A virtio queue. More...

#include <virtio.h>

Data Fields
unsigned int	index
	Queue index.
unsigned int	count
	Queue size (must be a power of two).
unsigned int	mask
	Queue mask.
unsigned int	prod
	Submission queue producer index.
unsigned int	cons
	Completion queue consumer index.
size_t	len
	Total length of queue.
struct dma_mapping	map
	DMA mapping.
struct virtio_desc *	desc
	Descriptor array (and start of DMA allocation).
struct virtio_sq *	sq
	Submission queue.
struct virtio_cq *	cq
	Completion queue.
void *	db
	Notification doorbell.

Detailed Description

A virtio queue.

Definition at line 207 of file virtio.h.

Field Documentation

◆ index

unsigned int virtio_queue::index

Queue index.

Definition at line 209 of file virtio.h.

◆ count

unsigned int virtio_queue::count

Queue size (must be a power of two).

Definition at line 211 of file virtio.h.

◆ mask

unsigned int virtio_queue::mask

Queue mask.

Definition at line 213 of file virtio.h.

◆ prod

unsigned int virtio_queue::prod

Submission queue producer index.

Definition at line 215 of file virtio.h.

◆ cons

unsigned int virtio_queue::cons

Completion queue consumer index.

Definition at line 217 of file virtio.h.

◆ len

size_t virtio_queue::len

Total length of queue.

Definition at line 219 of file virtio.h.

◆ map

struct dma_mapping virtio_queue::map

DMA mapping.

Definition at line 221 of file virtio.h.

◆ desc

struct virtio_desc* virtio_queue::desc

Descriptor array (and start of DMA allocation).

Definition at line 223 of file virtio.h.

◆ sq

struct virtio_sq* virtio_queue::sq

Submission queue.

Definition at line 225 of file virtio.h.

◆ cq

struct virtio_cq* virtio_queue::cq

Completion queue.

Definition at line 227 of file virtio.h.

◆ db

void* virtio_queue::db

Notification doorbell.

Definition at line 229 of file virtio.h.

The documentation for this struct was generated from the following file:

include/ipxe/virtio.h

Data Fields