sys/dev/ice/ice_vf_mbx.h

root/sys/dev/ice/ice_vf_mbx.h
/* SPDX-License-Identifier: BSD-3-Clause */
/*  Copyright (c) 2025, Intel Corporation
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 *
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 *  modification, are permitted provided that the following conditions are met:
 *
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 *   2. Redistributions in binary form must reproduce the above copyright
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 *      contributors may be used to endorse or promote products derived from
 *      this software without specific prior written permission.
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 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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 *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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#ifndef _ICE_VF_MBX_H_
#define _ICE_VF_MBX_H_

#include "ice_type.h"
#include "ice_controlq.h"

/* Defining the mailbox message threshold as 63 asynchronous
 * pending messages. Normal VF functionality does not require
 * sending more than 63 asynchronous pending message.
 */

 /* Threshold value should be used to initialize
  * MBX_VF_IN_FLIGHT_MSGS_AT_PF_CNT register.
  */
#define ICE_ASYNC_VF_MSG_THRESHOLD      63

int
ice_aq_send_msg_to_pf(struct ice_hw *hw, enum virtchnl_ops v_opcode,
                      int v_retval, u8 *msg, u16 msglen,
                      struct ice_sq_cd *cd);
int
ice_aq_send_msg_to_vf(struct ice_hw *hw, u16 vfid, u32 v_opcode, u32 v_retval,
                      u8 *msg, u16 msglen, struct ice_sq_cd *cd);

u32 ice_conv_link_speed_to_virtchnl(bool adv_link_support, u16 link_speed);

void ice_e830_mbx_vf_dec_trig(struct ice_hw *hw,
                              struct ice_rq_event_info *event);
void ice_mbx_vf_clear_cnt_e830(struct ice_hw *hw, u16 vf_id);
int
ice_mbx_vf_state_handler(struct ice_hw *hw, struct ice_mbx_data *mbx_data,
                         struct ice_mbx_vf_info *vf_info, bool *report_malvf);
void ice_mbx_clear_malvf(struct ice_mbx_vf_info *vf_info);
void ice_mbx_init_vf_info(struct ice_hw *hw, struct ice_mbx_vf_info *vf_info);
void ice_mbx_init_snapshot(struct ice_hw *hw);
#endif /* _ICE_VF_MBX_H_ */
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