From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- arch/powerpc/include/asm/tce.h | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 arch/powerpc/include/asm/tce.h (limited to 'arch/powerpc/include/asm/tce.h') diff --git a/arch/powerpc/include/asm/tce.h b/arch/powerpc/include/asm/tce.h new file mode 100644 index 000000000..0c34d2756 --- /dev/null +++ b/arch/powerpc/include/asm/tce.h @@ -0,0 +1,30 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright (C) 2001 Mike Corrigan & Dave Engebretsen, IBM Corporation + * Rewrite, cleanup: + * Copyright (C) 2004 Olof Johansson , IBM Corporation + */ + +#ifndef _ASM_POWERPC_TCE_H +#define _ASM_POWERPC_TCE_H +#ifdef __KERNEL__ + +#include + +/* + * 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 + +#define TCE_ENTRY_SIZE 8 /* each TCE is 64 bits */ +#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 */ -- cgit v1.2.3