#include "opt_ddb.h"
#include <sys/cdefs.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/limits.h>
#include <sys/lock.h>
#include <sys/malloc.h>
#include <sys/mutex.h>
#include <sys/bus.h>
#include <machine/bus.h>
#include <sys/rman.h>
#include <sys/sysctl.h>

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Data Structures
struct	resource_i

Macros
#define	DPRINTF(params) if (rman_debug) printf params

#define	SHARE_TYPE(f) (f & (RF_SHAREABLE \| RF_PREFETCHABLE))

Functions
	__FBSDID ("$FreeBSD$")

	SYSCTL_INT (_debug, OID_AUTO, rman_debug, CTLFLAG_RWTUN, &rman_debug, 0, "rman debug")

static	MALLOC_DEFINE (M_RMAN, "rman", "Resource manager")

static int	int_rman_release_resource (struct rman rm, struct resource_i r)

static __inline struct resource_i *	int_alloc_resource (int malloc_flag)

int	rman_init (struct rman *rm)

int	rman_manage_region (struct rman *rm, rman_res_t start, rman_res_t end)

int	rman_init_from_resource (struct rman rm, struct resource r)

int	rman_fini (struct rman *rm)

int	rman_first_free_region (struct rman rm, rman_res_t start, rman_res_t *end)

int	rman_last_free_region (struct rman rm, rman_res_t start, rman_res_t *end)

int	rman_adjust_resource (struct resource *rr, rman_res_t start, rman_res_t end)

struct resource *	rman_reserve_resource_bound (struct rman *rm, rman_res_t start, rman_res_t end, rman_res_t count, rman_res_t bound, u_int flags, device_t dev)

struct resource *	rman_reserve_resource (struct rman *rm, rman_res_t start, rman_res_t end, rman_res_t count, u_int flags, device_t dev)

int	rman_activate_resource (struct resource *re)

int	rman_deactivate_resource (struct resource *r)

int	rman_release_resource (struct resource *re)

uint32_t	rman_make_alignment_flags (uint32_t size)

void	rman_set_start (struct resource *r, rman_res_t start)

rman_res_t	rman_get_start (struct resource *r)

void	rman_set_end (struct resource *r, rman_res_t end)

rman_res_t	rman_get_end (struct resource *r)

rman_res_t	rman_get_size (struct resource *r)

u_int	rman_get_flags (struct resource *r)

void	rman_set_virtual (struct resource r, void v)

void *	rman_get_virtual (struct resource *r)

void	rman_set_irq_cookie (struct resource r, void c)

void *	rman_get_irq_cookie (struct resource *r)

void	rman_set_bustag (struct resource *r, bus_space_tag_t t)

bus_space_tag_t	rman_get_bustag (struct resource *r)

void	rman_set_bushandle (struct resource *r, bus_space_handle_t h)

bus_space_handle_t	rman_get_bushandle (struct resource *r)

void	rman_set_mapping (struct resource r, struct resource_map map)

void	rman_get_mapping (struct resource r, struct resource_map map)

void	rman_set_rid (struct resource *r, int rid)

int	rman_get_rid (struct resource *r)

void	rman_set_device (struct resource *r, device_t dev)

device_t	rman_get_device (struct resource *r)

int	rman_is_region_manager (struct resource r, struct rman rm)

static int	sysctl_rman (SYSCTL_HANDLER_ARGS)

static	SYSCTL_NODE (_hw_bus, OID_AUTO, rman, CTLFLAG_RD\|CTLFLAG_MPSAFE, sysctl_rman, "kernel resource manager")

Variables
static int	rman_debug = 0

struct rman_head	rman_head

static struct mtx	rman_mtx

Macro Definition Documentation

◆ DPRINTF

#define DPRINTF ( params ) if (rman_debug) printf params

Definition at line 103 of file subr_rman.c.

◆ SHARE_TYPE

#define SHARE_TYPE ( f ) (f & (RF_SHAREABLE | RF_PREFETCHABLE))

Definition at line 431 of file subr_rman.c.

Function Documentation

◆ __FBSDID()

__FBSDID ( "$FreeBSD$" )

◆ int_alloc_resource()

static __inline struct resource_i * int_alloc_resource ( int malloc_flag )

static

Definition at line 112 of file subr_rman.c.

References malloc(), and resource_i::r_r.

Referenced by rman_adjust_resource(), rman_manage_region(), and rman_reserve_resource_bound().

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◆ int_rman_release_resource()

static int int_rman_release_resource	(	struct rman *	rm,
		struct resource_i *	r
	)

static

Definition at line 688 of file subr_rman.c.

References free().

Referenced by rman_release_resource().

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◆ MALLOC_DEFINE()

static MALLOC_DEFINE	(	M_RMAN	,
		"rman"	,
		"Resource manager"
	)

static

◆ rman_activate_resource()

int rman_activate_resource ( struct resource * re )

Definition at line 662 of file subr_rman.c.

◆ rman_adjust_resource()

int rman_adjust_resource	(	struct resource *	rr,
		rman_res_t	start,
		rman_res_t	end
	)

Definition at line 311 of file subr_rman.c.

References free(), int_alloc_resource(), panic(), and start.

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◆ rman_deactivate_resource()

int rman_deactivate_resource ( struct resource * r )

Definition at line 676 of file subr_rman.c.

◆ rman_fini()

int rman_fini ( struct rman * rm )

Definition at line 242 of file subr_rman.c.

References free(), rman_head, and rman_mtx.

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◆ rman_first_free_region()

int rman_first_free_region	(	struct rman *	rm,
		rman_res_t *	start,
		rman_res_t *	end
	)

Definition at line 274 of file subr_rman.c.

References start.

◆ rman_get_bushandle()

bus_space_handle_t rman_get_bushandle ( struct resource * r )

Definition at line 906 of file subr_rman.c.

Referenced by rman_get_mapping().

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◆ rman_get_bustag()

bus_space_tag_t rman_get_bustag ( struct resource * r )

Definition at line 892 of file subr_rman.c.

Referenced by rman_get_mapping().

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◆ rman_get_device()

device_t rman_get_device ( struct resource * r )

Definition at line 955 of file subr_rman.c.

Referenced by resource_list_purge().

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◆ rman_get_end()

rman_res_t rman_get_end ( struct resource * r )

Definition at line 836 of file subr_rman.c.

Referenced by intr_activate_irq(), intr_deactivate_irq(), intr_describe_irq(), intr_setup_irq(), intr_teardown_irq(), and resource_list_alloc().

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◆ rman_get_flags()

u_int rman_get_flags ( struct resource * r )

Definition at line 850 of file subr_rman.c.

Referenced by resource_list_busy(), and resource_list_release().

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◆ rman_get_irq_cookie()

void * rman_get_irq_cookie ( struct resource * r )

Definition at line 878 of file subr_rman.c.

◆ rman_get_mapping()

void rman_get_mapping	(	struct resource *	r,
		struct resource_map *	map
	)

Definition at line 924 of file subr_rman.c.

References rman_get_bushandle(), rman_get_bustag(), rman_get_size(), and rman_get_virtual().

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◆ rman_get_rid()

int rman_get_rid ( struct resource * r )

Definition at line 941 of file subr_rman.c.

Referenced by bus_free_resource(), and resource_list_release_active().

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◆ rman_get_size()

rman_res_t rman_get_size ( struct resource * r )

Definition at line 843 of file subr_rman.c.

Referenced by rman_get_mapping(), and rman_set_mapping().

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◆ rman_get_start()

rman_res_t rman_get_start ( struct resource * r )

Definition at line 822 of file subr_rman.c.

Referenced by intr_activate_irq(), intr_deactivate_irq(), intr_describe_irq(), intr_is_per_cpu(), intr_setup_irq(), intr_teardown_irq(), and resource_list_alloc().

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◆ rman_get_virtual()

void * rman_get_virtual ( struct resource * r )

Definition at line 864 of file subr_rman.c.

Referenced by intr_deactivate_irq(), intr_setup_irq(), intr_teardown_irq(), and rman_get_mapping().

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◆ rman_init()

int rman_init ( struct rman * rm )

Definition at line 124 of file subr_rman.c.

References malloc(), panic(), rman_head, and rman_mtx.

Referenced by rman_init_from_resource().

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◆ rman_init_from_resource()

int rman_init_from_resource	(	struct rman *	rm,
		struct resource *	r
	)

Definition at line 232 of file subr_rman.c.

References rman_init(), and rman_manage_region().

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◆ rman_is_region_manager()

int rman_is_region_manager	(	struct resource *	r,
		struct rman *	rm
	)

Definition at line 962 of file subr_rman.c.

◆ rman_last_free_region()

int rman_last_free_region	(	struct rman *	rm,
		rman_res_t *	start,
		rman_res_t *	end
	)

Definition at line 292 of file subr_rman.c.

References start.

◆ rman_make_alignment_flags()

uint32_t rman_make_alignment_flags ( uint32_t size )

Definition at line 797 of file subr_rman.c.

◆ rman_manage_region()

int rman_manage_region	(	struct rman *	rm,
		rman_res_t	start,
		rman_res_t	end
	)

Definition at line 154 of file subr_rman.c.

References DPRINTF, free(), int_alloc_resource(), and start.

Referenced by rman_init_from_resource().

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◆ rman_release_resource()

int rman_release_resource ( struct resource * re )

Definition at line 782 of file subr_rman.c.

References int_rman_release_resource().

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◆ rman_reserve_resource()

struct resource * rman_reserve_resource	(	struct rman *	rm,
		rman_res_t	start,
		rman_res_t	end,
		rman_res_t	count,
		u_int	flags,
		device_t	dev
	)

Definition at line 653 of file subr_rman.c.

References count, flags, rman_reserve_resource_bound(), and start.

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◆ rman_reserve_resource_bound()

struct resource * rman_reserve_resource_bound	(	struct rman *	rm,
		rman_res_t	start,
		rman_res_t	end,
		rman_res_t	count,
		rman_res_t	bound,
		u_int	flags,
		device_t	dev
	)

Definition at line 434 of file subr_rman.c.

References count, device_get_nameunit(), DPRINTF, flags, free(), int_alloc_resource(), malloc(), resource_i::r_r, SHARE_TYPE, and start.

Referenced by rman_reserve_resource().

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◆ rman_set_bushandle()

void rman_set_bushandle	(	struct resource *	r,
		bus_space_handle_t	h
	)

Definition at line 899 of file subr_rman.c.

Referenced by rman_set_mapping().

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◆ rman_set_bustag()

void rman_set_bustag	(	struct resource *	r,
		bus_space_tag_t	t
	)

Definition at line 885 of file subr_rman.c.

Referenced by rman_set_mapping().

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◆ rman_set_device()

void rman_set_device	(	struct resource *	r,
		device_t	dev
	)

Definition at line 948 of file subr_rman.c.

◆ rman_set_end()

void rman_set_end	(	struct resource *	r,
		rman_res_t	end
	)

Definition at line 829 of file subr_rman.c.

◆ rman_set_irq_cookie()

void rman_set_irq_cookie	(	struct resource *	r,
		void *	c
	)

Definition at line 871 of file subr_rman.c.

◆ rman_set_mapping()

void rman_set_mapping	(	struct resource *	r,
		struct resource_map *	map
	)

Definition at line 913 of file subr_rman.c.

References rman_get_size(), rman_set_bushandle(), rman_set_bustag(), and rman_set_virtual().

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◆ rman_set_rid()

void rman_set_rid	(	struct resource *	r,
		int	rid
	)

Definition at line 934 of file subr_rman.c.

◆ rman_set_start()

void rman_set_start	(	struct resource *	r,
		rman_res_t	start
	)

Definition at line 815 of file subr_rman.c.

References start.

◆ rman_set_virtual()

void rman_set_virtual	(	struct resource *	r,
		void *	v
	)

Definition at line 857 of file subr_rman.c.

Referenced by intr_activate_irq(), intr_deactivate_irq(), and rman_set_mapping().

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◆ SYSCTL_INT()

SYSCTL_INT	(	_debug	,
		OID_AUTO	,
		rman_debug	,
		CTLFLAG_RWTUN	,
		&	rman_debug,
		0	,
		"rman debug"
	)

◆ SYSCTL_NODE()

static SYSCTL_NODE	(	_hw_bus	,
		OID_AUTO	,
		rman	,
		CTLFLAG_RD\|	CTLFLAG_MPSAFE,
		sysctl_rman	,
		"kernel resource manager"
	)

static

◆ sysctl_rman()

static int sysctl_rman ( SYSCTL_HANDLER_ARGS )

static

Definition at line 975 of file subr_rman.c.

References bus_data_generation_check(), device_get_name(), device_get_unit(), name, res, rman_head, rman_mtx, and snprintf().

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Variable Documentation

◆ rman_debug

int rman_debug = 0

static

Definition at line 99 of file subr_rman.c.

◆ rman_head

struct rman_head rman_head

Definition at line 107 of file subr_rman.c.

Referenced by rman_fini(), rman_init(), and sysctl_rman().

◆ rman_mtx

struct mtx rman_mtx

static

Definition at line 108 of file subr_rman.c.

Referenced by rman_fini(), rman_init(), and sysctl_rman().

Data Structures

Macros

Functions

Variables

Macro Definition Documentation

◆ DPRINTF

◆ SHARE_TYPE

Function Documentation

◆ __FBSDID()

◆ int_alloc_resource()

◆ int_rman_release_resource()

◆ MALLOC_DEFINE()

◆ rman_activate_resource()

◆ rman_adjust_resource()

◆ rman_deactivate_resource()

◆ rman_fini()

◆ rman_first_free_region()

◆ rman_get_bushandle()

◆ rman_get_bustag()

◆ rman_get_device()

◆ rman_get_end()

◆ rman_get_flags()

◆ rman_get_irq_cookie()

◆ rman_get_mapping()

◆ rman_get_rid()

◆ rman_get_size()

◆ rman_get_start()

◆ rman_get_virtual()

◆ rman_init()

◆ rman_init_from_resource()

◆ rman_is_region_manager()

◆ rman_last_free_region()

◆ rman_make_alignment_flags()

◆ rman_manage_region()

◆ rman_release_resource()

◆ rman_reserve_resource()

◆ rman_reserve_resource_bound()

◆ rman_set_bushandle()

◆ rman_set_bustag()

◆ rman_set_device()

◆ rman_set_end()

◆ rman_set_irq_cookie()

◆ rman_set_mapping()

◆ rman_set_rid()

◆ rman_set_start()

◆ rman_set_virtual()

◆ SYSCTL_INT()

◆ SYSCTL_NODE()

◆ sysctl_rman()

Variable Documentation

◆ rman_debug

◆ rman_head

◆ rman_mtx