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 71 s32 igb_read_mbx(struct e1000_hw *hw, u32 *msg, u16 size, u16 mbx_id, 72 bool unlock); 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); 79 80 #endif /* _E1000_MBX_H_ */ 81