netdev - [PATCH rdma-next 2/4] IB/core: Add interfaces to get VF node and port GUIDs

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Message-Id: <20191114133126.238128-4-leon@kernel.org>
Date:   Thu, 14 Nov 2019 15:31:24 +0200
From:   Leon Romanovsky <leon@...nel.org>
To:     Doug Ledford <dledford@...hat.com>,
        Jason Gunthorpe <jgg@...lanox.com>,
        "David S . Miller" <davem@...emloft.net>
Cc:     Leon Romanovsky <leonro@...lanox.com>,
        RDMA mailing list <linux-rdma@...r.kernel.org>,
        Danit Goldberg <danitg@...lanox.com>,
        linux-netdev <netdev@...r.kernel.org>
Subject: [PATCH rdma-next 2/4] IB/core: Add interfaces to get VF node and port GUIDs

From: Danit Goldberg <danitg@...lanox.com>


Provide ability to get node and port GUIDs of VFs to be symmetrical
to already existing set option.

Signed-off-by: Danit Goldberg <danitg@...lanox.com>
Signed-off-by: Leon Romanovsky <leonro@...lanox.com>
---
 drivers/infiniband/core/device.c |  1 +
 drivers/infiniband/core/verbs.c  | 10 ++++++++++
 include/rdma/ib_verbs.h          |  6 ++++++
 3 files changed, 17 insertions(+)

diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c
index 1a789d2f7a38..e2229bab304a 100644
--- a/drivers/infiniband/core/device.c
+++ b/drivers/infiniband/core/device.c
@@ -2618,6 +2618,7 @@ void ib_set_device_ops(struct ib_device *dev, const struct ib_device_ops *ops)
 	SET_DEVICE_OP(dev_ops, get_port_immutable);
 	SET_DEVICE_OP(dev_ops, get_vector_affinity);
 	SET_DEVICE_OP(dev_ops, get_vf_config);
+	SET_DEVICE_OP(dev_ops, get_vf_guid);
 	SET_DEVICE_OP(dev_ops, get_vf_stats);
 	SET_DEVICE_OP(dev_ops, init_port);
 	SET_DEVICE_OP(dev_ops, invalidate_range);
diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c
index 5cf32bf484b7..da77057bfe69 100644
--- a/drivers/infiniband/core/verbs.c
+++ b/drivers/infiniband/core/verbs.c
@@ -2460,6 +2460,16 @@ int ib_set_vf_guid(struct ib_device *device, int vf, u8 port, u64 guid,
 }
 EXPORT_SYMBOL(ib_set_vf_guid);

+int ib_get_vf_guid(struct ib_device *device, int vf, u8 port,
+		   struct ifla_vf_guid *node_guid,
+		   struct ifla_vf_guid *port_guid)
+{
+	if (!device->ops.get_vf_guid)
+		return -EOPNOTSUPP;
+
+	return device->ops.get_vf_guid(device, vf, port, node_guid, port_guid);
+}
+EXPORT_SYMBOL(ib_get_vf_guid);
 /**
  * ib_map_mr_sg_pi() - Map the dma mapped SG lists for PI (protection
  *     information) and set an appropriate memory region for registration.
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index f9e121b03158..d8b73a89ca1a 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -2472,6 +2472,9 @@ struct ib_device_ops {
 			     struct ifla_vf_info *ivf);
 	int (*get_vf_stats)(struct ib_device *device, int vf, u8 port,
 			    struct ifla_vf_stats *stats);
+	int (*get_vf_guid)(struct ib_device *device, int vf, u8 port,
+			    struct ifla_vf_guid *node_guid,
+			    struct ifla_vf_guid *port_guid);
 	int (*set_vf_guid)(struct ib_device *device, int vf, u8 port, u64 guid,
 			   int type);
 	struct ib_wq *(*create_wq)(struct ib_pd *pd,
@@ -3342,6 +3345,9 @@ int ib_get_vf_config(struct ib_device *device, int vf, u8 port,
 		     struct ifla_vf_info *info);
 int ib_get_vf_stats(struct ib_device *device, int vf, u8 port,
 		    struct ifla_vf_stats *stats);
+int ib_get_vf_guid(struct ib_device *device, int vf, u8 port,
+		    struct ifla_vf_guid *node_guid,
+		    struct ifla_vf_guid *port_guid);
 int ib_set_vf_guid(struct ib_device *device, int vf, u8 port, u64 guid,
 		   int type);

--
2.20.1