| /***********************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**************************************/ |
| |
| #ifndef __ZIP_MAIN_H__ |
| #define __ZIP_MAIN_H__ |
| |
| #include "zip_device.h" |
| #include "zip_regs.h" |
| |
| /* PCI device IDs */ |
| #define PCI_DEVICE_ID_THUNDERX_ZIP 0xA01A |
| |
| /* ZIP device BARs */ |
| #define PCI_CFG_ZIP_PF_BAR0 0 /* Base addr for normal regs */ |
| |
| /* Maximum available zip queues */ |
| #define ZIP_MAX_NUM_QUEUES 8 |
| |
| #define ZIP_128B_ALIGN 7 |
| |
| /* Command queue buffer size */ |
| #define ZIP_CMD_QBUF_SIZE (8064 + 8) |
| |
| struct zip_registers { |
| char *reg_name; |
| u64 reg_offset; |
| }; |
| |
| /* ZIP Compression - Decompression stats */ |
| struct zip_stats { |
| atomic64_t comp_req_submit; |
| atomic64_t comp_req_complete; |
| atomic64_t decomp_req_submit; |
| atomic64_t decomp_req_complete; |
| atomic64_t pending_req; |
| atomic64_t comp_in_bytes; |
| atomic64_t comp_out_bytes; |
| atomic64_t decomp_in_bytes; |
| atomic64_t decomp_out_bytes; |
| atomic64_t decomp_bad_reqs; |
| }; |
| |
| /* ZIP Instruction Queue */ |
| struct zip_iq { |
| u64 *sw_head; |
| u64 *sw_tail; |
| u64 *hw_tail; |
| u64 done_cnt; |
| u64 pend_cnt; |
| u64 free_flag; |
| |
| /* ZIP IQ lock */ |
| spinlock_t lock; |
| }; |
| |
| /* ZIP Device */ |
| struct zip_device { |
| u32 index; |
| void __iomem *reg_base; |
| struct pci_dev *pdev; |
| |
| /* Different ZIP Constants */ |
| u64 depth; |
| u64 onfsize; |
| u64 ctxsize; |
| |
| struct zip_iq iq[ZIP_MAX_NUM_QUEUES]; |
| struct zip_stats stats; |
| }; |
| |
| /* Prototypes */ |
| struct zip_device *zip_get_device(int node_id); |
| int zip_get_node_id(void); |
| void zip_reg_write(u64 val, u64 __iomem *addr); |
| u64 zip_reg_read(u64 __iomem *addr); |
| void zip_update_cmd_bufs(struct zip_device *zip_dev, u32 queue); |
| u32 zip_load_instr(union zip_inst_s *instr, struct zip_device *zip_dev); |
| |
| #endif /* ZIP_MAIN_H */ |