Commit | Line | Data |
---|---|---|
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 |
1da177e4 LT |
56 | |
57 | #define CFGTBL_Trans_Simple 0x00000002l | |
5e216153 | 58 | #define CFGTBL_Trans_Performant 0x00000004l |
0498cc2a | 59 | #define CFGTBL_Trans_use_short_tags 0x20000000l |
1da177e4 LT |
60 | |
61 | #define CFGTBL_BusType_Ultra2 0x00000001l | |
62 | #define CFGTBL_BusType_Ultra3 0x00000002l | |
63 | #define CFGTBL_BusType_Fibre1G 0x00000100l | |
64 | #define CFGTBL_BusType_Fibre2G 0x00000200l | |
65 | typedef struct _vals32 | |
66 | { | |
67 | __u32 lower; | |
68 | __u32 upper; | |
69 | } vals32; | |
70 | ||
71 | typedef union _u64bit | |
72 | { | |
73 | vals32 val32; | |
74 | __u64 val; | |
75 | } u64bit; | |
76 | ||
b028461d | 77 | /* Type defs used in the following structs */ |
1da177e4 LT |
78 | #define QWORD vals32 |
79 | ||
b028461d | 80 | /* STRUCTURES */ |
1da177e4 | 81 | #define CISS_MAX_PHYS_LUN 1024 |
b028461d | 82 | /* SCSI-3 Cmmands */ |
1da177e4 LT |
83 | |
84 | #pragma pack(1) | |
85 | ||
86 | #define CISS_INQUIRY 0x12 | |
b028461d | 87 | /* Date returned */ |
1da177e4 LT |
88 | typedef struct _InquiryData_struct |
89 | { | |
90 | BYTE data_byte[36]; | |
91 | } InquiryData_struct; | |
92 | ||
93 | #define CISS_REPORT_LOG 0xc2 /* Report Logical LUNs */ | |
94 | #define CISS_REPORT_PHYS 0xc3 /* Report Physical LUNs */ | |
b028461d | 95 | /* Data returned */ |
1da177e4 LT |
96 | typedef struct _ReportLUNdata_struct |
97 | { | |
98 | BYTE LUNListLength[4]; | |
99 | DWORD reserved; | |
100 | BYTE LUN[CISS_MAX_LUN][8]; | |
101 | } ReportLunData_struct; | |
102 | ||
103 | #define CCISS_READ_CAPACITY 0x25 /* Read Capacity */ | |
104 | typedef struct _ReadCapdata_struct | |
105 | { | |
b028461d | 106 | BYTE total_size[4]; /* Total size in blocks */ |
107 | BYTE block_size[4]; /* Size of blocks in bytes */ | |
1da177e4 LT |
108 | } ReadCapdata_struct; |
109 | ||
00988a35 MMOD |
110 | #define CCISS_READ_CAPACITY_16 0x9e /* Read Capacity 16 */ |
111 | ||
112 | /* service action to differentiate a 16 byte read capacity from | |
113 | other commands that use the 0x9e SCSI op code */ | |
114 | ||
115 | #define CCISS_READ_CAPACITY_16_SERVICE_ACT 0x10 | |
116 | ||
117 | typedef struct _ReadCapdata_struct_16 | |
118 | { | |
119 | BYTE total_size[8]; /* Total size in blocks */ | |
120 | BYTE block_size[4]; /* Size of blocks in bytes */ | |
121 | BYTE prot_en:1; /* protection enable bit */ | |
122 | BYTE rto_en:1; /* reference tag own enable bit */ | |
123 | BYTE reserved:6; /* reserved bits */ | |
124 | BYTE reserved2[18]; /* reserved bytes per spec */ | |
125 | } ReadCapdata_struct_16; | |
126 | ||
127 | /* Define the supported read/write commands for cciss based controllers */ | |
128 | ||
129 | #define CCISS_READ_10 0x28 /* Read(10) */ | |
130 | #define CCISS_WRITE_10 0x2a /* Write(10) */ | |
131 | #define CCISS_READ_16 0x88 /* Read(16) */ | |
132 | #define CCISS_WRITE_16 0x8a /* Write(16) */ | |
133 | ||
134 | /* Define the CDB lengths supported by cciss based controllers */ | |
135 | ||
136 | #define CDB_LEN10 10 | |
137 | #define CDB_LEN16 16 | |
1da177e4 | 138 | |
b028461d | 139 | /* BMIC commands */ |
1da177e4 LT |
140 | #define BMIC_READ 0x26 |
141 | #define BMIC_WRITE 0x27 | |
142 | #define BMIC_CACHE_FLUSH 0xc2 | |
b028461d | 143 | #define CCISS_CACHE_FLUSH 0x01 /* C2 was already being used by CCISS */ |
1da177e4 | 144 | |
b028461d | 145 | /* Command List Structure */ |
b57695fe | 146 | #define CTLR_LUNID "\0\0\0\0\0\0\0\0" |
147 | ||
1da177e4 LT |
148 | typedef struct _CommandListHeader_struct { |
149 | BYTE ReplyQueue; | |
150 | BYTE SGList; | |
151 | HWORD SGTotal; | |
152 | QWORD Tag; | |
153 | LUNAddr_struct LUN; | |
154 | } CommandListHeader_struct; | |
1da177e4 LT |
155 | typedef struct _ErrDescriptor_struct { |
156 | QWORD Addr; | |
157 | DWORD Len; | |
158 | } ErrDescriptor_struct; | |
159 | typedef struct _SGDescriptor_struct { | |
160 | QWORD Addr; | |
161 | DWORD Len; | |
162 | DWORD Ext; | |
163 | } SGDescriptor_struct; | |
164 | ||
1da177e4 LT |
165 | /* Command types */ |
166 | #define CMD_RWREQ 0x00 | |
167 | #define CMD_IOCTL_PEND 0x01 | |
168 | #define CMD_SCSI 0x03 | |
169 | #define CMD_MSG_DONE 0x04 | |
170 | #define CMD_MSG_TIMEOUT 0x05 | |
b59e64d0 | 171 | #define CMD_MSG_STALE 0xff |
1da177e4 | 172 | |
1b7d0d28 SC |
173 | /* This structure needs to be divisible by COMMANDLIST_ALIGNMENT |
174 | * because low bits of the address are used to to indicate that | |
175 | * whether the tag contains an index or an address. PAD_32 and | |
176 | * PAD_64 can be adjusted independently as needed for 32-bit | |
177 | * and 64-bits systems. | |
33079b21 | 178 | */ |
5e216153 | 179 | #define COMMANDLIST_ALIGNMENT (32) |
58daa9ce SC |
180 | #define IS_64_BIT ((sizeof(long) - 4)/4) |
181 | #define IS_32_BIT (!IS_64_BIT) | |
f3bcb143 | 182 | #define PAD_32 (0) |
58daa9ce SC |
183 | #define PAD_64 (4) |
184 | #define PADSIZE (IS_32_BIT * PAD_32 + IS_64_BIT * PAD_64) | |
5e216153 MM |
185 | #define DIRECT_LOOKUP_BIT 0x10 |
186 | #define DIRECT_LOOKUP_SHIFT 5 | |
187 | ||
1da177e4 LT |
188 | typedef struct _CommandList_struct { |
189 | CommandListHeader_struct Header; | |
190 | RequestBlock_struct Request; | |
191 | ErrDescriptor_struct ErrDesc; | |
192 | SGDescriptor_struct SG[MAXSGENTRIES]; | |
193 | /* information associated with the command */ | |
194 | __u32 busaddr; /* physical address of this record */ | |
195 | ErrorInfo_struct * err_info; /* pointer to the allocated mem */ | |
196 | int ctlr; | |
197 | int cmd_type; | |
33079b21 | 198 | long cmdindex; |
e6e1ee93 | 199 | struct list_head list; |
1da177e4 LT |
200 | struct request * rq; |
201 | struct completion *waiting; | |
202 | int retry_count; | |
1da177e4 | 203 | void * scsi_cmd; |
5e216153 | 204 | char pad[PADSIZE]; |
1da177e4 LT |
205 | } CommandList_struct; |
206 | ||
b028461d | 207 | /* Configuration Table Structure */ |
1da177e4 LT |
208 | typedef struct _HostWrite_struct { |
209 | DWORD TransportRequest; | |
210 | DWORD Reserved; | |
211 | DWORD CoalIntDelay; | |
212 | DWORD CoalIntCount; | |
213 | } HostWrite_struct; | |
214 | ||
215 | typedef struct _CfgTable_struct { | |
216 | BYTE Signature[4]; | |
217 | DWORD SpecValence; | |
5e216153 MM |
218 | #define SIMPLE_MODE 0x02 |
219 | #define PERFORMANT_MODE 0x04 | |
220 | #define MEMQ_MODE 0x08 | |
1da177e4 LT |
221 | DWORD TransportSupport; |
222 | DWORD TransportActive; | |
223 | HostWrite_struct HostWrite; | |
224 | DWORD CmdsOutMax; | |
225 | DWORD BusTypes; | |
5e216153 | 226 | DWORD TransMethodOffset; |
1da177e4 LT |
227 | BYTE ServerName[16]; |
228 | DWORD HeartBeat; | |
229 | DWORD SCSI_Prefetch; | |
5c07a311 DB |
230 | DWORD MaxSGElements; |
231 | DWORD MaxLogicalUnits; | |
232 | DWORD MaxPhysicalDrives; | |
233 | DWORD MaxPhysicalDrivesPerLogicalUnit; | |
5e216153 | 234 | DWORD MaxPerformantModeCommands; |
a6528d01 SC |
235 | u8 reserved[0x78 - 0x58]; |
236 | u32 misc_fw_support; /* offset 0x78 */ | |
237 | #define MISC_FW_DOORBELL_RESET (0x02) | |
1da177e4 | 238 | } CfgTable_struct; |
5e216153 MM |
239 | |
240 | struct TransTable_struct { | |
241 | u32 BlockFetch0; | |
242 | u32 BlockFetch1; | |
243 | u32 BlockFetch2; | |
244 | u32 BlockFetch3; | |
245 | u32 BlockFetch4; | |
246 | u32 BlockFetch5; | |
247 | u32 BlockFetch6; | |
248 | u32 BlockFetch7; | |
249 | u32 RepQSize; | |
250 | u32 RepQCount; | |
251 | u32 RepQCtrAddrLow32; | |
252 | u32 RepQCtrAddrHigh32; | |
253 | u32 RepQAddr0Low32; | |
254 | u32 RepQAddr0High32; | |
255 | }; | |
256 | ||
1da177e4 | 257 | #pragma pack() |
b028461d | 258 | #endif /* CCISS_CMD_H */ |