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io_uring: add opcode name to io_op_defs

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This kills the last per-op switch.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jens Axboe 2022-05-25 11:57:03 -06:00
parent 92ac8beaea
commit cfd22e6b33
1 changed files with 52 additions and 98 deletions
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150
io_uring/io_uring.c
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@ -315,6 +315,8 @@ struct io_op_def {
/* size of async data needed, if any */
unsigned short async_size;
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 *);
@ -349,104 +351,8 @@ static struct kmem_cache *req_cachep;
const char *io_uring_get_opcode(u8 opcode)
{
switch ((enum io_uring_op)opcode) {
case IORING_OP_NOP:
return "NOP";
case IORING_OP_READV:
return "READV";
case IORING_OP_WRITEV:
return "WRITEV";
case IORING_OP_FSYNC:
return "FSYNC";
case IORING_OP_READ_FIXED:
return "READ_FIXED";
case IORING_OP_WRITE_FIXED:
return "WRITE_FIXED";
case IORING_OP_POLL_ADD:
return "POLL_ADD";
case IORING_OP_POLL_REMOVE:
return "POLL_REMOVE";
case IORING_OP_SYNC_FILE_RANGE:
return "SYNC_FILE_RANGE";
case IORING_OP_SENDMSG:
return "SENDMSG";
case IORING_OP_RECVMSG:
return "RECVMSG";
case IORING_OP_TIMEOUT:
return "TIMEOUT";
case IORING_OP_TIMEOUT_REMOVE:
return "TIMEOUT_REMOVE";
case IORING_OP_ACCEPT:
return "ACCEPT";
case IORING_OP_ASYNC_CANCEL:
return "ASYNC_CANCEL";
case IORING_OP_LINK_TIMEOUT:
return "LINK_TIMEOUT";
case IORING_OP_CONNECT:
return "CONNECT";
case IORING_OP_FALLOCATE:
return "FALLOCATE";
case IORING_OP_OPENAT:
return "OPENAT";
case IORING_OP_CLOSE:
return "CLOSE";
case IORING_OP_FILES_UPDATE:
return "FILES_UPDATE";
case IORING_OP_STATX:
return "STATX";
case IORING_OP_READ:
return "READ";
case IORING_OP_WRITE:
return "WRITE";
case IORING_OP_FADVISE:
return "FADVISE";
case IORING_OP_MADVISE:
return "MADVISE";
case IORING_OP_SEND:
return "SEND";
case IORING_OP_RECV:
return "RECV";
case IORING_OP_OPENAT2:
return "OPENAT2";
case IORING_OP_EPOLL_CTL:
return "EPOLL_CTL";
case IORING_OP_SPLICE:
return "SPLICE";
case IORING_OP_PROVIDE_BUFFERS:
return "PROVIDE_BUFFERS";
case IORING_OP_REMOVE_BUFFERS:
return "REMOVE_BUFFERS";
case IORING_OP_TEE:
return "TEE";
case IORING_OP_SHUTDOWN:
return "SHUTDOWN";
case IORING_OP_RENAMEAT:
return "RENAMEAT";
case IORING_OP_UNLINKAT:
return "UNLINKAT";
case IORING_OP_MKDIRAT:
return "MKDIRAT";
case IORING_OP_SYMLINKAT:
return "SYMLINKAT";
case IORING_OP_LINKAT:
return "LINKAT";
case IORING_OP_MSG_RING:
return "MSG_RING";
case IORING_OP_FSETXATTR:
return "FSETXATTR";
case IORING_OP_SETXATTR:
return "SETXATTR";
case IORING_OP_FGETXATTR:
return "FGETXATTR";
case IORING_OP_GETXATTR:
return "GETXATTR";
case IORING_OP_SOCKET:
return "SOCKET";
case IORING_OP_URING_CMD:
return "URING_CMD";
case IORING_OP_LAST:
return "INVALID";
}
if (opcode < IORING_OP_LAST)
return io_op_defs[opcode].name;
return "INVALID";
}
@ -8307,6 +8213,7 @@ static const struct io_op_def io_op_defs[] = {
[IORING_OP_NOP] = {
.audit_skip = 1,
.iopoll = 1,
.name = "NOP",
.prep = io_nop_prep,
.issue = io_nop,
},
@ -8320,6 +8227,7 @@ static const struct io_op_def io_op_defs[] = {
.ioprio = 1,
.iopoll = 1,
.async_size = sizeof(struct io_async_rw),
.name = "READV",
.prep = io_prep_rw,
.issue = io_read,
.prep_async = io_readv_prep_async,
@ -8335,6 +8243,7 @@ static const struct io_op_def io_op_defs[] = {
.ioprio = 1,
.iopoll = 1,
.async_size = sizeof(struct io_async_rw),
.name = "WRITEV",
.prep = io_prep_rw,
.issue = io_write,
.prep_async = io_writev_prep_async,
@ -8343,6 +8252,7 @@ static const struct io_op_def io_op_defs[] = {
[IORING_OP_FSYNC] = {
.needs_file = 1,
.audit_skip = 1,
.name = "FSYNC",
.prep = io_fsync_prep,
.issue = io_fsync,
},
@ -8355,6 +8265,7 @@ static const struct io_op_def io_op_defs[] = {
.ioprio = 1,
.iopoll = 1,
.async_size = sizeof(struct io_async_rw),
.name = "READ_FIXED",
.prep = io_prep_rw,
.issue = io_read,
},
@ -8368,6 +8279,7 @@ static const struct io_op_def io_op_defs[] = {
.ioprio = 1,
.iopoll = 1,
.async_size = sizeof(struct io_async_rw),
.name = "WRITE_FIXED",
.prep = io_prep_rw,
.issue = io_write,
},
@ -8375,17 +8287,20 @@ static const struct io_op_def io_op_defs[] = {
.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,
},
@ -8394,6 +8309,7 @@ static const struct io_op_def io_op_defs[] = {
.unbound_nonreg_file = 1,
.pollout = 1,
.ioprio = 1,
.name = "SENDMSG",
#if defined(CONFIG_NET)
.async_size = sizeof(struct io_async_msghdr),
.prep = io_sendmsg_prep,
@ -8410,6 +8326,7 @@ static const struct io_op_def io_op_defs[] = {
.pollin = 1,
.buffer_select = 1,
.ioprio = 1,
.name = "RECVMSG",
#if defined(CONFIG_NET)
.async_size = sizeof(struct io_async_msghdr),
.prep = io_recvmsg_prep,
@ -8423,12 +8340,14 @@ static 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,
},
@ -8438,6 +8357,7 @@ static 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,
@ -8447,12 +8367,14 @@ static 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,
},
@ -8460,6 +8382,7 @@ static 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),
.prep = io_connect_prep,
@ -8471,26 +8394,31 @@ static const struct io_op_def io_op_defs[] = {
},
[IORING_OP_FALLOCATE] = {
.needs_file = 1,
.name = "FALLOCATE",
.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,
@ -8505,6 +8433,7 @@ static const struct io_op_def io_op_defs[] = {
.ioprio = 1,
.iopoll = 1,
.async_size = sizeof(struct io_async_rw),
.name = "READ",
.prep = io_prep_rw,
.issue = io_read,
},
@ -8518,16 +8447,19 @@ static const struct io_op_def io_op_defs[] = {
.ioprio = 1,
.iopoll = 1,
.async_size = sizeof(struct io_async_rw),
.name = "WRITE",
.prep = io_prep_rw,
.issue = io_write,
},
[IORING_OP_FADVISE] = {
.needs_file = 1,
.audit_skip = 1,
.name = "FADVISE",
.prep = io_fadvise_prep,
.issue = io_fadvise,
},
[IORING_OP_MADVISE] = {
.name = "MADVISE",
.prep = io_madvise_prep,
.issue = io_madvise,
},
@ -8537,6 +8469,7 @@ static const struct io_op_def io_op_defs[] = {
.pollout = 1,
.audit_skip = 1,
.ioprio = 1,
.name = "SEND",
#if defined(CONFIG_NET)
.prep = io_sendmsg_prep,
.issue = io_send,
@ -8551,6 +8484,7 @@ static const struct io_op_def io_op_defs[] = {
.buffer_select = 1,
.audit_skip = 1,
.ioprio = 1,
.name = "RECV",
#if defined(CONFIG_NET)
.prep = io_recvmsg_prep,
.issue = io_recv,
@ -8559,6 +8493,7 @@ static const struct io_op_def io_op_defs[] = {
#endif
},
[IORING_OP_OPENAT2] = {
.name = "OPENAT2",
.prep = io_openat2_prep,
.issue = io_openat2,
.cleanup = io_open_cleanup,
@ -8566,6 +8501,7 @@ static const struct io_op_def io_op_defs[] = {
[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,
@ -8578,18 +8514,21 @@ static 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,
},
[IORING_OP_REMOVE_BUFFERS] = {
.audit_skip = 1,
.iopoll = 1,
.name = "REMOVE_BUFFERS",
.prep = io_remove_buffers_prep,
.issue = io_remove_buffers,
},
@ -8598,11 +8537,13 @@ static const struct io_op_def io_op_defs[] = {
.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,
@ -8611,26 +8552,31 @@ static 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,
@ -8638,33 +8584,39 @@ static const struct io_op_def io_op_defs[] = {
[IORING_OP_MSG_RING] = {
.needs_file = 1,
.iopoll = 1,
.name = "MSG_RING",
.prep = io_msg_ring_prep,
.issue = io_msg_ring,
},
[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,
@ -8675,6 +8627,7 @@ static const struct io_op_def io_op_defs[] = {
[IORING_OP_URING_CMD] = {
.needs_file = 1,
.plug = 1,
.name = "URING_CMD",
.async_size = uring_cmd_pdu_size(1),
.prep = io_uring_cmd_prep,
.issue = io_uring_cmd,
@ -8752,6 +8705,7 @@ static int __init io_uring_init(void)
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);
}
req_cachep = KMEM_CACHE(io_kiocb, SLAB_HWCACHE_ALIGN | SLAB_PANIC |