diff options
Diffstat (limited to 'io_uring/opdef.c')
| -rw-r--r-- | io_uring/opdef.c | 557 |
1 files changed, 443 insertions, 114 deletions
diff --git a/io_uring/opdef.c b/io_uring/opdef.c index 3aa0d65c50e3..df52d760240e 100644 --- a/io_uring/opdef.c +++ b/io_uring/opdef.c @@ -7,6 +7,7 @@ #include <linux/fs.h> #include <linux/file.h> #include <linux/io_uring.h> +#include <linux/io_uring/cmd.h> #include "io_uring.h" #include "opdef.h" @@ -33,6 +34,10 @@ #include "poll.h" #include "cancel.h" #include "rw.h" +#include "waitid.h" +#include "futex.h" +#include "truncate.h" +#include "zcrx.h" static int io_no_issue(struct io_kiocb *req, unsigned int issue_flags) { @@ -46,11 +51,10 @@ static __maybe_unused int io_eopnotsupp_prep(struct io_kiocb *kiocb, return -EOPNOTSUPP; } -const struct io_op_def io_op_defs[] = { +const struct io_issue_def io_issue_defs[] = { [IORING_OP_NOP] = { .audit_skip = 1, .iopoll = 1, - .name = "NOP", .prep = io_nop_prep, .issue = io_nop, }, @@ -64,13 +68,10 @@ const struct io_op_def io_op_defs[] = { .ioprio = 1, .iopoll = 1, .iopoll_queue = 1, + .vectored = 1, .async_size = sizeof(struct io_async_rw), - .name = "READV", - .prep = io_prep_rw, + .prep = io_prep_readv, .issue = io_read, - .prep_async = io_readv_prep_async, - .cleanup = io_readv_writev_cleanup, - .fail = io_rw_fail, }, [IORING_OP_WRITEV] = { .needs_file = 1, @@ -82,18 +83,14 @@ const struct io_op_def io_op_defs[] = { .ioprio = 1, .iopoll = 1, .iopoll_queue = 1, + .vectored = 1, .async_size = sizeof(struct io_async_rw), - .name = "WRITEV", - .prep = io_prep_rw, + .prep = io_prep_writev, .issue = io_write, - .prep_async = io_writev_prep_async, - .cleanup = io_readv_writev_cleanup, - .fail = io_rw_fail, }, [IORING_OP_FSYNC] = { .needs_file = 1, .audit_skip = 1, - .name = "FSYNC", .prep = io_fsync_prep, .issue = io_fsync, }, @@ -107,10 +104,8 @@ const struct io_op_def io_op_defs[] = { .iopoll = 1, .iopoll_queue = 1, .async_size = sizeof(struct io_async_rw), - .name = "READ_FIXED", - .prep = io_prep_rw, - .issue = io_read, - .fail = io_rw_fail, + .prep = io_prep_read_fixed, + .issue = io_read_fixed, }, [IORING_OP_WRITE_FIXED] = { .needs_file = 1, @@ -123,29 +118,24 @@ const struct io_op_def io_op_defs[] = { .iopoll = 1, .iopoll_queue = 1, .async_size = sizeof(struct io_async_rw), - .name = "WRITE_FIXED", - .prep = io_prep_rw, - .issue = io_write, - .fail = io_rw_fail, + .prep = io_prep_write_fixed, + .issue = io_write_fixed, }, [IORING_OP_POLL_ADD] = { .needs_file = 1, .unbound_nonreg_file = 1, .audit_skip = 1, - .name = "POLL_ADD", .prep = io_poll_add_prep, .issue = io_poll_add, }, [IORING_OP_POLL_REMOVE] = { .audit_skip = 1, - .name = "POLL_REMOVE", .prep = io_poll_remove_prep, .issue = io_poll_remove, }, [IORING_OP_SYNC_FILE_RANGE] = { .needs_file = 1, .audit_skip = 1, - .name = "SYNC_FILE_RANGE", .prep = io_sfr_prep, .issue = io_sync_file_range, }, @@ -154,15 +144,10 @@ const struct io_op_def io_op_defs[] = { .unbound_nonreg_file = 1, .pollout = 1, .ioprio = 1, - .manual_alloc = 1, - .name = "SENDMSG", #if defined(CONFIG_NET) .async_size = sizeof(struct io_async_msghdr), .prep = io_sendmsg_prep, .issue = io_sendmsg, - .prep_async = io_sendmsg_prep_async, - .cleanup = io_sendmsg_recvmsg_cleanup, - .fail = io_sendrecv_fail, #else .prep = io_eopnotsupp_prep, #endif @@ -173,15 +158,10 @@ const struct io_op_def io_op_defs[] = { .pollin = 1, .buffer_select = 1, .ioprio = 1, - .manual_alloc = 1, - .name = "RECVMSG", #if defined(CONFIG_NET) .async_size = sizeof(struct io_async_msghdr), .prep = io_recvmsg_prep, .issue = io_recvmsg, - .prep_async = io_recvmsg_prep_async, - .cleanup = io_sendmsg_recvmsg_cleanup, - .fail = io_sendrecv_fail, #else .prep = io_eopnotsupp_prep, #endif @@ -189,14 +169,12 @@ const struct io_op_def io_op_defs[] = { [IORING_OP_TIMEOUT] = { .audit_skip = 1, .async_size = sizeof(struct io_timeout_data), - .name = "TIMEOUT", .prep = io_timeout_prep, .issue = io_timeout, }, [IORING_OP_TIMEOUT_REMOVE] = { /* used by timeout updates' prep() */ .audit_skip = 1, - .name = "TIMEOUT_REMOVE", .prep = io_timeout_remove_prep, .issue = io_timeout_remove, }, @@ -206,7 +184,6 @@ const struct io_op_def io_op_defs[] = { .pollin = 1, .poll_exclusive = 1, .ioprio = 1, /* used for flags */ - .name = "ACCEPT", #if defined(CONFIG_NET) .prep = io_accept_prep, .issue = io_accept, @@ -216,14 +193,12 @@ const struct io_op_def io_op_defs[] = { }, [IORING_OP_ASYNC_CANCEL] = { .audit_skip = 1, - .name = "ASYNC_CANCEL", .prep = io_async_cancel_prep, .issue = io_async_cancel, }, [IORING_OP_LINK_TIMEOUT] = { .audit_skip = 1, .async_size = sizeof(struct io_timeout_data), - .name = "LINK_TIMEOUT", .prep = io_link_timeout_prep, .issue = io_no_issue, }, @@ -231,46 +206,38 @@ const struct io_op_def io_op_defs[] = { .needs_file = 1, .unbound_nonreg_file = 1, .pollout = 1, - .name = "CONNECT", #if defined(CONFIG_NET) - .async_size = sizeof(struct io_async_connect), + .async_size = sizeof(struct io_async_msghdr), .prep = io_connect_prep, .issue = io_connect, - .prep_async = io_connect_prep_async, #else .prep = io_eopnotsupp_prep, #endif }, [IORING_OP_FALLOCATE] = { .needs_file = 1, - .name = "FALLOCATE", + .hash_reg_file = 1, .prep = io_fallocate_prep, .issue = io_fallocate, }, [IORING_OP_OPENAT] = { - .name = "OPENAT", .prep = io_openat_prep, .issue = io_openat, - .cleanup = io_open_cleanup, }, [IORING_OP_CLOSE] = { - .name = "CLOSE", .prep = io_close_prep, .issue = io_close, }, [IORING_OP_FILES_UPDATE] = { .audit_skip = 1, .iopoll = 1, - .name = "FILES_UPDATE", .prep = io_files_update_prep, .issue = io_files_update, }, [IORING_OP_STATX] = { .audit_skip = 1, - .name = "STATX", .prep = io_statx_prep, .issue = io_statx, - .cleanup = io_statx_cleanup, }, [IORING_OP_READ] = { .needs_file = 1, @@ -283,10 +250,8 @@ const struct io_op_def io_op_defs[] = { .iopoll = 1, .iopoll_queue = 1, .async_size = sizeof(struct io_async_rw), - .name = "READ", - .prep = io_prep_rw, + .prep = io_prep_read, .issue = io_read, - .fail = io_rw_fail, }, [IORING_OP_WRITE] = { .needs_file = 1, @@ -299,20 +264,17 @@ const struct io_op_def io_op_defs[] = { .iopoll = 1, .iopoll_queue = 1, .async_size = sizeof(struct io_async_rw), - .name = "WRITE", - .prep = io_prep_rw, + .prep = io_prep_write, .issue = io_write, - .fail = io_rw_fail, }, [IORING_OP_FADVISE] = { .needs_file = 1, .audit_skip = 1, - .name = "FADVISE", .prep = io_fadvise_prep, .issue = io_fadvise, }, [IORING_OP_MADVISE] = { - .name = "MADVISE", + .audit_skip = 1, .prep = io_madvise_prep, .issue = io_madvise, }, @@ -322,14 +284,11 @@ const struct io_op_def io_op_defs[] = { .pollout = 1, .audit_skip = 1, .ioprio = 1, - .manual_alloc = 1, - .name = "SEND", + .buffer_select = 1, #if defined(CONFIG_NET) .async_size = sizeof(struct io_async_msghdr), .prep = io_sendmsg_prep, .issue = io_send, - .fail = io_sendrecv_fail, - .prep_async = io_send_prep_async, #else .prep = io_eopnotsupp_prep, #endif @@ -341,25 +300,21 @@ const struct io_op_def io_op_defs[] = { .buffer_select = 1, .audit_skip = 1, .ioprio = 1, - .name = "RECV", #if defined(CONFIG_NET) + .async_size = sizeof(struct io_async_msghdr), .prep = io_recvmsg_prep, .issue = io_recv, - .fail = io_sendrecv_fail, #else .prep = io_eopnotsupp_prep, #endif }, [IORING_OP_OPENAT2] = { - .name = "OPENAT2", .prep = io_openat2_prep, .issue = io_openat2, - .cleanup = io_open_cleanup, }, [IORING_OP_EPOLL_CTL] = { .unbound_nonreg_file = 1, .audit_skip = 1, - .name = "EPOLL", #if defined(CONFIG_EPOLL) .prep = io_epoll_ctl_prep, .issue = io_epoll_ctl, @@ -372,36 +327,31 @@ const struct io_op_def io_op_defs[] = { .hash_reg_file = 1, .unbound_nonreg_file = 1, .audit_skip = 1, - .name = "SPLICE", .prep = io_splice_prep, .issue = io_splice, }, [IORING_OP_PROVIDE_BUFFERS] = { .audit_skip = 1, .iopoll = 1, - .name = "PROVIDE_BUFFERS", .prep = io_provide_buffers_prep, - .issue = io_provide_buffers, + .issue = io_manage_buffers_legacy, }, [IORING_OP_REMOVE_BUFFERS] = { .audit_skip = 1, .iopoll = 1, - .name = "REMOVE_BUFFERS", .prep = io_remove_buffers_prep, - .issue = io_remove_buffers, + .issue = io_manage_buffers_legacy, }, [IORING_OP_TEE] = { .needs_file = 1, .hash_reg_file = 1, .unbound_nonreg_file = 1, .audit_skip = 1, - .name = "TEE", .prep = io_tee_prep, .issue = io_tee, }, [IORING_OP_SHUTDOWN] = { .needs_file = 1, - .name = "SHUTDOWN", #if defined(CONFIG_NET) .prep = io_shutdown_prep, .issue = io_shutdown, @@ -410,72 +360,51 @@ const struct io_op_def io_op_defs[] = { #endif }, [IORING_OP_RENAMEAT] = { - .name = "RENAMEAT", .prep = io_renameat_prep, .issue = io_renameat, - .cleanup = io_renameat_cleanup, }, [IORING_OP_UNLINKAT] = { - .name = "UNLINKAT", .prep = io_unlinkat_prep, .issue = io_unlinkat, - .cleanup = io_unlinkat_cleanup, }, [IORING_OP_MKDIRAT] = { - .name = "MKDIRAT", .prep = io_mkdirat_prep, .issue = io_mkdirat, - .cleanup = io_mkdirat_cleanup, }, [IORING_OP_SYMLINKAT] = { - .name = "SYMLINKAT", .prep = io_symlinkat_prep, .issue = io_symlinkat, - .cleanup = io_link_cleanup, }, [IORING_OP_LINKAT] = { - .name = "LINKAT", .prep = io_linkat_prep, .issue = io_linkat, - .cleanup = io_link_cleanup, }, [IORING_OP_MSG_RING] = { .needs_file = 1, .iopoll = 1, - .name = "MSG_RING", .prep = io_msg_ring_prep, .issue = io_msg_ring, - .cleanup = io_msg_ring_cleanup, }, [IORING_OP_FSETXATTR] = { .needs_file = 1, - .name = "FSETXATTR", .prep = io_fsetxattr_prep, .issue = io_fsetxattr, - .cleanup = io_xattr_cleanup, }, [IORING_OP_SETXATTR] = { - .name = "SETXATTR", .prep = io_setxattr_prep, .issue = io_setxattr, - .cleanup = io_xattr_cleanup, }, [IORING_OP_FGETXATTR] = { .needs_file = 1, - .name = "FGETXATTR", .prep = io_fgetxattr_prep, .issue = io_fgetxattr, - .cleanup = io_xattr_cleanup, }, [IORING_OP_GETXATTR] = { - .name = "GETXATTR", .prep = io_getxattr_prep, .issue = io_getxattr, - .cleanup = io_xattr_cleanup, }, [IORING_OP_SOCKET] = { .audit_skip = 1, - .name = "SOCKET", #if defined(CONFIG_NET) .prep = io_socket_prep, .issue = io_socket, @@ -484,72 +413,472 @@ const struct io_op_def io_op_defs[] = { #endif }, [IORING_OP_URING_CMD] = { + .buffer_select = 1, .needs_file = 1, .plug = 1, - .name = "URING_CMD", .iopoll = 1, .iopoll_queue = 1, - .async_size = uring_cmd_pdu_size(1), + .async_size = sizeof(struct io_async_cmd), .prep = io_uring_cmd_prep, .issue = io_uring_cmd, - .prep_async = io_uring_cmd_prep_async, }, [IORING_OP_SEND_ZC] = { - .name = "SEND_ZC", .needs_file = 1, .unbound_nonreg_file = 1, .pollout = 1, .audit_skip = 1, .ioprio = 1, - .manual_alloc = 1, #if defined(CONFIG_NET) .async_size = sizeof(struct io_async_msghdr), .prep = io_send_zc_prep, .issue = io_send_zc, - .prep_async = io_send_prep_async, - .cleanup = io_send_zc_cleanup, - .fail = io_sendrecv_fail, #else .prep = io_eopnotsupp_prep, #endif }, [IORING_OP_SENDMSG_ZC] = { - .name = "SENDMSG_ZC", .needs_file = 1, .unbound_nonreg_file = 1, .pollout = 1, .ioprio = 1, - .manual_alloc = 1, #if defined(CONFIG_NET) .async_size = sizeof(struct io_async_msghdr), .prep = io_send_zc_prep, .issue = io_sendmsg_zc, - .prep_async = io_sendmsg_prep_async, - .cleanup = io_send_zc_cleanup, - .fail = io_sendrecv_fail, #else .prep = io_eopnotsupp_prep, #endif }, + [IORING_OP_READ_MULTISHOT] = { + .needs_file = 1, + .unbound_nonreg_file = 1, + .pollin = 1, + .buffer_select = 1, + .audit_skip = 1, + .async_size = sizeof(struct io_async_rw), + .prep = io_read_mshot_prep, + .issue = io_read_mshot, + }, + [IORING_OP_WAITID] = { + .async_size = sizeof(struct io_waitid_async), + .prep = io_waitid_prep, + .issue = io_waitid, + }, + [IORING_OP_FUTEX_WAIT] = { +#if defined(CONFIG_FUTEX) + .prep = io_futex_prep, + .issue = io_futex_wait, +#else + .prep = io_eopnotsupp_prep, +#endif + }, + [IORING_OP_FUTEX_WAKE] = { +#if defined(CONFIG_FUTEX) + .prep = io_futex_prep, + .issue = io_futex_wake, +#else + .prep = io_eopnotsupp_prep, +#endif + }, + [IORING_OP_FUTEX_WAITV] = { +#if defined(CONFIG_FUTEX) + .prep = io_futexv_prep, + .issue = io_futexv_wait, +#else + .prep = io_eopnotsupp_prep, +#endif + }, + [IORING_OP_FIXED_FD_INSTALL] = { + .needs_file = 1, + .prep = io_install_fixed_fd_prep, + .issue = io_install_fixed_fd, + }, + [IORING_OP_FTRUNCATE] = { + .needs_file = 1, + .hash_reg_file = 1, + .prep = io_ftruncate_prep, + .issue = io_ftruncate, + }, + [IORING_OP_BIND] = { +#if defined(CONFIG_NET) + .needs_file = 1, + .prep = io_bind_prep, + .issue = io_bind, + .async_size = sizeof(struct io_async_msghdr), +#else + .prep = io_eopnotsupp_prep, +#endif + }, + [IORING_OP_LISTEN] = { +#if defined(CONFIG_NET) + .needs_file = 1, + .prep = io_listen_prep, + .issue = io_listen, + .async_size = sizeof(struct io_async_msghdr), +#else + .prep = io_eopnotsupp_prep, +#endif + }, + [IORING_OP_RECV_ZC] = { + .needs_file = 1, + .unbound_nonreg_file = 1, + .pollin = 1, + .ioprio = 1, +#if defined(CONFIG_NET) + .prep = io_recvzc_prep, + .issue = io_recvzc, +#else + .prep = io_eopnotsupp_prep, +#endif + }, + [IORING_OP_EPOLL_WAIT] = { + .needs_file = 1, + .audit_skip = 1, + .pollin = 1, +#if defined(CONFIG_EPOLL) + .prep = io_epoll_wait_prep, + .issue = io_epoll_wait, +#else + .prep = io_eopnotsupp_prep, +#endif + }, + [IORING_OP_READV_FIXED] = { + .needs_file = 1, + .unbound_nonreg_file = 1, + .pollin = 1, + .plug = 1, + .audit_skip = 1, + .ioprio = 1, + .iopoll = 1, + .iopoll_queue = 1, + .vectored = 1, + .async_size = sizeof(struct io_async_rw), + .prep = io_prep_readv_fixed, + .issue = io_read, + }, + [IORING_OP_WRITEV_FIXED] = { + .needs_file = 1, + .hash_reg_file = 1, + .unbound_nonreg_file = 1, + .pollout = 1, + .plug = 1, + .audit_skip = 1, + .ioprio = 1, + .iopoll = 1, + .iopoll_queue = 1, + .vectored = 1, + .async_size = sizeof(struct io_async_rw), + .prep = io_prep_writev_fixed, + .issue = io_write, + }, + [IORING_OP_PIPE] = { + .prep = io_pipe_prep, + .issue = io_pipe, + }, + [IORING_OP_NOP128] = { + .audit_skip = 1, + .iopoll = 1, + .is_128 = 1, + .prep = io_nop_prep, + .issue = io_nop, + }, + [IORING_OP_URING_CMD128] = { + .buffer_select = 1, + .needs_file = 1, + .plug = 1, + .iopoll = 1, + .iopoll_queue = 1, + .is_128 = 1, + .async_size = sizeof(struct io_async_cmd), + .prep = io_uring_cmd_prep, + .issue = io_uring_cmd, + }, +}; + +const struct io_cold_def io_cold_defs[] = { + [IORING_OP_NOP] = { + .name = "NOP", + }, + [IORING_OP_READV] = { + .name = "READV", + .cleanup = io_readv_writev_cleanup, + .fail = io_rw_fail, + }, + [IORING_OP_WRITEV] = { + .name = "WRITEV", + .cleanup = io_readv_writev_cleanup, + .fail = io_rw_fail, + }, + [IORING_OP_FSYNC] = { + .name = "FSYNC", + }, + [IORING_OP_READ_FIXED] = { + .name = "READ_FIXED", + .cleanup = io_readv_writev_cleanup, + .fail = io_rw_fail, + }, + [IORING_OP_WRITE_FIXED] = { + .name = "WRITE_FIXED", + .cleanup = io_readv_writev_cleanup, + .fail = io_rw_fail, + }, + [IORING_OP_POLL_ADD] = { + .name = "POLL_ADD", + }, + [IORING_OP_POLL_REMOVE] = { + .name = "POLL_REMOVE", + }, + [IORING_OP_SYNC_FILE_RANGE] = { + .name = "SYNC_FILE_RANGE", + }, + [IORING_OP_SENDMSG] = { + .name = "SENDMSG", +#if defined(CONFIG_NET) + .cleanup = io_sendmsg_recvmsg_cleanup, + .fail = io_sendrecv_fail, +#endif + }, + [IORING_OP_RECVMSG] = { + .name = "RECVMSG", +#if defined(CONFIG_NET) + .cleanup = io_sendmsg_recvmsg_cleanup, + .fail = io_sendrecv_fail, +#endif + }, + [IORING_OP_TIMEOUT] = { + .name = "TIMEOUT", + }, + [IORING_OP_TIMEOUT_REMOVE] = { + .name = "TIMEOUT_REMOVE", + }, + [IORING_OP_ACCEPT] = { + .name = "ACCEPT", + }, + [IORING_OP_ASYNC_CANCEL] = { + .name = "ASYNC_CANCEL", + }, + [IORING_OP_LINK_TIMEOUT] = { + .name = "LINK_TIMEOUT", + }, + [IORING_OP_CONNECT] = { + .name = "CONNECT", + }, + [IORING_OP_FALLOCATE] = { + .name = "FALLOCATE", + }, + [IORING_OP_OPENAT] = { + .name = "OPENAT", + .cleanup = io_open_cleanup, + }, + [IORING_OP_CLOSE] = { + .name = "CLOSE", + }, + [IORING_OP_FILES_UPDATE] = { + .name = "FILES_UPDATE", + }, + [IORING_OP_STATX] = { + .name = "STATX", + .cleanup = io_statx_cleanup, + }, + [IORING_OP_READ] = { + .name = "READ", + .cleanup = io_readv_writev_cleanup, + .fail = io_rw_fail, + }, + [IORING_OP_WRITE] = { + .name = "WRITE", + .cleanup = io_readv_writev_cleanup, + .fail = io_rw_fail, + }, + [IORING_OP_FADVISE] = { + .name = "FADVISE", + }, + [IORING_OP_MADVISE] = { + .name = "MADVISE", + }, + [IORING_OP_SEND] = { + .name = "SEND", +#if defined(CONFIG_NET) + .cleanup = io_sendmsg_recvmsg_cleanup, + .fail = io_sendrecv_fail, +#endif + }, + [IORING_OP_RECV] = { + .name = "RECV", +#if defined(CONFIG_NET) + .cleanup = io_sendmsg_recvmsg_cleanup, + .fail = io_sendrecv_fail, +#endif + }, + [IORING_OP_OPENAT2] = { + .name = "OPENAT2", + .cleanup = io_open_cleanup, + }, + [IORING_OP_EPOLL_CTL] = { + .name = "EPOLL", + }, + [IORING_OP_SPLICE] = { + .name = "SPLICE", + .cleanup = io_splice_cleanup, + }, + [IORING_OP_PROVIDE_BUFFERS] = { + .name = "PROVIDE_BUFFERS", + }, + [IORING_OP_REMOVE_BUFFERS] = { + .name = "REMOVE_BUFFERS", + }, + [IORING_OP_TEE] = { + .name = "TEE", + .cleanup = io_splice_cleanup, + }, + [IORING_OP_SHUTDOWN] = { + .name = "SHUTDOWN", + }, + [IORING_OP_RENAMEAT] = { + .name = "RENAMEAT", + .cleanup = io_renameat_cleanup, + }, + [IORING_OP_UNLINKAT] = { + .name = "UNLINKAT", + .cleanup = io_unlinkat_cleanup, + }, + [IORING_OP_MKDIRAT] = { + .name = "MKDIRAT", + .cleanup = io_mkdirat_cleanup, + }, + [IORING_OP_SYMLINKAT] = { + .name = "SYMLINKAT", + .cleanup = io_link_cleanup, + }, + [IORING_OP_LINKAT] = { + .name = "LINKAT", + .cleanup = io_link_cleanup, + }, + [IORING_OP_MSG_RING] = { + .name = "MSG_RING", + .cleanup = io_msg_ring_cleanup, + }, + [IORING_OP_FSETXATTR] = { + .name = "FSETXATTR", + .cleanup = io_xattr_cleanup, + }, + [IORING_OP_SETXATTR] = { + .name = "SETXATTR", + .cleanup = io_xattr_cleanup, + }, + [IORING_OP_FGETXATTR] = { + .name = "FGETXATTR", + .cleanup = io_xattr_cleanup, + }, + [IORING_OP_GETXATTR] = { + .name = "GETXATTR", + .cleanup = io_xattr_cleanup, + }, + [IORING_OP_SOCKET] = { + .name = "SOCKET", + }, + [IORING_OP_URING_CMD] = { + .name = "URING_CMD", + .sqe_copy = io_uring_cmd_sqe_copy, + .cleanup = io_uring_cmd_cleanup, + }, + [IORING_OP_SEND_ZC] = { + .name = "SEND_ZC", +#if defined(CONFIG_NET) + .cleanup = io_send_zc_cleanup, + .fail = io_sendrecv_fail, +#endif + }, + [IORING_OP_SENDMSG_ZC] = { + .name = "SENDMSG_ZC", +#if defined(CONFIG_NET) + .cleanup = io_send_zc_cleanup, + .fail = io_sendrecv_fail, +#endif + }, + [IORING_OP_READ_MULTISHOT] = { + .name = "READ_MULTISHOT", + .cleanup = io_readv_writev_cleanup, + }, + [IORING_OP_WAITID] = { + .name = "WAITID", + }, + [IORING_OP_FUTEX_WAIT] = { + .name = "FUTEX_WAIT", + }, + [IORING_OP_FUTEX_WAKE] = { + .name = "FUTEX_WAKE", + }, + [IORING_OP_FUTEX_WAITV] = { + .name = "FUTEX_WAITV", + }, + [IORING_OP_FIXED_FD_INSTALL] = { + .name = "FIXED_FD_INSTALL", + }, + [IORING_OP_FTRUNCATE] = { + .name = "FTRUNCATE", + }, + [IORING_OP_BIND] = { + .name = "BIND", + }, + [IORING_OP_LISTEN] = { + .name = "LISTEN", + }, + [IORING_OP_RECV_ZC] = { + .name = "RECV_ZC", + }, + [IORING_OP_EPOLL_WAIT] = { + .name = "EPOLL_WAIT", + }, + [IORING_OP_READV_FIXED] = { + .name = "READV_FIXED", + .cleanup = io_readv_writev_cleanup, + .fail = io_rw_fail, + }, + [IORING_OP_WRITEV_FIXED] = { + .name = "WRITEV_FIXED", + .cleanup = io_readv_writev_cleanup, + .fail = io_rw_fail, + }, + [IORING_OP_PIPE] = { + .name = "PIPE", + }, + [IORING_OP_NOP128] = { + .name = "NOP128", + }, + [IORING_OP_URING_CMD128] = { + .name = "URING_CMD128", + .sqe_copy = io_uring_cmd_sqe_copy, + .cleanup = io_uring_cmd_cleanup, + }, }; const char *io_uring_get_opcode(u8 opcode) { if (opcode < IORING_OP_LAST) - return io_op_defs[opcode].name; + return io_cold_defs[opcode].name; return "INVALID"; } +bool io_uring_op_supported(u8 opcode) +{ + if (opcode < IORING_OP_LAST && + io_issue_defs[opcode].prep != io_eopnotsupp_prep) + return true; + return false; +} + void __init io_uring_optable_init(void) { int i; - BUILD_BUG_ON(ARRAY_SIZE(io_op_defs) != IORING_OP_LAST); + BUILD_BUG_ON(ARRAY_SIZE(io_cold_defs) != IORING_OP_LAST); + BUILD_BUG_ON(ARRAY_SIZE(io_issue_defs) != IORING_OP_LAST); - for (i = 0; i < ARRAY_SIZE(io_op_defs); i++) { - BUG_ON(!io_op_defs[i].prep); - if (io_op_defs[i].prep != io_eopnotsupp_prep) - BUG_ON(!io_op_defs[i].issue); - WARN_ON_ONCE(!io_op_defs[i].name); + for (i = 0; i < ARRAY_SIZE(io_issue_defs); i++) { + BUG_ON(!io_issue_defs[i].prep); + if (io_issue_defs[i].prep != io_eopnotsupp_prep) + BUG_ON(!io_issue_defs[i].issue); + WARN_ON_ONCE(!io_cold_defs[i].name); } } |