include/grub/pci.h

   1 /*
   2  *  GRUB  --  GRand Unified Bootloader
   3  *  Copyright (C) 2008  Free Software Foundation, Inc.
   4  *
   5  *  GRUB is free software: you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation, either version 3 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  GRUB is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 #ifndef GRUB_PCI_H
  20 #define GRUB_PCI_H      1
  21
  22 #include <grub/types.h>
  23 #include <grub/symbol.h>
  24
  25 #define  GRUB_PCI_ADDR_SPACE_MASK       0x01
  26 #define  GRUB_PCI_ADDR_SPACE_MEMORY     0x00
  27 #define  GRUB_PCI_ADDR_SPACE_IO         0x01
  28
  29 #define  GRUB_PCI_ADDR_MEM_TYPE_MASK    0x06
  30 #define  GRUB_PCI_ADDR_MEM_TYPE_32      0x00    /* 32 bit address */
  31 #define  GRUB_PCI_ADDR_MEM_TYPE_1M      0x02    /* Below 1M [obsolete] */
  32 #define  GRUB_PCI_ADDR_MEM_TYPE_64      0x04    /* 64 bit address */
  33 #define  GRUB_PCI_ADDR_MEM_PREFETCH     0x08    /* prefetchable */
  34
  35 #define  GRUB_PCI_ADDR_MEM_MASK         ~0xf
  36 #define  GRUB_PCI_ADDR_IO_MASK          ~0x03
  37
  38 typedef grub_uint32_t grub_pci_id_t;
  39 typedef int NESTED_FUNC_ATTR (*grub_pci_iteratefunc_t)
  40      (int bus, int device, int func, grub_pci_id_t pciid);
  41 typedef grub_uint32_t grub_pci_address_t;
  42
  43 grub_pci_address_t EXPORT_FUNC(grub_pci_make_address) (int bus, int device,
  44                                                        int function, int reg);
  45
  46 void EXPORT_FUNC(grub_pci_iterate) (grub_pci_iteratefunc_t hook);
  47
  48 #include <grub/cpu/pci.h>
  49
  50 #endif /* GRUB_PCI_H */