xref: /openbmc/linux/include/linux/iscsi_ibft.h (revision 6b342707)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  *  Copyright 2007 Red Hat, Inc.
4  *  by Peter Jones <pjones@redhat.com>
5  *  Copyright 2007 IBM, Inc.
6  *  by Konrad Rzeszutek <konradr@linux.vnet.ibm.com>
7  *  Copyright 2008
8  *  by Konrad Rzeszutek <ketuzsezr@darnok.org>
9  *
10  * This code exposes the iSCSI Boot Format Table to userland via sysfs.
11  */
12 
13 #ifndef ISCSI_IBFT_H
14 #define ISCSI_IBFT_H
15 
16 #include <linux/types.h>
17 
18 /*
19  * Physical location of iSCSI Boot Format Table.
20  * If the value is 0 there is no iBFT on the machine.
21  */
22 extern phys_addr_t ibft_phys_addr;
23 
24 /*
25  * Routine used to find and reserve the iSCSI Boot Format Table. The
26  * physical address is set in the ibft_phys_addr variable.
27  */
28 #ifdef CONFIG_ISCSI_IBFT_FIND
29 void reserve_ibft_region(void);
30 #else
31 static inline void reserve_ibft_region(void) {}
32 #endif
33 
34 #endif /* ISCSI_IBFT_H */
35