From: Christoph Hellwig <hch@lst.de>
Date: Fri, 12 May 2017 15:16:10 +0000 (+0200)
Subject: nvme: save hmpre and hmmin in struct nvme_ctrl
X-Git-Tag: v4.13-rc1~70^2~67^2~39
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=fe6d53c9c0bb51977521d409a2efe453b7123c39;p=karo-tx-linux.git

nvme: save hmpre and hmmin in struct nvme_ctrl

We'll need the later for the HMB support.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Keith Busch <keith.busch@intel.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
---

diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 032cce3311e7..767bcc6caae0 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -1633,6 +1633,8 @@ int nvme_init_identify(struct nvme_ctrl *ctrl)
 		}
 	} else {
 		ctrl->cntlid = le16_to_cpu(id->cntlid);
+		ctrl->hmpre = le32_to_cpu(id->hmpre);
+		ctrl->hmmin = le32_to_cpu(id->hmmin);
 	}
 
 	kfree(id);
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index 22ee60b2a3e8..e2e341bba619 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -166,6 +166,9 @@ struct nvme_ctrl {
 	/* Power saving configuration */
 	u64 ps_max_latency_us;
 
+	u32 hmpre;
+	u32 hmmin;
+
 	/* Fabrics only */
 	u16 sqsize;
 	u32 ioccsz;