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1da177e4 LT |
1 | #ifndef CCISS_CMD_H |
2 | #define CCISS_CMD_H | |
3 | //########################################################################### | |
4 | //DEFINES | |
5 | //########################################################################### | |
6 | #define CISS_VERSION "1.00" | |
7 | ||
6070d81e | 8 | //general boundary definitions |
1da177e4 | 9 | #define SENSEINFOBYTES 32//note that this value may vary between host implementations |
5c07a311 DB |
10 | #define MAXSGENTRIES 32 |
11 | #define CCISS_SG_CHAIN 0x80000000 | |
1da177e4 LT |
12 | #define MAXREPLYQS 256 |
13 | ||
14 | //Command Status value | |
15 | #define CMD_SUCCESS 0x0000 | |
16 | #define CMD_TARGET_STATUS 0x0001 | |
17 | #define CMD_DATA_UNDERRUN 0x0002 | |
18 | #define CMD_DATA_OVERRUN 0x0003 | |
19 | #define CMD_INVALID 0x0004 | |
20 | #define CMD_PROTOCOL_ERR 0x0005 | |
21 | #define CMD_HARDWARE_ERR 0x0006 | |
22 | #define CMD_CONNECTION_LOST 0x0007 | |
23 | #define CMD_ABORTED 0x0008 | |
24 | #define CMD_ABORT_FAILED 0x0009 | |
25 | #define CMD_UNSOLICITED_ABORT 0x000A | |
26 | #define CMD_TIMEOUT 0x000B | |
27 | #define CMD_UNABORTABLE 0x000C | |
28 | ||
0a9279cc MM |
29 | /* Unit Attentions ASC's as defined for the MSA2012sa */ |
30 | #define POWER_OR_RESET 0x29 | |
31 | #define STATE_CHANGED 0x2a | |
32 | #define UNIT_ATTENTION_CLEARED 0x2f | |
33 | #define LUN_FAILED 0x3e | |
34 | #define REPORT_LUNS_CHANGED 0x3f | |
35 | ||
36 | /* Unit Attentions ASCQ's as defined for the MSA2012sa */ | |
37 | ||
38 | /* These ASCQ's defined for ASC = POWER_OR_RESET */ | |
39 | #define POWER_ON_RESET 0x00 | |
40 | #define POWER_ON_REBOOT 0x01 | |
41 | #define SCSI_BUS_RESET 0x02 | |
42 | #define MSA_TARGET_RESET 0x03 | |
43 | #define CONTROLLER_FAILOVER 0x04 | |
44 | #define TRANSCEIVER_SE 0x05 | |
45 | #define TRANSCEIVER_LVD 0x06 | |
46 | ||
47 | /* These ASCQ's defined for ASC = STATE_CHANGED */ | |
48 | #define RESERVATION_PREEMPTED 0x03 | |
49 | #define ASYM_ACCESS_CHANGED 0x06 | |
50 | #define LUN_CAPACITY_CHANGED 0x09 | |
51 | ||
1da177e4 LT |
52 | //transfer direction |
53 | #define XFER_NONE 0x00 | |
54 | #define XFER_WRITE 0x01 | |
55 | #define XFER_READ 0x02 | |
56 | #define XFER_RSVD 0x03 | |
57 | ||
58 | //task attribute | |
59 | #define ATTR_UNTAGGED 0x00 | |
60 | #define ATTR_SIMPLE 0x04 | |
61 | #define ATTR_HEADOFQUEUE 0x05 | |
62 | #define ATTR_ORDERED 0x06 | |
63 | #define ATTR_ACA 0x07 | |
64 | ||
65 | //cdb type | |
66 | #define TYPE_CMD 0x00 | |
67 | #define TYPE_MSG 0x01 | |
68 | ||
69 | //config space register offsets | |
70 | #define CFG_VENDORID 0x00 | |
71 | #define CFG_DEVICEID 0x02 | |
72 | #define CFG_I2OBAR 0x10 | |
73 | #define CFG_MEM1BAR 0x14 | |
74 | ||
75 | //i2o space register offsets | |
76 | #define I2O_IBDB_SET 0x20 | |
77 | #define I2O_IBDB_CLEAR 0x70 | |
78 | #define I2O_INT_STATUS 0x30 | |
79 | #define I2O_INT_MASK 0x34 | |
80 | #define I2O_IBPOST_Q 0x40 | |
81 | #define I2O_OBPOST_Q 0x44 | |
f92e2f5f | 82 | #define I2O_DMA1_CFG 0x214 |
1da177e4 LT |
83 | |
84 | //Configuration Table | |
85 | #define CFGTBL_ChangeReq 0x00000001l | |
86 | #define CFGTBL_AccCmds 0x00000001l | |
87 | ||
88 | #define CFGTBL_Trans_Simple 0x00000002l | |
89 | ||
90 | #define CFGTBL_BusType_Ultra2 0x00000001l | |
91 | #define CFGTBL_BusType_Ultra3 0x00000002l | |
92 | #define CFGTBL_BusType_Fibre1G 0x00000100l | |
93 | #define CFGTBL_BusType_Fibre2G 0x00000200l | |
94 | typedef struct _vals32 | |
95 | { | |
96 | __u32 lower; | |
97 | __u32 upper; | |
98 | } vals32; | |
99 | ||
100 | typedef union _u64bit | |
101 | { | |
102 | vals32 val32; | |
103 | __u64 val; | |
104 | } u64bit; | |
105 | ||
106 | // Type defs used in the following structs | |
107 | #define BYTE __u8 | |
108 | #define WORD __u16 | |
109 | #define HWORD __u16 | |
110 | #define DWORD __u32 | |
111 | #define QWORD vals32 | |
112 | ||
113 | //########################################################################### | |
114 | //STRUCTURES | |
115 | //########################################################################### | |
799202cb | 116 | #define CISS_MAX_LUN 1024 |
1da177e4 LT |
117 | #define CISS_MAX_PHYS_LUN 1024 |
118 | // SCSI-3 Cmmands | |
119 | ||
120 | #pragma pack(1) | |
121 | ||
122 | #define CISS_INQUIRY 0x12 | |
123 | //Date returned | |
124 | typedef struct _InquiryData_struct | |
125 | { | |
126 | BYTE data_byte[36]; | |
127 | } InquiryData_struct; | |
128 | ||
129 | #define CISS_REPORT_LOG 0xc2 /* Report Logical LUNs */ | |
130 | #define CISS_REPORT_PHYS 0xc3 /* Report Physical LUNs */ | |
131 | // Data returned | |
132 | typedef struct _ReportLUNdata_struct | |
133 | { | |
134 | BYTE LUNListLength[4]; | |
135 | DWORD reserved; | |
136 | BYTE LUN[CISS_MAX_LUN][8]; | |
137 | } ReportLunData_struct; | |
138 | ||
139 | #define CCISS_READ_CAPACITY 0x25 /* Read Capacity */ | |
140 | typedef struct _ReadCapdata_struct | |
141 | { | |
142 | BYTE total_size[4]; // Total size in blocks | |
143 | BYTE block_size[4]; // Size of blocks in bytes | |
144 | } ReadCapdata_struct; | |
145 | ||
00988a35 MMOD |
146 | #define CCISS_READ_CAPACITY_16 0x9e /* Read Capacity 16 */ |
147 | ||
148 | /* service action to differentiate a 16 byte read capacity from | |
149 | other commands that use the 0x9e SCSI op code */ | |
150 | ||
151 | #define CCISS_READ_CAPACITY_16_SERVICE_ACT 0x10 | |
152 | ||
153 | typedef struct _ReadCapdata_struct_16 | |
154 | { | |
155 | BYTE total_size[8]; /* Total size in blocks */ | |
156 | BYTE block_size[4]; /* Size of blocks in bytes */ | |
157 | BYTE prot_en:1; /* protection enable bit */ | |
158 | BYTE rto_en:1; /* reference tag own enable bit */ | |
159 | BYTE reserved:6; /* reserved bits */ | |
160 | BYTE reserved2[18]; /* reserved bytes per spec */ | |
161 | } ReadCapdata_struct_16; | |
162 | ||
163 | /* Define the supported read/write commands for cciss based controllers */ | |
164 | ||
165 | #define CCISS_READ_10 0x28 /* Read(10) */ | |
166 | #define CCISS_WRITE_10 0x2a /* Write(10) */ | |
167 | #define CCISS_READ_16 0x88 /* Read(16) */ | |
168 | #define CCISS_WRITE_16 0x8a /* Write(16) */ | |
169 | ||
170 | /* Define the CDB lengths supported by cciss based controllers */ | |
171 | ||
172 | #define CDB_LEN10 10 | |
173 | #define CDB_LEN16 16 | |
1da177e4 LT |
174 | |
175 | // BMIC commands | |
176 | #define BMIC_READ 0x26 | |
177 | #define BMIC_WRITE 0x27 | |
178 | #define BMIC_CACHE_FLUSH 0xc2 | |
179 | #define CCISS_CACHE_FLUSH 0x01 //C2 was already being used by CCISS | |
180 | ||
181 | //Command List Structure | |
182 | typedef union _SCSI3Addr_struct { | |
183 | struct { | |
184 | BYTE Dev; | |
185 | BYTE Bus:6; | |
186 | BYTE Mode:2; // b00 | |
187 | } PeripDev; | |
188 | struct { | |
189 | BYTE DevLSB; | |
190 | BYTE DevMSB:6; | |
191 | BYTE Mode:2; // b01 | |
192 | } LogDev; | |
193 | struct { | |
194 | BYTE Dev:5; | |
195 | BYTE Bus:3; | |
196 | BYTE Targ:6; | |
197 | BYTE Mode:2; // b10 | |
198 | } LogUnit; | |
199 | } SCSI3Addr_struct; | |
200 | ||
201 | typedef struct _PhysDevAddr_struct { | |
202 | DWORD TargetId:24; | |
203 | DWORD Bus:6; | |
204 | DWORD Mode:2; | |
205 | SCSI3Addr_struct Target[2]; //2 level target device addr | |
206 | } PhysDevAddr_struct; | |
207 | ||
208 | typedef struct _LogDevAddr_struct { | |
209 | DWORD VolId:30; | |
210 | DWORD Mode:2; | |
211 | BYTE reserved[4]; | |
212 | } LogDevAddr_struct; | |
213 | ||
214 | typedef union _LUNAddr_struct { | |
215 | BYTE LunAddrBytes[8]; | |
216 | SCSI3Addr_struct SCSI3Lun[4]; | |
217 | PhysDevAddr_struct PhysDev; | |
218 | LogDevAddr_struct LogDev; | |
219 | } LUNAddr_struct; | |
220 | ||
b57695fe | 221 | #define CTLR_LUNID "\0\0\0\0\0\0\0\0" |
222 | ||
1da177e4 LT |
223 | typedef struct _CommandListHeader_struct { |
224 | BYTE ReplyQueue; | |
225 | BYTE SGList; | |
226 | HWORD SGTotal; | |
227 | QWORD Tag; | |
228 | LUNAddr_struct LUN; | |
229 | } CommandListHeader_struct; | |
230 | typedef struct _RequestBlock_struct { | |
231 | BYTE CDBLen; | |
232 | struct { | |
233 | BYTE Type:3; | |
234 | BYTE Attribute:3; | |
235 | BYTE Direction:2; | |
236 | } Type; | |
237 | HWORD Timeout; | |
238 | BYTE CDB[16]; | |
239 | } RequestBlock_struct; | |
240 | typedef struct _ErrDescriptor_struct { | |
241 | QWORD Addr; | |
242 | DWORD Len; | |
243 | } ErrDescriptor_struct; | |
244 | typedef struct _SGDescriptor_struct { | |
245 | QWORD Addr; | |
246 | DWORD Len; | |
247 | DWORD Ext; | |
248 | } SGDescriptor_struct; | |
249 | ||
250 | typedef union _MoreErrInfo_struct{ | |
251 | struct { | |
252 | BYTE Reserved[3]; | |
253 | BYTE Type; | |
254 | DWORD ErrorInfo; | |
255 | }Common_Info; | |
256 | struct{ | |
257 | BYTE Reserved[2]; | |
258 | BYTE offense_size;//size of offending entry | |
259 | BYTE offense_num; //byte # of offense 0-base | |
260 | DWORD offense_value; | |
261 | }Invalid_Cmd; | |
262 | }MoreErrInfo_struct; | |
263 | typedef struct _ErrorInfo_struct { | |
264 | BYTE ScsiStatus; | |
265 | BYTE SenseLen; | |
266 | HWORD CommandStatus; | |
267 | DWORD ResidualCnt; | |
268 | MoreErrInfo_struct MoreErrInfo; | |
269 | BYTE SenseInfo[SENSEINFOBYTES]; | |
270 | } ErrorInfo_struct; | |
271 | ||
272 | /* Command types */ | |
273 | #define CMD_RWREQ 0x00 | |
274 | #define CMD_IOCTL_PEND 0x01 | |
275 | #define CMD_SCSI 0x03 | |
276 | #define CMD_MSG_DONE 0x04 | |
277 | #define CMD_MSG_TIMEOUT 0x05 | |
b59e64d0 | 278 | #define CMD_MSG_STALE 0xff |
1da177e4 | 279 | |
33079b21 MM |
280 | /* This structure needs to be divisible by 8 for new |
281 | * indexing method. | |
282 | */ | |
283 | #define PADSIZE (sizeof(long) - 4) | |
1da177e4 LT |
284 | typedef struct _CommandList_struct { |
285 | CommandListHeader_struct Header; | |
286 | RequestBlock_struct Request; | |
287 | ErrDescriptor_struct ErrDesc; | |
288 | SGDescriptor_struct SG[MAXSGENTRIES]; | |
289 | /* information associated with the command */ | |
290 | __u32 busaddr; /* physical address of this record */ | |
291 | ErrorInfo_struct * err_info; /* pointer to the allocated mem */ | |
292 | int ctlr; | |
293 | int cmd_type; | |
33079b21 | 294 | long cmdindex; |
8a3173de | 295 | struct hlist_node list; |
1da177e4 LT |
296 | struct request * rq; |
297 | struct completion *waiting; | |
298 | int retry_count; | |
1da177e4 | 299 | void * scsi_cmd; |
33079b21 | 300 | char pad[PADSIZE]; |
1da177e4 LT |
301 | } CommandList_struct; |
302 | ||
303 | //Configuration Table Structure | |
304 | typedef struct _HostWrite_struct { | |
305 | DWORD TransportRequest; | |
306 | DWORD Reserved; | |
307 | DWORD CoalIntDelay; | |
308 | DWORD CoalIntCount; | |
309 | } HostWrite_struct; | |
310 | ||
311 | typedef struct _CfgTable_struct { | |
312 | BYTE Signature[4]; | |
313 | DWORD SpecValence; | |
314 | DWORD TransportSupport; | |
315 | DWORD TransportActive; | |
316 | HostWrite_struct HostWrite; | |
317 | DWORD CmdsOutMax; | |
318 | DWORD BusTypes; | |
319 | DWORD Reserved; | |
320 | BYTE ServerName[16]; | |
321 | DWORD HeartBeat; | |
322 | DWORD SCSI_Prefetch; | |
5c07a311 DB |
323 | DWORD MaxSGElements; |
324 | DWORD MaxLogicalUnits; | |
325 | DWORD MaxPhysicalDrives; | |
326 | DWORD MaxPhysicalDrivesPerLogicalUnit; | |
1da177e4 LT |
327 | } CfgTable_struct; |
328 | #pragma pack() | |
329 | #endif // CCISS_CMD_H |