diff options
author | Steve French <sfrench@us.ibm.com> | 2006-06-25 15:57:32 +0000 |
---|---|---|
committer | Steve French <sfrench@us.ibm.com> | 2006-06-25 15:57:32 +0000 |
commit | bbe5d235ee201705530a7153b57e141cd77d818b (patch) | |
tree | e98c31b4cb2ced6357a87a02596f9ecdbd6dbb26 /include/asm-powerpc/tce.h | |
parent | 189acaaef81b1d71aedd0d28810de24160c2e781 (diff) | |
parent | dfd8317d3340f03bc06eba6b58f0ec0861da4a13 (diff) |
Merge with /pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Diffstat (limited to 'include/asm-powerpc/tce.h')
-rw-r--r-- | include/asm-powerpc/tce.h | 35 |
1 files changed, 9 insertions, 26 deletions
diff --git a/include/asm-powerpc/tce.h b/include/asm-powerpc/tce.h index 6fa200ad7a7..c9483adbf59 100644 --- a/include/asm-powerpc/tce.h +++ b/include/asm-powerpc/tce.h @@ -35,32 +35,15 @@ #define TCE_PAGE_SIZE (1 << TCE_SHIFT) #define TCE_PAGE_FACTOR (PAGE_SHIFT - TCE_SHIFT) - -/* tce_entry - * Used by pSeries (SMP) and iSeries/pSeries LPAR, but there it's - * abstracted so layout is irrelevant. - */ -union tce_entry { - unsigned long te_word; - struct { - unsigned int tb_cacheBits :6; /* Cache hash bits - not used */ - unsigned int tb_rsvd :6; - unsigned long tb_rpn :40; /* Real page number */ - unsigned int tb_valid :1; /* Tce is valid (vb only) */ - unsigned int tb_allio :1; /* Tce is valid for all lps (vb only) */ - unsigned int tb_lpindex :8; /* LpIndex for user of TCE (vb only) */ - unsigned int tb_pciwr :1; /* Write allowed (pci only) */ - unsigned int tb_rdwr :1; /* Read allowed (pci), Write allowed (vb) */ - } te_bits; -#define te_cacheBits te_bits.tb_cacheBits -#define te_rpn te_bits.tb_rpn -#define te_valid te_bits.tb_valid -#define te_allio te_bits.tb_allio -#define te_lpindex te_bits.tb_lpindex -#define te_pciwr te_bits.tb_pciwr -#define te_rdwr te_bits.tb_rdwr -}; - +#define TCE_ENTRY_SIZE 8 /* each TCE is 64 bits */ + +#define TCE_RPN_MASK 0xfffffffffful /* 40-bit RPN (4K pages) */ +#define TCE_RPN_SHIFT 12 +#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 */ |