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Date: Fri, 9 Jun 2023 18:42:51 -0700
From: Saeed Mahameed <saeed@...nel.org>
To: "David S. Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
Eric Dumazet <edumazet@...gle.com>
Cc: Saeed Mahameed <saeedm@...dia.com>,
netdev@...r.kernel.org,
Tariq Toukan <tariqt@...dia.com>,
Shay Drory <shayd@...dia.com>,
Moshe Shemesh <moshe@...dia.com>
Subject: [net-next 12/15] net/mlx5: Split function_setup() to enable and open functions
From: Shay Drory <shayd@...dia.com>
mlx5_cmd_init_hca() is taking ~0.2 seconds. In case of a user who
desire to disable some of the SF aux devices, and with large scale-1K
SFs for example, this user will waste more than 3 minutes on
mlx5_cmd_init_hca() which isn't needed at this stage.
Downstream patch will change SFs which are probe over the E-switch,
local SFs, to be probed without any aux dev. In order to support this,
split function_setup() to avoid executing mlx5_cmd_init_hca().
Signed-off-by: Shay Drory <shayd@...dia.com>
Reviewed-by: Moshe Shemesh <moshe@...dia.com>
Signed-off-by: Saeed Mahameed <saeedm@...dia.com>
---
.../net/ethernet/mellanox/mlx5/core/main.c | 83 +++++++++++++------
1 file changed, 58 insertions(+), 25 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index fed8b48a5b20..0faae77d84e6 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -1118,7 +1118,7 @@ static void mlx5_cleanup_once(struct mlx5_core_dev *dev)
mlx5_devcom_unregister_device(dev->priv.devcom);
}
-static int mlx5_function_setup(struct mlx5_core_dev *dev, bool boot, u64 timeout)
+static int mlx5_function_enable(struct mlx5_core_dev *dev, bool boot, u64 timeout)
{
int err;
@@ -1183,28 +1183,56 @@ static int mlx5_function_setup(struct mlx5_core_dev *dev, bool boot, u64 timeout
goto reclaim_boot_pages;
}
+ return 0;
+
+reclaim_boot_pages:
+ mlx5_reclaim_startup_pages(dev);
+err_disable_hca:
+ mlx5_core_disable_hca(dev, 0);
+stop_health_poll:
+ mlx5_stop_health_poll(dev, boot);
+err_cmd_cleanup:
+ mlx5_cmd_set_state(dev, MLX5_CMDIF_STATE_DOWN);
+ mlx5_cmd_cleanup(dev);
+
+ return err;
+}
+
+static void mlx5_function_disable(struct mlx5_core_dev *dev, bool boot)
+{
+ mlx5_reclaim_startup_pages(dev);
+ mlx5_core_disable_hca(dev, 0);
+ mlx5_stop_health_poll(dev, boot);
+ mlx5_cmd_set_state(dev, MLX5_CMDIF_STATE_DOWN);
+ mlx5_cmd_cleanup(dev);
+}
+
+static int mlx5_function_open(struct mlx5_core_dev *dev)
+{
+ int err;
+
err = set_hca_ctrl(dev);
if (err) {
mlx5_core_err(dev, "set_hca_ctrl failed\n");
- goto reclaim_boot_pages;
+ return err;
}
err = set_hca_cap(dev);
if (err) {
mlx5_core_err(dev, "set_hca_cap failed\n");
- goto reclaim_boot_pages;
+ return err;
}
err = mlx5_satisfy_startup_pages(dev, 0);
if (err) {
mlx5_core_err(dev, "failed to allocate init pages\n");
- goto reclaim_boot_pages;
+ return err;
}
err = mlx5_cmd_init_hca(dev, sw_owner_id);
if (err) {
mlx5_core_err(dev, "init hca failed\n");
- goto reclaim_boot_pages;
+ return err;
}
mlx5_set_driver_version(dev);
@@ -1212,26 +1240,13 @@ static int mlx5_function_setup(struct mlx5_core_dev *dev, bool boot, u64 timeout
err = mlx5_query_hca_caps(dev);
if (err) {
mlx5_core_err(dev, "query hca failed\n");
- goto reclaim_boot_pages;
+ return err;
}
mlx5_start_health_fw_log_up(dev);
-
return 0;
-
-reclaim_boot_pages:
- mlx5_reclaim_startup_pages(dev);
-err_disable_hca:
- mlx5_core_disable_hca(dev, 0);
-stop_health_poll:
- mlx5_stop_health_poll(dev, boot);
-err_cmd_cleanup:
- mlx5_cmd_set_state(dev, MLX5_CMDIF_STATE_DOWN);
- mlx5_cmd_cleanup(dev);
-
- return err;
}
-static int mlx5_function_teardown(struct mlx5_core_dev *dev, bool boot)
+static int mlx5_function_close(struct mlx5_core_dev *dev)
{
int err;
@@ -1240,15 +1255,33 @@ static int mlx5_function_teardown(struct mlx5_core_dev *dev, bool boot)
mlx5_core_err(dev, "tear_down_hca failed, skip cleanup\n");
return err;
}
- mlx5_reclaim_startup_pages(dev);
- mlx5_core_disable_hca(dev, 0);
- mlx5_stop_health_poll(dev, boot);
- mlx5_cmd_set_state(dev, MLX5_CMDIF_STATE_DOWN);
- mlx5_cmd_cleanup(dev);
return 0;
}
+static int mlx5_function_setup(struct mlx5_core_dev *dev, bool boot, u64 timeout)
+{
+ int err;
+
+ err = mlx5_function_enable(dev, boot, timeout);
+ if (err)
+ return err;
+
+ err = mlx5_function_open(dev);
+ if (err)
+ mlx5_function_disable(dev, boot);
+ return err;
+}
+
+static int mlx5_function_teardown(struct mlx5_core_dev *dev, bool boot)
+{
+ int err = mlx5_function_close(dev);
+
+ if (!err)
+ mlx5_function_disable(dev, boot);
+ return err;
+}
+
static int mlx5_load(struct mlx5_core_dev *dev)
{
int err;
--
2.40.1
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