Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
io_uring: add macros for avaliable flags
Add constants for supported setup / request / feature flags as well as
the feature mask. They'll be used in the next patch.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
authored by
Pavel Begunkov
and committed by
Jens Axboe
63805d0a
da8bc3c8
+60
-29
+3
-29
io_uring/io_uring.c
+3
-29
io_uring/io_uring.c
···
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#define SQE_COMMON_FLAGS (IOSQE_FIXED_FILE | IOSQE_IO_LINK | \
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IOSQE_IO_HARDLINK | IOSQE_ASYNC)
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-
#define SQE_VALID_FLAGS (SQE_COMMON_FLAGS | IOSQE_BUFFER_SELECT | \
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-
IOSQE_IO_DRAIN | IOSQE_CQE_SKIP_SUCCESS)
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-
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#define IO_REQ_LINK_FLAGS (REQ_F_LINK | REQ_F_HARDLINK)
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112
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#define IO_REQ_CLEAN_FLAGS (REQ_F_BUFFER_SELECTED | REQ_F_NEED_CLEANUP | \
···
3459
3462
struct file *file;
3460
3463
long ret;
3461
3464
3462
-
if (unlikely(flags & ~(IORING_ENTER_GETEVENTS | IORING_ENTER_SQ_WAKEUP |
3463
-
IORING_ENTER_SQ_WAIT | IORING_ENTER_EXT_ARG |
3464
-
IORING_ENTER_REGISTERED_RING |
3465
-
IORING_ENTER_ABS_TIMER |
3466
-
IORING_ENTER_EXT_ARG_REG |
3467
-
IORING_ENTER_NO_IOWAIT)))
3465
+
if (unlikely(flags & ~IORING_ENTER_FLAGS))
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return -EINVAL;
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3470
3468
/*
···
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if (ret)
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goto err;
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3877
3870
-
p->features = IORING_FEAT_SINGLE_MMAP | IORING_FEAT_NODROP |
3871
-
IORING_FEAT_SUBMIT_STABLE | IORING_FEAT_RW_CUR_POS |
3872
-
IORING_FEAT_CUR_PERSONALITY | IORING_FEAT_FAST_POLL |
3873
-
IORING_FEAT_POLL_32BITS | IORING_FEAT_SQPOLL_NONFIXED |
3874
-
IORING_FEAT_EXT_ARG | IORING_FEAT_NATIVE_WORKERS |
3875
-
IORING_FEAT_RSRC_TAGS | IORING_FEAT_CQE_SKIP |
3876
-
IORING_FEAT_LINKED_FILE | IORING_FEAT_REG_REG_RING |
3877
-
IORING_FEAT_RECVSEND_BUNDLE | IORING_FEAT_MIN_TIMEOUT |
3878
-
IORING_FEAT_RW_ATTR | IORING_FEAT_NO_IOWAIT;
3878
+
p->features = IORING_FEAT_FLAGS;
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3880
if (copy_to_user(params, p, sizeof(*p))) {
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3881
ret = -EFAULT;
···
3932
3948
return -EINVAL;
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3949
}
3934
3950
3935
-
if (p.flags & ~(IORING_SETUP_IOPOLL | IORING_SETUP_SQPOLL |
3936
-
IORING_SETUP_SQ_AFF | IORING_SETUP_CQSIZE |
3937
-
IORING_SETUP_CLAMP | IORING_SETUP_ATTACH_WQ |
3938
-
IORING_SETUP_R_DISABLED | IORING_SETUP_SUBMIT_ALL |
3939
-
IORING_SETUP_COOP_TASKRUN | IORING_SETUP_TASKRUN_FLAG |
3940
-
IORING_SETUP_SQE128 | IORING_SETUP_CQE32 |
3941
-
IORING_SETUP_SINGLE_ISSUER | IORING_SETUP_DEFER_TASKRUN |
3942
-
IORING_SETUP_NO_MMAP | IORING_SETUP_REGISTERED_FD_ONLY |
3943
-
IORING_SETUP_NO_SQARRAY | IORING_SETUP_HYBRID_IOPOLL |
3944
-
IORING_SETUP_CQE_MIXED))
3951
+
if (p.flags & ~IORING_SETUP_FLAGS)
3945
3952
return -EINVAL;
3946
-
3947
3953
return io_uring_create(entries, &p, params);
3948
3954
}
3949
3955
+57
io_uring/io_uring.h
+57
io_uring/io_uring.h
···
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18
#include <trace/events/io_uring.h>
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#endif
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20
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+
#define IORING_FEAT_FLAGS (IORING_FEAT_SINGLE_MMAP |\
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+
IORING_FEAT_NODROP |\
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+
IORING_FEAT_SUBMIT_STABLE |\
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+
IORING_FEAT_RW_CUR_POS |\
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+
IORING_FEAT_CUR_PERSONALITY |\
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+
IORING_FEAT_FAST_POLL |\
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+
IORING_FEAT_POLL_32BITS |\
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+
IORING_FEAT_SQPOLL_NONFIXED |\
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+
IORING_FEAT_EXT_ARG |\
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+
IORING_FEAT_NATIVE_WORKERS |\
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+
IORING_FEAT_RSRC_TAGS |\
32
+
IORING_FEAT_CQE_SKIP |\
33
+
IORING_FEAT_LINKED_FILE |\
34
+
IORING_FEAT_REG_REG_RING |\
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+
IORING_FEAT_RECVSEND_BUNDLE |\
36
+
IORING_FEAT_MIN_TIMEOUT |\
37
+
IORING_FEAT_RW_ATTR |\
38
+
IORING_FEAT_NO_IOWAIT)
39
+
40
+
#define IORING_SETUP_FLAGS (IORING_SETUP_IOPOLL |\
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+
IORING_SETUP_SQPOLL |\
42
+
IORING_SETUP_SQ_AFF |\
43
+
IORING_SETUP_CQSIZE |\
44
+
IORING_SETUP_CLAMP |\
45
+
IORING_SETUP_ATTACH_WQ |\
46
+
IORING_SETUP_R_DISABLED |\
47
+
IORING_SETUP_SUBMIT_ALL |\
48
+
IORING_SETUP_COOP_TASKRUN |\
49
+
IORING_SETUP_TASKRUN_FLAG |\
50
+
IORING_SETUP_SQE128 |\
51
+
IORING_SETUP_CQE32 |\
52
+
IORING_SETUP_SINGLE_ISSUER |\
53
+
IORING_SETUP_DEFER_TASKRUN |\
54
+
IORING_SETUP_NO_MMAP |\
55
+
IORING_SETUP_REGISTERED_FD_ONLY |\
56
+
IORING_SETUP_NO_SQARRAY |\
57
+
IORING_SETUP_HYBRID_IOPOLL |\
58
+
IORING_SETUP_CQE_MIXED)
59
+
60
+
#define IORING_ENTER_FLAGS (IORING_ENTER_GETEVENTS |\
61
+
IORING_ENTER_SQ_WAKEUP |\
62
+
IORING_ENTER_SQ_WAIT |\
63
+
IORING_ENTER_EXT_ARG |\
64
+
IORING_ENTER_REGISTERED_RING |\
65
+
IORING_ENTER_ABS_TIMER |\
66
+
IORING_ENTER_EXT_ARG_REG |\
67
+
IORING_ENTER_NO_IOWAIT)
68
+
69
+
70
+
#define SQE_VALID_FLAGS (IOSQE_FIXED_FILE |\
71
+
IOSQE_IO_DRAIN |\
72
+
IOSQE_IO_LINK |\
73
+
IOSQE_IO_HARDLINK |\
74
+
IOSQE_ASYNC |\
75
+
IOSQE_BUFFER_SELECT |\
76
+
IOSQE_CQE_SKIP_SUCCESS)
77
+
21
78
enum {
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79
IOU_COMPLETE = 0,
23
80