netdev - [PATCH net-next v4 4/9] net: dsa: Add devlink regions support to DSA

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Date:   Fri, 18 Sep 2020 21:11:04 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     David Miller <davem@...emloft.net>
Cc:     netdev <netdev@...r.kernel.org>, Chris Healy <cphealy@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Jiri Pirko <jiri@...dia.com>,
        Vladimir Oltean <olteanv@...il.com>,
        Andrew Lunn <andrew@...n.ch>
Subject: [PATCH net-next v4 4/9] net: dsa: Add devlink regions support to DSA

Allow DSA drivers to make use of devlink regions, via simple wrappers.

Reviewed-by: Florian Fainelli <f.fainelli@...il.com>
Signed-off-by: Andrew Lunn <andrew@...n.ch>
---
 include/net/dsa.h |  6 ++++++
 net/dsa/dsa.c     | 16 ++++++++++++++++
 2 files changed, 22 insertions(+)

diff --git a/include/net/dsa.h b/include/net/dsa.h
index 42ae6d4d9d43..431efb5098be 100644
--- a/include/net/dsa.h
+++ b/include/net/dsa.h
@@ -658,6 +658,12 @@ void dsa_devlink_resource_occ_get_register(struct dsa_switch *ds,
 					   void *occ_get_priv);
 void dsa_devlink_resource_occ_get_unregister(struct dsa_switch *ds,
 					     u64 resource_id);
+struct devlink_region *
+dsa_devlink_region_create(struct dsa_switch *ds,
+			  const struct devlink_region_ops *ops,
+			  u32 region_max_snapshots, u64 region_size);
+void dsa_devlink_region_destroy(struct devlink_region *region);
+
 struct dsa_port *dsa_port_from_netdev(struct net_device *netdev);
 
 struct dsa_devlink_priv {
diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c
index 9b7019d86165..5c18c0214aac 100644
--- a/net/dsa/dsa.c
+++ b/net/dsa/dsa.c
@@ -404,6 +404,22 @@ void dsa_devlink_resource_occ_get_unregister(struct dsa_switch *ds,
 }
 EXPORT_SYMBOL_GPL(dsa_devlink_resource_occ_get_unregister);
 
+struct devlink_region *
+dsa_devlink_region_create(struct dsa_switch *ds,
+			  const struct devlink_region_ops *ops,
+			  u32 region_max_snapshots, u64 region_size)
+{
+	return devlink_region_create(ds->devlink, ops, region_max_snapshots,
+				     region_size);
+}
+EXPORT_SYMBOL_GPL(dsa_devlink_region_create);
+
+void dsa_devlink_region_destroy(struct devlink_region *region)
+{
+	devlink_region_destroy(region);
+}
+EXPORT_SYMBOL_GPL(dsa_devlink_region_destroy);
+
 struct dsa_port *dsa_port_from_netdev(struct net_device *netdev)
 {
 	if (!netdev || !dsa_slave_dev_check(netdev))
-- 
2.28.0