pci_pci.c File Reference

#include <sys/cdefs.h>
#include "opt_pci.h"
#include <sys/param.h>
#include <sys/bus.h>
#include <sys/kernel.h>
#include <sys/lock.h>
#include <sys/malloc.h>
#include <sys/module.h>
#include <sys/mutex.h>
#include <sys/pciio.h>
#include <sys/rman.h>
#include <sys/sysctl.h>
#include <sys/systm.h>
#include <sys/taskqueue.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pci_private.h>
#include <dev/pci/pcib_private.h>
#include "pcib_if.h"

Include dependency graph for pci_pci.c:

Go to the source code of this file.

Functions
	__FBSDID ("$FreeBSD$")
static int	pcib_probe (device_t dev)
static int	pcib_suspend (device_t dev)
static int	pcib_resume (device_t dev)
static int	pcib_power_for_sleep (device_t pcib, device_t dev, int *pstate)
static int	pcib_ari_get_id (device_t pcib, device_t dev, enum pci_id_type type, uintptr_t *id)
static uint32_t	pcib_read_config (device_t dev, u_int b, u_int s, u_int f, u_int reg, int width)
static void	pcib_write_config (device_t dev, u_int b, u_int s, u_int f, u_int reg, uint32_t val, int width)
static int	pcib_ari_maxslots (device_t dev)
static int	pcib_ari_maxfuncs (device_t dev)
static int	pcib_try_enable_ari (device_t pcib, device_t dev)
static int	pcib_ari_enabled (device_t pcib)
static void	pcib_ari_decode_rid (device_t pcib, uint16_t rid, int *bus, int *slot, int *func)
static int	pcib_request_feature_default (device_t pcib, device_t dev, enum pci_feature feature)
static int	pcib_reset_child (device_t dev, device_t child, int flags)
	DEFINE_CLASS_0 (pcib, pcib_driver, pcib_methods, sizeof(struct pcib_softc))
	EARLY_DRIVER_MODULE (pcib, pci, pcib_driver, pcib_devclass, NULL, NULL, BUS_PASS_BUS)
static int	pcib_is_prefetch_open (struct pcib_softc *sc)
static int	pcib_is_nonprefetch_open (struct pcib_softc *sc)
static int	pcib_is_io_open (struct pcib_softc *sc)
static void	pcib_get_io_decode (struct pcib_softc *sc)
static void	pcib_get_mem_decode (struct pcib_softc *sc)
static void	pcib_set_io_decode (struct pcib_softc *sc)
static void	pcib_set_mem_decode (struct pcib_softc *sc)
static void	pcib_cfg_save (struct pcib_softc *sc)
static void	pcib_cfg_restore (struct pcib_softc *sc)
void	pcib_attach_common (device_t dev)
int	pcib_attach_child (device_t dev)
int	pcib_attach (device_t dev)
int	pcib_detach (device_t dev)
void	pcib_bridge_init (device_t dev)
int	pcib_child_present (device_t dev, device_t child)
int	pcib_read_ivar (device_t dev, device_t child, int which, uintptr_t *result)
int	pcib_write_ivar (device_t dev, device_t child, int which, uintptr_t value)
struct resource *	pcib_alloc_resource (device_t dev, device_t child, int type, int *rid, rman_res_t start, rman_res_t end, rman_res_t count, u_int flags)
static __inline void	pcib_xlate_ari (device_t pcib, int bus, int *slot, int *func)
static void	pcib_enable_ari (struct pcib_softc *sc, uint32_t pcie_pos)
int	pcib_maxslots (device_t dev)
int	pcib_route_interrupt (device_t pcib, device_t dev, int pin)
int	pcib_alloc_msi (device_t pcib, device_t dev, int count, int maxcount, int *irqs)
int	pcib_release_msi (device_t pcib, device_t dev, int count, int *irqs)
int	pcib_alloc_msix (device_t pcib, device_t dev, int *irq)
int	pcib_release_msix (device_t pcib, device_t dev, int irq)
int	pcib_map_msi (device_t pcib, device_t dev, int irq, uint64_t *addr, uint32_t *data)
int	pcib_request_feature_allow (device_t pcib, device_t dev, enum pci_feature feature)
int	pcib_request_feature (device_t dev, enum pci_feature feature)

Variables
static device_method_t	pcib_methods []
static devclass_t	pcib_devclass

Function Documentation

__FBSDID()

__FBSDID

(

"$FreeBSD$"

)

DEFINE_CLASS_0()

DEFINE_CLASS_0	(	pcib	,
		pcib_driver	,
		pcib_methods	,
		sizeof(struct pcib_softc)
	)

EARLY_DRIVER_MODULE()

EARLY_DRIVER_MODULE	(	pcib	,
		pci	,
		pcib_driver	,
		pcib_devclass	,
		NULL	,
		NULL	,
		BUS_PASS_BUS
	)

pcib_alloc_msi()

int pcib_alloc_msi	(	device_t	pcib,
		device_t	dev,
		int	count,
		int	maxcount,
		int *	irqs
	)

Definition at line 2773 of file pci_pci.c.

References bus, count, dev, pcib_softc::flags, irqs, maxcount, pcib, and PCIB_DISABLE_MSI.

pcib_alloc_msix()

int pcib_alloc_msix	(	device_t	pcib,
		device_t	dev,
		int *	irq
	)

Definition at line 2797 of file pci_pci.c.

References bus, dev, pcib_softc::flags, irq, pcib, and PCIB_DISABLE_MSIX.

pcib_alloc_resource()

struct resource * pcib_alloc_resource	(	device_t	dev,
		device_t	child,
		int	type,
		int *	rid,
		rman_res_t	start,
		rman_res_t	end,
		rman_res_t	count,
		u_int	flags
	)

Definition at line 2439 of file pci_pci.c.

References pcib_softc::bridgectl, child, count, dev, pcib_softc::flags, pcib_softc::iobase, pcib_softc::iolimit, pcib_softc::membase, pcib_softc::memlimit, name, PCIB_BCR_VGA_ENABLE, pcib_is_io_open(), pcib_is_nonprefetch_open(), pcib_is_prefetch_open(), PCIB_SUBTRACTIVE, pcib_softc::pmembase, pcib_softc::pmemlimit, rid, start, and type.

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pcib_ari_decode_rid()

static void pcib_ari_decode_rid ( device_t  pcib, uint16_t  rid, int *  bus, int *  slot, int *  func  )

static

Definition at line 2677 of file pci_pci.c.

References bus, pcib_softc::flags, func, PCI_RID2BUS, PCI_RID2FUNC, PCI_RID2SLOT, pcib, PCIB_ENABLE_ARI, PCIE_ARI_RID2FUNC, PCIE_ARI_RID2SLOT, rid, and slot.

pcib_ari_enabled()

static int pcib_ari_enabled ( device_t  pcib )

static

Definition at line 2846 of file pci_pci.c.

References pcib_softc::flags, pcib, and PCIB_ENABLE_ARI.

pcib_ari_get_id()

static int pcib_ari_get_id ( device_t  pcib, device_t  dev, enum pci_id_type  type, uintptr_t *  id  )

static

Definition at line 2856 of file pci_pci.c.

References bus, dev, pcib_softc::flags, func, PCI_ARI_RID, PCI_ID_RID, PCI_RID, pcib, PCIB_ENABLE_ARI, slot, and type.

pcib_ari_maxfuncs()

static int pcib_ari_maxfuncs ( device_t  dev )

static

Definition at line 2664 of file pci_pci.c.

References dev, pcib_softc::flags, PCI_FUNCMAX, PCIB_ENABLE_ARI, and PCIE_ARI_FUNCMAX.

pcib_ari_maxslots()

static int pcib_ari_maxslots ( device_t  dev )

static

Definition at line 2651 of file pci_pci.c.

References dev, pcib_softc::flags, PCIB_ENABLE_ARI, pcib_maxslots(), and PCIE_ARI_SLOTMAX.

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pcib_attach()

int pcib_attach

(

device_t

dev

)

Definition at line 1755 of file pci_pci.c.

References dev, pcib_attach_child(), and pcib_attach_common().

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pcib_attach_child()

int pcib_attach_child

(

device_t

dev

)

Definition at line 1733 of file pci_pci.c.

References pcib_softc::bus, pcib_softc::child, dev, and pcib_secbus::sec.

Referenced by pcib_attach().

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pcib_attach_common()

void pcib_attach_common

(

device_t

dev

)

Definition at line 1537 of file pci_pci.c.

References pcib_softc::bridgectl, pcib_softc::bus, dev, pcib_softc::dev, pcib_softc::domain, pcib_softc::flags, pcib_softc::iobase, pcib_softc::iolimit, pcib_softc::membase, pcib_softc::memlimit, pci_msi_device_blacklisted(), pci_msix_device_blacklisted(), PCIB_BCR_ISA_ENABLE, PCIB_BCR_VGA_ENABLE, pcib_cfg_save(), PCIB_DISABLE_MSI, PCIB_DISABLE_MSIX, PCIB_HOTPLUG, pcib_is_io_open(), pcib_is_nonprefetch_open(), pcib_is_prefetch_open(), PCIB_SUBTRACTIVE, PCIP_BRIDGE_PCI_SUBTRACTIVE, PCIR_BRIDGECTL_1, PCIR_PRIBUS_1, PCIR_PROGIF, PCIR_SECBUS_1, PCIR_SUBBUS_1, pcib_softc::pmembase, pcib_softc::pmemlimit, pcib_softc::pribus, pcib_secbus::sec, and pcib_secbus::sub.

Referenced by pcib_attach().

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pcib_bridge_init()

void pcib_bridge_init

(

device_t

dev

)

Definition at line 1818 of file pci_pci.c.

References dev, PCIR_IOBASEH_1, PCIR_IOBASEL_1, PCIR_IOLIMITH_1, PCIR_IOLIMITL_1, PCIR_MEMBASE_1, PCIR_MEMLIMIT_1, PCIR_PMBASEH_1, PCIR_PMBASEL_1, PCIR_PMLIMITH_1, and PCIR_PMLIMITL_1.

pcib_cfg_restore()

static void pcib_cfg_restore ( struct pcib_softc *  sc )

static

Definition at line 1505 of file pci_pci.c.

References pcib_softc::dev, pcib_set_io_decode(), pcib_set_mem_decode(), PCIM_CMD_MEMEN, PCIM_CMD_PORTEN, and PCIR_COMMAND.

Referenced by pcib_resume().

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pcib_cfg_save()

static void pcib_cfg_save ( struct pcib_softc *  sc )

static

Definition at line 1485 of file pci_pci.c.

References dev, pcib_softc::dev, pcib_get_io_decode(), pcib_get_mem_decode(), PCIM_CMD_MEMEN, PCIM_CMD_PORTEN, and PCIR_COMMAND.

Referenced by pcib_attach_common(), and pcib_suspend().

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pcib_child_present()

int pcib_child_present	(	device_t	dev,
		device_t	child
	)

Definition at line 1833 of file pci_pci.c.

References dev, pcib_softc::flags, and PCIB_HOTPLUG.

pcib_detach()

int pcib_detach

(

device_t

dev

)

Definition at line 1763 of file pci_pci.c.

References pcib_softc::bus, dev, pcib_softc::flags, and PCIB_HOTPLUG.

pcib_enable_ari()

static void pcib_enable_ari ( struct pcib_softc *  sc, uint32_t  pcie_pos  )

static

Definition at line 2614 of file pci_pci.c.

References pcib_softc::dev, pcib_softc::flags, PCIB_ENABLE_ARI, PCIEM_CTL2_ARI, and PCIER_DEVICE_CTL2.

Referenced by pcib_try_enable_ari().

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pcib_get_io_decode()

static void pcib_get_io_decode ( struct pcib_softc *  sc )

static

Definition at line 832 of file pci_pci.c.

References dev, pcib_softc::dev, pcib_softc::iobase, pcib_softc::iolimit, PCI_PPBIOBASE, PCI_PPBIOLIMIT, PCIM_BRIO_32, PCIM_BRIO_MASK, PCIR_IOBASEH_1, PCIR_IOBASEL_1, PCIR_IOLIMITH_1, and PCIR_IOLIMITL_1.

Referenced by pcib_cfg_save().

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pcib_get_mem_decode()

static void pcib_get_mem_decode ( struct pcib_softc *  sc )

static

Definition at line 858 of file pci_pci.c.

References dev, pcib_softc::dev, pcib_softc::membase, pcib_softc::memlimit, PCI_PPBMEMBASE, PCI_PPBMEMLIMIT, PCIM_BRPM_64, PCIM_BRPM_MASK, PCIR_MEMBASE_1, PCIR_MEMLIMIT_1, PCIR_PMBASEH_1, PCIR_PMBASEL_1, PCIR_PMLIMITH_1, PCIR_PMLIMITL_1, pcib_softc::pmembase, and pcib_softc::pmemlimit.

Referenced by pcib_cfg_save().

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pcib_is_io_open()

static int pcib_is_io_open ( struct pcib_softc *  sc )

static

Definition at line 823 of file pci_pci.c.

References pcib_softc::iobase, and pcib_softc::iolimit.

Referenced by pcib_alloc_resource(), and pcib_attach_common().

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pcib_is_nonprefetch_open()

static int pcib_is_nonprefetch_open ( struct pcib_softc *  sc )

static

Definition at line 814 of file pci_pci.c.

References pcib_softc::membase, and pcib_softc::memlimit.

Referenced by pcib_alloc_resource(), and pcib_attach_common().

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pcib_is_prefetch_open()

static int pcib_is_prefetch_open ( struct pcib_softc *  sc )

static

Definition at line 805 of file pci_pci.c.

References pcib_softc::pmembase, and pcib_softc::pmemlimit.

Referenced by pcib_alloc_resource(), and pcib_attach_common().

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pcib_map_msi()

int pcib_map_msi	(	device_t	pcib,
		device_t	dev,
		int	irq,
		uint64_t *	addr,
		uint32_t *	data
	)

Definition at line 2820 of file pci_pci.c.

References addr, bus, data, dev, irq, pci_ht_map_msi(), and pcib.

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pcib_maxslots()

int pcib_maxslots

(

device_t

dev

)

Definition at line 2629 of file pci_pci.c.

References dev, PCI_SLOTMAX, PCIEM_FLAGS_TYPE, PCIEM_TYPE_DOWNSTREAM_PORT, PCIEM_TYPE_ROOT_PORT, PCIER_FLAGS, PCIY_EXPRESS, and val.

Referenced by pcib_ari_maxslots().

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pcib_power_for_sleep()

int pcib_power_for_sleep ( device_t  pcib, device_t  dev, int *  pstate  )

static

Definition at line 2837 of file pci_pci.c.

References bus, dev, pcib, and pstate.

pcib_probe()

static int pcib_probe ( device_t  dev )

static

Definition at line 1526 of file pci_pci.c.

References dev, PCIC_BRIDGE, and PCIS_BRIDGE_PCI.

pcib_read_config()

static uint32_t pcib_read_config ( device_t  dev, u_int  b, u_int  s, u_int  f, u_int  reg, int  width  )

static

Definition at line 2698 of file pci_pci.c.

References dev, pcib_xlate_ari(), reg, and width.

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pcib_read_ivar()

int pcib_read_ivar	(	device_t	dev,
		device_t	child,
		int	which,
		uintptr_t *	result
	)

Definition at line 1849 of file pci_pci.c.

References pcib_softc::bus, dev, pcib_softc::domain, and pcib_secbus::sec.

pcib_release_msi()

int pcib_release_msi	(	device_t	pcib,
		device_t	dev,
		int	count,
		int *	irqs
	)

Definition at line 2787 of file pci_pci.c.

References bus, count, dev, irqs, and pcib.

pcib_release_msix()

int pcib_release_msix	(	device_t	pcib,
		device_t	dev,
		int	irq
	)

Definition at line 2810 of file pci_pci.c.

References bus, dev, irq, and pcib.

pcib_request_feature()

int pcib_request_feature	(	device_t	dev,
		enum pci_feature	feature
	)

Definition at line 2963 of file pci_pci.c.

References dev, and feature.

pcib_request_feature_allow()

int pcib_request_feature_allow	(	device_t	pcib,
		device_t	dev,
		enum pci_feature	feature
	)

Definition at line 2944 of file pci_pci.c.

References feature, PCI_FEATURE_AER, and PCI_FEATURE_HP.

pcib_request_feature_default()

static int pcib_request_feature_default ( device_t  pcib, device_t  dev, enum pci_feature  feature  )

static

Definition at line 2981 of file pci_pci.c.

References bus, dev, feature, and pcib.

pcib_reset_child()

static int pcib_reset_child ( device_t  dev, device_t  child, int  flags  )

static

Definition at line 2996 of file pci_pci.c.

References child, dev, pcie_link_reset(), PCIEM_TYPE_DOWNSTREAM_PORT, and PCIEM_TYPE_ROOT_PORT.

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pcib_resume()

int pcib_resume ( device_t  dev )

static

Definition at line 1804 of file pci_pci.c.

References dev, pcib_cfg_restore(), and PCIR_COMMAND.

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pcib_route_interrupt()

int pcib_route_interrupt	(	device_t	pcib,
		device_t	dev,
		int	pin
	)

Definition at line 2739 of file pci_pci.c.

References bus, dev, pcib, and pin.

pcib_set_io_decode()

static void pcib_set_io_decode ( struct pcib_softc *  sc )

static

Definition at line 889 of file pci_pci.c.

References dev, pcib_softc::dev, pcib_softc::iobase, pcib_softc::iolimit, PCIR_IOBASEH_1, PCIR_IOBASEL_1, PCIR_IOLIMITH_1, and PCIR_IOLIMITL_1.

Referenced by pcib_cfg_restore().

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pcib_set_mem_decode()

static void pcib_set_mem_decode ( struct pcib_softc *  sc )

static

Definition at line 911 of file pci_pci.c.

References dev, pcib_softc::dev, pcib_softc::membase, pcib_softc::memlimit, PCIR_MEMBASE_1, PCIR_MEMLIMIT_1, PCIR_PMBASEH_1, PCIR_PMBASEL_1, PCIR_PMLIMITH_1, PCIR_PMLIMITL_1, pcib_softc::pmembase, and pcib_softc::pmemlimit.

Referenced by pcib_cfg_restore().

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pcib_suspend()

int pcib_suspend ( device_t  dev )

static

Definition at line 1796 of file pci_pci.c.

References dev, and pcib_cfg_save().

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pcib_try_enable_ari()

static int pcib_try_enable_ari ( device_t  pcib, device_t  dev  )

static

Definition at line 2891 of file pci_pci.c.

References dev, PCI_EXTCAP_VER, pcib, pcib_enable_ari(), PCIB_SUPPORTED_ARI_VER, PCIEM_CAP2_ARI, PCIER_DEVICE_CAP2, PCIY_EXPRESS, and PCIZ_ARI.

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pcib_write_config()

static void pcib_write_config ( device_t  dev, u_int  b, u_int  s, u_int  f, u_int  reg, uint32_t  val, int  width  )

static

Definition at line 2721 of file pci_pci.c.

References dev, pcib_xlate_ari(), reg, val, and width.

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pcib_write_ivar()

int pcib_write_ivar	(	device_t	dev,
		device_t	child,
		int	which,
		uintptr_t	value
	)

Definition at line 1865 of file pci_pci.c.

pcib_xlate_ari()

static __inline void pcib_xlate_ari ( device_t  pcib, int  bus, int *  slot, int *  func  )

static

Definition at line 2597 of file pci_pci.c.

References pcib_softc::flags, func, pcib, PCIB_ENABLE_ARI, PCIE_ARI_FUNC, PCIE_ARI_SLOT, and slot.

Referenced by pcib_read_config(), and pcib_write_config().

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Variable Documentation

pcib_devclass

devclass_t pcib_devclass

static

Definition at line 136 of file pci_pci.c.

pcib_methods

device_method_t pcib_methods[]

static

Definition at line 88 of file pci_pci.c.