1/*******************************************************************************
2
3  Intel(R) 82576 Virtual Function Linux driver
4  Copyright(c) 1999 - 2012 Intel Corporation.
5
6  This program is free software; you can redistribute it and/or modify it
7  under the terms and conditions of the GNU General Public License,
8  version 2, as published by the Free Software Foundation.
9
10  This program is distributed in the hope it will be useful, but WITHOUT
11  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
13  more details.
14
15  You should have received a copy of the GNU General Public License along with
16  this program; if not, see <http://www.gnu.org/licenses/>.
17
18  The full GNU General Public License is included in this distribution in
19  the file called "COPYING".
20
21  Contact Information:
22  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
23  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
24
25*******************************************************************************/
26
27#ifndef _E1000_MBX_H_
28#define _E1000_MBX_H_
29
30#include "vf.h"
31
32#define E1000_V2PMAILBOX_REQ	0x00000001 /* Request for PF Ready bit */
33#define E1000_V2PMAILBOX_ACK	0x00000002 /* Ack PF message received */
34#define E1000_V2PMAILBOX_VFU	0x00000004 /* VF owns the mailbox buffer */
35#define E1000_V2PMAILBOX_PFU	0x00000008 /* PF owns the mailbox buffer */
36#define E1000_V2PMAILBOX_PFSTS	0x00000010 /* PF wrote a message in the MB */
37#define E1000_V2PMAILBOX_PFACK	0x00000020 /* PF ack the previous VF msg */
38#define E1000_V2PMAILBOX_RSTI	0x00000040 /* PF has reset indication */
39#define E1000_V2PMAILBOX_RSTD	0x00000080 /* PF has indicated reset done */
40#define E1000_V2PMAILBOX_R2C_BITS 0x000000B0 /* All read to clear bits */
41
42#define E1000_VFMAILBOX_SIZE	16 /* 16 32 bit words - 64 bytes */
43
44/* If it's a E1000_VF_* msg then it originates in the VF and is sent to the
45 * PF.  The reverse is true if it is E1000_PF_*.
46 * Message ACK's are the value or'd with 0xF0000000
47 */
48/* Messages below or'd with this are the ACK */
49#define E1000_VT_MSGTYPE_ACK	0x80000000
50/* Messages below or'd with this are the NACK */
51#define E1000_VT_MSGTYPE_NACK	0x40000000
52/* Indicates that VF is still clear to send requests */
53#define E1000_VT_MSGTYPE_CTS	0x20000000
54
55/* We have a total wait time of 1s for vf mailbox posted messages */
56#define E1000_VF_MBX_INIT_TIMEOUT	2000 /* retry count for mbx timeout */
57#define E1000_VF_MBX_INIT_DELAY		500  /* usec delay between retries */
58
59#define E1000_VT_MSGINFO_SHIFT	16
60/* bits 23:16 are used for exra info for certain messages */
61#define E1000_VT_MSGINFO_MASK	(0xFF << E1000_VT_MSGINFO_SHIFT)
62
63#define E1000_VF_RESET		0x01 /* VF requests reset */
64#define E1000_VF_SET_MAC_ADDR	0x02 /* VF requests PF to set MAC addr */
65#define E1000_VF_SET_MULTICAST	0x03 /* VF requests PF to set MC addr */
66#define E1000_VF_SET_VLAN	0x04 /* VF requests PF to set VLAN */
67#define E1000_VF_SET_LPE	0x05 /* VF requests PF to set VMOLR.LPE */
68
69#define E1000_PF_CONTROL_MSG	0x0100 /* PF control message */
70
71void e1000_init_mbx_ops_generic(struct e1000_hw *hw);
72s32 e1000_init_mbx_params_vf(struct e1000_hw *);
73
74#endif /* _E1000_MBX_H_ */
75