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 | |
55 | ||
56 | #define CFGTBL_Trans_Simple 0x00000002l | |
57 | ||
58 | #define CFGTBL_BusType_Ultra2 0x00000001l | |
59 | #define CFGTBL_BusType_Ultra3 0x00000002l | |
60 | #define CFGTBL_BusType_Fibre1G 0x00000100l | |
61 | #define CFGTBL_BusType_Fibre2G 0x00000200l | |
62 | typedef struct _vals32 | |
63 | { | |
64 | __u32 lower; | |
65 | __u32 upper; | |
66 | } vals32; | |
67 | ||
68 | typedef union _u64bit | |
69 | { | |
70 | vals32 val32; | |
71 | __u64 val; | |
72 | } u64bit; | |
73 | ||
b028461d | 74 | /* Type defs used in the following structs */ |
1da177e4 LT |
75 | #define QWORD vals32 |
76 | ||
b028461d | 77 | /* STRUCTURES */ |
1da177e4 | 78 | #define CISS_MAX_PHYS_LUN 1024 |
b028461d | 79 | /* SCSI-3 Cmmands */ |
1da177e4 LT |
80 | |
81 | #pragma pack(1) | |
82 | ||
83 | #define CISS_INQUIRY 0x12 | |
b028461d | 84 | /* Date returned */ |
1da177e4 LT |
85 | typedef struct _InquiryData_struct |
86 | { | |
87 | BYTE data_byte[36]; | |
88 | } InquiryData_struct; | |
89 | ||
90 | #define CISS_REPORT_LOG 0xc2 /* Report Logical LUNs */ | |
91 | #define CISS_REPORT_PHYS 0xc3 /* Report Physical LUNs */ | |
b028461d | 92 | /* Data returned */ |
1da177e4 LT |
93 | typedef struct _ReportLUNdata_struct |
94 | { | |
95 | BYTE LUNListLength[4]; | |
96 | DWORD reserved; | |
97 | BYTE LUN[CISS_MAX_LUN][8]; | |
98 | } ReportLunData_struct; | |
99 | ||
100 | #define CCISS_READ_CAPACITY 0x25 /* Read Capacity */ | |
101 | typedef struct _ReadCapdata_struct | |
102 | { | |
b028461d | 103 | BYTE total_size[4]; /* Total size in blocks */ |
104 | BYTE block_size[4]; /* Size of blocks in bytes */ | |
1da177e4 LT |
105 | } ReadCapdata_struct; |
106 | ||
00988a35 MMOD |
107 | #define CCISS_READ_CAPACITY_16 0x9e /* Read Capacity 16 */ |
108 | ||
109 | /* service action to differentiate a 16 byte read capacity from | |
110 | other commands that use the 0x9e SCSI op code */ | |
111 | ||
112 | #define CCISS_READ_CAPACITY_16_SERVICE_ACT 0x10 | |
113 | ||
114 | typedef struct _ReadCapdata_struct_16 | |
115 | { | |
116 | BYTE total_size[8]; /* Total size in blocks */ | |
117 | BYTE block_size[4]; /* Size of blocks in bytes */ | |
118 | BYTE prot_en:1; /* protection enable bit */ | |
119 | BYTE rto_en:1; /* reference tag own enable bit */ | |
120 | BYTE reserved:6; /* reserved bits */ | |
121 | BYTE reserved2[18]; /* reserved bytes per spec */ | |
122 | } ReadCapdata_struct_16; | |
123 | ||
124 | /* Define the supported read/write commands for cciss based controllers */ | |
125 | ||
126 | #define CCISS_READ_10 0x28 /* Read(10) */ | |
127 | #define CCISS_WRITE_10 0x2a /* Write(10) */ | |
128 | #define CCISS_READ_16 0x88 /* Read(16) */ | |
129 | #define CCISS_WRITE_16 0x8a /* Write(16) */ | |
130 | ||
131 | /* Define the CDB lengths supported by cciss based controllers */ | |
132 | ||
133 | #define CDB_LEN10 10 | |
134 | #define CDB_LEN16 16 | |
1da177e4 | 135 | |
b028461d | 136 | /* BMIC commands */ |
1da177e4 LT |
137 | #define BMIC_READ 0x26 |
138 | #define BMIC_WRITE 0x27 | |
139 | #define BMIC_CACHE_FLUSH 0xc2 | |
b028461d | 140 | #define CCISS_CACHE_FLUSH 0x01 /* C2 was already being used by CCISS */ |
1da177e4 | 141 | |
b028461d | 142 | /* Command List Structure */ |
b57695fe | 143 | #define CTLR_LUNID "\0\0\0\0\0\0\0\0" |
144 | ||
1da177e4 LT |
145 | typedef struct _CommandListHeader_struct { |
146 | BYTE ReplyQueue; | |
147 | BYTE SGList; | |
148 | HWORD SGTotal; | |
149 | QWORD Tag; | |
150 | LUNAddr_struct LUN; | |
151 | } CommandListHeader_struct; | |
1da177e4 LT |
152 | typedef struct _ErrDescriptor_struct { |
153 | QWORD Addr; | |
154 | DWORD Len; | |
155 | } ErrDescriptor_struct; | |
156 | typedef struct _SGDescriptor_struct { | |
157 | QWORD Addr; | |
158 | DWORD Len; | |
159 | DWORD Ext; | |
160 | } SGDescriptor_struct; | |
161 | ||
1da177e4 LT |
162 | /* Command types */ |
163 | #define CMD_RWREQ 0x00 | |
164 | #define CMD_IOCTL_PEND 0x01 | |
165 | #define CMD_SCSI 0x03 | |
166 | #define CMD_MSG_DONE 0x04 | |
167 | #define CMD_MSG_TIMEOUT 0x05 | |
b59e64d0 | 168 | #define CMD_MSG_STALE 0xff |
1da177e4 | 169 | |
1b7d0d28 SC |
170 | /* This structure needs to be divisible by COMMANDLIST_ALIGNMENT |
171 | * because low bits of the address are used to to indicate that | |
172 | * whether the tag contains an index or an address. PAD_32 and | |
173 | * PAD_64 can be adjusted independently as needed for 32-bit | |
174 | * and 64-bits systems. | |
33079b21 | 175 | */ |
1b7d0d28 | 176 | #define COMMANDLIST_ALIGNMENT (8) |
58daa9ce SC |
177 | #define IS_64_BIT ((sizeof(long) - 4)/4) |
178 | #define IS_32_BIT (!IS_64_BIT) | |
179 | #define PAD_32 (0) | |
180 | #define PAD_64 (4) | |
181 | #define PADSIZE (IS_32_BIT * PAD_32 + IS_64_BIT * PAD_64) | |
1da177e4 LT |
182 | typedef struct _CommandList_struct { |
183 | CommandListHeader_struct Header; | |
184 | RequestBlock_struct Request; | |
185 | ErrDescriptor_struct ErrDesc; | |
186 | SGDescriptor_struct SG[MAXSGENTRIES]; | |
187 | /* information associated with the command */ | |
188 | __u32 busaddr; /* physical address of this record */ | |
189 | ErrorInfo_struct * err_info; /* pointer to the allocated mem */ | |
190 | int ctlr; | |
191 | int cmd_type; | |
33079b21 | 192 | long cmdindex; |
8a3173de | 193 | struct hlist_node list; |
1da177e4 LT |
194 | struct request * rq; |
195 | struct completion *waiting; | |
196 | int retry_count; | |
1da177e4 | 197 | void * scsi_cmd; |
33079b21 | 198 | char pad[PADSIZE]; |
1da177e4 LT |
199 | } CommandList_struct; |
200 | ||
b028461d | 201 | /* Configuration Table Structure */ |
1da177e4 LT |
202 | typedef struct _HostWrite_struct { |
203 | DWORD TransportRequest; | |
204 | DWORD Reserved; | |
205 | DWORD CoalIntDelay; | |
206 | DWORD CoalIntCount; | |
207 | } HostWrite_struct; | |
208 | ||
209 | typedef struct _CfgTable_struct { | |
210 | BYTE Signature[4]; | |
211 | DWORD SpecValence; | |
212 | DWORD TransportSupport; | |
213 | DWORD TransportActive; | |
214 | HostWrite_struct HostWrite; | |
215 | DWORD CmdsOutMax; | |
216 | DWORD BusTypes; | |
217 | DWORD Reserved; | |
218 | BYTE ServerName[16]; | |
219 | DWORD HeartBeat; | |
220 | DWORD SCSI_Prefetch; | |
5c07a311 DB |
221 | DWORD MaxSGElements; |
222 | DWORD MaxLogicalUnits; | |
223 | DWORD MaxPhysicalDrives; | |
224 | DWORD MaxPhysicalDrivesPerLogicalUnit; | |
1da177e4 LT |
225 | } CfgTable_struct; |
226 | #pragma pack() | |
b028461d | 227 | #endif /* CCISS_CMD_H */ |