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Diffstat (limited to 'include/hw/virtio/virtio.h')
-rw-r--r--include/hw/virtio/virtio.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h
index c8f7285..b3c74a1 100644
--- a/include/hw/virtio/virtio.h
+++ b/include/hw/virtio/virtio.h
@@ -35,6 +35,9 @@
(0x1ULL << VIRTIO_F_NOTIFY_ON_EMPTY) | \
(0x1ULL << VIRTIO_F_ANY_LAYOUT))
+#define LM_DISABLE 0x00
+#define LM_ENABLE 0x01
+
struct VirtQueue;
static inline hwaddr vring_align(hwaddr addr,
@@ -95,6 +98,11 @@ enum virtio_device_endian {
VIRTIO_DEVICE_ENDIAN_BIG,
};
+typedef struct BitmapMemoryRegionCaches {
+ struct rcu_head rcu;
+ MemoryRegionCache bitmap;
+} BitmapMemoryRegionCaches;
+
/**
* struct VirtIODevice - common VirtIO structure
* @name: name of the device
@@ -128,6 +136,14 @@ struct VirtIODevice
uint32_t generation;
int nvectors;
VirtQueue *vq;
+ uint8_t lm_logging_ctrl;
+ uint32_t lm_base_addr_low;
+ uint32_t lm_base_addr_high;
+ uint32_t lm_end_addr_low;
+ uint32_t lm_end_addr_high;
+
+ BitmapMemoryRegionCaches *caches;
+
MemoryListener listener;
uint16_t device_id;
/* @vm_running: current VM running state via virtio_vmstate_change() */
@@ -379,8 +395,11 @@ hwaddr virtio_queue_get_desc_size(VirtIODevice *vdev, int n);
hwaddr virtio_queue_get_avail_size(VirtIODevice *vdev, int n);
hwaddr virtio_queue_get_used_size(VirtIODevice *vdev, int n);
unsigned int virtio_queue_get_last_avail_idx(VirtIODevice *vdev, int n);
+unsigned int virtio_queue_get_vring_states(VirtIODevice *vdev, int n);
void virtio_queue_set_last_avail_idx(VirtIODevice *vdev, int n,
unsigned int idx);
+void virtio_queue_set_vring_states(VirtIODevice *vdev, int n,
+ unsigned int idx);
void virtio_queue_restore_last_avail_idx(VirtIODevice *vdev, int n);
void virtio_queue_invalidate_signalled_used(VirtIODevice *vdev, int n);
void virtio_queue_update_used_idx(VirtIODevice *vdev, int n);