2 * Adaptec AAC series RAID controller driver
3 * (c) Copyright 2001 Red Hat Inc. <alan@redhat.com>
5 * based on the old aacraid driver that is..
6 * Adaptec aacraid device driver for Linux.
8 * Copyright (c) 2000 Adaptec, Inc. (aacraid@adaptec.com)
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2, or (at your option)
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; see the file COPYING. If not, write to
22 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
27 * Abstract: Linux Driver entry module for Adaptec RAID Array Controller
30 #define AAC_DRIVER_VERSION "1.1.2-lk1"
31 #define AAC_DRIVER_BUILD_DATE __DATE__
32 #define AAC_DRIVERNAME "aacraid"
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/slab.h>
43 #include <linux/spinlock.h>
44 #include <asm/semaphore.h>
46 #include <scsi/scsi.h>
47 #include <scsi/scsi_cmnd.h>
48 #include <scsi/scsi_device.h>
49 #include <scsi/scsi_host.h>
50 #include <scsi/scsi_tcq.h>
51 #include <scsi/scsicam.h>
52 #include <scsi/scsi_eh.h>
57 MODULE_AUTHOR("Red Hat Inc and Adaptec");
58 MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
59 "Adaptec Advanced Raid Products, "
60 "and HP NetRAID-4M SCSI driver");
61 MODULE_LICENSE("GPL");
65 module_param(nondasd, int, S_IRUGO|S_IWUSR);
66 MODULE_PARM_DESC(nondasd, "Control scanning of hba for nondasd devices. 0=off, 1=on");
69 module_param(paemode, int, S_IRUGO|S_IWUSR);
70 MODULE_PARM_DESC(paemode, "Control whether dma addressing is using PAE. 0=off, 1=on");
72 struct aac_dev *aac_devices[MAXIMUM_NUM_ADAPTERS];
73 static unsigned aac_count;
74 static int aac_cfg_major = -1;
77 * Because of the way Linux names scsi devices, the order in this table has
78 * become important. Check for on-board Raid first, add-in cards second.
80 * Note: The last field is used to index into aac_drivers below.
82 static struct pci_device_id aac_pci_tbl[] = {
83 { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si */
84 { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di */
85 { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si */
86 { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Si */
87 { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di */
88 { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di */
89 { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di */
90 { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di */
91 { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di */
92 { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult*/
93 { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat*/
94 { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader)*/
95 { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan)*/
96 { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m)*/
97 { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220*/
98 { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230*/
100 { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier)*/
101 { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado)*/
102 { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020 ZCR PCI-X U320 */
103 { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025 ZCR DIMM U320 */
104 { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 20 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II)*/
106 { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 21 }, /* Perc 320/DC*/
107 { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 22 }, /* Adaptec 5400S (Mustang)*/
108 { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 23 }, /* Adaptec 5400S (Mustang)*/
109 { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 24 }, /* Dell PERC2 "Quad Channel" */
110 { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 25 }, /* HP NetRAID-4M */
112 { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 26 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
113 { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 27 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
114 { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 28 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
115 { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 29 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
116 { 0x9005, 0x0285, 0x0E11, 0x0295, 0, 0, 30 }, /* SATA 6Ch (Bearcat) */
118 { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 31 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
119 { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 32 }, /* ASR-2020SA (ZCR PCI-X SATA) */
120 { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 33 }, /* ASR-2025SA (ZCR DIMM SATA) */
123 MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
126 * dmb - For now we add the number of channels to this structure.
127 * In the future we should add a fib that reports the number of channels
128 * for the card. At that time we can remove the channels from here
130 static struct aac_driver_ident aac_drivers[] = {
131 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT }, /* PERC 2/Si */
132 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT }, /* PERC 3/Di */
133 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT }, /* PERC 3/Si */
134 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT }, /* PERC 3/Si */
135 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT }, /* PERC 3/Di */
136 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT }, /* PERC 3/Di */
137 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT }, /* PERC 3/Di */
138 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT }, /* PERC 3/Di */
139 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT }, /* PERC 3/Di */
140 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT }, /* catapult*/
141 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT }, /* tomcat*/
142 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT }, /* Adaptec 2120S (Crusader)*/
143 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT }, /* Adaptec 2200S (Vulcan)*/
144 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT }, /* Adaptec 2200S (Vulcan-2m)*/
145 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT }, /* Legend S220*/
146 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT }, /* Legend S230*/
148 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier)*/
149 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado)*/
150 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020 ZCR PCI-X U320 */
151 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025 ZCR DIMM U320 */
152 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 2 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II)*/
154 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT }, /* Perc 320/DC*/
155 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4 }, /* Adaptec 5400S (Mustang)*/
156 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4 }, /* Adaptec 5400S (Mustang)*/
157 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_31BIT }, /* Dell PERC2 "Quad Channel" */
158 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4 }, /* HP NetRAID-4M */
160 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
161 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
162 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
163 { aac_rx_init, "aacraid", "ADAPTEC ", "SO-DIMM SATA ZCR", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
164 { aac_rx_init, "aacraid", "ADAPTEC ", "SATA 6Channel ", 1 }, /* SATA 6Ch (Bearcat) */
166 { aac_rkt_init,"aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
167 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA (ZCR PCI-X SATA) */
168 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA (ZCR DIMM SATA) */
172 * aac_queuecommand - queue a SCSI command
173 * @cmd: SCSI command to queue
174 * @done: Function to call on command completion
176 * Queues a command for execution by the associated Host Adapter.
178 * TODO: unify with aac_scsi_cmd().
181 static int aac_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
183 cmd->scsi_done = done;
184 return (aac_scsi_cmd(cmd) ? FAILED : 0);
188 * aac_info - Returns the host adapter name
189 * @shost: Scsi host to report on
191 * Returns a static string describing the device in question
194 const char *aac_info(struct Scsi_Host *shost)
196 struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
197 return aac_drivers[dev->cardtype].name;
201 * aac_get_driver_ident
202 * @devtype: index into lookup table
204 * Returns a pointer to the entry in the driver lookup table.
207 struct aac_driver_ident* aac_get_driver_ident(int devtype)
209 return &aac_drivers[devtype];
213 * aac_biosparm - return BIOS parameters for disk
214 * @sdev: The scsi device corresponding to the disk
215 * @bdev: the block device corresponding to the disk
216 * @capacity: the sector capacity of the disk
217 * @geom: geometry block to fill in
219 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
220 * The default disk geometry is 64 heads, 32 sectors, and the appropriate
221 * number of cylinders so as not to exceed drive capacity. In order for
222 * disks equal to or larger than 1 GB to be addressable by the BIOS
223 * without exceeding the BIOS limitation of 1024 cylinders, Extended
224 * Translation should be enabled. With Extended Translation enabled,
225 * drives between 1 GB inclusive and 2 GB exclusive are given a disk
226 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
227 * are given a disk geometry of 255 heads and 63 sectors. However, if
228 * the BIOS detects that the Extended Translation setting does not match
229 * the geometry in the partition table, then the translation inferred
230 * from the partition table will be used by the BIOS, and a warning may
234 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
235 sector_t capacity, int *geom)
237 struct diskparm *param = (struct diskparm *)geom;
240 dprintk((KERN_DEBUG "aac_biosparm.\n"));
243 * Assuming extended translation is enabled - #REVISIT#
245 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
246 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
258 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
261 * Read the first 1024 bytes from the disk device, if the boot
262 * sector partition table is valid, search for a partition table
263 * entry whose end_head matches one of the standard geometry
264 * translations ( 64/32, 128/32, 255/63 ).
266 buf = scsi_bios_ptable(bdev);
267 if(*(unsigned short *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
268 struct partition *first = (struct partition * )buf;
269 struct partition *entry = first;
270 int saved_cylinders = param->cylinders;
272 unsigned char end_head, end_sec;
274 for(num = 0; num < 4; num++) {
275 end_head = entry->end_head;
276 end_sec = entry->end_sector & 0x3f;
282 } else if(end_head == 127) {
286 } else if(end_head == 254) {
295 end_head = first->end_head;
296 end_sec = first->end_sector & 0x3f;
299 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
300 if (num < 4 && end_sec == param->sectors) {
301 if (param->cylinders != saved_cylinders)
302 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
303 param->heads, param->sectors, num));
304 } else if (end_head > 0 || end_sec > 0) {
305 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
306 end_head + 1, end_sec, num));
307 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
308 param->heads, param->sectors));
316 * aac_queuedepth - compute queue depths
317 * @sdev: SCSI device we are considering
319 * Selects queue depths for each target device based on the host adapter's
320 * total capacity and the queue depth supported by the target device.
321 * A queue depth of one automatically disables tagged queueing.
324 static int aac_slave_configure(struct scsi_device *sdev)
326 if (sdev->tagged_supported)
327 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, 128);
329 scsi_adjust_queue_depth(sdev, 0, 1);
333 static int aac_ioctl(struct scsi_device *sdev, int cmd, void * arg)
335 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
336 return aac_do_ioctl(dev, cmd, arg);
340 * XXX: does aac really need no error handling??
342 static int aac_eh_abort(struct scsi_cmnd *cmd)
348 * aac_eh_reset - Reset command handling
349 * @scsi_cmd: SCSI command block causing the reset
352 static int aac_eh_reset(struct scsi_cmnd* cmd)
354 struct scsi_device * dev = cmd->device;
355 struct Scsi_Host * host = dev->host;
356 struct scsi_cmnd * command;
360 printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
364 if (aac_adapter_check_health((struct aac_dev *)host->hostdata)) {
365 printk(KERN_ERR "%s: Host adapter appears dead\n",
370 * Wait for all commands to complete to this specific
371 * target (block maximum 60 seconds).
373 for (count = 60; count; --count) {
375 __shost_for_each_device(dev, host) {
376 spin_lock_irqsave(&dev->list_lock, flags);
377 list_for_each_entry(command, &dev->cmd_list, list) {
378 if (command->serial_number) {
383 spin_unlock_irqrestore(&dev->list_lock, flags);
389 * We can exit If all the commands are complete
393 spin_unlock_irq(host->host_lock);
395 spin_lock_irq(host->host_lock);
397 printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
402 * aac_cfg_open - open a configuration file
403 * @inode: inode being opened
404 * @file: file handle attached
406 * Called when the configuration device is opened. Does the needed
407 * set up on the handle and then returns
409 * Bugs: This needs extending to check a given adapter is present
410 * so we can support hot plugging, and to ref count adapters.
413 static int aac_cfg_open(struct inode *inode, struct file *file)
415 unsigned minor = iminor(inode);
417 if (minor >= aac_count)
419 file->private_data = aac_devices[minor];
424 * aac_cfg_ioctl - AAC configuration request
425 * @inode: inode of device
427 * @cmd: ioctl command code
430 * Handles a configuration ioctl. Currently this involves wrapping it
431 * up and feeding it into the nasty windowsalike glue layer.
433 * Bugs: Needs locking against parallel ioctls lower down
434 * Bugs: Needs to handle hot plugging
437 static int aac_cfg_ioctl(struct inode *inode, struct file *file,
438 unsigned int cmd, unsigned long arg)
440 return aac_do_ioctl(file->private_data, cmd, (void *)arg);
443 static struct file_operations aac_cfg_fops = {
444 .owner = THIS_MODULE,
445 .ioctl = aac_cfg_ioctl,
446 .open = aac_cfg_open,
449 static struct scsi_host_template aac_driver_template = {
450 .module = THIS_MODULE,
452 .proc_name = "aacraid",
455 .queuecommand = aac_queuecommand,
456 .bios_param = aac_biosparm,
457 .slave_configure = aac_slave_configure,
458 .eh_abort_handler = aac_eh_abort,
459 .eh_host_reset_handler = aac_eh_reset,
460 .can_queue = AAC_NUM_IO_FIB,
464 .cmd_per_lun = AAC_NUM_IO_FIB,
465 .use_clustering = ENABLE_CLUSTERING,
469 static int __devinit aac_probe_one(struct pci_dev *pdev,
470 const struct pci_device_id *id)
472 unsigned index = id->driver_data;
473 struct Scsi_Host *shost;
474 struct fsa_scsi_hba *fsa_dev_ptr;
479 if (pci_enable_device(pdev))
482 if (pci_set_dma_mask(pdev, 0xFFFFFFFFULL) ||
483 pci_set_consistent_dma_mask(pdev, 0xFFFFFFFFULL))
486 * If the quirk31 bit is set, the adapter needs adapter
487 * to driver communication memory to be allocated below 2gig
489 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
490 if (pci_set_dma_mask(pdev, 0x7FFFFFFFULL) ||
491 pci_set_consistent_dma_mask(pdev, 0x7FFFFFFFULL))
494 pci_set_master(pdev);
496 /* Increment the host adapter count */
499 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
501 goto out_disable_pdev;
503 shost->irq = pdev->irq;
504 shost->base = pci_resource_start(pdev, 0);
505 shost->unique_id = aac_count - 1;
507 aac = (struct aac_dev *)shost->hostdata;
508 aac->scsi_host_ptr = shost;
510 aac->name = aac_driver_template.name;
511 aac->id = shost->unique_id;
512 aac->cardtype = index;
514 aac->fibs = kmalloc(sizeof(struct fib) * AAC_NUM_FIB, GFP_KERNEL);
517 spin_lock_init(&aac->fib_lock);
519 /* Initialize the ordinal number of the device to -1 */
520 fsa_dev_ptr = &aac->fsa_dev;
521 for (container = 0; container < MAXIMUM_NUM_CONTAINERS; container++)
522 fsa_dev_ptr->devname[container][0] = '\0';
524 if ((*aac_drivers[index].init)(aac , shost->unique_id))
528 * If we had set a smaller DMA mask earlier, set it to 4gig
529 * now since the adapter can dma data to at least a 4gig
532 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
533 if (pci_set_dma_mask(pdev, 0xFFFFFFFFULL))
536 aac_get_adapter_info(aac);
539 * max channel will be the physical channels plus 1 virtual channel
540 * all containers are on the virtual channel 0
541 * physical channels are address by their actual physical number+1
543 if (aac->nondasd_support == 1)
544 shost->max_channel = aac_drivers[index].channels+1;
546 shost->max_channel = 1;
548 aac_get_containers(aac);
549 aac_devices[aac_count-1] = aac;
552 * dmb - we may need to move the setting of these parms somewhere else once
553 * we get a fib that can report the actual numbers
555 shost->max_id = AAC_MAX_TARGET;
556 shost->max_lun = AAC_MAX_LUN;
558 error = scsi_add_host(shost, &pdev->dev);
562 pci_set_drvdata(pdev, shost);
563 scsi_scan_host(shost);
568 kill_proc(aac->thread_pid, SIGKILL, 0);
569 wait_for_completion(&aac->aif_completion);
571 aac_send_shutdown(aac);
573 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, aac->comm_phys);
575 free_irq(pdev->irq, aac);
576 iounmap((void * )aac->regs.sa);
580 scsi_host_put(shost);
582 pci_disable_device(pdev);
588 static void __devexit aac_remove_one(struct pci_dev *pdev)
590 struct Scsi_Host *shost = pci_get_drvdata(pdev);
591 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
593 scsi_remove_host(shost);
595 kill_proc(aac->thread_pid, SIGKILL, 0);
596 wait_for_completion(&aac->aif_completion);
598 aac_send_shutdown(aac);
600 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
604 free_irq(pdev->irq, aac);
605 iounmap((void * )aac->regs.sa);
609 scsi_host_put(shost);
610 pci_disable_device(pdev);
613 * We don't decrement aac_count here because adapters can be unplugged
614 * in a different order than they were detected. If we're ever going
615 * to overflow MAXIMUM_NUM_ADAPTERS we'll have to consider using a
616 * bintmap of free aac_devices slots.
623 static struct pci_driver aac_pci_driver = {
624 .name = AAC_DRIVERNAME,
625 .id_table = aac_pci_tbl,
626 .probe = aac_probe_one,
627 .remove = __devexit_p(aac_remove_one),
630 static int __init aac_init(void)
634 printk(KERN_INFO "Red Hat/Adaptec aacraid driver (%s %s)\n",
635 AAC_DRIVER_VERSION, AAC_DRIVER_BUILD_DATE);
637 error = pci_module_init(&aac_pci_driver);
641 aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops);
642 if (aac_cfg_major < 0) {
644 "aacraid: unable to register \"aac\" device.\n");
650 static void __exit aac_exit(void)
652 unregister_chrdev(aac_cfg_major, "aac");
653 pci_unregister_driver(&aac_pci_driver);
656 module_init(aac_init);
657 module_exit(aac_exit);