107 lines
5.2 KiB
C
107 lines
5.2 KiB
C
/******************************************************************************
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SPDX-License-Identifier: BSD-3-Clause
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Copyright (c) 2001-2020, Intel Corporation
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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3. Neither the name of the Intel Corporation nor the names of its
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contributors may be used to endorse or promote products derived from
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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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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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******************************************************************************/
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#ifndef _E1000_MBX_H_
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#define _E1000_MBX_H_
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#include "e1000_api.h"
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/* Define mailbox register bits */
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#define E1000_V2PMAILBOX_REQ 0x00000001 /* Request for PF Ready bit */
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#define E1000_V2PMAILBOX_ACK 0x00000002 /* Ack PF message received */
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#define E1000_V2PMAILBOX_VFU 0x00000004 /* VF owns the mailbox buffer */
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#define E1000_V2PMAILBOX_PFU 0x00000008 /* PF owns the mailbox buffer */
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#define E1000_V2PMAILBOX_PFSTS 0x00000010 /* PF wrote a message in the MB */
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#define E1000_V2PMAILBOX_PFACK 0x00000020 /* PF ack the previous VF msg */
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#define E1000_V2PMAILBOX_RSTI 0x00000040 /* PF has reset indication */
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#define E1000_V2PMAILBOX_RSTD 0x00000080 /* PF has indicated reset done */
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#define E1000_V2PMAILBOX_R2C_BITS 0x000000B0 /* All read to clear bits */
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#define E1000_P2VMAILBOX_STS 0x00000001 /* Initiate message send to VF */
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#define E1000_P2VMAILBOX_ACK 0x00000002 /* Ack message recv'd from VF */
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#define E1000_P2VMAILBOX_VFU 0x00000004 /* VF owns the mailbox buffer */
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#define E1000_P2VMAILBOX_PFU 0x00000008 /* PF owns the mailbox buffer */
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#define E1000_P2VMAILBOX_RVFU 0x00000010 /* Reset VFU - used when VF stuck */
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#define E1000_MBVFICR_VFREQ_MASK 0x000000FF /* bits for VF messages */
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#define E1000_MBVFICR_VFREQ_VF1 0x00000001 /* bit for VF 1 message */
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#define E1000_MBVFICR_VFACK_MASK 0x00FF0000 /* bits for VF acks */
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#define E1000_MBVFICR_VFACK_VF1 0x00010000 /* bit for VF 1 ack */
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#define E1000_VFMAILBOX_SIZE 16 /* 16 32 bit words - 64 bytes */
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/* If it's a E1000_VF_* msg then it originates in the VF and is sent to the
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* PF. The reverse is true if it is E1000_PF_*.
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* Message ACK's are the value or'd with 0xF0000000
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*/
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/* Msgs below or'd with this are the ACK */
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#define E1000_VT_MSGTYPE_ACK 0x80000000
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/* Msgs below or'd with this are the NACK */
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#define E1000_VT_MSGTYPE_NACK 0x40000000
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/* Indicates that VF is still clear to send requests */
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#define E1000_VT_MSGTYPE_CTS 0x20000000
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#define E1000_VT_MSGINFO_SHIFT 16
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/* bits 23:16 are used for extra info for certain messages */
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#define E1000_VT_MSGINFO_MASK (0xFF << E1000_VT_MSGINFO_SHIFT)
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#define E1000_VF_RESET 0x01 /* VF requests reset */
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#define E1000_VF_SET_MAC_ADDR 0x02 /* VF requests to set MAC addr */
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#define E1000_VF_SET_MULTICAST 0x03 /* VF requests to set MC addr */
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#define E1000_VF_SET_MULTICAST_COUNT_MASK (0x1F << E1000_VT_MSGINFO_SHIFT)
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#define E1000_VF_SET_MULTICAST_OVERFLOW (0x80 << E1000_VT_MSGINFO_SHIFT)
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#define E1000_VF_SET_VLAN 0x04 /* VF requests to set VLAN */
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#define E1000_VF_SET_VLAN_ADD (0x01 << E1000_VT_MSGINFO_SHIFT)
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#define E1000_VF_SET_LPE 0x05 /* reqs to set VMOLR.LPE */
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#define E1000_VF_SET_PROMISC 0x06 /* reqs to clear VMOLR.ROPE/MPME*/
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#define E1000_VF_SET_PROMISC_UNICAST (0x01 << E1000_VT_MSGINFO_SHIFT)
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#define E1000_VF_SET_PROMISC_MULTICAST (0x02 << E1000_VT_MSGINFO_SHIFT)
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#define E1000_PF_CONTROL_MSG 0x0100 /* PF control message */
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#define E1000_VF_MBX_INIT_TIMEOUT 2000 /* number of retries on mailbox */
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#define E1000_VF_MBX_INIT_DELAY 500 /* microseconds between retries */
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s32 e1000_read_mbx(struct e1000_hw *, u32 *, u16, u16);
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s32 e1000_write_mbx(struct e1000_hw *, u32 *, u16, u16);
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s32 e1000_read_posted_mbx(struct e1000_hw *, u32 *, u16, u16);
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s32 e1000_write_posted_mbx(struct e1000_hw *, u32 *, u16, u16);
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s32 e1000_check_for_msg(struct e1000_hw *, u16);
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s32 e1000_check_for_ack(struct e1000_hw *, u16);
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s32 e1000_check_for_rst(struct e1000_hw *, u16);
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void e1000_init_mbx_ops_generic(struct e1000_hw *hw);
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s32 e1000_init_mbx_params_vf(struct e1000_hw *);
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s32 e1000_init_mbx_params_pf(struct e1000_hw *);
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#endif /* _E1000_MBX_H_ */
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