diff options
Diffstat (limited to 'drivers/net/ethernet/google/gve/gve.h')
-rw-r--r-- | drivers/net/ethernet/google/gve/gve.h | 92 |
1 files changed, 50 insertions, 42 deletions
diff --git a/drivers/net/ethernet/google/gve/gve.h b/drivers/net/ethernet/google/gve/gve.h index ba6819ac600e..fd290f3ad6ec 100644 --- a/drivers/net/ethernet/google/gve/gve.h +++ b/drivers/net/ethernet/google/gve/gve.h @@ -966,14 +966,14 @@ static inline bool gve_is_qpl(struct gve_priv *priv) priv->queue_format == GVE_DQO_QPL_FORMAT; } -/* Returns the number of tx queue page lists - */ -static inline u32 gve_num_tx_qpls(struct gve_priv *priv) +/* Returns the number of tx queue page lists */ +static inline u32 gve_num_tx_qpls(const struct gve_queue_config *tx_cfg, + int num_xdp_queues, + bool is_qpl) { - if (!gve_is_qpl(priv)) + if (!is_qpl) return 0; - - return priv->tx_cfg.num_queues + priv->num_xdp_queues; + return tx_cfg->num_queues + num_xdp_queues; } /* Returns the number of XDP tx queue page lists @@ -986,14 +986,13 @@ static inline u32 gve_num_xdp_qpls(struct gve_priv *priv) return priv->num_xdp_queues; } -/* Returns the number of rx queue page lists - */ -static inline u32 gve_num_rx_qpls(struct gve_priv *priv) +/* Returns the number of rx queue page lists */ +static inline u32 gve_num_rx_qpls(const struct gve_queue_config *rx_cfg, + bool is_qpl) { - if (!gve_is_qpl(priv)) + if (!is_qpl) return 0; - - return priv->rx_cfg.num_queues; + return rx_cfg->num_queues; } static inline u32 gve_tx_qpl_id(struct gve_priv *priv, int tx_qid) @@ -1006,59 +1005,59 @@ static inline u32 gve_rx_qpl_id(struct gve_priv *priv, int rx_qid) return priv->tx_cfg.max_queues + rx_qid; } +/* Returns the index into priv->qpls where a certain rx queue's QPL resides */ +static inline u32 gve_get_rx_qpl_id(const struct gve_queue_config *tx_cfg, int rx_qid) +{ + return tx_cfg->max_queues + rx_qid; +} + static inline u32 gve_tx_start_qpl_id(struct gve_priv *priv) { return gve_tx_qpl_id(priv, 0); } -static inline u32 gve_rx_start_qpl_id(struct gve_priv *priv) +/* Returns the index into priv->qpls where the first rx queue's QPL resides */ +static inline u32 gve_rx_start_qpl_id(const struct gve_queue_config *tx_cfg) { - return gve_rx_qpl_id(priv, 0); + return gve_get_rx_qpl_id(tx_cfg, 0); } -/* Returns a pointer to the next available tx qpl in the list of qpls - */ +/* Returns a pointer to the next available tx qpl in the list of qpls */ static inline -struct gve_queue_page_list *gve_assign_tx_qpl(struct gve_priv *priv, int tx_qid) +struct gve_queue_page_list *gve_assign_tx_qpl(struct gve_tx_alloc_rings_cfg *cfg, + int tx_qid) { - int id = gve_tx_qpl_id(priv, tx_qid); - /* QPL already in use */ - if (test_bit(id, priv->qpl_cfg.qpl_id_map)) + if (test_bit(tx_qid, cfg->qpl_cfg->qpl_id_map)) return NULL; - - set_bit(id, priv->qpl_cfg.qpl_id_map); - return &priv->qpls[id]; + set_bit(tx_qid, cfg->qpl_cfg->qpl_id_map); + return &cfg->qpls[tx_qid]; } -/* Returns a pointer to the next available rx qpl in the list of qpls - */ +/* Returns a pointer to the next available rx qpl in the list of qpls */ static inline -struct gve_queue_page_list *gve_assign_rx_qpl(struct gve_priv *priv, int rx_qid) +struct gve_queue_page_list *gve_assign_rx_qpl(struct gve_rx_alloc_rings_cfg *cfg, + int rx_qid) { - int id = gve_rx_qpl_id(priv, rx_qid); - + int id = gve_get_rx_qpl_id(cfg->qcfg_tx, rx_qid); /* QPL already in use */ - if (test_bit(id, priv->qpl_cfg.qpl_id_map)) + if (test_bit(id, cfg->qpl_cfg->qpl_id_map)) return NULL; - - set_bit(id, priv->qpl_cfg.qpl_id_map); - return &priv->qpls[id]; + set_bit(id, cfg->qpl_cfg->qpl_id_map); + return &cfg->qpls[id]; } -/* Unassigns the qpl with the given id - */ -static inline void gve_unassign_qpl(struct gve_priv *priv, int id) +/* Unassigns the qpl with the given id */ +static inline void gve_unassign_qpl(struct gve_qpl_config *qpl_cfg, int id) { - clear_bit(id, priv->qpl_cfg.qpl_id_map); + clear_bit(id, qpl_cfg->qpl_id_map); } -/* Returns the correct dma direction for tx and rx qpls - */ +/* Returns the correct dma direction for tx and rx qpls */ static inline enum dma_data_direction gve_qpl_dma_dir(struct gve_priv *priv, int id) { - if (id < gve_rx_start_qpl_id(priv)) + if (id < gve_rx_start_qpl_id(&priv->tx_cfg)) return DMA_TO_DEVICE; else return DMA_FROM_DEVICE; @@ -1103,8 +1102,12 @@ int gve_xdp_xmit_one(struct gve_priv *priv, struct gve_tx_ring *tx, void gve_xdp_tx_flush(struct gve_priv *priv, u32 xdp_qid); bool gve_tx_poll(struct gve_notify_block *block, int budget); bool gve_xdp_poll(struct gve_notify_block *block, int budget); -int gve_tx_alloc_rings(struct gve_priv *priv, int start_id, int num_rings); -void gve_tx_free_rings_gqi(struct gve_priv *priv, int start_id, int num_rings); +int gve_tx_alloc_rings_gqi(struct gve_priv *priv, + struct gve_tx_alloc_rings_cfg *cfg); +void gve_tx_free_rings_gqi(struct gve_priv *priv, + struct gve_tx_alloc_rings_cfg *cfg); +void gve_tx_start_ring_gqi(struct gve_priv *priv, int idx); +void gve_tx_stop_ring_gqi(struct gve_priv *priv, int idx); u32 gve_tx_load_event_counter(struct gve_priv *priv, struct gve_tx_ring *tx); bool gve_tx_clean_pending(struct gve_priv *priv, struct gve_tx_ring *tx); @@ -1113,7 +1116,12 @@ void gve_rx_write_doorbell(struct gve_priv *priv, struct gve_rx_ring *rx); int gve_rx_poll(struct gve_notify_block *block, int budget); bool gve_rx_work_pending(struct gve_rx_ring *rx); int gve_rx_alloc_rings(struct gve_priv *priv); -void gve_rx_free_rings_gqi(struct gve_priv *priv); +int gve_rx_alloc_rings_gqi(struct gve_priv *priv, + struct gve_rx_alloc_rings_cfg *cfg); +void gve_rx_free_rings_gqi(struct gve_priv *priv, + struct gve_rx_alloc_rings_cfg *cfg); +void gve_rx_start_ring_gqi(struct gve_priv *priv, int idx); +void gve_rx_stop_ring_gqi(struct gve_priv *priv, int idx); /* Reset */ void gve_schedule_reset(struct gve_priv *priv); int gve_reset(struct gve_priv *priv, bool attempt_teardown); |