Loading...
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
10enum HCLGE_MBX_OPCODE {
11 HCLGE_MBX_RESET = 0x01, /* (VF -> PF) assert reset */
12 HCLGE_MBX_ASSERTING_RESET, /* (PF -> VF) PF is asserting reset */
13 HCLGE_MBX_SET_UNICAST, /* (VF -> PF) set UC addr */
14 HCLGE_MBX_SET_MULTICAST, /* (VF -> PF) set MC addr */
15 HCLGE_MBX_SET_VLAN, /* (VF -> PF) set VLAN */
16 HCLGE_MBX_MAP_RING_TO_VECTOR, /* (VF -> PF) map ring-to-vector */
17 HCLGE_MBX_UNMAP_RING_TO_VECTOR, /* (VF -> PF) unamp ring-to-vector */
18 HCLGE_MBX_SET_PROMISC_MODE, /* (VF -> PF) set promiscuous mode */
19 HCLGE_MBX_SET_MACVLAN, /* (VF -> PF) set unicast filter */
20 HCLGE_MBX_API_NEGOTIATE, /* (VF -> PF) negotiate API version */
21 HCLGE_MBX_GET_QINFO, /* (VF -> PF) get queue config */
22 HCLGE_MBX_GET_QDEPTH, /* (VF -> PF) get queue depth */
23 HCLGE_MBX_GET_BASIC_INFO, /* (VF -> PF) get basic info */
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 response 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 HCLGE_MBX_KEEP_ALIVE, /* (VF -> PF) send keep alive cmd */
39 HCLGE_MBX_SET_ALIVE, /* (VF -> PF) set alive state */
40 HCLGE_MBX_SET_MTU, /* (VF -> PF) set mtu */
41 HCLGE_MBX_GET_QID_IN_PF, /* (VF -> PF) get queue id in pf */
42 HCLGE_MBX_LINK_STAT_MODE, /* (PF -> VF) link mode has changed */
43 HCLGE_MBX_GET_LINK_MODE, /* (VF -> PF) get the link mode of pf */
44 HCLGE_MBX_PUSH_VLAN_INFO, /* (PF -> VF) push port base vlan */
45 HCLGE_MBX_GET_MEDIA_TYPE, /* (VF -> PF) get media type */
46 HCLGE_MBX_PUSH_PROMISC_INFO, /* (PF -> VF) push vf promisc info */
47 HCLGE_MBX_VF_UNINIT, /* (VF -> PF) vf is unintializing */
48 HCLGE_MBX_HANDLE_VF_TBL, /* (VF -> PF) store/clear hw table */
49 HCLGE_MBX_GET_RING_VECTOR_MAP, /* (VF -> PF) get ring-to-vector map */
50
51 HCLGE_MBX_GET_VF_FLR_STATUS = 200, /* (M7 -> PF) get vf flr status */
52 HCLGE_MBX_PUSH_LINK_STATUS, /* (M7 -> PF) get port link status */
53 HCLGE_MBX_NCSI_ERROR, /* (M7 -> PF) receive a NCSI error */
54};
55
56/* below are per-VF mac-vlan subcodes */
57enum hclge_mbx_mac_vlan_subcode {
58 HCLGE_MBX_MAC_VLAN_UC_MODIFY = 0, /* modify UC mac addr */
59 HCLGE_MBX_MAC_VLAN_UC_ADD, /* add a new UC mac addr */
60 HCLGE_MBX_MAC_VLAN_UC_REMOVE, /* remove a new UC mac addr */
61 HCLGE_MBX_MAC_VLAN_MC_MODIFY, /* modify MC mac addr */
62 HCLGE_MBX_MAC_VLAN_MC_ADD, /* add new MC mac addr */
63 HCLGE_MBX_MAC_VLAN_MC_REMOVE, /* remove MC mac addr */
64};
65
66/* below are per-VF vlan cfg subcodes */
67enum hclge_mbx_vlan_cfg_subcode {
68 HCLGE_MBX_VLAN_FILTER = 0, /* set vlan filter */
69 HCLGE_MBX_VLAN_TX_OFF_CFG, /* set tx side vlan offload */
70 HCLGE_MBX_VLAN_RX_OFF_CFG, /* set rx side vlan offload */
71 HCLGE_MBX_PORT_BASE_VLAN_CFG, /* set port based vlan configuration */
72 HCLGE_MBX_GET_PORT_BASE_VLAN_STATE, /* get port based vlan state */
73 HCLGE_MBX_ENABLE_VLAN_FILTER,
74};
75
76enum hclge_mbx_tbl_cfg_subcode {
77 HCLGE_MBX_VPORT_LIST_CLEAR,
78};
79
80#define HCLGE_MBX_MAX_MSG_SIZE 14
81#define HCLGE_MBX_MAX_RESP_DATA_SIZE 8U
82#define HCLGE_MBX_MAX_RING_CHAIN_PARAM_NUM 4
83
84#define HCLGE_RESET_SCHED_TIMEOUT (3 * HZ)
85#define HCLGE_MBX_SCHED_TIMEOUT (HZ / 2)
86
87struct hclge_ring_chain_param {
88 u8 ring_type;
89 u8 tqp_index;
90 u8 int_gl_index;
91};
92
93struct hclge_basic_info {
94 u8 hw_tc_map;
95 u8 rsv;
96 __le16 mbx_api_version;
97 __le32 pf_caps;
98};
99
100struct hclgevf_mbx_resp_status {
101 struct mutex mbx_mutex; /* protects against contending sync cmd resp */
102 u32 origin_mbx_msg;
103 bool received_resp;
104 int resp_status;
105 u16 match_id;
106 u8 additional_info[HCLGE_MBX_MAX_RESP_DATA_SIZE];
107};
108
109struct hclge_respond_to_vf_msg {
110 int status;
111 u8 data[HCLGE_MBX_MAX_RESP_DATA_SIZE];
112 u16 len;
113};
114
115struct hclge_vf_to_pf_msg {
116 u8 code;
117 union {
118 struct {
119 u8 subcode;
120 u8 data[HCLGE_MBX_MAX_MSG_SIZE];
121 };
122 struct {
123 u8 en_bc;
124 u8 en_uc;
125 u8 en_mc;
126 u8 en_limit_promisc;
127 };
128 struct {
129 u8 vector_id;
130 u8 ring_num;
131 struct hclge_ring_chain_param
132 param[HCLGE_MBX_MAX_RING_CHAIN_PARAM_NUM];
133 };
134 };
135};
136
137struct hclge_pf_to_vf_msg {
138 __le16 code;
139 union {
140 /* used for mbx response */
141 struct {
142 __le16 vf_mbx_msg_code;
143 __le16 vf_mbx_msg_subcode;
144 __le16 resp_status;
145 u8 resp_data[HCLGE_MBX_MAX_RESP_DATA_SIZE];
146 };
147 /* used for general mbx */
148 struct {
149 u8 msg_data[HCLGE_MBX_MAX_MSG_SIZE];
150 };
151 };
152};
153
154struct hclge_mbx_vf_to_pf_cmd {
155 u8 rsv;
156 u8 mbx_src_vfid; /* Auto filled by IMP */
157 u8 mbx_need_resp;
158 u8 rsv1[1];
159 u8 msg_len;
160 u8 rsv2;
161 __le16 match_id;
162 struct hclge_vf_to_pf_msg msg;
163};
164
165#define HCLGE_MBX_NEED_RESP_B 0
166
167struct hclge_mbx_pf_to_vf_cmd {
168 u8 dest_vfid;
169 u8 rsv[3];
170 u8 msg_len;
171 u8 rsv1;
172 __le16 match_id;
173 struct hclge_pf_to_vf_msg msg;
174};
175
176struct hclge_vf_rst_cmd {
177 u8 dest_vfid;
178 u8 vf_rst;
179 u8 rsv[22];
180};
181
182#pragma pack(1)
183struct hclge_mbx_link_status {
184 __le16 link_status;
185 __le32 speed;
186 __le16 duplex;
187 u8 flag;
188};
189
190struct hclge_mbx_link_mode {
191 __le16 idx;
192 __le64 link_mode;
193};
194
195struct hclge_mbx_port_base_vlan {
196 __le16 state;
197 __le16 vlan_proto;
198 __le16 qos;
199 __le16 vlan_tag;
200};
201
202struct hclge_mbx_vf_queue_info {
203 __le16 num_tqps;
204 __le16 rss_size;
205 __le16 rx_buf_len;
206};
207
208struct hclge_mbx_vf_queue_depth {
209 __le16 num_tx_desc;
210 __le16 num_rx_desc;
211};
212
213struct hclge_mbx_vlan_filter {
214 u8 is_kill;
215 __le16 vlan_id;
216 __le16 proto;
217};
218
219struct hclge_mbx_mtu_info {
220 __le32 mtu;
221};
222
223#pragma pack()
224
225/* used by VF to store the received Async responses from PF */
226struct hclgevf_mbx_arq_ring {
227#define HCLGE_MBX_MAX_ARQ_MSG_SIZE 8
228#define HCLGE_MBX_MAX_ARQ_MSG_NUM 1024
229 struct hclgevf_dev *hdev;
230 u32 head;
231 u32 tail;
232 atomic_t count;
233 __le16 msg_q[HCLGE_MBX_MAX_ARQ_MSG_NUM][HCLGE_MBX_MAX_ARQ_MSG_SIZE];
234};
235
236struct hclge_dev;
237
238#define HCLGE_MBX_OPCODE_MAX 256
239struct hclge_mbx_ops_param {
240 struct hclge_vport *vport;
241 struct hclge_mbx_vf_to_pf_cmd *req;
242 struct hclge_respond_to_vf_msg *resp_msg;
243};
244
245typedef int (*hclge_mbx_ops_fn)(struct hclge_mbx_ops_param *param);
246
247#define hclge_mbx_ring_ptr_move_crq(crq) \
248 (crq->next_to_use = (crq->next_to_use + 1) % crq->desc_num)
249#define hclge_mbx_tail_ptr_move_arq(arq) \
250 (arq.tail = (arq.tail + 1) % HCLGE_MBX_MAX_ARQ_MSG_NUM)
251#define hclge_mbx_head_ptr_move_arq(arq) \
252 (arq.head = (arq.head + 1) % HCLGE_MBX_MAX_ARQ_MSG_NUM)
253
254/* PF immediately push link status to VFs when link status changed */
255#define HCLGE_MBX_PUSH_LINK_STATUS_EN BIT(0)
256#endif