RE: [PATCH v3 1/3] nvme-rdma: correctly check for target keyed sgl support

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>-----Original Message-----
>From: linux-rdma-owner@xxxxxxxxxxxxxxx [mailto:linux-rdma-
>owner@xxxxxxxxxxxxxxx] On Behalf Of Steve Wise
>Sent: Tuesday, May 29, 2018 2:26 PM
>To: axboe@xxxxxxxxx; hch@xxxxxx; Busch, Keith <keith.busch@xxxxxxxxx>;
>sagi@xxxxxxxxxxx; linux-nvme@xxxxxxxxxxxxxxxxxxx
>Cc: parav@xxxxxxxxxxxx; maxg@xxxxxxxxxxxx; linux-rdma@xxxxxxxxxxxxxxx
>Subject: [PATCH v3 1/3] nvme-rdma: correctly check for target keyed sgl
>support
>
>The code was checking bit 20 instead of bit 2.  Also fixed
>the log entry.
>
>Signed-off-by: Steve Wise <swise@xxxxxxxxxxxxxxxxxxxxx>
>---
> drivers/nvme/host/rdma.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
>diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c
>index 1eb4438..f11faa8 100644
>--- a/drivers/nvme/host/rdma.c
>+++ b/drivers/nvme/host/rdma.c
>@@ -1949,8 +1949,8 @@ static struct nvme_ctrl
>*nvme_rdma_create_ctrl(struct device *dev,
> 	}
>
> 	/* sanity check keyed sgls */
>-	if (!(ctrl->ctrl.sgls & (1 << 20))) {
>-		dev_err(ctrl->ctrl.device, "Mandatory keyed sgls are not
>support\n");
>+	if (!(ctrl->ctrl.sgls & (1 << 2))) {
>+		dev_err(ctrl->ctrl.device, "Mandatory keyed sgls are not
>supported!\n");

I can see that the 2 and 20 are defined for specific things.  Since they are
used in several places (in the next 2 patches), is there any chance these
could be defined bits?

Mike

> 		ret = -EINVAL;
> 		goto out_remove_admin_queue;
> 	}
>--
>1.8.3.1
>
>--
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