#pragma GCC diagnostic ignored "-Wpedantic"
#endif
#include <rte_vdpa.h>
+#include <rte_vdpa_dev.h>
#include <rte_vhost.h>
#ifdef PEDANTIC
#pragma GCC diagnostic error "-Wpedantic"
#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;
uint32_t arm_sn:2;
+ uint32_t armed:1;
int callfd;
rte_spinlock_t sl;
struct mlx5_devx_obj *cq;
int is_indirect;
};
+enum {
+ MLX5_VDPA_NOTIFIER_STATE_DISABLED,
+ MLX5_VDPA_NOTIFIER_STATE_ENABLED,
+ MLX5_VDPA_NOTIFIER_STATE_ERR
+};
+
struct mlx5_vdpa_virtq {
SLIST_ENTRY(mlx5_vdpa_virtq) next;
uint8_t enable;
uint16_t index;
uint16_t vq_size;
+ uint8_t notifier_state;
+ bool stopped;
+ uint32_t version;
struct mlx5_vdpa_priv *priv;
struct mlx5_devx_obj *virtq;
struct mlx5_devx_obj *counters;
uint32_t size;
} umems[3];
struct rte_intr_handle intr_handle;
+ uint64_t err_time[3]; /* RDTSC time of recent errors. */
+ uint32_t n_retry;
struct mlx5_devx_virtio_q_couners_attr reset;
};
} 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;
- uint8_t direct_notifier; /* Whether direct notifier is on or off. */
+ pthread_mutex_t vq_config_lock;
+ uint64_t last_traffic_tic;
+ pthread_t timer_tid;
+ 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. */
struct rte_vhost_memory *vmem;
uint32_t eqn;
struct mlx5dv_devx_event_channel *eventc;
+ struct mlx5dv_devx_event_channel *err_chnl;
struct mlx5dv_devx_uar *uar;
struct rte_intr_handle intr_handle;
+ struct rte_intr_handle err_intr_handle;
struct mlx5_devx_obj *td;
- struct mlx5_devx_obj *tis;
+ struct mlx5_devx_obj *tiss[16]; /* TIS list for each LAG port. */
uint16_t nr_virtqs;
+ uint8_t num_lag_ports;
uint64_t features; /* Negotiated features. */
uint16_t log_max_rqt_size;
struct mlx5_vdpa_steer steer;
*/
void mlx5_vdpa_cqe_event_unset(struct mlx5_vdpa_priv *priv);
+/**
+ * Setup error interrupt handler.
+ *
+ * @param[in] priv
+ * The vdpa driver private structure.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+int mlx5_vdpa_err_event_setup(struct mlx5_vdpa_priv *priv);
+
+/**
+ * Unset error event handler.
+ *
+ * @param[in] priv
+ * The vdpa driver private structure.
+ */
+void mlx5_vdpa_err_event_unset(struct mlx5_vdpa_priv *priv);
+
/**
* Release a virtq and all its related resources.
*
*/
int mlx5_vdpa_virtq_stop(struct mlx5_vdpa_priv *priv, int index);
+/**
+ * Query virtq information.
+ *
+ * @param[in] priv
+ * The vdpa driver private structure.
+ * @param[in] index
+ * The virtq index.
+ *
+ * @return
+ * 0 on success, a negative value otherwise.
+ */
+int mlx5_vdpa_virtq_query(struct mlx5_vdpa_priv *priv, int index);
+
/**
* Get virtq statistics.
*