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authorDan Williams <dan.j.williams@intel.com>2017-06-04 04:59:15 +0300
committerDan Williams <dan.j.williams@intel.com>2017-06-16 00:31:39 +0300
commitc12c48ce869d72029d70666f615cbd8f67fc14e9 (patch)
treec38e0587856fdaf94d0401cf644aae05c519804a /include/linux/libnvdimm.h
parent564e871aa66f548a947b23808d3140f326381f0c (diff)
downloadlinux-c12c48ce869d72029d70666f615cbd8f67fc14e9.tar.xz
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.h5
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;
};