121 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			121 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/***********************license start************************************
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 * Copyright (c) 2003-2017 Cavium, Inc.
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 * All rights reserved.
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 *
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 * License: one of 'Cavium License' or 'GNU General Public License Version 2'
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 *
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 * This file is provided under the terms of the Cavium License (see below)
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 * or under the terms of GNU General Public License, Version 2, as
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 * published by the Free Software Foundation. When using or redistributing
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 * this file, you may do so under either license.
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 *
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 * Cavium License:  Redistribution and use in source and binary forms, with
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 * or without modification, are permitted provided that the following
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 * conditions are met:
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 *
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 *  * Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 *
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 *  * Redistributions in binary form must reproduce the above
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 *    copyright notice, this list of conditions and the following
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 *    disclaimer in the documentation and/or other materials provided
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 *    with the distribution.
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 *
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 *  * Neither the name of Cavium Inc. nor the names of its contributors may be
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 *    used to endorse or promote products derived from this software without
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 *    specific prior written permission.
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 *
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 * This Software, including technical data, may be subject to U.S. export
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 * control laws, including the U.S. Export Administration Act and its
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 * associated regulations, and may be subject to export or import
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 * regulations in other countries.
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 *
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 * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
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 * AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS
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 * OR WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH
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 * RESPECT TO THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY
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 * REPRESENTATION OR DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT
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 * DEFECTS, AND CAVIUM SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY)
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 * WARRANTIES OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A
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 * PARTICULAR PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS, QUIET
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 * ENJOYMENT, QUIET POSSESSION OR CORRESPONDENCE TO DESCRIPTION. THE
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 * ENTIRE  RISK ARISING OUT OF USE OR PERFORMANCE OF THE SOFTWARE LIES
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 * WITH YOU.
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 ***********************license end**************************************/
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#ifndef __ZIP_MAIN_H__
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#define __ZIP_MAIN_H__
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#include "zip_device.h"
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#include "zip_regs.h"
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/* PCI device IDs */
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#define PCI_DEVICE_ID_THUNDERX_ZIP   0xA01A
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/* ZIP device BARs */
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#define PCI_CFG_ZIP_PF_BAR0   0  /* Base addr for normal regs */
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/* Maximum available zip queues */
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#define ZIP_MAX_NUM_QUEUES    8
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#define ZIP_128B_ALIGN        7
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/* Command queue buffer size */
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#define ZIP_CMD_QBUF_SIZE     (8064 + 8)
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struct zip_registers {
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	char  *reg_name;
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	u64   reg_offset;
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};
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/* ZIP Compression - Decompression stats */
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struct zip_stats {
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	atomic64_t    comp_req_submit;
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	atomic64_t    comp_req_complete;
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	atomic64_t    decomp_req_submit;
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	atomic64_t    decomp_req_complete;
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	atomic64_t    comp_in_bytes;
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	atomic64_t    comp_out_bytes;
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	atomic64_t    decomp_in_bytes;
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	atomic64_t    decomp_out_bytes;
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	atomic64_t    decomp_bad_reqs;
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};
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/* ZIP Instruction Queue */
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struct zip_iq {
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	u64        *sw_head;
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	u64        *sw_tail;
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	u64        *hw_tail;
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	u64        done_cnt;
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	u64        pend_cnt;
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	u64        free_flag;
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	/* ZIP IQ lock */
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	spinlock_t  lock;
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};
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/* ZIP Device */
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struct zip_device {
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	u32               index;
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	void __iomem      *reg_base;
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	struct pci_dev    *pdev;
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	/* Different ZIP Constants */
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	u64               depth;
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	u64               onfsize;
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	u64               ctxsize;
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	struct zip_iq     iq[ZIP_MAX_NUM_QUEUES];
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	struct zip_stats  stats;
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};
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/* Prototypes */
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struct zip_device *zip_get_device(int node_id);
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int zip_get_node_id(void);
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void zip_reg_write(u64 val, u64 __iomem *addr);
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u64 zip_reg_read(u64 __iomem *addr);
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void zip_update_cmd_bufs(struct zip_device *zip_dev, u32 queue);
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u32 zip_load_instr(union zip_inst_s *instr, struct zip_device *zip_dev);
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#endif /* ZIP_MAIN_H */
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