Re: [PATCH RFC 2/3] nvme: store cqt value into nvme ctrl object

From: Hannes Reinecke
Date: Tue Apr 01 2025 - 05:37:02 EST


On 3/24/25 13:07, Daniel Wagner wrote:
Signed-off-by: Daniel Wagner <wagi@xxxxxxxxxx>
---
drivers/nvme/host/core.c | 1 +
drivers/nvme/host/nvme.h | 1 +
2 files changed, 2 insertions(+)

diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 40046770f1bf0b98261d8b80e21aa0cc04ebb7a0..135045528ea1c79eac0d6d47d5f7f05a7c98acc4 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -3380,6 +3380,7 @@ static int nvme_init_identify(struct nvme_ctrl *ctrl)
ctrl->kas = le16_to_cpu(id->kas);
ctrl->max_namespaces = le32_to_cpu(id->mnan);
ctrl->ctratt = le32_to_cpu(id->ctratt);
+ ctrl->cqt = le16_to_cpu(id->cqt);
ctrl->cntrltype = id->cntrltype;
ctrl->dctype = id->dctype;
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index 7be92d07430e950c3faa764514daf3808009e223..7563332b5b7b76fc6165ec8c6f2d144737d4fe85 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -344,6 +344,7 @@ struct nvme_ctrl {
u32 oaes;
u32 aen_result;
u32 ctratt;
+ u16 cqt;
unsigned int shutdown_timeout;
unsigned int kato;
bool subsystem;

Hmm. I would squash it with the next patch, but I'm sure others have
other opinions.

So:

Reviewed-by: Hannes Reinecke <hare@xxxxxxx>

Cheers,

Hannes
--
Dr. Hannes Reinecke Kernel Storage Architect
hare@xxxxxxx +49 911 74053 688
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