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authorRichard Henderson <richard.henderson@linaro.org>2023-07-04 18:40:13 +0200
committerRichard Henderson <richard.henderson@linaro.org>2023-07-04 18:40:13 +0200
commit0618e72d64e434dd6f1bc38b107670474c49fb86 (patch)
treef170415e38b2b4967396ce440291501155cef785
parent2a6ae69154542caa91dd17c40fd3f5ffbec300de (diff)
parentc21eae1ccc782440f320accb6f90c66cb8f45ee9 (diff)
Merge tag 'block-pull-request' of https://gitlab.com/stefanha/qemu into staging
Pull request Fix --enable-modules with the blkio block driver. # -----BEGIN PGP SIGNATURE----- # # iQEzBAABCAAdFiEEhpWov9P5fNqsNXdanKSrs4Grc8gFAmSkOtQACgkQnKSrs4Gr # c8ipnQgAqrcwgJliN9wMopm5bFEiHkAppvGz/+qliEpQI5X7xt+YGhcEx7O7ZNMu # uSz47y5uQwNNbh4HA51gUkSopAcfH2FP8rD/FH5x7D7mmR3M61AH5LEzzlBbnneW # ZtuGSNIvV23mTlQOHqNOGQxV9k3QGrXfxQz0Hy4NKP6jiC1zNdAsCXC8dj9Fda+M # nobFXe21qhm0YHYGVgLurbjlTY3aBxL3SOSG550OjQT1Prpi+rw26aK0Gtg1jWL/ # ynGEgxgUjvO2uqZk71NN5Xr6CLe/SLO9cdIeuhwXffna5uf80S254fMhr9Yr1h52 # P5UFi4iQZi//fprGD72a6eyogdSzUg== # =USrv # -----END PGP SIGNATURE----- # gpg: Signature made Tue 04 Jul 2023 05:29:24 PM CEST # gpg: using RSA key 8695A8BFD3F97CDAAC35775A9CA4ABB381AB73C8 # gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" [full] # gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>" [full] * tag 'block-pull-request' of https://gitlab.com/stefanha/qemu: block/blkio: fix module_block.py parsing Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
-rw-r--r--block/blkio.c116
1 files changed, 60 insertions, 56 deletions
diff --git a/block/blkio.c b/block/blkio.c
index 527323d625..1798648134 100644
--- a/block/blkio.c
+++ b/block/blkio.c
@@ -23,16 +23,6 @@
#include "block/block-io.h"
/*
- * Keep the QEMU BlockDriver names identical to the libblkio driver names.
- * Using macros instead of typing out the string literals avoids typos.
- */
-#define DRIVER_IO_URING "io_uring"
-#define DRIVER_NVME_IO_URING "nvme-io_uring"
-#define DRIVER_VIRTIO_BLK_VFIO_PCI "virtio-blk-vfio-pci"
-#define DRIVER_VIRTIO_BLK_VHOST_USER "virtio-blk-vhost-user"
-#define DRIVER_VIRTIO_BLK_VHOST_VDPA "virtio-blk-vhost-vdpa"
-
-/*
* Allocated bounce buffers are kept in a list sorted by buffer address.
*/
typedef struct BlkioBounceBuf {
@@ -744,15 +734,15 @@ static int blkio_file_open(BlockDriverState *bs, QDict *options, int flags,
return ret;
}
- if (strcmp(blkio_driver, DRIVER_IO_URING) == 0) {
+ if (strcmp(blkio_driver, "io_uring") == 0) {
ret = blkio_io_uring_open(bs, options, flags, errp);
- } else if (strcmp(blkio_driver, DRIVER_NVME_IO_URING) == 0) {
+ } else if (strcmp(blkio_driver, "nvme-io_uring") == 0) {
ret = blkio_nvme_io_uring(bs, options, flags, errp);
- } else if (strcmp(blkio_driver, DRIVER_VIRTIO_BLK_VFIO_PCI) == 0) {
+ } else if (strcmp(blkio_driver, "virtio-blk-vfio-pci") == 0) {
ret = blkio_virtio_blk_common_open(bs, options, flags, errp);
- } else if (strcmp(blkio_driver, DRIVER_VIRTIO_BLK_VHOST_USER) == 0) {
+ } else if (strcmp(blkio_driver, "virtio-blk-vhost-user") == 0) {
ret = blkio_virtio_blk_common_open(bs, options, flags, errp);
- } else if (strcmp(blkio_driver, DRIVER_VIRTIO_BLK_VHOST_VDPA) == 0) {
+ } else if (strcmp(blkio_driver, "virtio-blk-vhost-vdpa") == 0) {
ret = blkio_virtio_blk_common_open(bs, options, flags, errp);
} else {
g_assert_not_reached();
@@ -1028,49 +1018,63 @@ static void blkio_refresh_limits(BlockDriverState *bs, Error **errp)
* - truncate
*/
-#define BLKIO_DRIVER(name, ...) \
- { \
- .format_name = name, \
- .protocol_name = name, \
- .instance_size = sizeof(BDRVBlkioState), \
- .bdrv_file_open = blkio_file_open, \
- .bdrv_close = blkio_close, \
- .bdrv_co_getlength = blkio_co_getlength, \
- .bdrv_co_truncate = blkio_truncate, \
- .bdrv_co_get_info = blkio_co_get_info, \
- .bdrv_attach_aio_context = blkio_attach_aio_context, \
- .bdrv_detach_aio_context = blkio_detach_aio_context, \
- .bdrv_co_pdiscard = blkio_co_pdiscard, \
- .bdrv_co_preadv = blkio_co_preadv, \
- .bdrv_co_pwritev = blkio_co_pwritev, \
- .bdrv_co_flush_to_disk = blkio_co_flush, \
- .bdrv_co_pwrite_zeroes = blkio_co_pwrite_zeroes, \
- .bdrv_refresh_limits = blkio_refresh_limits, \
- .bdrv_register_buf = blkio_register_buf, \
- .bdrv_unregister_buf = blkio_unregister_buf, \
- __VA_ARGS__ \
- }
-
-static BlockDriver bdrv_io_uring = BLKIO_DRIVER(
- DRIVER_IO_URING,
- .bdrv_needs_filename = true,
-);
-
-static BlockDriver bdrv_nvme_io_uring = BLKIO_DRIVER(
- DRIVER_NVME_IO_URING,
-);
-
-static BlockDriver bdrv_virtio_blk_vfio_pci = BLKIO_DRIVER(
- DRIVER_VIRTIO_BLK_VFIO_PCI
-);
+/*
+ * Do not include .format_name and .protocol_name because module_block.py
+ * does not parse macros in the source code.
+ */
+#define BLKIO_DRIVER_COMMON \
+ .instance_size = sizeof(BDRVBlkioState), \
+ .bdrv_file_open = blkio_file_open, \
+ .bdrv_close = blkio_close, \
+ .bdrv_co_getlength = blkio_co_getlength, \
+ .bdrv_co_truncate = blkio_truncate, \
+ .bdrv_co_get_info = blkio_co_get_info, \
+ .bdrv_attach_aio_context = blkio_attach_aio_context, \
+ .bdrv_detach_aio_context = blkio_detach_aio_context, \
+ .bdrv_co_pdiscard = blkio_co_pdiscard, \
+ .bdrv_co_preadv = blkio_co_preadv, \
+ .bdrv_co_pwritev = blkio_co_pwritev, \
+ .bdrv_co_flush_to_disk = blkio_co_flush, \
+ .bdrv_co_pwrite_zeroes = blkio_co_pwrite_zeroes, \
+ .bdrv_refresh_limits = blkio_refresh_limits, \
+ .bdrv_register_buf = blkio_register_buf, \
+ .bdrv_unregister_buf = blkio_unregister_buf,
-static BlockDriver bdrv_virtio_blk_vhost_user = BLKIO_DRIVER(
- DRIVER_VIRTIO_BLK_VHOST_USER
-);
+/*
+ * Use the same .format_name and .protocol_name as the libblkio driver name for
+ * consistency.
+ */
-static BlockDriver bdrv_virtio_blk_vhost_vdpa = BLKIO_DRIVER(
- DRIVER_VIRTIO_BLK_VHOST_VDPA
-);
+static BlockDriver bdrv_io_uring = {
+ .format_name = "io_uring",
+ .protocol_name = "io_uring",
+ .bdrv_needs_filename = true,
+ BLKIO_DRIVER_COMMON
+};
+
+static BlockDriver bdrv_nvme_io_uring = {
+ .format_name = "nvme-io_uring",
+ .protocol_name = "nvme-io_uring",
+ BLKIO_DRIVER_COMMON
+};
+
+static BlockDriver bdrv_virtio_blk_vfio_pci = {
+ .format_name = "virtio-blk-vfio-pci",
+ .protocol_name = "virtio-blk-vfio-pci",
+ BLKIO_DRIVER_COMMON
+};
+
+static BlockDriver bdrv_virtio_blk_vhost_user = {
+ .format_name = "virtio-blk-vhost-user",
+ .protocol_name = "virtio-blk-vhost-user",
+ BLKIO_DRIVER_COMMON
+};
+
+static BlockDriver bdrv_virtio_blk_vhost_vdpa = {
+ .format_name = "virtio-blk-vhost-vdpa",
+ .protocol_name = "virtio-blk-vhost-vdpa",
+ BLKIO_DRIVER_COMMON
+};
static void bdrv_blkio_init(void)
{