[GIT PULL] scsi fixes for 3.0-rc5

From: James Bottomley
Date: Mon Jul 04 2011 - 17:00:31 EST

This is a couple of driver fixes and the addition of the isci intel SAS
driver under the new driver merge exception. The isci tree is cleanly
separated with everything under drivers/scsi/isci (plus the
Makefile/Kconfig plumbing and one firmware file under firmware/isci).
The driver itself weighs in at around 23k lines, which is on the heavy
side, but Christoph Hellwig and I think it's ready enough to accept now
so that we have a working driver by the time the motherboards ship
(estimated to be in the 3.0 release timeframe).

The patch is available here:

master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6.git

The shortlog for just the driver fixes (lest they get lost in the flood) is:

Brian King (1):
ibmvfc: Fix Virtual I/O failover hang

Stephen M. Cameron (2):
hpsa: fix potential overrun while memcpy'ing sense data
hpsa: fix dma unmap error in hpsa_passthru_ioctl

The full changelog is:

Adam Gruchala (2):
isci: Added support for C0 to SCU Driver
isci: merge phy substates

Artur Wojcik (1):
isci: unify isci_host data structures

Bartosz Barcinski (2):
isci: audit usage of BUG_ON macro in isci driver
isci: sparse warnings cleanup

Brian King (1):
ibmvfc: Fix Virtual I/O failover hang

Christoph Hellwig (7):
isci: remove scic_controller state handlers
isci: simplify dma coherent allocation
isci: simplify request state handlers
isci: kill dead data structurs in scic_io_request.h
isci: remove base_request abstraction
isci: remove base_controller abstraction
isci: remove mmio wrappers

Dan Williams (142):
isci: pare back error messsages
isci: cleanup silicon revision detection
isci: merge scu_unsolicited_frame.h into unsolicited_frame_control.h
isci: merge sata.[ch] into request.c
isci: kill 'get/set' macros
isci: retire scic_sds_ and scic_ prefixes
isci: unify isci_host and scic_sds_controller
isci: unify isci_remote_device and scic_sds_remote_device
isci: unify isci_port and scic_sds_port
isci: fix scic_sds_remote_device_terminate_requests
isci: unify isci_phy and scic_sds_phy
isci: unify isci_request and scic_sds_request
isci: rename / clean up scic_sds_stp_request
isci: preallocate requests
isci: combine request flags
isci: unify can_queue tracking on the tci_pool, uplevel tag assignment
isci: fix frame received locking
isci: fix isci_task_execute_tmf completion
isci: fix support for arbitrarily large smp requests
isci: fix dma_unmap_sg usage
isci: fix smp response frame overrun
isci: kill device_sequence
isci: kill isci_remote_device_change_state()
isci: atomic device lookup and reference counting
isci: fix ssp response iu buffer size in isci_tmf
isci: cleanup request allocation
isci: cleanup/optimize queue increment macros
isci: cleanup tag macros
isci: cleanup/optimize pool implementation
isci: fix isci_terminate_pending() list management
isci: remove 'min memory' infrastructure
isci: add some type safety to the state machine interface
isci: unify rnc start{io|task} handlers
isci: unify rnc suspend/resume handlers
isci: unify rnc destruct handlers
isci: unify rnc event handlers
isci: unify port start_io and complete_io handlers
isci: clarify phy to port lookups
isci: unify phy consume_power handlers
isci: unify phy event handlers
isci: unify phy frame handlers
isci: remove phy destruct handlers
isci: unify phy reset handlers
isci: unify phy stop handlers
isci: unify phy start handlers
isci: remove the completion and event state handlers
isci: remove request task context completion state handler
isci: unify request frame handlers
isci: unify request abort handlers
isci: merge stp request substates into primary state machine
isci: merge smp request substates into primary state machine
isci: merge ssp task management substates into primary state machine
isci: uplevel port infrastructure
isci: uplevel phy infrastructure
isci: uplevel request infrastructure
isci: uplevel state machine
isci: uplevel register hardware data structures and unsolicited frame handling
isci: move core/controller to host
isci: unify constants
isci: unify request data structures
isci: make command/response iu explicit request object members
isci: move task context alignment from run-time to compile time
isci: make sgl explicit/aligned request object member
isci: move stp request info to scic_sds_request
isci: unify port data structures
isci: unify phy data structures
isci: implement I_T_nexus_reset
isci: fix ata locking
isci: remove compile-time (Kconfig) silicon configuration
isci: kill scic_sds_remote_device.state_handlers
isci: unify remote_device frame_handlers
isci: unify remote_device event_handlers
isci: kill remote_device resume_handler
isci: unify remote_device suspend_handlers
isci: kill remote_device complete_task_handler
isci: unify remote_device start_task_handlers
isci: kill remote_device continue_io_handler
isci: unify remote_device complete_io_handlers
isci: unify remote_device start_io_handlers
isci: unify remote_device reset_complete_handlers
isci: unify remote_device reset_handlers
isci: unify remote_device destruct_handlers
isci: kill remote_device fail_handler
isci: unify remote_device stop_handlers
isci: unify remote_device start_handlers
isci: fix remote_device start_io regressions
isci: kill scic_remote_device_get_connection_rate
isci: merge remote_device substates into a single state machine
isci: allow fallback to option-rom if efi variable retrieval fails
isci: remove scic_sds_remote_device_get_port_index
isci: remove usage of sci_sas_address in scic_sds_remote_device
isci: kill smp_discover_response
isci: kill smp_discover_response_protocols in favor of domain_device.dev_type
isci: cleanup remote device construction and comments
isci: move remote_device handling out of the core
isci: unify remote_device data structures
isci: remove rnc->device back pointer
isci: make a remote_node_context a proper member of a remote_device
isci: rely on irq core for intx multiplexing, and silence screaming intx
isci: validate oem parameters early, and fallback
isci: fix oem parameter header definition
isci: replace sci_sas_link_rate with sas_linkrate
isci: fix fragile/conditional isci_host lookups
isci: cleanup isci_remote_device[_not]_ready interface
isci: remove unused "remote_device_started"
isci: namespacecheck cleanups
isci: kill some long macros
isci: reorder init to cleanup unneeded declarations
isci: fix a build warning
isci: fix apc mode definition
isci: fix oem parameter initialization and mode detection
isci: fixup with testing from isci OROM in BIOS
isci: Add support for probing OROM for OEM params
isci: reset hardware at init
isci: task.h compile and checkpatch fixes
isci: fix incorrect assumptions about task->dev and task->dev->port being NULL
isci: add "isci_id" attribute
isci: Errors in the submit path for SATA devices manage the ap lock.
isci: cleanup debug leftovers in isci.h
isci: replace remote_device_lock with scic_lock
isci: preallocate remote devices
isci: replace isci_remote_device completion with event queue
isci: kill "host quiesce" mechanism
isci: remove sci_device_handle
isci: kill isci_host list in favor of an array
isci: enable isci for dmar builds
isci: pad stp and smp request sizes
isci: fix hang after target reset
isci: rework timer api
isci: fix sas address reporting
isci: clean up remaining silicon revision ifdefs in phy init
isci: phy state machine cleanup step1
isci: debug fixes
isci: advertise linkrate
isci: implement error isr
isci: cleanup "starting" state handling
isci: bypass scic_controller_get_handler_methods()
isci: remove SCIC_DEBUG_ENABLED, and fixup an odd macro
isci: kill a callback cast
isci: cleanup core consolidation leftovers
isci: kill SCI_IO_REQUEST_DATA_DIRECTION
isci: Intel(R) C600 Series Chipset Storage Control Unit Driver

Dave Jiang (38):
isci: Removing unused variables compiler warnings
isci: Retrieve the EFI variable for OEM parameter
isci: removing the kmalloc in smp request construct
isci: Removing unnecessary functions in request.c
isci: removing intel_*.h headers
isci: Using Linux SSP frame header
isci: Remove SCIC_SWAP_DWORD()
isci: fixup SAS iaf protocols data structure
isci: remove redundant copies of IAF
isci: Converting smp_response to Linux native smp_resp
isci: Fixup of smp request
isci: Convert of sci_ssp_response_iu to ssp_response_iu
isci: Fixup SSP command IU and task IU
isci: renaming sas_capabilities to scic_phy_cap
isci: Collapsing of phy_type data structure
isci: Convert SAS identify address frame to Linux Native format
isci: Convert ATA defines to Linux native defines
isci: Convert SATA fis data structures to Linux native
isci: Removing unused define SCIC_SDS_4_ENABLED
isci: Remove excessive log noise with expander hot-unplug
isci: removing non-working ATAPI code
isci: replace this_* and the_* variables with more meaningful names
isci: Remove "screaming" data types
isci: Remove event_* calls as they are just wrappers
isci: exposing user parameters via module params
isci: Fixup for OEM parameter EFI variable retrieval
isci: copy the oem parameters instead of assign
isci: update efi variable name and guid
isci: Adding EFI variable skeletal support
isci: Cleanup warning messages for phy resets
isci: Adding support for phy enable and disable
isci: Removing deprecated functions
isci: Change event notify calls from scic_cb_* to isci_event_*
isci: have the driver use native SG calls and DMA-API
isci: Make the driver copy data directly from and to sg for PIO
isci: Removed special macros that does 64bit address math
isci: Move firmware loading to per PCI device
isci: removing unused loglevel module param

Edmund Nadolski (17):
isci: additional state machine cleanup
isci: state machine cleanup
isci: remove isci_timer interface
isci: Remove tmf timeout_timer
isci: convert phy_startup_timer to sci_timer
isci: convert scic_timeout_timer to sci_timer
isci: convert power control timer to sci_timer
isci: convert phy sata_timeout_timer to sci_timer
isci: convert port config agent timer to sci_timer
isci: replace isci_timer list with proper embedded timers
isci: remove scic_sds_port_increment_request_count
isci: kill scic_controller_get_port_handle function
isci: remove scic_controller_get_handler_methods and ilk
isci: enable interrupts during controller start, and flush discovery
isci: kill sci_types.h
isci: remove SCI_INVALID_HANDLE
isci: remove unused SC_LIBRARY_HANDLE_T typedef

Havard Skinnemoen (1):
isci: Initialize proc_name field in scsi_host_template

Henryk Dembkowski (6):
isci: add support for 2 more oem parmeters
isci: Move transport layer registers from port to phy
isci: coding style changes for remote device
isci: c99 tables cleanup step1
isci: coding style changes for remote device
isci: remote device and node cleanup step1

Jacek Danecki (2):
isci: rnc state machine table c99 conversion
isci: Add support for user parameters in SCIC layer

James Bottomley (1):
isci: fix checkpatch errors

Jeff Skirvin (27):
isci: Device reset should request sas_phy_reset(phy, true)
isci: Terminate dev requests on FIS err bit rx in NCQ
isci: Disable link layer hang detection
isci: Hard reset failure will link reset all phys in the port
isci: Explicitly decode remote node ready and suspended states
isci: Handle timed-out request terminations correctly
isci: Requests that do not start must be set to "complete"
isci: Add decode for SMP request retry error condition
isci: filter broadcast change notifications during SMP phy resets
isci: Move the reset delay after the remote node resumption.
isci: Qualify when the host lock is managed for STP/SATA callbacks.
isci: Fix use of SATA soft reset state machine.
isci: Free host lock for SATA/STP abort escalation at submission time.
isci: Properly handle requests in the "aborting" state.
isci: don't hold scic_lock over calls to sas_task_abort()
isci: All pending requests are terminated before stopping the device.
isci: Always set response/status for requests going into the error path.
isci: Fixed BUG_ON in isci_abort_task_process_cb callback.
isci: Fix TMF build for SAS/SATA LUN reset cases.
isci: Termination handling cleanup, added termination timeouts.
isci: Code review change for completion pointer cleanup.
isci: Cleaning up task execute path.
isci: save the i/o tag outside the scic request structure.
isci: Any reset indicated on an I/O completion escalates it to the error path.
isci: fix completion / abort path.
isci: Changes in isci_host_completion_routine
isci: isci_request_cleanup_completed_loiterer checks task before task_done

Maciej Patelczyk (10):
isci: possible buffer overflow in isci_parse_oem_parameters fixed
isci: Removed sci_object.h from project.
isci: Removed sci_base_object from scic_sds_request.
isci: Removed sci_base_object from scic_sds_remote_node_context.
isci: Removed sci_base_object from scic_sds_remote_device.
isci: Removed sci_base_object from scic_sds_port.
isci: Removed sci_base_object from scic_sds_phy.
isci: Removed sci_base_object from scic_sds_controller.
isci: Removed struct sci_base_object from state machine.
isci: Implement SCU AFE recipe 10.

Maciej Trela (3):
isci: remove base_phy abstraction
isci: remove base_port abstraction
isci: remove base_remote_device abstraction

Pawel Marek (1):
isci: controller stop/start fixes

Piotr Sawicki (11):
isci: unify port link_up and link_down handlers
isci: remove port frame and event handlers
isci: unify port reset, add_phy, and remove_phy handlers
isci: remove port destruct handler
isci: unify port stop handlers
isci: remove port start handler
isci: merge port ready substates into primary state machine
isci: c99 port state handlers
isci: unify request start handlers
isci: handle cases where a d2h fis is used report an ncq error
isci: fix for asserts during aborts/resets to SAS/SATA in APC mode

Stephen M. Cameron (2):
hpsa: fix potential overrun while memcpy'ing sense data
hpsa: fix dma unmap error in hpsa_passthru_ioctl

Tomasz Chudy (3):
isci: workaround port task scheduler starvation issue
isci: Add Support for new TC completion codes
isci: fix "no outbound task timeout" default value

And the diffstat:

drivers/scsi/Kconfig | 13 +
drivers/scsi/Makefile | 1 +
drivers/scsi/hpsa.c | 16 +-
drivers/scsi/ibmvscsi/ibmvfc.c | 4 +-
drivers/scsi/isci/Makefile | 8 +
drivers/scsi/isci/firmware/Makefile | 19 +
drivers/scsi/isci/firmware/README | 36 +
drivers/scsi/isci/firmware/create_fw.c | 99 +
drivers/scsi/isci/firmware/create_fw.h | 77 +
drivers/scsi/isci/host.c | 2751 ++++++++++++++++++++
drivers/scsi/isci/host.h | 542 ++++
drivers/scsi/isci/init.c | 565 ++++
drivers/scsi/isci/isci.h | 538 ++++
drivers/scsi/isci/phy.c | 1312 ++++++++++
drivers/scsi/isci/phy.h | 504 ++++
drivers/scsi/isci/port.c | 1757 +++++++++++++
drivers/scsi/isci/port.h | 306 +++
drivers/scsi/isci/port_config.c | 754 ++++++
drivers/scsi/isci/probe_roms.c | 243 ++
drivers/scsi/isci/probe_roms.h | 249 ++
drivers/scsi/isci/registers.h | 1934 ++++++++++++++
drivers/scsi/isci/remote_device.c | 1501 +++++++++++
drivers/scsi/isci/remote_device.h | 352 +++
drivers/scsi/isci/remote_node_context.c | 627 +++++
drivers/scsi/isci/remote_node_context.h | 224 ++
drivers/scsi/isci/remote_node_table.c | 598 +++++
drivers/scsi/isci/remote_node_table.h | 188 ++
drivers/scsi/isci/request.c | 3391 +++++++++++++++++++++++++
drivers/scsi/isci/request.h | 448 ++++
drivers/scsi/isci/sas.h | 219 ++
drivers/scsi/isci/scu_completion_codes.h | 283 ++
drivers/scsi/isci/scu_event_codes.h | 336 +++
drivers/scsi/isci/scu_remote_node_context.h | 229 ++
drivers/scsi/isci/scu_task_context.h | 942 +++++++
drivers/scsi/isci/task.c | 1676 ++++++++++++
drivers/scsi/isci/task.h | 367 +++
drivers/scsi/isci/unsolicited_frame_control.c | 225 ++
drivers/scsi/isci/unsolicited_frame_control.h | 278 ++
firmware/Makefile | 1 +
firmware/isci/isci_firmware.bin.ihex | 16 +
40 files changed, 23622 insertions(+), 7 deletions(-)
create mode 100644 drivers/scsi/isci/Makefile
create mode 100644 drivers/scsi/isci/firmware/Makefile
create mode 100644 drivers/scsi/isci/firmware/README
create mode 100644 drivers/scsi/isci/firmware/create_fw.c
create mode 100644 drivers/scsi/isci/firmware/create_fw.h
create mode 100644 drivers/scsi/isci/host.c
create mode 100644 drivers/scsi/isci/host.h
create mode 100644 drivers/scsi/isci/init.c
create mode 100644 drivers/scsi/isci/isci.h
create mode 100644 drivers/scsi/isci/phy.c
create mode 100644 drivers/scsi/isci/phy.h
create mode 100644 drivers/scsi/isci/port.c
create mode 100644 drivers/scsi/isci/port.h
create mode 100644 drivers/scsi/isci/port_config.c
create mode 100644 drivers/scsi/isci/probe_roms.c
create mode 100644 drivers/scsi/isci/probe_roms.h
create mode 100644 drivers/scsi/isci/registers.h
create mode 100644 drivers/scsi/isci/remote_device.c
create mode 100644 drivers/scsi/isci/remote_device.h
create mode 100644 drivers/scsi/isci/remote_node_context.c
create mode 100644 drivers/scsi/isci/remote_node_context.h
create mode 100644 drivers/scsi/isci/remote_node_table.c
create mode 100644 drivers/scsi/isci/remote_node_table.h
create mode 100644 drivers/scsi/isci/request.c
create mode 100644 drivers/scsi/isci/request.h
create mode 100644 drivers/scsi/isci/sas.h
create mode 100644 drivers/scsi/isci/scu_completion_codes.h
create mode 100644 drivers/scsi/isci/scu_event_codes.h
create mode 100644 drivers/scsi/isci/scu_remote_node_context.h
create mode 100644 drivers/scsi/isci/scu_task_context.h
create mode 100644 drivers/scsi/isci/task.c
create mode 100644 drivers/scsi/isci/task.h
create mode 100644 drivers/scsi/isci/unsolicited_frame_control.c
create mode 100644 drivers/scsi/isci/unsolicited_frame_control.h
create mode 100644 firmware/isci/isci_firmware.bin.ihex


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