linux-kernel - [PATCH rdma-next 2/2] RDMA/mana_ib: request error CQEs when supported

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Message-Id: <1738751713-16169-3-git-send-email-kotaranov@linux.microsoft.com>
Date: Wed,  5 Feb 2025 02:35:13 -0800
From: Konstantin Taranov <kotaranov@...ux.microsoft.com>
To: kotaranov@...rosoft.com,
	shirazsaleem@...rosoft.com,
	sharmaajay@...rosoft.com,
	longli@...rosoft.com,
	jgg@...pe.ca,
	leon@...nel.org
Cc: linux-rdma@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH rdma-next 2/2] RDMA/mana_ib: request error CQEs when supported

From: Konstantin Taranov <kotaranov@...rosoft.com>

Request an adapter with error CQEs when it is supported.

Signed-off-by: Konstantin Taranov <kotaranov@...rosoft.com>
---
 drivers/infiniband/hw/mana/main.c    | 3 +++
 drivers/infiniband/hw/mana/mana_ib.h | 8 ++++++++
 2 files changed, 11 insertions(+)

diff --git a/drivers/infiniband/hw/mana/main.c b/drivers/infiniband/hw/mana/main.c
index 3d4b8e2..e3230fe 100644
--- a/drivers/infiniband/hw/mana/main.c
+++ b/drivers/infiniband/hw/mana/main.c
@@ -794,6 +794,9 @@ int mana_ib_gd_create_rnic_adapter(struct mana_ib_dev *mdev)
 	req.hdr.dev_id = gc->mana_ib.dev_id;
 	req.notify_eq_id = mdev->fatal_err_eq->id;
 
+	if (mdev->adapter_caps.feature_flags & MANA_IB_FEATURE_CLIENT_ERROR_CQE_SUPPORT)
+		req.feature_flags |= MANA_IB_FEATURE_CLIENT_ERROR_CQE_REQUEST;
+
 	err = mana_gd_send_request(gc, sizeof(req), &req, sizeof(resp), &resp);
 	if (err) {
 		ibdev_err(&mdev->ib_dev, "Failed to create RNIC adapter err %d", err);
diff --git a/drivers/infiniband/hw/mana/mana_ib.h b/drivers/infiniband/hw/mana/mana_ib.h
index baaeef0..ad716a9 100644
--- a/drivers/infiniband/hw/mana/mana_ib.h
+++ b/drivers/infiniband/hw/mana/mana_ib.h
@@ -211,6 +211,10 @@ struct mana_ib_query_adapter_caps_req {
 	struct gdma_req_hdr hdr;
 }; /*HW Data */
 
+enum mana_ib_adapter_features {
+	MANA_IB_FEATURE_CLIENT_ERROR_CQE_SUPPORT = BIT(4),
+};
+
 struct mana_ib_query_adapter_caps_resp {
 	struct gdma_resp_hdr hdr;
 	u32 max_sq_id;
@@ -234,6 +238,10 @@ struct mana_ib_query_adapter_caps_resp {
 	u64 feature_flags;
 }; /* HW Data */
 
+enum mana_ib_adapter_features_request {
+	MANA_IB_FEATURE_CLIENT_ERROR_CQE_REQUEST = BIT(1),
+}; /*HW Data */
+
 struct mana_rnic_create_adapter_req {
 	struct gdma_req_hdr hdr;
 	u32 notify_eq_id;
-- 
2.43.0