Update io_uring API

[fio.git] / os / io_uring.h

diff --git a/os/io_uring.h b/os/io_uring.h
index b07bbbb3dd656dc4fbd2f14bc867b11eca0d5b49..613930dbf3253ef744263599383211f91d30995f 100644 (file)
--- a/os/io_uring.h
+++ b/os/io_uring.h
@@ -29,25 +29,27 @@ struct io_uring_sqe {
                __kernel_rwf_t  rw_flags;
                __u32           __resv;
        };
-       __u16   index;          /* index into fixed buffers, if used */
+       __u16   buf_index;      /* index into fixed buffers, if used */
        __u16   __pad2[3];
        __u64   data;           /* data to be passed back at completion time */
 };
 
+/*
+ * sqe->flags
+ */
+#define IOSQE_FIXED_BUFFER     (1 << 0)        /* use fixed buffer */
+
 /*
  * io_uring_setup() flags
  */
 #define IORING_SETUP_IOPOLL    (1 << 0)        /* io_context is polled */
-#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_SETUP_SQPOLL    (1 << 1)        /* SQ poll thread */
+#define IORING_SETUP_SQ_AFF    (1 << 2)        /* sq_thread_cpu is valid */
 
 #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 (Completion Queue Entry)
@@ -114,4 +116,15 @@ struct io_uring_params {
        struct io_cqring_offsets cq_off;
 };
 
+/*
+ * io_uring_register(2) opcodes and arguments
+ */
+#define IORING_REGISTER_BUFFERS                0
+#define IORING_UNREGISTER_BUFFERS      1
+
+struct io_uring_register_buffers {
+       struct iovec *iovecs;
+       unsigned nr_iovecs;
+};
+
 #endif