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authorErich Chen <erich@areca.com.tw>2006-07-12 11:59:32 -0400
committerJames Bottomley <jejb@mulgrave.il.steeleye.com>2006-07-28 15:13:40 -0400
commit1c57e86d75cf162bdadb3a5fe0cd3f65aa1a9ca3 (patch)
tree166f691c186d6e663218559c4762299063f63657 /Documentation/scsi/arcmsr_spec.txt
parent0c269e6d3c615403a6e0acbe6e88f1c0da9c2396 (diff)
[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 <rdunlap@xenotime.net> Christoph Hellwig <hch@lst.de> Matthew Wilcox <matthew@wil.cx> Adrian Bunk <bunk@stusta.de> Signed-off-by: Erich Chen <erich@areca.com.tw> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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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 retrun 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**************************************************************************
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