source: bootcd/isolinux/syslinux-6.03/gpxe/src/arch/i386/include/undirom.h

#ifndef _UNDIROM_H
#define _UNDIROM_H

/** @file
 *
 * UNDI expansion ROMs
 *
 */

FILE_LICENCE ( GPL2_OR_LATER );

#include <pxe_types.h>

/** An UNDI PCI device ID */
struct undi_pci_device_id {
        /** PCI vendor ID */
        unsigned int vendor_id;
        /** PCI device ID */
        unsigned int device_id;
};

/** An UNDI device ID */
union undi_device_id {
        /** PCI device ID */
        struct undi_pci_device_id pci;
};

/** An UNDI ROM */
struct undi_rom {
        /** List of UNDI ROMs */
        struct list_head list;
        /** ROM segment address */
        unsigned int rom_segment;
        /** UNDI loader entry point */
        SEGOFF16_t loader_entry;
        /** Code segment size */
        size_t code_size;
        /** Data segment size */
        size_t data_size;
        /** Bus type
         *
         * Values are as used by @c PXENV_UNDI_GET_NIC_TYPE
         */
        unsigned int bus_type;
        /** Device ID */
        union undi_device_id bus_id;
};

extern struct undi_rom * undirom_find_pci ( unsigned int vendor_id,
                                            unsigned int device_id,
                                            unsigned int rombase );

#endif /* _UNDIROM_H */