pci_n1sdp.c File Reference

#include <sys/cdefs.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/malloc.h>
#include <sys/bus.h>
#include <sys/endian.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/rman.h>
#include <vm/vm.h>
#include <vm/vm_extern.h>
#include <vm/vm_page.h>
#include <vm/vm_phys.h>
#include <contrib/dev/acpica/include/acpi.h>
#include <contrib/dev/acpica/include/accommon.h>
#include <dev/acpica/acpivar.h>
#include <dev/acpica/acpi_pcibvar.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcib_private.h>
#include <dev/pci/pci_host_generic.h>
#include <dev/pci/pci_host_generic_acpi.h>
#include "pcib_if.h"

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Data Structures
struct	pcie_discovery_data
struct	generic_pcie_n1sdp_softc

Macros
#define	AP_NS_SHARED_MEM_BASE   0x06000000
#define	N1SDP_MAX_SEGMENTS   2 /* Two PCIe root complex devices. */
#define	BDF_TABLE_SIZE   (16 * 1024)
#define	PCI_CFG_SPACE_SIZE   0x1000

Functions
	__FBSDID ("$FreeBSD$")
	_Static_assert (BDF_TABLE_SIZE >=PAGE_SIZE, "pci_n1sdp.c assumes a 4k or 16k page size when mapping the shared data")
static int	n1sdp_init (struct generic_pcie_n1sdp_softc *sc)
static int	n1sdp_check_bdf (struct generic_pcie_n1sdp_softc *sc, u_int bus, u_int slot, u_int func)
static int	n1sdp_pcie_acpi_probe (device_t dev)
static int	n1sdp_pcie_acpi_attach (device_t dev)
static int	n1sdp_get_bus_space (device_t dev, u_int bus, u_int slot, u_int func, u_int reg, bus_space_tag_t *bst, bus_space_handle_t *bsh, bus_size_t *offset)
static uint32_t	n1sdp_pcie_read_config (device_t dev, u_int bus, u_int slot, u_int func, u_int reg, int bytes)
static void	n1sdp_pcie_write_config (device_t dev, u_int bus, u_int slot, u_int func, u_int reg, uint32_t val, int bytes)
	DEFINE_CLASS_1 (pcib, n1sdp_pcie_acpi_driver, n1sdp_pcie_acpi_methods, sizeof(struct generic_pcie_n1sdp_softc), generic_pcie_acpi_driver)
	DRIVER_MODULE (n1sdp_pcib, acpi, n1sdp_pcie_acpi_driver, n1sdp_pcie_acpi_devclass, 0, 0)

Variables
static device_method_t	n1sdp_pcie_acpi_methods []
static devclass_t	n1sdp_pcie_acpi_devclass

Macro Definition Documentation

AP_NS_SHARED_MEM_BASE

#define AP_NS_SHARED_MEM_BASE   0x06000000

Definition at line 65 of file pci_n1sdp.c.

BDF_TABLE_SIZE

#define BDF_TABLE_SIZE   (16 * 1024)

Definition at line 67 of file pci_n1sdp.c.

N1SDP_MAX_SEGMENTS

#define N1SDP_MAX_SEGMENTS   2 /* Two PCIe root complex devices. */

Definition at line 66 of file pci_n1sdp.c.

PCI_CFG_SPACE_SIZE

#define PCI_CFG_SPACE_SIZE   0x1000

Definition at line 68 of file pci_n1sdp.c.

Function Documentation

__FBSDID()

__FBSDID

(

"$FreeBSD$"

)

_Static_assert()

_Static_assert	(	BDF_TABLE_SIZE >=	PAGE_SIZE,
		"pci_n1sdp.c assumes a 4k or 16k page size when mapping the shared data"
	)

DEFINE_CLASS_1()

DEFINE_CLASS_1	(	pcib	,
		n1sdp_pcie_acpi_driver	,
		n1sdp_pcie_acpi_methods	,
		sizeof(struct generic_pcie_n1sdp_softc)	,
		generic_pcie_acpi_driver
	)

DRIVER_MODULE()

DRIVER_MODULE	(	n1sdp_pcib	,
		acpi	,
		n1sdp_pcie_acpi_driver	,
		n1sdp_pcie_acpi_devclass	,
		0	,
		0
	)

n1sdp_check_bdf()

static int n1sdp_check_bdf ( struct generic_pcie_n1sdp_softc *  sc, u_int  bus, u_int  slot, u_int  func  )

static

Definition at line 144 of file pci_n1sdp.c.

References bus, func, generic_pcie_n1sdp_softc::n1_discovery_data, pcie_discovery_data::nr_bdfs, PCIE_ADDR_OFFSET, slot, and pcie_discovery_data::valid_bdfs.

Referenced by n1sdp_get_bus_space().

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n1sdp_get_bus_space()

static int n1sdp_get_bus_space ( device_t  dev, u_int  bus, u_int  slot, u_int  func, u_int  reg, bus_space_tag_t *  bst, bus_space_handle_t *  bsh, bus_size_t *  offset  )

static

Definition at line 233 of file pci_n1sdp.c.

References generic_pcie_n1sdp_softc::acpi, generic_pcie_acpi_softc::base, generic_pcie_core_softc::bsh, generic_pcie_core_softc::bst, bus, generic_pcie_core_softc::bus_start, dev, func, generic_pcie_n1sdp_softc::n1_bsh, n1sdp_check_bdf(), PCIE_ADDR_OFFSET, reg, and slot.

Referenced by n1sdp_pcie_read_config(), and n1sdp_pcie_write_config().

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n1sdp_init()

static int n1sdp_init ( struct generic_pcie_n1sdp_softc *  sc )

static

Definition at line 86 of file pci_n1sdp.c.

References generic_pcie_n1sdp_softc::acpi, AP_NS_SHARED_MEM_BASE, generic_pcie_acpi_softc::base, BDF_TABLE_SIZE, generic_pcie_core_softc::bst, generic_pcie_n1sdp_softc::n1_bsh, generic_pcie_n1sdp_softc::n1_discovery_data, pcie_discovery_data::nr_bdfs, PCI_CFG_SPACE_SIZE, pcie_discovery_data::rc_base_addr, generic_pcie_acpi_softc::segment, and pcie_discovery_data::valid_bdfs.

Referenced by n1sdp_pcie_acpi_attach().

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n1sdp_pcie_acpi_attach()

static int n1sdp_pcie_acpi_attach ( device_t  dev )

static

Definition at line 197 of file pci_n1sdp.c.

References generic_pcie_n1sdp_softc::acpi, dev, n1sdp_init(), N1SDP_MAX_SEGMENTS, pci_host_generic_acpi_init(), generic_pcie_acpi_softc::segment, and status.

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n1sdp_pcie_acpi_probe()

static int n1sdp_pcie_acpi_probe ( device_t  dev )

static

Definition at line 165 of file pci_n1sdp.c.

References dev, and status.

n1sdp_pcie_read_config()

static uint32_t n1sdp_pcie_read_config ( device_t  dev, u_int  bus, u_int  slot, u_int  func, u_int  reg, int  bytes  )

static

Definition at line 259 of file pci_n1sdp.c.

References generic_pcie_n1sdp_softc::acpi, generic_pcie_acpi_softc::base, bus, generic_pcie_core_softc::bus_end, generic_pcie_core_softc::bus_start, data, dev, func, n1sdp_get_bus_space(), PCI_FUNCMAX, PCI_SLOTMAX, PCIE_REGMAX, reg, and slot.

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n1sdp_pcie_write_config()

static void n1sdp_pcie_write_config ( device_t  dev, u_int  bus, u_int  slot, u_int  func, u_int  reg, uint32_t  val, int  bytes  )

static

Definition at line 305 of file pci_n1sdp.c.

References generic_pcie_n1sdp_softc::acpi, generic_pcie_acpi_softc::base, bus, generic_pcie_core_softc::bus_end, generic_pcie_core_softc::bus_start, data, dev, func, n1sdp_get_bus_space(), PCI_FUNCMAX, PCI_SLOTMAX, PCIE_REGMAX, reg, slot, and val.

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Variable Documentation

n1sdp_pcie_acpi_devclass

devclass_t n1sdp_pcie_acpi_devclass

static

Definition at line 364 of file pci_n1sdp.c.

n1sdp_pcie_acpi_methods

device_method_t n1sdp_pcie_acpi_methods[]

static

Initial value:

= {
        DEVMETHOD(device_probe,         n1sdp_pcie_acpi_probe),
        DEVMETHOD(device_attach,        n1sdp_pcie_acpi_attach),
 
        
        DEVMETHOD(pcib_read_config,     n1sdp_pcie_read_config),
        DEVMETHOD(pcib_write_config,    n1sdp_pcie_write_config),
 
        DEVMETHOD_END
}

Definition at line 350 of file pci_n1sdp.c.