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Diffstat (limited to 'drivers/crypto/cavium/zip/zip_main.h')
| -rw-r--r-- | drivers/crypto/cavium/zip/zip_main.h | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/drivers/crypto/cavium/zip/zip_main.h b/drivers/crypto/cavium/zip/zip_main.h new file mode 100644 index 000000000..e1e4fa92c --- /dev/null +++ b/drivers/crypto/cavium/zip/zip_main.h @@ -0,0 +1,120 @@ +/***********************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 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 */ |