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sys/dev/ice/ice_sriov.c
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/* SPDX-License-Identifier: BSD-3-Clause */ | |||||
/* Copyright (c) 2020, Intel Corporation | |||||
* All rights reserved. | |||||
* | |||||
* Redistribution and use in source and binary forms, with or without | |||||
* modification, are permitted provided that the following conditions are met: | |||||
* | |||||
* 1. Redistributions of source code must retain the above copyright notice, | |||||
* this list of conditions and the following disclaimer. | |||||
* | |||||
* 2. Redistributions in binary form must reproduce the above copyright | |||||
* notice, this list of conditions and the following disclaimer in the | |||||
* documentation and/or other materials provided with the distribution. | |||||
* | |||||
* 3. Neither the name of the Intel Corporation nor the names of its | |||||
* contributors may be used to endorse or promote products derived from | |||||
* this software without specific prior written permission. | |||||
* | |||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |||||
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | |||||
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |||||
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |||||
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |||||
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |||||
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |||||
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |||||
* POSSIBILITY OF SUCH DAMAGE. | |||||
*/ | |||||
/*$FreeBSD$*/ | |||||
#include "ice_common.h" | |||||
#include "ice_adminq_cmd.h" | |||||
#include "ice_sriov.h" | |||||
/** | |||||
* ice_aq_send_msg_to_vf | |||||
* @hw: pointer to the hardware structure | |||||
* @vfid: VF ID to send msg | |||||
* @v_opcode: opcodes for VF-PF communication | |||||
* @v_retval: return error code | |||||
* @msg: pointer to the msg buffer | |||||
* @msglen: msg length | |||||
* @cd: pointer to command details | |||||
* | |||||
* Send message to VF driver (0x0802) using mailbox | |||||
* queue and asynchronously sending message via | |||||
* ice_sq_send_cmd() function | |||||
*/ | |||||
enum ice_status | |||||
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) | |||||
{ | |||||
struct ice_aqc_pf_vf_msg *cmd; | |||||
struct ice_aq_desc desc; | |||||
ice_fill_dflt_direct_cmd_desc(&desc, ice_mbx_opc_send_msg_to_vf); | |||||
cmd = &desc.params.virt; | |||||
cmd->id = CPU_TO_LE32(vfid); | |||||
desc.cookie_high = CPU_TO_LE32(v_opcode); | |||||
desc.cookie_low = CPU_TO_LE32(v_retval); | |||||
if (msglen) | |||||
desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD); | |||||
return ice_sq_send_cmd(hw, &hw->mailboxq, &desc, msg, msglen, cd); | |||||
} | |||||
/** | |||||
* ice_aq_send_msg_to_pf | |||||
* @hw: pointer to the hardware structure | |||||
* @v_opcode: opcodes for VF-PF communication | |||||
* @v_retval: return error code | |||||
* @msg: pointer to the msg buffer | |||||
* @msglen: msg length | |||||
* @cd: pointer to command details | |||||
* | |||||
* Send message to PF driver using mailbox queue. By default, this | |||||
* message is sent asynchronously, i.e. ice_sq_send_cmd() | |||||
* does not wait for completion before returning. | |||||
*/ | |||||
enum ice_status | |||||
ice_aq_send_msg_to_pf(struct ice_hw *hw, enum virtchnl_ops v_opcode, | |||||
enum ice_status v_retval, u8 *msg, u16 msglen, | |||||
struct ice_sq_cd *cd) | |||||
{ | |||||
struct ice_aq_desc desc; | |||||
ice_fill_dflt_direct_cmd_desc(&desc, ice_mbx_opc_send_msg_to_pf); | |||||
desc.cookie_high = CPU_TO_LE32(v_opcode); | |||||
desc.cookie_low = CPU_TO_LE32(v_retval); | |||||
if (msglen) | |||||
desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD); | |||||
return ice_sq_send_cmd(hw, &hw->mailboxq, &desc, msg, msglen, cd); | |||||
} | |||||
/** | |||||
* ice_conv_link_speed_to_virtchnl | |||||
* @adv_link_support: determines the format of the returned link speed | |||||
* @link_speed: variable containing the link_speed to be converted | |||||
* | |||||
* Convert link speed supported by HW to link speed supported by virtchnl. | |||||
* If adv_link_support is true, then return link speed in Mbps. Else return | |||||
* link speed as a VIRTCHNL_LINK_SPEED_* casted to a u32. Note that the caller | |||||
* needs to cast back to an enum virtchnl_link_speed in the case where | |||||
* adv_link_support is false, but when adv_link_support is true the caller can | |||||
* expect the speed in Mbps. | |||||
*/ | |||||
u32 ice_conv_link_speed_to_virtchnl(bool adv_link_support, u16 link_speed) | |||||
{ | |||||
u32 speed; | |||||
if (adv_link_support) | |||||
switch (link_speed) { | |||||
case ICE_AQ_LINK_SPEED_10MB: | |||||
speed = ICE_LINK_SPEED_10MBPS; | |||||
break; | |||||
case ICE_AQ_LINK_SPEED_100MB: | |||||
speed = ICE_LINK_SPEED_100MBPS; | |||||
break; | |||||
case ICE_AQ_LINK_SPEED_1000MB: | |||||
speed = ICE_LINK_SPEED_1000MBPS; | |||||
break; | |||||
case ICE_AQ_LINK_SPEED_2500MB: | |||||
speed = ICE_LINK_SPEED_2500MBPS; | |||||
break; | |||||
case ICE_AQ_LINK_SPEED_5GB: | |||||
speed = ICE_LINK_SPEED_5000MBPS; | |||||
break; | |||||
case ICE_AQ_LINK_SPEED_10GB: | |||||
speed = ICE_LINK_SPEED_10000MBPS; | |||||
break; | |||||
case ICE_AQ_LINK_SPEED_20GB: | |||||
speed = ICE_LINK_SPEED_20000MBPS; | |||||
break; | |||||
case ICE_AQ_LINK_SPEED_25GB: | |||||
speed = ICE_LINK_SPEED_25000MBPS; | |||||
break; | |||||
case ICE_AQ_LINK_SPEED_40GB: | |||||
speed = ICE_LINK_SPEED_40000MBPS; | |||||
break; | |||||
case ICE_AQ_LINK_SPEED_50GB: | |||||
speed = ICE_LINK_SPEED_50000MBPS; | |||||
break; | |||||
case ICE_AQ_LINK_SPEED_100GB: | |||||
speed = ICE_LINK_SPEED_100000MBPS; | |||||
break; | |||||
default: | |||||
speed = ICE_LINK_SPEED_UNKNOWN; | |||||
break; | |||||
} | |||||
else | |||||
/* Virtchnl speeds are not defined for every speed supported in | |||||
* the hardware. To maintain compatibility with older AVF | |||||
* drivers, while reporting the speed the new speed values are | |||||
* resolved to the closest known virtchnl speeds | |||||
*/ | |||||
switch (link_speed) { | |||||
case ICE_AQ_LINK_SPEED_10MB: | |||||
case ICE_AQ_LINK_SPEED_100MB: | |||||
speed = (u32)VIRTCHNL_LINK_SPEED_100MB; | |||||
break; | |||||
case ICE_AQ_LINK_SPEED_1000MB: | |||||
case ICE_AQ_LINK_SPEED_2500MB: | |||||
case ICE_AQ_LINK_SPEED_5GB: | |||||
speed = (u32)VIRTCHNL_LINK_SPEED_1GB; | |||||
break; | |||||
case ICE_AQ_LINK_SPEED_10GB: | |||||
speed = (u32)VIRTCHNL_LINK_SPEED_10GB; | |||||
break; | |||||
case ICE_AQ_LINK_SPEED_20GB: | |||||
speed = (u32)VIRTCHNL_LINK_SPEED_20GB; | |||||
break; | |||||
case ICE_AQ_LINK_SPEED_25GB: | |||||
speed = (u32)VIRTCHNL_LINK_SPEED_25GB; | |||||
break; | |||||
case ICE_AQ_LINK_SPEED_40GB: | |||||
case ICE_AQ_LINK_SPEED_50GB: | |||||
case ICE_AQ_LINK_SPEED_100GB: | |||||
speed = (u32)VIRTCHNL_LINK_SPEED_40GB; | |||||
break; | |||||
default: | |||||
speed = (u32)VIRTCHNL_LINK_SPEED_UNKNOWN; | |||||
break; | |||||
} | |||||
return speed; | |||||
} |