#include <sys/cdefs.h>
#include "opt_agp.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/malloc.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/bus.h>
#include <sys/conf.h>
#include <sys/ioccom.h>
#include <sys/agpio.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/proc.h>
#include <sys/rwlock.h>
#include <dev/agp/agppriv.h>
#include <dev/agp/agpvar.h>
#include <dev/agp/agpreg.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcireg.h>
#include <vm/vm.h>
#include <vm/vm_extern.h>
#include <vm/vm_kern.h>
#include <vm/vm_param.h>
#include <vm/vm_object.h>
#include <vm/vm_page.h>
#include <vm/vm_pageout.h>
#include <vm/pmap.h>
#include <machine/bus.h>
#include <machine/resource.h>
#include <sys/rman.h>

Include dependency graph for agp.c:

Macros
#define	AGP_MAX_SIZE nitems(agp_max)

Functions
	__FBSDID ("$FreeBSD$")

	MODULE_VERSION (agp, 1)

	MALLOC_DEFINE (M_AGP, "agp", "AGP data structures")

u_int8_t	agp_find_caps (device_t dev)

static device_t	agp_find_display (void)

struct agp_gatt *	agp_alloc_gatt (device_t dev)

void	agp_free_gatt (struct agp_gatt *gatt)

void	agp_set_aperture_resource (device_t dev, int rid)

int	agp_generic_attach (device_t dev)

void	agp_free_cdev (device_t dev)

void	agp_free_res (device_t dev)

int	agp_generic_detach (device_t dev)

u_int32_t	agp_generic_get_aperture (device_t dev)

int	agp_generic_set_aperture (device_t dev, u_int32_t aperture)

static int	agp_v3_enable (device_t dev, device_t mdev, u_int32_t mode)

static int	agp_v2_enable (device_t dev, device_t mdev, u_int32_t mode)

int	agp_generic_enable (device_t dev, u_int32_t mode)

struct agp_memory *	agp_generic_alloc_memory (device_t dev, int type, vm_size_t size)

int	agp_generic_free_memory (device_t dev, struct agp_memory *mem)

int	agp_generic_bind_memory (device_t dev, struct agp_memory *mem, vm_offset_t offset)

int	agp_generic_unbind_memory (device_t dev, struct agp_memory *mem)

static int	agp_acquire_helper (device_t dev, enum agp_acquire_state state)

static int	agp_release_helper (device_t dev, enum agp_acquire_state state)

static struct agp_memory *	agp_find_memory (device_t dev, int id)

static int	agp_info_user (device_t dev, agp_info *info)

static int	agp_setup_user (device_t dev, agp_setup *setup)

static int	agp_allocate_user (device_t dev, agp_allocate *alloc)

static int	agp_deallocate_user (device_t dev, int id)

static int	agp_bind_user (device_t dev, agp_bind *bind)

static int	agp_unbind_user (device_t dev, agp_unbind *unbind)

static int	agp_chipset_flush (device_t dev)

static int	agp_open (struct cdev kdev, int oflags, int devtype, struct thread td)

static int	agp_close (struct cdev kdev, int fflag, int devtype, struct thread td)

static int	agp_ioctl (struct cdev kdev, u_long cmd, caddr_t data, int fflag, struct thread td)

static int	agp_mmap (struct cdev kdev, vm_ooffset_t offset, vm_paddr_t paddr, int prot, vm_memattr_t *memattr)

device_t	agp_find_device ()

enum agp_acquire_state	agp_state (device_t dev)

void	agp_get_info (device_t dev, struct agp_info *info)

int	agp_acquire (device_t dev)

int	agp_release (device_t dev)

int	agp_enable (device_t dev, u_int32_t mode)

void *	agp_alloc_memory (device_t dev, int type, vm_size_t bytes)

void	agp_free_memory (device_t dev, void *handle)

int	agp_bind_memory (device_t dev, void *handle, vm_offset_t offset)

int	agp_unbind_memory (device_t dev, void *handle)

void	agp_memory_info (device_t dev, void handle, struct agp_memory_info mi)

int	agp_bind_pages (device_t dev, vm_page_t *pages, vm_size_t size, vm_offset_t offset)

int	agp_unbind_pages (device_t dev, vm_size_t size, vm_offset_t offset)

Variables
static d_open_t	agp_open

static d_close_t	agp_close

static d_ioctl_t	agp_ioctl

static d_mmap_t	agp_mmap

static struct cdevsw	agp_cdevsw

static devclass_t	agp_devclass

static u_int	agp_max [][2]

Macro Definition Documentation

◆ AGP_MAX_SIZE

#define AGP_MAX_SIZE nitems(agp_max)

Definition at line 189 of file agp.c.

Function Documentation

◆ __FBSDID()

__FBSDID ( "$FreeBSD$" )

◆ agp_acquire()

int agp_acquire ( device_t dev )

Definition at line 954 of file agp.c.

References agp_acquire_helper(), and AGP_ACQUIRE_KERNEL.

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◆ agp_acquire_helper()

static int agp_acquire_helper	(	device_t	dev,
		enum agp_acquire_state	state
	)

static

Definition at line 690 of file agp.c.

References AGP_ACQUIRE_FREE, and agp_softc::as_state.

Referenced by agp_acquire(), and agp_ioctl().

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◆ agp_alloc_gatt()

struct agp_gatt * agp_alloc_gatt ( device_t dev )

Definition at line 135 of file agp.c.

References agp_gatt::ag_entries, agp_gatt::ag_physical, and agp_gatt::ag_virtual.

Referenced by agp_ali_attach(), agp_amd64_attach(), agp_apple_attach(), agp_intel_attach(), agp_nvidia_attach(), agp_sis_attach(), and agp_via_attach().

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◆ agp_alloc_memory()

void * agp_alloc_memory	(	device_t	dev,
		int	type,
		vm_size_t	bytes
	)

Definition at line 971 of file agp.c.

References type.

◆ agp_allocate_user()

static int agp_allocate_user	(	device_t	dev,
		agp_allocate *	alloc
	)

static

Definition at line 760 of file agp.c.

References agp_memory::am_id, agp_memory::am_physical, and mem.

Referenced by agp_ioctl().

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◆ agp_bind_memory()

int agp_bind_memory	(	device_t	dev,
		void *	handle,
		vm_offset_t	offset
	)

Definition at line 982 of file agp.c.

References handle, mem, and offset.

◆ agp_bind_pages()

int agp_bind_pages	(	device_t	dev,
		vm_page_t *	pages,
		vm_size_t	size,
		vm_offset_t	offset
	)

Definition at line 1006 of file agp.c.

References AGP_DPF, agp_softc::as_lock, offset, and size.

◆ agp_bind_user()

static int agp_bind_user	(	device_t	dev,
		agp_bind *	bind
	)

static

Definition at line 790 of file agp.c.

References agp_find_memory(), and mem.

Referenced by agp_ioctl().

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◆ agp_chipset_flush()

static int agp_chipset_flush ( device_t dev )

static

Definition at line 812 of file agp.c.

Referenced by agp_ioctl().

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◆ agp_close()

static int agp_close	(	struct cdev *	kdev,
		int	fflag,
		int	devtype,
		struct thread *	td
	)

static

Definition at line 833 of file agp.c.

References AGP_ACQUIRE_USER, agp_release_helper(), agp_memory::am_is_bound, agp_softc::as_isopen, agp_softc::as_memory, agp_softc::as_state, and mem.

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◆ agp_deallocate_user()

static int agp_deallocate_user	(	device_t	dev,
		int	id
	)

static

Definition at line 777 of file agp.c.

References agp_find_memory(), and mem.

Referenced by agp_ioctl().

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◆ agp_enable()

int agp_enable	(	device_t	dev,
		u_int32_t	mode
	)

Definition at line 966 of file agp.c.

References mode.

◆ agp_find_caps()

u_int8_t agp_find_caps ( device_t dev )

Definition at line 92 of file agp.c.

Referenced by agp_ali_match(), agp_amd64_match(), agp_amd_match(), agp_apple_probe(), agp_ati_match(), agp_find_display(), agp_generic_enable(), agp_get_info(), agp_info_user(), agp_intel_match(), agp_sis_match(), agp_v2_enable(), agp_v3_enable(), agp_via_attach(), and agp_via_match().

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◆ agp_find_device()

device_t agp_find_device ( void )

Definition at line 910 of file agp.c.

References agp_devclass.

◆ agp_find_display()

static device_t agp_find_display ( void )

static

Definition at line 105 of file agp.c.

References agp_find_caps().

Referenced by agp_generic_enable().

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◆ agp_find_memory()

static struct agp_memory * agp_find_memory	(	device_t	dev,
		int	id
	)

static

Definition at line 717 of file agp.c.

References AGP_DPF, agp_memory::am_id, agp_softc::as_memory, and mem.

Referenced by agp_bind_user(), agp_deallocate_user(), and agp_unbind_user().

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◆ agp_free_cdev()

void agp_free_cdev ( device_t dev )

Definition at line 282 of file agp.c.

References agp_softc::as_devalias, and agp_softc::as_devnode.

Referenced by agp_ali_detach(), agp_amd64_detach(), agp_amd_detach(), agp_apple_detach(), agp_ati_detach(), agp_generic_detach(), agp_i810_detach(), agp_intel_detach(), agp_nvidia_detach(), agp_sis_detach(), and agp_via_detach().

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◆ agp_free_gatt()

void agp_free_gatt ( struct agp_gatt * gatt )

Definition at line 171 of file agp.c.

References agp_gatt::ag_entries, and agp_gatt::ag_virtual.

Referenced by agp_ali_detach(), agp_amd64_detach(), agp_apple_detach(), agp_intel_detach(), agp_nvidia_detach(), agp_sis_detach(), and agp_via_detach().

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◆ agp_free_memory()

void agp_free_memory	(	device_t	dev,
		void *	handle
	)

Definition at line 976 of file agp.c.

References handle, and mem.

◆ agp_free_res()

void agp_free_res ( device_t dev )

Definition at line 292 of file agp.c.

References agp_softc::as_aperture, agp_softc::as_aperture_rid, and agp_softc::as_lock.

Referenced by agp_ali_detach(), agp_amd64_detach(), agp_amd_detach(), agp_apple_detach(), agp_ati_detach(), agp_generic_attach(), agp_generic_detach(), agp_i810_detach(), agp_intel_detach(), agp_nvidia_detach(), agp_sis_detach(), and agp_via_detach().

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◆ agp_generic_alloc_memory()

struct agp_memory * agp_generic_alloc_memory	(	device_t	dev,
		int	type,
		vm_size_t	size
	)

Definition at line 496 of file agp.c.

References agp_memory::am_id, agp_memory::am_is_bound, agp_memory::am_obj, agp_memory::am_offset, agp_memory::am_physical, agp_memory::am_size, agp_memory::am_type, agp_softc::as_allocated, agp_softc::as_maxmem, agp_softc::as_memory, agp_softc::as_nextid, mem, size, and type.

◆ agp_generic_attach()

int agp_generic_attach ( device_t dev )

Definition at line 206 of file agp.c.

References AGP_APBASE, agp_cdevsw, agp_devclass, agp_free_res(), agp_max, AGP_MAX_SIZE, agp_softc::as_aperture, agp_softc::as_aperture_rid, agp_softc::as_devalias, agp_softc::as_devnode, agp_softc::as_lock, agp_softc::as_maxmem, agp_softc::as_memory, and agp_softc::as_nextid.

Referenced by agp_ali_attach(), agp_amd64_attach(), agp_amd_attach(), agp_apple_attach(), agp_ati_attach(), agp_i810_attach(), agp_intel_attach(), agp_nvidia_attach(), agp_sis_attach(), and agp_via_attach().

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◆ agp_generic_bind_memory()

int agp_generic_bind_memory	(	device_t	dev,
		struct agp_memory *	mem,
		vm_offset_t	offset
	)

Definition at line 543 of file agp.c.

References AGP_DPF, agp_memory::am_is_bound, agp_memory::am_obj, agp_memory::am_offset, agp_memory::am_size, agp_softc::as_lock, mem, and offset.

Referenced by agp_i810_bind_memory().

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◆ agp_generic_detach()

int agp_generic_detach ( device_t dev )

Definition at line 303 of file agp.c.

References agp_free_cdev(), and agp_free_res().

Referenced by agp_ali_attach(), agp_amd64_attach(), agp_amd_attach(), agp_apple_attach(), agp_ati_attach(), agp_i810_attach(), agp_intel_attach(), agp_nvidia_attach(), agp_sis_attach(), and agp_via_attach().

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◆ agp_generic_enable()

int agp_generic_enable	(	device_t	dev,
		u_int32_t	mode
	)

Definition at line 466 of file agp.c.

References AGP_DPF, agp_find_caps(), agp_find_display(), AGP_STATUS, agp_v2_enable(), agp_v3_enable(), and mode.

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◆ agp_generic_free_memory()

int agp_generic_free_memory	(	device_t	dev,
		struct agp_memory *	mem
	)

Definition at line 528 of file agp.c.

References agp_memory::am_is_bound, agp_memory::am_obj, agp_memory::am_size, agp_softc::as_allocated, agp_softc::as_memory, and mem.

◆ agp_generic_get_aperture()

u_int32_t agp_generic_get_aperture ( device_t dev )

Default AGP aperture size detection which simply returns the size of the aperture's PCI resource.

Definition at line 316 of file agp.c.

References agp_softc::as_aperture.

◆ agp_generic_set_aperture()

int agp_generic_set_aperture	(	device_t	dev,
		u_int32_t	aperture
	)

Default AGP aperture size setting function, which simply doesn't allow changes to resource size.

Definition at line 328 of file agp.c.

References aperture.

Referenced by agp_i915_set_aperture().

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◆ agp_generic_unbind_memory()

int agp_generic_unbind_memory	(	device_t	dev,
		struct agp_memory *	mem
	)

Definition at line 649 of file agp.c.

References agp_memory::am_is_bound, agp_memory::am_obj, agp_memory::am_offset, agp_memory::am_size, agp_softc::as_lock, and mem.

Referenced by agp_i810_unbind_memory().

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◆ agp_get_info()

void agp_get_info	(	device_t	dev,
		struct agp_info *	info
	)

Definition at line 938 of file agp.c.

References agp_find_caps(), AGP_STATUS, agp_info::ai_aperture_base, agp_info::ai_aperture_size, agp_info::ai_memory_allowed, agp_info::ai_memory_used, agp_info::ai_mode, agp_softc::as_allocated, agp_softc::as_aperture, and agp_softc::as_maxmem.

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◆ agp_info_user()

static int agp_info_user	(	device_t	dev,
		agp_info *	info
	)

static

Definition at line 734 of file agp.c.

References agp_find_caps(), AGP_STATUS, agp_softc::as_allocated, agp_softc::as_aperture, and agp_softc::as_maxmem.

Referenced by agp_ioctl().

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◆ agp_ioctl()

static int agp_ioctl	(	struct cdev *	kdev,
		u_long	cmd,
		caddr_t	data,
		int	fflag,
		struct thread *	td
	)

static

Definition at line 856 of file agp.c.

References agp_acquire_helper(), AGP_ACQUIRE_USER, agp_allocate_user(), agp_bind_user(), agp_chipset_flush(), agp_deallocate_user(), agp_info_user(), agp_release_helper(), agp_setup_user(), and agp_unbind_user().

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◆ agp_memory_info()

void agp_memory_info	(	device_t	dev,
		void *	handle,
		struct agp_memory_info *	mi
	)

Definition at line 994 of file agp.c.

References agp_memory::am_is_bound, agp_memory::am_offset, agp_memory::am_physical, agp_memory::am_size, agp_memory_info::ami_is_bound, agp_memory_info::ami_offset, agp_memory_info::ami_physical, agp_memory_info::ami_size, handle, and mem.

◆ agp_mmap()

static int agp_mmap	(	struct cdev *	kdev,
		vm_ooffset_t	offset,
		vm_paddr_t *	paddr,
		int	prot,
		vm_memattr_t *	memattr
	)

static

Definition at line 893 of file agp.c.

References agp_softc::as_aperture, and offset.

◆ agp_open()

static int agp_open	(	struct cdev *	kdev,
		int	oflags,
		int	devtype,
		struct thread *	td
	)

static

Definition at line 819 of file agp.c.

References agp_softc::as_isopen.

◆ agp_release()

int agp_release ( device_t dev )

Definition at line 960 of file agp.c.

References AGP_ACQUIRE_KERNEL, and agp_release_helper().

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◆ agp_release_helper()

static int agp_release_helper	(	device_t	dev,
		enum agp_acquire_state	state
	)

static

Definition at line 702 of file agp.c.

References AGP_ACQUIRE_FREE, and agp_softc::as_state.

Referenced by agp_close(), agp_ioctl(), and agp_release().

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◆ agp_set_aperture_resource()

void agp_set_aperture_resource	(	device_t	dev,
		int	rid
	)

Sets the PCI resource which represents the AGP aperture.

If not called, the default AGP aperture resource of AGP_APBASE will be used. Must be called before agp_generic_attach().

Definition at line 198 of file agp.c.

References agp_softc::as_aperture_rid.

Referenced by agp_apple_attach(), and agp_i810_attach().

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◆ agp_setup_user()

static int agp_setup_user	(	device_t	dev,
		agp_setup *	setup
	)

static

Definition at line 754 of file agp.c.

Referenced by agp_ioctl().

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◆ agp_state()

enum agp_acquire_state agp_state ( device_t dev )

Definition at line 931 of file agp.c.

References agp_softc::as_state.

◆ agp_unbind_memory()

int agp_unbind_memory	(	device_t	dev,
		void *	handle
	)

Definition at line 988 of file agp.c.

References handle, and mem.

◆ agp_unbind_pages()

int agp_unbind_pages	(	device_t	dev,
		vm_size_t	size,
		vm_offset_t	offset
	)

Definition at line 1057 of file agp.c.

References agp_softc::as_lock, offset, and size.

◆ agp_unbind_user()

static int agp_unbind_user	(	device_t	dev,
		agp_unbind *	unbind
	)

static

Definition at line 801 of file agp.c.

References agp_find_memory(), and mem.

Referenced by agp_ioctl().

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◆ agp_v2_enable()

static int agp_v2_enable	(	device_t	dev,
		device_t	mdev,
		u_int32_t	mode
	)

static

Definition at line 413 of file agp.c.

References AGP_COMMAND, agp_find_caps(), AGP_STATUS, and mode.

Referenced by agp_generic_enable().

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◆ agp_v3_enable()

static int agp_v3_enable	(	device_t	dev,
		device_t	mdev,
		u_int32_t	mode
	)

static

Definition at line 344 of file agp.c.

References AGP_COMMAND, agp_find_caps(), AGP_STATUS, and mode.

Referenced by agp_generic_enable().

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◆ MALLOC_DEFINE()

MALLOC_DEFINE	(	M_AGP	,
		"agp"	,
		"AGP data structures"
	)

◆ MODULE_VERSION()

MODULE_VERSION	(	agp	,
		1
	)

Variable Documentation

◆ agp_cdevsw

struct cdevsw agp_cdevsw

static

Initial value:

= {
        .d_version =    D_VERSION,
        .d_flags =      D_NEEDGIANT,
        .d_open =       agp_open,
        .d_close =      agp_close,
        .d_ioctl =      agp_ioctl,
        .d_mmap =       agp_mmap,
        .d_name =       "agp",
}

Definition at line 77 of file agp.c.

Referenced by agp_generic_attach().

◆ agp_close

d_close_t agp_close

static

Definition at line 73 of file agp.c.

◆ agp_devclass

devclass_t agp_devclass

static

Definition at line 87 of file agp.c.

Referenced by agp_find_device(), and agp_generic_attach().

◆ agp_ioctl

d_ioctl_t agp_ioctl

static

Definition at line 74 of file agp.c.

◆ agp_max

u_int agp_max[][2]

static

Initial value:

= {
        {0,     0},
        {32,    4},
        {64,    28},
        {128,   96},
        {256,   204},
        {512,   440},
        {1024,  942},
        {2048,  1920},
        {4096,  3932}
}

Definition at line 178 of file agp.c.

Referenced by agp_generic_attach().

◆ agp_mmap

d_mmap_t agp_mmap

static

Definition at line 75 of file agp.c.

◆ agp_open

d_open_t agp_open

static

Definition at line 72 of file agp.c.

Macros

Functions

Variables

Macro Definition Documentation

◆ AGP_MAX_SIZE

Function Documentation

◆ __FBSDID()

◆ agp_acquire()

◆ agp_acquire_helper()

◆ agp_alloc_gatt()

◆ agp_alloc_memory()

◆ agp_allocate_user()

◆ agp_bind_memory()

◆ agp_bind_pages()

◆ agp_bind_user()

◆ agp_chipset_flush()

◆ agp_close()

◆ agp_deallocate_user()

◆ agp_enable()

◆ agp_find_caps()

◆ agp_find_device()

◆ agp_find_display()

◆ agp_find_memory()

◆ agp_free_cdev()

◆ agp_free_gatt()

◆ agp_free_memory()

◆ agp_free_res()

◆ agp_generic_alloc_memory()

◆ agp_generic_attach()

◆ agp_generic_bind_memory()

◆ agp_generic_detach()

◆ agp_generic_enable()

◆ agp_generic_free_memory()

◆ agp_generic_get_aperture()

◆ agp_generic_set_aperture()

◆ agp_generic_unbind_memory()

◆ agp_get_info()

◆ agp_info_user()

◆ agp_ioctl()

◆ agp_memory_info()

◆ agp_mmap()

◆ agp_open()

◆ agp_release()

◆ agp_release_helper()

◆ agp_set_aperture_resource()

◆ agp_setup_user()

◆ agp_state()

◆ agp_unbind_memory()

◆ agp_unbind_pages()

◆ agp_unbind_user()

◆ agp_v2_enable()

◆ agp_v3_enable()

◆ MALLOC_DEFINE()

◆ MODULE_VERSION()

Variable Documentation

◆ agp_cdevsw

◆ agp_close

◆ agp_devclass

◆ agp_ioctl

◆ agp_max

◆ agp_mmap

◆ agp_open