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 enum 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 */ 57 enum 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 */ 67 enum 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 76 enum 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 87 struct hclge_ring_chain_param { 88 u8 ring_type; 89 u8 tqp_index; 90 u8 int_gl_index; 91 }; 92 93 struct hclge_basic_info { 94 u8 hw_tc_map; 95 u8 rsv; 96 __le16 mbx_api_version; 97 __le32 pf_caps; 98 }; 99 100 struct 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 }; 108 109 struct hclge_respond_to_vf_msg { 110 int status; 111 u8 data[HCLGE_MBX_MAX_RESP_DATA_SIZE]; 112 u16 len; 113 }; 114 115 struct 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 }; 136 137 struct 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 }; 153 154 struct 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 0 166 167 struct 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 }; 175 176 struct hclge_vf_rst_cmd { 177 u8 dest_vfid; 178 u8 vf_rst; 179 u8 rsv[22]; 180 }; 181 182 #pragma pack(1) 183 struct hclge_mbx_link_status { 184 __le16 link_status; 185 __le32 speed; 186 __le16 duplex; 187 u8 flag; 188 }; 189 190 struct hclge_mbx_link_mode { 191 __le16 idx; 192 __le64 link_mode; 193 }; 194 195 struct hclge_mbx_port_base_vlan { 196 __le16 state; 197 __le16 vlan_proto; 198 __le16 qos; 199 __le16 vlan_tag; 200 }; 201 202 struct hclge_mbx_vf_queue_info { 203 __le16 num_tqps; 204 __le16 rss_size; 205 __le16 rx_buf_len; 206 }; 207 208 struct hclge_mbx_vf_queue_depth { 209 __le16 num_tx_desc; 210 __le16 num_rx_desc; 211 }; 212 213 struct hclge_mbx_vlan_filter { 214 u8 is_kill; 215 __le16 vlan_id; 216 __le16 proto; 217 }; 218 219 struct 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 */ 226 struct 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 }; 235 236 struct hclge_dev; 237 238 #define HCLGE_MBX_OPCODE_MAX 256 239 struct 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 }; 244 245 typedef 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 257