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1/* SPDX-License-Identifier: GPL-2.0-only */2/* Huawei HiNIC PCI Express Linux driver3 * Copyright(c) 2017 Huawei Technologies Co., Ltd4 */5 6#ifndef HINIC_MBOX_H_7#define HINIC_MBOX_H_8 9#define HINIC_MBOX_PF_SEND_ERR 0x110#define HINIC_MBOX_PF_BUSY_ACTIVE_FW 0x211#define HINIC_MBOX_VF_CMD_ERROR 0x312 13#define HINIC_MAX_FUNCTIONS 51214 15#define HINIC_MAX_PF_FUNCS 1616 17#define HINIC_MBOX_WQ_NAME "hinic_mbox"18 19#define HINIC_FUNC_CSR_MAILBOX_DATA_OFF 0x8020#define HINIC_FUNC_CSR_MAILBOX_CONTROL_OFF 0x010021#define HINIC_FUNC_CSR_MAILBOX_INT_OFFSET_OFF 0x010422#define HINIC_FUNC_CSR_MAILBOX_RESULT_H_OFF 0x010823#define HINIC_FUNC_CSR_MAILBOX_RESULT_L_OFF 0x010C24 25#define MAX_FUNCTION_NUM 51226 27struct vf_cmd_check_handle {28 u8 cmd;29 bool (*check_cmd)(struct hinic_hwdev *hwdev, u16 src_func_idx,30 void *buf_in, u16 in_size);31};32 33enum hinic_mbox_ack_type {34 MBOX_ACK,35 MBOX_NO_ACK,36};37 38struct mbox_msg_info {39 u8 msg_id;40 u8 status;41};42 43struct hinic_recv_mbox {44 struct completion recv_done;45 void *mbox;46 u8 cmd;47 enum hinic_mod_type mod;48 u16 mbox_len;49 void *buf_out;50 enum hinic_mbox_ack_type ack_type;51 struct mbox_msg_info msg_info;52 u8 seq_id;53 atomic_t msg_cnt;54};55 56struct hinic_send_mbox {57 struct completion send_done;58 u8 *data;59 60 u64 *wb_status;61 void *wb_vaddr;62 dma_addr_t wb_paddr;63};64 65typedef void (*hinic_vf_mbox_cb)(void *handle, u8 cmd, void *buf_in,66 u16 in_size, void *buf_out, u16 *out_size);67typedef int (*hinic_pf_mbox_cb)(void *handle, u16 vf_id, u8 cmd, void *buf_in,68 u16 in_size, void *buf_out, u16 *out_size);69 70enum mbox_event_state {71 EVENT_START = 0,72 EVENT_FAIL,73 EVENT_TIMEOUT,74 EVENT_END,75};76 77enum hinic_mbox_cb_state {78 HINIC_VF_MBOX_CB_REG = 0,79 HINIC_VF_MBOX_CB_RUNNING,80 HINIC_PF_MBOX_CB_REG,81 HINIC_PF_MBOX_CB_RUNNING,82 HINIC_PPF_MBOX_CB_REG,83 HINIC_PPF_MBOX_CB_RUNNING,84 HINIC_PPF_TO_PF_MBOX_CB_REG,85 HINIC_PPF_TO_PF_MBOX_CB_RUNNIG,86};87 88struct hinic_mbox_func_to_func {89 struct hinic_hwdev *hwdev;90 struct hinic_hwif *hwif;91 92 struct semaphore mbox_send_sem;93 struct semaphore msg_send_sem;94 struct hinic_send_mbox send_mbox;95 96 struct workqueue_struct *workq;97 98 struct hinic_recv_mbox mbox_resp[HINIC_MAX_FUNCTIONS];99 struct hinic_recv_mbox mbox_send[HINIC_MAX_FUNCTIONS];100 101 hinic_vf_mbox_cb vf_mbox_cb[HINIC_MOD_MAX];102 hinic_pf_mbox_cb pf_mbox_cb[HINIC_MOD_MAX];103 unsigned long pf_mbox_cb_state[HINIC_MOD_MAX];104 unsigned long vf_mbox_cb_state[HINIC_MOD_MAX];105 106 u8 send_msg_id;107 enum mbox_event_state event_flag;108 109 /* lock for mbox event flag */110 spinlock_t mbox_lock;111 112 u32 vf_mbx_old_rand_id[MAX_FUNCTION_NUM];113 u32 vf_mbx_rand_id[MAX_FUNCTION_NUM];114 bool support_vf_random;115};116 117struct hinic_mbox_work {118 struct work_struct work;119 u16 src_func_idx;120 struct hinic_mbox_func_to_func *func_to_func;121 struct hinic_recv_mbox *recv_mbox;122};123 124struct vf_cmd_msg_handle {125 u8 cmd;126 int (*cmd_msg_handler)(void *hwdev, u16 vf_id,127 void *buf_in, u16 in_size,128 void *buf_out, u16 *out_size);129};130 131bool hinic_mbox_check_func_id_8B(struct hinic_hwdev *hwdev, u16 func_idx,132 void *buf_in, u16 in_size);133 134bool hinic_mbox_check_cmd_valid(struct hinic_hwdev *hwdev,135 struct vf_cmd_check_handle *cmd_handle,136 u16 vf_id, u8 cmd, void *buf_in,137 u16 in_size, u8 size);138 139int hinic_register_pf_mbox_cb(struct hinic_hwdev *hwdev,140 enum hinic_mod_type mod,141 hinic_pf_mbox_cb callback);142 143int hinic_register_vf_mbox_cb(struct hinic_hwdev *hwdev,144 enum hinic_mod_type mod,145 hinic_vf_mbox_cb callback);146 147void hinic_unregister_pf_mbox_cb(struct hinic_hwdev *hwdev,148 enum hinic_mod_type mod);149 150void hinic_unregister_vf_mbox_cb(struct hinic_hwdev *hwdev,151 enum hinic_mod_type mod);152 153int hinic_func_to_func_init(struct hinic_hwdev *hwdev);154 155void hinic_func_to_func_free(struct hinic_hwdev *hwdev);156 157int hinic_mbox_to_pf(struct hinic_hwdev *hwdev, enum hinic_mod_type mod,158 u8 cmd, void *buf_in, u16 in_size, void *buf_out,159 u16 *out_size, u32 timeout);160 161int hinic_mbox_to_func(struct hinic_mbox_func_to_func *func_to_func,162 enum hinic_mod_type mod, u16 cmd, u16 dst_func,163 void *buf_in, u16 in_size, void *buf_out,164 u16 *out_size, u32 timeout);165 166int hinic_mbox_to_vf(struct hinic_hwdev *hwdev,167 enum hinic_mod_type mod, u16 vf_id, u8 cmd, void *buf_in,168 u16 in_size, void *buf_out, u16 *out_size, u32 timeout);169 170int hinic_vf_mbox_random_id_init(struct hinic_hwdev *hwdev);171 172#endif173