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 <linux/smp_lock.h>
49 #include <asm/semaphore.h>
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>
62 MODULE_AUTHOR("Red Hat Inc and Adaptec");
63 MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
64 "Adaptec Advanced Raid Products, "
65 "and HP NetRAID-4M SCSI driver");
66 MODULE_LICENSE("GPL");
67 MODULE_VERSION(AAC_DRIVER_VERSION);
69 static LIST_HEAD(aac_devices);
70 static int aac_cfg_major = -1;
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.
76 * Note: The last field is used to index into aac_drivers below.
78 static 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) */
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, 0x029e, 0, 0, 25 }, /* ICP9024R0 (Lancer) */
106 { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014R0 (Lancer) */
107 { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */
108 { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */
109 { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5085AU (Hurricane) */
110 { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
111 { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
112 { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 32 }, /* Themisto Jupiter Platform */
113 { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 32 }, /* Themisto Jupiter Platform */
114 { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 33 }, /* Callisto Jupiter Platform */
115 { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 34 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
116 { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 35 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
117 { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 36 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
118 { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 37 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
119 { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 38 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
120 { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 39 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
121 { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 40 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
122 { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 41 }, /* AAR-2610SA PCI SATA 6ch */
123 { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 42 }, /* ASR-2240S (SabreExpress) */
124 { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 43 }, /* ASR-4005SAS */
125 { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 44 }, /* IBM 8i (AvonPark) */
126 { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 44 }, /* IBM 8i (AvonPark Lite) */
127 { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 45 }, /* ASR-4000SAS (BlackBird) */
128 { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 46 }, /* ASR-4800SAS (Marauder-X) */
129 { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 47 }, /* ASR-4805SAS (Marauder-E) */
130 { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 48 }, /* ASR-4810SAS (Hurricane */
132 { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 49 }, /* Perc 320/DC*/
133 { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 50 }, /* Adaptec 5400S (Mustang)*/
134 { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 51 }, /* Adaptec 5400S (Mustang)*/
135 { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 52 }, /* Dell PERC2/QC */
136 { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 53 }, /* HP NetRAID-4M */
138 { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 54 }, /* Dell Catchall */
139 { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 55 }, /* Legend Catchall */
140 { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 56 }, /* Adaptec Catch All */
141 { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 57 }, /* Adaptec Rocket Catch All */
144 MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
147 * dmb - For now we add the number of channels to this structure.
148 * In the future we should add a fib that reports the number of channels
149 * for the card. At that time we can remove the channels from here
151 static struct aac_driver_ident aac_drivers[] = {
152 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 2/Si (Iguana/PERC2Si) */
153 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Opal/PERC3Di) */
154 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Si (SlimFast/PERC3Si */
155 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
156 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Viper/PERC3DiV) */
157 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Lexus/PERC3DiL) */
158 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
159 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Dagger/PERC3DiD) */
160 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Boxster/PERC3DiB) */
161 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* catapult */
162 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* tomcat */
163 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2120S (Crusader) */
164 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan) */
165 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan-2m) */
166 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend S220 (Legend Crusader) */
167 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend S230 (Legend Vulcan) */
169 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */
170 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */
171 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
172 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
173 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
174 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
175 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 }, /* AAR-2820SA (Intruder) */
176 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 }, /* AAR-2620SA (Intruder) */
177 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 }, /* AAR-2420SA (Intruder) */
178 { aac_rkt_init, "aacraid", "ICP ", "ICP9024R0 ", 2 }, /* ICP9024R0 (Lancer) */
179 { aac_rkt_init, "aacraid", "ICP ", "ICP9014R0 ", 1 }, /* ICP9014R0 (Lancer) */
180 { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 }, /* ICP9047MA (Lancer) */
181 { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 }, /* ICP9087MA (Lancer) */
182 { aac_rkt_init, "aacraid", "ICP ", "ICP5085AU ", 1 }, /* ICP5085AU (Hurricane) */
183 { aac_rkt_init, "aacraid", "ICP ", "ICP9085LI ", 1 }, /* ICP9085LI (Marauder-X) */
184 { aac_rkt_init, "aacraid", "ICP ", "ICP5085BR ", 1 }, /* ICP5085BR (Marauder-E) */
185 { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
186 { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
187 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
188 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
189 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
190 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
191 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
192 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
193 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
194 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 }, /* SATA 6Ch (Bearcat) */
195 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 }, /* ASR-2240S (SabreExpress) */
196 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005SAS ", 1 }, /* ASR-4005SAS */
197 { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */
198 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000SAS ", 1 }, /* ASR-4000SAS (BlackBird & AvonPark) */
199 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 }, /* ASR-4800SAS (Marauder-X) */
200 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 }, /* ASR-4805SAS (Marauder-E) */
201 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4810SAS ", 1 }, /* ASR-4810SAS (Hurricane) */
203 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
204 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
205 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
206 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Dell PERC2/QC */
207 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
209 { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Dell Catchall */
210 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend Catchall */
211 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec Catch All */
212 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 } /* Adaptec Rocket Catch All */
216 * aac_queuecommand - queue a SCSI command
217 * @cmd: SCSI command to queue
218 * @done: Function to call on command completion
220 * Queues a command for execution by the associated Host Adapter.
222 * TODO: unify with aac_scsi_cmd().
225 static int aac_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
227 cmd->scsi_done = done;
228 return (aac_scsi_cmd(cmd) ? FAILED : 0);
232 * aac_info - Returns the host adapter name
233 * @shost: Scsi host to report on
235 * Returns a static string describing the device in question
238 static const char *aac_info(struct Scsi_Host *shost)
240 struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
241 return aac_drivers[dev->cardtype].name;
245 * aac_get_driver_ident
246 * @devtype: index into lookup table
248 * Returns a pointer to the entry in the driver lookup table.
251 struct aac_driver_ident* aac_get_driver_ident(int devtype)
253 return &aac_drivers[devtype];
257 * aac_biosparm - return BIOS parameters for disk
258 * @sdev: The scsi device corresponding to the disk
259 * @bdev: the block device corresponding to the disk
260 * @capacity: the sector capacity of the disk
261 * @geom: geometry block to fill in
263 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
264 * The default disk geometry is 64 heads, 32 sectors, and the appropriate
265 * number of cylinders so as not to exceed drive capacity. In order for
266 * disks equal to or larger than 1 GB to be addressable by the BIOS
267 * without exceeding the BIOS limitation of 1024 cylinders, Extended
268 * Translation should be enabled. With Extended Translation enabled,
269 * drives between 1 GB inclusive and 2 GB exclusive are given a disk
270 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
271 * are given a disk geometry of 255 heads and 63 sectors. However, if
272 * the BIOS detects that the Extended Translation setting does not match
273 * the geometry in the partition table, then the translation inferred
274 * from the partition table will be used by the BIOS, and a warning may
278 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
279 sector_t capacity, int *geom)
281 struct diskparm *param = (struct diskparm *)geom;
284 dprintk((KERN_DEBUG "aac_biosparm.\n"));
287 * Assuming extended translation is enabled - #REVISIT#
289 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
290 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
302 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
305 * Read the first 1024 bytes from the disk device, if the boot
306 * sector partition table is valid, search for a partition table
307 * entry whose end_head matches one of the standard geometry
308 * translations ( 64/32, 128/32, 255/63 ).
310 buf = scsi_bios_ptable(bdev);
311 if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
312 struct partition *first = (struct partition * )buf;
313 struct partition *entry = first;
314 int saved_cylinders = param->cylinders;
316 unsigned char end_head, end_sec;
318 for(num = 0; num < 4; num++) {
319 end_head = entry->end_head;
320 end_sec = entry->end_sector & 0x3f;
326 } else if(end_head == 127) {
330 } else if(end_head == 254) {
339 end_head = first->end_head;
340 end_sec = first->end_sector & 0x3f;
343 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
344 if (num < 4 && end_sec == param->sectors) {
345 if (param->cylinders != saved_cylinders)
346 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
347 param->heads, param->sectors, num));
348 } else if (end_head > 0 || end_sec > 0) {
349 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
350 end_head + 1, end_sec, num));
351 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
352 param->heads, param->sectors));
360 * aac_slave_configure - compute queue depths
361 * @sdev: SCSI device we are considering
363 * Selects queue depths for each target device based on the host adapter's
364 * total capacity and the queue depth supported by the target device.
365 * A queue depth of one automatically disables tagged queueing.
368 static int aac_slave_configure(struct scsi_device *sdev)
370 struct Scsi_Host *host = sdev->host;
372 if (sdev->tagged_supported)
373 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, 128);
375 scsi_adjust_queue_depth(sdev, 0, 1);
377 if (host->max_sectors < AAC_MAX_32BIT_SGBCOUNT)
378 blk_queue_max_segment_size(sdev->request_queue, 65536);
383 static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
385 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
386 return aac_do_ioctl(dev, cmd, arg);
390 * aac_eh_reset - Reset command handling
391 * @scsi_cmd: SCSI command block causing the reset
394 static int aac_eh_reset(struct scsi_cmnd* cmd)
396 struct scsi_device * dev = cmd->device;
397 struct Scsi_Host * host = dev->host;
398 struct scsi_cmnd * command;
400 struct aac_dev * aac;
403 printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
407 spin_lock_irq(host->host_lock);
409 aac = (struct aac_dev *)host->hostdata;
410 if (aac_adapter_check_health(aac)) {
411 printk(KERN_ERR "%s: Host adapter appears dead\n",
413 spin_unlock_irq(host->host_lock);
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 spin_unlock_irq(host->host_lock);
445 printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
450 * aac_cfg_open - open a configuration file
451 * @inode: inode being opened
452 * @file: file handle attached
454 * Called when the configuration device is opened. Does the needed
455 * set up on the handle and then returns
457 * Bugs: This needs extending to check a given adapter is present
458 * so we can support hot plugging, and to ref count adapters.
461 static int aac_cfg_open(struct inode *inode, struct file *file)
464 unsigned minor_number = iminor(inode);
467 list_for_each_entry(aac, &aac_devices, entry) {
468 if (aac->id == minor_number) {
469 file->private_data = aac;
479 * aac_cfg_ioctl - AAC configuration request
480 * @inode: inode of device
482 * @cmd: ioctl command code
485 * Handles a configuration ioctl. Currently this involves wrapping it
486 * up and feeding it into the nasty windowsalike glue layer.
488 * Bugs: Needs locking against parallel ioctls lower down
489 * Bugs: Needs to handle hot plugging
492 static int aac_cfg_ioctl(struct inode *inode, struct file *file,
493 unsigned int cmd, unsigned long arg)
495 return aac_do_ioctl(file->private_data, cmd, (void __user *)arg);
499 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
504 case FSACTL_MINIPORT_REV_CHECK:
506 case FSACTL_OPEN_GET_ADAPTER_FIB:
507 case FSACTL_CLOSE_GET_ADAPTER_FIB:
508 case FSACTL_SEND_RAW_SRB:
509 case FSACTL_GET_PCI_INFO:
510 case FSACTL_QUERY_DISK:
511 case FSACTL_DELETE_DISK:
512 case FSACTL_FORCE_DELETE_DISK:
513 case FSACTL_GET_CONTAINERS:
514 case FSACTL_SEND_LARGE_FIB:
515 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
518 case FSACTL_GET_NEXT_ADAPTER_FIB: {
519 struct fib_ioctl __user *f;
521 f = compat_alloc_user_space(sizeof(*f));
523 if (clear_user(f, sizeof(*f) != sizeof(*f)))
525 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
528 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
540 static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
542 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
543 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
546 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
548 return aac_compat_do_ioctl((struct aac_dev *)file->private_data, cmd, arg);
552 static ssize_t aac_show_model(struct class_device *class_dev,
555 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
558 len = snprintf(buf, PAGE_SIZE, "%s\n",
559 aac_drivers[dev->cardtype].model);
563 static ssize_t aac_show_vendor(struct class_device *class_dev,
566 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
569 len = snprintf(buf, PAGE_SIZE, "%s\n",
570 aac_drivers[dev->cardtype].vname);
574 static ssize_t aac_show_kernel_version(struct class_device *class_dev,
577 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
580 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
581 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
582 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
583 le32_to_cpu(dev->adapter_info.kernelbuild));
587 static ssize_t aac_show_monitor_version(struct class_device *class_dev,
590 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
593 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
594 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
595 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
596 le32_to_cpu(dev->adapter_info.monitorbuild));
600 static ssize_t aac_show_bios_version(struct class_device *class_dev,
603 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
606 tmp = le32_to_cpu(dev->adapter_info.biosrev);
607 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
608 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
609 le32_to_cpu(dev->adapter_info.biosbuild));
613 static ssize_t aac_show_serial_number(struct class_device *class_dev,
616 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
619 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
620 len = snprintf(buf, PAGE_SIZE, "%x\n",
621 le32_to_cpu(dev->adapter_info.serial[0]));
626 static struct class_device_attribute aac_model = {
631 .show = aac_show_model,
633 static struct class_device_attribute aac_vendor = {
638 .show = aac_show_vendor,
640 static struct class_device_attribute aac_kernel_version = {
642 .name = "hba_kernel_version",
645 .show = aac_show_kernel_version,
647 static struct class_device_attribute aac_monitor_version = {
649 .name = "hba_monitor_version",
652 .show = aac_show_monitor_version,
654 static struct class_device_attribute aac_bios_version = {
656 .name = "hba_bios_version",
659 .show = aac_show_bios_version,
661 static struct class_device_attribute aac_serial_number = {
663 .name = "serial_number",
666 .show = aac_show_serial_number,
669 static struct class_device_attribute *aac_attrs[] = {
673 &aac_monitor_version,
680 static struct file_operations aac_cfg_fops = {
681 .owner = THIS_MODULE,
682 .ioctl = aac_cfg_ioctl,
684 .compat_ioctl = aac_compat_cfg_ioctl,
686 .open = aac_cfg_open,
689 static struct scsi_host_template aac_driver_template = {
690 .module = THIS_MODULE,
692 .proc_name = AAC_DRIVERNAME,
696 .compat_ioctl = aac_compat_ioctl,
698 .queuecommand = aac_queuecommand,
699 .bios_param = aac_biosparm,
700 .shost_attrs = aac_attrs,
701 .slave_configure = aac_slave_configure,
702 .eh_host_reset_handler = aac_eh_reset,
703 .can_queue = AAC_NUM_IO_FIB,
704 .this_id = MAXIMUM_NUM_CONTAINERS,
707 #if (AAC_NUM_IO_FIB > 256)
710 .cmd_per_lun = AAC_NUM_IO_FIB,
712 .use_clustering = ENABLE_CLUSTERING,
716 static int __devinit aac_probe_one(struct pci_dev *pdev,
717 const struct pci_device_id *id)
719 unsigned index = id->driver_data;
720 struct Scsi_Host *shost;
722 struct list_head *insert = &aac_devices;
726 list_for_each_entry(aac, &aac_devices, entry) {
727 if (aac->id > unique_id)
729 insert = &aac->entry;
733 if (pci_enable_device(pdev))
736 if (pci_set_dma_mask(pdev, 0xFFFFFFFFULL) ||
737 pci_set_consistent_dma_mask(pdev, 0xFFFFFFFFULL))
740 * If the quirk31 bit is set, the adapter needs adapter
741 * to driver communication memory to be allocated below 2gig
743 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
744 if (pci_set_dma_mask(pdev, 0x7FFFFFFFULL) ||
745 pci_set_consistent_dma_mask(pdev, 0x7FFFFFFFULL))
748 pci_set_master(pdev);
750 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
752 goto out_disable_pdev;
754 shost->irq = pdev->irq;
755 shost->base = pci_resource_start(pdev, 0);
756 shost->unique_id = unique_id;
758 aac = (struct aac_dev *)shost->hostdata;
759 aac->scsi_host_ptr = shost;
761 aac->name = aac_driver_template.name;
762 aac->id = shost->unique_id;
763 aac->cardtype = index;
764 INIT_LIST_HEAD(&aac->entry);
766 aac->fibs = kmalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
769 spin_lock_init(&aac->fib_lock);
771 if ((*aac_drivers[index].init)(aac))
775 * If we had set a smaller DMA mask earlier, set it to 4gig
776 * now since the adapter can dma data to at least a 4gig
779 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
780 if (pci_set_dma_mask(pdev, 0xFFFFFFFFULL))
783 aac->maximum_num_channels = aac_drivers[index].channels;
784 aac_get_adapter_info(aac);
787 * Lets override negotiations and drop the maximum SG limit to 34
789 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
790 (aac->scsi_host_ptr->sg_tablesize > 34)) {
791 aac->scsi_host_ptr->sg_tablesize = 34;
792 aac->scsi_host_ptr->max_sectors
793 = (aac->scsi_host_ptr->sg_tablesize * 8) + 112;
797 * Firware printf works only with older firmware.
799 if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
800 aac->printf_enabled = 1;
802 aac->printf_enabled = 0;
805 * max channel will be the physical channels plus 1 virtual channel
806 * all containers are on the virtual channel 0
807 * physical channels are address by their actual physical number+1
809 if (aac->nondasd_support == 1)
810 shost->max_channel = aac->maximum_num_channels + 1;
812 shost->max_channel = 1;
814 aac_get_config_status(aac);
815 aac_get_containers(aac);
816 list_add(&aac->entry, insert);
818 shost->max_id = aac->maximum_num_containers;
819 if (shost->max_id < aac->maximum_num_physicals)
820 shost->max_id = aac->maximum_num_physicals;
821 if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
822 shost->max_id = MAXIMUM_NUM_CONTAINERS;
824 shost->this_id = shost->max_id;
827 * dmb - we may need to move the setting of these parms somewhere else once
828 * we get a fib that can report the actual numbers
830 shost->max_lun = AAC_MAX_LUN;
832 pci_set_drvdata(pdev, shost);
834 error = scsi_add_host(shost, &pdev->dev);
837 scsi_scan_host(shost);
842 kill_proc(aac->thread_pid, SIGKILL, 0);
843 wait_for_completion(&aac->aif_completion);
845 aac_send_shutdown(aac);
847 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, aac->comm_phys);
849 free_irq(pdev->irq, aac);
850 iounmap(aac->regs.sa);
855 scsi_host_put(shost);
857 pci_disable_device(pdev);
862 static void __devexit aac_remove_one(struct pci_dev *pdev)
864 struct Scsi_Host *shost = pci_get_drvdata(pdev);
865 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
867 scsi_remove_host(shost);
869 kill_proc(aac->thread_pid, SIGKILL, 0);
870 wait_for_completion(&aac->aif_completion);
872 aac_send_shutdown(aac);
874 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
878 free_irq(pdev->irq, aac);
879 iounmap(aac->regs.sa);
883 list_del(&aac->entry);
884 scsi_host_put(shost);
885 pci_disable_device(pdev);
888 static struct pci_driver aac_pci_driver = {
889 .name = AAC_DRIVERNAME,
890 .id_table = aac_pci_tbl,
891 .probe = aac_probe_one,
892 .remove = __devexit_p(aac_remove_one),
895 static int __init aac_init(void)
899 printk(KERN_INFO "Red Hat/Adaptec aacraid driver (%s %s)\n",
900 AAC_DRIVER_VERSION, AAC_DRIVER_BUILD_DATE);
902 error = pci_module_init(&aac_pci_driver);
906 aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops);
907 if (aac_cfg_major < 0) {
909 "aacraid: unable to register \"aac\" device.\n");
914 static void __exit aac_exit(void)
916 unregister_chrdev(aac_cfg_major, "aac");
917 pci_unregister_driver(&aac_pci_driver);
920 module_init(aac_init);
921 module_exit(aac_exit);