103 lines
2.3 KiB
C
103 lines
2.3 KiB
C
/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2008,2009 Free Software Foundation, Inc.
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*
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* GRUB is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef GRUB_PCIUTILS_H
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#define GRUB_PCIUTILS_H 1
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#include <pciaccess.h>
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typedef struct pci_device *grub_pci_device_t;
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static inline int
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grub_pci_get_bus (grub_pci_device_t dev)
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{
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return dev->bus;
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}
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static inline int
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grub_pci_get_device (grub_pci_device_t dev)
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{
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return dev->dev;
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}
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static inline int
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grub_pci_get_function (grub_pci_device_t dev)
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{
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return dev->func;
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}
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struct grub_pci_address
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{
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grub_pci_device_t dev;
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int pos;
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};
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typedef struct grub_pci_address grub_pci_address_t;
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static inline grub_uint32_t
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grub_pci_read (grub_pci_address_t addr)
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{
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grub_uint32_t ret;
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pci_device_cfg_read_u32 (addr.dev, &ret, addr.pos);
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return ret;
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}
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static inline grub_uint16_t
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grub_pci_read_word (grub_pci_address_t addr)
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{
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grub_uint16_t ret;
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pci_device_cfg_read_u16 (addr.dev, &ret, addr.pos);
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return ret;
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}
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static inline grub_uint8_t
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grub_pci_read_byte (grub_pci_address_t addr)
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{
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grub_uint8_t ret;
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pci_device_cfg_read_u8 (addr.dev, &ret, addr.pos);
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return ret;
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}
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static inline void
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grub_pci_write (grub_pci_address_t addr, grub_uint32_t data)
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{
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pci_device_cfg_write_u32 (addr.dev, data, addr.pos);
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}
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static inline void
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grub_pci_write_word (grub_pci_address_t addr, grub_uint16_t data)
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{
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pci_device_cfg_write_u16 (addr.dev, data, addr.pos);
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}
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static inline void
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grub_pci_write_byte (grub_pci_address_t addr, grub_uint8_t data)
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{
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pci_device_cfg_write_u8 (addr.dev, data, addr.pos);
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}
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void *
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grub_pci_device_map_range (grub_pci_device_t dev, grub_addr_t base,
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grub_size_t size);
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void
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grub_pci_device_unmap_range (grub_pci_device_t dev, void *mem,
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grub_size_t size);
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#endif /* GRUB_PCIUTILS_H */
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