vdpa/mlx5: control completion queue event mode

[dpdk.git] / drivers / vdpa / mlx5 / mlx5_vdpa.h

diff --git a/drivers/vdpa/mlx5/mlx5_vdpa.h b/drivers/vdpa/mlx5/mlx5_vdpa.h
index 685bb42..abf7d1b 100644 (file)
--- a/drivers/vdpa/mlx5/mlx5_vdpa.h
+++ b/drivers/vdpa/mlx5/mlx5_vdpa.h
@@ -36,6 +36,9 @@
 #define VIRTIO_F_RING_PACKED 34
 #endif
 
+#define MLX5_VDPA_DEFAULT_TIMER_DELAY_US 100u
+#define MLX5_VDPA_DEFAULT_TIMER_STEP_US 1u
+
 struct mlx5_vdpa_cq {
        uint16_t log_desc_n;
        uint32_t cq_ci:24;
@@ -101,6 +104,12 @@ struct mlx5_vdpa_steer {
        } rss[7];
 };
 
+enum {
+       MLX5_VDPA_EVENT_MODE_DYNAMIC_TIMER,
+       MLX5_VDPA_EVENT_MODE_FIXED_TIMER,
+       MLX5_VDPA_EVENT_MODE_ONLY_INTERRUPT
+};
+
 struct mlx5_vdpa_priv {
        TAILQ_ENTRY(mlx5_vdpa_priv) next;
        uint8_t configured;
@@ -110,7 +119,10 @@ struct mlx5_vdpa_priv {
        pthread_mutex_t timer_lock;
        pthread_cond_t timer_cond;
        volatile uint8_t timer_on;
+       int event_mode;
+       uint32_t event_us;
        uint32_t timer_delay_us;
+       uint32_t no_traffic_time_s;
        struct rte_vdpa_device *vdev; /* vDPA device. */
        int vid; /* vhost device id. */
        struct ibv_context *ctx; /* Device context. */