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-lk2"
31 #define AAC_DRIVER_BUILD_DATE __DATE__
32 #define AAC_DRIVERNAME "aacraid"
34 #include <linux/compat.h>
35 #include <linux/blkdev.h>
36 #include <linux/completion.h>
37 #include <linux/init.h>
38 #include <linux/interrupt.h>
39 #include <linux/kernel.h>
40 #include <linux/module.h>
41 #include <linux/moduleparam.h>
42 #include <linux/pci.h>
43 #include <linux/slab.h>
44 #include <linux/spinlock.h>
45 #include <linux/syscalls.h>
46 #include <linux/ioctl32.h>
47 #include <asm/semaphore.h>
49 #include <scsi/scsi.h>
50 #include <scsi/scsi_cmnd.h>
51 #include <scsi/scsi_device.h>
52 #include <scsi/scsi_host.h>
53 #include <scsi/scsi_tcq.h>
54 #include <scsi/scsicam.h>
55 #include <scsi/scsi_eh.h>
60 MODULE_AUTHOR("Red Hat Inc and Adaptec");
61 MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
62 "Adaptec Advanced Raid Products, "
63 "and HP NetRAID-4M SCSI driver");
64 MODULE_LICENSE("GPL");
68 module_param(nondasd, int, S_IRUGO|S_IWUSR);
69 MODULE_PARM_DESC(nondasd, "Control scanning of hba for nondasd devices. 0=off, 1=on");
72 module_param(paemode, int, S_IRUGO|S_IWUSR);
73 MODULE_PARM_DESC(paemode, "Control whether dma addressing is using PAE. 0=off, 1=on");
75 struct aac_dev *aac_devices[MAXIMUM_NUM_ADAPTERS];
76 static unsigned aac_count;
77 static int aac_cfg_major = -1;
80 * Because of the way Linux names scsi devices, the order in this table has
81 * become important. Check for on-board Raid first, add-in cards second.
83 * Note: The last field is used to index into aac_drivers below.
85 static struct pci_device_id aac_pci_tbl[] = {
86 { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si */
87 { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di */
88 { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si */
89 { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Si */
90 { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di */
91 { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di */
92 { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di */
93 { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di */
94 { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di */
95 { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult*/
96 { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat*/
97 { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader)*/
98 { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan)*/
99 { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m)*/
100 { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220*/
101 { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230*/
103 { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier)*/
104 { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado)*/
105 { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020 ZCR PCI-X U320 */
106 { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025 ZCR DIMM U320 */
107 { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 20 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II)*/
109 { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 21 }, /* Perc 320/DC*/
110 { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 22 }, /* Adaptec 5400S (Mustang)*/
111 { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 23 }, /* Adaptec 5400S (Mustang)*/
112 { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 24 }, /* Dell PERC2 "Quad Channel" */
113 { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 25 }, /* HP NetRAID-4M */
115 { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 26 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
116 { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 27 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
117 { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 28 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
118 { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 29 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
119 { 0x9005, 0x0285, 0x0E11, 0x0295, 0, 0, 30 }, /* SATA 6Ch (Bearcat) */
121 { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 31 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
122 { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 32 }, /* ASR-2020SA (ZCR PCI-X SATA) */
123 { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 33 }, /* ASR-2025SA (ZCR DIMM SATA) */
126 MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
129 * dmb - For now we add the number of channels to this structure.
130 * In the future we should add a fib that reports the number of channels
131 * for the card. At that time we can remove the channels from here
133 static struct aac_driver_ident aac_drivers[] = {
134 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT }, /* PERC 2/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/Si */
137 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT }, /* PERC 3/Si */
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, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT }, /* PERC 3/Di */
141 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT }, /* PERC 3/Di */
142 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT }, /* PERC 3/Di */
143 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT }, /* catapult*/
144 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT }, /* tomcat*/
145 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT }, /* Adaptec 2120S (Crusader)*/
146 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT }, /* Adaptec 2200S (Vulcan)*/
147 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT }, /* Adaptec 2200S (Vulcan-2m)*/
148 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT }, /* Legend S220*/
149 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT }, /* Legend S230*/
151 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier)*/
152 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado)*/
153 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020 ZCR PCI-X U320 */
154 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025 ZCR DIMM U320 */
155 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 2 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II)*/
157 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT }, /* Perc 320/DC*/
158 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4 }, /* Adaptec 5400S (Mustang)*/
159 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4 }, /* Adaptec 5400S (Mustang)*/
160 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_31BIT }, /* Dell PERC2 "Quad Channel" */
161 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4 }, /* HP NetRAID-4M */
163 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
164 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
165 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
166 { aac_rx_init, "aacraid", "ADAPTEC ", "SO-DIMM SATA ZCR", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
167 { aac_rx_init, "aacraid", "ADAPTEC ", "SATA 6Channel ", 1 }, /* SATA 6Ch (Bearcat) */
169 { aac_rkt_init,"aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
170 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA (ZCR PCI-X SATA) */
171 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA (ZCR DIMM SATA) */
176 * Promote 32 bit apps that call get_next_adapter_fib_ioctl to 64 bit version
178 static int aac_get_next_adapter_fib_ioctl(unsigned int fd, unsigned int cmd,
179 unsigned long arg, struct file *file)
181 struct fib_ioctl __user *f;
183 f = compat_alloc_user_space(sizeof(*f));
184 if (!access_ok(VERIFY_WRITE, f, sizeof(*f)))
187 clear_user(f, sizeof(*f));
188 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
191 return sys_ioctl(fd, cmd, (unsigned long)f);
197 * aac_queuecommand - queue a SCSI command
198 * @cmd: SCSI command to queue
199 * @done: Function to call on command completion
201 * Queues a command for execution by the associated Host Adapter.
203 * TODO: unify with aac_scsi_cmd().
206 static int aac_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
208 cmd->scsi_done = done;
209 return (aac_scsi_cmd(cmd) ? FAILED : 0);
213 * aac_info - Returns the host adapter name
214 * @shost: Scsi host to report on
216 * Returns a static string describing the device in question
219 const char *aac_info(struct Scsi_Host *shost)
221 struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
222 return aac_drivers[dev->cardtype].name;
226 * aac_get_driver_ident
227 * @devtype: index into lookup table
229 * Returns a pointer to the entry in the driver lookup table.
232 struct aac_driver_ident* aac_get_driver_ident(int devtype)
234 return &aac_drivers[devtype];
238 * aac_biosparm - return BIOS parameters for disk
239 * @sdev: The scsi device corresponding to the disk
240 * @bdev: the block device corresponding to the disk
241 * @capacity: the sector capacity of the disk
242 * @geom: geometry block to fill in
244 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
245 * The default disk geometry is 64 heads, 32 sectors, and the appropriate
246 * number of cylinders so as not to exceed drive capacity. In order for
247 * disks equal to or larger than 1 GB to be addressable by the BIOS
248 * without exceeding the BIOS limitation of 1024 cylinders, Extended
249 * Translation should be enabled. With Extended Translation enabled,
250 * drives between 1 GB inclusive and 2 GB exclusive are given a disk
251 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
252 * are given a disk geometry of 255 heads and 63 sectors. However, if
253 * the BIOS detects that the Extended Translation setting does not match
254 * the geometry in the partition table, then the translation inferred
255 * from the partition table will be used by the BIOS, and a warning may
259 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
260 sector_t capacity, int *geom)
262 struct diskparm *param = (struct diskparm *)geom;
265 dprintk((KERN_DEBUG "aac_biosparm.\n"));
268 * Assuming extended translation is enabled - #REVISIT#
270 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
271 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
283 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
286 * Read the first 1024 bytes from the disk device, if the boot
287 * sector partition table is valid, search for a partition table
288 * entry whose end_head matches one of the standard geometry
289 * translations ( 64/32, 128/32, 255/63 ).
291 buf = scsi_bios_ptable(bdev);
292 if(*(unsigned short *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
293 struct partition *first = (struct partition * )buf;
294 struct partition *entry = first;
295 int saved_cylinders = param->cylinders;
297 unsigned char end_head, end_sec;
299 for(num = 0; num < 4; num++) {
300 end_head = entry->end_head;
301 end_sec = entry->end_sector & 0x3f;
307 } else if(end_head == 127) {
311 } else if(end_head == 254) {
320 end_head = first->end_head;
321 end_sec = first->end_sector & 0x3f;
324 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
325 if (num < 4 && end_sec == param->sectors) {
326 if (param->cylinders != saved_cylinders)
327 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
328 param->heads, param->sectors, num));
329 } else if (end_head > 0 || end_sec > 0) {
330 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
331 end_head + 1, end_sec, num));
332 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
333 param->heads, param->sectors));
341 * aac_queuedepth - compute queue depths
342 * @sdev: SCSI device we are considering
344 * Selects queue depths for each target device based on the host adapter's
345 * total capacity and the queue depth supported by the target device.
346 * A queue depth of one automatically disables tagged queueing.
349 static int aac_slave_configure(struct scsi_device *sdev)
351 if (sdev->tagged_supported)
352 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, 128);
354 scsi_adjust_queue_depth(sdev, 0, 1);
358 static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
360 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
361 return aac_do_ioctl(dev, cmd, arg);
365 * XXX: does aac really need no error handling??
367 static int aac_eh_abort(struct scsi_cmnd *cmd)
373 * aac_eh_reset - Reset command handling
374 * @scsi_cmd: SCSI command block causing the reset
377 static int aac_eh_reset(struct scsi_cmnd* cmd)
379 struct scsi_device * dev = cmd->device;
380 struct Scsi_Host * host = dev->host;
381 struct scsi_cmnd * command;
383 struct aac_dev * aac;
386 printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
390 aac = (struct aac_dev *)host->hostdata;
391 if (aac_adapter_check_health(aac)) {
392 printk(KERN_ERR "%s: Host adapter appears dead\n",
397 * Wait for all commands to complete to this specific
398 * target (block maximum 60 seconds).
400 for (count = 60; count; --count) {
402 __shost_for_each_device(dev, host) {
403 spin_lock_irqsave(&dev->list_lock, flags);
404 list_for_each_entry(command, &dev->cmd_list, list) {
405 if (command->serial_number) {
410 spin_unlock_irqrestore(&dev->list_lock, flags);
413 * We can exit If all the commands are complete
418 spin_unlock_irq(host->host_lock);
420 spin_lock_irq(host->host_lock);
422 printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
427 * aac_cfg_open - open a configuration file
428 * @inode: inode being opened
429 * @file: file handle attached
431 * Called when the configuration device is opened. Does the needed
432 * set up on the handle and then returns
434 * Bugs: This needs extending to check a given adapter is present
435 * so we can support hot plugging, and to ref count adapters.
438 static int aac_cfg_open(struct inode *inode, struct file *file)
440 unsigned minor = iminor(inode);
442 if (minor >= aac_count)
444 file->private_data = aac_devices[minor];
449 * aac_cfg_ioctl - AAC configuration request
450 * @inode: inode of device
452 * @cmd: ioctl command code
455 * Handles a configuration ioctl. Currently this involves wrapping it
456 * up and feeding it into the nasty windowsalike glue layer.
458 * Bugs: Needs locking against parallel ioctls lower down
459 * Bugs: Needs to handle hot plugging
462 static int aac_cfg_ioctl(struct inode *inode, struct file *file,
463 unsigned int cmd, unsigned long arg)
465 return aac_do_ioctl(file->private_data, cmd, (void __user *)arg);
468 static struct file_operations aac_cfg_fops = {
469 .owner = THIS_MODULE,
470 .ioctl = aac_cfg_ioctl,
471 .open = aac_cfg_open,
474 static struct scsi_host_template aac_driver_template = {
475 .module = THIS_MODULE,
477 .proc_name = "aacraid",
480 .queuecommand = aac_queuecommand,
481 .bios_param = aac_biosparm,
482 .slave_configure = aac_slave_configure,
483 .eh_abort_handler = aac_eh_abort,
484 .eh_host_reset_handler = aac_eh_reset,
485 .can_queue = AAC_NUM_IO_FIB,
489 #if (AAC_NUM_IO_FIB > 256)
492 .cmd_per_lun = AAC_NUM_IO_FIB,
494 .use_clustering = ENABLE_CLUSTERING,
498 static int __devinit aac_probe_one(struct pci_dev *pdev,
499 const struct pci_device_id *id)
501 unsigned index = id->driver_data;
502 struct Scsi_Host *shost;
503 struct fsa_scsi_hba *fsa_dev_ptr;
508 if (pci_enable_device(pdev))
511 if (pci_set_dma_mask(pdev, 0xFFFFFFFFULL) ||
512 pci_set_consistent_dma_mask(pdev, 0xFFFFFFFFULL))
515 * If the quirk31 bit is set, the adapter needs adapter
516 * to driver communication memory to be allocated below 2gig
518 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
519 if (pci_set_dma_mask(pdev, 0x7FFFFFFFULL) ||
520 pci_set_consistent_dma_mask(pdev, 0x7FFFFFFFULL))
523 pci_set_master(pdev);
525 /* Increment the host adapter count */
528 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
530 goto out_disable_pdev;
532 shost->irq = pdev->irq;
533 shost->base = pci_resource_start(pdev, 0);
534 shost->unique_id = aac_count - 1;
536 aac = (struct aac_dev *)shost->hostdata;
537 aac->scsi_host_ptr = shost;
539 aac->name = aac_driver_template.name;
540 aac->id = shost->unique_id;
541 aac->cardtype = index;
543 aac->fibs = kmalloc(sizeof(struct fib) * AAC_NUM_FIB, GFP_KERNEL);
546 spin_lock_init(&aac->fib_lock);
548 /* Initialize the ordinal number of the device to -1 */
549 fsa_dev_ptr = &aac->fsa_dev;
550 for (container = 0; container < MAXIMUM_NUM_CONTAINERS; container++)
551 fsa_dev_ptr->devname[container][0] = '\0';
553 if ((*aac_drivers[index].init)(aac))
557 * If we had set a smaller DMA mask earlier, set it to 4gig
558 * now since the adapter can dma data to at least a 4gig
561 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
562 if (pci_set_dma_mask(pdev, 0xFFFFFFFFULL))
565 aac_get_adapter_info(aac);
568 * max channel will be the physical channels plus 1 virtual channel
569 * all containers are on the virtual channel 0
570 * physical channels are address by their actual physical number+1
572 if (aac->nondasd_support == 1)
573 shost->max_channel = aac_drivers[index].channels+1;
575 shost->max_channel = 1;
577 aac_get_containers(aac);
578 aac_devices[aac_count-1] = aac;
581 * dmb - we may need to move the setting of these parms somewhere else once
582 * we get a fib that can report the actual numbers
584 shost->max_id = MAXIMUM_NUM_CONTAINERS;
585 shost->max_lun = AAC_MAX_LUN;
587 error = scsi_add_host(shost, &pdev->dev);
591 pci_set_drvdata(pdev, shost);
592 scsi_scan_host(shost);
597 kill_proc(aac->thread_pid, SIGKILL, 0);
598 wait_for_completion(&aac->aif_completion);
600 aac_send_shutdown(aac);
602 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, aac->comm_phys);
604 free_irq(pdev->irq, aac);
605 iounmap((void * )aac->regs.sa);
609 scsi_host_put(shost);
611 pci_disable_device(pdev);
617 static void __devexit aac_remove_one(struct pci_dev *pdev)
619 struct Scsi_Host *shost = pci_get_drvdata(pdev);
620 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
622 scsi_remove_host(shost);
624 kill_proc(aac->thread_pid, SIGKILL, 0);
625 wait_for_completion(&aac->aif_completion);
627 aac_send_shutdown(aac);
629 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
633 free_irq(pdev->irq, aac);
634 iounmap((void * )aac->regs.sa);
638 scsi_host_put(shost);
639 pci_disable_device(pdev);
642 * We don't decrement aac_count here because adapters can be unplugged
643 * in a different order than they were detected. If we're ever going
644 * to overflow MAXIMUM_NUM_ADAPTERS we'll have to consider using a
645 * bintmap of free aac_devices slots.
652 static struct pci_driver aac_pci_driver = {
653 .name = AAC_DRIVERNAME,
654 .id_table = aac_pci_tbl,
655 .probe = aac_probe_one,
656 .remove = __devexit_p(aac_remove_one),
659 static int __init aac_init(void)
663 printk(KERN_INFO "Red Hat/Adaptec aacraid driver (%s %s)\n",
664 AAC_DRIVER_VERSION, AAC_DRIVER_BUILD_DATE);
666 error = pci_module_init(&aac_pci_driver);
670 aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops);
671 if (aac_cfg_major < 0) {
673 "aacraid: unable to register \"aac\" device.\n");
676 register_ioctl32_conversion(FSACTL_MINIPORT_REV_CHECK, NULL);
677 register_ioctl32_conversion(FSACTL_SENDFIB, NULL);
678 register_ioctl32_conversion(FSACTL_OPEN_GET_ADAPTER_FIB, NULL);
679 register_ioctl32_conversion(FSACTL_GET_NEXT_ADAPTER_FIB,
680 aac_get_next_adapter_fib_ioctl);
681 register_ioctl32_conversion(FSACTL_CLOSE_GET_ADAPTER_FIB, NULL);
682 register_ioctl32_conversion(FSACTL_SEND_RAW_SRB, NULL);
683 register_ioctl32_conversion(FSACTL_GET_PCI_INFO, NULL);
684 register_ioctl32_conversion(FSACTL_QUERY_DISK, NULL);
685 register_ioctl32_conversion(FSACTL_DELETE_DISK, NULL);
686 register_ioctl32_conversion(FSACTL_FORCE_DELETE_DISK, NULL);
687 register_ioctl32_conversion(FSACTL_GET_CONTAINERS, NULL);
693 static void __exit aac_exit(void)
696 unregister_ioctl32_conversion(FSACTL_MINIPORT_REV_CHECK);
697 unregister_ioctl32_conversion(FSACTL_SENDFIB);
698 unregister_ioctl32_conversion(FSACTL_OPEN_GET_ADAPTER_FIB);
699 unregister_ioctl32_conversion(FSACTL_GET_NEXT_ADAPTER_FIB);
700 unregister_ioctl32_conversion(FSACTL_CLOSE_GET_ADAPTER_FIB);
701 unregister_ioctl32_conversion(FSACTL_SEND_RAW_SRB);
702 unregister_ioctl32_conversion(FSACTL_GET_PCI_INFO);
703 unregister_ioctl32_conversion(FSACTL_QUERY_DISK);
704 unregister_ioctl32_conversion(FSACTL_DELETE_DISK);
705 unregister_ioctl32_conversion(FSACTL_FORCE_DELETE_DISK);
706 unregister_ioctl32_conversion(FSACTL_GET_CONTAINERS);
708 unregister_chrdev(aac_cfg_major, "aac");
709 pci_unregister_driver(&aac_pci_driver);
712 module_init(aac_init);
713 module_exit(aac_exit);