From 1c57e86d75cf162bdadb3a5fe0cd3f65aa1a9ca3 Mon Sep 17 00:00:00 2001 From: Erich Chen Date: Wed, 12 Jul 2006 08:59:32 -0700 Subject: [PATCH] [SCSI] arcmsr: initial driver, version 1.20.00.13 arcmsr is a driver for the Areca Raid controller, a host based RAID subsystem that speaks SCSI at the firmware level. This patch is quite a clean up over the initial submission with contributions from: Randy Dunlap Christoph Hellwig Matthew Wilcox Adrian Bunk Signed-off-by: Erich Chen Signed-off-by: Andrew Morton Signed-off-by: James Bottomley --- Documentation/scsi/ChangeLog.arcmsr | 56 + Documentation/scsi/arcmsr_spec.txt | 574 ++++++++++ drivers/scsi/Kconfig | 14 + drivers/scsi/Makefile | 1 + drivers/scsi/arcmsr/Makefile | 6 + drivers/scsi/arcmsr/arcmsr.h | 472 +++++++++ drivers/scsi/arcmsr/arcmsr_attr.c | 392 +++++++ drivers/scsi/arcmsr/arcmsr_hba.c | 1496 +++++++++++++++++++++++++++ include/linux/pci_ids.h | 17 + 9 files changed, 3028 insertions(+) create mode 100644 Documentation/scsi/ChangeLog.arcmsr create mode 100644 Documentation/scsi/arcmsr_spec.txt create mode 100644 drivers/scsi/arcmsr/Makefile create mode 100644 drivers/scsi/arcmsr/arcmsr.h create mode 100644 drivers/scsi/arcmsr/arcmsr_attr.c create mode 100644 drivers/scsi/arcmsr/arcmsr_hba.c diff --git a/Documentation/scsi/ChangeLog.arcmsr b/Documentation/scsi/ChangeLog.arcmsr new file mode 100644 index 00000000000..162c47fdf45 --- /dev/null +++ b/Documentation/scsi/ChangeLog.arcmsr @@ -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 index 00000000000..5e0042340fd --- /dev/null +++ b/Documentation/scsi/arcmsr_spec.txt @@ -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 +************************************************************************** diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig index 96a81cd1761..d61662c1a0e 100644 --- a/drivers/scsi/Kconfig +++ b/drivers/scsi/Kconfig @@ -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 diff --git a/drivers/scsi/Makefile b/drivers/scsi/Makefile index ebd0cf00bf3..b2de9bfdfdc 100644 --- a/drivers/scsi/Makefile +++ b/drivers/scsi/Makefile @@ -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 diff --git a/drivers/scsi/arcmsr/Makefile b/drivers/scsi/arcmsr/Makefile new file mode 100644 index 00000000000..721aced3916 --- /dev/null +++ b/drivers/scsi/arcmsr/Makefile @@ -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 index 00000000000..aff96db9ccf --- /dev/null +++ b/drivers/scsi/arcmsr/arcmsr.h @@ -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 + +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 index 00000000000..0459f4194d7 --- /dev/null +++ b/drivers/scsi/arcmsr/arcmsr_attr.c @@ -0,0 +1,392 @@ +/* +******************************************************************************* +** 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 +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#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 *) + ®->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, + ®->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 + , ®->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: + error = sysfs_remove_bin_file(&host->shost_classdev.kobj, + &arcmsr_sysfs_message_write_attr); + if (error) + printk(KERN_ERR "arcmsr: sysfs_remove_bin_file mu_write failed\n"); +error_bin_file_message_write: + error = sysfs_remove_bin_file(&host->shost_classdev.kobj, + &arcmsr_sysfs_message_read_attr); + if (error) + printk(KERN_ERR "arcmsr: sysfs_remove_bin_file mu_read failed\n"); +error_bin_file_message_read: + return error; +} + +void +arcmsr_free_sysfs_attr(struct AdapterControlBlock *acb) { + struct Scsi_Host *host = acb->host; + int error; + + error = sysfs_remove_bin_file(&host->shost_classdev.kobj, + &arcmsr_sysfs_message_clear_attr); + if (error) + printk(KERN_ERR "arcmsr: free sysfs mu_clear failed\n"); + error = sysfs_remove_bin_file(&host->shost_classdev.kobj, + &arcmsr_sysfs_message_write_attr); + if (error) + printk(KERN_ERR "arcmsr: free sysfs mu_write failed\n"); + error = sysfs_remove_bin_file(&host->shost_classdev.kobj, + &arcmsr_sysfs_message_read_attr); + if (error) + printk(KERN_ERR "arcmsr: free sysfss mu_read failed\n"); +} + + +static ssize_t +arcmsr_attr_host_driver_version(struct class_device *cdev, char *buf) { + return snprintf(buf, PAGE_SIZE, + "ARCMSR: %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, + "Current commands posted: %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, + "SCSI Host Resets: %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, + "SCSI Aborts/Timeouts: %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, + "Adapter Model: %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, + "Firmware Version: %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, + "Reguest Lenth: %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, + "Numbers of Queue: %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, + "SDRAM 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, + "Hard Disk Channels: %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 index 00000000000..475f978ff8f --- /dev/null +++ b/drivers/scsi/arcmsr/arcmsr_hba.c @@ -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 +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "arcmsr.h" + +MODULE_AUTHOR("Erich Chen "); +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, ®->message_rwbuffer[0]); + writel(ccb_phyaddr_hi32, ®->message_rwbuffer[1]); + writel(ARCMSR_INBOUND_MESG0_SET_CONFIG, ®->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(®->outbound_intmask) | + ARCMSR_MU_OUTBOUND_ALL_INTMASKENABLE, + ®->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, ®->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(®->outbound_intmask) | + ARCMSR_MU_OUTBOUND_ALL_INTMASKENABLE, + ®->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(®->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(®->outbound_intmask); + + writel(orig_mask | ARCMSR_MU_OUTBOUND_ALL_INTMASKENABLE, + ®->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, ®->outbound_intmask); +} + +static void arcmsr_flush_adapter_cache(struct AdapterControlBlock *acb) +{ + struct MessageUnit __iomem *reg=acb->pmu; + + writel(ARCMSR_INBOUND_MESG0_FLUSH_CACHE, ®->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(®->outbound_intstatus) + & ARCMSR_MU_OUTBOUND_MESSAGE0_INT) { + writel(ARCMSR_MU_OUTBOUND_MESSAGE0_INT + , ®->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, + ®->inbound_queueport); + else + writel(cdb_shifted_phyaddr, ®->inbound_queueport); +} + +void arcmsr_post_Qbuffer(struct AdapterControlBlock *acb) +{ + struct MessageUnit __iomem *reg = acb->pmu; + struct QBUFFER __iomem *pwbuffer = (struct QBUFFER __iomem *) ®->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 + , ®->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, ®->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(®->outbound_intstatus) + & acb->outbound_int_enable; + writel(outbound_intstatus, ®->outbound_intstatus); + if (outbound_intstatus & ARCMSR_MU_OUTBOUND_DOORBELL_INT) { + outbound_doorbell = readl(®->outbound_doorbell); + writel(outbound_doorbell, ®->outbound_doorbell); + if (outbound_doorbell & ARCMSR_OUTBOUND_IOP331_DATA_WRITE_OK) { + struct QBUFFER __iomem * prbuffer = + (struct QBUFFER __iomem *) ®->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, + ®->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 *) ®->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, + ®->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(®->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 *) + ®->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, + ®->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, + ®->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 + , ®->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 + , ®->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 *) ®->message_rwbuffer[15]; + char __iomem *iop_firm_version = (char __iomem *) ®->message_rwbuffer[17]; + int count; + + writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, ®->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(®->message_rwbuffer[1]); + acb->firm_numbers_queue = readl(®->message_rwbuffer[2]); + acb->firm_sdram_size = readl(®->message_rwbuffer[3]); + acb->firm_hd_channels = readl(®->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(®->outbound_intstatus) + & acb->outbound_int_enable; + writel(outbound_intstatus, ®->outbound_intstatus);/*clear interrupt*/ + while (1) { + if ((flag_ccb = readl(®->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(®->outbound_msgaddr1); + } while (!(firmware_state & ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK)); + intmask_org = readl(®->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, ®->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(®->outbound_doorbell); + writel(outbound_doorbell, ®->outbound_doorbell); + writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK, ®->inbound_doorbell); + mask = ~(ARCMSR_MU_OUTBOUND_POSTQUEUE_INTMASKENABLE + | ARCMSR_MU_OUTBOUND_DOORBELL_INTMASKENABLE); + writel(intmask_org & mask, ®->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(®->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; +} + + diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h index c09396d2c77..df7b62676d8 100644 --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -2004,6 +2004,23 @@ #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 -- 2.39.5