/***********************license start************************************ * Copyright (c) 2003-2017 Cavium, Inc. * All rights reserved. * * License: one of 'Cavium License' or 'GNU General Public License Version 2' * * This file is provided under the terms of the Cavium License (see below) * or under the terms of GNU General Public License, Version 2, as * published by the Free Software Foundation. When using or redistributing * this file, you may do so under either license. * * Cavium License: Redistribution and use in source and binary forms, with * or without modification, are permitted provided that the following * conditions are met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials provided * with the distribution. * * * Neither the name of Cavium Inc. nor the names of its contributors may be * used to endorse or promote products derived from this software without * specific prior written permission. * * This Software, including technical data, may be subject to U.S. export * control laws, including the U.S. Export Administration Act and its * associated regulations, and may be subject to export or import * regulations in other countries. * * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS" * AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS * OR WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH * RESPECT TO THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY * REPRESENTATION OR DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT * DEFECTS, AND CAVIUM SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) * WARRANTIES OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A * PARTICULAR PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS, QUIET * ENJOYMENT, QUIET POSSESSION OR CORRESPONDENCE TO DESCRIPTION. THE * ENTIRE RISK ARISING OUT OF USE OR PERFORMANCE OF THE SOFTWARE LIES * WITH YOU. ***********************license end**************************************/ #include "common.h" #include "zip_deflate.h" /** * zip_cmd_queue_consumed - Calculates the space consumed in the command queue. * * @zip_dev: Pointer to zip device structure * @queue: Queue number * * Return: Bytes consumed in the command queue buffer. */ static inline u32 zip_cmd_queue_consumed(struct zip_device *zip_dev, int queue) { … } /** * zip_load_instr - Submits the instruction into the ZIP command queue * @instr: Pointer to the instruction to be submitted * @zip_dev: Pointer to ZIP device structure to which the instruction is to * be submitted * * This function copies the ZIP instruction to the command queue and rings the * doorbell to notify the engine of the instruction submission. The command * queue is maintained in a circular fashion. When there is space for exactly * one instruction in the queue, next chunk pointer of the queue is made to * point to the head of the queue, thus maintaining a circular queue. * * Return: Queue number to which the instruction was submitted */ u32 zip_load_instr(union zip_inst_s *instr, struct zip_device *zip_dev) { … } /** * zip_update_cmd_bufs - Updates the queue statistics after posting the * instruction * @zip_dev: Pointer to zip device structure * @queue: Queue number */ void zip_update_cmd_bufs(struct zip_device *zip_dev, u32 queue) { … }