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/*
* 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_PCIUTILS_H
#define GRUB_PCIUTILS_H 1
#include <pciaccess.h>
typedef struct 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->dev;
}
static inline int
grub_pci_get_function (grub_pci_device_t dev)
{
return dev->func;
}
struct grub_pci_address
{
grub_pci_device_t dev;
int pos;
};
typedef struct grub_pci_address grub_pci_address_t;
static inline grub_uint32_t
grub_pci_read (grub_pci_address_t addr)
{
grub_uint32_t ret;
pci_device_cfg_read_u32 (addr.dev, &ret, addr.pos);
return ret;
}
static inline grub_uint16_t
grub_pci_read_word (grub_pci_address_t addr)
{
grub_uint16_t ret;
pci_device_cfg_read_u16 (addr.dev, &ret, addr.pos);
return ret;
}
static inline grub_uint8_t
grub_pci_read_byte (grub_pci_address_t addr)
{
grub_uint8_t ret;
pci_device_cfg_read_u8 (addr.dev, &ret, addr.pos);
return ret;
}
static inline void
grub_pci_write (grub_pci_address_t addr, grub_uint32_t data)
{
pci_device_cfg_write_u32 (addr.dev, data, addr.pos);
}
static inline void
grub_pci_write_word (grub_pci_address_t addr, grub_uint16_t data)
{
pci_device_cfg_write_u16 (addr.dev, data, addr.pos);
}
static inline void
grub_pci_write_byte (grub_pci_address_t addr, grub_uint8_t data)
{
pci_device_cfg_write_u8 (addr.dev, data, addr.pos);
}
void *
grub_pci_device_map_range (grub_pci_device_t dev, grub_addr_t base,
grub_size_t size);
void
grub_pci_device_unmap_range (grub_pci_device_t dev, void *mem,
grub_size_t size);
#endif /* GRUB_PCIUTILS_H */
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