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_TCINFO, /* (VF -> PF) get TC config */ 25 HCLGE_MBX_GET_RETA, /* (VF -> PF) get RETA */ 26 HCLGE_MBX_GET_RSS_KEY, /* (VF -> PF) get RSS key */ 27 HCLGE_MBX_GET_MAC_ADDR, /* (VF -> PF) get MAC addr */ 28 HCLGE_MBX_PF_VF_RESP, /* (PF -> VF) generate respone to VF */ 29 HCLGE_MBX_GET_BDNUM, /* (VF -> PF) get BD num */ 30 HCLGE_MBX_GET_BUFSIZE, /* (VF -> PF) get buffer size */ 31 HCLGE_MBX_GET_STREAMID, /* (VF -> PF) get stream id */ 32 HCLGE_MBX_SET_AESTART, /* (VF -> PF) start ae */ 33 HCLGE_MBX_SET_TSOSTATS, /* (VF -> PF) get tso stats */ 34 HCLGE_MBX_LINK_STAT_CHANGE, /* (PF -> VF) link status has changed */ 35 HCLGE_MBX_GET_BASE_CONFIG, /* (VF -> PF) get config */ 36 HCLGE_MBX_BIND_FUNC_QUEUE, /* (VF -> PF) bind function and queue */ 37 HCLGE_MBX_GET_LINK_STATUS, /* (VF -> PF) get link status */ 38 HCLGE_MBX_QUEUE_RESET, /* (VF -> PF) reset queue */ 39 }; 40 41 /* below are per-VF mac-vlan subcodes */ 42 enum hclge_mbx_mac_vlan_subcode { 43 HCLGE_MBX_MAC_VLAN_UC_MODIFY = 0, /* modify UC mac addr */ 44 HCLGE_MBX_MAC_VLAN_UC_ADD, /* add a new UC mac addr */ 45 HCLGE_MBX_MAC_VLAN_UC_REMOVE, /* remove a new UC mac addr */ 46 HCLGE_MBX_MAC_VLAN_MC_MODIFY, /* modify MC mac addr */ 47 HCLGE_MBX_MAC_VLAN_MC_ADD, /* add new MC mac addr */ 48 HCLGE_MBX_MAC_VLAN_MC_REMOVE, /* remove MC mac addr */ 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 #define HCLGE_MBX_RING_MAP_BASIC_MSG_NUM 3 61 #define HCLGE_MBX_RING_NODE_VARIABLE_NUM 3 62 63 struct hclgevf_mbx_resp_status { 64 struct mutex mbx_mutex; /* protects against contending sync cmd resp */ 65 u32 origin_mbx_msg; 66 bool received_resp; 67 int resp_status; 68 u8 additional_info[HCLGE_MBX_MAX_RESP_DATA_SIZE]; 69 }; 70 71 struct hclge_mbx_vf_to_pf_cmd { 72 u8 rsv; 73 u8 mbx_src_vfid; /* Auto filled by IMP */ 74 u8 rsv1[2]; 75 u8 msg_len; 76 u8 rsv2[3]; 77 u8 msg[HCLGE_MBX_MAX_MSG_SIZE]; 78 }; 79 80 struct hclge_mbx_pf_to_vf_cmd { 81 u8 dest_vfid; 82 u8 rsv[3]; 83 u8 msg_len; 84 u8 rsv1[3]; 85 u16 msg[8]; 86 }; 87 88 /* used by VF to store the received Async responses from PF */ 89 struct hclgevf_mbx_arq_ring { 90 #define HCLGE_MBX_MAX_ARQ_MSG_SIZE 8 91 #define HCLGE_MBX_MAX_ARQ_MSG_NUM 1024 92 struct hclgevf_dev *hdev; 93 u32 head; 94 u32 tail; 95 u32 count; 96 u16 msg_q[HCLGE_MBX_MAX_ARQ_MSG_NUM][HCLGE_MBX_MAX_ARQ_MSG_SIZE]; 97 }; 98 99 #define hclge_mbx_ring_ptr_move_crq(crq) \ 100 (crq->next_to_use = (crq->next_to_use + 1) % crq->desc_num) 101 #define hclge_mbx_tail_ptr_move_arq(arq) \ 102 (arq.tail = (arq.tail + 1) % HCLGE_MBX_MAX_ARQ_MSG_SIZE) 103 #define hclge_mbx_head_ptr_move_arq(arq) \ 104 (arq.head = (arq.head + 1) % HCLGE_MBX_MAX_ARQ_MSG_SIZE) 105 #endif 106