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>
This commit is contained in:
Pavel Begunkov 2025-09-08 00:02:59 +01:00 committed by Jens Axboe
parent da8bc3c81c
commit 63805d0a9b
2 changed files with 60 additions and 29 deletions

View File

@ -108,9 +108,6 @@
#define SQE_COMMON_FLAGS (IOSQE_FIXED_FILE | IOSQE_IO_LINK | \ #define SQE_COMMON_FLAGS (IOSQE_FIXED_FILE | IOSQE_IO_LINK | \
IOSQE_IO_HARDLINK | IOSQE_ASYNC) IOSQE_IO_HARDLINK | IOSQE_ASYNC)
#define SQE_VALID_FLAGS (SQE_COMMON_FLAGS | IOSQE_BUFFER_SELECT | \
IOSQE_IO_DRAIN | IOSQE_CQE_SKIP_SUCCESS)
#define IO_REQ_LINK_FLAGS (REQ_F_LINK | REQ_F_HARDLINK) #define IO_REQ_LINK_FLAGS (REQ_F_LINK | REQ_F_HARDLINK)
#define IO_REQ_CLEAN_FLAGS (REQ_F_BUFFER_SELECTED | REQ_F_NEED_CLEANUP | \ #define IO_REQ_CLEAN_FLAGS (REQ_F_BUFFER_SELECTED | REQ_F_NEED_CLEANUP | \
@ -3462,12 +3459,7 @@ SYSCALL_DEFINE6(io_uring_enter, unsigned int, fd, u32, to_submit,
struct file *file; struct file *file;
long ret; long ret;
if (unlikely(flags & ~(IORING_ENTER_GETEVENTS | IORING_ENTER_SQ_WAKEUP | if (unlikely(flags & ~IORING_ENTER_FLAGS))
IORING_ENTER_SQ_WAIT | IORING_ENTER_EXT_ARG |
IORING_ENTER_REGISTERED_RING |
IORING_ENTER_ABS_TIMER |
IORING_ENTER_EXT_ARG_REG |
IORING_ENTER_NO_IOWAIT)))
return -EINVAL; return -EINVAL;
/* /*
@ -3875,15 +3867,7 @@ static __cold int io_uring_create(unsigned entries, struct io_uring_params *p,
if (ret) if (ret)
goto err; goto err;
p->features = IORING_FEAT_SINGLE_MMAP | IORING_FEAT_NODROP | p->features = IORING_FEAT_FLAGS;
IORING_FEAT_SUBMIT_STABLE | IORING_FEAT_RW_CUR_POS |
IORING_FEAT_CUR_PERSONALITY | IORING_FEAT_FAST_POLL |
IORING_FEAT_POLL_32BITS | IORING_FEAT_SQPOLL_NONFIXED |
IORING_FEAT_EXT_ARG | IORING_FEAT_NATIVE_WORKERS |
IORING_FEAT_RSRC_TAGS | IORING_FEAT_CQE_SKIP |
IORING_FEAT_LINKED_FILE | IORING_FEAT_REG_REG_RING |
IORING_FEAT_RECVSEND_BUNDLE | IORING_FEAT_MIN_TIMEOUT |
IORING_FEAT_RW_ATTR | IORING_FEAT_NO_IOWAIT;
if (copy_to_user(params, p, sizeof(*p))) { if (copy_to_user(params, p, sizeof(*p))) {
ret = -EFAULT; ret = -EFAULT;
@ -3948,18 +3932,8 @@ static long io_uring_setup(u32 entries, struct io_uring_params __user *params)
return -EINVAL; return -EINVAL;
} }
if (p.flags & ~(IORING_SETUP_IOPOLL | IORING_SETUP_SQPOLL | if (p.flags & ~IORING_SETUP_FLAGS)
IORING_SETUP_SQ_AFF | IORING_SETUP_CQSIZE |
IORING_SETUP_CLAMP | IORING_SETUP_ATTACH_WQ |
IORING_SETUP_R_DISABLED | IORING_SETUP_SUBMIT_ALL |
IORING_SETUP_COOP_TASKRUN | IORING_SETUP_TASKRUN_FLAG |
IORING_SETUP_SQE128 | IORING_SETUP_CQE32 |
IORING_SETUP_SINGLE_ISSUER | IORING_SETUP_DEFER_TASKRUN |
IORING_SETUP_NO_MMAP | IORING_SETUP_REGISTERED_FD_ONLY |
IORING_SETUP_NO_SQARRAY | IORING_SETUP_HYBRID_IOPOLL |
IORING_SETUP_CQE_MIXED))
return -EINVAL; return -EINVAL;
return io_uring_create(entries, &p, params); return io_uring_create(entries, &p, params);
} }

View File

@ -18,6 +18,63 @@
#include <trace/events/io_uring.h> #include <trace/events/io_uring.h>
#endif #endif
#define IORING_FEAT_FLAGS (IORING_FEAT_SINGLE_MMAP |\
IORING_FEAT_NODROP |\
IORING_FEAT_SUBMIT_STABLE |\
IORING_FEAT_RW_CUR_POS |\
IORING_FEAT_CUR_PERSONALITY |\
IORING_FEAT_FAST_POLL |\
IORING_FEAT_POLL_32BITS |\
IORING_FEAT_SQPOLL_NONFIXED |\
IORING_FEAT_EXT_ARG |\
IORING_FEAT_NATIVE_WORKERS |\
IORING_FEAT_RSRC_TAGS |\
IORING_FEAT_CQE_SKIP |\
IORING_FEAT_LINKED_FILE |\
IORING_FEAT_REG_REG_RING |\
IORING_FEAT_RECVSEND_BUNDLE |\
IORING_FEAT_MIN_TIMEOUT |\
IORING_FEAT_RW_ATTR |\
IORING_FEAT_NO_IOWAIT)
#define IORING_SETUP_FLAGS (IORING_SETUP_IOPOLL |\
IORING_SETUP_SQPOLL |\
IORING_SETUP_SQ_AFF |\
IORING_SETUP_CQSIZE |\
IORING_SETUP_CLAMP |\
IORING_SETUP_ATTACH_WQ |\
IORING_SETUP_R_DISABLED |\
IORING_SETUP_SUBMIT_ALL |\
IORING_SETUP_COOP_TASKRUN |\
IORING_SETUP_TASKRUN_FLAG |\
IORING_SETUP_SQE128 |\
IORING_SETUP_CQE32 |\
IORING_SETUP_SINGLE_ISSUER |\
IORING_SETUP_DEFER_TASKRUN |\
IORING_SETUP_NO_MMAP |\
IORING_SETUP_REGISTERED_FD_ONLY |\
IORING_SETUP_NO_SQARRAY |\
IORING_SETUP_HYBRID_IOPOLL |\
IORING_SETUP_CQE_MIXED)
#define IORING_ENTER_FLAGS (IORING_ENTER_GETEVENTS |\
IORING_ENTER_SQ_WAKEUP |\
IORING_ENTER_SQ_WAIT |\
IORING_ENTER_EXT_ARG |\
IORING_ENTER_REGISTERED_RING |\
IORING_ENTER_ABS_TIMER |\
IORING_ENTER_EXT_ARG_REG |\
IORING_ENTER_NO_IOWAIT)
#define SQE_VALID_FLAGS (IOSQE_FIXED_FILE |\
IOSQE_IO_DRAIN |\
IOSQE_IO_LINK |\
IOSQE_IO_HARDLINK |\
IOSQE_ASYNC |\
IOSQE_BUFFER_SELECT |\
IOSQE_CQE_SKIP_SUCCESS)
enum { enum {
IOU_COMPLETE = 0, IOU_COMPLETE = 0,