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authorIngo Molnar <mingo@elte.hu>2008-07-29 05:54:24 -0400
committerIngo Molnar <mingo@elte.hu>2008-07-29 05:54:24 -0400
commit3825c9e8d01e4310c40a3903a354c433c32a7b6f (patch)
tree87c94a8076bbb38bd2cf20ab9bc23d6f74f6a0a8 /arch/sparc/include/asm/iommu_64.h
parent5d7b605245b1aa1a9cd6549b1f57d69273eb0c37 (diff)
parent6e86841d05f371b5b9b86ce76c02aaee83352298 (diff)
Merge commit 'v2.6.27-rc1' into x86/microcode
Conflicts: arch/x86/kernel/microcode.c Manual resolutions: arch/x86/kernel/microcode_amd.c arch/x86/kernel/microcode_intel.c Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/sparc/include/asm/iommu_64.h')
-rw-r--r--arch/sparc/include/asm/iommu_64.h62
1 files changed, 62 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/iommu_64.h b/arch/sparc/include/asm/iommu_64.h
new file mode 100644
index 000000000000..d7b9afcba08b
--- /dev/null
+++ b/arch/sparc/include/asm/iommu_64.h
@@ -0,0 +1,62 @@
1/* iommu.h: Definitions for the sun5 IOMMU.
2 *
3 * Copyright (C) 1996, 1999, 2007 David S. Miller (davem@davemloft.net)
4 */
5#ifndef _SPARC64_IOMMU_H
6#define _SPARC64_IOMMU_H
7
8/* The format of an iopte in the page tables. */
9#define IOPTE_VALID 0x8000000000000000UL
10#define IOPTE_64K 0x2000000000000000UL
11#define IOPTE_STBUF 0x1000000000000000UL
12#define IOPTE_INTRA 0x0800000000000000UL
13#define IOPTE_CONTEXT 0x07ff800000000000UL
14#define IOPTE_PAGE 0x00007fffffffe000UL
15#define IOPTE_CACHE 0x0000000000000010UL
16#define IOPTE_WRITE 0x0000000000000002UL
17
18#define IOMMU_NUM_CTXS 4096
19
20struct iommu_arena {
21 unsigned long *map;
22 unsigned int hint;
23 unsigned int limit;
24};
25
26struct iommu {
27 spinlock_t lock;
28 struct iommu_arena arena;
29 void (*flush_all)(struct iommu *);
30 iopte_t *page_table;
31 u32 page_table_map_base;
32 unsigned long iommu_control;
33 unsigned long iommu_tsbbase;
34 unsigned long iommu_flush;
35 unsigned long iommu_flushinv;
36 unsigned long iommu_tags;
37 unsigned long iommu_ctxflush;
38 unsigned long write_complete_reg;
39 unsigned long dummy_page;
40 unsigned long dummy_page_pa;
41 unsigned long ctx_lowest_free;
42 DECLARE_BITMAP(ctx_bitmap, IOMMU_NUM_CTXS);
43 u32 dma_addr_mask;
44};
45
46struct strbuf {
47 int strbuf_enabled;
48 unsigned long strbuf_control;
49 unsigned long strbuf_pflush;
50 unsigned long strbuf_fsync;
51 unsigned long strbuf_ctxflush;
52 unsigned long strbuf_ctxmatch_base;
53 unsigned long strbuf_flushflag_pa;
54 volatile unsigned long *strbuf_flushflag;
55 volatile unsigned long __flushflag_buf[(64+(64-1)) / sizeof(long)];
56};
57
58extern int iommu_table_init(struct iommu *iommu, int tsbsize,
59 u32 dma_offset, u32 dma_addr_mask,
60 int numa_node);
61
62#endif /* !(_SPARC64_IOMMU_H) */