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| author |   Dan Williams <dan.j.williams@intel.com> | 2017-06-04 10:59:15 +0900 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2017-06-15 14:31:39 -0700 |
| commit | c12c48ce869d72029d70666f615cbd8f67fc14e9 (patch) | |
| tree | c38e0587856fdaf94d0401cf644aae05c519804a /include/linux/libnvdimm.h | |
| parent | libnvdimm, label: add v1.2 nvdimm label definitions (diff) | |
| download | linux-dev-c12c48ce869d72029d70666f615cbd8f67fc14e9.tar.xz linux-dev-c12c48ce869d72029d70666f615cbd8f67fc14e9.zip | |
libnvdimm, label: add v1.2 interleave-set-cookie algorithm
The interleave-set-cookie algorithm is extended to incorporate all the
same components that are used to generate an nvdimm unique-id. For
backwards compatibility we still maintain the old v1.1 definition.
Reported-by: Nicholas Moulin <nicholas.w.moulin@intel.com>
Reported-by: Kaushik Kanetkar <kaushik.a.kanetkar@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'include/linux/libnvdimm.h')
| -rw-r--r-- | include/linux/libnvdimm.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/libnvdimm.h b/include/linux/libnvdimm.h index 6c807017128d..722cdf21429f 100644 --- a/include/linux/libnvdimm.h +++ b/include/linux/libnvdimm.h @@ -71,7 +71,10 @@ struct nd_cmd_desc { }; struct nd_interleave_set { - u64 cookie; + /* v1.1 definition of the interleave-set-cookie algorithm */ + u64 cookie1; + /* v1.2 definition of the interleave-set-cookie algorithm */ + u64 cookie2; /* compatibility with initial buggy Linux implementation */ u64 altcookie; }; |