blob: e624ff959cb68d572c9826612255a9f84b9cf796 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
|
#ifndef CCISS_CMD_H
#define CCISS_CMD_H
#include <linux/cciss_defs.h>
/* DEFINES */
#define CISS_VERSION "1.00"
/* general boundary definitions */
#define MAXSGENTRIES 32
#define CCISS_SG_CHAIN 0x80000000
#define MAXREPLYQS 256
/* Unit Attentions ASC's as defined for the MSA2012sa */
#define POWER_OR_RESET 0x29
#define STATE_CHANGED 0x2a
#define UNIT_ATTENTION_CLEARED 0x2f
#define LUN_FAILED 0x3e
#define REPORT_LUNS_CHANGED 0x3f
/* Unit Attentions ASCQ's as defined for the MSA2012sa */
/* These ASCQ's defined for ASC = POWER_OR_RESET */
#define POWER_ON_RESET 0x00
#define POWER_ON_REBOOT 0x01
#define SCSI_BUS_RESET 0x02
#define MSA_TARGET_RESET 0x03
#define CONTROLLER_FAILOVER 0x04
#define TRANSCEIVER_SE 0x05
#define TRANSCEIVER_LVD 0x06
/* These ASCQ's defined for ASC = STATE_CHANGED */
#define RESERVATION_PREEMPTED 0x03
#define ASYM_ACCESS_CHANGED 0x06
#define LUN_CAPACITY_CHANGED 0x09
/* config space register offsets */
#define CFG_VENDORID 0x00
#define CFG_DEVICEID 0x02
#define CFG_I2OBAR 0x10
#define CFG_MEM1BAR 0x14
/* i2o space register offsets */
#define I2O_IBDB_SET 0x20
#define I2O_IBDB_CLEAR 0x70
#define I2O_INT_STATUS 0x30
#define I2O_INT_MASK 0x34
#define I2O_IBPOST_Q 0x40
#define I2O_OBPOST_Q 0x44
#define I2O_DMA1_CFG 0x214
/* Configuration Table */
#define CFGTBL_ChangeReq 0x00000001l
#define CFGTBL_AccCmds 0x00000001l
#define CFGTBL_Trans_Simple 0x00000002l
#define CFGTBL_BusType_Ultra2 0x00000001l
#define CFGTBL_BusType_Ultra3 0x00000002l
#define CFGTBL_BusType_Fibre1G 0x00000100l
#define CFGTBL_BusType_Fibre2G 0x00000200l
typedef struct _vals32
{
__u32 lower;
__u32 upper;
} vals32;
typedef union _u64bit
{
vals32 val32;
__u64 val;
} u64bit;
/* Type defs used in the following structs */
#define QWORD vals32
/* STRUCTURES */
#define CISS_MAX_PHYS_LUN 1024
/* SCSI-3 Cmmands */
#pragma pack(1)
#define CISS_INQUIRY 0x12
/* Date returned */
typedef struct _InquiryData_struct
{
BYTE data_byte[36];
} InquiryData_struct;
#define CISS_REPORT_LOG 0xc2 /* Report Logical LUNs */
#define CISS_REPORT_PHYS 0xc3 /* Report Physical LUNs */
/* Data returned */
typedef struct _ReportLUNdata_struct
{
BYTE LUNListLength[4];
DWORD reserved;
BYTE LUN[CISS_MAX_LUN][8];
} ReportLunData_struct;
#define CCISS_READ_CAPACITY 0x25 /* Read Capacity */
typedef struct _ReadCapdata_struct
{
BYTE total_size[4]; /* Total size in blocks */
BYTE block_size[4]; /* Size of blocks in bytes */
} ReadCapdata_struct;
#define CCISS_READ_CAPACITY_16 0x9e /* Read Capacity 16 */
/* service action to differentiate a 16 byte read capacity from
other commands that use the 0x9e SCSI op code */
#define CCISS_READ_CAPACITY_16_SERVICE_ACT 0x10
typedef struct _ReadCapdata_struct_16
{
BYTE total_size[8]; /* Total size in blocks */
BYTE block_size[4]; /* Size of blocks in bytes */
BYTE prot_en:1; /* protection enable bit */
BYTE rto_en:1; /* reference tag own enable bit */
BYTE reserved:6; /* reserved bits */
BYTE reserved2[18]; /* reserved bytes per spec */
} ReadCapdata_struct_16;
/* Define the supported read/write commands for cciss based controllers */
#define CCISS_READ_10 0x28 /* Read(10) */
#define CCISS_WRITE_10 0x2a /* Write(10) */
#define CCISS_READ_16 0x88 /* Read(16) */
#define CCISS_WRITE_16 0x8a /* Write(16) */
/* Define the CDB lengths supported by cciss based controllers */
#define CDB_LEN10 10
#define CDB_LEN16 16
/* BMIC commands */
#define BMIC_READ 0x26
#define BMIC_WRITE 0x27
#define BMIC_CACHE_FLUSH 0xc2
#define CCISS_CACHE_FLUSH 0x01 /* C2 was already being used by CCISS */
/* Command List Structure */
#define CTLR_LUNID "\0\0\0\0\0\0\0\0"
typedef struct _CommandListHeader_struct {
BYTE ReplyQueue;
BYTE SGList;
HWORD SGTotal;
QWORD Tag;
LUNAddr_struct LUN;
} CommandListHeader_struct;
typedef struct _ErrDescriptor_struct {
QWORD Addr;
DWORD Len;
} ErrDescriptor_struct;
typedef struct _SGDescriptor_struct {
QWORD Addr;
DWORD Len;
DWORD Ext;
} SGDescriptor_struct;
/* Command types */
#define CMD_RWREQ 0x00
#define CMD_IOCTL_PEND 0x01
#define CMD_SCSI 0x03
#define CMD_MSG_DONE 0x04
#define CMD_MSG_TIMEOUT 0x05
#define CMD_MSG_STALE 0xff
/* This structure needs to be divisible by COMMANDLIST_ALIGNMENT
* because low bits of the address are used to to indicate that
* whether the tag contains an index or an address. PAD_32 and
* PAD_64 can be adjusted independently as needed for 32-bit
* and 64-bits systems.
*/
#define COMMANDLIST_ALIGNMENT (8)
#define IS_64_BIT ((sizeof(long) - 4)/4)
#define IS_32_BIT (!IS_64_BIT)
#define PAD_32 (0)
#define PAD_64 (4)
#define PADSIZE (IS_32_BIT * PAD_32 + IS_64_BIT * PAD_64)
typedef struct _CommandList_struct {
CommandListHeader_struct Header;
RequestBlock_struct Request;
ErrDescriptor_struct ErrDesc;
SGDescriptor_struct SG[MAXSGENTRIES];
/* information associated with the command */
__u32 busaddr; /* physical address of this record */
ErrorInfo_struct * err_info; /* pointer to the allocated mem */
int ctlr;
int cmd_type;
long cmdindex;
struct hlist_node list;
struct request * rq;
struct completion *waiting;
int retry_count;
void * scsi_cmd;
char pad[PADSIZE];
} CommandList_struct;
/* Configuration Table Structure */
typedef struct _HostWrite_struct {
DWORD TransportRequest;
DWORD Reserved;
DWORD CoalIntDelay;
DWORD CoalIntCount;
} HostWrite_struct;
typedef struct _CfgTable_struct {
BYTE Signature[4];
DWORD SpecValence;
DWORD TransportSupport;
DWORD TransportActive;
HostWrite_struct HostWrite;
DWORD CmdsOutMax;
DWORD BusTypes;
DWORD Reserved;
BYTE ServerName[16];
DWORD HeartBeat;
DWORD SCSI_Prefetch;
DWORD MaxSGElements;
DWORD MaxLogicalUnits;
DWORD MaxPhysicalDrives;
DWORD MaxPhysicalDrivesPerLogicalUnit;
} CfgTable_struct;
#pragma pack()
#endif /* CCISS_CMD_H */
|
