gve_queue Struct Reference

A descriptor queue. More...

#include <gve.h>

Data Fields
union {
union {
struct gve_gqi_tx_descriptor *   gqi
	In-order transmit descriptors. More...
struct gve_dqo_tx_descriptor *   dqo
	Out-of-order transmit descriptors. More...
}   tx
	Transmit descriptors. More...
union {
struct gve_gqi_rx_descriptor *   gqi
	In-order receive descriptors. More...
struct gve_dqo_rx_descriptor *   dqo
	Out-of-order receive descriptors. More...
}   rx
	Receive descriptors. More...
void *   raw
	Raw data. More...
}	desc
	Descriptor ring.
union {
union {
struct gve_dqo_tx_completion *   dqo
	Out-of-order transmit completions. More...
}   tx
	Transmit completions. More...
union {
struct gve_gqi_rx_completion *   gqi
	In-order receive completions. More...
struct gve_dqo_rx_completion *   dqo
	Out-of-order receive completions. More...
}   rx
	Receive completions. More...
void *   raw
	Raw data. More...
}	cmplt
	Completion ring.
struct gve_resources *	res
	Queue resources.
const struct gve_queue_type *	type
	Queue type.
struct gve_queue_stride	stride
	Queue strides.
unsigned int	count
	Number of descriptors (must be a power of two)
unsigned int	fill
	Maximum fill level (must be a power of two)
struct dma_mapping	desc_map
	Descriptor mapping.
struct dma_mapping	cmplt_map
	Completion mapping.
struct dma_mapping	res_map
	Queue resources mapping.
volatile uint32_t *	db
	Doorbell register.
struct gve_event *	event
	Event counter.
uint32_t	prod
	Producer counter.
uint32_t	cons
	Consumer counter.
uint32_t	done
	Completion counter.
uint8_t *	tag
	Tag ring.
struct gve_qpl	qpl
	Queue page list.

Detailed Description

A descriptor queue.

Definition at line 738 of file gve.h.

Field Documentation

gqi [1/3]

struct gve_gqi_tx_descriptor* gve_queue::gqi

In-order transmit descriptors.

Definition at line 744 of file gve.h.

dqo [1/4]

struct gve_dqo_tx_descriptor* gve_queue::dqo

Out-of-order transmit descriptors.

Definition at line 746 of file gve.h.

[union] [1/2]

union { ... } gve_queue::tx

Transmit descriptors.

gqi [2/3]

struct gve_gqi_rx_descriptor* gve_queue::gqi

In-order receive descriptors.

Definition at line 751 of file gve.h.

dqo [2/4]

struct gve_dqo_rx_descriptor* gve_queue::dqo

Out-of-order receive descriptors.

Definition at line 753 of file gve.h.

[union] [1/2]

union { ... } gve_queue::rx

Receive descriptors.

raw

void* gve_queue::raw

Raw data.

Definition at line 756 of file gve.h.

[union]

union { ... } gve_queue::desc

Descriptor ring.

dqo [3/4]

struct gve_dqo_tx_completion* gve_queue::dqo

Out-of-order transmit completions.

Definition at line 763 of file gve.h.

[union] [2/2]

union { ... } gve_queue::tx

Transmit completions.

gqi [3/3]

struct gve_gqi_rx_completion* gve_queue::gqi

In-order receive completions.

Definition at line 768 of file gve.h.

dqo [4/4]

struct gve_dqo_rx_completion* gve_queue::dqo

Out-of-order receive completions.

Definition at line 770 of file gve.h.

[union] [2/2]

union { ... } gve_queue::rx

Receive completions.

[union]

union { ... } gve_queue::cmplt

Completion ring.

res

struct gve_resources* gve_queue::res

Queue resources.

Definition at line 776 of file gve.h.

type

const struct gve_queue_type* gve_queue::type

Queue type.

Definition at line 779 of file gve.h.

Referenced by gve_probe().

stride

struct gve_queue_stride gve_queue::stride

Queue strides.

Definition at line 781 of file gve.h.

count

unsigned int gve_queue::count

Number of descriptors (must be a power of two)

Definition at line 783 of file gve.h.

Referenced by gve_describe().

fill

unsigned int gve_queue::fill

Maximum fill level (must be a power of two)

Definition at line 785 of file gve.h.

desc_map

struct dma_mapping gve_queue::desc_map

Descriptor mapping.

Definition at line 788 of file gve.h.

cmplt_map

struct dma_mapping gve_queue::cmplt_map

Completion mapping.

Definition at line 790 of file gve.h.

res_map

struct dma_mapping gve_queue::res_map

Queue resources mapping.

Definition at line 792 of file gve.h.

db

volatile uint32_t* gve_queue::db

Doorbell register.

Definition at line 795 of file gve.h.

event

struct gve_event* gve_queue::event

Event counter.

Definition at line 797 of file gve.h.

prod

uint32_t gve_queue::prod

Producer counter.

Definition at line 800 of file gve.h.

cons

uint32_t gve_queue::cons

Consumer counter.

Definition at line 802 of file gve.h.

Referenced by gve_watchdog().

done

uint32_t gve_queue::done

Completion counter.

Definition at line 804 of file gve.h.

tag

uint8_t* gve_queue::tag

Tag ring.

Definition at line 806 of file gve.h.

Referenced by gve_probe().

qpl

struct gve_qpl gve_queue::qpl

Queue page list.

Definition at line 809 of file gve.h.

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

• drivers/net/gve.h