-/*******************************************************************************
-
-Copyright (c) 2001-2014, 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.
-
-***************************************************************************/
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2001-2020 Intel Corporation
+ */
#include "ixgbe_type.h"
#include "ixgbe_mbx.h"
/**
- * ixgbe_read_mbx - Reads a message from the mailbox
- * @hw: pointer to the HW structure
- * @msg: The message buffer
- * @size: Length of buffer
- * @mbx_id: id of mailbox to read
+ * ixgbe_read_mbx - Reads a message from the mailbox
+ * @hw: pointer to the HW structure
+ * @msg: The message buffer
+ * @size: Length of buffer
+ * @mbx_id: id of mailbox to read
*
- * returns SUCCESS if it successfully read message from buffer
+ * returns SUCCESS if it successfully read message from buffer
**/
s32 ixgbe_read_mbx(struct ixgbe_hw *hw, u32 *msg, u16 size, u16 mbx_id)
{
}
/**
- * ixgbe_write_mbx - Write a message to the mailbox
- * @hw: pointer to the HW structure
- * @msg: The message buffer
- * @size: Length of buffer
- * @mbx_id: id of mailbox to write
+ * ixgbe_write_mbx - Write a message to the mailbox
+ * @hw: pointer to the HW structure
+ * @msg: The message buffer
+ * @size: Length of buffer
+ * @mbx_id: id of mailbox to write
*
- * returns SUCCESS if it successfully copied message into the buffer
+ * returns SUCCESS if it successfully copied message into the buffer
**/
s32 ixgbe_write_mbx(struct ixgbe_hw *hw, u32 *msg, u16 size, u16 mbx_id)
{
}
/**
- * ixgbe_check_for_msg - checks to see if someone sent us mail
- * @hw: pointer to the HW structure
- * @mbx_id: id of mailbox to check
+ * ixgbe_check_for_msg - checks to see if someone sent us mail
+ * @hw: pointer to the HW structure
+ * @mbx_id: id of mailbox to check
*
- * returns SUCCESS if the Status bit was found or else ERR_MBX
+ * returns SUCCESS if the Status bit was found or else ERR_MBX
**/
s32 ixgbe_check_for_msg(struct ixgbe_hw *hw, u16 mbx_id)
{
}
/**
- * ixgbe_check_for_ack - checks to see if someone sent us ACK
- * @hw: pointer to the HW structure
- * @mbx_id: id of mailbox to check
+ * ixgbe_check_for_ack - checks to see if someone sent us ACK
+ * @hw: pointer to the HW structure
+ * @mbx_id: id of mailbox to check
*
- * returns SUCCESS if the Status bit was found or else ERR_MBX
+ * returns SUCCESS if the Status bit was found or else ERR_MBX
**/
s32 ixgbe_check_for_ack(struct ixgbe_hw *hw, u16 mbx_id)
{
}
/**
- * ixgbe_check_for_rst - checks to see if other side has reset
- * @hw: pointer to the HW structure
- * @mbx_id: id of mailbox to check
+ * ixgbe_check_for_rst - checks to see if other side has reset
+ * @hw: pointer to the HW structure
+ * @mbx_id: id of mailbox to check
*
- * returns SUCCESS if the Status bit was found or else ERR_MBX
+ * returns SUCCESS if the Status bit was found or else ERR_MBX
**/
s32 ixgbe_check_for_rst(struct ixgbe_hw *hw, u16 mbx_id)
{
}
/**
- * ixgbe_poll_for_msg - Wait for message notification
- * @hw: pointer to the HW structure
- * @mbx_id: id of mailbox to write
+ * ixgbe_poll_for_msg - Wait for message notification
+ * @hw: pointer to the HW structure
+ * @mbx_id: id of mailbox to write
*
- * returns SUCCESS if it successfully received a message notification
+ * returns SUCCESS if it successfully received a message notification
**/
STATIC s32 ixgbe_poll_for_msg(struct ixgbe_hw *hw, u16 mbx_id)
{
}
/**
- * ixgbe_poll_for_ack - Wait for message acknowledgement
- * @hw: pointer to the HW structure
- * @mbx_id: id of mailbox to write
+ * ixgbe_poll_for_ack - Wait for message acknowledgment
+ * @hw: pointer to the HW structure
+ * @mbx_id: id of mailbox to write
*
- * returns SUCCESS if it successfully received a message acknowledgement
+ * returns SUCCESS if it successfully received a message acknowledgment
**/
STATIC s32 ixgbe_poll_for_ack(struct ixgbe_hw *hw, u16 mbx_id)
{
}
/**
- * ixgbe_read_posted_mbx - Wait for message notification and receive message
- * @hw: pointer to the HW structure
- * @msg: The message buffer
- * @size: Length of buffer
- * @mbx_id: id of mailbox to write
+ * ixgbe_read_posted_mbx - Wait for message notification and receive message
+ * @hw: pointer to the HW structure
+ * @msg: The message buffer
+ * @size: Length of buffer
+ * @mbx_id: id of mailbox to write
*
- * returns SUCCESS if it successfully received a message notification and
- * copied it into the receive buffer.
+ * returns SUCCESS if it successfully received a message notification and
+ * copied it into the receive buffer.
**/
s32 ixgbe_read_posted_mbx(struct ixgbe_hw *hw, u32 *msg, u16 size, u16 mbx_id)
{
}
/**
- * ixgbe_write_posted_mbx - Write a message to the mailbox, wait for ack
- * @hw: pointer to the HW structure
- * @msg: The message buffer
- * @size: Length of buffer
- * @mbx_id: id of mailbox to write
+ * ixgbe_write_posted_mbx - Write a message to the mailbox, wait for ack
+ * @hw: pointer to the HW structure
+ * @msg: The message buffer
+ * @size: Length of buffer
+ * @mbx_id: id of mailbox to write
*
- * returns SUCCESS if it successfully copied message into the buffer and
- * received an ack to that message within delay * timeout period
+ * returns SUCCESS if it successfully copied message into the buffer and
+ * received an ack to that message within delay * timeout period
**/
s32 ixgbe_write_posted_mbx(struct ixgbe_hw *hw, u32 *msg, u16 size,
u16 mbx_id)
}
/**
- * ixgbe_init_mbx_ops_generic - Initialize MB function pointers
- * @hw: pointer to the HW structure
+ * ixgbe_init_mbx_ops_generic - Initialize MB function pointers
+ * @hw: pointer to the HW structure
*
- * Setups up the mailbox read and write message function pointers
+ * Setups up the mailbox read and write message function pointers
**/
void ixgbe_init_mbx_ops_generic(struct ixgbe_hw *hw)
{
}
/**
- * ixgbe_read_v2p_mailbox - read v2p mailbox
- * @hw: pointer to the HW structure
+ * ixgbe_read_v2p_mailbox - read v2p mailbox
+ * @hw: pointer to the HW structure
*
- * This function is used to read the v2p mailbox without losing the read to
- * clear status bits.
+ * This function is used to read the v2p mailbox without losing the read to
+ * clear status bits.
**/
STATIC u32 ixgbe_read_v2p_mailbox(struct ixgbe_hw *hw)
{
}
/**
- * ixgbe_check_for_bit_vf - Determine if a status bit was set
- * @hw: pointer to the HW structure
- * @mask: bitmask for bits to be tested and cleared
+ * ixgbe_check_for_bit_vf - Determine if a status bit was set
+ * @hw: pointer to the HW structure
+ * @mask: bitmask for bits to be tested and cleared
*
- * This function is used to check for the read to clear bits within
- * the V2P mailbox.
+ * This function is used to check for the read to clear bits within
+ * the V2P mailbox.
**/
STATIC s32 ixgbe_check_for_bit_vf(struct ixgbe_hw *hw, u32 mask)
{
}
/**
- * ixgbe_check_for_msg_vf - checks to see if the PF has sent mail
- * @hw: pointer to the HW structure
- * @mbx_id: id of mailbox to check
+ * ixgbe_check_for_msg_vf - checks to see if the PF has sent mail
+ * @hw: pointer to the HW structure
+ * @mbx_id: id of mailbox to check
*
- * returns SUCCESS if the PF has set the Status bit or else ERR_MBX
+ * returns SUCCESS if the PF has set the Status bit or else ERR_MBX
**/
STATIC s32 ixgbe_check_for_msg_vf(struct ixgbe_hw *hw, u16 mbx_id)
{
}
/**
- * ixgbe_check_for_ack_vf - checks to see if the PF has ACK'd
- * @hw: pointer to the HW structure
- * @mbx_id: id of mailbox to check
+ * ixgbe_check_for_ack_vf - checks to see if the PF has ACK'd
+ * @hw: pointer to the HW structure
+ * @mbx_id: id of mailbox to check
*
- * returns SUCCESS if the PF has set the ACK bit or else ERR_MBX
+ * returns SUCCESS if the PF has set the ACK bit or else ERR_MBX
**/
STATIC s32 ixgbe_check_for_ack_vf(struct ixgbe_hw *hw, u16 mbx_id)
{
}
/**
- * ixgbe_check_for_rst_vf - checks to see if the PF has reset
- * @hw: pointer to the HW structure
- * @mbx_id: id of mailbox to check
+ * ixgbe_check_for_rst_vf - checks to see if the PF has reset
+ * @hw: pointer to the HW structure
+ * @mbx_id: id of mailbox to check
*
- * returns true if the PF has set the reset done bit or else false
+ * returns true if the PF has set the reset done bit or else false
**/
STATIC s32 ixgbe_check_for_rst_vf(struct ixgbe_hw *hw, u16 mbx_id)
{
}
/**
- * ixgbe_obtain_mbx_lock_vf - obtain mailbox lock
- * @hw: pointer to the HW structure
+ * ixgbe_obtain_mbx_lock_vf - obtain mailbox lock
+ * @hw: pointer to the HW structure
*
- * return SUCCESS if we obtained the mailbox lock
+ * return SUCCESS if we obtained the mailbox lock
**/
STATIC s32 ixgbe_obtain_mbx_lock_vf(struct ixgbe_hw *hw)
{
}
/**
- * ixgbe_write_mbx_vf - Write a message to the mailbox
- * @hw: pointer to the HW structure
- * @msg: The message buffer
- * @size: Length of buffer
- * @mbx_id: id of mailbox to write
+ * ixgbe_write_mbx_vf - Write a message to the mailbox
+ * @hw: pointer to the HW structure
+ * @msg: The message buffer
+ * @size: Length of buffer
+ * @mbx_id: id of mailbox to write
*
- * returns SUCCESS if it successfully copied message into the buffer
+ * returns SUCCESS if it successfully copied message into the buffer
**/
STATIC s32 ixgbe_write_mbx_vf(struct ixgbe_hw *hw, u32 *msg, u16 size,
u16 mbx_id)
for (i = 0; i < size; i++)
IXGBE_WRITE_REG_ARRAY(hw, IXGBE_VFMBMEM, i, msg[i]);
- /*
- * Complete the remaining mailbox data registers with zero to reset
- * the data sent in a previous exchange (in either side) with the PF,
- * including exchanges performed by another Guest OS to which that VF
- * was previously assigned.
- */
- while (i < hw->mbx.size) {
- IXGBE_WRITE_REG_ARRAY(hw, IXGBE_VFMBMEM, i, 0);
- i++;
- }
-
/* update stats */
hw->mbx.stats.msgs_tx++;
}
/**
- * ixgbe_read_mbx_vf - Reads a message from the inbox intended for vf
- * @hw: pointer to the HW structure
- * @msg: The message buffer
- * @size: Length of buffer
- * @mbx_id: id of mailbox to read
+ * ixgbe_read_mbx_vf - Reads a message from the inbox intended for vf
+ * @hw: pointer to the HW structure
+ * @msg: The message buffer
+ * @size: Length of buffer
+ * @mbx_id: id of mailbox to read
*
- * returns SUCCESS if it successfully read message from buffer
+ * returns SUCCESS if it successfully read message from buffer
**/
STATIC s32 ixgbe_read_mbx_vf(struct ixgbe_hw *hw, u32 *msg, u16 size,
u16 mbx_id)
}
/**
- * ixgbe_init_mbx_params_vf - set initial values for vf mailbox
- * @hw: pointer to the HW structure
+ * ixgbe_init_mbx_params_vf - set initial values for vf mailbox
+ * @hw: pointer to the HW structure
*
- * Initializes the hw->mbx struct to correct values for vf mailbox
+ * Initializes the hw->mbx struct to correct values for vf mailbox
*/
void ixgbe_init_mbx_params_vf(struct ixgbe_hw *hw)
{
}
/**
- * ixgbe_check_for_msg_pf - checks to see if the VF has sent mail
- * @hw: pointer to the HW structure
- * @vf_number: the VF index
+ * ixgbe_check_for_msg_pf - checks to see if the VF has sent mail
+ * @hw: pointer to the HW structure
+ * @vf_number: the VF index
*
- * returns SUCCESS if the VF has set the Status bit or else ERR_MBX
+ * returns SUCCESS if the VF has set the Status bit or else ERR_MBX
**/
STATIC s32 ixgbe_check_for_msg_pf(struct ixgbe_hw *hw, u16 vf_number)
{
}
/**
- * ixgbe_check_for_ack_pf - checks to see if the VF has ACKed
- * @hw: pointer to the HW structure
- * @vf_number: the VF index
+ * ixgbe_check_for_ack_pf - checks to see if the VF has ACKed
+ * @hw: pointer to the HW structure
+ * @vf_number: the VF index
*
- * returns SUCCESS if the VF has set the Status bit or else ERR_MBX
+ * returns SUCCESS if the VF has set the Status bit or else ERR_MBX
**/
STATIC s32 ixgbe_check_for_ack_pf(struct ixgbe_hw *hw, u16 vf_number)
{
}
/**
- * ixgbe_check_for_rst_pf - checks to see if the VF has reset
- * @hw: pointer to the HW structure
- * @vf_number: the VF index
+ * ixgbe_check_for_rst_pf - checks to see if the VF has reset
+ * @hw: pointer to the HW structure
+ * @vf_number: the VF index
*
- * returns SUCCESS if the VF has set the Status bit or else ERR_MBX
+ * returns SUCCESS if the VF has set the Status bit or else ERR_MBX
**/
STATIC s32 ixgbe_check_for_rst_pf(struct ixgbe_hw *hw, u16 vf_number)
{
break;
case ixgbe_mac_X550:
case ixgbe_mac_X550EM_x:
+ case ixgbe_mac_X550EM_a:
case ixgbe_mac_X540:
vflre = IXGBE_READ_REG(hw, IXGBE_VFLREC(reg_offset));
break;
}
/**
- * ixgbe_obtain_mbx_lock_pf - obtain mailbox lock
- * @hw: pointer to the HW structure
- * @vf_number: the VF index
+ * ixgbe_obtain_mbx_lock_pf - obtain mailbox lock
+ * @hw: pointer to the HW structure
+ * @vf_number: the VF index
*
- * return SUCCESS if we obtained the mailbox lock
+ * return SUCCESS if we obtained the mailbox lock
**/
STATIC s32 ixgbe_obtain_mbx_lock_pf(struct ixgbe_hw *hw, u16 vf_number)
{
}
/**
- * ixgbe_write_mbx_pf - Places a message in the mailbox
- * @hw: pointer to the HW structure
- * @msg: The message buffer
- * @size: Length of buffer
- * @vf_number: the VF index
+ * ixgbe_write_mbx_pf - Places a message in the mailbox
+ * @hw: pointer to the HW structure
+ * @msg: The message buffer
+ * @size: Length of buffer
+ * @vf_number: the VF index
*
- * returns SUCCESS if it successfully copied message into the buffer
+ * returns SUCCESS if it successfully copied message into the buffer
**/
STATIC s32 ixgbe_write_mbx_pf(struct ixgbe_hw *hw, u32 *msg, u16 size,
u16 vf_number)
for (i = 0; i < size; i++)
IXGBE_WRITE_REG_ARRAY(hw, IXGBE_PFMBMEM(vf_number), i, msg[i]);
- /*
- * Complete the remaining mailbox data registers with zero to reset
- * the data sent in a previous exchange (in either side) with the VF,
- * including exchanges performed by another Guest OS to which that VF
- * was previously assigned.
- */
- while (i < hw->mbx.size) {
- IXGBE_WRITE_REG_ARRAY(hw, IXGBE_PFMBMEM(vf_number), i, 0);
- i++;
- }
-
/* Interrupt VF to tell it a message has been sent and release buffer*/
IXGBE_WRITE_REG(hw, IXGBE_PFMAILBOX(vf_number), IXGBE_PFMAILBOX_STS);
}
/**
- * ixgbe_read_mbx_pf - Read a message from the mailbox
- * @hw: pointer to the HW structure
- * @msg: The message buffer
- * @size: Length of buffer
- * @vf_number: the VF index
+ * ixgbe_read_mbx_pf - Read a message from the mailbox
+ * @hw: pointer to the HW structure
+ * @msg: The message buffer
+ * @size: Length of buffer
+ * @vf_number: the VF index
*
- * This function copies a message from the mailbox buffer to the caller's
- * memory buffer. The presumption is that the caller knows that there was
- * a message due to a VF request so no polling for message is needed.
+ * This function copies a message from the mailbox buffer to the caller's
+ * memory buffer. The presumption is that the caller knows that there was
+ * a message due to a VF request so no polling for message is needed.
**/
STATIC s32 ixgbe_read_mbx_pf(struct ixgbe_hw *hw, u32 *msg, u16 size,
u16 vf_number)
}
/**
- * ixgbe_init_mbx_params_pf - set initial values for pf mailbox
- * @hw: pointer to the HW structure
+ * ixgbe_init_mbx_params_pf - set initial values for pf mailbox
+ * @hw: pointer to the HW structure
*
- * Initializes the hw->mbx struct to correct values for pf mailbox
+ * Initializes the hw->mbx struct to correct values for pf mailbox
*/
void ixgbe_init_mbx_params_pf(struct ixgbe_hw *hw)
{
if (hw->mac.type != ixgbe_mac_82599EB &&
hw->mac.type != ixgbe_mac_X550 &&
hw->mac.type != ixgbe_mac_X550EM_x &&
+ hw->mac.type != ixgbe_mac_X550EM_a &&
hw->mac.type != ixgbe_mac_X540)
return;
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