Line data    Source code

       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/acpi.h>
      17             : 
      18             : /*
      19             :  * Logical location of iSCSI Boot Format Table.
      20             :  * If the value is NULL there is no iBFT on the machine.
      21             :  */
      22             : extern struct acpi_table_ibft *ibft_addr;
      23             : 
      24             : /*
      25             :  * Routine used to find and reserve the iSCSI Boot Format Table. The
      26             :  * mapped address is set in the ibft_addr variable.
      27             :  */
      28             : #ifdef CONFIG_ISCSI_IBFT_FIND
      29             : unsigned long find_ibft_region(unsigned long *sizep);
      30             : #else
      31           1 : static inline unsigned long find_ibft_region(unsigned long *sizep)
      32             : {
      33           1 :         *sizep = 0;
      34           1 :         return 0;
      35             : }
      36             : #endif
      37             : 
      38             : #endif /* ISCSI_IBFT_H */