pcie.c File Reference

#include "hal/acpi/acpi.h"
#include "hal/cpu/paging.h"
#include "hal/pci/pci.h"
#include "libk/serial.h"
#include <type.h>
#include "memory/vm_manager.h"
#include <hal/pci/pcie.h>

Go to the source code of this file.

Functions
static uint32_t	ecam_read32 (uintptr_t base, uint8_t bus, uint8_t dev, uint8_t func, uint16_t offset)
static void	ecam_write32 (uintptr_t base, uint8_t bus, uint8_t dev, uint8_t func, uint16_t offset, uint32_t val)
void	register_segment (uint16_t seg_id, uint8_t start, uint8_t end, uintptr_t vbase, pci_access_ops_t *ops, PCI_SEGMENT_TYPE type)
void	mcfg_parse (uintptr_t addr)

Variables
static pci_access_ops_t	ecam_ops
boolean_t	has_ecam = 0

Function Documentation

ecam_read32()

static uint32_t ecam_read32 ( uintptr_t base, uint8_t bus, uint8_t dev, uint8_t func, uint16_t offset )

static

Definition at line 9 of file pcie.c.

References addr, base, and offset.

ecam_write32()

static void ecam_write32 ( uintptr_t base, uint8_t bus, uint8_t dev, uint8_t func, uint16_t offset, uint32_t val )

static

Definition at line 17 of file pcie.c.

References addr, base, and offset.

mcfg_parse()

void mcfg_parse

(

uintptr_t

addr

)

Definition at line 36 of file pcie.c.

References addr, MCFG_configuration_space_t::base_addr, ecam_ops, MCFG_configuration_space_t::end_pci_bus, get_kernel_vmm_page(), has_ecam, SDT::Length, LOG2_INFO, LOG_INFO, PAGE_SIZE, paging_get_highest_page_map(), paging_reload(), MCFG_configuration_space_t::pci_segment_group, PCI_SEGMENT_PCIE, register_segment(), SDT::Signature, MCFG_configuration_space_t::start_pci_bus, vma_lookup_free_vaddr(), VMA_REGION_C, and vxMultipleMmap().

Referenced by __attribute__().

register_segment()

void register_segment ( uint16_t seg_id, uint8_t start, uint8_t end, uintptr_t vbase, pci_access_ops_t * ops, PCI_SEGMENT_TYPE type )

extern

Definition at line 26 of file scan.c.

Referenced by mcfg_parse(), and pci_scan().

Variable Documentation

ecam_ops

pci_access_ops_t ecam_ops

static

Initial value:

= {
    .read32 = ecam_read32,
    .write32 = ecam_write32,
}

Definition at line 25 of file pcie.c.

Referenced by mcfg_parse().

has_ecam

boolean_t has_ecam = 0

Definition at line 34 of file pcie.c.

Referenced by mcfg_parse(), and pci_scan().