ikan Uploader :
Directory : /proc/self/root/lib/modules/5.4.0-1101-aws/build/arch/powerpc/include/asm/
Upload File : |
| Current File : //proc/self/root/lib/modules/5.4.0-1101-aws/build/arch/powerpc/include/asm/tce.h |
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2001 Mike Corrigan & Dave Engebretsen, IBM Corporation
* Rewrite, cleanup:
* Copyright (C) 2004 Olof Johansson <olof@lixom.net>, IBM Corporation
*/
#ifndef _ASM_POWERPC_TCE_H
#define _ASM_POWERPC_TCE_H
#ifdef __KERNEL__
#include <asm/iommu.h>
/*
* Tces come in two formats, one for the virtual bus and a different
* format for PCI. PCI TCEs can have hardware or software maintianed
* coherency.
*/
#define TCE_VB 0
#define TCE_PCI 1
/* TCE page size is 4096 bytes (1 << 12) */
#define TCE_SHIFT 12
#define TCE_PAGE_SIZE (1 << TCE_SHIFT)
#define TCE_ENTRY_SIZE 8 /* each TCE is 64 bits */
#define TCE_RPN_MASK 0xfffffffffful /* 40-bit RPN (4K pages) */
#define TCE_RPN_SHIFT 12
#define TCE_VALID 0x800 /* TCE valid */
#define TCE_ALLIO 0x400 /* TCE valid for all lpars */
#define TCE_PCI_WRITE 0x2 /* write from PCI allowed */
#define TCE_PCI_READ 0x1 /* read from PCI allowed */
#define TCE_VB_WRITE 0x1 /* write from VB allowed */
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_TCE_H */
Kontol Shell Bypass