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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 | ||
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); | |
68 | ||
69 | static LIST_HEAD(aac_devices); | |
70 | static 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 | */ | |
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) */ | |
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 | }; | |
133 | MODULE_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 | */ | |
140 | static 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 | ||
205 | static 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 | 218 | static 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 | ||
231 | struct 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 | ||
258 | static 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); | |
291 | if(*(unsigned short *)(buf + 0x40) == cpu_to_le16(0xaa55)) { | |
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 | ||
348 | static int aac_slave_configure(struct scsi_device *sdev) | |
349 | { | |
350 | if (sdev->tagged_supported) | |
351 | scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, 128); | |
352 | else | |
353 | scsi_adjust_queue_depth(sdev, 0, 1); | |
354 | return 0; | |
355 | } | |
356 | ||
357 | static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg) | |
358 | { | |
359 | struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; | |
360 | return aac_do_ioctl(dev, cmd, arg); | |
361 | } | |
362 | ||
363 | /* | |
364 | * XXX: does aac really need no error handling?? | |
365 | */ | |
366 | static int aac_eh_abort(struct scsi_cmnd *cmd) | |
367 | { | |
368 | return FAILED; | |
369 | } | |
370 | ||
371 | /* | |
372 | * aac_eh_reset - Reset command handling | |
373 | * @scsi_cmd: SCSI command block causing the reset | |
374 | * | |
375 | */ | |
376 | static int aac_eh_reset(struct scsi_cmnd* cmd) | |
377 | { | |
378 | struct scsi_device * dev = cmd->device; | |
379 | struct Scsi_Host * host = dev->host; | |
380 | struct scsi_cmnd * command; | |
381 | int count; | |
382 | struct aac_dev * aac; | |
383 | unsigned long flags; | |
384 | ||
385 | printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n", | |
386 | AAC_DRIVERNAME); | |
387 | ||
388 | ||
389 | aac = (struct aac_dev *)host->hostdata; | |
390 | if (aac_adapter_check_health(aac)) { | |
391 | printk(KERN_ERR "%s: Host adapter appears dead\n", | |
392 | AAC_DRIVERNAME); | |
393 | return -ENODEV; | |
394 | } | |
395 | /* | |
396 | * Wait for all commands to complete to this specific | |
397 | * target (block maximum 60 seconds). | |
398 | */ | |
399 | for (count = 60; count; --count) { | |
400 | int active = 0; | |
401 | __shost_for_each_device(dev, host) { | |
402 | spin_lock_irqsave(&dev->list_lock, flags); | |
403 | list_for_each_entry(command, &dev->cmd_list, list) { | |
404 | if (command->serial_number) { | |
405 | active++; | |
406 | break; | |
407 | } | |
408 | } | |
409 | spin_unlock_irqrestore(&dev->list_lock, flags); | |
410 | if (active) | |
411 | break; | |
412 | ||
413 | } | |
414 | /* | |
415 | * We can exit If all the commands are complete | |
416 | */ | |
417 | if (active == 0) | |
418 | return SUCCESS; | |
419 | spin_unlock_irq(host->host_lock); | |
420 | ssleep(1); | |
421 | spin_lock_irq(host->host_lock); | |
422 | } | |
423 | printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME); | |
424 | return -ETIMEDOUT; | |
425 | } | |
426 | ||
427 | /** | |
428 | * aac_cfg_open - open a configuration file | |
429 | * @inode: inode being opened | |
430 | * @file: file handle attached | |
431 | * | |
432 | * Called when the configuration device is opened. Does the needed | |
433 | * set up on the handle and then returns | |
434 | * | |
435 | * Bugs: This needs extending to check a given adapter is present | |
436 | * so we can support hot plugging, and to ref count adapters. | |
437 | */ | |
438 | ||
439 | static int aac_cfg_open(struct inode *inode, struct file *file) | |
440 | { | |
441 | struct aac_dev *aac; | |
442 | unsigned minor = iminor(inode); | |
443 | int err = -ENODEV; | |
444 | ||
445 | list_for_each_entry(aac, &aac_devices, entry) { | |
446 | if (aac->id == minor) { | |
447 | file->private_data = aac; | |
448 | err = 0; | |
449 | break; | |
450 | } | |
451 | } | |
452 | ||
453 | return 0; | |
454 | } | |
455 | ||
456 | /** | |
457 | * aac_cfg_ioctl - AAC configuration request | |
458 | * @inode: inode of device | |
459 | * @file: file handle | |
460 | * @cmd: ioctl command code | |
461 | * @arg: argument | |
462 | * | |
463 | * Handles a configuration ioctl. Currently this involves wrapping it | |
464 | * up and feeding it into the nasty windowsalike glue layer. | |
465 | * | |
466 | * Bugs: Needs locking against parallel ioctls lower down | |
467 | * Bugs: Needs to handle hot plugging | |
468 | */ | |
469 | ||
470 | static int aac_cfg_ioctl(struct inode *inode, struct file *file, | |
471 | unsigned int cmd, unsigned long arg) | |
472 | { | |
473 | return aac_do_ioctl(file->private_data, cmd, (void __user *)arg); | |
474 | } | |
475 | ||
476 | #ifdef CONFIG_COMPAT | |
477 | static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg) | |
478 | { | |
479 | long ret; | |
480 | lock_kernel(); | |
481 | switch (cmd) { | |
482 | case FSACTL_MINIPORT_REV_CHECK: | |
483 | case FSACTL_SENDFIB: | |
484 | case FSACTL_OPEN_GET_ADAPTER_FIB: | |
485 | case FSACTL_CLOSE_GET_ADAPTER_FIB: | |
486 | case FSACTL_SEND_RAW_SRB: | |
487 | case FSACTL_GET_PCI_INFO: | |
488 | case FSACTL_QUERY_DISK: | |
489 | case FSACTL_DELETE_DISK: | |
490 | case FSACTL_FORCE_DELETE_DISK: | |
491 | case FSACTL_GET_CONTAINERS: | |
492 | ret = aac_do_ioctl(dev, cmd, (void __user *)arg); | |
493 | break; | |
494 | ||
495 | case FSACTL_GET_NEXT_ADAPTER_FIB: { | |
496 | struct fib_ioctl __user *f; | |
497 | ||
498 | f = compat_alloc_user_space(sizeof(*f)); | |
499 | ret = 0; | |
500 | if (clear_user(f, sizeof(*f) != sizeof(*f))) | |
501 | ret = -EFAULT; | |
502 | if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32))) | |
503 | ret = -EFAULT; | |
504 | if (!ret) | |
505 | ret = aac_do_ioctl(dev, cmd, (void __user *)arg); | |
506 | break; | |
507 | } | |
508 | ||
509 | default: | |
510 | ret = -ENOIOCTLCMD; | |
511 | break; | |
512 | } | |
513 | unlock_kernel(); | |
514 | return ret; | |
515 | } | |
516 | ||
517 | static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg) | |
518 | { | |
519 | struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; | |
520 | return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg); | |
521 | } | |
522 | ||
523 | static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg) | |
524 | { | |
525 | return aac_compat_do_ioctl((struct aac_dev *)file->private_data, cmd, arg); | |
526 | } | |
527 | #endif | |
528 | ||
529 | static struct file_operations aac_cfg_fops = { | |
530 | .owner = THIS_MODULE, | |
531 | .ioctl = aac_cfg_ioctl, | |
532 | #ifdef CONFIG_COMPAT | |
533 | .compat_ioctl = aac_compat_cfg_ioctl, | |
534 | #endif | |
535 | .open = aac_cfg_open, | |
536 | }; | |
537 | ||
538 | static struct scsi_host_template aac_driver_template = { | |
539 | .module = THIS_MODULE, | |
540 | .name = "AAC", | |
541 | .proc_name = "aacraid", | |
542 | .info = aac_info, | |
543 | .ioctl = aac_ioctl, | |
544 | #ifdef CONFIG_COMPAT | |
545 | .compat_ioctl = aac_compat_ioctl, | |
546 | #endif | |
547 | .queuecommand = aac_queuecommand, | |
548 | .bios_param = aac_biosparm, | |
549 | .slave_configure = aac_slave_configure, | |
550 | .eh_abort_handler = aac_eh_abort, | |
551 | .eh_host_reset_handler = aac_eh_reset, | |
552 | .can_queue = AAC_NUM_IO_FIB, | |
553 | .this_id = 16, | |
554 | .sg_tablesize = 16, | |
555 | .max_sectors = 128, | |
556 | #if (AAC_NUM_IO_FIB > 256) | |
557 | .cmd_per_lun = 256, | |
558 | #else | |
559 | .cmd_per_lun = AAC_NUM_IO_FIB, | |
560 | #endif | |
561 | .use_clustering = ENABLE_CLUSTERING, | |
562 | }; | |
563 | ||
564 | ||
565 | static int __devinit aac_probe_one(struct pci_dev *pdev, | |
566 | const struct pci_device_id *id) | |
567 | { | |
568 | unsigned index = id->driver_data; | |
569 | struct Scsi_Host *shost; | |
570 | struct aac_dev *aac; | |
571 | struct list_head *insert = &aac_devices; | |
572 | int error = -ENODEV; | |
573 | int unique_id = 0; | |
574 | ||
575 | list_for_each_entry(aac, &aac_devices, entry) { | |
576 | if (aac->id > unique_id) | |
577 | break; | |
578 | insert = &aac->entry; | |
579 | unique_id++; | |
580 | } | |
581 | ||
582 | if (pci_enable_device(pdev)) | |
583 | goto out; | |
584 | ||
585 | if (pci_set_dma_mask(pdev, 0xFFFFFFFFULL) || | |
586 | pci_set_consistent_dma_mask(pdev, 0xFFFFFFFFULL)) | |
587 | goto out; | |
588 | /* | |
589 | * If the quirk31 bit is set, the adapter needs adapter | |
590 | * to driver communication memory to be allocated below 2gig | |
591 | */ | |
592 | if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) | |
593 | if (pci_set_dma_mask(pdev, 0x7FFFFFFFULL) || | |
594 | pci_set_consistent_dma_mask(pdev, 0x7FFFFFFFULL)) | |
595 | goto out; | |
596 | ||
597 | pci_set_master(pdev); | |
598 | ||
599 | shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev)); | |
600 | if (!shost) | |
601 | goto out_disable_pdev; | |
602 | ||
603 | shost->irq = pdev->irq; | |
604 | shost->base = pci_resource_start(pdev, 0); | |
605 | shost->unique_id = unique_id; | |
606 | ||
607 | aac = (struct aac_dev *)shost->hostdata; | |
608 | aac->scsi_host_ptr = shost; | |
609 | aac->pdev = pdev; | |
610 | aac->name = aac_driver_template.name; | |
611 | aac->id = shost->unique_id; | |
612 | aac->cardtype = index; | |
613 | INIT_LIST_HEAD(&aac->entry); | |
614 | ||
615 | aac->fibs = kmalloc(sizeof(struct fib) * AAC_NUM_FIB, GFP_KERNEL); | |
616 | if (!aac->fibs) | |
617 | goto out_free_host; | |
618 | spin_lock_init(&aac->fib_lock); | |
619 | ||
620 | if ((*aac_drivers[index].init)(aac)) | |
621 | goto out_free_fibs; | |
622 | ||
623 | /* | |
624 | * If we had set a smaller DMA mask earlier, set it to 4gig | |
625 | * now since the adapter can dma data to at least a 4gig | |
626 | * address space. | |
627 | */ | |
628 | if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) | |
629 | if (pci_set_dma_mask(pdev, 0xFFFFFFFFULL)) | |
630 | goto out_free_fibs; | |
631 | ||
632 | aac_get_adapter_info(aac); | |
633 | ||
634 | /* | |
635 | * max channel will be the physical channels plus 1 virtual channel | |
636 | * all containers are on the virtual channel 0 | |
637 | * physical channels are address by their actual physical number+1 | |
638 | */ | |
639 | if (aac->nondasd_support == 1) | |
640 | shost->max_channel = aac_drivers[index].channels+1; | |
641 | else | |
642 | shost->max_channel = 1; | |
643 | ||
644 | aac_get_config_status(aac); | |
645 | aac_get_containers(aac); | |
646 | list_add(&aac->entry, insert); | |
647 | ||
648 | shost->max_id = aac->maximum_num_containers; | |
649 | if (shost->max_id < MAXIMUM_NUM_CONTAINERS) | |
650 | shost->max_id = MAXIMUM_NUM_CONTAINERS; | |
651 | else | |
652 | shost->this_id = shost->max_id; | |
653 | ||
654 | /* | |
655 | * dmb - we may need to move the setting of these parms somewhere else once | |
656 | * we get a fib that can report the actual numbers | |
657 | */ | |
658 | shost->max_lun = AAC_MAX_LUN; | |
659 | ||
660 | pci_set_drvdata(pdev, shost); | |
661 | ||
662 | error = scsi_add_host(shost, &pdev->dev); | |
663 | if (error) | |
664 | goto out_deinit; | |
665 | scsi_scan_host(shost); | |
666 | ||
667 | return 0; | |
668 | ||
669 | out_deinit: | |
670 | kill_proc(aac->thread_pid, SIGKILL, 0); | |
671 | wait_for_completion(&aac->aif_completion); | |
672 | ||
673 | aac_send_shutdown(aac); | |
674 | fib_map_free(aac); | |
675 | pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, aac->comm_phys); | |
676 | kfree(aac->queues); | |
677 | free_irq(pdev->irq, aac); | |
678 | iounmap(aac->regs.sa); | |
679 | out_free_fibs: | |
680 | kfree(aac->fibs); | |
681 | kfree(aac->fsa_dev); | |
682 | out_free_host: | |
683 | scsi_host_put(shost); | |
684 | out_disable_pdev: | |
685 | pci_disable_device(pdev); | |
686 | out: | |
687 | return error; | |
688 | } | |
689 | ||
690 | static void __devexit aac_remove_one(struct pci_dev *pdev) | |
691 | { | |
692 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
693 | struct aac_dev *aac = (struct aac_dev *)shost->hostdata; | |
694 | ||
695 | scsi_remove_host(shost); | |
696 | ||
697 | kill_proc(aac->thread_pid, SIGKILL, 0); | |
698 | wait_for_completion(&aac->aif_completion); | |
699 | ||
700 | aac_send_shutdown(aac); | |
701 | fib_map_free(aac); | |
702 | pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, | |
703 | aac->comm_phys); | |
704 | kfree(aac->queues); | |
705 | ||
706 | free_irq(pdev->irq, aac); | |
707 | iounmap(aac->regs.sa); | |
708 | ||
709 | kfree(aac->fibs); | |
710 | ||
711 | list_del(&aac->entry); | |
712 | scsi_host_put(shost); | |
713 | pci_disable_device(pdev); | |
714 | } | |
715 | ||
716 | static struct pci_driver aac_pci_driver = { | |
717 | .name = AAC_DRIVERNAME, | |
718 | .id_table = aac_pci_tbl, | |
719 | .probe = aac_probe_one, | |
720 | .remove = __devexit_p(aac_remove_one), | |
721 | }; | |
722 | ||
723 | static int __init aac_init(void) | |
724 | { | |
725 | int error; | |
726 | ||
727 | printk(KERN_INFO "Red Hat/Adaptec aacraid driver (%s %s)\n", | |
728 | AAC_DRIVER_VERSION, AAC_DRIVER_BUILD_DATE); | |
729 | ||
730 | error = pci_module_init(&aac_pci_driver); | |
731 | if (error) | |
732 | return error; | |
733 | ||
734 | aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops); | |
735 | if (aac_cfg_major < 0) { | |
736 | printk(KERN_WARNING | |
737 | "aacraid: unable to register \"aac\" device.\n"); | |
738 | } | |
739 | return 0; | |
740 | } | |
741 | ||
742 | static void __exit aac_exit(void) | |
743 | { | |
744 | unregister_chrdev(aac_cfg_major, "aac"); | |
745 | pci_unregister_driver(&aac_pci_driver); | |
746 | } | |
747 | ||
748 | module_init(aac_init); | |
749 | module_exit(aac_exit); |