undirom.h File Reference

UNDI expansion ROMs. More...

#include <pxe_types.h>

Go to the source code of this file.

Data Structures
struct	undi_pci_device_id
	An UNDI PCI device ID. More...
union	undi_device_id
	An UNDI device ID. More...
struct	undi_rom
	An UNDI ROM. More...
Functions
	FILE_LICENCE (GPL2_OR_LATER)
struct undi_rom *	undirom_find_pci (unsigned int vendor_id, unsigned int device_id, unsigned int rombase)
	Find UNDI ROM for PCI device.

---

Detailed Description

UNDI expansion ROMs.

Definition in file undirom.h.

---

Function Documentation

FILE_LICENCE

(

GPL2_OR_LATER

)

struct undi_rom* undirom_find_pci	(	unsigned int	vendor_id,
		unsigned int	device_id,
		unsigned int	rombase
	)			[read]

Find UNDI ROM for PCI device.

Parameters:

	vendor_id	PCI vendor ID
	device_id	PCI device ID
	rombase	ROM base address, or 0 for any

Return values:

undirom

UNDI ROM, or NULL

Definition at line 210 of file undirom.c.

References undi_rom::bus_id, undi_rom::bus_type, DBG, DBGC, undi_pci_device_id::device_id, undi_rom::list, list_for_each_entry, NULL, undi_device_id::pci, PCI_NIC, undi_rom::rom_segment, undirom_probe_all_roms(), and undi_pci_device_id::vendor_id.

Referenced by undipci_find_rom().

                                                            {
        struct undi_rom *undirom;

        undirom_probe_all_roms();

        list_for_each_entry ( undirom, &undiroms, list ) {
                if ( undirom->bus_type != PCI_NIC )
                        continue;
                if ( undirom->bus_id.pci.vendor_id != vendor_id )
                        continue;
                if ( undirom->bus_id.pci.device_id != device_id )
                        continue;
                if ( rombase && ( ( undirom->rom_segment << 4 ) != rombase ) )
                        continue;
                DBGC ( undirom, "UNDIROM %p matched PCI %04x:%04x (%08x)\n",
                       undirom, vendor_id, device_id, rombase );
                return undirom;
        }

        DBG ( "No UNDI ROM matched PCI %04x:%04x (%08x)\n",
              vendor_id, device_id, rombase );
        return NULL;
}