iomap.h File Reference

iPXE I/O mapping API More...

#include <stdint.h>
#include <ipxe/api.h>
#include <config/ioapi.h>
#include <ipxe/uaccess.h>
#include <ipxe/iomap_virt.h>
#include <bits/iomap.h>

Go to the source code of this file.

Defines
#define	IOMAP_INLINE(_subsys, _api_func)   SINGLE_API_INLINE ( IOMAP_PREFIX_ ## _subsys, _api_func )
	Calculate static inline I/O mapping API function name.
#define	PROVIDE_IOMAP(_subsys, _api_func, _func)   PROVIDE_SINGLE_API ( IOMAP_PREFIX_ ## _subsys, _api_func, _func )
	Provide an I/O mapping API implementation.
#define	PROVIDE_IOMAP_INLINE(_subsys, _api_func)   PROVIDE_SINGLE_API_INLINE ( IOMAP_PREFIX_ ## _subsys, _api_func )
	Provide a static inline I/O mapping API implementation.
Functions
	FILE_LICENCE (GPL2_OR_LATER_OR_UBDL)
void *	ioremap (unsigned long bus_addr, size_t len)
	Map bus address as an I/O address.
void	iounmap (volatile const void *io_addr)
	Unmap I/O address.
unsigned long	io_to_bus (volatile const void *io_addr)
	Convert I/O address to bus address (for debug only)

---

Detailed Description

iPXE I/O mapping API

The I/O mapping API provides methods for mapping and unmapping I/O devices.

Definition in file iomap.h.

---

Define Documentation

#define IOMAP_INLINE	(		_subsys,
			_api_func
	)		SINGLE_API_INLINE ( IOMAP_PREFIX_ ## _subsys, _api_func )

Calculate static inline I/O mapping API function name.

Parameters:

_prefix	Subsystem prefix
_api_func	API function

Return values:

_subsys_func

Subsystem API function

Definition at line 26 of file iomap.h.

#define PROVIDE_IOMAP	(		_subsys,
			_api_func,
			_func
	)		PROVIDE_SINGLE_API ( IOMAP_PREFIX_ ## _subsys, _api_func, _func )

Provide an I/O mapping API implementation.

Parameters:

_prefix	Subsystem prefix
_api_func	API function
_func	Implementing function

Definition at line 36 of file iomap.h.

#define PROVIDE_IOMAP_INLINE	(		_subsys,
			_api_func
	)		PROVIDE_SINGLE_API_INLINE ( IOMAP_PREFIX_ ## _subsys, _api_func )

Provide a static inline I/O mapping API implementation.

Parameters:

_prefix	Subsystem prefix
_api_func	API function

Definition at line 45 of file iomap.h.

---

Function Documentation

FILE_LICENCE

(

GPL2_OR_LATER_OR_UBDL

)

void* ioremap	(	unsigned long	bus_addr,
		size_t	len
	)

Map bus address as an I/O address.

Parameters:

bus_addr	Bus address
len	Length of region

Return values:

io_addr

I/O address

Referenced by amd8111e_probe(), arbel_probe(), arbel_start_firmware(), ath5k_probe(), ath_pci_probe(), b44_probe(), bnx2_init_board(), efab_probe(), efx_probe(), ehci_probe(), ena_probe(), exanic_probe(), flexboot_nodnic_alloc_uar(), forcedeth_map_regs(), golan_alloc_uar(), golan_pci_init(), hermon_bofm_probe(), hermon_probe(), hvm_ioremap(), hvm_map_xenstore(), icplus_probe(), igbvf_probe(), intel_probe(), intelx_probe(), intelxl_probe(), intelxvf_probe(), jme_probe(), linda_probe(), mlx_pci_init_priv(), myson_probe(), natsemi_probe(), phantom_map_crb(), prism2_pci_probe(), qib7322_probe(), realtek_probe(), rhine_probe(), sis190_init_board(), skeleton_probe(), skge_probe(), sky2_probe(), tg3_init_one(), txnic_alloc(), txnic_bgx_probe(), txnic_pf_probe(), velocity_probe(), virtio_pci_map_capability(), vmxnet3_probe(), vxge_probe(), and xhci_probe().

void iounmap

(

volatile const void *

io_addr

)

Unmap I/O address.

Parameters:

io_addr

I/O address

Referenced by amd8111e_disable(), arbel_probe(), arbel_remove(), ath5k_probe(), ath5k_remove(), ath_pci_probe(), ath_pci_remove(), b44_probe(), b44_remove(), bnx2_disable(), efab_probe(), efab_remove(), efx_remove(), ehci_probe(), ehci_remove(), ena_probe(), ena_remove(), exanic_probe(), exanic_remove(), flexboot_nodnic_dealloc_uar(), forcedeth_probe(), forcedeth_remove(), golan_probe_normal(), golan_remove_normal(), hermon_bofm_probe(), hermon_bofm_remove(), hermon_probe(), hermon_remove(), hvm_ioremap(), hvm_iounmap(), hvm_unmap_xenstore(), icplus_probe(), icplus_remove(), igbvf_probe(), igbvf_remove(), intel_probe(), intel_remove(), intelx_probe(), intelx_remove(), intelxl_probe(), intelxl_remove(), intelxvf_probe(), intelxvf_remove(), jme_probe(), jme_remove(), linda_probe(), linda_remove(), mlx_pci_teardown_priv(), myson_probe(), myson_remove(), natsemi_probe(), natsemi_remove(), qib7322_probe(), qib7322_remove(), realtek_probe(), realtek_remove(), sis190_probe(), sis190_remove(), skeleton_probe(), skeleton_remove(), skge_probe(), skge_remove(), sky2_probe(), sky2_remove(), tg3_init_one(), txnic_alloc(), txnic_bgx_probe(), txnic_bgx_remove(), txnic_free(), txnic_pf_probe(), txnic_pf_remove(), virtio_pci_unmap_capability(), vmxnet3_probe(), vmxnet3_remove(), vxge_probe(), vxge_remove(), xhci_probe(), and xhci_remove().

unsigned long io_to_bus

(

volatile const void *

io_addr

)

Convert I/O address to bus address (for debug only)

Parameters:

io_addr

I/O address

Return values:

bus_addr

Bus address