diff mbox series

[V7,vfio,02/10] net/mlx5: Query ADV_VIRTUALIZATION capabilities

Message ID 20220908183448.195262-3-yishaih@nvidia.com (mailing list archive)
State New, archived
Headers show
Series Add device DMA logging support for mlx5 driver | expand

Commit Message

Yishai Hadas Sept. 8, 2022, 6:34 p.m. UTC 
Query ADV_VIRTUALIZATION capabilities which provide information for
advanced virtualization related features.

Current capabilities refer to the page tracker object which is used for
tracking the pages that are dirtied by the device.

Signed-off-by: Yishai Hadas <yishaih@nvidia.com>
Link: https://lore.kernel.org/r/20220905105852.26398-3-yishaih@nvidia.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
---
 drivers/net/ethernet/mellanox/mlx5/core/fw.c   | 6 ++++++
 drivers/net/ethernet/mellanox/mlx5/core/main.c | 1 +
 include/linux/mlx5/device.h                    | 9 +++++++++
 3 files changed, 16 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fw.c b/drivers/net/ethernet/mellanox/mlx5/core/fw.c
index 079fa44ada71..483a51870505 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fw.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fw.c
@@ -273,6 +273,12 @@  int mlx5_query_hca_caps(struct mlx5_core_dev *dev)
 			return err;
 	}
 
+	if (MLX5_CAP_GEN(dev, adv_virtualization)) {
+		err = mlx5_core_get_caps(dev, MLX5_CAP_ADV_VIRTUALIZATION);
+		if (err)
+			return err;
+	}
+
 	return 0;
 }
 
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index c085b031abfc..de9c315a85fc 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -1488,6 +1488,7 @@  static const int types[] = {
 	MLX5_CAP_IPSEC,
 	MLX5_CAP_PORT_SELECTION,
 	MLX5_CAP_DEV_SHAMPO,
+	MLX5_CAP_ADV_VIRTUALIZATION,
 };
 
 static void mlx5_hca_caps_free(struct mlx5_core_dev *dev)
diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h
index b5f58fd37a0f..5b41b9fb3d48 100644
--- a/include/linux/mlx5/device.h
+++ b/include/linux/mlx5/device.h
@@ -1200,6 +1200,7 @@  enum mlx5_cap_type {
 	MLX5_CAP_DEV_SHAMPO = 0x1d,
 	MLX5_CAP_GENERAL_2 = 0x20,
 	MLX5_CAP_PORT_SELECTION = 0x25,
+	MLX5_CAP_ADV_VIRTUALIZATION = 0x26,
 	/* NUM OF CAP Types */
 	MLX5_CAP_NUM
 };
@@ -1365,6 +1366,14 @@  enum mlx5_qcam_feature_groups {
 	MLX5_GET(port_selection_cap, \
 		 mdev->caps.hca[MLX5_CAP_PORT_SELECTION]->max, cap)
 
+#define MLX5_CAP_ADV_VIRTUALIZATION(mdev, cap) \
+	MLX5_GET(adv_virtualization_cap, \
+		 mdev->caps.hca[MLX5_CAP_ADV_VIRTUALIZATION]->cur, cap)
+
+#define MLX5_CAP_ADV_VIRTUALIZATION_MAX(mdev, cap) \
+	MLX5_GET(adv_virtualization_cap, \
+		 mdev->caps.hca[MLX5_CAP_ADV_VIRTUALIZATION]->max, cap)
+
 #define MLX5_CAP_FLOWTABLE_PORT_SELECTION(mdev, cap) \
 	MLX5_CAP_PORT_SELECTION(mdev, flow_table_properties_port_selection.cap)