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-rw-r--r--drivers/scsi/aacraid/linit.c2077
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diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
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+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Adaptec AAC series RAID controller driver
+ * (c) Copyright 2001 Red Hat Inc.
+ *
+ * based on the old aacraid driver that is..
+ * Adaptec aacraid device driver for Linux.
+ *
+ * Copyright (c) 2000-2010 Adaptec, Inc.
+ * 2010-2015 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
+ * 2016-2017 Microsemi Corp. (aacraid@microsemi.com)
+ *
+ * Module Name:
+ * linit.c
+ *
+ * Abstract: Linux Driver entry module for Adaptec RAID Array Controller
+ */
+
+
+#include <linux/compat.h>
+#include <linux/blkdev.h>
+#include <linux/completion.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/pci.h>
+#include <linux/aer.h>
+#include <linux/slab.h>
+#include <linux/mutex.h>
+#include <linux/spinlock.h>
+#include <linux/syscalls.h>
+#include <linux/delay.h>
+#include <linux/kthread.h>
+#include <linux/msdos_partition.h>
+
+#include <scsi/scsi.h>
+#include <scsi/scsi_cmnd.h>
+#include <scsi/scsi_device.h>
+#include <scsi/scsi_host.h>
+#include <scsi/scsi_tcq.h>
+#include <scsi/scsicam.h>
+#include <scsi/scsi_eh.h>
+
+#include "aacraid.h"
+
+#define AAC_DRIVER_VERSION "1.2.1"
+#ifndef AAC_DRIVER_BRANCH
+#define AAC_DRIVER_BRANCH ""
+#endif
+#define AAC_DRIVERNAME "aacraid"
+
+#ifdef AAC_DRIVER_BUILD
+#define _str(x) #x
+#define str(x) _str(x)
+#define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH
+#else
+#define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH
+#endif
+
+MODULE_AUTHOR("Red Hat Inc and Adaptec");
+MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
+ "Adaptec Advanced Raid Products, "
+ "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver");
+MODULE_LICENSE("GPL");
+MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
+
+static DEFINE_MUTEX(aac_mutex);
+static LIST_HEAD(aac_devices);
+static int aac_cfg_major = AAC_CHARDEV_UNREGISTERED;
+char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
+
+/*
+ * Because of the way Linux names scsi devices, the order in this table has
+ * become important. Check for on-board Raid first, add-in cards second.
+ *
+ * Note: The last field is used to index into aac_drivers below.
+ */
+static const struct pci_device_id aac_pci_tbl[] = {
+ { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */
+ { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */
+ { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */
+ { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
+ { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */
+ { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */
+ { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
+ { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */
+ { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */
+ { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */
+ { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */
+ { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */
+ { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */
+ { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */
+ { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */
+ { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */
+
+ { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */
+ { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */
+ { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
+ { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
+ { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
+ { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */
+ { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */
+ { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */
+ { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */
+ { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */
+ { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */
+ { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */
+ { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */
+ { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */
+ { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
+ { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
+ { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */
+ { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */
+ { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */
+ { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */
+ { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
+ { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
+ { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
+ { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
+ { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
+ { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
+ { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
+ { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */
+ { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */
+ { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */
+ { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */
+ { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */
+ { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */
+ { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */
+ { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */
+ { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */
+ { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */
+ { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */
+
+ { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/
+ { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/
+ { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/
+ { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */
+ { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */
+
+ { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */
+ { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */
+ { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */
+ { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */
+ { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */
+ { 0x9005, 0x028b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 62 }, /* Adaptec PMC Series 6 (Tupelo) */
+ { 0x9005, 0x028c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 63 }, /* Adaptec PMC Series 7 (Denali) */
+ { 0x9005, 0x028d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 64 }, /* Adaptec PMC Series 8 */
+ { 0,}
+};
+MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
+
+/*
+ * dmb - For now we add the number of channels to this structure.
+ * In the future we should add a fib that reports the number of channels
+ * for the card. At that time we can remove the channels from here
+ */
+static struct aac_driver_ident aac_drivers[] = {
+ { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */
+ { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */
+ { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */
+ { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
+ { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */
+ { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */
+ { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
+ { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */
+ { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */
+ { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */
+ { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */
+ { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2120S (Crusader) */
+ { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan) */
+ { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */
+ { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */
+ { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */
+
+ { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */
+ { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */
+ { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
+ { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
+ { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
+ { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
+ { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 }, /* AAR-2820SA (Intruder) */
+ { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 }, /* AAR-2620SA (Intruder) */
+ { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 }, /* AAR-2420SA (Intruder) */
+ { aac_rkt_init, "aacraid", "ICP ", "ICP9024RO ", 2 }, /* ICP9024RO (Lancer) */
+ { aac_rkt_init, "aacraid", "ICP ", "ICP9014RO ", 1 }, /* ICP9014RO (Lancer) */
+ { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 }, /* ICP9047MA (Lancer) */
+ { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 }, /* ICP9087MA (Lancer) */
+ { aac_rkt_init, "aacraid", "ICP ", "ICP5445AU ", 1 }, /* ICP5445AU (Hurricane44) */
+ { aac_rx_init, "aacraid", "ICP ", "ICP9085LI ", 1 }, /* ICP9085LI (Marauder-X) */
+ { aac_rx_init, "aacraid", "ICP ", "ICP5085BR ", 1 }, /* ICP5085BR (Marauder-E) */
+ { aac_rkt_init, "aacraid", "ICP ", "ICP9067MA ", 1 }, /* ICP9067MA (Intruder-6) */
+ { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
+ { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
+ { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
+ { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
+ { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
+ { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
+ { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
+ { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
+ { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
+ { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 }, /* SATA 6Ch (Bearcat) */
+ { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 }, /* ASR-2240S (SabreExpress) */
+ { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005 ", 1 }, /* ASR-4005 */
+ { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */
+ { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */
+ { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */
+ { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000 ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */
+ { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 }, /* ASR-4800SAS (Marauder-X) */
+ { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 }, /* ASR-4805SAS (Marauder-E) */
+ { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-3800 ", 1 }, /* ASR-3800 (Hurricane44) */
+
+ { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
+ { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
+ { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
+ { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */
+ { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
+
+ { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */
+ { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */
+ { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Catch All */
+ { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Rocket Catch All */
+ { aac_nark_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec NEMER/ARK Catch All */
+ { aac_src_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 6 (Tupelo) */
+ { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 7 (Denali) */
+ { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 8 */
+};
+
+/**
+ * aac_queuecommand - queue a SCSI command
+ * @shost: Scsi host to queue command on
+ * @cmd: SCSI command to queue
+ *
+ * Queues a command for execution by the associated Host Adapter.
+ *
+ * TODO: unify with aac_scsi_cmd().
+ */
+
+static int aac_queuecommand(struct Scsi_Host *shost,
+ struct scsi_cmnd *cmd)
+{
+ aac_priv(cmd)->owner = AAC_OWNER_LOWLEVEL;
+
+ return aac_scsi_cmd(cmd) ? FAILED : 0;
+}
+
+/**
+ * aac_info - Returns the host adapter name
+ * @shost: Scsi host to report on
+ *
+ * Returns a static string describing the device in question
+ */
+
+static const char *aac_info(struct Scsi_Host *shost)
+{
+ struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
+ return aac_drivers[dev->cardtype].name;
+}
+
+/**
+ * aac_get_driver_ident
+ * @devtype: index into lookup table
+ *
+ * Returns a pointer to the entry in the driver lookup table.
+ */
+
+struct aac_driver_ident* aac_get_driver_ident(int devtype)
+{
+ return &aac_drivers[devtype];
+}
+
+/**
+ * aac_biosparm - return BIOS parameters for disk
+ * @sdev: The scsi device corresponding to the disk
+ * @bdev: the block device corresponding to the disk
+ * @capacity: the sector capacity of the disk
+ * @geom: geometry block to fill in
+ *
+ * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
+ * The default disk geometry is 64 heads, 32 sectors, and the appropriate
+ * number of cylinders so as not to exceed drive capacity. In order for
+ * disks equal to or larger than 1 GB to be addressable by the BIOS
+ * without exceeding the BIOS limitation of 1024 cylinders, Extended
+ * Translation should be enabled. With Extended Translation enabled,
+ * drives between 1 GB inclusive and 2 GB exclusive are given a disk
+ * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
+ * are given a disk geometry of 255 heads and 63 sectors. However, if
+ * the BIOS detects that the Extended Translation setting does not match
+ * the geometry in the partition table, then the translation inferred
+ * from the partition table will be used by the BIOS, and a warning may
+ * be displayed.
+ */
+
+static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
+ sector_t capacity, int *geom)
+{
+ struct diskparm *param = (struct diskparm *)geom;
+ unsigned char *buf;
+
+ dprintk((KERN_DEBUG "aac_biosparm.\n"));
+
+ /*
+ * Assuming extended translation is enabled - #REVISIT#
+ */
+ if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
+ if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
+ param->heads = 255;
+ param->sectors = 63;
+ } else {
+ param->heads = 128;
+ param->sectors = 32;
+ }
+ } else {
+ param->heads = 64;
+ param->sectors = 32;
+ }
+
+ param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
+
+ /*
+ * Read the first 1024 bytes from the disk device, if the boot
+ * sector partition table is valid, search for a partition table
+ * entry whose end_head matches one of the standard geometry
+ * translations ( 64/32, 128/32, 255/63 ).
+ */
+ buf = scsi_bios_ptable(bdev);
+ if (!buf)
+ return 0;
+ if (*(__le16 *)(buf + 0x40) == cpu_to_le16(MSDOS_LABEL_MAGIC)) {
+ struct msdos_partition *first = (struct msdos_partition *)buf;
+ struct msdos_partition *entry = first;
+ int saved_cylinders = param->cylinders;
+ int num;
+ unsigned char end_head, end_sec;
+
+ for(num = 0; num < 4; num++) {
+ end_head = entry->end_head;
+ end_sec = entry->end_sector & 0x3f;
+
+ if(end_head == 63) {
+ param->heads = 64;
+ param->sectors = 32;
+ break;
+ } else if(end_head == 127) {
+ param->heads = 128;
+ param->sectors = 32;
+ break;
+ } else if(end_head == 254) {
+ param->heads = 255;
+ param->sectors = 63;
+ break;
+ }
+ entry++;
+ }
+
+ if (num == 4) {
+ end_head = first->end_head;
+ end_sec = first->end_sector & 0x3f;
+ }
+
+ param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
+ if (num < 4 && end_sec == param->sectors) {
+ if (param->cylinders != saved_cylinders) {
+ dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
+ param->heads, param->sectors, num));
+ }
+ } else if (end_head > 0 || end_sec > 0) {
+ dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
+ end_head + 1, end_sec, num));
+ dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
+ param->heads, param->sectors));
+ }
+ }
+ kfree(buf);
+ return 0;
+}
+
+/**
+ * aac_slave_configure - compute queue depths
+ * @sdev: SCSI device we are considering
+ *
+ * Selects queue depths for each target device based on the host adapter's
+ * total capacity and the queue depth supported by the target device.
+ * A queue depth of one automatically disables tagged queueing.
+ */
+
+static int aac_slave_configure(struct scsi_device *sdev)
+{
+ struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
+ int chn, tid;
+ unsigned int depth = 0;
+ unsigned int set_timeout = 0;
+ int timeout = 0;
+ bool set_qd_dev_type = false;
+ u8 devtype = 0;
+
+ chn = aac_logical_to_phys(sdev_channel(sdev));
+ tid = sdev_id(sdev);
+ if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS && aac->sa_firmware) {
+ devtype = aac->hba_map[chn][tid].devtype;
+
+ if (devtype == AAC_DEVTYPE_NATIVE_RAW) {
+ depth = aac->hba_map[chn][tid].qd_limit;
+ set_timeout = 1;
+ goto common_config;
+ }
+ if (devtype == AAC_DEVTYPE_ARC_RAW) {
+ set_qd_dev_type = true;
+ set_timeout = 1;
+ goto common_config;
+ }
+ }
+
+ if (aac->jbod && (sdev->type == TYPE_DISK))
+ sdev->removable = 1;
+
+ if (sdev->type == TYPE_DISK
+ && sdev_channel(sdev) != CONTAINER_CHANNEL
+ && (!aac->jbod || sdev->inq_periph_qual)
+ && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
+
+ if (expose_physicals == 0)
+ return -ENXIO;
+
+ if (expose_physicals < 0)
+ sdev->no_uld_attach = 1;
+ }
+
+ if (sdev->tagged_supported
+ && sdev->type == TYPE_DISK
+ && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
+ && !sdev->no_uld_attach) {
+
+ struct scsi_device * dev;
+ struct Scsi_Host *host = sdev->host;
+ unsigned num_lsu = 0;
+ unsigned num_one = 0;
+ unsigned cid;
+
+ set_timeout = 1;
+
+ for (cid = 0; cid < aac->maximum_num_containers; ++cid)
+ if (aac->fsa_dev[cid].valid)
+ ++num_lsu;
+
+ __shost_for_each_device(dev, host) {
+ if (dev->tagged_supported
+ && dev->type == TYPE_DISK
+ && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
+ && !dev->no_uld_attach) {
+ if ((sdev_channel(dev) != CONTAINER_CHANNEL)
+ || !aac->fsa_dev[sdev_id(dev)].valid) {
+ ++num_lsu;
+ }
+ } else {
+ ++num_one;
+ }
+ }
+
+ if (num_lsu == 0)
+ ++num_lsu;
+
+ depth = (host->can_queue - num_one) / num_lsu;
+
+ if (sdev_channel(sdev) != NATIVE_CHANNEL)
+ goto common_config;
+
+ set_qd_dev_type = true;
+
+ }
+
+common_config:
+
+ /*
+ * Check if SATA drive
+ */
+ if (set_qd_dev_type) {
+ if (strncmp(sdev->vendor, "ATA", 3) == 0)
+ depth = 32;
+ else
+ depth = 64;
+ }
+
+ /*
+ * Firmware has an individual device recovery time typically
+ * of 35 seconds, give us a margin. Thor devices can take longer in
+ * error recovery, hence different value.
+ */
+ if (set_timeout) {
+ timeout = aac->sa_firmware ? AAC_SA_TIMEOUT : AAC_ARC_TIMEOUT;
+ blk_queue_rq_timeout(sdev->request_queue, timeout * HZ);
+ }
+
+ if (depth > 256)
+ depth = 256;
+ else if (depth < 1)
+ depth = 1;
+
+ scsi_change_queue_depth(sdev, depth);
+
+ sdev->tagged_supported = 1;
+
+ return 0;
+}
+
+/**
+ * aac_change_queue_depth - alter queue depths
+ * @sdev: SCSI device we are considering
+ * @depth: desired queue depth
+ *
+ * Alters queue depths for target device based on the host adapter's
+ * total capacity and the queue depth supported by the target device.
+ */
+
+static int aac_change_queue_depth(struct scsi_device *sdev, int depth)
+{
+ struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
+ int chn, tid, is_native_device = 0;
+
+ chn = aac_logical_to_phys(sdev_channel(sdev));
+ tid = sdev_id(sdev);
+ if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS &&
+ aac->hba_map[chn][tid].devtype == AAC_DEVTYPE_NATIVE_RAW)
+ is_native_device = 1;
+
+ if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
+ (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
+ struct scsi_device * dev;
+ struct Scsi_Host *host = sdev->host;
+ unsigned num = 0;
+
+ __shost_for_each_device(dev, host) {
+ if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
+ (sdev_channel(dev) == CONTAINER_CHANNEL))
+ ++num;
+ ++num;
+ }
+ if (num >= host->can_queue)
+ num = host->can_queue - 1;
+ if (depth > (host->can_queue - num))
+ depth = host->can_queue - num;
+ if (depth > 256)
+ depth = 256;
+ else if (depth < 2)
+ depth = 2;
+ return scsi_change_queue_depth(sdev, depth);
+ } else if (is_native_device) {
+ scsi_change_queue_depth(sdev, aac->hba_map[chn][tid].qd_limit);
+ } else {
+ scsi_change_queue_depth(sdev, 1);
+ }
+ return sdev->queue_depth;
+}
+
+static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct scsi_device *sdev = to_scsi_device(dev);
+ struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
+ if (sdev_channel(sdev) != CONTAINER_CHANNEL)
+ return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
+ ? "Hidden\n" :
+ ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
+ return snprintf(buf, PAGE_SIZE, "%s\n",
+ get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
+}
+
+static struct device_attribute aac_raid_level_attr = {
+ .attr = {
+ .name = "level",
+ .mode = S_IRUGO,
+ },
+ .show = aac_show_raid_level
+};
+
+static ssize_t aac_show_unique_id(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct scsi_device *sdev = to_scsi_device(dev);
+ struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
+ unsigned char sn[16];
+
+ memset(sn, 0, sizeof(sn));
+
+ if (sdev_channel(sdev) == CONTAINER_CHANNEL)
+ memcpy(sn, aac->fsa_dev[sdev_id(sdev)].identifier, sizeof(sn));
+
+ return snprintf(buf, 16 * 2 + 2,
+ "%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X\n",
+ sn[0], sn[1], sn[2], sn[3],
+ sn[4], sn[5], sn[6], sn[7],
+ sn[8], sn[9], sn[10], sn[11],
+ sn[12], sn[13], sn[14], sn[15]);
+}
+
+static struct device_attribute aac_unique_id_attr = {
+ .attr = {
+ .name = "unique_id",
+ .mode = 0444,
+ },
+ .show = aac_show_unique_id
+};
+
+
+
+static struct attribute *aac_dev_attrs[] = {
+ &aac_raid_level_attr.attr,
+ &aac_unique_id_attr.attr,
+ NULL,
+};
+
+ATTRIBUTE_GROUPS(aac_dev);
+
+static int aac_ioctl(struct scsi_device *sdev, unsigned int cmd,
+ void __user *arg)
+{
+ int retval;
+ struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
+ if (!capable(CAP_SYS_RAWIO))
+ return -EPERM;
+ retval = aac_adapter_check_health(dev);
+ if (retval)
+ return -EBUSY;
+ return aac_do_ioctl(dev, cmd, arg);
+}
+
+struct fib_count_data {
+ int mlcnt;
+ int llcnt;
+ int ehcnt;
+ int fwcnt;
+ int krlcnt;
+};
+
+static bool fib_count_iter(struct scsi_cmnd *scmnd, void *data)
+{
+ struct fib_count_data *fib_count = data;
+
+ switch (aac_priv(scmnd)->owner) {
+ case AAC_OWNER_FIRMWARE:
+ fib_count->fwcnt++;
+ break;
+ case AAC_OWNER_ERROR_HANDLER:
+ fib_count->ehcnt++;
+ break;
+ case AAC_OWNER_LOWLEVEL:
+ fib_count->llcnt++;
+ break;
+ case AAC_OWNER_MIDLEVEL:
+ fib_count->mlcnt++;
+ break;
+ default:
+ fib_count->krlcnt++;
+ break;
+ }
+ return true;
+}
+
+/* Called during SCSI EH, so we don't need to block requests */
+static int get_num_of_incomplete_fibs(struct aac_dev *aac)
+{
+ struct Scsi_Host *shost = aac->scsi_host_ptr;
+ struct device *ctrl_dev;
+ struct fib_count_data fcnt = { };
+
+ scsi_host_busy_iter(shost, fib_count_iter, &fcnt);
+
+ ctrl_dev = &aac->pdev->dev;
+
+ dev_info(ctrl_dev, "outstanding cmd: midlevel-%d\n", fcnt.mlcnt);
+ dev_info(ctrl_dev, "outstanding cmd: lowlevel-%d\n", fcnt.llcnt);
+ dev_info(ctrl_dev, "outstanding cmd: error handler-%d\n", fcnt.ehcnt);
+ dev_info(ctrl_dev, "outstanding cmd: firmware-%d\n", fcnt.fwcnt);
+ dev_info(ctrl_dev, "outstanding cmd: kernel-%d\n", fcnt.krlcnt);
+
+ return fcnt.mlcnt + fcnt.llcnt + fcnt.ehcnt + fcnt.fwcnt;
+}
+
+static int aac_eh_abort(struct scsi_cmnd* cmd)
+{
+ struct aac_cmd_priv *cmd_priv = aac_priv(cmd);
+ struct scsi_device * dev = cmd->device;
+ struct Scsi_Host * host = dev->host;
+ struct aac_dev * aac = (struct aac_dev *)host->hostdata;
+ int count, found;
+ u32 bus, cid;
+ int ret = FAILED;
+
+ if (aac_adapter_check_health(aac))
+ return ret;
+
+ bus = aac_logical_to_phys(scmd_channel(cmd));
+ cid = scmd_id(cmd);
+ if (aac->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) {
+ struct fib *fib;
+ struct aac_hba_tm_req *tmf;
+ int status;
+ u64 address;
+
+ pr_err("%s: Host adapter abort request (%d,%d,%d,%d)\n",
+ AAC_DRIVERNAME,
+ host->host_no, sdev_channel(dev), sdev_id(dev), (int)dev->lun);
+
+ found = 0;
+ for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
+ fib = &aac->fibs[count];
+ if (*(u8 *)fib->hw_fib_va != 0 &&
+ (fib->flags & FIB_CONTEXT_FLAG_NATIVE_HBA) &&
+ (fib->callback_data == cmd)) {
+ found = 1;
+ break;
+ }
+ }
+ if (!found)
+ return ret;
+
+ /* start a HBA_TMF_ABORT_TASK TMF request */
+ fib = aac_fib_alloc(aac);
+ if (!fib)
+ return ret;
+
+ tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
+ memset(tmf, 0, sizeof(*tmf));
+ tmf->tmf = HBA_TMF_ABORT_TASK;
+ tmf->it_nexus = aac->hba_map[bus][cid].rmw_nexus;
+ tmf->lun[1] = cmd->device->lun;
+
+ address = (u64)fib->hw_error_pa;
+ tmf->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
+ tmf->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
+ tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
+
+ fib->hbacmd_size = sizeof(*tmf);
+ cmd_priv->sent_command = 0;
+
+ status = aac_hba_send(HBA_IU_TYPE_SCSI_TM_REQ, fib,
+ (fib_callback) aac_hba_callback,
+ (void *) cmd);
+ if (status != -EINPROGRESS) {
+ aac_fib_complete(fib);
+ aac_fib_free(fib);
+ return ret;
+ }
+ /* Wait up to 15 secs for completion */
+ for (count = 0; count < 15; ++count) {
+ if (cmd_priv->sent_command) {
+ ret = SUCCESS;
+ break;
+ }
+ msleep(1000);
+ }
+
+ if (ret != SUCCESS)
+ pr_err("%s: Host adapter abort request timed out\n",
+ AAC_DRIVERNAME);
+ } else {
+ pr_err(
+ "%s: Host adapter abort request.\n"
+ "%s: Outstanding commands on (%d,%d,%d,%d):\n",
+ AAC_DRIVERNAME, AAC_DRIVERNAME,
+ host->host_no, sdev_channel(dev), sdev_id(dev),
+ (int)dev->lun);
+ switch (cmd->cmnd[0]) {
+ case SERVICE_ACTION_IN_16:
+ if (!(aac->raw_io_interface) ||
+ !(aac->raw_io_64) ||
+ ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
+ break;
+ fallthrough;
+ case INQUIRY:
+ case READ_CAPACITY:
+ /*
+ * Mark associated FIB to not complete,
+ * eh handler does this
+ */
+ for (count = 0;
+ count < (host->can_queue + AAC_NUM_MGT_FIB);
+ ++count) {
+ struct fib *fib = &aac->fibs[count];
+
+ if (fib->hw_fib_va->header.XferState &&
+ (fib->flags & FIB_CONTEXT_FLAG) &&
+ (fib->callback_data == cmd)) {
+ fib->flags |=
+ FIB_CONTEXT_FLAG_TIMED_OUT;
+ cmd_priv->owner =
+ AAC_OWNER_ERROR_HANDLER;
+ ret = SUCCESS;
+ }
+ }
+ break;
+ case TEST_UNIT_READY:
+ /*
+ * Mark associated FIB to not complete,
+ * eh handler does this
+ */
+ for (count = 0;
+ count < (host->can_queue + AAC_NUM_MGT_FIB);
+ ++count) {
+ struct scsi_cmnd *command;
+ struct fib *fib = &aac->fibs[count];
+
+ command = fib->callback_data;
+
+ if ((fib->hw_fib_va->header.XferState &
+ cpu_to_le32
+ (Async | NoResponseExpected)) &&
+ (fib->flags & FIB_CONTEXT_FLAG) &&
+ ((command)) &&
+ (command->device == cmd->device)) {
+ fib->flags |=
+ FIB_CONTEXT_FLAG_TIMED_OUT;
+ aac_priv(command)->owner =
+ AAC_OWNER_ERROR_HANDLER;
+ if (command == cmd)
+ ret = SUCCESS;
+ }
+ }
+ break;
+ }
+ }
+ return ret;
+}
+
+static u8 aac_eh_tmf_lun_reset_fib(struct aac_hba_map_info *info,
+ struct fib *fib, u64 tmf_lun)
+{
+ struct aac_hba_tm_req *tmf;
+ u64 address;
+
+ /* start a HBA_TMF_LUN_RESET TMF request */
+ tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
+ memset(tmf, 0, sizeof(*tmf));
+ tmf->tmf = HBA_TMF_LUN_RESET;
+ tmf->it_nexus = info->rmw_nexus;
+ int_to_scsilun(tmf_lun, (struct scsi_lun *)tmf->lun);
+
+ address = (u64)fib->hw_error_pa;
+ tmf->error_ptr_hi = cpu_to_le32
+ ((u32)(address >> 32));
+ tmf->error_ptr_lo = cpu_to_le32
+ ((u32)(address & 0xffffffff));
+ tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
+ fib->hbacmd_size = sizeof(*tmf);
+
+ return HBA_IU_TYPE_SCSI_TM_REQ;
+}
+
+static u8 aac_eh_tmf_hard_reset_fib(struct aac_hba_map_info *info,
+ struct fib *fib)
+{
+ struct aac_hba_reset_req *rst;
+ u64 address;
+
+ /* already tried, start a hard reset now */
+ rst = (struct aac_hba_reset_req *)fib->hw_fib_va;
+ memset(rst, 0, sizeof(*rst));
+ rst->it_nexus = info->rmw_nexus;
+
+ address = (u64)fib->hw_error_pa;
+ rst->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
+ rst->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
+ rst->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
+ fib->hbacmd_size = sizeof(*rst);
+
+ return HBA_IU_TYPE_SATA_REQ;
+}
+
+static void aac_tmf_callback(void *context, struct fib *fibptr)
+{
+ struct aac_hba_resp *err =
+ &((struct aac_native_hba *)fibptr->hw_fib_va)->resp.err;
+ struct aac_hba_map_info *info = context;
+ int res;
+
+ switch (err->service_response) {
+ case HBA_RESP_SVCRES_TMF_REJECTED:
+ res = -1;
+ break;
+ case HBA_RESP_SVCRES_TMF_LUN_INVALID:
+ res = 0;
+ break;
+ case HBA_RESP_SVCRES_TMF_COMPLETE:
+ case HBA_RESP_SVCRES_TMF_SUCCEEDED:
+ res = 0;
+ break;
+ default:
+ res = -2;
+ break;
+ }
+ aac_fib_complete(fibptr);
+
+ info->reset_state = res;
+}
+
+/*
+ * aac_eh_dev_reset - Device reset command handling
+ * @scsi_cmd: SCSI command block causing the reset
+ *
+ */
+static int aac_eh_dev_reset(struct scsi_cmnd *cmd)
+{
+ struct scsi_device * dev = cmd->device;
+ struct Scsi_Host * host = dev->host;
+ struct aac_dev * aac = (struct aac_dev *)host->hostdata;
+ struct aac_hba_map_info *info;
+ int count;
+ u32 bus, cid;
+ struct fib *fib;
+ int ret = FAILED;
+ int status;
+ u8 command;
+
+ bus = aac_logical_to_phys(scmd_channel(cmd));
+ cid = scmd_id(cmd);
+
+ if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS)
+ return FAILED;
+
+ info = &aac->hba_map[bus][cid];
+
+ if (!(info->devtype == AAC_DEVTYPE_NATIVE_RAW &&
+ !(info->reset_state > 0)))
+ return FAILED;
+
+ pr_err("%s: Host device reset request. SCSI hang ?\n",
+ AAC_DRIVERNAME);
+
+ fib = aac_fib_alloc(aac);
+ if (!fib)
+ return ret;
+
+ /* start a HBA_TMF_LUN_RESET TMF request */
+ command = aac_eh_tmf_lun_reset_fib(info, fib, dev->lun);
+
+ info->reset_state = 1;
+
+ status = aac_hba_send(command, fib,
+ (fib_callback) aac_tmf_callback,
+ (void *) info);
+ if (status != -EINPROGRESS) {
+ info->reset_state = 0;
+ aac_fib_complete(fib);
+ aac_fib_free(fib);
+ return ret;
+ }
+ /* Wait up to 15 seconds for completion */
+ for (count = 0; count < 15; ++count) {
+ if (info->reset_state == 0) {
+ ret = info->reset_state == 0 ? SUCCESS : FAILED;
+ break;
+ }
+ msleep(1000);
+ }
+
+ return ret;
+}
+
+/*
+ * aac_eh_target_reset - Target reset command handling
+ * @scsi_cmd: SCSI command block causing the reset
+ *
+ */
+static int aac_eh_target_reset(struct scsi_cmnd *cmd)
+{
+ struct scsi_device * dev = cmd->device;
+ struct Scsi_Host * host = dev->host;
+ struct aac_dev * aac = (struct aac_dev *)host->hostdata;
+ struct aac_hba_map_info *info;
+ int count;
+ u32 bus, cid;
+ int ret = FAILED;
+ struct fib *fib;
+ int status;
+ u8 command;
+
+ bus = aac_logical_to_phys(scmd_channel(cmd));
+ cid = scmd_id(cmd);
+
+ if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS)
+ return FAILED;
+
+ info = &aac->hba_map[bus][cid];
+
+ if (!(info->devtype == AAC_DEVTYPE_NATIVE_RAW &&
+ !(info->reset_state > 0)))
+ return FAILED;
+
+ pr_err("%s: Host target reset request. SCSI hang ?\n",
+ AAC_DRIVERNAME);
+
+ fib = aac_fib_alloc(aac);
+ if (!fib)
+ return ret;
+
+
+ /* already tried, start a hard reset now */
+ command = aac_eh_tmf_hard_reset_fib(info, fib);
+
+ info->reset_state = 2;
+
+ status = aac_hba_send(command, fib,
+ (fib_callback) aac_tmf_callback,
+ (void *) info);
+
+ if (status != -EINPROGRESS) {
+ info->reset_state = 0;
+ aac_fib_complete(fib);
+ aac_fib_free(fib);
+ return ret;
+ }
+
+ /* Wait up to 15 seconds for completion */
+ for (count = 0; count < 15; ++count) {
+ if (info->reset_state <= 0) {
+ ret = info->reset_state == 0 ? SUCCESS : FAILED;
+ break;
+ }
+ msleep(1000);
+ }
+
+ return ret;
+}
+
+/*
+ * aac_eh_bus_reset - Bus reset command handling
+ * @scsi_cmd: SCSI command block causing the reset
+ *
+ */
+static int aac_eh_bus_reset(struct scsi_cmnd* cmd)
+{
+ struct scsi_device * dev = cmd->device;
+ struct Scsi_Host * host = dev->host;
+ struct aac_dev * aac = (struct aac_dev *)host->hostdata;
+ int count;
+ u32 cmd_bus;
+ int status = 0;
+
+
+ cmd_bus = aac_logical_to_phys(scmd_channel(cmd));
+ /* Mark the assoc. FIB to not complete, eh handler does this */
+ for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
+ struct fib *fib = &aac->fibs[count];
+
+ if (fib->hw_fib_va->header.XferState &&
+ (fib->flags & FIB_CONTEXT_FLAG) &&
+ (fib->flags & FIB_CONTEXT_FLAG_SCSI_CMD)) {
+ struct aac_hba_map_info *info;
+ u32 bus, cid;
+
+ cmd = (struct scsi_cmnd *)fib->callback_data;
+ bus = aac_logical_to_phys(scmd_channel(cmd));
+ if (bus != cmd_bus)
+ continue;
+ cid = scmd_id(cmd);
+ info = &aac->hba_map[bus][cid];
+ if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS ||
+ info->devtype != AAC_DEVTYPE_NATIVE_RAW) {
+ fib->flags |= FIB_CONTEXT_FLAG_EH_RESET;
+ aac_priv(cmd)->owner = AAC_OWNER_ERROR_HANDLER;
+ }
+ }
+ }
+
+ pr_err("%s: Host bus reset request. SCSI hang ?\n", AAC_DRIVERNAME);
+
+ /*
+ * Check the health of the controller
+ */
+ status = aac_adapter_check_health(aac);
+ if (status)
+ dev_err(&aac->pdev->dev, "Adapter health - %d\n", status);
+
+ count = get_num_of_incomplete_fibs(aac);
+ return (count == 0) ? SUCCESS : FAILED;
+}
+
+/*
+ * aac_eh_host_reset - Host reset command handling
+ * @scsi_cmd: SCSI command block causing the reset
+ *
+ */
+static int aac_eh_host_reset(struct scsi_cmnd *cmd)
+{
+ struct scsi_device * dev = cmd->device;
+ struct Scsi_Host * host = dev->host;
+ struct aac_dev * aac = (struct aac_dev *)host->hostdata;
+ int ret = FAILED;
+ __le32 supported_options2 = 0;
+ bool is_mu_reset;
+ bool is_ignore_reset;
+ bool is_doorbell_reset;
+
+ /*
+ * Check if reset is supported by the firmware
+ */
+ supported_options2 = aac->supplement_adapter_info.supported_options2;
+ is_mu_reset = supported_options2 & AAC_OPTION_MU_RESET;
+ is_doorbell_reset = supported_options2 & AAC_OPTION_DOORBELL_RESET;
+ is_ignore_reset = supported_options2 & AAC_OPTION_IGNORE_RESET;
+ /*
+ * This adapter needs a blind reset, only do so for
+ * Adapters that support a register, instead of a commanded,
+ * reset.
+ */
+ if ((is_mu_reset || is_doorbell_reset)
+ && aac_check_reset
+ && (aac_check_reset != -1 || !is_ignore_reset)) {
+ /* Bypass wait for command quiesce */
+ if (aac_reset_adapter(aac, 2, IOP_HWSOFT_RESET) == 0)
+ ret = SUCCESS;
+ }
+ /*
+ * Reset EH state
+ */
+ if (ret == SUCCESS) {
+ int bus, cid;
+ struct aac_hba_map_info *info;
+
+ for (bus = 0; bus < AAC_MAX_BUSES; bus++) {
+ for (cid = 0; cid < AAC_MAX_TARGETS; cid++) {
+ info = &aac->hba_map[bus][cid];
+ if (info->devtype == AAC_DEVTYPE_NATIVE_RAW)
+ info->reset_state = 0;
+ }
+ }
+ }
+ return ret;
+}
+
+/**
+ * aac_cfg_open - open a configuration file
+ * @inode: inode being opened
+ * @file: file handle attached
+ *
+ * Called when the configuration device is opened. Does the needed
+ * set up on the handle and then returns
+ *
+ * Bugs: This needs extending to check a given adapter is present
+ * so we can support hot plugging, and to ref count adapters.
+ */
+
+static int aac_cfg_open(struct inode *inode, struct file *file)
+{
+ struct aac_dev *aac;
+ unsigned minor_number = iminor(inode);
+ int err = -ENODEV;
+
+ mutex_lock(&aac_mutex); /* BKL pushdown: nothing else protects this list */
+ list_for_each_entry(aac, &aac_devices, entry) {
+ if (aac->id == minor_number) {
+ file->private_data = aac;
+ err = 0;
+ break;
+ }
+ }
+ mutex_unlock(&aac_mutex);
+
+ return err;
+}
+
+/**
+ * aac_cfg_ioctl - AAC configuration request
+ * @file: file handle
+ * @cmd: ioctl command code
+ * @arg: argument
+ *
+ * Handles a configuration ioctl. Currently this involves wrapping it
+ * up and feeding it into the nasty windowsalike glue layer.
+ *
+ * Bugs: Needs locking against parallel ioctls lower down
+ * Bugs: Needs to handle hot plugging
+ */
+
+static long aac_cfg_ioctl(struct file *file,
+ unsigned int cmd, unsigned long arg)
+{
+ struct aac_dev *aac = (struct aac_dev *)file->private_data;
+
+ if (!capable(CAP_SYS_RAWIO))
+ return -EPERM;
+
+ return aac_do_ioctl(aac, cmd, (void __user *)arg);
+}
+
+static ssize_t aac_show_model(struct device *device,
+ struct device_attribute *attr, char *buf)
+{
+ struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
+ int len;
+
+ if (dev->supplement_adapter_info.adapter_type_text[0]) {
+ char *cp = dev->supplement_adapter_info.adapter_type_text;
+ while (*cp && *cp != ' ')
+ ++cp;
+ while (*cp == ' ')
+ ++cp;
+ len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
+ } else
+ len = snprintf(buf, PAGE_SIZE, "%s\n",
+ aac_drivers[dev->cardtype].model);
+ return len;
+}
+
+static ssize_t aac_show_vendor(struct device *device,
+ struct device_attribute *attr, char *buf)
+{
+ struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
+ struct aac_supplement_adapter_info *sup_adap_info;
+ int len;
+
+ sup_adap_info = &dev->supplement_adapter_info;
+ if (sup_adap_info->adapter_type_text[0]) {
+ char *cp = sup_adap_info->adapter_type_text;
+ while (*cp && *cp != ' ')
+ ++cp;
+ len = snprintf(buf, PAGE_SIZE, "%.*s\n",
+ (int)(cp - (char *)sup_adap_info->adapter_type_text),
+ sup_adap_info->adapter_type_text);
+ } else
+ len = snprintf(buf, PAGE_SIZE, "%s\n",
+ aac_drivers[dev->cardtype].vname);
+ return len;
+}
+
+static ssize_t aac_show_flags(struct device *cdev,
+ struct device_attribute *attr, char *buf)
+{
+ int len = 0;
+ struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
+
+ if (nblank(dprintk(x)))
+ len = snprintf(buf, PAGE_SIZE, "dprintk\n");
+#ifdef AAC_DETAILED_STATUS_INFO
+ len += scnprintf(buf + len, PAGE_SIZE - len,
+ "AAC_DETAILED_STATUS_INFO\n");
+#endif
+ if (dev->raw_io_interface && dev->raw_io_64)
+ len += scnprintf(buf + len, PAGE_SIZE - len,
+ "SAI_READ_CAPACITY_16\n");
+ if (dev->jbod)
+ len += scnprintf(buf + len, PAGE_SIZE - len,
+ "SUPPORTED_JBOD\n");
+ if (dev->supplement_adapter_info.supported_options2 &
+ AAC_OPTION_POWER_MANAGEMENT)
+ len += scnprintf(buf + len, PAGE_SIZE - len,
+ "SUPPORTED_POWER_MANAGEMENT\n");
+ if (dev->msi)
+ len += scnprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
+ return len;
+}
+
+static ssize_t aac_show_kernel_version(struct device *device,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
+ int len, tmp;
+
+ tmp = le32_to_cpu(dev->adapter_info.kernelrev);
+ len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
+ tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
+ le32_to_cpu(dev->adapter_info.kernelbuild));
+ return len;
+}
+
+static ssize_t aac_show_monitor_version(struct device *device,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
+ int len, tmp;
+
+ tmp = le32_to_cpu(dev->adapter_info.monitorrev);
+ len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
+ tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
+ le32_to_cpu(dev->adapter_info.monitorbuild));
+ return len;
+}
+
+static ssize_t aac_show_bios_version(struct device *device,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
+ int len, tmp;
+
+ tmp = le32_to_cpu(dev->adapter_info.biosrev);
+ len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
+ tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
+ le32_to_cpu(dev->adapter_info.biosbuild));
+ return len;
+}
+
+static ssize_t aac_show_driver_version(struct device *device,
+ struct device_attribute *attr,
+ char *buf)
+{
+ return snprintf(buf, PAGE_SIZE, "%s\n", aac_driver_version);
+}
+
+static ssize_t aac_show_serial_number(struct device *device,
+ struct device_attribute *attr, char *buf)
+{
+ struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
+ int len = 0;
+
+ if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
+ len = snprintf(buf, 16, "%06X\n",
+ le32_to_cpu(dev->adapter_info.serial[0]));
+ if (len &&
+ !memcmp(&dev->supplement_adapter_info.mfg_pcba_serial_no[
+ sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no)-len],
+ buf, len-1))
+ len = snprintf(buf, 16, "%.*s\n",
+ (int)sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no),
+ dev->supplement_adapter_info.mfg_pcba_serial_no);
+
+ return min(len, 16);
+}
+
+static ssize_t aac_show_max_channel(struct device *device,
+ struct device_attribute *attr, char *buf)
+{
+ return snprintf(buf, PAGE_SIZE, "%d\n",
+ class_to_shost(device)->max_channel);
+}
+
+static ssize_t aac_show_max_id(struct device *device,
+ struct device_attribute *attr, char *buf)
+{
+ return snprintf(buf, PAGE_SIZE, "%d\n",
+ class_to_shost(device)->max_id);
+}
+
+static ssize_t aac_store_reset_adapter(struct device *device,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ int retval = -EACCES;
+
+ if (!capable(CAP_SYS_ADMIN))
+ return retval;
+
+ retval = aac_reset_adapter(shost_priv(class_to_shost(device)),
+ buf[0] == '!', IOP_HWSOFT_RESET);
+ if (retval >= 0)
+ retval = count;
+
+ return retval;
+}
+
+static ssize_t aac_show_reset_adapter(struct device *device,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
+ int len, tmp;
+
+ tmp = aac_adapter_check_health(dev);
+ if ((tmp == 0) && dev->in_reset)
+ tmp = -EBUSY;
+ len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
+ return len;
+}
+
+static struct device_attribute aac_model = {
+ .attr = {
+ .name = "model",
+ .mode = S_IRUGO,
+ },
+ .show = aac_show_model,
+};
+static struct device_attribute aac_vendor = {
+ .attr = {
+ .name = "vendor",
+ .mode = S_IRUGO,
+ },
+ .show = aac_show_vendor,
+};
+static struct device_attribute aac_flags = {
+ .attr = {
+ .name = "flags",
+ .mode = S_IRUGO,
+ },
+ .show = aac_show_flags,
+};
+static struct device_attribute aac_kernel_version = {
+ .attr = {
+ .name = "hba_kernel_version",
+ .mode = S_IRUGO,
+ },
+ .show = aac_show_kernel_version,
+};
+static struct device_attribute aac_monitor_version = {
+ .attr = {
+ .name = "hba_monitor_version",
+ .mode = S_IRUGO,
+ },
+ .show = aac_show_monitor_version,
+};
+static struct device_attribute aac_bios_version = {
+ .attr = {
+ .name = "hba_bios_version",
+ .mode = S_IRUGO,
+ },
+ .show = aac_show_bios_version,
+};
+static struct device_attribute aac_lld_version = {
+ .attr = {
+ .name = "driver_version",
+ .mode = 0444,
+ },
+ .show = aac_show_driver_version,
+};
+static struct device_attribute aac_serial_number = {
+ .attr = {
+ .name = "serial_number",
+ .mode = S_IRUGO,
+ },
+ .show = aac_show_serial_number,
+};
+static struct device_attribute aac_max_channel = {
+ .attr = {
+ .name = "max_channel",
+ .mode = S_IRUGO,
+ },
+ .show = aac_show_max_channel,
+};
+static struct device_attribute aac_max_id = {
+ .attr = {
+ .name = "max_id",
+ .mode = S_IRUGO,
+ },
+ .show = aac_show_max_id,
+};
+static struct device_attribute aac_reset = {
+ .attr = {
+ .name = "reset_host",
+ .mode = S_IWUSR|S_IRUGO,
+ },
+ .store = aac_store_reset_adapter,
+ .show = aac_show_reset_adapter,
+};
+
+static struct attribute *aac_host_attrs[] = {
+ &aac_model.attr,
+ &aac_vendor.attr,
+ &aac_flags.attr,
+ &aac_kernel_version.attr,
+ &aac_monitor_version.attr,
+ &aac_bios_version.attr,
+ &aac_lld_version.attr,
+ &aac_serial_number.attr,
+ &aac_max_channel.attr,
+ &aac_max_id.attr,
+ &aac_reset.attr,
+ NULL
+};
+
+ATTRIBUTE_GROUPS(aac_host);
+
+ssize_t aac_get_serial_number(struct device *device, char *buf)
+{
+ return aac_show_serial_number(device, &aac_serial_number, buf);
+}
+
+static const struct file_operations aac_cfg_fops = {
+ .owner = THIS_MODULE,
+ .unlocked_ioctl = aac_cfg_ioctl,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = aac_cfg_ioctl,
+#endif
+ .open = aac_cfg_open,
+ .llseek = noop_llseek,
+};
+
+static struct scsi_host_template aac_driver_template = {
+ .module = THIS_MODULE,
+ .name = "AAC",
+ .proc_name = AAC_DRIVERNAME,
+ .info = aac_info,
+ .ioctl = aac_ioctl,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = aac_ioctl,
+#endif
+ .queuecommand = aac_queuecommand,
+ .bios_param = aac_biosparm,
+ .shost_groups = aac_host_groups,
+ .slave_configure = aac_slave_configure,
+ .change_queue_depth = aac_change_queue_depth,
+ .sdev_groups = aac_dev_groups,
+ .eh_abort_handler = aac_eh_abort,
+ .eh_device_reset_handler = aac_eh_dev_reset,
+ .eh_target_reset_handler = aac_eh_target_reset,
+ .eh_bus_reset_handler = aac_eh_bus_reset,
+ .eh_host_reset_handler = aac_eh_host_reset,
+ .can_queue = AAC_NUM_IO_FIB,
+ .this_id = MAXIMUM_NUM_CONTAINERS,
+ .sg_tablesize = 16,
+ .max_sectors = 128,
+#if (AAC_NUM_IO_FIB > 256)
+ .cmd_per_lun = 256,
+#else
+ .cmd_per_lun = AAC_NUM_IO_FIB,
+#endif
+ .emulated = 1,
+ .no_write_same = 1,
+ .cmd_size = sizeof(struct aac_cmd_priv),
+};
+
+static void __aac_shutdown(struct aac_dev * aac)
+{
+ int i;
+
+ mutex_lock(&aac->ioctl_mutex);
+ aac->adapter_shutdown = 1;
+ mutex_unlock(&aac->ioctl_mutex);
+
+ if (aac->aif_thread) {
+ int i;
+ /* Clear out events first */
+ for (i = 0; i < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++) {
+ struct fib *fib = &aac->fibs[i];
+ if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) &&
+ (fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected)))
+ complete(&fib->event_wait);
+ }
+ kthread_stop(aac->thread);
+ aac->thread = NULL;
+ }
+
+ aac_send_shutdown(aac);
+
+ aac_adapter_disable_int(aac);
+
+ if (aac_is_src(aac)) {
+ if (aac->max_msix > 1) {
+ for (i = 0; i < aac->max_msix; i++) {
+ free_irq(pci_irq_vector(aac->pdev, i),
+ &(aac->aac_msix[i]));
+ }
+ } else {
+ free_irq(aac->pdev->irq,
+ &(aac->aac_msix[0]));
+ }
+ } else {
+ free_irq(aac->pdev->irq, aac);
+ }
+ if (aac->msi)
+ pci_disable_msi(aac->pdev);
+ else if (aac->max_msix > 1)
+ pci_disable_msix(aac->pdev);
+}
+static void aac_init_char(void)
+{
+ aac_cfg_major = register_chrdev(0, "aac", &aac_cfg_fops);
+ if (aac_cfg_major < 0) {
+ pr_err("aacraid: unable to register \"aac\" device.\n");
+ }
+}
+
+void aac_reinit_aif(struct aac_dev *aac, unsigned int index)
+{
+ /*
+ * Firmware may send a AIF messages very early and the Driver may have
+ * ignored as it is not fully ready to process the messages. Send
+ * AIF to firmware so that if there are any unprocessed events they
+ * can be processed now.
+ */
+ if (aac_drivers[index].quirks & AAC_QUIRK_SRC)
+ aac_intr_normal(aac, 0, 2, 0, NULL);
+
+}
+
+static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
+{
+ unsigned index = id->driver_data;
+ struct Scsi_Host *shost;
+ struct aac_dev *aac;
+ struct list_head *insert = &aac_devices;
+ int error;
+ int unique_id = 0;
+ u64 dmamask;
+ int mask_bits = 0;
+ extern int aac_sync_mode;
+
+ /*
+ * Only series 7 needs freset.
+ */
+ if (pdev->device == PMC_DEVICE_S7)
+ pdev->needs_freset = 1;
+
+ list_for_each_entry(aac, &aac_devices, entry) {
+ if (aac->id > unique_id)
+ break;
+ insert = &aac->entry;
+ unique_id++;
+ }
+
+ pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
+ PCIE_LINK_STATE_CLKPM);
+
+ error = pci_enable_device(pdev);
+ if (error)
+ goto out;
+
+ if (!(aac_drivers[index].quirks & AAC_QUIRK_SRC)) {
+ error = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
+ if (error) {
+ dev_err(&pdev->dev, "PCI 32 BIT dma mask set failed");
+ goto out_disable_pdev;
+ }
+ }
+
+ /*
+ * If the quirk31 bit is set, the adapter needs adapter
+ * to driver communication memory to be allocated below 2gig
+ */
+ if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) {
+ dmamask = DMA_BIT_MASK(31);
+ mask_bits = 31;
+ } else {
+ dmamask = DMA_BIT_MASK(32);
+ mask_bits = 32;
+ }
+
+ error = dma_set_coherent_mask(&pdev->dev, dmamask);
+ if (error) {
+ dev_err(&pdev->dev, "PCI %d B consistent dma mask set failed\n"
+ , mask_bits);
+ goto out_disable_pdev;
+ }
+
+ pci_set_master(pdev);
+
+ shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
+ if (!shost) {
+ error = -ENOMEM;
+ goto out_disable_pdev;
+ }
+
+ shost->irq = pdev->irq;
+ shost->unique_id = unique_id;
+ shost->max_cmd_len = 16;
+
+ if (aac_cfg_major == AAC_CHARDEV_NEEDS_REINIT)
+ aac_init_char();
+
+ aac = (struct aac_dev *)shost->hostdata;
+ aac->base_start = pci_resource_start(pdev, 0);
+ aac->scsi_host_ptr = shost;
+ aac->pdev = pdev;
+ aac->name = aac_driver_template.name;
+ aac->id = shost->unique_id;
+ aac->cardtype = index;
+ INIT_LIST_HEAD(&aac->entry);
+
+ if (aac_reset_devices || reset_devices)
+ aac->init_reset = true;
+
+ aac->fibs = kcalloc(shost->can_queue + AAC_NUM_MGT_FIB,
+ sizeof(struct fib),
+ GFP_KERNEL);
+ if (!aac->fibs) {
+ error = -ENOMEM;
+ goto out_free_host;
+ }
+
+ spin_lock_init(&aac->fib_lock);
+
+ mutex_init(&aac->ioctl_mutex);
+ mutex_init(&aac->scan_mutex);
+
+ INIT_DELAYED_WORK(&aac->safw_rescan_work, aac_safw_rescan_worker);
+ INIT_DELAYED_WORK(&aac->src_reinit_aif_worker,
+ aac_src_reinit_aif_worker);
+ /*
+ * Map in the registers from the adapter.
+ */
+ aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
+ if ((*aac_drivers[index].init)(aac)) {
+ error = -ENODEV;
+ goto out_unmap;
+ }
+
+ if (aac->sync_mode) {
+ if (aac_sync_mode)
+ printk(KERN_INFO "%s%d: Sync. mode enforced "
+ "by driver parameter. This will cause "
+ "a significant performance decrease!\n",
+ aac->name,
+ aac->id);
+ else
+ printk(KERN_INFO "%s%d: Async. mode not supported "
+ "by current driver, sync. mode enforced."
+ "\nPlease update driver to get full performance.\n",
+ aac->name,
+ aac->id);
+ }
+
+ /*
+ * Start any kernel threads needed
+ */
+ aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
+ if (IS_ERR(aac->thread)) {
+ printk(KERN_ERR "aacraid: Unable to create command thread.\n");
+ error = PTR_ERR(aac->thread);
+ aac->thread = NULL;
+ goto out_deinit;
+ }
+
+ aac->maximum_num_channels = aac_drivers[index].channels;
+ error = aac_get_adapter_info(aac);
+ if (error < 0)
+ goto out_deinit;
+
+ /*
+ * Lets override negotiations and drop the maximum SG limit to 34
+ */
+ if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
+ (shost->sg_tablesize > 34)) {
+ shost->sg_tablesize = 34;
+ shost->max_sectors = (shost->sg_tablesize * 8) + 112;
+ }
+
+ if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
+ (shost->sg_tablesize > 17)) {
+ shost->sg_tablesize = 17;
+ shost->max_sectors = (shost->sg_tablesize * 8) + 112;
+ }
+
+ if (aac->adapter_info.options & AAC_OPT_NEW_COMM)
+ shost->max_segment_size = shost->max_sectors << 9;
+ else
+ shost->max_segment_size = 65536;
+
+ /*
+ * Firmware printf works only with older firmware.
+ */
+ if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
+ aac->printf_enabled = 1;
+ else
+ aac->printf_enabled = 0;
+
+ /*
+ * max channel will be the physical channels plus 1 virtual channel
+ * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
+ * physical channels are address by their actual physical number+1
+ */
+ if (aac->nondasd_support || expose_physicals || aac->jbod)
+ shost->max_channel = aac->maximum_num_channels;
+ else
+ shost->max_channel = 0;
+
+ aac_get_config_status(aac, 0);
+ aac_get_containers(aac);
+ list_add(&aac->entry, insert);
+
+ shost->max_id = aac->maximum_num_containers;
+ if (shost->max_id < aac->maximum_num_physicals)
+ shost->max_id = aac->maximum_num_physicals;
+ if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
+ shost->max_id = MAXIMUM_NUM_CONTAINERS;
+ else
+ shost->this_id = shost->max_id;
+
+ if (!aac->sa_firmware && aac_drivers[index].quirks & AAC_QUIRK_SRC)
+ aac_intr_normal(aac, 0, 2, 0, NULL);
+
+ /*
+ * dmb - we may need to move the setting of these parms somewhere else once
+ * we get a fib that can report the actual numbers
+ */
+ shost->max_lun = AAC_MAX_LUN;
+
+ pci_set_drvdata(pdev, shost);
+
+ error = scsi_add_host(shost, &pdev->dev);
+ if (error)
+ goto out_deinit;
+
+ aac_scan_host(aac);
+
+ pci_enable_pcie_error_reporting(pdev);
+ pci_save_state(pdev);
+
+ return 0;
+
+ out_deinit:
+ __aac_shutdown(aac);
+ out_unmap:
+ aac_fib_map_free(aac);
+ if (aac->comm_addr)
+ dma_free_coherent(&aac->pdev->dev, aac->comm_size,
+ aac->comm_addr, aac->comm_phys);
+ kfree(aac->queues);
+ aac_adapter_ioremap(aac, 0);
+ kfree(aac->fibs);
+ kfree(aac->fsa_dev);
+ out_free_host:
+ scsi_host_put(shost);
+ out_disable_pdev:
+ pci_disable_device(pdev);
+ out:
+ return error;
+}
+
+static void aac_release_resources(struct aac_dev *aac)
+{
+ aac_adapter_disable_int(aac);
+ aac_free_irq(aac);
+}
+
+static int aac_acquire_resources(struct aac_dev *dev)
+{
+ unsigned long status;
+ /*
+ * First clear out all interrupts. Then enable the one's that we
+ * can handle.
+ */
+ while (!((status = src_readl(dev, MUnit.OMR)) & KERNEL_UP_AND_RUNNING)
+ || status == 0xffffffff)
+ msleep(20);
+
+ aac_adapter_disable_int(dev);
+ aac_adapter_enable_int(dev);
+
+
+ if (aac_is_src(dev))
+ aac_define_int_mode(dev);
+
+ if (dev->msi_enabled)
+ aac_src_access_devreg(dev, AAC_ENABLE_MSIX);
+
+ if (aac_acquire_irq(dev))
+ goto error_iounmap;
+
+ aac_adapter_enable_int(dev);
+
+ /*max msix may change after EEH
+ * Re-assign vectors to fibs
+ */
+ aac_fib_vector_assign(dev);
+
+ if (!dev->sync_mode) {
+ /* After EEH recovery or suspend resume, max_msix count
+ * may change, therefore updating in init as well.
+ */
+ dev->init->r7.no_of_msix_vectors = cpu_to_le32(dev->max_msix);
+ aac_adapter_start(dev);
+ }
+ return 0;
+
+error_iounmap:
+ return -1;
+
+}
+
+static int __maybe_unused aac_suspend(struct device *dev)
+{
+ struct Scsi_Host *shost = dev_get_drvdata(dev);
+ struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
+
+ scsi_host_block(shost);
+ aac_cancel_rescan_worker(aac);
+ aac_send_shutdown(aac);
+
+ aac_release_resources(aac);
+
+ return 0;
+}
+
+static int __maybe_unused aac_resume(struct device *dev)
+{
+ struct Scsi_Host *shost = dev_get_drvdata(dev);
+ struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
+
+ if (aac_acquire_resources(aac))
+ goto fail_device;
+ /*
+ * reset this flag to unblock ioctl() as it was set at
+ * aac_send_shutdown() to block ioctls from upperlayer
+ */
+ aac->adapter_shutdown = 0;
+ scsi_host_unblock(shost, SDEV_RUNNING);
+
+ return 0;
+
+fail_device:
+ printk(KERN_INFO "%s%d: resume failed.\n", aac->name, aac->id);
+ scsi_host_put(shost);
+ return -ENODEV;
+}
+
+static void aac_shutdown(struct pci_dev *dev)
+{
+ struct Scsi_Host *shost = pci_get_drvdata(dev);
+
+ scsi_host_block(shost);
+ __aac_shutdown((struct aac_dev *)shost->hostdata);
+}
+
+static void aac_remove_one(struct pci_dev *pdev)
+{
+ struct Scsi_Host *shost = pci_get_drvdata(pdev);
+ struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
+
+ aac_cancel_rescan_worker(aac);
+ scsi_remove_host(shost);
+
+ __aac_shutdown(aac);
+ aac_fib_map_free(aac);
+ dma_free_coherent(&aac->pdev->dev, aac->comm_size, aac->comm_addr,
+ aac->comm_phys);
+ kfree(aac->queues);
+
+ aac_adapter_ioremap(aac, 0);
+
+ kfree(aac->fibs);
+ kfree(aac->fsa_dev);
+
+ list_del(&aac->entry);
+ scsi_host_put(shost);
+ pci_disable_device(pdev);
+ if (list_empty(&aac_devices)) {
+ unregister_chrdev(aac_cfg_major, "aac");
+ aac_cfg_major = AAC_CHARDEV_NEEDS_REINIT;
+ }
+}
+
+static pci_ers_result_t aac_pci_error_detected(struct pci_dev *pdev,
+ pci_channel_state_t error)
+{
+ struct Scsi_Host *shost = pci_get_drvdata(pdev);
+ struct aac_dev *aac = shost_priv(shost);
+
+ dev_err(&pdev->dev, "aacraid: PCI error detected %x\n", error);
+
+ switch (error) {
+ case pci_channel_io_normal:
+ return PCI_ERS_RESULT_CAN_RECOVER;
+ case pci_channel_io_frozen:
+ aac->handle_pci_error = 1;
+
+ scsi_host_block(shost);
+ aac_cancel_rescan_worker(aac);
+ scsi_host_complete_all_commands(shost, DID_NO_CONNECT);
+ aac_release_resources(aac);
+
+ pci_disable_pcie_error_reporting(pdev);
+ aac_adapter_ioremap(aac, 0);
+
+ return PCI_ERS_RESULT_NEED_RESET;
+ case pci_channel_io_perm_failure:
+ aac->handle_pci_error = 1;
+
+ scsi_host_complete_all_commands(shost, DID_NO_CONNECT);
+ return PCI_ERS_RESULT_DISCONNECT;
+ }
+
+ return PCI_ERS_RESULT_NEED_RESET;
+}
+
+static pci_ers_result_t aac_pci_mmio_enabled(struct pci_dev *pdev)
+{
+ dev_err(&pdev->dev, "aacraid: PCI error - mmio enabled\n");
+ return PCI_ERS_RESULT_NEED_RESET;
+}
+
+static pci_ers_result_t aac_pci_slot_reset(struct pci_dev *pdev)
+{
+ dev_err(&pdev->dev, "aacraid: PCI error - slot reset\n");
+ pci_restore_state(pdev);
+ if (pci_enable_device(pdev)) {
+ dev_warn(&pdev->dev,
+ "aacraid: failed to enable slave\n");
+ goto fail_device;
+ }
+
+ pci_set_master(pdev);
+
+ if (pci_enable_device_mem(pdev)) {
+ dev_err(&pdev->dev, "pci_enable_device_mem failed\n");
+ goto fail_device;
+ }
+
+ return PCI_ERS_RESULT_RECOVERED;
+
+fail_device:
+ dev_err(&pdev->dev, "aacraid: PCI error - slot reset failed\n");
+ return PCI_ERS_RESULT_DISCONNECT;
+}
+
+
+static void aac_pci_resume(struct pci_dev *pdev)
+{
+ struct Scsi_Host *shost = pci_get_drvdata(pdev);
+ struct aac_dev *aac = (struct aac_dev *)shost_priv(shost);
+
+ if (aac_adapter_ioremap(aac, aac->base_size)) {
+
+ dev_err(&pdev->dev, "aacraid: ioremap failed\n");
+ /* remap failed, go back ... */
+ aac->comm_interface = AAC_COMM_PRODUCER;
+ if (aac_adapter_ioremap(aac, AAC_MIN_FOOTPRINT_SIZE)) {
+ dev_warn(&pdev->dev,
+ "aacraid: unable to map adapter.\n");
+
+ return;
+ }
+ }
+
+ msleep(10000);
+
+ aac_acquire_resources(aac);
+
+ /*
+ * reset this flag to unblock ioctl() as it was set
+ * at aac_send_shutdown() to block ioctls from upperlayer
+ */
+ aac->adapter_shutdown = 0;
+ aac->handle_pci_error = 0;
+
+ scsi_host_unblock(shost, SDEV_RUNNING);
+ aac_scan_host(aac);
+ pci_save_state(pdev);
+
+ dev_err(&pdev->dev, "aacraid: PCI error - resume\n");
+}
+
+static struct pci_error_handlers aac_pci_err_handler = {
+ .error_detected = aac_pci_error_detected,
+ .mmio_enabled = aac_pci_mmio_enabled,
+ .slot_reset = aac_pci_slot_reset,
+ .resume = aac_pci_resume,
+};
+
+static SIMPLE_DEV_PM_OPS(aac_pm_ops, aac_suspend, aac_resume);
+
+static struct pci_driver aac_pci_driver = {
+ .name = AAC_DRIVERNAME,
+ .id_table = aac_pci_tbl,
+ .probe = aac_probe_one,
+ .remove = aac_remove_one,
+ .driver.pm = &aac_pm_ops,
+ .shutdown = aac_shutdown,
+ .err_handler = &aac_pci_err_handler,
+};
+
+static int __init aac_init(void)
+{
+ int error;
+
+ printk(KERN_INFO "Adaptec %s driver %s\n",
+ AAC_DRIVERNAME, aac_driver_version);
+
+ error = pci_register_driver(&aac_pci_driver);
+ if (error < 0)
+ return error;
+
+ aac_init_char();
+
+
+ return 0;
+}
+
+static void __exit aac_exit(void)
+{
+ if (aac_cfg_major > -1)
+ unregister_chrdev(aac_cfg_major, "aac");
+ pci_unregister_driver(&aac_pci_driver);
+}
+
+module_init(aac_init);
+module_exit(aac_exit);