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32#include <linux/compat.h>
33#include <linux/blkdev.h>
34#include <linux/completion.h>
35#include <linux/init.h>
36#include <linux/interrupt.h>
37#include <linux/kernel.h>
38#include <linux/module.h>
39#include <linux/moduleparam.h>
40#include <linux/pci.h>
41#include <linux/aer.h>
42#include <linux/pci-aspm.h>
43#include <linux/slab.h>
44#include <linux/mutex.h>
45#include <linux/spinlock.h>
46#include <linux/syscalls.h>
47#include <linux/delay.h>
48#include <linux/kthread.h>
49
50#include <scsi/scsi.h>
51#include <scsi/scsi_cmnd.h>
52#include <scsi/scsi_device.h>
53#include <scsi/scsi_host.h>
54#include <scsi/scsi_tcq.h>
55#include <scsi/scsicam.h>
56#include <scsi/scsi_eh.h>
57
58#include "aacraid.h"
59
60#define AAC_DRIVER_VERSION "1.2-1"
61#ifndef AAC_DRIVER_BRANCH
62#define AAC_DRIVER_BRANCH ""
63#endif
64#define AAC_DRIVERNAME "aacraid"
65
66#ifdef AAC_DRIVER_BUILD
67#define _str(x) #x
68#define str(x) _str(x)
69#define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH
70#else
71#define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH
72#endif
73
74MODULE_AUTHOR("Red Hat Inc and Adaptec");
75MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
76 "Adaptec Advanced Raid Products, "
77 "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver");
78MODULE_LICENSE("GPL");
79MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
80
81static DEFINE_MUTEX(aac_mutex);
82static LIST_HEAD(aac_devices);
83static int aac_cfg_major = AAC_CHARDEV_UNREGISTERED;
84char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
85
86
87
88
89
90
91
92static const struct pci_device_id aac_pci_tbl[] = {
93 { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 },
94 { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 },
95 { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 },
96 { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 },
97 { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 },
98 { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 },
99 { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 },
100 { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 },
101 { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 },
102 { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 },
103 { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 },
104 { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 },
105 { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 },
106 { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 },
107 { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 },
108 { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 },
109
110 { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 },
111 { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 },
112 { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 },
113 { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 },
114 { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 },
115 { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 },
116 { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 },
117 { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 },
118 { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 },
119 { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 },
120 { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 },
121 { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 },
122 { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 },
123 { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 },
124 { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 },
125 { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 },
126 { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 },
127 { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 },
128 { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 },
129 { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 },
130 { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 },
131 { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 },
132 { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 },
133 { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 },
134 { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 },
135 { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 },
136 { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 },
137 { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 },
138 { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 },
139 { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 },
140 { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 },
141 { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 },
142 { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 },
143 { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 },
144 { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 },
145 { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 },
146 { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 },
147 { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 },
148
149 { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 },
150 { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 },
151 { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 },
152 { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 },
153 { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 },
154
155 { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 },
156 { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 },
157 { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 },
158 { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 },
159 { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 },
160 { 0x9005, 0x028b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 62 },
161 { 0x9005, 0x028c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 63 },
162 { 0x9005, 0x028d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 64 },
163 { 0x9005, 0x028f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 65 },
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 },
240 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2 },
241 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2 },
242 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2 }
243};
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254
255static int aac_queuecommand(struct Scsi_Host *shost,
256 struct scsi_cmnd *cmd)
257{
258 int r = 0;
259 cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
260 r = (aac_scsi_cmd(cmd) ? FAILED : 0);
261 return r;
262}
263
264
265
266
267
268
269
270
271static const char *aac_info(struct Scsi_Host *shost)
272{
273 struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
274 return aac_drivers[dev->cardtype].name;
275}
276
277
278
279
280
281
282
283
284struct aac_driver_ident* aac_get_driver_ident(int devtype)
285{
286 return &aac_drivers[devtype];
287}
288
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310
311static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
312 sector_t capacity, int *geom)
313{
314 struct diskparm *param = (struct diskparm *)geom;
315 unsigned char *buf;
316
317 dprintk((KERN_DEBUG "aac_biosparm.\n"));
318
319
320
321
322 if (capacity >= 2 * 1024 * 1024) {
323 if(capacity >= 4 * 1024 * 1024) {
324 param->heads = 255;
325 param->sectors = 63;
326 } else {
327 param->heads = 128;
328 param->sectors = 32;
329 }
330 } else {
331 param->heads = 64;
332 param->sectors = 32;
333 }
334
335 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
336
337
338
339
340
341
342
343 buf = scsi_bios_ptable(bdev);
344 if (!buf)
345 return 0;
346 if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
347 struct partition *first = (struct partition * )buf;
348 struct partition *entry = first;
349 int saved_cylinders = param->cylinders;
350 int num;
351 unsigned char end_head, end_sec;
352
353 for(num = 0; num < 4; num++) {
354 end_head = entry->end_head;
355 end_sec = entry->end_sector & 0x3f;
356
357 if(end_head == 63) {
358 param->heads = 64;
359 param->sectors = 32;
360 break;
361 } else if(end_head == 127) {
362 param->heads = 128;
363 param->sectors = 32;
364 break;
365 } else if(end_head == 254) {
366 param->heads = 255;
367 param->sectors = 63;
368 break;
369 }
370 entry++;
371 }
372
373 if (num == 4) {
374 end_head = first->end_head;
375 end_sec = first->end_sector & 0x3f;
376 }
377
378 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
379 if (num < 4 && end_sec == param->sectors) {
380 if (param->cylinders != saved_cylinders)
381 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
382 param->heads, param->sectors, num));
383 } else if (end_head > 0 || end_sec > 0) {
384 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
385 end_head + 1, end_sec, num));
386 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
387 param->heads, param->sectors));
388 }
389 }
390 kfree(buf);
391 return 0;
392}
393
394
395
396
397
398
399
400
401
402
403static int aac_slave_configure(struct scsi_device *sdev)
404{
405 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
406 if (aac->jbod && (sdev->type == TYPE_DISK))
407 sdev->removable = 1;
408 if ((sdev->type == TYPE_DISK) &&
409 (sdev_channel(sdev) != CONTAINER_CHANNEL) &&
410 (!aac->jbod || sdev->inq_periph_qual) &&
411 (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
412 if (expose_physicals == 0)
413 return -ENXIO;
414 if (expose_physicals < 0)
415 sdev->no_uld_attach = 1;
416 }
417 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
418 (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) &&
419 !sdev->no_uld_attach) {
420 struct scsi_device * dev;
421 struct Scsi_Host *host = sdev->host;
422 unsigned num_lsu = 0;
423 unsigned num_one = 0;
424 unsigned depth;
425 unsigned cid;
426
427
428
429
430
431 if (sdev->request_queue->rq_timeout < (45 * HZ))
432 blk_queue_rq_timeout(sdev->request_queue, 45*HZ);
433 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
434 if (aac->fsa_dev[cid].valid)
435 ++num_lsu;
436 __shost_for_each_device(dev, host) {
437 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
438 (!aac->raid_scsi_mode ||
439 (sdev_channel(sdev) != 2)) &&
440 !dev->no_uld_attach) {
441 if ((sdev_channel(dev) != CONTAINER_CHANNEL)
442 || !aac->fsa_dev[sdev_id(dev)].valid)
443 ++num_lsu;
444 } else
445 ++num_one;
446 }
447 if (num_lsu == 0)
448 ++num_lsu;
449 depth = (host->can_queue - num_one) / num_lsu;
450 if (depth > 256)
451 depth = 256;
452 else if (depth < 2)
453 depth = 2;
454 scsi_change_queue_depth(sdev, depth);
455 } else {
456 scsi_change_queue_depth(sdev, 1);
457
458 sdev->tagged_supported = 1;
459 }
460
461 return 0;
462}
463
464
465
466
467
468
469
470
471
472
473static int aac_change_queue_depth(struct scsi_device *sdev, int depth)
474{
475 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
476 (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
477 struct scsi_device * dev;
478 struct Scsi_Host *host = sdev->host;
479 unsigned num = 0;
480
481 __shost_for_each_device(dev, host) {
482 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
483 (sdev_channel(dev) == CONTAINER_CHANNEL))
484 ++num;
485 ++num;
486 }
487 if (num >= host->can_queue)
488 num = host->can_queue - 1;
489 if (depth > (host->can_queue - num))
490 depth = host->can_queue - num;
491 if (depth > 256)
492 depth = 256;
493 else if (depth < 2)
494 depth = 2;
495 return scsi_change_queue_depth(sdev, depth);
496 }
497
498 return scsi_change_queue_depth(sdev, 1);
499}
500
501static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
502{
503 struct scsi_device *sdev = to_scsi_device(dev);
504 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
505 if (sdev_channel(sdev) != CONTAINER_CHANNEL)
506 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
507 ? "Hidden\n" :
508 ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
509 return snprintf(buf, PAGE_SIZE, "%s\n",
510 get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
511}
512
513static struct device_attribute aac_raid_level_attr = {
514 .attr = {
515 .name = "level",
516 .mode = S_IRUGO,
517 },
518 .show = aac_show_raid_level
519};
520
521static struct device_attribute *aac_dev_attrs[] = {
522 &aac_raid_level_attr,
523 NULL,
524};
525
526static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
527{
528 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
529 if (!capable(CAP_SYS_RAWIO))
530 return -EPERM;
531 return aac_do_ioctl(dev, cmd, arg);
532}
533
534static int aac_eh_abort(struct scsi_cmnd* cmd)
535{
536 struct scsi_device * dev = cmd->device;
537 struct Scsi_Host * host = dev->host;
538 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
539 int count;
540 int ret = FAILED;
541
542 printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%llu)\n",
543 AAC_DRIVERNAME,
544 host->host_no, sdev_channel(dev), sdev_id(dev), dev->lun);
545 switch (cmd->cmnd[0]) {
546 case SERVICE_ACTION_IN_16:
547 if (!(aac->raw_io_interface) ||
548 !(aac->raw_io_64) ||
549 ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
550 break;
551 case INQUIRY:
552 case READ_CAPACITY:
553
554 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
555 struct fib * fib = &aac->fibs[count];
556 if (fib->hw_fib_va->header.XferState &&
557 (fib->flags & FIB_CONTEXT_FLAG) &&
558 (fib->callback_data == cmd)) {
559 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
560 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
561 ret = SUCCESS;
562 }
563 }
564 break;
565 case TEST_UNIT_READY:
566
567 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
568 struct scsi_cmnd * command;
569 struct fib * fib = &aac->fibs[count];
570 if ((fib->hw_fib_va->header.XferState & cpu_to_le32(Async | NoResponseExpected)) &&
571 (fib->flags & FIB_CONTEXT_FLAG) &&
572 ((command = fib->callback_data)) &&
573 (command->device == cmd->device)) {
574 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
575 command->SCp.phase = AAC_OWNER_ERROR_HANDLER;
576 if (command == cmd)
577 ret = SUCCESS;
578 }
579 }
580 }
581 return ret;
582}
583
584
585
586
587
588
589static int aac_eh_reset(struct scsi_cmnd* cmd)
590{
591 struct scsi_device * dev = cmd->device;
592 struct Scsi_Host * host = dev->host;
593 struct scsi_cmnd * command;
594 int count;
595 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
596 unsigned long flags;
597
598
599 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
600 struct fib * fib = &aac->fibs[count];
601 if (fib->hw_fib_va->header.XferState &&
602 (fib->flags & FIB_CONTEXT_FLAG) &&
603 (fib->callback_data == cmd)) {
604 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
605 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
606 }
607 }
608 printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
609 AAC_DRIVERNAME);
610
611 if ((count = aac_check_health(aac)))
612 return count;
613
614
615
616
617 for (count = 60; count; --count) {
618 int active = aac->in_reset;
619
620 if (active == 0)
621 __shost_for_each_device(dev, host) {
622 spin_lock_irqsave(&dev->list_lock, flags);
623 list_for_each_entry(command, &dev->cmd_list, list) {
624 if ((command != cmd) &&
625 (command->SCp.phase == AAC_OWNER_FIRMWARE)) {
626 active++;
627 break;
628 }
629 }
630 spin_unlock_irqrestore(&dev->list_lock, flags);
631 if (active)
632 break;
633
634 }
635
636
637
638 if (active == 0)
639 return SUCCESS;
640 ssleep(1);
641 }
642 printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
643
644
645
646
647 if (((aac->supplement_adapter_info.SupportedOptions2 &
648 AAC_OPTION_MU_RESET) ||
649 (aac->supplement_adapter_info.SupportedOptions2 &
650 AAC_OPTION_DOORBELL_RESET)) &&
651 aac_check_reset &&
652 ((aac_check_reset != 1) ||
653 !(aac->supplement_adapter_info.SupportedOptions2 &
654 AAC_OPTION_IGNORE_RESET)))
655 aac_reset_adapter(aac, 2);
656 return SUCCESS;
657}
658
659
660
661
662
663
664
665
666
667
668
669
670
671static int aac_cfg_open(struct inode *inode, struct file *file)
672{
673 struct aac_dev *aac;
674 unsigned minor_number = iminor(inode);
675 int err = -ENODEV;
676
677 mutex_lock(&aac_mutex);
678 list_for_each_entry(aac, &aac_devices, entry) {
679 if (aac->id == minor_number) {
680 file->private_data = aac;
681 err = 0;
682 break;
683 }
684 }
685 mutex_unlock(&aac_mutex);
686
687 return err;
688}
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704static long aac_cfg_ioctl(struct file *file,
705 unsigned int cmd, unsigned long arg)
706{
707 struct aac_dev *aac = (struct aac_dev *)file->private_data;
708
709 if (!capable(CAP_SYS_RAWIO))
710 return -EPERM;
711
712 return aac_do_ioctl(aac, cmd, (void __user *)arg);
713}
714
715#ifdef CONFIG_COMPAT
716static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
717{
718 long ret;
719 switch (cmd) {
720 case FSACTL_MINIPORT_REV_CHECK:
721 case FSACTL_SENDFIB:
722 case FSACTL_OPEN_GET_ADAPTER_FIB:
723 case FSACTL_CLOSE_GET_ADAPTER_FIB:
724 case FSACTL_SEND_RAW_SRB:
725 case FSACTL_GET_PCI_INFO:
726 case FSACTL_QUERY_DISK:
727 case FSACTL_DELETE_DISK:
728 case FSACTL_FORCE_DELETE_DISK:
729 case FSACTL_GET_CONTAINERS:
730 case FSACTL_SEND_LARGE_FIB:
731 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
732 break;
733
734 case FSACTL_GET_NEXT_ADAPTER_FIB: {
735 struct fib_ioctl __user *f;
736
737 f = compat_alloc_user_space(sizeof(*f));
738 ret = 0;
739 if (clear_user(f, sizeof(*f)))
740 ret = -EFAULT;
741 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
742 ret = -EFAULT;
743 if (!ret)
744 ret = aac_do_ioctl(dev, cmd, f);
745 break;
746 }
747
748 default:
749 ret = -ENOIOCTLCMD;
750 break;
751 }
752 return ret;
753}
754
755static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
756{
757 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
758 if (!capable(CAP_SYS_RAWIO))
759 return -EPERM;
760 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
761}
762
763static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
764{
765 if (!capable(CAP_SYS_RAWIO))
766 return -EPERM;
767 return aac_compat_do_ioctl(file->private_data, cmd, arg);
768}
769#endif
770
771static ssize_t aac_show_model(struct device *device,
772 struct device_attribute *attr, char *buf)
773{
774 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
775 int len;
776
777 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
778 char * cp = dev->supplement_adapter_info.AdapterTypeText;
779 while (*cp && *cp != ' ')
780 ++cp;
781 while (*cp == ' ')
782 ++cp;
783 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
784 } else
785 len = snprintf(buf, PAGE_SIZE, "%s\n",
786 aac_drivers[dev->cardtype].model);
787 return len;
788}
789
790static ssize_t aac_show_vendor(struct device *device,
791 struct device_attribute *attr, char *buf)
792{
793 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
794 int len;
795
796 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
797 char * cp = dev->supplement_adapter_info.AdapterTypeText;
798 while (*cp && *cp != ' ')
799 ++cp;
800 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
801 (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText),
802 dev->supplement_adapter_info.AdapterTypeText);
803 } else
804 len = snprintf(buf, PAGE_SIZE, "%s\n",
805 aac_drivers[dev->cardtype].vname);
806 return len;
807}
808
809static ssize_t aac_show_flags(struct device *cdev,
810 struct device_attribute *attr, char *buf)
811{
812 int len = 0;
813 struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
814
815 if (nblank(dprintk(x)))
816 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
817#ifdef AAC_DETAILED_STATUS_INFO
818 len += snprintf(buf + len, PAGE_SIZE - len,
819 "AAC_DETAILED_STATUS_INFO\n");
820#endif
821 if (dev->raw_io_interface && dev->raw_io_64)
822 len += snprintf(buf + len, PAGE_SIZE - len,
823 "SAI_READ_CAPACITY_16\n");
824 if (dev->jbod)
825 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n");
826 if (dev->supplement_adapter_info.SupportedOptions2 &
827 AAC_OPTION_POWER_MANAGEMENT)
828 len += snprintf(buf + len, PAGE_SIZE - len,
829 "SUPPORTED_POWER_MANAGEMENT\n");
830 if (dev->msi)
831 len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
832 return len;
833}
834
835static ssize_t aac_show_kernel_version(struct device *device,
836 struct device_attribute *attr,
837 char *buf)
838{
839 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
840 int len, tmp;
841
842 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
843 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
844 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
845 le32_to_cpu(dev->adapter_info.kernelbuild));
846 return len;
847}
848
849static ssize_t aac_show_monitor_version(struct device *device,
850 struct device_attribute *attr,
851 char *buf)
852{
853 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
854 int len, tmp;
855
856 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
857 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
858 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
859 le32_to_cpu(dev->adapter_info.monitorbuild));
860 return len;
861}
862
863static ssize_t aac_show_bios_version(struct device *device,
864 struct device_attribute *attr,
865 char *buf)
866{
867 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
868 int len, tmp;
869
870 tmp = le32_to_cpu(dev->adapter_info.biosrev);
871 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
872 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
873 le32_to_cpu(dev->adapter_info.biosbuild));
874 return len;
875}
876
877static ssize_t aac_show_serial_number(struct device *device,
878 struct device_attribute *attr, char *buf)
879{
880 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
881 int len = 0;
882
883 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
884 len = snprintf(buf, 16, "%06X\n",
885 le32_to_cpu(dev->adapter_info.serial[0]));
886 if (len &&
887 !memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[
888 sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)-len],
889 buf, len-1))
890 len = snprintf(buf, 16, "%.*s\n",
891 (int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo),
892 dev->supplement_adapter_info.MfgPcbaSerialNo);
893
894 return min(len, 16);
895}
896
897static ssize_t aac_show_max_channel(struct device *device,
898 struct device_attribute *attr, char *buf)
899{
900 return snprintf(buf, PAGE_SIZE, "%d\n",
901 class_to_shost(device)->max_channel);
902}
903
904static ssize_t aac_show_max_id(struct device *device,
905 struct device_attribute *attr, char *buf)
906{
907 return snprintf(buf, PAGE_SIZE, "%d\n",
908 class_to_shost(device)->max_id);
909}
910
911static ssize_t aac_store_reset_adapter(struct device *device,
912 struct device_attribute *attr,
913 const char *buf, size_t count)
914{
915 int retval = -EACCES;
916
917 if (!capable(CAP_SYS_ADMIN))
918 return retval;
919 retval = aac_reset_adapter((struct aac_dev*)class_to_shost(device)->hostdata, buf[0] == '!');
920 if (retval >= 0)
921 retval = count;
922 return retval;
923}
924
925static ssize_t aac_show_reset_adapter(struct device *device,
926 struct device_attribute *attr,
927 char *buf)
928{
929 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
930 int len, tmp;
931
932 tmp = aac_adapter_check_health(dev);
933 if ((tmp == 0) && dev->in_reset)
934 tmp = -EBUSY;
935 len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
936 return len;
937}
938
939static struct device_attribute aac_model = {
940 .attr = {
941 .name = "model",
942 .mode = S_IRUGO,
943 },
944 .show = aac_show_model,
945};
946static struct device_attribute aac_vendor = {
947 .attr = {
948 .name = "vendor",
949 .mode = S_IRUGO,
950 },
951 .show = aac_show_vendor,
952};
953static struct device_attribute aac_flags = {
954 .attr = {
955 .name = "flags",
956 .mode = S_IRUGO,
957 },
958 .show = aac_show_flags,
959};
960static struct device_attribute aac_kernel_version = {
961 .attr = {
962 .name = "hba_kernel_version",
963 .mode = S_IRUGO,
964 },
965 .show = aac_show_kernel_version,
966};
967static struct device_attribute aac_monitor_version = {
968 .attr = {
969 .name = "hba_monitor_version",
970 .mode = S_IRUGO,
971 },
972 .show = aac_show_monitor_version,
973};
974static struct device_attribute aac_bios_version = {
975 .attr = {
976 .name = "hba_bios_version",
977 .mode = S_IRUGO,
978 },
979 .show = aac_show_bios_version,
980};
981static struct device_attribute aac_serial_number = {
982 .attr = {
983 .name = "serial_number",
984 .mode = S_IRUGO,
985 },
986 .show = aac_show_serial_number,
987};
988static struct device_attribute aac_max_channel = {
989 .attr = {
990 .name = "max_channel",
991 .mode = S_IRUGO,
992 },
993 .show = aac_show_max_channel,
994};
995static struct device_attribute aac_max_id = {
996 .attr = {
997 .name = "max_id",
998 .mode = S_IRUGO,
999 },
1000 .show = aac_show_max_id,
1001};
1002static struct device_attribute aac_reset = {
1003 .attr = {
1004 .name = "reset_host",
1005 .mode = S_IWUSR|S_IRUGO,
1006 },
1007 .store = aac_store_reset_adapter,
1008 .show = aac_show_reset_adapter,
1009};
1010
1011static struct device_attribute *aac_attrs[] = {
1012 &aac_model,
1013 &aac_vendor,
1014 &aac_flags,
1015 &aac_kernel_version,
1016 &aac_monitor_version,
1017 &aac_bios_version,
1018 &aac_serial_number,
1019 &aac_max_channel,
1020 &aac_max_id,
1021 &aac_reset,
1022 NULL
1023};
1024
1025ssize_t aac_get_serial_number(struct device *device, char *buf)
1026{
1027 return aac_show_serial_number(device, &aac_serial_number, buf);
1028}
1029
1030static const struct file_operations aac_cfg_fops = {
1031 .owner = THIS_MODULE,
1032 .unlocked_ioctl = aac_cfg_ioctl,
1033#ifdef CONFIG_COMPAT
1034 .compat_ioctl = aac_compat_cfg_ioctl,
1035#endif
1036 .open = aac_cfg_open,
1037 .llseek = noop_llseek,
1038};
1039
1040static struct scsi_host_template aac_driver_template = {
1041 .module = THIS_MODULE,
1042 .name = "AAC",
1043 .proc_name = AAC_DRIVERNAME,
1044 .info = aac_info,
1045 .ioctl = aac_ioctl,
1046#ifdef CONFIG_COMPAT
1047 .compat_ioctl = aac_compat_ioctl,
1048#endif
1049 .queuecommand = aac_queuecommand,
1050 .bios_param = aac_biosparm,
1051 .shost_attrs = aac_attrs,
1052 .slave_configure = aac_slave_configure,
1053 .change_queue_depth = aac_change_queue_depth,
1054 .sdev_attrs = aac_dev_attrs,
1055 .eh_abort_handler = aac_eh_abort,
1056 .eh_host_reset_handler = aac_eh_reset,
1057 .can_queue = AAC_NUM_IO_FIB,
1058 .this_id = MAXIMUM_NUM_CONTAINERS,
1059 .sg_tablesize = 16,
1060 .max_sectors = 128,
1061#if (AAC_NUM_IO_FIB > 256)
1062 .cmd_per_lun = 256,
1063#else
1064 .cmd_per_lun = AAC_NUM_IO_FIB,
1065#endif
1066 .use_clustering = ENABLE_CLUSTERING,
1067 .emulated = 1,
1068 .no_write_same = 1,
1069};
1070
1071static void __aac_shutdown(struct aac_dev * aac)
1072{
1073 int i;
1074 int cpu;
1075
1076 aac_send_shutdown(aac);
1077
1078 if (aac->aif_thread) {
1079 int i;
1080
1081 for (i = 0; i < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++) {
1082 struct fib *fib = &aac->fibs[i];
1083 if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) &&
1084 (fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected)))
1085 up(&fib->event_wait);
1086 }
1087 kthread_stop(aac->thread);
1088 }
1089 aac_adapter_disable_int(aac);
1090 cpu = cpumask_first(cpu_online_mask);
1091 if (aac->pdev->device == PMC_DEVICE_S6 ||
1092 aac->pdev->device == PMC_DEVICE_S7 ||
1093 aac->pdev->device == PMC_DEVICE_S8 ||
1094 aac->pdev->device == PMC_DEVICE_S9) {
1095 if (aac->max_msix > 1) {
1096 for (i = 0; i < aac->max_msix; i++) {
1097 if (irq_set_affinity_hint(
1098 aac->msixentry[i].vector,
1099 NULL)) {
1100 printk(KERN_ERR "%s%d: Failed to reset IRQ affinity for cpu %d\n",
1101 aac->name,
1102 aac->id,
1103 cpu);
1104 }
1105 cpu = cpumask_next(cpu,
1106 cpu_online_mask);
1107 free_irq(aac->msixentry[i].vector,
1108 &(aac->aac_msix[i]));
1109 }
1110 } else {
1111 free_irq(aac->pdev->irq,
1112 &(aac->aac_msix[0]));
1113 }
1114 } else {
1115 free_irq(aac->pdev->irq, aac);
1116 }
1117 if (aac->msi)
1118 pci_disable_msi(aac->pdev);
1119 else if (aac->max_msix > 1)
1120 pci_disable_msix(aac->pdev);
1121}
1122static void aac_init_char(void)
1123{
1124 aac_cfg_major = register_chrdev(0, "aac", &aac_cfg_fops);
1125 if (aac_cfg_major < 0) {
1126 pr_err("aacraid: unable to register \"aac\" device.\n");
1127 }
1128}
1129
1130static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1131{
1132 unsigned index = id->driver_data;
1133 struct Scsi_Host *shost;
1134 struct aac_dev *aac;
1135 struct list_head *insert = &aac_devices;
1136 int error = -ENODEV;
1137 int unique_id = 0;
1138 u64 dmamask;
1139 extern int aac_sync_mode;
1140
1141
1142
1143
1144 if (pdev->device == PMC_DEVICE_S7)
1145 pdev->needs_freset = 1;
1146
1147 list_for_each_entry(aac, &aac_devices, entry) {
1148 if (aac->id > unique_id)
1149 break;
1150 insert = &aac->entry;
1151 unique_id++;
1152 }
1153
1154 pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
1155 PCIE_LINK_STATE_CLKPM);
1156
1157 error = pci_enable_device(pdev);
1158 if (error)
1159 goto out;
1160 error = -ENODEV;
1161
1162
1163
1164
1165
1166 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1167 dmamask = DMA_BIT_MASK(31);
1168 else
1169 dmamask = DMA_BIT_MASK(32);
1170
1171 if (pci_set_dma_mask(pdev, dmamask) ||
1172 pci_set_consistent_dma_mask(pdev, dmamask))
1173 goto out_disable_pdev;
1174
1175 pci_set_master(pdev);
1176
1177 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1178 if (!shost)
1179 goto out_disable_pdev;
1180
1181 shost->irq = pdev->irq;
1182 shost->unique_id = unique_id;
1183 shost->max_cmd_len = 16;
1184 shost->use_cmd_list = 1;
1185
1186 if (aac_cfg_major == AAC_CHARDEV_NEEDS_REINIT)
1187 aac_init_char();
1188
1189 aac = (struct aac_dev *)shost->hostdata;
1190 aac->base_start = pci_resource_start(pdev, 0);
1191 aac->scsi_host_ptr = shost;
1192 aac->pdev = pdev;
1193 aac->name = aac_driver_template.name;
1194 aac->id = shost->unique_id;
1195 aac->cardtype = index;
1196 INIT_LIST_HEAD(&aac->entry);
1197
1198 aac->fibs = kzalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
1199 if (!aac->fibs)
1200 goto out_free_host;
1201 spin_lock_init(&aac->fib_lock);
1202
1203 mutex_init(&aac->ioctl_mutex);
1204
1205
1206
1207 aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1208 if ((*aac_drivers[index].init)(aac))
1209 goto out_unmap;
1210
1211 if (aac->sync_mode) {
1212 if (aac_sync_mode)
1213 printk(KERN_INFO "%s%d: Sync. mode enforced "
1214 "by driver parameter. This will cause "
1215 "a significant performance decrease!\n",
1216 aac->name,
1217 aac->id);
1218 else
1219 printk(KERN_INFO "%s%d: Async. mode not supported "
1220 "by current driver, sync. mode enforced."
1221 "\nPlease update driver to get full performance.\n",
1222 aac->name,
1223 aac->id);
1224 }
1225
1226
1227
1228
1229 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1230 if (IS_ERR(aac->thread)) {
1231 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1232 error = PTR_ERR(aac->thread);
1233 aac->thread = NULL;
1234 goto out_deinit;
1235 }
1236
1237
1238
1239
1240
1241
1242 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1243 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)))
1244 goto out_deinit;
1245
1246 aac->maximum_num_channels = aac_drivers[index].channels;
1247 error = aac_get_adapter_info(aac);
1248 if (error < 0)
1249 goto out_deinit;
1250
1251
1252
1253
1254 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1255 (shost->sg_tablesize > 34)) {
1256 shost->sg_tablesize = 34;
1257 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1258 }
1259
1260 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1261 (shost->sg_tablesize > 17)) {
1262 shost->sg_tablesize = 17;
1263 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1264 }
1265
1266 error = pci_set_dma_max_seg_size(pdev,
1267 (aac->adapter_info.options & AAC_OPT_NEW_COMM) ?
1268 (shost->max_sectors << 9) : 65536);
1269 if (error)
1270 goto out_deinit;
1271
1272
1273
1274
1275 if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1276 aac->printf_enabled = 1;
1277 else
1278 aac->printf_enabled = 0;
1279
1280
1281
1282
1283
1284
1285 if (aac->nondasd_support || expose_physicals || aac->jbod)
1286 shost->max_channel = aac->maximum_num_channels;
1287 else
1288 shost->max_channel = 0;
1289
1290 aac_get_config_status(aac, 0);
1291 aac_get_containers(aac);
1292 list_add(&aac->entry, insert);
1293
1294 shost->max_id = aac->maximum_num_containers;
1295 if (shost->max_id < aac->maximum_num_physicals)
1296 shost->max_id = aac->maximum_num_physicals;
1297 if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1298 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1299 else
1300 shost->this_id = shost->max_id;
1301
1302
1303
1304
1305
1306 shost->max_lun = AAC_MAX_LUN;
1307
1308 pci_set_drvdata(pdev, shost);
1309
1310 error = scsi_add_host(shost, &pdev->dev);
1311 if (error)
1312 goto out_deinit;
1313 scsi_scan_host(shost);
1314
1315 pci_enable_pcie_error_reporting(pdev);
1316 pci_save_state(pdev);
1317
1318 return 0;
1319
1320 out_deinit:
1321 __aac_shutdown(aac);
1322 out_unmap:
1323 aac_fib_map_free(aac);
1324 if (aac->comm_addr)
1325 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1326 aac->comm_phys);
1327 kfree(aac->queues);
1328 aac_adapter_ioremap(aac, 0);
1329 kfree(aac->fibs);
1330 kfree(aac->fsa_dev);
1331 out_free_host:
1332 scsi_host_put(shost);
1333 out_disable_pdev:
1334 pci_disable_device(pdev);
1335 out:
1336 return error;
1337}
1338
1339static void aac_release_resources(struct aac_dev *aac)
1340{
1341 int i;
1342
1343 aac_adapter_disable_int(aac);
1344 if (aac->pdev->device == PMC_DEVICE_S6 ||
1345 aac->pdev->device == PMC_DEVICE_S7 ||
1346 aac->pdev->device == PMC_DEVICE_S8 ||
1347 aac->pdev->device == PMC_DEVICE_S9) {
1348 if (aac->max_msix > 1) {
1349 for (i = 0; i < aac->max_msix; i++)
1350 free_irq(aac->msixentry[i].vector,
1351 &(aac->aac_msix[i]));
1352 } else {
1353 free_irq(aac->pdev->irq, &(aac->aac_msix[0]));
1354 }
1355 } else {
1356 free_irq(aac->pdev->irq, aac);
1357 }
1358 if (aac->msi)
1359 pci_disable_msi(aac->pdev);
1360 else if (aac->max_msix > 1)
1361 pci_disable_msix(aac->pdev);
1362
1363}
1364
1365static int aac_acquire_resources(struct aac_dev *dev)
1366{
1367 int i, j;
1368 int instance = dev->id;
1369 const char *name = dev->name;
1370 unsigned long status;
1371
1372
1373
1374
1375 while (!((status = src_readl(dev, MUnit.OMR)) & KERNEL_UP_AND_RUNNING)
1376 || status == 0xffffffff)
1377 msleep(20);
1378
1379 aac_adapter_disable_int(dev);
1380 aac_adapter_enable_int(dev);
1381
1382
1383 if ((dev->pdev->device == PMC_DEVICE_S7 ||
1384 dev->pdev->device == PMC_DEVICE_S8 ||
1385 dev->pdev->device == PMC_DEVICE_S9))
1386 aac_define_int_mode(dev);
1387
1388 if (dev->msi_enabled)
1389 aac_src_access_devreg(dev, AAC_ENABLE_MSIX);
1390
1391 if (!dev->sync_mode && dev->msi_enabled && dev->max_msix > 1) {
1392 for (i = 0; i < dev->max_msix; i++) {
1393 dev->aac_msix[i].vector_no = i;
1394 dev->aac_msix[i].dev = dev;
1395
1396 if (request_irq(dev->msixentry[i].vector,
1397 dev->a_ops.adapter_intr,
1398 0, "aacraid", &(dev->aac_msix[i]))) {
1399 printk(KERN_ERR "%s%d: Failed to register IRQ for vector %d.\n",
1400 name, instance, i);
1401 for (j = 0 ; j < i ; j++)
1402 free_irq(dev->msixentry[j].vector,
1403 &(dev->aac_msix[j]));
1404 pci_disable_msix(dev->pdev);
1405 goto error_iounmap;
1406 }
1407 }
1408 } else {
1409 dev->aac_msix[0].vector_no = 0;
1410 dev->aac_msix[0].dev = dev;
1411
1412 if (request_irq(dev->pdev->irq, dev->a_ops.adapter_intr,
1413 IRQF_SHARED, "aacraid",
1414 &(dev->aac_msix[0])) < 0) {
1415 if (dev->msi)
1416 pci_disable_msi(dev->pdev);
1417 printk(KERN_ERR "%s%d: Interrupt unavailable.\n",
1418 name, instance);
1419 goto error_iounmap;
1420 }
1421 }
1422
1423 aac_adapter_enable_int(dev);
1424
1425
1426
1427
1428 aac_fib_vector_assign(dev);
1429
1430 if (!dev->sync_mode) {
1431
1432
1433
1434 aac_adapter_start(dev);
1435 dev->init->Sa_MSIXVectors = cpu_to_le32(dev->max_msix);
1436 }
1437 return 0;
1438
1439error_iounmap:
1440 return -1;
1441
1442}
1443
1444#if (defined(CONFIG_PM))
1445static int aac_suspend(struct pci_dev *pdev, pm_message_t state)
1446{
1447
1448 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1449 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1450
1451 scsi_block_requests(shost);
1452 aac_send_shutdown(aac);
1453
1454 aac_release_resources(aac);
1455
1456 pci_set_drvdata(pdev, shost);
1457 pci_save_state(pdev);
1458 pci_disable_device(pdev);
1459 pci_set_power_state(pdev, pci_choose_state(pdev, state));
1460
1461 return 0;
1462}
1463
1464static int aac_resume(struct pci_dev *pdev)
1465{
1466 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1467 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1468 int r;
1469
1470 pci_set_power_state(pdev, PCI_D0);
1471 pci_enable_wake(pdev, PCI_D0, 0);
1472 pci_restore_state(pdev);
1473 r = pci_enable_device(pdev);
1474
1475 if (r)
1476 goto fail_device;
1477
1478 pci_set_master(pdev);
1479 if (aac_acquire_resources(aac))
1480 goto fail_device;
1481
1482
1483
1484
1485 aac->adapter_shutdown = 0;
1486 scsi_unblock_requests(shost);
1487
1488 return 0;
1489
1490fail_device:
1491 printk(KERN_INFO "%s%d: resume failed.\n", aac->name, aac->id);
1492 scsi_host_put(shost);
1493 pci_disable_device(pdev);
1494 return -ENODEV;
1495}
1496#endif
1497
1498static void aac_shutdown(struct pci_dev *dev)
1499{
1500 struct Scsi_Host *shost = pci_get_drvdata(dev);
1501 scsi_block_requests(shost);
1502 __aac_shutdown((struct aac_dev *)shost->hostdata);
1503}
1504
1505static void aac_remove_one(struct pci_dev *pdev)
1506{
1507 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1508 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1509
1510 scsi_remove_host(shost);
1511
1512 __aac_shutdown(aac);
1513 aac_fib_map_free(aac);
1514 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1515 aac->comm_phys);
1516 kfree(aac->queues);
1517
1518 aac_adapter_ioremap(aac, 0);
1519
1520 kfree(aac->fibs);
1521 kfree(aac->fsa_dev);
1522
1523 list_del(&aac->entry);
1524 scsi_host_put(shost);
1525 pci_disable_device(pdev);
1526 if (list_empty(&aac_devices)) {
1527 unregister_chrdev(aac_cfg_major, "aac");
1528 aac_cfg_major = AAC_CHARDEV_NEEDS_REINIT;
1529 }
1530}
1531
1532static void aac_flush_ios(struct aac_dev *aac)
1533{
1534 int i;
1535 struct scsi_cmnd *cmd;
1536
1537 for (i = 0; i < aac->scsi_host_ptr->can_queue; i++) {
1538 cmd = (struct scsi_cmnd *)aac->fibs[i].callback_data;
1539 if (cmd && (cmd->SCp.phase == AAC_OWNER_FIRMWARE)) {
1540 scsi_dma_unmap(cmd);
1541
1542 if (aac->handle_pci_error)
1543 cmd->result = DID_NO_CONNECT << 16;
1544 else
1545 cmd->result = DID_RESET << 16;
1546
1547 cmd->scsi_done(cmd);
1548 }
1549 }
1550}
1551
1552static pci_ers_result_t aac_pci_error_detected(struct pci_dev *pdev,
1553 enum pci_channel_state error)
1554{
1555 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1556 struct aac_dev *aac = shost_priv(shost);
1557
1558 dev_err(&pdev->dev, "aacraid: PCI error detected %x\n", error);
1559
1560 switch (error) {
1561 case pci_channel_io_normal:
1562 return PCI_ERS_RESULT_CAN_RECOVER;
1563 case pci_channel_io_frozen:
1564 aac->handle_pci_error = 1;
1565
1566 scsi_block_requests(aac->scsi_host_ptr);
1567 aac_flush_ios(aac);
1568 aac_release_resources(aac);
1569
1570 pci_disable_pcie_error_reporting(pdev);
1571 aac_adapter_ioremap(aac, 0);
1572
1573 return PCI_ERS_RESULT_NEED_RESET;
1574 case pci_channel_io_perm_failure:
1575 aac->handle_pci_error = 1;
1576
1577 aac_flush_ios(aac);
1578 return PCI_ERS_RESULT_DISCONNECT;
1579 }
1580
1581 return PCI_ERS_RESULT_NEED_RESET;
1582}
1583
1584static pci_ers_result_t aac_pci_mmio_enabled(struct pci_dev *pdev)
1585{
1586 dev_err(&pdev->dev, "aacraid: PCI error - mmio enabled\n");
1587 return PCI_ERS_RESULT_NEED_RESET;
1588}
1589
1590static pci_ers_result_t aac_pci_slot_reset(struct pci_dev *pdev)
1591{
1592 dev_err(&pdev->dev, "aacraid: PCI error - slot reset\n");
1593 pci_restore_state(pdev);
1594 if (pci_enable_device(pdev)) {
1595 dev_warn(&pdev->dev,
1596 "aacraid: failed to enable slave\n");
1597 goto fail_device;
1598 }
1599
1600 pci_set_master(pdev);
1601
1602 if (pci_enable_device_mem(pdev)) {
1603 dev_err(&pdev->dev, "pci_enable_device_mem failed\n");
1604 goto fail_device;
1605 }
1606
1607 return PCI_ERS_RESULT_RECOVERED;
1608
1609fail_device:
1610 dev_err(&pdev->dev, "aacraid: PCI error - slot reset failed\n");
1611 return PCI_ERS_RESULT_DISCONNECT;
1612}
1613
1614
1615static void aac_pci_resume(struct pci_dev *pdev)
1616{
1617 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1618 struct scsi_device *sdev = NULL;
1619 struct aac_dev *aac = (struct aac_dev *)shost_priv(shost);
1620
1621 pci_cleanup_aer_uncorrect_error_status(pdev);
1622
1623 if (aac_adapter_ioremap(aac, aac->base_size)) {
1624
1625 dev_err(&pdev->dev, "aacraid: ioremap failed\n");
1626
1627 aac->comm_interface = AAC_COMM_PRODUCER;
1628 if (aac_adapter_ioremap(aac, AAC_MIN_FOOTPRINT_SIZE)) {
1629 dev_warn(&pdev->dev,
1630 "aacraid: unable to map adapter.\n");
1631
1632 return;
1633 }
1634 }
1635
1636 msleep(10000);
1637
1638 aac_acquire_resources(aac);
1639
1640
1641
1642
1643
1644 aac->adapter_shutdown = 0;
1645 aac->handle_pci_error = 0;
1646
1647 shost_for_each_device(sdev, shost)
1648 if (sdev->sdev_state == SDEV_OFFLINE)
1649 sdev->sdev_state = SDEV_RUNNING;
1650 scsi_unblock_requests(aac->scsi_host_ptr);
1651 scsi_scan_host(aac->scsi_host_ptr);
1652 pci_save_state(pdev);
1653
1654 dev_err(&pdev->dev, "aacraid: PCI error - resume\n");
1655}
1656
1657static struct pci_error_handlers aac_pci_err_handler = {
1658 .error_detected = aac_pci_error_detected,
1659 .mmio_enabled = aac_pci_mmio_enabled,
1660 .slot_reset = aac_pci_slot_reset,
1661 .resume = aac_pci_resume,
1662};
1663
1664static struct pci_driver aac_pci_driver = {
1665 .name = AAC_DRIVERNAME,
1666 .id_table = aac_pci_tbl,
1667 .probe = aac_probe_one,
1668 .remove = aac_remove_one,
1669#if (defined(CONFIG_PM))
1670 .suspend = aac_suspend,
1671 .resume = aac_resume,
1672#endif
1673 .shutdown = aac_shutdown,
1674 .err_handler = &aac_pci_err_handler,
1675};
1676
1677static int __init aac_init(void)
1678{
1679 int error;
1680
1681 printk(KERN_INFO "Adaptec %s driver %s\n",
1682 AAC_DRIVERNAME, aac_driver_version);
1683
1684 error = pci_register_driver(&aac_pci_driver);
1685 if (error < 0)
1686 return error;
1687
1688 aac_init_char();
1689
1690
1691 return 0;
1692}
1693
1694static void __exit aac_exit(void)
1695{
1696 if (aac_cfg_major > -1)
1697 unregister_chrdev(aac_cfg_major, "aac");
1698 pci_unregister_driver(&aac_pci_driver);
1699}
1700
1701module_init(aac_init);
1702module_exit(aac_exit);
1703
