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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 | /*====================================================== | |
ee38a438 GI |
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) | |
2127e193 GI |
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 | { | |
ee38a438 GI |
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; | |
2127e193 GI |
50 | } __attribute__((packed)) mega_passthru; |
51 | ||
52 | typedef struct | |
53 | { | |
ee38a438 GI |
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; | |
2127e193 GI |
64 | } __attribute__((packed)) megacmd_t; |
65 | ||
e9583e0c | 66 | typedef union { |
ee38a438 GI |
67 | uint8_t *pointer; |
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 | { | |
ee38a438 GI |
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; | |
2127e193 GI |
98 | } __attribute__((packed)); |
99 | ||
100 | /*=================================================== | |
ee38a438 GI |
101 | * PERC5/6 Passthrough SCSI Command Interface |
102 | * | |
103 | * Contents from: | |
104 | * drivers/scsi/megaraid/megaraid_sas.h | |
105 | *===================================================*/ | |
2127e193 GI |
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 | |
ee38a438 | 110 | #define MFI_CMD_DCMD 0x05 |
2127e193 | 111 | #define MFI_FRAME_SGL64 0x02 |
ee38a438 GI |
112 | #define MFI_STAT_OK 0x00 |
113 | #define MFI_DCMD_PD_GET_LIST 0x02010000 | |
114 | /* | |
115 | * Number of mailbox bytes in DCMD message frame | |
116 | */ | |
117 | #define MFI_MBOX_SIZE 12 | |
118 | #define MAX_IOCTL_SGE 16 | |
119 | #define MFI_FRAME_DIR_NONE 0x0000 | |
120 | #define MFI_FRAME_DIR_WRITE 0x0008 | |
121 | #define MFI_FRAME_DIR_READ 0x0010 | |
122 | #define MFI_FRAME_DIR_BOTH 0x0018 | |
123 | ||
124 | #define MAX_SYS_PDS 240 | |
2127e193 GI |
125 | |
126 | struct megasas_sge32 { | |
ee38a438 GI |
127 | |
128 | u32 phys_addr; | |
129 | u32 length; | |
130 | ||
2127e193 GI |
131 | } __attribute__ ((packed)); |
132 | ||
133 | struct megasas_sge64 { | |
ee38a438 GI |
134 | |
135 | u64 phys_addr; | |
136 | u32 length; | |
137 | ||
2127e193 GI |
138 | } __attribute__ ((packed)); |
139 | ||
140 | union megasas_sgl { | |
ee38a438 GI |
141 | |
142 | struct megasas_sge32 sge32[1]; | |
143 | struct megasas_sge64 sge64[1]; | |
144 | ||
2127e193 GI |
145 | } __attribute__ ((packed)); |
146 | ||
147 | struct megasas_header { | |
ee38a438 GI |
148 | |
149 | u8 cmd; /*00h */ | |
150 | u8 sense_len; /*01h */ | |
151 | u8 cmd_status; /*02h */ | |
152 | u8 scsi_status; /*03h */ | |
153 | ||
154 | u8 target_id; /*04h */ | |
155 | u8 lun; /*05h */ | |
156 | u8 cdb_len; /*06h */ | |
157 | u8 sge_count; /*07h */ | |
158 | ||
159 | u32 context; /*08h */ | |
160 | u32 pad_0; /*0Ch */ | |
161 | ||
162 | u16 flags; /*10h */ | |
163 | u16 timeout; /*12h */ | |
164 | u32 data_xferlen; /*14h */ | |
165 | ||
2127e193 GI |
166 | } __attribute__ ((packed)); |
167 | ||
168 | struct megasas_pthru_frame { | |
ee38a438 GI |
169 | |
170 | u8 cmd; /*00h */ | |
171 | u8 sense_len; /*01h */ | |
172 | u8 cmd_status; /*02h */ | |
173 | u8 scsi_status; /*03h */ | |
174 | ||
175 | u8 target_id; /*04h */ | |
176 | u8 lun; /*05h */ | |
177 | u8 cdb_len; /*06h */ | |
178 | u8 sge_count; /*07h */ | |
179 | ||
180 | u32 context; /*08h */ | |
181 | u32 pad_0; /*0Ch */ | |
182 | ||
183 | u16 flags; /*10h */ | |
184 | u16 timeout; /*12h */ | |
185 | u32 data_xfer_len; /*14h */ | |
186 | ||
187 | u32 sense_buf_phys_addr_lo; /*18h */ | |
188 | u32 sense_buf_phys_addr_hi; /*1Ch */ | |
189 | ||
190 | u8 cdb[16]; /*20h */ | |
191 | union megasas_sgl sgl; /*30h */ | |
192 | ||
2127e193 GI |
193 | } __attribute__ ((packed)); |
194 | ||
195 | struct megasas_dcmd_frame { | |
ee38a438 GI |
196 | |
197 | u8 cmd; /*00h */ | |
198 | u8 reserved_0; /*01h */ | |
199 | u8 cmd_status; /*02h */ | |
200 | u8 reserved_1[4]; /*03h */ | |
201 | u8 sge_count; /*07h */ | |
202 | ||
203 | u32 context; /*08h */ | |
204 | u32 pad_0; /*0Ch */ | |
205 | ||
206 | u16 flags; /*10h */ | |
207 | u16 timeout; /*12h */ | |
208 | ||
209 | u32 data_xfer_len; /*14h */ | |
210 | u32 opcode; /*18h */ | |
211 | ||
212 | union { /*1Ch */ | |
213 | u8 b[12]; | |
214 | u16 s[6]; | |
215 | u32 w[3]; | |
216 | } mbox; | |
217 | ||
218 | union megasas_sgl sgl; /*28h */ | |
219 | ||
2127e193 GI |
220 | } __attribute__ ((packed)); |
221 | ||
222 | struct megasas_iocpacket { | |
ee38a438 GI |
223 | u16 host_no; |
224 | u16 __pad1; | |
225 | u32 sgl_off; | |
226 | u32 sge_count; | |
227 | u32 sense_off; | |
228 | u32 sense_len; | |
229 | union { | |
230 | u8 raw[128]; | |
231 | struct megasas_header hdr; | |
232 | struct megasas_pthru_frame pthru; | |
233 | struct megasas_dcmd_frame dcmd; | |
234 | } frame; | |
235 | ||
236 | struct iovec sgl[MAX_IOCTL_SGE]; | |
237 | } __attribute__ ((packed)); | |
2127e193 | 238 | |
ee38a438 GI |
239 | struct megasas_pd_address { |
240 | u16 device_id; | |
241 | u16 encl_device_id; | |
242 | u8 encl_index; | |
243 | u8 slot_number; | |
244 | u8 scsi_dev_type; /* 0 = disk */ | |
245 | u8 connect_port_bitmap; | |
246 | u64 sas_addr[2]; | |
247 | } __attribute__ ((packed)); | |
248 | ||
249 | struct megasas_pd_list { | |
250 | u32 size; | |
251 | u32 count; | |
252 | struct megasas_pd_address addr[MAX_SYS_PDS]; | |
2127e193 GI |
253 | } __attribute__ ((packed)); |
254 | ||
255 | #undef u8 | |
256 | #undef u16 | |
257 | #undef u32 | |
258 | #undef u64 | |
259 |