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efifpswa.c revision 1.2.2.3
      1  1.2.2.3  kardel /*	$NetBSD: efifpswa.c,v 1.2.2.3 2006/06/01 22:34:54 kardel Exp $	*/
      2  1.2.2.2  simonb 
      3  1.2.2.2  simonb /*-
      4  1.2.2.2  simonb  * Copyright (c) 2001 Peter Wemm <peter (at) FreeBSD.org>
      5  1.2.2.2  simonb  * All rights reserved.
      6  1.2.2.2  simonb  *
      7  1.2.2.2  simonb  * Redistribution and use in source and binary forms, with or without
      8  1.2.2.2  simonb  * modification, are permitted provided that the following conditions
      9  1.2.2.2  simonb  * are met:
     10  1.2.2.2  simonb  * 1. Redistributions of source code must retain the above copyright
     11  1.2.2.2  simonb  *    notice, this list of conditions and the following disclaimer.
     12  1.2.2.2  simonb  * 2. Redistributions in binary form must reproduce the above copyright
     13  1.2.2.2  simonb  *    notice, this list of conditions and the following disclaimer in the
     14  1.2.2.2  simonb  *    documentation and/or other materials provided with the distribution.
     15  1.2.2.2  simonb  *
     16  1.2.2.2  simonb  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     17  1.2.2.2  simonb  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     18  1.2.2.2  simonb  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     19  1.2.2.2  simonb  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     20  1.2.2.2  simonb  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     21  1.2.2.2  simonb  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     22  1.2.2.2  simonb  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     23  1.2.2.2  simonb  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     24  1.2.2.2  simonb  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25  1.2.2.2  simonb  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  1.2.2.2  simonb  * SUCH DAMAGE.
     27  1.2.2.2  simonb  */
     28  1.2.2.2  simonb 
     29  1.2.2.2  simonb #include <sys/cdefs.h>
     30  1.2.2.3  kardel /* __FBSDID("$FreeBSD: src/sys/boot/efi/libefi/efifpswa.c,v 1.2 2004/01/04 23:28:16 obrien Exp $"); */
     31  1.2.2.2  simonb 
     32  1.2.2.2  simonb #include <sys/param.h>
     33  1.2.2.2  simonb #include <sys/time.h>
     34  1.2.2.2  simonb #include <lib/libsa/stand.h>
     35  1.2.2.2  simonb #include <machine/stdarg.h>
     36  1.2.2.2  simonb 
     37  1.2.2.2  simonb #include <efi.h>
     38  1.2.2.2  simonb #include <efilib.h>
     39  1.2.2.2  simonb 
     40  1.2.2.2  simonb #include <bootstrap.h>
     41  1.2.2.2  simonb #include "efiboot.h"
     42  1.2.2.2  simonb 
     43  1.2.2.2  simonb int
     44  1.2.2.2  simonb fpswa_init(u_int64_t *fpswa_interface)
     45  1.2.2.2  simonb {
     46  1.2.2.2  simonb 	EFI_STATUS	status;
     47  1.2.2.2  simonb 	static EFI_GUID	fpswaid = EFI_INTEL_FPSWA;
     48  1.2.2.2  simonb 	UINTN		sz;
     49  1.2.2.2  simonb 	EFI_HANDLE	fpswa_handle;
     50  1.2.2.2  simonb 	FPSWA_INTERFACE *fpswa;
     51  1.2.2.2  simonb 
     52  1.2.2.2  simonb 	*fpswa_interface = 0;
     53  1.2.2.2  simonb 	sz = sizeof(EFI_HANDLE);
     54  1.2.2.2  simonb 	status = BS->LocateHandle(ByProtocol, &fpswaid, 0, &sz, &fpswa_handle);
     55  1.2.2.2  simonb 	if (EFI_ERROR(status))
     56  1.2.2.2  simonb 		return ENOENT;
     57  1.2.2.2  simonb 
     58  1.2.2.2  simonb 	status = BS->HandleProtocol(fpswa_handle, &fpswaid, (VOID **)&fpswa);
     59  1.2.2.2  simonb 	if (EFI_ERROR(status))
     60  1.2.2.2  simonb 		return ENOENT;
     61  1.2.2.2  simonb 	*fpswa_interface = (u_int64_t)fpswa;
     62  1.2.2.2  simonb 	return 0;
     63  1.2.2.2  simonb }
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