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