From 03d9e4c0dba9d1b5d0c532ac3518415466ebdf8f Mon Sep 17 00:00:00 2001 From: Alberto Faria Date: Fri, 28 Oct 2022 14:16:35 +0100 Subject: block/blkio: Add virtio-blk-vfio-pci BlockDriver libblkio 1.1.0 [1] introduces a virtio-blk-vfio-pci driver, which accesses a virtio-blk PCI device using VFIO. Add a corresponding BlockDriver. [1] https://gitlab.com/libblkio/libblkio/-/tree/v1.1.0 Signed-off-by: Alberto Faria Message-id: 20221028131635.710267-1-afaria@redhat.com Signed-off-by: Stefan Hajnoczi --- block/blkio.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'block') diff --git a/block/blkio.c b/block/blkio.c index 82f26ee..f55eb77 100644 --- a/block/blkio.c +++ b/block/blkio.c @@ -25,6 +25,7 @@ */ #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" @@ -704,6 +705,8 @@ static int blkio_file_open(BlockDriverState *bs, QDict *options, int flags, ret = blkio_io_uring_open(bs, options, flags, errp); } else if (strcmp(blkio_driver, 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) { + ret = blkio_virtio_blk_common_open(bs, options, flags, errp); } else if (strcmp(blkio_driver, 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) { @@ -989,6 +992,10 @@ static BlockDriver bdrv_nvme_io_uring = BLKIO_DRIVER( .bdrv_needs_filename = true, ); +static BlockDriver bdrv_virtio_blk_vfio_pci = BLKIO_DRIVER( + DRIVER_VIRTIO_BLK_VFIO_PCI +); + static BlockDriver bdrv_virtio_blk_vhost_user = BLKIO_DRIVER( DRIVER_VIRTIO_BLK_VHOST_USER ); @@ -1001,6 +1008,7 @@ static void bdrv_blkio_init(void) { bdrv_register(&bdrv_io_uring); bdrv_register(&bdrv_nvme_io_uring); + bdrv_register(&bdrv_virtio_blk_vfio_pci); bdrv_register(&bdrv_virtio_blk_vhost_user); bdrv_register(&bdrv_virtio_blk_vhost_vdpa); } -- cgit v1.1