1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /* Copyright (c) 2016-2017 Hisilicon Limited. */
3 
4 #ifndef __HCLGE_MBX_H
5 #define __HCLGE_MBX_H
6 #include <linux/init.h>
7 #include <linux/mutex.h>
8 #include <linux/types.h>
9 
10 #define HCLGE_MBX_VF_MSG_DATA_NUM	16
11 
12 enum HCLGE_MBX_OPCODE {
13 	HCLGE_MBX_RESET = 0x01,		/* (VF -> PF) assert reset */
14 	HCLGE_MBX_SET_UNICAST,		/* (VF -> PF) set UC addr */
15 	HCLGE_MBX_SET_MULTICAST,	/* (VF -> PF) set MC addr */
16 	HCLGE_MBX_SET_VLAN,		/* (VF -> PF) set VLAN */
17 	HCLGE_MBX_MAP_RING_TO_VECTOR,	/* (VF -> PF) map ring-to-vector */
18 	HCLGE_MBX_UNMAP_RING_TO_VECTOR,	/* (VF -> PF) unamp ring-to-vector */
19 	HCLGE_MBX_SET_PROMISC_MODE,	/* (VF -> PF) set promiscuous mode */
20 	HCLGE_MBX_SET_MACVLAN,		/* (VF -> PF) set unicast filter */
21 	HCLGE_MBX_API_NEGOTIATE,	/* (VF -> PF) negotiate API version */
22 	HCLGE_MBX_GET_QINFO,		/* (VF -> PF) get queue config */
23 	HCLGE_MBX_GET_TCINFO,		/* (VF -> PF) get TC config */
24 	HCLGE_MBX_GET_RETA,		/* (VF -> PF) get RETA */
25 	HCLGE_MBX_GET_RSS_KEY,		/* (VF -> PF) get RSS key */
26 	HCLGE_MBX_GET_MAC_ADDR,		/* (VF -> PF) get MAC addr */
27 	HCLGE_MBX_PF_VF_RESP,		/* (PF -> VF) generate respone to VF */
28 	HCLGE_MBX_GET_BDNUM,		/* (VF -> PF) get BD num */
29 	HCLGE_MBX_GET_BUFSIZE,		/* (VF -> PF) get buffer size */
30 	HCLGE_MBX_GET_STREAMID,		/* (VF -> PF) get stream id */
31 	HCLGE_MBX_SET_AESTART,		/* (VF -> PF) start ae */
32 	HCLGE_MBX_SET_TSOSTATS,		/* (VF -> PF) get tso stats */
33 	HCLGE_MBX_LINK_STAT_CHANGE,	/* (PF -> VF) link status has changed */
34 	HCLGE_MBX_GET_BASE_CONFIG,	/* (VF -> PF) get config */
35 	HCLGE_MBX_BIND_FUNC_QUEUE,	/* (VF -> PF) bind function and queue */
36 	HCLGE_MBX_GET_LINK_STATUS,	/* (VF -> PF) get link status */
37 	HCLGE_MBX_QUEUE_RESET,		/* (VF -> PF) reset queue */
38 };
39 
40 /* below are per-VF mac-vlan subcodes */
41 enum hclge_mbx_mac_vlan_subcode {
42 	HCLGE_MBX_MAC_VLAN_UC_MODIFY = 0,	/* modify UC mac addr */
43 	HCLGE_MBX_MAC_VLAN_UC_ADD,		/* add a new UC mac addr */
44 	HCLGE_MBX_MAC_VLAN_UC_REMOVE,		/* remove a new UC mac addr */
45 	HCLGE_MBX_MAC_VLAN_MC_MODIFY,		/* modify MC mac addr */
46 	HCLGE_MBX_MAC_VLAN_MC_ADD,		/* add new MC mac addr */
47 	HCLGE_MBX_MAC_VLAN_MC_REMOVE,		/* remove MC mac addr */
48 	HCLGE_MBX_MAC_VLAN_MC_FUNC_MTA_ENABLE,	/* config func MTA enable */
49 };
50 
51 /* below are per-VF vlan cfg subcodes */
52 enum hclge_mbx_vlan_cfg_subcode {
53 	HCLGE_MBX_VLAN_FILTER = 0,	/* set vlan filter */
54 	HCLGE_MBX_VLAN_TX_OFF_CFG,	/* set tx side vlan offload */
55 	HCLGE_MBX_VLAN_RX_OFF_CFG,	/* set rx side vlan offload */
56 };
57 
58 #define HCLGE_MBX_MAX_MSG_SIZE	16
59 #define HCLGE_MBX_MAX_RESP_DATA_SIZE	8
60 
61 struct hclgevf_mbx_resp_status {
62 	struct mutex mbx_mutex; /* protects against contending sync cmd resp */
63 	u32 origin_mbx_msg;
64 	bool received_resp;
65 	int resp_status;
66 	u8 additional_info[HCLGE_MBX_MAX_RESP_DATA_SIZE];
67 };
68 
69 struct hclge_mbx_vf_to_pf_cmd {
70 	u8 rsv;
71 	u8 mbx_src_vfid; /* Auto filled by IMP */
72 	u8 rsv1[2];
73 	u8 msg_len;
74 	u8 rsv2[3];
75 	u8 msg[HCLGE_MBX_MAX_MSG_SIZE];
76 };
77 
78 struct hclge_mbx_pf_to_vf_cmd {
79 	u8 dest_vfid;
80 	u8 rsv[3];
81 	u8 msg_len;
82 	u8 rsv1[3];
83 	u16 msg[8];
84 };
85 
86 #define hclge_mbx_ring_ptr_move_crq(crq) \
87 	(crq->next_to_use = (crq->next_to_use + 1) % crq->desc_num)
88 #endif
89