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_ASSERTING_RESET, /* (PF -> VF) PF is asserting reset*/
15 HCLGE_MBX_SET_UNICAST, /* (VF -> PF) set UC addr */
16 HCLGE_MBX_SET_MULTICAST, /* (VF -> PF) set MC addr */
17 HCLGE_MBX_SET_VLAN, /* (VF -> PF) set VLAN */
18 HCLGE_MBX_MAP_RING_TO_VECTOR, /* (VF -> PF) map ring-to-vector */
19 HCLGE_MBX_UNMAP_RING_TO_VECTOR, /* (VF -> PF) unamp ring-to-vector */
20 HCLGE_MBX_SET_PROMISC_MODE, /* (VF -> PF) set promiscuous mode */
21 HCLGE_MBX_SET_MACVLAN, /* (VF -> PF) set unicast filter */
22 HCLGE_MBX_API_NEGOTIATE, /* (VF -> PF) negotiate API version */
23 HCLGE_MBX_GET_QINFO, /* (VF -> PF) get queue config */
24 HCLGE_MBX_GET_QDEPTH, /* (VF -> PF) get queue depth */
25 HCLGE_MBX_GET_TCINFO, /* (VF -> PF) get TC config */
26 HCLGE_MBX_GET_RETA, /* (VF -> PF) get RETA */
27 HCLGE_MBX_GET_RSS_KEY, /* (VF -> PF) get RSS key */
28 HCLGE_MBX_GET_MAC_ADDR, /* (VF -> PF) get MAC addr */
29 HCLGE_MBX_PF_VF_RESP, /* (PF -> VF) generate respone to VF */
30 HCLGE_MBX_GET_BDNUM, /* (VF -> PF) get BD num */
31 HCLGE_MBX_GET_BUFSIZE, /* (VF -> PF) get buffer size */
32 HCLGE_MBX_GET_STREAMID, /* (VF -> PF) get stream id */
33 HCLGE_MBX_SET_AESTART, /* (VF -> PF) start ae */
34 HCLGE_MBX_SET_TSOSTATS, /* (VF -> PF) get tso stats */
35 HCLGE_MBX_LINK_STAT_CHANGE, /* (PF -> VF) link status has changed */
36 HCLGE_MBX_GET_BASE_CONFIG, /* (VF -> PF) get config */
37 HCLGE_MBX_BIND_FUNC_QUEUE, /* (VF -> PF) bind function and queue */
38 HCLGE_MBX_GET_LINK_STATUS, /* (VF -> PF) get link status */
39 HCLGE_MBX_QUEUE_RESET, /* (VF -> PF) reset queue */
40 HCLGE_MBX_KEEP_ALIVE, /* (VF -> PF) send keep alive cmd */
41 HCLGE_MBX_SET_ALIVE, /* (VF -> PF) set alive state */
42 HCLGE_MBX_SET_MTU, /* (VF -> PF) set mtu */
43 HCLGE_MBX_GET_QID_IN_PF, /* (VF -> PF) get queue id in pf */
44 HCLGE_MBX_LINK_STAT_MODE, /* (PF -> VF) link mode has changed */
45 HCLGE_MBX_GET_LINK_MODE, /* (VF -> PF) get the link mode of pf */
46 HCLGE_MBX_PUSH_VLAN_INFO, /* (PF -> VF) push port base vlan */
47 HCLGE_MBX_GET_MEDIA_TYPE, /* (VF -> PF) get media type */
48
49 HCLGE_MBX_GET_VF_FLR_STATUS = 200, /* (M7 -> PF) get vf reset status */
50 HCLGE_MBX_PUSH_LINK_STATUS, /* (M7 -> PF) get port link status */
51 HCLGE_MBX_NCSI_ERROR, /* (M7 -> PF) receive a NCSI error */
52 };
53
54 /* below are per-VF mac-vlan subcodes */
55 enum hclge_mbx_mac_vlan_subcode {
56 HCLGE_MBX_MAC_VLAN_UC_MODIFY = 0, /* modify UC mac addr */
57 HCLGE_MBX_MAC_VLAN_UC_ADD, /* add a new UC mac addr */
58 HCLGE_MBX_MAC_VLAN_UC_REMOVE, /* remove a new UC mac addr */
59 HCLGE_MBX_MAC_VLAN_MC_MODIFY, /* modify MC mac addr */
60 HCLGE_MBX_MAC_VLAN_MC_ADD, /* add new MC mac addr */
61 HCLGE_MBX_MAC_VLAN_MC_REMOVE, /* remove MC mac addr */
62 };
63
64 /* below are per-VF vlan cfg subcodes */
65 enum hclge_mbx_vlan_cfg_subcode {
66 HCLGE_MBX_VLAN_FILTER = 0, /* set vlan filter */
67 HCLGE_MBX_VLAN_TX_OFF_CFG, /* set tx side vlan offload */
68 HCLGE_MBX_VLAN_RX_OFF_CFG, /* set rx side vlan offload */
69 HCLGE_MBX_PORT_BASE_VLAN_CFG, /* set port based vlan configuration */
70 HCLGE_MBX_GET_PORT_BASE_VLAN_STATE, /* get port based vlan state */
71 };
72
73 #define HCLGE_MBX_MAX_MSG_SIZE 16
74 #define HCLGE_MBX_MAX_RESP_DATA_SIZE 8
75 #define HCLGE_MBX_RING_MAP_BASIC_MSG_NUM 3
76 #define HCLGE_MBX_RING_NODE_VARIABLE_NUM 3
77
78 struct hclgevf_mbx_resp_status {
79 struct mutex mbx_mutex; /* protects against contending sync cmd resp */
80 u32 origin_mbx_msg;
81 bool received_resp;
82 int resp_status;
83 u8 additional_info[HCLGE_MBX_MAX_RESP_DATA_SIZE];
84 };
85
86 struct hclge_mbx_vf_to_pf_cmd {
87 u8 rsv;
88 u8 mbx_src_vfid; /* Auto filled by IMP */
89 u8 mbx_need_resp;
90 u8 rsv1[1];
91 u8 msg_len;
92 u8 rsv2[3];
93 u8 msg[HCLGE_MBX_MAX_MSG_SIZE];
94 };
95
96 #define HCLGE_MBX_NEED_RESP_BIT BIT(0)
97
98 struct hclge_mbx_pf_to_vf_cmd {
99 u8 dest_vfid;
100 u8 rsv[3];
101 u8 msg_len;
102 u8 rsv1[3];
103 u16 msg[8];
104 };
105
106 struct hclge_vf_rst_cmd {
107 u8 dest_vfid;
108 u8 vf_rst;
109 u8 rsv[22];
110 };
111
112 /* used by VF to store the received Async responses from PF */
113 struct hclgevf_mbx_arq_ring {
114 #define HCLGE_MBX_MAX_ARQ_MSG_SIZE 8
115 #define HCLGE_MBX_MAX_ARQ_MSG_NUM 1024
116 struct hclgevf_dev *hdev;
117 u32 head;
118 u32 tail;
119 atomic_t count;
120 u16 msg_q[HCLGE_MBX_MAX_ARQ_MSG_NUM][HCLGE_MBX_MAX_ARQ_MSG_SIZE];
121 };
122
123 #define hclge_mbx_ring_ptr_move_crq(crq) \
124 (crq->next_to_use = (crq->next_to_use + 1) % crq->desc_num)
125 #define hclge_mbx_tail_ptr_move_arq(arq) \
126 (arq.tail = (arq.tail + 1) % HCLGE_MBX_MAX_ARQ_MSG_SIZE)
127 #define hclge_mbx_head_ptr_move_arq(arq) \
128 (arq.head = (arq.head + 1) % HCLGE_MBX_MAX_ARQ_MSG_SIZE)
129 #endif