Version:  2.0.40 2.2.26 2.4.37 3.1 3.2 3.3 3.4 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

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              "1.2-0"
 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_lck(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
255 {
256         struct Scsi_Host *host = cmd->device->host;
257         struct aac_dev *dev = (struct aac_dev *)host->hostdata;
258         u32 count = 0;
259         cmd->scsi_done = done;
260         for (; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
261                 struct fib * fib = &dev->fibs[count];
262                 struct scsi_cmnd * command;
263                 if (fib->hw_fib_va->header.XferState &&
264                     ((command = fib->callback_data)) &&
265                     (command == cmd) &&
266                     (cmd->SCp.phase == AAC_OWNER_FIRMWARE))
267                         return 0; /* Already owned by Adapter */
268         }
269         cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
270         return (aac_scsi_cmd(cmd) ? FAILED : 0);
271 }
272 
273 static DEF_SCSI_QCMD(aac_queuecommand)
274 
275 /**
276  *      aac_info                -       Returns the host adapter name
277  *      @shost:         Scsi host to report on
278  *
279  *      Returns a static string describing the device in question
280  */
281 
282 static const char *aac_info(struct Scsi_Host *shost)
283 {
284         struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
285         return aac_drivers[dev->cardtype].name;
286 }
287 
288 /**
289  *      aac_get_driver_ident
290  *      @devtype: index into lookup table
291  *
292  *      Returns a pointer to the entry in the driver lookup table.
293  */
294 
295 struct aac_driver_ident* aac_get_driver_ident(int devtype)
296 {
297         return &aac_drivers[devtype];
298 }
299 
300 /**
301  *      aac_biosparm    -       return BIOS parameters for disk
302  *      @sdev: The scsi device corresponding to the disk
303  *      @bdev: the block device corresponding to the disk
304  *      @capacity: the sector capacity of the disk
305  *      @geom: geometry block to fill in
306  *
307  *      Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
308  *      The default disk geometry is 64 heads, 32 sectors, and the appropriate
309  *      number of cylinders so as not to exceed drive capacity.  In order for
310  *      disks equal to or larger than 1 GB to be addressable by the BIOS
311  *      without exceeding the BIOS limitation of 1024 cylinders, Extended
312  *      Translation should be enabled.   With Extended Translation enabled,
313  *      drives between 1 GB inclusive and 2 GB exclusive are given a disk
314  *      geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
315  *      are given a disk geometry of 255 heads and 63 sectors.  However, if
316  *      the BIOS detects that the Extended Translation setting does not match
317  *      the geometry in the partition table, then the translation inferred
318  *      from the partition table will be used by the BIOS, and a warning may
319  *      be displayed.
320  */
321 
322 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
323                         sector_t capacity, int *geom)
324 {
325         struct diskparm *param = (struct diskparm *)geom;
326         unsigned char *buf;
327 
328         dprintk((KERN_DEBUG "aac_biosparm.\n"));
329 
330         /*
331          *      Assuming extended translation is enabled - #REVISIT#
332          */
333         if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
334                 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
335                         param->heads = 255;
336                         param->sectors = 63;
337                 } else {
338                         param->heads = 128;
339                         param->sectors = 32;
340                 }
341         } else {
342                 param->heads = 64;
343                 param->sectors = 32;
344         }
345 
346         param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
347 
348         /*
349          *      Read the first 1024 bytes from the disk device, if the boot
350          *      sector partition table is valid, search for a partition table
351          *      entry whose end_head matches one of the standard geometry
352          *      translations ( 64/32, 128/32, 255/63 ).
353          */
354         buf = scsi_bios_ptable(bdev);
355         if (!buf)
356                 return 0;
357         if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
358                 struct partition *first = (struct partition * )buf;
359                 struct partition *entry = first;
360                 int saved_cylinders = param->cylinders;
361                 int num;
362                 unsigned char end_head, end_sec;
363 
364                 for(num = 0; num < 4; num++) {
365                         end_head = entry->end_head;
366                         end_sec = entry->end_sector & 0x3f;
367 
368                         if(end_head == 63) {
369                                 param->heads = 64;
370                                 param->sectors = 32;
371                                 break;
372                         } else if(end_head == 127) {
373                                 param->heads = 128;
374                                 param->sectors = 32;
375                                 break;
376                         } else if(end_head == 254) {
377                                 param->heads = 255;
378                                 param->sectors = 63;
379                                 break;
380                         }
381                         entry++;
382                 }
383 
384                 if (num == 4) {
385                         end_head = first->end_head;
386                         end_sec = first->end_sector & 0x3f;
387                 }
388 
389                 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
390                 if (num < 4 && end_sec == param->sectors) {
391                         if (param->cylinders != saved_cylinders)
392                                 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
393                                         param->heads, param->sectors, num));
394                 } else if (end_head > 0 || end_sec > 0) {
395                         dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
396                                 end_head + 1, end_sec, num));
397                         dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
398                                         param->heads, param->sectors));
399                 }
400         }
401         kfree(buf);
402         return 0;
403 }
404 
405 /**
406  *      aac_slave_configure             -       compute queue depths
407  *      @sdev:  SCSI device we are considering
408  *
409  *      Selects queue depths for each target device based on the host adapter's
410  *      total capacity and the queue depth supported by the target device.
411  *      A queue depth of one automatically disables tagged queueing.
412  */
413 
414 static int aac_slave_configure(struct scsi_device *sdev)
415 {
416         struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
417         if (aac->jbod && (sdev->type == TYPE_DISK))
418                 sdev->removable = 1;
419         if ((sdev->type == TYPE_DISK) &&
420                         (sdev_channel(sdev) != CONTAINER_CHANNEL) &&
421                         (!aac->jbod || sdev->inq_periph_qual) &&
422                         (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
423                 if (expose_physicals == 0)
424                         return -ENXIO;
425                 if (expose_physicals < 0)
426                         sdev->no_uld_attach = 1;
427         }
428         if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
429                         (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) &&
430                         !sdev->no_uld_attach) {
431                 struct scsi_device * dev;
432                 struct Scsi_Host *host = sdev->host;
433                 unsigned num_lsu = 0;
434                 unsigned num_one = 0;
435                 unsigned depth;
436                 unsigned cid;
437 
438                 /*
439                  * Firmware has an individual device recovery time typically
440                  * of 35 seconds, give us a margin.
441                  */
442                 if (sdev->request_queue->rq_timeout < (45 * HZ))
443                         blk_queue_rq_timeout(sdev->request_queue, 45*HZ);
444                 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
445                         if (aac->fsa_dev[cid].valid)
446                                 ++num_lsu;
447                 __shost_for_each_device(dev, host) {
448                         if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
449                                         (!aac->raid_scsi_mode ||
450                                                 (sdev_channel(sdev) != 2)) &&
451                                         !dev->no_uld_attach) {
452                                 if ((sdev_channel(dev) != CONTAINER_CHANNEL)
453                                  || !aac->fsa_dev[sdev_id(dev)].valid)
454                                         ++num_lsu;
455                         } else
456                                 ++num_one;
457                 }
458                 if (num_lsu == 0)
459                         ++num_lsu;
460                 depth = (host->can_queue - num_one) / num_lsu;
461                 if (depth > 256)
462                         depth = 256;
463                 else if (depth < 2)
464                         depth = 2;
465                 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
466         } else
467                 scsi_adjust_queue_depth(sdev, 0, 1);
468 
469         return 0;
470 }
471 
472 /**
473  *      aac_change_queue_depth          -       alter queue depths
474  *      @sdev:  SCSI device we are considering
475  *      @depth: desired queue depth
476  *
477  *      Alters queue depths for target device based on the host adapter's
478  *      total capacity and the queue depth supported by the target device.
479  */
480 
481 static int aac_change_queue_depth(struct scsi_device *sdev, int depth,
482                                   int reason)
483 {
484         if (reason != SCSI_QDEPTH_DEFAULT)
485                 return -EOPNOTSUPP;
486 
487         if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
488             (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
489                 struct scsi_device * dev;
490                 struct Scsi_Host *host = sdev->host;
491                 unsigned num = 0;
492 
493                 __shost_for_each_device(dev, host) {
494                         if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
495                             (sdev_channel(dev) == CONTAINER_CHANNEL))
496                                 ++num;
497                         ++num;
498                 }
499                 if (num >= host->can_queue)
500                         num = host->can_queue - 1;
501                 if (depth > (host->can_queue - num))
502                         depth = host->can_queue - num;
503                 if (depth > 256)
504                         depth = 256;
505                 else if (depth < 2)
506                         depth = 2;
507                 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
508         } else
509                 scsi_adjust_queue_depth(sdev, 0, 1);
510         return sdev->queue_depth;
511 }
512 
513 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
514 {
515         struct scsi_device *sdev = to_scsi_device(dev);
516         struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
517         if (sdev_channel(sdev) != CONTAINER_CHANNEL)
518                 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
519                   ? "Hidden\n" :
520                   ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
521         return snprintf(buf, PAGE_SIZE, "%s\n",
522           get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
523 }
524 
525 static struct device_attribute aac_raid_level_attr = {
526         .attr = {
527                 .name = "level",
528                 .mode = S_IRUGO,
529         },
530         .show = aac_show_raid_level
531 };
532 
533 static struct device_attribute *aac_dev_attrs[] = {
534         &aac_raid_level_attr,
535         NULL,
536 };
537 
538 static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
539 {
540         struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
541         if (!capable(CAP_SYS_RAWIO))
542                 return -EPERM;
543         return aac_do_ioctl(dev, cmd, arg);
544 }
545 
546 static int aac_eh_abort(struct scsi_cmnd* cmd)
547 {
548         struct scsi_device * dev = cmd->device;
549         struct Scsi_Host * host = dev->host;
550         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
551         int count;
552         int ret = FAILED;
553 
554         printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%llu)\n",
555                 AAC_DRIVERNAME,
556                 host->host_no, sdev_channel(dev), sdev_id(dev), dev->lun);
557         switch (cmd->cmnd[0]) {
558         case SERVICE_ACTION_IN:
559                 if (!(aac->raw_io_interface) ||
560                     !(aac->raw_io_64) ||
561                     ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
562                         break;
563         case INQUIRY:
564         case READ_CAPACITY:
565                 /* Mark associated FIB to not complete, eh handler does this */
566                 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
567                         struct fib * fib = &aac->fibs[count];
568                         if (fib->hw_fib_va->header.XferState &&
569                           (fib->flags & FIB_CONTEXT_FLAG) &&
570                           (fib->callback_data == cmd)) {
571                                 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
572                                 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
573                                 ret = SUCCESS;
574                         }
575                 }
576                 break;
577         case TEST_UNIT_READY:
578                 /* Mark associated FIB to not complete, eh handler does this */
579                 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
580                         struct scsi_cmnd * command;
581                         struct fib * fib = &aac->fibs[count];
582                         if ((fib->hw_fib_va->header.XferState & cpu_to_le32(Async | NoResponseExpected)) &&
583                           (fib->flags & FIB_CONTEXT_FLAG) &&
584                           ((command = fib->callback_data)) &&
585                           (command->device == cmd->device)) {
586                                 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
587                                 command->SCp.phase = AAC_OWNER_ERROR_HANDLER;
588                                 if (command == cmd)
589                                         ret = SUCCESS;
590                         }
591                 }
592         }
593         return ret;
594 }
595 
596 /*
597  *      aac_eh_reset    - Reset command handling
598  *      @scsi_cmd:      SCSI command block causing the reset
599  *
600  */
601 static int aac_eh_reset(struct scsi_cmnd* cmd)
602 {
603         struct scsi_device * dev = cmd->device;
604         struct Scsi_Host * host = dev->host;
605         struct scsi_cmnd * command;
606         int count;
607         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
608         unsigned long flags;
609 
610         /* Mark the associated FIB to not complete, eh handler does this */
611         for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
612                 struct fib * fib = &aac->fibs[count];
613                 if (fib->hw_fib_va->header.XferState &&
614                   (fib->flags & FIB_CONTEXT_FLAG) &&
615                   (fib->callback_data == cmd)) {
616                         fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
617                         cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
618                 }
619         }
620         printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
621                                         AAC_DRIVERNAME);
622 
623         if ((count = aac_check_health(aac)))
624                 return count;
625         /*
626          * Wait for all commands to complete to this specific
627          * target (block maximum 60 seconds).
628          */
629         for (count = 60; count; --count) {
630                 int active = aac->in_reset;
631 
632                 if (active == 0)
633                 __shost_for_each_device(dev, host) {
634                         spin_lock_irqsave(&dev->list_lock, flags);
635                         list_for_each_entry(command, &dev->cmd_list, list) {
636                                 if ((command != cmd) &&
637                                     (command->SCp.phase == AAC_OWNER_FIRMWARE)) {
638                                         active++;
639                                         break;
640                                 }
641                         }
642                         spin_unlock_irqrestore(&dev->list_lock, flags);
643                         if (active)
644                                 break;
645 
646                 }
647                 /*
648                  * We can exit If all the commands are complete
649                  */
650                 if (active == 0)
651                         return SUCCESS;
652                 ssleep(1);
653         }
654         printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
655         /*
656          * This adapter needs a blind reset, only do so for Adapters that
657          * support a register, instead of a commanded, reset.
658          */
659         if (((aac->supplement_adapter_info.SupportedOptions2 &
660           AAC_OPTION_MU_RESET) ||
661           (aac->supplement_adapter_info.SupportedOptions2 &
662           AAC_OPTION_DOORBELL_RESET)) &&
663           aac_check_reset &&
664           ((aac_check_reset != 1) ||
665            !(aac->supplement_adapter_info.SupportedOptions2 &
666             AAC_OPTION_IGNORE_RESET)))
667                 aac_reset_adapter(aac, 2); /* Bypass wait for command quiesce */
668         return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */
669 }
670 
671 /**
672  *      aac_cfg_open            -       open a configuration file
673  *      @inode: inode being opened
674  *      @file: file handle attached
675  *
676  *      Called when the configuration device is opened. Does the needed
677  *      set up on the handle and then returns
678  *
679  *      Bugs: This needs extending to check a given adapter is present
680  *      so we can support hot plugging, and to ref count adapters.
681  */
682 
683 static int aac_cfg_open(struct inode *inode, struct file *file)
684 {
685         struct aac_dev *aac;
686         unsigned minor_number = iminor(inode);
687         int err = -ENODEV;
688 
689         mutex_lock(&aac_mutex);  /* BKL pushdown: nothing else protects this list */
690         list_for_each_entry(aac, &aac_devices, entry) {
691                 if (aac->id == minor_number) {
692                         file->private_data = aac;
693                         err = 0;
694                         break;
695                 }
696         }
697         mutex_unlock(&aac_mutex);
698 
699         return err;
700 }
701 
702 /**
703  *      aac_cfg_ioctl           -       AAC configuration request
704  *      @inode: inode of device
705  *      @file: file handle
706  *      @cmd: ioctl command code
707  *      @arg: argument
708  *
709  *      Handles a configuration ioctl. Currently this involves wrapping it
710  *      up and feeding it into the nasty windowsalike glue layer.
711  *
712  *      Bugs: Needs locking against parallel ioctls lower down
713  *      Bugs: Needs to handle hot plugging
714  */
715 
716 static long aac_cfg_ioctl(struct file *file,
717                 unsigned int cmd, unsigned long arg)
718 {
719         int ret;
720         if (!capable(CAP_SYS_RAWIO))
721                 return -EPERM;
722         mutex_lock(&aac_mutex);
723         ret = aac_do_ioctl(file->private_data, cmd, (void __user *)arg);
724         mutex_unlock(&aac_mutex);
725 
726         return ret;
727 }
728 
729 #ifdef CONFIG_COMPAT
730 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
731 {
732         long ret;
733         mutex_lock(&aac_mutex);
734         switch (cmd) {
735         case FSACTL_MINIPORT_REV_CHECK:
736         case FSACTL_SENDFIB:
737         case FSACTL_OPEN_GET_ADAPTER_FIB:
738         case FSACTL_CLOSE_GET_ADAPTER_FIB:
739         case FSACTL_SEND_RAW_SRB:
740         case FSACTL_GET_PCI_INFO:
741         case FSACTL_QUERY_DISK:
742         case FSACTL_DELETE_DISK:
743         case FSACTL_FORCE_DELETE_DISK:
744         case FSACTL_GET_CONTAINERS:
745         case FSACTL_SEND_LARGE_FIB:
746                 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
747                 break;
748 
749         case FSACTL_GET_NEXT_ADAPTER_FIB: {
750                 struct fib_ioctl __user *f;
751 
752                 f = compat_alloc_user_space(sizeof(*f));
753                 ret = 0;
754                 if (clear_user(f, sizeof(*f)))
755                         ret = -EFAULT;
756                 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
757                         ret = -EFAULT;
758                 if (!ret)
759                         ret = aac_do_ioctl(dev, cmd, f);
760                 break;
761         }
762 
763         default:
764                 ret = -ENOIOCTLCMD;
765                 break;
766         }
767         mutex_unlock(&aac_mutex);
768         return ret;
769 }
770 
771 static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
772 {
773         struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
774         if (!capable(CAP_SYS_RAWIO))
775                 return -EPERM;
776         return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
777 }
778 
779 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
780 {
781         if (!capable(CAP_SYS_RAWIO))
782                 return -EPERM;
783         return aac_compat_do_ioctl(file->private_data, cmd, arg);
784 }
785 #endif
786 
787 static ssize_t aac_show_model(struct device *device,
788                               struct device_attribute *attr, char *buf)
789 {
790         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
791         int len;
792 
793         if (dev->supplement_adapter_info.AdapterTypeText[0]) {
794                 char * cp = dev->supplement_adapter_info.AdapterTypeText;
795                 while (*cp && *cp != ' ')
796                         ++cp;
797                 while (*cp == ' ')
798                         ++cp;
799                 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
800         } else
801                 len = snprintf(buf, PAGE_SIZE, "%s\n",
802                   aac_drivers[dev->cardtype].model);
803         return len;
804 }
805 
806 static ssize_t aac_show_vendor(struct device *device,
807                                struct device_attribute *attr, char *buf)
808 {
809         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
810         int len;
811 
812         if (dev->supplement_adapter_info.AdapterTypeText[0]) {
813                 char * cp = dev->supplement_adapter_info.AdapterTypeText;
814                 while (*cp && *cp != ' ')
815                         ++cp;
816                 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
817                   (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText),
818                   dev->supplement_adapter_info.AdapterTypeText);
819         } else
820                 len = snprintf(buf, PAGE_SIZE, "%s\n",
821                   aac_drivers[dev->cardtype].vname);
822         return len;
823 }
824 
825 static ssize_t aac_show_flags(struct device *cdev,
826                               struct device_attribute *attr, char *buf)
827 {
828         int len = 0;
829         struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
830 
831         if (nblank(dprintk(x)))
832                 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
833 #ifdef AAC_DETAILED_STATUS_INFO
834         len += snprintf(buf + len, PAGE_SIZE - len,
835                         "AAC_DETAILED_STATUS_INFO\n");
836 #endif
837         if (dev->raw_io_interface && dev->raw_io_64)
838                 len += snprintf(buf + len, PAGE_SIZE - len,
839                                 "SAI_READ_CAPACITY_16\n");
840         if (dev->jbod)
841                 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n");
842         if (dev->supplement_adapter_info.SupportedOptions2 &
843                 AAC_OPTION_POWER_MANAGEMENT)
844                 len += snprintf(buf + len, PAGE_SIZE - len,
845                                 "SUPPORTED_POWER_MANAGEMENT\n");
846         if (dev->msi)
847                 len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
848         return len;
849 }
850 
851 static ssize_t aac_show_kernel_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.kernelrev);
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.kernelbuild));
862         return len;
863 }
864 
865 static ssize_t aac_show_monitor_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.monitorrev);
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.monitorbuild));
876         return len;
877 }
878 
879 static ssize_t aac_show_bios_version(struct device *device,
880                                      struct device_attribute *attr,
881                                      char *buf)
882 {
883         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
884         int len, tmp;
885 
886         tmp = le32_to_cpu(dev->adapter_info.biosrev);
887         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
888           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
889           le32_to_cpu(dev->adapter_info.biosbuild));
890         return len;
891 }
892 
893 static ssize_t aac_show_serial_number(struct device *device,
894                                struct device_attribute *attr, char *buf)
895 {
896         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
897         int len = 0;
898 
899         if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
900                 len = snprintf(buf, 16, "%06X\n",
901                   le32_to_cpu(dev->adapter_info.serial[0]));
902         if (len &&
903           !memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[
904             sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)-len],
905           buf, len-1))
906                 len = snprintf(buf, 16, "%.*s\n",
907                   (int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo),
908                   dev->supplement_adapter_info.MfgPcbaSerialNo);
909 
910         return min(len, 16);
911 }
912 
913 static ssize_t aac_show_max_channel(struct device *device,
914                                     struct device_attribute *attr, char *buf)
915 {
916         return snprintf(buf, PAGE_SIZE, "%d\n",
917           class_to_shost(device)->max_channel);
918 }
919 
920 static ssize_t aac_show_max_id(struct device *device,
921                                struct device_attribute *attr, char *buf)
922 {
923         return snprintf(buf, PAGE_SIZE, "%d\n",
924           class_to_shost(device)->max_id);
925 }
926 
927 static ssize_t aac_store_reset_adapter(struct device *device,
928                                        struct device_attribute *attr,
929                                        const char *buf, size_t count)
930 {
931         int retval = -EACCES;
932 
933         if (!capable(CAP_SYS_ADMIN))
934                 return retval;
935         retval = aac_reset_adapter((struct aac_dev*)class_to_shost(device)->hostdata, buf[0] == '!');
936         if (retval >= 0)
937                 retval = count;
938         return retval;
939 }
940 
941 static ssize_t aac_show_reset_adapter(struct device *device,
942                                       struct device_attribute *attr,
943                                       char *buf)
944 {
945         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
946         int len, tmp;
947 
948         tmp = aac_adapter_check_health(dev);
949         if ((tmp == 0) && dev->in_reset)
950                 tmp = -EBUSY;
951         len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
952         return len;
953 }
954 
955 static struct device_attribute aac_model = {
956         .attr = {
957                 .name = "model",
958                 .mode = S_IRUGO,
959         },
960         .show = aac_show_model,
961 };
962 static struct device_attribute aac_vendor = {
963         .attr = {
964                 .name = "vendor",
965                 .mode = S_IRUGO,
966         },
967         .show = aac_show_vendor,
968 };
969 static struct device_attribute aac_flags = {
970         .attr = {
971                 .name = "flags",
972                 .mode = S_IRUGO,
973         },
974         .show = aac_show_flags,
975 };
976 static struct device_attribute aac_kernel_version = {
977         .attr = {
978                 .name = "hba_kernel_version",
979                 .mode = S_IRUGO,
980         },
981         .show = aac_show_kernel_version,
982 };
983 static struct device_attribute aac_monitor_version = {
984         .attr = {
985                 .name = "hba_monitor_version",
986                 .mode = S_IRUGO,
987         },
988         .show = aac_show_monitor_version,
989 };
990 static struct device_attribute aac_bios_version = {
991         .attr = {
992                 .name = "hba_bios_version",
993                 .mode = S_IRUGO,
994         },
995         .show = aac_show_bios_version,
996 };
997 static struct device_attribute aac_serial_number = {
998         .attr = {
999                 .name = "serial_number",
1000                 .mode = S_IRUGO,
1001         },
1002         .show = aac_show_serial_number,
1003 };
1004 static struct device_attribute aac_max_channel = {
1005         .attr = {
1006                 .name = "max_channel",
1007                 .mode = S_IRUGO,
1008         },
1009         .show = aac_show_max_channel,
1010 };
1011 static struct device_attribute aac_max_id = {
1012         .attr = {
1013                 .name = "max_id",
1014                 .mode = S_IRUGO,
1015         },
1016         .show = aac_show_max_id,
1017 };
1018 static struct device_attribute aac_reset = {
1019         .attr = {
1020                 .name = "reset_host",
1021                 .mode = S_IWUSR|S_IRUGO,
1022         },
1023         .store = aac_store_reset_adapter,
1024         .show = aac_show_reset_adapter,
1025 };
1026 
1027 static struct device_attribute *aac_attrs[] = {
1028         &aac_model,
1029         &aac_vendor,
1030         &aac_flags,
1031         &aac_kernel_version,
1032         &aac_monitor_version,
1033         &aac_bios_version,
1034         &aac_serial_number,
1035         &aac_max_channel,
1036         &aac_max_id,
1037         &aac_reset,
1038         NULL
1039 };
1040 
1041 ssize_t aac_get_serial_number(struct device *device, char *buf)
1042 {
1043         return aac_show_serial_number(device, &aac_serial_number, buf);
1044 }
1045 
1046 static const struct file_operations aac_cfg_fops = {
1047         .owner          = THIS_MODULE,
1048         .unlocked_ioctl = aac_cfg_ioctl,
1049 #ifdef CONFIG_COMPAT
1050         .compat_ioctl   = aac_compat_cfg_ioctl,
1051 #endif
1052         .open           = aac_cfg_open,
1053         .llseek         = noop_llseek,
1054 };
1055 
1056 static struct scsi_host_template aac_driver_template = {
1057         .module                         = THIS_MODULE,
1058         .name                           = "AAC",
1059         .proc_name                      = AAC_DRIVERNAME,
1060         .info                           = aac_info,
1061         .ioctl                          = aac_ioctl,
1062 #ifdef CONFIG_COMPAT
1063         .compat_ioctl                   = aac_compat_ioctl,
1064 #endif
1065         .queuecommand                   = aac_queuecommand,
1066         .bios_param                     = aac_biosparm,
1067         .shost_attrs                    = aac_attrs,
1068         .slave_configure                = aac_slave_configure,
1069         .change_queue_depth             = aac_change_queue_depth,
1070         .sdev_attrs                     = aac_dev_attrs,
1071         .eh_abort_handler               = aac_eh_abort,
1072         .eh_host_reset_handler          = aac_eh_reset,
1073         .can_queue                      = AAC_NUM_IO_FIB,
1074         .this_id                        = MAXIMUM_NUM_CONTAINERS,
1075         .sg_tablesize                   = 16,
1076         .max_sectors                    = 128,
1077 #if (AAC_NUM_IO_FIB > 256)
1078         .cmd_per_lun                    = 256,
1079 #else
1080         .cmd_per_lun                    = AAC_NUM_IO_FIB,
1081 #endif
1082         .use_clustering                 = ENABLE_CLUSTERING,
1083         .emulated                       = 1,
1084         .no_write_same                  = 1,
1085 };
1086 
1087 static void __aac_shutdown(struct aac_dev * aac)
1088 {
1089         if (aac->aif_thread) {
1090                 int i;
1091                 /* Clear out events first */
1092                 for (i = 0; i < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++) {
1093                         struct fib *fib = &aac->fibs[i];
1094                         if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) &&
1095                             (fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected)))
1096                                 up(&fib->event_wait);
1097                 }
1098                 kthread_stop(aac->thread);
1099         }
1100         aac_send_shutdown(aac);
1101         aac_adapter_disable_int(aac);
1102         free_irq(aac->pdev->irq, aac);
1103         if (aac->msi)
1104                 pci_disable_msi(aac->pdev);
1105 }
1106 
1107 static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1108 {
1109         unsigned index = id->driver_data;
1110         struct Scsi_Host *shost;
1111         struct aac_dev *aac;
1112         struct list_head *insert = &aac_devices;
1113         int error = -ENODEV;
1114         int unique_id = 0;
1115         u64 dmamask;
1116         extern int aac_sync_mode;
1117 
1118         list_for_each_entry(aac, &aac_devices, entry) {
1119                 if (aac->id > unique_id)
1120                         break;
1121                 insert = &aac->entry;
1122                 unique_id++;
1123         }
1124 
1125         pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
1126                                PCIE_LINK_STATE_CLKPM);
1127 
1128         error = pci_enable_device(pdev);
1129         if (error)
1130                 goto out;
1131         error = -ENODEV;
1132 
1133         /*
1134          * If the quirk31 bit is set, the adapter needs adapter
1135          * to driver communication memory to be allocated below 2gig
1136          */
1137         if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1138                 dmamask = DMA_BIT_MASK(31);
1139         else
1140                 dmamask = DMA_BIT_MASK(32);
1141 
1142         if (pci_set_dma_mask(pdev, dmamask) ||
1143                         pci_set_consistent_dma_mask(pdev, dmamask))
1144                 goto out_disable_pdev;
1145 
1146         pci_set_master(pdev);
1147 
1148         shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1149         if (!shost)
1150                 goto out_disable_pdev;
1151 
1152         shost->irq = pdev->irq;
1153         shost->unique_id = unique_id;
1154         shost->max_cmd_len = 16;
1155 
1156         aac = (struct aac_dev *)shost->hostdata;
1157         aac->base_start = pci_resource_start(pdev, 0);
1158         aac->scsi_host_ptr = shost;
1159         aac->pdev = pdev;
1160         aac->name = aac_driver_template.name;
1161         aac->id = shost->unique_id;
1162         aac->cardtype = index;
1163         INIT_LIST_HEAD(&aac->entry);
1164 
1165         aac->fibs = kzalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
1166         if (!aac->fibs)
1167                 goto out_free_host;
1168         spin_lock_init(&aac->fib_lock);
1169 
1170         /*
1171          *      Map in the registers from the adapter.
1172          */
1173         aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1174         if ((*aac_drivers[index].init)(aac))
1175                 goto out_unmap;
1176 
1177         if (aac->sync_mode) {
1178                 if (aac_sync_mode)
1179                         printk(KERN_INFO "%s%d: Sync. mode enforced "
1180                                 "by driver parameter. This will cause "
1181                                 "a significant performance decrease!\n",
1182                                 aac->name,
1183                                 aac->id);
1184                 else
1185                         printk(KERN_INFO "%s%d: Async. mode not supported "
1186                                 "by current driver, sync. mode enforced."
1187                                 "\nPlease update driver to get full performance.\n",
1188                                 aac->name,
1189                                 aac->id);
1190         }
1191 
1192         /*
1193          *      Start any kernel threads needed
1194          */
1195         aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1196         if (IS_ERR(aac->thread)) {
1197                 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1198                 error = PTR_ERR(aac->thread);
1199                 aac->thread = NULL;
1200                 goto out_deinit;
1201         }
1202 
1203         /*
1204          * If we had set a smaller DMA mask earlier, set it to 4gig
1205          * now since the adapter can dma data to at least a 4gig
1206          * address space.
1207          */
1208         if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1209                 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)))
1210                         goto out_deinit;
1211 
1212         aac->maximum_num_channels = aac_drivers[index].channels;
1213         error = aac_get_adapter_info(aac);
1214         if (error < 0)
1215                 goto out_deinit;
1216 
1217         /*
1218          * Lets override negotiations and drop the maximum SG limit to 34
1219          */
1220         if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1221                         (shost->sg_tablesize > 34)) {
1222                 shost->sg_tablesize = 34;
1223                 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1224         }
1225 
1226         if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1227                         (shost->sg_tablesize > 17)) {
1228                 shost->sg_tablesize = 17;
1229                 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1230         }
1231 
1232         error = pci_set_dma_max_seg_size(pdev,
1233                 (aac->adapter_info.options & AAC_OPT_NEW_COMM) ?
1234                         (shost->max_sectors << 9) : 65536);
1235         if (error)
1236                 goto out_deinit;
1237 
1238         /*
1239          * Firmware printf works only with older firmware.
1240          */
1241         if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1242                 aac->printf_enabled = 1;
1243         else
1244                 aac->printf_enabled = 0;
1245 
1246         /*
1247          * max channel will be the physical channels plus 1 virtual channel
1248          * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1249          * physical channels are address by their actual physical number+1
1250          */
1251         if (aac->nondasd_support || expose_physicals || aac->jbod)
1252                 shost->max_channel = aac->maximum_num_channels;
1253         else
1254                 shost->max_channel = 0;
1255 
1256         aac_get_config_status(aac, 0);
1257         aac_get_containers(aac);
1258         list_add(&aac->entry, insert);
1259 
1260         shost->max_id = aac->maximum_num_containers;
1261         if (shost->max_id < aac->maximum_num_physicals)
1262                 shost->max_id = aac->maximum_num_physicals;
1263         if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1264                 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1265         else
1266                 shost->this_id = shost->max_id;
1267 
1268         /*
1269          * dmb - we may need to move the setting of these parms somewhere else once
1270          * we get a fib that can report the actual numbers
1271          */
1272         shost->max_lun = AAC_MAX_LUN;
1273 
1274         pci_set_drvdata(pdev, shost);
1275 
1276         error = scsi_add_host(shost, &pdev->dev);
1277         if (error)
1278                 goto out_deinit;
1279         scsi_scan_host(shost);
1280 
1281         return 0;
1282 
1283  out_deinit:
1284         __aac_shutdown(aac);
1285  out_unmap:
1286         aac_fib_map_free(aac);
1287         if (aac->comm_addr)
1288                 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1289                   aac->comm_phys);
1290         kfree(aac->queues);
1291         aac_adapter_ioremap(aac, 0);
1292         kfree(aac->fibs);
1293         kfree(aac->fsa_dev);
1294  out_free_host:
1295         scsi_host_put(shost);
1296  out_disable_pdev:
1297         pci_disable_device(pdev);
1298  out:
1299         return error;
1300 }
1301 
1302 static void aac_shutdown(struct pci_dev *dev)
1303 {
1304         struct Scsi_Host *shost = pci_get_drvdata(dev);
1305         scsi_block_requests(shost);
1306         __aac_shutdown((struct aac_dev *)shost->hostdata);
1307 }
1308 
1309 static void aac_remove_one(struct pci_dev *pdev)
1310 {
1311         struct Scsi_Host *shost = pci_get_drvdata(pdev);
1312         struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1313 
1314         scsi_remove_host(shost);
1315 
1316         __aac_shutdown(aac);
1317         aac_fib_map_free(aac);
1318         pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1319                         aac->comm_phys);
1320         kfree(aac->queues);
1321 
1322         aac_adapter_ioremap(aac, 0);
1323 
1324         kfree(aac->fibs);
1325         kfree(aac->fsa_dev);
1326 
1327         list_del(&aac->entry);
1328         scsi_host_put(shost);
1329         pci_disable_device(pdev);
1330         if (list_empty(&aac_devices)) {
1331                 unregister_chrdev(aac_cfg_major, "aac");
1332                 aac_cfg_major = -1;
1333         }
1334 }
1335 
1336 static struct pci_driver aac_pci_driver = {
1337         .name           = AAC_DRIVERNAME,
1338         .id_table       = aac_pci_tbl,
1339         .probe          = aac_probe_one,
1340         .remove         = aac_remove_one,
1341         .shutdown       = aac_shutdown,
1342 };
1343 
1344 static int __init aac_init(void)
1345 {
1346         int error;
1347 
1348         printk(KERN_INFO "Adaptec %s driver %s\n",
1349           AAC_DRIVERNAME, aac_driver_version);
1350 
1351         error = pci_register_driver(&aac_pci_driver);
1352         if (error < 0)
1353                 return error;
1354 
1355         aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops);
1356         if (aac_cfg_major < 0) {
1357                 printk(KERN_WARNING
1358                         "aacraid: unable to register \"aac\" device.\n");
1359         }
1360 
1361         return 0;
1362 }
1363 
1364 static void __exit aac_exit(void)
1365 {
1366         if (aac_cfg_major > -1)
1367                 unregister_chrdev(aac_cfg_major, "aac");
1368         pci_unregister_driver(&aac_pci_driver);
1369 }
1370 
1371 module_init(aac_init);
1372 module_exit(aac_exit);
1373 

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