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 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