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Update to newer API

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Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jens Axboe
2019-01-09 15:26:20 -07:00
parent 66a7d05bd8
commit 7bf7e8e8e5
5 changed files with 129 additions and 115 deletions
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27
src/io_uring.h
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@@ -12,9 +12,9 @@
#include <linux/types.h>
/*
* IO submission data structure
* IO submission data structure (Submission Queue Entry)
*/
struct io_uring_iocb {
struct io_uring_sqe {
__u8 opcode;
__u8 flags;
__u16 ioprio;
@@ -35,23 +35,22 @@ struct io_uring_iocb {
* io_uring_setup() flags
*/
#define IORING_SETUP_IOPOLL (1 << 0) /* io_context is polled */
#define IORING_SETUP_FIXEDBUFS (1 << 1) /* IO buffers are fixed */
#define IORING_SETUP_SQTHREAD (1 << 2) /* Use SQ thread */
#define IORING_SETUP_SQWQ (1 << 3) /* Use SQ workqueue */
#define IORING_SETUP_SQPOLL (1 << 4) /* SQ thread polls */
#define IORING_SETUP_SQTHREAD (1 << 1) /* Use SQ thread */
#define IORING_SETUP_SQWQ (1 << 2) /* Use SQ workqueue */
#define IORING_SETUP_SQPOLL (1 << 3) /* SQ thread polls */
#define IORING_OP_READ 1
#define IORING_OP_WRITE 2
#define IORING_OP_READV 1
#define IORING_OP_WRITEV 2
#define IORING_OP_FSYNC 3
#define IORING_OP_FDSYNC 4
#define IORING_OP_READ_FIXED 5
#define IORING_OP_WRITE_FIXED 6
/*
* IO completion data structure
* IO completion data structure (Completion Queue Entry)
*/
struct io_uring_event {
__u64 index; /* what iocb this event came from */
struct io_uring_cqe {
__u64 index; /* what sqe this event came from */
__s32 res; /* result code for this event */
__u32 flags;
};
@@ -59,14 +58,14 @@ struct io_uring_event {
/*
* io_uring_event->flags
*/
#define IOEV_FLAG_CACHEHIT (1 << 0) /* IO did not hit media */
#define IOCQE_FLAG_CACHEHIT (1 << 0) /* IO did not hit media */
/*
* Magic offsets for the application to mmap the data it needs
*/
#define IORING_OFF_SQ_RING 0ULL
#define IORING_OFF_CQ_RING 0x8000000ULL
#define IORING_OFF_IOCB 0x10000000ULL
#define IORING_OFF_SQES 0x10000000ULL
/*
* Filled with the offset for mmap(2)
@@ -90,7 +89,7 @@ struct io_cqring_offsets {
__u32 ring_mask;
__u32 ring_entries;
__u32 overflow;
__u32 events;
__u32 cqes;
__u32 resv[4];
};