C++ (Cpp) fjes_hw_init_command_registers примеры использования

Пример #1

Файл: fjes_main.c Проект: asmalldev/linux

static void fjes_free_resources(struct fjes_adapter *adapter)
{
	struct net_device *netdev = adapter->netdev;
	struct fjes_device_command_param param;
	struct ep_share_mem_info *buf_pair;
	struct fjes_hw *hw = &adapter->hw;
	bool reset_flag = false;
	unsigned long flags;
	int result;
	int epidx;

	for (epidx = 0; epidx < hw->max_epid; epidx++) {
		if (epidx == hw->my_epid)
			continue;

		mutex_lock(&hw->hw_info.lock);
		result = fjes_hw_unregister_buff_addr(hw, epidx);
		mutex_unlock(&hw->hw_info.lock);

		hw->ep_shm_info[epidx].ep_stats.com_unregist_buf_exec += 1;

		if (result)
			reset_flag = true;

		buf_pair = &hw->ep_shm_info[epidx];

		spin_lock_irqsave(&hw->rx_status_lock, flags);
		fjes_hw_setup_epbuf(&buf_pair->tx,
				    netdev->dev_addr, netdev->mtu);
		spin_unlock_irqrestore(&hw->rx_status_lock, flags);

		clear_bit(epidx, &hw->txrx_stop_req_bit);
	}

	if (reset_flag || adapter->force_reset) {
		result = fjes_hw_reset(hw);

		adapter->force_reset = false;

		if (result)
			adapter->open_guard = true;

		hw->hw_info.buffer_share_bit = 0;

		memset((void *)&param, 0, sizeof(param));

		param.req_len = hw->hw_info.req_buf_size;
		param.req_start = __pa(hw->hw_info.req_buf);
		param.res_len = hw->hw_info.res_buf_size;
		param.res_start = __pa(hw->hw_info.res_buf);
		param.share_start = __pa(hw->hw_info.share->ep_status);

		fjes_hw_init_command_registers(hw, &param);
	}
}

Пример #2

Файл: fjes_hw.c Проект: Juan31/linux

static int fjes_hw_setup(struct fjes_hw *hw)
{
	u8 mac[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
	struct fjes_device_command_param param;
	struct ep_share_mem_info *buf_pair;
	size_t mem_size;
	int result;
	int epidx;
	void *buf;

	hw->hw_info.max_epid = &hw->max_epid;
	hw->hw_info.my_epid = &hw->my_epid;

	buf = kcalloc(hw->max_epid, sizeof(struct ep_share_mem_info),
		      GFP_KERNEL);
	if (!buf)
		return -ENOMEM;

	hw->ep_shm_info = (struct ep_share_mem_info *)buf;

	mem_size = FJES_DEV_REQ_BUF_SIZE(hw->max_epid);
	hw->hw_info.req_buf = kzalloc(mem_size, GFP_KERNEL);
	if (!(hw->hw_info.req_buf))
		return -ENOMEM;

	hw->hw_info.req_buf_size = mem_size;

	mem_size = FJES_DEV_RES_BUF_SIZE(hw->max_epid);
	hw->hw_info.res_buf = kzalloc(mem_size, GFP_KERNEL);
	if (!(hw->hw_info.res_buf))
		return -ENOMEM;

	hw->hw_info.res_buf_size = mem_size;

	result = fjes_hw_alloc_shared_status_region(hw);
	if (result)
		return result;

	hw->hw_info.buffer_share_bit = 0;
	hw->hw_info.buffer_unshare_reserve_bit = 0;

	for (epidx = 0; epidx < hw->max_epid; epidx++) {
		if (epidx != hw->my_epid) {
			buf_pair = &hw->ep_shm_info[epidx];

			result = fjes_hw_alloc_epbuf(&buf_pair->tx);
			if (result)
				return result;

			result = fjes_hw_alloc_epbuf(&buf_pair->rx);
			if (result)
				return result;

			fjes_hw_setup_epbuf(&buf_pair->tx, mac,
					    fjes_support_mtu[0]);
			fjes_hw_setup_epbuf(&buf_pair->rx, mac,
					    fjes_support_mtu[0]);
		}
	}

	memset(&param, 0, sizeof(param));

	param.req_len = hw->hw_info.req_buf_size;
	param.req_start = __pa(hw->hw_info.req_buf);
	param.res_len = hw->hw_info.res_buf_size;
	param.res_start = __pa(hw->hw_info.res_buf);

	param.share_start = __pa(hw->hw_info.share->ep_status);

	fjes_hw_init_command_registers(hw, &param);

	return 0;
}