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authorMatias Bjorling <m@bjorling.me>2016-03-03 15:06:39 +0100
committerJens Axboe <axboe@fb.com>2016-03-19 02:10:38 +0100
commit9f867268436d799549909437e627e7cf279e1127 (patch)
tree8ebc862034aec40f4ecc59d65ea31ef3787cf27f /include
parentlightnvm: add a bitmap of luns (diff)
downloadlinux-9f867268436d799549909437e627e7cf279e1127.tar.xz
linux-9f867268436d799549909437e627e7cf279e1127.zip
nvme: lightnvm: return ppa completion status
PPAs sent to device is separately acknowledge in a 64bit status variable. The status is stored in DW0 and DW1 of the completion queue entry. Store this status inside the nvm_rq for further processing. This can later be used to implement retry techniques for failed writes and reads. Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Matias Bjørling <m@bjorling.me> Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'include')
-rw-r--r--include/linux/lightnvm.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/lightnvm.h b/include/linux/lightnvm.h
index 0ee2c2c78ffd..cdcb2ccbefa8 100644
--- a/include/linux/lightnvm.h
+++ b/include/linux/lightnvm.h
@@ -242,6 +242,7 @@ struct nvm_rq {
uint16_t nr_pages;
uint16_t flags;
+ u64 ppa_status; /* ppa media status */
int error;
};