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lightnvm: pblk: check for supported version 

At this point, only 1.2 spec is supported, thus check for it. Also,
since device-side L2P is only supported in the 1.2 spec, make sure to
only check its value under 1.2.

Signed-off-by: Javier González <javier@cnexlabs.com>
Signed-off-by: Matias Bjørling <mb@lightnvm.io>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
zero-colors
Javier González 2018-03-30 00:05:18 +02:00 committed by Jens Axboe
parent a294c19945
commit 7ad5039ee5
1 changed files with 8 additions and 2 deletions
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10
drivers/lightnvm/pblk-init.c
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@ -1016,9 +1016,15 @@ static void *pblk_init(struct nvm_tgt_dev *dev, struct gendisk *tdisk,
struct pblk *pblk;
int ret;
if (dev->geo.dom & NVM_RSP_L2P) {
if (geo->version != NVM_OCSSD_SPEC_12) {
pr_err("pblk: OCSSD version not supported (%u)\n",
geo->version);
return ERR_PTR(-EINVAL);
}
if (geo->version == NVM_OCSSD_SPEC_12 && geo->dom & NVM_RSP_L2P) {
pr_err("pblk: host-side L2P table not supported. (%x)\n",
dev->geo.dom);
geo->dom);
return ERR_PTR(-EINVAL);
}