diff options
author | David Howells <dhowells@redhat.com> | 2012-10-13 05:46:48 -0400 |
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committer | David Howells <dhowells@redhat.com> | 2012-10-13 05:46:48 -0400 |
commit | 607ca46e97a1b6594b29647d98a32d545c24bdff (patch) | |
tree | 30f4c0784bfddb57332cdc0678bd06d1e77fa185 /include/uapi/linux/bsg.h | |
parent | 08cce05c5a91f5017f4edc9866cf026908c73f9f (diff) |
UAPI: (Scripted) Disintegrate include/linux
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Michael Kerrisk <mtk.manpages@gmail.com>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Dave Jones <davej@redhat.com>
Diffstat (limited to 'include/uapi/linux/bsg.h')
-rw-r--r-- | include/uapi/linux/bsg.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/include/uapi/linux/bsg.h b/include/uapi/linux/bsg.h new file mode 100644 index 000000000000..7a12e1c0f371 --- /dev/null +++ b/include/uapi/linux/bsg.h | |||
@@ -0,0 +1,65 @@ | |||
1 | #ifndef _UAPIBSG_H | ||
2 | #define _UAPIBSG_H | ||
3 | |||
4 | #include <linux/types.h> | ||
5 | |||
6 | #define BSG_PROTOCOL_SCSI 0 | ||
7 | |||
8 | #define BSG_SUB_PROTOCOL_SCSI_CMD 0 | ||
9 | #define BSG_SUB_PROTOCOL_SCSI_TMF 1 | ||
10 | #define BSG_SUB_PROTOCOL_SCSI_TRANSPORT 2 | ||
11 | |||
12 | /* | ||
13 | * For flags member below | ||
14 | * sg.h sg_io_hdr also has bits defined for it's flags member. However | ||
15 | * none of these bits are implemented/used by bsg. The bits below are | ||
16 | * allocated to not conflict with sg.h ones anyway. | ||
17 | */ | ||
18 | #define BSG_FLAG_Q_AT_TAIL 0x10 /* default, == 0 at this bit, is Q_AT_HEAD */ | ||
19 | |||
20 | struct sg_io_v4 { | ||
21 | __s32 guard; /* [i] 'Q' to differentiate from v3 */ | ||
22 | __u32 protocol; /* [i] 0 -> SCSI , .... */ | ||
23 | __u32 subprotocol; /* [i] 0 -> SCSI command, 1 -> SCSI task | ||
24 | management function, .... */ | ||
25 | |||
26 | __u32 request_len; /* [i] in bytes */ | ||
27 | __u64 request; /* [i], [*i] {SCSI: cdb} */ | ||
28 | __u64 request_tag; /* [i] {SCSI: task tag (only if flagged)} */ | ||
29 | __u32 request_attr; /* [i] {SCSI: task attribute} */ | ||
30 | __u32 request_priority; /* [i] {SCSI: task priority} */ | ||
31 | __u32 request_extra; /* [i] {spare, for padding} */ | ||
32 | __u32 max_response_len; /* [i] in bytes */ | ||
33 | __u64 response; /* [i], [*o] {SCSI: (auto)sense data} */ | ||
34 | |||
35 | /* "dout_": data out (to device); "din_": data in (from device) */ | ||
36 | __u32 dout_iovec_count; /* [i] 0 -> "flat" dout transfer else | ||
37 | dout_xfer points to array of iovec */ | ||
38 | __u32 dout_xfer_len; /* [i] bytes to be transferred to device */ | ||
39 | __u32 din_iovec_count; /* [i] 0 -> "flat" din transfer */ | ||
40 | __u32 din_xfer_len; /* [i] bytes to be transferred from device */ | ||
41 | __u64 dout_xferp; /* [i], [*i] */ | ||
42 | __u64 din_xferp; /* [i], [*o] */ | ||
43 | |||
44 | __u32 timeout; /* [i] units: millisecond */ | ||
45 | __u32 flags; /* [i] bit mask */ | ||
46 | __u64 usr_ptr; /* [i->o] unused internally */ | ||
47 | __u32 spare_in; /* [i] */ | ||
48 | |||
49 | __u32 driver_status; /* [o] 0 -> ok */ | ||
50 | __u32 transport_status; /* [o] 0 -> ok */ | ||
51 | __u32 device_status; /* [o] {SCSI: command completion status} */ | ||
52 | __u32 retry_delay; /* [o] {SCSI: status auxiliary information} */ | ||
53 | __u32 info; /* [o] additional information */ | ||
54 | __u32 duration; /* [o] time to complete, in milliseconds */ | ||
55 | __u32 response_len; /* [o] bytes of response actually written */ | ||
56 | __s32 din_resid; /* [o] din_xfer_len - actual_din_xfer_len */ | ||
57 | __s32 dout_resid; /* [o] dout_xfer_len - actual_dout_xfer_len */ | ||
58 | __u64 generated_tag; /* [o] {SCSI: transport generated task tag} */ | ||
59 | __u32 spare_out; /* [o] */ | ||
60 | |||
61 | __u32 padding; | ||
62 | }; | ||
63 | |||
64 | |||
65 | #endif /* _UAPIBSG_H */ | ||