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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 BK |
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 BK |
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 | ||
56d6aa33 | 555 | trace_entry = &ioa_cfg->trace[atomic_add_return |
556 | (1, &ioa_cfg->trace_index)%IPR_NUM_TRACE_ENTRIES]; | |
1da177e4 LT |
557 | trace_entry->time = jiffies; |
558 | trace_entry->op_code = ipr_cmd->ioarcb.cmd_pkt.cdb[0]; | |
559 | trace_entry->type = type; | |
a32c055f WB |
560 | if (ipr_cmd->ioa_cfg->sis64) |
561 | trace_entry->ata_op_code = ipr_cmd->i.ata_ioadl.regs.command; | |
562 | else | |
563 | trace_entry->ata_op_code = ipr_cmd->ioarcb.u.add_data.u.regs.command; | |
35a39691 | 564 | trace_entry->cmd_index = ipr_cmd->cmd_index & 0xff; |
1da177e4 LT |
565 | trace_entry->res_handle = ipr_cmd->ioarcb.res_handle; |
566 | trace_entry->u.add_data = add_data; | |
56d6aa33 | 567 | wmb(); |
1da177e4 LT |
568 | } |
569 | #else | |
203fa3fe | 570 | #define ipr_trc_hook(ipr_cmd, type, add_data) do { } while (0) |
1da177e4 LT |
571 | #endif |
572 | ||
172cd6e1 BK |
573 | /** |
574 | * ipr_lock_and_done - Acquire lock and complete command | |
575 | * @ipr_cmd: ipr command struct | |
576 | * | |
577 | * Return value: | |
578 | * none | |
579 | **/ | |
580 | static void ipr_lock_and_done(struct ipr_cmnd *ipr_cmd) | |
581 | { | |
582 | unsigned long lock_flags; | |
583 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
584 | ||
585 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
586 | ipr_cmd->done(ipr_cmd); | |
587 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
588 | } | |
589 | ||
1da177e4 LT |
590 | /** |
591 | * ipr_reinit_ipr_cmnd - Re-initialize an IPR Cmnd block for reuse | |
592 | * @ipr_cmd: ipr command struct | |
593 | * | |
594 | * Return value: | |
595 | * none | |
596 | **/ | |
597 | static void ipr_reinit_ipr_cmnd(struct ipr_cmnd *ipr_cmd) | |
598 | { | |
599 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
96d21f00 WB |
600 | struct ipr_ioasa *ioasa = &ipr_cmd->s.ioasa; |
601 | struct ipr_ioasa64 *ioasa64 = &ipr_cmd->s.ioasa64; | |
a32c055f | 602 | dma_addr_t dma_addr = ipr_cmd->dma_addr; |
05a6538a | 603 | int hrrq_id; |
1da177e4 | 604 | |
05a6538a | 605 | hrrq_id = ioarcb->cmd_pkt.hrrq_id; |
1da177e4 | 606 | memset(&ioarcb->cmd_pkt, 0, sizeof(struct ipr_cmd_pkt)); |
05a6538a | 607 | ioarcb->cmd_pkt.hrrq_id = hrrq_id; |
a32c055f | 608 | ioarcb->data_transfer_length = 0; |
1da177e4 | 609 | ioarcb->read_data_transfer_length = 0; |
a32c055f | 610 | ioarcb->ioadl_len = 0; |
1da177e4 | 611 | ioarcb->read_ioadl_len = 0; |
a32c055f | 612 | |
96d21f00 | 613 | if (ipr_cmd->ioa_cfg->sis64) { |
a32c055f WB |
614 | ioarcb->u.sis64_addr_data.data_ioadl_addr = |
615 | cpu_to_be64(dma_addr + offsetof(struct ipr_cmnd, i.ioadl64)); | |
96d21f00 WB |
616 | ioasa64->u.gata.status = 0; |
617 | } else { | |
a32c055f WB |
618 | ioarcb->write_ioadl_addr = |
619 | cpu_to_be32(dma_addr + offsetof(struct ipr_cmnd, i.ioadl)); | |
620 | ioarcb->read_ioadl_addr = ioarcb->write_ioadl_addr; | |
96d21f00 | 621 | ioasa->u.gata.status = 0; |
a32c055f WB |
622 | } |
623 | ||
96d21f00 WB |
624 | ioasa->hdr.ioasc = 0; |
625 | ioasa->hdr.residual_data_len = 0; | |
1da177e4 | 626 | ipr_cmd->scsi_cmd = NULL; |
35a39691 | 627 | ipr_cmd->qc = NULL; |
1da177e4 LT |
628 | ipr_cmd->sense_buffer[0] = 0; |
629 | ipr_cmd->dma_use_sg = 0; | |
630 | } | |
631 | ||
632 | /** | |
633 | * ipr_init_ipr_cmnd - Initialize an IPR Cmnd block | |
634 | * @ipr_cmd: ipr command struct | |
635 | * | |
636 | * Return value: | |
637 | * none | |
638 | **/ | |
172cd6e1 BK |
639 | static void ipr_init_ipr_cmnd(struct ipr_cmnd *ipr_cmd, |
640 | void (*fast_done) (struct ipr_cmnd *)) | |
1da177e4 LT |
641 | { |
642 | ipr_reinit_ipr_cmnd(ipr_cmd); | |
643 | ipr_cmd->u.scratch = 0; | |
644 | ipr_cmd->sibling = NULL; | |
172cd6e1 | 645 | ipr_cmd->fast_done = fast_done; |
1da177e4 LT |
646 | init_timer(&ipr_cmd->timer); |
647 | } | |
648 | ||
649 | /** | |
00bfef2c | 650 | * __ipr_get_free_ipr_cmnd - Get a free IPR Cmnd block |
1da177e4 LT |
651 | * @ioa_cfg: ioa config struct |
652 | * | |
653 | * Return value: | |
654 | * pointer to ipr command struct | |
655 | **/ | |
656 | static | |
05a6538a | 657 | struct ipr_cmnd *__ipr_get_free_ipr_cmnd(struct ipr_hrr_queue *hrrq) |
1da177e4 | 658 | { |
05a6538a | 659 | struct ipr_cmnd *ipr_cmd = NULL; |
660 | ||
661 | if (likely(!list_empty(&hrrq->hrrq_free_q))) { | |
662 | ipr_cmd = list_entry(hrrq->hrrq_free_q.next, | |
663 | struct ipr_cmnd, queue); | |
664 | list_del(&ipr_cmd->queue); | |
665 | } | |
1da177e4 | 666 | |
1da177e4 LT |
667 | |
668 | return ipr_cmd; | |
669 | } | |
670 | ||
00bfef2c BK |
671 | /** |
672 | * ipr_get_free_ipr_cmnd - Get a free IPR Cmnd block and initialize it | |
673 | * @ioa_cfg: ioa config struct | |
674 | * | |
675 | * Return value: | |
676 | * pointer to ipr command struct | |
677 | **/ | |
678 | static | |
679 | struct ipr_cmnd *ipr_get_free_ipr_cmnd(struct ipr_ioa_cfg *ioa_cfg) | |
680 | { | |
05a6538a | 681 | struct ipr_cmnd *ipr_cmd = |
682 | __ipr_get_free_ipr_cmnd(&ioa_cfg->hrrq[IPR_INIT_HRRQ]); | |
172cd6e1 | 683 | ipr_init_ipr_cmnd(ipr_cmd, ipr_lock_and_done); |
00bfef2c BK |
684 | return ipr_cmd; |
685 | } | |
686 | ||
1da177e4 LT |
687 | /** |
688 | * ipr_mask_and_clear_interrupts - Mask all and clear specified interrupts | |
689 | * @ioa_cfg: ioa config struct | |
690 | * @clr_ints: interrupts to clear | |
691 | * | |
692 | * This function masks all interrupts on the adapter, then clears the | |
693 | * interrupts specified in the mask | |
694 | * | |
695 | * Return value: | |
696 | * none | |
697 | **/ | |
698 | static void ipr_mask_and_clear_interrupts(struct ipr_ioa_cfg *ioa_cfg, | |
699 | u32 clr_ints) | |
700 | { | |
701 | volatile u32 int_reg; | |
56d6aa33 | 702 | int i; |
1da177e4 LT |
703 | |
704 | /* Stop new interrupts */ | |
56d6aa33 | 705 | for (i = 0; i < ioa_cfg->hrrq_num; i++) { |
706 | spin_lock(&ioa_cfg->hrrq[i]._lock); | |
707 | ioa_cfg->hrrq[i].allow_interrupts = 0; | |
708 | spin_unlock(&ioa_cfg->hrrq[i]._lock); | |
709 | } | |
710 | wmb(); | |
1da177e4 LT |
711 | |
712 | /* Set interrupt mask to stop all new interrupts */ | |
214777ba WB |
713 | if (ioa_cfg->sis64) |
714 | writeq(~0, ioa_cfg->regs.set_interrupt_mask_reg); | |
715 | else | |
716 | writel(~0, ioa_cfg->regs.set_interrupt_mask_reg); | |
1da177e4 LT |
717 | |
718 | /* Clear any pending interrupts */ | |
214777ba WB |
719 | if (ioa_cfg->sis64) |
720 | writel(~0, ioa_cfg->regs.clr_interrupt_reg); | |
721 | writel(clr_ints, ioa_cfg->regs.clr_interrupt_reg32); | |
1da177e4 LT |
722 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg); |
723 | } | |
724 | ||
725 | /** | |
726 | * ipr_save_pcix_cmd_reg - Save PCI-X command register | |
727 | * @ioa_cfg: ioa config struct | |
728 | * | |
729 | * Return value: | |
730 | * 0 on success / -EIO on failure | |
731 | **/ | |
732 | static int ipr_save_pcix_cmd_reg(struct ipr_ioa_cfg *ioa_cfg) | |
733 | { | |
734 | int pcix_cmd_reg = pci_find_capability(ioa_cfg->pdev, PCI_CAP_ID_PCIX); | |
735 | ||
7dce0e1c BK |
736 | if (pcix_cmd_reg == 0) |
737 | return 0; | |
1da177e4 LT |
738 | |
739 | if (pci_read_config_word(ioa_cfg->pdev, pcix_cmd_reg + PCI_X_CMD, | |
740 | &ioa_cfg->saved_pcix_cmd_reg) != PCIBIOS_SUCCESSFUL) { | |
741 | dev_err(&ioa_cfg->pdev->dev, "Failed to save PCI-X command register\n"); | |
742 | return -EIO; | |
743 | } | |
744 | ||
745 | ioa_cfg->saved_pcix_cmd_reg |= PCI_X_CMD_DPERR_E | PCI_X_CMD_ERO; | |
746 | return 0; | |
747 | } | |
748 | ||
749 | /** | |
750 | * ipr_set_pcix_cmd_reg - Setup PCI-X command register | |
751 | * @ioa_cfg: ioa config struct | |
752 | * | |
753 | * Return value: | |
754 | * 0 on success / -EIO on failure | |
755 | **/ | |
756 | static int ipr_set_pcix_cmd_reg(struct ipr_ioa_cfg *ioa_cfg) | |
757 | { | |
758 | int pcix_cmd_reg = pci_find_capability(ioa_cfg->pdev, PCI_CAP_ID_PCIX); | |
759 | ||
760 | if (pcix_cmd_reg) { | |
761 | if (pci_write_config_word(ioa_cfg->pdev, pcix_cmd_reg + PCI_X_CMD, | |
762 | ioa_cfg->saved_pcix_cmd_reg) != PCIBIOS_SUCCESSFUL) { | |
763 | dev_err(&ioa_cfg->pdev->dev, "Failed to setup PCI-X command register\n"); | |
764 | return -EIO; | |
765 | } | |
1da177e4 LT |
766 | } |
767 | ||
768 | return 0; | |
769 | } | |
770 | ||
35a39691 BK |
771 | /** |
772 | * ipr_sata_eh_done - done function for aborted SATA commands | |
773 | * @ipr_cmd: ipr command struct | |
774 | * | |
775 | * This function is invoked for ops generated to SATA | |
776 | * devices which are being aborted. | |
777 | * | |
778 | * Return value: | |
779 | * none | |
780 | **/ | |
781 | static void ipr_sata_eh_done(struct ipr_cmnd *ipr_cmd) | |
782 | { | |
35a39691 BK |
783 | struct ata_queued_cmd *qc = ipr_cmd->qc; |
784 | struct ipr_sata_port *sata_port = qc->ap->private_data; | |
785 | ||
786 | qc->err_mask |= AC_ERR_OTHER; | |
787 | sata_port->ioasa.status |= ATA_BUSY; | |
05a6538a | 788 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
35a39691 BK |
789 | ata_qc_complete(qc); |
790 | } | |
791 | ||
1da177e4 LT |
792 | /** |
793 | * ipr_scsi_eh_done - mid-layer done function for aborted ops | |
794 | * @ipr_cmd: ipr command struct | |
795 | * | |
796 | * This function is invoked by the interrupt handler for | |
797 | * ops generated by the SCSI mid-layer which are being aborted. | |
798 | * | |
799 | * Return value: | |
800 | * none | |
801 | **/ | |
802 | static void ipr_scsi_eh_done(struct ipr_cmnd *ipr_cmd) | |
803 | { | |
1da177e4 LT |
804 | struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd; |
805 | ||
806 | scsi_cmd->result |= (DID_ERROR << 16); | |
807 | ||
63015bc9 | 808 | scsi_dma_unmap(ipr_cmd->scsi_cmd); |
1da177e4 | 809 | scsi_cmd->scsi_done(scsi_cmd); |
05a6538a | 810 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
1da177e4 LT |
811 | } |
812 | ||
813 | /** | |
814 | * ipr_fail_all_ops - Fails all outstanding ops. | |
815 | * @ioa_cfg: ioa config struct | |
816 | * | |
817 | * This function fails all outstanding ops. | |
818 | * | |
819 | * Return value: | |
820 | * none | |
821 | **/ | |
822 | static void ipr_fail_all_ops(struct ipr_ioa_cfg *ioa_cfg) | |
823 | { | |
824 | struct ipr_cmnd *ipr_cmd, *temp; | |
05a6538a | 825 | struct ipr_hrr_queue *hrrq; |
1da177e4 LT |
826 | |
827 | ENTER; | |
05a6538a | 828 | for_each_hrrq(hrrq, ioa_cfg) { |
56d6aa33 | 829 | spin_lock(&hrrq->_lock); |
05a6538a | 830 | list_for_each_entry_safe(ipr_cmd, |
831 | temp, &hrrq->hrrq_pending_q, queue) { | |
832 | list_del(&ipr_cmd->queue); | |
1da177e4 | 833 | |
05a6538a | 834 | ipr_cmd->s.ioasa.hdr.ioasc = |
835 | cpu_to_be32(IPR_IOASC_IOA_WAS_RESET); | |
836 | ipr_cmd->s.ioasa.hdr.ilid = | |
837 | cpu_to_be32(IPR_DRIVER_ILID); | |
1da177e4 | 838 | |
05a6538a | 839 | if (ipr_cmd->scsi_cmd) |
840 | ipr_cmd->done = ipr_scsi_eh_done; | |
841 | else if (ipr_cmd->qc) | |
842 | ipr_cmd->done = ipr_sata_eh_done; | |
1da177e4 | 843 | |
05a6538a | 844 | ipr_trc_hook(ipr_cmd, IPR_TRACE_FINISH, |
845 | IPR_IOASC_IOA_WAS_RESET); | |
846 | del_timer(&ipr_cmd->timer); | |
847 | ipr_cmd->done(ipr_cmd); | |
848 | } | |
56d6aa33 | 849 | spin_unlock(&hrrq->_lock); |
1da177e4 | 850 | } |
1da177e4 LT |
851 | LEAVE; |
852 | } | |
853 | ||
a32c055f WB |
854 | /** |
855 | * ipr_send_command - Send driver initiated requests. | |
856 | * @ipr_cmd: ipr command struct | |
857 | * | |
858 | * This function sends a command to the adapter using the correct write call. | |
859 | * In the case of sis64, calculate the ioarcb size required. Then or in the | |
860 | * appropriate bits. | |
861 | * | |
862 | * Return value: | |
863 | * none | |
864 | **/ | |
865 | static void ipr_send_command(struct ipr_cmnd *ipr_cmd) | |
866 | { | |
867 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
868 | dma_addr_t send_dma_addr = ipr_cmd->dma_addr; | |
869 | ||
870 | if (ioa_cfg->sis64) { | |
871 | /* The default size is 256 bytes */ | |
872 | send_dma_addr |= 0x1; | |
873 | ||
874 | /* If the number of ioadls * size of ioadl > 128 bytes, | |
875 | then use a 512 byte ioarcb */ | |
876 | if (ipr_cmd->dma_use_sg * sizeof(struct ipr_ioadl64_desc) > 128 ) | |
877 | send_dma_addr |= 0x4; | |
878 | writeq(send_dma_addr, ioa_cfg->regs.ioarrin_reg); | |
879 | } else | |
880 | writel(send_dma_addr, ioa_cfg->regs.ioarrin_reg); | |
881 | } | |
882 | ||
1da177e4 LT |
883 | /** |
884 | * ipr_do_req - Send driver initiated requests. | |
885 | * @ipr_cmd: ipr command struct | |
886 | * @done: done function | |
887 | * @timeout_func: timeout function | |
888 | * @timeout: timeout value | |
889 | * | |
890 | * This function sends the specified command to the adapter with the | |
891 | * timeout given. The done function is invoked on command completion. | |
892 | * | |
893 | * Return value: | |
894 | * none | |
895 | **/ | |
896 | static void ipr_do_req(struct ipr_cmnd *ipr_cmd, | |
897 | void (*done) (struct ipr_cmnd *), | |
898 | void (*timeout_func) (struct ipr_cmnd *), u32 timeout) | |
899 | { | |
05a6538a | 900 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_pending_q); |
1da177e4 LT |
901 | |
902 | ipr_cmd->done = done; | |
903 | ||
904 | ipr_cmd->timer.data = (unsigned long) ipr_cmd; | |
905 | ipr_cmd->timer.expires = jiffies + timeout; | |
906 | ipr_cmd->timer.function = (void (*)(unsigned long))timeout_func; | |
907 | ||
908 | add_timer(&ipr_cmd->timer); | |
909 | ||
910 | ipr_trc_hook(ipr_cmd, IPR_TRACE_START, 0); | |
911 | ||
a32c055f | 912 | ipr_send_command(ipr_cmd); |
1da177e4 LT |
913 | } |
914 | ||
915 | /** | |
916 | * ipr_internal_cmd_done - Op done function for an internally generated op. | |
917 | * @ipr_cmd: ipr command struct | |
918 | * | |
919 | * This function is the op done function for an internally generated, | |
920 | * blocking op. It simply wakes the sleeping thread. | |
921 | * | |
922 | * Return value: | |
923 | * none | |
924 | **/ | |
925 | static void ipr_internal_cmd_done(struct ipr_cmnd *ipr_cmd) | |
926 | { | |
927 | if (ipr_cmd->sibling) | |
928 | ipr_cmd->sibling = NULL; | |
929 | else | |
930 | complete(&ipr_cmd->completion); | |
931 | } | |
932 | ||
a32c055f WB |
933 | /** |
934 | * ipr_init_ioadl - initialize the ioadl for the correct SIS type | |
935 | * @ipr_cmd: ipr command struct | |
936 | * @dma_addr: dma address | |
937 | * @len: transfer length | |
938 | * @flags: ioadl flag value | |
939 | * | |
940 | * This function initializes an ioadl in the case where there is only a single | |
941 | * descriptor. | |
942 | * | |
943 | * Return value: | |
944 | * nothing | |
945 | **/ | |
946 | static void ipr_init_ioadl(struct ipr_cmnd *ipr_cmd, dma_addr_t dma_addr, | |
947 | u32 len, int flags) | |
948 | { | |
949 | struct ipr_ioadl_desc *ioadl = ipr_cmd->i.ioadl; | |
950 | struct ipr_ioadl64_desc *ioadl64 = ipr_cmd->i.ioadl64; | |
951 | ||
952 | ipr_cmd->dma_use_sg = 1; | |
953 | ||
954 | if (ipr_cmd->ioa_cfg->sis64) { | |
955 | ioadl64->flags = cpu_to_be32(flags); | |
956 | ioadl64->data_len = cpu_to_be32(len); | |
957 | ioadl64->address = cpu_to_be64(dma_addr); | |
958 | ||
959 | ipr_cmd->ioarcb.ioadl_len = | |
960 | cpu_to_be32(sizeof(struct ipr_ioadl64_desc)); | |
961 | ipr_cmd->ioarcb.data_transfer_length = cpu_to_be32(len); | |
962 | } else { | |
963 | ioadl->flags_and_data_len = cpu_to_be32(flags | len); | |
964 | ioadl->address = cpu_to_be32(dma_addr); | |
965 | ||
966 | if (flags == IPR_IOADL_FLAGS_READ_LAST) { | |
967 | ipr_cmd->ioarcb.read_ioadl_len = | |
968 | cpu_to_be32(sizeof(struct ipr_ioadl_desc)); | |
969 | ipr_cmd->ioarcb.read_data_transfer_length = cpu_to_be32(len); | |
970 | } else { | |
971 | ipr_cmd->ioarcb.ioadl_len = | |
972 | cpu_to_be32(sizeof(struct ipr_ioadl_desc)); | |
973 | ipr_cmd->ioarcb.data_transfer_length = cpu_to_be32(len); | |
974 | } | |
975 | } | |
976 | } | |
977 | ||
1da177e4 LT |
978 | /** |
979 | * ipr_send_blocking_cmd - Send command and sleep on its completion. | |
980 | * @ipr_cmd: ipr command struct | |
981 | * @timeout_func: function to invoke if command times out | |
982 | * @timeout: timeout | |
983 | * | |
984 | * Return value: | |
985 | * none | |
986 | **/ | |
987 | static void ipr_send_blocking_cmd(struct ipr_cmnd *ipr_cmd, | |
988 | void (*timeout_func) (struct ipr_cmnd *ipr_cmd), | |
989 | u32 timeout) | |
990 | { | |
991 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
992 | ||
993 | init_completion(&ipr_cmd->completion); | |
994 | ipr_do_req(ipr_cmd, ipr_internal_cmd_done, timeout_func, timeout); | |
995 | ||
996 | spin_unlock_irq(ioa_cfg->host->host_lock); | |
997 | wait_for_completion(&ipr_cmd->completion); | |
998 | spin_lock_irq(ioa_cfg->host->host_lock); | |
999 | } | |
1000 | ||
05a6538a | 1001 | static int ipr_get_hrrq_index(struct ipr_ioa_cfg *ioa_cfg) |
1002 | { | |
1003 | if (ioa_cfg->hrrq_num == 1) | |
56d6aa33 | 1004 | return 0; |
1005 | else | |
1006 | return (atomic_add_return(1, &ioa_cfg->hrrq_index) % (ioa_cfg->hrrq_num - 1)) + 1; | |
05a6538a | 1007 | } |
1008 | ||
1da177e4 LT |
1009 | /** |
1010 | * ipr_send_hcam - Send an HCAM to the adapter. | |
1011 | * @ioa_cfg: ioa config struct | |
1012 | * @type: HCAM type | |
1013 | * @hostrcb: hostrcb struct | |
1014 | * | |
1015 | * This function will send a Host Controlled Async command to the adapter. | |
1016 | * If HCAMs are currently not allowed to be issued to the adapter, it will | |
1017 | * place the hostrcb on the free queue. | |
1018 | * | |
1019 | * Return value: | |
1020 | * none | |
1021 | **/ | |
1022 | static void ipr_send_hcam(struct ipr_ioa_cfg *ioa_cfg, u8 type, | |
1023 | struct ipr_hostrcb *hostrcb) | |
1024 | { | |
1025 | struct ipr_cmnd *ipr_cmd; | |
1026 | struct ipr_ioarcb *ioarcb; | |
1027 | ||
56d6aa33 | 1028 | if (ioa_cfg->hrrq[IPR_INIT_HRRQ].allow_cmds) { |
1da177e4 | 1029 | ipr_cmd = ipr_get_free_ipr_cmnd(ioa_cfg); |
05a6538a | 1030 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_pending_q); |
1da177e4 LT |
1031 | list_add_tail(&hostrcb->queue, &ioa_cfg->hostrcb_pending_q); |
1032 | ||
1033 | ipr_cmd->u.hostrcb = hostrcb; | |
1034 | ioarcb = &ipr_cmd->ioarcb; | |
1035 | ||
1036 | ioarcb->res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE); | |
1037 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_HCAM; | |
1038 | ioarcb->cmd_pkt.cdb[0] = IPR_HOST_CONTROLLED_ASYNC; | |
1039 | ioarcb->cmd_pkt.cdb[1] = type; | |
1040 | ioarcb->cmd_pkt.cdb[7] = (sizeof(hostrcb->hcam) >> 8) & 0xff; | |
1041 | ioarcb->cmd_pkt.cdb[8] = sizeof(hostrcb->hcam) & 0xff; | |
1042 | ||
a32c055f WB |
1043 | ipr_init_ioadl(ipr_cmd, hostrcb->hostrcb_dma, |
1044 | sizeof(hostrcb->hcam), IPR_IOADL_FLAGS_READ_LAST); | |
1da177e4 LT |
1045 | |
1046 | if (type == IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE) | |
1047 | ipr_cmd->done = ipr_process_ccn; | |
1048 | else | |
1049 | ipr_cmd->done = ipr_process_error; | |
1050 | ||
1051 | ipr_trc_hook(ipr_cmd, IPR_TRACE_START, IPR_IOA_RES_ADDR); | |
1052 | ||
a32c055f | 1053 | ipr_send_command(ipr_cmd); |
1da177e4 LT |
1054 | } else { |
1055 | list_add_tail(&hostrcb->queue, &ioa_cfg->hostrcb_free_q); | |
1056 | } | |
1057 | } | |
1058 | ||
3e7ebdfa WB |
1059 | /** |
1060 | * ipr_update_ata_class - Update the ata class in the resource entry | |
1061 | * @res: resource entry struct | |
1062 | * @proto: cfgte device bus protocol value | |
1063 | * | |
1064 | * Return value: | |
1065 | * none | |
1066 | **/ | |
1067 | static void ipr_update_ata_class(struct ipr_resource_entry *res, unsigned int proto) | |
1068 | { | |
203fa3fe | 1069 | switch (proto) { |
3e7ebdfa WB |
1070 | case IPR_PROTO_SATA: |
1071 | case IPR_PROTO_SAS_STP: | |
1072 | res->ata_class = ATA_DEV_ATA; | |
1073 | break; | |
1074 | case IPR_PROTO_SATA_ATAPI: | |
1075 | case IPR_PROTO_SAS_STP_ATAPI: | |
1076 | res->ata_class = ATA_DEV_ATAPI; | |
1077 | break; | |
1078 | default: | |
1079 | res->ata_class = ATA_DEV_UNKNOWN; | |
1080 | break; | |
1081 | }; | |
1082 | } | |
1083 | ||
1da177e4 LT |
1084 | /** |
1085 | * ipr_init_res_entry - Initialize a resource entry struct. | |
1086 | * @res: resource entry struct | |
3e7ebdfa | 1087 | * @cfgtew: config table entry wrapper struct |
1da177e4 LT |
1088 | * |
1089 | * Return value: | |
1090 | * none | |
1091 | **/ | |
3e7ebdfa WB |
1092 | static void ipr_init_res_entry(struct ipr_resource_entry *res, |
1093 | struct ipr_config_table_entry_wrapper *cfgtew) | |
1da177e4 | 1094 | { |
3e7ebdfa WB |
1095 | int found = 0; |
1096 | unsigned int proto; | |
1097 | struct ipr_ioa_cfg *ioa_cfg = res->ioa_cfg; | |
1098 | struct ipr_resource_entry *gscsi_res = NULL; | |
1099 | ||
ee0a90fa | 1100 | res->needs_sync_complete = 0; |
1da177e4 LT |
1101 | res->in_erp = 0; |
1102 | res->add_to_ml = 0; | |
1103 | res->del_from_ml = 0; | |
1104 | res->resetting_device = 0; | |
1105 | res->sdev = NULL; | |
35a39691 | 1106 | res->sata_port = NULL; |
3e7ebdfa WB |
1107 | |
1108 | if (ioa_cfg->sis64) { | |
1109 | proto = cfgtew->u.cfgte64->proto; | |
1110 | res->res_flags = cfgtew->u.cfgte64->res_flags; | |
1111 | res->qmodel = IPR_QUEUEING_MODEL64(res); | |
438b0331 | 1112 | res->type = cfgtew->u.cfgte64->res_type; |
3e7ebdfa WB |
1113 | |
1114 | memcpy(res->res_path, &cfgtew->u.cfgte64->res_path, | |
1115 | sizeof(res->res_path)); | |
1116 | ||
1117 | res->bus = 0; | |
0cb992ed WB |
1118 | memcpy(&res->dev_lun.scsi_lun, &cfgtew->u.cfgte64->lun, |
1119 | sizeof(res->dev_lun.scsi_lun)); | |
3e7ebdfa WB |
1120 | res->lun = scsilun_to_int(&res->dev_lun); |
1121 | ||
1122 | if (res->type == IPR_RES_TYPE_GENERIC_SCSI) { | |
1123 | list_for_each_entry(gscsi_res, &ioa_cfg->used_res_q, queue) { | |
1124 | if (gscsi_res->dev_id == cfgtew->u.cfgte64->dev_id) { | |
1125 | found = 1; | |
1126 | res->target = gscsi_res->target; | |
1127 | break; | |
1128 | } | |
1129 | } | |
1130 | if (!found) { | |
1131 | res->target = find_first_zero_bit(ioa_cfg->target_ids, | |
1132 | ioa_cfg->max_devs_supported); | |
1133 | set_bit(res->target, ioa_cfg->target_ids); | |
1134 | } | |
3e7ebdfa WB |
1135 | } else if (res->type == IPR_RES_TYPE_IOAFP) { |
1136 | res->bus = IPR_IOAFP_VIRTUAL_BUS; | |
1137 | res->target = 0; | |
1138 | } else if (res->type == IPR_RES_TYPE_ARRAY) { | |
1139 | res->bus = IPR_ARRAY_VIRTUAL_BUS; | |
1140 | res->target = find_first_zero_bit(ioa_cfg->array_ids, | |
1141 | ioa_cfg->max_devs_supported); | |
1142 | set_bit(res->target, ioa_cfg->array_ids); | |
1143 | } else if (res->type == IPR_RES_TYPE_VOLUME_SET) { | |
1144 | res->bus = IPR_VSET_VIRTUAL_BUS; | |
1145 | res->target = find_first_zero_bit(ioa_cfg->vset_ids, | |
1146 | ioa_cfg->max_devs_supported); | |
1147 | set_bit(res->target, ioa_cfg->vset_ids); | |
1148 | } else { | |
1149 | res->target = find_first_zero_bit(ioa_cfg->target_ids, | |
1150 | ioa_cfg->max_devs_supported); | |
1151 | set_bit(res->target, ioa_cfg->target_ids); | |
1152 | } | |
1153 | } else { | |
1154 | proto = cfgtew->u.cfgte->proto; | |
1155 | res->qmodel = IPR_QUEUEING_MODEL(res); | |
1156 | res->flags = cfgtew->u.cfgte->flags; | |
1157 | if (res->flags & IPR_IS_IOA_RESOURCE) | |
1158 | res->type = IPR_RES_TYPE_IOAFP; | |
1159 | else | |
1160 | res->type = cfgtew->u.cfgte->rsvd_subtype & 0x0f; | |
1161 | ||
1162 | res->bus = cfgtew->u.cfgte->res_addr.bus; | |
1163 | res->target = cfgtew->u.cfgte->res_addr.target; | |
1164 | res->lun = cfgtew->u.cfgte->res_addr.lun; | |
46d74563 | 1165 | res->lun_wwn = get_unaligned_be64(cfgtew->u.cfgte->lun_wwn); |
3e7ebdfa WB |
1166 | } |
1167 | ||
1168 | ipr_update_ata_class(res, proto); | |
1169 | } | |
1170 | ||
1171 | /** | |
1172 | * ipr_is_same_device - Determine if two devices are the same. | |
1173 | * @res: resource entry struct | |
1174 | * @cfgtew: config table entry wrapper struct | |
1175 | * | |
1176 | * Return value: | |
1177 | * 1 if the devices are the same / 0 otherwise | |
1178 | **/ | |
1179 | static int ipr_is_same_device(struct ipr_resource_entry *res, | |
1180 | struct ipr_config_table_entry_wrapper *cfgtew) | |
1181 | { | |
1182 | if (res->ioa_cfg->sis64) { | |
1183 | if (!memcmp(&res->dev_id, &cfgtew->u.cfgte64->dev_id, | |
1184 | sizeof(cfgtew->u.cfgte64->dev_id)) && | |
0cb992ed | 1185 | !memcmp(&res->dev_lun.scsi_lun, &cfgtew->u.cfgte64->lun, |
3e7ebdfa WB |
1186 | sizeof(cfgtew->u.cfgte64->lun))) { |
1187 | return 1; | |
1188 | } | |
1189 | } else { | |
1190 | if (res->bus == cfgtew->u.cfgte->res_addr.bus && | |
1191 | res->target == cfgtew->u.cfgte->res_addr.target && | |
1192 | res->lun == cfgtew->u.cfgte->res_addr.lun) | |
1193 | return 1; | |
1194 | } | |
1195 | ||
1196 | return 0; | |
1197 | } | |
1198 | ||
1199 | /** | |
b3b3b407 | 1200 | * __ipr_format_res_path - Format the resource path for printing. |
3e7ebdfa WB |
1201 | * @res_path: resource path |
1202 | * @buf: buffer | |
b3b3b407 | 1203 | * @len: length of buffer provided |
3e7ebdfa WB |
1204 | * |
1205 | * Return value: | |
1206 | * pointer to buffer | |
1207 | **/ | |
b3b3b407 | 1208 | static char *__ipr_format_res_path(u8 *res_path, char *buffer, int len) |
3e7ebdfa WB |
1209 | { |
1210 | int i; | |
5adcbeb3 | 1211 | char *p = buffer; |
3e7ebdfa | 1212 | |
46d74563 | 1213 | *p = '\0'; |
5adcbeb3 WB |
1214 | p += snprintf(p, buffer + len - p, "%02X", res_path[0]); |
1215 | for (i = 1; res_path[i] != 0xff && ((i * 3) < len); i++) | |
1216 | p += snprintf(p, buffer + len - p, "-%02X", res_path[i]); | |
3e7ebdfa WB |
1217 | |
1218 | return buffer; | |
1219 | } | |
1220 | ||
b3b3b407 BK |
1221 | /** |
1222 | * ipr_format_res_path - Format the resource path for printing. | |
1223 | * @ioa_cfg: ioa config struct | |
1224 | * @res_path: resource path | |
1225 | * @buf: buffer | |
1226 | * @len: length of buffer provided | |
1227 | * | |
1228 | * Return value: | |
1229 | * pointer to buffer | |
1230 | **/ | |
1231 | static char *ipr_format_res_path(struct ipr_ioa_cfg *ioa_cfg, | |
1232 | u8 *res_path, char *buffer, int len) | |
1233 | { | |
1234 | char *p = buffer; | |
1235 | ||
1236 | *p = '\0'; | |
1237 | p += snprintf(p, buffer + len - p, "%d/", ioa_cfg->host->host_no); | |
1238 | __ipr_format_res_path(res_path, p, len - (buffer - p)); | |
1239 | return buffer; | |
1240 | } | |
1241 | ||
3e7ebdfa WB |
1242 | /** |
1243 | * ipr_update_res_entry - Update the resource entry. | |
1244 | * @res: resource entry struct | |
1245 | * @cfgtew: config table entry wrapper struct | |
1246 | * | |
1247 | * Return value: | |
1248 | * none | |
1249 | **/ | |
1250 | static void ipr_update_res_entry(struct ipr_resource_entry *res, | |
1251 | struct ipr_config_table_entry_wrapper *cfgtew) | |
1252 | { | |
1253 | char buffer[IPR_MAX_RES_PATH_LENGTH]; | |
1254 | unsigned int proto; | |
1255 | int new_path = 0; | |
1256 | ||
1257 | if (res->ioa_cfg->sis64) { | |
1258 | res->flags = cfgtew->u.cfgte64->flags; | |
1259 | res->res_flags = cfgtew->u.cfgte64->res_flags; | |
75576bb9 | 1260 | res->type = cfgtew->u.cfgte64->res_type; |
3e7ebdfa WB |
1261 | |
1262 | memcpy(&res->std_inq_data, &cfgtew->u.cfgte64->std_inq_data, | |
1263 | sizeof(struct ipr_std_inq_data)); | |
1264 | ||
1265 | res->qmodel = IPR_QUEUEING_MODEL64(res); | |
1266 | proto = cfgtew->u.cfgte64->proto; | |
1267 | res->res_handle = cfgtew->u.cfgte64->res_handle; | |
1268 | res->dev_id = cfgtew->u.cfgte64->dev_id; | |
1269 | ||
1270 | memcpy(&res->dev_lun.scsi_lun, &cfgtew->u.cfgte64->lun, | |
1271 | sizeof(res->dev_lun.scsi_lun)); | |
1272 | ||
1273 | if (memcmp(res->res_path, &cfgtew->u.cfgte64->res_path, | |
1274 | sizeof(res->res_path))) { | |
1275 | memcpy(res->res_path, &cfgtew->u.cfgte64->res_path, | |
1276 | sizeof(res->res_path)); | |
1277 | new_path = 1; | |
1278 | } | |
1279 | ||
1280 | if (res->sdev && new_path) | |
1281 | sdev_printk(KERN_INFO, res->sdev, "Resource path: %s\n", | |
b3b3b407 BK |
1282 | ipr_format_res_path(res->ioa_cfg, |
1283 | res->res_path, buffer, sizeof(buffer))); | |
3e7ebdfa WB |
1284 | } else { |
1285 | res->flags = cfgtew->u.cfgte->flags; | |
1286 | if (res->flags & IPR_IS_IOA_RESOURCE) | |
1287 | res->type = IPR_RES_TYPE_IOAFP; | |
1288 | else | |
1289 | res->type = cfgtew->u.cfgte->rsvd_subtype & 0x0f; | |
1290 | ||
1291 | memcpy(&res->std_inq_data, &cfgtew->u.cfgte->std_inq_data, | |
1292 | sizeof(struct ipr_std_inq_data)); | |
1293 | ||
1294 | res->qmodel = IPR_QUEUEING_MODEL(res); | |
1295 | proto = cfgtew->u.cfgte->proto; | |
1296 | res->res_handle = cfgtew->u.cfgte->res_handle; | |
1297 | } | |
1298 | ||
1299 | ipr_update_ata_class(res, proto); | |
1300 | } | |
1301 | ||
1302 | /** | |
1303 | * ipr_clear_res_target - Clear the bit in the bit map representing the target | |
1304 | * for the resource. | |
1305 | * @res: resource entry struct | |
1306 | * @cfgtew: config table entry wrapper struct | |
1307 | * | |
1308 | * Return value: | |
1309 | * none | |
1310 | **/ | |
1311 | static void ipr_clear_res_target(struct ipr_resource_entry *res) | |
1312 | { | |
1313 | struct ipr_resource_entry *gscsi_res = NULL; | |
1314 | struct ipr_ioa_cfg *ioa_cfg = res->ioa_cfg; | |
1315 | ||
1316 | if (!ioa_cfg->sis64) | |
1317 | return; | |
1318 | ||
1319 | if (res->bus == IPR_ARRAY_VIRTUAL_BUS) | |
1320 | clear_bit(res->target, ioa_cfg->array_ids); | |
1321 | else if (res->bus == IPR_VSET_VIRTUAL_BUS) | |
1322 | clear_bit(res->target, ioa_cfg->vset_ids); | |
1323 | else if (res->bus == 0 && res->type == IPR_RES_TYPE_GENERIC_SCSI) { | |
1324 | list_for_each_entry(gscsi_res, &ioa_cfg->used_res_q, queue) | |
1325 | if (gscsi_res->dev_id == res->dev_id && gscsi_res != res) | |
1326 | return; | |
1327 | clear_bit(res->target, ioa_cfg->target_ids); | |
1328 | ||
1329 | } else if (res->bus == 0) | |
1330 | clear_bit(res->target, ioa_cfg->target_ids); | |
1da177e4 LT |
1331 | } |
1332 | ||
1333 | /** | |
1334 | * ipr_handle_config_change - Handle a config change from the adapter | |
1335 | * @ioa_cfg: ioa config struct | |
1336 | * @hostrcb: hostrcb | |
1337 | * | |
1338 | * Return value: | |
1339 | * none | |
1340 | **/ | |
1341 | static void ipr_handle_config_change(struct ipr_ioa_cfg *ioa_cfg, | |
3e7ebdfa | 1342 | struct ipr_hostrcb *hostrcb) |
1da177e4 LT |
1343 | { |
1344 | struct ipr_resource_entry *res = NULL; | |
3e7ebdfa WB |
1345 | struct ipr_config_table_entry_wrapper cfgtew; |
1346 | __be32 cc_res_handle; | |
1347 | ||
1da177e4 LT |
1348 | u32 is_ndn = 1; |
1349 | ||
3e7ebdfa WB |
1350 | if (ioa_cfg->sis64) { |
1351 | cfgtew.u.cfgte64 = &hostrcb->hcam.u.ccn.u.cfgte64; | |
1352 | cc_res_handle = cfgtew.u.cfgte64->res_handle; | |
1353 | } else { | |
1354 | cfgtew.u.cfgte = &hostrcb->hcam.u.ccn.u.cfgte; | |
1355 | cc_res_handle = cfgtew.u.cfgte->res_handle; | |
1356 | } | |
1da177e4 LT |
1357 | |
1358 | list_for_each_entry(res, &ioa_cfg->used_res_q, queue) { | |
3e7ebdfa | 1359 | if (res->res_handle == cc_res_handle) { |
1da177e4 LT |
1360 | is_ndn = 0; |
1361 | break; | |
1362 | } | |
1363 | } | |
1364 | ||
1365 | if (is_ndn) { | |
1366 | if (list_empty(&ioa_cfg->free_res_q)) { | |
1367 | ipr_send_hcam(ioa_cfg, | |
1368 | IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE, | |
1369 | hostrcb); | |
1370 | return; | |
1371 | } | |
1372 | ||
1373 | res = list_entry(ioa_cfg->free_res_q.next, | |
1374 | struct ipr_resource_entry, queue); | |
1375 | ||
1376 | list_del(&res->queue); | |
3e7ebdfa | 1377 | ipr_init_res_entry(res, &cfgtew); |
1da177e4 LT |
1378 | list_add_tail(&res->queue, &ioa_cfg->used_res_q); |
1379 | } | |
1380 | ||
3e7ebdfa | 1381 | ipr_update_res_entry(res, &cfgtew); |
1da177e4 LT |
1382 | |
1383 | if (hostrcb->hcam.notify_type == IPR_HOST_RCB_NOTIF_TYPE_REM_ENTRY) { | |
1384 | if (res->sdev) { | |
1da177e4 | 1385 | res->del_from_ml = 1; |
3e7ebdfa | 1386 | res->res_handle = IPR_INVALID_RES_HANDLE; |
1da177e4 LT |
1387 | if (ioa_cfg->allow_ml_add_del) |
1388 | schedule_work(&ioa_cfg->work_q); | |
3e7ebdfa WB |
1389 | } else { |
1390 | ipr_clear_res_target(res); | |
1da177e4 | 1391 | list_move_tail(&res->queue, &ioa_cfg->free_res_q); |
3e7ebdfa | 1392 | } |
5767a1c4 | 1393 | } else if (!res->sdev || res->del_from_ml) { |
1da177e4 LT |
1394 | res->add_to_ml = 1; |
1395 | if (ioa_cfg->allow_ml_add_del) | |
1396 | schedule_work(&ioa_cfg->work_q); | |
1397 | } | |
1398 | ||
1399 | ipr_send_hcam(ioa_cfg, IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE, hostrcb); | |
1400 | } | |
1401 | ||
1402 | /** | |
1403 | * ipr_process_ccn - Op done function for a CCN. | |
1404 | * @ipr_cmd: ipr command struct | |
1405 | * | |
1406 | * This function is the op done function for a configuration | |
1407 | * change notification host controlled async from the adapter. | |
1408 | * | |
1409 | * Return value: | |
1410 | * none | |
1411 | **/ | |
1412 | static void ipr_process_ccn(struct ipr_cmnd *ipr_cmd) | |
1413 | { | |
1414 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
1415 | struct ipr_hostrcb *hostrcb = ipr_cmd->u.hostrcb; | |
96d21f00 | 1416 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
1da177e4 LT |
1417 | |
1418 | list_del(&hostrcb->queue); | |
05a6538a | 1419 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
1da177e4 LT |
1420 | |
1421 | if (ioasc) { | |
1422 | if (ioasc != IPR_IOASC_IOA_WAS_RESET) | |
1423 | dev_err(&ioa_cfg->pdev->dev, | |
1424 | "Host RCB failed with IOASC: 0x%08X\n", ioasc); | |
1425 | ||
1426 | ipr_send_hcam(ioa_cfg, IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE, hostrcb); | |
1427 | } else { | |
1428 | ipr_handle_config_change(ioa_cfg, hostrcb); | |
1429 | } | |
1430 | } | |
1431 | ||
8cf093e2 BK |
1432 | /** |
1433 | * strip_and_pad_whitespace - Strip and pad trailing whitespace. | |
1434 | * @i: index into buffer | |
1435 | * @buf: string to modify | |
1436 | * | |
1437 | * This function will strip all trailing whitespace, pad the end | |
1438 | * of the string with a single space, and NULL terminate the string. | |
1439 | * | |
1440 | * Return value: | |
1441 | * new length of string | |
1442 | **/ | |
1443 | static int strip_and_pad_whitespace(int i, char *buf) | |
1444 | { | |
1445 | while (i && buf[i] == ' ') | |
1446 | i--; | |
1447 | buf[i+1] = ' '; | |
1448 | buf[i+2] = '\0'; | |
1449 | return i + 2; | |
1450 | } | |
1451 | ||
1452 | /** | |
1453 | * ipr_log_vpd_compact - Log the passed extended VPD compactly. | |
1454 | * @prefix: string to print at start of printk | |
1455 | * @hostrcb: hostrcb pointer | |
1456 | * @vpd: vendor/product id/sn struct | |
1457 | * | |
1458 | * Return value: | |
1459 | * none | |
1460 | **/ | |
1461 | static void ipr_log_vpd_compact(char *prefix, struct ipr_hostrcb *hostrcb, | |
1462 | struct ipr_vpd *vpd) | |
1463 | { | |
1464 | char buffer[IPR_VENDOR_ID_LEN + IPR_PROD_ID_LEN + IPR_SERIAL_NUM_LEN + 3]; | |
1465 | int i = 0; | |
1466 | ||
1467 | memcpy(buffer, vpd->vpids.vendor_id, IPR_VENDOR_ID_LEN); | |
1468 | i = strip_and_pad_whitespace(IPR_VENDOR_ID_LEN - 1, buffer); | |
1469 | ||
1470 | memcpy(&buffer[i], vpd->vpids.product_id, IPR_PROD_ID_LEN); | |
1471 | i = strip_and_pad_whitespace(i + IPR_PROD_ID_LEN - 1, buffer); | |
1472 | ||
1473 | memcpy(&buffer[i], vpd->sn, IPR_SERIAL_NUM_LEN); | |
1474 | buffer[IPR_SERIAL_NUM_LEN + i] = '\0'; | |
1475 | ||
1476 | ipr_hcam_err(hostrcb, "%s VPID/SN: %s\n", prefix, buffer); | |
1477 | } | |
1478 | ||
1da177e4 LT |
1479 | /** |
1480 | * ipr_log_vpd - Log the passed VPD to the error log. | |
cfc32139 | 1481 | * @vpd: vendor/product id/sn struct |
1da177e4 LT |
1482 | * |
1483 | * Return value: | |
1484 | * none | |
1485 | **/ | |
cfc32139 | 1486 | static void ipr_log_vpd(struct ipr_vpd *vpd) |
1da177e4 LT |
1487 | { |
1488 | char buffer[IPR_VENDOR_ID_LEN + IPR_PROD_ID_LEN | |
1489 | + IPR_SERIAL_NUM_LEN]; | |
1490 | ||
cfc32139 BK |
1491 | memcpy(buffer, vpd->vpids.vendor_id, IPR_VENDOR_ID_LEN); |
1492 | memcpy(buffer + IPR_VENDOR_ID_LEN, vpd->vpids.product_id, | |
1da177e4 LT |
1493 | IPR_PROD_ID_LEN); |
1494 | buffer[IPR_VENDOR_ID_LEN + IPR_PROD_ID_LEN] = '\0'; | |
1495 | ipr_err("Vendor/Product ID: %s\n", buffer); | |
1496 | ||
cfc32139 | 1497 | memcpy(buffer, vpd->sn, IPR_SERIAL_NUM_LEN); |
1da177e4 LT |
1498 | buffer[IPR_SERIAL_NUM_LEN] = '\0'; |
1499 | ipr_err(" Serial Number: %s\n", buffer); | |
1500 | } | |
1501 | ||
8cf093e2 BK |
1502 | /** |
1503 | * ipr_log_ext_vpd_compact - Log the passed extended VPD compactly. | |
1504 | * @prefix: string to print at start of printk | |
1505 | * @hostrcb: hostrcb pointer | |
1506 | * @vpd: vendor/product id/sn/wwn struct | |
1507 | * | |
1508 | * Return value: | |
1509 | * none | |
1510 | **/ | |
1511 | static void ipr_log_ext_vpd_compact(char *prefix, struct ipr_hostrcb *hostrcb, | |
1512 | struct ipr_ext_vpd *vpd) | |
1513 | { | |
1514 | ipr_log_vpd_compact(prefix, hostrcb, &vpd->vpd); | |
1515 | ipr_hcam_err(hostrcb, "%s WWN: %08X%08X\n", prefix, | |
1516 | be32_to_cpu(vpd->wwid[0]), be32_to_cpu(vpd->wwid[1])); | |
1517 | } | |
1518 | ||
ee0f05b8 BK |
1519 | /** |
1520 | * ipr_log_ext_vpd - Log the passed extended VPD to the error log. | |
1521 | * @vpd: vendor/product id/sn/wwn struct | |
1522 | * | |
1523 | * Return value: | |
1524 | * none | |
1525 | **/ | |
1526 | static void ipr_log_ext_vpd(struct ipr_ext_vpd *vpd) | |
1527 | { | |
1528 | ipr_log_vpd(&vpd->vpd); | |
1529 | ipr_err(" WWN: %08X%08X\n", be32_to_cpu(vpd->wwid[0]), | |
1530 | be32_to_cpu(vpd->wwid[1])); | |
1531 | } | |
1532 | ||
1533 | /** | |
1534 | * ipr_log_enhanced_cache_error - Log a cache error. | |
1535 | * @ioa_cfg: ioa config struct | |
1536 | * @hostrcb: hostrcb struct | |
1537 | * | |
1538 | * Return value: | |
1539 | * none | |
1540 | **/ | |
1541 | static void ipr_log_enhanced_cache_error(struct ipr_ioa_cfg *ioa_cfg, | |
1542 | struct ipr_hostrcb *hostrcb) | |
1543 | { | |
4565e370 WB |
1544 | struct ipr_hostrcb_type_12_error *error; |
1545 | ||
1546 | if (ioa_cfg->sis64) | |
1547 | error = &hostrcb->hcam.u.error64.u.type_12_error; | |
1548 | else | |
1549 | error = &hostrcb->hcam.u.error.u.type_12_error; | |
ee0f05b8 BK |
1550 | |
1551 | ipr_err("-----Current Configuration-----\n"); | |
1552 | ipr_err("Cache Directory Card Information:\n"); | |
1553 | ipr_log_ext_vpd(&error->ioa_vpd); | |
1554 | ipr_err("Adapter Card Information:\n"); | |
1555 | ipr_log_ext_vpd(&error->cfc_vpd); | |
1556 | ||
1557 | ipr_err("-----Expected Configuration-----\n"); | |
1558 | ipr_err("Cache Directory Card Information:\n"); | |
1559 | ipr_log_ext_vpd(&error->ioa_last_attached_to_cfc_vpd); | |
1560 | ipr_err("Adapter Card Information:\n"); | |
1561 | ipr_log_ext_vpd(&error->cfc_last_attached_to_ioa_vpd); | |
1562 | ||
1563 | ipr_err("Additional IOA Data: %08X %08X %08X\n", | |
1564 | be32_to_cpu(error->ioa_data[0]), | |
1565 | be32_to_cpu(error->ioa_data[1]), | |
1566 | be32_to_cpu(error->ioa_data[2])); | |
1567 | } | |
1568 | ||
1da177e4 LT |
1569 | /** |
1570 | * ipr_log_cache_error - Log a cache error. | |
1571 | * @ioa_cfg: ioa config struct | |
1572 | * @hostrcb: hostrcb struct | |
1573 | * | |
1574 | * Return value: | |
1575 | * none | |
1576 | **/ | |
1577 | static void ipr_log_cache_error(struct ipr_ioa_cfg *ioa_cfg, | |
1578 | struct ipr_hostrcb *hostrcb) | |
1579 | { | |
1580 | struct ipr_hostrcb_type_02_error *error = | |
1581 | &hostrcb->hcam.u.error.u.type_02_error; | |
1582 | ||
1583 | ipr_err("-----Current Configuration-----\n"); | |
1584 | ipr_err("Cache Directory Card Information:\n"); | |
cfc32139 | 1585 | ipr_log_vpd(&error->ioa_vpd); |
1da177e4 | 1586 | ipr_err("Adapter Card Information:\n"); |
cfc32139 | 1587 | ipr_log_vpd(&error->cfc_vpd); |
1da177e4 LT |
1588 | |
1589 | ipr_err("-----Expected Configuration-----\n"); | |
1590 | ipr_err("Cache Directory Card Information:\n"); | |
cfc32139 | 1591 | ipr_log_vpd(&error->ioa_last_attached_to_cfc_vpd); |
1da177e4 | 1592 | ipr_err("Adapter Card Information:\n"); |
cfc32139 | 1593 | ipr_log_vpd(&error->cfc_last_attached_to_ioa_vpd); |
1da177e4 LT |
1594 | |
1595 | ipr_err("Additional IOA Data: %08X %08X %08X\n", | |
1596 | be32_to_cpu(error->ioa_data[0]), | |
1597 | be32_to_cpu(error->ioa_data[1]), | |
1598 | be32_to_cpu(error->ioa_data[2])); | |
1599 | } | |
1600 | ||
ee0f05b8 BK |
1601 | /** |
1602 | * ipr_log_enhanced_config_error - Log a configuration error. | |
1603 | * @ioa_cfg: ioa config struct | |
1604 | * @hostrcb: hostrcb struct | |
1605 | * | |
1606 | * Return value: | |
1607 | * none | |
1608 | **/ | |
1609 | static void ipr_log_enhanced_config_error(struct ipr_ioa_cfg *ioa_cfg, | |
1610 | struct ipr_hostrcb *hostrcb) | |
1611 | { | |
1612 | int errors_logged, i; | |
1613 | struct ipr_hostrcb_device_data_entry_enhanced *dev_entry; | |
1614 | struct ipr_hostrcb_type_13_error *error; | |
1615 | ||
1616 | error = &hostrcb->hcam.u.error.u.type_13_error; | |
1617 | errors_logged = be32_to_cpu(error->errors_logged); | |
1618 | ||
1619 | ipr_err("Device Errors Detected/Logged: %d/%d\n", | |
1620 | be32_to_cpu(error->errors_detected), errors_logged); | |
1621 | ||
1622 | dev_entry = error->dev; | |
1623 | ||
1624 | for (i = 0; i < errors_logged; i++, dev_entry++) { | |
1625 | ipr_err_separator; | |
1626 | ||
1627 | ipr_phys_res_err(ioa_cfg, dev_entry->dev_res_addr, "Device %d", i + 1); | |
1628 | ipr_log_ext_vpd(&dev_entry->vpd); | |
1629 | ||
1630 | ipr_err("-----New Device Information-----\n"); | |
1631 | ipr_log_ext_vpd(&dev_entry->new_vpd); | |
1632 | ||
1633 | ipr_err("Cache Directory Card Information:\n"); | |
1634 | ipr_log_ext_vpd(&dev_entry->ioa_last_with_dev_vpd); | |
1635 | ||
1636 | ipr_err("Adapter Card Information:\n"); | |
1637 | ipr_log_ext_vpd(&dev_entry->cfc_last_with_dev_vpd); | |
1638 | } | |
1639 | } | |
1640 | ||
4565e370 WB |
1641 | /** |
1642 | * ipr_log_sis64_config_error - Log a device error. | |
1643 | * @ioa_cfg: ioa config struct | |
1644 | * @hostrcb: hostrcb struct | |
1645 | * | |
1646 | * Return value: | |
1647 | * none | |
1648 | **/ | |
1649 | static void ipr_log_sis64_config_error(struct ipr_ioa_cfg *ioa_cfg, | |
1650 | struct ipr_hostrcb *hostrcb) | |
1651 | { | |
1652 | int errors_logged, i; | |
1653 | struct ipr_hostrcb64_device_data_entry_enhanced *dev_entry; | |
1654 | struct ipr_hostrcb_type_23_error *error; | |
1655 | char buffer[IPR_MAX_RES_PATH_LENGTH]; | |
1656 | ||
1657 | error = &hostrcb->hcam.u.error64.u.type_23_error; | |
1658 | errors_logged = be32_to_cpu(error->errors_logged); | |
1659 | ||
1660 | ipr_err("Device Errors Detected/Logged: %d/%d\n", | |
1661 | be32_to_cpu(error->errors_detected), errors_logged); | |
1662 | ||
1663 | dev_entry = error->dev; | |
1664 | ||
1665 | for (i = 0; i < errors_logged; i++, dev_entry++) { | |
1666 | ipr_err_separator; | |
1667 | ||
1668 | ipr_err("Device %d : %s", i + 1, | |
b3b3b407 BK |
1669 | __ipr_format_res_path(dev_entry->res_path, |
1670 | buffer, sizeof(buffer))); | |
4565e370 WB |
1671 | ipr_log_ext_vpd(&dev_entry->vpd); |
1672 | ||
1673 | ipr_err("-----New Device Information-----\n"); | |
1674 | ipr_log_ext_vpd(&dev_entry->new_vpd); | |
1675 | ||
1676 | ipr_err("Cache Directory Card Information:\n"); | |
1677 | ipr_log_ext_vpd(&dev_entry->ioa_last_with_dev_vpd); | |
1678 | ||
1679 | ipr_err("Adapter Card Information:\n"); | |
1680 | ipr_log_ext_vpd(&dev_entry->cfc_last_with_dev_vpd); | |
1681 | } | |
1682 | } | |
1683 | ||
1da177e4 LT |
1684 | /** |
1685 | * ipr_log_config_error - Log a configuration error. | |
1686 | * @ioa_cfg: ioa config struct | |
1687 | * @hostrcb: hostrcb struct | |
1688 | * | |
1689 | * Return value: | |
1690 | * none | |
1691 | **/ | |
1692 | static void ipr_log_config_error(struct ipr_ioa_cfg *ioa_cfg, | |
1693 | struct ipr_hostrcb *hostrcb) | |
1694 | { | |
1695 | int errors_logged, i; | |
1696 | struct ipr_hostrcb_device_data_entry *dev_entry; | |
1697 | struct ipr_hostrcb_type_03_error *error; | |
1698 | ||
1699 | error = &hostrcb->hcam.u.error.u.type_03_error; | |
1700 | errors_logged = be32_to_cpu(error->errors_logged); | |
1701 | ||
1702 | ipr_err("Device Errors Detected/Logged: %d/%d\n", | |
1703 | be32_to_cpu(error->errors_detected), errors_logged); | |
1704 | ||
cfc32139 | 1705 | dev_entry = error->dev; |
1da177e4 LT |
1706 | |
1707 | for (i = 0; i < errors_logged; i++, dev_entry++) { | |
1708 | ipr_err_separator; | |
1709 | ||
fa15b1f6 | 1710 | ipr_phys_res_err(ioa_cfg, dev_entry->dev_res_addr, "Device %d", i + 1); |
cfc32139 | 1711 | ipr_log_vpd(&dev_entry->vpd); |
1da177e4 LT |
1712 | |
1713 | ipr_err("-----New Device Information-----\n"); | |
cfc32139 | 1714 | ipr_log_vpd(&dev_entry->new_vpd); |
1da177e4 LT |
1715 | |
1716 | ipr_err("Cache Directory Card Information:\n"); | |
cfc32139 | 1717 | ipr_log_vpd(&dev_entry->ioa_last_with_dev_vpd); |
1da177e4 LT |
1718 | |
1719 | ipr_err("Adapter Card Information:\n"); | |
cfc32139 | 1720 | ipr_log_vpd(&dev_entry->cfc_last_with_dev_vpd); |
1da177e4 LT |
1721 | |
1722 | ipr_err("Additional IOA Data: %08X %08X %08X %08X %08X\n", | |
1723 | be32_to_cpu(dev_entry->ioa_data[0]), | |
1724 | be32_to_cpu(dev_entry->ioa_data[1]), | |
1725 | be32_to_cpu(dev_entry->ioa_data[2]), | |
1726 | be32_to_cpu(dev_entry->ioa_data[3]), | |
1727 | be32_to_cpu(dev_entry->ioa_data[4])); | |
1728 | } | |
1729 | } | |
1730 | ||
ee0f05b8 BK |
1731 | /** |
1732 | * ipr_log_enhanced_array_error - Log an array configuration error. | |
1733 | * @ioa_cfg: ioa config struct | |
1734 | * @hostrcb: hostrcb struct | |
1735 | * | |
1736 | * Return value: | |
1737 | * none | |
1738 | **/ | |
1739 | static void ipr_log_enhanced_array_error(struct ipr_ioa_cfg *ioa_cfg, | |
1740 | struct ipr_hostrcb *hostrcb) | |
1741 | { | |
1742 | int i, num_entries; | |
1743 | struct ipr_hostrcb_type_14_error *error; | |
1744 | struct ipr_hostrcb_array_data_entry_enhanced *array_entry; | |
1745 | const u8 zero_sn[IPR_SERIAL_NUM_LEN] = { [0 ... IPR_SERIAL_NUM_LEN-1] = '0' }; | |
1746 | ||
1747 | error = &hostrcb->hcam.u.error.u.type_14_error; | |
1748 | ||
1749 | ipr_err_separator; | |
1750 | ||
1751 | ipr_err("RAID %s Array Configuration: %d:%d:%d:%d\n", | |
1752 | error->protection_level, | |
1753 | ioa_cfg->host->host_no, | |
1754 | error->last_func_vset_res_addr.bus, | |
1755 | error->last_func_vset_res_addr.target, | |
1756 | error->last_func_vset_res_addr.lun); | |
1757 | ||
1758 | ipr_err_separator; | |
1759 | ||
1760 | array_entry = error->array_member; | |
1761 | num_entries = min_t(u32, be32_to_cpu(error->num_entries), | |
7262026f | 1762 | ARRAY_SIZE(error->array_member)); |
ee0f05b8 BK |
1763 | |
1764 | for (i = 0; i < num_entries; i++, array_entry++) { | |
1765 | if (!memcmp(array_entry->vpd.vpd.sn, zero_sn, IPR_SERIAL_NUM_LEN)) | |
1766 | continue; | |
1767 | ||
1768 | if (be32_to_cpu(error->exposed_mode_adn) == i) | |
1769 | ipr_err("Exposed Array Member %d:\n", i); | |
1770 | else | |
1771 | ipr_err("Array Member %d:\n", i); | |
1772 | ||
1773 | ipr_log_ext_vpd(&array_entry->vpd); | |
1774 | ipr_phys_res_err(ioa_cfg, array_entry->dev_res_addr, "Current Location"); | |
1775 | ipr_phys_res_err(ioa_cfg, array_entry->expected_dev_res_addr, | |
1776 | "Expected Location"); | |
1777 | ||
1778 | ipr_err_separator; | |
1779 | } | |
1780 | } | |
1781 | ||
1da177e4 LT |
1782 | /** |
1783 | * ipr_log_array_error - Log an array configuration error. | |
1784 | * @ioa_cfg: ioa config struct | |
1785 | * @hostrcb: hostrcb struct | |
1786 | * | |
1787 | * Return value: | |
1788 | * none | |
1789 | **/ | |
1790 | static void ipr_log_array_error(struct ipr_ioa_cfg *ioa_cfg, | |
1791 | struct ipr_hostrcb *hostrcb) | |
1792 | { | |
1793 | int i; | |
1794 | struct ipr_hostrcb_type_04_error *error; | |
1795 | struct ipr_hostrcb_array_data_entry *array_entry; | |
1796 | const u8 zero_sn[IPR_SERIAL_NUM_LEN] = { [0 ... IPR_SERIAL_NUM_LEN-1] = '0' }; | |
1797 | ||
1798 | error = &hostrcb->hcam.u.error.u.type_04_error; | |
1799 | ||
1800 | ipr_err_separator; | |
1801 | ||
1802 | ipr_err("RAID %s Array Configuration: %d:%d:%d:%d\n", | |
1803 | error->protection_level, | |
1804 | ioa_cfg->host->host_no, | |
1805 | error->last_func_vset_res_addr.bus, | |
1806 | error->last_func_vset_res_addr.target, | |
1807 | error->last_func_vset_res_addr.lun); | |
1808 | ||
1809 | ipr_err_separator; | |
1810 | ||
1811 | array_entry = error->array_member; | |
1812 | ||
1813 | for (i = 0; i < 18; i++) { | |
cfc32139 | 1814 | if (!memcmp(array_entry->vpd.sn, zero_sn, IPR_SERIAL_NUM_LEN)) |
1da177e4 LT |
1815 | continue; |
1816 | ||
fa15b1f6 | 1817 | if (be32_to_cpu(error->exposed_mode_adn) == i) |
1da177e4 | 1818 | ipr_err("Exposed Array Member %d:\n", i); |
fa15b1f6 | 1819 | else |
1da177e4 | 1820 | ipr_err("Array Member %d:\n", i); |
1da177e4 | 1821 | |
cfc32139 | 1822 | ipr_log_vpd(&array_entry->vpd); |
1da177e4 | 1823 | |
fa15b1f6 BK |
1824 | ipr_phys_res_err(ioa_cfg, array_entry->dev_res_addr, "Current Location"); |
1825 | ipr_phys_res_err(ioa_cfg, array_entry->expected_dev_res_addr, | |
1826 | "Expected Location"); | |
1da177e4 LT |
1827 | |
1828 | ipr_err_separator; | |
1829 | ||
1830 | if (i == 9) | |
1831 | array_entry = error->array_member2; | |
1832 | else | |
1833 | array_entry++; | |
1834 | } | |
1835 | } | |
1836 | ||
1837 | /** | |
b0df54bb | 1838 | * ipr_log_hex_data - Log additional hex IOA error data. |
ac719aba | 1839 | * @ioa_cfg: ioa config struct |
b0df54bb BK |
1840 | * @data: IOA error data |
1841 | * @len: data length | |
1da177e4 LT |
1842 | * |
1843 | * Return value: | |
1844 | * none | |
1845 | **/ | |
ac719aba | 1846 | static void ipr_log_hex_data(struct ipr_ioa_cfg *ioa_cfg, u32 *data, int len) |
1da177e4 LT |
1847 | { |
1848 | int i; | |
1da177e4 | 1849 | |
b0df54bb | 1850 | if (len == 0) |
1da177e4 LT |
1851 | return; |
1852 | ||
ac719aba BK |
1853 | if (ioa_cfg->log_level <= IPR_DEFAULT_LOG_LEVEL) |
1854 | len = min_t(int, len, IPR_DEFAULT_MAX_ERROR_DUMP); | |
1855 | ||
b0df54bb | 1856 | for (i = 0; i < len / 4; i += 4) { |
1da177e4 | 1857 | ipr_err("%08X: %08X %08X %08X %08X\n", i*4, |
b0df54bb BK |
1858 | be32_to_cpu(data[i]), |
1859 | be32_to_cpu(data[i+1]), | |
1860 | be32_to_cpu(data[i+2]), | |
1861 | be32_to_cpu(data[i+3])); | |
1da177e4 LT |
1862 | } |
1863 | } | |
1864 | ||
ee0f05b8 BK |
1865 | /** |
1866 | * ipr_log_enhanced_dual_ioa_error - Log an enhanced dual adapter error. | |
1867 | * @ioa_cfg: ioa config struct | |
1868 | * @hostrcb: hostrcb struct | |
1869 | * | |
1870 | * Return value: | |
1871 | * none | |
1872 | **/ | |
1873 | static void ipr_log_enhanced_dual_ioa_error(struct ipr_ioa_cfg *ioa_cfg, | |
1874 | struct ipr_hostrcb *hostrcb) | |
1875 | { | |
1876 | struct ipr_hostrcb_type_17_error *error; | |
1877 | ||
4565e370 WB |
1878 | if (ioa_cfg->sis64) |
1879 | error = &hostrcb->hcam.u.error64.u.type_17_error; | |
1880 | else | |
1881 | error = &hostrcb->hcam.u.error.u.type_17_error; | |
1882 | ||
ee0f05b8 | 1883 | error->failure_reason[sizeof(error->failure_reason) - 1] = '\0'; |
ca54cb8c | 1884 | strim(error->failure_reason); |
ee0f05b8 | 1885 | |
8cf093e2 BK |
1886 | ipr_hcam_err(hostrcb, "%s [PRC: %08X]\n", error->failure_reason, |
1887 | be32_to_cpu(hostrcb->hcam.u.error.prc)); | |
1888 | ipr_log_ext_vpd_compact("Remote IOA", hostrcb, &error->vpd); | |
ac719aba | 1889 | ipr_log_hex_data(ioa_cfg, error->data, |
ee0f05b8 BK |
1890 | be32_to_cpu(hostrcb->hcam.length) - |
1891 | (offsetof(struct ipr_hostrcb_error, u) + | |
1892 | offsetof(struct ipr_hostrcb_type_17_error, data))); | |
1893 | } | |
1894 | ||
b0df54bb BK |
1895 | /** |
1896 | * ipr_log_dual_ioa_error - Log a dual adapter error. | |
1897 | * @ioa_cfg: ioa config struct | |
1898 | * @hostrcb: hostrcb struct | |
1899 | * | |
1900 | * Return value: | |
1901 | * none | |
1902 | **/ | |
1903 | static void ipr_log_dual_ioa_error(struct ipr_ioa_cfg *ioa_cfg, | |
1904 | struct ipr_hostrcb *hostrcb) | |
1905 | { | |
1906 | struct ipr_hostrcb_type_07_error *error; | |
1907 | ||
1908 | error = &hostrcb->hcam.u.error.u.type_07_error; | |
1909 | error->failure_reason[sizeof(error->failure_reason) - 1] = '\0'; | |
ca54cb8c | 1910 | strim(error->failure_reason); |
b0df54bb | 1911 | |
8cf093e2 BK |
1912 | ipr_hcam_err(hostrcb, "%s [PRC: %08X]\n", error->failure_reason, |
1913 | be32_to_cpu(hostrcb->hcam.u.error.prc)); | |
1914 | ipr_log_vpd_compact("Remote IOA", hostrcb, &error->vpd); | |
ac719aba | 1915 | ipr_log_hex_data(ioa_cfg, error->data, |
b0df54bb BK |
1916 | be32_to_cpu(hostrcb->hcam.length) - |
1917 | (offsetof(struct ipr_hostrcb_error, u) + | |
1918 | offsetof(struct ipr_hostrcb_type_07_error, data))); | |
1919 | } | |
1920 | ||
49dc6a18 BK |
1921 | static const struct { |
1922 | u8 active; | |
1923 | char *desc; | |
1924 | } path_active_desc[] = { | |
1925 | { IPR_PATH_NO_INFO, "Path" }, | |
1926 | { IPR_PATH_ACTIVE, "Active path" }, | |
1927 | { IPR_PATH_NOT_ACTIVE, "Inactive path" } | |
1928 | }; | |
1929 | ||
1930 | static const struct { | |
1931 | u8 state; | |
1932 | char *desc; | |
1933 | } path_state_desc[] = { | |
1934 | { IPR_PATH_STATE_NO_INFO, "has no path state information available" }, | |
1935 | { IPR_PATH_HEALTHY, "is healthy" }, | |
1936 | { IPR_PATH_DEGRADED, "is degraded" }, | |
1937 | { IPR_PATH_FAILED, "is failed" } | |
1938 | }; | |
1939 | ||
1940 | /** | |
1941 | * ipr_log_fabric_path - Log a fabric path error | |
1942 | * @hostrcb: hostrcb struct | |
1943 | * @fabric: fabric descriptor | |
1944 | * | |
1945 | * Return value: | |
1946 | * none | |
1947 | **/ | |
1948 | static void ipr_log_fabric_path(struct ipr_hostrcb *hostrcb, | |
1949 | struct ipr_hostrcb_fabric_desc *fabric) | |
1950 | { | |
1951 | int i, j; | |
1952 | u8 path_state = fabric->path_state; | |
1953 | u8 active = path_state & IPR_PATH_ACTIVE_MASK; | |
1954 | u8 state = path_state & IPR_PATH_STATE_MASK; | |
1955 | ||
1956 | for (i = 0; i < ARRAY_SIZE(path_active_desc); i++) { | |
1957 | if (path_active_desc[i].active != active) | |
1958 | continue; | |
1959 | ||
1960 | for (j = 0; j < ARRAY_SIZE(path_state_desc); j++) { | |
1961 | if (path_state_desc[j].state != state) | |
1962 | continue; | |
1963 | ||
1964 | if (fabric->cascaded_expander == 0xff && fabric->phy == 0xff) { | |
1965 | ipr_hcam_err(hostrcb, "%s %s: IOA Port=%d\n", | |
1966 | path_active_desc[i].desc, path_state_desc[j].desc, | |
1967 | fabric->ioa_port); | |
1968 | } else if (fabric->cascaded_expander == 0xff) { | |
1969 | ipr_hcam_err(hostrcb, "%s %s: IOA Port=%d, Phy=%d\n", | |
1970 | path_active_desc[i].desc, path_state_desc[j].desc, | |
1971 | fabric->ioa_port, fabric->phy); | |
1972 | } else if (fabric->phy == 0xff) { | |
1973 | ipr_hcam_err(hostrcb, "%s %s: IOA Port=%d, Cascade=%d\n", | |
1974 | path_active_desc[i].desc, path_state_desc[j].desc, | |
1975 | fabric->ioa_port, fabric->cascaded_expander); | |
1976 | } else { | |
1977 | ipr_hcam_err(hostrcb, "%s %s: IOA Port=%d, Cascade=%d, Phy=%d\n", | |
1978 | path_active_desc[i].desc, path_state_desc[j].desc, | |
1979 | fabric->ioa_port, fabric->cascaded_expander, fabric->phy); | |
1980 | } | |
1981 | return; | |
1982 | } | |
1983 | } | |
1984 | ||
1985 | ipr_err("Path state=%02X IOA Port=%d Cascade=%d Phy=%d\n", path_state, | |
1986 | fabric->ioa_port, fabric->cascaded_expander, fabric->phy); | |
1987 | } | |
1988 | ||
4565e370 WB |
1989 | /** |
1990 | * ipr_log64_fabric_path - Log a fabric path error | |
1991 | * @hostrcb: hostrcb struct | |
1992 | * @fabric: fabric descriptor | |
1993 | * | |
1994 | * Return value: | |
1995 | * none | |
1996 | **/ | |
1997 | static void ipr_log64_fabric_path(struct ipr_hostrcb *hostrcb, | |
1998 | struct ipr_hostrcb64_fabric_desc *fabric) | |
1999 | { | |
2000 | int i, j; | |
2001 | u8 path_state = fabric->path_state; | |
2002 | u8 active = path_state & IPR_PATH_ACTIVE_MASK; | |
2003 | u8 state = path_state & IPR_PATH_STATE_MASK; | |
2004 | char buffer[IPR_MAX_RES_PATH_LENGTH]; | |
2005 | ||
2006 | for (i = 0; i < ARRAY_SIZE(path_active_desc); i++) { | |
2007 | if (path_active_desc[i].active != active) | |
2008 | continue; | |
2009 | ||
2010 | for (j = 0; j < ARRAY_SIZE(path_state_desc); j++) { | |
2011 | if (path_state_desc[j].state != state) | |
2012 | continue; | |
2013 | ||
2014 | ipr_hcam_err(hostrcb, "%s %s: Resource Path=%s\n", | |
2015 | path_active_desc[i].desc, path_state_desc[j].desc, | |
b3b3b407 BK |
2016 | ipr_format_res_path(hostrcb->ioa_cfg, |
2017 | fabric->res_path, | |
2018 | buffer, sizeof(buffer))); | |
4565e370 WB |
2019 | return; |
2020 | } | |
2021 | } | |
2022 | ||
2023 | ipr_err("Path state=%02X Resource Path=%s\n", path_state, | |
b3b3b407 BK |
2024 | ipr_format_res_path(hostrcb->ioa_cfg, fabric->res_path, |
2025 | buffer, sizeof(buffer))); | |
4565e370 WB |
2026 | } |
2027 | ||
49dc6a18 BK |
2028 | static const struct { |
2029 | u8 type; | |
2030 | char *desc; | |
2031 | } path_type_desc[] = { | |
2032 | { IPR_PATH_CFG_IOA_PORT, "IOA port" }, | |
2033 | { IPR_PATH_CFG_EXP_PORT, "Expander port" }, | |
2034 | { IPR_PATH_CFG_DEVICE_PORT, "Device port" }, | |
2035 | { IPR_PATH_CFG_DEVICE_LUN, "Device LUN" } | |
2036 | }; | |
2037 | ||
2038 | static const struct { | |
2039 | u8 status; | |
2040 | char *desc; | |
2041 | } path_status_desc[] = { | |
2042 | { IPR_PATH_CFG_NO_PROB, "Functional" }, | |
2043 | { IPR_PATH_CFG_DEGRADED, "Degraded" }, | |
2044 | { IPR_PATH_CFG_FAILED, "Failed" }, | |
2045 | { IPR_PATH_CFG_SUSPECT, "Suspect" }, | |
2046 | { IPR_PATH_NOT_DETECTED, "Missing" }, | |
2047 | { IPR_PATH_INCORRECT_CONN, "Incorrectly connected" } | |
2048 | }; | |
2049 | ||
2050 | static const char *link_rate[] = { | |
2051 | "unknown", | |
2052 | "disabled", | |
2053 | "phy reset problem", | |
2054 | "spinup hold", | |
2055 | "port selector", | |
2056 | "unknown", | |
2057 | "unknown", | |
2058 | "unknown", | |
2059 | "1.5Gbps", | |
2060 | "3.0Gbps", | |
2061 | "unknown", | |
2062 | "unknown", | |
2063 | "unknown", | |
2064 | "unknown", | |
2065 | "unknown", | |
2066 | "unknown" | |
2067 | }; | |
2068 | ||
2069 | /** | |
2070 | * ipr_log_path_elem - Log a fabric path element. | |
2071 | * @hostrcb: hostrcb struct | |
2072 | * @cfg: fabric path element struct | |
2073 | * | |
2074 | * Return value: | |
2075 | * none | |
2076 | **/ | |
2077 | static void ipr_log_path_elem(struct ipr_hostrcb *hostrcb, | |
2078 | struct ipr_hostrcb_config_element *cfg) | |
2079 | { | |
2080 | int i, j; | |
2081 | u8 type = cfg->type_status & IPR_PATH_CFG_TYPE_MASK; | |
2082 | u8 status = cfg->type_status & IPR_PATH_CFG_STATUS_MASK; | |
2083 | ||
2084 | if (type == IPR_PATH_CFG_NOT_EXIST) | |
2085 | return; | |
2086 | ||
2087 | for (i = 0; i < ARRAY_SIZE(path_type_desc); i++) { | |
2088 | if (path_type_desc[i].type != type) | |
2089 | continue; | |
2090 | ||
2091 | for (j = 0; j < ARRAY_SIZE(path_status_desc); j++) { | |
2092 | if (path_status_desc[j].status != status) | |
2093 | continue; | |
2094 | ||
2095 | if (type == IPR_PATH_CFG_IOA_PORT) { | |
2096 | ipr_hcam_err(hostrcb, "%s %s: Phy=%d, Link rate=%s, WWN=%08X%08X\n", | |
2097 | path_status_desc[j].desc, path_type_desc[i].desc, | |
2098 | cfg->phy, link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], | |
2099 | be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); | |
2100 | } else { | |
2101 | if (cfg->cascaded_expander == 0xff && cfg->phy == 0xff) { | |
2102 | ipr_hcam_err(hostrcb, "%s %s: Link rate=%s, WWN=%08X%08X\n", | |
2103 | path_status_desc[j].desc, path_type_desc[i].desc, | |
2104 | link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], | |
2105 | be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); | |
2106 | } else if (cfg->cascaded_expander == 0xff) { | |
2107 | ipr_hcam_err(hostrcb, "%s %s: Phy=%d, Link rate=%s, " | |
2108 | "WWN=%08X%08X\n", path_status_desc[j].desc, | |
2109 | path_type_desc[i].desc, cfg->phy, | |
2110 | link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], | |
2111 | be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); | |
2112 | } else if (cfg->phy == 0xff) { | |
2113 | ipr_hcam_err(hostrcb, "%s %s: Cascade=%d, Link rate=%s, " | |
2114 | "WWN=%08X%08X\n", path_status_desc[j].desc, | |
2115 | path_type_desc[i].desc, cfg->cascaded_expander, | |
2116 | link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], | |
2117 | be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); | |
2118 | } else { | |
2119 | ipr_hcam_err(hostrcb, "%s %s: Cascade=%d, Phy=%d, Link rate=%s " | |
2120 | "WWN=%08X%08X\n", path_status_desc[j].desc, | |
2121 | path_type_desc[i].desc, cfg->cascaded_expander, cfg->phy, | |
2122 | link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], | |
2123 | be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); | |
2124 | } | |
2125 | } | |
2126 | return; | |
2127 | } | |
2128 | } | |
2129 | ||
2130 | ipr_hcam_err(hostrcb, "Path element=%02X: Cascade=%d Phy=%d Link rate=%s " | |
2131 | "WWN=%08X%08X\n", cfg->type_status, cfg->cascaded_expander, cfg->phy, | |
2132 | link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], | |
2133 | be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); | |
2134 | } | |
2135 | ||
4565e370 WB |
2136 | /** |
2137 | * ipr_log64_path_elem - Log a fabric path element. | |
2138 | * @hostrcb: hostrcb struct | |
2139 | * @cfg: fabric path element struct | |
2140 | * | |
2141 | * Return value: | |
2142 | * none | |
2143 | **/ | |
2144 | static void ipr_log64_path_elem(struct ipr_hostrcb *hostrcb, | |
2145 | struct ipr_hostrcb64_config_element *cfg) | |
2146 | { | |
2147 | int i, j; | |
2148 | u8 desc_id = cfg->descriptor_id & IPR_DESCRIPTOR_MASK; | |
2149 | u8 type = cfg->type_status & IPR_PATH_CFG_TYPE_MASK; | |
2150 | u8 status = cfg->type_status & IPR_PATH_CFG_STATUS_MASK; | |
2151 | char buffer[IPR_MAX_RES_PATH_LENGTH]; | |
2152 | ||
2153 | if (type == IPR_PATH_CFG_NOT_EXIST || desc_id != IPR_DESCRIPTOR_SIS64) | |
2154 | return; | |
2155 | ||
2156 | for (i = 0; i < ARRAY_SIZE(path_type_desc); i++) { | |
2157 | if (path_type_desc[i].type != type) | |
2158 | continue; | |
2159 | ||
2160 | for (j = 0; j < ARRAY_SIZE(path_status_desc); j++) { | |
2161 | if (path_status_desc[j].status != status) | |
2162 | continue; | |
2163 | ||
2164 | ipr_hcam_err(hostrcb, "%s %s: Resource Path=%s, Link rate=%s, WWN=%08X%08X\n", | |
2165 | path_status_desc[j].desc, path_type_desc[i].desc, | |
b3b3b407 BK |
2166 | ipr_format_res_path(hostrcb->ioa_cfg, |
2167 | cfg->res_path, buffer, sizeof(buffer)), | |
2168 | link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], | |
2169 | be32_to_cpu(cfg->wwid[0]), | |
2170 | be32_to_cpu(cfg->wwid[1])); | |
4565e370 WB |
2171 | return; |
2172 | } | |
2173 | } | |
2174 | ipr_hcam_err(hostrcb, "Path element=%02X: Resource Path=%s, Link rate=%s " | |
2175 | "WWN=%08X%08X\n", cfg->type_status, | |
b3b3b407 BK |
2176 | ipr_format_res_path(hostrcb->ioa_cfg, |
2177 | cfg->res_path, buffer, sizeof(buffer)), | |
2178 | link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], | |
2179 | be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); | |
4565e370 WB |
2180 | } |
2181 | ||
49dc6a18 BK |
2182 | /** |
2183 | * ipr_log_fabric_error - Log a fabric error. | |
2184 | * @ioa_cfg: ioa config struct | |
2185 | * @hostrcb: hostrcb struct | |
2186 | * | |
2187 | * Return value: | |
2188 | * none | |
2189 | **/ | |
2190 | static void ipr_log_fabric_error(struct ipr_ioa_cfg *ioa_cfg, | |
2191 | struct ipr_hostrcb *hostrcb) | |
2192 | { | |
2193 | struct ipr_hostrcb_type_20_error *error; | |
2194 | struct ipr_hostrcb_fabric_desc *fabric; | |
2195 | struct ipr_hostrcb_config_element *cfg; | |
2196 | int i, add_len; | |
2197 | ||
2198 | error = &hostrcb->hcam.u.error.u.type_20_error; | |
2199 | error->failure_reason[sizeof(error->failure_reason) - 1] = '\0'; | |
2200 | ipr_hcam_err(hostrcb, "%s\n", error->failure_reason); | |
2201 | ||
2202 | add_len = be32_to_cpu(hostrcb->hcam.length) - | |
2203 | (offsetof(struct ipr_hostrcb_error, u) + | |
2204 | offsetof(struct ipr_hostrcb_type_20_error, desc)); | |
2205 | ||
2206 | for (i = 0, fabric = error->desc; i < error->num_entries; i++) { | |
2207 | ipr_log_fabric_path(hostrcb, fabric); | |
2208 | for_each_fabric_cfg(fabric, cfg) | |
2209 | ipr_log_path_elem(hostrcb, cfg); | |
2210 | ||
2211 | add_len -= be16_to_cpu(fabric->length); | |
2212 | fabric = (struct ipr_hostrcb_fabric_desc *) | |
2213 | ((unsigned long)fabric + be16_to_cpu(fabric->length)); | |
2214 | } | |
2215 | ||
ac719aba | 2216 | ipr_log_hex_data(ioa_cfg, (u32 *)fabric, add_len); |
49dc6a18 BK |
2217 | } |
2218 | ||
4565e370 WB |
2219 | /** |
2220 | * ipr_log_sis64_array_error - Log a sis64 array error. | |
2221 | * @ioa_cfg: ioa config struct | |
2222 | * @hostrcb: hostrcb struct | |
2223 | * | |
2224 | * Return value: | |
2225 | * none | |
2226 | **/ | |
2227 | static void ipr_log_sis64_array_error(struct ipr_ioa_cfg *ioa_cfg, | |
2228 | struct ipr_hostrcb *hostrcb) | |
2229 | { | |
2230 | int i, num_entries; | |
2231 | struct ipr_hostrcb_type_24_error *error; | |
2232 | struct ipr_hostrcb64_array_data_entry *array_entry; | |
2233 | char buffer[IPR_MAX_RES_PATH_LENGTH]; | |
2234 | const u8 zero_sn[IPR_SERIAL_NUM_LEN] = { [0 ... IPR_SERIAL_NUM_LEN-1] = '0' }; | |
2235 | ||
2236 | error = &hostrcb->hcam.u.error64.u.type_24_error; | |
2237 | ||
2238 | ipr_err_separator; | |
2239 | ||
2240 | ipr_err("RAID %s Array Configuration: %s\n", | |
2241 | error->protection_level, | |
b3b3b407 BK |
2242 | ipr_format_res_path(ioa_cfg, error->last_res_path, |
2243 | buffer, sizeof(buffer))); | |
4565e370 WB |
2244 | |
2245 | ipr_err_separator; | |
2246 | ||
2247 | array_entry = error->array_member; | |
7262026f WB |
2248 | num_entries = min_t(u32, error->num_entries, |
2249 | ARRAY_SIZE(error->array_member)); | |
4565e370 WB |
2250 | |
2251 | for (i = 0; i < num_entries; i++, array_entry++) { | |
2252 | ||
2253 | if (!memcmp(array_entry->vpd.vpd.sn, zero_sn, IPR_SERIAL_NUM_LEN)) | |
2254 | continue; | |
2255 | ||
2256 | if (error->exposed_mode_adn == i) | |
2257 | ipr_err("Exposed Array Member %d:\n", i); | |
2258 | else | |
2259 | ipr_err("Array Member %d:\n", i); | |
2260 | ||
2261 | ipr_err("Array Member %d:\n", i); | |
2262 | ipr_log_ext_vpd(&array_entry->vpd); | |
7262026f | 2263 | ipr_err("Current Location: %s\n", |
b3b3b407 BK |
2264 | ipr_format_res_path(ioa_cfg, array_entry->res_path, |
2265 | buffer, sizeof(buffer))); | |
7262026f | 2266 | ipr_err("Expected Location: %s\n", |
b3b3b407 BK |
2267 | ipr_format_res_path(ioa_cfg, |
2268 | array_entry->expected_res_path, | |
2269 | buffer, sizeof(buffer))); | |
4565e370 WB |
2270 | |
2271 | ipr_err_separator; | |
2272 | } | |
2273 | } | |
2274 | ||
2275 | /** | |
2276 | * ipr_log_sis64_fabric_error - Log a sis64 fabric error. | |
2277 | * @ioa_cfg: ioa config struct | |
2278 | * @hostrcb: hostrcb struct | |
2279 | * | |
2280 | * Return value: | |
2281 | * none | |
2282 | **/ | |
2283 | static void ipr_log_sis64_fabric_error(struct ipr_ioa_cfg *ioa_cfg, | |
2284 | struct ipr_hostrcb *hostrcb) | |
2285 | { | |
2286 | struct ipr_hostrcb_type_30_error *error; | |
2287 | struct ipr_hostrcb64_fabric_desc *fabric; | |
2288 | struct ipr_hostrcb64_config_element *cfg; | |
2289 | int i, add_len; | |
2290 | ||
2291 | error = &hostrcb->hcam.u.error64.u.type_30_error; | |
2292 | ||
2293 | error->failure_reason[sizeof(error->failure_reason) - 1] = '\0'; | |
2294 | ipr_hcam_err(hostrcb, "%s\n", error->failure_reason); | |
2295 | ||
2296 | add_len = be32_to_cpu(hostrcb->hcam.length) - | |
2297 | (offsetof(struct ipr_hostrcb64_error, u) + | |
2298 | offsetof(struct ipr_hostrcb_type_30_error, desc)); | |
2299 | ||
2300 | for (i = 0, fabric = error->desc; i < error->num_entries; i++) { | |
2301 | ipr_log64_fabric_path(hostrcb, fabric); | |
2302 | for_each_fabric_cfg(fabric, cfg) | |
2303 | ipr_log64_path_elem(hostrcb, cfg); | |
2304 | ||
2305 | add_len -= be16_to_cpu(fabric->length); | |
2306 | fabric = (struct ipr_hostrcb64_fabric_desc *) | |
2307 | ((unsigned long)fabric + be16_to_cpu(fabric->length)); | |
2308 | } | |
2309 | ||
2310 | ipr_log_hex_data(ioa_cfg, (u32 *)fabric, add_len); | |
2311 | } | |
2312 | ||
b0df54bb BK |
2313 | /** |
2314 | * ipr_log_generic_error - Log an adapter error. | |
2315 | * @ioa_cfg: ioa config struct | |
2316 | * @hostrcb: hostrcb struct | |
2317 | * | |
2318 | * Return value: | |
2319 | * none | |
2320 | **/ | |
2321 | static void ipr_log_generic_error(struct ipr_ioa_cfg *ioa_cfg, | |
2322 | struct ipr_hostrcb *hostrcb) | |
2323 | { | |
ac719aba | 2324 | ipr_log_hex_data(ioa_cfg, hostrcb->hcam.u.raw.data, |
b0df54bb BK |
2325 | be32_to_cpu(hostrcb->hcam.length)); |
2326 | } | |
2327 | ||
1da177e4 LT |
2328 | /** |
2329 | * ipr_get_error - Find the specfied IOASC in the ipr_error_table. | |
2330 | * @ioasc: IOASC | |
2331 | * | |
2332 | * This function will return the index of into the ipr_error_table | |
2333 | * for the specified IOASC. If the IOASC is not in the table, | |
2334 | * 0 will be returned, which points to the entry used for unknown errors. | |
2335 | * | |
2336 | * Return value: | |
2337 | * index into the ipr_error_table | |
2338 | **/ | |
2339 | static u32 ipr_get_error(u32 ioasc) | |
2340 | { | |
2341 | int i; | |
2342 | ||
2343 | for (i = 0; i < ARRAY_SIZE(ipr_error_table); i++) | |
35a39691 | 2344 | if (ipr_error_table[i].ioasc == (ioasc & IPR_IOASC_IOASC_MASK)) |
1da177e4 LT |
2345 | return i; |
2346 | ||
2347 | return 0; | |
2348 | } | |
2349 | ||
2350 | /** | |
2351 | * ipr_handle_log_data - Log an adapter error. | |
2352 | * @ioa_cfg: ioa config struct | |
2353 | * @hostrcb: hostrcb struct | |
2354 | * | |
2355 | * This function logs an adapter error to the system. | |
2356 | * | |
2357 | * Return value: | |
2358 | * none | |
2359 | **/ | |
2360 | static void ipr_handle_log_data(struct ipr_ioa_cfg *ioa_cfg, | |
2361 | struct ipr_hostrcb *hostrcb) | |
2362 | { | |
2363 | u32 ioasc; | |
2364 | int error_index; | |
2365 | ||
2366 | if (hostrcb->hcam.notify_type != IPR_HOST_RCB_NOTIF_TYPE_ERROR_LOG_ENTRY) | |
2367 | return; | |
2368 | ||
2369 | if (hostrcb->hcam.notifications_lost == IPR_HOST_RCB_NOTIFICATIONS_LOST) | |
2370 | dev_err(&ioa_cfg->pdev->dev, "Error notifications lost\n"); | |
2371 | ||
4565e370 WB |
2372 | if (ioa_cfg->sis64) |
2373 | ioasc = be32_to_cpu(hostrcb->hcam.u.error64.fd_ioasc); | |
2374 | else | |
2375 | ioasc = be32_to_cpu(hostrcb->hcam.u.error.fd_ioasc); | |
1da177e4 | 2376 | |
4565e370 WB |
2377 | if (!ioa_cfg->sis64 && (ioasc == IPR_IOASC_BUS_WAS_RESET || |
2378 | ioasc == IPR_IOASC_BUS_WAS_RESET_BY_OTHER)) { | |
1da177e4 LT |
2379 | /* Tell the midlayer we had a bus reset so it will handle the UA properly */ |
2380 | scsi_report_bus_reset(ioa_cfg->host, | |
4565e370 | 2381 | hostrcb->hcam.u.error.fd_res_addr.bus); |
1da177e4 LT |
2382 | } |
2383 | ||
2384 | error_index = ipr_get_error(ioasc); | |
2385 | ||
2386 | if (!ipr_error_table[error_index].log_hcam) | |
2387 | return; | |
2388 | ||
49dc6a18 | 2389 | ipr_hcam_err(hostrcb, "%s\n", ipr_error_table[error_index].error); |
1da177e4 LT |
2390 | |
2391 | /* Set indication we have logged an error */ | |
2392 | ioa_cfg->errors_logged++; | |
2393 | ||
933916f3 | 2394 | if (ioa_cfg->log_level < ipr_error_table[error_index].log_hcam) |
1da177e4 | 2395 | return; |
cf852037 BK |
2396 | if (be32_to_cpu(hostrcb->hcam.length) > sizeof(hostrcb->hcam.u.raw)) |
2397 | hostrcb->hcam.length = cpu_to_be32(sizeof(hostrcb->hcam.u.raw)); | |
1da177e4 LT |
2398 | |
2399 | switch (hostrcb->hcam.overlay_id) { | |
1da177e4 LT |
2400 | case IPR_HOST_RCB_OVERLAY_ID_2: |
2401 | ipr_log_cache_error(ioa_cfg, hostrcb); | |
2402 | break; | |
2403 | case IPR_HOST_RCB_OVERLAY_ID_3: | |
2404 | ipr_log_config_error(ioa_cfg, hostrcb); | |
2405 | break; | |
2406 | case IPR_HOST_RCB_OVERLAY_ID_4: | |
2407 | case IPR_HOST_RCB_OVERLAY_ID_6: | |
2408 | ipr_log_array_error(ioa_cfg, hostrcb); | |
2409 | break; | |
b0df54bb BK |
2410 | case IPR_HOST_RCB_OVERLAY_ID_7: |
2411 | ipr_log_dual_ioa_error(ioa_cfg, hostrcb); | |
2412 | break; | |
ee0f05b8 BK |
2413 | case IPR_HOST_RCB_OVERLAY_ID_12: |
2414 | ipr_log_enhanced_cache_error(ioa_cfg, hostrcb); | |
2415 | break; | |
2416 | case IPR_HOST_RCB_OVERLAY_ID_13: | |
2417 | ipr_log_enhanced_config_error(ioa_cfg, hostrcb); | |
2418 | break; | |
2419 | case IPR_HOST_RCB_OVERLAY_ID_14: | |
2420 | case IPR_HOST_RCB_OVERLAY_ID_16: | |
2421 | ipr_log_enhanced_array_error(ioa_cfg, hostrcb); | |
2422 | break; | |
2423 | case IPR_HOST_RCB_OVERLAY_ID_17: | |
2424 | ipr_log_enhanced_dual_ioa_error(ioa_cfg, hostrcb); | |
2425 | break; | |
49dc6a18 BK |
2426 | case IPR_HOST_RCB_OVERLAY_ID_20: |
2427 | ipr_log_fabric_error(ioa_cfg, hostrcb); | |
2428 | break; | |
4565e370 WB |
2429 | case IPR_HOST_RCB_OVERLAY_ID_23: |
2430 | ipr_log_sis64_config_error(ioa_cfg, hostrcb); | |
2431 | break; | |
2432 | case IPR_HOST_RCB_OVERLAY_ID_24: | |
2433 | case IPR_HOST_RCB_OVERLAY_ID_26: | |
2434 | ipr_log_sis64_array_error(ioa_cfg, hostrcb); | |
2435 | break; | |
2436 | case IPR_HOST_RCB_OVERLAY_ID_30: | |
2437 | ipr_log_sis64_fabric_error(ioa_cfg, hostrcb); | |
2438 | break; | |
cf852037 | 2439 | case IPR_HOST_RCB_OVERLAY_ID_1: |
1da177e4 | 2440 | case IPR_HOST_RCB_OVERLAY_ID_DEFAULT: |
1da177e4 | 2441 | default: |
a9cfca96 | 2442 | ipr_log_generic_error(ioa_cfg, hostrcb); |
1da177e4 LT |
2443 | break; |
2444 | } | |
2445 | } | |
2446 | ||
2447 | /** | |
2448 | * ipr_process_error - Op done function for an adapter error log. | |
2449 | * @ipr_cmd: ipr command struct | |
2450 | * | |
2451 | * This function is the op done function for an error log host | |
2452 | * controlled async from the adapter. It will log the error and | |
2453 | * send the HCAM back to the adapter. | |
2454 | * | |
2455 | * Return value: | |
2456 | * none | |
2457 | **/ | |
2458 | static void ipr_process_error(struct ipr_cmnd *ipr_cmd) | |
2459 | { | |
2460 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
2461 | struct ipr_hostrcb *hostrcb = ipr_cmd->u.hostrcb; | |
96d21f00 | 2462 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
4565e370 WB |
2463 | u32 fd_ioasc; |
2464 | ||
2465 | if (ioa_cfg->sis64) | |
2466 | fd_ioasc = be32_to_cpu(hostrcb->hcam.u.error64.fd_ioasc); | |
2467 | else | |
2468 | fd_ioasc = be32_to_cpu(hostrcb->hcam.u.error.fd_ioasc); | |
1da177e4 LT |
2469 | |
2470 | list_del(&hostrcb->queue); | |
05a6538a | 2471 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
1da177e4 LT |
2472 | |
2473 | if (!ioasc) { | |
2474 | ipr_handle_log_data(ioa_cfg, hostrcb); | |
65f56475 BK |
2475 | if (fd_ioasc == IPR_IOASC_NR_IOA_RESET_REQUIRED) |
2476 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_ABBREV); | |
1da177e4 LT |
2477 | } else if (ioasc != IPR_IOASC_IOA_WAS_RESET) { |
2478 | dev_err(&ioa_cfg->pdev->dev, | |
2479 | "Host RCB failed with IOASC: 0x%08X\n", ioasc); | |
2480 | } | |
2481 | ||
2482 | ipr_send_hcam(ioa_cfg, IPR_HCAM_CDB_OP_CODE_LOG_DATA, hostrcb); | |
2483 | } | |
2484 | ||
2485 | /** | |
2486 | * ipr_timeout - An internally generated op has timed out. | |
2487 | * @ipr_cmd: ipr command struct | |
2488 | * | |
2489 | * This function blocks host requests and initiates an | |
2490 | * adapter reset. | |
2491 | * | |
2492 | * Return value: | |
2493 | * none | |
2494 | **/ | |
2495 | static void ipr_timeout(struct ipr_cmnd *ipr_cmd) | |
2496 | { | |
2497 | unsigned long lock_flags = 0; | |
2498 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
2499 | ||
2500 | ENTER; | |
2501 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
2502 | ||
2503 | ioa_cfg->errors_logged++; | |
2504 | dev_err(&ioa_cfg->pdev->dev, | |
2505 | "Adapter being reset due to command timeout.\n"); | |
2506 | ||
2507 | if (WAIT_FOR_DUMP == ioa_cfg->sdt_state) | |
2508 | ioa_cfg->sdt_state = GET_DUMP; | |
2509 | ||
2510 | if (!ioa_cfg->in_reset_reload || ioa_cfg->reset_cmd == ipr_cmd) | |
2511 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); | |
2512 | ||
2513 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
2514 | LEAVE; | |
2515 | } | |
2516 | ||
2517 | /** | |
2518 | * ipr_oper_timeout - Adapter timed out transitioning to operational | |
2519 | * @ipr_cmd: ipr command struct | |
2520 | * | |
2521 | * This function blocks host requests and initiates an | |
2522 | * adapter reset. | |
2523 | * | |
2524 | * Return value: | |
2525 | * none | |
2526 | **/ | |
2527 | static void ipr_oper_timeout(struct ipr_cmnd *ipr_cmd) | |
2528 | { | |
2529 | unsigned long lock_flags = 0; | |
2530 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
2531 | ||
2532 | ENTER; | |
2533 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
2534 | ||
2535 | ioa_cfg->errors_logged++; | |
2536 | dev_err(&ioa_cfg->pdev->dev, | |
2537 | "Adapter timed out transitioning to operational.\n"); | |
2538 | ||
2539 | if (WAIT_FOR_DUMP == ioa_cfg->sdt_state) | |
2540 | ioa_cfg->sdt_state = GET_DUMP; | |
2541 | ||
2542 | if (!ioa_cfg->in_reset_reload || ioa_cfg->reset_cmd == ipr_cmd) { | |
2543 | if (ipr_fastfail) | |
2544 | ioa_cfg->reset_retries += IPR_NUM_RESET_RELOAD_RETRIES; | |
2545 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); | |
2546 | } | |
2547 | ||
2548 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
2549 | LEAVE; | |
2550 | } | |
2551 | ||
2552 | /** | |
2553 | * ipr_reset_reload - Reset/Reload the IOA | |
2554 | * @ioa_cfg: ioa config struct | |
2555 | * @shutdown_type: shutdown type | |
2556 | * | |
2557 | * This function resets the adapter and re-initializes it. | |
2558 | * This function assumes that all new host commands have been stopped. | |
2559 | * Return value: | |
2560 | * SUCCESS / FAILED | |
2561 | **/ | |
2562 | static int ipr_reset_reload(struct ipr_ioa_cfg *ioa_cfg, | |
2563 | enum ipr_shutdown_type shutdown_type) | |
2564 | { | |
2565 | if (!ioa_cfg->in_reset_reload) | |
2566 | ipr_initiate_ioa_reset(ioa_cfg, shutdown_type); | |
2567 | ||
2568 | spin_unlock_irq(ioa_cfg->host->host_lock); | |
2569 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
2570 | spin_lock_irq(ioa_cfg->host->host_lock); | |
2571 | ||
2572 | /* If we got hit with a host reset while we were already resetting | |
2573 | the adapter for some reason, and the reset failed. */ | |
56d6aa33 | 2574 | if (ioa_cfg->hrrq[IPR_INIT_HRRQ].ioa_is_dead) { |
1da177e4 LT |
2575 | ipr_trace; |
2576 | return FAILED; | |
2577 | } | |
2578 | ||
2579 | return SUCCESS; | |
2580 | } | |
2581 | ||
2582 | /** | |
2583 | * ipr_find_ses_entry - Find matching SES in SES table | |
2584 | * @res: resource entry struct of SES | |
2585 | * | |
2586 | * Return value: | |
2587 | * pointer to SES table entry / NULL on failure | |
2588 | **/ | |
2589 | static const struct ipr_ses_table_entry * | |
2590 | ipr_find_ses_entry(struct ipr_resource_entry *res) | |
2591 | { | |
2592 | int i, j, matches; | |
3e7ebdfa | 2593 | struct ipr_std_inq_vpids *vpids; |
1da177e4 LT |
2594 | const struct ipr_ses_table_entry *ste = ipr_ses_table; |
2595 | ||
2596 | for (i = 0; i < ARRAY_SIZE(ipr_ses_table); i++, ste++) { | |
2597 | for (j = 0, matches = 0; j < IPR_PROD_ID_LEN; j++) { | |
2598 | if (ste->compare_product_id_byte[j] == 'X') { | |
3e7ebdfa WB |
2599 | vpids = &res->std_inq_data.vpids; |
2600 | if (vpids->product_id[j] == ste->product_id[j]) | |
1da177e4 LT |
2601 | matches++; |
2602 | else | |
2603 | break; | |
2604 | } else | |
2605 | matches++; | |
2606 | } | |
2607 | ||
2608 | if (matches == IPR_PROD_ID_LEN) | |
2609 | return ste; | |
2610 | } | |
2611 | ||
2612 | return NULL; | |
2613 | } | |
2614 | ||
2615 | /** | |
2616 | * ipr_get_max_scsi_speed - Determine max SCSI speed for a given bus | |
2617 | * @ioa_cfg: ioa config struct | |
2618 | * @bus: SCSI bus | |
2619 | * @bus_width: bus width | |
2620 | * | |
2621 | * Return value: | |
2622 | * SCSI bus speed in units of 100KHz, 1600 is 160 MHz | |
2623 | * For a 2-byte wide SCSI bus, the maximum transfer speed is | |
2624 | * twice the maximum transfer rate (e.g. for a wide enabled bus, | |
2625 | * max 160MHz = max 320MB/sec). | |
2626 | **/ | |
2627 | static u32 ipr_get_max_scsi_speed(struct ipr_ioa_cfg *ioa_cfg, u8 bus, u8 bus_width) | |
2628 | { | |
2629 | struct ipr_resource_entry *res; | |
2630 | const struct ipr_ses_table_entry *ste; | |
2631 | u32 max_xfer_rate = IPR_MAX_SCSI_RATE(bus_width); | |
2632 | ||
2633 | /* Loop through each config table entry in the config table buffer */ | |
2634 | list_for_each_entry(res, &ioa_cfg->used_res_q, queue) { | |
3e7ebdfa | 2635 | if (!(IPR_IS_SES_DEVICE(res->std_inq_data))) |
1da177e4 LT |
2636 | continue; |
2637 | ||
3e7ebdfa | 2638 | if (bus != res->bus) |
1da177e4 LT |
2639 | continue; |
2640 | ||
2641 | if (!(ste = ipr_find_ses_entry(res))) | |
2642 | continue; | |
2643 | ||
2644 | max_xfer_rate = (ste->max_bus_speed_limit * 10) / (bus_width / 8); | |
2645 | } | |
2646 | ||
2647 | return max_xfer_rate; | |
2648 | } | |
2649 | ||
2650 | /** | |
2651 | * ipr_wait_iodbg_ack - Wait for an IODEBUG ACK from the IOA | |
2652 | * @ioa_cfg: ioa config struct | |
2653 | * @max_delay: max delay in micro-seconds to wait | |
2654 | * | |
2655 | * Waits for an IODEBUG ACK from the IOA, doing busy looping. | |
2656 | * | |
2657 | * Return value: | |
2658 | * 0 on success / other on failure | |
2659 | **/ | |
2660 | static int ipr_wait_iodbg_ack(struct ipr_ioa_cfg *ioa_cfg, int max_delay) | |
2661 | { | |
2662 | volatile u32 pcii_reg; | |
2663 | int delay = 1; | |
2664 | ||
2665 | /* Read interrupt reg until IOA signals IO Debug Acknowledge */ | |
2666 | while (delay < max_delay) { | |
2667 | pcii_reg = readl(ioa_cfg->regs.sense_interrupt_reg); | |
2668 | ||
2669 | if (pcii_reg & IPR_PCII_IO_DEBUG_ACKNOWLEDGE) | |
2670 | return 0; | |
2671 | ||
2672 | /* udelay cannot be used if delay is more than a few milliseconds */ | |
2673 | if ((delay / 1000) > MAX_UDELAY_MS) | |
2674 | mdelay(delay / 1000); | |
2675 | else | |
2676 | udelay(delay); | |
2677 | ||
2678 | delay += delay; | |
2679 | } | |
2680 | return -EIO; | |
2681 | } | |
2682 | ||
dcbad00e WB |
2683 | /** |
2684 | * ipr_get_sis64_dump_data_section - Dump IOA memory | |
2685 | * @ioa_cfg: ioa config struct | |
2686 | * @start_addr: adapter address to dump | |
2687 | * @dest: destination kernel buffer | |
2688 | * @length_in_words: length to dump in 4 byte words | |
2689 | * | |
2690 | * Return value: | |
2691 | * 0 on success | |
2692 | **/ | |
2693 | static int ipr_get_sis64_dump_data_section(struct ipr_ioa_cfg *ioa_cfg, | |
2694 | u32 start_addr, | |
2695 | __be32 *dest, u32 length_in_words) | |
2696 | { | |
2697 | int i; | |
2698 | ||
2699 | for (i = 0; i < length_in_words; i++) { | |
2700 | writel(start_addr+(i*4), ioa_cfg->regs.dump_addr_reg); | |
2701 | *dest = cpu_to_be32(readl(ioa_cfg->regs.dump_data_reg)); | |
2702 | dest++; | |
2703 | } | |
2704 | ||
2705 | return 0; | |
2706 | } | |
2707 | ||
1da177e4 LT |
2708 | /** |
2709 | * ipr_get_ldump_data_section - Dump IOA memory | |
2710 | * @ioa_cfg: ioa config struct | |
2711 | * @start_addr: adapter address to dump | |
2712 | * @dest: destination kernel buffer | |
2713 | * @length_in_words: length to dump in 4 byte words | |
2714 | * | |
2715 | * Return value: | |
2716 | * 0 on success / -EIO on failure | |
2717 | **/ | |
2718 | static int ipr_get_ldump_data_section(struct ipr_ioa_cfg *ioa_cfg, | |
2719 | u32 start_addr, | |
2720 | __be32 *dest, u32 length_in_words) | |
2721 | { | |
2722 | volatile u32 temp_pcii_reg; | |
2723 | int i, delay = 0; | |
2724 | ||
dcbad00e WB |
2725 | if (ioa_cfg->sis64) |
2726 | return ipr_get_sis64_dump_data_section(ioa_cfg, start_addr, | |
2727 | dest, length_in_words); | |
2728 | ||
1da177e4 LT |
2729 | /* Write IOA interrupt reg starting LDUMP state */ |
2730 | writel((IPR_UPROCI_RESET_ALERT | IPR_UPROCI_IO_DEBUG_ALERT), | |
214777ba | 2731 | ioa_cfg->regs.set_uproc_interrupt_reg32); |
1da177e4 LT |
2732 | |
2733 | /* Wait for IO debug acknowledge */ | |
2734 | if (ipr_wait_iodbg_ack(ioa_cfg, | |
2735 | IPR_LDUMP_MAX_LONG_ACK_DELAY_IN_USEC)) { | |
2736 | dev_err(&ioa_cfg->pdev->dev, | |
2737 | "IOA dump long data transfer timeout\n"); | |
2738 | return -EIO; | |
2739 | } | |
2740 | ||
2741 | /* Signal LDUMP interlocked - clear IO debug ack */ | |
2742 | writel(IPR_PCII_IO_DEBUG_ACKNOWLEDGE, | |
2743 | ioa_cfg->regs.clr_interrupt_reg); | |
2744 | ||
2745 | /* Write Mailbox with starting address */ | |
2746 | writel(start_addr, ioa_cfg->ioa_mailbox); | |
2747 | ||
2748 | /* Signal address valid - clear IOA Reset alert */ | |
2749 | writel(IPR_UPROCI_RESET_ALERT, | |
214777ba | 2750 | ioa_cfg->regs.clr_uproc_interrupt_reg32); |
1da177e4 LT |
2751 | |
2752 | for (i = 0; i < length_in_words; i++) { | |
2753 | /* Wait for IO debug acknowledge */ | |
2754 | if (ipr_wait_iodbg_ack(ioa_cfg, | |
2755 | IPR_LDUMP_MAX_SHORT_ACK_DELAY_IN_USEC)) { | |
2756 | dev_err(&ioa_cfg->pdev->dev, | |
2757 | "IOA dump short data transfer timeout\n"); | |
2758 | return -EIO; | |
2759 | } | |
2760 | ||
2761 | /* Read data from mailbox and increment destination pointer */ | |
2762 | *dest = cpu_to_be32(readl(ioa_cfg->ioa_mailbox)); | |
2763 | dest++; | |
2764 | ||
2765 | /* For all but the last word of data, signal data received */ | |
2766 | if (i < (length_in_words - 1)) { | |
2767 | /* Signal dump data received - Clear IO debug Ack */ | |
2768 | writel(IPR_PCII_IO_DEBUG_ACKNOWLEDGE, | |
2769 | ioa_cfg->regs.clr_interrupt_reg); | |
2770 | } | |
2771 | } | |
2772 | ||
2773 | /* Signal end of block transfer. Set reset alert then clear IO debug ack */ | |
2774 | writel(IPR_UPROCI_RESET_ALERT, | |
214777ba | 2775 | ioa_cfg->regs.set_uproc_interrupt_reg32); |
1da177e4 LT |
2776 | |
2777 | writel(IPR_UPROCI_IO_DEBUG_ALERT, | |
214777ba | 2778 | ioa_cfg->regs.clr_uproc_interrupt_reg32); |
1da177e4 LT |
2779 | |
2780 | /* Signal dump data received - Clear IO debug Ack */ | |
2781 | writel(IPR_PCII_IO_DEBUG_ACKNOWLEDGE, | |
2782 | ioa_cfg->regs.clr_interrupt_reg); | |
2783 | ||
2784 | /* Wait for IOA to signal LDUMP exit - IOA reset alert will be cleared */ | |
2785 | while (delay < IPR_LDUMP_MAX_SHORT_ACK_DELAY_IN_USEC) { | |
2786 | temp_pcii_reg = | |
214777ba | 2787 | readl(ioa_cfg->regs.sense_uproc_interrupt_reg32); |
1da177e4 LT |
2788 | |
2789 | if (!(temp_pcii_reg & IPR_UPROCI_RESET_ALERT)) | |
2790 | return 0; | |
2791 | ||
2792 | udelay(10); | |
2793 | delay += 10; | |
2794 | } | |
2795 | ||
2796 | return 0; | |
2797 | } | |
2798 | ||
2799 | #ifdef CONFIG_SCSI_IPR_DUMP | |
2800 | /** | |
2801 | * ipr_sdt_copy - Copy Smart Dump Table to kernel buffer | |
2802 | * @ioa_cfg: ioa config struct | |
2803 | * @pci_address: adapter address | |
2804 | * @length: length of data to copy | |
2805 | * | |
2806 | * Copy data from PCI adapter to kernel buffer. | |
2807 | * Note: length MUST be a 4 byte multiple | |
2808 | * Return value: | |
2809 | * 0 on success / other on failure | |
2810 | **/ | |
2811 | static int ipr_sdt_copy(struct ipr_ioa_cfg *ioa_cfg, | |
2812 | unsigned long pci_address, u32 length) | |
2813 | { | |
2814 | int bytes_copied = 0; | |
4d4dd706 | 2815 | int cur_len, rc, rem_len, rem_page_len, max_dump_size; |
1da177e4 LT |
2816 | __be32 *page; |
2817 | unsigned long lock_flags = 0; | |
2818 | struct ipr_ioa_dump *ioa_dump = &ioa_cfg->dump->ioa_dump; | |
2819 | ||
4d4dd706 KSS |
2820 | if (ioa_cfg->sis64) |
2821 | max_dump_size = IPR_FMT3_MAX_IOA_DUMP_SIZE; | |
2822 | else | |
2823 | max_dump_size = IPR_FMT2_MAX_IOA_DUMP_SIZE; | |
2824 | ||
1da177e4 | 2825 | while (bytes_copied < length && |
4d4dd706 | 2826 | (ioa_dump->hdr.len + bytes_copied) < max_dump_size) { |
1da177e4 LT |
2827 | if (ioa_dump->page_offset >= PAGE_SIZE || |
2828 | ioa_dump->page_offset == 0) { | |
2829 | page = (__be32 *)__get_free_page(GFP_ATOMIC); | |
2830 | ||
2831 | if (!page) { | |
2832 | ipr_trace; | |
2833 | return bytes_copied; | |
2834 | } | |
2835 | ||
2836 | ioa_dump->page_offset = 0; | |
2837 | ioa_dump->ioa_data[ioa_dump->next_page_index] = page; | |
2838 | ioa_dump->next_page_index++; | |
2839 | } else | |
2840 | page = ioa_dump->ioa_data[ioa_dump->next_page_index - 1]; | |
2841 | ||
2842 | rem_len = length - bytes_copied; | |
2843 | rem_page_len = PAGE_SIZE - ioa_dump->page_offset; | |
2844 | cur_len = min(rem_len, rem_page_len); | |
2845 | ||
2846 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
2847 | if (ioa_cfg->sdt_state == ABORT_DUMP) { | |
2848 | rc = -EIO; | |
2849 | } else { | |
2850 | rc = ipr_get_ldump_data_section(ioa_cfg, | |
2851 | pci_address + bytes_copied, | |
2852 | &page[ioa_dump->page_offset / 4], | |
2853 | (cur_len / sizeof(u32))); | |
2854 | } | |
2855 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
2856 | ||
2857 | if (!rc) { | |
2858 | ioa_dump->page_offset += cur_len; | |
2859 | bytes_copied += cur_len; | |
2860 | } else { | |
2861 | ipr_trace; | |
2862 | break; | |
2863 | } | |
2864 | schedule(); | |
2865 | } | |
2866 | ||
2867 | return bytes_copied; | |
2868 | } | |
2869 | ||
2870 | /** | |
2871 | * ipr_init_dump_entry_hdr - Initialize a dump entry header. | |
2872 | * @hdr: dump entry header struct | |
2873 | * | |
2874 | * Return value: | |
2875 | * nothing | |
2876 | **/ | |
2877 | static void ipr_init_dump_entry_hdr(struct ipr_dump_entry_header *hdr) | |
2878 | { | |
2879 | hdr->eye_catcher = IPR_DUMP_EYE_CATCHER; | |
2880 | hdr->num_elems = 1; | |
2881 | hdr->offset = sizeof(*hdr); | |
2882 | hdr->status = IPR_DUMP_STATUS_SUCCESS; | |
2883 | } | |
2884 | ||
2885 | /** | |
2886 | * ipr_dump_ioa_type_data - Fill in the adapter type in the dump. | |
2887 | * @ioa_cfg: ioa config struct | |
2888 | * @driver_dump: driver dump struct | |
2889 | * | |
2890 | * Return value: | |
2891 | * nothing | |
2892 | **/ | |
2893 | static void ipr_dump_ioa_type_data(struct ipr_ioa_cfg *ioa_cfg, | |
2894 | struct ipr_driver_dump *driver_dump) | |
2895 | { | |
2896 | struct ipr_inquiry_page3 *ucode_vpd = &ioa_cfg->vpd_cbs->page3_data; | |
2897 | ||
2898 | ipr_init_dump_entry_hdr(&driver_dump->ioa_type_entry.hdr); | |
2899 | driver_dump->ioa_type_entry.hdr.len = | |
2900 | sizeof(struct ipr_dump_ioa_type_entry) - | |
2901 | sizeof(struct ipr_dump_entry_header); | |
2902 | driver_dump->ioa_type_entry.hdr.data_type = IPR_DUMP_DATA_TYPE_BINARY; | |
2903 | driver_dump->ioa_type_entry.hdr.id = IPR_DUMP_DRIVER_TYPE_ID; | |
2904 | driver_dump->ioa_type_entry.type = ioa_cfg->type; | |
2905 | driver_dump->ioa_type_entry.fw_version = (ucode_vpd->major_release << 24) | | |
2906 | (ucode_vpd->card_type << 16) | (ucode_vpd->minor_release[0] << 8) | | |
2907 | ucode_vpd->minor_release[1]; | |
2908 | driver_dump->hdr.num_entries++; | |
2909 | } | |
2910 | ||
2911 | /** | |
2912 | * ipr_dump_version_data - Fill in the driver version in the dump. | |
2913 | * @ioa_cfg: ioa config struct | |
2914 | * @driver_dump: driver dump struct | |
2915 | * | |
2916 | * Return value: | |
2917 | * nothing | |
2918 | **/ | |
2919 | static void ipr_dump_version_data(struct ipr_ioa_cfg *ioa_cfg, | |
2920 | struct ipr_driver_dump *driver_dump) | |
2921 | { | |
2922 | ipr_init_dump_entry_hdr(&driver_dump->version_entry.hdr); | |
2923 | driver_dump->version_entry.hdr.len = | |
2924 | sizeof(struct ipr_dump_version_entry) - | |
2925 | sizeof(struct ipr_dump_entry_header); | |
2926 | driver_dump->version_entry.hdr.data_type = IPR_DUMP_DATA_TYPE_ASCII; | |
2927 | driver_dump->version_entry.hdr.id = IPR_DUMP_DRIVER_VERSION_ID; | |
2928 | strcpy(driver_dump->version_entry.version, IPR_DRIVER_VERSION); | |
2929 | driver_dump->hdr.num_entries++; | |
2930 | } | |
2931 | ||
2932 | /** | |
2933 | * ipr_dump_trace_data - Fill in the IOA trace in the dump. | |
2934 | * @ioa_cfg: ioa config struct | |
2935 | * @driver_dump: driver dump struct | |
2936 | * | |
2937 | * Return value: | |
2938 | * nothing | |
2939 | **/ | |
2940 | static void ipr_dump_trace_data(struct ipr_ioa_cfg *ioa_cfg, | |
2941 | struct ipr_driver_dump *driver_dump) | |
2942 | { | |
2943 | ipr_init_dump_entry_hdr(&driver_dump->trace_entry.hdr); | |
2944 | driver_dump->trace_entry.hdr.len = | |
2945 | sizeof(struct ipr_dump_trace_entry) - | |
2946 | sizeof(struct ipr_dump_entry_header); | |
2947 | driver_dump->trace_entry.hdr.data_type = IPR_DUMP_DATA_TYPE_BINARY; | |
2948 | driver_dump->trace_entry.hdr.id = IPR_DUMP_TRACE_ID; | |
2949 | memcpy(driver_dump->trace_entry.trace, ioa_cfg->trace, IPR_TRACE_SIZE); | |
2950 | driver_dump->hdr.num_entries++; | |
2951 | } | |
2952 | ||
2953 | /** | |
2954 | * ipr_dump_location_data - Fill in the IOA location in the dump. | |
2955 | * @ioa_cfg: ioa config struct | |
2956 | * @driver_dump: driver dump struct | |
2957 | * | |
2958 | * Return value: | |
2959 | * nothing | |
2960 | **/ | |
2961 | static void ipr_dump_location_data(struct ipr_ioa_cfg *ioa_cfg, | |
2962 | struct ipr_driver_dump *driver_dump) | |
2963 | { | |
2964 | ipr_init_dump_entry_hdr(&driver_dump->location_entry.hdr); | |
2965 | driver_dump->location_entry.hdr.len = | |
2966 | sizeof(struct ipr_dump_location_entry) - | |
2967 | sizeof(struct ipr_dump_entry_header); | |
2968 | driver_dump->location_entry.hdr.data_type = IPR_DUMP_DATA_TYPE_ASCII; | |
2969 | driver_dump->location_entry.hdr.id = IPR_DUMP_LOCATION_ID; | |
71610f55 | 2970 | strcpy(driver_dump->location_entry.location, dev_name(&ioa_cfg->pdev->dev)); |
1da177e4 LT |
2971 | driver_dump->hdr.num_entries++; |
2972 | } | |
2973 | ||
2974 | /** | |
2975 | * ipr_get_ioa_dump - Perform a dump of the driver and adapter. | |
2976 | * @ioa_cfg: ioa config struct | |
2977 | * @dump: dump struct | |
2978 | * | |
2979 | * Return value: | |
2980 | * nothing | |
2981 | **/ | |
2982 | static void ipr_get_ioa_dump(struct ipr_ioa_cfg *ioa_cfg, struct ipr_dump *dump) | |
2983 | { | |
2984 | unsigned long start_addr, sdt_word; | |
2985 | unsigned long lock_flags = 0; | |
2986 | struct ipr_driver_dump *driver_dump = &dump->driver_dump; | |
2987 | struct ipr_ioa_dump *ioa_dump = &dump->ioa_dump; | |
4d4dd706 KSS |
2988 | u32 num_entries, max_num_entries, start_off, end_off; |
2989 | u32 max_dump_size, bytes_to_copy, bytes_copied, rc; | |
1da177e4 | 2990 | struct ipr_sdt *sdt; |
dcbad00e | 2991 | int valid = 1; |
1da177e4 LT |
2992 | int i; |
2993 | ||
2994 | ENTER; | |
2995 | ||
2996 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
2997 | ||
41e9a696 | 2998 | if (ioa_cfg->sdt_state != READ_DUMP) { |
1da177e4 LT |
2999 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
3000 | return; | |
3001 | } | |
3002 | ||
110def85 WB |
3003 | if (ioa_cfg->sis64) { |
3004 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3005 | ssleep(IPR_DUMP_DELAY_SECONDS); | |
3006 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3007 | } | |
3008 | ||
1da177e4 LT |
3009 | start_addr = readl(ioa_cfg->ioa_mailbox); |
3010 | ||
dcbad00e | 3011 | if (!ioa_cfg->sis64 && !ipr_sdt_is_fmt2(start_addr)) { |
1da177e4 LT |
3012 | dev_err(&ioa_cfg->pdev->dev, |
3013 | "Invalid dump table format: %lx\n", start_addr); | |
3014 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3015 | return; | |
3016 | } | |
3017 | ||
3018 | dev_err(&ioa_cfg->pdev->dev, "Dump of IOA initiated\n"); | |
3019 | ||
3020 | driver_dump->hdr.eye_catcher = IPR_DUMP_EYE_CATCHER; | |
3021 | ||
3022 | /* Initialize the overall dump header */ | |
3023 | driver_dump->hdr.len = sizeof(struct ipr_driver_dump); | |
3024 | driver_dump->hdr.num_entries = 1; | |
3025 | driver_dump->hdr.first_entry_offset = sizeof(struct ipr_dump_header); | |
3026 | driver_dump->hdr.status = IPR_DUMP_STATUS_SUCCESS; | |
3027 | driver_dump->hdr.os = IPR_DUMP_OS_LINUX; | |
3028 | driver_dump->hdr.driver_name = IPR_DUMP_DRIVER_NAME; | |
3029 | ||
3030 | ipr_dump_version_data(ioa_cfg, driver_dump); | |
3031 | ipr_dump_location_data(ioa_cfg, driver_dump); | |
3032 | ipr_dump_ioa_type_data(ioa_cfg, driver_dump); | |
3033 | ipr_dump_trace_data(ioa_cfg, driver_dump); | |
3034 | ||
3035 | /* Update dump_header */ | |
3036 | driver_dump->hdr.len += sizeof(struct ipr_dump_entry_header); | |
3037 | ||
3038 | /* IOA Dump entry */ | |
3039 | ipr_init_dump_entry_hdr(&ioa_dump->hdr); | |
1da177e4 LT |
3040 | ioa_dump->hdr.len = 0; |
3041 | ioa_dump->hdr.data_type = IPR_DUMP_DATA_TYPE_BINARY; | |
3042 | ioa_dump->hdr.id = IPR_DUMP_IOA_DUMP_ID; | |
3043 | ||
3044 | /* First entries in sdt are actually a list of dump addresses and | |
3045 | lengths to gather the real dump data. sdt represents the pointer | |
3046 | to the ioa generated dump table. Dump data will be extracted based | |
3047 | on entries in this table */ | |
3048 | sdt = &ioa_dump->sdt; | |
3049 | ||
4d4dd706 KSS |
3050 | if (ioa_cfg->sis64) { |
3051 | max_num_entries = IPR_FMT3_NUM_SDT_ENTRIES; | |
3052 | max_dump_size = IPR_FMT3_MAX_IOA_DUMP_SIZE; | |
3053 | } else { | |
3054 | max_num_entries = IPR_FMT2_NUM_SDT_ENTRIES; | |
3055 | max_dump_size = IPR_FMT2_MAX_IOA_DUMP_SIZE; | |
3056 | } | |
3057 | ||
3058 | bytes_to_copy = offsetof(struct ipr_sdt, entry) + | |
3059 | (max_num_entries * sizeof(struct ipr_sdt_entry)); | |
1da177e4 | 3060 | rc = ipr_get_ldump_data_section(ioa_cfg, start_addr, (__be32 *)sdt, |
4d4dd706 | 3061 | bytes_to_copy / sizeof(__be32)); |
1da177e4 LT |
3062 | |
3063 | /* Smart Dump table is ready to use and the first entry is valid */ | |
dcbad00e WB |
3064 | if (rc || ((be32_to_cpu(sdt->hdr.state) != IPR_FMT3_SDT_READY_TO_USE) && |
3065 | (be32_to_cpu(sdt->hdr.state) != IPR_FMT2_SDT_READY_TO_USE))) { | |
1da177e4 LT |
3066 | dev_err(&ioa_cfg->pdev->dev, |
3067 | "Dump of IOA failed. Dump table not valid: %d, %X.\n", | |
3068 | rc, be32_to_cpu(sdt->hdr.state)); | |
3069 | driver_dump->hdr.status = IPR_DUMP_STATUS_FAILED; | |
3070 | ioa_cfg->sdt_state = DUMP_OBTAINED; | |
3071 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3072 | return; | |
3073 | } | |
3074 | ||
3075 | num_entries = be32_to_cpu(sdt->hdr.num_entries_used); | |
3076 | ||
4d4dd706 KSS |
3077 | if (num_entries > max_num_entries) |
3078 | num_entries = max_num_entries; | |
3079 | ||
3080 | /* Update dump length to the actual data to be copied */ | |
3081 | dump->driver_dump.hdr.len += sizeof(struct ipr_sdt_header); | |
3082 | if (ioa_cfg->sis64) | |
3083 | dump->driver_dump.hdr.len += num_entries * sizeof(struct ipr_sdt_entry); | |
3084 | else | |
3085 | dump->driver_dump.hdr.len += max_num_entries * sizeof(struct ipr_sdt_entry); | |
1da177e4 LT |
3086 | |
3087 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3088 | ||
3089 | for (i = 0; i < num_entries; i++) { | |
4d4dd706 | 3090 | if (ioa_dump->hdr.len > max_dump_size) { |
1da177e4 LT |
3091 | driver_dump->hdr.status = IPR_DUMP_STATUS_QUAL_SUCCESS; |
3092 | break; | |
3093 | } | |
3094 | ||
3095 | if (sdt->entry[i].flags & IPR_SDT_VALID_ENTRY) { | |
dcbad00e WB |
3096 | sdt_word = be32_to_cpu(sdt->entry[i].start_token); |
3097 | if (ioa_cfg->sis64) | |
3098 | bytes_to_copy = be32_to_cpu(sdt->entry[i].end_token); | |
3099 | else { | |
3100 | start_off = sdt_word & IPR_FMT2_MBX_ADDR_MASK; | |
3101 | end_off = be32_to_cpu(sdt->entry[i].end_token); | |
3102 | ||
3103 | if (ipr_sdt_is_fmt2(sdt_word) && sdt_word) | |
3104 | bytes_to_copy = end_off - start_off; | |
3105 | else | |
3106 | valid = 0; | |
3107 | } | |
3108 | if (valid) { | |
4d4dd706 | 3109 | if (bytes_to_copy > max_dump_size) { |
1da177e4 LT |
3110 | sdt->entry[i].flags &= ~IPR_SDT_VALID_ENTRY; |
3111 | continue; | |
3112 | } | |
3113 | ||
3114 | /* Copy data from adapter to driver buffers */ | |
3115 | bytes_copied = ipr_sdt_copy(ioa_cfg, sdt_word, | |
3116 | bytes_to_copy); | |
3117 | ||
3118 | ioa_dump->hdr.len += bytes_copied; | |
3119 | ||
3120 | if (bytes_copied != bytes_to_copy) { | |
3121 | driver_dump->hdr.status = IPR_DUMP_STATUS_QUAL_SUCCESS; | |
3122 | break; | |
3123 | } | |
3124 | } | |
3125 | } | |
3126 | } | |
3127 | ||
3128 | dev_err(&ioa_cfg->pdev->dev, "Dump of IOA completed.\n"); | |
3129 | ||
3130 | /* Update dump_header */ | |
3131 | driver_dump->hdr.len += ioa_dump->hdr.len; | |
3132 | wmb(); | |
3133 | ioa_cfg->sdt_state = DUMP_OBTAINED; | |
3134 | LEAVE; | |
3135 | } | |
3136 | ||
3137 | #else | |
203fa3fe | 3138 | #define ipr_get_ioa_dump(ioa_cfg, dump) do { } while (0) |
1da177e4 LT |
3139 | #endif |
3140 | ||
3141 | /** | |
3142 | * ipr_release_dump - Free adapter dump memory | |
3143 | * @kref: kref struct | |
3144 | * | |
3145 | * Return value: | |
3146 | * nothing | |
3147 | **/ | |
3148 | static void ipr_release_dump(struct kref *kref) | |
3149 | { | |
203fa3fe | 3150 | struct ipr_dump *dump = container_of(kref, struct ipr_dump, kref); |
1da177e4 LT |
3151 | struct ipr_ioa_cfg *ioa_cfg = dump->ioa_cfg; |
3152 | unsigned long lock_flags = 0; | |
3153 | int i; | |
3154 | ||
3155 | ENTER; | |
3156 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3157 | ioa_cfg->dump = NULL; | |
3158 | ioa_cfg->sdt_state = INACTIVE; | |
3159 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3160 | ||
3161 | for (i = 0; i < dump->ioa_dump.next_page_index; i++) | |
3162 | free_page((unsigned long) dump->ioa_dump.ioa_data[i]); | |
3163 | ||
4d4dd706 | 3164 | vfree(dump->ioa_dump.ioa_data); |
1da177e4 LT |
3165 | kfree(dump); |
3166 | LEAVE; | |
3167 | } | |
3168 | ||
3169 | /** | |
3170 | * ipr_worker_thread - Worker thread | |
c4028958 | 3171 | * @work: ioa config struct |
1da177e4 LT |
3172 | * |
3173 | * Called at task level from a work thread. This function takes care | |
3174 | * of adding and removing device from the mid-layer as configuration | |
3175 | * changes are detected by the adapter. | |
3176 | * | |
3177 | * Return value: | |
3178 | * nothing | |
3179 | **/ | |
c4028958 | 3180 | static void ipr_worker_thread(struct work_struct *work) |
1da177e4 LT |
3181 | { |
3182 | unsigned long lock_flags; | |
3183 | struct ipr_resource_entry *res; | |
3184 | struct scsi_device *sdev; | |
3185 | struct ipr_dump *dump; | |
c4028958 DH |
3186 | struct ipr_ioa_cfg *ioa_cfg = |
3187 | container_of(work, struct ipr_ioa_cfg, work_q); | |
1da177e4 LT |
3188 | u8 bus, target, lun; |
3189 | int did_work; | |
3190 | ||
3191 | ENTER; | |
3192 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3193 | ||
41e9a696 | 3194 | if (ioa_cfg->sdt_state == READ_DUMP) { |
1da177e4 LT |
3195 | dump = ioa_cfg->dump; |
3196 | if (!dump) { | |
3197 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3198 | return; | |
3199 | } | |
3200 | kref_get(&dump->kref); | |
3201 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3202 | ipr_get_ioa_dump(ioa_cfg, dump); | |
3203 | kref_put(&dump->kref, ipr_release_dump); | |
3204 | ||
3205 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4c647e90 | 3206 | if (ioa_cfg->sdt_state == DUMP_OBTAINED && !ioa_cfg->dump_timeout) |
1da177e4 LT |
3207 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); |
3208 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3209 | return; | |
3210 | } | |
3211 | ||
3212 | restart: | |
3213 | do { | |
3214 | did_work = 0; | |
56d6aa33 | 3215 | if (!ioa_cfg->hrrq[IPR_INIT_HRRQ].allow_cmds || |
3216 | !ioa_cfg->allow_ml_add_del) { | |
1da177e4 LT |
3217 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
3218 | return; | |
3219 | } | |
3220 | ||
3221 | list_for_each_entry(res, &ioa_cfg->used_res_q, queue) { | |
3222 | if (res->del_from_ml && res->sdev) { | |
3223 | did_work = 1; | |
3224 | sdev = res->sdev; | |
3225 | if (!scsi_device_get(sdev)) { | |
5767a1c4 KSS |
3226 | if (!res->add_to_ml) |
3227 | list_move_tail(&res->queue, &ioa_cfg->free_res_q); | |
3228 | else | |
3229 | res->del_from_ml = 0; | |
1da177e4 LT |
3230 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
3231 | scsi_remove_device(sdev); | |
3232 | scsi_device_put(sdev); | |
3233 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3234 | } | |
3235 | break; | |
3236 | } | |
3237 | } | |
203fa3fe | 3238 | } while (did_work); |
1da177e4 LT |
3239 | |
3240 | list_for_each_entry(res, &ioa_cfg->used_res_q, queue) { | |
3241 | if (res->add_to_ml) { | |
3e7ebdfa WB |
3242 | bus = res->bus; |
3243 | target = res->target; | |
3244 | lun = res->lun; | |
1121b794 | 3245 | res->add_to_ml = 0; |
1da177e4 LT |
3246 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
3247 | scsi_add_device(ioa_cfg->host, bus, target, lun); | |
3248 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3249 | goto restart; | |
3250 | } | |
3251 | } | |
3252 | ||
3253 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
ee959b00 | 3254 | kobject_uevent(&ioa_cfg->host->shost_dev.kobj, KOBJ_CHANGE); |
1da177e4 LT |
3255 | LEAVE; |
3256 | } | |
3257 | ||
3258 | #ifdef CONFIG_SCSI_IPR_TRACE | |
3259 | /** | |
3260 | * ipr_read_trace - Dump the adapter trace | |
2c3c8bea | 3261 | * @filp: open sysfs file |
1da177e4 | 3262 | * @kobj: kobject struct |
91a69029 | 3263 | * @bin_attr: bin_attribute struct |
1da177e4 LT |
3264 | * @buf: buffer |
3265 | * @off: offset | |
3266 | * @count: buffer size | |
3267 | * | |
3268 | * Return value: | |
3269 | * number of bytes printed to buffer | |
3270 | **/ | |
2c3c8bea | 3271 | static ssize_t ipr_read_trace(struct file *filp, struct kobject *kobj, |
91a69029 ZR |
3272 | struct bin_attribute *bin_attr, |
3273 | char *buf, loff_t off, size_t count) | |
1da177e4 | 3274 | { |
ee959b00 TJ |
3275 | struct device *dev = container_of(kobj, struct device, kobj); |
3276 | struct Scsi_Host *shost = class_to_shost(dev); | |
1da177e4 LT |
3277 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
3278 | unsigned long lock_flags = 0; | |
d777aaf3 | 3279 | ssize_t ret; |
1da177e4 LT |
3280 | |
3281 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
d777aaf3 AM |
3282 | ret = memory_read_from_buffer(buf, count, &off, ioa_cfg->trace, |
3283 | IPR_TRACE_SIZE); | |
1da177e4 | 3284 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
d777aaf3 AM |
3285 | |
3286 | return ret; | |
1da177e4 LT |
3287 | } |
3288 | ||
3289 | static struct bin_attribute ipr_trace_attr = { | |
3290 | .attr = { | |
3291 | .name = "trace", | |
3292 | .mode = S_IRUGO, | |
3293 | }, | |
3294 | .size = 0, | |
3295 | .read = ipr_read_trace, | |
3296 | }; | |
3297 | #endif | |
3298 | ||
3299 | /** | |
3300 | * ipr_show_fw_version - Show the firmware version | |
ee959b00 TJ |
3301 | * @dev: class device struct |
3302 | * @buf: buffer | |
1da177e4 LT |
3303 | * |
3304 | * Return value: | |
3305 | * number of bytes printed to buffer | |
3306 | **/ | |
ee959b00 TJ |
3307 | static ssize_t ipr_show_fw_version(struct device *dev, |
3308 | struct device_attribute *attr, char *buf) | |
1da177e4 | 3309 | { |
ee959b00 | 3310 | struct Scsi_Host *shost = class_to_shost(dev); |
1da177e4 LT |
3311 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
3312 | struct ipr_inquiry_page3 *ucode_vpd = &ioa_cfg->vpd_cbs->page3_data; | |
3313 | unsigned long lock_flags = 0; | |
3314 | int len; | |
3315 | ||
3316 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3317 | len = snprintf(buf, PAGE_SIZE, "%02X%02X%02X%02X\n", | |
3318 | ucode_vpd->major_release, ucode_vpd->card_type, | |
3319 | ucode_vpd->minor_release[0], | |
3320 | ucode_vpd->minor_release[1]); | |
3321 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3322 | return len; | |
3323 | } | |
3324 | ||
ee959b00 | 3325 | static struct device_attribute ipr_fw_version_attr = { |
1da177e4 LT |
3326 | .attr = { |
3327 | .name = "fw_version", | |
3328 | .mode = S_IRUGO, | |
3329 | }, | |
3330 | .show = ipr_show_fw_version, | |
3331 | }; | |
3332 | ||
3333 | /** | |
3334 | * ipr_show_log_level - Show the adapter's error logging level | |
ee959b00 TJ |
3335 | * @dev: class device struct |
3336 | * @buf: buffer | |
1da177e4 LT |
3337 | * |
3338 | * Return value: | |
3339 | * number of bytes printed to buffer | |
3340 | **/ | |
ee959b00 TJ |
3341 | static ssize_t ipr_show_log_level(struct device *dev, |
3342 | struct device_attribute *attr, char *buf) | |
1da177e4 | 3343 | { |
ee959b00 | 3344 | struct Scsi_Host *shost = class_to_shost(dev); |
1da177e4 LT |
3345 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
3346 | unsigned long lock_flags = 0; | |
3347 | int len; | |
3348 | ||
3349 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3350 | len = snprintf(buf, PAGE_SIZE, "%d\n", ioa_cfg->log_level); | |
3351 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3352 | return len; | |
3353 | } | |
3354 | ||
3355 | /** | |
3356 | * ipr_store_log_level - Change the adapter's error logging level | |
ee959b00 TJ |
3357 | * @dev: class device struct |
3358 | * @buf: buffer | |
1da177e4 LT |
3359 | * |
3360 | * Return value: | |
3361 | * number of bytes printed to buffer | |
3362 | **/ | |
ee959b00 | 3363 | static ssize_t ipr_store_log_level(struct device *dev, |
203fa3fe | 3364 | struct device_attribute *attr, |
1da177e4 LT |
3365 | const char *buf, size_t count) |
3366 | { | |
ee959b00 | 3367 | struct Scsi_Host *shost = class_to_shost(dev); |
1da177e4 LT |
3368 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
3369 | unsigned long lock_flags = 0; | |
3370 | ||
3371 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3372 | ioa_cfg->log_level = simple_strtoul(buf, NULL, 10); | |
3373 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3374 | return strlen(buf); | |
3375 | } | |
3376 | ||
ee959b00 | 3377 | static struct device_attribute ipr_log_level_attr = { |
1da177e4 LT |
3378 | .attr = { |
3379 | .name = "log_level", | |
3380 | .mode = S_IRUGO | S_IWUSR, | |
3381 | }, | |
3382 | .show = ipr_show_log_level, | |
3383 | .store = ipr_store_log_level | |
3384 | }; | |
3385 | ||
3386 | /** | |
3387 | * ipr_store_diagnostics - IOA Diagnostics interface | |
ee959b00 TJ |
3388 | * @dev: device struct |
3389 | * @buf: buffer | |
3390 | * @count: buffer size | |
1da177e4 LT |
3391 | * |
3392 | * This function will reset the adapter and wait a reasonable | |
3393 | * amount of time for any errors that the adapter might log. | |
3394 | * | |
3395 | * Return value: | |
3396 | * count on success / other on failure | |
3397 | **/ | |
ee959b00 TJ |
3398 | static ssize_t ipr_store_diagnostics(struct device *dev, |
3399 | struct device_attribute *attr, | |
1da177e4 LT |
3400 | const char *buf, size_t count) |
3401 | { | |
ee959b00 | 3402 | struct Scsi_Host *shost = class_to_shost(dev); |
1da177e4 LT |
3403 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
3404 | unsigned long lock_flags = 0; | |
3405 | int rc = count; | |
3406 | ||
3407 | if (!capable(CAP_SYS_ADMIN)) | |
3408 | return -EACCES; | |
3409 | ||
1da177e4 | 3410 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); |
203fa3fe | 3411 | while (ioa_cfg->in_reset_reload) { |
970ea294 BK |
3412 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
3413 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
3414 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3415 | } | |
3416 | ||
1da177e4 LT |
3417 | ioa_cfg->errors_logged = 0; |
3418 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NORMAL); | |
3419 | ||
3420 | if (ioa_cfg->in_reset_reload) { | |
3421 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3422 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
3423 | ||
3424 | /* Wait for a second for any errors to be logged */ | |
3425 | msleep(1000); | |
3426 | } else { | |
3427 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3428 | return -EIO; | |
3429 | } | |
3430 | ||
3431 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3432 | if (ioa_cfg->in_reset_reload || ioa_cfg->errors_logged) | |
3433 | rc = -EIO; | |
3434 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3435 | ||
3436 | return rc; | |
3437 | } | |
3438 | ||
ee959b00 | 3439 | static struct device_attribute ipr_diagnostics_attr = { |
1da177e4 LT |
3440 | .attr = { |
3441 | .name = "run_diagnostics", | |
3442 | .mode = S_IWUSR, | |
3443 | }, | |
3444 | .store = ipr_store_diagnostics | |
3445 | }; | |
3446 | ||
f37eb54b BK |
3447 | /** |
3448 | * ipr_show_adapter_state - Show the adapter's state | |
ee959b00 TJ |
3449 | * @class_dev: device struct |
3450 | * @buf: buffer | |
f37eb54b BK |
3451 | * |
3452 | * Return value: | |
3453 | * number of bytes printed to buffer | |
3454 | **/ | |
ee959b00 TJ |
3455 | static ssize_t ipr_show_adapter_state(struct device *dev, |
3456 | struct device_attribute *attr, char *buf) | |
f37eb54b | 3457 | { |
ee959b00 | 3458 | struct Scsi_Host *shost = class_to_shost(dev); |
f37eb54b BK |
3459 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
3460 | unsigned long lock_flags = 0; | |
3461 | int len; | |
3462 | ||
3463 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
56d6aa33 | 3464 | if (ioa_cfg->hrrq[IPR_INIT_HRRQ].ioa_is_dead) |
f37eb54b BK |
3465 | len = snprintf(buf, PAGE_SIZE, "offline\n"); |
3466 | else | |
3467 | len = snprintf(buf, PAGE_SIZE, "online\n"); | |
3468 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3469 | return len; | |
3470 | } | |
3471 | ||
3472 | /** | |
3473 | * ipr_store_adapter_state - Change adapter state | |
ee959b00 TJ |
3474 | * @dev: device struct |
3475 | * @buf: buffer | |
3476 | * @count: buffer size | |
f37eb54b BK |
3477 | * |
3478 | * This function will change the adapter's state. | |
3479 | * | |
3480 | * Return value: | |
3481 | * count on success / other on failure | |
3482 | **/ | |
ee959b00 TJ |
3483 | static ssize_t ipr_store_adapter_state(struct device *dev, |
3484 | struct device_attribute *attr, | |
f37eb54b BK |
3485 | const char *buf, size_t count) |
3486 | { | |
ee959b00 | 3487 | struct Scsi_Host *shost = class_to_shost(dev); |
f37eb54b BK |
3488 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
3489 | unsigned long lock_flags; | |
56d6aa33 | 3490 | int result = count, i; |
f37eb54b BK |
3491 | |
3492 | if (!capable(CAP_SYS_ADMIN)) | |
3493 | return -EACCES; | |
3494 | ||
3495 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
56d6aa33 | 3496 | if (ioa_cfg->hrrq[IPR_INIT_HRRQ].ioa_is_dead && |
3497 | !strncmp(buf, "online", 6)) { | |
3498 | for (i = 0; i < ioa_cfg->hrrq_num; i++) { | |
3499 | spin_lock(&ioa_cfg->hrrq[i]._lock); | |
3500 | ioa_cfg->hrrq[i].ioa_is_dead = 0; | |
3501 | spin_unlock(&ioa_cfg->hrrq[i]._lock); | |
3502 | } | |
3503 | wmb(); | |
f37eb54b BK |
3504 | ioa_cfg->reset_retries = 0; |
3505 | ioa_cfg->in_ioa_bringdown = 0; | |
3506 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); | |
3507 | } | |
3508 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3509 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
3510 | ||
3511 | return result; | |
3512 | } | |
3513 | ||
ee959b00 | 3514 | static struct device_attribute ipr_ioa_state_attr = { |
f37eb54b | 3515 | .attr = { |
49dd0961 | 3516 | .name = "online_state", |
f37eb54b BK |
3517 | .mode = S_IRUGO | S_IWUSR, |
3518 | }, | |
3519 | .show = ipr_show_adapter_state, | |
3520 | .store = ipr_store_adapter_state | |
3521 | }; | |
3522 | ||
1da177e4 LT |
3523 | /** |
3524 | * ipr_store_reset_adapter - Reset the adapter | |
ee959b00 TJ |
3525 | * @dev: device struct |
3526 | * @buf: buffer | |
3527 | * @count: buffer size | |
1da177e4 LT |
3528 | * |
3529 | * This function will reset the adapter. | |
3530 | * | |
3531 | * Return value: | |
3532 | * count on success / other on failure | |
3533 | **/ | |
ee959b00 TJ |
3534 | static ssize_t ipr_store_reset_adapter(struct device *dev, |
3535 | struct device_attribute *attr, | |
1da177e4 LT |
3536 | const char *buf, size_t count) |
3537 | { | |
ee959b00 | 3538 | struct Scsi_Host *shost = class_to_shost(dev); |
1da177e4 LT |
3539 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
3540 | unsigned long lock_flags; | |
3541 | int result = count; | |
3542 | ||
3543 | if (!capable(CAP_SYS_ADMIN)) | |
3544 | return -EACCES; | |
3545 | ||
3546 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3547 | if (!ioa_cfg->in_reset_reload) | |
3548 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NORMAL); | |
3549 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3550 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
3551 | ||
3552 | return result; | |
3553 | } | |
3554 | ||
ee959b00 | 3555 | static struct device_attribute ipr_ioa_reset_attr = { |
1da177e4 LT |
3556 | .attr = { |
3557 | .name = "reset_host", | |
3558 | .mode = S_IWUSR, | |
3559 | }, | |
3560 | .store = ipr_store_reset_adapter | |
3561 | }; | |
3562 | ||
3563 | /** | |
3564 | * ipr_alloc_ucode_buffer - Allocates a microcode download buffer | |
3565 | * @buf_len: buffer length | |
3566 | * | |
3567 | * Allocates a DMA'able buffer in chunks and assembles a scatter/gather | |
3568 | * list to use for microcode download | |
3569 | * | |
3570 | * Return value: | |
3571 | * pointer to sglist / NULL on failure | |
3572 | **/ | |
3573 | static struct ipr_sglist *ipr_alloc_ucode_buffer(int buf_len) | |
3574 | { | |
3575 | int sg_size, order, bsize_elem, num_elem, i, j; | |
3576 | struct ipr_sglist *sglist; | |
3577 | struct scatterlist *scatterlist; | |
3578 | struct page *page; | |
3579 | ||
3580 | /* Get the minimum size per scatter/gather element */ | |
3581 | sg_size = buf_len / (IPR_MAX_SGLIST - 1); | |
3582 | ||
3583 | /* Get the actual size per element */ | |
3584 | order = get_order(sg_size); | |
3585 | ||
3586 | /* Determine the actual number of bytes per element */ | |
3587 | bsize_elem = PAGE_SIZE * (1 << order); | |
3588 | ||
3589 | /* Determine the actual number of sg entries needed */ | |
3590 | if (buf_len % bsize_elem) | |
3591 | num_elem = (buf_len / bsize_elem) + 1; | |
3592 | else | |
3593 | num_elem = buf_len / bsize_elem; | |
3594 | ||
3595 | /* Allocate a scatter/gather list for the DMA */ | |
0bc42e35 | 3596 | sglist = kzalloc(sizeof(struct ipr_sglist) + |
1da177e4 LT |
3597 | (sizeof(struct scatterlist) * (num_elem - 1)), |
3598 | GFP_KERNEL); | |
3599 | ||
3600 | if (sglist == NULL) { | |
3601 | ipr_trace; | |
3602 | return NULL; | |
3603 | } | |
3604 | ||
1da177e4 | 3605 | scatterlist = sglist->scatterlist; |
45711f1a | 3606 | sg_init_table(scatterlist, num_elem); |
1da177e4 LT |
3607 | |
3608 | sglist->order = order; | |
3609 | sglist->num_sg = num_elem; | |
3610 | ||
3611 | /* Allocate a bunch of sg elements */ | |
3612 | for (i = 0; i < num_elem; i++) { | |
3613 | page = alloc_pages(GFP_KERNEL, order); | |
3614 | if (!page) { | |
3615 | ipr_trace; | |
3616 | ||
3617 | /* Free up what we already allocated */ | |
3618 | for (j = i - 1; j >= 0; j--) | |
45711f1a | 3619 | __free_pages(sg_page(&scatterlist[j]), order); |
1da177e4 LT |
3620 | kfree(sglist); |
3621 | return NULL; | |
3622 | } | |
3623 | ||
642f1490 | 3624 | sg_set_page(&scatterlist[i], page, 0, 0); |
1da177e4 LT |
3625 | } |
3626 | ||
3627 | return sglist; | |
3628 | } | |
3629 | ||
3630 | /** | |
3631 | * ipr_free_ucode_buffer - Frees a microcode download buffer | |
3632 | * @p_dnld: scatter/gather list pointer | |
3633 | * | |
3634 | * Free a DMA'able ucode download buffer previously allocated with | |
3635 | * ipr_alloc_ucode_buffer | |
3636 | * | |
3637 | * Return value: | |
3638 | * nothing | |
3639 | **/ | |
3640 | static void ipr_free_ucode_buffer(struct ipr_sglist *sglist) | |
3641 | { | |
3642 | int i; | |
3643 | ||
3644 | for (i = 0; i < sglist->num_sg; i++) | |
45711f1a | 3645 | __free_pages(sg_page(&sglist->scatterlist[i]), sglist->order); |
1da177e4 LT |
3646 | |
3647 | kfree(sglist); | |
3648 | } | |
3649 | ||
3650 | /** | |
3651 | * ipr_copy_ucode_buffer - Copy user buffer to kernel buffer | |
3652 | * @sglist: scatter/gather list pointer | |
3653 | * @buffer: buffer pointer | |
3654 | * @len: buffer length | |
3655 | * | |
3656 | * Copy a microcode image from a user buffer into a buffer allocated by | |
3657 | * ipr_alloc_ucode_buffer | |
3658 | * | |
3659 | * Return value: | |
3660 | * 0 on success / other on failure | |
3661 | **/ | |
3662 | static int ipr_copy_ucode_buffer(struct ipr_sglist *sglist, | |
3663 | u8 *buffer, u32 len) | |
3664 | { | |
3665 | int bsize_elem, i, result = 0; | |
3666 | struct scatterlist *scatterlist; | |
3667 | void *kaddr; | |
3668 | ||
3669 | /* Determine the actual number of bytes per element */ | |
3670 | bsize_elem = PAGE_SIZE * (1 << sglist->order); | |
3671 | ||
3672 | scatterlist = sglist->scatterlist; | |
3673 | ||
3674 | for (i = 0; i < (len / bsize_elem); i++, buffer += bsize_elem) { | |
45711f1a JA |
3675 | struct page *page = sg_page(&scatterlist[i]); |
3676 | ||
3677 | kaddr = kmap(page); | |
1da177e4 | 3678 | memcpy(kaddr, buffer, bsize_elem); |
45711f1a | 3679 | kunmap(page); |
1da177e4 LT |
3680 | |
3681 | scatterlist[i].length = bsize_elem; | |
3682 | ||
3683 | if (result != 0) { | |
3684 | ipr_trace; | |
3685 | return result; | |
3686 | } | |
3687 | } | |
3688 | ||
3689 | if (len % bsize_elem) { | |
45711f1a JA |
3690 | struct page *page = sg_page(&scatterlist[i]); |
3691 | ||
3692 | kaddr = kmap(page); | |
1da177e4 | 3693 | memcpy(kaddr, buffer, len % bsize_elem); |
45711f1a | 3694 | kunmap(page); |
1da177e4 LT |
3695 | |
3696 | scatterlist[i].length = len % bsize_elem; | |
3697 | } | |
3698 | ||
3699 | sglist->buffer_len = len; | |
3700 | return result; | |
3701 | } | |
3702 | ||
a32c055f WB |
3703 | /** |
3704 | * ipr_build_ucode_ioadl64 - Build a microcode download IOADL | |
3705 | * @ipr_cmd: ipr command struct | |
3706 | * @sglist: scatter/gather list | |
3707 | * | |
3708 | * Builds a microcode download IOA data list (IOADL). | |
3709 | * | |
3710 | **/ | |
3711 | static void ipr_build_ucode_ioadl64(struct ipr_cmnd *ipr_cmd, | |
3712 | struct ipr_sglist *sglist) | |
3713 | { | |
3714 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
3715 | struct ipr_ioadl64_desc *ioadl64 = ipr_cmd->i.ioadl64; | |
3716 | struct scatterlist *scatterlist = sglist->scatterlist; | |
3717 | int i; | |
3718 | ||
3719 | ipr_cmd->dma_use_sg = sglist->num_dma_sg; | |
3720 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ; | |
3721 | ioarcb->data_transfer_length = cpu_to_be32(sglist->buffer_len); | |
3722 | ||
3723 | ioarcb->ioadl_len = | |
3724 | cpu_to_be32(sizeof(struct ipr_ioadl64_desc) * ipr_cmd->dma_use_sg); | |
3725 | for (i = 0; i < ipr_cmd->dma_use_sg; i++) { | |
3726 | ioadl64[i].flags = cpu_to_be32(IPR_IOADL_FLAGS_WRITE); | |
3727 | ioadl64[i].data_len = cpu_to_be32(sg_dma_len(&scatterlist[i])); | |
3728 | ioadl64[i].address = cpu_to_be64(sg_dma_address(&scatterlist[i])); | |
3729 | } | |
3730 | ||
3731 | ioadl64[i-1].flags |= cpu_to_be32(IPR_IOADL_FLAGS_LAST); | |
3732 | } | |
3733 | ||
1da177e4 | 3734 | /** |
12baa420 | 3735 | * ipr_build_ucode_ioadl - Build a microcode download IOADL |
1da177e4 LT |
3736 | * @ipr_cmd: ipr command struct |
3737 | * @sglist: scatter/gather list | |
1da177e4 | 3738 | * |
12baa420 | 3739 | * Builds a microcode download IOA data list (IOADL). |
1da177e4 | 3740 | * |
1da177e4 | 3741 | **/ |
12baa420 BK |
3742 | static void ipr_build_ucode_ioadl(struct ipr_cmnd *ipr_cmd, |
3743 | struct ipr_sglist *sglist) | |
1da177e4 | 3744 | { |
1da177e4 | 3745 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; |
a32c055f | 3746 | struct ipr_ioadl_desc *ioadl = ipr_cmd->i.ioadl; |
1da177e4 LT |
3747 | struct scatterlist *scatterlist = sglist->scatterlist; |
3748 | int i; | |
3749 | ||
12baa420 | 3750 | ipr_cmd->dma_use_sg = sglist->num_dma_sg; |
1da177e4 | 3751 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ; |
a32c055f WB |
3752 | ioarcb->data_transfer_length = cpu_to_be32(sglist->buffer_len); |
3753 | ||
3754 | ioarcb->ioadl_len = | |
1da177e4 LT |
3755 | cpu_to_be32(sizeof(struct ipr_ioadl_desc) * ipr_cmd->dma_use_sg); |
3756 | ||
3757 | for (i = 0; i < ipr_cmd->dma_use_sg; i++) { | |
3758 | ioadl[i].flags_and_data_len = | |
3759 | cpu_to_be32(IPR_IOADL_FLAGS_WRITE | sg_dma_len(&scatterlist[i])); | |
3760 | ioadl[i].address = | |
3761 | cpu_to_be32(sg_dma_address(&scatterlist[i])); | |
3762 | } | |
3763 | ||
12baa420 BK |
3764 | ioadl[i-1].flags_and_data_len |= |
3765 | cpu_to_be32(IPR_IOADL_FLAGS_LAST); | |
3766 | } | |
3767 | ||
3768 | /** | |
3769 | * ipr_update_ioa_ucode - Update IOA's microcode | |
3770 | * @ioa_cfg: ioa config struct | |
3771 | * @sglist: scatter/gather list | |
3772 | * | |
3773 | * Initiate an adapter reset to update the IOA's microcode | |
3774 | * | |
3775 | * Return value: | |
3776 | * 0 on success / -EIO on failure | |
3777 | **/ | |
3778 | static int ipr_update_ioa_ucode(struct ipr_ioa_cfg *ioa_cfg, | |
3779 | struct ipr_sglist *sglist) | |
3780 | { | |
3781 | unsigned long lock_flags; | |
3782 | ||
3783 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
203fa3fe | 3784 | while (ioa_cfg->in_reset_reload) { |
970ea294 BK |
3785 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
3786 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
3787 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3788 | } | |
12baa420 BK |
3789 | |
3790 | if (ioa_cfg->ucode_sglist) { | |
3791 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3792 | dev_err(&ioa_cfg->pdev->dev, | |
3793 | "Microcode download already in progress\n"); | |
3794 | return -EIO; | |
1da177e4 | 3795 | } |
12baa420 BK |
3796 | |
3797 | sglist->num_dma_sg = pci_map_sg(ioa_cfg->pdev, sglist->scatterlist, | |
3798 | sglist->num_sg, DMA_TO_DEVICE); | |
3799 | ||
3800 | if (!sglist->num_dma_sg) { | |
3801 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3802 | dev_err(&ioa_cfg->pdev->dev, | |
3803 | "Failed to map microcode download buffer!\n"); | |
1da177e4 LT |
3804 | return -EIO; |
3805 | } | |
3806 | ||
12baa420 BK |
3807 | ioa_cfg->ucode_sglist = sglist; |
3808 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NORMAL); | |
3809 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3810 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
3811 | ||
3812 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3813 | ioa_cfg->ucode_sglist = NULL; | |
3814 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
1da177e4 LT |
3815 | return 0; |
3816 | } | |
3817 | ||
3818 | /** | |
3819 | * ipr_store_update_fw - Update the firmware on the adapter | |
ee959b00 TJ |
3820 | * @class_dev: device struct |
3821 | * @buf: buffer | |
3822 | * @count: buffer size | |
1da177e4 LT |
3823 | * |
3824 | * This function will update the firmware on the adapter. | |
3825 | * | |
3826 | * Return value: | |
3827 | * count on success / other on failure | |
3828 | **/ | |
ee959b00 TJ |
3829 | static ssize_t ipr_store_update_fw(struct device *dev, |
3830 | struct device_attribute *attr, | |
3831 | const char *buf, size_t count) | |
1da177e4 | 3832 | { |
ee959b00 | 3833 | struct Scsi_Host *shost = class_to_shost(dev); |
1da177e4 LT |
3834 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
3835 | struct ipr_ucode_image_header *image_hdr; | |
3836 | const struct firmware *fw_entry; | |
3837 | struct ipr_sglist *sglist; | |
1da177e4 LT |
3838 | char fname[100]; |
3839 | char *src; | |
3840 | int len, result, dnld_size; | |
3841 | ||
3842 | if (!capable(CAP_SYS_ADMIN)) | |
3843 | return -EACCES; | |
3844 | ||
3845 | len = snprintf(fname, 99, "%s", buf); | |
3846 | fname[len-1] = '\0'; | |
3847 | ||
203fa3fe | 3848 | if (request_firmware(&fw_entry, fname, &ioa_cfg->pdev->dev)) { |
1da177e4 LT |
3849 | dev_err(&ioa_cfg->pdev->dev, "Firmware file %s not found\n", fname); |
3850 | return -EIO; | |
3851 | } | |
3852 | ||
3853 | image_hdr = (struct ipr_ucode_image_header *)fw_entry->data; | |
3854 | ||
1da177e4 LT |
3855 | src = (u8 *)image_hdr + be32_to_cpu(image_hdr->header_length); |
3856 | dnld_size = fw_entry->size - be32_to_cpu(image_hdr->header_length); | |
3857 | sglist = ipr_alloc_ucode_buffer(dnld_size); | |
3858 | ||
3859 | if (!sglist) { | |
3860 | dev_err(&ioa_cfg->pdev->dev, "Microcode buffer allocation failed\n"); | |
3861 | release_firmware(fw_entry); | |
3862 | return -ENOMEM; | |
3863 | } | |
3864 | ||
3865 | result = ipr_copy_ucode_buffer(sglist, src, dnld_size); | |
3866 | ||
3867 | if (result) { | |
3868 | dev_err(&ioa_cfg->pdev->dev, | |
3869 | "Microcode buffer copy to DMA buffer failed\n"); | |
12baa420 | 3870 | goto out; |
1da177e4 LT |
3871 | } |
3872 | ||
14ed9cc7 WB |
3873 | ipr_info("Updating microcode, please be patient. This may take up to 30 minutes.\n"); |
3874 | ||
12baa420 | 3875 | result = ipr_update_ioa_ucode(ioa_cfg, sglist); |
1da177e4 | 3876 | |
12baa420 BK |
3877 | if (!result) |
3878 | result = count; | |
3879 | out: | |
1da177e4 LT |
3880 | ipr_free_ucode_buffer(sglist); |
3881 | release_firmware(fw_entry); | |
12baa420 | 3882 | return result; |
1da177e4 LT |
3883 | } |
3884 | ||
ee959b00 | 3885 | static struct device_attribute ipr_update_fw_attr = { |
1da177e4 LT |
3886 | .attr = { |
3887 | .name = "update_fw", | |
3888 | .mode = S_IWUSR, | |
3889 | }, | |
3890 | .store = ipr_store_update_fw | |
3891 | }; | |
3892 | ||
75576bb9 WB |
3893 | /** |
3894 | * ipr_show_fw_type - Show the adapter's firmware type. | |
3895 | * @dev: class device struct | |
3896 | * @buf: buffer | |
3897 | * | |
3898 | * Return value: | |
3899 | * number of bytes printed to buffer | |
3900 | **/ | |
3901 | static ssize_t ipr_show_fw_type(struct device *dev, | |
3902 | struct device_attribute *attr, char *buf) | |
3903 | { | |
3904 | struct Scsi_Host *shost = class_to_shost(dev); | |
3905 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; | |
3906 | unsigned long lock_flags = 0; | |
3907 | int len; | |
3908 | ||
3909 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3910 | len = snprintf(buf, PAGE_SIZE, "%d\n", ioa_cfg->sis64); | |
3911 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3912 | return len; | |
3913 | } | |
3914 | ||
3915 | static struct device_attribute ipr_ioa_fw_type_attr = { | |
3916 | .attr = { | |
3917 | .name = "fw_type", | |
3918 | .mode = S_IRUGO, | |
3919 | }, | |
3920 | .show = ipr_show_fw_type | |
3921 | }; | |
3922 | ||
ee959b00 | 3923 | static struct device_attribute *ipr_ioa_attrs[] = { |
1da177e4 LT |
3924 | &ipr_fw_version_attr, |
3925 | &ipr_log_level_attr, | |
3926 | &ipr_diagnostics_attr, | |
f37eb54b | 3927 | &ipr_ioa_state_attr, |
1da177e4 LT |
3928 | &ipr_ioa_reset_attr, |
3929 | &ipr_update_fw_attr, | |
75576bb9 | 3930 | &ipr_ioa_fw_type_attr, |
1da177e4 LT |
3931 | NULL, |
3932 | }; | |
3933 | ||
3934 | #ifdef CONFIG_SCSI_IPR_DUMP | |
3935 | /** | |
3936 | * ipr_read_dump - Dump the adapter | |
2c3c8bea | 3937 | * @filp: open sysfs file |
1da177e4 | 3938 | * @kobj: kobject struct |
91a69029 | 3939 | * @bin_attr: bin_attribute struct |
1da177e4 LT |
3940 | * @buf: buffer |
3941 | * @off: offset | |
3942 | * @count: buffer size | |
3943 | * | |
3944 | * Return value: | |
3945 | * number of bytes printed to buffer | |
3946 | **/ | |
2c3c8bea | 3947 | static ssize_t ipr_read_dump(struct file *filp, struct kobject *kobj, |
91a69029 ZR |
3948 | struct bin_attribute *bin_attr, |
3949 | char *buf, loff_t off, size_t count) | |
1da177e4 | 3950 | { |
ee959b00 | 3951 | struct device *cdev = container_of(kobj, struct device, kobj); |
1da177e4 LT |
3952 | struct Scsi_Host *shost = class_to_shost(cdev); |
3953 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; | |
3954 | struct ipr_dump *dump; | |
3955 | unsigned long lock_flags = 0; | |
3956 | char *src; | |
4d4dd706 | 3957 | int len, sdt_end; |
1da177e4 LT |
3958 | size_t rc = count; |
3959 | ||
3960 | if (!capable(CAP_SYS_ADMIN)) | |
3961 | return -EACCES; | |
3962 | ||
3963 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3964 | dump = ioa_cfg->dump; | |
3965 | ||
3966 | if (ioa_cfg->sdt_state != DUMP_OBTAINED || !dump) { | |
3967 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3968 | return 0; | |
3969 | } | |
3970 | kref_get(&dump->kref); | |
3971 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3972 | ||
3973 | if (off > dump->driver_dump.hdr.len) { | |
3974 | kref_put(&dump->kref, ipr_release_dump); | |
3975 | return 0; | |
3976 | } | |
3977 | ||
3978 | if (off + count > dump->driver_dump.hdr.len) { | |
3979 | count = dump->driver_dump.hdr.len - off; | |
3980 | rc = count; | |
3981 | } | |
3982 | ||
3983 | if (count && off < sizeof(dump->driver_dump)) { | |
3984 | if (off + count > sizeof(dump->driver_dump)) | |
3985 | len = sizeof(dump->driver_dump) - off; | |
3986 | else | |
3987 | len = count; | |
3988 | src = (u8 *)&dump->driver_dump + off; | |
3989 | memcpy(buf, src, len); | |
3990 | buf += len; | |
3991 | off += len; | |
3992 | count -= len; | |
3993 | } | |
3994 | ||
3995 | off -= sizeof(dump->driver_dump); | |
3996 | ||
4d4dd706 KSS |
3997 | if (ioa_cfg->sis64) |
3998 | sdt_end = offsetof(struct ipr_ioa_dump, sdt.entry) + | |
3999 | (be32_to_cpu(dump->ioa_dump.sdt.hdr.num_entries_used) * | |
4000 | sizeof(struct ipr_sdt_entry)); | |
4001 | else | |
4002 | sdt_end = offsetof(struct ipr_ioa_dump, sdt.entry) + | |
4003 | (IPR_FMT2_NUM_SDT_ENTRIES * sizeof(struct ipr_sdt_entry)); | |
4004 | ||
4005 | if (count && off < sdt_end) { | |
4006 | if (off + count > sdt_end) | |
4007 | len = sdt_end - off; | |
1da177e4 LT |
4008 | else |
4009 | len = count; | |
4010 | src = (u8 *)&dump->ioa_dump + off; | |
4011 | memcpy(buf, src, len); | |
4012 | buf += len; | |
4013 | off += len; | |
4014 | count -= len; | |
4015 | } | |
4016 | ||
4d4dd706 | 4017 | off -= sdt_end; |
1da177e4 LT |
4018 | |
4019 | while (count) { | |
4020 | if ((off & PAGE_MASK) != ((off + count) & PAGE_MASK)) | |
4021 | len = PAGE_ALIGN(off) - off; | |
4022 | else | |
4023 | len = count; | |
4024 | src = (u8 *)dump->ioa_dump.ioa_data[(off & PAGE_MASK) >> PAGE_SHIFT]; | |
4025 | src += off & ~PAGE_MASK; | |
4026 | memcpy(buf, src, len); | |
4027 | buf += len; | |
4028 | off += len; | |
4029 | count -= len; | |
4030 | } | |
4031 | ||
4032 | kref_put(&dump->kref, ipr_release_dump); | |
4033 | return rc; | |
4034 | } | |
4035 | ||
4036 | /** | |
4037 | * ipr_alloc_dump - Prepare for adapter dump | |
4038 | * @ioa_cfg: ioa config struct | |
4039 | * | |
4040 | * Return value: | |
4041 | * 0 on success / other on failure | |
4042 | **/ | |
4043 | static int ipr_alloc_dump(struct ipr_ioa_cfg *ioa_cfg) | |
4044 | { | |
4045 | struct ipr_dump *dump; | |
4d4dd706 | 4046 | __be32 **ioa_data; |
1da177e4 LT |
4047 | unsigned long lock_flags = 0; |
4048 | ||
0bc42e35 | 4049 | dump = kzalloc(sizeof(struct ipr_dump), GFP_KERNEL); |
1da177e4 LT |
4050 | |
4051 | if (!dump) { | |
4052 | ipr_err("Dump memory allocation failed\n"); | |
4053 | return -ENOMEM; | |
4054 | } | |
4055 | ||
4d4dd706 KSS |
4056 | if (ioa_cfg->sis64) |
4057 | ioa_data = vmalloc(IPR_FMT3_MAX_NUM_DUMP_PAGES * sizeof(__be32 *)); | |
4058 | else | |
4059 | ioa_data = vmalloc(IPR_FMT2_MAX_NUM_DUMP_PAGES * sizeof(__be32 *)); | |
4060 | ||
4061 | if (!ioa_data) { | |
4062 | ipr_err("Dump memory allocation failed\n"); | |
4063 | kfree(dump); | |
4064 | return -ENOMEM; | |
4065 | } | |
4066 | ||
4067 | dump->ioa_dump.ioa_data = ioa_data; | |
4068 | ||
1da177e4 LT |
4069 | kref_init(&dump->kref); |
4070 | dump->ioa_cfg = ioa_cfg; | |
4071 | ||
4072 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4073 | ||
4074 | if (INACTIVE != ioa_cfg->sdt_state) { | |
4075 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4d4dd706 | 4076 | vfree(dump->ioa_dump.ioa_data); |
1da177e4 LT |
4077 | kfree(dump); |
4078 | return 0; | |
4079 | } | |
4080 | ||
4081 | ioa_cfg->dump = dump; | |
4082 | ioa_cfg->sdt_state = WAIT_FOR_DUMP; | |
56d6aa33 | 4083 | if (ioa_cfg->hrrq[IPR_INIT_HRRQ].ioa_is_dead && !ioa_cfg->dump_taken) { |
1da177e4 LT |
4084 | ioa_cfg->dump_taken = 1; |
4085 | schedule_work(&ioa_cfg->work_q); | |
4086 | } | |
4087 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4088 | ||
1da177e4 LT |
4089 | return 0; |
4090 | } | |
4091 | ||
4092 | /** | |
4093 | * ipr_free_dump - Free adapter dump memory | |
4094 | * @ioa_cfg: ioa config struct | |
4095 | * | |
4096 | * Return value: | |
4097 | * 0 on success / other on failure | |
4098 | **/ | |
4099 | static int ipr_free_dump(struct ipr_ioa_cfg *ioa_cfg) | |
4100 | { | |
4101 | struct ipr_dump *dump; | |
4102 | unsigned long lock_flags = 0; | |
4103 | ||
4104 | ENTER; | |
4105 | ||
4106 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4107 | dump = ioa_cfg->dump; | |
4108 | if (!dump) { | |
4109 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4110 | return 0; | |
4111 | } | |
4112 | ||
4113 | ioa_cfg->dump = NULL; | |
4114 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4115 | ||
4116 | kref_put(&dump->kref, ipr_release_dump); | |
4117 | ||
4118 | LEAVE; | |
4119 | return 0; | |
4120 | } | |
4121 | ||
4122 | /** | |
4123 | * ipr_write_dump - Setup dump state of adapter | |
2c3c8bea | 4124 | * @filp: open sysfs file |
1da177e4 | 4125 | * @kobj: kobject struct |
91a69029 | 4126 | * @bin_attr: bin_attribute struct |
1da177e4 LT |
4127 | * @buf: buffer |
4128 | * @off: offset | |
4129 | * @count: buffer size | |
4130 | * | |
4131 | * Return value: | |
4132 | * number of bytes printed to buffer | |
4133 | **/ | |
2c3c8bea | 4134 | static ssize_t ipr_write_dump(struct file *filp, struct kobject *kobj, |
91a69029 ZR |
4135 | struct bin_attribute *bin_attr, |
4136 | char *buf, loff_t off, size_t count) | |
1da177e4 | 4137 | { |
ee959b00 | 4138 | struct device *cdev = container_of(kobj, struct device, kobj); |
1da177e4 LT |
4139 | struct Scsi_Host *shost = class_to_shost(cdev); |
4140 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; | |
4141 | int rc; | |
4142 | ||
4143 | if (!capable(CAP_SYS_ADMIN)) | |
4144 | return -EACCES; | |
4145 | ||
4146 | if (buf[0] == '1') | |
4147 | rc = ipr_alloc_dump(ioa_cfg); | |
4148 | else if (buf[0] == '0') | |
4149 | rc = ipr_free_dump(ioa_cfg); | |
4150 | else | |
4151 | return -EINVAL; | |
4152 | ||
4153 | if (rc) | |
4154 | return rc; | |
4155 | else | |
4156 | return count; | |
4157 | } | |
4158 | ||
4159 | static struct bin_attribute ipr_dump_attr = { | |
4160 | .attr = { | |
4161 | .name = "dump", | |
4162 | .mode = S_IRUSR | S_IWUSR, | |
4163 | }, | |
4164 | .size = 0, | |
4165 | .read = ipr_read_dump, | |
4166 | .write = ipr_write_dump | |
4167 | }; | |
4168 | #else | |
4169 | static int ipr_free_dump(struct ipr_ioa_cfg *ioa_cfg) { return 0; }; | |
4170 | #endif | |
4171 | ||
4172 | /** | |
4173 | * ipr_change_queue_depth - Change the device's queue depth | |
4174 | * @sdev: scsi device struct | |
4175 | * @qdepth: depth to set | |
e881a172 | 4176 | * @reason: calling context |
1da177e4 LT |
4177 | * |
4178 | * Return value: | |
4179 | * actual depth set | |
4180 | **/ | |
e881a172 MC |
4181 | static int ipr_change_queue_depth(struct scsi_device *sdev, int qdepth, |
4182 | int reason) | |
1da177e4 | 4183 | { |
35a39691 BK |
4184 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)sdev->host->hostdata; |
4185 | struct ipr_resource_entry *res; | |
4186 | unsigned long lock_flags = 0; | |
4187 | ||
e881a172 MC |
4188 | if (reason != SCSI_QDEPTH_DEFAULT) |
4189 | return -EOPNOTSUPP; | |
4190 | ||
35a39691 BK |
4191 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); |
4192 | res = (struct ipr_resource_entry *)sdev->hostdata; | |
4193 | ||
4194 | if (res && ipr_is_gata(res) && qdepth > IPR_MAX_CMD_PER_ATA_LUN) | |
4195 | qdepth = IPR_MAX_CMD_PER_ATA_LUN; | |
4196 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4197 | ||
1da177e4 LT |
4198 | scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth); |
4199 | return sdev->queue_depth; | |
4200 | } | |
4201 | ||
4202 | /** | |
4203 | * ipr_change_queue_type - Change the device's queue type | |
4204 | * @dsev: scsi device struct | |
4205 | * @tag_type: type of tags to use | |
4206 | * | |
4207 | * Return value: | |
4208 | * actual queue type set | |
4209 | **/ | |
4210 | static int ipr_change_queue_type(struct scsi_device *sdev, int tag_type) | |
4211 | { | |
4212 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)sdev->host->hostdata; | |
4213 | struct ipr_resource_entry *res; | |
4214 | unsigned long lock_flags = 0; | |
4215 | ||
4216 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4217 | res = (struct ipr_resource_entry *)sdev->hostdata; | |
4218 | ||
4219 | if (res) { | |
4220 | if (ipr_is_gscsi(res) && sdev->tagged_supported) { | |
4221 | /* | |
4222 | * We don't bother quiescing the device here since the | |
4223 | * adapter firmware does it for us. | |
4224 | */ | |
4225 | scsi_set_tag_type(sdev, tag_type); | |
4226 | ||
4227 | if (tag_type) | |
4228 | scsi_activate_tcq(sdev, sdev->queue_depth); | |
4229 | else | |
4230 | scsi_deactivate_tcq(sdev, sdev->queue_depth); | |
4231 | } else | |
4232 | tag_type = 0; | |
4233 | } else | |
4234 | tag_type = 0; | |
4235 | ||
4236 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4237 | return tag_type; | |
4238 | } | |
4239 | ||
4240 | /** | |
4241 | * ipr_show_adapter_handle - Show the adapter's resource handle for this device | |
4242 | * @dev: device struct | |
46d74563 | 4243 | * @attr: device attribute structure |
1da177e4 LT |
4244 | * @buf: buffer |
4245 | * | |
4246 | * Return value: | |
4247 | * number of bytes printed to buffer | |
4248 | **/ | |
10523b3b | 4249 | static ssize_t ipr_show_adapter_handle(struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 LT |
4250 | { |
4251 | struct scsi_device *sdev = to_scsi_device(dev); | |
4252 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)sdev->host->hostdata; | |
4253 | struct ipr_resource_entry *res; | |
4254 | unsigned long lock_flags = 0; | |
4255 | ssize_t len = -ENXIO; | |
4256 | ||
4257 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4258 | res = (struct ipr_resource_entry *)sdev->hostdata; | |
4259 | if (res) | |
3e7ebdfa | 4260 | len = snprintf(buf, PAGE_SIZE, "%08X\n", res->res_handle); |
1da177e4 LT |
4261 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
4262 | return len; | |
4263 | } | |
4264 | ||
4265 | static struct device_attribute ipr_adapter_handle_attr = { | |
4266 | .attr = { | |
4267 | .name = "adapter_handle", | |
4268 | .mode = S_IRUSR, | |
4269 | }, | |
4270 | .show = ipr_show_adapter_handle | |
4271 | }; | |
4272 | ||
3e7ebdfa | 4273 | /** |
5adcbeb3 WB |
4274 | * ipr_show_resource_path - Show the resource path or the resource address for |
4275 | * this device. | |
3e7ebdfa | 4276 | * @dev: device struct |
46d74563 | 4277 | * @attr: device attribute structure |
3e7ebdfa WB |
4278 | * @buf: buffer |
4279 | * | |
4280 | * Return value: | |
4281 | * number of bytes printed to buffer | |
4282 | **/ | |
4283 | static ssize_t ipr_show_resource_path(struct device *dev, struct device_attribute *attr, char *buf) | |
4284 | { | |
4285 | struct scsi_device *sdev = to_scsi_device(dev); | |
4286 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)sdev->host->hostdata; | |
4287 | struct ipr_resource_entry *res; | |
4288 | unsigned long lock_flags = 0; | |
4289 | ssize_t len = -ENXIO; | |
4290 | char buffer[IPR_MAX_RES_PATH_LENGTH]; | |
4291 | ||
4292 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4293 | res = (struct ipr_resource_entry *)sdev->hostdata; | |
5adcbeb3 | 4294 | if (res && ioa_cfg->sis64) |
3e7ebdfa | 4295 | len = snprintf(buf, PAGE_SIZE, "%s\n", |
b3b3b407 BK |
4296 | __ipr_format_res_path(res->res_path, buffer, |
4297 | sizeof(buffer))); | |
5adcbeb3 WB |
4298 | else if (res) |
4299 | len = snprintf(buf, PAGE_SIZE, "%d:%d:%d:%d\n", ioa_cfg->host->host_no, | |
4300 | res->bus, res->target, res->lun); | |
4301 | ||
3e7ebdfa WB |
4302 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
4303 | return len; | |
4304 | } | |
4305 | ||
4306 | static struct device_attribute ipr_resource_path_attr = { | |
4307 | .attr = { | |
4308 | .name = "resource_path", | |
75576bb9 | 4309 | .mode = S_IRUGO, |
3e7ebdfa WB |
4310 | }, |
4311 | .show = ipr_show_resource_path | |
4312 | }; | |
4313 | ||
46d74563 WB |
4314 | /** |
4315 | * ipr_show_device_id - Show the device_id for this device. | |
4316 | * @dev: device struct | |
4317 | * @attr: device attribute structure | |
4318 | * @buf: buffer | |
4319 | * | |
4320 | * Return value: | |
4321 | * number of bytes printed to buffer | |
4322 | **/ | |
4323 | static ssize_t ipr_show_device_id(struct device *dev, struct device_attribute *attr, char *buf) | |
4324 | { | |
4325 | struct scsi_device *sdev = to_scsi_device(dev); | |
4326 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)sdev->host->hostdata; | |
4327 | struct ipr_resource_entry *res; | |
4328 | unsigned long lock_flags = 0; | |
4329 | ssize_t len = -ENXIO; | |
4330 | ||
4331 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4332 | res = (struct ipr_resource_entry *)sdev->hostdata; | |
4333 | if (res && ioa_cfg->sis64) | |
4334 | len = snprintf(buf, PAGE_SIZE, "0x%llx\n", res->dev_id); | |
4335 | else if (res) | |
4336 | len = snprintf(buf, PAGE_SIZE, "0x%llx\n", res->lun_wwn); | |
4337 | ||
4338 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4339 | return len; | |
4340 | } | |
4341 | ||
4342 | static struct device_attribute ipr_device_id_attr = { | |
4343 | .attr = { | |
4344 | .name = "device_id", | |
4345 | .mode = S_IRUGO, | |
4346 | }, | |
4347 | .show = ipr_show_device_id | |
4348 | }; | |
4349 | ||
75576bb9 WB |
4350 | /** |
4351 | * ipr_show_resource_type - Show the resource type for this device. | |
4352 | * @dev: device struct | |
46d74563 | 4353 | * @attr: device attribute structure |
75576bb9 WB |
4354 | * @buf: buffer |
4355 | * | |
4356 | * Return value: | |
4357 | * number of bytes printed to buffer | |
4358 | **/ | |
4359 | static ssize_t ipr_show_resource_type(struct device *dev, struct device_attribute *attr, char *buf) | |
4360 | { | |
4361 | struct scsi_device *sdev = to_scsi_device(dev); | |
4362 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)sdev->host->hostdata; | |
4363 | struct ipr_resource_entry *res; | |
4364 | unsigned long lock_flags = 0; | |
4365 | ssize_t len = -ENXIO; | |
4366 | ||
4367 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4368 | res = (struct ipr_resource_entry *)sdev->hostdata; | |
4369 | ||
4370 | if (res) | |
4371 | len = snprintf(buf, PAGE_SIZE, "%x\n", res->type); | |
4372 | ||
4373 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4374 | return len; | |
4375 | } | |
4376 | ||
4377 | static struct device_attribute ipr_resource_type_attr = { | |
4378 | .attr = { | |
4379 | .name = "resource_type", | |
4380 | .mode = S_IRUGO, | |
4381 | }, | |
4382 | .show = ipr_show_resource_type | |
4383 | }; | |
4384 | ||
1da177e4 LT |
4385 | static struct device_attribute *ipr_dev_attrs[] = { |
4386 | &ipr_adapter_handle_attr, | |
3e7ebdfa | 4387 | &ipr_resource_path_attr, |
46d74563 | 4388 | &ipr_device_id_attr, |
75576bb9 | 4389 | &ipr_resource_type_attr, |
1da177e4 LT |
4390 | NULL, |
4391 | }; | |
4392 | ||
4393 | /** | |
4394 | * ipr_biosparam - Return the HSC mapping | |
4395 | * @sdev: scsi device struct | |
4396 | * @block_device: block device pointer | |
4397 | * @capacity: capacity of the device | |
4398 | * @parm: Array containing returned HSC values. | |
4399 | * | |
4400 | * This function generates the HSC parms that fdisk uses. | |
4401 | * We want to make sure we return something that places partitions | |
4402 | * on 4k boundaries for best performance with the IOA. | |
4403 | * | |
4404 | * Return value: | |
4405 | * 0 on success | |
4406 | **/ | |
4407 | static int ipr_biosparam(struct scsi_device *sdev, | |
4408 | struct block_device *block_device, | |
4409 | sector_t capacity, int *parm) | |
4410 | { | |
4411 | int heads, sectors; | |
4412 | sector_t cylinders; | |
4413 | ||
4414 | heads = 128; | |
4415 | sectors = 32; | |
4416 | ||
4417 | cylinders = capacity; | |
4418 | sector_div(cylinders, (128 * 32)); | |
4419 | ||
4420 | /* return result */ | |
4421 | parm[0] = heads; | |
4422 | parm[1] = sectors; | |
4423 | parm[2] = cylinders; | |
4424 | ||
4425 | return 0; | |
4426 | } | |
4427 | ||
35a39691 BK |
4428 | /** |
4429 | * ipr_find_starget - Find target based on bus/target. | |
4430 | * @starget: scsi target struct | |
4431 | * | |
4432 | * Return value: | |
4433 | * resource entry pointer if found / NULL if not found | |
4434 | **/ | |
4435 | static struct ipr_resource_entry *ipr_find_starget(struct scsi_target *starget) | |
4436 | { | |
4437 | struct Scsi_Host *shost = dev_to_shost(&starget->dev); | |
4438 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *) shost->hostdata; | |
4439 | struct ipr_resource_entry *res; | |
4440 | ||
4441 | list_for_each_entry(res, &ioa_cfg->used_res_q, queue) { | |
3e7ebdfa | 4442 | if ((res->bus == starget->channel) && |
0ee1d714 | 4443 | (res->target == starget->id)) { |
35a39691 BK |
4444 | return res; |
4445 | } | |
4446 | } | |
4447 | ||
4448 | return NULL; | |
4449 | } | |
4450 | ||
4451 | static struct ata_port_info sata_port_info; | |
4452 | ||
4453 | /** | |
4454 | * ipr_target_alloc - Prepare for commands to a SCSI target | |
4455 | * @starget: scsi target struct | |
4456 | * | |
4457 | * If the device is a SATA device, this function allocates an | |
4458 | * ATA port with libata, else it does nothing. | |
4459 | * | |
4460 | * Return value: | |
4461 | * 0 on success / non-0 on failure | |
4462 | **/ | |
4463 | static int ipr_target_alloc(struct scsi_target *starget) | |
4464 | { | |
4465 | struct Scsi_Host *shost = dev_to_shost(&starget->dev); | |
4466 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *) shost->hostdata; | |
4467 | struct ipr_sata_port *sata_port; | |
4468 | struct ata_port *ap; | |
4469 | struct ipr_resource_entry *res; | |
4470 | unsigned long lock_flags; | |
4471 | ||
4472 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4473 | res = ipr_find_starget(starget); | |
4474 | starget->hostdata = NULL; | |
4475 | ||
4476 | if (res && ipr_is_gata(res)) { | |
4477 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4478 | sata_port = kzalloc(sizeof(*sata_port), GFP_KERNEL); | |
4479 | if (!sata_port) | |
4480 | return -ENOMEM; | |
4481 | ||
4482 | ap = ata_sas_port_alloc(&ioa_cfg->ata_host, &sata_port_info, shost); | |
4483 | if (ap) { | |
4484 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4485 | sata_port->ioa_cfg = ioa_cfg; | |
4486 | sata_port->ap = ap; | |
4487 | sata_port->res = res; | |
4488 | ||
4489 | res->sata_port = sata_port; | |
4490 | ap->private_data = sata_port; | |
4491 | starget->hostdata = sata_port; | |
4492 | } else { | |
4493 | kfree(sata_port); | |
4494 | return -ENOMEM; | |
4495 | } | |
4496 | } | |
4497 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4498 | ||
4499 | return 0; | |
4500 | } | |
4501 | ||
4502 | /** | |
4503 | * ipr_target_destroy - Destroy a SCSI target | |
4504 | * @starget: scsi target struct | |
4505 | * | |
4506 | * If the device was a SATA device, this function frees the libata | |
4507 | * ATA port, else it does nothing. | |
4508 | * | |
4509 | **/ | |
4510 | static void ipr_target_destroy(struct scsi_target *starget) | |
4511 | { | |
4512 | struct ipr_sata_port *sata_port = starget->hostdata; | |
3e7ebdfa WB |
4513 | struct Scsi_Host *shost = dev_to_shost(&starget->dev); |
4514 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *) shost->hostdata; | |
4515 | ||
4516 | if (ioa_cfg->sis64) { | |
0ee1d714 BK |
4517 | if (!ipr_find_starget(starget)) { |
4518 | if (starget->channel == IPR_ARRAY_VIRTUAL_BUS) | |
4519 | clear_bit(starget->id, ioa_cfg->array_ids); | |
4520 | else if (starget->channel == IPR_VSET_VIRTUAL_BUS) | |
4521 | clear_bit(starget->id, ioa_cfg->vset_ids); | |
4522 | else if (starget->channel == 0) | |
4523 | clear_bit(starget->id, ioa_cfg->target_ids); | |
4524 | } | |
3e7ebdfa | 4525 | } |
35a39691 BK |
4526 | |
4527 | if (sata_port) { | |
4528 | starget->hostdata = NULL; | |
4529 | ata_sas_port_destroy(sata_port->ap); | |
4530 | kfree(sata_port); | |
4531 | } | |
4532 | } | |
4533 | ||
4534 | /** | |
4535 | * ipr_find_sdev - Find device based on bus/target/lun. | |
4536 | * @sdev: scsi device struct | |
4537 | * | |
4538 | * Return value: | |
4539 | * resource entry pointer if found / NULL if not found | |
4540 | **/ | |
4541 | static struct ipr_resource_entry *ipr_find_sdev(struct scsi_device *sdev) | |
4542 | { | |
4543 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *) sdev->host->hostdata; | |
4544 | struct ipr_resource_entry *res; | |
4545 | ||
4546 | list_for_each_entry(res, &ioa_cfg->used_res_q, queue) { | |
3e7ebdfa WB |
4547 | if ((res->bus == sdev->channel) && |
4548 | (res->target == sdev->id) && | |
4549 | (res->lun == sdev->lun)) | |
35a39691 BK |
4550 | return res; |
4551 | } | |
4552 | ||
4553 | return NULL; | |
4554 | } | |
4555 | ||
1da177e4 LT |
4556 | /** |
4557 | * ipr_slave_destroy - Unconfigure a SCSI device | |
4558 | * @sdev: scsi device struct | |
4559 | * | |
4560 | * Return value: | |
4561 | * nothing | |
4562 | **/ | |
4563 | static void ipr_slave_destroy(struct scsi_device *sdev) | |
4564 | { | |
4565 | struct ipr_resource_entry *res; | |
4566 | struct ipr_ioa_cfg *ioa_cfg; | |
4567 | unsigned long lock_flags = 0; | |
4568 | ||
4569 | ioa_cfg = (struct ipr_ioa_cfg *) sdev->host->hostdata; | |
4570 | ||
4571 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4572 | res = (struct ipr_resource_entry *) sdev->hostdata; | |
4573 | if (res) { | |
35a39691 | 4574 | if (res->sata_port) |
3e4ec344 | 4575 | res->sata_port->ap->link.device[0].class = ATA_DEV_NONE; |
1da177e4 LT |
4576 | sdev->hostdata = NULL; |
4577 | res->sdev = NULL; | |
35a39691 | 4578 | res->sata_port = NULL; |
1da177e4 LT |
4579 | } |
4580 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4581 | } | |
4582 | ||
4583 | /** | |
4584 | * ipr_slave_configure - Configure a SCSI device | |
4585 | * @sdev: scsi device struct | |
4586 | * | |
4587 | * This function configures the specified scsi device. | |
4588 | * | |
4589 | * Return value: | |
4590 | * 0 on success | |
4591 | **/ | |
4592 | static int ipr_slave_configure(struct scsi_device *sdev) | |
4593 | { | |
4594 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *) sdev->host->hostdata; | |
4595 | struct ipr_resource_entry *res; | |
dd406ef8 | 4596 | struct ata_port *ap = NULL; |
1da177e4 | 4597 | unsigned long lock_flags = 0; |
3e7ebdfa | 4598 | char buffer[IPR_MAX_RES_PATH_LENGTH]; |
1da177e4 LT |
4599 | |
4600 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4601 | res = sdev->hostdata; | |
4602 | if (res) { | |
4603 | if (ipr_is_af_dasd_device(res)) | |
4604 | sdev->type = TYPE_RAID; | |
0726ce26 | 4605 | if (ipr_is_af_dasd_device(res) || ipr_is_ioa_resource(res)) { |
1da177e4 | 4606 | sdev->scsi_level = 4; |
0726ce26 BK |
4607 | sdev->no_uld_attach = 1; |
4608 | } | |
1da177e4 | 4609 | if (ipr_is_vset_device(res)) { |
242f9dcb JA |
4610 | blk_queue_rq_timeout(sdev->request_queue, |
4611 | IPR_VSET_RW_TIMEOUT); | |
086fa5ff | 4612 | blk_queue_max_hw_sectors(sdev->request_queue, IPR_VSET_MAX_SECTORS); |
1da177e4 | 4613 | } |
dd406ef8 BK |
4614 | if (ipr_is_gata(res) && res->sata_port) |
4615 | ap = res->sata_port->ap; | |
4616 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4617 | ||
4618 | if (ap) { | |
35a39691 | 4619 | scsi_adjust_queue_depth(sdev, 0, IPR_MAX_CMD_PER_ATA_LUN); |
dd406ef8 BK |
4620 | ata_sas_slave_configure(sdev, ap); |
4621 | } else | |
35a39691 | 4622 | scsi_adjust_queue_depth(sdev, 0, sdev->host->cmd_per_lun); |
3e7ebdfa WB |
4623 | if (ioa_cfg->sis64) |
4624 | sdev_printk(KERN_INFO, sdev, "Resource path: %s\n", | |
b3b3b407 BK |
4625 | ipr_format_res_path(ioa_cfg, |
4626 | res->res_path, buffer, sizeof(buffer))); | |
dd406ef8 | 4627 | return 0; |
1da177e4 LT |
4628 | } |
4629 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4630 | return 0; | |
4631 | } | |
4632 | ||
35a39691 BK |
4633 | /** |
4634 | * ipr_ata_slave_alloc - Prepare for commands to a SATA device | |
4635 | * @sdev: scsi device struct | |
4636 | * | |
4637 | * This function initializes an ATA port so that future commands | |
4638 | * sent through queuecommand will work. | |
4639 | * | |
4640 | * Return value: | |
4641 | * 0 on success | |
4642 | **/ | |
4643 | static int ipr_ata_slave_alloc(struct scsi_device *sdev) | |
4644 | { | |
4645 | struct ipr_sata_port *sata_port = NULL; | |
4646 | int rc = -ENXIO; | |
4647 | ||
4648 | ENTER; | |
4649 | if (sdev->sdev_target) | |
4650 | sata_port = sdev->sdev_target->hostdata; | |
b2024459 | 4651 | if (sata_port) { |
35a39691 | 4652 | rc = ata_sas_port_init(sata_port->ap); |
b2024459 DW |
4653 | if (rc == 0) |
4654 | rc = ata_sas_sync_probe(sata_port->ap); | |
4655 | } | |
4656 | ||
35a39691 BK |
4657 | if (rc) |
4658 | ipr_slave_destroy(sdev); | |
4659 | ||
4660 | LEAVE; | |
4661 | return rc; | |
4662 | } | |
4663 | ||
1da177e4 LT |
4664 | /** |
4665 | * ipr_slave_alloc - Prepare for commands to a device. | |
4666 | * @sdev: scsi device struct | |
4667 | * | |
4668 | * This function saves a pointer to the resource entry | |
4669 | * in the scsi device struct if the device exists. We | |
4670 | * can then use this pointer in ipr_queuecommand when | |
4671 | * handling new commands. | |
4672 | * | |
4673 | * Return value: | |
692aebfc | 4674 | * 0 on success / -ENXIO if device does not exist |
1da177e4 LT |
4675 | **/ |
4676 | static int ipr_slave_alloc(struct scsi_device *sdev) | |
4677 | { | |
4678 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *) sdev->host->hostdata; | |
4679 | struct ipr_resource_entry *res; | |
4680 | unsigned long lock_flags; | |
692aebfc | 4681 | int rc = -ENXIO; |
1da177e4 LT |
4682 | |
4683 | sdev->hostdata = NULL; | |
4684 | ||
4685 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4686 | ||
35a39691 BK |
4687 | res = ipr_find_sdev(sdev); |
4688 | if (res) { | |
4689 | res->sdev = sdev; | |
4690 | res->add_to_ml = 0; | |
4691 | res->in_erp = 0; | |
4692 | sdev->hostdata = res; | |
4693 | if (!ipr_is_naca_model(res)) | |
4694 | res->needs_sync_complete = 1; | |
4695 | rc = 0; | |
4696 | if (ipr_is_gata(res)) { | |
4697 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4698 | return ipr_ata_slave_alloc(sdev); | |
1da177e4 LT |
4699 | } |
4700 | } | |
4701 | ||
4702 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4703 | ||
692aebfc | 4704 | return rc; |
1da177e4 LT |
4705 | } |
4706 | ||
4707 | /** | |
4708 | * ipr_eh_host_reset - Reset the host adapter | |
4709 | * @scsi_cmd: scsi command struct | |
4710 | * | |
4711 | * Return value: | |
4712 | * SUCCESS / FAILED | |
4713 | **/ | |
203fa3fe | 4714 | static int __ipr_eh_host_reset(struct scsi_cmnd *scsi_cmd) |
1da177e4 LT |
4715 | { |
4716 | struct ipr_ioa_cfg *ioa_cfg; | |
4717 | int rc; | |
4718 | ||
4719 | ENTER; | |
4720 | ioa_cfg = (struct ipr_ioa_cfg *) scsi_cmd->device->host->hostdata; | |
4721 | ||
a92fa25c KSS |
4722 | if (!ioa_cfg->in_reset_reload) { |
4723 | dev_err(&ioa_cfg->pdev->dev, | |
4724 | "Adapter being reset as a result of error recovery.\n"); | |
1da177e4 | 4725 | |
a92fa25c KSS |
4726 | if (WAIT_FOR_DUMP == ioa_cfg->sdt_state) |
4727 | ioa_cfg->sdt_state = GET_DUMP; | |
4728 | } | |
1da177e4 LT |
4729 | |
4730 | rc = ipr_reset_reload(ioa_cfg, IPR_SHUTDOWN_ABBREV); | |
4731 | ||
4732 | LEAVE; | |
4733 | return rc; | |
4734 | } | |
4735 | ||
203fa3fe | 4736 | static int ipr_eh_host_reset(struct scsi_cmnd *cmd) |
df0ae249 JG |
4737 | { |
4738 | int rc; | |
4739 | ||
4740 | spin_lock_irq(cmd->device->host->host_lock); | |
4741 | rc = __ipr_eh_host_reset(cmd); | |
4742 | spin_unlock_irq(cmd->device->host->host_lock); | |
4743 | ||
4744 | return rc; | |
4745 | } | |
4746 | ||
c6513096 BK |
4747 | /** |
4748 | * ipr_device_reset - Reset the device | |
4749 | * @ioa_cfg: ioa config struct | |
4750 | * @res: resource entry struct | |
4751 | * | |
4752 | * This function issues a device reset to the affected device. | |
4753 | * If the device is a SCSI device, a LUN reset will be sent | |
4754 | * to the device first. If that does not work, a target reset | |
35a39691 BK |
4755 | * will be sent. If the device is a SATA device, a PHY reset will |
4756 | * be sent. | |
c6513096 BK |
4757 | * |
4758 | * Return value: | |
4759 | * 0 on success / non-zero on failure | |
4760 | **/ | |
4761 | static int ipr_device_reset(struct ipr_ioa_cfg *ioa_cfg, | |
4762 | struct ipr_resource_entry *res) | |
4763 | { | |
4764 | struct ipr_cmnd *ipr_cmd; | |
4765 | struct ipr_ioarcb *ioarcb; | |
4766 | struct ipr_cmd_pkt *cmd_pkt; | |
35a39691 | 4767 | struct ipr_ioarcb_ata_regs *regs; |
c6513096 BK |
4768 | u32 ioasc; |
4769 | ||
4770 | ENTER; | |
4771 | ipr_cmd = ipr_get_free_ipr_cmnd(ioa_cfg); | |
4772 | ioarcb = &ipr_cmd->ioarcb; | |
4773 | cmd_pkt = &ioarcb->cmd_pkt; | |
a32c055f WB |
4774 | |
4775 | if (ipr_cmd->ioa_cfg->sis64) { | |
4776 | regs = &ipr_cmd->i.ata_ioadl.regs; | |
4777 | ioarcb->add_cmd_parms_offset = cpu_to_be16(sizeof(*ioarcb)); | |
4778 | } else | |
4779 | regs = &ioarcb->u.add_data.u.regs; | |
c6513096 | 4780 | |
3e7ebdfa | 4781 | ioarcb->res_handle = res->res_handle; |
c6513096 BK |
4782 | cmd_pkt->request_type = IPR_RQTYPE_IOACMD; |
4783 | cmd_pkt->cdb[0] = IPR_RESET_DEVICE; | |
35a39691 BK |
4784 | if (ipr_is_gata(res)) { |
4785 | cmd_pkt->cdb[2] = IPR_ATA_PHY_RESET; | |
a32c055f | 4786 | ioarcb->add_cmd_parms_len = cpu_to_be16(sizeof(regs->flags)); |
35a39691 BK |
4787 | regs->flags |= IPR_ATA_FLAG_STATUS_ON_GOOD_COMPLETION; |
4788 | } | |
c6513096 BK |
4789 | |
4790 | ipr_send_blocking_cmd(ipr_cmd, ipr_timeout, IPR_DEVICE_RESET_TIMEOUT); | |
96d21f00 | 4791 | ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
05a6538a | 4792 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
96d21f00 WB |
4793 | if (ipr_is_gata(res) && res->sata_port && ioasc != IPR_IOASC_IOA_WAS_RESET) { |
4794 | if (ipr_cmd->ioa_cfg->sis64) | |
4795 | memcpy(&res->sata_port->ioasa, &ipr_cmd->s.ioasa64.u.gata, | |
4796 | sizeof(struct ipr_ioasa_gata)); | |
4797 | else | |
4798 | memcpy(&res->sata_port->ioasa, &ipr_cmd->s.ioasa.u.gata, | |
4799 | sizeof(struct ipr_ioasa_gata)); | |
4800 | } | |
c6513096 BK |
4801 | |
4802 | LEAVE; | |
203fa3fe | 4803 | return IPR_IOASC_SENSE_KEY(ioasc) ? -EIO : 0; |
c6513096 BK |
4804 | } |
4805 | ||
35a39691 BK |
4806 | /** |
4807 | * ipr_sata_reset - Reset the SATA port | |
cc0680a5 | 4808 | * @link: SATA link to reset |
35a39691 BK |
4809 | * @classes: class of the attached device |
4810 | * | |
cc0680a5 | 4811 | * This function issues a SATA phy reset to the affected ATA link. |
35a39691 BK |
4812 | * |
4813 | * Return value: | |
4814 | * 0 on success / non-zero on failure | |
4815 | **/ | |
cc0680a5 | 4816 | static int ipr_sata_reset(struct ata_link *link, unsigned int *classes, |
120bda35 | 4817 | unsigned long deadline) |
35a39691 | 4818 | { |
cc0680a5 | 4819 | struct ipr_sata_port *sata_port = link->ap->private_data; |
35a39691 BK |
4820 | struct ipr_ioa_cfg *ioa_cfg = sata_port->ioa_cfg; |
4821 | struct ipr_resource_entry *res; | |
4822 | unsigned long lock_flags = 0; | |
4823 | int rc = -ENXIO; | |
4824 | ||
4825 | ENTER; | |
4826 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
203fa3fe | 4827 | while (ioa_cfg->in_reset_reload) { |
73d98ff0 BK |
4828 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
4829 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
4830 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4831 | } | |
4832 | ||
35a39691 BK |
4833 | res = sata_port->res; |
4834 | if (res) { | |
4835 | rc = ipr_device_reset(ioa_cfg, res); | |
3e7ebdfa | 4836 | *classes = res->ata_class; |
35a39691 BK |
4837 | } |
4838 | ||
4839 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4840 | LEAVE; | |
4841 | return rc; | |
4842 | } | |
4843 | ||
1da177e4 LT |
4844 | /** |
4845 | * ipr_eh_dev_reset - Reset the device | |
4846 | * @scsi_cmd: scsi command struct | |
4847 | * | |
4848 | * This function issues a device reset to the affected device. | |
4849 | * A LUN reset will be sent to the device first. If that does | |
4850 | * not work, a target reset will be sent. | |
4851 | * | |
4852 | * Return value: | |
4853 | * SUCCESS / FAILED | |
4854 | **/ | |
203fa3fe | 4855 | static int __ipr_eh_dev_reset(struct scsi_cmnd *scsi_cmd) |
1da177e4 LT |
4856 | { |
4857 | struct ipr_cmnd *ipr_cmd; | |
4858 | struct ipr_ioa_cfg *ioa_cfg; | |
4859 | struct ipr_resource_entry *res; | |
35a39691 BK |
4860 | struct ata_port *ap; |
4861 | int rc = 0; | |
05a6538a | 4862 | struct ipr_hrr_queue *hrrq; |
1da177e4 LT |
4863 | |
4864 | ENTER; | |
4865 | ioa_cfg = (struct ipr_ioa_cfg *) scsi_cmd->device->host->hostdata; | |
4866 | res = scsi_cmd->device->hostdata; | |
4867 | ||
eeb88307 | 4868 | if (!res) |
1da177e4 LT |
4869 | return FAILED; |
4870 | ||
4871 | /* | |
4872 | * If we are currently going through reset/reload, return failed. This will force the | |
4873 | * mid-layer to call ipr_eh_host_reset, which will then go to sleep and wait for the | |
4874 | * reset to complete | |
4875 | */ | |
4876 | if (ioa_cfg->in_reset_reload) | |
4877 | return FAILED; | |
56d6aa33 | 4878 | if (ioa_cfg->hrrq[IPR_INIT_HRRQ].ioa_is_dead) |
1da177e4 LT |
4879 | return FAILED; |
4880 | ||
05a6538a | 4881 | for_each_hrrq(hrrq, ioa_cfg) { |
56d6aa33 | 4882 | spin_lock(&hrrq->_lock); |
05a6538a | 4883 | list_for_each_entry(ipr_cmd, &hrrq->hrrq_pending_q, queue) { |
4884 | if (ipr_cmd->ioarcb.res_handle == res->res_handle) { | |
4885 | if (ipr_cmd->scsi_cmd) | |
4886 | ipr_cmd->done = ipr_scsi_eh_done; | |
4887 | if (ipr_cmd->qc) | |
4888 | ipr_cmd->done = ipr_sata_eh_done; | |
4889 | if (ipr_cmd->qc && | |
4890 | !(ipr_cmd->qc->flags & ATA_QCFLAG_FAILED)) { | |
4891 | ipr_cmd->qc->err_mask |= AC_ERR_TIMEOUT; | |
4892 | ipr_cmd->qc->flags |= ATA_QCFLAG_FAILED; | |
4893 | } | |
7402ecef | 4894 | } |
1da177e4 | 4895 | } |
56d6aa33 | 4896 | spin_unlock(&hrrq->_lock); |
1da177e4 | 4897 | } |
1da177e4 | 4898 | res->resetting_device = 1; |
fb3ed3cb | 4899 | scmd_printk(KERN_ERR, scsi_cmd, "Resetting device\n"); |
35a39691 BK |
4900 | |
4901 | if (ipr_is_gata(res) && res->sata_port) { | |
4902 | ap = res->sata_port->ap; | |
4903 | spin_unlock_irq(scsi_cmd->device->host->host_lock); | |
a1efdaba | 4904 | ata_std_error_handler(ap); |
35a39691 | 4905 | spin_lock_irq(scsi_cmd->device->host->host_lock); |
5af23d26 | 4906 | |
05a6538a | 4907 | for_each_hrrq(hrrq, ioa_cfg) { |
56d6aa33 | 4908 | spin_lock(&hrrq->_lock); |
05a6538a | 4909 | list_for_each_entry(ipr_cmd, |
4910 | &hrrq->hrrq_pending_q, queue) { | |
4911 | if (ipr_cmd->ioarcb.res_handle == | |
4912 | res->res_handle) { | |
4913 | rc = -EIO; | |
4914 | break; | |
4915 | } | |
5af23d26 | 4916 | } |
56d6aa33 | 4917 | spin_unlock(&hrrq->_lock); |
5af23d26 | 4918 | } |
35a39691 BK |
4919 | } else |
4920 | rc = ipr_device_reset(ioa_cfg, res); | |
1da177e4 LT |
4921 | res->resetting_device = 0; |
4922 | ||
1da177e4 | 4923 | LEAVE; |
203fa3fe | 4924 | return rc ? FAILED : SUCCESS; |
1da177e4 LT |
4925 | } |
4926 | ||
203fa3fe | 4927 | static int ipr_eh_dev_reset(struct scsi_cmnd *cmd) |
94d0e7b8 JG |
4928 | { |
4929 | int rc; | |
4930 | ||
4931 | spin_lock_irq(cmd->device->host->host_lock); | |
4932 | rc = __ipr_eh_dev_reset(cmd); | |
4933 | spin_unlock_irq(cmd->device->host->host_lock); | |
4934 | ||
4935 | return rc; | |
4936 | } | |
4937 | ||
1da177e4 LT |
4938 | /** |
4939 | * ipr_bus_reset_done - Op done function for bus reset. | |
4940 | * @ipr_cmd: ipr command struct | |
4941 | * | |
4942 | * This function is the op done function for a bus reset | |
4943 | * | |
4944 | * Return value: | |
4945 | * none | |
4946 | **/ | |
4947 | static void ipr_bus_reset_done(struct ipr_cmnd *ipr_cmd) | |
4948 | { | |
4949 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
4950 | struct ipr_resource_entry *res; | |
4951 | ||
4952 | ENTER; | |
3e7ebdfa WB |
4953 | if (!ioa_cfg->sis64) |
4954 | list_for_each_entry(res, &ioa_cfg->used_res_q, queue) { | |
4955 | if (res->res_handle == ipr_cmd->ioarcb.res_handle) { | |
4956 | scsi_report_bus_reset(ioa_cfg->host, res->bus); | |
4957 | break; | |
4958 | } | |
1da177e4 | 4959 | } |
1da177e4 LT |
4960 | |
4961 | /* | |
4962 | * If abort has not completed, indicate the reset has, else call the | |
4963 | * abort's done function to wake the sleeping eh thread | |
4964 | */ | |
4965 | if (ipr_cmd->sibling->sibling) | |
4966 | ipr_cmd->sibling->sibling = NULL; | |
4967 | else | |
4968 | ipr_cmd->sibling->done(ipr_cmd->sibling); | |
4969 | ||
05a6538a | 4970 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
1da177e4 LT |
4971 | LEAVE; |
4972 | } | |
4973 | ||
4974 | /** | |
4975 | * ipr_abort_timeout - An abort task has timed out | |
4976 | * @ipr_cmd: ipr command struct | |
4977 | * | |
4978 | * This function handles when an abort task times out. If this | |
4979 | * happens we issue a bus reset since we have resources tied | |
4980 | * up that must be freed before returning to the midlayer. | |
4981 | * | |
4982 | * Return value: | |
4983 | * none | |
4984 | **/ | |
4985 | static void ipr_abort_timeout(struct ipr_cmnd *ipr_cmd) | |
4986 | { | |
4987 | struct ipr_cmnd *reset_cmd; | |
4988 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
4989 | struct ipr_cmd_pkt *cmd_pkt; | |
4990 | unsigned long lock_flags = 0; | |
4991 | ||
4992 | ENTER; | |
4993 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4994 | if (ipr_cmd->completion.done || ioa_cfg->in_reset_reload) { | |
4995 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4996 | return; | |
4997 | } | |
4998 | ||
fb3ed3cb | 4999 | sdev_printk(KERN_ERR, ipr_cmd->u.sdev, "Abort timed out. Resetting bus.\n"); |
1da177e4 LT |
5000 | reset_cmd = ipr_get_free_ipr_cmnd(ioa_cfg); |
5001 | ipr_cmd->sibling = reset_cmd; | |
5002 | reset_cmd->sibling = ipr_cmd; | |
5003 | reset_cmd->ioarcb.res_handle = ipr_cmd->ioarcb.res_handle; | |
5004 | cmd_pkt = &reset_cmd->ioarcb.cmd_pkt; | |
5005 | cmd_pkt->request_type = IPR_RQTYPE_IOACMD; | |
5006 | cmd_pkt->cdb[0] = IPR_RESET_DEVICE; | |
5007 | cmd_pkt->cdb[2] = IPR_RESET_TYPE_SELECT | IPR_BUS_RESET; | |
5008 | ||
5009 | ipr_do_req(reset_cmd, ipr_bus_reset_done, ipr_timeout, IPR_DEVICE_RESET_TIMEOUT); | |
5010 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
5011 | LEAVE; | |
5012 | } | |
5013 | ||
5014 | /** | |
5015 | * ipr_cancel_op - Cancel specified op | |
5016 | * @scsi_cmd: scsi command struct | |
5017 | * | |
5018 | * This function cancels specified op. | |
5019 | * | |
5020 | * Return value: | |
5021 | * SUCCESS / FAILED | |
5022 | **/ | |
203fa3fe | 5023 | static int ipr_cancel_op(struct scsi_cmnd *scsi_cmd) |
1da177e4 LT |
5024 | { |
5025 | struct ipr_cmnd *ipr_cmd; | |
5026 | struct ipr_ioa_cfg *ioa_cfg; | |
5027 | struct ipr_resource_entry *res; | |
5028 | struct ipr_cmd_pkt *cmd_pkt; | |
a92fa25c | 5029 | u32 ioasc, int_reg; |
1da177e4 | 5030 | int op_found = 0; |
05a6538a | 5031 | struct ipr_hrr_queue *hrrq; |
1da177e4 LT |
5032 | |
5033 | ENTER; | |
5034 | ioa_cfg = (struct ipr_ioa_cfg *)scsi_cmd->device->host->hostdata; | |
5035 | res = scsi_cmd->device->hostdata; | |
5036 | ||
8fa728a2 JG |
5037 | /* If we are currently going through reset/reload, return failed. |
5038 | * This will force the mid-layer to call ipr_eh_host_reset, | |
5039 | * which will then go to sleep and wait for the reset to complete | |
5040 | */ | |
56d6aa33 | 5041 | if (ioa_cfg->in_reset_reload || |
5042 | ioa_cfg->hrrq[IPR_INIT_HRRQ].ioa_is_dead) | |
8fa728a2 | 5043 | return FAILED; |
a92fa25c KSS |
5044 | if (!res) |
5045 | return FAILED; | |
5046 | ||
5047 | /* | |
5048 | * If we are aborting a timed out op, chances are that the timeout was caused | |
5049 | * by a still not detected EEH error. In such cases, reading a register will | |
5050 | * trigger the EEH recovery infrastructure. | |
5051 | */ | |
5052 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg); | |
5053 | ||
5054 | if (!ipr_is_gscsi(res)) | |
1da177e4 LT |
5055 | return FAILED; |
5056 | ||
05a6538a | 5057 | for_each_hrrq(hrrq, ioa_cfg) { |
56d6aa33 | 5058 | spin_lock(&hrrq->_lock); |
05a6538a | 5059 | list_for_each_entry(ipr_cmd, &hrrq->hrrq_pending_q, queue) { |
5060 | if (ipr_cmd->scsi_cmd == scsi_cmd) { | |
5061 | ipr_cmd->done = ipr_scsi_eh_done; | |
5062 | op_found = 1; | |
5063 | break; | |
5064 | } | |
1da177e4 | 5065 | } |
56d6aa33 | 5066 | spin_unlock(&hrrq->_lock); |
1da177e4 LT |
5067 | } |
5068 | ||
5069 | if (!op_found) | |
5070 | return SUCCESS; | |
5071 | ||
5072 | ipr_cmd = ipr_get_free_ipr_cmnd(ioa_cfg); | |
3e7ebdfa | 5073 | ipr_cmd->ioarcb.res_handle = res->res_handle; |
1da177e4 LT |
5074 | cmd_pkt = &ipr_cmd->ioarcb.cmd_pkt; |
5075 | cmd_pkt->request_type = IPR_RQTYPE_IOACMD; | |
5076 | cmd_pkt->cdb[0] = IPR_CANCEL_ALL_REQUESTS; | |
5077 | ipr_cmd->u.sdev = scsi_cmd->device; | |
5078 | ||
fb3ed3cb BK |
5079 | scmd_printk(KERN_ERR, scsi_cmd, "Aborting command: %02X\n", |
5080 | scsi_cmd->cmnd[0]); | |
1da177e4 | 5081 | ipr_send_blocking_cmd(ipr_cmd, ipr_abort_timeout, IPR_CANCEL_ALL_TIMEOUT); |
96d21f00 | 5082 | ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
1da177e4 LT |
5083 | |
5084 | /* | |
5085 | * If the abort task timed out and we sent a bus reset, we will get | |
5086 | * one the following responses to the abort | |
5087 | */ | |
5088 | if (ioasc == IPR_IOASC_BUS_WAS_RESET || ioasc == IPR_IOASC_SYNC_REQUIRED) { | |
5089 | ioasc = 0; | |
5090 | ipr_trace; | |
5091 | } | |
5092 | ||
05a6538a | 5093 | list_add_tail(&ipr_cmd->queue, &hrrq->hrrq_free_q); |
ee0a90fa BK |
5094 | if (!ipr_is_naca_model(res)) |
5095 | res->needs_sync_complete = 1; | |
1da177e4 LT |
5096 | |
5097 | LEAVE; | |
203fa3fe | 5098 | return IPR_IOASC_SENSE_KEY(ioasc) ? FAILED : SUCCESS; |
1da177e4 LT |
5099 | } |
5100 | ||
5101 | /** | |
5102 | * ipr_eh_abort - Abort a single op | |
5103 | * @scsi_cmd: scsi command struct | |
5104 | * | |
5105 | * Return value: | |
5106 | * SUCCESS / FAILED | |
5107 | **/ | |
203fa3fe | 5108 | static int ipr_eh_abort(struct scsi_cmnd *scsi_cmd) |
1da177e4 | 5109 | { |
8fa728a2 JG |
5110 | unsigned long flags; |
5111 | int rc; | |
1da177e4 LT |
5112 | |
5113 | ENTER; | |
1da177e4 | 5114 | |
8fa728a2 JG |
5115 | spin_lock_irqsave(scsi_cmd->device->host->host_lock, flags); |
5116 | rc = ipr_cancel_op(scsi_cmd); | |
5117 | spin_unlock_irqrestore(scsi_cmd->device->host->host_lock, flags); | |
1da177e4 LT |
5118 | |
5119 | LEAVE; | |
8fa728a2 | 5120 | return rc; |
1da177e4 LT |
5121 | } |
5122 | ||
5123 | /** | |
5124 | * ipr_handle_other_interrupt - Handle "other" interrupts | |
5125 | * @ioa_cfg: ioa config struct | |
634651fa | 5126 | * @int_reg: interrupt register |
1da177e4 LT |
5127 | * |
5128 | * Return value: | |
5129 | * IRQ_NONE / IRQ_HANDLED | |
5130 | **/ | |
634651fa | 5131 | static irqreturn_t ipr_handle_other_interrupt(struct ipr_ioa_cfg *ioa_cfg, |
630ad831 | 5132 | u32 int_reg) |
1da177e4 LT |
5133 | { |
5134 | irqreturn_t rc = IRQ_HANDLED; | |
7dacb64f | 5135 | u32 int_mask_reg; |
56d6aa33 | 5136 | |
7dacb64f WB |
5137 | int_mask_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg32); |
5138 | int_reg &= ~int_mask_reg; | |
5139 | ||
5140 | /* If an interrupt on the adapter did not occur, ignore it. | |
5141 | * Or in the case of SIS 64, check for a stage change interrupt. | |
5142 | */ | |
5143 | if ((int_reg & IPR_PCII_OPER_INTERRUPTS) == 0) { | |
5144 | if (ioa_cfg->sis64) { | |
5145 | int_mask_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg); | |
5146 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg) & ~int_mask_reg; | |
5147 | if (int_reg & IPR_PCII_IPL_STAGE_CHANGE) { | |
5148 | ||
5149 | /* clear stage change */ | |
5150 | writel(IPR_PCII_IPL_STAGE_CHANGE, ioa_cfg->regs.clr_interrupt_reg); | |
5151 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg) & ~int_mask_reg; | |
5152 | list_del(&ioa_cfg->reset_cmd->queue); | |
5153 | del_timer(&ioa_cfg->reset_cmd->timer); | |
5154 | ipr_reset_ioa_job(ioa_cfg->reset_cmd); | |
5155 | return IRQ_HANDLED; | |
5156 | } | |
5157 | } | |
5158 | ||
5159 | return IRQ_NONE; | |
5160 | } | |
1da177e4 LT |
5161 | |
5162 | if (int_reg & IPR_PCII_IOA_TRANS_TO_OPER) { | |
5163 | /* Mask the interrupt */ | |
5164 | writel(IPR_PCII_IOA_TRANS_TO_OPER, ioa_cfg->regs.set_interrupt_mask_reg); | |
5165 | ||
5166 | /* Clear the interrupt */ | |
5167 | writel(IPR_PCII_IOA_TRANS_TO_OPER, ioa_cfg->regs.clr_interrupt_reg); | |
5168 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg); | |
5169 | ||
5170 | list_del(&ioa_cfg->reset_cmd->queue); | |
5171 | del_timer(&ioa_cfg->reset_cmd->timer); | |
5172 | ipr_reset_ioa_job(ioa_cfg->reset_cmd); | |
7dacb64f | 5173 | } else if ((int_reg & IPR_PCII_HRRQ_UPDATED) == int_reg) { |
7dd21308 BK |
5174 | if (ioa_cfg->clear_isr) { |
5175 | if (ipr_debug && printk_ratelimit()) | |
5176 | dev_err(&ioa_cfg->pdev->dev, | |
5177 | "Spurious interrupt detected. 0x%08X\n", int_reg); | |
5178 | writel(IPR_PCII_HRRQ_UPDATED, ioa_cfg->regs.clr_interrupt_reg32); | |
5179 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg32); | |
5180 | return IRQ_NONE; | |
5181 | } | |
1da177e4 LT |
5182 | } else { |
5183 | if (int_reg & IPR_PCII_IOA_UNIT_CHECKED) | |
5184 | ioa_cfg->ioa_unit_checked = 1; | |
05a6538a | 5185 | else if (int_reg & IPR_PCII_NO_HOST_RRQ) |
5186 | dev_err(&ioa_cfg->pdev->dev, | |
5187 | "No Host RRQ. 0x%08X\n", int_reg); | |
1da177e4 LT |
5188 | else |
5189 | dev_err(&ioa_cfg->pdev->dev, | |
5190 | "Permanent IOA failure. 0x%08X\n", int_reg); | |
5191 | ||
5192 | if (WAIT_FOR_DUMP == ioa_cfg->sdt_state) | |
5193 | ioa_cfg->sdt_state = GET_DUMP; | |
5194 | ||
5195 | ipr_mask_and_clear_interrupts(ioa_cfg, ~0); | |
5196 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); | |
5197 | } | |
56d6aa33 | 5198 | |
1da177e4 LT |
5199 | return rc; |
5200 | } | |
5201 | ||
3feeb89d WB |
5202 | /** |
5203 | * ipr_isr_eh - Interrupt service routine error handler | |
5204 | * @ioa_cfg: ioa config struct | |
5205 | * @msg: message to log | |
5206 | * | |
5207 | * Return value: | |
5208 | * none | |
5209 | **/ | |
05a6538a | 5210 | static void ipr_isr_eh(struct ipr_ioa_cfg *ioa_cfg, char *msg, u16 number) |
3feeb89d WB |
5211 | { |
5212 | ioa_cfg->errors_logged++; | |
05a6538a | 5213 | dev_err(&ioa_cfg->pdev->dev, "%s %d\n", msg, number); |
3feeb89d WB |
5214 | |
5215 | if (WAIT_FOR_DUMP == ioa_cfg->sdt_state) | |
5216 | ioa_cfg->sdt_state = GET_DUMP; | |
5217 | ||
5218 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); | |
5219 | } | |
5220 | ||
05a6538a | 5221 | static int __ipr_process_hrrq(struct ipr_hrr_queue *hrr_queue, |
5222 | struct list_head *doneq) | |
5223 | { | |
5224 | u32 ioasc; | |
5225 | u16 cmd_index; | |
5226 | struct ipr_cmnd *ipr_cmd; | |
5227 | struct ipr_ioa_cfg *ioa_cfg = hrr_queue->ioa_cfg; | |
5228 | int num_hrrq = 0; | |
5229 | ||
5230 | /* If interrupts are disabled, ignore the interrupt */ | |
56d6aa33 | 5231 | if (!hrr_queue->allow_interrupts) |
05a6538a | 5232 | return 0; |
5233 | ||
5234 | while ((be32_to_cpu(*hrr_queue->hrrq_curr) & IPR_HRRQ_TOGGLE_BIT) == | |
5235 | hrr_queue->toggle_bit) { | |
5236 | ||
5237 | cmd_index = (be32_to_cpu(*hrr_queue->hrrq_curr) & | |
5238 | IPR_HRRQ_REQ_RESP_HANDLE_MASK) >> | |
5239 | IPR_HRRQ_REQ_RESP_HANDLE_SHIFT; | |
5240 | ||
5241 | if (unlikely(cmd_index > hrr_queue->max_cmd_id || | |
5242 | cmd_index < hrr_queue->min_cmd_id)) { | |
5243 | ipr_isr_eh(ioa_cfg, | |
5244 | "Invalid response handle from IOA: ", | |
5245 | cmd_index); | |
5246 | break; | |
5247 | } | |
5248 | ||
5249 | ipr_cmd = ioa_cfg->ipr_cmnd_list[cmd_index]; | |
5250 | ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); | |
5251 | ||
5252 | ipr_trc_hook(ipr_cmd, IPR_TRACE_FINISH, ioasc); | |
5253 | ||
5254 | list_move_tail(&ipr_cmd->queue, doneq); | |
5255 | ||
5256 | if (hrr_queue->hrrq_curr < hrr_queue->hrrq_end) { | |
5257 | hrr_queue->hrrq_curr++; | |
5258 | } else { | |
5259 | hrr_queue->hrrq_curr = hrr_queue->hrrq_start; | |
5260 | hrr_queue->toggle_bit ^= 1u; | |
5261 | } | |
5262 | num_hrrq++; | |
5263 | } | |
5264 | return num_hrrq; | |
5265 | } | |
1da177e4 LT |
5266 | /** |
5267 | * ipr_isr - Interrupt service routine | |
5268 | * @irq: irq number | |
5269 | * @devp: pointer to ioa config struct | |
1da177e4 LT |
5270 | * |
5271 | * Return value: | |
5272 | * IRQ_NONE / IRQ_HANDLED | |
5273 | **/ | |
7d12e780 | 5274 | static irqreturn_t ipr_isr(int irq, void *devp) |
1da177e4 | 5275 | { |
05a6538a | 5276 | struct ipr_hrr_queue *hrrq = (struct ipr_hrr_queue *)devp; |
5277 | struct ipr_ioa_cfg *ioa_cfg = hrrq->ioa_cfg; | |
56d6aa33 | 5278 | unsigned long hrrq_flags = 0; |
7dacb64f | 5279 | u32 int_reg = 0; |
1da177e4 LT |
5280 | u32 ioasc; |
5281 | u16 cmd_index; | |
3feeb89d | 5282 | int num_hrrq = 0; |
7dacb64f | 5283 | int irq_none = 0; |
172cd6e1 | 5284 | struct ipr_cmnd *ipr_cmd, *temp; |
1da177e4 | 5285 | irqreturn_t rc = IRQ_NONE; |
172cd6e1 | 5286 | LIST_HEAD(doneq); |
1da177e4 | 5287 | |
56d6aa33 | 5288 | spin_lock_irqsave(hrrq->lock, hrrq_flags); |
1da177e4 | 5289 | /* If interrupts are disabled, ignore the interrupt */ |
56d6aa33 | 5290 | if (!hrrq->allow_interrupts) { |
5291 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); | |
1da177e4 LT |
5292 | return IRQ_NONE; |
5293 | } | |
5294 | ||
1da177e4 LT |
5295 | while (1) { |
5296 | ipr_cmd = NULL; | |
5297 | ||
05a6538a | 5298 | while ((be32_to_cpu(*hrrq->hrrq_curr) & IPR_HRRQ_TOGGLE_BIT) == |
5299 | hrrq->toggle_bit) { | |
1da177e4 | 5300 | |
05a6538a | 5301 | cmd_index = (be32_to_cpu(*hrrq->hrrq_curr) & |
1da177e4 LT |
5302 | IPR_HRRQ_REQ_RESP_HANDLE_MASK) >> IPR_HRRQ_REQ_RESP_HANDLE_SHIFT; |
5303 | ||
05a6538a | 5304 | if (unlikely(cmd_index > hrrq->max_cmd_id || |
5305 | cmd_index < hrrq->min_cmd_id)) { | |
5306 | ipr_isr_eh(ioa_cfg, | |
5307 | "Invalid response handle from IOA: ", | |
5308 | cmd_index); | |
172cd6e1 BK |
5309 | rc = IRQ_HANDLED; |
5310 | goto unlock_out; | |
1da177e4 LT |
5311 | } |
5312 | ||
5313 | ipr_cmd = ioa_cfg->ipr_cmnd_list[cmd_index]; | |
96d21f00 | 5314 | ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
1da177e4 LT |
5315 | |
5316 | ipr_trc_hook(ipr_cmd, IPR_TRACE_FINISH, ioasc); | |
5317 | ||
172cd6e1 | 5318 | list_move_tail(&ipr_cmd->queue, &doneq); |
1da177e4 LT |
5319 | |
5320 | rc = IRQ_HANDLED; | |
5321 | ||
05a6538a | 5322 | if (hrrq->hrrq_curr < hrrq->hrrq_end) { |
5323 | hrrq->hrrq_curr++; | |
1da177e4 | 5324 | } else { |
05a6538a | 5325 | hrrq->hrrq_curr = hrrq->hrrq_start; |
5326 | hrrq->toggle_bit ^= 1u; | |
1da177e4 LT |
5327 | } |
5328 | } | |
5329 | ||
7dd21308 BK |
5330 | if (ipr_cmd && !ioa_cfg->clear_isr) |
5331 | break; | |
5332 | ||
1da177e4 LT |
5333 | if (ipr_cmd != NULL) { |
5334 | /* Clear the PCI interrupt */ | |
a5442ba4 | 5335 | num_hrrq = 0; |
3feeb89d | 5336 | do { |
214777ba | 5337 | writel(IPR_PCII_HRRQ_UPDATED, ioa_cfg->regs.clr_interrupt_reg32); |
7dacb64f | 5338 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg32); |
3feeb89d WB |
5339 | } while (int_reg & IPR_PCII_HRRQ_UPDATED && |
5340 | num_hrrq++ < IPR_MAX_HRRQ_RETRIES); | |
5341 | ||
7dacb64f WB |
5342 | } else if (rc == IRQ_NONE && irq_none == 0) { |
5343 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg32); | |
5344 | irq_none++; | |
a5442ba4 WB |
5345 | } else if (num_hrrq == IPR_MAX_HRRQ_RETRIES && |
5346 | int_reg & IPR_PCII_HRRQ_UPDATED) { | |
05a6538a | 5347 | ipr_isr_eh(ioa_cfg, "Error clearing HRRQ: ", num_hrrq); |
172cd6e1 BK |
5348 | rc = IRQ_HANDLED; |
5349 | goto unlock_out; | |
1da177e4 LT |
5350 | } else |
5351 | break; | |
5352 | } | |
5353 | ||
5354 | if (unlikely(rc == IRQ_NONE)) | |
634651fa | 5355 | rc = ipr_handle_other_interrupt(ioa_cfg, int_reg); |
1da177e4 | 5356 | |
172cd6e1 | 5357 | unlock_out: |
56d6aa33 | 5358 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); |
172cd6e1 BK |
5359 | list_for_each_entry_safe(ipr_cmd, temp, &doneq, queue) { |
5360 | list_del(&ipr_cmd->queue); | |
5361 | del_timer(&ipr_cmd->timer); | |
5362 | ipr_cmd->fast_done(ipr_cmd); | |
5363 | } | |
05a6538a | 5364 | return rc; |
5365 | } | |
5366 | ||
5367 | /** | |
5368 | * ipr_isr_mhrrq - Interrupt service routine | |
5369 | * @irq: irq number | |
5370 | * @devp: pointer to ioa config struct | |
5371 | * | |
5372 | * Return value: | |
5373 | * IRQ_NONE / IRQ_HANDLED | |
5374 | **/ | |
5375 | static irqreturn_t ipr_isr_mhrrq(int irq, void *devp) | |
5376 | { | |
5377 | struct ipr_hrr_queue *hrrq = (struct ipr_hrr_queue *)devp; | |
56d6aa33 | 5378 | unsigned long hrrq_flags = 0; |
05a6538a | 5379 | struct ipr_cmnd *ipr_cmd, *temp; |
5380 | irqreturn_t rc = IRQ_NONE; | |
5381 | LIST_HEAD(doneq); | |
172cd6e1 | 5382 | |
56d6aa33 | 5383 | spin_lock_irqsave(hrrq->lock, hrrq_flags); |
05a6538a | 5384 | |
5385 | /* If interrupts are disabled, ignore the interrupt */ | |
56d6aa33 | 5386 | if (!hrrq->allow_interrupts) { |
5387 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); | |
05a6538a | 5388 | return IRQ_NONE; |
5389 | } | |
5390 | ||
5391 | if ((be32_to_cpu(*hrrq->hrrq_curr) & IPR_HRRQ_TOGGLE_BIT) == | |
5392 | hrrq->toggle_bit) | |
5393 | ||
5394 | if (__ipr_process_hrrq(hrrq, &doneq)) | |
5395 | rc = IRQ_HANDLED; | |
5396 | ||
56d6aa33 | 5397 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); |
05a6538a | 5398 | |
5399 | list_for_each_entry_safe(ipr_cmd, temp, &doneq, queue) { | |
5400 | list_del(&ipr_cmd->queue); | |
5401 | del_timer(&ipr_cmd->timer); | |
5402 | ipr_cmd->fast_done(ipr_cmd); | |
5403 | } | |
1da177e4 LT |
5404 | return rc; |
5405 | } | |
5406 | ||
a32c055f WB |
5407 | /** |
5408 | * ipr_build_ioadl64 - Build a scatter/gather list and map the buffer | |
5409 | * @ioa_cfg: ioa config struct | |
5410 | * @ipr_cmd: ipr command struct | |
5411 | * | |
5412 | * Return value: | |
5413 | * 0 on success / -1 on failure | |
5414 | **/ | |
5415 | static int ipr_build_ioadl64(struct ipr_ioa_cfg *ioa_cfg, | |
5416 | struct ipr_cmnd *ipr_cmd) | |
5417 | { | |
5418 | int i, nseg; | |
5419 | struct scatterlist *sg; | |
5420 | u32 length; | |
5421 | u32 ioadl_flags = 0; | |
5422 | struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd; | |
5423 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
5424 | struct ipr_ioadl64_desc *ioadl64 = ipr_cmd->i.ioadl64; | |
5425 | ||
5426 | length = scsi_bufflen(scsi_cmd); | |
5427 | if (!length) | |
5428 | return 0; | |
5429 | ||
5430 | nseg = scsi_dma_map(scsi_cmd); | |
5431 | if (nseg < 0) { | |
51f52a47 AB |
5432 | if (printk_ratelimit()) |
5433 | dev_err(&ioa_cfg->pdev->dev, "pci_map_sg failed!\n"); | |
a32c055f WB |
5434 | return -1; |
5435 | } | |
5436 | ||
5437 | ipr_cmd->dma_use_sg = nseg; | |
5438 | ||
438b0331 | 5439 | ioarcb->data_transfer_length = cpu_to_be32(length); |
b8803b1c WB |
5440 | ioarcb->ioadl_len = |
5441 | cpu_to_be32(sizeof(struct ipr_ioadl64_desc) * ipr_cmd->dma_use_sg); | |
438b0331 | 5442 | |
a32c055f WB |
5443 | if (scsi_cmd->sc_data_direction == DMA_TO_DEVICE) { |
5444 | ioadl_flags = IPR_IOADL_FLAGS_WRITE; | |
5445 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ; | |
5446 | } else if (scsi_cmd->sc_data_direction == DMA_FROM_DEVICE) | |
5447 | ioadl_flags = IPR_IOADL_FLAGS_READ; | |
5448 | ||
5449 | scsi_for_each_sg(scsi_cmd, sg, ipr_cmd->dma_use_sg, i) { | |
5450 | ioadl64[i].flags = cpu_to_be32(ioadl_flags); | |
5451 | ioadl64[i].data_len = cpu_to_be32(sg_dma_len(sg)); | |
5452 | ioadl64[i].address = cpu_to_be64(sg_dma_address(sg)); | |
5453 | } | |
5454 | ||
5455 | ioadl64[i-1].flags |= cpu_to_be32(IPR_IOADL_FLAGS_LAST); | |
5456 | return 0; | |
5457 | } | |
5458 | ||
1da177e4 LT |
5459 | /** |
5460 | * ipr_build_ioadl - Build a scatter/gather list and map the buffer | |
5461 | * @ioa_cfg: ioa config struct | |
5462 | * @ipr_cmd: ipr command struct | |
5463 | * | |
5464 | * Return value: | |
5465 | * 0 on success / -1 on failure | |
5466 | **/ | |
5467 | static int ipr_build_ioadl(struct ipr_ioa_cfg *ioa_cfg, | |
5468 | struct ipr_cmnd *ipr_cmd) | |
5469 | { | |
63015bc9 FT |
5470 | int i, nseg; |
5471 | struct scatterlist *sg; | |
1da177e4 LT |
5472 | u32 length; |
5473 | u32 ioadl_flags = 0; | |
5474 | struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd; | |
5475 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
a32c055f | 5476 | struct ipr_ioadl_desc *ioadl = ipr_cmd->i.ioadl; |
1da177e4 | 5477 | |
63015bc9 FT |
5478 | length = scsi_bufflen(scsi_cmd); |
5479 | if (!length) | |
1da177e4 LT |
5480 | return 0; |
5481 | ||
63015bc9 FT |
5482 | nseg = scsi_dma_map(scsi_cmd); |
5483 | if (nseg < 0) { | |
5484 | dev_err(&ioa_cfg->pdev->dev, "pci_map_sg failed!\n"); | |
5485 | return -1; | |
5486 | } | |
51b1c7e1 | 5487 | |
63015bc9 FT |
5488 | ipr_cmd->dma_use_sg = nseg; |
5489 | ||
5490 | if (scsi_cmd->sc_data_direction == DMA_TO_DEVICE) { | |
5491 | ioadl_flags = IPR_IOADL_FLAGS_WRITE; | |
5492 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ; | |
a32c055f WB |
5493 | ioarcb->data_transfer_length = cpu_to_be32(length); |
5494 | ioarcb->ioadl_len = | |
63015bc9 FT |
5495 | cpu_to_be32(sizeof(struct ipr_ioadl_desc) * ipr_cmd->dma_use_sg); |
5496 | } else if (scsi_cmd->sc_data_direction == DMA_FROM_DEVICE) { | |
5497 | ioadl_flags = IPR_IOADL_FLAGS_READ; | |
5498 | ioarcb->read_data_transfer_length = cpu_to_be32(length); | |
5499 | ioarcb->read_ioadl_len = | |
5500 | cpu_to_be32(sizeof(struct ipr_ioadl_desc) * ipr_cmd->dma_use_sg); | |
5501 | } | |
1da177e4 | 5502 | |
a32c055f WB |
5503 | if (ipr_cmd->dma_use_sg <= ARRAY_SIZE(ioarcb->u.add_data.u.ioadl)) { |
5504 | ioadl = ioarcb->u.add_data.u.ioadl; | |
5505 | ioarcb->write_ioadl_addr = cpu_to_be32((ipr_cmd->dma_addr) + | |
5506 | offsetof(struct ipr_ioarcb, u.add_data)); | |
63015bc9 FT |
5507 | ioarcb->read_ioadl_addr = ioarcb->write_ioadl_addr; |
5508 | } | |
1da177e4 | 5509 | |
63015bc9 FT |
5510 | scsi_for_each_sg(scsi_cmd, sg, ipr_cmd->dma_use_sg, i) { |
5511 | ioadl[i].flags_and_data_len = | |
5512 | cpu_to_be32(ioadl_flags | sg_dma_len(sg)); | |
5513 | ioadl[i].address = cpu_to_be32(sg_dma_address(sg)); | |
1da177e4 LT |
5514 | } |
5515 | ||
63015bc9 FT |
5516 | ioadl[i-1].flags_and_data_len |= cpu_to_be32(IPR_IOADL_FLAGS_LAST); |
5517 | return 0; | |
1da177e4 LT |
5518 | } |
5519 | ||
5520 | /** | |
5521 | * ipr_get_task_attributes - Translate SPI Q-Tag to task attributes | |
5522 | * @scsi_cmd: scsi command struct | |
5523 | * | |
5524 | * Return value: | |
5525 | * task attributes | |
5526 | **/ | |
5527 | static u8 ipr_get_task_attributes(struct scsi_cmnd *scsi_cmd) | |
5528 | { | |
5529 | u8 tag[2]; | |
5530 | u8 rc = IPR_FLAGS_LO_UNTAGGED_TASK; | |
5531 | ||
5532 | if (scsi_populate_tag_msg(scsi_cmd, tag)) { | |
5533 | switch (tag[0]) { | |
5534 | case MSG_SIMPLE_TAG: | |
5535 | rc = IPR_FLAGS_LO_SIMPLE_TASK; | |
5536 | break; | |
5537 | case MSG_HEAD_TAG: | |
5538 | rc = IPR_FLAGS_LO_HEAD_OF_Q_TASK; | |
5539 | break; | |
5540 | case MSG_ORDERED_TAG: | |
5541 | rc = IPR_FLAGS_LO_ORDERED_TASK; | |
5542 | break; | |
5543 | }; | |
5544 | } | |
5545 | ||
5546 | return rc; | |
5547 | } | |
5548 | ||
5549 | /** | |
5550 | * ipr_erp_done - Process completion of ERP for a device | |
5551 | * @ipr_cmd: ipr command struct | |
5552 | * | |
5553 | * This function copies the sense buffer into the scsi_cmd | |
5554 | * struct and pushes the scsi_done function. | |
5555 | * | |
5556 | * Return value: | |
5557 | * nothing | |
5558 | **/ | |
5559 | static void ipr_erp_done(struct ipr_cmnd *ipr_cmd) | |
5560 | { | |
5561 | struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd; | |
5562 | struct ipr_resource_entry *res = scsi_cmd->device->hostdata; | |
96d21f00 | 5563 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
1da177e4 LT |
5564 | |
5565 | if (IPR_IOASC_SENSE_KEY(ioasc) > 0) { | |
5566 | scsi_cmd->result |= (DID_ERROR << 16); | |
fb3ed3cb BK |
5567 | scmd_printk(KERN_ERR, scsi_cmd, |
5568 | "Request Sense failed with IOASC: 0x%08X\n", ioasc); | |
1da177e4 LT |
5569 | } else { |
5570 | memcpy(scsi_cmd->sense_buffer, ipr_cmd->sense_buffer, | |
5571 | SCSI_SENSE_BUFFERSIZE); | |
5572 | } | |
5573 | ||
5574 | if (res) { | |
ee0a90fa BK |
5575 | if (!ipr_is_naca_model(res)) |
5576 | res->needs_sync_complete = 1; | |
1da177e4 LT |
5577 | res->in_erp = 0; |
5578 | } | |
63015bc9 | 5579 | scsi_dma_unmap(ipr_cmd->scsi_cmd); |
05a6538a | 5580 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
1da177e4 LT |
5581 | scsi_cmd->scsi_done(scsi_cmd); |
5582 | } | |
5583 | ||
5584 | /** | |
5585 | * ipr_reinit_ipr_cmnd_for_erp - Re-initialize a cmnd block to be used for ERP | |
5586 | * @ipr_cmd: ipr command struct | |
5587 | * | |
5588 | * Return value: | |
5589 | * none | |
5590 | **/ | |
5591 | static void ipr_reinit_ipr_cmnd_for_erp(struct ipr_cmnd *ipr_cmd) | |
5592 | { | |
51b1c7e1 | 5593 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; |
96d21f00 | 5594 | struct ipr_ioasa *ioasa = &ipr_cmd->s.ioasa; |
a32c055f | 5595 | dma_addr_t dma_addr = ipr_cmd->dma_addr; |
1da177e4 LT |
5596 | |
5597 | memset(&ioarcb->cmd_pkt, 0, sizeof(struct ipr_cmd_pkt)); | |
a32c055f | 5598 | ioarcb->data_transfer_length = 0; |
1da177e4 | 5599 | ioarcb->read_data_transfer_length = 0; |
a32c055f | 5600 | ioarcb->ioadl_len = 0; |
1da177e4 | 5601 | ioarcb->read_ioadl_len = 0; |
96d21f00 WB |
5602 | ioasa->hdr.ioasc = 0; |
5603 | ioasa->hdr.residual_data_len = 0; | |
a32c055f WB |
5604 | |
5605 | if (ipr_cmd->ioa_cfg->sis64) | |
5606 | ioarcb->u.sis64_addr_data.data_ioadl_addr = | |
5607 | cpu_to_be64(dma_addr + offsetof(struct ipr_cmnd, i.ioadl64)); | |
5608 | else { | |
5609 | ioarcb->write_ioadl_addr = | |
5610 | cpu_to_be32(dma_addr + offsetof(struct ipr_cmnd, i.ioadl)); | |
5611 | ioarcb->read_ioadl_addr = ioarcb->write_ioadl_addr; | |
5612 | } | |
1da177e4 LT |
5613 | } |
5614 | ||
5615 | /** | |
5616 | * ipr_erp_request_sense - Send request sense to a device | |
5617 | * @ipr_cmd: ipr command struct | |
5618 | * | |
5619 | * This function sends a request sense to a device as a result | |
5620 | * of a check condition. | |
5621 | * | |
5622 | * Return value: | |
5623 | * nothing | |
5624 | **/ | |
5625 | static void ipr_erp_request_sense(struct ipr_cmnd *ipr_cmd) | |
5626 | { | |
5627 | struct ipr_cmd_pkt *cmd_pkt = &ipr_cmd->ioarcb.cmd_pkt; | |
96d21f00 | 5628 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
1da177e4 LT |
5629 | |
5630 | if (IPR_IOASC_SENSE_KEY(ioasc) > 0) { | |
5631 | ipr_erp_done(ipr_cmd); | |
5632 | return; | |
5633 | } | |
5634 | ||
5635 | ipr_reinit_ipr_cmnd_for_erp(ipr_cmd); | |
5636 | ||
5637 | cmd_pkt->request_type = IPR_RQTYPE_SCSICDB; | |
5638 | cmd_pkt->cdb[0] = REQUEST_SENSE; | |
5639 | cmd_pkt->cdb[4] = SCSI_SENSE_BUFFERSIZE; | |
5640 | cmd_pkt->flags_hi |= IPR_FLAGS_HI_SYNC_OVERRIDE; | |
5641 | cmd_pkt->flags_hi |= IPR_FLAGS_HI_NO_ULEN_CHK; | |
5642 | cmd_pkt->timeout = cpu_to_be16(IPR_REQUEST_SENSE_TIMEOUT / HZ); | |
5643 | ||
a32c055f WB |
5644 | ipr_init_ioadl(ipr_cmd, ipr_cmd->sense_buffer_dma, |
5645 | SCSI_SENSE_BUFFERSIZE, IPR_IOADL_FLAGS_READ_LAST); | |
1da177e4 LT |
5646 | |
5647 | ipr_do_req(ipr_cmd, ipr_erp_done, ipr_timeout, | |
5648 | IPR_REQUEST_SENSE_TIMEOUT * 2); | |
5649 | } | |
5650 | ||
5651 | /** | |
5652 | * ipr_erp_cancel_all - Send cancel all to a device | |
5653 | * @ipr_cmd: ipr command struct | |
5654 | * | |
5655 | * This function sends a cancel all to a device to clear the | |
5656 | * queue. If we are running TCQ on the device, QERR is set to 1, | |
5657 | * which means all outstanding ops have been dropped on the floor. | |
5658 | * Cancel all will return them to us. | |
5659 | * | |
5660 | * Return value: | |
5661 | * nothing | |
5662 | **/ | |
5663 | static void ipr_erp_cancel_all(struct ipr_cmnd *ipr_cmd) | |
5664 | { | |
5665 | struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd; | |
5666 | struct ipr_resource_entry *res = scsi_cmd->device->hostdata; | |
5667 | struct ipr_cmd_pkt *cmd_pkt; | |
5668 | ||
5669 | res->in_erp = 1; | |
5670 | ||
5671 | ipr_reinit_ipr_cmnd_for_erp(ipr_cmd); | |
5672 | ||
5673 | if (!scsi_get_tag_type(scsi_cmd->device)) { | |
5674 | ipr_erp_request_sense(ipr_cmd); | |
5675 | return; | |
5676 | } | |
5677 | ||
5678 | cmd_pkt = &ipr_cmd->ioarcb.cmd_pkt; | |
5679 | cmd_pkt->request_type = IPR_RQTYPE_IOACMD; | |
5680 | cmd_pkt->cdb[0] = IPR_CANCEL_ALL_REQUESTS; | |
5681 | ||
5682 | ipr_do_req(ipr_cmd, ipr_erp_request_sense, ipr_timeout, | |
5683 | IPR_CANCEL_ALL_TIMEOUT); | |
5684 | } | |
5685 | ||
5686 | /** | |
5687 | * ipr_dump_ioasa - Dump contents of IOASA | |
5688 | * @ioa_cfg: ioa config struct | |
5689 | * @ipr_cmd: ipr command struct | |
fe964d0a | 5690 | * @res: resource entry struct |
1da177e4 LT |
5691 | * |
5692 | * This function is invoked by the interrupt handler when ops | |
5693 | * fail. It will log the IOASA if appropriate. Only called | |
5694 | * for GPDD ops. | |
5695 | * | |
5696 | * Return value: | |
5697 | * none | |
5698 | **/ | |
5699 | static void ipr_dump_ioasa(struct ipr_ioa_cfg *ioa_cfg, | |
fe964d0a | 5700 | struct ipr_cmnd *ipr_cmd, struct ipr_resource_entry *res) |
1da177e4 LT |
5701 | { |
5702 | int i; | |
5703 | u16 data_len; | |
b0692dd4 | 5704 | u32 ioasc, fd_ioasc; |
96d21f00 | 5705 | struct ipr_ioasa *ioasa = &ipr_cmd->s.ioasa; |
1da177e4 LT |
5706 | __be32 *ioasa_data = (__be32 *)ioasa; |
5707 | int error_index; | |
5708 | ||
96d21f00 WB |
5709 | ioasc = be32_to_cpu(ioasa->hdr.ioasc) & IPR_IOASC_IOASC_MASK; |
5710 | fd_ioasc = be32_to_cpu(ioasa->hdr.fd_ioasc) & IPR_IOASC_IOASC_MASK; | |
1da177e4 LT |
5711 | |
5712 | if (0 == ioasc) | |
5713 | return; | |
5714 | ||
5715 | if (ioa_cfg->log_level < IPR_DEFAULT_LOG_LEVEL) | |
5716 | return; | |
5717 | ||
b0692dd4 BK |
5718 | if (ioasc == IPR_IOASC_BUS_WAS_RESET && fd_ioasc) |
5719 | error_index = ipr_get_error(fd_ioasc); | |
5720 | else | |
5721 | error_index = ipr_get_error(ioasc); | |
1da177e4 LT |
5722 | |
5723 | if (ioa_cfg->log_level < IPR_MAX_LOG_LEVEL) { | |
5724 | /* Don't log an error if the IOA already logged one */ | |
96d21f00 | 5725 | if (ioasa->hdr.ilid != 0) |
1da177e4 LT |
5726 | return; |
5727 | ||
cc9bd5d4 BK |
5728 | if (!ipr_is_gscsi(res)) |
5729 | return; | |
5730 | ||
1da177e4 LT |
5731 | if (ipr_error_table[error_index].log_ioasa == 0) |
5732 | return; | |
5733 | } | |
5734 | ||
fe964d0a | 5735 | ipr_res_err(ioa_cfg, res, "%s\n", ipr_error_table[error_index].error); |
1da177e4 | 5736 | |
96d21f00 WB |
5737 | data_len = be16_to_cpu(ioasa->hdr.ret_stat_len); |
5738 | if (ioa_cfg->sis64 && sizeof(struct ipr_ioasa64) < data_len) | |
5739 | data_len = sizeof(struct ipr_ioasa64); | |
5740 | else if (!ioa_cfg->sis64 && sizeof(struct ipr_ioasa) < data_len) | |
1da177e4 | 5741 | data_len = sizeof(struct ipr_ioasa); |
1da177e4 LT |
5742 | |
5743 | ipr_err("IOASA Dump:\n"); | |
5744 | ||
5745 | for (i = 0; i < data_len / 4; i += 4) { | |
5746 | ipr_err("%08X: %08X %08X %08X %08X\n", i*4, | |
5747 | be32_to_cpu(ioasa_data[i]), | |
5748 | be32_to_cpu(ioasa_data[i+1]), | |
5749 | be32_to_cpu(ioasa_data[i+2]), | |
5750 | be32_to_cpu(ioasa_data[i+3])); | |
5751 | } | |
5752 | } | |
5753 | ||
5754 | /** | |
5755 | * ipr_gen_sense - Generate SCSI sense data from an IOASA | |
5756 | * @ioasa: IOASA | |
5757 | * @sense_buf: sense data buffer | |
5758 | * | |
5759 | * Return value: | |
5760 | * none | |
5761 | **/ | |
5762 | static void ipr_gen_sense(struct ipr_cmnd *ipr_cmd) | |
5763 | { | |
5764 | u32 failing_lba; | |
5765 | u8 *sense_buf = ipr_cmd->scsi_cmd->sense_buffer; | |
5766 | struct ipr_resource_entry *res = ipr_cmd->scsi_cmd->device->hostdata; | |
96d21f00 WB |
5767 | struct ipr_ioasa *ioasa = &ipr_cmd->s.ioasa; |
5768 | u32 ioasc = be32_to_cpu(ioasa->hdr.ioasc); | |
1da177e4 LT |
5769 | |
5770 | memset(sense_buf, 0, SCSI_SENSE_BUFFERSIZE); | |
5771 | ||
5772 | if (ioasc >= IPR_FIRST_DRIVER_IOASC) | |
5773 | return; | |
5774 | ||
5775 | ipr_cmd->scsi_cmd->result = SAM_STAT_CHECK_CONDITION; | |
5776 | ||
5777 | if (ipr_is_vset_device(res) && | |
5778 | ioasc == IPR_IOASC_MED_DO_NOT_REALLOC && | |
5779 | ioasa->u.vset.failing_lba_hi != 0) { | |
5780 | sense_buf[0] = 0x72; | |
5781 | sense_buf[1] = IPR_IOASC_SENSE_KEY(ioasc); | |
5782 | sense_buf[2] = IPR_IOASC_SENSE_CODE(ioasc); | |
5783 | sense_buf[3] = IPR_IOASC_SENSE_QUAL(ioasc); | |
5784 | ||
5785 | sense_buf[7] = 12; | |
5786 | sense_buf[8] = 0; | |
5787 | sense_buf[9] = 0x0A; | |
5788 | sense_buf[10] = 0x80; | |
5789 | ||
5790 | failing_lba = be32_to_cpu(ioasa->u.vset.failing_lba_hi); | |
5791 | ||
5792 | sense_buf[12] = (failing_lba & 0xff000000) >> 24; | |
5793 | sense_buf[13] = (failing_lba & 0x00ff0000) >> 16; | |
5794 | sense_buf[14] = (failing_lba & 0x0000ff00) >> 8; | |
5795 | sense_buf[15] = failing_lba & 0x000000ff; | |
5796 | ||
5797 | failing_lba = be32_to_cpu(ioasa->u.vset.failing_lba_lo); | |
5798 | ||
5799 | sense_buf[16] = (failing_lba & 0xff000000) >> 24; | |
5800 | sense_buf[17] = (failing_lba & 0x00ff0000) >> 16; | |
5801 | sense_buf[18] = (failing_lba & 0x0000ff00) >> 8; | |
5802 | sense_buf[19] = failing_lba & 0x000000ff; | |
5803 | } else { | |
5804 | sense_buf[0] = 0x70; | |
5805 | sense_buf[2] = IPR_IOASC_SENSE_KEY(ioasc); | |
5806 | sense_buf[12] = IPR_IOASC_SENSE_CODE(ioasc); | |
5807 | sense_buf[13] = IPR_IOASC_SENSE_QUAL(ioasc); | |
5808 | ||
5809 | /* Illegal request */ | |
5810 | if ((IPR_IOASC_SENSE_KEY(ioasc) == 0x05) && | |
96d21f00 | 5811 | (be32_to_cpu(ioasa->hdr.ioasc_specific) & IPR_FIELD_POINTER_VALID)) { |
1da177e4 LT |
5812 | sense_buf[7] = 10; /* additional length */ |
5813 | ||
5814 | /* IOARCB was in error */ | |
5815 | if (IPR_IOASC_SENSE_CODE(ioasc) == 0x24) | |
5816 | sense_buf[15] = 0xC0; | |
5817 | else /* Parameter data was invalid */ | |
5818 | sense_buf[15] = 0x80; | |
5819 | ||
5820 | sense_buf[16] = | |
5821 | ((IPR_FIELD_POINTER_MASK & | |
96d21f00 | 5822 | be32_to_cpu(ioasa->hdr.ioasc_specific)) >> 8) & 0xff; |
1da177e4 LT |
5823 | sense_buf[17] = |
5824 | (IPR_FIELD_POINTER_MASK & | |
96d21f00 | 5825 | be32_to_cpu(ioasa->hdr.ioasc_specific)) & 0xff; |
1da177e4 LT |
5826 | } else { |
5827 | if (ioasc == IPR_IOASC_MED_DO_NOT_REALLOC) { | |
5828 | if (ipr_is_vset_device(res)) | |
5829 | failing_lba = be32_to_cpu(ioasa->u.vset.failing_lba_lo); | |
5830 | else | |
5831 | failing_lba = be32_to_cpu(ioasa->u.dasd.failing_lba); | |
5832 | ||
5833 | sense_buf[0] |= 0x80; /* Or in the Valid bit */ | |
5834 | sense_buf[3] = (failing_lba & 0xff000000) >> 24; | |
5835 | sense_buf[4] = (failing_lba & 0x00ff0000) >> 16; | |
5836 | sense_buf[5] = (failing_lba & 0x0000ff00) >> 8; | |
5837 | sense_buf[6] = failing_lba & 0x000000ff; | |
5838 | } | |
5839 | ||
5840 | sense_buf[7] = 6; /* additional length */ | |
5841 | } | |
5842 | } | |
5843 | } | |
5844 | ||
ee0a90fa BK |
5845 | /** |
5846 | * ipr_get_autosense - Copy autosense data to sense buffer | |
5847 | * @ipr_cmd: ipr command struct | |
5848 | * | |
5849 | * This function copies the autosense buffer to the buffer | |
5850 | * in the scsi_cmd, if there is autosense available. | |
5851 | * | |
5852 | * Return value: | |
5853 | * 1 if autosense was available / 0 if not | |
5854 | **/ | |
5855 | static int ipr_get_autosense(struct ipr_cmnd *ipr_cmd) | |
5856 | { | |
96d21f00 WB |
5857 | struct ipr_ioasa *ioasa = &ipr_cmd->s.ioasa; |
5858 | struct ipr_ioasa64 *ioasa64 = &ipr_cmd->s.ioasa64; | |
ee0a90fa | 5859 | |
96d21f00 | 5860 | if ((be32_to_cpu(ioasa->hdr.ioasc_specific) & IPR_AUTOSENSE_VALID) == 0) |
ee0a90fa BK |
5861 | return 0; |
5862 | ||
96d21f00 WB |
5863 | if (ipr_cmd->ioa_cfg->sis64) |
5864 | memcpy(ipr_cmd->scsi_cmd->sense_buffer, ioasa64->auto_sense.data, | |
5865 | min_t(u16, be16_to_cpu(ioasa64->auto_sense.auto_sense_len), | |
5866 | SCSI_SENSE_BUFFERSIZE)); | |
5867 | else | |
5868 | memcpy(ipr_cmd->scsi_cmd->sense_buffer, ioasa->auto_sense.data, | |
5869 | min_t(u16, be16_to_cpu(ioasa->auto_sense.auto_sense_len), | |
5870 | SCSI_SENSE_BUFFERSIZE)); | |
ee0a90fa BK |
5871 | return 1; |
5872 | } | |
5873 | ||
1da177e4 LT |
5874 | /** |
5875 | * ipr_erp_start - Process an error response for a SCSI op | |
5876 | * @ioa_cfg: ioa config struct | |
5877 | * @ipr_cmd: ipr command struct | |
5878 | * | |
5879 | * This function determines whether or not to initiate ERP | |
5880 | * on the affected device. | |
5881 | * | |
5882 | * Return value: | |
5883 | * nothing | |
5884 | **/ | |
5885 | static void ipr_erp_start(struct ipr_ioa_cfg *ioa_cfg, | |
5886 | struct ipr_cmnd *ipr_cmd) | |
5887 | { | |
5888 | struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd; | |
5889 | struct ipr_resource_entry *res = scsi_cmd->device->hostdata; | |
96d21f00 | 5890 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
8a048994 | 5891 | u32 masked_ioasc = ioasc & IPR_IOASC_IOASC_MASK; |
1da177e4 LT |
5892 | |
5893 | if (!res) { | |
5894 | ipr_scsi_eh_done(ipr_cmd); | |
5895 | return; | |
5896 | } | |
5897 | ||
8a048994 | 5898 | if (!ipr_is_gscsi(res) && masked_ioasc != IPR_IOASC_HW_DEV_BUS_STATUS) |
1da177e4 LT |
5899 | ipr_gen_sense(ipr_cmd); |
5900 | ||
cc9bd5d4 BK |
5901 | ipr_dump_ioasa(ioa_cfg, ipr_cmd, res); |
5902 | ||
8a048994 | 5903 | switch (masked_ioasc) { |
1da177e4 | 5904 | case IPR_IOASC_ABORTED_CMD_TERM_BY_HOST: |
ee0a90fa BK |
5905 | if (ipr_is_naca_model(res)) |
5906 | scsi_cmd->result |= (DID_ABORT << 16); | |
5907 | else | |
5908 | scsi_cmd->result |= (DID_IMM_RETRY << 16); | |
1da177e4 LT |
5909 | break; |
5910 | case IPR_IOASC_IR_RESOURCE_HANDLE: | |
b0df54bb | 5911 | case IPR_IOASC_IR_NO_CMDS_TO_2ND_IOA: |
1da177e4 LT |
5912 | scsi_cmd->result |= (DID_NO_CONNECT << 16); |
5913 | break; | |
5914 | case IPR_IOASC_HW_SEL_TIMEOUT: | |
5915 | scsi_cmd->result |= (DID_NO_CONNECT << 16); | |
ee0a90fa BK |
5916 | if (!ipr_is_naca_model(res)) |
5917 | res->needs_sync_complete = 1; | |
1da177e4 LT |
5918 | break; |
5919 | case IPR_IOASC_SYNC_REQUIRED: | |
5920 | if (!res->in_erp) | |
5921 | res->needs_sync_complete = 1; | |
5922 | scsi_cmd->result |= (DID_IMM_RETRY << 16); | |
5923 | break; | |
5924 | case IPR_IOASC_MED_DO_NOT_REALLOC: /* prevent retries */ | |
b0df54bb | 5925 | case IPR_IOASA_IR_DUAL_IOA_DISABLED: |
1da177e4 LT |
5926 | scsi_cmd->result |= (DID_PASSTHROUGH << 16); |
5927 | break; | |
5928 | case IPR_IOASC_BUS_WAS_RESET: | |
5929 | case IPR_IOASC_BUS_WAS_RESET_BY_OTHER: | |
5930 | /* | |
5931 | * Report the bus reset and ask for a retry. The device | |
5932 | * will give CC/UA the next command. | |
5933 | */ | |
5934 | if (!res->resetting_device) | |
5935 | scsi_report_bus_reset(ioa_cfg->host, scsi_cmd->device->channel); | |
5936 | scsi_cmd->result |= (DID_ERROR << 16); | |
ee0a90fa BK |
5937 | if (!ipr_is_naca_model(res)) |
5938 | res->needs_sync_complete = 1; | |
1da177e4 LT |
5939 | break; |
5940 | case IPR_IOASC_HW_DEV_BUS_STATUS: | |
5941 | scsi_cmd->result |= IPR_IOASC_SENSE_STATUS(ioasc); | |
5942 | if (IPR_IOASC_SENSE_STATUS(ioasc) == SAM_STAT_CHECK_CONDITION) { | |
ee0a90fa BK |
5943 | if (!ipr_get_autosense(ipr_cmd)) { |
5944 | if (!ipr_is_naca_model(res)) { | |
5945 | ipr_erp_cancel_all(ipr_cmd); | |
5946 | return; | |
5947 | } | |
5948 | } | |
1da177e4 | 5949 | } |
ee0a90fa BK |
5950 | if (!ipr_is_naca_model(res)) |
5951 | res->needs_sync_complete = 1; | |
1da177e4 LT |
5952 | break; |
5953 | case IPR_IOASC_NR_INIT_CMD_REQUIRED: | |
5954 | break; | |
5955 | default: | |
5b7304fb BK |
5956 | if (IPR_IOASC_SENSE_KEY(ioasc) > RECOVERED_ERROR) |
5957 | scsi_cmd->result |= (DID_ERROR << 16); | |
ee0a90fa | 5958 | if (!ipr_is_vset_device(res) && !ipr_is_naca_model(res)) |
1da177e4 LT |
5959 | res->needs_sync_complete = 1; |
5960 | break; | |
5961 | } | |
5962 | ||
63015bc9 | 5963 | scsi_dma_unmap(ipr_cmd->scsi_cmd); |
05a6538a | 5964 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
1da177e4 LT |
5965 | scsi_cmd->scsi_done(scsi_cmd); |
5966 | } | |
5967 | ||
5968 | /** | |
5969 | * ipr_scsi_done - mid-layer done function | |
5970 | * @ipr_cmd: ipr command struct | |
5971 | * | |
5972 | * This function is invoked by the interrupt handler for | |
5973 | * ops generated by the SCSI mid-layer | |
5974 | * | |
5975 | * Return value: | |
5976 | * none | |
5977 | **/ | |
5978 | static void ipr_scsi_done(struct ipr_cmnd *ipr_cmd) | |
5979 | { | |
5980 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
5981 | struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd; | |
96d21f00 | 5982 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
05a6538a | 5983 | unsigned long hrrq_flags; |
1da177e4 | 5984 | |
96d21f00 | 5985 | scsi_set_resid(scsi_cmd, be32_to_cpu(ipr_cmd->s.ioasa.hdr.residual_data_len)); |
1da177e4 LT |
5986 | |
5987 | if (likely(IPR_IOASC_SENSE_KEY(ioasc) == 0)) { | |
172cd6e1 BK |
5988 | scsi_dma_unmap(scsi_cmd); |
5989 | ||
56d6aa33 | 5990 | spin_lock_irqsave(ipr_cmd->hrrq->lock, hrrq_flags); |
05a6538a | 5991 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
1da177e4 | 5992 | scsi_cmd->scsi_done(scsi_cmd); |
56d6aa33 | 5993 | spin_unlock_irqrestore(ipr_cmd->hrrq->lock, hrrq_flags); |
172cd6e1 | 5994 | } else { |
56d6aa33 | 5995 | spin_lock_irqsave(ipr_cmd->hrrq->lock, hrrq_flags); |
1da177e4 | 5996 | ipr_erp_start(ioa_cfg, ipr_cmd); |
56d6aa33 | 5997 | spin_unlock_irqrestore(ipr_cmd->hrrq->lock, hrrq_flags); |
172cd6e1 | 5998 | } |
1da177e4 LT |
5999 | } |
6000 | ||
1da177e4 LT |
6001 | /** |
6002 | * ipr_queuecommand - Queue a mid-layer request | |
00bfef2c | 6003 | * @shost: scsi host struct |
1da177e4 | 6004 | * @scsi_cmd: scsi command struct |
1da177e4 LT |
6005 | * |
6006 | * This function queues a request generated by the mid-layer. | |
6007 | * | |
6008 | * Return value: | |
6009 | * 0 on success | |
6010 | * SCSI_MLQUEUE_DEVICE_BUSY if device is busy | |
6011 | * SCSI_MLQUEUE_HOST_BUSY if host is busy | |
6012 | **/ | |
00bfef2c BK |
6013 | static int ipr_queuecommand(struct Scsi_Host *shost, |
6014 | struct scsi_cmnd *scsi_cmd) | |
1da177e4 LT |
6015 | { |
6016 | struct ipr_ioa_cfg *ioa_cfg; | |
6017 | struct ipr_resource_entry *res; | |
6018 | struct ipr_ioarcb *ioarcb; | |
6019 | struct ipr_cmnd *ipr_cmd; | |
56d6aa33 | 6020 | unsigned long hrrq_flags, lock_flags; |
d12f1576 | 6021 | int rc; |
05a6538a | 6022 | struct ipr_hrr_queue *hrrq; |
6023 | int hrrq_id; | |
1da177e4 | 6024 | |
00bfef2c BK |
6025 | ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
6026 | ||
1da177e4 | 6027 | scsi_cmd->result = (DID_OK << 16); |
00bfef2c | 6028 | res = scsi_cmd->device->hostdata; |
56d6aa33 | 6029 | |
6030 | if (ipr_is_gata(res) && res->sata_port) { | |
6031 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
6032 | rc = ata_sas_queuecmd(scsi_cmd, res->sata_port->ap); | |
6033 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
6034 | return rc; | |
6035 | } | |
6036 | ||
05a6538a | 6037 | hrrq_id = ipr_get_hrrq_index(ioa_cfg); |
6038 | hrrq = &ioa_cfg->hrrq[hrrq_id]; | |
1da177e4 | 6039 | |
56d6aa33 | 6040 | spin_lock_irqsave(hrrq->lock, hrrq_flags); |
1da177e4 LT |
6041 | /* |
6042 | * We are currently blocking all devices due to a host reset | |
6043 | * We have told the host to stop giving us new requests, but | |
6044 | * ERP ops don't count. FIXME | |
6045 | */ | |
56d6aa33 | 6046 | if (unlikely(!hrrq->allow_cmds && !hrrq->ioa_is_dead)) { |
6047 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); | |
1da177e4 | 6048 | return SCSI_MLQUEUE_HOST_BUSY; |
00bfef2c | 6049 | } |
1da177e4 LT |
6050 | |
6051 | /* | |
6052 | * FIXME - Create scsi_set_host_offline interface | |
6053 | * and the ioa_is_dead check can be removed | |
6054 | */ | |
56d6aa33 | 6055 | if (unlikely(hrrq->ioa_is_dead || !res)) { |
6056 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); | |
00bfef2c | 6057 | goto err_nodev; |
1da177e4 LT |
6058 | } |
6059 | ||
05a6538a | 6060 | ipr_cmd = __ipr_get_free_ipr_cmnd(hrrq); |
6061 | if (ipr_cmd == NULL) { | |
56d6aa33 | 6062 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); |
05a6538a | 6063 | return SCSI_MLQUEUE_HOST_BUSY; |
6064 | } | |
56d6aa33 | 6065 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); |
35a39691 | 6066 | |
172cd6e1 | 6067 | ipr_init_ipr_cmnd(ipr_cmd, ipr_scsi_done); |
1da177e4 | 6068 | ioarcb = &ipr_cmd->ioarcb; |
1da177e4 LT |
6069 | |
6070 | memcpy(ioarcb->cmd_pkt.cdb, scsi_cmd->cmnd, scsi_cmd->cmd_len); | |
6071 | ipr_cmd->scsi_cmd = scsi_cmd; | |
172cd6e1 | 6072 | ipr_cmd->done = ipr_scsi_eh_done; |
1da177e4 LT |
6073 | |
6074 | if (ipr_is_gscsi(res) || ipr_is_vset_device(res)) { | |
6075 | if (scsi_cmd->underflow == 0) | |
6076 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_NO_ULEN_CHK; | |
6077 | ||
1da177e4 | 6078 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_NO_LINK_DESC; |
ab6c10b1 WB |
6079 | if (ipr_is_gscsi(res)) |
6080 | ioarcb->cmd_pkt.flags_lo |= IPR_FLAGS_LO_DELAY_AFTER_RST; | |
1da177e4 LT |
6081 | ioarcb->cmd_pkt.flags_lo |= IPR_FLAGS_LO_ALIGNED_BFR; |
6082 | ioarcb->cmd_pkt.flags_lo |= ipr_get_task_attributes(scsi_cmd); | |
6083 | } | |
6084 | ||
6085 | if (scsi_cmd->cmnd[0] >= 0xC0 && | |
05a6538a | 6086 | (!ipr_is_gscsi(res) || scsi_cmd->cmnd[0] == IPR_QUERY_RSRC_STATE)) { |
1da177e4 | 6087 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_IOACMD; |
05a6538a | 6088 | } |
1da177e4 | 6089 | |
d12f1576 DC |
6090 | if (ioa_cfg->sis64) |
6091 | rc = ipr_build_ioadl64(ioa_cfg, ipr_cmd); | |
6092 | else | |
6093 | rc = ipr_build_ioadl(ioa_cfg, ipr_cmd); | |
1da177e4 | 6094 | |
56d6aa33 | 6095 | spin_lock_irqsave(hrrq->lock, hrrq_flags); |
6096 | if (unlikely(rc || (!hrrq->allow_cmds && !hrrq->ioa_is_dead))) { | |
05a6538a | 6097 | list_add_tail(&ipr_cmd->queue, &hrrq->hrrq_free_q); |
56d6aa33 | 6098 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); |
00bfef2c BK |
6099 | if (!rc) |
6100 | scsi_dma_unmap(scsi_cmd); | |
a5fb407e | 6101 | return SCSI_MLQUEUE_HOST_BUSY; |
1da177e4 LT |
6102 | } |
6103 | ||
56d6aa33 | 6104 | if (unlikely(hrrq->ioa_is_dead)) { |
05a6538a | 6105 | list_add_tail(&ipr_cmd->queue, &hrrq->hrrq_free_q); |
56d6aa33 | 6106 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); |
00bfef2c BK |
6107 | scsi_dma_unmap(scsi_cmd); |
6108 | goto err_nodev; | |
6109 | } | |
6110 | ||
6111 | ioarcb->res_handle = res->res_handle; | |
6112 | if (res->needs_sync_complete) { | |
6113 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_SYNC_COMPLETE; | |
6114 | res->needs_sync_complete = 0; | |
6115 | } | |
05a6538a | 6116 | list_add_tail(&ipr_cmd->queue, &hrrq->hrrq_pending_q); |
00bfef2c | 6117 | ipr_trc_hook(ipr_cmd, IPR_TRACE_START, IPR_GET_RES_PHYS_LOC(res)); |
a5fb407e | 6118 | ipr_send_command(ipr_cmd); |
56d6aa33 | 6119 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); |
1da177e4 | 6120 | return 0; |
1da177e4 | 6121 | |
00bfef2c | 6122 | err_nodev: |
56d6aa33 | 6123 | spin_lock_irqsave(hrrq->lock, hrrq_flags); |
00bfef2c BK |
6124 | memset(scsi_cmd->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); |
6125 | scsi_cmd->result = (DID_NO_CONNECT << 16); | |
6126 | scsi_cmd->scsi_done(scsi_cmd); | |
56d6aa33 | 6127 | spin_unlock_irqrestore(hrrq->lock, hrrq_flags); |
00bfef2c BK |
6128 | return 0; |
6129 | } | |
f281233d | 6130 | |
35a39691 BK |
6131 | /** |
6132 | * ipr_ioctl - IOCTL handler | |
6133 | * @sdev: scsi device struct | |
6134 | * @cmd: IOCTL cmd | |
6135 | * @arg: IOCTL arg | |
6136 | * | |
6137 | * Return value: | |
6138 | * 0 on success / other on failure | |
6139 | **/ | |
bd705f2d | 6140 | static int ipr_ioctl(struct scsi_device *sdev, int cmd, void __user *arg) |
35a39691 BK |
6141 | { |
6142 | struct ipr_resource_entry *res; | |
6143 | ||
6144 | res = (struct ipr_resource_entry *)sdev->hostdata; | |
0ce3a7e5 BK |
6145 | if (res && ipr_is_gata(res)) { |
6146 | if (cmd == HDIO_GET_IDENTITY) | |
6147 | return -ENOTTY; | |
94be9a58 | 6148 | return ata_sas_scsi_ioctl(res->sata_port->ap, sdev, cmd, arg); |
0ce3a7e5 | 6149 | } |
35a39691 BK |
6150 | |
6151 | return -EINVAL; | |
6152 | } | |
6153 | ||
1da177e4 LT |
6154 | /** |
6155 | * ipr_info - Get information about the card/driver | |
6156 | * @scsi_host: scsi host struct | |
6157 | * | |
6158 | * Return value: | |
6159 | * pointer to buffer with description string | |
6160 | **/ | |
203fa3fe | 6161 | static const char *ipr_ioa_info(struct Scsi_Host *host) |
1da177e4 LT |
6162 | { |
6163 | static char buffer[512]; | |
6164 | struct ipr_ioa_cfg *ioa_cfg; | |
6165 | unsigned long lock_flags = 0; | |
6166 | ||
6167 | ioa_cfg = (struct ipr_ioa_cfg *) host->hostdata; | |
6168 | ||
6169 | spin_lock_irqsave(host->host_lock, lock_flags); | |
6170 | sprintf(buffer, "IBM %X Storage Adapter", ioa_cfg->type); | |
6171 | spin_unlock_irqrestore(host->host_lock, lock_flags); | |
6172 | ||
6173 | return buffer; | |
6174 | } | |
6175 | ||
6176 | static struct scsi_host_template driver_template = { | |
6177 | .module = THIS_MODULE, | |
6178 | .name = "IPR", | |
6179 | .info = ipr_ioa_info, | |
35a39691 | 6180 | .ioctl = ipr_ioctl, |
1da177e4 LT |
6181 | .queuecommand = ipr_queuecommand, |
6182 | .eh_abort_handler = ipr_eh_abort, | |
6183 | .eh_device_reset_handler = ipr_eh_dev_reset, | |
6184 | .eh_host_reset_handler = ipr_eh_host_reset, | |
6185 | .slave_alloc = ipr_slave_alloc, | |
6186 | .slave_configure = ipr_slave_configure, | |
6187 | .slave_destroy = ipr_slave_destroy, | |
35a39691 BK |
6188 | .target_alloc = ipr_target_alloc, |
6189 | .target_destroy = ipr_target_destroy, | |
1da177e4 LT |
6190 | .change_queue_depth = ipr_change_queue_depth, |
6191 | .change_queue_type = ipr_change_queue_type, | |
6192 | .bios_param = ipr_biosparam, | |
6193 | .can_queue = IPR_MAX_COMMANDS, | |
6194 | .this_id = -1, | |
6195 | .sg_tablesize = IPR_MAX_SGLIST, | |
6196 | .max_sectors = IPR_IOA_MAX_SECTORS, | |
6197 | .cmd_per_lun = IPR_MAX_CMD_PER_LUN, | |
6198 | .use_clustering = ENABLE_CLUSTERING, | |
6199 | .shost_attrs = ipr_ioa_attrs, | |
6200 | .sdev_attrs = ipr_dev_attrs, | |
6201 | .proc_name = IPR_NAME | |
6202 | }; | |
6203 | ||
35a39691 BK |
6204 | /** |
6205 | * ipr_ata_phy_reset - libata phy_reset handler | |
6206 | * @ap: ata port to reset | |
6207 | * | |
6208 | **/ | |
6209 | static void ipr_ata_phy_reset(struct ata_port *ap) | |
6210 | { | |
6211 | unsigned long flags; | |
6212 | struct ipr_sata_port *sata_port = ap->private_data; | |
6213 | struct ipr_resource_entry *res = sata_port->res; | |
6214 | struct ipr_ioa_cfg *ioa_cfg = sata_port->ioa_cfg; | |
6215 | int rc; | |
6216 | ||
6217 | ENTER; | |
6218 | spin_lock_irqsave(ioa_cfg->host->host_lock, flags); | |
203fa3fe | 6219 | while (ioa_cfg->in_reset_reload) { |
35a39691 BK |
6220 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); |
6221 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
6222 | spin_lock_irqsave(ioa_cfg->host->host_lock, flags); | |
6223 | } | |
6224 | ||
56d6aa33 | 6225 | if (!ioa_cfg->hrrq[IPR_INIT_HRRQ].allow_cmds) |
35a39691 BK |
6226 | goto out_unlock; |
6227 | ||
6228 | rc = ipr_device_reset(ioa_cfg, res); | |
6229 | ||
6230 | if (rc) { | |
3e4ec344 | 6231 | ap->link.device[0].class = ATA_DEV_NONE; |
35a39691 BK |
6232 | goto out_unlock; |
6233 | } | |
6234 | ||
3e7ebdfa WB |
6235 | ap->link.device[0].class = res->ata_class; |
6236 | if (ap->link.device[0].class == ATA_DEV_UNKNOWN) | |
3e4ec344 | 6237 | ap->link.device[0].class = ATA_DEV_NONE; |
35a39691 BK |
6238 | |
6239 | out_unlock: | |
6240 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); | |
6241 | LEAVE; | |
6242 | } | |
6243 | ||
6244 | /** | |
6245 | * ipr_ata_post_internal - Cleanup after an internal command | |
6246 | * @qc: ATA queued command | |
6247 | * | |
6248 | * Return value: | |
6249 | * none | |
6250 | **/ | |
6251 | static void ipr_ata_post_internal(struct ata_queued_cmd *qc) | |
6252 | { | |
6253 | struct ipr_sata_port *sata_port = qc->ap->private_data; | |
6254 | struct ipr_ioa_cfg *ioa_cfg = sata_port->ioa_cfg; | |
6255 | struct ipr_cmnd *ipr_cmd; | |
05a6538a | 6256 | struct ipr_hrr_queue *hrrq; |
35a39691 BK |
6257 | unsigned long flags; |
6258 | ||
6259 | spin_lock_irqsave(ioa_cfg->host->host_lock, flags); | |
203fa3fe | 6260 | while (ioa_cfg->in_reset_reload) { |
73d98ff0 BK |
6261 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); |
6262 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
6263 | spin_lock_irqsave(ioa_cfg->host->host_lock, flags); | |
6264 | } | |
6265 | ||
05a6538a | 6266 | for_each_hrrq(hrrq, ioa_cfg) { |
56d6aa33 | 6267 | spin_lock(&hrrq->_lock); |
05a6538a | 6268 | list_for_each_entry(ipr_cmd, &hrrq->hrrq_pending_q, queue) { |
6269 | if (ipr_cmd->qc == qc) { | |
6270 | ipr_device_reset(ioa_cfg, sata_port->res); | |
6271 | break; | |
6272 | } | |
35a39691 | 6273 | } |
56d6aa33 | 6274 | spin_unlock(&hrrq->_lock); |
35a39691 BK |
6275 | } |
6276 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); | |
6277 | } | |
6278 | ||
35a39691 BK |
6279 | /** |
6280 | * ipr_copy_sata_tf - Copy a SATA taskfile to an IOA data structure | |
6281 | * @regs: destination | |
6282 | * @tf: source ATA taskfile | |
6283 | * | |
6284 | * Return value: | |
6285 | * none | |
6286 | **/ | |
6287 | static void ipr_copy_sata_tf(struct ipr_ioarcb_ata_regs *regs, | |
6288 | struct ata_taskfile *tf) | |
6289 | { | |
6290 | regs->feature = tf->feature; | |
6291 | regs->nsect = tf->nsect; | |
6292 | regs->lbal = tf->lbal; | |
6293 | regs->lbam = tf->lbam; | |
6294 | regs->lbah = tf->lbah; | |
6295 | regs->device = tf->device; | |
6296 | regs->command = tf->command; | |
6297 | regs->hob_feature = tf->hob_feature; | |
6298 | regs->hob_nsect = tf->hob_nsect; | |
6299 | regs->hob_lbal = tf->hob_lbal; | |
6300 | regs->hob_lbam = tf->hob_lbam; | |
6301 | regs->hob_lbah = tf->hob_lbah; | |
6302 | regs->ctl = tf->ctl; | |
6303 | } | |
6304 | ||
6305 | /** | |
6306 | * ipr_sata_done - done function for SATA commands | |
6307 | * @ipr_cmd: ipr command struct | |
6308 | * | |
6309 | * This function is invoked by the interrupt handler for | |
6310 | * ops generated by the SCSI mid-layer to SATA devices | |
6311 | * | |
6312 | * Return value: | |
6313 | * none | |
6314 | **/ | |
6315 | static void ipr_sata_done(struct ipr_cmnd *ipr_cmd) | |
6316 | { | |
6317 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
6318 | struct ata_queued_cmd *qc = ipr_cmd->qc; | |
6319 | struct ipr_sata_port *sata_port = qc->ap->private_data; | |
6320 | struct ipr_resource_entry *res = sata_port->res; | |
96d21f00 | 6321 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
35a39691 | 6322 | |
56d6aa33 | 6323 | spin_lock(&ipr_cmd->hrrq->_lock); |
96d21f00 WB |
6324 | if (ipr_cmd->ioa_cfg->sis64) |
6325 | memcpy(&sata_port->ioasa, &ipr_cmd->s.ioasa64.u.gata, | |
6326 | sizeof(struct ipr_ioasa_gata)); | |
6327 | else | |
6328 | memcpy(&sata_port->ioasa, &ipr_cmd->s.ioasa.u.gata, | |
6329 | sizeof(struct ipr_ioasa_gata)); | |
35a39691 BK |
6330 | ipr_dump_ioasa(ioa_cfg, ipr_cmd, res); |
6331 | ||
96d21f00 | 6332 | if (be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc_specific) & IPR_ATA_DEVICE_WAS_RESET) |
3e7ebdfa | 6333 | scsi_report_device_reset(ioa_cfg->host, res->bus, res->target); |
35a39691 BK |
6334 | |
6335 | if (IPR_IOASC_SENSE_KEY(ioasc) > RECOVERED_ERROR) | |
96d21f00 | 6336 | qc->err_mask |= __ac_err_mask(sata_port->ioasa.status); |
35a39691 | 6337 | else |
96d21f00 | 6338 | qc->err_mask |= ac_err_mask(sata_port->ioasa.status); |
05a6538a | 6339 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
56d6aa33 | 6340 | spin_unlock(&ipr_cmd->hrrq->_lock); |
35a39691 BK |
6341 | ata_qc_complete(qc); |
6342 | } | |
6343 | ||
a32c055f WB |
6344 | /** |
6345 | * ipr_build_ata_ioadl64 - Build an ATA scatter/gather list | |
6346 | * @ipr_cmd: ipr command struct | |
6347 | * @qc: ATA queued command | |
6348 | * | |
6349 | **/ | |
6350 | static void ipr_build_ata_ioadl64(struct ipr_cmnd *ipr_cmd, | |
6351 | struct ata_queued_cmd *qc) | |
6352 | { | |
6353 | u32 ioadl_flags = 0; | |
6354 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
6355 | struct ipr_ioadl64_desc *ioadl64 = ipr_cmd->i.ioadl64; | |
6356 | struct ipr_ioadl64_desc *last_ioadl64 = NULL; | |
6357 | int len = qc->nbytes; | |
6358 | struct scatterlist *sg; | |
6359 | unsigned int si; | |
6360 | dma_addr_t dma_addr = ipr_cmd->dma_addr; | |
6361 | ||
6362 | if (len == 0) | |
6363 | return; | |
6364 | ||
6365 | if (qc->dma_dir == DMA_TO_DEVICE) { | |
6366 | ioadl_flags = IPR_IOADL_FLAGS_WRITE; | |
6367 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ; | |
6368 | } else if (qc->dma_dir == DMA_FROM_DEVICE) | |
6369 | ioadl_flags = IPR_IOADL_FLAGS_READ; | |
6370 | ||
6371 | ioarcb->data_transfer_length = cpu_to_be32(len); | |
6372 | ioarcb->ioadl_len = | |
6373 | cpu_to_be32(sizeof(struct ipr_ioadl64_desc) * ipr_cmd->dma_use_sg); | |
6374 | ioarcb->u.sis64_addr_data.data_ioadl_addr = | |
6375 | cpu_to_be64(dma_addr + offsetof(struct ipr_cmnd, i.ata_ioadl)); | |
6376 | ||
6377 | for_each_sg(qc->sg, sg, qc->n_elem, si) { | |
6378 | ioadl64->flags = cpu_to_be32(ioadl_flags); | |
6379 | ioadl64->data_len = cpu_to_be32(sg_dma_len(sg)); | |
6380 | ioadl64->address = cpu_to_be64(sg_dma_address(sg)); | |
6381 | ||
6382 | last_ioadl64 = ioadl64; | |
6383 | ioadl64++; | |
6384 | } | |
6385 | ||
6386 | if (likely(last_ioadl64)) | |
6387 | last_ioadl64->flags |= cpu_to_be32(IPR_IOADL_FLAGS_LAST); | |
6388 | } | |
6389 | ||
35a39691 BK |
6390 | /** |
6391 | * ipr_build_ata_ioadl - Build an ATA scatter/gather list | |
6392 | * @ipr_cmd: ipr command struct | |
6393 | * @qc: ATA queued command | |
6394 | * | |
6395 | **/ | |
6396 | static void ipr_build_ata_ioadl(struct ipr_cmnd *ipr_cmd, | |
6397 | struct ata_queued_cmd *qc) | |
6398 | { | |
6399 | u32 ioadl_flags = 0; | |
6400 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
a32c055f | 6401 | struct ipr_ioadl_desc *ioadl = ipr_cmd->i.ioadl; |
3be6cbd7 | 6402 | struct ipr_ioadl_desc *last_ioadl = NULL; |
dde20207 | 6403 | int len = qc->nbytes; |
35a39691 | 6404 | struct scatterlist *sg; |
ff2aeb1e | 6405 | unsigned int si; |
35a39691 BK |
6406 | |
6407 | if (len == 0) | |
6408 | return; | |
6409 | ||
6410 | if (qc->dma_dir == DMA_TO_DEVICE) { | |
6411 | ioadl_flags = IPR_IOADL_FLAGS_WRITE; | |
6412 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ; | |
a32c055f WB |
6413 | ioarcb->data_transfer_length = cpu_to_be32(len); |
6414 | ioarcb->ioadl_len = | |
35a39691 BK |
6415 | cpu_to_be32(sizeof(struct ipr_ioadl_desc) * ipr_cmd->dma_use_sg); |
6416 | } else if (qc->dma_dir == DMA_FROM_DEVICE) { | |
6417 | ioadl_flags = IPR_IOADL_FLAGS_READ; | |
6418 | ioarcb->read_data_transfer_length = cpu_to_be32(len); | |
6419 | ioarcb->read_ioadl_len = | |
6420 | cpu_to_be32(sizeof(struct ipr_ioadl_desc) * ipr_cmd->dma_use_sg); | |
6421 | } | |
6422 | ||
ff2aeb1e | 6423 | for_each_sg(qc->sg, sg, qc->n_elem, si) { |
35a39691 BK |
6424 | ioadl->flags_and_data_len = cpu_to_be32(ioadl_flags | sg_dma_len(sg)); |
6425 | ioadl->address = cpu_to_be32(sg_dma_address(sg)); | |
3be6cbd7 JG |
6426 | |
6427 | last_ioadl = ioadl; | |
6428 | ioadl++; | |
35a39691 | 6429 | } |
3be6cbd7 JG |
6430 | |
6431 | if (likely(last_ioadl)) | |
6432 | last_ioadl->flags_and_data_len |= cpu_to_be32(IPR_IOADL_FLAGS_LAST); | |
35a39691 BK |
6433 | } |
6434 | ||
56d6aa33 | 6435 | /** |
6436 | * ipr_qc_defer - Get a free ipr_cmd | |
6437 | * @qc: queued command | |
6438 | * | |
6439 | * Return value: | |
6440 | * 0 if success | |
6441 | **/ | |
6442 | static int ipr_qc_defer(struct ata_queued_cmd *qc) | |
6443 | { | |
6444 | struct ata_port *ap = qc->ap; | |
6445 | struct ipr_sata_port *sata_port = ap->private_data; | |
6446 | struct ipr_ioa_cfg *ioa_cfg = sata_port->ioa_cfg; | |
6447 | struct ipr_cmnd *ipr_cmd; | |
6448 | struct ipr_hrr_queue *hrrq; | |
6449 | int hrrq_id; | |
6450 | ||
6451 | hrrq_id = ipr_get_hrrq_index(ioa_cfg); | |
6452 | hrrq = &ioa_cfg->hrrq[hrrq_id]; | |
6453 | ||
6454 | qc->lldd_task = NULL; | |
6455 | spin_lock(&hrrq->_lock); | |
6456 | if (unlikely(hrrq->ioa_is_dead)) { | |
6457 | spin_unlock(&hrrq->_lock); | |
6458 | return 0; | |
6459 | } | |
6460 | ||
6461 | if (unlikely(!hrrq->allow_cmds)) { | |
6462 | spin_unlock(&hrrq->_lock); | |
6463 | return ATA_DEFER_LINK; | |
6464 | } | |
6465 | ||
6466 | ipr_cmd = __ipr_get_free_ipr_cmnd(hrrq); | |
6467 | if (ipr_cmd == NULL) { | |
6468 | spin_unlock(&hrrq->_lock); | |
6469 | return ATA_DEFER_LINK; | |
6470 | } | |
6471 | ||
6472 | qc->lldd_task = ipr_cmd; | |
6473 | spin_unlock(&hrrq->_lock); | |
6474 | return 0; | |
6475 | } | |
6476 | ||
35a39691 BK |
6477 | /** |
6478 | * ipr_qc_issue - Issue a SATA qc to a device | |
6479 | * @qc: queued command | |
6480 | * | |
6481 | * Return value: | |
6482 | * 0 if success | |
6483 | **/ | |
6484 | static unsigned int ipr_qc_issue(struct ata_queued_cmd *qc) | |
6485 | { | |
6486 | struct ata_port *ap = qc->ap; | |
6487 | struct ipr_sata_port *sata_port = ap->private_data; | |
6488 | struct ipr_resource_entry *res = sata_port->res; | |
6489 | struct ipr_ioa_cfg *ioa_cfg = sata_port->ioa_cfg; | |
6490 | struct ipr_cmnd *ipr_cmd; | |
6491 | struct ipr_ioarcb *ioarcb; | |
6492 | struct ipr_ioarcb_ata_regs *regs; | |
6493 | ||
56d6aa33 | 6494 | if (qc->lldd_task == NULL) |
6495 | ipr_qc_defer(qc); | |
6496 | ||
6497 | ipr_cmd = qc->lldd_task; | |
6498 | if (ipr_cmd == NULL) | |
0feeed82 | 6499 | return AC_ERR_SYSTEM; |
35a39691 | 6500 | |
56d6aa33 | 6501 | qc->lldd_task = NULL; |
6502 | spin_lock(&ipr_cmd->hrrq->_lock); | |
6503 | if (unlikely(!ipr_cmd->hrrq->allow_cmds || | |
6504 | ipr_cmd->hrrq->ioa_is_dead)) { | |
6505 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); | |
6506 | spin_unlock(&ipr_cmd->hrrq->_lock); | |
6507 | return AC_ERR_SYSTEM; | |
6508 | } | |
6509 | ||
05a6538a | 6510 | ipr_init_ipr_cmnd(ipr_cmd, ipr_lock_and_done); |
35a39691 | 6511 | ioarcb = &ipr_cmd->ioarcb; |
35a39691 | 6512 | |
a32c055f WB |
6513 | if (ioa_cfg->sis64) { |
6514 | regs = &ipr_cmd->i.ata_ioadl.regs; | |
6515 | ioarcb->add_cmd_parms_offset = cpu_to_be16(sizeof(*ioarcb)); | |
6516 | } else | |
6517 | regs = &ioarcb->u.add_data.u.regs; | |
6518 | ||
6519 | memset(regs, 0, sizeof(*regs)); | |
6520 | ioarcb->add_cmd_parms_len = cpu_to_be16(sizeof(*regs)); | |
35a39691 | 6521 | |
56d6aa33 | 6522 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_pending_q); |
35a39691 BK |
6523 | ipr_cmd->qc = qc; |
6524 | ipr_cmd->done = ipr_sata_done; | |
3e7ebdfa | 6525 | ipr_cmd->ioarcb.res_handle = res->res_handle; |
35a39691 BK |
6526 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_ATA_PASSTHRU; |
6527 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_NO_LINK_DESC; | |
6528 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_NO_ULEN_CHK; | |
dde20207 | 6529 | ipr_cmd->dma_use_sg = qc->n_elem; |
35a39691 | 6530 | |
a32c055f WB |
6531 | if (ioa_cfg->sis64) |
6532 | ipr_build_ata_ioadl64(ipr_cmd, qc); | |
6533 | else | |
6534 | ipr_build_ata_ioadl(ipr_cmd, qc); | |
6535 | ||
35a39691 BK |
6536 | regs->flags |= IPR_ATA_FLAG_STATUS_ON_GOOD_COMPLETION; |
6537 | ipr_copy_sata_tf(regs, &qc->tf); | |
6538 | memcpy(ioarcb->cmd_pkt.cdb, qc->cdb, IPR_MAX_CDB_LEN); | |
3e7ebdfa | 6539 | ipr_trc_hook(ipr_cmd, IPR_TRACE_START, IPR_GET_RES_PHYS_LOC(res)); |
35a39691 BK |
6540 | |
6541 | switch (qc->tf.protocol) { | |
6542 | case ATA_PROT_NODATA: | |
6543 | case ATA_PROT_PIO: | |
6544 | break; | |
6545 | ||
6546 | case ATA_PROT_DMA: | |
6547 | regs->flags |= IPR_ATA_FLAG_XFER_TYPE_DMA; | |
6548 | break; | |
6549 | ||
0dc36888 TH |
6550 | case ATAPI_PROT_PIO: |
6551 | case ATAPI_PROT_NODATA: | |
35a39691 BK |
6552 | regs->flags |= IPR_ATA_FLAG_PACKET_CMD; |
6553 | break; | |
6554 | ||
0dc36888 | 6555 | case ATAPI_PROT_DMA: |
35a39691 BK |
6556 | regs->flags |= IPR_ATA_FLAG_PACKET_CMD; |
6557 | regs->flags |= IPR_ATA_FLAG_XFER_TYPE_DMA; | |
6558 | break; | |
6559 | ||
6560 | default: | |
6561 | WARN_ON(1); | |
56d6aa33 | 6562 | spin_unlock(&ipr_cmd->hrrq->_lock); |
0feeed82 | 6563 | return AC_ERR_INVALID; |
35a39691 BK |
6564 | } |
6565 | ||
a32c055f | 6566 | ipr_send_command(ipr_cmd); |
56d6aa33 | 6567 | spin_unlock(&ipr_cmd->hrrq->_lock); |
a32c055f | 6568 | |
35a39691 BK |
6569 | return 0; |
6570 | } | |
6571 | ||
4c9bf4e7 TH |
6572 | /** |
6573 | * ipr_qc_fill_rtf - Read result TF | |
6574 | * @qc: ATA queued command | |
6575 | * | |
6576 | * Return value: | |
6577 | * true | |
6578 | **/ | |
6579 | static bool ipr_qc_fill_rtf(struct ata_queued_cmd *qc) | |
6580 | { | |
6581 | struct ipr_sata_port *sata_port = qc->ap->private_data; | |
6582 | struct ipr_ioasa_gata *g = &sata_port->ioasa; | |
6583 | struct ata_taskfile *tf = &qc->result_tf; | |
6584 | ||
6585 | tf->feature = g->error; | |
6586 | tf->nsect = g->nsect; | |
6587 | tf->lbal = g->lbal; | |
6588 | tf->lbam = g->lbam; | |
6589 | tf->lbah = g->lbah; | |
6590 | tf->device = g->device; | |
6591 | tf->command = g->status; | |
6592 | tf->hob_nsect = g->hob_nsect; | |
6593 | tf->hob_lbal = g->hob_lbal; | |
6594 | tf->hob_lbam = g->hob_lbam; | |
6595 | tf->hob_lbah = g->hob_lbah; | |
6596 | tf->ctl = g->alt_status; | |
6597 | ||
6598 | return true; | |
6599 | } | |
6600 | ||
35a39691 | 6601 | static struct ata_port_operations ipr_sata_ops = { |
35a39691 | 6602 | .phy_reset = ipr_ata_phy_reset, |
a1efdaba | 6603 | .hardreset = ipr_sata_reset, |
35a39691 | 6604 | .post_internal_cmd = ipr_ata_post_internal, |
35a39691 | 6605 | .qc_prep = ata_noop_qc_prep, |
56d6aa33 | 6606 | .qc_defer = ipr_qc_defer, |
35a39691 | 6607 | .qc_issue = ipr_qc_issue, |
4c9bf4e7 | 6608 | .qc_fill_rtf = ipr_qc_fill_rtf, |
35a39691 BK |
6609 | .port_start = ata_sas_port_start, |
6610 | .port_stop = ata_sas_port_stop | |
6611 | }; | |
6612 | ||
6613 | static struct ata_port_info sata_port_info = { | |
9cbe056f | 6614 | .flags = ATA_FLAG_SATA | ATA_FLAG_PIO_DMA, |
0f2e0330 SS |
6615 | .pio_mask = ATA_PIO4_ONLY, |
6616 | .mwdma_mask = ATA_MWDMA2, | |
6617 | .udma_mask = ATA_UDMA6, | |
35a39691 BK |
6618 | .port_ops = &ipr_sata_ops |
6619 | }; | |
6620 | ||
1da177e4 LT |
6621 | #ifdef CONFIG_PPC_PSERIES |
6622 | static const u16 ipr_blocked_processors[] = { | |
d3dbeef6 ME |
6623 | PVR_NORTHSTAR, |
6624 | PVR_PULSAR, | |
6625 | PVR_POWER4, | |
6626 | PVR_ICESTAR, | |
6627 | PVR_SSTAR, | |
6628 | PVR_POWER4p, | |
6629 | PVR_630, | |
6630 | PVR_630p | |
1da177e4 LT |
6631 | }; |
6632 | ||
6633 | /** | |
6634 | * ipr_invalid_adapter - Determine if this adapter is supported on this hardware | |
6635 | * @ioa_cfg: ioa cfg struct | |
6636 | * | |
6637 | * Adapters that use Gemstone revision < 3.1 do not work reliably on | |
6638 | * certain pSeries hardware. This function determines if the given | |
6639 | * adapter is in one of these confgurations or not. | |
6640 | * | |
6641 | * Return value: | |
6642 | * 1 if adapter is not supported / 0 if adapter is supported | |
6643 | **/ | |
6644 | static int ipr_invalid_adapter(struct ipr_ioa_cfg *ioa_cfg) | |
6645 | { | |
1da177e4 LT |
6646 | int i; |
6647 | ||
44c10138 | 6648 | if ((ioa_cfg->type == 0x5702) && (ioa_cfg->pdev->revision < 4)) { |
203fa3fe | 6649 | for (i = 0; i < ARRAY_SIZE(ipr_blocked_processors); i++) { |
d3dbeef6 | 6650 | if (pvr_version_is(ipr_blocked_processors[i])) |
44c10138 | 6651 | return 1; |
1da177e4 LT |
6652 | } |
6653 | } | |
6654 | return 0; | |
6655 | } | |
6656 | #else | |
6657 | #define ipr_invalid_adapter(ioa_cfg) 0 | |
6658 | #endif | |
6659 | ||
6660 | /** | |
6661 | * ipr_ioa_bringdown_done - IOA bring down completion. | |
6662 | * @ipr_cmd: ipr command struct | |
6663 | * | |
6664 | * This function processes the completion of an adapter bring down. | |
6665 | * It wakes any reset sleepers. | |
6666 | * | |
6667 | * Return value: | |
6668 | * IPR_RC_JOB_RETURN | |
6669 | **/ | |
6670 | static int ipr_ioa_bringdown_done(struct ipr_cmnd *ipr_cmd) | |
6671 | { | |
6672 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
6673 | ||
6674 | ENTER; | |
6675 | ioa_cfg->in_reset_reload = 0; | |
6676 | ioa_cfg->reset_retries = 0; | |
05a6538a | 6677 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
1da177e4 LT |
6678 | wake_up_all(&ioa_cfg->reset_wait_q); |
6679 | ||
6680 | spin_unlock_irq(ioa_cfg->host->host_lock); | |
6681 | scsi_unblock_requests(ioa_cfg->host); | |
6682 | spin_lock_irq(ioa_cfg->host->host_lock); | |
6683 | LEAVE; | |
6684 | ||
6685 | return IPR_RC_JOB_RETURN; | |
6686 | } | |
6687 | ||
6688 | /** | |
6689 | * ipr_ioa_reset_done - IOA reset completion. | |
6690 | * @ipr_cmd: ipr command struct | |
6691 | * | |
6692 | * This function processes the completion of an adapter reset. | |
6693 | * It schedules any necessary mid-layer add/removes and | |
6694 | * wakes any reset sleepers. | |
6695 | * | |
6696 | * Return value: | |
6697 | * IPR_RC_JOB_RETURN | |
6698 | **/ | |
6699 | static int ipr_ioa_reset_done(struct ipr_cmnd *ipr_cmd) | |
6700 | { | |
6701 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
6702 | struct ipr_resource_entry *res; | |
6703 | struct ipr_hostrcb *hostrcb, *temp; | |
56d6aa33 | 6704 | int i = 0, j; |
1da177e4 LT |
6705 | |
6706 | ENTER; | |
6707 | ioa_cfg->in_reset_reload = 0; | |
56d6aa33 | 6708 | for (j = 0; j < ioa_cfg->hrrq_num; j++) { |
6709 | spin_lock(&ioa_cfg->hrrq[j]._lock); | |
6710 | ioa_cfg->hrrq[j].allow_cmds = 1; | |
6711 | spin_unlock(&ioa_cfg->hrrq[j]._lock); | |
6712 | } | |
6713 | wmb(); | |
1da177e4 | 6714 | ioa_cfg->reset_cmd = NULL; |
3d1d0da6 | 6715 | ioa_cfg->doorbell |= IPR_RUNTIME_RESET; |
1da177e4 LT |
6716 | |
6717 | list_for_each_entry(res, &ioa_cfg->used_res_q, queue) { | |
6718 | if (ioa_cfg->allow_ml_add_del && (res->add_to_ml || res->del_from_ml)) { | |
6719 | ipr_trace; | |
6720 | break; | |
6721 | } | |
6722 | } | |
6723 | schedule_work(&ioa_cfg->work_q); | |
6724 | ||
6725 | list_for_each_entry_safe(hostrcb, temp, &ioa_cfg->hostrcb_free_q, queue) { | |
6726 | list_del(&hostrcb->queue); | |
6727 | if (i++ < IPR_NUM_LOG_HCAMS) | |
6728 | ipr_send_hcam(ioa_cfg, IPR_HCAM_CDB_OP_CODE_LOG_DATA, hostrcb); | |
6729 | else | |
6730 | ipr_send_hcam(ioa_cfg, IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE, hostrcb); | |
6731 | } | |
6732 | ||
6bb04170 | 6733 | scsi_report_bus_reset(ioa_cfg->host, IPR_VSET_BUS); |
1da177e4 LT |
6734 | dev_info(&ioa_cfg->pdev->dev, "IOA initialized.\n"); |
6735 | ||
6736 | ioa_cfg->reset_retries = 0; | |
05a6538a | 6737 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
1da177e4 LT |
6738 | wake_up_all(&ioa_cfg->reset_wait_q); |
6739 | ||
30237853 | 6740 | spin_unlock(ioa_cfg->host->host_lock); |
1da177e4 | 6741 | scsi_unblock_requests(ioa_cfg->host); |
30237853 | 6742 | spin_lock(ioa_cfg->host->host_lock); |
1da177e4 | 6743 | |
56d6aa33 | 6744 | if (!ioa_cfg->hrrq[IPR_INIT_HRRQ].allow_cmds) |
1da177e4 LT |
6745 | scsi_block_requests(ioa_cfg->host); |
6746 | ||
6747 | LEAVE; | |
6748 | return IPR_RC_JOB_RETURN; | |
6749 | } | |
6750 | ||
6751 | /** | |
6752 | * ipr_set_sup_dev_dflt - Initialize a Set Supported Device buffer | |
6753 | * @supported_dev: supported device struct | |
6754 | * @vpids: vendor product id struct | |
6755 | * | |
6756 | * Return value: | |
6757 | * none | |
6758 | **/ | |
6759 | static void ipr_set_sup_dev_dflt(struct ipr_supported_device *supported_dev, | |
6760 | struct ipr_std_inq_vpids *vpids) | |
6761 | { | |
6762 | memset(supported_dev, 0, sizeof(struct ipr_supported_device)); | |
6763 | memcpy(&supported_dev->vpids, vpids, sizeof(struct ipr_std_inq_vpids)); | |
6764 | supported_dev->num_records = 1; | |
6765 | supported_dev->data_length = | |
6766 | cpu_to_be16(sizeof(struct ipr_supported_device)); | |
6767 | supported_dev->reserved = 0; | |
6768 | } | |
6769 | ||
6770 | /** | |
6771 | * ipr_set_supported_devs - Send Set Supported Devices for a device | |
6772 | * @ipr_cmd: ipr command struct | |
6773 | * | |
a32c055f | 6774 | * This function sends a Set Supported Devices to the adapter |
1da177e4 LT |
6775 | * |
6776 | * Return value: | |
6777 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
6778 | **/ | |
6779 | static int ipr_set_supported_devs(struct ipr_cmnd *ipr_cmd) | |
6780 | { | |
6781 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
6782 | struct ipr_supported_device *supp_dev = &ioa_cfg->vpd_cbs->supp_dev; | |
1da177e4 LT |
6783 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; |
6784 | struct ipr_resource_entry *res = ipr_cmd->u.res; | |
6785 | ||
6786 | ipr_cmd->job_step = ipr_ioa_reset_done; | |
6787 | ||
6788 | list_for_each_entry_continue(res, &ioa_cfg->used_res_q, queue) { | |
e4fbf44e | 6789 | if (!ipr_is_scsi_disk(res)) |
1da177e4 LT |
6790 | continue; |
6791 | ||
6792 | ipr_cmd->u.res = res; | |
3e7ebdfa | 6793 | ipr_set_sup_dev_dflt(supp_dev, &res->std_inq_data.vpids); |
1da177e4 LT |
6794 | |
6795 | ioarcb->res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE); | |
6796 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ; | |
6797 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_IOACMD; | |
6798 | ||
6799 | ioarcb->cmd_pkt.cdb[0] = IPR_SET_SUPPORTED_DEVICES; | |
3e7ebdfa | 6800 | ioarcb->cmd_pkt.cdb[1] = IPR_SET_ALL_SUPPORTED_DEVICES; |
1da177e4 LT |
6801 | ioarcb->cmd_pkt.cdb[7] = (sizeof(struct ipr_supported_device) >> 8) & 0xff; |
6802 | ioarcb->cmd_pkt.cdb[8] = sizeof(struct ipr_supported_device) & 0xff; | |
6803 | ||
a32c055f WB |
6804 | ipr_init_ioadl(ipr_cmd, |
6805 | ioa_cfg->vpd_cbs_dma + | |
6806 | offsetof(struct ipr_misc_cbs, supp_dev), | |
6807 | sizeof(struct ipr_supported_device), | |
6808 | IPR_IOADL_FLAGS_WRITE_LAST); | |
1da177e4 LT |
6809 | |
6810 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, | |
6811 | IPR_SET_SUP_DEVICE_TIMEOUT); | |
6812 | ||
3e7ebdfa WB |
6813 | if (!ioa_cfg->sis64) |
6814 | ipr_cmd->job_step = ipr_set_supported_devs; | |
05a6538a | 6815 | LEAVE; |
1da177e4 LT |
6816 | return IPR_RC_JOB_RETURN; |
6817 | } | |
6818 | ||
05a6538a | 6819 | LEAVE; |
1da177e4 LT |
6820 | return IPR_RC_JOB_CONTINUE; |
6821 | } | |
6822 | ||
6823 | /** | |
6824 | * ipr_get_mode_page - Locate specified mode page | |
6825 | * @mode_pages: mode page buffer | |
6826 | * @page_code: page code to find | |
6827 | * @len: minimum required length for mode page | |
6828 | * | |
6829 | * Return value: | |
6830 | * pointer to mode page / NULL on failure | |
6831 | **/ | |
6832 | static void *ipr_get_mode_page(struct ipr_mode_pages *mode_pages, | |
6833 | u32 page_code, u32 len) | |
6834 | { | |
6835 | struct ipr_mode_page_hdr *mode_hdr; | |
6836 | u32 page_length; | |
6837 | u32 length; | |
6838 | ||
6839 | if (!mode_pages || (mode_pages->hdr.length == 0)) | |
6840 | return NULL; | |
6841 | ||
6842 | length = (mode_pages->hdr.length + 1) - 4 - mode_pages->hdr.block_desc_len; | |
6843 | mode_hdr = (struct ipr_mode_page_hdr *) | |
6844 | (mode_pages->data + mode_pages->hdr.block_desc_len); | |
6845 | ||
6846 | while (length) { | |
6847 | if (IPR_GET_MODE_PAGE_CODE(mode_hdr) == page_code) { | |
6848 | if (mode_hdr->page_length >= (len - sizeof(struct ipr_mode_page_hdr))) | |
6849 | return mode_hdr; | |
6850 | break; | |
6851 | } else { | |
6852 | page_length = (sizeof(struct ipr_mode_page_hdr) + | |
6853 | mode_hdr->page_length); | |
6854 | length -= page_length; | |
6855 | mode_hdr = (struct ipr_mode_page_hdr *) | |
6856 | ((unsigned long)mode_hdr + page_length); | |
6857 | } | |
6858 | } | |
6859 | return NULL; | |
6860 | } | |
6861 | ||
6862 | /** | |
6863 | * ipr_check_term_power - Check for term power errors | |
6864 | * @ioa_cfg: ioa config struct | |
6865 | * @mode_pages: IOAFP mode pages buffer | |
6866 | * | |
6867 | * Check the IOAFP's mode page 28 for term power errors | |
6868 | * | |
6869 | * Return value: | |
6870 | * nothing | |
6871 | **/ | |
6872 | static void ipr_check_term_power(struct ipr_ioa_cfg *ioa_cfg, | |
6873 | struct ipr_mode_pages *mode_pages) | |
6874 | { | |
6875 | int i; | |
6876 | int entry_length; | |
6877 | struct ipr_dev_bus_entry *bus; | |
6878 | struct ipr_mode_page28 *mode_page; | |
6879 | ||
6880 | mode_page = ipr_get_mode_page(mode_pages, 0x28, | |
6881 | sizeof(struct ipr_mode_page28)); | |
6882 | ||
6883 | entry_length = mode_page->entry_length; | |
6884 | ||
6885 | bus = mode_page->bus; | |
6886 | ||
6887 | for (i = 0; i < mode_page->num_entries; i++) { | |
6888 | if (bus->flags & IPR_SCSI_ATTR_NO_TERM_PWR) { | |
6889 | dev_err(&ioa_cfg->pdev->dev, | |
6890 | "Term power is absent on scsi bus %d\n", | |
6891 | bus->res_addr.bus); | |
6892 | } | |
6893 | ||
6894 | bus = (struct ipr_dev_bus_entry *)((char *)bus + entry_length); | |
6895 | } | |
6896 | } | |
6897 | ||
6898 | /** | |
6899 | * ipr_scsi_bus_speed_limit - Limit the SCSI speed based on SES table | |
6900 | * @ioa_cfg: ioa config struct | |
6901 | * | |
6902 | * Looks through the config table checking for SES devices. If | |
6903 | * the SES device is in the SES table indicating a maximum SCSI | |
6904 | * bus speed, the speed is limited for the bus. | |
6905 | * | |
6906 | * Return value: | |
6907 | * none | |
6908 | **/ | |
6909 | static void ipr_scsi_bus_speed_limit(struct ipr_ioa_cfg *ioa_cfg) | |
6910 | { | |
6911 | u32 max_xfer_rate; | |
6912 | int i; | |
6913 | ||
6914 | for (i = 0; i < IPR_MAX_NUM_BUSES; i++) { | |
6915 | max_xfer_rate = ipr_get_max_scsi_speed(ioa_cfg, i, | |
6916 | ioa_cfg->bus_attr[i].bus_width); | |
6917 | ||
6918 | if (max_xfer_rate < ioa_cfg->bus_attr[i].max_xfer_rate) | |
6919 | ioa_cfg->bus_attr[i].max_xfer_rate = max_xfer_rate; | |
6920 | } | |
6921 | } | |
6922 | ||
6923 | /** | |
6924 | * ipr_modify_ioafp_mode_page_28 - Modify IOAFP Mode Page 28 | |
6925 | * @ioa_cfg: ioa config struct | |
6926 | * @mode_pages: mode page 28 buffer | |
6927 | * | |
6928 | * Updates mode page 28 based on driver configuration | |
6929 | * | |
6930 | * Return value: | |
6931 | * none | |
6932 | **/ | |
6933 | static void ipr_modify_ioafp_mode_page_28(struct ipr_ioa_cfg *ioa_cfg, | |
203fa3fe | 6934 | struct ipr_mode_pages *mode_pages) |
1da177e4 LT |
6935 | { |
6936 | int i, entry_length; | |
6937 | struct ipr_dev_bus_entry *bus; | |
6938 | struct ipr_bus_attributes *bus_attr; | |
6939 | struct ipr_mode_page28 *mode_page; | |
6940 | ||
6941 | mode_page = ipr_get_mode_page(mode_pages, 0x28, | |
6942 | sizeof(struct ipr_mode_page28)); | |
6943 | ||
6944 | entry_length = mode_page->entry_length; | |
6945 | ||
6946 | /* Loop for each device bus entry */ | |
6947 | for (i = 0, bus = mode_page->bus; | |
6948 | i < mode_page->num_entries; | |
6949 | i++, bus = (struct ipr_dev_bus_entry *)((u8 *)bus + entry_length)) { | |
6950 | if (bus->res_addr.bus > IPR_MAX_NUM_BUSES) { | |
6951 | dev_err(&ioa_cfg->pdev->dev, | |
6952 | "Invalid resource address reported: 0x%08X\n", | |
6953 | IPR_GET_PHYS_LOC(bus->res_addr)); | |
6954 | continue; | |
6955 | } | |
6956 | ||
6957 | bus_attr = &ioa_cfg->bus_attr[i]; | |
6958 | bus->extended_reset_delay = IPR_EXTENDED_RESET_DELAY; | |
6959 | bus->bus_width = bus_attr->bus_width; | |
6960 | bus->max_xfer_rate = cpu_to_be32(bus_attr->max_xfer_rate); | |
6961 | bus->flags &= ~IPR_SCSI_ATTR_QAS_MASK; | |
6962 | if (bus_attr->qas_enabled) | |
6963 | bus->flags |= IPR_SCSI_ATTR_ENABLE_QAS; | |
6964 | else | |
6965 | bus->flags |= IPR_SCSI_ATTR_DISABLE_QAS; | |
6966 | } | |
6967 | } | |
6968 | ||
6969 | /** | |
6970 | * ipr_build_mode_select - Build a mode select command | |
6971 | * @ipr_cmd: ipr command struct | |
6972 | * @res_handle: resource handle to send command to | |
6973 | * @parm: Byte 2 of Mode Sense command | |
6974 | * @dma_addr: DMA buffer address | |
6975 | * @xfer_len: data transfer length | |
6976 | * | |
6977 | * Return value: | |
6978 | * none | |
6979 | **/ | |
6980 | static void ipr_build_mode_select(struct ipr_cmnd *ipr_cmd, | |
a32c055f WB |
6981 | __be32 res_handle, u8 parm, |
6982 | dma_addr_t dma_addr, u8 xfer_len) | |
1da177e4 | 6983 | { |
1da177e4 LT |
6984 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; |
6985 | ||
6986 | ioarcb->res_handle = res_handle; | |
6987 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_SCSICDB; | |
6988 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ; | |
6989 | ioarcb->cmd_pkt.cdb[0] = MODE_SELECT; | |
6990 | ioarcb->cmd_pkt.cdb[1] = parm; | |
6991 | ioarcb->cmd_pkt.cdb[4] = xfer_len; | |
6992 | ||
a32c055f | 6993 | ipr_init_ioadl(ipr_cmd, dma_addr, xfer_len, IPR_IOADL_FLAGS_WRITE_LAST); |
1da177e4 LT |
6994 | } |
6995 | ||
6996 | /** | |
6997 | * ipr_ioafp_mode_select_page28 - Issue Mode Select Page 28 to IOA | |
6998 | * @ipr_cmd: ipr command struct | |
6999 | * | |
7000 | * This function sets up the SCSI bus attributes and sends | |
7001 | * a Mode Select for Page 28 to activate them. | |
7002 | * | |
7003 | * Return value: | |
7004 | * IPR_RC_JOB_RETURN | |
7005 | **/ | |
7006 | static int ipr_ioafp_mode_select_page28(struct ipr_cmnd *ipr_cmd) | |
7007 | { | |
7008 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7009 | struct ipr_mode_pages *mode_pages = &ioa_cfg->vpd_cbs->mode_pages; | |
7010 | int length; | |
7011 | ||
7012 | ENTER; | |
4733804c BK |
7013 | ipr_scsi_bus_speed_limit(ioa_cfg); |
7014 | ipr_check_term_power(ioa_cfg, mode_pages); | |
7015 | ipr_modify_ioafp_mode_page_28(ioa_cfg, mode_pages); | |
7016 | length = mode_pages->hdr.length + 1; | |
7017 | mode_pages->hdr.length = 0; | |
1da177e4 LT |
7018 | |
7019 | ipr_build_mode_select(ipr_cmd, cpu_to_be32(IPR_IOA_RES_HANDLE), 0x11, | |
7020 | ioa_cfg->vpd_cbs_dma + offsetof(struct ipr_misc_cbs, mode_pages), | |
7021 | length); | |
7022 | ||
f72919ec WB |
7023 | ipr_cmd->job_step = ipr_set_supported_devs; |
7024 | ipr_cmd->u.res = list_entry(ioa_cfg->used_res_q.next, | |
7025 | struct ipr_resource_entry, queue); | |
1da177e4 LT |
7026 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, IPR_INTERNAL_TIMEOUT); |
7027 | ||
7028 | LEAVE; | |
7029 | return IPR_RC_JOB_RETURN; | |
7030 | } | |
7031 | ||
7032 | /** | |
7033 | * ipr_build_mode_sense - Builds a mode sense command | |
7034 | * @ipr_cmd: ipr command struct | |
7035 | * @res: resource entry struct | |
7036 | * @parm: Byte 2 of mode sense command | |
7037 | * @dma_addr: DMA address of mode sense buffer | |
7038 | * @xfer_len: Size of DMA buffer | |
7039 | * | |
7040 | * Return value: | |
7041 | * none | |
7042 | **/ | |
7043 | static void ipr_build_mode_sense(struct ipr_cmnd *ipr_cmd, | |
7044 | __be32 res_handle, | |
a32c055f | 7045 | u8 parm, dma_addr_t dma_addr, u8 xfer_len) |
1da177e4 | 7046 | { |
1da177e4 LT |
7047 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; |
7048 | ||
7049 | ioarcb->res_handle = res_handle; | |
7050 | ioarcb->cmd_pkt.cdb[0] = MODE_SENSE; | |
7051 | ioarcb->cmd_pkt.cdb[2] = parm; | |
7052 | ioarcb->cmd_pkt.cdb[4] = xfer_len; | |
7053 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_SCSICDB; | |
7054 | ||
a32c055f | 7055 | ipr_init_ioadl(ipr_cmd, dma_addr, xfer_len, IPR_IOADL_FLAGS_READ_LAST); |
1da177e4 LT |
7056 | } |
7057 | ||
dfed823e BK |
7058 | /** |
7059 | * ipr_reset_cmd_failed - Handle failure of IOA reset command | |
7060 | * @ipr_cmd: ipr command struct | |
7061 | * | |
7062 | * This function handles the failure of an IOA bringup command. | |
7063 | * | |
7064 | * Return value: | |
7065 | * IPR_RC_JOB_RETURN | |
7066 | **/ | |
7067 | static int ipr_reset_cmd_failed(struct ipr_cmnd *ipr_cmd) | |
7068 | { | |
7069 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
96d21f00 | 7070 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
dfed823e BK |
7071 | |
7072 | dev_err(&ioa_cfg->pdev->dev, | |
7073 | "0x%02X failed with IOASC: 0x%08X\n", | |
7074 | ipr_cmd->ioarcb.cmd_pkt.cdb[0], ioasc); | |
7075 | ||
7076 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); | |
05a6538a | 7077 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
dfed823e BK |
7078 | return IPR_RC_JOB_RETURN; |
7079 | } | |
7080 | ||
7081 | /** | |
7082 | * ipr_reset_mode_sense_failed - Handle failure of IOAFP mode sense | |
7083 | * @ipr_cmd: ipr command struct | |
7084 | * | |
7085 | * This function handles the failure of a Mode Sense to the IOAFP. | |
7086 | * Some adapters do not handle all mode pages. | |
7087 | * | |
7088 | * Return value: | |
7089 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
7090 | **/ | |
7091 | static int ipr_reset_mode_sense_failed(struct ipr_cmnd *ipr_cmd) | |
7092 | { | |
f72919ec | 7093 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; |
96d21f00 | 7094 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
dfed823e BK |
7095 | |
7096 | if (ioasc == IPR_IOASC_IR_INVALID_REQ_TYPE_OR_PKT) { | |
f72919ec WB |
7097 | ipr_cmd->job_step = ipr_set_supported_devs; |
7098 | ipr_cmd->u.res = list_entry(ioa_cfg->used_res_q.next, | |
7099 | struct ipr_resource_entry, queue); | |
dfed823e BK |
7100 | return IPR_RC_JOB_CONTINUE; |
7101 | } | |
7102 | ||
7103 | return ipr_reset_cmd_failed(ipr_cmd); | |
7104 | } | |
7105 | ||
1da177e4 LT |
7106 | /** |
7107 | * ipr_ioafp_mode_sense_page28 - Issue Mode Sense Page 28 to IOA | |
7108 | * @ipr_cmd: ipr command struct | |
7109 | * | |
7110 | * This function send a Page 28 mode sense to the IOA to | |
7111 | * retrieve SCSI bus attributes. | |
7112 | * | |
7113 | * Return value: | |
7114 | * IPR_RC_JOB_RETURN | |
7115 | **/ | |
7116 | static int ipr_ioafp_mode_sense_page28(struct ipr_cmnd *ipr_cmd) | |
7117 | { | |
7118 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7119 | ||
7120 | ENTER; | |
7121 | ipr_build_mode_sense(ipr_cmd, cpu_to_be32(IPR_IOA_RES_HANDLE), | |
7122 | 0x28, ioa_cfg->vpd_cbs_dma + | |
7123 | offsetof(struct ipr_misc_cbs, mode_pages), | |
7124 | sizeof(struct ipr_mode_pages)); | |
7125 | ||
7126 | ipr_cmd->job_step = ipr_ioafp_mode_select_page28; | |
dfed823e | 7127 | ipr_cmd->job_step_failed = ipr_reset_mode_sense_failed; |
1da177e4 LT |
7128 | |
7129 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, IPR_INTERNAL_TIMEOUT); | |
7130 | ||
7131 | LEAVE; | |
7132 | return IPR_RC_JOB_RETURN; | |
7133 | } | |
7134 | ||
ac09c349 BK |
7135 | /** |
7136 | * ipr_ioafp_mode_select_page24 - Issue Mode Select to IOA | |
7137 | * @ipr_cmd: ipr command struct | |
7138 | * | |
7139 | * This function enables dual IOA RAID support if possible. | |
7140 | * | |
7141 | * Return value: | |
7142 | * IPR_RC_JOB_RETURN | |
7143 | **/ | |
7144 | static int ipr_ioafp_mode_select_page24(struct ipr_cmnd *ipr_cmd) | |
7145 | { | |
7146 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7147 | struct ipr_mode_pages *mode_pages = &ioa_cfg->vpd_cbs->mode_pages; | |
7148 | struct ipr_mode_page24 *mode_page; | |
7149 | int length; | |
7150 | ||
7151 | ENTER; | |
7152 | mode_page = ipr_get_mode_page(mode_pages, 0x24, | |
7153 | sizeof(struct ipr_mode_page24)); | |
7154 | ||
7155 | if (mode_page) | |
7156 | mode_page->flags |= IPR_ENABLE_DUAL_IOA_AF; | |
7157 | ||
7158 | length = mode_pages->hdr.length + 1; | |
7159 | mode_pages->hdr.length = 0; | |
7160 | ||
7161 | ipr_build_mode_select(ipr_cmd, cpu_to_be32(IPR_IOA_RES_HANDLE), 0x11, | |
7162 | ioa_cfg->vpd_cbs_dma + offsetof(struct ipr_misc_cbs, mode_pages), | |
7163 | length); | |
7164 | ||
7165 | ipr_cmd->job_step = ipr_ioafp_mode_sense_page28; | |
7166 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, IPR_INTERNAL_TIMEOUT); | |
7167 | ||
7168 | LEAVE; | |
7169 | return IPR_RC_JOB_RETURN; | |
7170 | } | |
7171 | ||
7172 | /** | |
7173 | * ipr_reset_mode_sense_page24_failed - Handle failure of IOAFP mode sense | |
7174 | * @ipr_cmd: ipr command struct | |
7175 | * | |
7176 | * This function handles the failure of a Mode Sense to the IOAFP. | |
7177 | * Some adapters do not handle all mode pages. | |
7178 | * | |
7179 | * Return value: | |
7180 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
7181 | **/ | |
7182 | static int ipr_reset_mode_sense_page24_failed(struct ipr_cmnd *ipr_cmd) | |
7183 | { | |
96d21f00 | 7184 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
ac09c349 BK |
7185 | |
7186 | if (ioasc == IPR_IOASC_IR_INVALID_REQ_TYPE_OR_PKT) { | |
7187 | ipr_cmd->job_step = ipr_ioafp_mode_sense_page28; | |
7188 | return IPR_RC_JOB_CONTINUE; | |
7189 | } | |
7190 | ||
7191 | return ipr_reset_cmd_failed(ipr_cmd); | |
7192 | } | |
7193 | ||
7194 | /** | |
7195 | * ipr_ioafp_mode_sense_page24 - Issue Page 24 Mode Sense to IOA | |
7196 | * @ipr_cmd: ipr command struct | |
7197 | * | |
7198 | * This function send a mode sense to the IOA to retrieve | |
7199 | * the IOA Advanced Function Control mode page. | |
7200 | * | |
7201 | * Return value: | |
7202 | * IPR_RC_JOB_RETURN | |
7203 | **/ | |
7204 | static int ipr_ioafp_mode_sense_page24(struct ipr_cmnd *ipr_cmd) | |
7205 | { | |
7206 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7207 | ||
7208 | ENTER; | |
7209 | ipr_build_mode_sense(ipr_cmd, cpu_to_be32(IPR_IOA_RES_HANDLE), | |
7210 | 0x24, ioa_cfg->vpd_cbs_dma + | |
7211 | offsetof(struct ipr_misc_cbs, mode_pages), | |
7212 | sizeof(struct ipr_mode_pages)); | |
7213 | ||
7214 | ipr_cmd->job_step = ipr_ioafp_mode_select_page24; | |
7215 | ipr_cmd->job_step_failed = ipr_reset_mode_sense_page24_failed; | |
7216 | ||
7217 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, IPR_INTERNAL_TIMEOUT); | |
7218 | ||
7219 | LEAVE; | |
7220 | return IPR_RC_JOB_RETURN; | |
7221 | } | |
7222 | ||
1da177e4 LT |
7223 | /** |
7224 | * ipr_init_res_table - Initialize the resource table | |
7225 | * @ipr_cmd: ipr command struct | |
7226 | * | |
7227 | * This function looks through the existing resource table, comparing | |
7228 | * it with the config table. This function will take care of old/new | |
7229 | * devices and schedule adding/removing them from the mid-layer | |
7230 | * as appropriate. | |
7231 | * | |
7232 | * Return value: | |
7233 | * IPR_RC_JOB_CONTINUE | |
7234 | **/ | |
7235 | static int ipr_init_res_table(struct ipr_cmnd *ipr_cmd) | |
7236 | { | |
7237 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7238 | struct ipr_resource_entry *res, *temp; | |
3e7ebdfa WB |
7239 | struct ipr_config_table_entry_wrapper cfgtew; |
7240 | int entries, found, flag, i; | |
1da177e4 LT |
7241 | LIST_HEAD(old_res); |
7242 | ||
7243 | ENTER; | |
3e7ebdfa WB |
7244 | if (ioa_cfg->sis64) |
7245 | flag = ioa_cfg->u.cfg_table64->hdr64.flags; | |
7246 | else | |
7247 | flag = ioa_cfg->u.cfg_table->hdr.flags; | |
7248 | ||
7249 | if (flag & IPR_UCODE_DOWNLOAD_REQ) | |
1da177e4 LT |
7250 | dev_err(&ioa_cfg->pdev->dev, "Microcode download required\n"); |
7251 | ||
7252 | list_for_each_entry_safe(res, temp, &ioa_cfg->used_res_q, queue) | |
7253 | list_move_tail(&res->queue, &old_res); | |
7254 | ||
3e7ebdfa | 7255 | if (ioa_cfg->sis64) |
438b0331 | 7256 | entries = be16_to_cpu(ioa_cfg->u.cfg_table64->hdr64.num_entries); |
3e7ebdfa WB |
7257 | else |
7258 | entries = ioa_cfg->u.cfg_table->hdr.num_entries; | |
7259 | ||
7260 | for (i = 0; i < entries; i++) { | |
7261 | if (ioa_cfg->sis64) | |
7262 | cfgtew.u.cfgte64 = &ioa_cfg->u.cfg_table64->dev[i]; | |
7263 | else | |
7264 | cfgtew.u.cfgte = &ioa_cfg->u.cfg_table->dev[i]; | |
1da177e4 LT |
7265 | found = 0; |
7266 | ||
7267 | list_for_each_entry_safe(res, temp, &old_res, queue) { | |
3e7ebdfa | 7268 | if (ipr_is_same_device(res, &cfgtew)) { |
1da177e4 LT |
7269 | list_move_tail(&res->queue, &ioa_cfg->used_res_q); |
7270 | found = 1; | |
7271 | break; | |
7272 | } | |
7273 | } | |
7274 | ||
7275 | if (!found) { | |
7276 | if (list_empty(&ioa_cfg->free_res_q)) { | |
7277 | dev_err(&ioa_cfg->pdev->dev, "Too many devices attached\n"); | |
7278 | break; | |
7279 | } | |
7280 | ||
7281 | found = 1; | |
7282 | res = list_entry(ioa_cfg->free_res_q.next, | |
7283 | struct ipr_resource_entry, queue); | |
7284 | list_move_tail(&res->queue, &ioa_cfg->used_res_q); | |
3e7ebdfa | 7285 | ipr_init_res_entry(res, &cfgtew); |
1da177e4 | 7286 | res->add_to_ml = 1; |
56115598 WB |
7287 | } else if (res->sdev && (ipr_is_vset_device(res) || ipr_is_scsi_disk(res))) |
7288 | res->sdev->allow_restart = 1; | |
1da177e4 LT |
7289 | |
7290 | if (found) | |
3e7ebdfa | 7291 | ipr_update_res_entry(res, &cfgtew); |
1da177e4 LT |
7292 | } |
7293 | ||
7294 | list_for_each_entry_safe(res, temp, &old_res, queue) { | |
7295 | if (res->sdev) { | |
7296 | res->del_from_ml = 1; | |
3e7ebdfa | 7297 | res->res_handle = IPR_INVALID_RES_HANDLE; |
1da177e4 | 7298 | list_move_tail(&res->queue, &ioa_cfg->used_res_q); |
1da177e4 LT |
7299 | } |
7300 | } | |
7301 | ||
3e7ebdfa WB |
7302 | list_for_each_entry_safe(res, temp, &old_res, queue) { |
7303 | ipr_clear_res_target(res); | |
7304 | list_move_tail(&res->queue, &ioa_cfg->free_res_q); | |
7305 | } | |
7306 | ||
ac09c349 BK |
7307 | if (ioa_cfg->dual_raid && ipr_dual_ioa_raid) |
7308 | ipr_cmd->job_step = ipr_ioafp_mode_sense_page24; | |
7309 | else | |
7310 | ipr_cmd->job_step = ipr_ioafp_mode_sense_page28; | |
1da177e4 LT |
7311 | |
7312 | LEAVE; | |
7313 | return IPR_RC_JOB_CONTINUE; | |
7314 | } | |
7315 | ||
7316 | /** | |
7317 | * ipr_ioafp_query_ioa_cfg - Send a Query IOA Config to the adapter. | |
7318 | * @ipr_cmd: ipr command struct | |
7319 | * | |
7320 | * This function sends a Query IOA Configuration command | |
7321 | * to the adapter to retrieve the IOA configuration table. | |
7322 | * | |
7323 | * Return value: | |
7324 | * IPR_RC_JOB_RETURN | |
7325 | **/ | |
7326 | static int ipr_ioafp_query_ioa_cfg(struct ipr_cmnd *ipr_cmd) | |
7327 | { | |
7328 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7329 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
1da177e4 | 7330 | struct ipr_inquiry_page3 *ucode_vpd = &ioa_cfg->vpd_cbs->page3_data; |
ac09c349 | 7331 | struct ipr_inquiry_cap *cap = &ioa_cfg->vpd_cbs->cap; |
1da177e4 LT |
7332 | |
7333 | ENTER; | |
ac09c349 BK |
7334 | if (cap->cap & IPR_CAP_DUAL_IOA_RAID) |
7335 | ioa_cfg->dual_raid = 1; | |
1da177e4 LT |
7336 | dev_info(&ioa_cfg->pdev->dev, "Adapter firmware version: %02X%02X%02X%02X\n", |
7337 | ucode_vpd->major_release, ucode_vpd->card_type, | |
7338 | ucode_vpd->minor_release[0], ucode_vpd->minor_release[1]); | |
7339 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_IOACMD; | |
7340 | ioarcb->res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE); | |
7341 | ||
7342 | ioarcb->cmd_pkt.cdb[0] = IPR_QUERY_IOA_CONFIG; | |
438b0331 | 7343 | ioarcb->cmd_pkt.cdb[6] = (ioa_cfg->cfg_table_size >> 16) & 0xff; |
3e7ebdfa WB |
7344 | ioarcb->cmd_pkt.cdb[7] = (ioa_cfg->cfg_table_size >> 8) & 0xff; |
7345 | ioarcb->cmd_pkt.cdb[8] = ioa_cfg->cfg_table_size & 0xff; | |
1da177e4 | 7346 | |
3e7ebdfa | 7347 | ipr_init_ioadl(ipr_cmd, ioa_cfg->cfg_table_dma, ioa_cfg->cfg_table_size, |
a32c055f | 7348 | IPR_IOADL_FLAGS_READ_LAST); |
1da177e4 LT |
7349 | |
7350 | ipr_cmd->job_step = ipr_init_res_table; | |
7351 | ||
7352 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, IPR_INTERNAL_TIMEOUT); | |
7353 | ||
7354 | LEAVE; | |
7355 | return IPR_RC_JOB_RETURN; | |
7356 | } | |
7357 | ||
7358 | /** | |
7359 | * ipr_ioafp_inquiry - Send an Inquiry to the adapter. | |
7360 | * @ipr_cmd: ipr command struct | |
7361 | * | |
7362 | * This utility function sends an inquiry to the adapter. | |
7363 | * | |
7364 | * Return value: | |
7365 | * none | |
7366 | **/ | |
7367 | static void ipr_ioafp_inquiry(struct ipr_cmnd *ipr_cmd, u8 flags, u8 page, | |
a32c055f | 7368 | dma_addr_t dma_addr, u8 xfer_len) |
1da177e4 LT |
7369 | { |
7370 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
1da177e4 LT |
7371 | |
7372 | ENTER; | |
7373 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_SCSICDB; | |
7374 | ioarcb->res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE); | |
7375 | ||
7376 | ioarcb->cmd_pkt.cdb[0] = INQUIRY; | |
7377 | ioarcb->cmd_pkt.cdb[1] = flags; | |
7378 | ioarcb->cmd_pkt.cdb[2] = page; | |
7379 | ioarcb->cmd_pkt.cdb[4] = xfer_len; | |
7380 | ||
a32c055f | 7381 | ipr_init_ioadl(ipr_cmd, dma_addr, xfer_len, IPR_IOADL_FLAGS_READ_LAST); |
1da177e4 LT |
7382 | |
7383 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, IPR_INTERNAL_TIMEOUT); | |
7384 | LEAVE; | |
7385 | } | |
7386 | ||
62275040 BK |
7387 | /** |
7388 | * ipr_inquiry_page_supported - Is the given inquiry page supported | |
7389 | * @page0: inquiry page 0 buffer | |
7390 | * @page: page code. | |
7391 | * | |
7392 | * This function determines if the specified inquiry page is supported. | |
7393 | * | |
7394 | * Return value: | |
7395 | * 1 if page is supported / 0 if not | |
7396 | **/ | |
7397 | static int ipr_inquiry_page_supported(struct ipr_inquiry_page0 *page0, u8 page) | |
7398 | { | |
7399 | int i; | |
7400 | ||
7401 | for (i = 0; i < min_t(u8, page0->len, IPR_INQUIRY_PAGE0_ENTRIES); i++) | |
7402 | if (page0->page[i] == page) | |
7403 | return 1; | |
7404 | ||
7405 | return 0; | |
7406 | } | |
7407 | ||
ac09c349 BK |
7408 | /** |
7409 | * ipr_ioafp_cap_inquiry - Send a Page 0xD0 Inquiry to the adapter. | |
7410 | * @ipr_cmd: ipr command struct | |
7411 | * | |
7412 | * This function sends a Page 0xD0 inquiry to the adapter | |
7413 | * to retrieve adapter capabilities. | |
7414 | * | |
7415 | * Return value: | |
7416 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
7417 | **/ | |
7418 | static int ipr_ioafp_cap_inquiry(struct ipr_cmnd *ipr_cmd) | |
7419 | { | |
7420 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7421 | struct ipr_inquiry_page0 *page0 = &ioa_cfg->vpd_cbs->page0_data; | |
7422 | struct ipr_inquiry_cap *cap = &ioa_cfg->vpd_cbs->cap; | |
7423 | ||
7424 | ENTER; | |
7425 | ipr_cmd->job_step = ipr_ioafp_query_ioa_cfg; | |
7426 | memset(cap, 0, sizeof(*cap)); | |
7427 | ||
7428 | if (ipr_inquiry_page_supported(page0, 0xD0)) { | |
7429 | ipr_ioafp_inquiry(ipr_cmd, 1, 0xD0, | |
7430 | ioa_cfg->vpd_cbs_dma + offsetof(struct ipr_misc_cbs, cap), | |
7431 | sizeof(struct ipr_inquiry_cap)); | |
7432 | return IPR_RC_JOB_RETURN; | |
7433 | } | |
7434 | ||
7435 | LEAVE; | |
7436 | return IPR_RC_JOB_CONTINUE; | |
7437 | } | |
7438 | ||
1da177e4 LT |
7439 | /** |
7440 | * ipr_ioafp_page3_inquiry - Send a Page 3 Inquiry to the adapter. | |
7441 | * @ipr_cmd: ipr command struct | |
7442 | * | |
7443 | * This function sends a Page 3 inquiry to the adapter | |
7444 | * to retrieve software VPD information. | |
7445 | * | |
7446 | * Return value: | |
7447 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
7448 | **/ | |
7449 | static int ipr_ioafp_page3_inquiry(struct ipr_cmnd *ipr_cmd) | |
62275040 BK |
7450 | { |
7451 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
62275040 BK |
7452 | |
7453 | ENTER; | |
7454 | ||
ac09c349 | 7455 | ipr_cmd->job_step = ipr_ioafp_cap_inquiry; |
62275040 BK |
7456 | |
7457 | ipr_ioafp_inquiry(ipr_cmd, 1, 3, | |
7458 | ioa_cfg->vpd_cbs_dma + offsetof(struct ipr_misc_cbs, page3_data), | |
7459 | sizeof(struct ipr_inquiry_page3)); | |
7460 | ||
7461 | LEAVE; | |
7462 | return IPR_RC_JOB_RETURN; | |
7463 | } | |
7464 | ||
7465 | /** | |
7466 | * ipr_ioafp_page0_inquiry - Send a Page 0 Inquiry to the adapter. | |
7467 | * @ipr_cmd: ipr command struct | |
7468 | * | |
7469 | * This function sends a Page 0 inquiry to the adapter | |
7470 | * to retrieve supported inquiry pages. | |
7471 | * | |
7472 | * Return value: | |
7473 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
7474 | **/ | |
7475 | static int ipr_ioafp_page0_inquiry(struct ipr_cmnd *ipr_cmd) | |
1da177e4 LT |
7476 | { |
7477 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7478 | char type[5]; | |
7479 | ||
7480 | ENTER; | |
7481 | ||
7482 | /* Grab the type out of the VPD and store it away */ | |
7483 | memcpy(type, ioa_cfg->vpd_cbs->ioa_vpd.std_inq_data.vpids.product_id, 4); | |
7484 | type[4] = '\0'; | |
7485 | ioa_cfg->type = simple_strtoul((char *)type, NULL, 16); | |
7486 | ||
62275040 | 7487 | ipr_cmd->job_step = ipr_ioafp_page3_inquiry; |
1da177e4 | 7488 | |
62275040 BK |
7489 | ipr_ioafp_inquiry(ipr_cmd, 1, 0, |
7490 | ioa_cfg->vpd_cbs_dma + offsetof(struct ipr_misc_cbs, page0_data), | |
7491 | sizeof(struct ipr_inquiry_page0)); | |
1da177e4 LT |
7492 | |
7493 | LEAVE; | |
7494 | return IPR_RC_JOB_RETURN; | |
7495 | } | |
7496 | ||
7497 | /** | |
7498 | * ipr_ioafp_std_inquiry - Send a Standard Inquiry to the adapter. | |
7499 | * @ipr_cmd: ipr command struct | |
7500 | * | |
7501 | * This function sends a standard inquiry to the adapter. | |
7502 | * | |
7503 | * Return value: | |
7504 | * IPR_RC_JOB_RETURN | |
7505 | **/ | |
7506 | static int ipr_ioafp_std_inquiry(struct ipr_cmnd *ipr_cmd) | |
7507 | { | |
7508 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7509 | ||
7510 | ENTER; | |
62275040 | 7511 | ipr_cmd->job_step = ipr_ioafp_page0_inquiry; |
1da177e4 LT |
7512 | |
7513 | ipr_ioafp_inquiry(ipr_cmd, 0, 0, | |
7514 | ioa_cfg->vpd_cbs_dma + offsetof(struct ipr_misc_cbs, ioa_vpd), | |
7515 | sizeof(struct ipr_ioa_vpd)); | |
7516 | ||
7517 | LEAVE; | |
7518 | return IPR_RC_JOB_RETURN; | |
7519 | } | |
7520 | ||
7521 | /** | |
214777ba | 7522 | * ipr_ioafp_identify_hrrq - Send Identify Host RRQ. |
1da177e4 LT |
7523 | * @ipr_cmd: ipr command struct |
7524 | * | |
7525 | * This function send an Identify Host Request Response Queue | |
7526 | * command to establish the HRRQ with the adapter. | |
7527 | * | |
7528 | * Return value: | |
7529 | * IPR_RC_JOB_RETURN | |
7530 | **/ | |
214777ba | 7531 | static int ipr_ioafp_identify_hrrq(struct ipr_cmnd *ipr_cmd) |
1da177e4 LT |
7532 | { |
7533 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7534 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
05a6538a | 7535 | struct ipr_hrr_queue *hrrq; |
1da177e4 LT |
7536 | |
7537 | ENTER; | |
05a6538a | 7538 | ipr_cmd->job_step = ipr_ioafp_std_inquiry; |
1da177e4 LT |
7539 | dev_info(&ioa_cfg->pdev->dev, "Starting IOA initialization sequence.\n"); |
7540 | ||
56d6aa33 | 7541 | if (ioa_cfg->identify_hrrq_index < ioa_cfg->hrrq_num) { |
7542 | hrrq = &ioa_cfg->hrrq[ioa_cfg->identify_hrrq_index]; | |
1da177e4 | 7543 | |
05a6538a | 7544 | ioarcb->cmd_pkt.cdb[0] = IPR_ID_HOST_RR_Q; |
7545 | ioarcb->res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE); | |
1da177e4 | 7546 | |
05a6538a | 7547 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_IOACMD; |
7548 | if (ioa_cfg->sis64) | |
7549 | ioarcb->cmd_pkt.cdb[1] = 0x1; | |
214777ba | 7550 | |
05a6538a | 7551 | if (ioa_cfg->nvectors == 1) |
7552 | ioarcb->cmd_pkt.cdb[1] &= ~IPR_ID_HRRQ_SELE_ENABLE; | |
7553 | else | |
7554 | ioarcb->cmd_pkt.cdb[1] |= IPR_ID_HRRQ_SELE_ENABLE; | |
7555 | ||
7556 | ioarcb->cmd_pkt.cdb[2] = | |
7557 | ((u64) hrrq->host_rrq_dma >> 24) & 0xff; | |
7558 | ioarcb->cmd_pkt.cdb[3] = | |
7559 | ((u64) hrrq->host_rrq_dma >> 16) & 0xff; | |
7560 | ioarcb->cmd_pkt.cdb[4] = | |
7561 | ((u64) hrrq->host_rrq_dma >> 8) & 0xff; | |
7562 | ioarcb->cmd_pkt.cdb[5] = | |
7563 | ((u64) hrrq->host_rrq_dma) & 0xff; | |
7564 | ioarcb->cmd_pkt.cdb[7] = | |
7565 | ((sizeof(u32) * hrrq->size) >> 8) & 0xff; | |
7566 | ioarcb->cmd_pkt.cdb[8] = | |
7567 | (sizeof(u32) * hrrq->size) & 0xff; | |
7568 | ||
7569 | if (ioarcb->cmd_pkt.cdb[1] & IPR_ID_HRRQ_SELE_ENABLE) | |
56d6aa33 | 7570 | ioarcb->cmd_pkt.cdb[9] = |
7571 | ioa_cfg->identify_hrrq_index; | |
1da177e4 | 7572 | |
05a6538a | 7573 | if (ioa_cfg->sis64) { |
7574 | ioarcb->cmd_pkt.cdb[10] = | |
7575 | ((u64) hrrq->host_rrq_dma >> 56) & 0xff; | |
7576 | ioarcb->cmd_pkt.cdb[11] = | |
7577 | ((u64) hrrq->host_rrq_dma >> 48) & 0xff; | |
7578 | ioarcb->cmd_pkt.cdb[12] = | |
7579 | ((u64) hrrq->host_rrq_dma >> 40) & 0xff; | |
7580 | ioarcb->cmd_pkt.cdb[13] = | |
7581 | ((u64) hrrq->host_rrq_dma >> 32) & 0xff; | |
7582 | } | |
7583 | ||
7584 | if (ioarcb->cmd_pkt.cdb[1] & IPR_ID_HRRQ_SELE_ENABLE) | |
56d6aa33 | 7585 | ioarcb->cmd_pkt.cdb[14] = |
7586 | ioa_cfg->identify_hrrq_index; | |
05a6538a | 7587 | |
7588 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, | |
7589 | IPR_INTERNAL_TIMEOUT); | |
7590 | ||
56d6aa33 | 7591 | if (++ioa_cfg->identify_hrrq_index < ioa_cfg->hrrq_num) |
7592 | ipr_cmd->job_step = ipr_ioafp_identify_hrrq; | |
05a6538a | 7593 | |
7594 | LEAVE; | |
7595 | return IPR_RC_JOB_RETURN; | |
05a6538a | 7596 | } |
7597 | ||
1da177e4 | 7598 | LEAVE; |
05a6538a | 7599 | return IPR_RC_JOB_CONTINUE; |
1da177e4 LT |
7600 | } |
7601 | ||
7602 | /** | |
7603 | * ipr_reset_timer_done - Adapter reset timer function | |
7604 | * @ipr_cmd: ipr command struct | |
7605 | * | |
7606 | * Description: This function is used in adapter reset processing | |
7607 | * for timing events. If the reset_cmd pointer in the IOA | |
7608 | * config struct is not this adapter's we are doing nested | |
7609 | * resets and fail_all_ops will take care of freeing the | |
7610 | * command block. | |
7611 | * | |
7612 | * Return value: | |
7613 | * none | |
7614 | **/ | |
7615 | static void ipr_reset_timer_done(struct ipr_cmnd *ipr_cmd) | |
7616 | { | |
7617 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7618 | unsigned long lock_flags = 0; | |
7619 | ||
7620 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
7621 | ||
7622 | if (ioa_cfg->reset_cmd == ipr_cmd) { | |
7623 | list_del(&ipr_cmd->queue); | |
7624 | ipr_cmd->done(ipr_cmd); | |
7625 | } | |
7626 | ||
7627 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
7628 | } | |
7629 | ||
7630 | /** | |
7631 | * ipr_reset_start_timer - Start a timer for adapter reset job | |
7632 | * @ipr_cmd: ipr command struct | |
7633 | * @timeout: timeout value | |
7634 | * | |
7635 | * Description: This function is used in adapter reset processing | |
7636 | * for timing events. If the reset_cmd pointer in the IOA | |
7637 | * config struct is not this adapter's we are doing nested | |
7638 | * resets and fail_all_ops will take care of freeing the | |
7639 | * command block. | |
7640 | * | |
7641 | * Return value: | |
7642 | * none | |
7643 | **/ | |
7644 | static void ipr_reset_start_timer(struct ipr_cmnd *ipr_cmd, | |
7645 | unsigned long timeout) | |
7646 | { | |
05a6538a | 7647 | |
7648 | ENTER; | |
7649 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_pending_q); | |
1da177e4 LT |
7650 | ipr_cmd->done = ipr_reset_ioa_job; |
7651 | ||
7652 | ipr_cmd->timer.data = (unsigned long) ipr_cmd; | |
7653 | ipr_cmd->timer.expires = jiffies + timeout; | |
7654 | ipr_cmd->timer.function = (void (*)(unsigned long))ipr_reset_timer_done; | |
7655 | add_timer(&ipr_cmd->timer); | |
7656 | } | |
7657 | ||
7658 | /** | |
7659 | * ipr_init_ioa_mem - Initialize ioa_cfg control block | |
7660 | * @ioa_cfg: ioa cfg struct | |
7661 | * | |
7662 | * Return value: | |
7663 | * nothing | |
7664 | **/ | |
7665 | static void ipr_init_ioa_mem(struct ipr_ioa_cfg *ioa_cfg) | |
7666 | { | |
05a6538a | 7667 | struct ipr_hrr_queue *hrrq; |
1da177e4 | 7668 | |
05a6538a | 7669 | for_each_hrrq(hrrq, ioa_cfg) { |
56d6aa33 | 7670 | spin_lock(&hrrq->_lock); |
05a6538a | 7671 | memset(hrrq->host_rrq, 0, sizeof(u32) * hrrq->size); |
7672 | ||
7673 | /* Initialize Host RRQ pointers */ | |
7674 | hrrq->hrrq_start = hrrq->host_rrq; | |
7675 | hrrq->hrrq_end = &hrrq->host_rrq[hrrq->size - 1]; | |
7676 | hrrq->hrrq_curr = hrrq->hrrq_start; | |
7677 | hrrq->toggle_bit = 1; | |
56d6aa33 | 7678 | spin_unlock(&hrrq->_lock); |
05a6538a | 7679 | } |
56d6aa33 | 7680 | wmb(); |
05a6538a | 7681 | |
56d6aa33 | 7682 | ioa_cfg->identify_hrrq_index = 0; |
7683 | if (ioa_cfg->hrrq_num == 1) | |
7684 | atomic_set(&ioa_cfg->hrrq_index, 0); | |
7685 | else | |
7686 | atomic_set(&ioa_cfg->hrrq_index, 1); | |
1da177e4 LT |
7687 | |
7688 | /* Zero out config table */ | |
3e7ebdfa | 7689 | memset(ioa_cfg->u.cfg_table, 0, ioa_cfg->cfg_table_size); |
1da177e4 LT |
7690 | } |
7691 | ||
214777ba WB |
7692 | /** |
7693 | * ipr_reset_next_stage - Process IPL stage change based on feedback register. | |
7694 | * @ipr_cmd: ipr command struct | |
7695 | * | |
7696 | * Return value: | |
7697 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
7698 | **/ | |
7699 | static int ipr_reset_next_stage(struct ipr_cmnd *ipr_cmd) | |
7700 | { | |
7701 | unsigned long stage, stage_time; | |
7702 | u32 feedback; | |
7703 | volatile u32 int_reg; | |
7704 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7705 | u64 maskval = 0; | |
7706 | ||
7707 | feedback = readl(ioa_cfg->regs.init_feedback_reg); | |
7708 | stage = feedback & IPR_IPL_INIT_STAGE_MASK; | |
7709 | stage_time = feedback & IPR_IPL_INIT_STAGE_TIME_MASK; | |
7710 | ||
7711 | ipr_dbg("IPL stage = 0x%lx, IPL stage time = %ld\n", stage, stage_time); | |
7712 | ||
7713 | /* sanity check the stage_time value */ | |
438b0331 WB |
7714 | if (stage_time == 0) |
7715 | stage_time = IPR_IPL_INIT_DEFAULT_STAGE_TIME; | |
7716 | else if (stage_time < IPR_IPL_INIT_MIN_STAGE_TIME) | |
214777ba WB |
7717 | stage_time = IPR_IPL_INIT_MIN_STAGE_TIME; |
7718 | else if (stage_time > IPR_LONG_OPERATIONAL_TIMEOUT) | |
7719 | stage_time = IPR_LONG_OPERATIONAL_TIMEOUT; | |
7720 | ||
7721 | if (stage == IPR_IPL_INIT_STAGE_UNKNOWN) { | |
7722 | writel(IPR_PCII_IPL_STAGE_CHANGE, ioa_cfg->regs.set_interrupt_mask_reg); | |
7723 | int_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg); | |
7724 | stage_time = ioa_cfg->transop_timeout; | |
7725 | ipr_cmd->job_step = ipr_ioafp_identify_hrrq; | |
7726 | } else if (stage == IPR_IPL_INIT_STAGE_TRANSOP) { | |
1df79ca4 WB |
7727 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg32); |
7728 | if (int_reg & IPR_PCII_IOA_TRANS_TO_OPER) { | |
7729 | ipr_cmd->job_step = ipr_ioafp_identify_hrrq; | |
7730 | maskval = IPR_PCII_IPL_STAGE_CHANGE; | |
7731 | maskval = (maskval << 32) | IPR_PCII_IOA_TRANS_TO_OPER; | |
7732 | writeq(maskval, ioa_cfg->regs.set_interrupt_mask_reg); | |
7733 | int_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg); | |
7734 | return IPR_RC_JOB_CONTINUE; | |
7735 | } | |
214777ba WB |
7736 | } |
7737 | ||
7738 | ipr_cmd->timer.data = (unsigned long) ipr_cmd; | |
7739 | ipr_cmd->timer.expires = jiffies + stage_time * HZ; | |
7740 | ipr_cmd->timer.function = (void (*)(unsigned long))ipr_oper_timeout; | |
7741 | ipr_cmd->done = ipr_reset_ioa_job; | |
7742 | add_timer(&ipr_cmd->timer); | |
05a6538a | 7743 | |
7744 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_pending_q); | |
214777ba WB |
7745 | |
7746 | return IPR_RC_JOB_RETURN; | |
7747 | } | |
7748 | ||
1da177e4 LT |
7749 | /** |
7750 | * ipr_reset_enable_ioa - Enable the IOA following a reset. | |
7751 | * @ipr_cmd: ipr command struct | |
7752 | * | |
7753 | * This function reinitializes some control blocks and | |
7754 | * enables destructive diagnostics on the adapter. | |
7755 | * | |
7756 | * Return value: | |
7757 | * IPR_RC_JOB_RETURN | |
7758 | **/ | |
7759 | static int ipr_reset_enable_ioa(struct ipr_cmnd *ipr_cmd) | |
7760 | { | |
7761 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7762 | volatile u32 int_reg; | |
7be96900 | 7763 | volatile u64 maskval; |
56d6aa33 | 7764 | int i; |
1da177e4 LT |
7765 | |
7766 | ENTER; | |
214777ba | 7767 | ipr_cmd->job_step = ipr_ioafp_identify_hrrq; |
1da177e4 LT |
7768 | ipr_init_ioa_mem(ioa_cfg); |
7769 | ||
56d6aa33 | 7770 | for (i = 0; i < ioa_cfg->hrrq_num; i++) { |
7771 | spin_lock(&ioa_cfg->hrrq[i]._lock); | |
7772 | ioa_cfg->hrrq[i].allow_interrupts = 1; | |
7773 | spin_unlock(&ioa_cfg->hrrq[i]._lock); | |
7774 | } | |
7775 | wmb(); | |
8701f185 WB |
7776 | if (ioa_cfg->sis64) { |
7777 | /* Set the adapter to the correct endian mode. */ | |
7778 | writel(IPR_ENDIAN_SWAP_KEY, ioa_cfg->regs.endian_swap_reg); | |
7779 | int_reg = readl(ioa_cfg->regs.endian_swap_reg); | |
7780 | } | |
7781 | ||
7be96900 | 7782 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg32); |
1da177e4 LT |
7783 | |
7784 | if (int_reg & IPR_PCII_IOA_TRANS_TO_OPER) { | |
7785 | writel((IPR_PCII_ERROR_INTERRUPTS | IPR_PCII_HRRQ_UPDATED), | |
214777ba | 7786 | ioa_cfg->regs.clr_interrupt_mask_reg32); |
1da177e4 LT |
7787 | int_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg); |
7788 | return IPR_RC_JOB_CONTINUE; | |
7789 | } | |
7790 | ||
7791 | /* Enable destructive diagnostics on IOA */ | |
214777ba WB |
7792 | writel(ioa_cfg->doorbell, ioa_cfg->regs.set_uproc_interrupt_reg32); |
7793 | ||
7be96900 WB |
7794 | if (ioa_cfg->sis64) { |
7795 | maskval = IPR_PCII_IPL_STAGE_CHANGE; | |
7796 | maskval = (maskval << 32) | IPR_PCII_OPER_INTERRUPTS; | |
7797 | writeq(maskval, ioa_cfg->regs.clr_interrupt_mask_reg); | |
7798 | } else | |
7799 | writel(IPR_PCII_OPER_INTERRUPTS, ioa_cfg->regs.clr_interrupt_mask_reg32); | |
1da177e4 | 7800 | |
1da177e4 LT |
7801 | int_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg); |
7802 | ||
7803 | dev_info(&ioa_cfg->pdev->dev, "Initializing IOA.\n"); | |
7804 | ||
214777ba WB |
7805 | if (ioa_cfg->sis64) { |
7806 | ipr_cmd->job_step = ipr_reset_next_stage; | |
7807 | return IPR_RC_JOB_CONTINUE; | |
7808 | } | |
7809 | ||
1da177e4 | 7810 | ipr_cmd->timer.data = (unsigned long) ipr_cmd; |
5469cb5b | 7811 | ipr_cmd->timer.expires = jiffies + (ioa_cfg->transop_timeout * HZ); |
1da177e4 LT |
7812 | ipr_cmd->timer.function = (void (*)(unsigned long))ipr_oper_timeout; |
7813 | ipr_cmd->done = ipr_reset_ioa_job; | |
7814 | add_timer(&ipr_cmd->timer); | |
05a6538a | 7815 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_pending_q); |
1da177e4 LT |
7816 | |
7817 | LEAVE; | |
7818 | return IPR_RC_JOB_RETURN; | |
7819 | } | |
7820 | ||
7821 | /** | |
7822 | * ipr_reset_wait_for_dump - Wait for a dump to timeout. | |
7823 | * @ipr_cmd: ipr command struct | |
7824 | * | |
7825 | * This function is invoked when an adapter dump has run out | |
7826 | * of processing time. | |
7827 | * | |
7828 | * Return value: | |
7829 | * IPR_RC_JOB_CONTINUE | |
7830 | **/ | |
7831 | static int ipr_reset_wait_for_dump(struct ipr_cmnd *ipr_cmd) | |
7832 | { | |
7833 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7834 | ||
7835 | if (ioa_cfg->sdt_state == GET_DUMP) | |
41e9a696 BK |
7836 | ioa_cfg->sdt_state = WAIT_FOR_DUMP; |
7837 | else if (ioa_cfg->sdt_state == READ_DUMP) | |
1da177e4 LT |
7838 | ioa_cfg->sdt_state = ABORT_DUMP; |
7839 | ||
4c647e90 | 7840 | ioa_cfg->dump_timeout = 1; |
1da177e4 LT |
7841 | ipr_cmd->job_step = ipr_reset_alert; |
7842 | ||
7843 | return IPR_RC_JOB_CONTINUE; | |
7844 | } | |
7845 | ||
7846 | /** | |
7847 | * ipr_unit_check_no_data - Log a unit check/no data error log | |
7848 | * @ioa_cfg: ioa config struct | |
7849 | * | |
7850 | * Logs an error indicating the adapter unit checked, but for some | |
7851 | * reason, we were unable to fetch the unit check buffer. | |
7852 | * | |
7853 | * Return value: | |
7854 | * nothing | |
7855 | **/ | |
7856 | static void ipr_unit_check_no_data(struct ipr_ioa_cfg *ioa_cfg) | |
7857 | { | |
7858 | ioa_cfg->errors_logged++; | |
7859 | dev_err(&ioa_cfg->pdev->dev, "IOA unit check with no data\n"); | |
7860 | } | |
7861 | ||
7862 | /** | |
7863 | * ipr_get_unit_check_buffer - Get the unit check buffer from the IOA | |
7864 | * @ioa_cfg: ioa config struct | |
7865 | * | |
7866 | * Fetches the unit check buffer from the adapter by clocking the data | |
7867 | * through the mailbox register. | |
7868 | * | |
7869 | * Return value: | |
7870 | * nothing | |
7871 | **/ | |
7872 | static void ipr_get_unit_check_buffer(struct ipr_ioa_cfg *ioa_cfg) | |
7873 | { | |
7874 | unsigned long mailbox; | |
7875 | struct ipr_hostrcb *hostrcb; | |
7876 | struct ipr_uc_sdt sdt; | |
7877 | int rc, length; | |
65f56475 | 7878 | u32 ioasc; |
1da177e4 LT |
7879 | |
7880 | mailbox = readl(ioa_cfg->ioa_mailbox); | |
7881 | ||
dcbad00e | 7882 | if (!ioa_cfg->sis64 && !ipr_sdt_is_fmt2(mailbox)) { |
1da177e4 LT |
7883 | ipr_unit_check_no_data(ioa_cfg); |
7884 | return; | |
7885 | } | |
7886 | ||
7887 | memset(&sdt, 0, sizeof(struct ipr_uc_sdt)); | |
7888 | rc = ipr_get_ldump_data_section(ioa_cfg, mailbox, (__be32 *) &sdt, | |
7889 | (sizeof(struct ipr_uc_sdt)) / sizeof(__be32)); | |
7890 | ||
dcbad00e WB |
7891 | if (rc || !(sdt.entry[0].flags & IPR_SDT_VALID_ENTRY) || |
7892 | ((be32_to_cpu(sdt.hdr.state) != IPR_FMT3_SDT_READY_TO_USE) && | |
7893 | (be32_to_cpu(sdt.hdr.state) != IPR_FMT2_SDT_READY_TO_USE))) { | |
1da177e4 LT |
7894 | ipr_unit_check_no_data(ioa_cfg); |
7895 | return; | |
7896 | } | |
7897 | ||
7898 | /* Find length of the first sdt entry (UC buffer) */ | |
dcbad00e WB |
7899 | if (be32_to_cpu(sdt.hdr.state) == IPR_FMT3_SDT_READY_TO_USE) |
7900 | length = be32_to_cpu(sdt.entry[0].end_token); | |
7901 | else | |
7902 | length = (be32_to_cpu(sdt.entry[0].end_token) - | |
7903 | be32_to_cpu(sdt.entry[0].start_token)) & | |
7904 | IPR_FMT2_MBX_ADDR_MASK; | |
1da177e4 LT |
7905 | |
7906 | hostrcb = list_entry(ioa_cfg->hostrcb_free_q.next, | |
7907 | struct ipr_hostrcb, queue); | |
7908 | list_del(&hostrcb->queue); | |
7909 | memset(&hostrcb->hcam, 0, sizeof(hostrcb->hcam)); | |
7910 | ||
7911 | rc = ipr_get_ldump_data_section(ioa_cfg, | |
dcbad00e | 7912 | be32_to_cpu(sdt.entry[0].start_token), |
1da177e4 LT |
7913 | (__be32 *)&hostrcb->hcam, |
7914 | min(length, (int)sizeof(hostrcb->hcam)) / sizeof(__be32)); | |
7915 | ||
65f56475 | 7916 | if (!rc) { |
1da177e4 | 7917 | ipr_handle_log_data(ioa_cfg, hostrcb); |
4565e370 | 7918 | ioasc = be32_to_cpu(hostrcb->hcam.u.error.fd_ioasc); |
65f56475 BK |
7919 | if (ioasc == IPR_IOASC_NR_IOA_RESET_REQUIRED && |
7920 | ioa_cfg->sdt_state == GET_DUMP) | |
7921 | ioa_cfg->sdt_state = WAIT_FOR_DUMP; | |
7922 | } else | |
1da177e4 LT |
7923 | ipr_unit_check_no_data(ioa_cfg); |
7924 | ||
7925 | list_add_tail(&hostrcb->queue, &ioa_cfg->hostrcb_free_q); | |
7926 | } | |
7927 | ||
110def85 WB |
7928 | /** |
7929 | * ipr_reset_get_unit_check_job - Call to get the unit check buffer. | |
7930 | * @ipr_cmd: ipr command struct | |
7931 | * | |
7932 | * Description: This function will call to get the unit check buffer. | |
7933 | * | |
7934 | * Return value: | |
7935 | * IPR_RC_JOB_RETURN | |
7936 | **/ | |
7937 | static int ipr_reset_get_unit_check_job(struct ipr_cmnd *ipr_cmd) | |
7938 | { | |
7939 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7940 | ||
7941 | ENTER; | |
7942 | ioa_cfg->ioa_unit_checked = 0; | |
7943 | ipr_get_unit_check_buffer(ioa_cfg); | |
7944 | ipr_cmd->job_step = ipr_reset_alert; | |
7945 | ipr_reset_start_timer(ipr_cmd, 0); | |
7946 | ||
7947 | LEAVE; | |
7948 | return IPR_RC_JOB_RETURN; | |
7949 | } | |
7950 | ||
1da177e4 LT |
7951 | /** |
7952 | * ipr_reset_restore_cfg_space - Restore PCI config space. | |
7953 | * @ipr_cmd: ipr command struct | |
7954 | * | |
7955 | * Description: This function restores the saved PCI config space of | |
7956 | * the adapter, fails all outstanding ops back to the callers, and | |
7957 | * fetches the dump/unit check if applicable to this reset. | |
7958 | * | |
7959 | * Return value: | |
7960 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
7961 | **/ | |
7962 | static int ipr_reset_restore_cfg_space(struct ipr_cmnd *ipr_cmd) | |
7963 | { | |
7964 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
630ad831 | 7965 | u32 int_reg; |
1da177e4 LT |
7966 | |
7967 | ENTER; | |
99c965dd | 7968 | ioa_cfg->pdev->state_saved = true; |
1d3c16a8 | 7969 | pci_restore_state(ioa_cfg->pdev); |
1da177e4 LT |
7970 | |
7971 | if (ipr_set_pcix_cmd_reg(ioa_cfg)) { | |
96d21f00 | 7972 | ipr_cmd->s.ioasa.hdr.ioasc = cpu_to_be32(IPR_IOASC_PCI_ACCESS_ERROR); |
1da177e4 LT |
7973 | return IPR_RC_JOB_CONTINUE; |
7974 | } | |
7975 | ||
7976 | ipr_fail_all_ops(ioa_cfg); | |
7977 | ||
8701f185 WB |
7978 | if (ioa_cfg->sis64) { |
7979 | /* Set the adapter to the correct endian mode. */ | |
7980 | writel(IPR_ENDIAN_SWAP_KEY, ioa_cfg->regs.endian_swap_reg); | |
7981 | int_reg = readl(ioa_cfg->regs.endian_swap_reg); | |
7982 | } | |
7983 | ||
1da177e4 | 7984 | if (ioa_cfg->ioa_unit_checked) { |
110def85 WB |
7985 | if (ioa_cfg->sis64) { |
7986 | ipr_cmd->job_step = ipr_reset_get_unit_check_job; | |
7987 | ipr_reset_start_timer(ipr_cmd, IPR_DUMP_DELAY_TIMEOUT); | |
7988 | return IPR_RC_JOB_RETURN; | |
7989 | } else { | |
7990 | ioa_cfg->ioa_unit_checked = 0; | |
7991 | ipr_get_unit_check_buffer(ioa_cfg); | |
7992 | ipr_cmd->job_step = ipr_reset_alert; | |
7993 | ipr_reset_start_timer(ipr_cmd, 0); | |
7994 | return IPR_RC_JOB_RETURN; | |
7995 | } | |
1da177e4 LT |
7996 | } |
7997 | ||
7998 | if (ioa_cfg->in_ioa_bringdown) { | |
7999 | ipr_cmd->job_step = ipr_ioa_bringdown_done; | |
8000 | } else { | |
8001 | ipr_cmd->job_step = ipr_reset_enable_ioa; | |
8002 | ||
8003 | if (GET_DUMP == ioa_cfg->sdt_state) { | |
41e9a696 | 8004 | ioa_cfg->sdt_state = READ_DUMP; |
4c647e90 | 8005 | ioa_cfg->dump_timeout = 0; |
4d4dd706 KSS |
8006 | if (ioa_cfg->sis64) |
8007 | ipr_reset_start_timer(ipr_cmd, IPR_SIS64_DUMP_TIMEOUT); | |
8008 | else | |
8009 | ipr_reset_start_timer(ipr_cmd, IPR_SIS32_DUMP_TIMEOUT); | |
1da177e4 LT |
8010 | ipr_cmd->job_step = ipr_reset_wait_for_dump; |
8011 | schedule_work(&ioa_cfg->work_q); | |
8012 | return IPR_RC_JOB_RETURN; | |
8013 | } | |
8014 | } | |
8015 | ||
438b0331 | 8016 | LEAVE; |
1da177e4 LT |
8017 | return IPR_RC_JOB_CONTINUE; |
8018 | } | |
8019 | ||
e619e1a7 BK |
8020 | /** |
8021 | * ipr_reset_bist_done - BIST has completed on the adapter. | |
8022 | * @ipr_cmd: ipr command struct | |
8023 | * | |
8024 | * Description: Unblock config space and resume the reset process. | |
8025 | * | |
8026 | * Return value: | |
8027 | * IPR_RC_JOB_CONTINUE | |
8028 | **/ | |
8029 | static int ipr_reset_bist_done(struct ipr_cmnd *ipr_cmd) | |
8030 | { | |
fb51ccbf JK |
8031 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; |
8032 | ||
e619e1a7 | 8033 | ENTER; |
fb51ccbf JK |
8034 | if (ioa_cfg->cfg_locked) |
8035 | pci_cfg_access_unlock(ioa_cfg->pdev); | |
8036 | ioa_cfg->cfg_locked = 0; | |
e619e1a7 BK |
8037 | ipr_cmd->job_step = ipr_reset_restore_cfg_space; |
8038 | LEAVE; | |
8039 | return IPR_RC_JOB_CONTINUE; | |
8040 | } | |
8041 | ||
1da177e4 LT |
8042 | /** |
8043 | * ipr_reset_start_bist - Run BIST on the adapter. | |
8044 | * @ipr_cmd: ipr command struct | |
8045 | * | |
8046 | * Description: This function runs BIST on the adapter, then delays 2 seconds. | |
8047 | * | |
8048 | * Return value: | |
8049 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
8050 | **/ | |
8051 | static int ipr_reset_start_bist(struct ipr_cmnd *ipr_cmd) | |
8052 | { | |
8053 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
cb237ef7 | 8054 | int rc = PCIBIOS_SUCCESSFUL; |
1da177e4 LT |
8055 | |
8056 | ENTER; | |
cb237ef7 WB |
8057 | if (ioa_cfg->ipr_chip->bist_method == IPR_MMIO) |
8058 | writel(IPR_UPROCI_SIS64_START_BIST, | |
8059 | ioa_cfg->regs.set_uproc_interrupt_reg32); | |
8060 | else | |
8061 | rc = pci_write_config_byte(ioa_cfg->pdev, PCI_BIST, PCI_BIST_START); | |
8062 | ||
8063 | if (rc == PCIBIOS_SUCCESSFUL) { | |
e619e1a7 | 8064 | ipr_cmd->job_step = ipr_reset_bist_done; |
1da177e4 LT |
8065 | ipr_reset_start_timer(ipr_cmd, IPR_WAIT_FOR_BIST_TIMEOUT); |
8066 | rc = IPR_RC_JOB_RETURN; | |
cb237ef7 | 8067 | } else { |
fb51ccbf JK |
8068 | if (ioa_cfg->cfg_locked) |
8069 | pci_cfg_access_unlock(ipr_cmd->ioa_cfg->pdev); | |
8070 | ioa_cfg->cfg_locked = 0; | |
cb237ef7 WB |
8071 | ipr_cmd->s.ioasa.hdr.ioasc = cpu_to_be32(IPR_IOASC_PCI_ACCESS_ERROR); |
8072 | rc = IPR_RC_JOB_CONTINUE; | |
1da177e4 LT |
8073 | } |
8074 | ||
8075 | LEAVE; | |
8076 | return rc; | |
8077 | } | |
8078 | ||
463fc696 BK |
8079 | /** |
8080 | * ipr_reset_slot_reset_done - Clear PCI reset to the adapter | |
8081 | * @ipr_cmd: ipr command struct | |
8082 | * | |
8083 | * Description: This clears PCI reset to the adapter and delays two seconds. | |
8084 | * | |
8085 | * Return value: | |
8086 | * IPR_RC_JOB_RETURN | |
8087 | **/ | |
8088 | static int ipr_reset_slot_reset_done(struct ipr_cmnd *ipr_cmd) | |
8089 | { | |
8090 | ENTER; | |
8091 | pci_set_pcie_reset_state(ipr_cmd->ioa_cfg->pdev, pcie_deassert_reset); | |
8092 | ipr_cmd->job_step = ipr_reset_bist_done; | |
8093 | ipr_reset_start_timer(ipr_cmd, IPR_WAIT_FOR_BIST_TIMEOUT); | |
8094 | LEAVE; | |
8095 | return IPR_RC_JOB_RETURN; | |
8096 | } | |
8097 | ||
8098 | /** | |
8099 | * ipr_reset_slot_reset - Reset the PCI slot of the adapter. | |
8100 | * @ipr_cmd: ipr command struct | |
8101 | * | |
8102 | * Description: This asserts PCI reset to the adapter. | |
8103 | * | |
8104 | * Return value: | |
8105 | * IPR_RC_JOB_RETURN | |
8106 | **/ | |
8107 | static int ipr_reset_slot_reset(struct ipr_cmnd *ipr_cmd) | |
8108 | { | |
8109 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
8110 | struct pci_dev *pdev = ioa_cfg->pdev; | |
8111 | ||
8112 | ENTER; | |
463fc696 BK |
8113 | pci_set_pcie_reset_state(pdev, pcie_warm_reset); |
8114 | ipr_cmd->job_step = ipr_reset_slot_reset_done; | |
8115 | ipr_reset_start_timer(ipr_cmd, IPR_PCI_RESET_TIMEOUT); | |
8116 | LEAVE; | |
8117 | return IPR_RC_JOB_RETURN; | |
8118 | } | |
8119 | ||
fb51ccbf JK |
8120 | /** |
8121 | * ipr_reset_block_config_access_wait - Wait for permission to block config access | |
8122 | * @ipr_cmd: ipr command struct | |
8123 | * | |
8124 | * Description: This attempts to block config access to the IOA. | |
8125 | * | |
8126 | * Return value: | |
8127 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
8128 | **/ | |
8129 | static int ipr_reset_block_config_access_wait(struct ipr_cmnd *ipr_cmd) | |
8130 | { | |
8131 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
8132 | int rc = IPR_RC_JOB_CONTINUE; | |
8133 | ||
8134 | if (pci_cfg_access_trylock(ioa_cfg->pdev)) { | |
8135 | ioa_cfg->cfg_locked = 1; | |
8136 | ipr_cmd->job_step = ioa_cfg->reset; | |
8137 | } else { | |
8138 | if (ipr_cmd->u.time_left) { | |
8139 | rc = IPR_RC_JOB_RETURN; | |
8140 | ipr_cmd->u.time_left -= IPR_CHECK_FOR_RESET_TIMEOUT; | |
8141 | ipr_reset_start_timer(ipr_cmd, | |
8142 | IPR_CHECK_FOR_RESET_TIMEOUT); | |
8143 | } else { | |
8144 | ipr_cmd->job_step = ioa_cfg->reset; | |
8145 | dev_err(&ioa_cfg->pdev->dev, | |
8146 | "Timed out waiting to lock config access. Resetting anyway.\n"); | |
8147 | } | |
8148 | } | |
8149 | ||
8150 | return rc; | |
8151 | } | |
8152 | ||
8153 | /** | |
8154 | * ipr_reset_block_config_access - Block config access to the IOA | |
8155 | * @ipr_cmd: ipr command struct | |
8156 | * | |
8157 | * Description: This attempts to block config access to the IOA | |
8158 | * | |
8159 | * Return value: | |
8160 | * IPR_RC_JOB_CONTINUE | |
8161 | **/ | |
8162 | static int ipr_reset_block_config_access(struct ipr_cmnd *ipr_cmd) | |
8163 | { | |
8164 | ipr_cmd->ioa_cfg->cfg_locked = 0; | |
8165 | ipr_cmd->job_step = ipr_reset_block_config_access_wait; | |
8166 | ipr_cmd->u.time_left = IPR_WAIT_FOR_RESET_TIMEOUT; | |
8167 | return IPR_RC_JOB_CONTINUE; | |
8168 | } | |
8169 | ||
1da177e4 LT |
8170 | /** |
8171 | * ipr_reset_allowed - Query whether or not IOA can be reset | |
8172 | * @ioa_cfg: ioa config struct | |
8173 | * | |
8174 | * Return value: | |
8175 | * 0 if reset not allowed / non-zero if reset is allowed | |
8176 | **/ | |
8177 | static int ipr_reset_allowed(struct ipr_ioa_cfg *ioa_cfg) | |
8178 | { | |
8179 | volatile u32 temp_reg; | |
8180 | ||
8181 | temp_reg = readl(ioa_cfg->regs.sense_interrupt_reg); | |
8182 | return ((temp_reg & IPR_PCII_CRITICAL_OPERATION) == 0); | |
8183 | } | |
8184 | ||
8185 | /** | |
8186 | * ipr_reset_wait_to_start_bist - Wait for permission to reset IOA. | |
8187 | * @ipr_cmd: ipr command struct | |
8188 | * | |
8189 | * Description: This function waits for adapter permission to run BIST, | |
8190 | * then runs BIST. If the adapter does not give permission after a | |
8191 | * reasonable time, we will reset the adapter anyway. The impact of | |
8192 | * resetting the adapter without warning the adapter is the risk of | |
8193 | * losing the persistent error log on the adapter. If the adapter is | |
8194 | * reset while it is writing to the flash on the adapter, the flash | |
8195 | * segment will have bad ECC and be zeroed. | |
8196 | * | |
8197 | * Return value: | |
8198 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
8199 | **/ | |
8200 | static int ipr_reset_wait_to_start_bist(struct ipr_cmnd *ipr_cmd) | |
8201 | { | |
8202 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
8203 | int rc = IPR_RC_JOB_RETURN; | |
8204 | ||
8205 | if (!ipr_reset_allowed(ioa_cfg) && ipr_cmd->u.time_left) { | |
8206 | ipr_cmd->u.time_left -= IPR_CHECK_FOR_RESET_TIMEOUT; | |
8207 | ipr_reset_start_timer(ipr_cmd, IPR_CHECK_FOR_RESET_TIMEOUT); | |
8208 | } else { | |
fb51ccbf | 8209 | ipr_cmd->job_step = ipr_reset_block_config_access; |
1da177e4 LT |
8210 | rc = IPR_RC_JOB_CONTINUE; |
8211 | } | |
8212 | ||
8213 | return rc; | |
8214 | } | |
8215 | ||
8216 | /** | |
8701f185 | 8217 | * ipr_reset_alert - Alert the adapter of a pending reset |
1da177e4 LT |
8218 | * @ipr_cmd: ipr command struct |
8219 | * | |
8220 | * Description: This function alerts the adapter that it will be reset. | |
8221 | * If memory space is not currently enabled, proceed directly | |
8222 | * to running BIST on the adapter. The timer must always be started | |
8223 | * so we guarantee we do not run BIST from ipr_isr. | |
8224 | * | |
8225 | * Return value: | |
8226 | * IPR_RC_JOB_RETURN | |
8227 | **/ | |
8228 | static int ipr_reset_alert(struct ipr_cmnd *ipr_cmd) | |
8229 | { | |
8230 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
8231 | u16 cmd_reg; | |
8232 | int rc; | |
8233 | ||
8234 | ENTER; | |
8235 | rc = pci_read_config_word(ioa_cfg->pdev, PCI_COMMAND, &cmd_reg); | |
8236 | ||
8237 | if ((rc == PCIBIOS_SUCCESSFUL) && (cmd_reg & PCI_COMMAND_MEMORY)) { | |
8238 | ipr_mask_and_clear_interrupts(ioa_cfg, ~0); | |
214777ba | 8239 | writel(IPR_UPROCI_RESET_ALERT, ioa_cfg->regs.set_uproc_interrupt_reg32); |
1da177e4 LT |
8240 | ipr_cmd->job_step = ipr_reset_wait_to_start_bist; |
8241 | } else { | |
fb51ccbf | 8242 | ipr_cmd->job_step = ipr_reset_block_config_access; |
1da177e4 LT |
8243 | } |
8244 | ||
8245 | ipr_cmd->u.time_left = IPR_WAIT_FOR_RESET_TIMEOUT; | |
8246 | ipr_reset_start_timer(ipr_cmd, IPR_CHECK_FOR_RESET_TIMEOUT); | |
8247 | ||
8248 | LEAVE; | |
8249 | return IPR_RC_JOB_RETURN; | |
8250 | } | |
8251 | ||
8252 | /** | |
8253 | * ipr_reset_ucode_download_done - Microcode download completion | |
8254 | * @ipr_cmd: ipr command struct | |
8255 | * | |
8256 | * Description: This function unmaps the microcode download buffer. | |
8257 | * | |
8258 | * Return value: | |
8259 | * IPR_RC_JOB_CONTINUE | |
8260 | **/ | |
8261 | static int ipr_reset_ucode_download_done(struct ipr_cmnd *ipr_cmd) | |
8262 | { | |
8263 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
8264 | struct ipr_sglist *sglist = ioa_cfg->ucode_sglist; | |
8265 | ||
8266 | pci_unmap_sg(ioa_cfg->pdev, sglist->scatterlist, | |
8267 | sglist->num_sg, DMA_TO_DEVICE); | |
8268 | ||
8269 | ipr_cmd->job_step = ipr_reset_alert; | |
8270 | return IPR_RC_JOB_CONTINUE; | |
8271 | } | |
8272 | ||
8273 | /** | |
8274 | * ipr_reset_ucode_download - Download microcode to the adapter | |
8275 | * @ipr_cmd: ipr command struct | |
8276 | * | |
8277 | * Description: This function checks to see if it there is microcode | |
8278 | * to download to the adapter. If there is, a download is performed. | |
8279 | * | |
8280 | * Return value: | |
8281 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
8282 | **/ | |
8283 | static int ipr_reset_ucode_download(struct ipr_cmnd *ipr_cmd) | |
8284 | { | |
8285 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
8286 | struct ipr_sglist *sglist = ioa_cfg->ucode_sglist; | |
8287 | ||
8288 | ENTER; | |
8289 | ipr_cmd->job_step = ipr_reset_alert; | |
8290 | ||
8291 | if (!sglist) | |
8292 | return IPR_RC_JOB_CONTINUE; | |
8293 | ||
8294 | ipr_cmd->ioarcb.res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE); | |
8295 | ipr_cmd->ioarcb.cmd_pkt.request_type = IPR_RQTYPE_SCSICDB; | |
8296 | ipr_cmd->ioarcb.cmd_pkt.cdb[0] = WRITE_BUFFER; | |
8297 | ipr_cmd->ioarcb.cmd_pkt.cdb[1] = IPR_WR_BUF_DOWNLOAD_AND_SAVE; | |
8298 | ipr_cmd->ioarcb.cmd_pkt.cdb[6] = (sglist->buffer_len & 0xff0000) >> 16; | |
8299 | ipr_cmd->ioarcb.cmd_pkt.cdb[7] = (sglist->buffer_len & 0x00ff00) >> 8; | |
8300 | ipr_cmd->ioarcb.cmd_pkt.cdb[8] = sglist->buffer_len & 0x0000ff; | |
8301 | ||
a32c055f WB |
8302 | if (ioa_cfg->sis64) |
8303 | ipr_build_ucode_ioadl64(ipr_cmd, sglist); | |
8304 | else | |
8305 | ipr_build_ucode_ioadl(ipr_cmd, sglist); | |
1da177e4 LT |
8306 | ipr_cmd->job_step = ipr_reset_ucode_download_done; |
8307 | ||
8308 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, | |
8309 | IPR_WRITE_BUFFER_TIMEOUT); | |
8310 | ||
8311 | LEAVE; | |
8312 | return IPR_RC_JOB_RETURN; | |
8313 | } | |
8314 | ||
8315 | /** | |
8316 | * ipr_reset_shutdown_ioa - Shutdown the adapter | |
8317 | * @ipr_cmd: ipr command struct | |
8318 | * | |
8319 | * Description: This function issues an adapter shutdown of the | |
8320 | * specified type to the specified adapter as part of the | |
8321 | * adapter reset job. | |
8322 | * | |
8323 | * Return value: | |
8324 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
8325 | **/ | |
8326 | static int ipr_reset_shutdown_ioa(struct ipr_cmnd *ipr_cmd) | |
8327 | { | |
8328 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
8329 | enum ipr_shutdown_type shutdown_type = ipr_cmd->u.shutdown_type; | |
8330 | unsigned long timeout; | |
8331 | int rc = IPR_RC_JOB_CONTINUE; | |
8332 | ||
8333 | ENTER; | |
56d6aa33 | 8334 | if (shutdown_type != IPR_SHUTDOWN_NONE && |
8335 | !ioa_cfg->hrrq[IPR_INIT_HRRQ].ioa_is_dead) { | |
1da177e4 LT |
8336 | ipr_cmd->ioarcb.res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE); |
8337 | ipr_cmd->ioarcb.cmd_pkt.request_type = IPR_RQTYPE_IOACMD; | |
8338 | ipr_cmd->ioarcb.cmd_pkt.cdb[0] = IPR_IOA_SHUTDOWN; | |
8339 | ipr_cmd->ioarcb.cmd_pkt.cdb[1] = shutdown_type; | |
8340 | ||
ac09c349 BK |
8341 | if (shutdown_type == IPR_SHUTDOWN_NORMAL) |
8342 | timeout = IPR_SHUTDOWN_TIMEOUT; | |
1da177e4 LT |
8343 | else if (shutdown_type == IPR_SHUTDOWN_PREPARE_FOR_NORMAL) |
8344 | timeout = IPR_INTERNAL_TIMEOUT; | |
ac09c349 BK |
8345 | else if (ioa_cfg->dual_raid && ipr_dual_ioa_raid) |
8346 | timeout = IPR_DUAL_IOA_ABBR_SHUTDOWN_TO; | |
1da177e4 | 8347 | else |
ac09c349 | 8348 | timeout = IPR_ABBREV_SHUTDOWN_TIMEOUT; |
1da177e4 LT |
8349 | |
8350 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, timeout); | |
8351 | ||
8352 | rc = IPR_RC_JOB_RETURN; | |
8353 | ipr_cmd->job_step = ipr_reset_ucode_download; | |
8354 | } else | |
8355 | ipr_cmd->job_step = ipr_reset_alert; | |
8356 | ||
8357 | LEAVE; | |
8358 | return rc; | |
8359 | } | |
8360 | ||
8361 | /** | |
8362 | * ipr_reset_ioa_job - Adapter reset job | |
8363 | * @ipr_cmd: ipr command struct | |
8364 | * | |
8365 | * Description: This function is the job router for the adapter reset job. | |
8366 | * | |
8367 | * Return value: | |
8368 | * none | |
8369 | **/ | |
8370 | static void ipr_reset_ioa_job(struct ipr_cmnd *ipr_cmd) | |
8371 | { | |
8372 | u32 rc, ioasc; | |
1da177e4 LT |
8373 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; |
8374 | ||
8375 | do { | |
96d21f00 | 8376 | ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
1da177e4 LT |
8377 | |
8378 | if (ioa_cfg->reset_cmd != ipr_cmd) { | |
8379 | /* | |
8380 | * We are doing nested adapter resets and this is | |
8381 | * not the current reset job. | |
8382 | */ | |
05a6538a | 8383 | list_add_tail(&ipr_cmd->queue, |
8384 | &ipr_cmd->hrrq->hrrq_free_q); | |
1da177e4 LT |
8385 | return; |
8386 | } | |
8387 | ||
8388 | if (IPR_IOASC_SENSE_KEY(ioasc)) { | |
dfed823e BK |
8389 | rc = ipr_cmd->job_step_failed(ipr_cmd); |
8390 | if (rc == IPR_RC_JOB_RETURN) | |
8391 | return; | |
1da177e4 LT |
8392 | } |
8393 | ||
8394 | ipr_reinit_ipr_cmnd(ipr_cmd); | |
dfed823e | 8395 | ipr_cmd->job_step_failed = ipr_reset_cmd_failed; |
1da177e4 | 8396 | rc = ipr_cmd->job_step(ipr_cmd); |
203fa3fe | 8397 | } while (rc == IPR_RC_JOB_CONTINUE); |
1da177e4 LT |
8398 | } |
8399 | ||
8400 | /** | |
8401 | * _ipr_initiate_ioa_reset - Initiate an adapter reset | |
8402 | * @ioa_cfg: ioa config struct | |
8403 | * @job_step: first job step of reset job | |
8404 | * @shutdown_type: shutdown type | |
8405 | * | |
8406 | * Description: This function will initiate the reset of the given adapter | |
8407 | * starting at the selected job step. | |
8408 | * If the caller needs to wait on the completion of the reset, | |
8409 | * the caller must sleep on the reset_wait_q. | |
8410 | * | |
8411 | * Return value: | |
8412 | * none | |
8413 | **/ | |
8414 | static void _ipr_initiate_ioa_reset(struct ipr_ioa_cfg *ioa_cfg, | |
8415 | int (*job_step) (struct ipr_cmnd *), | |
8416 | enum ipr_shutdown_type shutdown_type) | |
8417 | { | |
8418 | struct ipr_cmnd *ipr_cmd; | |
56d6aa33 | 8419 | int i; |
1da177e4 LT |
8420 | |
8421 | ioa_cfg->in_reset_reload = 1; | |
56d6aa33 | 8422 | for (i = 0; i < ioa_cfg->hrrq_num; i++) { |
8423 | spin_lock(&ioa_cfg->hrrq[i]._lock); | |
8424 | ioa_cfg->hrrq[i].allow_cmds = 0; | |
8425 | spin_unlock(&ioa_cfg->hrrq[i]._lock); | |
8426 | } | |
8427 | wmb(); | |
1da177e4 LT |
8428 | scsi_block_requests(ioa_cfg->host); |
8429 | ||
8430 | ipr_cmd = ipr_get_free_ipr_cmnd(ioa_cfg); | |
8431 | ioa_cfg->reset_cmd = ipr_cmd; | |
8432 | ipr_cmd->job_step = job_step; | |
8433 | ipr_cmd->u.shutdown_type = shutdown_type; | |
8434 | ||
8435 | ipr_reset_ioa_job(ipr_cmd); | |
8436 | } | |
8437 | ||
8438 | /** | |
8439 | * ipr_initiate_ioa_reset - Initiate an adapter reset | |
8440 | * @ioa_cfg: ioa config struct | |
8441 | * @shutdown_type: shutdown type | |
8442 | * | |
8443 | * Description: This function will initiate the reset of the given adapter. | |
8444 | * If the caller needs to wait on the completion of the reset, | |
8445 | * the caller must sleep on the reset_wait_q. | |
8446 | * | |
8447 | * Return value: | |
8448 | * none | |
8449 | **/ | |
8450 | static void ipr_initiate_ioa_reset(struct ipr_ioa_cfg *ioa_cfg, | |
8451 | enum ipr_shutdown_type shutdown_type) | |
8452 | { | |
56d6aa33 | 8453 | int i; |
8454 | ||
8455 | if (ioa_cfg->hrrq[IPR_INIT_HRRQ].ioa_is_dead) | |
1da177e4 LT |
8456 | return; |
8457 | ||
41e9a696 BK |
8458 | if (ioa_cfg->in_reset_reload) { |
8459 | if (ioa_cfg->sdt_state == GET_DUMP) | |
8460 | ioa_cfg->sdt_state = WAIT_FOR_DUMP; | |
8461 | else if (ioa_cfg->sdt_state == READ_DUMP) | |
8462 | ioa_cfg->sdt_state = ABORT_DUMP; | |
8463 | } | |
1da177e4 LT |
8464 | |
8465 | if (ioa_cfg->reset_retries++ >= IPR_NUM_RESET_RELOAD_RETRIES) { | |
8466 | dev_err(&ioa_cfg->pdev->dev, | |
8467 | "IOA taken offline - error recovery failed\n"); | |
8468 | ||
8469 | ioa_cfg->reset_retries = 0; | |
56d6aa33 | 8470 | for (i = 0; i < ioa_cfg->hrrq_num; i++) { |
8471 | spin_lock(&ioa_cfg->hrrq[i]._lock); | |
8472 | ioa_cfg->hrrq[i].ioa_is_dead = 1; | |
8473 | spin_unlock(&ioa_cfg->hrrq[i]._lock); | |
8474 | } | |
8475 | wmb(); | |
1da177e4 LT |
8476 | |
8477 | if (ioa_cfg->in_ioa_bringdown) { | |
8478 | ioa_cfg->reset_cmd = NULL; | |
8479 | ioa_cfg->in_reset_reload = 0; | |
8480 | ipr_fail_all_ops(ioa_cfg); | |
8481 | wake_up_all(&ioa_cfg->reset_wait_q); | |
8482 | ||
8483 | spin_unlock_irq(ioa_cfg->host->host_lock); | |
8484 | scsi_unblock_requests(ioa_cfg->host); | |
8485 | spin_lock_irq(ioa_cfg->host->host_lock); | |
8486 | return; | |
8487 | } else { | |
8488 | ioa_cfg->in_ioa_bringdown = 1; | |
8489 | shutdown_type = IPR_SHUTDOWN_NONE; | |
8490 | } | |
8491 | } | |
8492 | ||
8493 | _ipr_initiate_ioa_reset(ioa_cfg, ipr_reset_shutdown_ioa, | |
8494 | shutdown_type); | |
8495 | } | |
8496 | ||
f8a88b19 LV |
8497 | /** |
8498 | * ipr_reset_freeze - Hold off all I/O activity | |
8499 | * @ipr_cmd: ipr command struct | |
8500 | * | |
8501 | * Description: If the PCI slot is frozen, hold off all I/O | |
8502 | * activity; then, as soon as the slot is available again, | |
8503 | * initiate an adapter reset. | |
8504 | */ | |
8505 | static int ipr_reset_freeze(struct ipr_cmnd *ipr_cmd) | |
8506 | { | |
56d6aa33 | 8507 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; |
8508 | int i; | |
8509 | ||
f8a88b19 | 8510 | /* Disallow new interrupts, avoid loop */ |
56d6aa33 | 8511 | for (i = 0; i < ioa_cfg->hrrq_num; i++) { |
8512 | spin_lock(&ioa_cfg->hrrq[i]._lock); | |
8513 | ioa_cfg->hrrq[i].allow_interrupts = 0; | |
8514 | spin_unlock(&ioa_cfg->hrrq[i]._lock); | |
8515 | } | |
8516 | wmb(); | |
05a6538a | 8517 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_pending_q); |
f8a88b19 LV |
8518 | ipr_cmd->done = ipr_reset_ioa_job; |
8519 | return IPR_RC_JOB_RETURN; | |
8520 | } | |
8521 | ||
8522 | /** | |
8523 | * ipr_pci_frozen - Called when slot has experienced a PCI bus error. | |
8524 | * @pdev: PCI device struct | |
8525 | * | |
8526 | * Description: This routine is called to tell us that the PCI bus | |
8527 | * is down. Can't do anything here, except put the device driver | |
8528 | * into a holding pattern, waiting for the PCI bus to come back. | |
8529 | */ | |
8530 | static void ipr_pci_frozen(struct pci_dev *pdev) | |
8531 | { | |
8532 | unsigned long flags = 0; | |
8533 | struct ipr_ioa_cfg *ioa_cfg = pci_get_drvdata(pdev); | |
8534 | ||
8535 | spin_lock_irqsave(ioa_cfg->host->host_lock, flags); | |
8536 | _ipr_initiate_ioa_reset(ioa_cfg, ipr_reset_freeze, IPR_SHUTDOWN_NONE); | |
8537 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); | |
8538 | } | |
8539 | ||
8540 | /** | |
8541 | * ipr_pci_slot_reset - Called when PCI slot has been reset. | |
8542 | * @pdev: PCI device struct | |
8543 | * | |
8544 | * Description: This routine is called by the pci error recovery | |
8545 | * code after the PCI slot has been reset, just before we | |
8546 | * should resume normal operations. | |
8547 | */ | |
8548 | static pci_ers_result_t ipr_pci_slot_reset(struct pci_dev *pdev) | |
8549 | { | |
8550 | unsigned long flags = 0; | |
8551 | struct ipr_ioa_cfg *ioa_cfg = pci_get_drvdata(pdev); | |
8552 | ||
8553 | spin_lock_irqsave(ioa_cfg->host->host_lock, flags); | |
463fc696 BK |
8554 | if (ioa_cfg->needs_warm_reset) |
8555 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); | |
8556 | else | |
8557 | _ipr_initiate_ioa_reset(ioa_cfg, ipr_reset_restore_cfg_space, | |
8558 | IPR_SHUTDOWN_NONE); | |
f8a88b19 LV |
8559 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); |
8560 | return PCI_ERS_RESULT_RECOVERED; | |
8561 | } | |
8562 | ||
8563 | /** | |
8564 | * ipr_pci_perm_failure - Called when PCI slot is dead for good. | |
8565 | * @pdev: PCI device struct | |
8566 | * | |
8567 | * Description: This routine is called when the PCI bus has | |
8568 | * permanently failed. | |
8569 | */ | |
8570 | static void ipr_pci_perm_failure(struct pci_dev *pdev) | |
8571 | { | |
8572 | unsigned long flags = 0; | |
8573 | struct ipr_ioa_cfg *ioa_cfg = pci_get_drvdata(pdev); | |
56d6aa33 | 8574 | int i; |
f8a88b19 LV |
8575 | |
8576 | spin_lock_irqsave(ioa_cfg->host->host_lock, flags); | |
8577 | if (ioa_cfg->sdt_state == WAIT_FOR_DUMP) | |
8578 | ioa_cfg->sdt_state = ABORT_DUMP; | |
8579 | ioa_cfg->reset_retries = IPR_NUM_RESET_RELOAD_RETRIES; | |
8580 | ioa_cfg->in_ioa_bringdown = 1; | |
56d6aa33 | 8581 | for (i = 0; i < ioa_cfg->hrrq_num; i++) { |
8582 | spin_lock(&ioa_cfg->hrrq[i]._lock); | |
8583 | ioa_cfg->hrrq[i].allow_cmds = 0; | |
8584 | spin_unlock(&ioa_cfg->hrrq[i]._lock); | |
8585 | } | |
8586 | wmb(); | |
f8a88b19 LV |
8587 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); |
8588 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); | |
8589 | } | |
8590 | ||
8591 | /** | |
8592 | * ipr_pci_error_detected - Called when a PCI error is detected. | |
8593 | * @pdev: PCI device struct | |
8594 | * @state: PCI channel state | |
8595 | * | |
8596 | * Description: Called when a PCI error is detected. | |
8597 | * | |
8598 | * Return value: | |
8599 | * PCI_ERS_RESULT_NEED_RESET or PCI_ERS_RESULT_DISCONNECT | |
8600 | */ | |
8601 | static pci_ers_result_t ipr_pci_error_detected(struct pci_dev *pdev, | |
8602 | pci_channel_state_t state) | |
8603 | { | |
8604 | switch (state) { | |
8605 | case pci_channel_io_frozen: | |
8606 | ipr_pci_frozen(pdev); | |
8607 | return PCI_ERS_RESULT_NEED_RESET; | |
8608 | case pci_channel_io_perm_failure: | |
8609 | ipr_pci_perm_failure(pdev); | |
8610 | return PCI_ERS_RESULT_DISCONNECT; | |
8611 | break; | |
8612 | default: | |
8613 | break; | |
8614 | } | |
8615 | return PCI_ERS_RESULT_NEED_RESET; | |
8616 | } | |
8617 | ||
1da177e4 LT |
8618 | /** |
8619 | * ipr_probe_ioa_part2 - Initializes IOAs found in ipr_probe_ioa(..) | |
8620 | * @ioa_cfg: ioa cfg struct | |
8621 | * | |
8622 | * Description: This is the second phase of adapter intialization | |
8623 | * This function takes care of initilizing the adapter to the point | |
8624 | * where it can accept new commands. | |
8625 | ||
8626 | * Return value: | |
b1c11812 | 8627 | * 0 on success / -EIO on failure |
1da177e4 | 8628 | **/ |
6f039790 | 8629 | static int ipr_probe_ioa_part2(struct ipr_ioa_cfg *ioa_cfg) |
1da177e4 LT |
8630 | { |
8631 | int rc = 0; | |
8632 | unsigned long host_lock_flags = 0; | |
8633 | ||
8634 | ENTER; | |
8635 | spin_lock_irqsave(ioa_cfg->host->host_lock, host_lock_flags); | |
8636 | dev_dbg(&ioa_cfg->pdev->dev, "ioa_cfg adx: 0x%p\n", ioa_cfg); | |
ce155cce BK |
8637 | if (ioa_cfg->needs_hard_reset) { |
8638 | ioa_cfg->needs_hard_reset = 0; | |
8639 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); | |
8640 | } else | |
8641 | _ipr_initiate_ioa_reset(ioa_cfg, ipr_reset_enable_ioa, | |
8642 | IPR_SHUTDOWN_NONE); | |
1da177e4 LT |
8643 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, host_lock_flags); |
8644 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
8645 | spin_lock_irqsave(ioa_cfg->host->host_lock, host_lock_flags); | |
8646 | ||
56d6aa33 | 8647 | if (ioa_cfg->hrrq[IPR_INIT_HRRQ].ioa_is_dead) { |
1da177e4 LT |
8648 | rc = -EIO; |
8649 | } else if (ipr_invalid_adapter(ioa_cfg)) { | |
8650 | if (!ipr_testmode) | |
8651 | rc = -EIO; | |
8652 | ||
8653 | dev_err(&ioa_cfg->pdev->dev, | |
8654 | "Adapter not supported in this hardware configuration.\n"); | |
8655 | } | |
8656 | ||
8657 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, host_lock_flags); | |
8658 | ||
8659 | LEAVE; | |
8660 | return rc; | |
8661 | } | |
8662 | ||
8663 | /** | |
8664 | * ipr_free_cmd_blks - Frees command blocks allocated for an adapter | |
8665 | * @ioa_cfg: ioa config struct | |
8666 | * | |
8667 | * Return value: | |
8668 | * none | |
8669 | **/ | |
8670 | static void ipr_free_cmd_blks(struct ipr_ioa_cfg *ioa_cfg) | |
8671 | { | |
8672 | int i; | |
8673 | ||
8674 | for (i = 0; i < IPR_NUM_CMD_BLKS; i++) { | |
8675 | if (ioa_cfg->ipr_cmnd_list[i]) | |
8676 | pci_pool_free(ioa_cfg->ipr_cmd_pool, | |
8677 | ioa_cfg->ipr_cmnd_list[i], | |
8678 | ioa_cfg->ipr_cmnd_list_dma[i]); | |
8679 | ||
8680 | ioa_cfg->ipr_cmnd_list[i] = NULL; | |
8681 | } | |
8682 | ||
8683 | if (ioa_cfg->ipr_cmd_pool) | |
203fa3fe | 8684 | pci_pool_destroy(ioa_cfg->ipr_cmd_pool); |
1da177e4 | 8685 | |
89aad428 BK |
8686 | kfree(ioa_cfg->ipr_cmnd_list); |
8687 | kfree(ioa_cfg->ipr_cmnd_list_dma); | |
8688 | ioa_cfg->ipr_cmnd_list = NULL; | |
8689 | ioa_cfg->ipr_cmnd_list_dma = NULL; | |
1da177e4 LT |
8690 | ioa_cfg->ipr_cmd_pool = NULL; |
8691 | } | |
8692 | ||
8693 | /** | |
8694 | * ipr_free_mem - Frees memory allocated for an adapter | |
8695 | * @ioa_cfg: ioa cfg struct | |
8696 | * | |
8697 | * Return value: | |
8698 | * nothing | |
8699 | **/ | |
8700 | static void ipr_free_mem(struct ipr_ioa_cfg *ioa_cfg) | |
8701 | { | |
8702 | int i; | |
8703 | ||
8704 | kfree(ioa_cfg->res_entries); | |
8705 | pci_free_consistent(ioa_cfg->pdev, sizeof(struct ipr_misc_cbs), | |
8706 | ioa_cfg->vpd_cbs, ioa_cfg->vpd_cbs_dma); | |
8707 | ipr_free_cmd_blks(ioa_cfg); | |
05a6538a | 8708 | |
8709 | for (i = 0; i < ioa_cfg->hrrq_num; i++) | |
8710 | pci_free_consistent(ioa_cfg->pdev, | |
8711 | sizeof(u32) * ioa_cfg->hrrq[i].size, | |
8712 | ioa_cfg->hrrq[i].host_rrq, | |
8713 | ioa_cfg->hrrq[i].host_rrq_dma); | |
8714 | ||
3e7ebdfa WB |
8715 | pci_free_consistent(ioa_cfg->pdev, ioa_cfg->cfg_table_size, |
8716 | ioa_cfg->u.cfg_table, | |
1da177e4 LT |
8717 | ioa_cfg->cfg_table_dma); |
8718 | ||
8719 | for (i = 0; i < IPR_NUM_HCAMS; i++) { | |
8720 | pci_free_consistent(ioa_cfg->pdev, | |
8721 | sizeof(struct ipr_hostrcb), | |
8722 | ioa_cfg->hostrcb[i], | |
8723 | ioa_cfg->hostrcb_dma[i]); | |
8724 | } | |
8725 | ||
8726 | ipr_free_dump(ioa_cfg); | |
1da177e4 LT |
8727 | kfree(ioa_cfg->trace); |
8728 | } | |
8729 | ||
8730 | /** | |
8731 | * ipr_free_all_resources - Free all allocated resources for an adapter. | |
8732 | * @ipr_cmd: ipr command struct | |
8733 | * | |
8734 | * This function frees all allocated resources for the | |
8735 | * specified adapter. | |
8736 | * | |
8737 | * Return value: | |
8738 | * none | |
8739 | **/ | |
8740 | static void ipr_free_all_resources(struct ipr_ioa_cfg *ioa_cfg) | |
8741 | { | |
8742 | struct pci_dev *pdev = ioa_cfg->pdev; | |
8743 | ||
8744 | ENTER; | |
05a6538a | 8745 | if (ioa_cfg->intr_flag == IPR_USE_MSI || |
8746 | ioa_cfg->intr_flag == IPR_USE_MSIX) { | |
8747 | int i; | |
8748 | for (i = 0; i < ioa_cfg->nvectors; i++) | |
8749 | free_irq(ioa_cfg->vectors_info[i].vec, | |
8750 | &ioa_cfg->hrrq[i]); | |
8751 | } else | |
8752 | free_irq(pdev->irq, &ioa_cfg->hrrq[0]); | |
8753 | ||
56d6aa33 | 8754 | if (ioa_cfg->intr_flag == IPR_USE_MSI) { |
05a6538a | 8755 | pci_disable_msi(pdev); |
56d6aa33 | 8756 | ioa_cfg->intr_flag &= ~IPR_USE_MSI; |
8757 | } else if (ioa_cfg->intr_flag == IPR_USE_MSIX) { | |
05a6538a | 8758 | pci_disable_msix(pdev); |
56d6aa33 | 8759 | ioa_cfg->intr_flag &= ~IPR_USE_MSIX; |
8760 | } | |
05a6538a | 8761 | |
1da177e4 LT |
8762 | iounmap(ioa_cfg->hdw_dma_regs); |
8763 | pci_release_regions(pdev); | |
8764 | ipr_free_mem(ioa_cfg); | |
8765 | scsi_host_put(ioa_cfg->host); | |
8766 | pci_disable_device(pdev); | |
8767 | LEAVE; | |
8768 | } | |
8769 | ||
8770 | /** | |
8771 | * ipr_alloc_cmd_blks - Allocate command blocks for an adapter | |
8772 | * @ioa_cfg: ioa config struct | |
8773 | * | |
8774 | * Return value: | |
8775 | * 0 on success / -ENOMEM on allocation failure | |
8776 | **/ | |
6f039790 | 8777 | static int ipr_alloc_cmd_blks(struct ipr_ioa_cfg *ioa_cfg) |
1da177e4 LT |
8778 | { |
8779 | struct ipr_cmnd *ipr_cmd; | |
8780 | struct ipr_ioarcb *ioarcb; | |
8781 | dma_addr_t dma_addr; | |
05a6538a | 8782 | int i, entries_each_hrrq, hrrq_id = 0; |
1da177e4 | 8783 | |
203fa3fe KSS |
8784 | ioa_cfg->ipr_cmd_pool = pci_pool_create(IPR_NAME, ioa_cfg->pdev, |
8785 | sizeof(struct ipr_cmnd), 512, 0); | |
1da177e4 LT |
8786 | |
8787 | if (!ioa_cfg->ipr_cmd_pool) | |
8788 | return -ENOMEM; | |
8789 | ||
89aad428 BK |
8790 | ioa_cfg->ipr_cmnd_list = kcalloc(IPR_NUM_CMD_BLKS, sizeof(struct ipr_cmnd *), GFP_KERNEL); |
8791 | ioa_cfg->ipr_cmnd_list_dma = kcalloc(IPR_NUM_CMD_BLKS, sizeof(dma_addr_t), GFP_KERNEL); | |
8792 | ||
8793 | if (!ioa_cfg->ipr_cmnd_list || !ioa_cfg->ipr_cmnd_list_dma) { | |
8794 | ipr_free_cmd_blks(ioa_cfg); | |
8795 | return -ENOMEM; | |
8796 | } | |
8797 | ||
05a6538a | 8798 | for (i = 0; i < ioa_cfg->hrrq_num; i++) { |
8799 | if (ioa_cfg->hrrq_num > 1) { | |
8800 | if (i == 0) { | |
8801 | entries_each_hrrq = IPR_NUM_INTERNAL_CMD_BLKS; | |
8802 | ioa_cfg->hrrq[i].min_cmd_id = 0; | |
8803 | ioa_cfg->hrrq[i].max_cmd_id = | |
8804 | (entries_each_hrrq - 1); | |
8805 | } else { | |
8806 | entries_each_hrrq = | |
8807 | IPR_NUM_BASE_CMD_BLKS/ | |
8808 | (ioa_cfg->hrrq_num - 1); | |
8809 | ioa_cfg->hrrq[i].min_cmd_id = | |
8810 | IPR_NUM_INTERNAL_CMD_BLKS + | |
8811 | (i - 1) * entries_each_hrrq; | |
8812 | ioa_cfg->hrrq[i].max_cmd_id = | |
8813 | (IPR_NUM_INTERNAL_CMD_BLKS + | |
8814 | i * entries_each_hrrq - 1); | |
8815 | } | |
8816 | } else { | |
8817 | entries_each_hrrq = IPR_NUM_CMD_BLKS; | |
8818 | ioa_cfg->hrrq[i].min_cmd_id = 0; | |
8819 | ioa_cfg->hrrq[i].max_cmd_id = (entries_each_hrrq - 1); | |
8820 | } | |
8821 | ioa_cfg->hrrq[i].size = entries_each_hrrq; | |
8822 | } | |
8823 | ||
8824 | BUG_ON(ioa_cfg->hrrq_num == 0); | |
8825 | ||
8826 | i = IPR_NUM_CMD_BLKS - | |
8827 | ioa_cfg->hrrq[ioa_cfg->hrrq_num - 1].max_cmd_id - 1; | |
8828 | if (i > 0) { | |
8829 | ioa_cfg->hrrq[ioa_cfg->hrrq_num - 1].size += i; | |
8830 | ioa_cfg->hrrq[ioa_cfg->hrrq_num - 1].max_cmd_id += i; | |
8831 | } | |
8832 | ||
1da177e4 | 8833 | for (i = 0; i < IPR_NUM_CMD_BLKS; i++) { |
203fa3fe | 8834 | ipr_cmd = pci_pool_alloc(ioa_cfg->ipr_cmd_pool, GFP_KERNEL, &dma_addr); |
1da177e4 LT |
8835 | |
8836 | if (!ipr_cmd) { | |
8837 | ipr_free_cmd_blks(ioa_cfg); | |
8838 | return -ENOMEM; | |
8839 | } | |
8840 | ||
8841 | memset(ipr_cmd, 0, sizeof(*ipr_cmd)); | |
8842 | ioa_cfg->ipr_cmnd_list[i] = ipr_cmd; | |
8843 | ioa_cfg->ipr_cmnd_list_dma[i] = dma_addr; | |
8844 | ||
8845 | ioarcb = &ipr_cmd->ioarcb; | |
a32c055f WB |
8846 | ipr_cmd->dma_addr = dma_addr; |
8847 | if (ioa_cfg->sis64) | |
8848 | ioarcb->a.ioarcb_host_pci_addr64 = cpu_to_be64(dma_addr); | |
8849 | else | |
8850 | ioarcb->a.ioarcb_host_pci_addr = cpu_to_be32(dma_addr); | |
8851 | ||
1da177e4 | 8852 | ioarcb->host_response_handle = cpu_to_be32(i << 2); |
a32c055f WB |
8853 | if (ioa_cfg->sis64) { |
8854 | ioarcb->u.sis64_addr_data.data_ioadl_addr = | |
8855 | cpu_to_be64(dma_addr + offsetof(struct ipr_cmnd, i.ioadl64)); | |
8856 | ioarcb->u.sis64_addr_data.ioasa_host_pci_addr = | |
96d21f00 | 8857 | cpu_to_be64(dma_addr + offsetof(struct ipr_cmnd, s.ioasa64)); |
a32c055f WB |
8858 | } else { |
8859 | ioarcb->write_ioadl_addr = | |
8860 | cpu_to_be32(dma_addr + offsetof(struct ipr_cmnd, i.ioadl)); | |
8861 | ioarcb->read_ioadl_addr = ioarcb->write_ioadl_addr; | |
8862 | ioarcb->ioasa_host_pci_addr = | |
96d21f00 | 8863 | cpu_to_be32(dma_addr + offsetof(struct ipr_cmnd, s.ioasa)); |
a32c055f | 8864 | } |
1da177e4 LT |
8865 | ioarcb->ioasa_len = cpu_to_be16(sizeof(struct ipr_ioasa)); |
8866 | ipr_cmd->cmd_index = i; | |
8867 | ipr_cmd->ioa_cfg = ioa_cfg; | |
8868 | ipr_cmd->sense_buffer_dma = dma_addr + | |
8869 | offsetof(struct ipr_cmnd, sense_buffer); | |
8870 | ||
05a6538a | 8871 | ipr_cmd->ioarcb.cmd_pkt.hrrq_id = hrrq_id; |
8872 | ipr_cmd->hrrq = &ioa_cfg->hrrq[hrrq_id]; | |
8873 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); | |
8874 | if (i >= ioa_cfg->hrrq[hrrq_id].max_cmd_id) | |
8875 | hrrq_id++; | |
1da177e4 LT |
8876 | } |
8877 | ||
8878 | return 0; | |
8879 | } | |
8880 | ||
8881 | /** | |
8882 | * ipr_alloc_mem - Allocate memory for an adapter | |
8883 | * @ioa_cfg: ioa config struct | |
8884 | * | |
8885 | * Return value: | |
8886 | * 0 on success / non-zero for error | |
8887 | **/ | |
6f039790 | 8888 | static int ipr_alloc_mem(struct ipr_ioa_cfg *ioa_cfg) |
1da177e4 LT |
8889 | { |
8890 | struct pci_dev *pdev = ioa_cfg->pdev; | |
8891 | int i, rc = -ENOMEM; | |
8892 | ||
8893 | ENTER; | |
0bc42e35 | 8894 | ioa_cfg->res_entries = kzalloc(sizeof(struct ipr_resource_entry) * |
3e7ebdfa | 8895 | ioa_cfg->max_devs_supported, GFP_KERNEL); |
1da177e4 LT |
8896 | |
8897 | if (!ioa_cfg->res_entries) | |
8898 | goto out; | |
8899 | ||
3e7ebdfa WB |
8900 | if (ioa_cfg->sis64) { |
8901 | ioa_cfg->target_ids = kzalloc(sizeof(unsigned long) * | |
8902 | BITS_TO_LONGS(ioa_cfg->max_devs_supported), GFP_KERNEL); | |
8903 | ioa_cfg->array_ids = kzalloc(sizeof(unsigned long) * | |
8904 | BITS_TO_LONGS(ioa_cfg->max_devs_supported), GFP_KERNEL); | |
8905 | ioa_cfg->vset_ids = kzalloc(sizeof(unsigned long) * | |
8906 | BITS_TO_LONGS(ioa_cfg->max_devs_supported), GFP_KERNEL); | |
a2e49cb2 BK |
8907 | |
8908 | if (!ioa_cfg->target_ids || !ioa_cfg->array_ids | |
8909 | || !ioa_cfg->vset_ids) | |
8910 | goto out_free_res_entries; | |
3e7ebdfa WB |
8911 | } |
8912 | ||
8913 | for (i = 0; i < ioa_cfg->max_devs_supported; i++) { | |
1da177e4 | 8914 | list_add_tail(&ioa_cfg->res_entries[i].queue, &ioa_cfg->free_res_q); |
3e7ebdfa WB |
8915 | ioa_cfg->res_entries[i].ioa_cfg = ioa_cfg; |
8916 | } | |
1da177e4 LT |
8917 | |
8918 | ioa_cfg->vpd_cbs = pci_alloc_consistent(ioa_cfg->pdev, | |
8919 | sizeof(struct ipr_misc_cbs), | |
8920 | &ioa_cfg->vpd_cbs_dma); | |
8921 | ||
8922 | if (!ioa_cfg->vpd_cbs) | |
8923 | goto out_free_res_entries; | |
8924 | ||
05a6538a | 8925 | for (i = 0; i < ioa_cfg->hrrq_num; i++) { |
8926 | INIT_LIST_HEAD(&ioa_cfg->hrrq[i].hrrq_free_q); | |
8927 | INIT_LIST_HEAD(&ioa_cfg->hrrq[i].hrrq_pending_q); | |
56d6aa33 | 8928 | spin_lock_init(&ioa_cfg->hrrq[i]._lock); |
8929 | if (i == 0) | |
8930 | ioa_cfg->hrrq[i].lock = ioa_cfg->host->host_lock; | |
8931 | else | |
8932 | ioa_cfg->hrrq[i].lock = &ioa_cfg->hrrq[i]._lock; | |
05a6538a | 8933 | } |
8934 | ||
1da177e4 LT |
8935 | if (ipr_alloc_cmd_blks(ioa_cfg)) |
8936 | goto out_free_vpd_cbs; | |
8937 | ||
05a6538a | 8938 | for (i = 0; i < ioa_cfg->hrrq_num; i++) { |
8939 | ioa_cfg->hrrq[i].host_rrq = pci_alloc_consistent(ioa_cfg->pdev, | |
8940 | sizeof(u32) * ioa_cfg->hrrq[i].size, | |
8941 | &ioa_cfg->hrrq[i].host_rrq_dma); | |
8942 | ||
8943 | if (!ioa_cfg->hrrq[i].host_rrq) { | |
8944 | while (--i > 0) | |
8945 | pci_free_consistent(pdev, | |
8946 | sizeof(u32) * ioa_cfg->hrrq[i].size, | |
8947 | ioa_cfg->hrrq[i].host_rrq, | |
8948 | ioa_cfg->hrrq[i].host_rrq_dma); | |
8949 | goto out_ipr_free_cmd_blocks; | |
8950 | } | |
8951 | ioa_cfg->hrrq[i].ioa_cfg = ioa_cfg; | |
8952 | } | |
1da177e4 | 8953 | |
3e7ebdfa WB |
8954 | ioa_cfg->u.cfg_table = pci_alloc_consistent(ioa_cfg->pdev, |
8955 | ioa_cfg->cfg_table_size, | |
8956 | &ioa_cfg->cfg_table_dma); | |
1da177e4 | 8957 | |
3e7ebdfa | 8958 | if (!ioa_cfg->u.cfg_table) |
1da177e4 LT |
8959 | goto out_free_host_rrq; |
8960 | ||
8961 | for (i = 0; i < IPR_NUM_HCAMS; i++) { | |
8962 | ioa_cfg->hostrcb[i] = pci_alloc_consistent(ioa_cfg->pdev, | |
8963 | sizeof(struct ipr_hostrcb), | |
8964 | &ioa_cfg->hostrcb_dma[i]); | |
8965 | ||
8966 | if (!ioa_cfg->hostrcb[i]) | |
8967 | goto out_free_hostrcb_dma; | |
8968 | ||
8969 | ioa_cfg->hostrcb[i]->hostrcb_dma = | |
8970 | ioa_cfg->hostrcb_dma[i] + offsetof(struct ipr_hostrcb, hcam); | |
49dc6a18 | 8971 | ioa_cfg->hostrcb[i]->ioa_cfg = ioa_cfg; |
1da177e4 LT |
8972 | list_add_tail(&ioa_cfg->hostrcb[i]->queue, &ioa_cfg->hostrcb_free_q); |
8973 | } | |
8974 | ||
0bc42e35 | 8975 | ioa_cfg->trace = kzalloc(sizeof(struct ipr_trace_entry) * |
1da177e4 LT |
8976 | IPR_NUM_TRACE_ENTRIES, GFP_KERNEL); |
8977 | ||
8978 | if (!ioa_cfg->trace) | |
8979 | goto out_free_hostrcb_dma; | |
8980 | ||
1da177e4 LT |
8981 | rc = 0; |
8982 | out: | |
8983 | LEAVE; | |
8984 | return rc; | |
8985 | ||
8986 | out_free_hostrcb_dma: | |
8987 | while (i-- > 0) { | |
8988 | pci_free_consistent(pdev, sizeof(struct ipr_hostrcb), | |
8989 | ioa_cfg->hostrcb[i], | |
8990 | ioa_cfg->hostrcb_dma[i]); | |
8991 | } | |
3e7ebdfa WB |
8992 | pci_free_consistent(pdev, ioa_cfg->cfg_table_size, |
8993 | ioa_cfg->u.cfg_table, | |
8994 | ioa_cfg->cfg_table_dma); | |
1da177e4 | 8995 | out_free_host_rrq: |
05a6538a | 8996 | for (i = 0; i < ioa_cfg->hrrq_num; i++) { |
8997 | pci_free_consistent(pdev, | |
8998 | sizeof(u32) * ioa_cfg->hrrq[i].size, | |
8999 | ioa_cfg->hrrq[i].host_rrq, | |
9000 | ioa_cfg->hrrq[i].host_rrq_dma); | |
9001 | } | |
1da177e4 LT |
9002 | out_ipr_free_cmd_blocks: |
9003 | ipr_free_cmd_blks(ioa_cfg); | |
9004 | out_free_vpd_cbs: | |
9005 | pci_free_consistent(pdev, sizeof(struct ipr_misc_cbs), | |
9006 | ioa_cfg->vpd_cbs, ioa_cfg->vpd_cbs_dma); | |
9007 | out_free_res_entries: | |
9008 | kfree(ioa_cfg->res_entries); | |
a2e49cb2 BK |
9009 | kfree(ioa_cfg->target_ids); |
9010 | kfree(ioa_cfg->array_ids); | |
9011 | kfree(ioa_cfg->vset_ids); | |
1da177e4 LT |
9012 | goto out; |
9013 | } | |
9014 | ||
9015 | /** | |
9016 | * ipr_initialize_bus_attr - Initialize SCSI bus attributes to default values | |
9017 | * @ioa_cfg: ioa config struct | |
9018 | * | |
9019 | * Return value: | |
9020 | * none | |
9021 | **/ | |
6f039790 | 9022 | static void ipr_initialize_bus_attr(struct ipr_ioa_cfg *ioa_cfg) |
1da177e4 LT |
9023 | { |
9024 | int i; | |
9025 | ||
9026 | for (i = 0; i < IPR_MAX_NUM_BUSES; i++) { | |
9027 | ioa_cfg->bus_attr[i].bus = i; | |
9028 | ioa_cfg->bus_attr[i].qas_enabled = 0; | |
9029 | ioa_cfg->bus_attr[i].bus_width = IPR_DEFAULT_BUS_WIDTH; | |
9030 | if (ipr_max_speed < ARRAY_SIZE(ipr_max_bus_speeds)) | |
9031 | ioa_cfg->bus_attr[i].max_xfer_rate = ipr_max_bus_speeds[ipr_max_speed]; | |
9032 | else | |
9033 | ioa_cfg->bus_attr[i].max_xfer_rate = IPR_U160_SCSI_RATE; | |
9034 | } | |
9035 | } | |
9036 | ||
9037 | /** | |
9038 | * ipr_init_ioa_cfg - Initialize IOA config struct | |
9039 | * @ioa_cfg: ioa config struct | |
9040 | * @host: scsi host struct | |
9041 | * @pdev: PCI dev struct | |
9042 | * | |
9043 | * Return value: | |
9044 | * none | |
9045 | **/ | |
6f039790 GKH |
9046 | static void ipr_init_ioa_cfg(struct ipr_ioa_cfg *ioa_cfg, |
9047 | struct Scsi_Host *host, struct pci_dev *pdev) | |
1da177e4 LT |
9048 | { |
9049 | const struct ipr_interrupt_offsets *p; | |
9050 | struct ipr_interrupts *t; | |
9051 | void __iomem *base; | |
9052 | ||
9053 | ioa_cfg->host = host; | |
9054 | ioa_cfg->pdev = pdev; | |
9055 | ioa_cfg->log_level = ipr_log_level; | |
3d1d0da6 | 9056 | ioa_cfg->doorbell = IPR_DOORBELL; |
1da177e4 LT |
9057 | sprintf(ioa_cfg->eye_catcher, IPR_EYECATCHER); |
9058 | sprintf(ioa_cfg->trace_start, IPR_TRACE_START_LABEL); | |
1da177e4 LT |
9059 | sprintf(ioa_cfg->cfg_table_start, IPR_CFG_TBL_START); |
9060 | sprintf(ioa_cfg->resource_table_label, IPR_RES_TABLE_LABEL); | |
9061 | sprintf(ioa_cfg->ipr_hcam_label, IPR_HCAM_LABEL); | |
9062 | sprintf(ioa_cfg->ipr_cmd_label, IPR_CMD_LABEL); | |
9063 | ||
1da177e4 LT |
9064 | INIT_LIST_HEAD(&ioa_cfg->hostrcb_free_q); |
9065 | INIT_LIST_HEAD(&ioa_cfg->hostrcb_pending_q); | |
9066 | INIT_LIST_HEAD(&ioa_cfg->free_res_q); | |
9067 | INIT_LIST_HEAD(&ioa_cfg->used_res_q); | |
c4028958 | 9068 | INIT_WORK(&ioa_cfg->work_q, ipr_worker_thread); |
1da177e4 | 9069 | init_waitqueue_head(&ioa_cfg->reset_wait_q); |
95fecd90 | 9070 | init_waitqueue_head(&ioa_cfg->msi_wait_q); |
1da177e4 LT |
9071 | ioa_cfg->sdt_state = INACTIVE; |
9072 | ||
9073 | ipr_initialize_bus_attr(ioa_cfg); | |
3e7ebdfa | 9074 | ioa_cfg->max_devs_supported = ipr_max_devs; |
1da177e4 | 9075 | |
3e7ebdfa WB |
9076 | if (ioa_cfg->sis64) { |
9077 | host->max_id = IPR_MAX_SIS64_TARGETS_PER_BUS; | |
9078 | host->max_lun = IPR_MAX_SIS64_LUNS_PER_TARGET; | |
9079 | if (ipr_max_devs > IPR_MAX_SIS64_DEVS) | |
9080 | ioa_cfg->max_devs_supported = IPR_MAX_SIS64_DEVS; | |
9081 | } else { | |
9082 | host->max_id = IPR_MAX_NUM_TARGETS_PER_BUS; | |
9083 | host->max_lun = IPR_MAX_NUM_LUNS_PER_TARGET; | |
9084 | if (ipr_max_devs > IPR_MAX_PHYSICAL_DEVS) | |
9085 | ioa_cfg->max_devs_supported = IPR_MAX_PHYSICAL_DEVS; | |
9086 | } | |
1da177e4 LT |
9087 | host->max_channel = IPR_MAX_BUS_TO_SCAN; |
9088 | host->unique_id = host->host_no; | |
9089 | host->max_cmd_len = IPR_MAX_CDB_LEN; | |
89aad428 | 9090 | host->can_queue = ioa_cfg->max_cmds; |
1da177e4 LT |
9091 | pci_set_drvdata(pdev, ioa_cfg); |
9092 | ||
9093 | p = &ioa_cfg->chip_cfg->regs; | |
9094 | t = &ioa_cfg->regs; | |
9095 | base = ioa_cfg->hdw_dma_regs; | |
9096 | ||
9097 | t->set_interrupt_mask_reg = base + p->set_interrupt_mask_reg; | |
9098 | t->clr_interrupt_mask_reg = base + p->clr_interrupt_mask_reg; | |
214777ba | 9099 | t->clr_interrupt_mask_reg32 = base + p->clr_interrupt_mask_reg32; |
1da177e4 | 9100 | t->sense_interrupt_mask_reg = base + p->sense_interrupt_mask_reg; |
214777ba | 9101 | t->sense_interrupt_mask_reg32 = base + p->sense_interrupt_mask_reg32; |
1da177e4 | 9102 | t->clr_interrupt_reg = base + p->clr_interrupt_reg; |
214777ba | 9103 | t->clr_interrupt_reg32 = base + p->clr_interrupt_reg32; |
1da177e4 | 9104 | t->sense_interrupt_reg = base + p->sense_interrupt_reg; |
214777ba | 9105 | t->sense_interrupt_reg32 = base + p->sense_interrupt_reg32; |
1da177e4 LT |
9106 | t->ioarrin_reg = base + p->ioarrin_reg; |
9107 | t->sense_uproc_interrupt_reg = base + p->sense_uproc_interrupt_reg; | |
214777ba | 9108 | t->sense_uproc_interrupt_reg32 = base + p->sense_uproc_interrupt_reg32; |
1da177e4 | 9109 | t->set_uproc_interrupt_reg = base + p->set_uproc_interrupt_reg; |
214777ba | 9110 | t->set_uproc_interrupt_reg32 = base + p->set_uproc_interrupt_reg32; |
1da177e4 | 9111 | t->clr_uproc_interrupt_reg = base + p->clr_uproc_interrupt_reg; |
214777ba | 9112 | t->clr_uproc_interrupt_reg32 = base + p->clr_uproc_interrupt_reg32; |
dcbad00e WB |
9113 | |
9114 | if (ioa_cfg->sis64) { | |
214777ba | 9115 | t->init_feedback_reg = base + p->init_feedback_reg; |
dcbad00e WB |
9116 | t->dump_addr_reg = base + p->dump_addr_reg; |
9117 | t->dump_data_reg = base + p->dump_data_reg; | |
8701f185 | 9118 | t->endian_swap_reg = base + p->endian_swap_reg; |
dcbad00e | 9119 | } |
1da177e4 LT |
9120 | } |
9121 | ||
9122 | /** | |
1be7bd82 | 9123 | * ipr_get_chip_info - Find adapter chip information |
1da177e4 LT |
9124 | * @dev_id: PCI device id struct |
9125 | * | |
9126 | * Return value: | |
1be7bd82 | 9127 | * ptr to chip information on success / NULL on failure |
1da177e4 | 9128 | **/ |
6f039790 | 9129 | static const struct ipr_chip_t * |
1be7bd82 | 9130 | ipr_get_chip_info(const struct pci_device_id *dev_id) |
1da177e4 LT |
9131 | { |
9132 | int i; | |
9133 | ||
1da177e4 LT |
9134 | for (i = 0; i < ARRAY_SIZE(ipr_chip); i++) |
9135 | if (ipr_chip[i].vendor == dev_id->vendor && | |
9136 | ipr_chip[i].device == dev_id->device) | |
1be7bd82 | 9137 | return &ipr_chip[i]; |
1da177e4 LT |
9138 | return NULL; |
9139 | } | |
9140 | ||
05a6538a | 9141 | static int ipr_enable_msix(struct ipr_ioa_cfg *ioa_cfg) |
9142 | { | |
9143 | struct msix_entry entries[IPR_MAX_MSIX_VECTORS]; | |
9144 | int i, err, vectors; | |
9145 | ||
9146 | for (i = 0; i < ARRAY_SIZE(entries); ++i) | |
9147 | entries[i].entry = i; | |
9148 | ||
9149 | vectors = ipr_number_of_msix; | |
9150 | ||
9151 | while ((err = pci_enable_msix(ioa_cfg->pdev, entries, vectors)) > 0) | |
9152 | vectors = err; | |
9153 | ||
9154 | if (err < 0) { | |
9155 | pci_disable_msix(ioa_cfg->pdev); | |
9156 | return err; | |
9157 | } | |
9158 | ||
9159 | if (!err) { | |
9160 | for (i = 0; i < vectors; i++) | |
9161 | ioa_cfg->vectors_info[i].vec = entries[i].vector; | |
9162 | ioa_cfg->nvectors = vectors; | |
9163 | } | |
9164 | ||
9165 | return err; | |
9166 | } | |
9167 | ||
9168 | static int ipr_enable_msi(struct ipr_ioa_cfg *ioa_cfg) | |
9169 | { | |
9170 | int i, err, vectors; | |
9171 | ||
9172 | vectors = ipr_number_of_msix; | |
9173 | ||
9174 | while ((err = pci_enable_msi_block(ioa_cfg->pdev, vectors)) > 0) | |
9175 | vectors = err; | |
9176 | ||
9177 | if (err < 0) { | |
9178 | pci_disable_msi(ioa_cfg->pdev); | |
9179 | return err; | |
9180 | } | |
9181 | ||
9182 | if (!err) { | |
9183 | for (i = 0; i < vectors; i++) | |
9184 | ioa_cfg->vectors_info[i].vec = ioa_cfg->pdev->irq + i; | |
9185 | ioa_cfg->nvectors = vectors; | |
9186 | } | |
9187 | ||
9188 | return err; | |
9189 | } | |
9190 | ||
9191 | static void name_msi_vectors(struct ipr_ioa_cfg *ioa_cfg) | |
9192 | { | |
9193 | int vec_idx, n = sizeof(ioa_cfg->vectors_info[0].desc) - 1; | |
9194 | ||
9195 | for (vec_idx = 0; vec_idx < ioa_cfg->nvectors; vec_idx++) { | |
9196 | snprintf(ioa_cfg->vectors_info[vec_idx].desc, n, | |
9197 | "host%d-%d", ioa_cfg->host->host_no, vec_idx); | |
9198 | ioa_cfg->vectors_info[vec_idx]. | |
9199 | desc[strlen(ioa_cfg->vectors_info[vec_idx].desc)] = 0; | |
9200 | } | |
9201 | } | |
9202 | ||
9203 | static int ipr_request_other_msi_irqs(struct ipr_ioa_cfg *ioa_cfg) | |
9204 | { | |
9205 | int i, rc; | |
9206 | ||
9207 | for (i = 1; i < ioa_cfg->nvectors; i++) { | |
9208 | rc = request_irq(ioa_cfg->vectors_info[i].vec, | |
9209 | ipr_isr_mhrrq, | |
9210 | 0, | |
9211 | ioa_cfg->vectors_info[i].desc, | |
9212 | &ioa_cfg->hrrq[i]); | |
9213 | if (rc) { | |
9214 | while (--i >= 0) | |
9215 | free_irq(ioa_cfg->vectors_info[i].vec, | |
9216 | &ioa_cfg->hrrq[i]); | |
9217 | return rc; | |
9218 | } | |
9219 | } | |
9220 | return 0; | |
9221 | } | |
9222 | ||
95fecd90 WB |
9223 | /** |
9224 | * ipr_test_intr - Handle the interrupt generated in ipr_test_msi(). | |
9225 | * @pdev: PCI device struct | |
9226 | * | |
9227 | * Description: Simply set the msi_received flag to 1 indicating that | |
9228 | * Message Signaled Interrupts are supported. | |
9229 | * | |
9230 | * Return value: | |
9231 | * 0 on success / non-zero on failure | |
9232 | **/ | |
6f039790 | 9233 | static irqreturn_t ipr_test_intr(int irq, void *devp) |
95fecd90 WB |
9234 | { |
9235 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)devp; | |
9236 | unsigned long lock_flags = 0; | |
9237 | irqreturn_t rc = IRQ_HANDLED; | |
9238 | ||
05a6538a | 9239 | dev_info(&ioa_cfg->pdev->dev, "Received IRQ : %d\n", irq); |
95fecd90 WB |
9240 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); |
9241 | ||
9242 | ioa_cfg->msi_received = 1; | |
9243 | wake_up(&ioa_cfg->msi_wait_q); | |
9244 | ||
9245 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
9246 | return rc; | |
9247 | } | |
9248 | ||
9249 | /** | |
9250 | * ipr_test_msi - Test for Message Signaled Interrupt (MSI) support. | |
9251 | * @pdev: PCI device struct | |
9252 | * | |
9253 | * Description: The return value from pci_enable_msi() can not always be | |
9254 | * trusted. This routine sets up and initiates a test interrupt to determine | |
9255 | * if the interrupt is received via the ipr_test_intr() service routine. | |
9256 | * If the tests fails, the driver will fall back to LSI. | |
9257 | * | |
9258 | * Return value: | |
9259 | * 0 on success / non-zero on failure | |
9260 | **/ | |
6f039790 | 9261 | static int ipr_test_msi(struct ipr_ioa_cfg *ioa_cfg, struct pci_dev *pdev) |
95fecd90 WB |
9262 | { |
9263 | int rc; | |
9264 | volatile u32 int_reg; | |
9265 | unsigned long lock_flags = 0; | |
9266 | ||
9267 | ENTER; | |
9268 | ||
9269 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
9270 | init_waitqueue_head(&ioa_cfg->msi_wait_q); | |
9271 | ioa_cfg->msi_received = 0; | |
9272 | ipr_mask_and_clear_interrupts(ioa_cfg, ~IPR_PCII_IOA_TRANS_TO_OPER); | |
214777ba | 9273 | writel(IPR_PCII_IO_DEBUG_ACKNOWLEDGE, ioa_cfg->regs.clr_interrupt_mask_reg32); |
95fecd90 WB |
9274 | int_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg); |
9275 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
9276 | ||
9277 | rc = request_irq(pdev->irq, ipr_test_intr, 0, IPR_NAME, ioa_cfg); | |
9278 | if (rc) { | |
9279 | dev_err(&pdev->dev, "Can not assign irq %d\n", pdev->irq); | |
9280 | return rc; | |
9281 | } else if (ipr_debug) | |
9282 | dev_info(&pdev->dev, "IRQ assigned: %d\n", pdev->irq); | |
9283 | ||
214777ba | 9284 | writel(IPR_PCII_IO_DEBUG_ACKNOWLEDGE, ioa_cfg->regs.sense_interrupt_reg32); |
95fecd90 WB |
9285 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg); |
9286 | wait_event_timeout(ioa_cfg->msi_wait_q, ioa_cfg->msi_received, HZ); | |
56d6aa33 | 9287 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); |
95fecd90 WB |
9288 | ipr_mask_and_clear_interrupts(ioa_cfg, ~IPR_PCII_IOA_TRANS_TO_OPER); |
9289 | ||
95fecd90 WB |
9290 | if (!ioa_cfg->msi_received) { |
9291 | /* MSI test failed */ | |
9292 | dev_info(&pdev->dev, "MSI test failed. Falling back to LSI.\n"); | |
9293 | rc = -EOPNOTSUPP; | |
9294 | } else if (ipr_debug) | |
9295 | dev_info(&pdev->dev, "MSI test succeeded.\n"); | |
9296 | ||
9297 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
9298 | ||
9299 | free_irq(pdev->irq, ioa_cfg); | |
9300 | ||
9301 | LEAVE; | |
9302 | ||
9303 | return rc; | |
9304 | } | |
9305 | ||
05a6538a | 9306 | /* ipr_probe_ioa - Allocates memory and does first stage of initialization |
1da177e4 LT |
9307 | * @pdev: PCI device struct |
9308 | * @dev_id: PCI device id struct | |
9309 | * | |
9310 | * Return value: | |
9311 | * 0 on success / non-zero on failure | |
9312 | **/ | |
6f039790 GKH |
9313 | static int ipr_probe_ioa(struct pci_dev *pdev, |
9314 | const struct pci_device_id *dev_id) | |
1da177e4 LT |
9315 | { |
9316 | struct ipr_ioa_cfg *ioa_cfg; | |
9317 | struct Scsi_Host *host; | |
9318 | unsigned long ipr_regs_pci; | |
9319 | void __iomem *ipr_regs; | |
a2a65a3e | 9320 | int rc = PCIBIOS_SUCCESSFUL; |
473b1e8e | 9321 | volatile u32 mask, uproc, interrupts; |
56d6aa33 | 9322 | unsigned long lock_flags; |
1da177e4 LT |
9323 | |
9324 | ENTER; | |
9325 | ||
9326 | if ((rc = pci_enable_device(pdev))) { | |
9327 | dev_err(&pdev->dev, "Cannot enable adapter\n"); | |
9328 | goto out; | |
9329 | } | |
9330 | ||
9331 | dev_info(&pdev->dev, "Found IOA with IRQ: %d\n", pdev->irq); | |
9332 | ||
9333 | host = scsi_host_alloc(&driver_template, sizeof(*ioa_cfg)); | |
9334 | ||
9335 | if (!host) { | |
9336 | dev_err(&pdev->dev, "call to scsi_host_alloc failed!\n"); | |
9337 | rc = -ENOMEM; | |
9338 | goto out_disable; | |
9339 | } | |
9340 | ||
9341 | ioa_cfg = (struct ipr_ioa_cfg *)host->hostdata; | |
9342 | memset(ioa_cfg, 0, sizeof(struct ipr_ioa_cfg)); | |
8d8e7d13 | 9343 | ata_host_init(&ioa_cfg->ata_host, &pdev->dev, &ipr_sata_ops); |
1da177e4 | 9344 | |
1be7bd82 | 9345 | ioa_cfg->ipr_chip = ipr_get_chip_info(dev_id); |
1da177e4 | 9346 | |
1be7bd82 | 9347 | if (!ioa_cfg->ipr_chip) { |
1da177e4 LT |
9348 | dev_err(&pdev->dev, "Unknown adapter chipset 0x%04X 0x%04X\n", |
9349 | dev_id->vendor, dev_id->device); | |
9350 | goto out_scsi_host_put; | |
9351 | } | |
9352 | ||
a32c055f WB |
9353 | /* set SIS 32 or SIS 64 */ |
9354 | ioa_cfg->sis64 = ioa_cfg->ipr_chip->sis_type == IPR_SIS64 ? 1 : 0; | |
1be7bd82 | 9355 | ioa_cfg->chip_cfg = ioa_cfg->ipr_chip->cfg; |
7dd21308 | 9356 | ioa_cfg->clear_isr = ioa_cfg->chip_cfg->clear_isr; |
89aad428 | 9357 | ioa_cfg->max_cmds = ioa_cfg->chip_cfg->max_cmds; |
1be7bd82 | 9358 | |
5469cb5b BK |
9359 | if (ipr_transop_timeout) |
9360 | ioa_cfg->transop_timeout = ipr_transop_timeout; | |
9361 | else if (dev_id->driver_data & IPR_USE_LONG_TRANSOP_TIMEOUT) | |
9362 | ioa_cfg->transop_timeout = IPR_LONG_OPERATIONAL_TIMEOUT; | |
9363 | else | |
9364 | ioa_cfg->transop_timeout = IPR_OPERATIONAL_TIMEOUT; | |
9365 | ||
44c10138 | 9366 | ioa_cfg->revid = pdev->revision; |
463fc696 | 9367 | |
1da177e4 LT |
9368 | ipr_regs_pci = pci_resource_start(pdev, 0); |
9369 | ||
9370 | rc = pci_request_regions(pdev, IPR_NAME); | |
9371 | if (rc < 0) { | |
9372 | dev_err(&pdev->dev, | |
9373 | "Couldn't register memory range of registers\n"); | |
9374 | goto out_scsi_host_put; | |
9375 | } | |
9376 | ||
25729a7f | 9377 | ipr_regs = pci_ioremap_bar(pdev, 0); |
1da177e4 LT |
9378 | |
9379 | if (!ipr_regs) { | |
9380 | dev_err(&pdev->dev, | |
9381 | "Couldn't map memory range of registers\n"); | |
9382 | rc = -ENOMEM; | |
9383 | goto out_release_regions; | |
9384 | } | |
9385 | ||
9386 | ioa_cfg->hdw_dma_regs = ipr_regs; | |
9387 | ioa_cfg->hdw_dma_regs_pci = ipr_regs_pci; | |
9388 | ioa_cfg->ioa_mailbox = ioa_cfg->chip_cfg->mailbox + ipr_regs; | |
9389 | ||
9390 | ipr_init_ioa_cfg(ioa_cfg, host, pdev); | |
9391 | ||
9392 | pci_set_master(pdev); | |
9393 | ||
a32c055f WB |
9394 | if (ioa_cfg->sis64) { |
9395 | rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); | |
9396 | if (rc < 0) { | |
9397 | dev_dbg(&pdev->dev, "Failed to set 64 bit PCI DMA mask\n"); | |
9398 | rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); | |
9399 | } | |
9400 | ||
9401 | } else | |
9402 | rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); | |
9403 | ||
1da177e4 LT |
9404 | if (rc < 0) { |
9405 | dev_err(&pdev->dev, "Failed to set PCI DMA mask\n"); | |
9406 | goto cleanup_nomem; | |
9407 | } | |
9408 | ||
9409 | rc = pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, | |
9410 | ioa_cfg->chip_cfg->cache_line_size); | |
9411 | ||
9412 | if (rc != PCIBIOS_SUCCESSFUL) { | |
9413 | dev_err(&pdev->dev, "Write of cache line size failed\n"); | |
9414 | rc = -EIO; | |
9415 | goto cleanup_nomem; | |
9416 | } | |
9417 | ||
05a6538a | 9418 | if (ipr_number_of_msix > IPR_MAX_MSIX_VECTORS) { |
9419 | dev_err(&pdev->dev, "The max number of MSIX is %d\n", | |
9420 | IPR_MAX_MSIX_VECTORS); | |
9421 | ipr_number_of_msix = IPR_MAX_MSIX_VECTORS; | |
9422 | } | |
9423 | ||
9424 | if (ioa_cfg->ipr_chip->intr_type == IPR_USE_MSI && | |
56d6aa33 | 9425 | ipr_enable_msix(ioa_cfg) == 0) |
05a6538a | 9426 | ioa_cfg->intr_flag = IPR_USE_MSIX; |
9427 | else if (ioa_cfg->ipr_chip->intr_type == IPR_USE_MSI && | |
56d6aa33 | 9428 | ipr_enable_msi(ioa_cfg) == 0) |
05a6538a | 9429 | ioa_cfg->intr_flag = IPR_USE_MSI; |
9430 | else { | |
9431 | ioa_cfg->intr_flag = IPR_USE_LSI; | |
9432 | ioa_cfg->nvectors = 1; | |
9433 | dev_info(&pdev->dev, "Cannot enable MSI.\n"); | |
9434 | } | |
9435 | ||
9436 | if (ioa_cfg->intr_flag == IPR_USE_MSI || | |
9437 | ioa_cfg->intr_flag == IPR_USE_MSIX) { | |
95fecd90 | 9438 | rc = ipr_test_msi(ioa_cfg, pdev); |
05a6538a | 9439 | if (rc == -EOPNOTSUPP) { |
9440 | if (ioa_cfg->intr_flag == IPR_USE_MSI) { | |
9441 | ioa_cfg->intr_flag &= ~IPR_USE_MSI; | |
9442 | pci_disable_msi(pdev); | |
9443 | } else if (ioa_cfg->intr_flag == IPR_USE_MSIX) { | |
9444 | ioa_cfg->intr_flag &= ~IPR_USE_MSIX; | |
9445 | pci_disable_msix(pdev); | |
9446 | } | |
9447 | ||
9448 | ioa_cfg->intr_flag = IPR_USE_LSI; | |
9449 | ioa_cfg->nvectors = 1; | |
9450 | } | |
95fecd90 WB |
9451 | else if (rc) |
9452 | goto out_msi_disable; | |
05a6538a | 9453 | else { |
9454 | if (ioa_cfg->intr_flag == IPR_USE_MSI) | |
9455 | dev_info(&pdev->dev, | |
9456 | "Request for %d MSIs succeeded with starting IRQ: %d\n", | |
9457 | ioa_cfg->nvectors, pdev->irq); | |
9458 | else if (ioa_cfg->intr_flag == IPR_USE_MSIX) | |
9459 | dev_info(&pdev->dev, | |
9460 | "Request for %d MSIXs succeeded.", | |
9461 | ioa_cfg->nvectors); | |
9462 | } | |
9463 | } | |
9464 | ||
9465 | ioa_cfg->hrrq_num = min3(ioa_cfg->nvectors, | |
9466 | (unsigned int)num_online_cpus(), | |
9467 | (unsigned int)IPR_MAX_HRRQ_NUM); | |
95fecd90 | 9468 | |
1da177e4 LT |
9469 | /* Save away PCI config space for use following IOA reset */ |
9470 | rc = pci_save_state(pdev); | |
9471 | ||
9472 | if (rc != PCIBIOS_SUCCESSFUL) { | |
9473 | dev_err(&pdev->dev, "Failed to save PCI config space\n"); | |
9474 | rc = -EIO; | |
f170c684 | 9475 | goto out_msi_disable; |
1da177e4 LT |
9476 | } |
9477 | ||
9478 | if ((rc = ipr_save_pcix_cmd_reg(ioa_cfg))) | |
f170c684 | 9479 | goto out_msi_disable; |
1da177e4 LT |
9480 | |
9481 | if ((rc = ipr_set_pcix_cmd_reg(ioa_cfg))) | |
f170c684 | 9482 | goto out_msi_disable; |
1da177e4 | 9483 | |
3e7ebdfa WB |
9484 | if (ioa_cfg->sis64) |
9485 | ioa_cfg->cfg_table_size = (sizeof(struct ipr_config_table_hdr64) | |
9486 | + ((sizeof(struct ipr_config_table_entry64) | |
9487 | * ioa_cfg->max_devs_supported))); | |
9488 | else | |
9489 | ioa_cfg->cfg_table_size = (sizeof(struct ipr_config_table_hdr) | |
9490 | + ((sizeof(struct ipr_config_table_entry) | |
9491 | * ioa_cfg->max_devs_supported))); | |
9492 | ||
1da177e4 LT |
9493 | rc = ipr_alloc_mem(ioa_cfg); |
9494 | if (rc < 0) { | |
9495 | dev_err(&pdev->dev, | |
9496 | "Couldn't allocate enough memory for device driver!\n"); | |
f170c684 | 9497 | goto out_msi_disable; |
1da177e4 LT |
9498 | } |
9499 | ||
ce155cce BK |
9500 | /* |
9501 | * If HRRQ updated interrupt is not masked, or reset alert is set, | |
9502 | * the card is in an unknown state and needs a hard reset | |
9503 | */ | |
214777ba WB |
9504 | mask = readl(ioa_cfg->regs.sense_interrupt_mask_reg32); |
9505 | interrupts = readl(ioa_cfg->regs.sense_interrupt_reg32); | |
9506 | uproc = readl(ioa_cfg->regs.sense_uproc_interrupt_reg32); | |
ce155cce BK |
9507 | if ((mask & IPR_PCII_HRRQ_UPDATED) == 0 || (uproc & IPR_UPROCI_RESET_ALERT)) |
9508 | ioa_cfg->needs_hard_reset = 1; | |
5d7c20b7 | 9509 | if ((interrupts & IPR_PCII_ERROR_INTERRUPTS) || reset_devices) |
473b1e8e BK |
9510 | ioa_cfg->needs_hard_reset = 1; |
9511 | if (interrupts & IPR_PCII_IOA_UNIT_CHECKED) | |
9512 | ioa_cfg->ioa_unit_checked = 1; | |
ce155cce | 9513 | |
56d6aa33 | 9514 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); |
1da177e4 | 9515 | ipr_mask_and_clear_interrupts(ioa_cfg, ~IPR_PCII_IOA_TRANS_TO_OPER); |
56d6aa33 | 9516 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
1da177e4 | 9517 | |
05a6538a | 9518 | if (ioa_cfg->intr_flag == IPR_USE_MSI |
9519 | || ioa_cfg->intr_flag == IPR_USE_MSIX) { | |
9520 | name_msi_vectors(ioa_cfg); | |
9521 | rc = request_irq(ioa_cfg->vectors_info[0].vec, ipr_isr, | |
9522 | 0, | |
9523 | ioa_cfg->vectors_info[0].desc, | |
9524 | &ioa_cfg->hrrq[0]); | |
9525 | if (!rc) | |
9526 | rc = ipr_request_other_msi_irqs(ioa_cfg); | |
9527 | } else { | |
9528 | rc = request_irq(pdev->irq, ipr_isr, | |
9529 | IRQF_SHARED, | |
9530 | IPR_NAME, &ioa_cfg->hrrq[0]); | |
9531 | } | |
1da177e4 LT |
9532 | if (rc) { |
9533 | dev_err(&pdev->dev, "Couldn't register IRQ %d! rc=%d\n", | |
9534 | pdev->irq, rc); | |
9535 | goto cleanup_nolog; | |
9536 | } | |
9537 | ||
463fc696 BK |
9538 | if ((dev_id->driver_data & IPR_USE_PCI_WARM_RESET) || |
9539 | (dev_id->device == PCI_DEVICE_ID_IBM_OBSIDIAN_E && !ioa_cfg->revid)) { | |
9540 | ioa_cfg->needs_warm_reset = 1; | |
9541 | ioa_cfg->reset = ipr_reset_slot_reset; | |
9542 | } else | |
9543 | ioa_cfg->reset = ipr_reset_start_bist; | |
9544 | ||
1da177e4 LT |
9545 | spin_lock(&ipr_driver_lock); |
9546 | list_add_tail(&ioa_cfg->queue, &ipr_ioa_head); | |
9547 | spin_unlock(&ipr_driver_lock); | |
9548 | ||
9549 | LEAVE; | |
9550 | out: | |
9551 | return rc; | |
9552 | ||
9553 | cleanup_nolog: | |
9554 | ipr_free_mem(ioa_cfg); | |
95fecd90 | 9555 | out_msi_disable: |
05a6538a | 9556 | if (ioa_cfg->intr_flag == IPR_USE_MSI) |
9557 | pci_disable_msi(pdev); | |
9558 | else if (ioa_cfg->intr_flag == IPR_USE_MSIX) | |
9559 | pci_disable_msix(pdev); | |
f170c684 JL |
9560 | cleanup_nomem: |
9561 | iounmap(ipr_regs); | |
1da177e4 LT |
9562 | out_release_regions: |
9563 | pci_release_regions(pdev); | |
9564 | out_scsi_host_put: | |
9565 | scsi_host_put(host); | |
9566 | out_disable: | |
9567 | pci_disable_device(pdev); | |
9568 | goto out; | |
9569 | } | |
9570 | ||
9571 | /** | |
9572 | * ipr_scan_vsets - Scans for VSET devices | |
9573 | * @ioa_cfg: ioa config struct | |
9574 | * | |
9575 | * Description: Since the VSET resources do not follow SAM in that we can have | |
9576 | * sparse LUNs with no LUN 0, we have to scan for these ourselves. | |
9577 | * | |
9578 | * Return value: | |
9579 | * none | |
9580 | **/ | |
9581 | static void ipr_scan_vsets(struct ipr_ioa_cfg *ioa_cfg) | |
9582 | { | |
9583 | int target, lun; | |
9584 | ||
9585 | for (target = 0; target < IPR_MAX_NUM_TARGETS_PER_BUS; target++) | |
203fa3fe | 9586 | for (lun = 0; lun < IPR_MAX_NUM_VSET_LUNS_PER_TARGET; lun++) |
1da177e4 LT |
9587 | scsi_add_device(ioa_cfg->host, IPR_VSET_BUS, target, lun); |
9588 | } | |
9589 | ||
9590 | /** | |
9591 | * ipr_initiate_ioa_bringdown - Bring down an adapter | |
9592 | * @ioa_cfg: ioa config struct | |
9593 | * @shutdown_type: shutdown type | |
9594 | * | |
9595 | * Description: This function will initiate bringing down the adapter. | |
9596 | * This consists of issuing an IOA shutdown to the adapter | |
9597 | * to flush the cache, and running BIST. | |
9598 | * If the caller needs to wait on the completion of the reset, | |
9599 | * the caller must sleep on the reset_wait_q. | |
9600 | * | |
9601 | * Return value: | |
9602 | * none | |
9603 | **/ | |
9604 | static void ipr_initiate_ioa_bringdown(struct ipr_ioa_cfg *ioa_cfg, | |
9605 | enum ipr_shutdown_type shutdown_type) | |
9606 | { | |
9607 | ENTER; | |
9608 | if (ioa_cfg->sdt_state == WAIT_FOR_DUMP) | |
9609 | ioa_cfg->sdt_state = ABORT_DUMP; | |
9610 | ioa_cfg->reset_retries = 0; | |
9611 | ioa_cfg->in_ioa_bringdown = 1; | |
9612 | ipr_initiate_ioa_reset(ioa_cfg, shutdown_type); | |
9613 | LEAVE; | |
9614 | } | |
9615 | ||
9616 | /** | |
9617 | * __ipr_remove - Remove a single adapter | |
9618 | * @pdev: pci device struct | |
9619 | * | |
9620 | * Adapter hot plug remove entry point. | |
9621 | * | |
9622 | * Return value: | |
9623 | * none | |
9624 | **/ | |
9625 | static void __ipr_remove(struct pci_dev *pdev) | |
9626 | { | |
9627 | unsigned long host_lock_flags = 0; | |
9628 | struct ipr_ioa_cfg *ioa_cfg = pci_get_drvdata(pdev); | |
9629 | ENTER; | |
9630 | ||
9631 | spin_lock_irqsave(ioa_cfg->host->host_lock, host_lock_flags); | |
203fa3fe | 9632 | while (ioa_cfg->in_reset_reload) { |
970ea294 BK |
9633 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, host_lock_flags); |
9634 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
9635 | spin_lock_irqsave(ioa_cfg->host->host_lock, host_lock_flags); | |
9636 | } | |
9637 | ||
1da177e4 LT |
9638 | ipr_initiate_ioa_bringdown(ioa_cfg, IPR_SHUTDOWN_NORMAL); |
9639 | ||
9640 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, host_lock_flags); | |
9641 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
43829731 | 9642 | flush_work(&ioa_cfg->work_q); |
1da177e4 LT |
9643 | spin_lock_irqsave(ioa_cfg->host->host_lock, host_lock_flags); |
9644 | ||
9645 | spin_lock(&ipr_driver_lock); | |
9646 | list_del(&ioa_cfg->queue); | |
9647 | spin_unlock(&ipr_driver_lock); | |
9648 | ||
9649 | if (ioa_cfg->sdt_state == ABORT_DUMP) | |
9650 | ioa_cfg->sdt_state = WAIT_FOR_DUMP; | |
9651 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, host_lock_flags); | |
9652 | ||
9653 | ipr_free_all_resources(ioa_cfg); | |
9654 | ||
9655 | LEAVE; | |
9656 | } | |
9657 | ||
9658 | /** | |
9659 | * ipr_remove - IOA hot plug remove entry point | |
9660 | * @pdev: pci device struct | |
9661 | * | |
9662 | * Adapter hot plug remove entry point. | |
9663 | * | |
9664 | * Return value: | |
9665 | * none | |
9666 | **/ | |
6f039790 | 9667 | static void ipr_remove(struct pci_dev *pdev) |
1da177e4 LT |
9668 | { |
9669 | struct ipr_ioa_cfg *ioa_cfg = pci_get_drvdata(pdev); | |
9670 | ||
9671 | ENTER; | |
9672 | ||
ee959b00 | 9673 | ipr_remove_trace_file(&ioa_cfg->host->shost_dev.kobj, |
1da177e4 | 9674 | &ipr_trace_attr); |
ee959b00 | 9675 | ipr_remove_dump_file(&ioa_cfg->host->shost_dev.kobj, |
1da177e4 LT |
9676 | &ipr_dump_attr); |
9677 | scsi_remove_host(ioa_cfg->host); | |
9678 | ||
9679 | __ipr_remove(pdev); | |
9680 | ||
9681 | LEAVE; | |
9682 | } | |
9683 | ||
9684 | /** | |
9685 | * ipr_probe - Adapter hot plug add entry point | |
9686 | * | |
9687 | * Return value: | |
9688 | * 0 on success / non-zero on failure | |
9689 | **/ | |
6f039790 | 9690 | static int ipr_probe(struct pci_dev *pdev, const struct pci_device_id *dev_id) |
1da177e4 LT |
9691 | { |
9692 | struct ipr_ioa_cfg *ioa_cfg; | |
9693 | int rc; | |
9694 | ||
9695 | rc = ipr_probe_ioa(pdev, dev_id); | |
9696 | ||
9697 | if (rc) | |
9698 | return rc; | |
9699 | ||
9700 | ioa_cfg = pci_get_drvdata(pdev); | |
9701 | rc = ipr_probe_ioa_part2(ioa_cfg); | |
9702 | ||
9703 | if (rc) { | |
9704 | __ipr_remove(pdev); | |
9705 | return rc; | |
9706 | } | |
9707 | ||
9708 | rc = scsi_add_host(ioa_cfg->host, &pdev->dev); | |
9709 | ||
9710 | if (rc) { | |
9711 | __ipr_remove(pdev); | |
9712 | return rc; | |
9713 | } | |
9714 | ||
ee959b00 | 9715 | rc = ipr_create_trace_file(&ioa_cfg->host->shost_dev.kobj, |
1da177e4 LT |
9716 | &ipr_trace_attr); |
9717 | ||
9718 | if (rc) { | |
9719 | scsi_remove_host(ioa_cfg->host); | |
9720 | __ipr_remove(pdev); | |
9721 | return rc; | |
9722 | } | |
9723 | ||
ee959b00 | 9724 | rc = ipr_create_dump_file(&ioa_cfg->host->shost_dev.kobj, |
1da177e4 LT |
9725 | &ipr_dump_attr); |
9726 | ||
9727 | if (rc) { | |
ee959b00 | 9728 | ipr_remove_trace_file(&ioa_cfg->host->shost_dev.kobj, |
1da177e4 LT |
9729 | &ipr_trace_attr); |
9730 | scsi_remove_host(ioa_cfg->host); | |
9731 | __ipr_remove(pdev); | |
9732 | return rc; | |
9733 | } | |
9734 | ||
9735 | scsi_scan_host(ioa_cfg->host); | |
9736 | ipr_scan_vsets(ioa_cfg); | |
9737 | scsi_add_device(ioa_cfg->host, IPR_IOA_BUS, IPR_IOA_TARGET, IPR_IOA_LUN); | |
9738 | ioa_cfg->allow_ml_add_del = 1; | |
11cd8f12 | 9739 | ioa_cfg->host->max_channel = IPR_VSET_BUS; |
1da177e4 LT |
9740 | schedule_work(&ioa_cfg->work_q); |
9741 | return 0; | |
9742 | } | |
9743 | ||
9744 | /** | |
9745 | * ipr_shutdown - Shutdown handler. | |
d18c3db5 | 9746 | * @pdev: pci device struct |
1da177e4 LT |
9747 | * |
9748 | * This function is invoked upon system shutdown/reboot. It will issue | |
9749 | * an adapter shutdown to the adapter to flush the write cache. | |
9750 | * | |
9751 | * Return value: | |
9752 | * none | |
9753 | **/ | |
d18c3db5 | 9754 | static void ipr_shutdown(struct pci_dev *pdev) |
1da177e4 | 9755 | { |
d18c3db5 | 9756 | struct ipr_ioa_cfg *ioa_cfg = pci_get_drvdata(pdev); |
1da177e4 LT |
9757 | unsigned long lock_flags = 0; |
9758 | ||
9759 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
203fa3fe | 9760 | while (ioa_cfg->in_reset_reload) { |
970ea294 BK |
9761 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
9762 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
9763 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
9764 | } | |
9765 | ||
1da177e4 LT |
9766 | ipr_initiate_ioa_bringdown(ioa_cfg, IPR_SHUTDOWN_NORMAL); |
9767 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
9768 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
9769 | } | |
9770 | ||
6f039790 | 9771 | static struct pci_device_id ipr_pci_table[] = { |
1da177e4 | 9772 | { PCI_VENDOR_ID_MYLEX, PCI_DEVICE_ID_IBM_GEMSTONE, |
6d84c944 | 9773 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_5702, 0, 0, 0 }, |
1da177e4 | 9774 | { PCI_VENDOR_ID_MYLEX, PCI_DEVICE_ID_IBM_GEMSTONE, |
6d84c944 | 9775 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_5703, 0, 0, 0 }, |
1da177e4 | 9776 | { PCI_VENDOR_ID_MYLEX, PCI_DEVICE_ID_IBM_GEMSTONE, |
6d84c944 | 9777 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_573D, 0, 0, 0 }, |
1da177e4 | 9778 | { PCI_VENDOR_ID_MYLEX, PCI_DEVICE_ID_IBM_GEMSTONE, |
6d84c944 | 9779 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_573E, 0, 0, 0 }, |
1da177e4 | 9780 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CITRINE, |
6d84c944 | 9781 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_571B, 0, 0, 0 }, |
1da177e4 | 9782 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CITRINE, |
6d84c944 | 9783 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572E, 0, 0, 0 }, |
1da177e4 | 9784 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CITRINE, |
6d84c944 | 9785 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_571A, 0, 0, 0 }, |
86f51436 | 9786 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CITRINE, |
5469cb5b BK |
9787 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_575B, 0, 0, |
9788 | IPR_USE_LONG_TRANSOP_TIMEOUT }, | |
86f51436 | 9789 | { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN, |
6d84c944 | 9790 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572A, 0, 0, 0 }, |
86f51436 | 9791 | { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN, |
22d2e402 BK |
9792 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572B, 0, 0, |
9793 | IPR_USE_LONG_TRANSOP_TIMEOUT }, | |
60e7486b | 9794 | { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN, |
5469cb5b BK |
9795 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_575C, 0, 0, |
9796 | IPR_USE_LONG_TRANSOP_TIMEOUT }, | |
86f51436 | 9797 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN, |
6d84c944 | 9798 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572A, 0, 0, 0 }, |
86f51436 | 9799 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN, |
22d2e402 BK |
9800 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572B, 0, 0, |
9801 | IPR_USE_LONG_TRANSOP_TIMEOUT}, | |
60e7486b | 9802 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN, |
5469cb5b BK |
9803 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_575C, 0, 0, |
9804 | IPR_USE_LONG_TRANSOP_TIMEOUT }, | |
185eb31c | 9805 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E, |
22d2e402 BK |
9806 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_574E, 0, 0, |
9807 | IPR_USE_LONG_TRANSOP_TIMEOUT }, | |
185eb31c BK |
9808 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E, |
9809 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B3, 0, 0, 0 }, | |
b0f56d3d WB |
9810 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E, |
9811 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57CC, 0, 0, 0 }, | |
60e7486b | 9812 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E, |
5469cb5b | 9813 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B7, 0, 0, |
463fc696 | 9814 | IPR_USE_LONG_TRANSOP_TIMEOUT | IPR_USE_PCI_WARM_RESET }, |
1da177e4 | 9815 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_SNIPE, |
6d84c944 | 9816 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_2780, 0, 0, 0 }, |
1da177e4 | 9817 | { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP, |
6d84c944 | 9818 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_571E, 0, 0, 0 }, |
86f51436 | 9819 | { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP, |
5469cb5b BK |
9820 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_571F, 0, 0, |
9821 | IPR_USE_LONG_TRANSOP_TIMEOUT }, | |
60e7486b | 9822 | { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP, |
5469cb5b BK |
9823 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572F, 0, 0, |
9824 | IPR_USE_LONG_TRANSOP_TIMEOUT }, | |
d7b4627f WB |
9825 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_FPGA_E2, |
9826 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B5, 0, 0, 0 }, | |
9827 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_FPGA_E2, | |
9828 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_574D, 0, 0, 0 }, | |
9829 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_FPGA_E2, | |
9830 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B2, 0, 0, 0 }, | |
b8d5d568 | 9831 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_FPGA_E2, |
9832 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57C0, 0, 0, 0 }, | |
5a918353 WB |
9833 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_FPGA_E2, |
9834 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57C3, 0, 0, 0 }, | |
32622bde WB |
9835 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_FPGA_E2, |
9836 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57C4, 0, 0, 0 }, | |
cd9b3d04 | 9837 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, |
d7b4627f | 9838 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B4, 0, 0, 0 }, |
cd9b3d04 | 9839 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, |
d7b4627f | 9840 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B1, 0, 0, 0 }, |
cd9b3d04 | 9841 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, |
d7b4627f | 9842 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57C6, 0, 0, 0 }, |
cd9b3d04 WB |
9843 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, |
9844 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57C8, 0, 0, 0 }, | |
9845 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, | |
d7b4627f | 9846 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57CE, 0, 0, 0 }, |
b8d5d568 | 9847 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, |
9848 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57D5, 0, 0, 0 }, | |
9849 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, | |
9850 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57D6, 0, 0, 0 }, | |
9851 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, | |
9852 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57D7, 0, 0, 0 }, | |
9853 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, | |
9854 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57D8, 0, 0, 0 }, | |
1da177e4 LT |
9855 | { } |
9856 | }; | |
9857 | MODULE_DEVICE_TABLE(pci, ipr_pci_table); | |
9858 | ||
a55b2d21 | 9859 | static const struct pci_error_handlers ipr_err_handler = { |
f8a88b19 LV |
9860 | .error_detected = ipr_pci_error_detected, |
9861 | .slot_reset = ipr_pci_slot_reset, | |
9862 | }; | |
9863 | ||
1da177e4 LT |
9864 | static struct pci_driver ipr_driver = { |
9865 | .name = IPR_NAME, | |
9866 | .id_table = ipr_pci_table, | |
9867 | .probe = ipr_probe, | |
6f039790 | 9868 | .remove = ipr_remove, |
d18c3db5 | 9869 | .shutdown = ipr_shutdown, |
f8a88b19 | 9870 | .err_handler = &ipr_err_handler, |
1da177e4 LT |
9871 | }; |
9872 | ||
f72919ec WB |
9873 | /** |
9874 | * ipr_halt_done - Shutdown prepare completion | |
9875 | * | |
9876 | * Return value: | |
9877 | * none | |
9878 | **/ | |
9879 | static void ipr_halt_done(struct ipr_cmnd *ipr_cmd) | |
9880 | { | |
05a6538a | 9881 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); |
f72919ec WB |
9882 | } |
9883 | ||
9884 | /** | |
9885 | * ipr_halt - Issue shutdown prepare to all adapters | |
9886 | * | |
9887 | * Return value: | |
9888 | * NOTIFY_OK on success / NOTIFY_DONE on failure | |
9889 | **/ | |
9890 | static int ipr_halt(struct notifier_block *nb, ulong event, void *buf) | |
9891 | { | |
9892 | struct ipr_cmnd *ipr_cmd; | |
9893 | struct ipr_ioa_cfg *ioa_cfg; | |
9894 | unsigned long flags = 0; | |
9895 | ||
9896 | if (event != SYS_RESTART && event != SYS_HALT && event != SYS_POWER_OFF) | |
9897 | return NOTIFY_DONE; | |
9898 | ||
9899 | spin_lock(&ipr_driver_lock); | |
9900 | ||
9901 | list_for_each_entry(ioa_cfg, &ipr_ioa_head, queue) { | |
9902 | spin_lock_irqsave(ioa_cfg->host->host_lock, flags); | |
56d6aa33 | 9903 | if (!ioa_cfg->hrrq[IPR_INIT_HRRQ].allow_cmds) { |
f72919ec WB |
9904 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); |
9905 | continue; | |
9906 | } | |
9907 | ||
9908 | ipr_cmd = ipr_get_free_ipr_cmnd(ioa_cfg); | |
9909 | ipr_cmd->ioarcb.res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE); | |
9910 | ipr_cmd->ioarcb.cmd_pkt.request_type = IPR_RQTYPE_IOACMD; | |
9911 | ipr_cmd->ioarcb.cmd_pkt.cdb[0] = IPR_IOA_SHUTDOWN; | |
9912 | ipr_cmd->ioarcb.cmd_pkt.cdb[1] = IPR_SHUTDOWN_PREPARE_FOR_NORMAL; | |
9913 | ||
9914 | ipr_do_req(ipr_cmd, ipr_halt_done, ipr_timeout, IPR_DEVICE_RESET_TIMEOUT); | |
9915 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); | |
9916 | } | |
9917 | spin_unlock(&ipr_driver_lock); | |
9918 | ||
9919 | return NOTIFY_OK; | |
9920 | } | |
9921 | ||
9922 | static struct notifier_block ipr_notifier = { | |
9923 | ipr_halt, NULL, 0 | |
9924 | }; | |
9925 | ||
1da177e4 LT |
9926 | /** |
9927 | * ipr_init - Module entry point | |
9928 | * | |
9929 | * Return value: | |
9930 | * 0 on success / negative value on failure | |
9931 | **/ | |
9932 | static int __init ipr_init(void) | |
9933 | { | |
9934 | ipr_info("IBM Power RAID SCSI Device Driver version: %s %s\n", | |
9935 | IPR_DRIVER_VERSION, IPR_DRIVER_DATE); | |
9936 | ||
f72919ec | 9937 | register_reboot_notifier(&ipr_notifier); |
dcbccbde | 9938 | return pci_register_driver(&ipr_driver); |
1da177e4 LT |
9939 | } |
9940 | ||
9941 | /** | |
9942 | * ipr_exit - Module unload | |
9943 | * | |
9944 | * Module unload entry point. | |
9945 | * | |
9946 | * Return value: | |
9947 | * none | |
9948 | **/ | |
9949 | static void __exit ipr_exit(void) | |
9950 | { | |
f72919ec | 9951 | unregister_reboot_notifier(&ipr_notifier); |
1da177e4 LT |
9952 | pci_unregister_driver(&ipr_driver); |
9953 | } | |
9954 | ||
9955 | module_init(ipr_init); | |
9956 | module_exit(ipr_exit); |