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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 | ||
e9583e0c | 66 | typedef union { |
2127e193 | 67 | uint8_t *pointer; |
e9583e0c | 68 | uint8_t pad[8]; |
2127e193 GI |
69 | } ptr_t; |
70 | ||
e9583e0c GI |
71 | // The above definition assumes sizeof(void*) <= 8. |
72 | // This assumption also exists in the linux megaraid device driver. | |
73 | // So define a macro to check expected size of ptr_t at compile time using | |
74 | // a dummy typedef. On size mismatch, compiler reports a negative array | |
75 | // size. If you see an error message of this form, it means that | |
76 | // you have an unexpected pointer size on your platform and can not | |
77 | // use megaraid support in smartmontools. | |
78 | typedef char assert_sizeof_ptr_t[sizeof(ptr_t) == 8 ? 1 : -1]; | |
79 | ||
2127e193 GI |
80 | struct uioctl_t |
81 | { | |
82 | uint32_t inlen; | |
83 | uint32_t outlen; | |
84 | union { | |
85 | uint8_t fca[16]; | |
86 | struct { | |
87 | uint8_t opcode; | |
88 | uint8_t subopcode; | |
89 | uint16_t adapno; | |
90 | ptr_t buffer; | |
91 | uint32_t length; | |
92 | } __attribute__((packed)) fcs; | |
93 | } __attribute__((packed)) ui; | |
94 | ||
95 | megacmd_t mbox; | |
96 | mega_passthru pthru; | |
97 | ptr_t data; | |
98 | } __attribute__((packed)); | |
99 | ||
100 | /*=================================================== | |
101 | * PERC5/6 Passthrough SCSI Command Interface | |
102 | * | |
103 | * Contents from: | |
104 | * drivers/scsi/megaraid/megaraid_sas.h | |
105 | *===================================================*/ | |
106 | #define MEGASAS_MAGIC 'M' | |
107 | #define MEGASAS_IOC_FIRMWARE _IOWR(MEGASAS_MAGIC, 1, struct megasas_iocpacket) | |
108 | ||
109 | #define MFI_CMD_PD_SCSI_IO 0x04 | |
110 | #define MFI_FRAME_SGL64 0x02 | |
111 | #define MFI_FRAME_DIR_READ 0x10 | |
112 | ||
113 | #define MAX_IOCTL_SGE 16 | |
114 | ||
115 | struct megasas_sge32 { | |
116 | ||
117 | u32 phys_addr; | |
118 | u32 length; | |
119 | ||
120 | } __attribute__ ((packed)); | |
121 | ||
122 | struct megasas_sge64 { | |
123 | ||
124 | u64 phys_addr; | |
125 | u32 length; | |
126 | ||
127 | } __attribute__ ((packed)); | |
128 | ||
129 | union megasas_sgl { | |
130 | ||
131 | struct megasas_sge32 sge32[1]; | |
132 | struct megasas_sge64 sge64[1]; | |
133 | ||
134 | } __attribute__ ((packed)); | |
135 | ||
136 | struct megasas_header { | |
137 | ||
138 | u8 cmd; /*00h */ | |
139 | u8 sense_len; /*01h */ | |
140 | u8 cmd_status; /*02h */ | |
141 | u8 scsi_status; /*03h */ | |
142 | ||
143 | u8 target_id; /*04h */ | |
144 | u8 lun; /*05h */ | |
145 | u8 cdb_len; /*06h */ | |
146 | u8 sge_count; /*07h */ | |
147 | ||
148 | u32 context; /*08h */ | |
149 | u32 pad_0; /*0Ch */ | |
150 | ||
151 | u16 flags; /*10h */ | |
152 | u16 timeout; /*12h */ | |
153 | u32 data_xferlen; /*14h */ | |
154 | ||
155 | } __attribute__ ((packed)); | |
156 | ||
157 | struct megasas_pthru_frame { | |
158 | ||
159 | u8 cmd; /*00h */ | |
160 | u8 sense_len; /*01h */ | |
161 | u8 cmd_status; /*02h */ | |
162 | u8 scsi_status; /*03h */ | |
163 | ||
164 | u8 target_id; /*04h */ | |
165 | u8 lun; /*05h */ | |
166 | u8 cdb_len; /*06h */ | |
167 | u8 sge_count; /*07h */ | |
168 | ||
169 | u32 context; /*08h */ | |
170 | u32 pad_0; /*0Ch */ | |
171 | ||
172 | u16 flags; /*10h */ | |
173 | u16 timeout; /*12h */ | |
174 | u32 data_xfer_len; /*14h */ | |
175 | ||
176 | u32 sense_buf_phys_addr_lo; /*18h */ | |
177 | u32 sense_buf_phys_addr_hi; /*1Ch */ | |
178 | ||
179 | u8 cdb[16]; /*20h */ | |
180 | union megasas_sgl sgl; /*30h */ | |
181 | ||
182 | } __attribute__ ((packed)); | |
183 | ||
184 | struct megasas_dcmd_frame { | |
185 | ||
186 | u8 cmd; /*00h */ | |
187 | u8 reserved_0; /*01h */ | |
188 | u8 cmd_status; /*02h */ | |
189 | u8 reserved_1[4]; /*03h */ | |
190 | u8 sge_count; /*07h */ | |
191 | ||
192 | u32 context; /*08h */ | |
193 | u32 pad_0; /*0Ch */ | |
194 | ||
195 | u16 flags; /*10h */ | |
196 | u16 timeout; /*12h */ | |
197 | ||
198 | u32 data_xfer_len; /*14h */ | |
199 | u32 opcode; /*18h */ | |
200 | ||
201 | union { /*1Ch */ | |
202 | u8 b[12]; | |
203 | u16 s[6]; | |
204 | u32 w[3]; | |
205 | } mbox; | |
206 | ||
207 | union megasas_sgl sgl; /*28h */ | |
208 | ||
209 | } __attribute__ ((packed)); | |
210 | ||
211 | struct megasas_iocpacket { | |
212 | ||
213 | u16 host_no; | |
214 | u16 __pad1; | |
215 | u32 sgl_off; | |
216 | u32 sge_count; | |
217 | u32 sense_off; | |
218 | u32 sense_len; | |
219 | union { | |
220 | u8 raw[128]; | |
221 | struct megasas_header hdr; | |
cfbba5b9 | 222 | struct megasas_pthru_frame pthru; |
2127e193 GI |
223 | } frame; |
224 | ||
225 | struct iovec sgl[MAX_IOCTL_SGE]; | |
226 | ||
227 | } __attribute__ ((packed)); | |
228 | ||
229 | #undef u8 | |
230 | #undef u16 | |
231 | #undef u32 | |
232 | #undef u64 | |
233 |