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1/* SPDX-License-Identifier: GPL-2.0+ */2/* Copyright (c) 2016-2017 Hisilicon Limited. */3 4#ifndef __HCLGE_MBX_H5#define __HCLGE_MBX_H6#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_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 */57enum 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 */67enum 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 76enum hclge_mbx_tbl_cfg_subcode {77 HCLGE_MBX_VPORT_LIST_CLEAR,78};79 80#define HCLGE_MBX_MAX_MSG_SIZE 1481#define HCLGE_MBX_MAX_RESP_DATA_SIZE 8U82#define HCLGE_MBX_MAX_RING_CHAIN_PARAM_NUM 483 84#define HCLGE_RESET_SCHED_TIMEOUT (3 * HZ)85#define HCLGE_MBX_SCHED_TIMEOUT (HZ / 2)86 87struct hclge_ring_chain_param {88 u8 ring_type;89 u8 tqp_index;90 u8 int_gl_index;91};92 93struct hclge_basic_info {94 u8 hw_tc_map;95 u8 rsv;96 __le16 mbx_api_version;97 __le32 pf_caps;98};99 100struct 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 109struct hclge_respond_to_vf_msg {110 int status;111 u8 data[HCLGE_MBX_MAX_RESP_DATA_SIZE];112 u16 len;113};114 115struct 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_param132 param[HCLGE_MBX_MAX_RING_CHAIN_PARAM_NUM];133 };134 };135};136 137struct 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 154struct 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 0166 167struct 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 176struct hclge_vf_rst_cmd {177 u8 dest_vfid;178 u8 vf_rst;179 u8 rsv[22];180};181 182#pragma pack(1)183struct hclge_mbx_link_status {184 __le16 link_status;185 __le32 speed;186 __le16 duplex;187 u8 flag;188};189 190struct hclge_mbx_link_mode {191 __le16 idx;192 __le64 link_mode;193};194 195struct hclge_mbx_port_base_vlan {196 __le16 state;197 __le16 vlan_proto;198 __le16 qos;199 __le16 vlan_tag;200};201 202struct hclge_mbx_vf_queue_info {203 __le16 num_tqps;204 __le16 rss_size;205 __le16 rx_buf_len;206};207 208struct hclge_mbx_vf_queue_depth {209 __le16 num_tx_desc;210 __le16 num_rx_desc;211};212 213struct hclge_mbx_vlan_filter {214 u8 is_kill;215 __le16 vlan_id;216 __le16 proto;217};218 219struct 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 */226struct hclgevf_mbx_arq_ring {227#define HCLGE_MBX_MAX_ARQ_MSG_SIZE 8228#define HCLGE_MBX_MAX_ARQ_MSG_NUM 1024229 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 236struct hclge_dev;237 238#define HCLGE_MBX_OPCODE_MAX 256239struct 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 245typedef 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#endif257