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authorLinus Torvalds <torvalds@linux-foundation.org>2008-10-23 10:22:01 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-23 10:22:01 -0700
commit5b34653963de7a6d0d8c783527457d68fddc60fb (patch)
tree1a234741e1823a54cd0514616f783b4cf503a528 /arch/x86/include/asm/tce.h
parent765426e8ee4c0ab2bc9d44951f4865b8494cdbd0 (diff)
parent5e1b00758b5a8bee9d42515bffdaf305a32f1b04 (diff)
downloadblackbird-op-linux-5b34653963de7a6d0d8c783527457d68fddc60fb.tar.gz
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Merge branch 'x86/um-header' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86/um-header' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (26 commits) x86: canonicalize remaining header guards x86: drop double underscores from header guards x86: Fix ASM_X86__ header guards x86, um: get rid of uml-config.h x86, um: get rid of arch/um/Kconfig.arch x86, um: get rid of arch/um/os symlink x86, um: get rid of excessive includes of uml-config.h x86, um: get rid of header symlinks x86, um: merge Kconfig.i386 and Kconfig.x86_64 x86, um: get rid of sysdep symlink x86, um: trim the junk from uml ptrace-*.h x86, um: take vm-flags.h to sysdep x86, um: get rid of uml asm/arch x86, um: get rid of uml highmem.h x86, um: get rid of uml unistd.h x86, um: get rid of system.h -> system.h include x86, um: uml atomic.h is not needed anymore x86, um: untangle uml ldt.h x86, um: get rid of more uml asm/arch uses x86, um: remove dead header (uml module-generic.h; never used these days) ...
Diffstat (limited to 'arch/x86/include/asm/tce.h')
-rw-r--r--arch/x86/include/asm/tce.h48
1 files changed, 48 insertions, 0 deletions
diff --git a/arch/x86/include/asm/tce.h b/arch/x86/include/asm/tce.h
new file mode 100644
index 000000000000..7a6677c1a715
--- /dev/null
+++ b/arch/x86/include/asm/tce.h
@@ -0,0 +1,48 @@
+/*
+ * 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>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#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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