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ixgbe_mbx.h
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1 /*******************************************************************************
2 
3  Intel 10 Gigabit PCI Express 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.
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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.
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15  You should have received a copy of the GNU General Public License along with
16  this program; if not, write to the Free Software Foundation, Inc.,
17  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
18 
19  The full GNU General Public License is included in this distribution in
20  the file called "COPYING".
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26 *******************************************************************************/
27 
28 #ifndef _IXGBE_MBX_H_
29 #define _IXGBE_MBX_H_
30 
31 #include "ixgbe_type.h"
32 
33 #define IXGBE_VFMAILBOX_SIZE 16 /* 16 32 bit words - 64 bytes */
34 #define IXGBE_ERR_MBX -100
35 
36 #define IXGBE_VFMAILBOX 0x002FC
37 #define IXGBE_VFMBMEM 0x00200
38 
39 #define IXGBE_PFMAILBOX_STS 0x00000001 /* Initiate message send to VF */
40 #define IXGBE_PFMAILBOX_ACK 0x00000002 /* Ack message recv'd from VF */
41 #define IXGBE_PFMAILBOX_VFU 0x00000004 /* VF owns the mailbox buffer */
42 #define IXGBE_PFMAILBOX_PFU 0x00000008 /* PF owns the mailbox buffer */
43 #define IXGBE_PFMAILBOX_RVFU 0x00000010 /* Reset VFU - used when VF stuck */
44 
45 #define IXGBE_MBVFICR_VFREQ_MASK 0x0000FFFF /* bits for VF messages */
46 #define IXGBE_MBVFICR_VFREQ_VF1 0x00000001 /* bit for VF 1 message */
47 #define IXGBE_MBVFICR_VFACK_MASK 0xFFFF0000 /* bits for VF acks */
48 #define IXGBE_MBVFICR_VFACK_VF1 0x00010000 /* bit for VF 1 ack */
49 
50 
51 /* If it's a IXGBE_VF_* msg then it originates in the VF and is sent to the
52  * PF. The reverse is true if it is IXGBE_PF_*.
53  * Message ACK's are the value or'd with 0xF0000000
54  */
55 #define IXGBE_VT_MSGTYPE_ACK 0x80000000 /* Messages below or'd with
56  * this are the ACK */
57 #define IXGBE_VT_MSGTYPE_NACK 0x40000000 /* Messages below or'd with
58  * this are the NACK */
59 #define IXGBE_VT_MSGTYPE_CTS 0x20000000 /* Indicates that VF is still
60  clear to send requests */
61 #define IXGBE_VT_MSGINFO_SHIFT 16
62 /* bits 23:16 are used for exra info for certain messages */
63 #define IXGBE_VT_MSGINFO_MASK (0xFF << IXGBE_VT_MSGINFO_SHIFT)
64 
65 #define IXGBE_VF_RESET 0x01 /* VF requests reset */
66 #define IXGBE_VF_SET_MAC_ADDR 0x02 /* VF requests PF to set MAC addr */
67 #define IXGBE_VF_SET_MULTICAST 0x03 /* VF requests PF to set MC addr */
68 #define IXGBE_VF_SET_VLAN 0x04 /* VF requests PF to set VLAN */
69 #define IXGBE_VF_SET_LPE 0x05 /* VF requests PF to set VMOLR.LPE */
70 #define IXGBE_VF_SET_MACVLAN 0x06 /* VF requests PF for unicast filter */
71 
72 /* length of permanent address message returned from PF */
73 #define IXGBE_VF_PERMADDR_MSG_LEN 4
74 /* word in permanent address message with the current multicast type */
75 #define IXGBE_VF_MC_TYPE_WORD 3
76 
77 #define IXGBE_PF_CONTROL_MSG 0x0100 /* PF control message */
78 
79 #define IXGBE_VF_MBX_INIT_TIMEOUT 2000 /* number of retries on mailbox */
80 #define IXGBE_VF_MBX_INIT_DELAY 500 /* microseconds between retries */
81 
82 s32 ixgbe_read_mbx(struct ixgbe_hw *, u32 *, u16, u16);
83 s32 ixgbe_write_mbx(struct ixgbe_hw *, u32 *, u16, u16);
87 #ifdef CONFIG_PCI_IOV
88 void ixgbe_init_mbx_params_pf(struct ixgbe_hw *);
89 #endif /* CONFIG_PCI_IOV */
90 
92 
93 #endif /* _IXGBE_MBX_H_ */