This source file includes following definitions.
- aac_queuecommand
- aac_info
- aac_get_driver_ident
- aac_biosparm
- aac_slave_configure
- aac_change_queue_depth
- aac_show_raid_level
- aac_show_unique_id
- aac_ioctl
- get_num_of_incomplete_fibs
- aac_eh_abort
- aac_eh_tmf_lun_reset_fib
- aac_eh_tmf_hard_reset_fib
- aac_tmf_callback
- aac_eh_dev_reset
- aac_eh_target_reset
- aac_eh_bus_reset
- aac_eh_host_reset
- aac_cfg_open
- aac_cfg_ioctl
- aac_compat_do_ioctl
- aac_compat_ioctl
- aac_compat_cfg_ioctl
- aac_show_model
- aac_show_vendor
- aac_show_flags
- aac_show_kernel_version
- aac_show_monitor_version
- aac_show_bios_version
- aac_show_driver_version
- aac_show_serial_number
- aac_show_max_channel
- aac_show_max_id
- aac_store_reset_adapter
- aac_show_reset_adapter
- aac_get_serial_number
- __aac_shutdown
- aac_init_char
- aac_probe_one
- aac_release_resources
- aac_acquire_resources
- aac_suspend
- aac_resume
- aac_shutdown
- aac_remove_one
- aac_flush_ios
- aac_pci_error_detected
- aac_pci_mmio_enabled
- aac_pci_slot_reset
- aac_pci_resume
- aac_init
- aac_exit
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20 #include <linux/compat.h>
21 #include <linux/blkdev.h>
22 #include <linux/completion.h>
23 #include <linux/init.h>
24 #include <linux/interrupt.h>
25 #include <linux/kernel.h>
26 #include <linux/module.h>
27 #include <linux/moduleparam.h>
28 #include <linux/pci.h>
29 #include <linux/aer.h>
30 #include <linux/slab.h>
31 #include <linux/mutex.h>
32 #include <linux/spinlock.h>
33 #include <linux/syscalls.h>
34 #include <linux/delay.h>
35 #include <linux/kthread.h>
36
37 #include <scsi/scsi.h>
38 #include <scsi/scsi_cmnd.h>
39 #include <scsi/scsi_device.h>
40 #include <scsi/scsi_host.h>
41 #include <scsi/scsi_tcq.h>
42 #include <scsi/scsicam.h>
43 #include <scsi/scsi_eh.h>
44
45 #include "aacraid.h"
46
47 #define AAC_DRIVER_VERSION "1.2.1"
48 #ifndef AAC_DRIVER_BRANCH
49 #define AAC_DRIVER_BRANCH ""
50 #endif
51 #define AAC_DRIVERNAME "aacraid"
52
53 #ifdef AAC_DRIVER_BUILD
54 #define _str(x) #x
55 #define str(x) _str(x)
56 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH
57 #else
58 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH
59 #endif
60
61 MODULE_AUTHOR("Red Hat Inc and Adaptec");
62 MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
63 "Adaptec Advanced Raid Products, "
64 "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver");
65 MODULE_LICENSE("GPL");
66 MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
67
68 static DEFINE_MUTEX(aac_mutex);
69 static LIST_HEAD(aac_devices);
70 static int aac_cfg_major = AAC_CHARDEV_UNREGISTERED;
71 char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
72
73
74
75
76
77
78
79 static const struct pci_device_id aac_pci_tbl[] = {
80 { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 },
81 { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 },
82 { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 },
83 { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 },
84 { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 },
85 { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 },
86 { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 },
87 { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 },
88 { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 },
89 { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 },
90 { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 },
91 { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 },
92 { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 },
93 { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 },
94 { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 },
95 { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 },
96
97 { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 },
98 { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 },
99 { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 },
100 { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 },
101 { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 },
102 { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 },
103 { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 },
104 { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 },
105 { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 },
106 { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 },
107 { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 },
108 { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 },
109 { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 },
110 { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 },
111 { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 },
112 { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 },
113 { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 },
114 { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 },
115 { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 },
116 { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 },
117 { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 },
118 { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 },
119 { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 },
120 { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 },
121 { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 },
122 { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 },
123 { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 },
124 { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 },
125 { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 },
126 { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 },
127 { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 },
128 { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 },
129 { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 },
130 { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 },
131 { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 },
132 { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 },
133 { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 },
134 { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 },
135
136 { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 },
137 { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 },
138 { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 },
139 { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 },
140 { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 },
141
142 { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 },
143 { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 },
144 { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 },
145 { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 },
146 { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 },
147 { 0x9005, 0x028b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 62 },
148 { 0x9005, 0x028c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 63 },
149 { 0x9005, 0x028d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 64 },
150 { 0,}
151 };
152 MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
153
154
155
156
157
158
159 static struct aac_driver_ident aac_drivers[] = {
160 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 },
161 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 },
162 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 },
163 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 },
164 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 },
165 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 },
166 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 },
167 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 },
168 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 },
169 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 },
170 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 },
171 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG },
172 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG },
173 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 },
174 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 },
175 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 },
176
177 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 },
178 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 },
179 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 },
180 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 },
181 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 },
182 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 },
183 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 },
184 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 },
185 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 },
186 { aac_rkt_init, "aacraid", "ICP ", "ICP9024RO ", 2 },
187 { aac_rkt_init, "aacraid", "ICP ", "ICP9014RO ", 1 },
188 { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 },
189 { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 },
190 { aac_rkt_init, "aacraid", "ICP ", "ICP5445AU ", 1 },
191 { aac_rx_init, "aacraid", "ICP ", "ICP9085LI ", 1 },
192 { aac_rx_init, "aacraid", "ICP ", "ICP5085BR ", 1 },
193 { aac_rkt_init, "aacraid", "ICP ", "ICP9067MA ", 1 },
194 { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE },
195 { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER },
196 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 },
197 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 },
198 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG },
199 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1, AAC_QUIRK_17SG },
200 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG },
201 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG },
202 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 },
203 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 },
204 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 },
205 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005 ", 1 },
206 { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 },
207 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l8 ", 1 },
208 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l4 ", 1 },
209 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000 ", 1 },
210 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 },
211 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 },
212 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-3800 ", 1 },
213
214 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG },
215 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG },
216 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG },
217 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_34SG },
218 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG },
219
220 { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 },
221 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 },
222 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2 },
223 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 },
224 { aac_nark_init, "aacraid", "ADAPTEC ", "RAID ", 2 },
225 { aac_src_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC },
226 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC },
227 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC },
228 };
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238
239
240 static int aac_queuecommand(struct Scsi_Host *shost,
241 struct scsi_cmnd *cmd)
242 {
243 int r = 0;
244 cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
245 r = (aac_scsi_cmd(cmd) ? FAILED : 0);
246 return r;
247 }
248
249
250
251
252
253
254
255
256 static const char *aac_info(struct Scsi_Host *shost)
257 {
258 struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
259 return aac_drivers[dev->cardtype].name;
260 }
261
262
263
264
265
266
267
268
269 struct aac_driver_ident* aac_get_driver_ident(int devtype)
270 {
271 return &aac_drivers[devtype];
272 }
273
274
275
276
277
278
279
280
281
282
283
284
285
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287
288
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290
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295
296 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
297 sector_t capacity, int *geom)
298 {
299 struct diskparm *param = (struct diskparm *)geom;
300 unsigned char *buf;
301
302 dprintk((KERN_DEBUG "aac_biosparm.\n"));
303
304
305
306
307 if (capacity >= 2 * 1024 * 1024) {
308 if(capacity >= 4 * 1024 * 1024) {
309 param->heads = 255;
310 param->sectors = 63;
311 } else {
312 param->heads = 128;
313 param->sectors = 32;
314 }
315 } else {
316 param->heads = 64;
317 param->sectors = 32;
318 }
319
320 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
321
322
323
324
325
326
327
328 buf = scsi_bios_ptable(bdev);
329 if (!buf)
330 return 0;
331 if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
332 struct partition *first = (struct partition * )buf;
333 struct partition *entry = first;
334 int saved_cylinders = param->cylinders;
335 int num;
336 unsigned char end_head, end_sec;
337
338 for(num = 0; num < 4; num++) {
339 end_head = entry->end_head;
340 end_sec = entry->end_sector & 0x3f;
341
342 if(end_head == 63) {
343 param->heads = 64;
344 param->sectors = 32;
345 break;
346 } else if(end_head == 127) {
347 param->heads = 128;
348 param->sectors = 32;
349 break;
350 } else if(end_head == 254) {
351 param->heads = 255;
352 param->sectors = 63;
353 break;
354 }
355 entry++;
356 }
357
358 if (num == 4) {
359 end_head = first->end_head;
360 end_sec = first->end_sector & 0x3f;
361 }
362
363 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
364 if (num < 4 && end_sec == param->sectors) {
365 if (param->cylinders != saved_cylinders)
366 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
367 param->heads, param->sectors, num));
368 } else if (end_head > 0 || end_sec > 0) {
369 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
370 end_head + 1, end_sec, num));
371 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
372 param->heads, param->sectors));
373 }
374 }
375 kfree(buf);
376 return 0;
377 }
378
379
380
381
382
383
384
385
386
387
388 static int aac_slave_configure(struct scsi_device *sdev)
389 {
390 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
391 int chn, tid;
392 unsigned int depth = 0;
393 unsigned int set_timeout = 0;
394 bool set_qd_dev_type = false;
395 u8 devtype = 0;
396
397 chn = aac_logical_to_phys(sdev_channel(sdev));
398 tid = sdev_id(sdev);
399 if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS && aac->sa_firmware) {
400 devtype = aac->hba_map[chn][tid].devtype;
401
402 if (devtype == AAC_DEVTYPE_NATIVE_RAW) {
403 depth = aac->hba_map[chn][tid].qd_limit;
404 set_timeout = 1;
405 goto common_config;
406 }
407 if (devtype == AAC_DEVTYPE_ARC_RAW) {
408 set_qd_dev_type = true;
409 set_timeout = 1;
410 goto common_config;
411 }
412 }
413
414 if (aac->jbod && (sdev->type == TYPE_DISK))
415 sdev->removable = 1;
416
417 if (sdev->type == TYPE_DISK
418 && sdev_channel(sdev) != CONTAINER_CHANNEL
419 && (!aac->jbod || sdev->inq_periph_qual)
420 && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
421
422 if (expose_physicals == 0)
423 return -ENXIO;
424
425 if (expose_physicals < 0)
426 sdev->no_uld_attach = 1;
427 }
428
429 if (sdev->tagged_supported
430 && sdev->type == TYPE_DISK
431 && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
432 && !sdev->no_uld_attach) {
433
434 struct scsi_device * dev;
435 struct Scsi_Host *host = sdev->host;
436 unsigned num_lsu = 0;
437 unsigned num_one = 0;
438 unsigned cid;
439
440 set_timeout = 1;
441
442 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
443 if (aac->fsa_dev[cid].valid)
444 ++num_lsu;
445
446 __shost_for_each_device(dev, host) {
447 if (dev->tagged_supported
448 && dev->type == TYPE_DISK
449 && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
450 && !dev->no_uld_attach) {
451 if ((sdev_channel(dev) != CONTAINER_CHANNEL)
452 || !aac->fsa_dev[sdev_id(dev)].valid) {
453 ++num_lsu;
454 }
455 } else {
456 ++num_one;
457 }
458 }
459
460 if (num_lsu == 0)
461 ++num_lsu;
462
463 depth = (host->can_queue - num_one) / num_lsu;
464
465 if (sdev_channel(sdev) != NATIVE_CHANNEL)
466 goto common_config;
467
468 set_qd_dev_type = true;
469
470 }
471
472 common_config:
473
474
475
476
477 if (set_qd_dev_type) {
478 if (strncmp(sdev->vendor, "ATA", 3) == 0)
479 depth = 32;
480 else
481 depth = 64;
482 }
483
484
485
486
487
488 if (set_timeout && sdev->request_queue->rq_timeout < (45 * HZ))
489 blk_queue_rq_timeout(sdev->request_queue, 45*HZ);
490
491 if (depth > 256)
492 depth = 256;
493 else if (depth < 1)
494 depth = 1;
495
496 scsi_change_queue_depth(sdev, depth);
497
498 sdev->tagged_supported = 1;
499
500 return 0;
501 }
502
503
504
505
506
507
508
509
510
511
512 static int aac_change_queue_depth(struct scsi_device *sdev, int depth)
513 {
514 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
515 int chn, tid, is_native_device = 0;
516
517 chn = aac_logical_to_phys(sdev_channel(sdev));
518 tid = sdev_id(sdev);
519 if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS &&
520 aac->hba_map[chn][tid].devtype == AAC_DEVTYPE_NATIVE_RAW)
521 is_native_device = 1;
522
523 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
524 (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
525 struct scsi_device * dev;
526 struct Scsi_Host *host = sdev->host;
527 unsigned num = 0;
528
529 __shost_for_each_device(dev, host) {
530 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
531 (sdev_channel(dev) == CONTAINER_CHANNEL))
532 ++num;
533 ++num;
534 }
535 if (num >= host->can_queue)
536 num = host->can_queue - 1;
537 if (depth > (host->can_queue - num))
538 depth = host->can_queue - num;
539 if (depth > 256)
540 depth = 256;
541 else if (depth < 2)
542 depth = 2;
543 return scsi_change_queue_depth(sdev, depth);
544 } else if (is_native_device) {
545 scsi_change_queue_depth(sdev, aac->hba_map[chn][tid].qd_limit);
546 } else {
547 scsi_change_queue_depth(sdev, 1);
548 }
549 return sdev->queue_depth;
550 }
551
552 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
553 {
554 struct scsi_device *sdev = to_scsi_device(dev);
555 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
556 if (sdev_channel(sdev) != CONTAINER_CHANNEL)
557 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
558 ? "Hidden\n" :
559 ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
560 return snprintf(buf, PAGE_SIZE, "%s\n",
561 get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
562 }
563
564 static struct device_attribute aac_raid_level_attr = {
565 .attr = {
566 .name = "level",
567 .mode = S_IRUGO,
568 },
569 .show = aac_show_raid_level
570 };
571
572 static ssize_t aac_show_unique_id(struct device *dev,
573 struct device_attribute *attr, char *buf)
574 {
575 struct scsi_device *sdev = to_scsi_device(dev);
576 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
577 unsigned char sn[16];
578
579 memset(sn, 0, sizeof(sn));
580
581 if (sdev_channel(sdev) == CONTAINER_CHANNEL)
582 memcpy(sn, aac->fsa_dev[sdev_id(sdev)].identifier, sizeof(sn));
583
584 return snprintf(buf, 16 * 2 + 2,
585 "%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X\n",
586 sn[0], sn[1], sn[2], sn[3],
587 sn[4], sn[5], sn[6], sn[7],
588 sn[8], sn[9], sn[10], sn[11],
589 sn[12], sn[13], sn[14], sn[15]);
590 }
591
592 static struct device_attribute aac_unique_id_attr = {
593 .attr = {
594 .name = "unique_id",
595 .mode = 0444,
596 },
597 .show = aac_show_unique_id
598 };
599
600
601
602 static struct device_attribute *aac_dev_attrs[] = {
603 &aac_raid_level_attr,
604 &aac_unique_id_attr,
605 NULL,
606 };
607
608 static int aac_ioctl(struct scsi_device *sdev, unsigned int cmd,
609 void __user *arg)
610 {
611 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
612 if (!capable(CAP_SYS_RAWIO))
613 return -EPERM;
614 return aac_do_ioctl(dev, cmd, arg);
615 }
616
617 static int get_num_of_incomplete_fibs(struct aac_dev *aac)
618 {
619
620 unsigned long flags;
621 struct scsi_device *sdev = NULL;
622 struct Scsi_Host *shost = aac->scsi_host_ptr;
623 struct scsi_cmnd *scmnd = NULL;
624 struct device *ctrl_dev;
625
626 int mlcnt = 0;
627 int llcnt = 0;
628 int ehcnt = 0;
629 int fwcnt = 0;
630 int krlcnt = 0;
631
632 __shost_for_each_device(sdev, shost) {
633 spin_lock_irqsave(&sdev->list_lock, flags);
634 list_for_each_entry(scmnd, &sdev->cmd_list, list) {
635 switch (scmnd->SCp.phase) {
636 case AAC_OWNER_FIRMWARE:
637 fwcnt++;
638 break;
639 case AAC_OWNER_ERROR_HANDLER:
640 ehcnt++;
641 break;
642 case AAC_OWNER_LOWLEVEL:
643 llcnt++;
644 break;
645 case AAC_OWNER_MIDLEVEL:
646 mlcnt++;
647 break;
648 default:
649 krlcnt++;
650 break;
651 }
652 }
653 spin_unlock_irqrestore(&sdev->list_lock, flags);
654 }
655
656 ctrl_dev = &aac->pdev->dev;
657
658 dev_info(ctrl_dev, "outstanding cmd: midlevel-%d\n", mlcnt);
659 dev_info(ctrl_dev, "outstanding cmd: lowlevel-%d\n", llcnt);
660 dev_info(ctrl_dev, "outstanding cmd: error handler-%d\n", ehcnt);
661 dev_info(ctrl_dev, "outstanding cmd: firmware-%d\n", fwcnt);
662 dev_info(ctrl_dev, "outstanding cmd: kernel-%d\n", krlcnt);
663
664 return mlcnt + llcnt + ehcnt + fwcnt;
665 }
666
667 static int aac_eh_abort(struct scsi_cmnd* cmd)
668 {
669 struct scsi_device * dev = cmd->device;
670 struct Scsi_Host * host = dev->host;
671 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
672 int count, found;
673 u32 bus, cid;
674 int ret = FAILED;
675
676 if (aac_adapter_check_health(aac))
677 return ret;
678
679 bus = aac_logical_to_phys(scmd_channel(cmd));
680 cid = scmd_id(cmd);
681 if (aac->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) {
682 struct fib *fib;
683 struct aac_hba_tm_req *tmf;
684 int status;
685 u64 address;
686
687 pr_err("%s: Host adapter abort request (%d,%d,%d,%d)\n",
688 AAC_DRIVERNAME,
689 host->host_no, sdev_channel(dev), sdev_id(dev), (int)dev->lun);
690
691 found = 0;
692 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
693 fib = &aac->fibs[count];
694 if (*(u8 *)fib->hw_fib_va != 0 &&
695 (fib->flags & FIB_CONTEXT_FLAG_NATIVE_HBA) &&
696 (fib->callback_data == cmd)) {
697 found = 1;
698 break;
699 }
700 }
701 if (!found)
702 return ret;
703
704
705 fib = aac_fib_alloc(aac);
706 if (!fib)
707 return ret;
708
709 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
710 memset(tmf, 0, sizeof(*tmf));
711 tmf->tmf = HBA_TMF_ABORT_TASK;
712 tmf->it_nexus = aac->hba_map[bus][cid].rmw_nexus;
713 tmf->lun[1] = cmd->device->lun;
714
715 address = (u64)fib->hw_error_pa;
716 tmf->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
717 tmf->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
718 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
719
720 fib->hbacmd_size = sizeof(*tmf);
721 cmd->SCp.sent_command = 0;
722
723 status = aac_hba_send(HBA_IU_TYPE_SCSI_TM_REQ, fib,
724 (fib_callback) aac_hba_callback,
725 (void *) cmd);
726
727
728 for (count = 0; count < 15; ++count) {
729 if (cmd->SCp.sent_command) {
730 ret = SUCCESS;
731 break;
732 }
733 msleep(1000);
734 }
735
736 if (ret != SUCCESS)
737 pr_err("%s: Host adapter abort request timed out\n",
738 AAC_DRIVERNAME);
739 } else {
740 pr_err(
741 "%s: Host adapter abort request.\n"
742 "%s: Outstanding commands on (%d,%d,%d,%d):\n",
743 AAC_DRIVERNAME, AAC_DRIVERNAME,
744 host->host_no, sdev_channel(dev), sdev_id(dev),
745 (int)dev->lun);
746 switch (cmd->cmnd[0]) {
747 case SERVICE_ACTION_IN_16:
748 if (!(aac->raw_io_interface) ||
749 !(aac->raw_io_64) ||
750 ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
751 break;
752
753 case INQUIRY:
754 case READ_CAPACITY:
755
756
757
758
759 for (count = 0;
760 count < (host->can_queue + AAC_NUM_MGT_FIB);
761 ++count) {
762 struct fib *fib = &aac->fibs[count];
763
764 if (fib->hw_fib_va->header.XferState &&
765 (fib->flags & FIB_CONTEXT_FLAG) &&
766 (fib->callback_data == cmd)) {
767 fib->flags |=
768 FIB_CONTEXT_FLAG_TIMED_OUT;
769 cmd->SCp.phase =
770 AAC_OWNER_ERROR_HANDLER;
771 ret = SUCCESS;
772 }
773 }
774 break;
775 case TEST_UNIT_READY:
776
777
778
779
780 for (count = 0;
781 count < (host->can_queue + AAC_NUM_MGT_FIB);
782 ++count) {
783 struct scsi_cmnd *command;
784 struct fib *fib = &aac->fibs[count];
785
786 command = fib->callback_data;
787
788 if ((fib->hw_fib_va->header.XferState &
789 cpu_to_le32
790 (Async | NoResponseExpected)) &&
791 (fib->flags & FIB_CONTEXT_FLAG) &&
792 ((command)) &&
793 (command->device == cmd->device)) {
794 fib->flags |=
795 FIB_CONTEXT_FLAG_TIMED_OUT;
796 command->SCp.phase =
797 AAC_OWNER_ERROR_HANDLER;
798 if (command == cmd)
799 ret = SUCCESS;
800 }
801 }
802 break;
803 }
804 }
805 return ret;
806 }
807
808 static u8 aac_eh_tmf_lun_reset_fib(struct aac_hba_map_info *info,
809 struct fib *fib, u64 tmf_lun)
810 {
811 struct aac_hba_tm_req *tmf;
812 u64 address;
813
814
815 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
816 memset(tmf, 0, sizeof(*tmf));
817 tmf->tmf = HBA_TMF_LUN_RESET;
818 tmf->it_nexus = info->rmw_nexus;
819 int_to_scsilun(tmf_lun, (struct scsi_lun *)tmf->lun);
820
821 address = (u64)fib->hw_error_pa;
822 tmf->error_ptr_hi = cpu_to_le32
823 ((u32)(address >> 32));
824 tmf->error_ptr_lo = cpu_to_le32
825 ((u32)(address & 0xffffffff));
826 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
827 fib->hbacmd_size = sizeof(*tmf);
828
829 return HBA_IU_TYPE_SCSI_TM_REQ;
830 }
831
832 static u8 aac_eh_tmf_hard_reset_fib(struct aac_hba_map_info *info,
833 struct fib *fib)
834 {
835 struct aac_hba_reset_req *rst;
836 u64 address;
837
838
839 rst = (struct aac_hba_reset_req *)fib->hw_fib_va;
840 memset(rst, 0, sizeof(*rst));
841 rst->it_nexus = info->rmw_nexus;
842
843 address = (u64)fib->hw_error_pa;
844 rst->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
845 rst->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
846 rst->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
847 fib->hbacmd_size = sizeof(*rst);
848
849 return HBA_IU_TYPE_SATA_REQ;
850 }
851
852 void aac_tmf_callback(void *context, struct fib *fibptr)
853 {
854 struct aac_hba_resp *err =
855 &((struct aac_native_hba *)fibptr->hw_fib_va)->resp.err;
856 struct aac_hba_map_info *info = context;
857 int res;
858
859 switch (err->service_response) {
860 case HBA_RESP_SVCRES_TMF_REJECTED:
861 res = -1;
862 break;
863 case HBA_RESP_SVCRES_TMF_LUN_INVALID:
864 res = 0;
865 break;
866 case HBA_RESP_SVCRES_TMF_COMPLETE:
867 case HBA_RESP_SVCRES_TMF_SUCCEEDED:
868 res = 0;
869 break;
870 default:
871 res = -2;
872 break;
873 }
874 aac_fib_complete(fibptr);
875
876 info->reset_state = res;
877 }
878
879
880
881
882
883
884 static int aac_eh_dev_reset(struct scsi_cmnd *cmd)
885 {
886 struct scsi_device * dev = cmd->device;
887 struct Scsi_Host * host = dev->host;
888 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
889 struct aac_hba_map_info *info;
890 int count;
891 u32 bus, cid;
892 struct fib *fib;
893 int ret = FAILED;
894 int status;
895 u8 command;
896
897 bus = aac_logical_to_phys(scmd_channel(cmd));
898 cid = scmd_id(cmd);
899
900 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS)
901 return FAILED;
902
903 info = &aac->hba_map[bus][cid];
904
905 if (info->devtype != AAC_DEVTYPE_NATIVE_RAW &&
906 info->reset_state > 0)
907 return FAILED;
908
909 pr_err("%s: Host adapter reset request. SCSI hang ?\n",
910 AAC_DRIVERNAME);
911
912 fib = aac_fib_alloc(aac);
913 if (!fib)
914 return ret;
915
916
917 command = aac_eh_tmf_lun_reset_fib(info, fib, dev->lun);
918
919 info->reset_state = 1;
920
921 status = aac_hba_send(command, fib,
922 (fib_callback) aac_tmf_callback,
923 (void *) info);
924
925
926 for (count = 0; count < 15; ++count) {
927 if (info->reset_state == 0) {
928 ret = info->reset_state == 0 ? SUCCESS : FAILED;
929 break;
930 }
931 msleep(1000);
932 }
933
934 return ret;
935 }
936
937
938
939
940
941
942 static int aac_eh_target_reset(struct scsi_cmnd *cmd)
943 {
944 struct scsi_device * dev = cmd->device;
945 struct Scsi_Host * host = dev->host;
946 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
947 struct aac_hba_map_info *info;
948 int count;
949 u32 bus, cid;
950 int ret = FAILED;
951 struct fib *fib;
952 int status;
953 u8 command;
954
955 bus = aac_logical_to_phys(scmd_channel(cmd));
956 cid = scmd_id(cmd);
957
958 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS)
959 return FAILED;
960
961 info = &aac->hba_map[bus][cid];
962
963 if (info->devtype != AAC_DEVTYPE_NATIVE_RAW &&
964 info->reset_state > 0)
965 return FAILED;
966
967 pr_err("%s: Host adapter reset request. SCSI hang ?\n",
968 AAC_DRIVERNAME);
969
970 fib = aac_fib_alloc(aac);
971 if (!fib)
972 return ret;
973
974
975
976 command = aac_eh_tmf_hard_reset_fib(info, fib);
977
978 info->reset_state = 2;
979
980 status = aac_hba_send(command, fib,
981 (fib_callback) aac_tmf_callback,
982 (void *) info);
983
984
985 for (count = 0; count < 15; ++count) {
986 if (info->reset_state <= 0) {
987 ret = info->reset_state == 0 ? SUCCESS : FAILED;
988 break;
989 }
990 msleep(1000);
991 }
992
993 return ret;
994 }
995
996
997
998
999
1000
1001 static int aac_eh_bus_reset(struct scsi_cmnd* cmd)
1002 {
1003 struct scsi_device * dev = cmd->device;
1004 struct Scsi_Host * host = dev->host;
1005 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
1006 int count;
1007 u32 cmd_bus;
1008 int status = 0;
1009
1010
1011 cmd_bus = aac_logical_to_phys(scmd_channel(cmd));
1012
1013 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
1014 struct fib *fib = &aac->fibs[count];
1015
1016 if (fib->hw_fib_va->header.XferState &&
1017 (fib->flags & FIB_CONTEXT_FLAG) &&
1018 (fib->flags & FIB_CONTEXT_FLAG_SCSI_CMD)) {
1019 struct aac_hba_map_info *info;
1020 u32 bus, cid;
1021
1022 cmd = (struct scsi_cmnd *)fib->callback_data;
1023 bus = aac_logical_to_phys(scmd_channel(cmd));
1024 if (bus != cmd_bus)
1025 continue;
1026 cid = scmd_id(cmd);
1027 info = &aac->hba_map[bus][cid];
1028 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS ||
1029 info->devtype != AAC_DEVTYPE_NATIVE_RAW) {
1030 fib->flags |= FIB_CONTEXT_FLAG_EH_RESET;
1031 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
1032 }
1033 }
1034 }
1035
1036 pr_err("%s: Host adapter reset request. SCSI hang ?\n", AAC_DRIVERNAME);
1037
1038
1039
1040
1041 status = aac_adapter_check_health(aac);
1042 if (status)
1043 dev_err(&aac->pdev->dev, "Adapter health - %d\n", status);
1044
1045 count = get_num_of_incomplete_fibs(aac);
1046 return (count == 0) ? SUCCESS : FAILED;
1047 }
1048
1049
1050
1051
1052
1053
1054 int aac_eh_host_reset(struct scsi_cmnd *cmd)
1055 {
1056 struct scsi_device * dev = cmd->device;
1057 struct Scsi_Host * host = dev->host;
1058 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
1059 int ret = FAILED;
1060 __le32 supported_options2 = 0;
1061 bool is_mu_reset;
1062 bool is_ignore_reset;
1063 bool is_doorbell_reset;
1064
1065
1066
1067
1068 supported_options2 = aac->supplement_adapter_info.supported_options2;
1069 is_mu_reset = supported_options2 & AAC_OPTION_MU_RESET;
1070 is_doorbell_reset = supported_options2 & AAC_OPTION_DOORBELL_RESET;
1071 is_ignore_reset = supported_options2 & AAC_OPTION_IGNORE_RESET;
1072
1073
1074
1075
1076
1077 if ((is_mu_reset || is_doorbell_reset)
1078 && aac_check_reset
1079 && (aac_check_reset != -1 || !is_ignore_reset)) {
1080
1081 if (aac_reset_adapter(aac, 2, IOP_HWSOFT_RESET) == 0)
1082 ret = SUCCESS;
1083 }
1084
1085
1086
1087 if (ret == SUCCESS) {
1088 int bus, cid;
1089 struct aac_hba_map_info *info;
1090
1091 for (bus = 0; bus < AAC_MAX_BUSES; bus++) {
1092 for (cid = 0; cid < AAC_MAX_TARGETS; cid++) {
1093 info = &aac->hba_map[bus][cid];
1094 if (info->devtype == AAC_DEVTYPE_NATIVE_RAW)
1095 info->reset_state = 0;
1096 }
1097 }
1098 }
1099 return ret;
1100 }
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114 static int aac_cfg_open(struct inode *inode, struct file *file)
1115 {
1116 struct aac_dev *aac;
1117 unsigned minor_number = iminor(inode);
1118 int err = -ENODEV;
1119
1120 mutex_lock(&aac_mutex);
1121 list_for_each_entry(aac, &aac_devices, entry) {
1122 if (aac->id == minor_number) {
1123 file->private_data = aac;
1124 err = 0;
1125 break;
1126 }
1127 }
1128 mutex_unlock(&aac_mutex);
1129
1130 return err;
1131 }
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147 static long aac_cfg_ioctl(struct file *file,
1148 unsigned int cmd, unsigned long arg)
1149 {
1150 struct aac_dev *aac = (struct aac_dev *)file->private_data;
1151
1152 if (!capable(CAP_SYS_RAWIO))
1153 return -EPERM;
1154
1155 return aac_do_ioctl(aac, cmd, (void __user *)arg);
1156 }
1157
1158 #ifdef CONFIG_COMPAT
1159 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
1160 {
1161 long ret;
1162 switch (cmd) {
1163 case FSACTL_MINIPORT_REV_CHECK:
1164 case FSACTL_SENDFIB:
1165 case FSACTL_OPEN_GET_ADAPTER_FIB:
1166 case FSACTL_CLOSE_GET_ADAPTER_FIB:
1167 case FSACTL_SEND_RAW_SRB:
1168 case FSACTL_GET_PCI_INFO:
1169 case FSACTL_QUERY_DISK:
1170 case FSACTL_DELETE_DISK:
1171 case FSACTL_FORCE_DELETE_DISK:
1172 case FSACTL_GET_CONTAINERS:
1173 case FSACTL_SEND_LARGE_FIB:
1174 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
1175 break;
1176
1177 case FSACTL_GET_NEXT_ADAPTER_FIB: {
1178 struct fib_ioctl __user *f;
1179
1180 f = compat_alloc_user_space(sizeof(*f));
1181 ret = 0;
1182 if (clear_user(f, sizeof(*f)))
1183 ret = -EFAULT;
1184 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
1185 ret = -EFAULT;
1186 if (!ret)
1187 ret = aac_do_ioctl(dev, cmd, f);
1188 break;
1189 }
1190
1191 default:
1192 ret = -ENOIOCTLCMD;
1193 break;
1194 }
1195 return ret;
1196 }
1197
1198 static int aac_compat_ioctl(struct scsi_device *sdev, unsigned int cmd,
1199 void __user *arg)
1200 {
1201 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
1202 if (!capable(CAP_SYS_RAWIO))
1203 return -EPERM;
1204 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
1205 }
1206
1207 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
1208 {
1209 if (!capable(CAP_SYS_RAWIO))
1210 return -EPERM;
1211 return aac_compat_do_ioctl(file->private_data, cmd, arg);
1212 }
1213 #endif
1214
1215 static ssize_t aac_show_model(struct device *device,
1216 struct device_attribute *attr, char *buf)
1217 {
1218 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1219 int len;
1220
1221 if (dev->supplement_adapter_info.adapter_type_text[0]) {
1222 char *cp = dev->supplement_adapter_info.adapter_type_text;
1223 while (*cp && *cp != ' ')
1224 ++cp;
1225 while (*cp == ' ')
1226 ++cp;
1227 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
1228 } else
1229 len = snprintf(buf, PAGE_SIZE, "%s\n",
1230 aac_drivers[dev->cardtype].model);
1231 return len;
1232 }
1233
1234 static ssize_t aac_show_vendor(struct device *device,
1235 struct device_attribute *attr, char *buf)
1236 {
1237 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1238 struct aac_supplement_adapter_info *sup_adap_info;
1239 int len;
1240
1241 sup_adap_info = &dev->supplement_adapter_info;
1242 if (sup_adap_info->adapter_type_text[0]) {
1243 char *cp = sup_adap_info->adapter_type_text;
1244 while (*cp && *cp != ' ')
1245 ++cp;
1246 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
1247 (int)(cp - (char *)sup_adap_info->adapter_type_text),
1248 sup_adap_info->adapter_type_text);
1249 } else
1250 len = snprintf(buf, PAGE_SIZE, "%s\n",
1251 aac_drivers[dev->cardtype].vname);
1252 return len;
1253 }
1254
1255 static ssize_t aac_show_flags(struct device *cdev,
1256 struct device_attribute *attr, char *buf)
1257 {
1258 int len = 0;
1259 struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
1260
1261 if (nblank(dprintk(x)))
1262 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
1263 #ifdef AAC_DETAILED_STATUS_INFO
1264 len += snprintf(buf + len, PAGE_SIZE - len,
1265 "AAC_DETAILED_STATUS_INFO\n");
1266 #endif
1267 if (dev->raw_io_interface && dev->raw_io_64)
1268 len += snprintf(buf + len, PAGE_SIZE - len,
1269 "SAI_READ_CAPACITY_16\n");
1270 if (dev->jbod)
1271 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n");
1272 if (dev->supplement_adapter_info.supported_options2 &
1273 AAC_OPTION_POWER_MANAGEMENT)
1274 len += snprintf(buf + len, PAGE_SIZE - len,
1275 "SUPPORTED_POWER_MANAGEMENT\n");
1276 if (dev->msi)
1277 len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
1278 return len;
1279 }
1280
1281 static ssize_t aac_show_kernel_version(struct device *device,
1282 struct device_attribute *attr,
1283 char *buf)
1284 {
1285 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1286 int len, tmp;
1287
1288 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
1289 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1290 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1291 le32_to_cpu(dev->adapter_info.kernelbuild));
1292 return len;
1293 }
1294
1295 static ssize_t aac_show_monitor_version(struct device *device,
1296 struct device_attribute *attr,
1297 char *buf)
1298 {
1299 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1300 int len, tmp;
1301
1302 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
1303 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1304 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1305 le32_to_cpu(dev->adapter_info.monitorbuild));
1306 return len;
1307 }
1308
1309 static ssize_t aac_show_bios_version(struct device *device,
1310 struct device_attribute *attr,
1311 char *buf)
1312 {
1313 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1314 int len, tmp;
1315
1316 tmp = le32_to_cpu(dev->adapter_info.biosrev);
1317 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1318 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1319 le32_to_cpu(dev->adapter_info.biosbuild));
1320 return len;
1321 }
1322
1323 static ssize_t aac_show_driver_version(struct device *device,
1324 struct device_attribute *attr,
1325 char *buf)
1326 {
1327 return snprintf(buf, PAGE_SIZE, "%s\n", aac_driver_version);
1328 }
1329
1330 static ssize_t aac_show_serial_number(struct device *device,
1331 struct device_attribute *attr, char *buf)
1332 {
1333 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1334 int len = 0;
1335
1336 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
1337 len = snprintf(buf, 16, "%06X\n",
1338 le32_to_cpu(dev->adapter_info.serial[0]));
1339 if (len &&
1340 !memcmp(&dev->supplement_adapter_info.mfg_pcba_serial_no[
1341 sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no)-len],
1342 buf, len-1))
1343 len = snprintf(buf, 16, "%.*s\n",
1344 (int)sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no),
1345 dev->supplement_adapter_info.mfg_pcba_serial_no);
1346
1347 return min(len, 16);
1348 }
1349
1350 static ssize_t aac_show_max_channel(struct device *device,
1351 struct device_attribute *attr, char *buf)
1352 {
1353 return snprintf(buf, PAGE_SIZE, "%d\n",
1354 class_to_shost(device)->max_channel);
1355 }
1356
1357 static ssize_t aac_show_max_id(struct device *device,
1358 struct device_attribute *attr, char *buf)
1359 {
1360 return snprintf(buf, PAGE_SIZE, "%d\n",
1361 class_to_shost(device)->max_id);
1362 }
1363
1364 static ssize_t aac_store_reset_adapter(struct device *device,
1365 struct device_attribute *attr,
1366 const char *buf, size_t count)
1367 {
1368 int retval = -EACCES;
1369
1370 if (!capable(CAP_SYS_ADMIN))
1371 return retval;
1372
1373 retval = aac_reset_adapter(shost_priv(class_to_shost(device)),
1374 buf[0] == '!', IOP_HWSOFT_RESET);
1375 if (retval >= 0)
1376 retval = count;
1377
1378 return retval;
1379 }
1380
1381 static ssize_t aac_show_reset_adapter(struct device *device,
1382 struct device_attribute *attr,
1383 char *buf)
1384 {
1385 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1386 int len, tmp;
1387
1388 tmp = aac_adapter_check_health(dev);
1389 if ((tmp == 0) && dev->in_reset)
1390 tmp = -EBUSY;
1391 len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
1392 return len;
1393 }
1394
1395 static struct device_attribute aac_model = {
1396 .attr = {
1397 .name = "model",
1398 .mode = S_IRUGO,
1399 },
1400 .show = aac_show_model,
1401 };
1402 static struct device_attribute aac_vendor = {
1403 .attr = {
1404 .name = "vendor",
1405 .mode = S_IRUGO,
1406 },
1407 .show = aac_show_vendor,
1408 };
1409 static struct device_attribute aac_flags = {
1410 .attr = {
1411 .name = "flags",
1412 .mode = S_IRUGO,
1413 },
1414 .show = aac_show_flags,
1415 };
1416 static struct device_attribute aac_kernel_version = {
1417 .attr = {
1418 .name = "hba_kernel_version",
1419 .mode = S_IRUGO,
1420 },
1421 .show = aac_show_kernel_version,
1422 };
1423 static struct device_attribute aac_monitor_version = {
1424 .attr = {
1425 .name = "hba_monitor_version",
1426 .mode = S_IRUGO,
1427 },
1428 .show = aac_show_monitor_version,
1429 };
1430 static struct device_attribute aac_bios_version = {
1431 .attr = {
1432 .name = "hba_bios_version",
1433 .mode = S_IRUGO,
1434 },
1435 .show = aac_show_bios_version,
1436 };
1437 static struct device_attribute aac_lld_version = {
1438 .attr = {
1439 .name = "driver_version",
1440 .mode = 0444,
1441 },
1442 .show = aac_show_driver_version,
1443 };
1444 static struct device_attribute aac_serial_number = {
1445 .attr = {
1446 .name = "serial_number",
1447 .mode = S_IRUGO,
1448 },
1449 .show = aac_show_serial_number,
1450 };
1451 static struct device_attribute aac_max_channel = {
1452 .attr = {
1453 .name = "max_channel",
1454 .mode = S_IRUGO,
1455 },
1456 .show = aac_show_max_channel,
1457 };
1458 static struct device_attribute aac_max_id = {
1459 .attr = {
1460 .name = "max_id",
1461 .mode = S_IRUGO,
1462 },
1463 .show = aac_show_max_id,
1464 };
1465 static struct device_attribute aac_reset = {
1466 .attr = {
1467 .name = "reset_host",
1468 .mode = S_IWUSR|S_IRUGO,
1469 },
1470 .store = aac_store_reset_adapter,
1471 .show = aac_show_reset_adapter,
1472 };
1473
1474 static struct device_attribute *aac_attrs[] = {
1475 &aac_model,
1476 &aac_vendor,
1477 &aac_flags,
1478 &aac_kernel_version,
1479 &aac_monitor_version,
1480 &aac_bios_version,
1481 &aac_lld_version,
1482 &aac_serial_number,
1483 &aac_max_channel,
1484 &aac_max_id,
1485 &aac_reset,
1486 NULL
1487 };
1488
1489 ssize_t aac_get_serial_number(struct device *device, char *buf)
1490 {
1491 return aac_show_serial_number(device, &aac_serial_number, buf);
1492 }
1493
1494 static const struct file_operations aac_cfg_fops = {
1495 .owner = THIS_MODULE,
1496 .unlocked_ioctl = aac_cfg_ioctl,
1497 #ifdef CONFIG_COMPAT
1498 .compat_ioctl = aac_compat_cfg_ioctl,
1499 #endif
1500 .open = aac_cfg_open,
1501 .llseek = noop_llseek,
1502 };
1503
1504 static struct scsi_host_template aac_driver_template = {
1505 .module = THIS_MODULE,
1506 .name = "AAC",
1507 .proc_name = AAC_DRIVERNAME,
1508 .info = aac_info,
1509 .ioctl = aac_ioctl,
1510 #ifdef CONFIG_COMPAT
1511 .compat_ioctl = aac_compat_ioctl,
1512 #endif
1513 .queuecommand = aac_queuecommand,
1514 .bios_param = aac_biosparm,
1515 .shost_attrs = aac_attrs,
1516 .slave_configure = aac_slave_configure,
1517 .change_queue_depth = aac_change_queue_depth,
1518 .sdev_attrs = aac_dev_attrs,
1519 .eh_abort_handler = aac_eh_abort,
1520 .eh_device_reset_handler = aac_eh_dev_reset,
1521 .eh_target_reset_handler = aac_eh_target_reset,
1522 .eh_bus_reset_handler = aac_eh_bus_reset,
1523 .eh_host_reset_handler = aac_eh_host_reset,
1524 .can_queue = AAC_NUM_IO_FIB,
1525 .this_id = MAXIMUM_NUM_CONTAINERS,
1526 .sg_tablesize = 16,
1527 .max_sectors = 128,
1528 #if (AAC_NUM_IO_FIB > 256)
1529 .cmd_per_lun = 256,
1530 #else
1531 .cmd_per_lun = AAC_NUM_IO_FIB,
1532 #endif
1533 .emulated = 1,
1534 .no_write_same = 1,
1535 };
1536
1537 static void __aac_shutdown(struct aac_dev * aac)
1538 {
1539 int i;
1540
1541 mutex_lock(&aac->ioctl_mutex);
1542 aac->adapter_shutdown = 1;
1543 mutex_unlock(&aac->ioctl_mutex);
1544
1545 if (aac->aif_thread) {
1546 int i;
1547
1548 for (i = 0; i < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++) {
1549 struct fib *fib = &aac->fibs[i];
1550 if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) &&
1551 (fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected)))
1552 complete(&fib->event_wait);
1553 }
1554 kthread_stop(aac->thread);
1555 aac->thread = NULL;
1556 }
1557
1558 aac_send_shutdown(aac);
1559
1560 aac_adapter_disable_int(aac);
1561
1562 if (aac_is_src(aac)) {
1563 if (aac->max_msix > 1) {
1564 for (i = 0; i < aac->max_msix; i++) {
1565 free_irq(pci_irq_vector(aac->pdev, i),
1566 &(aac->aac_msix[i]));
1567 }
1568 } else {
1569 free_irq(aac->pdev->irq,
1570 &(aac->aac_msix[0]));
1571 }
1572 } else {
1573 free_irq(aac->pdev->irq, aac);
1574 }
1575 if (aac->msi)
1576 pci_disable_msi(aac->pdev);
1577 else if (aac->max_msix > 1)
1578 pci_disable_msix(aac->pdev);
1579 }
1580 static void aac_init_char(void)
1581 {
1582 aac_cfg_major = register_chrdev(0, "aac", &aac_cfg_fops);
1583 if (aac_cfg_major < 0) {
1584 pr_err("aacraid: unable to register \"aac\" device.\n");
1585 }
1586 }
1587
1588 static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1589 {
1590 unsigned index = id->driver_data;
1591 struct Scsi_Host *shost;
1592 struct aac_dev *aac;
1593 struct list_head *insert = &aac_devices;
1594 int error = -ENODEV;
1595 int unique_id = 0;
1596 u64 dmamask;
1597 int mask_bits = 0;
1598 extern int aac_sync_mode;
1599
1600
1601
1602
1603 if (pdev->device == PMC_DEVICE_S7)
1604 pdev->needs_freset = 1;
1605
1606 list_for_each_entry(aac, &aac_devices, entry) {
1607 if (aac->id > unique_id)
1608 break;
1609 insert = &aac->entry;
1610 unique_id++;
1611 }
1612
1613 pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
1614 PCIE_LINK_STATE_CLKPM);
1615
1616 error = pci_enable_device(pdev);
1617 if (error)
1618 goto out;
1619 error = -ENODEV;
1620
1621 if (!(aac_drivers[index].quirks & AAC_QUIRK_SRC)) {
1622 error = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
1623 if (error) {
1624 dev_err(&pdev->dev, "PCI 32 BIT dma mask set failed");
1625 goto out_disable_pdev;
1626 }
1627 }
1628
1629
1630
1631
1632
1633 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) {
1634 dmamask = DMA_BIT_MASK(31);
1635 mask_bits = 31;
1636 } else {
1637 dmamask = DMA_BIT_MASK(32);
1638 mask_bits = 32;
1639 }
1640
1641 error = pci_set_consistent_dma_mask(pdev, dmamask);
1642 if (error) {
1643 dev_err(&pdev->dev, "PCI %d B consistent dma mask set failed\n"
1644 , mask_bits);
1645 goto out_disable_pdev;
1646 }
1647
1648 pci_set_master(pdev);
1649
1650 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1651 if (!shost)
1652 goto out_disable_pdev;
1653
1654 shost->irq = pdev->irq;
1655 shost->unique_id = unique_id;
1656 shost->max_cmd_len = 16;
1657 shost->use_cmd_list = 1;
1658
1659 if (aac_cfg_major == AAC_CHARDEV_NEEDS_REINIT)
1660 aac_init_char();
1661
1662 aac = (struct aac_dev *)shost->hostdata;
1663 aac->base_start = pci_resource_start(pdev, 0);
1664 aac->scsi_host_ptr = shost;
1665 aac->pdev = pdev;
1666 aac->name = aac_driver_template.name;
1667 aac->id = shost->unique_id;
1668 aac->cardtype = index;
1669 INIT_LIST_HEAD(&aac->entry);
1670
1671 if (aac_reset_devices || reset_devices)
1672 aac->init_reset = true;
1673
1674 aac->fibs = kcalloc(shost->can_queue + AAC_NUM_MGT_FIB,
1675 sizeof(struct fib),
1676 GFP_KERNEL);
1677 if (!aac->fibs)
1678 goto out_free_host;
1679 spin_lock_init(&aac->fib_lock);
1680
1681 mutex_init(&aac->ioctl_mutex);
1682 mutex_init(&aac->scan_mutex);
1683
1684 INIT_DELAYED_WORK(&aac->safw_rescan_work, aac_safw_rescan_worker);
1685
1686
1687
1688 aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1689 if ((*aac_drivers[index].init)(aac)) {
1690 error = -ENODEV;
1691 goto out_unmap;
1692 }
1693
1694 if (aac->sync_mode) {
1695 if (aac_sync_mode)
1696 printk(KERN_INFO "%s%d: Sync. mode enforced "
1697 "by driver parameter. This will cause "
1698 "a significant performance decrease!\n",
1699 aac->name,
1700 aac->id);
1701 else
1702 printk(KERN_INFO "%s%d: Async. mode not supported "
1703 "by current driver, sync. mode enforced."
1704 "\nPlease update driver to get full performance.\n",
1705 aac->name,
1706 aac->id);
1707 }
1708
1709
1710
1711
1712 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1713 if (IS_ERR(aac->thread)) {
1714 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1715 error = PTR_ERR(aac->thread);
1716 aac->thread = NULL;
1717 goto out_deinit;
1718 }
1719
1720 aac->maximum_num_channels = aac_drivers[index].channels;
1721 error = aac_get_adapter_info(aac);
1722 if (error < 0)
1723 goto out_deinit;
1724
1725
1726
1727
1728 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1729 (shost->sg_tablesize > 34)) {
1730 shost->sg_tablesize = 34;
1731 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1732 }
1733
1734 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1735 (shost->sg_tablesize > 17)) {
1736 shost->sg_tablesize = 17;
1737 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1738 }
1739
1740 if (aac->adapter_info.options & AAC_OPT_NEW_COMM)
1741 shost->max_segment_size = shost->max_sectors << 9;
1742 else
1743 shost->max_segment_size = 65536;
1744
1745
1746
1747
1748 if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1749 aac->printf_enabled = 1;
1750 else
1751 aac->printf_enabled = 0;
1752
1753
1754
1755
1756
1757
1758 if (aac->nondasd_support || expose_physicals || aac->jbod)
1759 shost->max_channel = aac->maximum_num_channels;
1760 else
1761 shost->max_channel = 0;
1762
1763 aac_get_config_status(aac, 0);
1764 aac_get_containers(aac);
1765 list_add(&aac->entry, insert);
1766
1767 shost->max_id = aac->maximum_num_containers;
1768 if (shost->max_id < aac->maximum_num_physicals)
1769 shost->max_id = aac->maximum_num_physicals;
1770 if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1771 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1772 else
1773 shost->this_id = shost->max_id;
1774
1775 if (!aac->sa_firmware && aac_drivers[index].quirks & AAC_QUIRK_SRC)
1776 aac_intr_normal(aac, 0, 2, 0, NULL);
1777
1778
1779
1780
1781
1782 shost->max_lun = AAC_MAX_LUN;
1783
1784 pci_set_drvdata(pdev, shost);
1785
1786 error = scsi_add_host(shost, &pdev->dev);
1787 if (error)
1788 goto out_deinit;
1789
1790 aac_scan_host(aac);
1791
1792 pci_enable_pcie_error_reporting(pdev);
1793 pci_save_state(pdev);
1794
1795 return 0;
1796
1797 out_deinit:
1798 __aac_shutdown(aac);
1799 out_unmap:
1800 aac_fib_map_free(aac);
1801 if (aac->comm_addr)
1802 dma_free_coherent(&aac->pdev->dev, aac->comm_size,
1803 aac->comm_addr, aac->comm_phys);
1804 kfree(aac->queues);
1805 aac_adapter_ioremap(aac, 0);
1806 kfree(aac->fibs);
1807 kfree(aac->fsa_dev);
1808 out_free_host:
1809 scsi_host_put(shost);
1810 out_disable_pdev:
1811 pci_disable_device(pdev);
1812 out:
1813 return error;
1814 }
1815
1816 static void aac_release_resources(struct aac_dev *aac)
1817 {
1818 aac_adapter_disable_int(aac);
1819 aac_free_irq(aac);
1820 }
1821
1822 static int aac_acquire_resources(struct aac_dev *dev)
1823 {
1824 unsigned long status;
1825
1826
1827
1828
1829 while (!((status = src_readl(dev, MUnit.OMR)) & KERNEL_UP_AND_RUNNING)
1830 || status == 0xffffffff)
1831 msleep(20);
1832
1833 aac_adapter_disable_int(dev);
1834 aac_adapter_enable_int(dev);
1835
1836
1837 if (aac_is_src(dev))
1838 aac_define_int_mode(dev);
1839
1840 if (dev->msi_enabled)
1841 aac_src_access_devreg(dev, AAC_ENABLE_MSIX);
1842
1843 if (aac_acquire_irq(dev))
1844 goto error_iounmap;
1845
1846 aac_adapter_enable_int(dev);
1847
1848
1849
1850
1851 aac_fib_vector_assign(dev);
1852
1853 if (!dev->sync_mode) {
1854
1855
1856
1857 dev->init->r7.no_of_msix_vectors = cpu_to_le32(dev->max_msix);
1858 aac_adapter_start(dev);
1859 }
1860 return 0;
1861
1862 error_iounmap:
1863 return -1;
1864
1865 }
1866
1867 #if (defined(CONFIG_PM))
1868 static int aac_suspend(struct pci_dev *pdev, pm_message_t state)
1869 {
1870
1871 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1872 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1873
1874 scsi_block_requests(shost);
1875 aac_cancel_safw_rescan_worker(aac);
1876 aac_send_shutdown(aac);
1877
1878 aac_release_resources(aac);
1879
1880 pci_set_drvdata(pdev, shost);
1881 pci_save_state(pdev);
1882 pci_disable_device(pdev);
1883 pci_set_power_state(pdev, pci_choose_state(pdev, state));
1884
1885 return 0;
1886 }
1887
1888 static int aac_resume(struct pci_dev *pdev)
1889 {
1890 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1891 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1892 int r;
1893
1894 pci_set_power_state(pdev, PCI_D0);
1895 pci_enable_wake(pdev, PCI_D0, 0);
1896 pci_restore_state(pdev);
1897 r = pci_enable_device(pdev);
1898
1899 if (r)
1900 goto fail_device;
1901
1902 pci_set_master(pdev);
1903 if (aac_acquire_resources(aac))
1904 goto fail_device;
1905
1906
1907
1908
1909 aac->adapter_shutdown = 0;
1910 scsi_unblock_requests(shost);
1911
1912 return 0;
1913
1914 fail_device:
1915 printk(KERN_INFO "%s%d: resume failed.\n", aac->name, aac->id);
1916 scsi_host_put(shost);
1917 pci_disable_device(pdev);
1918 return -ENODEV;
1919 }
1920 #endif
1921
1922 static void aac_shutdown(struct pci_dev *dev)
1923 {
1924 struct Scsi_Host *shost = pci_get_drvdata(dev);
1925 scsi_block_requests(shost);
1926 __aac_shutdown((struct aac_dev *)shost->hostdata);
1927 }
1928
1929 static void aac_remove_one(struct pci_dev *pdev)
1930 {
1931 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1932 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1933
1934 aac_cancel_safw_rescan_worker(aac);
1935 scsi_remove_host(shost);
1936
1937 __aac_shutdown(aac);
1938 aac_fib_map_free(aac);
1939 dma_free_coherent(&aac->pdev->dev, aac->comm_size, aac->comm_addr,
1940 aac->comm_phys);
1941 kfree(aac->queues);
1942
1943 aac_adapter_ioremap(aac, 0);
1944
1945 kfree(aac->fibs);
1946 kfree(aac->fsa_dev);
1947
1948 list_del(&aac->entry);
1949 scsi_host_put(shost);
1950 pci_disable_device(pdev);
1951 if (list_empty(&aac_devices)) {
1952 unregister_chrdev(aac_cfg_major, "aac");
1953 aac_cfg_major = AAC_CHARDEV_NEEDS_REINIT;
1954 }
1955 }
1956
1957 static void aac_flush_ios(struct aac_dev *aac)
1958 {
1959 int i;
1960 struct scsi_cmnd *cmd;
1961
1962 for (i = 0; i < aac->scsi_host_ptr->can_queue; i++) {
1963 cmd = (struct scsi_cmnd *)aac->fibs[i].callback_data;
1964 if (cmd && (cmd->SCp.phase == AAC_OWNER_FIRMWARE)) {
1965 scsi_dma_unmap(cmd);
1966
1967 if (aac->handle_pci_error)
1968 cmd->result = DID_NO_CONNECT << 16;
1969 else
1970 cmd->result = DID_RESET << 16;
1971
1972 cmd->scsi_done(cmd);
1973 }
1974 }
1975 }
1976
1977 static pci_ers_result_t aac_pci_error_detected(struct pci_dev *pdev,
1978 enum pci_channel_state error)
1979 {
1980 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1981 struct aac_dev *aac = shost_priv(shost);
1982
1983 dev_err(&pdev->dev, "aacraid: PCI error detected %x\n", error);
1984
1985 switch (error) {
1986 case pci_channel_io_normal:
1987 return PCI_ERS_RESULT_CAN_RECOVER;
1988 case pci_channel_io_frozen:
1989 aac->handle_pci_error = 1;
1990
1991 scsi_block_requests(aac->scsi_host_ptr);
1992 aac_cancel_safw_rescan_worker(aac);
1993 aac_flush_ios(aac);
1994 aac_release_resources(aac);
1995
1996 pci_disable_pcie_error_reporting(pdev);
1997 aac_adapter_ioremap(aac, 0);
1998
1999 return PCI_ERS_RESULT_NEED_RESET;
2000 case pci_channel_io_perm_failure:
2001 aac->handle_pci_error = 1;
2002
2003 aac_flush_ios(aac);
2004 return PCI_ERS_RESULT_DISCONNECT;
2005 }
2006
2007 return PCI_ERS_RESULT_NEED_RESET;
2008 }
2009
2010 static pci_ers_result_t aac_pci_mmio_enabled(struct pci_dev *pdev)
2011 {
2012 dev_err(&pdev->dev, "aacraid: PCI error - mmio enabled\n");
2013 return PCI_ERS_RESULT_NEED_RESET;
2014 }
2015
2016 static pci_ers_result_t aac_pci_slot_reset(struct pci_dev *pdev)
2017 {
2018 dev_err(&pdev->dev, "aacraid: PCI error - slot reset\n");
2019 pci_restore_state(pdev);
2020 if (pci_enable_device(pdev)) {
2021 dev_warn(&pdev->dev,
2022 "aacraid: failed to enable slave\n");
2023 goto fail_device;
2024 }
2025
2026 pci_set_master(pdev);
2027
2028 if (pci_enable_device_mem(pdev)) {
2029 dev_err(&pdev->dev, "pci_enable_device_mem failed\n");
2030 goto fail_device;
2031 }
2032
2033 return PCI_ERS_RESULT_RECOVERED;
2034
2035 fail_device:
2036 dev_err(&pdev->dev, "aacraid: PCI error - slot reset failed\n");
2037 return PCI_ERS_RESULT_DISCONNECT;
2038 }
2039
2040
2041 static void aac_pci_resume(struct pci_dev *pdev)
2042 {
2043 struct Scsi_Host *shost = pci_get_drvdata(pdev);
2044 struct scsi_device *sdev = NULL;
2045 struct aac_dev *aac = (struct aac_dev *)shost_priv(shost);
2046
2047 if (aac_adapter_ioremap(aac, aac->base_size)) {
2048
2049 dev_err(&pdev->dev, "aacraid: ioremap failed\n");
2050
2051 aac->comm_interface = AAC_COMM_PRODUCER;
2052 if (aac_adapter_ioremap(aac, AAC_MIN_FOOTPRINT_SIZE)) {
2053 dev_warn(&pdev->dev,
2054 "aacraid: unable to map adapter.\n");
2055
2056 return;
2057 }
2058 }
2059
2060 msleep(10000);
2061
2062 aac_acquire_resources(aac);
2063
2064
2065
2066
2067
2068 aac->adapter_shutdown = 0;
2069 aac->handle_pci_error = 0;
2070
2071 shost_for_each_device(sdev, shost)
2072 if (sdev->sdev_state == SDEV_OFFLINE)
2073 sdev->sdev_state = SDEV_RUNNING;
2074 scsi_unblock_requests(aac->scsi_host_ptr);
2075 aac_scan_host(aac);
2076 pci_save_state(pdev);
2077
2078 dev_err(&pdev->dev, "aacraid: PCI error - resume\n");
2079 }
2080
2081 static struct pci_error_handlers aac_pci_err_handler = {
2082 .error_detected = aac_pci_error_detected,
2083 .mmio_enabled = aac_pci_mmio_enabled,
2084 .slot_reset = aac_pci_slot_reset,
2085 .resume = aac_pci_resume,
2086 };
2087
2088 static struct pci_driver aac_pci_driver = {
2089 .name = AAC_DRIVERNAME,
2090 .id_table = aac_pci_tbl,
2091 .probe = aac_probe_one,
2092 .remove = aac_remove_one,
2093 #if (defined(CONFIG_PM))
2094 .suspend = aac_suspend,
2095 .resume = aac_resume,
2096 #endif
2097 .shutdown = aac_shutdown,
2098 .err_handler = &aac_pci_err_handler,
2099 };
2100
2101 static int __init aac_init(void)
2102 {
2103 int error;
2104
2105 printk(KERN_INFO "Adaptec %s driver %s\n",
2106 AAC_DRIVERNAME, aac_driver_version);
2107
2108 error = pci_register_driver(&aac_pci_driver);
2109 if (error < 0)
2110 return error;
2111
2112 aac_init_char();
2113
2114
2115 return 0;
2116 }
2117
2118 static void __exit aac_exit(void)
2119 {
2120 if (aac_cfg_major > -1)
2121 unregister_chrdev(aac_cfg_major, "aac");
2122 pci_unregister_driver(&aac_pci_driver);
2123 }
2124
2125 module_init(aac_init);
2126 module_exit(aac_exit);