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 66typedef struct _vals32 67{ 68 __u32 lower; 69 __u32 upper; 70} vals32; 71 72typedef 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 */ 89typedef 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 */ 97typedef 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 */ 105typedef 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 118typedef 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 157typedef struct _CommandListHeader_struct { 158 BYTE ReplyQueue; 159 BYTE SGList; 160 HWORD SGTotal; 161 QWORD Tag; 162 LUNAddr_struct LUN; 163} CommandListHeader_struct; 164typedef struct _ErrDescriptor_struct { 165 QWORD Addr; 166 DWORD Len; 167} ErrDescriptor_struct; 168typedef 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 197typedef 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 */ 217typedef struct _HostWrite_struct { 218 DWORD TransportRequest; 219 DWORD Reserved; 220 DWORD CoalIntDelay; 221 DWORD CoalIntCount; 222} HostWrite_struct; 223 224typedef 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 251struct 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