1 /* SPDX-License-Identifier: BSD-3-Clause */ 2 /* Copyright (c) 2025, Intel Corporation 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * 3. Neither the name of the Intel Corporation nor the names of its 16 * contributors may be used to endorse or promote products derived from 17 * this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 23 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef _ICE_VF_MBX_H_ 33 #define _ICE_VF_MBX_H_ 34 35 #include "ice_type.h" 36 #include "ice_controlq.h" 37 38 /* Defining the mailbox message threshold as 63 asynchronous 39 * pending messages. Normal VF functionality does not require 40 * sending more than 63 asynchronous pending message. 41 */ 42 43 /* Threshold value should be used to initialize 44 * MBX_VF_IN_FLIGHT_MSGS_AT_PF_CNT register. 45 */ 46 #define ICE_ASYNC_VF_MSG_THRESHOLD 63 47 48 int 49 ice_aq_send_msg_to_pf(struct ice_hw *hw, enum virtchnl_ops v_opcode, 50 int v_retval, u8 *msg, u16 msglen, 51 struct ice_sq_cd *cd); 52 int 53 ice_aq_send_msg_to_vf(struct ice_hw *hw, u16 vfid, u32 v_opcode, u32 v_retval, 54 u8 *msg, u16 msglen, struct ice_sq_cd *cd); 55 56 u32 ice_conv_link_speed_to_virtchnl(bool adv_link_support, u16 link_speed); 57 58 void ice_e830_mbx_vf_dec_trig(struct ice_hw *hw, 59 struct ice_rq_event_info *event); 60 void ice_mbx_vf_clear_cnt_e830(struct ice_hw *hw, u16 vf_id); 61 int 62 ice_mbx_vf_state_handler(struct ice_hw *hw, struct ice_mbx_data *mbx_data, 63 struct ice_mbx_vf_info *vf_info, bool *report_malvf); 64 void ice_mbx_clear_malvf(struct ice_mbx_vf_info *vf_info); 65 void ice_mbx_init_vf_info(struct ice_hw *hw, struct ice_mbx_vf_info *vf_info); 66 void ice_mbx_init_snapshot(struct ice_hw *hw); 67 #endif /* _ICE_VF_MBX_H_ */ 68