diff options
Diffstat (limited to 'tools/virtio/linux/virtio_config.h')
| -rw-r--r-- | tools/virtio/linux/virtio_config.h | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/tools/virtio/linux/virtio_config.h b/tools/virtio/linux/virtio_config.h index dbf14c1e2188..42a564f22f2d 100644 --- a/tools/virtio/linux/virtio_config.h +++ b/tools/virtio/linux/virtio_config.h @@ -1,8 +1,15 @@ /* SPDX-License-Identifier: GPL-2.0 */ +#ifndef LINUX_VIRTIO_CONFIG_H +#define LINUX_VIRTIO_CONFIG_H #include <linux/virtio_byteorder.h> #include <linux/virtio.h> #include <uapi/linux/virtio_config.h> +struct virtio_config_ops { + int (*disable_vq_and_reset)(struct virtqueue *vq); + int (*enable_vq_after_reset)(struct virtqueue *vq); +}; + /* * __virtio_test_bit - helper to test feature bits. For use by transports. * Devices should normally use virtio_has_feature, @@ -42,16 +49,16 @@ static inline void __virtio_clear_bit(struct virtio_device *vdev, (__virtio_test_bit((dev), feature)) /** - * virtio_has_iommu_quirk - determine whether this device has the iommu quirk + * virtio_has_dma_quirk - determine whether this device has the DMA quirk * @vdev: the device */ -static inline bool virtio_has_iommu_quirk(const struct virtio_device *vdev) +static inline bool virtio_has_dma_quirk(const struct virtio_device *vdev) { /* * Note the reverse polarity of the quirk feature (compared to most * other features), this is for compatibility with legacy systems. */ - return !virtio_has_feature(vdev, VIRTIO_F_IOMMU_PLATFORM); + return !virtio_has_feature(vdev, VIRTIO_F_ACCESS_PLATFORM); } static inline bool virtio_is_little_endian(struct virtio_device *vdev) @@ -90,3 +97,5 @@ static inline __virtio64 cpu_to_virtio64(struct virtio_device *vdev, u64 val) { return __cpu_to_virtio64(virtio_is_little_endian(vdev), val); } + +#endif |