Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland...
[deliverable/linux.git] / drivers / net / ixgbe / ixgbe_mbx.h
1 /*******************************************************************************
2
3 Intel 10 Gigabit PCI Express Linux driver
4 Copyright(c) 1999 - 2009 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, 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".
21
22 Contact Information:
23 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
24 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
25
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(x) (0x04B00 + (4 * x))
40 #define IXGBE_PFMBMEM(vfn) (0x13000 + (64 * vfn))
41
42 #define IXGBE_PFMAILBOX_STS 0x00000001 /* Initiate message send to VF */
43 #define IXGBE_PFMAILBOX_ACK 0x00000002 /* Ack message recv'd from VF */
44 #define IXGBE_PFMAILBOX_VFU 0x00000004 /* VF owns the mailbox buffer */
45 #define IXGBE_PFMAILBOX_PFU 0x00000008 /* PF owns the mailbox buffer */
46 #define IXGBE_PFMAILBOX_RVFU 0x00000010 /* Reset VFU - used when VF stuck */
47
48 #define IXGBE_MBVFICR_VFREQ_MASK 0x0000FFFF /* bits for VF messages */
49 #define IXGBE_MBVFICR_VFREQ_VF1 0x00000001 /* bit for VF 1 message */
50 #define IXGBE_MBVFICR_VFACK_MASK 0xFFFF0000 /* bits for VF acks */
51 #define IXGBE_MBVFICR_VFACK_VF1 0x00010000 /* bit for VF 1 ack */
52
53
54 /* If it's a IXGBE_VF_* msg then it originates in the VF and is sent to the
55 * PF. The reverse is true if it is IXGBE_PF_*.
56 * Message ACK's are the value or'd with 0xF0000000
57 */
58 #define IXGBE_VT_MSGTYPE_ACK 0x80000000 /* Messages below or'd with
59 * this are the ACK */
60 #define IXGBE_VT_MSGTYPE_NACK 0x40000000 /* Messages below or'd with
61 * this are the NACK */
62 #define IXGBE_VT_MSGTYPE_CTS 0x20000000 /* Indicates that VF is still
63 clear to send requests */
64 #define IXGBE_VT_MSGINFO_SHIFT 16
65 /* bits 23:16 are used for exra info for certain messages */
66 #define IXGBE_VT_MSGINFO_MASK (0xFF << IXGBE_VT_MSGINFO_SHIFT)
67
68 #define IXGBE_VF_RESET 0x01 /* VF requests reset */
69 #define IXGBE_VF_SET_MAC_ADDR 0x02 /* VF requests PF to set MAC addr */
70 #define IXGBE_VF_SET_MULTICAST 0x03 /* VF requests PF to set MC addr */
71 #define IXGBE_VF_SET_VLAN 0x04 /* VF requests PF to set VLAN */
72 #define IXGBE_VF_SET_LPE 0x05 /* VF requests PF to set VMOLR.LPE */
73
74 /* length of permanent address message returned from PF */
75 #define IXGBE_VF_PERMADDR_MSG_LEN 4
76 /* word in permanent address message with the current multicast type */
77 #define IXGBE_VF_MC_TYPE_WORD 3
78
79 #define IXGBE_PF_CONTROL_MSG 0x0100 /* PF control message */
80
81 #define IXGBE_VF_MBX_INIT_TIMEOUT 2000 /* number of retries on mailbox */
82 #define IXGBE_VF_MBX_INIT_DELAY 500 /* microseconds between retries */
83
84 s32 ixgbe_read_mbx(struct ixgbe_hw *, u32 *, u16, u16);
85 s32 ixgbe_write_mbx(struct ixgbe_hw *, u32 *, u16, u16);
86 s32 ixgbe_read_posted_mbx(struct ixgbe_hw *, u32 *, u16, u16);
87 s32 ixgbe_write_posted_mbx(struct ixgbe_hw *, u32 *, u16, u16);
88 s32 ixgbe_check_for_msg(struct ixgbe_hw *, u16);
89 s32 ixgbe_check_for_ack(struct ixgbe_hw *, u16);
90 s32 ixgbe_check_for_rst(struct ixgbe_hw *, u16);
91 void ixgbe_init_mbx_ops_generic(struct ixgbe_hw *hw);
92 void ixgbe_init_mbx_params_pf(struct ixgbe_hw *);
93
94 extern struct ixgbe_mbx_operations mbx_ops_82599;
95
96 #endif /* _IXGBE_MBX_H_ */
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