xbd_softc Struct Reference

#include <block.h>

Collaboration diagram for xbd_softc:

Data Fields
device_t	xbd_dev
struct disk *	xbd_disk
struct bio_queue_head	xbd_bioq
int	xbd_unit
xbd_flag_t	xbd_flags
int	xbd_qfrozen_cnt
int	xbd_vdevice
xbd_state_t	xbd_state
u_int	xbd_ring_pages
uint32_t	xbd_max_requests
uint32_t	xbd_max_request_segments
uint32_t	xbd_max_request_size
uint32_t	xbd_max_request_indirectpages
grant_ref_t	xbd_ring_ref [XBD_MAX_RING_PAGES]
blkif_front_ring_t	xbd_ring
xen_intr_handle_t	xen_intr_handle
struct gnttab_free_callback	xbd_callback
xbd_cm_q_t	xbd_cm_q [XBD_Q_COUNT]
bus_dma_tag_t	xbd_io_dmat
int	xbd_users
struct mtx	xbd_io_lock
struct xbd_command *	xbd_shadow

Detailed Description

Definition at line 173 of file block.h.

Field Documentation

xbd_bioq

struct bio_queue_head xbd_softc::xbd_bioq

Definition at line 176 of file block.h.

Referenced by xbd_dequeue_bio(), xbd_enqueue_bio(), xbd_initq_bio(), and xbd_requeue_bio().

xbd_callback

struct gnttab_free_callback xbd_softc::xbd_callback

Definition at line 190 of file block.h.

Referenced by xbd_bio_command().

xbd_cm_q

xbd_cm_q_t xbd_softc::xbd_cm_q[XBD_Q_COUNT]

Definition at line 191 of file block.h.

Referenced by xbd_added_qentry(), xbd_dequeue_cm(), xbd_enqueue_cm(), xbd_initq_cm(), xbd_int(), xbd_queue_length(), xbd_remove_cm(), xbd_removed_qentry(), xbd_requeue_cm(), and xbd_suspend().

xbd_dev

device_t xbd_softc::xbd_dev

Definition at line 174 of file block.h.

Referenced by xbd_alloc_ring(), xbd_attach(), xbd_close(), xbd_connect(), xbd_dump(), xbd_initialize(), xbd_instance_create(), xbd_queue_cb(), and xbd_setup_sysctl().

xbd_disk

struct disk* xbd_softc::xbd_disk

Definition at line 175 of file block.h.

Referenced by xbd_backend_changed(), xbd_closing(), xbd_connect(), xbd_instance_create(), and xbd_queue_cb().

xbd_flags

xbd_flag_t xbd_softc::xbd_flags

Definition at line 178 of file block.h.

Referenced by xbd_bio_command(), xbd_close(), xbd_connect(), xbd_feature_string(), xbd_freeze(), xbd_instance_create(), xbd_open(), and xbd_thaw().

xbd_io_dmat

bus_dma_tag_t xbd_softc::xbd_io_dmat

Definition at line 192 of file block.h.

Referenced by xbd_connect(), xbd_free(), xbd_int(), xbd_queue_cb(), and xbd_queue_request().

xbd_io_lock

struct mtx xbd_softc::xbd_io_lock

Definition at line 199 of file block.h.

Referenced by xbd_attach(), xbd_connect(), xbd_detach(), xbd_dump(), xbd_free(), xbd_int(), xbd_restart_queue_callback(), xbd_startio(), xbd_strategy(), and xbd_suspend().

xbd_max_request_indirectpages

uint32_t xbd_softc::xbd_max_request_indirectpages

Definition at line 186 of file block.h.

Referenced by xbd_connect(), xbd_free(), and xbd_queue_cb().

xbd_max_request_segments

uint32_t xbd_softc::xbd_max_request_segments

Definition at line 184 of file block.h.

Referenced by xbd_bio_command(), xbd_connect(), xbd_dump(), and xbd_setup_sysctl().

xbd_max_request_size

uint32_t xbd_softc::xbd_max_request_size

Definition at line 185 of file block.h.

Referenced by xbd_connect(), xbd_dump(), xbd_instance_create(), and xbd_setup_sysctl().

xbd_max_requests

uint32_t xbd_softc::xbd_max_requests

Definition at line 183 of file block.h.

Referenced by xbd_connect(), xbd_free(), xbd_initialize(), and xbd_setup_sysctl().

xbd_qfrozen_cnt

int xbd_softc::xbd_qfrozen_cnt

Definition at line 179 of file block.h.

Referenced by xbd_freeze(), xbd_startio(), and xbd_thaw().

xbd_ring

blkif_front_ring_t xbd_softc::xbd_ring

Definition at line 188 of file block.h.

Referenced by xbd_alloc_ring(), xbd_flush_requests(), xbd_free_ring(), xbd_int(), xbd_queue_cb(), xbd_quiesce(), and xbd_startio().

xbd_ring_pages

u_int xbd_softc::xbd_ring_pages

Definition at line 182 of file block.h.

Referenced by xbd_alloc_ring(), xbd_free_ring(), xbd_initialize(), and xbd_setup_sysctl().

xbd_ring_ref

grant_ref_t xbd_softc::xbd_ring_ref[XBD_MAX_RING_PAGES]

Definition at line 187 of file block.h.

Referenced by xbd_alloc_ring(), xbd_attach(), and xbd_free_ring().

xbd_shadow

struct xbd_command* xbd_softc::xbd_shadow

Definition at line 201 of file block.h.

Referenced by xbd_connect(), xbd_free(), and xbd_int().

xbd_state

xbd_state_t xbd_softc::xbd_state

Definition at line 181 of file block.h.

Referenced by xbd_attach(), xbd_bio_command(), xbd_connect(), xbd_free(), xbd_int(), xbd_resume(), xbd_startio(), and xbd_suspend().

xbd_unit

int xbd_softc::xbd_unit

Definition at line 177 of file block.h.

Referenced by xbd_instance_create().

xbd_users

int xbd_softc::xbd_users

The number of people holding this device open. We won't allow a hot-unplug unless this is 0.

Definition at line 198 of file block.h.

Referenced by xbd_backend_changed(), xbd_close(), and xbd_open().

xbd_vdevice

int xbd_softc::xbd_vdevice

Definition at line 180 of file block.h.

Referenced by xbd_attach(), and xbd_connect().

xen_intr_handle

xen_intr_handle_t xbd_softc::xen_intr_handle

Definition at line 189 of file block.h.

Referenced by xbd_alloc_ring(), xbd_flush_requests(), xbd_free(), and xbd_initialize().

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

• dev/xen/blkfront/block.h