1******************************************************************************* 2** ARECA FIRMWARE SPEC 3******************************************************************************* 4** Usage of IOP331 adapter 5** (All In/Out is in IOP331's view) 6** 1. Message 0 --> InitThread message and return code 7** 2. Doorbell is used for RS-232 emulation 8** inDoorBell : bit0 -- data in ready 9** (DRIVER DATA WRITE OK) 10** bit1 -- data out has been read 11** (DRIVER DATA READ OK) 12** outDooeBell: bit0 -- data out ready 13** (IOP331 DATA WRITE OK) 14** bit1 -- data in has been read 15** (IOP331 DATA READ OK) 16** 3. Index Memory Usage 17** offset 0xf00 : for RS232 out (request buffer) 18** offset 0xe00 : for RS232 in (scratch buffer) 19** offset 0xa00 : for inbound message code message_rwbuffer 20** (driver send to IOP331) 21** offset 0xa00 : for outbound message code message_rwbuffer 22** (IOP331 send to driver) 23** 4. RS-232 emulation 24** Currently 128 byte buffer is used 25** 1st uint32_t : Data length (1--124) 26** Byte 4--127 : Max 124 bytes of data 27** 5. PostQ 28** All SCSI Command must be sent through postQ: 29** (inbound queue port) Request frame must be 32 bytes aligned 30** #bit27--bit31 => flag for post ccb 31** #bit0--bit26 => real address (bit27--bit31) of post arcmsr_cdb 32** bit31 : 33** 0 : 256 bytes frame 34** 1 : 512 bytes frame 35** bit30 : 36** 0 : normal request 37** 1 : BIOS request 38** bit29 : reserved 39** bit28 : reserved 40** bit27 : reserved 41** --------------------------------------------------------------------------- 42** (outbount queue port) Request reply 43** #bit27--bit31 44** => flag for reply 45** #bit0--bit26 46** => real address (bit27--bit31) of reply arcmsr_cdb 47** bit31 : must be 0 (for this type of reply) 48** bit30 : reserved for BIOS handshake 49** bit29 : reserved 50** bit28 : 51** 0 : no error, ignore AdapStatus/DevStatus/SenseData 52** 1 : Error, error code in AdapStatus/DevStatus/SenseData 53** bit27 : reserved 54** 6. BIOS request 55** All BIOS request is the same with request from PostQ 56** Except : 57** Request frame is sent from configuration space 58** offset: 0x78 : Request Frame (bit30 == 1) 59** offset: 0x18 : writeonly to generate 60** IRQ to IOP331 61** Completion of request: 62** (bit30 == 0, bit28==err flag) 63** 7. Definition of SGL entry (structure) 64** 8. Message1 Out - Diag Status Code (????) 65** 9. Message0 message code : 66** 0x00 : NOP 67** 0x01 : Get Config 68** ->offset 0xa00 :for outbound message code message_rwbuffer 69** (IOP331 send to driver) 70** Signature 0x87974060(4) 71** Request len 0x00000200(4) 72** numbers of queue 0x00000100(4) 73** SDRAM Size 0x00000100(4)-->256 MB 74** IDE Channels 0x00000008(4) 75** vendor 40 bytes char 76** model 8 bytes char 77** FirmVer 16 bytes char 78** Device Map 16 bytes char 79** FirmwareVersion DWORD <== Added for checking of 80** new firmware capability 81** 0x02 : Set Config 82** ->offset 0xa00 :for inbound message code message_rwbuffer 83** (driver send to IOP331) 84** Signature 0x87974063(4) 85** UPPER32 of Request Frame (4)-->Driver Only 86** 0x03 : Reset (Abort all queued Command) 87** 0x04 : Stop Background Activity 88** 0x05 : Flush Cache 89** 0x06 : Start Background Activity 90** (re-start if background is halted) 91** 0x07 : Check If Host Command Pending 92** (Novell May Need This Function) 93** 0x08 : Set controller time 94** ->offset 0xa00 : for inbound message code message_rwbuffer 95** (driver to IOP331) 96** byte 0 : 0xaa <-- signature 97** byte 1 : 0x55 <-- signature 98** byte 2 : year (04) 99** byte 3 : month (1..12) 100** byte 4 : date (1..31) 101** byte 5 : hour (0..23) 102** byte 6 : minute (0..59) 103** byte 7 : second (0..59) 104******************************************************************************* 105******************************************************************************* 106** RS-232 Interface for Areca Raid Controller 107** The low level command interface is exclusive with VT100 terminal 108** -------------------------------------------------------------------- 109** 1. Sequence of command execution 110** -------------------------------------------------------------------- 111** (A) Header : 3 bytes sequence (0x5E, 0x01, 0x61) 112** (B) Command block : variable length of data including length, 113** command code, data and checksum byte 114** (C) Return data : variable length of data 115** -------------------------------------------------------------------- 116** 2. Command block 117** -------------------------------------------------------------------- 118** (A) 1st byte : command block length (low byte) 119** (B) 2nd byte : command block length (high byte) 120** note ..command block length shouldn't > 2040 bytes, 121** length excludes these two bytes 122** (C) 3rd byte : command code 123** (D) 4th and following bytes : variable length data bytes 124** depends on command code 125** (E) last byte : checksum byte (sum of 1st byte until last data byte) 126** -------------------------------------------------------------------- 127** 3. Command code and associated data 128** -------------------------------------------------------------------- 129** The following are command code defined in raid controller Command 130** code 0x10--0x1? are used for system level management, 131** no password checking is needed and should be implemented in separate 132** well controlled utility and not for end user access. 133** Command code 0x20--0x?? always check the password, 134** password must be entered to enable these command. 135** enum 136** { 137** GUI_SET_SERIAL=0x10, 138** GUI_SET_VENDOR, 139** GUI_SET_MODEL, 140** GUI_IDENTIFY, 141** GUI_CHECK_PASSWORD, 142** GUI_LOGOUT, 143** GUI_HTTP, 144** GUI_SET_ETHERNET_ADDR, 145** GUI_SET_LOGO, 146** GUI_POLL_EVENT, 147** GUI_GET_EVENT, 148** GUI_GET_HW_MONITOR, 149** // GUI_QUICK_CREATE=0x20, (function removed) 150** GUI_GET_INFO_R=0x20, 151** GUI_GET_INFO_V, 152** GUI_GET_INFO_P, 153** GUI_GET_INFO_S, 154** GUI_CLEAR_EVENT, 155** GUI_MUTE_BEEPER=0x30, 156** GUI_BEEPER_SETTING, 157** GUI_SET_PASSWORD, 158** GUI_HOST_INTERFACE_MODE, 159** GUI_REBUILD_PRIORITY, 160** GUI_MAX_ATA_MODE, 161** GUI_RESET_CONTROLLER, 162** GUI_COM_PORT_SETTING, 163** GUI_NO_OPERATION, 164** GUI_DHCP_IP, 165** GUI_CREATE_PASS_THROUGH=0x40, 166** GUI_MODIFY_PASS_THROUGH, 167** GUI_DELETE_PASS_THROUGH, 168** GUI_IDENTIFY_DEVICE, 169** GUI_CREATE_RAIDSET=0x50, 170** GUI_DELETE_RAIDSET, 171** GUI_EXPAND_RAIDSET, 172** GUI_ACTIVATE_RAIDSET, 173** GUI_CREATE_HOT_SPARE, 174** GUI_DELETE_HOT_SPARE, 175** GUI_CREATE_VOLUME=0x60, 176** GUI_MODIFY_VOLUME, 177** GUI_DELETE_VOLUME, 178** GUI_START_CHECK_VOLUME, 179** GUI_STOP_CHECK_VOLUME 180** }; 181** Command description : 182** GUI_SET_SERIAL : Set the controller serial# 183** byte 0,1 : length 184** byte 2 : command code 0x10 185** byte 3 : password length (should be 0x0f) 186** byte 4-0x13 : should be "ArEcATecHnoLogY" 187** byte 0x14--0x23 : Serial number string (must be 16 bytes) 188** GUI_SET_VENDOR : Set vendor string for the controller 189** byte 0,1 : length 190** byte 2 : command code 0x11 191** byte 3 : password length (should be 0x08) 192** byte 4-0x13 : should be "ArEcAvAr" 193** byte 0x14--0x3B : vendor string (must be 40 bytes) 194** GUI_SET_MODEL : Set the model name of the controller 195** byte 0,1 : length 196** byte 2 : command code 0x12 197** byte 3 : password length (should be 0x08) 198** byte 4-0x13 : should be "ArEcAvAr" 199** byte 0x14--0x1B : model string (must be 8 bytes) 200** GUI_IDENTIFY : Identify device 201** byte 0,1 : length 202** byte 2 : command code 0x13 203** return "Areca RAID Subsystem " 204** GUI_CHECK_PASSWORD : Verify password 205** byte 0,1 : length 206** byte 2 : command code 0x14 207** byte 3 : password length 208** byte 4-0x?? : user password to be checked 209** GUI_LOGOUT : Logout GUI (force password checking on next command) 210** byte 0,1 : length 211** byte 2 : command code 0x15 212** GUI_HTTP : HTTP interface (reserved for Http proxy service)(0x16) 213** 214** GUI_SET_ETHERNET_ADDR : Set the ethernet MAC address 215** byte 0,1 : length 216** byte 2 : command code 0x17 217** byte 3 : password length (should be 0x08) 218** byte 4-0x13 : should be "ArEcAvAr" 219** byte 0x14--0x19 : Ethernet MAC address (must be 6 bytes) 220** GUI_SET_LOGO : Set logo in HTTP 221** byte 0,1 : length 222** byte 2 : command code 0x18 223** byte 3 : Page# (0/1/2/3) (0xff --> clear OEM logo) 224** byte 4/5/6/7 : 0x55/0xaa/0xa5/0x5a 225** byte 8 : TITLE.JPG data (each page must be 2000 bytes) 226** note page0 1st 2 byte must be 227** actual length of the JPG file 228** GUI_POLL_EVENT : Poll If Event Log Changed 229** byte 0,1 : length 230** byte 2 : command code 0x19 231** GUI_GET_EVENT : Read Event 232** byte 0,1 : length 233** byte 2 : command code 0x1a 234** byte 3 : Event Page (0:1st page/1/2/3:last page) 235** GUI_GET_HW_MONITOR : Get HW monitor data 236** byte 0,1 : length 237** byte 2 : command code 0x1b 238** byte 3 : # of FANs(example 2) 239** byte 4 : # of Voltage sensor(example 3) 240** byte 5 : # of temperature sensor(example 2) 241** byte 6 : # of power 242** byte 7/8 : Fan#0 (RPM) 243** byte 9/10 : Fan#1 244** byte 11/12 : Voltage#0 original value in *1000 245** byte 13/14 : Voltage#0 value 246** byte 15/16 : Voltage#1 org 247** byte 17/18 : Voltage#1 248** byte 19/20 : Voltage#2 org 249** byte 21/22 : Voltage#2 250** byte 23 : Temp#0 251** byte 24 : Temp#1 252** byte 25 : Power indicator (bit0 : power#0, 253** bit1 : power#1) 254** byte 26 : UPS indicator 255** GUI_QUICK_CREATE : Quick create raid/volume set 256** byte 0,1 : length 257** byte 2 : command code 0x20 258** byte 3/4/5/6 : raw capacity 259** byte 7 : raid level 260** byte 8 : stripe size 261** byte 9 : spare 262** byte 10/11/12/13: device mask (the devices to create raid/volume) 263** This function is removed, application like 264** to implement quick create function 265** need to use GUI_CREATE_RAIDSET and GUI_CREATE_VOLUMESET function. 266** GUI_GET_INFO_R : Get Raid Set Information 267** byte 0,1 : length 268** byte 2 : command code 0x20 269** byte 3 : raidset# 270** typedef struct sGUI_RAIDSET 271** { 272** BYTE grsRaidSetName[16]; 273** DWORD grsCapacity; 274** DWORD grsCapacityX; 275** DWORD grsFailMask; 276** BYTE grsDevArray[32]; 277** BYTE grsMemberDevices; 278** BYTE grsNewMemberDevices; 279** BYTE grsRaidState; 280** BYTE grsVolumes; 281** BYTE grsVolumeList[16]; 282** BYTE grsRes1; 283** BYTE grsRes2; 284** BYTE grsRes3; 285** BYTE grsFreeSegments; 286** DWORD grsRawStripes[8]; 287** DWORD grsRes4; 288** DWORD grsRes5; // Total to 128 bytes 289** DWORD grsRes6; // Total to 128 bytes 290** } sGUI_RAIDSET, *pGUI_RAIDSET; 291** GUI_GET_INFO_V : Get Volume Set Information 292** byte 0,1 : length 293** byte 2 : command code 0x21 294** byte 3 : volumeset# 295** typedef struct sGUI_VOLUMESET 296** { 297** BYTE gvsVolumeName[16]; // 16 298** DWORD gvsCapacity; 299** DWORD gvsCapacityX; 300** DWORD gvsFailMask; 301** DWORD gvsStripeSize; 302** DWORD gvsNewFailMask; 303** DWORD gvsNewStripeSize; 304** DWORD gvsVolumeStatus; 305** DWORD gvsProgress; // 32 306** sSCSI_ATTR gvsScsi; 307** BYTE gvsMemberDisks; 308** BYTE gvsRaidLevel; // 8 309** BYTE gvsNewMemberDisks; 310** BYTE gvsNewRaidLevel; 311** BYTE gvsRaidSetNumber; 312** BYTE gvsRes0; // 4 313** BYTE gvsRes1[4]; // 64 bytes 314** } sGUI_VOLUMESET, *pGUI_VOLUMESET; 315** GUI_GET_INFO_P : Get Physical Drive Information 316** byte 0,1 : length 317** byte 2 : command code 0x22 318** byte 3 : drive # (from 0 to max-channels - 1) 319** typedef struct sGUI_PHY_DRV 320** { 321** BYTE gpdModelName[40]; 322** BYTE gpdSerialNumber[20]; 323** BYTE gpdFirmRev[8]; 324** DWORD gpdCapacity; 325** DWORD gpdCapacityX; // Reserved for expansion 326** BYTE gpdDeviceState; 327** BYTE gpdPioMode; 328** BYTE gpdCurrentUdmaMode; 329** BYTE gpdUdmaMode; 330** BYTE gpdDriveSelect; 331** BYTE gpdRaidNumber; // 0xff if not belongs to a raid set 332** sSCSI_ATTR gpdScsi; 333** BYTE gpdReserved[40]; // Total to 128 bytes 334** } sGUI_PHY_DRV, *pGUI_PHY_DRV; 335** GUI_GET_INFO_S : Get System Information 336** byte 0,1 : length 337** byte 2 : command code 0x23 338** typedef struct sCOM_ATTR 339** { 340** BYTE comBaudRate; 341** BYTE comDataBits; 342** BYTE comStopBits; 343** BYTE comParity; 344** BYTE comFlowControl; 345** } sCOM_ATTR, *pCOM_ATTR; 346** typedef struct sSYSTEM_INFO 347** { 348** BYTE gsiVendorName[40]; 349** BYTE gsiSerialNumber[16]; 350** BYTE gsiFirmVersion[16]; 351** BYTE gsiBootVersion[16]; 352** BYTE gsiMbVersion[16]; 353** BYTE gsiModelName[8]; 354** BYTE gsiLocalIp[4]; 355** BYTE gsiCurrentIp[4]; 356** DWORD gsiTimeTick; 357** DWORD gsiCpuSpeed; 358** DWORD gsiICache; 359** DWORD gsiDCache; 360** DWORD gsiScache; 361** DWORD gsiMemorySize; 362** DWORD gsiMemorySpeed; 363** DWORD gsiEvents; 364** BYTE gsiMacAddress[6]; 365** BYTE gsiDhcp; 366** BYTE gsiBeeper; 367** BYTE gsiChannelUsage; 368** BYTE gsiMaxAtaMode; 369** BYTE gsiSdramEcc; // 1:if ECC enabled 370** BYTE gsiRebuildPriority; 371** sCOM_ATTR gsiComA; // 5 bytes 372** sCOM_ATTR gsiComB; // 5 bytes 373** BYTE gsiIdeChannels; 374** BYTE gsiScsiHostChannels; 375** BYTE gsiIdeHostChannels; 376** BYTE gsiMaxVolumeSet; 377** BYTE gsiMaxRaidSet; 378** BYTE gsiEtherPort; // 1:if ether net port supported 379** BYTE gsiRaid6Engine; // 1:Raid6 engine supported 380** BYTE gsiRes[75]; 381** } sSYSTEM_INFO, *pSYSTEM_INFO; 382** GUI_CLEAR_EVENT : Clear System Event 383** byte 0,1 : length 384** byte 2 : command code 0x24 385** GUI_MUTE_BEEPER : Mute current beeper 386** byte 0,1 : length 387** byte 2 : command code 0x30 388** GUI_BEEPER_SETTING : Disable beeper 389** byte 0,1 : length 390** byte 2 : command code 0x31 391** byte 3 : 0->disable, 1->enable 392** GUI_SET_PASSWORD : Change password 393** byte 0,1 : length 394** byte 2 : command code 0x32 395** byte 3 : pass word length ( must <= 15 ) 396** byte 4 : password (must be alpha-numerical) 397** GUI_HOST_INTERFACE_MODE : Set host interface mode 398** byte 0,1 : length 399** byte 2 : command code 0x33 400** byte 3 : 0->Independent, 1->cluster 401** GUI_REBUILD_PRIORITY : Set rebuild priority 402** byte 0,1 : length 403** byte 2 : command code 0x34 404** byte 3 : 0/1/2/3 (low->high) 405** GUI_MAX_ATA_MODE : Set maximum ATA mode to be used 406** byte 0,1 : length 407** byte 2 : command code 0x35 408** byte 3 : 0/1/2/3 (133/100/66/33) 409** GUI_RESET_CONTROLLER : Reset Controller 410** byte 0,1 : length 411** byte 2 : command code 0x36 412** *Response with VT100 screen (discard it) 413** GUI_COM_PORT_SETTING : COM port setting 414** byte 0,1 : length 415** byte 2 : command code 0x37 416** byte 3 : 0->COMA (term port), 417** 1->COMB (debug port) 418** byte 4 : 0/1/2/3/4/5/6/7 419** (1200/2400/4800/9600/19200/38400/57600/115200) 420** byte 5 : data bit 421** (0:7 bit, 1:8 bit : must be 8 bit) 422** byte 6 : stop bit (0:1, 1:2 stop bits) 423** byte 7 : parity (0:none, 1:off, 2:even) 424** byte 8 : flow control 425** (0:none, 1:xon/xoff, 2:hardware => must use none) 426** GUI_NO_OPERATION : No operation 427** byte 0,1 : length 428** byte 2 : command code 0x38 429** GUI_DHCP_IP : Set DHCP option and local IP address 430** byte 0,1 : length 431** byte 2 : command code 0x39 432** byte 3 : 0:dhcp disabled, 1:dhcp enabled 433** byte 4/5/6/7 : IP address 434** GUI_CREATE_PASS_THROUGH : Create pass through disk 435** byte 0,1 : length 436** byte 2 : command code 0x40 437** byte 3 : device # 438** byte 4 : scsi channel (0/1) 439** byte 5 : scsi id (0-->15) 440** byte 6 : scsi lun (0-->7) 441** byte 7 : tagged queue (1 : enabled) 442** byte 8 : cache mode (1 : enabled) 443** byte 9 : max speed (0/1/2/3/4, 444** async/20/40/80/160 for scsi) 445** (0/1/2/3/4, 33/66/100/133/150 for ide ) 446** GUI_MODIFY_PASS_THROUGH : Modify pass through disk 447** byte 0,1 : length 448** byte 2 : command code 0x41 449** byte 3 : device # 450** byte 4 : scsi channel (0/1) 451** byte 5 : scsi id (0-->15) 452** byte 6 : scsi lun (0-->7) 453** byte 7 : tagged queue (1 : enabled) 454** byte 8 : cache mode (1 : enabled) 455** byte 9 : max speed (0/1/2/3/4, 456** async/20/40/80/160 for scsi) 457** (0/1/2/3/4, 33/66/100/133/150 for ide ) 458** GUI_DELETE_PASS_THROUGH : Delete pass through disk 459** byte 0,1 : length 460** byte 2 : command code 0x42 461** byte 3 : device# to be deleted 462** GUI_IDENTIFY_DEVICE : Identify Device 463** byte 0,1 : length 464** byte 2 : command code 0x43 465** byte 3 : Flash Method 466** (0:flash selected, 1:flash not selected) 467** byte 4/5/6/7 : IDE device mask to be flashed 468** note .... no response data available 469** GUI_CREATE_RAIDSET : Create Raid Set 470** byte 0,1 : length 471** byte 2 : command code 0x50 472** byte 3/4/5/6 : device mask 473** byte 7-22 : raidset name (if byte 7 == 0:use default) 474** GUI_DELETE_RAIDSET : Delete Raid Set 475** byte 0,1 : length 476** byte 2 : command code 0x51 477** byte 3 : raidset# 478** GUI_EXPAND_RAIDSET : Expand Raid Set 479** byte 0,1 : length 480** byte 2 : command code 0x52 481** byte 3 : raidset# 482** byte 4/5/6/7 : device mask for expansion 483** byte 8/9/10 : (8:0 no change, 1 change, 0xff:terminate, 484** 9:new raid level, 485** 10:new stripe size 486** 0/1/2/3/4/5->4/8/16/32/64/128K ) 487** byte 11/12/13 : repeat for each volume in the raidset 488** GUI_ACTIVATE_RAIDSET : Activate incomplete raid set 489** byte 0,1 : length 490** byte 2 : command code 0x53 491** byte 3 : raidset# 492** GUI_CREATE_HOT_SPARE : Create hot spare disk 493** byte 0,1 : length 494** byte 2 : command code 0x54 495** byte 3/4/5/6 : device mask for hot spare creation 496** GUI_DELETE_HOT_SPARE : Delete hot spare disk 497** byte 0,1 : length 498** byte 2 : command code 0x55 499** byte 3/4/5/6 : device mask for hot spare deletion 500** GUI_CREATE_VOLUME : Create volume set 501** byte 0,1 : length 502** byte 2 : command code 0x60 503** byte 3 : raidset# 504** byte 4-19 : volume set name 505** (if byte4 == 0, use default) 506** byte 20-27 : volume capacity (blocks) 507** byte 28 : raid level 508** byte 29 : stripe size 509** (0/1/2/3/4/5->4/8/16/32/64/128K) 510** byte 30 : channel 511** byte 31 : ID 512** byte 32 : LUN 513** byte 33 : 1 enable tag 514** byte 34 : 1 enable cache 515** byte 35 : speed 516** (0/1/2/3/4->async/20/40/80/160 for scsi) 517** (0/1/2/3/4->33/66/100/133/150 for IDE ) 518** byte 36 : 1 to select quick init 519** 520** GUI_MODIFY_VOLUME : Modify volume Set 521** byte 0,1 : length 522** byte 2 : command code 0x61 523** byte 3 : volumeset# 524** byte 4-19 : new volume set name 525** (if byte4 == 0, not change) 526** byte 20-27 : new volume capacity (reserved) 527** byte 28 : new raid level 528** byte 29 : new stripe size 529** (0/1/2/3/4/5->4/8/16/32/64/128K) 530** byte 30 : new channel 531** byte 31 : new ID 532** byte 32 : new LUN 533** byte 33 : 1 enable tag 534** byte 34 : 1 enable cache 535** byte 35 : speed 536** (0/1/2/3/4->async/20/40/80/160 for scsi) 537** (0/1/2/3/4->33/66/100/133/150 for IDE ) 538** GUI_DELETE_VOLUME : Delete volume set 539** byte 0,1 : length 540** byte 2 : command code 0x62 541** byte 3 : volumeset# 542** GUI_START_CHECK_VOLUME : Start volume consistency check 543** byte 0,1 : length 544** byte 2 : command code 0x63 545** byte 3 : volumeset# 546** GUI_STOP_CHECK_VOLUME : Stop volume consistency check 547** byte 0,1 : length 548** byte 2 : command code 0x64 549** --------------------------------------------------------------------- 550** 4. Returned data 551** --------------------------------------------------------------------- 552** (A) Header : 3 bytes sequence (0x5E, 0x01, 0x61) 553** (B) Length : 2 bytes 554** (low byte 1st, excludes length and checksum byte) 555** (C) status or data : 556** <1> If length == 1 ==> 1 byte status code 557** #define GUI_OK 0x41 558** #define GUI_RAIDSET_NOT_NORMAL 0x42 559** #define GUI_VOLUMESET_NOT_NORMAL 0x43 560** #define GUI_NO_RAIDSET 0x44 561** #define GUI_NO_VOLUMESET 0x45 562** #define GUI_NO_PHYSICAL_DRIVE 0x46 563** #define GUI_PARAMETER_ERROR 0x47 564** #define GUI_UNSUPPORTED_COMMAND 0x48 565** #define GUI_DISK_CONFIG_CHANGED 0x49 566** #define GUI_INVALID_PASSWORD 0x4a 567** #define GUI_NO_DISK_SPACE 0x4b 568** #define GUI_CHECKSUM_ERROR 0x4c 569** #define GUI_PASSWORD_REQUIRED 0x4d 570** <2> If length > 1 ==> 571** data block returned from controller 572** and the contents depends on the command code 573** (E) Checksum : checksum of length and status or data byte 574************************************************************************** 575
