#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/queue.h>
#include <cam/cam.h>

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Data Structures
struct	camq

struct	cam_ccbq

struct	cam_devq

Macros
#define	CAMQ_HEAD 1 /* Head of queue index */

#define	CAMQ_GET_HEAD(camq) ((camq)->queue_array[CAMQ_HEAD])

#define	CAMQ_GET_PRIO(camq)

Functions
	TAILQ_HEAD (ccb_hdr_tailq, ccb_hdr)

	LIST_HEAD (ccb_hdr_list, ccb_hdr)

	SLIST_HEAD (ccb_hdr_slist, ccb_hdr)

struct cam_devq *	cam_devq_alloc (int devices, int openings)

int	cam_devq_init (struct cam_devq *devq, int devices, int openings)

void	cam_devq_free (struct cam_devq *devq)

u_int32_t	cam_devq_resize (struct cam_devq *camq, int openings)

struct cam_ccbq *	cam_ccbq_alloc (int openings)

u_int32_t	cam_ccbq_resize (struct cam_ccbq *ccbq, int devices)

int	cam_ccbq_init (struct cam_ccbq *ccbq, int openings)

void	cam_ccbq_free (struct cam_ccbq *ccbq)

void	cam_ccbq_fini (struct cam_ccbq *ccbq)

u_int32_t	camq_resize (struct camq *queue, int new_size)

int	camq_init (struct camq *camq, int size)

void	camq_fini (struct camq *queue)

void	camq_insert (struct camq queue, cam_pinfo new_entry)

cam_pinfo *	camq_remove (struct camq *queue, int index)

void	camq_change_priority (struct camq *queue, int index, u_int32_t new_priority)

static __inline int	cam_ccbq_pending_ccb_count (struct cam_ccbq *ccbq)

static __inline void	cam_ccbq_take_opening (struct cam_ccbq *ccbq)

static __inline void	cam_ccbq_insert_ccb (struct cam_ccbq ccbq, union ccb new_ccb)

static __inline void	cam_ccbq_remove_ccb (struct cam_ccbq ccbq, union ccb ccb)

static __inline union ccb *	cam_ccbq_peek_ccb (struct cam_ccbq *ccbq, int index)

static __inline void	cam_ccbq_send_ccb (struct cam_ccbq queue, union ccb send_ccb)

static __inline void	cam_ccbq_ccb_done (struct cam_ccbq ccbq, union ccb done_ccb)

static __inline void	cam_ccbq_release_opening (struct cam_ccbq *ccbq)

Macro Definition Documentation

◆ CAMQ_GET_HEAD

#define CAMQ_GET_HEAD ( camq ) ((camq)->queue_array[CAMQ_HEAD])

Definition at line 132 of file cam_queue.h.

◆ CAMQ_GET_PRIO

#define CAMQ_GET_PRIO ( camq )

Value:

(((camq)->entries > 0) ? \

((camq)->queue_array[CAMQ_HEAD]->priority) : 0)

CAMQ_HEAD

#define CAMQ_HEAD

Definition: cam_queue.h:129

camq

Definition: cam_queue.h:50

Definition at line 135 of file cam_queue.h.

◆ CAMQ_HEAD

#define CAMQ_HEAD 1 /* Head of queue index */

Definition at line 129 of file cam_queue.h.

Function Documentation

◆ cam_ccbq_alloc()

struct cam_ccbq * cam_ccbq_alloc ( int openings )

Definition at line 234 of file cam_queue.c.

References cam_ccbq_init().

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◆ cam_ccbq_ccb_done()

static __inline void cam_ccbq_ccb_done	(	struct cam_ccbq *	ccbq,
		union ccb *	done_ccb
	)

static

Definition at line 265 of file cam_queue.h.

References cam_ccbq::dev_active, and cam_ccbq::dev_openings.

Referenced by xpt_done_process().

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◆ cam_ccbq_fini()

void cam_ccbq_fini ( struct cam_ccbq * ccbq )

Definition at line 289 of file cam_queue.c.

References camq_fini(), and cam_ccbq::queue.

Referenced by cam_ccbq_free(), and xpt_release_device().

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◆ cam_ccbq_free()

void cam_ccbq_free ( struct cam_ccbq * ccbq )

Definition at line 252 of file cam_queue.c.

References cam_ccbq_fini().

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◆ cam_ccbq_init()

int cam_ccbq_init	(	struct cam_ccbq *	ccbq,
		int	openings
	)

Definition at line 277 of file cam_queue.c.

References camq_init(), cam_ccbq::dev_openings, cam_ccbq::queue, and cam_ccbq::total_openings.

Referenced by cam_ccbq_alloc(), and xpt_alloc_device().

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◆ cam_ccbq_insert_ccb()

static __inline void cam_ccbq_insert_ccb	(	struct cam_ccbq *	ccbq,
		union ccb *	new_ccb
	)

static

Definition at line 183 of file cam_queue.h.

References camq::array_size, CAM_EXTRAQ_INDEX, CAM_REQ_CMP, camq_insert(), camq_remove(), camq_resize(), ccb::ccb_h, camq::entries, ccb_hdr::func_code, cam_pinfo::index, ccb_hdr::pinfo, cam_ccbq::queue, cam_ccbq::queue_extra_entries, cam_ccbq::queue_extra_head, XPT_FC_QUEUED, XPT_FC_USER_CCB, and ccb_hdr::xpt_links.

Referenced by xpt_action_default().

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◆ cam_ccbq_peek_ccb()

static __inline union ccb * cam_ccbq_peek_ccb	(	struct cam_ccbq *	ccbq,
		int	index
	)

static

Definition at line 250 of file cam_queue.h.

References cam_ccbq::queue, and camq::queue_array.

Referenced by xpt_run_devq().

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◆ cam_ccbq_pending_ccb_count()

static __inline int cam_ccbq_pending_ccb_count ( struct cam_ccbq * ccbq )

static

Definition at line 170 of file cam_queue.h.

References camq::entries, cam_ccbq::queue, and cam_ccbq::queue_extra_entries.

Referenced by xpt_action_default().

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◆ cam_ccbq_release_opening()

static __inline void cam_ccbq_release_opening ( struct cam_ccbq * ccbq )

static

Definition at line 273 of file cam_queue.h.

References cam_ccbq::allocated.

Referenced by xpt_release_ccb().

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◆ cam_ccbq_remove_ccb()

static __inline void cam_ccbq_remove_ccb	(	struct cam_ccbq *	ccbq,
		union ccb *	ccb
	)

static

Definition at line 210 of file cam_queue.h.

References CAM_EXTRAQ_INDEX, CAM_UNQUEUED_INDEX, camq_insert(), camq_remove(), ccb::ccb_h, cam_pinfo::generation, GENERATIONCMP, cam_pinfo::index, ccb_hdr::pinfo, cam_pinfo::priority, cam_ccbq::queue, cam_ccbq::queue_extra_entries, and cam_ccbq::queue_extra_head.

Referenced by xpt_action_default(), and xpt_run_devq().

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◆ cam_ccbq_resize()

u_int32_t cam_ccbq_resize	(	struct cam_ccbq *	ccbq,
		int	devices
	)

Definition at line 261 of file cam_queue.c.

References camq::array_size, CAM_REQ_CMP, camq_resize(), cam_ccbq::dev_active, cam_ccbq::dev_openings, cam_ccbq::queue, and cam_ccbq::total_openings.

Referenced by xpt_dev_ccbq_resize().

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◆ cam_ccbq_send_ccb()

static __inline void cam_ccbq_send_ccb	(	struct cam_ccbq *	queue,
		union ccb *	send_ccb
	)

static

Definition at line 256 of file cam_queue.h.

References CAM_ACTIVE_INDEX, ccb::ccb_h, cam_ccbq::dev_active, cam_ccbq::dev_openings, cam_pinfo::index, and ccb_hdr::pinfo.

Referenced by xpt_run_devq().

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◆ cam_ccbq_take_opening()

static __inline void cam_ccbq_take_opening ( struct cam_ccbq * ccbq )

static

Definition at line 176 of file cam_queue.h.

References cam_ccbq::allocated.

Referenced by xpt_get_ccb(), and xpt_get_ccb_nowait().

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◆ cam_devq_alloc()

struct cam_devq * cam_devq_alloc	(	int	devices,
		int	openings
	)

Definition at line 186 of file cam_queue.c.

References cam_devq_init().

Referenced by cam_simq_alloc().

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◆ cam_devq_free()

void cam_devq_free ( struct cam_devq * devq )

Definition at line 216 of file cam_queue.c.

References camq_fini(), cam_devq::send_mtx, and cam_devq::send_queue.

Referenced by cam_simq_free().

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◆ cam_devq_init()

int cam_devq_init	(	struct cam_devq *	devq,
		int	devices,
		int	openings
	)

Definition at line 203 of file cam_queue.c.

References camq_init(), cam_devq::send_active, cam_devq::send_mtx, cam_devq::send_openings, and cam_devq::send_queue.

Referenced by cam_devq_alloc().

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◆ cam_devq_resize()

u_int32_t cam_devq_resize	(	struct cam_devq *	camq,
		int	openings
	)

Definition at line 225 of file cam_queue.c.

References camq_resize().

Referenced by xpt_alloc_device(), and xpt_release_device().

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◆ camq_change_priority()

void camq_change_priority	(	struct camq *	queue,
		int	index,
		u_int32_t	new_priority
	)

Definition at line 173 of file cam_queue.c.

References camq::entries, heap_down(), heap_up(), cam_pinfo::priority, and camq::queue_array.

Referenced by xpt_schedule_dev().

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◆ camq_fini()

void camq_fini ( struct camq * queue )

Definition at line 84 of file cam_queue.c.

References camq::queue_array.

Referenced by cam_ccbq_fini(), and cam_devq_free().

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◆ camq_init()

int camq_init	(	struct camq *	camq,
		int	size
	)

Definition at line 58 of file cam_queue.c.

References camq::array_size, and camq::queue_array.

Referenced by cam_ccbq_init(), and cam_devq_init().

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◆ camq_insert()

void camq_insert	(	struct camq *	queue,
		cam_pinfo *	new_entry
	)

Definition at line 126 of file cam_queue.c.

References camq::array_size, camq::entries, heap_up(), cam_pinfo::index, and camq::queue_array.

Referenced by cam_ccbq_insert_ccb(), cam_ccbq_remove_ccb(), and xpt_schedule_dev().

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◆ camq_remove()

cam_pinfo * camq_remove	(	struct camq *	queue,
		int	index
	)

Definition at line 146 of file cam_queue.c.

References CAM_UNQUEUED_INDEX, camq::entries, heap_down(), cam_pinfo::index, and camq::queue_array.

Referenced by cam_ccbq_insert_ccb(), cam_ccbq_remove_ccb(), xpt_freeze_devq_device(), and xpt_run_devq().

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◆ camq_resize()

u_int32_t camq_resize	(	struct camq *	queue,
		int	new_size
	)

Definition at line 92 of file cam_queue.c.

References camq::array_size, CAM_REQ_CMP, CAM_RESRC_UNAVAIL, camq::entries, and camq::queue_array.

Referenced by cam_ccbq_insert_ccb(), cam_ccbq_resize(), and cam_devq_resize().

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◆ LIST_HEAD()

LIST_HEAD	(	ccb_hdr_list	,
		ccb_hdr
	)

◆ SLIST_HEAD()

SLIST_HEAD	(	ccb_hdr_slist	,
		ccb_hdr
	)

◆ TAILQ_HEAD()

TAILQ_HEAD	(	ccb_hdr_tailq	,
		ccb_hdr
	)

Referenced by adadone(), ctl_be_block_dispatch_dev(), dadone(), and ndadone().

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Data Structures

Macros

Functions

Macro Definition Documentation

◆ CAMQ_GET_HEAD

◆ CAMQ_GET_PRIO

◆ CAMQ_HEAD

Function Documentation

◆ cam_ccbq_alloc()

◆ cam_ccbq_ccb_done()

◆ cam_ccbq_fini()

◆ cam_ccbq_free()

◆ cam_ccbq_init()

◆ cam_ccbq_insert_ccb()

◆ cam_ccbq_peek_ccb()

◆ cam_ccbq_pending_ccb_count()

◆ cam_ccbq_release_opening()

◆ cam_ccbq_remove_ccb()

◆ cam_ccbq_resize()

◆ cam_ccbq_send_ccb()

◆ cam_ccbq_take_opening()

◆ cam_devq_alloc()

◆ cam_devq_free()

◆ cam_devq_init()

◆ cam_devq_resize()

◆ camq_change_priority()

◆ camq_fini()

◆ camq_init()

◆ camq_insert()

◆ camq_remove()

◆ camq_resize()

◆ LIST_HEAD()

◆ SLIST_HEAD()

◆ TAILQ_HEAD()