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1// SPDX-License-Identifier: GPL-2.0-or-later2/*3 * Adaptec AAC series RAID controller driver4 * (c) Copyright 2001 Red Hat Inc.5 *6 * based on the old aacraid driver that is..7 * Adaptec aacraid device driver for Linux.8 *9 * Copyright (c) 2000-2010 Adaptec, Inc.10 * 2010-2015 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)11 * 2016-2017 Microsemi Corp. (aacraid@microsemi.com)12 *13 * Module Name:14 * linit.c15 *16 * Abstract: Linux Driver entry module for Adaptec RAID Array Controller17 */18 19 20#include <linux/compat.h>21#include <linux/blkdev.h>22#include <linux/completion.h>23#include <linux/init.h>24#include <linux/interrupt.h>25#include <linux/kernel.h>26#include <linux/module.h>27#include <linux/moduleparam.h>28#include <linux/pci.h>29#include <linux/slab.h>30#include <linux/mutex.h>31#include <linux/spinlock.h>32#include <linux/syscalls.h>33#include <linux/delay.h>34#include <linux/kthread.h>35#include <linux/msdos_partition.h>36 37#include <scsi/scsi.h>38#include <scsi/scsi_cmnd.h>39#include <scsi/scsi_device.h>40#include <scsi/scsi_host.h>41#include <scsi/scsi_tcq.h>42#include <scsi/scsicam.h>43#include <scsi/scsi_eh.h>44 45#include "aacraid.h"46 47#define AAC_DRIVER_VERSION "1.2.1"48#ifndef AAC_DRIVER_BRANCH49#define AAC_DRIVER_BRANCH ""50#endif51#define AAC_DRIVERNAME "aacraid"52 53#ifdef AAC_DRIVER_BUILD54#define _str(x) #x55#define str(x) _str(x)56#define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH57#else58#define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH59#endif60 61MODULE_AUTHOR("Red Hat Inc and Adaptec");62MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "63 "Adaptec Advanced Raid Products, "64 "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver");65MODULE_LICENSE("GPL");66MODULE_VERSION(AAC_DRIVER_FULL_VERSION);67 68static DEFINE_MUTEX(aac_mutex);69static LIST_HEAD(aac_devices);70static int aac_cfg_major = AAC_CHARDEV_UNREGISTERED;71char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;72 73/*74 * Because of the way Linux names scsi devices, the order in this table has75 * become important. Check for on-board Raid first, add-in cards second.76 *77 * Note: The last field is used to index into aac_drivers below.78 */79static const struct pci_device_id aac_pci_tbl[] = {80 { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */81 { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */82 { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */83 { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */84 { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */85 { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */86 { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */87 { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */88 { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */89 { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */90 { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */91 { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */92 { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */93 { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */94 { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */95 { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */96 97 { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */98 { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */99 { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */100 { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */101 { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */102 { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */103 { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */104 { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */105 { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */106 { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */107 { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */108 { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */109 { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */110 { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */111 { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */112 { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */113 { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */114 { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */115 { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */116 { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */117 { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */118 { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */119 { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */120 { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */121 { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */122 { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */123 { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */124 { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */125 { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */126 { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */127 { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */128 { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */129 { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */130 { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */131 { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */132 { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */133 { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */134 { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */135 136 { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/137 { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/138 { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/139 { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */140 { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */141 142 { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */143 { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */144 { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */145 { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */146 { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */147 { 0x9005, 0x028b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 62 }, /* Adaptec PMC Series 6 (Tupelo) */148 { 0x9005, 0x028c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 63 }, /* Adaptec PMC Series 7 (Denali) */149 { 0x9005, 0x028d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 64 }, /* Adaptec PMC Series 8 */150 { 0,}151};152MODULE_DEVICE_TABLE(pci, aac_pci_tbl);153 154/*155 * dmb - For now we add the number of channels to this structure.156 * In the future we should add a fib that reports the number of channels157 * for the card. At that time we can remove the channels from here158 */159static struct aac_driver_ident aac_drivers[] = {160 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */161 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */162 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */163 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */164 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */165 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */166 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */167 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */168 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */169 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */170 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */171 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2120S (Crusader) */172 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan) */173 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */174 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */175 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */176 177 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */178 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */179 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */180 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */181 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */182 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */183 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 }, /* AAR-2820SA (Intruder) */184 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 }, /* AAR-2620SA (Intruder) */185 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 }, /* AAR-2420SA (Intruder) */186 { aac_rkt_init, "aacraid", "ICP ", "ICP9024RO ", 2 }, /* ICP9024RO (Lancer) */187 { aac_rkt_init, "aacraid", "ICP ", "ICP9014RO ", 1 }, /* ICP9014RO (Lancer) */188 { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 }, /* ICP9047MA (Lancer) */189 { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 }, /* ICP9087MA (Lancer) */190 { aac_rkt_init, "aacraid", "ICP ", "ICP5445AU ", 1 }, /* ICP5445AU (Hurricane44) */191 { aac_rx_init, "aacraid", "ICP ", "ICP9085LI ", 1 }, /* ICP9085LI (Marauder-X) */192 { aac_rx_init, "aacraid", "ICP ", "ICP5085BR ", 1 }, /* ICP5085BR (Marauder-E) */193 { aac_rkt_init, "aacraid", "ICP ", "ICP9067MA ", 1 }, /* ICP9067MA (Intruder-6) */194 { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */195 { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */196 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */197 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */198 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */199 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */200 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */201 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */202 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */203 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 }, /* SATA 6Ch (Bearcat) */204 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 }, /* ASR-2240S (SabreExpress) */205 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005 ", 1 }, /* ASR-4005 */206 { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */207 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */208 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */209 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000 ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */210 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 }, /* ASR-4800SAS (Marauder-X) */211 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 }, /* ASR-4805SAS (Marauder-E) */212 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-3800 ", 1 }, /* ASR-3800 (Hurricane44) */213 214 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/215 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/216 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/217 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */218 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */219 220 { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */221 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */222 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Catch All */223 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Rocket Catch All */224 { aac_nark_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec NEMER/ARK Catch All */225 { aac_src_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 6 (Tupelo) */226 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 7 (Denali) */227 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 8 */228};229 230/**231 * aac_queuecommand - queue a SCSI command232 * @shost: Scsi host to queue command on233 * @cmd: SCSI command to queue234 *235 * Queues a command for execution by the associated Host Adapter.236 *237 * TODO: unify with aac_scsi_cmd().238 */239 240static int aac_queuecommand(struct Scsi_Host *shost,241 struct scsi_cmnd *cmd)242{243 aac_priv(cmd)->owner = AAC_OWNER_LOWLEVEL;244 245 return aac_scsi_cmd(cmd) ? FAILED : 0;246}247 248/**249 * aac_info - Returns the host adapter name250 * @shost: Scsi host to report on251 *252 * Returns a static string describing the device in question253 */254 255static const char *aac_info(struct Scsi_Host *shost)256{257 struct aac_dev *dev = (struct aac_dev *)shost->hostdata;258 return aac_drivers[dev->cardtype].name;259}260 261/**262 * aac_get_driver_ident263 * @devtype: index into lookup table264 *265 * Returns a pointer to the entry in the driver lookup table.266 */267 268struct aac_driver_ident* aac_get_driver_ident(int devtype)269{270 return &aac_drivers[devtype];271}272 273/**274 * aac_biosparm - return BIOS parameters for disk275 * @sdev: The scsi device corresponding to the disk276 * @bdev: the block device corresponding to the disk277 * @capacity: the sector capacity of the disk278 * @geom: geometry block to fill in279 *280 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.281 * The default disk geometry is 64 heads, 32 sectors, and the appropriate282 * number of cylinders so as not to exceed drive capacity. In order for283 * disks equal to or larger than 1 GB to be addressable by the BIOS284 * without exceeding the BIOS limitation of 1024 cylinders, Extended285 * Translation should be enabled. With Extended Translation enabled,286 * drives between 1 GB inclusive and 2 GB exclusive are given a disk287 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive288 * are given a disk geometry of 255 heads and 63 sectors. However, if289 * the BIOS detects that the Extended Translation setting does not match290 * the geometry in the partition table, then the translation inferred291 * from the partition table will be used by the BIOS, and a warning may292 * be displayed.293 */294 295static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,296 sector_t capacity, int *geom)297{298 struct diskparm *param = (struct diskparm *)geom;299 unsigned char *buf;300 301 dprintk((KERN_DEBUG "aac_biosparm.\n"));302 303 /*304 * Assuming extended translation is enabled - #REVISIT#305 */306 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */307 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */308 param->heads = 255;309 param->sectors = 63;310 } else {311 param->heads = 128;312 param->sectors = 32;313 }314 } else {315 param->heads = 64;316 param->sectors = 32;317 }318 319 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);320 321 /*322 * Read the first 1024 bytes from the disk device, if the boot323 * sector partition table is valid, search for a partition table324 * entry whose end_head matches one of the standard geometry325 * translations ( 64/32, 128/32, 255/63 ).326 */327 buf = scsi_bios_ptable(bdev);328 if (!buf)329 return 0;330 if (*(__le16 *)(buf + 0x40) == cpu_to_le16(MSDOS_LABEL_MAGIC)) {331 struct msdos_partition *first = (struct msdos_partition *)buf;332 struct msdos_partition *entry = first;333 int saved_cylinders = param->cylinders;334 int num;335 unsigned char end_head, end_sec;336 337 for(num = 0; num < 4; num++) {338 end_head = entry->end_head;339 end_sec = entry->end_sector & 0x3f;340 341 if(end_head == 63) {342 param->heads = 64;343 param->sectors = 32;344 break;345 } else if(end_head == 127) {346 param->heads = 128;347 param->sectors = 32;348 break;349 } else if(end_head == 254) {350 param->heads = 255;351 param->sectors = 63;352 break;353 }354 entry++;355 }356 357 if (num == 4) {358 end_head = first->end_head;359 end_sec = first->end_sector & 0x3f;360 }361 362 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);363 if (num < 4 && end_sec == param->sectors) {364 if (param->cylinders != saved_cylinders) {365 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",366 param->heads, param->sectors, num));367 }368 } else if (end_head > 0 || end_sec > 0) {369 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",370 end_head + 1, end_sec, num));371 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",372 param->heads, param->sectors));373 }374 }375 kfree(buf);376 return 0;377}378 379/**380 * aac_slave_configure - compute queue depths381 * @sdev: SCSI device we are considering382 *383 * Selects queue depths for each target device based on the host adapter's384 * total capacity and the queue depth supported by the target device.385 * A queue depth of one automatically disables tagged queueing.386 */387 388static int aac_slave_configure(struct scsi_device *sdev)389{390 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;391 int chn, tid;392 unsigned int depth = 0;393 unsigned int set_timeout = 0;394 int timeout = 0;395 bool set_qd_dev_type = false;396 u8 devtype = 0;397 398 chn = aac_logical_to_phys(sdev_channel(sdev));399 tid = sdev_id(sdev);400 if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS && aac->sa_firmware) {401 devtype = aac->hba_map[chn][tid].devtype;402 403 if (devtype == AAC_DEVTYPE_NATIVE_RAW) {404 depth = aac->hba_map[chn][tid].qd_limit;405 set_timeout = 1;406 goto common_config;407 }408 if (devtype == AAC_DEVTYPE_ARC_RAW) {409 set_qd_dev_type = true;410 set_timeout = 1;411 goto common_config;412 }413 }414 415 if (aac->jbod && (sdev->type == TYPE_DISK))416 sdev->removable = 1;417 418 if (sdev->type == TYPE_DISK419 && sdev_channel(sdev) != CONTAINER_CHANNEL420 && (!aac->jbod || sdev->inq_periph_qual)421 && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {422 423 if (expose_physicals == 0)424 return -ENXIO;425 426 if (expose_physicals < 0)427 sdev->no_uld_attach = 1;428 }429 430 if (sdev->tagged_supported431 && sdev->type == TYPE_DISK432 && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))433 && !sdev->no_uld_attach) {434 435 struct scsi_device * dev;436 struct Scsi_Host *host = sdev->host;437 unsigned num_lsu = 0;438 unsigned num_one = 0;439 unsigned cid;440 441 set_timeout = 1;442 443 for (cid = 0; cid < aac->maximum_num_containers; ++cid)444 if (aac->fsa_dev[cid].valid)445 ++num_lsu;446 447 __shost_for_each_device(dev, host) {448 if (dev->tagged_supported449 && dev->type == TYPE_DISK450 && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))451 && !dev->no_uld_attach) {452 if ((sdev_channel(dev) != CONTAINER_CHANNEL)453 || !aac->fsa_dev[sdev_id(dev)].valid) {454 ++num_lsu;455 }456 } else {457 ++num_one;458 }459 }460 461 if (num_lsu == 0)462 ++num_lsu;463 464 depth = (host->can_queue - num_one) / num_lsu;465 466 if (sdev_channel(sdev) != NATIVE_CHANNEL)467 goto common_config;468 469 set_qd_dev_type = true;470 471 }472 473common_config:474 475 /*476 * Check if SATA drive477 */478 if (set_qd_dev_type) {479 if (strncmp(sdev->vendor, "ATA", 3) == 0)480 depth = 32;481 else482 depth = 64;483 }484 485 /*486 * Firmware has an individual device recovery time typically487 * of 35 seconds, give us a margin. Thor devices can take longer in488 * error recovery, hence different value.489 */490 if (set_timeout) {491 timeout = aac->sa_firmware ? AAC_SA_TIMEOUT : AAC_ARC_TIMEOUT;492 blk_queue_rq_timeout(sdev->request_queue, timeout * HZ);493 }494 495 if (depth > 256)496 depth = 256;497 else if (depth < 1)498 depth = 1;499 500 scsi_change_queue_depth(sdev, depth);501 502 sdev->tagged_supported = 1;503 504 return 0;505}506 507/**508 * aac_change_queue_depth - alter queue depths509 * @sdev: SCSI device we are considering510 * @depth: desired queue depth511 *512 * Alters queue depths for target device based on the host adapter's513 * total capacity and the queue depth supported by the target device.514 */515 516static int aac_change_queue_depth(struct scsi_device *sdev, int depth)517{518 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);519 int chn, tid, is_native_device = 0;520 521 chn = aac_logical_to_phys(sdev_channel(sdev));522 tid = sdev_id(sdev);523 if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS &&524 aac->hba_map[chn][tid].devtype == AAC_DEVTYPE_NATIVE_RAW)525 is_native_device = 1;526 527 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&528 (sdev_channel(sdev) == CONTAINER_CHANNEL)) {529 struct scsi_device * dev;530 struct Scsi_Host *host = sdev->host;531 unsigned num = 0;532 533 __shost_for_each_device(dev, host) {534 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&535 (sdev_channel(dev) == CONTAINER_CHANNEL))536 ++num;537 ++num;538 }539 if (num >= host->can_queue)540 num = host->can_queue - 1;541 if (depth > (host->can_queue - num))542 depth = host->can_queue - num;543 if (depth > 256)544 depth = 256;545 else if (depth < 2)546 depth = 2;547 return scsi_change_queue_depth(sdev, depth);548 } else if (is_native_device) {549 scsi_change_queue_depth(sdev, aac->hba_map[chn][tid].qd_limit);550 } else {551 scsi_change_queue_depth(sdev, 1);552 }553 return sdev->queue_depth;554}555 556static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)557{558 struct scsi_device *sdev = to_scsi_device(dev);559 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);560 if (sdev_channel(sdev) != CONTAINER_CHANNEL)561 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach562 ? "Hidden\n" :563 ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));564 return snprintf(buf, PAGE_SIZE, "%s\n",565 get_container_type(aac->fsa_dev[sdev_id(sdev)].type));566}567 568static struct device_attribute aac_raid_level_attr = {569 .attr = {570 .name = "level",571 .mode = S_IRUGO,572 },573 .show = aac_show_raid_level574};575 576static ssize_t aac_show_unique_id(struct device *dev,577 struct device_attribute *attr, char *buf)578{579 struct scsi_device *sdev = to_scsi_device(dev);580 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);581 unsigned char sn[16];582 583 memset(sn, 0, sizeof(sn));584 585 if (sdev_channel(sdev) == CONTAINER_CHANNEL)586 memcpy(sn, aac->fsa_dev[sdev_id(sdev)].identifier, sizeof(sn));587 588 return snprintf(buf, 16 * 2 + 2,589 "%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X\n",590 sn[0], sn[1], sn[2], sn[3],591 sn[4], sn[5], sn[6], sn[7],592 sn[8], sn[9], sn[10], sn[11],593 sn[12], sn[13], sn[14], sn[15]);594}595 596static struct device_attribute aac_unique_id_attr = {597 .attr = {598 .name = "unique_id",599 .mode = 0444,600 },601 .show = aac_show_unique_id602};603 604 605 606static struct attribute *aac_dev_attrs[] = {607 &aac_raid_level_attr.attr,608 &aac_unique_id_attr.attr,609 NULL,610};611 612ATTRIBUTE_GROUPS(aac_dev);613 614static int aac_ioctl(struct scsi_device *sdev, unsigned int cmd,615 void __user *arg)616{617 int retval;618 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;619 if (!capable(CAP_SYS_RAWIO))620 return -EPERM;621 retval = aac_adapter_check_health(dev);622 if (retval)623 return -EBUSY;624 return aac_do_ioctl(dev, cmd, arg);625}626 627struct fib_count_data {628 int mlcnt;629 int llcnt;630 int ehcnt;631 int fwcnt;632 int krlcnt;633};634 635static bool fib_count_iter(struct scsi_cmnd *scmnd, void *data)636{637 struct fib_count_data *fib_count = data;638 639 switch (aac_priv(scmnd)->owner) {640 case AAC_OWNER_FIRMWARE:641 fib_count->fwcnt++;642 break;643 case AAC_OWNER_ERROR_HANDLER:644 fib_count->ehcnt++;645 break;646 case AAC_OWNER_LOWLEVEL:647 fib_count->llcnt++;648 break;649 case AAC_OWNER_MIDLEVEL:650 fib_count->mlcnt++;651 break;652 default:653 fib_count->krlcnt++;654 break;655 }656 return true;657}658 659/* Called during SCSI EH, so we don't need to block requests */660static int get_num_of_incomplete_fibs(struct aac_dev *aac)661{662 struct Scsi_Host *shost = aac->scsi_host_ptr;663 struct device *ctrl_dev;664 struct fib_count_data fcnt = { };665 666 scsi_host_busy_iter(shost, fib_count_iter, &fcnt);667 668 ctrl_dev = &aac->pdev->dev;669 670 dev_info(ctrl_dev, "outstanding cmd: midlevel-%d\n", fcnt.mlcnt);671 dev_info(ctrl_dev, "outstanding cmd: lowlevel-%d\n", fcnt.llcnt);672 dev_info(ctrl_dev, "outstanding cmd: error handler-%d\n", fcnt.ehcnt);673 dev_info(ctrl_dev, "outstanding cmd: firmware-%d\n", fcnt.fwcnt);674 dev_info(ctrl_dev, "outstanding cmd: kernel-%d\n", fcnt.krlcnt);675 676 return fcnt.mlcnt + fcnt.llcnt + fcnt.ehcnt + fcnt.fwcnt;677}678 679static int aac_eh_abort(struct scsi_cmnd* cmd)680{681 struct aac_cmd_priv *cmd_priv = aac_priv(cmd);682 struct scsi_device * dev = cmd->device;683 struct Scsi_Host * host = dev->host;684 struct aac_dev * aac = (struct aac_dev *)host->hostdata;685 int count, found;686 u32 bus, cid;687 int ret = FAILED;688 689 if (aac_adapter_check_health(aac))690 return ret;691 692 bus = aac_logical_to_phys(scmd_channel(cmd));693 cid = scmd_id(cmd);694 if (aac->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) {695 struct fib *fib;696 struct aac_hba_tm_req *tmf;697 int status;698 u64 address;699 700 pr_err("%s: Host adapter abort request (%d,%d,%d,%d)\n",701 AAC_DRIVERNAME,702 host->host_no, sdev_channel(dev), sdev_id(dev), (int)dev->lun);703 704 found = 0;705 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {706 fib = &aac->fibs[count];707 if (*(u8 *)fib->hw_fib_va != 0 &&708 (fib->flags & FIB_CONTEXT_FLAG_NATIVE_HBA) &&709 (fib->callback_data == cmd)) {710 found = 1;711 break;712 }713 }714 if (!found)715 return ret;716 717 /* start a HBA_TMF_ABORT_TASK TMF request */718 fib = aac_fib_alloc(aac);719 if (!fib)720 return ret;721 722 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;723 memset(tmf, 0, sizeof(*tmf));724 tmf->tmf = HBA_TMF_ABORT_TASK;725 tmf->it_nexus = aac->hba_map[bus][cid].rmw_nexus;726 tmf->lun[1] = cmd->device->lun;727 728 address = (u64)fib->hw_error_pa;729 tmf->error_ptr_hi = cpu_to_le32((u32)(address >> 32));730 tmf->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));731 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);732 733 fib->hbacmd_size = sizeof(*tmf);734 cmd_priv->sent_command = 0;735 736 status = aac_hba_send(HBA_IU_TYPE_SCSI_TM_REQ, fib,737 (fib_callback) aac_hba_callback,738 (void *) cmd);739 if (status != -EINPROGRESS) {740 aac_fib_complete(fib);741 aac_fib_free(fib);742 return ret;743 }744 /* Wait up to 15 secs for completion */745 for (count = 0; count < 15; ++count) {746 if (cmd_priv->sent_command) {747 ret = SUCCESS;748 break;749 }750 msleep(1000);751 }752 753 if (ret != SUCCESS)754 pr_err("%s: Host adapter abort request timed out\n",755 AAC_DRIVERNAME);756 } else {757 pr_err(758 "%s: Host adapter abort request.\n"759 "%s: Outstanding commands on (%d,%d,%d,%d):\n",760 AAC_DRIVERNAME, AAC_DRIVERNAME,761 host->host_no, sdev_channel(dev), sdev_id(dev),762 (int)dev->lun);763 switch (cmd->cmnd[0]) {764 case SERVICE_ACTION_IN_16:765 if (!(aac->raw_io_interface) ||766 !(aac->raw_io_64) ||767 ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))768 break;769 fallthrough;770 case INQUIRY:771 case READ_CAPACITY:772 /*773 * Mark associated FIB to not complete,774 * eh handler does this775 */776 for (count = 0;777 count < (host->can_queue + AAC_NUM_MGT_FIB);778 ++count) {779 struct fib *fib = &aac->fibs[count];780 781 if (fib->hw_fib_va->header.XferState &&782 (fib->flags & FIB_CONTEXT_FLAG) &&783 (fib->callback_data == cmd)) {784 fib->flags |=785 FIB_CONTEXT_FLAG_TIMED_OUT;786 cmd_priv->owner =787 AAC_OWNER_ERROR_HANDLER;788 ret = SUCCESS;789 }790 }791 break;792 case TEST_UNIT_READY:793 /*794 * Mark associated FIB to not complete,795 * eh handler does this796 */797 for (count = 0;798 count < (host->can_queue + AAC_NUM_MGT_FIB);799 ++count) {800 struct scsi_cmnd *command;801 struct fib *fib = &aac->fibs[count];802 803 command = fib->callback_data;804 805 if ((fib->hw_fib_va->header.XferState &806 cpu_to_le32807 (Async | NoResponseExpected)) &&808 (fib->flags & FIB_CONTEXT_FLAG) &&809 ((command)) &&810 (command->device == cmd->device)) {811 fib->flags |=812 FIB_CONTEXT_FLAG_TIMED_OUT;813 aac_priv(command)->owner =814 AAC_OWNER_ERROR_HANDLER;815 if (command == cmd)816 ret = SUCCESS;817 }818 }819 break;820 }821 }822 return ret;823}824 825static u8 aac_eh_tmf_lun_reset_fib(struct aac_hba_map_info *info,826 struct fib *fib, u64 tmf_lun)827{828 struct aac_hba_tm_req *tmf;829 u64 address;830 831 /* start a HBA_TMF_LUN_RESET TMF request */832 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;833 memset(tmf, 0, sizeof(*tmf));834 tmf->tmf = HBA_TMF_LUN_RESET;835 tmf->it_nexus = info->rmw_nexus;836 int_to_scsilun(tmf_lun, (struct scsi_lun *)tmf->lun);837 838 address = (u64)fib->hw_error_pa;839 tmf->error_ptr_hi = cpu_to_le32840 ((u32)(address >> 32));841 tmf->error_ptr_lo = cpu_to_le32842 ((u32)(address & 0xffffffff));843 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);844 fib->hbacmd_size = sizeof(*tmf);845 846 return HBA_IU_TYPE_SCSI_TM_REQ;847}848 849static u8 aac_eh_tmf_hard_reset_fib(struct aac_hba_map_info *info,850 struct fib *fib)851{852 struct aac_hba_reset_req *rst;853 u64 address;854 855 /* already tried, start a hard reset now */856 rst = (struct aac_hba_reset_req *)fib->hw_fib_va;857 memset(rst, 0, sizeof(*rst));858 rst->it_nexus = info->rmw_nexus;859 860 address = (u64)fib->hw_error_pa;861 rst->error_ptr_hi = cpu_to_le32((u32)(address >> 32));862 rst->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));863 rst->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);864 fib->hbacmd_size = sizeof(*rst);865 866 return HBA_IU_TYPE_SATA_REQ;867}868 869static void aac_tmf_callback(void *context, struct fib *fibptr)870{871 struct aac_hba_resp *err =872 &((struct aac_native_hba *)fibptr->hw_fib_va)->resp.err;873 struct aac_hba_map_info *info = context;874 int res;875 876 switch (err->service_response) {877 case HBA_RESP_SVCRES_TMF_REJECTED:878 res = -1;879 break;880 case HBA_RESP_SVCRES_TMF_LUN_INVALID:881 res = 0;882 break;883 case HBA_RESP_SVCRES_TMF_COMPLETE:884 case HBA_RESP_SVCRES_TMF_SUCCEEDED:885 res = 0;886 break;887 default:888 res = -2;889 break;890 }891 aac_fib_complete(fibptr);892 893 info->reset_state = res;894}895 896/*897 * aac_eh_dev_reset - Device reset command handling898 * @scsi_cmd: SCSI command block causing the reset899 *900 */901static int aac_eh_dev_reset(struct scsi_cmnd *cmd)902{903 struct scsi_device * dev = cmd->device;904 struct Scsi_Host * host = dev->host;905 struct aac_dev * aac = (struct aac_dev *)host->hostdata;906 struct aac_hba_map_info *info;907 int count;908 u32 bus, cid;909 struct fib *fib;910 int ret = FAILED;911 int status;912 u8 command;913 914 bus = aac_logical_to_phys(scmd_channel(cmd));915 cid = scmd_id(cmd);916 917 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS)918 return FAILED;919 920 info = &aac->hba_map[bus][cid];921 922 if (!(info->devtype == AAC_DEVTYPE_NATIVE_RAW &&923 !(info->reset_state > 0)))924 return FAILED;925 926 pr_err("%s: Host device reset request. SCSI hang ?\n",927 AAC_DRIVERNAME);928 929 fib = aac_fib_alloc(aac);930 if (!fib)931 return ret;932 933 /* start a HBA_TMF_LUN_RESET TMF request */934 command = aac_eh_tmf_lun_reset_fib(info, fib, dev->lun);935 936 info->reset_state = 1;937 938 status = aac_hba_send(command, fib,939 (fib_callback) aac_tmf_callback,940 (void *) info);941 if (status != -EINPROGRESS) {942 info->reset_state = 0;943 aac_fib_complete(fib);944 aac_fib_free(fib);945 return ret;946 }947 /* Wait up to 15 seconds for completion */948 for (count = 0; count < 15; ++count) {949 if (info->reset_state == 0) {950 ret = info->reset_state == 0 ? SUCCESS : FAILED;951 break;952 }953 msleep(1000);954 }955 956 return ret;957}958 959/*960 * aac_eh_target_reset - Target reset command handling961 * @scsi_cmd: SCSI command block causing the reset962 *963 */964static int aac_eh_target_reset(struct scsi_cmnd *cmd)965{966 struct scsi_device * dev = cmd->device;967 struct Scsi_Host * host = dev->host;968 struct aac_dev * aac = (struct aac_dev *)host->hostdata;969 struct aac_hba_map_info *info;970 int count;971 u32 bus, cid;972 int ret = FAILED;973 struct fib *fib;974 int status;975 u8 command;976 977 bus = aac_logical_to_phys(scmd_channel(cmd));978 cid = scmd_id(cmd);979 980 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS)981 return FAILED;982 983 info = &aac->hba_map[bus][cid];984 985 if (!(info->devtype == AAC_DEVTYPE_NATIVE_RAW &&986 !(info->reset_state > 0)))987 return FAILED;988 989 pr_err("%s: Host target reset request. SCSI hang ?\n",990 AAC_DRIVERNAME);991 992 fib = aac_fib_alloc(aac);993 if (!fib)994 return ret;995 996 997 /* already tried, start a hard reset now */998 command = aac_eh_tmf_hard_reset_fib(info, fib);999 1000 info->reset_state = 2;1001 1002 status = aac_hba_send(command, fib,1003 (fib_callback) aac_tmf_callback,1004 (void *) info);1005 1006 if (status != -EINPROGRESS) {1007 info->reset_state = 0;1008 aac_fib_complete(fib);1009 aac_fib_free(fib);1010 return ret;1011 }1012 1013 /* Wait up to 15 seconds for completion */1014 for (count = 0; count < 15; ++count) {1015 if (info->reset_state <= 0) {1016 ret = info->reset_state == 0 ? SUCCESS : FAILED;1017 break;1018 }1019 msleep(1000);1020 }1021 1022 return ret;1023}1024 1025/*1026 * aac_eh_bus_reset - Bus reset command handling1027 * @scsi_cmd: SCSI command block causing the reset1028 *1029 */1030static int aac_eh_bus_reset(struct scsi_cmnd* cmd)1031{1032 struct scsi_device * dev = cmd->device;1033 struct Scsi_Host * host = dev->host;1034 struct aac_dev * aac = (struct aac_dev *)host->hostdata;1035 int count;1036 u32 cmd_bus;1037 int status = 0;1038 1039 1040 cmd_bus = aac_logical_to_phys(scmd_channel(cmd));1041 /* Mark the assoc. FIB to not complete, eh handler does this */1042 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {1043 struct fib *fib = &aac->fibs[count];1044 1045 if (fib->hw_fib_va->header.XferState &&1046 (fib->flags & FIB_CONTEXT_FLAG) &&1047 (fib->flags & FIB_CONTEXT_FLAG_SCSI_CMD)) {1048 struct aac_hba_map_info *info;1049 u32 bus, cid;1050 1051 cmd = (struct scsi_cmnd *)fib->callback_data;1052 bus = aac_logical_to_phys(scmd_channel(cmd));1053 if (bus != cmd_bus)1054 continue;1055 cid = scmd_id(cmd);1056 info = &aac->hba_map[bus][cid];1057 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS ||1058 info->devtype != AAC_DEVTYPE_NATIVE_RAW) {1059 fib->flags |= FIB_CONTEXT_FLAG_EH_RESET;1060 aac_priv(cmd)->owner = AAC_OWNER_ERROR_HANDLER;1061 }1062 }1063 }1064 1065 pr_err("%s: Host bus reset request. SCSI hang ?\n", AAC_DRIVERNAME);1066 1067 /*1068 * Check the health of the controller1069 */1070 status = aac_adapter_check_health(aac);1071 if (status)1072 dev_err(&aac->pdev->dev, "Adapter health - %d\n", status);1073 1074 count = get_num_of_incomplete_fibs(aac);1075 return (count == 0) ? SUCCESS : FAILED;1076}1077 1078/*1079 * aac_eh_host_reset - Host reset command handling1080 * @scsi_cmd: SCSI command block causing the reset1081 *1082 */1083static int aac_eh_host_reset(struct scsi_cmnd *cmd)1084{1085 struct scsi_device * dev = cmd->device;1086 struct Scsi_Host * host = dev->host;1087 struct aac_dev * aac = (struct aac_dev *)host->hostdata;1088 int ret = FAILED;1089 __le32 supported_options2 = 0;1090 bool is_mu_reset;1091 bool is_ignore_reset;1092 bool is_doorbell_reset;1093 1094 /*1095 * Check if reset is supported by the firmware1096 */1097 supported_options2 = aac->supplement_adapter_info.supported_options2;1098 is_mu_reset = supported_options2 & AAC_OPTION_MU_RESET;1099 is_doorbell_reset = supported_options2 & AAC_OPTION_DOORBELL_RESET;1100 is_ignore_reset = supported_options2 & AAC_OPTION_IGNORE_RESET;1101 /*1102 * This adapter needs a blind reset, only do so for1103 * Adapters that support a register, instead of a commanded,1104 * reset.1105 */1106 if ((is_mu_reset || is_doorbell_reset)1107 && aac_check_reset1108 && (aac_check_reset != -1 || !is_ignore_reset)) {1109 /* Bypass wait for command quiesce */1110 if (aac_reset_adapter(aac, 2, IOP_HWSOFT_RESET) == 0)1111 ret = SUCCESS;1112 }1113 /*1114 * Reset EH state1115 */1116 if (ret == SUCCESS) {1117 int bus, cid;1118 struct aac_hba_map_info *info;1119 1120 for (bus = 0; bus < AAC_MAX_BUSES; bus++) {1121 for (cid = 0; cid < AAC_MAX_TARGETS; cid++) {1122 info = &aac->hba_map[bus][cid];1123 if (info->devtype == AAC_DEVTYPE_NATIVE_RAW)1124 info->reset_state = 0;1125 }1126 }1127 }1128 return ret;1129}1130 1131/**1132 * aac_cfg_open - open a configuration file1133 * @inode: inode being opened1134 * @file: file handle attached1135 *1136 * Called when the configuration device is opened. Does the needed1137 * set up on the handle and then returns1138 *1139 * Bugs: This needs extending to check a given adapter is present1140 * so we can support hot plugging, and to ref count adapters.1141 */1142 1143static int aac_cfg_open(struct inode *inode, struct file *file)1144{1145 struct aac_dev *aac;1146 unsigned minor_number = iminor(inode);1147 int err = -ENODEV;1148 1149 mutex_lock(&aac_mutex); /* BKL pushdown: nothing else protects this list */1150 list_for_each_entry(aac, &aac_devices, entry) {1151 if (aac->id == minor_number) {1152 file->private_data = aac;1153 err = 0;1154 break;1155 }1156 }1157 mutex_unlock(&aac_mutex);1158 1159 return err;1160}1161 1162/**1163 * aac_cfg_ioctl - AAC configuration request1164 * @file: file handle1165 * @cmd: ioctl command code1166 * @arg: argument1167 *1168 * Handles a configuration ioctl. Currently this involves wrapping it1169 * up and feeding it into the nasty windowsalike glue layer.1170 *1171 * Bugs: Needs locking against parallel ioctls lower down1172 * Bugs: Needs to handle hot plugging1173 */1174 1175static long aac_cfg_ioctl(struct file *file,1176 unsigned int cmd, unsigned long arg)1177{1178 struct aac_dev *aac = (struct aac_dev *)file->private_data;1179 1180 if (!capable(CAP_SYS_RAWIO))1181 return -EPERM;1182 1183 return aac_do_ioctl(aac, cmd, (void __user *)arg);1184}1185 1186static ssize_t aac_show_model(struct device *device,1187 struct device_attribute *attr, char *buf)1188{1189 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;1190 int len;1191 1192 if (dev->supplement_adapter_info.adapter_type_text[0]) {1193 char *cp = dev->supplement_adapter_info.adapter_type_text;1194 while (*cp && *cp != ' ')1195 ++cp;1196 while (*cp == ' ')1197 ++cp;1198 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);1199 } else1200 len = snprintf(buf, PAGE_SIZE, "%s\n",1201 aac_drivers[dev->cardtype].model);1202 return len;1203}1204 1205static ssize_t aac_show_vendor(struct device *device,1206 struct device_attribute *attr, char *buf)1207{1208 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;1209 struct aac_supplement_adapter_info *sup_adap_info;1210 int len;1211 1212 sup_adap_info = &dev->supplement_adapter_info;1213 if (sup_adap_info->adapter_type_text[0]) {1214 char *cp = sup_adap_info->adapter_type_text;1215 while (*cp && *cp != ' ')1216 ++cp;1217 len = snprintf(buf, PAGE_SIZE, "%.*s\n",1218 (int)(cp - (char *)sup_adap_info->adapter_type_text),1219 sup_adap_info->adapter_type_text);1220 } else1221 len = snprintf(buf, PAGE_SIZE, "%s\n",1222 aac_drivers[dev->cardtype].vname);1223 return len;1224}1225 1226static ssize_t aac_show_flags(struct device *cdev,1227 struct device_attribute *attr, char *buf)1228{1229 int len = 0;1230 struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;1231 1232 if (nblank(dprintk(x)))1233 len = snprintf(buf, PAGE_SIZE, "dprintk\n");1234#ifdef AAC_DETAILED_STATUS_INFO1235 len += scnprintf(buf + len, PAGE_SIZE - len,1236 "AAC_DETAILED_STATUS_INFO\n");1237#endif1238 if (dev->raw_io_interface && dev->raw_io_64)1239 len += scnprintf(buf + len, PAGE_SIZE - len,1240 "SAI_READ_CAPACITY_16\n");1241 if (dev->jbod)1242 len += scnprintf(buf + len, PAGE_SIZE - len,1243 "SUPPORTED_JBOD\n");1244 if (dev->supplement_adapter_info.supported_options2 &1245 AAC_OPTION_POWER_MANAGEMENT)1246 len += scnprintf(buf + len, PAGE_SIZE - len,1247 "SUPPORTED_POWER_MANAGEMENT\n");1248 if (dev->msi)1249 len += scnprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");1250 return len;1251}1252 1253static ssize_t aac_show_kernel_version(struct device *device,1254 struct device_attribute *attr,1255 char *buf)1256{1257 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;1258 int len, tmp;1259 1260 tmp = le32_to_cpu(dev->adapter_info.kernelrev);1261 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",1262 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,1263 le32_to_cpu(dev->adapter_info.kernelbuild));1264 return len;1265}1266 1267static ssize_t aac_show_monitor_version(struct device *device,1268 struct device_attribute *attr,1269 char *buf)1270{1271 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;1272 int len, tmp;1273 1274 tmp = le32_to_cpu(dev->adapter_info.monitorrev);1275 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",1276 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,1277 le32_to_cpu(dev->adapter_info.monitorbuild));1278 return len;1279}1280 1281static ssize_t aac_show_bios_version(struct device *device,1282 struct device_attribute *attr,1283 char *buf)1284{1285 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;1286 int len, tmp;1287 1288 tmp = le32_to_cpu(dev->adapter_info.biosrev);1289 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",1290 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,1291 le32_to_cpu(dev->adapter_info.biosbuild));1292 return len;1293}1294 1295static ssize_t aac_show_driver_version(struct device *device,1296 struct device_attribute *attr,1297 char *buf)1298{1299 return snprintf(buf, PAGE_SIZE, "%s\n", aac_driver_version);1300}1301 1302static ssize_t aac_show_serial_number(struct device *device,1303 struct device_attribute *attr, char *buf)1304{1305 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;1306 int len = 0;1307 1308 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)1309 len = snprintf(buf, 16, "%06X\n",1310 le32_to_cpu(dev->adapter_info.serial[0]));1311 if (len &&1312 !memcmp(&dev->supplement_adapter_info.mfg_pcba_serial_no[1313 sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no)-len],1314 buf, len-1))1315 len = snprintf(buf, 16, "%.*s\n",1316 (int)sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no),1317 dev->supplement_adapter_info.mfg_pcba_serial_no);1318 1319 return min(len, 16);1320}1321 1322static ssize_t aac_show_max_channel(struct device *device,1323 struct device_attribute *attr, char *buf)1324{1325 return snprintf(buf, PAGE_SIZE, "%d\n",1326 class_to_shost(device)->max_channel);1327}1328 1329static ssize_t aac_show_max_id(struct device *device,1330 struct device_attribute *attr, char *buf)1331{1332 return snprintf(buf, PAGE_SIZE, "%d\n",1333 class_to_shost(device)->max_id);1334}1335 1336static ssize_t aac_store_reset_adapter(struct device *device,1337 struct device_attribute *attr,1338 const char *buf, size_t count)1339{1340 int retval = -EACCES;1341 1342 if (!capable(CAP_SYS_ADMIN))1343 return retval;1344 1345 retval = aac_reset_adapter(shost_priv(class_to_shost(device)),1346 buf[0] == '!', IOP_HWSOFT_RESET);1347 if (retval >= 0)1348 retval = count;1349 1350 return retval;1351}1352 1353static ssize_t aac_show_reset_adapter(struct device *device,1354 struct device_attribute *attr,1355 char *buf)1356{1357 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;1358 int len, tmp;1359 1360 tmp = aac_adapter_check_health(dev);1361 if ((tmp == 0) && dev->in_reset)1362 tmp = -EBUSY;1363 len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);1364 return len;1365}1366 1367static struct device_attribute aac_model = {1368 .attr = {1369 .name = "model",1370 .mode = S_IRUGO,1371 },1372 .show = aac_show_model,1373};1374static struct device_attribute aac_vendor = {1375 .attr = {1376 .name = "vendor",1377 .mode = S_IRUGO,1378 },1379 .show = aac_show_vendor,1380};1381static struct device_attribute aac_flags = {1382 .attr = {1383 .name = "flags",1384 .mode = S_IRUGO,1385 },1386 .show = aac_show_flags,1387};1388static struct device_attribute aac_kernel_version = {1389 .attr = {1390 .name = "hba_kernel_version",1391 .mode = S_IRUGO,1392 },1393 .show = aac_show_kernel_version,1394};1395static struct device_attribute aac_monitor_version = {1396 .attr = {1397 .name = "hba_monitor_version",1398 .mode = S_IRUGO,1399 },1400 .show = aac_show_monitor_version,1401};1402static struct device_attribute aac_bios_version = {1403 .attr = {1404 .name = "hba_bios_version",1405 .mode = S_IRUGO,1406 },1407 .show = aac_show_bios_version,1408};1409static struct device_attribute aac_lld_version = {1410 .attr = {1411 .name = "driver_version",1412 .mode = 0444,1413 },1414 .show = aac_show_driver_version,1415};1416static struct device_attribute aac_serial_number = {1417 .attr = {1418 .name = "serial_number",1419 .mode = S_IRUGO,1420 },1421 .show = aac_show_serial_number,1422};1423static struct device_attribute aac_max_channel = {1424 .attr = {1425 .name = "max_channel",1426 .mode = S_IRUGO,1427 },1428 .show = aac_show_max_channel,1429};1430static struct device_attribute aac_max_id = {1431 .attr = {1432 .name = "max_id",1433 .mode = S_IRUGO,1434 },1435 .show = aac_show_max_id,1436};1437static struct device_attribute aac_reset = {1438 .attr = {1439 .name = "reset_host",1440 .mode = S_IWUSR|S_IRUGO,1441 },1442 .store = aac_store_reset_adapter,1443 .show = aac_show_reset_adapter,1444};1445 1446static struct attribute *aac_host_attrs[] = {1447 &aac_model.attr,1448 &aac_vendor.attr,1449 &aac_flags.attr,1450 &aac_kernel_version.attr,1451 &aac_monitor_version.attr,1452 &aac_bios_version.attr,1453 &aac_lld_version.attr,1454 &aac_serial_number.attr,1455 &aac_max_channel.attr,1456 &aac_max_id.attr,1457 &aac_reset.attr,1458 NULL1459};1460 1461ATTRIBUTE_GROUPS(aac_host);1462 1463ssize_t aac_get_serial_number(struct device *device, char *buf)1464{1465 return aac_show_serial_number(device, &aac_serial_number, buf);1466}1467 1468static const struct file_operations aac_cfg_fops = {1469 .owner = THIS_MODULE,1470 .unlocked_ioctl = aac_cfg_ioctl,1471#ifdef CONFIG_COMPAT1472 .compat_ioctl = aac_cfg_ioctl,1473#endif1474 .open = aac_cfg_open,1475 .llseek = noop_llseek,1476};1477 1478static const struct scsi_host_template aac_driver_template = {1479 .module = THIS_MODULE,1480 .name = "AAC",1481 .proc_name = AAC_DRIVERNAME,1482 .info = aac_info,1483 .ioctl = aac_ioctl,1484#ifdef CONFIG_COMPAT1485 .compat_ioctl = aac_ioctl,1486#endif1487 .queuecommand = aac_queuecommand,1488 .bios_param = aac_biosparm,1489 .shost_groups = aac_host_groups,1490 .slave_configure = aac_slave_configure,1491 .change_queue_depth = aac_change_queue_depth,1492 .sdev_groups = aac_dev_groups,1493 .eh_abort_handler = aac_eh_abort,1494 .eh_device_reset_handler = aac_eh_dev_reset,1495 .eh_target_reset_handler = aac_eh_target_reset,1496 .eh_bus_reset_handler = aac_eh_bus_reset,1497 .eh_host_reset_handler = aac_eh_host_reset,1498 .can_queue = AAC_NUM_IO_FIB,1499 .this_id = MAXIMUM_NUM_CONTAINERS,1500 .sg_tablesize = 16,1501 .max_sectors = 128,1502#if (AAC_NUM_IO_FIB > 256)1503 .cmd_per_lun = 256,1504#else1505 .cmd_per_lun = AAC_NUM_IO_FIB,1506#endif1507 .emulated = 1,1508 .no_write_same = 1,1509 .cmd_size = sizeof(struct aac_cmd_priv),1510};1511 1512static void __aac_shutdown(struct aac_dev * aac)1513{1514 int i;1515 1516 mutex_lock(&aac->ioctl_mutex);1517 aac->adapter_shutdown = 1;1518 mutex_unlock(&aac->ioctl_mutex);1519 1520 if (aac->aif_thread) {1521 int i;1522 /* Clear out events first */1523 for (i = 0; i < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++) {1524 struct fib *fib = &aac->fibs[i];1525 if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) &&1526 (fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected)))1527 complete(&fib->event_wait);1528 }1529 kthread_stop(aac->thread);1530 aac->thread = NULL;1531 }1532 1533 aac_send_shutdown(aac);1534 1535 aac_adapter_disable_int(aac);1536 1537 if (aac_is_src(aac)) {1538 if (aac->max_msix > 1) {1539 for (i = 0; i < aac->max_msix; i++) {1540 free_irq(pci_irq_vector(aac->pdev, i),1541 &(aac->aac_msix[i]));1542 }1543 } else {1544 free_irq(aac->pdev->irq,1545 &(aac->aac_msix[0]));1546 }1547 } else {1548 free_irq(aac->pdev->irq, aac);1549 }1550 if (aac->msi)1551 pci_disable_msi(aac->pdev);1552 else if (aac->max_msix > 1)1553 pci_disable_msix(aac->pdev);1554}1555static void aac_init_char(void)1556{1557 aac_cfg_major = register_chrdev(0, "aac", &aac_cfg_fops);1558 if (aac_cfg_major < 0) {1559 pr_err("aacraid: unable to register \"aac\" device.\n");1560 }1561}1562 1563void aac_reinit_aif(struct aac_dev *aac, unsigned int index)1564{1565 /*1566 * Firmware may send a AIF messages very early and the Driver may have1567 * ignored as it is not fully ready to process the messages. Send1568 * AIF to firmware so that if there are any unprocessed events they1569 * can be processed now.1570 */1571 if (aac_drivers[index].quirks & AAC_QUIRK_SRC)1572 aac_intr_normal(aac, 0, 2, 0, NULL);1573 1574}1575 1576static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)1577{1578 unsigned index = id->driver_data;1579 struct Scsi_Host *shost;1580 struct aac_dev *aac;1581 struct list_head *insert = &aac_devices;1582 int error;1583 int unique_id = 0;1584 u64 dmamask;1585 int mask_bits = 0;1586 extern int aac_sync_mode;1587 1588 /*1589 * Only series 7 needs freset.1590 */1591 if (pdev->device == PMC_DEVICE_S7)1592 pdev->needs_freset = 1;1593 1594 list_for_each_entry(aac, &aac_devices, entry) {1595 if (aac->id > unique_id)1596 break;1597 insert = &aac->entry;1598 unique_id++;1599 }1600 1601 pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |1602 PCIE_LINK_STATE_CLKPM);1603 1604 error = pci_enable_device(pdev);1605 if (error)1606 goto out;1607 1608 if (!(aac_drivers[index].quirks & AAC_QUIRK_SRC)) {1609 error = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));1610 if (error) {1611 dev_err(&pdev->dev, "PCI 32 BIT dma mask set failed");1612 goto out_disable_pdev;1613 }1614 }1615 1616 /*1617 * If the quirk31 bit is set, the adapter needs adapter1618 * to driver communication memory to be allocated below 2gig1619 */1620 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) {1621 dmamask = DMA_BIT_MASK(31);1622 mask_bits = 31;1623 } else {1624 dmamask = DMA_BIT_MASK(32);1625 mask_bits = 32;1626 }1627 1628 error = dma_set_coherent_mask(&pdev->dev, dmamask);1629 if (error) {1630 dev_err(&pdev->dev, "PCI %d B consistent dma mask set failed\n"1631 , mask_bits);1632 goto out_disable_pdev;1633 }1634 1635 pci_set_master(pdev);1636 1637 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));1638 if (!shost) {1639 error = -ENOMEM;1640 goto out_disable_pdev;1641 }1642 1643 shost->irq = pdev->irq;1644 shost->unique_id = unique_id;1645 shost->max_cmd_len = 16;1646 1647 if (aac_cfg_major == AAC_CHARDEV_NEEDS_REINIT)1648 aac_init_char();1649 1650 aac = (struct aac_dev *)shost->hostdata;1651 aac->base_start = pci_resource_start(pdev, 0);1652 aac->scsi_host_ptr = shost;1653 aac->pdev = pdev;1654 aac->name = aac_driver_template.name;1655 aac->id = shost->unique_id;1656 aac->cardtype = index;1657 INIT_LIST_HEAD(&aac->entry);1658 1659 if (aac_reset_devices || reset_devices)1660 aac->init_reset = true;1661 1662 aac->fibs = kcalloc(shost->can_queue + AAC_NUM_MGT_FIB,1663 sizeof(struct fib),1664 GFP_KERNEL);1665 if (!aac->fibs) {1666 error = -ENOMEM;1667 goto out_free_host;1668 }1669 1670 spin_lock_init(&aac->fib_lock);1671 1672 mutex_init(&aac->ioctl_mutex);1673 mutex_init(&aac->scan_mutex);1674 1675 INIT_DELAYED_WORK(&aac->safw_rescan_work, aac_safw_rescan_worker);1676 INIT_DELAYED_WORK(&aac->src_reinit_aif_worker,1677 aac_src_reinit_aif_worker);1678 /*1679 * Map in the registers from the adapter.1680 */1681 aac->base_size = AAC_MIN_FOOTPRINT_SIZE;1682 if ((*aac_drivers[index].init)(aac)) {1683 error = -ENODEV;1684 goto out_unmap;1685 }1686 1687 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 else1695 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 1702 /*1703 * Start any kernel threads needed1704 */1705 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);1706 if (IS_ERR(aac->thread)) {1707 printk(KERN_ERR "aacraid: Unable to create command thread.\n");1708 error = PTR_ERR(aac->thread);1709 aac->thread = NULL;1710 goto out_deinit;1711 }1712 1713 aac->maximum_num_channels = aac_drivers[index].channels;1714 error = aac_get_adapter_info(aac);1715 if (error < 0)1716 goto out_deinit;1717 1718 /*1719 * Lets override negotiations and drop the maximum SG limit to 341720 */1721 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&1722 (shost->sg_tablesize > 34)) {1723 shost->sg_tablesize = 34;1724 shost->max_sectors = (shost->sg_tablesize * 8) + 112;1725 }1726 1727 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&1728 (shost->sg_tablesize > 17)) {1729 shost->sg_tablesize = 17;1730 shost->max_sectors = (shost->sg_tablesize * 8) + 112;1731 }1732 1733 if (aac->adapter_info.options & AAC_OPT_NEW_COMM)1734 shost->max_segment_size = shost->max_sectors << 9;1735 else1736 shost->max_segment_size = 65536;1737 1738 /*1739 * Firmware printf works only with older firmware.1740 */1741 if (aac_drivers[index].quirks & AAC_QUIRK_34SG)1742 aac->printf_enabled = 1;1743 else1744 aac->printf_enabled = 0;1745 1746 /*1747 * max channel will be the physical channels plus 1 virtual channel1748 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)1749 * physical channels are address by their actual physical number+11750 */1751 if (aac->nondasd_support || expose_physicals || aac->jbod)1752 shost->max_channel = aac->maximum_num_channels;1753 else1754 shost->max_channel = 0;1755 1756 aac_get_config_status(aac, 0);1757 aac_get_containers(aac);1758 list_add(&aac->entry, insert);1759 1760 shost->max_id = aac->maximum_num_containers;1761 if (shost->max_id < aac->maximum_num_physicals)1762 shost->max_id = aac->maximum_num_physicals;1763 if (shost->max_id < MAXIMUM_NUM_CONTAINERS)1764 shost->max_id = MAXIMUM_NUM_CONTAINERS;1765 else1766 shost->this_id = shost->max_id;1767 1768 if (!aac->sa_firmware && aac_drivers[index].quirks & AAC_QUIRK_SRC)1769 aac_intr_normal(aac, 0, 2, 0, NULL);1770 1771 /*1772 * dmb - we may need to move the setting of these parms somewhere else once1773 * we get a fib that can report the actual numbers1774 */1775 shost->max_lun = AAC_MAX_LUN;1776 1777 pci_set_drvdata(pdev, shost);1778 1779 error = scsi_add_host(shost, &pdev->dev);1780 if (error)1781 goto out_deinit;1782 1783 aac_scan_host(aac);1784 1785 pci_save_state(pdev);1786 1787 return 0;1788 1789 out_deinit:1790 __aac_shutdown(aac);1791 out_unmap:1792 aac_fib_map_free(aac);1793 if (aac->comm_addr)1794 dma_free_coherent(&aac->pdev->dev, aac->comm_size,1795 aac->comm_addr, aac->comm_phys);1796 kfree(aac->queues);1797 aac_adapter_ioremap(aac, 0);1798 kfree(aac->fibs);1799 kfree(aac->fsa_dev);1800 out_free_host:1801 scsi_host_put(shost);1802 out_disable_pdev:1803 pci_disable_device(pdev);1804 out:1805 return error;1806}1807 1808static void aac_release_resources(struct aac_dev *aac)1809{1810 aac_adapter_disable_int(aac);1811 aac_free_irq(aac);1812}1813 1814static int aac_acquire_resources(struct aac_dev *dev)1815{1816 unsigned long status;1817 /*1818 * First clear out all interrupts. Then enable the one's that we1819 * can handle.1820 */1821 while (!((status = src_readl(dev, MUnit.OMR)) & KERNEL_UP_AND_RUNNING)1822 || status == 0xffffffff)1823 msleep(20);1824 1825 aac_adapter_disable_int(dev);1826 aac_adapter_enable_int(dev);1827 1828 1829 if (aac_is_src(dev))1830 aac_define_int_mode(dev);1831 1832 if (dev->msi_enabled)1833 aac_src_access_devreg(dev, AAC_ENABLE_MSIX);1834 1835 if (aac_acquire_irq(dev))1836 goto error_iounmap;1837 1838 aac_adapter_enable_int(dev);1839 1840 /*max msix may change after EEH1841 * Re-assign vectors to fibs1842 */1843 aac_fib_vector_assign(dev);1844 1845 if (!dev->sync_mode) {1846 /* After EEH recovery or suspend resume, max_msix count1847 * may change, therefore updating in init as well.1848 */1849 dev->init->r7.no_of_msix_vectors = cpu_to_le32(dev->max_msix);1850 aac_adapter_start(dev);1851 }1852 return 0;1853 1854error_iounmap:1855 return -1;1856 1857}1858 1859static int __maybe_unused aac_suspend(struct device *dev)1860{1861 struct Scsi_Host *shost = dev_get_drvdata(dev);1862 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;1863 1864 scsi_host_block(shost);1865 aac_cancel_rescan_worker(aac);1866 aac_send_shutdown(aac);1867 1868 aac_release_resources(aac);1869 1870 return 0;1871}1872 1873static int __maybe_unused aac_resume(struct device *dev)1874{1875 struct Scsi_Host *shost = dev_get_drvdata(dev);1876 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;1877 1878 if (aac_acquire_resources(aac))1879 goto fail_device;1880 /*1881 * reset this flag to unblock ioctl() as it was set at1882 * aac_send_shutdown() to block ioctls from upperlayer1883 */1884 aac->adapter_shutdown = 0;1885 scsi_host_unblock(shost, SDEV_RUNNING);1886 1887 return 0;1888 1889fail_device:1890 printk(KERN_INFO "%s%d: resume failed.\n", aac->name, aac->id);1891 scsi_host_put(shost);1892 return -ENODEV;1893}1894 1895static void aac_shutdown(struct pci_dev *dev)1896{1897 struct Scsi_Host *shost = pci_get_drvdata(dev);1898 1899 scsi_host_block(shost);1900 __aac_shutdown((struct aac_dev *)shost->hostdata);1901}1902 1903static void aac_remove_one(struct pci_dev *pdev)1904{1905 struct Scsi_Host *shost = pci_get_drvdata(pdev);1906 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;1907 1908 aac_cancel_rescan_worker(aac);1909 scsi_remove_host(shost);1910 1911 __aac_shutdown(aac);1912 aac_fib_map_free(aac);1913 dma_free_coherent(&aac->pdev->dev, aac->comm_size, aac->comm_addr,1914 aac->comm_phys);1915 kfree(aac->queues);1916 1917 aac_adapter_ioremap(aac, 0);1918 1919 kfree(aac->fibs);1920 kfree(aac->fsa_dev);1921 1922 list_del(&aac->entry);1923 scsi_host_put(shost);1924 pci_disable_device(pdev);1925 if (list_empty(&aac_devices)) {1926 unregister_chrdev(aac_cfg_major, "aac");1927 aac_cfg_major = AAC_CHARDEV_NEEDS_REINIT;1928 }1929}1930 1931static pci_ers_result_t aac_pci_error_detected(struct pci_dev *pdev,1932 pci_channel_state_t error)1933{1934 struct Scsi_Host *shost = pci_get_drvdata(pdev);1935 struct aac_dev *aac = shost_priv(shost);1936 1937 dev_err(&pdev->dev, "aacraid: PCI error detected %x\n", error);1938 1939 switch (error) {1940 case pci_channel_io_normal:1941 return PCI_ERS_RESULT_CAN_RECOVER;1942 case pci_channel_io_frozen:1943 aac->handle_pci_error = 1;1944 1945 scsi_host_block(shost);1946 aac_cancel_rescan_worker(aac);1947 scsi_host_complete_all_commands(shost, DID_NO_CONNECT);1948 aac_release_resources(aac);1949 1950 aac_adapter_ioremap(aac, 0);1951 1952 return PCI_ERS_RESULT_NEED_RESET;1953 case pci_channel_io_perm_failure:1954 aac->handle_pci_error = 1;1955 1956 scsi_host_complete_all_commands(shost, DID_NO_CONNECT);1957 return PCI_ERS_RESULT_DISCONNECT;1958 }1959 1960 return PCI_ERS_RESULT_NEED_RESET;1961}1962 1963static pci_ers_result_t aac_pci_mmio_enabled(struct pci_dev *pdev)1964{1965 dev_err(&pdev->dev, "aacraid: PCI error - mmio enabled\n");1966 return PCI_ERS_RESULT_NEED_RESET;1967}1968 1969static pci_ers_result_t aac_pci_slot_reset(struct pci_dev *pdev)1970{1971 dev_err(&pdev->dev, "aacraid: PCI error - slot reset\n");1972 pci_restore_state(pdev);1973 if (pci_enable_device(pdev)) {1974 dev_warn(&pdev->dev,1975 "aacraid: failed to enable slave\n");1976 goto fail_device;1977 }1978 1979 pci_set_master(pdev);1980 1981 if (pci_enable_device_mem(pdev)) {1982 dev_err(&pdev->dev, "pci_enable_device_mem failed\n");1983 goto fail_device;1984 }1985 1986 return PCI_ERS_RESULT_RECOVERED;1987 1988fail_device:1989 dev_err(&pdev->dev, "aacraid: PCI error - slot reset failed\n");1990 return PCI_ERS_RESULT_DISCONNECT;1991}1992 1993 1994static void aac_pci_resume(struct pci_dev *pdev)1995{1996 struct Scsi_Host *shost = pci_get_drvdata(pdev);1997 struct aac_dev *aac = (struct aac_dev *)shost_priv(shost);1998 1999 if (aac_adapter_ioremap(aac, aac->base_size)) {2000 2001 dev_err(&pdev->dev, "aacraid: ioremap failed\n");2002 /* remap failed, go back ... */2003 aac->comm_interface = AAC_COMM_PRODUCER;2004 if (aac_adapter_ioremap(aac, AAC_MIN_FOOTPRINT_SIZE)) {2005 dev_warn(&pdev->dev,2006 "aacraid: unable to map adapter.\n");2007 2008 return;2009 }2010 }2011 2012 msleep(10000);2013 2014 aac_acquire_resources(aac);2015 2016 /*2017 * reset this flag to unblock ioctl() as it was set2018 * at aac_send_shutdown() to block ioctls from upperlayer2019 */2020 aac->adapter_shutdown = 0;2021 aac->handle_pci_error = 0;2022 2023 scsi_host_unblock(shost, SDEV_RUNNING);2024 aac_scan_host(aac);2025 pci_save_state(pdev);2026 2027 dev_err(&pdev->dev, "aacraid: PCI error - resume\n");2028}2029 2030static struct pci_error_handlers aac_pci_err_handler = {2031 .error_detected = aac_pci_error_detected,2032 .mmio_enabled = aac_pci_mmio_enabled,2033 .slot_reset = aac_pci_slot_reset,2034 .resume = aac_pci_resume,2035};2036 2037static SIMPLE_DEV_PM_OPS(aac_pm_ops, aac_suspend, aac_resume);2038 2039static struct pci_driver aac_pci_driver = {2040 .name = AAC_DRIVERNAME,2041 .id_table = aac_pci_tbl,2042 .probe = aac_probe_one,2043 .remove = aac_remove_one,2044 .driver.pm = &aac_pm_ops,2045 .shutdown = aac_shutdown,2046 .err_handler = &aac_pci_err_handler,2047};2048 2049static int __init aac_init(void)2050{2051 int error;2052 2053 printk(KERN_INFO "Adaptec %s driver %s\n",2054 AAC_DRIVERNAME, aac_driver_version);2055 2056 error = pci_register_driver(&aac_pci_driver);2057 if (error < 0)2058 return error;2059 2060 aac_init_char();2061 2062 2063 return 0;2064}2065 2066static void __exit aac_exit(void)2067{2068 if (aac_cfg_major > -1)2069 unregister_chrdev(aac_cfg_major, "aac");2070 pci_unregister_driver(&aac_pci_driver);2071}2072 2073module_init(aac_init);2074module_exit(aac_exit);2075