1 #ifndef CCISS_CMD_H 2 #define CCISS_CMD_H 3 4 #include <linux/cciss_defs.h> 5 6 /* DEFINES */ 7 #define CISS_VERSION "1.00" 8 9 /* general boundary definitions */ 10 #define MAXSGENTRIES 32 11 #define CCISS_SG_CHAIN 0x80000000 12 #define MAXREPLYQS 256 13 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 37 /* config space register offsets */ 38 #define CFG_VENDORID 0x00 39 #define CFG_DEVICEID 0x02 40 #define CFG_I2OBAR 0x10 41 #define CFG_MEM1BAR 0x14 42 43 /* i2o space register offsets */ 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 50 #define I2O_DMA1_CFG 0x214 51 52 /* Configuration Table */ 53 #define CFGTBL_ChangeReq 0x00000001l 54 #define CFGTBL_AccCmds 0x00000001l 55 #define DOORBELL_CTLR_RESET 0x00000004l 56 #define DOORBELL_CTLR_RESET2 0x00000020l 57 58 #define CFGTBL_Trans_Simple 0x00000002l 59 #define CFGTBL_Trans_Performant 0x00000004l 60 #define CFGTBL_Trans_use_short_tags 0x20000000l 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 78 /* Type defs used in the following structs */ 79 #define QWORD vals32 80 81 /* STRUCTURES */ 82 #define CISS_MAX_PHYS_LUN 1024 83 /* SCSI-3 Cmmands */ 84 85 #pragma pack(1) 86 87 #define CISS_INQUIRY 0x12 88 /* Date returned */ 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 */ 96 /* Data returned */ 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 { 107 BYTE total_size[4]; /* Total size in blocks */ 108 BYTE block_size[4]; /* Size of blocks in bytes */ 109 } ReadCapdata_struct; 110 111 #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 16 139 140 /* BMIC commands */ 141 #define BMIC_READ 0x26 142 #define BMIC_WRITE 0x27 143 #define BMIC_CACHE_FLUSH 0xc2 144 #define CCISS_CACHE_FLUSH 0x01 /* C2 was already being used by CCISS */ 145 146 #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 153 154 /* Command List Structure */ 155 #define CTLR_LUNID "\0\0\0\0\0\0\0\0" 156 157 typedef struct _CommandListHeader_struct { 158 BYTE ReplyQueue; 159 BYTE SGList; 160 HWORD SGTotal; 161 QWORD Tag; 162 LUNAddr_struct LUN; 163 } CommandListHeader_struct; 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; 173 174 /* 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 180 #define CMD_MSG_STALE 0xff 181 182 /* 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. 187 */ 188 #define COMMANDLIST_ALIGNMENT (32) 189 #define IS_64_BIT ((sizeof(long) - 4)/4) 190 #define IS_32_BIT (!IS_64_BIT) 191 #define PAD_32 (0) 192 #define PAD_64 (4) 193 #define PADSIZE (IS_32_BIT * PAD_32 + IS_64_BIT * PAD_64) 194 #define DIRECT_LOOKUP_BIT 0x10 195 #define DIRECT_LOOKUP_SHIFT 5 196 197 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; 207 long cmdindex; 208 struct list_head list; 209 struct request * rq; 210 struct completion *waiting; 211 int retry_count; 212 void * scsi_cmd; 213 char pad[PADSIZE]; 214 } CommandList_struct; 215 216 /* Configuration Table Structure */ 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; 227 #define SIMPLE_MODE 0x02 228 #define PERFORMANT_MODE 0x04 229 #define MEMQ_MODE 0x08 230 DWORD TransportSupport; 231 DWORD TransportActive; 232 HostWrite_struct HostWrite; 233 DWORD CmdsOutMax; 234 DWORD BusTypes; 235 DWORD TransMethodOffset; 236 BYTE ServerName[16]; 237 DWORD HeartBeat; 238 DWORD SCSI_Prefetch; 239 DWORD MaxSGElements; 240 DWORD MaxLogicalUnits; 241 DWORD MaxPhysicalDrives; 242 DWORD MaxPhysicalDrivesPerLogicalUnit; 243 DWORD MaxPerformantModeCommands; 244 u8 reserved[0x78 - 0x58]; 245 u32 misc_fw_support; /* offset 0x78 */ 246 #define MISC_FW_DOORBELL_RESET (0x02) 247 #define MISC_FW_DOORBELL_RESET2 (0x10) 248 u8 driver_version[32]; 249 } CfgTable_struct; 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 }; 267 268 #pragma pack() 269 #endif /* CCISS_CMD_H */ 270