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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; |
1da177e4 LT |
101 | static DEFINE_SPINLOCK(ipr_driver_lock); |
102 | ||
103 | /* This table describes the differences between DMA controller chips */ | |
104 | static const struct ipr_chip_cfg_t ipr_chip_cfg[] = { | |
60e7486b | 105 | { /* Gemstone, Citrine, Obsidian, and Obsidian-E */ |
1da177e4 LT |
106 | .mailbox = 0x0042C, |
107 | .cache_line_size = 0x20, | |
108 | { | |
109 | .set_interrupt_mask_reg = 0x0022C, | |
110 | .clr_interrupt_mask_reg = 0x00230, | |
214777ba | 111 | .clr_interrupt_mask_reg32 = 0x00230, |
1da177e4 | 112 | .sense_interrupt_mask_reg = 0x0022C, |
214777ba | 113 | .sense_interrupt_mask_reg32 = 0x0022C, |
1da177e4 | 114 | .clr_interrupt_reg = 0x00228, |
214777ba | 115 | .clr_interrupt_reg32 = 0x00228, |
1da177e4 | 116 | .sense_interrupt_reg = 0x00224, |
214777ba | 117 | .sense_interrupt_reg32 = 0x00224, |
1da177e4 LT |
118 | .ioarrin_reg = 0x00404, |
119 | .sense_uproc_interrupt_reg = 0x00214, | |
214777ba | 120 | .sense_uproc_interrupt_reg32 = 0x00214, |
1da177e4 | 121 | .set_uproc_interrupt_reg = 0x00214, |
214777ba WB |
122 | .set_uproc_interrupt_reg32 = 0x00214, |
123 | .clr_uproc_interrupt_reg = 0x00218, | |
124 | .clr_uproc_interrupt_reg32 = 0x00218 | |
1da177e4 LT |
125 | } |
126 | }, | |
127 | { /* Snipe and Scamp */ | |
128 | .mailbox = 0x0052C, | |
129 | .cache_line_size = 0x20, | |
130 | { | |
131 | .set_interrupt_mask_reg = 0x00288, | |
132 | .clr_interrupt_mask_reg = 0x0028C, | |
214777ba | 133 | .clr_interrupt_mask_reg32 = 0x0028C, |
1da177e4 | 134 | .sense_interrupt_mask_reg = 0x00288, |
214777ba | 135 | .sense_interrupt_mask_reg32 = 0x00288, |
1da177e4 | 136 | .clr_interrupt_reg = 0x00284, |
214777ba | 137 | .clr_interrupt_reg32 = 0x00284, |
1da177e4 | 138 | .sense_interrupt_reg = 0x00280, |
214777ba | 139 | .sense_interrupt_reg32 = 0x00280, |
1da177e4 LT |
140 | .ioarrin_reg = 0x00504, |
141 | .sense_uproc_interrupt_reg = 0x00290, | |
214777ba | 142 | .sense_uproc_interrupt_reg32 = 0x00290, |
1da177e4 | 143 | .set_uproc_interrupt_reg = 0x00290, |
214777ba WB |
144 | .set_uproc_interrupt_reg32 = 0x00290, |
145 | .clr_uproc_interrupt_reg = 0x00294, | |
146 | .clr_uproc_interrupt_reg32 = 0x00294 | |
1da177e4 LT |
147 | } |
148 | }, | |
a74c1639 | 149 | { /* CRoC */ |
110def85 | 150 | .mailbox = 0x00044, |
a74c1639 WB |
151 | .cache_line_size = 0x20, |
152 | { | |
153 | .set_interrupt_mask_reg = 0x00010, | |
154 | .clr_interrupt_mask_reg = 0x00018, | |
214777ba | 155 | .clr_interrupt_mask_reg32 = 0x0001C, |
a74c1639 | 156 | .sense_interrupt_mask_reg = 0x00010, |
214777ba | 157 | .sense_interrupt_mask_reg32 = 0x00014, |
a74c1639 | 158 | .clr_interrupt_reg = 0x00008, |
214777ba | 159 | .clr_interrupt_reg32 = 0x0000C, |
a74c1639 | 160 | .sense_interrupt_reg = 0x00000, |
214777ba | 161 | .sense_interrupt_reg32 = 0x00004, |
a74c1639 WB |
162 | .ioarrin_reg = 0x00070, |
163 | .sense_uproc_interrupt_reg = 0x00020, | |
214777ba | 164 | .sense_uproc_interrupt_reg32 = 0x00024, |
a74c1639 | 165 | .set_uproc_interrupt_reg = 0x00020, |
214777ba | 166 | .set_uproc_interrupt_reg32 = 0x00024, |
dcbad00e | 167 | .clr_uproc_interrupt_reg = 0x00028, |
214777ba WB |
168 | .clr_uproc_interrupt_reg32 = 0x0002C, |
169 | .init_feedback_reg = 0x0005C, | |
dcbad00e | 170 | .dump_addr_reg = 0x00064, |
8701f185 WB |
171 | .dump_data_reg = 0x00068, |
172 | .endian_swap_reg = 0x00084 | |
a74c1639 WB |
173 | } |
174 | }, | |
1da177e4 LT |
175 | }; |
176 | ||
177 | static const struct ipr_chip_t ipr_chip[] = { | |
cb237ef7 WB |
178 | { PCI_VENDOR_ID_MYLEX, PCI_DEVICE_ID_IBM_GEMSTONE, IPR_USE_LSI, IPR_SIS32, IPR_PCI_CFG, &ipr_chip_cfg[0] }, |
179 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CITRINE, IPR_USE_LSI, IPR_SIS32, IPR_PCI_CFG, &ipr_chip_cfg[0] }, | |
180 | { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN, IPR_USE_LSI, IPR_SIS32, IPR_PCI_CFG, &ipr_chip_cfg[0] }, | |
181 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN, IPR_USE_LSI, IPR_SIS32, IPR_PCI_CFG, &ipr_chip_cfg[0] }, | |
182 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E, IPR_USE_MSI, IPR_SIS32, IPR_PCI_CFG, &ipr_chip_cfg[0] }, | |
183 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_SNIPE, IPR_USE_LSI, IPR_SIS32, IPR_PCI_CFG, &ipr_chip_cfg[1] }, | |
184 | { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP, IPR_USE_LSI, IPR_SIS32, IPR_PCI_CFG, &ipr_chip_cfg[1] }, | |
185 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_FPGA_E2, IPR_USE_MSI, IPR_SIS64, IPR_MMIO, &ipr_chip_cfg[2] }, | |
186 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_ASIC_E2, IPR_USE_MSI, IPR_SIS64, IPR_MMIO, &ipr_chip_cfg[2] } | |
1da177e4 LT |
187 | }; |
188 | ||
189 | static int ipr_max_bus_speeds [] = { | |
190 | IPR_80MBs_SCSI_RATE, IPR_U160_SCSI_RATE, IPR_U320_SCSI_RATE | |
191 | }; | |
192 | ||
193 | MODULE_AUTHOR("Brian King <brking@us.ibm.com>"); | |
194 | MODULE_DESCRIPTION("IBM Power RAID SCSI Adapter Driver"); | |
195 | module_param_named(max_speed, ipr_max_speed, uint, 0); | |
196 | MODULE_PARM_DESC(max_speed, "Maximum bus speed (0-2). Default: 1=U160. Speeds: 0=80 MB/s, 1=U160, 2=U320"); | |
197 | module_param_named(log_level, ipr_log_level, uint, 0); | |
198 | MODULE_PARM_DESC(log_level, "Set to 0 - 4 for increasing verbosity of device driver"); | |
199 | module_param_named(testmode, ipr_testmode, int, 0); | |
200 | MODULE_PARM_DESC(testmode, "DANGEROUS!!! Allows unsupported configurations"); | |
2cf22be0 | 201 | module_param_named(fastfail, ipr_fastfail, int, S_IRUGO | S_IWUSR); |
1da177e4 LT |
202 | MODULE_PARM_DESC(fastfail, "Reduce timeouts and retries"); |
203 | module_param_named(transop_timeout, ipr_transop_timeout, int, 0); | |
204 | MODULE_PARM_DESC(transop_timeout, "Time in seconds to wait for adapter to come operational (default: 300)"); | |
2cf22be0 | 205 | module_param_named(debug, ipr_debug, int, S_IRUGO | S_IWUSR); |
d3c74871 | 206 | MODULE_PARM_DESC(debug, "Enable device driver debugging logging. Set to 1 to enable. (default: 0)"); |
ac09c349 BK |
207 | module_param_named(dual_ioa_raid, ipr_dual_ioa_raid, int, 0); |
208 | MODULE_PARM_DESC(dual_ioa_raid, "Enable dual adapter RAID support. Set to 1 to enable. (default: 1)"); | |
3e7ebdfa WB |
209 | module_param_named(max_devs, ipr_max_devs, int, 0); |
210 | MODULE_PARM_DESC(max_devs, "Specify the maximum number of physical devices. " | |
211 | "[Default=" __stringify(IPR_DEFAULT_SIS64_DEVS) "]"); | |
1da177e4 LT |
212 | MODULE_LICENSE("GPL"); |
213 | MODULE_VERSION(IPR_DRIVER_VERSION); | |
214 | ||
1da177e4 LT |
215 | /* A constant array of IOASCs/URCs/Error Messages */ |
216 | static const | |
217 | struct ipr_error_table_t ipr_error_table[] = { | |
933916f3 | 218 | {0x00000000, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 LT |
219 | "8155: An unknown error was received"}, |
220 | {0x00330000, 0, 0, | |
221 | "Soft underlength error"}, | |
222 | {0x005A0000, 0, 0, | |
223 | "Command to be cancelled not found"}, | |
224 | {0x00808000, 0, 0, | |
225 | "Qualified success"}, | |
933916f3 | 226 | {0x01080000, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 227 | "FFFE: Soft device bus error recovered by the IOA"}, |
933916f3 | 228 | {0x01088100, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 229 | "4101: Soft device bus fabric error"}, |
5aa3a333 WB |
230 | {0x01100100, 0, IPR_DEFAULT_LOG_LEVEL, |
231 | "FFFC: Logical block guard error recovered by the device"}, | |
232 | {0x01100300, 0, IPR_DEFAULT_LOG_LEVEL, | |
233 | "FFFC: Logical block reference tag error recovered by the device"}, | |
234 | {0x01108300, 0, IPR_DEFAULT_LOG_LEVEL, | |
235 | "4171: Recovered scatter list tag / sequence number error"}, | |
236 | {0x01109000, 0, IPR_DEFAULT_LOG_LEVEL, | |
237 | "FF3D: Recovered logical block CRC error on IOA to Host transfer"}, | |
238 | {0x01109200, 0, IPR_DEFAULT_LOG_LEVEL, | |
239 | "4171: Recovered logical block sequence number error on IOA to Host transfer"}, | |
240 | {0x0110A000, 0, IPR_DEFAULT_LOG_LEVEL, | |
241 | "FFFD: Recovered logical block reference tag error detected by the IOA"}, | |
242 | {0x0110A100, 0, IPR_DEFAULT_LOG_LEVEL, | |
243 | "FFFD: Logical block guard error recovered by the IOA"}, | |
933916f3 | 244 | {0x01170600, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 245 | "FFF9: Device sector reassign successful"}, |
933916f3 | 246 | {0x01170900, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 247 | "FFF7: Media error recovered by device rewrite procedures"}, |
933916f3 | 248 | {0x01180200, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 249 | "7001: IOA sector reassignment successful"}, |
933916f3 | 250 | {0x01180500, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 251 | "FFF9: Soft media error. Sector reassignment recommended"}, |
933916f3 | 252 | {0x01180600, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 253 | "FFF7: Media error recovered by IOA rewrite procedures"}, |
933916f3 | 254 | {0x01418000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 255 | "FF3D: Soft PCI bus error recovered by the IOA"}, |
933916f3 | 256 | {0x01440000, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 257 | "FFF6: Device hardware error recovered by the IOA"}, |
933916f3 | 258 | {0x01448100, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 259 | "FFF6: Device hardware error recovered by the device"}, |
933916f3 | 260 | {0x01448200, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 261 | "FF3D: Soft IOA error recovered by the IOA"}, |
933916f3 | 262 | {0x01448300, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 263 | "FFFA: Undefined device response recovered by the IOA"}, |
933916f3 | 264 | {0x014A0000, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 265 | "FFF6: Device bus error, message or command phase"}, |
933916f3 | 266 | {0x014A8000, 0, IPR_DEFAULT_LOG_LEVEL, |
35a39691 | 267 | "FFFE: Task Management Function failed"}, |
933916f3 | 268 | {0x015D0000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 269 | "FFF6: Failure prediction threshold exceeded"}, |
933916f3 | 270 | {0x015D9200, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 LT |
271 | "8009: Impending cache battery pack failure"}, |
272 | {0x02040400, 0, 0, | |
273 | "34FF: Disk device format in progress"}, | |
65f56475 BK |
274 | {0x02048000, 0, IPR_DEFAULT_LOG_LEVEL, |
275 | "9070: IOA requested reset"}, | |
1da177e4 LT |
276 | {0x023F0000, 0, 0, |
277 | "Synchronization required"}, | |
278 | {0x024E0000, 0, 0, | |
279 | "No ready, IOA shutdown"}, | |
280 | {0x025A0000, 0, 0, | |
281 | "Not ready, IOA has been shutdown"}, | |
933916f3 | 282 | {0x02670100, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 LT |
283 | "3020: Storage subsystem configuration error"}, |
284 | {0x03110B00, 0, 0, | |
285 | "FFF5: Medium error, data unreadable, recommend reassign"}, | |
286 | {0x03110C00, 0, 0, | |
287 | "7000: Medium error, data unreadable, do not reassign"}, | |
933916f3 | 288 | {0x03310000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 289 | "FFF3: Disk media format bad"}, |
933916f3 | 290 | {0x04050000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 291 | "3002: Addressed device failed to respond to selection"}, |
933916f3 | 292 | {0x04080000, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 293 | "3100: Device bus error"}, |
933916f3 | 294 | {0x04080100, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 LT |
295 | "3109: IOA timed out a device command"}, |
296 | {0x04088000, 0, 0, | |
297 | "3120: SCSI bus is not operational"}, | |
933916f3 | 298 | {0x04088100, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 299 | "4100: Hard device bus fabric error"}, |
5aa3a333 WB |
300 | {0x04100100, 0, IPR_DEFAULT_LOG_LEVEL, |
301 | "310C: Logical block guard error detected by the device"}, | |
302 | {0x04100300, 0, IPR_DEFAULT_LOG_LEVEL, | |
303 | "310C: Logical block reference tag error detected by the device"}, | |
304 | {0x04108300, 1, IPR_DEFAULT_LOG_LEVEL, | |
305 | "4170: Scatter list tag / sequence number error"}, | |
306 | {0x04109000, 1, IPR_DEFAULT_LOG_LEVEL, | |
307 | "8150: Logical block CRC error on IOA to Host transfer"}, | |
308 | {0x04109200, 1, IPR_DEFAULT_LOG_LEVEL, | |
309 | "4170: Logical block sequence number error on IOA to Host transfer"}, | |
310 | {0x0410A000, 0, IPR_DEFAULT_LOG_LEVEL, | |
311 | "310D: Logical block reference tag error detected by the IOA"}, | |
312 | {0x0410A100, 0, IPR_DEFAULT_LOG_LEVEL, | |
313 | "310D: Logical block guard error detected by the IOA"}, | |
933916f3 | 314 | {0x04118000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 315 | "9000: IOA reserved area data check"}, |
933916f3 | 316 | {0x04118100, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 317 | "9001: IOA reserved area invalid data pattern"}, |
933916f3 | 318 | {0x04118200, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 319 | "9002: IOA reserved area LRC error"}, |
5aa3a333 WB |
320 | {0x04118300, 1, IPR_DEFAULT_LOG_LEVEL, |
321 | "Hardware Error, IOA metadata access error"}, | |
933916f3 | 322 | {0x04320000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 323 | "102E: Out of alternate sectors for disk storage"}, |
933916f3 | 324 | {0x04330000, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 325 | "FFF4: Data transfer underlength error"}, |
933916f3 | 326 | {0x04338000, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 327 | "FFF4: Data transfer overlength error"}, |
933916f3 | 328 | {0x043E0100, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 329 | "3400: Logical unit failure"}, |
933916f3 | 330 | {0x04408500, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 331 | "FFF4: Device microcode is corrupt"}, |
933916f3 | 332 | {0x04418000, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 LT |
333 | "8150: PCI bus error"}, |
334 | {0x04430000, 1, 0, | |
335 | "Unsupported device bus message received"}, | |
933916f3 | 336 | {0x04440000, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 337 | "FFF4: Disk device problem"}, |
933916f3 | 338 | {0x04448200, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 339 | "8150: Permanent IOA failure"}, |
933916f3 | 340 | {0x04448300, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 341 | "3010: Disk device returned wrong response to IOA"}, |
933916f3 | 342 | {0x04448400, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 LT |
343 | "8151: IOA microcode error"}, |
344 | {0x04448500, 0, 0, | |
345 | "Device bus status error"}, | |
933916f3 | 346 | {0x04448600, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 347 | "8157: IOA error requiring IOA reset to recover"}, |
35a39691 BK |
348 | {0x04448700, 0, 0, |
349 | "ATA device status error"}, | |
1da177e4 LT |
350 | {0x04490000, 0, 0, |
351 | "Message reject received from the device"}, | |
933916f3 | 352 | {0x04449200, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 353 | "8008: A permanent cache battery pack failure occurred"}, |
933916f3 | 354 | {0x0444A000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 355 | "9090: Disk unit has been modified after the last known status"}, |
933916f3 | 356 | {0x0444A200, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 357 | "9081: IOA detected device error"}, |
933916f3 | 358 | {0x0444A300, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 359 | "9082: IOA detected device error"}, |
933916f3 | 360 | {0x044A0000, 1, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 361 | "3110: Device bus error, message or command phase"}, |
933916f3 | 362 | {0x044A8000, 1, IPR_DEFAULT_LOG_LEVEL, |
35a39691 | 363 | "3110: SAS Command / Task Management Function failed"}, |
933916f3 | 364 | {0x04670400, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 365 | "9091: Incorrect hardware configuration change has been detected"}, |
933916f3 | 366 | {0x04678000, 0, IPR_DEFAULT_LOG_LEVEL, |
b0df54bb | 367 | "9073: Invalid multi-adapter configuration"}, |
933916f3 | 368 | {0x04678100, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 369 | "4010: Incorrect connection between cascaded expanders"}, |
933916f3 | 370 | {0x04678200, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 371 | "4020: Connections exceed IOA design limits"}, |
933916f3 | 372 | {0x04678300, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 373 | "4030: Incorrect multipath connection"}, |
933916f3 | 374 | {0x04679000, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 375 | "4110: Unsupported enclosure function"}, |
933916f3 | 376 | {0x046E0000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 LT |
377 | "FFF4: Command to logical unit failed"}, |
378 | {0x05240000, 1, 0, | |
379 | "Illegal request, invalid request type or request packet"}, | |
380 | {0x05250000, 0, 0, | |
381 | "Illegal request, invalid resource handle"}, | |
b0df54bb BK |
382 | {0x05258000, 0, 0, |
383 | "Illegal request, commands not allowed to this device"}, | |
384 | {0x05258100, 0, 0, | |
385 | "Illegal request, command not allowed to a secondary adapter"}, | |
5aa3a333 WB |
386 | {0x05258200, 0, 0, |
387 | "Illegal request, command not allowed to a non-optimized resource"}, | |
1da177e4 LT |
388 | {0x05260000, 0, 0, |
389 | "Illegal request, invalid field in parameter list"}, | |
390 | {0x05260100, 0, 0, | |
391 | "Illegal request, parameter not supported"}, | |
392 | {0x05260200, 0, 0, | |
393 | "Illegal request, parameter value invalid"}, | |
394 | {0x052C0000, 0, 0, | |
395 | "Illegal request, command sequence error"}, | |
b0df54bb BK |
396 | {0x052C8000, 1, 0, |
397 | "Illegal request, dual adapter support not enabled"}, | |
933916f3 | 398 | {0x06040500, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 399 | "9031: Array protection temporarily suspended, protection resuming"}, |
933916f3 | 400 | {0x06040600, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 401 | "9040: Array protection temporarily suspended, protection resuming"}, |
933916f3 | 402 | {0x06288000, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 403 | "3140: Device bus not ready to ready transition"}, |
933916f3 | 404 | {0x06290000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 LT |
405 | "FFFB: SCSI bus was reset"}, |
406 | {0x06290500, 0, 0, | |
407 | "FFFE: SCSI bus transition to single ended"}, | |
408 | {0x06290600, 0, 0, | |
409 | "FFFE: SCSI bus transition to LVD"}, | |
933916f3 | 410 | {0x06298000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 411 | "FFFB: SCSI bus was reset by another initiator"}, |
933916f3 | 412 | {0x063F0300, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 413 | "3029: A device replacement has occurred"}, |
933916f3 | 414 | {0x064C8000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 415 | "9051: IOA cache data exists for a missing or failed device"}, |
933916f3 | 416 | {0x064C8100, 0, IPR_DEFAULT_LOG_LEVEL, |
b0df54bb | 417 | "9055: Auxiliary cache IOA contains cache data needed by the primary IOA"}, |
933916f3 | 418 | {0x06670100, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 419 | "9025: Disk unit is not supported at its physical location"}, |
933916f3 | 420 | {0x06670600, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 421 | "3020: IOA detected a SCSI bus configuration error"}, |
933916f3 | 422 | {0x06678000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 423 | "3150: SCSI bus configuration error"}, |
933916f3 | 424 | {0x06678100, 0, IPR_DEFAULT_LOG_LEVEL, |
b0df54bb | 425 | "9074: Asymmetric advanced function disk configuration"}, |
933916f3 | 426 | {0x06678300, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 427 | "4040: Incomplete multipath connection between IOA and enclosure"}, |
933916f3 | 428 | {0x06678400, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 429 | "4041: Incomplete multipath connection between enclosure and device"}, |
933916f3 | 430 | {0x06678500, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 431 | "9075: Incomplete multipath connection between IOA and remote IOA"}, |
933916f3 | 432 | {0x06678600, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 433 | "9076: Configuration error, missing remote IOA"}, |
933916f3 | 434 | {0x06679100, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 435 | "4050: Enclosure does not support a required multipath function"}, |
b75424fc WB |
436 | {0x06690000, 0, IPR_DEFAULT_LOG_LEVEL, |
437 | "4070: Logically bad block written on device"}, | |
933916f3 | 438 | {0x06690200, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 439 | "9041: Array protection temporarily suspended"}, |
933916f3 | 440 | {0x06698200, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 441 | "9042: Corrupt array parity detected on specified device"}, |
933916f3 | 442 | {0x066B0200, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 443 | "9030: Array no longer protected due to missing or failed disk unit"}, |
933916f3 | 444 | {0x066B8000, 0, IPR_DEFAULT_LOG_LEVEL, |
b0df54bb | 445 | "9071: Link operational transition"}, |
933916f3 | 446 | {0x066B8100, 0, IPR_DEFAULT_LOG_LEVEL, |
b0df54bb | 447 | "9072: Link not operational transition"}, |
933916f3 | 448 | {0x066B8200, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 449 | "9032: Array exposed but still protected"}, |
e435340c BK |
450 | {0x066B8300, 0, IPR_DEFAULT_LOG_LEVEL + 1, |
451 | "70DD: Device forced failed by disrupt device command"}, | |
933916f3 | 452 | {0x066B9100, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 453 | "4061: Multipath redundancy level got better"}, |
933916f3 | 454 | {0x066B9200, 0, IPR_DEFAULT_LOG_LEVEL, |
896bbd21 | 455 | "4060: Multipath redundancy level got worse"}, |
1da177e4 LT |
456 | {0x07270000, 0, 0, |
457 | "Failure due to other device"}, | |
933916f3 | 458 | {0x07278000, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 459 | "9008: IOA does not support functions expected by devices"}, |
933916f3 | 460 | {0x07278100, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 461 | "9010: Cache data associated with attached devices cannot be found"}, |
933916f3 | 462 | {0x07278200, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 463 | "9011: Cache data belongs to devices other than those attached"}, |
933916f3 | 464 | {0x07278400, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 465 | "9020: Array missing 2 or more devices with only 1 device present"}, |
933916f3 | 466 | {0x07278500, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 467 | "9021: Array missing 2 or more devices with 2 or more devices present"}, |
933916f3 | 468 | {0x07278600, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 469 | "9022: Exposed array is missing a required device"}, |
933916f3 | 470 | {0x07278700, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 471 | "9023: Array member(s) not at required physical locations"}, |
933916f3 | 472 | {0x07278800, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 473 | "9024: Array not functional due to present hardware configuration"}, |
933916f3 | 474 | {0x07278900, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 475 | "9026: Array not functional due to present hardware configuration"}, |
933916f3 | 476 | {0x07278A00, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 477 | "9027: Array is missing a device and parity is out of sync"}, |
933916f3 | 478 | {0x07278B00, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 479 | "9028: Maximum number of arrays already exist"}, |
933916f3 | 480 | {0x07278C00, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 481 | "9050: Required cache data cannot be located for a disk unit"}, |
933916f3 | 482 | {0x07278D00, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 483 | "9052: Cache data exists for a device that has been modified"}, |
933916f3 | 484 | {0x07278F00, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 485 | "9054: IOA resources not available due to previous problems"}, |
933916f3 | 486 | {0x07279100, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 487 | "9092: Disk unit requires initialization before use"}, |
933916f3 | 488 | {0x07279200, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 489 | "9029: Incorrect hardware configuration change has been detected"}, |
933916f3 | 490 | {0x07279600, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 491 | "9060: One or more disk pairs are missing from an array"}, |
933916f3 | 492 | {0x07279700, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 493 | "9061: One or more disks are missing from an array"}, |
933916f3 | 494 | {0x07279800, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 | 495 | "9062: One or more disks are missing from an array"}, |
933916f3 | 496 | {0x07279900, 0, IPR_DEFAULT_LOG_LEVEL, |
1da177e4 LT |
497 | "9063: Maximum number of functional arrays has been exceeded"}, |
498 | {0x0B260000, 0, 0, | |
499 | "Aborted command, invalid descriptor"}, | |
500 | {0x0B5A0000, 0, 0, | |
501 | "Command terminated by host"} | |
502 | }; | |
503 | ||
504 | static const struct ipr_ses_table_entry ipr_ses_table[] = { | |
505 | { "2104-DL1 ", "XXXXXXXXXXXXXXXX", 80 }, | |
506 | { "2104-TL1 ", "XXXXXXXXXXXXXXXX", 80 }, | |
507 | { "HSBP07M P U2SCSI", "XXXXXXXXXXXXXXXX", 80 }, /* Hidive 7 slot */ | |
508 | { "HSBP05M P U2SCSI", "XXXXXXXXXXXXXXXX", 80 }, /* Hidive 5 slot */ | |
509 | { "HSBP05M S U2SCSI", "XXXXXXXXXXXXXXXX", 80 }, /* Bowtie */ | |
510 | { "HSBP06E ASU2SCSI", "XXXXXXXXXXXXXXXX", 80 }, /* MartinFenning */ | |
511 | { "2104-DU3 ", "XXXXXXXXXXXXXXXX", 160 }, | |
512 | { "2104-TU3 ", "XXXXXXXXXXXXXXXX", 160 }, | |
513 | { "HSBP04C RSU2SCSI", "XXXXXXX*XXXXXXXX", 160 }, | |
514 | { "HSBP06E RSU2SCSI", "XXXXXXX*XXXXXXXX", 160 }, | |
515 | { "St V1S2 ", "XXXXXXXXXXXXXXXX", 160 }, | |
516 | { "HSBPD4M PU3SCSI", "XXXXXXX*XXXXXXXX", 160 }, | |
517 | { "VSBPD1H U3SCSI", "XXXXXXX*XXXXXXXX", 160 } | |
518 | }; | |
519 | ||
520 | /* | |
521 | * Function Prototypes | |
522 | */ | |
523 | static int ipr_reset_alert(struct ipr_cmnd *); | |
524 | static void ipr_process_ccn(struct ipr_cmnd *); | |
525 | static void ipr_process_error(struct ipr_cmnd *); | |
526 | static void ipr_reset_ioa_job(struct ipr_cmnd *); | |
527 | static void ipr_initiate_ioa_reset(struct ipr_ioa_cfg *, | |
528 | enum ipr_shutdown_type); | |
529 | ||
530 | #ifdef CONFIG_SCSI_IPR_TRACE | |
531 | /** | |
532 | * ipr_trc_hook - Add a trace entry to the driver trace | |
533 | * @ipr_cmd: ipr command struct | |
534 | * @type: trace type | |
535 | * @add_data: additional data | |
536 | * | |
537 | * Return value: | |
538 | * none | |
539 | **/ | |
540 | static void ipr_trc_hook(struct ipr_cmnd *ipr_cmd, | |
541 | u8 type, u32 add_data) | |
542 | { | |
543 | struct ipr_trace_entry *trace_entry; | |
544 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
545 | ||
546 | trace_entry = &ioa_cfg->trace[ioa_cfg->trace_index++]; | |
547 | trace_entry->time = jiffies; | |
548 | trace_entry->op_code = ipr_cmd->ioarcb.cmd_pkt.cdb[0]; | |
549 | trace_entry->type = type; | |
a32c055f WB |
550 | if (ipr_cmd->ioa_cfg->sis64) |
551 | trace_entry->ata_op_code = ipr_cmd->i.ata_ioadl.regs.command; | |
552 | else | |
553 | trace_entry->ata_op_code = ipr_cmd->ioarcb.u.add_data.u.regs.command; | |
35a39691 | 554 | trace_entry->cmd_index = ipr_cmd->cmd_index & 0xff; |
1da177e4 LT |
555 | trace_entry->res_handle = ipr_cmd->ioarcb.res_handle; |
556 | trace_entry->u.add_data = add_data; | |
557 | } | |
558 | #else | |
559 | #define ipr_trc_hook(ipr_cmd, type, add_data) do { } while(0) | |
560 | #endif | |
561 | ||
562 | /** | |
563 | * ipr_reinit_ipr_cmnd - Re-initialize an IPR Cmnd block for reuse | |
564 | * @ipr_cmd: ipr command struct | |
565 | * | |
566 | * Return value: | |
567 | * none | |
568 | **/ | |
569 | static void ipr_reinit_ipr_cmnd(struct ipr_cmnd *ipr_cmd) | |
570 | { | |
571 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
96d21f00 WB |
572 | struct ipr_ioasa *ioasa = &ipr_cmd->s.ioasa; |
573 | struct ipr_ioasa64 *ioasa64 = &ipr_cmd->s.ioasa64; | |
a32c055f | 574 | dma_addr_t dma_addr = ipr_cmd->dma_addr; |
1da177e4 LT |
575 | |
576 | memset(&ioarcb->cmd_pkt, 0, sizeof(struct ipr_cmd_pkt)); | |
a32c055f | 577 | ioarcb->data_transfer_length = 0; |
1da177e4 | 578 | ioarcb->read_data_transfer_length = 0; |
a32c055f | 579 | ioarcb->ioadl_len = 0; |
1da177e4 | 580 | ioarcb->read_ioadl_len = 0; |
a32c055f | 581 | |
96d21f00 | 582 | if (ipr_cmd->ioa_cfg->sis64) { |
a32c055f WB |
583 | ioarcb->u.sis64_addr_data.data_ioadl_addr = |
584 | cpu_to_be64(dma_addr + offsetof(struct ipr_cmnd, i.ioadl64)); | |
96d21f00 WB |
585 | ioasa64->u.gata.status = 0; |
586 | } else { | |
a32c055f WB |
587 | ioarcb->write_ioadl_addr = |
588 | cpu_to_be32(dma_addr + offsetof(struct ipr_cmnd, i.ioadl)); | |
589 | ioarcb->read_ioadl_addr = ioarcb->write_ioadl_addr; | |
96d21f00 | 590 | ioasa->u.gata.status = 0; |
a32c055f WB |
591 | } |
592 | ||
96d21f00 WB |
593 | ioasa->hdr.ioasc = 0; |
594 | ioasa->hdr.residual_data_len = 0; | |
1da177e4 | 595 | ipr_cmd->scsi_cmd = NULL; |
35a39691 | 596 | ipr_cmd->qc = NULL; |
1da177e4 LT |
597 | ipr_cmd->sense_buffer[0] = 0; |
598 | ipr_cmd->dma_use_sg = 0; | |
599 | } | |
600 | ||
601 | /** | |
602 | * ipr_init_ipr_cmnd - Initialize an IPR Cmnd block | |
603 | * @ipr_cmd: ipr command struct | |
604 | * | |
605 | * Return value: | |
606 | * none | |
607 | **/ | |
608 | static void ipr_init_ipr_cmnd(struct ipr_cmnd *ipr_cmd) | |
609 | { | |
610 | ipr_reinit_ipr_cmnd(ipr_cmd); | |
611 | ipr_cmd->u.scratch = 0; | |
612 | ipr_cmd->sibling = NULL; | |
613 | init_timer(&ipr_cmd->timer); | |
614 | } | |
615 | ||
616 | /** | |
617 | * ipr_get_free_ipr_cmnd - Get a free IPR Cmnd block | |
618 | * @ioa_cfg: ioa config struct | |
619 | * | |
620 | * Return value: | |
621 | * pointer to ipr command struct | |
622 | **/ | |
623 | static | |
624 | struct ipr_cmnd *ipr_get_free_ipr_cmnd(struct ipr_ioa_cfg *ioa_cfg) | |
625 | { | |
626 | struct ipr_cmnd *ipr_cmd; | |
627 | ||
628 | ipr_cmd = list_entry(ioa_cfg->free_q.next, struct ipr_cmnd, queue); | |
629 | list_del(&ipr_cmd->queue); | |
630 | ipr_init_ipr_cmnd(ipr_cmd); | |
631 | ||
632 | return ipr_cmd; | |
633 | } | |
634 | ||
1da177e4 LT |
635 | /** |
636 | * ipr_mask_and_clear_interrupts - Mask all and clear specified interrupts | |
637 | * @ioa_cfg: ioa config struct | |
638 | * @clr_ints: interrupts to clear | |
639 | * | |
640 | * This function masks all interrupts on the adapter, then clears the | |
641 | * interrupts specified in the mask | |
642 | * | |
643 | * Return value: | |
644 | * none | |
645 | **/ | |
646 | static void ipr_mask_and_clear_interrupts(struct ipr_ioa_cfg *ioa_cfg, | |
647 | u32 clr_ints) | |
648 | { | |
649 | volatile u32 int_reg; | |
650 | ||
651 | /* Stop new interrupts */ | |
652 | ioa_cfg->allow_interrupts = 0; | |
653 | ||
654 | /* Set interrupt mask to stop all new interrupts */ | |
214777ba WB |
655 | if (ioa_cfg->sis64) |
656 | writeq(~0, ioa_cfg->regs.set_interrupt_mask_reg); | |
657 | else | |
658 | writel(~0, ioa_cfg->regs.set_interrupt_mask_reg); | |
1da177e4 LT |
659 | |
660 | /* Clear any pending interrupts */ | |
214777ba WB |
661 | if (ioa_cfg->sis64) |
662 | writel(~0, ioa_cfg->regs.clr_interrupt_reg); | |
663 | writel(clr_ints, ioa_cfg->regs.clr_interrupt_reg32); | |
1da177e4 LT |
664 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg); |
665 | } | |
666 | ||
667 | /** | |
668 | * ipr_save_pcix_cmd_reg - Save PCI-X command register | |
669 | * @ioa_cfg: ioa config struct | |
670 | * | |
671 | * Return value: | |
672 | * 0 on success / -EIO on failure | |
673 | **/ | |
674 | static int ipr_save_pcix_cmd_reg(struct ipr_ioa_cfg *ioa_cfg) | |
675 | { | |
676 | int pcix_cmd_reg = pci_find_capability(ioa_cfg->pdev, PCI_CAP_ID_PCIX); | |
677 | ||
7dce0e1c BK |
678 | if (pcix_cmd_reg == 0) |
679 | return 0; | |
1da177e4 LT |
680 | |
681 | if (pci_read_config_word(ioa_cfg->pdev, pcix_cmd_reg + PCI_X_CMD, | |
682 | &ioa_cfg->saved_pcix_cmd_reg) != PCIBIOS_SUCCESSFUL) { | |
683 | dev_err(&ioa_cfg->pdev->dev, "Failed to save PCI-X command register\n"); | |
684 | return -EIO; | |
685 | } | |
686 | ||
687 | ioa_cfg->saved_pcix_cmd_reg |= PCI_X_CMD_DPERR_E | PCI_X_CMD_ERO; | |
688 | return 0; | |
689 | } | |
690 | ||
691 | /** | |
692 | * ipr_set_pcix_cmd_reg - Setup PCI-X command register | |
693 | * @ioa_cfg: ioa config struct | |
694 | * | |
695 | * Return value: | |
696 | * 0 on success / -EIO on failure | |
697 | **/ | |
698 | static int ipr_set_pcix_cmd_reg(struct ipr_ioa_cfg *ioa_cfg) | |
699 | { | |
700 | int pcix_cmd_reg = pci_find_capability(ioa_cfg->pdev, PCI_CAP_ID_PCIX); | |
701 | ||
702 | if (pcix_cmd_reg) { | |
703 | if (pci_write_config_word(ioa_cfg->pdev, pcix_cmd_reg + PCI_X_CMD, | |
704 | ioa_cfg->saved_pcix_cmd_reg) != PCIBIOS_SUCCESSFUL) { | |
705 | dev_err(&ioa_cfg->pdev->dev, "Failed to setup PCI-X command register\n"); | |
706 | return -EIO; | |
707 | } | |
1da177e4 LT |
708 | } |
709 | ||
710 | return 0; | |
711 | } | |
712 | ||
35a39691 BK |
713 | /** |
714 | * ipr_sata_eh_done - done function for aborted SATA commands | |
715 | * @ipr_cmd: ipr command struct | |
716 | * | |
717 | * This function is invoked for ops generated to SATA | |
718 | * devices which are being aborted. | |
719 | * | |
720 | * Return value: | |
721 | * none | |
722 | **/ | |
723 | static void ipr_sata_eh_done(struct ipr_cmnd *ipr_cmd) | |
724 | { | |
725 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
726 | struct ata_queued_cmd *qc = ipr_cmd->qc; | |
727 | struct ipr_sata_port *sata_port = qc->ap->private_data; | |
728 | ||
729 | qc->err_mask |= AC_ERR_OTHER; | |
730 | sata_port->ioasa.status |= ATA_BUSY; | |
731 | list_add_tail(&ipr_cmd->queue, &ioa_cfg->free_q); | |
732 | ata_qc_complete(qc); | |
733 | } | |
734 | ||
1da177e4 LT |
735 | /** |
736 | * ipr_scsi_eh_done - mid-layer done function for aborted ops | |
737 | * @ipr_cmd: ipr command struct | |
738 | * | |
739 | * This function is invoked by the interrupt handler for | |
740 | * ops generated by the SCSI mid-layer which are being aborted. | |
741 | * | |
742 | * Return value: | |
743 | * none | |
744 | **/ | |
745 | static void ipr_scsi_eh_done(struct ipr_cmnd *ipr_cmd) | |
746 | { | |
747 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
748 | struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd; | |
749 | ||
750 | scsi_cmd->result |= (DID_ERROR << 16); | |
751 | ||
63015bc9 | 752 | scsi_dma_unmap(ipr_cmd->scsi_cmd); |
1da177e4 LT |
753 | scsi_cmd->scsi_done(scsi_cmd); |
754 | list_add_tail(&ipr_cmd->queue, &ioa_cfg->free_q); | |
755 | } | |
756 | ||
757 | /** | |
758 | * ipr_fail_all_ops - Fails all outstanding ops. | |
759 | * @ioa_cfg: ioa config struct | |
760 | * | |
761 | * This function fails all outstanding ops. | |
762 | * | |
763 | * Return value: | |
764 | * none | |
765 | **/ | |
766 | static void ipr_fail_all_ops(struct ipr_ioa_cfg *ioa_cfg) | |
767 | { | |
768 | struct ipr_cmnd *ipr_cmd, *temp; | |
769 | ||
770 | ENTER; | |
771 | list_for_each_entry_safe(ipr_cmd, temp, &ioa_cfg->pending_q, queue) { | |
772 | list_del(&ipr_cmd->queue); | |
773 | ||
96d21f00 WB |
774 | ipr_cmd->s.ioasa.hdr.ioasc = cpu_to_be32(IPR_IOASC_IOA_WAS_RESET); |
775 | ipr_cmd->s.ioasa.hdr.ilid = cpu_to_be32(IPR_DRIVER_ILID); | |
1da177e4 LT |
776 | |
777 | if (ipr_cmd->scsi_cmd) | |
778 | ipr_cmd->done = ipr_scsi_eh_done; | |
35a39691 BK |
779 | else if (ipr_cmd->qc) |
780 | ipr_cmd->done = ipr_sata_eh_done; | |
1da177e4 LT |
781 | |
782 | ipr_trc_hook(ipr_cmd, IPR_TRACE_FINISH, IPR_IOASC_IOA_WAS_RESET); | |
783 | del_timer(&ipr_cmd->timer); | |
784 | ipr_cmd->done(ipr_cmd); | |
785 | } | |
786 | ||
787 | LEAVE; | |
788 | } | |
789 | ||
a32c055f WB |
790 | /** |
791 | * ipr_send_command - Send driver initiated requests. | |
792 | * @ipr_cmd: ipr command struct | |
793 | * | |
794 | * This function sends a command to the adapter using the correct write call. | |
795 | * In the case of sis64, calculate the ioarcb size required. Then or in the | |
796 | * appropriate bits. | |
797 | * | |
798 | * Return value: | |
799 | * none | |
800 | **/ | |
801 | static void ipr_send_command(struct ipr_cmnd *ipr_cmd) | |
802 | { | |
803 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
804 | dma_addr_t send_dma_addr = ipr_cmd->dma_addr; | |
805 | ||
806 | if (ioa_cfg->sis64) { | |
807 | /* The default size is 256 bytes */ | |
808 | send_dma_addr |= 0x1; | |
809 | ||
810 | /* If the number of ioadls * size of ioadl > 128 bytes, | |
811 | then use a 512 byte ioarcb */ | |
812 | if (ipr_cmd->dma_use_sg * sizeof(struct ipr_ioadl64_desc) > 128 ) | |
813 | send_dma_addr |= 0x4; | |
814 | writeq(send_dma_addr, ioa_cfg->regs.ioarrin_reg); | |
815 | } else | |
816 | writel(send_dma_addr, ioa_cfg->regs.ioarrin_reg); | |
817 | } | |
818 | ||
1da177e4 LT |
819 | /** |
820 | * ipr_do_req - Send driver initiated requests. | |
821 | * @ipr_cmd: ipr command struct | |
822 | * @done: done function | |
823 | * @timeout_func: timeout function | |
824 | * @timeout: timeout value | |
825 | * | |
826 | * This function sends the specified command to the adapter with the | |
827 | * timeout given. The done function is invoked on command completion. | |
828 | * | |
829 | * Return value: | |
830 | * none | |
831 | **/ | |
832 | static void ipr_do_req(struct ipr_cmnd *ipr_cmd, | |
833 | void (*done) (struct ipr_cmnd *), | |
834 | void (*timeout_func) (struct ipr_cmnd *), u32 timeout) | |
835 | { | |
836 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
837 | ||
838 | list_add_tail(&ipr_cmd->queue, &ioa_cfg->pending_q); | |
839 | ||
840 | ipr_cmd->done = done; | |
841 | ||
842 | ipr_cmd->timer.data = (unsigned long) ipr_cmd; | |
843 | ipr_cmd->timer.expires = jiffies + timeout; | |
844 | ipr_cmd->timer.function = (void (*)(unsigned long))timeout_func; | |
845 | ||
846 | add_timer(&ipr_cmd->timer); | |
847 | ||
848 | ipr_trc_hook(ipr_cmd, IPR_TRACE_START, 0); | |
849 | ||
850 | mb(); | |
a32c055f WB |
851 | |
852 | ipr_send_command(ipr_cmd); | |
1da177e4 LT |
853 | } |
854 | ||
855 | /** | |
856 | * ipr_internal_cmd_done - Op done function for an internally generated op. | |
857 | * @ipr_cmd: ipr command struct | |
858 | * | |
859 | * This function is the op done function for an internally generated, | |
860 | * blocking op. It simply wakes the sleeping thread. | |
861 | * | |
862 | * Return value: | |
863 | * none | |
864 | **/ | |
865 | static void ipr_internal_cmd_done(struct ipr_cmnd *ipr_cmd) | |
866 | { | |
867 | if (ipr_cmd->sibling) | |
868 | ipr_cmd->sibling = NULL; | |
869 | else | |
870 | complete(&ipr_cmd->completion); | |
871 | } | |
872 | ||
a32c055f WB |
873 | /** |
874 | * ipr_init_ioadl - initialize the ioadl for the correct SIS type | |
875 | * @ipr_cmd: ipr command struct | |
876 | * @dma_addr: dma address | |
877 | * @len: transfer length | |
878 | * @flags: ioadl flag value | |
879 | * | |
880 | * This function initializes an ioadl in the case where there is only a single | |
881 | * descriptor. | |
882 | * | |
883 | * Return value: | |
884 | * nothing | |
885 | **/ | |
886 | static void ipr_init_ioadl(struct ipr_cmnd *ipr_cmd, dma_addr_t dma_addr, | |
887 | u32 len, int flags) | |
888 | { | |
889 | struct ipr_ioadl_desc *ioadl = ipr_cmd->i.ioadl; | |
890 | struct ipr_ioadl64_desc *ioadl64 = ipr_cmd->i.ioadl64; | |
891 | ||
892 | ipr_cmd->dma_use_sg = 1; | |
893 | ||
894 | if (ipr_cmd->ioa_cfg->sis64) { | |
895 | ioadl64->flags = cpu_to_be32(flags); | |
896 | ioadl64->data_len = cpu_to_be32(len); | |
897 | ioadl64->address = cpu_to_be64(dma_addr); | |
898 | ||
899 | ipr_cmd->ioarcb.ioadl_len = | |
900 | cpu_to_be32(sizeof(struct ipr_ioadl64_desc)); | |
901 | ipr_cmd->ioarcb.data_transfer_length = cpu_to_be32(len); | |
902 | } else { | |
903 | ioadl->flags_and_data_len = cpu_to_be32(flags | len); | |
904 | ioadl->address = cpu_to_be32(dma_addr); | |
905 | ||
906 | if (flags == IPR_IOADL_FLAGS_READ_LAST) { | |
907 | ipr_cmd->ioarcb.read_ioadl_len = | |
908 | cpu_to_be32(sizeof(struct ipr_ioadl_desc)); | |
909 | ipr_cmd->ioarcb.read_data_transfer_length = cpu_to_be32(len); | |
910 | } else { | |
911 | ipr_cmd->ioarcb.ioadl_len = | |
912 | cpu_to_be32(sizeof(struct ipr_ioadl_desc)); | |
913 | ipr_cmd->ioarcb.data_transfer_length = cpu_to_be32(len); | |
914 | } | |
915 | } | |
916 | } | |
917 | ||
1da177e4 LT |
918 | /** |
919 | * ipr_send_blocking_cmd - Send command and sleep on its completion. | |
920 | * @ipr_cmd: ipr command struct | |
921 | * @timeout_func: function to invoke if command times out | |
922 | * @timeout: timeout | |
923 | * | |
924 | * Return value: | |
925 | * none | |
926 | **/ | |
927 | static void ipr_send_blocking_cmd(struct ipr_cmnd *ipr_cmd, | |
928 | void (*timeout_func) (struct ipr_cmnd *ipr_cmd), | |
929 | u32 timeout) | |
930 | { | |
931 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
932 | ||
933 | init_completion(&ipr_cmd->completion); | |
934 | ipr_do_req(ipr_cmd, ipr_internal_cmd_done, timeout_func, timeout); | |
935 | ||
936 | spin_unlock_irq(ioa_cfg->host->host_lock); | |
937 | wait_for_completion(&ipr_cmd->completion); | |
938 | spin_lock_irq(ioa_cfg->host->host_lock); | |
939 | } | |
940 | ||
941 | /** | |
942 | * ipr_send_hcam - Send an HCAM to the adapter. | |
943 | * @ioa_cfg: ioa config struct | |
944 | * @type: HCAM type | |
945 | * @hostrcb: hostrcb struct | |
946 | * | |
947 | * This function will send a Host Controlled Async command to the adapter. | |
948 | * If HCAMs are currently not allowed to be issued to the adapter, it will | |
949 | * place the hostrcb on the free queue. | |
950 | * | |
951 | * Return value: | |
952 | * none | |
953 | **/ | |
954 | static void ipr_send_hcam(struct ipr_ioa_cfg *ioa_cfg, u8 type, | |
955 | struct ipr_hostrcb *hostrcb) | |
956 | { | |
957 | struct ipr_cmnd *ipr_cmd; | |
958 | struct ipr_ioarcb *ioarcb; | |
959 | ||
960 | if (ioa_cfg->allow_cmds) { | |
961 | ipr_cmd = ipr_get_free_ipr_cmnd(ioa_cfg); | |
962 | list_add_tail(&ipr_cmd->queue, &ioa_cfg->pending_q); | |
963 | list_add_tail(&hostrcb->queue, &ioa_cfg->hostrcb_pending_q); | |
964 | ||
965 | ipr_cmd->u.hostrcb = hostrcb; | |
966 | ioarcb = &ipr_cmd->ioarcb; | |
967 | ||
968 | ioarcb->res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE); | |
969 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_HCAM; | |
970 | ioarcb->cmd_pkt.cdb[0] = IPR_HOST_CONTROLLED_ASYNC; | |
971 | ioarcb->cmd_pkt.cdb[1] = type; | |
972 | ioarcb->cmd_pkt.cdb[7] = (sizeof(hostrcb->hcam) >> 8) & 0xff; | |
973 | ioarcb->cmd_pkt.cdb[8] = sizeof(hostrcb->hcam) & 0xff; | |
974 | ||
a32c055f WB |
975 | ipr_init_ioadl(ipr_cmd, hostrcb->hostrcb_dma, |
976 | sizeof(hostrcb->hcam), IPR_IOADL_FLAGS_READ_LAST); | |
1da177e4 LT |
977 | |
978 | if (type == IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE) | |
979 | ipr_cmd->done = ipr_process_ccn; | |
980 | else | |
981 | ipr_cmd->done = ipr_process_error; | |
982 | ||
983 | ipr_trc_hook(ipr_cmd, IPR_TRACE_START, IPR_IOA_RES_ADDR); | |
984 | ||
985 | mb(); | |
a32c055f WB |
986 | |
987 | ipr_send_command(ipr_cmd); | |
1da177e4 LT |
988 | } else { |
989 | list_add_tail(&hostrcb->queue, &ioa_cfg->hostrcb_free_q); | |
990 | } | |
991 | } | |
992 | ||
3e7ebdfa WB |
993 | /** |
994 | * ipr_update_ata_class - Update the ata class in the resource entry | |
995 | * @res: resource entry struct | |
996 | * @proto: cfgte device bus protocol value | |
997 | * | |
998 | * Return value: | |
999 | * none | |
1000 | **/ | |
1001 | static void ipr_update_ata_class(struct ipr_resource_entry *res, unsigned int proto) | |
1002 | { | |
1003 | switch(proto) { | |
1004 | case IPR_PROTO_SATA: | |
1005 | case IPR_PROTO_SAS_STP: | |
1006 | res->ata_class = ATA_DEV_ATA; | |
1007 | break; | |
1008 | case IPR_PROTO_SATA_ATAPI: | |
1009 | case IPR_PROTO_SAS_STP_ATAPI: | |
1010 | res->ata_class = ATA_DEV_ATAPI; | |
1011 | break; | |
1012 | default: | |
1013 | res->ata_class = ATA_DEV_UNKNOWN; | |
1014 | break; | |
1015 | }; | |
1016 | } | |
1017 | ||
1da177e4 LT |
1018 | /** |
1019 | * ipr_init_res_entry - Initialize a resource entry struct. | |
1020 | * @res: resource entry struct | |
3e7ebdfa | 1021 | * @cfgtew: config table entry wrapper struct |
1da177e4 LT |
1022 | * |
1023 | * Return value: | |
1024 | * none | |
1025 | **/ | |
3e7ebdfa WB |
1026 | static void ipr_init_res_entry(struct ipr_resource_entry *res, |
1027 | struct ipr_config_table_entry_wrapper *cfgtew) | |
1da177e4 | 1028 | { |
3e7ebdfa WB |
1029 | int found = 0; |
1030 | unsigned int proto; | |
1031 | struct ipr_ioa_cfg *ioa_cfg = res->ioa_cfg; | |
1032 | struct ipr_resource_entry *gscsi_res = NULL; | |
1033 | ||
ee0a90fa | 1034 | res->needs_sync_complete = 0; |
1da177e4 LT |
1035 | res->in_erp = 0; |
1036 | res->add_to_ml = 0; | |
1037 | res->del_from_ml = 0; | |
1038 | res->resetting_device = 0; | |
1039 | res->sdev = NULL; | |
35a39691 | 1040 | res->sata_port = NULL; |
3e7ebdfa WB |
1041 | |
1042 | if (ioa_cfg->sis64) { | |
1043 | proto = cfgtew->u.cfgte64->proto; | |
1044 | res->res_flags = cfgtew->u.cfgte64->res_flags; | |
1045 | res->qmodel = IPR_QUEUEING_MODEL64(res); | |
438b0331 | 1046 | res->type = cfgtew->u.cfgte64->res_type; |
3e7ebdfa WB |
1047 | |
1048 | memcpy(res->res_path, &cfgtew->u.cfgte64->res_path, | |
1049 | sizeof(res->res_path)); | |
1050 | ||
1051 | res->bus = 0; | |
0cb992ed WB |
1052 | memcpy(&res->dev_lun.scsi_lun, &cfgtew->u.cfgte64->lun, |
1053 | sizeof(res->dev_lun.scsi_lun)); | |
3e7ebdfa WB |
1054 | res->lun = scsilun_to_int(&res->dev_lun); |
1055 | ||
1056 | if (res->type == IPR_RES_TYPE_GENERIC_SCSI) { | |
1057 | list_for_each_entry(gscsi_res, &ioa_cfg->used_res_q, queue) { | |
1058 | if (gscsi_res->dev_id == cfgtew->u.cfgte64->dev_id) { | |
1059 | found = 1; | |
1060 | res->target = gscsi_res->target; | |
1061 | break; | |
1062 | } | |
1063 | } | |
1064 | if (!found) { | |
1065 | res->target = find_first_zero_bit(ioa_cfg->target_ids, | |
1066 | ioa_cfg->max_devs_supported); | |
1067 | set_bit(res->target, ioa_cfg->target_ids); | |
1068 | } | |
3e7ebdfa WB |
1069 | } else if (res->type == IPR_RES_TYPE_IOAFP) { |
1070 | res->bus = IPR_IOAFP_VIRTUAL_BUS; | |
1071 | res->target = 0; | |
1072 | } else if (res->type == IPR_RES_TYPE_ARRAY) { | |
1073 | res->bus = IPR_ARRAY_VIRTUAL_BUS; | |
1074 | res->target = find_first_zero_bit(ioa_cfg->array_ids, | |
1075 | ioa_cfg->max_devs_supported); | |
1076 | set_bit(res->target, ioa_cfg->array_ids); | |
1077 | } else if (res->type == IPR_RES_TYPE_VOLUME_SET) { | |
1078 | res->bus = IPR_VSET_VIRTUAL_BUS; | |
1079 | res->target = find_first_zero_bit(ioa_cfg->vset_ids, | |
1080 | ioa_cfg->max_devs_supported); | |
1081 | set_bit(res->target, ioa_cfg->vset_ids); | |
1082 | } else { | |
1083 | res->target = find_first_zero_bit(ioa_cfg->target_ids, | |
1084 | ioa_cfg->max_devs_supported); | |
1085 | set_bit(res->target, ioa_cfg->target_ids); | |
1086 | } | |
1087 | } else { | |
1088 | proto = cfgtew->u.cfgte->proto; | |
1089 | res->qmodel = IPR_QUEUEING_MODEL(res); | |
1090 | res->flags = cfgtew->u.cfgte->flags; | |
1091 | if (res->flags & IPR_IS_IOA_RESOURCE) | |
1092 | res->type = IPR_RES_TYPE_IOAFP; | |
1093 | else | |
1094 | res->type = cfgtew->u.cfgte->rsvd_subtype & 0x0f; | |
1095 | ||
1096 | res->bus = cfgtew->u.cfgte->res_addr.bus; | |
1097 | res->target = cfgtew->u.cfgte->res_addr.target; | |
1098 | res->lun = cfgtew->u.cfgte->res_addr.lun; | |
46d74563 | 1099 | res->lun_wwn = get_unaligned_be64(cfgtew->u.cfgte->lun_wwn); |
3e7ebdfa WB |
1100 | } |
1101 | ||
1102 | ipr_update_ata_class(res, proto); | |
1103 | } | |
1104 | ||
1105 | /** | |
1106 | * ipr_is_same_device - Determine if two devices are the same. | |
1107 | * @res: resource entry struct | |
1108 | * @cfgtew: config table entry wrapper struct | |
1109 | * | |
1110 | * Return value: | |
1111 | * 1 if the devices are the same / 0 otherwise | |
1112 | **/ | |
1113 | static int ipr_is_same_device(struct ipr_resource_entry *res, | |
1114 | struct ipr_config_table_entry_wrapper *cfgtew) | |
1115 | { | |
1116 | if (res->ioa_cfg->sis64) { | |
1117 | if (!memcmp(&res->dev_id, &cfgtew->u.cfgte64->dev_id, | |
1118 | sizeof(cfgtew->u.cfgte64->dev_id)) && | |
0cb992ed | 1119 | !memcmp(&res->dev_lun.scsi_lun, &cfgtew->u.cfgte64->lun, |
3e7ebdfa WB |
1120 | sizeof(cfgtew->u.cfgte64->lun))) { |
1121 | return 1; | |
1122 | } | |
1123 | } else { | |
1124 | if (res->bus == cfgtew->u.cfgte->res_addr.bus && | |
1125 | res->target == cfgtew->u.cfgte->res_addr.target && | |
1126 | res->lun == cfgtew->u.cfgte->res_addr.lun) | |
1127 | return 1; | |
1128 | } | |
1129 | ||
1130 | return 0; | |
1131 | } | |
1132 | ||
1133 | /** | |
5adcbeb3 | 1134 | * ipr_format_res_path - Format the resource path for printing. |
3e7ebdfa WB |
1135 | * @res_path: resource path |
1136 | * @buf: buffer | |
1137 | * | |
1138 | * Return value: | |
1139 | * pointer to buffer | |
1140 | **/ | |
5adcbeb3 | 1141 | static char *ipr_format_res_path(u8 *res_path, char *buffer, int len) |
3e7ebdfa WB |
1142 | { |
1143 | int i; | |
5adcbeb3 | 1144 | char *p = buffer; |
3e7ebdfa | 1145 | |
46d74563 | 1146 | *p = '\0'; |
5adcbeb3 WB |
1147 | p += snprintf(p, buffer + len - p, "%02X", res_path[0]); |
1148 | for (i = 1; res_path[i] != 0xff && ((i * 3) < len); i++) | |
1149 | p += snprintf(p, buffer + len - p, "-%02X", res_path[i]); | |
3e7ebdfa WB |
1150 | |
1151 | return buffer; | |
1152 | } | |
1153 | ||
1154 | /** | |
1155 | * ipr_update_res_entry - Update the resource entry. | |
1156 | * @res: resource entry struct | |
1157 | * @cfgtew: config table entry wrapper struct | |
1158 | * | |
1159 | * Return value: | |
1160 | * none | |
1161 | **/ | |
1162 | static void ipr_update_res_entry(struct ipr_resource_entry *res, | |
1163 | struct ipr_config_table_entry_wrapper *cfgtew) | |
1164 | { | |
1165 | char buffer[IPR_MAX_RES_PATH_LENGTH]; | |
1166 | unsigned int proto; | |
1167 | int new_path = 0; | |
1168 | ||
1169 | if (res->ioa_cfg->sis64) { | |
1170 | res->flags = cfgtew->u.cfgte64->flags; | |
1171 | res->res_flags = cfgtew->u.cfgte64->res_flags; | |
75576bb9 | 1172 | res->type = cfgtew->u.cfgte64->res_type; |
3e7ebdfa WB |
1173 | |
1174 | memcpy(&res->std_inq_data, &cfgtew->u.cfgte64->std_inq_data, | |
1175 | sizeof(struct ipr_std_inq_data)); | |
1176 | ||
1177 | res->qmodel = IPR_QUEUEING_MODEL64(res); | |
1178 | proto = cfgtew->u.cfgte64->proto; | |
1179 | res->res_handle = cfgtew->u.cfgte64->res_handle; | |
1180 | res->dev_id = cfgtew->u.cfgte64->dev_id; | |
1181 | ||
1182 | memcpy(&res->dev_lun.scsi_lun, &cfgtew->u.cfgte64->lun, | |
1183 | sizeof(res->dev_lun.scsi_lun)); | |
1184 | ||
1185 | if (memcmp(res->res_path, &cfgtew->u.cfgte64->res_path, | |
1186 | sizeof(res->res_path))) { | |
1187 | memcpy(res->res_path, &cfgtew->u.cfgte64->res_path, | |
1188 | sizeof(res->res_path)); | |
1189 | new_path = 1; | |
1190 | } | |
1191 | ||
1192 | if (res->sdev && new_path) | |
1193 | sdev_printk(KERN_INFO, res->sdev, "Resource path: %s\n", | |
5adcbeb3 WB |
1194 | ipr_format_res_path(res->res_path, buffer, |
1195 | sizeof(buffer))); | |
3e7ebdfa WB |
1196 | } else { |
1197 | res->flags = cfgtew->u.cfgte->flags; | |
1198 | if (res->flags & IPR_IS_IOA_RESOURCE) | |
1199 | res->type = IPR_RES_TYPE_IOAFP; | |
1200 | else | |
1201 | res->type = cfgtew->u.cfgte->rsvd_subtype & 0x0f; | |
1202 | ||
1203 | memcpy(&res->std_inq_data, &cfgtew->u.cfgte->std_inq_data, | |
1204 | sizeof(struct ipr_std_inq_data)); | |
1205 | ||
1206 | res->qmodel = IPR_QUEUEING_MODEL(res); | |
1207 | proto = cfgtew->u.cfgte->proto; | |
1208 | res->res_handle = cfgtew->u.cfgte->res_handle; | |
1209 | } | |
1210 | ||
1211 | ipr_update_ata_class(res, proto); | |
1212 | } | |
1213 | ||
1214 | /** | |
1215 | * ipr_clear_res_target - Clear the bit in the bit map representing the target | |
1216 | * for the resource. | |
1217 | * @res: resource entry struct | |
1218 | * @cfgtew: config table entry wrapper struct | |
1219 | * | |
1220 | * Return value: | |
1221 | * none | |
1222 | **/ | |
1223 | static void ipr_clear_res_target(struct ipr_resource_entry *res) | |
1224 | { | |
1225 | struct ipr_resource_entry *gscsi_res = NULL; | |
1226 | struct ipr_ioa_cfg *ioa_cfg = res->ioa_cfg; | |
1227 | ||
1228 | if (!ioa_cfg->sis64) | |
1229 | return; | |
1230 | ||
1231 | if (res->bus == IPR_ARRAY_VIRTUAL_BUS) | |
1232 | clear_bit(res->target, ioa_cfg->array_ids); | |
1233 | else if (res->bus == IPR_VSET_VIRTUAL_BUS) | |
1234 | clear_bit(res->target, ioa_cfg->vset_ids); | |
1235 | else if (res->bus == 0 && res->type == IPR_RES_TYPE_GENERIC_SCSI) { | |
1236 | list_for_each_entry(gscsi_res, &ioa_cfg->used_res_q, queue) | |
1237 | if (gscsi_res->dev_id == res->dev_id && gscsi_res != res) | |
1238 | return; | |
1239 | clear_bit(res->target, ioa_cfg->target_ids); | |
1240 | ||
1241 | } else if (res->bus == 0) | |
1242 | clear_bit(res->target, ioa_cfg->target_ids); | |
1da177e4 LT |
1243 | } |
1244 | ||
1245 | /** | |
1246 | * ipr_handle_config_change - Handle a config change from the adapter | |
1247 | * @ioa_cfg: ioa config struct | |
1248 | * @hostrcb: hostrcb | |
1249 | * | |
1250 | * Return value: | |
1251 | * none | |
1252 | **/ | |
1253 | static void ipr_handle_config_change(struct ipr_ioa_cfg *ioa_cfg, | |
3e7ebdfa | 1254 | struct ipr_hostrcb *hostrcb) |
1da177e4 LT |
1255 | { |
1256 | struct ipr_resource_entry *res = NULL; | |
3e7ebdfa WB |
1257 | struct ipr_config_table_entry_wrapper cfgtew; |
1258 | __be32 cc_res_handle; | |
1259 | ||
1da177e4 LT |
1260 | u32 is_ndn = 1; |
1261 | ||
3e7ebdfa WB |
1262 | if (ioa_cfg->sis64) { |
1263 | cfgtew.u.cfgte64 = &hostrcb->hcam.u.ccn.u.cfgte64; | |
1264 | cc_res_handle = cfgtew.u.cfgte64->res_handle; | |
1265 | } else { | |
1266 | cfgtew.u.cfgte = &hostrcb->hcam.u.ccn.u.cfgte; | |
1267 | cc_res_handle = cfgtew.u.cfgte->res_handle; | |
1268 | } | |
1da177e4 LT |
1269 | |
1270 | list_for_each_entry(res, &ioa_cfg->used_res_q, queue) { | |
3e7ebdfa | 1271 | if (res->res_handle == cc_res_handle) { |
1da177e4 LT |
1272 | is_ndn = 0; |
1273 | break; | |
1274 | } | |
1275 | } | |
1276 | ||
1277 | if (is_ndn) { | |
1278 | if (list_empty(&ioa_cfg->free_res_q)) { | |
1279 | ipr_send_hcam(ioa_cfg, | |
1280 | IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE, | |
1281 | hostrcb); | |
1282 | return; | |
1283 | } | |
1284 | ||
1285 | res = list_entry(ioa_cfg->free_res_q.next, | |
1286 | struct ipr_resource_entry, queue); | |
1287 | ||
1288 | list_del(&res->queue); | |
3e7ebdfa | 1289 | ipr_init_res_entry(res, &cfgtew); |
1da177e4 LT |
1290 | list_add_tail(&res->queue, &ioa_cfg->used_res_q); |
1291 | } | |
1292 | ||
3e7ebdfa | 1293 | ipr_update_res_entry(res, &cfgtew); |
1da177e4 LT |
1294 | |
1295 | if (hostrcb->hcam.notify_type == IPR_HOST_RCB_NOTIF_TYPE_REM_ENTRY) { | |
1296 | if (res->sdev) { | |
1da177e4 | 1297 | res->del_from_ml = 1; |
3e7ebdfa | 1298 | res->res_handle = IPR_INVALID_RES_HANDLE; |
1da177e4 LT |
1299 | if (ioa_cfg->allow_ml_add_del) |
1300 | schedule_work(&ioa_cfg->work_q); | |
3e7ebdfa WB |
1301 | } else { |
1302 | ipr_clear_res_target(res); | |
1da177e4 | 1303 | list_move_tail(&res->queue, &ioa_cfg->free_res_q); |
3e7ebdfa | 1304 | } |
5767a1c4 | 1305 | } else if (!res->sdev || res->del_from_ml) { |
1da177e4 LT |
1306 | res->add_to_ml = 1; |
1307 | if (ioa_cfg->allow_ml_add_del) | |
1308 | schedule_work(&ioa_cfg->work_q); | |
1309 | } | |
1310 | ||
1311 | ipr_send_hcam(ioa_cfg, IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE, hostrcb); | |
1312 | } | |
1313 | ||
1314 | /** | |
1315 | * ipr_process_ccn - Op done function for a CCN. | |
1316 | * @ipr_cmd: ipr command struct | |
1317 | * | |
1318 | * This function is the op done function for a configuration | |
1319 | * change notification host controlled async from the adapter. | |
1320 | * | |
1321 | * Return value: | |
1322 | * none | |
1323 | **/ | |
1324 | static void ipr_process_ccn(struct ipr_cmnd *ipr_cmd) | |
1325 | { | |
1326 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
1327 | struct ipr_hostrcb *hostrcb = ipr_cmd->u.hostrcb; | |
96d21f00 | 1328 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
1da177e4 LT |
1329 | |
1330 | list_del(&hostrcb->queue); | |
1331 | list_add_tail(&ipr_cmd->queue, &ioa_cfg->free_q); | |
1332 | ||
1333 | if (ioasc) { | |
1334 | if (ioasc != IPR_IOASC_IOA_WAS_RESET) | |
1335 | dev_err(&ioa_cfg->pdev->dev, | |
1336 | "Host RCB failed with IOASC: 0x%08X\n", ioasc); | |
1337 | ||
1338 | ipr_send_hcam(ioa_cfg, IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE, hostrcb); | |
1339 | } else { | |
1340 | ipr_handle_config_change(ioa_cfg, hostrcb); | |
1341 | } | |
1342 | } | |
1343 | ||
8cf093e2 BK |
1344 | /** |
1345 | * strip_and_pad_whitespace - Strip and pad trailing whitespace. | |
1346 | * @i: index into buffer | |
1347 | * @buf: string to modify | |
1348 | * | |
1349 | * This function will strip all trailing whitespace, pad the end | |
1350 | * of the string with a single space, and NULL terminate the string. | |
1351 | * | |
1352 | * Return value: | |
1353 | * new length of string | |
1354 | **/ | |
1355 | static int strip_and_pad_whitespace(int i, char *buf) | |
1356 | { | |
1357 | while (i && buf[i] == ' ') | |
1358 | i--; | |
1359 | buf[i+1] = ' '; | |
1360 | buf[i+2] = '\0'; | |
1361 | return i + 2; | |
1362 | } | |
1363 | ||
1364 | /** | |
1365 | * ipr_log_vpd_compact - Log the passed extended VPD compactly. | |
1366 | * @prefix: string to print at start of printk | |
1367 | * @hostrcb: hostrcb pointer | |
1368 | * @vpd: vendor/product id/sn struct | |
1369 | * | |
1370 | * Return value: | |
1371 | * none | |
1372 | **/ | |
1373 | static void ipr_log_vpd_compact(char *prefix, struct ipr_hostrcb *hostrcb, | |
1374 | struct ipr_vpd *vpd) | |
1375 | { | |
1376 | char buffer[IPR_VENDOR_ID_LEN + IPR_PROD_ID_LEN + IPR_SERIAL_NUM_LEN + 3]; | |
1377 | int i = 0; | |
1378 | ||
1379 | memcpy(buffer, vpd->vpids.vendor_id, IPR_VENDOR_ID_LEN); | |
1380 | i = strip_and_pad_whitespace(IPR_VENDOR_ID_LEN - 1, buffer); | |
1381 | ||
1382 | memcpy(&buffer[i], vpd->vpids.product_id, IPR_PROD_ID_LEN); | |
1383 | i = strip_and_pad_whitespace(i + IPR_PROD_ID_LEN - 1, buffer); | |
1384 | ||
1385 | memcpy(&buffer[i], vpd->sn, IPR_SERIAL_NUM_LEN); | |
1386 | buffer[IPR_SERIAL_NUM_LEN + i] = '\0'; | |
1387 | ||
1388 | ipr_hcam_err(hostrcb, "%s VPID/SN: %s\n", prefix, buffer); | |
1389 | } | |
1390 | ||
1da177e4 LT |
1391 | /** |
1392 | * ipr_log_vpd - Log the passed VPD to the error log. | |
cfc32139 | 1393 | * @vpd: vendor/product id/sn struct |
1da177e4 LT |
1394 | * |
1395 | * Return value: | |
1396 | * none | |
1397 | **/ | |
cfc32139 | 1398 | static void ipr_log_vpd(struct ipr_vpd *vpd) |
1da177e4 LT |
1399 | { |
1400 | char buffer[IPR_VENDOR_ID_LEN + IPR_PROD_ID_LEN | |
1401 | + IPR_SERIAL_NUM_LEN]; | |
1402 | ||
cfc32139 BK |
1403 | memcpy(buffer, vpd->vpids.vendor_id, IPR_VENDOR_ID_LEN); |
1404 | memcpy(buffer + IPR_VENDOR_ID_LEN, vpd->vpids.product_id, | |
1da177e4 LT |
1405 | IPR_PROD_ID_LEN); |
1406 | buffer[IPR_VENDOR_ID_LEN + IPR_PROD_ID_LEN] = '\0'; | |
1407 | ipr_err("Vendor/Product ID: %s\n", buffer); | |
1408 | ||
cfc32139 | 1409 | memcpy(buffer, vpd->sn, IPR_SERIAL_NUM_LEN); |
1da177e4 LT |
1410 | buffer[IPR_SERIAL_NUM_LEN] = '\0'; |
1411 | ipr_err(" Serial Number: %s\n", buffer); | |
1412 | } | |
1413 | ||
8cf093e2 BK |
1414 | /** |
1415 | * ipr_log_ext_vpd_compact - Log the passed extended VPD compactly. | |
1416 | * @prefix: string to print at start of printk | |
1417 | * @hostrcb: hostrcb pointer | |
1418 | * @vpd: vendor/product id/sn/wwn struct | |
1419 | * | |
1420 | * Return value: | |
1421 | * none | |
1422 | **/ | |
1423 | static void ipr_log_ext_vpd_compact(char *prefix, struct ipr_hostrcb *hostrcb, | |
1424 | struct ipr_ext_vpd *vpd) | |
1425 | { | |
1426 | ipr_log_vpd_compact(prefix, hostrcb, &vpd->vpd); | |
1427 | ipr_hcam_err(hostrcb, "%s WWN: %08X%08X\n", prefix, | |
1428 | be32_to_cpu(vpd->wwid[0]), be32_to_cpu(vpd->wwid[1])); | |
1429 | } | |
1430 | ||
ee0f05b8 BK |
1431 | /** |
1432 | * ipr_log_ext_vpd - Log the passed extended VPD to the error log. | |
1433 | * @vpd: vendor/product id/sn/wwn struct | |
1434 | * | |
1435 | * Return value: | |
1436 | * none | |
1437 | **/ | |
1438 | static void ipr_log_ext_vpd(struct ipr_ext_vpd *vpd) | |
1439 | { | |
1440 | ipr_log_vpd(&vpd->vpd); | |
1441 | ipr_err(" WWN: %08X%08X\n", be32_to_cpu(vpd->wwid[0]), | |
1442 | be32_to_cpu(vpd->wwid[1])); | |
1443 | } | |
1444 | ||
1445 | /** | |
1446 | * ipr_log_enhanced_cache_error - Log a cache error. | |
1447 | * @ioa_cfg: ioa config struct | |
1448 | * @hostrcb: hostrcb struct | |
1449 | * | |
1450 | * Return value: | |
1451 | * none | |
1452 | **/ | |
1453 | static void ipr_log_enhanced_cache_error(struct ipr_ioa_cfg *ioa_cfg, | |
1454 | struct ipr_hostrcb *hostrcb) | |
1455 | { | |
4565e370 WB |
1456 | struct ipr_hostrcb_type_12_error *error; |
1457 | ||
1458 | if (ioa_cfg->sis64) | |
1459 | error = &hostrcb->hcam.u.error64.u.type_12_error; | |
1460 | else | |
1461 | error = &hostrcb->hcam.u.error.u.type_12_error; | |
ee0f05b8 BK |
1462 | |
1463 | ipr_err("-----Current Configuration-----\n"); | |
1464 | ipr_err("Cache Directory Card Information:\n"); | |
1465 | ipr_log_ext_vpd(&error->ioa_vpd); | |
1466 | ipr_err("Adapter Card Information:\n"); | |
1467 | ipr_log_ext_vpd(&error->cfc_vpd); | |
1468 | ||
1469 | ipr_err("-----Expected Configuration-----\n"); | |
1470 | ipr_err("Cache Directory Card Information:\n"); | |
1471 | ipr_log_ext_vpd(&error->ioa_last_attached_to_cfc_vpd); | |
1472 | ipr_err("Adapter Card Information:\n"); | |
1473 | ipr_log_ext_vpd(&error->cfc_last_attached_to_ioa_vpd); | |
1474 | ||
1475 | ipr_err("Additional IOA Data: %08X %08X %08X\n", | |
1476 | be32_to_cpu(error->ioa_data[0]), | |
1477 | be32_to_cpu(error->ioa_data[1]), | |
1478 | be32_to_cpu(error->ioa_data[2])); | |
1479 | } | |
1480 | ||
1da177e4 LT |
1481 | /** |
1482 | * ipr_log_cache_error - Log a cache error. | |
1483 | * @ioa_cfg: ioa config struct | |
1484 | * @hostrcb: hostrcb struct | |
1485 | * | |
1486 | * Return value: | |
1487 | * none | |
1488 | **/ | |
1489 | static void ipr_log_cache_error(struct ipr_ioa_cfg *ioa_cfg, | |
1490 | struct ipr_hostrcb *hostrcb) | |
1491 | { | |
1492 | struct ipr_hostrcb_type_02_error *error = | |
1493 | &hostrcb->hcam.u.error.u.type_02_error; | |
1494 | ||
1495 | ipr_err("-----Current Configuration-----\n"); | |
1496 | ipr_err("Cache Directory Card Information:\n"); | |
cfc32139 | 1497 | ipr_log_vpd(&error->ioa_vpd); |
1da177e4 | 1498 | ipr_err("Adapter Card Information:\n"); |
cfc32139 | 1499 | ipr_log_vpd(&error->cfc_vpd); |
1da177e4 LT |
1500 | |
1501 | ipr_err("-----Expected Configuration-----\n"); | |
1502 | ipr_err("Cache Directory Card Information:\n"); | |
cfc32139 | 1503 | ipr_log_vpd(&error->ioa_last_attached_to_cfc_vpd); |
1da177e4 | 1504 | ipr_err("Adapter Card Information:\n"); |
cfc32139 | 1505 | ipr_log_vpd(&error->cfc_last_attached_to_ioa_vpd); |
1da177e4 LT |
1506 | |
1507 | ipr_err("Additional IOA Data: %08X %08X %08X\n", | |
1508 | be32_to_cpu(error->ioa_data[0]), | |
1509 | be32_to_cpu(error->ioa_data[1]), | |
1510 | be32_to_cpu(error->ioa_data[2])); | |
1511 | } | |
1512 | ||
ee0f05b8 BK |
1513 | /** |
1514 | * ipr_log_enhanced_config_error - Log a configuration error. | |
1515 | * @ioa_cfg: ioa config struct | |
1516 | * @hostrcb: hostrcb struct | |
1517 | * | |
1518 | * Return value: | |
1519 | * none | |
1520 | **/ | |
1521 | static void ipr_log_enhanced_config_error(struct ipr_ioa_cfg *ioa_cfg, | |
1522 | struct ipr_hostrcb *hostrcb) | |
1523 | { | |
1524 | int errors_logged, i; | |
1525 | struct ipr_hostrcb_device_data_entry_enhanced *dev_entry; | |
1526 | struct ipr_hostrcb_type_13_error *error; | |
1527 | ||
1528 | error = &hostrcb->hcam.u.error.u.type_13_error; | |
1529 | errors_logged = be32_to_cpu(error->errors_logged); | |
1530 | ||
1531 | ipr_err("Device Errors Detected/Logged: %d/%d\n", | |
1532 | be32_to_cpu(error->errors_detected), errors_logged); | |
1533 | ||
1534 | dev_entry = error->dev; | |
1535 | ||
1536 | for (i = 0; i < errors_logged; i++, dev_entry++) { | |
1537 | ipr_err_separator; | |
1538 | ||
1539 | ipr_phys_res_err(ioa_cfg, dev_entry->dev_res_addr, "Device %d", i + 1); | |
1540 | ipr_log_ext_vpd(&dev_entry->vpd); | |
1541 | ||
1542 | ipr_err("-----New Device Information-----\n"); | |
1543 | ipr_log_ext_vpd(&dev_entry->new_vpd); | |
1544 | ||
1545 | ipr_err("Cache Directory Card Information:\n"); | |
1546 | ipr_log_ext_vpd(&dev_entry->ioa_last_with_dev_vpd); | |
1547 | ||
1548 | ipr_err("Adapter Card Information:\n"); | |
1549 | ipr_log_ext_vpd(&dev_entry->cfc_last_with_dev_vpd); | |
1550 | } | |
1551 | } | |
1552 | ||
4565e370 WB |
1553 | /** |
1554 | * ipr_log_sis64_config_error - Log a device error. | |
1555 | * @ioa_cfg: ioa config struct | |
1556 | * @hostrcb: hostrcb struct | |
1557 | * | |
1558 | * Return value: | |
1559 | * none | |
1560 | **/ | |
1561 | static void ipr_log_sis64_config_error(struct ipr_ioa_cfg *ioa_cfg, | |
1562 | struct ipr_hostrcb *hostrcb) | |
1563 | { | |
1564 | int errors_logged, i; | |
1565 | struct ipr_hostrcb64_device_data_entry_enhanced *dev_entry; | |
1566 | struct ipr_hostrcb_type_23_error *error; | |
1567 | char buffer[IPR_MAX_RES_PATH_LENGTH]; | |
1568 | ||
1569 | error = &hostrcb->hcam.u.error64.u.type_23_error; | |
1570 | errors_logged = be32_to_cpu(error->errors_logged); | |
1571 | ||
1572 | ipr_err("Device Errors Detected/Logged: %d/%d\n", | |
1573 | be32_to_cpu(error->errors_detected), errors_logged); | |
1574 | ||
1575 | dev_entry = error->dev; | |
1576 | ||
1577 | for (i = 0; i < errors_logged; i++, dev_entry++) { | |
1578 | ipr_err_separator; | |
1579 | ||
1580 | ipr_err("Device %d : %s", i + 1, | |
5adcbeb3 WB |
1581 | ipr_format_res_path(dev_entry->res_path, buffer, |
1582 | sizeof(buffer))); | |
4565e370 WB |
1583 | ipr_log_ext_vpd(&dev_entry->vpd); |
1584 | ||
1585 | ipr_err("-----New Device Information-----\n"); | |
1586 | ipr_log_ext_vpd(&dev_entry->new_vpd); | |
1587 | ||
1588 | ipr_err("Cache Directory Card Information:\n"); | |
1589 | ipr_log_ext_vpd(&dev_entry->ioa_last_with_dev_vpd); | |
1590 | ||
1591 | ipr_err("Adapter Card Information:\n"); | |
1592 | ipr_log_ext_vpd(&dev_entry->cfc_last_with_dev_vpd); | |
1593 | } | |
1594 | } | |
1595 | ||
1da177e4 LT |
1596 | /** |
1597 | * ipr_log_config_error - Log a configuration error. | |
1598 | * @ioa_cfg: ioa config struct | |
1599 | * @hostrcb: hostrcb struct | |
1600 | * | |
1601 | * Return value: | |
1602 | * none | |
1603 | **/ | |
1604 | static void ipr_log_config_error(struct ipr_ioa_cfg *ioa_cfg, | |
1605 | struct ipr_hostrcb *hostrcb) | |
1606 | { | |
1607 | int errors_logged, i; | |
1608 | struct ipr_hostrcb_device_data_entry *dev_entry; | |
1609 | struct ipr_hostrcb_type_03_error *error; | |
1610 | ||
1611 | error = &hostrcb->hcam.u.error.u.type_03_error; | |
1612 | errors_logged = be32_to_cpu(error->errors_logged); | |
1613 | ||
1614 | ipr_err("Device Errors Detected/Logged: %d/%d\n", | |
1615 | be32_to_cpu(error->errors_detected), errors_logged); | |
1616 | ||
cfc32139 | 1617 | dev_entry = error->dev; |
1da177e4 LT |
1618 | |
1619 | for (i = 0; i < errors_logged; i++, dev_entry++) { | |
1620 | ipr_err_separator; | |
1621 | ||
fa15b1f6 | 1622 | ipr_phys_res_err(ioa_cfg, dev_entry->dev_res_addr, "Device %d", i + 1); |
cfc32139 | 1623 | ipr_log_vpd(&dev_entry->vpd); |
1da177e4 LT |
1624 | |
1625 | ipr_err("-----New Device Information-----\n"); | |
cfc32139 | 1626 | ipr_log_vpd(&dev_entry->new_vpd); |
1da177e4 LT |
1627 | |
1628 | ipr_err("Cache Directory Card Information:\n"); | |
cfc32139 | 1629 | ipr_log_vpd(&dev_entry->ioa_last_with_dev_vpd); |
1da177e4 LT |
1630 | |
1631 | ipr_err("Adapter Card Information:\n"); | |
cfc32139 | 1632 | ipr_log_vpd(&dev_entry->cfc_last_with_dev_vpd); |
1da177e4 LT |
1633 | |
1634 | ipr_err("Additional IOA Data: %08X %08X %08X %08X %08X\n", | |
1635 | be32_to_cpu(dev_entry->ioa_data[0]), | |
1636 | be32_to_cpu(dev_entry->ioa_data[1]), | |
1637 | be32_to_cpu(dev_entry->ioa_data[2]), | |
1638 | be32_to_cpu(dev_entry->ioa_data[3]), | |
1639 | be32_to_cpu(dev_entry->ioa_data[4])); | |
1640 | } | |
1641 | } | |
1642 | ||
ee0f05b8 BK |
1643 | /** |
1644 | * ipr_log_enhanced_array_error - Log an array configuration error. | |
1645 | * @ioa_cfg: ioa config struct | |
1646 | * @hostrcb: hostrcb struct | |
1647 | * | |
1648 | * Return value: | |
1649 | * none | |
1650 | **/ | |
1651 | static void ipr_log_enhanced_array_error(struct ipr_ioa_cfg *ioa_cfg, | |
1652 | struct ipr_hostrcb *hostrcb) | |
1653 | { | |
1654 | int i, num_entries; | |
1655 | struct ipr_hostrcb_type_14_error *error; | |
1656 | struct ipr_hostrcb_array_data_entry_enhanced *array_entry; | |
1657 | const u8 zero_sn[IPR_SERIAL_NUM_LEN] = { [0 ... IPR_SERIAL_NUM_LEN-1] = '0' }; | |
1658 | ||
1659 | error = &hostrcb->hcam.u.error.u.type_14_error; | |
1660 | ||
1661 | ipr_err_separator; | |
1662 | ||
1663 | ipr_err("RAID %s Array Configuration: %d:%d:%d:%d\n", | |
1664 | error->protection_level, | |
1665 | ioa_cfg->host->host_no, | |
1666 | error->last_func_vset_res_addr.bus, | |
1667 | error->last_func_vset_res_addr.target, | |
1668 | error->last_func_vset_res_addr.lun); | |
1669 | ||
1670 | ipr_err_separator; | |
1671 | ||
1672 | array_entry = error->array_member; | |
1673 | num_entries = min_t(u32, be32_to_cpu(error->num_entries), | |
7262026f | 1674 | ARRAY_SIZE(error->array_member)); |
ee0f05b8 BK |
1675 | |
1676 | for (i = 0; i < num_entries; i++, array_entry++) { | |
1677 | if (!memcmp(array_entry->vpd.vpd.sn, zero_sn, IPR_SERIAL_NUM_LEN)) | |
1678 | continue; | |
1679 | ||
1680 | if (be32_to_cpu(error->exposed_mode_adn) == i) | |
1681 | ipr_err("Exposed Array Member %d:\n", i); | |
1682 | else | |
1683 | ipr_err("Array Member %d:\n", i); | |
1684 | ||
1685 | ipr_log_ext_vpd(&array_entry->vpd); | |
1686 | ipr_phys_res_err(ioa_cfg, array_entry->dev_res_addr, "Current Location"); | |
1687 | ipr_phys_res_err(ioa_cfg, array_entry->expected_dev_res_addr, | |
1688 | "Expected Location"); | |
1689 | ||
1690 | ipr_err_separator; | |
1691 | } | |
1692 | } | |
1693 | ||
1da177e4 LT |
1694 | /** |
1695 | * ipr_log_array_error - Log an array configuration error. | |
1696 | * @ioa_cfg: ioa config struct | |
1697 | * @hostrcb: hostrcb struct | |
1698 | * | |
1699 | * Return value: | |
1700 | * none | |
1701 | **/ | |
1702 | static void ipr_log_array_error(struct ipr_ioa_cfg *ioa_cfg, | |
1703 | struct ipr_hostrcb *hostrcb) | |
1704 | { | |
1705 | int i; | |
1706 | struct ipr_hostrcb_type_04_error *error; | |
1707 | struct ipr_hostrcb_array_data_entry *array_entry; | |
1708 | const u8 zero_sn[IPR_SERIAL_NUM_LEN] = { [0 ... IPR_SERIAL_NUM_LEN-1] = '0' }; | |
1709 | ||
1710 | error = &hostrcb->hcam.u.error.u.type_04_error; | |
1711 | ||
1712 | ipr_err_separator; | |
1713 | ||
1714 | ipr_err("RAID %s Array Configuration: %d:%d:%d:%d\n", | |
1715 | error->protection_level, | |
1716 | ioa_cfg->host->host_no, | |
1717 | error->last_func_vset_res_addr.bus, | |
1718 | error->last_func_vset_res_addr.target, | |
1719 | error->last_func_vset_res_addr.lun); | |
1720 | ||
1721 | ipr_err_separator; | |
1722 | ||
1723 | array_entry = error->array_member; | |
1724 | ||
1725 | for (i = 0; i < 18; i++) { | |
cfc32139 | 1726 | if (!memcmp(array_entry->vpd.sn, zero_sn, IPR_SERIAL_NUM_LEN)) |
1da177e4 LT |
1727 | continue; |
1728 | ||
fa15b1f6 | 1729 | if (be32_to_cpu(error->exposed_mode_adn) == i) |
1da177e4 | 1730 | ipr_err("Exposed Array Member %d:\n", i); |
fa15b1f6 | 1731 | else |
1da177e4 | 1732 | ipr_err("Array Member %d:\n", i); |
1da177e4 | 1733 | |
cfc32139 | 1734 | ipr_log_vpd(&array_entry->vpd); |
1da177e4 | 1735 | |
fa15b1f6 BK |
1736 | ipr_phys_res_err(ioa_cfg, array_entry->dev_res_addr, "Current Location"); |
1737 | ipr_phys_res_err(ioa_cfg, array_entry->expected_dev_res_addr, | |
1738 | "Expected Location"); | |
1da177e4 LT |
1739 | |
1740 | ipr_err_separator; | |
1741 | ||
1742 | if (i == 9) | |
1743 | array_entry = error->array_member2; | |
1744 | else | |
1745 | array_entry++; | |
1746 | } | |
1747 | } | |
1748 | ||
1749 | /** | |
b0df54bb | 1750 | * ipr_log_hex_data - Log additional hex IOA error data. |
ac719aba | 1751 | * @ioa_cfg: ioa config struct |
b0df54bb BK |
1752 | * @data: IOA error data |
1753 | * @len: data length | |
1da177e4 LT |
1754 | * |
1755 | * Return value: | |
1756 | * none | |
1757 | **/ | |
ac719aba | 1758 | static void ipr_log_hex_data(struct ipr_ioa_cfg *ioa_cfg, u32 *data, int len) |
1da177e4 LT |
1759 | { |
1760 | int i; | |
1da177e4 | 1761 | |
b0df54bb | 1762 | if (len == 0) |
1da177e4 LT |
1763 | return; |
1764 | ||
ac719aba BK |
1765 | if (ioa_cfg->log_level <= IPR_DEFAULT_LOG_LEVEL) |
1766 | len = min_t(int, len, IPR_DEFAULT_MAX_ERROR_DUMP); | |
1767 | ||
b0df54bb | 1768 | for (i = 0; i < len / 4; i += 4) { |
1da177e4 | 1769 | ipr_err("%08X: %08X %08X %08X %08X\n", i*4, |
b0df54bb BK |
1770 | be32_to_cpu(data[i]), |
1771 | be32_to_cpu(data[i+1]), | |
1772 | be32_to_cpu(data[i+2]), | |
1773 | be32_to_cpu(data[i+3])); | |
1da177e4 LT |
1774 | } |
1775 | } | |
1776 | ||
ee0f05b8 BK |
1777 | /** |
1778 | * ipr_log_enhanced_dual_ioa_error - Log an enhanced dual adapter error. | |
1779 | * @ioa_cfg: ioa config struct | |
1780 | * @hostrcb: hostrcb struct | |
1781 | * | |
1782 | * Return value: | |
1783 | * none | |
1784 | **/ | |
1785 | static void ipr_log_enhanced_dual_ioa_error(struct ipr_ioa_cfg *ioa_cfg, | |
1786 | struct ipr_hostrcb *hostrcb) | |
1787 | { | |
1788 | struct ipr_hostrcb_type_17_error *error; | |
1789 | ||
4565e370 WB |
1790 | if (ioa_cfg->sis64) |
1791 | error = &hostrcb->hcam.u.error64.u.type_17_error; | |
1792 | else | |
1793 | error = &hostrcb->hcam.u.error.u.type_17_error; | |
1794 | ||
ee0f05b8 | 1795 | error->failure_reason[sizeof(error->failure_reason) - 1] = '\0'; |
ca54cb8c | 1796 | strim(error->failure_reason); |
ee0f05b8 | 1797 | |
8cf093e2 BK |
1798 | ipr_hcam_err(hostrcb, "%s [PRC: %08X]\n", error->failure_reason, |
1799 | be32_to_cpu(hostrcb->hcam.u.error.prc)); | |
1800 | ipr_log_ext_vpd_compact("Remote IOA", hostrcb, &error->vpd); | |
ac719aba | 1801 | ipr_log_hex_data(ioa_cfg, error->data, |
ee0f05b8 BK |
1802 | be32_to_cpu(hostrcb->hcam.length) - |
1803 | (offsetof(struct ipr_hostrcb_error, u) + | |
1804 | offsetof(struct ipr_hostrcb_type_17_error, data))); | |
1805 | } | |
1806 | ||
b0df54bb BK |
1807 | /** |
1808 | * ipr_log_dual_ioa_error - Log a dual adapter error. | |
1809 | * @ioa_cfg: ioa config struct | |
1810 | * @hostrcb: hostrcb struct | |
1811 | * | |
1812 | * Return value: | |
1813 | * none | |
1814 | **/ | |
1815 | static void ipr_log_dual_ioa_error(struct ipr_ioa_cfg *ioa_cfg, | |
1816 | struct ipr_hostrcb *hostrcb) | |
1817 | { | |
1818 | struct ipr_hostrcb_type_07_error *error; | |
1819 | ||
1820 | error = &hostrcb->hcam.u.error.u.type_07_error; | |
1821 | error->failure_reason[sizeof(error->failure_reason) - 1] = '\0'; | |
ca54cb8c | 1822 | strim(error->failure_reason); |
b0df54bb | 1823 | |
8cf093e2 BK |
1824 | ipr_hcam_err(hostrcb, "%s [PRC: %08X]\n", error->failure_reason, |
1825 | be32_to_cpu(hostrcb->hcam.u.error.prc)); | |
1826 | ipr_log_vpd_compact("Remote IOA", hostrcb, &error->vpd); | |
ac719aba | 1827 | ipr_log_hex_data(ioa_cfg, error->data, |
b0df54bb BK |
1828 | be32_to_cpu(hostrcb->hcam.length) - |
1829 | (offsetof(struct ipr_hostrcb_error, u) + | |
1830 | offsetof(struct ipr_hostrcb_type_07_error, data))); | |
1831 | } | |
1832 | ||
49dc6a18 BK |
1833 | static const struct { |
1834 | u8 active; | |
1835 | char *desc; | |
1836 | } path_active_desc[] = { | |
1837 | { IPR_PATH_NO_INFO, "Path" }, | |
1838 | { IPR_PATH_ACTIVE, "Active path" }, | |
1839 | { IPR_PATH_NOT_ACTIVE, "Inactive path" } | |
1840 | }; | |
1841 | ||
1842 | static const struct { | |
1843 | u8 state; | |
1844 | char *desc; | |
1845 | } path_state_desc[] = { | |
1846 | { IPR_PATH_STATE_NO_INFO, "has no path state information available" }, | |
1847 | { IPR_PATH_HEALTHY, "is healthy" }, | |
1848 | { IPR_PATH_DEGRADED, "is degraded" }, | |
1849 | { IPR_PATH_FAILED, "is failed" } | |
1850 | }; | |
1851 | ||
1852 | /** | |
1853 | * ipr_log_fabric_path - Log a fabric path error | |
1854 | * @hostrcb: hostrcb struct | |
1855 | * @fabric: fabric descriptor | |
1856 | * | |
1857 | * Return value: | |
1858 | * none | |
1859 | **/ | |
1860 | static void ipr_log_fabric_path(struct ipr_hostrcb *hostrcb, | |
1861 | struct ipr_hostrcb_fabric_desc *fabric) | |
1862 | { | |
1863 | int i, j; | |
1864 | u8 path_state = fabric->path_state; | |
1865 | u8 active = path_state & IPR_PATH_ACTIVE_MASK; | |
1866 | u8 state = path_state & IPR_PATH_STATE_MASK; | |
1867 | ||
1868 | for (i = 0; i < ARRAY_SIZE(path_active_desc); i++) { | |
1869 | if (path_active_desc[i].active != active) | |
1870 | continue; | |
1871 | ||
1872 | for (j = 0; j < ARRAY_SIZE(path_state_desc); j++) { | |
1873 | if (path_state_desc[j].state != state) | |
1874 | continue; | |
1875 | ||
1876 | if (fabric->cascaded_expander == 0xff && fabric->phy == 0xff) { | |
1877 | ipr_hcam_err(hostrcb, "%s %s: IOA Port=%d\n", | |
1878 | path_active_desc[i].desc, path_state_desc[j].desc, | |
1879 | fabric->ioa_port); | |
1880 | } else if (fabric->cascaded_expander == 0xff) { | |
1881 | ipr_hcam_err(hostrcb, "%s %s: IOA Port=%d, Phy=%d\n", | |
1882 | path_active_desc[i].desc, path_state_desc[j].desc, | |
1883 | fabric->ioa_port, fabric->phy); | |
1884 | } else if (fabric->phy == 0xff) { | |
1885 | ipr_hcam_err(hostrcb, "%s %s: IOA Port=%d, Cascade=%d\n", | |
1886 | path_active_desc[i].desc, path_state_desc[j].desc, | |
1887 | fabric->ioa_port, fabric->cascaded_expander); | |
1888 | } else { | |
1889 | ipr_hcam_err(hostrcb, "%s %s: IOA Port=%d, Cascade=%d, Phy=%d\n", | |
1890 | path_active_desc[i].desc, path_state_desc[j].desc, | |
1891 | fabric->ioa_port, fabric->cascaded_expander, fabric->phy); | |
1892 | } | |
1893 | return; | |
1894 | } | |
1895 | } | |
1896 | ||
1897 | ipr_err("Path state=%02X IOA Port=%d Cascade=%d Phy=%d\n", path_state, | |
1898 | fabric->ioa_port, fabric->cascaded_expander, fabric->phy); | |
1899 | } | |
1900 | ||
4565e370 WB |
1901 | /** |
1902 | * ipr_log64_fabric_path - Log a fabric path error | |
1903 | * @hostrcb: hostrcb struct | |
1904 | * @fabric: fabric descriptor | |
1905 | * | |
1906 | * Return value: | |
1907 | * none | |
1908 | **/ | |
1909 | static void ipr_log64_fabric_path(struct ipr_hostrcb *hostrcb, | |
1910 | struct ipr_hostrcb64_fabric_desc *fabric) | |
1911 | { | |
1912 | int i, j; | |
1913 | u8 path_state = fabric->path_state; | |
1914 | u8 active = path_state & IPR_PATH_ACTIVE_MASK; | |
1915 | u8 state = path_state & IPR_PATH_STATE_MASK; | |
1916 | char buffer[IPR_MAX_RES_PATH_LENGTH]; | |
1917 | ||
1918 | for (i = 0; i < ARRAY_SIZE(path_active_desc); i++) { | |
1919 | if (path_active_desc[i].active != active) | |
1920 | continue; | |
1921 | ||
1922 | for (j = 0; j < ARRAY_SIZE(path_state_desc); j++) { | |
1923 | if (path_state_desc[j].state != state) | |
1924 | continue; | |
1925 | ||
1926 | ipr_hcam_err(hostrcb, "%s %s: Resource Path=%s\n", | |
1927 | path_active_desc[i].desc, path_state_desc[j].desc, | |
5adcbeb3 WB |
1928 | ipr_format_res_path(fabric->res_path, buffer, |
1929 | sizeof(buffer))); | |
4565e370 WB |
1930 | return; |
1931 | } | |
1932 | } | |
1933 | ||
1934 | ipr_err("Path state=%02X Resource Path=%s\n", path_state, | |
5adcbeb3 | 1935 | ipr_format_res_path(fabric->res_path, buffer, sizeof(buffer))); |
4565e370 WB |
1936 | } |
1937 | ||
49dc6a18 BK |
1938 | static const struct { |
1939 | u8 type; | |
1940 | char *desc; | |
1941 | } path_type_desc[] = { | |
1942 | { IPR_PATH_CFG_IOA_PORT, "IOA port" }, | |
1943 | { IPR_PATH_CFG_EXP_PORT, "Expander port" }, | |
1944 | { IPR_PATH_CFG_DEVICE_PORT, "Device port" }, | |
1945 | { IPR_PATH_CFG_DEVICE_LUN, "Device LUN" } | |
1946 | }; | |
1947 | ||
1948 | static const struct { | |
1949 | u8 status; | |
1950 | char *desc; | |
1951 | } path_status_desc[] = { | |
1952 | { IPR_PATH_CFG_NO_PROB, "Functional" }, | |
1953 | { IPR_PATH_CFG_DEGRADED, "Degraded" }, | |
1954 | { IPR_PATH_CFG_FAILED, "Failed" }, | |
1955 | { IPR_PATH_CFG_SUSPECT, "Suspect" }, | |
1956 | { IPR_PATH_NOT_DETECTED, "Missing" }, | |
1957 | { IPR_PATH_INCORRECT_CONN, "Incorrectly connected" } | |
1958 | }; | |
1959 | ||
1960 | static const char *link_rate[] = { | |
1961 | "unknown", | |
1962 | "disabled", | |
1963 | "phy reset problem", | |
1964 | "spinup hold", | |
1965 | "port selector", | |
1966 | "unknown", | |
1967 | "unknown", | |
1968 | "unknown", | |
1969 | "1.5Gbps", | |
1970 | "3.0Gbps", | |
1971 | "unknown", | |
1972 | "unknown", | |
1973 | "unknown", | |
1974 | "unknown", | |
1975 | "unknown", | |
1976 | "unknown" | |
1977 | }; | |
1978 | ||
1979 | /** | |
1980 | * ipr_log_path_elem - Log a fabric path element. | |
1981 | * @hostrcb: hostrcb struct | |
1982 | * @cfg: fabric path element struct | |
1983 | * | |
1984 | * Return value: | |
1985 | * none | |
1986 | **/ | |
1987 | static void ipr_log_path_elem(struct ipr_hostrcb *hostrcb, | |
1988 | struct ipr_hostrcb_config_element *cfg) | |
1989 | { | |
1990 | int i, j; | |
1991 | u8 type = cfg->type_status & IPR_PATH_CFG_TYPE_MASK; | |
1992 | u8 status = cfg->type_status & IPR_PATH_CFG_STATUS_MASK; | |
1993 | ||
1994 | if (type == IPR_PATH_CFG_NOT_EXIST) | |
1995 | return; | |
1996 | ||
1997 | for (i = 0; i < ARRAY_SIZE(path_type_desc); i++) { | |
1998 | if (path_type_desc[i].type != type) | |
1999 | continue; | |
2000 | ||
2001 | for (j = 0; j < ARRAY_SIZE(path_status_desc); j++) { | |
2002 | if (path_status_desc[j].status != status) | |
2003 | continue; | |
2004 | ||
2005 | if (type == IPR_PATH_CFG_IOA_PORT) { | |
2006 | ipr_hcam_err(hostrcb, "%s %s: Phy=%d, Link rate=%s, WWN=%08X%08X\n", | |
2007 | path_status_desc[j].desc, path_type_desc[i].desc, | |
2008 | cfg->phy, link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], | |
2009 | be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); | |
2010 | } else { | |
2011 | if (cfg->cascaded_expander == 0xff && cfg->phy == 0xff) { | |
2012 | ipr_hcam_err(hostrcb, "%s %s: Link rate=%s, WWN=%08X%08X\n", | |
2013 | path_status_desc[j].desc, path_type_desc[i].desc, | |
2014 | link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], | |
2015 | be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); | |
2016 | } else if (cfg->cascaded_expander == 0xff) { | |
2017 | ipr_hcam_err(hostrcb, "%s %s: Phy=%d, Link rate=%s, " | |
2018 | "WWN=%08X%08X\n", path_status_desc[j].desc, | |
2019 | path_type_desc[i].desc, cfg->phy, | |
2020 | link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], | |
2021 | be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); | |
2022 | } else if (cfg->phy == 0xff) { | |
2023 | ipr_hcam_err(hostrcb, "%s %s: Cascade=%d, Link rate=%s, " | |
2024 | "WWN=%08X%08X\n", path_status_desc[j].desc, | |
2025 | path_type_desc[i].desc, cfg->cascaded_expander, | |
2026 | link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], | |
2027 | be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); | |
2028 | } else { | |
2029 | ipr_hcam_err(hostrcb, "%s %s: Cascade=%d, Phy=%d, Link rate=%s " | |
2030 | "WWN=%08X%08X\n", path_status_desc[j].desc, | |
2031 | path_type_desc[i].desc, cfg->cascaded_expander, cfg->phy, | |
2032 | link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], | |
2033 | be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); | |
2034 | } | |
2035 | } | |
2036 | return; | |
2037 | } | |
2038 | } | |
2039 | ||
2040 | ipr_hcam_err(hostrcb, "Path element=%02X: Cascade=%d Phy=%d Link rate=%s " | |
2041 | "WWN=%08X%08X\n", cfg->type_status, cfg->cascaded_expander, cfg->phy, | |
2042 | link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], | |
2043 | be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); | |
2044 | } | |
2045 | ||
4565e370 WB |
2046 | /** |
2047 | * ipr_log64_path_elem - Log a fabric path element. | |
2048 | * @hostrcb: hostrcb struct | |
2049 | * @cfg: fabric path element struct | |
2050 | * | |
2051 | * Return value: | |
2052 | * none | |
2053 | **/ | |
2054 | static void ipr_log64_path_elem(struct ipr_hostrcb *hostrcb, | |
2055 | struct ipr_hostrcb64_config_element *cfg) | |
2056 | { | |
2057 | int i, j; | |
2058 | u8 desc_id = cfg->descriptor_id & IPR_DESCRIPTOR_MASK; | |
2059 | u8 type = cfg->type_status & IPR_PATH_CFG_TYPE_MASK; | |
2060 | u8 status = cfg->type_status & IPR_PATH_CFG_STATUS_MASK; | |
2061 | char buffer[IPR_MAX_RES_PATH_LENGTH]; | |
2062 | ||
2063 | if (type == IPR_PATH_CFG_NOT_EXIST || desc_id != IPR_DESCRIPTOR_SIS64) | |
2064 | return; | |
2065 | ||
2066 | for (i = 0; i < ARRAY_SIZE(path_type_desc); i++) { | |
2067 | if (path_type_desc[i].type != type) | |
2068 | continue; | |
2069 | ||
2070 | for (j = 0; j < ARRAY_SIZE(path_status_desc); j++) { | |
2071 | if (path_status_desc[j].status != status) | |
2072 | continue; | |
2073 | ||
2074 | ipr_hcam_err(hostrcb, "%s %s: Resource Path=%s, Link rate=%s, WWN=%08X%08X\n", | |
2075 | path_status_desc[j].desc, path_type_desc[i].desc, | |
5adcbeb3 WB |
2076 | ipr_format_res_path(cfg->res_path, buffer, |
2077 | sizeof(buffer)), | |
4565e370 WB |
2078 | link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], |
2079 | be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); | |
2080 | return; | |
2081 | } | |
2082 | } | |
2083 | ipr_hcam_err(hostrcb, "Path element=%02X: Resource Path=%s, Link rate=%s " | |
2084 | "WWN=%08X%08X\n", cfg->type_status, | |
5adcbeb3 | 2085 | ipr_format_res_path(cfg->res_path, buffer, sizeof(buffer)), |
4565e370 WB |
2086 | link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], |
2087 | be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); | |
2088 | } | |
2089 | ||
49dc6a18 BK |
2090 | /** |
2091 | * ipr_log_fabric_error - Log a fabric error. | |
2092 | * @ioa_cfg: ioa config struct | |
2093 | * @hostrcb: hostrcb struct | |
2094 | * | |
2095 | * Return value: | |
2096 | * none | |
2097 | **/ | |
2098 | static void ipr_log_fabric_error(struct ipr_ioa_cfg *ioa_cfg, | |
2099 | struct ipr_hostrcb *hostrcb) | |
2100 | { | |
2101 | struct ipr_hostrcb_type_20_error *error; | |
2102 | struct ipr_hostrcb_fabric_desc *fabric; | |
2103 | struct ipr_hostrcb_config_element *cfg; | |
2104 | int i, add_len; | |
2105 | ||
2106 | error = &hostrcb->hcam.u.error.u.type_20_error; | |
2107 | error->failure_reason[sizeof(error->failure_reason) - 1] = '\0'; | |
2108 | ipr_hcam_err(hostrcb, "%s\n", error->failure_reason); | |
2109 | ||
2110 | add_len = be32_to_cpu(hostrcb->hcam.length) - | |
2111 | (offsetof(struct ipr_hostrcb_error, u) + | |
2112 | offsetof(struct ipr_hostrcb_type_20_error, desc)); | |
2113 | ||
2114 | for (i = 0, fabric = error->desc; i < error->num_entries; i++) { | |
2115 | ipr_log_fabric_path(hostrcb, fabric); | |
2116 | for_each_fabric_cfg(fabric, cfg) | |
2117 | ipr_log_path_elem(hostrcb, cfg); | |
2118 | ||
2119 | add_len -= be16_to_cpu(fabric->length); | |
2120 | fabric = (struct ipr_hostrcb_fabric_desc *) | |
2121 | ((unsigned long)fabric + be16_to_cpu(fabric->length)); | |
2122 | } | |
2123 | ||
ac719aba | 2124 | ipr_log_hex_data(ioa_cfg, (u32 *)fabric, add_len); |
49dc6a18 BK |
2125 | } |
2126 | ||
4565e370 WB |
2127 | /** |
2128 | * ipr_log_sis64_array_error - Log a sis64 array error. | |
2129 | * @ioa_cfg: ioa config struct | |
2130 | * @hostrcb: hostrcb struct | |
2131 | * | |
2132 | * Return value: | |
2133 | * none | |
2134 | **/ | |
2135 | static void ipr_log_sis64_array_error(struct ipr_ioa_cfg *ioa_cfg, | |
2136 | struct ipr_hostrcb *hostrcb) | |
2137 | { | |
2138 | int i, num_entries; | |
2139 | struct ipr_hostrcb_type_24_error *error; | |
2140 | struct ipr_hostrcb64_array_data_entry *array_entry; | |
2141 | char buffer[IPR_MAX_RES_PATH_LENGTH]; | |
2142 | const u8 zero_sn[IPR_SERIAL_NUM_LEN] = { [0 ... IPR_SERIAL_NUM_LEN-1] = '0' }; | |
2143 | ||
2144 | error = &hostrcb->hcam.u.error64.u.type_24_error; | |
2145 | ||
2146 | ipr_err_separator; | |
2147 | ||
2148 | ipr_err("RAID %s Array Configuration: %s\n", | |
2149 | error->protection_level, | |
5adcbeb3 | 2150 | ipr_format_res_path(error->last_res_path, buffer, sizeof(buffer))); |
4565e370 WB |
2151 | |
2152 | ipr_err_separator; | |
2153 | ||
2154 | array_entry = error->array_member; | |
7262026f WB |
2155 | num_entries = min_t(u32, error->num_entries, |
2156 | ARRAY_SIZE(error->array_member)); | |
4565e370 WB |
2157 | |
2158 | for (i = 0; i < num_entries; i++, array_entry++) { | |
2159 | ||
2160 | if (!memcmp(array_entry->vpd.vpd.sn, zero_sn, IPR_SERIAL_NUM_LEN)) | |
2161 | continue; | |
2162 | ||
2163 | if (error->exposed_mode_adn == i) | |
2164 | ipr_err("Exposed Array Member %d:\n", i); | |
2165 | else | |
2166 | ipr_err("Array Member %d:\n", i); | |
2167 | ||
2168 | ipr_err("Array Member %d:\n", i); | |
2169 | ipr_log_ext_vpd(&array_entry->vpd); | |
7262026f | 2170 | ipr_err("Current Location: %s\n", |
5adcbeb3 WB |
2171 | ipr_format_res_path(array_entry->res_path, buffer, |
2172 | sizeof(buffer))); | |
7262026f | 2173 | ipr_err("Expected Location: %s\n", |
5adcbeb3 WB |
2174 | ipr_format_res_path(array_entry->expected_res_path, |
2175 | buffer, sizeof(buffer))); | |
4565e370 WB |
2176 | |
2177 | ipr_err_separator; | |
2178 | } | |
2179 | } | |
2180 | ||
2181 | /** | |
2182 | * ipr_log_sis64_fabric_error - Log a sis64 fabric error. | |
2183 | * @ioa_cfg: ioa config struct | |
2184 | * @hostrcb: hostrcb struct | |
2185 | * | |
2186 | * Return value: | |
2187 | * none | |
2188 | **/ | |
2189 | static void ipr_log_sis64_fabric_error(struct ipr_ioa_cfg *ioa_cfg, | |
2190 | struct ipr_hostrcb *hostrcb) | |
2191 | { | |
2192 | struct ipr_hostrcb_type_30_error *error; | |
2193 | struct ipr_hostrcb64_fabric_desc *fabric; | |
2194 | struct ipr_hostrcb64_config_element *cfg; | |
2195 | int i, add_len; | |
2196 | ||
2197 | error = &hostrcb->hcam.u.error64.u.type_30_error; | |
2198 | ||
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_hostrcb64_error, u) + | |
2204 | offsetof(struct ipr_hostrcb_type_30_error, desc)); | |
2205 | ||
2206 | for (i = 0, fabric = error->desc; i < error->num_entries; i++) { | |
2207 | ipr_log64_fabric_path(hostrcb, fabric); | |
2208 | for_each_fabric_cfg(fabric, cfg) | |
2209 | ipr_log64_path_elem(hostrcb, cfg); | |
2210 | ||
2211 | add_len -= be16_to_cpu(fabric->length); | |
2212 | fabric = (struct ipr_hostrcb64_fabric_desc *) | |
2213 | ((unsigned long)fabric + be16_to_cpu(fabric->length)); | |
2214 | } | |
2215 | ||
2216 | ipr_log_hex_data(ioa_cfg, (u32 *)fabric, add_len); | |
2217 | } | |
2218 | ||
b0df54bb BK |
2219 | /** |
2220 | * ipr_log_generic_error - Log an adapter error. | |
2221 | * @ioa_cfg: ioa config struct | |
2222 | * @hostrcb: hostrcb struct | |
2223 | * | |
2224 | * Return value: | |
2225 | * none | |
2226 | **/ | |
2227 | static void ipr_log_generic_error(struct ipr_ioa_cfg *ioa_cfg, | |
2228 | struct ipr_hostrcb *hostrcb) | |
2229 | { | |
ac719aba | 2230 | ipr_log_hex_data(ioa_cfg, hostrcb->hcam.u.raw.data, |
b0df54bb BK |
2231 | be32_to_cpu(hostrcb->hcam.length)); |
2232 | } | |
2233 | ||
1da177e4 LT |
2234 | /** |
2235 | * ipr_get_error - Find the specfied IOASC in the ipr_error_table. | |
2236 | * @ioasc: IOASC | |
2237 | * | |
2238 | * This function will return the index of into the ipr_error_table | |
2239 | * for the specified IOASC. If the IOASC is not in the table, | |
2240 | * 0 will be returned, which points to the entry used for unknown errors. | |
2241 | * | |
2242 | * Return value: | |
2243 | * index into the ipr_error_table | |
2244 | **/ | |
2245 | static u32 ipr_get_error(u32 ioasc) | |
2246 | { | |
2247 | int i; | |
2248 | ||
2249 | for (i = 0; i < ARRAY_SIZE(ipr_error_table); i++) | |
35a39691 | 2250 | if (ipr_error_table[i].ioasc == (ioasc & IPR_IOASC_IOASC_MASK)) |
1da177e4 LT |
2251 | return i; |
2252 | ||
2253 | return 0; | |
2254 | } | |
2255 | ||
2256 | /** | |
2257 | * ipr_handle_log_data - Log an adapter error. | |
2258 | * @ioa_cfg: ioa config struct | |
2259 | * @hostrcb: hostrcb struct | |
2260 | * | |
2261 | * This function logs an adapter error to the system. | |
2262 | * | |
2263 | * Return value: | |
2264 | * none | |
2265 | **/ | |
2266 | static void ipr_handle_log_data(struct ipr_ioa_cfg *ioa_cfg, | |
2267 | struct ipr_hostrcb *hostrcb) | |
2268 | { | |
2269 | u32 ioasc; | |
2270 | int error_index; | |
2271 | ||
2272 | if (hostrcb->hcam.notify_type != IPR_HOST_RCB_NOTIF_TYPE_ERROR_LOG_ENTRY) | |
2273 | return; | |
2274 | ||
2275 | if (hostrcb->hcam.notifications_lost == IPR_HOST_RCB_NOTIFICATIONS_LOST) | |
2276 | dev_err(&ioa_cfg->pdev->dev, "Error notifications lost\n"); | |
2277 | ||
4565e370 WB |
2278 | if (ioa_cfg->sis64) |
2279 | ioasc = be32_to_cpu(hostrcb->hcam.u.error64.fd_ioasc); | |
2280 | else | |
2281 | ioasc = be32_to_cpu(hostrcb->hcam.u.error.fd_ioasc); | |
1da177e4 | 2282 | |
4565e370 WB |
2283 | if (!ioa_cfg->sis64 && (ioasc == IPR_IOASC_BUS_WAS_RESET || |
2284 | ioasc == IPR_IOASC_BUS_WAS_RESET_BY_OTHER)) { | |
1da177e4 LT |
2285 | /* Tell the midlayer we had a bus reset so it will handle the UA properly */ |
2286 | scsi_report_bus_reset(ioa_cfg->host, | |
4565e370 | 2287 | hostrcb->hcam.u.error.fd_res_addr.bus); |
1da177e4 LT |
2288 | } |
2289 | ||
2290 | error_index = ipr_get_error(ioasc); | |
2291 | ||
2292 | if (!ipr_error_table[error_index].log_hcam) | |
2293 | return; | |
2294 | ||
49dc6a18 | 2295 | ipr_hcam_err(hostrcb, "%s\n", ipr_error_table[error_index].error); |
1da177e4 LT |
2296 | |
2297 | /* Set indication we have logged an error */ | |
2298 | ioa_cfg->errors_logged++; | |
2299 | ||
933916f3 | 2300 | if (ioa_cfg->log_level < ipr_error_table[error_index].log_hcam) |
1da177e4 | 2301 | return; |
cf852037 BK |
2302 | if (be32_to_cpu(hostrcb->hcam.length) > sizeof(hostrcb->hcam.u.raw)) |
2303 | hostrcb->hcam.length = cpu_to_be32(sizeof(hostrcb->hcam.u.raw)); | |
1da177e4 LT |
2304 | |
2305 | switch (hostrcb->hcam.overlay_id) { | |
1da177e4 LT |
2306 | case IPR_HOST_RCB_OVERLAY_ID_2: |
2307 | ipr_log_cache_error(ioa_cfg, hostrcb); | |
2308 | break; | |
2309 | case IPR_HOST_RCB_OVERLAY_ID_3: | |
2310 | ipr_log_config_error(ioa_cfg, hostrcb); | |
2311 | break; | |
2312 | case IPR_HOST_RCB_OVERLAY_ID_4: | |
2313 | case IPR_HOST_RCB_OVERLAY_ID_6: | |
2314 | ipr_log_array_error(ioa_cfg, hostrcb); | |
2315 | break; | |
b0df54bb BK |
2316 | case IPR_HOST_RCB_OVERLAY_ID_7: |
2317 | ipr_log_dual_ioa_error(ioa_cfg, hostrcb); | |
2318 | break; | |
ee0f05b8 BK |
2319 | case IPR_HOST_RCB_OVERLAY_ID_12: |
2320 | ipr_log_enhanced_cache_error(ioa_cfg, hostrcb); | |
2321 | break; | |
2322 | case IPR_HOST_RCB_OVERLAY_ID_13: | |
2323 | ipr_log_enhanced_config_error(ioa_cfg, hostrcb); | |
2324 | break; | |
2325 | case IPR_HOST_RCB_OVERLAY_ID_14: | |
2326 | case IPR_HOST_RCB_OVERLAY_ID_16: | |
2327 | ipr_log_enhanced_array_error(ioa_cfg, hostrcb); | |
2328 | break; | |
2329 | case IPR_HOST_RCB_OVERLAY_ID_17: | |
2330 | ipr_log_enhanced_dual_ioa_error(ioa_cfg, hostrcb); | |
2331 | break; | |
49dc6a18 BK |
2332 | case IPR_HOST_RCB_OVERLAY_ID_20: |
2333 | ipr_log_fabric_error(ioa_cfg, hostrcb); | |
2334 | break; | |
4565e370 WB |
2335 | case IPR_HOST_RCB_OVERLAY_ID_23: |
2336 | ipr_log_sis64_config_error(ioa_cfg, hostrcb); | |
2337 | break; | |
2338 | case IPR_HOST_RCB_OVERLAY_ID_24: | |
2339 | case IPR_HOST_RCB_OVERLAY_ID_26: | |
2340 | ipr_log_sis64_array_error(ioa_cfg, hostrcb); | |
2341 | break; | |
2342 | case IPR_HOST_RCB_OVERLAY_ID_30: | |
2343 | ipr_log_sis64_fabric_error(ioa_cfg, hostrcb); | |
2344 | break; | |
cf852037 | 2345 | case IPR_HOST_RCB_OVERLAY_ID_1: |
1da177e4 | 2346 | case IPR_HOST_RCB_OVERLAY_ID_DEFAULT: |
1da177e4 | 2347 | default: |
a9cfca96 | 2348 | ipr_log_generic_error(ioa_cfg, hostrcb); |
1da177e4 LT |
2349 | break; |
2350 | } | |
2351 | } | |
2352 | ||
2353 | /** | |
2354 | * ipr_process_error - Op done function for an adapter error log. | |
2355 | * @ipr_cmd: ipr command struct | |
2356 | * | |
2357 | * This function is the op done function for an error log host | |
2358 | * controlled async from the adapter. It will log the error and | |
2359 | * send the HCAM back to the adapter. | |
2360 | * | |
2361 | * Return value: | |
2362 | * none | |
2363 | **/ | |
2364 | static void ipr_process_error(struct ipr_cmnd *ipr_cmd) | |
2365 | { | |
2366 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
2367 | struct ipr_hostrcb *hostrcb = ipr_cmd->u.hostrcb; | |
96d21f00 | 2368 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
4565e370 WB |
2369 | u32 fd_ioasc; |
2370 | ||
2371 | if (ioa_cfg->sis64) | |
2372 | fd_ioasc = be32_to_cpu(hostrcb->hcam.u.error64.fd_ioasc); | |
2373 | else | |
2374 | fd_ioasc = be32_to_cpu(hostrcb->hcam.u.error.fd_ioasc); | |
1da177e4 LT |
2375 | |
2376 | list_del(&hostrcb->queue); | |
2377 | list_add_tail(&ipr_cmd->queue, &ioa_cfg->free_q); | |
2378 | ||
2379 | if (!ioasc) { | |
2380 | ipr_handle_log_data(ioa_cfg, hostrcb); | |
65f56475 BK |
2381 | if (fd_ioasc == IPR_IOASC_NR_IOA_RESET_REQUIRED) |
2382 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_ABBREV); | |
1da177e4 LT |
2383 | } else if (ioasc != IPR_IOASC_IOA_WAS_RESET) { |
2384 | dev_err(&ioa_cfg->pdev->dev, | |
2385 | "Host RCB failed with IOASC: 0x%08X\n", ioasc); | |
2386 | } | |
2387 | ||
2388 | ipr_send_hcam(ioa_cfg, IPR_HCAM_CDB_OP_CODE_LOG_DATA, hostrcb); | |
2389 | } | |
2390 | ||
2391 | /** | |
2392 | * ipr_timeout - An internally generated op has timed out. | |
2393 | * @ipr_cmd: ipr command struct | |
2394 | * | |
2395 | * This function blocks host requests and initiates an | |
2396 | * adapter reset. | |
2397 | * | |
2398 | * Return value: | |
2399 | * none | |
2400 | **/ | |
2401 | static void ipr_timeout(struct ipr_cmnd *ipr_cmd) | |
2402 | { | |
2403 | unsigned long lock_flags = 0; | |
2404 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
2405 | ||
2406 | ENTER; | |
2407 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
2408 | ||
2409 | ioa_cfg->errors_logged++; | |
2410 | dev_err(&ioa_cfg->pdev->dev, | |
2411 | "Adapter being reset due to command timeout.\n"); | |
2412 | ||
2413 | if (WAIT_FOR_DUMP == ioa_cfg->sdt_state) | |
2414 | ioa_cfg->sdt_state = GET_DUMP; | |
2415 | ||
2416 | if (!ioa_cfg->in_reset_reload || ioa_cfg->reset_cmd == ipr_cmd) | |
2417 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); | |
2418 | ||
2419 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
2420 | LEAVE; | |
2421 | } | |
2422 | ||
2423 | /** | |
2424 | * ipr_oper_timeout - Adapter timed out transitioning to operational | |
2425 | * @ipr_cmd: ipr command struct | |
2426 | * | |
2427 | * This function blocks host requests and initiates an | |
2428 | * adapter reset. | |
2429 | * | |
2430 | * Return value: | |
2431 | * none | |
2432 | **/ | |
2433 | static void ipr_oper_timeout(struct ipr_cmnd *ipr_cmd) | |
2434 | { | |
2435 | unsigned long lock_flags = 0; | |
2436 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
2437 | ||
2438 | ENTER; | |
2439 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
2440 | ||
2441 | ioa_cfg->errors_logged++; | |
2442 | dev_err(&ioa_cfg->pdev->dev, | |
2443 | "Adapter timed out transitioning to operational.\n"); | |
2444 | ||
2445 | if (WAIT_FOR_DUMP == ioa_cfg->sdt_state) | |
2446 | ioa_cfg->sdt_state = GET_DUMP; | |
2447 | ||
2448 | if (!ioa_cfg->in_reset_reload || ioa_cfg->reset_cmd == ipr_cmd) { | |
2449 | if (ipr_fastfail) | |
2450 | ioa_cfg->reset_retries += IPR_NUM_RESET_RELOAD_RETRIES; | |
2451 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); | |
2452 | } | |
2453 | ||
2454 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
2455 | LEAVE; | |
2456 | } | |
2457 | ||
2458 | /** | |
2459 | * ipr_reset_reload - Reset/Reload the IOA | |
2460 | * @ioa_cfg: ioa config struct | |
2461 | * @shutdown_type: shutdown type | |
2462 | * | |
2463 | * This function resets the adapter and re-initializes it. | |
2464 | * This function assumes that all new host commands have been stopped. | |
2465 | * Return value: | |
2466 | * SUCCESS / FAILED | |
2467 | **/ | |
2468 | static int ipr_reset_reload(struct ipr_ioa_cfg *ioa_cfg, | |
2469 | enum ipr_shutdown_type shutdown_type) | |
2470 | { | |
2471 | if (!ioa_cfg->in_reset_reload) | |
2472 | ipr_initiate_ioa_reset(ioa_cfg, shutdown_type); | |
2473 | ||
2474 | spin_unlock_irq(ioa_cfg->host->host_lock); | |
2475 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
2476 | spin_lock_irq(ioa_cfg->host->host_lock); | |
2477 | ||
2478 | /* If we got hit with a host reset while we were already resetting | |
2479 | the adapter for some reason, and the reset failed. */ | |
2480 | if (ioa_cfg->ioa_is_dead) { | |
2481 | ipr_trace; | |
2482 | return FAILED; | |
2483 | } | |
2484 | ||
2485 | return SUCCESS; | |
2486 | } | |
2487 | ||
2488 | /** | |
2489 | * ipr_find_ses_entry - Find matching SES in SES table | |
2490 | * @res: resource entry struct of SES | |
2491 | * | |
2492 | * Return value: | |
2493 | * pointer to SES table entry / NULL on failure | |
2494 | **/ | |
2495 | static const struct ipr_ses_table_entry * | |
2496 | ipr_find_ses_entry(struct ipr_resource_entry *res) | |
2497 | { | |
2498 | int i, j, matches; | |
3e7ebdfa | 2499 | struct ipr_std_inq_vpids *vpids; |
1da177e4 LT |
2500 | const struct ipr_ses_table_entry *ste = ipr_ses_table; |
2501 | ||
2502 | for (i = 0; i < ARRAY_SIZE(ipr_ses_table); i++, ste++) { | |
2503 | for (j = 0, matches = 0; j < IPR_PROD_ID_LEN; j++) { | |
2504 | if (ste->compare_product_id_byte[j] == 'X') { | |
3e7ebdfa WB |
2505 | vpids = &res->std_inq_data.vpids; |
2506 | if (vpids->product_id[j] == ste->product_id[j]) | |
1da177e4 LT |
2507 | matches++; |
2508 | else | |
2509 | break; | |
2510 | } else | |
2511 | matches++; | |
2512 | } | |
2513 | ||
2514 | if (matches == IPR_PROD_ID_LEN) | |
2515 | return ste; | |
2516 | } | |
2517 | ||
2518 | return NULL; | |
2519 | } | |
2520 | ||
2521 | /** | |
2522 | * ipr_get_max_scsi_speed - Determine max SCSI speed for a given bus | |
2523 | * @ioa_cfg: ioa config struct | |
2524 | * @bus: SCSI bus | |
2525 | * @bus_width: bus width | |
2526 | * | |
2527 | * Return value: | |
2528 | * SCSI bus speed in units of 100KHz, 1600 is 160 MHz | |
2529 | * For a 2-byte wide SCSI bus, the maximum transfer speed is | |
2530 | * twice the maximum transfer rate (e.g. for a wide enabled bus, | |
2531 | * max 160MHz = max 320MB/sec). | |
2532 | **/ | |
2533 | static u32 ipr_get_max_scsi_speed(struct ipr_ioa_cfg *ioa_cfg, u8 bus, u8 bus_width) | |
2534 | { | |
2535 | struct ipr_resource_entry *res; | |
2536 | const struct ipr_ses_table_entry *ste; | |
2537 | u32 max_xfer_rate = IPR_MAX_SCSI_RATE(bus_width); | |
2538 | ||
2539 | /* Loop through each config table entry in the config table buffer */ | |
2540 | list_for_each_entry(res, &ioa_cfg->used_res_q, queue) { | |
3e7ebdfa | 2541 | if (!(IPR_IS_SES_DEVICE(res->std_inq_data))) |
1da177e4 LT |
2542 | continue; |
2543 | ||
3e7ebdfa | 2544 | if (bus != res->bus) |
1da177e4 LT |
2545 | continue; |
2546 | ||
2547 | if (!(ste = ipr_find_ses_entry(res))) | |
2548 | continue; | |
2549 | ||
2550 | max_xfer_rate = (ste->max_bus_speed_limit * 10) / (bus_width / 8); | |
2551 | } | |
2552 | ||
2553 | return max_xfer_rate; | |
2554 | } | |
2555 | ||
2556 | /** | |
2557 | * ipr_wait_iodbg_ack - Wait for an IODEBUG ACK from the IOA | |
2558 | * @ioa_cfg: ioa config struct | |
2559 | * @max_delay: max delay in micro-seconds to wait | |
2560 | * | |
2561 | * Waits for an IODEBUG ACK from the IOA, doing busy looping. | |
2562 | * | |
2563 | * Return value: | |
2564 | * 0 on success / other on failure | |
2565 | **/ | |
2566 | static int ipr_wait_iodbg_ack(struct ipr_ioa_cfg *ioa_cfg, int max_delay) | |
2567 | { | |
2568 | volatile u32 pcii_reg; | |
2569 | int delay = 1; | |
2570 | ||
2571 | /* Read interrupt reg until IOA signals IO Debug Acknowledge */ | |
2572 | while (delay < max_delay) { | |
2573 | pcii_reg = readl(ioa_cfg->regs.sense_interrupt_reg); | |
2574 | ||
2575 | if (pcii_reg & IPR_PCII_IO_DEBUG_ACKNOWLEDGE) | |
2576 | return 0; | |
2577 | ||
2578 | /* udelay cannot be used if delay is more than a few milliseconds */ | |
2579 | if ((delay / 1000) > MAX_UDELAY_MS) | |
2580 | mdelay(delay / 1000); | |
2581 | else | |
2582 | udelay(delay); | |
2583 | ||
2584 | delay += delay; | |
2585 | } | |
2586 | return -EIO; | |
2587 | } | |
2588 | ||
dcbad00e WB |
2589 | /** |
2590 | * ipr_get_sis64_dump_data_section - Dump IOA memory | |
2591 | * @ioa_cfg: ioa config struct | |
2592 | * @start_addr: adapter address to dump | |
2593 | * @dest: destination kernel buffer | |
2594 | * @length_in_words: length to dump in 4 byte words | |
2595 | * | |
2596 | * Return value: | |
2597 | * 0 on success | |
2598 | **/ | |
2599 | static int ipr_get_sis64_dump_data_section(struct ipr_ioa_cfg *ioa_cfg, | |
2600 | u32 start_addr, | |
2601 | __be32 *dest, u32 length_in_words) | |
2602 | { | |
2603 | int i; | |
2604 | ||
2605 | for (i = 0; i < length_in_words; i++) { | |
2606 | writel(start_addr+(i*4), ioa_cfg->regs.dump_addr_reg); | |
2607 | *dest = cpu_to_be32(readl(ioa_cfg->regs.dump_data_reg)); | |
2608 | dest++; | |
2609 | } | |
2610 | ||
2611 | return 0; | |
2612 | } | |
2613 | ||
1da177e4 LT |
2614 | /** |
2615 | * ipr_get_ldump_data_section - Dump IOA memory | |
2616 | * @ioa_cfg: ioa config struct | |
2617 | * @start_addr: adapter address to dump | |
2618 | * @dest: destination kernel buffer | |
2619 | * @length_in_words: length to dump in 4 byte words | |
2620 | * | |
2621 | * Return value: | |
2622 | * 0 on success / -EIO on failure | |
2623 | **/ | |
2624 | static int ipr_get_ldump_data_section(struct ipr_ioa_cfg *ioa_cfg, | |
2625 | u32 start_addr, | |
2626 | __be32 *dest, u32 length_in_words) | |
2627 | { | |
2628 | volatile u32 temp_pcii_reg; | |
2629 | int i, delay = 0; | |
2630 | ||
dcbad00e WB |
2631 | if (ioa_cfg->sis64) |
2632 | return ipr_get_sis64_dump_data_section(ioa_cfg, start_addr, | |
2633 | dest, length_in_words); | |
2634 | ||
1da177e4 LT |
2635 | /* Write IOA interrupt reg starting LDUMP state */ |
2636 | writel((IPR_UPROCI_RESET_ALERT | IPR_UPROCI_IO_DEBUG_ALERT), | |
214777ba | 2637 | ioa_cfg->regs.set_uproc_interrupt_reg32); |
1da177e4 LT |
2638 | |
2639 | /* Wait for IO debug acknowledge */ | |
2640 | if (ipr_wait_iodbg_ack(ioa_cfg, | |
2641 | IPR_LDUMP_MAX_LONG_ACK_DELAY_IN_USEC)) { | |
2642 | dev_err(&ioa_cfg->pdev->dev, | |
2643 | "IOA dump long data transfer timeout\n"); | |
2644 | return -EIO; | |
2645 | } | |
2646 | ||
2647 | /* Signal LDUMP interlocked - clear IO debug ack */ | |
2648 | writel(IPR_PCII_IO_DEBUG_ACKNOWLEDGE, | |
2649 | ioa_cfg->regs.clr_interrupt_reg); | |
2650 | ||
2651 | /* Write Mailbox with starting address */ | |
2652 | writel(start_addr, ioa_cfg->ioa_mailbox); | |
2653 | ||
2654 | /* Signal address valid - clear IOA Reset alert */ | |
2655 | writel(IPR_UPROCI_RESET_ALERT, | |
214777ba | 2656 | ioa_cfg->regs.clr_uproc_interrupt_reg32); |
1da177e4 LT |
2657 | |
2658 | for (i = 0; i < length_in_words; i++) { | |
2659 | /* Wait for IO debug acknowledge */ | |
2660 | if (ipr_wait_iodbg_ack(ioa_cfg, | |
2661 | IPR_LDUMP_MAX_SHORT_ACK_DELAY_IN_USEC)) { | |
2662 | dev_err(&ioa_cfg->pdev->dev, | |
2663 | "IOA dump short data transfer timeout\n"); | |
2664 | return -EIO; | |
2665 | } | |
2666 | ||
2667 | /* Read data from mailbox and increment destination pointer */ | |
2668 | *dest = cpu_to_be32(readl(ioa_cfg->ioa_mailbox)); | |
2669 | dest++; | |
2670 | ||
2671 | /* For all but the last word of data, signal data received */ | |
2672 | if (i < (length_in_words - 1)) { | |
2673 | /* Signal dump data received - Clear IO debug Ack */ | |
2674 | writel(IPR_PCII_IO_DEBUG_ACKNOWLEDGE, | |
2675 | ioa_cfg->regs.clr_interrupt_reg); | |
2676 | } | |
2677 | } | |
2678 | ||
2679 | /* Signal end of block transfer. Set reset alert then clear IO debug ack */ | |
2680 | writel(IPR_UPROCI_RESET_ALERT, | |
214777ba | 2681 | ioa_cfg->regs.set_uproc_interrupt_reg32); |
1da177e4 LT |
2682 | |
2683 | writel(IPR_UPROCI_IO_DEBUG_ALERT, | |
214777ba | 2684 | ioa_cfg->regs.clr_uproc_interrupt_reg32); |
1da177e4 LT |
2685 | |
2686 | /* Signal dump data received - Clear IO debug Ack */ | |
2687 | writel(IPR_PCII_IO_DEBUG_ACKNOWLEDGE, | |
2688 | ioa_cfg->regs.clr_interrupt_reg); | |
2689 | ||
2690 | /* Wait for IOA to signal LDUMP exit - IOA reset alert will be cleared */ | |
2691 | while (delay < IPR_LDUMP_MAX_SHORT_ACK_DELAY_IN_USEC) { | |
2692 | temp_pcii_reg = | |
214777ba | 2693 | readl(ioa_cfg->regs.sense_uproc_interrupt_reg32); |
1da177e4 LT |
2694 | |
2695 | if (!(temp_pcii_reg & IPR_UPROCI_RESET_ALERT)) | |
2696 | return 0; | |
2697 | ||
2698 | udelay(10); | |
2699 | delay += 10; | |
2700 | } | |
2701 | ||
2702 | return 0; | |
2703 | } | |
2704 | ||
2705 | #ifdef CONFIG_SCSI_IPR_DUMP | |
2706 | /** | |
2707 | * ipr_sdt_copy - Copy Smart Dump Table to kernel buffer | |
2708 | * @ioa_cfg: ioa config struct | |
2709 | * @pci_address: adapter address | |
2710 | * @length: length of data to copy | |
2711 | * | |
2712 | * Copy data from PCI adapter to kernel buffer. | |
2713 | * Note: length MUST be a 4 byte multiple | |
2714 | * Return value: | |
2715 | * 0 on success / other on failure | |
2716 | **/ | |
2717 | static int ipr_sdt_copy(struct ipr_ioa_cfg *ioa_cfg, | |
2718 | unsigned long pci_address, u32 length) | |
2719 | { | |
2720 | int bytes_copied = 0; | |
4d4dd706 | 2721 | int cur_len, rc, rem_len, rem_page_len, max_dump_size; |
1da177e4 LT |
2722 | __be32 *page; |
2723 | unsigned long lock_flags = 0; | |
2724 | struct ipr_ioa_dump *ioa_dump = &ioa_cfg->dump->ioa_dump; | |
2725 | ||
4d4dd706 KSS |
2726 | if (ioa_cfg->sis64) |
2727 | max_dump_size = IPR_FMT3_MAX_IOA_DUMP_SIZE; | |
2728 | else | |
2729 | max_dump_size = IPR_FMT2_MAX_IOA_DUMP_SIZE; | |
2730 | ||
1da177e4 | 2731 | while (bytes_copied < length && |
4d4dd706 | 2732 | (ioa_dump->hdr.len + bytes_copied) < max_dump_size) { |
1da177e4 LT |
2733 | if (ioa_dump->page_offset >= PAGE_SIZE || |
2734 | ioa_dump->page_offset == 0) { | |
2735 | page = (__be32 *)__get_free_page(GFP_ATOMIC); | |
2736 | ||
2737 | if (!page) { | |
2738 | ipr_trace; | |
2739 | return bytes_copied; | |
2740 | } | |
2741 | ||
2742 | ioa_dump->page_offset = 0; | |
2743 | ioa_dump->ioa_data[ioa_dump->next_page_index] = page; | |
2744 | ioa_dump->next_page_index++; | |
2745 | } else | |
2746 | page = ioa_dump->ioa_data[ioa_dump->next_page_index - 1]; | |
2747 | ||
2748 | rem_len = length - bytes_copied; | |
2749 | rem_page_len = PAGE_SIZE - ioa_dump->page_offset; | |
2750 | cur_len = min(rem_len, rem_page_len); | |
2751 | ||
2752 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
2753 | if (ioa_cfg->sdt_state == ABORT_DUMP) { | |
2754 | rc = -EIO; | |
2755 | } else { | |
2756 | rc = ipr_get_ldump_data_section(ioa_cfg, | |
2757 | pci_address + bytes_copied, | |
2758 | &page[ioa_dump->page_offset / 4], | |
2759 | (cur_len / sizeof(u32))); | |
2760 | } | |
2761 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
2762 | ||
2763 | if (!rc) { | |
2764 | ioa_dump->page_offset += cur_len; | |
2765 | bytes_copied += cur_len; | |
2766 | } else { | |
2767 | ipr_trace; | |
2768 | break; | |
2769 | } | |
2770 | schedule(); | |
2771 | } | |
2772 | ||
2773 | return bytes_copied; | |
2774 | } | |
2775 | ||
2776 | /** | |
2777 | * ipr_init_dump_entry_hdr - Initialize a dump entry header. | |
2778 | * @hdr: dump entry header struct | |
2779 | * | |
2780 | * Return value: | |
2781 | * nothing | |
2782 | **/ | |
2783 | static void ipr_init_dump_entry_hdr(struct ipr_dump_entry_header *hdr) | |
2784 | { | |
2785 | hdr->eye_catcher = IPR_DUMP_EYE_CATCHER; | |
2786 | hdr->num_elems = 1; | |
2787 | hdr->offset = sizeof(*hdr); | |
2788 | hdr->status = IPR_DUMP_STATUS_SUCCESS; | |
2789 | } | |
2790 | ||
2791 | /** | |
2792 | * ipr_dump_ioa_type_data - Fill in the adapter type in the dump. | |
2793 | * @ioa_cfg: ioa config struct | |
2794 | * @driver_dump: driver dump struct | |
2795 | * | |
2796 | * Return value: | |
2797 | * nothing | |
2798 | **/ | |
2799 | static void ipr_dump_ioa_type_data(struct ipr_ioa_cfg *ioa_cfg, | |
2800 | struct ipr_driver_dump *driver_dump) | |
2801 | { | |
2802 | struct ipr_inquiry_page3 *ucode_vpd = &ioa_cfg->vpd_cbs->page3_data; | |
2803 | ||
2804 | ipr_init_dump_entry_hdr(&driver_dump->ioa_type_entry.hdr); | |
2805 | driver_dump->ioa_type_entry.hdr.len = | |
2806 | sizeof(struct ipr_dump_ioa_type_entry) - | |
2807 | sizeof(struct ipr_dump_entry_header); | |
2808 | driver_dump->ioa_type_entry.hdr.data_type = IPR_DUMP_DATA_TYPE_BINARY; | |
2809 | driver_dump->ioa_type_entry.hdr.id = IPR_DUMP_DRIVER_TYPE_ID; | |
2810 | driver_dump->ioa_type_entry.type = ioa_cfg->type; | |
2811 | driver_dump->ioa_type_entry.fw_version = (ucode_vpd->major_release << 24) | | |
2812 | (ucode_vpd->card_type << 16) | (ucode_vpd->minor_release[0] << 8) | | |
2813 | ucode_vpd->minor_release[1]; | |
2814 | driver_dump->hdr.num_entries++; | |
2815 | } | |
2816 | ||
2817 | /** | |
2818 | * ipr_dump_version_data - Fill in the driver version in the dump. | |
2819 | * @ioa_cfg: ioa config struct | |
2820 | * @driver_dump: driver dump struct | |
2821 | * | |
2822 | * Return value: | |
2823 | * nothing | |
2824 | **/ | |
2825 | static void ipr_dump_version_data(struct ipr_ioa_cfg *ioa_cfg, | |
2826 | struct ipr_driver_dump *driver_dump) | |
2827 | { | |
2828 | ipr_init_dump_entry_hdr(&driver_dump->version_entry.hdr); | |
2829 | driver_dump->version_entry.hdr.len = | |
2830 | sizeof(struct ipr_dump_version_entry) - | |
2831 | sizeof(struct ipr_dump_entry_header); | |
2832 | driver_dump->version_entry.hdr.data_type = IPR_DUMP_DATA_TYPE_ASCII; | |
2833 | driver_dump->version_entry.hdr.id = IPR_DUMP_DRIVER_VERSION_ID; | |
2834 | strcpy(driver_dump->version_entry.version, IPR_DRIVER_VERSION); | |
2835 | driver_dump->hdr.num_entries++; | |
2836 | } | |
2837 | ||
2838 | /** | |
2839 | * ipr_dump_trace_data - Fill in the IOA trace in the dump. | |
2840 | * @ioa_cfg: ioa config struct | |
2841 | * @driver_dump: driver dump struct | |
2842 | * | |
2843 | * Return value: | |
2844 | * nothing | |
2845 | **/ | |
2846 | static void ipr_dump_trace_data(struct ipr_ioa_cfg *ioa_cfg, | |
2847 | struct ipr_driver_dump *driver_dump) | |
2848 | { | |
2849 | ipr_init_dump_entry_hdr(&driver_dump->trace_entry.hdr); | |
2850 | driver_dump->trace_entry.hdr.len = | |
2851 | sizeof(struct ipr_dump_trace_entry) - | |
2852 | sizeof(struct ipr_dump_entry_header); | |
2853 | driver_dump->trace_entry.hdr.data_type = IPR_DUMP_DATA_TYPE_BINARY; | |
2854 | driver_dump->trace_entry.hdr.id = IPR_DUMP_TRACE_ID; | |
2855 | memcpy(driver_dump->trace_entry.trace, ioa_cfg->trace, IPR_TRACE_SIZE); | |
2856 | driver_dump->hdr.num_entries++; | |
2857 | } | |
2858 | ||
2859 | /** | |
2860 | * ipr_dump_location_data - Fill in the IOA location in the dump. | |
2861 | * @ioa_cfg: ioa config struct | |
2862 | * @driver_dump: driver dump struct | |
2863 | * | |
2864 | * Return value: | |
2865 | * nothing | |
2866 | **/ | |
2867 | static void ipr_dump_location_data(struct ipr_ioa_cfg *ioa_cfg, | |
2868 | struct ipr_driver_dump *driver_dump) | |
2869 | { | |
2870 | ipr_init_dump_entry_hdr(&driver_dump->location_entry.hdr); | |
2871 | driver_dump->location_entry.hdr.len = | |
2872 | sizeof(struct ipr_dump_location_entry) - | |
2873 | sizeof(struct ipr_dump_entry_header); | |
2874 | driver_dump->location_entry.hdr.data_type = IPR_DUMP_DATA_TYPE_ASCII; | |
2875 | driver_dump->location_entry.hdr.id = IPR_DUMP_LOCATION_ID; | |
71610f55 | 2876 | strcpy(driver_dump->location_entry.location, dev_name(&ioa_cfg->pdev->dev)); |
1da177e4 LT |
2877 | driver_dump->hdr.num_entries++; |
2878 | } | |
2879 | ||
2880 | /** | |
2881 | * ipr_get_ioa_dump - Perform a dump of the driver and adapter. | |
2882 | * @ioa_cfg: ioa config struct | |
2883 | * @dump: dump struct | |
2884 | * | |
2885 | * Return value: | |
2886 | * nothing | |
2887 | **/ | |
2888 | static void ipr_get_ioa_dump(struct ipr_ioa_cfg *ioa_cfg, struct ipr_dump *dump) | |
2889 | { | |
2890 | unsigned long start_addr, sdt_word; | |
2891 | unsigned long lock_flags = 0; | |
2892 | struct ipr_driver_dump *driver_dump = &dump->driver_dump; | |
2893 | struct ipr_ioa_dump *ioa_dump = &dump->ioa_dump; | |
4d4dd706 KSS |
2894 | u32 num_entries, max_num_entries, start_off, end_off; |
2895 | u32 max_dump_size, bytes_to_copy, bytes_copied, rc; | |
1da177e4 | 2896 | struct ipr_sdt *sdt; |
dcbad00e | 2897 | int valid = 1; |
1da177e4 LT |
2898 | int i; |
2899 | ||
2900 | ENTER; | |
2901 | ||
2902 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
2903 | ||
41e9a696 | 2904 | if (ioa_cfg->sdt_state != READ_DUMP) { |
1da177e4 LT |
2905 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
2906 | return; | |
2907 | } | |
2908 | ||
110def85 WB |
2909 | if (ioa_cfg->sis64) { |
2910 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
2911 | ssleep(IPR_DUMP_DELAY_SECONDS); | |
2912 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
2913 | } | |
2914 | ||
1da177e4 LT |
2915 | start_addr = readl(ioa_cfg->ioa_mailbox); |
2916 | ||
dcbad00e | 2917 | if (!ioa_cfg->sis64 && !ipr_sdt_is_fmt2(start_addr)) { |
1da177e4 LT |
2918 | dev_err(&ioa_cfg->pdev->dev, |
2919 | "Invalid dump table format: %lx\n", start_addr); | |
2920 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
2921 | return; | |
2922 | } | |
2923 | ||
2924 | dev_err(&ioa_cfg->pdev->dev, "Dump of IOA initiated\n"); | |
2925 | ||
2926 | driver_dump->hdr.eye_catcher = IPR_DUMP_EYE_CATCHER; | |
2927 | ||
2928 | /* Initialize the overall dump header */ | |
2929 | driver_dump->hdr.len = sizeof(struct ipr_driver_dump); | |
2930 | driver_dump->hdr.num_entries = 1; | |
2931 | driver_dump->hdr.first_entry_offset = sizeof(struct ipr_dump_header); | |
2932 | driver_dump->hdr.status = IPR_DUMP_STATUS_SUCCESS; | |
2933 | driver_dump->hdr.os = IPR_DUMP_OS_LINUX; | |
2934 | driver_dump->hdr.driver_name = IPR_DUMP_DRIVER_NAME; | |
2935 | ||
2936 | ipr_dump_version_data(ioa_cfg, driver_dump); | |
2937 | ipr_dump_location_data(ioa_cfg, driver_dump); | |
2938 | ipr_dump_ioa_type_data(ioa_cfg, driver_dump); | |
2939 | ipr_dump_trace_data(ioa_cfg, driver_dump); | |
2940 | ||
2941 | /* Update dump_header */ | |
2942 | driver_dump->hdr.len += sizeof(struct ipr_dump_entry_header); | |
2943 | ||
2944 | /* IOA Dump entry */ | |
2945 | ipr_init_dump_entry_hdr(&ioa_dump->hdr); | |
1da177e4 LT |
2946 | ioa_dump->hdr.len = 0; |
2947 | ioa_dump->hdr.data_type = IPR_DUMP_DATA_TYPE_BINARY; | |
2948 | ioa_dump->hdr.id = IPR_DUMP_IOA_DUMP_ID; | |
2949 | ||
2950 | /* First entries in sdt are actually a list of dump addresses and | |
2951 | lengths to gather the real dump data. sdt represents the pointer | |
2952 | to the ioa generated dump table. Dump data will be extracted based | |
2953 | on entries in this table */ | |
2954 | sdt = &ioa_dump->sdt; | |
2955 | ||
4d4dd706 KSS |
2956 | if (ioa_cfg->sis64) { |
2957 | max_num_entries = IPR_FMT3_NUM_SDT_ENTRIES; | |
2958 | max_dump_size = IPR_FMT3_MAX_IOA_DUMP_SIZE; | |
2959 | } else { | |
2960 | max_num_entries = IPR_FMT2_NUM_SDT_ENTRIES; | |
2961 | max_dump_size = IPR_FMT2_MAX_IOA_DUMP_SIZE; | |
2962 | } | |
2963 | ||
2964 | bytes_to_copy = offsetof(struct ipr_sdt, entry) + | |
2965 | (max_num_entries * sizeof(struct ipr_sdt_entry)); | |
1da177e4 | 2966 | rc = ipr_get_ldump_data_section(ioa_cfg, start_addr, (__be32 *)sdt, |
4d4dd706 | 2967 | bytes_to_copy / sizeof(__be32)); |
1da177e4 LT |
2968 | |
2969 | /* Smart Dump table is ready to use and the first entry is valid */ | |
dcbad00e WB |
2970 | if (rc || ((be32_to_cpu(sdt->hdr.state) != IPR_FMT3_SDT_READY_TO_USE) && |
2971 | (be32_to_cpu(sdt->hdr.state) != IPR_FMT2_SDT_READY_TO_USE))) { | |
1da177e4 LT |
2972 | dev_err(&ioa_cfg->pdev->dev, |
2973 | "Dump of IOA failed. Dump table not valid: %d, %X.\n", | |
2974 | rc, be32_to_cpu(sdt->hdr.state)); | |
2975 | driver_dump->hdr.status = IPR_DUMP_STATUS_FAILED; | |
2976 | ioa_cfg->sdt_state = DUMP_OBTAINED; | |
2977 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
2978 | return; | |
2979 | } | |
2980 | ||
2981 | num_entries = be32_to_cpu(sdt->hdr.num_entries_used); | |
2982 | ||
4d4dd706 KSS |
2983 | if (num_entries > max_num_entries) |
2984 | num_entries = max_num_entries; | |
2985 | ||
2986 | /* Update dump length to the actual data to be copied */ | |
2987 | dump->driver_dump.hdr.len += sizeof(struct ipr_sdt_header); | |
2988 | if (ioa_cfg->sis64) | |
2989 | dump->driver_dump.hdr.len += num_entries * sizeof(struct ipr_sdt_entry); | |
2990 | else | |
2991 | dump->driver_dump.hdr.len += max_num_entries * sizeof(struct ipr_sdt_entry); | |
1da177e4 LT |
2992 | |
2993 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
2994 | ||
2995 | for (i = 0; i < num_entries; i++) { | |
4d4dd706 | 2996 | if (ioa_dump->hdr.len > max_dump_size) { |
1da177e4 LT |
2997 | driver_dump->hdr.status = IPR_DUMP_STATUS_QUAL_SUCCESS; |
2998 | break; | |
2999 | } | |
3000 | ||
3001 | if (sdt->entry[i].flags & IPR_SDT_VALID_ENTRY) { | |
dcbad00e WB |
3002 | sdt_word = be32_to_cpu(sdt->entry[i].start_token); |
3003 | if (ioa_cfg->sis64) | |
3004 | bytes_to_copy = be32_to_cpu(sdt->entry[i].end_token); | |
3005 | else { | |
3006 | start_off = sdt_word & IPR_FMT2_MBX_ADDR_MASK; | |
3007 | end_off = be32_to_cpu(sdt->entry[i].end_token); | |
3008 | ||
3009 | if (ipr_sdt_is_fmt2(sdt_word) && sdt_word) | |
3010 | bytes_to_copy = end_off - start_off; | |
3011 | else | |
3012 | valid = 0; | |
3013 | } | |
3014 | if (valid) { | |
4d4dd706 | 3015 | if (bytes_to_copy > max_dump_size) { |
1da177e4 LT |
3016 | sdt->entry[i].flags &= ~IPR_SDT_VALID_ENTRY; |
3017 | continue; | |
3018 | } | |
3019 | ||
3020 | /* Copy data from adapter to driver buffers */ | |
3021 | bytes_copied = ipr_sdt_copy(ioa_cfg, sdt_word, | |
3022 | bytes_to_copy); | |
3023 | ||
3024 | ioa_dump->hdr.len += bytes_copied; | |
3025 | ||
3026 | if (bytes_copied != bytes_to_copy) { | |
3027 | driver_dump->hdr.status = IPR_DUMP_STATUS_QUAL_SUCCESS; | |
3028 | break; | |
3029 | } | |
3030 | } | |
3031 | } | |
3032 | } | |
3033 | ||
3034 | dev_err(&ioa_cfg->pdev->dev, "Dump of IOA completed.\n"); | |
3035 | ||
3036 | /* Update dump_header */ | |
3037 | driver_dump->hdr.len += ioa_dump->hdr.len; | |
3038 | wmb(); | |
3039 | ioa_cfg->sdt_state = DUMP_OBTAINED; | |
3040 | LEAVE; | |
3041 | } | |
3042 | ||
3043 | #else | |
3044 | #define ipr_get_ioa_dump(ioa_cfg, dump) do { } while(0) | |
3045 | #endif | |
3046 | ||
3047 | /** | |
3048 | * ipr_release_dump - Free adapter dump memory | |
3049 | * @kref: kref struct | |
3050 | * | |
3051 | * Return value: | |
3052 | * nothing | |
3053 | **/ | |
3054 | static void ipr_release_dump(struct kref *kref) | |
3055 | { | |
3056 | struct ipr_dump *dump = container_of(kref,struct ipr_dump,kref); | |
3057 | struct ipr_ioa_cfg *ioa_cfg = dump->ioa_cfg; | |
3058 | unsigned long lock_flags = 0; | |
3059 | int i; | |
3060 | ||
3061 | ENTER; | |
3062 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3063 | ioa_cfg->dump = NULL; | |
3064 | ioa_cfg->sdt_state = INACTIVE; | |
3065 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3066 | ||
3067 | for (i = 0; i < dump->ioa_dump.next_page_index; i++) | |
3068 | free_page((unsigned long) dump->ioa_dump.ioa_data[i]); | |
3069 | ||
4d4dd706 | 3070 | vfree(dump->ioa_dump.ioa_data); |
1da177e4 LT |
3071 | kfree(dump); |
3072 | LEAVE; | |
3073 | } | |
3074 | ||
3075 | /** | |
3076 | * ipr_worker_thread - Worker thread | |
c4028958 | 3077 | * @work: ioa config struct |
1da177e4 LT |
3078 | * |
3079 | * Called at task level from a work thread. This function takes care | |
3080 | * of adding and removing device from the mid-layer as configuration | |
3081 | * changes are detected by the adapter. | |
3082 | * | |
3083 | * Return value: | |
3084 | * nothing | |
3085 | **/ | |
c4028958 | 3086 | static void ipr_worker_thread(struct work_struct *work) |
1da177e4 LT |
3087 | { |
3088 | unsigned long lock_flags; | |
3089 | struct ipr_resource_entry *res; | |
3090 | struct scsi_device *sdev; | |
3091 | struct ipr_dump *dump; | |
c4028958 DH |
3092 | struct ipr_ioa_cfg *ioa_cfg = |
3093 | container_of(work, struct ipr_ioa_cfg, work_q); | |
1da177e4 LT |
3094 | u8 bus, target, lun; |
3095 | int did_work; | |
3096 | ||
3097 | ENTER; | |
3098 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3099 | ||
41e9a696 | 3100 | if (ioa_cfg->sdt_state == READ_DUMP) { |
1da177e4 LT |
3101 | dump = ioa_cfg->dump; |
3102 | if (!dump) { | |
3103 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3104 | return; | |
3105 | } | |
3106 | kref_get(&dump->kref); | |
3107 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3108 | ipr_get_ioa_dump(ioa_cfg, dump); | |
3109 | kref_put(&dump->kref, ipr_release_dump); | |
3110 | ||
3111 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3112 | if (ioa_cfg->sdt_state == DUMP_OBTAINED) | |
3113 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); | |
3114 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3115 | return; | |
3116 | } | |
3117 | ||
3118 | restart: | |
3119 | do { | |
3120 | did_work = 0; | |
3121 | if (!ioa_cfg->allow_cmds || !ioa_cfg->allow_ml_add_del) { | |
3122 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3123 | return; | |
3124 | } | |
3125 | ||
3126 | list_for_each_entry(res, &ioa_cfg->used_res_q, queue) { | |
3127 | if (res->del_from_ml && res->sdev) { | |
3128 | did_work = 1; | |
3129 | sdev = res->sdev; | |
3130 | if (!scsi_device_get(sdev)) { | |
5767a1c4 KSS |
3131 | if (!res->add_to_ml) |
3132 | list_move_tail(&res->queue, &ioa_cfg->free_res_q); | |
3133 | else | |
3134 | res->del_from_ml = 0; | |
1da177e4 LT |
3135 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
3136 | scsi_remove_device(sdev); | |
3137 | scsi_device_put(sdev); | |
3138 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3139 | } | |
3140 | break; | |
3141 | } | |
3142 | } | |
3143 | } while(did_work); | |
3144 | ||
3145 | list_for_each_entry(res, &ioa_cfg->used_res_q, queue) { | |
3146 | if (res->add_to_ml) { | |
3e7ebdfa WB |
3147 | bus = res->bus; |
3148 | target = res->target; | |
3149 | lun = res->lun; | |
1121b794 | 3150 | res->add_to_ml = 0; |
1da177e4 LT |
3151 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
3152 | scsi_add_device(ioa_cfg->host, bus, target, lun); | |
3153 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3154 | goto restart; | |
3155 | } | |
3156 | } | |
3157 | ||
3158 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
ee959b00 | 3159 | kobject_uevent(&ioa_cfg->host->shost_dev.kobj, KOBJ_CHANGE); |
1da177e4 LT |
3160 | LEAVE; |
3161 | } | |
3162 | ||
3163 | #ifdef CONFIG_SCSI_IPR_TRACE | |
3164 | /** | |
3165 | * ipr_read_trace - Dump the adapter trace | |
2c3c8bea | 3166 | * @filp: open sysfs file |
1da177e4 | 3167 | * @kobj: kobject struct |
91a69029 | 3168 | * @bin_attr: bin_attribute struct |
1da177e4 LT |
3169 | * @buf: buffer |
3170 | * @off: offset | |
3171 | * @count: buffer size | |
3172 | * | |
3173 | * Return value: | |
3174 | * number of bytes printed to buffer | |
3175 | **/ | |
2c3c8bea | 3176 | static ssize_t ipr_read_trace(struct file *filp, struct kobject *kobj, |
91a69029 ZR |
3177 | struct bin_attribute *bin_attr, |
3178 | char *buf, loff_t off, size_t count) | |
1da177e4 | 3179 | { |
ee959b00 TJ |
3180 | struct device *dev = container_of(kobj, struct device, kobj); |
3181 | struct Scsi_Host *shost = class_to_shost(dev); | |
1da177e4 LT |
3182 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
3183 | unsigned long lock_flags = 0; | |
d777aaf3 | 3184 | ssize_t ret; |
1da177e4 LT |
3185 | |
3186 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
d777aaf3 AM |
3187 | ret = memory_read_from_buffer(buf, count, &off, ioa_cfg->trace, |
3188 | IPR_TRACE_SIZE); | |
1da177e4 | 3189 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
d777aaf3 AM |
3190 | |
3191 | return ret; | |
1da177e4 LT |
3192 | } |
3193 | ||
3194 | static struct bin_attribute ipr_trace_attr = { | |
3195 | .attr = { | |
3196 | .name = "trace", | |
3197 | .mode = S_IRUGO, | |
3198 | }, | |
3199 | .size = 0, | |
3200 | .read = ipr_read_trace, | |
3201 | }; | |
3202 | #endif | |
3203 | ||
3204 | /** | |
3205 | * ipr_show_fw_version - Show the firmware version | |
ee959b00 TJ |
3206 | * @dev: class device struct |
3207 | * @buf: buffer | |
1da177e4 LT |
3208 | * |
3209 | * Return value: | |
3210 | * number of bytes printed to buffer | |
3211 | **/ | |
ee959b00 TJ |
3212 | static ssize_t ipr_show_fw_version(struct device *dev, |
3213 | struct device_attribute *attr, char *buf) | |
1da177e4 | 3214 | { |
ee959b00 | 3215 | struct Scsi_Host *shost = class_to_shost(dev); |
1da177e4 LT |
3216 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
3217 | struct ipr_inquiry_page3 *ucode_vpd = &ioa_cfg->vpd_cbs->page3_data; | |
3218 | unsigned long lock_flags = 0; | |
3219 | int len; | |
3220 | ||
3221 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3222 | len = snprintf(buf, PAGE_SIZE, "%02X%02X%02X%02X\n", | |
3223 | ucode_vpd->major_release, ucode_vpd->card_type, | |
3224 | ucode_vpd->minor_release[0], | |
3225 | ucode_vpd->minor_release[1]); | |
3226 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3227 | return len; | |
3228 | } | |
3229 | ||
ee959b00 | 3230 | static struct device_attribute ipr_fw_version_attr = { |
1da177e4 LT |
3231 | .attr = { |
3232 | .name = "fw_version", | |
3233 | .mode = S_IRUGO, | |
3234 | }, | |
3235 | .show = ipr_show_fw_version, | |
3236 | }; | |
3237 | ||
3238 | /** | |
3239 | * ipr_show_log_level - Show the adapter's error logging level | |
ee959b00 TJ |
3240 | * @dev: class device struct |
3241 | * @buf: buffer | |
1da177e4 LT |
3242 | * |
3243 | * Return value: | |
3244 | * number of bytes printed to buffer | |
3245 | **/ | |
ee959b00 TJ |
3246 | static ssize_t ipr_show_log_level(struct device *dev, |
3247 | struct device_attribute *attr, char *buf) | |
1da177e4 | 3248 | { |
ee959b00 | 3249 | struct Scsi_Host *shost = class_to_shost(dev); |
1da177e4 LT |
3250 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
3251 | unsigned long lock_flags = 0; | |
3252 | int len; | |
3253 | ||
3254 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3255 | len = snprintf(buf, PAGE_SIZE, "%d\n", ioa_cfg->log_level); | |
3256 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3257 | return len; | |
3258 | } | |
3259 | ||
3260 | /** | |
3261 | * ipr_store_log_level - Change the adapter's error logging level | |
ee959b00 TJ |
3262 | * @dev: class device struct |
3263 | * @buf: buffer | |
1da177e4 LT |
3264 | * |
3265 | * Return value: | |
3266 | * number of bytes printed to buffer | |
3267 | **/ | |
ee959b00 TJ |
3268 | static ssize_t ipr_store_log_level(struct device *dev, |
3269 | struct device_attribute *attr, | |
1da177e4 LT |
3270 | const char *buf, size_t count) |
3271 | { | |
ee959b00 | 3272 | struct Scsi_Host *shost = class_to_shost(dev); |
1da177e4 LT |
3273 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
3274 | unsigned long lock_flags = 0; | |
3275 | ||
3276 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3277 | ioa_cfg->log_level = simple_strtoul(buf, NULL, 10); | |
3278 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3279 | return strlen(buf); | |
3280 | } | |
3281 | ||
ee959b00 | 3282 | static struct device_attribute ipr_log_level_attr = { |
1da177e4 LT |
3283 | .attr = { |
3284 | .name = "log_level", | |
3285 | .mode = S_IRUGO | S_IWUSR, | |
3286 | }, | |
3287 | .show = ipr_show_log_level, | |
3288 | .store = ipr_store_log_level | |
3289 | }; | |
3290 | ||
3291 | /** | |
3292 | * ipr_store_diagnostics - IOA Diagnostics interface | |
ee959b00 TJ |
3293 | * @dev: device struct |
3294 | * @buf: buffer | |
3295 | * @count: buffer size | |
1da177e4 LT |
3296 | * |
3297 | * This function will reset the adapter and wait a reasonable | |
3298 | * amount of time for any errors that the adapter might log. | |
3299 | * | |
3300 | * Return value: | |
3301 | * count on success / other on failure | |
3302 | **/ | |
ee959b00 TJ |
3303 | static ssize_t ipr_store_diagnostics(struct device *dev, |
3304 | struct device_attribute *attr, | |
1da177e4 LT |
3305 | const char *buf, size_t count) |
3306 | { | |
ee959b00 | 3307 | struct Scsi_Host *shost = class_to_shost(dev); |
1da177e4 LT |
3308 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
3309 | unsigned long lock_flags = 0; | |
3310 | int rc = count; | |
3311 | ||
3312 | if (!capable(CAP_SYS_ADMIN)) | |
3313 | return -EACCES; | |
3314 | ||
1da177e4 | 3315 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); |
970ea294 BK |
3316 | while(ioa_cfg->in_reset_reload) { |
3317 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3318 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
3319 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3320 | } | |
3321 | ||
1da177e4 LT |
3322 | ioa_cfg->errors_logged = 0; |
3323 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NORMAL); | |
3324 | ||
3325 | if (ioa_cfg->in_reset_reload) { | |
3326 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3327 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
3328 | ||
3329 | /* Wait for a second for any errors to be logged */ | |
3330 | msleep(1000); | |
3331 | } else { | |
3332 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3333 | return -EIO; | |
3334 | } | |
3335 | ||
3336 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3337 | if (ioa_cfg->in_reset_reload || ioa_cfg->errors_logged) | |
3338 | rc = -EIO; | |
3339 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3340 | ||
3341 | return rc; | |
3342 | } | |
3343 | ||
ee959b00 | 3344 | static struct device_attribute ipr_diagnostics_attr = { |
1da177e4 LT |
3345 | .attr = { |
3346 | .name = "run_diagnostics", | |
3347 | .mode = S_IWUSR, | |
3348 | }, | |
3349 | .store = ipr_store_diagnostics | |
3350 | }; | |
3351 | ||
f37eb54b BK |
3352 | /** |
3353 | * ipr_show_adapter_state - Show the adapter's state | |
ee959b00 TJ |
3354 | * @class_dev: device struct |
3355 | * @buf: buffer | |
f37eb54b BK |
3356 | * |
3357 | * Return value: | |
3358 | * number of bytes printed to buffer | |
3359 | **/ | |
ee959b00 TJ |
3360 | static ssize_t ipr_show_adapter_state(struct device *dev, |
3361 | struct device_attribute *attr, char *buf) | |
f37eb54b | 3362 | { |
ee959b00 | 3363 | struct Scsi_Host *shost = class_to_shost(dev); |
f37eb54b BK |
3364 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
3365 | unsigned long lock_flags = 0; | |
3366 | int len; | |
3367 | ||
3368 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3369 | if (ioa_cfg->ioa_is_dead) | |
3370 | len = snprintf(buf, PAGE_SIZE, "offline\n"); | |
3371 | else | |
3372 | len = snprintf(buf, PAGE_SIZE, "online\n"); | |
3373 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3374 | return len; | |
3375 | } | |
3376 | ||
3377 | /** | |
3378 | * ipr_store_adapter_state - Change adapter state | |
ee959b00 TJ |
3379 | * @dev: device struct |
3380 | * @buf: buffer | |
3381 | * @count: buffer size | |
f37eb54b BK |
3382 | * |
3383 | * This function will change the adapter's state. | |
3384 | * | |
3385 | * Return value: | |
3386 | * count on success / other on failure | |
3387 | **/ | |
ee959b00 TJ |
3388 | static ssize_t ipr_store_adapter_state(struct device *dev, |
3389 | struct device_attribute *attr, | |
f37eb54b BK |
3390 | const char *buf, size_t count) |
3391 | { | |
ee959b00 | 3392 | struct Scsi_Host *shost = class_to_shost(dev); |
f37eb54b BK |
3393 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
3394 | unsigned long lock_flags; | |
3395 | int result = count; | |
3396 | ||
3397 | if (!capable(CAP_SYS_ADMIN)) | |
3398 | return -EACCES; | |
3399 | ||
3400 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3401 | if (ioa_cfg->ioa_is_dead && !strncmp(buf, "online", 6)) { | |
3402 | ioa_cfg->ioa_is_dead = 0; | |
3403 | ioa_cfg->reset_retries = 0; | |
3404 | ioa_cfg->in_ioa_bringdown = 0; | |
3405 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); | |
3406 | } | |
3407 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3408 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
3409 | ||
3410 | return result; | |
3411 | } | |
3412 | ||
ee959b00 | 3413 | static struct device_attribute ipr_ioa_state_attr = { |
f37eb54b | 3414 | .attr = { |
49dd0961 | 3415 | .name = "online_state", |
f37eb54b BK |
3416 | .mode = S_IRUGO | S_IWUSR, |
3417 | }, | |
3418 | .show = ipr_show_adapter_state, | |
3419 | .store = ipr_store_adapter_state | |
3420 | }; | |
3421 | ||
1da177e4 LT |
3422 | /** |
3423 | * ipr_store_reset_adapter - Reset the adapter | |
ee959b00 TJ |
3424 | * @dev: device struct |
3425 | * @buf: buffer | |
3426 | * @count: buffer size | |
1da177e4 LT |
3427 | * |
3428 | * This function will reset the adapter. | |
3429 | * | |
3430 | * Return value: | |
3431 | * count on success / other on failure | |
3432 | **/ | |
ee959b00 TJ |
3433 | static ssize_t ipr_store_reset_adapter(struct device *dev, |
3434 | struct device_attribute *attr, | |
1da177e4 LT |
3435 | const char *buf, size_t count) |
3436 | { | |
ee959b00 | 3437 | struct Scsi_Host *shost = class_to_shost(dev); |
1da177e4 LT |
3438 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
3439 | unsigned long lock_flags; | |
3440 | int result = count; | |
3441 | ||
3442 | if (!capable(CAP_SYS_ADMIN)) | |
3443 | return -EACCES; | |
3444 | ||
3445 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3446 | if (!ioa_cfg->in_reset_reload) | |
3447 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NORMAL); | |
3448 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3449 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
3450 | ||
3451 | return result; | |
3452 | } | |
3453 | ||
ee959b00 | 3454 | static struct device_attribute ipr_ioa_reset_attr = { |
1da177e4 LT |
3455 | .attr = { |
3456 | .name = "reset_host", | |
3457 | .mode = S_IWUSR, | |
3458 | }, | |
3459 | .store = ipr_store_reset_adapter | |
3460 | }; | |
3461 | ||
3462 | /** | |
3463 | * ipr_alloc_ucode_buffer - Allocates a microcode download buffer | |
3464 | * @buf_len: buffer length | |
3465 | * | |
3466 | * Allocates a DMA'able buffer in chunks and assembles a scatter/gather | |
3467 | * list to use for microcode download | |
3468 | * | |
3469 | * Return value: | |
3470 | * pointer to sglist / NULL on failure | |
3471 | **/ | |
3472 | static struct ipr_sglist *ipr_alloc_ucode_buffer(int buf_len) | |
3473 | { | |
3474 | int sg_size, order, bsize_elem, num_elem, i, j; | |
3475 | struct ipr_sglist *sglist; | |
3476 | struct scatterlist *scatterlist; | |
3477 | struct page *page; | |
3478 | ||
3479 | /* Get the minimum size per scatter/gather element */ | |
3480 | sg_size = buf_len / (IPR_MAX_SGLIST - 1); | |
3481 | ||
3482 | /* Get the actual size per element */ | |
3483 | order = get_order(sg_size); | |
3484 | ||
3485 | /* Determine the actual number of bytes per element */ | |
3486 | bsize_elem = PAGE_SIZE * (1 << order); | |
3487 | ||
3488 | /* Determine the actual number of sg entries needed */ | |
3489 | if (buf_len % bsize_elem) | |
3490 | num_elem = (buf_len / bsize_elem) + 1; | |
3491 | else | |
3492 | num_elem = buf_len / bsize_elem; | |
3493 | ||
3494 | /* Allocate a scatter/gather list for the DMA */ | |
0bc42e35 | 3495 | sglist = kzalloc(sizeof(struct ipr_sglist) + |
1da177e4 LT |
3496 | (sizeof(struct scatterlist) * (num_elem - 1)), |
3497 | GFP_KERNEL); | |
3498 | ||
3499 | if (sglist == NULL) { | |
3500 | ipr_trace; | |
3501 | return NULL; | |
3502 | } | |
3503 | ||
1da177e4 | 3504 | scatterlist = sglist->scatterlist; |
45711f1a | 3505 | sg_init_table(scatterlist, num_elem); |
1da177e4 LT |
3506 | |
3507 | sglist->order = order; | |
3508 | sglist->num_sg = num_elem; | |
3509 | ||
3510 | /* Allocate a bunch of sg elements */ | |
3511 | for (i = 0; i < num_elem; i++) { | |
3512 | page = alloc_pages(GFP_KERNEL, order); | |
3513 | if (!page) { | |
3514 | ipr_trace; | |
3515 | ||
3516 | /* Free up what we already allocated */ | |
3517 | for (j = i - 1; j >= 0; j--) | |
45711f1a | 3518 | __free_pages(sg_page(&scatterlist[j]), order); |
1da177e4 LT |
3519 | kfree(sglist); |
3520 | return NULL; | |
3521 | } | |
3522 | ||
642f1490 | 3523 | sg_set_page(&scatterlist[i], page, 0, 0); |
1da177e4 LT |
3524 | } |
3525 | ||
3526 | return sglist; | |
3527 | } | |
3528 | ||
3529 | /** | |
3530 | * ipr_free_ucode_buffer - Frees a microcode download buffer | |
3531 | * @p_dnld: scatter/gather list pointer | |
3532 | * | |
3533 | * Free a DMA'able ucode download buffer previously allocated with | |
3534 | * ipr_alloc_ucode_buffer | |
3535 | * | |
3536 | * Return value: | |
3537 | * nothing | |
3538 | **/ | |
3539 | static void ipr_free_ucode_buffer(struct ipr_sglist *sglist) | |
3540 | { | |
3541 | int i; | |
3542 | ||
3543 | for (i = 0; i < sglist->num_sg; i++) | |
45711f1a | 3544 | __free_pages(sg_page(&sglist->scatterlist[i]), sglist->order); |
1da177e4 LT |
3545 | |
3546 | kfree(sglist); | |
3547 | } | |
3548 | ||
3549 | /** | |
3550 | * ipr_copy_ucode_buffer - Copy user buffer to kernel buffer | |
3551 | * @sglist: scatter/gather list pointer | |
3552 | * @buffer: buffer pointer | |
3553 | * @len: buffer length | |
3554 | * | |
3555 | * Copy a microcode image from a user buffer into a buffer allocated by | |
3556 | * ipr_alloc_ucode_buffer | |
3557 | * | |
3558 | * Return value: | |
3559 | * 0 on success / other on failure | |
3560 | **/ | |
3561 | static int ipr_copy_ucode_buffer(struct ipr_sglist *sglist, | |
3562 | u8 *buffer, u32 len) | |
3563 | { | |
3564 | int bsize_elem, i, result = 0; | |
3565 | struct scatterlist *scatterlist; | |
3566 | void *kaddr; | |
3567 | ||
3568 | /* Determine the actual number of bytes per element */ | |
3569 | bsize_elem = PAGE_SIZE * (1 << sglist->order); | |
3570 | ||
3571 | scatterlist = sglist->scatterlist; | |
3572 | ||
3573 | for (i = 0; i < (len / bsize_elem); i++, buffer += bsize_elem) { | |
45711f1a JA |
3574 | struct page *page = sg_page(&scatterlist[i]); |
3575 | ||
3576 | kaddr = kmap(page); | |
1da177e4 | 3577 | memcpy(kaddr, buffer, bsize_elem); |
45711f1a | 3578 | kunmap(page); |
1da177e4 LT |
3579 | |
3580 | scatterlist[i].length = bsize_elem; | |
3581 | ||
3582 | if (result != 0) { | |
3583 | ipr_trace; | |
3584 | return result; | |
3585 | } | |
3586 | } | |
3587 | ||
3588 | if (len % bsize_elem) { | |
45711f1a JA |
3589 | struct page *page = sg_page(&scatterlist[i]); |
3590 | ||
3591 | kaddr = kmap(page); | |
1da177e4 | 3592 | memcpy(kaddr, buffer, len % bsize_elem); |
45711f1a | 3593 | kunmap(page); |
1da177e4 LT |
3594 | |
3595 | scatterlist[i].length = len % bsize_elem; | |
3596 | } | |
3597 | ||
3598 | sglist->buffer_len = len; | |
3599 | return result; | |
3600 | } | |
3601 | ||
a32c055f WB |
3602 | /** |
3603 | * ipr_build_ucode_ioadl64 - Build a microcode download IOADL | |
3604 | * @ipr_cmd: ipr command struct | |
3605 | * @sglist: scatter/gather list | |
3606 | * | |
3607 | * Builds a microcode download IOA data list (IOADL). | |
3608 | * | |
3609 | **/ | |
3610 | static void ipr_build_ucode_ioadl64(struct ipr_cmnd *ipr_cmd, | |
3611 | struct ipr_sglist *sglist) | |
3612 | { | |
3613 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
3614 | struct ipr_ioadl64_desc *ioadl64 = ipr_cmd->i.ioadl64; | |
3615 | struct scatterlist *scatterlist = sglist->scatterlist; | |
3616 | int i; | |
3617 | ||
3618 | ipr_cmd->dma_use_sg = sglist->num_dma_sg; | |
3619 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ; | |
3620 | ioarcb->data_transfer_length = cpu_to_be32(sglist->buffer_len); | |
3621 | ||
3622 | ioarcb->ioadl_len = | |
3623 | cpu_to_be32(sizeof(struct ipr_ioadl64_desc) * ipr_cmd->dma_use_sg); | |
3624 | for (i = 0; i < ipr_cmd->dma_use_sg; i++) { | |
3625 | ioadl64[i].flags = cpu_to_be32(IPR_IOADL_FLAGS_WRITE); | |
3626 | ioadl64[i].data_len = cpu_to_be32(sg_dma_len(&scatterlist[i])); | |
3627 | ioadl64[i].address = cpu_to_be64(sg_dma_address(&scatterlist[i])); | |
3628 | } | |
3629 | ||
3630 | ioadl64[i-1].flags |= cpu_to_be32(IPR_IOADL_FLAGS_LAST); | |
3631 | } | |
3632 | ||
1da177e4 | 3633 | /** |
12baa420 | 3634 | * ipr_build_ucode_ioadl - Build a microcode download IOADL |
1da177e4 LT |
3635 | * @ipr_cmd: ipr command struct |
3636 | * @sglist: scatter/gather list | |
1da177e4 | 3637 | * |
12baa420 | 3638 | * Builds a microcode download IOA data list (IOADL). |
1da177e4 | 3639 | * |
1da177e4 | 3640 | **/ |
12baa420 BK |
3641 | static void ipr_build_ucode_ioadl(struct ipr_cmnd *ipr_cmd, |
3642 | struct ipr_sglist *sglist) | |
1da177e4 | 3643 | { |
1da177e4 | 3644 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; |
a32c055f | 3645 | struct ipr_ioadl_desc *ioadl = ipr_cmd->i.ioadl; |
1da177e4 LT |
3646 | struct scatterlist *scatterlist = sglist->scatterlist; |
3647 | int i; | |
3648 | ||
12baa420 | 3649 | ipr_cmd->dma_use_sg = sglist->num_dma_sg; |
1da177e4 | 3650 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ; |
a32c055f WB |
3651 | ioarcb->data_transfer_length = cpu_to_be32(sglist->buffer_len); |
3652 | ||
3653 | ioarcb->ioadl_len = | |
1da177e4 LT |
3654 | cpu_to_be32(sizeof(struct ipr_ioadl_desc) * ipr_cmd->dma_use_sg); |
3655 | ||
3656 | for (i = 0; i < ipr_cmd->dma_use_sg; i++) { | |
3657 | ioadl[i].flags_and_data_len = | |
3658 | cpu_to_be32(IPR_IOADL_FLAGS_WRITE | sg_dma_len(&scatterlist[i])); | |
3659 | ioadl[i].address = | |
3660 | cpu_to_be32(sg_dma_address(&scatterlist[i])); | |
3661 | } | |
3662 | ||
12baa420 BK |
3663 | ioadl[i-1].flags_and_data_len |= |
3664 | cpu_to_be32(IPR_IOADL_FLAGS_LAST); | |
3665 | } | |
3666 | ||
3667 | /** | |
3668 | * ipr_update_ioa_ucode - Update IOA's microcode | |
3669 | * @ioa_cfg: ioa config struct | |
3670 | * @sglist: scatter/gather list | |
3671 | * | |
3672 | * Initiate an adapter reset to update the IOA's microcode | |
3673 | * | |
3674 | * Return value: | |
3675 | * 0 on success / -EIO on failure | |
3676 | **/ | |
3677 | static int ipr_update_ioa_ucode(struct ipr_ioa_cfg *ioa_cfg, | |
3678 | struct ipr_sglist *sglist) | |
3679 | { | |
3680 | unsigned long lock_flags; | |
3681 | ||
3682 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
970ea294 BK |
3683 | while(ioa_cfg->in_reset_reload) { |
3684 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3685 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
3686 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3687 | } | |
12baa420 BK |
3688 | |
3689 | if (ioa_cfg->ucode_sglist) { | |
3690 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3691 | dev_err(&ioa_cfg->pdev->dev, | |
3692 | "Microcode download already in progress\n"); | |
3693 | return -EIO; | |
1da177e4 | 3694 | } |
12baa420 BK |
3695 | |
3696 | sglist->num_dma_sg = pci_map_sg(ioa_cfg->pdev, sglist->scatterlist, | |
3697 | sglist->num_sg, DMA_TO_DEVICE); | |
3698 | ||
3699 | if (!sglist->num_dma_sg) { | |
3700 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3701 | dev_err(&ioa_cfg->pdev->dev, | |
3702 | "Failed to map microcode download buffer!\n"); | |
1da177e4 LT |
3703 | return -EIO; |
3704 | } | |
3705 | ||
12baa420 BK |
3706 | ioa_cfg->ucode_sglist = sglist; |
3707 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NORMAL); | |
3708 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3709 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
3710 | ||
3711 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3712 | ioa_cfg->ucode_sglist = NULL; | |
3713 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
1da177e4 LT |
3714 | return 0; |
3715 | } | |
3716 | ||
3717 | /** | |
3718 | * ipr_store_update_fw - Update the firmware on the adapter | |
ee959b00 TJ |
3719 | * @class_dev: device struct |
3720 | * @buf: buffer | |
3721 | * @count: buffer size | |
1da177e4 LT |
3722 | * |
3723 | * This function will update the firmware on the adapter. | |
3724 | * | |
3725 | * Return value: | |
3726 | * count on success / other on failure | |
3727 | **/ | |
ee959b00 TJ |
3728 | static ssize_t ipr_store_update_fw(struct device *dev, |
3729 | struct device_attribute *attr, | |
3730 | const char *buf, size_t count) | |
1da177e4 | 3731 | { |
ee959b00 | 3732 | struct Scsi_Host *shost = class_to_shost(dev); |
1da177e4 LT |
3733 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; |
3734 | struct ipr_ucode_image_header *image_hdr; | |
3735 | const struct firmware *fw_entry; | |
3736 | struct ipr_sglist *sglist; | |
1da177e4 LT |
3737 | char fname[100]; |
3738 | char *src; | |
3739 | int len, result, dnld_size; | |
3740 | ||
3741 | if (!capable(CAP_SYS_ADMIN)) | |
3742 | return -EACCES; | |
3743 | ||
3744 | len = snprintf(fname, 99, "%s", buf); | |
3745 | fname[len-1] = '\0'; | |
3746 | ||
3747 | if(request_firmware(&fw_entry, fname, &ioa_cfg->pdev->dev)) { | |
3748 | dev_err(&ioa_cfg->pdev->dev, "Firmware file %s not found\n", fname); | |
3749 | return -EIO; | |
3750 | } | |
3751 | ||
3752 | image_hdr = (struct ipr_ucode_image_header *)fw_entry->data; | |
3753 | ||
1da177e4 LT |
3754 | src = (u8 *)image_hdr + be32_to_cpu(image_hdr->header_length); |
3755 | dnld_size = fw_entry->size - be32_to_cpu(image_hdr->header_length); | |
3756 | sglist = ipr_alloc_ucode_buffer(dnld_size); | |
3757 | ||
3758 | if (!sglist) { | |
3759 | dev_err(&ioa_cfg->pdev->dev, "Microcode buffer allocation failed\n"); | |
3760 | release_firmware(fw_entry); | |
3761 | return -ENOMEM; | |
3762 | } | |
3763 | ||
3764 | result = ipr_copy_ucode_buffer(sglist, src, dnld_size); | |
3765 | ||
3766 | if (result) { | |
3767 | dev_err(&ioa_cfg->pdev->dev, | |
3768 | "Microcode buffer copy to DMA buffer failed\n"); | |
12baa420 | 3769 | goto out; |
1da177e4 LT |
3770 | } |
3771 | ||
14ed9cc7 WB |
3772 | ipr_info("Updating microcode, please be patient. This may take up to 30 minutes.\n"); |
3773 | ||
12baa420 | 3774 | result = ipr_update_ioa_ucode(ioa_cfg, sglist); |
1da177e4 | 3775 | |
12baa420 BK |
3776 | if (!result) |
3777 | result = count; | |
3778 | out: | |
1da177e4 LT |
3779 | ipr_free_ucode_buffer(sglist); |
3780 | release_firmware(fw_entry); | |
12baa420 | 3781 | return result; |
1da177e4 LT |
3782 | } |
3783 | ||
ee959b00 | 3784 | static struct device_attribute ipr_update_fw_attr = { |
1da177e4 LT |
3785 | .attr = { |
3786 | .name = "update_fw", | |
3787 | .mode = S_IWUSR, | |
3788 | }, | |
3789 | .store = ipr_store_update_fw | |
3790 | }; | |
3791 | ||
75576bb9 WB |
3792 | /** |
3793 | * ipr_show_fw_type - Show the adapter's firmware type. | |
3794 | * @dev: class device struct | |
3795 | * @buf: buffer | |
3796 | * | |
3797 | * Return value: | |
3798 | * number of bytes printed to buffer | |
3799 | **/ | |
3800 | static ssize_t ipr_show_fw_type(struct device *dev, | |
3801 | struct device_attribute *attr, char *buf) | |
3802 | { | |
3803 | struct Scsi_Host *shost = class_to_shost(dev); | |
3804 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; | |
3805 | unsigned long lock_flags = 0; | |
3806 | int len; | |
3807 | ||
3808 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3809 | len = snprintf(buf, PAGE_SIZE, "%d\n", ioa_cfg->sis64); | |
3810 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3811 | return len; | |
3812 | } | |
3813 | ||
3814 | static struct device_attribute ipr_ioa_fw_type_attr = { | |
3815 | .attr = { | |
3816 | .name = "fw_type", | |
3817 | .mode = S_IRUGO, | |
3818 | }, | |
3819 | .show = ipr_show_fw_type | |
3820 | }; | |
3821 | ||
ee959b00 | 3822 | static struct device_attribute *ipr_ioa_attrs[] = { |
1da177e4 LT |
3823 | &ipr_fw_version_attr, |
3824 | &ipr_log_level_attr, | |
3825 | &ipr_diagnostics_attr, | |
f37eb54b | 3826 | &ipr_ioa_state_attr, |
1da177e4 LT |
3827 | &ipr_ioa_reset_attr, |
3828 | &ipr_update_fw_attr, | |
75576bb9 | 3829 | &ipr_ioa_fw_type_attr, |
1da177e4 LT |
3830 | NULL, |
3831 | }; | |
3832 | ||
3833 | #ifdef CONFIG_SCSI_IPR_DUMP | |
3834 | /** | |
3835 | * ipr_read_dump - Dump the adapter | |
2c3c8bea | 3836 | * @filp: open sysfs file |
1da177e4 | 3837 | * @kobj: kobject struct |
91a69029 | 3838 | * @bin_attr: bin_attribute struct |
1da177e4 LT |
3839 | * @buf: buffer |
3840 | * @off: offset | |
3841 | * @count: buffer size | |
3842 | * | |
3843 | * Return value: | |
3844 | * number of bytes printed to buffer | |
3845 | **/ | |
2c3c8bea | 3846 | static ssize_t ipr_read_dump(struct file *filp, struct kobject *kobj, |
91a69029 ZR |
3847 | struct bin_attribute *bin_attr, |
3848 | char *buf, loff_t off, size_t count) | |
1da177e4 | 3849 | { |
ee959b00 | 3850 | struct device *cdev = container_of(kobj, struct device, kobj); |
1da177e4 LT |
3851 | struct Scsi_Host *shost = class_to_shost(cdev); |
3852 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; | |
3853 | struct ipr_dump *dump; | |
3854 | unsigned long lock_flags = 0; | |
3855 | char *src; | |
4d4dd706 | 3856 | int len, sdt_end; |
1da177e4 LT |
3857 | size_t rc = count; |
3858 | ||
3859 | if (!capable(CAP_SYS_ADMIN)) | |
3860 | return -EACCES; | |
3861 | ||
3862 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3863 | dump = ioa_cfg->dump; | |
3864 | ||
3865 | if (ioa_cfg->sdt_state != DUMP_OBTAINED || !dump) { | |
3866 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3867 | return 0; | |
3868 | } | |
3869 | kref_get(&dump->kref); | |
3870 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3871 | ||
3872 | if (off > dump->driver_dump.hdr.len) { | |
3873 | kref_put(&dump->kref, ipr_release_dump); | |
3874 | return 0; | |
3875 | } | |
3876 | ||
3877 | if (off + count > dump->driver_dump.hdr.len) { | |
3878 | count = dump->driver_dump.hdr.len - off; | |
3879 | rc = count; | |
3880 | } | |
3881 | ||
3882 | if (count && off < sizeof(dump->driver_dump)) { | |
3883 | if (off + count > sizeof(dump->driver_dump)) | |
3884 | len = sizeof(dump->driver_dump) - off; | |
3885 | else | |
3886 | len = count; | |
3887 | src = (u8 *)&dump->driver_dump + off; | |
3888 | memcpy(buf, src, len); | |
3889 | buf += len; | |
3890 | off += len; | |
3891 | count -= len; | |
3892 | } | |
3893 | ||
3894 | off -= sizeof(dump->driver_dump); | |
3895 | ||
4d4dd706 KSS |
3896 | if (ioa_cfg->sis64) |
3897 | sdt_end = offsetof(struct ipr_ioa_dump, sdt.entry) + | |
3898 | (be32_to_cpu(dump->ioa_dump.sdt.hdr.num_entries_used) * | |
3899 | sizeof(struct ipr_sdt_entry)); | |
3900 | else | |
3901 | sdt_end = offsetof(struct ipr_ioa_dump, sdt.entry) + | |
3902 | (IPR_FMT2_NUM_SDT_ENTRIES * sizeof(struct ipr_sdt_entry)); | |
3903 | ||
3904 | if (count && off < sdt_end) { | |
3905 | if (off + count > sdt_end) | |
3906 | len = sdt_end - off; | |
1da177e4 LT |
3907 | else |
3908 | len = count; | |
3909 | src = (u8 *)&dump->ioa_dump + off; | |
3910 | memcpy(buf, src, len); | |
3911 | buf += len; | |
3912 | off += len; | |
3913 | count -= len; | |
3914 | } | |
3915 | ||
4d4dd706 | 3916 | off -= sdt_end; |
1da177e4 LT |
3917 | |
3918 | while (count) { | |
3919 | if ((off & PAGE_MASK) != ((off + count) & PAGE_MASK)) | |
3920 | len = PAGE_ALIGN(off) - off; | |
3921 | else | |
3922 | len = count; | |
3923 | src = (u8 *)dump->ioa_dump.ioa_data[(off & PAGE_MASK) >> PAGE_SHIFT]; | |
3924 | src += off & ~PAGE_MASK; | |
3925 | memcpy(buf, src, len); | |
3926 | buf += len; | |
3927 | off += len; | |
3928 | count -= len; | |
3929 | } | |
3930 | ||
3931 | kref_put(&dump->kref, ipr_release_dump); | |
3932 | return rc; | |
3933 | } | |
3934 | ||
3935 | /** | |
3936 | * ipr_alloc_dump - Prepare for adapter dump | |
3937 | * @ioa_cfg: ioa config struct | |
3938 | * | |
3939 | * Return value: | |
3940 | * 0 on success / other on failure | |
3941 | **/ | |
3942 | static int ipr_alloc_dump(struct ipr_ioa_cfg *ioa_cfg) | |
3943 | { | |
3944 | struct ipr_dump *dump; | |
4d4dd706 | 3945 | __be32 **ioa_data; |
1da177e4 LT |
3946 | unsigned long lock_flags = 0; |
3947 | ||
0bc42e35 | 3948 | dump = kzalloc(sizeof(struct ipr_dump), GFP_KERNEL); |
1da177e4 LT |
3949 | |
3950 | if (!dump) { | |
3951 | ipr_err("Dump memory allocation failed\n"); | |
3952 | return -ENOMEM; | |
3953 | } | |
3954 | ||
4d4dd706 KSS |
3955 | if (ioa_cfg->sis64) |
3956 | ioa_data = vmalloc(IPR_FMT3_MAX_NUM_DUMP_PAGES * sizeof(__be32 *)); | |
3957 | else | |
3958 | ioa_data = vmalloc(IPR_FMT2_MAX_NUM_DUMP_PAGES * sizeof(__be32 *)); | |
3959 | ||
3960 | if (!ioa_data) { | |
3961 | ipr_err("Dump memory allocation failed\n"); | |
3962 | kfree(dump); | |
3963 | return -ENOMEM; | |
3964 | } | |
3965 | ||
3966 | dump->ioa_dump.ioa_data = ioa_data; | |
3967 | ||
1da177e4 LT |
3968 | kref_init(&dump->kref); |
3969 | dump->ioa_cfg = ioa_cfg; | |
3970 | ||
3971 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
3972 | ||
3973 | if (INACTIVE != ioa_cfg->sdt_state) { | |
3974 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4d4dd706 | 3975 | vfree(dump->ioa_dump.ioa_data); |
1da177e4 LT |
3976 | kfree(dump); |
3977 | return 0; | |
3978 | } | |
3979 | ||
3980 | ioa_cfg->dump = dump; | |
3981 | ioa_cfg->sdt_state = WAIT_FOR_DUMP; | |
3982 | if (ioa_cfg->ioa_is_dead && !ioa_cfg->dump_taken) { | |
3983 | ioa_cfg->dump_taken = 1; | |
3984 | schedule_work(&ioa_cfg->work_q); | |
3985 | } | |
3986 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
3987 | ||
1da177e4 LT |
3988 | return 0; |
3989 | } | |
3990 | ||
3991 | /** | |
3992 | * ipr_free_dump - Free adapter dump memory | |
3993 | * @ioa_cfg: ioa config struct | |
3994 | * | |
3995 | * Return value: | |
3996 | * 0 on success / other on failure | |
3997 | **/ | |
3998 | static int ipr_free_dump(struct ipr_ioa_cfg *ioa_cfg) | |
3999 | { | |
4000 | struct ipr_dump *dump; | |
4001 | unsigned long lock_flags = 0; | |
4002 | ||
4003 | ENTER; | |
4004 | ||
4005 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4006 | dump = ioa_cfg->dump; | |
4007 | if (!dump) { | |
4008 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4009 | return 0; | |
4010 | } | |
4011 | ||
4012 | ioa_cfg->dump = NULL; | |
4013 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4014 | ||
4015 | kref_put(&dump->kref, ipr_release_dump); | |
4016 | ||
4017 | LEAVE; | |
4018 | return 0; | |
4019 | } | |
4020 | ||
4021 | /** | |
4022 | * ipr_write_dump - Setup dump state of adapter | |
2c3c8bea | 4023 | * @filp: open sysfs file |
1da177e4 | 4024 | * @kobj: kobject struct |
91a69029 | 4025 | * @bin_attr: bin_attribute struct |
1da177e4 LT |
4026 | * @buf: buffer |
4027 | * @off: offset | |
4028 | * @count: buffer size | |
4029 | * | |
4030 | * Return value: | |
4031 | * number of bytes printed to buffer | |
4032 | **/ | |
2c3c8bea | 4033 | static ssize_t ipr_write_dump(struct file *filp, struct kobject *kobj, |
91a69029 ZR |
4034 | struct bin_attribute *bin_attr, |
4035 | char *buf, loff_t off, size_t count) | |
1da177e4 | 4036 | { |
ee959b00 | 4037 | struct device *cdev = container_of(kobj, struct device, kobj); |
1da177e4 LT |
4038 | struct Scsi_Host *shost = class_to_shost(cdev); |
4039 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; | |
4040 | int rc; | |
4041 | ||
4042 | if (!capable(CAP_SYS_ADMIN)) | |
4043 | return -EACCES; | |
4044 | ||
4045 | if (buf[0] == '1') | |
4046 | rc = ipr_alloc_dump(ioa_cfg); | |
4047 | else if (buf[0] == '0') | |
4048 | rc = ipr_free_dump(ioa_cfg); | |
4049 | else | |
4050 | return -EINVAL; | |
4051 | ||
4052 | if (rc) | |
4053 | return rc; | |
4054 | else | |
4055 | return count; | |
4056 | } | |
4057 | ||
4058 | static struct bin_attribute ipr_dump_attr = { | |
4059 | .attr = { | |
4060 | .name = "dump", | |
4061 | .mode = S_IRUSR | S_IWUSR, | |
4062 | }, | |
4063 | .size = 0, | |
4064 | .read = ipr_read_dump, | |
4065 | .write = ipr_write_dump | |
4066 | }; | |
4067 | #else | |
4068 | static int ipr_free_dump(struct ipr_ioa_cfg *ioa_cfg) { return 0; }; | |
4069 | #endif | |
4070 | ||
4071 | /** | |
4072 | * ipr_change_queue_depth - Change the device's queue depth | |
4073 | * @sdev: scsi device struct | |
4074 | * @qdepth: depth to set | |
e881a172 | 4075 | * @reason: calling context |
1da177e4 LT |
4076 | * |
4077 | * Return value: | |
4078 | * actual depth set | |
4079 | **/ | |
e881a172 MC |
4080 | static int ipr_change_queue_depth(struct scsi_device *sdev, int qdepth, |
4081 | int reason) | |
1da177e4 | 4082 | { |
35a39691 BK |
4083 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)sdev->host->hostdata; |
4084 | struct ipr_resource_entry *res; | |
4085 | unsigned long lock_flags = 0; | |
4086 | ||
e881a172 MC |
4087 | if (reason != SCSI_QDEPTH_DEFAULT) |
4088 | return -EOPNOTSUPP; | |
4089 | ||
35a39691 BK |
4090 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); |
4091 | res = (struct ipr_resource_entry *)sdev->hostdata; | |
4092 | ||
4093 | if (res && ipr_is_gata(res) && qdepth > IPR_MAX_CMD_PER_ATA_LUN) | |
4094 | qdepth = IPR_MAX_CMD_PER_ATA_LUN; | |
4095 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4096 | ||
1da177e4 LT |
4097 | scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth); |
4098 | return sdev->queue_depth; | |
4099 | } | |
4100 | ||
4101 | /** | |
4102 | * ipr_change_queue_type - Change the device's queue type | |
4103 | * @dsev: scsi device struct | |
4104 | * @tag_type: type of tags to use | |
4105 | * | |
4106 | * Return value: | |
4107 | * actual queue type set | |
4108 | **/ | |
4109 | static int ipr_change_queue_type(struct scsi_device *sdev, int tag_type) | |
4110 | { | |
4111 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)sdev->host->hostdata; | |
4112 | struct ipr_resource_entry *res; | |
4113 | unsigned long lock_flags = 0; | |
4114 | ||
4115 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4116 | res = (struct ipr_resource_entry *)sdev->hostdata; | |
4117 | ||
4118 | if (res) { | |
4119 | if (ipr_is_gscsi(res) && sdev->tagged_supported) { | |
4120 | /* | |
4121 | * We don't bother quiescing the device here since the | |
4122 | * adapter firmware does it for us. | |
4123 | */ | |
4124 | scsi_set_tag_type(sdev, tag_type); | |
4125 | ||
4126 | if (tag_type) | |
4127 | scsi_activate_tcq(sdev, sdev->queue_depth); | |
4128 | else | |
4129 | scsi_deactivate_tcq(sdev, sdev->queue_depth); | |
4130 | } else | |
4131 | tag_type = 0; | |
4132 | } else | |
4133 | tag_type = 0; | |
4134 | ||
4135 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4136 | return tag_type; | |
4137 | } | |
4138 | ||
4139 | /** | |
4140 | * ipr_show_adapter_handle - Show the adapter's resource handle for this device | |
4141 | * @dev: device struct | |
46d74563 | 4142 | * @attr: device attribute structure |
1da177e4 LT |
4143 | * @buf: buffer |
4144 | * | |
4145 | * Return value: | |
4146 | * number of bytes printed to buffer | |
4147 | **/ | |
10523b3b | 4148 | static ssize_t ipr_show_adapter_handle(struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 LT |
4149 | { |
4150 | struct scsi_device *sdev = to_scsi_device(dev); | |
4151 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)sdev->host->hostdata; | |
4152 | struct ipr_resource_entry *res; | |
4153 | unsigned long lock_flags = 0; | |
4154 | ssize_t len = -ENXIO; | |
4155 | ||
4156 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4157 | res = (struct ipr_resource_entry *)sdev->hostdata; | |
4158 | if (res) | |
3e7ebdfa | 4159 | len = snprintf(buf, PAGE_SIZE, "%08X\n", res->res_handle); |
1da177e4 LT |
4160 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
4161 | return len; | |
4162 | } | |
4163 | ||
4164 | static struct device_attribute ipr_adapter_handle_attr = { | |
4165 | .attr = { | |
4166 | .name = "adapter_handle", | |
4167 | .mode = S_IRUSR, | |
4168 | }, | |
4169 | .show = ipr_show_adapter_handle | |
4170 | }; | |
4171 | ||
3e7ebdfa | 4172 | /** |
5adcbeb3 WB |
4173 | * ipr_show_resource_path - Show the resource path or the resource address for |
4174 | * this device. | |
3e7ebdfa | 4175 | * @dev: device struct |
46d74563 | 4176 | * @attr: device attribute structure |
3e7ebdfa WB |
4177 | * @buf: buffer |
4178 | * | |
4179 | * Return value: | |
4180 | * number of bytes printed to buffer | |
4181 | **/ | |
4182 | static ssize_t ipr_show_resource_path(struct device *dev, struct device_attribute *attr, char *buf) | |
4183 | { | |
4184 | struct scsi_device *sdev = to_scsi_device(dev); | |
4185 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)sdev->host->hostdata; | |
4186 | struct ipr_resource_entry *res; | |
4187 | unsigned long lock_flags = 0; | |
4188 | ssize_t len = -ENXIO; | |
4189 | char buffer[IPR_MAX_RES_PATH_LENGTH]; | |
4190 | ||
4191 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4192 | res = (struct ipr_resource_entry *)sdev->hostdata; | |
5adcbeb3 | 4193 | if (res && ioa_cfg->sis64) |
3e7ebdfa | 4194 | len = snprintf(buf, PAGE_SIZE, "%s\n", |
5adcbeb3 WB |
4195 | ipr_format_res_path(res->res_path, buffer, |
4196 | sizeof(buffer))); | |
4197 | else if (res) | |
4198 | len = snprintf(buf, PAGE_SIZE, "%d:%d:%d:%d\n", ioa_cfg->host->host_no, | |
4199 | res->bus, res->target, res->lun); | |
4200 | ||
3e7ebdfa WB |
4201 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
4202 | return len; | |
4203 | } | |
4204 | ||
4205 | static struct device_attribute ipr_resource_path_attr = { | |
4206 | .attr = { | |
4207 | .name = "resource_path", | |
75576bb9 | 4208 | .mode = S_IRUGO, |
3e7ebdfa WB |
4209 | }, |
4210 | .show = ipr_show_resource_path | |
4211 | }; | |
4212 | ||
46d74563 WB |
4213 | /** |
4214 | * ipr_show_device_id - Show the device_id for this device. | |
4215 | * @dev: device struct | |
4216 | * @attr: device attribute structure | |
4217 | * @buf: buffer | |
4218 | * | |
4219 | * Return value: | |
4220 | * number of bytes printed to buffer | |
4221 | **/ | |
4222 | static ssize_t ipr_show_device_id(struct device *dev, struct device_attribute *attr, char *buf) | |
4223 | { | |
4224 | struct scsi_device *sdev = to_scsi_device(dev); | |
4225 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)sdev->host->hostdata; | |
4226 | struct ipr_resource_entry *res; | |
4227 | unsigned long lock_flags = 0; | |
4228 | ssize_t len = -ENXIO; | |
4229 | ||
4230 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4231 | res = (struct ipr_resource_entry *)sdev->hostdata; | |
4232 | if (res && ioa_cfg->sis64) | |
4233 | len = snprintf(buf, PAGE_SIZE, "0x%llx\n", res->dev_id); | |
4234 | else if (res) | |
4235 | len = snprintf(buf, PAGE_SIZE, "0x%llx\n", res->lun_wwn); | |
4236 | ||
4237 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4238 | return len; | |
4239 | } | |
4240 | ||
4241 | static struct device_attribute ipr_device_id_attr = { | |
4242 | .attr = { | |
4243 | .name = "device_id", | |
4244 | .mode = S_IRUGO, | |
4245 | }, | |
4246 | .show = ipr_show_device_id | |
4247 | }; | |
4248 | ||
75576bb9 WB |
4249 | /** |
4250 | * ipr_show_resource_type - Show the resource type for this device. | |
4251 | * @dev: device struct | |
46d74563 | 4252 | * @attr: device attribute structure |
75576bb9 WB |
4253 | * @buf: buffer |
4254 | * | |
4255 | * Return value: | |
4256 | * number of bytes printed to buffer | |
4257 | **/ | |
4258 | static ssize_t ipr_show_resource_type(struct device *dev, struct device_attribute *attr, char *buf) | |
4259 | { | |
4260 | struct scsi_device *sdev = to_scsi_device(dev); | |
4261 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)sdev->host->hostdata; | |
4262 | struct ipr_resource_entry *res; | |
4263 | unsigned long lock_flags = 0; | |
4264 | ssize_t len = -ENXIO; | |
4265 | ||
4266 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4267 | res = (struct ipr_resource_entry *)sdev->hostdata; | |
4268 | ||
4269 | if (res) | |
4270 | len = snprintf(buf, PAGE_SIZE, "%x\n", res->type); | |
4271 | ||
4272 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4273 | return len; | |
4274 | } | |
4275 | ||
4276 | static struct device_attribute ipr_resource_type_attr = { | |
4277 | .attr = { | |
4278 | .name = "resource_type", | |
4279 | .mode = S_IRUGO, | |
4280 | }, | |
4281 | .show = ipr_show_resource_type | |
4282 | }; | |
4283 | ||
1da177e4 LT |
4284 | static struct device_attribute *ipr_dev_attrs[] = { |
4285 | &ipr_adapter_handle_attr, | |
3e7ebdfa | 4286 | &ipr_resource_path_attr, |
46d74563 | 4287 | &ipr_device_id_attr, |
75576bb9 | 4288 | &ipr_resource_type_attr, |
1da177e4 LT |
4289 | NULL, |
4290 | }; | |
4291 | ||
4292 | /** | |
4293 | * ipr_biosparam - Return the HSC mapping | |
4294 | * @sdev: scsi device struct | |
4295 | * @block_device: block device pointer | |
4296 | * @capacity: capacity of the device | |
4297 | * @parm: Array containing returned HSC values. | |
4298 | * | |
4299 | * This function generates the HSC parms that fdisk uses. | |
4300 | * We want to make sure we return something that places partitions | |
4301 | * on 4k boundaries for best performance with the IOA. | |
4302 | * | |
4303 | * Return value: | |
4304 | * 0 on success | |
4305 | **/ | |
4306 | static int ipr_biosparam(struct scsi_device *sdev, | |
4307 | struct block_device *block_device, | |
4308 | sector_t capacity, int *parm) | |
4309 | { | |
4310 | int heads, sectors; | |
4311 | sector_t cylinders; | |
4312 | ||
4313 | heads = 128; | |
4314 | sectors = 32; | |
4315 | ||
4316 | cylinders = capacity; | |
4317 | sector_div(cylinders, (128 * 32)); | |
4318 | ||
4319 | /* return result */ | |
4320 | parm[0] = heads; | |
4321 | parm[1] = sectors; | |
4322 | parm[2] = cylinders; | |
4323 | ||
4324 | return 0; | |
4325 | } | |
4326 | ||
35a39691 BK |
4327 | /** |
4328 | * ipr_find_starget - Find target based on bus/target. | |
4329 | * @starget: scsi target struct | |
4330 | * | |
4331 | * Return value: | |
4332 | * resource entry pointer if found / NULL if not found | |
4333 | **/ | |
4334 | static struct ipr_resource_entry *ipr_find_starget(struct scsi_target *starget) | |
4335 | { | |
4336 | struct Scsi_Host *shost = dev_to_shost(&starget->dev); | |
4337 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *) shost->hostdata; | |
4338 | struct ipr_resource_entry *res; | |
4339 | ||
4340 | list_for_each_entry(res, &ioa_cfg->used_res_q, queue) { | |
3e7ebdfa WB |
4341 | if ((res->bus == starget->channel) && |
4342 | (res->target == starget->id) && | |
4343 | (res->lun == 0)) { | |
35a39691 BK |
4344 | return res; |
4345 | } | |
4346 | } | |
4347 | ||
4348 | return NULL; | |
4349 | } | |
4350 | ||
4351 | static struct ata_port_info sata_port_info; | |
4352 | ||
4353 | /** | |
4354 | * ipr_target_alloc - Prepare for commands to a SCSI target | |
4355 | * @starget: scsi target struct | |
4356 | * | |
4357 | * If the device is a SATA device, this function allocates an | |
4358 | * ATA port with libata, else it does nothing. | |
4359 | * | |
4360 | * Return value: | |
4361 | * 0 on success / non-0 on failure | |
4362 | **/ | |
4363 | static int ipr_target_alloc(struct scsi_target *starget) | |
4364 | { | |
4365 | struct Scsi_Host *shost = dev_to_shost(&starget->dev); | |
4366 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *) shost->hostdata; | |
4367 | struct ipr_sata_port *sata_port; | |
4368 | struct ata_port *ap; | |
4369 | struct ipr_resource_entry *res; | |
4370 | unsigned long lock_flags; | |
4371 | ||
4372 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4373 | res = ipr_find_starget(starget); | |
4374 | starget->hostdata = NULL; | |
4375 | ||
4376 | if (res && ipr_is_gata(res)) { | |
4377 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4378 | sata_port = kzalloc(sizeof(*sata_port), GFP_KERNEL); | |
4379 | if (!sata_port) | |
4380 | return -ENOMEM; | |
4381 | ||
4382 | ap = ata_sas_port_alloc(&ioa_cfg->ata_host, &sata_port_info, shost); | |
4383 | if (ap) { | |
4384 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4385 | sata_port->ioa_cfg = ioa_cfg; | |
4386 | sata_port->ap = ap; | |
4387 | sata_port->res = res; | |
4388 | ||
4389 | res->sata_port = sata_port; | |
4390 | ap->private_data = sata_port; | |
4391 | starget->hostdata = sata_port; | |
4392 | } else { | |
4393 | kfree(sata_port); | |
4394 | return -ENOMEM; | |
4395 | } | |
4396 | } | |
4397 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4398 | ||
4399 | return 0; | |
4400 | } | |
4401 | ||
4402 | /** | |
4403 | * ipr_target_destroy - Destroy a SCSI target | |
4404 | * @starget: scsi target struct | |
4405 | * | |
4406 | * If the device was a SATA device, this function frees the libata | |
4407 | * ATA port, else it does nothing. | |
4408 | * | |
4409 | **/ | |
4410 | static void ipr_target_destroy(struct scsi_target *starget) | |
4411 | { | |
4412 | struct ipr_sata_port *sata_port = starget->hostdata; | |
3e7ebdfa WB |
4413 | struct Scsi_Host *shost = dev_to_shost(&starget->dev); |
4414 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *) shost->hostdata; | |
4415 | ||
4416 | if (ioa_cfg->sis64) { | |
4417 | if (starget->channel == IPR_ARRAY_VIRTUAL_BUS) | |
4418 | clear_bit(starget->id, ioa_cfg->array_ids); | |
4419 | else if (starget->channel == IPR_VSET_VIRTUAL_BUS) | |
4420 | clear_bit(starget->id, ioa_cfg->vset_ids); | |
4421 | else if (starget->channel == 0) | |
4422 | clear_bit(starget->id, ioa_cfg->target_ids); | |
4423 | } | |
35a39691 BK |
4424 | |
4425 | if (sata_port) { | |
4426 | starget->hostdata = NULL; | |
4427 | ata_sas_port_destroy(sata_port->ap); | |
4428 | kfree(sata_port); | |
4429 | } | |
4430 | } | |
4431 | ||
4432 | /** | |
4433 | * ipr_find_sdev - Find device based on bus/target/lun. | |
4434 | * @sdev: scsi device struct | |
4435 | * | |
4436 | * Return value: | |
4437 | * resource entry pointer if found / NULL if not found | |
4438 | **/ | |
4439 | static struct ipr_resource_entry *ipr_find_sdev(struct scsi_device *sdev) | |
4440 | { | |
4441 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *) sdev->host->hostdata; | |
4442 | struct ipr_resource_entry *res; | |
4443 | ||
4444 | list_for_each_entry(res, &ioa_cfg->used_res_q, queue) { | |
3e7ebdfa WB |
4445 | if ((res->bus == sdev->channel) && |
4446 | (res->target == sdev->id) && | |
4447 | (res->lun == sdev->lun)) | |
35a39691 BK |
4448 | return res; |
4449 | } | |
4450 | ||
4451 | return NULL; | |
4452 | } | |
4453 | ||
1da177e4 LT |
4454 | /** |
4455 | * ipr_slave_destroy - Unconfigure a SCSI device | |
4456 | * @sdev: scsi device struct | |
4457 | * | |
4458 | * Return value: | |
4459 | * nothing | |
4460 | **/ | |
4461 | static void ipr_slave_destroy(struct scsi_device *sdev) | |
4462 | { | |
4463 | struct ipr_resource_entry *res; | |
4464 | struct ipr_ioa_cfg *ioa_cfg; | |
4465 | unsigned long lock_flags = 0; | |
4466 | ||
4467 | ioa_cfg = (struct ipr_ioa_cfg *) sdev->host->hostdata; | |
4468 | ||
4469 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4470 | res = (struct ipr_resource_entry *) sdev->hostdata; | |
4471 | if (res) { | |
35a39691 | 4472 | if (res->sata_port) |
3e4ec344 | 4473 | res->sata_port->ap->link.device[0].class = ATA_DEV_NONE; |
1da177e4 LT |
4474 | sdev->hostdata = NULL; |
4475 | res->sdev = NULL; | |
35a39691 | 4476 | res->sata_port = NULL; |
1da177e4 LT |
4477 | } |
4478 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4479 | } | |
4480 | ||
4481 | /** | |
4482 | * ipr_slave_configure - Configure a SCSI device | |
4483 | * @sdev: scsi device struct | |
4484 | * | |
4485 | * This function configures the specified scsi device. | |
4486 | * | |
4487 | * Return value: | |
4488 | * 0 on success | |
4489 | **/ | |
4490 | static int ipr_slave_configure(struct scsi_device *sdev) | |
4491 | { | |
4492 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *) sdev->host->hostdata; | |
4493 | struct ipr_resource_entry *res; | |
dd406ef8 | 4494 | struct ata_port *ap = NULL; |
1da177e4 | 4495 | unsigned long lock_flags = 0; |
3e7ebdfa | 4496 | char buffer[IPR_MAX_RES_PATH_LENGTH]; |
1da177e4 LT |
4497 | |
4498 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4499 | res = sdev->hostdata; | |
4500 | if (res) { | |
4501 | if (ipr_is_af_dasd_device(res)) | |
4502 | sdev->type = TYPE_RAID; | |
0726ce26 | 4503 | if (ipr_is_af_dasd_device(res) || ipr_is_ioa_resource(res)) { |
1da177e4 | 4504 | sdev->scsi_level = 4; |
0726ce26 BK |
4505 | sdev->no_uld_attach = 1; |
4506 | } | |
1da177e4 | 4507 | if (ipr_is_vset_device(res)) { |
242f9dcb JA |
4508 | blk_queue_rq_timeout(sdev->request_queue, |
4509 | IPR_VSET_RW_TIMEOUT); | |
086fa5ff | 4510 | blk_queue_max_hw_sectors(sdev->request_queue, IPR_VSET_MAX_SECTORS); |
1da177e4 | 4511 | } |
dd406ef8 BK |
4512 | if (ipr_is_gata(res) && res->sata_port) |
4513 | ap = res->sata_port->ap; | |
4514 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4515 | ||
4516 | if (ap) { | |
35a39691 | 4517 | scsi_adjust_queue_depth(sdev, 0, IPR_MAX_CMD_PER_ATA_LUN); |
dd406ef8 BK |
4518 | ata_sas_slave_configure(sdev, ap); |
4519 | } else | |
35a39691 | 4520 | scsi_adjust_queue_depth(sdev, 0, sdev->host->cmd_per_lun); |
3e7ebdfa WB |
4521 | if (ioa_cfg->sis64) |
4522 | sdev_printk(KERN_INFO, sdev, "Resource path: %s\n", | |
5adcbeb3 WB |
4523 | ipr_format_res_path(res->res_path, buffer, |
4524 | sizeof(buffer))); | |
dd406ef8 | 4525 | return 0; |
1da177e4 LT |
4526 | } |
4527 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4528 | return 0; | |
4529 | } | |
4530 | ||
35a39691 BK |
4531 | /** |
4532 | * ipr_ata_slave_alloc - Prepare for commands to a SATA device | |
4533 | * @sdev: scsi device struct | |
4534 | * | |
4535 | * This function initializes an ATA port so that future commands | |
4536 | * sent through queuecommand will work. | |
4537 | * | |
4538 | * Return value: | |
4539 | * 0 on success | |
4540 | **/ | |
4541 | static int ipr_ata_slave_alloc(struct scsi_device *sdev) | |
4542 | { | |
4543 | struct ipr_sata_port *sata_port = NULL; | |
4544 | int rc = -ENXIO; | |
4545 | ||
4546 | ENTER; | |
4547 | if (sdev->sdev_target) | |
4548 | sata_port = sdev->sdev_target->hostdata; | |
4549 | if (sata_port) | |
4550 | rc = ata_sas_port_init(sata_port->ap); | |
4551 | if (rc) | |
4552 | ipr_slave_destroy(sdev); | |
4553 | ||
4554 | LEAVE; | |
4555 | return rc; | |
4556 | } | |
4557 | ||
1da177e4 LT |
4558 | /** |
4559 | * ipr_slave_alloc - Prepare for commands to a device. | |
4560 | * @sdev: scsi device struct | |
4561 | * | |
4562 | * This function saves a pointer to the resource entry | |
4563 | * in the scsi device struct if the device exists. We | |
4564 | * can then use this pointer in ipr_queuecommand when | |
4565 | * handling new commands. | |
4566 | * | |
4567 | * Return value: | |
692aebfc | 4568 | * 0 on success / -ENXIO if device does not exist |
1da177e4 LT |
4569 | **/ |
4570 | static int ipr_slave_alloc(struct scsi_device *sdev) | |
4571 | { | |
4572 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *) sdev->host->hostdata; | |
4573 | struct ipr_resource_entry *res; | |
4574 | unsigned long lock_flags; | |
692aebfc | 4575 | int rc = -ENXIO; |
1da177e4 LT |
4576 | |
4577 | sdev->hostdata = NULL; | |
4578 | ||
4579 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4580 | ||
35a39691 BK |
4581 | res = ipr_find_sdev(sdev); |
4582 | if (res) { | |
4583 | res->sdev = sdev; | |
4584 | res->add_to_ml = 0; | |
4585 | res->in_erp = 0; | |
4586 | sdev->hostdata = res; | |
4587 | if (!ipr_is_naca_model(res)) | |
4588 | res->needs_sync_complete = 1; | |
4589 | rc = 0; | |
4590 | if (ipr_is_gata(res)) { | |
4591 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4592 | return ipr_ata_slave_alloc(sdev); | |
1da177e4 LT |
4593 | } |
4594 | } | |
4595 | ||
4596 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4597 | ||
692aebfc | 4598 | return rc; |
1da177e4 LT |
4599 | } |
4600 | ||
4601 | /** | |
4602 | * ipr_eh_host_reset - Reset the host adapter | |
4603 | * @scsi_cmd: scsi command struct | |
4604 | * | |
4605 | * Return value: | |
4606 | * SUCCESS / FAILED | |
4607 | **/ | |
df0ae249 | 4608 | static int __ipr_eh_host_reset(struct scsi_cmnd * scsi_cmd) |
1da177e4 LT |
4609 | { |
4610 | struct ipr_ioa_cfg *ioa_cfg; | |
4611 | int rc; | |
4612 | ||
4613 | ENTER; | |
4614 | ioa_cfg = (struct ipr_ioa_cfg *) scsi_cmd->device->host->hostdata; | |
4615 | ||
4616 | dev_err(&ioa_cfg->pdev->dev, | |
4617 | "Adapter being reset as a result of error recovery.\n"); | |
4618 | ||
4619 | if (WAIT_FOR_DUMP == ioa_cfg->sdt_state) | |
4620 | ioa_cfg->sdt_state = GET_DUMP; | |
4621 | ||
4622 | rc = ipr_reset_reload(ioa_cfg, IPR_SHUTDOWN_ABBREV); | |
4623 | ||
4624 | LEAVE; | |
4625 | return rc; | |
4626 | } | |
4627 | ||
df0ae249 JG |
4628 | static int ipr_eh_host_reset(struct scsi_cmnd * cmd) |
4629 | { | |
4630 | int rc; | |
4631 | ||
4632 | spin_lock_irq(cmd->device->host->host_lock); | |
4633 | rc = __ipr_eh_host_reset(cmd); | |
4634 | spin_unlock_irq(cmd->device->host->host_lock); | |
4635 | ||
4636 | return rc; | |
4637 | } | |
4638 | ||
c6513096 BK |
4639 | /** |
4640 | * ipr_device_reset - Reset the device | |
4641 | * @ioa_cfg: ioa config struct | |
4642 | * @res: resource entry struct | |
4643 | * | |
4644 | * This function issues a device reset to the affected device. | |
4645 | * If the device is a SCSI device, a LUN reset will be sent | |
4646 | * to the device first. If that does not work, a target reset | |
35a39691 BK |
4647 | * will be sent. If the device is a SATA device, a PHY reset will |
4648 | * be sent. | |
c6513096 BK |
4649 | * |
4650 | * Return value: | |
4651 | * 0 on success / non-zero on failure | |
4652 | **/ | |
4653 | static int ipr_device_reset(struct ipr_ioa_cfg *ioa_cfg, | |
4654 | struct ipr_resource_entry *res) | |
4655 | { | |
4656 | struct ipr_cmnd *ipr_cmd; | |
4657 | struct ipr_ioarcb *ioarcb; | |
4658 | struct ipr_cmd_pkt *cmd_pkt; | |
35a39691 | 4659 | struct ipr_ioarcb_ata_regs *regs; |
c6513096 BK |
4660 | u32 ioasc; |
4661 | ||
4662 | ENTER; | |
4663 | ipr_cmd = ipr_get_free_ipr_cmnd(ioa_cfg); | |
4664 | ioarcb = &ipr_cmd->ioarcb; | |
4665 | cmd_pkt = &ioarcb->cmd_pkt; | |
a32c055f WB |
4666 | |
4667 | if (ipr_cmd->ioa_cfg->sis64) { | |
4668 | regs = &ipr_cmd->i.ata_ioadl.regs; | |
4669 | ioarcb->add_cmd_parms_offset = cpu_to_be16(sizeof(*ioarcb)); | |
4670 | } else | |
4671 | regs = &ioarcb->u.add_data.u.regs; | |
c6513096 | 4672 | |
3e7ebdfa | 4673 | ioarcb->res_handle = res->res_handle; |
c6513096 BK |
4674 | cmd_pkt->request_type = IPR_RQTYPE_IOACMD; |
4675 | cmd_pkt->cdb[0] = IPR_RESET_DEVICE; | |
35a39691 BK |
4676 | if (ipr_is_gata(res)) { |
4677 | cmd_pkt->cdb[2] = IPR_ATA_PHY_RESET; | |
a32c055f | 4678 | ioarcb->add_cmd_parms_len = cpu_to_be16(sizeof(regs->flags)); |
35a39691 BK |
4679 | regs->flags |= IPR_ATA_FLAG_STATUS_ON_GOOD_COMPLETION; |
4680 | } | |
c6513096 BK |
4681 | |
4682 | ipr_send_blocking_cmd(ipr_cmd, ipr_timeout, IPR_DEVICE_RESET_TIMEOUT); | |
96d21f00 | 4683 | ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
c6513096 | 4684 | list_add_tail(&ipr_cmd->queue, &ioa_cfg->free_q); |
96d21f00 WB |
4685 | if (ipr_is_gata(res) && res->sata_port && ioasc != IPR_IOASC_IOA_WAS_RESET) { |
4686 | if (ipr_cmd->ioa_cfg->sis64) | |
4687 | memcpy(&res->sata_port->ioasa, &ipr_cmd->s.ioasa64.u.gata, | |
4688 | sizeof(struct ipr_ioasa_gata)); | |
4689 | else | |
4690 | memcpy(&res->sata_port->ioasa, &ipr_cmd->s.ioasa.u.gata, | |
4691 | sizeof(struct ipr_ioasa_gata)); | |
4692 | } | |
c6513096 BK |
4693 | |
4694 | LEAVE; | |
4695 | return (IPR_IOASC_SENSE_KEY(ioasc) ? -EIO : 0); | |
4696 | } | |
4697 | ||
35a39691 BK |
4698 | /** |
4699 | * ipr_sata_reset - Reset the SATA port | |
cc0680a5 | 4700 | * @link: SATA link to reset |
35a39691 BK |
4701 | * @classes: class of the attached device |
4702 | * | |
cc0680a5 | 4703 | * This function issues a SATA phy reset to the affected ATA link. |
35a39691 BK |
4704 | * |
4705 | * Return value: | |
4706 | * 0 on success / non-zero on failure | |
4707 | **/ | |
cc0680a5 | 4708 | static int ipr_sata_reset(struct ata_link *link, unsigned int *classes, |
120bda35 | 4709 | unsigned long deadline) |
35a39691 | 4710 | { |
cc0680a5 | 4711 | struct ipr_sata_port *sata_port = link->ap->private_data; |
35a39691 BK |
4712 | struct ipr_ioa_cfg *ioa_cfg = sata_port->ioa_cfg; |
4713 | struct ipr_resource_entry *res; | |
4714 | unsigned long lock_flags = 0; | |
4715 | int rc = -ENXIO; | |
4716 | ||
4717 | ENTER; | |
4718 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
73d98ff0 BK |
4719 | while(ioa_cfg->in_reset_reload) { |
4720 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4721 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
4722 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4723 | } | |
4724 | ||
35a39691 BK |
4725 | res = sata_port->res; |
4726 | if (res) { | |
4727 | rc = ipr_device_reset(ioa_cfg, res); | |
3e7ebdfa | 4728 | *classes = res->ata_class; |
35a39691 BK |
4729 | } |
4730 | ||
4731 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4732 | LEAVE; | |
4733 | return rc; | |
4734 | } | |
4735 | ||
1da177e4 LT |
4736 | /** |
4737 | * ipr_eh_dev_reset - Reset the device | |
4738 | * @scsi_cmd: scsi command struct | |
4739 | * | |
4740 | * This function issues a device reset to the affected device. | |
4741 | * A LUN reset will be sent to the device first. If that does | |
4742 | * not work, a target reset will be sent. | |
4743 | * | |
4744 | * Return value: | |
4745 | * SUCCESS / FAILED | |
4746 | **/ | |
94d0e7b8 | 4747 | static int __ipr_eh_dev_reset(struct scsi_cmnd * scsi_cmd) |
1da177e4 LT |
4748 | { |
4749 | struct ipr_cmnd *ipr_cmd; | |
4750 | struct ipr_ioa_cfg *ioa_cfg; | |
4751 | struct ipr_resource_entry *res; | |
35a39691 BK |
4752 | struct ata_port *ap; |
4753 | int rc = 0; | |
1da177e4 LT |
4754 | |
4755 | ENTER; | |
4756 | ioa_cfg = (struct ipr_ioa_cfg *) scsi_cmd->device->host->hostdata; | |
4757 | res = scsi_cmd->device->hostdata; | |
4758 | ||
eeb88307 | 4759 | if (!res) |
1da177e4 LT |
4760 | return FAILED; |
4761 | ||
4762 | /* | |
4763 | * If we are currently going through reset/reload, return failed. This will force the | |
4764 | * mid-layer to call ipr_eh_host_reset, which will then go to sleep and wait for the | |
4765 | * reset to complete | |
4766 | */ | |
4767 | if (ioa_cfg->in_reset_reload) | |
4768 | return FAILED; | |
4769 | if (ioa_cfg->ioa_is_dead) | |
4770 | return FAILED; | |
4771 | ||
4772 | list_for_each_entry(ipr_cmd, &ioa_cfg->pending_q, queue) { | |
3e7ebdfa | 4773 | if (ipr_cmd->ioarcb.res_handle == res->res_handle) { |
1da177e4 LT |
4774 | if (ipr_cmd->scsi_cmd) |
4775 | ipr_cmd->done = ipr_scsi_eh_done; | |
24d6f2b5 BK |
4776 | if (ipr_cmd->qc) |
4777 | ipr_cmd->done = ipr_sata_eh_done; | |
7402ecef BK |
4778 | if (ipr_cmd->qc && !(ipr_cmd->qc->flags & ATA_QCFLAG_FAILED)) { |
4779 | ipr_cmd->qc->err_mask |= AC_ERR_TIMEOUT; | |
4780 | ipr_cmd->qc->flags |= ATA_QCFLAG_FAILED; | |
4781 | } | |
1da177e4 LT |
4782 | } |
4783 | } | |
4784 | ||
4785 | res->resetting_device = 1; | |
fb3ed3cb | 4786 | scmd_printk(KERN_ERR, scsi_cmd, "Resetting device\n"); |
35a39691 BK |
4787 | |
4788 | if (ipr_is_gata(res) && res->sata_port) { | |
4789 | ap = res->sata_port->ap; | |
4790 | spin_unlock_irq(scsi_cmd->device->host->host_lock); | |
a1efdaba | 4791 | ata_std_error_handler(ap); |
35a39691 | 4792 | spin_lock_irq(scsi_cmd->device->host->host_lock); |
5af23d26 BK |
4793 | |
4794 | list_for_each_entry(ipr_cmd, &ioa_cfg->pending_q, queue) { | |
3e7ebdfa | 4795 | if (ipr_cmd->ioarcb.res_handle == res->res_handle) { |
5af23d26 BK |
4796 | rc = -EIO; |
4797 | break; | |
4798 | } | |
4799 | } | |
35a39691 BK |
4800 | } else |
4801 | rc = ipr_device_reset(ioa_cfg, res); | |
1da177e4 LT |
4802 | res->resetting_device = 0; |
4803 | ||
1da177e4 | 4804 | LEAVE; |
c6513096 | 4805 | return (rc ? FAILED : SUCCESS); |
1da177e4 LT |
4806 | } |
4807 | ||
94d0e7b8 JG |
4808 | static int ipr_eh_dev_reset(struct scsi_cmnd * cmd) |
4809 | { | |
4810 | int rc; | |
4811 | ||
4812 | spin_lock_irq(cmd->device->host->host_lock); | |
4813 | rc = __ipr_eh_dev_reset(cmd); | |
4814 | spin_unlock_irq(cmd->device->host->host_lock); | |
4815 | ||
4816 | return rc; | |
4817 | } | |
4818 | ||
1da177e4 LT |
4819 | /** |
4820 | * ipr_bus_reset_done - Op done function for bus reset. | |
4821 | * @ipr_cmd: ipr command struct | |
4822 | * | |
4823 | * This function is the op done function for a bus reset | |
4824 | * | |
4825 | * Return value: | |
4826 | * none | |
4827 | **/ | |
4828 | static void ipr_bus_reset_done(struct ipr_cmnd *ipr_cmd) | |
4829 | { | |
4830 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
4831 | struct ipr_resource_entry *res; | |
4832 | ||
4833 | ENTER; | |
3e7ebdfa WB |
4834 | if (!ioa_cfg->sis64) |
4835 | list_for_each_entry(res, &ioa_cfg->used_res_q, queue) { | |
4836 | if (res->res_handle == ipr_cmd->ioarcb.res_handle) { | |
4837 | scsi_report_bus_reset(ioa_cfg->host, res->bus); | |
4838 | break; | |
4839 | } | |
1da177e4 | 4840 | } |
1da177e4 LT |
4841 | |
4842 | /* | |
4843 | * If abort has not completed, indicate the reset has, else call the | |
4844 | * abort's done function to wake the sleeping eh thread | |
4845 | */ | |
4846 | if (ipr_cmd->sibling->sibling) | |
4847 | ipr_cmd->sibling->sibling = NULL; | |
4848 | else | |
4849 | ipr_cmd->sibling->done(ipr_cmd->sibling); | |
4850 | ||
4851 | list_add_tail(&ipr_cmd->queue, &ioa_cfg->free_q); | |
4852 | LEAVE; | |
4853 | } | |
4854 | ||
4855 | /** | |
4856 | * ipr_abort_timeout - An abort task has timed out | |
4857 | * @ipr_cmd: ipr command struct | |
4858 | * | |
4859 | * This function handles when an abort task times out. If this | |
4860 | * happens we issue a bus reset since we have resources tied | |
4861 | * up that must be freed before returning to the midlayer. | |
4862 | * | |
4863 | * Return value: | |
4864 | * none | |
4865 | **/ | |
4866 | static void ipr_abort_timeout(struct ipr_cmnd *ipr_cmd) | |
4867 | { | |
4868 | struct ipr_cmnd *reset_cmd; | |
4869 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
4870 | struct ipr_cmd_pkt *cmd_pkt; | |
4871 | unsigned long lock_flags = 0; | |
4872 | ||
4873 | ENTER; | |
4874 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
4875 | if (ipr_cmd->completion.done || ioa_cfg->in_reset_reload) { | |
4876 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4877 | return; | |
4878 | } | |
4879 | ||
fb3ed3cb | 4880 | sdev_printk(KERN_ERR, ipr_cmd->u.sdev, "Abort timed out. Resetting bus.\n"); |
1da177e4 LT |
4881 | reset_cmd = ipr_get_free_ipr_cmnd(ioa_cfg); |
4882 | ipr_cmd->sibling = reset_cmd; | |
4883 | reset_cmd->sibling = ipr_cmd; | |
4884 | reset_cmd->ioarcb.res_handle = ipr_cmd->ioarcb.res_handle; | |
4885 | cmd_pkt = &reset_cmd->ioarcb.cmd_pkt; | |
4886 | cmd_pkt->request_type = IPR_RQTYPE_IOACMD; | |
4887 | cmd_pkt->cdb[0] = IPR_RESET_DEVICE; | |
4888 | cmd_pkt->cdb[2] = IPR_RESET_TYPE_SELECT | IPR_BUS_RESET; | |
4889 | ||
4890 | ipr_do_req(reset_cmd, ipr_bus_reset_done, ipr_timeout, IPR_DEVICE_RESET_TIMEOUT); | |
4891 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
4892 | LEAVE; | |
4893 | } | |
4894 | ||
4895 | /** | |
4896 | * ipr_cancel_op - Cancel specified op | |
4897 | * @scsi_cmd: scsi command struct | |
4898 | * | |
4899 | * This function cancels specified op. | |
4900 | * | |
4901 | * Return value: | |
4902 | * SUCCESS / FAILED | |
4903 | **/ | |
4904 | static int ipr_cancel_op(struct scsi_cmnd * scsi_cmd) | |
4905 | { | |
4906 | struct ipr_cmnd *ipr_cmd; | |
4907 | struct ipr_ioa_cfg *ioa_cfg; | |
4908 | struct ipr_resource_entry *res; | |
4909 | struct ipr_cmd_pkt *cmd_pkt; | |
4910 | u32 ioasc; | |
4911 | int op_found = 0; | |
4912 | ||
4913 | ENTER; | |
4914 | ioa_cfg = (struct ipr_ioa_cfg *)scsi_cmd->device->host->hostdata; | |
4915 | res = scsi_cmd->device->hostdata; | |
4916 | ||
8fa728a2 JG |
4917 | /* If we are currently going through reset/reload, return failed. |
4918 | * This will force the mid-layer to call ipr_eh_host_reset, | |
4919 | * which will then go to sleep and wait for the reset to complete | |
4920 | */ | |
4921 | if (ioa_cfg->in_reset_reload || ioa_cfg->ioa_is_dead) | |
4922 | return FAILED; | |
04d9768f | 4923 | if (!res || !ipr_is_gscsi(res)) |
1da177e4 LT |
4924 | return FAILED; |
4925 | ||
4926 | list_for_each_entry(ipr_cmd, &ioa_cfg->pending_q, queue) { | |
4927 | if (ipr_cmd->scsi_cmd == scsi_cmd) { | |
4928 | ipr_cmd->done = ipr_scsi_eh_done; | |
4929 | op_found = 1; | |
4930 | break; | |
4931 | } | |
4932 | } | |
4933 | ||
4934 | if (!op_found) | |
4935 | return SUCCESS; | |
4936 | ||
4937 | ipr_cmd = ipr_get_free_ipr_cmnd(ioa_cfg); | |
3e7ebdfa | 4938 | ipr_cmd->ioarcb.res_handle = res->res_handle; |
1da177e4 LT |
4939 | cmd_pkt = &ipr_cmd->ioarcb.cmd_pkt; |
4940 | cmd_pkt->request_type = IPR_RQTYPE_IOACMD; | |
4941 | cmd_pkt->cdb[0] = IPR_CANCEL_ALL_REQUESTS; | |
4942 | ipr_cmd->u.sdev = scsi_cmd->device; | |
4943 | ||
fb3ed3cb BK |
4944 | scmd_printk(KERN_ERR, scsi_cmd, "Aborting command: %02X\n", |
4945 | scsi_cmd->cmnd[0]); | |
1da177e4 | 4946 | ipr_send_blocking_cmd(ipr_cmd, ipr_abort_timeout, IPR_CANCEL_ALL_TIMEOUT); |
96d21f00 | 4947 | ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
1da177e4 LT |
4948 | |
4949 | /* | |
4950 | * If the abort task timed out and we sent a bus reset, we will get | |
4951 | * one the following responses to the abort | |
4952 | */ | |
4953 | if (ioasc == IPR_IOASC_BUS_WAS_RESET || ioasc == IPR_IOASC_SYNC_REQUIRED) { | |
4954 | ioasc = 0; | |
4955 | ipr_trace; | |
4956 | } | |
4957 | ||
4958 | list_add_tail(&ipr_cmd->queue, &ioa_cfg->free_q); | |
ee0a90fa BK |
4959 | if (!ipr_is_naca_model(res)) |
4960 | res->needs_sync_complete = 1; | |
1da177e4 LT |
4961 | |
4962 | LEAVE; | |
4963 | return (IPR_IOASC_SENSE_KEY(ioasc) ? FAILED : SUCCESS); | |
4964 | } | |
4965 | ||
4966 | /** | |
4967 | * ipr_eh_abort - Abort a single op | |
4968 | * @scsi_cmd: scsi command struct | |
4969 | * | |
4970 | * Return value: | |
4971 | * SUCCESS / FAILED | |
4972 | **/ | |
4973 | static int ipr_eh_abort(struct scsi_cmnd * scsi_cmd) | |
4974 | { | |
8fa728a2 JG |
4975 | unsigned long flags; |
4976 | int rc; | |
1da177e4 LT |
4977 | |
4978 | ENTER; | |
1da177e4 | 4979 | |
8fa728a2 JG |
4980 | spin_lock_irqsave(scsi_cmd->device->host->host_lock, flags); |
4981 | rc = ipr_cancel_op(scsi_cmd); | |
4982 | spin_unlock_irqrestore(scsi_cmd->device->host->host_lock, flags); | |
1da177e4 LT |
4983 | |
4984 | LEAVE; | |
8fa728a2 | 4985 | return rc; |
1da177e4 LT |
4986 | } |
4987 | ||
4988 | /** | |
4989 | * ipr_handle_other_interrupt - Handle "other" interrupts | |
4990 | * @ioa_cfg: ioa config struct | |
634651fa | 4991 | * @int_reg: interrupt register |
1da177e4 LT |
4992 | * |
4993 | * Return value: | |
4994 | * IRQ_NONE / IRQ_HANDLED | |
4995 | **/ | |
634651fa | 4996 | static irqreturn_t ipr_handle_other_interrupt(struct ipr_ioa_cfg *ioa_cfg, |
630ad831 | 4997 | u32 int_reg) |
1da177e4 LT |
4998 | { |
4999 | irqreturn_t rc = IRQ_HANDLED; | |
7dacb64f WB |
5000 | u32 int_mask_reg; |
5001 | ||
5002 | int_mask_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg32); | |
5003 | int_reg &= ~int_mask_reg; | |
5004 | ||
5005 | /* If an interrupt on the adapter did not occur, ignore it. | |
5006 | * Or in the case of SIS 64, check for a stage change interrupt. | |
5007 | */ | |
5008 | if ((int_reg & IPR_PCII_OPER_INTERRUPTS) == 0) { | |
5009 | if (ioa_cfg->sis64) { | |
5010 | int_mask_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg); | |
5011 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg) & ~int_mask_reg; | |
5012 | if (int_reg & IPR_PCII_IPL_STAGE_CHANGE) { | |
5013 | ||
5014 | /* clear stage change */ | |
5015 | writel(IPR_PCII_IPL_STAGE_CHANGE, ioa_cfg->regs.clr_interrupt_reg); | |
5016 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg) & ~int_mask_reg; | |
5017 | list_del(&ioa_cfg->reset_cmd->queue); | |
5018 | del_timer(&ioa_cfg->reset_cmd->timer); | |
5019 | ipr_reset_ioa_job(ioa_cfg->reset_cmd); | |
5020 | return IRQ_HANDLED; | |
5021 | } | |
5022 | } | |
5023 | ||
5024 | return IRQ_NONE; | |
5025 | } | |
1da177e4 LT |
5026 | |
5027 | if (int_reg & IPR_PCII_IOA_TRANS_TO_OPER) { | |
5028 | /* Mask the interrupt */ | |
5029 | writel(IPR_PCII_IOA_TRANS_TO_OPER, ioa_cfg->regs.set_interrupt_mask_reg); | |
5030 | ||
5031 | /* Clear the interrupt */ | |
5032 | writel(IPR_PCII_IOA_TRANS_TO_OPER, ioa_cfg->regs.clr_interrupt_reg); | |
5033 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg); | |
5034 | ||
5035 | list_del(&ioa_cfg->reset_cmd->queue); | |
5036 | del_timer(&ioa_cfg->reset_cmd->timer); | |
5037 | ipr_reset_ioa_job(ioa_cfg->reset_cmd); | |
7dacb64f WB |
5038 | } else if ((int_reg & IPR_PCII_HRRQ_UPDATED) == int_reg) { |
5039 | if (ipr_debug && printk_ratelimit()) | |
5040 | dev_err(&ioa_cfg->pdev->dev, | |
5041 | "Spurious interrupt detected. 0x%08X\n", int_reg); | |
5042 | writel(IPR_PCII_HRRQ_UPDATED, ioa_cfg->regs.clr_interrupt_reg32); | |
5043 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg32); | |
5044 | return IRQ_NONE; | |
1da177e4 LT |
5045 | } else { |
5046 | if (int_reg & IPR_PCII_IOA_UNIT_CHECKED) | |
5047 | ioa_cfg->ioa_unit_checked = 1; | |
5048 | else | |
5049 | dev_err(&ioa_cfg->pdev->dev, | |
5050 | "Permanent IOA failure. 0x%08X\n", int_reg); | |
5051 | ||
5052 | if (WAIT_FOR_DUMP == ioa_cfg->sdt_state) | |
5053 | ioa_cfg->sdt_state = GET_DUMP; | |
5054 | ||
5055 | ipr_mask_and_clear_interrupts(ioa_cfg, ~0); | |
5056 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); | |
5057 | } | |
5058 | ||
5059 | return rc; | |
5060 | } | |
5061 | ||
3feeb89d WB |
5062 | /** |
5063 | * ipr_isr_eh - Interrupt service routine error handler | |
5064 | * @ioa_cfg: ioa config struct | |
5065 | * @msg: message to log | |
5066 | * | |
5067 | * Return value: | |
5068 | * none | |
5069 | **/ | |
5070 | static void ipr_isr_eh(struct ipr_ioa_cfg *ioa_cfg, char *msg) | |
5071 | { | |
5072 | ioa_cfg->errors_logged++; | |
5073 | dev_err(&ioa_cfg->pdev->dev, "%s\n", msg); | |
5074 | ||
5075 | if (WAIT_FOR_DUMP == ioa_cfg->sdt_state) | |
5076 | ioa_cfg->sdt_state = GET_DUMP; | |
5077 | ||
5078 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); | |
5079 | } | |
5080 | ||
1da177e4 LT |
5081 | /** |
5082 | * ipr_isr - Interrupt service routine | |
5083 | * @irq: irq number | |
5084 | * @devp: pointer to ioa config struct | |
1da177e4 LT |
5085 | * |
5086 | * Return value: | |
5087 | * IRQ_NONE / IRQ_HANDLED | |
5088 | **/ | |
7d12e780 | 5089 | static irqreturn_t ipr_isr(int irq, void *devp) |
1da177e4 LT |
5090 | { |
5091 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)devp; | |
5092 | unsigned long lock_flags = 0; | |
7dacb64f | 5093 | u32 int_reg = 0; |
1da177e4 LT |
5094 | u32 ioasc; |
5095 | u16 cmd_index; | |
3feeb89d | 5096 | int num_hrrq = 0; |
7dacb64f | 5097 | int irq_none = 0; |
1da177e4 LT |
5098 | struct ipr_cmnd *ipr_cmd; |
5099 | irqreturn_t rc = IRQ_NONE; | |
5100 | ||
5101 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
5102 | ||
5103 | /* If interrupts are disabled, ignore the interrupt */ | |
5104 | if (!ioa_cfg->allow_interrupts) { | |
5105 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
5106 | return IRQ_NONE; | |
5107 | } | |
5108 | ||
1da177e4 LT |
5109 | while (1) { |
5110 | ipr_cmd = NULL; | |
5111 | ||
5112 | while ((be32_to_cpu(*ioa_cfg->hrrq_curr) & IPR_HRRQ_TOGGLE_BIT) == | |
5113 | ioa_cfg->toggle_bit) { | |
5114 | ||
5115 | cmd_index = (be32_to_cpu(*ioa_cfg->hrrq_curr) & | |
5116 | IPR_HRRQ_REQ_RESP_HANDLE_MASK) >> IPR_HRRQ_REQ_RESP_HANDLE_SHIFT; | |
5117 | ||
5118 | if (unlikely(cmd_index >= IPR_NUM_CMD_BLKS)) { | |
3feeb89d | 5119 | ipr_isr_eh(ioa_cfg, "Invalid response handle from IOA"); |
1da177e4 LT |
5120 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); |
5121 | return IRQ_HANDLED; | |
5122 | } | |
5123 | ||
5124 | ipr_cmd = ioa_cfg->ipr_cmnd_list[cmd_index]; | |
5125 | ||
96d21f00 | 5126 | ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
1da177e4 LT |
5127 | |
5128 | ipr_trc_hook(ipr_cmd, IPR_TRACE_FINISH, ioasc); | |
5129 | ||
5130 | list_del(&ipr_cmd->queue); | |
5131 | del_timer(&ipr_cmd->timer); | |
5132 | ipr_cmd->done(ipr_cmd); | |
5133 | ||
5134 | rc = IRQ_HANDLED; | |
5135 | ||
5136 | if (ioa_cfg->hrrq_curr < ioa_cfg->hrrq_end) { | |
5137 | ioa_cfg->hrrq_curr++; | |
5138 | } else { | |
5139 | ioa_cfg->hrrq_curr = ioa_cfg->hrrq_start; | |
5140 | ioa_cfg->toggle_bit ^= 1u; | |
5141 | } | |
5142 | } | |
5143 | ||
5144 | if (ipr_cmd != NULL) { | |
5145 | /* Clear the PCI interrupt */ | |
a5442ba4 | 5146 | num_hrrq = 0; |
3feeb89d | 5147 | do { |
214777ba | 5148 | writel(IPR_PCII_HRRQ_UPDATED, ioa_cfg->regs.clr_interrupt_reg32); |
7dacb64f | 5149 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg32); |
3feeb89d WB |
5150 | } while (int_reg & IPR_PCII_HRRQ_UPDATED && |
5151 | num_hrrq++ < IPR_MAX_HRRQ_RETRIES); | |
5152 | ||
7dacb64f WB |
5153 | } else if (rc == IRQ_NONE && irq_none == 0) { |
5154 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg32); | |
5155 | irq_none++; | |
a5442ba4 WB |
5156 | } else if (num_hrrq == IPR_MAX_HRRQ_RETRIES && |
5157 | int_reg & IPR_PCII_HRRQ_UPDATED) { | |
5158 | ipr_isr_eh(ioa_cfg, "Error clearing HRRQ"); | |
5159 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
5160 | return IRQ_HANDLED; | |
1da177e4 LT |
5161 | } else |
5162 | break; | |
5163 | } | |
5164 | ||
5165 | if (unlikely(rc == IRQ_NONE)) | |
634651fa | 5166 | rc = ipr_handle_other_interrupt(ioa_cfg, int_reg); |
1da177e4 LT |
5167 | |
5168 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
5169 | return rc; | |
5170 | } | |
5171 | ||
a32c055f WB |
5172 | /** |
5173 | * ipr_build_ioadl64 - Build a scatter/gather list and map the buffer | |
5174 | * @ioa_cfg: ioa config struct | |
5175 | * @ipr_cmd: ipr command struct | |
5176 | * | |
5177 | * Return value: | |
5178 | * 0 on success / -1 on failure | |
5179 | **/ | |
5180 | static int ipr_build_ioadl64(struct ipr_ioa_cfg *ioa_cfg, | |
5181 | struct ipr_cmnd *ipr_cmd) | |
5182 | { | |
5183 | int i, nseg; | |
5184 | struct scatterlist *sg; | |
5185 | u32 length; | |
5186 | u32 ioadl_flags = 0; | |
5187 | struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd; | |
5188 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
5189 | struct ipr_ioadl64_desc *ioadl64 = ipr_cmd->i.ioadl64; | |
5190 | ||
5191 | length = scsi_bufflen(scsi_cmd); | |
5192 | if (!length) | |
5193 | return 0; | |
5194 | ||
5195 | nseg = scsi_dma_map(scsi_cmd); | |
5196 | if (nseg < 0) { | |
51f52a47 AB |
5197 | if (printk_ratelimit()) |
5198 | dev_err(&ioa_cfg->pdev->dev, "pci_map_sg failed!\n"); | |
a32c055f WB |
5199 | return -1; |
5200 | } | |
5201 | ||
5202 | ipr_cmd->dma_use_sg = nseg; | |
5203 | ||
438b0331 | 5204 | ioarcb->data_transfer_length = cpu_to_be32(length); |
b8803b1c WB |
5205 | ioarcb->ioadl_len = |
5206 | cpu_to_be32(sizeof(struct ipr_ioadl64_desc) * ipr_cmd->dma_use_sg); | |
438b0331 | 5207 | |
a32c055f WB |
5208 | if (scsi_cmd->sc_data_direction == DMA_TO_DEVICE) { |
5209 | ioadl_flags = IPR_IOADL_FLAGS_WRITE; | |
5210 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ; | |
5211 | } else if (scsi_cmd->sc_data_direction == DMA_FROM_DEVICE) | |
5212 | ioadl_flags = IPR_IOADL_FLAGS_READ; | |
5213 | ||
5214 | scsi_for_each_sg(scsi_cmd, sg, ipr_cmd->dma_use_sg, i) { | |
5215 | ioadl64[i].flags = cpu_to_be32(ioadl_flags); | |
5216 | ioadl64[i].data_len = cpu_to_be32(sg_dma_len(sg)); | |
5217 | ioadl64[i].address = cpu_to_be64(sg_dma_address(sg)); | |
5218 | } | |
5219 | ||
5220 | ioadl64[i-1].flags |= cpu_to_be32(IPR_IOADL_FLAGS_LAST); | |
5221 | return 0; | |
5222 | } | |
5223 | ||
1da177e4 LT |
5224 | /** |
5225 | * ipr_build_ioadl - Build a scatter/gather list and map the buffer | |
5226 | * @ioa_cfg: ioa config struct | |
5227 | * @ipr_cmd: ipr command struct | |
5228 | * | |
5229 | * Return value: | |
5230 | * 0 on success / -1 on failure | |
5231 | **/ | |
5232 | static int ipr_build_ioadl(struct ipr_ioa_cfg *ioa_cfg, | |
5233 | struct ipr_cmnd *ipr_cmd) | |
5234 | { | |
63015bc9 FT |
5235 | int i, nseg; |
5236 | struct scatterlist *sg; | |
1da177e4 LT |
5237 | u32 length; |
5238 | u32 ioadl_flags = 0; | |
5239 | struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd; | |
5240 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
a32c055f | 5241 | struct ipr_ioadl_desc *ioadl = ipr_cmd->i.ioadl; |
1da177e4 | 5242 | |
63015bc9 FT |
5243 | length = scsi_bufflen(scsi_cmd); |
5244 | if (!length) | |
1da177e4 LT |
5245 | return 0; |
5246 | ||
63015bc9 FT |
5247 | nseg = scsi_dma_map(scsi_cmd); |
5248 | if (nseg < 0) { | |
5249 | dev_err(&ioa_cfg->pdev->dev, "pci_map_sg failed!\n"); | |
5250 | return -1; | |
5251 | } | |
51b1c7e1 | 5252 | |
63015bc9 FT |
5253 | ipr_cmd->dma_use_sg = nseg; |
5254 | ||
5255 | if (scsi_cmd->sc_data_direction == DMA_TO_DEVICE) { | |
5256 | ioadl_flags = IPR_IOADL_FLAGS_WRITE; | |
5257 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ; | |
a32c055f WB |
5258 | ioarcb->data_transfer_length = cpu_to_be32(length); |
5259 | ioarcb->ioadl_len = | |
63015bc9 FT |
5260 | cpu_to_be32(sizeof(struct ipr_ioadl_desc) * ipr_cmd->dma_use_sg); |
5261 | } else if (scsi_cmd->sc_data_direction == DMA_FROM_DEVICE) { | |
5262 | ioadl_flags = IPR_IOADL_FLAGS_READ; | |
5263 | ioarcb->read_data_transfer_length = cpu_to_be32(length); | |
5264 | ioarcb->read_ioadl_len = | |
5265 | cpu_to_be32(sizeof(struct ipr_ioadl_desc) * ipr_cmd->dma_use_sg); | |
5266 | } | |
1da177e4 | 5267 | |
a32c055f WB |
5268 | if (ipr_cmd->dma_use_sg <= ARRAY_SIZE(ioarcb->u.add_data.u.ioadl)) { |
5269 | ioadl = ioarcb->u.add_data.u.ioadl; | |
5270 | ioarcb->write_ioadl_addr = cpu_to_be32((ipr_cmd->dma_addr) + | |
5271 | offsetof(struct ipr_ioarcb, u.add_data)); | |
63015bc9 FT |
5272 | ioarcb->read_ioadl_addr = ioarcb->write_ioadl_addr; |
5273 | } | |
1da177e4 | 5274 | |
63015bc9 FT |
5275 | scsi_for_each_sg(scsi_cmd, sg, ipr_cmd->dma_use_sg, i) { |
5276 | ioadl[i].flags_and_data_len = | |
5277 | cpu_to_be32(ioadl_flags | sg_dma_len(sg)); | |
5278 | ioadl[i].address = cpu_to_be32(sg_dma_address(sg)); | |
1da177e4 LT |
5279 | } |
5280 | ||
63015bc9 FT |
5281 | ioadl[i-1].flags_and_data_len |= cpu_to_be32(IPR_IOADL_FLAGS_LAST); |
5282 | return 0; | |
1da177e4 LT |
5283 | } |
5284 | ||
5285 | /** | |
5286 | * ipr_get_task_attributes - Translate SPI Q-Tag to task attributes | |
5287 | * @scsi_cmd: scsi command struct | |
5288 | * | |
5289 | * Return value: | |
5290 | * task attributes | |
5291 | **/ | |
5292 | static u8 ipr_get_task_attributes(struct scsi_cmnd *scsi_cmd) | |
5293 | { | |
5294 | u8 tag[2]; | |
5295 | u8 rc = IPR_FLAGS_LO_UNTAGGED_TASK; | |
5296 | ||
5297 | if (scsi_populate_tag_msg(scsi_cmd, tag)) { | |
5298 | switch (tag[0]) { | |
5299 | case MSG_SIMPLE_TAG: | |
5300 | rc = IPR_FLAGS_LO_SIMPLE_TASK; | |
5301 | break; | |
5302 | case MSG_HEAD_TAG: | |
5303 | rc = IPR_FLAGS_LO_HEAD_OF_Q_TASK; | |
5304 | break; | |
5305 | case MSG_ORDERED_TAG: | |
5306 | rc = IPR_FLAGS_LO_ORDERED_TASK; | |
5307 | break; | |
5308 | }; | |
5309 | } | |
5310 | ||
5311 | return rc; | |
5312 | } | |
5313 | ||
5314 | /** | |
5315 | * ipr_erp_done - Process completion of ERP for a device | |
5316 | * @ipr_cmd: ipr command struct | |
5317 | * | |
5318 | * This function copies the sense buffer into the scsi_cmd | |
5319 | * struct and pushes the scsi_done function. | |
5320 | * | |
5321 | * Return value: | |
5322 | * nothing | |
5323 | **/ | |
5324 | static void ipr_erp_done(struct ipr_cmnd *ipr_cmd) | |
5325 | { | |
5326 | struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd; | |
5327 | struct ipr_resource_entry *res = scsi_cmd->device->hostdata; | |
5328 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
96d21f00 | 5329 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
1da177e4 LT |
5330 | |
5331 | if (IPR_IOASC_SENSE_KEY(ioasc) > 0) { | |
5332 | scsi_cmd->result |= (DID_ERROR << 16); | |
fb3ed3cb BK |
5333 | scmd_printk(KERN_ERR, scsi_cmd, |
5334 | "Request Sense failed with IOASC: 0x%08X\n", ioasc); | |
1da177e4 LT |
5335 | } else { |
5336 | memcpy(scsi_cmd->sense_buffer, ipr_cmd->sense_buffer, | |
5337 | SCSI_SENSE_BUFFERSIZE); | |
5338 | } | |
5339 | ||
5340 | if (res) { | |
ee0a90fa BK |
5341 | if (!ipr_is_naca_model(res)) |
5342 | res->needs_sync_complete = 1; | |
1da177e4 LT |
5343 | res->in_erp = 0; |
5344 | } | |
63015bc9 | 5345 | scsi_dma_unmap(ipr_cmd->scsi_cmd); |
1da177e4 LT |
5346 | list_add_tail(&ipr_cmd->queue, &ioa_cfg->free_q); |
5347 | scsi_cmd->scsi_done(scsi_cmd); | |
5348 | } | |
5349 | ||
5350 | /** | |
5351 | * ipr_reinit_ipr_cmnd_for_erp - Re-initialize a cmnd block to be used for ERP | |
5352 | * @ipr_cmd: ipr command struct | |
5353 | * | |
5354 | * Return value: | |
5355 | * none | |
5356 | **/ | |
5357 | static void ipr_reinit_ipr_cmnd_for_erp(struct ipr_cmnd *ipr_cmd) | |
5358 | { | |
51b1c7e1 | 5359 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; |
96d21f00 | 5360 | struct ipr_ioasa *ioasa = &ipr_cmd->s.ioasa; |
a32c055f | 5361 | dma_addr_t dma_addr = ipr_cmd->dma_addr; |
1da177e4 LT |
5362 | |
5363 | memset(&ioarcb->cmd_pkt, 0, sizeof(struct ipr_cmd_pkt)); | |
a32c055f | 5364 | ioarcb->data_transfer_length = 0; |
1da177e4 | 5365 | ioarcb->read_data_transfer_length = 0; |
a32c055f | 5366 | ioarcb->ioadl_len = 0; |
1da177e4 | 5367 | ioarcb->read_ioadl_len = 0; |
96d21f00 WB |
5368 | ioasa->hdr.ioasc = 0; |
5369 | ioasa->hdr.residual_data_len = 0; | |
a32c055f WB |
5370 | |
5371 | if (ipr_cmd->ioa_cfg->sis64) | |
5372 | ioarcb->u.sis64_addr_data.data_ioadl_addr = | |
5373 | cpu_to_be64(dma_addr + offsetof(struct ipr_cmnd, i.ioadl64)); | |
5374 | else { | |
5375 | ioarcb->write_ioadl_addr = | |
5376 | cpu_to_be32(dma_addr + offsetof(struct ipr_cmnd, i.ioadl)); | |
5377 | ioarcb->read_ioadl_addr = ioarcb->write_ioadl_addr; | |
5378 | } | |
1da177e4 LT |
5379 | } |
5380 | ||
5381 | /** | |
5382 | * ipr_erp_request_sense - Send request sense to a device | |
5383 | * @ipr_cmd: ipr command struct | |
5384 | * | |
5385 | * This function sends a request sense to a device as a result | |
5386 | * of a check condition. | |
5387 | * | |
5388 | * Return value: | |
5389 | * nothing | |
5390 | **/ | |
5391 | static void ipr_erp_request_sense(struct ipr_cmnd *ipr_cmd) | |
5392 | { | |
5393 | struct ipr_cmd_pkt *cmd_pkt = &ipr_cmd->ioarcb.cmd_pkt; | |
96d21f00 | 5394 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
1da177e4 LT |
5395 | |
5396 | if (IPR_IOASC_SENSE_KEY(ioasc) > 0) { | |
5397 | ipr_erp_done(ipr_cmd); | |
5398 | return; | |
5399 | } | |
5400 | ||
5401 | ipr_reinit_ipr_cmnd_for_erp(ipr_cmd); | |
5402 | ||
5403 | cmd_pkt->request_type = IPR_RQTYPE_SCSICDB; | |
5404 | cmd_pkt->cdb[0] = REQUEST_SENSE; | |
5405 | cmd_pkt->cdb[4] = SCSI_SENSE_BUFFERSIZE; | |
5406 | cmd_pkt->flags_hi |= IPR_FLAGS_HI_SYNC_OVERRIDE; | |
5407 | cmd_pkt->flags_hi |= IPR_FLAGS_HI_NO_ULEN_CHK; | |
5408 | cmd_pkt->timeout = cpu_to_be16(IPR_REQUEST_SENSE_TIMEOUT / HZ); | |
5409 | ||
a32c055f WB |
5410 | ipr_init_ioadl(ipr_cmd, ipr_cmd->sense_buffer_dma, |
5411 | SCSI_SENSE_BUFFERSIZE, IPR_IOADL_FLAGS_READ_LAST); | |
1da177e4 LT |
5412 | |
5413 | ipr_do_req(ipr_cmd, ipr_erp_done, ipr_timeout, | |
5414 | IPR_REQUEST_SENSE_TIMEOUT * 2); | |
5415 | } | |
5416 | ||
5417 | /** | |
5418 | * ipr_erp_cancel_all - Send cancel all to a device | |
5419 | * @ipr_cmd: ipr command struct | |
5420 | * | |
5421 | * This function sends a cancel all to a device to clear the | |
5422 | * queue. If we are running TCQ on the device, QERR is set to 1, | |
5423 | * which means all outstanding ops have been dropped on the floor. | |
5424 | * Cancel all will return them to us. | |
5425 | * | |
5426 | * Return value: | |
5427 | * nothing | |
5428 | **/ | |
5429 | static void ipr_erp_cancel_all(struct ipr_cmnd *ipr_cmd) | |
5430 | { | |
5431 | struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd; | |
5432 | struct ipr_resource_entry *res = scsi_cmd->device->hostdata; | |
5433 | struct ipr_cmd_pkt *cmd_pkt; | |
5434 | ||
5435 | res->in_erp = 1; | |
5436 | ||
5437 | ipr_reinit_ipr_cmnd_for_erp(ipr_cmd); | |
5438 | ||
5439 | if (!scsi_get_tag_type(scsi_cmd->device)) { | |
5440 | ipr_erp_request_sense(ipr_cmd); | |
5441 | return; | |
5442 | } | |
5443 | ||
5444 | cmd_pkt = &ipr_cmd->ioarcb.cmd_pkt; | |
5445 | cmd_pkt->request_type = IPR_RQTYPE_IOACMD; | |
5446 | cmd_pkt->cdb[0] = IPR_CANCEL_ALL_REQUESTS; | |
5447 | ||
5448 | ipr_do_req(ipr_cmd, ipr_erp_request_sense, ipr_timeout, | |
5449 | IPR_CANCEL_ALL_TIMEOUT); | |
5450 | } | |
5451 | ||
5452 | /** | |
5453 | * ipr_dump_ioasa - Dump contents of IOASA | |
5454 | * @ioa_cfg: ioa config struct | |
5455 | * @ipr_cmd: ipr command struct | |
fe964d0a | 5456 | * @res: resource entry struct |
1da177e4 LT |
5457 | * |
5458 | * This function is invoked by the interrupt handler when ops | |
5459 | * fail. It will log the IOASA if appropriate. Only called | |
5460 | * for GPDD ops. | |
5461 | * | |
5462 | * Return value: | |
5463 | * none | |
5464 | **/ | |
5465 | static void ipr_dump_ioasa(struct ipr_ioa_cfg *ioa_cfg, | |
fe964d0a | 5466 | struct ipr_cmnd *ipr_cmd, struct ipr_resource_entry *res) |
1da177e4 LT |
5467 | { |
5468 | int i; | |
5469 | u16 data_len; | |
b0692dd4 | 5470 | u32 ioasc, fd_ioasc; |
96d21f00 | 5471 | struct ipr_ioasa *ioasa = &ipr_cmd->s.ioasa; |
1da177e4 LT |
5472 | __be32 *ioasa_data = (__be32 *)ioasa; |
5473 | int error_index; | |
5474 | ||
96d21f00 WB |
5475 | ioasc = be32_to_cpu(ioasa->hdr.ioasc) & IPR_IOASC_IOASC_MASK; |
5476 | fd_ioasc = be32_to_cpu(ioasa->hdr.fd_ioasc) & IPR_IOASC_IOASC_MASK; | |
1da177e4 LT |
5477 | |
5478 | if (0 == ioasc) | |
5479 | return; | |
5480 | ||
5481 | if (ioa_cfg->log_level < IPR_DEFAULT_LOG_LEVEL) | |
5482 | return; | |
5483 | ||
b0692dd4 BK |
5484 | if (ioasc == IPR_IOASC_BUS_WAS_RESET && fd_ioasc) |
5485 | error_index = ipr_get_error(fd_ioasc); | |
5486 | else | |
5487 | error_index = ipr_get_error(ioasc); | |
1da177e4 LT |
5488 | |
5489 | if (ioa_cfg->log_level < IPR_MAX_LOG_LEVEL) { | |
5490 | /* Don't log an error if the IOA already logged one */ | |
96d21f00 | 5491 | if (ioasa->hdr.ilid != 0) |
1da177e4 LT |
5492 | return; |
5493 | ||
cc9bd5d4 BK |
5494 | if (!ipr_is_gscsi(res)) |
5495 | return; | |
5496 | ||
1da177e4 LT |
5497 | if (ipr_error_table[error_index].log_ioasa == 0) |
5498 | return; | |
5499 | } | |
5500 | ||
fe964d0a | 5501 | ipr_res_err(ioa_cfg, res, "%s\n", ipr_error_table[error_index].error); |
1da177e4 | 5502 | |
96d21f00 WB |
5503 | data_len = be16_to_cpu(ioasa->hdr.ret_stat_len); |
5504 | if (ioa_cfg->sis64 && sizeof(struct ipr_ioasa64) < data_len) | |
5505 | data_len = sizeof(struct ipr_ioasa64); | |
5506 | else if (!ioa_cfg->sis64 && sizeof(struct ipr_ioasa) < data_len) | |
1da177e4 | 5507 | data_len = sizeof(struct ipr_ioasa); |
1da177e4 LT |
5508 | |
5509 | ipr_err("IOASA Dump:\n"); | |
5510 | ||
5511 | for (i = 0; i < data_len / 4; i += 4) { | |
5512 | ipr_err("%08X: %08X %08X %08X %08X\n", i*4, | |
5513 | be32_to_cpu(ioasa_data[i]), | |
5514 | be32_to_cpu(ioasa_data[i+1]), | |
5515 | be32_to_cpu(ioasa_data[i+2]), | |
5516 | be32_to_cpu(ioasa_data[i+3])); | |
5517 | } | |
5518 | } | |
5519 | ||
5520 | /** | |
5521 | * ipr_gen_sense - Generate SCSI sense data from an IOASA | |
5522 | * @ioasa: IOASA | |
5523 | * @sense_buf: sense data buffer | |
5524 | * | |
5525 | * Return value: | |
5526 | * none | |
5527 | **/ | |
5528 | static void ipr_gen_sense(struct ipr_cmnd *ipr_cmd) | |
5529 | { | |
5530 | u32 failing_lba; | |
5531 | u8 *sense_buf = ipr_cmd->scsi_cmd->sense_buffer; | |
5532 | struct ipr_resource_entry *res = ipr_cmd->scsi_cmd->device->hostdata; | |
96d21f00 WB |
5533 | struct ipr_ioasa *ioasa = &ipr_cmd->s.ioasa; |
5534 | u32 ioasc = be32_to_cpu(ioasa->hdr.ioasc); | |
1da177e4 LT |
5535 | |
5536 | memset(sense_buf, 0, SCSI_SENSE_BUFFERSIZE); | |
5537 | ||
5538 | if (ioasc >= IPR_FIRST_DRIVER_IOASC) | |
5539 | return; | |
5540 | ||
5541 | ipr_cmd->scsi_cmd->result = SAM_STAT_CHECK_CONDITION; | |
5542 | ||
5543 | if (ipr_is_vset_device(res) && | |
5544 | ioasc == IPR_IOASC_MED_DO_NOT_REALLOC && | |
5545 | ioasa->u.vset.failing_lba_hi != 0) { | |
5546 | sense_buf[0] = 0x72; | |
5547 | sense_buf[1] = IPR_IOASC_SENSE_KEY(ioasc); | |
5548 | sense_buf[2] = IPR_IOASC_SENSE_CODE(ioasc); | |
5549 | sense_buf[3] = IPR_IOASC_SENSE_QUAL(ioasc); | |
5550 | ||
5551 | sense_buf[7] = 12; | |
5552 | sense_buf[8] = 0; | |
5553 | sense_buf[9] = 0x0A; | |
5554 | sense_buf[10] = 0x80; | |
5555 | ||
5556 | failing_lba = be32_to_cpu(ioasa->u.vset.failing_lba_hi); | |
5557 | ||
5558 | sense_buf[12] = (failing_lba & 0xff000000) >> 24; | |
5559 | sense_buf[13] = (failing_lba & 0x00ff0000) >> 16; | |
5560 | sense_buf[14] = (failing_lba & 0x0000ff00) >> 8; | |
5561 | sense_buf[15] = failing_lba & 0x000000ff; | |
5562 | ||
5563 | failing_lba = be32_to_cpu(ioasa->u.vset.failing_lba_lo); | |
5564 | ||
5565 | sense_buf[16] = (failing_lba & 0xff000000) >> 24; | |
5566 | sense_buf[17] = (failing_lba & 0x00ff0000) >> 16; | |
5567 | sense_buf[18] = (failing_lba & 0x0000ff00) >> 8; | |
5568 | sense_buf[19] = failing_lba & 0x000000ff; | |
5569 | } else { | |
5570 | sense_buf[0] = 0x70; | |
5571 | sense_buf[2] = IPR_IOASC_SENSE_KEY(ioasc); | |
5572 | sense_buf[12] = IPR_IOASC_SENSE_CODE(ioasc); | |
5573 | sense_buf[13] = IPR_IOASC_SENSE_QUAL(ioasc); | |
5574 | ||
5575 | /* Illegal request */ | |
5576 | if ((IPR_IOASC_SENSE_KEY(ioasc) == 0x05) && | |
96d21f00 | 5577 | (be32_to_cpu(ioasa->hdr.ioasc_specific) & IPR_FIELD_POINTER_VALID)) { |
1da177e4 LT |
5578 | sense_buf[7] = 10; /* additional length */ |
5579 | ||
5580 | /* IOARCB was in error */ | |
5581 | if (IPR_IOASC_SENSE_CODE(ioasc) == 0x24) | |
5582 | sense_buf[15] = 0xC0; | |
5583 | else /* Parameter data was invalid */ | |
5584 | sense_buf[15] = 0x80; | |
5585 | ||
5586 | sense_buf[16] = | |
5587 | ((IPR_FIELD_POINTER_MASK & | |
96d21f00 | 5588 | be32_to_cpu(ioasa->hdr.ioasc_specific)) >> 8) & 0xff; |
1da177e4 LT |
5589 | sense_buf[17] = |
5590 | (IPR_FIELD_POINTER_MASK & | |
96d21f00 | 5591 | be32_to_cpu(ioasa->hdr.ioasc_specific)) & 0xff; |
1da177e4 LT |
5592 | } else { |
5593 | if (ioasc == IPR_IOASC_MED_DO_NOT_REALLOC) { | |
5594 | if (ipr_is_vset_device(res)) | |
5595 | failing_lba = be32_to_cpu(ioasa->u.vset.failing_lba_lo); | |
5596 | else | |
5597 | failing_lba = be32_to_cpu(ioasa->u.dasd.failing_lba); | |
5598 | ||
5599 | sense_buf[0] |= 0x80; /* Or in the Valid bit */ | |
5600 | sense_buf[3] = (failing_lba & 0xff000000) >> 24; | |
5601 | sense_buf[4] = (failing_lba & 0x00ff0000) >> 16; | |
5602 | sense_buf[5] = (failing_lba & 0x0000ff00) >> 8; | |
5603 | sense_buf[6] = failing_lba & 0x000000ff; | |
5604 | } | |
5605 | ||
5606 | sense_buf[7] = 6; /* additional length */ | |
5607 | } | |
5608 | } | |
5609 | } | |
5610 | ||
ee0a90fa BK |
5611 | /** |
5612 | * ipr_get_autosense - Copy autosense data to sense buffer | |
5613 | * @ipr_cmd: ipr command struct | |
5614 | * | |
5615 | * This function copies the autosense buffer to the buffer | |
5616 | * in the scsi_cmd, if there is autosense available. | |
5617 | * | |
5618 | * Return value: | |
5619 | * 1 if autosense was available / 0 if not | |
5620 | **/ | |
5621 | static int ipr_get_autosense(struct ipr_cmnd *ipr_cmd) | |
5622 | { | |
96d21f00 WB |
5623 | struct ipr_ioasa *ioasa = &ipr_cmd->s.ioasa; |
5624 | struct ipr_ioasa64 *ioasa64 = &ipr_cmd->s.ioasa64; | |
ee0a90fa | 5625 | |
96d21f00 | 5626 | if ((be32_to_cpu(ioasa->hdr.ioasc_specific) & IPR_AUTOSENSE_VALID) == 0) |
ee0a90fa BK |
5627 | return 0; |
5628 | ||
96d21f00 WB |
5629 | if (ipr_cmd->ioa_cfg->sis64) |
5630 | memcpy(ipr_cmd->scsi_cmd->sense_buffer, ioasa64->auto_sense.data, | |
5631 | min_t(u16, be16_to_cpu(ioasa64->auto_sense.auto_sense_len), | |
5632 | SCSI_SENSE_BUFFERSIZE)); | |
5633 | else | |
5634 | memcpy(ipr_cmd->scsi_cmd->sense_buffer, ioasa->auto_sense.data, | |
5635 | min_t(u16, be16_to_cpu(ioasa->auto_sense.auto_sense_len), | |
5636 | SCSI_SENSE_BUFFERSIZE)); | |
ee0a90fa BK |
5637 | return 1; |
5638 | } | |
5639 | ||
1da177e4 LT |
5640 | /** |
5641 | * ipr_erp_start - Process an error response for a SCSI op | |
5642 | * @ioa_cfg: ioa config struct | |
5643 | * @ipr_cmd: ipr command struct | |
5644 | * | |
5645 | * This function determines whether or not to initiate ERP | |
5646 | * on the affected device. | |
5647 | * | |
5648 | * Return value: | |
5649 | * nothing | |
5650 | **/ | |
5651 | static void ipr_erp_start(struct ipr_ioa_cfg *ioa_cfg, | |
5652 | struct ipr_cmnd *ipr_cmd) | |
5653 | { | |
5654 | struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd; | |
5655 | struct ipr_resource_entry *res = scsi_cmd->device->hostdata; | |
96d21f00 | 5656 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
8a048994 | 5657 | u32 masked_ioasc = ioasc & IPR_IOASC_IOASC_MASK; |
1da177e4 LT |
5658 | |
5659 | if (!res) { | |
5660 | ipr_scsi_eh_done(ipr_cmd); | |
5661 | return; | |
5662 | } | |
5663 | ||
8a048994 | 5664 | if (!ipr_is_gscsi(res) && masked_ioasc != IPR_IOASC_HW_DEV_BUS_STATUS) |
1da177e4 LT |
5665 | ipr_gen_sense(ipr_cmd); |
5666 | ||
cc9bd5d4 BK |
5667 | ipr_dump_ioasa(ioa_cfg, ipr_cmd, res); |
5668 | ||
8a048994 | 5669 | switch (masked_ioasc) { |
1da177e4 | 5670 | case IPR_IOASC_ABORTED_CMD_TERM_BY_HOST: |
ee0a90fa BK |
5671 | if (ipr_is_naca_model(res)) |
5672 | scsi_cmd->result |= (DID_ABORT << 16); | |
5673 | else | |
5674 | scsi_cmd->result |= (DID_IMM_RETRY << 16); | |
1da177e4 LT |
5675 | break; |
5676 | case IPR_IOASC_IR_RESOURCE_HANDLE: | |
b0df54bb | 5677 | case IPR_IOASC_IR_NO_CMDS_TO_2ND_IOA: |
1da177e4 LT |
5678 | scsi_cmd->result |= (DID_NO_CONNECT << 16); |
5679 | break; | |
5680 | case IPR_IOASC_HW_SEL_TIMEOUT: | |
5681 | scsi_cmd->result |= (DID_NO_CONNECT << 16); | |
ee0a90fa BK |
5682 | if (!ipr_is_naca_model(res)) |
5683 | res->needs_sync_complete = 1; | |
1da177e4 LT |
5684 | break; |
5685 | case IPR_IOASC_SYNC_REQUIRED: | |
5686 | if (!res->in_erp) | |
5687 | res->needs_sync_complete = 1; | |
5688 | scsi_cmd->result |= (DID_IMM_RETRY << 16); | |
5689 | break; | |
5690 | case IPR_IOASC_MED_DO_NOT_REALLOC: /* prevent retries */ | |
b0df54bb | 5691 | case IPR_IOASA_IR_DUAL_IOA_DISABLED: |
1da177e4 LT |
5692 | scsi_cmd->result |= (DID_PASSTHROUGH << 16); |
5693 | break; | |
5694 | case IPR_IOASC_BUS_WAS_RESET: | |
5695 | case IPR_IOASC_BUS_WAS_RESET_BY_OTHER: | |
5696 | /* | |
5697 | * Report the bus reset and ask for a retry. The device | |
5698 | * will give CC/UA the next command. | |
5699 | */ | |
5700 | if (!res->resetting_device) | |
5701 | scsi_report_bus_reset(ioa_cfg->host, scsi_cmd->device->channel); | |
5702 | scsi_cmd->result |= (DID_ERROR << 16); | |
ee0a90fa BK |
5703 | if (!ipr_is_naca_model(res)) |
5704 | res->needs_sync_complete = 1; | |
1da177e4 LT |
5705 | break; |
5706 | case IPR_IOASC_HW_DEV_BUS_STATUS: | |
5707 | scsi_cmd->result |= IPR_IOASC_SENSE_STATUS(ioasc); | |
5708 | if (IPR_IOASC_SENSE_STATUS(ioasc) == SAM_STAT_CHECK_CONDITION) { | |
ee0a90fa BK |
5709 | if (!ipr_get_autosense(ipr_cmd)) { |
5710 | if (!ipr_is_naca_model(res)) { | |
5711 | ipr_erp_cancel_all(ipr_cmd); | |
5712 | return; | |
5713 | } | |
5714 | } | |
1da177e4 | 5715 | } |
ee0a90fa BK |
5716 | if (!ipr_is_naca_model(res)) |
5717 | res->needs_sync_complete = 1; | |
1da177e4 LT |
5718 | break; |
5719 | case IPR_IOASC_NR_INIT_CMD_REQUIRED: | |
5720 | break; | |
5721 | default: | |
5b7304fb BK |
5722 | if (IPR_IOASC_SENSE_KEY(ioasc) > RECOVERED_ERROR) |
5723 | scsi_cmd->result |= (DID_ERROR << 16); | |
ee0a90fa | 5724 | if (!ipr_is_vset_device(res) && !ipr_is_naca_model(res)) |
1da177e4 LT |
5725 | res->needs_sync_complete = 1; |
5726 | break; | |
5727 | } | |
5728 | ||
63015bc9 | 5729 | scsi_dma_unmap(ipr_cmd->scsi_cmd); |
1da177e4 LT |
5730 | list_add_tail(&ipr_cmd->queue, &ioa_cfg->free_q); |
5731 | scsi_cmd->scsi_done(scsi_cmd); | |
5732 | } | |
5733 | ||
5734 | /** | |
5735 | * ipr_scsi_done - mid-layer done function | |
5736 | * @ipr_cmd: ipr command struct | |
5737 | * | |
5738 | * This function is invoked by the interrupt handler for | |
5739 | * ops generated by the SCSI mid-layer | |
5740 | * | |
5741 | * Return value: | |
5742 | * none | |
5743 | **/ | |
5744 | static void ipr_scsi_done(struct ipr_cmnd *ipr_cmd) | |
5745 | { | |
5746 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
5747 | struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd; | |
96d21f00 | 5748 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
1da177e4 | 5749 | |
96d21f00 | 5750 | scsi_set_resid(scsi_cmd, be32_to_cpu(ipr_cmd->s.ioasa.hdr.residual_data_len)); |
1da177e4 LT |
5751 | |
5752 | if (likely(IPR_IOASC_SENSE_KEY(ioasc) == 0)) { | |
63015bc9 | 5753 | scsi_dma_unmap(ipr_cmd->scsi_cmd); |
1da177e4 LT |
5754 | list_add_tail(&ipr_cmd->queue, &ioa_cfg->free_q); |
5755 | scsi_cmd->scsi_done(scsi_cmd); | |
5756 | } else | |
5757 | ipr_erp_start(ioa_cfg, ipr_cmd); | |
5758 | } | |
5759 | ||
1da177e4 LT |
5760 | /** |
5761 | * ipr_queuecommand - Queue a mid-layer request | |
5762 | * @scsi_cmd: scsi command struct | |
5763 | * @done: done function | |
5764 | * | |
5765 | * This function queues a request generated by the mid-layer. | |
5766 | * | |
5767 | * Return value: | |
5768 | * 0 on success | |
5769 | * SCSI_MLQUEUE_DEVICE_BUSY if device is busy | |
5770 | * SCSI_MLQUEUE_HOST_BUSY if host is busy | |
5771 | **/ | |
f281233d | 5772 | static int ipr_queuecommand_lck(struct scsi_cmnd *scsi_cmd, |
1da177e4 LT |
5773 | void (*done) (struct scsi_cmnd *)) |
5774 | { | |
5775 | struct ipr_ioa_cfg *ioa_cfg; | |
5776 | struct ipr_resource_entry *res; | |
5777 | struct ipr_ioarcb *ioarcb; | |
5778 | struct ipr_cmnd *ipr_cmd; | |
5779 | int rc = 0; | |
5780 | ||
5781 | scsi_cmd->scsi_done = done; | |
5782 | ioa_cfg = (struct ipr_ioa_cfg *)scsi_cmd->device->host->hostdata; | |
5783 | res = scsi_cmd->device->hostdata; | |
5784 | scsi_cmd->result = (DID_OK << 16); | |
5785 | ||
5786 | /* | |
5787 | * We are currently blocking all devices due to a host reset | |
5788 | * We have told the host to stop giving us new requests, but | |
5789 | * ERP ops don't count. FIXME | |
5790 | */ | |
5791 | if (unlikely(!ioa_cfg->allow_cmds && !ioa_cfg->ioa_is_dead)) | |
5792 | return SCSI_MLQUEUE_HOST_BUSY; | |
5793 | ||
5794 | /* | |
5795 | * FIXME - Create scsi_set_host_offline interface | |
5796 | * and the ioa_is_dead check can be removed | |
5797 | */ | |
5798 | if (unlikely(ioa_cfg->ioa_is_dead || !res)) { | |
5799 | memset(scsi_cmd->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); | |
5800 | scsi_cmd->result = (DID_NO_CONNECT << 16); | |
5801 | scsi_cmd->scsi_done(scsi_cmd); | |
5802 | return 0; | |
5803 | } | |
5804 | ||
35a39691 | 5805 | if (ipr_is_gata(res) && res->sata_port) |
b27dcfb0 | 5806 | return ata_sas_queuecmd(scsi_cmd, res->sata_port->ap); |
35a39691 | 5807 | |
1da177e4 LT |
5808 | ipr_cmd = ipr_get_free_ipr_cmnd(ioa_cfg); |
5809 | ioarcb = &ipr_cmd->ioarcb; | |
5810 | list_add_tail(&ipr_cmd->queue, &ioa_cfg->pending_q); | |
5811 | ||
5812 | memcpy(ioarcb->cmd_pkt.cdb, scsi_cmd->cmnd, scsi_cmd->cmd_len); | |
5813 | ipr_cmd->scsi_cmd = scsi_cmd; | |
3e7ebdfa | 5814 | ioarcb->res_handle = res->res_handle; |
1da177e4 | 5815 | ipr_cmd->done = ipr_scsi_done; |
3e7ebdfa | 5816 | ipr_trc_hook(ipr_cmd, IPR_TRACE_START, IPR_GET_RES_PHYS_LOC(res)); |
1da177e4 LT |
5817 | |
5818 | if (ipr_is_gscsi(res) || ipr_is_vset_device(res)) { | |
5819 | if (scsi_cmd->underflow == 0) | |
5820 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_NO_ULEN_CHK; | |
5821 | ||
5822 | if (res->needs_sync_complete) { | |
5823 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_SYNC_COMPLETE; | |
5824 | res->needs_sync_complete = 0; | |
5825 | } | |
5826 | ||
5827 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_NO_LINK_DESC; | |
ab6c10b1 WB |
5828 | if (ipr_is_gscsi(res)) |
5829 | ioarcb->cmd_pkt.flags_lo |= IPR_FLAGS_LO_DELAY_AFTER_RST; | |
1da177e4 LT |
5830 | ioarcb->cmd_pkt.flags_lo |= IPR_FLAGS_LO_ALIGNED_BFR; |
5831 | ioarcb->cmd_pkt.flags_lo |= ipr_get_task_attributes(scsi_cmd); | |
5832 | } | |
5833 | ||
5834 | if (scsi_cmd->cmnd[0] >= 0xC0 && | |
5835 | (!ipr_is_gscsi(res) || scsi_cmd->cmnd[0] == IPR_QUERY_RSRC_STATE)) | |
5836 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_IOACMD; | |
5837 | ||
a32c055f WB |
5838 | if (likely(rc == 0)) { |
5839 | if (ioa_cfg->sis64) | |
5840 | rc = ipr_build_ioadl64(ioa_cfg, ipr_cmd); | |
5841 | else | |
5842 | rc = ipr_build_ioadl(ioa_cfg, ipr_cmd); | |
5843 | } | |
1da177e4 LT |
5844 | |
5845 | if (likely(rc == 0)) { | |
5846 | mb(); | |
a32c055f | 5847 | ipr_send_command(ipr_cmd); |
1da177e4 LT |
5848 | } else { |
5849 | list_move_tail(&ipr_cmd->queue, &ioa_cfg->free_q); | |
5850 | return SCSI_MLQUEUE_HOST_BUSY; | |
5851 | } | |
5852 | ||
5853 | return 0; | |
5854 | } | |
5855 | ||
f281233d JG |
5856 | static DEF_SCSI_QCMD(ipr_queuecommand) |
5857 | ||
35a39691 BK |
5858 | /** |
5859 | * ipr_ioctl - IOCTL handler | |
5860 | * @sdev: scsi device struct | |
5861 | * @cmd: IOCTL cmd | |
5862 | * @arg: IOCTL arg | |
5863 | * | |
5864 | * Return value: | |
5865 | * 0 on success / other on failure | |
5866 | **/ | |
bd705f2d | 5867 | static int ipr_ioctl(struct scsi_device *sdev, int cmd, void __user *arg) |
35a39691 BK |
5868 | { |
5869 | struct ipr_resource_entry *res; | |
5870 | ||
5871 | res = (struct ipr_resource_entry *)sdev->hostdata; | |
0ce3a7e5 BK |
5872 | if (res && ipr_is_gata(res)) { |
5873 | if (cmd == HDIO_GET_IDENTITY) | |
5874 | return -ENOTTY; | |
94be9a58 | 5875 | return ata_sas_scsi_ioctl(res->sata_port->ap, sdev, cmd, arg); |
0ce3a7e5 | 5876 | } |
35a39691 BK |
5877 | |
5878 | return -EINVAL; | |
5879 | } | |
5880 | ||
1da177e4 LT |
5881 | /** |
5882 | * ipr_info - Get information about the card/driver | |
5883 | * @scsi_host: scsi host struct | |
5884 | * | |
5885 | * Return value: | |
5886 | * pointer to buffer with description string | |
5887 | **/ | |
5888 | static const char * ipr_ioa_info(struct Scsi_Host *host) | |
5889 | { | |
5890 | static char buffer[512]; | |
5891 | struct ipr_ioa_cfg *ioa_cfg; | |
5892 | unsigned long lock_flags = 0; | |
5893 | ||
5894 | ioa_cfg = (struct ipr_ioa_cfg *) host->hostdata; | |
5895 | ||
5896 | spin_lock_irqsave(host->host_lock, lock_flags); | |
5897 | sprintf(buffer, "IBM %X Storage Adapter", ioa_cfg->type); | |
5898 | spin_unlock_irqrestore(host->host_lock, lock_flags); | |
5899 | ||
5900 | return buffer; | |
5901 | } | |
5902 | ||
5903 | static struct scsi_host_template driver_template = { | |
5904 | .module = THIS_MODULE, | |
5905 | .name = "IPR", | |
5906 | .info = ipr_ioa_info, | |
35a39691 | 5907 | .ioctl = ipr_ioctl, |
1da177e4 LT |
5908 | .queuecommand = ipr_queuecommand, |
5909 | .eh_abort_handler = ipr_eh_abort, | |
5910 | .eh_device_reset_handler = ipr_eh_dev_reset, | |
5911 | .eh_host_reset_handler = ipr_eh_host_reset, | |
5912 | .slave_alloc = ipr_slave_alloc, | |
5913 | .slave_configure = ipr_slave_configure, | |
5914 | .slave_destroy = ipr_slave_destroy, | |
35a39691 BK |
5915 | .target_alloc = ipr_target_alloc, |
5916 | .target_destroy = ipr_target_destroy, | |
1da177e4 LT |
5917 | .change_queue_depth = ipr_change_queue_depth, |
5918 | .change_queue_type = ipr_change_queue_type, | |
5919 | .bios_param = ipr_biosparam, | |
5920 | .can_queue = IPR_MAX_COMMANDS, | |
5921 | .this_id = -1, | |
5922 | .sg_tablesize = IPR_MAX_SGLIST, | |
5923 | .max_sectors = IPR_IOA_MAX_SECTORS, | |
5924 | .cmd_per_lun = IPR_MAX_CMD_PER_LUN, | |
5925 | .use_clustering = ENABLE_CLUSTERING, | |
5926 | .shost_attrs = ipr_ioa_attrs, | |
5927 | .sdev_attrs = ipr_dev_attrs, | |
5928 | .proc_name = IPR_NAME | |
5929 | }; | |
5930 | ||
35a39691 BK |
5931 | /** |
5932 | * ipr_ata_phy_reset - libata phy_reset handler | |
5933 | * @ap: ata port to reset | |
5934 | * | |
5935 | **/ | |
5936 | static void ipr_ata_phy_reset(struct ata_port *ap) | |
5937 | { | |
5938 | unsigned long flags; | |
5939 | struct ipr_sata_port *sata_port = ap->private_data; | |
5940 | struct ipr_resource_entry *res = sata_port->res; | |
5941 | struct ipr_ioa_cfg *ioa_cfg = sata_port->ioa_cfg; | |
5942 | int rc; | |
5943 | ||
5944 | ENTER; | |
5945 | spin_lock_irqsave(ioa_cfg->host->host_lock, flags); | |
5946 | while(ioa_cfg->in_reset_reload) { | |
5947 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); | |
5948 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
5949 | spin_lock_irqsave(ioa_cfg->host->host_lock, flags); | |
5950 | } | |
5951 | ||
5952 | if (!ioa_cfg->allow_cmds) | |
5953 | goto out_unlock; | |
5954 | ||
5955 | rc = ipr_device_reset(ioa_cfg, res); | |
5956 | ||
5957 | if (rc) { | |
3e4ec344 | 5958 | ap->link.device[0].class = ATA_DEV_NONE; |
35a39691 BK |
5959 | goto out_unlock; |
5960 | } | |
5961 | ||
3e7ebdfa WB |
5962 | ap->link.device[0].class = res->ata_class; |
5963 | if (ap->link.device[0].class == ATA_DEV_UNKNOWN) | |
3e4ec344 | 5964 | ap->link.device[0].class = ATA_DEV_NONE; |
35a39691 BK |
5965 | |
5966 | out_unlock: | |
5967 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); | |
5968 | LEAVE; | |
5969 | } | |
5970 | ||
5971 | /** | |
5972 | * ipr_ata_post_internal - Cleanup after an internal command | |
5973 | * @qc: ATA queued command | |
5974 | * | |
5975 | * Return value: | |
5976 | * none | |
5977 | **/ | |
5978 | static void ipr_ata_post_internal(struct ata_queued_cmd *qc) | |
5979 | { | |
5980 | struct ipr_sata_port *sata_port = qc->ap->private_data; | |
5981 | struct ipr_ioa_cfg *ioa_cfg = sata_port->ioa_cfg; | |
5982 | struct ipr_cmnd *ipr_cmd; | |
5983 | unsigned long flags; | |
5984 | ||
5985 | spin_lock_irqsave(ioa_cfg->host->host_lock, flags); | |
73d98ff0 BK |
5986 | while(ioa_cfg->in_reset_reload) { |
5987 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); | |
5988 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
5989 | spin_lock_irqsave(ioa_cfg->host->host_lock, flags); | |
5990 | } | |
5991 | ||
35a39691 BK |
5992 | list_for_each_entry(ipr_cmd, &ioa_cfg->pending_q, queue) { |
5993 | if (ipr_cmd->qc == qc) { | |
5994 | ipr_device_reset(ioa_cfg, sata_port->res); | |
5995 | break; | |
5996 | } | |
5997 | } | |
5998 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); | |
5999 | } | |
6000 | ||
35a39691 BK |
6001 | /** |
6002 | * ipr_copy_sata_tf - Copy a SATA taskfile to an IOA data structure | |
6003 | * @regs: destination | |
6004 | * @tf: source ATA taskfile | |
6005 | * | |
6006 | * Return value: | |
6007 | * none | |
6008 | **/ | |
6009 | static void ipr_copy_sata_tf(struct ipr_ioarcb_ata_regs *regs, | |
6010 | struct ata_taskfile *tf) | |
6011 | { | |
6012 | regs->feature = tf->feature; | |
6013 | regs->nsect = tf->nsect; | |
6014 | regs->lbal = tf->lbal; | |
6015 | regs->lbam = tf->lbam; | |
6016 | regs->lbah = tf->lbah; | |
6017 | regs->device = tf->device; | |
6018 | regs->command = tf->command; | |
6019 | regs->hob_feature = tf->hob_feature; | |
6020 | regs->hob_nsect = tf->hob_nsect; | |
6021 | regs->hob_lbal = tf->hob_lbal; | |
6022 | regs->hob_lbam = tf->hob_lbam; | |
6023 | regs->hob_lbah = tf->hob_lbah; | |
6024 | regs->ctl = tf->ctl; | |
6025 | } | |
6026 | ||
6027 | /** | |
6028 | * ipr_sata_done - done function for SATA commands | |
6029 | * @ipr_cmd: ipr command struct | |
6030 | * | |
6031 | * This function is invoked by the interrupt handler for | |
6032 | * ops generated by the SCSI mid-layer to SATA devices | |
6033 | * | |
6034 | * Return value: | |
6035 | * none | |
6036 | **/ | |
6037 | static void ipr_sata_done(struct ipr_cmnd *ipr_cmd) | |
6038 | { | |
6039 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
6040 | struct ata_queued_cmd *qc = ipr_cmd->qc; | |
6041 | struct ipr_sata_port *sata_port = qc->ap->private_data; | |
6042 | struct ipr_resource_entry *res = sata_port->res; | |
96d21f00 | 6043 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
35a39691 | 6044 | |
96d21f00 WB |
6045 | if (ipr_cmd->ioa_cfg->sis64) |
6046 | memcpy(&sata_port->ioasa, &ipr_cmd->s.ioasa64.u.gata, | |
6047 | sizeof(struct ipr_ioasa_gata)); | |
6048 | else | |
6049 | memcpy(&sata_port->ioasa, &ipr_cmd->s.ioasa.u.gata, | |
6050 | sizeof(struct ipr_ioasa_gata)); | |
35a39691 BK |
6051 | ipr_dump_ioasa(ioa_cfg, ipr_cmd, res); |
6052 | ||
96d21f00 | 6053 | if (be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc_specific) & IPR_ATA_DEVICE_WAS_RESET) |
3e7ebdfa | 6054 | scsi_report_device_reset(ioa_cfg->host, res->bus, res->target); |
35a39691 BK |
6055 | |
6056 | if (IPR_IOASC_SENSE_KEY(ioasc) > RECOVERED_ERROR) | |
96d21f00 | 6057 | qc->err_mask |= __ac_err_mask(sata_port->ioasa.status); |
35a39691 | 6058 | else |
96d21f00 | 6059 | qc->err_mask |= ac_err_mask(sata_port->ioasa.status); |
35a39691 BK |
6060 | list_add_tail(&ipr_cmd->queue, &ioa_cfg->free_q); |
6061 | ata_qc_complete(qc); | |
6062 | } | |
6063 | ||
a32c055f WB |
6064 | /** |
6065 | * ipr_build_ata_ioadl64 - Build an ATA scatter/gather list | |
6066 | * @ipr_cmd: ipr command struct | |
6067 | * @qc: ATA queued command | |
6068 | * | |
6069 | **/ | |
6070 | static void ipr_build_ata_ioadl64(struct ipr_cmnd *ipr_cmd, | |
6071 | struct ata_queued_cmd *qc) | |
6072 | { | |
6073 | u32 ioadl_flags = 0; | |
6074 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
6075 | struct ipr_ioadl64_desc *ioadl64 = ipr_cmd->i.ioadl64; | |
6076 | struct ipr_ioadl64_desc *last_ioadl64 = NULL; | |
6077 | int len = qc->nbytes; | |
6078 | struct scatterlist *sg; | |
6079 | unsigned int si; | |
6080 | dma_addr_t dma_addr = ipr_cmd->dma_addr; | |
6081 | ||
6082 | if (len == 0) | |
6083 | return; | |
6084 | ||
6085 | if (qc->dma_dir == DMA_TO_DEVICE) { | |
6086 | ioadl_flags = IPR_IOADL_FLAGS_WRITE; | |
6087 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ; | |
6088 | } else if (qc->dma_dir == DMA_FROM_DEVICE) | |
6089 | ioadl_flags = IPR_IOADL_FLAGS_READ; | |
6090 | ||
6091 | ioarcb->data_transfer_length = cpu_to_be32(len); | |
6092 | ioarcb->ioadl_len = | |
6093 | cpu_to_be32(sizeof(struct ipr_ioadl64_desc) * ipr_cmd->dma_use_sg); | |
6094 | ioarcb->u.sis64_addr_data.data_ioadl_addr = | |
6095 | cpu_to_be64(dma_addr + offsetof(struct ipr_cmnd, i.ata_ioadl)); | |
6096 | ||
6097 | for_each_sg(qc->sg, sg, qc->n_elem, si) { | |
6098 | ioadl64->flags = cpu_to_be32(ioadl_flags); | |
6099 | ioadl64->data_len = cpu_to_be32(sg_dma_len(sg)); | |
6100 | ioadl64->address = cpu_to_be64(sg_dma_address(sg)); | |
6101 | ||
6102 | last_ioadl64 = ioadl64; | |
6103 | ioadl64++; | |
6104 | } | |
6105 | ||
6106 | if (likely(last_ioadl64)) | |
6107 | last_ioadl64->flags |= cpu_to_be32(IPR_IOADL_FLAGS_LAST); | |
6108 | } | |
6109 | ||
35a39691 BK |
6110 | /** |
6111 | * ipr_build_ata_ioadl - Build an ATA scatter/gather list | |
6112 | * @ipr_cmd: ipr command struct | |
6113 | * @qc: ATA queued command | |
6114 | * | |
6115 | **/ | |
6116 | static void ipr_build_ata_ioadl(struct ipr_cmnd *ipr_cmd, | |
6117 | struct ata_queued_cmd *qc) | |
6118 | { | |
6119 | u32 ioadl_flags = 0; | |
6120 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
a32c055f | 6121 | struct ipr_ioadl_desc *ioadl = ipr_cmd->i.ioadl; |
3be6cbd7 | 6122 | struct ipr_ioadl_desc *last_ioadl = NULL; |
dde20207 | 6123 | int len = qc->nbytes; |
35a39691 | 6124 | struct scatterlist *sg; |
ff2aeb1e | 6125 | unsigned int si; |
35a39691 BK |
6126 | |
6127 | if (len == 0) | |
6128 | return; | |
6129 | ||
6130 | if (qc->dma_dir == DMA_TO_DEVICE) { | |
6131 | ioadl_flags = IPR_IOADL_FLAGS_WRITE; | |
6132 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ; | |
a32c055f WB |
6133 | ioarcb->data_transfer_length = cpu_to_be32(len); |
6134 | ioarcb->ioadl_len = | |
35a39691 BK |
6135 | cpu_to_be32(sizeof(struct ipr_ioadl_desc) * ipr_cmd->dma_use_sg); |
6136 | } else if (qc->dma_dir == DMA_FROM_DEVICE) { | |
6137 | ioadl_flags = IPR_IOADL_FLAGS_READ; | |
6138 | ioarcb->read_data_transfer_length = cpu_to_be32(len); | |
6139 | ioarcb->read_ioadl_len = | |
6140 | cpu_to_be32(sizeof(struct ipr_ioadl_desc) * ipr_cmd->dma_use_sg); | |
6141 | } | |
6142 | ||
ff2aeb1e | 6143 | for_each_sg(qc->sg, sg, qc->n_elem, si) { |
35a39691 BK |
6144 | ioadl->flags_and_data_len = cpu_to_be32(ioadl_flags | sg_dma_len(sg)); |
6145 | ioadl->address = cpu_to_be32(sg_dma_address(sg)); | |
3be6cbd7 JG |
6146 | |
6147 | last_ioadl = ioadl; | |
6148 | ioadl++; | |
35a39691 | 6149 | } |
3be6cbd7 JG |
6150 | |
6151 | if (likely(last_ioadl)) | |
6152 | last_ioadl->flags_and_data_len |= cpu_to_be32(IPR_IOADL_FLAGS_LAST); | |
35a39691 BK |
6153 | } |
6154 | ||
6155 | /** | |
6156 | * ipr_qc_issue - Issue a SATA qc to a device | |
6157 | * @qc: queued command | |
6158 | * | |
6159 | * Return value: | |
6160 | * 0 if success | |
6161 | **/ | |
6162 | static unsigned int ipr_qc_issue(struct ata_queued_cmd *qc) | |
6163 | { | |
6164 | struct ata_port *ap = qc->ap; | |
6165 | struct ipr_sata_port *sata_port = ap->private_data; | |
6166 | struct ipr_resource_entry *res = sata_port->res; | |
6167 | struct ipr_ioa_cfg *ioa_cfg = sata_port->ioa_cfg; | |
6168 | struct ipr_cmnd *ipr_cmd; | |
6169 | struct ipr_ioarcb *ioarcb; | |
6170 | struct ipr_ioarcb_ata_regs *regs; | |
6171 | ||
6172 | if (unlikely(!ioa_cfg->allow_cmds || ioa_cfg->ioa_is_dead)) | |
0feeed82 | 6173 | return AC_ERR_SYSTEM; |
35a39691 BK |
6174 | |
6175 | ipr_cmd = ipr_get_free_ipr_cmnd(ioa_cfg); | |
6176 | ioarcb = &ipr_cmd->ioarcb; | |
35a39691 | 6177 | |
a32c055f WB |
6178 | if (ioa_cfg->sis64) { |
6179 | regs = &ipr_cmd->i.ata_ioadl.regs; | |
6180 | ioarcb->add_cmd_parms_offset = cpu_to_be16(sizeof(*ioarcb)); | |
6181 | } else | |
6182 | regs = &ioarcb->u.add_data.u.regs; | |
6183 | ||
6184 | memset(regs, 0, sizeof(*regs)); | |
6185 | ioarcb->add_cmd_parms_len = cpu_to_be16(sizeof(*regs)); | |
35a39691 BK |
6186 | |
6187 | list_add_tail(&ipr_cmd->queue, &ioa_cfg->pending_q); | |
6188 | ipr_cmd->qc = qc; | |
6189 | ipr_cmd->done = ipr_sata_done; | |
3e7ebdfa | 6190 | ipr_cmd->ioarcb.res_handle = res->res_handle; |
35a39691 BK |
6191 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_ATA_PASSTHRU; |
6192 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_NO_LINK_DESC; | |
6193 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_NO_ULEN_CHK; | |
dde20207 | 6194 | ipr_cmd->dma_use_sg = qc->n_elem; |
35a39691 | 6195 | |
a32c055f WB |
6196 | if (ioa_cfg->sis64) |
6197 | ipr_build_ata_ioadl64(ipr_cmd, qc); | |
6198 | else | |
6199 | ipr_build_ata_ioadl(ipr_cmd, qc); | |
6200 | ||
35a39691 BK |
6201 | regs->flags |= IPR_ATA_FLAG_STATUS_ON_GOOD_COMPLETION; |
6202 | ipr_copy_sata_tf(regs, &qc->tf); | |
6203 | memcpy(ioarcb->cmd_pkt.cdb, qc->cdb, IPR_MAX_CDB_LEN); | |
3e7ebdfa | 6204 | ipr_trc_hook(ipr_cmd, IPR_TRACE_START, IPR_GET_RES_PHYS_LOC(res)); |
35a39691 BK |
6205 | |
6206 | switch (qc->tf.protocol) { | |
6207 | case ATA_PROT_NODATA: | |
6208 | case ATA_PROT_PIO: | |
6209 | break; | |
6210 | ||
6211 | case ATA_PROT_DMA: | |
6212 | regs->flags |= IPR_ATA_FLAG_XFER_TYPE_DMA; | |
6213 | break; | |
6214 | ||
0dc36888 TH |
6215 | case ATAPI_PROT_PIO: |
6216 | case ATAPI_PROT_NODATA: | |
35a39691 BK |
6217 | regs->flags |= IPR_ATA_FLAG_PACKET_CMD; |
6218 | break; | |
6219 | ||
0dc36888 | 6220 | case ATAPI_PROT_DMA: |
35a39691 BK |
6221 | regs->flags |= IPR_ATA_FLAG_PACKET_CMD; |
6222 | regs->flags |= IPR_ATA_FLAG_XFER_TYPE_DMA; | |
6223 | break; | |
6224 | ||
6225 | default: | |
6226 | WARN_ON(1); | |
0feeed82 | 6227 | return AC_ERR_INVALID; |
35a39691 BK |
6228 | } |
6229 | ||
6230 | mb(); | |
a32c055f WB |
6231 | |
6232 | ipr_send_command(ipr_cmd); | |
6233 | ||
35a39691 BK |
6234 | return 0; |
6235 | } | |
6236 | ||
4c9bf4e7 TH |
6237 | /** |
6238 | * ipr_qc_fill_rtf - Read result TF | |
6239 | * @qc: ATA queued command | |
6240 | * | |
6241 | * Return value: | |
6242 | * true | |
6243 | **/ | |
6244 | static bool ipr_qc_fill_rtf(struct ata_queued_cmd *qc) | |
6245 | { | |
6246 | struct ipr_sata_port *sata_port = qc->ap->private_data; | |
6247 | struct ipr_ioasa_gata *g = &sata_port->ioasa; | |
6248 | struct ata_taskfile *tf = &qc->result_tf; | |
6249 | ||
6250 | tf->feature = g->error; | |
6251 | tf->nsect = g->nsect; | |
6252 | tf->lbal = g->lbal; | |
6253 | tf->lbam = g->lbam; | |
6254 | tf->lbah = g->lbah; | |
6255 | tf->device = g->device; | |
6256 | tf->command = g->status; | |
6257 | tf->hob_nsect = g->hob_nsect; | |
6258 | tf->hob_lbal = g->hob_lbal; | |
6259 | tf->hob_lbam = g->hob_lbam; | |
6260 | tf->hob_lbah = g->hob_lbah; | |
6261 | tf->ctl = g->alt_status; | |
6262 | ||
6263 | return true; | |
6264 | } | |
6265 | ||
35a39691 | 6266 | static struct ata_port_operations ipr_sata_ops = { |
35a39691 | 6267 | .phy_reset = ipr_ata_phy_reset, |
a1efdaba | 6268 | .hardreset = ipr_sata_reset, |
35a39691 | 6269 | .post_internal_cmd = ipr_ata_post_internal, |
35a39691 BK |
6270 | .qc_prep = ata_noop_qc_prep, |
6271 | .qc_issue = ipr_qc_issue, | |
4c9bf4e7 | 6272 | .qc_fill_rtf = ipr_qc_fill_rtf, |
35a39691 BK |
6273 | .port_start = ata_sas_port_start, |
6274 | .port_stop = ata_sas_port_stop | |
6275 | }; | |
6276 | ||
6277 | static struct ata_port_info sata_port_info = { | |
9cbe056f | 6278 | .flags = ATA_FLAG_SATA | ATA_FLAG_PIO_DMA, |
0f2e0330 SS |
6279 | .pio_mask = ATA_PIO4_ONLY, |
6280 | .mwdma_mask = ATA_MWDMA2, | |
6281 | .udma_mask = ATA_UDMA6, | |
35a39691 BK |
6282 | .port_ops = &ipr_sata_ops |
6283 | }; | |
6284 | ||
1da177e4 LT |
6285 | #ifdef CONFIG_PPC_PSERIES |
6286 | static const u16 ipr_blocked_processors[] = { | |
6287 | PV_NORTHSTAR, | |
6288 | PV_PULSAR, | |
6289 | PV_POWER4, | |
6290 | PV_ICESTAR, | |
6291 | PV_SSTAR, | |
6292 | PV_POWER4p, | |
6293 | PV_630, | |
6294 | PV_630p | |
6295 | }; | |
6296 | ||
6297 | /** | |
6298 | * ipr_invalid_adapter - Determine if this adapter is supported on this hardware | |
6299 | * @ioa_cfg: ioa cfg struct | |
6300 | * | |
6301 | * Adapters that use Gemstone revision < 3.1 do not work reliably on | |
6302 | * certain pSeries hardware. This function determines if the given | |
6303 | * adapter is in one of these confgurations or not. | |
6304 | * | |
6305 | * Return value: | |
6306 | * 1 if adapter is not supported / 0 if adapter is supported | |
6307 | **/ | |
6308 | static int ipr_invalid_adapter(struct ipr_ioa_cfg *ioa_cfg) | |
6309 | { | |
1da177e4 LT |
6310 | int i; |
6311 | ||
44c10138 AK |
6312 | if ((ioa_cfg->type == 0x5702) && (ioa_cfg->pdev->revision < 4)) { |
6313 | for (i = 0; i < ARRAY_SIZE(ipr_blocked_processors); i++){ | |
6314 | if (__is_processor(ipr_blocked_processors[i])) | |
6315 | return 1; | |
1da177e4 LT |
6316 | } |
6317 | } | |
6318 | return 0; | |
6319 | } | |
6320 | #else | |
6321 | #define ipr_invalid_adapter(ioa_cfg) 0 | |
6322 | #endif | |
6323 | ||
6324 | /** | |
6325 | * ipr_ioa_bringdown_done - IOA bring down completion. | |
6326 | * @ipr_cmd: ipr command struct | |
6327 | * | |
6328 | * This function processes the completion of an adapter bring down. | |
6329 | * It wakes any reset sleepers. | |
6330 | * | |
6331 | * Return value: | |
6332 | * IPR_RC_JOB_RETURN | |
6333 | **/ | |
6334 | static int ipr_ioa_bringdown_done(struct ipr_cmnd *ipr_cmd) | |
6335 | { | |
6336 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
6337 | ||
6338 | ENTER; | |
6339 | ioa_cfg->in_reset_reload = 0; | |
6340 | ioa_cfg->reset_retries = 0; | |
6341 | list_add_tail(&ipr_cmd->queue, &ioa_cfg->free_q); | |
6342 | wake_up_all(&ioa_cfg->reset_wait_q); | |
6343 | ||
6344 | spin_unlock_irq(ioa_cfg->host->host_lock); | |
6345 | scsi_unblock_requests(ioa_cfg->host); | |
6346 | spin_lock_irq(ioa_cfg->host->host_lock); | |
6347 | LEAVE; | |
6348 | ||
6349 | return IPR_RC_JOB_RETURN; | |
6350 | } | |
6351 | ||
6352 | /** | |
6353 | * ipr_ioa_reset_done - IOA reset completion. | |
6354 | * @ipr_cmd: ipr command struct | |
6355 | * | |
6356 | * This function processes the completion of an adapter reset. | |
6357 | * It schedules any necessary mid-layer add/removes and | |
6358 | * wakes any reset sleepers. | |
6359 | * | |
6360 | * Return value: | |
6361 | * IPR_RC_JOB_RETURN | |
6362 | **/ | |
6363 | static int ipr_ioa_reset_done(struct ipr_cmnd *ipr_cmd) | |
6364 | { | |
6365 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
6366 | struct ipr_resource_entry *res; | |
6367 | struct ipr_hostrcb *hostrcb, *temp; | |
6368 | int i = 0; | |
6369 | ||
6370 | ENTER; | |
6371 | ioa_cfg->in_reset_reload = 0; | |
6372 | ioa_cfg->allow_cmds = 1; | |
6373 | ioa_cfg->reset_cmd = NULL; | |
3d1d0da6 | 6374 | ioa_cfg->doorbell |= IPR_RUNTIME_RESET; |
1da177e4 LT |
6375 | |
6376 | list_for_each_entry(res, &ioa_cfg->used_res_q, queue) { | |
6377 | if (ioa_cfg->allow_ml_add_del && (res->add_to_ml || res->del_from_ml)) { | |
6378 | ipr_trace; | |
6379 | break; | |
6380 | } | |
6381 | } | |
6382 | schedule_work(&ioa_cfg->work_q); | |
6383 | ||
6384 | list_for_each_entry_safe(hostrcb, temp, &ioa_cfg->hostrcb_free_q, queue) { | |
6385 | list_del(&hostrcb->queue); | |
6386 | if (i++ < IPR_NUM_LOG_HCAMS) | |
6387 | ipr_send_hcam(ioa_cfg, IPR_HCAM_CDB_OP_CODE_LOG_DATA, hostrcb); | |
6388 | else | |
6389 | ipr_send_hcam(ioa_cfg, IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE, hostrcb); | |
6390 | } | |
6391 | ||
6bb04170 | 6392 | scsi_report_bus_reset(ioa_cfg->host, IPR_VSET_BUS); |
1da177e4 LT |
6393 | dev_info(&ioa_cfg->pdev->dev, "IOA initialized.\n"); |
6394 | ||
6395 | ioa_cfg->reset_retries = 0; | |
6396 | list_add_tail(&ipr_cmd->queue, &ioa_cfg->free_q); | |
6397 | wake_up_all(&ioa_cfg->reset_wait_q); | |
6398 | ||
30237853 | 6399 | spin_unlock(ioa_cfg->host->host_lock); |
1da177e4 | 6400 | scsi_unblock_requests(ioa_cfg->host); |
30237853 | 6401 | spin_lock(ioa_cfg->host->host_lock); |
1da177e4 LT |
6402 | |
6403 | if (!ioa_cfg->allow_cmds) | |
6404 | scsi_block_requests(ioa_cfg->host); | |
6405 | ||
6406 | LEAVE; | |
6407 | return IPR_RC_JOB_RETURN; | |
6408 | } | |
6409 | ||
6410 | /** | |
6411 | * ipr_set_sup_dev_dflt - Initialize a Set Supported Device buffer | |
6412 | * @supported_dev: supported device struct | |
6413 | * @vpids: vendor product id struct | |
6414 | * | |
6415 | * Return value: | |
6416 | * none | |
6417 | **/ | |
6418 | static void ipr_set_sup_dev_dflt(struct ipr_supported_device *supported_dev, | |
6419 | struct ipr_std_inq_vpids *vpids) | |
6420 | { | |
6421 | memset(supported_dev, 0, sizeof(struct ipr_supported_device)); | |
6422 | memcpy(&supported_dev->vpids, vpids, sizeof(struct ipr_std_inq_vpids)); | |
6423 | supported_dev->num_records = 1; | |
6424 | supported_dev->data_length = | |
6425 | cpu_to_be16(sizeof(struct ipr_supported_device)); | |
6426 | supported_dev->reserved = 0; | |
6427 | } | |
6428 | ||
6429 | /** | |
6430 | * ipr_set_supported_devs - Send Set Supported Devices for a device | |
6431 | * @ipr_cmd: ipr command struct | |
6432 | * | |
a32c055f | 6433 | * This function sends a Set Supported Devices to the adapter |
1da177e4 LT |
6434 | * |
6435 | * Return value: | |
6436 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
6437 | **/ | |
6438 | static int ipr_set_supported_devs(struct ipr_cmnd *ipr_cmd) | |
6439 | { | |
6440 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
6441 | struct ipr_supported_device *supp_dev = &ioa_cfg->vpd_cbs->supp_dev; | |
1da177e4 LT |
6442 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; |
6443 | struct ipr_resource_entry *res = ipr_cmd->u.res; | |
6444 | ||
6445 | ipr_cmd->job_step = ipr_ioa_reset_done; | |
6446 | ||
6447 | list_for_each_entry_continue(res, &ioa_cfg->used_res_q, queue) { | |
e4fbf44e | 6448 | if (!ipr_is_scsi_disk(res)) |
1da177e4 LT |
6449 | continue; |
6450 | ||
6451 | ipr_cmd->u.res = res; | |
3e7ebdfa | 6452 | ipr_set_sup_dev_dflt(supp_dev, &res->std_inq_data.vpids); |
1da177e4 LT |
6453 | |
6454 | ioarcb->res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE); | |
6455 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ; | |
6456 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_IOACMD; | |
6457 | ||
6458 | ioarcb->cmd_pkt.cdb[0] = IPR_SET_SUPPORTED_DEVICES; | |
3e7ebdfa | 6459 | ioarcb->cmd_pkt.cdb[1] = IPR_SET_ALL_SUPPORTED_DEVICES; |
1da177e4 LT |
6460 | ioarcb->cmd_pkt.cdb[7] = (sizeof(struct ipr_supported_device) >> 8) & 0xff; |
6461 | ioarcb->cmd_pkt.cdb[8] = sizeof(struct ipr_supported_device) & 0xff; | |
6462 | ||
a32c055f WB |
6463 | ipr_init_ioadl(ipr_cmd, |
6464 | ioa_cfg->vpd_cbs_dma + | |
6465 | offsetof(struct ipr_misc_cbs, supp_dev), | |
6466 | sizeof(struct ipr_supported_device), | |
6467 | IPR_IOADL_FLAGS_WRITE_LAST); | |
1da177e4 LT |
6468 | |
6469 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, | |
6470 | IPR_SET_SUP_DEVICE_TIMEOUT); | |
6471 | ||
3e7ebdfa WB |
6472 | if (!ioa_cfg->sis64) |
6473 | ipr_cmd->job_step = ipr_set_supported_devs; | |
1da177e4 LT |
6474 | return IPR_RC_JOB_RETURN; |
6475 | } | |
6476 | ||
6477 | return IPR_RC_JOB_CONTINUE; | |
6478 | } | |
6479 | ||
6480 | /** | |
6481 | * ipr_get_mode_page - Locate specified mode page | |
6482 | * @mode_pages: mode page buffer | |
6483 | * @page_code: page code to find | |
6484 | * @len: minimum required length for mode page | |
6485 | * | |
6486 | * Return value: | |
6487 | * pointer to mode page / NULL on failure | |
6488 | **/ | |
6489 | static void *ipr_get_mode_page(struct ipr_mode_pages *mode_pages, | |
6490 | u32 page_code, u32 len) | |
6491 | { | |
6492 | struct ipr_mode_page_hdr *mode_hdr; | |
6493 | u32 page_length; | |
6494 | u32 length; | |
6495 | ||
6496 | if (!mode_pages || (mode_pages->hdr.length == 0)) | |
6497 | return NULL; | |
6498 | ||
6499 | length = (mode_pages->hdr.length + 1) - 4 - mode_pages->hdr.block_desc_len; | |
6500 | mode_hdr = (struct ipr_mode_page_hdr *) | |
6501 | (mode_pages->data + mode_pages->hdr.block_desc_len); | |
6502 | ||
6503 | while (length) { | |
6504 | if (IPR_GET_MODE_PAGE_CODE(mode_hdr) == page_code) { | |
6505 | if (mode_hdr->page_length >= (len - sizeof(struct ipr_mode_page_hdr))) | |
6506 | return mode_hdr; | |
6507 | break; | |
6508 | } else { | |
6509 | page_length = (sizeof(struct ipr_mode_page_hdr) + | |
6510 | mode_hdr->page_length); | |
6511 | length -= page_length; | |
6512 | mode_hdr = (struct ipr_mode_page_hdr *) | |
6513 | ((unsigned long)mode_hdr + page_length); | |
6514 | } | |
6515 | } | |
6516 | return NULL; | |
6517 | } | |
6518 | ||
6519 | /** | |
6520 | * ipr_check_term_power - Check for term power errors | |
6521 | * @ioa_cfg: ioa config struct | |
6522 | * @mode_pages: IOAFP mode pages buffer | |
6523 | * | |
6524 | * Check the IOAFP's mode page 28 for term power errors | |
6525 | * | |
6526 | * Return value: | |
6527 | * nothing | |
6528 | **/ | |
6529 | static void ipr_check_term_power(struct ipr_ioa_cfg *ioa_cfg, | |
6530 | struct ipr_mode_pages *mode_pages) | |
6531 | { | |
6532 | int i; | |
6533 | int entry_length; | |
6534 | struct ipr_dev_bus_entry *bus; | |
6535 | struct ipr_mode_page28 *mode_page; | |
6536 | ||
6537 | mode_page = ipr_get_mode_page(mode_pages, 0x28, | |
6538 | sizeof(struct ipr_mode_page28)); | |
6539 | ||
6540 | entry_length = mode_page->entry_length; | |
6541 | ||
6542 | bus = mode_page->bus; | |
6543 | ||
6544 | for (i = 0; i < mode_page->num_entries; i++) { | |
6545 | if (bus->flags & IPR_SCSI_ATTR_NO_TERM_PWR) { | |
6546 | dev_err(&ioa_cfg->pdev->dev, | |
6547 | "Term power is absent on scsi bus %d\n", | |
6548 | bus->res_addr.bus); | |
6549 | } | |
6550 | ||
6551 | bus = (struct ipr_dev_bus_entry *)((char *)bus + entry_length); | |
6552 | } | |
6553 | } | |
6554 | ||
6555 | /** | |
6556 | * ipr_scsi_bus_speed_limit - Limit the SCSI speed based on SES table | |
6557 | * @ioa_cfg: ioa config struct | |
6558 | * | |
6559 | * Looks through the config table checking for SES devices. If | |
6560 | * the SES device is in the SES table indicating a maximum SCSI | |
6561 | * bus speed, the speed is limited for the bus. | |
6562 | * | |
6563 | * Return value: | |
6564 | * none | |
6565 | **/ | |
6566 | static void ipr_scsi_bus_speed_limit(struct ipr_ioa_cfg *ioa_cfg) | |
6567 | { | |
6568 | u32 max_xfer_rate; | |
6569 | int i; | |
6570 | ||
6571 | for (i = 0; i < IPR_MAX_NUM_BUSES; i++) { | |
6572 | max_xfer_rate = ipr_get_max_scsi_speed(ioa_cfg, i, | |
6573 | ioa_cfg->bus_attr[i].bus_width); | |
6574 | ||
6575 | if (max_xfer_rate < ioa_cfg->bus_attr[i].max_xfer_rate) | |
6576 | ioa_cfg->bus_attr[i].max_xfer_rate = max_xfer_rate; | |
6577 | } | |
6578 | } | |
6579 | ||
6580 | /** | |
6581 | * ipr_modify_ioafp_mode_page_28 - Modify IOAFP Mode Page 28 | |
6582 | * @ioa_cfg: ioa config struct | |
6583 | * @mode_pages: mode page 28 buffer | |
6584 | * | |
6585 | * Updates mode page 28 based on driver configuration | |
6586 | * | |
6587 | * Return value: | |
6588 | * none | |
6589 | **/ | |
6590 | static void ipr_modify_ioafp_mode_page_28(struct ipr_ioa_cfg *ioa_cfg, | |
6591 | struct ipr_mode_pages *mode_pages) | |
6592 | { | |
6593 | int i, entry_length; | |
6594 | struct ipr_dev_bus_entry *bus; | |
6595 | struct ipr_bus_attributes *bus_attr; | |
6596 | struct ipr_mode_page28 *mode_page; | |
6597 | ||
6598 | mode_page = ipr_get_mode_page(mode_pages, 0x28, | |
6599 | sizeof(struct ipr_mode_page28)); | |
6600 | ||
6601 | entry_length = mode_page->entry_length; | |
6602 | ||
6603 | /* Loop for each device bus entry */ | |
6604 | for (i = 0, bus = mode_page->bus; | |
6605 | i < mode_page->num_entries; | |
6606 | i++, bus = (struct ipr_dev_bus_entry *)((u8 *)bus + entry_length)) { | |
6607 | if (bus->res_addr.bus > IPR_MAX_NUM_BUSES) { | |
6608 | dev_err(&ioa_cfg->pdev->dev, | |
6609 | "Invalid resource address reported: 0x%08X\n", | |
6610 | IPR_GET_PHYS_LOC(bus->res_addr)); | |
6611 | continue; | |
6612 | } | |
6613 | ||
6614 | bus_attr = &ioa_cfg->bus_attr[i]; | |
6615 | bus->extended_reset_delay = IPR_EXTENDED_RESET_DELAY; | |
6616 | bus->bus_width = bus_attr->bus_width; | |
6617 | bus->max_xfer_rate = cpu_to_be32(bus_attr->max_xfer_rate); | |
6618 | bus->flags &= ~IPR_SCSI_ATTR_QAS_MASK; | |
6619 | if (bus_attr->qas_enabled) | |
6620 | bus->flags |= IPR_SCSI_ATTR_ENABLE_QAS; | |
6621 | else | |
6622 | bus->flags |= IPR_SCSI_ATTR_DISABLE_QAS; | |
6623 | } | |
6624 | } | |
6625 | ||
6626 | /** | |
6627 | * ipr_build_mode_select - Build a mode select command | |
6628 | * @ipr_cmd: ipr command struct | |
6629 | * @res_handle: resource handle to send command to | |
6630 | * @parm: Byte 2 of Mode Sense command | |
6631 | * @dma_addr: DMA buffer address | |
6632 | * @xfer_len: data transfer length | |
6633 | * | |
6634 | * Return value: | |
6635 | * none | |
6636 | **/ | |
6637 | static void ipr_build_mode_select(struct ipr_cmnd *ipr_cmd, | |
a32c055f WB |
6638 | __be32 res_handle, u8 parm, |
6639 | dma_addr_t dma_addr, u8 xfer_len) | |
1da177e4 | 6640 | { |
1da177e4 LT |
6641 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; |
6642 | ||
6643 | ioarcb->res_handle = res_handle; | |
6644 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_SCSICDB; | |
6645 | ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ; | |
6646 | ioarcb->cmd_pkt.cdb[0] = MODE_SELECT; | |
6647 | ioarcb->cmd_pkt.cdb[1] = parm; | |
6648 | ioarcb->cmd_pkt.cdb[4] = xfer_len; | |
6649 | ||
a32c055f | 6650 | ipr_init_ioadl(ipr_cmd, dma_addr, xfer_len, IPR_IOADL_FLAGS_WRITE_LAST); |
1da177e4 LT |
6651 | } |
6652 | ||
6653 | /** | |
6654 | * ipr_ioafp_mode_select_page28 - Issue Mode Select Page 28 to IOA | |
6655 | * @ipr_cmd: ipr command struct | |
6656 | * | |
6657 | * This function sets up the SCSI bus attributes and sends | |
6658 | * a Mode Select for Page 28 to activate them. | |
6659 | * | |
6660 | * Return value: | |
6661 | * IPR_RC_JOB_RETURN | |
6662 | **/ | |
6663 | static int ipr_ioafp_mode_select_page28(struct ipr_cmnd *ipr_cmd) | |
6664 | { | |
6665 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
6666 | struct ipr_mode_pages *mode_pages = &ioa_cfg->vpd_cbs->mode_pages; | |
6667 | int length; | |
6668 | ||
6669 | ENTER; | |
4733804c BK |
6670 | ipr_scsi_bus_speed_limit(ioa_cfg); |
6671 | ipr_check_term_power(ioa_cfg, mode_pages); | |
6672 | ipr_modify_ioafp_mode_page_28(ioa_cfg, mode_pages); | |
6673 | length = mode_pages->hdr.length + 1; | |
6674 | mode_pages->hdr.length = 0; | |
1da177e4 LT |
6675 | |
6676 | ipr_build_mode_select(ipr_cmd, cpu_to_be32(IPR_IOA_RES_HANDLE), 0x11, | |
6677 | ioa_cfg->vpd_cbs_dma + offsetof(struct ipr_misc_cbs, mode_pages), | |
6678 | length); | |
6679 | ||
f72919ec WB |
6680 | ipr_cmd->job_step = ipr_set_supported_devs; |
6681 | ipr_cmd->u.res = list_entry(ioa_cfg->used_res_q.next, | |
6682 | struct ipr_resource_entry, queue); | |
1da177e4 LT |
6683 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, IPR_INTERNAL_TIMEOUT); |
6684 | ||
6685 | LEAVE; | |
6686 | return IPR_RC_JOB_RETURN; | |
6687 | } | |
6688 | ||
6689 | /** | |
6690 | * ipr_build_mode_sense - Builds a mode sense command | |
6691 | * @ipr_cmd: ipr command struct | |
6692 | * @res: resource entry struct | |
6693 | * @parm: Byte 2 of mode sense command | |
6694 | * @dma_addr: DMA address of mode sense buffer | |
6695 | * @xfer_len: Size of DMA buffer | |
6696 | * | |
6697 | * Return value: | |
6698 | * none | |
6699 | **/ | |
6700 | static void ipr_build_mode_sense(struct ipr_cmnd *ipr_cmd, | |
6701 | __be32 res_handle, | |
a32c055f | 6702 | u8 parm, dma_addr_t dma_addr, u8 xfer_len) |
1da177e4 | 6703 | { |
1da177e4 LT |
6704 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; |
6705 | ||
6706 | ioarcb->res_handle = res_handle; | |
6707 | ioarcb->cmd_pkt.cdb[0] = MODE_SENSE; | |
6708 | ioarcb->cmd_pkt.cdb[2] = parm; | |
6709 | ioarcb->cmd_pkt.cdb[4] = xfer_len; | |
6710 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_SCSICDB; | |
6711 | ||
a32c055f | 6712 | ipr_init_ioadl(ipr_cmd, dma_addr, xfer_len, IPR_IOADL_FLAGS_READ_LAST); |
1da177e4 LT |
6713 | } |
6714 | ||
dfed823e BK |
6715 | /** |
6716 | * ipr_reset_cmd_failed - Handle failure of IOA reset command | |
6717 | * @ipr_cmd: ipr command struct | |
6718 | * | |
6719 | * This function handles the failure of an IOA bringup command. | |
6720 | * | |
6721 | * Return value: | |
6722 | * IPR_RC_JOB_RETURN | |
6723 | **/ | |
6724 | static int ipr_reset_cmd_failed(struct ipr_cmnd *ipr_cmd) | |
6725 | { | |
6726 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
96d21f00 | 6727 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
dfed823e BK |
6728 | |
6729 | dev_err(&ioa_cfg->pdev->dev, | |
6730 | "0x%02X failed with IOASC: 0x%08X\n", | |
6731 | ipr_cmd->ioarcb.cmd_pkt.cdb[0], ioasc); | |
6732 | ||
6733 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); | |
6734 | list_add_tail(&ipr_cmd->queue, &ioa_cfg->free_q); | |
6735 | return IPR_RC_JOB_RETURN; | |
6736 | } | |
6737 | ||
6738 | /** | |
6739 | * ipr_reset_mode_sense_failed - Handle failure of IOAFP mode sense | |
6740 | * @ipr_cmd: ipr command struct | |
6741 | * | |
6742 | * This function handles the failure of a Mode Sense to the IOAFP. | |
6743 | * Some adapters do not handle all mode pages. | |
6744 | * | |
6745 | * Return value: | |
6746 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
6747 | **/ | |
6748 | static int ipr_reset_mode_sense_failed(struct ipr_cmnd *ipr_cmd) | |
6749 | { | |
f72919ec | 6750 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; |
96d21f00 | 6751 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
dfed823e BK |
6752 | |
6753 | if (ioasc == IPR_IOASC_IR_INVALID_REQ_TYPE_OR_PKT) { | |
f72919ec WB |
6754 | ipr_cmd->job_step = ipr_set_supported_devs; |
6755 | ipr_cmd->u.res = list_entry(ioa_cfg->used_res_q.next, | |
6756 | struct ipr_resource_entry, queue); | |
dfed823e BK |
6757 | return IPR_RC_JOB_CONTINUE; |
6758 | } | |
6759 | ||
6760 | return ipr_reset_cmd_failed(ipr_cmd); | |
6761 | } | |
6762 | ||
1da177e4 LT |
6763 | /** |
6764 | * ipr_ioafp_mode_sense_page28 - Issue Mode Sense Page 28 to IOA | |
6765 | * @ipr_cmd: ipr command struct | |
6766 | * | |
6767 | * This function send a Page 28 mode sense to the IOA to | |
6768 | * retrieve SCSI bus attributes. | |
6769 | * | |
6770 | * Return value: | |
6771 | * IPR_RC_JOB_RETURN | |
6772 | **/ | |
6773 | static int ipr_ioafp_mode_sense_page28(struct ipr_cmnd *ipr_cmd) | |
6774 | { | |
6775 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
6776 | ||
6777 | ENTER; | |
6778 | ipr_build_mode_sense(ipr_cmd, cpu_to_be32(IPR_IOA_RES_HANDLE), | |
6779 | 0x28, ioa_cfg->vpd_cbs_dma + | |
6780 | offsetof(struct ipr_misc_cbs, mode_pages), | |
6781 | sizeof(struct ipr_mode_pages)); | |
6782 | ||
6783 | ipr_cmd->job_step = ipr_ioafp_mode_select_page28; | |
dfed823e | 6784 | ipr_cmd->job_step_failed = ipr_reset_mode_sense_failed; |
1da177e4 LT |
6785 | |
6786 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, IPR_INTERNAL_TIMEOUT); | |
6787 | ||
6788 | LEAVE; | |
6789 | return IPR_RC_JOB_RETURN; | |
6790 | } | |
6791 | ||
ac09c349 BK |
6792 | /** |
6793 | * ipr_ioafp_mode_select_page24 - Issue Mode Select to IOA | |
6794 | * @ipr_cmd: ipr command struct | |
6795 | * | |
6796 | * This function enables dual IOA RAID support if possible. | |
6797 | * | |
6798 | * Return value: | |
6799 | * IPR_RC_JOB_RETURN | |
6800 | **/ | |
6801 | static int ipr_ioafp_mode_select_page24(struct ipr_cmnd *ipr_cmd) | |
6802 | { | |
6803 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
6804 | struct ipr_mode_pages *mode_pages = &ioa_cfg->vpd_cbs->mode_pages; | |
6805 | struct ipr_mode_page24 *mode_page; | |
6806 | int length; | |
6807 | ||
6808 | ENTER; | |
6809 | mode_page = ipr_get_mode_page(mode_pages, 0x24, | |
6810 | sizeof(struct ipr_mode_page24)); | |
6811 | ||
6812 | if (mode_page) | |
6813 | mode_page->flags |= IPR_ENABLE_DUAL_IOA_AF; | |
6814 | ||
6815 | length = mode_pages->hdr.length + 1; | |
6816 | mode_pages->hdr.length = 0; | |
6817 | ||
6818 | ipr_build_mode_select(ipr_cmd, cpu_to_be32(IPR_IOA_RES_HANDLE), 0x11, | |
6819 | ioa_cfg->vpd_cbs_dma + offsetof(struct ipr_misc_cbs, mode_pages), | |
6820 | length); | |
6821 | ||
6822 | ipr_cmd->job_step = ipr_ioafp_mode_sense_page28; | |
6823 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, IPR_INTERNAL_TIMEOUT); | |
6824 | ||
6825 | LEAVE; | |
6826 | return IPR_RC_JOB_RETURN; | |
6827 | } | |
6828 | ||
6829 | /** | |
6830 | * ipr_reset_mode_sense_page24_failed - Handle failure of IOAFP mode sense | |
6831 | * @ipr_cmd: ipr command struct | |
6832 | * | |
6833 | * This function handles the failure of a Mode Sense to the IOAFP. | |
6834 | * Some adapters do not handle all mode pages. | |
6835 | * | |
6836 | * Return value: | |
6837 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
6838 | **/ | |
6839 | static int ipr_reset_mode_sense_page24_failed(struct ipr_cmnd *ipr_cmd) | |
6840 | { | |
96d21f00 | 6841 | u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
ac09c349 BK |
6842 | |
6843 | if (ioasc == IPR_IOASC_IR_INVALID_REQ_TYPE_OR_PKT) { | |
6844 | ipr_cmd->job_step = ipr_ioafp_mode_sense_page28; | |
6845 | return IPR_RC_JOB_CONTINUE; | |
6846 | } | |
6847 | ||
6848 | return ipr_reset_cmd_failed(ipr_cmd); | |
6849 | } | |
6850 | ||
6851 | /** | |
6852 | * ipr_ioafp_mode_sense_page24 - Issue Page 24 Mode Sense to IOA | |
6853 | * @ipr_cmd: ipr command struct | |
6854 | * | |
6855 | * This function send a mode sense to the IOA to retrieve | |
6856 | * the IOA Advanced Function Control mode page. | |
6857 | * | |
6858 | * Return value: | |
6859 | * IPR_RC_JOB_RETURN | |
6860 | **/ | |
6861 | static int ipr_ioafp_mode_sense_page24(struct ipr_cmnd *ipr_cmd) | |
6862 | { | |
6863 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
6864 | ||
6865 | ENTER; | |
6866 | ipr_build_mode_sense(ipr_cmd, cpu_to_be32(IPR_IOA_RES_HANDLE), | |
6867 | 0x24, ioa_cfg->vpd_cbs_dma + | |
6868 | offsetof(struct ipr_misc_cbs, mode_pages), | |
6869 | sizeof(struct ipr_mode_pages)); | |
6870 | ||
6871 | ipr_cmd->job_step = ipr_ioafp_mode_select_page24; | |
6872 | ipr_cmd->job_step_failed = ipr_reset_mode_sense_page24_failed; | |
6873 | ||
6874 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, IPR_INTERNAL_TIMEOUT); | |
6875 | ||
6876 | LEAVE; | |
6877 | return IPR_RC_JOB_RETURN; | |
6878 | } | |
6879 | ||
1da177e4 LT |
6880 | /** |
6881 | * ipr_init_res_table - Initialize the resource table | |
6882 | * @ipr_cmd: ipr command struct | |
6883 | * | |
6884 | * This function looks through the existing resource table, comparing | |
6885 | * it with the config table. This function will take care of old/new | |
6886 | * devices and schedule adding/removing them from the mid-layer | |
6887 | * as appropriate. | |
6888 | * | |
6889 | * Return value: | |
6890 | * IPR_RC_JOB_CONTINUE | |
6891 | **/ | |
6892 | static int ipr_init_res_table(struct ipr_cmnd *ipr_cmd) | |
6893 | { | |
6894 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
6895 | struct ipr_resource_entry *res, *temp; | |
3e7ebdfa WB |
6896 | struct ipr_config_table_entry_wrapper cfgtew; |
6897 | int entries, found, flag, i; | |
1da177e4 LT |
6898 | LIST_HEAD(old_res); |
6899 | ||
6900 | ENTER; | |
3e7ebdfa WB |
6901 | if (ioa_cfg->sis64) |
6902 | flag = ioa_cfg->u.cfg_table64->hdr64.flags; | |
6903 | else | |
6904 | flag = ioa_cfg->u.cfg_table->hdr.flags; | |
6905 | ||
6906 | if (flag & IPR_UCODE_DOWNLOAD_REQ) | |
1da177e4 LT |
6907 | dev_err(&ioa_cfg->pdev->dev, "Microcode download required\n"); |
6908 | ||
6909 | list_for_each_entry_safe(res, temp, &ioa_cfg->used_res_q, queue) | |
6910 | list_move_tail(&res->queue, &old_res); | |
6911 | ||
3e7ebdfa | 6912 | if (ioa_cfg->sis64) |
438b0331 | 6913 | entries = be16_to_cpu(ioa_cfg->u.cfg_table64->hdr64.num_entries); |
3e7ebdfa WB |
6914 | else |
6915 | entries = ioa_cfg->u.cfg_table->hdr.num_entries; | |
6916 | ||
6917 | for (i = 0; i < entries; i++) { | |
6918 | if (ioa_cfg->sis64) | |
6919 | cfgtew.u.cfgte64 = &ioa_cfg->u.cfg_table64->dev[i]; | |
6920 | else | |
6921 | cfgtew.u.cfgte = &ioa_cfg->u.cfg_table->dev[i]; | |
1da177e4 LT |
6922 | found = 0; |
6923 | ||
6924 | list_for_each_entry_safe(res, temp, &old_res, queue) { | |
3e7ebdfa | 6925 | if (ipr_is_same_device(res, &cfgtew)) { |
1da177e4 LT |
6926 | list_move_tail(&res->queue, &ioa_cfg->used_res_q); |
6927 | found = 1; | |
6928 | break; | |
6929 | } | |
6930 | } | |
6931 | ||
6932 | if (!found) { | |
6933 | if (list_empty(&ioa_cfg->free_res_q)) { | |
6934 | dev_err(&ioa_cfg->pdev->dev, "Too many devices attached\n"); | |
6935 | break; | |
6936 | } | |
6937 | ||
6938 | found = 1; | |
6939 | res = list_entry(ioa_cfg->free_res_q.next, | |
6940 | struct ipr_resource_entry, queue); | |
6941 | list_move_tail(&res->queue, &ioa_cfg->used_res_q); | |
3e7ebdfa | 6942 | ipr_init_res_entry(res, &cfgtew); |
1da177e4 | 6943 | res->add_to_ml = 1; |
56115598 WB |
6944 | } else if (res->sdev && (ipr_is_vset_device(res) || ipr_is_scsi_disk(res))) |
6945 | res->sdev->allow_restart = 1; | |
1da177e4 LT |
6946 | |
6947 | if (found) | |
3e7ebdfa | 6948 | ipr_update_res_entry(res, &cfgtew); |
1da177e4 LT |
6949 | } |
6950 | ||
6951 | list_for_each_entry_safe(res, temp, &old_res, queue) { | |
6952 | if (res->sdev) { | |
6953 | res->del_from_ml = 1; | |
3e7ebdfa | 6954 | res->res_handle = IPR_INVALID_RES_HANDLE; |
1da177e4 | 6955 | list_move_tail(&res->queue, &ioa_cfg->used_res_q); |
1da177e4 LT |
6956 | } |
6957 | } | |
6958 | ||
3e7ebdfa WB |
6959 | list_for_each_entry_safe(res, temp, &old_res, queue) { |
6960 | ipr_clear_res_target(res); | |
6961 | list_move_tail(&res->queue, &ioa_cfg->free_res_q); | |
6962 | } | |
6963 | ||
ac09c349 BK |
6964 | if (ioa_cfg->dual_raid && ipr_dual_ioa_raid) |
6965 | ipr_cmd->job_step = ipr_ioafp_mode_sense_page24; | |
6966 | else | |
6967 | ipr_cmd->job_step = ipr_ioafp_mode_sense_page28; | |
1da177e4 LT |
6968 | |
6969 | LEAVE; | |
6970 | return IPR_RC_JOB_CONTINUE; | |
6971 | } | |
6972 | ||
6973 | /** | |
6974 | * ipr_ioafp_query_ioa_cfg - Send a Query IOA Config to the adapter. | |
6975 | * @ipr_cmd: ipr command struct | |
6976 | * | |
6977 | * This function sends a Query IOA Configuration command | |
6978 | * to the adapter to retrieve the IOA configuration table. | |
6979 | * | |
6980 | * Return value: | |
6981 | * IPR_RC_JOB_RETURN | |
6982 | **/ | |
6983 | static int ipr_ioafp_query_ioa_cfg(struct ipr_cmnd *ipr_cmd) | |
6984 | { | |
6985 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
6986 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
1da177e4 | 6987 | struct ipr_inquiry_page3 *ucode_vpd = &ioa_cfg->vpd_cbs->page3_data; |
ac09c349 | 6988 | struct ipr_inquiry_cap *cap = &ioa_cfg->vpd_cbs->cap; |
1da177e4 LT |
6989 | |
6990 | ENTER; | |
ac09c349 BK |
6991 | if (cap->cap & IPR_CAP_DUAL_IOA_RAID) |
6992 | ioa_cfg->dual_raid = 1; | |
1da177e4 LT |
6993 | dev_info(&ioa_cfg->pdev->dev, "Adapter firmware version: %02X%02X%02X%02X\n", |
6994 | ucode_vpd->major_release, ucode_vpd->card_type, | |
6995 | ucode_vpd->minor_release[0], ucode_vpd->minor_release[1]); | |
6996 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_IOACMD; | |
6997 | ioarcb->res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE); | |
6998 | ||
6999 | ioarcb->cmd_pkt.cdb[0] = IPR_QUERY_IOA_CONFIG; | |
438b0331 | 7000 | ioarcb->cmd_pkt.cdb[6] = (ioa_cfg->cfg_table_size >> 16) & 0xff; |
3e7ebdfa WB |
7001 | ioarcb->cmd_pkt.cdb[7] = (ioa_cfg->cfg_table_size >> 8) & 0xff; |
7002 | ioarcb->cmd_pkt.cdb[8] = ioa_cfg->cfg_table_size & 0xff; | |
1da177e4 | 7003 | |
3e7ebdfa | 7004 | ipr_init_ioadl(ipr_cmd, ioa_cfg->cfg_table_dma, ioa_cfg->cfg_table_size, |
a32c055f | 7005 | IPR_IOADL_FLAGS_READ_LAST); |
1da177e4 LT |
7006 | |
7007 | ipr_cmd->job_step = ipr_init_res_table; | |
7008 | ||
7009 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, IPR_INTERNAL_TIMEOUT); | |
7010 | ||
7011 | LEAVE; | |
7012 | return IPR_RC_JOB_RETURN; | |
7013 | } | |
7014 | ||
7015 | /** | |
7016 | * ipr_ioafp_inquiry - Send an Inquiry to the adapter. | |
7017 | * @ipr_cmd: ipr command struct | |
7018 | * | |
7019 | * This utility function sends an inquiry to the adapter. | |
7020 | * | |
7021 | * Return value: | |
7022 | * none | |
7023 | **/ | |
7024 | static void ipr_ioafp_inquiry(struct ipr_cmnd *ipr_cmd, u8 flags, u8 page, | |
a32c055f | 7025 | dma_addr_t dma_addr, u8 xfer_len) |
1da177e4 LT |
7026 | { |
7027 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
1da177e4 LT |
7028 | |
7029 | ENTER; | |
7030 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_SCSICDB; | |
7031 | ioarcb->res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE); | |
7032 | ||
7033 | ioarcb->cmd_pkt.cdb[0] = INQUIRY; | |
7034 | ioarcb->cmd_pkt.cdb[1] = flags; | |
7035 | ioarcb->cmd_pkt.cdb[2] = page; | |
7036 | ioarcb->cmd_pkt.cdb[4] = xfer_len; | |
7037 | ||
a32c055f | 7038 | ipr_init_ioadl(ipr_cmd, dma_addr, xfer_len, IPR_IOADL_FLAGS_READ_LAST); |
1da177e4 LT |
7039 | |
7040 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, IPR_INTERNAL_TIMEOUT); | |
7041 | LEAVE; | |
7042 | } | |
7043 | ||
62275040 BK |
7044 | /** |
7045 | * ipr_inquiry_page_supported - Is the given inquiry page supported | |
7046 | * @page0: inquiry page 0 buffer | |
7047 | * @page: page code. | |
7048 | * | |
7049 | * This function determines if the specified inquiry page is supported. | |
7050 | * | |
7051 | * Return value: | |
7052 | * 1 if page is supported / 0 if not | |
7053 | **/ | |
7054 | static int ipr_inquiry_page_supported(struct ipr_inquiry_page0 *page0, u8 page) | |
7055 | { | |
7056 | int i; | |
7057 | ||
7058 | for (i = 0; i < min_t(u8, page0->len, IPR_INQUIRY_PAGE0_ENTRIES); i++) | |
7059 | if (page0->page[i] == page) | |
7060 | return 1; | |
7061 | ||
7062 | return 0; | |
7063 | } | |
7064 | ||
ac09c349 BK |
7065 | /** |
7066 | * ipr_ioafp_cap_inquiry - Send a Page 0xD0 Inquiry to the adapter. | |
7067 | * @ipr_cmd: ipr command struct | |
7068 | * | |
7069 | * This function sends a Page 0xD0 inquiry to the adapter | |
7070 | * to retrieve adapter capabilities. | |
7071 | * | |
7072 | * Return value: | |
7073 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
7074 | **/ | |
7075 | static int ipr_ioafp_cap_inquiry(struct ipr_cmnd *ipr_cmd) | |
7076 | { | |
7077 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7078 | struct ipr_inquiry_page0 *page0 = &ioa_cfg->vpd_cbs->page0_data; | |
7079 | struct ipr_inquiry_cap *cap = &ioa_cfg->vpd_cbs->cap; | |
7080 | ||
7081 | ENTER; | |
7082 | ipr_cmd->job_step = ipr_ioafp_query_ioa_cfg; | |
7083 | memset(cap, 0, sizeof(*cap)); | |
7084 | ||
7085 | if (ipr_inquiry_page_supported(page0, 0xD0)) { | |
7086 | ipr_ioafp_inquiry(ipr_cmd, 1, 0xD0, | |
7087 | ioa_cfg->vpd_cbs_dma + offsetof(struct ipr_misc_cbs, cap), | |
7088 | sizeof(struct ipr_inquiry_cap)); | |
7089 | return IPR_RC_JOB_RETURN; | |
7090 | } | |
7091 | ||
7092 | LEAVE; | |
7093 | return IPR_RC_JOB_CONTINUE; | |
7094 | } | |
7095 | ||
1da177e4 LT |
7096 | /** |
7097 | * ipr_ioafp_page3_inquiry - Send a Page 3 Inquiry to the adapter. | |
7098 | * @ipr_cmd: ipr command struct | |
7099 | * | |
7100 | * This function sends a Page 3 inquiry to the adapter | |
7101 | * to retrieve software VPD information. | |
7102 | * | |
7103 | * Return value: | |
7104 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
7105 | **/ | |
7106 | static int ipr_ioafp_page3_inquiry(struct ipr_cmnd *ipr_cmd) | |
62275040 BK |
7107 | { |
7108 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
62275040 BK |
7109 | |
7110 | ENTER; | |
7111 | ||
ac09c349 | 7112 | ipr_cmd->job_step = ipr_ioafp_cap_inquiry; |
62275040 BK |
7113 | |
7114 | ipr_ioafp_inquiry(ipr_cmd, 1, 3, | |
7115 | ioa_cfg->vpd_cbs_dma + offsetof(struct ipr_misc_cbs, page3_data), | |
7116 | sizeof(struct ipr_inquiry_page3)); | |
7117 | ||
7118 | LEAVE; | |
7119 | return IPR_RC_JOB_RETURN; | |
7120 | } | |
7121 | ||
7122 | /** | |
7123 | * ipr_ioafp_page0_inquiry - Send a Page 0 Inquiry to the adapter. | |
7124 | * @ipr_cmd: ipr command struct | |
7125 | * | |
7126 | * This function sends a Page 0 inquiry to the adapter | |
7127 | * to retrieve supported inquiry pages. | |
7128 | * | |
7129 | * Return value: | |
7130 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
7131 | **/ | |
7132 | static int ipr_ioafp_page0_inquiry(struct ipr_cmnd *ipr_cmd) | |
1da177e4 LT |
7133 | { |
7134 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7135 | char type[5]; | |
7136 | ||
7137 | ENTER; | |
7138 | ||
7139 | /* Grab the type out of the VPD and store it away */ | |
7140 | memcpy(type, ioa_cfg->vpd_cbs->ioa_vpd.std_inq_data.vpids.product_id, 4); | |
7141 | type[4] = '\0'; | |
7142 | ioa_cfg->type = simple_strtoul((char *)type, NULL, 16); | |
7143 | ||
62275040 | 7144 | ipr_cmd->job_step = ipr_ioafp_page3_inquiry; |
1da177e4 | 7145 | |
62275040 BK |
7146 | ipr_ioafp_inquiry(ipr_cmd, 1, 0, |
7147 | ioa_cfg->vpd_cbs_dma + offsetof(struct ipr_misc_cbs, page0_data), | |
7148 | sizeof(struct ipr_inquiry_page0)); | |
1da177e4 LT |
7149 | |
7150 | LEAVE; | |
7151 | return IPR_RC_JOB_RETURN; | |
7152 | } | |
7153 | ||
7154 | /** | |
7155 | * ipr_ioafp_std_inquiry - Send a Standard Inquiry to the adapter. | |
7156 | * @ipr_cmd: ipr command struct | |
7157 | * | |
7158 | * This function sends a standard inquiry to the adapter. | |
7159 | * | |
7160 | * Return value: | |
7161 | * IPR_RC_JOB_RETURN | |
7162 | **/ | |
7163 | static int ipr_ioafp_std_inquiry(struct ipr_cmnd *ipr_cmd) | |
7164 | { | |
7165 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7166 | ||
7167 | ENTER; | |
62275040 | 7168 | ipr_cmd->job_step = ipr_ioafp_page0_inquiry; |
1da177e4 LT |
7169 | |
7170 | ipr_ioafp_inquiry(ipr_cmd, 0, 0, | |
7171 | ioa_cfg->vpd_cbs_dma + offsetof(struct ipr_misc_cbs, ioa_vpd), | |
7172 | sizeof(struct ipr_ioa_vpd)); | |
7173 | ||
7174 | LEAVE; | |
7175 | return IPR_RC_JOB_RETURN; | |
7176 | } | |
7177 | ||
7178 | /** | |
214777ba | 7179 | * ipr_ioafp_identify_hrrq - Send Identify Host RRQ. |
1da177e4 LT |
7180 | * @ipr_cmd: ipr command struct |
7181 | * | |
7182 | * This function send an Identify Host Request Response Queue | |
7183 | * command to establish the HRRQ with the adapter. | |
7184 | * | |
7185 | * Return value: | |
7186 | * IPR_RC_JOB_RETURN | |
7187 | **/ | |
214777ba | 7188 | static int ipr_ioafp_identify_hrrq(struct ipr_cmnd *ipr_cmd) |
1da177e4 LT |
7189 | { |
7190 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7191 | struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; | |
7192 | ||
7193 | ENTER; | |
7194 | dev_info(&ioa_cfg->pdev->dev, "Starting IOA initialization sequence.\n"); | |
7195 | ||
7196 | ioarcb->cmd_pkt.cdb[0] = IPR_ID_HOST_RR_Q; | |
7197 | ioarcb->res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE); | |
7198 | ||
7199 | ioarcb->cmd_pkt.request_type = IPR_RQTYPE_IOACMD; | |
214777ba WB |
7200 | if (ioa_cfg->sis64) |
7201 | ioarcb->cmd_pkt.cdb[1] = 0x1; | |
1da177e4 | 7202 | ioarcb->cmd_pkt.cdb[2] = |
214777ba | 7203 | ((u64) ioa_cfg->host_rrq_dma >> 24) & 0xff; |
1da177e4 | 7204 | ioarcb->cmd_pkt.cdb[3] = |
214777ba | 7205 | ((u64) ioa_cfg->host_rrq_dma >> 16) & 0xff; |
1da177e4 | 7206 | ioarcb->cmd_pkt.cdb[4] = |
214777ba | 7207 | ((u64) ioa_cfg->host_rrq_dma >> 8) & 0xff; |
1da177e4 | 7208 | ioarcb->cmd_pkt.cdb[5] = |
214777ba | 7209 | ((u64) ioa_cfg->host_rrq_dma) & 0xff; |
1da177e4 LT |
7210 | ioarcb->cmd_pkt.cdb[7] = |
7211 | ((sizeof(u32) * IPR_NUM_CMD_BLKS) >> 8) & 0xff; | |
7212 | ioarcb->cmd_pkt.cdb[8] = | |
7213 | (sizeof(u32) * IPR_NUM_CMD_BLKS) & 0xff; | |
7214 | ||
214777ba WB |
7215 | if (ioa_cfg->sis64) { |
7216 | ioarcb->cmd_pkt.cdb[10] = | |
7217 | ((u64) ioa_cfg->host_rrq_dma >> 56) & 0xff; | |
7218 | ioarcb->cmd_pkt.cdb[11] = | |
7219 | ((u64) ioa_cfg->host_rrq_dma >> 48) & 0xff; | |
7220 | ioarcb->cmd_pkt.cdb[12] = | |
7221 | ((u64) ioa_cfg->host_rrq_dma >> 40) & 0xff; | |
7222 | ioarcb->cmd_pkt.cdb[13] = | |
7223 | ((u64) ioa_cfg->host_rrq_dma >> 32) & 0xff; | |
7224 | } | |
7225 | ||
1da177e4 LT |
7226 | ipr_cmd->job_step = ipr_ioafp_std_inquiry; |
7227 | ||
7228 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, IPR_INTERNAL_TIMEOUT); | |
7229 | ||
7230 | LEAVE; | |
7231 | return IPR_RC_JOB_RETURN; | |
7232 | } | |
7233 | ||
7234 | /** | |
7235 | * ipr_reset_timer_done - Adapter reset timer function | |
7236 | * @ipr_cmd: ipr command struct | |
7237 | * | |
7238 | * Description: This function is used in adapter reset processing | |
7239 | * for timing events. If the reset_cmd pointer in the IOA | |
7240 | * config struct is not this adapter's we are doing nested | |
7241 | * resets and fail_all_ops will take care of freeing the | |
7242 | * command block. | |
7243 | * | |
7244 | * Return value: | |
7245 | * none | |
7246 | **/ | |
7247 | static void ipr_reset_timer_done(struct ipr_cmnd *ipr_cmd) | |
7248 | { | |
7249 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7250 | unsigned long lock_flags = 0; | |
7251 | ||
7252 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
7253 | ||
7254 | if (ioa_cfg->reset_cmd == ipr_cmd) { | |
7255 | list_del(&ipr_cmd->queue); | |
7256 | ipr_cmd->done(ipr_cmd); | |
7257 | } | |
7258 | ||
7259 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
7260 | } | |
7261 | ||
7262 | /** | |
7263 | * ipr_reset_start_timer - Start a timer for adapter reset job | |
7264 | * @ipr_cmd: ipr command struct | |
7265 | * @timeout: timeout value | |
7266 | * | |
7267 | * Description: This function is used in adapter reset processing | |
7268 | * for timing events. If the reset_cmd pointer in the IOA | |
7269 | * config struct is not this adapter's we are doing nested | |
7270 | * resets and fail_all_ops will take care of freeing the | |
7271 | * command block. | |
7272 | * | |
7273 | * Return value: | |
7274 | * none | |
7275 | **/ | |
7276 | static void ipr_reset_start_timer(struct ipr_cmnd *ipr_cmd, | |
7277 | unsigned long timeout) | |
7278 | { | |
7279 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->ioa_cfg->pending_q); | |
7280 | ipr_cmd->done = ipr_reset_ioa_job; | |
7281 | ||
7282 | ipr_cmd->timer.data = (unsigned long) ipr_cmd; | |
7283 | ipr_cmd->timer.expires = jiffies + timeout; | |
7284 | ipr_cmd->timer.function = (void (*)(unsigned long))ipr_reset_timer_done; | |
7285 | add_timer(&ipr_cmd->timer); | |
7286 | } | |
7287 | ||
7288 | /** | |
7289 | * ipr_init_ioa_mem - Initialize ioa_cfg control block | |
7290 | * @ioa_cfg: ioa cfg struct | |
7291 | * | |
7292 | * Return value: | |
7293 | * nothing | |
7294 | **/ | |
7295 | static void ipr_init_ioa_mem(struct ipr_ioa_cfg *ioa_cfg) | |
7296 | { | |
7297 | memset(ioa_cfg->host_rrq, 0, sizeof(u32) * IPR_NUM_CMD_BLKS); | |
7298 | ||
7299 | /* Initialize Host RRQ pointers */ | |
7300 | ioa_cfg->hrrq_start = ioa_cfg->host_rrq; | |
7301 | ioa_cfg->hrrq_end = &ioa_cfg->host_rrq[IPR_NUM_CMD_BLKS - 1]; | |
7302 | ioa_cfg->hrrq_curr = ioa_cfg->hrrq_start; | |
7303 | ioa_cfg->toggle_bit = 1; | |
7304 | ||
7305 | /* Zero out config table */ | |
3e7ebdfa | 7306 | memset(ioa_cfg->u.cfg_table, 0, ioa_cfg->cfg_table_size); |
1da177e4 LT |
7307 | } |
7308 | ||
214777ba WB |
7309 | /** |
7310 | * ipr_reset_next_stage - Process IPL stage change based on feedback register. | |
7311 | * @ipr_cmd: ipr command struct | |
7312 | * | |
7313 | * Return value: | |
7314 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
7315 | **/ | |
7316 | static int ipr_reset_next_stage(struct ipr_cmnd *ipr_cmd) | |
7317 | { | |
7318 | unsigned long stage, stage_time; | |
7319 | u32 feedback; | |
7320 | volatile u32 int_reg; | |
7321 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7322 | u64 maskval = 0; | |
7323 | ||
7324 | feedback = readl(ioa_cfg->regs.init_feedback_reg); | |
7325 | stage = feedback & IPR_IPL_INIT_STAGE_MASK; | |
7326 | stage_time = feedback & IPR_IPL_INIT_STAGE_TIME_MASK; | |
7327 | ||
7328 | ipr_dbg("IPL stage = 0x%lx, IPL stage time = %ld\n", stage, stage_time); | |
7329 | ||
7330 | /* sanity check the stage_time value */ | |
438b0331 WB |
7331 | if (stage_time == 0) |
7332 | stage_time = IPR_IPL_INIT_DEFAULT_STAGE_TIME; | |
7333 | else if (stage_time < IPR_IPL_INIT_MIN_STAGE_TIME) | |
214777ba WB |
7334 | stage_time = IPR_IPL_INIT_MIN_STAGE_TIME; |
7335 | else if (stage_time > IPR_LONG_OPERATIONAL_TIMEOUT) | |
7336 | stage_time = IPR_LONG_OPERATIONAL_TIMEOUT; | |
7337 | ||
7338 | if (stage == IPR_IPL_INIT_STAGE_UNKNOWN) { | |
7339 | writel(IPR_PCII_IPL_STAGE_CHANGE, ioa_cfg->regs.set_interrupt_mask_reg); | |
7340 | int_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg); | |
7341 | stage_time = ioa_cfg->transop_timeout; | |
7342 | ipr_cmd->job_step = ipr_ioafp_identify_hrrq; | |
7343 | } else if (stage == IPR_IPL_INIT_STAGE_TRANSOP) { | |
1df79ca4 WB |
7344 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg32); |
7345 | if (int_reg & IPR_PCII_IOA_TRANS_TO_OPER) { | |
7346 | ipr_cmd->job_step = ipr_ioafp_identify_hrrq; | |
7347 | maskval = IPR_PCII_IPL_STAGE_CHANGE; | |
7348 | maskval = (maskval << 32) | IPR_PCII_IOA_TRANS_TO_OPER; | |
7349 | writeq(maskval, ioa_cfg->regs.set_interrupt_mask_reg); | |
7350 | int_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg); | |
7351 | return IPR_RC_JOB_CONTINUE; | |
7352 | } | |
214777ba WB |
7353 | } |
7354 | ||
7355 | ipr_cmd->timer.data = (unsigned long) ipr_cmd; | |
7356 | ipr_cmd->timer.expires = jiffies + stage_time * HZ; | |
7357 | ipr_cmd->timer.function = (void (*)(unsigned long))ipr_oper_timeout; | |
7358 | ipr_cmd->done = ipr_reset_ioa_job; | |
7359 | add_timer(&ipr_cmd->timer); | |
7360 | list_add_tail(&ipr_cmd->queue, &ioa_cfg->pending_q); | |
7361 | ||
7362 | return IPR_RC_JOB_RETURN; | |
7363 | } | |
7364 | ||
1da177e4 LT |
7365 | /** |
7366 | * ipr_reset_enable_ioa - Enable the IOA following a reset. | |
7367 | * @ipr_cmd: ipr command struct | |
7368 | * | |
7369 | * This function reinitializes some control blocks and | |
7370 | * enables destructive diagnostics on the adapter. | |
7371 | * | |
7372 | * Return value: | |
7373 | * IPR_RC_JOB_RETURN | |
7374 | **/ | |
7375 | static int ipr_reset_enable_ioa(struct ipr_cmnd *ipr_cmd) | |
7376 | { | |
7377 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7378 | volatile u32 int_reg; | |
7be96900 | 7379 | volatile u64 maskval; |
1da177e4 LT |
7380 | |
7381 | ENTER; | |
214777ba | 7382 | ipr_cmd->job_step = ipr_ioafp_identify_hrrq; |
1da177e4 LT |
7383 | ipr_init_ioa_mem(ioa_cfg); |
7384 | ||
7385 | ioa_cfg->allow_interrupts = 1; | |
8701f185 WB |
7386 | if (ioa_cfg->sis64) { |
7387 | /* Set the adapter to the correct endian mode. */ | |
7388 | writel(IPR_ENDIAN_SWAP_KEY, ioa_cfg->regs.endian_swap_reg); | |
7389 | int_reg = readl(ioa_cfg->regs.endian_swap_reg); | |
7390 | } | |
7391 | ||
7be96900 | 7392 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg32); |
1da177e4 LT |
7393 | |
7394 | if (int_reg & IPR_PCII_IOA_TRANS_TO_OPER) { | |
7395 | writel((IPR_PCII_ERROR_INTERRUPTS | IPR_PCII_HRRQ_UPDATED), | |
214777ba | 7396 | ioa_cfg->regs.clr_interrupt_mask_reg32); |
1da177e4 LT |
7397 | int_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg); |
7398 | return IPR_RC_JOB_CONTINUE; | |
7399 | } | |
7400 | ||
7401 | /* Enable destructive diagnostics on IOA */ | |
214777ba WB |
7402 | writel(ioa_cfg->doorbell, ioa_cfg->regs.set_uproc_interrupt_reg32); |
7403 | ||
7be96900 WB |
7404 | if (ioa_cfg->sis64) { |
7405 | maskval = IPR_PCII_IPL_STAGE_CHANGE; | |
7406 | maskval = (maskval << 32) | IPR_PCII_OPER_INTERRUPTS; | |
7407 | writeq(maskval, ioa_cfg->regs.clr_interrupt_mask_reg); | |
7408 | } else | |
7409 | writel(IPR_PCII_OPER_INTERRUPTS, ioa_cfg->regs.clr_interrupt_mask_reg32); | |
1da177e4 | 7410 | |
1da177e4 LT |
7411 | int_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg); |
7412 | ||
7413 | dev_info(&ioa_cfg->pdev->dev, "Initializing IOA.\n"); | |
7414 | ||
214777ba WB |
7415 | if (ioa_cfg->sis64) { |
7416 | ipr_cmd->job_step = ipr_reset_next_stage; | |
7417 | return IPR_RC_JOB_CONTINUE; | |
7418 | } | |
7419 | ||
1da177e4 | 7420 | ipr_cmd->timer.data = (unsigned long) ipr_cmd; |
5469cb5b | 7421 | ipr_cmd->timer.expires = jiffies + (ioa_cfg->transop_timeout * HZ); |
1da177e4 LT |
7422 | ipr_cmd->timer.function = (void (*)(unsigned long))ipr_oper_timeout; |
7423 | ipr_cmd->done = ipr_reset_ioa_job; | |
7424 | add_timer(&ipr_cmd->timer); | |
7425 | list_add_tail(&ipr_cmd->queue, &ioa_cfg->pending_q); | |
7426 | ||
7427 | LEAVE; | |
7428 | return IPR_RC_JOB_RETURN; | |
7429 | } | |
7430 | ||
7431 | /** | |
7432 | * ipr_reset_wait_for_dump - Wait for a dump to timeout. | |
7433 | * @ipr_cmd: ipr command struct | |
7434 | * | |
7435 | * This function is invoked when an adapter dump has run out | |
7436 | * of processing time. | |
7437 | * | |
7438 | * Return value: | |
7439 | * IPR_RC_JOB_CONTINUE | |
7440 | **/ | |
7441 | static int ipr_reset_wait_for_dump(struct ipr_cmnd *ipr_cmd) | |
7442 | { | |
7443 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7444 | ||
7445 | if (ioa_cfg->sdt_state == GET_DUMP) | |
41e9a696 BK |
7446 | ioa_cfg->sdt_state = WAIT_FOR_DUMP; |
7447 | else if (ioa_cfg->sdt_state == READ_DUMP) | |
1da177e4 LT |
7448 | ioa_cfg->sdt_state = ABORT_DUMP; |
7449 | ||
7450 | ipr_cmd->job_step = ipr_reset_alert; | |
7451 | ||
7452 | return IPR_RC_JOB_CONTINUE; | |
7453 | } | |
7454 | ||
7455 | /** | |
7456 | * ipr_unit_check_no_data - Log a unit check/no data error log | |
7457 | * @ioa_cfg: ioa config struct | |
7458 | * | |
7459 | * Logs an error indicating the adapter unit checked, but for some | |
7460 | * reason, we were unable to fetch the unit check buffer. | |
7461 | * | |
7462 | * Return value: | |
7463 | * nothing | |
7464 | **/ | |
7465 | static void ipr_unit_check_no_data(struct ipr_ioa_cfg *ioa_cfg) | |
7466 | { | |
7467 | ioa_cfg->errors_logged++; | |
7468 | dev_err(&ioa_cfg->pdev->dev, "IOA unit check with no data\n"); | |
7469 | } | |
7470 | ||
7471 | /** | |
7472 | * ipr_get_unit_check_buffer - Get the unit check buffer from the IOA | |
7473 | * @ioa_cfg: ioa config struct | |
7474 | * | |
7475 | * Fetches the unit check buffer from the adapter by clocking the data | |
7476 | * through the mailbox register. | |
7477 | * | |
7478 | * Return value: | |
7479 | * nothing | |
7480 | **/ | |
7481 | static void ipr_get_unit_check_buffer(struct ipr_ioa_cfg *ioa_cfg) | |
7482 | { | |
7483 | unsigned long mailbox; | |
7484 | struct ipr_hostrcb *hostrcb; | |
7485 | struct ipr_uc_sdt sdt; | |
7486 | int rc, length; | |
65f56475 | 7487 | u32 ioasc; |
1da177e4 LT |
7488 | |
7489 | mailbox = readl(ioa_cfg->ioa_mailbox); | |
7490 | ||
dcbad00e | 7491 | if (!ioa_cfg->sis64 && !ipr_sdt_is_fmt2(mailbox)) { |
1da177e4 LT |
7492 | ipr_unit_check_no_data(ioa_cfg); |
7493 | return; | |
7494 | } | |
7495 | ||
7496 | memset(&sdt, 0, sizeof(struct ipr_uc_sdt)); | |
7497 | rc = ipr_get_ldump_data_section(ioa_cfg, mailbox, (__be32 *) &sdt, | |
7498 | (sizeof(struct ipr_uc_sdt)) / sizeof(__be32)); | |
7499 | ||
dcbad00e WB |
7500 | if (rc || !(sdt.entry[0].flags & IPR_SDT_VALID_ENTRY) || |
7501 | ((be32_to_cpu(sdt.hdr.state) != IPR_FMT3_SDT_READY_TO_USE) && | |
7502 | (be32_to_cpu(sdt.hdr.state) != IPR_FMT2_SDT_READY_TO_USE))) { | |
1da177e4 LT |
7503 | ipr_unit_check_no_data(ioa_cfg); |
7504 | return; | |
7505 | } | |
7506 | ||
7507 | /* Find length of the first sdt entry (UC buffer) */ | |
dcbad00e WB |
7508 | if (be32_to_cpu(sdt.hdr.state) == IPR_FMT3_SDT_READY_TO_USE) |
7509 | length = be32_to_cpu(sdt.entry[0].end_token); | |
7510 | else | |
7511 | length = (be32_to_cpu(sdt.entry[0].end_token) - | |
7512 | be32_to_cpu(sdt.entry[0].start_token)) & | |
7513 | IPR_FMT2_MBX_ADDR_MASK; | |
1da177e4 LT |
7514 | |
7515 | hostrcb = list_entry(ioa_cfg->hostrcb_free_q.next, | |
7516 | struct ipr_hostrcb, queue); | |
7517 | list_del(&hostrcb->queue); | |
7518 | memset(&hostrcb->hcam, 0, sizeof(hostrcb->hcam)); | |
7519 | ||
7520 | rc = ipr_get_ldump_data_section(ioa_cfg, | |
dcbad00e | 7521 | be32_to_cpu(sdt.entry[0].start_token), |
1da177e4 LT |
7522 | (__be32 *)&hostrcb->hcam, |
7523 | min(length, (int)sizeof(hostrcb->hcam)) / sizeof(__be32)); | |
7524 | ||
65f56475 | 7525 | if (!rc) { |
1da177e4 | 7526 | ipr_handle_log_data(ioa_cfg, hostrcb); |
4565e370 | 7527 | ioasc = be32_to_cpu(hostrcb->hcam.u.error.fd_ioasc); |
65f56475 BK |
7528 | if (ioasc == IPR_IOASC_NR_IOA_RESET_REQUIRED && |
7529 | ioa_cfg->sdt_state == GET_DUMP) | |
7530 | ioa_cfg->sdt_state = WAIT_FOR_DUMP; | |
7531 | } else | |
1da177e4 LT |
7532 | ipr_unit_check_no_data(ioa_cfg); |
7533 | ||
7534 | list_add_tail(&hostrcb->queue, &ioa_cfg->hostrcb_free_q); | |
7535 | } | |
7536 | ||
110def85 WB |
7537 | /** |
7538 | * ipr_reset_get_unit_check_job - Call to get the unit check buffer. | |
7539 | * @ipr_cmd: ipr command struct | |
7540 | * | |
7541 | * Description: This function will call to get the unit check buffer. | |
7542 | * | |
7543 | * Return value: | |
7544 | * IPR_RC_JOB_RETURN | |
7545 | **/ | |
7546 | static int ipr_reset_get_unit_check_job(struct ipr_cmnd *ipr_cmd) | |
7547 | { | |
7548 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7549 | ||
7550 | ENTER; | |
7551 | ioa_cfg->ioa_unit_checked = 0; | |
7552 | ipr_get_unit_check_buffer(ioa_cfg); | |
7553 | ipr_cmd->job_step = ipr_reset_alert; | |
7554 | ipr_reset_start_timer(ipr_cmd, 0); | |
7555 | ||
7556 | LEAVE; | |
7557 | return IPR_RC_JOB_RETURN; | |
7558 | } | |
7559 | ||
1da177e4 LT |
7560 | /** |
7561 | * ipr_reset_restore_cfg_space - Restore PCI config space. | |
7562 | * @ipr_cmd: ipr command struct | |
7563 | * | |
7564 | * Description: This function restores the saved PCI config space of | |
7565 | * the adapter, fails all outstanding ops back to the callers, and | |
7566 | * fetches the dump/unit check if applicable to this reset. | |
7567 | * | |
7568 | * Return value: | |
7569 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
7570 | **/ | |
7571 | static int ipr_reset_restore_cfg_space(struct ipr_cmnd *ipr_cmd) | |
7572 | { | |
7573 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
630ad831 | 7574 | u32 int_reg; |
1da177e4 LT |
7575 | |
7576 | ENTER; | |
99c965dd | 7577 | ioa_cfg->pdev->state_saved = true; |
1d3c16a8 | 7578 | pci_restore_state(ioa_cfg->pdev); |
1da177e4 LT |
7579 | |
7580 | if (ipr_set_pcix_cmd_reg(ioa_cfg)) { | |
96d21f00 | 7581 | ipr_cmd->s.ioasa.hdr.ioasc = cpu_to_be32(IPR_IOASC_PCI_ACCESS_ERROR); |
1da177e4 LT |
7582 | return IPR_RC_JOB_CONTINUE; |
7583 | } | |
7584 | ||
7585 | ipr_fail_all_ops(ioa_cfg); | |
7586 | ||
8701f185 WB |
7587 | if (ioa_cfg->sis64) { |
7588 | /* Set the adapter to the correct endian mode. */ | |
7589 | writel(IPR_ENDIAN_SWAP_KEY, ioa_cfg->regs.endian_swap_reg); | |
7590 | int_reg = readl(ioa_cfg->regs.endian_swap_reg); | |
7591 | } | |
7592 | ||
1da177e4 | 7593 | if (ioa_cfg->ioa_unit_checked) { |
110def85 WB |
7594 | if (ioa_cfg->sis64) { |
7595 | ipr_cmd->job_step = ipr_reset_get_unit_check_job; | |
7596 | ipr_reset_start_timer(ipr_cmd, IPR_DUMP_DELAY_TIMEOUT); | |
7597 | return IPR_RC_JOB_RETURN; | |
7598 | } else { | |
7599 | ioa_cfg->ioa_unit_checked = 0; | |
7600 | ipr_get_unit_check_buffer(ioa_cfg); | |
7601 | ipr_cmd->job_step = ipr_reset_alert; | |
7602 | ipr_reset_start_timer(ipr_cmd, 0); | |
7603 | return IPR_RC_JOB_RETURN; | |
7604 | } | |
1da177e4 LT |
7605 | } |
7606 | ||
7607 | if (ioa_cfg->in_ioa_bringdown) { | |
7608 | ipr_cmd->job_step = ipr_ioa_bringdown_done; | |
7609 | } else { | |
7610 | ipr_cmd->job_step = ipr_reset_enable_ioa; | |
7611 | ||
7612 | if (GET_DUMP == ioa_cfg->sdt_state) { | |
41e9a696 | 7613 | ioa_cfg->sdt_state = READ_DUMP; |
4d4dd706 KSS |
7614 | if (ioa_cfg->sis64) |
7615 | ipr_reset_start_timer(ipr_cmd, IPR_SIS64_DUMP_TIMEOUT); | |
7616 | else | |
7617 | ipr_reset_start_timer(ipr_cmd, IPR_SIS32_DUMP_TIMEOUT); | |
1da177e4 LT |
7618 | ipr_cmd->job_step = ipr_reset_wait_for_dump; |
7619 | schedule_work(&ioa_cfg->work_q); | |
7620 | return IPR_RC_JOB_RETURN; | |
7621 | } | |
7622 | } | |
7623 | ||
438b0331 | 7624 | LEAVE; |
1da177e4 LT |
7625 | return IPR_RC_JOB_CONTINUE; |
7626 | } | |
7627 | ||
e619e1a7 BK |
7628 | /** |
7629 | * ipr_reset_bist_done - BIST has completed on the adapter. | |
7630 | * @ipr_cmd: ipr command struct | |
7631 | * | |
7632 | * Description: Unblock config space and resume the reset process. | |
7633 | * | |
7634 | * Return value: | |
7635 | * IPR_RC_JOB_CONTINUE | |
7636 | **/ | |
7637 | static int ipr_reset_bist_done(struct ipr_cmnd *ipr_cmd) | |
7638 | { | |
7639 | ENTER; | |
7640 | pci_unblock_user_cfg_access(ipr_cmd->ioa_cfg->pdev); | |
7641 | ipr_cmd->job_step = ipr_reset_restore_cfg_space; | |
7642 | LEAVE; | |
7643 | return IPR_RC_JOB_CONTINUE; | |
7644 | } | |
7645 | ||
1da177e4 LT |
7646 | /** |
7647 | * ipr_reset_start_bist - Run BIST on the adapter. | |
7648 | * @ipr_cmd: ipr command struct | |
7649 | * | |
7650 | * Description: This function runs BIST on the adapter, then delays 2 seconds. | |
7651 | * | |
7652 | * Return value: | |
7653 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
7654 | **/ | |
7655 | static int ipr_reset_start_bist(struct ipr_cmnd *ipr_cmd) | |
7656 | { | |
7657 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
cb237ef7 | 7658 | int rc = PCIBIOS_SUCCESSFUL; |
1da177e4 LT |
7659 | |
7660 | ENTER; | |
b30197d2 | 7661 | pci_block_user_cfg_access(ioa_cfg->pdev); |
1da177e4 | 7662 | |
cb237ef7 WB |
7663 | if (ioa_cfg->ipr_chip->bist_method == IPR_MMIO) |
7664 | writel(IPR_UPROCI_SIS64_START_BIST, | |
7665 | ioa_cfg->regs.set_uproc_interrupt_reg32); | |
7666 | else | |
7667 | rc = pci_write_config_byte(ioa_cfg->pdev, PCI_BIST, PCI_BIST_START); | |
7668 | ||
7669 | if (rc == PCIBIOS_SUCCESSFUL) { | |
e619e1a7 | 7670 | ipr_cmd->job_step = ipr_reset_bist_done; |
1da177e4 LT |
7671 | ipr_reset_start_timer(ipr_cmd, IPR_WAIT_FOR_BIST_TIMEOUT); |
7672 | rc = IPR_RC_JOB_RETURN; | |
cb237ef7 WB |
7673 | } else { |
7674 | pci_unblock_user_cfg_access(ipr_cmd->ioa_cfg->pdev); | |
7675 | ipr_cmd->s.ioasa.hdr.ioasc = cpu_to_be32(IPR_IOASC_PCI_ACCESS_ERROR); | |
7676 | rc = IPR_RC_JOB_CONTINUE; | |
1da177e4 LT |
7677 | } |
7678 | ||
7679 | LEAVE; | |
7680 | return rc; | |
7681 | } | |
7682 | ||
463fc696 BK |
7683 | /** |
7684 | * ipr_reset_slot_reset_done - Clear PCI reset to the adapter | |
7685 | * @ipr_cmd: ipr command struct | |
7686 | * | |
7687 | * Description: This clears PCI reset to the adapter and delays two seconds. | |
7688 | * | |
7689 | * Return value: | |
7690 | * IPR_RC_JOB_RETURN | |
7691 | **/ | |
7692 | static int ipr_reset_slot_reset_done(struct ipr_cmnd *ipr_cmd) | |
7693 | { | |
7694 | ENTER; | |
7695 | pci_set_pcie_reset_state(ipr_cmd->ioa_cfg->pdev, pcie_deassert_reset); | |
7696 | ipr_cmd->job_step = ipr_reset_bist_done; | |
7697 | ipr_reset_start_timer(ipr_cmd, IPR_WAIT_FOR_BIST_TIMEOUT); | |
7698 | LEAVE; | |
7699 | return IPR_RC_JOB_RETURN; | |
7700 | } | |
7701 | ||
7702 | /** | |
7703 | * ipr_reset_slot_reset - Reset the PCI slot of the adapter. | |
7704 | * @ipr_cmd: ipr command struct | |
7705 | * | |
7706 | * Description: This asserts PCI reset to the adapter. | |
7707 | * | |
7708 | * Return value: | |
7709 | * IPR_RC_JOB_RETURN | |
7710 | **/ | |
7711 | static int ipr_reset_slot_reset(struct ipr_cmnd *ipr_cmd) | |
7712 | { | |
7713 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7714 | struct pci_dev *pdev = ioa_cfg->pdev; | |
7715 | ||
7716 | ENTER; | |
7717 | pci_block_user_cfg_access(pdev); | |
7718 | pci_set_pcie_reset_state(pdev, pcie_warm_reset); | |
7719 | ipr_cmd->job_step = ipr_reset_slot_reset_done; | |
7720 | ipr_reset_start_timer(ipr_cmd, IPR_PCI_RESET_TIMEOUT); | |
7721 | LEAVE; | |
7722 | return IPR_RC_JOB_RETURN; | |
7723 | } | |
7724 | ||
1da177e4 LT |
7725 | /** |
7726 | * ipr_reset_allowed - Query whether or not IOA can be reset | |
7727 | * @ioa_cfg: ioa config struct | |
7728 | * | |
7729 | * Return value: | |
7730 | * 0 if reset not allowed / non-zero if reset is allowed | |
7731 | **/ | |
7732 | static int ipr_reset_allowed(struct ipr_ioa_cfg *ioa_cfg) | |
7733 | { | |
7734 | volatile u32 temp_reg; | |
7735 | ||
7736 | temp_reg = readl(ioa_cfg->regs.sense_interrupt_reg); | |
7737 | return ((temp_reg & IPR_PCII_CRITICAL_OPERATION) == 0); | |
7738 | } | |
7739 | ||
7740 | /** | |
7741 | * ipr_reset_wait_to_start_bist - Wait for permission to reset IOA. | |
7742 | * @ipr_cmd: ipr command struct | |
7743 | * | |
7744 | * Description: This function waits for adapter permission to run BIST, | |
7745 | * then runs BIST. If the adapter does not give permission after a | |
7746 | * reasonable time, we will reset the adapter anyway. The impact of | |
7747 | * resetting the adapter without warning the adapter is the risk of | |
7748 | * losing the persistent error log on the adapter. If the adapter is | |
7749 | * reset while it is writing to the flash on the adapter, the flash | |
7750 | * segment will have bad ECC and be zeroed. | |
7751 | * | |
7752 | * Return value: | |
7753 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
7754 | **/ | |
7755 | static int ipr_reset_wait_to_start_bist(struct ipr_cmnd *ipr_cmd) | |
7756 | { | |
7757 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7758 | int rc = IPR_RC_JOB_RETURN; | |
7759 | ||
7760 | if (!ipr_reset_allowed(ioa_cfg) && ipr_cmd->u.time_left) { | |
7761 | ipr_cmd->u.time_left -= IPR_CHECK_FOR_RESET_TIMEOUT; | |
7762 | ipr_reset_start_timer(ipr_cmd, IPR_CHECK_FOR_RESET_TIMEOUT); | |
7763 | } else { | |
463fc696 | 7764 | ipr_cmd->job_step = ioa_cfg->reset; |
1da177e4 LT |
7765 | rc = IPR_RC_JOB_CONTINUE; |
7766 | } | |
7767 | ||
7768 | return rc; | |
7769 | } | |
7770 | ||
7771 | /** | |
8701f185 | 7772 | * ipr_reset_alert - Alert the adapter of a pending reset |
1da177e4 LT |
7773 | * @ipr_cmd: ipr command struct |
7774 | * | |
7775 | * Description: This function alerts the adapter that it will be reset. | |
7776 | * If memory space is not currently enabled, proceed directly | |
7777 | * to running BIST on the adapter. The timer must always be started | |
7778 | * so we guarantee we do not run BIST from ipr_isr. | |
7779 | * | |
7780 | * Return value: | |
7781 | * IPR_RC_JOB_RETURN | |
7782 | **/ | |
7783 | static int ipr_reset_alert(struct ipr_cmnd *ipr_cmd) | |
7784 | { | |
7785 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7786 | u16 cmd_reg; | |
7787 | int rc; | |
7788 | ||
7789 | ENTER; | |
7790 | rc = pci_read_config_word(ioa_cfg->pdev, PCI_COMMAND, &cmd_reg); | |
7791 | ||
7792 | if ((rc == PCIBIOS_SUCCESSFUL) && (cmd_reg & PCI_COMMAND_MEMORY)) { | |
7793 | ipr_mask_and_clear_interrupts(ioa_cfg, ~0); | |
214777ba | 7794 | writel(IPR_UPROCI_RESET_ALERT, ioa_cfg->regs.set_uproc_interrupt_reg32); |
1da177e4 LT |
7795 | ipr_cmd->job_step = ipr_reset_wait_to_start_bist; |
7796 | } else { | |
463fc696 | 7797 | ipr_cmd->job_step = ioa_cfg->reset; |
1da177e4 LT |
7798 | } |
7799 | ||
7800 | ipr_cmd->u.time_left = IPR_WAIT_FOR_RESET_TIMEOUT; | |
7801 | ipr_reset_start_timer(ipr_cmd, IPR_CHECK_FOR_RESET_TIMEOUT); | |
7802 | ||
7803 | LEAVE; | |
7804 | return IPR_RC_JOB_RETURN; | |
7805 | } | |
7806 | ||
7807 | /** | |
7808 | * ipr_reset_ucode_download_done - Microcode download completion | |
7809 | * @ipr_cmd: ipr command struct | |
7810 | * | |
7811 | * Description: This function unmaps the microcode download buffer. | |
7812 | * | |
7813 | * Return value: | |
7814 | * IPR_RC_JOB_CONTINUE | |
7815 | **/ | |
7816 | static int ipr_reset_ucode_download_done(struct ipr_cmnd *ipr_cmd) | |
7817 | { | |
7818 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7819 | struct ipr_sglist *sglist = ioa_cfg->ucode_sglist; | |
7820 | ||
7821 | pci_unmap_sg(ioa_cfg->pdev, sglist->scatterlist, | |
7822 | sglist->num_sg, DMA_TO_DEVICE); | |
7823 | ||
7824 | ipr_cmd->job_step = ipr_reset_alert; | |
7825 | return IPR_RC_JOB_CONTINUE; | |
7826 | } | |
7827 | ||
7828 | /** | |
7829 | * ipr_reset_ucode_download - Download microcode to the adapter | |
7830 | * @ipr_cmd: ipr command struct | |
7831 | * | |
7832 | * Description: This function checks to see if it there is microcode | |
7833 | * to download to the adapter. If there is, a download is performed. | |
7834 | * | |
7835 | * Return value: | |
7836 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
7837 | **/ | |
7838 | static int ipr_reset_ucode_download(struct ipr_cmnd *ipr_cmd) | |
7839 | { | |
7840 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7841 | struct ipr_sglist *sglist = ioa_cfg->ucode_sglist; | |
7842 | ||
7843 | ENTER; | |
7844 | ipr_cmd->job_step = ipr_reset_alert; | |
7845 | ||
7846 | if (!sglist) | |
7847 | return IPR_RC_JOB_CONTINUE; | |
7848 | ||
7849 | ipr_cmd->ioarcb.res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE); | |
7850 | ipr_cmd->ioarcb.cmd_pkt.request_type = IPR_RQTYPE_SCSICDB; | |
7851 | ipr_cmd->ioarcb.cmd_pkt.cdb[0] = WRITE_BUFFER; | |
7852 | ipr_cmd->ioarcb.cmd_pkt.cdb[1] = IPR_WR_BUF_DOWNLOAD_AND_SAVE; | |
7853 | ipr_cmd->ioarcb.cmd_pkt.cdb[6] = (sglist->buffer_len & 0xff0000) >> 16; | |
7854 | ipr_cmd->ioarcb.cmd_pkt.cdb[7] = (sglist->buffer_len & 0x00ff00) >> 8; | |
7855 | ipr_cmd->ioarcb.cmd_pkt.cdb[8] = sglist->buffer_len & 0x0000ff; | |
7856 | ||
a32c055f WB |
7857 | if (ioa_cfg->sis64) |
7858 | ipr_build_ucode_ioadl64(ipr_cmd, sglist); | |
7859 | else | |
7860 | ipr_build_ucode_ioadl(ipr_cmd, sglist); | |
1da177e4 LT |
7861 | ipr_cmd->job_step = ipr_reset_ucode_download_done; |
7862 | ||
7863 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, | |
7864 | IPR_WRITE_BUFFER_TIMEOUT); | |
7865 | ||
7866 | LEAVE; | |
7867 | return IPR_RC_JOB_RETURN; | |
7868 | } | |
7869 | ||
7870 | /** | |
7871 | * ipr_reset_shutdown_ioa - Shutdown the adapter | |
7872 | * @ipr_cmd: ipr command struct | |
7873 | * | |
7874 | * Description: This function issues an adapter shutdown of the | |
7875 | * specified type to the specified adapter as part of the | |
7876 | * adapter reset job. | |
7877 | * | |
7878 | * Return value: | |
7879 | * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN | |
7880 | **/ | |
7881 | static int ipr_reset_shutdown_ioa(struct ipr_cmnd *ipr_cmd) | |
7882 | { | |
7883 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
7884 | enum ipr_shutdown_type shutdown_type = ipr_cmd->u.shutdown_type; | |
7885 | unsigned long timeout; | |
7886 | int rc = IPR_RC_JOB_CONTINUE; | |
7887 | ||
7888 | ENTER; | |
7889 | if (shutdown_type != IPR_SHUTDOWN_NONE && !ioa_cfg->ioa_is_dead) { | |
7890 | ipr_cmd->ioarcb.res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE); | |
7891 | ipr_cmd->ioarcb.cmd_pkt.request_type = IPR_RQTYPE_IOACMD; | |
7892 | ipr_cmd->ioarcb.cmd_pkt.cdb[0] = IPR_IOA_SHUTDOWN; | |
7893 | ipr_cmd->ioarcb.cmd_pkt.cdb[1] = shutdown_type; | |
7894 | ||
ac09c349 BK |
7895 | if (shutdown_type == IPR_SHUTDOWN_NORMAL) |
7896 | timeout = IPR_SHUTDOWN_TIMEOUT; | |
1da177e4 LT |
7897 | else if (shutdown_type == IPR_SHUTDOWN_PREPARE_FOR_NORMAL) |
7898 | timeout = IPR_INTERNAL_TIMEOUT; | |
ac09c349 BK |
7899 | else if (ioa_cfg->dual_raid && ipr_dual_ioa_raid) |
7900 | timeout = IPR_DUAL_IOA_ABBR_SHUTDOWN_TO; | |
1da177e4 | 7901 | else |
ac09c349 | 7902 | timeout = IPR_ABBREV_SHUTDOWN_TIMEOUT; |
1da177e4 LT |
7903 | |
7904 | ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, timeout); | |
7905 | ||
7906 | rc = IPR_RC_JOB_RETURN; | |
7907 | ipr_cmd->job_step = ipr_reset_ucode_download; | |
7908 | } else | |
7909 | ipr_cmd->job_step = ipr_reset_alert; | |
7910 | ||
7911 | LEAVE; | |
7912 | return rc; | |
7913 | } | |
7914 | ||
7915 | /** | |
7916 | * ipr_reset_ioa_job - Adapter reset job | |
7917 | * @ipr_cmd: ipr command struct | |
7918 | * | |
7919 | * Description: This function is the job router for the adapter reset job. | |
7920 | * | |
7921 | * Return value: | |
7922 | * none | |
7923 | **/ | |
7924 | static void ipr_reset_ioa_job(struct ipr_cmnd *ipr_cmd) | |
7925 | { | |
7926 | u32 rc, ioasc; | |
1da177e4 LT |
7927 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; |
7928 | ||
7929 | do { | |
96d21f00 | 7930 | ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); |
1da177e4 LT |
7931 | |
7932 | if (ioa_cfg->reset_cmd != ipr_cmd) { | |
7933 | /* | |
7934 | * We are doing nested adapter resets and this is | |
7935 | * not the current reset job. | |
7936 | */ | |
7937 | list_add_tail(&ipr_cmd->queue, &ioa_cfg->free_q); | |
7938 | return; | |
7939 | } | |
7940 | ||
7941 | if (IPR_IOASC_SENSE_KEY(ioasc)) { | |
dfed823e BK |
7942 | rc = ipr_cmd->job_step_failed(ipr_cmd); |
7943 | if (rc == IPR_RC_JOB_RETURN) | |
7944 | return; | |
1da177e4 LT |
7945 | } |
7946 | ||
7947 | ipr_reinit_ipr_cmnd(ipr_cmd); | |
dfed823e | 7948 | ipr_cmd->job_step_failed = ipr_reset_cmd_failed; |
1da177e4 LT |
7949 | rc = ipr_cmd->job_step(ipr_cmd); |
7950 | } while(rc == IPR_RC_JOB_CONTINUE); | |
7951 | } | |
7952 | ||
7953 | /** | |
7954 | * _ipr_initiate_ioa_reset - Initiate an adapter reset | |
7955 | * @ioa_cfg: ioa config struct | |
7956 | * @job_step: first job step of reset job | |
7957 | * @shutdown_type: shutdown type | |
7958 | * | |
7959 | * Description: This function will initiate the reset of the given adapter | |
7960 | * starting at the selected job step. | |
7961 | * If the caller needs to wait on the completion of the reset, | |
7962 | * the caller must sleep on the reset_wait_q. | |
7963 | * | |
7964 | * Return value: | |
7965 | * none | |
7966 | **/ | |
7967 | static void _ipr_initiate_ioa_reset(struct ipr_ioa_cfg *ioa_cfg, | |
7968 | int (*job_step) (struct ipr_cmnd *), | |
7969 | enum ipr_shutdown_type shutdown_type) | |
7970 | { | |
7971 | struct ipr_cmnd *ipr_cmd; | |
7972 | ||
7973 | ioa_cfg->in_reset_reload = 1; | |
7974 | ioa_cfg->allow_cmds = 0; | |
7975 | scsi_block_requests(ioa_cfg->host); | |
7976 | ||
7977 | ipr_cmd = ipr_get_free_ipr_cmnd(ioa_cfg); | |
7978 | ioa_cfg->reset_cmd = ipr_cmd; | |
7979 | ipr_cmd->job_step = job_step; | |
7980 | ipr_cmd->u.shutdown_type = shutdown_type; | |
7981 | ||
7982 | ipr_reset_ioa_job(ipr_cmd); | |
7983 | } | |
7984 | ||
7985 | /** | |
7986 | * ipr_initiate_ioa_reset - Initiate an adapter reset | |
7987 | * @ioa_cfg: ioa config struct | |
7988 | * @shutdown_type: shutdown type | |
7989 | * | |
7990 | * Description: This function will initiate the reset of the given adapter. | |
7991 | * If the caller needs to wait on the completion of the reset, | |
7992 | * the caller must sleep on the reset_wait_q. | |
7993 | * | |
7994 | * Return value: | |
7995 | * none | |
7996 | **/ | |
7997 | static void ipr_initiate_ioa_reset(struct ipr_ioa_cfg *ioa_cfg, | |
7998 | enum ipr_shutdown_type shutdown_type) | |
7999 | { | |
8000 | if (ioa_cfg->ioa_is_dead) | |
8001 | return; | |
8002 | ||
41e9a696 BK |
8003 | if (ioa_cfg->in_reset_reload) { |
8004 | if (ioa_cfg->sdt_state == GET_DUMP) | |
8005 | ioa_cfg->sdt_state = WAIT_FOR_DUMP; | |
8006 | else if (ioa_cfg->sdt_state == READ_DUMP) | |
8007 | ioa_cfg->sdt_state = ABORT_DUMP; | |
8008 | } | |
1da177e4 LT |
8009 | |
8010 | if (ioa_cfg->reset_retries++ >= IPR_NUM_RESET_RELOAD_RETRIES) { | |
8011 | dev_err(&ioa_cfg->pdev->dev, | |
8012 | "IOA taken offline - error recovery failed\n"); | |
8013 | ||
8014 | ioa_cfg->reset_retries = 0; | |
8015 | ioa_cfg->ioa_is_dead = 1; | |
8016 | ||
8017 | if (ioa_cfg->in_ioa_bringdown) { | |
8018 | ioa_cfg->reset_cmd = NULL; | |
8019 | ioa_cfg->in_reset_reload = 0; | |
8020 | ipr_fail_all_ops(ioa_cfg); | |
8021 | wake_up_all(&ioa_cfg->reset_wait_q); | |
8022 | ||
8023 | spin_unlock_irq(ioa_cfg->host->host_lock); | |
8024 | scsi_unblock_requests(ioa_cfg->host); | |
8025 | spin_lock_irq(ioa_cfg->host->host_lock); | |
8026 | return; | |
8027 | } else { | |
8028 | ioa_cfg->in_ioa_bringdown = 1; | |
8029 | shutdown_type = IPR_SHUTDOWN_NONE; | |
8030 | } | |
8031 | } | |
8032 | ||
8033 | _ipr_initiate_ioa_reset(ioa_cfg, ipr_reset_shutdown_ioa, | |
8034 | shutdown_type); | |
8035 | } | |
8036 | ||
f8a88b19 LV |
8037 | /** |
8038 | * ipr_reset_freeze - Hold off all I/O activity | |
8039 | * @ipr_cmd: ipr command struct | |
8040 | * | |
8041 | * Description: If the PCI slot is frozen, hold off all I/O | |
8042 | * activity; then, as soon as the slot is available again, | |
8043 | * initiate an adapter reset. | |
8044 | */ | |
8045 | static int ipr_reset_freeze(struct ipr_cmnd *ipr_cmd) | |
8046 | { | |
8047 | /* Disallow new interrupts, avoid loop */ | |
8048 | ipr_cmd->ioa_cfg->allow_interrupts = 0; | |
8049 | list_add_tail(&ipr_cmd->queue, &ipr_cmd->ioa_cfg->pending_q); | |
8050 | ipr_cmd->done = ipr_reset_ioa_job; | |
8051 | return IPR_RC_JOB_RETURN; | |
8052 | } | |
8053 | ||
8054 | /** | |
8055 | * ipr_pci_frozen - Called when slot has experienced a PCI bus error. | |
8056 | * @pdev: PCI device struct | |
8057 | * | |
8058 | * Description: This routine is called to tell us that the PCI bus | |
8059 | * is down. Can't do anything here, except put the device driver | |
8060 | * into a holding pattern, waiting for the PCI bus to come back. | |
8061 | */ | |
8062 | static void ipr_pci_frozen(struct pci_dev *pdev) | |
8063 | { | |
8064 | unsigned long flags = 0; | |
8065 | struct ipr_ioa_cfg *ioa_cfg = pci_get_drvdata(pdev); | |
8066 | ||
8067 | spin_lock_irqsave(ioa_cfg->host->host_lock, flags); | |
8068 | _ipr_initiate_ioa_reset(ioa_cfg, ipr_reset_freeze, IPR_SHUTDOWN_NONE); | |
8069 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); | |
8070 | } | |
8071 | ||
8072 | /** | |
8073 | * ipr_pci_slot_reset - Called when PCI slot has been reset. | |
8074 | * @pdev: PCI device struct | |
8075 | * | |
8076 | * Description: This routine is called by the pci error recovery | |
8077 | * code after the PCI slot has been reset, just before we | |
8078 | * should resume normal operations. | |
8079 | */ | |
8080 | static pci_ers_result_t ipr_pci_slot_reset(struct pci_dev *pdev) | |
8081 | { | |
8082 | unsigned long flags = 0; | |
8083 | struct ipr_ioa_cfg *ioa_cfg = pci_get_drvdata(pdev); | |
8084 | ||
8085 | spin_lock_irqsave(ioa_cfg->host->host_lock, flags); | |
463fc696 BK |
8086 | if (ioa_cfg->needs_warm_reset) |
8087 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); | |
8088 | else | |
8089 | _ipr_initiate_ioa_reset(ioa_cfg, ipr_reset_restore_cfg_space, | |
8090 | IPR_SHUTDOWN_NONE); | |
f8a88b19 LV |
8091 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); |
8092 | return PCI_ERS_RESULT_RECOVERED; | |
8093 | } | |
8094 | ||
8095 | /** | |
8096 | * ipr_pci_perm_failure - Called when PCI slot is dead for good. | |
8097 | * @pdev: PCI device struct | |
8098 | * | |
8099 | * Description: This routine is called when the PCI bus has | |
8100 | * permanently failed. | |
8101 | */ | |
8102 | static void ipr_pci_perm_failure(struct pci_dev *pdev) | |
8103 | { | |
8104 | unsigned long flags = 0; | |
8105 | struct ipr_ioa_cfg *ioa_cfg = pci_get_drvdata(pdev); | |
8106 | ||
8107 | spin_lock_irqsave(ioa_cfg->host->host_lock, flags); | |
8108 | if (ioa_cfg->sdt_state == WAIT_FOR_DUMP) | |
8109 | ioa_cfg->sdt_state = ABORT_DUMP; | |
8110 | ioa_cfg->reset_retries = IPR_NUM_RESET_RELOAD_RETRIES; | |
8111 | ioa_cfg->in_ioa_bringdown = 1; | |
6ff63896 | 8112 | ioa_cfg->allow_cmds = 0; |
f8a88b19 LV |
8113 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); |
8114 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); | |
8115 | } | |
8116 | ||
8117 | /** | |
8118 | * ipr_pci_error_detected - Called when a PCI error is detected. | |
8119 | * @pdev: PCI device struct | |
8120 | * @state: PCI channel state | |
8121 | * | |
8122 | * Description: Called when a PCI error is detected. | |
8123 | * | |
8124 | * Return value: | |
8125 | * PCI_ERS_RESULT_NEED_RESET or PCI_ERS_RESULT_DISCONNECT | |
8126 | */ | |
8127 | static pci_ers_result_t ipr_pci_error_detected(struct pci_dev *pdev, | |
8128 | pci_channel_state_t state) | |
8129 | { | |
8130 | switch (state) { | |
8131 | case pci_channel_io_frozen: | |
8132 | ipr_pci_frozen(pdev); | |
8133 | return PCI_ERS_RESULT_NEED_RESET; | |
8134 | case pci_channel_io_perm_failure: | |
8135 | ipr_pci_perm_failure(pdev); | |
8136 | return PCI_ERS_RESULT_DISCONNECT; | |
8137 | break; | |
8138 | default: | |
8139 | break; | |
8140 | } | |
8141 | return PCI_ERS_RESULT_NEED_RESET; | |
8142 | } | |
8143 | ||
1da177e4 LT |
8144 | /** |
8145 | * ipr_probe_ioa_part2 - Initializes IOAs found in ipr_probe_ioa(..) | |
8146 | * @ioa_cfg: ioa cfg struct | |
8147 | * | |
8148 | * Description: This is the second phase of adapter intialization | |
8149 | * This function takes care of initilizing the adapter to the point | |
8150 | * where it can accept new commands. | |
8151 | ||
8152 | * Return value: | |
b1c11812 | 8153 | * 0 on success / -EIO on failure |
1da177e4 LT |
8154 | **/ |
8155 | static int __devinit ipr_probe_ioa_part2(struct ipr_ioa_cfg *ioa_cfg) | |
8156 | { | |
8157 | int rc = 0; | |
8158 | unsigned long host_lock_flags = 0; | |
8159 | ||
8160 | ENTER; | |
8161 | spin_lock_irqsave(ioa_cfg->host->host_lock, host_lock_flags); | |
8162 | dev_dbg(&ioa_cfg->pdev->dev, "ioa_cfg adx: 0x%p\n", ioa_cfg); | |
ce155cce BK |
8163 | if (ioa_cfg->needs_hard_reset) { |
8164 | ioa_cfg->needs_hard_reset = 0; | |
8165 | ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); | |
8166 | } else | |
8167 | _ipr_initiate_ioa_reset(ioa_cfg, ipr_reset_enable_ioa, | |
8168 | IPR_SHUTDOWN_NONE); | |
1da177e4 LT |
8169 | |
8170 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, host_lock_flags); | |
8171 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
8172 | spin_lock_irqsave(ioa_cfg->host->host_lock, host_lock_flags); | |
8173 | ||
8174 | if (ioa_cfg->ioa_is_dead) { | |
8175 | rc = -EIO; | |
8176 | } else if (ipr_invalid_adapter(ioa_cfg)) { | |
8177 | if (!ipr_testmode) | |
8178 | rc = -EIO; | |
8179 | ||
8180 | dev_err(&ioa_cfg->pdev->dev, | |
8181 | "Adapter not supported in this hardware configuration.\n"); | |
8182 | } | |
8183 | ||
8184 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, host_lock_flags); | |
8185 | ||
8186 | LEAVE; | |
8187 | return rc; | |
8188 | } | |
8189 | ||
8190 | /** | |
8191 | * ipr_free_cmd_blks - Frees command blocks allocated for an adapter | |
8192 | * @ioa_cfg: ioa config struct | |
8193 | * | |
8194 | * Return value: | |
8195 | * none | |
8196 | **/ | |
8197 | static void ipr_free_cmd_blks(struct ipr_ioa_cfg *ioa_cfg) | |
8198 | { | |
8199 | int i; | |
8200 | ||
8201 | for (i = 0; i < IPR_NUM_CMD_BLKS; i++) { | |
8202 | if (ioa_cfg->ipr_cmnd_list[i]) | |
8203 | pci_pool_free(ioa_cfg->ipr_cmd_pool, | |
8204 | ioa_cfg->ipr_cmnd_list[i], | |
8205 | ioa_cfg->ipr_cmnd_list_dma[i]); | |
8206 | ||
8207 | ioa_cfg->ipr_cmnd_list[i] = NULL; | |
8208 | } | |
8209 | ||
8210 | if (ioa_cfg->ipr_cmd_pool) | |
8211 | pci_pool_destroy (ioa_cfg->ipr_cmd_pool); | |
8212 | ||
8213 | ioa_cfg->ipr_cmd_pool = NULL; | |
8214 | } | |
8215 | ||
8216 | /** | |
8217 | * ipr_free_mem - Frees memory allocated for an adapter | |
8218 | * @ioa_cfg: ioa cfg struct | |
8219 | * | |
8220 | * Return value: | |
8221 | * nothing | |
8222 | **/ | |
8223 | static void ipr_free_mem(struct ipr_ioa_cfg *ioa_cfg) | |
8224 | { | |
8225 | int i; | |
8226 | ||
8227 | kfree(ioa_cfg->res_entries); | |
8228 | pci_free_consistent(ioa_cfg->pdev, sizeof(struct ipr_misc_cbs), | |
8229 | ioa_cfg->vpd_cbs, ioa_cfg->vpd_cbs_dma); | |
8230 | ipr_free_cmd_blks(ioa_cfg); | |
8231 | pci_free_consistent(ioa_cfg->pdev, sizeof(u32) * IPR_NUM_CMD_BLKS, | |
8232 | ioa_cfg->host_rrq, ioa_cfg->host_rrq_dma); | |
3e7ebdfa WB |
8233 | pci_free_consistent(ioa_cfg->pdev, ioa_cfg->cfg_table_size, |
8234 | ioa_cfg->u.cfg_table, | |
1da177e4 LT |
8235 | ioa_cfg->cfg_table_dma); |
8236 | ||
8237 | for (i = 0; i < IPR_NUM_HCAMS; i++) { | |
8238 | pci_free_consistent(ioa_cfg->pdev, | |
8239 | sizeof(struct ipr_hostrcb), | |
8240 | ioa_cfg->hostrcb[i], | |
8241 | ioa_cfg->hostrcb_dma[i]); | |
8242 | } | |
8243 | ||
8244 | ipr_free_dump(ioa_cfg); | |
1da177e4 LT |
8245 | kfree(ioa_cfg->trace); |
8246 | } | |
8247 | ||
8248 | /** | |
8249 | * ipr_free_all_resources - Free all allocated resources for an adapter. | |
8250 | * @ipr_cmd: ipr command struct | |
8251 | * | |
8252 | * This function frees all allocated resources for the | |
8253 | * specified adapter. | |
8254 | * | |
8255 | * Return value: | |
8256 | * none | |
8257 | **/ | |
8258 | static void ipr_free_all_resources(struct ipr_ioa_cfg *ioa_cfg) | |
8259 | { | |
8260 | struct pci_dev *pdev = ioa_cfg->pdev; | |
8261 | ||
8262 | ENTER; | |
8263 | free_irq(pdev->irq, ioa_cfg); | |
5a9ef25b | 8264 | pci_disable_msi(pdev); |
1da177e4 LT |
8265 | iounmap(ioa_cfg->hdw_dma_regs); |
8266 | pci_release_regions(pdev); | |
8267 | ipr_free_mem(ioa_cfg); | |
8268 | scsi_host_put(ioa_cfg->host); | |
8269 | pci_disable_device(pdev); | |
8270 | LEAVE; | |
8271 | } | |
8272 | ||
8273 | /** | |
8274 | * ipr_alloc_cmd_blks - Allocate command blocks for an adapter | |
8275 | * @ioa_cfg: ioa config struct | |
8276 | * | |
8277 | * Return value: | |
8278 | * 0 on success / -ENOMEM on allocation failure | |
8279 | **/ | |
8280 | static int __devinit ipr_alloc_cmd_blks(struct ipr_ioa_cfg *ioa_cfg) | |
8281 | { | |
8282 | struct ipr_cmnd *ipr_cmd; | |
8283 | struct ipr_ioarcb *ioarcb; | |
8284 | dma_addr_t dma_addr; | |
8285 | int i; | |
8286 | ||
8287 | ioa_cfg->ipr_cmd_pool = pci_pool_create (IPR_NAME, ioa_cfg->pdev, | |
a32c055f | 8288 | sizeof(struct ipr_cmnd), 16, 0); |
1da177e4 LT |
8289 | |
8290 | if (!ioa_cfg->ipr_cmd_pool) | |
8291 | return -ENOMEM; | |
8292 | ||
8293 | for (i = 0; i < IPR_NUM_CMD_BLKS; i++) { | |
e94b1766 | 8294 | ipr_cmd = pci_pool_alloc (ioa_cfg->ipr_cmd_pool, GFP_KERNEL, &dma_addr); |
1da177e4 LT |
8295 | |
8296 | if (!ipr_cmd) { | |
8297 | ipr_free_cmd_blks(ioa_cfg); | |
8298 | return -ENOMEM; | |
8299 | } | |
8300 | ||
8301 | memset(ipr_cmd, 0, sizeof(*ipr_cmd)); | |
8302 | ioa_cfg->ipr_cmnd_list[i] = ipr_cmd; | |
8303 | ioa_cfg->ipr_cmnd_list_dma[i] = dma_addr; | |
8304 | ||
8305 | ioarcb = &ipr_cmd->ioarcb; | |
a32c055f WB |
8306 | ipr_cmd->dma_addr = dma_addr; |
8307 | if (ioa_cfg->sis64) | |
8308 | ioarcb->a.ioarcb_host_pci_addr64 = cpu_to_be64(dma_addr); | |
8309 | else | |
8310 | ioarcb->a.ioarcb_host_pci_addr = cpu_to_be32(dma_addr); | |
8311 | ||
1da177e4 | 8312 | ioarcb->host_response_handle = cpu_to_be32(i << 2); |
a32c055f WB |
8313 | if (ioa_cfg->sis64) { |
8314 | ioarcb->u.sis64_addr_data.data_ioadl_addr = | |
8315 | cpu_to_be64(dma_addr + offsetof(struct ipr_cmnd, i.ioadl64)); | |
8316 | ioarcb->u.sis64_addr_data.ioasa_host_pci_addr = | |
96d21f00 | 8317 | cpu_to_be64(dma_addr + offsetof(struct ipr_cmnd, s.ioasa64)); |
a32c055f WB |
8318 | } else { |
8319 | ioarcb->write_ioadl_addr = | |
8320 | cpu_to_be32(dma_addr + offsetof(struct ipr_cmnd, i.ioadl)); | |
8321 | ioarcb->read_ioadl_addr = ioarcb->write_ioadl_addr; | |
8322 | ioarcb->ioasa_host_pci_addr = | |
96d21f00 | 8323 | cpu_to_be32(dma_addr + offsetof(struct ipr_cmnd, s.ioasa)); |
a32c055f | 8324 | } |
1da177e4 LT |
8325 | ioarcb->ioasa_len = cpu_to_be16(sizeof(struct ipr_ioasa)); |
8326 | ipr_cmd->cmd_index = i; | |
8327 | ipr_cmd->ioa_cfg = ioa_cfg; | |
8328 | ipr_cmd->sense_buffer_dma = dma_addr + | |
8329 | offsetof(struct ipr_cmnd, sense_buffer); | |
8330 | ||
8331 | list_add_tail(&ipr_cmd->queue, &ioa_cfg->free_q); | |
8332 | } | |
8333 | ||
8334 | return 0; | |
8335 | } | |
8336 | ||
8337 | /** | |
8338 | * ipr_alloc_mem - Allocate memory for an adapter | |
8339 | * @ioa_cfg: ioa config struct | |
8340 | * | |
8341 | * Return value: | |
8342 | * 0 on success / non-zero for error | |
8343 | **/ | |
8344 | static int __devinit ipr_alloc_mem(struct ipr_ioa_cfg *ioa_cfg) | |
8345 | { | |
8346 | struct pci_dev *pdev = ioa_cfg->pdev; | |
8347 | int i, rc = -ENOMEM; | |
8348 | ||
8349 | ENTER; | |
0bc42e35 | 8350 | ioa_cfg->res_entries = kzalloc(sizeof(struct ipr_resource_entry) * |
3e7ebdfa | 8351 | ioa_cfg->max_devs_supported, GFP_KERNEL); |
1da177e4 LT |
8352 | |
8353 | if (!ioa_cfg->res_entries) | |
8354 | goto out; | |
8355 | ||
3e7ebdfa WB |
8356 | if (ioa_cfg->sis64) { |
8357 | ioa_cfg->target_ids = kzalloc(sizeof(unsigned long) * | |
8358 | BITS_TO_LONGS(ioa_cfg->max_devs_supported), GFP_KERNEL); | |
8359 | ioa_cfg->array_ids = kzalloc(sizeof(unsigned long) * | |
8360 | BITS_TO_LONGS(ioa_cfg->max_devs_supported), GFP_KERNEL); | |
8361 | ioa_cfg->vset_ids = kzalloc(sizeof(unsigned long) * | |
8362 | BITS_TO_LONGS(ioa_cfg->max_devs_supported), GFP_KERNEL); | |
8363 | } | |
8364 | ||
8365 | for (i = 0; i < ioa_cfg->max_devs_supported; i++) { | |
1da177e4 | 8366 | list_add_tail(&ioa_cfg->res_entries[i].queue, &ioa_cfg->free_res_q); |
3e7ebdfa WB |
8367 | ioa_cfg->res_entries[i].ioa_cfg = ioa_cfg; |
8368 | } | |
1da177e4 LT |
8369 | |
8370 | ioa_cfg->vpd_cbs = pci_alloc_consistent(ioa_cfg->pdev, | |
8371 | sizeof(struct ipr_misc_cbs), | |
8372 | &ioa_cfg->vpd_cbs_dma); | |
8373 | ||
8374 | if (!ioa_cfg->vpd_cbs) | |
8375 | goto out_free_res_entries; | |
8376 | ||
8377 | if (ipr_alloc_cmd_blks(ioa_cfg)) | |
8378 | goto out_free_vpd_cbs; | |
8379 | ||
8380 | ioa_cfg->host_rrq = pci_alloc_consistent(ioa_cfg->pdev, | |
8381 | sizeof(u32) * IPR_NUM_CMD_BLKS, | |
8382 | &ioa_cfg->host_rrq_dma); | |
8383 | ||
8384 | if (!ioa_cfg->host_rrq) | |
8385 | goto out_ipr_free_cmd_blocks; | |
8386 | ||
3e7ebdfa WB |
8387 | ioa_cfg->u.cfg_table = pci_alloc_consistent(ioa_cfg->pdev, |
8388 | ioa_cfg->cfg_table_size, | |
8389 | &ioa_cfg->cfg_table_dma); | |
1da177e4 | 8390 | |
3e7ebdfa | 8391 | if (!ioa_cfg->u.cfg_table) |
1da177e4 LT |
8392 | goto out_free_host_rrq; |
8393 | ||
8394 | for (i = 0; i < IPR_NUM_HCAMS; i++) { | |
8395 | ioa_cfg->hostrcb[i] = pci_alloc_consistent(ioa_cfg->pdev, | |
8396 | sizeof(struct ipr_hostrcb), | |
8397 | &ioa_cfg->hostrcb_dma[i]); | |
8398 | ||
8399 | if (!ioa_cfg->hostrcb[i]) | |
8400 | goto out_free_hostrcb_dma; | |
8401 | ||
8402 | ioa_cfg->hostrcb[i]->hostrcb_dma = | |
8403 | ioa_cfg->hostrcb_dma[i] + offsetof(struct ipr_hostrcb, hcam); | |
49dc6a18 | 8404 | ioa_cfg->hostrcb[i]->ioa_cfg = ioa_cfg; |
1da177e4 LT |
8405 | list_add_tail(&ioa_cfg->hostrcb[i]->queue, &ioa_cfg->hostrcb_free_q); |
8406 | } | |
8407 | ||
0bc42e35 | 8408 | ioa_cfg->trace = kzalloc(sizeof(struct ipr_trace_entry) * |
1da177e4 LT |
8409 | IPR_NUM_TRACE_ENTRIES, GFP_KERNEL); |
8410 | ||
8411 | if (!ioa_cfg->trace) | |
8412 | goto out_free_hostrcb_dma; | |
8413 | ||
1da177e4 LT |
8414 | rc = 0; |
8415 | out: | |
8416 | LEAVE; | |
8417 | return rc; | |
8418 | ||
8419 | out_free_hostrcb_dma: | |
8420 | while (i-- > 0) { | |
8421 | pci_free_consistent(pdev, sizeof(struct ipr_hostrcb), | |
8422 | ioa_cfg->hostrcb[i], | |
8423 | ioa_cfg->hostrcb_dma[i]); | |
8424 | } | |
3e7ebdfa WB |
8425 | pci_free_consistent(pdev, ioa_cfg->cfg_table_size, |
8426 | ioa_cfg->u.cfg_table, | |
8427 | ioa_cfg->cfg_table_dma); | |
1da177e4 LT |
8428 | out_free_host_rrq: |
8429 | pci_free_consistent(pdev, sizeof(u32) * IPR_NUM_CMD_BLKS, | |
8430 | ioa_cfg->host_rrq, ioa_cfg->host_rrq_dma); | |
8431 | out_ipr_free_cmd_blocks: | |
8432 | ipr_free_cmd_blks(ioa_cfg); | |
8433 | out_free_vpd_cbs: | |
8434 | pci_free_consistent(pdev, sizeof(struct ipr_misc_cbs), | |
8435 | ioa_cfg->vpd_cbs, ioa_cfg->vpd_cbs_dma); | |
8436 | out_free_res_entries: | |
8437 | kfree(ioa_cfg->res_entries); | |
8438 | goto out; | |
8439 | } | |
8440 | ||
8441 | /** | |
8442 | * ipr_initialize_bus_attr - Initialize SCSI bus attributes to default values | |
8443 | * @ioa_cfg: ioa config struct | |
8444 | * | |
8445 | * Return value: | |
8446 | * none | |
8447 | **/ | |
8448 | static void __devinit ipr_initialize_bus_attr(struct ipr_ioa_cfg *ioa_cfg) | |
8449 | { | |
8450 | int i; | |
8451 | ||
8452 | for (i = 0; i < IPR_MAX_NUM_BUSES; i++) { | |
8453 | ioa_cfg->bus_attr[i].bus = i; | |
8454 | ioa_cfg->bus_attr[i].qas_enabled = 0; | |
8455 | ioa_cfg->bus_attr[i].bus_width = IPR_DEFAULT_BUS_WIDTH; | |
8456 | if (ipr_max_speed < ARRAY_SIZE(ipr_max_bus_speeds)) | |
8457 | ioa_cfg->bus_attr[i].max_xfer_rate = ipr_max_bus_speeds[ipr_max_speed]; | |
8458 | else | |
8459 | ioa_cfg->bus_attr[i].max_xfer_rate = IPR_U160_SCSI_RATE; | |
8460 | } | |
8461 | } | |
8462 | ||
8463 | /** | |
8464 | * ipr_init_ioa_cfg - Initialize IOA config struct | |
8465 | * @ioa_cfg: ioa config struct | |
8466 | * @host: scsi host struct | |
8467 | * @pdev: PCI dev struct | |
8468 | * | |
8469 | * Return value: | |
8470 | * none | |
8471 | **/ | |
8472 | static void __devinit ipr_init_ioa_cfg(struct ipr_ioa_cfg *ioa_cfg, | |
8473 | struct Scsi_Host *host, struct pci_dev *pdev) | |
8474 | { | |
8475 | const struct ipr_interrupt_offsets *p; | |
8476 | struct ipr_interrupts *t; | |
8477 | void __iomem *base; | |
8478 | ||
8479 | ioa_cfg->host = host; | |
8480 | ioa_cfg->pdev = pdev; | |
8481 | ioa_cfg->log_level = ipr_log_level; | |
3d1d0da6 | 8482 | ioa_cfg->doorbell = IPR_DOORBELL; |
1da177e4 LT |
8483 | sprintf(ioa_cfg->eye_catcher, IPR_EYECATCHER); |
8484 | sprintf(ioa_cfg->trace_start, IPR_TRACE_START_LABEL); | |
8485 | sprintf(ioa_cfg->ipr_free_label, IPR_FREEQ_LABEL); | |
8486 | sprintf(ioa_cfg->ipr_pending_label, IPR_PENDQ_LABEL); | |
8487 | sprintf(ioa_cfg->cfg_table_start, IPR_CFG_TBL_START); | |
8488 | sprintf(ioa_cfg->resource_table_label, IPR_RES_TABLE_LABEL); | |
8489 | sprintf(ioa_cfg->ipr_hcam_label, IPR_HCAM_LABEL); | |
8490 | sprintf(ioa_cfg->ipr_cmd_label, IPR_CMD_LABEL); | |
8491 | ||
8492 | INIT_LIST_HEAD(&ioa_cfg->free_q); | |
8493 | INIT_LIST_HEAD(&ioa_cfg->pending_q); | |
8494 | INIT_LIST_HEAD(&ioa_cfg->hostrcb_free_q); | |
8495 | INIT_LIST_HEAD(&ioa_cfg->hostrcb_pending_q); | |
8496 | INIT_LIST_HEAD(&ioa_cfg->free_res_q); | |
8497 | INIT_LIST_HEAD(&ioa_cfg->used_res_q); | |
c4028958 | 8498 | INIT_WORK(&ioa_cfg->work_q, ipr_worker_thread); |
1da177e4 | 8499 | init_waitqueue_head(&ioa_cfg->reset_wait_q); |
95fecd90 | 8500 | init_waitqueue_head(&ioa_cfg->msi_wait_q); |
1da177e4 LT |
8501 | ioa_cfg->sdt_state = INACTIVE; |
8502 | ||
8503 | ipr_initialize_bus_attr(ioa_cfg); | |
3e7ebdfa | 8504 | ioa_cfg->max_devs_supported = ipr_max_devs; |
1da177e4 | 8505 | |
3e7ebdfa WB |
8506 | if (ioa_cfg->sis64) { |
8507 | host->max_id = IPR_MAX_SIS64_TARGETS_PER_BUS; | |
8508 | host->max_lun = IPR_MAX_SIS64_LUNS_PER_TARGET; | |
8509 | if (ipr_max_devs > IPR_MAX_SIS64_DEVS) | |
8510 | ioa_cfg->max_devs_supported = IPR_MAX_SIS64_DEVS; | |
8511 | } else { | |
8512 | host->max_id = IPR_MAX_NUM_TARGETS_PER_BUS; | |
8513 | host->max_lun = IPR_MAX_NUM_LUNS_PER_TARGET; | |
8514 | if (ipr_max_devs > IPR_MAX_PHYSICAL_DEVS) | |
8515 | ioa_cfg->max_devs_supported = IPR_MAX_PHYSICAL_DEVS; | |
8516 | } | |
1da177e4 LT |
8517 | host->max_channel = IPR_MAX_BUS_TO_SCAN; |
8518 | host->unique_id = host->host_no; | |
8519 | host->max_cmd_len = IPR_MAX_CDB_LEN; | |
8520 | pci_set_drvdata(pdev, ioa_cfg); | |
8521 | ||
8522 | p = &ioa_cfg->chip_cfg->regs; | |
8523 | t = &ioa_cfg->regs; | |
8524 | base = ioa_cfg->hdw_dma_regs; | |
8525 | ||
8526 | t->set_interrupt_mask_reg = base + p->set_interrupt_mask_reg; | |
8527 | t->clr_interrupt_mask_reg = base + p->clr_interrupt_mask_reg; | |
214777ba | 8528 | t->clr_interrupt_mask_reg32 = base + p->clr_interrupt_mask_reg32; |
1da177e4 | 8529 | t->sense_interrupt_mask_reg = base + p->sense_interrupt_mask_reg; |
214777ba | 8530 | t->sense_interrupt_mask_reg32 = base + p->sense_interrupt_mask_reg32; |
1da177e4 | 8531 | t->clr_interrupt_reg = base + p->clr_interrupt_reg; |
214777ba | 8532 | t->clr_interrupt_reg32 = base + p->clr_interrupt_reg32; |
1da177e4 | 8533 | t->sense_interrupt_reg = base + p->sense_interrupt_reg; |
214777ba | 8534 | t->sense_interrupt_reg32 = base + p->sense_interrupt_reg32; |
1da177e4 LT |
8535 | t->ioarrin_reg = base + p->ioarrin_reg; |
8536 | t->sense_uproc_interrupt_reg = base + p->sense_uproc_interrupt_reg; | |
214777ba | 8537 | t->sense_uproc_interrupt_reg32 = base + p->sense_uproc_interrupt_reg32; |
1da177e4 | 8538 | t->set_uproc_interrupt_reg = base + p->set_uproc_interrupt_reg; |
214777ba | 8539 | t->set_uproc_interrupt_reg32 = base + p->set_uproc_interrupt_reg32; |
1da177e4 | 8540 | t->clr_uproc_interrupt_reg = base + p->clr_uproc_interrupt_reg; |
214777ba | 8541 | t->clr_uproc_interrupt_reg32 = base + p->clr_uproc_interrupt_reg32; |
dcbad00e WB |
8542 | |
8543 | if (ioa_cfg->sis64) { | |
214777ba | 8544 | t->init_feedback_reg = base + p->init_feedback_reg; |
dcbad00e WB |
8545 | t->dump_addr_reg = base + p->dump_addr_reg; |
8546 | t->dump_data_reg = base + p->dump_data_reg; | |
8701f185 | 8547 | t->endian_swap_reg = base + p->endian_swap_reg; |
dcbad00e | 8548 | } |
1da177e4 LT |
8549 | } |
8550 | ||
8551 | /** | |
1be7bd82 | 8552 | * ipr_get_chip_info - Find adapter chip information |
1da177e4 LT |
8553 | * @dev_id: PCI device id struct |
8554 | * | |
8555 | * Return value: | |
1be7bd82 | 8556 | * ptr to chip information on success / NULL on failure |
1da177e4 | 8557 | **/ |
1be7bd82 WB |
8558 | static const struct ipr_chip_t * __devinit |
8559 | ipr_get_chip_info(const struct pci_device_id *dev_id) | |
1da177e4 LT |
8560 | { |
8561 | int i; | |
8562 | ||
1da177e4 LT |
8563 | for (i = 0; i < ARRAY_SIZE(ipr_chip); i++) |
8564 | if (ipr_chip[i].vendor == dev_id->vendor && | |
8565 | ipr_chip[i].device == dev_id->device) | |
1be7bd82 | 8566 | return &ipr_chip[i]; |
1da177e4 LT |
8567 | return NULL; |
8568 | } | |
8569 | ||
95fecd90 WB |
8570 | /** |
8571 | * ipr_test_intr - Handle the interrupt generated in ipr_test_msi(). | |
8572 | * @pdev: PCI device struct | |
8573 | * | |
8574 | * Description: Simply set the msi_received flag to 1 indicating that | |
8575 | * Message Signaled Interrupts are supported. | |
8576 | * | |
8577 | * Return value: | |
8578 | * 0 on success / non-zero on failure | |
8579 | **/ | |
8580 | static irqreturn_t __devinit ipr_test_intr(int irq, void *devp) | |
8581 | { | |
8582 | struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)devp; | |
8583 | unsigned long lock_flags = 0; | |
8584 | irqreturn_t rc = IRQ_HANDLED; | |
8585 | ||
8586 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
8587 | ||
8588 | ioa_cfg->msi_received = 1; | |
8589 | wake_up(&ioa_cfg->msi_wait_q); | |
8590 | ||
8591 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
8592 | return rc; | |
8593 | } | |
8594 | ||
8595 | /** | |
8596 | * ipr_test_msi - Test for Message Signaled Interrupt (MSI) support. | |
8597 | * @pdev: PCI device struct | |
8598 | * | |
8599 | * Description: The return value from pci_enable_msi() can not always be | |
8600 | * trusted. This routine sets up and initiates a test interrupt to determine | |
8601 | * if the interrupt is received via the ipr_test_intr() service routine. | |
8602 | * If the tests fails, the driver will fall back to LSI. | |
8603 | * | |
8604 | * Return value: | |
8605 | * 0 on success / non-zero on failure | |
8606 | **/ | |
8607 | static int __devinit ipr_test_msi(struct ipr_ioa_cfg *ioa_cfg, | |
8608 | struct pci_dev *pdev) | |
8609 | { | |
8610 | int rc; | |
8611 | volatile u32 int_reg; | |
8612 | unsigned long lock_flags = 0; | |
8613 | ||
8614 | ENTER; | |
8615 | ||
8616 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
8617 | init_waitqueue_head(&ioa_cfg->msi_wait_q); | |
8618 | ioa_cfg->msi_received = 0; | |
8619 | ipr_mask_and_clear_interrupts(ioa_cfg, ~IPR_PCII_IOA_TRANS_TO_OPER); | |
214777ba | 8620 | writel(IPR_PCII_IO_DEBUG_ACKNOWLEDGE, ioa_cfg->regs.clr_interrupt_mask_reg32); |
95fecd90 WB |
8621 | int_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg); |
8622 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
8623 | ||
8624 | rc = request_irq(pdev->irq, ipr_test_intr, 0, IPR_NAME, ioa_cfg); | |
8625 | if (rc) { | |
8626 | dev_err(&pdev->dev, "Can not assign irq %d\n", pdev->irq); | |
8627 | return rc; | |
8628 | } else if (ipr_debug) | |
8629 | dev_info(&pdev->dev, "IRQ assigned: %d\n", pdev->irq); | |
8630 | ||
214777ba | 8631 | writel(IPR_PCII_IO_DEBUG_ACKNOWLEDGE, ioa_cfg->regs.sense_interrupt_reg32); |
95fecd90 WB |
8632 | int_reg = readl(ioa_cfg->regs.sense_interrupt_reg); |
8633 | wait_event_timeout(ioa_cfg->msi_wait_q, ioa_cfg->msi_received, HZ); | |
8634 | ipr_mask_and_clear_interrupts(ioa_cfg, ~IPR_PCII_IOA_TRANS_TO_OPER); | |
8635 | ||
8636 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
8637 | if (!ioa_cfg->msi_received) { | |
8638 | /* MSI test failed */ | |
8639 | dev_info(&pdev->dev, "MSI test failed. Falling back to LSI.\n"); | |
8640 | rc = -EOPNOTSUPP; | |
8641 | } else if (ipr_debug) | |
8642 | dev_info(&pdev->dev, "MSI test succeeded.\n"); | |
8643 | ||
8644 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
8645 | ||
8646 | free_irq(pdev->irq, ioa_cfg); | |
8647 | ||
8648 | LEAVE; | |
8649 | ||
8650 | return rc; | |
8651 | } | |
8652 | ||
1da177e4 LT |
8653 | /** |
8654 | * ipr_probe_ioa - Allocates memory and does first stage of initialization | |
8655 | * @pdev: PCI device struct | |
8656 | * @dev_id: PCI device id struct | |
8657 | * | |
8658 | * Return value: | |
8659 | * 0 on success / non-zero on failure | |
8660 | **/ | |
8661 | static int __devinit ipr_probe_ioa(struct pci_dev *pdev, | |
8662 | const struct pci_device_id *dev_id) | |
8663 | { | |
8664 | struct ipr_ioa_cfg *ioa_cfg; | |
8665 | struct Scsi_Host *host; | |
8666 | unsigned long ipr_regs_pci; | |
8667 | void __iomem *ipr_regs; | |
a2a65a3e | 8668 | int rc = PCIBIOS_SUCCESSFUL; |
473b1e8e | 8669 | volatile u32 mask, uproc, interrupts; |
1da177e4 LT |
8670 | |
8671 | ENTER; | |
8672 | ||
8673 | if ((rc = pci_enable_device(pdev))) { | |
8674 | dev_err(&pdev->dev, "Cannot enable adapter\n"); | |
8675 | goto out; | |
8676 | } | |
8677 | ||
8678 | dev_info(&pdev->dev, "Found IOA with IRQ: %d\n", pdev->irq); | |
8679 | ||
8680 | host = scsi_host_alloc(&driver_template, sizeof(*ioa_cfg)); | |
8681 | ||
8682 | if (!host) { | |
8683 | dev_err(&pdev->dev, "call to scsi_host_alloc failed!\n"); | |
8684 | rc = -ENOMEM; | |
8685 | goto out_disable; | |
8686 | } | |
8687 | ||
8688 | ioa_cfg = (struct ipr_ioa_cfg *)host->hostdata; | |
8689 | memset(ioa_cfg, 0, sizeof(struct ipr_ioa_cfg)); | |
35a39691 BK |
8690 | ata_host_init(&ioa_cfg->ata_host, &pdev->dev, |
8691 | sata_port_info.flags, &ipr_sata_ops); | |
1da177e4 | 8692 | |
1be7bd82 | 8693 | ioa_cfg->ipr_chip = ipr_get_chip_info(dev_id); |
1da177e4 | 8694 | |
1be7bd82 | 8695 | if (!ioa_cfg->ipr_chip) { |
1da177e4 LT |
8696 | dev_err(&pdev->dev, "Unknown adapter chipset 0x%04X 0x%04X\n", |
8697 | dev_id->vendor, dev_id->device); | |
8698 | goto out_scsi_host_put; | |
8699 | } | |
8700 | ||
a32c055f WB |
8701 | /* set SIS 32 or SIS 64 */ |
8702 | ioa_cfg->sis64 = ioa_cfg->ipr_chip->sis_type == IPR_SIS64 ? 1 : 0; | |
1be7bd82 WB |
8703 | ioa_cfg->chip_cfg = ioa_cfg->ipr_chip->cfg; |
8704 | ||
5469cb5b BK |
8705 | if (ipr_transop_timeout) |
8706 | ioa_cfg->transop_timeout = ipr_transop_timeout; | |
8707 | else if (dev_id->driver_data & IPR_USE_LONG_TRANSOP_TIMEOUT) | |
8708 | ioa_cfg->transop_timeout = IPR_LONG_OPERATIONAL_TIMEOUT; | |
8709 | else | |
8710 | ioa_cfg->transop_timeout = IPR_OPERATIONAL_TIMEOUT; | |
8711 | ||
44c10138 | 8712 | ioa_cfg->revid = pdev->revision; |
463fc696 | 8713 | |
1da177e4 LT |
8714 | ipr_regs_pci = pci_resource_start(pdev, 0); |
8715 | ||
8716 | rc = pci_request_regions(pdev, IPR_NAME); | |
8717 | if (rc < 0) { | |
8718 | dev_err(&pdev->dev, | |
8719 | "Couldn't register memory range of registers\n"); | |
8720 | goto out_scsi_host_put; | |
8721 | } | |
8722 | ||
25729a7f | 8723 | ipr_regs = pci_ioremap_bar(pdev, 0); |
1da177e4 LT |
8724 | |
8725 | if (!ipr_regs) { | |
8726 | dev_err(&pdev->dev, | |
8727 | "Couldn't map memory range of registers\n"); | |
8728 | rc = -ENOMEM; | |
8729 | goto out_release_regions; | |
8730 | } | |
8731 | ||
8732 | ioa_cfg->hdw_dma_regs = ipr_regs; | |
8733 | ioa_cfg->hdw_dma_regs_pci = ipr_regs_pci; | |
8734 | ioa_cfg->ioa_mailbox = ioa_cfg->chip_cfg->mailbox + ipr_regs; | |
8735 | ||
8736 | ipr_init_ioa_cfg(ioa_cfg, host, pdev); | |
8737 | ||
8738 | pci_set_master(pdev); | |
8739 | ||
a32c055f WB |
8740 | if (ioa_cfg->sis64) { |
8741 | rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); | |
8742 | if (rc < 0) { | |
8743 | dev_dbg(&pdev->dev, "Failed to set 64 bit PCI DMA mask\n"); | |
8744 | rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); | |
8745 | } | |
8746 | ||
8747 | } else | |
8748 | rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); | |
8749 | ||
1da177e4 LT |
8750 | if (rc < 0) { |
8751 | dev_err(&pdev->dev, "Failed to set PCI DMA mask\n"); | |
8752 | goto cleanup_nomem; | |
8753 | } | |
8754 | ||
8755 | rc = pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, | |
8756 | ioa_cfg->chip_cfg->cache_line_size); | |
8757 | ||
8758 | if (rc != PCIBIOS_SUCCESSFUL) { | |
8759 | dev_err(&pdev->dev, "Write of cache line size failed\n"); | |
8760 | rc = -EIO; | |
8761 | goto cleanup_nomem; | |
8762 | } | |
8763 | ||
95fecd90 | 8764 | /* Enable MSI style interrupts if they are supported. */ |
1be7bd82 | 8765 | if (ioa_cfg->ipr_chip->intr_type == IPR_USE_MSI && !pci_enable_msi(pdev)) { |
95fecd90 WB |
8766 | rc = ipr_test_msi(ioa_cfg, pdev); |
8767 | if (rc == -EOPNOTSUPP) | |
8768 | pci_disable_msi(pdev); | |
8769 | else if (rc) | |
8770 | goto out_msi_disable; | |
8771 | else | |
8772 | dev_info(&pdev->dev, "MSI enabled with IRQ: %d\n", pdev->irq); | |
8773 | } else if (ipr_debug) | |
8774 | dev_info(&pdev->dev, "Cannot enable MSI.\n"); | |
8775 | ||
1da177e4 LT |
8776 | /* Save away PCI config space for use following IOA reset */ |
8777 | rc = pci_save_state(pdev); | |
8778 | ||
8779 | if (rc != PCIBIOS_SUCCESSFUL) { | |
8780 | dev_err(&pdev->dev, "Failed to save PCI config space\n"); | |
8781 | rc = -EIO; | |
f170c684 | 8782 | goto out_msi_disable; |
1da177e4 LT |
8783 | } |
8784 | ||
8785 | if ((rc = ipr_save_pcix_cmd_reg(ioa_cfg))) | |
f170c684 | 8786 | goto out_msi_disable; |
1da177e4 LT |
8787 | |
8788 | if ((rc = ipr_set_pcix_cmd_reg(ioa_cfg))) | |
f170c684 | 8789 | goto out_msi_disable; |
1da177e4 | 8790 | |
3e7ebdfa WB |
8791 | if (ioa_cfg->sis64) |
8792 | ioa_cfg->cfg_table_size = (sizeof(struct ipr_config_table_hdr64) | |
8793 | + ((sizeof(struct ipr_config_table_entry64) | |
8794 | * ioa_cfg->max_devs_supported))); | |
8795 | else | |
8796 | ioa_cfg->cfg_table_size = (sizeof(struct ipr_config_table_hdr) | |
8797 | + ((sizeof(struct ipr_config_table_entry) | |
8798 | * ioa_cfg->max_devs_supported))); | |
8799 | ||
1da177e4 LT |
8800 | rc = ipr_alloc_mem(ioa_cfg); |
8801 | if (rc < 0) { | |
8802 | dev_err(&pdev->dev, | |
8803 | "Couldn't allocate enough memory for device driver!\n"); | |
f170c684 | 8804 | goto out_msi_disable; |
1da177e4 LT |
8805 | } |
8806 | ||
ce155cce BK |
8807 | /* |
8808 | * If HRRQ updated interrupt is not masked, or reset alert is set, | |
8809 | * the card is in an unknown state and needs a hard reset | |
8810 | */ | |
214777ba WB |
8811 | mask = readl(ioa_cfg->regs.sense_interrupt_mask_reg32); |
8812 | interrupts = readl(ioa_cfg->regs.sense_interrupt_reg32); | |
8813 | uproc = readl(ioa_cfg->regs.sense_uproc_interrupt_reg32); | |
ce155cce BK |
8814 | if ((mask & IPR_PCII_HRRQ_UPDATED) == 0 || (uproc & IPR_UPROCI_RESET_ALERT)) |
8815 | ioa_cfg->needs_hard_reset = 1; | |
5d7c20b7 | 8816 | if ((interrupts & IPR_PCII_ERROR_INTERRUPTS) || reset_devices) |
473b1e8e BK |
8817 | ioa_cfg->needs_hard_reset = 1; |
8818 | if (interrupts & IPR_PCII_IOA_UNIT_CHECKED) | |
8819 | ioa_cfg->ioa_unit_checked = 1; | |
ce155cce | 8820 | |
1da177e4 | 8821 | ipr_mask_and_clear_interrupts(ioa_cfg, ~IPR_PCII_IOA_TRANS_TO_OPER); |
95fecd90 WB |
8822 | rc = request_irq(pdev->irq, ipr_isr, |
8823 | ioa_cfg->msi_received ? 0 : IRQF_SHARED, | |
8824 | IPR_NAME, ioa_cfg); | |
1da177e4 LT |
8825 | |
8826 | if (rc) { | |
8827 | dev_err(&pdev->dev, "Couldn't register IRQ %d! rc=%d\n", | |
8828 | pdev->irq, rc); | |
8829 | goto cleanup_nolog; | |
8830 | } | |
8831 | ||
463fc696 BK |
8832 | if ((dev_id->driver_data & IPR_USE_PCI_WARM_RESET) || |
8833 | (dev_id->device == PCI_DEVICE_ID_IBM_OBSIDIAN_E && !ioa_cfg->revid)) { | |
8834 | ioa_cfg->needs_warm_reset = 1; | |
8835 | ioa_cfg->reset = ipr_reset_slot_reset; | |
8836 | } else | |
8837 | ioa_cfg->reset = ipr_reset_start_bist; | |
8838 | ||
1da177e4 LT |
8839 | spin_lock(&ipr_driver_lock); |
8840 | list_add_tail(&ioa_cfg->queue, &ipr_ioa_head); | |
8841 | spin_unlock(&ipr_driver_lock); | |
8842 | ||
8843 | LEAVE; | |
8844 | out: | |
8845 | return rc; | |
8846 | ||
8847 | cleanup_nolog: | |
8848 | ipr_free_mem(ioa_cfg); | |
95fecd90 WB |
8849 | out_msi_disable: |
8850 | pci_disable_msi(pdev); | |
f170c684 JL |
8851 | cleanup_nomem: |
8852 | iounmap(ipr_regs); | |
1da177e4 LT |
8853 | out_release_regions: |
8854 | pci_release_regions(pdev); | |
8855 | out_scsi_host_put: | |
8856 | scsi_host_put(host); | |
8857 | out_disable: | |
8858 | pci_disable_device(pdev); | |
8859 | goto out; | |
8860 | } | |
8861 | ||
8862 | /** | |
8863 | * ipr_scan_vsets - Scans for VSET devices | |
8864 | * @ioa_cfg: ioa config struct | |
8865 | * | |
8866 | * Description: Since the VSET resources do not follow SAM in that we can have | |
8867 | * sparse LUNs with no LUN 0, we have to scan for these ourselves. | |
8868 | * | |
8869 | * Return value: | |
8870 | * none | |
8871 | **/ | |
8872 | static void ipr_scan_vsets(struct ipr_ioa_cfg *ioa_cfg) | |
8873 | { | |
8874 | int target, lun; | |
8875 | ||
8876 | for (target = 0; target < IPR_MAX_NUM_TARGETS_PER_BUS; target++) | |
8877 | for (lun = 0; lun < IPR_MAX_NUM_VSET_LUNS_PER_TARGET; lun++ ) | |
8878 | scsi_add_device(ioa_cfg->host, IPR_VSET_BUS, target, lun); | |
8879 | } | |
8880 | ||
8881 | /** | |
8882 | * ipr_initiate_ioa_bringdown - Bring down an adapter | |
8883 | * @ioa_cfg: ioa config struct | |
8884 | * @shutdown_type: shutdown type | |
8885 | * | |
8886 | * Description: This function will initiate bringing down the adapter. | |
8887 | * This consists of issuing an IOA shutdown to the adapter | |
8888 | * to flush the cache, and running BIST. | |
8889 | * If the caller needs to wait on the completion of the reset, | |
8890 | * the caller must sleep on the reset_wait_q. | |
8891 | * | |
8892 | * Return value: | |
8893 | * none | |
8894 | **/ | |
8895 | static void ipr_initiate_ioa_bringdown(struct ipr_ioa_cfg *ioa_cfg, | |
8896 | enum ipr_shutdown_type shutdown_type) | |
8897 | { | |
8898 | ENTER; | |
8899 | if (ioa_cfg->sdt_state == WAIT_FOR_DUMP) | |
8900 | ioa_cfg->sdt_state = ABORT_DUMP; | |
8901 | ioa_cfg->reset_retries = 0; | |
8902 | ioa_cfg->in_ioa_bringdown = 1; | |
8903 | ipr_initiate_ioa_reset(ioa_cfg, shutdown_type); | |
8904 | LEAVE; | |
8905 | } | |
8906 | ||
8907 | /** | |
8908 | * __ipr_remove - Remove a single adapter | |
8909 | * @pdev: pci device struct | |
8910 | * | |
8911 | * Adapter hot plug remove entry point. | |
8912 | * | |
8913 | * Return value: | |
8914 | * none | |
8915 | **/ | |
8916 | static void __ipr_remove(struct pci_dev *pdev) | |
8917 | { | |
8918 | unsigned long host_lock_flags = 0; | |
8919 | struct ipr_ioa_cfg *ioa_cfg = pci_get_drvdata(pdev); | |
8920 | ENTER; | |
8921 | ||
8922 | spin_lock_irqsave(ioa_cfg->host->host_lock, host_lock_flags); | |
970ea294 BK |
8923 | while(ioa_cfg->in_reset_reload) { |
8924 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, host_lock_flags); | |
8925 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
8926 | spin_lock_irqsave(ioa_cfg->host->host_lock, host_lock_flags); | |
8927 | } | |
8928 | ||
1da177e4 LT |
8929 | ipr_initiate_ioa_bringdown(ioa_cfg, IPR_SHUTDOWN_NORMAL); |
8930 | ||
8931 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, host_lock_flags); | |
8932 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
a684b8da | 8933 | flush_work_sync(&ioa_cfg->work_q); |
1da177e4 LT |
8934 | spin_lock_irqsave(ioa_cfg->host->host_lock, host_lock_flags); |
8935 | ||
8936 | spin_lock(&ipr_driver_lock); | |
8937 | list_del(&ioa_cfg->queue); | |
8938 | spin_unlock(&ipr_driver_lock); | |
8939 | ||
8940 | if (ioa_cfg->sdt_state == ABORT_DUMP) | |
8941 | ioa_cfg->sdt_state = WAIT_FOR_DUMP; | |
8942 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, host_lock_flags); | |
8943 | ||
8944 | ipr_free_all_resources(ioa_cfg); | |
8945 | ||
8946 | LEAVE; | |
8947 | } | |
8948 | ||
8949 | /** | |
8950 | * ipr_remove - IOA hot plug remove entry point | |
8951 | * @pdev: pci device struct | |
8952 | * | |
8953 | * Adapter hot plug remove entry point. | |
8954 | * | |
8955 | * Return value: | |
8956 | * none | |
8957 | **/ | |
f381642d | 8958 | static void __devexit ipr_remove(struct pci_dev *pdev) |
1da177e4 LT |
8959 | { |
8960 | struct ipr_ioa_cfg *ioa_cfg = pci_get_drvdata(pdev); | |
8961 | ||
8962 | ENTER; | |
8963 | ||
ee959b00 | 8964 | ipr_remove_trace_file(&ioa_cfg->host->shost_dev.kobj, |
1da177e4 | 8965 | &ipr_trace_attr); |
ee959b00 | 8966 | ipr_remove_dump_file(&ioa_cfg->host->shost_dev.kobj, |
1da177e4 LT |
8967 | &ipr_dump_attr); |
8968 | scsi_remove_host(ioa_cfg->host); | |
8969 | ||
8970 | __ipr_remove(pdev); | |
8971 | ||
8972 | LEAVE; | |
8973 | } | |
8974 | ||
8975 | /** | |
8976 | * ipr_probe - Adapter hot plug add entry point | |
8977 | * | |
8978 | * Return value: | |
8979 | * 0 on success / non-zero on failure | |
8980 | **/ | |
8981 | static int __devinit ipr_probe(struct pci_dev *pdev, | |
8982 | const struct pci_device_id *dev_id) | |
8983 | { | |
8984 | struct ipr_ioa_cfg *ioa_cfg; | |
8985 | int rc; | |
8986 | ||
8987 | rc = ipr_probe_ioa(pdev, dev_id); | |
8988 | ||
8989 | if (rc) | |
8990 | return rc; | |
8991 | ||
8992 | ioa_cfg = pci_get_drvdata(pdev); | |
8993 | rc = ipr_probe_ioa_part2(ioa_cfg); | |
8994 | ||
8995 | if (rc) { | |
8996 | __ipr_remove(pdev); | |
8997 | return rc; | |
8998 | } | |
8999 | ||
9000 | rc = scsi_add_host(ioa_cfg->host, &pdev->dev); | |
9001 | ||
9002 | if (rc) { | |
9003 | __ipr_remove(pdev); | |
9004 | return rc; | |
9005 | } | |
9006 | ||
ee959b00 | 9007 | rc = ipr_create_trace_file(&ioa_cfg->host->shost_dev.kobj, |
1da177e4 LT |
9008 | &ipr_trace_attr); |
9009 | ||
9010 | if (rc) { | |
9011 | scsi_remove_host(ioa_cfg->host); | |
9012 | __ipr_remove(pdev); | |
9013 | return rc; | |
9014 | } | |
9015 | ||
ee959b00 | 9016 | rc = ipr_create_dump_file(&ioa_cfg->host->shost_dev.kobj, |
1da177e4 LT |
9017 | &ipr_dump_attr); |
9018 | ||
9019 | if (rc) { | |
ee959b00 | 9020 | ipr_remove_trace_file(&ioa_cfg->host->shost_dev.kobj, |
1da177e4 LT |
9021 | &ipr_trace_attr); |
9022 | scsi_remove_host(ioa_cfg->host); | |
9023 | __ipr_remove(pdev); | |
9024 | return rc; | |
9025 | } | |
9026 | ||
9027 | scsi_scan_host(ioa_cfg->host); | |
9028 | ipr_scan_vsets(ioa_cfg); | |
9029 | scsi_add_device(ioa_cfg->host, IPR_IOA_BUS, IPR_IOA_TARGET, IPR_IOA_LUN); | |
9030 | ioa_cfg->allow_ml_add_del = 1; | |
11cd8f12 | 9031 | ioa_cfg->host->max_channel = IPR_VSET_BUS; |
1da177e4 LT |
9032 | schedule_work(&ioa_cfg->work_q); |
9033 | return 0; | |
9034 | } | |
9035 | ||
9036 | /** | |
9037 | * ipr_shutdown - Shutdown handler. | |
d18c3db5 | 9038 | * @pdev: pci device struct |
1da177e4 LT |
9039 | * |
9040 | * This function is invoked upon system shutdown/reboot. It will issue | |
9041 | * an adapter shutdown to the adapter to flush the write cache. | |
9042 | * | |
9043 | * Return value: | |
9044 | * none | |
9045 | **/ | |
d18c3db5 | 9046 | static void ipr_shutdown(struct pci_dev *pdev) |
1da177e4 | 9047 | { |
d18c3db5 | 9048 | struct ipr_ioa_cfg *ioa_cfg = pci_get_drvdata(pdev); |
1da177e4 LT |
9049 | unsigned long lock_flags = 0; |
9050 | ||
9051 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
970ea294 BK |
9052 | while(ioa_cfg->in_reset_reload) { |
9053 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
9054 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
9055 | spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); | |
9056 | } | |
9057 | ||
1da177e4 LT |
9058 | ipr_initiate_ioa_bringdown(ioa_cfg, IPR_SHUTDOWN_NORMAL); |
9059 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); | |
9060 | wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); | |
9061 | } | |
9062 | ||
9063 | static struct pci_device_id ipr_pci_table[] __devinitdata = { | |
9064 | { PCI_VENDOR_ID_MYLEX, PCI_DEVICE_ID_IBM_GEMSTONE, | |
6d84c944 | 9065 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_5702, 0, 0, 0 }, |
1da177e4 | 9066 | { PCI_VENDOR_ID_MYLEX, PCI_DEVICE_ID_IBM_GEMSTONE, |
6d84c944 | 9067 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_5703, 0, 0, 0 }, |
1da177e4 | 9068 | { PCI_VENDOR_ID_MYLEX, PCI_DEVICE_ID_IBM_GEMSTONE, |
6d84c944 | 9069 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_573D, 0, 0, 0 }, |
1da177e4 | 9070 | { PCI_VENDOR_ID_MYLEX, PCI_DEVICE_ID_IBM_GEMSTONE, |
6d84c944 | 9071 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_573E, 0, 0, 0 }, |
1da177e4 | 9072 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CITRINE, |
6d84c944 | 9073 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_571B, 0, 0, 0 }, |
1da177e4 | 9074 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CITRINE, |
6d84c944 | 9075 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572E, 0, 0, 0 }, |
1da177e4 | 9076 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CITRINE, |
6d84c944 | 9077 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_571A, 0, 0, 0 }, |
86f51436 | 9078 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CITRINE, |
5469cb5b BK |
9079 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_575B, 0, 0, |
9080 | IPR_USE_LONG_TRANSOP_TIMEOUT }, | |
86f51436 | 9081 | { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN, |
6d84c944 | 9082 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572A, 0, 0, 0 }, |
86f51436 | 9083 | { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN, |
22d2e402 BK |
9084 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572B, 0, 0, |
9085 | IPR_USE_LONG_TRANSOP_TIMEOUT }, | |
60e7486b | 9086 | { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN, |
5469cb5b BK |
9087 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_575C, 0, 0, |
9088 | IPR_USE_LONG_TRANSOP_TIMEOUT }, | |
86f51436 | 9089 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN, |
6d84c944 | 9090 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572A, 0, 0, 0 }, |
86f51436 | 9091 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN, |
22d2e402 BK |
9092 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572B, 0, 0, |
9093 | IPR_USE_LONG_TRANSOP_TIMEOUT}, | |
60e7486b | 9094 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN, |
5469cb5b BK |
9095 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_575C, 0, 0, |
9096 | IPR_USE_LONG_TRANSOP_TIMEOUT }, | |
185eb31c | 9097 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E, |
22d2e402 BK |
9098 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_574E, 0, 0, |
9099 | IPR_USE_LONG_TRANSOP_TIMEOUT }, | |
185eb31c BK |
9100 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E, |
9101 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B3, 0, 0, 0 }, | |
b0f56d3d WB |
9102 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E, |
9103 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57CC, 0, 0, 0 }, | |
60e7486b | 9104 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E, |
5469cb5b | 9105 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B7, 0, 0, |
463fc696 | 9106 | IPR_USE_LONG_TRANSOP_TIMEOUT | IPR_USE_PCI_WARM_RESET }, |
1da177e4 | 9107 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_SNIPE, |
6d84c944 | 9108 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_2780, 0, 0, 0 }, |
1da177e4 | 9109 | { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP, |
6d84c944 | 9110 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_571E, 0, 0, 0 }, |
86f51436 | 9111 | { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP, |
5469cb5b BK |
9112 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_571F, 0, 0, |
9113 | IPR_USE_LONG_TRANSOP_TIMEOUT }, | |
60e7486b | 9114 | { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP, |
5469cb5b BK |
9115 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572F, 0, 0, |
9116 | IPR_USE_LONG_TRANSOP_TIMEOUT }, | |
d7b4627f WB |
9117 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_FPGA_E2, |
9118 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B5, 0, 0, 0 }, | |
9119 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_FPGA_E2, | |
9120 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_574D, 0, 0, 0 }, | |
9121 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_FPGA_E2, | |
9122 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B2, 0, 0, 0 }, | |
32622bde WB |
9123 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_FPGA_E2, |
9124 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57C4, 0, 0, 0 }, | |
d7b4627f WB |
9125 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_ASIC_E2, |
9126 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B4, 0, 0, 0 }, | |
9127 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_ASIC_E2, | |
9128 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B1, 0, 0, 0 }, | |
9129 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_ASIC_E2, | |
9130 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57C6, 0, 0, 0 }, | |
9131 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_ASIC_E2, | |
9132 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_575D, 0, 0, 0 }, | |
9133 | { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_ASIC_E2, | |
9134 | PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57CE, 0, 0, 0 }, | |
1da177e4 LT |
9135 | { } |
9136 | }; | |
9137 | MODULE_DEVICE_TABLE(pci, ipr_pci_table); | |
9138 | ||
f8a88b19 LV |
9139 | static struct pci_error_handlers ipr_err_handler = { |
9140 | .error_detected = ipr_pci_error_detected, | |
9141 | .slot_reset = ipr_pci_slot_reset, | |
9142 | }; | |
9143 | ||
1da177e4 LT |
9144 | static struct pci_driver ipr_driver = { |
9145 | .name = IPR_NAME, | |
9146 | .id_table = ipr_pci_table, | |
9147 | .probe = ipr_probe, | |
f381642d | 9148 | .remove = __devexit_p(ipr_remove), |
d18c3db5 | 9149 | .shutdown = ipr_shutdown, |
f8a88b19 | 9150 | .err_handler = &ipr_err_handler, |
1da177e4 LT |
9151 | }; |
9152 | ||
f72919ec WB |
9153 | /** |
9154 | * ipr_halt_done - Shutdown prepare completion | |
9155 | * | |
9156 | * Return value: | |
9157 | * none | |
9158 | **/ | |
9159 | static void ipr_halt_done(struct ipr_cmnd *ipr_cmd) | |
9160 | { | |
9161 | struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; | |
9162 | ||
9163 | list_add_tail(&ipr_cmd->queue, &ioa_cfg->free_q); | |
9164 | } | |
9165 | ||
9166 | /** | |
9167 | * ipr_halt - Issue shutdown prepare to all adapters | |
9168 | * | |
9169 | * Return value: | |
9170 | * NOTIFY_OK on success / NOTIFY_DONE on failure | |
9171 | **/ | |
9172 | static int ipr_halt(struct notifier_block *nb, ulong event, void *buf) | |
9173 | { | |
9174 | struct ipr_cmnd *ipr_cmd; | |
9175 | struct ipr_ioa_cfg *ioa_cfg; | |
9176 | unsigned long flags = 0; | |
9177 | ||
9178 | if (event != SYS_RESTART && event != SYS_HALT && event != SYS_POWER_OFF) | |
9179 | return NOTIFY_DONE; | |
9180 | ||
9181 | spin_lock(&ipr_driver_lock); | |
9182 | ||
9183 | list_for_each_entry(ioa_cfg, &ipr_ioa_head, queue) { | |
9184 | spin_lock_irqsave(ioa_cfg->host->host_lock, flags); | |
9185 | if (!ioa_cfg->allow_cmds) { | |
9186 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); | |
9187 | continue; | |
9188 | } | |
9189 | ||
9190 | ipr_cmd = ipr_get_free_ipr_cmnd(ioa_cfg); | |
9191 | ipr_cmd->ioarcb.res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE); | |
9192 | ipr_cmd->ioarcb.cmd_pkt.request_type = IPR_RQTYPE_IOACMD; | |
9193 | ipr_cmd->ioarcb.cmd_pkt.cdb[0] = IPR_IOA_SHUTDOWN; | |
9194 | ipr_cmd->ioarcb.cmd_pkt.cdb[1] = IPR_SHUTDOWN_PREPARE_FOR_NORMAL; | |
9195 | ||
9196 | ipr_do_req(ipr_cmd, ipr_halt_done, ipr_timeout, IPR_DEVICE_RESET_TIMEOUT); | |
9197 | spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); | |
9198 | } | |
9199 | spin_unlock(&ipr_driver_lock); | |
9200 | ||
9201 | return NOTIFY_OK; | |
9202 | } | |
9203 | ||
9204 | static struct notifier_block ipr_notifier = { | |
9205 | ipr_halt, NULL, 0 | |
9206 | }; | |
9207 | ||
1da177e4 LT |
9208 | /** |
9209 | * ipr_init - Module entry point | |
9210 | * | |
9211 | * Return value: | |
9212 | * 0 on success / negative value on failure | |
9213 | **/ | |
9214 | static int __init ipr_init(void) | |
9215 | { | |
9216 | ipr_info("IBM Power RAID SCSI Device Driver version: %s %s\n", | |
9217 | IPR_DRIVER_VERSION, IPR_DRIVER_DATE); | |
9218 | ||
f72919ec | 9219 | register_reboot_notifier(&ipr_notifier); |
dcbccbde | 9220 | return pci_register_driver(&ipr_driver); |
1da177e4 LT |
9221 | } |
9222 | ||
9223 | /** | |
9224 | * ipr_exit - Module unload | |
9225 | * | |
9226 | * Module unload entry point. | |
9227 | * | |
9228 | * Return value: | |
9229 | * none | |
9230 | **/ | |
9231 | static void __exit ipr_exit(void) | |
9232 | { | |
f72919ec | 9233 | unregister_reboot_notifier(&ipr_notifier); |
1da177e4 LT |
9234 | pci_unregister_driver(&ipr_driver); |
9235 | } | |
9236 | ||
9237 | module_init(ipr_init); | |
9238 | module_exit(ipr_exit); |