diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/fpga/core.c')
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/fpga/core.c | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fpga/core.c b/drivers/net/ethernet/mellanox/mlx5/core/fpga/core.c index d88b332e9669..92d8b1b6e598 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fpga/core.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fpga/core.c @@ -35,6 +35,7 @@ #include <linux/mlx5/driver.h> #include "mlx5_core.h" +#include "lib/mlx5.h" #include "fpga/core.h" static const char *const mlx5_fpga_error_strings[] = { @@ -104,6 +105,7 @@ int mlx5_fpga_device_start(struct mlx5_core_dev *mdev) { struct mlx5_fpga_device *fdev = mdev->fpga; unsigned long flags; + unsigned int max_num_qps; int err; if (!fdev) @@ -123,6 +125,9 @@ int mlx5_fpga_device_start(struct mlx5_core_dev *mdev) mlx5_fpga_image_name(fdev->last_oper_image), MLX5_CAP_FPGA(fdev->mdev, image_version)); + max_num_qps = MLX5_CAP_FPGA(mdev, shell_caps.max_num_qps); + err = mlx5_core_reserve_gids(mdev, max_num_qps); + out: spin_lock_irqsave(&fdev->state_lock, flags); fdev->state = err ? MLX5_FPGA_STATUS_FAILURE : MLX5_FPGA_STATUS_SUCCESS; @@ -151,9 +156,33 @@ int mlx5_fpga_device_init(struct mlx5_core_dev *mdev) return 0; } +void mlx5_fpga_device_stop(struct mlx5_core_dev *mdev) +{ + struct mlx5_fpga_device *fdev = mdev->fpga; + unsigned int max_num_qps; + unsigned long flags; + + if (!fdev) + return; + + spin_lock_irqsave(&fdev->state_lock, flags); + if (fdev->state != MLX5_FPGA_STATUS_SUCCESS) { + spin_unlock_irqrestore(&fdev->state_lock, flags); + return; + } + fdev->state = MLX5_FPGA_STATUS_NONE; + spin_unlock_irqrestore(&fdev->state_lock, flags); + + max_num_qps = MLX5_CAP_FPGA(mdev, shell_caps.max_num_qps); + mlx5_core_unreserve_gids(mdev, max_num_qps); +} + void mlx5_fpga_device_cleanup(struct mlx5_core_dev *mdev) { - kfree(mdev->fpga); + struct mlx5_fpga_device *fdev = mdev->fpga; + + mlx5_fpga_device_stop(mdev); + kfree(fdev); mdev->fpga = NULL; } |