xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

lightnvm: pblk: implement get log report chunk

Browse Source 
In preparation of pblk supporting 2.0, implement the get log report
chunk in pblk. Also, define the chunk states as given in the 2.0 spec.

Signed-off-by: Javier González <javier@cnexlabs.com>
Signed-off-by: Matias Bjørling <mb@lightnvm.io>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Javier González
2018-03-30 00:05:20 +02:00
committed by Jens Axboe
parent bb845ae45c
commit 32ef9412c1
4 changed files with 298 additions and 82 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
include/linux/lightnvm.h
View File

@@ -232,6 +232,19 @@ struct nvm_addrf {
u64 rsv_mask[2];
};
enum {
/* Chunk states */
NVM_CHK_ST_FREE = 1 << 0,
NVM_CHK_ST_CLOSED = 1 << 1,
NVM_CHK_ST_OPEN = 1 << 2,
NVM_CHK_ST_OFFLINE = 1 << 3,
/* Chunk types */
NVM_CHK_TP_W_SEQ = 1 << 0,
NVM_CHK_TP_W_RAN = 1 << 1,
NVM_CHK_TP_SZ_SPEC = 1 << 4,
};
/*
* Note: The structure size is linked to nvme_nvm_chk_meta such that the same
* buffer can be used when converting from little endian to cpu addressing.