diff options
| author | Christoph Hellwig <hch@lst.de> | 2019-11-13 08:18:34 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2019-11-15 10:36:59 +0100 |
| commit | 90dc392fc445ee2fc17c2617e306774b269386ac (patch) | |
| tree | 5256af5e96abc028f818ca3f47184ad0a32aed3c /arch/x86/include/asm/tce.h | |
| parent | x86/apic, x86/uprobes: Correct parameter names in kernel-doc comments (diff) | |
| download | linux-90dc392fc445ee2fc17c2617e306774b269386ac.tar.xz linux-90dc392fc445ee2fc17c2617e306774b269386ac.zip | |
x86: Remove the calgary IOMMU driver
The calgary IOMMU was only used on high-end IBM systems in the early
x86_64 age and has no known users left. Remove it to avoid having to
touch it for pending changes to the DMA API.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20191113071836.21041-2-hch@lst.de
Diffstat (limited to 'arch/x86/include/asm/tce.h')
| -rw-r--r-- | arch/x86/include/asm/tce.h | 35 |
1 files changed, 0 insertions, 35 deletions
diff --git a/arch/x86/include/asm/tce.h b/arch/x86/include/asm/tce.h deleted file mode 100644 index 6ed2deacf1d0..000000000000 --- a/arch/x86/include/asm/tce.h +++ /dev/null @@ -1,35 +0,0 @@ -/* 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 */ |