diff options
| -rw-r--r-- | include/linux/io_uring/cmd.h | 13 | ||||
| -rw-r--r-- | io_uring/uring_cmd.c | 19 | ||||
| -rw-r--r-- | io_uring/uring_cmd.h | 6 |
3 files changed, 38 insertions, 0 deletions
diff --git a/include/linux/io_uring/cmd.h b/include/linux/io_uring/cmd.h index 598cacda4aa3..e6723fa95160 100644 --- a/include/linux/io_uring/cmd.h +++ b/include/linux/io_uring/cmd.h @@ -43,6 +43,11 @@ int io_uring_cmd_import_fixed(u64 ubuf, unsigned long len, int rw, struct iov_iter *iter, struct io_uring_cmd *ioucmd, unsigned int issue_flags); +int io_uring_cmd_import_fixed_vec(struct io_uring_cmd *ioucmd, + const struct iovec __user *uvec, + size_t uvec_segs, + int ddir, struct iov_iter *iter, + unsigned issue_flags); /* * Completes the request, i.e. posts an io_uring CQE and deallocates @ioucmd @@ -76,6 +81,14 @@ io_uring_cmd_import_fixed(u64 ubuf, unsigned long len, int rw, { return -EOPNOTSUPP; } +static inline int io_uring_cmd_import_fixed_vec(struct io_uring_cmd *ioucmd, + const struct iovec __user *uvec, + size_t uvec_segs, + int ddir, struct iov_iter *iter, + unsigned issue_flags) +{ + return -EOPNOTSUPP; +} static inline void io_uring_cmd_done(struct io_uring_cmd *cmd, ssize_t ret, u64 ret2, unsigned issue_flags) { diff --git a/io_uring/uring_cmd.c b/io_uring/uring_cmd.c index 6a21cdaaf495..f2cfc371f3d0 100644 --- a/io_uring/uring_cmd.c +++ b/io_uring/uring_cmd.c @@ -277,6 +277,25 @@ int io_uring_cmd_import_fixed(u64 ubuf, unsigned long len, int rw, } EXPORT_SYMBOL_GPL(io_uring_cmd_import_fixed); +int io_uring_cmd_import_fixed_vec(struct io_uring_cmd *ioucmd, + const struct iovec __user *uvec, + size_t uvec_segs, + int ddir, struct iov_iter *iter, + unsigned issue_flags) +{ + struct io_kiocb *req = cmd_to_io_kiocb(ioucmd); + struct io_async_cmd *ac = req->async_data; + int ret; + + ret = io_prep_reg_iovec(req, &ac->vec, uvec, uvec_segs); + if (ret) + return ret; + + return io_import_reg_vec(ddir, iter, req, &ac->vec, uvec_segs, + issue_flags); +} +EXPORT_SYMBOL_GPL(io_uring_cmd_import_fixed_vec); + void io_uring_cmd_issue_blocking(struct io_uring_cmd *ioucmd) { struct io_kiocb *req = cmd_to_io_kiocb(ioucmd); diff --git a/io_uring/uring_cmd.h b/io_uring/uring_cmd.h index b45ec7cffcd1..14e525255854 100644 --- a/io_uring/uring_cmd.h +++ b/io_uring/uring_cmd.h @@ -16,3 +16,9 @@ bool io_uring_try_cancel_uring_cmd(struct io_ring_ctx *ctx, struct io_uring_task *tctx, bool cancel_all); void io_cmd_cache_free(const void *entry); + +int io_uring_cmd_import_fixed_vec(struct io_uring_cmd *ioucmd, + const struct iovec __user *uvec, + size_t uvec_segs, + int ddir, struct iov_iter *iter, + unsigned issue_flags); |