diff options
Diffstat (limited to 'drivers/net/ethernet/amazon/ena/ena_com.h')
| -rw-r--r-- | drivers/net/ethernet/amazon/ena/ena_com.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/drivers/net/ethernet/amazon/ena/ena_com.h b/drivers/net/ethernet/amazon/ena/ena_com.h index 924f03f5a6c7..a372c5e768a7 100644 --- a/drivers/net/ethernet/amazon/ena/ena_com.h +++ b/drivers/net/ethernet/amazon/ena/ena_com.h @@ -42,6 +42,8 @@ #define ADMIN_CQ_SIZE(depth) ((depth) * sizeof(struct ena_admin_acq_entry)) #define ADMIN_AENQ_SIZE(depth) ((depth) * sizeof(struct ena_admin_aenq_entry)) +#define ENA_CUSTOMER_METRICS_BUFFER_SIZE 512 + /*****************************************************************************/ /*****************************************************************************/ /* ENA adaptive interrupt moderation settings */ @@ -278,6 +280,16 @@ struct ena_rss { }; +struct ena_customer_metrics { + /* in correlation with ENA_ADMIN_CUSTOMER_METRICS_SUPPORT_MASK + * and ena_admin_customer_metrics_id + */ + u64 supported_metrics; + dma_addr_t buffer_dma_addr; + void *buffer_virt_addr; + u32 buffer_len; +}; + struct ena_host_attribute { /* Debug area */ u8 *debug_area_virt_addr; @@ -327,6 +339,8 @@ struct ena_com_dev { struct ena_intr_moder_entry *intr_moder_tbl; struct ena_com_llq_info llq_info; + + struct ena_customer_metrics customer_metrics; }; struct ena_com_dev_get_features_ctx { @@ -595,6 +609,24 @@ int ena_com_get_dev_basic_stats(struct ena_com_dev *ena_dev, int ena_com_get_eni_stats(struct ena_com_dev *ena_dev, struct ena_admin_eni_stats *stats); +/* ena_com_get_ena_srd_info - Get ENA SRD network interface statistics + * @ena_dev: ENA communication layer struct + * @info: ena srd stats and flags + * + * @return: 0 on Success and negative value otherwise. + */ +int ena_com_get_ena_srd_info(struct ena_com_dev *ena_dev, + struct ena_admin_ena_srd_info *info); + +/* ena_com_get_customer_metrics - Get customer metrics for network interface + * @ena_dev: ENA communication layer struct + * @buffer: buffer for returned customer metrics + * @len: size of the buffer + * + * @return: 0 on Success and negative value otherwise. + */ +int ena_com_get_customer_metrics(struct ena_com_dev *ena_dev, char *buffer, u32 len); + /* ena_com_set_dev_mtu - Configure the device mtu. * @ena_dev: ENA communication layer struct * @mtu: mtu value @@ -805,6 +837,13 @@ int ena_com_allocate_host_info(struct ena_com_dev *ena_dev); int ena_com_allocate_debug_area(struct ena_com_dev *ena_dev, u32 debug_area_size); +/* ena_com_allocate_customer_metrics_buffer - Allocate customer metrics resources. + * @ena_dev: ENA communication layer struct + * + * @return: 0 on Success and negative value otherwise. + */ +int ena_com_allocate_customer_metrics_buffer(struct ena_com_dev *ena_dev); + /* ena_com_delete_debug_area - Free the debug area resources. * @ena_dev: ENA communication layer struct * @@ -819,6 +858,13 @@ void ena_com_delete_debug_area(struct ena_com_dev *ena_dev); */ void ena_com_delete_host_info(struct ena_com_dev *ena_dev); +/* ena_com_delete_customer_metrics_buffer - Free the customer metrics resources. + * @ena_dev: ENA communication layer struct + * + * Free the allocated customer metrics area. + */ +void ena_com_delete_customer_metrics_buffer(struct ena_com_dev *ena_dev); + /* ena_com_set_host_attributes - Update the device with the host * attributes (debug area and host info) base address. * @ena_dev: ENA communication layer struct @@ -975,6 +1021,28 @@ static inline bool ena_com_get_cap(struct ena_com_dev *ena_dev, return !!(ena_dev->capabilities & BIT(cap_id)); } +/* ena_com_get_customer_metric_support - query whether device supports a given customer metric. + * @ena_dev: ENA communication layer struct + * @metric_id: enum value representing the customer metric + * + * @return - true if customer metric is supported or false otherwise + */ +static inline bool ena_com_get_customer_metric_support(struct ena_com_dev *ena_dev, + enum ena_admin_customer_metrics_id metric_id) +{ + return !!(ena_dev->customer_metrics.supported_metrics & BIT(metric_id)); +} + +/* ena_com_get_customer_metric_count - return the number of supported customer metrics. + * @ena_dev: ENA communication layer struct + * + * @return - the number of supported customer metrics + */ +static inline int ena_com_get_customer_metric_count(struct ena_com_dev *ena_dev) +{ + return hweight64(ena_dev->customer_metrics.supported_metrics); +} + /* ena_com_update_intr_reg - Prepare interrupt register * @intr_reg: interrupt register to update. * @rx_delay_interval: Rx interval in usecs |