Xenomai  3.1
e1000_mbx.h
1 /* Intel(R) Gigabit Ethernet Linux driver
2  * Copyright(c) 2007-2014 Intel Corporation.
3  *
4  * This program is free software; you can redistribute it and/or modify it
5  * under the terms and conditions of the GNU General Public License,
6  * version 2, as published by the Free Software Foundation.
7  *
8  * This program is distributed in the hope it will be useful, but WITHOUT
9  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
11  * more details.
12  *
13  * You should have received a copy of the GNU General Public License along with
14  * this program; if not, see <http://www.gnu.org/licenses/>.
15  *
16  * The full GNU General Public License is included in this distribution in
17  * the file called "COPYING".
18  *
19  * Contact Information:
20  * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
21  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
22  */
23 
24 #ifndef _E1000_MBX_H_
25 #define _E1000_MBX_H_
26 
27 #include "e1000_hw.h"
28 
29 #define E1000_P2VMAILBOX_STS 0x00000001 /* Initiate message send to VF */
30 #define E1000_P2VMAILBOX_ACK 0x00000002 /* Ack message recv'd from VF */
31 #define E1000_P2VMAILBOX_VFU 0x00000004 /* VF owns the mailbox buffer */
32 #define E1000_P2VMAILBOX_PFU 0x00000008 /* PF owns the mailbox buffer */
33 #define E1000_P2VMAILBOX_RVFU 0x00000010 /* Reset VFU - used when VF stuck */
34 
35 #define E1000_MBVFICR_VFREQ_MASK 0x000000FF /* bits for VF messages */
36 #define E1000_MBVFICR_VFREQ_VF1 0x00000001 /* bit for VF 1 message */
37 #define E1000_MBVFICR_VFACK_MASK 0x00FF0000 /* bits for VF acks */
38 #define E1000_MBVFICR_VFACK_VF1 0x00010000 /* bit for VF 1 ack */
39 
40 #define E1000_VFMAILBOX_SIZE 16 /* 16 32 bit words - 64 bytes */
41 
42 /* If it's a E1000_VF_* msg then it originates in the VF and is sent to the
43  * PF. The reverse is true if it is E1000_PF_*.
44  * Message ACK's are the value or'd with 0xF0000000
45  */
46 /* Messages below or'd with this are the ACK */
47 #define E1000_VT_MSGTYPE_ACK 0x80000000
48 /* Messages below or'd with this are the NACK */
49 #define E1000_VT_MSGTYPE_NACK 0x40000000
50 /* Indicates that VF is still clear to send requests */
51 #define E1000_VT_MSGTYPE_CTS 0x20000000
52 #define E1000_VT_MSGINFO_SHIFT 16
53 /* bits 23:16 are used for exra info for certain messages */
54 #define E1000_VT_MSGINFO_MASK (0xFF << E1000_VT_MSGINFO_SHIFT)
55 
56 #define E1000_VF_RESET 0x01 /* VF requests reset */
57 #define E1000_VF_SET_MAC_ADDR 0x02 /* VF requests to set MAC addr */
58 #define E1000_VF_SET_MULTICAST 0x03 /* VF requests to set MC addr */
59 #define E1000_VF_SET_VLAN 0x04 /* VF requests to set VLAN */
60 #define E1000_VF_SET_LPE 0x05 /* VF requests to set VMOLR.LPE */
61 #define E1000_VF_SET_PROMISC 0x06 /*VF requests to clear VMOLR.ROPE/MPME*/
62 #define E1000_VF_SET_PROMISC_MULTICAST (0x02 << E1000_VT_MSGINFO_SHIFT)
63 
64 #define E1000_PF_CONTROL_MSG 0x0100 /* PF control message */
65 
66 s32 igb_read_mbx(struct e1000_hw *, u32 *, u16, u16);
67 s32 igb_write_mbx(struct e1000_hw *, u32 *, u16, u16);
68 s32 igb_check_for_msg(struct e1000_hw *, u16);
69 s32 igb_check_for_ack(struct e1000_hw *, u16);
70 s32 igb_check_for_rst(struct e1000_hw *, u16);
71 s32 igb_init_mbx_params_pf(struct e1000_hw *);
72 
73 #endif /* _E1000_MBX_H_ */