Introduce the necessary definitions and functions for the GVE_ADMINQ_REPORT_NIC_TIMESTAMP AdminQ command.
Signed-off-by: Mark Blasko <[email protected]> Reviewed-by: Joshua Washington <[email protected]> Reviewed-by: Jasper Tran O'Leary <[email protected]> --- drivers/net/gve/base/gve_adminq.c | 18 ++++++++++++++++++ drivers/net/gve/base/gve_adminq.h | 20 ++++++++++++++++++++ drivers/net/gve/gve_ethdev.h | 1 + 3 files changed, 39 insertions(+) diff --git a/drivers/net/gve/base/gve_adminq.c b/drivers/net/gve/base/gve_adminq.c index c9095fd165..e700262d7f 100644 --- a/drivers/net/gve/base/gve_adminq.c +++ b/drivers/net/gve/base/gve_adminq.c @@ -523,6 +523,10 @@ static int gve_adminq_issue_cmd(struct gve_priv *priv, case GVE_ADMINQ_CONFIGURE_FLOW_RULE: priv->adminq_cfg_flow_rule_cnt++; break; + case GVE_ADMINQ_REPORT_NIC_TIMESTAMP: + priv->adminq_report_nic_timestamp_cnt++; + break; + default: PMD_DRV_LOG(ERR, "unknown AQ command opcode %d", opcode); } @@ -637,6 +641,20 @@ int gve_adminq_reset_flow_rules(struct gve_priv *priv) return gve_adminq_configure_flow_rule(priv, &flow_rule_cmd); } +int gve_adminq_report_nic_timestamp(struct gve_priv *priv, dma_addr_t nic_ts_report_addr) +{ + union gve_adminq_command cmd; + + memset(&cmd, 0, sizeof(cmd)); + cmd.opcode = cpu_to_be32(GVE_ADMINQ_REPORT_NIC_TIMESTAMP); + cmd.report_nic_timestamp = (struct gve_adminq_report_nic_timestamp) { + .nic_ts_report_len = cpu_to_be64(sizeof(struct gve_nic_ts_report)), + .nic_timestamp_addr = cpu_to_be64(nic_ts_report_addr), + }; + + return gve_adminq_execute_cmd(priv, &cmd); +} + /* The device specifies that the management vector can either be the first irq * or the last irq. ntfy_blk_msix_base_idx indicates the first irq assigned to * the ntfy blks. It if is 0 then the management vector is last, if it is 1 then diff --git a/drivers/net/gve/base/gve_adminq.h b/drivers/net/gve/base/gve_adminq.h index eaee5649f2..954be39fbf 100644 --- a/drivers/net/gve/base/gve_adminq.h +++ b/drivers/net/gve/base/gve_adminq.h @@ -26,6 +26,7 @@ enum gve_adminq_opcodes { GVE_ADMINQ_REPORT_LINK_SPEED = 0xD, GVE_ADMINQ_GET_PTYPE_MAP = 0xE, GVE_ADMINQ_VERIFY_DRIVER_COMPATIBILITY = 0xF, + GVE_ADMINQ_REPORT_NIC_TIMESTAMP = 0x11, /* For commands that are larger than 56 bytes */ GVE_ADMINQ_EXTENDED_COMMAND = 0xFF, }; @@ -373,6 +374,23 @@ struct gve_stats_report { GVE_CHECK_STRUCT_LEN(8, gve_stats_report); +struct gve_adminq_report_nic_timestamp { + __be64 nic_ts_report_len; + __be64 nic_timestamp_addr; +}; + +GVE_CHECK_STRUCT_LEN(16, gve_adminq_report_nic_timestamp); + +struct gve_nic_ts_report { + __be64 nic_timestamp; /* NIC clock in nanoseconds */ + __be64 pre_cycles; /* System cycle counter before NIC clock read */ + __be64 post_cycles; /* System cycle counter after NIC clock read */ + __be64 reserved3; + __be64 reserved4; +}; + +GVE_CHECK_STRUCT_LEN(40, gve_nic_ts_report); + /* Numbers of gve tx/rx stats in stats report. */ #define GVE_TX_STATS_REPORT_NUM 6 #define GVE_RX_STATS_REPORT_NUM 2 @@ -490,6 +508,7 @@ union gve_adminq_command { struct gve_adminq_verify_driver_compatibility verify_driver_compatibility; struct gve_adminq_extended_command extended_command; + struct gve_adminq_report_nic_timestamp report_nic_timestamp; }; }; u8 reserved[64]; @@ -537,5 +556,6 @@ int gve_adminq_add_flow_rule(struct gve_priv *priv, struct gve_flow_rule_params *rule, u32 loc); int gve_adminq_del_flow_rule(struct gve_priv *priv, u32 loc); int gve_adminq_reset_flow_rules(struct gve_priv *priv); +int gve_adminq_report_nic_timestamp(struct gve_priv *priv, dma_addr_t nic_ts_report_addr); #endif /* _GVE_ADMINQ_H */ diff --git a/drivers/net/gve/gve_ethdev.h b/drivers/net/gve/gve_ethdev.h index b9b4688367..b67f82c263 100644 --- a/drivers/net/gve/gve_ethdev.h +++ b/drivers/net/gve/gve_ethdev.h @@ -328,6 +328,7 @@ struct gve_priv { uint32_t adminq_get_ptype_map_cnt; uint32_t adminq_verify_driver_compatibility_cnt; uint32_t adminq_cfg_flow_rule_cnt; + uint32_t adminq_report_nic_timestamp_cnt; volatile uint32_t state_flags; /* Gvnic device link speed from hypervisor. */ -- 2.54.0.563.g4f69b47b94-goog
