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1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * Copyright (C) 2001 Mike Corrigan & Dave Engebretsen, IBM Corporation
4 * Rewrite, cleanup:
5 * Copyright (C) 2004 Olof Johansson <olof@lixom.net>, IBM Corporation
6 */
7
8#ifndef _ASM_POWERPC_TCE_H
9#define _ASM_POWERPC_TCE_H
10#ifdef __KERNEL__
11
12#include <asm/iommu.h>
13
14/*
15 * Tces come in two formats, one for the virtual bus and a different
16 * format for PCI. PCI TCEs can have hardware or software maintianed
17 * coherency.
18 */
19#define TCE_VB 0
20#define TCE_PCI 1
21
22#define TCE_ENTRY_SIZE 8 /* each TCE is 64 bits */
23#define TCE_VALID 0x800 /* TCE valid */
24#define TCE_ALLIO 0x400 /* TCE valid for all lpars */
25#define TCE_PCI_WRITE 0x2 /* write from PCI allowed */
26#define TCE_PCI_READ 0x1 /* read from PCI allowed */
27#define TCE_VB_WRITE 0x1 /* write from VB allowed */
28
29#endif /* __KERNEL__ */
30#endif /* _ASM_POWERPC_TCE_H */
1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * Copyright (C) 2001 Mike Corrigan & Dave Engebretsen, IBM Corporation
4 * Rewrite, cleanup:
5 * Copyright (C) 2004 Olof Johansson <olof@lixom.net>, IBM Corporation
6 */
7
8#ifndef _ASM_POWERPC_TCE_H
9#define _ASM_POWERPC_TCE_H
10#ifdef __KERNEL__
11
12#include <asm/iommu.h>
13
14/*
15 * Tces come in two formats, one for the virtual bus and a different
16 * format for PCI. PCI TCEs can have hardware or software maintianed
17 * coherency.
18 */
19#define TCE_VB 0
20#define TCE_PCI 1
21
22#define TCE_ENTRY_SIZE 8 /* each TCE is 64 bits */
23#define TCE_VALID 0x800 /* TCE valid */
24#define TCE_ALLIO 0x400 /* TCE valid for all lpars */
25#define TCE_PCI_WRITE 0x2 /* write from PCI allowed */
26#define TCE_PCI_READ 0x1 /* read from PCI allowed */
27#define TCE_VB_WRITE 0x1 /* write from VB allowed */
28
29#endif /* __KERNEL__ */
30#endif /* _ASM_POWERPC_TCE_H */