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[SCSI] update spi transport class so that u320 Domain Validation works
[linux-2.6-block.git] / drivers / scsi / aacraid / linit.c
CommitLineData
1da177e4
LT		 1/*
2 * Adaptec AAC series RAID controller driver
3 * (c) Copyright 2001 Red Hat Inc. <alan@redhat.com>
4 *
5 * based on the old aacraid driver that is..
6 * Adaptec aacraid device driver for Linux.
7 *
8 * Copyright (c) 2000 Adaptec, Inc. (aacraid@adaptec.com)
9 *
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)
13 * any later version.
14 *
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.
19 *
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.
23 *
24 * Module Name:
25 * linit.c
26 *
27 * Abstract: Linux Driver entry module for Adaptec RAID Array Controller
28 */
29
30#define AAC_DRIVER_VERSION "1.1.2-lk2"
31#define AAC_DRIVER_BUILD_DATE __DATE__
32#define AAC_DRIVERNAME "aacraid"
33
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 <linux/smp_lock.h>
49#include <asm/semaphore.h>
50
51#include <scsi/scsi.h>
52#include <scsi/scsi_cmnd.h>
53#include <scsi/scsi_device.h>
54#include <scsi/scsi_host.h>
55#include <scsi/scsi_tcq.h>
56#include <scsi/scsicam.h>
57#include <scsi/scsi_eh.h>
58
59#include "aacraid.h"
60
61
62MODULE_AUTHOR("Red Hat Inc and Adaptec");
63MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
64 "Adaptec Advanced Raid Products, "
65 "and HP NetRAID-4M SCSI driver");
66MODULE_LICENSE("GPL");
67MODULE_VERSION(AAC_DRIVER_VERSION);
68
69static LIST_HEAD(aac_devices);
70static int aac_cfg_major = -1;
71
72/*
73 * Because of the way Linux names scsi devices, the order in this table has
74 * become important. Check for on-board Raid first, add-in cards second.
75 *
76 * Note: The last field is used to index into aac_drivers below.
77 */
78static struct pci_device_id aac_pci_tbl[] = {
79 { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */
80 { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */
81 { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */
82 { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
83 { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */
84 { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */
85 { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
86 { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */
87 { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */
88 { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */
89 { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */
90 { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */
91 { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */
92 { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */
93 { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */
94 { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */
95
96 { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */
97 { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */
98 { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
99 { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
100 { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
101 { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */
102 { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */
103 { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */
104 { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */
105 { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 25 }, /* Callisto Jupiter Platform */
106 { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 26 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
107 { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 27 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
108 { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 28 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
109 { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 29 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
110 { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 30 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
111 { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 31 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
112 { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 32 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
113 { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 33 }, /* AAR-2610SA PCI SATA 6ch */
114 { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 34 }, /* ASR-2240S (SabreExpress) */
115 { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 35 }, /* ASR-4005SAS */
116 { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 36 }, /* IBM 8i (AvonPark) */
117 { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 37 }, /* ASR-4000SAS (BlackBird) */
118 { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 38 }, /* ASR-4800SAS (Marauder-X) */
119 { 0x9005, 0x0285, 0x9005, 0x029A, 0, 0, 39 }, /* ASR-4805SAS (Marauder-E) */
120
121 { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 40 }, /* Perc 320/DC*/
122 { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 41 }, /* Adaptec 5400S (Mustang)*/
123 { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 42 }, /* Adaptec 5400S (Mustang)*/
124 { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 43 }, /* Dell PERC2/QC */
125 { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 44 }, /* HP NetRAID-4M */
126
127 { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 45 }, /* Dell Catchall */
128 { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 46 }, /* Legend Catchall */
129 { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 47 }, /* Adaptec Catch All */
130 { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 48 }, /* Adaptec Rocket Catch All */
131 { 0,}
132};
133MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
134
135/*
136 * dmb - For now we add the number of channels to this structure.
137 * In the future we should add a fib that reports the number of channels
138 * for the card. At that time we can remove the channels from here
139 */
140static struct aac_driver_ident aac_drivers[] = {
141 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 2/Si (Iguana/PERC2Si) */
142 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Opal/PERC3Di) */
143 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Si (SlimFast/PERC3Si */
144 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
145 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Viper/PERC3DiV) */
146 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Lexus/PERC3DiL) */
147 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
148 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Dagger/PERC3DiD) */
149 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Boxster/PERC3DiB) */
150 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* catapult */
151 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* tomcat */
152 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2120S (Crusader) */
153 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan) */
154 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan-2m) */
155 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend S220 (Legend Crusader) */
156 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend S230 (Legend Vulcan) */
157
158 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */
159 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */
160 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
161 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
162 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
163 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
164 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 }, /* AAR-2820SA (Intruder) */
165 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 }, /* AAR-2620SA (Intruder) */
166 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 }, /* AAR-2420SA (Intruder) */
167 { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
168 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
169 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
170 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
171 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
172 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
173 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
174 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
175 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 }, /* SATA 6Ch (Bearcat) */
176 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 }, /* ASR-2240S (SabreExpress) */
177 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005SAS ", 1 }, /* ASR-4005SAS */
178 { aac_rx_init, "aacraid", "IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */
179 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000SAS ", 1 }, /* ASR-4000SAS (BlackBird & AvonPark) */
180 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 }, /* ASR-4800SAS (Marauder-X) */
181 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 }, /* ASR-4805SAS (Marauder-E) */
182
183 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
184 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
185 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
186 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Dell PERC2/QC */
187 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
188
189 { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Dell Catchall */
190 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend Catchall */
191 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec Catch All */
192 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 } /* Adaptec Rocket Catch All */
193};
194
195/**
196 * aac_queuecommand - queue a SCSI command
197 * @cmd: SCSI command to queue
198 * @done: Function to call on command completion
199 *
200 * Queues a command for execution by the associated Host Adapter.
201 *
202 * TODO: unify with aac_scsi_cmd().
203 */
204
205static int aac_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
206{
207 cmd->scsi_done = done;
208 return (aac_scsi_cmd(cmd) ? FAILED : 0);
209}
210
211/**
212 * aac_info - Returns the host adapter name
213 * @shost: Scsi host to report on
214 *
215 * Returns a static string describing the device in question
216 */
217
4833869e 218static const char *aac_info(struct Scsi_Host *shost)
1da177e4
LT		 219{
220 struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
221 return aac_drivers[dev->cardtype].name;
222}
223
224/**
225 * aac_get_driver_ident
226 * @devtype: index into lookup table
227 *
228 * Returns a pointer to the entry in the driver lookup table.
229 */
230
231struct aac_driver_ident* aac_get_driver_ident(int devtype)
232{
233 return &aac_drivers[devtype];
234}
235
236/**
237 * aac_biosparm - return BIOS parameters for disk
238 * @sdev: The scsi device corresponding to the disk
239 * @bdev: the block device corresponding to the disk
240 * @capacity: the sector capacity of the disk
241 * @geom: geometry block to fill in
242 *
243 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
244 * The default disk geometry is 64 heads, 32 sectors, and the appropriate
245 * number of cylinders so as not to exceed drive capacity. In order for
246 * disks equal to or larger than 1 GB to be addressable by the BIOS
247 * without exceeding the BIOS limitation of 1024 cylinders, Extended
248 * Translation should be enabled. With Extended Translation enabled,
249 * drives between 1 GB inclusive and 2 GB exclusive are given a disk
250 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
251 * are given a disk geometry of 255 heads and 63 sectors. However, if
252 * the BIOS detects that the Extended Translation setting does not match
253 * the geometry in the partition table, then the translation inferred
254 * from the partition table will be used by the BIOS, and a warning may
255 * be displayed.
256 */
257
258static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
259 sector_t capacity, int *geom)
260{
261 struct diskparm *param = (struct diskparm *)geom;
262 unsigned char *buf;
263
264 dprintk((KERN_DEBUG "aac_biosparm.\n"));
265
266 /*
267 * Assuming extended translation is enabled - #REVISIT#
268 */
269 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
270 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
271 param->heads = 255;
272 param->sectors = 63;
273 } else {
274 param->heads = 128;
275 param->sectors = 32;
276 }
277 } else {
278 param->heads = 64;
279 param->sectors = 32;
280 }
281
282 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
283
284 /*
285 * Read the first 1024 bytes from the disk device, if the boot
286 * sector partition table is valid, search for a partition table
287 * entry whose end_head matches one of the standard geometry
288 * translations ( 64/32, 128/32, 255/63 ).
289 */
290 buf = scsi_bios_ptable(bdev);
56b58712 291 if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
1da177e4
LT		 292 struct partition *first = (struct partition * )buf;
293 struct partition *entry = first;
294 int saved_cylinders = param->cylinders;
295 int num;
296 unsigned char end_head, end_sec;
297
298 for(num = 0; num < 4; num++) {
299 end_head = entry->end_head;
300 end_sec = entry->end_sector & 0x3f;
301
302 if(end_head == 63) {
303 param->heads = 64;
304 param->sectors = 32;
305 break;
306 } else if(end_head == 127) {
307 param->heads = 128;
308 param->sectors = 32;
309 break;
310 } else if(end_head == 254) {
311 param->heads = 255;
312 param->sectors = 63;
313 break;
314 }
315 entry++;
316 }
317
318 if (num == 4) {
319 end_head = first->end_head;
320 end_sec = first->end_sector & 0x3f;
321 }
322
323 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
324 if (num < 4 && end_sec == param->sectors) {
325 if (param->cylinders != saved_cylinders)
326 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
327 param->heads, param->sectors, num));
328 } else if (end_head > 0 || end_sec > 0) {
329 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
330 end_head + 1, end_sec, num));
331 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
332 param->heads, param->sectors));
333 }
334 }
335 kfree(buf);
336 return 0;
337}
338
339/**
340 * aac_slave_configure - compute queue depths
341 * @sdev: SCSI device we are considering
342 *
343 * Selects queue depths for each target device based on the host adapter's
344 * total capacity and the queue depth supported by the target device.
345 * A queue depth of one automatically disables tagged queueing.
346 */
347
348static int aac_slave_configure(struct scsi_device *sdev)
349{
7c00ffa3
MH		 350 struct Scsi_Host *host = sdev->host;
351
1da177e4
LT		 352 if (sdev->tagged_supported)
353 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, 128);
354 else
355 scsi_adjust_queue_depth(sdev, 0, 1);
7c00ffa3
MH		 356
357 if (host->max_sectors < AAC_MAX_32BIT_SGBCOUNT)
358 blk_queue_max_segment_size(sdev->request_queue, 65536);
359
1da177e4
LT		 360 return 0;
361}
362
363static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
364{
365 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
366 return aac_do_ioctl(dev, cmd, arg);
367}
368
369/*
370 * XXX: does aac really need no error handling??
371 */
372static int aac_eh_abort(struct scsi_cmnd *cmd)
373{
374 return FAILED;
375}
376
377/*
378 * aac_eh_reset - Reset command handling
379 * @scsi_cmd: SCSI command block causing the reset
380 *
381 */
382static int aac_eh_reset(struct scsi_cmnd* cmd)
383{
384 struct scsi_device * dev = cmd->device;
385 struct Scsi_Host * host = dev->host;
386 struct scsi_cmnd * command;
387 int count;
388 struct aac_dev * aac;
389 unsigned long flags;
390
391 printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
392 AAC_DRIVERNAME);
393
394
395 aac = (struct aac_dev *)host->hostdata;
396 if (aac_adapter_check_health(aac)) {
397 printk(KERN_ERR "%s: Host adapter appears dead\n",
398 AAC_DRIVERNAME);
399 return -ENODEV;
400 }
401 /*
402 * Wait for all commands to complete to this specific
403 * target (block maximum 60 seconds).
404 */
405 for (count = 60; count; --count) {
406 int active = 0;
407 __shost_for_each_device(dev, host) {
408 spin_lock_irqsave(&dev->list_lock, flags);
409 list_for_each_entry(command, &dev->cmd_list, list) {
410 if (command->serial_number) {
411 active++;
412 break;
413 }
414 }
415 spin_unlock_irqrestore(&dev->list_lock, flags);
416 if (active)
417 break;
418
419 }
420 /*
421 * We can exit If all the commands are complete
422 */
423 if (active == 0)
424 return SUCCESS;
425 spin_unlock_irq(host->host_lock);
426 ssleep(1);
427 spin_lock_irq(host->host_lock);
428 }
429 printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
430 return -ETIMEDOUT;
431}
432
433/**
434 * aac_cfg_open - open a configuration file
435 * @inode: inode being opened
436 * @file: file handle attached
437 *
438 * Called when the configuration device is opened. Does the needed
439 * set up on the handle and then returns
440 *
441 * Bugs: This needs extending to check a given adapter is present
442 * so we can support hot plugging, and to ref count adapters.
443 */
444
445static int aac_cfg_open(struct inode *inode, struct file *file)
446{
447 struct aac_dev *aac;
7c00ffa3 448 unsigned minor_number = iminor(inode);
1da177e4
LT		 449 int err = -ENODEV;
450
451 list_for_each_entry(aac, &aac_devices, entry) {
7c00ffa3 452 if (aac->id == minor_number) {
1da177e4
LT		 453 file->private_data = aac;
454 err = 0;
455 break;
456 }
457 }
458
036d6184 459 return err;
1da177e4
LT		 460}
461
462/**
463 * aac_cfg_ioctl - AAC configuration request
464 * @inode: inode of device
465 * @file: file handle
466 * @cmd: ioctl command code
467 * @arg: argument
468 *
469 * Handles a configuration ioctl. Currently this involves wrapping it
470 * up and feeding it into the nasty windowsalike glue layer.
471 *
472 * Bugs: Needs locking against parallel ioctls lower down
473 * Bugs: Needs to handle hot plugging
474 */
475
476static int aac_cfg_ioctl(struct inode *inode, struct file *file,
477 unsigned int cmd, unsigned long arg)
478{
479 return aac_do_ioctl(file->private_data, cmd, (void __user *)arg);
480}
481
482#ifdef CONFIG_COMPAT
483static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
484{
485 long ret;
486 lock_kernel();
487 switch (cmd) {
488 case FSACTL_MINIPORT_REV_CHECK:
489 case FSACTL_SENDFIB:
490 case FSACTL_OPEN_GET_ADAPTER_FIB:
491 case FSACTL_CLOSE_GET_ADAPTER_FIB:
492 case FSACTL_SEND_RAW_SRB:
493 case FSACTL_GET_PCI_INFO:
494 case FSACTL_QUERY_DISK:
495 case FSACTL_DELETE_DISK:
496 case FSACTL_FORCE_DELETE_DISK:
497 case FSACTL_GET_CONTAINERS:
7c00ffa3 498 case FSACTL_SEND_LARGE_FIB:
1da177e4
LT		 499 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
500 break;
501
502 case FSACTL_GET_NEXT_ADAPTER_FIB: {
503 struct fib_ioctl __user *f;
504
505 f = compat_alloc_user_space(sizeof(*f));
506 ret = 0;
507 if (clear_user(f, sizeof(*f) != sizeof(*f)))
508 ret = -EFAULT;
509 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
510 ret = -EFAULT;
511 if (!ret)
512 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
513 break;
514 }
515
516 default:
517 ret = -ENOIOCTLCMD;
518 break;
519 }
520 unlock_kernel();
521 return ret;
522}
523
524static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
525{
526 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
527 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
528}
529
530static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
531{
532 return aac_compat_do_ioctl((struct aac_dev *)file->private_data, cmd, arg);
533}
534#endif
535
536static struct file_operations aac_cfg_fops = {
537 .owner = THIS_MODULE,
538 .ioctl = aac_cfg_ioctl,
539#ifdef CONFIG_COMPAT
540 .compat_ioctl = aac_compat_cfg_ioctl,
541#endif
542 .open = aac_cfg_open,
543};
544
545static struct scsi_host_template aac_driver_template = {
546 .module = THIS_MODULE,
547 .name = "AAC",
7c00ffa3 548 .proc_name = AAC_DRIVERNAME,
1da177e4
LT		 549 .info = aac_info,
550 .ioctl = aac_ioctl,
551#ifdef CONFIG_COMPAT
552 .compat_ioctl = aac_compat_ioctl,
553#endif
554 .queuecommand = aac_queuecommand,
555 .bios_param = aac_biosparm,
556 .slave_configure = aac_slave_configure,
557 .eh_abort_handler = aac_eh_abort,
558 .eh_host_reset_handler = aac_eh_reset,
559 .can_queue = AAC_NUM_IO_FIB,
560 .this_id = 16,
561 .sg_tablesize = 16,
562 .max_sectors = 128,
563#if (AAC_NUM_IO_FIB > 256)
564 .cmd_per_lun = 256,
565#else
566 .cmd_per_lun = AAC_NUM_IO_FIB,
567#endif
568 .use_clustering = ENABLE_CLUSTERING,
569};
570
571
572static int __devinit aac_probe_one(struct pci_dev *pdev,
573 const struct pci_device_id *id)
574{
575 unsigned index = id->driver_data;
576 struct Scsi_Host *shost;
577 struct aac_dev *aac;
578 struct list_head *insert = &aac_devices;
579 int error = -ENODEV;
580 int unique_id = 0;
581
582 list_for_each_entry(aac, &aac_devices, entry) {
583 if (aac->id > unique_id)
584 break;
585 insert = &aac->entry;
586 unique_id++;
587 }
588
589 if (pci_enable_device(pdev))
590 goto out;
591
592 if (pci_set_dma_mask(pdev, 0xFFFFFFFFULL) ||
593 pci_set_consistent_dma_mask(pdev, 0xFFFFFFFFULL))
594 goto out;
595 /*
596 * If the quirk31 bit is set, the adapter needs adapter
597 * to driver communication memory to be allocated below 2gig
598 */
599 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
600 if (pci_set_dma_mask(pdev, 0x7FFFFFFFULL) ||
601 pci_set_consistent_dma_mask(pdev, 0x7FFFFFFFULL))
602 goto out;
603
604 pci_set_master(pdev);
605
606 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
607 if (!shost)
608 goto out_disable_pdev;
609
610 shost->irq = pdev->irq;
611 shost->base = pci_resource_start(pdev, 0);
612 shost->unique_id = unique_id;
613
614 aac = (struct aac_dev *)shost->hostdata;
615 aac->scsi_host_ptr = shost;
616 aac->pdev = pdev;
617 aac->name = aac_driver_template.name;
618 aac->id = shost->unique_id;
619 aac->cardtype = index;
620 INIT_LIST_HEAD(&aac->entry);
621
7c00ffa3 622 aac->fibs = kmalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
1da177e4
LT		 623 if (!aac->fibs)
624 goto out_free_host;
625 spin_lock_init(&aac->fib_lock);
626
627 if ((*aac_drivers[index].init)(aac))
628 goto out_free_fibs;
629
630 /*
631 * If we had set a smaller DMA mask earlier, set it to 4gig
632 * now since the adapter can dma data to at least a 4gig
633 * address space.
634 */
635 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
636 if (pci_set_dma_mask(pdev, 0xFFFFFFFFULL))
637 goto out_free_fibs;
638
639 aac_get_adapter_info(aac);
640
641 /*
7c00ffa3
MH		 642 * Lets override negotiations and drop the maximum SG limit to 34
643 */
644 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
645 (aac->scsi_host_ptr->sg_tablesize > 34)) {
646 aac->scsi_host_ptr->sg_tablesize = 34;
647 aac->scsi_host_ptr->max_sectors
648 = (aac->scsi_host_ptr->sg_tablesize * 8) + 112;
649 }
650
651 /*
652 * Firware printf works only with older firmware.
653 */
654 if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
655 aac->printf_enabled = 1;
656 else
657 aac->printf_enabled = 0;
658
659 /*
1da177e4
LT		 660 * max channel will be the physical channels plus 1 virtual channel
661 * all containers are on the virtual channel 0
662 * physical channels are address by their actual physical number+1
663 */
664 if (aac->nondasd_support == 1)
665 shost->max_channel = aac_drivers[index].channels+1;
666 else
667 shost->max_channel = 1;
668
669 aac_get_config_status(aac);
670 aac_get_containers(aac);
671 list_add(&aac->entry, insert);
672
673 shost->max_id = aac->maximum_num_containers;
674 if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
675 shost->max_id = MAXIMUM_NUM_CONTAINERS;
676 else
677 shost->this_id = shost->max_id;
678
679 /*
680 * dmb - we may need to move the setting of these parms somewhere else once
681 * we get a fib that can report the actual numbers
682 */
683 shost->max_lun = AAC_MAX_LUN;
684
685 pci_set_drvdata(pdev, shost);
686
687 error = scsi_add_host(shost, &pdev->dev);
688 if (error)
689 goto out_deinit;
690 scsi_scan_host(shost);
691
692 return 0;
693
694out_deinit:
695 kill_proc(aac->thread_pid, SIGKILL, 0);
696 wait_for_completion(&aac->aif_completion);
697
698 aac_send_shutdown(aac);
699 fib_map_free(aac);
700 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, aac->comm_phys);
701 kfree(aac->queues);
702 free_irq(pdev->irq, aac);
703 iounmap(aac->regs.sa);
704 out_free_fibs:
705 kfree(aac->fibs);
706 kfree(aac->fsa_dev);
707 out_free_host:
708 scsi_host_put(shost);
709 out_disable_pdev:
710 pci_disable_device(pdev);
711 out:
712 return error;
713}
714
715static void __devexit aac_remove_one(struct pci_dev *pdev)
716{
717 struct Scsi_Host *shost = pci_get_drvdata(pdev);
718 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
719
720 scsi_remove_host(shost);
721
722 kill_proc(aac->thread_pid, SIGKILL, 0);
723 wait_for_completion(&aac->aif_completion);
724
725 aac_send_shutdown(aac);
726 fib_map_free(aac);
727 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
728 aac->comm_phys);
729 kfree(aac->queues);
730
731 free_irq(pdev->irq, aac);
732 iounmap(aac->regs.sa);
733
734 kfree(aac->fibs);
735
736 list_del(&aac->entry);
737 scsi_host_put(shost);
738 pci_disable_device(pdev);
739}
740
741static struct pci_driver aac_pci_driver = {
742 .name = AAC_DRIVERNAME,
743 .id_table = aac_pci_tbl,
744 .probe = aac_probe_one,
745 .remove = __devexit_p(aac_remove_one),
746};
747
748static int __init aac_init(void)
749{
750 int error;
751
752 printk(KERN_INFO "Red Hat/Adaptec aacraid driver (%s %s)\n",
753 AAC_DRIVER_VERSION, AAC_DRIVER_BUILD_DATE);
754
755 error = pci_module_init(&aac_pci_driver);
756 if (error)
757 return error;
758
759 aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops);
760 if (aac_cfg_major < 0) {
761 printk(KERN_WARNING
762 "aacraid: unable to register \"aac\" device.\n");
763 }
764 return 0;
765}
766
767static void __exit aac_exit(void)
768{
769 unregister_chrdev(aac_cfg_major, "aac");
770 pci_unregister_driver(&aac_pci_driver);
771}
772
773module_init(aac_init);
774module_exit(aac_exit);
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