| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* |
| * Copyright 2007 Red Hat, Inc. |
| * by Peter Jones <pjones@redhat.com> |
| * Copyright 2007 IBM, Inc. |
| * by Konrad Rzeszutek <konradr@linux.vnet.ibm.com> |
| * Copyright 2008 |
| * by Konrad Rzeszutek <ketuzsezr@darnok.org> |
| * |
| * This code exposes the iSCSI Boot Format Table to userland via sysfs. |
| */ |
| |
| #ifndef ISCSI_IBFT_H |
| #define ISCSI_IBFT_H |
| |
| #include <linux/types.h> |
| |
| /* |
| * Physical location of iSCSI Boot Format Table. |
| * If the value is 0 there is no iBFT on the machine. |
| */ |
| extern phys_addr_t ibft_phys_addr; |
| |
| #ifdef CONFIG_ISCSI_IBFT_FIND |
| |
| /* |
| * Routine used to find and reserve the iSCSI Boot Format Table. The |
| * physical address is set in the ibft_phys_addr variable. |
| */ |
| void reserve_ibft_region(void); |
| |
| /* |
| * Physical bounds to search for the iSCSI Boot Format Table. |
| */ |
| #define IBFT_START 0x80000 /* 512kB */ |
| #define IBFT_END 0x100000 /* 1MB */ |
| |
| #else |
| static inline void reserve_ibft_region(void) {} |
| #endif |
| |
| #endif /* ISCSI_IBFT_H */ |
