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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#include <linux/msdos_partition.h>
37
38#include <scsi/scsi.h>
39#include <scsi/scsi_cmnd.h>
40#include <scsi/scsi_device.h>
41#include <scsi/scsi_host.h>
42#include <scsi/scsi_tcq.h>
43#include <scsi/scsicam.h>
44#include <scsi/scsi_eh.h>
45
46#include "aacraid.h"
47
48#define AAC_DRIVER_VERSION "1.2.1"
49#ifndef AAC_DRIVER_BRANCH
50#define AAC_DRIVER_BRANCH ""
51#endif
52#define AAC_DRIVERNAME "aacraid"
53
54#ifdef AAC_DRIVER_BUILD
55#define _str(x) #x
56#define str(x) _str(x)
57#define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH
58#else
59#define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH
60#endif
61
62MODULE_AUTHOR("Red Hat Inc and Adaptec");
63MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
64 "Adaptec Advanced Raid Products, "
65 "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver");
66MODULE_LICENSE("GPL");
67MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
68
69static DEFINE_MUTEX(aac_mutex);
70static LIST_HEAD(aac_devices);
71static int aac_cfg_major = AAC_CHARDEV_UNREGISTERED;
72char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
73
74
75
76
77
78
79
80static const struct pci_device_id aac_pci_tbl[] = {
81 { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 },
82 { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 },
83 { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 },
84 { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 },
85 { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 },
86 { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 },
87 { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 },
88 { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 },
89 { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 },
90 { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 },
91 { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 },
92 { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 },
93 { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 },
94 { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 },
95 { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 },
96 { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 },
97
98 { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 },
99 { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 },
100 { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 },
101 { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 },
102 { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 },
103 { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 },
104 { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 },
105 { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 },
106 { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 },
107 { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 },
108 { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 },
109 { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 },
110 { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 },
111 { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 },
112 { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 },
113 { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 },
114 { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 },
115 { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 },
116 { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 },
117 { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 },
118 { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 },
119 { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 },
120 { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 },
121 { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 },
122 { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 },
123 { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 },
124 { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 },
125 { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 },
126 { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 },
127 { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 },
128 { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 },
129 { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 },
130 { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 },
131 { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 },
132 { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 },
133 { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 },
134 { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 },
135 { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 },
136
137 { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 },
138 { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 },
139 { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 },
140 { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 },
141 { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 },
142
143 { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 },
144 { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 },
145 { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 },
146 { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 },
147 { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 },
148 { 0x9005, 0x028b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 62 },
149 { 0x9005, 0x028c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 63 },
150 { 0x9005, 0x028d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 64 },
151 { 0,}
152};
153MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
154
155
156
157
158
159
160static struct aac_driver_ident aac_drivers[] = {
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 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 },
167 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, 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, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 },
170 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 },
171 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 },
172 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG },
173 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG },
174 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 },
175 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 },
176 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 },
177
178 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 },
179 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 },
180 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 },
181 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 },
182 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 },
183 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 },
184 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 },
185 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 },
186 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 },
187 { aac_rkt_init, "aacraid", "ICP ", "ICP9024RO ", 2 },
188 { aac_rkt_init, "aacraid", "ICP ", "ICP9014RO ", 1 },
189 { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 },
190 { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 },
191 { aac_rkt_init, "aacraid", "ICP ", "ICP5445AU ", 1 },
192 { aac_rx_init, "aacraid", "ICP ", "ICP9085LI ", 1 },
193 { aac_rx_init, "aacraid", "ICP ", "ICP5085BR ", 1 },
194 { aac_rkt_init, "aacraid", "ICP ", "ICP9067MA ", 1 },
195 { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE },
196 { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER },
197 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 },
198 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 },
199 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG },
200 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1, AAC_QUIRK_17SG },
201 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG },
202 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG },
203 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 },
204 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 },
205 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 },
206 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005 ", 1 },
207 { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 },
208 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l8 ", 1 },
209 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l4 ", 1 },
210 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000 ", 1 },
211 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 },
212 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 },
213 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-3800 ", 1 },
214
215 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG },
216 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG },
217 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG },
218 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_34SG },
219 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG },
220
221 { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 },
222 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 },
223 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2 },
224 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 },
225 { aac_nark_init, "aacraid", "ADAPTEC ", "RAID ", 2 },
226 { aac_src_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC },
227 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC },
228 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC },
229};
230
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238
239
240
241static int aac_queuecommand(struct Scsi_Host *shost,
242 struct scsi_cmnd *cmd)
243{
244 int r = 0;
245 cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
246 r = (aac_scsi_cmd(cmd) ? FAILED : 0);
247 return r;
248}
249
250
251
252
253
254
255
256
257static const char *aac_info(struct Scsi_Host *shost)
258{
259 struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
260 return aac_drivers[dev->cardtype].name;
261}
262
263
264
265
266
267
268
269
270struct aac_driver_ident* aac_get_driver_ident(int devtype)
271{
272 return &aac_drivers[devtype];
273}
274
275
276
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278
279
280
281
282
283
284
285
286
287
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292
293
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295
296
297static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
298 sector_t capacity, int *geom)
299{
300 struct diskparm *param = (struct diskparm *)geom;
301 unsigned char *buf;
302
303 dprintk((KERN_DEBUG "aac_biosparm.\n"));
304
305
306
307
308 if (capacity >= 2 * 1024 * 1024) {
309 if(capacity >= 4 * 1024 * 1024) {
310 param->heads = 255;
311 param->sectors = 63;
312 } else {
313 param->heads = 128;
314 param->sectors = 32;
315 }
316 } else {
317 param->heads = 64;
318 param->sectors = 32;
319 }
320
321 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
322
323
324
325
326
327
328
329 buf = scsi_bios_ptable(bdev);
330 if (!buf)
331 return 0;
332 if (*(__le16 *)(buf + 0x40) == cpu_to_le16(MSDOS_LABEL_MAGIC)) {
333 struct msdos_partition *first = (struct msdos_partition *)buf;
334 struct msdos_partition *entry = first;
335 int saved_cylinders = param->cylinders;
336 int num;
337 unsigned char end_head, end_sec;
338
339 for(num = 0; num < 4; num++) {
340 end_head = entry->end_head;
341 end_sec = entry->end_sector & 0x3f;
342
343 if(end_head == 63) {
344 param->heads = 64;
345 param->sectors = 32;
346 break;
347 } else if(end_head == 127) {
348 param->heads = 128;
349 param->sectors = 32;
350 break;
351 } else if(end_head == 254) {
352 param->heads = 255;
353 param->sectors = 63;
354 break;
355 }
356 entry++;
357 }
358
359 if (num == 4) {
360 end_head = first->end_head;
361 end_sec = first->end_sector & 0x3f;
362 }
363
364 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
365 if (num < 4 && end_sec == param->sectors) {
366 if (param->cylinders != saved_cylinders)
367 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
368 param->heads, param->sectors, num));
369 } else if (end_head > 0 || end_sec > 0) {
370 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
371 end_head + 1, end_sec, num));
372 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
373 param->heads, param->sectors));
374 }
375 }
376 kfree(buf);
377 return 0;
378}
379
380
381
382
383
384
385
386
387
388
389static int aac_slave_configure(struct scsi_device *sdev)
390{
391 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
392 int chn, tid;
393 unsigned int depth = 0;
394 unsigned int set_timeout = 0;
395 int timeout = 0;
396 bool set_qd_dev_type = false;
397 u8 devtype = 0;
398
399 chn = aac_logical_to_phys(sdev_channel(sdev));
400 tid = sdev_id(sdev);
401 if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS && aac->sa_firmware) {
402 devtype = aac->hba_map[chn][tid].devtype;
403
404 if (devtype == AAC_DEVTYPE_NATIVE_RAW) {
405 depth = aac->hba_map[chn][tid].qd_limit;
406 set_timeout = 1;
407 goto common_config;
408 }
409 if (devtype == AAC_DEVTYPE_ARC_RAW) {
410 set_qd_dev_type = true;
411 set_timeout = 1;
412 goto common_config;
413 }
414 }
415
416 if (aac->jbod && (sdev->type == TYPE_DISK))
417 sdev->removable = 1;
418
419 if (sdev->type == TYPE_DISK
420 && sdev_channel(sdev) != CONTAINER_CHANNEL
421 && (!aac->jbod || sdev->inq_periph_qual)
422 && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
423
424 if (expose_physicals == 0)
425 return -ENXIO;
426
427 if (expose_physicals < 0)
428 sdev->no_uld_attach = 1;
429 }
430
431 if (sdev->tagged_supported
432 && sdev->type == TYPE_DISK
433 && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
434 && !sdev->no_uld_attach) {
435
436 struct scsi_device * dev;
437 struct Scsi_Host *host = sdev->host;
438 unsigned num_lsu = 0;
439 unsigned num_one = 0;
440 unsigned cid;
441
442 set_timeout = 1;
443
444 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
445 if (aac->fsa_dev[cid].valid)
446 ++num_lsu;
447
448 __shost_for_each_device(dev, host) {
449 if (dev->tagged_supported
450 && dev->type == TYPE_DISK
451 && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
452 && !dev->no_uld_attach) {
453 if ((sdev_channel(dev) != CONTAINER_CHANNEL)
454 || !aac->fsa_dev[sdev_id(dev)].valid) {
455 ++num_lsu;
456 }
457 } else {
458 ++num_one;
459 }
460 }
461
462 if (num_lsu == 0)
463 ++num_lsu;
464
465 depth = (host->can_queue - num_one) / num_lsu;
466
467 if (sdev_channel(sdev) != NATIVE_CHANNEL)
468 goto common_config;
469
470 set_qd_dev_type = true;
471
472 }
473
474common_config:
475
476
477
478
479 if (set_qd_dev_type) {
480 if (strncmp(sdev->vendor, "ATA", 3) == 0)
481 depth = 32;
482 else
483 depth = 64;
484 }
485
486
487
488
489
490
491 if (set_timeout) {
492 timeout = aac->sa_firmware ? AAC_SA_TIMEOUT : AAC_ARC_TIMEOUT;
493 blk_queue_rq_timeout(sdev->request_queue, timeout * HZ);
494 }
495
496 if (depth > 256)
497 depth = 256;
498 else if (depth < 1)
499 depth = 1;
500
501 scsi_change_queue_depth(sdev, depth);
502
503 sdev->tagged_supported = 1;
504
505 return 0;
506}
507
508
509
510
511
512
513
514
515
516
517static int aac_change_queue_depth(struct scsi_device *sdev, int depth)
518{
519 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
520 int chn, tid, is_native_device = 0;
521
522 chn = aac_logical_to_phys(sdev_channel(sdev));
523 tid = sdev_id(sdev);
524 if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS &&
525 aac->hba_map[chn][tid].devtype == AAC_DEVTYPE_NATIVE_RAW)
526 is_native_device = 1;
527
528 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
529 (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
530 struct scsi_device * dev;
531 struct Scsi_Host *host = sdev->host;
532 unsigned num = 0;
533
534 __shost_for_each_device(dev, host) {
535 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
536 (sdev_channel(dev) == CONTAINER_CHANNEL))
537 ++num;
538 ++num;
539 }
540 if (num >= host->can_queue)
541 num = host->can_queue - 1;
542 if (depth > (host->can_queue - num))
543 depth = host->can_queue - num;
544 if (depth > 256)
545 depth = 256;
546 else if (depth < 2)
547 depth = 2;
548 return scsi_change_queue_depth(sdev, depth);
549 } else if (is_native_device) {
550 scsi_change_queue_depth(sdev, aac->hba_map[chn][tid].qd_limit);
551 } else {
552 scsi_change_queue_depth(sdev, 1);
553 }
554 return sdev->queue_depth;
555}
556
557static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
558{
559 struct scsi_device *sdev = to_scsi_device(dev);
560 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
561 if (sdev_channel(sdev) != CONTAINER_CHANNEL)
562 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
563 ? "Hidden\n" :
564 ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
565 return snprintf(buf, PAGE_SIZE, "%s\n",
566 get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
567}
568
569static struct device_attribute aac_raid_level_attr = {
570 .attr = {
571 .name = "level",
572 .mode = S_IRUGO,
573 },
574 .show = aac_show_raid_level
575};
576
577static ssize_t aac_show_unique_id(struct device *dev,
578 struct device_attribute *attr, char *buf)
579{
580 struct scsi_device *sdev = to_scsi_device(dev);
581 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
582 unsigned char sn[16];
583
584 memset(sn, 0, sizeof(sn));
585
586 if (sdev_channel(sdev) == CONTAINER_CHANNEL)
587 memcpy(sn, aac->fsa_dev[sdev_id(sdev)].identifier, sizeof(sn));
588
589 return snprintf(buf, 16 * 2 + 2,
590 "%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X\n",
591 sn[0], sn[1], sn[2], sn[3],
592 sn[4], sn[5], sn[6], sn[7],
593 sn[8], sn[9], sn[10], sn[11],
594 sn[12], sn[13], sn[14], sn[15]);
595}
596
597static struct device_attribute aac_unique_id_attr = {
598 .attr = {
599 .name = "unique_id",
600 .mode = 0444,
601 },
602 .show = aac_show_unique_id
603};
604
605
606
607static struct device_attribute *aac_dev_attrs[] = {
608 &aac_raid_level_attr,
609 &aac_unique_id_attr,
610 NULL,
611};
612
613static int aac_ioctl(struct scsi_device *sdev, unsigned int cmd,
614 void __user *arg)
615{
616 int retval;
617 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
618 if (!capable(CAP_SYS_RAWIO))
619 return -EPERM;
620 retval = aac_adapter_check_health(dev);
621 if (retval)
622 return -EBUSY;
623 return aac_do_ioctl(dev, cmd, arg);
624}
625
626struct fib_count_data {
627 int mlcnt;
628 int llcnt;
629 int ehcnt;
630 int fwcnt;
631 int krlcnt;
632};
633
634static bool fib_count_iter(struct scsi_cmnd *scmnd, void *data, bool reserved)
635{
636 struct fib_count_data *fib_count = data;
637
638 switch (scmnd->SCp.phase) {
639 case AAC_OWNER_FIRMWARE:
640 fib_count->fwcnt++;
641 break;
642 case AAC_OWNER_ERROR_HANDLER:
643 fib_count->ehcnt++;
644 break;
645 case AAC_OWNER_LOWLEVEL:
646 fib_count->llcnt++;
647 break;
648 case AAC_OWNER_MIDLEVEL:
649 fib_count->mlcnt++;
650 break;
651 default:
652 fib_count->krlcnt++;
653 break;
654 }
655 return true;
656}
657
658
659static int get_num_of_incomplete_fibs(struct aac_dev *aac)
660{
661 struct Scsi_Host *shost = aac->scsi_host_ptr;
662 struct device *ctrl_dev;
663 struct fib_count_data fcnt = { };
664
665 scsi_host_busy_iter(shost, fib_count_iter, &fcnt);
666
667 ctrl_dev = &aac->pdev->dev;
668
669 dev_info(ctrl_dev, "outstanding cmd: midlevel-%d\n", fcnt.mlcnt);
670 dev_info(ctrl_dev, "outstanding cmd: lowlevel-%d\n", fcnt.llcnt);
671 dev_info(ctrl_dev, "outstanding cmd: error handler-%d\n", fcnt.ehcnt);
672 dev_info(ctrl_dev, "outstanding cmd: firmware-%d\n", fcnt.fwcnt);
673 dev_info(ctrl_dev, "outstanding cmd: kernel-%d\n", fcnt.krlcnt);
674
675 return fcnt.mlcnt + fcnt.llcnt + fcnt.ehcnt + fcnt.fwcnt;
676}
677
678static int aac_eh_abort(struct scsi_cmnd* cmd)
679{
680 struct scsi_device * dev = cmd->device;
681 struct Scsi_Host * host = dev->host;
682 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
683 int count, found;
684 u32 bus, cid;
685 int ret = FAILED;
686
687 if (aac_adapter_check_health(aac))
688 return ret;
689
690 bus = aac_logical_to_phys(scmd_channel(cmd));
691 cid = scmd_id(cmd);
692 if (aac->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) {
693 struct fib *fib;
694 struct aac_hba_tm_req *tmf;
695 int status;
696 u64 address;
697
698 pr_err("%s: Host adapter abort request (%d,%d,%d,%d)\n",
699 AAC_DRIVERNAME,
700 host->host_no, sdev_channel(dev), sdev_id(dev), (int)dev->lun);
701
702 found = 0;
703 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
704 fib = &aac->fibs[count];
705 if (*(u8 *)fib->hw_fib_va != 0 &&
706 (fib->flags & FIB_CONTEXT_FLAG_NATIVE_HBA) &&
707 (fib->callback_data == cmd)) {
708 found = 1;
709 break;
710 }
711 }
712 if (!found)
713 return ret;
714
715
716 fib = aac_fib_alloc(aac);
717 if (!fib)
718 return ret;
719
720 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
721 memset(tmf, 0, sizeof(*tmf));
722 tmf->tmf = HBA_TMF_ABORT_TASK;
723 tmf->it_nexus = aac->hba_map[bus][cid].rmw_nexus;
724 tmf->lun[1] = cmd->device->lun;
725
726 address = (u64)fib->hw_error_pa;
727 tmf->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
728 tmf->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
729 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
730
731 fib->hbacmd_size = sizeof(*tmf);
732 cmd->SCp.sent_command = 0;
733
734 status = aac_hba_send(HBA_IU_TYPE_SCSI_TM_REQ, fib,
735 (fib_callback) aac_hba_callback,
736 (void *) cmd);
737 if (status != -EINPROGRESS) {
738 aac_fib_complete(fib);
739 aac_fib_free(fib);
740 return ret;
741 }
742
743 for (count = 0; count < 15; ++count) {
744 if (cmd->SCp.sent_command) {
745 ret = SUCCESS;
746 break;
747 }
748 msleep(1000);
749 }
750
751 if (ret != SUCCESS)
752 pr_err("%s: Host adapter abort request timed out\n",
753 AAC_DRIVERNAME);
754 } else {
755 pr_err(
756 "%s: Host adapter abort request.\n"
757 "%s: Outstanding commands on (%d,%d,%d,%d):\n",
758 AAC_DRIVERNAME, AAC_DRIVERNAME,
759 host->host_no, sdev_channel(dev), sdev_id(dev),
760 (int)dev->lun);
761 switch (cmd->cmnd[0]) {
762 case SERVICE_ACTION_IN_16:
763 if (!(aac->raw_io_interface) ||
764 !(aac->raw_io_64) ||
765 ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
766 break;
767
768 case INQUIRY:
769 case READ_CAPACITY:
770
771
772
773
774 for (count = 0;
775 count < (host->can_queue + AAC_NUM_MGT_FIB);
776 ++count) {
777 struct fib *fib = &aac->fibs[count];
778
779 if (fib->hw_fib_va->header.XferState &&
780 (fib->flags & FIB_CONTEXT_FLAG) &&
781 (fib->callback_data == cmd)) {
782 fib->flags |=
783 FIB_CONTEXT_FLAG_TIMED_OUT;
784 cmd->SCp.phase =
785 AAC_OWNER_ERROR_HANDLER;
786 ret = SUCCESS;
787 }
788 }
789 break;
790 case TEST_UNIT_READY:
791
792
793
794
795 for (count = 0;
796 count < (host->can_queue + AAC_NUM_MGT_FIB);
797 ++count) {
798 struct scsi_cmnd *command;
799 struct fib *fib = &aac->fibs[count];
800
801 command = fib->callback_data;
802
803 if ((fib->hw_fib_va->header.XferState &
804 cpu_to_le32
805 (Async | NoResponseExpected)) &&
806 (fib->flags & FIB_CONTEXT_FLAG) &&
807 ((command)) &&
808 (command->device == cmd->device)) {
809 fib->flags |=
810 FIB_CONTEXT_FLAG_TIMED_OUT;
811 command->SCp.phase =
812 AAC_OWNER_ERROR_HANDLER;
813 if (command == cmd)
814 ret = SUCCESS;
815 }
816 }
817 break;
818 }
819 }
820 return ret;
821}
822
823static u8 aac_eh_tmf_lun_reset_fib(struct aac_hba_map_info *info,
824 struct fib *fib, u64 tmf_lun)
825{
826 struct aac_hba_tm_req *tmf;
827 u64 address;
828
829
830 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
831 memset(tmf, 0, sizeof(*tmf));
832 tmf->tmf = HBA_TMF_LUN_RESET;
833 tmf->it_nexus = info->rmw_nexus;
834 int_to_scsilun(tmf_lun, (struct scsi_lun *)tmf->lun);
835
836 address = (u64)fib->hw_error_pa;
837 tmf->error_ptr_hi = cpu_to_le32
838 ((u32)(address >> 32));
839 tmf->error_ptr_lo = cpu_to_le32
840 ((u32)(address & 0xffffffff));
841 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
842 fib->hbacmd_size = sizeof(*tmf);
843
844 return HBA_IU_TYPE_SCSI_TM_REQ;
845}
846
847static u8 aac_eh_tmf_hard_reset_fib(struct aac_hba_map_info *info,
848 struct fib *fib)
849{
850 struct aac_hba_reset_req *rst;
851 u64 address;
852
853
854 rst = (struct aac_hba_reset_req *)fib->hw_fib_va;
855 memset(rst, 0, sizeof(*rst));
856 rst->it_nexus = info->rmw_nexus;
857
858 address = (u64)fib->hw_error_pa;
859 rst->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
860 rst->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
861 rst->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
862 fib->hbacmd_size = sizeof(*rst);
863
864 return HBA_IU_TYPE_SATA_REQ;
865}
866
867static void aac_tmf_callback(void *context, struct fib *fibptr)
868{
869 struct aac_hba_resp *err =
870 &((struct aac_native_hba *)fibptr->hw_fib_va)->resp.err;
871 struct aac_hba_map_info *info = context;
872 int res;
873
874 switch (err->service_response) {
875 case HBA_RESP_SVCRES_TMF_REJECTED:
876 res = -1;
877 break;
878 case HBA_RESP_SVCRES_TMF_LUN_INVALID:
879 res = 0;
880 break;
881 case HBA_RESP_SVCRES_TMF_COMPLETE:
882 case HBA_RESP_SVCRES_TMF_SUCCEEDED:
883 res = 0;
884 break;
885 default:
886 res = -2;
887 break;
888 }
889 aac_fib_complete(fibptr);
890
891 info->reset_state = res;
892}
893
894
895
896
897
898
899static int aac_eh_dev_reset(struct scsi_cmnd *cmd)
900{
901 struct scsi_device * dev = cmd->device;
902 struct Scsi_Host * host = dev->host;
903 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
904 struct aac_hba_map_info *info;
905 int count;
906 u32 bus, cid;
907 struct fib *fib;
908 int ret = FAILED;
909 int status;
910 u8 command;
911
912 bus = aac_logical_to_phys(scmd_channel(cmd));
913 cid = scmd_id(cmd);
914
915 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS)
916 return FAILED;
917
918 info = &aac->hba_map[bus][cid];
919
920 if (!(info->devtype == AAC_DEVTYPE_NATIVE_RAW &&
921 !(info->reset_state > 0)))
922 return FAILED;
923
924 pr_err("%s: Host device reset request. SCSI hang ?\n",
925 AAC_DRIVERNAME);
926
927 fib = aac_fib_alloc(aac);
928 if (!fib)
929 return ret;
930
931
932 command = aac_eh_tmf_lun_reset_fib(info, fib, dev->lun);
933
934 info->reset_state = 1;
935
936 status = aac_hba_send(command, fib,
937 (fib_callback) aac_tmf_callback,
938 (void *) info);
939 if (status != -EINPROGRESS) {
940 info->reset_state = 0;
941 aac_fib_complete(fib);
942 aac_fib_free(fib);
943 return ret;
944 }
945
946 for (count = 0; count < 15; ++count) {
947 if (info->reset_state == 0) {
948 ret = info->reset_state == 0 ? SUCCESS : FAILED;
949 break;
950 }
951 msleep(1000);
952 }
953
954 return ret;
955}
956
957
958
959
960
961
962static int aac_eh_target_reset(struct scsi_cmnd *cmd)
963{
964 struct scsi_device * dev = cmd->device;
965 struct Scsi_Host * host = dev->host;
966 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
967 struct aac_hba_map_info *info;
968 int count;
969 u32 bus, cid;
970 int ret = FAILED;
971 struct fib *fib;
972 int status;
973 u8 command;
974
975 bus = aac_logical_to_phys(scmd_channel(cmd));
976 cid = scmd_id(cmd);
977
978 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS)
979 return FAILED;
980
981 info = &aac->hba_map[bus][cid];
982
983 if (!(info->devtype == AAC_DEVTYPE_NATIVE_RAW &&
984 !(info->reset_state > 0)))
985 return FAILED;
986
987 pr_err("%s: Host target reset request. SCSI hang ?\n",
988 AAC_DRIVERNAME);
989
990 fib = aac_fib_alloc(aac);
991 if (!fib)
992 return ret;
993
994
995
996 command = aac_eh_tmf_hard_reset_fib(info, fib);
997
998 info->reset_state = 2;
999
1000 status = aac_hba_send(command, fib,
1001 (fib_callback) aac_tmf_callback,
1002 (void *) info);
1003
1004 if (status != -EINPROGRESS) {
1005 info->reset_state = 0;
1006 aac_fib_complete(fib);
1007 aac_fib_free(fib);
1008 return ret;
1009 }
1010
1011
1012 for (count = 0; count < 15; ++count) {
1013 if (info->reset_state <= 0) {
1014 ret = info->reset_state == 0 ? SUCCESS : FAILED;
1015 break;
1016 }
1017 msleep(1000);
1018 }
1019
1020 return ret;
1021}
1022
1023
1024
1025
1026
1027
1028static int aac_eh_bus_reset(struct scsi_cmnd* cmd)
1029{
1030 struct scsi_device * dev = cmd->device;
1031 struct Scsi_Host * host = dev->host;
1032 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
1033 int count;
1034 u32 cmd_bus;
1035 int status = 0;
1036
1037
1038 cmd_bus = aac_logical_to_phys(scmd_channel(cmd));
1039
1040 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
1041 struct fib *fib = &aac->fibs[count];
1042
1043 if (fib->hw_fib_va->header.XferState &&
1044 (fib->flags & FIB_CONTEXT_FLAG) &&
1045 (fib->flags & FIB_CONTEXT_FLAG_SCSI_CMD)) {
1046 struct aac_hba_map_info *info;
1047 u32 bus, cid;
1048
1049 cmd = (struct scsi_cmnd *)fib->callback_data;
1050 bus = aac_logical_to_phys(scmd_channel(cmd));
1051 if (bus != cmd_bus)
1052 continue;
1053 cid = scmd_id(cmd);
1054 info = &aac->hba_map[bus][cid];
1055 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS ||
1056 info->devtype != AAC_DEVTYPE_NATIVE_RAW) {
1057 fib->flags |= FIB_CONTEXT_FLAG_EH_RESET;
1058 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
1059 }
1060 }
1061 }
1062
1063 pr_err("%s: Host bus reset request. SCSI hang ?\n", AAC_DRIVERNAME);
1064
1065
1066
1067
1068 status = aac_adapter_check_health(aac);
1069 if (status)
1070 dev_err(&aac->pdev->dev, "Adapter health - %d\n", status);
1071
1072 count = get_num_of_incomplete_fibs(aac);
1073 return (count == 0) ? SUCCESS : FAILED;
1074}
1075
1076
1077
1078
1079
1080
1081static int aac_eh_host_reset(struct scsi_cmnd *cmd)
1082{
1083 struct scsi_device * dev = cmd->device;
1084 struct Scsi_Host * host = dev->host;
1085 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
1086 int ret = FAILED;
1087 __le32 supported_options2 = 0;
1088 bool is_mu_reset;
1089 bool is_ignore_reset;
1090 bool is_doorbell_reset;
1091
1092
1093
1094
1095 supported_options2 = aac->supplement_adapter_info.supported_options2;
1096 is_mu_reset = supported_options2 & AAC_OPTION_MU_RESET;
1097 is_doorbell_reset = supported_options2 & AAC_OPTION_DOORBELL_RESET;
1098 is_ignore_reset = supported_options2 & AAC_OPTION_IGNORE_RESET;
1099
1100
1101
1102
1103
1104 if ((is_mu_reset || is_doorbell_reset)
1105 && aac_check_reset
1106 && (aac_check_reset != -1 || !is_ignore_reset)) {
1107
1108 if (aac_reset_adapter(aac, 2, IOP_HWSOFT_RESET) == 0)
1109 ret = SUCCESS;
1110 }
1111
1112
1113
1114 if (ret == SUCCESS) {
1115 int bus, cid;
1116 struct aac_hba_map_info *info;
1117
1118 for (bus = 0; bus < AAC_MAX_BUSES; bus++) {
1119 for (cid = 0; cid < AAC_MAX_TARGETS; cid++) {
1120 info = &aac->hba_map[bus][cid];
1121 if (info->devtype == AAC_DEVTYPE_NATIVE_RAW)
1122 info->reset_state = 0;
1123 }
1124 }
1125 }
1126 return ret;
1127}
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141static int aac_cfg_open(struct inode *inode, struct file *file)
1142{
1143 struct aac_dev *aac;
1144 unsigned minor_number = iminor(inode);
1145 int err = -ENODEV;
1146
1147 mutex_lock(&aac_mutex);
1148 list_for_each_entry(aac, &aac_devices, entry) {
1149 if (aac->id == minor_number) {
1150 file->private_data = aac;
1151 err = 0;
1152 break;
1153 }
1154 }
1155 mutex_unlock(&aac_mutex);
1156
1157 return err;
1158}
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174static long aac_cfg_ioctl(struct file *file,
1175 unsigned int cmd, unsigned long arg)
1176{
1177 struct aac_dev *aac = (struct aac_dev *)file->private_data;
1178
1179 if (!capable(CAP_SYS_RAWIO))
1180 return -EPERM;
1181
1182 return aac_do_ioctl(aac, cmd, (void __user *)arg);
1183}
1184
1185#ifdef CONFIG_COMPAT
1186static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
1187{
1188 long ret;
1189 switch (cmd) {
1190 case FSACTL_MINIPORT_REV_CHECK:
1191 case FSACTL_SENDFIB:
1192 case FSACTL_OPEN_GET_ADAPTER_FIB:
1193 case FSACTL_CLOSE_GET_ADAPTER_FIB:
1194 case FSACTL_SEND_RAW_SRB:
1195 case FSACTL_GET_PCI_INFO:
1196 case FSACTL_QUERY_DISK:
1197 case FSACTL_DELETE_DISK:
1198 case FSACTL_FORCE_DELETE_DISK:
1199 case FSACTL_GET_CONTAINERS:
1200 case FSACTL_SEND_LARGE_FIB:
1201 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
1202 break;
1203
1204 case FSACTL_GET_NEXT_ADAPTER_FIB: {
1205 struct fib_ioctl __user *f;
1206
1207 f = compat_alloc_user_space(sizeof(*f));
1208 ret = 0;
1209 if (clear_user(f, sizeof(*f)))
1210 ret = -EFAULT;
1211 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
1212 ret = -EFAULT;
1213 if (!ret)
1214 ret = aac_do_ioctl(dev, cmd, f);
1215 break;
1216 }
1217
1218 default:
1219 ret = -ENOIOCTLCMD;
1220 break;
1221 }
1222 return ret;
1223}
1224
1225static int aac_compat_ioctl(struct scsi_device *sdev, unsigned int cmd,
1226 void __user *arg)
1227{
1228 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
1229 if (!capable(CAP_SYS_RAWIO))
1230 return -EPERM;
1231 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
1232}
1233
1234static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
1235{
1236 if (!capable(CAP_SYS_RAWIO))
1237 return -EPERM;
1238 return aac_compat_do_ioctl(file->private_data, cmd, arg);
1239}
1240#endif
1241
1242static ssize_t aac_show_model(struct device *device,
1243 struct device_attribute *attr, char *buf)
1244{
1245 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1246 int len;
1247
1248 if (dev->supplement_adapter_info.adapter_type_text[0]) {
1249 char *cp = dev->supplement_adapter_info.adapter_type_text;
1250 while (*cp && *cp != ' ')
1251 ++cp;
1252 while (*cp == ' ')
1253 ++cp;
1254 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
1255 } else
1256 len = snprintf(buf, PAGE_SIZE, "%s\n",
1257 aac_drivers[dev->cardtype].model);
1258 return len;
1259}
1260
1261static ssize_t aac_show_vendor(struct device *device,
1262 struct device_attribute *attr, char *buf)
1263{
1264 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1265 struct aac_supplement_adapter_info *sup_adap_info;
1266 int len;
1267
1268 sup_adap_info = &dev->supplement_adapter_info;
1269 if (sup_adap_info->adapter_type_text[0]) {
1270 char *cp = sup_adap_info->adapter_type_text;
1271 while (*cp && *cp != ' ')
1272 ++cp;
1273 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
1274 (int)(cp - (char *)sup_adap_info->adapter_type_text),
1275 sup_adap_info->adapter_type_text);
1276 } else
1277 len = snprintf(buf, PAGE_SIZE, "%s\n",
1278 aac_drivers[dev->cardtype].vname);
1279 return len;
1280}
1281
1282static ssize_t aac_show_flags(struct device *cdev,
1283 struct device_attribute *attr, char *buf)
1284{
1285 int len = 0;
1286 struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
1287
1288 if (nblank(dprintk(x)))
1289 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
1290#ifdef AAC_DETAILED_STATUS_INFO
1291 len += scnprintf(buf + len, PAGE_SIZE - len,
1292 "AAC_DETAILED_STATUS_INFO\n");
1293#endif
1294 if (dev->raw_io_interface && dev->raw_io_64)
1295 len += scnprintf(buf + len, PAGE_SIZE - len,
1296 "SAI_READ_CAPACITY_16\n");
1297 if (dev->jbod)
1298 len += scnprintf(buf + len, PAGE_SIZE - len,
1299 "SUPPORTED_JBOD\n");
1300 if (dev->supplement_adapter_info.supported_options2 &
1301 AAC_OPTION_POWER_MANAGEMENT)
1302 len += scnprintf(buf + len, PAGE_SIZE - len,
1303 "SUPPORTED_POWER_MANAGEMENT\n");
1304 if (dev->msi)
1305 len += scnprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
1306 return len;
1307}
1308
1309static ssize_t aac_show_kernel_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.kernelrev);
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.kernelbuild));
1320 return len;
1321}
1322
1323static ssize_t aac_show_monitor_version(struct device *device,
1324 struct device_attribute *attr,
1325 char *buf)
1326{
1327 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1328 int len, tmp;
1329
1330 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
1331 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1332 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1333 le32_to_cpu(dev->adapter_info.monitorbuild));
1334 return len;
1335}
1336
1337static ssize_t aac_show_bios_version(struct device *device,
1338 struct device_attribute *attr,
1339 char *buf)
1340{
1341 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1342 int len, tmp;
1343
1344 tmp = le32_to_cpu(dev->adapter_info.biosrev);
1345 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1346 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1347 le32_to_cpu(dev->adapter_info.biosbuild));
1348 return len;
1349}
1350
1351static ssize_t aac_show_driver_version(struct device *device,
1352 struct device_attribute *attr,
1353 char *buf)
1354{
1355 return snprintf(buf, PAGE_SIZE, "%s\n", aac_driver_version);
1356}
1357
1358static ssize_t aac_show_serial_number(struct device *device,
1359 struct device_attribute *attr, char *buf)
1360{
1361 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1362 int len = 0;
1363
1364 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
1365 len = snprintf(buf, 16, "%06X\n",
1366 le32_to_cpu(dev->adapter_info.serial[0]));
1367 if (len &&
1368 !memcmp(&dev->supplement_adapter_info.mfg_pcba_serial_no[
1369 sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no)-len],
1370 buf, len-1))
1371 len = snprintf(buf, 16, "%.*s\n",
1372 (int)sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no),
1373 dev->supplement_adapter_info.mfg_pcba_serial_no);
1374
1375 return min(len, 16);
1376}
1377
1378static ssize_t aac_show_max_channel(struct device *device,
1379 struct device_attribute *attr, char *buf)
1380{
1381 return snprintf(buf, PAGE_SIZE, "%d\n",
1382 class_to_shost(device)->max_channel);
1383}
1384
1385static ssize_t aac_show_max_id(struct device *device,
1386 struct device_attribute *attr, char *buf)
1387{
1388 return snprintf(buf, PAGE_SIZE, "%d\n",
1389 class_to_shost(device)->max_id);
1390}
1391
1392static ssize_t aac_store_reset_adapter(struct device *device,
1393 struct device_attribute *attr,
1394 const char *buf, size_t count)
1395{
1396 int retval = -EACCES;
1397
1398 if (!capable(CAP_SYS_ADMIN))
1399 return retval;
1400
1401 retval = aac_reset_adapter(shost_priv(class_to_shost(device)),
1402 buf[0] == '!', IOP_HWSOFT_RESET);
1403 if (retval >= 0)
1404 retval = count;
1405
1406 return retval;
1407}
1408
1409static ssize_t aac_show_reset_adapter(struct device *device,
1410 struct device_attribute *attr,
1411 char *buf)
1412{
1413 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1414 int len, tmp;
1415
1416 tmp = aac_adapter_check_health(dev);
1417 if ((tmp == 0) && dev->in_reset)
1418 tmp = -EBUSY;
1419 len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
1420 return len;
1421}
1422
1423static struct device_attribute aac_model = {
1424 .attr = {
1425 .name = "model",
1426 .mode = S_IRUGO,
1427 },
1428 .show = aac_show_model,
1429};
1430static struct device_attribute aac_vendor = {
1431 .attr = {
1432 .name = "vendor",
1433 .mode = S_IRUGO,
1434 },
1435 .show = aac_show_vendor,
1436};
1437static struct device_attribute aac_flags = {
1438 .attr = {
1439 .name = "flags",
1440 .mode = S_IRUGO,
1441 },
1442 .show = aac_show_flags,
1443};
1444static struct device_attribute aac_kernel_version = {
1445 .attr = {
1446 .name = "hba_kernel_version",
1447 .mode = S_IRUGO,
1448 },
1449 .show = aac_show_kernel_version,
1450};
1451static struct device_attribute aac_monitor_version = {
1452 .attr = {
1453 .name = "hba_monitor_version",
1454 .mode = S_IRUGO,
1455 },
1456 .show = aac_show_monitor_version,
1457};
1458static struct device_attribute aac_bios_version = {
1459 .attr = {
1460 .name = "hba_bios_version",
1461 .mode = S_IRUGO,
1462 },
1463 .show = aac_show_bios_version,
1464};
1465static struct device_attribute aac_lld_version = {
1466 .attr = {
1467 .name = "driver_version",
1468 .mode = 0444,
1469 },
1470 .show = aac_show_driver_version,
1471};
1472static struct device_attribute aac_serial_number = {
1473 .attr = {
1474 .name = "serial_number",
1475 .mode = S_IRUGO,
1476 },
1477 .show = aac_show_serial_number,
1478};
1479static struct device_attribute aac_max_channel = {
1480 .attr = {
1481 .name = "max_channel",
1482 .mode = S_IRUGO,
1483 },
1484 .show = aac_show_max_channel,
1485};
1486static struct device_attribute aac_max_id = {
1487 .attr = {
1488 .name = "max_id",
1489 .mode = S_IRUGO,
1490 },
1491 .show = aac_show_max_id,
1492};
1493static struct device_attribute aac_reset = {
1494 .attr = {
1495 .name = "reset_host",
1496 .mode = S_IWUSR|S_IRUGO,
1497 },
1498 .store = aac_store_reset_adapter,
1499 .show = aac_show_reset_adapter,
1500};
1501
1502static struct device_attribute *aac_attrs[] = {
1503 &aac_model,
1504 &aac_vendor,
1505 &aac_flags,
1506 &aac_kernel_version,
1507 &aac_monitor_version,
1508 &aac_bios_version,
1509 &aac_lld_version,
1510 &aac_serial_number,
1511 &aac_max_channel,
1512 &aac_max_id,
1513 &aac_reset,
1514 NULL
1515};
1516
1517ssize_t aac_get_serial_number(struct device *device, char *buf)
1518{
1519 return aac_show_serial_number(device, &aac_serial_number, buf);
1520}
1521
1522static const struct file_operations aac_cfg_fops = {
1523 .owner = THIS_MODULE,
1524 .unlocked_ioctl = aac_cfg_ioctl,
1525#ifdef CONFIG_COMPAT
1526 .compat_ioctl = aac_compat_cfg_ioctl,
1527#endif
1528 .open = aac_cfg_open,
1529 .llseek = noop_llseek,
1530};
1531
1532static struct scsi_host_template aac_driver_template = {
1533 .module = THIS_MODULE,
1534 .name = "AAC",
1535 .proc_name = AAC_DRIVERNAME,
1536 .info = aac_info,
1537 .ioctl = aac_ioctl,
1538#ifdef CONFIG_COMPAT
1539 .compat_ioctl = aac_compat_ioctl,
1540#endif
1541 .queuecommand = aac_queuecommand,
1542 .bios_param = aac_biosparm,
1543 .shost_attrs = aac_attrs,
1544 .slave_configure = aac_slave_configure,
1545 .change_queue_depth = aac_change_queue_depth,
1546 .sdev_attrs = aac_dev_attrs,
1547 .eh_abort_handler = aac_eh_abort,
1548 .eh_device_reset_handler = aac_eh_dev_reset,
1549 .eh_target_reset_handler = aac_eh_target_reset,
1550 .eh_bus_reset_handler = aac_eh_bus_reset,
1551 .eh_host_reset_handler = aac_eh_host_reset,
1552 .can_queue = AAC_NUM_IO_FIB,
1553 .this_id = MAXIMUM_NUM_CONTAINERS,
1554 .sg_tablesize = 16,
1555 .max_sectors = 128,
1556#if (AAC_NUM_IO_FIB > 256)
1557 .cmd_per_lun = 256,
1558#else
1559 .cmd_per_lun = AAC_NUM_IO_FIB,
1560#endif
1561 .emulated = 1,
1562 .no_write_same = 1,
1563};
1564
1565static void __aac_shutdown(struct aac_dev * aac)
1566{
1567 int i;
1568
1569 mutex_lock(&aac->ioctl_mutex);
1570 aac->adapter_shutdown = 1;
1571 mutex_unlock(&aac->ioctl_mutex);
1572
1573 if (aac->aif_thread) {
1574 int i;
1575
1576 for (i = 0; i < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++) {
1577 struct fib *fib = &aac->fibs[i];
1578 if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) &&
1579 (fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected)))
1580 complete(&fib->event_wait);
1581 }
1582 kthread_stop(aac->thread);
1583 aac->thread = NULL;
1584 }
1585
1586 aac_send_shutdown(aac);
1587
1588 aac_adapter_disable_int(aac);
1589
1590 if (aac_is_src(aac)) {
1591 if (aac->max_msix > 1) {
1592 for (i = 0; i < aac->max_msix; i++) {
1593 free_irq(pci_irq_vector(aac->pdev, i),
1594 &(aac->aac_msix[i]));
1595 }
1596 } else {
1597 free_irq(aac->pdev->irq,
1598 &(aac->aac_msix[0]));
1599 }
1600 } else {
1601 free_irq(aac->pdev->irq, aac);
1602 }
1603 if (aac->msi)
1604 pci_disable_msi(aac->pdev);
1605 else if (aac->max_msix > 1)
1606 pci_disable_msix(aac->pdev);
1607}
1608static void aac_init_char(void)
1609{
1610 aac_cfg_major = register_chrdev(0, "aac", &aac_cfg_fops);
1611 if (aac_cfg_major < 0) {
1612 pr_err("aacraid: unable to register \"aac\" device.\n");
1613 }
1614}
1615
1616void aac_reinit_aif(struct aac_dev *aac, unsigned int index)
1617{
1618
1619
1620
1621
1622
1623
1624 if (aac_drivers[index].quirks & AAC_QUIRK_SRC)
1625 aac_intr_normal(aac, 0, 2, 0, NULL);
1626
1627}
1628
1629static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1630{
1631 unsigned index = id->driver_data;
1632 struct Scsi_Host *shost;
1633 struct aac_dev *aac;
1634 struct list_head *insert = &aac_devices;
1635 int error;
1636 int unique_id = 0;
1637 u64 dmamask;
1638 int mask_bits = 0;
1639 extern int aac_sync_mode;
1640
1641
1642
1643
1644 if (pdev->device == PMC_DEVICE_S7)
1645 pdev->needs_freset = 1;
1646
1647 list_for_each_entry(aac, &aac_devices, entry) {
1648 if (aac->id > unique_id)
1649 break;
1650 insert = &aac->entry;
1651 unique_id++;
1652 }
1653
1654 pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
1655 PCIE_LINK_STATE_CLKPM);
1656
1657 error = pci_enable_device(pdev);
1658 if (error)
1659 goto out;
1660
1661 if (!(aac_drivers[index].quirks & AAC_QUIRK_SRC)) {
1662 error = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
1663 if (error) {
1664 dev_err(&pdev->dev, "PCI 32 BIT dma mask set failed");
1665 goto out_disable_pdev;
1666 }
1667 }
1668
1669
1670
1671
1672
1673 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) {
1674 dmamask = DMA_BIT_MASK(31);
1675 mask_bits = 31;
1676 } else {
1677 dmamask = DMA_BIT_MASK(32);
1678 mask_bits = 32;
1679 }
1680
1681 error = pci_set_consistent_dma_mask(pdev, dmamask);
1682 if (error) {
1683 dev_err(&pdev->dev, "PCI %d B consistent dma mask set failed\n"
1684 , mask_bits);
1685 goto out_disable_pdev;
1686 }
1687
1688 pci_set_master(pdev);
1689
1690 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1691 if (!shost) {
1692 error = -ENOMEM;
1693 goto out_disable_pdev;
1694 }
1695
1696 shost->irq = pdev->irq;
1697 shost->unique_id = unique_id;
1698 shost->max_cmd_len = 16;
1699
1700 if (aac_cfg_major == AAC_CHARDEV_NEEDS_REINIT)
1701 aac_init_char();
1702
1703 aac = (struct aac_dev *)shost->hostdata;
1704 aac->base_start = pci_resource_start(pdev, 0);
1705 aac->scsi_host_ptr = shost;
1706 aac->pdev = pdev;
1707 aac->name = aac_driver_template.name;
1708 aac->id = shost->unique_id;
1709 aac->cardtype = index;
1710 INIT_LIST_HEAD(&aac->entry);
1711
1712 if (aac_reset_devices || reset_devices)
1713 aac->init_reset = true;
1714
1715 aac->fibs = kcalloc(shost->can_queue + AAC_NUM_MGT_FIB,
1716 sizeof(struct fib),
1717 GFP_KERNEL);
1718 if (!aac->fibs) {
1719 error = -ENOMEM;
1720 goto out_free_host;
1721 }
1722
1723 spin_lock_init(&aac->fib_lock);
1724
1725 mutex_init(&aac->ioctl_mutex);
1726 mutex_init(&aac->scan_mutex);
1727
1728 INIT_DELAYED_WORK(&aac->safw_rescan_work, aac_safw_rescan_worker);
1729 INIT_DELAYED_WORK(&aac->src_reinit_aif_worker,
1730 aac_src_reinit_aif_worker);
1731
1732
1733
1734 aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1735 if ((*aac_drivers[index].init)(aac)) {
1736 error = -ENODEV;
1737 goto out_unmap;
1738 }
1739
1740 if (aac->sync_mode) {
1741 if (aac_sync_mode)
1742 printk(KERN_INFO "%s%d: Sync. mode enforced "
1743 "by driver parameter. This will cause "
1744 "a significant performance decrease!\n",
1745 aac->name,
1746 aac->id);
1747 else
1748 printk(KERN_INFO "%s%d: Async. mode not supported "
1749 "by current driver, sync. mode enforced."
1750 "\nPlease update driver to get full performance.\n",
1751 aac->name,
1752 aac->id);
1753 }
1754
1755
1756
1757
1758 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1759 if (IS_ERR(aac->thread)) {
1760 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1761 error = PTR_ERR(aac->thread);
1762 aac->thread = NULL;
1763 goto out_deinit;
1764 }
1765
1766 aac->maximum_num_channels = aac_drivers[index].channels;
1767 error = aac_get_adapter_info(aac);
1768 if (error < 0)
1769 goto out_deinit;
1770
1771
1772
1773
1774 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1775 (shost->sg_tablesize > 34)) {
1776 shost->sg_tablesize = 34;
1777 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1778 }
1779
1780 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1781 (shost->sg_tablesize > 17)) {
1782 shost->sg_tablesize = 17;
1783 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1784 }
1785
1786 if (aac->adapter_info.options & AAC_OPT_NEW_COMM)
1787 shost->max_segment_size = shost->max_sectors << 9;
1788 else
1789 shost->max_segment_size = 65536;
1790
1791
1792
1793
1794 if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1795 aac->printf_enabled = 1;
1796 else
1797 aac->printf_enabled = 0;
1798
1799
1800
1801
1802
1803
1804 if (aac->nondasd_support || expose_physicals || aac->jbod)
1805 shost->max_channel = aac->maximum_num_channels;
1806 else
1807 shost->max_channel = 0;
1808
1809 aac_get_config_status(aac, 0);
1810 aac_get_containers(aac);
1811 list_add(&aac->entry, insert);
1812
1813 shost->max_id = aac->maximum_num_containers;
1814 if (shost->max_id < aac->maximum_num_physicals)
1815 shost->max_id = aac->maximum_num_physicals;
1816 if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1817 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1818 else
1819 shost->this_id = shost->max_id;
1820
1821 if (!aac->sa_firmware && aac_drivers[index].quirks & AAC_QUIRK_SRC)
1822 aac_intr_normal(aac, 0, 2, 0, NULL);
1823
1824
1825
1826
1827
1828 shost->max_lun = AAC_MAX_LUN;
1829
1830 pci_set_drvdata(pdev, shost);
1831
1832 error = scsi_add_host(shost, &pdev->dev);
1833 if (error)
1834 goto out_deinit;
1835
1836 aac_scan_host(aac);
1837
1838 pci_enable_pcie_error_reporting(pdev);
1839 pci_save_state(pdev);
1840
1841 return 0;
1842
1843 out_deinit:
1844 __aac_shutdown(aac);
1845 out_unmap:
1846 aac_fib_map_free(aac);
1847 if (aac->comm_addr)
1848 dma_free_coherent(&aac->pdev->dev, aac->comm_size,
1849 aac->comm_addr, aac->comm_phys);
1850 kfree(aac->queues);
1851 aac_adapter_ioremap(aac, 0);
1852 kfree(aac->fibs);
1853 kfree(aac->fsa_dev);
1854 out_free_host:
1855 scsi_host_put(shost);
1856 out_disable_pdev:
1857 pci_disable_device(pdev);
1858 out:
1859 return error;
1860}
1861
1862static void aac_release_resources(struct aac_dev *aac)
1863{
1864 aac_adapter_disable_int(aac);
1865 aac_free_irq(aac);
1866}
1867
1868static int aac_acquire_resources(struct aac_dev *dev)
1869{
1870 unsigned long status;
1871
1872
1873
1874
1875 while (!((status = src_readl(dev, MUnit.OMR)) & KERNEL_UP_AND_RUNNING)
1876 || status == 0xffffffff)
1877 msleep(20);
1878
1879 aac_adapter_disable_int(dev);
1880 aac_adapter_enable_int(dev);
1881
1882
1883 if (aac_is_src(dev))
1884 aac_define_int_mode(dev);
1885
1886 if (dev->msi_enabled)
1887 aac_src_access_devreg(dev, AAC_ENABLE_MSIX);
1888
1889 if (aac_acquire_irq(dev))
1890 goto error_iounmap;
1891
1892 aac_adapter_enable_int(dev);
1893
1894
1895
1896
1897 aac_fib_vector_assign(dev);
1898
1899 if (!dev->sync_mode) {
1900
1901
1902
1903 dev->init->r7.no_of_msix_vectors = cpu_to_le32(dev->max_msix);
1904 aac_adapter_start(dev);
1905 }
1906 return 0;
1907
1908error_iounmap:
1909 return -1;
1910
1911}
1912
1913#if (defined(CONFIG_PM))
1914static int aac_suspend(struct pci_dev *pdev, pm_message_t state)
1915{
1916
1917 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1918 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1919
1920 scsi_host_block(shost);
1921 aac_cancel_rescan_worker(aac);
1922 aac_send_shutdown(aac);
1923
1924 aac_release_resources(aac);
1925
1926 pci_set_drvdata(pdev, shost);
1927 pci_save_state(pdev);
1928 pci_disable_device(pdev);
1929 pci_set_power_state(pdev, pci_choose_state(pdev, state));
1930
1931 return 0;
1932}
1933
1934static int aac_resume(struct pci_dev *pdev)
1935{
1936 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1937 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1938 int r;
1939
1940 pci_set_power_state(pdev, PCI_D0);
1941 pci_enable_wake(pdev, PCI_D0, 0);
1942 pci_restore_state(pdev);
1943 r = pci_enable_device(pdev);
1944
1945 if (r)
1946 goto fail_device;
1947
1948 pci_set_master(pdev);
1949 if (aac_acquire_resources(aac))
1950 goto fail_device;
1951
1952
1953
1954
1955 aac->adapter_shutdown = 0;
1956 scsi_host_unblock(shost, SDEV_RUNNING);
1957
1958 return 0;
1959
1960fail_device:
1961 printk(KERN_INFO "%s%d: resume failed.\n", aac->name, aac->id);
1962 scsi_host_put(shost);
1963 pci_disable_device(pdev);
1964 return -ENODEV;
1965}
1966#endif
1967
1968static void aac_shutdown(struct pci_dev *dev)
1969{
1970 struct Scsi_Host *shost = pci_get_drvdata(dev);
1971
1972 scsi_host_block(shost);
1973 __aac_shutdown((struct aac_dev *)shost->hostdata);
1974}
1975
1976static void aac_remove_one(struct pci_dev *pdev)
1977{
1978 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1979 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1980
1981 aac_cancel_rescan_worker(aac);
1982 scsi_remove_host(shost);
1983
1984 __aac_shutdown(aac);
1985 aac_fib_map_free(aac);
1986 dma_free_coherent(&aac->pdev->dev, aac->comm_size, aac->comm_addr,
1987 aac->comm_phys);
1988 kfree(aac->queues);
1989
1990 aac_adapter_ioremap(aac, 0);
1991
1992 kfree(aac->fibs);
1993 kfree(aac->fsa_dev);
1994
1995 list_del(&aac->entry);
1996 scsi_host_put(shost);
1997 pci_disable_device(pdev);
1998 if (list_empty(&aac_devices)) {
1999 unregister_chrdev(aac_cfg_major, "aac");
2000 aac_cfg_major = AAC_CHARDEV_NEEDS_REINIT;
2001 }
2002}
2003
2004static pci_ers_result_t aac_pci_error_detected(struct pci_dev *pdev,
2005 enum pci_channel_state error)
2006{
2007 struct Scsi_Host *shost = pci_get_drvdata(pdev);
2008 struct aac_dev *aac = shost_priv(shost);
2009
2010 dev_err(&pdev->dev, "aacraid: PCI error detected %x\n", error);
2011
2012 switch (error) {
2013 case pci_channel_io_normal:
2014 return PCI_ERS_RESULT_CAN_RECOVER;
2015 case pci_channel_io_frozen:
2016 aac->handle_pci_error = 1;
2017
2018 scsi_host_block(shost);
2019 aac_cancel_rescan_worker(aac);
2020 scsi_host_complete_all_commands(shost, DID_NO_CONNECT);
2021 aac_release_resources(aac);
2022
2023 pci_disable_pcie_error_reporting(pdev);
2024 aac_adapter_ioremap(aac, 0);
2025
2026 return PCI_ERS_RESULT_NEED_RESET;
2027 case pci_channel_io_perm_failure:
2028 aac->handle_pci_error = 1;
2029
2030 scsi_host_complete_all_commands(shost, DID_NO_CONNECT);
2031 return PCI_ERS_RESULT_DISCONNECT;
2032 }
2033
2034 return PCI_ERS_RESULT_NEED_RESET;
2035}
2036
2037static pci_ers_result_t aac_pci_mmio_enabled(struct pci_dev *pdev)
2038{
2039 dev_err(&pdev->dev, "aacraid: PCI error - mmio enabled\n");
2040 return PCI_ERS_RESULT_NEED_RESET;
2041}
2042
2043static pci_ers_result_t aac_pci_slot_reset(struct pci_dev *pdev)
2044{
2045 dev_err(&pdev->dev, "aacraid: PCI error - slot reset\n");
2046 pci_restore_state(pdev);
2047 if (pci_enable_device(pdev)) {
2048 dev_warn(&pdev->dev,
2049 "aacraid: failed to enable slave\n");
2050 goto fail_device;
2051 }
2052
2053 pci_set_master(pdev);
2054
2055 if (pci_enable_device_mem(pdev)) {
2056 dev_err(&pdev->dev, "pci_enable_device_mem failed\n");
2057 goto fail_device;
2058 }
2059
2060 return PCI_ERS_RESULT_RECOVERED;
2061
2062fail_device:
2063 dev_err(&pdev->dev, "aacraid: PCI error - slot reset failed\n");
2064 return PCI_ERS_RESULT_DISCONNECT;
2065}
2066
2067
2068static void aac_pci_resume(struct pci_dev *pdev)
2069{
2070 struct Scsi_Host *shost = pci_get_drvdata(pdev);
2071 struct aac_dev *aac = (struct aac_dev *)shost_priv(shost);
2072
2073 if (aac_adapter_ioremap(aac, aac->base_size)) {
2074
2075 dev_err(&pdev->dev, "aacraid: ioremap failed\n");
2076
2077 aac->comm_interface = AAC_COMM_PRODUCER;
2078 if (aac_adapter_ioremap(aac, AAC_MIN_FOOTPRINT_SIZE)) {
2079 dev_warn(&pdev->dev,
2080 "aacraid: unable to map adapter.\n");
2081
2082 return;
2083 }
2084 }
2085
2086 msleep(10000);
2087
2088 aac_acquire_resources(aac);
2089
2090
2091
2092
2093
2094 aac->adapter_shutdown = 0;
2095 aac->handle_pci_error = 0;
2096
2097 scsi_host_unblock(shost, SDEV_RUNNING);
2098 aac_scan_host(aac);
2099 pci_save_state(pdev);
2100
2101 dev_err(&pdev->dev, "aacraid: PCI error - resume\n");
2102}
2103
2104static struct pci_error_handlers aac_pci_err_handler = {
2105 .error_detected = aac_pci_error_detected,
2106 .mmio_enabled = aac_pci_mmio_enabled,
2107 .slot_reset = aac_pci_slot_reset,
2108 .resume = aac_pci_resume,
2109};
2110
2111static struct pci_driver aac_pci_driver = {
2112 .name = AAC_DRIVERNAME,
2113 .id_table = aac_pci_tbl,
2114 .probe = aac_probe_one,
2115 .remove = aac_remove_one,
2116#if (defined(CONFIG_PM))
2117 .suspend = aac_suspend,
2118 .resume = aac_resume,
2119#endif
2120 .shutdown = aac_shutdown,
2121 .err_handler = &aac_pci_err_handler,
2122};
2123
2124static int __init aac_init(void)
2125{
2126 int error;
2127
2128 printk(KERN_INFO "Adaptec %s driver %s\n",
2129 AAC_DRIVERNAME, aac_driver_version);
2130
2131 error = pci_register_driver(&aac_pci_driver);
2132 if (error < 0)
2133 return error;
2134
2135 aac_init_char();
2136
2137
2138 return 0;
2139}
2140
2141static void __exit aac_exit(void)
2142{
2143 if (aac_cfg_major > -1)
2144 unregister_chrdev(aac_cfg_major, "aac");
2145 pci_unregister_driver(&aac_pci_driver);
2146}
2147
2148module_init(aac_init);
2149module_exit(aac_exit);
2150