iPXE
iomap_virt.c
Go to the documentation of this file.
1 /*
2  * Copyright (C) 2016 Michael Brown <mbrown@fensystems.co.uk>.
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License as
6  * published by the Free Software Foundation; either version 2 of the
7  * License, or (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful, but
10  * WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
17  * 02110-1301, USA.
18  *
19  * You can also choose to distribute this program under the terms of
20  * the Unmodified Binary Distribution Licence (as given in the file
21  * COPYING.UBDL), provided that you have satisfied its requirements.
22  */
23 
24 FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
25 
26 /** @file
27  *
28  * iPXE I/O mapping API using phys_to_virt()
29  *
30  */
31 
32 #include <ipxe/iomap.h>
33 
PROVIDE_IOMAP_INLINE(virt, ioremap)
unsigned long io_to_bus(volatile const void *io_addr)
Convert I/O address to bus address (for debug only)
FILE_LICENCE(GPL2_OR_LATER_OR_UBDL)
void iounmap(volatile const void *io_addr)
Unmap I/O address.
void * ioremap(unsigned long bus_addr, size_t len)
Map bus address as an I/O address.
iPXE I/O mapping API