT |
2985 | int i; |
2986 | ||
2987 | ENTER; | |
2988 | ||
2989 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
2990 | ||
41e9a696 | 2991 | if (ioa_cfg->sdt_state != READ_DUMP) { |
1da177e4 LT |
2992 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
2993 | return; | |
2994 | } | |
2995 | ||
110def85 WB |
2996 | if (ioa_cfg->sis64) { |
2997 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
2998 | ssleep(IPR_DUMP_DELAY_SECONDS); | |
2999 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3000 | } | |
3001 | ||
1da177e4 LT |
3002 | start_addr = readl(ioa_cfg->ioa_mailbox); |
3003 | ||
dcbad00e | 3004 | if (!ioa_cfg->sis64 && !ipr_sdt_is_fmt2(start_addr)) { |
1da177e4 LT |
3005 | dev_err(&ioa_cfg->pdev->dev, |
3006 | "Invalid dump table format: %lx\n", start_addr); | |
3007 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3008 | return; | |
3009 | } | |
3010 | ||
3011 | dev_err(&ioa_cfg->pdev->dev, "Dump of IOA initiated\n"); | |
3012 | ||
3013 | driver_dump->hdr.eye_catcher = IPR_DUMP_EYE_CATCHER; | |
3014 | ||
3015 | /* Initialize the overall dump header */ | |
3016 | driver_dump->hdr.len = sizeof(struct ipr_driver_dump); | |
3017 | driver_dump->hdr.num_entries = 1; | |
3018 | driver_dump->hdr.first_entry_offset = sizeof(struct ipr_dump_header); | |
3019 | driver_dump->hdr.status = IPR_DUMP_STATUS_SUCCESS; | |
3020 | driver_dump->hdr.os = IPR_DUMP_OS_LINUX; | |
3021 | driver_dump->hdr.driver_name = IPR_DUMP_DRIVER_NAME; | |
3022 | ||
3023 | ipr_dump_version_data(ioa_cfg, driver_dump); | |
3024 | ipr_dump_location_data(ioa_cfg, driver_dump); | |
3025 | ipr_dump_ioa_type_data(ioa_cfg, driver_dump); | |
3026 | ipr_dump_trace_data(ioa_cfg, driver_dump); | |
3027 | ||
3028 | /* Update dump_header */ | |
3029 | driver_dump->hdr.len += sizeof(struct ipr_dump_entry_header); | |
3030 | ||
3031 | /* IOA Dump entry */ | |
3032 | ipr_init_dump_entry_hdr(&ioa_dump->hdr); | |
1da177e4 LT |
3033 | ioa_dump->hdr.len = 0; |
3034 | ioa_dump->hdr.data_type = IPR_DUMP_DATA_TYPE_BINARY; | |
3035 | ioa_dump->hdr.id = IPR_DUMP_IOA_DUMP_ID; | |
3036 | ||
3037 | /* First entries in sdt are actually a list of dump addresses and | |
3038 | lengths to gather the real dump data. sdt represents the pointer | |
3039 | to the ioa generated dump table. Dump data will be extracted based | |
3040 | on entries in this table */ | |
3041 | sdt = &ioa_dump->sdt; | |
3042 | ||
4d4dd706 KSS |
3043 | if (ioa_cfg->sis64) { |
3044 | max_num_entries = IPR_FMT3_NUM_SDT_ENTRIES; | |
3045 | max_dump_size = IPR_FMT3_MAX_IOA_DUMP_SIZE; | |
3046 | } else { | |
3047 | max_num_entries = IPR_FMT2_NUM_SDT_ENTRIES; | |
3048 | max_dump_size = IPR_FMT2_MAX_IOA_DUMP_SIZE; | |
3049 | } | |
3050 | ||
3051 | bytes_to_copy = offsetof(struct ipr_sdt, entry) + | |
3052 | (max_num_entries * sizeof(struct ipr_sdt_entry)); | |
1da177e4 | 3053 | rc = ipr_get_ldump_data_section(ioa_cfg, start_addr, (__be32 *)sdt, |
4d4dd706 | 3054 | bytes_to_copy / sizeof(__be32)); |
1da177e4 LT |
3055 | |
3056 | /* Smart Dump table is ready to use and the first entry is valid */ | |
dcbad00e WB |
3057 | if (rc || ((be32_to_cpu(sdt->hdr.state) != IPR_FMT3_SDT_READY_TO_USE) && |
3058 | (be32_to_cpu(sdt->hdr.state) != IPR_FMT2_SDT_READY_TO_USE))) { | |
1da177e4 LT |
3059 | dev_err(&ioa_cfg->pdev->dev, |
3060 | "Dump of IOA failed. Dump table not valid: %d, %X.\n", | |
3061 | rc, be32_to_cpu(sdt->hdr.state)); | |
3062 | driver_dump->hdr.status = IPR_DUMP_STATUS_FAILED; | |
3063 | ioa_cfg->sdt_state = DUMP_OBTAINED; | |
3064 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3065 | return; | |
3066 | } | |
3067 | ||
3068 | num_entries = be32_to_cpu(sdt->hdr.num_entries_used); | |
3069 | ||
4d4dd706 KSS |
3070 | if (num_entries > max_num_entries) |
3071 | num_entries = max_num_entries; | |
3072 | ||
3073 | /* Update dump length to the actual data to be copied */ | |
3074 | dump->driver_dump.hdr.len += sizeof(struct ipr_sdt_header); | |
3075 | if (ioa_cfg->sis64) | |
3076 | dump->driver_dump.hdr.len += num_entries * sizeof(struct ipr_sdt_entry); | |
3077 | else | |
3078 | dump->driver_dump.hdr.len += max_num_entries * sizeof(struct ipr_sdt_entry); | |
1da177e4 LT |
3079 | |
3080 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3081 | ||
3082 | for (i = 0; i < num_entries; i++) { | |
4d4dd706 | 3083 | if (ioa_dump->hdr.len > max_dump_size) { |
1da177e4 LT |
3084 | driver_dump->hdr.status = IPR_DUMP_STATUS_QUAL_SUCCESS; |
3085 | break; | |
3086 | } | |
3087 | ||
3088 | if (sdt->entry[i].flags & IPR_SDT_VALID_ENTRY) { | |
dcbad00e WB |
3089 | sdt_word = be32_to_cpu(sdt->entry[i].start_token); |
3090 | if (ioa_cfg->sis64) | |
3091 | bytes_to_copy = be32_to_cpu(sdt->entry[i].end_token); | |
3092 | else { | |
3093 | start_off = sdt_word & IPR_FMT2_MBX_ADDR_MASK; | |
3094 | end_off = be32_to_cpu(sdt->entry[i].end_token); | |
3095 | ||
3096 | if (ipr_sdt_is_fmt2(sdt_word) && sdt_word) | |
3097 | bytes_to_copy = end_off - start_off; | |
3098 | else | |
3099 | valid = 0; | |
3100 | } | |
3101 | if (valid) { | |
4d4dd706 | 3102 | if (bytes_to_copy > max_dump_size) { |
1da177e4 LT |
3103 | sdt->entry[i].flags &= ~IPR_SDT_VALID_ENTRY; |
3104 | continue; | |
3105 | } | |
3106 | ||
3107 | /* Copy data from adapter to driver buffers */ | |
3108 | bytes_copied = ipr_sdt_copy(ioa_cfg, sdt_word, | |
3109 | bytes_to_copy); | |
3110 | ||
3111 | ioa_dump->hdr.len += bytes_copied; | |
3112 | ||
3113 | if (bytes_copied != bytes_to_copy) { | |
3114 | driver_dump->hdr.status = IPR_DUMP_STATUS_QUAL_SUCCESS; | |
3115 | break; | |
3116 | } | |
3117 | } | |
3118 | } | |
3119 | } | |
3120 | ||
3121 | dev_err(&ioa_cfg->pdev->dev, "Dump of IOA completed.\n"); | |
3122 | ||
3123 | /* Update dump_header */ | |
3124 | driver_dump->hdr.len += ioa_dump->hdr.len; | |
3125 | wmb(); | |
3126 | ioa_cfg->sdt_state = DUMP_OBTAINED; | |
3127 | LEAVE; | |
3128 | } | |
3129 | ||
3130 | #else | |
203fa3fe | 3131 | #define ipr_get_ioa_dump(ioa_cfg, dump) do { } while (0) |
1da177e4 LT |
3132 | #endif |
3133 | ||
3134 | /** | |
3135 | * ipr_release_dump - Free adapter dump memory | |
3136 | * @kref: kref struct | |
3137 | * | |
3138 | * Return value: | |
3139 | * nothing | |
3140 | **/ | |
3141 | static void ipr_release_dump(struct kref *kref) | |
3142 | { | |
203fa3fe | 3143 | struct ipr_dump *dump = container_of(kref, struct ipr_dump, kref); |
1da177e4 LT |
3144 | struct ipr_ioa_cfg *ioa_cfg = dump->ioa_cfg; |
3145 | unsigned long lock_flags = 0; | |
3146 | int i; | |
3147 | ||
3148 | ENTER; | |
3149 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3150 | ioa_cfg->dump = NULL; | |
3151 | ioa_cfg->sdt_state = INACTIVE; | |
3152 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3153 | ||
3154 | for (i = 0; i < dump->ioa_dump.next_page_index; i++) | |
3155 | free_page((unsigned long) dump->ioa_dump.ioa_data[i]); | |
3156 | ||
4d4dd706 | 3157 | vfree(dump->ioa_dump.ioa_data); |
1da177e4 LT |
3158 | kfree(dump); |
3159 | LEAVE; | |
3160 | } | |
3161 | ||
3162 | /** | |
3163 | * ipr_worker_thread - Worker thread | |
c4028958 | 3164 | * @work: ioa config struct |
1da177e4 LT |
3165 | * |
3166 | * Called at task level from a work thread. This function takes care | |
3167 | * of adding and removing device from the mid-layer as configuration | |
3168 | * changes are detected by the adapter. | |
3169 | * | |
3170 | * Return value: | |
3171 | * nothing | |
3172 | **/ | |
c4028958 | 3173 | static void ipr_worker_thread(struct work_struct *work) |
1da177e4 LT |
3174 | { |
3175 | unsigned long lock_flags; | |
3176 | struct ipr_resource_entry *res; | |
3177 | struct scsi_device *sdev; | |
3178 | struct ipr_dump *dump; | |
c4028958 DH |
3179 | struct ipr_ioa_cfg *ioa_cfg = |
3180 | container_of(work, struct ipr_ioa_cfg, work_q); | |
1da177e4 LT |
3181 | u8 bus, target, lun; |
3182 | int did_work; | |
3183 | ||
3184 | ENTER; | |
3185 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3186 | ||
41e9a696 | 3187 | if (ioa_cfg->sdt_state == READ_DUMP) { |
1da177e4 LT |
3188 | dump = ioa_cfg->dump; |
3189 | if (!dump) { | |
3190 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3191 | return; | |
3192 | } | |
3193 | kref_get(&dump->kref); | |
3194 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3195 | ipr_get_ioa_dump(ioa_cfg, dump); | |
3196 | kref_put(&dump->kref, ipr_release_dump); | |
3197 | ||
3198 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4c647e90 | 3199 | if (ioa_cfg->sdt_state == DUMP_OBTAINED && !ioa_cfg->dump_timeout) |
1da177e4 LT |
3200 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); |
3201 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3202 | return; | |
3203 | } | |
3204 | ||
3205 | restart: | |
3206 | do { | |
3207 | did_work = 0; | |
3208 | if (!ioa_cfg->allow_cmds || !ioa_cfg->allow_ml_add_del) { | |
3209 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3210 | return; | |
3211 | } | |
3212 | ||
3213 | list_for_each_entry(res, &ioa_cfg->used_res_q, queue) { | |
3214 | if (res->del_from_ml && res->sdev) { | |
3215 | did_work = 1; | |
3216 | sdev = res->sdev; | |
3217 | if (!scsi_device_get(sdev)) { | |
5767a1c4 KSS |
3218 | if (!res->add_to_ml) |
3219 | list_move_tail(&res->queue, &ioa_cfg->free_res_q); | |
3220 | else | |
3221 | res->del_from_ml = 0; | |
1da177e4 LT |
3222 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
3223 | scsi_remove_device(sdev); | |
3224 | scsi_device_put(sdev); | |
3225 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3226 | } | |
3227 | break; | |
3228 | } | |
3229 | } | |
203fa3fe | 3230 | } while (did_work); |
1da177e4 LT |
3231 | |
3232 | list_for_each_entry(res, &ioa_cfg->used_res_q, queue) { | |
3233 | if (res->add_to_ml) { | |
3e7ebdfa WB |
3234 | bus = res->bus; |
3235 | target = res->target; | |
3236 | lun = res->lun; | |
1121b794 | 3237 | res->add_to_ml = 0; |
1da177e4 LT |
3238 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
3239 | scsi_add_device(ioa_cfg->host, bus, target, lun); | |
3240 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3241 | goto restart; | |
3242 | } | |
3243 | } | |
3244 | ||
3245 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
ee959b00 | 3246 | kobject_uevent(&ioa_cfg->host->shost_dev.kobj, KOBJ_CHANGE); |
1da177e4 LT |
3247 | LEAVE; |
3248 | } | |
3249 | ||
3250 | #ifdef CONFIG_SCSI_IPR_TRACE | |
3251 | /** | |
3252 | * ipr_read_trace - Dump the adapter trace | |
2c3c8bea | 3253 | * @filp: open sysfs file |
1da177e4 | 3254 | * @kobj: kobject struct |
91a69029 | 3255 | * @bin_attr: bin_attribute struct |
1da177e4 LT |
3256 | * @buf: buffer |
3257 | * @off: offset | |
3258 | * @count: buffer size | |
3259 | * | |
3260 | * Return value: | |
3261 | * number of bytes printed to buffer | |
3262 | **/ | |
2c3c8bea | 3263 | static ssize_t ipr_read_trace(struct file *filp, struct kobject *kobj, |
91a69029 ZR |
3264 | struct bin_attribute *bin_attr, |
3265 | char *buf, loff_t off, size_t count) | |
1da177e4 | 3266 | { |
ee959b00 TJ |
3267 | struct device *dev = container_of(kobj, struct device, kobj); |
3268 | struct Scsi_Host *shost = class_to_shost(dev); | |
1da177e4 LT |
3269 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
3270 | unsigned long lock_flags = 0; | |
d777aaf3 | 3271 | ssize_t ret; |
1da177e4 LT |
3272 | |
3273 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
d777aaf3 AM |
3274 | ret = memory_read_from_buffer(buf, count, &off, ioa_cfg->trace, |
3275 | IPR_TRACE_SIZE); | |
1da177e4 | 3276 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
d777aaf3 AM |
3277 | |
3278 | return ret; | |
1da177e4 LT |
3279 | } |
3280 | ||
3281 | static struct bin_attribute ipr_trace_attr = { | |
3282 | .attr = { | |
3283 | .name = "trace", | |
3284 | .mode = S_IRUGO, | |
3285 | }, | |
3286 | .size = 0, | |
3287 | .read = ipr_read_trace, | |
3288 | }; | |
3289 | #endif | |
3290 | ||
3291 | /** | |
3292 | * ipr_show_fw_version - Show the firmware version | |
ee959b00 TJ |
3293 | * @dev: class device struct |
3294 | * @buf: buffer | |
1da177e4 LT |
3295 | * |
3296 | * Return value: | |
3297 | * number of bytes printed to buffer | |
3298 | **/ | |
ee959b00 TJ |
3299 | static ssize_t ipr_show_fw_version(struct device *dev, |
3300 | struct device_attribute *attr, char *buf) | |
1da177e4 | 3301 | { |
ee959b00 | 3302 | struct Scsi_Host *shost = class_to_shost(dev); |
1da177e4 LT |
3303 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
3304 | struct ipr_inquiry_page3 *ucode_vpd = &ioa_cfg->vpd_cbs->page3_data; | |
3305 | unsigned long lock_flags = 0; | |
3306 | int len; | |
3307 | ||
3308 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3309 | len = snprintf(buf, PAGE_SIZE, "%02X%02X%02X%02X\n", | |
3310 | ucode_vpd->major_release, ucode_vpd->card_type, | |
3311 | ucode_vpd->minor_release[0], | |
3312 | ucode_vpd->minor_release[1]); | |
3313 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3314 | return len; | |
3315 | } | |
3316 | ||
ee959b00 | 3317 | static struct device_attribute ipr_fw_version_attr = { |
1da177e4 LT |
3318 | .attr = { |
3319 | .name = "fw_version", | |
3320 | .mode = S_IRUGO, | |
3321 | }, | |
3322 | .show = ipr_show_fw_version, | |
3323 | }; | |
3324 | ||
3325 | /** | |
3326 | * ipr_show_log_level - Show the adapter's error logging level | |
ee959b00 TJ |
3327 | * @dev: class device struct |
3328 | * @buf: buffer | |
1da177e4 LT |
3329 | * |
3330 | * Return value: | |
3331 | * number of bytes printed to buffer | |
3332 | **/ | |
ee959b00 TJ |
3333 | static ssize_t ipr_show_log_level(struct device *dev, |
3334 | struct device_attribute *attr, char *buf) | |
1da177e4 | 3335 | { |
ee959b00 | 3336 | struct Scsi_Host *shost = class_to_shost(dev); |
1da177e4 LT |
3337 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
3338 | unsigned long lock_flags = 0; | |
3339 | int len; | |
3340 | ||
3341 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3342 | len = snprintf(buf, PAGE_SIZE, "%d\n", ioa_cfg->log_level); | |
3343 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3344 | return len; | |
3345 | } | |
3346 | ||
3347 | /** | |
3348 | * ipr_store_log_level - Change the adapter's error logging level | |
ee959b00 TJ |
3349 | * @dev: class device struct |
3350 | * @buf: buffer | |
1da177e4 LT |
3351 | * |
3352 | * Return value: | |
3353 | * number of bytes printed to buffer | |
3354 | **/ | |
ee959b00 | 3355 | static ssize_t ipr_store_log_level(struct device *dev, |
203fa3fe | 3356 | struct device_attribute *attr, |
1da177e4 LT |
3357 | const char *buf, size_t count) |
3358 | { | |
ee959b00 | 3359 | struct Scsi_Host *shost = class_to_shost(dev); |
1da177e4 LT |
3360 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
3361 | unsigned long lock_flags = 0; | |
3362 | ||
3363 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3364 | ioa_cfg->log_level = simple_strtoul(buf, NULL, 10); | |
3365 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3366 | return strlen(buf); | |
3367 | } | |
3368 | ||
ee959b00 | 3369 | static struct device_attribute ipr_log_level_attr = { |
1da177e4 LT |
3370 | .attr = { |
3371 | .name = "log_level", | |
3372 | .mode = S_IRUGO | S_IWUSR, | |
3373 | }, | |
3374 | .show = ipr_show_log_level, | |
3375 | .store = ipr_store_log_level | |
3376 | }; | |
3377 | ||
3378 | /** | |
3379 | * ipr_store_diagnostics - IOA Diagnostics interface | |
ee959b00 TJ |
3380 | * @dev: device struct |
3381 | * @buf: buffer | |
3382 | * @count: buffer size | |
1da177e4 LT |
3383 | * |
3384 | * This function will reset the adapter and wait a reasonable | |
3385 | * amount of time for any errors that the adapter might log. | |
3386 | * | |
3387 | * Return value: | |
3388 | * count on success / other on failure | |
3389 | **/ | |
ee959b00 TJ |
3390 | static ssize_t ipr_store_diagnostics(struct device *dev, |
3391 | struct device_attribute *attr, | |
1da177e4 LT |
3392 | const char *buf, size_t count) |
3393 | { | |
ee959b00 | 3394 | struct Scsi_Host *shost = class_to_shost(dev); |
1da177e4 LT |
3395 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
3396 | unsigned long lock_flags = 0; | |
3397 | int rc = count; | |
3398 | ||
3399 | if (!capable(CAP_SYS_ADMIN)) | |
3400 | return -EACCES; | |
3401 | ||
1da177e4 | 3402 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); |
203fa3fe | 3403 | while (ioa_cfg->in_reset_reload) { |
970ea294 BK |
3404 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
3405 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
3406 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3407 | } | |
3408 | ||
1da177e4 LT |
3409 | ioa_cfg->errors_logged = 0; |
3410 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NORMAL); | |
3411 | ||
3412 | if (ioa_cfg->in_reset_reload) { | |
3413 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3414 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
3415 | ||
3416 | /* Wait for a second for any errors to be logged */ | |
3417 | msleep(1000); | |
3418 | } else { | |
3419 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3420 | return -EIO; | |
3421 | } | |
3422 | ||
3423 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3424 | if (ioa_cfg->in_reset_reload || ioa_cfg->errors_logged) | |
3425 | rc = -EIO; | |
3426 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3427 | ||
3428 | return rc; | |
3429 | } | |
3430 | ||
ee959b00 | 3431 | static struct device_attribute ipr_diagnostics_attr = { |
1da177e4 LT |
3432 | .attr = { |
3433 | .name = "run_diagnostics", | |
3434 | .mode = S_IWUSR, | |
3435 | }, | |
3436 | .store = ipr_store_diagnostics | |
3437 | }; | |
3438 | ||
f37eb54b | 3439 | /** |
3440 | * ipr_show_adapter_state - Show the adapter's state | |
ee959b00 TJ |
3441 | * @class_dev: device struct |
3442 | * @buf: buffer | |
f37eb54b | 3443 | * |
3444 | * Return value: | |
3445 | * number of bytes printed to buffer | |
3446 | **/ | |
ee959b00 TJ |
3447 | static ssize_t ipr_show_adapter_state(struct device *dev, |
3448 | struct device_attribute *attr, char *buf) | |
f37eb54b | 3449 | { |
ee959b00 | 3450 | struct Scsi_Host *shost = class_to_shost(dev); |
f37eb54b | 3451 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
3452 | unsigned long lock_flags = 0; | |
3453 | int len; | |
3454 | ||
3455 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3456 | if (ioa_cfg->ioa_is_dead) | |
3457 | len = snprintf(buf, PAGE_SIZE, "offline\n"); | |
3458 | else | |
3459 | len = snprintf(buf, PAGE_SIZE, "online\n"); | |
3460 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3461 | return len; | |
3462 | } | |
3463 | ||
3464 | /** | |
3465 | * ipr_store_adapter_state - Change adapter state | |
ee959b00 TJ |
3466 | * @dev: device struct |
3467 | * @buf: buffer | |
3468 | * @count: buffer size | |
f37eb54b | 3469 | * |
3470 | * This function will change the adapter's state. | |
3471 | * | |
3472 | * Return value: | |
3473 | * count on success / other on failure | |
3474 | **/ | |
ee959b00 TJ |
3475 | static ssize_t ipr_store_adapter_state(struct device *dev, |
3476 | struct device_attribute *attr, | |
f37eb54b | 3477 | const char *buf, size_t count) |
3478 | { | |
ee959b00 | 3479 | struct Scsi_Host *shost = class_to_shost(dev); |
f37eb54b | 3480 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
3481 | unsigned long lock_flags; | |
3482 | int result = count; | |
3483 | ||
3484 | if (!capable(CAP_SYS_ADMIN)) | |
3485 | return -EACCES; | |
3486 | ||
3487 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3488 | if (ioa_cfg->ioa_is_dead && !strncmp(buf, "online", 6)) { | |
3489 | ioa_cfg->ioa_is_dead = 0; | |
3490 | ioa_cfg->reset_retries = 0; | |
3491 | ioa_cfg->in_ioa_bringdown = 0; | |
3492 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); | |
3493 | } | |
3494 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3495 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
3496 | ||
3497 | return result; | |
3498 | } | |
3499 | ||
ee959b00 | 3500 | static struct device_attribute ipr_ioa_state_attr = { |
f37eb54b | 3501 | .attr = { |
49dd0961 | 3502 | .name = "online_state", |
f37eb54b | 3503 | .mode = S_IRUGO | S_IWUSR, |
3504 | }, | |
3505 | .show = ipr_show_adapter_state, | |
3506 | .store = ipr_store_adapter_state | |
3507 | }; | |
3508 | ||
1da177e4 LT |
3509 | /** |
3510 | * ipr_store_reset_adapter - Reset the adapter | |
ee959b00 TJ |
3511 | * @dev: device struct |
3512 | * @buf: buffer | |
3513 | * @count: buffer size | |
1da177e4 LT |
3514 | * |
3515 | * This function will reset the adapter. | |
3516 | * | |
3517 | * Return value: | |
3518 | * count on success / other on failure | |
3519 | **/ | |
ee959b00 TJ |
3520 | static ssize_t ipr_store_reset_adapter(struct device *dev, |
3521 | struct device_attribute *attr, | |
1da177e4 LT |
3522 | const char *buf, size_t count) |
3523 | { | |
ee959b00 | 3524 | struct Scsi_Host *shost = class_to_shost(dev); |
1da177e4 LT |
3525 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
3526 | unsigned long lock_flags; | |
3527 | int result = count; | |
3528 | ||
3529 | if (!capable(CAP_SYS_ADMIN)) | |
3530 | return -EACCES; | |
3531 | ||
3532 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3533 | if (!ioa_cfg->in_reset_reload) | |
3534 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NORMAL); | |
3535 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3536 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
3537 | ||
3538 | return result; | |
3539 | } | |
3540 | ||
ee959b00 | 3541 | static struct device_attribute ipr_ioa_reset_attr = { |
1da177e4 LT |
3542 | .attr = { |
3543 | .name = "reset_host", | |
3544 | .mode = S_IWUSR, | |
3545 | }, | |
3546 | .store = ipr_store_reset_adapter | |
3547 | }; | |
3548 | ||
3549 | /** | |
3550 | * ipr_alloc_ucode_buffer - Allocates a microcode download buffer | |
3551 | * @buf_len: buffer length | |
3552 | * | |
3553 | * Allocates a DMA'able buffer in chunks and assembles a scatter/gather | |
3554 | * list to use for microcode download | |
3555 | * | |
3556 | * Return value: | |
3557 | * pointer to sglist / NULL on failure | |
3558 | **/ | |
3559 | static struct ipr_sglist *ipr_alloc_ucode_buffer(int buf_len) | |
3560 | { | |
3561 | int sg_size, order, bsize_elem, num_elem, i, j; | |
3562 | struct ipr_sglist *sglist; | |
3563 | struct scatterlist *scatterlist; | |
3564 | struct page *page; | |
3565 | ||
3566 | /* Get the minimum size per scatter/gather element */ | |
3567 | sg_size = buf_len / (IPR_MAX_SGLIST - 1); | |
3568 | ||
3569 | /* Get the actual size per element */ | |
3570 | order = get_order(sg_size); | |
3571 | ||
3572 | /* Determine the actual number of bytes per element */ | |
3573 | bsize_elem = PAGE_SIZE * (1 << order); | |
3574 | ||
3575 | /* Determine the actual number of sg entries needed */ | |
3576 | if (buf_len % bsize_elem) | |
3577 | num_elem = (buf_len / bsize_elem) + 1; | |
3578 | else | |
3579 | num_elem = buf_len / bsize_elem; | |
3580 | ||
3581 | /* Allocate a scatter/gather list for the DMA */ | |
0bc42e35 | 3582 | sglist = kzalloc(sizeof(struct ipr_sglist) + |
1da177e4 LT |
3583 | (sizeof(struct scatterlist) * (num_elem - 1)), |
3584 | GFP_KERNEL); | |
3585 | ||
3586 | if (sglist == NULL) { | |
3587 | ipr_trace; | |
3588 | return NULL; | |
3589 | } | |
3590 | ||
1da177e4 | 3591 | scatterlist = sglist->scatterlist; |
45711f1a | 3592 | sg_init_table(scatterlist, num_elem); |
1da177e4 LT |
3593 | |
3594 | sglist->order = order; | |
3595 | sglist->num_sg = num_elem; | |
3596 | ||
3597 | /* Allocate a bunch of sg elements */ | |
3598 | for (i = 0; i < num_elem; i++) { | |
3599 | page = alloc_pages(GFP_KERNEL, order); | |
3600 | if (!page) { | |
3601 | ipr_trace; | |
3602 | ||
3603 | /* Free up what we already allocated */ | |
3604 | for (j = i - 1; j >= 0; j--) | |
45711f1a | 3605 | __free_pages(sg_page(&scatterlist[j]), order); |
1da177e4 LT |
3606 | kfree(sglist); |
3607 | return NULL; | |
3608 | } | |
3609 | ||
642f1490 | 3610 | sg_set_page(&scatterlist[i], page, 0, 0); |
1da177e4 LT |
3611 | } |
3612 | ||
3613 | return sglist; | |
3614 | } | |
3615 | ||
3616 | /** | |
3617 | * ipr_free_ucode_buffer - Frees a microcode download buffer | |
3618 | * @p_dnld: scatter/gather list pointer | |
3619 | * | |
3620 | * Free a DMA'able ucode download buffer previously allocated with | |
3621 | * ipr_alloc_ucode_buffer | |
3622 | * | |
3623 | * Return value: | |
3624 | * nothing | |
3625 | **/ | |
3626 | static void ipr_free_ucode_buffer(struct ipr_sglist *sglist) | |
3627 | { | |
3628 | int i; | |
3629 | ||
3630 | for (i = 0; i < sglist->num_sg; i++) | |
45711f1a | 3631 | __free_pages(sg_page(&sglist->scatterlist[i]), sglist->order); |
1da177e4 LT |
3632 | |
3633 | kfree(sglist); | |
3634 | } | |
3635 | ||
3636 | /** | |
3637 | * ipr_copy_ucode_buffer - Copy user buffer to kernel buffer | |
3638 | * @sglist: scatter/gather list pointer | |
3639 | * @buffer: buffer pointer | |
3640 | * @len: buffer length | |
3641 | * | |
3642 | * Copy a microcode image from a user buffer into a buffer allocated by | |
3643 | * ipr_alloc_ucode_buffer | |
3644 | * | |
3645 | * Return value: | |
3646 | * 0 on success / other on failure | |
3647 | **/ | |
3648 | static int ipr_copy_ucode_buffer(struct ipr_sglist *sglist, | |
3649 | u8 *buffer, u32 len) | |
3650 | { | |
3651 | int bsize_elem, i, result = 0; | |
3652 | struct scatterlist *scatterlist; | |
3653 | void *kaddr; | |
3654 | ||
3655 | /* Determine the actual number of bytes per element */ | |
3656 | bsize_elem = PAGE_SIZE * (1 << sglist->order); | |
3657 | ||
3658 | scatterlist = sglist->scatterlist; | |
3659 | ||
3660 | for (i = 0; i < (len / bsize_elem); i++, buffer += bsize_elem) { | |
45711f1a JA |
3661 | struct page *page = sg_page(&scatterlist[i]); |
3662 | ||
3663 | kaddr = kmap(page); | |
1da177e4 | 3664 | memcpy(kaddr, buffer, bsize_elem); |
45711f1a | 3665 | kunmap(page); |
1da177e4 LT |
3666 | |
3667 | scatterlist[i].length = bsize_elem; | |
3668 | ||
3669 | if (result != 0) { | |
3670 | ipr_trace; | |
3671 | return result; | |
3672 | } | |
3673 | } | |
3674 | ||
3675 | if (len % bsize_elem) { | |
45711f1a JA |
3676 | struct page *page = sg_page(&scatterlist[i]); |
3677 | ||
3678 | kaddr = kmap(page); | |
1da177e4 | 3679 | memcpy(kaddr, buffer, len % bsize_elem); |
45711f1a | 3680 | kunmap(page); |
1da177e4 LT |
3681 | |
3682 | scatterlist[i].length = len % bsize_elem; | |
3683 | } | |
3684 | ||
3685 | sglist->buffer_len = len; | |
3686 | return result; | |
3687 | } | |
3688 | ||
a32c055f WB |
3689 | /** |
3690 | * ipr_build_ucode_ioadl64 - Build a microcode download IOADL | |
3691 | * @ipr_cmd: ipr command struct | |
3692 | * @sglist: scatter/gather list | |
3693 | * | |
3694 | * Builds a microcode download IOA data list (IOADL). | |
3695 | * | |
3696 | **/ | |
3697 | static void ipr_build_ucode_ioadl64(struct ipr_cmnd *ipr_cmd, | |
3698 | struct ipr_sglist *sglist) | |
3699 | { | |
3700 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
3701 | struct ipr_ioadl64_desc *ioadl64 = ipr_cmd->i.ioadl64; | |
3702 | struct scatterlist *scatterlist = sglist->scatterlist; | |
3703 | int i; | |
3704 | ||
3705 | ipr_cmd->dma_use_sg = sglist->num_dma_sg; | |
3706 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ; | |
3707 | ioarcb->data_transfer_length = cpu_to_be32(sglist->buffer_len); | |
3708 | ||
3709 | ioarcb->ioadl_len = | |
3710 | cpu_to_be32(sizeof(struct ipr_ioadl64_desc) * ipr_cmd->dma_use_sg); | |
3711 | for (i = 0; i < ipr_cmd->dma_use_sg; i++) { | |
3712 | ioadl64[i].flags = cpu_to_be32(IPR_IOADL_FLAGS_WRITE); | |
3713 | ioadl64[i].data_len = cpu_to_be32(sg_dma_len(&scatterlist[i])); | |
3714 | ioadl64[i].address = cpu_to_be64(sg_dma_address(&scatterlist[i])); | |
3715 | } | |
3716 | ||
3717 | ioadl64[i-1].flags |= cpu_to_be32(IPR_IOADL_FLAGS_LAST); | |
3718 | } | |
3719 | ||
1da177e4 | 3720 | /** |
12baa420 | 3721 | * ipr_build_ucode_ioadl - Build a microcode download IOADL |
1da177e4 LT |
3722 | * @ipr_cmd: ipr command struct |
3723 | * @sglist: scatter/gather list | |
1da177e4 | 3724 | * |
12baa420 | 3725 | * Builds a microcode download IOA data list (IOADL). |
1da177e4 | 3726 | * |
1da177e4 | 3727 | **/ |
12baa420 | 3728 | static void ipr_build_ucode_ioadl(struct ipr_cmnd *ipr_cmd, |
3729 | struct ipr_sglist *sglist) | |
1da177e4 | 3730 | { |
1da177e4 | 3731 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; |
a32c055f | 3732 | struct ipr_ioadl_desc *ioadl = ipr_cmd->i.ioadl; |
1da177e4 LT |
3733 | struct scatterlist *scatterlist = sglist->scatterlist; |
3734 | int i; | |
3735 | ||
12baa420 | 3736 | ipr_cmd->dma_use_sg = sglist->num_dma_sg; |
1da177e4 | 3737 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ; |
a32c055f WB |
3738 | ioarcb->data_transfer_length = cpu_to_be32(sglist->buffer_len); |
3739 | ||
3740 | ioarcb->ioadl_len = | |
1da177e4 LT |
3741 | cpu_to_be32(sizeof(struct ipr_ioadl_desc) * ipr_cmd->dma_use_sg); |
3742 | ||
3743 | for (i = 0; i < ipr_cmd->dma_use_sg; i++) { | |
3744 | ioadl[i].flags_and_data_len = | |
3745 | cpu_to_be32(IPR_IOADL_FLAGS_WRITE | sg_dma_len(&scatterlist[i])); | |
3746 | ioadl[i].address = | |
3747 | cpu_to_be32(sg_dma_address(&scatterlist[i])); | |
3748 | } | |
3749 | ||
12baa420 | 3750 | ioadl[i-1].flags_and_data_len |= |
3751 | cpu_to_be32(IPR_IOADL_FLAGS_LAST); | |
3752 | } | |
3753 | ||
3754 | /** | |
3755 | * ipr_update_ioa_ucode - Update IOA's microcode | |
3756 | * @ioa_cfg: ioa config struct | |
3757 | * @sglist: scatter/gather list | |
3758 | * | |
3759 | * Initiate an adapter reset to update the IOA's microcode | |
3760 | * | |
3761 | * Return value: | |
3762 | * 0 on success / -EIO on failure | |
3763 | **/ | |
3764 | static int ipr_update_ioa_ucode(struct ipr_ioa_cfg *ioa_cfg, | |
3765 | struct ipr_sglist *sglist) | |
3766 | { | |
3767 | unsigned long lock_flags; | |
3768 | ||
3769 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
203fa3fe | 3770 | while (ioa_cfg->in_reset_reload) { |
970ea294 BK |
3771 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
3772 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
3773 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3774 | } | |
12baa420 | 3775 | |
3776 | if (ioa_cfg->ucode_sglist) { | |
3777 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3778 | dev_err(&ioa_cfg->pdev->dev, | |
3779 | "Microcode download already in progress\n"); | |
3780 | return -EIO; | |
1da177e4 | 3781 | } |
12baa420 | 3782 | |
3783 | sglist->num_dma_sg = pci_map_sg(ioa_cfg->pdev, sglist->scatterlist, | |
3784 | sglist->num_sg, DMA_TO_DEVICE); | |
3785 | ||
3786 | if (!sglist->num_dma_sg) { | |
3787 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3788 | dev_err(&ioa_cfg->pdev->dev, | |
3789 | "Failed to map microcode download buffer!\n"); | |
1da177e4 LT |
3790 | return -EIO; |
3791 | } | |
3792 | ||
12baa420 | 3793 | ioa_cfg->ucode_sglist = sglist; |
3794 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NORMAL); | |
3795 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3796 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
3797 | ||
3798 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3799 | ioa_cfg->ucode_sglist = NULL; | |
3800 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
1da177e4 LT |
3801 | return 0; |
3802 | } | |
3803 | ||
3804 | /** | |
3805 | * ipr_store_update_fw - Update the firmware on the adapter | |
ee959b00 TJ |
3806 | * @class_dev: device struct |
3807 | * @buf: buffer | |
3808 | * @count: buffer size | |
1da177e4 LT |
3809 | * |
3810 | * This function will update the firmware on the adapter. | |
3811 | * | |
3812 | * Return value: | |
3813 | * count on success / other on failure | |
3814 | **/ | |
ee959b00 TJ |
3815 | static ssize_t ipr_store_update_fw(struct device *dev, |
3816 | struct device_attribute *attr, | |
3817 | const char *buf, size_t count) | |
1da177e4 | 3818 | { |
ee959b00 | 3819 | struct Scsi_Host *shost = class_to_shost(dev); |
1da177e4 LT |
3820 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
3821 | struct ipr_ucode_image_header *image_hdr; | |
3822 | const struct firmware *fw_entry; | |
3823 | struct ipr_sglist *sglist; | |
1da177e4 LT |
3824 | char fname[100]; |
3825 | char *src; | |
3826 | int len, result, dnld_size; | |
3827 | ||
3828 | if (!capable(CAP_SYS_ADMIN)) | |
3829 | return -EACCES; | |
3830 | ||
3831 | len = snprintf(fname, 99, "%s", buf); | |
3832 | fname[len-1] = '\0'; | |
3833 | ||
203fa3fe | 3834 | if (request_firmware(&fw_entry, fname, &ioa_cfg->pdev->dev)) { |
1da177e4 LT |
3835 | dev_err(&ioa_cfg->pdev->dev, "Firmware file %s not found\n", fname); |
3836 | return -EIO; | |
3837 | } | |
3838 | ||
3839 | image_hdr = (struct ipr_ucode_image_header *)fw_entry->data; | |
3840 | ||
1da177e4 LT |
3841 | src = (u8 *)image_hdr + be32_to_cpu(image_hdr->header_length); |
3842 | dnld_size = fw_entry->size - be32_to_cpu(image_hdr->header_length); | |
3843 | sglist = ipr_alloc_ucode_buffer(dnld_size); | |
3844 | ||
3845 | if (!sglist) { | |
3846 | dev_err(&ioa_cfg->pdev->dev, "Microcode buffer allocation failed\n"); | |
3847 | release_firmware(fw_entry); | |
3848 | return -ENOMEM; | |
3849 | } | |
3850 | ||
3851 | result = ipr_copy_ucode_buffer(sglist, src, dnld_size); | |
3852 | ||
3853 | if (result) { | |
3854 | dev_err(&ioa_cfg->pdev->dev, | |
3855 | "Microcode buffer copy to DMA buffer failed\n"); | |
12baa420 | 3856 | goto out; |
1da177e4 LT |
3857 | } |
3858 | ||
14ed9cc7 WB |
3859 | ipr_info("Updating microcode, please be patient. This may take up to 30 minutes.\n"); |
3860 | ||
12baa420 | 3861 | result = ipr_update_ioa_ucode(ioa_cfg, sglist); |
1da177e4 | 3862 | |
12baa420 | 3863 | if (!result) |
3864 | result = count; | |
3865 | out: | |
1da177e4 LT |
3866 | ipr_free_ucode_buffer(sglist); |
3867 | release_firmware(fw_entry); | |
12baa420 | 3868 | return result; |
1da177e4 LT |
3869 | } |
3870 | ||
ee959b00 | 3871 | static struct device_attribute ipr_update_fw_attr = { |
1da177e4 LT |
3872 | .attr = { |
3873 | .name = "update_fw", | |
3874 | .mode = S_IWUSR, | |
3875 | }, | |
3876 | .store = ipr_store_update_fw | |
3877 | }; | |
3878 | ||
75576bb9 WB |
3879 | /** |
3880 | * ipr_show_fw_type - Show the adapter's firmware type. | |
3881 | * @dev: class device struct | |
3882 | * @buf: buffer | |
3883 | * | |
3884 | * Return value: | |
3885 | * number of bytes printed to buffer | |
3886 | **/ | |
3887 | static ssize_t ipr_show_fw_type(struct device *dev, | |
3888 | struct device_attribute *attr, char *buf) | |
3889 | { | |
3890 | struct Scsi_Host *shost = class_to_shost(dev); | |
3891 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; | |
3892 | unsigned long lock_flags = 0; | |
3893 | int len; | |
3894 | ||
3895 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3896 | len = snprintf(buf, PAGE_SIZE, "%d\n", ioa_cfg->sis64); | |
3897 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3898 | return len; | |
3899 | } | |
3900 | ||
3901 | static struct device_attribute ipr_ioa_fw_type_attr = { | |
3902 | .attr = { | |
3903 | .name = "fw_type", | |
3904 | .mode = S_IRUGO, | |
3905 | }, | |
3906 | .show = ipr_show_fw_type | |
3907 | }; | |
3908 | ||
ee959b00 | 3909 | static struct device_attribute *ipr_ioa_attrs[] = { |
1da177e4 LT |
3910 | &ipr_fw_version_attr, |
3911 | &ipr_log_level_attr, | |
3912 | &ipr_diagnostics_attr, | |
f37eb54b | 3913 | &ipr_ioa_state_attr, |
1da177e4 LT |
3914 | &ipr_ioa_reset_attr, |
3915 | &ipr_update_fw_attr, | |
75576bb9 | 3916 | &ipr_ioa_fw_type_attr, |
1da177e4 LT |
3917 | NULL, |
3918 | }; | |
3919 | ||
3920 | #ifdef CONFIG_SCSI_IPR_DUMP | |
3921 | /** | |
3922 | * ipr_read_dump - Dump the adapter | |
2c3c8bea | 3923 | * @filp: open sysfs file |
1da177e4 | 3924 | * @kobj: kobject struct |
91a69029 | 3925 | * @bin_attr: bin_attribute struct |
1da177e4 LT |
3926 | * @buf: buffer |
3927 | * @off: offset | |
3928 | * @count: buffer size | |
3929 | * | |
3930 | * Return value: | |
3931 | * number of bytes printed to buffer | |
3932 | **/ | |
2c3c8bea | 3933 | static ssize_t ipr_read_dump(struct file *filp, struct kobject *kobj, |
91a69029 ZR |
3934 | struct bin_attribute *bin_attr, |
3935 | char *buf, loff_t off, size_t count) | |
1da177e4 | 3936 | { |
ee959b00 | 3937 | struct device *cdev = container_of(kobj, struct device, kobj); |
1da177e4 LT |
3938 | struct Scsi_Host *shost = class_to_shost(cdev); |
3939 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; | |
3940 | struct ipr_dump *dump; | |
3941 | unsigned long lock_flags = 0; | |
3942 | char *src; | |
4d4dd706 | 3943 | int len, sdt_end; |
1da177e4 LT |
3944 | size_t rc = count; |
3945 | ||
3946 | if (!capable(CAP_SYS_ADMIN)) | |
3947 | return -EACCES; | |
3948 | ||
3949 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3950 | dump = ioa_cfg->dump; | |
3951 | ||
3952 | if (ioa_cfg->sdt_state != DUMP_OBTAINED || !dump) { | |
3953 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3954 | return 0; | |
3955 | } | |
3956 | kref_get(&dump->kref); | |
3957 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3958 | ||
3959 | if (off > dump->driver_dump.hdr.len) { | |
3960 | kref_put(&dump->kref, ipr_release_dump); | |
3961 | return 0; | |
3962 | } | |
3963 | ||
3964 | if (off + count > dump->driver_dump.hdr.len) { | |
3965 | count = dump->driver_dump.hdr.len - off; | |
3966 | rc = count; | |
3967 | } | |
3968 | ||
3969 | if (count && off < sizeof(dump->driver_dump)) { | |
3970 | if (off + count > sizeof(dump->driver_dump)) | |
3971 | len = sizeof(dump->driver_dump) - off; | |
3972 | else | |
3973 | len = count; | |
3974 | src = (u8 *)&dump->driver_dump + off; | |
3975 | memcpy(buf, src, len); | |
3976 | buf += len; | |
3977 | off += len; | |
3978 | count -= len; | |
3979 | } | |
3980 | ||
3981 | off -= sizeof(dump->driver_dump); | |
3982 | ||
4d4dd706 KSS |
3983 | if (ioa_cfg->sis64) |
3984 | sdt_end = offsetof(struct ipr_ioa_dump, sdt.entry) + | |
3985 | (be32_to_cpu(dump->ioa_dump.sdt.hdr.num_entries_used) * | |
3986 | sizeof(struct ipr_sdt_entry)); | |
3987 | else | |
3988 | sdt_end = offsetof(struct ipr_ioa_dump, sdt.entry) + | |
3989 | (IPR_FMT2_NUM_SDT_ENTRIES * sizeof(struct ipr_sdt_entry)); | |
3990 | ||
3991 | if (count && off < sdt_end) { | |
3992 | if (off + count > sdt_end) | |
3993 | len = sdt_end - off; | |
1da177e4 LT |
3994 | else |
3995 | len = count; | |
3996 | src = (u8 *)&dump->ioa_dump + off; | |
3997 | memcpy(buf, src, len); | |
3998 | buf += len; | |
3999 | off += len; | |
4000 | count -= len; | |
4001 | } | |
4002 | ||
4d4dd706 | 4003 | off -= sdt_end; |
1da177e4 LT |
4004 | |
4005 | while (count) { | |
4006 | if ((off & PAGE_MASK) != ((off + count) & PAGE_MASK)) | |
4007 | len = PAGE_ALIGN(off) - off; | |
4008 | else | |
4009 | len = count; | |
4010 | src = (u8 *)dump->ioa_dump.ioa_data[(off & PAGE_MASK) >> PAGE_SHIFT]; | |
4011 | src += off & ~PAGE_MASK; | |
4012 | memcpy(buf, src, len); | |
4013 | buf += len; | |
4014 | off += len; | |
4015 | count -= len; | |
4016 | } | |
4017 | ||
4018 | kref_put(&dump->kref, ipr_release_dump); | |
4019 | return rc; | |
4020 | } | |
4021 | ||
4022 | /** | |
4023 | * ipr_alloc_dump - Prepare for adapter dump | |
4024 | * @ioa_cfg: ioa config struct | |
4025 | * | |
4026 | * Return value: | |
4027 | * 0 on success / other on failure | |
4028 | **/ | |
4029 | static int ipr_alloc_dump(struct ipr_ioa_cfg *ioa_cfg) | |
4030 | { | |
4031 | struct ipr_dump *dump; | |
4d4dd706 | 4032 | __be32 **ioa_data; |
1da177e4 LT |
4033 | unsigned long lock_flags = 0; |
4034 | ||
0bc42e35 | 4035 | dump = kzalloc(sizeof(struct ipr_dump), GFP_KERNEL); |
1da177e4 LT |
4036 | |
4037 | if (!dump) { | |
4038 | ipr_err("Dump memory allocation failed\n"); | |
4039 | return -ENOMEM; | |
4040 | } | |
4041 | ||
4d4dd706 KSS |
4042 | if (ioa_cfg->sis64) |
4043 | ioa_data = vmalloc(IPR_FMT3_MAX_NUM_DUMP_PAGES * sizeof(__be32 *)); | |
4044 | else | |
4045 | ioa_data = vmalloc(IPR_FMT2_MAX_NUM_DUMP_PAGES * sizeof(__be32 *)); | |
4046 | ||
4047 | if (!ioa_data) { | |
4048 | ipr_err("Dump memory allocation failed\n"); | |
4049 | kfree(dump); | |
4050 | return -ENOMEM; | |
4051 | } | |
4052 | ||
4053 | dump->ioa_dump.ioa_data = ioa_data; | |
4054 | ||
1da177e4 LT |
4055 | kref_init(&dump->kref); |
4056 | dump->ioa_cfg = ioa_cfg; | |
4057 | ||
4058 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4059 | ||
4060 | if (INACTIVE != ioa_cfg->sdt_state) { | |
4061 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4d4dd706 | 4062 | vfree(dump->ioa_dump.ioa_data); |
1da177e4 LT |
4063 | kfree(dump); |
4064 | return 0; | |
4065 | } | |
4066 | ||
4067 | ioa_cfg->dump = dump; | |
4068 | ioa_cfg->sdt_state = WAIT_FOR_DUMP; | |
4069 | if (ioa_cfg->ioa_is_dead && !ioa_cfg->dump_taken) { | |
4070 | ioa_cfg->dump_taken = 1; | |
4071 | schedule_work(&ioa_cfg->work_q); | |
4072 | } | |
4073 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4074 | ||
1da177e4 LT |
4075 | return 0; |
4076 | } | |
4077 | ||
4078 | /** | |
4079 | * ipr_free_dump - Free adapter dump memory | |
4080 | * @ioa_cfg: ioa config struct | |
4081 | * | |
4082 | * Return value: | |
4083 | * 0 on success / other on failure | |
4084 | **/ | |
4085 | static int ipr_free_dump(struct ipr_ioa_cfg *ioa_cfg) | |
4086 | { | |
4087 | struct ipr_dump *dump; | |
4088 | unsigned long lock_flags = 0; | |
4089 | ||
4090 | ENTER; | |
4091 | ||
4092 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4093 | dump = ioa_cfg->dump; | |
4094 | if (!dump) { | |
4095 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4096 | return 0; | |
4097 | } | |
4098 | ||
4099 | ioa_cfg->dump = NULL; | |
4100 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4101 | ||
4102 | kref_put(&dump->kref, ipr_release_dump); | |
4103 | ||
4104 | LEAVE; | |
4105 | return 0; | |
4106 | } | |
4107 | ||
4108 | /** | |
4109 | * ipr_write_dump - Setup dump state of adapter | |
2c3c8bea | 4110 | * @filp: open sysfs file |
1da177e4 | 4111 | * @kobj: kobject struct |
91a69029 | 4112 | * @bin_attr: bin_attribute struct |
1da177e4 LT |
4113 | * @buf: buffer |
4114 | * @off: offset | |
4115 | * @count: buffer size | |
4116 | * | |
4117 | * Return value: | |
4118 | * number of bytes printed to buffer | |
4119 | **/ | |
2c3c8bea | 4120 | static ssize_t ipr_write_dump(struct file *filp, struct kobject *kobj, |
91a69029 ZR |
4121 | struct bin_attribute *bin_attr, |
4122 | char *buf, loff_t off, size_t count) | |
1da177e4 | 4123 | { |
ee959b00 | 4124 | struct device *cdev = container_of(kobj, struct device, kobj); |
1da177e4 LT |
4125 | struct Scsi_Host *shost = class_to_shost(cdev); |
4126 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; | |
4127 | int rc; | |
4128 | ||
4129 | if (!capable(CAP_SYS_ADMIN)) | |
4130 | return -EACCES; | |
4131 | ||
4132 | if (buf[0] == '1') | |
4133 | rc = ipr_alloc_dump(ioa_cfg); | |
4134 | else if (buf[0] == '0') | |
4135 | rc = ipr_free_dump(ioa_cfg); | |
4136 | else | |
4137 | return -EINVAL; | |
4138 | ||
4139 | if (rc) | |
4140 | return rc; | |
4141 | else | |
4142 | return count; | |
4143 | } | |
4144 | ||
4145 | static struct bin_attribute ipr_dump_attr = { | |
4146 | .attr = { | |
4147 | .name = "dump", | |
4148 | .mode = S_IRUSR | S_IWUSR, | |
4149 | }, | |
4150 | .size = 0, | |
4151 | .read = ipr_read_dump, | |
4152 | .write = ipr_write_dump | |
4153 | }; | |
4154 | #else | |
4155 | static int ipr_free_dump(struct ipr_ioa_cfg *ioa_cfg) { return 0; }; | |
4156 | #endif | |
4157 | ||
4158 | /** | |
4159 | * ipr_change_queue_depth - Change the device's queue depth | |
4160 | * @sdev: scsi device struct | |
4161 | * @qdepth: depth to set | |
e881a172 | 4162 | * @reason: calling context |
1da177e4 LT |
4163 | * |
4164 | * Return value: | |
4165 | * actual depth set | |
4166 | **/ | |
e881a172 MC |
4167 | static int ipr_change_queue_depth(struct scsi_device *sdev, int qdepth, |
4168 | int reason) | |
1da177e4 | 4169 | { |
35a39691 BK |
4170 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)sdev->host->hostdata; |
4171 | struct ipr_resource_entry *res; | |
4172 | unsigned long lock_flags = 0; | |
4173 | ||
e881a172 MC |
4174 | if (reason != SCSI_QDEPTH_DEFAULT) |
4175 | return -EOPNOTSUPP; | |
4176 | ||
35a39691 BK |
4177 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); |
4178 | res = (struct ipr_resource_entry *)sdev->hostdata; | |
4179 | ||
4180 | if (res && ipr_is_gata(res) && qdepth > IPR_MAX_CMD_PER_ATA_LUN) | |
4181 | qdepth = IPR_MAX_CMD_PER_ATA_LUN; | |
4182 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4183 | ||
1da177e4 LT |
4184 | scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth); |
4185 | return sdev->queue_depth; | |
4186 | } | |
4187 | ||
4188 | /** | |
4189 | * ipr_change_queue_type - Change the device's queue type | |
4190 | * @dsev: scsi device struct | |
4191 | * @tag_type: type of tags to use | |
4192 | * | |
4193 | * Return value: | |
4194 | * actual queue type set | |
4195 | **/ | |
4196 | static int ipr_change_queue_type(struct scsi_device *sdev, int tag_type) | |
4197 | { | |
4198 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)sdev->host->hostdata; | |
4199 | struct ipr_resource_entry *res; | |
4200 | unsigned long lock_flags = 0; | |
4201 | ||
4202 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4203 | res = (struct ipr_resource_entry *)sdev->hostdata; | |
4204 | ||
4205 | if (res) { | |
4206 | if (ipr_is_gscsi(res) && sdev->tagged_supported) { | |
4207 | /* | |
4208 | * We don't bother quiescing the device here since the | |
4209 | * adapter firmware does it for us. | |
4210 | */ | |
4211 | scsi_set_tag_type(sdev, tag_type); | |
4212 | ||
4213 | if (tag_type) | |
4214 | scsi_activate_tcq(sdev, sdev->queue_depth); | |
4215 | else | |
4216 | scsi_deactivate_tcq(sdev, sdev->queue_depth); | |
4217 | } else | |
4218 | tag_type = 0; | |
4219 | } else | |
4220 | tag_type = 0; | |
4221 | ||
4222 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4223 | return tag_type; | |
4224 | } | |
4225 | ||
4226 | /** | |
4227 | * ipr_show_adapter_handle - Show the adapter's resource handle for this device | |
4228 | * @dev: device struct | |
46d74563 | 4229 | * @attr: device attribute structure |
1da177e4 LT |
4230 | * @buf: buffer |
4231 | * | |
4232 | * Return value: | |
4233 | * number of bytes printed to buffer | |
4234 | **/ | |
10523b3b | 4235 | static ssize_t ipr_show_adapter_handle(struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 LT |
4236 | { |
4237 | struct scsi_device *sdev = to_scsi_device(dev); | |
4238 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)sdev->host->hostdata; | |
4239 | struct ipr_resource_entry *res; | |
4240 | unsigned long lock_flags = 0; | |
4241 | ssize_t len = -ENXIO; | |
4242 | ||
4243 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4244 | res = (struct ipr_resource_entry *)sdev->hostdata; | |
4245 | if (res) | |
3e7ebdfa | 4246 | len = snprintf(buf, PAGE_SIZE, "%08X\n", res->res_handle); |
1da177e4 LT |
4247 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
4248 | return len; | |
4249 | } | |
4250 | ||
4251 | static struct device_attribute ipr_adapter_handle_attr = { | |
4252 | .attr = { | |
4253 | .name = "adapter_handle", | |
4254 | .mode = S_IRUSR, | |
4255 | }, | |
4256 | .show = ipr_show_adapter_handle | |
4257 | }; | |
4258 | ||
3e7ebdfa | 4259 | /** |
5adcbeb3 WB |
4260 | * ipr_show_resource_path - Show the resource path or the resource address for |
4261 | * this device. | |
3e7ebdfa | 4262 | * @dev: device struct |
46d74563 | 4263 | * @attr: device attribute structure |
3e7ebdfa WB |
4264 | * @buf: buffer |
4265 | * | |
4266 | * Return value: | |
4267 | * number of bytes printed to buffer | |
4268 | **/ | |
4269 | static ssize_t ipr_show_resource_path(struct device *dev, struct device_attribute *attr, char *buf) | |
4270 | { | |
4271 | struct scsi_device *sdev = to_scsi_device(dev); | |
4272 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)sdev->host->hostdata; | |
4273 | struct ipr_resource_entry *res; | |
4274 | unsigned long lock_flags = 0; | |
4275 | ssize_t len = -ENXIO; | |
4276 | char buffer[IPR_MAX_RES_PATH_LENGTH]; | |
4277 | ||
4278 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4279 | res = (struct ipr_resource_entry *)sdev->hostdata; | |
5adcbeb3 | 4280 | if (res && ioa_cfg->sis64) |
3e7ebdfa | 4281 | len = snprintf(buf, PAGE_SIZE, "%s\n", |
b3b3b407 BK |
4282 | __ipr_format_res_path(res->res_path, buffer, |
4283 | sizeof(buffer))); | |
5adcbeb3 WB |
4284 | else if (res) |
4285 | len = snprintf(buf, PAGE_SIZE, "%d:%d:%d:%d\n", ioa_cfg->host->host_no, | |
4286 | res->bus, res->target, res->lun); | |
4287 | ||
3e7ebdfa WB |
4288 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
4289 | return len; | |
4290 | } | |
4291 | ||
4292 | static struct device_attribute ipr_resource_path_attr = { | |
4293 | .attr = { | |
4294 | .name = "resource_path", | |
75576bb9 | 4295 | .mode = S_IRUGO, |
3e7ebdfa WB |
4296 | }, |
4297 | .show = ipr_show_resource_path | |
4298 | }; | |
4299 | ||
46d74563 WB |
4300 | /** |
4301 | * ipr_show_device_id - Show the device_id for this device. | |
4302 | * @dev: device struct | |
4303 | * @attr: device attribute structure | |
4304 | * @buf: buffer | |
4305 | * | |
4306 | * Return value: | |
4307 | * number of bytes printed to buffer | |
4308 | **/ | |
4309 | static ssize_t ipr_show_device_id(struct device *dev, struct device_attribute *attr, char *buf) | |
4310 | { | |
4311 | struct scsi_device *sdev = to_scsi_device(dev); | |
4312 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)sdev->host->hostdata; | |
4313 | struct ipr_resource_entry *res; | |
4314 | unsigned long lock_flags = 0; | |
4315 | ssize_t len = -ENXIO; | |
4316 | ||
4317 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4318 | res = (struct ipr_resource_entry *)sdev->hostdata; | |
4319 | if (res && ioa_cfg->sis64) | |
4320 | len = snprintf(buf, PAGE_SIZE, "0x%llx\n", res->dev_id); | |
4321 | else if (res) | |
4322 | len = snprintf(buf, PAGE_SIZE, "0x%llx\n", res->lun_wwn); | |
4323 | ||
4324 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4325 | return len; | |
4326 | } | |
4327 | ||
4328 | static struct device_attribute ipr_device_id_attr = { | |
4329 | .attr = { | |
4330 | .name = "device_id", | |
4331 | .mode = S_IRUGO, | |
4332 | }, | |
4333 | .show = ipr_show_device_id | |
4334 | }; | |
4335 | ||
75576bb9 WB |
4336 | /** |
4337 | * ipr_show_resource_type - Show the resource type for this device. | |
4338 | * @dev: device struct | |
46d74563 | 4339 | * @attr: device attribute structure |
75576bb9 WB |
4340 | * @buf: buffer |
4341 | * | |
4342 | * Return value: | |
4343 | * number of bytes printed to buffer | |
4344 | **/ | |
4345 | static ssize_t ipr_show_resource_type(struct device *dev, struct device_attribute *attr, char *buf) | |
4346 | { | |
4347 | struct scsi_device *sdev = to_scsi_device(dev); | |
4348 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)sdev->host->hostdata; | |
4349 | struct ipr_resource_entry *res; | |
4350 | unsigned long lock_flags = 0; | |
4351 | ssize_t len = -ENXIO; | |
4352 | ||
4353 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4354 | res = (struct ipr_resource_entry *)sdev->hostdata; | |
4355 | ||
4356 | if (res) | |
4357 | len = snprintf(buf, PAGE_SIZE, "%x\n", res->type); | |
4358 | ||
4359 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4360 | return len; | |
4361 | } | |
4362 | ||
4363 | static struct device_attribute ipr_resource_type_attr = { | |
4364 | .attr = { | |
4365 | .name = "resource_type", | |
4366 | .mode = S_IRUGO, | |
4367 | }, | |
4368 | .show = ipr_show_resource_type | |
4369 | }; | |
4370 | ||
1da177e4 LT |
4371 | static struct device_attribute *ipr_dev_attrs[] = { |
4372 | &ipr_adapter_handle_attr, | |
3e7ebdfa | 4373 | &ipr_resource_path_attr, |
46d74563 | 4374 | &ipr_device_id_attr, |
75576bb9 | 4375 | &ipr_resource_type_attr, |
1da177e4 LT |
4376 | NULL, |
4377 | }; | |
4378 | ||
4379 | /** | |
4380 | * ipr_biosparam - Return the HSC mapping | |
4381 | * @sdev: scsi device struct | |
4382 | * @block_device: block device pointer | |
4383 | * @capacity: capacity of the device | |
4384 | * @parm: Array containing returned HSC values. | |
4385 | * | |
4386 | * This function generates the HSC parms that fdisk uses. | |
4387 | * We want to make sure we return something that places partitions | |
4388 | * on 4k boundaries for best performance with the IOA. | |
4389 | * | |
4390 | * Return value: | |
4391 | * 0 on success | |
4392 | **/ | |
4393 | static int ipr_biosparam(struct scsi_device *sdev, | |
4394 | struct block_device *block_device, | |
4395 | sector_t capacity, int *parm) | |
4396 | { | |
4397 | int heads, sectors; | |
4398 | sector_t cylinders; | |
4399 | ||
4400 | heads = 128; | |
4401 | sectors = 32; | |
4402 | ||
4403 | cylinders = capacity; | |
4404 | sector_div(cylinders, (128 * 32)); | |
4405 | ||
4406 | /* return result */ | |
4407 | parm[0] = heads; | |
4408 | parm[1] = sectors; | |
4409 | parm[2] = cylinders; | |
4410 | ||
4411 | return 0; | |
4412 | } | |
4413 | ||
35a39691 BK |
4414 | /** |
4415 | * ipr_find_starget - Find target based on bus/target. | |
4416 | * @starget: scsi target struct | |
4417 | * | |
4418 | * Return value: | |
4419 | * resource entry pointer if found / NULL if not found | |
4420 | **/ | |
4421 | static struct ipr_resource_entry *ipr_find_starget(struct scsi_target *starget) | |
4422 | { | |
4423 | struct Scsi_Host *shost = dev_to_shost(&starget->dev); | |
4424 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *) shost->hostdata; | |
4425 | struct ipr_resource_entry *res; | |
4426 | ||
4427 | list_for_each_entry(res, &ioa_cfg->used_res_q, queue) { | |
3e7ebdfa | 4428 | if ((res->bus == starget->channel) && |
0ee1d714 | 4429 | (res->target == starget->id)) { |
35a39691 BK |
4430 | return res; |
4431 | } | |
4432 | } | |
4433 | ||
4434 | return NULL; | |
4435 | } | |
4436 | ||
4437 | static struct ata_port_info sata_port_info; | |
4438 | ||
4439 | /** | |
4440 | * ipr_target_alloc - Prepare for commands to a SCSI target | |
4441 | * @starget: scsi target struct | |
4442 | * | |
4443 | * If the device is a SATA device, this function allocates an | |
4444 | * ATA port with libata, else it does nothing. | |
4445 | * | |
4446 | * Return value: | |
4447 | * 0 on success / non-0 on failure | |
4448 | **/ | |
4449 | static int ipr_target_alloc(struct scsi_target *starget) | |
4450 | { | |
4451 | struct Scsi_Host *shost = dev_to_shost(&starget->dev); | |
4452 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *) shost->hostdata; | |
4453 | struct ipr_sata_port *sata_port; | |
4454 | struct ata_port *ap; | |
4455 | struct ipr_resource_entry *res; | |
4456 | unsigned long lock_flags; | |
4457 | ||
4458 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4459 | res = ipr_find_starget(starget); | |
4460 | starget->hostdata = NULL; | |
4461 | ||
4462 | if (res && ipr_is_gata(res)) { | |
4463 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4464 | sata_port = kzalloc(sizeof(*sata_port), GFP_KERNEL); | |
4465 | if (!sata_port) | |
4466 | return -ENOMEM; | |
4467 | ||
4468 | ap = ata_sas_port_alloc(&ioa_cfg->ata_host, &sata_port_info, shost); | |
4469 | if (ap) { | |
4470 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4471 | sata_port->ioa_cfg = ioa_cfg; | |
4472 | sata_port->ap = ap; | |
4473 | sata_port->res = res; | |
4474 | ||
4475 | res->sata_port = sata_port; | |
4476 | ap->private_data = sata_port; | |
4477 | starget->hostdata = sata_port; | |
4478 | } else { | |
4479 | kfree(sata_port); | |
4480 | return -ENOMEM; | |
4481 | } | |
4482 | } | |
4483 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4484 | ||
4485 | return 0; | |
4486 | } | |
4487 | ||
4488 | /** | |
4489 | * ipr_target_destroy - Destroy a SCSI target | |
4490 | * @starget: scsi target struct | |
4491 | * | |
4492 | * If the device was a SATA device, this function frees the libata | |
4493 | * ATA port, else it does nothing. | |
4494 | * | |
4495 | **/ | |
4496 | static void ipr_target_destroy(struct scsi_target *starget) | |
4497 | { | |
4498 | struct ipr_sata_port *sata_port = starget->hostdata; | |
3e7ebdfa WB |
4499 | struct Scsi_Host *shost = dev_to_shost(&starget->dev); |
4500 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *) shost->hostdata; | |
4501 | ||
4502 | if (ioa_cfg->sis64) { | |
0ee1d714 BK |
4503 | if (!ipr_find_starget(starget)) { |
4504 | if (starget->channel == IPR_ARRAY_VIRTUAL_BUS) | |
4505 | clear_bit(starget->id, ioa_cfg->array_ids); | |
4506 | else if (starget->channel == IPR_VSET_VIRTUAL_BUS) | |
4507 | clear_bit(starget->id, ioa_cfg->vset_ids); | |
4508 | else if (starget->channel == 0) | |
4509 | clear_bit(starget->id, ioa_cfg->target_ids); | |
4510 | } | |
3e7ebdfa | 4511 | } |
35a39691 BK |
4512 | |
4513 | if (sata_port) { | |
4514 | starget->hostdata = NULL; | |
4515 | ata_sas_port_destroy(sata_port->ap); | |
4516 | kfree(sata_port); | |
4517 | } | |
4518 | } | |
4519 | ||
4520 | /** | |
4521 | * ipr_find_sdev - Find device based on bus/target/lun. | |
4522 | * @sdev: scsi device struct | |
4523 | * | |
4524 | * Return value: | |
4525 | * resource entry pointer if found / NULL if not found | |
4526 | **/ | |
4527 | static struct ipr_resource_entry *ipr_find_sdev(struct scsi_device *sdev) | |
4528 | { | |
4529 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *) sdev->host->hostdata; | |
4530 | struct ipr_resource_entry *res; | |
4531 | ||
4532 | list_for_each_entry(res, &ioa_cfg->used_res_q, queue) { | |
3e7ebdfa WB |
4533 | if ((res->bus == sdev->channel) && |
4534 | (res->target == sdev->id) && | |
4535 | (res->lun == sdev->lun)) | |
35a39691 BK |
4536 | return res; |
4537 | } | |
4538 | ||
4539 | return NULL; | |
4540 | } | |
4541 | ||
1da177e4 LT |
4542 | /** |
4543 | * ipr_slave_destroy - Unconfigure a SCSI device | |
4544 | * @sdev: scsi device struct | |
4545 | * | |
4546 | * Return value: | |
4547 | * nothing | |
4548 | **/ | |
4549 | static void ipr_slave_destroy(struct scsi_device *sdev) | |
4550 | { | |
4551 | struct ipr_resource_entry *res; | |
4552 | struct ipr_ioa_cfg *ioa_cfg; | |
4553 | unsigned long lock_flags = 0; | |
4554 | ||
4555 | ioa_cfg = (struct ipr_ioa_cfg *) sdev->host->hostdata; | |
4556 | ||
4557 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4558 | res = (struct ipr_resource_entry *) sdev->hostdata; | |
4559 | if (res) { | |
35a39691 | 4560 | if (res->sata_port) |
3e4ec344 | 4561 | res->sata_port->ap->link.device[0].class = ATA_DEV_NONE; |
1da177e4 LT |
4562 | sdev->hostdata = NULL; |
4563 | res->sdev = NULL; | |
35a39691 | 4564 | res->sata_port = NULL; |
1da177e4 LT |
4565 | } |
4566 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4567 | } | |
4568 | ||
4569 | /** | |
4570 | * ipr_slave_configure - Configure a SCSI device | |
4571 | * @sdev: scsi device struct | |
4572 | * | |
4573 | * This function configures the specified scsi device. | |
4574 | * | |
4575 | * Return value: | |
4576 | * 0 on success | |
4577 | **/ | |
4578 | static int ipr_slave_configure(struct scsi_device *sdev) | |
4579 | { | |
4580 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *) sdev->host->hostdata; | |
4581 | struct ipr_resource_entry *res; | |
dd406ef8 | 4582 | struct ata_port *ap = NULL; |
1da177e4 | 4583 | unsigned long lock_flags = 0; |
3e7ebdfa | 4584 | char buffer[IPR_MAX_RES_PATH_LENGTH]; |
1da177e4 LT |
4585 | |
4586 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4587 | res = sdev->hostdata; | |
4588 | if (res) { | |
4589 | if (ipr_is_af_dasd_device(res)) | |
4590 | sdev->type = TYPE_RAID; | |
0726ce26 | 4591 | if (ipr_is_af_dasd_device(res) || ipr_is_ioa_resource(res)) { |
1da177e4 | 4592 | sdev->scsi_level = 4; |
0726ce26 | 4593 | sdev->no_uld_attach = 1; |
4594 | } | |
1da177e4 | 4595 | if (ipr_is_vset_device(res)) { |
242f9dcb JA |
4596 | blk_queue_rq_timeout(sdev->request_queue, |
4597 | IPR_VSET_RW_TIMEOUT); | |
086fa5ff | 4598 | blk_queue_max_hw_sectors(sdev->request_queue, IPR_VSET_MAX_SECTORS); |
1da177e4 | 4599 | } |
dd406ef8 BK |
4600 | if (ipr_is_gata(res) && res->sata_port) |
4601 | ap = res->sata_port->ap; | |
4602 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4603 | ||
4604 | if (ap) { | |
35a39691 | 4605 | scsi_adjust_queue_depth(sdev, 0, IPR_MAX_CMD_PER_ATA_LUN); |
dd406ef8 BK |
4606 | ata_sas_slave_configure(sdev, ap); |
4607 | } else | |
35a39691 | 4608 | scsi_adjust_queue_depth(sdev, 0, sdev->host->cmd_per_lun); |
3e7ebdfa WB |
4609 | if (ioa_cfg->sis64) |
4610 | sdev_printk(KERN_INFO, sdev, "Resource path: %s\n", | |
b3b3b407 BK |
4611 | ipr_format_res_path(ioa_cfg, |
4612 | res->res_path, buffer, sizeof(buffer))); | |
dd406ef8 | 4613 | return 0; |
1da177e4 LT |
4614 | } |
4615 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4616 | return 0; | |
4617 | } | |
4618 | ||
35a39691 BK |
4619 | /** |
4620 | * ipr_ata_slave_alloc - Prepare for commands to a SATA device | |
4621 | * @sdev: scsi device struct | |
4622 | * | |
4623 | * This function initializes an ATA port so that future commands | |
4624 | * sent through queuecommand will work. | |
4625 | * | |
4626 | * Return value: | |
4627 | * 0 on success | |
4628 | **/ | |
4629 | static int ipr_ata_slave_alloc(struct scsi_device *sdev) | |
4630 | { | |
4631 | struct ipr_sata_port *sata_port = NULL; | |
4632 | int rc = -ENXIO; | |
4633 | ||
4634 | ENTER; | |
4635 | if (sdev->sdev_target) | |
4636 | sata_port = sdev->sdev_target->hostdata; | |
b2024459 | 4637 | if (sata_port) { |
35a39691 | 4638 | rc = ata_sas_port_init(sata_port->ap); |
b2024459 DW |
4639 | if (rc == 0) |
4640 | rc = ata_sas_sync_probe(sata_port->ap); | |
4641 | } | |
4642 | ||
35a39691 BK |
4643 | if (rc) |
4644 | ipr_slave_destroy(sdev); | |
4645 | ||
4646 | LEAVE; | |
4647 | return rc; | |
4648 | } | |
4649 | ||
1da177e4 LT |
4650 | /** |
4651 | * ipr_slave_alloc - Prepare for commands to a device. | |
4652 | * @sdev: scsi device struct | |
4653 | * | |
4654 | * This function saves a pointer to the resource entry | |
4655 | * in the scsi device struct if the device exists. We | |
4656 | * can then use this pointer in ipr_queuecommand when | |
4657 | * handling new commands. | |
4658 | * | |
4659 | * Return value: | |
692aebfc | 4660 | * 0 on success / -ENXIO if device does not exist |
1da177e4 LT |
4661 | **/ |
4662 | static int ipr_slave_alloc(struct scsi_device *sdev) | |
4663 | { | |
4664 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *) sdev->host->hostdata; | |
4665 | struct ipr_resource_entry *res; | |
4666 | unsigned long lock_flags; | |
692aebfc | 4667 | int rc = -ENXIO; |
1da177e4 LT |
4668 | |
4669 | sdev->hostdata = NULL; | |
4670 | ||
4671 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4672 | ||
35a39691 BK |
4673 | res = ipr_find_sdev(sdev); |
4674 | if (res) { | |
4675 | res->sdev = sdev; | |
4676 | res->add_to_ml = 0; | |
4677 | res->in_erp = 0; | |
4678 | sdev->hostdata = res; | |
4679 | if (!ipr_is_naca_model(res)) | |
4680 | res->needs_sync_complete = 1; | |
4681 | rc = 0; | |
4682 | if (ipr_is_gata(res)) { | |
4683 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4684 | return ipr_ata_slave_alloc(sdev); | |
1da177e4 LT |
4685 | } |
4686 | } | |
4687 | ||
4688 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4689 | ||
692aebfc | 4690 | return rc; |
1da177e4 LT |
4691 | } |
4692 | ||
4693 | /** | |
4694 | * ipr_eh_host_reset - Reset the host adapter | |
4695 | * @scsi_cmd: scsi command struct | |
4696 | * | |
4697 | * Return value: | |
4698 | * SUCCESS / FAILED | |
4699 | **/ | |
203fa3fe | 4700 | static int __ipr_eh_host_reset(struct scsi_cmnd *scsi_cmd) |
1da177e4 LT |
4701 | { |
4702 | struct ipr_ioa_cfg *ioa_cfg; | |
4703 | int rc; | |
4704 | ||
4705 | ENTER; | |
4706 | ioa_cfg = (struct ipr_ioa_cfg *) scsi_cmd->device->host->hostdata; | |
4707 | ||
a92fa25c KSS |
4708 | if (!ioa_cfg->in_reset_reload) { |
4709 | dev_err(&ioa_cfg->pdev->dev, | |
4710 | "Adapter being reset as a result of error recovery.\n"); | |
1da177e4 | 4711 | |
a92fa25c KSS |
4712 | if (WAIT_FOR_DUMP == ioa_cfg->sdt_state) |
4713 | ioa_cfg->sdt_state = GET_DUMP; | |
4714 | } | |
1da177e4 LT |
4715 | |
4716 | rc = ipr_reset_reload(ioa_cfg, IPR_SHUTDOWN_ABBREV); | |
4717 | ||
4718 | LEAVE; | |
4719 | return rc; | |
4720 | } | |
4721 | ||
203fa3fe | 4722 | static int ipr_eh_host_reset(struct scsi_cmnd *cmd) |
df0ae249 JG |
4723 | { |
4724 | int rc; | |
4725 | ||
4726 | spin_lock_irq(cmd->device->host->host_lock); | |
4727 | rc = __ipr_eh_host_reset(cmd); | |
4728 | spin_unlock_irq(cmd->device->host->host_lock); | |
4729 | ||
4730 | return rc; | |
4731 | } | |
4732 | ||
c6513096 BK |
4733 | /** |
4734 | * ipr_device_reset - Reset the device | |
4735 | * @ioa_cfg: ioa config struct | |
4736 | * @res: resource entry struct | |
4737 | * | |
4738 | * This function issues a device reset to the affected device. | |
4739 | * If the device is a SCSI device, a LUN reset will be sent | |
4740 | * to the device first. If that does not work, a target reset | |
35a39691 BK |
4741 | * will be sent. If the device is a SATA device, a PHY reset will |
4742 | * be sent. | |
c6513096 BK |
4743 | * |
4744 | * Return value: | |
4745 | * 0 on success / non-zero on failure | |
4746 | **/ | |
4747 | static int ipr_device_reset(struct ipr_ioa_cfg *ioa_cfg, | |
4748 | struct ipr_resource_entry *res) | |
4749 | { | |
4750 | struct ipr_cmnd *ipr_cmd; | |
4751 | struct ipr_ioarcb *ioarcb; | |
4752 | struct ipr_cmd_pkt *cmd_pkt; | |
35a39691 | 4753 | struct ipr_ioarcb_ata_regs *regs; |
c6513096 BK |
4754 | u32 ioasc; |
4755 | ||
4756 | ENTER; | |
4757 | ipr_cmd = ipr_get_free_ipr_cmnd(ioa_cfg); | |
4758 | ioarcb = &ipr_cmd->ioarcb; | |
4759 | cmd_pkt = &ioarcb->cmd_pkt; | |
a32c055f WB |
4760 | |
4761 | if (ipr_cmd->ioa_cfg->sis64) { | |
4762 | regs = &ipr_cmd->i.ata_ioadl.regs; | |
4763 | ioarcb->add_cmd_parms_offset = cpu_to_be16(sizeof(*ioarcb)); | |
4764 | } else | |
4765 | regs = &ioarcb->u.add_data.u.regs; | |
c6513096 | 4766 | |
3e7ebdfa | 4767 | ioarcb->res_handle = res->res_handle; |
c6513096 BK |
4768 | cmd_pkt->request_type = IPR_RQTYPE_IOACMD; |
4769 | cmd_pkt->cdb[0] = IPR_RESET_DEVICE; | |
35a39691 BK |
4770 | if (ipr_is_gata(res)) { |
4771 | cmd_pkt->cdb[2] = IPR_ATA_PHY_RESET; | |
a32c055f | 4772 | ioarcb->add_cmd_parms_len = cpu_to_be16(sizeof(regs->flags)); |
35a39691 BK |
4773 | regs->flags |= IPR_ATA_FLAG_STATUS_ON_GOOD_COMPLETION; |
4774 | } | |
c6513096 BK |
4775 | |
4776 | ipr_send_blocking_cmd(ipr_cmd, ipr_timeout, IPR_DEVICE_RESET_TIMEOUT); | |
96d21f00 | 4777 | ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
05a6538a | 4778 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
96d21f00 WB |
4779 | if (ipr_is_gata(res) && res->sata_port && ioasc != IPR_IOASC_IOA_WAS_RESET) { |
4780 | if (ipr_cmd->ioa_cfg->sis64) | |
4781 | memcpy(&res->sata_port->ioasa, &ipr_cmd->s.ioasa64.u.gata, | |
4782 | sizeof(struct ipr_ioasa_gata)); | |
4783 | else | |
4784 | memcpy(&res->sata_port->ioasa, &ipr_cmd->s.ioasa.u.gata, | |
4785 | sizeof(struct ipr_ioasa_gata)); | |
4786 | } | |
c6513096 BK |
4787 | |
4788 | LEAVE; | |
203fa3fe | 4789 | return IPR_IOASC_SENSE_KEY(ioasc) ? -EIO : 0; |
c6513096 BK |
4790 | } |
4791 | ||
35a39691 BK |
4792 | /** |
4793 | * ipr_sata_reset - Reset the SATA port | |
cc0680a5 | 4794 | * @link: SATA link to reset |
35a39691 BK |
4795 | * @classes: class of the attached device |
4796 | * | |
cc0680a5 | 4797 | * This function issues a SATA phy reset to the affected ATA link. |
35a39691 BK |
4798 | * |
4799 | * Return value: | |
4800 | * 0 on success / non-zero on failure | |
4801 | **/ | |
cc0680a5 | 4802 | static int ipr_sata_reset(struct ata_link *link, unsigned int *classes, |
120bda35 | 4803 | unsigned long deadline) |
35a39691 | 4804 | { |
cc0680a5 | 4805 | struct ipr_sata_port *sata_port = link->ap->private_data; |
35a39691 BK |
4806 | struct ipr_ioa_cfg *ioa_cfg = sata_port->ioa_cfg; |
4807 | struct ipr_resource_entry *res; | |
4808 | unsigned long lock_flags = 0; | |
4809 | int rc = -ENXIO; | |
4810 | ||
4811 | ENTER; | |
4812 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
203fa3fe | 4813 | while (ioa_cfg->in_reset_reload) { |
73d98ff0 BK |
4814 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
4815 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
4816 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4817 | } | |
4818 | ||
35a39691 BK |
4819 | res = sata_port->res; |
4820 | if (res) { | |
4821 | rc = ipr_device_reset(ioa_cfg, res); | |
3e7ebdfa | 4822 | *classes = res->ata_class; |
35a39691 BK |
4823 | } |
4824 | ||
4825 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4826 | LEAVE; | |
4827 | return rc; | |
4828 | } | |
4829 | ||
1da177e4 LT |
4830 | /** |
4831 | * ipr_eh_dev_reset - Reset the device | |
4832 | * @scsi_cmd: scsi command struct | |
4833 | * | |
4834 | * This function issues a device reset to the affected device. | |
4835 | * A LUN reset will be sent to the device first. If that does | |
4836 | * not work, a target reset will be sent. | |
4837 | * | |
4838 | * Return value: | |
4839 | * SUCCESS / FAILED | |
4840 | **/ | |
203fa3fe | 4841 | static int __ipr_eh_dev_reset(struct scsi_cmnd *scsi_cmd) |
1da177e4 LT |
4842 | { |
4843 | struct ipr_cmnd *ipr_cmd; | |
4844 | struct ipr_ioa_cfg *ioa_cfg; | |
4845 | struct ipr_resource_entry *res; | |
35a39691 BK |
4846 | struct ata_port *ap; |
4847 | int rc = 0; | |
05a6538a | 4848 | struct ipr_hrr_queue *hrrq; |
1da177e4 LT |
4849 | |
4850 | ENTER; | |
4851 | ioa_cfg = (struct ipr_ioa_cfg *) scsi_cmd->device->host->hostdata; | |
4852 | res = scsi_cmd->device->hostdata; | |
4853 | ||
eeb88307 | 4854 | if (!res) |
1da177e4 LT |
4855 | return FAILED; |
4856 | ||
4857 | /* | |
4858 | * If we are currently going through reset/reload, return failed. This will force the | |
4859 | * mid-layer to call ipr_eh_host_reset, which will then go to sleep and wait for the | |
4860 | * reset to complete | |
4861 | */ | |
4862 | if (ioa_cfg->in_reset_reload) | |
4863 | return FAILED; | |
4864 | if (ioa_cfg->ioa_is_dead) | |
4865 | return FAILED; | |
4866 | ||
05a6538a | 4867 | for_each_hrrq(hrrq, ioa_cfg) { |
4868 | list_for_each_entry(ipr_cmd, &hrrq->hrrq_pending_q, queue) { | |
4869 | if (ipr_cmd->ioarcb.res_handle == res->res_handle) { | |
4870 | if (ipr_cmd->scsi_cmd) | |
4871 | ipr_cmd->done = ipr_scsi_eh_done; | |
4872 | if (ipr_cmd->qc) | |
4873 | ipr_cmd->done = ipr_sata_eh_done; | |
4874 | if (ipr_cmd->qc && | |
4875 | !(ipr_cmd->qc->flags & ATA_QCFLAG_FAILED)) { | |
4876 | ipr_cmd->qc->err_mask |= AC_ERR_TIMEOUT; | |
4877 | ipr_cmd->qc->flags |= ATA_QCFLAG_FAILED; | |
4878 | } | |
7402ecef | 4879 | } |
1da177e4 LT |
4880 | } |
4881 | } | |
1da177e4 | 4882 | res->resetting_device = 1; |
fb3ed3cb | 4883 | scmd_printk(KERN_ERR, scsi_cmd, "Resetting device\n"); |
35a39691 BK |
4884 | |
4885 | if (ipr_is_gata(res) && res->sata_port) { | |
4886 | ap = res->sata_port->ap; | |
4887 | spin_unlock_irq(scsi_cmd->device->host->host_lock); | |
a1efdaba | 4888 | ata_std_error_handler(ap); |
35a39691 | 4889 | spin_lock_irq(scsi_cmd->device->host->host_lock); |
5af23d26 | 4890 | |
05a6538a | 4891 | for_each_hrrq(hrrq, ioa_cfg) { |
4892 | list_for_each_entry(ipr_cmd, | |
4893 | &hrrq->hrrq_pending_q, queue) { | |
4894 | if (ipr_cmd->ioarcb.res_handle == | |
4895 | res->res_handle) { | |
4896 | rc = -EIO; | |
4897 | break; | |
4898 | } | |
5af23d26 BK |
4899 | } |
4900 | } | |
35a39691 BK |
4901 | } else |
4902 | rc = ipr_device_reset(ioa_cfg, res); | |
1da177e4 LT |
4903 | res->resetting_device = 0; |
4904 | ||
1da177e4 | 4905 | LEAVE; |
203fa3fe | 4906 | return rc ? FAILED : SUCCESS; |
1da177e4 LT |
4907 | } |
4908 | ||
203fa3fe | 4909 | static int ipr_eh_dev_reset(struct scsi_cmnd *cmd) |
94d0e7b8 JG |
4910 | { |
4911 | int rc; | |
4912 | ||
4913 | spin_lock_irq(cmd->device->host->host_lock); | |
4914 | rc = __ipr_eh_dev_reset(cmd); | |
4915 | spin_unlock_irq(cmd->device->host->host_lock); | |
4916 | ||
4917 | return rc; | |
4918 | } | |
4919 | ||
1da177e4 LT |
4920 | /** |
4921 | * ipr_bus_reset_done - Op done function for bus reset. | |
4922 | * @ipr_cmd: ipr command struct | |
4923 | * | |
4924 | * This function is the op done function for a bus reset | |
4925 | * | |
4926 | * Return value: | |
4927 | * none | |
4928 | **/ | |
4929 | static void ipr_bus_reset_done(struct ipr_cmnd *ipr_cmd) | |
4930 | { | |
4931 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
4932 | struct ipr_resource_entry *res; | |
4933 | ||
4934 | ENTER; | |
3e7ebdfa WB |
4935 | if (!ioa_cfg->sis64) |
4936 | list_for_each_entry(res, &ioa_cfg->used_res_q, queue) { | |
4937 | if (res->res_handle == ipr_cmd->ioarcb.res_handle) { | |
4938 | scsi_report_bus_reset(ioa_cfg->host, res->bus); | |
4939 | break; | |
4940 | } | |
1da177e4 | 4941 | } |
1da177e4 LT |
4942 | |
4943 | /* | |
4944 | * If abort has not completed, indicate the reset has, else call the | |
4945 | * abort's done function to wake the sleeping eh thread | |
4946 | */ | |
4947 | if (ipr_cmd->sibling->sibling) | |
4948 | ipr_cmd->sibling->sibling = NULL; | |
4949 | else | |
4950 | ipr_cmd->sibling->done(ipr_cmd->sibling); | |
4951 | ||
05a6538a | 4952 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
1da177e4 LT |
4953 | LEAVE; |
4954 | } | |
4955 | ||
4956 | /** | |
4957 | * ipr_abort_timeout - An abort task has timed out | |
4958 | * @ipr_cmd: ipr command struct | |
4959 | * | |
4960 | * This function handles when an abort task times out. If this | |
4961 | * happens we issue a bus reset since we have resources tied | |
4962 | * up that must be freed before returning to the midlayer. | |
4963 | * | |
4964 | * Return value: | |
4965 | * none | |
4966 | **/ | |
4967 | static void ipr_abort_timeout(struct ipr_cmnd *ipr_cmd) | |
4968 | { | |
4969 | struct ipr_cmnd *reset_cmd; | |
4970 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
4971 | struct ipr_cmd_pkt *cmd_pkt; | |
4972 | unsigned long lock_flags = 0; | |
4973 | ||
4974 | ENTER; | |
4975 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4976 | if (ipr_cmd->completion.done || ioa_cfg->in_reset_reload) { | |
4977 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4978 | return; | |
4979 | } | |
4980 | ||
fb3ed3cb | 4981 | sdev_printk(KERN_ERR, ipr_cmd->u.sdev, "Abort timed out. Resetting bus.\n"); |
1da177e4 LT |
4982 | reset_cmd = ipr_get_free_ipr_cmnd(ioa_cfg); |
4983 | ipr_cmd->sibling = reset_cmd; | |
4984 | reset_cmd->sibling = ipr_cmd; | |
4985 | reset_cmd->ioarcb.res_handle = ipr_cmd->ioarcb.res_handle; | |
4986 | cmd_pkt = &reset_cmd->ioarcb.cmd_pkt; | |
4987 | cmd_pkt->request_type = IPR_RQTYPE_IOACMD; | |
4988 | cmd_pkt->cdb[0] = IPR_RESET_DEVICE; | |
4989 | cmd_pkt->cdb[2] = IPR_RESET_TYPE_SELECT | IPR_BUS_RESET; | |
4990 | ||
4991 | ipr_do_req(reset_cmd, ipr_bus_reset_done, ipr_timeout, IPR_DEVICE_RESET_TIMEOUT); | |
4992 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4993 | LEAVE; | |
4994 | } | |
4995 | ||
4996 | /** | |
4997 | * ipr_cancel_op - Cancel specified op | |
4998 | * @scsi_cmd: scsi command struct | |
4999 | * | |
5000 | * This function cancels specified op. | |
5001 | * | |
5002 | * Return value: | |
5003 | * SUCCESS / FAILED | |
5004 | **/ | |
203fa3fe | 5005 | static int ipr_cancel_op(struct scsi_cmnd *scsi_cmd) |
1da177e4 LT |
5006 | { |
5007 | struct ipr_cmnd *ipr_cmd; | |
5008 | struct ipr_ioa_cfg *ioa_cfg; | |
5009 | struct ipr_resource_entry *res; | |
5010 | struct ipr_cmd_pkt *cmd_pkt; | |
a92fa25c | 5011 | u32 ioasc, int_reg; |
1da177e4 | 5012 | int op_found = 0; |
05a6538a | 5013 | struct ipr_hrr_queue *hrrq; |
1da177e4 LT |
5014 | |
5015 | ENTER; | |
5016 | ioa_cfg = (struct ipr_ioa_cfg *)scsi_cmd->device->host->hostdata; | |
5017 | res = scsi_cmd->device->hostdata; | |
5018 | ||
8fa728a2 JG |
5019 | /* If we are currently going through reset/reload, return failed. |
5020 | * This will force the mid-layer to call ipr_eh_host_reset, | |
5021 | * which will then go to sleep and wait for the reset to complete | |
5022 | */ | |
5023 | if (ioa_cfg->in_reset_reload || ioa_cfg->ioa_is_dead) | |
5024 | return FAILED; | |
a92fa25c KSS |
5025 | if (!res) |
5026 | return FAILED; | |
5027 | ||
5028 | /* | |
5029 | * If we are aborting a timed out op, chances are that the timeout was caused | |
5030 | * by a still not detected EEH error. In such cases, reading a register will | |
5031 | * trigger the EEH recovery infrastructure. | |
5032 | */ | |
5033 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg); | |
5034 | ||
5035 | if (!ipr_is_gscsi(res)) | |
1da177e4 LT |
5036 | return FAILED; |
5037 | ||
05a6538a | 5038 | for_each_hrrq(hrrq, ioa_cfg) { |
5039 | list_for_each_entry(ipr_cmd, &hrrq->hrrq_pending_q, queue) { | |
5040 | if (ipr_cmd->scsi_cmd == scsi_cmd) { | |
5041 | ipr_cmd->done = ipr_scsi_eh_done; | |
5042 | op_found = 1; | |
5043 | break; | |
5044 | } | |
1da177e4 LT |
5045 | } |
5046 | } | |
5047 | ||
5048 | if (!op_found) | |
5049 | return SUCCESS; | |
5050 | ||
5051 | ipr_cmd = ipr_get_free_ipr_cmnd(ioa_cfg); | |
3e7ebdfa | 5052 | ipr_cmd->ioarcb.res_handle = res->res_handle; |
1da177e4 LT |
5053 | cmd_pkt = &ipr_cmd->ioarcb.cmd_pkt; |
5054 | cmd_pkt->request_type = IPR_RQTYPE_IOACMD; | |
5055 | cmd_pkt->cdb[0] = IPR_CANCEL_ALL_REQUESTS; | |
5056 | ipr_cmd->u.sdev = scsi_cmd->device; | |
5057 | ||
fb3ed3cb BK |
5058 | scmd_printk(KERN_ERR, scsi_cmd, "Aborting command: %02X\n", |
5059 | scsi_cmd->cmnd[0]); | |
1da177e4 | 5060 | ipr_send_blocking_cmd(ipr_cmd, ipr_abort_timeout, IPR_CANCEL_ALL_TIMEOUT); |
96d21f00 | 5061 | ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
1da177e4 LT |
5062 | |
5063 | /* | |
5064 | * If the abort task timed out and we sent a bus reset, we will get | |
5065 | * one the following responses to the abort | |
5066 | */ | |
5067 | if (ioasc == IPR_IOASC_BUS_WAS_RESET || ioasc == IPR_IOASC_SYNC_REQUIRED) { | |
5068 | ioasc = 0; | |
5069 | ipr_trace; | |
5070 | } | |
5071 | ||
05a6538a | 5072 | list_add_tail(&ipr_cmd->queue, &hrrq->hrrq_free_q); |
ee0a90fa | 5073 | if (!ipr_is_naca_model(res)) |
5074 | res->needs_sync_complete = 1; | |
1da177e4 LT |
5075 | |
5076 | LEAVE; | |
203fa3fe | 5077 | return IPR_IOASC_SENSE_KEY(ioasc) ? FAILED : SUCCESS; |
1da177e4 LT |
5078 | } |
5079 | ||
5080 | /** | |
5081 | * ipr_eh_abort - Abort a single op | |
5082 | * @scsi_cmd: scsi command struct | |
5083 | * | |
5084 | * Return value: | |
5085 | * SUCCESS / FAILED | |
5086 | **/ | |
203fa3fe | 5087 | static int ipr_eh_abort(struct scsi_cmnd *scsi_cmd) |
1da177e4 | 5088 | { |
8fa728a2 JG |
5089 | unsigned long flags; |
5090 | int rc; | |
1da177e4 LT |
5091 | |
5092 | ENTER; | |
1da177e4 | 5093 | |
8fa728a2 JG |
5094 | spin_lock_irqsave(scsi_cmd->device->host->host_lock, flags); |
5095 | rc = ipr_cancel_op(scsi_cmd); | |
5096 | spin_unlock_irqrestore(scsi_cmd->device->host->host_lock, flags); | |
1da177e4 LT |
5097 | |
5098 | LEAVE; | |
8fa728a2 | 5099 | return rc; |
1da177e4 LT |
5100 | } |
5101 | ||
5102 | /** | |
5103 | * ipr_handle_other_interrupt - Handle "other" interrupts | |
5104 | * @ioa_cfg: ioa config struct | |
634651fa | 5105 | * @int_reg: interrupt register |
1da177e4 LT |
5106 | * |
5107 | * Return value: | |
5108 | * IRQ_NONE / IRQ_HANDLED | |
5109 | **/ | |
634651fa | 5110 | static irqreturn_t ipr_handle_other_interrupt(struct ipr_ioa_cfg *ioa_cfg, |
630ad831 | 5111 | u32 int_reg) |
1da177e4 LT |
5112 | { |
5113 | irqreturn_t rc = IRQ_HANDLED; | |
7dacb64f | 5114 | u32 int_mask_reg; |
7dacb64f WB |
5115 | int_mask_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg32); |
5116 | int_reg &= ~int_mask_reg; | |
5117 | ||
5118 | /* If an interrupt on the adapter did not occur, ignore it. | |
5119 | * Or in the case of SIS 64, check for a stage change interrupt. | |
5120 | */ | |
5121 | if ((int_reg & IPR_PCII_OPER_INTERRUPTS) == 0) { | |
5122 | if (ioa_cfg->sis64) { | |
5123 | int_mask_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg); | |
5124 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg) & ~int_mask_reg; | |
5125 | if (int_reg & IPR_PCII_IPL_STAGE_CHANGE) { | |
5126 | ||
5127 | /* clear stage change */ | |
5128 | writel(IPR_PCII_IPL_STAGE_CHANGE, ioa_cfg->regs.clr_interrupt_reg); | |
5129 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg) & ~int_mask_reg; | |
5130 | list_del(&ioa_cfg->reset_cmd->queue); | |
5131 | del_timer(&ioa_cfg->reset_cmd->timer); | |
5132 | ipr_reset_ioa_job(ioa_cfg->reset_cmd); | |
5133 | return IRQ_HANDLED; | |
5134 | } | |
5135 | } | |
5136 | ||
5137 | return IRQ_NONE; | |
5138 | } | |
1da177e4 LT |
5139 | |
5140 | if (int_reg & IPR_PCII_IOA_TRANS_TO_OPER) { | |
5141 | /* Mask the interrupt */ | |
5142 | writel(IPR_PCII_IOA_TRANS_TO_OPER, ioa_cfg->regs.set_interrupt_mask_reg); | |
5143 | ||
5144 | /* Clear the interrupt */ | |
5145 | writel(IPR_PCII_IOA_TRANS_TO_OPER, ioa_cfg->regs.clr_interrupt_reg); | |
5146 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg); | |
5147 | ||
5148 | list_del(&ioa_cfg->reset_cmd->queue); | |
5149 | del_timer(&ioa_cfg->reset_cmd->timer); | |
5150 | ipr_reset_ioa_job(ioa_cfg->reset_cmd); | |
7dacb64f | 5151 | } else if ((int_reg & IPR_PCII_HRRQ_UPDATED) == int_reg) { |
7dd21308 BK |
5152 | if (ioa_cfg->clear_isr) { |
5153 | if (ipr_debug && printk_ratelimit()) | |
5154 | dev_err(&ioa_cfg->pdev->dev, | |
5155 | "Spurious interrupt detected. 0x%08X\n", int_reg); | |
5156 | writel(IPR_PCII_HRRQ_UPDATED, ioa_cfg->regs.clr_interrupt_reg32); | |
5157 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg32); | |
5158 | return IRQ_NONE; | |
5159 | } | |
1da177e4 LT |
5160 | } else { |
5161 | if (int_reg & IPR_PCII_IOA_UNIT_CHECKED) | |
5162 | ioa_cfg->ioa_unit_checked = 1; | |
05a6538a | 5163 | else if (int_reg & IPR_PCII_NO_HOST_RRQ) |
5164 | dev_err(&ioa_cfg->pdev->dev, | |
5165 | "No Host RRQ. 0x%08X\n", int_reg); | |
1da177e4 LT |
5166 | else |
5167 | dev_err(&ioa_cfg->pdev->dev, | |
5168 | "Permanent IOA failure. 0x%08X\n", int_reg); | |
5169 | ||
5170 | if (WAIT_FOR_DUMP == ioa_cfg->sdt_state) | |
5171 | ioa_cfg->sdt_state = GET_DUMP; | |
5172 | ||
5173 | ipr_mask_and_clear_interrupts(ioa_cfg, ~0); | |
5174 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); | |
5175 | } | |
1da177e4 LT |
5176 | return rc; |
5177 | } | |
5178 | ||
3feeb89d WB |
5179 | /** |
5180 | * ipr_isr_eh - Interrupt service routine error handler | |
5181 | * @ioa_cfg: ioa config struct | |
5182 | * @msg: message to log | |
5183 | * | |
5184 | * Return value: | |
5185 | * none | |
5186 | **/ | |
05a6538a | 5187 | static void ipr_isr_eh(struct ipr_ioa_cfg *ioa_cfg, char *msg, u16 number) |
3feeb89d WB |
5188 | { |
5189 | ioa_cfg->errors_logged++; | |
05a6538a | 5190 | dev_err(&ioa_cfg->pdev->dev, "%s %d\n", msg, number); |
3feeb89d WB |
5191 | |
5192 | if (WAIT_FOR_DUMP == ioa_cfg->sdt_state) | |
5193 | ioa_cfg->sdt_state = GET_DUMP; | |
5194 | ||
5195 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); | |
5196 | } | |
5197 | ||
05a6538a | 5198 | static int __ipr_process_hrrq(struct ipr_hrr_queue *hrr_queue, |
5199 | struct list_head *doneq) | |
5200 | { | |
5201 | u32 ioasc; | |
5202 | u16 cmd_index; | |
5203 | struct ipr_cmnd *ipr_cmd; | |
5204 | struct ipr_ioa_cfg *ioa_cfg = hrr_queue->ioa_cfg; | |
5205 | int num_hrrq = 0; | |
5206 | ||
5207 | /* If interrupts are disabled, ignore the interrupt */ | |
5208 | if (!ioa_cfg->allow_interrupts) | |
5209 | return 0; | |
5210 | ||
5211 | while ((be32_to_cpu(*hrr_queue->hrrq_curr) & IPR_HRRQ_TOGGLE_BIT) == | |
5212 | hrr_queue->toggle_bit) { | |
5213 | ||
5214 | cmd_index = (be32_to_cpu(*hrr_queue->hrrq_curr) & | |
5215 | IPR_HRRQ_REQ_RESP_HANDLE_MASK) >> | |
5216 | IPR_HRRQ_REQ_RESP_HANDLE_SHIFT; | |
5217 | ||
5218 | if (unlikely(cmd_index > hrr_queue->max_cmd_id || | |
5219 | cmd_index < hrr_queue->min_cmd_id)) { | |
5220 | ipr_isr_eh(ioa_cfg, | |
5221 | "Invalid response handle from IOA: ", | |
5222 | cmd_index); | |
5223 | break; | |
5224 | } | |
5225 | ||
5226 | ipr_cmd = ioa_cfg->ipr_cmnd_list[cmd_index]; | |
5227 | ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); | |
5228 | ||
5229 | ipr_trc_hook(ipr_cmd, IPR_TRACE_FINISH, ioasc); | |
5230 | ||
5231 | list_move_tail(&ipr_cmd->queue, doneq); | |
5232 | ||
5233 | if (hrr_queue->hrrq_curr < hrr_queue->hrrq_end) { | |
5234 | hrr_queue->hrrq_curr++; | |
5235 | } else { | |
5236 | hrr_queue->hrrq_curr = hrr_queue->hrrq_start; | |
5237 | hrr_queue->toggle_bit ^= 1u; | |
5238 | } | |
5239 | num_hrrq++; | |
5240 | } | |
5241 | return num_hrrq; | |
5242 | } | |
1da177e4 LT |
5243 | /** |
5244 | * ipr_isr - Interrupt service routine | |
5245 | * @irq: irq number | |
5246 | * @devp: pointer to ioa config struct | |
1da177e4 LT |
5247 | * |
5248 | * Return value: | |
5249 | * IRQ_NONE / IRQ_HANDLED | |
5250 | **/ | |
7d12e780 | 5251 | static irqreturn_t ipr_isr(int irq, void *devp) |
1da177e4 | 5252 | { |
05a6538a | 5253 | struct ipr_hrr_queue *hrrq = (struct ipr_hrr_queue *)devp; |
5254 | struct ipr_ioa_cfg *ioa_cfg = hrrq->ioa_cfg; | |
1da177e4 | 5255 | unsigned long lock_flags = 0; |
7dacb64f | 5256 | u32 int_reg = 0; |
1da177e4 LT |
5257 | u32 ioasc; |
5258 | u16 cmd_index; | |
3feeb89d | 5259 | int num_hrrq = 0; |
7dacb64f | 5260 | int irq_none = 0; |
172cd6e1 | 5261 | struct ipr_cmnd *ipr_cmd, *temp; |
1da177e4 | 5262 | irqreturn_t rc = IRQ_NONE; |
172cd6e1 | 5263 | LIST_HEAD(doneq); |
1da177e4 LT |
5264 | |
5265 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
1da177e4 LT |
5266 | /* If interrupts are disabled, ignore the interrupt */ |
5267 | if (!ioa_cfg->allow_interrupts) { | |
5268 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
5269 | return IRQ_NONE; | |
5270 | } | |
5271 | ||
1da177e4 LT |
5272 | while (1) { |
5273 | ipr_cmd = NULL; | |
5274 | ||
05a6538a | 5275 | while ((be32_to_cpu(*hrrq->hrrq_curr) & IPR_HRRQ_TOGGLE_BIT) == |
5276 | hrrq->toggle_bit) { | |
1da177e4 | 5277 | |
05a6538a | 5278 | cmd_index = (be32_to_cpu(*hrrq->hrrq_curr) & |
1da177e4 LT |
5279 | IPR_HRRQ_REQ_RESP_HANDLE_MASK) >> IPR_HRRQ_REQ_RESP_HANDLE_SHIFT; |
5280 | ||
05a6538a | 5281 | if (unlikely(cmd_index > hrrq->max_cmd_id || |
5282 | cmd_index < hrrq->min_cmd_id)) { | |
5283 | ipr_isr_eh(ioa_cfg, | |
5284 | "Invalid response handle from IOA: ", | |
5285 | cmd_index); | |
172cd6e1 BK |
5286 | rc = IRQ_HANDLED; |
5287 | goto unlock_out; | |
1da177e4 LT |
5288 | } |
5289 | ||
5290 | ipr_cmd = ioa_cfg->ipr_cmnd_list[cmd_index]; | |
96d21f00 | 5291 | ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
1da177e4 LT |
5292 | |
5293 | ipr_trc_hook(ipr_cmd, IPR_TRACE_FINISH, ioasc); | |
5294 | ||
172cd6e1 | 5295 | list_move_tail(&ipr_cmd->queue, &doneq); |
1da177e4 LT |
5296 | |
5297 | rc = IRQ_HANDLED; | |
5298 | ||
05a6538a | 5299 | if (hrrq->hrrq_curr < hrrq->hrrq_end) { |
5300 | hrrq->hrrq_curr++; | |
1da177e4 | 5301 | } else { |
05a6538a | 5302 | hrrq->hrrq_curr = hrrq->hrrq_start; |
5303 | hrrq->toggle_bit ^= 1u; | |
1da177e4 LT |
5304 | } |
5305 | } | |
5306 | ||
7dd21308 BK |
5307 | if (ipr_cmd && !ioa_cfg->clear_isr) |
5308 | break; | |
5309 | ||
1da177e4 LT |
5310 | if (ipr_cmd != NULL) { |
5311 | /* Clear the PCI interrupt */ | |
a5442ba4 | 5312 | num_hrrq = 0; |
3feeb89d | 5313 | do { |
214777ba | 5314 | writel(IPR_PCII_HRRQ_UPDATED, ioa_cfg->regs.clr_interrupt_reg32); |
7dacb64f | 5315 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg32); |
3feeb89d WB |
5316 | } while (int_reg & IPR_PCII_HRRQ_UPDATED && |
5317 | num_hrrq++ < IPR_MAX_HRRQ_RETRIES); | |
5318 | ||
7dacb64f WB |
5319 | } else if (rc == IRQ_NONE && irq_none == 0) { |
5320 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg32); | |
5321 | irq_none++; | |
a5442ba4 WB |
5322 | } else if (num_hrrq == IPR_MAX_HRRQ_RETRIES && |
5323 | int_reg & IPR_PCII_HRRQ_UPDATED) { | |
05a6538a | 5324 | ipr_isr_eh(ioa_cfg, "Error clearing HRRQ: ", num_hrrq); |
172cd6e1 BK |
5325 | rc = IRQ_HANDLED; |
5326 | goto unlock_out; | |
1da177e4 LT |
5327 | } else |
5328 | break; | |
5329 | } | |
5330 | ||
5331 | if (unlikely(rc == IRQ_NONE)) | |
634651fa | 5332 | rc = ipr_handle_other_interrupt(ioa_cfg, int_reg); |
1da177e4 | 5333 | |
172cd6e1 | 5334 | unlock_out: |
1da177e4 | 5335 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
172cd6e1 BK |
5336 | list_for_each_entry_safe(ipr_cmd, temp, &doneq, queue) { |
5337 | list_del(&ipr_cmd->queue); | |
5338 | del_timer(&ipr_cmd->timer); | |
5339 | ipr_cmd->fast_done(ipr_cmd); | |
5340 | } | |
05a6538a | 5341 | return rc; |
5342 | } | |
5343 | ||
5344 | /** | |
5345 | * ipr_isr_mhrrq - Interrupt service routine | |
5346 | * @irq: irq number | |
5347 | * @devp: pointer to ioa config struct | |
5348 | * | |
5349 | * Return value: | |
5350 | * IRQ_NONE / IRQ_HANDLED | |
5351 | **/ | |
5352 | static irqreturn_t ipr_isr_mhrrq(int irq, void *devp) | |
5353 | { | |
5354 | struct ipr_hrr_queue *hrrq = (struct ipr_hrr_queue *)devp; | |
5355 | struct ipr_ioa_cfg *ioa_cfg = hrrq->ioa_cfg; | |
5356 | unsigned long lock_flags = 0; | |
5357 | struct ipr_cmnd *ipr_cmd, *temp; | |
5358 | irqreturn_t rc = IRQ_NONE; | |
5359 | LIST_HEAD(doneq); | |
172cd6e1 | 5360 | |
05a6538a | 5361 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); |
5362 | ||
5363 | /* If interrupts are disabled, ignore the interrupt */ | |
5364 | if (!ioa_cfg->allow_interrupts) { | |
5365 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
5366 | return IRQ_NONE; | |
5367 | } | |
5368 | ||
5369 | if ((be32_to_cpu(*hrrq->hrrq_curr) & IPR_HRRQ_TOGGLE_BIT) == | |
5370 | hrrq->toggle_bit) | |
5371 | ||
5372 | if (__ipr_process_hrrq(hrrq, &doneq)) | |
5373 | rc = IRQ_HANDLED; | |
5374 | ||
5375 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
5376 | ||
5377 | list_for_each_entry_safe(ipr_cmd, temp, &doneq, queue) { | |
5378 | list_del(&ipr_cmd->queue); | |
5379 | del_timer(&ipr_cmd->timer); | |
5380 | ipr_cmd->fast_done(ipr_cmd); | |
5381 | } | |
1da177e4 LT |
5382 | return rc; |
5383 | } | |
5384 | ||
a32c055f WB |
5385 | /** |
5386 | * ipr_build_ioadl64 - Build a scatter/gather list and map the buffer | |
5387 | * @ioa_cfg: ioa config struct | |
5388 | * @ipr_cmd: ipr command struct | |
5389 | * | |
5390 | * Return value: | |
5391 | * 0 on success / -1 on failure | |
5392 | **/ | |
5393 | static int ipr_build_ioadl64(struct ipr_ioa_cfg *ioa_cfg, | |
5394 | struct ipr_cmnd *ipr_cmd) | |
5395 | { | |
5396 | int i, nseg; | |
5397 | struct scatterlist *sg; | |
5398 | u32 length; | |
5399 | u32 ioadl_flags = 0; | |
5400 | struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd; | |
5401 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
5402 | struct ipr_ioadl64_desc *ioadl64 = ipr_cmd->i.ioadl64; | |
5403 | ||
5404 | length = scsi_bufflen(scsi_cmd); | |
5405 | if (!length) | |
5406 | return 0; | |
5407 | ||
5408 | nseg = scsi_dma_map(scsi_cmd); | |
5409 | if (nseg < 0) { | |
51f52a47 AB |
5410 | if (printk_ratelimit()) |
5411 | dev_err(&ioa_cfg->pdev->dev, "pci_map_sg failed!\n"); | |
a32c055f WB |
5412 | return -1; |
5413 | } | |
5414 | ||
5415 | ipr_cmd->dma_use_sg = nseg; | |
5416 | ||
438b0331 | 5417 | ioarcb->data_transfer_length = cpu_to_be32(length); |
b8803b1c WB |
5418 | ioarcb->ioadl_len = |
5419 | cpu_to_be32(sizeof(struct ipr_ioadl64_desc) * ipr_cmd->dma_use_sg); | |
438b0331 | 5420 | |
a32c055f WB |
5421 | if (scsi_cmd->sc_data_direction == DMA_TO_DEVICE) { |
5422 | ioadl_flags = IPR_IOADL_FLAGS_WRITE; | |
5423 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ; | |
5424 | } else if (scsi_cmd->sc_data_direction == DMA_FROM_DEVICE) | |
5425 | ioadl_flags = IPR_IOADL_FLAGS_READ; | |
5426 | ||
5427 | scsi_for_each_sg(scsi_cmd, sg, ipr_cmd->dma_use_sg, i) { | |
5428 | ioadl64[i].flags = cpu_to_be32(ioadl_flags); | |
5429 | ioadl64[i].data_len = cpu_to_be32(sg_dma_len(sg)); | |
5430 | ioadl64[i].address = cpu_to_be64(sg_dma_address(sg)); | |
5431 | } | |
5432 | ||
5433 | ioadl64[i-1].flags |= cpu_to_be32(IPR_IOADL_FLAGS_LAST); | |
5434 | return 0; | |
5435 | } | |
5436 | ||
1da177e4 LT |
5437 | /** |
5438 | * ipr_build_ioadl - Build a scatter/gather list and map the buffer | |
5439 | * @ioa_cfg: ioa config struct | |
5440 | * @ipr_cmd: ipr command struct | |
5441 | * | |
5442 | * Return value: | |
5443 | * 0 on success / -1 on failure | |
5444 | **/ | |
5445 | static int ipr_build_ioadl(struct ipr_ioa_cfg *ioa_cfg, | |
5446 | struct ipr_cmnd *ipr_cmd) | |
5447 | { | |
63015bc9 FT |
5448 | int i, nseg; |
5449 | struct scatterlist *sg; | |
1da177e4 LT |
5450 | u32 length; |
5451 | u32 ioadl_flags = 0; | |
5452 | struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd; | |
5453 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
a32c055f | 5454 | struct ipr_ioadl_desc *ioadl = ipr_cmd->i.ioadl; |
1da177e4 | 5455 | |
63015bc9 FT |
5456 | length = scsi_bufflen(scsi_cmd); |
5457 | if (!length) | |
1da177e4 LT |
5458 | return 0; |
5459 | ||
63015bc9 FT |
5460 | nseg = scsi_dma_map(scsi_cmd); |
5461 | if (nseg < 0) { | |
5462 | dev_err(&ioa_cfg->pdev->dev, "pci_map_sg failed!\n"); | |
5463 | return -1; | |
5464 | } | |
51b1c7e1 | 5465 | |
63015bc9 FT |
5466 | ipr_cmd->dma_use_sg = nseg; |
5467 | ||
5468 | if (scsi_cmd->sc_data_direction == DMA_TO_DEVICE) { | |
5469 | ioadl_flags = IPR_IOADL_FLAGS_WRITE; | |
5470 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ; | |
a32c055f WB |
5471 | ioarcb->data_transfer_length = cpu_to_be32(length); |
5472 | ioarcb->ioadl_len = | |
63015bc9 FT |
5473 | cpu_to_be32(sizeof(struct ipr_ioadl_desc) * ipr_cmd->dma_use_sg); |
5474 | } else if (scsi_cmd->sc_data_direction == DMA_FROM_DEVICE) { | |
5475 | ioadl_flags = IPR_IOADL_FLAGS_READ; | |
5476 | ioarcb->read_data_transfer_length = cpu_to_be32(length); | |
5477 | ioarcb->read_ioadl_len = | |
5478 | cpu_to_be32(sizeof(struct ipr_ioadl_desc) * ipr_cmd->dma_use_sg); | |
5479 | } | |
1da177e4 | 5480 | |
a32c055f WB |
5481 | if (ipr_cmd->dma_use_sg <= ARRAY_SIZE(ioarcb->u.add_data.u.ioadl)) { |
5482 | ioadl = ioarcb->u.add_data.u.ioadl; | |
5483 | ioarcb->write_ioadl_addr = cpu_to_be32((ipr_cmd->dma_addr) + | |
5484 | offsetof(struct ipr_ioarcb, u.add_data)); | |
63015bc9 FT |
5485 | ioarcb->read_ioadl_addr = ioarcb->write_ioadl_addr; |
5486 | } | |
1da177e4 | 5487 | |
63015bc9 FT |
5488 | scsi_for_each_sg(scsi_cmd, sg, ipr_cmd->dma_use_sg, i) { |
5489 | ioadl[i].flags_and_data_len = | |
5490 | cpu_to_be32(ioadl_flags | sg_dma_len(sg)); | |
5491 | ioadl[i].address = cpu_to_be32(sg_dma_address(sg)); | |
1da177e4 LT |
5492 | } |
5493 | ||
63015bc9 FT |
5494 | ioadl[i-1].flags_and_data_len |= cpu_to_be32(IPR_IOADL_FLAGS_LAST); |
5495 | return 0; | |
1da177e4 LT |
5496 | } |
5497 | ||
5498 | /** | |
5499 | * ipr_get_task_attributes - Translate SPI Q-Tag to task attributes | |
5500 | * @scsi_cmd: scsi command struct | |
5501 | * | |
5502 | * Return value: | |
5503 | * task attributes | |
5504 | **/ | |
5505 | static u8 ipr_get_task_attributes(struct scsi_cmnd *scsi_cmd) | |
5506 | { | |
5507 | u8 tag[2]; | |
5508 | u8 rc = IPR_FLAGS_LO_UNTAGGED_TASK; | |
5509 | ||
5510 | if (scsi_populate_tag_msg(scsi_cmd, tag)) { | |
5511 | switch (tag[0]) { | |
5512 | case MSG_SIMPLE_TAG: | |
5513 | rc = IPR_FLAGS_LO_SIMPLE_TASK; | |
5514 | break; | |
5515 | case MSG_HEAD_TAG: | |
5516 | rc = IPR_FLAGS_LO_HEAD_OF_Q_TASK; | |
5517 | break; | |
5518 | case MSG_ORDERED_TAG: | |
5519 | rc = IPR_FLAGS_LO_ORDERED_TASK; | |
5520 | break; | |
5521 | }; | |
5522 | } | |
5523 | ||
5524 | return rc; | |
5525 | } | |
5526 | ||
5527 | /** | |
5528 | * ipr_erp_done - Process completion of ERP for a device | |
5529 | * @ipr_cmd: ipr command struct | |
5530 | * | |
5531 | * This function copies the sense buffer into the scsi_cmd | |
5532 | * struct and pushes the scsi_done function. | |
5533 | * | |
5534 | * Return value: | |
5535 | * nothing | |
5536 | **/ | |
5537 | static void ipr_erp_done(struct ipr_cmnd *ipr_cmd) | |
5538 | { | |
5539 | struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd; | |
5540 | struct ipr_resource_entry *res = scsi_cmd->device->hostdata; | |
96d21f00 | 5541 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
1da177e4 LT |
5542 | |
5543 | if (IPR_IOASC_SENSE_KEY(ioasc) > 0) { | |
5544 | scsi_cmd->result |= (DID_ERROR << 16); | |
fb3ed3cb BK |
5545 | scmd_printk(KERN_ERR, scsi_cmd, |
5546 | "Request Sense failed with IOASC: 0x%08X\n", ioasc); | |
1da177e4 LT |
5547 | } else { |
5548 | memcpy(scsi_cmd->sense_buffer, ipr_cmd->sense_buffer, | |
5549 | SCSI_SENSE_BUFFERSIZE); | |
5550 | } | |
5551 | ||
5552 | if (res) { | |
ee0a90fa | 5553 | if (!ipr_is_naca_model(res)) |
5554 | res->needs_sync_complete = 1; | |
1da177e4 LT |
5555 | res->in_erp = 0; |
5556 | } | |
63015bc9 | 5557 | scsi_dma_unmap(ipr_cmd->scsi_cmd); |
05a6538a | 5558 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
1da177e4 LT |
5559 | scsi_cmd->scsi_done(scsi_cmd); |
5560 | } | |
5561 | ||
5562 | /** | |
5563 | * ipr_reinit_ipr_cmnd_for_erp - Re-initialize a cmnd block to be used for ERP | |
5564 | * @ipr_cmd: ipr command struct | |
5565 | * | |
5566 | * Return value: | |
5567 | * none | |
5568 | **/ | |
5569 | static void ipr_reinit_ipr_cmnd_for_erp(struct ipr_cmnd *ipr_cmd) | |
5570 | { | |
51b1c7e1 | 5571 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; |
96d21f00 | 5572 | struct ipr_ioasa *ioasa = &ipr_cmd->s.ioasa; |
a32c055f | 5573 | dma_addr_t dma_addr = ipr_cmd->dma_addr; |
1da177e4 LT |
5574 | |
5575 | memset(&ioarcb->cmd_pkt, 0, sizeof(struct ipr_cmd_pkt)); | |
a32c055f | 5576 | ioarcb->data_transfer_length = 0; |
1da177e4 | 5577 | ioarcb->read_data_transfer_length = 0; |
a32c055f | 5578 | ioarcb->ioadl_len = 0; |
1da177e4 | 5579 | ioarcb->read_ioadl_len = 0; |
96d21f00 WB |
5580 | ioasa->hdr.ioasc = 0; |
5581 | ioasa->hdr.residual_data_len = 0; | |
a32c055f WB |
5582 | |
5583 | if (ipr_cmd->ioa_cfg->sis64) | |
5584 | ioarcb->u.sis64_addr_data.data_ioadl_addr = | |
5585 | cpu_to_be64(dma_addr + offsetof(struct ipr_cmnd, i.ioadl64)); | |
5586 | else { | |
5587 | ioarcb->write_ioadl_addr = | |
5588 | cpu_to_be32(dma_addr + offsetof(struct ipr_cmnd, i.ioadl)); | |
5589 | ioarcb->read_ioadl_addr = ioarcb->write_ioadl_addr; | |
5590 | } | |
1da177e4 LT |
5591 | } |
5592 | ||
5593 | /** | |
5594 | * ipr_erp_request_sense - Send request sense to a device | |
5595 | * @ipr_cmd: ipr command struct | |
5596 | * | |
5597 | * This function sends a request sense to a device as a result | |
5598 | * of a check condition. | |
5599 | * | |
5600 | * Return value: | |
5601 | * nothing | |
5602 | **/ | |
5603 | static void ipr_erp_request_sense(struct ipr_cmnd *ipr_cmd) | |
5604 | { | |
5605 | struct ipr_cmd_pkt *cmd_pkt = &ipr_cmd->ioarcb.cmd_pkt; | |
96d21f00 | 5606 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
1da177e4 LT |
5607 | |
5608 | if (IPR_IOASC_SENSE_KEY(ioasc) > 0) { | |
5609 | ipr_erp_done(ipr_cmd); | |
5610 | return; | |
5611 | } | |
5612 | ||
5613 | ipr_reinit_ipr_cmnd_for_erp(ipr_cmd); | |
5614 | ||
5615 | cmd_pkt->request_type = IPR_RQTYPE_SCSICDB; | |
5616 | cmd_pkt->cdb[0] = REQUEST_SENSE; | |
5617 | cmd_pkt->cdb[4] = SCSI_SENSE_BUFFERSIZE; | |
5618 | cmd_pkt->flags_hi |= IPR_FLAGS_HI_SYNC_OVERRIDE; | |
5619 | cmd_pkt->flags_hi |= IPR_FLAGS_HI_NO_ULEN_CHK; | |
5620 | cmd_pkt->timeout = cpu_to_be16(IPR_REQUEST_SENSE_TIMEOUT / HZ); | |
5621 | ||
a32c055f WB |
5622 | ipr_init_ioadl(ipr_cmd, ipr_cmd->sense_buffer_dma, |
5623 | SCSI_SENSE_BUFFERSIZE, IPR_IOADL_FLAGS_READ_LAST); | |
1da177e4 LT |
5624 | |
5625 | ipr_do_req(ipr_cmd, ipr_erp_done, ipr_timeout, | |
5626 | IPR_REQUEST_SENSE_TIMEOUT * 2); | |
5627 | } | |
5628 | ||
5629 | /** | |
5630 | * ipr_erp_cancel_all - Send cancel all to a device | |
5631 | * @ipr_cmd: ipr command struct | |
5632 | * | |
5633 | * This function sends a cancel all to a device to clear the | |
5634 | * queue. If we are running TCQ on the device, QERR is set to 1, | |
5635 | * which means all outstanding ops have been dropped on the floor. | |
5636 | * Cancel all will return them to us. | |
5637 | * | |
5638 | * Return value: | |
5639 | * nothing | |
5640 | **/ | |
5641 | static void ipr_erp_cancel_all(struct ipr_cmnd *ipr_cmd) | |
5642 | { | |
5643 | struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd; | |
5644 | struct ipr_resource_entry *res = scsi_cmd->device->hostdata; | |
5645 | struct ipr_cmd_pkt *cmd_pkt; | |
5646 | ||
5647 | res->in_erp = 1; | |
5648 | ||
5649 | ipr_reinit_ipr_cmnd_for_erp(ipr_cmd); | |
5650 | ||
5651 | if (!scsi_get_tag_type(scsi_cmd->device)) { | |
5652 | ipr_erp_request_sense(ipr_cmd); | |
5653 | return; | |
5654 | } | |
5655 | ||
5656 | cmd_pkt = &ipr_cmd->ioarcb.cmd_pkt; | |
5657 | cmd_pkt->request_type = IPR_RQTYPE_IOACMD; | |
5658 | cmd_pkt->cdb[0] = IPR_CANCEL_ALL_REQUESTS; | |
5659 | ||
5660 | ipr_do_req(ipr_cmd, ipr_erp_request_sense, ipr_timeout, | |
5661 | IPR_CANCEL_ALL_TIMEOUT); | |
5662 | } | |
5663 | ||
5664 | /** | |
5665 | * ipr_dump_ioasa - Dump contents of IOASA | |
5666 | * @ioa_cfg: ioa config struct | |
5667 | * @ipr_cmd: ipr command struct | |
fe964d0a | 5668 | * @res: resource entry struct |
1da177e4 LT |
5669 | * |
5670 | * This function is invoked by the interrupt handler when ops | |
5671 | * fail. It will log the IOASA if appropriate. Only called | |
5672 | * for GPDD ops. | |
5673 | * | |
5674 | * Return value: | |
5675 | * none | |
5676 | **/ | |
5677 | static void ipr_dump_ioasa(struct ipr_ioa_cfg *ioa_cfg, | |
fe964d0a | 5678 | struct ipr_cmnd *ipr_cmd, struct ipr_resource_entry *res) |
1da177e4 LT |
5679 | { |
5680 | int i; | |
5681 | u16 data_len; | |
b0692dd4 | 5682 | u32 ioasc, fd_ioasc; |
96d21f00 | 5683 | struct ipr_ioasa *ioasa = &ipr_cmd->s.ioasa; |
1da177e4 LT |
5684 | __be32 *ioasa_data = (__be32 *)ioasa; |
5685 | int error_index; | |
5686 | ||
96d21f00 WB |
5687 | ioasc = be32_to_cpu(ioasa->hdr.ioasc) & IPR_IOASC_IOASC_MASK; |
5688 | fd_ioasc = be32_to_cpu(ioasa->hdr.fd_ioasc) & IPR_IOASC_IOASC_MASK; | |
1da177e4 LT |
5689 | |
5690 | if (0 == ioasc) | |
5691 | return; | |
5692 | ||
5693 | if (ioa_cfg->log_level < IPR_DEFAULT_LOG_LEVEL) | |
5694 | return; | |
5695 | ||
b0692dd4 BK |
5696 | if (ioasc == IPR_IOASC_BUS_WAS_RESET && fd_ioasc) |
5697 | error_index = ipr_get_error(fd_ioasc); | |
5698 | else | |
5699 | error_index = ipr_get_error(ioasc); | |
1da177e4 LT |
5700 | |
5701 | if (ioa_cfg->log_level < IPR_MAX_LOG_LEVEL) { | |
5702 | /* Don't log an error if the IOA already logged one */ | |
96d21f00 | 5703 | if (ioasa->hdr.ilid != 0) |
1da177e4 LT |
5704 | return; |
5705 | ||
cc9bd5d4 BK |
5706 | if (!ipr_is_gscsi(res)) |
5707 | return; | |
5708 | ||
1da177e4 LT |
5709 | if (ipr_error_table[error_index].log_ioasa == 0) |
5710 | return; | |
5711 | } | |
5712 | ||
fe964d0a | 5713 | ipr_res_err(ioa_cfg, res, "%s\n", ipr_error_table[error_index].error); |
1da177e4 | 5714 | |
96d21f00 WB |
5715 | data_len = be16_to_cpu(ioasa->hdr.ret_stat_len); |
5716 | if (ioa_cfg->sis64 && sizeof(struct ipr_ioasa64) < data_len) | |
5717 | data_len = sizeof(struct ipr_ioasa64); | |
5718 | else if (!ioa_cfg->sis64 && sizeof(struct ipr_ioasa) < data_len) | |
1da177e4 | 5719 | data_len = sizeof(struct ipr_ioasa); |
1da177e4 LT |
5720 | |
5721 | ipr_err("IOASA Dump:\n"); | |
5722 | ||
5723 | for (i = 0; i < data_len / 4; i += 4) { | |
5724 | ipr_err("%08X: %08X %08X %08X %08X\n", i*4, | |
5725 | be32_to_cpu(ioasa_data[i]), | |
5726 | be32_to_cpu(ioasa_data[i+1]), | |
5727 | be32_to_cpu(ioasa_data[i+2]), | |
5728 | be32_to_cpu(ioasa_data[i+3])); | |
5729 | } | |
5730 | } | |
5731 | ||
5732 | /** | |
5733 | * ipr_gen_sense - Generate SCSI sense data from an IOASA | |
5734 | * @ioasa: IOASA | |
5735 | * @sense_buf: sense data buffer | |
5736 | * | |
5737 | * Return value: | |
5738 | * none | |
5739 | **/ | |
5740 | static void ipr_gen_sense(struct ipr_cmnd *ipr_cmd) | |
5741 | { | |
5742 | u32 failing_lba; | |
5743 | u8 *sense_buf = ipr_cmd->scsi_cmd->sense_buffer; | |
5744 | struct ipr_resource_entry *res = ipr_cmd->scsi_cmd->device->hostdata; | |
96d21f00 WB |
5745 | struct ipr_ioasa *ioasa = &ipr_cmd->s.ioasa; |
5746 | u32 ioasc = be32_to_cpu(ioasa->hdr.ioasc); | |
1da177e4 LT |
5747 | |
5748 | memset(sense_buf, 0, SCSI_SENSE_BUFFERSIZE); | |
5749 | ||
5750 | if (ioasc >= IPR_FIRST_DRIVER_IOASC) | |
5751 | return; | |
5752 | ||
5753 | ipr_cmd->scsi_cmd->result = SAM_STAT_CHECK_CONDITION; | |
5754 | ||
5755 | if (ipr_is_vset_device(res) && | |
5756 | ioasc == IPR_IOASC_MED_DO_NOT_REALLOC && | |
5757 | ioasa->u.vset.failing_lba_hi != 0) { | |
5758 | sense_buf[0] = 0x72; | |
5759 | sense_buf[1] = IPR_IOASC_SENSE_KEY(ioasc); | |
5760 | sense_buf[2] = IPR_IOASC_SENSE_CODE(ioasc); | |
5761 | sense_buf[3] = IPR_IOASC_SENSE_QUAL(ioasc); | |
5762 | ||
5763 | sense_buf[7] = 12; | |
5764 | sense_buf[8] = 0; | |
5765 | sense_buf[9] = 0x0A; | |
5766 | sense_buf[10] = 0x80; | |
5767 | ||
5768 | failing_lba = be32_to_cpu(ioasa->u.vset.failing_lba_hi); | |
5769 | ||
5770 | sense_buf[12] = (failing_lba & 0xff000000) >> 24; | |
5771 | sense_buf[13] = (failing_lba & 0x00ff0000) >> 16; | |
5772 | sense_buf[14] = (failing_lba & 0x0000ff00) >> 8; | |
5773 | sense_buf[15] = failing_lba & 0x000000ff; | |
5774 | ||
5775 | failing_lba = be32_to_cpu(ioasa->u.vset.failing_lba_lo); | |
5776 | ||
5777 | sense_buf[16] = (failing_lba & 0xff000000) >> 24; | |
5778 | sense_buf[17] = (failing_lba & 0x00ff0000) >> 16; | |
5779 | sense_buf[18] = (failing_lba & 0x0000ff00) >> 8; | |
5780 | sense_buf[19] = failing_lba & 0x000000ff; | |
5781 | } else { | |
5782 | sense_buf[0] = 0x70; | |
5783 | sense_buf[2] = IPR_IOASC_SENSE_KEY(ioasc); | |
5784 | sense_buf[12] = IPR_IOASC_SENSE_CODE(ioasc); | |
5785 | sense_buf[13] = IPR_IOASC_SENSE_QUAL(ioasc); | |
5786 | ||
5787 | /* Illegal request */ | |
5788 | if ((IPR_IOASC_SENSE_KEY(ioasc) == 0x05) && | |
96d21f00 | 5789 | (be32_to_cpu(ioasa->hdr.ioasc_specific) & IPR_FIELD_POINTER_VALID)) { |
1da177e4 LT |
5790 | sense_buf[7] = 10; /* additional length */ |
5791 | ||
5792 | /* IOARCB was in error */ | |
5793 | if (IPR_IOASC_SENSE_CODE(ioasc) == 0x24) | |
5794 | sense_buf[15] = 0xC0; | |
5795 | else /* Parameter data was invalid */ | |
5796 | sense_buf[15] = 0x80; | |
5797 | ||
5798 | sense_buf[16] = | |
5799 | ((IPR_FIELD_POINTER_MASK & | |
96d21f00 | 5800 | be32_to_cpu(ioasa->hdr.ioasc_specific)) >> 8) & 0xff; |
1da177e4 LT |
5801 | sense_buf[17] = |
5802 | (IPR_FIELD_POINTER_MASK & | |
96d21f00 | 5803 | be32_to_cpu(ioasa->hdr.ioasc_specific)) & 0xff; |
1da177e4 LT |
5804 | } else { |
5805 | if (ioasc == IPR_IOASC_MED_DO_NOT_REALLOC) { | |
5806 | if (ipr_is_vset_device(res)) | |
5807 | failing_lba = be32_to_cpu(ioasa->u.vset.failing_lba_lo); | |
5808 | else | |
5809 | failing_lba = be32_to_cpu(ioasa->u.dasd.failing_lba); | |
5810 | ||
5811 | sense_buf[0] |= 0x80; /* Or in the Valid bit */ | |
5812 | sense_buf[3] = (failing_lba & 0xff000000) >> 24; | |
5813 | sense_buf[4] = (failing_lba & 0x00ff0000) >> 16; | |
5814 | sense_buf[5] = (failing_lba & 0x0000ff00) >> 8; | |
5815 | sense_buf[6] = failing_lba & 0x000000ff; | |
5816 | } | |
5817 | ||
5818 | sense_buf[7] = 6; /* additional length */ | |
5819 | } | |
5820 | } | |
5821 | } | |
5822 | ||
ee0a90fa | 5823 | /** |
5824 | * ipr_get_autosense - Copy autosense data to sense buffer | |
5825 | * @ipr_cmd: ipr command struct | |
5826 | * | |
5827 | * This function copies the autosense buffer to the buffer | |
5828 | * in the scsi_cmd, if there is autosense available. | |
5829 | * | |
5830 | * Return value: | |
5831 | * 1 if autosense was available / 0 if not | |
5832 | **/ | |
5833 | static int ipr_get_autosense(struct ipr_cmnd *ipr_cmd) | |
5834 | { | |
96d21f00 WB |
5835 | struct ipr_ioasa *ioasa = &ipr_cmd->s.ioasa; |
5836 | struct ipr_ioasa64 *ioasa64 = &ipr_cmd->s.ioasa64; | |
ee0a90fa | 5837 | |
96d21f00 | 5838 | if ((be32_to_cpu(ioasa->hdr.ioasc_specific) & IPR_AUTOSENSE_VALID) == 0) |
ee0a90fa | 5839 | return 0; |
5840 | ||
96d21f00 WB |
5841 | if (ipr_cmd->ioa_cfg->sis64) |
5842 | memcpy(ipr_cmd->scsi_cmd->sense_buffer, ioasa64->auto_sense.data, | |
5843 | min_t(u16, be16_to_cpu(ioasa64->auto_sense.auto_sense_len), | |
5844 | SCSI_SENSE_BUFFERSIZE)); | |
5845 | else | |
5846 | memcpy(ipr_cmd->scsi_cmd->sense_buffer, ioasa->auto_sense.data, | |
5847 | min_t(u16, be16_to_cpu(ioasa->auto_sense.auto_sense_len), | |
5848 | SCSI_SENSE_BUFFERSIZE)); | |
ee0a90fa | 5849 | return 1; |
5850 | } | |
5851 | ||
1da177e4 LT |
5852 | /** |
5853 | * ipr_erp_start - Process an error response for a SCSI op | |
5854 | * @ioa_cfg: ioa config struct | |
5855 | * @ipr_cmd: ipr command struct | |
5856 | * | |
5857 | * This function determines whether or not to initiate ERP | |
5858 | * on the affected device. | |
5859 | * | |
5860 | * Return value: | |
5861 | * nothing | |
5862 | **/ | |
5863 | static void ipr_erp_start(struct ipr_ioa_cfg *ioa_cfg, | |
5864 | struct ipr_cmnd *ipr_cmd) | |
5865 | { | |
5866 | struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd; | |
5867 | struct ipr_resource_entry *res = scsi_cmd->device->hostdata; | |
96d21f00 | 5868 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
8a048994 | 5869 | u32 masked_ioasc = ioasc & IPR_IOASC_IOASC_MASK; |
1da177e4 LT |
5870 | |
5871 | if (!res) { | |
5872 | ipr_scsi_eh_done(ipr_cmd); | |
5873 | return; | |
5874 | } | |
5875 | ||
8a048994 | 5876 | if (!ipr_is_gscsi(res) && masked_ioasc != IPR_IOASC_HW_DEV_BUS_STATUS) |
1da177e4 LT |
5877 | ipr_gen_sense(ipr_cmd); |
5878 | ||
cc9bd5d4 BK |
5879 | ipr_dump_ioasa(ioa_cfg, ipr_cmd, res); |
5880 | ||
8a048994 | 5881 | switch (masked_ioasc) { |
1da177e4 | 5882 | case IPR_IOASC_ABORTED_CMD_TERM_BY_HOST: |
ee0a90fa | 5883 | if (ipr_is_naca_model(res)) |
5884 | scsi_cmd->result |= (DID_ABORT << 16); | |
5885 | else | |
5886 | scsi_cmd->result |= (DID_IMM_RETRY << 16); | |
1da177e4 LT |
5887 | break; |
5888 | case IPR_IOASC_IR_RESOURCE_HANDLE: | |
b0df54bb | 5889 | case IPR_IOASC_IR_NO_CMDS_TO_2ND_IOA: |
1da177e4 LT |
5890 | scsi_cmd->result |= (DID_NO_CONNECT << 16); |
5891 | break; | |
5892 | case IPR_IOASC_HW_SEL_TIMEOUT: | |
5893 | scsi_cmd->result |= (DID_NO_CONNECT << 16); | |
ee0a90fa | 5894 | if (!ipr_is_naca_model(res)) |
5895 | res->needs_sync_complete = 1; | |
1da177e4 LT |
5896 | break; |
5897 | case IPR_IOASC_SYNC_REQUIRED: | |
5898 | if (!res->in_erp) | |
5899 | res->needs_sync_complete = 1; | |
5900 | scsi_cmd->result |= (DID_IMM_RETRY << 16); | |
5901 | break; | |
5902 | case IPR_IOASC_MED_DO_NOT_REALLOC: /* prevent retries */ | |
b0df54bb | 5903 | case IPR_IOASA_IR_DUAL_IOA_DISABLED: |
1da177e4 LT |
5904 | scsi_cmd->result |= (DID_PASSTHROUGH << 16); |
5905 | break; | |
5906 | case IPR_IOASC_BUS_WAS_RESET: | |
5907 | case IPR_IOASC_BUS_WAS_RESET_BY_OTHER: | |
5908 | /* | |
5909 | * Report the bus reset and ask for a retry. The device | |
5910 | * will give CC/UA the next command. | |
5911 | */ | |
5912 | if (!res->resetting_device) | |
5913 | scsi_report_bus_reset(ioa_cfg->host, scsi_cmd->device->channel); | |
5914 | scsi_cmd->result |= (DID_ERROR << 16); | |
ee0a90fa | 5915 | if (!ipr_is_naca_model(res)) |
5916 | res->needs_sync_complete = 1; | |
1da177e4 LT |
5917 | break; |
5918 | case IPR_IOASC_HW_DEV_BUS_STATUS: | |
5919 | scsi_cmd->result |= IPR_IOASC_SENSE_STATUS(ioasc); | |
5920 | if (IPR_IOASC_SENSE_STATUS(ioasc) == SAM_STAT_CHECK_CONDITION) { | |
ee0a90fa | 5921 | if (!ipr_get_autosense(ipr_cmd)) { |
5922 | if (!ipr_is_naca_model(res)) { | |
5923 | ipr_erp_cancel_all(ipr_cmd); | |
5924 | return; | |
5925 | } | |
5926 | } | |
1da177e4 | 5927 | } |
ee0a90fa | 5928 | if (!ipr_is_naca_model(res)) |
5929 | res->needs_sync_complete = 1; | |
1da177e4 LT |
5930 | break; |
5931 | case IPR_IOASC_NR_INIT_CMD_REQUIRED: | |
5932 | break; | |
5933 | default: | |
5b7304fb BK |
5934 | if (IPR_IOASC_SENSE_KEY(ioasc) > RECOVERED_ERROR) |
5935 | scsi_cmd->result |= (DID_ERROR << 16); | |
ee0a90fa | 5936 | if (!ipr_is_vset_device(res) && !ipr_is_naca_model(res)) |
1da177e4 LT |
5937 | res->needs_sync_complete = 1; |
5938 | break; | |
5939 | } | |
5940 | ||
63015bc9 | 5941 | scsi_dma_unmap(ipr_cmd->scsi_cmd); |
05a6538a | 5942 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
1da177e4 LT |
5943 | scsi_cmd->scsi_done(scsi_cmd); |
5944 | } | |
5945 | ||
5946 | /** | |
5947 | * ipr_scsi_done - mid-layer done function | |
5948 | * @ipr_cmd: ipr command struct | |
5949 | * | |
5950 | * This function is invoked by the interrupt handler for | |
5951 | * ops generated by the SCSI mid-layer | |
5952 | * | |
5953 | * Return value: | |
5954 | * none | |
5955 | **/ | |
5956 | static void ipr_scsi_done(struct ipr_cmnd *ipr_cmd) | |
5957 | { | |
5958 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
5959 | struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd; | |
96d21f00 | 5960 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
05a6538a | 5961 | unsigned long hrrq_flags; |
1da177e4 | 5962 | |
96d21f00 | 5963 | scsi_set_resid(scsi_cmd, be32_to_cpu(ipr_cmd->s.ioasa.hdr.residual_data_len)); |
1da177e4 LT |
5964 | |
5965 | if (likely(IPR_IOASC_SENSE_KEY(ioasc) == 0)) { | |
172cd6e1 BK |
5966 | scsi_dma_unmap(scsi_cmd); |
5967 | ||
05a6538a | 5968 | spin_lock_irqsave(ioa_cfg->host->host_lock, hrrq_flags); |
5969 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); | |
1da177e4 | 5970 | scsi_cmd->scsi_done(scsi_cmd); |
05a6538a | 5971 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, hrrq_flags); |
172cd6e1 | 5972 | } else { |
05a6538a | 5973 | spin_lock_irqsave(ioa_cfg->host->host_lock, hrrq_flags); |
1da177e4 | 5974 | ipr_erp_start(ioa_cfg, ipr_cmd); |
05a6538a | 5975 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, hrrq_flags); |
172cd6e1 | 5976 | } |
1da177e4 LT |
5977 | } |
5978 | ||
1da177e4 LT |
5979 | /** |
5980 | * ipr_queuecommand - Queue a mid-layer request | |
00bfef2c | 5981 | * @shost: scsi host struct |
1da177e4 | 5982 | * @scsi_cmd: scsi command struct |
1da177e4 LT |
5983 | * |
5984 | * This function queues a request generated by the mid-layer. | |
5985 | * | |
5986 | * Return value: | |
5987 | * 0 on success | |
5988 | * SCSI_MLQUEUE_DEVICE_BUSY if device is busy | |
5989 | * SCSI_MLQUEUE_HOST_BUSY if host is busy | |
5990 | **/ | |
00bfef2c BK |
5991 | static int ipr_queuecommand(struct Scsi_Host *shost, |
5992 | struct scsi_cmnd *scsi_cmd) | |
1da177e4 LT |
5993 | { |
5994 | struct ipr_ioa_cfg *ioa_cfg; | |
5995 | struct ipr_resource_entry *res; | |
5996 | struct ipr_ioarcb *ioarcb; | |
5997 | struct ipr_cmnd *ipr_cmd; | |
00bfef2c | 5998 | unsigned long lock_flags; |
d12f1576 | 5999 | int rc; |
05a6538a | 6000 | struct ipr_hrr_queue *hrrq; |
6001 | int hrrq_id; | |
1da177e4 | 6002 | |
00bfef2c BK |
6003 | ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
6004 | ||
6005 | spin_lock_irqsave(shost->host_lock, lock_flags); | |
1da177e4 | 6006 | scsi_cmd->result = (DID_OK << 16); |
00bfef2c | 6007 | res = scsi_cmd->device->hostdata; |
05a6538a | 6008 | hrrq_id = ipr_get_hrrq_index(ioa_cfg); |
6009 | hrrq = &ioa_cfg->hrrq[hrrq_id]; | |
1da177e4 LT |
6010 | |
6011 | /* | |
6012 | * We are currently blocking all devices due to a host reset | |
6013 | * We have told the host to stop giving us new requests, but | |
6014 | * ERP ops don't count. FIXME | |
6015 | */ | |
00bfef2c BK |
6016 | if (unlikely(!ioa_cfg->allow_cmds && !ioa_cfg->ioa_is_dead)) { |
6017 | spin_unlock_irqrestore(shost->host_lock, lock_flags); | |
1da177e4 | 6018 | return SCSI_MLQUEUE_HOST_BUSY; |
00bfef2c | 6019 | } |
1da177e4 LT |
6020 | |
6021 | /* | |
6022 | * FIXME - Create scsi_set_host_offline interface | |
6023 | * and the ioa_is_dead check can be removed | |
6024 | */ | |
6025 | if (unlikely(ioa_cfg->ioa_is_dead || !res)) { | |
00bfef2c BK |
6026 | spin_unlock_irqrestore(shost->host_lock, lock_flags); |
6027 | goto err_nodev; | |
1da177e4 LT |
6028 | } |
6029 | ||
d995e1b7 DC |
6030 | if (ipr_is_gata(res) && res->sata_port) { |
6031 | rc = ata_sas_queuecmd(scsi_cmd, res->sata_port->ap); | |
6032 | spin_unlock_irqrestore(shost->host_lock, lock_flags); | |
6033 | return rc; | |
1da177e4 LT |
6034 | } |
6035 | ||
05a6538a | 6036 | ipr_cmd = __ipr_get_free_ipr_cmnd(hrrq); |
6037 | if (ipr_cmd == NULL) { | |
6038 | spin_unlock_irqrestore(shost->host_lock, lock_flags); | |
6039 | return SCSI_MLQUEUE_HOST_BUSY; | |
6040 | } | |
00bfef2c | 6041 | spin_unlock_irqrestore(shost->host_lock, lock_flags); |
35a39691 | 6042 | |
172cd6e1 | 6043 | ipr_init_ipr_cmnd(ipr_cmd, ipr_scsi_done); |
1da177e4 | 6044 | ioarcb = &ipr_cmd->ioarcb; |
1da177e4 LT |
6045 | |
6046 | memcpy(ioarcb->cmd_pkt.cdb, scsi_cmd->cmnd, scsi_cmd->cmd_len); | |
6047 | ipr_cmd->scsi_cmd = scsi_cmd; | |
172cd6e1 | 6048 | ipr_cmd->done = ipr_scsi_eh_done; |
1da177e4 LT |
6049 | |
6050 | if (ipr_is_gscsi(res) || ipr_is_vset_device(res)) { | |
6051 | if (scsi_cmd->underflow == 0) | |
6052 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_NO_ULEN_CHK; | |
6053 | ||
1da177e4 | 6054 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_NO_LINK_DESC; |
ab6c10b1 WB |
6055 | if (ipr_is_gscsi(res)) |
6056 | ioarcb->cmd_pkt.flags_lo |= IPR_FLAGS_LO_DELAY_AFTER_RST; | |
1da177e4 LT |
6057 | ioarcb->cmd_pkt.flags_lo |= IPR_FLAGS_LO_ALIGNED_BFR; |
6058 | ioarcb->cmd_pkt.flags_lo |= ipr_get_task_attributes(scsi_cmd); | |
6059 | } | |
6060 | ||
6061 | if (scsi_cmd->cmnd[0] >= 0xC0 && | |
05a6538a | 6062 | (!ipr_is_gscsi(res) || scsi_cmd->cmnd[0] == IPR_QUERY_RSRC_STATE)) { |
1da177e4 | 6063 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_IOACMD; |
05a6538a | 6064 | } |
1da177e4 | 6065 | |
d12f1576 DC |
6066 | if (ioa_cfg->sis64) |
6067 | rc = ipr_build_ioadl64(ioa_cfg, ipr_cmd); | |
6068 | else | |
6069 | rc = ipr_build_ioadl(ioa_cfg, ipr_cmd); | |
1da177e4 | 6070 | |
00bfef2c BK |
6071 | spin_lock_irqsave(shost->host_lock, lock_flags); |
6072 | if (unlikely(rc || (!ioa_cfg->allow_cmds && !ioa_cfg->ioa_is_dead))) { | |
05a6538a | 6073 | list_add_tail(&ipr_cmd->queue, &hrrq->hrrq_free_q); |
00bfef2c BK |
6074 | spin_unlock_irqrestore(shost->host_lock, lock_flags); |
6075 | if (!rc) | |
6076 | scsi_dma_unmap(scsi_cmd); | |
a5fb407e | 6077 | return SCSI_MLQUEUE_HOST_BUSY; |
1da177e4 LT |
6078 | } |
6079 | ||
00bfef2c | 6080 | if (unlikely(ioa_cfg->ioa_is_dead)) { |
05a6538a | 6081 | list_add_tail(&ipr_cmd->queue, &hrrq->hrrq_free_q); |
00bfef2c BK |
6082 | spin_unlock_irqrestore(shost->host_lock, lock_flags); |
6083 | scsi_dma_unmap(scsi_cmd); | |
6084 | goto err_nodev; | |
6085 | } | |
6086 | ||
6087 | ioarcb->res_handle = res->res_handle; | |
6088 | if (res->needs_sync_complete) { | |
6089 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_SYNC_COMPLETE; | |
6090 | res->needs_sync_complete = 0; | |
6091 | } | |
05a6538a | 6092 | list_add_tail(&ipr_cmd->queue, &hrrq->hrrq_pending_q); |
00bfef2c | 6093 | ipr_trc_hook(ipr_cmd, IPR_TRACE_START, IPR_GET_RES_PHYS_LOC(res)); |
a5fb407e | 6094 | ipr_send_command(ipr_cmd); |
00bfef2c | 6095 | spin_unlock_irqrestore(shost->host_lock, lock_flags); |
1da177e4 | 6096 | return 0; |
1da177e4 | 6097 | |
00bfef2c BK |
6098 | err_nodev: |
6099 | spin_lock_irqsave(shost->host_lock, lock_flags); | |
6100 | memset(scsi_cmd->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); | |
6101 | scsi_cmd->result = (DID_NO_CONNECT << 16); | |
6102 | scsi_cmd->scsi_done(scsi_cmd); | |
6103 | spin_unlock_irqrestore(shost->host_lock, lock_flags); | |
6104 | return 0; | |
6105 | } | |
f281233d | 6106 | |
35a39691 BK |
6107 | /** |
6108 | * ipr_ioctl - IOCTL handler | |
6109 | * @sdev: scsi device struct | |
6110 | * @cmd: IOCTL cmd | |
6111 | * @arg: IOCTL arg | |
6112 | * | |
6113 | * Return value: | |
6114 | * 0 on success / other on failure | |
6115 | **/ | |
bd705f2d | 6116 | static int ipr_ioctl(struct scsi_device *sdev, int cmd, void __user *arg) |
35a39691 BK |
6117 | { |
6118 | struct ipr_resource_entry *res; | |
6119 | ||
6120 | res = (struct ipr_resource_entry *)sdev->hostdata; | |
0ce3a7e5 BK |
6121 | if (res && ipr_is_gata(res)) { |
6122 | if (cmd == HDIO_GET_IDENTITY) | |
6123 | return -ENOTTY; | |
94be9a58 | 6124 | return ata_sas_scsi_ioctl(res->sata_port->ap, sdev, cmd, arg); |
0ce3a7e5 | 6125 | } |
35a39691 BK |
6126 | |
6127 | return -EINVAL; | |
6128 | } | |
6129 | ||
1da177e4 LT |
6130 | /** |
6131 | * ipr_info - Get information about the card/driver | |
6132 | * @scsi_host: scsi host struct | |
6133 | * | |
6134 | * Return value: | |
6135 | * pointer to buffer with description string | |
6136 | **/ | |
203fa3fe | 6137 | static const char *ipr_ioa_info(struct Scsi_Host *host) |
1da177e4 LT |
6138 | { |
6139 | static char buffer[512]; | |
6140 | struct ipr_ioa_cfg *ioa_cfg; | |
6141 | unsigned long lock_flags = 0; | |
6142 | ||
6143 | ioa_cfg = (struct ipr_ioa_cfg *) host->hostdata; | |
6144 | ||
6145 | spin_lock_irqsave(host->host_lock, lock_flags); | |
6146 | sprintf(buffer, "IBM %X Storage Adapter", ioa_cfg->type); | |
6147 | spin_unlock_irqrestore(host->host_lock, lock_flags); | |
6148 | ||
6149 | return buffer; | |
6150 | } | |
6151 | ||
6152 | static struct scsi_host_template driver_template = { | |
6153 | .module = THIS_MODULE, | |
6154 | .name = "IPR", | |
6155 | .info = ipr_ioa_info, | |
35a39691 | 6156 | .ioctl = ipr_ioctl, |
1da177e4 LT |
6157 | .queuecommand = ipr_queuecommand, |
6158 | .eh_abort_handler = ipr_eh_abort, | |
6159 | .eh_device_reset_handler = ipr_eh_dev_reset, | |
6160 | .eh_host_reset_handler = ipr_eh_host_reset, | |
6161 | .slave_alloc = ipr_slave_alloc, | |
6162 | .slave_configure = ipr_slave_configure, | |
6163 | .slave_destroy = ipr_slave_destroy, | |
35a39691 BK |
6164 | .target_alloc = ipr_target_alloc, |
6165 | .target_destroy = ipr_target_destroy, | |
1da177e4 LT |
6166 | .change_queue_depth = ipr_change_queue_depth, |
6167 | .change_queue_type = ipr_change_queue_type, | |
6168 | .bios_param = ipr_biosparam, | |
6169 | .can_queue = IPR_MAX_COMMANDS, | |
6170 | .this_id = -1, | |
6171 | .sg_tablesize = IPR_MAX_SGLIST, | |
6172 | .max_sectors = IPR_IOA_MAX_SECTORS, | |
6173 | .cmd_per_lun = IPR_MAX_CMD_PER_LUN, | |
6174 | .use_clustering = ENABLE_CLUSTERING, | |
6175 | .shost_attrs = ipr_ioa_attrs, | |
6176 | .sdev_attrs = ipr_dev_attrs, | |
6177 | .proc_name = IPR_NAME | |
6178 | }; | |
6179 | ||
35a39691 BK |
6180 | /** |
6181 | * ipr_ata_phy_reset - libata phy_reset handler | |
6182 | * @ap: ata port to reset | |
6183 | * | |
6184 | **/ | |
6185 | static void ipr_ata_phy_reset(struct ata_port *ap) | |
6186 | { | |
6187 | unsigned long flags; | |
6188 | struct ipr_sata_port *sata_port = ap->private_data; | |
6189 | struct ipr_resource_entry *res = sata_port->res; | |
6190 | struct ipr_ioa_cfg *ioa_cfg = sata_port->ioa_cfg; | |
6191 | int rc; | |
6192 | ||
6193 | ENTER; | |
6194 | spin_lock_irqsave(ioa_cfg->host->host_lock, flags); | |
203fa3fe | 6195 | while (ioa_cfg->in_reset_reload) { |
35a39691 BK |
6196 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); |
6197 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
6198 | spin_lock_irqsave(ioa_cfg->host->host_lock, flags); | |
6199 | } | |
6200 | ||
6201 | if (!ioa_cfg->allow_cmds) | |
6202 | goto out_unlock; | |
6203 | ||
6204 | rc = ipr_device_reset(ioa_cfg, res); | |
6205 | ||
6206 | if (rc) { | |
3e4ec344 | 6207 | ap->link.device[0].class = ATA_DEV_NONE; |
35a39691 BK |
6208 | goto out_unlock; |
6209 | } | |
6210 | ||
3e7ebdfa WB |
6211 | ap->link.device[0].class = res->ata_class; |
6212 | if (ap->link.device[0].class == ATA_DEV_UNKNOWN) | |
3e4ec344 | 6213 | ap->link.device[0].class = ATA_DEV_NONE; |
35a39691 BK |
6214 | |
6215 | out_unlock: | |
6216 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); | |
6217 | LEAVE; | |
6218 | } | |
6219 | ||
6220 | /** | |
6221 | * ipr_ata_post_internal - Cleanup after an internal command | |
6222 | * @qc: ATA queued command | |
6223 | * | |
6224 | * Return value: | |
6225 | * none | |
6226 | **/ | |
6227 | static void ipr_ata_post_internal(struct ata_queued_cmd *qc) | |
6228 | { | |
6229 | struct ipr_sata_port *sata_port = qc->ap->private_data; | |
6230 | struct ipr_ioa_cfg *ioa_cfg = sata_port->ioa_cfg; | |
6231 | struct ipr_cmnd *ipr_cmd; | |
05a6538a | 6232 | struct ipr_hrr_queue *hrrq; |
35a39691 BK |
6233 | unsigned long flags; |
6234 | ||
6235 | spin_lock_irqsave(ioa_cfg->host->host_lock, flags); | |
203fa3fe | 6236 | while (ioa_cfg->in_reset_reload) { |
73d98ff0 BK |
6237 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); |
6238 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
6239 | spin_lock_irqsave(ioa_cfg->host->host_lock, flags); | |
6240 | } | |
6241 | ||
05a6538a | 6242 | for_each_hrrq(hrrq, ioa_cfg) { |
6243 | list_for_each_entry(ipr_cmd, &hrrq->hrrq_pending_q, queue) { | |
6244 | if (ipr_cmd->qc == qc) { | |
6245 | ipr_device_reset(ioa_cfg, sata_port->res); | |
6246 | break; | |
6247 | } | |
35a39691 BK |
6248 | } |
6249 | } | |
6250 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); | |
6251 | } | |
6252 | ||
35a39691 BK |
6253 | /** |
6254 | * ipr_copy_sata_tf - Copy a SATA taskfile to an IOA data structure | |
6255 | * @regs: destination | |
6256 | * @tf: source ATA taskfile | |
6257 | * | |
6258 | * Return value: | |
6259 | * none | |
6260 | **/ | |
6261 | static void ipr_copy_sata_tf(struct ipr_ioarcb_ata_regs *regs, | |
6262 | struct ata_taskfile *tf) | |
6263 | { | |
6264 | regs->feature = tf->feature; | |
6265 | regs->nsect = tf->nsect; | |
6266 | regs->lbal = tf->lbal; | |
6267 | regs->lbam = tf->lbam; | |
6268 | regs->lbah = tf->lbah; | |
6269 | regs->device = tf->device; | |
6270 | regs->command = tf->command; | |
6271 | regs->hob_feature = tf->hob_feature; | |
6272 | regs->hob_nsect = tf->hob_nsect; | |
6273 | regs->hob_lbal = tf->hob_lbal; | |
6274 | regs->hob_lbam = tf->hob_lbam; | |
6275 | regs->hob_lbah = tf->hob_lbah; | |
6276 | regs->ctl = tf->ctl; | |
6277 | } | |
6278 | ||
6279 | /** | |
6280 | * ipr_sata_done - done function for SATA commands | |
6281 | * @ipr_cmd: ipr command struct | |
6282 | * | |
6283 | * This function is invoked by the interrupt handler for | |
6284 | * ops generated by the SCSI mid-layer to SATA devices | |
6285 | * | |
6286 | * Return value: | |
6287 | * none | |
6288 | **/ | |
6289 | static void ipr_sata_done(struct ipr_cmnd *ipr_cmd) | |
6290 | { | |
6291 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
6292 | struct ata_queued_cmd *qc = ipr_cmd->qc; | |
6293 | struct ipr_sata_port *sata_port = qc->ap->private_data; | |
6294 | struct ipr_resource_entry *res = sata_port->res; | |
96d21f00 | 6295 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
35a39691 | 6296 | |
96d21f00 WB |
6297 | if (ipr_cmd->ioa_cfg->sis64) |
6298 | memcpy(&sata_port->ioasa, &ipr_cmd->s.ioasa64.u.gata, | |
6299 | sizeof(struct ipr_ioasa_gata)); | |
6300 | else | |
6301 | memcpy(&sata_port->ioasa, &ipr_cmd->s.ioasa.u.gata, | |
6302 | sizeof(struct ipr_ioasa_gata)); | |
35a39691 BK |
6303 | ipr_dump_ioasa(ioa_cfg, ipr_cmd, res); |
6304 | ||
96d21f00 | 6305 | if (be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc_specific) & IPR_ATA_DEVICE_WAS_RESET) |
3e7ebdfa | 6306 | scsi_report_device_reset(ioa_cfg->host, res->bus, res->target); |
35a39691 BK |
6307 | |
6308 | if (IPR_IOASC_SENSE_KEY(ioasc) > RECOVERED_ERROR) | |
96d21f00 | 6309 | qc->err_mask |= __ac_err_mask(sata_port->ioasa.status); |
35a39691 | 6310 | else |
96d21f00 | 6311 | qc->err_mask |= ac_err_mask(sata_port->ioasa.status); |
05a6538a | 6312 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
35a39691 BK |
6313 | ata_qc_complete(qc); |
6314 | } | |
6315 | ||
a32c055f WB |
6316 | /** |
6317 | * ipr_build_ata_ioadl64 - Build an ATA scatter/gather list | |
6318 | * @ipr_cmd: ipr command struct | |
6319 | * @qc: ATA queued command | |
6320 | * | |
6321 | **/ | |
6322 | static void ipr_build_ata_ioadl64(struct ipr_cmnd *ipr_cmd, | |
6323 | struct ata_queued_cmd *qc) | |
6324 | { | |
6325 | u32 ioadl_flags = 0; | |
6326 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
6327 | struct ipr_ioadl64_desc *ioadl64 = ipr_cmd->i.ioadl64; | |
6328 | struct ipr_ioadl64_desc *last_ioadl64 = NULL; | |
6329 | int len = qc->nbytes; | |
6330 | struct scatterlist *sg; | |
6331 | unsigned int si; | |
6332 | dma_addr_t dma_addr = ipr_cmd->dma_addr; | |
6333 | ||
6334 | if (len == 0) | |
6335 | return; | |
6336 | ||
6337 | if (qc->dma_dir == DMA_TO_DEVICE) { | |
6338 | ioadl_flags = IPR_IOADL_FLAGS_WRITE; | |
6339 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ; | |
6340 | } else if (qc->dma_dir == DMA_FROM_DEVICE) | |
6341 | ioadl_flags = IPR_IOADL_FLAGS_READ; | |
6342 | ||
6343 | ioarcb->data_transfer_length = cpu_to_be32(len); | |
6344 | ioarcb->ioadl_len = | |
6345 | cpu_to_be32(sizeof(struct ipr_ioadl64_desc) * ipr_cmd->dma_use_sg); | |
6346 | ioarcb->u.sis64_addr_data.data_ioadl_addr = | |
6347 | cpu_to_be64(dma_addr + offsetof(struct ipr_cmnd, i.ata_ioadl)); | |
6348 | ||
6349 | for_each_sg(qc->sg, sg, qc->n_elem, si) { | |
6350 | ioadl64->flags = cpu_to_be32(ioadl_flags); | |
6351 | ioadl64->data_len = cpu_to_be32(sg_dma_len(sg)); | |
6352 | ioadl64->address = cpu_to_be64(sg_dma_address(sg)); | |
6353 | ||
6354 | last_ioadl64 = ioadl64; | |
6355 | ioadl64++; | |
6356 | } | |
6357 | ||
6358 | if (likely(last_ioadl64)) | |
6359 | last_ioadl64->flags |= cpu_to_be32(IPR_IOADL_FLAGS_LAST); | |
6360 | } | |
6361 | ||
35a39691 BK |
6362 | /** |
6363 | * ipr_build_ata_ioadl - Build an ATA scatter/gather list | |
6364 | * @ipr_cmd: ipr command struct | |
6365 | * @qc: ATA queued command | |
6366 | * | |
6367 | **/ | |
6368 | static void ipr_build_ata_ioadl(struct ipr_cmnd *ipr_cmd, | |
6369 | struct ata_queued_cmd *qc) | |
6370 | { | |
6371 | u32 ioadl_flags = 0; | |
6372 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
a32c055f | 6373 | struct ipr_ioadl_desc *ioadl = ipr_cmd->i.ioadl; |
3be6cbd7 | 6374 | struct ipr_ioadl_desc *last_ioadl = NULL; |
dde20207 | 6375 | int len = qc->nbytes; |
35a39691 | 6376 | struct scatterlist *sg; |
ff2aeb1e | 6377 | unsigned int si; |
35a39691 BK |
6378 | |
6379 | if (len == 0) | |
6380 | return; | |
6381 | ||
6382 | if (qc->dma_dir == DMA_TO_DEVICE) { | |
6383 | ioadl_flags = IPR_IOADL_FLAGS_WRITE; | |
6384 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ; | |
a32c055f WB |
6385 | ioarcb->data_transfer_length = cpu_to_be32(len); |
6386 | ioarcb->ioadl_len = | |
35a39691 BK |
6387 | cpu_to_be32(sizeof(struct ipr_ioadl_desc) * ipr_cmd->dma_use_sg); |
6388 | } else if (qc->dma_dir == DMA_FROM_DEVICE) { | |
6389 | ioadl_flags = IPR_IOADL_FLAGS_READ; | |
6390 | ioarcb->read_data_transfer_length = cpu_to_be32(len); | |
6391 | ioarcb->read_ioadl_len = | |
6392 | cpu_to_be32(sizeof(struct ipr_ioadl_desc) * ipr_cmd->dma_use_sg); | |
6393 | } | |
6394 | ||
ff2aeb1e | 6395 | for_each_sg(qc->sg, sg, qc->n_elem, si) { |
35a39691 BK |
6396 | ioadl->flags_and_data_len = cpu_to_be32(ioadl_flags | sg_dma_len(sg)); |
6397 | ioadl->address = cpu_to_be32(sg_dma_address(sg)); | |
3be6cbd7 JG |
6398 | |
6399 | last_ioadl = ioadl; | |
6400 | ioadl++; | |
35a39691 | 6401 | } |
3be6cbd7 JG |
6402 | |
6403 | if (likely(last_ioadl)) | |
6404 | last_ioadl->flags_and_data_len |= cpu_to_be32(IPR_IOADL_FLAGS_LAST); | |
35a39691 BK |
6405 | } |
6406 | ||
6407 | /** | |
6408 | * ipr_qc_issue - Issue a SATA qc to a device | |
6409 | * @qc: queued command | |
6410 | * | |
6411 | * Return value: | |
6412 | * 0 if success | |
6413 | **/ | |
6414 | static unsigned int ipr_qc_issue(struct ata_queued_cmd *qc) | |
6415 | { | |
6416 | struct ata_port *ap = qc->ap; | |
6417 | struct ipr_sata_port *sata_port = ap->private_data; | |
6418 | struct ipr_resource_entry *res = sata_port->res; | |
6419 | struct ipr_ioa_cfg *ioa_cfg = sata_port->ioa_cfg; | |
6420 | struct ipr_cmnd *ipr_cmd; | |
6421 | struct ipr_ioarcb *ioarcb; | |
6422 | struct ipr_ioarcb_ata_regs *regs; | |
05a6538a | 6423 | struct ipr_hrr_queue *hrrq; |
6424 | int hrrq_id; | |
35a39691 BK |
6425 | |
6426 | if (unlikely(!ioa_cfg->allow_cmds || ioa_cfg->ioa_is_dead)) | |
0feeed82 | 6427 | return AC_ERR_SYSTEM; |
35a39691 | 6428 | |
05a6538a | 6429 | hrrq_id = ipr_get_hrrq_index(ioa_cfg); |
6430 | hrrq = &ioa_cfg->hrrq[hrrq_id]; | |
6431 | ipr_cmd = __ipr_get_free_ipr_cmnd(hrrq); | |
6432 | ipr_init_ipr_cmnd(ipr_cmd, ipr_lock_and_done); | |
35a39691 | 6433 | ioarcb = &ipr_cmd->ioarcb; |
35a39691 | 6434 | |
a32c055f WB |
6435 | if (ioa_cfg->sis64) { |
6436 | regs = &ipr_cmd->i.ata_ioadl.regs; | |
6437 | ioarcb->add_cmd_parms_offset = cpu_to_be16(sizeof(*ioarcb)); | |
6438 | } else | |
6439 | regs = &ioarcb->u.add_data.u.regs; | |
6440 | ||
6441 | memset(regs, 0, sizeof(*regs)); | |
6442 | ioarcb->add_cmd_parms_len = cpu_to_be16(sizeof(*regs)); | |
35a39691 | 6443 | |
05a6538a | 6444 | list_add_tail(&ipr_cmd->queue, &hrrq->hrrq_pending_q); |
35a39691 BK |
6445 | ipr_cmd->qc = qc; |
6446 | ipr_cmd->done = ipr_sata_done; | |
3e7ebdfa | 6447 | ipr_cmd->ioarcb.res_handle = res->res_handle; |
35a39691 BK |
6448 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_ATA_PASSTHRU; |
6449 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_NO_LINK_DESC; | |
6450 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_NO_ULEN_CHK; | |
dde20207 | 6451 | ipr_cmd->dma_use_sg = qc->n_elem; |
35a39691 | 6452 | |
a32c055f WB |
6453 | if (ioa_cfg->sis64) |
6454 | ipr_build_ata_ioadl64(ipr_cmd, qc); | |
6455 | else | |
6456 | ipr_build_ata_ioadl(ipr_cmd, qc); | |
6457 | ||
35a39691 BK |
6458 | regs->flags |= IPR_ATA_FLAG_STATUS_ON_GOOD_COMPLETION; |
6459 | ipr_copy_sata_tf(regs, &qc->tf); | |
6460 | memcpy(ioarcb->cmd_pkt.cdb, qc->cdb, IPR_MAX_CDB_LEN); | |
3e7ebdfa | 6461 | ipr_trc_hook(ipr_cmd, IPR_TRACE_START, IPR_GET_RES_PHYS_LOC(res)); |
35a39691 BK |
6462 | |
6463 | switch (qc->tf.protocol) { | |
6464 | case ATA_PROT_NODATA: | |
6465 | case ATA_PROT_PIO: | |
6466 | break; | |
6467 | ||
6468 | case ATA_PROT_DMA: | |
6469 | regs->flags |= IPR_ATA_FLAG_XFER_TYPE_DMA; | |
6470 | break; | |
6471 | ||
0dc36888 TH |
6472 | case ATAPI_PROT_PIO: |
6473 | case ATAPI_PROT_NODATA: | |
35a39691 BK |
6474 | regs->flags |= IPR_ATA_FLAG_PACKET_CMD; |
6475 | break; | |
6476 | ||
0dc36888 | 6477 | case ATAPI_PROT_DMA: |
35a39691 BK |
6478 | regs->flags |= IPR_ATA_FLAG_PACKET_CMD; |
6479 | regs->flags |= IPR_ATA_FLAG_XFER_TYPE_DMA; | |
6480 | break; | |
6481 | ||
6482 | default: | |
6483 | WARN_ON(1); | |
0feeed82 | 6484 | return AC_ERR_INVALID; |
35a39691 BK |
6485 | } |
6486 | ||
a32c055f WB |
6487 | ipr_send_command(ipr_cmd); |
6488 | ||
35a39691 BK |
6489 | return 0; |
6490 | } | |
6491 | ||
4c9bf4e7 TH |
6492 | /** |
6493 | * ipr_qc_fill_rtf - Read result TF | |
6494 | * @qc: ATA queued command | |
6495 | * | |
6496 | * Return value: | |
6497 | * true | |
6498 | **/ | |
6499 | static bool ipr_qc_fill_rtf(struct ata_queued_cmd *qc) | |
6500 | { | |
6501 | struct ipr_sata_port *sata_port = qc->ap->private_data; | |
6502 | struct ipr_ioasa_gata *g = &sata_port->ioasa; | |
6503 | struct ata_taskfile *tf = &qc->result_tf; | |
6504 | ||
6505 | tf->feature = g->error; | |
6506 | tf->nsect = g->nsect; | |
6507 | tf->lbal = g->lbal; | |
6508 | tf->lbam = g->lbam; | |
6509 | tf->lbah = g->lbah; | |
6510 | tf->device = g->device; | |
6511 | tf->command = g->status; | |
6512 | tf->hob_nsect = g->hob_nsect; | |
6513 | tf->hob_lbal = g->hob_lbal; | |
6514 | tf->hob_lbam = g->hob_lbam; | |
6515 | tf->hob_lbah = g->hob_lbah; | |
6516 | tf->ctl = g->alt_status; | |
6517 | ||
6518 | return true; | |
6519 | } | |
6520 | ||
35a39691 | 6521 | static struct ata_port_operations ipr_sata_ops = { |
35a39691 | 6522 | .phy_reset = ipr_ata_phy_reset, |
a1efdaba | 6523 | .hardreset = ipr_sata_reset, |
35a39691 | 6524 | .post_internal_cmd = ipr_ata_post_internal, |
35a39691 BK |
6525 | .qc_prep = ata_noop_qc_prep, |
6526 | .qc_issue = ipr_qc_issue, | |
4c9bf4e7 | 6527 | .qc_fill_rtf = ipr_qc_fill_rtf, |
35a39691 BK |
6528 | .port_start = ata_sas_port_start, |
6529 | .port_stop = ata_sas_port_stop | |
6530 | }; | |
6531 | ||
6532 | static struct ata_port_info sata_port_info = { | |
9cbe056f | 6533 | .flags = ATA_FLAG_SATA | ATA_FLAG_PIO_DMA, |
0f2e0330 SS |
6534 | .pio_mask = ATA_PIO4_ONLY, |
6535 | .mwdma_mask = ATA_MWDMA2, | |
6536 | .udma_mask = ATA_UDMA6, | |
35a39691 BK |
6537 | .port_ops = &ipr_sata_ops |
6538 | }; | |
6539 | ||
1da177e4 LT |
6540 | #ifdef CONFIG_PPC_PSERIES |
6541 | static const u16 ipr_blocked_processors[] = { | |
d3dbeef6 ME |
6542 | PVR_NORTHSTAR, |
6543 | PVR_PULSAR, | |
6544 | PVR_POWER4, | |
6545 | PVR_ICESTAR, | |
6546 | PVR_SSTAR, | |
6547 | PVR_POWER4p, | |
6548 | PVR_630, | |
6549 | PVR_630p | |
1da177e4 LT |
6550 | }; |
6551 | ||
6552 | /** | |
6553 | * ipr_invalid_adapter - Determine if this adapter is supported on this hardware | |
6554 | * @ioa_cfg: ioa cfg struct | |
6555 | * | |
6556 | * Adapters that use Gemstone revision < 3.1 do not work reliably on | |
6557 | * certain pSeries hardware. This function determines if the given | |
6558 | * adapter is in one of these confgurations or not. | |
6559 | * | |
6560 | * Return value: | |
6561 | * 1 if adapter is not supported / 0 if adapter is supported | |
6562 | **/ | |
6563 | static int ipr_invalid_adapter(struct ipr_ioa_cfg *ioa_cfg) | |
6564 | { | |
1da177e4 LT |
6565 | int i; |
6566 | ||
44c10138 | 6567 | if ((ioa_cfg->type == 0x5702) && (ioa_cfg->pdev->revision < 4)) { |
203fa3fe | 6568 | for (i = 0; i < ARRAY_SIZE(ipr_blocked_processors); i++) { |
d3dbeef6 | 6569 | if (pvr_version_is(ipr_blocked_processors[i])) |
44c10138 | 6570 | return 1; |
1da177e4 LT |
6571 | } |
6572 | } | |
6573 | return 0; | |
6574 | } | |
6575 | #else | |
6576 | #define ipr_invalid_adapter(ioa_cfg) 0 | |
6577 | #endif | |
6578 | ||
6579 | /** | |
6580 | * ipr_ioa_bringdown_done - IOA bring down completion. | |
6581 | * @ipr_cmd: ipr command struct | |
6582 | * | |
6583 | * This function processes the completion of an adapter bring down. | |
6584 | * It wakes any reset sleepers. | |
6585 | * | |
6586 | * Return value: | |
6587 | * IPR_RC_JOB_RETURN | |
6588 | **/ | |
6589 | static int ipr_ioa_bringdown_done(struct ipr_cmnd *ipr_cmd) | |
6590 | { | |
6591 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
6592 | ||
6593 | ENTER; | |
6594 | ioa_cfg->in_reset_reload = 0; | |
6595 | ioa_cfg->reset_retries = 0; | |
05a6538a | 6596 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
1da177e4 LT |
6597 | wake_up_all(&ioa_cfg->reset_wait_q); |
6598 | ||
6599 | spin_unlock_irq(ioa_cfg->host->host_lock); | |
6600 | scsi_unblock_requests(ioa_cfg->host); | |
6601 | spin_lock_irq(ioa_cfg->host->host_lock); | |
6602 | LEAVE; | |
6603 | ||
6604 | return IPR_RC_JOB_RETURN; | |
6605 | } | |
6606 | ||
6607 | /** | |
6608 | * ipr_ioa_reset_done - IOA reset completion. | |
6609 | * @ipr_cmd: ipr command struct | |
6610 | * | |
6611 | * This function processes the completion of an adapter reset. | |
6612 | * It schedules any necessary mid-layer add/removes and | |
6613 | * wakes any reset sleepers. | |
6614 | * | |
6615 | * Return value: | |
6616 | * IPR_RC_JOB_RETURN | |
6617 | **/ | |
6618 | static int ipr_ioa_reset_done(struct ipr_cmnd *ipr_cmd) | |
6619 | { | |
6620 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
6621 | struct ipr_resource_entry *res; | |
6622 | struct ipr_hostrcb *hostrcb, *temp; | |
6623 | int i = 0; | |
6624 | ||
6625 | ENTER; | |
6626 | ioa_cfg->in_reset_reload = 0; | |
6627 | ioa_cfg->allow_cmds = 1; | |
6628 | ioa_cfg->reset_cmd = NULL; | |
3d1d0da6 | 6629 | ioa_cfg->doorbell |= IPR_RUNTIME_RESET; |
1da177e4 LT |
6630 | |
6631 | list_for_each_entry(res, &ioa_cfg->used_res_q, queue) { | |
6632 | if (ioa_cfg->allow_ml_add_del && (res->add_to_ml || res->del_from_ml)) { | |
6633 | ipr_trace; | |
6634 | break; | |
6635 | } | |
6636 | } | |
6637 | schedule_work(&ioa_cfg->work_q); | |
6638 | ||
6639 | list_for_each_entry_safe(hostrcb, temp, &ioa_cfg->hostrcb_free_q, queue) { | |
6640 | list_del(&hostrcb->queue); | |
6641 | if (i++ < IPR_NUM_LOG_HCAMS) | |
6642 | ipr_send_hcam(ioa_cfg, IPR_HCAM_CDB_OP_CODE_LOG_DATA, hostrcb); | |
6643 | else | |
6644 | ipr_send_hcam(ioa_cfg, IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE, hostrcb); | |
6645 | } | |
6646 | ||
6bb04170 | 6647 | scsi_report_bus_reset(ioa_cfg->host, IPR_VSET_BUS); |
1da177e4 LT |
6648 | dev_info(&ioa_cfg->pdev->dev, "IOA initialized.\n"); |
6649 | ||
6650 | ioa_cfg->reset_retries = 0; | |
05a6538a | 6651 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
1da177e4 LT |
6652 | wake_up_all(&ioa_cfg->reset_wait_q); |
6653 | ||
30237853 | 6654 | spin_unlock(ioa_cfg->host->host_lock); |
1da177e4 | 6655 | scsi_unblock_requests(ioa_cfg->host); |
30237853 | 6656 | spin_lock(ioa_cfg->host->host_lock); |
1da177e4 LT |
6657 | |
6658 | if (!ioa_cfg->allow_cmds) | |
6659 | scsi_block_requests(ioa_cfg->host); | |
6660 | ||
6661 | LEAVE; | |
6662 | return IPR_RC_JOB_RETURN; | |
6663 | } | |
6664 | ||
6665 | /** | |
6666 | * ipr_set_sup_dev_dflt - Initialize a Set Supported Device buffer | |
6667 | * @supported_dev: supported device struct | |
6668 | * @vpids: vendor product id struct | |
6669 | * | |
6670 | * Return value: | |
6671 | * none | |
6672 | **/ | |
6673 | static void ipr_set_sup_dev_dflt(struct ipr_supported_device *supported_dev, | |
6674 | struct ipr_std_inq_vpids *vpids) | |
6675 | { | |
6676 | memset(supported_dev, 0, sizeof(struct ipr_supported_device)); | |
6677 | memcpy(&supported_dev->vpids, vpids, sizeof(struct ipr_std_inq_vpids)); | |
6678 | supported_dev->num_records = 1; | |
6679 | supported_dev->data_length = | |
6680 | cpu_to_be16(sizeof(struct ipr_supported_device)); | |
6681 | supported_dev->reserved = 0; | |
6682 | } | |
6683 | ||
6684 | /** | |
6685 | * ipr_set_supported_devs - Send Set Supported Devices for a device | |
6686 | * @ipr_cmd: ipr command struct | |
6687 | * | |
a32c055f | 6688 | * This function sends a Set Supported Devices to the adapter |
1da177e4 LT |
6689 | * |
6690 | * Return value: | |
6691 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
6692 | **/ | |
6693 | static int ipr_set_supported_devs(struct ipr_cmnd *ipr_cmd) | |
6694 | { | |
6695 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
6696 | struct ipr_supported_device *supp_dev = &ioa_cfg->vpd_cbs->supp_dev; | |
1da177e4 LT |
6697 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; |
6698 | struct ipr_resource_entry *res = ipr_cmd->u.res; | |
6699 | ||
6700 | ipr_cmd->job_step = ipr_ioa_reset_done; | |
6701 | ||
6702 | list_for_each_entry_continue(res, &ioa_cfg->used_res_q, queue) { | |
e4fbf44e | 6703 | if (!ipr_is_scsi_disk(res)) |
1da177e4 LT |
6704 | continue; |
6705 | ||
6706 | ipr_cmd->u.res = res; | |
3e7ebdfa | 6707 | ipr_set_sup_dev_dflt(supp_dev, &res->std_inq_data.vpids); |
1da177e4 LT |
6708 | |
6709 | ioarcb->res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE); | |
6710 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ; | |
6711 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_IOACMD; | |
6712 | ||
6713 | ioarcb->cmd_pkt.cdb[0] = IPR_SET_SUPPORTED_DEVICES; | |
3e7ebdfa | 6714 | ioarcb->cmd_pkt.cdb[1] = IPR_SET_ALL_SUPPORTED_DEVICES; |
1da177e4 LT |
6715 | ioarcb->cmd_pkt.cdb[7] = (sizeof(struct ipr_supported_device) >> 8) & 0xff; |
6716 | ioarcb->cmd_pkt.cdb[8] = sizeof(struct ipr_supported_device) & 0xff; | |
6717 | ||
a32c055f WB |
6718 | ipr_init_ioadl(ipr_cmd, |
6719 | ioa_cfg->vpd_cbs_dma + | |
6720 | offsetof(struct ipr_misc_cbs, supp_dev), | |
6721 | sizeof(struct ipr_supported_device), | |
6722 | IPR_IOADL_FLAGS_WRITE_LAST); | |
1da177e4 LT |
6723 | |
6724 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, | |
6725 | IPR_SET_SUP_DEVICE_TIMEOUT); | |
6726 | ||
3e7ebdfa WB |
6727 | if (!ioa_cfg->sis64) |
6728 | ipr_cmd->job_step = ipr_set_supported_devs; | |
05a6538a | 6729 | LEAVE; |
1da177e4 LT |
6730 | return IPR_RC_JOB_RETURN; |
6731 | } | |
6732 | ||
05a6538a | 6733 | LEAVE; |
1da177e4 LT |
6734 | return IPR_RC_JOB_CONTINUE; |
6735 | } | |
6736 | ||
6737 | /** | |
6738 | * ipr_get_mode_page - Locate specified mode page | |
6739 | * @mode_pages: mode page buffer | |
6740 | * @page_code: page code to find | |
6741 | * @len: minimum required length for mode page | |
6742 | * | |
6743 | * Return value: | |
6744 | * pointer to mode page / NULL on failure | |
6745 | **/ | |
6746 | static void *ipr_get_mode_page(struct ipr_mode_pages *mode_pages, | |
6747 | u32 page_code, u32 len) | |
6748 | { | |
6749 | struct ipr_mode_page_hdr *mode_hdr; | |
6750 | u32 page_length; | |
6751 | u32 length; | |
6752 | ||
6753 | if (!mode_pages || (mode_pages->hdr.length == 0)) | |
6754 | return NULL; | |
6755 | ||
6756 | length = (mode_pages->hdr.length + 1) - 4 - mode_pages->hdr.block_desc_len; | |
6757 | mode_hdr = (struct ipr_mode_page_hdr *) | |
6758 | (mode_pages->data + mode_pages->hdr.block_desc_len); | |
6759 | ||
6760 | while (length) { | |
6761 | if (IPR_GET_MODE_PAGE_CODE(mode_hdr) == page_code) { | |
6762 | if (mode_hdr->page_length >= (len - sizeof(struct ipr_mode_page_hdr))) | |
6763 | return mode_hdr; | |
6764 | break; | |
6765 | } else { | |
6766 | page_length = (sizeof(struct ipr_mode_page_hdr) + | |
6767 | mode_hdr->page_length); | |
6768 | length -= page_length; | |
6769 | mode_hdr = (struct ipr_mode_page_hdr *) | |
6770 | ((unsigned long)mode_hdr + page_length); | |
6771 | } | |
6772 | } | |
6773 | return NULL; | |
6774 | } | |
6775 | ||
6776 | /** | |
6777 | * ipr_check_term_power - Check for term power errors | |
6778 | * @ioa_cfg: ioa config struct | |
6779 | * @mode_pages: IOAFP mode pages buffer | |
6780 | * | |
6781 | * Check the IOAFP's mode page 28 for term power errors | |
6782 | * | |
6783 | * Return value: | |
6784 | * nothing | |
6785 | **/ | |
6786 | static void ipr_check_term_power(struct ipr_ioa_cfg *ioa_cfg, | |
6787 | struct ipr_mode_pages *mode_pages) | |
6788 | { | |
6789 | int i; | |
6790 | int entry_length; | |
6791 | struct ipr_dev_bus_entry *bus; | |
6792 | struct ipr_mode_page28 *mode_page; | |
6793 | ||
6794 | mode_page = ipr_get_mode_page(mode_pages, 0x28, | |
6795 | sizeof(struct ipr_mode_page28)); | |
6796 | ||
6797 | entry_length = mode_page->entry_length; | |
6798 | ||
6799 | bus = mode_page->bus; | |
6800 | ||
6801 | for (i = 0; i < mode_page->num_entries; i++) { | |
6802 | if (bus->flags & IPR_SCSI_ATTR_NO_TERM_PWR) { | |
6803 | dev_err(&ioa_cfg->pdev->dev, | |
6804 | "Term power is absent on scsi bus %d\n", | |
6805 | bus->res_addr.bus); | |
6806 | } | |
6807 | ||
6808 | bus = (struct ipr_dev_bus_entry *)((char *)bus + entry_length); | |
6809 | } | |
6810 | } | |
6811 | ||
6812 | /** | |
6813 | * ipr_scsi_bus_speed_limit - Limit the SCSI speed based on SES table | |
6814 | * @ioa_cfg: ioa config struct | |
6815 | * | |
6816 | * Looks through the config table checking for SES devices. If | |
6817 | * the SES device is in the SES table indicating a maximum SCSI | |
6818 | * bus speed, the speed is limited for the bus. | |
6819 | * | |
6820 | * Return value: | |
6821 | * none | |
6822 | **/ | |
6823 | static void ipr_scsi_bus_speed_limit(struct ipr_ioa_cfg *ioa_cfg) | |
6824 | { | |
6825 | u32 max_xfer_rate; | |
6826 | int i; | |
6827 | ||
6828 | for (i = 0; i < IPR_MAX_NUM_BUSES; i++) { | |
6829 | max_xfer_rate = ipr_get_max_scsi_speed(ioa_cfg, i, | |
6830 | ioa_cfg->bus_attr[i].bus_width); | |
6831 | ||
6832 | if (max_xfer_rate < ioa_cfg->bus_attr[i].max_xfer_rate) | |
6833 | ioa_cfg->bus_attr[i].max_xfer_rate = max_xfer_rate; | |
6834 | } | |
6835 | } | |
6836 | ||
6837 | /** | |
6838 | * ipr_modify_ioafp_mode_page_28 - Modify IOAFP Mode Page 28 | |
6839 | * @ioa_cfg: ioa config struct | |
6840 | * @mode_pages: mode page 28 buffer | |
6841 | * | |
6842 | * Updates mode page 28 based on driver configuration | |
6843 | * | |
6844 | * Return value: | |
6845 | * none | |
6846 | **/ | |
6847 | static void ipr_modify_ioafp_mode_page_28(struct ipr_ioa_cfg *ioa_cfg, | |
203fa3fe | 6848 | struct ipr_mode_pages *mode_pages) |
1da177e4 LT |
6849 | { |
6850 | int i, entry_length; | |
6851 | struct ipr_dev_bus_entry *bus; | |
6852 | struct ipr_bus_attributes *bus_attr; | |
6853 | struct ipr_mode_page28 *mode_page; | |
6854 | ||
6855 | mode_page = ipr_get_mode_page(mode_pages, 0x28, | |
6856 | sizeof(struct ipr_mode_page28)); | |
6857 | ||
6858 | entry_length = mode_page->entry_length; | |
6859 | ||
6860 | /* Loop for each device bus entry */ | |
6861 | for (i = 0, bus = mode_page->bus; | |
6862 | i < mode_page->num_entries; | |
6863 | i++, bus = (struct ipr_dev_bus_entry *)((u8 *)bus + entry_length)) { | |
6864 | if (bus->res_addr.bus > IPR_MAX_NUM_BUSES) { | |
6865 | dev_err(&ioa_cfg->pdev->dev, | |
6866 | "Invalid resource address reported: 0x%08X\n", | |
6867 | IPR_GET_PHYS_LOC(bus->res_addr)); | |
6868 | continue; | |
6869 | } | |
6870 | ||
6871 | bus_attr = &ioa_cfg->bus_attr[i]; | |
6872 | bus->extended_reset_delay = IPR_EXTENDED_RESET_DELAY; | |
6873 | bus->bus_width = bus_attr->bus_width; | |
6874 | bus->max_xfer_rate = cpu_to_be32(bus_attr->max_xfer_rate); | |
6875 | bus->flags &= ~IPR_SCSI_ATTR_QAS_MASK; | |
6876 | if (bus_attr->qas_enabled) | |
6877 | bus->flags |= IPR_SCSI_ATTR_ENABLE_QAS; | |
6878 | else | |
6879 | bus->flags |= IPR_SCSI_ATTR_DISABLE_QAS; | |
6880 | } | |
6881 | } | |
6882 | ||
6883 | /** | |
6884 | * ipr_build_mode_select - Build a mode select command | |
6885 | * @ipr_cmd: ipr command struct | |
6886 | * @res_handle: resource handle to send command to | |
6887 | * @parm: Byte 2 of Mode Sense command | |
6888 | * @dma_addr: DMA buffer address | |
6889 | * @xfer_len: data transfer length | |
6890 | * | |
6891 | * Return value: | |
6892 | * none | |
6893 | **/ | |
6894 | static void ipr_build_mode_select(struct ipr_cmnd *ipr_cmd, | |
a32c055f WB |
6895 | __be32 res_handle, u8 parm, |
6896 | dma_addr_t dma_addr, u8 xfer_len) | |
1da177e4 | 6897 | { |
1da177e4 LT |
6898 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; |
6899 | ||
6900 | ioarcb->res_handle = res_handle; | |
6901 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_SCSICDB; | |
6902 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ; | |
6903 | ioarcb->cmd_pkt.cdb[0] = MODE_SELECT; | |
6904 | ioarcb->cmd_pkt.cdb[1] = parm; | |
6905 | ioarcb->cmd_pkt.cdb[4] = xfer_len; | |
6906 | ||
a32c055f | 6907 | ipr_init_ioadl(ipr_cmd, dma_addr, xfer_len, IPR_IOADL_FLAGS_WRITE_LAST); |
1da177e4 LT |
6908 | } |
6909 | ||
6910 | /** | |
6911 | * ipr_ioafp_mode_select_page28 - Issue Mode Select Page 28 to IOA | |
6912 | * @ipr_cmd: ipr command struct | |
6913 | * | |
6914 | * This function sets up the SCSI bus attributes and sends | |
6915 | * a Mode Select for Page 28 to activate them. | |
6916 | * | |
6917 | * Return value: | |
6918 | * IPR_RC_JOB_RETURN | |
6919 | **/ | |
6920 | static int ipr_ioafp_mode_select_page28(struct ipr_cmnd *ipr_cmd) | |
6921 | { | |
6922 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
6923 | struct ipr_mode_pages *mode_pages = &ioa_cfg->vpd_cbs->mode_pages; | |
6924 | int length; | |
6925 | ||
6926 | ENTER; | |
4733804c BK |
6927 | ipr_scsi_bus_speed_limit(ioa_cfg); |
6928 | ipr_check_term_power(ioa_cfg, mode_pages); | |
6929 | ipr_modify_ioafp_mode_page_28(ioa_cfg, mode_pages); | |
6930 | length = mode_pages->hdr.length + 1; | |
6931 | mode_pages->hdr.length = 0; | |
1da177e4 LT |
6932 | |
6933 | ipr_build_mode_select(ipr_cmd, cpu_to_be32(IPR_IOA_RES_HANDLE), 0x11, | |
6934 | ioa_cfg->vpd_cbs_dma + offsetof(struct ipr_misc_cbs, mode_pages), | |
6935 | length); | |
6936 | ||
f72919ec WB |
6937 | ipr_cmd->job_step = ipr_set_supported_devs; |
6938 | ipr_cmd->u.res = list_entry(ioa_cfg->used_res_q.next, | |
6939 | struct ipr_resource_entry, queue); | |
1da177e4 LT |
6940 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, IPR_INTERNAL_TIMEOUT); |
6941 | ||
6942 | LEAVE; | |
6943 | return IPR_RC_JOB_RETURN; | |
6944 | } | |
6945 | ||
6946 | /** | |
6947 | * ipr_build_mode_sense - Builds a mode sense command | |
6948 | * @ipr_cmd: ipr command struct | |
6949 | * @res: resource entry struct | |
6950 | * @parm: Byte 2 of mode sense command | |
6951 | * @dma_addr: DMA address of mode sense buffer | |
6952 | * @xfer_len: Size of DMA buffer | |
6953 | * | |
6954 | * Return value: | |
6955 | * none | |
6956 | **/ | |
6957 | static void ipr_build_mode_sense(struct ipr_cmnd *ipr_cmd, | |
6958 | __be32 res_handle, | |
a32c055f | 6959 | u8 parm, dma_addr_t dma_addr, u8 xfer_len) |
1da177e4 | 6960 | { |
1da177e4 LT |
6961 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; |
6962 | ||
6963 | ioarcb->res_handle = res_handle; | |
6964 | ioarcb->cmd_pkt.cdb[0] = MODE_SENSE; | |
6965 | ioarcb->cmd_pkt.cdb[2] = parm; | |
6966 | ioarcb->cmd_pkt.cdb[4] = xfer_len; | |
6967 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_SCSICDB; | |
6968 | ||
a32c055f | 6969 | ipr_init_ioadl(ipr_cmd, dma_addr, xfer_len, IPR_IOADL_FLAGS_READ_LAST); |
1da177e4 LT |
6970 | } |
6971 | ||
dfed823e | 6972 | /** |
6973 | * ipr_reset_cmd_failed - Handle failure of IOA reset command | |
6974 | * @ipr_cmd: ipr command struct | |
6975 | * | |
6976 | * This function handles the failure of an IOA bringup command. | |
6977 | * | |
6978 | * Return value: | |
6979 | * IPR_RC_JOB_RETURN | |
6980 | **/ | |
6981 | static int ipr_reset_cmd_failed(struct ipr_cmnd *ipr_cmd) | |
6982 | { | |
6983 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
96d21f00 | 6984 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
dfed823e | 6985 | |
6986 | dev_err(&ioa_cfg->pdev->dev, | |
6987 | "0x%02X failed with IOASC: 0x%08X\n", | |
6988 | ipr_cmd->ioarcb.cmd_pkt.cdb[0], ioasc); | |
6989 | ||
6990 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); | |
05a6538a | 6991 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
dfed823e | 6992 | return IPR_RC_JOB_RETURN; |
6993 | } | |
6994 | ||
6995 | /** | |
6996 | * ipr_reset_mode_sense_failed - Handle failure of IOAFP mode sense | |
6997 | * @ipr_cmd: ipr command struct | |
6998 | * | |
6999 | * This function handles the failure of a Mode Sense to the IOAFP. | |
7000 | * Some adapters do not handle all mode pages. | |
7001 | * | |
7002 | * Return value: | |
7003 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
7004 | **/ | |
7005 | static int ipr_reset_mode_sense_failed(struct ipr_cmnd *ipr_cmd) | |
7006 | { | |
f72919ec | 7007 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; |
96d21f00 | 7008 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
dfed823e | 7009 | |
7010 | if (ioasc == IPR_IOASC_IR_INVALID_REQ_TYPE_OR_PKT) { | |
f72919ec WB |
7011 | ipr_cmd->job_step = ipr_set_supported_devs; |
7012 | ipr_cmd->u.res = list_entry(ioa_cfg->used_res_q.next, | |
7013 | struct ipr_resource_entry, queue); | |
dfed823e | 7014 | return IPR_RC_JOB_CONTINUE; |
7015 | } | |
7016 | ||
7017 | return ipr_reset_cmd_failed(ipr_cmd); | |
7018 | } | |
7019 | ||
1da177e4 LT |
7020 | /** |
7021 | * ipr_ioafp_mode_sense_page28 - Issue Mode Sense Page 28 to IOA | |
7022 | * @ipr_cmd: ipr command struct | |
7023 | * | |
7024 | * This function send a Page 28 mode sense to the IOA to | |
7025 | * retrieve SCSI bus attributes. | |
7026 | * | |
7027 | * Return value: | |
7028 | * IPR_RC_JOB_RETURN | |
7029 | **/ | |
7030 | static int ipr_ioafp_mode_sense_page28(struct ipr_cmnd *ipr_cmd) | |
7031 | { | |
7032 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7033 | ||
7034 | ENTER; | |
7035 | ipr_build_mode_sense(ipr_cmd, cpu_to_be32(IPR_IOA_RES_HANDLE), | |
7036 | 0x28, ioa_cfg->vpd_cbs_dma + | |
7037 | offsetof(struct ipr_misc_cbs, mode_pages), | |
7038 | sizeof(struct ipr_mode_pages)); | |
7039 | ||
7040 | ipr_cmd->job_step = ipr_ioafp_mode_select_page28; | |
dfed823e | 7041 | ipr_cmd->job_step_failed = ipr_reset_mode_sense_failed; |
1da177e4 LT |
7042 | |
7043 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, IPR_INTERNAL_TIMEOUT); | |
7044 | ||
7045 | LEAVE; | |
7046 | return IPR_RC_JOB_RETURN; | |
7047 | } | |
7048 | ||
ac09c349 BK |
7049 | /** |
7050 | * ipr_ioafp_mode_select_page24 - Issue Mode Select to IOA | |
7051 | * @ipr_cmd: ipr command struct | |
7052 | * | |
7053 | * This function enables dual IOA RAID support if possible. | |
7054 | * | |
7055 | * Return value: | |
7056 | * IPR_RC_JOB_RETURN | |
7057 | **/ | |
7058 | static int ipr_ioafp_mode_select_page24(struct ipr_cmnd *ipr_cmd) | |
7059 | { | |
7060 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7061 | struct ipr_mode_pages *mode_pages = &ioa_cfg->vpd_cbs->mode_pages; | |
7062 | struct ipr_mode_page24 *mode_page; | |
7063 | int length; | |
7064 | ||
7065 | ENTER; | |
7066 | mode_page = ipr_get_mode_page(mode_pages, 0x24, | |
7067 | sizeof(struct ipr_mode_page24)); | |
7068 | ||
7069 | if (mode_page) | |
7070 | mode_page->flags |= IPR_ENABLE_DUAL_IOA_AF; | |
7071 | ||
7072 | length = mode_pages->hdr.length + 1; | |
7073 | mode_pages->hdr.length = 0; | |
7074 | ||
7075 | ipr_build_mode_select(ipr_cmd, cpu_to_be32(IPR_IOA_RES_HANDLE), 0x11, | |
7076 | ioa_cfg->vpd_cbs_dma + offsetof(struct ipr_misc_cbs, mode_pages), | |
7077 | length); | |
7078 | ||
7079 | ipr_cmd->job_step = ipr_ioafp_mode_sense_page28; | |
7080 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, IPR_INTERNAL_TIMEOUT); | |
7081 | ||
7082 | LEAVE; | |
7083 | return IPR_RC_JOB_RETURN; | |
7084 | } | |
7085 | ||
7086 | /** | |
7087 | * ipr_reset_mode_sense_page24_failed - Handle failure of IOAFP mode sense | |
7088 | * @ipr_cmd: ipr command struct | |
7089 | * | |
7090 | * This function handles the failure of a Mode Sense to the IOAFP. | |
7091 | * Some adapters do not handle all mode pages. | |
7092 | * | |
7093 | * Return value: | |
7094 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
7095 | **/ | |
7096 | static int ipr_reset_mode_sense_page24_failed(struct ipr_cmnd *ipr_cmd) | |
7097 | { | |
96d21f00 | 7098 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
ac09c349 BK |
7099 | |
7100 | if (ioasc == IPR_IOASC_IR_INVALID_REQ_TYPE_OR_PKT) { | |
7101 | ipr_cmd->job_step = ipr_ioafp_mode_sense_page28; | |
7102 | return IPR_RC_JOB_CONTINUE; | |
7103 | } | |
7104 | ||
7105 | return ipr_reset_cmd_failed(ipr_cmd); | |
7106 | } | |
7107 | ||
7108 | /** | |
7109 | * ipr_ioafp_mode_sense_page24 - Issue Page 24 Mode Sense to IOA | |
7110 | * @ipr_cmd: ipr command struct | |
7111 | * | |
7112 | * This function send a mode sense to the IOA to retrieve | |
7113 | * the IOA Advanced Function Control mode page. | |
7114 | * | |
7115 | * Return value: | |
7116 | * IPR_RC_JOB_RETURN | |
7117 | **/ | |
7118 | static int ipr_ioafp_mode_sense_page24(struct ipr_cmnd *ipr_cmd) | |
7119 | { | |
7120 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7121 | ||
7122 | ENTER; | |
7123 | ipr_build_mode_sense(ipr_cmd, cpu_to_be32(IPR_IOA_RES_HANDLE), | |
7124 | 0x24, ioa_cfg->vpd_cbs_dma + | |
7125 | offsetof(struct ipr_misc_cbs, mode_pages), | |
7126 | sizeof(struct ipr_mode_pages)); | |
7127 | ||
7128 | ipr_cmd->job_step = ipr_ioafp_mode_select_page24; | |
7129 | ipr_cmd->job_step_failed = ipr_reset_mode_sense_page24_failed; | |
7130 | ||
7131 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, IPR_INTERNAL_TIMEOUT); | |
7132 | ||
7133 | LEAVE; | |
7134 | return IPR_RC_JOB_RETURN; | |
7135 | } | |
7136 | ||
1da177e4 LT |
7137 | /** |
7138 | * ipr_init_res_table - Initialize the resource table | |
7139 | * @ipr_cmd: ipr command struct | |
7140 | * | |
7141 | * This function looks through the existing resource table, comparing | |
7142 | * it with the config table. This function will take care of old/new | |
7143 | * devices and schedule adding/removing them from the mid-layer | |
7144 | * as appropriate. | |
7145 | * | |
7146 | * Return value: | |
7147 | * IPR_RC_JOB_CONTINUE | |
7148 | **/ | |
7149 | static int ipr_init_res_table(struct ipr_cmnd *ipr_cmd) | |
7150 | { | |
7151 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7152 | struct ipr_resource_entry *res, *temp; | |
3e7ebdfa WB |
7153 | struct ipr_config_table_entry_wrapper cfgtew; |
7154 | int entries, found, flag, i; | |
1da177e4 LT |
7155 | LIST_HEAD(old_res); |
7156 | ||
7157 | ENTER; | |
3e7ebdfa WB |
7158 | if (ioa_cfg->sis64) |
7159 | flag = ioa_cfg->u.cfg_table64->hdr64.flags; | |
7160 | else | |
7161 | flag = ioa_cfg->u.cfg_table->hdr.flags; | |
7162 | ||
7163 | if (flag & IPR_UCODE_DOWNLOAD_REQ) | |
1da177e4 LT |
7164 | dev_err(&ioa_cfg->pdev->dev, "Microcode download required\n"); |
7165 | ||
7166 | list_for_each_entry_safe(res, temp, &ioa_cfg->used_res_q, queue) | |
7167 | list_move_tail(&res->queue, &old_res); | |
7168 | ||
3e7ebdfa | 7169 | if (ioa_cfg->sis64) |
438b0331 | 7170 | entries = be16_to_cpu(ioa_cfg->u.cfg_table64->hdr64.num_entries); |
3e7ebdfa WB |
7171 | else |
7172 | entries = ioa_cfg->u.cfg_table->hdr.num_entries; | |
7173 | ||
7174 | for (i = 0; i < entries; i++) { | |
7175 | if (ioa_cfg->sis64) | |
7176 | cfgtew.u.cfgte64 = &ioa_cfg->u.cfg_table64->dev[i]; | |
7177 | else | |
7178 | cfgtew.u.cfgte = &ioa_cfg->u.cfg_table->dev[i]; | |
1da177e4 LT |
7179 | found = 0; |
7180 | ||
7181 | list_for_each_entry_safe(res, temp, &old_res, queue) { | |
3e7ebdfa | 7182 | if (ipr_is_same_device(res, &cfgtew)) { |
1da177e4 LT |
7183 | list_move_tail(&res->queue, &ioa_cfg->used_res_q); |
7184 | found = 1; | |
7185 | break; | |
7186 | } | |
7187 | } | |
7188 | ||
7189 | if (!found) { | |
7190 | if (list_empty(&ioa_cfg->free_res_q)) { | |
7191 | dev_err(&ioa_cfg->pdev->dev, "Too many devices attached\n"); | |
7192 | break; | |
7193 | } | |
7194 | ||
7195 | found = 1; | |
7196 | res = list_entry(ioa_cfg->free_res_q.next, | |
7197 | struct ipr_resource_entry, queue); | |
7198 | list_move_tail(&res->queue, &ioa_cfg->used_res_q); | |
3e7ebdfa | 7199 | ipr_init_res_entry(res, &cfgtew); |
1da177e4 | 7200 | res->add_to_ml = 1; |
56115598 WB |
7201 | } else if (res->sdev && (ipr_is_vset_device(res) || ipr_is_scsi_disk(res))) |
7202 | res->sdev->allow_restart = 1; | |
1da177e4 LT |
7203 | |
7204 | if (found) | |
3e7ebdfa | 7205 | ipr_update_res_entry(res, &cfgtew); |
1da177e4 LT |
7206 | } |
7207 | ||
7208 | list_for_each_entry_safe(res, temp, &old_res, queue) { | |
7209 | if (res->sdev) { | |
7210 | res->del_from_ml = 1; | |
3e7ebdfa | 7211 | res->res_handle = IPR_INVALID_RES_HANDLE; |
1da177e4 | 7212 | list_move_tail(&res->queue, &ioa_cfg->used_res_q); |
1da177e4 LT |
7213 | } |
7214 | } | |
7215 | ||
3e7ebdfa WB |
7216 | list_for_each_entry_safe(res, temp, &old_res, queue) { |
7217 | ipr_clear_res_target(res); | |
7218 | list_move_tail(&res->queue, &ioa_cfg->free_res_q); | |
7219 | } | |
7220 | ||
ac09c349 BK |
7221 | if (ioa_cfg->dual_raid && ipr_dual_ioa_raid) |
7222 | ipr_cmd->job_step = ipr_ioafp_mode_sense_page24; | |
7223 | else | |
7224 | ipr_cmd->job_step = ipr_ioafp_mode_sense_page28; | |
1da177e4 LT |
7225 | |
7226 | LEAVE; | |
7227 | return IPR_RC_JOB_CONTINUE; | |
7228 | } | |
7229 | ||
7230 | /** | |
7231 | * ipr_ioafp_query_ioa_cfg - Send a Query IOA Config to the adapter. | |
7232 | * @ipr_cmd: ipr command struct | |
7233 | * | |
7234 | * This function sends a Query IOA Configuration command | |
7235 | * to the adapter to retrieve the IOA configuration table. | |
7236 | * | |
7237 | * Return value: | |
7238 | * IPR_RC_JOB_RETURN | |
7239 | **/ | |
7240 | static int ipr_ioafp_query_ioa_cfg(struct ipr_cmnd *ipr_cmd) | |
7241 | { | |
7242 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7243 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
1da177e4 | 7244 | struct ipr_inquiry_page3 *ucode_vpd = &ioa_cfg->vpd_cbs->page3_data; |
ac09c349 | 7245 | struct ipr_inquiry_cap *cap = &ioa_cfg->vpd_cbs->cap; |
1da177e4 LT |
7246 | |
7247 | ENTER; | |
ac09c349 BK |
7248 | if (cap->cap & IPR_CAP_DUAL_IOA_RAID) |
7249 | ioa_cfg->dual_raid = 1; | |
1da177e4 LT |
7250 | dev_info(&ioa_cfg->pdev->dev, "Adapter firmware version: %02X%02X%02X%02X\n", |
7251 | ucode_vpd->major_release, ucode_vpd->card_type, | |
7252 | ucode_vpd->minor_release[0], ucode_vpd->minor_release[1]); | |
7253 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_IOACMD; | |
7254 | ioarcb->res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE); | |
7255 | ||
7256 | ioarcb->cmd_pkt.cdb[0] = IPR_QUERY_IOA_CONFIG; | |
438b0331 | 7257 | ioarcb->cmd_pkt.cdb[6] = (ioa_cfg->cfg_table_size >> 16) & 0xff; |
3e7ebdfa WB |
7258 | ioarcb->cmd_pkt.cdb[7] = (ioa_cfg->cfg_table_size >> 8) & 0xff; |
7259 | ioarcb->cmd_pkt.cdb[8] = ioa_cfg->cfg_table_size & 0xff; | |
1da177e4 | 7260 | |
3e7ebdfa | 7261 | ipr_init_ioadl(ipr_cmd, ioa_cfg->cfg_table_dma, ioa_cfg->cfg_table_size, |
a32c055f | 7262 | IPR_IOADL_FLAGS_READ_LAST); |
1da177e4 LT |
7263 | |
7264 | ipr_cmd->job_step = ipr_init_res_table; | |
7265 | ||
7266 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, IPR_INTERNAL_TIMEOUT); | |
7267 | ||
7268 | LEAVE; | |
7269 | return IPR_RC_JOB_RETURN; | |
7270 | } | |
7271 | ||
7272 | /** | |
7273 | * ipr_ioafp_inquiry - Send an Inquiry to the adapter. | |
7274 | * @ipr_cmd: ipr command struct | |
7275 | * | |
7276 | * This utility function sends an inquiry to the adapter. | |
7277 | * | |
7278 | * Return value: | |
7279 | * none | |
7280 | **/ | |
7281 | static void ipr_ioafp_inquiry(struct ipr_cmnd *ipr_cmd, u8 flags, u8 page, | |
a32c055f | 7282 | dma_addr_t dma_addr, u8 xfer_len) |
1da177e4 LT |
7283 | { |
7284 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
1da177e4 LT |
7285 | |
7286 | ENTER; | |
7287 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_SCSICDB; | |
7288 | ioarcb->res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE); | |
7289 | ||
7290 | ioarcb->cmd_pkt.cdb[0] = INQUIRY; | |
7291 | ioarcb->cmd_pkt.cdb[1] = flags; | |
7292 | ioarcb->cmd_pkt.cdb[2] = page; | |
7293 | ioarcb->cmd_pkt.cdb[4] = xfer_len; | |
7294 | ||
a32c055f | 7295 | ipr_init_ioadl(ipr_cmd, dma_addr, xfer_len, IPR_IOADL_FLAGS_READ_LAST); |
1da177e4 LT |
7296 | |
7297 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, IPR_INTERNAL_TIMEOUT); | |
7298 | LEAVE; | |
7299 | } | |
7300 | ||
62275040 | 7301 | /** |
7302 | * ipr_inquiry_page_supported - Is the given inquiry page supported | |
7303 | * @page0: inquiry page 0 buffer | |
7304 | * @page: page code. | |
7305 | * | |
7306 | * This function determines if the specified inquiry page is supported. | |
7307 | * | |
7308 | * Return value: | |
7309 | * 1 if page is supported / 0 if not | |
7310 | **/ | |
7311 | static int ipr_inquiry_page_supported(struct ipr_inquiry_page0 *page0, u8 page) | |
7312 | { | |
7313 | int i; | |
7314 | ||
7315 | for (i = 0; i < min_t(u8, page0->len, IPR_INQUIRY_PAGE0_ENTRIES); i++) | |
7316 | if (page0->page[i] == page) | |
7317 | return 1; | |
7318 | ||
7319 | return 0; | |
7320 | } | |
7321 | ||
ac09c349 BK |
7322 | /** |
7323 | * ipr_ioafp_cap_inquiry - Send a Page 0xD0 Inquiry to the adapter. | |
7324 | * @ipr_cmd: ipr command struct | |
7325 | * | |
7326 | * This function sends a Page 0xD0 inquiry to the adapter | |
7327 | * to retrieve adapter capabilities. | |
7328 | * | |
7329 | * Return value: | |
7330 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
7331 | **/ | |
7332 | static int ipr_ioafp_cap_inquiry(struct ipr_cmnd *ipr_cmd) | |
7333 | { | |
7334 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7335 | struct ipr_inquiry_page0 *page0 = &ioa_cfg->vpd_cbs->page0_data; | |
7336 | struct ipr_inquiry_cap *cap = &ioa_cfg->vpd_cbs->cap; | |
7337 | ||
7338 | ENTER; | |
7339 | ipr_cmd->job_step = ipr_ioafp_query_ioa_cfg; | |
7340 | memset(cap, 0, sizeof(*cap)); | |
7341 | ||
7342 | if (ipr_inquiry_page_supported(page0, 0xD0)) { | |
7343 | ipr_ioafp_inquiry(ipr_cmd, 1, 0xD0, | |
7344 | ioa_cfg->vpd_cbs_dma + offsetof(struct ipr_misc_cbs, cap), | |
7345 | sizeof(struct ipr_inquiry_cap)); | |
7346 | return IPR_RC_JOB_RETURN; | |
7347 | } | |
7348 | ||
7349 | LEAVE; | |
7350 | return IPR_RC_JOB_CONTINUE; | |
7351 | } | |
7352 | ||
1da177e4 LT |
7353 | /** |
7354 | * ipr_ioafp_page3_inquiry - Send a Page 3 Inquiry to the adapter. | |
7355 | * @ipr_cmd: ipr command struct | |
7356 | * | |
7357 | * This function sends a Page 3 inquiry to the adapter | |
7358 | * to retrieve software VPD information. | |
7359 | * | |
7360 | * Return value: | |
7361 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
7362 | **/ | |
7363 | static int ipr_ioafp_page3_inquiry(struct ipr_cmnd *ipr_cmd) | |
62275040 | 7364 | { |
7365 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
62275040 | 7366 | |
7367 | ENTER; | |
7368 | ||
ac09c349 | 7369 | ipr_cmd->job_step = ipr_ioafp_cap_inquiry; |
62275040 | 7370 | |
7371 | ipr_ioafp_inquiry(ipr_cmd, 1, 3, | |
7372 | ioa_cfg->vpd_cbs_dma + offsetof(struct ipr_misc_cbs, page3_data), | |
7373 | sizeof(struct ipr_inquiry_page3)); | |
7374 | ||
7375 | LEAVE; | |
7376 | return IPR_RC_JOB_RETURN; | |
7377 | } | |
7378 | ||
7379 | /** | |
7380 | * ipr_ioafp_page0_inquiry - Send a Page 0 Inquiry to the adapter. | |
7381 | * @ipr_cmd: ipr command struct | |
7382 | * | |
7383 | * This function sends a Page 0 inquiry to the adapter | |
7384 | * to retrieve supported inquiry pages. | |
7385 | * | |
7386 | * Return value: | |
7387 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
7388 | **/ | |
7389 | static int ipr_ioafp_page0_inquiry(struct ipr_cmnd *ipr_cmd) | |
1da177e4 LT |
7390 | { |
7391 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7392 | char type[5]; | |
7393 | ||
7394 | ENTER; | |
7395 | ||
7396 | /* Grab the type out of the VPD and store it away */ | |
7397 | memcpy(type, ioa_cfg->vpd_cbs->ioa_vpd.std_inq_data.vpids.product_id, 4); | |
7398 | type[4] = '\0'; | |
7399 | ioa_cfg->type = simple_strtoul((char *)type, NULL, 16); | |
7400 | ||
62275040 | 7401 | ipr_cmd->job_step = ipr_ioafp_page3_inquiry; |
1da177e4 | 7402 | |
62275040 | 7403 | ipr_ioafp_inquiry(ipr_cmd, 1, 0, |
7404 | ioa_cfg->vpd_cbs_dma + offsetof(struct ipr_misc_cbs, page0_data), | |
7405 | sizeof(struct ipr_inquiry_page0)); | |
1da177e4 LT |
7406 | |
7407 | LEAVE; | |
7408 | return IPR_RC_JOB_RETURN; | |
7409 | } | |
7410 | ||
7411 | /** | |
7412 | * ipr_ioafp_std_inquiry - Send a Standard Inquiry to the adapter. | |
7413 | * @ipr_cmd: ipr command struct | |
7414 | * | |
7415 | * This function sends a standard inquiry to the adapter. | |
7416 | * | |
7417 | * Return value: | |
7418 | * IPR_RC_JOB_RETURN | |
7419 | **/ | |
7420 | static int ipr_ioafp_std_inquiry(struct ipr_cmnd *ipr_cmd) | |
7421 | { | |
7422 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7423 | ||
7424 | ENTER; | |
62275040 | 7425 | ipr_cmd->job_step = ipr_ioafp_page0_inquiry; |
1da177e4 LT |
7426 | |
7427 | ipr_ioafp_inquiry(ipr_cmd, 0, 0, | |
7428 | ioa_cfg->vpd_cbs_dma + offsetof(struct ipr_misc_cbs, ioa_vpd), | |
7429 | sizeof(struct ipr_ioa_vpd)); | |
7430 | ||
7431 | LEAVE; | |
7432 | return IPR_RC_JOB_RETURN; | |
7433 | } | |
7434 | ||
7435 | /** | |
214777ba | 7436 | * ipr_ioafp_identify_hrrq - Send Identify Host RRQ. |
1da177e4 LT |
7437 | * @ipr_cmd: ipr command struct |
7438 | * | |
7439 | * This function send an Identify Host Request Response Queue | |
7440 | * command to establish the HRRQ with the adapter. | |
7441 | * | |
7442 | * Return value: | |
7443 | * IPR_RC_JOB_RETURN | |
7444 | **/ | |
214777ba | 7445 | static int ipr_ioafp_identify_hrrq(struct ipr_cmnd *ipr_cmd) |
1da177e4 LT |
7446 | { |
7447 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7448 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
05a6538a | 7449 | struct ipr_hrr_queue *hrrq; |
1da177e4 LT |
7450 | |
7451 | ENTER; | |
05a6538a | 7452 | ipr_cmd->job_step = ipr_ioafp_std_inquiry; |
1da177e4 LT |
7453 | dev_info(&ioa_cfg->pdev->dev, "Starting IOA initialization sequence.\n"); |
7454 | ||
05a6538a | 7455 | if (ioa_cfg->hrrq_index < ioa_cfg->hrrq_num) { |
7456 | hrrq = &ioa_cfg->hrrq[ioa_cfg->hrrq_index]; | |
1da177e4 | 7457 | |
05a6538a | 7458 | ioarcb->cmd_pkt.cdb[0] = IPR_ID_HOST_RR_Q; |
7459 | ioarcb->res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE); | |
1da177e4 | 7460 | |
05a6538a | 7461 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_IOACMD; |
7462 | if (ioa_cfg->sis64) | |
7463 | ioarcb->cmd_pkt.cdb[1] = 0x1; | |
214777ba | 7464 | |
05a6538a | 7465 | if (ioa_cfg->nvectors == 1) |
7466 | ioarcb->cmd_pkt.cdb[1] &= ~IPR_ID_HRRQ_SELE_ENABLE; | |
7467 | else | |
7468 | ioarcb->cmd_pkt.cdb[1] |= IPR_ID_HRRQ_SELE_ENABLE; | |
7469 | ||
7470 | ioarcb->cmd_pkt.cdb[2] = | |
7471 | ((u64) hrrq->host_rrq_dma >> 24) & 0xff; | |
7472 | ioarcb->cmd_pkt.cdb[3] = | |
7473 | ((u64) hrrq->host_rrq_dma >> 16) & 0xff; | |
7474 | ioarcb->cmd_pkt.cdb[4] = | |
7475 | ((u64) hrrq->host_rrq_dma >> 8) & 0xff; | |
7476 | ioarcb->cmd_pkt.cdb[5] = | |
7477 | ((u64) hrrq->host_rrq_dma) & 0xff; | |
7478 | ioarcb->cmd_pkt.cdb[7] = | |
7479 | ((sizeof(u32) * hrrq->size) >> 8) & 0xff; | |
7480 | ioarcb->cmd_pkt.cdb[8] = | |
7481 | (sizeof(u32) * hrrq->size) & 0xff; | |
7482 | ||
7483 | if (ioarcb->cmd_pkt.cdb[1] & IPR_ID_HRRQ_SELE_ENABLE) | |
7484 | ioarcb->cmd_pkt.cdb[9] = ioa_cfg->hrrq_index; | |
1da177e4 | 7485 | |
05a6538a | 7486 | if (ioa_cfg->sis64) { |
7487 | ioarcb->cmd_pkt.cdb[10] = | |
7488 | ((u64) hrrq->host_rrq_dma >> 56) & 0xff; | |
7489 | ioarcb->cmd_pkt.cdb[11] = | |
7490 | ((u64) hrrq->host_rrq_dma >> 48) & 0xff; | |
7491 | ioarcb->cmd_pkt.cdb[12] = | |
7492 | ((u64) hrrq->host_rrq_dma >> 40) & 0xff; | |
7493 | ioarcb->cmd_pkt.cdb[13] = | |
7494 | ((u64) hrrq->host_rrq_dma >> 32) & 0xff; | |
7495 | } | |
7496 | ||
7497 | if (ioarcb->cmd_pkt.cdb[1] & IPR_ID_HRRQ_SELE_ENABLE) | |
7498 | ioarcb->cmd_pkt.cdb[14] = ioa_cfg->hrrq_index; | |
7499 | ||
7500 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, | |
7501 | IPR_INTERNAL_TIMEOUT); | |
7502 | ||
7503 | if (++ioa_cfg->hrrq_index < ioa_cfg->hrrq_num) | |
7504 | ipr_cmd->job_step = ipr_ioafp_identify_hrrq; | |
7505 | ||
7506 | LEAVE; | |
7507 | return IPR_RC_JOB_RETURN; | |
7508 | ||
7509 | } | |
7510 | ||
7511 | if (ioa_cfg->hrrq_num == 1) | |
7512 | ioa_cfg->hrrq_index = 0; | |
7513 | else | |
7514 | ioa_cfg->hrrq_index = 1; | |
1da177e4 LT |
7515 | |
7516 | LEAVE; | |
05a6538a | 7517 | return IPR_RC_JOB_CONTINUE; |
1da177e4 LT |
7518 | } |
7519 | ||
7520 | /** | |
7521 | * ipr_reset_timer_done - Adapter reset timer function | |
7522 | * @ipr_cmd: ipr command struct | |
7523 | * | |
7524 | * Description: This function is used in adapter reset processing | |
7525 | * for timing events. If the reset_cmd pointer in the IOA | |
7526 | * config struct is not this adapter's we are doing nested | |
7527 | * resets and fail_all_ops will take care of freeing the | |
7528 | * command block. | |
7529 | * | |
7530 | * Return value: | |
7531 | * none | |
7532 | **/ | |
7533 | static void ipr_reset_timer_done(struct ipr_cmnd *ipr_cmd) | |
7534 | { | |
7535 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7536 | unsigned long lock_flags = 0; | |
7537 | ||
7538 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
7539 | ||
7540 | if (ioa_cfg->reset_cmd == ipr_cmd) { | |
7541 | list_del(&ipr_cmd->queue); | |
7542 | ipr_cmd->done(ipr_cmd); | |
7543 | } | |
7544 | ||
7545 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
7546 | } | |
7547 | ||
7548 | /** | |
7549 | * ipr_reset_start_timer - Start a timer for adapter reset job | |
7550 | * @ipr_cmd: ipr command struct | |
7551 | * @timeout: timeout value | |
7552 | * | |
7553 | * Description: This function is used in adapter reset processing | |
7554 | * for timing events. If the reset_cmd pointer in the IOA | |
7555 | * config struct is not this adapter's we are doing nested | |
7556 | * resets and fail_all_ops will take care of freeing the | |
7557 | * command block. | |
7558 | * | |
7559 | * Return value: | |
7560 | * none | |
7561 | **/ | |
7562 | static void ipr_reset_start_timer(struct ipr_cmnd *ipr_cmd, | |
7563 | unsigned long timeout) | |
7564 | { | |
05a6538a | 7565 | |
7566 | ENTER; | |
7567 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_pending_q); | |
1da177e4 LT |
7568 | ipr_cmd->done = ipr_reset_ioa_job; |
7569 | ||
7570 | ipr_cmd->timer.data = (unsigned long) ipr_cmd; | |
7571 | ipr_cmd->timer.expires = jiffies + timeout; | |
7572 | ipr_cmd->timer.function = (void (*)(unsigned long))ipr_reset_timer_done; | |
7573 | add_timer(&ipr_cmd->timer); | |
05a6538a | 7574 | LEAVE; |
1da177e4 LT |
7575 | } |
7576 | ||
7577 | /** | |
7578 | * ipr_init_ioa_mem - Initialize ioa_cfg control block | |
7579 | * @ioa_cfg: ioa cfg struct | |
7580 | * | |
7581 | * Return value: | |
7582 | * nothing | |
7583 | **/ | |
7584 | static void ipr_init_ioa_mem(struct ipr_ioa_cfg *ioa_cfg) | |
7585 | { | |
05a6538a | 7586 | struct ipr_hrr_queue *hrrq; |
1da177e4 | 7587 | |
05a6538a | 7588 | for_each_hrrq(hrrq, ioa_cfg) { |
7589 | memset(hrrq->host_rrq, 0, sizeof(u32) * hrrq->size); | |
7590 | ||
7591 | /* Initialize Host RRQ pointers */ | |
7592 | hrrq->hrrq_start = hrrq->host_rrq; | |
7593 | hrrq->hrrq_end = &hrrq->host_rrq[hrrq->size - 1]; | |
7594 | hrrq->hrrq_curr = hrrq->hrrq_start; | |
7595 | hrrq->toggle_bit = 1; | |
7596 | } | |
7597 | ||
7598 | ioa_cfg->hrrq_index = 0; | |
1da177e4 LT |
7599 | |
7600 | /* Zero out config table */ | |
3e7ebdfa | 7601 | memset(ioa_cfg->u.cfg_table, 0, ioa_cfg->cfg_table_size); |
1da177e4 LT |
7602 | } |
7603 | ||
214777ba WB |
7604 | /** |
7605 | * ipr_reset_next_stage - Process IPL stage change based on feedback register. | |
7606 | * @ipr_cmd: ipr command struct | |
7607 | * | |
7608 | * Return value: | |
7609 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
7610 | **/ | |
7611 | static int ipr_reset_next_stage(struct ipr_cmnd *ipr_cmd) | |
7612 | { | |
7613 | unsigned long stage, stage_time; | |
7614 | u32 feedback; | |
7615 | volatile u32 int_reg; | |
7616 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7617 | u64 maskval = 0; | |
7618 | ||
7619 | feedback = readl(ioa_cfg->regs.init_feedback_reg); | |
7620 | stage = feedback & IPR_IPL_INIT_STAGE_MASK; | |
7621 | stage_time = feedback & IPR_IPL_INIT_STAGE_TIME_MASK; | |
7622 | ||
7623 | ipr_dbg("IPL stage = 0x%lx, IPL stage time = %ld\n", stage, stage_time); | |
7624 | ||
7625 | /* sanity check the stage_time value */ | |
438b0331 WB |
7626 | if (stage_time == 0) |
7627 | stage_time = IPR_IPL_INIT_DEFAULT_STAGE_TIME; | |
7628 | else if (stage_time < IPR_IPL_INIT_MIN_STAGE_TIME) | |
214777ba WB |
7629 | stage_time = IPR_IPL_INIT_MIN_STAGE_TIME; |
7630 | else if (stage_time > IPR_LONG_OPERATIONAL_TIMEOUT) | |
7631 | stage_time = IPR_LONG_OPERATIONAL_TIMEOUT; | |
7632 | ||
7633 | if (stage == IPR_IPL_INIT_STAGE_UNKNOWN) { | |
7634 | writel(IPR_PCII_IPL_STAGE_CHANGE, ioa_cfg->regs.set_interrupt_mask_reg); | |
7635 | int_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg); | |
7636 | stage_time = ioa_cfg->transop_timeout; | |
7637 | ipr_cmd->job_step = ipr_ioafp_identify_hrrq; | |
7638 | } else if (stage == IPR_IPL_INIT_STAGE_TRANSOP) { | |
1df79ca4 WB |
7639 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg32); |
7640 | if (int_reg & IPR_PCII_IOA_TRANS_TO_OPER) { | |
7641 | ipr_cmd->job_step = ipr_ioafp_identify_hrrq; | |
7642 | maskval = IPR_PCII_IPL_STAGE_CHANGE; | |
7643 | maskval = (maskval << 32) | IPR_PCII_IOA_TRANS_TO_OPER; | |
7644 | writeq(maskval, ioa_cfg->regs.set_interrupt_mask_reg); | |
7645 | int_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg); | |
7646 | return IPR_RC_JOB_CONTINUE; | |
7647 | } | |
214777ba WB |
7648 | } |
7649 | ||
7650 | ipr_cmd->timer.data = (unsigned long) ipr_cmd; | |
7651 | ipr_cmd->timer.expires = jiffies + stage_time * HZ; | |
7652 | ipr_cmd->timer.function = (void (*)(unsigned long))ipr_oper_timeout; | |
7653 | ipr_cmd->done = ipr_reset_ioa_job; | |
7654 | add_timer(&ipr_cmd->timer); | |
05a6538a | 7655 | |
7656 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_pending_q); | |
214777ba WB |
7657 | |
7658 | return IPR_RC_JOB_RETURN; | |
7659 | } | |
7660 | ||
1da177e4 LT |
7661 | /** |
7662 | * ipr_reset_enable_ioa - Enable the IOA following a reset. | |
7663 | * @ipr_cmd: ipr command struct | |
7664 | * | |
7665 | * This function reinitializes some control blocks and | |
7666 | * enables destructive diagnostics on the adapter. | |
7667 | * | |
7668 | * Return value: | |
7669 | * IPR_RC_JOB_RETURN | |
7670 | **/ | |
7671 | static int ipr_reset_enable_ioa(struct ipr_cmnd *ipr_cmd) | |
7672 | { | |
7673 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7674 | volatile u32 int_reg; | |
7be96900 | 7675 | volatile u64 maskval; |
1da177e4 LT |
7676 | |
7677 | ENTER; | |
214777ba | 7678 | ipr_cmd->job_step = ipr_ioafp_identify_hrrq; |
1da177e4 LT |
7679 | ipr_init_ioa_mem(ioa_cfg); |
7680 | ||
7681 | ioa_cfg->allow_interrupts = 1; | |
8701f185 WB |
7682 | if (ioa_cfg->sis64) { |
7683 | /* Set the adapter to the correct endian mode. */ | |
7684 | writel(IPR_ENDIAN_SWAP_KEY, ioa_cfg->regs.endian_swap_reg); | |
7685 | int_reg = readl(ioa_cfg->regs.endian_swap_reg); | |
7686 | } | |
7687 | ||
7be96900 | 7688 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg32); |
1da177e4 LT |
7689 | |
7690 | if (int_reg & IPR_PCII_IOA_TRANS_TO_OPER) { | |
7691 | writel((IPR_PCII_ERROR_INTERRUPTS | IPR_PCII_HRRQ_UPDATED), | |
214777ba | 7692 | ioa_cfg->regs.clr_interrupt_mask_reg32); |
1da177e4 LT |
7693 | int_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg); |
7694 | return IPR_RC_JOB_CONTINUE; | |
7695 | } | |
7696 | ||
7697 | /* Enable destructive diagnostics on IOA */ | |
214777ba WB |
7698 | writel(ioa_cfg->doorbell, ioa_cfg->regs.set_uproc_interrupt_reg32); |
7699 | ||
7be96900 WB |
7700 | if (ioa_cfg->sis64) { |
7701 | maskval = IPR_PCII_IPL_STAGE_CHANGE; | |
7702 | maskval = (maskval << 32) | IPR_PCII_OPER_INTERRUPTS; | |
7703 | writeq(maskval, ioa_cfg->regs.clr_interrupt_mask_reg); | |
7704 | } else | |
7705 | writel(IPR_PCII_OPER_INTERRUPTS, ioa_cfg->regs.clr_interrupt_mask_reg32); | |
1da177e4 | 7706 | |
1da177e4 LT |
7707 | int_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg); |
7708 | ||
7709 | dev_info(&ioa_cfg->pdev->dev, "Initializing IOA.\n"); | |
7710 | ||
214777ba WB |
7711 | if (ioa_cfg->sis64) { |
7712 | ipr_cmd->job_step = ipr_reset_next_stage; | |
7713 | return IPR_RC_JOB_CONTINUE; | |
7714 | } | |
7715 | ||
1da177e4 | 7716 | ipr_cmd->timer.data = (unsigned long) ipr_cmd; |
5469cb5b | 7717 | ipr_cmd->timer.expires = jiffies + (ioa_cfg->transop_timeout * HZ); |
1da177e4 LT |
7718 | ipr_cmd->timer.function = (void (*)(unsigned long))ipr_oper_timeout; |
7719 | ipr_cmd->done = ipr_reset_ioa_job; | |
7720 | add_timer(&ipr_cmd->timer); | |
05a6538a | 7721 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_pending_q); |
1da177e4 LT |
7722 | |
7723 | LEAVE; | |
7724 | return IPR_RC_JOB_RETURN; | |
7725 | } | |
7726 | ||
7727 | /** | |
7728 | * ipr_reset_wait_for_dump - Wait for a dump to timeout. | |
7729 | * @ipr_cmd: ipr command struct | |
7730 | * | |
7731 | * This function is invoked when an adapter dump has run out | |
7732 | * of processing time. | |
7733 | * | |
7734 | * Return value: | |
7735 | * IPR_RC_JOB_CONTINUE | |
7736 | **/ | |
7737 | static int ipr_reset_wait_for_dump(struct ipr_cmnd *ipr_cmd) | |
7738 | { | |
7739 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7740 | ||
7741 | if (ioa_cfg->sdt_state == GET_DUMP) | |
41e9a696 BK |
7742 | ioa_cfg->sdt_state = WAIT_FOR_DUMP; |
7743 | else if (ioa_cfg->sdt_state == READ_DUMP) | |
1da177e4 LT |
7744 | ioa_cfg->sdt_state = ABORT_DUMP; |
7745 | ||
4c647e90 | 7746 | ioa_cfg->dump_timeout = 1; |
1da177e4 LT |
7747 | ipr_cmd->job_step = ipr_reset_alert; |
7748 | ||
7749 | return IPR_RC_JOB_CONTINUE; | |
7750 | } | |
7751 | ||
7752 | /** | |
7753 | * ipr_unit_check_no_data - Log a unit check/no data error log | |
7754 | * @ioa_cfg: ioa config struct | |
7755 | * | |
7756 | * Logs an error indicating the adapter unit checked, but for some | |
7757 | * reason, we were unable to fetch the unit check buffer. | |
7758 | * | |
7759 | * Return value: | |
7760 | * nothing | |
7761 | **/ | |
7762 | static void ipr_unit_check_no_data(struct ipr_ioa_cfg *ioa_cfg) | |
7763 | { | |
7764 | ioa_cfg->errors_logged++; | |
7765 | dev_err(&ioa_cfg->pdev->dev, "IOA unit check with no data\n"); | |
7766 | } | |
7767 | ||
7768 | /** | |
7769 | * ipr_get_unit_check_buffer - Get the unit check buffer from the IOA | |
7770 | * @ioa_cfg: ioa config struct | |
7771 | * | |
7772 | * Fetches the unit check buffer from the adapter by clocking the data | |
7773 | * through the mailbox register. | |
7774 | * | |
7775 | * Return value: | |
7776 | * nothing | |
7777 | **/ | |
7778 | static void ipr_get_unit_check_buffer(struct ipr_ioa_cfg *ioa_cfg) | |
7779 | { | |
7780 | unsigned long mailbox; | |
7781 | struct ipr_hostrcb *hostrcb; | |
7782 | struct ipr_uc_sdt sdt; | |
7783 | int rc, length; | |
65f56475 | 7784 | u32 ioasc; |
1da177e4 LT |
7785 | |
7786 | mailbox = readl(ioa_cfg->ioa_mailbox); | |
7787 | ||
dcbad00e | 7788 | if (!ioa_cfg->sis64 && !ipr_sdt_is_fmt2(mailbox)) { |
1da177e4 LT |
7789 | ipr_unit_check_no_data(ioa_cfg); |
7790 | return; | |
7791 | } | |
7792 | ||
7793 | memset(&sdt, 0, sizeof(struct ipr_uc_sdt)); | |
7794 | rc = ipr_get_ldump_data_section(ioa_cfg, mailbox, (__be32 *) &sdt, | |
7795 | (sizeof(struct ipr_uc_sdt)) / sizeof(__be32)); | |
7796 | ||
dcbad00e WB |
7797 | if (rc || !(sdt.entry[0].flags & IPR_SDT_VALID_ENTRY) || |
7798 | ((be32_to_cpu(sdt.hdr.state) != IPR_FMT3_SDT_READY_TO_USE) && | |
7799 | (be32_to_cpu(sdt.hdr.state) != IPR_FMT2_SDT_READY_TO_USE))) { | |
1da177e4 LT |
7800 | ipr_unit_check_no_data(ioa_cfg); |
7801 | return; | |
7802 | } | |
7803 | ||
7804 | /* Find length of the first sdt entry (UC buffer) */ | |
dcbad00e WB |
7805 | if (be32_to_cpu(sdt.hdr.state) == IPR_FMT3_SDT_READY_TO_USE) |
7806 | length = be32_to_cpu(sdt.entry[0].end_token); | |
7807 | else | |
7808 | length = (be32_to_cpu(sdt.entry[0].end_token) - | |
7809 | be32_to_cpu(sdt.entry[0].start_token)) & | |
7810 | IPR_FMT2_MBX_ADDR_MASK; | |
1da177e4 LT |
7811 | |
7812 | hostrcb = list_entry(ioa_cfg->hostrcb_free_q.next, | |
7813 | struct ipr_hostrcb, queue); | |
7814 | list_del(&hostrcb->queue); | |
7815 | memset(&hostrcb->hcam, 0, sizeof(hostrcb->hcam)); | |
7816 | ||
7817 | rc = ipr_get_ldump_data_section(ioa_cfg, | |
dcbad00e | 7818 | be32_to_cpu(sdt.entry[0].start_token), |
1da177e4 LT |
7819 | (__be32 *)&hostrcb->hcam, |
7820 | min(length, (int)sizeof(hostrcb->hcam)) / sizeof(__be32)); | |
7821 | ||
65f56475 | 7822 | if (!rc) { |
1da177e4 | 7823 | ipr_handle_log_data(ioa_cfg, hostrcb); |
4565e370 | 7824 | ioasc = be32_to_cpu(hostrcb->hcam.u.error.fd_ioasc); |
65f56475 BK |
7825 | if (ioasc == IPR_IOASC_NR_IOA_RESET_REQUIRED && |
7826 | ioa_cfg->sdt_state == GET_DUMP) | |
7827 | ioa_cfg->sdt_state = WAIT_FOR_DUMP; | |
7828 | } else | |
1da177e4 LT |
7829 | ipr_unit_check_no_data(ioa_cfg); |
7830 | ||
7831 | list_add_tail(&hostrcb->queue, &ioa_cfg->hostrcb_free_q); | |
7832 | } | |
7833 | ||
110def85 WB |
7834 | /** |
7835 | * ipr_reset_get_unit_check_job - Call to get the unit check buffer. | |
7836 | * @ipr_cmd: ipr command struct | |
7837 | * | |
7838 | * Description: This function will call to get the unit check buffer. | |
7839 | * | |
7840 | * Return value: | |
7841 | * IPR_RC_JOB_RETURN | |
7842 | **/ | |
7843 | static int ipr_reset_get_unit_check_job(struct ipr_cmnd *ipr_cmd) | |
7844 | { | |
7845 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7846 | ||
7847 | ENTER; | |
7848 | ioa_cfg->ioa_unit_checked = 0; | |
7849 | ipr_get_unit_check_buffer(ioa_cfg); | |
7850 | ipr_cmd->job_step = ipr_reset_alert; | |
7851 | ipr_reset_start_timer(ipr_cmd, 0); | |
7852 | ||
7853 | LEAVE; | |
7854 | return IPR_RC_JOB_RETURN; | |
7855 | } | |
7856 | ||
1da177e4 LT |
7857 | /** |
7858 | * ipr_reset_restore_cfg_space - Restore PCI config space. | |
7859 | * @ipr_cmd: ipr command struct | |
7860 | * | |
7861 | * Description: This function restores the saved PCI config space of | |
7862 | * the adapter, fails all outstanding ops back to the callers, and | |
7863 | * fetches the dump/unit check if applicable to this reset. | |
7864 | * | |
7865 | * Return value: | |
7866 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
7867 | **/ | |
7868 | static int ipr_reset_restore_cfg_space(struct ipr_cmnd *ipr_cmd) | |
7869 | { | |
7870 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
630ad831 | 7871 | u32 int_reg; |
1da177e4 LT |
7872 | |
7873 | ENTER; | |
99c965dd | 7874 | ioa_cfg->pdev->state_saved = true; |
1d3c16a8 | 7875 | pci_restore_state(ioa_cfg->pdev); |
1da177e4 LT |
7876 | |
7877 | if (ipr_set_pcix_cmd_reg(ioa_cfg)) { | |
96d21f00 | 7878 | ipr_cmd->s.ioasa.hdr.ioasc = cpu_to_be32(IPR_IOASC_PCI_ACCESS_ERROR); |
1da177e4 LT |
7879 | return IPR_RC_JOB_CONTINUE; |
7880 | } | |
7881 | ||
7882 | ipr_fail_all_ops(ioa_cfg); | |
7883 | ||
8701f185 WB |
7884 | if (ioa_cfg->sis64) { |
7885 | /* Set the adapter to the correct endian mode. */ | |
7886 | writel(IPR_ENDIAN_SWAP_KEY, ioa_cfg->regs.endian_swap_reg); | |
7887 | int_reg = readl(ioa_cfg->regs.endian_swap_reg); | |
7888 | } | |
7889 | ||
1da177e4 | 7890 | if (ioa_cfg->ioa_unit_checked) { |
110def85 WB |
7891 | if (ioa_cfg->sis64) { |
7892 | ipr_cmd->job_step = ipr_reset_get_unit_check_job; | |
7893 | ipr_reset_start_timer(ipr_cmd, IPR_DUMP_DELAY_TIMEOUT); | |
7894 | return IPR_RC_JOB_RETURN; | |
7895 | } else { | |
7896 | ioa_cfg->ioa_unit_checked = 0; | |
7897 | ipr_get_unit_check_buffer(ioa_cfg); | |
7898 | ipr_cmd->job_step = ipr_reset_alert; | |
7899 | ipr_reset_start_timer(ipr_cmd, 0); | |
7900 | return IPR_RC_JOB_RETURN; | |
7901 | } | |
1da177e4 LT |
7902 | } |
7903 | ||
7904 | if (ioa_cfg->in_ioa_bringdown) { | |
7905 | ipr_cmd->job_step = ipr_ioa_bringdown_done; | |
7906 | } else { | |
7907 | ipr_cmd->job_step = ipr_reset_enable_ioa; | |
7908 | ||
7909 | if (GET_DUMP == ioa_cfg->sdt_state) { | |
41e9a696 | 7910 | ioa_cfg->sdt_state = READ_DUMP; |
4c647e90 | 7911 | ioa_cfg->dump_timeout = 0; |
4d4dd706 KSS |
7912 | if (ioa_cfg->sis64) |
7913 | ipr_reset_start_timer(ipr_cmd, IPR_SIS64_DUMP_TIMEOUT); | |
7914 | else | |
7915 | ipr_reset_start_timer(ipr_cmd, IPR_SIS32_DUMP_TIMEOUT); | |
1da177e4 LT |
7916 | ipr_cmd->job_step = ipr_reset_wait_for_dump; |
7917 | schedule_work(&ioa_cfg->work_q); | |
7918 | return IPR_RC_JOB_RETURN; | |
7919 | } | |
7920 | } | |
7921 | ||
438b0331 | 7922 | LEAVE; |
1da177e4 LT |
7923 | return IPR_RC_JOB_CONTINUE; |
7924 | } | |
7925 | ||
e619e1a7 BK |
7926 | /** |
7927 | * ipr_reset_bist_done - BIST has completed on the adapter. | |
7928 | * @ipr_cmd: ipr command struct | |
7929 | * | |
7930 | * Description: Unblock config space and resume the reset process. | |
7931 | * | |
7932 | * Return value: | |
7933 | * IPR_RC_JOB_CONTINUE | |
7934 | **/ | |
7935 | static int ipr_reset_bist_done(struct ipr_cmnd *ipr_cmd) | |
7936 | { | |
fb51ccbf JK |
7937 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; |
7938 | ||
e619e1a7 | 7939 | ENTER; |
fb51ccbf JK |
7940 | if (ioa_cfg->cfg_locked) |
7941 | pci_cfg_access_unlock(ioa_cfg->pdev); | |
7942 | ioa_cfg->cfg_locked = 0; | |
e619e1a7 BK |
7943 | ipr_cmd->job_step = ipr_reset_restore_cfg_space; |
7944 | LEAVE; | |
7945 | return IPR_RC_JOB_CONTINUE; | |
7946 | } | |
7947 | ||
1da177e4 LT |
7948 | /** |
7949 | * ipr_reset_start_bist - Run BIST on the adapter. | |
7950 | * @ipr_cmd: ipr command struct | |
7951 | * | |
7952 | * Description: This function runs BIST on the adapter, then delays 2 seconds. | |
7953 | * | |
7954 | * Return value: | |
7955 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
7956 | **/ | |
7957 | static int ipr_reset_start_bist(struct ipr_cmnd *ipr_cmd) | |
7958 | { | |
7959 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
cb237ef7 | 7960 | int rc = PCIBIOS_SUCCESSFUL; |
1da177e4 LT |
7961 | |
7962 | ENTER; | |
cb237ef7 WB |
7963 | if (ioa_cfg->ipr_chip->bist_method == IPR_MMIO) |
7964 | writel(IPR_UPROCI_SIS64_START_BIST, | |
7965 | ioa_cfg->regs.set_uproc_interrupt_reg32); | |
7966 | else | |
7967 | rc = pci_write_config_byte(ioa_cfg->pdev, PCI_BIST, PCI_BIST_START); | |
7968 | ||
7969 | if (rc == PCIBIOS_SUCCESSFUL) { | |
e619e1a7 | 7970 | ipr_cmd->job_step = ipr_reset_bist_done; |
1da177e4 LT |
7971 | ipr_reset_start_timer(ipr_cmd, IPR_WAIT_FOR_BIST_TIMEOUT); |
7972 | rc = IPR_RC_JOB_RETURN; | |
cb237ef7 | 7973 | } else { |
fb51ccbf JK |
7974 | if (ioa_cfg->cfg_locked) |
7975 | pci_cfg_access_unlock(ipr_cmd->ioa_cfg->pdev); | |
7976 | ioa_cfg->cfg_locked = 0; | |
cb237ef7 WB |
7977 | ipr_cmd->s.ioasa.hdr.ioasc = cpu_to_be32(IPR_IOASC_PCI_ACCESS_ERROR); |
7978 | rc = IPR_RC_JOB_CONTINUE; | |
1da177e4 LT |
7979 | } |
7980 | ||
7981 | LEAVE; | |
7982 | return rc; | |
7983 | } | |
7984 | ||
463fc696 BK |
7985 | /** |
7986 | * ipr_reset_slot_reset_done - Clear PCI reset to the adapter | |
7987 | * @ipr_cmd: ipr command struct | |
7988 | * | |
7989 | * Description: This clears PCI reset to the adapter and delays two seconds. | |
7990 | * | |
7991 | * Return value: | |
7992 | * IPR_RC_JOB_RETURN | |
7993 | **/ | |
7994 | static int ipr_reset_slot_reset_done(struct ipr_cmnd *ipr_cmd) | |
7995 | { | |
7996 | ENTER; | |
7997 | pci_set_pcie_reset_state(ipr_cmd->ioa_cfg->pdev, pcie_deassert_reset); | |
7998 | ipr_cmd->job_step = ipr_reset_bist_done; | |
7999 | ipr_reset_start_timer(ipr_cmd, IPR_WAIT_FOR_BIST_TIMEOUT); | |
8000 | LEAVE; | |
8001 | return IPR_RC_JOB_RETURN; | |
8002 | } | |
8003 | ||
8004 | /** | |
8005 | * ipr_reset_slot_reset - Reset the PCI slot of the adapter. | |
8006 | * @ipr_cmd: ipr command struct | |
8007 | * | |
8008 | * Description: This asserts PCI reset to the adapter. | |
8009 | * | |
8010 | * Return value: | |
8011 | * IPR_RC_JOB_RETURN | |
8012 | **/ | |
8013 | static int ipr_reset_slot_reset(struct ipr_cmnd *ipr_cmd) | |
8014 | { | |
8015 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
8016 | struct pci_dev *pdev = ioa_cfg->pdev; | |
8017 | ||
8018 | ENTER; | |
463fc696 BK |
8019 | pci_set_pcie_reset_state(pdev, pcie_warm_reset); |
8020 | ipr_cmd->job_step = ipr_reset_slot_reset_done; | |
8021 | ipr_reset_start_timer(ipr_cmd, IPR_PCI_RESET_TIMEOUT); | |
8022 | LEAVE; | |
8023 | return IPR_RC_JOB_RETURN; | |
8024 | } | |
8025 | ||
fb51ccbf JK |
8026 | /** |
8027 | * ipr_reset_block_config_access_wait - Wait for permission to block config access | |
8028 | * @ipr_cmd: ipr command struct | |
8029 | * | |
8030 | * Description: This attempts to block config access to the IOA. | |
8031 | * | |
8032 | * Return value: | |
8033 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
8034 | **/ | |
8035 | static int ipr_reset_block_config_access_wait(struct ipr_cmnd *ipr_cmd) | |
8036 | { | |
8037 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
8038 | int rc = IPR_RC_JOB_CONTINUE; | |
8039 | ||
8040 | if (pci_cfg_access_trylock(ioa_cfg->pdev)) { | |
8041 | ioa_cfg->cfg_locked = 1; | |
8042 | ipr_cmd->job_step = ioa_cfg->reset; | |
8043 | } else { | |
8044 | if (ipr_cmd->u.time_left) { | |
8045 | rc = IPR_RC_JOB_RETURN; | |
8046 | ipr_cmd->u.time_left -= IPR_CHECK_FOR_RESET_TIMEOUT; | |
8047 | ipr_reset_start_timer(ipr_cmd, | |
8048 | IPR_CHECK_FOR_RESET_TIMEOUT); | |
8049 | } else { | |
8050 | ipr_cmd->job_step = ioa_cfg->reset; | |
8051 | dev_err(&ioa_cfg->pdev->dev, | |
8052 | "Timed out waiting to lock config access. Resetting anyway.\n"); | |
8053 | } | |
8054 | } | |
8055 | ||
8056 | return rc; | |
8057 | } | |
8058 | ||
8059 | /** | |
8060 | * ipr_reset_block_config_access - Block config access to the IOA | |
8061 | * @ipr_cmd: ipr command struct | |
8062 | * | |
8063 | * Description: This attempts to block config access to the IOA | |
8064 | * | |
8065 | * Return value: | |
8066 | * IPR_RC_JOB_CONTINUE | |
8067 | **/ | |
8068 | static int ipr_reset_block_config_access(struct ipr_cmnd *ipr_cmd) | |
8069 | { | |
8070 | ipr_cmd->ioa_cfg->cfg_locked = 0; | |
8071 | ipr_cmd->job_step = ipr_reset_block_config_access_wait; | |
8072 | ipr_cmd->u.time_left = IPR_WAIT_FOR_RESET_TIMEOUT; | |
8073 | return IPR_RC_JOB_CONTINUE; | |
8074 | } | |
8075 | ||
1da177e4 LT |
8076 | /** |
8077 | * ipr_reset_allowed - Query whether or not IOA can be reset | |
8078 | * @ioa_cfg: ioa config struct | |
8079 | * | |
8080 | * Return value: | |
8081 | * 0 if reset not allowed / non-zero if reset is allowed | |
8082 | **/ | |
8083 | static int ipr_reset_allowed(struct ipr_ioa_cfg *ioa_cfg) | |
8084 | { | |
8085 | volatile u32 temp_reg; | |
8086 | ||
8087 | temp_reg = readl(ioa_cfg->regs.sense_interrupt_reg); | |
8088 | return ((temp_reg & IPR_PCII_CRITICAL_OPERATION) == 0); | |
8089 | } | |
8090 | ||
8091 | /** | |
8092 | * ipr_reset_wait_to_start_bist - Wait for permission to reset IOA. | |
8093 | * @ipr_cmd: ipr command struct | |
8094 | * | |
8095 | * Description: This function waits for adapter permission to run BIST, | |
8096 | * then runs BIST. If the adapter does not give permission after a | |
8097 | * reasonable time, we will reset the adapter anyway. The impact of | |
8098 | * resetting the adapter without warning the adapter is the risk of | |
8099 | * losing the persistent error log on the adapter. If the adapter is | |
8100 | * reset while it is writing to the flash on the adapter, the flash | |
8101 | * segment will have bad ECC and be zeroed. | |
8102 | * | |
8103 | * Return value: | |
8104 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
8105 | **/ | |
8106 | static int ipr_reset_wait_to_start_bist(struct ipr_cmnd *ipr_cmd) | |
8107 | { | |
8108 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
8109 | int rc = IPR_RC_JOB_RETURN; | |
8110 | ||
8111 | if (!ipr_reset_allowed(ioa_cfg) && ipr_cmd->u.time_left) { | |
8112 | ipr_cmd->u.time_left -= IPR_CHECK_FOR_RESET_TIMEOUT; | |
8113 | ipr_reset_start_timer(ipr_cmd, IPR_CHECK_FOR_RESET_TIMEOUT); | |
8114 | } else { | |
fb51ccbf | 8115 | ipr_cmd->job_step = ipr_reset_block_config_access; |
1da177e4 LT |
8116 | rc = IPR_RC_JOB_CONTINUE; |
8117 | } | |
8118 | ||
8119 | return rc; | |
8120 | } | |
8121 | ||
8122 | /** | |
8701f185 | 8123 | * ipr_reset_alert - Alert the adapter of a pending reset |
1da177e4 LT |
8124 | * @ipr_cmd: ipr command struct |
8125 | * | |
8126 | * Description: This function alerts the adapter that it will be reset. | |
8127 | * If memory space is not currently enabled, proceed directly | |
8128 | * to running BIST on the adapter. The timer must always be started | |
8129 | * so we guarantee we do not run BIST from ipr_isr. | |
8130 | * | |
8131 | * Return value: | |
8132 | * IPR_RC_JOB_RETURN | |
8133 | **/ | |
8134 | static int ipr_reset_alert(struct ipr_cmnd *ipr_cmd) | |
8135 | { | |
8136 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
8137 | u16 cmd_reg; | |
8138 | int rc; | |
8139 | ||
8140 | ENTER; | |
8141 | rc = pci_read_config_word(ioa_cfg->pdev, PCI_COMMAND, &cmd_reg); | |
8142 | ||
8143 | if ((rc == PCIBIOS_SUCCESSFUL) && (cmd_reg & PCI_COMMAND_MEMORY)) { | |
8144 | ipr_mask_and_clear_interrupts(ioa_cfg, ~0); | |
214777ba | 8145 | writel(IPR_UPROCI_RESET_ALERT, ioa_cfg->regs.set_uproc_interrupt_reg32); |
1da177e4 LT |
8146 | ipr_cmd->job_step = ipr_reset_wait_to_start_bist; |
8147 | } else { | |
fb51ccbf | 8148 | ipr_cmd->job_step = ipr_reset_block_config_access; |
1da177e4 LT |
8149 | } |
8150 | ||
8151 | ipr_cmd->u.time_left = IPR_WAIT_FOR_RESET_TIMEOUT; | |
8152 | ipr_reset_start_timer(ipr_cmd, IPR_CHECK_FOR_RESET_TIMEOUT); | |
8153 | ||
8154 | LEAVE; | |
8155 | return IPR_RC_JOB_RETURN; | |
8156 | } | |
8157 | ||
8158 | /** | |
8159 | * ipr_reset_ucode_download_done - Microcode download completion | |
8160 | * @ipr_cmd: ipr command struct | |
8161 | * | |
8162 | * Description: This function unmaps the microcode download buffer. | |
8163 | * | |
8164 | * Return value: | |
8165 | * IPR_RC_JOB_CONTINUE | |
8166 | **/ | |
8167 | static int ipr_reset_ucode_download_done(struct ipr_cmnd *ipr_cmd) | |
8168 | { | |
8169 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
8170 | struct ipr_sglist *sglist = ioa_cfg->ucode_sglist; | |
8171 | ||
8172 | pci_unmap_sg(ioa_cfg->pdev, sglist->scatterlist, | |
8173 | sglist->num_sg, DMA_TO_DEVICE); | |
8174 | ||
8175 | ipr_cmd->job_step = ipr_reset_alert; | |
8176 | return IPR_RC_JOB_CONTINUE; | |
8177 | } | |
8178 | ||
8179 | /** | |
8180 | * ipr_reset_ucode_download - Download microcode to the adapter | |
8181 | * @ipr_cmd: ipr command struct | |
8182 | * | |
8183 | * Description: This function checks to see if it there is microcode | |
8184 | * to download to the adapter. If there is, a download is performed. | |
8185 | * | |
8186 | * Return value: | |
8187 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
8188 | **/ | |
8189 | static int ipr_reset_ucode_download(struct ipr_cmnd *ipr_cmd) | |
8190 | { | |
8191 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
8192 | struct ipr_sglist *sglist = ioa_cfg->ucode_sglist; | |
8193 | ||
8194 | ENTER; | |
8195 | ipr_cmd->job_step = ipr_reset_alert; | |
8196 | ||
8197 | if (!sglist) | |
8198 | return IPR_RC_JOB_CONTINUE; | |
8199 | ||
8200 | ipr_cmd->ioarcb.res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE); | |
8201 | ipr_cmd->ioarcb.cmd_pkt.request_type = IPR_RQTYPE_SCSICDB; | |
8202 | ipr_cmd->ioarcb.cmd_pkt.cdb[0] = WRITE_BUFFER; | |
8203 | ipr_cmd->ioarcb.cmd_pkt.cdb[1] = IPR_WR_BUF_DOWNLOAD_AND_SAVE; | |
8204 | ipr_cmd->ioarcb.cmd_pkt.cdb[6] = (sglist->buffer_len & 0xff0000) >> 16; | |
8205 | ipr_cmd->ioarcb.cmd_pkt.cdb[7] = (sglist->buffer_len & 0x00ff00) >> 8; | |
8206 | ipr_cmd->ioarcb.cmd_pkt.cdb[8] = sglist->buffer_len & 0x0000ff; | |
8207 | ||
a32c055f WB |
8208 | if (ioa_cfg->sis64) |
8209 | ipr_build_ucode_ioadl64(ipr_cmd, sglist); | |
8210 | else | |
8211 | ipr_build_ucode_ioadl(ipr_cmd, sglist); | |
1da177e4 LT |
8212 | ipr_cmd->job_step = ipr_reset_ucode_download_done; |
8213 | ||
8214 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, | |
8215 | IPR_WRITE_BUFFER_TIMEOUT); | |
8216 | ||
8217 | LEAVE; | |
8218 | return IPR_RC_JOB_RETURN; | |
8219 | } | |
8220 | ||
8221 | /** | |
8222 | * ipr_reset_shutdown_ioa - Shutdown the adapter | |
8223 | * @ipr_cmd: ipr command struct | |
8224 | * | |
8225 | * Description: This function issues an adapter shutdown of the | |
8226 | * specified type to the specified adapter as part of the | |
8227 | * adapter reset job. | |
8228 | * | |
8229 | * Return value: | |
8230 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
8231 | **/ | |
8232 | static int ipr_reset_shutdown_ioa(struct ipr_cmnd *ipr_cmd) | |
8233 | { | |
8234 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
8235 | enum ipr_shutdown_type shutdown_type = ipr_cmd->u.shutdown_type; | |
8236 | unsigned long timeout; | |
8237 | int rc = IPR_RC_JOB_CONTINUE; | |
8238 | ||
8239 | ENTER; | |
8240 | if (shutdown_type != IPR_SHUTDOWN_NONE && !ioa_cfg->ioa_is_dead) { | |
8241 | ipr_cmd->ioarcb.res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE); | |
8242 | ipr_cmd->ioarcb.cmd_pkt.request_type = IPR_RQTYPE_IOACMD; | |
8243 | ipr_cmd->ioarcb.cmd_pkt.cdb[0] = IPR_IOA_SHUTDOWN; | |
8244 | ipr_cmd->ioarcb.cmd_pkt.cdb[1] = shutdown_type; | |
8245 | ||
ac09c349 BK |
8246 | if (shutdown_type == IPR_SHUTDOWN_NORMAL) |
8247 | timeout = IPR_SHUTDOWN_TIMEOUT; | |
1da177e4 LT |
8248 | else if (shutdown_type == IPR_SHUTDOWN_PREPARE_FOR_NORMAL) |
8249 | timeout = IPR_INTERNAL_TIMEOUT; | |
ac09c349 BK |
8250 | else if (ioa_cfg->dual_raid && ipr_dual_ioa_raid) |
8251 | timeout = IPR_DUAL_IOA_ABBR_SHUTDOWN_TO; | |
1da177e4 | 8252 | else |
ac09c349 | 8253 | timeout = IPR_ABBREV_SHUTDOWN_TIMEOUT; |
1da177e4 LT |
8254 | |
8255 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, timeout); | |
8256 | ||
8257 | rc = IPR_RC_JOB_RETURN; | |
8258 | ipr_cmd->job_step = ipr_reset_ucode_download; | |
8259 | } else | |
8260 | ipr_cmd->job_step = ipr_reset_alert; | |
8261 | ||
8262 | LEAVE; | |
8263 | return rc; | |
8264 | } | |
8265 | ||
8266 | /** | |
8267 | * ipr_reset_ioa_job - Adapter reset job | |
8268 | * @ipr_cmd: ipr command struct | |
8269 | * | |
8270 | * Description: This function is the job router for the adapter reset job. | |
8271 | * | |
8272 | * Return value: | |
8273 | * none | |
8274 | **/ | |
8275 | static void ipr_reset_ioa_job(struct ipr_cmnd *ipr_cmd) | |
8276 | { | |
8277 | u32 rc, ioasc; | |
1da177e4 LT |
8278 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; |
8279 | ||
8280 | do { | |
96d21f00 | 8281 | ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
1da177e4 LT |
8282 | |
8283 | if (ioa_cfg->reset_cmd != ipr_cmd) { | |
8284 | /* | |
8285 | * We are doing nested adapter resets and this is | |
8286 | * not the current reset job. | |
8287 | */ | |
05a6538a | 8288 | list_add_tail(&ipr_cmd->queue, |
8289 | &ipr_cmd->hrrq->hrrq_free_q); | |
1da177e4 LT |
8290 | return; |
8291 | } | |
8292 | ||
8293 | if (IPR_IOASC_SENSE_KEY(ioasc)) { | |
dfed823e | 8294 | rc = ipr_cmd->job_step_failed(ipr_cmd); |
8295 | if (rc == IPR_RC_JOB_RETURN) | |
8296 | return; | |
1da177e4 LT |
8297 | } |
8298 | ||
8299 | ipr_reinit_ipr_cmnd(ipr_cmd); | |
dfed823e | 8300 | ipr_cmd->job_step_failed = ipr_reset_cmd_failed; |
1da177e4 | 8301 | rc = ipr_cmd->job_step(ipr_cmd); |
203fa3fe | 8302 | } while (rc == IPR_RC_JOB_CONTINUE); |
1da177e4 LT |
8303 | } |
8304 | ||
8305 | /** | |
8306 | * _ipr_initiate_ioa_reset - Initiate an adapter reset | |
8307 | * @ioa_cfg: ioa config struct | |
8308 | * @job_step: first job step of reset job | |
8309 | * @shutdown_type: shutdown type | |
8310 | * | |
8311 | * Description: This function will initiate the reset of the given adapter | |
8312 | * starting at the selected job step. | |
8313 | * If the caller needs to wait on the completion of the reset, | |
8314 | * the caller must sleep on the reset_wait_q. | |
8315 | * | |
8316 | * Return value: | |
8317 | * none | |
8318 | **/ | |
8319 | static void _ipr_initiate_ioa_reset(struct ipr_ioa_cfg *ioa_cfg, | |
8320 | int (*job_step) (struct ipr_cmnd *), | |
8321 | enum ipr_shutdown_type shutdown_type) | |
8322 | { | |
8323 | struct ipr_cmnd *ipr_cmd; | |
8324 | ||
8325 | ioa_cfg->in_reset_reload = 1; | |
8326 | ioa_cfg->allow_cmds = 0; | |
8327 | scsi_block_requests(ioa_cfg->host); | |
8328 | ||
8329 | ipr_cmd = ipr_get_free_ipr_cmnd(ioa_cfg); | |
8330 | ioa_cfg->reset_cmd = ipr_cmd; | |
8331 | ipr_cmd->job_step = job_step; | |
8332 | ipr_cmd->u.shutdown_type = shutdown_type; | |
8333 | ||
8334 | ipr_reset_ioa_job(ipr_cmd); | |
8335 | } | |
8336 | ||
8337 | /** | |
8338 | * ipr_initiate_ioa_reset - Initiate an adapter reset | |
8339 | * @ioa_cfg: ioa config struct | |
8340 | * @shutdown_type: shutdown type | |
8341 | * | |
8342 | * Description: This function will initiate the reset of the given adapter. | |
8343 | * If the caller needs to wait on the completion of the reset, | |
8344 | * the caller must sleep on the reset_wait_q. | |
8345 | * | |
8346 | * Return value: | |
8347 | * none | |
8348 | **/ | |
8349 | static void ipr_initiate_ioa_reset(struct ipr_ioa_cfg *ioa_cfg, | |
8350 | enum ipr_shutdown_type shutdown_type) | |
8351 | { | |
8352 | if (ioa_cfg->ioa_is_dead) | |
8353 | return; | |
8354 | ||
41e9a696 BK |
8355 | if (ioa_cfg->in_reset_reload) { |
8356 | if (ioa_cfg->sdt_state == GET_DUMP) | |
8357 | ioa_cfg->sdt_state = WAIT_FOR_DUMP; | |
8358 | else if (ioa_cfg->sdt_state == READ_DUMP) | |
8359 | ioa_cfg->sdt_state = ABORT_DUMP; | |
8360 | } | |
1da177e4 LT |
8361 | |
8362 | if (ioa_cfg->reset_retries++ >= IPR_NUM_RESET_RELOAD_RETRIES) { | |
8363 | dev_err(&ioa_cfg->pdev->dev, | |
8364 | "IOA taken offline - error recovery failed\n"); | |
8365 | ||
8366 | ioa_cfg->reset_retries = 0; | |
8367 | ioa_cfg->ioa_is_dead = 1; | |
8368 | ||
8369 | if (ioa_cfg->in_ioa_bringdown) { | |
8370 | ioa_cfg->reset_cmd = NULL; | |
8371 | ioa_cfg->in_reset_reload = 0; | |
8372 | ipr_fail_all_ops(ioa_cfg); | |
8373 | wake_up_all(&ioa_cfg->reset_wait_q); | |
8374 | ||
8375 | spin_unlock_irq(ioa_cfg->host->host_lock); | |
8376 | scsi_unblock_requests(ioa_cfg->host); | |
8377 | spin_lock_irq(ioa_cfg->host->host_lock); | |
8378 | return; | |
8379 | } else { | |
8380 | ioa_cfg->in_ioa_bringdown = 1; | |
8381 | shutdown_type = IPR_SHUTDOWN_NONE; | |
8382 | } | |
8383 | } | |
8384 | ||
8385 | _ipr_initiate_ioa_reset(ioa_cfg, ipr_reset_shutdown_ioa, | |
8386 | shutdown_type); | |
8387 | } | |
8388 | ||
f8a88b19 LV |
8389 | /** |
8390 | * ipr_reset_freeze - Hold off all I/O activity | |
8391 | * @ipr_cmd: ipr command struct | |
8392 | * | |
8393 | * Description: If the PCI slot is frozen, hold off all I/O | |
8394 | * activity; then, as soon as the slot is available again, | |
8395 | * initiate an adapter reset. | |
8396 | */ | |
8397 | static int ipr_reset_freeze(struct ipr_cmnd *ipr_cmd) | |
8398 | { | |
8399 | /* Disallow new interrupts, avoid loop */ | |
8400 | ipr_cmd->ioa_cfg->allow_interrupts = 0; | |
05a6538a | 8401 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_pending_q); |
f8a88b19 LV |
8402 | ipr_cmd->done = ipr_reset_ioa_job; |
8403 | return IPR_RC_JOB_RETURN; | |
8404 | } | |
8405 | ||
8406 | /** | |
8407 | * ipr_pci_frozen - Called when slot has experienced a PCI bus error. | |
8408 | * @pdev: PCI device struct | |
8409 | * | |
8410 | * Description: This routine is called to tell us that the PCI bus | |
8411 | * is down. Can't do anything here, except put the device driver | |
8412 | * into a holding pattern, waiting for the PCI bus to come back. | |
8413 | */ | |
8414 | static void ipr_pci_frozen(struct pci_dev *pdev) | |
8415 | { | |
8416 | unsigned long flags = 0; | |
8417 | struct ipr_ioa_cfg *ioa_cfg = pci_get_drvdata(pdev); | |
8418 | ||
8419 | spin_lock_irqsave(ioa_cfg->host->host_lock, flags); | |
8420 | _ipr_initiate_ioa_reset(ioa_cfg, ipr_reset_freeze, IPR_SHUTDOWN_NONE); | |
8421 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); | |
8422 | } | |
8423 | ||
8424 | /** | |
8425 | * ipr_pci_slot_reset - Called when PCI slot has been reset. | |
8426 | * @pdev: PCI device struct | |
8427 | * | |
8428 | * Description: This routine is called by the pci error recovery | |
8429 | * code after the PCI slot has been reset, just before we | |
8430 | * should resume normal operations. | |
8431 | */ | |
8432 | static pci_ers_result_t ipr_pci_slot_reset(struct pci_dev *pdev) | |
8433 | { | |
8434 | unsigned long flags = 0; | |
8435 | struct ipr_ioa_cfg *ioa_cfg = pci_get_drvdata(pdev); | |
8436 | ||
8437 | spin_lock_irqsave(ioa_cfg->host->host_lock, flags); | |
463fc696 BK |
8438 | if (ioa_cfg->needs_warm_reset) |
8439 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); | |
8440 | else | |
8441 | _ipr_initiate_ioa_reset(ioa_cfg, ipr_reset_restore_cfg_space, | |
8442 | IPR_SHUTDOWN_NONE); | |
f8a88b19 LV |
8443 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); |
8444 | return PCI_ERS_RESULT_RECOVERED; | |
8445 | } | |
8446 | ||
8447 | /** | |
8448 | * ipr_pci_perm_failure - Called when PCI slot is dead for good. | |
8449 | * @pdev: PCI device struct | |
8450 | * | |
8451 | * Description: This routine is called when the PCI bus has | |
8452 | * permanently failed. | |
8453 | */ | |
8454 | static void ipr_pci_perm_failure(struct pci_dev *pdev) | |
8455 | { | |
8456 | unsigned long flags = 0; | |
8457 | struct ipr_ioa_cfg *ioa_cfg = pci_get_drvdata(pdev); | |
8458 | ||
8459 | spin_lock_irqsave(ioa_cfg->host->host_lock, flags); | |
8460 | if (ioa_cfg->sdt_state == WAIT_FOR_DUMP) | |
8461 | ioa_cfg->sdt_state = ABORT_DUMP; | |
8462 | ioa_cfg->reset_retries = IPR_NUM_RESET_RELOAD_RETRIES; | |
8463 | ioa_cfg->in_ioa_bringdown = 1; | |
6ff63896 | 8464 | ioa_cfg->allow_cmds = 0; |
f8a88b19 LV |
8465 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); |
8466 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); | |
8467 | } | |
8468 | ||
8469 | /** | |
8470 | * ipr_pci_error_detected - Called when a PCI error is detected. | |
8471 | * @pdev: PCI device struct | |
8472 | * @state: PCI channel state | |
8473 | * | |
8474 | * Description: Called when a PCI error is detected. | |
8475 | * | |
8476 | * Return value: | |
8477 | * PCI_ERS_RESULT_NEED_RESET or PCI_ERS_RESULT_DISCONNECT | |
8478 | */ | |
8479 | static pci_ers_result_t ipr_pci_error_detected(struct pci_dev *pdev, | |
8480 | pci_channel_state_t state) | |
8481 | { | |
8482 | switch (state) { | |
8483 | case pci_channel_io_frozen: | |
8484 | ipr_pci_frozen(pdev); | |
8485 | return PCI_ERS_RESULT_NEED_RESET; | |
8486 | case pci_channel_io_perm_failure: | |
8487 | ipr_pci_perm_failure(pdev); | |
8488 | return PCI_ERS_RESULT_DISCONNECT; | |
8489 | break; | |
8490 | default: | |
8491 | break; | |
8492 | } | |
8493 | return PCI_ERS_RESULT_NEED_RESET; | |
8494 | } | |
8495 | ||
1da177e4 LT |
8496 | /** |
8497 | * ipr_probe_ioa_part2 - Initializes IOAs found in ipr_probe_ioa(..) | |
8498 | * @ioa_cfg: ioa cfg struct | |
8499 | * | |
8500 | * Description: This is the second phase of adapter intialization | |
8501 | * This function takes care of initilizing the adapter to the point | |
8502 | * where it can accept new commands. | |
8503 | ||
8504 | * Return value: | |
b1c11812 | 8505 | * 0 on success / -EIO on failure |
1da177e4 | 8506 | **/ |
6f039790 | 8507 | static int ipr_probe_ioa_part2(struct ipr_ioa_cfg *ioa_cfg) |
1da177e4 LT |
8508 | { |
8509 | int rc = 0; | |
8510 | unsigned long host_lock_flags = 0; | |
8511 | ||
8512 | ENTER; | |
8513 | spin_lock_irqsave(ioa_cfg->host->host_lock, host_lock_flags); | |
8514 | dev_dbg(&ioa_cfg->pdev->dev, "ioa_cfg adx: 0x%p\n", ioa_cfg); | |
ce155cce | 8515 | if (ioa_cfg->needs_hard_reset) { |
8516 | ioa_cfg->needs_hard_reset = 0; | |
8517 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); | |
8518 | } else | |
8519 | _ipr_initiate_ioa_reset(ioa_cfg, ipr_reset_enable_ioa, | |
8520 | IPR_SHUTDOWN_NONE); | |
1da177e4 LT |
8521 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, host_lock_flags); |
8522 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
8523 | spin_lock_irqsave(ioa_cfg->host->host_lock, host_lock_flags); | |
8524 | ||
8525 | if (ioa_cfg->ioa_is_dead) { | |
8526 | rc = -EIO; | |
8527 | } else if (ipr_invalid_adapter(ioa_cfg)) { | |
8528 | if (!ipr_testmode) | |
8529 | rc = -EIO; | |
8530 | ||
8531 | dev_err(&ioa_cfg->pdev->dev, | |
8532 | "Adapter not supported in this hardware configuration.\n"); | |
8533 | } | |
8534 | ||
8535 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, host_lock_flags); | |
8536 | ||
8537 | LEAVE; | |
8538 | return rc; | |
8539 | } | |
8540 | ||
8541 | /** | |
8542 | * ipr_free_cmd_blks - Frees command blocks allocated for an adapter | |
8543 | * @ioa_cfg: ioa config struct | |
8544 | * | |
8545 | * Return value: | |
8546 | * none | |
8547 | **/ | |
8548 | static void ipr_free_cmd_blks(struct ipr_ioa_cfg *ioa_cfg) | |
8549 | { | |
8550 | int i; | |
8551 | ||
8552 | for (i = 0; i < IPR_NUM_CMD_BLKS; i++) { | |
8553 | if (ioa_cfg->ipr_cmnd_list[i]) | |
8554 | pci_pool_free(ioa_cfg->ipr_cmd_pool, | |
8555 | ioa_cfg->ipr_cmnd_list[i], | |
8556 | ioa_cfg->ipr_cmnd_list_dma[i]); | |
8557 | ||
8558 | ioa_cfg->ipr_cmnd_list[i] = NULL; | |
8559 | } | |
8560 | ||
8561 | if (ioa_cfg->ipr_cmd_pool) | |
203fa3fe | 8562 | pci_pool_destroy(ioa_cfg->ipr_cmd_pool); |
1da177e4 | 8563 | |
89aad428 BK |
8564 | kfree(ioa_cfg->ipr_cmnd_list); |
8565 | kfree(ioa_cfg->ipr_cmnd_list_dma); | |
8566 | ioa_cfg->ipr_cmnd_list = NULL; | |
8567 | ioa_cfg->ipr_cmnd_list_dma = NULL; | |
1da177e4 LT |
8568 | ioa_cfg->ipr_cmd_pool = NULL; |
8569 | } | |
8570 | ||
8571 | /** | |
8572 | * ipr_free_mem - Frees memory allocated for an adapter | |
8573 | * @ioa_cfg: ioa cfg struct | |
8574 | * | |
8575 | * Return value: | |
8576 | * nothing | |
8577 | **/ | |
8578 | static void ipr_free_mem(struct ipr_ioa_cfg *ioa_cfg) | |
8579 | { | |
8580 | int i; | |
8581 | ||
8582 | kfree(ioa_cfg->res_entries); | |
8583 | pci_free_consistent(ioa_cfg->pdev, sizeof(struct ipr_misc_cbs), | |
8584 | ioa_cfg->vpd_cbs, ioa_cfg->vpd_cbs_dma); | |
8585 | ipr_free_cmd_blks(ioa_cfg); | |
05a6538a | 8586 | |
8587 | for (i = 0; i < ioa_cfg->hrrq_num; i++) | |
8588 | pci_free_consistent(ioa_cfg->pdev, | |
8589 | sizeof(u32) * ioa_cfg->hrrq[i].size, | |
8590 | ioa_cfg->hrrq[i].host_rrq, | |
8591 | ioa_cfg->hrrq[i].host_rrq_dma); | |
8592 | ||
3e7ebdfa WB |
8593 | pci_free_consistent(ioa_cfg->pdev, ioa_cfg->cfg_table_size, |
8594 | ioa_cfg->u.cfg_table, | |
1da177e4 LT |
8595 | ioa_cfg->cfg_table_dma); |
8596 | ||
8597 | for (i = 0; i < IPR_NUM_HCAMS; i++) { | |
8598 | pci_free_consistent(ioa_cfg->pdev, | |
8599 | sizeof(struct ipr_hostrcb), | |
8600 | ioa_cfg->hostrcb[i], | |
8601 | ioa_cfg->hostrcb_dma[i]); | |
8602 | } | |
8603 | ||
8604 | ipr_free_dump(ioa_cfg); | |
1da177e4 LT |
8605 | kfree(ioa_cfg->trace); |
8606 | } | |
8607 | ||
8608 | /** | |
8609 | * ipr_free_all_resources - Free all allocated resources for an adapter. | |
8610 | * @ipr_cmd: ipr command struct | |
8611 | * | |
8612 | * This function frees all allocated resources for the | |
8613 | * specified adapter. | |
8614 | * | |
8615 | * Return value: | |
8616 | * none | |
8617 | **/ | |
8618 | static void ipr_free_all_resources(struct ipr_ioa_cfg *ioa_cfg) | |
8619 | { | |
8620 | struct pci_dev *pdev = ioa_cfg->pdev; | |
8621 | ||
8622 | ENTER; | |
05a6538a | 8623 | if (ioa_cfg->intr_flag == IPR_USE_MSI || |
8624 | ioa_cfg->intr_flag == IPR_USE_MSIX) { | |
8625 | int i; | |
8626 | for (i = 0; i < ioa_cfg->nvectors; i++) | |
8627 | free_irq(ioa_cfg->vectors_info[i].vec, | |
8628 | &ioa_cfg->hrrq[i]); | |
8629 | } else | |
8630 | free_irq(pdev->irq, &ioa_cfg->hrrq[0]); | |
8631 | ||
8632 | if (ioa_cfg->intr_flag == IPR_USE_MSI) | |
8633 | pci_disable_msi(pdev); | |
8634 | else if (ioa_cfg->intr_flag == IPR_USE_MSIX) | |
8635 | pci_disable_msix(pdev); | |
8636 | ||
1da177e4 LT |
8637 | iounmap(ioa_cfg->hdw_dma_regs); |
8638 | pci_release_regions(pdev); | |
8639 | ipr_free_mem(ioa_cfg); | |
8640 | scsi_host_put(ioa_cfg->host); | |
8641 | pci_disable_device(pdev); | |
8642 | LEAVE; | |
8643 | } | |
8644 | ||
8645 | /** | |
8646 | * ipr_alloc_cmd_blks - Allocate command blocks for an adapter | |
8647 | * @ioa_cfg: ioa config struct | |
8648 | * | |
8649 | * Return value: | |
8650 | * 0 on success / -ENOMEM on allocation failure | |
8651 | **/ | |
6f039790 | 8652 | static int ipr_alloc_cmd_blks(struct ipr_ioa_cfg *ioa_cfg) |
1da177e4 LT |
8653 | { |
8654 | struct ipr_cmnd *ipr_cmd; | |
8655 | struct ipr_ioarcb *ioarcb; | |
8656 | dma_addr_t dma_addr; | |
05a6538a | 8657 | int i, entries_each_hrrq, hrrq_id = 0; |
1da177e4 | 8658 | |
203fa3fe KSS |
8659 | ioa_cfg->ipr_cmd_pool = pci_pool_create(IPR_NAME, ioa_cfg->pdev, |
8660 | sizeof(struct ipr_cmnd), 512, 0); | |
1da177e4 LT |
8661 | |
8662 | if (!ioa_cfg->ipr_cmd_pool) | |
8663 | return -ENOMEM; | |
8664 | ||
89aad428 BK |
8665 | ioa_cfg->ipr_cmnd_list = kcalloc(IPR_NUM_CMD_BLKS, sizeof(struct ipr_cmnd *), GFP_KERNEL); |
8666 | ioa_cfg->ipr_cmnd_list_dma = kcalloc(IPR_NUM_CMD_BLKS, sizeof(dma_addr_t), GFP_KERNEL); | |
8667 | ||
8668 | if (!ioa_cfg->ipr_cmnd_list || !ioa_cfg->ipr_cmnd_list_dma) { | |
8669 | ipr_free_cmd_blks(ioa_cfg); | |
8670 | return -ENOMEM; | |
8671 | } | |
8672 | ||
05a6538a | 8673 | for (i = 0; i < ioa_cfg->hrrq_num; i++) { |
8674 | if (ioa_cfg->hrrq_num > 1) { | |
8675 | if (i == 0) { | |
8676 | entries_each_hrrq = IPR_NUM_INTERNAL_CMD_BLKS; | |
8677 | ioa_cfg->hrrq[i].min_cmd_id = 0; | |
8678 | ioa_cfg->hrrq[i].max_cmd_id = | |
8679 | (entries_each_hrrq - 1); | |
8680 | } else { | |
8681 | entries_each_hrrq = | |
8682 | IPR_NUM_BASE_CMD_BLKS/ | |
8683 | (ioa_cfg->hrrq_num - 1); | |
8684 | ioa_cfg->hrrq[i].min_cmd_id = | |
8685 | IPR_NUM_INTERNAL_CMD_BLKS + | |
8686 | (i - 1) * entries_each_hrrq; | |
8687 | ioa_cfg->hrrq[i].max_cmd_id = | |
8688 | (IPR_NUM_INTERNAL_CMD_BLKS + | |
8689 | i * entries_each_hrrq - 1); | |
8690 | } | |
8691 | } else { | |
8692 | entries_each_hrrq = IPR_NUM_CMD_BLKS; | |
8693 | ioa_cfg->hrrq[i].min_cmd_id = 0; | |
8694 | ioa_cfg->hrrq[i].max_cmd_id = (entries_each_hrrq - 1); | |
8695 | } | |
8696 | ioa_cfg->hrrq[i].size = entries_each_hrrq; | |
8697 | } | |
8698 | ||
8699 | BUG_ON(ioa_cfg->hrrq_num == 0); | |
8700 | ||
8701 | i = IPR_NUM_CMD_BLKS - | |
8702 | ioa_cfg->hrrq[ioa_cfg->hrrq_num - 1].max_cmd_id - 1; | |
8703 | if (i > 0) { | |
8704 | ioa_cfg->hrrq[ioa_cfg->hrrq_num - 1].size += i; | |
8705 | ioa_cfg->hrrq[ioa_cfg->hrrq_num - 1].max_cmd_id += i; | |
8706 | } | |
8707 | ||
1da177e4 | 8708 | for (i = 0; i < IPR_NUM_CMD_BLKS; i++) { |
203fa3fe | 8709 | ipr_cmd = pci_pool_alloc(ioa_cfg->ipr_cmd_pool, GFP_KERNEL, &dma_addr); |
1da177e4 LT |
8710 | |
8711 | if (!ipr_cmd) { | |
8712 | ipr_free_cmd_blks(ioa_cfg); | |
8713 | return -ENOMEM; | |
8714 | } | |
8715 | ||
8716 | memset(ipr_cmd, 0, sizeof(*ipr_cmd)); | |
8717 | ioa_cfg->ipr_cmnd_list[i] = ipr_cmd; | |
8718 | ioa_cfg->ipr_cmnd_list_dma[i] = dma_addr; | |
8719 | ||
8720 | ioarcb = &ipr_cmd->ioarcb; | |
a32c055f WB |
8721 | ipr_cmd->dma_addr = dma_addr; |
8722 | if (ioa_cfg->sis64) | |
8723 | ioarcb->a.ioarcb_host_pci_addr64 = cpu_to_be64(dma_addr); | |
8724 | else | |
8725 | ioarcb->a.ioarcb_host_pci_addr = cpu_to_be32(dma_addr); | |
8726 | ||
1da177e4 | 8727 | ioarcb->host_response_handle = cpu_to_be32(i << 2); |
a32c055f WB |
8728 | if (ioa_cfg->sis64) { |
8729 | ioarcb->u.sis64_addr_data.data_ioadl_addr = | |
8730 | cpu_to_be64(dma_addr + offsetof(struct ipr_cmnd, i.ioadl64)); | |
8731 | ioarcb->u.sis64_addr_data.ioasa_host_pci_addr = | |
96d21f00 | 8732 | cpu_to_be64(dma_addr + offsetof(struct ipr_cmnd, s.ioasa64)); |
a32c055f WB |
8733 | } else { |
8734 | ioarcb->write_ioadl_addr = | |
8735 | cpu_to_be32(dma_addr + offsetof(struct ipr_cmnd, i.ioadl)); | |
8736 | ioarcb->read_ioadl_addr = ioarcb->write_ioadl_addr; | |
8737 | ioarcb->ioasa_host_pci_addr = | |
96d21f00 | 8738 | cpu_to_be32(dma_addr + offsetof(struct ipr_cmnd, s.ioasa)); |
a32c055f | 8739 | } |
1da177e4 LT |
8740 | ioarcb->ioasa_len = cpu_to_be16(sizeof(struct ipr_ioasa)); |
8741 | ipr_cmd->cmd_index = i; | |
8742 | ipr_cmd->ioa_cfg = ioa_cfg; | |
8743 | ipr_cmd->sense_buffer_dma = dma_addr + | |
8744 | offsetof(struct ipr_cmnd, sense_buffer); | |
8745 | ||
05a6538a | 8746 | ipr_cmd->ioarcb.cmd_pkt.hrrq_id = hrrq_id; |
8747 | ipr_cmd->hrrq = &ioa_cfg->hrrq[hrrq_id]; | |
8748 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); | |
8749 | if (i >= ioa_cfg->hrrq[hrrq_id].max_cmd_id) | |
8750 | hrrq_id++; | |
1da177e4 LT |
8751 | } |
8752 | ||
8753 | return 0; | |
8754 | } | |
8755 | ||
8756 | /** | |
8757 | * ipr_alloc_mem - Allocate memory for an adapter | |
8758 | * @ioa_cfg: ioa config struct | |
8759 | * | |
8760 | * Return value: | |
8761 | * 0 on success / non-zero for error | |
8762 | **/ | |
6f039790 | 8763 | static int ipr_alloc_mem(struct ipr_ioa_cfg *ioa_cfg) |
1da177e4 LT |
8764 | { |
8765 | struct pci_dev *pdev = ioa_cfg->pdev; | |
8766 | int i, rc = -ENOMEM; | |
8767 | ||
8768 | ENTER; | |
0bc42e35 | 8769 | ioa_cfg->res_entries = kzalloc(sizeof(struct ipr_resource_entry) * |
3e7ebdfa | 8770 | ioa_cfg->max_devs_supported, GFP_KERNEL); |
1da177e4 LT |
8771 | |
8772 | if (!ioa_cfg->res_entries) | |
8773 | goto out; | |
8774 | ||
3e7ebdfa WB |
8775 | if (ioa_cfg->sis64) { |
8776 | ioa_cfg->target_ids = kzalloc(sizeof(unsigned long) * | |
8777 | BITS_TO_LONGS(ioa_cfg->max_devs_supported), GFP_KERNEL); | |
8778 | ioa_cfg->array_ids = kzalloc(sizeof(unsigned long) * | |
8779 | BITS_TO_LONGS(ioa_cfg->max_devs_supported), GFP_KERNEL); | |
8780 | ioa_cfg->vset_ids = kzalloc(sizeof(unsigned long) * | |
8781 | BITS_TO_LONGS(ioa_cfg->max_devs_supported), GFP_KERNEL); | |
a2e49cb2 BK |
8782 | |
8783 | if (!ioa_cfg->target_ids || !ioa_cfg->array_ids | |
8784 | || !ioa_cfg->vset_ids) | |
8785 | goto out_free_res_entries; | |
3e7ebdfa WB |
8786 | } |
8787 | ||
8788 | for (i = 0; i < ioa_cfg->max_devs_supported; i++) { | |
1da177e4 | 8789 | list_add_tail(&ioa_cfg->res_entries[i].queue, &ioa_cfg->free_res_q); |
3e7ebdfa WB |
8790 | ioa_cfg->res_entries[i].ioa_cfg = ioa_cfg; |
8791 | } | |
1da177e4 LT |
8792 | |
8793 | ioa_cfg->vpd_cbs = pci_alloc_consistent(ioa_cfg->pdev, | |
8794 | sizeof(struct ipr_misc_cbs), | |
8795 | &ioa_cfg->vpd_cbs_dma); | |
8796 | ||
8797 | if (!ioa_cfg->vpd_cbs) | |
8798 | goto out_free_res_entries; | |
8799 | ||
05a6538a | 8800 | for (i = 0; i < ioa_cfg->hrrq_num; i++) { |
8801 | INIT_LIST_HEAD(&ioa_cfg->hrrq[i].hrrq_free_q); | |
8802 | INIT_LIST_HEAD(&ioa_cfg->hrrq[i].hrrq_pending_q); | |
8803 | } | |
8804 | ||
1da177e4 LT |
8805 | if (ipr_alloc_cmd_blks(ioa_cfg)) |
8806 | goto out_free_vpd_cbs; | |
8807 | ||
05a6538a | 8808 | for (i = 0; i < ioa_cfg->hrrq_num; i++) { |
8809 | ioa_cfg->hrrq[i].host_rrq = pci_alloc_consistent(ioa_cfg->pdev, | |
8810 | sizeof(u32) * ioa_cfg->hrrq[i].size, | |
8811 | &ioa_cfg->hrrq[i].host_rrq_dma); | |
8812 | ||
8813 | if (!ioa_cfg->hrrq[i].host_rrq) { | |
8814 | while (--i > 0) | |
8815 | pci_free_consistent(pdev, | |
8816 | sizeof(u32) * ioa_cfg->hrrq[i].size, | |
8817 | ioa_cfg->hrrq[i].host_rrq, | |
8818 | ioa_cfg->hrrq[i].host_rrq_dma); | |
8819 | goto out_ipr_free_cmd_blocks; | |
8820 | } | |
8821 | ioa_cfg->hrrq[i].ioa_cfg = ioa_cfg; | |
8822 | } | |
1da177e4 | 8823 | |
3e7ebdfa WB |
8824 | ioa_cfg->u.cfg_table = pci_alloc_consistent(ioa_cfg->pdev, |
8825 | ioa_cfg->cfg_table_size, | |
8826 | &ioa_cfg->cfg_table_dma); | |
1da177e4 | 8827 | |
3e7ebdfa | 8828 | if (!ioa_cfg->u.cfg_table) |
1da177e4 LT |
8829 | goto out_free_host_rrq; |
8830 | ||
8831 | for (i = 0; i < IPR_NUM_HCAMS; i++) { | |
8832 | ioa_cfg->hostrcb[i] = pci_alloc_consistent(ioa_cfg->pdev, | |
8833 | sizeof(struct ipr_hostrcb), | |
8834 | &ioa_cfg->hostrcb_dma[i]); | |
8835 | ||
8836 | if (!ioa_cfg->hostrcb[i]) | |
8837 | goto out_free_hostrcb_dma; | |
8838 | ||
8839 | ioa_cfg->hostrcb[i]->hostrcb_dma = | |
8840 | ioa_cfg->hostrcb_dma[i] + offsetof(struct ipr_hostrcb, hcam); | |
49dc6a18 | 8841 | ioa_cfg->hostrcb[i]->ioa_cfg = ioa_cfg; |
1da177e4 LT |
8842 | list_add_tail(&ioa_cfg->hostrcb[i]->queue, &ioa_cfg->hostrcb_free_q); |
8843 | } | |
8844 | ||
0bc42e35 | 8845 | ioa_cfg->trace = kzalloc(sizeof(struct ipr_trace_entry) * |
1da177e4 LT |
8846 | IPR_NUM_TRACE_ENTRIES, GFP_KERNEL); |
8847 | ||
8848 | if (!ioa_cfg->trace) | |
8849 | goto out_free_hostrcb_dma; | |
8850 | ||
1da177e4 LT |
8851 | rc = 0; |
8852 | out: | |
8853 | LEAVE; | |
8854 | return rc; | |
8855 | ||
8856 | out_free_hostrcb_dma: | |
8857 | while (i-- > 0) { | |
8858 | pci_free_consistent(pdev, sizeof(struct ipr_hostrcb), | |
8859 | ioa_cfg->hostrcb[i], | |
8860 | ioa_cfg->hostrcb_dma[i]); | |
8861 | } | |
3e7ebdfa WB |
8862 | pci_free_consistent(pdev, ioa_cfg->cfg_table_size, |
8863 | ioa_cfg->u.cfg_table, | |
8864 | ioa_cfg->cfg_table_dma); | |
1da177e4 | 8865 | out_free_host_rrq: |
05a6538a | 8866 | for (i = 0; i < ioa_cfg->hrrq_num; i++) { |
8867 | pci_free_consistent(pdev, | |
8868 | sizeof(u32) * ioa_cfg->hrrq[i].size, | |
8869 | ioa_cfg->hrrq[i].host_rrq, | |
8870 | ioa_cfg->hrrq[i].host_rrq_dma); | |
8871 | } | |
1da177e4 LT |
8872 | out_ipr_free_cmd_blocks: |
8873 | ipr_free_cmd_blks(ioa_cfg); | |
8874 | out_free_vpd_cbs: | |
8875 | pci_free_consistent(pdev, sizeof(struct ipr_misc_cbs), | |
8876 | ioa_cfg->vpd_cbs, ioa_cfg->vpd_cbs_dma); | |
8877 | out_free_res_entries: | |
8878 | kfree(ioa_cfg->res_entries); | |
a2e49cb2 BK |
8879 | kfree(ioa_cfg->target_ids); |
8880 | kfree(ioa_cfg->array_ids); | |
8881 | kfree(ioa_cfg->vset_ids); | |
1da177e4 LT |
8882 | goto out; |
8883 | } | |
8884 | ||
8885 | /** | |
8886 | * ipr_initialize_bus_attr - Initialize SCSI bus attributes to default values | |
8887 | * @ioa_cfg: ioa config struct | |
8888 | * | |
8889 | * Return value: | |
8890 | * none | |
8891 | **/ | |
6f039790 | 8892 | static void ipr_initialize_bus_attr(struct ipr_ioa_cfg *ioa_cfg) |
1da177e4 LT |
8893 | { |
8894 | int i; | |
8895 | ||
8896 | for (i = 0; i < IPR_MAX_NUM_BUSES; i++) { | |
8897 | ioa_cfg->bus_attr[i].bus = i; | |
8898 | ioa_cfg->bus_attr[i].qas_enabled = 0; | |
8899 | ioa_cfg->bus_attr[i].bus_width = IPR_DEFAULT_BUS_WIDTH; | |
8900 | if (ipr_max_speed < ARRAY_SIZE(ipr_max_bus_speeds)) | |
8901 | ioa_cfg->bus_attr[i].max_xfer_rate = ipr_max_bus_speeds[ipr_max_speed]; | |
8902 | else | |
8903 | ioa_cfg->bus_attr[i].max_xfer_rate = IPR_U160_SCSI_RATE; | |
8904 | } | |
8905 | } | |
8906 | ||
8907 | /** | |
8908 | * ipr_init_ioa_cfg - Initialize IOA config struct | |
8909 | * @ioa_cfg: ioa config struct | |
8910 | * @host: scsi host struct | |
8911 | * @pdev: PCI dev struct | |
8912 | * | |
8913 | * Return value: | |
8914 | * none | |
8915 | **/ | |
6f039790 GKH |
8916 | static void ipr_init_ioa_cfg(struct ipr_ioa_cfg *ioa_cfg, |
8917 | struct Scsi_Host *host, struct pci_dev *pdev) | |
1da177e4 LT |
8918 | { |
8919 | const struct ipr_interrupt_offsets *p; | |
8920 | struct ipr_interrupts *t; | |
8921 | void __iomem *base; | |
8922 | ||
8923 | ioa_cfg->host = host; | |
8924 | ioa_cfg->pdev = pdev; | |
8925 | ioa_cfg->log_level = ipr_log_level; | |
3d1d0da6 | 8926 | ioa_cfg->doorbell = IPR_DOORBELL; |
1da177e4 LT |
8927 | sprintf(ioa_cfg->eye_catcher, IPR_EYECATCHER); |
8928 | sprintf(ioa_cfg->trace_start, IPR_TRACE_START_LABEL); | |
1da177e4 LT |
8929 | sprintf(ioa_cfg->cfg_table_start, IPR_CFG_TBL_START); |
8930 | sprintf(ioa_cfg->resource_table_label, IPR_RES_TABLE_LABEL); | |
8931 | sprintf(ioa_cfg->ipr_hcam_label, IPR_HCAM_LABEL); | |
8932 | sprintf(ioa_cfg->ipr_cmd_label, IPR_CMD_LABEL); | |
8933 | ||
1da177e4 LT |
8934 | INIT_LIST_HEAD(&ioa_cfg->hostrcb_free_q); |
8935 | INIT_LIST_HEAD(&ioa_cfg->hostrcb_pending_q); | |
8936 | INIT_LIST_HEAD(&ioa_cfg->free_res_q); | |
8937 | INIT_LIST_HEAD(&ioa_cfg->used_res_q); | |
c4028958 | 8938 | INIT_WORK(&ioa_cfg->work_q, ipr_worker_thread); |
1da177e4 | 8939 | init_waitqueue_head(&ioa_cfg->reset_wait_q); |
95fecd90 | 8940 | init_waitqueue_head(&ioa_cfg->msi_wait_q); |
1da177e4 LT |
8941 | ioa_cfg->sdt_state = INACTIVE; |
8942 | ||
8943 | ipr_initialize_bus_attr(ioa_cfg); | |
3e7ebdfa | 8944 | ioa_cfg->max_devs_supported = ipr_max_devs; |
1da177e4 | 8945 | |
3e7ebdfa WB |
8946 | if (ioa_cfg->sis64) { |
8947 | host->max_id = IPR_MAX_SIS64_TARGETS_PER_BUS; | |
8948 | host->max_lun = IPR_MAX_SIS64_LUNS_PER_TARGET; | |
8949 | if (ipr_max_devs > IPR_MAX_SIS64_DEVS) | |
8950 | ioa_cfg->max_devs_supported = IPR_MAX_SIS64_DEVS; | |
8951 | } else { | |
8952 | host->max_id = IPR_MAX_NUM_TARGETS_PER_BUS; | |
8953 | host->max_lun = IPR_MAX_NUM_LUNS_PER_TARGET; | |
8954 | if (ipr_max_devs > IPR_MAX_PHYSICAL_DEVS) | |
8955 | ioa_cfg->max_devs_supported = IPR_MAX_PHYSICAL_DEVS; | |
8956 | } | |
1da177e4 LT |
8957 | host->max_channel = IPR_MAX_BUS_TO_SCAN; |
8958 | host->unique_id = host->host_no; | |
8959 | host->max_cmd_len = IPR_MAX_CDB_LEN; | |
89aad428 | 8960 | host->can_queue = ioa_cfg->max_cmds; |
1da177e4 LT |
8961 | pci_set_drvdata(pdev, ioa_cfg); |
8962 | ||
8963 | p = &ioa_cfg->chip_cfg->regs; | |
8964 | t = &ioa_cfg->regs; | |
8965 | base = ioa_cfg->hdw_dma_regs; | |
8966 | ||
8967 | t->set_interrupt_mask_reg = base + p->set_interrupt_mask_reg; | |
8968 | t->clr_interrupt_mask_reg = base + p->clr_interrupt_mask_reg; | |
214777ba | 8969 | t->clr_interrupt_mask_reg32 = base + p->clr_interrupt_mask_reg32; |
1da177e4 | 8970 | t->sense_interrupt_mask_reg = base + p->sense_interrupt_mask_reg; |
214777ba | 8971 | t->sense_interrupt_mask_reg32 = base + p->sense_interrupt_mask_reg32; |
1da177e4 | 8972 | t->clr_interrupt_reg = base + p->clr_interrupt_reg; |
214777ba | 8973 | t->clr_interrupt_reg32 = base + p->clr_interrupt_reg32; |
1da177e4 | 8974 | t->sense_interrupt_reg = base + p->sense_interrupt_reg; |
214777ba | 8975 | t->sense_interrupt_reg32 = base + p->sense_interrupt_reg32; |
1da177e4 LT |
8976 | t->ioarrin_reg = base + p->ioarrin_reg; |
8977 | t->sense_uproc_interrupt_reg = base + p->sense_uproc_interrupt_reg; | |
214777ba | 8978 | t->sense_uproc_interrupt_reg32 = base + p->sense_uproc_interrupt_reg32; |
1da177e4 | 8979 | t->set_uproc_interrupt_reg = base + p->set_uproc_interrupt_reg; |
214777ba | 8980 | t->set_uproc_interrupt_reg32 = base + p->set_uproc_interrupt_reg32; |
1da177e4 | 8981 | t->clr_uproc_interrupt_reg = base + p->clr_uproc_interrupt_reg; |
214777ba | 8982 | t->clr_uproc_interrupt_reg32 = base + p->clr_uproc_interrupt_reg32; |
dcbad00e WB |
8983 | |
8984 | if (ioa_cfg->sis64) { | |
214777ba | 8985 | t->init_feedback_reg = base + p->init_feedback_reg; |
dcbad00e WB |
8986 | t->dump_addr_reg = base + p->dump_addr_reg; |
8987 | t->dump_data_reg = base + p->dump_data_reg; | |
8701f185 | 8988 | t->endian_swap_reg = base + p->endian_swap_reg; |
dcbad00e | 8989 | } |
1da177e4 LT |
8990 | } |
8991 | ||
8992 | /** | |
1be7bd82 | 8993 | * ipr_get_chip_info - Find adapter chip information |
1da177e4 LT |
8994 | * @dev_id: PCI device id struct |
8995 | * | |
8996 | * Return value: | |
1be7bd82 | 8997 | * ptr to chip information on success / NULL on failure |
1da177e4 | 8998 | **/ |
6f039790 | 8999 | static const struct ipr_chip_t * |
1be7bd82 | 9000 | ipr_get_chip_info(const struct pci_device_id *dev_id) |
1da177e4 LT |
9001 | { |
9002 | int i; | |
9003 | ||
1da177e4 LT |
9004 | for (i = 0; i < ARRAY_SIZE(ipr_chip); i++) |
9005 | if (ipr_chip[i].vendor == dev_id->vendor && | |
9006 | ipr_chip[i].device == dev_id->device) | |
1be7bd82 | 9007 | return &ipr_chip[i]; |
1da177e4 LT |
9008 | return NULL; |
9009 | } | |
9010 | ||
05a6538a | 9011 | static int ipr_enable_msix(struct ipr_ioa_cfg *ioa_cfg) |
9012 | { | |
9013 | struct msix_entry entries[IPR_MAX_MSIX_VECTORS]; | |
9014 | int i, err, vectors; | |
9015 | ||
9016 | for (i = 0; i < ARRAY_SIZE(entries); ++i) | |
9017 | entries[i].entry = i; | |
9018 | ||
9019 | vectors = ipr_number_of_msix; | |
9020 | ||
9021 | while ((err = pci_enable_msix(ioa_cfg->pdev, entries, vectors)) > 0) | |
9022 | vectors = err; | |
9023 | ||
9024 | if (err < 0) { | |
9025 | pci_disable_msix(ioa_cfg->pdev); | |
9026 | return err; | |
9027 | } | |
9028 | ||
9029 | if (!err) { | |
9030 | for (i = 0; i < vectors; i++) | |
9031 | ioa_cfg->vectors_info[i].vec = entries[i].vector; | |
9032 | ioa_cfg->nvectors = vectors; | |
9033 | } | |
9034 | ||
9035 | return err; | |
9036 | } | |
9037 | ||
9038 | static int ipr_enable_msi(struct ipr_ioa_cfg *ioa_cfg) | |
9039 | { | |
9040 | int i, err, vectors; | |
9041 | ||
9042 | vectors = ipr_number_of_msix; | |
9043 | ||
9044 | while ((err = pci_enable_msi_block(ioa_cfg->pdev, vectors)) > 0) | |
9045 | vectors = err; | |
9046 | ||
9047 | if (err < 0) { | |
9048 | pci_disable_msi(ioa_cfg->pdev); | |
9049 | return err; | |
9050 | } | |
9051 | ||
9052 | if (!err) { | |
9053 | for (i = 0; i < vectors; i++) | |
9054 | ioa_cfg->vectors_info[i].vec = ioa_cfg->pdev->irq + i; | |
9055 | ioa_cfg->nvectors = vectors; | |
9056 | } | |
9057 | ||
9058 | return err; | |
9059 | } | |
9060 | ||
9061 | static void name_msi_vectors(struct ipr_ioa_cfg *ioa_cfg) | |
9062 | { | |
9063 | int vec_idx, n = sizeof(ioa_cfg->vectors_info[0].desc) - 1; | |
9064 | ||
9065 | for (vec_idx = 0; vec_idx < ioa_cfg->nvectors; vec_idx++) { | |
9066 | snprintf(ioa_cfg->vectors_info[vec_idx].desc, n, | |
9067 | "host%d-%d", ioa_cfg->host->host_no, vec_idx); | |
9068 | ioa_cfg->vectors_info[vec_idx]. | |
9069 | desc[strlen(ioa_cfg->vectors_info[vec_idx].desc)] = 0; | |
9070 | } | |
9071 | } | |
9072 | ||
9073 | static int ipr_request_other_msi_irqs(struct ipr_ioa_cfg *ioa_cfg) | |
9074 | { | |
9075 | int i, rc; | |
9076 | ||
9077 | for (i = 1; i < ioa_cfg->nvectors; i++) { | |
9078 | rc = request_irq(ioa_cfg->vectors_info[i].vec, | |
9079 | ipr_isr_mhrrq, | |
9080 | 0, | |
9081 | ioa_cfg->vectors_info[i].desc, | |
9082 | &ioa_cfg->hrrq[i]); | |
9083 | if (rc) { | |
9084 | while (--i >= 0) | |
9085 | free_irq(ioa_cfg->vectors_info[i].vec, | |
9086 | &ioa_cfg->hrrq[i]); | |
9087 | return rc; | |
9088 | } | |
9089 | } | |
9090 | return 0; | |
9091 | } | |
9092 | ||
95fecd90 WB |
9093 | /** |
9094 | * ipr_test_intr - Handle the interrupt generated in ipr_test_msi(). | |
9095 | * @pdev: PCI device struct | |
9096 | * | |
9097 | * Description: Simply set the msi_received flag to 1 indicating that | |
9098 | * Message Signaled Interrupts are supported. | |
9099 | * | |
9100 | * Return value: | |
9101 | * 0 on success / non-zero on failure | |
9102 | **/ | |
6f039790 | 9103 | static irqreturn_t ipr_test_intr(int irq, void *devp) |
95fecd90 WB |
9104 | { |
9105 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)devp; | |
9106 | unsigned long lock_flags = 0; | |
9107 | irqreturn_t rc = IRQ_HANDLED; | |
9108 | ||
05a6538a | 9109 | dev_info(&ioa_cfg->pdev->dev, "Received IRQ : %d\n", irq); |
95fecd90 WB |
9110 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); |
9111 | ||
9112 | ioa_cfg->msi_received = 1; | |
9113 | wake_up(&ioa_cfg->msi_wait_q); | |
9114 | ||
9115 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
9116 | return rc; | |
9117 | } | |
9118 | ||
9119 | /** | |
9120 | * ipr_test_msi - Test for Message Signaled Interrupt (MSI) support. | |
9121 | * @pdev: PCI device struct | |
9122 | * | |
9123 | * Description: The return value from pci_enable_msi() can not always be | |
9124 | * trusted. This routine sets up and initiates a test interrupt to determine | |
9125 | * if the interrupt is received via the ipr_test_intr() service routine. | |
9126 | * If the tests fails, the driver will fall back to LSI. | |
9127 | * | |
9128 | * Return value: | |
9129 | * 0 on success / non-zero on failure | |
9130 | **/ | |
6f039790 | 9131 | static int ipr_test_msi(struct ipr_ioa_cfg *ioa_cfg, struct pci_dev *pdev) |
95fecd90 WB |
9132 | { |
9133 | int rc; | |
9134 | volatile u32 int_reg; | |
9135 | unsigned long lock_flags = 0; | |
9136 | ||
9137 | ENTER; | |
9138 | ||
9139 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
9140 | init_waitqueue_head(&ioa_cfg->msi_wait_q); | |
9141 | ioa_cfg->msi_received = 0; | |
9142 | ipr_mask_and_clear_interrupts(ioa_cfg, ~IPR_PCII_IOA_TRANS_TO_OPER); | |
214777ba | 9143 | writel(IPR_PCII_IO_DEBUG_ACKNOWLEDGE, ioa_cfg->regs.clr_interrupt_mask_reg32); |
95fecd90 WB |
9144 | int_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg); |
9145 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
9146 | ||
9147 | rc = request_irq(pdev->irq, ipr_test_intr, 0, IPR_NAME, ioa_cfg); | |
9148 | if (rc) { | |
9149 | dev_err(&pdev->dev, "Can not assign irq %d\n", pdev->irq); | |
9150 | return rc; | |
9151 | } else if (ipr_debug) | |
9152 | dev_info(&pdev->dev, "IRQ assigned: %d\n", pdev->irq); | |
9153 | ||
214777ba | 9154 | writel(IPR_PCII_IO_DEBUG_ACKNOWLEDGE, ioa_cfg->regs.sense_interrupt_reg32); |
95fecd90 WB |
9155 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg); |
9156 | wait_event_timeout(ioa_cfg->msi_wait_q, ioa_cfg->msi_received, HZ); | |
9157 | ipr_mask_and_clear_interrupts(ioa_cfg, ~IPR_PCII_IOA_TRANS_TO_OPER); | |
9158 | ||
9159 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
9160 | if (!ioa_cfg->msi_received) { | |
9161 | /* MSI test failed */ | |
9162 | dev_info(&pdev->dev, "MSI test failed. Falling back to LSI.\n"); | |
9163 | rc = -EOPNOTSUPP; | |
9164 | } else if (ipr_debug) | |
9165 | dev_info(&pdev->dev, "MSI test succeeded.\n"); | |
9166 | ||
9167 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
9168 | ||
9169 | free_irq(pdev->irq, ioa_cfg); | |
9170 | ||
9171 | LEAVE; | |
9172 | ||
9173 | return rc; | |
9174 | } | |
9175 | ||
05a6538a | 9176 | /* ipr_probe_ioa - Allocates memory and does first stage of initialization |
1da177e4 LT |
9177 | * @pdev: PCI device struct |
9178 | * @dev_id: PCI device id struct | |
9179 | * | |
9180 | * Return value: | |
9181 | * 0 on success / non-zero on failure | |
9182 | **/ | |
6f039790 GKH |
9183 | static int ipr_probe_ioa(struct pci_dev *pdev, |
9184 | const struct pci_device_id *dev_id) | |
1da177e4 LT |
9185 | { |
9186 | struct ipr_ioa_cfg *ioa_cfg; | |
9187 | struct Scsi_Host *host; | |
9188 | unsigned long ipr_regs_pci; | |
9189 | void __iomem *ipr_regs; | |
a2a65a3e | 9190 | int rc = PCIBIOS_SUCCESSFUL; |
473b1e8e | 9191 | volatile u32 mask, uproc, interrupts; |
1da177e4 LT |
9192 | |
9193 | ENTER; | |
9194 | ||
9195 | if ((rc = pci_enable_device(pdev))) { | |
9196 | dev_err(&pdev->dev, "Cannot enable adapter\n"); | |
9197 | goto out; | |
9198 | } | |
9199 | ||
9200 | dev_info(&pdev->dev, "Found IOA with IRQ: %d\n", pdev->irq); | |
9201 | ||
9202 | host = scsi_host_alloc(&driver_template, sizeof(*ioa_cfg)); | |
9203 | ||
9204 | if (!host) { | |
9205 | dev_err(&pdev->dev, "call to scsi_host_alloc failed!\n"); | |
9206 | rc = -ENOMEM; | |
9207 | goto out_disable; | |
9208 | } | |
9209 | ||
9210 | ioa_cfg = (struct ipr_ioa_cfg *)host->hostdata; | |
9211 | memset(ioa_cfg, 0, sizeof(struct ipr_ioa_cfg)); | |
8d8e7d13 | 9212 | ata_host_init(&ioa_cfg->ata_host, &pdev->dev, &ipr_sata_ops); |
1da177e4 | 9213 | |
1be7bd82 | 9214 | ioa_cfg->ipr_chip = ipr_get_chip_info(dev_id); |
1da177e4 | 9215 | |
1be7bd82 | 9216 | if (!ioa_cfg->ipr_chip) { |
1da177e4 LT |
9217 | dev_err(&pdev->dev, "Unknown adapter chipset 0x%04X 0x%04X\n", |
9218 | dev_id->vendor, dev_id->device); | |
9219 | goto out_scsi_host_put; | |
9220 | } | |
9221 | ||
a32c055f WB |
9222 | /* set SIS 32 or SIS 64 */ |
9223 | ioa_cfg->sis64 = ioa_cfg->ipr_chip->sis_type == IPR_SIS64 ? 1 : 0; | |
1be7bd82 | 9224 | ioa_cfg->chip_cfg = ioa_cfg->ipr_chip->cfg; |
7dd21308 | 9225 | ioa_cfg->clear_isr = ioa_cfg->chip_cfg->clear_isr; |
89aad428 | 9226 | ioa_cfg->max_cmds = ioa_cfg->chip_cfg->max_cmds; |
1be7bd82 | 9227 | |
5469cb5b BK |
9228 | if (ipr_transop_timeout) |
9229 | ioa_cfg->transop_timeout = ipr_transop_timeout; | |
9230 | else if (dev_id->driver_data & IPR_USE_LONG_TRANSOP_TIMEOUT) | |
9231 | ioa_cfg->transop_timeout = IPR_LONG_OPERATIONAL_TIMEOUT; | |
9232 | else | |
9233 | ioa_cfg->transop_timeout = IPR_OPERATIONAL_TIMEOUT; | |
9234 | ||
44c10138 | 9235 | ioa_cfg->revid = pdev->revision; |
463fc696 | 9236 | |
1da177e4 LT |
9237 | ipr_regs_pci = pci_resource_start(pdev, 0); |
9238 | ||
9239 | rc = pci_request_regions(pdev, IPR_NAME); | |
9240 | if (rc < 0) { | |
9241 | dev_err(&pdev->dev, | |
9242 | "Couldn't register memory range of registers\n"); | |
9243 | goto out_scsi_host_put; | |
9244 | } | |
9245 | ||
25729a7f | 9246 | ipr_regs = pci_ioremap_bar(pdev, 0); |
1da177e4 LT |
9247 | |
9248 | if (!ipr_regs) { | |
9249 | dev_err(&pdev->dev, | |
9250 | "Couldn't map memory range of registers\n"); | |
9251 | rc = -ENOMEM; | |
9252 | goto out_release_regions; | |
9253 | } | |
9254 | ||
9255 | ioa_cfg->hdw_dma_regs = ipr_regs; | |
9256 | ioa_cfg->hdw_dma_regs_pci = ipr_regs_pci; | |
9257 | ioa_cfg->ioa_mailbox = ioa_cfg->chip_cfg->mailbox + ipr_regs; | |
9258 | ||
9259 | ipr_init_ioa_cfg(ioa_cfg, host, pdev); | |
9260 | ||
9261 | pci_set_master(pdev); | |
9262 | ||
a32c055f WB |
9263 | if (ioa_cfg->sis64) { |
9264 | rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); | |
9265 | if (rc < 0) { | |
9266 | dev_dbg(&pdev->dev, "Failed to set 64 bit PCI DMA mask\n"); | |
9267 | rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); | |
9268 | } | |
9269 | ||
9270 | } else | |
9271 | rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); | |
9272 | ||
1da177e4 LT |
9273 | if (rc < 0) { |
9274 | dev_err(&pdev->dev, "Failed to set PCI DMA mask\n"); | |
9275 | goto cleanup_nomem; | |
9276 | } | |
9277 | ||
9278 | rc = pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, | |
9279 | ioa_cfg->chip_cfg->cache_line_size); | |
9280 | ||
9281 | if (rc != PCIBIOS_SUCCESSFUL) { | |
9282 | dev_err(&pdev->dev, "Write of cache line size failed\n"); | |
9283 | rc = -EIO; | |
9284 | goto cleanup_nomem; | |
9285 | } | |
9286 | ||
05a6538a | 9287 | if (ipr_number_of_msix > IPR_MAX_MSIX_VECTORS) { |
9288 | dev_err(&pdev->dev, "The max number of MSIX is %d\n", | |
9289 | IPR_MAX_MSIX_VECTORS); | |
9290 | ipr_number_of_msix = IPR_MAX_MSIX_VECTORS; | |
9291 | } | |
9292 | ||
9293 | if (ioa_cfg->ipr_chip->intr_type == IPR_USE_MSI && | |
9294 | ipr_enable_msix(ioa_cfg) == 0) | |
9295 | ioa_cfg->intr_flag = IPR_USE_MSIX; | |
9296 | else if (ioa_cfg->ipr_chip->intr_type == IPR_USE_MSI && | |
9297 | ipr_enable_msi(ioa_cfg) == 0) | |
9298 | ioa_cfg->intr_flag = IPR_USE_MSI; | |
9299 | else { | |
9300 | ioa_cfg->intr_flag = IPR_USE_LSI; | |
9301 | ioa_cfg->nvectors = 1; | |
9302 | dev_info(&pdev->dev, "Cannot enable MSI.\n"); | |
9303 | } | |
9304 | ||
9305 | if (ioa_cfg->intr_flag == IPR_USE_MSI || | |
9306 | ioa_cfg->intr_flag == IPR_USE_MSIX) { | |
95fecd90 | 9307 | rc = ipr_test_msi(ioa_cfg, pdev); |
05a6538a | 9308 | if (rc == -EOPNOTSUPP) { |
9309 | if (ioa_cfg->intr_flag == IPR_USE_MSI) { | |
9310 | ioa_cfg->intr_flag &= ~IPR_USE_MSI; | |
9311 | pci_disable_msi(pdev); | |
9312 | } else if (ioa_cfg->intr_flag == IPR_USE_MSIX) { | |
9313 | ioa_cfg->intr_flag &= ~IPR_USE_MSIX; | |
9314 | pci_disable_msix(pdev); | |
9315 | } | |
9316 | ||
9317 | ioa_cfg->intr_flag = IPR_USE_LSI; | |
9318 | ioa_cfg->nvectors = 1; | |
9319 | } | |
95fecd90 WB |
9320 | else if (rc) |
9321 | goto out_msi_disable; | |
05a6538a | 9322 | else { |
9323 | if (ioa_cfg->intr_flag == IPR_USE_MSI) | |
9324 | dev_info(&pdev->dev, | |
9325 | "Request for %d MSIs succeeded with starting IRQ: %d\n", | |
9326 | ioa_cfg->nvectors, pdev->irq); | |
9327 | else if (ioa_cfg->intr_flag == IPR_USE_MSIX) | |
9328 | dev_info(&pdev->dev, | |
9329 | "Request for %d MSIXs succeeded.", | |
9330 | ioa_cfg->nvectors); | |
9331 | } | |
9332 | } | |
9333 | ||
9334 | ioa_cfg->hrrq_num = min3(ioa_cfg->nvectors, | |
9335 | (unsigned int)num_online_cpus(), | |
9336 | (unsigned int)IPR_MAX_HRRQ_NUM); | |
95fecd90 | 9337 | |
1da177e4 LT |
9338 | /* Save away PCI config space for use following IOA reset */ |
9339 | rc = pci_save_state(pdev); | |
9340 | ||
9341 | if (rc != PCIBIOS_SUCCESSFUL) { | |
9342 | dev_err(&pdev->dev, "Failed to save PCI config space\n"); | |
9343 | rc = -EIO; | |
f170c684 | 9344 | goto out_msi_disable; |
1da177e4 LT |
9345 | } |
9346 | ||
9347 | if ((rc = ipr_save_pcix_cmd_reg(ioa_cfg))) | |
f170c684 | 9348 | goto out_msi_disable; |
1da177e4 LT |
9349 | |
9350 | if ((rc = ipr_set_pcix_cmd_reg(ioa_cfg))) | |
f170c684 | 9351 | goto out_msi_disable; |
1da177e4 | 9352 | |
3e7ebdfa WB |
9353 | if (ioa_cfg->sis64) |
9354 | ioa_cfg->cfg_table_size = (sizeof(struct ipr_config_table_hdr64) | |
9355 | + ((sizeof(struct ipr_config_table_entry64) | |
9356 | * ioa_cfg->max_devs_supported))); | |
9357 | else | |
9358 | ioa_cfg->cfg_table_size = (sizeof(struct ipr_config_table_hdr) | |
9359 | + ((sizeof(struct ipr_config_table_entry) | |
9360 | * ioa_cfg->max_devs_supported))); | |
9361 | ||
1da177e4 LT |
9362 | rc = ipr_alloc_mem(ioa_cfg); |
9363 | if (rc < 0) { | |
9364 | dev_err(&pdev->dev, | |
9365 | "Couldn't allocate enough memory for device driver!\n"); | |
f170c684 | 9366 | goto out_msi_disable; |
1da177e4 LT |
9367 | } |
9368 | ||
ce155cce | 9369 | /* |
9370 | * If HRRQ updated interrupt is not masked, or reset alert is set, | |
9371 | * the card is in an unknown state and needs a hard reset | |
9372 | */ | |
214777ba WB |
9373 | mask = readl(ioa_cfg->regs.sense_interrupt_mask_reg32); |
9374 | interrupts = readl(ioa_cfg->regs.sense_interrupt_reg32); | |
9375 | uproc = readl(ioa_cfg->regs.sense_uproc_interrupt_reg32); | |
ce155cce | 9376 | if ((mask & IPR_PCII_HRRQ_UPDATED) == 0 || (uproc & IPR_UPROCI_RESET_ALERT)) |
9377 | ioa_cfg->needs_hard_reset = 1; | |
5d7c20b7 | 9378 | if ((interrupts & IPR_PCII_ERROR_INTERRUPTS) || reset_devices) |
473b1e8e BK |
9379 | ioa_cfg->needs_hard_reset = 1; |
9380 | if (interrupts & IPR_PCII_IOA_UNIT_CHECKED) | |
9381 | ioa_cfg->ioa_unit_checked = 1; | |
ce155cce | 9382 | |
1da177e4 | 9383 | ipr_mask_and_clear_interrupts(ioa_cfg, ~IPR_PCII_IOA_TRANS_TO_OPER); |
1da177e4 | 9384 | |
05a6538a | 9385 | if (ioa_cfg->intr_flag == IPR_USE_MSI |
9386 | || ioa_cfg->intr_flag == IPR_USE_MSIX) { | |
9387 | name_msi_vectors(ioa_cfg); | |
9388 | rc = request_irq(ioa_cfg->vectors_info[0].vec, ipr_isr, | |
9389 | 0, | |
9390 | ioa_cfg->vectors_info[0].desc, | |
9391 | &ioa_cfg->hrrq[0]); | |
9392 | if (!rc) | |
9393 | rc = ipr_request_other_msi_irqs(ioa_cfg); | |
9394 | } else { | |
9395 | rc = request_irq(pdev->irq, ipr_isr, | |
9396 | IRQF_SHARED, | |
9397 | IPR_NAME, &ioa_cfg->hrrq[0]); | |
9398 | } | |
1da177e4 LT |
9399 | if (rc) { |
9400 | dev_err(&pdev->dev, "Couldn't register IRQ %d! rc=%d\n", | |
9401 | pdev->irq, rc); | |
9402 | goto cleanup_nolog; | |
9403 | } | |
9404 | ||
463fc696 BK |
9405 | if ((dev_id->driver_data & IPR_USE_PCI_WARM_RESET) || |
9406 | (dev_id->device == PCI_DEVICE_ID_IBM_OBSIDIAN_E && !ioa_cfg->revid)) { | |
9407 | ioa_cfg->needs_warm_reset = 1; | |
9408 | ioa_cfg->reset = ipr_reset_slot_reset; | |
9409 | } else | |
9410 | ioa_cfg->reset = ipr_reset_start_bist; | |
9411 | ||
1da177e4 LT |
9412 | spin_lock(&ipr_driver_lock); |
9413 | list_add_tail(&ioa_cfg->queue, &ipr_ioa_head); | |
9414 | spin_unlock(&ipr_driver_lock); | |
9415 | ||
9416 | LEAVE; | |
9417 | out: | |
9418 | return rc; | |
9419 | ||
9420 | cleanup_nolog: | |
9421 | ipr_free_mem(ioa_cfg); | |
95fecd90 | 9422 | out_msi_disable: |
05a6538a | 9423 | if (ioa_cfg->intr_flag == IPR_USE_MSI) |
9424 | pci_disable_msi(pdev); | |
9425 | else if (ioa_cfg->intr_flag == IPR_USE_MSIX) | |
9426 | pci_disable_msix(pdev); | |
f170c684 JL |
9427 | cleanup_nomem: |
9428 | iounmap(ipr_regs); | |
1da177e4 LT |
9429 | out_release_regions: |
9430 | pci_release_regions(pdev); | |
9431 | out_scsi_host_put: | |
9432 | scsi_host_put(host); | |
9433 | out_disable: | |
9434 | pci_disable_device(pdev); | |
9435 | goto out; | |
9436 | } | |
9437 | ||
9438 | /** | |
9439 | * ipr_scan_vsets - Scans for VSET devices | |
9440 | * @ioa_cfg: ioa config struct | |
9441 | * | |
9442 | * Description: Since the VSET resources do not follow SAM in that we can have | |
9443 | * sparse LUNs with no LUN 0, we have to scan for these ourselves. | |
9444 | * | |
9445 | * Return value: | |
9446 | * none | |
9447 | **/ | |
9448 | static void ipr_scan_vsets(struct ipr_ioa_cfg *ioa_cfg) | |
9449 | { | |
9450 | int target, lun; | |
9451 | ||
9452 | for (target = 0; target < IPR_MAX_NUM_TARGETS_PER_BUS; target++) | |
203fa3fe | 9453 | for (lun = 0; lun < IPR_MAX_NUM_VSET_LUNS_PER_TARGET; lun++) |
1da177e4 LT |
9454 | scsi_add_device(ioa_cfg->host, IPR_VSET_BUS, target, lun); |
9455 | } | |
9456 | ||
9457 | /** | |
9458 | * ipr_initiate_ioa_bringdown - Bring down an adapter | |
9459 | * @ioa_cfg: ioa config struct | |
9460 | * @shutdown_type: shutdown type | |
9461 | * | |
9462 | * Description: This function will initiate bringing down the adapter. | |
9463 | * This consists of issuing an IOA shutdown to the adapter | |
9464 | * to flush the cache, and running BIST. | |
9465 | * If the caller needs to wait on the completion of the reset, | |
9466 | * the caller must sleep on the reset_wait_q. | |
9467 | * | |
9468 | * Return value: | |
9469 | * none | |
9470 | **/ | |
9471 | static void ipr_initiate_ioa_bringdown(struct ipr_ioa_cfg *ioa_cfg, | |
9472 | enum ipr_shutdown_type shutdown_type) | |
9473 | { | |
9474 | ENTER; | |
9475 | if (ioa_cfg->sdt_state == WAIT_FOR_DUMP) | |
9476 | ioa_cfg->sdt_state = ABORT_DUMP; | |
9477 | ioa_cfg->reset_retries = 0; | |
9478 | ioa_cfg->in_ioa_bringdown = 1; | |
9479 | ipr_initiate_ioa_reset(ioa_cfg, shutdown_type); | |
9480 | LEAVE; | |
9481 | } | |
9482 | ||
9483 | /** | |
9484 | * __ipr_remove - Remove a single adapter | |
9485 | * @pdev: pci device struct | |
9486 | * | |
9487 | * Adapter hot plug remove entry point. | |
9488 | * | |
9489 | * Return value: | |
9490 | * none | |
9491 | **/ | |
9492 | static void __ipr_remove(struct pci_dev *pdev) | |
9493 | { | |
9494 | unsigned long host_lock_flags = 0; | |
9495 | struct ipr_ioa_cfg *ioa_cfg = pci_get_drvdata(pdev); | |
9496 | ENTER; | |
9497 | ||
9498 | spin_lock_irqsave(ioa_cfg->host->host_lock, host_lock_flags); | |
203fa3fe | 9499 | while (ioa_cfg->in_reset_reload) { |
970ea294 BK |
9500 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, host_lock_flags); |
9501 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
9502 | spin_lock_irqsave(ioa_cfg->host->host_lock, host_lock_flags); | |
9503 | } | |
9504 | ||
1da177e4 LT |
9505 | ipr_initiate_ioa_bringdown(ioa_cfg, IPR_SHUTDOWN_NORMAL); |
9506 | ||
9507 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, host_lock_flags); | |
9508 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
43829731 | 9509 | flush_work(&ioa_cfg->work_q); |
1da177e4 LT |
9510 | spin_lock_irqsave(ioa_cfg->host->host_lock, host_lock_flags); |
9511 | ||
9512 | spin_lock(&ipr_driver_lock); | |
9513 | list_del(&ioa_cfg->queue); | |
9514 | spin_unlock(&ipr_driver_lock); | |
9515 | ||
9516 | if (ioa_cfg->sdt_state == ABORT_DUMP) | |
9517 | ioa_cfg->sdt_state = WAIT_FOR_DUMP; | |
9518 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, host_lock_flags); | |
9519 | ||
9520 | ipr_free_all_resources(ioa_cfg); | |
9521 | ||
9522 | LEAVE; | |
9523 | } | |
9524 | ||
9525 | /** | |
9526 | * ipr_remove - IOA hot plug remove entry point | |
9527 | * @pdev: pci device struct | |
9528 | * | |
9529 | * Adapter hot plug remove entry point. | |
9530 | * | |
9531 | * Return value: | |
9532 | * none | |
9533 | **/ | |
6f039790 | 9534 | static void ipr_remove(struct pci_dev *pdev) |
1da177e4 LT |
9535 | { |
9536 | struct ipr_ioa_cfg *ioa_cfg = pci_get_drvdata(pdev); | |
9537 | ||
9538 | ENTER; | |
9539 | ||
ee959b00 | 9540 | ipr_remove_trace_file(&ioa_cfg->host->shost_dev.kobj, |
1da177e4 | 9541 | &ipr_trace_attr); |
ee959b00 | 9542 | ipr_remove_dump_file(&ioa_cfg->host->shost_dev.kobj, |
1da177e4 LT |
9543 | &ipr_dump_attr); |
9544 | scsi_remove_host(ioa_cfg->host); | |
9545 | ||
9546 | __ipr_remove(pdev); | |
9547 | ||
9548 | LEAVE; | |
9549 | } | |
9550 | ||
9551 | /** | |
9552 | * ipr_probe - Adapter hot plug add entry point | |
9553 | * | |
9554 | * Return value: | |
9555 | * 0 on success / non-zero on failure | |
9556 | **/ | |
6f039790 | 9557 | static int ipr_probe(struct pci_dev *pdev, const struct pci_device_id *dev_id) |
1da177e4 LT |
9558 | { |
9559 | struct ipr_ioa_cfg *ioa_cfg; | |
9560 | int rc; | |
9561 | ||
9562 | rc = ipr_probe_ioa(pdev, dev_id); | |
9563 | ||
9564 | if (rc) | |
9565 | return rc; | |
9566 | ||
9567 | ioa_cfg = pci_get_drvdata(pdev); | |
9568 | rc = ipr_probe_ioa_part2(ioa_cfg); | |
9569 | ||
9570 | if (rc) { | |
9571 | __ipr_remove(pdev); | |
9572 | return rc; | |
9573 | } | |
9574 | ||
9575 | rc = scsi_add_host(ioa_cfg->host, &pdev->dev); | |
9576 | ||
9577 | if (rc) { | |
9578 | __ipr_remove(pdev); | |
9579 | return rc; | |
9580 | } | |
9581 | ||
ee959b00 | 9582 | rc = ipr_create_trace_file(&ioa_cfg->host->shost_dev.kobj, |
1da177e4 LT |
9583 | &ipr_trace_attr); |
9584 | ||
9585 | if (rc) { | |
9586 | scsi_remove_host(ioa_cfg->host); | |
9587 | __ipr_remove(pdev); | |
9588 | return rc; | |
9589 | } | |
9590 | ||
ee959b00 | 9591 | rc = ipr_create_dump_file(&ioa_cfg->host->shost_dev.kobj, |
1da177e4 LT |
9592 | &ipr_dump_attr); |
9593 | ||
9594 | if (rc) { | |
ee959b00 | 9595 | ipr_remove_trace_file(&ioa_cfg->host->shost_dev.kobj, |
1da177e4 LT |
9596 | &ipr_trace_attr); |
9597 | scsi_remove_host(ioa_cfg->host); | |
9598 | __ipr_remove(pdev); | |
9599 | return rc; | |
9600 | } | |
9601 | ||
9602 | scsi_scan_host(ioa_cfg->host); | |
9603 | ipr_scan_vsets(ioa_cfg); | |
9604 | scsi_add_device(ioa_cfg->host, IPR_IOA_BUS, IPR_IOA_TARGET, IPR_IOA_LUN); | |
9605 | ioa_cfg->allow_ml_add_del = 1; | |
11cd8f12 | 9606 | ioa_cfg->host->max_channel = IPR_VSET_BUS; |
1da177e4 LT |
9607 | schedule_work(&ioa_cfg->work_q); |
9608 | return 0; | |
9609 | } | |
9610 | ||
9611 | /** | |
9612 | * ipr_shutdown - Shutdown handler. | |
d18c3db5 | 9613 | * @pdev: pci device struct |
1da177e4 LT |
9614 | * |
9615 | * This function is invoked upon system shutdown/reboot. It will issue | |
9616 | * an adapter shutdown to the adapter to flush the write cache. | |
9617 | * | |
9618 | * Return value: | |
9619 | * none | |
9620 | **/ | |
d18c3db5 | 9621 | static void ipr_shutdown(struct pci_dev *pdev) |
1da177e4 | 9622 | { |
d18c3db5 | 9623 | struct ipr_ioa_cfg *ioa_cfg = pci_get_drvdata(pdev); |
1da177e4 LT |
9624 | unsigned long lock_flags = 0; |
9625 | ||
9626 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
203fa3fe | 9627 | while (ioa_cfg->in_reset_reload) { |
970ea294 BK |
9628 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
9629 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
9630 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
9631 | } | |
9632 | ||
1da177e4 LT |
9633 | ipr_initiate_ioa_bringdown(ioa_cfg, IPR_SHUTDOWN_NORMAL); |
9634 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
9635 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
9636 | } | |
9637 | ||
6f039790 | 9638 | static struct pci_device_id ipr_pci_table[] = { |
1da177e4 | 9639 | { PCI_VENDOR_ID_MYLEX, PCI_DEVICE_ID_IBM_GEMSTONE, |
6d84c944 | 9640 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_5702, 0, 0, 0 }, |
1da177e4 | 9641 | { PCI_VENDOR_ID_MYLEX, PCI_DEVICE_ID_IBM_GEMSTONE, |
6d84c944 | 9642 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_5703, 0, 0, 0 }, |
1da177e4 | 9643 | { PCI_VENDOR_ID_MYLEX, PCI_DEVICE_ID_IBM_GEMSTONE, |
6d84c944 | 9644 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_573D, 0, 0, 0 }, |
1da177e4 | 9645 | { PCI_VENDOR_ID_MYLEX, PCI_DEVICE_ID_IBM_GEMSTONE, |
6d84c944 | 9646 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_573E, 0, 0, 0 }, |
1da177e4 | 9647 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CITRINE, |
6d84c944 | 9648 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_571B, 0, 0, 0 }, |
1da177e4 | 9649 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CITRINE, |
6d84c944 | 9650 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572E, 0, 0, 0 }, |
1da177e4 | 9651 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CITRINE, |
6d84c944 | 9652 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_571A, 0, 0, 0 }, |
86f51436 | 9653 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CITRINE, |
5469cb5b BK |
9654 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_575B, 0, 0, |
9655 | IPR_USE_LONG_TRANSOP_TIMEOUT }, | |
86f51436 | 9656 | { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN, |
6d84c944 | 9657 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572A, 0, 0, 0 }, |
86f51436 | 9658 | { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN, |
22d2e402 BK |
9659 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572B, 0, 0, |
9660 | IPR_USE_LONG_TRANSOP_TIMEOUT }, | |
60e7486b | 9661 | { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN, |
5469cb5b BK |
9662 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_575C, 0, 0, |
9663 | IPR_USE_LONG_TRANSOP_TIMEOUT }, | |
86f51436 | 9664 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN, |
6d84c944 | 9665 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572A, 0, 0, 0 }, |
86f51436 | 9666 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN, |
22d2e402 BK |
9667 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572B, 0, 0, |
9668 | IPR_USE_LONG_TRANSOP_TIMEOUT}, | |
60e7486b | 9669 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN, |
5469cb5b BK |
9670 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_575C, 0, 0, |
9671 | IPR_USE_LONG_TRANSOP_TIMEOUT }, | |
185eb31c | 9672 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E, |
22d2e402 BK |
9673 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_574E, 0, 0, |
9674 | IPR_USE_LONG_TRANSOP_TIMEOUT }, | |
185eb31c BK |
9675 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E, |
9676 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B3, 0, 0, 0 }, | |
b0f56d3d WB |
9677 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E, |
9678 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57CC, 0, 0, 0 }, | |
60e7486b | 9679 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E, |
5469cb5b | 9680 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B7, 0, 0, |
463fc696 | 9681 | IPR_USE_LONG_TRANSOP_TIMEOUT | IPR_USE_PCI_WARM_RESET }, |
1da177e4 | 9682 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_SNIPE, |
6d84c944 | 9683 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_2780, 0, 0, 0 }, |
1da177e4 | 9684 | { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP, |
6d84c944 | 9685 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_571E, 0, 0, 0 }, |
86f51436 | 9686 | { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP, |
5469cb5b BK |
9687 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_571F, 0, 0, |
9688 | IPR_USE_LONG_TRANSOP_TIMEOUT }, | |
60e7486b | 9689 | { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP, |
5469cb5b BK |
9690 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572F, 0, 0, |
9691 | IPR_USE_LONG_TRANSOP_TIMEOUT }, | |
d7b4627f WB |
9692 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_FPGA_E2, |
9693 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B5, 0, 0, 0 }, | |
9694 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_FPGA_E2, | |
9695 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_574D, 0, 0, 0 }, | |
9696 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_FPGA_E2, | |
9697 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B2, 0, 0, 0 }, | |
b8d5d568 | 9698 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_FPGA_E2, |
9699 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57C0, 0, 0, 0 }, | |
5a918353 WB |
9700 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_FPGA_E2, |
9701 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57C3, 0, 0, 0 }, | |
32622bde WB |
9702 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_FPGA_E2, |
9703 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57C4, 0, 0, 0 }, | |
cd9b3d04 | 9704 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, |
d7b4627f | 9705 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B4, 0, 0, 0 }, |
cd9b3d04 | 9706 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, |
d7b4627f | 9707 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B1, 0, 0, 0 }, |
cd9b3d04 | 9708 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, |
d7b4627f | 9709 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57C6, 0, 0, 0 }, |
cd9b3d04 WB |
9710 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, |
9711 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57C8, 0, 0, 0 }, | |
9712 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, | |
d7b4627f | 9713 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57CE, 0, 0, 0 }, |
b8d5d568 | 9714 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, |
9715 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57D5, 0, 0, 0 }, | |
9716 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, | |
9717 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57D6, 0, 0, 0 }, | |
9718 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, | |
9719 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57D7, 0, 0, 0 }, | |
9720 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, | |
9721 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57D8, 0, 0, 0 }, | |
1da177e4 LT |
9722 | { } |
9723 | }; | |
9724 | MODULE_DEVICE_TABLE(pci, ipr_pci_table); | |
9725 | ||
a55b2d21 | 9726 | static const struct pci_error_handlers ipr_err_handler = { |
f8a88b19 LV |
9727 | .error_detected = ipr_pci_error_detected, |
9728 | .slot_reset = ipr_pci_slot_reset, | |
9729 | }; | |
9730 | ||
1da177e4 LT |
9731 | static struct pci_driver ipr_driver = { |
9732 | .name = IPR_NAME, | |
9733 | .id_table = ipr_pci_table, | |
9734 | .probe = ipr_probe, | |
6f039790 | 9735 | .remove = ipr_remove, |
d18c3db5 | 9736 | .shutdown = ipr_shutdown, |
f8a88b19 | 9737 | .err_handler = &ipr_err_handler, |
1da177e4 LT |
9738 | }; |
9739 | ||
f72919ec WB |
9740 | /** |
9741 | * ipr_halt_done - Shutdown prepare completion | |
9742 | * | |
9743 | * Return value: | |
9744 | * none | |
9745 | **/ | |
9746 | static void ipr_halt_done(struct ipr_cmnd *ipr_cmd) | |
9747 | { | |
05a6538a | 9748 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
f72919ec WB |
9749 | } |
9750 | ||
9751 | /** | |
9752 | * ipr_halt - Issue shutdown prepare to all adapters | |
9753 | * | |
9754 | * Return value: | |
9755 | * NOTIFY_OK on success / NOTIFY_DONE on failure | |
9756 | **/ | |
9757 | static int ipr_halt(struct notifier_block *nb, ulong event, void *buf) | |
9758 | { | |
9759 | struct ipr_cmnd *ipr_cmd; | |
9760 | struct ipr_ioa_cfg *ioa_cfg; | |
9761 | unsigned long flags = 0; | |
9762 | ||
9763 | if (event != SYS_RESTART && event != SYS_HALT && event != SYS_POWER_OFF) | |
9764 | return NOTIFY_DONE; | |
9765 | ||
9766 | spin_lock(&ipr_driver_lock); | |
9767 | ||
9768 | list_for_each_entry(ioa_cfg, &ipr_ioa_head, queue) { | |
9769 | spin_lock_irqsave(ioa_cfg->host->host_lock, flags); | |
9770 | if (!ioa_cfg->allow_cmds) { | |
9771 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); | |
9772 | continue; | |
9773 | } | |
9774 | ||
9775 | ipr_cmd = ipr_get_free_ipr_cmnd(ioa_cfg); | |
9776 | ipr_cmd->ioarcb.res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE); | |
9777 | ipr_cmd->ioarcb.cmd_pkt.request_type = IPR_RQTYPE_IOACMD; | |
9778 | ipr_cmd->ioarcb.cmd_pkt.cdb[0] = IPR_IOA_SHUTDOWN; | |
9779 | ipr_cmd->ioarcb.cmd_pkt.cdb[1] = IPR_SHUTDOWN_PREPARE_FOR_NORMAL; | |
9780 | ||
9781 | ipr_do_req(ipr_cmd, ipr_halt_done, ipr_timeout, IPR_DEVICE_RESET_TIMEOUT); | |
9782 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); | |
9783 | } | |
9784 | spin_unlock(&ipr_driver_lock); | |
9785 | ||
9786 | return NOTIFY_OK; | |
9787 | } | |
9788 | ||
9789 | static struct notifier_block ipr_notifier = { | |
9790 | ipr_halt, NULL, 0 | |
9791 | }; | |
9792 | ||
1da177e4 LT |
9793 | /** |
9794 | * ipr_init - Module entry point | |
9795 | * | |
9796 | * Return value: | |
9797 | * 0 on success / negative value on failure | |
9798 | **/ | |
9799 | static int __init ipr_init(void) | |
9800 | { | |
9801 | ipr_info("IBM Power RAID SCSI Device Driver version: %s %s\n", | |
9802 | IPR_DRIVER_VERSION, IPR_DRIVER_DATE); | |
9803 | ||
f72919ec | 9804 | register_reboot_notifier(&ipr_notifier); |
dcbccbde | 9805 | return pci_register_driver(&ipr_driver); |
1da177e4 LT |
9806 | } |
9807 | ||
9808 | /** | |
9809 | * ipr_exit - Module unload | |
9810 | * | |
9811 | * Module unload entry point. | |
9812 | * | |
9813 | * Return value: | |
9814 | * none | |
9815 | **/ | |
9816 | static void __exit ipr_exit(void) | |
9817 | { | |
f72919ec | 9818 | unregister_reboot_notifier(&ipr_notifier); |
1da177e4 LT |
9819 | pci_unregister_driver(&ipr_driver); |
9820 | } | |
9821 | ||
9822 | module_init(ipr_init); | |
9823 | module_exit(ipr_exit); |