1/*******************************************************************************
2
3  Intel 82599 Virtual Function driver
4  Copyright(c) 1999 - 2015 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 _IXGBE_MBX_H_
28#define _IXGBE_MBX_H_
29
30#include "vf.h"
31
32#define IXGBE_VFMAILBOX_SIZE	16 /* 16 32 bit words - 64 bytes */
33#define IXGBE_ERR_MBX		-100
34
35#define IXGBE_VFMAILBOX		0x002FC
36#define IXGBE_VFMBMEM		0x00200
37
38/* Define mailbox register bits */
39#define IXGBE_VFMAILBOX_REQ	0x00000001 /* Request for PF Ready bit */
40#define IXGBE_VFMAILBOX_ACK	0x00000002 /* Ack PF message received */
41#define IXGBE_VFMAILBOX_VFU	0x00000004 /* VF owns the mailbox buffer */
42#define IXGBE_VFMAILBOX_PFU	0x00000008 /* PF owns the mailbox buffer */
43#define IXGBE_VFMAILBOX_PFSTS	0x00000010 /* PF wrote a message in the MB */
44#define IXGBE_VFMAILBOX_PFACK	0x00000020 /* PF ack the previous VF msg */
45#define IXGBE_VFMAILBOX_RSTI	0x00000040 /* PF has reset indication */
46#define IXGBE_VFMAILBOX_RSTD	0x00000080 /* PF has indicated reset done */
47#define IXGBE_VFMAILBOX_R2C_BITS 0x000000B0 /* All read to clear bits */
48
49#define IXGBE_PFMAILBOX(x)	(0x04B00 + (4 * (x)))
50#define IXGBE_PFMBMEM(vfn)	(0x13000 + (64 * (vfn)))
51
52#define IXGBE_PFMAILBOX_STS	0x00000001 /* Initiate message send to VF */
53#define IXGBE_PFMAILBOX_ACK	0x00000002 /* Ack message recv'd from VF */
54#define IXGBE_PFMAILBOX_VFU	0x00000004 /* VF owns the mailbox buffer */
55#define IXGBE_PFMAILBOX_PFU	0x00000008 /* PF owns the mailbox buffer */
56#define IXGBE_PFMAILBOX_RVFU	0x00000010 /* Reset VFU - used when VF stuck */
57
58#define IXGBE_MBVFICR_VFREQ_MASK 0x0000FFFF /* bits for VF messages */
59#define IXGBE_MBVFICR_VFREQ_VF1	0x00000001 /* bit for VF 1 message */
60#define IXGBE_MBVFICR_VFACK_MASK 0xFFFF0000 /* bits for VF acks */
61#define IXGBE_MBVFICR_VFACK_VF1	0x00010000 /* bit for VF 1 ack */
62
63/* If it's a IXGBE_VF_* msg then it originates in the VF and is sent to the
64 * PF.  The reverse is true if it is IXGBE_PF_*.
65 * Message ACK's are the value or'd with 0xF0000000
66 */
67/* Messages below or'd with this are the ACK */
68#define IXGBE_VT_MSGTYPE_ACK	0x80000000
69/* Messages below or'd with this are the NACK */
70#define IXGBE_VT_MSGTYPE_NACK	0x40000000
71/* Indicates that VF is still clear to send requests */
72#define IXGBE_VT_MSGTYPE_CTS	0x20000000
73#define IXGBE_VT_MSGINFO_SHIFT	16
74/* bits 23:16 are used for exra info for certain messages */
75#define IXGBE_VT_MSGINFO_MASK	(0xFF << IXGBE_VT_MSGINFO_SHIFT)
76
77/* definitions to support mailbox API version negotiation */
78
79/* each element denotes a version of the API; existing numbers may not
80 * change; any additions must go at the end
81 */
82enum ixgbe_pfvf_api_rev {
83	ixgbe_mbox_api_10,	/* API version 1.0, linux/freebsd VF driver */
84	ixgbe_mbox_api_20,	/* API version 2.0, solaris Phase1 VF driver */
85	ixgbe_mbox_api_11,	/* API version 1.1, linux/freebsd VF driver */
86	ixgbe_mbox_api_12,	/* API version 1.2, linux/freebsd VF driver */
87	/* This value should always be last */
88	ixgbe_mbox_api_unknown,	/* indicates that API version is not known */
89};
90
91/* mailbox API, legacy requests */
92#define IXGBE_VF_RESET		0x01 /* VF requests reset */
93#define IXGBE_VF_SET_MAC_ADDR	0x02 /* VF requests PF to set MAC addr */
94#define IXGBE_VF_SET_MULTICAST	0x03 /* VF requests PF to set MC addr */
95#define IXGBE_VF_SET_VLAN	0x04 /* VF requests PF to set VLAN */
96
97/* mailbox API, version 1.0 VF requests */
98#define IXGBE_VF_SET_LPE	0x05 /* VF requests PF to set VMOLR.LPE */
99#define IXGBE_VF_SET_MACVLAN	0x06 /* VF requests PF for unicast filter */
100#define IXGBE_VF_API_NEGOTIATE	0x08 /* negotiate API version */
101
102/* mailbox API, version 1.1 VF requests */
103#define IXGBE_VF_GET_QUEUE	0x09 /* get queue configuration */
104
105/* GET_QUEUES return data indices within the mailbox */
106#define IXGBE_VF_TX_QUEUES	1 /* number of Tx queues supported */
107#define IXGBE_VF_RX_QUEUES	2 /* number of Rx queues supported */
108#define IXGBE_VF_TRANS_VLAN	3 /* Indication of port VLAN */
109#define IXGBE_VF_DEF_QUEUE	4 /* Default queue offset */
110
111/* mailbox API, version 1.2 VF requests */
112#define IXGBE_VF_GET_RETA	0x0a	/* VF request for RETA */
113#define IXGBE_VF_GET_RSS_KEY	0x0b	/* get RSS hash key */
114
115#define IXGBE_VF_UPDATE_XCAST_MODE	0x0c
116
117/* length of permanent address message returned from PF */
118#define IXGBE_VF_PERMADDR_MSG_LEN	4
119/* word in permanent address message with the current multicast type */
120#define IXGBE_VF_MC_TYPE_WORD		3
121
122#define IXGBE_PF_CONTROL_MSG		0x0100 /* PF control message */
123
124#define IXGBE_VF_MBX_INIT_TIMEOUT	2000 /* number of retries on mailbox */
125#define IXGBE_VF_MBX_INIT_DELAY		500  /* microseconds between retries */
126
127/* forward declaration of the HW struct */
128struct ixgbe_hw;
129
130#endif /* _IXGBE_MBX_H_ */
131