linux/drivers/net/ethernet/hisilicon/hns3/hclge_mbx.h
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   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_TCINFO,           /* (VF -> PF) get TC config */
  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 */
  56enum 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 */
  66enum 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};
  73
  74enum hclge_mbx_tbl_cfg_subcode {
  75        HCLGE_MBX_VPORT_LIST_CLEAR,
  76};
  77
  78#define HCLGE_MBX_MAX_MSG_SIZE  14
  79#define HCLGE_MBX_MAX_RESP_DATA_SIZE    8U
  80#define HCLGE_MBX_MAX_RING_CHAIN_PARAM_NUM      4
  81
  82struct hclge_ring_chain_param {
  83        u8 ring_type;
  84        u8 tqp_index;
  85        u8 int_gl_index;
  86};
  87
  88struct hclgevf_mbx_resp_status {
  89        struct mutex mbx_mutex; /* protects against contending sync cmd resp */
  90        u32 origin_mbx_msg;
  91        bool received_resp;
  92        int resp_status;
  93        u8 additional_info[HCLGE_MBX_MAX_RESP_DATA_SIZE];
  94};
  95
  96struct hclge_respond_to_vf_msg {
  97        int status;
  98        u8 data[HCLGE_MBX_MAX_RESP_DATA_SIZE];
  99        u16 len;
 100};
 101
 102struct hclge_vf_to_pf_msg {
 103        u8 code;
 104        union {
 105                struct {
 106                        u8 subcode;
 107                        u8 data[HCLGE_MBX_MAX_MSG_SIZE];
 108                };
 109                struct {
 110                        u8 en_bc;
 111                        u8 en_uc;
 112                        u8 en_mc;
 113                        u8 en_limit_promisc;
 114                };
 115                struct {
 116                        u8 vector_id;
 117                        u8 ring_num;
 118                        struct hclge_ring_chain_param
 119                                param[HCLGE_MBX_MAX_RING_CHAIN_PARAM_NUM];
 120                };
 121        };
 122};
 123
 124struct hclge_pf_to_vf_msg {
 125        u16 code;
 126        u16 vf_mbx_msg_code;
 127        u16 vf_mbx_msg_subcode;
 128        u16 resp_status;
 129        u8 resp_data[HCLGE_MBX_MAX_RESP_DATA_SIZE];
 130};
 131
 132struct hclge_mbx_vf_to_pf_cmd {
 133        u8 rsv;
 134        u8 mbx_src_vfid; /* Auto filled by IMP */
 135        u8 mbx_need_resp;
 136        u8 rsv1[1];
 137        u8 msg_len;
 138        u8 rsv2;
 139        u16 match_id;
 140        struct hclge_vf_to_pf_msg msg;
 141};
 142
 143#define HCLGE_MBX_NEED_RESP_B           0
 144
 145struct hclge_mbx_pf_to_vf_cmd {
 146        u8 dest_vfid;
 147        u8 rsv[3];
 148        u8 msg_len;
 149        u8 rsv1;
 150        u16 match_id;
 151        struct hclge_pf_to_vf_msg msg;
 152};
 153
 154struct hclge_vf_rst_cmd {
 155        u8 dest_vfid;
 156        u8 vf_rst;
 157        u8 rsv[22];
 158};
 159
 160/* used by VF to store the received Async responses from PF */
 161struct hclgevf_mbx_arq_ring {
 162#define HCLGE_MBX_MAX_ARQ_MSG_SIZE      8
 163#define HCLGE_MBX_MAX_ARQ_MSG_NUM       1024
 164        struct hclgevf_dev *hdev;
 165        u32 head;
 166        u32 tail;
 167        atomic_t count;
 168        u16 msg_q[HCLGE_MBX_MAX_ARQ_MSG_NUM][HCLGE_MBX_MAX_ARQ_MSG_SIZE];
 169};
 170
 171#define hclge_mbx_ring_ptr_move_crq(crq) \
 172        (crq->next_to_use = (crq->next_to_use + 1) % crq->desc_num)
 173#define hclge_mbx_tail_ptr_move_arq(arq) \
 174                (arq.tail = (arq.tail + 1) % HCLGE_MBX_MAX_ARQ_MSG_NUM)
 175#define hclge_mbx_head_ptr_move_arq(arq) \
 176                (arq.head = (arq.head + 1) % HCLGE_MBX_MAX_ARQ_MSG_NUM)
 177
 178/* PF immediately push link status to VFs when link status changed */
 179#define HCLGE_MBX_PUSH_LINK_STATUS_EN                   BIT(0)
 180#endif
 181