cam_iosched.h File Reference

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Macros
#define	CAM_IOSCHED_TIME_SHIFT   8

Typedefs
typedef void(*	cam_iosched_latfcn_t) (void *, sbintime_t, struct bio *)

Functions
static uintptr_t	cam_iosched_now (void)
static uintptr_t	cam_iosched_delta_t (uintptr_t then)
static sbintime_t	cam_iosched_sbintime_t (uintptr_t delta)
int	cam_iosched_init (struct cam_iosched_softc **, struct cam_periph *periph)
void	cam_iosched_fini (struct cam_iosched_softc *)
void	cam_iosched_sysctl_init (struct cam_iosched_softc *, struct sysctl_ctx_list *, struct sysctl_oid *)
struct bio *	cam_iosched_next_trim (struct cam_iosched_softc *isc)
struct bio *	cam_iosched_get_trim (struct cam_iosched_softc *isc)
struct bio *	cam_iosched_next_bio (struct cam_iosched_softc *isc)
void	cam_iosched_queue_work (struct cam_iosched_softc *isc, struct bio *bp)
void	cam_iosched_flush (struct cam_iosched_softc *isc, struct devstat *stp, int err)
void	cam_iosched_schedule (struct cam_iosched_softc *isc, struct cam_periph *periph)
void	cam_iosched_finish_trim (struct cam_iosched_softc *isc)
void	cam_iosched_submit_trim (struct cam_iosched_softc *isc)
void	cam_iosched_put_back_trim (struct cam_iosched_softc *isc, struct bio *bp)
void	cam_iosched_set_sort_queue (struct cam_iosched_softc *isc, int val)
int	cam_iosched_has_work_flags (struct cam_iosched_softc *isc, uint32_t flags)
void	cam_iosched_set_work_flags (struct cam_iosched_softc *isc, uint32_t flags)
void	cam_iosched_clr_work_flags (struct cam_iosched_softc *isc, uint32_t flags)
void	cam_iosched_trim_done (struct cam_iosched_softc *isc)
int	cam_iosched_bio_complete (struct cam_iosched_softc *isc, struct bio *bp, union ccb *done_ccb)
void	cam_iosched_set_latfcn (struct cam_iosched_softc *isc, cam_iosched_latfcn_t, void *)
void	cam_iosched_set_trim_goal (struct cam_iosched_softc *isc, int goal)
void	cam_iosched_set_trim_ticks (struct cam_iosched_softc *isc, int ticks)

Macro Definition Documentation

CAM_IOSCHED_TIME_SHIFT

#define CAM_IOSCHED_TIME_SHIFT   8

Definition at line 57 of file cam_iosched.h.

Typedef Documentation

cam_iosched_latfcn_t

typedef void(* cam_iosched_latfcn_t) (void *, sbintime_t, struct bio *)

Definition at line 83 of file cam_iosched.h.

Function Documentation

cam_iosched_bio_complete()

int cam_iosched_bio_complete	(	struct cam_iosched_softc *	isc,
		struct bio *	bp,
		union ccb *	done_ccb
	)

Definition at line 1693 of file cam_iosched.c.

References cam_iosched_sbintime_t(), CAM_QOS_VALID, ccb::ccb_h, iosched_debug, ccb_qos_area::periph_data, ccb_hdr::qos, and ccb_hdr::status.

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

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cam_iosched_clr_work_flags()

void cam_iosched_clr_work_flags	(	struct cam_iosched_softc *	isc,
		uint32_t	flags
	)

Definition at line 1780 of file cam_iosched.c.

References cam_iosched_softc::flags.

Referenced by dastart().

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cam_iosched_delta_t()

static uintptr_t cam_iosched_delta_t ( uintptr_t  then )

inlinestatic

Definition at line 68 of file cam_iosched.h.

References cam_iosched_now().

Referenced by xpt_done(), and xpt_done_direct().

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cam_iosched_fini()

void cam_iosched_fini

(

struct cam_iosched_softc *

isc

)

Definition at line 1176 of file cam_iosched.c.

References CAM_IOSCHED_FLAG_CALLOUT_ACTIVE, cam_iosched_flush(), and cam_iosched_softc::flags.

Referenced by adacleanup(), dacleanup(), and ndacleanup().

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cam_iosched_finish_trim()

void cam_iosched_finish_trim

(

struct cam_iosched_softc *

isc

)

cam_iosched_flush()

void cam_iosched_flush	(	struct cam_iosched_softc *	isc,
		struct devstat *	stp,
		int	err
	)

Definition at line 1313 of file cam_iosched.c.

References cam_iosched_softc::bio_queue, and cam_iosched_softc::trim_queue.

Referenced by adaoninvalidate(), cam_iosched_fini(), dadone(), daoninvalidate(), and ndaoninvalidate().

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cam_iosched_get_trim()

struct bio * cam_iosched_get_trim

(

struct cam_iosched_softc *

isc

)

Definition at line 1440 of file cam_iosched.c.

References cam_iosched_softc::bio_queue, cam_iosched_has_more_trim(), cam_iosched_next_trim(), iosched_debug, and cam_iosched_softc::trim_queue.

Referenced by cam_iosched_next_bio().

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cam_iosched_has_work_flags()

int cam_iosched_has_work_flags	(	struct cam_iosched_softc *	isc,
		uint32_t	flags
	)

Definition at line 1768 of file cam_iosched.c.

References cam_iosched_softc::flags.

Referenced by daasync(), damediapoll(), and dastart().

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cam_iosched_init()

int cam_iosched_init	(	struct cam_iosched_softc **	iscp,
		struct cam_periph *	periph
	)

Definition at line 1136 of file cam_iosched.c.

References CAM_IOSCHED_FLAG_CALLOUT_ACTIVE, cam_periph_mtx(), and iosched_debug.

Referenced by adaregister(), daregister(), and ndaregister().

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cam_iosched_next_bio()

struct bio * cam_iosched_next_bio

(

struct cam_iosched_softc *

isc

)

Definition at line 1505 of file cam_iosched.c.

References cam_iosched_softc::bio_queue, cam_iosched_get_trim(), and iosched_debug.

Referenced by adastart(), dastart(), and ndastart().

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cam_iosched_next_trim()

struct bio * cam_iosched_next_trim

(

struct cam_iosched_softc *

isc

)

Definition at line 1414 of file cam_iosched.c.

References cam_iosched_softc::last_trim_tick, cam_iosched_softc::queued_trims, and cam_iosched_softc::trim_queue.

Referenced by ada_dsmtrim_req_create(), cam_iosched_get_trim(), da_delete_trim(), da_delete_unmap(), da_delete_ws(), and ndastart().

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cam_iosched_now()

static uintptr_t cam_iosched_now ( void  )

inlinestatic

Definition at line 60 of file cam_iosched.h.

References CAM_IOSCHED_TIME_SHIFT.

Referenced by cam_iosched_delta_t(), and xpt_run_devq().

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cam_iosched_put_back_trim()

void cam_iosched_put_back_trim	(	struct cam_iosched_softc *	isc,
		struct bio *	bp
	)

Definition at line 1393 of file cam_iosched.c.

References cam_iosched_softc::last_trim_tick, cam_iosched_softc::queued_trims, and cam_iosched_softc::trim_queue.

Referenced by ada_dsmtrim_req_create(), da_delete_trim(), da_delete_unmap(), and da_delete_ws().

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cam_iosched_queue_work()

void cam_iosched_queue_work	(	struct cam_iosched_softc *	isc,
		struct bio *	bp
	)

Definition at line 1574 of file cam_iosched.c.

References cam_iosched_softc::bio_queue, cam_iosched_sort_queue, iosched_debug, cam_iosched_softc::last_trim_tick, cam_iosched_softc::queued_trims, cam_iosched_softc::trim_queue, and cam_iosched_softc::trim_ticks.

Referenced by adastrategy(), cmd6workaround(), dastrategy(), and ndastrategy().

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cam_iosched_sbintime_t()

static sbintime_t cam_iosched_sbintime_t ( uintptr_t  delta )

inlinestatic

Definition at line 76 of file cam_iosched.h.

References CAM_IOSCHED_TIME_SHIFT.

Referenced by cam_iosched_bio_complete().

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cam_iosched_schedule()

void cam_iosched_schedule	(	struct cam_iosched_softc *	isc,
		struct cam_periph *	periph
	)

Definition at line 1671 of file cam_iosched.c.

References cam_iosched_has_work(), CAM_PRIORITY_NORMAL, and xpt_schedule().

Referenced by adaschedule(), daschedule(), and ndaschedule().

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cam_iosched_set_latfcn()

void cam_iosched_set_latfcn	(	struct cam_iosched_softc *	isc,
		cam_iosched_latfcn_t	fnp,
		void *	argp
	)

Definition at line 1263 of file cam_iosched.c.

cam_iosched_set_sort_queue()

void cam_iosched_set_sort_queue	(	struct cam_iosched_softc *	isc,
		int	val
	)

Definition at line 1761 of file cam_iosched.c.

References cam_iosched_softc::sort_io_queue.

Referenced by adaregister(), dadone_probeata(), dadone_probebdc(), and ndaregister().

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cam_iosched_set_trim_goal()

void cam_iosched_set_trim_goal	(	struct cam_iosched_softc *	isc,
		int	goal
	)

Definition at line 1294 of file cam_iosched.c.

References cam_iosched_softc::trim_goal.

cam_iosched_set_trim_ticks()

void cam_iosched_set_trim_ticks	(	struct cam_iosched_softc *	isc,
		int	ticks
	)

Definition at line 1301 of file cam_iosched.c.

References cam_iosched_softc::trim_ticks.

cam_iosched_set_work_flags()

void cam_iosched_set_work_flags	(	struct cam_iosched_softc *	isc,
		uint32_t	flags
	)

Definition at line 1774 of file cam_iosched.c.

References cam_iosched_softc::flags.

Referenced by daasync(), and damediapoll().

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cam_iosched_submit_trim()

void cam_iosched_submit_trim

(

struct cam_iosched_softc *

isc

)

Definition at line 1751 of file cam_iosched.c.

References CAM_IOSCHED_FLAG_TRIM_ACTIVE, and cam_iosched_softc::flags.

Referenced by adastart(), da_delete_trim(), and da_delete_unmap().

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cam_iosched_sysctl_init()

void cam_iosched_sysctl_init	(	struct cam_iosched_softc *	isc,
		struct sysctl_ctx_list *	ctx,
		struct sysctl_oid *	node
	)

Definition at line 1201 of file cam_iosched.c.

References cam_iosched_softc::sort_io_queue, and cam_iosched_softc::trim_goal.

Referenced by adasysctlinit(), dasysctlinit(), and ndasysctlinit().

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cam_iosched_trim_done()

void cam_iosched_trim_done

(

struct cam_iosched_softc *

isc

)

Definition at line 1682 of file cam_iosched.c.

References cam_iosched_softc::flags.

Referenced by adadone(), and dadone().

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