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Message-Id: <6f8e4da4ea643adbe048f55504a59427c5e50c97.1583136624.git.mchehab+huawei@kernel.org>
Date: Mon, 2 Mar 2020 09:16:15 +0100
From: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To: Linux Doc Mailing List <linux-doc@...r.kernel.org>
Cc: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
linux-kernel@...r.kernel.org, Jonathan Corbet <corbet@....net>,
"James E.J. Bottomley" <jejb@...ux.ibm.com>,
"Martin K. Petersen" <martin.petersen@...cle.com>,
linux-scsi@...r.kernel.org
Subject: [PATCH 42/42] docs: scsi: convert arcmsr_spec.txt to ReST
This file had its own peculiar style, not following any other
files inside the Kernel (as far as I saw).
Had to do a number of changes here, starting by removing the two
leading asterisks from each line, adding table and literal
block markups and changing whitespace and blank lines.
The end result is that (IMHO), it is now a lot easier to read
it as a text file, while producing a good html output.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
---
Documentation/scsi/arcmsr_spec.rst | 907 +++++++++++++++++++++++++++++
Documentation/scsi/arcmsr_spec.txt | 574 ------------------
Documentation/scsi/index.rst | 1 +
drivers/scsi/arcmsr/arcmsr_attr.c | 2 +-
drivers/scsi/arcmsr/arcmsr_hba.c | 2 +-
5 files changed, 910 insertions(+), 576 deletions(-)
create mode 100644 Documentation/scsi/arcmsr_spec.rst
delete mode 100644 Documentation/scsi/arcmsr_spec.txt
diff --git a/Documentation/scsi/arcmsr_spec.rst b/Documentation/scsi/arcmsr_spec.rst
new file mode 100644
index 000000000000..83dd53bcff78
--- /dev/null
+++ b/Documentation/scsi/arcmsr_spec.rst
@@ -0,0 +1,907 @@
+ARECA FIRMWARE SPEC
+===================
+
+Usage of IOP331 adapter
+=======================
+
+(All In/Out is in IOP331's view)
+
+1. Message 0
+------------
+
+- InitThread message and return code
+
+2. Doorbell is used for RS-232 emulation
+----------------------------------------
+
+inDoorBell
+ bit0
+ data in ready
+ zDRIVER 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/Documentation/scsi/arcmsr_spec.txt b/Documentation/scsi/arcmsr_spec.txt
deleted file mode 100644
index 45d9482c1517..000000000000
--- a/Documentation/scsi/arcmsr_spec.txt
+++ /dev/null
@@ -1,574 +0,0 @@
-*******************************************************************************
-** ARECA FIRMWARE SPEC
-*******************************************************************************
-** Usage of IOP331 adapter
-** (All In/Out is in IOP331's view)
-** 1. Message 0 --> InitThread message and return 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/Documentation/scsi/index.rst b/Documentation/scsi/index.rst
index 260f1145431d..7c5f5f8f614e 100644
--- a/Documentation/scsi/index.rst
+++ b/Documentation/scsi/index.rst
@@ -13,6 +13,7 @@ Linux SCSI Subsystem
aha152x
aic79xx
aic7xxx
+ arcmsr_spec
bfa
bnx2fc
BusLogic
diff --git a/drivers/scsi/arcmsr/arcmsr_attr.c b/drivers/scsi/arcmsr/arcmsr_attr.c
index 259d9c20bf25..57be9609d504 100644
--- a/drivers/scsi/arcmsr/arcmsr_attr.c
+++ b/drivers/scsi/arcmsr/arcmsr_attr.c
@@ -41,7 +41,7 @@
** 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
+** Firmware Specification, see Documentation/scsi/arcmsr_spec.rst
*******************************************************************************
*/
#include <linux/module.h>
diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c
index 40dc8eac0e3a..a48632b05ade 100644
--- a/drivers/scsi/arcmsr/arcmsr_hba.c
+++ b/drivers/scsi/arcmsr/arcmsr_hba.c
@@ -41,7 +41,7 @@
** 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
+** Firmware Specification, see Documentation/scsi/arcmsr_spec.rst
*******************************************************************************
*/
#include <linux/module.h>
--
2.21.1
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