Merge ../linux-2.6
authorJames Bottomley <jejb@mulgrave.il.steeleye.com>
Mon, 28 Aug 2006 02:59:59 +0000 (21:59 -0500)
committerJames Bottomley <jejb@mulgrave.il.steeleye.com>
Mon, 28 Aug 2006 02:59:59 +0000 (21:59 -0500)
47 files changed:
Documentation/scsi/ChangeLog.arcmsr [new file with mode: 0644]
Documentation/scsi/arcmsr_spec.txt [new file with mode: 0644]
drivers/block/DAC960.c
drivers/block/cciss_scsi.c
drivers/message/fusion/mptfc.c
drivers/message/fusion/mptsas.c
drivers/scsi/BusLogic.c
drivers/scsi/Kconfig
drivers/scsi/Makefile
drivers/scsi/aacraid/aachba.c
drivers/scsi/aacraid/aacraid.h
drivers/scsi/aacraid/commctrl.c
drivers/scsi/aacraid/comminit.c
drivers/scsi/aacraid/commsup.c
drivers/scsi/aacraid/dpcsup.c
drivers/scsi/aacraid/linit.c
drivers/scsi/aacraid/rkt.c
drivers/scsi/aacraid/rx.c
drivers/scsi/advansys.c
drivers/scsi/aic7xxx/aic79xx_osm.c
drivers/scsi/aic7xxx/aic7xxx_osm.c
drivers/scsi/aic7xxx_old.c
drivers/scsi/arcmsr/Makefile [new file with mode: 0644]
drivers/scsi/arcmsr/arcmsr.h [new file with mode: 0644]
drivers/scsi/arcmsr/arcmsr_attr.c [new file with mode: 0644]
drivers/scsi/arcmsr/arcmsr_hba.c [new file with mode: 0644]
drivers/scsi/dpt_i2o.c
drivers/scsi/fcal.c
drivers/scsi/g_NCR5380.c
drivers/scsi/hosts.c
drivers/scsi/hptiop.c
drivers/scsi/ipr.c
drivers/scsi/ipr.h
drivers/scsi/libata-eh.c
drivers/scsi/megaraid.c
drivers/scsi/megaraid/megaraid_mbox.c
drivers/scsi/megaraid/megaraid_sas.c
drivers/scsi/scsi.c
drivers/scsi/scsi.h
drivers/scsi/scsi_lib.c
drivers/scsi/scsi_proc.c
drivers/scsi/scsi_scan.c
drivers/scsi/scsi_transport_fc.c
include/linux/pci_ids.h
include/scsi/scsi.h
include/scsi/scsi_cmnd.h
include/scsi/scsi_transport_fc.h

diff --git a/Documentation/scsi/ChangeLog.arcmsr b/Documentation/scsi/ChangeLog.arcmsr
new file mode 100644 (file)
index 0000000..162c47f
--- /dev/null
@@ -0,0 +1,56 @@
+**************************************************************************
+** History
+**
+**   REV#         DATE             NAME         DESCRIPTION
+** 1.00.00.00    3/31/2004       Erich Chen     First release
+** 1.10.00.04    7/28/2004       Erich Chen     modify for ioctl
+** 1.10.00.06    8/28/2004       Erich Chen     modify for 2.6.x
+** 1.10.00.08    9/28/2004       Erich Chen     modify for x86_64
+** 1.10.00.10   10/10/2004       Erich Chen     bug fix for SMP & ioctl
+** 1.20.00.00   11/29/2004       Erich Chen     bug fix with arcmsr_bus_reset when PHY error
+** 1.20.00.02   12/09/2004       Erich Chen     bug fix with over 2T bytes RAID Volume
+** 1.20.00.04    1/09/2005       Erich Chen     fits for Debian linux kernel version 2.2.xx
+** 1.20.00.05    2/20/2005       Erich Chen     cleanly as look like a Linux driver at 2.6.x
+**                                              thanks for peoples kindness comment
+**                                             Kornel Wieliczek
+**                                             Christoph Hellwig
+**                                             Adrian Bunk
+**                                             Andrew Morton
+**                                             Christoph Hellwig
+**                                             James Bottomley
+**                                             Arjan van de Ven
+** 1.20.00.06    3/12/2005       Erich Chen     fix with arcmsr_pci_unmap_dma "unsigned long" cast,
+**                                             modify PCCB POOL allocated by "dma_alloc_coherent"
+**                                             (Kornel Wieliczek's comment)
+** 1.20.00.07    3/23/2005       Erich Chen     bug fix with arcmsr_scsi_host_template_init
+**                                             occur segmentation fault,
+**                                             if RAID adapter does not on PCI slot
+**                                             and modprobe/rmmod this driver twice.
+**                                             bug fix enormous stack usage (Adrian Bunk's comment)
+** 1.20.00.08    6/23/2005       Erich Chen     bug fix with abort command,
+**                                             in case of heavy loading when sata cable
+**                                             working on low quality connection
+** 1.20.00.09    9/12/2005       Erich Chen     bug fix with abort command handling, firmware version check
+**                                             and firmware update notify for hardware bug fix
+** 1.20.00.10    9/23/2005       Erich Chen     enhance sysfs function for change driver's max tag Q number.
+**                                             add DMA_64BIT_MASK for backward compatible with all 2.6.x
+**                                             add some useful message for abort command
+**                                             add ioctl code 'ARCMSR_IOCTL_FLUSH_ADAPTER_CACHE'
+**                                             customer can send this command for sync raid volume data
+** 1.20.00.11    9/29/2005       Erich Chen     by comment of Arjan van de Ven fix incorrect msleep redefine
+**                                             cast off sizeof(dma_addr_t) condition for 64bit pci_set_dma_mask
+** 1.20.00.12    9/30/2005       Erich Chen     bug fix with 64bit platform's ccbs using if over 4G system memory
+**                                             change 64bit pci_set_consistent_dma_mask into 32bit
+**                                             increcct adapter count if adapter initialize fail.
+**                                             miss edit at arcmsr_build_ccb....
+**                                             psge += sizeof(struct _SG64ENTRY *) =>
+**                                             psge += sizeof(struct _SG64ENTRY)
+**                                             64 bits sg entry would be incorrectly calculated
+**                                             thanks Kornel Wieliczek give me kindly notify
+**                                             and detail description
+** 1.20.00.13   11/15/2005       Erich Chen     scheduling pending ccb with FIFO
+**                                             change the architecture of arcmsr command queue list
+**                                             for linux standard list
+**                                             enable usage of pci message signal interrupt
+**                                             follow Randy.Danlup kindness suggestion cleanup this code
+**************************************************************************
\ No newline at end of file
diff --git a/Documentation/scsi/arcmsr_spec.txt b/Documentation/scsi/arcmsr_spec.txt
new file mode 100644 (file)
index 0000000..5e00423
--- /dev/null
@@ -0,0 +1,574 @@
+*******************************************************************************
+**                            ARECA FIRMWARE SPEC
+*******************************************************************************
+**     Usage of IOP331 adapter
+**     (All In/Out is in IOP331's view)
+**     1. Message 0 --> InitThread message and retrun code
+**     2. Doorbell is used for RS-232 emulation
+**             inDoorBell :    bit0 -- data in ready
+**                     (DRIVER DATA WRITE OK)
+**                             bit1 -- data out has been read
+**                     (DRIVER DATA READ OK)
+**             outDooeBell:    bit0 -- data out ready
+**                     (IOP331 DATA WRITE OK)
+**                             bit1 -- data in has been read
+**                     (IOP331 DATA READ OK)
+**     3. Index Memory Usage
+**     offset 0xf00 : for RS232 out (request buffer)
+**     offset 0xe00 : for RS232 in  (scratch buffer)
+**     offset 0xa00 : for inbound message code message_rwbuffer
+**                     (driver send to IOP331)
+**     offset 0xa00 : for outbound message code message_rwbuffer
+**                     (IOP331 send to driver)
+**     4. RS-232 emulation
+**             Currently 128 byte buffer is used
+**                     1st uint32_t : Data length (1--124)
+**                     Byte 4--127  : Max 124 bytes of data
+**     5. PostQ
+**     All SCSI Command must be sent through postQ:
+**     (inbound queue port)    Request frame must be 32 bytes aligned
+**     #bit27--bit31 => flag for post ccb
+**     #bit0--bit26  => real address (bit27--bit31) of post arcmsr_cdb
+**             bit31 :
+**                     0 : 256 bytes frame
+**                     1 : 512 bytes frame
+**             bit30 :
+**                     0 : normal request
+**                     1 : BIOS request
+**             bit29 : reserved
+**             bit28 : reserved
+**             bit27 : reserved
+**  ---------------------------------------------------------------------------
+**     (outbount queue port)   Request reply
+**     #bit27--bit31
+**             => flag for reply
+**     #bit0--bit26
+**             => real address (bit27--bit31) of reply arcmsr_cdb
+**                     bit31 : must be 0 (for this type of reply)
+**                     bit30 : reserved for BIOS handshake
+**                     bit29 : reserved
+**                     bit28 :
+**                     0 : no error, ignore AdapStatus/DevStatus/SenseData
+**                     1 : Error, error code in AdapStatus/DevStatus/SenseData
+**                     bit27 : reserved
+**     6. BIOS request
+**             All BIOS request is the same with request from PostQ
+**             Except :
+**                     Request frame is sent from configuration space
+**             offset: 0x78 : Request Frame (bit30 == 1)
+**             offset: 0x18 : writeonly to generate
+**                                     IRQ to IOP331
+**             Completion of request:
+**                     (bit30 == 0, bit28==err flag)
+**     7. Definition of SGL entry (structure)
+**     8. Message1 Out - Diag Status Code (????)
+**     9. Message0 message code :
+**             0x00 : NOP
+**             0x01 : Get Config
+**             ->offset 0xa00 :for outbound message code message_rwbuffer
+**             (IOP331 send to driver)
+**             Signature             0x87974060(4)
+**             Request len           0x00000200(4)
+**             numbers of queue      0x00000100(4)
+**             SDRAM Size            0x00000100(4)-->256 MB
+**             IDE Channels          0x00000008(4)
+**             vendor                40 bytes char
+**             model                  8 bytes char
+**             FirmVer               16 bytes char
+**             Device Map            16 bytes char
+**             FirmwareVersion DWORD <== Added for checking of
+**                                             new firmware capability
+**             0x02 : Set Config
+**             ->offset 0xa00 :for inbound message code message_rwbuffer
+**             (driver send to IOP331)
+**             Signature             0x87974063(4)
+**             UPPER32 of Request Frame  (4)-->Driver Only
+**             0x03 : Reset (Abort all queued Command)
+**             0x04 : Stop Background Activity
+**             0x05 : Flush Cache
+**             0x06 : Start Background Activity
+**                     (re-start if background is halted)
+**             0x07 : Check If Host Command Pending
+**                     (Novell May Need This Function)
+**             0x08 : Set controller time
+**             ->offset 0xa00 : for inbound message code message_rwbuffer
+**             (driver to IOP331)
+**             byte 0 : 0xaa <-- signature
+**             byte 1 : 0x55 <-- signature
+**             byte 2 : year (04)
+**             byte 3 : month (1..12)
+**             byte 4 : date (1..31)
+**             byte 5 : hour (0..23)
+**             byte 6 : minute (0..59)
+**             byte 7 : second (0..59)
+*******************************************************************************
+*******************************************************************************
+**             RS-232 Interface for Areca Raid Controller
+**      The low level command interface is exclusive with VT100 terminal
+**  --------------------------------------------------------------------
+**      1. Sequence of command execution
+**  --------------------------------------------------------------------
+**     (A) Header : 3 bytes sequence (0x5E, 0x01, 0x61)
+**     (B) Command block : variable length of data including length,
+**             command code, data and checksum byte
+**     (C) Return data : variable length of data
+**  --------------------------------------------------------------------
+**    2. Command block
+**  --------------------------------------------------------------------
+**     (A) 1st byte : command block length (low byte)
+**     (B) 2nd byte : command block length (high byte)
+**                note ..command block length shouldn't > 2040 bytes,
+**             length excludes these two bytes
+**     (C) 3rd byte : command code
+**     (D) 4th and following bytes : variable length data bytes
+**             depends on command code
+**     (E) last byte : checksum byte (sum of 1st byte until last data byte)
+**  --------------------------------------------------------------------
+**    3. Command code and associated data
+**  --------------------------------------------------------------------
+**     The following are command code defined in raid controller Command
+**     code 0x10--0x1? are used for system level management,
+**     no password checking is needed and should be implemented in separate
+**     well controlled utility and not for end user access.
+**     Command code 0x20--0x?? always check the password,
+**     password must be entered to enable these command.
+**     enum
+**     {
+**             GUI_SET_SERIAL=0x10,
+**             GUI_SET_VENDOR,
+**             GUI_SET_MODEL,
+**             GUI_IDENTIFY,
+**             GUI_CHECK_PASSWORD,
+**             GUI_LOGOUT,
+**             GUI_HTTP,
+**             GUI_SET_ETHERNET_ADDR,
+**             GUI_SET_LOGO,
+**             GUI_POLL_EVENT,
+**             GUI_GET_EVENT,
+**             GUI_GET_HW_MONITOR,
+**             //    GUI_QUICK_CREATE=0x20, (function removed)
+**             GUI_GET_INFO_R=0x20,
+**             GUI_GET_INFO_V,
+**             GUI_GET_INFO_P,
+**             GUI_GET_INFO_S,
+**             GUI_CLEAR_EVENT,
+**             GUI_MUTE_BEEPER=0x30,
+**             GUI_BEEPER_SETTING,
+**             GUI_SET_PASSWORD,
+**             GUI_HOST_INTERFACE_MODE,
+**             GUI_REBUILD_PRIORITY,
+**             GUI_MAX_ATA_MODE,
+**             GUI_RESET_CONTROLLER,
+**             GUI_COM_PORT_SETTING,
+**             GUI_NO_OPERATION,
+**             GUI_DHCP_IP,
+**             GUI_CREATE_PASS_THROUGH=0x40,
+**             GUI_MODIFY_PASS_THROUGH,
+**             GUI_DELETE_PASS_THROUGH,
+**             GUI_IDENTIFY_DEVICE,
+**             GUI_CREATE_RAIDSET=0x50,
+**             GUI_DELETE_RAIDSET,
+**             GUI_EXPAND_RAIDSET,
+**             GUI_ACTIVATE_RAIDSET,
+**             GUI_CREATE_HOT_SPARE,
+**             GUI_DELETE_HOT_SPARE,
+**             GUI_CREATE_VOLUME=0x60,
+**             GUI_MODIFY_VOLUME,
+**             GUI_DELETE_VOLUME,
+**             GUI_START_CHECK_VOLUME,
+**             GUI_STOP_CHECK_VOLUME
+**     };
+**    Command description :
+**     GUI_SET_SERIAL : Set the controller serial#
+**             byte 0,1        : length
+**             byte 2          : command code 0x10
+**             byte 3          : password length (should be 0x0f)
+**             byte 4-0x13     : should be "ArEcATecHnoLogY"
+**             byte 0x14--0x23 : Serial number string (must be 16 bytes)
+**      GUI_SET_VENDOR : Set vendor string for the controller
+**             byte 0,1        : length
+**             byte 2          : command code 0x11
+**             byte 3          : password length (should be 0x08)
+**             byte 4-0x13     : should be "ArEcAvAr"
+**             byte 0x14--0x3B : vendor string (must be 40 bytes)
+**      GUI_SET_MODEL : Set the model name of the controller
+**             byte 0,1        : length
+**             byte 2          : command code 0x12
+**             byte 3          : password length (should be 0x08)
+**             byte 4-0x13     : should be "ArEcAvAr"
+**             byte 0x14--0x1B : model string (must be 8 bytes)
+**      GUI_IDENTIFY : Identify device
+**             byte 0,1        : length
+**             byte 2          : command code 0x13
+**                               return "Areca RAID Subsystem "
+**      GUI_CHECK_PASSWORD : Verify password
+**             byte 0,1        : length
+**             byte 2          : command code 0x14
+**             byte 3          : password length
+**             byte 4-0x??     : user password to be checked
+**      GUI_LOGOUT : Logout GUI (force password checking on next command)
+**             byte 0,1        : length
+**             byte 2          : command code 0x15
+**      GUI_HTTP : HTTP interface (reserved for Http proxy service)(0x16)
+**
+**      GUI_SET_ETHERNET_ADDR : Set the ethernet MAC address
+**             byte 0,1        : length
+**             byte 2          : command code 0x17
+**             byte 3          : password length (should be 0x08)
+**             byte 4-0x13     : should be "ArEcAvAr"
+**             byte 0x14--0x19 : Ethernet MAC address (must be 6 bytes)
+**      GUI_SET_LOGO : Set logo in HTTP
+**             byte 0,1        : length
+**             byte 2          : command code 0x18
+**             byte 3          : Page# (0/1/2/3) (0xff --> clear OEM logo)
+**             byte 4/5/6/7    : 0x55/0xaa/0xa5/0x5a
+**             byte 8          : TITLE.JPG data (each page must be 2000 bytes)
+**                               note page0 1st 2 byte must be
+**                                     actual length of the JPG file
+**      GUI_POLL_EVENT : Poll If Event Log Changed
+**             byte 0,1        : length
+**             byte 2          : command code 0x19
+**      GUI_GET_EVENT : Read Event
+**             byte 0,1        : length
+**             byte 2          : command code 0x1a
+**             byte 3          : Event Page (0:1st page/1/2/3:last page)
+**      GUI_GET_HW_MONITOR : Get HW monitor data
+**             byte 0,1        : length
+**             byte 2                  : command code 0x1b
+**             byte 3                  : # of FANs(example 2)
+**             byte 4                  : # of Voltage sensor(example 3)
+**             byte 5                  : # of temperature sensor(example 2)
+**             byte 6                  : # of power
+**             byte 7/8        : Fan#0 (RPM)
+**             byte 9/10       : Fan#1
+**             byte 11/12              : Voltage#0 original value in *1000
+**             byte 13/14              : Voltage#0 value
+**             byte 15/16              : Voltage#1 org
+**             byte 17/18              : Voltage#1
+**             byte 19/20              : Voltage#2 org
+**             byte 21/22              : Voltage#2
+**             byte 23                 : Temp#0
+**             byte 24                 : Temp#1
+**             byte 25                 : Power indicator (bit0 : power#0,
+**                                              bit1 : power#1)
+**             byte 26                 : UPS indicator
+**      GUI_QUICK_CREATE : Quick create raid/volume set
+**         byte 0,1        : length
+**         byte 2          : command code 0x20
+**         byte 3/4/5/6    : raw capacity
+**         byte 7                      : raid level
+**         byte 8                      : stripe size
+**         byte 9                      : spare
+**         byte 10/11/12/13: device mask (the devices to create raid/volume)
+**             This function is removed, application like
+**             to implement quick create function
+**     need to use GUI_CREATE_RAIDSET and GUI_CREATE_VOLUMESET function.
+**      GUI_GET_INFO_R : Get Raid Set Information
+**             byte 0,1        : length
+**             byte 2          : command code 0x20
+**             byte 3          : raidset#
+**     typedef struct sGUI_RAIDSET
+**     {
+**             BYTE grsRaidSetName[16];
+**             DWORD grsCapacity;
+**             DWORD grsCapacityX;
+**             DWORD grsFailMask;
+**             BYTE grsDevArray[32];
+**             BYTE grsMemberDevices;
+**             BYTE grsNewMemberDevices;
+**             BYTE grsRaidState;
+**             BYTE grsVolumes;
+**             BYTE grsVolumeList[16];
+**             BYTE grsRes1;
+**             BYTE grsRes2;
+**             BYTE grsRes3;
+**             BYTE grsFreeSegments;
+**             DWORD grsRawStripes[8];
+**             DWORD grsRes4;
+**             DWORD grsRes5; //     Total to 128 bytes
+**             DWORD grsRes6; //     Total to 128 bytes
+**     } sGUI_RAIDSET, *pGUI_RAIDSET;
+**      GUI_GET_INFO_V : Get Volume Set Information
+**             byte 0,1        : length
+**             byte 2          : command code 0x21
+**             byte 3          : volumeset#
+**     typedef struct sGUI_VOLUMESET
+**     {
+**             BYTE gvsVolumeName[16]; //     16
+**             DWORD gvsCapacity;
+**             DWORD gvsCapacityX;
+**             DWORD gvsFailMask;
+**             DWORD gvsStripeSize;
+**             DWORD gvsNewFailMask;
+**             DWORD gvsNewStripeSize;
+**             DWORD gvsVolumeStatus;
+**             DWORD gvsProgress; //     32
+**             sSCSI_ATTR gvsScsi;
+**             BYTE gvsMemberDisks;
+**             BYTE gvsRaidLevel; //     8
+**             BYTE gvsNewMemberDisks;
+**             BYTE gvsNewRaidLevel;
+**             BYTE gvsRaidSetNumber;
+**             BYTE gvsRes0; //     4
+**             BYTE gvsRes1[4]; //     64 bytes
+**     } sGUI_VOLUMESET, *pGUI_VOLUMESET;
+**      GUI_GET_INFO_P : Get Physical Drive Information
+**             byte 0,1        : length
+**             byte 2          : command code 0x22
+**             byte 3          : drive # (from 0 to max-channels - 1)
+**     typedef struct sGUI_PHY_DRV
+**     {
+**             BYTE gpdModelName[40];
+**             BYTE gpdSerialNumber[20];
+**             BYTE gpdFirmRev[8];
+**             DWORD gpdCapacity;
+**             DWORD gpdCapacityX; //     Reserved for expansion
+**             BYTE gpdDeviceState;
+**             BYTE gpdPioMode;
+**             BYTE gpdCurrentUdmaMode;
+**             BYTE gpdUdmaMode;
+**             BYTE gpdDriveSelect;
+**             BYTE gpdRaidNumber; //     0xff if not belongs to a raid set
+**             sSCSI_ATTR gpdScsi;
+**             BYTE gpdReserved[40]; //     Total to 128 bytes
+**     } sGUI_PHY_DRV, *pGUI_PHY_DRV;
+**     GUI_GET_INFO_S : Get System Information
+**             byte 0,1        : length
+**             byte 2          : command code 0x23
+**     typedef struct sCOM_ATTR
+**     {
+**             BYTE comBaudRate;
+**             BYTE comDataBits;
+**             BYTE comStopBits;
+**             BYTE comParity;
+**             BYTE comFlowControl;
+**     } sCOM_ATTR, *pCOM_ATTR;
+**     typedef struct sSYSTEM_INFO
+**     {
+**             BYTE gsiVendorName[40];
+**             BYTE gsiSerialNumber[16];
+**             BYTE gsiFirmVersion[16];
+**             BYTE gsiBootVersion[16];
+**             BYTE gsiMbVersion[16];
+**             BYTE gsiModelName[8];
+**             BYTE gsiLocalIp[4];
+**             BYTE gsiCurrentIp[4];
+**             DWORD gsiTimeTick;
+**             DWORD gsiCpuSpeed;
+**             DWORD gsiICache;
+**             DWORD gsiDCache;
+**             DWORD gsiScache;
+**             DWORD gsiMemorySize;
+**             DWORD gsiMemorySpeed;
+**             DWORD gsiEvents;
+**             BYTE gsiMacAddress[6];
+**             BYTE gsiDhcp;
+**             BYTE gsiBeeper;
+**             BYTE gsiChannelUsage;
+**             BYTE gsiMaxAtaMode;
+**             BYTE gsiSdramEcc; //     1:if ECC enabled
+**             BYTE gsiRebuildPriority;
+**             sCOM_ATTR gsiComA; //     5 bytes
+**             sCOM_ATTR gsiComB; //     5 bytes
+**             BYTE gsiIdeChannels;
+**             BYTE gsiScsiHostChannels;
+**             BYTE gsiIdeHostChannels;
+**             BYTE gsiMaxVolumeSet;
+**             BYTE gsiMaxRaidSet;
+**             BYTE gsiEtherPort; //     1:if ether net port supported
+**             BYTE gsiRaid6Engine; //     1:Raid6 engine supported
+**             BYTE gsiRes[75];
+**     } sSYSTEM_INFO, *pSYSTEM_INFO;
+**     GUI_CLEAR_EVENT : Clear System Event
+**             byte 0,1        : length
+**             byte 2          : command code 0x24
+**      GUI_MUTE_BEEPER : Mute current beeper
+**             byte 0,1        : length
+**             byte 2          : command code 0x30
+**      GUI_BEEPER_SETTING : Disable beeper
+**             byte 0,1        : length
+**             byte 2          : command code 0x31
+**             byte 3          : 0->disable, 1->enable
+**      GUI_SET_PASSWORD : Change password
+**             byte 0,1        : length
+**             byte 2                  : command code 0x32
+**             byte 3                  : pass word length ( must <= 15 )
+**             byte 4                  : password (must be alpha-numerical)
+**     GUI_HOST_INTERFACE_MODE : Set host interface mode
+**             byte 0,1        : length
+**             byte 2                  : command code 0x33
+**             byte 3                  : 0->Independent, 1->cluster
+**      GUI_REBUILD_PRIORITY : Set rebuild priority
+**             byte 0,1        : length
+**             byte 2                  : command code 0x34
+**             byte 3                  : 0/1/2/3 (low->high)
+**      GUI_MAX_ATA_MODE : Set maximum ATA mode to be used
+**             byte 0,1        : length
+**             byte 2                  : command code 0x35
+**             byte 3                  : 0/1/2/3 (133/100/66/33)
+**      GUI_RESET_CONTROLLER : Reset Controller
+**             byte 0,1        : length
+**             byte 2          : command code 0x36
+**                            *Response with VT100 screen (discard it)
+**      GUI_COM_PORT_SETTING : COM port setting
+**             byte 0,1        : length
+**             byte 2                  : command code 0x37
+**             byte 3                  : 0->COMA (term port),
+**                                       1->COMB (debug port)
+**             byte 4                  : 0/1/2/3/4/5/6/7
+**                     (1200/2400/4800/9600/19200/38400/57600/115200)
+**             byte 5                  : data bit
+**                                     (0:7 bit, 1:8 bit : must be 8 bit)
+**             byte 6                  : stop bit (0:1, 1:2 stop bits)
+**             byte 7                  : parity (0:none, 1:off, 2:even)
+**             byte 8                  : flow control
+**                     (0:none, 1:xon/xoff, 2:hardware => must use none)
+**      GUI_NO_OPERATION : No operation
+**             byte 0,1        : length
+**             byte 2          : command code 0x38
+**      GUI_DHCP_IP : Set DHCP option and local IP address
+**             byte 0,1        : length
+**             byte 2          : command code 0x39
+**             byte 3          : 0:dhcp disabled, 1:dhcp enabled
+**             byte 4/5/6/7    : IP address
+**      GUI_CREATE_PASS_THROUGH : Create pass through disk
+**             byte 0,1        : length
+**             byte 2                  : command code 0x40
+**             byte 3                  : device #
+**             byte 4                  : scsi channel (0/1)
+**             byte 5                  : scsi id (0-->15)
+**             byte 6                  : scsi lun (0-->7)
+**             byte 7                  : tagged queue (1 : enabled)
+**             byte 8                  : cache mode (1 : enabled)
+**             byte 9                  : max speed (0/1/2/3/4,
+**                     async/20/40/80/160 for scsi)
+**                     (0/1/2/3/4, 33/66/100/133/150 for ide  )
+**      GUI_MODIFY_PASS_THROUGH : Modify pass through disk
+**             byte 0,1        : length
+**             byte 2                  : command code 0x41
+**             byte 3                  : device #
+**             byte 4                  : scsi channel (0/1)
+**             byte 5                  : scsi id (0-->15)
+**             byte 6                  : scsi lun (0-->7)
+**             byte 7                  : tagged queue (1 : enabled)
+**             byte 8                  : cache mode (1 : enabled)
+**             byte 9                  : max speed (0/1/2/3/4,
+**                                     async/20/40/80/160 for scsi)
+**                     (0/1/2/3/4, 33/66/100/133/150 for ide  )
+**      GUI_DELETE_PASS_THROUGH : Delete pass through disk
+**             byte 0,1        : length
+**             byte 2          : command code 0x42
+**             byte 3          : device# to be deleted
+**      GUI_IDENTIFY_DEVICE : Identify Device
+**             byte 0,1        : length
+**             byte 2          : command code 0x43
+**             byte 3          : Flash Method
+**                             (0:flash selected, 1:flash not selected)
+**             byte 4/5/6/7    : IDE device mask to be flashed
+**                           note .... no response data available
+**     GUI_CREATE_RAIDSET : Create Raid Set
+**             byte 0,1        : length
+**             byte 2          : command code 0x50
+**             byte 3/4/5/6    : device mask
+**             byte 7-22       : raidset name (if byte 7 == 0:use default)
+**      GUI_DELETE_RAIDSET : Delete Raid Set
+**             byte 0,1        : length
+**             byte 2          : command code 0x51
+**             byte 3          : raidset#
+**     GUI_EXPAND_RAIDSET : Expand Raid Set
+**             byte 0,1        : length
+**             byte 2          : command code 0x52
+**             byte 3          : raidset#
+**             byte 4/5/6/7    : device mask for expansion
+**             byte 8/9/10     : (8:0 no change, 1 change, 0xff:terminate,
+**                             9:new raid level,
+**                             10:new stripe size
+**                             0/1/2/3/4/5->4/8/16/32/64/128K )
+**             byte 11/12/13   : repeat for each volume in the raidset
+**      GUI_ACTIVATE_RAIDSET : Activate incomplete raid set
+**             byte 0,1        : length
+**             byte 2          : command code 0x53
+**             byte 3          : raidset#
+**      GUI_CREATE_HOT_SPARE : Create hot spare disk
+**             byte 0,1        : length
+**             byte 2          : command code 0x54
+**             byte 3/4/5/6    : device mask for hot spare creation
+**     GUI_DELETE_HOT_SPARE : Delete hot spare disk
+**             byte 0,1        : length
+**             byte 2          : command code 0x55
+**             byte 3/4/5/6    : device mask for hot spare deletion
+**     GUI_CREATE_VOLUME : Create volume set
+**             byte 0,1        : length
+**             byte 2          : command code 0x60
+**             byte 3          : raidset#
+**             byte 4-19       : volume set name
+**                             (if byte4 == 0, use default)
+**             byte 20-27      : volume capacity (blocks)
+**             byte 28                 : raid level
+**             byte 29                 : stripe size
+**                             (0/1/2/3/4/5->4/8/16/32/64/128K)
+**             byte 30                 : channel
+**             byte 31                 : ID
+**             byte 32                 : LUN
+**             byte 33                 : 1 enable tag
+**             byte 34                 : 1 enable cache
+**             byte 35                 : speed
+**             (0/1/2/3/4->async/20/40/80/160 for scsi)
+**             (0/1/2/3/4->33/66/100/133/150 for IDE  )
+**             byte 36                 : 1 to select quick init
+**
+**     GUI_MODIFY_VOLUME : Modify volume Set
+**             byte 0,1        : length
+**             byte 2          : command code 0x61
+**             byte 3          : volumeset#
+**             byte 4-19       : new volume set name
+**             (if byte4 == 0, not change)
+**             byte 20-27      : new volume capacity (reserved)
+**             byte 28                 : new raid level
+**             byte 29                 : new stripe size
+**             (0/1/2/3/4/5->4/8/16/32/64/128K)
+**             byte 30                 : new channel
+**             byte 31                 : new ID
+**             byte 32                 : new LUN
+**             byte 33                 : 1 enable tag
+**             byte 34                 : 1 enable cache
+**             byte 35                 : speed
+**             (0/1/2/3/4->async/20/40/80/160 for scsi)
+**             (0/1/2/3/4->33/66/100/133/150 for IDE  )
+**     GUI_DELETE_VOLUME : Delete volume set
+**             byte 0,1        : length
+**             byte 2          : command code 0x62
+**             byte 3          : volumeset#
+**     GUI_START_CHECK_VOLUME : Start volume consistency check
+**             byte 0,1        : length
+**             byte 2          : command code 0x63
+**             byte 3          : volumeset#
+**     GUI_STOP_CHECK_VOLUME : Stop volume consistency check
+**             byte 0,1        : length
+**             byte 2          : command code 0x64
+** ---------------------------------------------------------------------
+**    4. Returned data
+** ---------------------------------------------------------------------
+**     (A) Header          : 3 bytes sequence (0x5E, 0x01, 0x61)
+**     (B) Length          : 2 bytes
+**                     (low byte 1st, excludes length and checksum byte)
+**     (C) status or data  :
+**           <1> If length == 1 ==> 1 byte status code
+**             #define GUI_OK                    0x41
+**             #define GUI_RAIDSET_NOT_NORMAL    0x42
+**             #define GUI_VOLUMESET_NOT_NORMAL  0x43
+**             #define GUI_NO_RAIDSET            0x44
+**             #define GUI_NO_VOLUMESET          0x45
+**             #define GUI_NO_PHYSICAL_DRIVE     0x46
+**             #define GUI_PARAMETER_ERROR       0x47
+**             #define GUI_UNSUPPORTED_COMMAND   0x48
+**             #define GUI_DISK_CONFIG_CHANGED   0x49
+**             #define GUI_INVALID_PASSWORD      0x4a
+**             #define GUI_NO_DISK_SPACE         0x4b
+**             #define GUI_CHECKSUM_ERROR        0x4c
+**             #define GUI_PASSWORD_REQUIRED     0x4d
+**           <2> If length > 1 ==>
+**             data block returned from controller
+**             and the contents depends on the command code
+**     (E) Checksum        : checksum of length and status or data byte
+**************************************************************************
index 4cd23c3..a360215 100644 (file)
@@ -7115,7 +7115,7 @@ static struct pci_device_id DAC960_id_table[] = {
        {
                .vendor         = PCI_VENDOR_ID_MYLEX,
                .device         = PCI_DEVICE_ID_MYLEX_DAC960_GEM,
-               .subvendor      = PCI_ANY_ID,
+               .subvendor      = PCI_VENDOR_ID_MYLEX,
                .subdevice      = PCI_ANY_ID,
                .driver_data    = (unsigned long) &DAC960_GEM_privdata,
        },
index afdff32..05f79d7 100644 (file)
@@ -251,10 +251,6 @@ scsi_cmd_stack_free(int ctlr)
        stk->pool = NULL;
 }
 
-/* scsi_device_types comes from scsi.h */
-#define DEVICETYPE(n) (n<0 || n>MAX_SCSI_DEVICE_CODE) ? \
-       "Unknown" : scsi_device_types[n]
-
 #if 0
 static int xmargin=8;
 static int amargin=60;
@@ -389,7 +385,7 @@ cciss_scsi_add_entry(int ctlr, int hostno,
           time anyway (the scsi layer's inquiries will show that info) */
        if (hostno != -1)
                printk("cciss%d: %s device c%db%dt%dl%d added.\n", 
-                       ctlr, DEVICETYPE(sd->devtype), hostno, 
+                       ctlr, scsi_device_type(sd->devtype), hostno,
                        sd->bus, sd->target, sd->lun);
        return 0;
 }
@@ -407,7 +403,7 @@ cciss_scsi_remove_entry(int ctlr, int hostno, int entry)
                ccissscsi[ctlr].dev[i] = ccissscsi[ctlr].dev[i+1];
        ccissscsi[ctlr].ndevices--;
        printk("cciss%d: %s device c%db%dt%dl%d removed.\n",
-               ctlr, DEVICETYPE(sd.devtype), hostno, 
+               ctlr, scsi_device_type(sd.devtype), hostno,
                        sd.bus, sd.target, sd.lun);
 }
 
@@ -458,7 +454,7 @@ adjust_cciss_scsi_table(int ctlr, int hostno,
                if (found == 0) { /* device no longer present. */ 
                        changes++;
                        /* printk("cciss%d: %s device c%db%dt%dl%d removed.\n",
-                               ctlr, DEVICETYPE(csd->devtype), hostno, 
+                               ctlr, scsi_device_type(csd->devtype), hostno,
                                        csd->bus, csd->target, csd->lun); */
                        cciss_scsi_remove_entry(ctlr, hostno, i);
                        /* note, i not incremented */
@@ -468,7 +464,7 @@ adjust_cciss_scsi_table(int ctlr, int hostno,
                        printk("cciss%d: device c%db%dt%dl%d type changed "
                                "(device type now %s).\n",
                                ctlr, hostno, csd->bus, csd->target, csd->lun,
-                                       DEVICETYPE(csd->devtype));
+                                       scsi_device_type(csd->devtype));
                        csd->devtype = sd[j].devtype;
                        i++;    /* so just move along. */
                } else          /* device is same as it ever was, */
@@ -1098,7 +1094,7 @@ cciss_update_non_disk_devices(int cntl_num, int hostno)
                        if (ncurrent >= CCISS_MAX_SCSI_DEVS_PER_HBA) {
                                printk(KERN_INFO "cciss%d: %s ignored, "
                                        "too many devices.\n", cntl_num,
-                                       DEVICETYPE(devtype));
+                                       scsi_device_type(devtype));
                                break;
                        }
                        memcpy(&currentsd[ncurrent].scsi3addr[0], 
index 85696f3..e57bb03 100644 (file)
@@ -162,7 +162,13 @@ static struct fc_function_template mptfc_transport_functions = {
        .show_starget_port_id = 1,
        .set_rport_dev_loss_tmo = mptfc_set_rport_loss_tmo,
        .show_rport_dev_loss_tmo = 1,
-
+       .show_host_supported_speeds = 1,
+       .show_host_maxframe_size = 1,
+       .show_host_speed = 1,
+       .show_host_fabric_name = 1,
+       .show_host_port_type = 1,
+       .show_host_port_state = 1,
+       .show_host_symbolic_name = 1,
 };
 
 static void
@@ -839,33 +845,95 @@ mptfc_SetFcPortPage1_defaults(MPT_ADAPTER *ioc)
 static void
 mptfc_init_host_attr(MPT_ADAPTER *ioc,int portnum)
 {
-       unsigned class = 0, cos = 0;
+       unsigned        class = 0;
+       unsigned        cos = 0;
+       unsigned        speed;
+       unsigned        port_type;
+       unsigned        port_state;
+       FCPortPage0_t   *pp0;
+       struct Scsi_Host *sh;
+       char            *sn;
 
        /* don't know what to do as only one scsi (fc) host was allocated */
        if (portnum != 0)
                return;
 
-       class = ioc->fc_port_page0[portnum].SupportedServiceClass;
+       pp0 = &ioc->fc_port_page0[portnum];
+       sh = ioc->sh;
+
+       sn = fc_host_symbolic_name(sh);
+       snprintf(sn, FC_SYMBOLIC_NAME_SIZE, "%s %s%08xh",
+           ioc->prod_name,
+           MPT_FW_REV_MAGIC_ID_STRING,
+           ioc->facts.FWVersion.Word);
+
+       fc_host_tgtid_bind_type(sh) = FC_TGTID_BIND_BY_WWPN;
+
+       fc_host_maxframe_size(sh) = pp0->MaxFrameSize;
+
+       fc_host_node_name(sh) =
+               (u64)pp0->WWNN.High << 32 | (u64)pp0->WWNN.Low;
+
+       fc_host_port_name(sh) =
+               (u64)pp0->WWPN.High << 32 | (u64)pp0->WWPN.Low;
+
+       fc_host_port_id(sh) = pp0->PortIdentifier;
+
+       class = pp0->SupportedServiceClass;
        if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_1)
                cos |= FC_COS_CLASS1;
        if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_2)
                cos |= FC_COS_CLASS2;
        if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_3)
                cos |= FC_COS_CLASS3;
+       fc_host_supported_classes(sh) = cos;
+
+       if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_1GBIT)
+               speed = FC_PORTSPEED_1GBIT;
+       else if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_2GBIT)
+               speed = FC_PORTSPEED_2GBIT;
+       else if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_4GBIT)
+               speed = FC_PORTSPEED_4GBIT;
+       else if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_10GBIT)
+               speed = FC_PORTSPEED_10GBIT;
+       else
+               speed = FC_PORTSPEED_UNKNOWN;
+       fc_host_speed(sh) = speed;
+
+       speed = 0;
+       if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_1GBIT_SPEED)
+               speed |= FC_PORTSPEED_1GBIT;
+       if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_2GBIT_SPEED)
+               speed |= FC_PORTSPEED_2GBIT;
+       if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_4GBIT_SPEED)
+               speed |= FC_PORTSPEED_4GBIT;
+       if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_10GBIT_SPEED)
+               speed |= FC_PORTSPEED_10GBIT;
+       fc_host_supported_speeds(sh) = speed;
+
+       port_state = FC_PORTSTATE_UNKNOWN;
+       if (pp0->PortState == MPI_FCPORTPAGE0_PORTSTATE_ONLINE)
+               port_state = FC_PORTSTATE_ONLINE;
+       else if (pp0->PortState == MPI_FCPORTPAGE0_PORTSTATE_OFFLINE)
+               port_state = FC_PORTSTATE_LINKDOWN;
+       fc_host_port_state(sh) = port_state;
+
+       port_type = FC_PORTTYPE_UNKNOWN;
+       if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_POINT_TO_POINT)
+               port_type = FC_PORTTYPE_PTP;
+       else if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_PRIVATE_LOOP)
+               port_type = FC_PORTTYPE_LPORT;
+       else if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_PUBLIC_LOOP)
+               port_type = FC_PORTTYPE_NLPORT;
+       else if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_FABRIC_DIRECT)
+               port_type = FC_PORTTYPE_NPORT;
+       fc_host_port_type(sh) = port_type;
+
+       fc_host_fabric_name(sh) =
+           (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_FABRIC_WWN_VALID) ?
+               (u64) pp0->FabricWWNN.High << 32 | (u64) pp0->FabricWWPN.Low :
+               (u64)pp0->WWNN.High << 32 | (u64)pp0->WWNN.Low;
 
-       fc_host_node_name(ioc->sh) =
-               (u64)ioc->fc_port_page0[portnum].WWNN.High << 32
-                   | (u64)ioc->fc_port_page0[portnum].WWNN.Low;
-
-       fc_host_port_name(ioc->sh) =
-               (u64)ioc->fc_port_page0[portnum].WWPN.High << 32
-                   | (u64)ioc->fc_port_page0[portnum].WWPN.Low;
-
-       fc_host_port_id(ioc->sh) = ioc->fc_port_page0[portnum].PortIdentifier;
-
-       fc_host_supported_classes(ioc->sh) = cos;
-
-       fc_host_tgtid_bind_type(ioc->sh) = FC_TGTID_BIND_BY_WWPN;
 }
 
 static void
index f66f220..dfdd1e4 100644 (file)
@@ -1642,14 +1642,18 @@ static int mptsas_probe_one_phy(struct device *dev,
 
                        for (i = 0; i < port_info->num_phys; i++)
                                if (port_info->phy_info[i].identify.sas_address ==
-                                   identify.sas_address)
+                                   identify.sas_address) {
+                                       sas_port_mark_backlink(port);
                                        goto out;
+                               }
 
                } else if (scsi_is_sas_rphy(parent)) {
                        struct sas_rphy *parent_rphy = dev_to_rphy(parent);
                        if (identify.sas_address ==
-                           parent_rphy->identify.sas_address)
+                           parent_rphy->identify.sas_address) {
+                               sas_port_mark_backlink(port);
                                goto out;
+                       }
                }
 
                switch (identify.device_type) {
index 16a12a3..59d1ada 100644 (file)
@@ -2176,6 +2176,7 @@ static int __init BusLogic_init(void)
 {
        int BusLogicHostAdapterCount = 0, DriverOptionsIndex = 0, ProbeIndex;
        struct BusLogic_HostAdapter *PrototypeHostAdapter;
+       int ret = 0;
 
 #ifdef MODULE
        if (BusLogic)
@@ -2282,25 +2283,49 @@ static int __init BusLogic_init(void)
                   perform Target Device Inquiry.
                 */
                if (BusLogic_ReadHostAdapterConfiguration(HostAdapter) &&
-                   BusLogic_ReportHostAdapterConfiguration(HostAdapter) && BusLogic_AcquireResources(HostAdapter) && BusLogic_CreateInitialCCBs(HostAdapter) && BusLogic_InitializeHostAdapter(HostAdapter) && BusLogic_TargetDeviceInquiry(HostAdapter)) {
+                   BusLogic_ReportHostAdapterConfiguration(HostAdapter) &&
+                   BusLogic_AcquireResources(HostAdapter) &&
+                   BusLogic_CreateInitialCCBs(HostAdapter) &&
+                   BusLogic_InitializeHostAdapter(HostAdapter) &&
+                   BusLogic_TargetDeviceInquiry(HostAdapter)) {
                        /*
                           Initialization has been completed successfully.  Release and
                           re-register usage of the I/O Address range so that the Model
                           Name of the Host Adapter will appear, and initialize the SCSI
                           Host structure.
                         */
-                       release_region(HostAdapter->IO_Address, HostAdapter->AddressCount);
-                       if (!request_region(HostAdapter->IO_Address, HostAdapter->AddressCount, HostAdapter->FullModelName)) {
-                               printk(KERN_WARNING "BusLogic: Release and re-register of " "port 0x%04lx failed \n", (unsigned long) HostAdapter->IO_Address);
+                       release_region(HostAdapter->IO_Address,
+                                      HostAdapter->AddressCount);
+                       if (!request_region(HostAdapter->IO_Address,
+                                           HostAdapter->AddressCount,
+                                           HostAdapter->FullModelName)) {
+                               printk(KERN_WARNING
+                                       "BusLogic: Release and re-register of "
+                                       "port 0x%04lx failed \n",
+                                       (unsigned long)HostAdapter->IO_Address);
                                BusLogic_DestroyCCBs(HostAdapter);
                                BusLogic_ReleaseResources(HostAdapter);
                                list_del(&HostAdapter->host_list);
                                scsi_host_put(Host);
+                               ret = -ENOMEM;
                        } else {
-                               BusLogic_InitializeHostStructure(HostAdapter, Host);
-                               scsi_add_host(Host, HostAdapter->PCI_Device ? &HostAdapter->PCI_Device->dev : NULL);
-                               scsi_scan_host(Host);
-                               BusLogicHostAdapterCount++;
+                               BusLogic_InitializeHostStructure(HostAdapter,
+                                                                Host);
+                               if (scsi_add_host(Host, HostAdapter->PCI_Device
+                                               ? &HostAdapter->PCI_Device->dev
+                                                 : NULL)) {
+                                       printk(KERN_WARNING
+                                              "BusLogic: scsi_add_host()"
+                                              "failed!\n");
+                                       BusLogic_DestroyCCBs(HostAdapter);
+                                       BusLogic_ReleaseResources(HostAdapter);
+                                       list_del(&HostAdapter->host_list);
+                                       scsi_host_put(Host);
+                                       ret = -ENODEV;
+                               } else {
+                                       scsi_scan_host(Host);
+                                       BusLogicHostAdapterCount++;
+                               }
                        }
                } else {
                        /*
@@ -2315,12 +2340,13 @@ static int __init BusLogic_init(void)
                        BusLogic_ReleaseResources(HostAdapter);
                        list_del(&HostAdapter->host_list);
                        scsi_host_put(Host);
+                       ret = -ENODEV;
                }
        }
        kfree(PrototypeHostAdapter);
        kfree(BusLogic_ProbeInfoList);
        BusLogic_ProbeInfoList = NULL;
-       return 0;
+       return ret;
 }
 
 
@@ -2954,6 +2980,7 @@ static int BusLogic_QueueCommand(struct scsi_cmnd *Command, void (*CompletionRou
 }
 
 
+#if 0
 /*
   BusLogic_AbortCommand aborts Command if possible.
 */
@@ -3024,6 +3051,7 @@ static int BusLogic_AbortCommand(struct scsi_cmnd *Command)
        return SUCCESS;
 }
 
+#endif
 /*
   BusLogic_ResetHostAdapter resets Host Adapter if possible, marking all
   currently executing SCSI Commands as having been Reset.
index 96a81cd..d61662c 100644 (file)
@@ -469,6 +469,20 @@ config SCSI_IN2000
          To compile this driver as a module, choose M here: the
          module will be called in2000.
 
+config SCSI_ARCMSR
+       tristate "ARECA ARC11X0[PCI-X]/ARC12X0[PCI-EXPRESS] SATA-RAID support"
+       depends on PCI && SCSI
+       help
+         This driver supports all of ARECA's SATA RAID controller cards.
+         This is an ARECA-maintained driver by Erich Chen.
+         If you have any problems, please mail to: < erich@areca.com.tw >
+         Areca supports Linux RAID config tools.
+
+         < http://www.areca.com.tw >
+
+         To compile this driver as a module, choose M here: the
+         module will be called arcmsr (modprobe arcmsr).
+
 source "drivers/scsi/megaraid/Kconfig.megaraid"
 
 config SCSI_SATA
index ebd0cf0..b2de9bf 100644 (file)
@@ -59,6 +59,7 @@ obj-$(CONFIG_SCSI_PSI240I)    += psi240i.o
 obj-$(CONFIG_SCSI_BUSLOGIC)    += BusLogic.o
 obj-$(CONFIG_SCSI_DPT_I2O)     += dpt_i2o.o
 obj-$(CONFIG_SCSI_U14_34F)     += u14-34f.o
+obj-$(CONFIG_SCSI_ARCMSR)      += arcmsr/
 obj-$(CONFIG_SCSI_ULTRASTOR)   += ultrastor.o
 obj-$(CONFIG_SCSI_AHA152X)     += aha152x.o
 obj-$(CONFIG_SCSI_AHA1542)     += aha1542.o
index 83b5c7d..37c55dd 100644 (file)
@@ -175,7 +175,7 @@ MODULE_PARM_DESC(acbsize, "Request a specific adapter control block (FIB) size.
  *
  *     Query config status, and commit the configuration if needed.
  */
-int aac_get_config_status(struct aac_dev *dev)
+int aac_get_config_status(struct aac_dev *dev, int commit_flag)
 {
        int status = 0;
        struct fib * fibptr;
@@ -219,7 +219,7 @@ int aac_get_config_status(struct aac_dev *dev)
        aac_fib_complete(fibptr);
        /* Send a CT_COMMIT_CONFIG to enable discovery of devices */
        if (status >= 0) {
-               if (commit == 1) {
+               if ((commit == 1) || commit_flag) {
                        struct aac_commit_config * dinfo;
                        aac_fib_init(fibptr);
                        dinfo = (struct aac_commit_config *) fib_data(fibptr);
@@ -489,6 +489,8 @@ int aac_probe_container(struct aac_dev *dev, int cid)
        unsigned instance;
 
        fsa_dev_ptr = dev->fsa_dev;
+       if (!fsa_dev_ptr)
+               return -ENOMEM;
        instance = dev->scsi_host_ptr->unique_id;
 
        if (!(fibptr = aac_fib_alloc(dev)))
@@ -782,8 +784,9 @@ int aac_get_adapter_info(struct aac_dev* dev)
                dev->maximum_num_channels = le32_to_cpu(bus_info->BusCount);
        }
 
-       tmp = le32_to_cpu(dev->adapter_info.kernelrev);
-       printk(KERN_INFO "%s%d: kernel %d.%d-%d[%d] %.*s\n", 
+       if (!dev->in_reset) {
+               tmp = le32_to_cpu(dev->adapter_info.kernelrev);
+               printk(KERN_INFO "%s%d: kernel %d.%d-%d[%d] %.*s\n",
                        dev->name, 
                        dev->id,
                        tmp>>24,
@@ -792,20 +795,21 @@ int aac_get_adapter_info(struct aac_dev* dev)
                        le32_to_cpu(dev->adapter_info.kernelbuild),
                        (int)sizeof(dev->supplement_adapter_info.BuildDate),
                        dev->supplement_adapter_info.BuildDate);
-       tmp = le32_to_cpu(dev->adapter_info.monitorrev);
-       printk(KERN_INFO "%s%d: monitor %d.%d-%d[%d]\n", 
+               tmp = le32_to_cpu(dev->adapter_info.monitorrev);
+               printk(KERN_INFO "%s%d: monitor %d.%d-%d[%d]\n",
                        dev->name, dev->id,
                        tmp>>24,(tmp>>16)&0xff,tmp&0xff,
                        le32_to_cpu(dev->adapter_info.monitorbuild));
-       tmp = le32_to_cpu(dev->adapter_info.biosrev);
-       printk(KERN_INFO "%s%d: bios %d.%d-%d[%d]\n", 
+               tmp = le32_to_cpu(dev->adapter_info.biosrev);
+               printk(KERN_INFO "%s%d: bios %d.%d-%d[%d]\n",
                        dev->name, dev->id,
                        tmp>>24,(tmp>>16)&0xff,tmp&0xff,
                        le32_to_cpu(dev->adapter_info.biosbuild));
-       if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
-               printk(KERN_INFO "%s%d: serial %x\n",
-                       dev->name, dev->id,
-                       le32_to_cpu(dev->adapter_info.serial[0]));
+               if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
+                       printk(KERN_INFO "%s%d: serial %x\n",
+                               dev->name, dev->id,
+                               le32_to_cpu(dev->adapter_info.serial[0]));
+       }
 
        dev->nondasd_support = 0;
        dev->raid_scsi_mode = 0;
@@ -1392,6 +1396,7 @@ static int aac_synchronize(struct scsi_cmnd *scsicmd, int cid)
        struct scsi_cmnd *cmd;
        struct scsi_device *sdev = scsicmd->device;
        int active = 0;
+       struct aac_dev *aac;
        unsigned long flags;
 
        /*
@@ -1413,11 +1418,14 @@ static int aac_synchronize(struct scsi_cmnd *scsicmd, int cid)
        if (active)
                return SCSI_MLQUEUE_DEVICE_BUSY;
 
+       aac = (struct aac_dev *)scsicmd->device->host->hostdata;
+       if (aac->in_reset)
+               return SCSI_MLQUEUE_HOST_BUSY;
+
        /*
         *      Allocate and initialize a Fib
         */
-       if (!(cmd_fibcontext = 
-           aac_fib_alloc((struct aac_dev *)scsicmd->device->host->hostdata)))
+       if (!(cmd_fibcontext = aac_fib_alloc(aac)))
                return SCSI_MLQUEUE_HOST_BUSY;
 
        aac_fib_init(cmd_fibcontext);
@@ -1470,6 +1478,8 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
        struct aac_dev *dev = (struct aac_dev *)host->hostdata;
        struct fsa_dev_info *fsa_dev_ptr = dev->fsa_dev;
        
+       if (fsa_dev_ptr == NULL)
+               return -1;
        /*
         *      If the bus, id or lun is out of range, return fail
         *      Test does not apply to ID 16, the pseudo id for the controller
@@ -1499,6 +1509,8 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
                                case INQUIRY:
                                case READ_CAPACITY:
                                case TEST_UNIT_READY:
+                                       if (dev->in_reset)
+                                               return -1;
                                        spin_unlock_irq(host->host_lock);
                                        aac_probe_container(dev, cid);
                                        if ((fsa_dev_ptr[cid].valid & 1) == 0)
@@ -1524,6 +1536,8 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
                        }
                } else {  /* check for physical non-dasd devices */
                        if(dev->nondasd_support == 1){
+                               if (dev->in_reset)
+                                       return -1;
                                return aac_send_srb_fib(scsicmd);
                        } else {
                                scsicmd->result = DID_NO_CONNECT << 16;
@@ -1579,6 +1593,8 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
                        scsicmd->scsi_done(scsicmd);
                        return 0;
                }
+               if (dev->in_reset)
+                       return -1;
                setinqstr(dev, (void *) (inq_data.inqd_vid), fsa_dev_ptr[cid].type);
                inq_data.inqd_pdt = INQD_PDT_DA;        /* Direct/random access device */
                aac_internal_transfer(scsicmd, &inq_data, 0, sizeof(inq_data));
@@ -1734,6 +1750,8 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
                case READ_10:
                case READ_12:
                case READ_16:
+                       if (dev->in_reset)
+                               return -1;
                        /*
                         *      Hack to keep track of ordinal number of the device that
                         *      corresponds to a container. Needed to convert
@@ -1752,6 +1770,8 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
                case WRITE_10:
                case WRITE_12:
                case WRITE_16:
+                       if (dev->in_reset)
+                               return -1;
                        return aac_write(scsicmd, cid);
 
                case SYNCHRONIZE_CACHE:
@@ -1782,6 +1802,8 @@ static int query_disk(struct aac_dev *dev, void __user *arg)
        struct fsa_dev_info *fsa_dev_ptr;
 
        fsa_dev_ptr = dev->fsa_dev;
+       if (!fsa_dev_ptr)
+               return -ENODEV;
        if (copy_from_user(&qd, arg, sizeof (struct aac_query_disk)))
                return -EFAULT;
        if (qd.cnum == -1)
@@ -1843,6 +1865,10 @@ static int delete_disk(struct aac_dev *dev, void __user *arg)
        struct fsa_dev_info *fsa_dev_ptr;
 
        fsa_dev_ptr = dev->fsa_dev;
+       if (!fsa_dev_ptr)
+               return -ENODEV;
+       if (!fsa_dev_ptr)
+               return -ENODEV;
 
        if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
                return -EFAULT;
index d0eecd4..8924c18 100644 (file)
@@ -1029,6 +1029,7 @@ struct aac_dev
          init->InitStructRevision==cpu_to_le32(ADAPTER_INIT_STRUCT_REVISION_4)
        u8                      raw_io_64;
        u8                      printf_enabled;
+       u8                      in_reset;
 };
 
 #define aac_adapter_interrupt(dev) \
@@ -1670,6 +1671,7 @@ extern struct aac_common aac_config;
 #define RCV_TEMP_READINGS              0x00000025
 #define GET_COMM_PREFERRED_SETTINGS    0x00000026
 #define IOP_RESET                      0x00001000
+#define IOP_RESET_ALWAYS               0x00001001
 #define RE_INIT_ADAPTER                        0x000000ee
 
 /*
@@ -1788,7 +1790,7 @@ void aac_consumer_free(struct aac_dev * dev, struct aac_queue * q, u32 qnum);
 int aac_fib_complete(struct fib * context);
 #define fib_data(fibctx) ((void *)(fibctx)->hw_fib->data)
 struct aac_dev *aac_init_adapter(struct aac_dev *dev);
-int aac_get_config_status(struct aac_dev *dev);
+int aac_get_config_status(struct aac_dev *dev, int commit_flag);
 int aac_get_containers(struct aac_dev *dev);
 int aac_scsi_cmd(struct scsi_cmnd *cmd);
 int aac_dev_ioctl(struct aac_dev *dev, int cmd, void __user *arg);
@@ -1799,6 +1801,7 @@ int aac_sa_init(struct aac_dev *dev);
 unsigned int aac_response_normal(struct aac_queue * q);
 unsigned int aac_command_normal(struct aac_queue * q);
 unsigned int aac_intr_normal(struct aac_dev * dev, u32 Index);
+int aac_check_health(struct aac_dev * dev);
 int aac_command_thread(void *data);
 int aac_close_fib_context(struct aac_dev * dev, struct aac_fib_context *fibctx);
 int aac_fib_adapter_complete(struct fib * fibptr, unsigned short size);
index 255421d..da1d3a9 100644 (file)
@@ -38,7 +38,7 @@
 #include <linux/completion.h>
 #include <linux/dma-mapping.h>
 #include <linux/blkdev.h>
-#include <linux/delay.h>
+#include <linux/delay.h> /* ssleep prototype */
 #include <linux/kthread.h>
 #include <asm/semaphore.h>
 #include <asm/uaccess.h>
@@ -140,7 +140,8 @@ cleanup:
                fibptr->hw_fib_pa = hw_fib_pa;
                fibptr->hw_fib = hw_fib;
        }
-       aac_fib_free(fibptr);
+       if (retval != -EINTR)
+               aac_fib_free(fibptr);
        return retval;
 }
 
@@ -297,7 +298,7 @@ return_fib:
                spin_unlock_irqrestore(&dev->fib_lock, flags);
                /* If someone killed the AIF aacraid thread, restart it */
                status = !dev->aif_thread;
-               if (status && dev->queues && dev->fsa_dev) {
+               if (status && !dev->in_reset && dev->queues && dev->fsa_dev) {
                        /* Be paranoid, be very paranoid! */
                        kthread_stop(dev->thread);
                        ssleep(1);
@@ -621,7 +622,13 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg)
 
                actual_fibsize = sizeof (struct aac_srb) + (((user_srbcmd->sg.count & 0xff) - 1) * sizeof (struct sgentry));
                if(actual_fibsize != fibsize){ // User made a mistake - should not continue
-                       dprintk((KERN_DEBUG"aacraid: Bad Size specified in Raw SRB command\n"));
+                       dprintk((KERN_DEBUG"aacraid: Bad Size specified in "
+                         "Raw SRB command calculated fibsize=%d "
+                         "user_srbcmd->sg.count=%d aac_srb=%d sgentry=%d "
+                         "issued fibsize=%d\n",
+                         actual_fibsize, user_srbcmd->sg.count,
+                         sizeof(struct aac_srb), sizeof(struct sgentry),
+                         fibsize));
                        rcode = -EINVAL;
                        goto cleanup;
                }
@@ -663,6 +670,10 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg)
                psg->count = cpu_to_le32(sg_indx+1);
                status = aac_fib_send(ScsiPortCommand, srbfib, actual_fibsize, FsaNormal, 1, 1, NULL, NULL);
        }
+       if (status == -EINTR) {
+               rcode = -EINTR;
+               goto cleanup;
+       }
 
        if (status != 0){
                dprintk((KERN_DEBUG"aacraid: Could not send raw srb fib to hba\n")); 
@@ -696,8 +707,10 @@ cleanup:
        for(i=0; i <= sg_indx; i++){
                kfree(sg_list[i]);
        }
-       aac_fib_complete(srbfib);
-       aac_fib_free(srbfib);
+       if (rcode != -EINTR) {
+               aac_fib_complete(srbfib);
+               aac_fib_free(srbfib);
+       }
 
        return rcode;
 }
index 1cd3584..87a9550 100644 (file)
@@ -180,7 +180,7 @@ int aac_send_shutdown(struct aac_dev * dev)
                          -2 /* Timeout silently */, 1,
                          NULL, NULL);
 
-       if (status == 0)
+       if (status >= 0)
                aac_fib_complete(fibctx);
        aac_fib_free(fibctx);
        return status;
index 3f27419..53add53 100644 (file)
 #include <linux/blkdev.h>
 #include <linux/delay.h>
 #include <linux/kthread.h>
+#include <scsi/scsi.h>
 #include <scsi/scsi_host.h>
 #include <scsi/scsi_device.h>
+#include <scsi/scsi_cmnd.h>
 #include <asm/semaphore.h>
 
 #include "aacraid.h"
@@ -464,6 +466,8 @@ int aac_fib_send(u16 command, struct fib *fibptr, unsigned long size,
        dprintk((KERN_DEBUG "  hw_fib pa being sent=%lx\n",(ulong)fibptr->hw_fib_pa));
        dprintk((KERN_DEBUG "  fib being sent=%p\n",fibptr));
 
+       if (!dev->queues)
+               return -ENODEV;
        q = &dev->queues->queue[AdapNormCmdQueue];
 
        if(wait)
@@ -527,8 +531,15 @@ int aac_fib_send(u16 command, struct fib *fibptr, unsigned long size,
                                }
                                udelay(5);
                        }
-               } else
-                       down(&fibptr->event_wait);
+               } else if (down_interruptible(&fibptr->event_wait)) {
+                       spin_lock_irqsave(&fibptr->event_lock, flags);
+                       if (fibptr->done == 0) {
+                               fibptr->done = 2; /* Tell interrupt we aborted */
+                               spin_unlock_irqrestore(&fibptr->event_lock, flags);
+                               return -EINTR;
+                       }
+                       spin_unlock_irqrestore(&fibptr->event_lock, flags);
+               }
                BUG_ON(fibptr->done == 0);
                        
                if((fibptr->flags & FIB_CONTEXT_FLAG_TIMED_OUT)){
@@ -795,7 +806,7 @@ static void aac_handle_aif(struct aac_dev * dev, struct fib * fibptr)
 
        /* Sniff for container changes */
 
-       if (!dev)
+       if (!dev || !dev->fsa_dev)
                return;
        container = (u32)-1;
 
@@ -1045,6 +1056,262 @@ static void aac_handle_aif(struct aac_dev * dev, struct fib * fibptr)
 
 }
 
+static int _aac_reset_adapter(struct aac_dev *aac)
+{
+       int index, quirks;
+       u32 ret;
+       int retval;
+       struct Scsi_Host *host;
+       struct scsi_device *dev;
+       struct scsi_cmnd *command;
+       struct scsi_cmnd *command_list;
+
+       /*
+        * Assumptions:
+        *      - host is locked.
+        *      - in_reset is asserted, so no new i/o is getting to the
+        *        card.
+        *      - The card is dead.
+        */
+       host = aac->scsi_host_ptr;
+       scsi_block_requests(host);
+       aac_adapter_disable_int(aac);
+       spin_unlock_irq(host->host_lock);
+       kthread_stop(aac->thread);
+
+       /*
+        *      If a positive health, means in a known DEAD PANIC
+        * state and the adapter could be reset to `try again'.
+        */
+       retval = aac_adapter_check_health(aac);
+       if (retval == 0)
+               retval = aac_adapter_sync_cmd(aac, IOP_RESET_ALWAYS,
+                 0, 0, 0, 0, 0, 0, &ret, NULL, NULL, NULL, NULL);
+       if (retval)
+               retval = aac_adapter_sync_cmd(aac, IOP_RESET,
+                 0, 0, 0, 0, 0, 0, &ret, NULL, NULL, NULL, NULL);
+
+       if (retval)
+               goto out;
+       if (ret != 0x00000001) {
+               retval = -ENODEV;
+               goto out;
+       }
+
+       index = aac->cardtype;
+
+       /*
+        * Re-initialize the adapter, first free resources, then carefully
+        * apply the initialization sequence to come back again. Only risk
+        * is a change in Firmware dropping cache, it is assumed the caller
+        * will ensure that i/o is queisced and the card is flushed in that
+        * case.
+        */
+       aac_fib_map_free(aac);
+       aac->hw_fib_va = NULL;
+       aac->hw_fib_pa = 0;
+       pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, aac->comm_phys);
+       aac->comm_addr = NULL;
+       aac->comm_phys = 0;
+       kfree(aac->queues);
+       aac->queues = NULL;
+       free_irq(aac->pdev->irq, aac);
+       kfree(aac->fsa_dev);
+       aac->fsa_dev = NULL;
+       if (aac_get_driver_ident(index)->quirks & AAC_QUIRK_31BIT) {
+               if (((retval = pci_set_dma_mask(aac->pdev, DMA_32BIT_MASK))) ||
+                 ((retval = pci_set_consistent_dma_mask(aac->pdev, DMA_32BIT_MASK))))
+                       goto out;
+       } else {
+               if (((retval = pci_set_dma_mask(aac->pdev, 0x7FFFFFFFULL))) ||
+                 ((retval = pci_set_consistent_dma_mask(aac->pdev, 0x7FFFFFFFULL))))
+                       goto out;
+       }
+       if ((retval = (*(aac_get_driver_ident(index)->init))(aac)))
+               goto out;
+       if (aac_get_driver_ident(index)->quirks & AAC_QUIRK_31BIT)
+               if ((retval = pci_set_dma_mask(aac->pdev, DMA_32BIT_MASK)))
+                       goto out;
+       aac->thread = kthread_run(aac_command_thread, aac, aac->name);
+       if (IS_ERR(aac->thread)) {
+               retval = PTR_ERR(aac->thread);
+               goto out;
+       }
+       (void)aac_get_adapter_info(aac);
+       quirks = aac_get_driver_ident(index)->quirks;
+       if ((quirks & AAC_QUIRK_34SG) && (host->sg_tablesize > 34)) {
+               host->sg_tablesize = 34;
+               host->max_sectors = (host->sg_tablesize * 8) + 112;
+       }
+       if ((quirks & AAC_QUIRK_17SG) && (host->sg_tablesize > 17)) {
+               host->sg_tablesize = 17;
+               host->max_sectors = (host->sg_tablesize * 8) + 112;
+       }
+       aac_get_config_status(aac, 1);
+       aac_get_containers(aac);
+       /*
+        * This is where the assumption that the Adapter is quiesced
+        * is important.
+        */
+       command_list = NULL;
+       __shost_for_each_device(dev, host) {
+               unsigned long flags;
+               spin_lock_irqsave(&dev->list_lock, flags);
+               list_for_each_entry(command, &dev->cmd_list, list)
+                       if (command->SCp.phase == AAC_OWNER_FIRMWARE) {
+                               command->SCp.buffer = (struct scatterlist *)command_list;
+                               command_list = command;
+                       }
+               spin_unlock_irqrestore(&dev->list_lock, flags);
+       }
+       while ((command = command_list)) {
+               command_list = (struct scsi_cmnd *)command->SCp.buffer;
+               command->SCp.buffer = NULL;
+               command->result = DID_OK << 16
+                 | COMMAND_COMPLETE << 8
+                 | SAM_STAT_TASK_SET_FULL;
+               command->SCp.phase = AAC_OWNER_ERROR_HANDLER;
+               command->scsi_done(command);
+       }
+       retval = 0;
+
+out:
+       aac->in_reset = 0;
+       scsi_unblock_requests(host);
+       spin_lock_irq(host->host_lock);
+       return retval;
+}
+
+int aac_check_health(struct aac_dev * aac)
+{
+       int BlinkLED;
+       unsigned long time_now, flagv = 0;
+       struct list_head * entry;
+       struct Scsi_Host * host;
+
+       /* Extending the scope of fib_lock slightly to protect aac->in_reset */
+       if (spin_trylock_irqsave(&aac->fib_lock, flagv) == 0)
+               return 0;
+
+       if (aac->in_reset || !(BlinkLED = aac_adapter_check_health(aac))) {
+               spin_unlock_irqrestore(&aac->fib_lock, flagv);
+               return 0; /* OK */
+       }
+
+       aac->in_reset = 1;
+
+       /* Fake up an AIF:
+        *      aac_aifcmd.command = AifCmdEventNotify = 1
+        *      aac_aifcmd.seqnum = 0xFFFFFFFF
+        *      aac_aifcmd.data[0] = AifEnExpEvent = 23
+        *      aac_aifcmd.data[1] = AifExeFirmwarePanic = 3
+        *      aac.aifcmd.data[2] = AifHighPriority = 3
+        *      aac.aifcmd.data[3] = BlinkLED
+        */
+
+       time_now = jiffies/HZ;
+       entry = aac->fib_list.next;
+
+       /*
+        * For each Context that is on the
+        * fibctxList, make a copy of the
+        * fib, and then set the event to wake up the
+        * thread that is waiting for it.
+        */
+       while (entry != &aac->fib_list) {
+               /*
+                * Extract the fibctx
+                */
+               struct aac_fib_context *fibctx = list_entry(entry, struct aac_fib_context, next);
+               struct hw_fib * hw_fib;
+               struct fib * fib;
+               /*
+                * Check if the queue is getting
+                * backlogged
+                */
+               if (fibctx->count > 20) {
+                       /*
+                        * It's *not* jiffies folks,
+                        * but jiffies / HZ, so do not
+                        * panic ...
+                        */
+                       u32 time_last = fibctx->jiffies;
+                       /*
+                        * Has it been > 2 minutes
+                        * since the last read off
+                        * the queue?
+                        */
+                       if ((time_now - time_last) > aif_timeout) {
+                               entry = entry->next;
+                               aac_close_fib_context(aac, fibctx);
+                               continue;
+                       }
+               }
+               /*
+                * Warning: no sleep allowed while
+                * holding spinlock
+                */
+               hw_fib = kmalloc(sizeof(struct hw_fib), GFP_ATOMIC);
+               fib = kmalloc(sizeof(struct fib), GFP_ATOMIC);
+               if (fib && hw_fib) {
+                       struct aac_aifcmd * aif;
+
+                       memset(hw_fib, 0, sizeof(struct hw_fib));
+                       memset(fib, 0, sizeof(struct fib));
+                       fib->hw_fib = hw_fib;
+                       fib->dev = aac;
+                       aac_fib_init(fib);
+                       fib->type = FSAFS_NTC_FIB_CONTEXT;
+                       fib->size = sizeof (struct fib);
+                       fib->data = hw_fib->data;
+                       aif = (struct aac_aifcmd *)hw_fib->data;
+                       aif->command = cpu_to_le32(AifCmdEventNotify);
+                       aif->seqnum = cpu_to_le32(0xFFFFFFFF);
+                       aif->data[0] = cpu_to_le32(AifEnExpEvent);
+                       aif->data[1] = cpu_to_le32(AifExeFirmwarePanic);
+                       aif->data[2] = cpu_to_le32(AifHighPriority);
+                       aif->data[3] = cpu_to_le32(BlinkLED);
+
+                       /*
+                        * Put the FIB onto the
+                        * fibctx's fibs
+                        */
+                       list_add_tail(&fib->fiblink, &fibctx->fib_list);
+                       fibctx->count++;
+                       /*
+                        * Set the event to wake up the
+                        * thread that will waiting.
+                        */
+                       up(&fibctx->wait_sem);
+               } else {
+                       printk(KERN_WARNING "aifd: didn't allocate NewFib.\n");
+                       kfree(fib);
+                       kfree(hw_fib);
+               }
+               entry = entry->next;
+       }
+
+       spin_unlock_irqrestore(&aac->fib_lock, flagv);
+
+       if (BlinkLED < 0) {
+               printk(KERN_ERR "%s: Host adapter dead %d\n", aac->name, BlinkLED);
+               goto out;
+       }
+
+       printk(KERN_ERR "%s: Host adapter BLINK LED 0x%x\n", aac->name, BlinkLED);
+
+       host = aac->scsi_host_ptr;
+       spin_lock_irqsave(host->host_lock, flagv);
+       BlinkLED = _aac_reset_adapter(aac);
+       spin_unlock_irqrestore(host->host_lock, flagv);
+       return BlinkLED;
+
+out:
+       aac->in_reset = 0;
+       return BlinkLED;
+}
+
+
 /**
  *     aac_command_thread      -       command processing thread
  *     @dev: Adapter to monitor
index b2a5c72..8335f07 100644 (file)
@@ -124,10 +124,15 @@ unsigned int aac_response_normal(struct aac_queue * q)
                } else {
                        unsigned long flagv;
                        spin_lock_irqsave(&fib->event_lock, flagv);
-                       fib->done = 1;
+                       if (!fib->done)
+                               fib->done = 1;
                        up(&fib->event_wait);
                        spin_unlock_irqrestore(&fib->event_lock, flagv);
                        FIB_COUNTER_INCREMENT(aac_config.NormalRecved);
+                       if (fib->done == 2) {
+                               aac_fib_complete(fib);
+                               aac_fib_free(fib);
+                       }
                }
                consumed++;
                spin_lock_irqsave(q->lock, flags);
@@ -316,7 +321,8 @@ unsigned int aac_intr_normal(struct aac_dev * dev, u32 Index)
                        unsigned long flagv;
                        dprintk((KERN_INFO "event_wait up\n"));
                        spin_lock_irqsave(&fib->event_lock, flagv);
-                       fib->done = 1;
+                       if (!fib->done)
+                               fib->done = 1;
                        up(&fib->event_wait);
                        spin_unlock_irqrestore(&fib->event_lock, flagv);
                        FIB_COUNTER_INCREMENT(aac_config.NormalRecved);
index e42a479..d67058f 100644 (file)
@@ -454,17 +454,17 @@ static int aac_eh_reset(struct scsi_cmnd* cmd)
        printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n", 
                                        AAC_DRIVERNAME);
        aac = (struct aac_dev *)host->hostdata;
-       if (aac_adapter_check_health(aac)) {
-               printk(KERN_ERR "%s: Host adapter appears dead\n", 
-                               AAC_DRIVERNAME);
-               return -ENODEV;
-       }
+
+       if ((count = aac_check_health(aac)))
+               return count;
        /*
         * Wait for all commands to complete to this specific
         * target (block maximum 60 seconds).
         */
        for (count = 60; count; --count) {
-               int active = 0;
+               int active = aac->in_reset;
+
+               if (active == 0)
                __shost_for_each_device(dev, host) {
                        spin_lock_irqsave(&dev->list_lock, flags);
                        list_for_each_entry(command, &dev->cmd_list, list) {
@@ -933,7 +933,7 @@ static int __devinit aac_probe_one(struct pci_dev *pdev,
        else
                shost->max_channel = 0;
 
-       aac_get_config_status(aac);
+       aac_get_config_status(aac, 0);
        aac_get_containers(aac);
        list_add(&aac->entry, insert);
 
@@ -1013,6 +1013,10 @@ static void __devexit aac_remove_one(struct pci_dev *pdev)
        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 = -1;
+       }
 }
 
 static struct pci_driver aac_pci_driver = {
index 458ea89..f850c3a 100644 (file)
@@ -395,6 +395,25 @@ static int aac_rkt_send(struct fib * fib)
        return 0;
 }
 
+static int aac_rkt_restart_adapter(struct aac_dev *dev)
+{
+       u32 var;
+
+       printk(KERN_ERR "%s%d: adapter kernel panic'd.\n",
+                       dev->name, dev->id);
+
+       if (aac_rkt_check_health(dev) <= 0)
+               return 1;
+       if (rkt_sync_cmd(dev, IOP_RESET, 0, 0, 0, 0, 0, 0,
+                       &var, NULL, NULL, NULL, NULL))
+               return 1;
+       if (var != 0x00000001)
+                return 1;
+       if (rkt_readl(dev, MUnit.OMRx[0]) & KERNEL_PANIC)
+               return 1;
+       return 0;
+}
+
 /**
  *     aac_rkt_init    -       initialize an i960 based AAC card
  *     @dev: device to configure
@@ -417,6 +436,9 @@ int aac_rkt_init(struct aac_dev *dev)
        /*
         *      Check to see if the board panic'd while booting.
         */
+       if (rkt_readl(dev, MUnit.OMRx[0]) & KERNEL_PANIC)
+               if (aac_rkt_restart_adapter(dev))
+                       goto error_iounmap;
        /*
         *      Check to see if the board failed any self tests.
         */
@@ -431,13 +453,6 @@ int aac_rkt_init(struct aac_dev *dev)
                printk(KERN_ERR "%s%d: adapter monitor panic.\n", dev->name, instance);
                goto error_iounmap;
        }
-       /*
-        *      Check to see if the board panic'd while booting.
-        */
-       if (rkt_readl(dev, MUnit.OMRx[0]) & KERNEL_PANIC) {
-               printk(KERN_ERR "%s%d: adapter kernel panic'd.\n", dev->name, instance);
-               goto error_iounmap;
-       }
        start = jiffies;
        /*
         *      Wait for the adapter to be up and running. Wait up to 3 minutes
index 035018d..c715c4b 100644 (file)
@@ -394,6 +394,25 @@ static int aac_rx_send(struct fib * fib)
        return 0;
 }
 
+static int aac_rx_restart_adapter(struct aac_dev *dev)
+{
+       u32 var;
+
+       printk(KERN_ERR "%s%d: adapter kernel panic'd.\n",
+                       dev->name, dev->id);
+
+       if (aac_rx_check_health(dev) <= 0)
+               return 1;
+       if (rx_sync_cmd(dev, IOP_RESET, 0, 0, 0, 0, 0, 0,
+                       &var, NULL, NULL, NULL, NULL))
+               return 1;
+       if (var != 0x00000001)
+                return 1;
+       if (rx_readl(dev, MUnit.OMRx[0]) & KERNEL_PANIC)
+               return 1;
+       return 0;
+}
+
 /**
  *     aac_rx_init     -       initialize an i960 based AAC card
  *     @dev: device to configure
@@ -416,6 +435,9 @@ int aac_rx_init(struct aac_dev *dev)
        /*
         *      Check to see if the board panic'd while booting.
         */
+       if (rx_readl(dev, MUnit.OMRx[0]) & KERNEL_PANIC)
+               if (aac_rx_restart_adapter(dev))
+                       goto error_iounmap;
        /*
         *      Check to see if the board failed any self tests.
         */
@@ -424,13 +446,6 @@ int aac_rx_init(struct aac_dev *dev)
                goto error_iounmap;
        }
        /*
-        *      Check to see if the board panic'd while booting.
-        */
-       if (rx_readl(dev, MUnit.OMRx[0]) & KERNEL_PANIC) {
-               printk(KERN_ERR "%s%d: adapter kernel panic.\n", dev->name, instance);
-               goto error_iounmap;
-       }
-       /*
         *      Check to see if the monitor panic'd while booting.
         */
        if (rx_readl(dev, MUnit.OMRx[0]) & MONITOR_PANIC) {
index e32b4ab..773f02e 100644 (file)
@@ -888,10 +888,6 @@ typedef unsigned char uchar;
 #define ASC_PCI_ID2DEV(id)    (((id) >> 11) & 0x1F)
 #define ASC_PCI_ID2FUNC(id)   (((id) >> 8) & 0x7)
 #define ASC_PCI_MKID(bus, dev, func) ((((dev) & 0x1F) << 11) | (((func) & 0x7) << 8) | ((bus) & 0xFF))
-#define ASC_PCI_VENDORID                  0x10CD
-#define ASC_PCI_DEVICEID_1200A            0x1100
-#define ASC_PCI_DEVICEID_1200B            0x1200
-#define ASC_PCI_DEVICEID_ULTRA            0x1300
 #define ASC_PCI_REVISION_3150             0x02
 #define ASC_PCI_REVISION_3050             0x03
 
@@ -899,6 +895,14 @@ typedef unsigned char uchar;
 #define  ASC_DVCLIB_CALL_FAILED   (0)
 #define  ASC_DVCLIB_CALL_ERROR    (-1)
 
+#define PCI_VENDOR_ID_ASP              0x10cd
+#define PCI_DEVICE_ID_ASP_1200A                0x1100
+#define PCI_DEVICE_ID_ASP_ABP940       0x1200
+#define PCI_DEVICE_ID_ASP_ABP940U      0x1300
+#define PCI_DEVICE_ID_ASP_ABP940UW     0x2300
+#define PCI_DEVICE_ID_38C0800_REV1     0x2500
+#define PCI_DEVICE_ID_38C1600_REV1     0x2700
+
 /*
  * Enable CC_VERY_LONG_SG_LIST to support up to 64K element SG lists.
  * The SRB structure will have to be changed and the ASC_SRB2SCSIQ()
@@ -1492,8 +1496,6 @@ typedef struct asc_dvc_cfg {
 #define ASC_INIT_STATE_END_INQUIRY   0x0080
 #define ASC_INIT_RESET_SCSI_DONE     0x0100
 #define ASC_INIT_STATE_WITHOUT_EEP   0x8000
-#define ASC_PCI_DEVICE_ID_REV_A      0x1100
-#define ASC_PCI_DEVICE_ID_REV_B      0x1200
 #define ASC_BUG_FIX_IF_NOT_DWB       0x0001
 #define ASC_BUG_FIX_ASYN_USE_SYN     0x0002
 #define ASYN_SDTR_DATA_FIX_PCI_REV_AB 0x41
@@ -2100,12 +2102,6 @@ STATIC ASC_DCNT  AscGetMaxDmaCount(ushort);
 #define ADV_NUM_PAGE_CROSSING \
     ((ADV_SG_TOTAL_MEM_SIZE + (ADV_PAGE_SIZE - 1))/ADV_PAGE_SIZE)
 
-/* a_condor.h */
-#define ADV_PCI_VENDOR_ID               0x10CD
-#define ADV_PCI_DEVICE_ID_REV_A         0x2300
-#define ADV_PCI_DEVID_38C0800_REV1      0x2500
-#define ADV_PCI_DEVID_38C1600_REV1      0x2700
-
 #define ADV_EEP_DVC_CFG_BEGIN           (0x00)
 #define ADV_EEP_DVC_CFG_END             (0x15)
 #define ADV_EEP_DVC_CTL_BEGIN           (0x16)  /* location of OEM name */
@@ -3569,14 +3565,7 @@ typedef struct scsi_cmnd     REQ, *REQP;
 #define PCI_MAX_SLOT            0x1F
 #define PCI_MAX_BUS             0xFF
 #define PCI_IOADDRESS_MASK      0xFFFE
-#define ASC_PCI_VENDORID        0x10CD
 #define ASC_PCI_DEVICE_ID_CNT   6       /* PCI Device ID count. */
-#define ASC_PCI_DEVICE_ID_1100  0x1100
-#define ASC_PCI_DEVICE_ID_1200  0x1200
-#define ASC_PCI_DEVICE_ID_1300  0x1300
-#define ASC_PCI_DEVICE_ID_2300  0x2300  /* ASC-3550 */
-#define ASC_PCI_DEVICE_ID_2500  0x2500  /* ASC-38C0800 */
-#define ASC_PCI_DEVICE_ID_2700  0x2700  /* ASC-38C1600 */
 
 #ifndef ADVANSYS_STATS
 #define ASC_STATS(shp, counter)
@@ -4330,12 +4319,12 @@ advansys_detect(struct scsi_host_template *tpnt)
     struct pci_dev      *pci_devp = NULL;
     int                 pci_device_id_cnt = 0;
     unsigned int        pci_device_id[ASC_PCI_DEVICE_ID_CNT] = {
-                                    ASC_PCI_DEVICE_ID_1100,
-                                    ASC_PCI_DEVICE_ID_1200,
-                                    ASC_PCI_DEVICE_ID_1300,
-                                    ASC_PCI_DEVICE_ID_2300,
-                                    ASC_PCI_DEVICE_ID_2500,
-                                    ASC_PCI_DEVICE_ID_2700
+                                    PCI_DEVICE_ID_ASP_1200A,
+                                    PCI_DEVICE_ID_ASP_ABP940,
+                                    PCI_DEVICE_ID_ASP_ABP940U,
+                                    PCI_DEVICE_ID_ASP_ABP940UW,
+                                    PCI_DEVICE_ID_38C0800_REV1,
+                                    PCI_DEVICE_ID_38C1600_REV1
                         };
     ADV_PADDR           pci_memory_address;
 #endif /* CONFIG_PCI */
@@ -4471,7 +4460,7 @@ advansys_detect(struct scsi_host_template *tpnt)
 
                     /* Find all PCI cards. */
                     while (pci_device_id_cnt < ASC_PCI_DEVICE_ID_CNT) {
-                        if ((pci_devp = pci_find_device(ASC_PCI_VENDORID,
+                        if ((pci_devp = pci_find_device(PCI_VENDOR_ID_ASP,
                             pci_device_id[pci_device_id_cnt], pci_devp)) ==
                             NULL) {
                             pci_device_id_cnt++;
@@ -4575,9 +4564,9 @@ advansys_detect(struct scsi_host_template *tpnt)
              */
 #ifdef CONFIG_PCI
             if (asc_bus[bus] == ASC_IS_PCI &&
-                (pci_devp->device == ASC_PCI_DEVICE_ID_2300 ||
-                 pci_devp->device == ASC_PCI_DEVICE_ID_2500 ||
-                 pci_devp->device == ASC_PCI_DEVICE_ID_2700))
+                (pci_devp->device == PCI_DEVICE_ID_ASP_ABP940UW ||
+                 pci_devp->device == PCI_DEVICE_ID_38C0800_REV1 ||
+                 pci_devp->device == PCI_DEVICE_ID_38C1600_REV1))
             {
                 boardp->flags |= ASC_IS_WIDE_BOARD;
             }
@@ -4600,11 +4589,11 @@ advansys_detect(struct scsi_host_template *tpnt)
                 adv_dvc_varp->isr_callback = adv_isr_callback;
                 adv_dvc_varp->async_callback = adv_async_callback;
 #ifdef CONFIG_PCI
-                if (pci_devp->device == ASC_PCI_DEVICE_ID_2300)
+                if (pci_devp->device == PCI_DEVICE_ID_ASP_ABP940UW)
                 {
                     ASC_DBG(1, "advansys_detect: ASC-3550\n");
                     adv_dvc_varp->chip_type = ADV_CHIP_ASC3550;
-                } else if (pci_devp->device == ASC_PCI_DEVICE_ID_2500)
+                } else if (pci_devp->device == PCI_DEVICE_ID_38C0800_REV1)
                 {
                     ASC_DBG(1, "advansys_detect: ASC-38C0800\n");
                     adv_dvc_varp->chip_type = ADV_CHIP_ASC38C0800;
@@ -11922,7 +11911,7 @@ AscInitGetConfig(
         PCIRevisionID = DvcReadPCIConfigByte(asc_dvc,
                                     AscPCIConfigRevisionIDRegister);
 
-        if (PCIVendorID != ASC_PCI_VENDORID) {
+        if (PCIVendorID != PCI_VENDOR_ID_ASP) {
             warn_code |= ASC_WARN_SET_PCI_CONFIG_SPACE;
         }
         prevCmdRegBits = DvcReadPCIConfigByte(asc_dvc,
@@ -11942,15 +11931,15 @@ AscInitGetConfig(
                 warn_code |= ASC_WARN_SET_PCI_CONFIG_SPACE;
             }
         }
-        if ((PCIDeviceID == ASC_PCI_DEVICEID_1200A) ||
-            (PCIDeviceID == ASC_PCI_DEVICEID_1200B)) {
+        if ((PCIDeviceID == PCI_DEVICE_ID_ASP_1200A) ||
+            (PCIDeviceID == PCI_DEVICE_ID_ASP_ABP940)) {
             DvcWritePCIConfigByte(asc_dvc,
                             AscPCIConfigLatencyTimer, 0x00);
             if (DvcReadPCIConfigByte(asc_dvc, AscPCIConfigLatencyTimer)
                 != 0x00) {
                 warn_code |= ASC_WARN_SET_PCI_CONFIG_SPACE;
             }
-        } else if (PCIDeviceID == ASC_PCI_DEVICEID_ULTRA) {
+        } else if (PCIDeviceID == PCI_DEVICE_ID_ASP_ABP940U) {
             if (DvcReadPCIConfigByte(asc_dvc,
                                 AscPCIConfigLatencyTimer) < 0x20) {
                 DvcWritePCIConfigByte(asc_dvc,
@@ -12037,8 +12026,8 @@ AscInitFromAscDvcVar(
         AscSetChipCfgMsw(iop_base, cfg_msw);
         if ((asc_dvc->bus_type & ASC_IS_PCI_ULTRA) == ASC_IS_PCI_ULTRA) {
         } else {
-            if ((pci_device_id == ASC_PCI_DEVICE_ID_REV_A) ||
-                (pci_device_id == ASC_PCI_DEVICE_ID_REV_B)) {
+            if ((pci_device_id == PCI_DEVICE_ID_ASP_1200A) ||
+                (pci_device_id == PCI_DEVICE_ID_ASP_ABP940)) {
                 asc_dvc->bug_fix_cntl |= ASC_BUG_FIX_IF_NOT_DWB;
                 asc_dvc->bug_fix_cntl |= ASC_BUG_FIX_ASYN_USE_SYN;
             }
@@ -14275,8 +14264,8 @@ Default_38C0800_EEPROM_Config __initdata = {
     0,                          /* 55 reserved */
     0,                          /* 56 cisptr_lsw */
     0,                          /* 57 cisprt_msw */
-    ADV_PCI_VENDOR_ID,          /* 58 subsysvid */
-    ADV_PCI_DEVID_38C0800_REV1, /* 59 subsysid */
+    PCI_VENDOR_ID_ASP,          /* 58 subsysvid */
+    PCI_DEVICE_ID_38C0800_REV1, /* 59 subsysid */
     0,                          /* 60 reserved */
     0,                          /* 61 reserved */
     0,                          /* 62 reserved */
@@ -14405,8 +14394,8 @@ Default_38C1600_EEPROM_Config __initdata = {
     0,                          /* 55 reserved */
     0,                          /* 56 cisptr_lsw */
     0,                          /* 57 cisprt_msw */
-    ADV_PCI_VENDOR_ID,          /* 58 subsysvid */
-    ADV_PCI_DEVID_38C1600_REV1, /* 59 subsysid */
+    PCI_VENDOR_ID_ASP,          /* 58 subsysvid */
+    PCI_DEVICE_ID_38C1600_REV1, /* 59 subsysid */
     0,                          /* 60 reserved */
     0,                          /* 61 reserved */
     0,                          /* 62 reserved */
@@ -18225,3 +18214,22 @@ AdvInquiryHandling(
     }
 }
 MODULE_LICENSE("Dual BSD/GPL");
+
+/* PCI Devices supported by this driver */
+static struct pci_device_id advansys_pci_tbl[] __devinitdata = {
+       { PCI_VENDOR_ID_ASP, PCI_DEVICE_ID_ASP_1200A,
+       PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+       { PCI_VENDOR_ID_ASP, PCI_DEVICE_ID_ASP_ABP940,
+       PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+       { PCI_VENDOR_ID_ASP, PCI_DEVICE_ID_ASP_ABP940U,
+       PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+       { PCI_VENDOR_ID_ASP, PCI_DEVICE_ID_ASP_ABP940UW,
+       PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+       { PCI_VENDOR_ID_ASP, PCI_DEVICE_ID_38C0800_REV1,
+       PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+       { PCI_VENDOR_ID_ASP, PCI_DEVICE_ID_38C1600_REV1,
+       PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+       { }
+};
+MODULE_DEVICE_TABLE(pci, advansys_pci_tbl);
+
index 998999c..c7eeace 100644 (file)
@@ -321,7 +321,7 @@ MODULE_LICENSE("Dual BSD/GPL");
 MODULE_VERSION(AIC79XX_DRIVER_VERSION);
 module_param(aic79xx, charp, 0444);
 MODULE_PARM_DESC(aic79xx,
-"period delimited, options string.\n"
+"period-delimited options string:\n"
 "      verbose                 Enable verbose/diagnostic logging\n"
 "      allow_memio             Allow device registers to be memory mapped\n"
 "      debug                   Bitmask of debug values to enable\n"
@@ -346,7 +346,7 @@ MODULE_PARM_DESC(aic79xx,
 "              Shorten the selection timeout to 128ms\n"
 "\n"
 "      options aic79xx 'aic79xx=verbose.tag_info:{{}.{}.{..10}}.seltime:1'\n"
-"\n");
+);
 
 static void ahd_linux_handle_scsi_status(struct ahd_softc *,
                                         struct scsi_device *,
index aa4be8a..e5bb4d8 100644 (file)
@@ -341,7 +341,7 @@ MODULE_LICENSE("Dual BSD/GPL");
 MODULE_VERSION(AIC7XXX_DRIVER_VERSION);
 module_param(aic7xxx, charp, 0444);
 MODULE_PARM_DESC(aic7xxx,
-"period delimited, options string.\n"
+"period-delimited options string:\n"
 "      verbose                 Enable verbose/diagnostic logging\n"
 "      allow_memio             Allow device registers to be memory mapped\n"
 "      debug                   Bitmask of debug values to enable\n"
index 3f85b5e..ba3bcca 100644 (file)
 #include <linux/stat.h>
 #include <linux/slab.h>        /* for kmalloc() */
 
-#include <linux/config.h>        /* for CONFIG_PCI */
-
 #define AIC7XXX_C_VERSION  "5.2.6"
 
 #define ALL_TARGETS -1
diff --git a/drivers/scsi/arcmsr/Makefile b/drivers/scsi/arcmsr/Makefile
new file mode 100644 (file)
index 0000000..721aced
--- /dev/null
@@ -0,0 +1,6 @@
+# File: drivers/arcmsr/Makefile
+# Makefile for the ARECA PCI-X PCI-EXPRESS SATA RAID controllers SCSI driver.
+
+arcmsr-objs := arcmsr_attr.o arcmsr_hba.o
+
+obj-$(CONFIG_SCSI_ARCMSR) := arcmsr.o
diff --git a/drivers/scsi/arcmsr/arcmsr.h b/drivers/scsi/arcmsr/arcmsr.h
new file mode 100644 (file)
index 0000000..aff96db
--- /dev/null
@@ -0,0 +1,472 @@
+/*
+*******************************************************************************
+**        O.S   : Linux
+**   FILE NAME  : arcmsr.h
+**        BY    : Erich Chen
+**   Description: SCSI RAID Device Driver for
+**                ARECA RAID Host adapter
+*******************************************************************************
+** Copyright (C) 2002 - 2005, Areca Technology Corporation All rights reserved.
+**
+**     Web site: www.areca.com.tw
+**       E-mail: erich@areca.com.tw
+**
+** This program is free software; you can redistribute it and/or modify
+** it under the terms of the GNU General Public License version 2 as
+** published by the Free Software Foundation.
+** This program is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+** GNU General Public License for more details.
+*******************************************************************************
+** Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions
+** are met:
+** 1. Redistributions of source code must retain the above copyright
+**    notice, this list of conditions and the following disclaimer.
+** 2. Redistributions in binary form must reproduce the above copyright
+**    notice, this list of conditions and the following disclaimer in the
+**    documentation and/or other materials provided with the distribution.
+** 3. The name of the author may not be used to endorse or promote products
+**    derived from this software without specific prior written permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES(INCLUDING, BUT
+** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION)HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+**(INCLUDING NEGLIGENCE OR OTHERWISE)ARISING IN ANY WAY OUT OF THE USE OF
+** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*******************************************************************************
+*/
+#include <linux/interrupt.h>
+
+struct class_device_attribute;
+
+#define ARCMSR_MAX_OUTSTANDING_CMD                                             256
+#define ARCMSR_MAX_FREECCB_NUM                                                 288
+#define ARCMSR_DRIVER_VERSION                          "Driver Version 1.20.00.13"
+#define ARCMSR_SCSI_INITIATOR_ID                                               255
+#define ARCMSR_MAX_XFER_SECTORS                                                        512
+#define ARCMSR_MAX_TARGETID                                                     17
+#define ARCMSR_MAX_TARGETLUN                                                     8
+#define ARCMSR_MAX_CMD_PERLUN                           ARCMSR_MAX_OUTSTANDING_CMD
+#define ARCMSR_MAX_QBUFFER                                                    4096
+#define ARCMSR_MAX_SG_ENTRIES                                                   38
+
+/*
+*******************************************************************************
+**        split 64bits dma addressing
+*******************************************************************************
+*/
+#define dma_addr_hi32(addr)               (uint32_t) ((addr>>16)>>16)
+#define dma_addr_lo32(addr)               (uint32_t) (addr & 0xffffffff)
+/*
+*******************************************************************************
+**        MESSAGE CONTROL CODE
+*******************************************************************************
+*/
+struct CMD_MESSAGE
+{
+      uint32_t HeaderLength;
+      uint8_t  Signature[8];
+      uint32_t Timeout;
+      uint32_t ControlCode;
+      uint32_t ReturnCode;
+      uint32_t Length;
+};
+/*
+*******************************************************************************
+**        IOP Message Transfer Data for user space
+*******************************************************************************
+*/
+struct CMD_MESSAGE_FIELD
+{
+    struct CMD_MESSAGE                 cmdmessage;
+    uint8_t                            messagedatabuffer[1032];
+};
+/* IOP message transfer */
+#define ARCMSR_MESSAGE_FAIL             0x0001
+/* DeviceType */
+#define ARECA_SATA_RAID                                0x90000000
+/* FunctionCode */
+#define FUNCTION_READ_RQBUFFER                 0x0801
+#define FUNCTION_WRITE_WQBUFFER                        0x0802
+#define FUNCTION_CLEAR_RQBUFFER                        0x0803
+#define FUNCTION_CLEAR_WQBUFFER                        0x0804
+#define FUNCTION_CLEAR_ALLQBUFFER              0x0805
+#define FUNCTION_RETURN_CODE_3F                        0x0806
+#define FUNCTION_SAY_HELLO                     0x0807
+#define FUNCTION_SAY_GOODBYE                   0x0808
+#define FUNCTION_FLUSH_ADAPTER_CACHE           0x0809
+/* ARECA IO CONTROL CODE*/
+#define ARCMSR_MESSAGE_READ_RQBUFFER       \
+       ARECA_SATA_RAID | FUNCTION_READ_RQBUFFER
+#define ARCMSR_MESSAGE_WRITE_WQBUFFER      \
+       ARECA_SATA_RAID | FUNCTION_WRITE_WQBUFFER
+#define ARCMSR_MESSAGE_CLEAR_RQBUFFER      \
+       ARECA_SATA_RAID | FUNCTION_CLEAR_RQBUFFER
+#define ARCMSR_MESSAGE_CLEAR_WQBUFFER      \
+       ARECA_SATA_RAID | FUNCTION_CLEAR_WQBUFFER
+#define ARCMSR_MESSAGE_CLEAR_ALLQBUFFER    \
+       ARECA_SATA_RAID | FUNCTION_CLEAR_ALLQBUFFER
+#define ARCMSR_MESSAGE_RETURN_CODE_3F      \
+       ARECA_SATA_RAID | FUNCTION_RETURN_CODE_3F
+#define ARCMSR_MESSAGE_SAY_HELLO           \
+       ARECA_SATA_RAID | FUNCTION_SAY_HELLO
+#define ARCMSR_MESSAGE_SAY_GOODBYE         \
+       ARECA_SATA_RAID | FUNCTION_SAY_GOODBYE
+#define ARCMSR_MESSAGE_FLUSH_ADAPTER_CACHE \
+       ARECA_SATA_RAID | FUNCTION_FLUSH_ADAPTER_CACHE
+/* ARECA IOCTL ReturnCode */
+#define ARCMSR_MESSAGE_RETURNCODE_OK              0x00000001
+#define ARCMSR_MESSAGE_RETURNCODE_ERROR           0x00000006
+#define ARCMSR_MESSAGE_RETURNCODE_3F              0x0000003F
+/*
+*************************************************************
+**   structure for holding DMA address data
+*************************************************************
+*/
+#define IS_SG64_ADDR                0x01000000 /* bit24 */
+struct  SG32ENTRY
+{
+       uint32_t                                        length;
+       uint32_t                                        address;
+};
+struct  SG64ENTRY
+{
+       uint32_t                                        length;
+       uint32_t                                        address;
+       uint32_t                                        addresshigh;
+};
+struct SGENTRY_UNION
+{
+       union
+       {
+               struct SG32ENTRY            sg32entry;
+               struct SG64ENTRY            sg64entry;
+       }u;
+};
+/*
+********************************************************************
+**      Q Buffer of IOP Message Transfer
+********************************************************************
+*/
+struct QBUFFER
+{
+       uint32_t      data_len;
+       uint8_t       data[124];
+};
+/*
+*******************************************************************************
+**      FIRMWARE INFO
+*******************************************************************************
+*/
+struct FIRMWARE_INFO
+{
+       uint32_t      signature;                /*0, 00-03*/
+       uint32_t      request_len;              /*1, 04-07*/
+       uint32_t      numbers_queue;            /*2, 08-11*/
+       uint32_t      sdram_size;               /*3, 12-15*/
+       uint32_t      ide_channels;             /*4, 16-19*/
+       char          vendor[40];               /*5, 20-59*/
+       char          model[8];                 /*15, 60-67*/
+       char          firmware_ver[16];         /*17, 68-83*/
+       char          device_map[16];           /*21, 84-99*/
+};
+/* signature of set and get firmware config */
+#define ARCMSR_SIGNATURE_GET_CONFIG                   0x87974060
+#define ARCMSR_SIGNATURE_SET_CONFIG                   0x87974063
+/* message code of inbound message register */
+#define ARCMSR_INBOUND_MESG0_NOP                      0x00000000
+#define ARCMSR_INBOUND_MESG0_GET_CONFIG               0x00000001
+#define ARCMSR_INBOUND_MESG0_SET_CONFIG               0x00000002
+#define ARCMSR_INBOUND_MESG0_ABORT_CMD                0x00000003
+#define ARCMSR_INBOUND_MESG0_STOP_BGRB                0x00000004
+#define ARCMSR_INBOUND_MESG0_FLUSH_CACHE              0x00000005
+#define ARCMSR_INBOUND_MESG0_START_BGRB               0x00000006
+#define ARCMSR_INBOUND_MESG0_CHK331PENDING            0x00000007
+#define ARCMSR_INBOUND_MESG0_SYNC_TIMER               0x00000008
+/* doorbell interrupt generator */
+#define ARCMSR_INBOUND_DRIVER_DATA_WRITE_OK           0x00000001
+#define ARCMSR_INBOUND_DRIVER_DATA_READ_OK            0x00000002
+#define ARCMSR_OUTBOUND_IOP331_DATA_WRITE_OK          0x00000001
+#define ARCMSR_OUTBOUND_IOP331_DATA_READ_OK           0x00000002
+/* ccb areca cdb flag */
+#define ARCMSR_CCBPOST_FLAG_SGL_BSIZE                 0x80000000
+#define ARCMSR_CCBPOST_FLAG_IAM_BIOS                  0x40000000
+#define ARCMSR_CCBREPLY_FLAG_IAM_BIOS                 0x40000000
+#define ARCMSR_CCBREPLY_FLAG_ERROR                    0x10000000
+/* outbound firmware ok */
+#define ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK             0x80000000
+/*
+*******************************************************************************
+**    ARECA SCSI COMMAND DESCRIPTOR BLOCK size 0x1F8 (504)
+*******************************************************************************
+*/
+struct ARCMSR_CDB
+{
+       uint8_t                                                 Bus;
+       uint8_t                                                 TargetID;
+       uint8_t                                                 LUN;
+       uint8_t                                                 Function;
+
+       uint8_t                                                 CdbLength;
+       uint8_t                                                 sgcount;
+       uint8_t                                                 Flags;
+#define ARCMSR_CDB_FLAG_SGL_BSIZE          0x01
+#define ARCMSR_CDB_FLAG_BIOS               0x02
+#define ARCMSR_CDB_FLAG_WRITE              0x04
+#define ARCMSR_CDB_FLAG_SIMPLEQ            0x00
+#define ARCMSR_CDB_FLAG_HEADQ              0x08
+#define ARCMSR_CDB_FLAG_ORDEREDQ           0x10
+       uint8_t                                                 Reserved1;
+
+       uint32_t                                                Context;
+       uint32_t                                                DataLength;
+
+       uint8_t                                                 Cdb[16];
+
+       uint8_t                                                 DeviceStatus;
+#define ARCMSR_DEV_CHECK_CONDITION          0x02
+#define ARCMSR_DEV_SELECT_TIMEOUT                      0xF0
+#define ARCMSR_DEV_ABORTED                             0xF1
+#define ARCMSR_DEV_INIT_FAIL                           0xF2
+       uint8_t                                                 SenseData[15];
+
+       union
+       {
+               struct SG32ENTRY                sg32entry[ARCMSR_MAX_SG_ENTRIES];
+               struct SG64ENTRY                sg64entry[ARCMSR_MAX_SG_ENTRIES];
+       } u;
+};
+/*
+*******************************************************************************
+**     Messaging Unit (MU) of the Intel R 80331 I/O processor (80331)
+*******************************************************************************
+*/
+struct MessageUnit
+{
+       uint32_t        resrved0[4];                    /*0000 000F*/
+       uint32_t        inbound_msgaddr0;               /*0010 0013*/
+       uint32_t        inbound_msgaddr1;               /*0014 0017*/
+       uint32_t        outbound_msgaddr0;              /*0018 001B*/
+       uint32_t        outbound_msgaddr1;              /*001C 001F*/
+       uint32_t        inbound_doorbell;               /*0020 0023*/
+       uint32_t        inbound_intstatus;              /*0024 0027*/
+       uint32_t        inbound_intmask;                /*0028 002B*/
+       uint32_t        outbound_doorbell;              /*002C 002F*/
+       uint32_t        outbound_intstatus;             /*0030 0033*/
+       uint32_t        outbound_intmask;               /*0034 0037*/
+       uint32_t        reserved1[2];                   /*0038 003F*/
+       uint32_t        inbound_queueport;              /*0040 0043*/
+       uint32_t        outbound_queueport;             /*0044 0047*/
+       uint32_t        reserved2[2];                   /*0048 004F*/
+       uint32_t        reserved3[492];                 /*0050 07FF 492*/
+       uint32_t        reserved4[128];                 /*0800 09FF 128*/
+       uint32_t        message_rwbuffer[256];          /*0a00 0DFF 256*/
+       uint32_t        message_wbuffer[32];            /*0E00 0E7F  32*/
+       uint32_t        reserved5[32];                  /*0E80 0EFF  32*/
+       uint32_t        message_rbuffer[32];            /*0F00 0F7F  32*/
+       uint32_t        reserved6[32];                  /*0F80 0FFF  32*/
+};
+/*
+*******************************************************************************
+**                 Adapter Control Block
+*******************************************************************************
+*/
+struct AdapterControlBlock
+{
+       struct pci_dev *                pdev;
+       struct Scsi_Host *              host;
+       unsigned long                   vir2phy_offset;
+       /* Offset is used in making arc cdb physical to virtual calculations */
+       uint32_t                        outbound_int_enable;
+
+       struct MessageUnit __iomem *            pmu;
+       /* message unit ATU inbound base address0 */
+
+       uint32_t                        acb_flags;
+#define ACB_F_SCSISTOPADAPTER         0x0001
+#define ACB_F_MSG_STOP_BGRB           0x0002
+       /* stop RAID background rebuild */
+#define ACB_F_MSG_START_BGRB          0x0004
+       /* stop RAID background rebuild */
+#define ACB_F_IOPDATA_OVERFLOW        0x0008
+       /* iop message data rqbuffer overflow */
+#define ACB_F_MESSAGE_WQBUFFER_CLEARED  0x0010
+       /* message clear wqbuffer */
+#define ACB_F_MESSAGE_RQBUFFER_CLEARED  0x0020
+       /* message clear rqbuffer */
+#define ACB_F_MESSAGE_WQBUFFER_READED   0x0040
+#define ACB_F_BUS_RESET               0x0080
+#define ACB_F_IOP_INITED              0x0100
+       /* iop init */
+
+       struct CommandControlBlock *                    pccb_pool[ARCMSR_MAX_FREECCB_NUM];
+       /* used for memory free */
+       struct list_head                ccb_free_list;
+       /* head of free ccb list */
+       atomic_t                        ccboutstandingcount;
+
+       void *                          dma_coherent;
+       /* dma_coherent used for memory free */
+       dma_addr_t                      dma_coherent_handle;
+       /* dma_coherent_handle used for memory free */
+
+       uint8_t                         rqbuffer[ARCMSR_MAX_QBUFFER];
+       /* data collection buffer for read from 80331 */
+       int32_t                         rqbuf_firstindex;
+       /* first of read buffer  */
+       int32_t                         rqbuf_lastindex;
+       /* last of read buffer   */
+       uint8_t                         wqbuffer[ARCMSR_MAX_QBUFFER];
+       /* data collection buffer for write to 80331  */
+       int32_t                         wqbuf_firstindex;
+       /* first of write buffer */
+       int32_t                         wqbuf_lastindex;
+       /* last of write buffer  */
+       uint8_t                         devstate[ARCMSR_MAX_TARGETID][ARCMSR_MAX_TARGETLUN];
+       /* id0 ..... id15, lun0...lun7 */
+#define ARECA_RAID_GONE               0x55
+#define ARECA_RAID_GOOD               0xaa
+       uint32_t                        num_resets;
+       uint32_t                        num_aborts;
+       uint32_t                        firm_request_len;
+       uint32_t                        firm_numbers_queue;
+       uint32_t                        firm_sdram_size;
+       uint32_t                        firm_hd_channels;
+       char                            firm_model[12];
+       char                            firm_version[20];
+};/* HW_DEVICE_EXTENSION */
+/*
+*******************************************************************************
+**                   Command Control Block
+**             this CCB length must be 32 bytes boundary
+*******************************************************************************
+*/
+struct CommandControlBlock
+{
+       struct ARCMSR_CDB               arcmsr_cdb;
+       /*
+       ** 0-503 (size of CDB=504):
+       ** arcmsr messenger scsi command descriptor size 504 bytes
+       */
+       uint32_t                        cdb_shifted_phyaddr;
+       /* 504-507 */
+       uint32_t                        reserved1;
+       /* 508-511 */
+#if BITS_PER_LONG == 64
+       /*  ======================512+64 bytes========================  */
+       struct list_head                list;
+       /* 512-527 16 bytes next/prev ptrs for ccb lists */
+       struct scsi_cmnd *              pcmd;
+       /* 528-535 8 bytes pointer of linux scsi command */
+       struct AdapterControlBlock *    acb;
+       /* 536-543 8 bytes pointer of acb */
+
+       uint16_t                        ccb_flags;
+       /* 544-545 */
+       #define         CCB_FLAG_READ                   0x0000
+       #define         CCB_FLAG_WRITE                  0x0001
+       #define         CCB_FLAG_ERROR                  0x0002
+       #define         CCB_FLAG_FLUSHCACHE             0x0004
+       #define         CCB_FLAG_MASTER_ABORTED         0x0008
+       uint16_t                        startdone;
+       /* 546-547 */
+       #define         ARCMSR_CCB_DONE                 0x0000
+       #define         ARCMSR_CCB_START                0x55AA
+       #define         ARCMSR_CCB_ABORTED              0xAA55
+       #define         ARCMSR_CCB_ILLEGAL              0xFFFF
+       uint32_t                        reserved2[7];
+       /* 548-551 552-555 556-559 560-563 564-567 568-571 572-575 */
+#else
+       /*  ======================512+32 bytes========================  */
+       struct list_head                list;
+       /* 512-519 8 bytes next/prev ptrs for ccb lists */
+       struct scsi_cmnd *              pcmd;
+       /* 520-523 4 bytes pointer of linux scsi command */
+       struct AdapterControlBlock *    acb;
+       /* 524-527 4 bytes pointer of acb */
+
+       uint16_t                        ccb_flags;
+       /* 528-529 */
+       #define         CCB_FLAG_READ                   0x0000
+       #define         CCB_FLAG_WRITE                  0x0001
+       #define         CCB_FLAG_ERROR                  0x0002
+       #define         CCB_FLAG_FLUSHCACHE             0x0004
+       #define         CCB_FLAG_MASTER_ABORTED         0x0008
+       uint16_t                        startdone;
+       /* 530-531 */
+       #define         ARCMSR_CCB_DONE                 0x0000
+       #define         ARCMSR_CCB_START                0x55AA
+       #define         ARCMSR_CCB_ABORTED              0xAA55
+       #define         ARCMSR_CCB_ILLEGAL              0xFFFF
+       uint32_t                        reserved2[3];
+       /* 532-535 536-539 540-543 */
+#endif
+       /*  ==========================================================  */
+};
+/*
+*******************************************************************************
+**    ARECA SCSI sense data
+*******************************************************************************
+*/
+struct SENSE_DATA
+{
+       uint8_t                         ErrorCode:7;
+#define SCSI_SENSE_CURRENT_ERRORS      0x70
+#define SCSI_SENSE_DEFERRED_ERRORS     0x71
+       uint8_t                         Valid:1;
+       uint8_t                         SegmentNumber;
+       uint8_t                         SenseKey:4;
+       uint8_t                         Reserved:1;
+       uint8_t                         IncorrectLength:1;
+       uint8_t                         EndOfMedia:1;
+       uint8_t                         FileMark:1;
+       uint8_t                         Information[4];
+       uint8_t                         AdditionalSenseLength;
+       uint8_t                         CommandSpecificInformation[4];
+       uint8_t                         AdditionalSenseCode;
+       uint8_t                         AdditionalSenseCodeQualifier;
+       uint8_t                         FieldReplaceableUnitCode;
+       uint8_t                         SenseKeySpecific[3];
+};
+/*
+*******************************************************************************
+**  Outbound Interrupt Status Register - OISR
+*******************************************************************************
+*/
+#define     ARCMSR_MU_OUTBOUND_INTERRUPT_STATUS_REG                 0x30
+#define     ARCMSR_MU_OUTBOUND_PCI_INT                              0x10
+#define     ARCMSR_MU_OUTBOUND_POSTQUEUE_INT                        0x08
+#define     ARCMSR_MU_OUTBOUND_DOORBELL_INT                         0x04
+#define     ARCMSR_MU_OUTBOUND_MESSAGE1_INT                         0x02
+#define     ARCMSR_MU_OUTBOUND_MESSAGE0_INT                         0x01
+#define     ARCMSR_MU_OUTBOUND_HANDLE_INT                 \
+                    (ARCMSR_MU_OUTBOUND_MESSAGE0_INT      \
+                     |ARCMSR_MU_OUTBOUND_MESSAGE1_INT     \
+                     |ARCMSR_MU_OUTBOUND_DOORBELL_INT     \
+                     |ARCMSR_MU_OUTBOUND_POSTQUEUE_INT    \
+                     |ARCMSR_MU_OUTBOUND_PCI_INT)
+/*
+*******************************************************************************
+**  Outbound Interrupt Mask Register - OIMR
+*******************************************************************************
+*/
+#define     ARCMSR_MU_OUTBOUND_INTERRUPT_MASK_REG                   0x34
+#define     ARCMSR_MU_OUTBOUND_PCI_INTMASKENABLE                    0x10
+#define     ARCMSR_MU_OUTBOUND_POSTQUEUE_INTMASKENABLE              0x08
+#define     ARCMSR_MU_OUTBOUND_DOORBELL_INTMASKENABLE               0x04
+#define     ARCMSR_MU_OUTBOUND_MESSAGE1_INTMASKENABLE               0x02
+#define     ARCMSR_MU_OUTBOUND_MESSAGE0_INTMASKENABLE               0x01
+#define     ARCMSR_MU_OUTBOUND_ALL_INTMASKENABLE                    0x1F
+
+extern void arcmsr_post_Qbuffer(struct AdapterControlBlock *acb);
+extern struct class_device_attribute *arcmsr_host_attrs[];
+extern int arcmsr_alloc_sysfs_attr(struct AdapterControlBlock *acb);
+void arcmsr_free_sysfs_attr(struct AdapterControlBlock *acb);
+
diff --git a/drivers/scsi/arcmsr/arcmsr_attr.c b/drivers/scsi/arcmsr/arcmsr_attr.c
new file mode 100644 (file)
index 0000000..12497da
--- /dev/null
@@ -0,0 +1,381 @@
+/*
+*******************************************************************************
+**        O.S   : Linux
+**   FILE NAME  : arcmsr_attr.c
+**        BY    : Erich Chen
+**   Description: attributes exported to sysfs and device host
+*******************************************************************************
+** Copyright (C) 2002 - 2005, Areca Technology Corporation All rights reserved
+**
+**     Web site: www.areca.com.tw
+**       E-mail: erich@areca.com.tw
+**
+** This program is free software; you can redistribute it and/or modify
+** it under the terms of the GNU General Public License version 2 as
+** published by the Free Software Foundation.
+** This program is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+** GNU General Public License for more details.
+*******************************************************************************
+** Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions
+** are met:
+** 1. Redistributions of source code must retain the above copyright
+**    notice, this list of conditions and the following disclaimer.
+** 2. Redistributions in binary form must reproduce the above copyright
+**    notice, this list of conditions and the following disclaimer in the
+**    documentation and/or other materials provided with the distribution.
+** 3. The name of the author may not be used to endorse or promote products
+**    derived from this software without specific prior written permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES(INCLUDING,BUT
+** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION)HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE)ARISING IN ANY WAY OUT OF THE USE OF
+** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*******************************************************************************
+** For history of changes, see Documentation/scsi/ChangeLog.arcmsr
+**     Firmware Specification, see Documentation/scsi/arcmsr_spec.txt
+*******************************************************************************
+*/
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/errno.h>
+#include <linux/delay.h>
+#include <linux/pci.h>
+
+#include <scsi/scsi_cmnd.h>
+#include <scsi/scsi_device.h>
+#include <scsi/scsi_host.h>
+#include <scsi/scsi_transport.h>
+#include "arcmsr.h"
+
+struct class_device_attribute *arcmsr_host_attrs[];
+
+static ssize_t
+arcmsr_sysfs_iop_message_read(struct kobject *kobj, char *buf, loff_t off,
+    size_t count)
+{
+       struct class_device *cdev = container_of(kobj,struct class_device,kobj);
+       struct Scsi_Host *host = class_to_shost(cdev);
+       struct AdapterControlBlock *acb = (struct AdapterControlBlock *) host->hostdata;
+       struct MessageUnit __iomem *reg = acb->pmu;
+       uint8_t *pQbuffer,*ptmpQbuffer;
+       int32_t allxfer_len = 0;
+
+       if (!capable(CAP_SYS_ADMIN))
+               return -EACCES;
+
+       /* do message unit read. */
+       ptmpQbuffer = (uint8_t *)buf;
+       while ((acb->rqbuf_firstindex != acb->rqbuf_lastindex)
+               && (allxfer_len < 1031)) {
+               pQbuffer = &acb->rqbuffer[acb->rqbuf_firstindex];
+               memcpy(ptmpQbuffer, pQbuffer, 1);
+               acb->rqbuf_firstindex++;
+               acb->rqbuf_firstindex %= ARCMSR_MAX_QBUFFER;
+               ptmpQbuffer++;
+               allxfer_len++;
+       }
+       if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) {
+               struct QBUFFER __iomem * prbuffer = (struct QBUFFER __iomem *)
+                                       &reg->message_rbuffer;
+               uint8_t __iomem * iop_data = (uint8_t __iomem *)prbuffer->data;
+               int32_t iop_len;
+
+               acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW;
+               iop_len = readl(&prbuffer->data_len);
+               while (iop_len > 0) {
+                       acb->rqbuffer[acb->rqbuf_lastindex] = readb(iop_data);
+                       acb->rqbuf_lastindex++;
+                       acb->rqbuf_lastindex %= ARCMSR_MAX_QBUFFER;
+                       iop_data++;
+                       iop_len--;
+               }
+               writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK,
+                               &reg->inbound_doorbell);
+       }
+       return (allxfer_len);
+}
+
+static ssize_t
+arcmsr_sysfs_iop_message_write(struct kobject *kobj, char *buf, loff_t off,
+    size_t count)
+{
+       struct class_device *cdev = container_of(kobj,struct class_device,kobj);
+       struct Scsi_Host *host = class_to_shost(cdev);
+       struct AdapterControlBlock *acb = (struct AdapterControlBlock *) host->hostdata;
+       int32_t my_empty_len, user_len, wqbuf_firstindex, wqbuf_lastindex;
+       uint8_t *pQbuffer, *ptmpuserbuffer;
+
+       if (!capable(CAP_SYS_ADMIN))
+               return -EACCES;
+       if (count > 1032)
+               return -EINVAL;
+       /* do message unit write. */
+       ptmpuserbuffer = (uint8_t *)buf;
+       user_len = (int32_t)count;
+       wqbuf_lastindex = acb->wqbuf_lastindex;
+       wqbuf_firstindex = acb->wqbuf_firstindex;
+       if (wqbuf_lastindex != wqbuf_firstindex) {
+               arcmsr_post_Qbuffer(acb);
+               return 0;       /*need retry*/
+       } else {
+               my_empty_len = (wqbuf_firstindex-wqbuf_lastindex - 1)
+                               &(ARCMSR_MAX_QBUFFER - 1);
+               if (my_empty_len >= user_len) {
+                       while (user_len > 0) {
+                               pQbuffer =
+                               &acb->wqbuffer[acb->wqbuf_lastindex];
+                               memcpy(pQbuffer, ptmpuserbuffer, 1);
+                               acb->wqbuf_lastindex++;
+                               acb->wqbuf_lastindex %= ARCMSR_MAX_QBUFFER;
+                               ptmpuserbuffer++;
+                               user_len--;
+                       }
+                       if (acb->acb_flags & ACB_F_MESSAGE_WQBUFFER_CLEARED) {
+                               acb->acb_flags &=
+                                       ~ACB_F_MESSAGE_WQBUFFER_CLEARED;
+                               arcmsr_post_Qbuffer(acb);
+                       }
+                       return count;
+               } else {
+                       return 0;       /*need retry*/
+               }
+       }
+}
+
+static ssize_t
+arcmsr_sysfs_iop_message_clear(struct kobject *kobj, char *buf, loff_t off,
+    size_t count)
+{
+       struct class_device *cdev = container_of(kobj,struct class_device,kobj);
+       struct Scsi_Host *host = class_to_shost(cdev);
+       struct AdapterControlBlock *acb = (struct AdapterControlBlock *) host->hostdata;
+       struct MessageUnit __iomem *reg = acb->pmu;
+       uint8_t *pQbuffer;
+
+       if (!capable(CAP_SYS_ADMIN))
+               return -EACCES;
+
+       if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) {
+               acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW;
+               writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK
+                               , &reg->inbound_doorbell);
+       }
+       acb->acb_flags |=
+               (ACB_F_MESSAGE_WQBUFFER_CLEARED
+               | ACB_F_MESSAGE_RQBUFFER_CLEARED
+               | ACB_F_MESSAGE_WQBUFFER_READED);
+       acb->rqbuf_firstindex = 0;
+       acb->rqbuf_lastindex = 0;
+       acb->wqbuf_firstindex = 0;
+       acb->wqbuf_lastindex = 0;
+       pQbuffer = acb->rqbuffer;
+       memset(pQbuffer, 0, sizeof (struct QBUFFER));
+       pQbuffer = acb->wqbuffer;
+       memset(pQbuffer, 0, sizeof (struct QBUFFER));
+       return 1;
+}
+
+static struct bin_attribute arcmsr_sysfs_message_read_attr = {
+       .attr = {
+               .name = "mu_read",
+               .mode = S_IRUSR ,
+               .owner = THIS_MODULE,
+       },
+       .size = 1032,
+       .read = arcmsr_sysfs_iop_message_read,
+};
+
+static struct bin_attribute arcmsr_sysfs_message_write_attr = {
+       .attr = {
+               .name = "mu_write",
+               .mode = S_IWUSR,
+               .owner = THIS_MODULE,
+       },
+       .size = 1032,
+       .write = arcmsr_sysfs_iop_message_write,
+};
+
+static struct bin_attribute arcmsr_sysfs_message_clear_attr = {
+       .attr = {
+               .name = "mu_clear",
+               .mode = S_IWUSR,
+               .owner = THIS_MODULE,
+       },
+       .size = 1,
+       .write = arcmsr_sysfs_iop_message_clear,
+};
+
+int arcmsr_alloc_sysfs_attr(struct AdapterControlBlock *acb)
+{
+       struct Scsi_Host *host = acb->host;
+       int error;
+
+       error = sysfs_create_bin_file(&host->shost_classdev.kobj,
+                               &arcmsr_sysfs_message_read_attr);
+       if (error) {
+               printk(KERN_ERR "arcmsr: alloc sysfs mu_read failed\n");
+               goto error_bin_file_message_read;
+       }
+       error = sysfs_create_bin_file(&host->shost_classdev.kobj,
+                               &arcmsr_sysfs_message_write_attr);
+       if (error) {
+               printk(KERN_ERR "arcmsr: alloc sysfs mu_write failed\n");
+               goto error_bin_file_message_write;
+       }
+       error = sysfs_create_bin_file(&host->shost_classdev.kobj,
+                               &arcmsr_sysfs_message_clear_attr);
+       if (error) {
+               printk(KERN_ERR "arcmsr: alloc sysfs mu_clear failed\n");
+               goto error_bin_file_message_clear;
+       }
+       return 0;
+error_bin_file_message_clear:
+       sysfs_remove_bin_file(&host->shost_classdev.kobj,
+                               &arcmsr_sysfs_message_write_attr);
+error_bin_file_message_write:
+       sysfs_remove_bin_file(&host->shost_classdev.kobj,
+                               &arcmsr_sysfs_message_read_attr);
+error_bin_file_message_read:
+       return error;
+}
+
+void
+arcmsr_free_sysfs_attr(struct AdapterControlBlock *acb) {
+       struct Scsi_Host *host = acb->host;
+
+       sysfs_remove_bin_file(&host->shost_classdev.kobj,
+                               &arcmsr_sysfs_message_clear_attr);
+       sysfs_remove_bin_file(&host->shost_classdev.kobj,
+                               &arcmsr_sysfs_message_write_attr);
+       sysfs_remove_bin_file(&host->shost_classdev.kobj,
+                               &arcmsr_sysfs_message_read_attr);
+}
+
+
+static ssize_t
+arcmsr_attr_host_driver_version(struct class_device *cdev, char *buf) {
+       return snprintf(buf, PAGE_SIZE,
+                       "%s\n",
+                       ARCMSR_DRIVER_VERSION);
+}
+
+static ssize_t
+arcmsr_attr_host_driver_posted_cmd(struct class_device *cdev, char *buf) {
+       struct Scsi_Host *host = class_to_shost(cdev);
+       struct AdapterControlBlock *acb = (struct AdapterControlBlock *) host->hostdata;
+       return snprintf(buf, PAGE_SIZE,
+                       "%4d\n",
+                       atomic_read(&acb->ccboutstandingcount));
+}
+
+static ssize_t
+arcmsr_attr_host_driver_reset(struct class_device *cdev, char *buf) {
+       struct Scsi_Host *host = class_to_shost(cdev);
+       struct AdapterControlBlock *acb = (struct AdapterControlBlock *) host->hostdata;
+       return snprintf(buf, PAGE_SIZE,
+                       "%4d\n",
+                       acb->num_resets);
+}
+
+static ssize_t
+arcmsr_attr_host_driver_abort(struct class_device *cdev, char *buf) {
+       struct Scsi_Host *host = class_to_shost(cdev);
+       struct AdapterControlBlock *acb = (struct AdapterControlBlock *) host->hostdata;
+       return snprintf(buf, PAGE_SIZE,
+                       "%4d\n",
+                       acb->num_aborts);
+}
+
+static ssize_t
+arcmsr_attr_host_fw_model(struct class_device *cdev, char *buf) {
+    struct Scsi_Host *host = class_to_shost(cdev);
+       struct AdapterControlBlock *acb = (struct AdapterControlBlock *) host->hostdata;
+       return snprintf(buf, PAGE_SIZE,
+                       "%s\n",
+                       acb->firm_model);
+}
+
+static ssize_t
+arcmsr_attr_host_fw_version(struct class_device *cdev, char *buf) {
+       struct Scsi_Host *host = class_to_shost(cdev);
+       struct AdapterControlBlock *acb = (struct AdapterControlBlock *) host->hostdata;
+
+       return snprintf(buf, PAGE_SIZE,
+                       "%s\n",
+                       acb->firm_version);
+}
+
+static ssize_t
+arcmsr_attr_host_fw_request_len(struct class_device *cdev, char *buf) {
+       struct Scsi_Host *host = class_to_shost(cdev);
+       struct AdapterControlBlock *acb = (struct AdapterControlBlock *) host->hostdata;
+
+       return snprintf(buf, PAGE_SIZE,
+                       "%4d\n",
+                       acb->firm_request_len);
+}
+
+static ssize_t
+arcmsr_attr_host_fw_numbers_queue(struct class_device *cdev, char *buf) {
+       struct Scsi_Host *host = class_to_shost(cdev);
+       struct AdapterControlBlock *acb = (struct AdapterControlBlock *) host->hostdata;
+
+       return snprintf(buf, PAGE_SIZE,
+                       "%4d\n",
+                       acb->firm_numbers_queue);
+}
+
+static ssize_t
+arcmsr_attr_host_fw_sdram_size(struct class_device *cdev, char *buf) {
+       struct Scsi_Host *host = class_to_shost(cdev);
+       struct AdapterControlBlock *acb = (struct AdapterControlBlock *) host->hostdata;
+
+       return snprintf(buf, PAGE_SIZE,
+                       "%4d\n",
+                       acb->firm_sdram_size);
+}
+
+static ssize_t
+arcmsr_attr_host_fw_hd_channels(struct class_device *cdev, char *buf) {
+       struct Scsi_Host *host = class_to_shost(cdev);
+       struct AdapterControlBlock *acb = (struct AdapterControlBlock *) host->hostdata;
+
+       return snprintf(buf, PAGE_SIZE,
+                       "%4d\n",
+                       acb->firm_hd_channels);
+}
+
+static CLASS_DEVICE_ATTR(host_driver_version, S_IRUGO, arcmsr_attr_host_driver_version, NULL);
+static CLASS_DEVICE_ATTR(host_driver_posted_cmd, S_IRUGO, arcmsr_attr_host_driver_posted_cmd, NULL);
+static CLASS_DEVICE_ATTR(host_driver_reset, S_IRUGO, arcmsr_attr_host_driver_reset, NULL);
+static CLASS_DEVICE_ATTR(host_driver_abort, S_IRUGO, arcmsr_attr_host_driver_abort, NULL);
+static CLASS_DEVICE_ATTR(host_fw_model, S_IRUGO, arcmsr_attr_host_fw_model, NULL);
+static CLASS_DEVICE_ATTR(host_fw_version, S_IRUGO, arcmsr_attr_host_fw_version, NULL);
+static CLASS_DEVICE_ATTR(host_fw_request_len, S_IRUGO, arcmsr_attr_host_fw_request_len, NULL);
+static CLASS_DEVICE_ATTR(host_fw_numbers_queue, S_IRUGO, arcmsr_attr_host_fw_numbers_queue, NULL);
+static CLASS_DEVICE_ATTR(host_fw_sdram_size, S_IRUGO, arcmsr_attr_host_fw_sdram_size, NULL);
+static CLASS_DEVICE_ATTR(host_fw_hd_channels, S_IRUGO, arcmsr_attr_host_fw_hd_channels, NULL);
+
+struct class_device_attribute *arcmsr_host_attrs[] = {
+       &class_device_attr_host_driver_version,
+       &class_device_attr_host_driver_posted_cmd,
+       &class_device_attr_host_driver_reset,
+       &class_device_attr_host_driver_abort,
+       &class_device_attr_host_fw_model,
+       &class_device_attr_host_fw_version,
+       &class_device_attr_host_fw_request_len,
+       &class_device_attr_host_fw_numbers_queue,
+       &class_device_attr_host_fw_sdram_size,
+       &class_device_attr_host_fw_hd_channels,
+       NULL,
+};
diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c
new file mode 100644 (file)
index 0000000..475f978
--- /dev/null
@@ -0,0 +1,1496 @@
+/*
+*******************************************************************************
+**        O.S   : Linux
+**   FILE NAME  : arcmsr_hba.c
+**        BY    : Erich Chen
+**   Description: SCSI RAID Device Driver for
+**                ARECA RAID Host adapter
+*******************************************************************************
+** Copyright (C) 2002 - 2005, Areca Technology Corporation All rights reserved
+**
+**     Web site: www.areca.com.tw
+**       E-mail: erich@areca.com.tw
+**
+** This program is free software; you can redistribute it and/or modify
+** it under the terms of the GNU General Public License version 2 as
+** published by the Free Software Foundation.
+** This program is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+** GNU General Public License for more details.
+*******************************************************************************
+** Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions
+** are met:
+** 1. Redistributions of source code must retain the above copyright
+**    notice, this list of conditions and the following disclaimer.
+** 2. Redistributions in binary form must reproduce the above copyright
+**    notice, this list of conditions and the following disclaimer in the
+**    documentation and/or other materials provided with the distribution.
+** 3. The name of the author may not be used to endorse or promote products
+**    derived from this software without specific prior written permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES(INCLUDING,BUT
+** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION)HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE)ARISING IN ANY WAY OUT OF THE USE OF
+** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*******************************************************************************
+** For history of changes, see Documentation/scsi/ChangeLog.arcmsr
+**     Firmware Specification, see Documentation/scsi/arcmsr_spec.txt
+*******************************************************************************
+*/
+#include <linux/module.h>
+#include <linux/reboot.h>
+#include <linux/spinlock.h>
+#include <linux/pci_ids.h>
+#include <linux/interrupt.h>
+#include <linux/moduleparam.h>
+#include <linux/errno.h>
+#include <linux/types.h>
+#include <linux/delay.h>
+#include <linux/dma-mapping.h>
+#include <linux/timer.h>
+#include <linux/pci.h>
+#include <asm/dma.h>
+#include <asm/io.h>
+#include <asm/system.h>
+#include <asm/uaccess.h>
+#include <scsi/scsi_host.h>
+#include <scsi/scsi.h>
+#include <scsi/scsi_cmnd.h>
+#include <scsi/scsi_tcq.h>
+#include <scsi/scsi_device.h>
+#include <scsi/scsi_transport.h>
+#include <scsi/scsicam.h>
+#include "arcmsr.h"
+
+MODULE_AUTHOR("Erich Chen <erich@areca.com.tw>");
+MODULE_DESCRIPTION("ARECA (ARC11xx/12xx) SATA RAID HOST Adapter");
+MODULE_LICENSE("Dual BSD/GPL");
+MODULE_VERSION(ARCMSR_DRIVER_VERSION);
+
+static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, struct scsi_cmnd *cmd);
+static int arcmsr_abort(struct scsi_cmnd *);
+static int arcmsr_bus_reset(struct scsi_cmnd *);
+static int arcmsr_bios_param(struct scsi_device *sdev,
+                               struct block_device *bdev, sector_t capacity, int *info);
+static int arcmsr_queue_command(struct scsi_cmnd * cmd,
+                               void (*done) (struct scsi_cmnd *));
+static int arcmsr_probe(struct pci_dev *pdev,
+                               const struct pci_device_id *id);
+static void arcmsr_remove(struct pci_dev *pdev);
+static void arcmsr_shutdown(struct pci_dev *pdev);
+static void arcmsr_iop_init(struct AdapterControlBlock *acb);
+static void arcmsr_free_ccb_pool(struct AdapterControlBlock *acb);
+static void arcmsr_stop_adapter_bgrb(struct AdapterControlBlock *acb);
+static void arcmsr_flush_adapter_cache(struct AdapterControlBlock *acb);
+static uint8_t arcmsr_wait_msgint_ready(struct AdapterControlBlock *acb);
+static const char *arcmsr_info(struct Scsi_Host *);
+static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb);
+
+static int arcmsr_adjust_disk_queue_depth(struct scsi_device *sdev, int queue_depth)
+{
+       if (queue_depth > ARCMSR_MAX_CMD_PERLUN)
+               queue_depth = ARCMSR_MAX_CMD_PERLUN;
+       scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, queue_depth);
+       return queue_depth;
+}
+
+static struct scsi_host_template arcmsr_scsi_host_template = {
+       .module                 = THIS_MODULE,
+       .name                   = "ARCMSR ARECA SATA RAID HOST Adapter" ARCMSR_DRIVER_VERSION,
+       .info                   = arcmsr_info,
+       .queuecommand           = arcmsr_queue_command,
+       .eh_abort_handler       = arcmsr_abort,
+       .eh_bus_reset_handler   = arcmsr_bus_reset,
+       .bios_param             = arcmsr_bios_param,
+       .change_queue_depth     = arcmsr_adjust_disk_queue_depth,
+       .can_queue              = ARCMSR_MAX_OUTSTANDING_CMD,
+       .this_id                = ARCMSR_SCSI_INITIATOR_ID,
+       .sg_tablesize           = ARCMSR_MAX_SG_ENTRIES,
+       .max_sectors            = ARCMSR_MAX_XFER_SECTORS,
+       .cmd_per_lun            = ARCMSR_MAX_CMD_PERLUN,
+       .use_clustering         = ENABLE_CLUSTERING,
+       .shost_attrs            = arcmsr_host_attrs,
+};
+
+static struct pci_device_id arcmsr_device_id_table[] = {
+       {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1110)},
+       {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1120)},
+       {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1130)},
+       {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1160)},
+       {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1170)},
+       {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1210)},
+       {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1220)},
+       {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1230)},
+       {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1260)},
+       {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1270)},
+       {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1280)},
+       {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1380)},
+       {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1381)},
+       {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1680)},
+       {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1681)},
+       {0, 0}, /* Terminating entry */
+};
+MODULE_DEVICE_TABLE(pci, arcmsr_device_id_table);
+static struct pci_driver arcmsr_pci_driver = {
+       .name                   = "arcmsr",
+       .id_table               = arcmsr_device_id_table,
+       .probe                  = arcmsr_probe,
+       .remove                 = arcmsr_remove,
+       .shutdown               = arcmsr_shutdown
+};
+
+static irqreturn_t arcmsr_do_interrupt(int irq, void *dev_id,
+       struct pt_regs *regs)
+{
+       irqreturn_t handle_state;
+       struct AdapterControlBlock *acb;
+       unsigned long flags;
+
+       acb = (struct AdapterControlBlock *)dev_id;
+
+       spin_lock_irqsave(acb->host->host_lock, flags);
+       handle_state = arcmsr_interrupt(acb);
+       spin_unlock_irqrestore(acb->host->host_lock, flags);
+       return handle_state;
+}
+
+static int arcmsr_bios_param(struct scsi_device *sdev,
+               struct block_device *bdev, sector_t capacity, int *geom)
+{
+       int ret, heads, sectors, cylinders, total_capacity;
+       unsigned char *buffer;/* return copy of block device's partition table */
+
+       buffer = scsi_bios_ptable(bdev);
+       if (buffer) {
+               ret = scsi_partsize(buffer, capacity, &geom[2], &geom[0], &geom[1]);
+               kfree(buffer);
+               if (ret != -1)
+                       return ret;
+       }
+       total_capacity = capacity;
+       heads = 64;
+       sectors = 32;
+       cylinders = total_capacity / (heads * sectors);
+       if (cylinders > 1024) {
+               heads = 255;
+               sectors = 63;
+               cylinders = total_capacity / (heads * sectors);
+       }
+       geom[0] = heads;
+       geom[1] = sectors;
+       geom[2] = cylinders;
+       return 0;
+}
+
+static int arcmsr_alloc_ccb_pool(struct AdapterControlBlock *acb)
+{
+       struct pci_dev *pdev = acb->pdev;
+       struct MessageUnit __iomem *reg = acb->pmu;
+       u32 ccb_phyaddr_hi32;
+       void *dma_coherent;
+       dma_addr_t dma_coherent_handle, dma_addr;
+       struct CommandControlBlock *ccb_tmp;
+       int i, j;
+
+       dma_coherent = dma_alloc_coherent(&pdev->dev,
+                       ARCMSR_MAX_FREECCB_NUM *
+                       sizeof (struct CommandControlBlock) + 0x20,
+                       &dma_coherent_handle, GFP_KERNEL);
+       if (!dma_coherent)
+               return -ENOMEM;
+
+       acb->dma_coherent = dma_coherent;
+       acb->dma_coherent_handle = dma_coherent_handle;
+
+       if (((unsigned long)dma_coherent & 0x1F)) {
+               dma_coherent = dma_coherent +
+                       (0x20 - ((unsigned long)dma_coherent & 0x1F));
+               dma_coherent_handle = dma_coherent_handle +
+                       (0x20 - ((unsigned long)dma_coherent_handle & 0x1F));
+       }
+
+       dma_addr = dma_coherent_handle;
+       ccb_tmp = (struct CommandControlBlock *)dma_coherent;
+       for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) {
+               ccb_tmp->cdb_shifted_phyaddr = dma_addr >> 5;
+               ccb_tmp->acb = acb;
+               acb->pccb_pool[i] = ccb_tmp;
+               list_add_tail(&ccb_tmp->list, &acb->ccb_free_list);
+               dma_addr = dma_addr + sizeof (struct CommandControlBlock);
+               ccb_tmp++;
+       }
+
+       acb->vir2phy_offset = (unsigned long)ccb_tmp -
+                             (unsigned long)dma_addr;
+       for (i = 0; i < ARCMSR_MAX_TARGETID; i++)
+               for (j = 0; j < ARCMSR_MAX_TARGETLUN; j++)
+                       acb->devstate[i][j] = ARECA_RAID_GOOD;
+
+       /*
+       ** here we need to tell iop 331 our ccb_tmp.HighPart
+       ** if ccb_tmp.HighPart is not zero
+       */
+       ccb_phyaddr_hi32 = (uint32_t) ((dma_coherent_handle >> 16) >> 16);
+       if (ccb_phyaddr_hi32 != 0) {
+               writel(ARCMSR_SIGNATURE_SET_CONFIG, &reg->message_rwbuffer[0]);
+               writel(ccb_phyaddr_hi32, &reg->message_rwbuffer[1]);
+               writel(ARCMSR_INBOUND_MESG0_SET_CONFIG, &reg->inbound_msgaddr0);
+               if (arcmsr_wait_msgint_ready(acb))
+                       printk(KERN_NOTICE "arcmsr%d: "
+                              "'set ccb high part physical address' timeout\n",
+                               acb->host->host_no);
+       }
+
+       writel(readl(&reg->outbound_intmask) |
+                       ARCMSR_MU_OUTBOUND_ALL_INTMASKENABLE,
+              &reg->outbound_intmask);
+       return 0;
+}
+
+static int arcmsr_probe(struct pci_dev *pdev,
+       const struct pci_device_id *id)
+{
+       struct Scsi_Host *host;
+       struct AdapterControlBlock *acb;
+       uint8_t bus, dev_fun;
+       int error;
+
+       error = pci_enable_device(pdev);
+       if (error)
+               goto out;
+       pci_set_master(pdev);
+
+       host = scsi_host_alloc(&arcmsr_scsi_host_template,
+                       sizeof(struct AdapterControlBlock));
+       if (!host) {
+               error = -ENOMEM;
+               goto out_disable_device;
+       }
+       acb = (struct AdapterControlBlock *)host->hostdata;
+       memset(acb, 0, sizeof (struct AdapterControlBlock));
+
+       error = pci_set_dma_mask(pdev, DMA_64BIT_MASK);
+       if (error) {
+               error = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
+               if (error) {
+                       printk(KERN_WARNING
+                              "scsi%d: No suitable DMA mask available\n",
+                              host->host_no);
+                       goto out_host_put;
+               }
+       }
+       bus = pdev->bus->number;
+       dev_fun = pdev->devfn;
+       acb->host = host;
+       acb->pdev = pdev;
+       host->max_sectors = ARCMSR_MAX_XFER_SECTORS;
+       host->max_lun = ARCMSR_MAX_TARGETLUN;
+       host->max_id = ARCMSR_MAX_TARGETID;/*16:8*/
+       host->max_cmd_len = 16;    /*this is issue of 64bit LBA, over 2T byte*/
+       host->sg_tablesize = ARCMSR_MAX_SG_ENTRIES;
+       host->can_queue = ARCMSR_MAX_FREECCB_NUM; /* max simultaneous cmds */
+       host->cmd_per_lun = ARCMSR_MAX_CMD_PERLUN;
+       host->this_id = ARCMSR_SCSI_INITIATOR_ID;
+       host->unique_id = (bus << 8) | dev_fun;
+       host->irq = pdev->irq;
+       error = pci_request_regions(pdev, "arcmsr");
+       if (error)
+               goto out_host_put;
+
+       acb->pmu = ioremap(pci_resource_start(pdev, 0),
+                          pci_resource_len(pdev, 0));
+       if (!acb->pmu) {
+               printk(KERN_NOTICE "arcmsr%d: memory"
+                       " mapping region fail \n", acb->host->host_no);
+               goto out_release_regions;
+       }
+       acb->acb_flags |= (ACB_F_MESSAGE_WQBUFFER_CLEARED |
+                          ACB_F_MESSAGE_RQBUFFER_CLEARED |
+                          ACB_F_MESSAGE_WQBUFFER_READED);
+       acb->acb_flags &= ~ACB_F_SCSISTOPADAPTER;
+       INIT_LIST_HEAD(&acb->ccb_free_list);
+
+       error = arcmsr_alloc_ccb_pool(acb);
+       if (error)
+               goto out_iounmap;
+
+       error = request_irq(pdev->irq, arcmsr_do_interrupt,
+                       SA_INTERRUPT | SA_SHIRQ, "arcmsr", acb);
+       if (error)
+               goto out_free_ccb_pool;
+
+       arcmsr_iop_init(acb);
+       pci_set_drvdata(pdev, host);
+
+       error = scsi_add_host(host, &pdev->dev);
+       if (error)
+               goto out_free_irq;
+
+       error = arcmsr_alloc_sysfs_attr(acb);
+       if (error)
+               goto out_free_sysfs;
+
+       scsi_scan_host(host);
+       return 0;
+ out_free_sysfs:
+ out_free_irq:
+       free_irq(pdev->irq, acb);
+ out_free_ccb_pool:
+       arcmsr_free_ccb_pool(acb);
+ out_iounmap:
+       iounmap(acb->pmu);
+ out_release_regions:
+       pci_release_regions(pdev);
+ out_host_put:
+       scsi_host_put(host);
+ out_disable_device:
+       pci_disable_device(pdev);
+ out:
+       return error;
+}
+
+static void arcmsr_abort_allcmd(struct AdapterControlBlock *acb)
+{
+       struct MessageUnit __iomem *reg = acb->pmu;
+
+       writel(ARCMSR_INBOUND_MESG0_ABORT_CMD, &reg->inbound_msgaddr0);
+       if (arcmsr_wait_msgint_ready(acb))
+               printk(KERN_NOTICE
+                       "arcmsr%d: wait 'abort all outstanding command' timeout \n"
+                       , acb->host->host_no);
+}
+
+static void arcmsr_pci_unmap_dma(struct CommandControlBlock *ccb)
+{
+       struct AdapterControlBlock *acb = ccb->acb;
+       struct scsi_cmnd *pcmd = ccb->pcmd;
+
+       if (pcmd->use_sg != 0) {
+               struct scatterlist *sl;
+
+               sl = (struct scatterlist *)pcmd->request_buffer;
+               pci_unmap_sg(acb->pdev, sl, pcmd->use_sg, pcmd->sc_data_direction);
+       }
+       else if (pcmd->request_bufflen != 0)
+               pci_unmap_single(acb->pdev,
+                       pcmd->SCp.dma_handle,
+                       pcmd->request_bufflen, pcmd->sc_data_direction);
+}
+
+static void arcmsr_ccb_complete(struct CommandControlBlock *ccb, int stand_flag)
+{
+       struct AdapterControlBlock *acb = ccb->acb;
+       struct scsi_cmnd *pcmd = ccb->pcmd;
+
+       arcmsr_pci_unmap_dma(ccb);
+       if (stand_flag == 1)
+               atomic_dec(&acb->ccboutstandingcount);
+       ccb->startdone = ARCMSR_CCB_DONE;
+       ccb->ccb_flags = 0;
+       list_add_tail(&ccb->list, &acb->ccb_free_list);
+       pcmd->scsi_done(pcmd);
+}
+
+static void arcmsr_remove(struct pci_dev *pdev)
+{
+       struct Scsi_Host *host = pci_get_drvdata(pdev);
+       struct AdapterControlBlock *acb =
+               (struct AdapterControlBlock *) host->hostdata;
+       struct MessageUnit __iomem *reg = acb->pmu;
+       int poll_count = 0;
+
+       arcmsr_free_sysfs_attr(acb);
+       scsi_remove_host(host);
+       arcmsr_stop_adapter_bgrb(acb);
+       arcmsr_flush_adapter_cache(acb);
+       writel(readl(&reg->outbound_intmask) |
+               ARCMSR_MU_OUTBOUND_ALL_INTMASKENABLE,
+               &reg->outbound_intmask);
+       acb->acb_flags |= ACB_F_SCSISTOPADAPTER;
+       acb->acb_flags &= ~ACB_F_IOP_INITED;
+
+       for (poll_count = 0; poll_count < 256; poll_count++) {
+               if (!atomic_read(&acb->ccboutstandingcount))
+                       break;
+               arcmsr_interrupt(acb);
+               msleep(25);
+       }
+
+       if (atomic_read(&acb->ccboutstandingcount)) {
+               int i;
+
+               arcmsr_abort_allcmd(acb);
+               for (i = 0; i < ARCMSR_MAX_OUTSTANDING_CMD; i++)
+                       readl(&reg->outbound_queueport);
+               for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) {
+                       struct CommandControlBlock *ccb = acb->pccb_pool[i];
+                       if (ccb->startdone == ARCMSR_CCB_START) {
+                               ccb->startdone = ARCMSR_CCB_ABORTED;
+                               ccb->pcmd->result = DID_ABORT << 16;
+                               arcmsr_ccb_complete(ccb, 1);
+                       }
+               }
+       }
+
+       free_irq(pdev->irq, acb);
+       iounmap(acb->pmu);
+       arcmsr_free_ccb_pool(acb);
+       pci_release_regions(pdev);
+
+       scsi_host_put(host);
+
+       pci_disable_device(pdev);
+       pci_set_drvdata(pdev, NULL);
+}
+
+static void arcmsr_shutdown(struct pci_dev *pdev)
+{
+       struct Scsi_Host *host = pci_get_drvdata(pdev);
+       struct AdapterControlBlock *acb =
+               (struct AdapterControlBlock *)host->hostdata;
+
+       arcmsr_stop_adapter_bgrb(acb);
+       arcmsr_flush_adapter_cache(acb);
+}
+
+static int arcmsr_module_init(void)
+{
+       int error = 0;
+
+       error = pci_register_driver(&arcmsr_pci_driver);
+       return error;
+}
+
+static void arcmsr_module_exit(void)
+{
+       pci_unregister_driver(&arcmsr_pci_driver);
+}
+module_init(arcmsr_module_init);
+module_exit(arcmsr_module_exit);
+
+static u32 arcmsr_disable_outbound_ints(struct AdapterControlBlock *acb)
+{
+       struct MessageUnit __iomem *reg = acb->pmu;
+       u32 orig_mask = readl(&reg->outbound_intmask);
+
+       writel(orig_mask | ARCMSR_MU_OUTBOUND_ALL_INTMASKENABLE,
+                       &reg->outbound_intmask);
+       return orig_mask;
+}
+
+static void arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb,
+               u32 orig_mask)
+{
+       struct MessageUnit __iomem *reg = acb->pmu;
+       u32 mask;
+
+       mask = orig_mask & ~(ARCMSR_MU_OUTBOUND_POSTQUEUE_INTMASKENABLE |
+                            ARCMSR_MU_OUTBOUND_DOORBELL_INTMASKENABLE);
+       writel(mask, &reg->outbound_intmask);
+}
+
+static void arcmsr_flush_adapter_cache(struct AdapterControlBlock *acb)
+{
+       struct MessageUnit __iomem *reg=acb->pmu;
+
+       writel(ARCMSR_INBOUND_MESG0_FLUSH_CACHE, &reg->inbound_msgaddr0);
+       if (arcmsr_wait_msgint_ready(acb))
+               printk(KERN_NOTICE
+                       "arcmsr%d: wait 'flush adapter cache' timeout \n"
+                       , acb->host->host_no);
+}
+
+static void arcmsr_report_sense_info(struct CommandControlBlock *ccb)
+{
+       struct scsi_cmnd *pcmd = ccb->pcmd;
+       struct SENSE_DATA *sensebuffer = (struct SENSE_DATA *)pcmd->sense_buffer;
+
+       pcmd->result = DID_OK << 16;
+       if (sensebuffer) {
+               int sense_data_length =
+                       sizeof (struct SENSE_DATA) < sizeof (pcmd->sense_buffer)
+                       ? sizeof (struct SENSE_DATA) : sizeof (pcmd->sense_buffer);
+               memset(sensebuffer, 0, sizeof (pcmd->sense_buffer));
+               memcpy(sensebuffer, ccb->arcmsr_cdb.SenseData, sense_data_length);
+               sensebuffer->ErrorCode = SCSI_SENSE_CURRENT_ERRORS;
+               sensebuffer->Valid = 1;
+       }
+}
+
+static uint8_t arcmsr_wait_msgint_ready(struct AdapterControlBlock *acb)
+{
+       struct MessageUnit __iomem *reg = acb->pmu;
+       uint32_t Index;
+       uint8_t Retries = 0x00;
+
+       do {
+               for (Index = 0; Index < 100; Index++) {
+                       if (readl(&reg->outbound_intstatus)
+                               & ARCMSR_MU_OUTBOUND_MESSAGE0_INT) {
+                               writel(ARCMSR_MU_OUTBOUND_MESSAGE0_INT
+                                       , &reg->outbound_intstatus);
+                               return 0x00;
+                       }
+                       msleep_interruptible(10);
+               }/*max 1 seconds*/
+       } while (Retries++ < 20);/*max 20 sec*/
+       return 0xff;
+}
+
+static void arcmsr_build_ccb(struct AdapterControlBlock *acb,
+       struct CommandControlBlock *ccb, struct scsi_cmnd *pcmd)
+{
+       struct ARCMSR_CDB *arcmsr_cdb = (struct ARCMSR_CDB *)&ccb->arcmsr_cdb;
+       int8_t *psge = (int8_t *)&arcmsr_cdb->u;
+       uint32_t address_lo, address_hi;
+       int arccdbsize = 0x30;
+
+       ccb->pcmd = pcmd;
+       memset(arcmsr_cdb, 0, sizeof (struct ARCMSR_CDB));
+       arcmsr_cdb->Bus = 0;
+       arcmsr_cdb->TargetID = pcmd->device->id;
+       arcmsr_cdb->LUN = pcmd->device->lun;
+       arcmsr_cdb->Function = 1;
+       arcmsr_cdb->CdbLength = (uint8_t)pcmd->cmd_len;
+       arcmsr_cdb->Context = (unsigned long)arcmsr_cdb;
+       memcpy(arcmsr_cdb->Cdb, pcmd->cmnd, pcmd->cmd_len);
+       if (pcmd->use_sg) {
+               int length, sgcount, i, cdb_sgcount = 0;
+               struct scatterlist *sl;
+
+               /* Get Scatter Gather List from scsiport. */
+               sl = (struct scatterlist *) pcmd->request_buffer;
+               sgcount = pci_map_sg(acb->pdev, sl, pcmd->use_sg,
+                               pcmd->sc_data_direction);
+               /* map stor port SG list to our iop SG List. */
+               for (i = 0; i < sgcount; i++) {
+                       /* Get the physical address of the current data pointer */
+                       length = cpu_to_le32(sg_dma_len(sl));
+                       address_lo = cpu_to_le32(dma_addr_lo32(sg_dma_address(sl)));
+                       address_hi = cpu_to_le32(dma_addr_hi32(sg_dma_address(sl)));
+                       if (address_hi == 0) {
+                               struct SG32ENTRY *pdma_sg = (struct SG32ENTRY *)psge;
+
+                               pdma_sg->address = address_lo;
+                               pdma_sg->length = length;
+                               psge += sizeof (struct SG32ENTRY);
+                               arccdbsize += sizeof (struct SG32ENTRY);
+                       } else {
+                               struct SG64ENTRY *pdma_sg = (struct SG64ENTRY *)psge;
+
+                               pdma_sg->addresshigh = address_hi;
+                               pdma_sg->address = address_lo;
+                               pdma_sg->length = length|IS_SG64_ADDR;
+                               psge += sizeof (struct SG64ENTRY);
+                               arccdbsize += sizeof (struct SG64ENTRY);
+                       }
+                       sl++;
+                       cdb_sgcount++;
+               }
+               arcmsr_cdb->sgcount = (uint8_t)cdb_sgcount;
+               arcmsr_cdb->DataLength = pcmd->request_bufflen;
+               if ( arccdbsize > 256)
+                       arcmsr_cdb->Flags |= ARCMSR_CDB_FLAG_SGL_BSIZE;
+       } else if (pcmd->request_bufflen) {
+               dma_addr_t dma_addr;
+               dma_addr = pci_map_single(acb->pdev, pcmd->request_buffer,
+                               pcmd->request_bufflen, pcmd->sc_data_direction);
+               pcmd->SCp.dma_handle = dma_addr;
+               address_lo = cpu_to_le32(dma_addr_lo32(dma_addr));
+               address_hi = cpu_to_le32(dma_addr_hi32(dma_addr));
+               if (address_hi == 0) {
+                       struct  SG32ENTRY *pdma_sg = (struct SG32ENTRY *)psge;
+                       pdma_sg->address = address_lo;
+                       pdma_sg->length = pcmd->request_bufflen;
+               } else {
+                       struct SG64ENTRY *pdma_sg = (struct SG64ENTRY *)psge;
+                       pdma_sg->addresshigh = address_hi;
+                       pdma_sg->address = address_lo;
+                       pdma_sg->length = pcmd->request_bufflen|IS_SG64_ADDR;
+               }
+               arcmsr_cdb->sgcount = 1;
+               arcmsr_cdb->DataLength = pcmd->request_bufflen;
+       }
+       if (pcmd->sc_data_direction == DMA_TO_DEVICE ) {
+               arcmsr_cdb->Flags |= ARCMSR_CDB_FLAG_WRITE;
+               ccb->ccb_flags |= CCB_FLAG_WRITE;
+       }
+}
+
+static void arcmsr_post_ccb(struct AdapterControlBlock *acb, struct CommandControlBlock *ccb)
+{
+       struct MessageUnit __iomem *reg = acb->pmu;
+       uint32_t cdb_shifted_phyaddr = ccb->cdb_shifted_phyaddr;
+       struct ARCMSR_CDB *arcmsr_cdb = (struct ARCMSR_CDB *)&ccb->arcmsr_cdb;
+
+       atomic_inc(&acb->ccboutstandingcount);
+       ccb->startdone = ARCMSR_CCB_START;
+       if (arcmsr_cdb->Flags & ARCMSR_CDB_FLAG_SGL_BSIZE)
+               writel(cdb_shifted_phyaddr | ARCMSR_CCBPOST_FLAG_SGL_BSIZE,
+                       &reg->inbound_queueport);
+       else
+               writel(cdb_shifted_phyaddr, &reg->inbound_queueport);
+}
+
+void arcmsr_post_Qbuffer(struct AdapterControlBlock *acb)
+{
+       struct MessageUnit __iomem *reg = acb->pmu;
+       struct QBUFFER __iomem *pwbuffer = (struct QBUFFER __iomem *) &reg->message_wbuffer;
+       uint8_t __iomem *iop_data = (uint8_t __iomem *) pwbuffer->data;
+       int32_t allxfer_len = 0;
+
+       if (acb->acb_flags & ACB_F_MESSAGE_WQBUFFER_READED) {
+               acb->acb_flags &= (~ACB_F_MESSAGE_WQBUFFER_READED);
+               while ((acb->wqbuf_firstindex != acb->wqbuf_lastindex)
+                       && (allxfer_len < 124)) {
+                       writeb(acb->wqbuffer[acb->wqbuf_firstindex], iop_data);
+                       acb->wqbuf_firstindex++;
+                       acb->wqbuf_firstindex %= ARCMSR_MAX_QBUFFER;
+                       iop_data++;
+                       allxfer_len++;
+               }
+               writel(allxfer_len, &pwbuffer->data_len);
+               writel(ARCMSR_INBOUND_DRIVER_DATA_WRITE_OK
+                       , &reg->inbound_doorbell);
+       }
+}
+
+static void arcmsr_stop_adapter_bgrb(struct AdapterControlBlock *acb)
+{
+       struct MessageUnit __iomem *reg = acb->pmu;
+
+       acb->acb_flags &= ~ACB_F_MSG_START_BGRB;
+       writel(ARCMSR_INBOUND_MESG0_STOP_BGRB, &reg->inbound_msgaddr0);
+       if (arcmsr_wait_msgint_ready(acb))
+               printk(KERN_NOTICE
+                       "arcmsr%d: wait 'stop adapter background rebulid' timeout \n"
+                       , acb->host->host_no);
+}
+
+static void arcmsr_free_ccb_pool(struct AdapterControlBlock *acb)
+{
+       dma_free_coherent(&acb->pdev->dev,
+               ARCMSR_MAX_FREECCB_NUM * sizeof (struct CommandControlBlock) + 0x20,
+               acb->dma_coherent,
+               acb->dma_coherent_handle);
+}
+
+static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb)
+{
+       struct MessageUnit __iomem *reg = acb->pmu;
+       struct CommandControlBlock *ccb;
+       uint32_t flag_ccb, outbound_intstatus, outbound_doorbell;
+
+       outbound_intstatus = readl(&reg->outbound_intstatus)
+               & acb->outbound_int_enable;
+       writel(outbound_intstatus, &reg->outbound_intstatus);
+       if (outbound_intstatus & ARCMSR_MU_OUTBOUND_DOORBELL_INT) {
+               outbound_doorbell = readl(&reg->outbound_doorbell);
+               writel(outbound_doorbell, &reg->outbound_doorbell);
+               if (outbound_doorbell & ARCMSR_OUTBOUND_IOP331_DATA_WRITE_OK) {
+                       struct QBUFFER __iomem * prbuffer =
+                               (struct QBUFFER __iomem *) &reg->message_rbuffer;
+                       uint8_t __iomem * iop_data = (uint8_t __iomem *)prbuffer->data;
+                       int32_t my_empty_len, iop_len, rqbuf_firstindex, rqbuf_lastindex;
+
+                       rqbuf_lastindex = acb->rqbuf_lastindex;
+                       rqbuf_firstindex = acb->rqbuf_firstindex;
+                       iop_len = readl(&prbuffer->data_len);
+                       my_empty_len = (rqbuf_firstindex - rqbuf_lastindex - 1)
+                                       &(ARCMSR_MAX_QBUFFER - 1);
+                       if (my_empty_len >= iop_len) {
+                               while (iop_len > 0) {
+                                       acb->rqbuffer[acb->rqbuf_lastindex] = readb(iop_data);
+                                       acb->rqbuf_lastindex++;
+                                       acb->rqbuf_lastindex %= ARCMSR_MAX_QBUFFER;
+                                       iop_data++;
+                                       iop_len--;
+                               }
+                               writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK,
+                                       &reg->inbound_doorbell);
+                       } else
+                               acb->acb_flags |= ACB_F_IOPDATA_OVERFLOW;
+               }
+               if (outbound_doorbell & ARCMSR_OUTBOUND_IOP331_DATA_READ_OK) {
+                       acb->acb_flags |= ACB_F_MESSAGE_WQBUFFER_READED;
+                       if (acb->wqbuf_firstindex != acb->wqbuf_lastindex) {
+                               struct QBUFFER __iomem * pwbuffer =
+                                               (struct QBUFFER __iomem *) &reg->message_wbuffer;
+                               uint8_t __iomem * iop_data = (uint8_t __iomem *) pwbuffer->data;
+                               int32_t allxfer_len = 0;
+
+                               acb->acb_flags &= (~ACB_F_MESSAGE_WQBUFFER_READED);
+                               while ((acb->wqbuf_firstindex != acb->wqbuf_lastindex)
+                                       && (allxfer_len < 124)) {
+                                       writeb(acb->wqbuffer[acb->wqbuf_firstindex], iop_data);
+                                       acb->wqbuf_firstindex++;
+                                       acb->wqbuf_firstindex %= ARCMSR_MAX_QBUFFER;
+                                       iop_data++;
+                                       allxfer_len++;
+                               }
+                               writel(allxfer_len, &pwbuffer->data_len);
+                               writel(ARCMSR_INBOUND_DRIVER_DATA_WRITE_OK,
+                                       &reg->inbound_doorbell);
+                       }
+                       if (acb->wqbuf_firstindex == acb->wqbuf_lastindex)
+                               acb->acb_flags |= ACB_F_MESSAGE_WQBUFFER_CLEARED;
+               }
+       }
+       if (outbound_intstatus & ARCMSR_MU_OUTBOUND_POSTQUEUE_INT) {
+               int id, lun;
+               /*
+               ****************************************************************
+               **               areca cdb command done
+               ****************************************************************
+               */
+               while (1) {
+                       if ((flag_ccb = readl(&reg->outbound_queueport)) == 0xFFFFFFFF)
+                               break;/*chip FIFO no ccb for completion already*/
+                       /* check if command done with no error*/
+                       ccb = (struct CommandControlBlock *)(acb->vir2phy_offset +
+                               (flag_ccb << 5));
+                       if ((ccb->acb != acb) || (ccb->startdone != ARCMSR_CCB_START)) {
+                               if (ccb->startdone == ARCMSR_CCB_ABORTED) {
+                                       struct scsi_cmnd *abortcmd=ccb->pcmd;
+                                       if (abortcmd) {
+                                       abortcmd->result |= DID_ABORT >> 16;
+                                       arcmsr_ccb_complete(ccb, 1);
+                                       printk(KERN_NOTICE
+                                               "arcmsr%d: ccb='0x%p' isr got aborted command \n"
+                                               , acb->host->host_no, ccb);
+                                       }
+                                       continue;
+                               }
+                               printk(KERN_NOTICE
+                                       "arcmsr%d: isr get an illegal ccb command done acb='0x%p'"
+                                       "ccb='0x%p' ccbacb='0x%p' startdone = 0x%x"
+                                       " ccboutstandingcount=%d \n"
+                                       , acb->host->host_no
+                                       , acb
+                                       , ccb
+                                       , ccb->acb
+                                       , ccb->startdone
+                                       , atomic_read(&acb->ccboutstandingcount));
+                               continue;
+                       }
+                       id = ccb->pcmd->device->id;
+                       lun = ccb->pcmd->device->lun;
+                       if (!(flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR)) {
+                               if (acb->devstate[id][lun] == ARECA_RAID_GONE)
+                                       acb->devstate[id][lun] = ARECA_RAID_GOOD;
+                               ccb->pcmd->result = DID_OK << 16;
+                               arcmsr_ccb_complete(ccb, 1);
+                       } else {
+                               switch(ccb->arcmsr_cdb.DeviceStatus) {
+                               case ARCMSR_DEV_SELECT_TIMEOUT: {
+                                               acb->devstate[id][lun] = ARECA_RAID_GONE;
+                                               ccb->pcmd->result = DID_TIME_OUT << 16;
+                                               arcmsr_ccb_complete(ccb, 1);
+                                       }
+                                       break;
+                               case ARCMSR_DEV_ABORTED:
+                               case ARCMSR_DEV_INIT_FAIL: {
+                                               acb->devstate[id][lun] = ARECA_RAID_GONE;
+                                               ccb->pcmd->result = DID_BAD_TARGET << 16;
+                                               arcmsr_ccb_complete(ccb, 1);
+                                       }
+                                       break;
+                               case ARCMSR_DEV_CHECK_CONDITION: {
+                                               acb->devstate[id][lun] = ARECA_RAID_GOOD;
+                                               arcmsr_report_sense_info(ccb);
+                                               arcmsr_ccb_complete(ccb, 1);
+                                       }
+                                       break;
+                               default:
+                                       printk(KERN_NOTICE
+                                               "arcmsr%d: scsi id=%d lun=%d"
+                                               " isr get command error done,"
+                                               "but got unknown DeviceStatus = 0x%x \n"
+                                               , acb->host->host_no
+                                               , id
+                                               , lun
+                                               , ccb->arcmsr_cdb.DeviceStatus);
+                                               acb->devstate[id][lun] = ARECA_RAID_GONE;
+                                               ccb->pcmd->result = DID_NO_CONNECT << 16;
+                                               arcmsr_ccb_complete(ccb, 1);
+                                       break;
+                               }
+                       }
+               }/*drain reply FIFO*/
+       }
+       if (!(outbound_intstatus & ARCMSR_MU_OUTBOUND_HANDLE_INT))
+               return IRQ_NONE;
+       return IRQ_HANDLED;
+}
+
+static void arcmsr_iop_parking(struct AdapterControlBlock *acb)
+{
+       if (acb) {
+               /* stop adapter background rebuild */
+               if (acb->acb_flags & ACB_F_MSG_START_BGRB) {
+                       acb->acb_flags &= ~ACB_F_MSG_START_BGRB;
+                       arcmsr_stop_adapter_bgrb(acb);
+                       arcmsr_flush_adapter_cache(acb);
+               }
+       }
+}
+
+static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, struct scsi_cmnd *cmd)
+{
+       struct MessageUnit __iomem *reg = acb->pmu;
+       struct CMD_MESSAGE_FIELD *pcmdmessagefld;
+       int retvalue = 0, transfer_len = 0;
+       char *buffer;
+       uint32_t controlcode = (uint32_t ) cmd->cmnd[5] << 24 |
+                                               (uint32_t ) cmd->cmnd[6] << 16 |
+                                               (uint32_t ) cmd->cmnd[7] << 8  |
+                                               (uint32_t ) cmd->cmnd[8];
+                                       /* 4 bytes: Areca io control code */
+       if (cmd->use_sg) {
+               struct scatterlist *sg = (struct scatterlist *)cmd->request_buffer;
+
+               buffer = kmap_atomic(sg->page, KM_IRQ0) + sg->offset;
+               if (cmd->use_sg > 1) {
+                       retvalue = ARCMSR_MESSAGE_FAIL;
+                       goto message_out;
+               }
+               transfer_len += sg->length;
+       } else {
+               buffer = cmd->request_buffer;
+               transfer_len = cmd->request_bufflen;
+       }
+       if (transfer_len > sizeof(struct CMD_MESSAGE_FIELD)) {
+               retvalue = ARCMSR_MESSAGE_FAIL;
+               goto message_out;
+       }
+       pcmdmessagefld = (struct CMD_MESSAGE_FIELD *) buffer;
+       switch(controlcode) {
+       case ARCMSR_MESSAGE_READ_RQBUFFER: {
+                       unsigned long *ver_addr;
+                       dma_addr_t buf_handle;
+                       uint8_t *pQbuffer, *ptmpQbuffer;
+                       int32_t allxfer_len = 0;
+
+                       ver_addr = pci_alloc_consistent(acb->pdev, 1032, &buf_handle);
+                       if (!ver_addr) {
+                               retvalue = ARCMSR_MESSAGE_FAIL;
+                               goto message_out;
+                       }
+                       ptmpQbuffer = (uint8_t *) ver_addr;
+                       while ((acb->rqbuf_firstindex != acb->rqbuf_lastindex)
+                               && (allxfer_len < 1031)) {
+                               pQbuffer = &acb->rqbuffer[acb->rqbuf_firstindex];
+                               memcpy(ptmpQbuffer, pQbuffer, 1);
+                               acb->rqbuf_firstindex++;
+                               acb->rqbuf_firstindex %= ARCMSR_MAX_QBUFFER;
+                               ptmpQbuffer++;
+                               allxfer_len++;
+                       }
+                       if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) {
+                               struct QBUFFER __iomem * prbuffer = (struct QBUFFER __iomem *)
+                                                       &reg->message_rbuffer;
+                               uint8_t __iomem * iop_data = (uint8_t __iomem *)prbuffer->data;
+                               int32_t iop_len;
+
+                               acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW;
+                               iop_len = readl(&prbuffer->data_len);
+                               while (iop_len > 0) {
+                                       acb->rqbuffer[acb->rqbuf_lastindex] = readb(iop_data);
+                                       acb->rqbuf_lastindex++;
+                                       acb->rqbuf_lastindex %= ARCMSR_MAX_QBUFFER;
+                                       iop_data++;
+                                       iop_len--;
+                               }
+                               writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK,
+                                               &reg->inbound_doorbell);
+                       }
+                       memcpy(pcmdmessagefld->messagedatabuffer,
+                               (uint8_t *)ver_addr, allxfer_len);
+                       pcmdmessagefld->cmdmessage.Length = allxfer_len;
+                       pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK;
+                       pci_free_consistent(acb->pdev, 1032, ver_addr, buf_handle);
+               }
+               break;
+       case ARCMSR_MESSAGE_WRITE_WQBUFFER: {
+                       unsigned long *ver_addr;
+                       dma_addr_t buf_handle;
+                       int32_t my_empty_len, user_len, wqbuf_firstindex, wqbuf_lastindex;
+                       uint8_t *pQbuffer, *ptmpuserbuffer;
+
+                       ver_addr = pci_alloc_consistent(acb->pdev, 1032, &buf_handle);
+                       if (!ver_addr) {
+                               retvalue = ARCMSR_MESSAGE_FAIL;
+                               goto message_out;
+                       }
+                       ptmpuserbuffer = (uint8_t *)ver_addr;
+                       user_len = pcmdmessagefld->cmdmessage.Length;
+                       memcpy(ptmpuserbuffer, pcmdmessagefld->messagedatabuffer, user_len);
+                       wqbuf_lastindex = acb->wqbuf_lastindex;
+                       wqbuf_firstindex = acb->wqbuf_firstindex;
+                       if (wqbuf_lastindex != wqbuf_firstindex) {
+                               struct SENSE_DATA *sensebuffer =
+                                       (struct SENSE_DATA *)cmd->sense_buffer;
+                               arcmsr_post_Qbuffer(acb);
+                               /* has error report sensedata */
+                               sensebuffer->ErrorCode = 0x70;
+                               sensebuffer->SenseKey = ILLEGAL_REQUEST;
+                               sensebuffer->AdditionalSenseLength = 0x0A;
+                               sensebuffer->AdditionalSenseCode = 0x20;
+                               sensebuffer->Valid = 1;
+                               retvalue = ARCMSR_MESSAGE_FAIL;
+                       } else {
+                               my_empty_len = (wqbuf_firstindex-wqbuf_lastindex - 1)
+                                               &(ARCMSR_MAX_QBUFFER - 1);
+                               if (my_empty_len >= user_len) {
+                                       while (user_len > 0) {
+                                               pQbuffer =
+                                               &acb->wqbuffer[acb->wqbuf_lastindex];
+                                               memcpy(pQbuffer, ptmpuserbuffer, 1);
+                                               acb->wqbuf_lastindex++;
+                                               acb->wqbuf_lastindex %= ARCMSR_MAX_QBUFFER;
+                                               ptmpuserbuffer++;
+                                               user_len--;
+                                       }
+                                       if (acb->acb_flags & ACB_F_MESSAGE_WQBUFFER_CLEARED) {
+                                               acb->acb_flags &=
+                                                       ~ACB_F_MESSAGE_WQBUFFER_CLEARED;
+                                               arcmsr_post_Qbuffer(acb);
+                                       }
+                               } else {
+                                       /* has error report sensedata */
+                                       struct SENSE_DATA *sensebuffer =
+                                               (struct SENSE_DATA *)cmd->sense_buffer;
+                                       sensebuffer->ErrorCode = 0x70;
+                                       sensebuffer->SenseKey = ILLEGAL_REQUEST;
+                                       sensebuffer->AdditionalSenseLength = 0x0A;
+                                       sensebuffer->AdditionalSenseCode = 0x20;
+                                       sensebuffer->Valid = 1;
+                                       retvalue = ARCMSR_MESSAGE_FAIL;
+                               }
+                       }
+                       pci_free_consistent(acb->pdev, 1032, ver_addr, buf_handle);
+               }
+               break;
+       case ARCMSR_MESSAGE_CLEAR_RQBUFFER: {
+                       uint8_t *pQbuffer = acb->rqbuffer;
+
+                       if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) {
+                               acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW;
+                               writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK,
+                                       &reg->inbound_doorbell);
+                       }
+                       acb->acb_flags |= ACB_F_MESSAGE_RQBUFFER_CLEARED;
+                       acb->rqbuf_firstindex = 0;
+                       acb->rqbuf_lastindex = 0;
+                       memset(pQbuffer, 0, ARCMSR_MAX_QBUFFER);
+                       pcmdmessagefld->cmdmessage.ReturnCode =
+                               ARCMSR_MESSAGE_RETURNCODE_OK;
+               }
+               break;
+       case ARCMSR_MESSAGE_CLEAR_WQBUFFER: {
+                       uint8_t *pQbuffer = acb->wqbuffer;
+
+                       if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) {
+                               acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW;
+                               writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK
+                                               , &reg->inbound_doorbell);
+                       }
+                       acb->acb_flags |=
+                               (ACB_F_MESSAGE_WQBUFFER_CLEARED |
+                                       ACB_F_MESSAGE_WQBUFFER_READED);
+                       acb->wqbuf_firstindex = 0;
+                       acb->wqbuf_lastindex = 0;
+                       memset(pQbuffer, 0, ARCMSR_MAX_QBUFFER);
+                       pcmdmessagefld->cmdmessage.ReturnCode =
+                               ARCMSR_MESSAGE_RETURNCODE_OK;
+               }
+               break;
+       case ARCMSR_MESSAGE_CLEAR_ALLQBUFFER: {
+                       uint8_t *pQbuffer;
+
+                       if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) {
+                               acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW;
+                               writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK
+                                               , &reg->inbound_doorbell);
+                       }
+                       acb->acb_flags |=
+                               (ACB_F_MESSAGE_WQBUFFER_CLEARED
+                               | ACB_F_MESSAGE_RQBUFFER_CLEARED
+                               | ACB_F_MESSAGE_WQBUFFER_READED);
+                       acb->rqbuf_firstindex = 0;
+                       acb->rqbuf_lastindex = 0;
+                       acb->wqbuf_firstindex = 0;
+                       acb->wqbuf_lastindex = 0;
+                       pQbuffer = acb->rqbuffer;
+                       memset(pQbuffer, 0, sizeof (struct QBUFFER));
+                       pQbuffer = acb->wqbuffer;
+                       memset(pQbuffer, 0, sizeof (struct QBUFFER));
+                       pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK;
+               }
+               break;
+       case ARCMSR_MESSAGE_RETURN_CODE_3F: {
+                       pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_3F;
+               }
+               break;
+       case ARCMSR_MESSAGE_SAY_HELLO: {
+                       int8_t * hello_string = "Hello! I am ARCMSR";
+
+                       memcpy(pcmdmessagefld->messagedatabuffer, hello_string
+                               , (int16_t)strlen(hello_string));
+                       pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK;
+               }
+               break;
+       case ARCMSR_MESSAGE_SAY_GOODBYE:
+               arcmsr_iop_parking(acb);
+               break;
+       case ARCMSR_MESSAGE_FLUSH_ADAPTER_CACHE:
+               arcmsr_flush_adapter_cache(acb);
+               break;
+       default:
+               retvalue = ARCMSR_MESSAGE_FAIL;
+       }
+ message_out:
+       if (cmd->use_sg) {
+               struct scatterlist *sg;
+
+               sg = (struct scatterlist *) cmd->request_buffer;
+               kunmap_atomic(buffer - sg->offset, KM_IRQ0);
+       }
+       return retvalue;
+}
+
+static struct CommandControlBlock *arcmsr_get_freeccb(struct AdapterControlBlock *acb)
+{
+       struct list_head *head = &acb->ccb_free_list;
+       struct CommandControlBlock *ccb = NULL;
+
+       if (!list_empty(head)) {
+               ccb = list_entry(head->next, struct CommandControlBlock, list);
+               list_del(head->next);
+       }
+       return ccb;
+}
+
+static void arcmsr_handle_virtual_command(struct AdapterControlBlock *acb,
+               struct scsi_cmnd *cmd)
+{
+       switch (cmd->cmnd[0]) {
+       case INQUIRY: {
+               unsigned char inqdata[36];
+               char *buffer;
+
+               if (cmd->device->lun) {
+                       cmd->result = (DID_TIME_OUT << 16);
+                       cmd->scsi_done(cmd);
+                       return;
+               }
+               inqdata[0] = TYPE_PROCESSOR;
+               /* Periph Qualifier & Periph Dev Type */
+               inqdata[1] = 0;
+               /* rem media bit & Dev Type Modifier */
+               inqdata[2] = 0;
+               /* ISO,ECMA,& ANSI versions */
+               inqdata[4] = 31;
+               /* length of additional data */
+               strncpy(&inqdata[8], "Areca   ", 8);
+               /* Vendor Identification */
+               strncpy(&inqdata[16], "RAID controller ", 16);
+               /* Product Identification */
+               strncpy(&inqdata[32], "R001", 4); /* Product Revision */
+               if (cmd->use_sg) {
+                       struct scatterlist *sg;
+
+                       sg = (struct scatterlist *) cmd->request_buffer;
+                       buffer = kmap_atomic(sg->page, KM_IRQ0) + sg->offset;
+               } else {
+                       buffer = cmd->request_buffer;
+               }
+               memcpy(buffer, inqdata, sizeof(inqdata));
+               if (cmd->use_sg) {
+                       struct scatterlist *sg;
+
+                       sg = (struct scatterlist *) cmd->request_buffer;
+                       kunmap_atomic(buffer - sg->offset, KM_IRQ0);
+               }
+               cmd->scsi_done(cmd);
+       }
+       break;
+       case WRITE_BUFFER:
+       case READ_BUFFER: {
+               if (arcmsr_iop_message_xfer(acb, cmd))
+                       cmd->result = (DID_ERROR << 16);
+               cmd->scsi_done(cmd);
+       }
+       break;
+       default:
+               cmd->scsi_done(cmd);
+       }
+}
+
+static int arcmsr_queue_command(struct scsi_cmnd *cmd,
+       void (* done)(struct scsi_cmnd *))
+{
+       struct Scsi_Host *host = cmd->device->host;
+       struct AdapterControlBlock *acb =
+               (struct AdapterControlBlock *) host->hostdata;
+       struct CommandControlBlock *ccb;
+       int target = cmd->device->id;
+       int lun = cmd->device->lun;
+
+       cmd->scsi_done = done;
+       cmd->host_scribble = NULL;
+       cmd->result = 0;
+       if (acb->acb_flags & ACB_F_BUS_RESET) {
+               printk(KERN_NOTICE "arcmsr%d: bus reset"
+                       " and return busy \n"
+                       , acb->host->host_no);
+               return SCSI_MLQUEUE_HOST_BUSY;
+       }
+       if(target == 16) {
+               /* virtual device for iop message transfer */
+               arcmsr_handle_virtual_command(acb, cmd);
+               return 0;
+       }
+       if (acb->devstate[target][lun] == ARECA_RAID_GONE) {
+               uint8_t block_cmd;
+
+               block_cmd = cmd->cmnd[0] & 0x0f;
+               if (block_cmd == 0x08 || block_cmd == 0x0a) {
+                       printk(KERN_NOTICE
+                               "arcmsr%d: block 'read/write'"
+                               "command with gone raid volume"
+                               " Cmd=%2x, TargetId=%d, Lun=%d \n"
+                               , acb->host->host_no
+                               , cmd->cmnd[0]
+                               , target, lun);
+                       cmd->result = (DID_NO_CONNECT << 16);
+                       cmd->scsi_done(cmd);
+                       return 0;
+               }
+       }
+       if (atomic_read(&acb->ccboutstandingcount) >=
+                       ARCMSR_MAX_OUTSTANDING_CMD)
+               return SCSI_MLQUEUE_HOST_BUSY;
+
+       ccb = arcmsr_get_freeccb(acb);
+       if (!ccb)
+               return SCSI_MLQUEUE_HOST_BUSY;
+       arcmsr_build_ccb(acb, ccb, cmd);
+       arcmsr_post_ccb(acb, ccb);
+       return 0;
+}
+
+static void arcmsr_get_firmware_spec(struct AdapterControlBlock *acb)
+{
+       struct MessageUnit __iomem *reg = acb->pmu;
+       char *acb_firm_model = acb->firm_model;
+       char *acb_firm_version = acb->firm_version;
+       char __iomem *iop_firm_model = (char __iomem *) &reg->message_rwbuffer[15];
+       char __iomem *iop_firm_version = (char __iomem *) &reg->message_rwbuffer[17];
+       int count;
+
+       writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, &reg->inbound_msgaddr0);
+       if (arcmsr_wait_msgint_ready(acb))
+               printk(KERN_NOTICE
+                       "arcmsr%d: wait "
+                       "'get adapter firmware miscellaneous data' timeout \n"
+                       , acb->host->host_no);
+       count = 8;
+       while (count) {
+               *acb_firm_model = readb(iop_firm_model);
+               acb_firm_model++;
+               iop_firm_model++;
+               count--;
+       }
+       count = 16;
+       while (count) {
+               *acb_firm_version = readb(iop_firm_version);
+               acb_firm_version++;
+               iop_firm_version++;
+               count--;
+       }
+       printk(KERN_INFO
+               "ARECA RAID ADAPTER%d: FIRMWARE VERSION %s \n"
+               , acb->host->host_no
+               , acb->firm_version);
+       acb->firm_request_len = readl(&reg->message_rwbuffer[1]);
+       acb->firm_numbers_queue = readl(&reg->message_rwbuffer[2]);
+       acb->firm_sdram_size = readl(&reg->message_rwbuffer[3]);
+       acb->firm_hd_channels = readl(&reg->message_rwbuffer[4]);
+}
+
+static void arcmsr_polling_ccbdone(struct AdapterControlBlock *acb,
+       struct CommandControlBlock *poll_ccb)
+{
+       struct MessageUnit __iomem *reg = acb->pmu;
+       struct CommandControlBlock *ccb;
+       uint32_t flag_ccb, outbound_intstatus, poll_ccb_done = 0, poll_count = 0;
+       int id, lun;
+
+ polling_ccb_retry:
+       poll_count++;
+       outbound_intstatus = readl(&reg->outbound_intstatus)
+                                       & acb->outbound_int_enable;
+       writel(outbound_intstatus, &reg->outbound_intstatus);/*clear interrupt*/
+       while (1) {
+               if ((flag_ccb = readl(&reg->outbound_queueport)) == 0xFFFFFFFF) {
+                       if (poll_ccb_done)
+                               break;
+                       else {
+                               msleep(25);
+                               if (poll_count > 100)
+                                       break;
+                               goto polling_ccb_retry;
+                       }
+               }
+               ccb = (struct CommandControlBlock *)
+                       (acb->vir2phy_offset + (flag_ccb << 5));
+               if ((ccb->acb != acb) ||
+                       (ccb->startdone != ARCMSR_CCB_START)) {
+                       if ((ccb->startdone == ARCMSR_CCB_ABORTED) ||
+                               (ccb == poll_ccb)) {
+                               printk(KERN_NOTICE
+                                       "arcmsr%d: scsi id=%d lun=%d ccb='0x%p'"
+                                       " poll command abort successfully \n"
+                                       , acb->host->host_no
+                                       , ccb->pcmd->device->id
+                                       , ccb->pcmd->device->lun
+                                       , ccb);
+                               ccb->pcmd->result = DID_ABORT << 16;
+                               arcmsr_ccb_complete(ccb, 1);
+                               poll_ccb_done = 1;
+                               continue;
+                       }
+                       printk(KERN_NOTICE
+                               "arcmsr%d: polling get an illegal ccb"
+                               " command done ccb='0x%p'"
+                               "ccboutstandingcount=%d \n"
+                               , acb->host->host_no
+                               , ccb
+                               , atomic_read(&acb->ccboutstandingcount));
+                       continue;
+               }
+               id = ccb->pcmd->device->id;
+               lun = ccb->pcmd->device->lun;
+               if (!(flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR)) {
+                       if (acb->devstate[id][lun] == ARECA_RAID_GONE)
+                               acb->devstate[id][lun] = ARECA_RAID_GOOD;
+                       ccb->pcmd->result = DID_OK << 16;
+                       arcmsr_ccb_complete(ccb, 1);
+               } else {
+                       switch(ccb->arcmsr_cdb.DeviceStatus) {
+                       case ARCMSR_DEV_SELECT_TIMEOUT: {
+                                       acb->devstate[id][lun] = ARECA_RAID_GONE;
+                                       ccb->pcmd->result = DID_TIME_OUT << 16;
+                                       arcmsr_ccb_complete(ccb, 1);
+                               }
+                               break;
+                       case ARCMSR_DEV_ABORTED:
+                       case ARCMSR_DEV_INIT_FAIL: {
+                                       acb->devstate[id][lun] = ARECA_RAID_GONE;
+                                       ccb->pcmd->result = DID_BAD_TARGET << 16;
+                                       arcmsr_ccb_complete(ccb, 1);
+                               }
+                               break;
+                       case ARCMSR_DEV_CHECK_CONDITION: {
+                                       acb->devstate[id][lun] = ARECA_RAID_GOOD;
+                                       arcmsr_report_sense_info(ccb);
+                                       arcmsr_ccb_complete(ccb, 1);
+                               }
+                               break;
+                       default:
+                               printk(KERN_NOTICE
+                                       "arcmsr%d: scsi id=%d lun=%d"
+                                       " polling and getting command error done"
+                                       "but got unknown DeviceStatus = 0x%x \n"
+                                       , acb->host->host_no
+                                       , id
+                                       , lun
+                                       , ccb->arcmsr_cdb.DeviceStatus);
+                               acb->devstate[id][lun] = ARECA_RAID_GONE;
+                               ccb->pcmd->result = DID_BAD_TARGET << 16;
+                               arcmsr_ccb_complete(ccb, 1);
+                               break;
+                       }
+               }
+       }
+}
+
+static void arcmsr_iop_init(struct AdapterControlBlock *acb)
+{
+       struct MessageUnit __iomem *reg = acb->pmu;
+       uint32_t intmask_org, mask, outbound_doorbell, firmware_state = 0;
+
+       do {
+               firmware_state = readl(&reg->outbound_msgaddr1);
+       } while (!(firmware_state & ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK));
+       intmask_org = readl(&reg->outbound_intmask)
+                       | ARCMSR_MU_OUTBOUND_MESSAGE0_INTMASKENABLE;
+       arcmsr_get_firmware_spec(acb);
+
+       acb->acb_flags |= ACB_F_MSG_START_BGRB;
+       writel(ARCMSR_INBOUND_MESG0_START_BGRB, &reg->inbound_msgaddr0);
+       if (arcmsr_wait_msgint_ready(acb)) {
+               printk(KERN_NOTICE "arcmsr%d: "
+                       "wait 'start adapter background rebulid' timeout\n",
+                       acb->host->host_no);
+       }
+
+       outbound_doorbell = readl(&reg->outbound_doorbell);
+       writel(outbound_doorbell, &reg->outbound_doorbell);
+       writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK, &reg->inbound_doorbell);
+       mask = ~(ARCMSR_MU_OUTBOUND_POSTQUEUE_INTMASKENABLE
+                       | ARCMSR_MU_OUTBOUND_DOORBELL_INTMASKENABLE);
+       writel(intmask_org & mask, &reg->outbound_intmask);
+       acb->outbound_int_enable = ~(intmask_org & mask) & 0x000000ff;
+       acb->acb_flags |= ACB_F_IOP_INITED;
+}
+
+static void arcmsr_iop_reset(struct AdapterControlBlock *acb)
+{
+       struct MessageUnit __iomem *reg = acb->pmu;
+       struct CommandControlBlock *ccb;
+       uint32_t intmask_org;
+       int i = 0;
+
+       if (atomic_read(&acb->ccboutstandingcount) != 0) {
+               /* talk to iop 331 outstanding command aborted */
+               arcmsr_abort_allcmd(acb);
+               /* wait for 3 sec for all command aborted*/
+               msleep_interruptible(3000);
+               /* disable all outbound interrupt */
+               intmask_org = arcmsr_disable_outbound_ints(acb);
+               /* clear all outbound posted Q */
+               for (i = 0; i < ARCMSR_MAX_OUTSTANDING_CMD; i++)
+                       readl(&reg->outbound_queueport);
+               for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) {
+                       ccb = acb->pccb_pool[i];
+                       if ((ccb->startdone == ARCMSR_CCB_START) ||
+                               (ccb->startdone == ARCMSR_CCB_ABORTED)) {
+                               ccb->startdone = ARCMSR_CCB_ABORTED;
+                               ccb->pcmd->result = DID_ABORT << 16;
+                               arcmsr_ccb_complete(ccb, 1);
+                       }
+               }
+               /* enable all outbound interrupt */
+               arcmsr_enable_outbound_ints(acb, intmask_org);
+       }
+       atomic_set(&acb->ccboutstandingcount, 0);
+}
+
+static int arcmsr_bus_reset(struct scsi_cmnd *cmd)
+{
+       struct AdapterControlBlock *acb =
+               (struct AdapterControlBlock *)cmd->device->host->hostdata;
+       int i;
+
+       acb->num_resets++;
+       acb->acb_flags |= ACB_F_BUS_RESET;
+       for (i = 0; i < 400; i++) {
+               if (!atomic_read(&acb->ccboutstandingcount))
+                       break;
+               arcmsr_interrupt(acb);
+               msleep(25);
+       }
+       arcmsr_iop_reset(acb);
+       acb->acb_flags &= ~ACB_F_BUS_RESET;
+       return SUCCESS;
+}
+
+static void arcmsr_abort_one_cmd(struct AdapterControlBlock *acb,
+               struct CommandControlBlock *ccb)
+{
+       u32 intmask;
+
+       ccb->startdone = ARCMSR_CCB_ABORTED;
+
+       /*
+       ** Wait for 3 sec for all command done.
+       */
+       msleep_interruptible(3000);
+
+       intmask = arcmsr_disable_outbound_ints(acb);
+       arcmsr_polling_ccbdone(acb, ccb);
+       arcmsr_enable_outbound_ints(acb, intmask);
+}
+
+static int arcmsr_abort(struct scsi_cmnd *cmd)
+{
+       struct AdapterControlBlock *acb =
+               (struct AdapterControlBlock *)cmd->device->host->hostdata;
+       int i = 0;
+
+       printk(KERN_NOTICE
+               "arcmsr%d: abort device command of scsi id=%d lun=%d \n",
+               acb->host->host_no, cmd->device->id, cmd->device->lun);
+       acb->num_aborts++;
+
+       /*
+       ************************************************
+       ** the all interrupt service routine is locked
+       ** we need to handle it as soon as possible and exit
+       ************************************************
+       */
+       if (!atomic_read(&acb->ccboutstandingcount))
+               return SUCCESS;
+
+       for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) {
+               struct CommandControlBlock *ccb = acb->pccb_pool[i];
+               if (ccb->startdone == ARCMSR_CCB_START && ccb->pcmd == cmd) {
+                       arcmsr_abort_one_cmd(acb, ccb);
+                       break;
+               }
+       }
+
+       return SUCCESS;
+}
+
+static const char *arcmsr_info(struct Scsi_Host *host)
+{
+       struct AdapterControlBlock *acb =
+               (struct AdapterControlBlock *) host->hostdata;
+       static char buf[256];
+       char *type;
+       int raid6 = 1;
+
+       switch (acb->pdev->device) {
+       case PCI_DEVICE_ID_ARECA_1110:
+       case PCI_DEVICE_ID_ARECA_1210:
+               raid6 = 0;
+               /*FALLTHRU*/
+       case PCI_DEVICE_ID_ARECA_1120:
+       case PCI_DEVICE_ID_ARECA_1130:
+       case PCI_DEVICE_ID_ARECA_1160:
+       case PCI_DEVICE_ID_ARECA_1170:
+       case PCI_DEVICE_ID_ARECA_1220:
+       case PCI_DEVICE_ID_ARECA_1230:
+       case PCI_DEVICE_ID_ARECA_1260:
+       case PCI_DEVICE_ID_ARECA_1270:
+       case PCI_DEVICE_ID_ARECA_1280:
+               type = "SATA";
+               break;
+       case PCI_DEVICE_ID_ARECA_1380:
+       case PCI_DEVICE_ID_ARECA_1381:
+       case PCI_DEVICE_ID_ARECA_1680:
+       case PCI_DEVICE_ID_ARECA_1681:
+               type = "SAS";
+               break;
+       default:
+               type = "X-TYPE";
+               break;
+       }
+       sprintf(buf, "Areca %s Host Adapter RAID Controller%s\n        %s",
+                       type, raid6 ? "( RAID6 capable)" : "",
+                       ARCMSR_DRIVER_VERSION);
+       return buf;
+}
+
+
index e133733..4580633 100644 (file)
@@ -46,7 +46,6 @@ MODULE_DESCRIPTION("Adaptec I2O RAID Driver");
 
 #include <linux/stat.h>
 #include <linux/slab.h>                /* for kmalloc() */
-#include <linux/config.h>      /* for CONFIG_PCI */
 #include <linux/pci.h>         /* for PCI support */
 #include <linux/proc_fs.h>
 #include <linux/blkdev.h>
index 7f89102..c4e16c0 100644 (file)
@@ -248,8 +248,7 @@ int fcal_proc_info (struct Scsi_Host *host, char *buffer, char **start, off_t of
                                if (scd->id == target) {
                                        SPRINTF ("  [AL-PA: %02x, Id: %02d, Port WWN: %08x%08x, Node WWN: %08x%08x]  ",
                                                alpa, target, u1[0], u1[1], u2[0], u2[1]);
-                                       SPRINTF ("%s ", (scd->type < MAX_SCSI_DEVICE_CODE) ?
-                                               scsi_device_types[(short) scd->type] : "Unknown device");
+                                       SPRINTF ("%s ", scsi_device_type(scd->type));
 
                                        for (j = 0; (j < 8) && (scd->vendor[j] >= 0x20); j++)
                                                SPRINTF ("%c", scd->vendor[j]);
index 67f1100..cdd893b 100644 (file)
@@ -811,7 +811,6 @@ static int generic_NCR5380_proc_info(struct Scsi_Host *scsi_ptr, char *buffer, c
        struct NCR5380_hostdata *hostdata;
 #ifdef NCR5380_STATS
        struct scsi_device *dev;
-       extern const char *const scsi_device_types[MAX_SCSI_DEVICE_CODE];
 #endif
 
        NCR5380_setup(scsi_ptr);
@@ -851,7 +850,7 @@ static int generic_NCR5380_proc_info(struct Scsi_Host *scsi_ptr, char *buffer, c
                long tr = hostdata->time_read[dev->id] / HZ;
                long tw = hostdata->time_write[dev->id] / HZ;
 
-               PRINTP("  T:%d %s " ANDP dev->id ANDP(dev->type < MAX_SCSI_DEVICE_CODE) ? scsi_device_types[(int) dev->type] : "Unknown");
+               PRINTP("  T:%d %s " ANDP dev->id ANDP scsi_device_type(dev->type));
                for (i = 0; i < 8; i++)
                        if (dev->vendor[i] >= 0x20)
                                *(buffer + (len++)) = dev->vendor[i];
index dfcb96f..f244d4f 100644 (file)
@@ -487,7 +487,9 @@ EXPORT_SYMBOL(scsi_is_host_device);
  * @work:      Work to queue for execution.
  *
  * Return value:
- *     0 on success / != 0 for error
+ *     1 - work queued for execution
+ *     0 - work is already queued
+ *     -EINVAL - work queue doesn't exist
  **/
 int scsi_queue_work(struct Scsi_Host *shost, struct work_struct *work)
 {
index bcb3444..28bfb8f 100644 (file)
@@ -15,7 +15,6 @@
  *
  * For more information, visit http://www.highpoint-tech.com
  */
-#include <linux/config.h>
 #include <linux/module.h>
 #include <linux/types.h>
 #include <linux/string.h>
index 01080b3..7ed4eef 100644 (file)
@@ -175,6 +175,8 @@ struct ipr_error_table_t ipr_error_table[] = {
        "Qualified success"},
        {0x01080000, 1, 1,
        "FFFE: Soft device bus error recovered by the IOA"},
+       {0x01088100, 0, 1,
+       "4101: Soft device bus fabric error"},
        {0x01170600, 0, 1,
        "FFF9: Device sector reassign successful"},
        {0x01170900, 0, 1,
@@ -225,6 +227,8 @@ struct ipr_error_table_t ipr_error_table[] = {
        "3109: IOA timed out a device command"},
        {0x04088000, 0, 0,
        "3120: SCSI bus is not operational"},
+       {0x04088100, 0, 1,
+       "4100: Hard device bus fabric error"},
        {0x04118000, 0, 1,
        "9000: IOA reserved area data check"},
        {0x04118100, 0, 1,
@@ -273,6 +277,14 @@ struct ipr_error_table_t ipr_error_table[] = {
        "9091: Incorrect hardware configuration change has been detected"},
        {0x04678000, 0, 1,
        "9073: Invalid multi-adapter configuration"},
+       {0x04678100, 0, 1,
+       "4010: Incorrect connection between cascaded expanders"},
+       {0x04678200, 0, 1,
+       "4020: Connections exceed IOA design limits"},
+       {0x04678300, 0, 1,
+       "4030: Incorrect multipath connection"},
+       {0x04679000, 0, 1,
+       "4110: Unsupported enclosure function"},
        {0x046E0000, 0, 1,
        "FFF4: Command to logical unit failed"},
        {0x05240000, 1, 0,
@@ -297,6 +309,8 @@ struct ipr_error_table_t ipr_error_table[] = {
        "9031: Array protection temporarily suspended, protection resuming"},
        {0x06040600, 0, 1,
        "9040: Array protection temporarily suspended, protection resuming"},
+       {0x06288000, 0, 1,
+       "3140: Device bus not ready to ready transition"},
        {0x06290000, 0, 1,
        "FFFB: SCSI bus was reset"},
        {0x06290500, 0, 0,
@@ -319,6 +333,16 @@ struct ipr_error_table_t ipr_error_table[] = {
        "3150: SCSI bus configuration error"},
        {0x06678100, 0, 1,
        "9074: Asymmetric advanced function disk configuration"},
+       {0x06678300, 0, 1,
+       "4040: Incomplete multipath connection between IOA and enclosure"},
+       {0x06678400, 0, 1,
+       "4041: Incomplete multipath connection between enclosure and device"},
+       {0x06678500, 0, 1,
+       "9075: Incomplete multipath connection between IOA and remote IOA"},
+       {0x06678600, 0, 1,
+       "9076: Configuration error, missing remote IOA"},
+       {0x06679100, 0, 1,
+       "4050: Enclosure does not support a required multipath function"},
        {0x06690200, 0, 1,
        "9041: Array protection temporarily suspended"},
        {0x06698200, 0, 1,
@@ -331,6 +355,10 @@ struct ipr_error_table_t ipr_error_table[] = {
        "9072: Link not operational transition"},
        {0x066B8200, 0, 1,
        "9032: Array exposed but still protected"},
+       {0x066B9100, 0, 1,
+       "4061: Multipath redundancy level got better"},
+       {0x066B9200, 0, 1,
+       "4060: Multipath redundancy level got worse"},
        {0x07270000, 0, 0,
        "Failure due to other device"},
        {0x07278000, 0, 1,
@@ -4099,8 +4127,7 @@ static int ipr_get_autosense(struct ipr_cmnd *ipr_cmd)
 {
        struct ipr_ioasa *ioasa = &ipr_cmd->ioasa;
 
-       if ((be32_to_cpu(ioasa->ioasc_specific) &
-            (IPR_ADDITIONAL_STATUS_FMT | IPR_AUTOSENSE_VALID)) == 0)
+       if ((be32_to_cpu(ioasa->ioasc_specific) & IPR_AUTOSENSE_VALID) == 0)
                return 0;
 
        memcpy(ipr_cmd->scsi_cmd->sense_buffer, ioasa->auto_sense.data,
@@ -4190,7 +4217,8 @@ static void ipr_erp_start(struct ipr_ioa_cfg *ioa_cfg,
        case IPR_IOASC_NR_INIT_CMD_REQUIRED:
                break;
        default:
-               scsi_cmd->result |= (DID_ERROR << 16);
+               if (IPR_IOASC_SENSE_KEY(ioasc) > RECOVERED_ERROR)
+                       scsi_cmd->result |= (DID_ERROR << 16);
                if (!ipr_is_vset_device(res) && !ipr_is_naca_model(res))
                        res->needs_sync_complete = 1;
                break;
index 1ad24df..11eaff5 100644 (file)
@@ -36,8 +36,8 @@
 /*
  * Literals
  */
-#define IPR_DRIVER_VERSION "2.1.3"
-#define IPR_DRIVER_DATE "(March 29, 2006)"
+#define IPR_DRIVER_VERSION "2.1.4"
+#define IPR_DRIVER_DATE "(August 2, 2006)"
 
 /*
  * IPR_MAX_CMD_PER_LUN: This defines the maximum number of outstanding
@@ -45,6 +45,7 @@
  *     This can be adjusted at runtime through sysfs device attributes.
  */
 #define IPR_MAX_CMD_PER_LUN                            6
+#define IPR_MAX_CMD_PER_ATA_LUN                        1
 
 /*
  * IPR_NUM_BASE_CMD_BLKS: This defines the maximum number of
 #define IPR_IOA_BUS                                            0xff
 #define IPR_IOA_TARGET                                 0xff
 #define IPR_IOA_LUN                                            0xff
-#define IPR_MAX_NUM_BUSES                              8
+#define IPR_MAX_NUM_BUSES                              16
 #define IPR_MAX_BUS_TO_SCAN                            IPR_MAX_NUM_BUSES
 
 #define IPR_NUM_RESET_RELOAD_RETRIES           3
 #define        IPR_LUN_RESET                                   0x40
 #define        IPR_TARGET_RESET                                        0x20
 #define        IPR_BUS_RESET                                   0x10
+#define        IPR_ATA_PHY_RESET                                       0x80
 #define IPR_ID_HOST_RR_Q                               0xC4
 #define IPR_QUERY_IOA_CONFIG                           0xC5
 #define IPR_CANCEL_ALL_REQUESTS                        0xCE
@@ -295,7 +297,11 @@ struct ipr_std_inq_data {
 }__attribute__ ((packed));
 
 struct ipr_config_table_entry {
-       u8 service_level;
+       u8 proto;
+#define IPR_PROTO_SATA                 0x02
+#define IPR_PROTO_SATA_ATAPI           0x03
+#define IPR_PROTO_SAS_STP              0x06
+#define IPR_PROTO_SAS_STP_ATAPI        0x07
        u8 array_id;
        u8 flags;
 #define IPR_IS_IOA_RESOURCE    0x80
@@ -307,6 +313,7 @@ struct ipr_config_table_entry {
 #define IPR_SUBTYPE_AF_DASD                    0
 #define IPR_SUBTYPE_GENERIC_SCSI       1
 #define IPR_SUBTYPE_VOLUME_SET         2
+#define IPR_SUBTYPE_GENERIC_ATA        4
 
 #define IPR_QUEUEING_MODEL(res)        ((((res)->cfgte.flags) & 0x70) >> 4)
 #define IPR_QUEUE_FROZEN_MODEL 0
@@ -350,6 +357,7 @@ struct ipr_cmd_pkt {
 #define IPR_RQTYPE_SCSICDB             0x00
 #define IPR_RQTYPE_IOACMD              0x01
 #define IPR_RQTYPE_HCAM                        0x02
+#define IPR_RQTYPE_ATA_PASSTHRU        0x04
 
        u8 luntar_luntrn;
 
@@ -373,6 +381,37 @@ struct ipr_cmd_pkt {
        __be16 timeout;
 }__attribute__ ((packed, aligned(4)));
 
+struct ipr_ioarcb_ata_regs {
+       u8 flags;
+#define IPR_ATA_FLAG_PACKET_CMD                        0x80
+#define IPR_ATA_FLAG_XFER_TYPE_DMA                     0x40
+#define IPR_ATA_FLAG_STATUS_ON_GOOD_COMPLETION 0x20
+       u8 reserved[3];
+
+       __be16 data;
+       u8 feature;
+       u8 nsect;
+       u8 lbal;
+       u8 lbam;
+       u8 lbah;
+       u8 device;
+       u8 command;
+       u8 reserved2[3];
+       u8 hob_feature;
+       u8 hob_nsect;
+       u8 hob_lbal;
+       u8 hob_lbam;
+       u8 hob_lbah;
+       u8 ctl;
+}__attribute__ ((packed, aligned(4)));
+
+struct ipr_ioarcb_add_data {
+       union {
+               struct ipr_ioarcb_ata_regs regs;
+               __be32 add_cmd_parms[10];
+       }u;
+}__attribute__ ((packed, aligned(4)));
+
 /* IOA Request Control Block    128 bytes  */
 struct ipr_ioarcb {
        __be32 ioarcb_host_pci_addr;
@@ -397,7 +436,7 @@ struct ipr_ioarcb {
        struct ipr_cmd_pkt cmd_pkt;
 
        __be32 add_cmd_parms_len;
-       __be32 add_cmd_parms[10];
+       struct ipr_ioarcb_add_data add_data;
 }__attribute__((packed, aligned (4)));
 
 struct ipr_ioadl_desc {
@@ -433,6 +472,21 @@ struct ipr_ioasa_gpdd {
        __be32 ioa_data[2];
 }__attribute__((packed, aligned (4)));
 
+struct ipr_ioasa_gata {
+       u8 error;
+       u8 nsect;               /* Interrupt reason */
+       u8 lbal;
+       u8 lbam;
+       u8 lbah;
+       u8 device;
+       u8 status;
+       u8 alt_status;  /* ATA CTL */
+       u8 hob_nsect;
+       u8 hob_lbal;
+       u8 hob_lbam;
+       u8 hob_lbah;
+}__attribute__((packed, aligned (4)));
+
 struct ipr_auto_sense {
        __be16 auto_sense_len;
        __be16 ioa_data_len;
@@ -466,6 +520,7 @@ struct ipr_ioasa {
        __be32 ioasc_specific;  /* status code specific field */
 #define IPR_ADDITIONAL_STATUS_FMT              0x80000000
 #define IPR_AUTOSENSE_VALID                    0x40000000
+#define IPR_ATA_DEVICE_WAS_RESET               0x20000000
 #define IPR_IOASC_SPECIFIC_MASK                0x00ffffff
 #define IPR_FIELD_POINTER_VALID                (0x80000000 >> 8)
 #define IPR_FIELD_POINTER_MASK         0x0000ffff
@@ -474,6 +529,7 @@ struct ipr_ioasa {
                struct ipr_ioasa_vset vset;
                struct ipr_ioasa_af_dasd dasd;
                struct ipr_ioasa_gpdd gpdd;
+               struct ipr_ioasa_gata gata;
        } u;
 
        struct ipr_auto_sense auto_sense;
@@ -1308,6 +1364,22 @@ static inline int ipr_is_scsi_disk(struct ipr_resource_entry *res)
 }
 
 /**
+ * ipr_is_gata - Determine if a resource is a generic ATA resource
+ * @res:       resource entry struct
+ *
+ * Return value:
+ *     1 if GATA / 0 if not GATA
+ **/
+static inline int ipr_is_gata(struct ipr_resource_entry *res)
+{
+       if (!ipr_is_ioa_resource(res) &&
+           IPR_RES_SUBTYPE(res) == IPR_SUBTYPE_GENERIC_ATA)
+               return 1;
+       else
+               return 0;
+}
+
+/**
  * ipr_is_naca_model - Determine if a resource is using NACA queueing model
  * @res:       resource entry struct
  *
index 29f5934..2c34af9 100644 (file)
@@ -32,7 +32,6 @@
  *
  */
 
-#include <linux/config.h>
 #include <linux/kernel.h>
 #include <scsi/scsi.h>
 #include <scsi/scsi_host.h>
index 76edbb6..ccb0055 100644 (file)
@@ -2822,9 +2822,7 @@ mega_print_inquiry(char *page, char *scsi_inq)
 
        i = scsi_inq[0] & 0x1f;
 
-       len += sprintf(page+len, "  Type:   %s ",
-               i < MAX_SCSI_DEVICE_CODE ? scsi_device_types[i] :
-                  "Unknown          ");
+       len += sprintf(page+len, "  Type:   %s ", scsi_device_type(i));
 
        len += sprintf(page+len,
        "                 ANSI SCSI revision: %02x", scsi_inq[2] & 0x07);
index cd982c8..266b391 100644 (file)
@@ -330,6 +330,21 @@ static struct device_attribute *megaraid_sdev_attrs[] = {
        NULL,
 };
 
+/**
+ * megaraid_change_queue_depth - Change the device's queue depth
+ * @sdev:      scsi device struct
+ * @qdepth:    depth to set
+ *
+ * Return value:
+ *     actual depth set
+ **/
+static int megaraid_change_queue_depth(struct scsi_device *sdev, int qdepth)
+{
+       if (qdepth > MBOX_MAX_SCSI_CMDS)
+               qdepth = MBOX_MAX_SCSI_CMDS;
+       scsi_adjust_queue_depth(sdev, 0, qdepth);
+       return sdev->queue_depth;
+}
 
 /*
  * Scsi host template for megaraid unified driver
@@ -343,6 +358,7 @@ static struct scsi_host_template megaraid_template_g = {
        .eh_device_reset_handler        = megaraid_reset_handler,
        .eh_bus_reset_handler           = megaraid_reset_handler,
        .eh_host_reset_handler          = megaraid_reset_handler,
+       .change_queue_depth             = megaraid_change_queue_depth,
        .use_clustering                 = ENABLE_CLUSTERING,
        .sdev_attrs                     = megaraid_sdev_attrs,
        .shost_attrs                    = megaraid_shost_attrs,
index a8c9627..4cab5b5 100644 (file)
@@ -53,31 +53,15 @@ MODULE_DESCRIPTION("LSI Logic MegaRAID SAS Driver");
  */
 static struct pci_device_id megasas_pci_table[] = {
 
-       {
-        PCI_VENDOR_ID_LSI_LOGIC,
-        PCI_DEVICE_ID_LSI_SAS1064R, /* xscale IOP */
-        PCI_ANY_ID,
-        PCI_ANY_ID,
-        },
-       {
-        PCI_VENDOR_ID_LSI_LOGIC,
-        PCI_DEVICE_ID_LSI_SAS1078R, /* ppc IOP */
-        PCI_ANY_ID,
-        PCI_ANY_ID,
-       },
-       {
-        PCI_VENDOR_ID_LSI_LOGIC,
-        PCI_DEVICE_ID_LSI_VERDE_ZCR,   /* xscale IOP, vega */
-        PCI_ANY_ID,
-        PCI_ANY_ID,
-        },
-       {
-        PCI_VENDOR_ID_DELL,
-        PCI_DEVICE_ID_DELL_PERC5, /* xscale IOP */
-        PCI_ANY_ID,
-        PCI_ANY_ID,
-        },
-       {0}                     /* Terminating entry */
+       {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS1064R)},
+       /* xscale IOP */
+       {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS1078R)},
+       /* ppc IOP */
+       {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_VERDE_ZCR)},
+       /* xscale IOP, vega */
+       {PCI_DEVICE(PCI_VENDOR_ID_DELL, PCI_DEVICE_ID_DELL_PERC5)},
+       /* xscale IOP */
+       {}
 };
 
 MODULE_DEVICE_TABLE(pci, megasas_pci_table);
@@ -2854,7 +2838,7 @@ static int __init megasas_init(void)
        /*
         * Register ourselves as PCI hotplug module
         */
-       rval = pci_module_init(&megasas_pci_driver);
+       rval = pci_register_driver(&megasas_pci_driver);
 
        if (rval) {
                printk(KERN_DEBUG "megasas: PCI hotplug regisration failed \n");
index b332cad..94df671 100644 (file)
@@ -96,24 +96,40 @@ unsigned int scsi_logging_level;
 EXPORT_SYMBOL(scsi_logging_level);
 #endif
 
-const char *const scsi_device_types[MAX_SCSI_DEVICE_CODE] = {
-       "Direct-Access    ",
-       "Sequential-Access",
+static const char *const scsi_device_types[] = {
+       "Direct access    ",
+       "Sequential access",
        "Printer          ",
        "Processor        ",
        "WORM             ",
-       "CD-ROM           ",
+       "CD/DVD           ",
        "Scanner          ",
-       "Optical Device   ",
-       "Medium Changer   ",
+       "Optical memory   ",
+       "Media changer    ",
        "Communications   ",
-       "Unknown          ",
-       "Unknown          ",
+       "ASC IT8          ",
+       "ASC IT8          ",
        "RAID             ",
        "Enclosure        ",
-       "Direct-Access-RBC",
+       "Direct access RBC",
+       "Optical card     ",
+       "Bridge controller",
+       "Object storage   ",
+       "Automation/Drive ",
 };
-EXPORT_SYMBOL(scsi_device_types);
+
+const char * scsi_device_type(unsigned type)
+{
+       if (type == 0x1e)
+               return "Well-known LUN   ";
+       if (type == 0x1f)
+               return "No Device        ";
+       if (type > ARRAY_SIZE(scsi_device_types))
+               return "Unknown          ";
+       return scsi_device_types[type];
+}
+
+EXPORT_SYMBOL(scsi_device_type);
 
 struct scsi_host_cmd_pool {
        kmem_cache_t    *slab;
index f51e466..d5a55fa 100644 (file)
@@ -20,8 +20,6 @@
 #ifndef _SCSI_H
 #define _SCSI_H
 
-#include <linux/config.h>          /* for CONFIG_SCSI_LOGGING */
-
 #include <scsi/scsi_cmnd.h>
 #include <scsi/scsi_device.h>
 #include <scsi/scsi_eh.h>
index 077c1c6..d6743b9 100644 (file)
@@ -551,7 +551,15 @@ static void scsi_run_queue(struct request_queue *q)
                list_del_init(&sdev->starved_entry);
                spin_unlock_irqrestore(shost->host_lock, flags);
 
-               blk_run_queue(sdev->request_queue);
+
+               if (test_bit(QUEUE_FLAG_REENTER, &q->queue_flags) &&
+                   !test_and_set_bit(QUEUE_FLAG_REENTER,
+                                     &sdev->request_queue->queue_flags)) {
+                       blk_run_queue(sdev->request_queue);
+                       clear_bit(QUEUE_FLAG_REENTER,
+                                 &sdev->request_queue->queue_flags);
+               } else
+                       blk_run_queue(sdev->request_queue);
 
                spin_lock_irqsave(shost->host_lock, flags);
                if (unlikely(!list_empty(&sdev->starved_entry)))
index 55200e4..524a5f7 100644 (file)
@@ -178,9 +178,7 @@ static int proc_print_scsidevice(struct device *dev, void *data)
 
        seq_printf(s, "\n");
 
-       seq_printf(s, "  Type:   %s ",
-                    sdev->type < MAX_SCSI_DEVICE_CODE ?
-              scsi_device_types[(int) sdev->type] : "Unknown          ");
+       seq_printf(s, "  Type:   %s ", scsi_device_type(sdev->type));
        seq_printf(s, "               ANSI"
                     " SCSI revision: %02x", (sdev->scsi_level - 1) ?
                     sdev->scsi_level - 1 : 1);
index 1bd92b9..a24d346 100644 (file)
@@ -134,59 +134,6 @@ static void scsi_unlock_floptical(struct scsi_device *sdev,
 }
 
 /**
- * print_inquiry - printk the inquiry information
- * @inq_result:        printk this SCSI INQUIRY
- *
- * Description:
- *     printk the vendor, model, and other information found in the
- *     INQUIRY data in @inq_result.
- *
- * Notes:
- *     Remove this, and replace with a hotplug event that logs any
- *     relevant information.
- **/
-static void print_inquiry(unsigned char *inq_result)
-{
-       int i;
-
-       printk(KERN_NOTICE "  Vendor: ");
-       for (i = 8; i < 16; i++)
-               if (inq_result[i] >= 0x20 && i < inq_result[4] + 5)
-                       printk("%c", inq_result[i]);
-               else
-                       printk(" ");
-
-       printk("  Model: ");
-       for (i = 16; i < 32; i++)
-               if (inq_result[i] >= 0x20 && i < inq_result[4] + 5)
-                       printk("%c", inq_result[i]);
-               else
-                       printk(" ");
-
-       printk("  Rev: ");
-       for (i = 32; i < 36; i++)
-               if (inq_result[i] >= 0x20 && i < inq_result[4] + 5)
-                       printk("%c", inq_result[i]);
-               else
-                       printk(" ");
-
-       printk("\n");
-
-       i = inq_result[0] & 0x1f;
-
-       printk(KERN_NOTICE "  Type:   %s ",
-              i <
-              MAX_SCSI_DEVICE_CODE ? scsi_device_types[i] :
-              "Unknown          ");
-       printk("                 ANSI SCSI revision: %02x",
-              inq_result[2] & 0x07);
-       if ((inq_result[2] & 0x07) == 1 && (inq_result[3] & 0x0f) == 1)
-               printk(" CCS\n");
-       else
-               printk("\n");
-}
-
-/**
  * scsi_alloc_sdev - allocate and setup a scsi_Device
  *
  * Description:
@@ -653,9 +600,8 @@ static int scsi_add_lun(struct scsi_device *sdev, char *inq_result, int *bflags)
        if (*bflags & BLIST_ISROM) {
                /*
                 * It would be better to modify sdev->type, and set
-                * sdev->removable, but then the print_inquiry() output
-                * would not show TYPE_ROM; if print_inquiry() is removed
-                * the issue goes away.
+                * sdev->removable; this can now be done since
+                * print_inquiry has gone away.
                 */
                inq_result[0] = TYPE_ROM;
                inq_result[1] |= 0x80;  /* removable */
@@ -684,8 +630,6 @@ static int scsi_add_lun(struct scsi_device *sdev, char *inq_result, int *bflags)
                printk(KERN_INFO "scsi: unknown device type %d\n", sdev->type);
        }
 
-       print_inquiry(inq_result);
-
        /*
         * For a peripheral qualifier (PQ) value of 1 (001b), the SCSI
         * spec says: The device server is capable of supporting the
@@ -715,6 +659,12 @@ static int scsi_add_lun(struct scsi_device *sdev, char *inq_result, int *bflags)
        if (inq_result[7] & 0x10)
                sdev->sdtr = 1;
 
+       sdev_printk(KERN_NOTICE, sdev, "%s %.8s %.16s %.4s PQ: %d "
+                       "ANSI: %d%s\n", scsi_device_type(sdev->type),
+                       sdev->vendor, sdev->model, sdev->rev,
+                       sdev->inq_periph_qual, inq_result[2] & 0x07,
+                       (inq_result[3] & 0x0f) == 1 ? " CCS" : "");
+
        /*
         * End sysfs code.
         */
@@ -943,11 +893,26 @@ static int scsi_probe_and_add_lun(struct scsi_target *starget,
        }
 
        /*
-        * Non-standard SCSI targets may set the PDT to 0x1f (unknown or
-        * no device type) instead of using the Peripheral Qualifier to
-        * indicate that no LUN is present.  For example, USB UFI does this.
+        * Some targets may set slight variations of PQ and PDT to signal
+        * that no LUN is present, so don't add sdev in these cases.
+        * Two specific examples are:
+        * 1) NetApp targets: return PQ=1, PDT=0x1f
+        * 2) USB UFI: returns PDT=0x1f, with the PQ bits being "reserved"
+        *    in the UFI 1.0 spec (we cannot rely on reserved bits).
+        *
+        * References:
+        * 1) SCSI SPC-3, pp. 145-146
+        * PQ=1: "A peripheral device having the specified peripheral
+        * device type is not connected to this logical unit. However, the
+        * device server is capable of supporting the specified peripheral
+        * device type on this logical unit."
+        * PDT=0x1f: "Unknown or no device type"
+        * 2) USB UFI 1.0, p. 20
+        * PDT=00h Direct-access device (floppy)
+        * PDT=1Fh none (no FDD connected to the requested logical unit)
         */
-       if (starget->pdt_1f_for_no_lun && (result[0] & 0x1f) == 0x1f) {
+       if (((result[0] >> 5) == 1 || starget->pdt_1f_for_no_lun) &&
+            (result[0] & 0x1f) == 0x1f) {
                SCSI_LOG_SCAN_BUS(3, printk(KERN_INFO
                                        "scsi scan: peripheral device type"
                                        " of 31, no device added\n"));
index b03aa85..79d31ca 100644 (file)
@@ -301,8 +301,6 @@ static int fc_host_setup(struct transport_container *tc, struct device *dev,
        fc_host->supported_classes = FC_COS_UNSPECIFIED;
        memset(fc_host->supported_fc4s, 0,
                sizeof(fc_host->supported_fc4s));
-       memset(fc_host->symbolic_name, 0,
-               sizeof(fc_host->symbolic_name));
        fc_host->supported_speeds = FC_PORTSPEED_UNKNOWN;
        fc_host->maxframe_size = -1;
        memset(fc_host->serial_number, 0,
@@ -315,6 +313,8 @@ static int fc_host_setup(struct transport_container *tc, struct device *dev,
                sizeof(fc_host->active_fc4s));
        fc_host->speed = FC_PORTSPEED_UNKNOWN;
        fc_host->fabric_name = -1;
+       memset(fc_host->symbolic_name, 0, sizeof(fc_host->symbolic_name));
+       memset(fc_host->system_hostname, 0, sizeof(fc_host->system_hostname));
 
        fc_host->tgtid_bind_type = FC_TGTID_BIND_BY_WWPN;
 
@@ -688,6 +688,25 @@ store_fc_host_##field(struct class_device *cdev, const char *buf,  \
        return count;                                                   \
 }
 
+#define fc_host_store_str_function(field, slen)                                \
+static ssize_t                                                         \
+store_fc_host_##field(struct class_device *cdev, const char *buf,      \
+                          size_t count)                                \
+{                                                                      \
+       struct Scsi_Host *shost = transport_class_to_shost(cdev);       \
+       struct fc_internal *i = to_fc_internal(shost->transportt);      \
+       unsigned int cnt=count;                                         \
+                                                                       \
+       /* count may include a LF at end of string */                   \
+       if (buf[cnt-1] == '\n')                                         \
+               cnt--;                                                  \
+       if (cnt > ((slen) - 1))                                         \
+               return -EINVAL;                                         \
+       memcpy(fc_host_##field(shost), buf, cnt);                       \
+       i->f->set_host_##field(shost);                                  \
+       return count;                                                   \
+}
+
 #define fc_host_rd_attr(field, format_string, sz)                      \
        fc_host_show_function(field, format_string, sz, )               \
 static FC_CLASS_DEVICE_ATTR(host, field, S_IRUGO,                      \
@@ -815,7 +834,6 @@ fc_private_host_rd_attr_cast(node_name, "0x%llx\n", 20, unsigned long long);
 fc_private_host_rd_attr_cast(port_name, "0x%llx\n", 20, unsigned long long);
 fc_private_host_rd_attr_cast(permanent_port_name, "0x%llx\n", 20,
                             unsigned long long);
-fc_private_host_rd_attr(symbolic_name, "%s\n", (FC_SYMBOLIC_NAME_SIZE +1));
 fc_private_host_rd_attr(maxframe_size, "%u bytes\n", 20);
 fc_private_host_rd_attr(serial_number, "%s\n", (FC_SERIAL_NUMBER_SIZE +1));
 
@@ -858,6 +876,13 @@ fc_host_rd_attr(port_id, "0x%06x\n", 20);
 fc_host_rd_enum_attr(port_type, FC_PORTTYPE_MAX_NAMELEN);
 fc_host_rd_enum_attr(port_state, FC_PORTSTATE_MAX_NAMELEN);
 fc_host_rd_attr_cast(fabric_name, "0x%llx\n", 20, unsigned long long);
+fc_host_rd_attr(symbolic_name, "%s\n", FC_SYMBOLIC_NAME_SIZE + 1);
+
+fc_private_host_show_function(system_hostname, "%s\n",
+               FC_SYMBOLIC_NAME_SIZE + 1, )
+fc_host_store_str_function(system_hostname, FC_SYMBOLIC_NAME_SIZE)
+static FC_CLASS_DEVICE_ATTR(host, system_hostname, S_IRUGO | S_IWUSR,
+               show_fc_host_system_hostname, store_fc_host_system_hostname);
 
 
 /* Private Host Attributes */
@@ -1223,7 +1248,6 @@ fc_attach_transport(struct fc_function_template *ft)
        SETUP_HOST_ATTRIBUTE_RD(permanent_port_name);
        SETUP_HOST_ATTRIBUTE_RD(supported_classes);
        SETUP_HOST_ATTRIBUTE_RD(supported_fc4s);
-       SETUP_HOST_ATTRIBUTE_RD(symbolic_name);
        SETUP_HOST_ATTRIBUTE_RD(supported_speeds);
        SETUP_HOST_ATTRIBUTE_RD(maxframe_size);
        SETUP_HOST_ATTRIBUTE_RD(serial_number);
@@ -1234,6 +1258,8 @@ fc_attach_transport(struct fc_function_template *ft)
        SETUP_HOST_ATTRIBUTE_RD(active_fc4s);
        SETUP_HOST_ATTRIBUTE_RD(speed);
        SETUP_HOST_ATTRIBUTE_RD(fabric_name);
+       SETUP_HOST_ATTRIBUTE_RD(symbolic_name);
+       SETUP_HOST_ATTRIBUTE_RW(system_hostname);
 
        /* Transport-managed attributes */
        SETUP_PRIVATE_HOST_ATTRIBUTE_RW(tgtid_bind_type);
index 4eae06b..47faf43 100644 (file)
 #define PCI_DEVICE_ID_ALTIMA_AC9100    0x03ea
 #define PCI_DEVICE_ID_ALTIMA_AC1003    0x03eb
 
+#define PCI_VENDOR_ID_ARECA            0x17d3
+#define PCI_DEVICE_ID_ARECA_1110       0x1110
+#define PCI_DEVICE_ID_ARECA_1120       0x1120
+#define PCI_DEVICE_ID_ARECA_1130       0x1130
+#define PCI_DEVICE_ID_ARECA_1160       0x1160
+#define PCI_DEVICE_ID_ARECA_1170       0x1170
+#define PCI_DEVICE_ID_ARECA_1210       0x1210
+#define PCI_DEVICE_ID_ARECA_1220       0x1220
+#define PCI_DEVICE_ID_ARECA_1230       0x1230
+#define PCI_DEVICE_ID_ARECA_1260       0x1260
+#define PCI_DEVICE_ID_ARECA_1270       0x1270
+#define PCI_DEVICE_ID_ARECA_1280       0x1280
+#define PCI_DEVICE_ID_ARECA_1380       0x1380
+#define PCI_DEVICE_ID_ARECA_1381       0x1381
+#define PCI_DEVICE_ID_ARECA_1680       0x1680
+#define PCI_DEVICE_ID_ARECA_1681       0x1681
+
 #define PCI_VENDOR_ID_S2IO             0x17d5
 #define        PCI_DEVICE_ID_S2IO_WIN          0x5731
 #define        PCI_DEVICE_ID_S2IO_UNI          0x5831
index c60b8ff..1bc6752 100644 (file)
@@ -25,13 +25,6 @@ extern const unsigned char scsi_command_size[8];
 #define COMMAND_SIZE(opcode) scsi_command_size[((opcode) >> 5) & 7]
 
 /*
- *     SCSI device types
- */
-
-#define MAX_SCSI_DEVICE_CODE 15
-extern const char *const scsi_device_types[MAX_SCSI_DEVICE_CODE];
-
-/*
  * Special value for scanning to specify scanning or rescanning of all
  * possible channels, (target) ids, or luns on a given shost.
  */
@@ -225,6 +218,9 @@ static inline int scsi_status_is_good(int status)
 #define TYPE_RBC           0x0e
 #define TYPE_NO_LUN         0x7f
 
+/* Returns a human-readable name for the device */
+extern const char * scsi_device_type(unsigned type);
+
 /*
  * standard mode-select header prepended to all mode-select commands
  */
index 58e6444..be117f8 100644 (file)
@@ -118,20 +118,6 @@ struct scsi_cmnd {
        unsigned long pid;      /* Process ID, starts at 0. Unique per host. */
 };
 
-/*
- * These are the values that scsi_cmd->state can take.
- */
-#define SCSI_STATE_TIMEOUT         0x1000
-#define SCSI_STATE_FINISHED        0x1001
-#define SCSI_STATE_FAILED          0x1002
-#define SCSI_STATE_QUEUED          0x1003
-#define SCSI_STATE_UNUSED          0x1006
-#define SCSI_STATE_DISCONNECTING   0x1008
-#define SCSI_STATE_INITIALIZING    0x1009
-#define SCSI_STATE_BHQUEUE         0x100a
-#define SCSI_STATE_MLQUEUE         0x100b
-
-
 extern struct scsi_cmnd *scsi_get_command(struct scsi_device *, gfp_t);
 extern void scsi_put_command(struct scsi_cmnd *);
 extern void scsi_io_completion(struct scsi_cmnd *, unsigned int);
index 6d28b03..c74be5d 100644 (file)
@@ -312,7 +312,6 @@ struct fc_host_attrs {
        u64 permanent_port_name;
        u32 supported_classes;
        u8  supported_fc4s[FC_FC4_LIST_SIZE];
-       char symbolic_name[FC_SYMBOLIC_NAME_SIZE];
        u32 supported_speeds;
        u32 maxframe_size;
        char serial_number[FC_SERIAL_NUMBER_SIZE];
@@ -324,6 +323,8 @@ struct fc_host_attrs {
        u8  active_fc4s[FC_FC4_LIST_SIZE];
        u32 speed;
        u64 fabric_name;
+       char symbolic_name[FC_SYMBOLIC_NAME_SIZE];
+       char system_hostname[FC_SYMBOLIC_NAME_SIZE];
 
        /* Private (Transport-managed) Attributes */
        enum fc_tgtid_binding_type  tgtid_bind_type;
@@ -354,8 +355,6 @@ struct fc_host_attrs {
        (((struct fc_host_attrs *)(x)->shost_data)->supported_classes)
 #define fc_host_supported_fc4s(x)      \
        (((struct fc_host_attrs *)(x)->shost_data)->supported_fc4s)
-#define fc_host_symbolic_name(x)       \
-       (((struct fc_host_attrs *)(x)->shost_data)->symbolic_name)
 #define fc_host_supported_speeds(x)    \
        (((struct fc_host_attrs *)(x)->shost_data)->supported_speeds)
 #define fc_host_maxframe_size(x)       \
@@ -374,6 +373,10 @@ struct fc_host_attrs {
        (((struct fc_host_attrs *)(x)->shost_data)->speed)
 #define fc_host_fabric_name(x) \
        (((struct fc_host_attrs *)(x)->shost_data)->fabric_name)
+#define fc_host_symbolic_name(x)       \
+       (((struct fc_host_attrs *)(x)->shost_data)->symbolic_name)
+#define fc_host_system_hostname(x)     \
+       (((struct fc_host_attrs *)(x)->shost_data)->system_hostname)
 #define fc_host_tgtid_bind_type(x) \
        (((struct fc_host_attrs *)(x)->shost_data)->tgtid_bind_type)
 #define fc_host_rports(x) \
@@ -409,6 +412,8 @@ struct fc_function_template {
        void    (*get_host_active_fc4s)(struct Scsi_Host *);
        void    (*get_host_speed)(struct Scsi_Host *);
        void    (*get_host_fabric_name)(struct Scsi_Host *);
+       void    (*get_host_symbolic_name)(struct Scsi_Host *);
+       void    (*set_host_system_hostname)(struct Scsi_Host *);
 
        struct fc_host_statistics * (*get_fc_host_stats)(struct Scsi_Host *);
        void    (*reset_fc_host_stats)(struct Scsi_Host *);
@@ -445,7 +450,6 @@ struct fc_function_template {
        unsigned long   show_host_permanent_port_name:1;
        unsigned long   show_host_supported_classes:1;
        unsigned long   show_host_supported_fc4s:1;
-       unsigned long   show_host_symbolic_name:1;
        unsigned long   show_host_supported_speeds:1;
        unsigned long   show_host_maxframe_size:1;
        unsigned long   show_host_serial_number:1;
@@ -456,6 +460,8 @@ struct fc_function_template {
        unsigned long   show_host_active_fc4s:1;
        unsigned long   show_host_speed:1;
        unsigned long   show_host_fabric_name:1;
+       unsigned long   show_host_symbolic_name:1;
+       unsigned long   show_host_system_hostname:1;
 };
 
 
@@ -491,6 +497,25 @@ fc_remote_port_chkready(struct fc_rport *rport)
        return result;
 }
 
+static inline u64 wwn_to_u64(u8 *wwn)
+{
+       return (u64)wwn[0] << 56 | (u64)wwn[1] << 48 |
+           (u64)wwn[2] << 40 | (u64)wwn[3] << 32 |
+           (u64)wwn[4] << 24 | (u64)wwn[5] << 16 |
+           (u64)wwn[6] <<  8 | (u64)wwn[7];
+}
+
+static inline void u64_to_wwn(u64 inm, u8 *wwn)
+{
+       wwn[0] = (inm >> 56) & 0xff;
+       wwn[1] = (inm >> 48) & 0xff;
+       wwn[2] = (inm >> 40) & 0xff;
+       wwn[3] = (inm >> 32) & 0xff;
+       wwn[4] = (inm >> 24) & 0xff;
+       wwn[5] = (inm >> 16) & 0xff;
+       wwn[6] = (inm >> 8) & 0xff;
+       wwn[7] = inm & 0xff;
+}
 
 struct scsi_transport_template *fc_attach_transport(
                        struct fc_function_template *);
@@ -502,12 +527,4 @@ void fc_remote_port_delete(struct fc_rport  *rport);
 void fc_remote_port_rolechg(struct fc_rport  *rport, u32 roles);
 int scsi_is_fc_rport(const struct device *);
 
-static inline u64 wwn_to_u64(u8 *wwn)
-{
-       return (u64)wwn[0] << 56 | (u64)wwn[1] << 48 |
-           (u64)wwn[2] << 40 | (u64)wwn[3] << 32 |
-           (u64)wwn[4] << 24 | (u64)wwn[5] << 16 |
-           (u64)wwn[6] <<  8 | (u64)wwn[7];
-}
-
 #endif /* SCSI_TRANSPORT_FC_H */