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1/* SPDX-License-Identifier: GPL-2.0 */
2/* Copyright(c) 2007 - 2018 Intel Corporation. */
3
4#ifndef _E1000_MBX_H_
5#define _E1000_MBX_H_
6
7#include "e1000_hw.h"
8
9#define E1000_P2VMAILBOX_STS 0x00000001 /* Initiate message send to VF */
10#define E1000_P2VMAILBOX_ACK 0x00000002 /* Ack message recv'd from VF */
11#define E1000_P2VMAILBOX_VFU 0x00000004 /* VF owns the mailbox buffer */
12#define E1000_P2VMAILBOX_PFU 0x00000008 /* PF owns the mailbox buffer */
13#define E1000_P2VMAILBOX_RVFU 0x00000010 /* Reset VFU - used when VF stuck */
14
15#define E1000_MBVFICR_VFREQ_MASK 0x000000FF /* bits for VF messages */
16#define E1000_MBVFICR_VFREQ_VF1 0x00000001 /* bit for VF 1 message */
17#define E1000_MBVFICR_VFACK_MASK 0x00FF0000 /* bits for VF acks */
18#define E1000_MBVFICR_VFACK_VF1 0x00010000 /* bit for VF 1 ack */
19
20#define E1000_VFMAILBOX_SIZE 16 /* 16 32 bit words - 64 bytes */
21
22/* If it's a E1000_VF_* msg then it originates in the VF and is sent to the
23 * PF. The reverse is true if it is E1000_PF_*.
24 * Message ACK's are the value or'd with 0xF0000000
25 */
26/* Messages below or'd with this are the ACK */
27#define E1000_VT_MSGTYPE_ACK 0x80000000
28/* Messages below or'd with this are the NACK */
29#define E1000_VT_MSGTYPE_NACK 0x40000000
30/* Indicates that VF is still clear to send requests */
31#define E1000_VT_MSGTYPE_CTS 0x20000000
32#define E1000_VT_MSGINFO_SHIFT 16
33/* bits 23:16 are used for exra info for certain messages */
34#define E1000_VT_MSGINFO_MASK (0xFF << E1000_VT_MSGINFO_SHIFT)
35
36#define E1000_VF_RESET 0x01 /* VF requests reset */
37#define E1000_VF_SET_MAC_ADDR 0x02 /* VF requests to set MAC addr */
38/* VF requests to clear all unicast MAC filters */
39#define E1000_VF_MAC_FILTER_CLR (0x01 << E1000_VT_MSGINFO_SHIFT)
40/* VF requests to add unicast MAC filter */
41#define E1000_VF_MAC_FILTER_ADD (0x02 << E1000_VT_MSGINFO_SHIFT)
42#define E1000_VF_SET_MULTICAST 0x03 /* VF requests to set MC addr */
43#define E1000_VF_SET_VLAN 0x04 /* VF requests to set VLAN */
44#define E1000_VF_SET_LPE 0x05 /* VF requests to set VMOLR.LPE */
45#define E1000_VF_SET_PROMISC 0x06 /*VF requests to clear VMOLR.ROPE/MPME*/
46#define E1000_VF_SET_PROMISC_MULTICAST (0x02 << E1000_VT_MSGINFO_SHIFT)
47
48#define E1000_PF_CONTROL_MSG 0x0100 /* PF control message */
49
50s32 igb_read_mbx(struct e1000_hw *hw, u32 *msg, u16 size, u16 mbx_id,
51 bool unlock);
52s32 igb_write_mbx(struct e1000_hw *hw, u32 *msg, u16 size, u16 mbx_id);
53s32 igb_check_for_msg(struct e1000_hw *hw, u16 mbx_id);
54s32 igb_check_for_ack(struct e1000_hw *hw, u16 mbx_id);
55s32 igb_check_for_rst(struct e1000_hw *hw, u16 mbx_id);
56s32 igb_unlock_mbx(struct e1000_hw *hw, u16 mbx_id);
57s32 igb_init_mbx_params_pf(struct e1000_hw *hw);
58
59#endif /* _E1000_MBX_H_ */
1/* SPDX-License-Identifier: GPL-2.0 */
2/* Intel(R) Gigabit Ethernet Linux driver
3 * Copyright(c) 2007-2014 Intel Corporation.
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms and conditions of the GNU General Public License,
7 * version 2, as published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12 * more details.
13 *
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, see <http://www.gnu.org/licenses/>.
16 *
17 * The full GNU General Public License is included in this distribution in
18 * the file called "COPYING".
19 *
20 * Contact Information:
21 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
22 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
23 */
24
25#ifndef _E1000_MBX_H_
26#define _E1000_MBX_H_
27
28#include "e1000_hw.h"
29
30#define E1000_P2VMAILBOX_STS 0x00000001 /* Initiate message send to VF */
31#define E1000_P2VMAILBOX_ACK 0x00000002 /* Ack message recv'd from VF */
32#define E1000_P2VMAILBOX_VFU 0x00000004 /* VF owns the mailbox buffer */
33#define E1000_P2VMAILBOX_PFU 0x00000008 /* PF owns the mailbox buffer */
34#define E1000_P2VMAILBOX_RVFU 0x00000010 /* Reset VFU - used when VF stuck */
35
36#define E1000_MBVFICR_VFREQ_MASK 0x000000FF /* bits for VF messages */
37#define E1000_MBVFICR_VFREQ_VF1 0x00000001 /* bit for VF 1 message */
38#define E1000_MBVFICR_VFACK_MASK 0x00FF0000 /* bits for VF acks */
39#define E1000_MBVFICR_VFACK_VF1 0x00010000 /* bit for VF 1 ack */
40
41#define E1000_VFMAILBOX_SIZE 16 /* 16 32 bit words - 64 bytes */
42
43/* If it's a E1000_VF_* msg then it originates in the VF and is sent to the
44 * PF. The reverse is true if it is E1000_PF_*.
45 * Message ACK's are the value or'd with 0xF0000000
46 */
47/* Messages below or'd with this are the ACK */
48#define E1000_VT_MSGTYPE_ACK 0x80000000
49/* Messages below or'd with this are the NACK */
50#define E1000_VT_MSGTYPE_NACK 0x40000000
51/* Indicates that VF is still clear to send requests */
52#define E1000_VT_MSGTYPE_CTS 0x20000000
53#define E1000_VT_MSGINFO_SHIFT 16
54/* bits 23:16 are used for exra info for certain messages */
55#define E1000_VT_MSGINFO_MASK (0xFF << E1000_VT_MSGINFO_SHIFT)
56
57#define E1000_VF_RESET 0x01 /* VF requests reset */
58#define E1000_VF_SET_MAC_ADDR 0x02 /* VF requests to set MAC addr */
59/* VF requests to clear all unicast MAC filters */
60#define E1000_VF_MAC_FILTER_CLR (0x01 << E1000_VT_MSGINFO_SHIFT)
61/* VF requests to add unicast MAC filter */
62#define E1000_VF_MAC_FILTER_ADD (0x02 << E1000_VT_MSGINFO_SHIFT)
63#define E1000_VF_SET_MULTICAST 0x03 /* VF requests to set MC addr */
64#define E1000_VF_SET_VLAN 0x04 /* VF requests to set VLAN */
65#define E1000_VF_SET_LPE 0x05 /* VF requests to set VMOLR.LPE */
66#define E1000_VF_SET_PROMISC 0x06 /*VF requests to clear VMOLR.ROPE/MPME*/
67#define E1000_VF_SET_PROMISC_MULTICAST (0x02 << E1000_VT_MSGINFO_SHIFT)
68
69#define E1000_PF_CONTROL_MSG 0x0100 /* PF control message */
70
71s32 igb_read_mbx(struct e1000_hw *hw, u32 *msg, u16 size, u16 mbx_id,
72 bool unlock);
73s32 igb_write_mbx(struct e1000_hw *hw, u32 *msg, u16 size, u16 mbx_id);
74s32 igb_check_for_msg(struct e1000_hw *hw, u16 mbx_id);
75s32 igb_check_for_ack(struct e1000_hw *hw, u16 mbx_id);
76s32 igb_check_for_rst(struct e1000_hw *hw, u16 mbx_id);
77s32 igb_unlock_mbx(struct e1000_hw *hw, u16 mbx_id);
78s32 igb_init_mbx_params_pf(struct e1000_hw *hw);
79
80#endif /* _E1000_MBX_H_ */