diff options
Diffstat (limited to 'virtio_loopback.h')
| -rw-r--r-- | virtio_loopback.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/virtio_loopback.h b/virtio_loopback.h index 779da70..1bd2d79 100644 --- a/virtio_loopback.h +++ b/virtio_loopback.h @@ -155,7 +155,9 @@ /* Loopback negotiation code */ +#define PAGE_SHIFT 12 #define PAGE_SIZE 4096 + #define EFD_INIT _IOC(_IOC_WRITE, 'k', 1, sizeof(efd_data_t)) #define WAKEUP _IOC(_IOC_WRITE, 'k', 2, 0) #define START_LOOPBACK _IOC(_IOC_WRITE, 'k', 3, \ @@ -166,6 +168,7 @@ #define USED_INFO _IOC(_IOC_WRITE, 'k', 7, 0) #define DATA_INFO _IOC(_IOC_WRITE, 'k', 8, 0) #define MAP_BLK _IOC(_IOC_WRITE, 'k', 9, 0) +#define BARRIER _IOC(_IOC_WRITE, 'k', 10, 0) #define VIRTIO_PCI_VRING_ALIGN 4096 @@ -251,6 +254,10 @@ typedef struct VirtIOMMIOProxy { #define VRING_DESC_ALIGN_SIZE 16 /******************/ + +extern uint64_t vring_phys_addrs[2]; +extern uint32_t vring_phys_addrs_idx; + typedef struct VRing { unsigned int num; unsigned int num_default; @@ -355,6 +362,7 @@ typedef struct VirtioBus VirtioBus; typedef struct VirtIODevice { VirtioBus *vbus; VirtioDeviceClass *vdev_class; + struct vhost_dev *vhdev; const char *name; uint8_t status; uint8_t isr; @@ -369,6 +377,7 @@ typedef struct VirtIODevice { int nvectors; VirtQueue *vq; VirtQueue **vqs; + int *nvqs; uint16_t device_id; bool vm_running; bool broken; /* device in invalid state, needs reset */ @@ -549,6 +558,9 @@ typedef struct VirtioDeviceClass { */ int (*post_load)(VirtIODevice *vdev); bool (*primary_unplug_pending)(void *opaque); + + void (*update_mem_table)(VirtIODevice *vdev); + struct vhost_dev *(*get_vhost)(VirtIODevice *vdev); } VirtioDeviceClass; @@ -619,6 +631,7 @@ void virtio_notify(VirtIODevice *vdev, VirtQueue *vq); int virtqueue_split_read_next_desc(VirtIODevice *vdev, VRingDesc *desc, unsigned int max, unsigned int *next); void print_config(uint8_t *config); +uint32_t get_vqs_max_size(VirtIODevice *vdev); /* * Do we get callbacks when the ring is completely used, even if we've |