src/arch/i386/include/undirom.h

   1 #ifndef _UNDIROM_H
   2 #define _UNDIROM_H
   3
   4 /** @file
   5  *
   6  * UNDI expansion ROMs
   7  *
   8  */
   9
  10 FILE_LICENCE ( GPL2_OR_LATER );
  11
  12 #include <pxe_types.h>
  13
  14 /** An UNDI PCI device ID */
  15 struct undi_pci_device_id {
  16         /** PCI vendor ID */
  17         unsigned int vendor_id;
  18         /** PCI device ID */
  19         unsigned int device_id;
  20 };
  21
  22 /** An UNDI device ID */
  23 union undi_device_id {
  24         /** PCI device ID */
  25         struct undi_pci_device_id pci;
  26 };
  27
  28 /** An UNDI ROM */
  29 struct undi_rom {
  30         /** List of UNDI ROMs */
  31         struct list_head list;
  32         /** ROM segment address */
  33         unsigned int rom_segment;
  34         /** UNDI loader entry point */
  35         SEGOFF16_t loader_entry;
  36         /** Code segment size */
  37         size_t code_size;
  38         /** Data segment size */
  39         size_t data_size;
  40         /** Bus type
  41          *
  42          * Values are as used by @c PXENV_UNDI_GET_NIC_TYPE
  43          */
  44         unsigned int bus_type;
  45         /** Device ID */
  46         union undi_device_id bus_id;
  47 };
  48
  49 extern struct undi_rom * undirom_find_pci ( unsigned int vendor_id,
  50                                             unsigned int device_id,
  51                                             unsigned int rombase );
  52
  53 #endif /* _UNDIROM_H */