1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | /* Copyright(c) 1999 - 2018 Intel Corporation. */ |
3 | |
4 | #ifndef _IXGBE_MBX_H_ |
5 | #define _IXGBE_MBX_H_ |
6 | |
7 | #include "ixgbe_type.h" |
8 | |
9 | #define IXGBE_VFMAILBOX_SIZE 16 /* 16 32 bit words - 64 bytes */ |
10 | #define IXGBE_ERR_MBX -100 |
11 | |
12 | #define IXGBE_VFMAILBOX 0x002FC |
13 | #define IXGBE_VFMBMEM 0x00200 |
14 | |
15 | #define IXGBE_PFMAILBOX_STS 0x00000001 /* Initiate message send to VF */ |
16 | #define IXGBE_PFMAILBOX_ACK 0x00000002 /* Ack message recv'd from VF */ |
17 | #define IXGBE_PFMAILBOX_VFU 0x00000004 /* VF owns the mailbox buffer */ |
18 | #define IXGBE_PFMAILBOX_PFU 0x00000008 /* PF owns the mailbox buffer */ |
19 | #define IXGBE_PFMAILBOX_RVFU 0x00000010 /* Reset VFU - used when VF stuck */ |
20 | |
21 | #define IXGBE_MBVFICR_VFREQ_MASK 0x0000FFFF /* bits for VF messages */ |
22 | #define IXGBE_MBVFICR_VFREQ_VF1 0x00000001 /* bit for VF 1 message */ |
23 | #define IXGBE_MBVFICR_VFACK_MASK 0xFFFF0000 /* bits for VF acks */ |
24 | #define IXGBE_MBVFICR_VFACK_VF1 0x00010000 /* bit for VF 1 ack */ |
25 | |
26 | |
27 | /* If it's a IXGBE_VF_* msg then it originates in the VF and is sent to the |
28 | * PF. The reverse is true if it is IXGBE_PF_*. |
29 | * Message ACK's are the value or'd with 0xF0000000 |
30 | */ |
31 | #define IXGBE_VT_MSGTYPE_ACK 0x80000000 /* Messages below or'd with |
32 | * this are the ACK */ |
33 | #define IXGBE_VT_MSGTYPE_NACK 0x40000000 /* Messages below or'd with |
34 | * this are the NACK */ |
35 | #define IXGBE_VT_MSGTYPE_CTS 0x20000000 /* Indicates that VF is still |
36 | clear to send requests */ |
37 | #define IXGBE_VT_MSGINFO_SHIFT 16 |
38 | /* bits 23:16 are used for exra info for certain messages */ |
39 | #define IXGBE_VT_MSGINFO_MASK (0xFF << IXGBE_VT_MSGINFO_SHIFT) |
40 | |
41 | /* definitions to support mailbox API version negotiation */ |
42 | |
43 | /* |
44 | * Each element denotes a version of the API; existing numbers may not |
45 | * change; any additions must go at the end |
46 | */ |
47 | enum ixgbe_pfvf_api_rev { |
48 | ixgbe_mbox_api_10, /* API version 1.0, linux/freebsd VF driver */ |
49 | ixgbe_mbox_api_20, /* API version 2.0, solaris Phase1 VF driver */ |
50 | ixgbe_mbox_api_11, /* API version 1.1, linux/freebsd VF driver */ |
51 | ixgbe_mbox_api_12, /* API version 1.2, linux/freebsd VF driver */ |
52 | ixgbe_mbox_api_13, /* API version 1.3, linux/freebsd VF driver */ |
53 | ixgbe_mbox_api_14, /* API version 1.4, linux/freebsd VF driver */ |
54 | /* This value should always be last */ |
55 | ixgbe_mbox_api_unknown, /* indicates that API version is not known */ |
56 | }; |
57 | |
58 | /* mailbox API, legacy requests */ |
59 | #define IXGBE_VF_RESET 0x01 /* VF requests reset */ |
60 | #define IXGBE_VF_SET_MAC_ADDR 0x02 /* VF requests PF to set MAC addr */ |
61 | #define IXGBE_VF_SET_MULTICAST 0x03 /* VF requests PF to set MC addr */ |
62 | #define IXGBE_VF_SET_VLAN 0x04 /* VF requests PF to set VLAN */ |
63 | |
64 | /* mailbox API, version 1.0 VF requests */ |
65 | #define IXGBE_VF_SET_LPE 0x05 /* VF requests PF to set VMOLR.LPE */ |
66 | #define IXGBE_VF_SET_MACVLAN 0x06 /* VF requests PF for unicast filter */ |
67 | #define IXGBE_VF_API_NEGOTIATE 0x08 /* negotiate API version */ |
68 | |
69 | /* mailbox API, version 1.1 VF requests */ |
70 | #define IXGBE_VF_GET_QUEUES 0x09 /* get queue configuration */ |
71 | |
72 | /* GET_QUEUES return data indices within the mailbox */ |
73 | #define IXGBE_VF_TX_QUEUES 1 /* number of Tx queues supported */ |
74 | #define IXGBE_VF_RX_QUEUES 2 /* number of Rx queues supported */ |
75 | #define IXGBE_VF_TRANS_VLAN 3 /* Indication of port vlan */ |
76 | #define IXGBE_VF_DEF_QUEUE 4 /* Default queue offset */ |
77 | |
78 | /* mailbox API, version 1.2 VF requests */ |
79 | #define IXGBE_VF_GET_RETA 0x0a /* VF request for RETA */ |
80 | #define 0x0b /* get RSS key */ |
81 | |
82 | #define IXGBE_VF_UPDATE_XCAST_MODE 0x0c |
83 | |
84 | /* mailbox API, version 1.4 VF requests */ |
85 | #define IXGBE_VF_IPSEC_ADD 0x0d |
86 | #define IXGBE_VF_IPSEC_DEL 0x0e |
87 | |
88 | #define IXGBE_VF_GET_LINK_STATE 0x10 /* get vf link state */ |
89 | |
90 | /* length of permanent address message returned from PF */ |
91 | #define IXGBE_VF_PERMADDR_MSG_LEN 4 |
92 | /* word in permanent address message with the current multicast type */ |
93 | #define IXGBE_VF_MC_TYPE_WORD 3 |
94 | |
95 | #define IXGBE_PF_CONTROL_MSG 0x0100 /* PF control message */ |
96 | |
97 | #define IXGBE_VF_MBX_INIT_TIMEOUT 2000 /* number of retries on mailbox */ |
98 | #define IXGBE_VF_MBX_INIT_DELAY 500 /* microseconds between retries */ |
99 | |
100 | s32 ixgbe_read_mbx(struct ixgbe_hw *, u32 *, u16, u16); |
101 | s32 ixgbe_write_mbx(struct ixgbe_hw *, u32 *, u16, u16); |
102 | s32 ixgbe_check_for_msg(struct ixgbe_hw *, u16); |
103 | s32 ixgbe_check_for_ack(struct ixgbe_hw *, u16); |
104 | s32 ixgbe_check_for_rst(struct ixgbe_hw *, u16); |
105 | #ifdef CONFIG_PCI_IOV |
106 | void ixgbe_init_mbx_params_pf(struct ixgbe_hw *); |
107 | #endif /* CONFIG_PCI_IOV */ |
108 | |
109 | extern const struct ixgbe_mbx_operations mbx_ops_generic; |
110 | |
111 | #endif /* _IXGBE_MBX_H_ */ |
112 | |