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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * Adaptec AAC series RAID controller driver
Alan Coxfa195af2008-10-27 15:16:36 +00003 * (c) Copyright 2001 Red Hat Inc.
Linus Torvalds1da177e2005-04-16 15:20:36 -07004 *
5 * based on the old aacraid driver that is..
6 * Adaptec aacraid device driver for Linux.
7 *
Mahesh Rajashekharae8b12f02011-03-17 02:10:32 -07008 * Copyright (c) 2000-2010 Adaptec, Inc.
Raghava Aditya Renukuntaf4babba2017-02-02 15:53:36 -08009 * 2010-2015 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
10 * 2016-2017 Microsemi Corp. (aacraid@microsemi.com)
Linus Torvalds1da177e2005-04-16 15:20:36 -070011 *
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
Linus Torvalds1da177e2005-04-16 15:20:36 -070032
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>
Raghava Aditya Renukunta5c63f7f2016-02-03 15:06:01 -080042#include <linux/aer.h>
Vasily Averincf161232011-11-11 13:42:16 +040043#include <linux/pci-aspm.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070044#include <linux/slab.h>
Arnd Bergmannc45d15d2010-06-02 14:28:52 +020045#include <linux/mutex.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070046#include <linux/spinlock.h>
47#include <linux/syscalls.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070048#include <linux/delay.h>
Christoph Hellwigfe273812006-02-14 18:45:06 +010049#include <linux/kthread.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070050
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
Raghava Aditya Renukunta0ba8fda2017-02-02 15:53:37 -080061#define AAC_DRIVER_VERSION "1.2.1"
Mark Haverkamp9a72f972006-03-27 09:44:37 -080062#ifndef AAC_DRIVER_BRANCH
63#define AAC_DRIVER_BRANCH ""
64#endif
Mark Haverkamp9a72f972006-03-27 09:44:37 -080065#define AAC_DRIVERNAME "aacraid"
66
Mark Haverkampc7f47602005-08-03 15:38:55 -070067#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
Michal Marek571b16d2011-04-01 12:41:20 +020072#define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH
Mark Haverkampc7f47602005-08-03 15:38:55 -070073#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -070074
75MODULE_AUTHOR("Red Hat Inc and Adaptec");
76MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
77 "Adaptec Advanced Raid Products, "
Mark Haverkamp1241f352006-03-27 09:44:23 -080078 "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver");
Linus Torvalds1da177e2005-04-16 15:20:36 -070079MODULE_LICENSE("GPL");
Mark Haverkampc7f47602005-08-03 15:38:55 -070080MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
Linus Torvalds1da177e2005-04-16 15:20:36 -070081
Arnd Bergmannc45d15d2010-06-02 14:28:52 +020082static DEFINE_MUTEX(aac_mutex);
Linus Torvalds1da177e2005-04-16 15:20:36 -070083static LIST_HEAD(aac_devices);
Raghava Aditya Renukuntab9fb54b2016-02-03 15:06:07 -080084static int aac_cfg_major = AAC_CHARDEV_UNREGISTERED;
Mark Haverkampc7f47602005-08-03 15:38:55 -070085char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
Linus Torvalds1da177e2005-04-16 15:20:36 -070086
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 */
Greg Kroah-Hartman6f039792012-12-21 13:08:55 -080093static const struct pci_device_id aac_pci_tbl[] = {
Linus Torvalds1da177e2005-04-16 15:20:36 -070094 { 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) */
Salyzyn, Mark8e9d58e2006-12-18 15:01:41 -0500120 { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */
121 { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */
Mark Haverkamp84971732005-06-20 11:55:24 -0700122 { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */
123 { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */
Mark Haverkamp75c36282006-06-08 13:55:42 -0700124 { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */
Mark Haverkamp84971732005-06-20 11:55:24 -0700125 { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
126 { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
Mark Haverkamp8e87c2f2005-08-08 14:20:43 -0700127 { 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) */
Salyzyn, Mark8e9d58e2006-12-18 15:01:41 -0500140 { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */
Mark Haverkamp8e87c2f2005-08-08 14:20:43 -0700141 { 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) */
Salyzyn, Mark8e9d58e2006-12-18 15:01:41 -0500145 { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */
Mark Haverkamp8e87c2f2005-08-08 14:20:43 -0700146 { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */
147 { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */
Salyzyn, Mark8e9d58e2006-12-18 15:01:41 -0500148 { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700149
Mark Haverkamp8e87c2f2005-08-08 14:20:43 -0700150 { 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 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700155
Mark Haverkamp8e87c2f2005-08-08 14:20:43 -0700156 { 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 */
Mark Haverkamp239eab12007-01-23 15:00:13 -0800160 { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */
Mahesh Rajashekhara11604612012-02-08 22:51:04 -0800161 { 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 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700164 { 0,}
165};
166MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
167
168/*
Salyzyn, Mark8ce3eca2008-01-16 07:39:06 -0800169 * dmb - For now we add the number of channels to this structure.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700170 * 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 */
173static struct aac_driver_ident aac_drivers[] = {
Salyzyn, Mark94cf6ba2007-12-13 16:14:18 -0800174 { 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 */
Hillier, Gernotb21227c2008-09-17 16:03:06 +0200185 { 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) */
Salyzyn, Mark94cf6ba2007-12-13 16:14:18 -0800187 { 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) */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700190
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) */
Salyzyn, Mark8e9d58e2006-12-18 15:01:41 -0500200 { aac_rkt_init, "aacraid", "ICP ", "ICP9024RO ", 2 }, /* ICP9024RO (Lancer) */
201 { aac_rkt_init, "aacraid", "ICP ", "ICP9014RO ", 1 }, /* ICP9014RO (Lancer) */
Mark Haverkamp84971732005-06-20 11:55:24 -0700202 { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 }, /* ICP9047MA (Lancer) */
203 { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 }, /* ICP9087MA (Lancer) */
Mark Haverkamp75c36282006-06-08 13:55:42 -0700204 { aac_rkt_init, "aacraid", "ICP ", "ICP5445AU ", 1 }, /* ICP5445AU (Hurricane44) */
Mark Haverkamp8e87c2f2005-08-08 14:20:43 -0700205 { 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) */
Mark Haverkamp84971732005-06-20 11:55:24 -0700208 { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700209 { 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) */
Mark Haverkampdb39363c2006-01-11 09:28:29 -0800212 { 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) */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700216 { 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) */
Salyzyn, Mark8e9d58e2006-12-18 15:01:41 -0500219 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005 ", 1 }, /* ASR-4005 */
Mark Haverkamp84971732005-06-20 11:55:24 -0700220 { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */
Mark Haverkamp8e87c2f2005-08-08 14:20:43 -0700221 { 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) */
Salyzyn, Mark8e9d58e2006-12-18 15:01:41 -0500223 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000 ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700224 { 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) */
Salyzyn, Mark8e9d58e2006-12-18 15:01:41 -0500226 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-3800 ", 1 }, /* ASR-3800 (Hurricane44) */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700227
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)*/
Salyzyn, Markb27e66d2007-06-19 16:05:12 -0400231 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700232 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
233
Salyzyn, Mark94cf6ba2007-12-13 16:14:18 -0800234 { 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 */
Salyzyn, Markb27e66d2007-06-19 16:05:12 -0400236 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Catch All */
Mark Haverkamp239eab12007-01-23 15:00:13 -0800237 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Rocket Catch All */
Mahesh Rajashekharae8b12f02011-03-17 02:10:32 -0700238 { aac_nark_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec NEMER/ARK Catch All */
Hannes Reinecke787ab6e2016-05-18 10:16:51 +0200239 { 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 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700242};
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().
Salyzyn, Mark8ce3eca2008-01-16 07:39:06 -0800252 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700253
Mahesh Rajashekharaef616232015-03-26 10:41:30 -0400254static int aac_queuecommand(struct Scsi_Host *shost,
255 struct scsi_cmnd *cmd)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700256{
Mahesh Rajashekharaef616232015-03-26 10:41:30 -0400257 int r = 0;
Mark Haverkamp77d644d2006-03-27 09:43:40 -0800258 cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
Mahesh Rajashekharaef616232015-03-26 10:41:30 -0400259 r = (aac_scsi_cmd(cmd) ? FAILED : 0);
260 return r;
Salyzyn, Mark8ce3eca2008-01-16 07:39:06 -0800261}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700262
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
Adrian Bunk 48338692005-04-25 19:45:58 -0700270static const char *aac_info(struct Scsi_Host *shost)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700271{
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
Salyzyn, Mark8ef22242008-02-08 05:48:22 -0800278 * @devtype: index into lookup table
Linus Torvalds1da177e2005-04-16 15:20:36 -0700279 *
Salyzyn, Mark8ef22242008-02-08 05:48:22 -0800280 * Returns a pointer to the entry in the driver lookup table.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700281 */
282
283struct 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 *
Salyzyn, Mark8ce3eca2008-01-16 07:39:06 -0800295 * 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
Linus Torvalds1da177e2005-04-16 15:20:36 -0700298 * disks equal to or larger than 1 GB to be addressable by the BIOS
Salyzyn, Mark8ce3eca2008-01-16 07:39:06 -0800299 * 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
Linus Torvalds1da177e2005-04-16 15:20:36 -0700307 * be displayed.
308 */
Salyzyn, Mark8ce3eca2008-01-16 07:39:06 -0800309
Linus Torvalds1da177e2005-04-16 15:20:36 -0700310static 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
Salyzyn, Mark8ce3eca2008-01-16 07:39:06 -0800336 /*
Linus Torvalds1da177e2005-04-16 15:20:36 -0700337 * Read the first 1024 bytes from the disk device, if the boot
338 * sector partition table is valid, search for a partition table
Salyzyn, Mark8ce3eca2008-01-16 07:39:06 -0800339 * entry whose end_head matches one of the standard geometry
Linus Torvalds1da177e2005-04-16 15:20:36 -0700340 * translations ( 64/32, 128/32, 255/63 ).
341 */
342 buf = scsi_bios_ptable(bdev);
Mark Haverkamp8bdf8102005-11-30 12:01:39 -0800343 if (!buf)
344 return 0;
Mark Haverkamp 56b58712005-04-27 06:05:51 -0700345 if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700346 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
402static int aac_slave_configure(struct scsi_device *sdev)
403{
Salyzyn, Markb18268f2008-01-08 14:07:57 -0800404 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
Raghava Aditya Renukuntaa0528652017-02-02 15:53:27 -0800405 int chn, tid;
406 unsigned int depth = 0;
407 unsigned int set_timeout = 0;
Raghava Aditya Renukunta58eaffe2017-05-10 09:39:38 -0700408 bool set_qd_dev_type = false;
409 u8 devtype = 0;
Raghava Aditya Renukuntaa0528652017-02-02 15:53:27 -0800410
411 chn = aac_logical_to_phys(sdev_channel(sdev));
412 tid = sdev_id(sdev);
Raghava Aditya Renukunta58eaffe2017-05-10 09:39:38 -0700413 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
Raghava Aditya Renukuntaa0528652017-02-02 15:53:27 -0800421 set_timeout = 1;
422 goto common_config;
423 }
424
Mark Salyzyna4576b52008-04-30 15:47:35 -0400425 if (aac->jbod && (sdev->type == TYPE_DISK))
426 sdev->removable = 1;
Raghava Aditya Renukuntaa0528652017-02-02 15:53:27 -0800427
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
Mark Haverkampe37ee4be2007-01-26 09:23:32 -0800433 if (expose_physicals == 0)
434 return -ENXIO;
Raghava Aditya Renukuntaa0528652017-02-02 15:53:27 -0800435
Salyzyn, Markb18268f2008-01-08 14:07:57 -0800436 if (expose_physicals < 0)
437 sdev->no_uld_attach = 1;
Mark Haverkampbb08f922006-02-01 09:30:44 -0800438 }
Raghava Aditya Renukuntaa0528652017-02-02 15:53:27 -0800439
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
Mark Haverkampbb08f922006-02-01 09:30:44 -0800445 struct scsi_device * dev;
446 struct Scsi_Host *host = sdev->host;
447 unsigned num_lsu = 0;
448 unsigned num_one = 0;
Salyzyn, Markb18268f2008-01-08 14:07:57 -0800449 unsigned cid;
Mark Haverkamp 7c00ffa2005-05-16 18:28:42 -0700450
Raghava Aditya Renukuntaa0528652017-02-02 15:53:27 -0800451 set_timeout = 1;
452
Salyzyn, Markb18268f2008-01-08 14:07:57 -0800453 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
454 if (aac->fsa_dev[cid].valid)
455 ++num_lsu;
Raghava Aditya Renukuntaa0528652017-02-02 15:53:27 -0800456
Mark Haverkampbb08f922006-02-01 09:30:44 -0800457 __shost_for_each_device(dev, host) {
Raghava Aditya Renukuntaa0528652017-02-02 15:53:27 -0800458 if (dev->tagged_supported
459 && dev->type == TYPE_DISK
460 && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
461 && !dev->no_uld_attach) {
Salyzyn, Markcb1042f2008-01-17 09:25:07 -0800462 if ((sdev_channel(dev) != CONTAINER_CHANNEL)
Raghava Aditya Renukuntaa0528652017-02-02 15:53:27 -0800463 || !aac->fsa_dev[sdev_id(dev)].valid) {
Salyzyn, Markb18268f2008-01-08 14:07:57 -0800464 ++num_lsu;
Raghava Aditya Renukuntaa0528652017-02-02 15:53:27 -0800465 }
466 } else {
Mark Haverkampbb08f922006-02-01 09:30:44 -0800467 ++num_one;
Raghava Aditya Renukuntaa0528652017-02-02 15:53:27 -0800468 }
Mark Haverkampbb08f922006-02-01 09:30:44 -0800469 }
Raghava Aditya Renukuntaa0528652017-02-02 15:53:27 -0800470
Mark Haverkampbb08f922006-02-01 09:30:44 -0800471 if (num_lsu == 0)
472 ++num_lsu;
Mark Haverkamp 7c00ffa2005-05-16 18:28:42 -0700473
Raghava Aditya Renukuntaa0528652017-02-02 15:53:27 -0800474 depth = (host->can_queue - num_one) / num_lsu;
Raghava Aditya Renukuntad58129c2017-05-10 09:39:37 -0700475
476 if (sdev_channel(sdev) != NATIVE_CHANNEL)
477 goto common_config;
478
Raghava Aditya Renukunta58eaffe2017-05-10 09:39:38 -0700479 set_qd_dev_type = true;
480
481 }
482
483common_config:
484
485 /*
486 * Check if SATA drive
487 */
488 if (set_qd_dev_type) {
Raghava Aditya Renukuntad58129c2017-05-10 09:39:37 -0700489 if (strncmp(sdev->vendor, "ATA", 3) == 0)
490 depth = 32;
491 else
492 depth = 64;
Arnd Bergmann548f0e62016-03-14 15:29:43 +0100493 }
Raghava Aditya Renukunta6bf3b632016-02-03 15:05:59 -0800494
Raghava Aditya Renukuntaa0528652017-02-02 15:53:27 -0800495 /*
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
Linus Torvalds1da177e2005-04-16 15:20:36 -0700511 return 0;
512}
513
Salyzyn, Mark5c9cfed2007-05-30 10:01:14 -0400514/**
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
Christoph Hellwigdb5ed4d2014-11-13 15:08:42 +0100523static int aac_change_queue_depth(struct scsi_device *sdev, int depth)
Salyzyn, Mark5c9cfed2007-05-30 10:01:14 -0400524{
Raghava Aditya Renukuntaa0528652017-02-02 15:53:27 -0800525 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
Salyzyn, Mark5c9cfed2007-05-30 10:01:14 -0400534 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;
Christoph Hellwigdb5ed4d2014-11-13 15:08:42 +0100554 return scsi_change_queue_depth(sdev, depth);
Raghava Aditya Renukuntaa0528652017-02-02 15:53:27 -0800555 } 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);
Christoph Hellwigdb5ed4d2014-11-13 15:08:42 +0100559 }
Raghava Aditya Renukuntaa0528652017-02-02 15:53:27 -0800560 return sdev->queue_depth;
Salyzyn, Mark5c9cfed2007-05-30 10:01:14 -0400561}
562
Salyzyn, Mark17eaace2008-01-08 12:23:49 -0800563static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
564{
Salyzyn, Mark95f6fb52008-02-08 09:01:34 -0800565 struct scsi_device *sdev = to_scsi_device(dev);
566 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
Salyzyn, Mark17eaace2008-01-08 12:23:49 -0800567 if (sdev_channel(sdev) != CONTAINER_CHANNEL)
568 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
Salyzyn, Mark95f6fb52008-02-08 09:01:34 -0800569 ? "Hidden\n" :
570 ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
Salyzyn, Mark17eaace2008-01-08 12:23:49 -0800571 return snprintf(buf, PAGE_SIZE, "%s\n",
Salyzyn, Mark95f6fb52008-02-08 09:01:34 -0800572 get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
Salyzyn, Mark17eaace2008-01-08 12:23:49 -0800573}
574
575static 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
Raghava Aditya Renukunta999b3ff2017-02-02 15:53:32 -0800583static 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,
Raghava Aditya Renukunta31364322017-02-02 15:53:33 -0800596 "%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X\n",
Raghava Aditya Renukunta999b3ff2017-02-02 15:53:32 -0800597 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
603static 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
Salyzyn, Mark17eaace2008-01-08 12:23:49 -0800613static struct device_attribute *aac_dev_attrs[] = {
614 &aac_raid_level_attr,
Raghava Aditya Renukunta999b3ff2017-02-02 15:53:32 -0800615 &aac_unique_id_attr,
Salyzyn, Mark17eaace2008-01-08 12:23:49 -0800616 NULL,
617};
618
Linus Torvalds1da177e2005-04-16 15:20:36 -0700619static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
620{
621 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
Alan Coxd496f942007-11-07 23:58:10 +0000622 if (!capable(CAP_SYS_RAWIO))
623 return -EPERM;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700624 return aac_do_ioctl(dev, cmd, arg);
625}
626
Raghava Aditya Renukunta895dc752017-05-10 09:39:41 -0700627static 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
Mark Haverkamp03d44332007-03-15 10:27:45 -0700677static int aac_eh_abort(struct scsi_cmnd* cmd)
678{
Salyzyn, Mark802ae2f2007-03-21 13:49:47 -0400679 struct scsi_device * dev = cmd->device;
680 struct Scsi_Host * host = dev->host;
Mark Haverkamp03d44332007-03-15 10:27:45 -0700681 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
Raghava Aditya Renukunta954b2b52017-02-02 15:53:31 -0800682 int count, found;
683 u32 bus, cid;
Mark Haverkamp03d44332007-03-15 10:27:45 -0700684 int ret = FAILED;
685
Raghava Aditya Renukunta954b2b52017-02-02 15:53:31 -0800686 bus = aac_logical_to_phys(scmd_channel(cmd));
687 cid = scmd_id(cmd);
688 if (aac->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) {
689 struct fib *fib;
690 struct aac_hba_tm_req *tmf;
691 int status;
692 u64 address;
693 __le32 managed_request_id;
694
695 pr_err("%s: Host adapter abort request (%d,%d,%d,%d)\n",
696 AAC_DRIVERNAME,
697 host->host_no, sdev_channel(dev), sdev_id(dev), (int)dev->lun);
698
699 found = 0;
Mark Haverkamp03d44332007-03-15 10:27:45 -0700700 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
Raghava Aditya Renukunta954b2b52017-02-02 15:53:31 -0800701 fib = &aac->fibs[count];
702 if (*(u8 *)fib->hw_fib_va != 0 &&
703 (fib->flags & FIB_CONTEXT_FLAG_NATIVE_HBA) &&
704 (fib->callback_data == cmd)) {
705 found = 1;
706 managed_request_id = ((struct aac_hba_cmd_req *)
707 fib->hw_fib_va)->request_id;
708 break;
Mark Haverkamp03d44332007-03-15 10:27:45 -0700709 }
710 }
Raghava Aditya Renukunta954b2b52017-02-02 15:53:31 -0800711 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
Raghava Aditya Renukunta2a4a62c2017-05-10 09:39:40 -0700737 /* Wait up to 15 secs for completion */
738 for (count = 0; count < 15; ++count) {
Raghava Aditya Renukunta954b2b52017-02-02 15:53:31 -0800739 if (cmd->SCp.sent_command) {
740 ret = SUCCESS;
741 break;
Salyzyn, Markb6ef70f2008-01-08 13:26:43 -0800742 }
Raghava Aditya Renukunta954b2b52017-02-02 15:53:31 -0800743 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;
Salyzyn, Markb6ef70f2008-01-08 13:26:43 -0800812 }
Mark Haverkamp03d44332007-03-15 10:27:45 -0700813 }
814 return ret;
815}
816
Hannes Reinecke0d643ff2017-06-30 19:18:09 +0200817static u8 aac_eh_tmf_lun_reset_fib(struct aac_hba_map_info *info,
818 struct fib *fib, u64 tmf_lun)
Hannes Reinecke5115c8c2017-06-30 19:18:06 +0200819{
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;
Hannes Reinecke0d643ff2017-06-30 19:18:09 +0200827 tmf->it_nexus = info->rmw_nexus;
Hannes Reinecke5115c8c2017-06-30 19:18:06 +0200828 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
Hannes Reinecke0d643ff2017-06-30 19:18:09 +0200841static u8 aac_eh_tmf_hard_reset_fib(struct aac_hba_map_info *info,
842 struct fib *fib)
Hannes Reinecke5115c8c2017-06-30 19:18:06 +0200843{
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));
Hannes Reinecke0d643ff2017-06-30 19:18:09 +0200850 rst->it_nexus = info->rmw_nexus;
Hannes Reinecke5115c8c2017-06-30 19:18:06 +0200851
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
Hannes Reinecke0d643ff2017-06-30 19:18:09 +0200862void 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
Linus Torvalds1da177e2005-04-16 15:20:36 -0700889/*
Hannes Reineckef7993192017-06-30 19:18:08 +0200890 * aac_eh_dev_reset - Device reset command handling
Linus Torvalds1da177e2005-04-16 15:20:36 -0700891 * @scsi_cmd: SCSI command block causing the reset
892 *
893 */
Hannes Reineckef7993192017-06-30 19:18:08 +0200894static 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;
Hannes Reinecke0d643ff2017-06-30 19:18:09 +0200899 struct aac_hba_map_info *info;
Hannes Reineckef7993192017-06-30 19:18:08 +0200900 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);
Hannes Reinecke0d643ff2017-06-30 19:18:09 +0200909 info = &aac->hba_map[bus][cid];
Hannes Reineckef7993192017-06-30 19:18:08 +0200910 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS ||
Hannes Reinecke0d643ff2017-06-30 19:18:09 +0200911 info->devtype != AAC_DEVTYPE_NATIVE_RAW)
912 return FAILED;
913
914 if (info->reset_state > 0)
Hannes Reineckef7993192017-06-30 19:18:08 +0200915 return FAILED;
916
917 pr_err("%s: Host adapter reset request. SCSI hang ?\n",
918 AAC_DRIVERNAME);
919
920 fib = aac_fib_alloc(aac);
921 if (!fib)
922 return ret;
923
Hannes Reineckef7993192017-06-30 19:18:08 +0200924 /* start a HBA_TMF_LUN_RESET TMF request */
Hannes Reinecke0d643ff2017-06-30 19:18:09 +0200925 command = aac_eh_tmf_lun_reset_fib(info, fib, dev->lun);
Hannes Reineckef7993192017-06-30 19:18:08 +0200926
Hannes Reinecke0d643ff2017-06-30 19:18:09 +0200927 info->reset_state = 1;
Hannes Reineckef7993192017-06-30 19:18:08 +0200928
929 status = aac_hba_send(command, fib,
Hannes Reinecke0d643ff2017-06-30 19:18:09 +0200930 (fib_callback) aac_tmf_callback,
931 (void *) info);
Hannes Reineckef7993192017-06-30 19:18:08 +0200932
933 /* Wait up to 15 seconds for completion */
934 for (count = 0; count < 15; ++count) {
Hannes Reinecke0d643ff2017-06-30 19:18:09 +0200935 if (info->reset_state == 0) {
936 ret = info->reset_state == 0 ? SUCCESS : FAILED;
Hannes Reineckef7993192017-06-30 19:18:08 +0200937 break;
938 }
939 msleep(1000);
940 }
941
942 return ret;
943}
944
945/*
946 * aac_eh_target_reset - Target reset command handling
947 * @scsi_cmd: SCSI command block causing the reset
948 *
949 */
950static int aac_eh_target_reset(struct scsi_cmnd *cmd)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700951{
952 struct scsi_device * dev = cmd->device;
953 struct Scsi_Host * host = dev->host;
Mark Haverkamp03d44332007-03-15 10:27:45 -0700954 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
Hannes Reinecke0d643ff2017-06-30 19:18:09 +0200955 struct aac_hba_map_info *info;
Raghava Aditya Renukunta954b2b52017-02-02 15:53:31 -0800956 int count;
957 u32 bus, cid;
958 int ret = FAILED;
Hannes Reineckef7993192017-06-30 19:18:08 +0200959 struct fib *fib;
960 int status;
961 u8 command;
962
963 bus = aac_logical_to_phys(scmd_channel(cmd));
964 cid = scmd_id(cmd);
Hannes Reinecke0d643ff2017-06-30 19:18:09 +0200965 info = &aac->hba_map[bus][cid];
Hannes Reineckef7993192017-06-30 19:18:08 +0200966 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS ||
Hannes Reinecke0d643ff2017-06-30 19:18:09 +0200967 info->devtype != AAC_DEVTYPE_NATIVE_RAW)
968 return FAILED;
969
970 if (info->reset_state > 0)
Hannes Reineckef7993192017-06-30 19:18:08 +0200971 return FAILED;
972
973 pr_err("%s: Host adapter reset request. SCSI hang ?\n",
974 AAC_DRIVERNAME);
975
976 fib = aac_fib_alloc(aac);
977 if (!fib)
978 return ret;
979
980
981 /* already tried, start a hard reset now */
Hannes Reinecke0d643ff2017-06-30 19:18:09 +0200982 command = aac_eh_tmf_hard_reset_fib(info, fib);
Hannes Reineckef7993192017-06-30 19:18:08 +0200983
Hannes Reinecke0d643ff2017-06-30 19:18:09 +0200984 info->reset_state = 2;
Hannes Reineckef7993192017-06-30 19:18:08 +0200985
986 status = aac_hba_send(command, fib,
Hannes Reinecke0d643ff2017-06-30 19:18:09 +0200987 (fib_callback) aac_tmf_callback,
988 (void *) info);
Hannes Reineckef7993192017-06-30 19:18:08 +0200989
990 /* Wait up to 15 seconds for completion */
991 for (count = 0; count < 15; ++count) {
Hannes Reinecke0d643ff2017-06-30 19:18:09 +0200992 if (info->reset_state <= 0) {
993 ret = info->reset_state == 0 ? SUCCESS : FAILED;
Hannes Reineckef7993192017-06-30 19:18:08 +0200994 break;
995 }
996 msleep(1000);
997 }
998
999 return ret;
1000}
1001
1002/*
1003 * aac_eh_bus_reset - Bus reset command handling
1004 * @scsi_cmd: SCSI command block causing the reset
1005 *
1006 */
1007static int aac_eh_bus_reset(struct scsi_cmnd* cmd)
1008{
1009 struct scsi_device * dev = cmd->device;
1010 struct Scsi_Host * host = dev->host;
1011 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
1012 int count;
Hannes Reineckee7e99d62017-06-30 19:18:12 +02001013 u32 cmd_bus;
Raghava Aditya Renukunta144ecd42017-05-10 09:39:42 -07001014 int status = 0;
Raghava Aditya Renukunta786e8982017-05-10 09:39:50 -07001015
Linus Torvalds1da177e2005-04-16 15:20:36 -07001016
Hannes Reineckee7e99d62017-06-30 19:18:12 +02001017 cmd_bus = aac_logical_to_phys(scmd_channel(cmd));
1018 /* Mark the assoc. FIB to not complete, eh handler does this */
1019 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
1020 struct fib *fib = &aac->fibs[count];
Raghava Aditya Renukunta954b2b52017-02-02 15:53:31 -08001021
Hannes Reineckee7e99d62017-06-30 19:18:12 +02001022 if (fib->hw_fib_va->header.XferState &&
1023 (fib->flags & FIB_CONTEXT_FLAG) &&
1024 (fib->flags & FIB_CONTEXT_FLAG_SCSI_CMD)) {
1025 struct aac_hba_map_info *info;
1026 u32 bus, cid;
1027
1028 cmd = (struct scsi_cmnd *)fib->callback_data;
1029 bus = aac_logical_to_phys(scmd_channel(cmd));
1030 if (bus != cmd_bus)
1031 continue;
1032 cid = scmd_id(cmd);
1033 info = &aac->hba_map[bus][cid];
1034 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS ||
1035 info->devtype != AAC_DEVTYPE_NATIVE_RAW) {
Raghava Aditya Renukunta954b2b52017-02-02 15:53:31 -08001036 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
1037 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
1038 }
1039 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001040 }
Raghava Aditya Renukunta786e8982017-05-10 09:39:50 -07001041
1042 pr_err("%s: Host adapter reset request. SCSI hang ?\n", AAC_DRIVERNAME);
1043
Salyzyn, Mark29c97682007-06-12 09:33:54 -04001044 /*
Raghava Aditya Renukunta786e8982017-05-10 09:39:50 -07001045 * Check the health of the controller
Salyzyn, Mark29c97682007-06-12 09:33:54 -04001046 */
Raghava Aditya Renukunta786e8982017-05-10 09:39:50 -07001047 status = aac_adapter_check_health(aac);
1048 if (status)
1049 dev_err(&aac->pdev->dev, "Adapter health - %d\n", status);
1050
1051 count = get_num_of_incomplete_fibs(aac);
Hannes Reinecke251884232017-06-30 19:18:07 +02001052 return (count == 0) ? SUCCESS : FAILED;
1053}
1054
1055/*
1056 * aac_eh_host_reset - Host reset command handling
1057 * @scsi_cmd: SCSI command block causing the reset
1058 *
1059 */
1060int aac_eh_host_reset(struct scsi_cmnd *cmd)
1061{
1062 struct scsi_device * dev = cmd->device;
1063 struct Scsi_Host * host = dev->host;
1064 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
1065 int ret = FAILED;
1066 __le32 supported_options2 = 0;
1067 bool is_mu_reset;
1068 bool is_ignore_reset;
1069 bool is_doorbell_reset;
Raghava Aditya Renukunta786e8982017-05-10 09:39:50 -07001070
1071 /*
1072 * Check if reset is supported by the firmware
1073 */
1074 supported_options2 = aac->supplement_adapter_info.supported_options2;
1075 is_mu_reset = supported_options2 & AAC_OPTION_MU_RESET;
1076 is_doorbell_reset = supported_options2 & AAC_OPTION_DOORBELL_RESET;
1077 is_ignore_reset = supported_options2 & AAC_OPTION_IGNORE_RESET;
1078 /*
1079 * This adapter needs a blind reset, only do so for
1080 * Adapters that support a register, instead of a commanded,
1081 * reset.
1082 */
1083 if ((is_mu_reset || is_doorbell_reset)
1084 && aac_check_reset
1085 && (aac_check_reset != -1 || !is_ignore_reset)) {
1086 /* Bypass wait for command quiesce */
Hannes Reinecke0d643ff2017-06-30 19:18:09 +02001087 if (aac_reset_adapter(aac, 2, IOP_HWSOFT_RESET) == 0)
1088 ret = SUCCESS;
1089 }
1090 /*
1091 * Reset EH state
1092 */
1093 if (ret == SUCCESS) {
1094 int bus, cid;
1095 struct aac_hba_map_info *info;
1096
1097 for (bus = 0; bus < AAC_MAX_BUSES; bus++) {
1098 for (cid = 0; cid < AAC_MAX_TARGETS; cid++) {
1099 info = &aac->hba_map[bus][cid];
1100 if (info->devtype == AAC_DEVTYPE_NATIVE_RAW)
1101 info->reset_state = 0;
1102 }
1103 }
Raghava Aditya Renukunta786e8982017-05-10 09:39:50 -07001104 }
Raghava Aditya Renukunta954b2b52017-02-02 15:53:31 -08001105 return ret;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001106}
1107
1108/**
1109 * aac_cfg_open - open a configuration file
1110 * @inode: inode being opened
1111 * @file: file handle attached
1112 *
1113 * Called when the configuration device is opened. Does the needed
1114 * set up on the handle and then returns
1115 *
1116 * Bugs: This needs extending to check a given adapter is present
1117 * so we can support hot plugging, and to ref count adapters.
1118 */
1119
1120static int aac_cfg_open(struct inode *inode, struct file *file)
1121{
1122 struct aac_dev *aac;
Mark Haverkamp 7c00ffa2005-05-16 18:28:42 -07001123 unsigned minor_number = iminor(inode);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001124 int err = -ENODEV;
1125
Arnd Bergmannc45d15d2010-06-02 14:28:52 +02001126 mutex_lock(&aac_mutex); /* BKL pushdown: nothing else protects this list */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001127 list_for_each_entry(aac, &aac_devices, entry) {
Mark Haverkamp 7c00ffa2005-05-16 18:28:42 -07001128 if (aac->id == minor_number) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001129 file->private_data = aac;
1130 err = 0;
1131 break;
1132 }
1133 }
Arnd Bergmannc45d15d2010-06-02 14:28:52 +02001134 mutex_unlock(&aac_mutex);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001135
Mark Haverkamp036d6182005-04-26 22:54:58 -07001136 return err;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001137}
1138
1139/**
1140 * aac_cfg_ioctl - AAC configuration request
1141 * @inode: inode of device
1142 * @file: file handle
1143 * @cmd: ioctl command code
1144 * @arg: argument
1145 *
1146 * Handles a configuration ioctl. Currently this involves wrapping it
1147 * up and feeding it into the nasty windowsalike glue layer.
1148 *
1149 * Bugs: Needs locking against parallel ioctls lower down
1150 * Bugs: Needs to handle hot plugging
1151 */
Salyzyn, Mark8ce3eca2008-01-16 07:39:06 -08001152
Arnd Bergmannf4927c42010-04-27 00:24:01 +02001153static long aac_cfg_ioctl(struct file *file,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001154 unsigned int cmd, unsigned long arg)
1155{
Raghava Aditya Renukunta222a9fb2016-02-03 15:06:05 -08001156 struct aac_dev *aac = (struct aac_dev *)file->private_data;
1157
Raghava Aditya Renukuntafbd185982016-02-03 15:06:06 -08001158 if (!capable(CAP_SYS_RAWIO))
Alan Cox60395bb2007-07-23 14:51:05 +01001159 return -EPERM;
Arnd Bergmannf4927c42010-04-27 00:24:01 +02001160
Raghava Aditya Renukunta222a9fb2016-02-03 15:06:05 -08001161 return aac_do_ioctl(aac, cmd, (void __user *)arg);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001162}
1163
1164#ifdef CONFIG_COMPAT
1165static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
1166{
1167 long ret;
Salyzyn, Mark8ce3eca2008-01-16 07:39:06 -08001168 switch (cmd) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001169 case FSACTL_MINIPORT_REV_CHECK:
1170 case FSACTL_SENDFIB:
1171 case FSACTL_OPEN_GET_ADAPTER_FIB:
1172 case FSACTL_CLOSE_GET_ADAPTER_FIB:
1173 case FSACTL_SEND_RAW_SRB:
1174 case FSACTL_GET_PCI_INFO:
1175 case FSACTL_QUERY_DISK:
1176 case FSACTL_DELETE_DISK:
1177 case FSACTL_FORCE_DELETE_DISK:
Salyzyn, Mark8ce3eca2008-01-16 07:39:06 -08001178 case FSACTL_GET_CONTAINERS:
Mark Haverkamp 7c00ffa2005-05-16 18:28:42 -07001179 case FSACTL_SEND_LARGE_FIB:
Linus Torvalds1da177e2005-04-16 15:20:36 -07001180 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
1181 break;
1182
1183 case FSACTL_GET_NEXT_ADAPTER_FIB: {
1184 struct fib_ioctl __user *f;
Salyzyn, Mark8ce3eca2008-01-16 07:39:06 -08001185
Linus Torvalds1da177e2005-04-16 15:20:36 -07001186 f = compat_alloc_user_space(sizeof(*f));
1187 ret = 0;
Mark Haverkamp821499a2006-06-12 10:53:58 -07001188 if (clear_user(f, sizeof(*f)))
Linus Torvalds1da177e2005-04-16 15:20:36 -07001189 ret = -EFAULT;
1190 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
1191 ret = -EFAULT;
1192 if (!ret)
Mark Haverkamp3d2f98a2006-03-27 09:44:33 -08001193 ret = aac_do_ioctl(dev, cmd, f);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001194 break;
1195 }
1196
1197 default:
Salyzyn, Mark8ce3eca2008-01-16 07:39:06 -08001198 ret = -ENOIOCTLCMD;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001199 break;
Salyzyn, Mark8ce3eca2008-01-16 07:39:06 -08001200 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001201 return ret;
1202}
1203
1204static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
1205{
1206 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
Dan Carpenterf8565672013-10-29 22:11:06 +03001207 if (!capable(CAP_SYS_RAWIO))
1208 return -EPERM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001209 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
1210}
1211
1212static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
1213{
Alan Cox5f78e892007-11-07 23:58:10 +00001214 if (!capable(CAP_SYS_RAWIO))
Alan Cox60395bb2007-07-23 14:51:05 +01001215 return -EPERM;
Joe Perches35df8392010-09-04 18:52:46 -07001216 return aac_compat_do_ioctl(file->private_data, cmd, arg);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001217}
1218#endif
1219
Tony Jonesee959b02008-02-22 00:13:36 +01001220static ssize_t aac_show_model(struct device *device,
1221 struct device_attribute *attr, char *buf)
Mark Haverkamp0bb14af2005-06-01 10:24:38 -07001222{
Tony Jonesee959b02008-02-22 00:13:36 +01001223 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
Mark Haverkamp0bb14af2005-06-01 10:24:38 -07001224 int len;
1225
Raghava Aditya Renukunta1c688562017-02-16 12:51:10 -08001226 if (dev->supplement_adapter_info.adapter_type_text[0]) {
1227 char *cp = dev->supplement_adapter_info.adapter_type_text;
Mark Haverkamp7686f132006-01-11 09:28:16 -08001228 while (*cp && *cp != ' ')
1229 ++cp;
1230 while (*cp == ' ')
1231 ++cp;
1232 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
1233 } else
1234 len = snprintf(buf, PAGE_SIZE, "%s\n",
Mark Haverkamp0bb14af2005-06-01 10:24:38 -07001235 aac_drivers[dev->cardtype].model);
1236 return len;
1237}
1238
Tony Jonesee959b02008-02-22 00:13:36 +01001239static ssize_t aac_show_vendor(struct device *device,
1240 struct device_attribute *attr, char *buf)
Mark Haverkamp0bb14af2005-06-01 10:24:38 -07001241{
Tony Jonesee959b02008-02-22 00:13:36 +01001242 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
Raghava Aditya Renukunta1c688562017-02-16 12:51:10 -08001243 struct aac_supplement_adapter_info *sup_adap_info;
Mark Haverkamp0bb14af2005-06-01 10:24:38 -07001244 int len;
1245
Raghava Aditya Renukunta1c688562017-02-16 12:51:10 -08001246 sup_adap_info = &dev->supplement_adapter_info;
1247 if (sup_adap_info->adapter_type_text[0]) {
1248 char *cp = sup_adap_info->adapter_type_text;
Mark Haverkamp7686f132006-01-11 09:28:16 -08001249 while (*cp && *cp != ' ')
1250 ++cp;
1251 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
Raghava Aditya Renukunta1c688562017-02-16 12:51:10 -08001252 (int)(cp - (char *)sup_adap_info->adapter_type_text),
1253 sup_adap_info->adapter_type_text);
Mark Haverkamp7686f132006-01-11 09:28:16 -08001254 } else
1255 len = snprintf(buf, PAGE_SIZE, "%s\n",
Raghava Aditya Renukunta1c688562017-02-16 12:51:10 -08001256 aac_drivers[dev->cardtype].vname);
Mark Haverkamp0bb14af2005-06-01 10:24:38 -07001257 return len;
1258}
1259
Tony Jonesee959b02008-02-22 00:13:36 +01001260static ssize_t aac_show_flags(struct device *cdev,
1261 struct device_attribute *attr, char *buf)
Salyzyn, Mark2ca39c42008-01-17 09:24:56 -08001262{
1263 int len = 0;
Tony Jonesee959b02008-02-22 00:13:36 +01001264 struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
Salyzyn, Mark2ca39c42008-01-17 09:24:56 -08001265
1266 if (nblank(dprintk(x)))
1267 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
1268#ifdef AAC_DETAILED_STATUS_INFO
1269 len += snprintf(buf + len, PAGE_SIZE - len,
1270 "AAC_DETAILED_STATUS_INFO\n");
1271#endif
1272 if (dev->raw_io_interface && dev->raw_io_64)
1273 len += snprintf(buf + len, PAGE_SIZE - len,
1274 "SAI_READ_CAPACITY_16\n");
Salyzyn, Markcb1042f2008-01-17 09:25:07 -08001275 if (dev->jbod)
1276 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n");
Raghava Aditya Renukunta1c688562017-02-16 12:51:10 -08001277 if (dev->supplement_adapter_info.supported_options2 &
Mark Salyzyn655d7222008-04-30 16:03:42 -04001278 AAC_OPTION_POWER_MANAGEMENT)
1279 len += snprintf(buf + len, PAGE_SIZE - len,
1280 "SUPPORTED_POWER_MANAGEMENT\n");
1281 if (dev->msi)
1282 len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
Salyzyn, Mark2ca39c42008-01-17 09:24:56 -08001283 return len;
1284}
1285
Tony Jonesee959b02008-02-22 00:13:36 +01001286static ssize_t aac_show_kernel_version(struct device *device,
1287 struct device_attribute *attr,
1288 char *buf)
Mark Haverkamp0bb14af2005-06-01 10:24:38 -07001289{
Tony Jonesee959b02008-02-22 00:13:36 +01001290 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
Mark Haverkamp0bb14af2005-06-01 10:24:38 -07001291 int len, tmp;
1292
1293 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
Salyzyn, Mark8ce3eca2008-01-16 07:39:06 -08001294 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
Mark Haverkamp0bb14af2005-06-01 10:24:38 -07001295 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1296 le32_to_cpu(dev->adapter_info.kernelbuild));
1297 return len;
1298}
1299
Tony Jonesee959b02008-02-22 00:13:36 +01001300static ssize_t aac_show_monitor_version(struct device *device,
1301 struct device_attribute *attr,
1302 char *buf)
Mark Haverkamp0bb14af2005-06-01 10:24:38 -07001303{
Tony Jonesee959b02008-02-22 00:13:36 +01001304 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
Mark Haverkamp0bb14af2005-06-01 10:24:38 -07001305 int len, tmp;
1306
1307 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
Salyzyn, Mark8ce3eca2008-01-16 07:39:06 -08001308 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
Mark Haverkamp0bb14af2005-06-01 10:24:38 -07001309 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1310 le32_to_cpu(dev->adapter_info.monitorbuild));
1311 return len;
1312}
1313
Tony Jonesee959b02008-02-22 00:13:36 +01001314static ssize_t aac_show_bios_version(struct device *device,
1315 struct device_attribute *attr,
1316 char *buf)
Mark Haverkamp0bb14af2005-06-01 10:24:38 -07001317{
Tony Jonesee959b02008-02-22 00:13:36 +01001318 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
Mark Haverkamp0bb14af2005-06-01 10:24:38 -07001319 int len, tmp;
1320
1321 tmp = le32_to_cpu(dev->adapter_info.biosrev);
Salyzyn, Mark8ce3eca2008-01-16 07:39:06 -08001322 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
Mark Haverkamp0bb14af2005-06-01 10:24:38 -07001323 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1324 le32_to_cpu(dev->adapter_info.biosbuild));
1325 return len;
1326}
1327
Raghava Aditya Renukunta30202e02017-02-16 12:51:15 -08001328static ssize_t aac_show_driver_version(struct device *device,
1329 struct device_attribute *attr,
1330 char *buf)
1331{
1332 return snprintf(buf, PAGE_SIZE, "%s\n", aac_driver_version);
1333}
1334
Harvey Harrison13a17fd2008-05-08 12:08:53 -07001335static ssize_t aac_show_serial_number(struct device *device,
Tony Jonesee959b02008-02-22 00:13:36 +01001336 struct device_attribute *attr, char *buf)
Mark Haverkamp0bb14af2005-06-01 10:24:38 -07001337{
Tony Jonesee959b02008-02-22 00:13:36 +01001338 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
Mark Haverkamp0bb14af2005-06-01 10:24:38 -07001339 int len = 0;
1340
1341 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
Dan Carpenterdc55b822011-10-08 13:45:07 +03001342 len = snprintf(buf, 16, "%06X\n",
Mark Haverkamp0bb14af2005-06-01 10:24:38 -07001343 le32_to_cpu(dev->adapter_info.serial[0]));
Salyzyn, Mark24f02e12007-06-19 16:29:24 -04001344 if (len &&
Raghava Aditya Renukunta1c688562017-02-16 12:51:10 -08001345 !memcmp(&dev->supplement_adapter_info.mfg_pcba_serial_no[
1346 sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no)-len],
Salyzyn, Mark95f6fb52008-02-08 09:01:34 -08001347 buf, len-1))
Dan Carpenterdc55b822011-10-08 13:45:07 +03001348 len = snprintf(buf, 16, "%.*s\n",
Raghava Aditya Renukunta1c688562017-02-16 12:51:10 -08001349 (int)sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no),
1350 dev->supplement_adapter_info.mfg_pcba_serial_no);
Dan Carpenterdc55b822011-10-08 13:45:07 +03001351
1352 return min(len, 16);
Mark Haverkamp0bb14af2005-06-01 10:24:38 -07001353}
1354
Tony Jonesee959b02008-02-22 00:13:36 +01001355static ssize_t aac_show_max_channel(struct device *device,
1356 struct device_attribute *attr, char *buf)
Mark Haverkampd1ad94a2006-03-27 09:44:29 -08001357{
1358 return snprintf(buf, PAGE_SIZE, "%d\n",
Tony Jonesee959b02008-02-22 00:13:36 +01001359 class_to_shost(device)->max_channel);
Mark Haverkampd1ad94a2006-03-27 09:44:29 -08001360}
1361
Tony Jonesee959b02008-02-22 00:13:36 +01001362static ssize_t aac_show_max_id(struct device *device,
1363 struct device_attribute *attr, char *buf)
Mark Haverkampd1ad94a2006-03-27 09:44:29 -08001364{
1365 return snprintf(buf, PAGE_SIZE, "%d\n",
Tony Jonesee959b02008-02-22 00:13:36 +01001366 class_to_shost(device)->max_id);
Mark Haverkampd1ad94a2006-03-27 09:44:29 -08001367}
1368
Tony Jonesee959b02008-02-22 00:13:36 +01001369static ssize_t aac_store_reset_adapter(struct device *device,
1370 struct device_attribute *attr,
1371 const char *buf, size_t count)
Salyzyn, Mark29c97682007-06-12 09:33:54 -04001372{
1373 int retval = -EACCES;
Raghava Aditya Renukunta31364322017-02-02 15:53:33 -08001374 int bled = 0;
1375 struct aac_dev *aac;
1376
Salyzyn, Mark29c97682007-06-12 09:33:54 -04001377
1378 if (!capable(CAP_SYS_ADMIN))
1379 return retval;
Raghava Aditya Renukunta31364322017-02-02 15:53:33 -08001380
1381 aac = (struct aac_dev *)class_to_shost(device)->hostdata;
1382 bled = buf[0] == '!' ? 1:0;
1383 retval = aac_reset_adapter(aac, bled, IOP_HWSOFT_RESET);
Salyzyn, Mark29c97682007-06-12 09:33:54 -04001384 if (retval >= 0)
1385 retval = count;
1386 return retval;
1387}
1388
Tony Jonesee959b02008-02-22 00:13:36 +01001389static ssize_t aac_show_reset_adapter(struct device *device,
1390 struct device_attribute *attr,
1391 char *buf)
Salyzyn, Mark29c97682007-06-12 09:33:54 -04001392{
Tony Jonesee959b02008-02-22 00:13:36 +01001393 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
Salyzyn, Mark29c97682007-06-12 09:33:54 -04001394 int len, tmp;
1395
1396 tmp = aac_adapter_check_health(dev);
1397 if ((tmp == 0) && dev->in_reset)
1398 tmp = -EBUSY;
Salyzyn, Markbbf17d62007-07-23 10:13:48 -04001399 len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
Salyzyn, Mark29c97682007-06-12 09:33:54 -04001400 return len;
1401}
Mark Haverkamp0bb14af2005-06-01 10:24:38 -07001402
Tony Jonesee959b02008-02-22 00:13:36 +01001403static struct device_attribute aac_model = {
Mark Haverkamp0bb14af2005-06-01 10:24:38 -07001404 .attr = {
1405 .name = "model",
1406 .mode = S_IRUGO,
1407 },
1408 .show = aac_show_model,
1409};
Tony Jonesee959b02008-02-22 00:13:36 +01001410static struct device_attribute aac_vendor = {
Mark Haverkamp0bb14af2005-06-01 10:24:38 -07001411 .attr = {
1412 .name = "vendor",
1413 .mode = S_IRUGO,
1414 },
1415 .show = aac_show_vendor,
1416};
Tony Jonesee959b02008-02-22 00:13:36 +01001417static struct device_attribute aac_flags = {
Salyzyn, Mark2ca39c42008-01-17 09:24:56 -08001418 .attr = {
1419 .name = "flags",
1420 .mode = S_IRUGO,
1421 },
1422 .show = aac_show_flags,
1423};
Tony Jonesee959b02008-02-22 00:13:36 +01001424static struct device_attribute aac_kernel_version = {
Mark Haverkamp0bb14af2005-06-01 10:24:38 -07001425 .attr = {
1426 .name = "hba_kernel_version",
1427 .mode = S_IRUGO,
1428 },
1429 .show = aac_show_kernel_version,
1430};
Tony Jonesee959b02008-02-22 00:13:36 +01001431static struct device_attribute aac_monitor_version = {
Mark Haverkamp0bb14af2005-06-01 10:24:38 -07001432 .attr = {
1433 .name = "hba_monitor_version",
1434 .mode = S_IRUGO,
1435 },
1436 .show = aac_show_monitor_version,
1437};
Tony Jonesee959b02008-02-22 00:13:36 +01001438static struct device_attribute aac_bios_version = {
Mark Haverkamp0bb14af2005-06-01 10:24:38 -07001439 .attr = {
1440 .name = "hba_bios_version",
1441 .mode = S_IRUGO,
1442 },
1443 .show = aac_show_bios_version,
1444};
Raghava Aditya Renukunta30202e02017-02-16 12:51:15 -08001445static struct device_attribute aac_lld_version = {
1446 .attr = {
1447 .name = "driver_version",
1448 .mode = 0444,
1449 },
1450 .show = aac_show_driver_version,
1451};
Tony Jonesee959b02008-02-22 00:13:36 +01001452static struct device_attribute aac_serial_number = {
Mark Haverkamp0bb14af2005-06-01 10:24:38 -07001453 .attr = {
1454 .name = "serial_number",
1455 .mode = S_IRUGO,
1456 },
1457 .show = aac_show_serial_number,
1458};
Tony Jonesee959b02008-02-22 00:13:36 +01001459static struct device_attribute aac_max_channel = {
Mark Haverkampd1ad94a2006-03-27 09:44:29 -08001460 .attr = {
1461 .name = "max_channel",
1462 .mode = S_IRUGO,
1463 },
1464 .show = aac_show_max_channel,
1465};
Tony Jonesee959b02008-02-22 00:13:36 +01001466static struct device_attribute aac_max_id = {
Mark Haverkampd1ad94a2006-03-27 09:44:29 -08001467 .attr = {
1468 .name = "max_id",
1469 .mode = S_IRUGO,
1470 },
1471 .show = aac_show_max_id,
1472};
Tony Jonesee959b02008-02-22 00:13:36 +01001473static struct device_attribute aac_reset = {
Salyzyn, Mark29c97682007-06-12 09:33:54 -04001474 .attr = {
1475 .name = "reset_host",
1476 .mode = S_IWUSR|S_IRUGO,
1477 },
1478 .store = aac_store_reset_adapter,
1479 .show = aac_show_reset_adapter,
1480};
Mark Haverkamp0bb14af2005-06-01 10:24:38 -07001481
Tony Jonesee959b02008-02-22 00:13:36 +01001482static struct device_attribute *aac_attrs[] = {
Mark Haverkamp0bb14af2005-06-01 10:24:38 -07001483 &aac_model,
1484 &aac_vendor,
Salyzyn, Mark2ca39c42008-01-17 09:24:56 -08001485 &aac_flags,
Mark Haverkamp0bb14af2005-06-01 10:24:38 -07001486 &aac_kernel_version,
1487 &aac_monitor_version,
1488 &aac_bios_version,
Raghava Aditya Renukunta30202e02017-02-16 12:51:15 -08001489 &aac_lld_version,
Mark Haverkamp0bb14af2005-06-01 10:24:38 -07001490 &aac_serial_number,
Mark Haverkampd1ad94a2006-03-27 09:44:29 -08001491 &aac_max_channel,
1492 &aac_max_id,
Salyzyn, Mark29c97682007-06-12 09:33:54 -04001493 &aac_reset,
Mark Haverkamp0bb14af2005-06-01 10:24:38 -07001494 NULL
1495};
1496
Tony Jonesee959b02008-02-22 00:13:36 +01001497ssize_t aac_get_serial_number(struct device *device, char *buf)
1498{
1499 return aac_show_serial_number(device, &aac_serial_number, buf);
1500}
Mark Haverkamp0bb14af2005-06-01 10:24:38 -07001501
Arjan van de Ven00977a52007-02-12 00:55:34 -08001502static const struct file_operations aac_cfg_fops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001503 .owner = THIS_MODULE,
Arnd Bergmannf4927c42010-04-27 00:24:01 +02001504 .unlocked_ioctl = aac_cfg_ioctl,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001505#ifdef CONFIG_COMPAT
1506 .compat_ioctl = aac_compat_cfg_ioctl,
1507#endif
1508 .open = aac_cfg_open,
Arnd Bergmann6038f372010-08-15 18:52:59 +02001509 .llseek = noop_llseek,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001510};
1511
1512static struct scsi_host_template aac_driver_template = {
1513 .module = THIS_MODULE,
Salyzyn, Mark8ef22242008-02-08 05:48:22 -08001514 .name = "AAC",
Mark Haverkamp 7c00ffa2005-05-16 18:28:42 -07001515 .proc_name = AAC_DRIVERNAME,
Salyzyn, Mark8ef22242008-02-08 05:48:22 -08001516 .info = aac_info,
1517 .ioctl = aac_ioctl,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001518#ifdef CONFIG_COMPAT
1519 .compat_ioctl = aac_compat_ioctl,
1520#endif
Salyzyn, Mark8ef22242008-02-08 05:48:22 -08001521 .queuecommand = aac_queuecommand,
1522 .bios_param = aac_biosparm,
Mark Haverkamp0bb14af2005-06-01 10:24:38 -07001523 .shost_attrs = aac_attrs,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001524 .slave_configure = aac_slave_configure,
Salyzyn, Mark5c9cfed2007-05-30 10:01:14 -04001525 .change_queue_depth = aac_change_queue_depth,
Salyzyn, Mark17eaace2008-01-08 12:23:49 -08001526 .sdev_attrs = aac_dev_attrs,
Mark Haverkamp03d44332007-03-15 10:27:45 -07001527 .eh_abort_handler = aac_eh_abort,
Hannes Reineckef7993192017-06-30 19:18:08 +02001528 .eh_device_reset_handler = aac_eh_dev_reset,
1529 .eh_target_reset_handler = aac_eh_target_reset,
1530 .eh_bus_reset_handler = aac_eh_bus_reset,
Hannes Reinecke251884232017-06-30 19:18:07 +02001531 .eh_host_reset_handler = aac_eh_host_reset,
Salyzyn, Mark8ef22242008-02-08 05:48:22 -08001532 .can_queue = AAC_NUM_IO_FIB,
1533 .this_id = MAXIMUM_NUM_CONTAINERS,
1534 .sg_tablesize = 16,
1535 .max_sectors = 128,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001536#if (AAC_NUM_IO_FIB > 256)
1537 .cmd_per_lun = 256,
Salyzyn, Mark8ce3eca2008-01-16 07:39:06 -08001538#else
Salyzyn, Mark8ef22242008-02-08 05:48:22 -08001539 .cmd_per_lun = AAC_NUM_IO_FIB,
Salyzyn, Mark8ce3eca2008-01-16 07:39:06 -08001540#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -07001541 .use_clustering = ENABLE_CLUSTERING,
Salyzyn, Mark8ef22242008-02-08 05:48:22 -08001542 .emulated = 1,
Martin K. Petersen54b2b502013-10-23 06:25:40 -04001543 .no_write_same = 1,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001544};
1545
Salyzyn, Mark94774a32007-05-30 11:59:13 -04001546static void __aac_shutdown(struct aac_dev * aac)
1547{
Mahesh Rajashekhara495c0212015-03-26 10:41:25 -04001548 int i;
1549
Raghava Aditya Renukunta423400e2017-02-02 15:53:29 -08001550 aac->adapter_shutdown = 1;
Raghava Aditya Renukuntafbd185982016-02-03 15:06:06 -08001551 aac_send_shutdown(aac);
1552
Ben Collins361ee9c2012-06-11 14:16:36 -04001553 if (aac->aif_thread) {
1554 int i;
1555 /* Clear out events first */
1556 for (i = 0; i < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++) {
1557 struct fib *fib = &aac->fibs[i];
1558 if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) &&
1559 (fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected)))
1560 up(&fib->event_wait);
1561 }
Salyzyn, Marke85fbc52007-10-31 16:40:37 -04001562 kthread_stop(aac->thread);
Ben Collins361ee9c2012-06-11 14:16:36 -04001563 }
Salyzyn, Mark94774a32007-05-30 11:59:13 -04001564 aac_adapter_disable_int(aac);
Raghava Aditya Renukunta395e5df2017-05-10 09:39:52 -07001565 if (aac_is_src(aac)) {
Mahesh Rajashekhara495c0212015-03-26 10:41:25 -04001566 if (aac->max_msix > 1) {
Mahesh Rajashekharaef616232015-03-26 10:41:30 -04001567 for (i = 0; i < aac->max_msix; i++) {
Hannes Reinecke0910d8b2016-11-08 08:11:30 +01001568 free_irq(pci_irq_vector(aac->pdev, i),
Mahesh Rajashekhara495c0212015-03-26 10:41:25 -04001569 &(aac->aac_msix[i]));
Mahesh Rajashekharaef616232015-03-26 10:41:30 -04001570 }
Mahesh Rajashekhara495c0212015-03-26 10:41:25 -04001571 } else {
1572 free_irq(aac->pdev->irq,
1573 &(aac->aac_msix[0]));
1574 }
1575 } else {
1576 free_irq(aac->pdev->irq, aac);
1577 }
Salyzyn, Mark8ef22242008-02-08 05:48:22 -08001578 if (aac->msi)
1579 pci_disable_msi(aac->pdev);
Mahesh Rajashekhara495c0212015-03-26 10:41:25 -04001580 else if (aac->max_msix > 1)
1581 pci_disable_msix(aac->pdev);
Salyzyn, Mark94774a32007-05-30 11:59:13 -04001582}
Raghava Aditya Renukuntab9fb54b2016-02-03 15:06:07 -08001583static void aac_init_char(void)
1584{
1585 aac_cfg_major = register_chrdev(0, "aac", &aac_cfg_fops);
1586 if (aac_cfg_major < 0) {
1587 pr_err("aacraid: unable to register \"aac\" device.\n");
1588 }
1589}
Salyzyn, Mark94774a32007-05-30 11:59:13 -04001590
Greg Kroah-Hartman6f039792012-12-21 13:08:55 -08001591static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001592{
1593 unsigned index = id->driver_data;
1594 struct Scsi_Host *shost;
1595 struct aac_dev *aac;
1596 struct list_head *insert = &aac_devices;
1597 int error = -ENODEV;
1598 int unique_id = 0;
Rolf Eike Beer0dcae662009-07-01 22:43:39 +02001599 u64 dmamask;
Raghava Aditya Renukunta8105d392017-05-10 09:39:36 -07001600 int mask_bits = 0;
Mahesh Rajashekhara11604612012-02-08 22:51:04 -08001601 extern int aac_sync_mode;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001602
Raghava Aditya Renukunta6b93b7d2016-02-03 15:06:04 -08001603 /*
1604 * Only series 7 needs freset.
1605 */
1606 if (pdev->device == PMC_DEVICE_S7)
1607 pdev->needs_freset = 1;
1608
Linus Torvalds1da177e2005-04-16 15:20:36 -07001609 list_for_each_entry(aac, &aac_devices, entry) {
1610 if (aac->id > unique_id)
1611 break;
1612 insert = &aac->entry;
1613 unique_id++;
1614 }
1615
Vasily Averincf161232011-11-11 13:42:16 +04001616 pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
1617 PCIE_LINK_STATE_CLKPM);
1618
Mark Haverkamp08efb7b2005-09-20 12:56:36 -07001619 error = pci_enable_device(pdev);
1620 if (error)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001621 goto out;
Mark Haverkampe61b17f2006-03-27 09:44:11 -08001622 error = -ENODEV;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001623
Raghava Aditya Renukunta8105d392017-05-10 09:39:36 -07001624 if (!(aac_drivers[index].quirks & AAC_QUIRK_SRC)) {
1625 error = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
1626 if (error) {
1627 dev_err(&pdev->dev, "PCI 32 BIT dma mask set failed");
1628 goto out_disable_pdev;
1629 }
1630 }
1631
Linus Torvalds1da177e2005-04-16 15:20:36 -07001632 /*
1633 * If the quirk31 bit is set, the adapter needs adapter
1634 * to driver communication memory to be allocated below 2gig
1635 */
Raghava Aditya Renukunta8105d392017-05-10 09:39:36 -07001636 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) {
Rolf Eike Beer0dcae662009-07-01 22:43:39 +02001637 dmamask = DMA_BIT_MASK(31);
Raghava Aditya Renukunta8105d392017-05-10 09:39:36 -07001638 mask_bits = 31;
1639 } else {
Rolf Eike Beer0dcae662009-07-01 22:43:39 +02001640 dmamask = DMA_BIT_MASK(32);
Raghava Aditya Renukunta8105d392017-05-10 09:39:36 -07001641 mask_bits = 32;
1642 }
Rolf Eike Beer0dcae662009-07-01 22:43:39 +02001643
Raghava Aditya Renukunta8105d392017-05-10 09:39:36 -07001644 error = pci_set_consistent_dma_mask(pdev, dmamask);
1645 if (error) {
1646 dev_err(&pdev->dev, "PCI %d B consistent dma mask set failed\n"
1647 , mask_bits);
Rolf Eike Beer0dcae662009-07-01 22:43:39 +02001648 goto out_disable_pdev;
Raghava Aditya Renukunta8105d392017-05-10 09:39:36 -07001649 }
Salyzyn, Mark8ce3eca2008-01-16 07:39:06 -08001650
Linus Torvalds1da177e2005-04-16 15:20:36 -07001651 pci_set_master(pdev);
1652
1653 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1654 if (!shost)
1655 goto out_disable_pdev;
1656
1657 shost->irq = pdev->irq;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001658 shost->unique_id = unique_id;
Mark Haverkamp7a8cf292005-09-22 09:15:24 -07001659 shost->max_cmd_len = 16;
Kashyap.Desai@avagotech.com64bdcbc2014-08-20 19:24:33 +05301660 shost->use_cmd_list = 1;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001661
Raghava Aditya Renukuntab9fb54b2016-02-03 15:06:07 -08001662 if (aac_cfg_major == AAC_CHARDEV_NEEDS_REINIT)
1663 aac_init_char();
1664
Linus Torvalds1da177e2005-04-16 15:20:36 -07001665 aac = (struct aac_dev *)shost->hostdata;
Ben Collinsff087842012-06-11 14:05:02 -04001666 aac->base_start = pci_resource_start(pdev, 0);
Salyzyn, Mark8ce3eca2008-01-16 07:39:06 -08001667 aac->scsi_host_ptr = shost;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001668 aac->pdev = pdev;
1669 aac->name = aac_driver_template.name;
1670 aac->id = shost->unique_id;
Mark Salyzyna4576b52008-04-30 15:47:35 -04001671 aac->cardtype = index;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001672 INIT_LIST_HEAD(&aac->entry);
1673
Mahesh Rajashekhara85d22bb2012-07-14 18:18:51 +05301674 aac->fibs = kzalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001675 if (!aac->fibs)
1676 goto out_free_host;
1677 spin_lock_init(&aac->fib_lock);
1678
Raghava Aditya Renukunta222a9fb2016-02-03 15:06:05 -08001679 mutex_init(&aac->ioctl_mutex);
Mark Haverkamp8e0c5eb2005-10-24 10:52:22 -07001680 /*
1681 * Map in the registers from the adapter.
1682 */
1683 aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
Mark Haverkamp8e0c5eb2005-10-24 10:52:22 -07001684 if ((*aac_drivers[index].init)(aac))
1685 goto out_unmap;
1686
Mahesh Rajashekhara11604612012-02-08 22:51:04 -08001687 if (aac->sync_mode) {
1688 if (aac_sync_mode)
1689 printk(KERN_INFO "%s%d: Sync. mode enforced "
1690 "by driver parameter. This will cause "
1691 "a significant performance decrease!\n",
1692 aac->name,
1693 aac->id);
1694 else
1695 printk(KERN_INFO "%s%d: Async. mode not supported "
1696 "by current driver, sync. mode enforced."
1697 "\nPlease update driver to get full performance.\n",
1698 aac->name,
1699 aac->id);
1700 }
1701
Mark Haverkamp8e0c5eb2005-10-24 10:52:22 -07001702 /*
1703 * Start any kernel threads needed
1704 */
Christoph Hellwigfe273812006-02-14 18:45:06 +01001705 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1706 if (IS_ERR(aac->thread)) {
Mark Haverkamp8e0c5eb2005-10-24 10:52:22 -07001707 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
Christoph Hellwigfe273812006-02-14 18:45:06 +01001708 error = PTR_ERR(aac->thread);
Ben Collins361ee9c2012-06-11 14:16:36 -04001709 aac->thread = NULL;
Mark Haverkamp8e0c5eb2005-10-24 10:52:22 -07001710 goto out_deinit;
1711 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001712
Mark Haverkamp84971732005-06-20 11:55:24 -07001713 aac->maximum_num_channels = aac_drivers[index].channels;
Mark Haverkamp08efb7b2005-09-20 12:56:36 -07001714 error = aac_get_adapter_info(aac);
1715 if (error < 0)
1716 goto out_deinit;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001717
1718 /*
Mark Salyzyna4576b52008-04-30 15:47:35 -04001719 * Lets override negotiations and drop the maximum SG limit to 34
1720 */
Salyzyn, Mark8ce3eca2008-01-16 07:39:06 -08001721 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
Salyzyn, Mark62e9f5c2008-02-06 09:00:46 -08001722 (shost->sg_tablesize > 34)) {
1723 shost->sg_tablesize = 34;
1724 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
Mark Salyzyna4576b52008-04-30 15:47:35 -04001725 }
Mark Haverkamp 7c00ffa2005-05-16 18:28:42 -07001726
Mark Salyzyna4576b52008-04-30 15:47:35 -04001727 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
Salyzyn, Mark62e9f5c2008-02-06 09:00:46 -08001728 (shost->sg_tablesize > 17)) {
1729 shost->sg_tablesize = 17;
1730 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
Mark Salyzyna4576b52008-04-30 15:47:35 -04001731 }
Mark Haverkampdb39363c2006-01-11 09:28:29 -08001732
Salyzyn, Mark62e9f5c2008-02-06 09:00:46 -08001733 error = pci_set_dma_max_seg_size(pdev,
1734 (aac->adapter_info.options & AAC_OPT_NEW_COMM) ?
1735 (shost->max_sectors << 9) : 65536);
1736 if (error)
1737 goto out_deinit;
1738
Mark Haverkamp 7c00ffa2005-05-16 18:28:42 -07001739 /*
Salyzyn, Mark62e9f5c2008-02-06 09:00:46 -08001740 * Firmware printf works only with older firmware.
Mark Haverkamp 7c00ffa2005-05-16 18:28:42 -07001741 */
Salyzyn, Mark8ce3eca2008-01-16 07:39:06 -08001742 if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
Mark Haverkamp 7c00ffa2005-05-16 18:28:42 -07001743 aac->printf_enabled = 1;
1744 else
1745 aac->printf_enabled = 0;
Salyzyn, Mark8ce3eca2008-01-16 07:39:06 -08001746
Mark Salyzyna4576b52008-04-30 15:47:35 -04001747 /*
Linus Torvalds1da177e2005-04-16 15:20:36 -07001748 * max channel will be the physical channels plus 1 virtual channel
Mark Haverkampbb08f922006-02-01 09:30:44 -08001749 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001750 * physical channels are address by their actual physical number+1
1751 */
Salyzyn, Markcb1042f2008-01-17 09:25:07 -08001752 if (aac->nondasd_support || expose_physicals || aac->jbod)
Mark Haverkamp95433ba2006-03-27 09:44:15 -08001753 shost->max_channel = aac->maximum_num_channels;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001754 else
Mark Haverkamp95433ba2006-03-27 09:44:15 -08001755 shost->max_channel = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001756
Mark Haverkamp8c867b22006-08-03 08:03:30 -07001757 aac_get_config_status(aac, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001758 aac_get_containers(aac);
1759 list_add(&aac->entry, insert);
1760
1761 shost->max_id = aac->maximum_num_containers;
Mark Haverkamp84971732005-06-20 11:55:24 -07001762 if (shost->max_id < aac->maximum_num_physicals)
1763 shost->max_id = aac->maximum_num_physicals;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001764 if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1765 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1766 else
1767 shost->this_id = shost->max_id;
1768
Raghava Aditya Renukuntad503e2fd2017-02-02 15:53:18 -08001769 if (!aac->sa_firmware && aac_drivers[index].quirks & AAC_QUIRK_SRC)
Hannes Reinecke787ab6e2016-05-18 10:16:51 +02001770 aac_intr_normal(aac, 0, 2, 0, NULL);
Raghava Aditya Renukunta9cb62fa2016-04-25 23:32:09 -07001771
Linus Torvalds1da177e2005-04-16 15:20:36 -07001772 /*
1773 * dmb - we may need to move the setting of these parms somewhere else once
1774 * we get a fib that can report the actual numbers
1775 */
1776 shost->max_lun = AAC_MAX_LUN;
1777
1778 pci_set_drvdata(pdev, shost);
1779
1780 error = scsi_add_host(shost, &pdev->dev);
1781 if (error)
1782 goto out_deinit;
1783 scsi_scan_host(shost);
1784
Raghava Aditya Renukunta5c63f7f2016-02-03 15:06:01 -08001785 pci_enable_pcie_error_reporting(pdev);
1786 pci_save_state(pdev);
1787
Linus Torvalds1da177e2005-04-16 15:20:36 -07001788 return 0;
1789
Mark Haverkampbd1aac82005-08-03 15:39:01 -07001790 out_deinit:
Salyzyn, Mark94774a32007-05-30 11:59:13 -04001791 __aac_shutdown(aac);
Mark Haverkamp8e0c5eb2005-10-24 10:52:22 -07001792 out_unmap:
Mark Haverkampbfb35aa82006-02-01 09:30:55 -08001793 aac_fib_map_free(aac);
Salyzyn, Mark2b053722007-08-02 15:38:59 -04001794 if (aac->comm_addr)
Mahesh Rajashekharaf4819732017-04-05 16:14:16 +05301795 dma_free_coherent(&aac->pdev->dev, aac->comm_size,
1796 aac->comm_addr, aac->comm_phys);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001797 kfree(aac->queues);
Mark Haverkamp76a7f8f2006-09-19 09:00:02 -07001798 aac_adapter_ioremap(aac, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001799 kfree(aac->fibs);
1800 kfree(aac->fsa_dev);
1801 out_free_host:
1802 scsi_host_put(shost);
1803 out_disable_pdev:
1804 pci_disable_device(pdev);
1805 out:
1806 return error;
1807}
1808
Fengguang Wufe0798c2015-11-10 13:59:06 +08001809static void aac_release_resources(struct aac_dev *aac)
Mahesh Rajashekharade665f22015-08-28 06:38:34 -04001810{
Mahesh Rajashekharade665f22015-08-28 06:38:34 -04001811 aac_adapter_disable_int(aac);
Raghava Aditya Renukuntad3e19172017-02-02 15:53:15 -08001812 aac_free_irq(aac);
Mahesh Rajashekharade665f22015-08-28 06:38:34 -04001813}
1814
1815static int aac_acquire_resources(struct aac_dev *dev)
1816{
Mahesh Rajashekharade665f22015-08-28 06:38:34 -04001817 unsigned long status;
1818 /*
1819 * First clear out all interrupts. Then enable the one's that we
1820 * can handle.
1821 */
1822 while (!((status = src_readl(dev, MUnit.OMR)) & KERNEL_UP_AND_RUNNING)
1823 || status == 0xffffffff)
1824 msleep(20);
1825
1826 aac_adapter_disable_int(dev);
1827 aac_adapter_enable_int(dev);
1828
1829
Raghava Aditya Renukunta395e5df2017-05-10 09:39:52 -07001830 if (aac_is_src(dev))
Mahesh Rajashekharade665f22015-08-28 06:38:34 -04001831 aac_define_int_mode(dev);
1832
1833 if (dev->msi_enabled)
1834 aac_src_access_devreg(dev, AAC_ENABLE_MSIX);
1835
Raghava Aditya Renukuntad3e19172017-02-02 15:53:15 -08001836 if (aac_acquire_irq(dev))
1837 goto error_iounmap;
Mahesh Rajashekharade665f22015-08-28 06:38:34 -04001838
1839 aac_adapter_enable_int(dev);
1840
Raghava Aditya Renukuntaecc479e02016-02-03 15:06:03 -08001841 /*max msix may change after EEH
1842 * Re-assign vectors to fibs
1843 */
1844 aac_fib_vector_assign(dev);
1845
1846 if (!dev->sync_mode) {
1847 /* After EEH recovery or suspend resume, max_msix count
Masahiro Yamada608595e2017-02-27 14:29:53 -08001848 * may change, therefore updating in init as well.
Raghava Aditya Renukuntaecc479e02016-02-03 15:06:03 -08001849 */
Raghava Aditya Renukuntad1ef4da2017-02-02 15:53:17 -08001850 dev->init->r7.no_of_msix_vectors = cpu_to_le32(dev->max_msix);
Raghava Aditya Renukunta116d77f2016-04-25 23:31:12 -07001851 aac_adapter_start(dev);
Raghava Aditya Renukuntaecc479e02016-02-03 15:06:03 -08001852 }
Mahesh Rajashekharade665f22015-08-28 06:38:34 -04001853 return 0;
1854
1855error_iounmap:
1856 return -1;
1857
1858}
Raghava Aditya Renukunta5c63f7f2016-02-03 15:06:01 -08001859
1860#if (defined(CONFIG_PM))
Mahesh Rajashekharade665f22015-08-28 06:38:34 -04001861static int aac_suspend(struct pci_dev *pdev, pm_message_t state)
1862{
1863
1864 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1865 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1866
1867 scsi_block_requests(shost);
1868 aac_send_shutdown(aac);
1869
1870 aac_release_resources(aac);
1871
1872 pci_set_drvdata(pdev, shost);
1873 pci_save_state(pdev);
1874 pci_disable_device(pdev);
1875 pci_set_power_state(pdev, pci_choose_state(pdev, state));
1876
1877 return 0;
1878}
1879
1880static int aac_resume(struct pci_dev *pdev)
1881{
1882 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1883 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1884 int r;
1885
1886 pci_set_power_state(pdev, PCI_D0);
1887 pci_enable_wake(pdev, PCI_D0, 0);
1888 pci_restore_state(pdev);
1889 r = pci_enable_device(pdev);
1890
1891 if (r)
1892 goto fail_device;
1893
1894 pci_set_master(pdev);
1895 if (aac_acquire_resources(aac))
1896 goto fail_device;
Mahesh Rajashekharae728f8e2015-08-28 06:38:39 -04001897 /*
1898 * reset this flag to unblock ioctl() as it was set at
1899 * aac_send_shutdown() to block ioctls from upperlayer
1900 */
1901 aac->adapter_shutdown = 0;
Mahesh Rajashekharade665f22015-08-28 06:38:34 -04001902 scsi_unblock_requests(shost);
1903
1904 return 0;
1905
1906fail_device:
1907 printk(KERN_INFO "%s%d: resume failed.\n", aac->name, aac->id);
1908 scsi_host_put(shost);
1909 pci_disable_device(pdev);
1910 return -ENODEV;
1911}
1912#endif
1913
Mark Haverkampbd1aac82005-08-03 15:39:01 -07001914static void aac_shutdown(struct pci_dev *dev)
1915{
1916 struct Scsi_Host *shost = pci_get_drvdata(dev);
Salyzyn, Mark94774a32007-05-30 11:59:13 -04001917 scsi_block_requests(shost);
Salyzyn, Markc835e372007-07-26 14:20:02 -04001918 __aac_shutdown((struct aac_dev *)shost->hostdata);
Mark Haverkampbd1aac82005-08-03 15:39:01 -07001919}
1920
Greg Kroah-Hartman6f039792012-12-21 13:08:55 -08001921static void aac_remove_one(struct pci_dev *pdev)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001922{
1923 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1924 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1925
1926 scsi_remove_host(shost);
1927
Salyzyn, Mark94774a32007-05-30 11:59:13 -04001928 __aac_shutdown(aac);
Mark Haverkampbfb35aa82006-02-01 09:30:55 -08001929 aac_fib_map_free(aac);
Mahesh Rajashekharaf4819732017-04-05 16:14:16 +05301930 dma_free_coherent(&aac->pdev->dev, aac->comm_size, aac->comm_addr,
1931 aac->comm_phys);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001932 kfree(aac->queues);
1933
Mark Haverkamp76a7f8f2006-09-19 09:00:02 -07001934 aac_adapter_ioremap(aac, 0);
Salyzyn, Mark8ce3eca2008-01-16 07:39:06 -08001935
Linus Torvalds1da177e2005-04-16 15:20:36 -07001936 kfree(aac->fibs);
Mark Haverkamp8e0c5eb2005-10-24 10:52:22 -07001937 kfree(aac->fsa_dev);
Salyzyn, Mark8ce3eca2008-01-16 07:39:06 -08001938
Linus Torvalds1da177e2005-04-16 15:20:36 -07001939 list_del(&aac->entry);
1940 scsi_host_put(shost);
1941 pci_disable_device(pdev);
Mark Haverkamp90ee3462006-08-03 08:03:07 -07001942 if (list_empty(&aac_devices)) {
1943 unregister_chrdev(aac_cfg_major, "aac");
Raghava Aditya Renukuntab9fb54b2016-02-03 15:06:07 -08001944 aac_cfg_major = AAC_CHARDEV_NEEDS_REINIT;
Mark Haverkamp90ee3462006-08-03 08:03:07 -07001945 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001946}
1947
Raghava Aditya Renukunta5c63f7f2016-02-03 15:06:01 -08001948static void aac_flush_ios(struct aac_dev *aac)
1949{
1950 int i;
1951 struct scsi_cmnd *cmd;
1952
1953 for (i = 0; i < aac->scsi_host_ptr->can_queue; i++) {
1954 cmd = (struct scsi_cmnd *)aac->fibs[i].callback_data;
1955 if (cmd && (cmd->SCp.phase == AAC_OWNER_FIRMWARE)) {
1956 scsi_dma_unmap(cmd);
1957
1958 if (aac->handle_pci_error)
1959 cmd->result = DID_NO_CONNECT << 16;
1960 else
1961 cmd->result = DID_RESET << 16;
1962
1963 cmd->scsi_done(cmd);
1964 }
1965 }
1966}
1967
1968static pci_ers_result_t aac_pci_error_detected(struct pci_dev *pdev,
1969 enum pci_channel_state error)
1970{
1971 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1972 struct aac_dev *aac = shost_priv(shost);
1973
1974 dev_err(&pdev->dev, "aacraid: PCI error detected %x\n", error);
1975
1976 switch (error) {
1977 case pci_channel_io_normal:
1978 return PCI_ERS_RESULT_CAN_RECOVER;
1979 case pci_channel_io_frozen:
1980 aac->handle_pci_error = 1;
1981
1982 scsi_block_requests(aac->scsi_host_ptr);
1983 aac_flush_ios(aac);
1984 aac_release_resources(aac);
1985
1986 pci_disable_pcie_error_reporting(pdev);
1987 aac_adapter_ioremap(aac, 0);
1988
1989 return PCI_ERS_RESULT_NEED_RESET;
1990 case pci_channel_io_perm_failure:
1991 aac->handle_pci_error = 1;
1992
1993 aac_flush_ios(aac);
1994 return PCI_ERS_RESULT_DISCONNECT;
1995 }
1996
1997 return PCI_ERS_RESULT_NEED_RESET;
1998}
1999
2000static pci_ers_result_t aac_pci_mmio_enabled(struct pci_dev *pdev)
2001{
2002 dev_err(&pdev->dev, "aacraid: PCI error - mmio enabled\n");
2003 return PCI_ERS_RESULT_NEED_RESET;
2004}
2005
2006static pci_ers_result_t aac_pci_slot_reset(struct pci_dev *pdev)
2007{
2008 dev_err(&pdev->dev, "aacraid: PCI error - slot reset\n");
2009 pci_restore_state(pdev);
2010 if (pci_enable_device(pdev)) {
2011 dev_warn(&pdev->dev,
2012 "aacraid: failed to enable slave\n");
2013 goto fail_device;
2014 }
2015
2016 pci_set_master(pdev);
2017
2018 if (pci_enable_device_mem(pdev)) {
2019 dev_err(&pdev->dev, "pci_enable_device_mem failed\n");
2020 goto fail_device;
2021 }
2022
2023 return PCI_ERS_RESULT_RECOVERED;
2024
2025fail_device:
2026 dev_err(&pdev->dev, "aacraid: PCI error - slot reset failed\n");
2027 return PCI_ERS_RESULT_DISCONNECT;
2028}
2029
2030
2031static void aac_pci_resume(struct pci_dev *pdev)
2032{
2033 struct Scsi_Host *shost = pci_get_drvdata(pdev);
2034 struct scsi_device *sdev = NULL;
2035 struct aac_dev *aac = (struct aac_dev *)shost_priv(shost);
2036
2037 pci_cleanup_aer_uncorrect_error_status(pdev);
2038
2039 if (aac_adapter_ioremap(aac, aac->base_size)) {
2040
2041 dev_err(&pdev->dev, "aacraid: ioremap failed\n");
2042 /* remap failed, go back ... */
2043 aac->comm_interface = AAC_COMM_PRODUCER;
2044 if (aac_adapter_ioremap(aac, AAC_MIN_FOOTPRINT_SIZE)) {
2045 dev_warn(&pdev->dev,
2046 "aacraid: unable to map adapter.\n");
2047
2048 return;
2049 }
2050 }
2051
2052 msleep(10000);
2053
2054 aac_acquire_resources(aac);
2055
2056 /*
2057 * reset this flag to unblock ioctl() as it was set
2058 * at aac_send_shutdown() to block ioctls from upperlayer
2059 */
2060 aac->adapter_shutdown = 0;
2061 aac->handle_pci_error = 0;
2062
2063 shost_for_each_device(sdev, shost)
2064 if (sdev->sdev_state == SDEV_OFFLINE)
2065 sdev->sdev_state = SDEV_RUNNING;
2066 scsi_unblock_requests(aac->scsi_host_ptr);
2067 scsi_scan_host(aac->scsi_host_ptr);
2068 pci_save_state(pdev);
2069
2070 dev_err(&pdev->dev, "aacraid: PCI error - resume\n");
2071}
2072
2073static struct pci_error_handlers aac_pci_err_handler = {
2074 .error_detected = aac_pci_error_detected,
2075 .mmio_enabled = aac_pci_mmio_enabled,
2076 .slot_reset = aac_pci_slot_reset,
2077 .resume = aac_pci_resume,
2078};
2079
Linus Torvalds1da177e2005-04-16 15:20:36 -07002080static struct pci_driver aac_pci_driver = {
2081 .name = AAC_DRIVERNAME,
2082 .id_table = aac_pci_tbl,
2083 .probe = aac_probe_one,
Greg Kroah-Hartman6f039792012-12-21 13:08:55 -08002084 .remove = aac_remove_one,
Mahesh Rajashekharade665f22015-08-28 06:38:34 -04002085#if (defined(CONFIG_PM))
2086 .suspend = aac_suspend,
2087 .resume = aac_resume,
2088#endif
Salyzyn, Mark8ef22242008-02-08 05:48:22 -08002089 .shutdown = aac_shutdown,
Raghava Aditya Renukunta5c63f7f2016-02-03 15:06:01 -08002090 .err_handler = &aac_pci_err_handler,
Linus Torvalds1da177e2005-04-16 15:20:36 -07002091};
2092
2093static int __init aac_init(void)
2094{
2095 int error;
Salyzyn, Mark8ce3eca2008-01-16 07:39:06 -08002096
Salyzyn, Mark29c97682007-06-12 09:33:54 -04002097 printk(KERN_INFO "Adaptec %s driver %s\n",
Mark Haverkampc7f47602005-08-03 15:38:55 -07002098 AAC_DRIVERNAME, aac_driver_version);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002099
Mark Haverkamp08efb7b2005-09-20 12:56:36 -07002100 error = pci_register_driver(&aac_pci_driver);
2101 if (error < 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002102 return error;
2103
Raghava Aditya Renukuntab9fb54b2016-02-03 15:06:07 -08002104 aac_init_char();
2105
Mark Haverkampbd1aac82005-08-03 15:39:01 -07002106
Linus Torvalds1da177e2005-04-16 15:20:36 -07002107 return 0;
2108}
2109
2110static void __exit aac_exit(void)
2111{
Mark Haverkamp53926272006-03-27 09:44:19 -08002112 if (aac_cfg_major > -1)
2113 unregister_chrdev(aac_cfg_major, "aac");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002114 pci_unregister_driver(&aac_pci_driver);
2115}
2116
2117module_init(aac_init);
2118module_exit(aac_exit);