Version:  2.0.40 2.2.26 2.4.37 3.5 3.6 3.7 3.8 3.9 3.10 3.11 3.12 3.13 3.14 3.15 3.16 3.17 3.18 3.19 4.0 4.1

Linux/drivers/scsi/aacraid/linit.c

  1 /*
  2  *      Adaptec AAC series RAID controller driver
  3  *      (c) Copyright 2001 Red Hat Inc.
  4  *
  5  * based on the old aacraid driver that is..
  6  * Adaptec aacraid device driver for Linux.
  7  *
  8  * Copyright (c) 2000-2010 Adaptec, Inc.
  9  *               2010 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
 10  *
 11  * This program is free software; you can redistribute it and/or modify
 12  * it under the terms of the GNU General Public License as published by
 13  * the Free Software Foundation; either version 2, or (at your option)
 14  * any later version.
 15  *
 16  * This program is distributed in the hope that it will be useful,
 17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
 18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 19  * GNU General Public License for more details.
 20  *
 21  * You should have received a copy of the GNU General Public License
 22  * along with this program; see the file COPYING.  If not, write to
 23  * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
 24  *
 25  * Module Name:
 26  *   linit.c
 27  *
 28  * Abstract: Linux Driver entry module for Adaptec RAID Array Controller
 29  */
 30 
 31 
 32 #include <linux/compat.h>
 33 #include <linux/blkdev.h>
 34 #include <linux/completion.h>
 35 #include <linux/init.h>
 36 #include <linux/interrupt.h>
 37 #include <linux/kernel.h>
 38 #include <linux/module.h>
 39 #include <linux/moduleparam.h>
 40 #include <linux/pci.h>
 41 #include <linux/pci-aspm.h>
 42 #include <linux/slab.h>
 43 #include <linux/mutex.h>
 44 #include <linux/spinlock.h>
 45 #include <linux/syscalls.h>
 46 #include <linux/delay.h>
 47 #include <linux/kthread.h>
 48 
 49 #include <scsi/scsi.h>
 50 #include <scsi/scsi_cmnd.h>
 51 #include <scsi/scsi_device.h>
 52 #include <scsi/scsi_host.h>
 53 #include <scsi/scsi_tcq.h>
 54 #include <scsi/scsicam.h>
 55 #include <scsi/scsi_eh.h>
 56 
 57 #include "aacraid.h"
 58 
 59 #define AAC_DRIVER_VERSION              "1.2-1"
 60 #ifndef AAC_DRIVER_BRANCH
 61 #define AAC_DRIVER_BRANCH               ""
 62 #endif
 63 #define AAC_DRIVERNAME                  "aacraid"
 64 
 65 #ifdef AAC_DRIVER_BUILD
 66 #define _str(x) #x
 67 #define str(x) _str(x)
 68 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH
 69 #else
 70 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH
 71 #endif
 72 
 73 MODULE_AUTHOR("Red Hat Inc and Adaptec");
 74 MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
 75                    "Adaptec Advanced Raid Products, "
 76                    "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver");
 77 MODULE_LICENSE("GPL");
 78 MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
 79 
 80 static DEFINE_MUTEX(aac_mutex);
 81 static LIST_HEAD(aac_devices);
 82 static int aac_cfg_major = -1;
 83 char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
 84 
 85 /*
 86  * Because of the way Linux names scsi devices, the order in this table has
 87  * become important.  Check for on-board Raid first, add-in cards second.
 88  *
 89  * Note: The last field is used to index into aac_drivers below.
 90  */
 91 static const struct pci_device_id aac_pci_tbl[] = {
 92         { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */
 93         { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */
 94         { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */
 95         { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
 96         { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */
 97         { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */
 98         { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
 99         { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */
100         { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */
101         { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */
102         { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */
103         { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */
104         { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */
105         { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */
106         { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */
107         { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */
108 
109         { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */
110         { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */
111         { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
112         { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
113         { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
114         { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */
115         { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */
116         { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */
117         { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */
118         { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */
119         { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */
120         { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */
121         { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */
122         { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */
123         { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
124         { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
125         { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */
126         { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */
127         { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */
128         { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */
129         { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
130         { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
131         { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
132         { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
133         { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
134         { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
135         { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
136         { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */
137         { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */
138         { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */
139         { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */
140         { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */
141         { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */
142         { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */
143         { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */
144         { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */
145         { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */
146         { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */
147 
148         { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/
149         { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/
150         { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/
151         { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */
152         { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */
153 
154         { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */
155         { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */
156         { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */
157         { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */
158         { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */
159         { 0x9005, 0x028b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 62 }, /* Adaptec PMC Series 6 (Tupelo) */
160         { 0x9005, 0x028c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 63 }, /* Adaptec PMC Series 7 (Denali) */
161         { 0x9005, 0x028d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 64 }, /* Adaptec PMC Series 8 */
162         { 0x9005, 0x028f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 65 }, /* Adaptec PMC Series 9 */
163         { 0,}
164 };
165 MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
166 
167 /*
168  * dmb - For now we add the number of channels to this structure.
169  * In the future we should add a fib that reports the number of channels
170  * for the card.  At that time we can remove the channels from here
171  */
172 static struct aac_driver_ident aac_drivers[] = {
173         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */
174         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */
175         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */
176         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
177         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */
178         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */
179         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
180         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */
181         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */
182         { aac_rx_init, "aacraid",  "ADAPTEC ", "catapult        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */
183         { aac_rx_init, "aacraid",  "ADAPTEC ", "tomcat          ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */
184         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2120S   ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG },                     /* Adaptec 2120S (Crusader) */
185         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2200S   ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG },                     /* Adaptec 2200S (Vulcan) */
186         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2200S   ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */
187         { aac_rx_init, "aacraid",  "Legend  ", "Legend S220     ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */
188         { aac_rx_init, "aacraid",  "Legend  ", "Legend S230     ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */
189 
190         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 3230S   ", 2 }, /* Adaptec 3230S (Harrier) */
191         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 3240S   ", 2 }, /* Adaptec 3240S (Tornado) */
192         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2020ZCR     ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
193         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2025ZCR     ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
194         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
195         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
196         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2820SA      ", 1 }, /* AAR-2820SA (Intruder) */
197         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2620SA      ", 1 }, /* AAR-2620SA (Intruder) */
198         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2420SA      ", 1 }, /* AAR-2420SA (Intruder) */
199         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9024RO       ", 2 }, /* ICP9024RO (Lancer) */
200         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9014RO       ", 1 }, /* ICP9014RO (Lancer) */
201         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9047MA       ", 1 }, /* ICP9047MA (Lancer) */
202         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9087MA       ", 1 }, /* ICP9087MA (Lancer) */
203         { aac_rkt_init, "aacraid",  "ICP     ", "ICP5445AU       ", 1 }, /* ICP5445AU (Hurricane44) */
204         { aac_rx_init, "aacraid",  "ICP     ", "ICP9085LI       ", 1 }, /* ICP9085LI (Marauder-X) */
205         { aac_rx_init, "aacraid",  "ICP     ", "ICP5085BR       ", 1 }, /* ICP5085BR (Marauder-E) */
206         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9067MA       ", 1 }, /* ICP9067MA (Intruder-6) */
207         { NULL        , "aacraid",  "ADAPTEC ", "Themisto        ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
208         { aac_rkt_init, "aacraid",  "ADAPTEC ", "Callisto        ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
209         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2020SA       ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
210         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2025SA       ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
211         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
212         { aac_rx_init, "aacraid",  "DELL    ", "CERC SR2        ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
213         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
214         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
215         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2026ZCR     ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
216         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2610SA      ", 1 }, /* SATA 6Ch (Bearcat) */
217         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2240S       ", 1 }, /* ASR-2240S (SabreExpress) */
218         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4005        ", 1 }, /* ASR-4005 */
219         { aac_rx_init, "ServeRAID","IBM     ", "ServeRAID 8i    ", 1 }, /* IBM 8i (AvonPark) */
220         { aac_rkt_init, "ServeRAID","IBM     ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */
221         { aac_rkt_init, "ServeRAID","IBM     ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */
222         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4000        ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */
223         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4800SAS     ", 1 }, /* ASR-4800SAS (Marauder-X) */
224         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4805SAS     ", 1 }, /* ASR-4805SAS (Marauder-E) */
225         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-3800        ", 1 }, /* ASR-3800 (Hurricane44) */
226 
227         { aac_rx_init, "percraid", "DELL    ", "PERC 320/DC     ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
228         { aac_sa_init, "aacraid",  "ADAPTEC ", "Adaptec 5400S   ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
229         { aac_sa_init, "aacraid",  "ADAPTEC ", "AAC-364         ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
230         { aac_sa_init, "percraid", "DELL    ", "PERCRAID        ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */
231         { aac_sa_init, "hpnraid",  "HP      ", "NetRAID         ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
232 
233         { aac_rx_init, "aacraid",  "DELL    ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */
234         { aac_rx_init, "aacraid",  "Legend  ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */
235         { aac_rx_init, "aacraid",  "ADAPTEC ", "RAID            ", 2 }, /* Adaptec Catch All */
236         { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID            ", 2 }, /* Adaptec Rocket Catch All */
237         { aac_nark_init, "aacraid", "ADAPTEC ", "RAID           ", 2 }, /* Adaptec NEMER/ARK Catch All */
238         { aac_src_init, "aacraid", "ADAPTEC ", "RAID            ", 2 }, /* Adaptec PMC Series 6 (Tupelo) */
239         { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID            ", 2 }, /* Adaptec PMC Series 7 (Denali) */
240         { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID            ", 2 }, /* Adaptec PMC Series 8 */
241         { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID            ", 2 } /* Adaptec PMC Series 9 */
242 };
243 
244 /**
245  *      aac_queuecommand        -       queue a SCSI command
246  *      @cmd:           SCSI command to queue
247  *      @done:          Function to call on command completion
248  *
249  *      Queues a command for execution by the associated Host Adapter.
250  *
251  *      TODO: unify with aac_scsi_cmd().
252  */
253 
254 static int aac_queuecommand(struct Scsi_Host *shost,
255                             struct scsi_cmnd *cmd)
256 {
257         int r = 0;
258         cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
259         r = (aac_scsi_cmd(cmd) ? FAILED : 0);
260         return r;
261 }
262 
263 /**
264  *      aac_info                -       Returns the host adapter name
265  *      @shost:         Scsi host to report on
266  *
267  *      Returns a static string describing the device in question
268  */
269 
270 static const char *aac_info(struct Scsi_Host *shost)
271 {
272         struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
273         return aac_drivers[dev->cardtype].name;
274 }
275 
276 /**
277  *      aac_get_driver_ident
278  *      @devtype: index into lookup table
279  *
280  *      Returns a pointer to the entry in the driver lookup table.
281  */
282 
283 struct aac_driver_ident* aac_get_driver_ident(int devtype)
284 {
285         return &aac_drivers[devtype];
286 }
287 
288 /**
289  *      aac_biosparm    -       return BIOS parameters for disk
290  *      @sdev: The scsi device corresponding to the disk
291  *      @bdev: the block device corresponding to the disk
292  *      @capacity: the sector capacity of the disk
293  *      @geom: geometry block to fill in
294  *
295  *      Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
296  *      The default disk geometry is 64 heads, 32 sectors, and the appropriate
297  *      number of cylinders so as not to exceed drive capacity.  In order for
298  *      disks equal to or larger than 1 GB to be addressable by the BIOS
299  *      without exceeding the BIOS limitation of 1024 cylinders, Extended
300  *      Translation should be enabled.   With Extended Translation enabled,
301  *      drives between 1 GB inclusive and 2 GB exclusive are given a disk
302  *      geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
303  *      are given a disk geometry of 255 heads and 63 sectors.  However, if
304  *      the BIOS detects that the Extended Translation setting does not match
305  *      the geometry in the partition table, then the translation inferred
306  *      from the partition table will be used by the BIOS, and a warning may
307  *      be displayed.
308  */
309 
310 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
311                         sector_t capacity, int *geom)
312 {
313         struct diskparm *param = (struct diskparm *)geom;
314         unsigned char *buf;
315 
316         dprintk((KERN_DEBUG "aac_biosparm.\n"));
317 
318         /*
319          *      Assuming extended translation is enabled - #REVISIT#
320          */
321         if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
322                 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
323                         param->heads = 255;
324                         param->sectors = 63;
325                 } else {
326                         param->heads = 128;
327                         param->sectors = 32;
328                 }
329         } else {
330                 param->heads = 64;
331                 param->sectors = 32;
332         }
333 
334         param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
335 
336         /*
337          *      Read the first 1024 bytes from the disk device, if the boot
338          *      sector partition table is valid, search for a partition table
339          *      entry whose end_head matches one of the standard geometry
340          *      translations ( 64/32, 128/32, 255/63 ).
341          */
342         buf = scsi_bios_ptable(bdev);
343         if (!buf)
344                 return 0;
345         if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
346                 struct partition *first = (struct partition * )buf;
347                 struct partition *entry = first;
348                 int saved_cylinders = param->cylinders;
349                 int num;
350                 unsigned char end_head, end_sec;
351 
352                 for(num = 0; num < 4; num++) {
353                         end_head = entry->end_head;
354                         end_sec = entry->end_sector & 0x3f;
355 
356                         if(end_head == 63) {
357                                 param->heads = 64;
358                                 param->sectors = 32;
359                                 break;
360                         } else if(end_head == 127) {
361                                 param->heads = 128;
362                                 param->sectors = 32;
363                                 break;
364                         } else if(end_head == 254) {
365                                 param->heads = 255;
366                                 param->sectors = 63;
367                                 break;
368                         }
369                         entry++;
370                 }
371 
372                 if (num == 4) {
373                         end_head = first->end_head;
374                         end_sec = first->end_sector & 0x3f;
375                 }
376 
377                 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
378                 if (num < 4 && end_sec == param->sectors) {
379                         if (param->cylinders != saved_cylinders)
380                                 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
381                                         param->heads, param->sectors, num));
382                 } else if (end_head > 0 || end_sec > 0) {
383                         dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
384                                 end_head + 1, end_sec, num));
385                         dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
386                                         param->heads, param->sectors));
387                 }
388         }
389         kfree(buf);
390         return 0;
391 }
392 
393 /**
394  *      aac_slave_configure             -       compute queue depths
395  *      @sdev:  SCSI device we are considering
396  *
397  *      Selects queue depths for each target device based on the host adapter's
398  *      total capacity and the queue depth supported by the target device.
399  *      A queue depth of one automatically disables tagged queueing.
400  */
401 
402 static int aac_slave_configure(struct scsi_device *sdev)
403 {
404         struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
405         if (aac->jbod && (sdev->type == TYPE_DISK))
406                 sdev->removable = 1;
407         if ((sdev->type == TYPE_DISK) &&
408                         (sdev_channel(sdev) != CONTAINER_CHANNEL) &&
409                         (!aac->jbod || sdev->inq_periph_qual) &&
410                         (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
411                 if (expose_physicals == 0)
412                         return -ENXIO;
413                 if (expose_physicals < 0)
414                         sdev->no_uld_attach = 1;
415         }
416         if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
417                         (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) &&
418                         !sdev->no_uld_attach) {
419                 struct scsi_device * dev;
420                 struct Scsi_Host *host = sdev->host;
421                 unsigned num_lsu = 0;
422                 unsigned num_one = 0;
423                 unsigned depth;
424                 unsigned cid;
425 
426                 /*
427                  * Firmware has an individual device recovery time typically
428                  * of 35 seconds, give us a margin.
429                  */
430                 if (sdev->request_queue->rq_timeout < (45 * HZ))
431                         blk_queue_rq_timeout(sdev->request_queue, 45*HZ);
432                 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
433                         if (aac->fsa_dev[cid].valid)
434                                 ++num_lsu;
435                 __shost_for_each_device(dev, host) {
436                         if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
437                                         (!aac->raid_scsi_mode ||
438                                                 (sdev_channel(sdev) != 2)) &&
439                                         !dev->no_uld_attach) {
440                                 if ((sdev_channel(dev) != CONTAINER_CHANNEL)
441                                  || !aac->fsa_dev[sdev_id(dev)].valid)
442                                         ++num_lsu;
443                         } else
444                                 ++num_one;
445                 }
446                 if (num_lsu == 0)
447                         ++num_lsu;
448                 depth = (host->can_queue - num_one) / num_lsu;
449                 if (depth > 256)
450                         depth = 256;
451                 else if (depth < 2)
452                         depth = 2;
453                 scsi_change_queue_depth(sdev, depth);
454         } else
455                 scsi_change_queue_depth(sdev, 1);
456 
457         return 0;
458 }
459 
460 /**
461  *      aac_change_queue_depth          -       alter queue depths
462  *      @sdev:  SCSI device we are considering
463  *      @depth: desired queue depth
464  *
465  *      Alters queue depths for target device based on the host adapter's
466  *      total capacity and the queue depth supported by the target device.
467  */
468 
469 static int aac_change_queue_depth(struct scsi_device *sdev, int depth)
470 {
471         if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
472             (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
473                 struct scsi_device * dev;
474                 struct Scsi_Host *host = sdev->host;
475                 unsigned num = 0;
476 
477                 __shost_for_each_device(dev, host) {
478                         if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
479                             (sdev_channel(dev) == CONTAINER_CHANNEL))
480                                 ++num;
481                         ++num;
482                 }
483                 if (num >= host->can_queue)
484                         num = host->can_queue - 1;
485                 if (depth > (host->can_queue - num))
486                         depth = host->can_queue - num;
487                 if (depth > 256)
488                         depth = 256;
489                 else if (depth < 2)
490                         depth = 2;
491                 return scsi_change_queue_depth(sdev, depth);
492         }
493 
494         return scsi_change_queue_depth(sdev, 1);
495 }
496 
497 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
498 {
499         struct scsi_device *sdev = to_scsi_device(dev);
500         struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
501         if (sdev_channel(sdev) != CONTAINER_CHANNEL)
502                 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
503                   ? "Hidden\n" :
504                   ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
505         return snprintf(buf, PAGE_SIZE, "%s\n",
506           get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
507 }
508 
509 static struct device_attribute aac_raid_level_attr = {
510         .attr = {
511                 .name = "level",
512                 .mode = S_IRUGO,
513         },
514         .show = aac_show_raid_level
515 };
516 
517 static struct device_attribute *aac_dev_attrs[] = {
518         &aac_raid_level_attr,
519         NULL,
520 };
521 
522 static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
523 {
524         struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
525         if (!capable(CAP_SYS_RAWIO))
526                 return -EPERM;
527         return aac_do_ioctl(dev, cmd, arg);
528 }
529 
530 static int aac_eh_abort(struct scsi_cmnd* cmd)
531 {
532         struct scsi_device * dev = cmd->device;
533         struct Scsi_Host * host = dev->host;
534         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
535         int count;
536         int ret = FAILED;
537 
538         printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%llu)\n",
539                 AAC_DRIVERNAME,
540                 host->host_no, sdev_channel(dev), sdev_id(dev), dev->lun);
541         switch (cmd->cmnd[0]) {
542         case SERVICE_ACTION_IN_16:
543                 if (!(aac->raw_io_interface) ||
544                     !(aac->raw_io_64) ||
545                     ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
546                         break;
547         case INQUIRY:
548         case READ_CAPACITY:
549                 /* Mark associated FIB to not complete, eh handler does this */
550                 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
551                         struct fib * fib = &aac->fibs[count];
552                         if (fib->hw_fib_va->header.XferState &&
553                           (fib->flags & FIB_CONTEXT_FLAG) &&
554                           (fib->callback_data == cmd)) {
555                                 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
556                                 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
557                                 ret = SUCCESS;
558                         }
559                 }
560                 break;
561         case TEST_UNIT_READY:
562                 /* Mark associated FIB to not complete, eh handler does this */
563                 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
564                         struct scsi_cmnd * command;
565                         struct fib * fib = &aac->fibs[count];
566                         if ((fib->hw_fib_va->header.XferState & cpu_to_le32(Async | NoResponseExpected)) &&
567                           (fib->flags & FIB_CONTEXT_FLAG) &&
568                           ((command = fib->callback_data)) &&
569                           (command->device == cmd->device)) {
570                                 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
571                                 command->SCp.phase = AAC_OWNER_ERROR_HANDLER;
572                                 if (command == cmd)
573                                         ret = SUCCESS;
574                         }
575                 }
576         }
577         return ret;
578 }
579 
580 /*
581  *      aac_eh_reset    - Reset command handling
582  *      @scsi_cmd:      SCSI command block causing the reset
583  *
584  */
585 static int aac_eh_reset(struct scsi_cmnd* cmd)
586 {
587         struct scsi_device * dev = cmd->device;
588         struct Scsi_Host * host = dev->host;
589         struct scsi_cmnd * command;
590         int count;
591         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
592         unsigned long flags;
593 
594         /* Mark the associated FIB to not complete, eh handler does this */
595         for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
596                 struct fib * fib = &aac->fibs[count];
597                 if (fib->hw_fib_va->header.XferState &&
598                   (fib->flags & FIB_CONTEXT_FLAG) &&
599                   (fib->callback_data == cmd)) {
600                         fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
601                         cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
602                 }
603         }
604         printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
605                                         AAC_DRIVERNAME);
606 
607         if ((count = aac_check_health(aac)))
608                 return count;
609         /*
610          * Wait for all commands to complete to this specific
611          * target (block maximum 60 seconds).
612          */
613         for (count = 60; count; --count) {
614                 int active = aac->in_reset;
615 
616                 if (active == 0)
617                 __shost_for_each_device(dev, host) {
618                         spin_lock_irqsave(&dev->list_lock, flags);
619                         list_for_each_entry(command, &dev->cmd_list, list) {
620                                 if ((command != cmd) &&
621                                     (command->SCp.phase == AAC_OWNER_FIRMWARE)) {
622                                         active++;
623                                         break;
624                                 }
625                         }
626                         spin_unlock_irqrestore(&dev->list_lock, flags);
627                         if (active)
628                                 break;
629 
630                 }
631                 /*
632                  * We can exit If all the commands are complete
633                  */
634                 if (active == 0)
635                         return SUCCESS;
636                 ssleep(1);
637         }
638         printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
639         /*
640          * This adapter needs a blind reset, only do so for Adapters that
641          * support a register, instead of a commanded, reset.
642          */
643         if (((aac->supplement_adapter_info.SupportedOptions2 &
644           AAC_OPTION_MU_RESET) ||
645           (aac->supplement_adapter_info.SupportedOptions2 &
646           AAC_OPTION_DOORBELL_RESET)) &&
647           aac_check_reset &&
648           ((aac_check_reset != 1) ||
649            !(aac->supplement_adapter_info.SupportedOptions2 &
650             AAC_OPTION_IGNORE_RESET)))
651                 aac_reset_adapter(aac, 2); /* Bypass wait for command quiesce */
652         return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */
653 }
654 
655 /**
656  *      aac_cfg_open            -       open a configuration file
657  *      @inode: inode being opened
658  *      @file: file handle attached
659  *
660  *      Called when the configuration device is opened. Does the needed
661  *      set up on the handle and then returns
662  *
663  *      Bugs: This needs extending to check a given adapter is present
664  *      so we can support hot plugging, and to ref count adapters.
665  */
666 
667 static int aac_cfg_open(struct inode *inode, struct file *file)
668 {
669         struct aac_dev *aac;
670         unsigned minor_number = iminor(inode);
671         int err = -ENODEV;
672 
673         mutex_lock(&aac_mutex);  /* BKL pushdown: nothing else protects this list */
674         list_for_each_entry(aac, &aac_devices, entry) {
675                 if (aac->id == minor_number) {
676                         file->private_data = aac;
677                         err = 0;
678                         break;
679                 }
680         }
681         mutex_unlock(&aac_mutex);
682 
683         return err;
684 }
685 
686 /**
687  *      aac_cfg_ioctl           -       AAC configuration request
688  *      @inode: inode of device
689  *      @file: file handle
690  *      @cmd: ioctl command code
691  *      @arg: argument
692  *
693  *      Handles a configuration ioctl. Currently this involves wrapping it
694  *      up and feeding it into the nasty windowsalike glue layer.
695  *
696  *      Bugs: Needs locking against parallel ioctls lower down
697  *      Bugs: Needs to handle hot plugging
698  */
699 
700 static long aac_cfg_ioctl(struct file *file,
701                 unsigned int cmd, unsigned long arg)
702 {
703         int ret;
704         struct aac_dev *aac;
705         aac = (struct aac_dev *)file->private_data;
706         if (!capable(CAP_SYS_RAWIO) || aac->adapter_shutdown)
707                 return -EPERM;
708         mutex_lock(&aac_mutex);
709         ret = aac_do_ioctl(file->private_data, cmd, (void __user *)arg);
710         mutex_unlock(&aac_mutex);
711 
712         return ret;
713 }
714 
715 #ifdef CONFIG_COMPAT
716 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
717 {
718         long ret;
719         mutex_lock(&aac_mutex);
720         switch (cmd) {
721         case FSACTL_MINIPORT_REV_CHECK:
722         case FSACTL_SENDFIB:
723         case FSACTL_OPEN_GET_ADAPTER_FIB:
724         case FSACTL_CLOSE_GET_ADAPTER_FIB:
725         case FSACTL_SEND_RAW_SRB:
726         case FSACTL_GET_PCI_INFO:
727         case FSACTL_QUERY_DISK:
728         case FSACTL_DELETE_DISK:
729         case FSACTL_FORCE_DELETE_DISK:
730         case FSACTL_GET_CONTAINERS:
731         case FSACTL_SEND_LARGE_FIB:
732                 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
733                 break;
734 
735         case FSACTL_GET_NEXT_ADAPTER_FIB: {
736                 struct fib_ioctl __user *f;
737 
738                 f = compat_alloc_user_space(sizeof(*f));
739                 ret = 0;
740                 if (clear_user(f, sizeof(*f)))
741                         ret = -EFAULT;
742                 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
743                         ret = -EFAULT;
744                 if (!ret)
745                         ret = aac_do_ioctl(dev, cmd, f);
746                 break;
747         }
748 
749         default:
750                 ret = -ENOIOCTLCMD;
751                 break;
752         }
753         mutex_unlock(&aac_mutex);
754         return ret;
755 }
756 
757 static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
758 {
759         struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
760         if (!capable(CAP_SYS_RAWIO))
761                 return -EPERM;
762         return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
763 }
764 
765 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
766 {
767         if (!capable(CAP_SYS_RAWIO))
768                 return -EPERM;
769         return aac_compat_do_ioctl(file->private_data, cmd, arg);
770 }
771 #endif
772 
773 static ssize_t aac_show_model(struct device *device,
774                               struct device_attribute *attr, char *buf)
775 {
776         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
777         int len;
778 
779         if (dev->supplement_adapter_info.AdapterTypeText[0]) {
780                 char * cp = dev->supplement_adapter_info.AdapterTypeText;
781                 while (*cp && *cp != ' ')
782                         ++cp;
783                 while (*cp == ' ')
784                         ++cp;
785                 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
786         } else
787                 len = snprintf(buf, PAGE_SIZE, "%s\n",
788                   aac_drivers[dev->cardtype].model);
789         return len;
790 }
791 
792 static ssize_t aac_show_vendor(struct device *device,
793                                struct device_attribute *attr, char *buf)
794 {
795         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
796         int len;
797 
798         if (dev->supplement_adapter_info.AdapterTypeText[0]) {
799                 char * cp = dev->supplement_adapter_info.AdapterTypeText;
800                 while (*cp && *cp != ' ')
801                         ++cp;
802                 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
803                   (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText),
804                   dev->supplement_adapter_info.AdapterTypeText);
805         } else
806                 len = snprintf(buf, PAGE_SIZE, "%s\n",
807                   aac_drivers[dev->cardtype].vname);
808         return len;
809 }
810 
811 static ssize_t aac_show_flags(struct device *cdev,
812                               struct device_attribute *attr, char *buf)
813 {
814         int len = 0;
815         struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
816 
817         if (nblank(dprintk(x)))
818                 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
819 #ifdef AAC_DETAILED_STATUS_INFO
820         len += snprintf(buf + len, PAGE_SIZE - len,
821                         "AAC_DETAILED_STATUS_INFO\n");
822 #endif
823         if (dev->raw_io_interface && dev->raw_io_64)
824                 len += snprintf(buf + len, PAGE_SIZE - len,
825                                 "SAI_READ_CAPACITY_16\n");
826         if (dev->jbod)
827                 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n");
828         if (dev->supplement_adapter_info.SupportedOptions2 &
829                 AAC_OPTION_POWER_MANAGEMENT)
830                 len += snprintf(buf + len, PAGE_SIZE - len,
831                                 "SUPPORTED_POWER_MANAGEMENT\n");
832         if (dev->msi)
833                 len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
834         return len;
835 }
836 
837 static ssize_t aac_show_kernel_version(struct device *device,
838                                        struct device_attribute *attr,
839                                        char *buf)
840 {
841         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
842         int len, tmp;
843 
844         tmp = le32_to_cpu(dev->adapter_info.kernelrev);
845         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
846           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
847           le32_to_cpu(dev->adapter_info.kernelbuild));
848         return len;
849 }
850 
851 static ssize_t aac_show_monitor_version(struct device *device,
852                                         struct device_attribute *attr,
853                                         char *buf)
854 {
855         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
856         int len, tmp;
857 
858         tmp = le32_to_cpu(dev->adapter_info.monitorrev);
859         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
860           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
861           le32_to_cpu(dev->adapter_info.monitorbuild));
862         return len;
863 }
864 
865 static ssize_t aac_show_bios_version(struct device *device,
866                                      struct device_attribute *attr,
867                                      char *buf)
868 {
869         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
870         int len, tmp;
871 
872         tmp = le32_to_cpu(dev->adapter_info.biosrev);
873         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
874           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
875           le32_to_cpu(dev->adapter_info.biosbuild));
876         return len;
877 }
878 
879 static ssize_t aac_show_serial_number(struct device *device,
880                                struct device_attribute *attr, char *buf)
881 {
882         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
883         int len = 0;
884 
885         if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
886                 len = snprintf(buf, 16, "%06X\n",
887                   le32_to_cpu(dev->adapter_info.serial[0]));
888         if (len &&
889           !memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[
890             sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)-len],
891           buf, len-1))
892                 len = snprintf(buf, 16, "%.*s\n",
893                   (int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo),
894                   dev->supplement_adapter_info.MfgPcbaSerialNo);
895 
896         return min(len, 16);
897 }
898 
899 static ssize_t aac_show_max_channel(struct device *device,
900                                     struct device_attribute *attr, char *buf)
901 {
902         return snprintf(buf, PAGE_SIZE, "%d\n",
903           class_to_shost(device)->max_channel);
904 }
905 
906 static ssize_t aac_show_max_id(struct device *device,
907                                struct device_attribute *attr, char *buf)
908 {
909         return snprintf(buf, PAGE_SIZE, "%d\n",
910           class_to_shost(device)->max_id);
911 }
912 
913 static ssize_t aac_store_reset_adapter(struct device *device,
914                                        struct device_attribute *attr,
915                                        const char *buf, size_t count)
916 {
917         int retval = -EACCES;
918 
919         if (!capable(CAP_SYS_ADMIN))
920                 return retval;
921         retval = aac_reset_adapter((struct aac_dev*)class_to_shost(device)->hostdata, buf[0] == '!');
922         if (retval >= 0)
923                 retval = count;
924         return retval;
925 }
926 
927 static ssize_t aac_show_reset_adapter(struct device *device,
928                                       struct device_attribute *attr,
929                                       char *buf)
930 {
931         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
932         int len, tmp;
933 
934         tmp = aac_adapter_check_health(dev);
935         if ((tmp == 0) && dev->in_reset)
936                 tmp = -EBUSY;
937         len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
938         return len;
939 }
940 
941 static struct device_attribute aac_model = {
942         .attr = {
943                 .name = "model",
944                 .mode = S_IRUGO,
945         },
946         .show = aac_show_model,
947 };
948 static struct device_attribute aac_vendor = {
949         .attr = {
950                 .name = "vendor",
951                 .mode = S_IRUGO,
952         },
953         .show = aac_show_vendor,
954 };
955 static struct device_attribute aac_flags = {
956         .attr = {
957                 .name = "flags",
958                 .mode = S_IRUGO,
959         },
960         .show = aac_show_flags,
961 };
962 static struct device_attribute aac_kernel_version = {
963         .attr = {
964                 .name = "hba_kernel_version",
965                 .mode = S_IRUGO,
966         },
967         .show = aac_show_kernel_version,
968 };
969 static struct device_attribute aac_monitor_version = {
970         .attr = {
971                 .name = "hba_monitor_version",
972                 .mode = S_IRUGO,
973         },
974         .show = aac_show_monitor_version,
975 };
976 static struct device_attribute aac_bios_version = {
977         .attr = {
978                 .name = "hba_bios_version",
979                 .mode = S_IRUGO,
980         },
981         .show = aac_show_bios_version,
982 };
983 static struct device_attribute aac_serial_number = {
984         .attr = {
985                 .name = "serial_number",
986                 .mode = S_IRUGO,
987         },
988         .show = aac_show_serial_number,
989 };
990 static struct device_attribute aac_max_channel = {
991         .attr = {
992                 .name = "max_channel",
993                 .mode = S_IRUGO,
994         },
995         .show = aac_show_max_channel,
996 };
997 static struct device_attribute aac_max_id = {
998         .attr = {
999                 .name = "max_id",
1000                 .mode = S_IRUGO,
1001         },
1002         .show = aac_show_max_id,
1003 };
1004 static struct device_attribute aac_reset = {
1005         .attr = {
1006                 .name = "reset_host",
1007                 .mode = S_IWUSR|S_IRUGO,
1008         },
1009         .store = aac_store_reset_adapter,
1010         .show = aac_show_reset_adapter,
1011 };
1012 
1013 static struct device_attribute *aac_attrs[] = {
1014         &aac_model,
1015         &aac_vendor,
1016         &aac_flags,
1017         &aac_kernel_version,
1018         &aac_monitor_version,
1019         &aac_bios_version,
1020         &aac_serial_number,
1021         &aac_max_channel,
1022         &aac_max_id,
1023         &aac_reset,
1024         NULL
1025 };
1026 
1027 ssize_t aac_get_serial_number(struct device *device, char *buf)
1028 {
1029         return aac_show_serial_number(device, &aac_serial_number, buf);
1030 }
1031 
1032 static const struct file_operations aac_cfg_fops = {
1033         .owner          = THIS_MODULE,
1034         .unlocked_ioctl = aac_cfg_ioctl,
1035 #ifdef CONFIG_COMPAT
1036         .compat_ioctl   = aac_compat_cfg_ioctl,
1037 #endif
1038         .open           = aac_cfg_open,
1039         .llseek         = noop_llseek,
1040 };
1041 
1042 static struct scsi_host_template aac_driver_template = {
1043         .module                         = THIS_MODULE,
1044         .name                           = "AAC",
1045         .proc_name                      = AAC_DRIVERNAME,
1046         .info                           = aac_info,
1047         .ioctl                          = aac_ioctl,
1048 #ifdef CONFIG_COMPAT
1049         .compat_ioctl                   = aac_compat_ioctl,
1050 #endif
1051         .queuecommand                   = aac_queuecommand,
1052         .bios_param                     = aac_biosparm,
1053         .shost_attrs                    = aac_attrs,
1054         .slave_configure                = aac_slave_configure,
1055         .change_queue_depth             = aac_change_queue_depth,
1056         .sdev_attrs                     = aac_dev_attrs,
1057         .eh_abort_handler               = aac_eh_abort,
1058         .eh_host_reset_handler          = aac_eh_reset,
1059         .can_queue                      = AAC_NUM_IO_FIB,
1060         .this_id                        = MAXIMUM_NUM_CONTAINERS,
1061         .sg_tablesize                   = 16,
1062         .max_sectors                    = 128,
1063 #if (AAC_NUM_IO_FIB > 256)
1064         .cmd_per_lun                    = 256,
1065 #else
1066         .cmd_per_lun                    = AAC_NUM_IO_FIB,
1067 #endif
1068         .use_clustering                 = ENABLE_CLUSTERING,
1069         .emulated                       = 1,
1070         .no_write_same                  = 1,
1071 };
1072 
1073 static void __aac_shutdown(struct aac_dev * aac)
1074 {
1075         int i;
1076         int cpu;
1077 
1078         if (aac->aif_thread) {
1079                 int i;
1080                 /* Clear out events first */
1081                 for (i = 0; i < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++) {
1082                         struct fib *fib = &aac->fibs[i];
1083                         if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) &&
1084                             (fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected)))
1085                                 up(&fib->event_wait);
1086                 }
1087                 kthread_stop(aac->thread);
1088         }
1089         aac_send_shutdown(aac);
1090         aac_adapter_disable_int(aac);
1091         cpu = cpumask_first(cpu_online_mask);
1092         if (aac->pdev->device == PMC_DEVICE_S6 ||
1093             aac->pdev->device == PMC_DEVICE_S7 ||
1094             aac->pdev->device == PMC_DEVICE_S8 ||
1095             aac->pdev->device == PMC_DEVICE_S9) {
1096                 if (aac->max_msix > 1) {
1097                         for (i = 0; i < aac->max_msix; i++) {
1098                                 if (irq_set_affinity_hint(
1099                                     aac->msixentry[i].vector,
1100                                     NULL)) {
1101                                         printk(KERN_ERR "%s%d: Failed to reset IRQ affinity for cpu %d\n",
1102                                                 aac->name,
1103                                                 aac->id,
1104                                                 cpu);
1105                                 }
1106                                 cpu = cpumask_next(cpu,
1107                                                 cpu_online_mask);
1108                                 free_irq(aac->msixentry[i].vector,
1109                                          &(aac->aac_msix[i]));
1110                         }
1111                 } else {
1112                         free_irq(aac->pdev->irq,
1113                                  &(aac->aac_msix[0]));
1114                 }
1115         } else {
1116                 free_irq(aac->pdev->irq, aac);
1117         }
1118         if (aac->msi)
1119                 pci_disable_msi(aac->pdev);
1120         else if (aac->max_msix > 1)
1121                 pci_disable_msix(aac->pdev);
1122 }
1123 
1124 static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1125 {
1126         unsigned index = id->driver_data;
1127         struct Scsi_Host *shost;
1128         struct aac_dev *aac;
1129         struct list_head *insert = &aac_devices;
1130         int error = -ENODEV;
1131         int unique_id = 0;
1132         u64 dmamask;
1133         extern int aac_sync_mode;
1134 
1135         list_for_each_entry(aac, &aac_devices, entry) {
1136                 if (aac->id > unique_id)
1137                         break;
1138                 insert = &aac->entry;
1139                 unique_id++;
1140         }
1141 
1142         pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
1143                                PCIE_LINK_STATE_CLKPM);
1144 
1145         error = pci_enable_device(pdev);
1146         if (error)
1147                 goto out;
1148         error = -ENODEV;
1149 
1150         /*
1151          * If the quirk31 bit is set, the adapter needs adapter
1152          * to driver communication memory to be allocated below 2gig
1153          */
1154         if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1155                 dmamask = DMA_BIT_MASK(31);
1156         else
1157                 dmamask = DMA_BIT_MASK(32);
1158 
1159         if (pci_set_dma_mask(pdev, dmamask) ||
1160                         pci_set_consistent_dma_mask(pdev, dmamask))
1161                 goto out_disable_pdev;
1162 
1163         pci_set_master(pdev);
1164 
1165         shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1166         if (!shost)
1167                 goto out_disable_pdev;
1168 
1169         shost->irq = pdev->irq;
1170         shost->unique_id = unique_id;
1171         shost->max_cmd_len = 16;
1172         shost->use_cmd_list = 1;
1173 
1174         aac = (struct aac_dev *)shost->hostdata;
1175         aac->base_start = pci_resource_start(pdev, 0);
1176         aac->scsi_host_ptr = shost;
1177         aac->pdev = pdev;
1178         aac->name = aac_driver_template.name;
1179         aac->id = shost->unique_id;
1180         aac->cardtype = index;
1181         INIT_LIST_HEAD(&aac->entry);
1182 
1183         aac->fibs = kzalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
1184         if (!aac->fibs)
1185                 goto out_free_host;
1186         spin_lock_init(&aac->fib_lock);
1187 
1188         /*
1189          *      Map in the registers from the adapter.
1190          */
1191         aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1192         if ((*aac_drivers[index].init)(aac))
1193                 goto out_unmap;
1194 
1195         if (aac->sync_mode) {
1196                 if (aac_sync_mode)
1197                         printk(KERN_INFO "%s%d: Sync. mode enforced "
1198                                 "by driver parameter. This will cause "
1199                                 "a significant performance decrease!\n",
1200                                 aac->name,
1201                                 aac->id);
1202                 else
1203                         printk(KERN_INFO "%s%d: Async. mode not supported "
1204                                 "by current driver, sync. mode enforced."
1205                                 "\nPlease update driver to get full performance.\n",
1206                                 aac->name,
1207                                 aac->id);
1208         }
1209 
1210         /*
1211          *      Start any kernel threads needed
1212          */
1213         aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1214         if (IS_ERR(aac->thread)) {
1215                 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1216                 error = PTR_ERR(aac->thread);
1217                 aac->thread = NULL;
1218                 goto out_deinit;
1219         }
1220 
1221         /*
1222          * If we had set a smaller DMA mask earlier, set it to 4gig
1223          * now since the adapter can dma data to at least a 4gig
1224          * address space.
1225          */
1226         if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1227                 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)))
1228                         goto out_deinit;
1229 
1230         aac->maximum_num_channels = aac_drivers[index].channels;
1231         error = aac_get_adapter_info(aac);
1232         if (error < 0)
1233                 goto out_deinit;
1234 
1235         /*
1236          * Lets override negotiations and drop the maximum SG limit to 34
1237          */
1238         if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1239                         (shost->sg_tablesize > 34)) {
1240                 shost->sg_tablesize = 34;
1241                 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1242         }
1243 
1244         if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1245                         (shost->sg_tablesize > 17)) {
1246                 shost->sg_tablesize = 17;
1247                 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1248         }
1249 
1250         error = pci_set_dma_max_seg_size(pdev,
1251                 (aac->adapter_info.options & AAC_OPT_NEW_COMM) ?
1252                         (shost->max_sectors << 9) : 65536);
1253         if (error)
1254                 goto out_deinit;
1255 
1256         /*
1257          * Firmware printf works only with older firmware.
1258          */
1259         if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1260                 aac->printf_enabled = 1;
1261         else
1262                 aac->printf_enabled = 0;
1263 
1264         /*
1265          * max channel will be the physical channels plus 1 virtual channel
1266          * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1267          * physical channels are address by their actual physical number+1
1268          */
1269         if (aac->nondasd_support || expose_physicals || aac->jbod)
1270                 shost->max_channel = aac->maximum_num_channels;
1271         else
1272                 shost->max_channel = 0;
1273 
1274         aac_get_config_status(aac, 0);
1275         aac_get_containers(aac);
1276         list_add(&aac->entry, insert);
1277 
1278         shost->max_id = aac->maximum_num_containers;
1279         if (shost->max_id < aac->maximum_num_physicals)
1280                 shost->max_id = aac->maximum_num_physicals;
1281         if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1282                 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1283         else
1284                 shost->this_id = shost->max_id;
1285 
1286         /*
1287          * dmb - we may need to move the setting of these parms somewhere else once
1288          * we get a fib that can report the actual numbers
1289          */
1290         shost->max_lun = AAC_MAX_LUN;
1291 
1292         pci_set_drvdata(pdev, shost);
1293 
1294         error = scsi_add_host(shost, &pdev->dev);
1295         if (error)
1296                 goto out_deinit;
1297         scsi_scan_host(shost);
1298 
1299         return 0;
1300 
1301  out_deinit:
1302         __aac_shutdown(aac);
1303  out_unmap:
1304         aac_fib_map_free(aac);
1305         if (aac->comm_addr)
1306                 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1307                   aac->comm_phys);
1308         kfree(aac->queues);
1309         aac_adapter_ioremap(aac, 0);
1310         kfree(aac->fibs);
1311         kfree(aac->fsa_dev);
1312  out_free_host:
1313         scsi_host_put(shost);
1314  out_disable_pdev:
1315         pci_disable_device(pdev);
1316  out:
1317         return error;
1318 }
1319 
1320 static void aac_shutdown(struct pci_dev *dev)
1321 {
1322         struct Scsi_Host *shost = pci_get_drvdata(dev);
1323         scsi_block_requests(shost);
1324         __aac_shutdown((struct aac_dev *)shost->hostdata);
1325 }
1326 
1327 static void aac_remove_one(struct pci_dev *pdev)
1328 {
1329         struct Scsi_Host *shost = pci_get_drvdata(pdev);
1330         struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1331 
1332         scsi_remove_host(shost);
1333 
1334         __aac_shutdown(aac);
1335         aac_fib_map_free(aac);
1336         pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1337                         aac->comm_phys);
1338         kfree(aac->queues);
1339 
1340         aac_adapter_ioremap(aac, 0);
1341 
1342         kfree(aac->fibs);
1343         kfree(aac->fsa_dev);
1344 
1345         list_del(&aac->entry);
1346         scsi_host_put(shost);
1347         pci_disable_device(pdev);
1348         if (list_empty(&aac_devices)) {
1349                 unregister_chrdev(aac_cfg_major, "aac");
1350                 aac_cfg_major = -1;
1351         }
1352 }
1353 
1354 static struct pci_driver aac_pci_driver = {
1355         .name           = AAC_DRIVERNAME,
1356         .id_table       = aac_pci_tbl,
1357         .probe          = aac_probe_one,
1358         .remove         = aac_remove_one,
1359         .shutdown       = aac_shutdown,
1360 };
1361 
1362 static int __init aac_init(void)
1363 {
1364         int error;
1365 
1366         printk(KERN_INFO "Adaptec %s driver %s\n",
1367           AAC_DRIVERNAME, aac_driver_version);
1368 
1369         error = pci_register_driver(&aac_pci_driver);
1370         if (error < 0)
1371                 return error;
1372 
1373         aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops);
1374         if (aac_cfg_major < 0) {
1375                 printk(KERN_WARNING
1376                         "aacraid: unable to register \"aac\" device.\n");
1377         }
1378 
1379         return 0;
1380 }
1381 
1382 static void __exit aac_exit(void)
1383 {
1384         if (aac_cfg_major > -1)
1385                 unregister_chrdev(aac_cfg_major, "aac");
1386         pci_unregister_driver(&aac_pci_driver);
1387 }
1388 
1389 module_init(aac_init);
1390 module_exit(aac_exit);
1391 

This page was automatically generated by LXR 0.3.1 (source).  •  Linux is a registered trademark of Linus Torvalds  •  Contact us