pci.h File Reference

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Data Structures
struct	virtio_pci_cap_t
struct	virtio_pci_notify_cap_t
struct	virtio_pci_common_cfg_t
struct	virtio_net_config_t
struct	virtio_ctrl_msg_t
struct	virtio_pci_create_if_args_t

Macros
#define	VIRTIO_PCI_ABI_VERSION   0
#define	VIRTIO_ID_NETWORK   0x01
#define	VIRTIO_MSI_NO_VECTOR   0xFFFF
#define	VIRTIO_PCI_ISR_INTR   0x1
#define	VIRTIO_PCI_ISR_CONFIG   0x2
#define	foreach_virtio_config_status_flags
#define	VIRTIO_NET_S_LINK_UP   1 /* Link is up */
#define	VIRTIO_NET_S_ANNOUNCE   2 /* Announcement is needed */
#define	VIRTIO_NET_OK   0
#define	VIRTIO_NET_ERR   1
#define	VIRTIO_NET_CTRL_MQ   4
#define	VIRTIO_NET_CTRL_MQ_VQ_PAIRS_SET   0
#define	VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MIN   1
#define	VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MAX   0x8000
#define	VIRTIO_NET_CTRL_GUEST_OFFLOADS   5
#define	VIRTIO_NET_CTRL_GUEST_OFFLOADS_SET   0
#define	VIRTIO_PCI_CAP_COMMON_CFG   1
#define	VIRTIO_PCI_CAP_NOTIFY_CFG   2
#define	VIRTIO_PCI_CAP_ISR_CFG   3
#define	VIRTIO_PCI_CAP_DEVICE_CFG   4
#define	VIRTIO_PCI_CAP_PCI_CFG   5
#define	VIRTIO_PCI_QUEUE_ADDR_SHIFT   12
#define	VIRTIO_PCI_VRING_ALIGN   4096
#define	foreach_virtio_flags

Typedefs
typedef u8	virtio_net_ctrl_ack_t
typedef struct _virtio_pci_func	virtio_pci_func_t

Enumerations
enum	virtio_config_status_flags_t { foreach_virtio_config_status_flags }
enum	virtio_msix_status_t { VIRTIO_MSIX_NONE = 0, VIRTIO_MSIX_DISABLED = 1, VIRTIO_MSIX_ENABLED = 2 }
enum	virtio_flag_t { foreach_virtio_flags }

Functions
typedef	CLIB_PACKED (struct { u8 class;u8 cmd;}) virtio_net_ctrl_hdr_t
void	device_status (vlib_main_t *vm, virtio_if_t *vif)
void	virtio_pci_create_if (vlib_main_t *vm, virtio_pci_create_if_args_t *args)
int	virtio_pci_delete_if (vlib_main_t *vm, virtio_if_t *ad)
int	virtio_pci_enable_disable_offloads (vlib_main_t *vm, virtio_if_t *vif, int gso_enabled, int checksum_offload_enabled, int offloads_disabled)

Variables
const virtio_pci_func_t	virtio_pci_legacy_func
const virtio_pci_func_t	virtio_pci_modern_func

Macro Definition Documentation

foreach_virtio_config_status_flags

#define foreach_virtio_config_status_flags

Value:

_ (VIRTIO_CONFIG_STATUS_RESET, 0x00)            \
  _ (VIRTIO_CONFIG_STATUS_ACK, 0x01)            \
  _ (VIRTIO_CONFIG_STATUS_DRIVER, 0x02)         \
  _ (VIRTIO_CONFIG_STATUS_DRIVER_OK, 0x04)      \
  _ (VIRTIO_CONFIG_STATUS_FEATURES_OK, 0x08)    \
  _ (VIRTIO_CONFIG_STATUS_DEVICE_NEEDS_RESET, 0x40) \
  _ (VIRTIO_CONFIG_STATUS_FAILED, 0x80)

Definition at line 37 of file pci.h.

foreach_virtio_flags

#define foreach_virtio_flags

Value:

_ (GSO, 0)                  \
  _ (CSUM_OFFLOAD, 1)         \
  _ (GRO_COALESCE, 2)         \
  _ (PACKED, 3)               \
  _ (IN_ORDER, 4)             \
  _ (BUFFERING, 5)

Definition at line 215 of file pci.h.

VIRTIO_ID_NETWORK

#define VIRTIO_ID_NETWORK   0x01

Definition at line 23 of file pci.h.

VIRTIO_MSI_NO_VECTOR

#define VIRTIO_MSI_NO_VECTOR   0xFFFF

Definition at line 29 of file pci.h.

VIRTIO_NET_CTRL_GUEST_OFFLOADS

#define VIRTIO_NET_CTRL_GUEST_OFFLOADS   5

Definition at line 74 of file pci.h.

VIRTIO_NET_CTRL_GUEST_OFFLOADS_SET

#define VIRTIO_NET_CTRL_GUEST_OFFLOADS_SET   0

Definition at line 75 of file pci.h.

VIRTIO_NET_CTRL_MQ

#define VIRTIO_NET_CTRL_MQ   4

Definition at line 61 of file pci.h.

VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MAX

#define VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MAX   0x8000

Definition at line 64 of file pci.h.

VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MIN

#define VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MIN   1

Definition at line 63 of file pci.h.

VIRTIO_NET_CTRL_MQ_VQ_PAIRS_SET

#define VIRTIO_NET_CTRL_MQ_VQ_PAIRS_SET   0

Definition at line 62 of file pci.h.

VIRTIO_NET_ERR

#define VIRTIO_NET_ERR   1

Definition at line 58 of file pci.h.

VIRTIO_NET_OK

#define VIRTIO_NET_OK   0

Definition at line 57 of file pci.h.

VIRTIO_NET_S_ANNOUNCE

#define VIRTIO_NET_S_ANNOUNCE   2 /* Announcement is needed */

Definition at line 55 of file pci.h.

VIRTIO_NET_S_LINK_UP

#define VIRTIO_NET_S_LINK_UP   1 /* Link is up */

Definition at line 54 of file pci.h.

VIRTIO_PCI_ABI_VERSION

#define VIRTIO_PCI_ABI_VERSION   0

Definition at line 20 of file pci.h.

VIRTIO_PCI_CAP_COMMON_CFG

#define VIRTIO_PCI_CAP_COMMON_CFG   1

Definition at line 78 of file pci.h.

VIRTIO_PCI_CAP_DEVICE_CFG

#define VIRTIO_PCI_CAP_DEVICE_CFG   4

Definition at line 84 of file pci.h.

VIRTIO_PCI_CAP_ISR_CFG

#define VIRTIO_PCI_CAP_ISR_CFG   3

Definition at line 82 of file pci.h.

VIRTIO_PCI_CAP_NOTIFY_CFG

#define VIRTIO_PCI_CAP_NOTIFY_CFG   2

Definition at line 80 of file pci.h.

VIRTIO_PCI_CAP_PCI_CFG

#define VIRTIO_PCI_CAP_PCI_CFG   5

Definition at line 86 of file pci.h.

VIRTIO_PCI_ISR_CONFIG

#define VIRTIO_PCI_ISR_CONFIG   0x2

Definition at line 34 of file pci.h.

VIRTIO_PCI_ISR_INTR

#define VIRTIO_PCI_ISR_INTR   0x1

Definition at line 32 of file pci.h.

VIRTIO_PCI_QUEUE_ADDR_SHIFT

#define VIRTIO_PCI_QUEUE_ADDR_SHIFT   12

Definition at line 88 of file pci.h.

VIRTIO_PCI_VRING_ALIGN

#define VIRTIO_PCI_VRING_ALIGN   4096

Definition at line 90 of file pci.h.

Typedef Documentation

virtio_net_ctrl_ack_t

typedef u8 virtio_net_ctrl_ack_t

Definition at line 165 of file pci.h.

virtio_pci_func_t

typedef struct _virtio_pci_func virtio_pci_func_t

Enumeration Type Documentation

virtio_config_status_flags_t

enum virtio_config_status_flags_t

Enumerator
foreach_virtio_config_status_flags

Definition at line 46 of file pci.h.

virtio_flag_t

enum virtio_flag_t

Enumerator
foreach_virtio_flags

Definition at line 223 of file pci.h.

virtio_msix_status_t

enum virtio_msix_status_t

Enumerator
VIRTIO_MSIX_NONE
VIRTIO_MSIX_DISABLED
VIRTIO_MSIX_ENABLED

Definition at line 92 of file pci.h.

Function Documentation

CLIB_PACKED()

typedef CLIB_PACKED

(

struct { u8 class;u8 cmd;}

)

device_status()

void device_status ( vlib_main_t *  vm, virtio_if_t *  vif  )

inline

Definition at line 172 of file pci.c.

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virtio_pci_create_if()

void virtio_pci_create_if	(	vlib_main_t *	vm,
		virtio_pci_create_if_args_t *	args
	)

Definition at line 1348 of file pci.c.

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virtio_pci_delete_if()

int virtio_pci_delete_if	(	vlib_main_t *	vm,
		virtio_if_t *	ad
	)

Definition at line 1548 of file pci.c.

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virtio_pci_enable_disable_offloads()

int virtio_pci_enable_disable_offloads	(	vlib_main_t *	vm,
		virtio_if_t *	vif,
		int	gso_enabled,
		int	checksum_offload_enabled,
		int	offloads_disabled
	)

Definition at line 1630 of file pci.c.

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Variable Documentation

virtio_pci_legacy_func

const virtio_pci_func_t virtio_pci_legacy_func

Definition at line 360 of file virtio_pci_legacy.c.

virtio_pci_modern_func

const virtio_pci_func_t virtio_pci_modern_func

Definition at line 420 of file virtio_pci_modern.c.