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33#include <linux/compat.h>
34#include <linux/blkdev.h>
35#include <linux/completion.h>
36#include <linux/init.h>
37#include <linux/interrupt.h>
38#include <linux/kernel.h>
39#include <linux/module.h>
40#include <linux/moduleparam.h>
41#include <linux/pci.h>
42#include <linux/aer.h>
43#include <linux/pci-aspm.h>
44#include <linux/slab.h>
45#include <linux/mutex.h>
46#include <linux/spinlock.h>
47#include <linux/syscalls.h>
48#include <linux/delay.h>
49#include <linux/kthread.h>
50
51#include <scsi/scsi.h>
52#include <scsi/scsi_cmnd.h>
53#include <scsi/scsi_device.h>
54#include <scsi/scsi_host.h>
55#include <scsi/scsi_tcq.h>
56#include <scsi/scsicam.h>
57#include <scsi/scsi_eh.h>
58
59#include "aacraid.h"
60
61#define AAC_DRIVER_VERSION "1.2.1"
62#ifndef AAC_DRIVER_BRANCH
63#define AAC_DRIVER_BRANCH ""
64#endif
65#define AAC_DRIVERNAME "aacraid"
66
67#ifdef AAC_DRIVER_BUILD
68#define _str(x) #x
69#define str(x) _str(x)
70#define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH
71#else
72#define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH
73#endif
74
75MODULE_AUTHOR("Red Hat Inc and Adaptec");
76MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
77 "Adaptec Advanced Raid Products, "
78 "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver");
79MODULE_LICENSE("GPL");
80MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
81
82static DEFINE_MUTEX(aac_mutex);
83static LIST_HEAD(aac_devices);
84static int aac_cfg_major = AAC_CHARDEV_UNREGISTERED;
85char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
86
87
88
89
90
91
92
93static const struct pci_device_id aac_pci_tbl[] = {
94 { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 },
95 { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 },
96 { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 },
97 { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 },
98 { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 },
99 { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 },
100 { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 },
101 { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 },
102 { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 },
103 { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 },
104 { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 },
105 { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 },
106 { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 },
107 { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 },
108 { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 },
109 { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 },
110
111 { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 },
112 { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 },
113 { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 },
114 { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 },
115 { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 },
116 { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 },
117 { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 },
118 { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 },
119 { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 },
120 { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 },
121 { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 },
122 { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 },
123 { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 },
124 { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 },
125 { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 },
126 { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 },
127 { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 },
128 { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 },
129 { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 },
130 { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 },
131 { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 },
132 { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 },
133 { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 },
134 { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 },
135 { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 },
136 { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 },
137 { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 },
138 { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 },
139 { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 },
140 { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 },
141 { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 },
142 { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 },
143 { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 },
144 { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 },
145 { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 },
146 { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 },
147 { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 },
148 { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 },
149
150 { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 },
151 { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 },
152 { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 },
153 { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 },
154 { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 },
155
156 { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 },
157 { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 },
158 { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 },
159 { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 },
160 { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 },
161 { 0x9005, 0x028b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 62 },
162 { 0x9005, 0x028c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 63 },
163 { 0x9005, 0x028d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 64 },
164 { 0,}
165};
166MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
167
168
169
170
171
172
173static struct aac_driver_ident aac_drivers[] = {
174 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 },
175 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 },
176 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 },
177 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 },
178 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 },
179 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 },
180 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 },
181 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 },
182 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 },
183 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 },
184 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 },
185 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG },
186 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG },
187 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 },
188 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 },
189 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 },
190
191 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 },
192 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 },
193 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 },
194 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 },
195 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 },
196 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 },
197 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 },
198 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 },
199 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 },
200 { aac_rkt_init, "aacraid", "ICP ", "ICP9024RO ", 2 },
201 { aac_rkt_init, "aacraid", "ICP ", "ICP9014RO ", 1 },
202 { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 },
203 { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 },
204 { aac_rkt_init, "aacraid", "ICP ", "ICP5445AU ", 1 },
205 { aac_rx_init, "aacraid", "ICP ", "ICP9085LI ", 1 },
206 { aac_rx_init, "aacraid", "ICP ", "ICP5085BR ", 1 },
207 { aac_rkt_init, "aacraid", "ICP ", "ICP9067MA ", 1 },
208 { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE },
209 { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER },
210 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 },
211 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 },
212 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG },
213 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1, AAC_QUIRK_17SG },
214 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG },
215 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG },
216 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 },
217 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 },
218 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 },
219 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005 ", 1 },
220 { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 },
221 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l8 ", 1 },
222 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l4 ", 1 },
223 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000 ", 1 },
224 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 },
225 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 },
226 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-3800 ", 1 },
227
228 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG },
229 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG },
230 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG },
231 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_34SG },
232 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG },
233
234 { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 },
235 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 },
236 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2 },
237 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 },
238 { aac_nark_init, "aacraid", "ADAPTEC ", "RAID ", 2 },
239 { aac_src_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC },
240 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC },
241 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC },
242};
243
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252
253
254static int aac_queuecommand(struct Scsi_Host *shost,
255 struct scsi_cmnd *cmd)
256{
257 int r = 0;
258 cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
259 r = (aac_scsi_cmd(cmd) ? FAILED : 0);
260 return r;
261}
262
263
264
265
266
267
268
269
270static const char *aac_info(struct Scsi_Host *shost)
271{
272 struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
273 return aac_drivers[dev->cardtype].name;
274}
275
276
277
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279
280
281
282
283struct aac_driver_ident* aac_get_driver_ident(int devtype)
284{
285 return &aac_drivers[devtype];
286}
287
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309
310static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
311 sector_t capacity, int *geom)
312{
313 struct diskparm *param = (struct diskparm *)geom;
314 unsigned char *buf;
315
316 dprintk((KERN_DEBUG "aac_biosparm.\n"));
317
318
319
320
321 if (capacity >= 2 * 1024 * 1024) {
322 if(capacity >= 4 * 1024 * 1024) {
323 param->heads = 255;
324 param->sectors = 63;
325 } else {
326 param->heads = 128;
327 param->sectors = 32;
328 }
329 } else {
330 param->heads = 64;
331 param->sectors = 32;
332 }
333
334 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
335
336
337
338
339
340
341
342 buf = scsi_bios_ptable(bdev);
343 if (!buf)
344 return 0;
345 if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
346 struct partition *first = (struct partition * )buf;
347 struct partition *entry = first;
348 int saved_cylinders = param->cylinders;
349 int num;
350 unsigned char end_head, end_sec;
351
352 for(num = 0; num < 4; num++) {
353 end_head = entry->end_head;
354 end_sec = entry->end_sector & 0x3f;
355
356 if(end_head == 63) {
357 param->heads = 64;
358 param->sectors = 32;
359 break;
360 } else if(end_head == 127) {
361 param->heads = 128;
362 param->sectors = 32;
363 break;
364 } else if(end_head == 254) {
365 param->heads = 255;
366 param->sectors = 63;
367 break;
368 }
369 entry++;
370 }
371
372 if (num == 4) {
373 end_head = first->end_head;
374 end_sec = first->end_sector & 0x3f;
375 }
376
377 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
378 if (num < 4 && end_sec == param->sectors) {
379 if (param->cylinders != saved_cylinders)
380 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
381 param->heads, param->sectors, num));
382 } else if (end_head > 0 || end_sec > 0) {
383 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
384 end_head + 1, end_sec, num));
385 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
386 param->heads, param->sectors));
387 }
388 }
389 kfree(buf);
390 return 0;
391}
392
393
394
395
396
397
398
399
400
401
402static int aac_slave_configure(struct scsi_device *sdev)
403{
404 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
405 int chn, tid;
406 unsigned int depth = 0;
407 unsigned int set_timeout = 0;
408
409 chn = aac_logical_to_phys(sdev_channel(sdev));
410 tid = sdev_id(sdev);
411 if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS &&
412 aac->hba_map[chn][tid].devtype == AAC_DEVTYPE_NATIVE_RAW) {
413 depth = aac->hba_map[chn][tid].qd_limit;
414 set_timeout = 1;
415 goto common_config;
416 }
417
418
419 if (aac->jbod && (sdev->type == TYPE_DISK))
420 sdev->removable = 1;
421
422 if (sdev->type == TYPE_DISK
423 && sdev_channel(sdev) != CONTAINER_CHANNEL
424 && (!aac->jbod || sdev->inq_periph_qual)
425 && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
426
427 if (expose_physicals == 0)
428 return -ENXIO;
429
430 if (expose_physicals < 0)
431 sdev->no_uld_attach = 1;
432 }
433
434 if (sdev->tagged_supported
435 && sdev->type == TYPE_DISK
436 && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
437 && !sdev->no_uld_attach) {
438
439 struct scsi_device * dev;
440 struct Scsi_Host *host = sdev->host;
441 unsigned num_lsu = 0;
442 unsigned num_one = 0;
443 unsigned cid;
444
445 set_timeout = 1;
446
447 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
448 if (aac->fsa_dev[cid].valid)
449 ++num_lsu;
450
451 __shost_for_each_device(dev, host) {
452 if (dev->tagged_supported
453 && dev->type == TYPE_DISK
454 && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
455 && !dev->no_uld_attach) {
456 if ((sdev_channel(dev) != CONTAINER_CHANNEL)
457 || !aac->fsa_dev[sdev_id(dev)].valid) {
458 ++num_lsu;
459 }
460 } else {
461 ++num_one;
462 }
463 }
464
465 if (num_lsu == 0)
466 ++num_lsu;
467
468 depth = (host->can_queue - num_one) / num_lsu;
469 }
470
471common_config:
472
473
474
475
476 if (set_timeout && sdev->request_queue->rq_timeout < (45 * HZ))
477 blk_queue_rq_timeout(sdev->request_queue, 45*HZ);
478
479 if (depth > 256)
480 depth = 256;
481 else if (depth < 1)
482 depth = 1;
483
484 scsi_change_queue_depth(sdev, depth);
485
486 sdev->tagged_supported = 1;
487
488 return 0;
489}
490
491
492
493
494
495
496
497
498
499
500static int aac_change_queue_depth(struct scsi_device *sdev, int depth)
501{
502 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
503 int chn, tid, is_native_device = 0;
504
505 chn = aac_logical_to_phys(sdev_channel(sdev));
506 tid = sdev_id(sdev);
507 if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS &&
508 aac->hba_map[chn][tid].devtype == AAC_DEVTYPE_NATIVE_RAW)
509 is_native_device = 1;
510
511 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
512 (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
513 struct scsi_device * dev;
514 struct Scsi_Host *host = sdev->host;
515 unsigned num = 0;
516
517 __shost_for_each_device(dev, host) {
518 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
519 (sdev_channel(dev) == CONTAINER_CHANNEL))
520 ++num;
521 ++num;
522 }
523 if (num >= host->can_queue)
524 num = host->can_queue - 1;
525 if (depth > (host->can_queue - num))
526 depth = host->can_queue - num;
527 if (depth > 256)
528 depth = 256;
529 else if (depth < 2)
530 depth = 2;
531 return scsi_change_queue_depth(sdev, depth);
532 } else if (is_native_device) {
533 scsi_change_queue_depth(sdev, aac->hba_map[chn][tid].qd_limit);
534 } else {
535 scsi_change_queue_depth(sdev, 1);
536 }
537 return sdev->queue_depth;
538}
539
540static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
541{
542 struct scsi_device *sdev = to_scsi_device(dev);
543 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
544 if (sdev_channel(sdev) != CONTAINER_CHANNEL)
545 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
546 ? "Hidden\n" :
547 ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
548 return snprintf(buf, PAGE_SIZE, "%s\n",
549 get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
550}
551
552static struct device_attribute aac_raid_level_attr = {
553 .attr = {
554 .name = "level",
555 .mode = S_IRUGO,
556 },
557 .show = aac_show_raid_level
558};
559
560static ssize_t aac_show_unique_id(struct device *dev,
561 struct device_attribute *attr, char *buf)
562{
563 struct scsi_device *sdev = to_scsi_device(dev);
564 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
565 unsigned char sn[16];
566
567 memset(sn, 0, sizeof(sn));
568
569 if (sdev_channel(sdev) == CONTAINER_CHANNEL)
570 memcpy(sn, aac->fsa_dev[sdev_id(sdev)].identifier, sizeof(sn));
571
572 return snprintf(buf, 16 * 2 + 2,
573 "%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X\n",
574 sn[0], sn[1], sn[2], sn[3],
575 sn[4], sn[5], sn[6], sn[7],
576 sn[8], sn[9], sn[10], sn[11],
577 sn[12], sn[13], sn[14], sn[15]);
578}
579
580static struct device_attribute aac_unique_id_attr = {
581 .attr = {
582 .name = "unique_id",
583 .mode = 0444,
584 },
585 .show = aac_show_unique_id
586};
587
588
589
590static struct device_attribute *aac_dev_attrs[] = {
591 &aac_raid_level_attr,
592 &aac_unique_id_attr,
593 NULL,
594};
595
596static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
597{
598 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
599 if (!capable(CAP_SYS_RAWIO))
600 return -EPERM;
601 return aac_do_ioctl(dev, cmd, arg);
602}
603
604static int aac_eh_abort(struct scsi_cmnd* cmd)
605{
606 struct scsi_device * dev = cmd->device;
607 struct Scsi_Host * host = dev->host;
608 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
609 int count, found;
610 u32 bus, cid;
611 int ret = FAILED;
612
613 bus = aac_logical_to_phys(scmd_channel(cmd));
614 cid = scmd_id(cmd);
615 if (aac->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) {
616 struct fib *fib;
617 struct aac_hba_tm_req *tmf;
618 int status;
619 u64 address;
620 __le32 managed_request_id;
621
622 pr_err("%s: Host adapter abort request (%d,%d,%d,%d)\n",
623 AAC_DRIVERNAME,
624 host->host_no, sdev_channel(dev), sdev_id(dev), (int)dev->lun);
625
626 found = 0;
627 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
628 fib = &aac->fibs[count];
629 if (*(u8 *)fib->hw_fib_va != 0 &&
630 (fib->flags & FIB_CONTEXT_FLAG_NATIVE_HBA) &&
631 (fib->callback_data == cmd)) {
632 found = 1;
633 managed_request_id = ((struct aac_hba_cmd_req *)
634 fib->hw_fib_va)->request_id;
635 break;
636 }
637 }
638 if (!found)
639 return ret;
640
641
642 fib = aac_fib_alloc(aac);
643 if (!fib)
644 return ret;
645
646 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
647 memset(tmf, 0, sizeof(*tmf));
648 tmf->tmf = HBA_TMF_ABORT_TASK;
649 tmf->it_nexus = aac->hba_map[bus][cid].rmw_nexus;
650 tmf->lun[1] = cmd->device->lun;
651
652 address = (u64)fib->hw_error_pa;
653 tmf->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
654 tmf->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
655 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
656
657 fib->hbacmd_size = sizeof(*tmf);
658 cmd->SCp.sent_command = 0;
659
660 status = aac_hba_send(HBA_IU_TYPE_SCSI_TM_REQ, fib,
661 (fib_callback) aac_hba_callback,
662 (void *) cmd);
663
664
665 for (count = 0; count < 120; ++count) {
666 if (cmd->SCp.sent_command) {
667 ret = SUCCESS;
668 break;
669 }
670 msleep(1000);
671 }
672
673 if (ret != SUCCESS)
674 pr_err("%s: Host adapter abort request timed out\n",
675 AAC_DRIVERNAME);
676 } else {
677 pr_err(
678 "%s: Host adapter abort request.\n"
679 "%s: Outstanding commands on (%d,%d,%d,%d):\n",
680 AAC_DRIVERNAME, AAC_DRIVERNAME,
681 host->host_no, sdev_channel(dev), sdev_id(dev),
682 (int)dev->lun);
683 switch (cmd->cmnd[0]) {
684 case SERVICE_ACTION_IN_16:
685 if (!(aac->raw_io_interface) ||
686 !(aac->raw_io_64) ||
687 ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
688 break;
689 case INQUIRY:
690 case READ_CAPACITY:
691
692
693
694
695 for (count = 0;
696 count < (host->can_queue + AAC_NUM_MGT_FIB);
697 ++count) {
698 struct fib *fib = &aac->fibs[count];
699
700 if (fib->hw_fib_va->header.XferState &&
701 (fib->flags & FIB_CONTEXT_FLAG) &&
702 (fib->callback_data == cmd)) {
703 fib->flags |=
704 FIB_CONTEXT_FLAG_TIMED_OUT;
705 cmd->SCp.phase =
706 AAC_OWNER_ERROR_HANDLER;
707 ret = SUCCESS;
708 }
709 }
710 break;
711 case TEST_UNIT_READY:
712
713
714
715
716 for (count = 0;
717 count < (host->can_queue + AAC_NUM_MGT_FIB);
718 ++count) {
719 struct scsi_cmnd *command;
720 struct fib *fib = &aac->fibs[count];
721
722 command = fib->callback_data;
723
724 if ((fib->hw_fib_va->header.XferState &
725 cpu_to_le32
726 (Async | NoResponseExpected)) &&
727 (fib->flags & FIB_CONTEXT_FLAG) &&
728 ((command)) &&
729 (command->device == cmd->device)) {
730 fib->flags |=
731 FIB_CONTEXT_FLAG_TIMED_OUT;
732 command->SCp.phase =
733 AAC_OWNER_ERROR_HANDLER;
734 if (command == cmd)
735 ret = SUCCESS;
736 }
737 }
738 break;
739 }
740 }
741 return ret;
742}
743
744
745
746
747
748
749static int aac_eh_reset(struct scsi_cmnd* cmd)
750{
751 struct scsi_device * dev = cmd->device;
752 struct Scsi_Host * host = dev->host;
753 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
754 int count;
755 u32 bus, cid;
756 int ret = FAILED;
757
758 bus = aac_logical_to_phys(scmd_channel(cmd));
759 cid = scmd_id(cmd);
760 if (bus < AAC_MAX_BUSES && cid < AAC_MAX_TARGETS &&
761 aac->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) {
762 struct fib *fib;
763 int status;
764 u64 address;
765 u8 command;
766
767 pr_err("%s: Host adapter reset request. SCSI hang ?\n",
768 AAC_DRIVERNAME);
769
770 fib = aac_fib_alloc(aac);
771 if (!fib)
772 return ret;
773
774
775 if (aac->hba_map[bus][cid].reset_state == 0) {
776 struct aac_hba_tm_req *tmf;
777
778
779 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
780 memset(tmf, 0, sizeof(*tmf));
781 tmf->tmf = HBA_TMF_LUN_RESET;
782 tmf->it_nexus = aac->hba_map[bus][cid].rmw_nexus;
783 tmf->lun[1] = cmd->device->lun;
784
785 address = (u64)fib->hw_error_pa;
786 tmf->error_ptr_hi = cpu_to_le32
787 ((u32)(address >> 32));
788 tmf->error_ptr_lo = cpu_to_le32
789 ((u32)(address & 0xffffffff));
790 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
791 fib->hbacmd_size = sizeof(*tmf);
792
793 command = HBA_IU_TYPE_SCSI_TM_REQ;
794 aac->hba_map[bus][cid].reset_state++;
795 } else if (aac->hba_map[bus][cid].reset_state >= 1) {
796 struct aac_hba_reset_req *rst;
797
798
799 rst = (struct aac_hba_reset_req *)fib->hw_fib_va;
800 memset(rst, 0, sizeof(*rst));
801
802 rst->it_nexus = aac->hba_map[bus][cid].rmw_nexus;
803
804 address = (u64)fib->hw_error_pa;
805 rst->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
806 rst->error_ptr_lo = cpu_to_le32
807 ((u32)(address & 0xffffffff));
808 rst->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
809 fib->hbacmd_size = sizeof(*rst);
810
811 command = HBA_IU_TYPE_SATA_REQ;
812 aac->hba_map[bus][cid].reset_state = 0;
813 }
814 cmd->SCp.sent_command = 0;
815
816 status = aac_hba_send(command, fib,
817 (fib_callback) aac_hba_callback,
818 (void *) cmd);
819
820
821 for (count = 0; count < 120; ++count) {
822 if (cmd->SCp.sent_command) {
823 ret = SUCCESS;
824 break;
825 }
826 msleep(1000);
827 }
828
829 if (ret != SUCCESS)
830 pr_err("%s: Host adapter reset request timed out\n",
831 AAC_DRIVERNAME);
832 } else {
833 struct scsi_cmnd *command;
834 unsigned long flags;
835
836
837 for (count = 0;
838 count < (host->can_queue + AAC_NUM_MGT_FIB);
839 ++count) {
840 struct fib *fib = &aac->fibs[count];
841
842 if (fib->hw_fib_va->header.XferState &&
843 (fib->flags & FIB_CONTEXT_FLAG) &&
844 (fib->callback_data == cmd)) {
845 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
846 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
847 }
848 }
849
850 pr_err("%s: Host adapter reset request. SCSI hang ?\n",
851 AAC_DRIVERNAME);
852
853 count = aac_check_health(aac);
854 if (count)
855 return count;
856
857
858
859
860 for (count = 60; count; --count) {
861 int active = aac->in_reset;
862
863 if (active == 0)
864 __shost_for_each_device(dev, host) {
865 spin_lock_irqsave(&dev->list_lock, flags);
866 list_for_each_entry(command, &dev->cmd_list,
867 list) {
868 if ((command != cmd) &&
869 (command->SCp.phase ==
870 AAC_OWNER_FIRMWARE)) {
871 active++;
872 break;
873 }
874 }
875 spin_unlock_irqrestore(&dev->list_lock, flags);
876 if (active)
877 break;
878
879 }
880
881
882
883 if (active == 0)
884 return SUCCESS;
885 ssleep(1);
886 }
887 pr_err("%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
888
889
890
891
892
893
894 if (((aac->supplement_adapter_info.supported_options2 &
895 AAC_OPTION_MU_RESET) ||
896 (aac->supplement_adapter_info.supported_options2 &
897 AAC_OPTION_DOORBELL_RESET)) &&
898 aac_check_reset &&
899 ((aac_check_reset != 1) ||
900 !(aac->supplement_adapter_info.supported_options2 &
901 AAC_OPTION_IGNORE_RESET))) {
902
903 aac_reset_adapter(aac, 2, IOP_HWSOFT_RESET);
904 }
905 ret = SUCCESS;
906 }
907
908
909
910
911 return ret;
912}
913
914
915
916
917
918
919
920
921
922
923
924
925
926static int aac_cfg_open(struct inode *inode, struct file *file)
927{
928 struct aac_dev *aac;
929 unsigned minor_number = iminor(inode);
930 int err = -ENODEV;
931
932 mutex_lock(&aac_mutex);
933 list_for_each_entry(aac, &aac_devices, entry) {
934 if (aac->id == minor_number) {
935 file->private_data = aac;
936 err = 0;
937 break;
938 }
939 }
940 mutex_unlock(&aac_mutex);
941
942 return err;
943}
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959static long aac_cfg_ioctl(struct file *file,
960 unsigned int cmd, unsigned long arg)
961{
962 struct aac_dev *aac = (struct aac_dev *)file->private_data;
963
964 if (!capable(CAP_SYS_RAWIO))
965 return -EPERM;
966
967 return aac_do_ioctl(aac, cmd, (void __user *)arg);
968}
969
970#ifdef CONFIG_COMPAT
971static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
972{
973 long ret;
974 switch (cmd) {
975 case FSACTL_MINIPORT_REV_CHECK:
976 case FSACTL_SENDFIB:
977 case FSACTL_OPEN_GET_ADAPTER_FIB:
978 case FSACTL_CLOSE_GET_ADAPTER_FIB:
979 case FSACTL_SEND_RAW_SRB:
980 case FSACTL_GET_PCI_INFO:
981 case FSACTL_QUERY_DISK:
982 case FSACTL_DELETE_DISK:
983 case FSACTL_FORCE_DELETE_DISK:
984 case FSACTL_GET_CONTAINERS:
985 case FSACTL_SEND_LARGE_FIB:
986 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
987 break;
988
989 case FSACTL_GET_NEXT_ADAPTER_FIB: {
990 struct fib_ioctl __user *f;
991
992 f = compat_alloc_user_space(sizeof(*f));
993 ret = 0;
994 if (clear_user(f, sizeof(*f)))
995 ret = -EFAULT;
996 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
997 ret = -EFAULT;
998 if (!ret)
999 ret = aac_do_ioctl(dev, cmd, f);
1000 break;
1001 }
1002
1003 default:
1004 ret = -ENOIOCTLCMD;
1005 break;
1006 }
1007 return ret;
1008}
1009
1010static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
1011{
1012 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
1013 if (!capable(CAP_SYS_RAWIO))
1014 return -EPERM;
1015 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
1016}
1017
1018static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
1019{
1020 if (!capable(CAP_SYS_RAWIO))
1021 return -EPERM;
1022 return aac_compat_do_ioctl(file->private_data, cmd, arg);
1023}
1024#endif
1025
1026static ssize_t aac_show_model(struct device *device,
1027 struct device_attribute *attr, char *buf)
1028{
1029 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1030 int len;
1031
1032 if (dev->supplement_adapter_info.adapter_type_text[0]) {
1033 char *cp = dev->supplement_adapter_info.adapter_type_text;
1034 while (*cp && *cp != ' ')
1035 ++cp;
1036 while (*cp == ' ')
1037 ++cp;
1038 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
1039 } else
1040 len = snprintf(buf, PAGE_SIZE, "%s\n",
1041 aac_drivers[dev->cardtype].model);
1042 return len;
1043}
1044
1045static ssize_t aac_show_vendor(struct device *device,
1046 struct device_attribute *attr, char *buf)
1047{
1048 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1049 struct aac_supplement_adapter_info *sup_adap_info;
1050 int len;
1051
1052 sup_adap_info = &dev->supplement_adapter_info;
1053 if (sup_adap_info->adapter_type_text[0]) {
1054 char *cp = sup_adap_info->adapter_type_text;
1055 while (*cp && *cp != ' ')
1056 ++cp;
1057 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
1058 (int)(cp - (char *)sup_adap_info->adapter_type_text),
1059 sup_adap_info->adapter_type_text);
1060 } else
1061 len = snprintf(buf, PAGE_SIZE, "%s\n",
1062 aac_drivers[dev->cardtype].vname);
1063 return len;
1064}
1065
1066static ssize_t aac_show_flags(struct device *cdev,
1067 struct device_attribute *attr, char *buf)
1068{
1069 int len = 0;
1070 struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
1071
1072 if (nblank(dprintk(x)))
1073 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
1074#ifdef AAC_DETAILED_STATUS_INFO
1075 len += snprintf(buf + len, PAGE_SIZE - len,
1076 "AAC_DETAILED_STATUS_INFO\n");
1077#endif
1078 if (dev->raw_io_interface && dev->raw_io_64)
1079 len += snprintf(buf + len, PAGE_SIZE - len,
1080 "SAI_READ_CAPACITY_16\n");
1081 if (dev->jbod)
1082 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n");
1083 if (dev->supplement_adapter_info.supported_options2 &
1084 AAC_OPTION_POWER_MANAGEMENT)
1085 len += snprintf(buf + len, PAGE_SIZE - len,
1086 "SUPPORTED_POWER_MANAGEMENT\n");
1087 if (dev->msi)
1088 len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
1089 return len;
1090}
1091
1092static ssize_t aac_show_kernel_version(struct device *device,
1093 struct device_attribute *attr,
1094 char *buf)
1095{
1096 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1097 int len, tmp;
1098
1099 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
1100 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1101 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1102 le32_to_cpu(dev->adapter_info.kernelbuild));
1103 return len;
1104}
1105
1106static ssize_t aac_show_monitor_version(struct device *device,
1107 struct device_attribute *attr,
1108 char *buf)
1109{
1110 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1111 int len, tmp;
1112
1113 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
1114 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1115 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1116 le32_to_cpu(dev->adapter_info.monitorbuild));
1117 return len;
1118}
1119
1120static ssize_t aac_show_bios_version(struct device *device,
1121 struct device_attribute *attr,
1122 char *buf)
1123{
1124 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1125 int len, tmp;
1126
1127 tmp = le32_to_cpu(dev->adapter_info.biosrev);
1128 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1129 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1130 le32_to_cpu(dev->adapter_info.biosbuild));
1131 return len;
1132}
1133
1134static ssize_t aac_show_driver_version(struct device *device,
1135 struct device_attribute *attr,
1136 char *buf)
1137{
1138 return snprintf(buf, PAGE_SIZE, "%s\n", aac_driver_version);
1139}
1140
1141static ssize_t aac_show_serial_number(struct device *device,
1142 struct device_attribute *attr, char *buf)
1143{
1144 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1145 int len = 0;
1146
1147 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
1148 len = snprintf(buf, 16, "%06X\n",
1149 le32_to_cpu(dev->adapter_info.serial[0]));
1150 if (len &&
1151 !memcmp(&dev->supplement_adapter_info.mfg_pcba_serial_no[
1152 sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no)-len],
1153 buf, len-1))
1154 len = snprintf(buf, 16, "%.*s\n",
1155 (int)sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no),
1156 dev->supplement_adapter_info.mfg_pcba_serial_no);
1157
1158 return min(len, 16);
1159}
1160
1161static ssize_t aac_show_max_channel(struct device *device,
1162 struct device_attribute *attr, char *buf)
1163{
1164 return snprintf(buf, PAGE_SIZE, "%d\n",
1165 class_to_shost(device)->max_channel);
1166}
1167
1168static ssize_t aac_show_max_id(struct device *device,
1169 struct device_attribute *attr, char *buf)
1170{
1171 return snprintf(buf, PAGE_SIZE, "%d\n",
1172 class_to_shost(device)->max_id);
1173}
1174
1175static ssize_t aac_store_reset_adapter(struct device *device,
1176 struct device_attribute *attr,
1177 const char *buf, size_t count)
1178{
1179 int retval = -EACCES;
1180 int bled = 0;
1181 struct aac_dev *aac;
1182
1183
1184 if (!capable(CAP_SYS_ADMIN))
1185 return retval;
1186
1187 aac = (struct aac_dev *)class_to_shost(device)->hostdata;
1188 bled = buf[0] == '!' ? 1:0;
1189 retval = aac_reset_adapter(aac, bled, IOP_HWSOFT_RESET);
1190 if (retval >= 0)
1191 retval = count;
1192 return retval;
1193}
1194
1195static ssize_t aac_show_reset_adapter(struct device *device,
1196 struct device_attribute *attr,
1197 char *buf)
1198{
1199 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1200 int len, tmp;
1201
1202 tmp = aac_adapter_check_health(dev);
1203 if ((tmp == 0) && dev->in_reset)
1204 tmp = -EBUSY;
1205 len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
1206 return len;
1207}
1208
1209static struct device_attribute aac_model = {
1210 .attr = {
1211 .name = "model",
1212 .mode = S_IRUGO,
1213 },
1214 .show = aac_show_model,
1215};
1216static struct device_attribute aac_vendor = {
1217 .attr = {
1218 .name = "vendor",
1219 .mode = S_IRUGO,
1220 },
1221 .show = aac_show_vendor,
1222};
1223static struct device_attribute aac_flags = {
1224 .attr = {
1225 .name = "flags",
1226 .mode = S_IRUGO,
1227 },
1228 .show = aac_show_flags,
1229};
1230static struct device_attribute aac_kernel_version = {
1231 .attr = {
1232 .name = "hba_kernel_version",
1233 .mode = S_IRUGO,
1234 },
1235 .show = aac_show_kernel_version,
1236};
1237static struct device_attribute aac_monitor_version = {
1238 .attr = {
1239 .name = "hba_monitor_version",
1240 .mode = S_IRUGO,
1241 },
1242 .show = aac_show_monitor_version,
1243};
1244static struct device_attribute aac_bios_version = {
1245 .attr = {
1246 .name = "hba_bios_version",
1247 .mode = S_IRUGO,
1248 },
1249 .show = aac_show_bios_version,
1250};
1251static struct device_attribute aac_lld_version = {
1252 .attr = {
1253 .name = "driver_version",
1254 .mode = 0444,
1255 },
1256 .show = aac_show_driver_version,
1257};
1258static struct device_attribute aac_serial_number = {
1259 .attr = {
1260 .name = "serial_number",
1261 .mode = S_IRUGO,
1262 },
1263 .show = aac_show_serial_number,
1264};
1265static struct device_attribute aac_max_channel = {
1266 .attr = {
1267 .name = "max_channel",
1268 .mode = S_IRUGO,
1269 },
1270 .show = aac_show_max_channel,
1271};
1272static struct device_attribute aac_max_id = {
1273 .attr = {
1274 .name = "max_id",
1275 .mode = S_IRUGO,
1276 },
1277 .show = aac_show_max_id,
1278};
1279static struct device_attribute aac_reset = {
1280 .attr = {
1281 .name = "reset_host",
1282 .mode = S_IWUSR|S_IRUGO,
1283 },
1284 .store = aac_store_reset_adapter,
1285 .show = aac_show_reset_adapter,
1286};
1287
1288static struct device_attribute *aac_attrs[] = {
1289 &aac_model,
1290 &aac_vendor,
1291 &aac_flags,
1292 &aac_kernel_version,
1293 &aac_monitor_version,
1294 &aac_bios_version,
1295 &aac_lld_version,
1296 &aac_serial_number,
1297 &aac_max_channel,
1298 &aac_max_id,
1299 &aac_reset,
1300 NULL
1301};
1302
1303ssize_t aac_get_serial_number(struct device *device, char *buf)
1304{
1305 return aac_show_serial_number(device, &aac_serial_number, buf);
1306}
1307
1308static const struct file_operations aac_cfg_fops = {
1309 .owner = THIS_MODULE,
1310 .unlocked_ioctl = aac_cfg_ioctl,
1311#ifdef CONFIG_COMPAT
1312 .compat_ioctl = aac_compat_cfg_ioctl,
1313#endif
1314 .open = aac_cfg_open,
1315 .llseek = noop_llseek,
1316};
1317
1318static struct scsi_host_template aac_driver_template = {
1319 .module = THIS_MODULE,
1320 .name = "AAC",
1321 .proc_name = AAC_DRIVERNAME,
1322 .info = aac_info,
1323 .ioctl = aac_ioctl,
1324#ifdef CONFIG_COMPAT
1325 .compat_ioctl = aac_compat_ioctl,
1326#endif
1327 .queuecommand = aac_queuecommand,
1328 .bios_param = aac_biosparm,
1329 .shost_attrs = aac_attrs,
1330 .slave_configure = aac_slave_configure,
1331 .change_queue_depth = aac_change_queue_depth,
1332 .sdev_attrs = aac_dev_attrs,
1333 .eh_abort_handler = aac_eh_abort,
1334 .eh_host_reset_handler = aac_eh_reset,
1335 .can_queue = AAC_NUM_IO_FIB,
1336 .this_id = MAXIMUM_NUM_CONTAINERS,
1337 .sg_tablesize = 16,
1338 .max_sectors = 128,
1339#if (AAC_NUM_IO_FIB > 256)
1340 .cmd_per_lun = 256,
1341#else
1342 .cmd_per_lun = AAC_NUM_IO_FIB,
1343#endif
1344 .use_clustering = ENABLE_CLUSTERING,
1345 .emulated = 1,
1346 .no_write_same = 1,
1347};
1348
1349static void __aac_shutdown(struct aac_dev * aac)
1350{
1351 int i;
1352
1353 aac->adapter_shutdown = 1;
1354 aac_send_shutdown(aac);
1355
1356 if (aac->aif_thread) {
1357 int i;
1358
1359 for (i = 0; i < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++) {
1360 struct fib *fib = &aac->fibs[i];
1361 if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) &&
1362 (fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected)))
1363 up(&fib->event_wait);
1364 }
1365 kthread_stop(aac->thread);
1366 }
1367 aac_adapter_disable_int(aac);
1368 if (aac->pdev->device == PMC_DEVICE_S6 ||
1369 aac->pdev->device == PMC_DEVICE_S7 ||
1370 aac->pdev->device == PMC_DEVICE_S8 ||
1371 aac->pdev->device == PMC_DEVICE_S9) {
1372 if (aac->max_msix > 1) {
1373 for (i = 0; i < aac->max_msix; i++) {
1374 free_irq(pci_irq_vector(aac->pdev, i),
1375 &(aac->aac_msix[i]));
1376 }
1377 } else {
1378 free_irq(aac->pdev->irq,
1379 &(aac->aac_msix[0]));
1380 }
1381 } else {
1382 free_irq(aac->pdev->irq, aac);
1383 }
1384 if (aac->msi)
1385 pci_disable_msi(aac->pdev);
1386 else if (aac->max_msix > 1)
1387 pci_disable_msix(aac->pdev);
1388}
1389static void aac_init_char(void)
1390{
1391 aac_cfg_major = register_chrdev(0, "aac", &aac_cfg_fops);
1392 if (aac_cfg_major < 0) {
1393 pr_err("aacraid: unable to register \"aac\" device.\n");
1394 }
1395}
1396
1397static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1398{
1399 unsigned index = id->driver_data;
1400 struct Scsi_Host *shost;
1401 struct aac_dev *aac;
1402 struct list_head *insert = &aac_devices;
1403 int error = -ENODEV;
1404 int unique_id = 0;
1405 u64 dmamask;
1406 extern int aac_sync_mode;
1407
1408
1409
1410
1411 if (pdev->device == PMC_DEVICE_S7)
1412 pdev->needs_freset = 1;
1413
1414 list_for_each_entry(aac, &aac_devices, entry) {
1415 if (aac->id > unique_id)
1416 break;
1417 insert = &aac->entry;
1418 unique_id++;
1419 }
1420
1421 pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
1422 PCIE_LINK_STATE_CLKPM);
1423
1424 error = pci_enable_device(pdev);
1425 if (error)
1426 goto out;
1427 error = -ENODEV;
1428
1429
1430
1431
1432
1433 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1434 dmamask = DMA_BIT_MASK(31);
1435 else
1436 dmamask = DMA_BIT_MASK(32);
1437
1438 if (pci_set_dma_mask(pdev, dmamask) ||
1439 pci_set_consistent_dma_mask(pdev, dmamask))
1440 goto out_disable_pdev;
1441
1442 pci_set_master(pdev);
1443
1444 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1445 if (!shost)
1446 goto out_disable_pdev;
1447
1448 shost->irq = pdev->irq;
1449 shost->unique_id = unique_id;
1450 shost->max_cmd_len = 16;
1451 shost->use_cmd_list = 1;
1452
1453 if (aac_cfg_major == AAC_CHARDEV_NEEDS_REINIT)
1454 aac_init_char();
1455
1456 aac = (struct aac_dev *)shost->hostdata;
1457 aac->base_start = pci_resource_start(pdev, 0);
1458 aac->scsi_host_ptr = shost;
1459 aac->pdev = pdev;
1460 aac->name = aac_driver_template.name;
1461 aac->id = shost->unique_id;
1462 aac->cardtype = index;
1463 INIT_LIST_HEAD(&aac->entry);
1464
1465 aac->fibs = kzalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
1466 if (!aac->fibs)
1467 goto out_free_host;
1468 spin_lock_init(&aac->fib_lock);
1469
1470 mutex_init(&aac->ioctl_mutex);
1471
1472
1473
1474 aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1475 if ((*aac_drivers[index].init)(aac))
1476 goto out_unmap;
1477
1478 if (aac->sync_mode) {
1479 if (aac_sync_mode)
1480 printk(KERN_INFO "%s%d: Sync. mode enforced "
1481 "by driver parameter. This will cause "
1482 "a significant performance decrease!\n",
1483 aac->name,
1484 aac->id);
1485 else
1486 printk(KERN_INFO "%s%d: Async. mode not supported "
1487 "by current driver, sync. mode enforced."
1488 "\nPlease update driver to get full performance.\n",
1489 aac->name,
1490 aac->id);
1491 }
1492
1493
1494
1495
1496 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1497 if (IS_ERR(aac->thread)) {
1498 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1499 error = PTR_ERR(aac->thread);
1500 aac->thread = NULL;
1501 goto out_deinit;
1502 }
1503
1504
1505
1506
1507
1508
1509 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1510 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)))
1511 goto out_deinit;
1512
1513 aac->maximum_num_channels = aac_drivers[index].channels;
1514 error = aac_get_adapter_info(aac);
1515 if (error < 0)
1516 goto out_deinit;
1517
1518
1519
1520
1521 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1522 (shost->sg_tablesize > 34)) {
1523 shost->sg_tablesize = 34;
1524 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1525 }
1526
1527 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1528 (shost->sg_tablesize > 17)) {
1529 shost->sg_tablesize = 17;
1530 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1531 }
1532
1533 error = pci_set_dma_max_seg_size(pdev,
1534 (aac->adapter_info.options & AAC_OPT_NEW_COMM) ?
1535 (shost->max_sectors << 9) : 65536);
1536 if (error)
1537 goto out_deinit;
1538
1539
1540
1541
1542 if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1543 aac->printf_enabled = 1;
1544 else
1545 aac->printf_enabled = 0;
1546
1547
1548
1549
1550
1551
1552 if (aac->nondasd_support || expose_physicals || aac->jbod)
1553 shost->max_channel = aac->maximum_num_channels;
1554 else
1555 shost->max_channel = 0;
1556
1557 aac_get_config_status(aac, 0);
1558 aac_get_containers(aac);
1559 list_add(&aac->entry, insert);
1560
1561 shost->max_id = aac->maximum_num_containers;
1562 if (shost->max_id < aac->maximum_num_physicals)
1563 shost->max_id = aac->maximum_num_physicals;
1564 if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1565 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1566 else
1567 shost->this_id = shost->max_id;
1568
1569 if (!aac->sa_firmware && aac_drivers[index].quirks & AAC_QUIRK_SRC)
1570 aac_intr_normal(aac, 0, 2, 0, NULL);
1571
1572
1573
1574
1575
1576 shost->max_lun = AAC_MAX_LUN;
1577
1578 pci_set_drvdata(pdev, shost);
1579
1580 error = scsi_add_host(shost, &pdev->dev);
1581 if (error)
1582 goto out_deinit;
1583 scsi_scan_host(shost);
1584
1585 pci_enable_pcie_error_reporting(pdev);
1586 pci_save_state(pdev);
1587
1588 return 0;
1589
1590 out_deinit:
1591 __aac_shutdown(aac);
1592 out_unmap:
1593 aac_fib_map_free(aac);
1594 if (aac->comm_addr)
1595 dma_free_coherent(&aac->pdev->dev, aac->comm_size,
1596 aac->comm_addr, aac->comm_phys);
1597 kfree(aac->queues);
1598 aac_adapter_ioremap(aac, 0);
1599 kfree(aac->fibs);
1600 kfree(aac->fsa_dev);
1601 out_free_host:
1602 scsi_host_put(shost);
1603 out_disable_pdev:
1604 pci_disable_device(pdev);
1605 out:
1606 return error;
1607}
1608
1609static void aac_release_resources(struct aac_dev *aac)
1610{
1611 aac_adapter_disable_int(aac);
1612 aac_free_irq(aac);
1613}
1614
1615static int aac_acquire_resources(struct aac_dev *dev)
1616{
1617 unsigned long status;
1618
1619
1620
1621
1622 while (!((status = src_readl(dev, MUnit.OMR)) & KERNEL_UP_AND_RUNNING)
1623 || status == 0xffffffff)
1624 msleep(20);
1625
1626 aac_adapter_disable_int(dev);
1627 aac_adapter_enable_int(dev);
1628
1629
1630 if ((dev->pdev->device == PMC_DEVICE_S7 ||
1631 dev->pdev->device == PMC_DEVICE_S8 ||
1632 dev->pdev->device == PMC_DEVICE_S9))
1633 aac_define_int_mode(dev);
1634
1635 if (dev->msi_enabled)
1636 aac_src_access_devreg(dev, AAC_ENABLE_MSIX);
1637
1638 if (aac_acquire_irq(dev))
1639 goto error_iounmap;
1640
1641 aac_adapter_enable_int(dev);
1642
1643
1644
1645
1646 aac_fib_vector_assign(dev);
1647
1648 if (!dev->sync_mode) {
1649
1650
1651
1652 dev->init->r7.no_of_msix_vectors = cpu_to_le32(dev->max_msix);
1653 aac_adapter_start(dev);
1654 }
1655 return 0;
1656
1657error_iounmap:
1658 return -1;
1659
1660}
1661
1662#if (defined(CONFIG_PM))
1663static int aac_suspend(struct pci_dev *pdev, pm_message_t state)
1664{
1665
1666 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1667 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1668
1669 scsi_block_requests(shost);
1670 aac_send_shutdown(aac);
1671
1672 aac_release_resources(aac);
1673
1674 pci_set_drvdata(pdev, shost);
1675 pci_save_state(pdev);
1676 pci_disable_device(pdev);
1677 pci_set_power_state(pdev, pci_choose_state(pdev, state));
1678
1679 return 0;
1680}
1681
1682static int aac_resume(struct pci_dev *pdev)
1683{
1684 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1685 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1686 int r;
1687
1688 pci_set_power_state(pdev, PCI_D0);
1689 pci_enable_wake(pdev, PCI_D0, 0);
1690 pci_restore_state(pdev);
1691 r = pci_enable_device(pdev);
1692
1693 if (r)
1694 goto fail_device;
1695
1696 pci_set_master(pdev);
1697 if (aac_acquire_resources(aac))
1698 goto fail_device;
1699
1700
1701
1702
1703 aac->adapter_shutdown = 0;
1704 scsi_unblock_requests(shost);
1705
1706 return 0;
1707
1708fail_device:
1709 printk(KERN_INFO "%s%d: resume failed.\n", aac->name, aac->id);
1710 scsi_host_put(shost);
1711 pci_disable_device(pdev);
1712 return -ENODEV;
1713}
1714#endif
1715
1716static void aac_shutdown(struct pci_dev *dev)
1717{
1718 struct Scsi_Host *shost = pci_get_drvdata(dev);
1719 scsi_block_requests(shost);
1720 __aac_shutdown((struct aac_dev *)shost->hostdata);
1721}
1722
1723static void aac_remove_one(struct pci_dev *pdev)
1724{
1725 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1726 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1727
1728 scsi_remove_host(shost);
1729
1730 __aac_shutdown(aac);
1731 aac_fib_map_free(aac);
1732 dma_free_coherent(&aac->pdev->dev, aac->comm_size, aac->comm_addr,
1733 aac->comm_phys);
1734 kfree(aac->queues);
1735
1736 aac_adapter_ioremap(aac, 0);
1737
1738 kfree(aac->fibs);
1739 kfree(aac->fsa_dev);
1740
1741 list_del(&aac->entry);
1742 scsi_host_put(shost);
1743 pci_disable_device(pdev);
1744 if (list_empty(&aac_devices)) {
1745 unregister_chrdev(aac_cfg_major, "aac");
1746 aac_cfg_major = AAC_CHARDEV_NEEDS_REINIT;
1747 }
1748}
1749
1750static void aac_flush_ios(struct aac_dev *aac)
1751{
1752 int i;
1753 struct scsi_cmnd *cmd;
1754
1755 for (i = 0; i < aac->scsi_host_ptr->can_queue; i++) {
1756 cmd = (struct scsi_cmnd *)aac->fibs[i].callback_data;
1757 if (cmd && (cmd->SCp.phase == AAC_OWNER_FIRMWARE)) {
1758 scsi_dma_unmap(cmd);
1759
1760 if (aac->handle_pci_error)
1761 cmd->result = DID_NO_CONNECT << 16;
1762 else
1763 cmd->result = DID_RESET << 16;
1764
1765 cmd->scsi_done(cmd);
1766 }
1767 }
1768}
1769
1770static pci_ers_result_t aac_pci_error_detected(struct pci_dev *pdev,
1771 enum pci_channel_state error)
1772{
1773 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1774 struct aac_dev *aac = shost_priv(shost);
1775
1776 dev_err(&pdev->dev, "aacraid: PCI error detected %x\n", error);
1777
1778 switch (error) {
1779 case pci_channel_io_normal:
1780 return PCI_ERS_RESULT_CAN_RECOVER;
1781 case pci_channel_io_frozen:
1782 aac->handle_pci_error = 1;
1783
1784 scsi_block_requests(aac->scsi_host_ptr);
1785 aac_flush_ios(aac);
1786 aac_release_resources(aac);
1787
1788 pci_disable_pcie_error_reporting(pdev);
1789 aac_adapter_ioremap(aac, 0);
1790
1791 return PCI_ERS_RESULT_NEED_RESET;
1792 case pci_channel_io_perm_failure:
1793 aac->handle_pci_error = 1;
1794
1795 aac_flush_ios(aac);
1796 return PCI_ERS_RESULT_DISCONNECT;
1797 }
1798
1799 return PCI_ERS_RESULT_NEED_RESET;
1800}
1801
1802static pci_ers_result_t aac_pci_mmio_enabled(struct pci_dev *pdev)
1803{
1804 dev_err(&pdev->dev, "aacraid: PCI error - mmio enabled\n");
1805 return PCI_ERS_RESULT_NEED_RESET;
1806}
1807
1808static pci_ers_result_t aac_pci_slot_reset(struct pci_dev *pdev)
1809{
1810 dev_err(&pdev->dev, "aacraid: PCI error - slot reset\n");
1811 pci_restore_state(pdev);
1812 if (pci_enable_device(pdev)) {
1813 dev_warn(&pdev->dev,
1814 "aacraid: failed to enable slave\n");
1815 goto fail_device;
1816 }
1817
1818 pci_set_master(pdev);
1819
1820 if (pci_enable_device_mem(pdev)) {
1821 dev_err(&pdev->dev, "pci_enable_device_mem failed\n");
1822 goto fail_device;
1823 }
1824
1825 return PCI_ERS_RESULT_RECOVERED;
1826
1827fail_device:
1828 dev_err(&pdev->dev, "aacraid: PCI error - slot reset failed\n");
1829 return PCI_ERS_RESULT_DISCONNECT;
1830}
1831
1832
1833static void aac_pci_resume(struct pci_dev *pdev)
1834{
1835 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1836 struct scsi_device *sdev = NULL;
1837 struct aac_dev *aac = (struct aac_dev *)shost_priv(shost);
1838
1839 pci_cleanup_aer_uncorrect_error_status(pdev);
1840
1841 if (aac_adapter_ioremap(aac, aac->base_size)) {
1842
1843 dev_err(&pdev->dev, "aacraid: ioremap failed\n");
1844
1845 aac->comm_interface = AAC_COMM_PRODUCER;
1846 if (aac_adapter_ioremap(aac, AAC_MIN_FOOTPRINT_SIZE)) {
1847 dev_warn(&pdev->dev,
1848 "aacraid: unable to map adapter.\n");
1849
1850 return;
1851 }
1852 }
1853
1854 msleep(10000);
1855
1856 aac_acquire_resources(aac);
1857
1858
1859
1860
1861
1862 aac->adapter_shutdown = 0;
1863 aac->handle_pci_error = 0;
1864
1865 shost_for_each_device(sdev, shost)
1866 if (sdev->sdev_state == SDEV_OFFLINE)
1867 sdev->sdev_state = SDEV_RUNNING;
1868 scsi_unblock_requests(aac->scsi_host_ptr);
1869 scsi_scan_host(aac->scsi_host_ptr);
1870 pci_save_state(pdev);
1871
1872 dev_err(&pdev->dev, "aacraid: PCI error - resume\n");
1873}
1874
1875static struct pci_error_handlers aac_pci_err_handler = {
1876 .error_detected = aac_pci_error_detected,
1877 .mmio_enabled = aac_pci_mmio_enabled,
1878 .slot_reset = aac_pci_slot_reset,
1879 .resume = aac_pci_resume,
1880};
1881
1882static struct pci_driver aac_pci_driver = {
1883 .name = AAC_DRIVERNAME,
1884 .id_table = aac_pci_tbl,
1885 .probe = aac_probe_one,
1886 .remove = aac_remove_one,
1887#if (defined(CONFIG_PM))
1888 .suspend = aac_suspend,
1889 .resume = aac_resume,
1890#endif
1891 .shutdown = aac_shutdown,
1892 .err_handler = &aac_pci_err_handler,
1893};
1894
1895static int __init aac_init(void)
1896{
1897 int error;
1898
1899 printk(KERN_INFO "Adaptec %s driver %s\n",
1900 AAC_DRIVERNAME, aac_driver_version);
1901
1902 error = pci_register_driver(&aac_pci_driver);
1903 if (error < 0)
1904 return error;
1905
1906 aac_init_char();
1907
1908
1909 return 0;
1910}
1911
1912static void __exit aac_exit(void)
1913{
1914 if (aac_cfg_major > -1)
1915 unregister_chrdev(aac_cfg_major, "aac");
1916 pci_unregister_driver(&aac_pci_driver);
1917}
1918
1919module_init(aac_init);
1920module_exit(aac_exit);
1921
