diff options
Diffstat (limited to 'drivers/xen/grant-dma-ops.c')
| -rw-r--r-- | drivers/xen/grant-dma-ops.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/xen/grant-dma-ops.c b/drivers/xen/grant-dma-ops.c index fc0142484001..8973fc1e9ccc 100644 --- a/drivers/xen/grant-dma-ops.c +++ b/drivers/xen/grant-dma-ops.c @@ -12,6 +12,8 @@ #include <linux/of.h> #include <linux/pfn.h> #include <linux/xarray.h> +#include <linux/virtio_anchor.h> +#include <linux/virtio.h> #include <xen/xen.h> #include <xen/xen-ops.h> #include <xen/grant_table.h> @@ -287,6 +289,14 @@ bool xen_is_grant_dma_device(struct device *dev) return has_iommu; } +bool xen_virtio_mem_acc(struct virtio_device *dev) +{ + if (IS_ENABLED(CONFIG_XEN_VIRTIO_FORCE_GRANT)) + return true; + + return xen_is_grant_dma_device(dev->dev.parent); +} + void xen_grant_setup_dma_ops(struct device *dev) { struct xen_grant_dma_data *data; |