#define VRING_DESC_F_WRITE 2
/* This means the buffer contains a list of buffer descriptors. */
#define VRING_DESC_F_INDIRECT 4
+
/* This flag means the descriptor was made available by the driver */
-#define VRING_DESC_F_AVAIL(b) ((uint16_t)(b) << 7)
+#define VRING_PACKED_DESC_F_AVAIL (1 << 7)
/* This flag means the descriptor was used by the device */
-#define VRING_DESC_F_USED(b) ((uint16_t)(b) << 15)
+#define VRING_PACKED_DESC_F_USED (1 << 15)
+
+/* Frequently used combinations */
+#define VRING_PACKED_DESC_F_AVAIL_USED (VRING_PACKED_DESC_F_AVAIL | \
+ VRING_PACKED_DESC_F_USED)
/* The Host uses this in used->flags to advise the Guest: don't kick me
* when you add a buffer. It's unreliable, so it's simply an
struct vring_used {
uint16_t flags;
- volatile uint16_t idx;
+ uint16_t idx;
struct vring_used_elem ring[0];
};
{
size_t size;
- if (vtpci_packed_queue(hw)) {
+ if (virtio_with_packed_queue(hw)) {
size = num * sizeof(struct vring_packed_desc);
size += sizeof(struct vring_packed_desc_event);
size = RTE_ALIGN_CEIL(size, align);