Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (147 commits)
  [SCSI] arcmsr: fix write to device check
  [SCSI] lpfc: lower stack use in lpfc_fc_frame_check
  [SCSI] eliminate an unnecessary local variable from scsi_remove_target()
  [SCSI] libiscsi: use bh locking instead of irq with session lock
  [SCSI] libiscsi: do not take host lock in queuecommand
  [SCSI] be2iscsi: fix null ptr when accessing task hdr
  [SCSI] be2iscsi: fix gfp use in alloc_pdu
  [SCSI] libiscsi: add more informative failure message during iscsi scsi eh
  [SCSI] gdth: Add missing call to gdth_ioctl_free
  [SCSI] bfa: remove unused defintions and misc cleanups
  [SCSI] bfa: remove inactive functions
  [SCSI] bfa: replace bfa_assert with WARN_ON
  [SCSI] qla2xxx: Use sg_next to fetch next sg element while walking sg list.
  [SCSI] qla2xxx: Fix to avoid recursive lock failure during BSG timeout.
  [SCSI] qla2xxx: Remove code to not reset ISP82xx on failure.
  [SCSI] qla2xxx: Display mailbox register 4 during 8012 AEN for ISP82XX parts.
  [SCSI] qla2xxx: Don't perform a BIG_HAMMER if Get-ID (0x20) mailbox command fails on CNAs.
  [SCSI] qla2xxx: Remove redundant module parameter permission bits
  [SCSI] qla2xxx: Add sysfs node for displaying board temperature.
  [SCSI] qla2xxx: Code cleanup to remove unwanted comments and code.
  ...

13 files changed, 570 insertions, 299 deletions

diff --git a/drivers/scsi/mpt2sas/mpi/mpi2.h b/drivers/scsi/mpt2sas/mpi/mpi2.h
index 4b1c2f0350f..8be75e65f76 100644
--- a/drivers/scsi/mpt2sas/mpi/mpi2.h
+++ b/drivers/scsi/mpt2sas/mpi/mpi2.h
@@ -8,7 +8,7 @@
  *                  scatter/gather formats.
  *  Creation Date:  June 21, 2006
  *
- *  mpi2.h Version:  02.00.15
+ *  mpi2.h Version:  02.00.16
  *
  *  Version History
  *  ---------------
@@ -61,6 +61,8 @@
  *                      Added define for MPI2_FUNCTION_PWR_MGMT_CONTROL.
  *                      Added defines for product-specific range of message
  *                      function codes, 0xF0 to 0xFF.
+ *  05-12-10  02.00.16  Bumped MPI2_HEADER_VERSION_UNIT.
+ *                      Added alternative defines for the SGE Direction bit.
  *  --------------------------------------------------------------------------
  */
 
@@ -86,7 +88,7 @@
 #define MPI2_VERSION_02_00                  (0x0200)
 
 /* versioning for this MPI header set */
-#define MPI2_HEADER_VERSION_UNIT            (0x0F)
+#define MPI2_HEADER_VERSION_UNIT            (0x10)
 #define MPI2_HEADER_VERSION_DEV             (0x00)
 #define MPI2_HEADER_VERSION_UNIT_MASK       (0xFF00)
 #define MPI2_HEADER_VERSION_UNIT_SHIFT      (8)
@@ -929,6 +931,9 @@ typedef struct _MPI2_MPI_SGE_UNION
 #define MPI2_SGE_FLAGS_IOC_TO_HOST              (0x00)
 #define MPI2_SGE_FLAGS_HOST_TO_IOC              (0x04)
 
+#define MPI2_SGE_FLAGS_DEST                     (MPI2_SGE_FLAGS_IOC_TO_HOST)
+#define MPI2_SGE_FLAGS_SOURCE                   (MPI2_SGE_FLAGS_HOST_TO_IOC)
+
 /* Address Size */
 
 #define MPI2_SGE_FLAGS_32_BIT_ADDRESSING        (0x00)
diff --git a/drivers/scsi/mpt2sas/mpi/mpi2_cnfg.h b/drivers/scsi/mpt2sas/mpi/mpi2_cnfg.h
index e3728d736d8..d76a6584760 100644
--- a/drivers/scsi/mpt2sas/mpi/mpi2_cnfg.h
+++ b/drivers/scsi/mpt2sas/mpi/mpi2_cnfg.h
@@ -6,7 +6,7 @@
  *          Title:  MPI Configuration messages and pages
  *  Creation Date:  November 10, 2006
  *
- *    mpi2_cnfg.h Version:  02.00.14
+ *    mpi2_cnfg.h Version:  02.00.15
  *
  *  Version History
  *  ---------------
@@ -121,6 +121,10 @@
  *                      Added MPI2_CONFIG_PAGE_SASIOUNIT_6 and related defines.
  *                      Added MPI2_CONFIG_PAGE_SASIOUNIT_7 and related defines.
  *                      Added MPI2_CONFIG_PAGE_SASIOUNIT_8 and related defines.
+ *  05-12-10  02.00.15  Added MPI2_RAIDVOL0_STATUS_FLAG_VOL_NOT_CONSISTENT
+ *                      define.
+ *                      Added MPI2_PHYSDISK0_INCOMPATIBLE_MEDIA_TYPE define.
+ *                      Added MPI2_SAS_NEG_LINK_RATE_UNSUPPORTED_PHY define.
  *  --------------------------------------------------------------------------
  */
 
@@ -333,7 +337,7 @@ typedef struct _MPI2_CONFIG_REQUEST
 #define MPI2_CONFIG_ACTION_PAGE_READ_NVRAM          (0x06)
 #define MPI2_CONFIG_ACTION_PAGE_GET_CHANGEABLE      (0x07)
 
-/* values for SGLFlags field are in the SGL section of mpi2.h */
+/* use MPI2_SGLFLAGS_ defines from mpi2.h for the SGLFlags field */
 
 
 /* Config Reply Message */
@@ -379,6 +383,8 @@ typedef struct _MPI2_CONFIG_REPLY
 #define MPI2_MFGPAGE_DEVID_SAS2116_1                (0x0064)
 #define MPI2_MFGPAGE_DEVID_SAS2116_2                (0x0065)
 
+#define MPI2_MFGPAGE_DEVID_SSS6200                  (0x007E)
+
 #define MPI2_MFGPAGE_DEVID_SAS2208_1                (0x0080)
 #define MPI2_MFGPAGE_DEVID_SAS2208_2                (0x0081)
 #define MPI2_MFGPAGE_DEVID_SAS2208_3                (0x0082)
@@ -390,6 +396,8 @@ typedef struct _MPI2_CONFIG_REPLY
 #define MPI2_MFGPAGE_DEVID_SAS2308_3                (0x006E)
 
 
+
+
 /* Manufacturing Page 0 */
 
 typedef struct _MPI2_CONFIG_PAGE_MAN_0
@@ -729,6 +737,7 @@ typedef struct _MPI2_CONFIG_PAGE_IO_UNIT_1
 /* IO Unit Page 1 Flags defines */
 #define MPI2_IOUNITPAGE1_ENABLE_HOST_BASED_DISCOVERY    (0x00000800)
 #define MPI2_IOUNITPAGE1_MASK_SATA_WRITE_CACHE          (0x00000600)
+#define MPI2_IOUNITPAGE1_SATA_WRITE_CACHE_SHIFT         (9)
 #define MPI2_IOUNITPAGE1_ENABLE_SATA_WRITE_CACHE        (0x00000000)
 #define MPI2_IOUNITPAGE1_DISABLE_SATA_WRITE_CACHE       (0x00000200)
 #define MPI2_IOUNITPAGE1_UNCHANGED_SATA_WRITE_CACHE     (0x00000400)
@@ -1347,6 +1356,7 @@ typedef struct _MPI2_CONFIG_PAGE_RAID_VOL_0
 #define MPI2_RAIDVOL0_STATUS_FLAG_CAPACITY_EXPANSION        (0x00040000)
 #define MPI2_RAIDVOL0_STATUS_FLAG_BACKGROUND_INIT           (0x00020000)
 #define MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS        (0x00010000)
+#define MPI2_RAIDVOL0_STATUS_FLAG_VOL_NOT_CONSISTENT        (0x00000080)
 #define MPI2_RAIDVOL0_STATUS_FLAG_OCE_ALLOWED               (0x00000040)
 #define MPI2_RAIDVOL0_STATUS_FLAG_BGI_COMPLETE              (0x00000020)
 #define MPI2_RAIDVOL0_STATUS_FLAG_1E_OFFSET_MIRROR          (0x00000000)
@@ -1469,11 +1479,15 @@ typedef struct _MPI2_CONFIG_PAGE_RD_PDISK_0
 #define MPI2_PHYSDISK0_INCOMPATIBLE_MAX_LBA             (0x03)
 #define MPI2_PHYSDISK0_INCOMPATIBLE_SATA_EXTENDED_CMD   (0x04)
 #define MPI2_PHYSDISK0_INCOMPATIBLE_REMOVEABLE_MEDIA    (0x05)
+#define MPI2_PHYSDISK0_INCOMPATIBLE_MEDIA_TYPE          (0x06)
 #define MPI2_PHYSDISK0_INCOMPATIBLE_UNKNOWN             (0xFF)
 
 /* PhysDiskAttributes defines */
+#define MPI2_PHYSDISK0_ATTRIB_MEDIA_MASK                (0x0C)
 #define MPI2_PHYSDISK0_ATTRIB_SOLID_STATE_DRIVE         (0x08)
 #define MPI2_PHYSDISK0_ATTRIB_HARD_DISK_DRIVE           (0x04)
+
+#define MPI2_PHYSDISK0_ATTRIB_PROTOCOL_MASK             (0x03)
 #define MPI2_PHYSDISK0_ATTRIB_SAS_PROTOCOL              (0x02)
 #define MPI2_PHYSDISK0_ATTRIB_SATA_PROTOCOL             (0x01)
 
@@ -1545,6 +1559,7 @@ typedef struct _MPI2_CONFIG_PAGE_RD_PDISK_1
 #define MPI2_SAS_NEG_LINK_RATE_SATA_OOB_COMPLETE        (0x03)
 #define MPI2_SAS_NEG_LINK_RATE_PORT_SELECTOR            (0x04)
 #define MPI2_SAS_NEG_LINK_RATE_SMP_RESET_IN_PROGRESS    (0x05)
+#define MPI2_SAS_NEG_LINK_RATE_UNSUPPORTED_PHY          (0x06)
 #define MPI2_SAS_NEG_LINK_RATE_1_5                      (0x08)
 #define MPI2_SAS_NEG_LINK_RATE_3_0                      (0x09)
 #define MPI2_SAS_NEG_LINK_RATE_6_0                      (0x0A)
@@ -1571,6 +1586,7 @@ typedef struct _MPI2_CONFIG_PAGE_RD_PDISK_1
 #define MPI2_SAS_PHYINFO_PHY_VACANT                     (0x80000000)
 
 #define MPI2_SAS_PHYINFO_PHY_POWER_CONDITION_MASK       (0x18000000)
+#define MPI2_SAS_PHYINFO_SHIFT_PHY_POWER_CONDITION      (27)
 #define MPI2_SAS_PHYINFO_PHY_POWER_ACTIVE               (0x00000000)
 #define MPI2_SAS_PHYINFO_PHY_POWER_PARTIAL              (0x08000000)
 #define MPI2_SAS_PHYINFO_PHY_POWER_SLUMBER              (0x10000000)
diff --git a/drivers/scsi/mpt2sas/mpi/mpi2_history.txt b/drivers/scsi/mpt2sas/mpi/mpi2_history.txt
index bd6c92b5fae..b1e88f26b74 100644
--- a/drivers/scsi/mpt2sas/mpi/mpi2_history.txt
+++ b/drivers/scsi/mpt2sas/mpi/mpi2_history.txt
@@ -291,6 +291,7 @@ mpi2_raid.h
  *                      can be sized by the build environment.
  *  07-30-09  02.00.04  Added proper define for the Use Default Settings bit of
  *                      VolumeCreationFlags and marked the old one as obsolete.
+ *  05-12-10  02.00.05  Added MPI2_RAID_VOL_FLAGS_OP_MDC define.
  *  --------------------------------------------------------------------------
 
 mpi2_sas.h
@@ -301,6 +302,7 @@ mpi2_sas.h
  *                      Request.
  *  10-28-09  02.00.03  Changed the type of SGL in MPI2_SATA_PASSTHROUGH_REQUEST
  *                      to MPI2_SGE_IO_UNION since it supports chained SGLs.
+ *  05-12-10  02.00.04  Modified some comments.
  *  --------------------------------------------------------------------------
 
 mpi2_targ.h
@@ -324,6 +326,7 @@ mpi2_tool.h
  *                      and reply messages.
  *                      Added MPI2_DIAG_BUF_TYPE_EXTENDED.
  *                      Incremented MPI2_DIAG_BUF_TYPE_COUNT.
+ *  05-12-10  02.00.05  Added Diagnostic Data Upload tool.
  *  --------------------------------------------------------------------------
 
 mpi2_type.h
diff --git a/drivers/scsi/mpt2sas/mpi/mpi2_init.h b/drivers/scsi/mpt2sas/mpi/mpi2_init.h
index c4c99dfcb82..20e6b886934 100644
--- a/drivers/scsi/mpt2sas/mpi/mpi2_init.h
+++ b/drivers/scsi/mpt2sas/mpi/mpi2_init.h
@@ -6,7 +6,7 @@
  *          Title:  MPI SCSI initiator mode messages and structures
  *  Creation Date:  June 23, 2006
  *
- *    mpi2_init.h Version:  02.00.09
+ *    mpi2_init.h Version:  02.00.10
  *
  *  Version History
  *  ---------------
@@ -32,6 +32,7 @@
  *                      Added ResponseInfo field to MPI2_SCSI_TASK_MANAGE_REPLY.
  *                      Added MPI2_SCSITASKMGMT_RSP_TM_OVERLAPPED_TAG define.
  *  02-10-10  02.00.09  Removed unused structure that had "#if 0" around it.
+ *  05-12-10  02.00.10  Added optional vendor-unique region to SCSI IO Request.
  *  --------------------------------------------------------------------------
  */
 
@@ -98,7 +99,13 @@ typedef struct _MPI2_SCSI_IO_REQUEST
     U8                      LUN[8];                         /* 0x34 */
     U32                     Control;                        /* 0x3C */
     MPI2_SCSI_IO_CDB_UNION  CDB;                            /* 0x40 */
+
+#ifdef MPI2_SCSI_IO_VENDOR_UNIQUE_REGION /* typically this is left undefined */
+	MPI2_SCSI_IO_VENDOR_UNIQUE VendorRegion;
+#endif
+
     MPI2_SGE_IO_UNION       SGL;                            /* 0x60 */
+
 } MPI2_SCSI_IO_REQUEST, MPI2_POINTER PTR_MPI2_SCSI_IO_REQUEST,
   Mpi2SCSIIORequest_t, MPI2_POINTER pMpi2SCSIIORequest_t;
 
diff --git a/drivers/scsi/mpt2sas/mpi/mpi2_ioc.h b/drivers/scsi/mpt2sas/mpi/mpi2_ioc.h
index 495bedc4d1f..761cbdb8a03 100644
--- a/drivers/scsi/mpt2sas/mpi/mpi2_ioc.h
+++ b/drivers/scsi/mpt2sas/mpi/mpi2_ioc.h
@@ -6,7 +6,7 @@
  *          Title:  MPI IOC, Port, Event, FW Download, and FW Upload messages
  *  Creation Date:  October 11, 2006
  *
- *  mpi2_ioc.h Version:  02.00.14
+ *  mpi2_ioc.h Version:  02.00.15
  *
  *  Version History
  *  ---------------
@@ -101,6 +101,8 @@
  *  02-10-10  02.00.14  Added SAS Quiesce Event structure and defines.
  *                      Added PowerManagementControl Request structures and
  *                      defines.
+ *  05-12-10  02.00.15  Marked Task Set Full Event as obsolete.
+ *                      Added MPI2_EVENT_SAS_TOPO_LR_UNSUPPORTED_PHY define.
  *  --------------------------------------------------------------------------
  */
 
@@ -456,7 +458,7 @@ typedef struct _MPI2_EVENT_NOTIFICATION_REPLY
 #define MPI2_EVENT_STATE_CHANGE                     (0x0002)
 #define MPI2_EVENT_HARD_RESET_RECEIVED              (0x0005)
 #define MPI2_EVENT_EVENT_CHANGE                     (0x000A)
-#define MPI2_EVENT_TASK_SET_FULL                    (0x000E)
+#define MPI2_EVENT_TASK_SET_FULL                    (0x000E) /* obsolete */
 #define MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE         (0x000F)
 #define MPI2_EVENT_IR_OPERATION_STATUS              (0x0014)
 #define MPI2_EVENT_SAS_DISCOVERY                    (0x0016)
@@ -517,6 +519,7 @@ typedef struct _MPI2_EVENT_DATA_HARD_RESET_RECEIVED
   MPI2_POINTER pMpi2EventDataHardResetReceived_t;
 
 /* Task Set Full Event data */
+/*   this event is obsolete */
 
 typedef struct _MPI2_EVENT_DATA_TASK_SET_FULL
 {
@@ -831,6 +834,7 @@ typedef struct _MPI2_EVENT_DATA_SAS_TOPOLOGY_CHANGE_LIST
 #define MPI2_EVENT_SAS_TOPO_LR_SATA_OOB_COMPLETE            (0x03)
 #define MPI2_EVENT_SAS_TOPO_LR_PORT_SELECTOR                (0x04)
 #define MPI2_EVENT_SAS_TOPO_LR_SMP_RESET_IN_PROGRESS        (0x05)
+#define MPI2_EVENT_SAS_TOPO_LR_UNSUPPORTED_PHY              (0x06)
 #define MPI2_EVENT_SAS_TOPO_LR_RATE_1_5                     (0x08)
 #define MPI2_EVENT_SAS_TOPO_LR_RATE_3_0                     (0x09)
 #define MPI2_EVENT_SAS_TOPO_LR_RATE_6_0                     (0x0A)
diff --git a/drivers/scsi/mpt2sas/mpi/mpi2_raid.h b/drivers/scsi/mpt2sas/mpi/mpi2_raid.h
index 5160c33d2a0..bd61a7b60a2 100644
--- a/drivers/scsi/mpt2sas/mpi/mpi2_raid.h
+++ b/drivers/scsi/mpt2sas/mpi/mpi2_raid.h
@@ -1,12 +1,12 @@
 /*
- *  Copyright (c) 2000-2008 LSI Corporation.
+ *  Copyright (c) 2000-2010 LSI Corporation.
  *
  *
  *           Name:  mpi2_raid.h
  *          Title:  MPI Integrated RAID messages and structures
  *  Creation Date:  April 26, 2007
  *
- *    mpi2_raid.h Version:  02.00.04
+ *    mpi2_raid.h Version:  02.00.05
  *
  *  Version History
  *  ---------------
@@ -22,6 +22,7 @@
  *                      can be sized by the build environment.
  *  07-30-09  02.00.04  Added proper define for the Use Default Settings bit of
  *                      VolumeCreationFlags and marked the old one as obsolete.
+ *  05-12-10  02.00.05  Added MPI2_RAID_VOL_FLAGS_OP_MDC define.
  *  --------------------------------------------------------------------------
  */
 
@@ -260,6 +261,7 @@ typedef struct _MPI2_RAID_VOL_INDICATOR
 #define MPI2_RAID_VOL_FLAGS_OP_ONLINE_CAP_EXPANSION (0x00000001)
 #define MPI2_RAID_VOL_FLAGS_OP_CONSISTENCY_CHECK    (0x00000002)
 #define MPI2_RAID_VOL_FLAGS_OP_RESYNC               (0x00000003)
+#define MPI2_RAID_VOL_FLAGS_OP_MDC                  (0x00000004)
 
 
 /* RAID Action Reply ActionData union */
diff --git a/drivers/scsi/mpt2sas/mpi/mpi2_sas.h b/drivers/scsi/mpt2sas/mpi/mpi2_sas.h
index 2d8aeed5139..608f6d6e6fc 100644
--- a/drivers/scsi/mpt2sas/mpi/mpi2_sas.h
+++ b/drivers/scsi/mpt2sas/mpi/mpi2_sas.h
@@ -1,12 +1,12 @@
 /*
- *  Copyright (c) 2000-2007 LSI Corporation.
+ *  Copyright (c) 2000-2010 LSI Corporation.
  *
  *
  *           Name:  mpi2_sas.h
  *          Title:  MPI Serial Attached SCSI structures and definitions
  *  Creation Date:  February 9, 2007
  *
- *  mpi2.h Version:  02.00.03
+ *  mpi2_sas.h Version:  02.00.04
  *
  *  Version History
  *  ---------------
@@ -20,6 +20,7 @@
  *                      Request.
  *  10-28-09  02.00.03  Changed the type of SGL in MPI2_SATA_PASSTHROUGH_REQUEST
  *                      to MPI2_SGE_IO_UNION since it supports chained SGLs.
+ *  05-12-10  02.00.04  Modified some comments.
  *  --------------------------------------------------------------------------
  */
 
@@ -110,7 +111,7 @@ typedef struct _MPI2_SMP_PASSTHROUGH_REQUEST
 /* values for PassthroughFlags field */
 #define MPI2_SMP_PT_REQ_PT_FLAGS_IMMEDIATE      (0x80)
 
-/* values for SGLFlags field are in the SGL section of mpi2.h */
+/* use MPI2_SGLFLAGS_ defines from mpi2.h for the SGLFlags field */
 
 
 /* SMP Passthrough Reply Message */
@@ -174,7 +175,7 @@ typedef struct _MPI2_SATA_PASSTHROUGH_REQUEST
 #define MPI2_SATA_PT_REQ_PT_FLAGS_WRITE             (0x0002)
 #define MPI2_SATA_PT_REQ_PT_FLAGS_READ              (0x0001)
 
-/* values for SGLFlags field are in the SGL section of mpi2.h */
+/* use MPI2_SGLFLAGS_ defines from mpi2.h for the SGLFlags field */
 
 
 /* SATA Passthrough Reply Message */
diff --git a/drivers/scsi/mpt2sas/mpi/mpi2_tool.h b/drivers/scsi/mpt2sas/mpi/mpi2_tool.h
index 686b09b8121..5c6e3a67bb9 100644
--- a/drivers/scsi/mpt2sas/mpi/mpi2_tool.h
+++ b/drivers/scsi/mpt2sas/mpi/mpi2_tool.h
@@ -6,7 +6,7 @@
  *          Title:  MPI diagnostic tool structures and definitions
  *  Creation Date:  March 26, 2007
  *
- *    mpi2_tool.h Version:  02.00.04
+ *    mpi2_tool.h Version:  02.00.05
  *
  *  Version History
  *  ---------------
@@ -22,6 +22,7 @@
  *                      and reply messages.
  *                      Added MPI2_DIAG_BUF_TYPE_EXTENDED.
  *                      Incremented MPI2_DIAG_BUF_TYPE_COUNT.
+ *  05-12-10  02.00.05  Added Diagnostic Data Upload tool.
  *  --------------------------------------------------------------------------
  */
 
@@ -37,6 +38,7 @@
 /* defines for the Tools */
 #define MPI2_TOOLBOX_CLEAN_TOOL                     (0x00)
 #define MPI2_TOOLBOX_MEMORY_MOVE_TOOL               (0x01)
+#define MPI2_TOOLBOX_DIAG_DATA_UPLOAD_TOOL          (0x02)
 #define MPI2_TOOLBOX_ISTWI_READ_WRITE_TOOL          (0x03)
 #define MPI2_TOOLBOX_BEACON_TOOL                    (0x05)
 #define MPI2_TOOLBOX_DIAGNOSTIC_CLI_TOOL            (0x06)
@@ -102,8 +104,7 @@ typedef struct _MPI2_TOOLBOX_CLEAN_REQUEST
 *  Toolbox Memory Move request
 ****************************************************************************/
 
-typedef struct _MPI2_TOOLBOX_MEM_MOVE_REQUEST
-{
+typedef struct _MPI2_TOOLBOX_MEM_MOVE_REQUEST {
     U8                      Tool;                       /* 0x00 */
     U8                      Reserved1;                  /* 0x01 */
     U8                      ChainOffset;                /* 0x02 */
@@ -120,6 +121,44 @@ typedef struct _MPI2_TOOLBOX_MEM_MOVE_REQUEST
 
 
 /****************************************************************************
+*  Toolbox Diagnostic Data Upload request
+****************************************************************************/
+
+typedef struct _MPI2_TOOLBOX_DIAG_DATA_UPLOAD_REQUEST {
+	U8                      Tool;                       /* 0x00 */
+	U8                      Reserved1;                  /* 0x01 */
+	U8                      ChainOffset;                /* 0x02 */
+	U8                      Function;                   /* 0x03 */
+	U16                     Reserved2;                  /* 0x04 */
+	U8                      Reserved3;                  /* 0x06 */
+	U8                      MsgFlags;                   /* 0x07 */
+	U8                      VP_ID;                      /* 0x08 */
+	U8                      VF_ID;                      /* 0x09 */
+	U16                     Reserved4;                  /* 0x0A */
+	U8                      SGLFlags;                   /* 0x0C */
+	U8                      Reserved5;                  /* 0x0D */
+	U16                     Reserved6;                  /* 0x0E */
+	U32                     Flags;                      /* 0x10 */
+	U32                     DataLength;                 /* 0x14 */
+	MPI2_SGE_SIMPLE_UNION   SGL;                        /* 0x18 */
+} MPI2_TOOLBOX_DIAG_DATA_UPLOAD_REQUEST,
+MPI2_POINTER PTR_MPI2_TOOLBOX_DIAG_DATA_UPLOAD_REQUEST,
+Mpi2ToolboxDiagDataUploadRequest_t,
+MPI2_POINTER pMpi2ToolboxDiagDataUploadRequest_t;
+
+/* use MPI2_SGLFLAGS_ defines from mpi2.h for the SGLFlags field */
+
+
+typedef struct _MPI2_DIAG_DATA_UPLOAD_HEADER {
+	U32                     DiagDataLength;             /* 00h */
+	U8                      FormatCode;                 /* 04h */
+	U8                      Reserved1;                  /* 05h */
+	U16                     Reserved2;                  /* 06h */
+} MPI2_DIAG_DATA_UPLOAD_HEADER, MPI2_POINTER PTR_MPI2_DIAG_DATA_UPLOAD_HEADER,
+Mpi2DiagDataUploadHeader_t, MPI2_POINTER pMpi2DiagDataUploadHeader_t;
+
+
+/****************************************************************************
 *  Toolbox ISTWI Read Write Tool
 ****************************************************************************/
 
@@ -162,7 +201,7 @@ typedef struct _MPI2_TOOLBOX_ISTWI_READ_WRITE_REQUEST {
 #define MPI2_TOOL_ISTWI_ACTION_RELEASE_BUS          (0x11)
 #define MPI2_TOOL_ISTWI_ACTION_RESET                (0x12)
 
-/* values for SGLFlags field are in the SGL section of mpi2.h */
+/* use MPI2_SGLFLAGS_ defines from mpi2.h for the SGLFlags field */
 
 
 /* Toolbox ISTWI Read Write Tool reply message */
@@ -248,7 +287,7 @@ typedef struct _MPI2_TOOLBOX_DIAGNOSTIC_CLI_REQUEST {
   Mpi2ToolboxDiagnosticCliRequest_t,
   MPI2_POINTER pMpi2ToolboxDiagnosticCliRequest_t;
 
-/* values for SGLFlags field are in the SGL section of mpi2.h */
+/* use MPI2_SGLFLAGS_ defines from mpi2.h for the SGLFlags field */
 
 
 /* Toolbox Diagnostic CLI Tool reply message */
diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c
index 12faf64f91b..b2a817055b8 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.c
@@ -65,7 +65,6 @@
 static MPT_CALLBACK	mpt_callbacks[MPT_MAX_CALLBACKS];
 
 #define FAULT_POLLING_INTERVAL 1000 /* in milliseconds */
-#define MPT2SAS_MAX_REQUEST_QUEUE 600 /* maximum controller queue depth */
 
 static int max_queue_depth = -1;
 module_param(max_queue_depth, int, 0);
@@ -79,6 +78,10 @@ static int msix_disable = -1;
 module_param(msix_disable, int, 0);
 MODULE_PARM_DESC(msix_disable, " disable msix routed interrupts (default=0)");
 
+static int missing_delay[2] = {-1, -1};
+module_param_array(missing_delay, int, NULL, 0);
+MODULE_PARM_DESC(missing_delay, " device missing delay , io missing delay");
+
 /* diag_buffer_enable is bitwise
  * bit 0 set = TRACE
  * bit 1 set = SNAPSHOT
@@ -515,9 +518,6 @@ _base_display_event_data(struct MPT2SAS_ADAPTER *ioc,
 	case MPI2_EVENT_EVENT_CHANGE:
 		desc = "Event Change";
 		break;
-	case MPI2_EVENT_TASK_SET_FULL:
-		desc = "Task Set Full";
-		break;
 	case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
 		desc = "Device Status Change";
 		break;
@@ -758,7 +758,7 @@ _base_get_cb_idx(struct MPT2SAS_ADAPTER *ioc, u16 smid)
 		if (smid < ioc->internal_smid) {
 			i = smid - ioc->hi_priority_smid;
 			cb_idx = ioc->hpr_lookup[i].cb_idx;
-		} else {
+		} else if (smid <= ioc->hba_queue_depth)  {
 			i = smid - ioc->internal_smid;
 			cb_idx = ioc->internal_lookup[i].cb_idx;
 		}
@@ -848,6 +848,7 @@ _base_interrupt(int irq, void *bus_id)
 		return IRQ_NONE;
 
 	completed_cmds = 0;
+	cb_idx = 0xFF;
 	do {
 		rd.word = rpf->Words;
 		if (rd.u.low == UINT_MAX || rd.u.high == UINT_MAX)
@@ -860,6 +861,9 @@ _base_interrupt(int irq, void *bus_id)
 		    MPI2_RPY_DESCRIPT_FLAGS_ADDRESS_REPLY) {
 			reply = le32_to_cpu
 				(rpf->AddressReply.ReplyFrameAddress);
+			if (reply > ioc->reply_dma_max_address ||
+			    reply < ioc->reply_dma_min_address)
+				reply = 0;
 		} else if (request_desript_type ==
 		    MPI2_RPY_DESCRIPT_FLAGS_TARGET_COMMAND_BUFFER)
 			goto next;
@@ -1489,6 +1493,7 @@ mpt2sas_base_free_smid(struct MPT2SAS_ADAPTER *ioc, u16 smid)
 {
 	unsigned long flags;
 	int i;
+	struct chain_tracker *chain_req, *next;
 
 	spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
 	if (smid >= ioc->hi_priority_smid) {
@@ -1511,6 +1516,14 @@ mpt2sas_base_free_smid(struct MPT2SAS_ADAPTER *ioc, u16 smid)
 
 	/* scsiio queue */
 	i = smid - 1;
+	if (!list_empty(&ioc->scsi_lookup[i].chain_list)) {
+		list_for_each_entry_safe(chain_req, next,
+		    &ioc->scsi_lookup[i].chain_list, tracker_list) {
+			list_del_init(&chain_req->tracker_list);
+			list_add_tail(&chain_req->tracker_list,
+			    &ioc->free_chain_list);
+		}
+	}
 	ioc->scsi_lookup[i].cb_idx = 0xFF;
 	ioc->scsi_lookup[i].scmd = NULL;
 	list_add_tail(&ioc->scsi_lookup[i].tracker_list,
@@ -1819,6 +1832,97 @@ _base_display_ioc_capabilities(struct MPT2SAS_ADAPTER *ioc)
 }
 
 /**
+ * _base_update_missing_delay - change the missing delay timers
+ * @ioc: per adapter object
+ * @device_missing_delay: amount of time till device is reported missing
+ * @io_missing_delay: interval IO is returned when there is a missing device
+ *
+ * Return nothing.
+ *
+ * Passed on the command line, this function will modify the device missing
+ * delay, as well as the io missing delay. This should be called at driver
+ * load time.
+ */
+static void
+_base_update_missing_delay(struct MPT2SAS_ADAPTER *ioc,
+	u16 device_missing_delay, u8 io_missing_delay)
+{
+	u16 dmd, dmd_new, dmd_orignal;
+	u8 io_missing_delay_original;
+	u16 sz;
+	Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL;
+	Mpi2ConfigReply_t mpi_reply;
+	u8 num_phys = 0;
+	u16 ioc_status;
+
+	mpt2sas_config_get_number_hba_phys(ioc, &num_phys);
+	if (!num_phys)
+		return;
+
+	sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (num_phys *
+	    sizeof(Mpi2SasIOUnit1PhyData_t));
+	sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL);
+	if (!sas_iounit_pg1) {
+		printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
+		    ioc->name, __FILE__, __LINE__, __func__);
+		goto out;
+	}
+	if ((mpt2sas_config_get_sas_iounit_pg1(ioc, &mpi_reply,
+	    sas_iounit_pg1, sz))) {
+		printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
+		    ioc->name, __FILE__, __LINE__, __func__);
+		goto out;
+	}
+	ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
+	    MPI2_IOCSTATUS_MASK;
+	if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
+		printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
+		    ioc->name, __FILE__, __LINE__, __func__);
+		goto out;
+	}
+
+	/* device missing delay */
+	dmd = sas_iounit_pg1->ReportDeviceMissingDelay;
+	if (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16)
+		dmd = (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16;
+	else
+		dmd = dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK;
+	dmd_orignal = dmd;
+	if (device_missing_delay > 0x7F) {
+		dmd = (device_missing_delay > 0x7F0) ? 0x7F0 :
+		    device_missing_delay;
+		dmd = dmd / 16;
+		dmd |= MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16;
+	} else
+		dmd = device_missing_delay;
+	sas_iounit_pg1->ReportDeviceMissingDelay = dmd;
+
+	/* io missing delay */
+	io_missing_delay_original = sas_iounit_pg1->IODeviceMissingDelay;
+	sas_iounit_pg1->IODeviceMissingDelay = io_missing_delay;
+
+	if (!mpt2sas_config_set_sas_iounit_pg1(ioc, &mpi_reply, sas_iounit_pg1,
+	    sz)) {
+		if (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16)
+			dmd_new = (dmd &
+			    MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16;
+		else
+			dmd_new =
+		    dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK;
+		printk(MPT2SAS_INFO_FMT "device_missing_delay: old(%d), "
+		    "new(%d)\n", ioc->name, dmd_orignal, dmd_new);
+		printk(MPT2SAS_INFO_FMT "ioc_missing_delay: old(%d), "
+		    "new(%d)\n", ioc->name, io_missing_delay_original,
+		    io_missing_delay);
+		ioc->device_missing_delay = dmd_new;
+		ioc->io_missing_delay = io_missing_delay;
+	}
+
+out:
+	kfree(sas_iounit_pg1);
+}
+
+/**
  * _base_static_config_pages - static start of day config pages
  * @ioc: per adapter object
  *
@@ -1855,6 +1959,7 @@ _base_static_config_pages(struct MPT2SAS_ADAPTER *ioc)
 		    MPI2_IOUNITPAGE1_DISABLE_TASK_SET_FULL_HANDLING;
 	ioc->iounit_pg1.Flags = cpu_to_le32(iounit_pg1_flags);
 	mpt2sas_config_set_iounit_pg1(ioc, &mpi_reply, &ioc->iounit_pg1);
+
 }
 
 /**
@@ -1868,6 +1973,8 @@ _base_static_config_pages(struct MPT2SAS_ADAPTER *ioc)
 static void
 _base_release_memory_pools(struct MPT2SAS_ADAPTER *ioc)
 {
+	int i;
+
 	dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
 	    __func__));
 
@@ -1932,6 +2039,20 @@ _base_release_memory_pools(struct MPT2SAS_ADAPTER *ioc)
 	}
 	kfree(ioc->hpr_lookup);
 	kfree(ioc->internal_lookup);
+	if (ioc->chain_lookup) {
+		for (i = 0; i < ioc->chain_depth; i++) {
+			if (ioc->chain_lookup[i].chain_buffer)
+				pci_pool_free(ioc->chain_dma_pool,
+				    ioc->chain_lookup[i].chain_buffer,
+				    ioc->chain_lookup[i].chain_buffer_dma);
+		}
+		if (ioc->chain_dma_pool)
+			pci_pool_destroy(ioc->chain_dma_pool);
+	}
+	if (ioc->chain_lookup) {
+		free_pages((ulong)ioc->chain_lookup, ioc->chain_pages);
+		ioc->chain_lookup = NULL;
+	}
 }
 
 
@@ -1953,6 +2074,7 @@ _base_allocate_memory_pools(struct MPT2SAS_ADAPTER *ioc,  int sleep_flag)
 	u32 sz, total_sz;
 	u32 retry_sz;
 	u16 max_request_credit;
+	int i;
 
 	dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
 	    __func__));
@@ -1970,14 +2092,11 @@ _base_allocate_memory_pools(struct MPT2SAS_ADAPTER *ioc,  int sleep_flag)
 	}
 
 	/* command line tunables  for max controller queue depth */
-	if (max_queue_depth != -1) {
+	if (max_queue_depth != -1)
 		max_request_credit = (max_queue_depth < facts->RequestCredit)
 		    ? max_queue_depth : facts->RequestCredit;
-	} else {
-		max_request_credit = (facts->RequestCredit >
-		    MPT2SAS_MAX_REQUEST_QUEUE) ? MPT2SAS_MAX_REQUEST_QUEUE :
-		    facts->RequestCredit;
-	}
+	else
+		max_request_credit = facts->RequestCredit;
 
 	ioc->hba_queue_depth = max_request_credit;
 	ioc->hi_priority_depth = facts->HighPriorityCredit;
@@ -2083,7 +2202,7 @@ _base_allocate_memory_pools(struct MPT2SAS_ADAPTER *ioc,  int sleep_flag)
 	 * "frame for smid=0
 	 */
 	ioc->chain_depth = ioc->chains_needed_per_io * ioc->scsiio_depth;
-	sz = ((ioc->scsiio_depth + 1 + ioc->chain_depth) * ioc->request_sz);
+	sz = ((ioc->scsiio_depth + 1) * ioc->request_sz);
 
 	/* hi-priority queue */
 	sz += (ioc->hi_priority_depth * ioc->request_sz);
@@ -2124,19 +2243,11 @@ _base_allocate_memory_pools(struct MPT2SAS_ADAPTER *ioc,  int sleep_flag)
 	ioc->internal_dma = ioc->hi_priority_dma + (ioc->hi_priority_depth *
 	    ioc->request_sz);
 
-	ioc->chain = ioc->internal + (ioc->internal_depth *
-	    ioc->request_sz);
-	ioc->chain_dma = ioc->internal_dma + (ioc->internal_depth *
-	    ioc->request_sz);
 
 	dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "request pool(0x%p): "
 	    "depth(%d), frame_size(%d), pool_size(%d kB)\n", ioc->name,
 	    ioc->request, ioc->hba_queue_depth, ioc->request_sz,
 	    (ioc->hba_queue_depth * ioc->request_sz)/1024));
-	dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "chain pool(0x%p): depth"
-	    "(%d), frame_size(%d), pool_size(%d kB)\n", ioc->name, ioc->chain,
-	    ioc->chain_depth, ioc->request_sz, ((ioc->chain_depth *
-	    ioc->request_sz))/1024));
 	dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "request pool: dma(0x%llx)\n",
 	    ioc->name, (unsigned long long) ioc->request_dma));
 	total_sz += sz;
@@ -2155,6 +2266,38 @@ _base_allocate_memory_pools(struct MPT2SAS_ADAPTER *ioc,  int sleep_flag)
 	    "depth(%d)\n", ioc->name, ioc->request,
 	    ioc->scsiio_depth));
 
+	/* loop till the allocation succeeds */
+	do {
+		sz = ioc->chain_depth * sizeof(struct chain_tracker);
+		ioc->chain_pages = get_order(sz);
+		ioc->chain_lookup = (struct chain_tracker *)__get_free_pages(
+		    GFP_KERNEL, ioc->chain_pages);
+		if (ioc->chain_lookup == NULL)
+			ioc->chain_depth -= 100;
+	} while (ioc->chain_lookup == NULL);
+	ioc->chain_dma_pool = pci_pool_create("chain pool", ioc->pdev,
+	    ioc->request_sz, 16, 0);
+	if (!ioc->chain_dma_pool) {
+		printk(MPT2SAS_ERR_FMT "chain_dma_pool: pci_pool_create "
+		    "failed\n", ioc->name);
+		goto out;
+	}
+	for (i = 0; i < ioc->chain_depth; i++) {
+		ioc->chain_lookup[i].chain_buffer = pci_pool_alloc(
+		    ioc->chain_dma_pool , GFP_KERNEL,
+		    &ioc->chain_lookup[i].chain_buffer_dma);
+		if (!ioc->chain_lookup[i].chain_buffer) {
+			ioc->chain_depth = i;
+			goto chain_done;
+		}
+		total_sz += ioc->request_sz;
+	}
+chain_done:
+	dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "chain pool depth"
+	    "(%d), frame_size(%d), pool_size(%d kB)\n", ioc->name,
+	    ioc->chain_depth, ioc->request_sz, ((ioc->chain_depth *
+	    ioc->request_sz))/1024));
+
 	/* initialize hi-priority queue smid's */
 	ioc->hpr_lookup = kcalloc(ioc->hi_priority_depth,
 	    sizeof(struct request_tracker), GFP_KERNEL);
@@ -2221,6 +2364,8 @@ _base_allocate_memory_pools(struct MPT2SAS_ADAPTER *ioc,  int sleep_flag)
 		    ioc->name);
 		goto out;
 	}
+	ioc->reply_dma_min_address = (u32)(ioc->reply_dma);
+	ioc->reply_dma_max_address = (u32)(ioc->reply_dma) + sz;
 	dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply pool(0x%p): depth"
 	    "(%d), frame_size(%d), pool_size(%d kB)\n", ioc->name, ioc->reply,
 	    ioc->reply_free_queue_depth, ioc->reply_sz, sz/1024));
@@ -2302,7 +2447,6 @@ _base_allocate_memory_pools(struct MPT2SAS_ADAPTER *ioc,  int sleep_flag)
 	return 0;
 
  out:
-	_base_release_memory_pools(ioc);
 	return -ENOMEM;
 }
 
@@ -3485,6 +3629,7 @@ _base_make_ioc_operational(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
 	INIT_LIST_HEAD(&ioc->free_list);
 	smid = 1;
 	for (i = 0; i < ioc->scsiio_depth; i++, smid++) {
+		INIT_LIST_HEAD(&ioc->scsi_lookup[i].chain_list);
 		ioc->scsi_lookup[i].cb_idx = 0xFF;
 		ioc->scsi_lookup[i].smid = smid;
 		ioc->scsi_lookup[i].scmd = NULL;
@@ -3511,6 +3656,13 @@ _base_make_ioc_operational(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
 		list_add_tail(&ioc->internal_lookup[i].tracker_list,
 		    &ioc->internal_free_list);
 	}
+
+	/* chain pool */
+	INIT_LIST_HEAD(&ioc->free_chain_list);
+	for (i = 0; i < ioc->chain_depth; i++)
+		list_add_tail(&ioc->chain_lookup[i].tracker_list,
+		    &ioc->free_chain_list);
+
 	spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
 
 	/* initialize Reply Free Queue */
@@ -3708,12 +3860,15 @@ mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc)
 	_base_unmask_events(ioc, MPI2_EVENT_IR_VOLUME);
 	_base_unmask_events(ioc, MPI2_EVENT_IR_PHYSICAL_DISK);
 	_base_unmask_events(ioc, MPI2_EVENT_IR_OPERATION_STATUS);
-	_base_unmask_events(ioc, MPI2_EVENT_TASK_SET_FULL);
 	_base_unmask_events(ioc, MPI2_EVENT_LOG_ENTRY_ADDED);
 	r = _base_make_ioc_operational(ioc, CAN_SLEEP);