grub/include/grub/pci.h
2009-10-14 10:11:59 +02:00

79 lines
2.1 KiB
C

/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2008,2009 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef GRUB_PCI_H
#define GRUB_PCI_H 1
#include <grub/types.h>
#include <grub/symbol.h>
#define GRUB_PCI_ADDR_SPACE_MASK 0x01
#define GRUB_PCI_ADDR_SPACE_MEMORY 0x00
#define GRUB_PCI_ADDR_SPACE_IO 0x01
#define GRUB_PCI_ADDR_MEM_TYPE_MASK 0x06
#define GRUB_PCI_ADDR_MEM_TYPE_32 0x00 /* 32 bit address */
#define GRUB_PCI_ADDR_MEM_TYPE_1M 0x02 /* Below 1M [obsolete] */
#define GRUB_PCI_ADDR_MEM_TYPE_64 0x04 /* 64 bit address */
#define GRUB_PCI_ADDR_MEM_PREFETCH 0x08 /* prefetchable */
#define GRUB_PCI_ADDR_MEM_MASK ~0xf
#define GRUB_PCI_ADDR_IO_MASK ~0x03
typedef grub_uint32_t grub_pci_id_t;
#ifdef GRUB_UTIL
#include <grub/pciutils.h>
#else
typedef grub_uint32_t grub_pci_address_t;
struct grub_pci_device
{
int bus;
int device;
int function;
};
typedef struct grub_pci_device grub_pci_device_t;
static inline int
grub_pci_get_bus (grub_pci_device_t dev)
{
return dev.bus;
}
static inline int
grub_pci_get_device (grub_pci_device_t dev)
{
return dev.device;
}
static inline int
grub_pci_get_function (grub_pci_device_t dev)
{
return dev.function;
}
#include <grub/cpu/pci.h>
#endif
typedef int NESTED_FUNC_ATTR (*grub_pci_iteratefunc_t)
(grub_pci_device_t dev, grub_pci_id_t pciid);
grub_pci_address_t EXPORT_FUNC(grub_pci_make_address) (grub_pci_device_t dev,
int reg);
void EXPORT_FUNC(grub_pci_iterate) (grub_pci_iteratefunc_t hook);
#endif /* GRUB_PCI_H */