aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/drivers/net/ethernet/hisilicon/hns3/hclge_mbx.h
blob: 948e67ef30fdf409afbbb5703ea0dd4c56dc0fd9 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
/* SPDX-License-Identifier: GPL-2.0+ */
/* Copyright (c) 2016-2017 Hisilicon Limited. */

#ifndef __HCLGE_MBX_H
#define __HCLGE_MBX_H
#include <linux/init.h>
#include <linux/mutex.h>
#include <linux/types.h>

enum HCLGE_MBX_OPCODE {
	HCLGE_MBX_RESET = 0x01,		/* (VF -> PF) assert reset */
	HCLGE_MBX_ASSERTING_RESET,	/* (PF -> VF) PF is asserting reset*/
	HCLGE_MBX_SET_UNICAST,		/* (VF -> PF) set UC addr */
	HCLGE_MBX_SET_MULTICAST,	/* (VF -> PF) set MC addr */
	HCLGE_MBX_SET_VLAN,		/* (VF -> PF) set VLAN */
	HCLGE_MBX_MAP_RING_TO_VECTOR,	/* (VF -> PF) map ring-to-vector */
	HCLGE_MBX_UNMAP_RING_TO_VECTOR,	/* (VF -> PF) unamp ring-to-vector */
	HCLGE_MBX_SET_PROMISC_MODE,	/* (VF -> PF) set promiscuous mode */
	HCLGE_MBX_SET_MACVLAN,		/* (VF -> PF) set unicast filter */
	HCLGE_MBX_API_NEGOTIATE,	/* (VF -> PF) negotiate API version */
	HCLGE_MBX_GET_QINFO,		/* (VF -> PF) get queue config */
	HCLGE_MBX_GET_QDEPTH,		/* (VF -> PF) get queue depth */
	HCLGE_MBX_GET_TCINFO,		/* (VF -> PF) get TC config */
	HCLGE_MBX_GET_RETA,		/* (VF -> PF) get RETA */
	HCLGE_MBX_GET_RSS_KEY,		/* (VF -> PF) get RSS key */
	HCLGE_MBX_GET_MAC_ADDR,		/* (VF -> PF) get MAC addr */
	HCLGE_MBX_PF_VF_RESP,		/* (PF -> VF) generate respone to VF */
	HCLGE_MBX_GET_BDNUM,		/* (VF -> PF) get BD num */
	HCLGE_MBX_GET_BUFSIZE,		/* (VF -> PF) get buffer size */
	HCLGE_MBX_GET_STREAMID,		/* (VF -> PF) get stream id */
	HCLGE_MBX_SET_AESTART,		/* (VF -> PF) start ae */
	HCLGE_MBX_SET_TSOSTATS,		/* (VF -> PF) get tso stats */
	HCLGE_MBX_LINK_STAT_CHANGE,	/* (PF -> VF) link status has changed */
	HCLGE_MBX_GET_BASE_CONFIG,	/* (VF -> PF) get config */
	HCLGE_MBX_BIND_FUNC_QUEUE,	/* (VF -> PF) bind function and queue */
	HCLGE_MBX_GET_LINK_STATUS,	/* (VF -> PF) get link status */
	HCLGE_MBX_QUEUE_RESET,		/* (VF -> PF) reset queue */
	HCLGE_MBX_KEEP_ALIVE,		/* (VF -> PF) send keep alive cmd */
	HCLGE_MBX_SET_ALIVE,		/* (VF -> PF) set alive state */
	HCLGE_MBX_SET_MTU,		/* (VF -> PF) set mtu */
	HCLGE_MBX_GET_QID_IN_PF,	/* (VF -> PF) get queue id in pf */
	HCLGE_MBX_LINK_STAT_MODE,	/* (PF -> VF) link mode has changed */
	HCLGE_MBX_GET_LINK_MODE,	/* (VF -> PF) get the link mode of pf */
	HCLGE_MBX_PUSH_VLAN_INFO,	/* (PF -> VF) push port base vlan */
	HCLGE_MBX_GET_MEDIA_TYPE,       /* (VF -> PF) get media type */
	HCLGE_MBX_PUSH_PROMISC_INFO,	/* (PF -> VF) push vf promisc info */
	HCLGE_MBX_VF_UNINIT,            /* (VF -> PF) vf is unintializing */

	HCLGE_MBX_GET_VF_FLR_STATUS = 200, /* (M7 -> PF) get vf flr status */
	HCLGE_MBX_PUSH_LINK_STATUS,	/* (M7 -> PF) get port link status */
	HCLGE_MBX_NCSI_ERROR,		/* (M7 -> PF) receive a NCSI error */
};

/* below are per-VF mac-vlan subcodes */
enum hclge_mbx_mac_vlan_subcode {
	HCLGE_MBX_MAC_VLAN_UC_MODIFY = 0,	/* modify UC mac addr */
	HCLGE_MBX_MAC_VLAN_UC_ADD,		/* add a new UC mac addr */
	HCLGE_MBX_MAC_VLAN_UC_REMOVE,		/* remove a new UC mac addr */
	HCLGE_MBX_MAC_VLAN_MC_MODIFY,		/* modify MC mac addr */
	HCLGE_MBX_MAC_VLAN_MC_ADD,		/* add new MC mac addr */
	HCLGE_MBX_MAC_VLAN_MC_REMOVE,		/* remove MC mac addr */
};

/* below are per-VF vlan cfg subcodes */
enum hclge_mbx_vlan_cfg_subcode {
	HCLGE_MBX_VLAN_FILTER = 0,	/* set vlan filter */
	HCLGE_MBX_VLAN_TX_OFF_CFG,	/* set tx side vlan offload */
	HCLGE_MBX_VLAN_RX_OFF_CFG,	/* set rx side vlan offload */
	HCLGE_MBX_PORT_BASE_VLAN_CFG,	/* set port based vlan configuration */
	HCLGE_MBX_GET_PORT_BASE_VLAN_STATE,	/* get port based vlan state */
};

#define HCLGE_MBX_MAX_MSG_SIZE	14
#define HCLGE_MBX_MAX_RESP_DATA_SIZE	8U
#define HCLGE_MBX_MAX_RING_CHAIN_PARAM_NUM	4

struct hclge_ring_chain_param {
	u8 ring_type;
	u8 tqp_index;
	u8 int_gl_index;
};

struct hclgevf_mbx_resp_status {
	struct mutex mbx_mutex; /* protects against contending sync cmd resp */
	u32 origin_mbx_msg;
	bool received_resp;
	int resp_status;
	u8 additional_info[HCLGE_MBX_MAX_RESP_DATA_SIZE];
};

struct hclge_respond_to_vf_msg {
	int status;
	u8 data[HCLGE_MBX_MAX_RESP_DATA_SIZE];
	u16 len;
};

struct hclge_vf_to_pf_msg {
	u8 code;
	union {
		struct {
			u8 subcode;
			u8 data[HCLGE_MBX_MAX_MSG_SIZE];
		};
		struct {
			u8 en_bc;
			u8 en_uc;
			u8 en_mc;
		};
		struct {
			u8 vector_id;
			u8 ring_num;
			struct hclge_ring_chain_param
				param[HCLGE_MBX_MAX_RING_CHAIN_PARAM_NUM];
		};
	};
};

struct hclge_pf_to_vf_msg {
	u16 code;
	u16 vf_mbx_msg_code;
	u16 vf_mbx_msg_subcode;
	u16 resp_status;
	u8 resp_data[HCLGE_MBX_MAX_RESP_DATA_SIZE];
};

struct hclge_mbx_vf_to_pf_cmd {
	u8 rsv;
	u8 mbx_src_vfid; /* Auto filled by IMP */
	u8 mbx_need_resp;
	u8 rsv1[1];
	u8 msg_len;
	u8 rsv2[3];
	struct hclge_vf_to_pf_msg msg;
};

#define HCLGE_MBX_NEED_RESP_B		0

struct hclge_mbx_pf_to_vf_cmd {
	u8 dest_vfid;
	u8 rsv[3];
	u8 msg_len;
	u8 rsv1[3];
	struct hclge_pf_to_vf_msg msg;
};

struct hclge_vf_rst_cmd {
	u8 dest_vfid;
	u8 vf_rst;
	u8 rsv[22];
};

/* used by VF to store the received Async responses from PF */
struct hclgevf_mbx_arq_ring {
#define HCLGE_MBX_MAX_ARQ_MSG_SIZE	8
#define HCLGE_MBX_MAX_ARQ_MSG_NUM	1024
	struct hclgevf_dev *hdev;
	u32 head;
	u32 tail;
	atomic_t count;
	u16 msg_q[HCLGE_MBX_MAX_ARQ_MSG_NUM][HCLGE_MBX_MAX_ARQ_MSG_SIZE];
};

#define hclge_mbx_ring_ptr_move_crq(crq) \
	(crq->next_to_use = (crq->next_to_use + 1) % crq->desc_num)
#define hclge_mbx_tail_ptr_move_arq(arq) \
	(arq.tail = (arq.tail + 1) % HCLGE_MBX_MAX_ARQ_MSG_SIZE)
#define hclge_mbx_head_ptr_move_arq(arq) \
		(arq.head = (arq.head + 1) % HCLGE_MBX_MAX_ARQ_MSG_SIZE)
#endif