diff options
Diffstat (limited to 'ena_com.h')
| -rw-r--r-- | ena_com.h | 68 |
1 files changed, 67 insertions, 1 deletions
diff --git a/ena_com.h b/ena_com.h index 3d8bf0e6737e..9425205f5811 100644 --- a/ena_com.h +++ b/ena_com.h @@ -133,6 +133,15 @@ struct ena_com_tx_meta { u16 l4_hdr_len; /* In words */ }; +struct ena_com_llq_info { + bool inline_header; + u16 desc_stride_ctrl; + + u16 desc_list_entry_size; + u16 descs_num_before_header; + u16 descs_per_entry; +}; + struct ena_com_io_cq { struct ena_com_io_desc_addr cdesc_addr; void *bus; @@ -171,6 +180,20 @@ struct ena_com_io_cq { } ____cacheline_aligned; +struct ena_com_io_bounce_buffer_control { + u8 *base_buffer; + u16 next_to_use; + u16 buffer_size; + u16 buffers_num; /* Must be a power of 2 */ +}; + +/* This struct is to keep tracking the current location of the next llq entry */ +struct ena_com_llq_pkt_ctrl { + u8 *curr_bounce_buf; + u16 idx; + u16 descs_left_in_line; +}; + struct ena_com_io_sq { struct ena_com_io_desc_addr desc_addr; void *bus; @@ -183,6 +206,9 @@ struct ena_com_io_sq { u32 msix_vector; struct ena_com_tx_meta cached_tx_meta; + struct ena_com_llq_info llq_info; + struct ena_com_llq_pkt_ctrl llq_buf_ctrl; + struct ena_com_io_bounce_buffer_control bounce_buf_ctrl; u16 q_depth; u16 qid; @@ -190,6 +216,7 @@ struct ena_com_io_sq { u16 idx; u16 tail; u16 next_to_comp; + u16 llq_last_copy_tail; u32 tx_max_header_size; u8 phase; u8 desc_entry_size; @@ -321,6 +348,7 @@ struct ena_com_dev { void __iomem *mem_bar; void *dmadev; void *bus; + enum ena_admin_placement_policy_type tx_mem_queue_type; u32 tx_max_header_size; u16 stats_func; /* Selected function for extended statistic dump */ @@ -337,6 +365,8 @@ struct ena_com_dev { u16 intr_delay_resolution; u32 intr_moder_tx_interval; struct ena_intr_moder_entry *intr_moder_tbl; + + struct ena_com_llq_info llq_info; }; struct ena_com_dev_get_features_ctx { @@ -345,6 +375,7 @@ struct ena_com_dev_get_features_ctx { struct ena_admin_feature_aenq_desc aenq; struct ena_admin_feature_offload_desc offload; struct ena_admin_ena_hw_hints hw_hints; + struct ena_admin_feature_llq_desc llq; }; struct ena_com_create_io_ctx { @@ -426,10 +457,12 @@ void ena_com_admin_destroy(struct ena_com_dev *ena_dev); /* ena_com_dev_reset - Perform device FLR to the device. * @ena_dev: ENA communication layer struct + * @reset_reason: Specify what is the trigger for the reset in case of an error. * * @return - 0 on success, negative value on failure. */ -int ena_com_dev_reset(struct ena_com_dev *ena_dev); +int ena_com_dev_reset(struct ena_com_dev *ena_dev, + enum ena_regs_reset_reason_types reset_reason); /* ena_com_create_io_queue - Create io queue. * @ena_dev: ENA communication layer struct @@ -939,6 +972,15 @@ void ena_com_get_intr_moderation_entry(struct ena_com_dev *ena_dev, enum ena_intr_moder_level level, struct ena_intr_moder_entry *entry); + +/* ena_com_config_dev_mode - Configure the placement policy of the device. + * @ena_dev: ENA communication layer struct + * @llq: LLQ feature descriptor, retrieve via ena_com_get_dev_attr_feat. + * + */ +int ena_com_config_dev_mode(struct ena_com_dev *ena_dev, + struct ena_admin_feature_llq_desc *llq); + static inline bool ena_com_get_adaptive_moderation_enabled(struct ena_com_dev *ena_dev) { return ena_dev->adaptive_coalescing; @@ -1048,6 +1090,30 @@ static inline void ena_com_update_intr_reg(struct ena_eth_io_intr_reg *intr_reg, intr_reg->intr_control |= ENA_ETH_IO_INTR_REG_INTR_UNMASK_MASK; } +static inline u8 *ena_com_get_next_bounce_buffer(struct ena_com_io_bounce_buffer_control *bounce_buf_ctrl) +{ + u16 size, buffers_num; + u8 *buf; + + size = bounce_buf_ctrl->buffer_size; + buffers_num = bounce_buf_ctrl->buffers_num; + + buf = bounce_buf_ctrl->base_buffer + + (bounce_buf_ctrl->next_to_use++ & (buffers_num - 1)) * size; + + prefetch(bounce_buf_ctrl->base_buffer + + (bounce_buf_ctrl->next_to_use & (buffers_num - 1)) * size); + + return buf; +} + +#ifdef ENA_EXTENDED_STATS +int ena_com_get_dev_extended_stats(struct ena_com_dev *ena_dev, char *buff, + u32 len); + +int ena_com_extended_stats_set_func_queue(struct ena_com_dev *ena_dev, + u32 funct_queue); +#endif #if defined(__cplusplus) } #endif /* __cplusplus */ |