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Subject[PATCH 11/20] lightnvm: pblk: check for supported version
Date
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>
---
drivers/lightnvm/pblk-init.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/lightnvm/pblk-init.c b/drivers/lightnvm/pblk-init.c
index 56b4afc27add..ec39800eea42 100644
--- a/drivers/lightnvm/pblk-init.c
+++ b/drivers/lightnvm/pblk-init.c
@@ -990,9 +990,15 @@ static void *pblk_init(struct nvm_tgt_dev *dev, struct gendisk *tdisk,
struct pblk *pblk;
int ret;

- if (dev->geo.c.dom & NVM_RSP_L2P) {
+ if (geo->c.version != NVM_OCSSD_SPEC_12) {
+ pr_err("pblk: OCSSD version not supported (%u)\n",
+ geo->c.version);
+ return ERR_PTR(-EINVAL);
+ }
+
+ if (geo->c.version == NVM_OCSSD_SPEC_12 && geo->c.dom & NVM_RSP_L2P) {
pr_err("pblk: host-side L2P table not supported. (%x)\n",
- dev->geo.c.dom);
+ geo->c.dom);
return ERR_PTR(-EINVAL);
}

--
2.7.4
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