80 lines
2.1 KiB
C
80 lines
2.1 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_PCI_H
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#define GRUB_PCI_H 1
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#include <grub/types.h>
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#include <grub/symbol.h>
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#define GRUB_PCI_ADDR_SPACE_MASK 0x01
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#define GRUB_PCI_ADDR_SPACE_MEMORY 0x00
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#define GRUB_PCI_ADDR_SPACE_IO 0x01
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#define GRUB_PCI_ADDR_MEM_TYPE_MASK 0x06
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#define GRUB_PCI_ADDR_MEM_TYPE_32 0x00 /* 32 bit address */
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#define GRUB_PCI_ADDR_MEM_TYPE_1M 0x02 /* Below 1M [obsolete] */
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#define GRUB_PCI_ADDR_MEM_TYPE_64 0x04 /* 64 bit address */
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#define GRUB_PCI_ADDR_MEM_PREFETCH 0x08 /* prefetchable */
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#define GRUB_PCI_ADDR_MEM_MASK ~0xf
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#define GRUB_PCI_ADDR_IO_MASK ~0x03
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typedef grub_uint32_t grub_pci_id_t;
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#ifdef GRUB_UTIL
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#include <grub/pciutils.h>
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#else
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typedef grub_uint32_t grub_pci_address_t;
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struct grub_pci_device
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{
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int bus;
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int device;
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int function;
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};
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typedef struct grub_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.device;
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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.function;
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}
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#include <grub/cpu/pci.h>
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#endif
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typedef int NESTED_FUNC_ATTR (*grub_pci_iteratefunc_t)
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(grub_pci_device_t dev, grub_pci_id_t pciid);
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grub_pci_address_t EXPORT_FUNC(grub_pci_make_address) (grub_pci_device_t dev,
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int reg);
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void EXPORT_FUNC(grub_pci_iterate) (grub_pci_iteratefunc_t hook);
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#endif /* GRUB_PCI_H */
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