2019-05-29 14:18:01 +00:00
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/* SPDX-License-Identifier: GPL-2.0-only */
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2008-04-10 02:50:41 +00:00
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/*
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* Copyright 2007 Red Hat, Inc.
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* by Peter Jones <pjones@redhat.com>
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* Copyright 2007 IBM, Inc.
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* by Konrad Rzeszutek <konradr@linux.vnet.ibm.com>
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* Copyright 2008
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* by Konrad Rzeszutek <ketuzsezr@darnok.org>
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*
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* This code exposes the iSCSI Boot Format Table to userland via sysfs.
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*/
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#ifndef ISCSI_IBFT_H
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#define ISCSI_IBFT_H
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2021-07-29 13:52:50 +00:00
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#include <linux/types.h>
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2008-04-10 02:50:41 +00:00
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/*
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2021-07-29 13:52:50 +00:00
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* Physical location of iSCSI Boot Format Table.
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* If the value is 0 there is no iBFT on the machine.
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2008-04-10 02:50:41 +00:00
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*/
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2021-07-29 13:52:50 +00:00
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extern phys_addr_t ibft_phys_addr;
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2008-04-10 02:50:41 +00:00
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2023-06-05 10:28:40 +00:00
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#ifdef CONFIG_ISCSI_IBFT_FIND
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2008-04-10 02:50:41 +00:00
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/*
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* Routine used to find and reserve the iSCSI Boot Format Table. The
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2021-07-29 13:52:50 +00:00
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* physical address is set in the ibft_phys_addr variable.
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2008-04-10 02:50:41 +00:00
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*/
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2021-07-29 13:52:50 +00:00
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void reserve_ibft_region(void);
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2023-06-05 10:28:40 +00:00
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/*
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* Physical bounds to search for the iSCSI Boot Format Table.
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*/
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#define IBFT_START 0x80000 /* 512kB */
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#define IBFT_END 0x100000 /* 1MB */
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2008-04-10 02:50:41 +00:00
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#else
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2021-07-29 13:52:50 +00:00
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static inline void reserve_ibft_region(void) {}
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2008-04-10 02:50:41 +00:00
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#endif
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#endif /* ISCSI_IBFT_H */
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