1 /******************************************************************************
2
3 Copyright (c) 2001-2015, Intel Corporation
4 All rights reserved.
5
6 Redistribution and use in source and binary forms, with or without
7 modification, are permitted provided that the following conditions are met:
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9 1. Redistributions of source code must retain the above copyright notice,
10 this list of conditions and the following disclaimer.
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13 notice, this list of conditions and the following disclaimer in the
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32 ******************************************************************************/
33 /*$FreeBSD$*/
34
35 #ifndef _IXGBE_MBX_H_
36 #define _IXGBE_MBX_H_
37
38 #include "ixgbe_type.h"
39
40 #define IXGBE_VFMAILBOX_SIZE 16 /* 16 32 bit words - 64 bytes */
41 #define IXGBE_ERR_MBX -100
42
43 #define IXGBE_VFMAILBOX 0x002FC
44 #define IXGBE_VFMBMEM 0x00200
45
46 /* Define mailbox register bits */
47 #define IXGBE_VFMAILBOX_REQ 0x00000001 /* Request for PF Ready bit */
48 #define IXGBE_VFMAILBOX_ACK 0x00000002 /* Ack PF message received */
49 #define IXGBE_VFMAILBOX_VFU 0x00000004 /* VF owns the mailbox buffer */
50 #define IXGBE_VFMAILBOX_PFU 0x00000008 /* PF owns the mailbox buffer */
51 #define IXGBE_VFMAILBOX_PFSTS 0x00000010 /* PF wrote a message in the MB */
52 #define IXGBE_VFMAILBOX_PFACK 0x00000020 /* PF ack the previous VF msg */
53 #define IXGBE_VFMAILBOX_RSTI 0x00000040 /* PF has reset indication */
54 #define IXGBE_VFMAILBOX_RSTD 0x00000080 /* PF has indicated reset done */
55 #define IXGBE_VFMAILBOX_R2C_BITS 0x000000B0 /* All read to clear bits */
56
57 #define IXGBE_PFMAILBOX_STS 0x00000001 /* Initiate message send to VF */
58 #define IXGBE_PFMAILBOX_ACK 0x00000002 /* Ack message recv'd from VF */
59 #define IXGBE_PFMAILBOX_VFU 0x00000004 /* VF owns the mailbox buffer */
60 #define IXGBE_PFMAILBOX_PFU 0x00000008 /* PF owns the mailbox buffer */
61 #define IXGBE_PFMAILBOX_RVFU 0x00000010 /* Reset VFU - used when VF stuck */
62
63 #define IXGBE_MBVFICR_VFREQ_MASK 0x0000FFFF /* bits for VF messages */
64 #define IXGBE_MBVFICR_VFREQ_VF1 0x00000001 /* bit for VF 1 message */
65 #define IXGBE_MBVFICR_VFACK_MASK 0xFFFF0000 /* bits for VF acks */
66 #define IXGBE_MBVFICR_VFACK_VF1 0x00010000 /* bit for VF 1 ack */
67
68
69 /* If it's a IXGBE_VF_* msg then it originates in the VF and is sent to the
70 * PF. The reverse is TRUE if it is IXGBE_PF_*.
71 * Message ACK's are the value or'd with 0xF0000000
72 */
73 #define IXGBE_VT_MSGTYPE_ACK 0x80000000 /* Messages below or'd with
74 * this are the ACK */
75 #define IXGBE_VT_MSGTYPE_NACK 0x40000000 /* Messages below or'd with
76 * this are the NACK */
77 #define IXGBE_VT_MSGTYPE_CTS 0x20000000 /* Indicates that VF is still
78 * clear to send requests */
79 #define IXGBE_VT_MSGINFO_SHIFT 16
80 /* bits 23:16 are used for extra info for certain messages */
81 #define IXGBE_VT_MSGINFO_MASK (0xFF << IXGBE_VT_MSGINFO_SHIFT)
82
83 /* definitions to support mailbox API version negotiation */
84
85 /*
86 * each element denotes a version of the API; existing numbers may not
87 * change; any additions must go at the end
88 */
89 enum ixgbe_pfvf_api_rev {
90 ixgbe_mbox_api_10, /* API version 1.0, linux/freebsd VF driver */
91 ixgbe_mbox_api_20, /* API version 2.0, solaris Phase1 VF driver */
92 ixgbe_mbox_api_11, /* API version 1.1, linux/freebsd VF driver */
93 /* This value should always be last */
94 ixgbe_mbox_api_unknown, /* indicates that API version is not known */
95 };
96
97 /* mailbox API, legacy requests */
98 #define IXGBE_VF_RESET 0x01 /* VF requests reset */
99 #define IXGBE_VF_SET_MAC_ADDR 0x02 /* VF requests PF to set MAC addr */
100 #define IXGBE_VF_SET_MULTICAST 0x03 /* VF requests PF to set MC addr */
101 #define IXGBE_VF_SET_VLAN 0x04 /* VF requests PF to set VLAN */
102
103 /* mailbox API, version 1.0 VF requests */
104 #define IXGBE_VF_SET_LPE 0x05 /* VF requests PF to set VMOLR.LPE */
105 #define IXGBE_VF_SET_MACVLAN 0x06 /* VF requests PF for unicast filter */
106 #define IXGBE_VF_API_NEGOTIATE 0x08 /* negotiate API version */
107
108 /* mailbox API, version 1.1 VF requests */
109 #define IXGBE_VF_GET_QUEUES 0x09 /* get queue configuration */
110
111 /* GET_QUEUES return data indices within the mailbox */
112 #define IXGBE_VF_TX_QUEUES 1 /* number of Tx queues supported */
113 #define IXGBE_VF_RX_QUEUES 2 /* number of Rx queues supported */
114 #define IXGBE_VF_TRANS_VLAN 3 /* Indication of port vlan */
115 #define IXGBE_VF_DEF_QUEUE 4 /* Default queue offset */
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 /* mailbox API, version 2.0 VF requests */
125 #define IXGBE_VF_API_NEGOTIATE 0x08 /* negotiate API version */
126 #define IXGBE_VF_GET_QUEUES 0x09 /* get queue configuration */
127 #define IXGBE_VF_ENABLE_MACADDR 0x0A /* enable MAC address */
128 #define IXGBE_VF_DISABLE_MACADDR 0x0B /* disable MAC address */
129 #define IXGBE_VF_GET_MACADDRS 0x0C /* get all configured MAC addrs */
130 #define IXGBE_VF_SET_MCAST_PROMISC 0x0D /* enable multicast promiscuous */
131 #define IXGBE_VF_GET_MTU 0x0E /* get bounds on MTU */
132 #define IXGBE_VF_SET_MTU 0x0F /* set a specific MTU */
133
134 /* mailbox API, version 2.0 PF requests */
135 #define IXGBE_PF_TRANSPARENT_VLAN 0x0101 /* enable transparent vlan */
136
137 #define IXGBE_VF_MBX_INIT_TIMEOUT 2000 /* number of retries on mailbox */
138 #define IXGBE_VF_MBX_INIT_DELAY 500 /* microseconds between retries */
139
140 s32 ixgbe_read_mbx(struct ixgbe_hw *, u32 *, u16, u16);
141 s32 ixgbe_write_mbx(struct ixgbe_hw *, u32 *, u16, u16);
142 s32 ixgbe_read_posted_mbx(struct ixgbe_hw *, u32 *, u16, u16);
143 s32 ixgbe_write_posted_mbx(struct ixgbe_hw *, u32 *, u16, u16);
144 s32 ixgbe_check_for_msg(struct ixgbe_hw *, u16);
145 s32 ixgbe_check_for_ack(struct ixgbe_hw *, u16);
146 s32 ixgbe_check_for_rst(struct ixgbe_hw *, u16);
147 void ixgbe_init_mbx_ops_generic(struct ixgbe_hw *hw);
148 void ixgbe_init_mbx_params_vf(struct ixgbe_hw *);
149 void ixgbe_init_mbx_params_pf(struct ixgbe_hw *);
150
151 #endif /* _IXGBE_MBX_H_ */