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2127e193 GI |
1 | int megaraid_io_interface(int device, int target, struct scsi_cmnd_io *, int); |
2 | ||
3 | #undef u32 | |
4 | ||
5 | #define u8 uint8_t | |
6 | #define u16 uint16_t | |
7 | #define u32 uint32_t | |
8 | #define u64 uint64_t | |
9 | ||
10 | /*====================================================== | |
11 | * PERC2/3/4 Passthrough SCSI Command Interface | |
12 | * | |
13 | * Contents from: | |
14 | * drivers/scsi/megaraid/megaraid_ioctl.h | |
15 | * drivers/scsi/megaraid/mbox_defs.h | |
16 | *======================================================*/ | |
17 | #define MEGAIOC_MAGIC 'm' | |
18 | #define MEGAIOCCMD _IOWR(MEGAIOC_MAGIC, 0, struct uioctl_t) | |
19 | ||
20 | /* Following subopcode work for opcode == 0x82 */ | |
21 | #define MKADAP(adapno) (MEGAIOC_MAGIC << 8 | adapno) | |
22 | #define MEGAIOC_QNADAP 'm' | |
23 | #define MEGAIOC_QDRVRVER 'e' | |
24 | #define MEGAIOC_QADAPINFO 'g' | |
25 | ||
26 | #define MEGA_MBOXCMD_PASSTHRU 0x03 | |
27 | ||
28 | #define MAX_REQ_SENSE_LEN 0x20 | |
29 | #define MAX_CDB_LEN 10 | |
30 | ||
31 | typedef struct | |
32 | { | |
33 | uint8_t timeout : 3; | |
34 | uint8_t ars : 1; | |
35 | uint8_t reserved : 3; | |
36 | uint8_t islogical : 1; | |
37 | uint8_t logdrv; | |
38 | uint8_t channel; | |
39 | uint8_t target; | |
40 | uint8_t queuetag; | |
41 | uint8_t queueaction; | |
42 | uint8_t cdb[MAX_CDB_LEN]; | |
43 | uint8_t cdblen; | |
44 | uint8_t reqsenselen; | |
45 | uint8_t reqsensearea[MAX_REQ_SENSE_LEN]; | |
46 | uint8_t numsgelements; | |
47 | uint8_t scsistatus; | |
48 | uint32_t dataxferaddr; | |
49 | uint32_t dataxferlen; | |
50 | } __attribute__((packed)) mega_passthru; | |
51 | ||
52 | typedef struct | |
53 | { | |
54 | uint8_t cmd; | |
55 | uint8_t cmdid; | |
56 | uint8_t opcode; | |
57 | uint8_t subopcode; | |
58 | uint32_t lba; | |
59 | uint32_t xferaddr; | |
60 | uint8_t logdrv; | |
61 | uint8_t resvd[3]; | |
62 | uint8_t numstatus; | |
63 | uint8_t status; | |
64 | } __attribute__((packed)) megacmd_t; | |
65 | ||
66 | typedef struct { | |
67 | uint8_t *pointer; | |
68 | #if BITS_PER_LONG == 32 | |
69 | uint8_t pad[4]; | |
70 | #endif | |
71 | } ptr_t; | |
72 | ||
73 | struct uioctl_t | |
74 | { | |
75 | uint32_t inlen; | |
76 | uint32_t outlen; | |
77 | union { | |
78 | uint8_t fca[16]; | |
79 | struct { | |
80 | uint8_t opcode; | |
81 | uint8_t subopcode; | |
82 | uint16_t adapno; | |
83 | ptr_t buffer; | |
84 | uint32_t length; | |
85 | } __attribute__((packed)) fcs; | |
86 | } __attribute__((packed)) ui; | |
87 | ||
88 | megacmd_t mbox; | |
89 | mega_passthru pthru; | |
90 | ptr_t data; | |
91 | } __attribute__((packed)); | |
92 | ||
93 | /*=================================================== | |
94 | * PERC5/6 Passthrough SCSI Command Interface | |
95 | * | |
96 | * Contents from: | |
97 | * drivers/scsi/megaraid/megaraid_sas.h | |
98 | *===================================================*/ | |
99 | #define MEGASAS_MAGIC 'M' | |
100 | #define MEGASAS_IOC_FIRMWARE _IOWR(MEGASAS_MAGIC, 1, struct megasas_iocpacket) | |
101 | ||
102 | #define MFI_CMD_PD_SCSI_IO 0x04 | |
103 | #define MFI_FRAME_SGL64 0x02 | |
104 | #define MFI_FRAME_DIR_READ 0x10 | |
105 | ||
106 | #define MAX_IOCTL_SGE 16 | |
107 | ||
108 | struct megasas_sge32 { | |
109 | ||
110 | u32 phys_addr; | |
111 | u32 length; | |
112 | ||
113 | } __attribute__ ((packed)); | |
114 | ||
115 | struct megasas_sge64 { | |
116 | ||
117 | u64 phys_addr; | |
118 | u32 length; | |
119 | ||
120 | } __attribute__ ((packed)); | |
121 | ||
122 | union megasas_sgl { | |
123 | ||
124 | struct megasas_sge32 sge32[1]; | |
125 | struct megasas_sge64 sge64[1]; | |
126 | ||
127 | } __attribute__ ((packed)); | |
128 | ||
129 | struct megasas_header { | |
130 | ||
131 | u8 cmd; /*00h */ | |
132 | u8 sense_len; /*01h */ | |
133 | u8 cmd_status; /*02h */ | |
134 | u8 scsi_status; /*03h */ | |
135 | ||
136 | u8 target_id; /*04h */ | |
137 | u8 lun; /*05h */ | |
138 | u8 cdb_len; /*06h */ | |
139 | u8 sge_count; /*07h */ | |
140 | ||
141 | u32 context; /*08h */ | |
142 | u32 pad_0; /*0Ch */ | |
143 | ||
144 | u16 flags; /*10h */ | |
145 | u16 timeout; /*12h */ | |
146 | u32 data_xferlen; /*14h */ | |
147 | ||
148 | } __attribute__ ((packed)); | |
149 | ||
150 | struct megasas_pthru_frame { | |
151 | ||
152 | u8 cmd; /*00h */ | |
153 | u8 sense_len; /*01h */ | |
154 | u8 cmd_status; /*02h */ | |
155 | u8 scsi_status; /*03h */ | |
156 | ||
157 | u8 target_id; /*04h */ | |
158 | u8 lun; /*05h */ | |
159 | u8 cdb_len; /*06h */ | |
160 | u8 sge_count; /*07h */ | |
161 | ||
162 | u32 context; /*08h */ | |
163 | u32 pad_0; /*0Ch */ | |
164 | ||
165 | u16 flags; /*10h */ | |
166 | u16 timeout; /*12h */ | |
167 | u32 data_xfer_len; /*14h */ | |
168 | ||
169 | u32 sense_buf_phys_addr_lo; /*18h */ | |
170 | u32 sense_buf_phys_addr_hi; /*1Ch */ | |
171 | ||
172 | u8 cdb[16]; /*20h */ | |
173 | union megasas_sgl sgl; /*30h */ | |
174 | ||
175 | } __attribute__ ((packed)); | |
176 | ||
177 | struct megasas_dcmd_frame { | |
178 | ||
179 | u8 cmd; /*00h */ | |
180 | u8 reserved_0; /*01h */ | |
181 | u8 cmd_status; /*02h */ | |
182 | u8 reserved_1[4]; /*03h */ | |
183 | u8 sge_count; /*07h */ | |
184 | ||
185 | u32 context; /*08h */ | |
186 | u32 pad_0; /*0Ch */ | |
187 | ||
188 | u16 flags; /*10h */ | |
189 | u16 timeout; /*12h */ | |
190 | ||
191 | u32 data_xfer_len; /*14h */ | |
192 | u32 opcode; /*18h */ | |
193 | ||
194 | union { /*1Ch */ | |
195 | u8 b[12]; | |
196 | u16 s[6]; | |
197 | u32 w[3]; | |
198 | } mbox; | |
199 | ||
200 | union megasas_sgl sgl; /*28h */ | |
201 | ||
202 | } __attribute__ ((packed)); | |
203 | ||
204 | struct megasas_iocpacket { | |
205 | ||
206 | u16 host_no; | |
207 | u16 __pad1; | |
208 | u32 sgl_off; | |
209 | u32 sge_count; | |
210 | u32 sense_off; | |
211 | u32 sense_len; | |
212 | union { | |
213 | u8 raw[128]; | |
214 | struct megasas_header hdr; | |
215 | } frame; | |
216 | ||
217 | struct iovec sgl[MAX_IOCTL_SGE]; | |
218 | ||
219 | } __attribute__ ((packed)); | |
220 | ||
221 | #undef u8 | |
222 | #undef u16 | |
223 | #undef u32 | |
224 | #undef u64 | |
225 |