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 50 HCLGE_MBX_GET_VF_FLR_STATUS = 200, /* (M7 -> PF) get vf flr status */ 51 HCLGE_MBX_PUSH_LINK_STATUS, /* (M7 -> PF) get port link status */ 52 HCLGE_MBX_NCSI_ERROR, /* (M7 -> PF) receive a NCSI error */ 53 }; 54 55 /* below are per-VF mac-vlan subcodes */ 56 enum hclge_mbx_mac_vlan_subcode { 57 HCLGE_MBX_MAC_VLAN_UC_MODIFY = 0, /* modify UC mac addr */ 58 HCLGE_MBX_MAC_VLAN_UC_ADD, /* add a new UC mac addr */ 59 HCLGE_MBX_MAC_VLAN_UC_REMOVE, /* remove a new UC mac addr */ 60 HCLGE_MBX_MAC_VLAN_MC_MODIFY, /* modify MC mac addr */ 61 HCLGE_MBX_MAC_VLAN_MC_ADD, /* add new MC mac addr */ 62 HCLGE_MBX_MAC_VLAN_MC_REMOVE, /* remove MC mac addr */ 63 }; 64 65 /* below are per-VF vlan cfg subcodes */ 66 enum hclge_mbx_vlan_cfg_subcode { 67 HCLGE_MBX_VLAN_FILTER = 0, /* set vlan filter */ 68 HCLGE_MBX_VLAN_TX_OFF_CFG, /* set tx side vlan offload */ 69 HCLGE_MBX_VLAN_RX_OFF_CFG, /* set rx side vlan offload */ 70 HCLGE_MBX_PORT_BASE_VLAN_CFG, /* set port based vlan configuration */ 71 HCLGE_MBX_GET_PORT_BASE_VLAN_STATE, /* get port based vlan state */ 72 HCLGE_MBX_ENABLE_VLAN_FILTER, 73 }; 74 75 enum hclge_mbx_tbl_cfg_subcode { 76 HCLGE_MBX_VPORT_LIST_CLEAR, 77 }; 78 79 #define HCLGE_MBX_MAX_MSG_SIZE 14 80 #define HCLGE_MBX_MAX_RESP_DATA_SIZE 8U 81 #define HCLGE_MBX_MAX_RING_CHAIN_PARAM_NUM 4 82 83 #define HCLGE_RESET_SCHED_TIMEOUT (3 * HZ) 84 #define HCLGE_MBX_SCHED_TIMEOUT (HZ / 2) 85 86 struct hclge_ring_chain_param { 87 u8 ring_type; 88 u8 tqp_index; 89 u8 int_gl_index; 90 }; 91 92 struct hclge_basic_info { 93 u8 hw_tc_map; 94 u8 rsv; 95 u16 mbx_api_version; 96 u32 pf_caps; 97 }; 98 99 struct hclgevf_mbx_resp_status { 100 struct mutex mbx_mutex; /* protects against contending sync cmd resp */ 101 u32 origin_mbx_msg; 102 bool received_resp; 103 int resp_status; 104 u16 match_id; 105 u8 additional_info[HCLGE_MBX_MAX_RESP_DATA_SIZE]; 106 }; 107 108 struct hclge_respond_to_vf_msg { 109 int status; 110 u8 data[HCLGE_MBX_MAX_RESP_DATA_SIZE]; 111 u16 len; 112 }; 113 114 struct hclge_vf_to_pf_msg { 115 u8 code; 116 union { 117 struct { 118 u8 subcode; 119 u8 data[HCLGE_MBX_MAX_MSG_SIZE]; 120 }; 121 struct { 122 u8 en_bc; 123 u8 en_uc; 124 u8 en_mc; 125 u8 en_limit_promisc; 126 }; 127 struct { 128 u8 vector_id; 129 u8 ring_num; 130 struct hclge_ring_chain_param 131 param[HCLGE_MBX_MAX_RING_CHAIN_PARAM_NUM]; 132 }; 133 }; 134 }; 135 136 struct hclge_pf_to_vf_msg { 137 u16 code; 138 u16 vf_mbx_msg_code; 139 u16 vf_mbx_msg_subcode; 140 u16 resp_status; 141 u8 resp_data[HCLGE_MBX_MAX_RESP_DATA_SIZE]; 142 }; 143 144 struct hclge_mbx_vf_to_pf_cmd { 145 u8 rsv; 146 u8 mbx_src_vfid; /* Auto filled by IMP */ 147 u8 mbx_need_resp; 148 u8 rsv1[1]; 149 u8 msg_len; 150 u8 rsv2; 151 u16 match_id; 152 struct hclge_vf_to_pf_msg msg; 153 }; 154 155 #define HCLGE_MBX_NEED_RESP_B 0 156 157 struct hclge_mbx_pf_to_vf_cmd { 158 u8 dest_vfid; 159 u8 rsv[3]; 160 u8 msg_len; 161 u8 rsv1; 162 u16 match_id; 163 struct hclge_pf_to_vf_msg msg; 164 }; 165 166 struct hclge_vf_rst_cmd { 167 u8 dest_vfid; 168 u8 vf_rst; 169 u8 rsv[22]; 170 }; 171 172 /* used by VF to store the received Async responses from PF */ 173 struct hclgevf_mbx_arq_ring { 174 #define HCLGE_MBX_MAX_ARQ_MSG_SIZE 8 175 #define HCLGE_MBX_MAX_ARQ_MSG_NUM 1024 176 struct hclgevf_dev *hdev; 177 u32 head; 178 u32 tail; 179 atomic_t count; 180 u16 msg_q[HCLGE_MBX_MAX_ARQ_MSG_NUM][HCLGE_MBX_MAX_ARQ_MSG_SIZE]; 181 }; 182 183 #define hclge_mbx_ring_ptr_move_crq(crq) \ 184 (crq->next_to_use = (crq->next_to_use + 1) % crq->desc_num) 185 #define hclge_mbx_tail_ptr_move_arq(arq) \ 186 (arq.tail = (arq.tail + 1) % HCLGE_MBX_MAX_ARQ_MSG_NUM) 187 #define hclge_mbx_head_ptr_move_arq(arq) \ 188 (arq.head = (arq.head + 1) % HCLGE_MBX_MAX_ARQ_MSG_NUM) 189 190 /* PF immediately push link status to VFs when link status changed */ 191 #define HCLGE_MBX_PUSH_LINK_STATUS_EN BIT(0) 192 #endif 193