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| author | Javier González <javier@cnexlabs.com> | 2018-03-30 00:05:17 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2018-03-30 01:29:09 +0200 |
| commit | a294c199455187d124b0760fa8f86c13cdaa4b25 (patch) | |
| tree | 15df9cbb23f8fd0286db1f2671498f73914233ab /drivers/lightnvm | |
| parent | lightnvm: make address conversions depend on generic device (diff) | |
| download | linux-a294c199455187d124b0760fa8f86c13cdaa4b25.tar.xz linux-a294c199455187d124b0760fa8f86c13cdaa4b25.zip | |
lightnvm: implement get log report chunk helpers
The 2.0 spec provides a report chunk log page that can be retrieved
using the stangard nvme get log page. This replaces the dedicated
get/put bad block table in 1.2.
This patch implements the helper functions to allow targets retrieve the
chunk metadata using get log page. It makes nvme_get_log_ext available
outside of nvme core so that we can use it form lightnvm.
Signed-off-by: Javier González <javier@cnexlabs.com>
Signed-off-by: Matias Bjørling <mb@lightnvm.io>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/lightnvm')
| -rw-r--r-- | drivers/lightnvm/core.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c index 77901bf17416..63171cdce270 100644 --- a/drivers/lightnvm/core.c +++ b/drivers/lightnvm/core.c @@ -712,6 +712,17 @@ static void nvm_free_rqd_ppalist(struct nvm_tgt_dev *tgt_dev, nvm_dev_dma_free(tgt_dev->parent, rqd->ppa_list, rqd->dma_ppa_list); } +int nvm_get_chunk_meta(struct nvm_tgt_dev *tgt_dev, struct nvm_chk_meta *meta, + struct ppa_addr ppa, int nchks) +{ + struct nvm_dev *dev = tgt_dev->parent; + + nvm_ppa_tgt_to_dev(tgt_dev, &ppa, 1); + + return dev->ops->get_chk_meta(tgt_dev->parent, meta, + (sector_t)ppa.ppa, nchks); +} +EXPORT_SYMBOL(nvm_get_chunk_meta); int nvm_set_tgt_bb_tbl(struct nvm_tgt_dev *tgt_dev, struct ppa_addr *ppas, int nr_ppas, int type) |