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Pull request 

Fix --enable-modules with the blkio block driver.
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Merge tag 'block-pull-request' of https://gitlab.com/stefanha/qemu into staging

Pull request

Fix --enable-modules with the blkio block driver.

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# 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>
This commit is contained in:
Richard Henderson 2023-07-04 18:40:13 +02:00
parent 2a6ae69154 c21eae1ccc
commit 0618e72d64
1 changed files with 56 additions and 52 deletions
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78
block/blkio.c
View File

@ -22,16 +22,6 @@
#include "block/block-io.h" #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. * Allocated bounce buffers are kept in a list sorted by buffer address.
*/ */
@ -744,15 +734,15 @@ static int blkio_file_open(BlockDriverState *bs, QDict *options, int flags,
return ret; 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); 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); 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); 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); 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); ret = blkio_virtio_blk_common_open(bs, options, flags, errp);
} else { } else {
g_assert_not_reached(); g_assert_not_reached();
@ -1028,10 +1018,11 @@ static void blkio_refresh_limits(BlockDriverState *bs, Error **errp)
* - truncate * - truncate
*/ */
#define BLKIO_DRIVER(name, ...) \ /*
{ \ * Do not include .format_name and .protocol_name because module_block.py
.format_name = name, \ * does not parse macros in the source code.
.protocol_name = name, \ */
#define BLKIO_DRIVER_COMMON \
.instance_size = sizeof(BDRVBlkioState), \ .instance_size = sizeof(BDRVBlkioState), \
.bdrv_file_open = blkio_file_open, \ .bdrv_file_open = blkio_file_open, \
.bdrv_close = blkio_close, \ .bdrv_close = blkio_close, \
@ -1047,30 +1038,43 @@ static void blkio_refresh_limits(BlockDriverState *bs, Error **errp)
.bdrv_co_pwrite_zeroes = blkio_co_pwrite_zeroes, \ .bdrv_co_pwrite_zeroes = blkio_co_pwrite_zeroes, \
.bdrv_refresh_limits = blkio_refresh_limits, \ .bdrv_refresh_limits = blkio_refresh_limits, \
.bdrv_register_buf = blkio_register_buf, \ .bdrv_register_buf = blkio_register_buf, \
.bdrv_unregister_buf = blkio_unregister_buf, \ .bdrv_unregister_buf = blkio_unregister_buf,
__VA_ARGS__ \
}
static BlockDriver bdrv_io_uring = BLKIO_DRIVER( /*
DRIVER_IO_URING, * Use the same .format_name and .protocol_name as the libblkio driver name for
* consistency.
*/
static BlockDriver bdrv_io_uring = {
.format_name = "io_uring",
.protocol_name = "io_uring",
.bdrv_needs_filename = true, .bdrv_needs_filename = true,
); BLKIO_DRIVER_COMMON
};
static BlockDriver bdrv_nvme_io_uring = BLKIO_DRIVER( static BlockDriver bdrv_nvme_io_uring = {
DRIVER_NVME_IO_URING, .format_name = "nvme-io_uring",
); .protocol_name = "nvme-io_uring",
BLKIO_DRIVER_COMMON
};
static BlockDriver bdrv_virtio_blk_vfio_pci = BLKIO_DRIVER( static BlockDriver bdrv_virtio_blk_vfio_pci = {
DRIVER_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 = BLKIO_DRIVER( static BlockDriver bdrv_virtio_blk_vhost_user = {
DRIVER_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 = BLKIO_DRIVER( static BlockDriver bdrv_virtio_blk_vhost_vdpa = {
DRIVER_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) static void bdrv_blkio_init(void)
{ {