diff options
Diffstat (limited to 'io_uring/opdef.h')
| -rw-r--r-- | io_uring/opdef.h | 37 |
1 files changed, 22 insertions, 15 deletions
diff --git a/io_uring/opdef.h b/io_uring/opdef.h index df7e13d9bfba..aa37846880ff 100644 --- a/io_uring/opdef.h +++ b/io_uring/opdef.h @@ -2,11 +2,17 @@ #ifndef IOU_OP_DEF_H #define IOU_OP_DEF_H -struct io_op_def { +struct io_issue_def { /* needs req->file assigned */ unsigned needs_file : 1; /* should block plug */ unsigned plug : 1; + /* supports ioprio */ + unsigned ioprio : 1; + /* supports iopoll */ + unsigned iopoll : 1; + /* op supports buffer selection */ + unsigned buffer_select : 1; /* hash wq insertion if file is a regular file */ unsigned hash_reg_file : 1; /* unbound wq insertion if file is a non-regular file */ @@ -15,33 +21,34 @@ struct io_op_def { unsigned pollin : 1; unsigned pollout : 1; unsigned poll_exclusive : 1; - /* op supports buffer selection */ - unsigned buffer_select : 1; - /* opcode is not supported by this kernel */ - unsigned not_supported : 1; /* skip auditing */ unsigned audit_skip : 1; - /* supports ioprio */ - unsigned ioprio : 1; - /* supports iopoll */ - unsigned iopoll : 1; /* have to be put into the iopoll list */ unsigned iopoll_queue : 1; - /* opcode specific path will handle ->async_data allocation if needed */ - unsigned manual_alloc : 1; + /* vectored opcode, set if 1) vectored, and 2) handler needs to know */ + unsigned vectored : 1; + /* set to 1 if this opcode uses 128b sqes in a mixed sq */ + unsigned is_128 : 1; + /* size of async data needed, if any */ unsigned short async_size; + int (*issue)(struct io_kiocb *, unsigned int); + int (*prep)(struct io_kiocb *, const struct io_uring_sqe *); +}; + +struct io_cold_def { const char *name; - int (*prep)(struct io_kiocb *, const struct io_uring_sqe *); - int (*issue)(struct io_kiocb *, unsigned int); - int (*prep_async)(struct io_kiocb *); + void (*sqe_copy)(struct io_kiocb *); void (*cleanup)(struct io_kiocb *); void (*fail)(struct io_kiocb *); }; -extern const struct io_op_def io_op_defs[]; +extern const struct io_issue_def io_issue_defs[]; +extern const struct io_cold_def io_cold_defs[]; + +bool io_uring_op_supported(u8 opcode); void io_uring_optable_init(void); #endif |