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 <linux/delay.h>
48 #include <asm/semaphore.h>
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>
61 MODULE_AUTHOR("Red Hat Inc and Adaptec");
62 MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
63 "Adaptec Advanced Raid Products, "
64 "and HP NetRAID-4M SCSI driver");
65 MODULE_LICENSE("GPL");
66 MODULE_VERSION(AAC_DRIVER_VERSION);
68 static LIST_HEAD(aac_devices);
69 static int aac_cfg_major = -1;
72 * Because of the way Linux names scsi devices, the order in this table has
73 * become important. Check for on-board Raid first, add-in cards second.
75 * Note: The last field is used to index into aac_drivers below.
77 static struct pci_device_id aac_pci_tbl[] = {
78 { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */
79 { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */
80 { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */
81 { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
82 { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */
83 { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */
84 { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
85 { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */
86 { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */
87 { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */
88 { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */
89 { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */
90 { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */
91 { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */
92 { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */
93 { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */
95 { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */
96 { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */
97 { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
98 { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
99 { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
100 { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */
101 { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */
102 { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */
103 { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */
104 { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 25 }, /* Callisto Jupiter Platform */
105 { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 26 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
106 { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 27 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
107 { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 28 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
108 { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 29 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
109 { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 30 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
110 { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 31 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
111 { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 32 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
112 { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 33 }, /* AAR-2610SA PCI SATA 6ch */
113 { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 34 }, /* ASR-2240S (SabreExpress) */
114 { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 35 }, /* ASR-4005SAS */
115 { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 36 }, /* IBM 8i (AvonPark) */
116 { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 37 }, /* ASR-4000SAS (BlackBird) */
117 { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 38 }, /* ASR-4800SAS (Marauder-X) */
118 { 0x9005, 0x0285, 0x9005, 0x029A, 0, 0, 39 }, /* ASR-4805SAS (Marauder-E) */
120 { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 40 }, /* Perc 320/DC*/
121 { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 41 }, /* Adaptec 5400S (Mustang)*/
122 { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 42 }, /* Adaptec 5400S (Mustang)*/
123 { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 43 }, /* Dell PERC2/QC */
124 { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 44 }, /* HP NetRAID-4M */
126 { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 45 }, /* Dell Catchall */
127 { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 46 }, /* Legend Catchall */
128 { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 47 }, /* Adaptec Catch All */
129 { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 48 }, /* Adaptec Rocket Catch All */
132 MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
135 * dmb - For now we add the number of channels to this structure.
136 * In the future we should add a fib that reports the number of channels
137 * for the card. At that time we can remove the channels from here
139 static struct aac_driver_ident aac_drivers[] = {
140 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 2/Si (Iguana/PERC2Si) */
141 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Opal/PERC3Di) */
142 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Si (SlimFast/PERC3Si */
143 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
144 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Viper/PERC3DiV) */
145 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Lexus/PERC3DiL) */
146 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
147 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Dagger/PERC3DiD) */
148 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Boxster/PERC3DiB) */
149 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* catapult */
150 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* tomcat */
151 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2120S (Crusader) */
152 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan) */
153 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan-2m) */
154 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend S220 (Legend Crusader) */
155 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend S230 (Legend Vulcan) */
157 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */
158 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */
159 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
160 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
161 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
162 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
163 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 }, /* AAR-2820SA (Intruder) */
164 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 }, /* AAR-2620SA (Intruder) */
165 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 }, /* AAR-2420SA (Intruder) */
166 { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
167 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
168 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
169 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
170 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
171 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
172 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
173 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
174 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 }, /* SATA 6Ch (Bearcat) */
175 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 }, /* ASR-2240S (SabreExpress) */
176 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005SAS ", 1 }, /* ASR-4005SAS */
177 { aac_rx_init, "aacraid", "IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */
178 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000SAS ", 1 }, /* ASR-4000SAS (BlackBird & AvonPark) */
179 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 }, /* ASR-4800SAS (Marauder-X) */
180 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 }, /* ASR-4805SAS (Marauder-E) */
182 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
183 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
184 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
185 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Dell PERC2/QC */
186 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
188 { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Dell Catchall */
189 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend Catchall */
190 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec Catch All */
191 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 } /* Adaptec Rocket Catch All */
196 * Promote 32 bit apps that call get_next_adapter_fib_ioctl to 64 bit version
198 static int aac_get_next_adapter_fib_ioctl(unsigned int fd, unsigned int cmd,
199 unsigned long arg, struct file *file)
201 struct fib_ioctl __user *f;
203 f = compat_alloc_user_space(sizeof(*f));
204 if (!access_ok(VERIFY_WRITE, f, sizeof(*f)))
207 clear_user(f, sizeof(*f));
208 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
211 return sys_ioctl(fd, cmd, (unsigned long)f);
217 * aac_queuecommand - queue a SCSI command
218 * @cmd: SCSI command to queue
219 * @done: Function to call on command completion
221 * Queues a command for execution by the associated Host Adapter.
223 * TODO: unify with aac_scsi_cmd().
226 static int aac_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
228 cmd->scsi_done = done;
229 return (aac_scsi_cmd(cmd) ? FAILED : 0);
233 * aac_info - Returns the host adapter name
234 * @shost: Scsi host to report on
236 * Returns a static string describing the device in question
239 const char *aac_info(struct Scsi_Host *shost)
241 struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
242 return aac_drivers[dev->cardtype].name;
246 * aac_get_driver_ident
247 * @devtype: index into lookup table
249 * Returns a pointer to the entry in the driver lookup table.
252 struct aac_driver_ident* aac_get_driver_ident(int devtype)
254 return &aac_drivers[devtype];
258 * aac_biosparm - return BIOS parameters for disk
259 * @sdev: The scsi device corresponding to the disk
260 * @bdev: the block device corresponding to the disk
261 * @capacity: the sector capacity of the disk
262 * @geom: geometry block to fill in
264 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
265 * The default disk geometry is 64 heads, 32 sectors, and the appropriate
266 * number of cylinders so as not to exceed drive capacity. In order for
267 * disks equal to or larger than 1 GB to be addressable by the BIOS
268 * without exceeding the BIOS limitation of 1024 cylinders, Extended
269 * Translation should be enabled. With Extended Translation enabled,
270 * drives between 1 GB inclusive and 2 GB exclusive are given a disk
271 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
272 * are given a disk geometry of 255 heads and 63 sectors. However, if
273 * the BIOS detects that the Extended Translation setting does not match
274 * the geometry in the partition table, then the translation inferred
275 * from the partition table will be used by the BIOS, and a warning may
279 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
280 sector_t capacity, int *geom)
282 struct diskparm *param = (struct diskparm *)geom;
285 dprintk((KERN_DEBUG "aac_biosparm.\n"));
288 * Assuming extended translation is enabled - #REVISIT#
290 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
291 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
303 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
306 * Read the first 1024 bytes from the disk device, if the boot
307 * sector partition table is valid, search for a partition table
308 * entry whose end_head matches one of the standard geometry
309 * translations ( 64/32, 128/32, 255/63 ).
311 buf = scsi_bios_ptable(bdev);
312 if(*(unsigned short *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
313 struct partition *first = (struct partition * )buf;
314 struct partition *entry = first;
315 int saved_cylinders = param->cylinders;
317 unsigned char end_head, end_sec;
319 for(num = 0; num < 4; num++) {
320 end_head = entry->end_head;
321 end_sec = entry->end_sector & 0x3f;
327 } else if(end_head == 127) {
331 } else if(end_head == 254) {
340 end_head = first->end_head;
341 end_sec = first->end_sector & 0x3f;
344 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
345 if (num < 4 && end_sec == param->sectors) {
346 if (param->cylinders != saved_cylinders)
347 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
348 param->heads, param->sectors, num));
349 } else if (end_head > 0 || end_sec > 0) {
350 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
351 end_head + 1, end_sec, num));
352 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
353 param->heads, param->sectors));
361 * aac_slave_configure - compute queue depths
362 * @sdev: SCSI device we are considering
364 * Selects queue depths for each target device based on the host adapter's
365 * total capacity and the queue depth supported by the target device.
366 * A queue depth of one automatically disables tagged queueing.
369 static int aac_slave_configure(struct scsi_device *sdev)
371 if (sdev->tagged_supported)
372 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, 128);
374 scsi_adjust_queue_depth(sdev, 0, 1);
378 static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
380 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
381 return aac_do_ioctl(dev, cmd, arg);
385 * XXX: does aac really need no error handling??
387 static int aac_eh_abort(struct scsi_cmnd *cmd)
393 * aac_eh_reset - Reset command handling
394 * @scsi_cmd: SCSI command block causing the reset
397 static int aac_eh_reset(struct scsi_cmnd* cmd)
399 struct scsi_device * dev = cmd->device;
400 struct Scsi_Host * host = dev->host;
401 struct scsi_cmnd * command;
403 struct aac_dev * aac;
406 printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
410 aac = (struct aac_dev *)host->hostdata;
411 if (aac_adapter_check_health(aac)) {
412 printk(KERN_ERR "%s: Host adapter appears dead\n",
417 * Wait for all commands to complete to this specific
418 * target (block maximum 60 seconds).
420 for (count = 60; count; --count) {
422 __shost_for_each_device(dev, host) {
423 spin_lock_irqsave(&dev->list_lock, flags);
424 list_for_each_entry(command, &dev->cmd_list, list) {
425 if (command->serial_number) {
430 spin_unlock_irqrestore(&dev->list_lock, flags);
436 * We can exit If all the commands are complete
440 spin_unlock_irq(host->host_lock);
442 spin_lock_irq(host->host_lock);
444 printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
449 * aac_cfg_open - open a configuration file
450 * @inode: inode being opened
451 * @file: file handle attached
453 * Called when the configuration device is opened. Does the needed
454 * set up on the handle and then returns
456 * Bugs: This needs extending to check a given adapter is present
457 * so we can support hot plugging, and to ref count adapters.
460 static int aac_cfg_open(struct inode *inode, struct file *file)
463 unsigned minor = iminor(inode);
466 list_for_each_entry(aac, &aac_devices, entry) {
467 if (aac->id == minor) {
468 file->private_data = aac;
478 * aac_cfg_ioctl - AAC configuration request
479 * @inode: inode of device
481 * @cmd: ioctl command code
484 * Handles a configuration ioctl. Currently this involves wrapping it
485 * up and feeding it into the nasty windowsalike glue layer.
487 * Bugs: Needs locking against parallel ioctls lower down
488 * Bugs: Needs to handle hot plugging
491 static int aac_cfg_ioctl(struct inode *inode, struct file *file,
492 unsigned int cmd, unsigned long arg)
494 return aac_do_ioctl(file->private_data, cmd, (void __user *)arg);
497 static struct file_operations aac_cfg_fops = {
498 .owner = THIS_MODULE,
499 .ioctl = aac_cfg_ioctl,
500 .open = aac_cfg_open,
503 static struct scsi_host_template aac_driver_template = {
504 .module = THIS_MODULE,
506 .proc_name = "aacraid",
509 .queuecommand = aac_queuecommand,
510 .bios_param = aac_biosparm,
511 .slave_configure = aac_slave_configure,
512 .eh_abort_handler = aac_eh_abort,
513 .eh_host_reset_handler = aac_eh_reset,
514 .can_queue = AAC_NUM_IO_FIB,
518 #if (AAC_NUM_IO_FIB > 256)
521 .cmd_per_lun = AAC_NUM_IO_FIB,
523 .use_clustering = ENABLE_CLUSTERING,
527 static int __devinit aac_probe_one(struct pci_dev *pdev,
528 const struct pci_device_id *id)
530 unsigned index = id->driver_data;
531 struct Scsi_Host *shost;
533 struct list_head *insert = &aac_devices;
537 list_for_each_entry(aac, &aac_devices, entry) {
538 if (aac->id > unique_id) {
539 insert = &aac->entry;
545 if (pci_enable_device(pdev))
548 if (pci_set_dma_mask(pdev, 0xFFFFFFFFULL) ||
549 pci_set_consistent_dma_mask(pdev, 0xFFFFFFFFULL))
552 * If the quirk31 bit is set, the adapter needs adapter
553 * to driver communication memory to be allocated below 2gig
555 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
556 if (pci_set_dma_mask(pdev, 0x7FFFFFFFULL) ||
557 pci_set_consistent_dma_mask(pdev, 0x7FFFFFFFULL))
560 pci_set_master(pdev);
562 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
564 goto out_disable_pdev;
566 shost->irq = pdev->irq;
567 shost->base = pci_resource_start(pdev, 0);
568 shost->unique_id = unique_id;
570 aac = (struct aac_dev *)shost->hostdata;
571 aac->scsi_host_ptr = shost;
573 aac->name = aac_driver_template.name;
574 aac->id = shost->unique_id;
575 aac->cardtype = index;
576 INIT_LIST_HEAD(&aac->entry);
578 aac->fibs = kmalloc(sizeof(struct fib) * AAC_NUM_FIB, GFP_KERNEL);
581 spin_lock_init(&aac->fib_lock);
583 if ((*aac_drivers[index].init)(aac))
587 * If we had set a smaller DMA mask earlier, set it to 4gig
588 * now since the adapter can dma data to at least a 4gig
591 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
592 if (pci_set_dma_mask(pdev, 0xFFFFFFFFULL))
595 aac_get_adapter_info(aac);
598 * max channel will be the physical channels plus 1 virtual channel
599 * all containers are on the virtual channel 0
600 * physical channels are address by their actual physical number+1
602 if (aac->nondasd_support == 1)
603 shost->max_channel = aac_drivers[index].channels+1;
605 shost->max_channel = 1;
607 aac_get_config_status(aac);
608 aac_get_containers(aac);
609 list_add(&aac->entry, insert);
611 shost->max_id = aac->maximum_num_containers;
612 if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
613 shost->max_id = MAXIMUM_NUM_CONTAINERS;
615 shost->this_id = shost->max_id;
618 * dmb - we may need to move the setting of these parms somewhere else once
619 * we get a fib that can report the actual numbers
621 shost->max_lun = AAC_MAX_LUN;
623 pci_set_drvdata(pdev, shost);
625 error = scsi_add_host(shost, &pdev->dev);
628 scsi_scan_host(shost);
633 kill_proc(aac->thread_pid, SIGKILL, 0);
634 wait_for_completion(&aac->aif_completion);
636 aac_send_shutdown(aac);
638 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, aac->comm_phys);
640 free_irq(pdev->irq, aac);
641 iounmap(aac->regs.sa);
646 scsi_host_put(shost);
648 pci_disable_device(pdev);
653 static void __devexit aac_remove_one(struct pci_dev *pdev)
655 struct Scsi_Host *shost = pci_get_drvdata(pdev);
656 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
658 scsi_remove_host(shost);
660 kill_proc(aac->thread_pid, SIGKILL, 0);
661 wait_for_completion(&aac->aif_completion);
663 aac_send_shutdown(aac);
665 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
669 free_irq(pdev->irq, aac);
670 iounmap(aac->regs.sa);
674 list_del(&aac->entry);
675 scsi_host_put(shost);
676 pci_disable_device(pdev);
679 static struct pci_driver aac_pci_driver = {
680 .name = AAC_DRIVERNAME,
681 .id_table = aac_pci_tbl,
682 .probe = aac_probe_one,
683 .remove = __devexit_p(aac_remove_one),
686 static int __init aac_init(void)
690 printk(KERN_INFO "Red Hat/Adaptec aacraid driver (%s %s)\n",
691 AAC_DRIVER_VERSION, AAC_DRIVER_BUILD_DATE);
693 error = pci_module_init(&aac_pci_driver);
697 aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops);
698 if (aac_cfg_major < 0) {
700 "aacraid: unable to register \"aac\" device.\n");
703 register_ioctl32_conversion(FSACTL_MINIPORT_REV_CHECK, NULL);
704 register_ioctl32_conversion(FSACTL_SENDFIB, NULL);
705 register_ioctl32_conversion(FSACTL_OPEN_GET_ADAPTER_FIB, NULL);
706 register_ioctl32_conversion(FSACTL_GET_NEXT_ADAPTER_FIB,
707 aac_get_next_adapter_fib_ioctl);
708 register_ioctl32_conversion(FSACTL_CLOSE_GET_ADAPTER_FIB, NULL);
709 register_ioctl32_conversion(FSACTL_SEND_RAW_SRB, NULL);
710 register_ioctl32_conversion(FSACTL_GET_PCI_INFO, NULL);
711 register_ioctl32_conversion(FSACTL_QUERY_DISK, NULL);
712 register_ioctl32_conversion(FSACTL_DELETE_DISK, NULL);
713 register_ioctl32_conversion(FSACTL_FORCE_DELETE_DISK, NULL);
714 register_ioctl32_conversion(FSACTL_GET_CONTAINERS, NULL);
720 static void __exit aac_exit(void)
723 unregister_ioctl32_conversion(FSACTL_MINIPORT_REV_CHECK);
724 unregister_ioctl32_conversion(FSACTL_SENDFIB);
725 unregister_ioctl32_conversion(FSACTL_OPEN_GET_ADAPTER_FIB);
726 unregister_ioctl32_conversion(FSACTL_GET_NEXT_ADAPTER_FIB);
727 unregister_ioctl32_conversion(FSACTL_CLOSE_GET_ADAPTER_FIB);
728 unregister_ioctl32_conversion(FSACTL_SEND_RAW_SRB);
729 unregister_ioctl32_conversion(FSACTL_GET_PCI_INFO);
730 unregister_ioctl32_conversion(FSACTL_QUERY_DISK);
731 unregister_ioctl32_conversion(FSACTL_DELETE_DISK);
732 unregister_ioctl32_conversion(FSACTL_FORCE_DELETE_DISK);
733 unregister_ioctl32_conversion(FSACTL_GET_CONTAINERS);
735 unregister_chrdev(aac_cfg_major, "aac");
736 pci_unregister_driver(&aac_pci_driver);
739 module_init(aac_init);
740 module_exit(aac_exit);