1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Intel(R) Gigabit Ethernet Linux driver
3 * Copyright(c) 2007-2014 Intel Corporation.
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.
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
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/>.
17 * The full GNU General Public License is included in this distribution in
18 * the file called "COPYING".
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
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 */
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 */
41 #define E1000_VFMAILBOX_SIZE 16 /* 16 32 bit words - 64 bytes */
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
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)
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)
69 #define E1000_PF_CONTROL_MSG 0x0100 /* PF control message */
71 s32 igb_read_mbx(struct e1000_hw *hw, u32 *msg, u16 size, u16 mbx_id,
73 s32 igb_write_mbx(struct e1000_hw *hw, u32 *msg, u16 size, u16 mbx_id);
74 s32 igb_check_for_msg(struct e1000_hw *hw, u16 mbx_id);
75 s32 igb_check_for_ack(struct e1000_hw *hw, u16 mbx_id);
76 s32 igb_check_for_rst(struct e1000_hw *hw, u16 mbx_id);
77 s32 igb_unlock_mbx(struct e1000_hw *hw, u16 mbx_id);
78 s32 igb_init_mbx_params_pf(struct e1000_hw *hw);
80 #endif /* _E1000_MBX_H_ */