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lightnvm: add 2.0 geometry identification

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Implement the geometry data structures for 2.0 and enable a drive
to be identified as one, including exposing the appropriate 2.0
sysfs entries.

Signed-off-by: Matias Bjørling <mb@lightnvm.io>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Matias Bjørling 2018-03-30 00:05:02 +02:00 • committed by Jens Axboe
parent c6ac3f35d4
commit 62771fe0aa
3 changed files with 297 additions and 56 deletions
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11
include/linux/lightnvm.h
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@ -184,10 +184,9 @@ struct nvm_id {
u16 csecs;
u16 sos;
u16 ws_min;
u16 ws_opt;
u16 ws_seq;
u16 ws_per_chk;
u32 ws_min;
u32 ws_opt;
u32 mw_cunits;
u32 trdt;
u32 trdm;
@ -199,6 +198,10 @@ struct nvm_id {
u32 mccap;
u16 cpar;
/* calculated values */
u16 ws_seq;
u16 ws_per_chk;
/* 1.2 compatibility */
u8 mtype;
u8 fmtype;