smartmontools SVN Rev 5409
Utility to control and monitor storage systems with "S.M.A.R.T."
megaraid.h
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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 */
11int megaraid_io_interface(int device, int target, struct scsi_cmnd_io *, int);
13#undef u32
15#define u8 uint8_t
16#define u16 uint16_t
17#define u32 uint32_t
18#define u64 uint64_t
20/*======================================================
21* PERC2/3/4 Passthrough SCSI Command Interface
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)
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
41typedef struct
42{
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];
57 uint8_t scsistatus;
58 uint32_t dataxferaddr;
59 uint32_t dataxferlen;
60} __attribute__((packed)) mega_passthru;
61
62typedef struct
63{
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;
74} __attribute__((packed)) megacmd_t;
75
76typedef union {
77 uint8_t *pointer;
78 uint8_t pad[8];
79} ptr_t;
80
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.
88typedef char assert_sizeof_ptr_t[sizeof(ptr_t) == 8 ? 1 : -1];
89
91{
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;
101 uint32_t length;
102 } __attribute__((packed)) fcs;
103 } __attribute__((packed)) ui;
104
105 megacmd_t mbox;
106 mega_passthru pthru;
108} __attribute__((packed));
109
110/*===================================================
111* PERC5/6 Passthrough SCSI Command Interface
112*
113* Contents from:
114* drivers/scsi/megaraid/megaraid_sas.h
115*===================================================*/
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
120#define MFI_CMD_DCMD 0x05
121#define MFI_FRAME_SGL64 0x02
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
135
137
140
141} __attribute__ ((packed));
142
144
147
148} __attribute__ ((packed));
149
151
154
155} __attribute__ ((packed));
156
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 */
175
176} __attribute__ ((packed));
177
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 */
196
199
200 u8 cdb[16]; /*20h */
201 union megasas_sgl sgl; /*30h */
202
203} __attribute__ ((packed));
204
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
220 u32 opcode; /*18h */
221
222 union { /*1Ch */
223 u8 b[12];
224 u16 s[6];
225 u32 w[3];
227
228 union megasas_sgl sgl; /*28h */
229
230} __attribute__ ((packed));
231
239 union {
240 u8 raw[128];
245
246 struct iovec sgl[MAX_IOCTL_SGE];
247} __attribute__ ((packed));
248
254 u8 scsi_dev_type; /* 0 = disk */
257} __attribute__ ((packed));
258
263} __attribute__ ((packed));
264
265#undef u8
266#undef u16
267#undef u32
268#undef u64
269
#define MAX_IOCTL_SGE
Definition: megaraid.h:128
char assert_sizeof_ptr_t[sizeof(ptr_t)==8 ? 1 :-1]
Definition: megaraid.h:88
#define MAX_SYS_PDS
Definition: megaraid.h:134
#define u16
Definition: megaraid.h:16
#define u32
Definition: megaraid.h:17
u8 cdb[16]
Definition: megaraid.h:21
#define MAX_CDB_LEN
Definition: megaraid.h:39
#define u64
Definition: megaraid.h:18
struct @34 __attribute__((packed)) fcs
int megaraid_io_interface(int device, int target, struct scsi_cmnd_io *, int)
#define MAX_REQ_SENSE_LEN
Definition: megaraid.h:38
#define u8
Definition: megaraid.h:15
uint8_t numstatus
Definition: megaraid.h:72
uint8_t cmd
Definition: megaraid.h:64
uint32_t xferaddr
Definition: megaraid.h:69
uint8_t islogical
Definition: megaraid.h:46
uint8_t channel
Definition: megaraid.h:48
uint8_t cmdid
Definition: megaraid.h:65
uint8_t target
Definition: megaraid.h:49
uint8_t queuetag
Definition: megaraid.h:50
uint8_t queueaction
Definition: megaraid.h:51
uint8_t cdblen
Definition: megaraid.h:53
uint8_t status
Definition: megaraid.h:73
uint8_t reserved
Definition: megaraid.h:45
uint8_t reqsenselen
Definition: megaraid.h:54
uint32_t dataxferaddr
Definition: megaraid.h:58
uint8_t ars
Definition: megaraid.h:44
uint8_t numsgelements
Definition: megaraid.h:56
uint8_t logdrv
Definition: megaraid.h:47
uint8_t opcode
Definition: megaraid.h:66
uint32_t dataxferlen
Definition: megaraid.h:59
uint8_t timeout
Definition: megaraid.h:43
uint32_t lba
Definition: megaraid.h:68
uint8_t subopcode
Definition: megaraid.h:67
uint8_t scsistatus
Definition: megaraid.h:57
union megasas_dcmd_frame::@38 mbox
union megasas_sgl sgl
Definition: megaraid.h:228
u32 data_xferlen
Definition: megaraid.h:174
struct megasas_pthru_frame pthru
Definition: megaraid.h:242
struct megasas_header hdr
Definition: megaraid.h:241
struct iovec sgl[MAX_IOCTL_SGE]
Definition: megaraid.h:246
struct megasas_dcmd_frame dcmd
Definition: megaraid.h:243
union megasas_iocpacket::@40 frame
struct megasas_pd_address addr[MAX_SYS_PDS]
Definition: megaraid.h:262
u32 sense_buf_phys_addr_lo
Definition: megaraid.h:197
union megasas_sgl sgl
Definition: megaraid.h:201
u32 sense_buf_phys_addr_hi
Definition: megaraid.h:198
uint32_t inlen
Definition: megaraid.h:92
mega_passthru pthru
Definition: megaraid.h:106
uint32_t length
Definition: megaraid.h:101
ptr_t buffer
Definition: megaraid.h:100
uint8_t fca[16]
Definition: megaraid.h:95
uint8_t opcode
Definition: megaraid.h:97
uint32_t outlen
Definition: megaraid.h:93
megacmd_t mbox
Definition: megaraid.h:105
ptr_t data
Definition: megaraid.h:107
union uioctl_t::@32 __attribute__((packed)) ui
uint8_t subopcode
Definition: megaraid.h:98
uint16_t adapno
Definition: megaraid.h:99
struct megasas_sge64 sge64[1]
Definition: megaraid.h:153
struct megasas_sge32 sge32[1]
Definition: megaraid.h:152
Definition: megaraid.h:76
uint8_t * pointer
Definition: megaraid.h:77