cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

zip_main.h (4010B)

      1/***********************license start************************************
      2 * Copyright (c) 2003-2017 Cavium, Inc.
      3 * All rights reserved.
      4 *
      5 * License: one of 'Cavium License' or 'GNU General Public License Version 2'
      6 *
      7 * This file is provided under the terms of the Cavium License (see below)
      8 * or under the terms of GNU General Public License, Version 2, as
      9 * published by the Free Software Foundation. When using or redistributing
     10 * this file, you may do so under either license.
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     12 * Cavium License:  Redistribution and use in source and binary forms, with
     13 * or without modification, are permitted provided that the following
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     22 *    with the distribution.
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     24 *  * Neither the name of Cavium Inc. nor the names of its contributors may be
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     28 * This Software, including technical data, may be subject to U.S. export
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     33 * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
     34 * AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS
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     44 ***********************license end**************************************/
     45
     46#ifndef __ZIP_MAIN_H__
     47#define __ZIP_MAIN_H__
     48
     49#include "zip_device.h"
     50#include "zip_regs.h"
     51
     52/* PCI device IDs */
     53#define PCI_DEVICE_ID_THUNDERX_ZIP   0xA01A
     54
     55/* ZIP device BARs */
     56#define PCI_CFG_ZIP_PF_BAR0   0  /* Base addr for normal regs */
     57
     58/* Maximum available zip queues */
     59#define ZIP_MAX_NUM_QUEUES    8
     60
     61#define ZIP_128B_ALIGN        7
     62
     63/* Command queue buffer size */
     64#define ZIP_CMD_QBUF_SIZE     (8064 + 8)
     65
     66struct zip_registers {
     67	char  *reg_name;
     68	u64   reg_offset;
     69};
     70
     71/* ZIP Compression - Decompression stats */
     72struct zip_stats {
     73	atomic64_t    comp_req_submit;
     74	atomic64_t    comp_req_complete;
     75	atomic64_t    decomp_req_submit;
     76	atomic64_t    decomp_req_complete;
     77	atomic64_t    comp_in_bytes;
     78	atomic64_t    comp_out_bytes;
     79	atomic64_t    decomp_in_bytes;
     80	atomic64_t    decomp_out_bytes;
     81	atomic64_t    decomp_bad_reqs;
     82};
     83
     84/* ZIP Instruction Queue */
     85struct zip_iq {
     86	u64        *sw_head;
     87	u64        *sw_tail;
     88	u64        *hw_tail;
     89	u64        done_cnt;
     90	u64        pend_cnt;
     91	u64        free_flag;
     92
     93	/* ZIP IQ lock */
     94	spinlock_t  lock;
     95};
     96
     97/* ZIP Device */
     98struct zip_device {
     99	u32               index;
    100	void __iomem      *reg_base;
    101	struct pci_dev    *pdev;
    102
    103	/* Different ZIP Constants */
    104	u64               depth;
    105	u64               onfsize;
    106	u64               ctxsize;
    107
    108	struct zip_iq     iq[ZIP_MAX_NUM_QUEUES];
    109	struct zip_stats  stats;
    110};
    111
    112/* Prototypes */
    113struct zip_device *zip_get_device(int node_id);
    114int zip_get_node_id(void);
    115void zip_reg_write(u64 val, u64 __iomem *addr);
    116u64 zip_reg_read(u64 __iomem *addr);
    117void zip_update_cmd_bufs(struct zip_device *zip_dev, u32 queue);
    118u32 zip_load_instr(union zip_inst_s *instr, struct zip_device *zip_dev);
    119
    120#endif /* ZIP_MAIN_H */