diff options
| -rw-r--r-- | drivers/vdpa/mlx5/Makefile | 2 | ||||
| -rw-r--r-- | drivers/vdpa/mlx5/net/debug.c | 66 | ||||
| -rw-r--r-- | drivers/vdpa/mlx5/net/mlx5_vnet.c | 11 | ||||
| -rw-r--r-- | drivers/vdpa/mlx5/net/mlx5_vnet.h | 9 |
4 files changed, 87 insertions, 1 deletions
diff --git a/drivers/vdpa/mlx5/Makefile b/drivers/vdpa/mlx5/Makefile index f717978c83bf..e791394c33e3 100644 --- a/drivers/vdpa/mlx5/Makefile +++ b/drivers/vdpa/mlx5/Makefile @@ -1,4 +1,4 @@ subdir-ccflags-y += -I$(srctree)/drivers/vdpa/mlx5/core obj-$(CONFIG_MLX5_VDPA_NET) += mlx5_vdpa.o -mlx5_vdpa-$(CONFIG_MLX5_VDPA_NET) += net/mlx5_vnet.o core/resources.o core/mr.o +mlx5_vdpa-$(CONFIG_MLX5_VDPA_NET) += net/mlx5_vnet.o core/resources.o core/mr.o net/debug.o diff --git a/drivers/vdpa/mlx5/net/debug.c b/drivers/vdpa/mlx5/net/debug.c new file mode 100644 index 000000000000..95e4801df211 --- /dev/null +++ b/drivers/vdpa/mlx5/net/debug.c @@ -0,0 +1,66 @@ +// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB +/* Copyright (c) 2022, NVIDIA CORPORATION & AFFILIATES. All rights reserved. */ + +#include <linux/debugfs.h> +#include <linux/mlx5/fs.h> +#include "mlx5_vnet.h" + +static int tirn_show(struct seq_file *file, void *priv) +{ + struct mlx5_vdpa_net *ndev = file->private; + + seq_printf(file, "0x%x\n", ndev->res.tirn); + return 0; +} + +DEFINE_SHOW_ATTRIBUTE(tirn); + +void mlx5_vdpa_remove_tirn(struct mlx5_vdpa_net *ndev) +{ + if (ndev->debugfs) + debugfs_remove(ndev->res.tirn_dent); +} + +void mlx5_vdpa_add_tirn(struct mlx5_vdpa_net *ndev) +{ + ndev->res.tirn_dent = debugfs_create_file("tirn", 0444, ndev->rx_dent, + ndev, &tirn_fops); +} + +static int rx_flow_table_show(struct seq_file *file, void *priv) +{ + struct mlx5_vdpa_net *ndev = file->private; + + seq_printf(file, "0x%x\n", mlx5_flow_table_id(ndev->rxft)); + return 0; +} + +DEFINE_SHOW_ATTRIBUTE(rx_flow_table); + +void mlx5_vdpa_remove_rx_flow_table(struct mlx5_vdpa_net *ndev) +{ + if (ndev->debugfs) + debugfs_remove(ndev->rx_table_dent); +} + +void mlx5_vdpa_add_rx_flow_table(struct mlx5_vdpa_net *ndev) +{ + ndev->rx_table_dent = debugfs_create_file("table_id", 0444, ndev->rx_dent, + ndev, &rx_flow_table_fops); +} + +void mlx5_vdpa_add_debugfs(struct mlx5_vdpa_net *ndev) +{ + struct mlx5_core_dev *mdev; + + mdev = ndev->mvdev.mdev; + ndev->debugfs = debugfs_create_dir(dev_name(&ndev->mvdev.vdev.dev), + mlx5_debugfs_get_dev_root(mdev)); + if (!IS_ERR(ndev->debugfs)) + ndev->rx_dent = debugfs_create_dir("rx", ndev->debugfs); +} + +void mlx5_vdpa_remove_debugfs(struct dentry *dbg) +{ + debugfs_remove_recursive(dbg); +} diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c index da54a188077d..4b097e6ddba0 100644 --- a/drivers/vdpa/mlx5/net/mlx5_vnet.c +++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c @@ -1388,11 +1388,16 @@ static int create_tir(struct mlx5_vdpa_net *ndev) err = mlx5_vdpa_create_tir(&ndev->mvdev, in, &ndev->res.tirn); kfree(in); + if (err) + return err; + + mlx5_vdpa_add_tirn(ndev); return err; } static void destroy_tir(struct mlx5_vdpa_net *ndev) { + mlx5_vdpa_remove_tirn(ndev); mlx5_vdpa_destroy_tir(&ndev->mvdev, ndev->res.tirn); } @@ -1578,6 +1583,7 @@ static int setup_steering(struct mlx5_vdpa_net *ndev) mlx5_vdpa_warn(&ndev->mvdev, "failed to create flow table\n"); return PTR_ERR(ndev->rxft); } + mlx5_vdpa_add_rx_flow_table(ndev); err = mac_vlan_add(ndev, ndev->config.mac, 0, false); if (err) @@ -1586,6 +1592,7 @@ static int setup_steering(struct mlx5_vdpa_net *ndev) return 0; err_add: + mlx5_vdpa_remove_rx_flow_table(ndev); mlx5_destroy_flow_table(ndev->rxft); return err; } @@ -1593,6 +1600,7 @@ err_add: static void teardown_steering(struct mlx5_vdpa_net *ndev) { clear_mac_vlan_table(ndev); + mlx5_vdpa_remove_rx_flow_table(ndev); mlx5_destroy_flow_table(ndev->rxft); } @@ -3135,6 +3143,7 @@ static int mlx5_vdpa_dev_add(struct vdpa_mgmt_dev *v_mdev, const char *name, if (err) goto err_reg; + mlx5_vdpa_add_debugfs(ndev); mgtdev->ndev = ndev; return 0; @@ -3161,6 +3170,8 @@ static void mlx5_vdpa_dev_del(struct vdpa_mgmt_dev *v_mdev, struct vdpa_device * struct mlx5_vdpa_net *ndev = to_mlx5_vdpa_ndev(mvdev); struct workqueue_struct *wq; + mlx5_vdpa_remove_debugfs(ndev->debugfs); + ndev->debugfs = NULL; if (ndev->nb_registered) { ndev->nb_registered = false; mlx5_notifier_unregister(mvdev->mdev, &ndev->nb); diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.h b/drivers/vdpa/mlx5/net/mlx5_vnet.h index 6691c879a6ca..f2cef3925e5b 100644 --- a/drivers/vdpa/mlx5/net/mlx5_vnet.h +++ b/drivers/vdpa/mlx5/net/mlx5_vnet.h @@ -16,6 +16,7 @@ struct mlx5_vdpa_net_resources { u32 tirn; u32 rqtn; bool valid; + struct dentry *tirn_dent; }; #define MLX5V_MACVLAN_SIZE 256 @@ -43,6 +44,7 @@ struct mlx5_vdpa_net { struct vdpa_callback config_cb; struct mlx5_vdpa_wq_ent cvq_ent; struct hlist_head macvlan_hash[MLX5V_MACVLAN_SIZE]; + struct dentry *debugfs; }; struct macvlan_node { @@ -52,4 +54,11 @@ struct macvlan_node { u64 macvlan; }; +void mlx5_vdpa_add_debugfs(struct mlx5_vdpa_net *ndev); +void mlx5_vdpa_remove_debugfs(struct dentry *dbg); +void mlx5_vdpa_add_rx_flow_table(struct mlx5_vdpa_net *ndev); +void mlx5_vdpa_remove_rx_flow_table(struct mlx5_vdpa_net *ndev); +void mlx5_vdpa_add_tirn(struct mlx5_vdpa_net *ndev); +void mlx5_vdpa_remove_tirn(struct mlx5_vdpa_net *ndev); + #endif /* __MLX5_VNET_H__ */ |