From: Yishai Hadas <yishaih@nvidia.com>
Date: Mon, 5 Sep 2022 13:58:44 +0300
Subject: net/mlx5: Query ADV_VIRTUALIZATION capabilities
Patch-mainline: v6.1-rc1
Git-commit: 939838632b9119614128028eaea3b1d7bf29f16f
References: jsc#PED-1549
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>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
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(+)
--- a/drivers/net/ethernet/mellanox/mlx5/core/fw.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fw.c
@@ -280,6 +280,12 @@ int mlx5_query_hca_caps(struct mlx5_core
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;
}
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -1508,6 +1508,7 @@ static const int types[] = {
MLX5_CAP_PORT_SELECTION,
MLX5_CAP_DEV_SHAMPO,
MLX5_CAP_MACSEC,
+ MLX5_CAP_ADV_VIRTUALIZATION,
};
static void mlx5_hca_caps_free(struct mlx5_core_dev *dev)
--- a/include/linux/mlx5/device.h
+++ b/include/linux/mlx5/device.h
@@ -1209,6 +1209,7 @@ enum mlx5_cap_type {
MLX5_CAP_MACSEC = 0x1f,
MLX5_CAP_GENERAL_2 = 0x20,
MLX5_CAP_PORT_SELECTION = 0x25,
+ MLX5_CAP_ADV_VIRTUALIZATION = 0x26,
/* NUM OF CAP Types */
MLX5_CAP_NUM
};
@@ -1374,6 +1375,14 @@ 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)