Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
[muen/linux.git] / 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  *               2010-2015 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
10  *               2016-2017 Microsemi Corp. (aacraid@microsemi.com)
11  *
12  * This program is free software; you can redistribute it and/or modify
13  * it under the terms of the GNU General Public License as published by
14  * the Free Software Foundation; either version 2, or (at your option)
15  * any later version.
16  *
17  * This program is distributed in the hope that it will be useful,
18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
20  * GNU General Public License for more details.
21  *
22  * You should have received a copy of the GNU General Public License
23  * along with this program; see the file COPYING.  If not, write to
24  * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
25  *
26  * Module Name:
27  *   linit.c
28  *
29  * Abstract: Linux Driver entry module for Adaptec RAID Array Controller
30  */
31
32
33 #include <linux/compat.h>
34 #include <linux/blkdev.h>
35 #include <linux/completion.h>
36 #include <linux/init.h>
37 #include <linux/interrupt.h>
38 #include <linux/kernel.h>
39 #include <linux/module.h>
40 #include <linux/moduleparam.h>
41 #include <linux/pci.h>
42 #include <linux/aer.h>
43 #include <linux/pci-aspm.h>
44 #include <linux/slab.h>
45 #include <linux/mutex.h>
46 #include <linux/spinlock.h>
47 #include <linux/syscalls.h>
48 #include <linux/delay.h>
49 #include <linux/kthread.h>
50
51 #include <scsi/scsi.h>
52 #include <scsi/scsi_cmnd.h>
53 #include <scsi/scsi_device.h>
54 #include <scsi/scsi_host.h>
55 #include <scsi/scsi_tcq.h>
56 #include <scsi/scsicam.h>
57 #include <scsi/scsi_eh.h>
58
59 #include "aacraid.h"
60
61 #define AAC_DRIVER_VERSION              "1.2.1"
62 #ifndef AAC_DRIVER_BRANCH
63 #define AAC_DRIVER_BRANCH               ""
64 #endif
65 #define AAC_DRIVERNAME                  "aacraid"
66
67 #ifdef AAC_DRIVER_BUILD
68 #define _str(x) #x
69 #define str(x) _str(x)
70 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH
71 #else
72 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH
73 #endif
74
75 MODULE_AUTHOR("Red Hat Inc and Adaptec");
76 MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
77                    "Adaptec Advanced Raid Products, "
78                    "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver");
79 MODULE_LICENSE("GPL");
80 MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
81
82 static DEFINE_MUTEX(aac_mutex);
83 static LIST_HEAD(aac_devices);
84 static int aac_cfg_major = AAC_CHARDEV_UNREGISTERED;
85 char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
86
87 /*
88  * Because of the way Linux names scsi devices, the order in this table has
89  * become important.  Check for on-board Raid first, add-in cards second.
90  *
91  * Note: The last field is used to index into aac_drivers below.
92  */
93 static const struct pci_device_id aac_pci_tbl[] = {
94         { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */
95         { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */
96         { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */
97         { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
98         { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */
99         { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */
100         { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
101         { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */
102         { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */
103         { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */
104         { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */
105         { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */
106         { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */
107         { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */
108         { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */
109         { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */
110
111         { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */
112         { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */
113         { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
114         { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
115         { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
116         { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */
117         { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */
118         { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */
119         { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */
120         { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */
121         { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */
122         { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */
123         { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */
124         { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */
125         { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
126         { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
127         { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */
128         { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */
129         { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */
130         { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */
131         { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
132         { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
133         { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
134         { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
135         { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
136         { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
137         { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
138         { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */
139         { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */
140         { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */
141         { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */
142         { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */
143         { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */
144         { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */
145         { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */
146         { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */
147         { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */
148         { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */
149
150         { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/
151         { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/
152         { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/
153         { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */
154         { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */
155
156         { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */
157         { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */
158         { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */
159         { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */
160         { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */
161         { 0x9005, 0x028b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 62 }, /* Adaptec PMC Series 6 (Tupelo) */
162         { 0x9005, 0x028c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 63 }, /* Adaptec PMC Series 7 (Denali) */
163         { 0x9005, 0x028d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 64 }, /* Adaptec PMC Series 8 */
164         { 0,}
165 };
166 MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
167
168 /*
169  * dmb - For now we add the number of channels to this structure.
170  * In the future we should add a fib that reports the number of channels
171  * for the card.  At that time we can remove the channels from here
172  */
173 static struct aac_driver_ident aac_drivers[] = {
174         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */
175         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */
176         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */
177         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
178         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */
179         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */
180         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
181         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */
182         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */
183         { aac_rx_init, "aacraid",  "ADAPTEC ", "catapult        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */
184         { aac_rx_init, "aacraid",  "ADAPTEC ", "tomcat          ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */
185         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2120S   ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG },                     /* Adaptec 2120S (Crusader) */
186         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2200S   ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG },                     /* Adaptec 2200S (Vulcan) */
187         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2200S   ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */
188         { aac_rx_init, "aacraid",  "Legend  ", "Legend S220     ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */
189         { aac_rx_init, "aacraid",  "Legend  ", "Legend S230     ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */
190
191         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 3230S   ", 2 }, /* Adaptec 3230S (Harrier) */
192         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 3240S   ", 2 }, /* Adaptec 3240S (Tornado) */
193         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2020ZCR     ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
194         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2025ZCR     ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
195         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
196         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
197         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2820SA      ", 1 }, /* AAR-2820SA (Intruder) */
198         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2620SA      ", 1 }, /* AAR-2620SA (Intruder) */
199         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2420SA      ", 1 }, /* AAR-2420SA (Intruder) */
200         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9024RO       ", 2 }, /* ICP9024RO (Lancer) */
201         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9014RO       ", 1 }, /* ICP9014RO (Lancer) */
202         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9047MA       ", 1 }, /* ICP9047MA (Lancer) */
203         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9087MA       ", 1 }, /* ICP9087MA (Lancer) */
204         { aac_rkt_init, "aacraid",  "ICP     ", "ICP5445AU       ", 1 }, /* ICP5445AU (Hurricane44) */
205         { aac_rx_init, "aacraid",  "ICP     ", "ICP9085LI       ", 1 }, /* ICP9085LI (Marauder-X) */
206         { aac_rx_init, "aacraid",  "ICP     ", "ICP5085BR       ", 1 }, /* ICP5085BR (Marauder-E) */
207         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9067MA       ", 1 }, /* ICP9067MA (Intruder-6) */
208         { NULL        , "aacraid",  "ADAPTEC ", "Themisto        ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
209         { aac_rkt_init, "aacraid",  "ADAPTEC ", "Callisto        ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
210         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2020SA       ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
211         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2025SA       ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
212         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
213         { aac_rx_init, "aacraid",  "DELL    ", "CERC SR2        ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
214         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
215         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
216         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2026ZCR     ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
217         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2610SA      ", 1 }, /* SATA 6Ch (Bearcat) */
218         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2240S       ", 1 }, /* ASR-2240S (SabreExpress) */
219         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4005        ", 1 }, /* ASR-4005 */
220         { aac_rx_init, "ServeRAID","IBM     ", "ServeRAID 8i    ", 1 }, /* IBM 8i (AvonPark) */
221         { aac_rkt_init, "ServeRAID","IBM     ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */
222         { aac_rkt_init, "ServeRAID","IBM     ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */
223         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4000        ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */
224         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4800SAS     ", 1 }, /* ASR-4800SAS (Marauder-X) */
225         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4805SAS     ", 1 }, /* ASR-4805SAS (Marauder-E) */
226         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-3800        ", 1 }, /* ASR-3800 (Hurricane44) */
227
228         { aac_rx_init, "percraid", "DELL    ", "PERC 320/DC     ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
229         { aac_sa_init, "aacraid",  "ADAPTEC ", "Adaptec 5400S   ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
230         { aac_sa_init, "aacraid",  "ADAPTEC ", "AAC-364         ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
231         { aac_sa_init, "percraid", "DELL    ", "PERCRAID        ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */
232         { aac_sa_init, "hpnraid",  "HP      ", "NetRAID         ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
233
234         { aac_rx_init, "aacraid",  "DELL    ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */
235         { aac_rx_init, "aacraid",  "Legend  ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */
236         { aac_rx_init, "aacraid",  "ADAPTEC ", "RAID            ", 2 }, /* Adaptec Catch All */
237         { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID            ", 2 }, /* Adaptec Rocket Catch All */
238         { aac_nark_init, "aacraid", "ADAPTEC ", "RAID           ", 2 }, /* Adaptec NEMER/ARK Catch All */
239         { aac_src_init, "aacraid", "ADAPTEC ", "RAID            ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 6 (Tupelo) */
240         { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID            ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 7 (Denali) */
241         { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID            ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 8 */
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         int chn, tid;
406         unsigned int depth = 0;
407         unsigned int set_timeout = 0;
408         bool set_qd_dev_type = false;
409         u8 devtype = 0;
410
411         chn = aac_logical_to_phys(sdev_channel(sdev));
412         tid = sdev_id(sdev);
413         if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS && aac->sa_firmware) {
414                 devtype = aac->hba_map[chn][tid].devtype;
415
416                 if (devtype == AAC_DEVTYPE_NATIVE_RAW)
417                         depth = aac->hba_map[chn][tid].qd_limit;
418                 else if (devtype == AAC_DEVTYPE_ARC_RAW)
419                         set_qd_dev_type = true;
420
421                 set_timeout = 1;
422                 goto common_config;
423         }
424
425         if (aac->jbod && (sdev->type == TYPE_DISK))
426                 sdev->removable = 1;
427
428         if (sdev->type == TYPE_DISK
429          && sdev_channel(sdev) != CONTAINER_CHANNEL
430          && (!aac->jbod || sdev->inq_periph_qual)
431          && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
432
433                 if (expose_physicals == 0)
434                         return -ENXIO;
435
436                 if (expose_physicals < 0)
437                         sdev->no_uld_attach = 1;
438         }
439
440         if (sdev->tagged_supported
441          &&  sdev->type == TYPE_DISK
442          &&  (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
443          && !sdev->no_uld_attach) {
444
445                 struct scsi_device * dev;
446                 struct Scsi_Host *host = sdev->host;
447                 unsigned num_lsu = 0;
448                 unsigned num_one = 0;
449                 unsigned cid;
450
451                 set_timeout = 1;
452
453                 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
454                         if (aac->fsa_dev[cid].valid)
455                                 ++num_lsu;
456
457                 __shost_for_each_device(dev, host) {
458                         if (dev->tagged_supported
459                          && dev->type == TYPE_DISK
460                          && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
461                          && !dev->no_uld_attach) {
462                                 if ((sdev_channel(dev) != CONTAINER_CHANNEL)
463                                  || !aac->fsa_dev[sdev_id(dev)].valid) {
464                                         ++num_lsu;
465                                 }
466                         } else {
467                                 ++num_one;
468                         }
469                 }
470
471                 if (num_lsu == 0)
472                         ++num_lsu;
473
474                 depth = (host->can_queue - num_one) / num_lsu;
475
476                 if (sdev_channel(sdev) != NATIVE_CHANNEL)
477                         goto common_config;
478
479                 set_qd_dev_type = true;
480
481         }
482
483 common_config:
484
485         /*
486          * Check if SATA drive
487          */
488         if (set_qd_dev_type) {
489                 if (strncmp(sdev->vendor, "ATA", 3) == 0)
490                         depth = 32;
491                 else
492                         depth = 64;
493         }
494
495         /*
496          * Firmware has an individual device recovery time typically
497          * of 35 seconds, give us a margin.
498          */
499         if (set_timeout && sdev->request_queue->rq_timeout < (45 * HZ))
500                 blk_queue_rq_timeout(sdev->request_queue, 45*HZ);
501
502         if (depth > 256)
503                 depth = 256;
504         else if (depth < 1)
505                 depth = 1;
506
507         scsi_change_queue_depth(sdev, depth);
508
509         sdev->tagged_supported = 1;
510
511         return 0;
512 }
513
514 /**
515  *      aac_change_queue_depth          -       alter queue depths
516  *      @sdev:  SCSI device we are considering
517  *      @depth: desired queue depth
518  *
519  *      Alters queue depths for target device based on the host adapter's
520  *      total capacity and the queue depth supported by the target device.
521  */
522
523 static int aac_change_queue_depth(struct scsi_device *sdev, int depth)
524 {
525         struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
526         int chn, tid, is_native_device = 0;
527
528         chn = aac_logical_to_phys(sdev_channel(sdev));
529         tid = sdev_id(sdev);
530         if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS &&
531                 aac->hba_map[chn][tid].devtype == AAC_DEVTYPE_NATIVE_RAW)
532                 is_native_device = 1;
533
534         if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
535             (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
536                 struct scsi_device * dev;
537                 struct Scsi_Host *host = sdev->host;
538                 unsigned num = 0;
539
540                 __shost_for_each_device(dev, host) {
541                         if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
542                             (sdev_channel(dev) == CONTAINER_CHANNEL))
543                                 ++num;
544                         ++num;
545                 }
546                 if (num >= host->can_queue)
547                         num = host->can_queue - 1;
548                 if (depth > (host->can_queue - num))
549                         depth = host->can_queue - num;
550                 if (depth > 256)
551                         depth = 256;
552                 else if (depth < 2)
553                         depth = 2;
554                 return scsi_change_queue_depth(sdev, depth);
555         } else if (is_native_device) {
556                 scsi_change_queue_depth(sdev, aac->hba_map[chn][tid].qd_limit);
557         } else {
558                 scsi_change_queue_depth(sdev, 1);
559         }
560         return sdev->queue_depth;
561 }
562
563 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
564 {
565         struct scsi_device *sdev = to_scsi_device(dev);
566         struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
567         if (sdev_channel(sdev) != CONTAINER_CHANNEL)
568                 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
569                   ? "Hidden\n" :
570                   ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
571         return snprintf(buf, PAGE_SIZE, "%s\n",
572           get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
573 }
574
575 static struct device_attribute aac_raid_level_attr = {
576         .attr = {
577                 .name = "level",
578                 .mode = S_IRUGO,
579         },
580         .show = aac_show_raid_level
581 };
582
583 static ssize_t aac_show_unique_id(struct device *dev,
584              struct device_attribute *attr, char *buf)
585 {
586         struct scsi_device *sdev = to_scsi_device(dev);
587         struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
588         unsigned char sn[16];
589
590         memset(sn, 0, sizeof(sn));
591
592         if (sdev_channel(sdev) == CONTAINER_CHANNEL)
593                 memcpy(sn, aac->fsa_dev[sdev_id(sdev)].identifier, sizeof(sn));
594
595         return snprintf(buf, 16 * 2 + 2,
596                 "%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X\n",
597                 sn[0], sn[1], sn[2], sn[3],
598                 sn[4], sn[5], sn[6], sn[7],
599                 sn[8], sn[9], sn[10], sn[11],
600                 sn[12], sn[13], sn[14], sn[15]);
601 }
602
603 static struct device_attribute aac_unique_id_attr = {
604         .attr = {
605                 .name = "unique_id",
606                 .mode = 0444,
607         },
608         .show = aac_show_unique_id
609 };
610
611
612
613 static struct device_attribute *aac_dev_attrs[] = {
614         &aac_raid_level_attr,
615         &aac_unique_id_attr,
616         NULL,
617 };
618
619 static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
620 {
621         struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
622         if (!capable(CAP_SYS_RAWIO))
623                 return -EPERM;
624         return aac_do_ioctl(dev, cmd, arg);
625 }
626
627 static int get_num_of_incomplete_fibs(struct aac_dev *aac)
628 {
629
630         unsigned long flags;
631         struct scsi_device *sdev = NULL;
632         struct Scsi_Host *shost = aac->scsi_host_ptr;
633         struct scsi_cmnd *scmnd = NULL;
634         struct device *ctrl_dev;
635
636         int mlcnt  = 0;
637         int llcnt  = 0;
638         int ehcnt  = 0;
639         int fwcnt  = 0;
640         int krlcnt = 0;
641
642         __shost_for_each_device(sdev, shost) {
643                 spin_lock_irqsave(&sdev->list_lock, flags);
644                 list_for_each_entry(scmnd, &sdev->cmd_list, list) {
645                         switch (scmnd->SCp.phase) {
646                         case AAC_OWNER_FIRMWARE:
647                                 fwcnt++;
648                                 break;
649                         case AAC_OWNER_ERROR_HANDLER:
650                                 ehcnt++;
651                                 break;
652                         case AAC_OWNER_LOWLEVEL:
653                                 llcnt++;
654                                 break;
655                         case AAC_OWNER_MIDLEVEL:
656                                 mlcnt++;
657                                 break;
658                         default:
659                                 krlcnt++;
660                                 break;
661                         }
662                 }
663                 spin_unlock_irqrestore(&sdev->list_lock, flags);
664         }
665
666         ctrl_dev = &aac->pdev->dev;
667
668         dev_info(ctrl_dev, "outstanding cmd: midlevel-%d\n", mlcnt);
669         dev_info(ctrl_dev, "outstanding cmd: lowlevel-%d\n", llcnt);
670         dev_info(ctrl_dev, "outstanding cmd: error handler-%d\n", ehcnt);
671         dev_info(ctrl_dev, "outstanding cmd: firmware-%d\n", fwcnt);
672         dev_info(ctrl_dev, "outstanding cmd: kernel-%d\n", krlcnt);
673
674         return mlcnt + llcnt + ehcnt + fwcnt;
675 }
676
677 static int aac_eh_abort(struct scsi_cmnd* cmd)
678 {
679         struct scsi_device * dev = cmd->device;
680         struct Scsi_Host * host = dev->host;
681         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
682         int count, found;
683         u32 bus, cid;
684         int ret = FAILED;
685
686         if (aac_adapter_check_health(aac))
687                 return ret;
688
689         bus = aac_logical_to_phys(scmd_channel(cmd));
690         cid = scmd_id(cmd);
691         if (aac->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) {
692                 struct fib *fib;
693                 struct aac_hba_tm_req *tmf;
694                 int status;
695                 u64 address;
696
697                 pr_err("%s: Host adapter abort request (%d,%d,%d,%d)\n",
698                  AAC_DRIVERNAME,
699                  host->host_no, sdev_channel(dev), sdev_id(dev), (int)dev->lun);
700
701                 found = 0;
702                 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
703                         fib = &aac->fibs[count];
704                         if (*(u8 *)fib->hw_fib_va != 0 &&
705                                 (fib->flags & FIB_CONTEXT_FLAG_NATIVE_HBA) &&
706                                 (fib->callback_data == cmd)) {
707                                 found = 1;
708                                 break;
709                         }
710                 }
711                 if (!found)
712                         return ret;
713
714                 /* start a HBA_TMF_ABORT_TASK TMF request */
715                 fib = aac_fib_alloc(aac);
716                 if (!fib)
717                         return ret;
718
719                 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
720                 memset(tmf, 0, sizeof(*tmf));
721                 tmf->tmf = HBA_TMF_ABORT_TASK;
722                 tmf->it_nexus = aac->hba_map[bus][cid].rmw_nexus;
723                 tmf->lun[1] = cmd->device->lun;
724
725                 address = (u64)fib->hw_error_pa;
726                 tmf->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
727                 tmf->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
728                 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
729
730                 fib->hbacmd_size = sizeof(*tmf);
731                 cmd->SCp.sent_command = 0;
732
733                 status = aac_hba_send(HBA_IU_TYPE_SCSI_TM_REQ, fib,
734                                   (fib_callback) aac_hba_callback,
735                                   (void *) cmd);
736
737                 /* Wait up to 15 secs for completion */
738                 for (count = 0; count < 15; ++count) {
739                         if (cmd->SCp.sent_command) {
740                                 ret = SUCCESS;
741                                 break;
742                         }
743                         msleep(1000);
744                 }
745
746                 if (ret != SUCCESS)
747                         pr_err("%s: Host adapter abort request timed out\n",
748                         AAC_DRIVERNAME);
749         } else {
750                 pr_err(
751                         "%s: Host adapter abort request.\n"
752                         "%s: Outstanding commands on (%d,%d,%d,%d):\n",
753                         AAC_DRIVERNAME, AAC_DRIVERNAME,
754                         host->host_no, sdev_channel(dev), sdev_id(dev),
755                         (int)dev->lun);
756                 switch (cmd->cmnd[0]) {
757                 case SERVICE_ACTION_IN_16:
758                         if (!(aac->raw_io_interface) ||
759                             !(aac->raw_io_64) ||
760                             ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
761                                 break;
762                 case INQUIRY:
763                 case READ_CAPACITY:
764                         /*
765                          * Mark associated FIB to not complete,
766                          * eh handler does this
767                          */
768                         for (count = 0;
769                                 count < (host->can_queue + AAC_NUM_MGT_FIB);
770                                 ++count) {
771                                 struct fib *fib = &aac->fibs[count];
772
773                                 if (fib->hw_fib_va->header.XferState &&
774                                 (fib->flags & FIB_CONTEXT_FLAG) &&
775                                 (fib->callback_data == cmd)) {
776                                         fib->flags |=
777                                                 FIB_CONTEXT_FLAG_TIMED_OUT;
778                                         cmd->SCp.phase =
779                                                 AAC_OWNER_ERROR_HANDLER;
780                                         ret = SUCCESS;
781                                 }
782                         }
783                         break;
784                 case TEST_UNIT_READY:
785                         /*
786                          * Mark associated FIB to not complete,
787                          * eh handler does this
788                          */
789                         for (count = 0;
790                                 count < (host->can_queue + AAC_NUM_MGT_FIB);
791                                 ++count) {
792                                 struct scsi_cmnd *command;
793                                 struct fib *fib = &aac->fibs[count];
794
795                                 command = fib->callback_data;
796
797                                 if ((fib->hw_fib_va->header.XferState &
798                                         cpu_to_le32
799                                         (Async | NoResponseExpected)) &&
800                                         (fib->flags & FIB_CONTEXT_FLAG) &&
801                                         ((command)) &&
802                                         (command->device == cmd->device)) {
803                                         fib->flags |=
804                                                 FIB_CONTEXT_FLAG_TIMED_OUT;
805                                         command->SCp.phase =
806                                                 AAC_OWNER_ERROR_HANDLER;
807                                         if (command == cmd)
808                                                 ret = SUCCESS;
809                                 }
810                         }
811                         break;
812                 }
813         }
814         return ret;
815 }
816
817 static u8 aac_eh_tmf_lun_reset_fib(struct aac_hba_map_info *info,
818                                    struct fib *fib, u64 tmf_lun)
819 {
820         struct aac_hba_tm_req *tmf;
821         u64 address;
822
823         /* start a HBA_TMF_LUN_RESET TMF request */
824         tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
825         memset(tmf, 0, sizeof(*tmf));
826         tmf->tmf = HBA_TMF_LUN_RESET;
827         tmf->it_nexus = info->rmw_nexus;
828         int_to_scsilun(tmf_lun, (struct scsi_lun *)tmf->lun);
829
830         address = (u64)fib->hw_error_pa;
831         tmf->error_ptr_hi = cpu_to_le32
832                 ((u32)(address >> 32));
833         tmf->error_ptr_lo = cpu_to_le32
834                 ((u32)(address & 0xffffffff));
835         tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
836         fib->hbacmd_size = sizeof(*tmf);
837
838         return HBA_IU_TYPE_SCSI_TM_REQ;
839 }
840
841 static u8 aac_eh_tmf_hard_reset_fib(struct aac_hba_map_info *info,
842                                     struct fib *fib)
843 {
844         struct aac_hba_reset_req *rst;
845         u64 address;
846
847         /* already tried, start a hard reset now */
848         rst = (struct aac_hba_reset_req *)fib->hw_fib_va;
849         memset(rst, 0, sizeof(*rst));
850         rst->it_nexus = info->rmw_nexus;
851
852         address = (u64)fib->hw_error_pa;
853         rst->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
854         rst->error_ptr_lo = cpu_to_le32
855                 ((u32)(address & 0xffffffff));
856         rst->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
857         fib->hbacmd_size = sizeof(*rst);
858
859        return HBA_IU_TYPE_SATA_REQ;
860 }
861
862 void aac_tmf_callback(void *context, struct fib *fibptr)
863 {
864         struct aac_hba_resp *err =
865                 &((struct aac_native_hba *)fibptr->hw_fib_va)->resp.err;
866         struct aac_hba_map_info *info = context;
867         int res;
868
869         switch (err->service_response) {
870         case HBA_RESP_SVCRES_TMF_REJECTED:
871                 res = -1;
872                 break;
873         case HBA_RESP_SVCRES_TMF_LUN_INVALID:
874                 res = 0;
875                 break;
876         case HBA_RESP_SVCRES_TMF_COMPLETE:
877         case HBA_RESP_SVCRES_TMF_SUCCEEDED:
878                 res = 0;
879                 break;
880         default:
881                 res = -2;
882                 break;
883         }
884         aac_fib_complete(fibptr);
885
886         info->reset_state = res;
887 }
888
889 /*
890  *      aac_eh_dev_reset        - Device reset command handling
891  *      @scsi_cmd:      SCSI command block causing the reset
892  *
893  */
894 static int aac_eh_dev_reset(struct scsi_cmnd *cmd)
895 {
896         struct scsi_device * dev = cmd->device;
897         struct Scsi_Host * host = dev->host;
898         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
899         struct aac_hba_map_info *info;
900         int count;
901         u32 bus, cid;
902         struct fib *fib;
903         int ret = FAILED;
904         int status;
905         u8 command;
906
907         bus = aac_logical_to_phys(scmd_channel(cmd));
908         cid = scmd_id(cmd);
909
910         if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS)
911                 return FAILED;
912
913         info = &aac->hba_map[bus][cid];
914
915         if (info->devtype != AAC_DEVTYPE_NATIVE_RAW &&
916             info->reset_state > 0)
917                 return FAILED;
918
919         pr_err("%s: Host adapter reset request. SCSI hang ?\n",
920                AAC_DRIVERNAME);
921
922         fib = aac_fib_alloc(aac);
923         if (!fib)
924                 return ret;
925
926         /* start a HBA_TMF_LUN_RESET TMF request */
927         command = aac_eh_tmf_lun_reset_fib(info, fib, dev->lun);
928
929         info->reset_state = 1;
930
931         status = aac_hba_send(command, fib,
932                               (fib_callback) aac_tmf_callback,
933                               (void *) info);
934
935         /* Wait up to 15 seconds for completion */
936         for (count = 0; count < 15; ++count) {
937                 if (info->reset_state == 0) {
938                         ret = info->reset_state == 0 ? SUCCESS : FAILED;
939                         break;
940                 }
941                 msleep(1000);
942         }
943
944         return ret;
945 }
946
947 /*
948  *      aac_eh_target_reset     - Target reset command handling
949  *      @scsi_cmd:      SCSI command block causing the reset
950  *
951  */
952 static int aac_eh_target_reset(struct scsi_cmnd *cmd)
953 {
954         struct scsi_device * dev = cmd->device;
955         struct Scsi_Host * host = dev->host;
956         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
957         struct aac_hba_map_info *info;
958         int count;
959         u32 bus, cid;
960         int ret = FAILED;
961         struct fib *fib;
962         int status;
963         u8 command;
964
965         bus = aac_logical_to_phys(scmd_channel(cmd));
966         cid = scmd_id(cmd);
967
968         if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS)
969                 return FAILED;
970
971         info = &aac->hba_map[bus][cid];
972
973         if (info->devtype != AAC_DEVTYPE_NATIVE_RAW &&
974             info->reset_state > 0)
975                 return FAILED;
976
977         pr_err("%s: Host adapter reset request. SCSI hang ?\n",
978                AAC_DRIVERNAME);
979
980         fib = aac_fib_alloc(aac);
981         if (!fib)
982                 return ret;
983
984
985         /* already tried, start a hard reset now */
986         command = aac_eh_tmf_hard_reset_fib(info, fib);
987
988         info->reset_state = 2;
989
990         status = aac_hba_send(command, fib,
991                               (fib_callback) aac_tmf_callback,
992                               (void *) info);
993
994         /* Wait up to 15 seconds for completion */
995         for (count = 0; count < 15; ++count) {
996                 if (info->reset_state <= 0) {
997                         ret = info->reset_state == 0 ? SUCCESS : FAILED;
998                         break;
999                 }
1000                 msleep(1000);
1001         }
1002
1003         return ret;
1004 }
1005
1006 /*
1007  *      aac_eh_bus_reset        - Bus reset command handling
1008  *      @scsi_cmd:      SCSI command block causing the reset
1009  *
1010  */
1011 static int aac_eh_bus_reset(struct scsi_cmnd* cmd)
1012 {
1013         struct scsi_device * dev = cmd->device;
1014         struct Scsi_Host * host = dev->host;
1015         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
1016         int count;
1017         u32 cmd_bus;
1018         int status = 0;
1019
1020
1021         cmd_bus = aac_logical_to_phys(scmd_channel(cmd));
1022         /* Mark the assoc. FIB to not complete, eh handler does this */
1023         for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
1024                 struct fib *fib = &aac->fibs[count];
1025
1026                 if (fib->hw_fib_va->header.XferState &&
1027                     (fib->flags & FIB_CONTEXT_FLAG) &&
1028                     (fib->flags & FIB_CONTEXT_FLAG_SCSI_CMD)) {
1029                         struct aac_hba_map_info *info;
1030                         u32 bus, cid;
1031
1032                         cmd = (struct scsi_cmnd *)fib->callback_data;
1033                         bus = aac_logical_to_phys(scmd_channel(cmd));
1034                         if (bus != cmd_bus)
1035                                 continue;
1036                         cid = scmd_id(cmd);
1037                         info = &aac->hba_map[bus][cid];
1038                         if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS ||
1039                             info->devtype != AAC_DEVTYPE_NATIVE_RAW) {
1040                                 fib->flags |= FIB_CONTEXT_FLAG_EH_RESET;
1041                                 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
1042                         }
1043                 }
1044         }
1045
1046         pr_err("%s: Host adapter reset request. SCSI hang ?\n", AAC_DRIVERNAME);
1047
1048         /*
1049          * Check the health of the controller
1050          */
1051         status = aac_adapter_check_health(aac);
1052         if (status)
1053                 dev_err(&aac->pdev->dev, "Adapter health - %d\n", status);
1054
1055         count = get_num_of_incomplete_fibs(aac);
1056         return (count == 0) ? SUCCESS : FAILED;
1057 }
1058
1059 /*
1060  *      aac_eh_host_reset       - Host reset command handling
1061  *      @scsi_cmd:      SCSI command block causing the reset
1062  *
1063  */
1064 int aac_eh_host_reset(struct scsi_cmnd *cmd)
1065 {
1066         struct scsi_device * dev = cmd->device;
1067         struct Scsi_Host * host = dev->host;
1068         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
1069         int ret = FAILED;
1070         __le32 supported_options2 = 0;
1071         bool is_mu_reset;
1072         bool is_ignore_reset;
1073         bool is_doorbell_reset;
1074
1075         /*
1076          * Check if reset is supported by the firmware
1077          */
1078         supported_options2 = aac->supplement_adapter_info.supported_options2;
1079         is_mu_reset = supported_options2 & AAC_OPTION_MU_RESET;
1080         is_doorbell_reset = supported_options2 & AAC_OPTION_DOORBELL_RESET;
1081         is_ignore_reset = supported_options2 & AAC_OPTION_IGNORE_RESET;
1082         /*
1083          * This adapter needs a blind reset, only do so for
1084          * Adapters that support a register, instead of a commanded,
1085          * reset.
1086          */
1087         if ((is_mu_reset || is_doorbell_reset)
1088          && aac_check_reset
1089          && (aac_check_reset != -1 || !is_ignore_reset)) {
1090                 /* Bypass wait for command quiesce */
1091                 if (aac_reset_adapter(aac, 2, IOP_HWSOFT_RESET) == 0)
1092                         ret = SUCCESS;
1093         }
1094         /*
1095          * Reset EH state
1096          */
1097         if (ret == SUCCESS) {
1098                 int bus, cid;
1099                 struct aac_hba_map_info *info;
1100
1101                 for (bus = 0; bus < AAC_MAX_BUSES; bus++) {
1102                         for (cid = 0; cid < AAC_MAX_TARGETS; cid++) {
1103                                 info = &aac->hba_map[bus][cid];
1104                                 if (info->devtype == AAC_DEVTYPE_NATIVE_RAW)
1105                                         info->reset_state = 0;
1106                         }
1107                 }
1108         }
1109         return ret;
1110 }
1111
1112 /**
1113  *      aac_cfg_open            -       open a configuration file
1114  *      @inode: inode being opened
1115  *      @file: file handle attached
1116  *
1117  *      Called when the configuration device is opened. Does the needed
1118  *      set up on the handle and then returns
1119  *
1120  *      Bugs: This needs extending to check a given adapter is present
1121  *      so we can support hot plugging, and to ref count adapters.
1122  */
1123
1124 static int aac_cfg_open(struct inode *inode, struct file *file)
1125 {
1126         struct aac_dev *aac;
1127         unsigned minor_number = iminor(inode);
1128         int err = -ENODEV;
1129
1130         mutex_lock(&aac_mutex);  /* BKL pushdown: nothing else protects this list */
1131         list_for_each_entry(aac, &aac_devices, entry) {
1132                 if (aac->id == minor_number) {
1133                         file->private_data = aac;
1134                         err = 0;
1135                         break;
1136                 }
1137         }
1138         mutex_unlock(&aac_mutex);
1139
1140         return err;
1141 }
1142
1143 /**
1144  *      aac_cfg_ioctl           -       AAC configuration request
1145  *      @inode: inode of device
1146  *      @file: file handle
1147  *      @cmd: ioctl command code
1148  *      @arg: argument
1149  *
1150  *      Handles a configuration ioctl. Currently this involves wrapping it
1151  *      up and feeding it into the nasty windowsalike glue layer.
1152  *
1153  *      Bugs: Needs locking against parallel ioctls lower down
1154  *      Bugs: Needs to handle hot plugging
1155  */
1156
1157 static long aac_cfg_ioctl(struct file *file,
1158                 unsigned int cmd, unsigned long arg)
1159 {
1160         struct aac_dev *aac = (struct aac_dev *)file->private_data;
1161
1162         if (!capable(CAP_SYS_RAWIO))
1163                 return -EPERM;
1164
1165         return aac_do_ioctl(aac, cmd, (void __user *)arg);
1166 }
1167
1168 #ifdef CONFIG_COMPAT
1169 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
1170 {
1171         long ret;
1172         switch (cmd) {
1173         case FSACTL_MINIPORT_REV_CHECK:
1174         case FSACTL_SENDFIB:
1175         case FSACTL_OPEN_GET_ADAPTER_FIB:
1176         case FSACTL_CLOSE_GET_ADAPTER_FIB:
1177         case FSACTL_SEND_RAW_SRB:
1178         case FSACTL_GET_PCI_INFO:
1179         case FSACTL_QUERY_DISK:
1180         case FSACTL_DELETE_DISK:
1181         case FSACTL_FORCE_DELETE_DISK:
1182         case FSACTL_GET_CONTAINERS:
1183         case FSACTL_SEND_LARGE_FIB:
1184                 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
1185                 break;
1186
1187         case FSACTL_GET_NEXT_ADAPTER_FIB: {
1188                 struct fib_ioctl __user *f;
1189
1190                 f = compat_alloc_user_space(sizeof(*f));
1191                 ret = 0;
1192                 if (clear_user(f, sizeof(*f)))
1193                         ret = -EFAULT;
1194                 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
1195                         ret = -EFAULT;
1196                 if (!ret)
1197                         ret = aac_do_ioctl(dev, cmd, f);
1198                 break;
1199         }
1200
1201         default:
1202                 ret = -ENOIOCTLCMD;
1203                 break;
1204         }
1205         return ret;
1206 }
1207
1208 static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
1209 {
1210         struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
1211         if (!capable(CAP_SYS_RAWIO))
1212                 return -EPERM;
1213         return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
1214 }
1215
1216 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
1217 {
1218         if (!capable(CAP_SYS_RAWIO))
1219                 return -EPERM;
1220         return aac_compat_do_ioctl(file->private_data, cmd, arg);
1221 }
1222 #endif
1223
1224 static ssize_t aac_show_model(struct device *device,
1225                               struct device_attribute *attr, char *buf)
1226 {
1227         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1228         int len;
1229
1230         if (dev->supplement_adapter_info.adapter_type_text[0]) {
1231                 char *cp = dev->supplement_adapter_info.adapter_type_text;
1232                 while (*cp && *cp != ' ')
1233                         ++cp;
1234                 while (*cp == ' ')
1235                         ++cp;
1236                 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
1237         } else
1238                 len = snprintf(buf, PAGE_SIZE, "%s\n",
1239                   aac_drivers[dev->cardtype].model);
1240         return len;
1241 }
1242
1243 static ssize_t aac_show_vendor(struct device *device,
1244                                struct device_attribute *attr, char *buf)
1245 {
1246         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1247         struct aac_supplement_adapter_info *sup_adap_info;
1248         int len;
1249
1250         sup_adap_info = &dev->supplement_adapter_info;
1251         if (sup_adap_info->adapter_type_text[0]) {
1252                 char *cp = sup_adap_info->adapter_type_text;
1253                 while (*cp && *cp != ' ')
1254                         ++cp;
1255                 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
1256                         (int)(cp - (char *)sup_adap_info->adapter_type_text),
1257                                         sup_adap_info->adapter_type_text);
1258         } else
1259                 len = snprintf(buf, PAGE_SIZE, "%s\n",
1260                         aac_drivers[dev->cardtype].vname);
1261         return len;
1262 }
1263
1264 static ssize_t aac_show_flags(struct device *cdev,
1265                               struct device_attribute *attr, char *buf)
1266 {
1267         int len = 0;
1268         struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
1269
1270         if (nblank(dprintk(x)))
1271                 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
1272 #ifdef AAC_DETAILED_STATUS_INFO
1273         len += snprintf(buf + len, PAGE_SIZE - len,
1274                         "AAC_DETAILED_STATUS_INFO\n");
1275 #endif
1276         if (dev->raw_io_interface && dev->raw_io_64)
1277                 len += snprintf(buf + len, PAGE_SIZE - len,
1278                                 "SAI_READ_CAPACITY_16\n");
1279         if (dev->jbod)
1280                 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n");
1281         if (dev->supplement_adapter_info.supported_options2 &
1282                 AAC_OPTION_POWER_MANAGEMENT)
1283                 len += snprintf(buf + len, PAGE_SIZE - len,
1284                                 "SUPPORTED_POWER_MANAGEMENT\n");
1285         if (dev->msi)
1286                 len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
1287         return len;
1288 }
1289
1290 static ssize_t aac_show_kernel_version(struct device *device,
1291                                        struct device_attribute *attr,
1292                                        char *buf)
1293 {
1294         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1295         int len, tmp;
1296
1297         tmp = le32_to_cpu(dev->adapter_info.kernelrev);
1298         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1299           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1300           le32_to_cpu(dev->adapter_info.kernelbuild));
1301         return len;
1302 }
1303
1304 static ssize_t aac_show_monitor_version(struct device *device,
1305                                         struct device_attribute *attr,
1306                                         char *buf)
1307 {
1308         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1309         int len, tmp;
1310
1311         tmp = le32_to_cpu(dev->adapter_info.monitorrev);
1312         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1313           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1314           le32_to_cpu(dev->adapter_info.monitorbuild));
1315         return len;
1316 }
1317
1318 static ssize_t aac_show_bios_version(struct device *device,
1319                                      struct device_attribute *attr,
1320                                      char *buf)
1321 {
1322         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1323         int len, tmp;
1324
1325         tmp = le32_to_cpu(dev->adapter_info.biosrev);
1326         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1327           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1328           le32_to_cpu(dev->adapter_info.biosbuild));
1329         return len;
1330 }
1331
1332 static ssize_t aac_show_driver_version(struct device *device,
1333                                         struct device_attribute *attr,
1334                                         char *buf)
1335 {
1336         return snprintf(buf, PAGE_SIZE, "%s\n", aac_driver_version);
1337 }
1338
1339 static ssize_t aac_show_serial_number(struct device *device,
1340                                struct device_attribute *attr, char *buf)
1341 {
1342         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1343         int len = 0;
1344
1345         if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
1346                 len = snprintf(buf, 16, "%06X\n",
1347                   le32_to_cpu(dev->adapter_info.serial[0]));
1348         if (len &&
1349           !memcmp(&dev->supplement_adapter_info.mfg_pcba_serial_no[
1350             sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no)-len],
1351           buf, len-1))
1352                 len = snprintf(buf, 16, "%.*s\n",
1353                   (int)sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no),
1354                   dev->supplement_adapter_info.mfg_pcba_serial_no);
1355
1356         return min(len, 16);
1357 }
1358
1359 static ssize_t aac_show_max_channel(struct device *device,
1360                                     struct device_attribute *attr, char *buf)
1361 {
1362         return snprintf(buf, PAGE_SIZE, "%d\n",
1363           class_to_shost(device)->max_channel);
1364 }
1365
1366 static ssize_t aac_show_max_id(struct device *device,
1367                                struct device_attribute *attr, char *buf)
1368 {
1369         return snprintf(buf, PAGE_SIZE, "%d\n",
1370           class_to_shost(device)->max_id);
1371 }
1372
1373 static ssize_t aac_store_reset_adapter(struct device *device,
1374                                        struct device_attribute *attr,
1375                                        const char *buf, size_t count)
1376 {
1377         int retval = -EACCES;
1378
1379         if (!capable(CAP_SYS_ADMIN))
1380                 return retval;
1381
1382         retval = aac_reset_adapter(shost_priv(class_to_shost(device)),
1383                                         buf[0] == '!', IOP_HWSOFT_RESET);
1384         if (retval >= 0)
1385                 retval = count;
1386
1387         return retval;
1388 }
1389
1390 static ssize_t aac_show_reset_adapter(struct device *device,
1391                                       struct device_attribute *attr,
1392                                       char *buf)
1393 {
1394         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1395         int len, tmp;
1396
1397         tmp = aac_adapter_check_health(dev);
1398         if ((tmp == 0) && dev->in_reset)
1399                 tmp = -EBUSY;
1400         len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
1401         return len;
1402 }
1403
1404 static struct device_attribute aac_model = {
1405         .attr = {
1406                 .name = "model",
1407                 .mode = S_IRUGO,
1408         },
1409         .show = aac_show_model,
1410 };
1411 static struct device_attribute aac_vendor = {
1412         .attr = {
1413                 .name = "vendor",
1414                 .mode = S_IRUGO,
1415         },
1416         .show = aac_show_vendor,
1417 };
1418 static struct device_attribute aac_flags = {
1419         .attr = {
1420                 .name = "flags",
1421                 .mode = S_IRUGO,
1422         },
1423         .show = aac_show_flags,
1424 };
1425 static struct device_attribute aac_kernel_version = {
1426         .attr = {
1427                 .name = "hba_kernel_version",
1428                 .mode = S_IRUGO,
1429         },
1430         .show = aac_show_kernel_version,
1431 };
1432 static struct device_attribute aac_monitor_version = {
1433         .attr = {
1434                 .name = "hba_monitor_version",
1435                 .mode = S_IRUGO,
1436         },
1437         .show = aac_show_monitor_version,
1438 };
1439 static struct device_attribute aac_bios_version = {
1440         .attr = {
1441                 .name = "hba_bios_version",
1442                 .mode = S_IRUGO,
1443         },
1444         .show = aac_show_bios_version,
1445 };
1446 static struct device_attribute aac_lld_version = {
1447         .attr = {
1448                 .name = "driver_version",
1449                 .mode = 0444,
1450         },
1451         .show = aac_show_driver_version,
1452 };
1453 static struct device_attribute aac_serial_number = {
1454         .attr = {
1455                 .name = "serial_number",
1456                 .mode = S_IRUGO,
1457         },
1458         .show = aac_show_serial_number,
1459 };
1460 static struct device_attribute aac_max_channel = {
1461         .attr = {
1462                 .name = "max_channel",
1463                 .mode = S_IRUGO,
1464         },
1465         .show = aac_show_max_channel,
1466 };
1467 static struct device_attribute aac_max_id = {
1468         .attr = {
1469                 .name = "max_id",
1470                 .mode = S_IRUGO,
1471         },
1472         .show = aac_show_max_id,
1473 };
1474 static struct device_attribute aac_reset = {
1475         .attr = {
1476                 .name = "reset_host",
1477                 .mode = S_IWUSR|S_IRUGO,
1478         },
1479         .store = aac_store_reset_adapter,
1480         .show = aac_show_reset_adapter,
1481 };
1482
1483 static struct device_attribute *aac_attrs[] = {
1484         &aac_model,
1485         &aac_vendor,
1486         &aac_flags,
1487         &aac_kernel_version,
1488         &aac_monitor_version,
1489         &aac_bios_version,
1490         &aac_lld_version,
1491         &aac_serial_number,
1492         &aac_max_channel,
1493         &aac_max_id,
1494         &aac_reset,
1495         NULL
1496 };
1497
1498 ssize_t aac_get_serial_number(struct device *device, char *buf)
1499 {
1500         return aac_show_serial_number(device, &aac_serial_number, buf);
1501 }
1502
1503 static const struct file_operations aac_cfg_fops = {
1504         .owner          = THIS_MODULE,
1505         .unlocked_ioctl = aac_cfg_ioctl,
1506 #ifdef CONFIG_COMPAT
1507         .compat_ioctl   = aac_compat_cfg_ioctl,
1508 #endif
1509         .open           = aac_cfg_open,
1510         .llseek         = noop_llseek,
1511 };
1512
1513 static struct scsi_host_template aac_driver_template = {
1514         .module                         = THIS_MODULE,
1515         .name                           = "AAC",
1516         .proc_name                      = AAC_DRIVERNAME,
1517         .info                           = aac_info,
1518         .ioctl                          = aac_ioctl,
1519 #ifdef CONFIG_COMPAT
1520         .compat_ioctl                   = aac_compat_ioctl,
1521 #endif
1522         .queuecommand                   = aac_queuecommand,
1523         .bios_param                     = aac_biosparm,
1524         .shost_attrs                    = aac_attrs,
1525         .slave_configure                = aac_slave_configure,
1526         .change_queue_depth             = aac_change_queue_depth,
1527         .sdev_attrs                     = aac_dev_attrs,
1528         .eh_abort_handler               = aac_eh_abort,
1529         .eh_device_reset_handler        = aac_eh_dev_reset,
1530         .eh_target_reset_handler        = aac_eh_target_reset,
1531         .eh_bus_reset_handler           = aac_eh_bus_reset,
1532         .eh_host_reset_handler          = aac_eh_host_reset,
1533         .can_queue                      = AAC_NUM_IO_FIB,
1534         .this_id                        = MAXIMUM_NUM_CONTAINERS,
1535         .sg_tablesize                   = 16,
1536         .max_sectors                    = 128,
1537 #if (AAC_NUM_IO_FIB > 256)
1538         .cmd_per_lun                    = 256,
1539 #else
1540         .cmd_per_lun                    = AAC_NUM_IO_FIB,
1541 #endif
1542         .use_clustering                 = ENABLE_CLUSTERING,
1543         .emulated                       = 1,
1544         .no_write_same                  = 1,
1545 };
1546
1547 static void __aac_shutdown(struct aac_dev * aac)
1548 {
1549         int i;
1550
1551         mutex_lock(&aac->ioctl_mutex);
1552         aac->adapter_shutdown = 1;
1553         mutex_unlock(&aac->ioctl_mutex);
1554
1555         if (aac->aif_thread) {
1556                 int i;
1557                 /* Clear out events first */
1558                 for (i = 0; i < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++) {
1559                         struct fib *fib = &aac->fibs[i];
1560                         if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) &&
1561                             (fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected)))
1562                                 up(&fib->event_wait);
1563                 }
1564                 kthread_stop(aac->thread);
1565         }
1566
1567         aac_send_shutdown(aac);
1568
1569         aac_adapter_disable_int(aac);
1570
1571         if (aac_is_src(aac)) {
1572                 if (aac->max_msix > 1) {
1573                         for (i = 0; i < aac->max_msix; i++) {
1574                                 free_irq(pci_irq_vector(aac->pdev, i),
1575                                          &(aac->aac_msix[i]));
1576                         }
1577                 } else {
1578                         free_irq(aac->pdev->irq,
1579                                  &(aac->aac_msix[0]));
1580                 }
1581         } else {
1582                 free_irq(aac->pdev->irq, aac);
1583         }
1584         if (aac->msi)
1585                 pci_disable_msi(aac->pdev);
1586         else if (aac->max_msix > 1)
1587                 pci_disable_msix(aac->pdev);
1588 }
1589 static void aac_init_char(void)
1590 {
1591         aac_cfg_major = register_chrdev(0, "aac", &aac_cfg_fops);
1592         if (aac_cfg_major < 0) {
1593                 pr_err("aacraid: unable to register \"aac\" device.\n");
1594         }
1595 }
1596
1597 static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1598 {
1599         unsigned index = id->driver_data;
1600         struct Scsi_Host *shost;
1601         struct aac_dev *aac;
1602         struct list_head *insert = &aac_devices;
1603         int error = -ENODEV;
1604         int unique_id = 0;
1605         u64 dmamask;
1606         int mask_bits = 0;
1607         extern int aac_sync_mode;
1608
1609         /*
1610          * Only series 7 needs freset.
1611          */
1612         if (pdev->device == PMC_DEVICE_S7)
1613                 pdev->needs_freset = 1;
1614
1615         list_for_each_entry(aac, &aac_devices, entry) {
1616                 if (aac->id > unique_id)
1617                         break;
1618                 insert = &aac->entry;
1619                 unique_id++;
1620         }
1621
1622         pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
1623                                PCIE_LINK_STATE_CLKPM);
1624
1625         error = pci_enable_device(pdev);
1626         if (error)
1627                 goto out;
1628         error = -ENODEV;
1629
1630         if (!(aac_drivers[index].quirks & AAC_QUIRK_SRC)) {
1631                 error = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
1632                 if (error) {
1633                         dev_err(&pdev->dev, "PCI 32 BIT dma mask set failed");
1634                         goto out_disable_pdev;
1635                 }
1636         }
1637
1638         /*
1639          * If the quirk31 bit is set, the adapter needs adapter
1640          * to driver communication memory to be allocated below 2gig
1641          */
1642         if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) {
1643                 dmamask = DMA_BIT_MASK(31);
1644                 mask_bits = 31;
1645         } else {
1646                 dmamask = DMA_BIT_MASK(32);
1647                 mask_bits = 32;
1648         }
1649
1650         error = pci_set_consistent_dma_mask(pdev, dmamask);
1651         if (error) {
1652                 dev_err(&pdev->dev, "PCI %d B consistent dma mask set failed\n"
1653                                 , mask_bits);
1654                 goto out_disable_pdev;
1655         }
1656
1657         pci_set_master(pdev);
1658
1659         shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1660         if (!shost)
1661                 goto out_disable_pdev;
1662
1663         shost->irq = pdev->irq;
1664         shost->unique_id = unique_id;
1665         shost->max_cmd_len = 16;
1666         shost->use_cmd_list = 1;
1667
1668         if (aac_cfg_major == AAC_CHARDEV_NEEDS_REINIT)
1669                 aac_init_char();
1670
1671         aac = (struct aac_dev *)shost->hostdata;
1672         aac->base_start = pci_resource_start(pdev, 0);
1673         aac->scsi_host_ptr = shost;
1674         aac->pdev = pdev;
1675         aac->name = aac_driver_template.name;
1676         aac->id = shost->unique_id;
1677         aac->cardtype = index;
1678         INIT_LIST_HEAD(&aac->entry);
1679
1680         if (aac_reset_devices || reset_devices)
1681                 aac->init_reset = true;
1682
1683         aac->fibs = kzalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
1684         if (!aac->fibs)
1685                 goto out_free_host;
1686         spin_lock_init(&aac->fib_lock);
1687
1688         mutex_init(&aac->ioctl_mutex);
1689         mutex_init(&aac->scan_mutex);
1690
1691         INIT_DELAYED_WORK(&aac->safw_rescan_work, aac_safw_rescan_worker);
1692         /*
1693          *      Map in the registers from the adapter.
1694          */
1695         aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1696         if ((*aac_drivers[index].init)(aac)) {
1697                 error = -ENODEV;
1698                 goto out_unmap;
1699         }
1700
1701         if (aac->sync_mode) {
1702                 if (aac_sync_mode)
1703                         printk(KERN_INFO "%s%d: Sync. mode enforced "
1704                                 "by driver parameter. This will cause "
1705                                 "a significant performance decrease!\n",
1706                                 aac->name,
1707                                 aac->id);
1708                 else
1709                         printk(KERN_INFO "%s%d: Async. mode not supported "
1710                                 "by current driver, sync. mode enforced."
1711                                 "\nPlease update driver to get full performance.\n",
1712                                 aac->name,
1713                                 aac->id);
1714         }
1715
1716         /*
1717          *      Start any kernel threads needed
1718          */
1719         aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1720         if (IS_ERR(aac->thread)) {
1721                 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1722                 error = PTR_ERR(aac->thread);
1723                 aac->thread = NULL;
1724                 goto out_deinit;
1725         }
1726
1727         aac->maximum_num_channels = aac_drivers[index].channels;
1728         error = aac_get_adapter_info(aac);
1729         if (error < 0)
1730                 goto out_deinit;
1731
1732         /*
1733          * Lets override negotiations and drop the maximum SG limit to 34
1734          */
1735         if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1736                         (shost->sg_tablesize > 34)) {
1737                 shost->sg_tablesize = 34;
1738                 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1739         }
1740
1741         if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1742                         (shost->sg_tablesize > 17)) {
1743                 shost->sg_tablesize = 17;
1744                 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1745         }
1746
1747         error = pci_set_dma_max_seg_size(pdev,
1748                 (aac->adapter_info.options & AAC_OPT_NEW_COMM) ?
1749                         (shost->max_sectors << 9) : 65536);
1750         if (error)
1751                 goto out_deinit;
1752
1753         /*
1754          * Firmware printf works only with older firmware.
1755          */
1756         if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1757                 aac->printf_enabled = 1;
1758         else
1759                 aac->printf_enabled = 0;
1760
1761         /*
1762          * max channel will be the physical channels plus 1 virtual channel
1763          * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1764          * physical channels are address by their actual physical number+1
1765          */
1766         if (aac->nondasd_support || expose_physicals || aac->jbod)
1767                 shost->max_channel = aac->maximum_num_channels;
1768         else
1769                 shost->max_channel = 0;
1770
1771         aac_get_config_status(aac, 0);
1772         aac_get_containers(aac);
1773         list_add(&aac->entry, insert);
1774
1775         shost->max_id = aac->maximum_num_containers;
1776         if (shost->max_id < aac->maximum_num_physicals)
1777                 shost->max_id = aac->maximum_num_physicals;
1778         if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1779                 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1780         else
1781                 shost->this_id = shost->max_id;
1782
1783         if (!aac->sa_firmware && aac_drivers[index].quirks & AAC_QUIRK_SRC)
1784                 aac_intr_normal(aac, 0, 2, 0, NULL);
1785
1786         /*
1787          * dmb - we may need to move the setting of these parms somewhere else once
1788          * we get a fib that can report the actual numbers
1789          */
1790         shost->max_lun = AAC_MAX_LUN;
1791
1792         pci_set_drvdata(pdev, shost);
1793
1794         error = scsi_add_host(shost, &pdev->dev);
1795         if (error)
1796                 goto out_deinit;
1797
1798         aac_scan_host(aac);
1799
1800         pci_enable_pcie_error_reporting(pdev);
1801         pci_save_state(pdev);
1802
1803         return 0;
1804
1805  out_deinit:
1806         __aac_shutdown(aac);
1807  out_unmap:
1808         aac_fib_map_free(aac);
1809         if (aac->comm_addr)
1810                 dma_free_coherent(&aac->pdev->dev, aac->comm_size,
1811                                   aac->comm_addr, aac->comm_phys);
1812         kfree(aac->queues);
1813         aac_adapter_ioremap(aac, 0);
1814         kfree(aac->fibs);
1815         kfree(aac->fsa_dev);
1816  out_free_host:
1817         scsi_host_put(shost);
1818  out_disable_pdev:
1819         pci_disable_device(pdev);
1820  out:
1821         return error;
1822 }
1823
1824 static void aac_release_resources(struct aac_dev *aac)
1825 {
1826         aac_adapter_disable_int(aac);
1827         aac_free_irq(aac);
1828 }
1829
1830 static int aac_acquire_resources(struct aac_dev *dev)
1831 {
1832         unsigned long status;
1833         /*
1834          *      First clear out all interrupts.  Then enable the one's that we
1835          *      can handle.
1836          */
1837         while (!((status = src_readl(dev, MUnit.OMR)) & KERNEL_UP_AND_RUNNING)
1838                 || status == 0xffffffff)
1839                         msleep(20);
1840
1841         aac_adapter_disable_int(dev);
1842         aac_adapter_enable_int(dev);
1843
1844
1845         if (aac_is_src(dev))
1846                 aac_define_int_mode(dev);
1847
1848         if (dev->msi_enabled)
1849                 aac_src_access_devreg(dev, AAC_ENABLE_MSIX);
1850
1851         if (aac_acquire_irq(dev))
1852                 goto error_iounmap;
1853
1854         aac_adapter_enable_int(dev);
1855
1856         /*max msix may change  after EEH
1857          * Re-assign vectors to fibs
1858          */
1859         aac_fib_vector_assign(dev);
1860
1861         if (!dev->sync_mode) {
1862                 /* After EEH recovery or suspend resume, max_msix count
1863                  * may change, therefore updating in init as well.
1864                  */
1865                 dev->init->r7.no_of_msix_vectors = cpu_to_le32(dev->max_msix);
1866                 aac_adapter_start(dev);
1867         }
1868         return 0;
1869
1870 error_iounmap:
1871         return -1;
1872
1873 }
1874
1875 #if (defined(CONFIG_PM))
1876 static int aac_suspend(struct pci_dev *pdev, pm_message_t state)
1877 {
1878
1879         struct Scsi_Host *shost = pci_get_drvdata(pdev);
1880         struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1881
1882         scsi_block_requests(shost);
1883         aac_cancel_safw_rescan_worker(aac);
1884         aac_send_shutdown(aac);
1885
1886         aac_release_resources(aac);
1887
1888         pci_set_drvdata(pdev, shost);
1889         pci_save_state(pdev);
1890         pci_disable_device(pdev);
1891         pci_set_power_state(pdev, pci_choose_state(pdev, state));
1892
1893         return 0;
1894 }
1895
1896 static int aac_resume(struct pci_dev *pdev)
1897 {
1898         struct Scsi_Host *shost = pci_get_drvdata(pdev);
1899         struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1900         int r;
1901
1902         pci_set_power_state(pdev, PCI_D0);
1903         pci_enable_wake(pdev, PCI_D0, 0);
1904         pci_restore_state(pdev);
1905         r = pci_enable_device(pdev);
1906
1907         if (r)
1908                 goto fail_device;
1909
1910         pci_set_master(pdev);
1911         if (aac_acquire_resources(aac))
1912                 goto fail_device;
1913         /*
1914         * reset this flag to unblock ioctl() as it was set at
1915         * aac_send_shutdown() to block ioctls from upperlayer
1916         */
1917         aac->adapter_shutdown = 0;
1918         scsi_unblock_requests(shost);
1919
1920         return 0;
1921
1922 fail_device:
1923         printk(KERN_INFO "%s%d: resume failed.\n", aac->name, aac->id);
1924         scsi_host_put(shost);
1925         pci_disable_device(pdev);
1926         return -ENODEV;
1927 }
1928 #endif
1929
1930 static void aac_shutdown(struct pci_dev *dev)
1931 {
1932         struct Scsi_Host *shost = pci_get_drvdata(dev);
1933         scsi_block_requests(shost);
1934         __aac_shutdown((struct aac_dev *)shost->hostdata);
1935 }
1936
1937 static void aac_remove_one(struct pci_dev *pdev)
1938 {
1939         struct Scsi_Host *shost = pci_get_drvdata(pdev);
1940         struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1941
1942         aac_cancel_safw_rescan_worker(aac);
1943         scsi_remove_host(shost);
1944
1945         __aac_shutdown(aac);
1946         aac_fib_map_free(aac);
1947         dma_free_coherent(&aac->pdev->dev, aac->comm_size, aac->comm_addr,
1948                           aac->comm_phys);
1949         kfree(aac->queues);
1950
1951         aac_adapter_ioremap(aac, 0);
1952
1953         kfree(aac->fibs);
1954         kfree(aac->fsa_dev);
1955
1956         list_del(&aac->entry);
1957         scsi_host_put(shost);
1958         pci_disable_device(pdev);
1959         if (list_empty(&aac_devices)) {
1960                 unregister_chrdev(aac_cfg_major, "aac");
1961                 aac_cfg_major = AAC_CHARDEV_NEEDS_REINIT;
1962         }
1963 }
1964
1965 static void aac_flush_ios(struct aac_dev *aac)
1966 {
1967         int i;
1968         struct scsi_cmnd *cmd;
1969
1970         for (i = 0; i < aac->scsi_host_ptr->can_queue; i++) {
1971                 cmd = (struct scsi_cmnd *)aac->fibs[i].callback_data;
1972                 if (cmd && (cmd->SCp.phase == AAC_OWNER_FIRMWARE)) {
1973                         scsi_dma_unmap(cmd);
1974
1975                         if (aac->handle_pci_error)
1976                                 cmd->result = DID_NO_CONNECT << 16;
1977                         else
1978                                 cmd->result = DID_RESET << 16;
1979
1980                         cmd->scsi_done(cmd);
1981                 }
1982         }
1983 }
1984
1985 static pci_ers_result_t aac_pci_error_detected(struct pci_dev *pdev,
1986                                         enum pci_channel_state error)
1987 {
1988         struct Scsi_Host *shost = pci_get_drvdata(pdev);
1989         struct aac_dev *aac = shost_priv(shost);
1990
1991         dev_err(&pdev->dev, "aacraid: PCI error detected %x\n", error);
1992
1993         switch (error) {
1994         case pci_channel_io_normal:
1995                 return PCI_ERS_RESULT_CAN_RECOVER;
1996         case pci_channel_io_frozen:
1997                 aac->handle_pci_error = 1;
1998
1999                 scsi_block_requests(aac->scsi_host_ptr);
2000                 aac_cancel_safw_rescan_worker(aac);
2001                 aac_flush_ios(aac);
2002                 aac_release_resources(aac);
2003
2004                 pci_disable_pcie_error_reporting(pdev);
2005                 aac_adapter_ioremap(aac, 0);
2006
2007                 return PCI_ERS_RESULT_NEED_RESET;
2008         case pci_channel_io_perm_failure:
2009                 aac->handle_pci_error = 1;
2010
2011                 aac_flush_ios(aac);
2012                 return PCI_ERS_RESULT_DISCONNECT;
2013         }
2014
2015         return PCI_ERS_RESULT_NEED_RESET;
2016 }
2017
2018 static pci_ers_result_t aac_pci_mmio_enabled(struct pci_dev *pdev)
2019 {
2020         dev_err(&pdev->dev, "aacraid: PCI error - mmio enabled\n");
2021         return PCI_ERS_RESULT_NEED_RESET;
2022 }
2023
2024 static pci_ers_result_t aac_pci_slot_reset(struct pci_dev *pdev)
2025 {
2026         dev_err(&pdev->dev, "aacraid: PCI error - slot reset\n");
2027         pci_restore_state(pdev);
2028         if (pci_enable_device(pdev)) {
2029                 dev_warn(&pdev->dev,
2030                         "aacraid: failed to enable slave\n");
2031                 goto fail_device;
2032         }
2033
2034         pci_set_master(pdev);
2035
2036         if (pci_enable_device_mem(pdev)) {
2037                 dev_err(&pdev->dev, "pci_enable_device_mem failed\n");
2038                 goto fail_device;
2039         }
2040
2041         return PCI_ERS_RESULT_RECOVERED;
2042
2043 fail_device:
2044         dev_err(&pdev->dev, "aacraid: PCI error - slot reset failed\n");
2045         return PCI_ERS_RESULT_DISCONNECT;
2046 }
2047
2048
2049 static void aac_pci_resume(struct pci_dev *pdev)
2050 {
2051         struct Scsi_Host *shost = pci_get_drvdata(pdev);
2052         struct scsi_device *sdev = NULL;
2053         struct aac_dev *aac = (struct aac_dev *)shost_priv(shost);
2054
2055         pci_cleanup_aer_uncorrect_error_status(pdev);
2056
2057         if (aac_adapter_ioremap(aac, aac->base_size)) {
2058
2059                 dev_err(&pdev->dev, "aacraid: ioremap failed\n");
2060                 /* remap failed, go back ... */
2061                 aac->comm_interface = AAC_COMM_PRODUCER;
2062                 if (aac_adapter_ioremap(aac, AAC_MIN_FOOTPRINT_SIZE)) {
2063                         dev_warn(&pdev->dev,
2064                                 "aacraid: unable to map adapter.\n");
2065
2066                         return;
2067                 }
2068         }
2069
2070         msleep(10000);
2071
2072         aac_acquire_resources(aac);
2073
2074         /*
2075          * reset this flag to unblock ioctl() as it was set
2076          * at aac_send_shutdown() to block ioctls from upperlayer
2077          */
2078         aac->adapter_shutdown = 0;
2079         aac->handle_pci_error = 0;
2080
2081         shost_for_each_device(sdev, shost)
2082                 if (sdev->sdev_state == SDEV_OFFLINE)
2083                         sdev->sdev_state = SDEV_RUNNING;
2084         scsi_unblock_requests(aac->scsi_host_ptr);
2085         aac_scan_host(aac);
2086         pci_save_state(pdev);
2087
2088         dev_err(&pdev->dev, "aacraid: PCI error - resume\n");
2089 }
2090
2091 static struct pci_error_handlers aac_pci_err_handler = {
2092         .error_detected         = aac_pci_error_detected,
2093         .mmio_enabled           = aac_pci_mmio_enabled,
2094         .slot_reset             = aac_pci_slot_reset,
2095         .resume                 = aac_pci_resume,
2096 };
2097
2098 static struct pci_driver aac_pci_driver = {
2099         .name           = AAC_DRIVERNAME,
2100         .id_table       = aac_pci_tbl,
2101         .probe          = aac_probe_one,
2102         .remove         = aac_remove_one,
2103 #if (defined(CONFIG_PM))
2104         .suspend        = aac_suspend,
2105         .resume         = aac_resume,
2106 #endif
2107         .shutdown       = aac_shutdown,
2108         .err_handler    = &aac_pci_err_handler,
2109 };
2110
2111 static int __init aac_init(void)
2112 {
2113         int error;
2114
2115         printk(KERN_INFO "Adaptec %s driver %s\n",
2116           AAC_DRIVERNAME, aac_driver_version);
2117
2118         error = pci_register_driver(&aac_pci_driver);
2119         if (error < 0)
2120                 return error;
2121
2122         aac_init_char();
2123
2124
2125         return 0;
2126 }
2127
2128 static void __exit aac_exit(void)
2129 {
2130         if (aac_cfg_major > -1)
2131                 unregister_chrdev(aac_cfg_major, "aac");
2132         pci_unregister_driver(&aac_pci_driver);
2133 }
2134
2135 module_init(aac_init);
2136 module_exit(aac_exit);