+/**
+ * ixgbe_write_iosf_sb_reg_x550a - Writes a value to specified register
+ * of the IOSF device
+ * @hw: pointer to hardware structure
+ * @reg_addr: 32 bit PHY register to write
+ * @device_type: 3 bit device type
+ * @data: Data to write to the register
+ **/
+s32 ixgbe_write_iosf_sb_reg_x550a(struct ixgbe_hw *hw, u32 reg_addr,
+ u32 device_type, u32 data)
+{
+ struct ixgbe_hic_internal_phy_req write_cmd;
+ s32 status;
+ UNREFERENCED_1PARAMETER(device_type);
+
+ write_cmd.hdr.cmd = FW_INT_PHY_REQ_CMD;
+ write_cmd.hdr.buf_len = FW_INT_PHY_REQ_LEN;
+ write_cmd.port_number = hw->bus.lan_id;
+ write_cmd.command_type = FW_INT_PHY_REQ_WRITE;
+ write_cmd.address = (u16)reg_addr;
+ write_cmd.rsv1 = 0;
+ write_cmd.write_data = data;
+ write_cmd.pad = 0;
+
+ status = ixgbe_host_interface_command(hw, (u32 *)&write_cmd,
+ sizeof(write_cmd), IXGBE_HI_COMMAND_TIMEOUT, false);
+
+ return status;
+}
+
+/**
+ * ixgbe_read_iosf_sb_reg_x550a - Writes a value to specified register
+ * of the IOSF device.
+ * @hw: pointer to hardware structure
+ * @reg_addr: 32 bit PHY register to write
+ * @device_type: 3 bit device type
+ * @data: Pointer to read data from the register
+ **/
+s32 ixgbe_read_iosf_sb_reg_x550a(struct ixgbe_hw *hw, u32 reg_addr,
+ u32 device_type, u32 *data)
+{
+ struct ixgbe_hic_internal_phy_req read_cmd;
+ s32 status;
+ UNREFERENCED_1PARAMETER(device_type);
+
+ read_cmd.hdr.cmd = FW_INT_PHY_REQ_CMD;
+ read_cmd.hdr.buf_len = FW_INT_PHY_REQ_LEN;
+ read_cmd.port_number = hw->bus.lan_id;
+ read_cmd.command_type = FW_INT_PHY_REQ_READ;
+ read_cmd.address = (u16)reg_addr;
+ read_cmd.rsv1 = 0;
+ read_cmd.write_data = 0;
+ read_cmd.pad = 0;
+
+ status = ixgbe_host_interface_command(hw, (u32 *)&read_cmd,
+ sizeof(read_cmd), IXGBE_HI_COMMAND_TIMEOUT, true);
+
+ /* Extract the register value from the response. */
+ *data = ((struct ixgbe_hic_internal_phy_resp *)&read_cmd)->read_data;
+
+ return status;