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Diffstat (limited to 'include/asm-powerpc/tce.h')
-rw-r--r--include/asm-powerpc/tce.h35
1 files changed, 9 insertions, 26 deletions
diff --git a/include/asm-powerpc/tce.h b/include/asm-powerpc/tce.h
index 6fa200ad7a7f..c9483adbf599 100644
--- a/include/asm-powerpc/tce.h
+++ b/include/asm-powerpc/tce.h
@@ -35,32 +35,15 @@
35#define TCE_PAGE_SIZE (1 << TCE_SHIFT) 35#define TCE_PAGE_SIZE (1 << TCE_SHIFT)
36#define TCE_PAGE_FACTOR (PAGE_SHIFT - TCE_SHIFT) 36#define TCE_PAGE_FACTOR (PAGE_SHIFT - TCE_SHIFT)
37 37
38 38#define TCE_ENTRY_SIZE 8 /* each TCE is 64 bits */
39/* tce_entry 39
40 * Used by pSeries (SMP) and iSeries/pSeries LPAR, but there it's 40#define TCE_RPN_MASK 0xfffffffffful /* 40-bit RPN (4K pages) */
41 * abstracted so layout is irrelevant. 41#define TCE_RPN_SHIFT 12
42 */ 42#define TCE_VALID 0x800 /* TCE valid */
43union tce_entry { 43#define TCE_ALLIO 0x400 /* TCE valid for all lpars */
44 unsigned long te_word; 44#define TCE_PCI_WRITE 0x2 /* write from PCI allowed */
45 struct { 45#define TCE_PCI_READ 0x1 /* read from PCI allowed */
46 unsigned int tb_cacheBits :6; /* Cache hash bits - not used */ 46#define TCE_VB_WRITE 0x1 /* write from VB allowed */
47 unsigned int tb_rsvd :6;
48 unsigned long tb_rpn :40; /* Real page number */
49 unsigned int tb_valid :1; /* Tce is valid (vb only) */
50 unsigned int tb_allio :1; /* Tce is valid for all lps (vb only) */
51 unsigned int tb_lpindex :8; /* LpIndex for user of TCE (vb only) */
52 unsigned int tb_pciwr :1; /* Write allowed (pci only) */
53 unsigned int tb_rdwr :1; /* Read allowed (pci), Write allowed (vb) */
54 } te_bits;
55#define te_cacheBits te_bits.tb_cacheBits
56#define te_rpn te_bits.tb_rpn
57#define te_valid te_bits.tb_valid
58#define te_allio te_bits.tb_allio
59#define te_lpindex te_bits.tb_lpindex
60#define te_pciwr te_bits.tb_pciwr
61#define te_rdwr te_bits.tb_rdwr
62};
63
64 47
65#endif /* __KERNEL__ */ 48#endif /* __KERNEL__ */
66#endif /* _ASM_POWERPC_TCE_H */ 49#endif /* _ASM_POWERPC_TCE_H */