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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 */