pci interface More...

#include <types.h>
#include <iterator.h>
#include <acpi.h>
#include <memory.h>
#include <list.h>
#include <cpu/interrupt.h>

Classes
struct	pci_command_register_t

struct	pci_status_register_t

struct	pci_header_type_register_t
	pci device type data inside pci_common_header_t More...

struct	pci_bist_register_t

union	pci_bar_register_t

struct	pci_bar_register_t::bar_type_t

struct	pci_bar_register_t::memory_space_bar_t

struct	pci_bar_register_t::io_space_bar_t

struct	pci_common_header_t

struct	pci_generic_device_t

struct	pci_pci2pci_bridge_t

struct	pci_cardbus_bridge_t

struct	pci_dev_t
	the pci device info returned by the iterator More...

struct	pci_capability_t

struct	pci_capability_msi_t

struct	pci_capability_msix_t

struct	pci_capability_msix_table_entry_t

struct	pci_capability_msix_table_t

struct	pci_context_t

Macros
#define	___PCI_H 0

#define	PCI_HEADER_TYPE_GENERIC_DEVICE 0x0

#define	PCI_HEADER_TYPE_PCI2PCI_BRIDGE 0x1

#define	PCI_HEADER_TYPE_CARDBUS_BRIDGE 0x2

#define	PCI_DEVICE_MAX_COUNT 32
	max device count per bus

#define	PCI_FUNCTION_MAX_COUNT 8
	max function count per device

#define	PCI_DEVICE_CLASS_MASS_STORAGE_CONTROLLER 0x01

#define	PCI_DEVICE_CLASS_NETWORK_CONTROLLER 0x02

#define	PCI_DEVICE_CLASS_DISPLAY_CONTROLLER 0x03

#define	PCI_DEVICE_CLASS_BRIDGE_CONTROLLER 0x06

#define	PCI_DEVICE_CLASS_SYSTEM_PERIPHERAL 0x08

#define	PCI_DEVICE_CLASS_INPUT_DEVICE 0x09

#define	PCI_DEVICE_CLASS_SERIAL_BUS 0x0C

#define	PCI_DEVICE_SUBCLASS_USB_CONTROLLER 0x03

#define	PCI_DEVICE_SUBCLASS_SATA_CONTROLLER 0x06

#define	PCI_DEVICE_SUBCLASS_NVME_CONTROLLER 0x08

#define	PCI_DEVICE_SUBCLASS_ETHERNET 0x00

#define	PCI_DEVICE_SUBCLASS_VGA 0x00

#define	PCI_DEVICE_SUBCLASS_BRIDGE_HOST 0x00

#define	PCI_DEVICE_SUBCLASS_BRIDGE_ISA 0x01

#define	PCI_DEVICE_SUBCLASS_BRIDGE_OTHER 0x80

#define	PCI_DEVICE_SUBCLASS_SP_OTHER 0x80

#define	PCI_DEVICE_SUBCLASS_USB 0x80

#define	PCI_DEVICE_PROGIF_OHCI 0x10

#define	PCI_DEVICE_PROGIF_EHCI 0x20

#define	PCI_DEVICE_PROGIF_XHCI 0x30

#define	PCI_DEVICE_CAPABILITY_AER 0x01

#define	PCI_DEVICE_CAPABILITY_MSI 0x05

#define	PCI_DEVICE_CAPABILITY_VENDOR 0x09

#define	PCI_DEVICE_CAPABILITY_PCIE 0x10

#define	PCI_DEVICE_CAPABILITY_MSIX 0x11

#define	PCI_IO_PORT_CONFIG 0x0CF8

#define	PCI_IO_PORT_DATA 0x0CFC

#define	PCI_IO_PORT_CREATE_ADDRESS(bus, dev, func, offset) ((bus << 16) \| (dev << 11) \| (func << 8) \| (offset & 0xFC) \| 0x80000000UL)

#define	pci_iterator_create(mcfg) pci_iterator_create_with_heap(NULL, mcfg)

Typedefs
typedef struct pci_command_register_t	pci_command_register_t

typedef struct pci_status_register_t	pci_status_register_t

typedef struct pci_header_type_register_t	pci_header_type_register_t
	short hand for struct

typedef struct pci_bist_register_t	pci_bist_register_t

typedef union pci_bar_register_t	pci_bar_register_t

typedef struct pci_common_header_t	pci_common_header_t

typedef struct pci_generic_device_t	pci_generic_device_t

typedef struct pci_pci2pci_bridge_t	pci_pci2pci_bridge_t

typedef struct pci_cardbus_bridge_t	pci_cardbus_bridge_t

typedef struct pci_dev_t	pci_dev_t
	short hand for struct

typedef struct pci_capability_t	pci_capability_t

typedef struct pci_capability_msi_t	pci_capability_msi_t

typedef struct pci_capability_msix_t	pci_capability_msix_t

typedef struct pci_capability_msix_table_entry_t	pci_capability_msix_table_entry_t

typedef struct pci_capability_msix_table_t	pci_capability_msix_table_t

typedef struct pci_context_t	pci_context_t

Functions
int8_t	pci_io_port_write_data (uint32_t address, uint32_t data, uint8_t bc)

uint32_t	pci_io_port_read_data (uint32_t address, uint8_t bc)

iterator_t *	pci_iterator_create_with_heap (memory_heap_t heap, acpi_table_mcfg_t mcfg)
	creates an iterator over pci device devices at mcfg memory area More...

pci_context_t *	pci_get_context (void)

uint64_t	pci_get_bar_size (pci_generic_device_t *pci_dev, uint8_t bar_no)

uint64_t	pci_get_bar_address (pci_generic_device_t *pci_dev, uint8_t bar_no)

int8_t	pci_set_bar_address (pci_generic_device_t *pci_dev, uint8_t bar_no, uint64_t bar_fa)

int8_t	pci_msix_configure (pci_generic_device_t pci_gen_dev, pci_capability_msix_t msix_cap)

uint8_t	pci_msix_set_isr (pci_generic_device_t pci_dev, pci_capability_msix_t msix_cap, uint16_t msix_vector, interrupt_irq isr)

uint8_t	pci_msix_update_lapic (pci_generic_device_t pci_dev, pci_capability_msix_t msix_cap, uint16_t msix_vector)

int8_t	pci_msix_clear_pending_bit (pci_generic_device_t pci_dev, pci_capability_msix_t msix_cap, uint16_t msix_vector)

void	pci_disable_interrupt (pci_generic_device_t *pci_dev)

void	pci_enable_interrupt (pci_generic_device_t *pci_dev)

int8_t	pci_setup (memory_heap_t *heap)

const pci_dev_t *	pci_find_device_by_address (uint8_t group_number, uint8_t bus_number, uint8_t device_number, uint8_t function_number)

Detailed Description

pci interface

This work is licensed under TURNSTONE OS Public License. Please read and understand latest version of Licence.

Macro Definition Documentation

◆ ___PCI_H

#define ___PCI_H 0

prevent duplicate header error macro

◆ pci_iterator_create

#define pci_iterator_create ( mcfg ) pci_iterator_create_with_heap(NULL, mcfg)

creates pci iterator at default heap

Function Documentation

◆ pci_iterator_create_with_heap()

iterator_t * pci_iterator_create_with_heap	(	memory_heap_t *	heap,
		acpi_table_mcfg_t *	mcfg
	)

creates an iterator over pci device devices at mcfg memory area

Parameters

heap	iterator of heap
mcfg	mcfg memory area which indentified by acpi table

Returns: iterator

Classes

Macros