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path: root/drivers/net/ethernet/intel/i40evf/i40e_common.c
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Diffstat (limited to 'drivers/net/ethernet/intel/i40evf/i40e_common.c')
-rw-r--r--drivers/net/ethernet/intel/i40evf/i40e_common.c69
1 files changed, 69 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/i40evf/i40e_common.c b/drivers/net/ethernet/intel/i40evf/i40e_common.c
index 8d3a2bfe186a..7d70bf69b249 100644
--- a/drivers/net/ethernet/intel/i40evf/i40e_common.c
+++ b/drivers/net/ethernet/intel/i40evf/i40e_common.c
@@ -1042,6 +1042,75 @@ do_retry:
}
/**
+ * i40evf_aq_set_phy_register
+ * @hw: pointer to the hw struct
+ * @phy_select: select which phy should be accessed
+ * @dev_addr: PHY device address
+ * @reg_addr: PHY register address
+ * @reg_val: new register value
+ * @cmd_details: pointer to command details structure or NULL
+ *
+ * Reset the external PHY.
+ **/
+i40e_status i40evf_aq_set_phy_register(struct i40e_hw *hw,
+ u8 phy_select, u8 dev_addr,
+ u32 reg_addr, u32 reg_val,
+ struct i40e_asq_cmd_details *cmd_details)
+{
+ struct i40e_aq_desc desc;
+ struct i40e_aqc_phy_register_access *cmd =
+ (struct i40e_aqc_phy_register_access *)&desc.params.raw;
+ i40e_status status;
+
+ i40evf_fill_default_direct_cmd_desc(&desc,
+ i40e_aqc_opc_set_phy_register);
+
+ cmd->phy_interface = phy_select;
+ cmd->dev_address = dev_addr;
+ cmd->reg_address = cpu_to_le32(reg_addr);
+ cmd->reg_value = cpu_to_le32(reg_val);
+
+ status = i40evf_asq_send_command(hw, &desc, NULL, 0, cmd_details);
+
+ return status;
+}
+
+/**
+ * i40evf_aq_get_phy_register
+ * @hw: pointer to the hw struct
+ * @phy_select: select which phy should be accessed
+ * @dev_addr: PHY device address
+ * @reg_addr: PHY register address
+ * @reg_val: read register value
+ * @cmd_details: pointer to command details structure or NULL
+ *
+ * Reset the external PHY.
+ **/
+i40e_status i40evf_aq_get_phy_register(struct i40e_hw *hw,
+ u8 phy_select, u8 dev_addr,
+ u32 reg_addr, u32 *reg_val,
+ struct i40e_asq_cmd_details *cmd_details)
+{
+ struct i40e_aq_desc desc;
+ struct i40e_aqc_phy_register_access *cmd =
+ (struct i40e_aqc_phy_register_access *)&desc.params.raw;
+ i40e_status status;
+
+ i40evf_fill_default_direct_cmd_desc(&desc,
+ i40e_aqc_opc_get_phy_register);
+
+ cmd->phy_interface = phy_select;
+ cmd->dev_address = dev_addr;
+ cmd->reg_address = cpu_to_le32(reg_addr);
+
+ status = i40evf_asq_send_command(hw, &desc, NULL, 0, cmd_details);
+ if (!status)
+ *reg_val = le32_to_cpu(cmd->reg_value);
+
+ return status;
+}
+
+/**
* i40e_aq_send_msg_to_pf
* @hw: pointer to the hardware structure
* @v_opcode: opcodes for VF-PF communication