@@ -6,6 +6,7 @@
#include "lib/mlx5.h"
#include "fs_cmd.h"
#include <linux/mlx5/vport.h>
+#include <linux/debugfs.h>
#define sd_info(__dev, format, ...) \
dev_info((__dev)->device, "Socket-Direct: " format, ##__VA_ARGS__)
@@ -16,6 +17,7 @@ struct mlx5_sd {
u32 group_id;
u8 host_buses;
struct mlx5_devcom_comp_dev *devcom;
+ struct dentry *dfs;
bool primary;
union {
struct { /* primary */
@@ -391,6 +393,26 @@ static void sd_print_group(struct mlx5_core_dev *primary)
MLX5_CAP_GEN(pos, vhca_id));
}
+static ssize_t dev_read(struct file *filp, char __user *buf, size_t count,
+ loff_t *pos)
+{
+ struct mlx5_core_dev *dev;
+ char tbuf[32];
+ int ret;
+
+ dev = filp->private_data;
+ ret = snprintf(tbuf, sizeof(tbuf), "%s vhca %#x\n", pci_name(dev->pdev),
+ MLX5_CAP_GEN(dev, vhca_id));
+
+ return simple_read_from_buffer(buf, count, pos, tbuf, ret);
+}
+
+static const struct file_operations dev_fops = {
+ .owner = THIS_MODULE,
+ .open = simple_open,
+ .read = dev_read,
+};
+
int mlx5_sd_init(struct mlx5_core_dev *dev)
{
struct mlx5_core_dev *primary, *pos, *to;
@@ -422,10 +444,20 @@ int mlx5_sd_init(struct mlx5_core_dev *dev)
if (err)
goto err_sd_unregister;
+ sd->dfs = debugfs_create_dir("sd", mlx5_debugfs_get_dev_root(primary));
+ debugfs_create_x32("group_id", 0400, sd->dfs, &sd->group_id);
+ debugfs_create_file("primary", 0400, sd->dfs, primary, &dev_fops);
+
mlx5_sd_for_each_secondary(i, primary, pos) {
+ char name[32];
+
err = sd_cmd_set_secondary(pos, primary, alias_key);
if (err)
goto err_unset_secondaries;
+
+ snprintf(name, sizeof(name), "secondary_%d", i - 1);
+ debugfs_create_file(name, 0400, sd->dfs, pos, &dev_fops);
+
}
sd_info(primary, "group id %#x, size %d, combined\n",
@@ -439,6 +471,7 @@ int mlx5_sd_init(struct mlx5_core_dev *dev)
mlx5_sd_for_each_secondary_to(i, primary, to, pos)
sd_cmd_unset_secondary(pos);
sd_cmd_unset_primary(primary);
+ debugfs_remove_recursive(sd->dfs);
err_sd_unregister:
sd_unregister(dev);
err_sd_cleanup:
@@ -462,6 +495,7 @@ void mlx5_sd_cleanup(struct mlx5_core_dev *dev)
mlx5_sd_for_each_secondary(i, primary, pos)
sd_cmd_unset_secondary(pos);
sd_cmd_unset_primary(primary);
+ debugfs_remove_recursive(sd->dfs);
sd_info(primary, "group id %#x, uncombined\n", sd->group_id);
out: