4 #include <linux/cciss_defs.h>
7 #define CISS_VERSION "1.00"
9 /* general boundary definitions */
10 #define MAXSGENTRIES 32
11 #define CCISS_SG_CHAIN 0x80000000
12 #define MAXREPLYQS 256
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
21 /* Unit Attentions ASCQ's as defined for the MSA2012sa */
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
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
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
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
52 /* Configuration Table */
53 #define CFGTBL_ChangeReq 0x00000001l
54 #define CFGTBL_AccCmds 0x00000001l
55 #define DOORBELL_CTLR_RESET 0x00000004l
57 #define CFGTBL_Trans_Simple 0x00000002l
58 #define CFGTBL_Trans_Performant 0x00000004l
59 #define CFGTBL_Trans_use_short_tags 0x20000000l
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
77 /* Type defs used in the following structs */
81 #define CISS_MAX_PHYS_LUN 1024
86 #define CISS_INQUIRY 0x12
88 typedef struct _InquiryData_struct
93 #define CISS_REPORT_LOG 0xc2 /* Report Logical LUNs */
94 #define CISS_REPORT_PHYS 0xc3 /* Report Physical LUNs */
96 typedef struct _ReportLUNdata_struct
98 BYTE LUNListLength[4];
100 BYTE LUN[CISS_MAX_LUN][8];
101 } ReportLunData_struct;
103 #define CCISS_READ_CAPACITY 0x25 /* Read Capacity */
104 typedef struct _ReadCapdata_struct
106 BYTE total_size[4]; /* Total size in blocks */
107 BYTE block_size[4]; /* Size of blocks in bytes */
108 } ReadCapdata_struct;
110 #define CCISS_READ_CAPACITY_16 0x9e /* Read Capacity 16 */
112 /* service action to differentiate a 16 byte read capacity from
113 other commands that use the 0x9e SCSI op code */
115 #define CCISS_READ_CAPACITY_16_SERVICE_ACT 0x10
117 typedef struct _ReadCapdata_struct_16
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;
127 /* Define the supported read/write commands for cciss based controllers */
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) */
134 /* Define the CDB lengths supported by cciss based controllers */
140 #define BMIC_READ 0x26
141 #define BMIC_WRITE 0x27
142 #define BMIC_CACHE_FLUSH 0xc2
143 #define CCISS_CACHE_FLUSH 0x01 /* C2 was already being used by CCISS */
145 /* Command List Structure */
146 #define CTLR_LUNID "\0\0\0\0\0\0\0\0"
148 typedef struct _CommandListHeader_struct {
154 } CommandListHeader_struct;
155 typedef struct _ErrDescriptor_struct {
158 } ErrDescriptor_struct;
159 typedef struct _SGDescriptor_struct {
163 } SGDescriptor_struct;
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
171 #define CMD_MSG_STALE 0xff
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.
179 #define COMMANDLIST_ALIGNMENT (32)
180 #define IS_64_BIT ((sizeof(long) - 4)/4)
181 #define IS_32_BIT (!IS_64_BIT)
184 #define PADSIZE (IS_32_BIT * PAD_32 + IS_64_BIT * PAD_64)
185 #define DIRECT_LOOKUP_BIT 0x10
186 #define DIRECT_LOOKUP_SHIFT 5
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 */
199 struct list_head list;
201 struct completion *waiting;
205 } CommandList_struct;
207 /* Configuration Table Structure */
208 typedef struct _HostWrite_struct {
209 DWORD TransportRequest;
215 typedef struct _CfgTable_struct {
218 #define SIMPLE_MODE 0x02
219 #define PERFORMANT_MODE 0x04
220 #define MEMQ_MODE 0x08
221 DWORD TransportSupport;
222 DWORD TransportActive;
223 HostWrite_struct HostWrite;
226 DWORD TransMethodOffset;
231 DWORD MaxLogicalUnits;
232 DWORD MaxPhysicalDrives;
233 DWORD MaxPhysicalDrivesPerLogicalUnit;
234 DWORD MaxPerformantModeCommands;
235 u8 reserved[0x78 - 0x58];
236 u32 misc_fw_support; /* offset 0x78 */
237 #define MISC_FW_DOORBELL_RESET (0x02)
240 struct TransTable_struct {
251 u32 RepQCtrAddrLow32;
252 u32 RepQCtrAddrHigh32;
258 #endif /* CCISS_CMD_H */