drivers/net/ethernet/hisilicon/hns3/hclge_mbx.h

   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