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Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details you should have received a copy of the gnu general public license along with this program if not write to the free software foundation inc 59 temple place suite 330 boston ma 02111 1307 usa extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 1334 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Richard Fontana <rfontana@redhat.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070033.113240726@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
36 lines
1.0 KiB
C
36 lines
1.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* This file is derived from asm-powerpc/tce.h.
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*
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* Copyright (C) IBM Corporation, 2006
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*
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* Author: Muli Ben-Yehuda <muli@il.ibm.com>
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* Author: Jon Mason <jdmason@us.ibm.com>
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*/
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#ifndef _ASM_X86_TCE_H
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#define _ASM_X86_TCE_H
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extern unsigned int specified_table_size;
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struct iommu_table;
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#define TCE_ENTRY_SIZE 8 /* in bytes */
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#define TCE_READ_SHIFT 0
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#define TCE_WRITE_SHIFT 1
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#define TCE_HUBID_SHIFT 2 /* unused */
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#define TCE_RSVD_SHIFT 8 /* unused */
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#define TCE_RPN_SHIFT 12
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#define TCE_UNUSED_SHIFT 48 /* unused */
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#define TCE_RPN_MASK 0x0000fffffffff000ULL
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extern void tce_build(struct iommu_table *tbl, unsigned long index,
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unsigned int npages, unsigned long uaddr, int direction);
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extern void tce_free(struct iommu_table *tbl, long index, unsigned int npages);
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extern void * __init alloc_tce_table(void);
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extern void __init free_tce_table(void *tbl);
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extern int __init build_tce_table(struct pci_dev *dev, void __iomem *bbar);
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#endif /* _ASM_X86_TCE_H */
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