The simulator behaves like a ramdisk, so we don't have to do anything when a VIRTIO_BLK_T_FLUSH request is received, but it could be useful to test driver behavior. Let's expose the VIRTIO_BLK_F_FLUSH feature to inform the driver that we support the flush command. Signed-off-by: Stefano Garzarella <sgarzare@xxxxxxxxxx> --- drivers/vdpa/vdpa_sim/vdpa_sim_blk.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim_blk.c b/drivers/vdpa/vdpa_sim/vdpa_sim_blk.c index 24dd9cae6450..1f18f336cf0c 100644 --- a/drivers/vdpa/vdpa_sim/vdpa_sim_blk.c +++ b/drivers/vdpa/vdpa_sim/vdpa_sim_blk.c @@ -25,6 +25,7 @@ #define DRV_LICENSE "GPL v2" #define VDPASIM_BLK_FEATURES (VDPASIM_FEATURES | \ + (1ULL << VIRTIO_BLK_F_FLUSH) | \ (1ULL << VIRTIO_BLK_F_SIZE_MAX) | \ (1ULL << VIRTIO_BLK_F_SEG_MAX) | \ (1ULL << VIRTIO_BLK_F_BLK_SIZE) | \ @@ -188,6 +189,10 @@ static bool vdpasim_blk_handle_req(struct vdpasim *vdpasim, pushed += bytes; break; + case VIRTIO_BLK_T_FLUSH: + /* nothing to do */ + break; + default: dev_dbg(&vdpasim->vdpa.dev, "Unsupported request type %d\n", type); -- 2.37.1 _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization