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120 lines
3.9 KiB
120 lines
3.9 KiB
/***********************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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