Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 2074 insertions, 0 deletions

diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
new file mode 100644
index 000000000..68f4dbcff
--- /dev/null
+++ b/drivers/scsi/aacraid/linit.c
@@ -0,0 +1,2074 @@
+// 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/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 const 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_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);
+
+		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);