// SPDX-License-Identifier: GPL-2.0-only /* Huawei HiNIC PCI Express Linux driver * Copyright(c) 2017 Huawei Technologies Co., Ltd */ #include <linux/pci.h> #include <linux/delay.h> #include <linux/types.h> #include <linux/completion.h> #include <linux/semaphore.h> #include <linux/spinlock.h> #include <linux/workqueue.h> #include "hinic_hw_if.h" #include "hinic_hw_mgmt.h" #include "hinic_hw_csr.h" #include "hinic_hw_dev.h" #include "hinic_hw_mbox.h" #define HINIC_MBOX_INT_DST_FUNC_SHIFT … #define HINIC_MBOX_INT_DST_AEQN_SHIFT … #define HINIC_MBOX_INT_SRC_RESP_AEQN_SHIFT … #define HINIC_MBOX_INT_STAT_DMA_SHIFT … /* The size of data to be sended (unit of 4 bytes) */ #define HINIC_MBOX_INT_TX_SIZE_SHIFT … /* SO_RO(strong order, relax order) */ #define HINIC_MBOX_INT_STAT_DMA_SO_RO_SHIFT … #define HINIC_MBOX_INT_WB_EN_SHIFT … #define HINIC_MBOX_INT_DST_FUNC_MASK … #define HINIC_MBOX_INT_DST_AEQN_MASK … #define HINIC_MBOX_INT_SRC_RESP_AEQN_MASK … #define HINIC_MBOX_INT_STAT_DMA_MASK … #define HINIC_MBOX_INT_TX_SIZE_MASK … #define HINIC_MBOX_INT_STAT_DMA_SO_RO_MASK … #define HINIC_MBOX_INT_WB_EN_MASK … #define HINIC_MBOX_INT_SET(val, field) … enum hinic_mbox_tx_status { … }; #define HINIC_MBOX_CTRL_TRIGGER_AEQE_SHIFT … /* specifies the issue request for the message data. * 0 - Tx request is done; * 1 - Tx request is in process. */ #define HINIC_MBOX_CTRL_TX_STATUS_SHIFT … #define HINIC_MBOX_CTRL_TRIGGER_AEQE_MASK … #define HINIC_MBOX_CTRL_TX_STATUS_MASK … #define HINIC_MBOX_CTRL_SET(val, field) … #define HINIC_MBOX_HEADER_MSG_LEN_SHIFT … #define HINIC_MBOX_HEADER_MODULE_SHIFT … #define HINIC_MBOX_HEADER_SEG_LEN_SHIFT … #define HINIC_MBOX_HEADER_NO_ACK_SHIFT … #define HINIC_MBOX_HEADER_SEQID_SHIFT … #define HINIC_MBOX_HEADER_LAST_SHIFT … /* specifies the mailbox message direction * 0 - send * 1 - receive */ #define HINIC_MBOX_HEADER_DIRECTION_SHIFT … #define HINIC_MBOX_HEADER_CMD_SHIFT … #define HINIC_MBOX_HEADER_MSG_ID_SHIFT … #define HINIC_MBOX_HEADER_STATUS_SHIFT … #define HINIC_MBOX_HEADER_SRC_GLB_FUNC_IDX_SHIFT … #define HINIC_MBOX_HEADER_MSG_LEN_MASK … #define HINIC_MBOX_HEADER_MODULE_MASK … #define HINIC_MBOX_HEADER_SEG_LEN_MASK … #define HINIC_MBOX_HEADER_NO_ACK_MASK … #define HINIC_MBOX_HEADER_SEQID_MASK … #define HINIC_MBOX_HEADER_LAST_MASK … #define HINIC_MBOX_HEADER_DIRECTION_MASK … #define HINIC_MBOX_HEADER_CMD_MASK … #define HINIC_MBOX_HEADER_MSG_ID_MASK … #define HINIC_MBOX_HEADER_STATUS_MASK … #define HINIC_MBOX_HEADER_SRC_GLB_FUNC_IDX_MASK … #define HINIC_MBOX_HEADER_GET(val, field) … #define HINIC_MBOX_HEADER_SET(val, field) … #define MBOX_SEGLEN_MASK … #define HINIC_MBOX_SEG_LEN … #define HINIC_MBOX_COMP_TIME … #define MBOX_MSG_POLLING_TIMEOUT … #define HINIC_MBOX_DATA_SIZE … #define MBOX_MAX_BUF_SZ … #define MBOX_HEADER_SZ … #define MBOX_INFO_SZ … /* MBOX size is 64B, 8B for mbox_header, 4B reserved */ #define MBOX_SEG_LEN … #define MBOX_SEG_LEN_ALIGN … #define MBOX_WB_STATUS_LEN … /* mbox write back status is 16B, only first 4B is used */ #define MBOX_WB_STATUS_ERRCODE_MASK … #define MBOX_WB_STATUS_MASK … #define MBOX_WB_ERROR_CODE_MASK … #define MBOX_WB_STATUS_FINISHED_SUCCESS … #define MBOX_WB_STATUS_NOT_FINISHED … #define MBOX_STATUS_FINISHED(wb) … #define MBOX_STATUS_SUCCESS(wb) … #define MBOX_STATUS_ERRCODE(wb) … #define SEQ_ID_START_VAL … #define SEQ_ID_MAX_VAL … #define NO_DMA_ATTRIBUTE_VAL … #define HINIC_MBOX_RSP_AEQN … #define HINIC_MBOX_RECV_AEQN … #define MBOX_MSG_NO_DATA_LEN … #define MBOX_BODY_FROM_HDR(header) … #define MBOX_AREA(hwif) … #define IS_PF_OR_PPF_SRC(src_func_idx) … #define MBOX_MSG_ID_MASK … #define MBOX_MSG_ID(func_to_func) … #define MBOX_MSG_ID_INC(func_to_func_mbox) … #define FUNC_ID_OFF_SET_8B … /* max message counter wait to process for one function */ #define HINIC_MAX_MSG_CNT_TO_PROCESS … #define HINIC_QUEUE_MIN_DEPTH … #define HINIC_QUEUE_MAX_DEPTH … #define HINIC_MAX_RX_BUFFER_SIZE … enum hinic_hwif_direction_type { … }; enum mbox_send_mod { … }; enum mbox_seg_type { … }; enum mbox_ordering_type { … }; enum mbox_write_back_type { … }; enum mbox_aeq_trig_type { … }; static bool check_func_id(struct hinic_hwdev *hwdev, u16 src_func_idx, const void *buf_in, u16 in_size, u16 offset) { … } bool hinic_mbox_check_func_id_8B(struct hinic_hwdev *hwdev, u16 func_idx, void *buf_in, u16 in_size) { … } /** * hinic_register_pf_mbox_cb - register mbox callback for pf * @hwdev: the pointer to hw device * @mod: specific mod that the callback will handle * @callback: callback function * Return: 0 - success, negative - failure */ int hinic_register_pf_mbox_cb(struct hinic_hwdev *hwdev, enum hinic_mod_type mod, hinic_pf_mbox_cb callback) { … } /** * hinic_register_vf_mbox_cb - register mbox callback for vf * @hwdev: the pointer to hw device * @mod: specific mod that the callback will handle * @callback: callback function * Return: 0 - success, negative - failure */ int hinic_register_vf_mbox_cb(struct hinic_hwdev *hwdev, enum hinic_mod_type mod, hinic_vf_mbox_cb callback) { … } /** * hinic_unregister_pf_mbox_cb - unregister the mbox callback for pf * @hwdev: the pointer to hw device * @mod: specific mod that the callback will handle */ void hinic_unregister_pf_mbox_cb(struct hinic_hwdev *hwdev, enum hinic_mod_type mod) { … } /** * hinic_unregister_vf_mbox_cb - unregister the mbox callback for vf * @hwdev: the pointer to hw device * @mod: specific mod that the callback will handle */ void hinic_unregister_vf_mbox_cb(struct hinic_hwdev *hwdev, enum hinic_mod_type mod) { … } static int recv_vf_mbox_handler(struct hinic_mbox_func_to_func *func_to_func, struct hinic_recv_mbox *recv_mbox, void *buf_out, u16 *out_size) { … } static int recv_pf_from_vf_mbox_handler(struct hinic_mbox_func_to_func *func_to_func, struct hinic_recv_mbox *recv_mbox, u16 src_func_idx, void *buf_out, u16 *out_size) { … } static bool check_mbox_seq_id_and_seg_len(struct hinic_recv_mbox *recv_mbox, u8 seq_id, u8 seg_len) { … } static void resp_mbox_handler(struct hinic_mbox_func_to_func *func_to_func, struct hinic_recv_mbox *recv_mbox) { … } static void recv_func_mbox_handler(struct hinic_mbox_func_to_func *func_to_func, struct hinic_recv_mbox *recv_mbox, u16 src_func_idx); static void recv_func_mbox_work_handler(struct work_struct *work) { … } static void recv_mbox_handler(struct hinic_mbox_func_to_func *func_to_func, void *header, struct hinic_recv_mbox *recv_mbox) { … } static int set_vf_mbox_random_id(struct hinic_hwdev *hwdev, u16 func_id) { … } static void update_random_id_work_handler(struct work_struct *work) { … } static bool check_vf_mbox_random_id(struct hinic_mbox_func_to_func *func_to_func, u8 *header) { … } static void hinic_mbox_func_aeqe_handler(void *handle, void *header, u8 size) { … } static void hinic_mbox_self_aeqe_handler(void *handle, void *header, u8 size) { … } static void clear_mbox_status(struct hinic_send_mbox *mbox) { … } static void mbox_copy_header(struct hinic_hwdev *hwdev, struct hinic_send_mbox *mbox, u64 *header) { … } static void mbox_copy_send_data(struct hinic_hwdev *hwdev, struct hinic_send_mbox *mbox, void *seg, u16 seg_len) { … } static void write_mbox_msg_attr(struct hinic_mbox_func_to_func *func_to_func, u16 dst_func, u16 dst_aeqn, u16 seg_len, int poll) { … } static void dump_mox_reg(struct hinic_hwdev *hwdev) { … } static u16 get_mbox_status(struct hinic_send_mbox *mbox) { … } static int wait_for_mbox_seg_completion(struct hinic_mbox_func_to_func *func_to_func, int poll, u16 *wb_status) { … } static int send_mbox_seg(struct hinic_mbox_func_to_func *func_to_func, u64 header, u16 dst_func, void *seg, u16 seg_len, int poll, void *msg_info) { … } static int send_mbox_to_func(struct hinic_mbox_func_to_func *func_to_func, enum hinic_mod_type mod, u16 cmd, void *msg, u16 msg_len, u16 dst_func, enum hinic_hwif_direction_type direction, enum hinic_mbox_ack_type ack_type, struct mbox_msg_info *msg_info) { … } static void response_for_recv_func_mbox(struct hinic_mbox_func_to_func *func_to_func, struct hinic_recv_mbox *recv_mbox, int err, u16 out_size, u16 src_func_idx) { … } static void recv_func_mbox_handler(struct hinic_mbox_func_to_func *func_to_func, struct hinic_recv_mbox *recv_mbox, u16 src_func_idx) { … } static void set_mbox_to_func_event(struct hinic_mbox_func_to_func *func_to_func, enum mbox_event_state event_flag) { … } static int mbox_resp_info_handler(struct hinic_mbox_func_to_func *func_to_func, struct hinic_recv_mbox *mbox_for_resp, enum hinic_mod_type mod, u16 cmd, void *buf_out, u16 *out_size) { … } int hinic_mbox_to_func(struct hinic_mbox_func_to_func *func_to_func, enum hinic_mod_type mod, u16 cmd, u16 dst_func, void *buf_in, u16 in_size, void *buf_out, u16 *out_size, u32 timeout) { … } static int mbox_func_params_valid(struct hinic_mbox_func_to_func *func_to_func, void *buf_in, u16 in_size) { … } int hinic_mbox_to_pf(struct hinic_hwdev *hwdev, enum hinic_mod_type mod, u8 cmd, void *buf_in, u16 in_size, void *buf_out, u16 *out_size, u32 timeout) { … } int hinic_mbox_to_vf(struct hinic_hwdev *hwdev, enum hinic_mod_type mod, u16 vf_id, u8 cmd, void *buf_in, u16 in_size, void *buf_out, u16 *out_size, u32 timeout) { … } static int init_mbox_info(struct hinic_recv_mbox *mbox_info) { … } static void clean_mbox_info(struct hinic_recv_mbox *mbox_info) { … } static int alloc_mbox_info(struct hinic_hwdev *hwdev, struct hinic_recv_mbox *mbox_info) { … } static void free_mbox_info(struct hinic_recv_mbox *mbox_info) { … } static void prepare_send_mbox(struct hinic_mbox_func_to_func *func_to_func) { … } static int alloc_mbox_wb_status(struct hinic_mbox_func_to_func *func_to_func) { … } static void free_mbox_wb_status(struct hinic_mbox_func_to_func *func_to_func) { … } bool hinic_mbox_check_cmd_valid(struct hinic_hwdev *hwdev, struct vf_cmd_check_handle *cmd_handle, u16 vf_id, u8 cmd, void *buf_in, u16 in_size, u8 size) { … } static bool hinic_cmdq_check_vf_ctxt(struct hinic_hwdev *hwdev, struct hinic_cmdq_ctxt *cmdq_ctxt) { … } static bool check_cmdq_ctxt(struct hinic_hwdev *hwdev, u16 func_idx, void *buf_in, u16 in_size) { … } #define HW_CTX_QPS_VALID(hw_ctxt) … static bool hw_ctxt_qps_param_valid(struct hinic_cmd_hw_ioctxt *hw_ctxt) { … } static bool check_hwctxt(struct hinic_hwdev *hwdev, u16 func_idx, void *buf_in, u16 in_size) { … } static bool check_set_wq_page_size(struct hinic_hwdev *hwdev, u16 func_idx, void *buf_in, u16 in_size) { … } static struct vf_cmd_check_handle hw_cmd_support_vf[] = …; static int comm_pf_mbox_handler(void *handle, u16 vf_id, u8 cmd, void *buf_in, u16 in_size, void *buf_out, u16 *out_size) { … } int hinic_func_to_func_init(struct hinic_hwdev *hwdev) { … } void hinic_func_to_func_free(struct hinic_hwdev *hwdev) { … } int hinic_vf_mbox_random_id_init(struct hinic_hwdev *hwdev) { … }
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