#pragma GCC diagnostic ignored "-Wpedantic"
#endif
#include <rte_vdpa.h>
+#include <vdpa_driver.h>
#include <rte_vhost.h>
#ifdef PEDANTIC
#pragma GCC diagnostic error "-Wpedantic"
#include <mlx5_glue.h>
#include <mlx5_devx_cmds.h>
+#include <mlx5_common_devx.h>
#include <mlx5_prm.h>
#define VIRTIO_F_RING_PACKED 34
#endif
+#define MLX5_VDPA_DEFAULT_TIMER_DELAY_US 0u
+#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;
- struct mlx5dv_devx_umem *umem_obj;
- union {
- volatile void *umem_buf;
- volatile struct mlx5_cqe *cqes;
- };
- volatile uint32_t *db_rec;
+ struct mlx5_devx_cq cq_obj;
uint64_t errors;
};
struct mlx5_vdpa_event_qp {
struct mlx5_vdpa_cq cq;
struct mlx5_devx_obj *fw_qp;
- struct mlx5_devx_obj *sw_qp;
- struct mlx5dv_devx_umem *umem_obj;
- void *umem_buf;
- volatile uint32_t *db_rec;
+ struct mlx5_devx_qp sw_qp;
};
struct mlx5_vdpa_query_mr {
SLIST_ENTRY(mlx5_vdpa_query_mr) next;
- void *addr;
- uint64_t length;
- struct mlx5dv_devx_umem *umem;
- struct mlx5_devx_obj *mkey;
+ union {
+ struct ibv_mr *mr;
+ struct mlx5_devx_obj *mkey;
+ };
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;
void *buf;
uint32_t size;
} umems[3];
- struct rte_intr_handle intr_handle;
+ 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 stats;
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
+};
+
+enum mlx5_dev_state {
+ MLX5_VDPA_STATE_PROBED = 0,
+ MLX5_VDPA_STATE_CONFIGURED,
+ MLX5_VDPA_STATE_IN_PROGRESS /* Shutting down. */
+};
+
struct mlx5_vdpa_priv {
TAILQ_ENTRY(mlx5_vdpa_priv) next;
- uint8_t configured;
- uint8_t direct_notifier; /* Whether direct notifier is on or off. */
+ bool connected;
+ enum mlx5_dev_state state;
+ pthread_mutex_t vq_config_lock;
+ uint64_t no_traffic_counter;
+ pthread_t timer_tid;
+ int event_mode;
+ int event_core; /* Event thread cpu affinity core. */
+ uint32_t event_us;
+ uint32_t timer_delay_us;
+ uint32_t no_traffic_max;
+ uint8_t hw_latency_mode; /* Hardware CQ moderation mode. */
+ uint16_t hw_max_latency_us; /* Hardware CQ moderation period in usec. */
+ uint16_t hw_max_pending_comp; /* Hardware CQ moderation counter. */
struct rte_vdpa_device *vdev; /* vDPA device. */
+ struct mlx5_common_device *cdev; /* Backend mlx5 device. */
int vid; /* vhost device id. */
- struct ibv_context *ctx; /* Device context. */
- struct rte_pci_device *pci_dev;
struct mlx5_hca_vdpa_attr caps;
- uint32_t pdn; /* Protection Domain number. */
- struct ibv_pd *pd;
uint32_t gpa_mkey_index;
struct ibv_mr *null_mr;
struct rte_vhost_memory *vmem;
- uint32_t eqn;
struct mlx5dv_devx_event_channel *eventc;
- struct mlx5dv_devx_uar *uar;
- struct rte_intr_handle intr_handle;
+ struct mlx5dv_devx_event_channel *err_chnl;
+ struct mlx5_uar uar;
+ 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;
struct mlx5dv_var *var;
void *virtq_db_addr;
+ struct mlx5_pmd_wrapped_mr lm_mr;
SLIST_HEAD(mr_list, mlx5_vdpa_query_mr) mr_list;
struct mlx5_vdpa_virtq virtqs[];
};
*/
void mlx5_vdpa_event_qp_destroy(struct mlx5_vdpa_event_qp *eqp);
+/**
+ * Create all the event global resources.
+ *
+ * @param[in] priv
+ * The vdpa driver private structure.
+ */
+int
+mlx5_vdpa_event_qp_global_prepare(struct mlx5_vdpa_priv *priv);
+
/**
* Release all the event global resources.
*
void mlx5_vdpa_cqe_event_unset(struct mlx5_vdpa_priv *priv);
/**
- * Release a virtq and all its related resources.
+ * 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 virtqs and resources except that to be reused.
*
* @param[in] priv
* The vdpa driver private structure.
*/
void mlx5_vdpa_virtqs_release(struct mlx5_vdpa_priv *priv);
+/**
+ * Cleanup cached resources of all virtqs.
+ *
+ * @param[in] priv
+ * The vdpa driver private structure.
+ */
+void mlx5_vdpa_virtqs_cleanup(struct mlx5_vdpa_priv *priv);
+
/**
* Create all the HW virtqs resources and all their related resources.
*
int mlx5_vdpa_virtq_enable(struct mlx5_vdpa_priv *priv, int index, int enable);
/**
- * Unset steering and release all its related resources- stop traffic.
+ * Unset steering - stop traffic.
*
* @param[in] priv
* The vdpa driver private structure.
*/
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.
*