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ff28b140 TL |
1 | /* |
2 | * megaraid.h | |
3 | * | |
4 | * Home page of code is: http://www.smartmontools.org | |
5 | * | |
6 | * Copyright (C) 2008 Jordan Hargrave | |
7 | * | |
8 | * SPDX-License-Identifier: GPL-2.0-or-later | |
9 | */ | |
10 | ||
2127e193 GI |
11 | int megaraid_io_interface(int device, int target, struct scsi_cmnd_io *, int); |
12 | ||
13 | #undef u32 | |
14 | ||
15 | #define u8 uint8_t | |
16 | #define u16 uint16_t | |
17 | #define u32 uint32_t | |
18 | #define u64 uint64_t | |
19 | ||
20 | /*====================================================== | |
ee38a438 GI |
21 | * PERC2/3/4 Passthrough SCSI Command Interface |
22 | * | |
23 | * Contents from: | |
24 | * drivers/scsi/megaraid/megaraid_ioctl.h | |
25 | * drivers/scsi/megaraid/mbox_defs.h | |
26 | *======================================================*/ | |
27 | #define MEGAIOC_MAGIC 'm' | |
28 | #define MEGAIOCCMD _IOWR(MEGAIOC_MAGIC, 0, struct uioctl_t) | |
2127e193 GI |
29 | |
30 | /* Following subopcode work for opcode == 0x82 */ | |
31 | #define MKADAP(adapno) (MEGAIOC_MAGIC << 8 | adapno) | |
32 | #define MEGAIOC_QNADAP 'm' | |
33 | #define MEGAIOC_QDRVRVER 'e' | |
34 | #define MEGAIOC_QADAPINFO 'g' | |
35 | ||
36 | #define MEGA_MBOXCMD_PASSTHRU 0x03 | |
37 | ||
38 | #define MAX_REQ_SENSE_LEN 0x20 | |
39 | #define MAX_CDB_LEN 10 | |
40 | ||
41 | typedef struct | |
42 | { | |
ee38a438 GI |
43 | uint8_t timeout : 3; |
44 | uint8_t ars : 1; | |
45 | uint8_t reserved : 3; | |
46 | uint8_t islogical : 1; | |
47 | uint8_t logdrv; | |
48 | uint8_t channel; | |
49 | uint8_t target; | |
50 | uint8_t queuetag; | |
51 | uint8_t queueaction; | |
52 | uint8_t cdb[MAX_CDB_LEN]; | |
53 | uint8_t cdblen; | |
54 | uint8_t reqsenselen; | |
55 | uint8_t reqsensearea[MAX_REQ_SENSE_LEN]; | |
56 | uint8_t numsgelements; | |
57 | uint8_t scsistatus; | |
58 | uint32_t dataxferaddr; | |
59 | uint32_t dataxferlen; | |
2127e193 GI |
60 | } __attribute__((packed)) mega_passthru; |
61 | ||
62 | typedef struct | |
63 | { | |
ee38a438 GI |
64 | uint8_t cmd; |
65 | uint8_t cmdid; | |
66 | uint8_t opcode; | |
67 | uint8_t subopcode; | |
68 | uint32_t lba; | |
69 | uint32_t xferaddr; | |
70 | uint8_t logdrv; | |
71 | uint8_t resvd[3]; | |
72 | uint8_t numstatus; | |
73 | uint8_t status; | |
2127e193 GI |
74 | } __attribute__((packed)) megacmd_t; |
75 | ||
e9583e0c | 76 | typedef union { |
ee38a438 GI |
77 | uint8_t *pointer; |
78 | uint8_t pad[8]; | |
2127e193 GI |
79 | } ptr_t; |
80 | ||
e9583e0c GI |
81 | // The above definition assumes sizeof(void*) <= 8. |
82 | // This assumption also exists in the linux megaraid device driver. | |
83 | // So define a macro to check expected size of ptr_t at compile time using | |
84 | // a dummy typedef. On size mismatch, compiler reports a negative array | |
85 | // size. If you see an error message of this form, it means that | |
86 | // you have an unexpected pointer size on your platform and can not | |
87 | // use megaraid support in smartmontools. | |
88 | typedef char assert_sizeof_ptr_t[sizeof(ptr_t) == 8 ? 1 : -1]; | |
89 | ||
2127e193 GI |
90 | struct uioctl_t |
91 | { | |
ee38a438 GI |
92 | uint32_t inlen; |
93 | uint32_t outlen; | |
94 | union { | |
95 | uint8_t fca[16]; | |
96 | struct { | |
97 | uint8_t opcode; | |
98 | uint8_t subopcode; | |
99 | uint16_t adapno; | |
100 | ptr_t buffer; | |
101 | uint32_t length; | |
102 | } __attribute__((packed)) fcs; | |
103 | } __attribute__((packed)) ui; | |
104 | ||
105 | megacmd_t mbox; | |
106 | mega_passthru pthru; | |
107 | ptr_t data; | |
2127e193 GI |
108 | } __attribute__((packed)); |
109 | ||
110 | /*=================================================== | |
ee38a438 GI |
111 | * PERC5/6 Passthrough SCSI Command Interface |
112 | * | |
113 | * Contents from: | |
114 | * drivers/scsi/megaraid/megaraid_sas.h | |
115 | *===================================================*/ | |
2127e193 GI |
116 | #define MEGASAS_MAGIC 'M' |
117 | #define MEGASAS_IOC_FIRMWARE _IOWR(MEGASAS_MAGIC, 1, struct megasas_iocpacket) | |
118 | ||
119 | #define MFI_CMD_PD_SCSI_IO 0x04 | |
ee38a438 | 120 | #define MFI_CMD_DCMD 0x05 |
2127e193 | 121 | #define MFI_FRAME_SGL64 0x02 |
ee38a438 GI |
122 | #define MFI_STAT_OK 0x00 |
123 | #define MFI_DCMD_PD_GET_LIST 0x02010000 | |
124 | /* | |
125 | * Number of mailbox bytes in DCMD message frame | |
126 | */ | |
127 | #define MFI_MBOX_SIZE 12 | |
128 | #define MAX_IOCTL_SGE 16 | |
129 | #define MFI_FRAME_DIR_NONE 0x0000 | |
130 | #define MFI_FRAME_DIR_WRITE 0x0008 | |
131 | #define MFI_FRAME_DIR_READ 0x0010 | |
132 | #define MFI_FRAME_DIR_BOTH 0x0018 | |
133 | ||
134 | #define MAX_SYS_PDS 240 | |
2127e193 GI |
135 | |
136 | struct megasas_sge32 { | |
ee38a438 GI |
137 | |
138 | u32 phys_addr; | |
139 | u32 length; | |
140 | ||
2127e193 GI |
141 | } __attribute__ ((packed)); |
142 | ||
143 | struct megasas_sge64 { | |
ee38a438 GI |
144 | |
145 | u64 phys_addr; | |
146 | u32 length; | |
147 | ||
2127e193 GI |
148 | } __attribute__ ((packed)); |
149 | ||
150 | union megasas_sgl { | |
ee38a438 GI |
151 | |
152 | struct megasas_sge32 sge32[1]; | |
153 | struct megasas_sge64 sge64[1]; | |
154 | ||
2127e193 GI |
155 | } __attribute__ ((packed)); |
156 | ||
157 | struct megasas_header { | |
ee38a438 GI |
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_xferlen; /*14h */ | |
175 | ||
2127e193 GI |
176 | } __attribute__ ((packed)); |
177 | ||
178 | struct megasas_pthru_frame { | |
ee38a438 GI |
179 | |
180 | u8 cmd; /*00h */ | |
181 | u8 sense_len; /*01h */ | |
182 | u8 cmd_status; /*02h */ | |
183 | u8 scsi_status; /*03h */ | |
184 | ||
185 | u8 target_id; /*04h */ | |
186 | u8 lun; /*05h */ | |
187 | u8 cdb_len; /*06h */ | |
188 | u8 sge_count; /*07h */ | |
189 | ||
190 | u32 context; /*08h */ | |
191 | u32 pad_0; /*0Ch */ | |
192 | ||
193 | u16 flags; /*10h */ | |
194 | u16 timeout; /*12h */ | |
195 | u32 data_xfer_len; /*14h */ | |
196 | ||
197 | u32 sense_buf_phys_addr_lo; /*18h */ | |
198 | u32 sense_buf_phys_addr_hi; /*1Ch */ | |
199 | ||
200 | u8 cdb[16]; /*20h */ | |
201 | union megasas_sgl sgl; /*30h */ | |
202 | ||
2127e193 GI |
203 | } __attribute__ ((packed)); |
204 | ||
205 | struct megasas_dcmd_frame { | |
ee38a438 GI |
206 | |
207 | u8 cmd; /*00h */ | |
208 | u8 reserved_0; /*01h */ | |
209 | u8 cmd_status; /*02h */ | |
210 | u8 reserved_1[4]; /*03h */ | |
211 | u8 sge_count; /*07h */ | |
212 | ||
213 | u32 context; /*08h */ | |
214 | u32 pad_0; /*0Ch */ | |
215 | ||
216 | u16 flags; /*10h */ | |
217 | u16 timeout; /*12h */ | |
218 | ||
219 | u32 data_xfer_len; /*14h */ | |
220 | u32 opcode; /*18h */ | |
221 | ||
222 | union { /*1Ch */ | |
223 | u8 b[12]; | |
224 | u16 s[6]; | |
225 | u32 w[3]; | |
226 | } mbox; | |
227 | ||
228 | union megasas_sgl sgl; /*28h */ | |
229 | ||
2127e193 GI |
230 | } __attribute__ ((packed)); |
231 | ||
232 | struct megasas_iocpacket { | |
ee38a438 GI |
233 | u16 host_no; |
234 | u16 __pad1; | |
235 | u32 sgl_off; | |
236 | u32 sge_count; | |
237 | u32 sense_off; | |
238 | u32 sense_len; | |
239 | union { | |
240 | u8 raw[128]; | |
241 | struct megasas_header hdr; | |
242 | struct megasas_pthru_frame pthru; | |
243 | struct megasas_dcmd_frame dcmd; | |
244 | } frame; | |
245 | ||
246 | struct iovec sgl[MAX_IOCTL_SGE]; | |
247 | } __attribute__ ((packed)); | |
2127e193 | 248 | |
ee38a438 GI |
249 | struct megasas_pd_address { |
250 | u16 device_id; | |
251 | u16 encl_device_id; | |
252 | u8 encl_index; | |
253 | u8 slot_number; | |
254 | u8 scsi_dev_type; /* 0 = disk */ | |
255 | u8 connect_port_bitmap; | |
256 | u64 sas_addr[2]; | |
257 | } __attribute__ ((packed)); | |
258 | ||
259 | struct megasas_pd_list { | |
260 | u32 size; | |
261 | u32 count; | |
262 | struct megasas_pd_address addr[MAX_SYS_PDS]; | |
2127e193 GI |
263 | } __attribute__ ((packed)); |
264 | ||
265 | #undef u8 | |
266 | #undef u16 | |
267 | #undef u32 | |
268 | #undef u64 | |
269 |