Pull virtio updates from Michael Tsirkin: "vhost,virtio,vdpa: features, fixes, cleanups. vdpa/mlx5: - VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK - new maintainer vdpa: - support for vq descriptor mappings - decouple reset of iotlb mapping from device reset and fixes, cleanups all over the place" * tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (34 commits) vdpa_sim: implement .reset_map support vdpa/mlx5: implement .reset_map driver op vhost-vdpa: clean iotlb map during reset for older userspace vdpa: introduce .compat_reset operation callback vhost-vdpa: introduce IOTLB_PERSIST backend feature bit vhost-vdpa: reset vendor specific mapping to initial state in .release vdpa: introduce .reset_map operation callback virtio_pci: add check for common cfg size virtio-blk: fix implicit overflow on virtio_max_dma_size virtio_pci: add build offset check for the new common cfg items virtio: add definition of VIRTIO_F_NOTIF_CONFIG_DATA feature bit vduse: make vduse_class constant vhost-scsi: Spelling s/preceeding/preceding/g virtio: kdoc for struct virtio_pci_modern_device vdpa: Update sysfs ABI documentation MAINTAINERS: Add myself as mlx5_vdpa driver virtio-balloon: correct the comment of virtballoon_migratepage() mlx5_vdpa: offer VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK vdpa/mlx5: Update cvq iotlb mapping on ASID change vdpa/mlx5: Make iotlb helper functions more generic ...
Showing the changes to include/uapi/linux (3 of 22 files). Show all
Unified · Split
| @@ -219,4 +219,12 @@ · 218 unmodified lines | |||
| 219 | */ | 219 | */ |
| 220 | #define VHOST_VDPA_RESUME _IO(VHOST_VIRTIO, 0x7E) | 220 | #define VHOST_VDPA_RESUME _IO(VHOST_VIRTIO, 0x7E) |
| 221 | 221 | ||
| 222 | /* Get the group for the descriptor table including driver & device areas | ||
| 223 | * of a virtqueue: read index, write group in num. | ||
| 224 | * The virtqueue index is stored in the index field of vhost_vring_state. | ||
| 225 | * The group ID of the descriptor table for this specific virtqueue | ||
| 226 | * is returned via num field of vhost_vring_state. | ||
| 227 | */ | ||
| 228 | #define VHOST_VDPA_GET_VRING_DESC_GROUP _IOWR(VHOST_VIRTIO, 0x7F, \ | ||
| 229 | struct vhost_vring_state) | ||
| 222 | #endif | 230 | #endif |
| @@ -185,5 +185,12 @@ struct vhost_vdpa_iova_range { · 184 unmodified lines | |||
| 185 | * DRIVER_OK | 185 | * DRIVER_OK |
| 186 | */ | 186 | */ |
| 187 | #define VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK 0x6 | 187 | #define VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK 0x6 |
| 188 | /* Device may expose the virtqueue's descriptor area, driver area and | ||
| 189 | * device area to a different group for ASID binding than where its | ||
| 190 | * buffers may reside. Requires VHOST_BACKEND_F_IOTLB_ASID. | ||
| 191 | */ | ||
| 192 | #define VHOST_BACKEND_F_DESC_ASID 0x7 | ||
| 193 | /* IOTLB don't flush memory mapping across device reset */ | ||
| 194 | #define VHOST_BACKEND_F_IOTLB_PERSIST 0x8 | ||
| 188 | 195 | ||
| 189 | #endif | 196 | #endif |
| @@ -105,6 +105,11 @@ · 104 unmodified lines | |||
| 105 | */ | 105 | */ |
| 106 | #define VIRTIO_F_NOTIFICATION_DATA 38 | 106 | #define VIRTIO_F_NOTIFICATION_DATA 38 |
| 107 | 107 | ||
| 108 | /* This feature indicates that the driver uses the data provided by the device | ||
| 109 | * as a virtqueue identifier in available buffer notifications. | ||
| 110 | */ | ||
| 111 | #define VIRTIO_F_NOTIF_CONFIG_DATA 39 | ||
| 112 | |||
| 108 | /* | 113 | /* |
| 109 | * This feature indicates that the driver can reset a queue individually. | 114 | * This feature indicates that the driver can reset a queue individually. |
| 110 | */ | 115 | */ |