Commit | Line | Data |
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1da177e4 LT |
1 | #ifndef CCISS_CMD_H |
2 | #define CCISS_CMD_H | |
429c42c9 | 3 | |
4 | #include <linux/cciss_defs.h> | |
5 | ||
b028461d | 6 | /* DEFINES */ |
1da177e4 LT |
7 | #define CISS_VERSION "1.00" |
8 | ||
b028461d | 9 | /* general boundary definitions */ |
5c07a311 DB |
10 | #define MAXSGENTRIES 32 |
11 | #define CCISS_SG_CHAIN 0x80000000 | |
1da177e4 LT |
12 | #define MAXREPLYQS 256 |
13 | ||
0a9279cc MM |
14 | /* Unit Attentions ASC's as defined for the MSA2012sa */ |
15 | #define POWER_OR_RESET 0x29 | |
16 | #define STATE_CHANGED 0x2a | |
17 | #define UNIT_ATTENTION_CLEARED 0x2f | |
18 | #define LUN_FAILED 0x3e | |
19 | #define REPORT_LUNS_CHANGED 0x3f | |
20 | ||
21 | /* Unit Attentions ASCQ's as defined for the MSA2012sa */ | |
22 | ||
23 | /* These ASCQ's defined for ASC = POWER_OR_RESET */ | |
24 | #define POWER_ON_RESET 0x00 | |
25 | #define POWER_ON_REBOOT 0x01 | |
26 | #define SCSI_BUS_RESET 0x02 | |
27 | #define MSA_TARGET_RESET 0x03 | |
28 | #define CONTROLLER_FAILOVER 0x04 | |
29 | #define TRANSCEIVER_SE 0x05 | |
30 | #define TRANSCEIVER_LVD 0x06 | |
31 | ||
32 | /* These ASCQ's defined for ASC = STATE_CHANGED */ | |
33 | #define RESERVATION_PREEMPTED 0x03 | |
34 | #define ASYM_ACCESS_CHANGED 0x06 | |
35 | #define LUN_CAPACITY_CHANGED 0x09 | |
36 | ||
b028461d | 37 | /* config space register offsets */ |
1da177e4 LT |
38 | #define CFG_VENDORID 0x00 |
39 | #define CFG_DEVICEID 0x02 | |
40 | #define CFG_I2OBAR 0x10 | |
41 | #define CFG_MEM1BAR 0x14 | |
42 | ||
b028461d | 43 | /* i2o space register offsets */ |
1da177e4 LT |
44 | #define I2O_IBDB_SET 0x20 |
45 | #define I2O_IBDB_CLEAR 0x70 | |
46 | #define I2O_INT_STATUS 0x30 | |
47 | #define I2O_INT_MASK 0x34 | |
48 | #define I2O_IBPOST_Q 0x40 | |
49 | #define I2O_OBPOST_Q 0x44 | |
f92e2f5f | 50 | #define I2O_DMA1_CFG 0x214 |
1da177e4 | 51 | |
b028461d | 52 | /* Configuration Table */ |
1da177e4 LT |
53 | #define CFGTBL_ChangeReq 0x00000001l |
54 | #define CFGTBL_AccCmds 0x00000001l | |
a6528d01 | 55 | #define DOORBELL_CTLR_RESET 0x00000004l |
bf2e2e6b | 56 | #define DOORBELL_CTLR_RESET2 0x00000020l |
1da177e4 LT |
57 | |
58 | #define CFGTBL_Trans_Simple 0x00000002l | |
5e216153 | 59 | #define CFGTBL_Trans_Performant 0x00000004l |
0498cc2a | 60 | #define CFGTBL_Trans_use_short_tags 0x20000000l |
1da177e4 LT |
61 | |
62 | #define CFGTBL_BusType_Ultra2 0x00000001l | |
63 | #define CFGTBL_BusType_Ultra3 0x00000002l | |
64 | #define CFGTBL_BusType_Fibre1G 0x00000100l | |
65 | #define CFGTBL_BusType_Fibre2G 0x00000200l | |
66 | typedef struct _vals32 | |
67 | { | |
68 | __u32 lower; | |
69 | __u32 upper; | |
70 | } vals32; | |
71 | ||
72 | typedef union _u64bit | |
73 | { | |
74 | vals32 val32; | |
75 | __u64 val; | |
76 | } u64bit; | |
77 | ||
b028461d | 78 | /* Type defs used in the following structs */ |
1da177e4 LT |
79 | #define QWORD vals32 |
80 | ||
b028461d | 81 | /* STRUCTURES */ |
1da177e4 | 82 | #define CISS_MAX_PHYS_LUN 1024 |
b028461d | 83 | /* SCSI-3 Cmmands */ |
1da177e4 LT |
84 | |
85 | #pragma pack(1) | |
86 | ||
87 | #define CISS_INQUIRY 0x12 | |
b028461d | 88 | /* Date returned */ |
1da177e4 LT |
89 | typedef struct _InquiryData_struct |
90 | { | |
91 | BYTE data_byte[36]; | |
92 | } InquiryData_struct; | |
93 | ||
94 | #define CISS_REPORT_LOG 0xc2 /* Report Logical LUNs */ | |
95 | #define CISS_REPORT_PHYS 0xc3 /* Report Physical LUNs */ | |
b028461d | 96 | /* Data returned */ |
1da177e4 LT |
97 | typedef struct _ReportLUNdata_struct |
98 | { | |
99 | BYTE LUNListLength[4]; | |
100 | DWORD reserved; | |
101 | BYTE LUN[CISS_MAX_LUN][8]; | |
102 | } ReportLunData_struct; | |
103 | ||
104 | #define CCISS_READ_CAPACITY 0x25 /* Read Capacity */ | |
105 | typedef struct _ReadCapdata_struct | |
106 | { | |
b028461d | 107 | BYTE total_size[4]; /* Total size in blocks */ |
108 | BYTE block_size[4]; /* Size of blocks in bytes */ | |
1da177e4 LT |
109 | } ReadCapdata_struct; |
110 | ||
00988a35 MMOD |
111 | #define CCISS_READ_CAPACITY_16 0x9e /* Read Capacity 16 */ |
112 | ||
113 | /* service action to differentiate a 16 byte read capacity from | |
114 | other commands that use the 0x9e SCSI op code */ | |
115 | ||
116 | #define CCISS_READ_CAPACITY_16_SERVICE_ACT 0x10 | |
117 | ||
118 | typedef struct _ReadCapdata_struct_16 | |
119 | { | |
120 | BYTE total_size[8]; /* Total size in blocks */ | |
121 | BYTE block_size[4]; /* Size of blocks in bytes */ | |
122 | BYTE prot_en:1; /* protection enable bit */ | |
123 | BYTE rto_en:1; /* reference tag own enable bit */ | |
124 | BYTE reserved:6; /* reserved bits */ | |
125 | BYTE reserved2[18]; /* reserved bytes per spec */ | |
126 | } ReadCapdata_struct_16; | |
127 | ||
128 | /* Define the supported read/write commands for cciss based controllers */ | |
129 | ||
130 | #define CCISS_READ_10 0x28 /* Read(10) */ | |
131 | #define CCISS_WRITE_10 0x2a /* Write(10) */ | |
132 | #define CCISS_READ_16 0x88 /* Read(16) */ | |
133 | #define CCISS_WRITE_16 0x8a /* Write(16) */ | |
134 | ||
135 | /* Define the CDB lengths supported by cciss based controllers */ | |
136 | ||
137 | #define CDB_LEN10 10 | |
138 | #define CDB_LEN16 16 | |
1da177e4 | 139 | |
b028461d | 140 | /* BMIC commands */ |
1da177e4 LT |
141 | #define BMIC_READ 0x26 |
142 | #define BMIC_WRITE 0x27 | |
143 | #define BMIC_CACHE_FLUSH 0xc2 | |
b028461d | 144 | #define CCISS_CACHE_FLUSH 0x01 /* C2 was already being used by CCISS */ |
1da177e4 | 145 | |
8f71bb82 SC |
146 | #define CCISS_ABORT_MSG 0x00 |
147 | #define CCISS_RESET_MSG 0x01 | |
148 | #define CCISS_RESET_TYPE_CONTROLLER 0x00 | |
149 | #define CCISS_RESET_TYPE_BUS 0x01 | |
150 | #define CCISS_RESET_TYPE_TARGET 0x03 | |
151 | #define CCISS_RESET_TYPE_LUN 0x04 | |
152 | #define CCISS_NOOP_MSG 0x03 | |
153 | ||
b028461d | 154 | /* Command List Structure */ |
b57695fe | 155 | #define CTLR_LUNID "\0\0\0\0\0\0\0\0" |
156 | ||
1da177e4 LT |
157 | typedef struct _CommandListHeader_struct { |
158 | BYTE ReplyQueue; | |
159 | BYTE SGList; | |
160 | HWORD SGTotal; | |
161 | QWORD Tag; | |
162 | LUNAddr_struct LUN; | |
163 | } CommandListHeader_struct; | |
1da177e4 LT |
164 | typedef struct _ErrDescriptor_struct { |
165 | QWORD Addr; | |
166 | DWORD Len; | |
167 | } ErrDescriptor_struct; | |
168 | typedef struct _SGDescriptor_struct { | |
169 | QWORD Addr; | |
170 | DWORD Len; | |
171 | DWORD Ext; | |
172 | } SGDescriptor_struct; | |
173 | ||
1da177e4 LT |
174 | /* Command types */ |
175 | #define CMD_RWREQ 0x00 | |
176 | #define CMD_IOCTL_PEND 0x01 | |
177 | #define CMD_SCSI 0x03 | |
178 | #define CMD_MSG_DONE 0x04 | |
179 | #define CMD_MSG_TIMEOUT 0x05 | |
b59e64d0 | 180 | #define CMD_MSG_STALE 0xff |
1da177e4 | 181 | |
1b7d0d28 SC |
182 | /* This structure needs to be divisible by COMMANDLIST_ALIGNMENT |
183 | * because low bits of the address are used to to indicate that | |
184 | * whether the tag contains an index or an address. PAD_32 and | |
185 | * PAD_64 can be adjusted independently as needed for 32-bit | |
186 | * and 64-bits systems. | |
33079b21 | 187 | */ |
5e216153 | 188 | #define COMMANDLIST_ALIGNMENT (32) |
58daa9ce SC |
189 | #define IS_64_BIT ((sizeof(long) - 4)/4) |
190 | #define IS_32_BIT (!IS_64_BIT) | |
f3bcb143 | 191 | #define PAD_32 (0) |
58daa9ce SC |
192 | #define PAD_64 (4) |
193 | #define PADSIZE (IS_32_BIT * PAD_32 + IS_64_BIT * PAD_64) | |
5e216153 MM |
194 | #define DIRECT_LOOKUP_BIT 0x10 |
195 | #define DIRECT_LOOKUP_SHIFT 5 | |
196 | ||
1da177e4 LT |
197 | typedef struct _CommandList_struct { |
198 | CommandListHeader_struct Header; | |
199 | RequestBlock_struct Request; | |
200 | ErrDescriptor_struct ErrDesc; | |
201 | SGDescriptor_struct SG[MAXSGENTRIES]; | |
202 | /* information associated with the command */ | |
203 | __u32 busaddr; /* physical address of this record */ | |
204 | ErrorInfo_struct * err_info; /* pointer to the allocated mem */ | |
205 | int ctlr; | |
206 | int cmd_type; | |
33079b21 | 207 | long cmdindex; |
e6e1ee93 | 208 | struct list_head list; |
1da177e4 LT |
209 | struct request * rq; |
210 | struct completion *waiting; | |
211 | int retry_count; | |
1da177e4 | 212 | void * scsi_cmd; |
5e216153 | 213 | char pad[PADSIZE]; |
1da177e4 LT |
214 | } CommandList_struct; |
215 | ||
b028461d | 216 | /* Configuration Table Structure */ |
1da177e4 LT |
217 | typedef struct _HostWrite_struct { |
218 | DWORD TransportRequest; | |
219 | DWORD Reserved; | |
220 | DWORD CoalIntDelay; | |
221 | DWORD CoalIntCount; | |
222 | } HostWrite_struct; | |
223 | ||
224 | typedef struct _CfgTable_struct { | |
225 | BYTE Signature[4]; | |
226 | DWORD SpecValence; | |
5e216153 MM |
227 | #define SIMPLE_MODE 0x02 |
228 | #define PERFORMANT_MODE 0x04 | |
229 | #define MEMQ_MODE 0x08 | |
1da177e4 LT |
230 | DWORD TransportSupport; |
231 | DWORD TransportActive; | |
232 | HostWrite_struct HostWrite; | |
233 | DWORD CmdsOutMax; | |
234 | DWORD BusTypes; | |
5e216153 | 235 | DWORD TransMethodOffset; |
1da177e4 LT |
236 | BYTE ServerName[16]; |
237 | DWORD HeartBeat; | |
238 | DWORD SCSI_Prefetch; | |
5c07a311 DB |
239 | DWORD MaxSGElements; |
240 | DWORD MaxLogicalUnits; | |
241 | DWORD MaxPhysicalDrives; | |
242 | DWORD MaxPhysicalDrivesPerLogicalUnit; | |
5e216153 | 243 | DWORD MaxPerformantModeCommands; |
a6528d01 SC |
244 | u8 reserved[0x78 - 0x58]; |
245 | u32 misc_fw_support; /* offset 0x78 */ | |
246 | #define MISC_FW_DOORBELL_RESET (0x02) | |
bf2e2e6b | 247 | #define MISC_FW_DOORBELL_RESET2 (0x10) |
62710ae1 | 248 | u8 driver_version[32]; |
1da177e4 | 249 | } CfgTable_struct; |
5e216153 MM |
250 | |
251 | struct TransTable_struct { | |
252 | u32 BlockFetch0; | |
253 | u32 BlockFetch1; | |
254 | u32 BlockFetch2; | |
255 | u32 BlockFetch3; | |
256 | u32 BlockFetch4; | |
257 | u32 BlockFetch5; | |
258 | u32 BlockFetch6; | |
259 | u32 BlockFetch7; | |
260 | u32 RepQSize; | |
261 | u32 RepQCount; | |
262 | u32 RepQCtrAddrLow32; | |
263 | u32 RepQCtrAddrHigh32; | |
264 | u32 RepQAddr0Low32; | |
265 | u32 RepQAddr0High32; | |
266 | }; | |
267 | ||
1da177e4 | 268 | #pragma pack() |
b028461d | 269 | #endif /* CCISS_CMD_H */ |