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Based on kernel version 3.9. Page generated on 2013-05-02 23:13 EST.

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	**************************************************************************
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