Файловый менеджер - Редактировать - /usr/src/linux-headers-5.4.0-200/arch/x86/include/asm/tce.h
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/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * This file is derived from asm-powerpc/tce.h. * * Copyright (C) IBM Corporation, 2006 * * Author: Muli Ben-Yehuda <muli@il.ibm.com> * Author: Jon Mason <jdmason@us.ibm.com> */ #ifndef _ASM_X86_TCE_H #define _ASM_X86_TCE_H extern unsigned int specified_table_size; struct iommu_table; #define TCE_ENTRY_SIZE 8 /* in bytes */ #define TCE_READ_SHIFT 0 #define TCE_WRITE_SHIFT 1 #define TCE_HUBID_SHIFT 2 /* unused */ #define TCE_RSVD_SHIFT 8 /* unused */ #define TCE_RPN_SHIFT 12 #define TCE_UNUSED_SHIFT 48 /* unused */ #define TCE_RPN_MASK 0x0000fffffffff000ULL extern void tce_build(struct iommu_table *tbl, unsigned long index, unsigned int npages, unsigned long uaddr, int direction); extern void tce_free(struct iommu_table *tbl, long index, unsigned int npages); extern void * __init alloc_tce_table(void); extern void __init free_tce_table(void *tbl); extern int __init build_tce_table(struct pci_dev *dev, void __iomem *bbar); #endif /* _ASM_X86_TCE_H */
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