diff options
Diffstat (limited to 'io_uring/query.c')
| -rw-r--r-- | io_uring/query.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/io_uring/query.c b/io_uring/query.c index e1435cdc2665..e61b6221f87f 100644 --- a/io_uring/query.c +++ b/io_uring/query.c @@ -4,9 +4,12 @@ #include "query.h" #include "io_uring.h" +#include "zcrx.h" union io_query_data { struct io_uring_query_opcode opcodes; + struct io_uring_query_zcrx zcrx; + struct io_uring_query_scq scq; }; #define IO_MAX_QUERY_SIZE sizeof(union io_query_data) @@ -27,6 +30,29 @@ static ssize_t io_query_ops(union io_query_data *data) return sizeof(*e); } +static ssize_t io_query_zcrx(union io_query_data *data) +{ + struct io_uring_query_zcrx *e = &data->zcrx; + + e->register_flags = ZCRX_REG_IMPORT; + e->area_flags = IORING_ZCRX_AREA_DMABUF; + e->nr_ctrl_opcodes = __ZCRX_CTRL_LAST; + e->rq_hdr_size = sizeof(struct io_uring); + e->rq_hdr_alignment = L1_CACHE_BYTES; + e->__resv1 = 0; + e->__resv2 = 0; + return sizeof(*e); +} + +static ssize_t io_query_scq(union io_query_data *data) +{ + struct io_uring_query_scq *e = &data->scq; + + e->hdr_size = sizeof(struct io_rings); + e->hdr_alignment = SMP_CACHE_BYTES; + return sizeof(*e); +} + static int io_handle_query_entry(struct io_ring_ctx *ctx, union io_query_data *data, void __user *uhdr, u64 *next_entry) @@ -55,6 +81,12 @@ static int io_handle_query_entry(struct io_ring_ctx *ctx, case IO_URING_QUERY_OPCODES: ret = io_query_ops(data); break; + case IO_URING_QUERY_ZCRX: + ret = io_query_zcrx(data); + break; + case IO_URING_QUERY_SCQ: + ret = io_query_scq(data); + break; } if (ret >= 0) { |