diff options
Diffstat (limited to 'drivers/nvdimm/pfn.h')
| -rw-r--r-- | drivers/nvdimm/pfn.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/nvdimm/pfn.h b/drivers/nvdimm/pfn.h index 6ee707e5b279..8e343a3ca873 100644 --- a/drivers/nvdimm/pfn.h +++ b/drivers/nvdimm/pfn.h @@ -27,10 +27,13 @@ struct nd_pfn_sb { __le32 flags; __le16 version_major; __le16 version_minor; - __le64 dataoff; + __le64 dataoff; /* relative to namespace_base + start_pad */ __le64 npfns; __le32 mode; - u8 padding[4012]; + /* minor-version-1 additions for section alignment */ + __le32 start_pad; + __le32 end_trunc; + u8 padding[4004]; __le64 checksum; }; @@ -45,4 +48,7 @@ struct nd_pfn_sb { #define PFN_SECTION_ALIGN_DOWN(x) (x) #define PFN_SECTION_ALIGN_UP(x) (x) #endif + +#define PHYS_SECTION_ALIGN_DOWN(x) PFN_PHYS(PFN_SECTION_ALIGN_DOWN(PHYS_PFN(x))) +#define PHYS_SECTION_ALIGN_UP(x) PFN_PHYS(PFN_SECTION_ALIGN_UP(PHYS_PFN(x))) #endif /* __NVDIMM_PFN_H */ |