From: Christoph Hellwig <hch@lst.de>
Date: Fri, 12 May 2017 17:16:10 +0200
Subject: nvme: save hmpre and hmmin in struct nvme_ctrl
Patch-mainline: v4.13-rc1
Git-commit: fe6d53c9c0bb51977521d409a2efe453b7123c39
References: FATE#323952, FATE#322506
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>
Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
---
drivers/nvme/host/core.c | 2 ++
drivers/nvme/host/nvme.h | 3 +++
2 files changed, 5 insertions(+)
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 8d06950ddbf4..75a865d6719c 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;
--
2.12.3