100 lines
3.0 KiB
C
100 lines
3.0 KiB
C
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/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright 2016 Broadcom
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*/
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#ifndef _UTIL_H
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#define _UTIL_H
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#include <linux/kernel.h>
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#include <linux/delay.h>
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#include "spu.h"
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extern int flow_debug_logging;
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extern int packet_debug_logging;
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extern int debug_logging_sleep;
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#ifdef DEBUG
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#define flow_log(...) \
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do { \
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if (flow_debug_logging) { \
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printk(__VA_ARGS__); \
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if (debug_logging_sleep) \
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msleep(debug_logging_sleep); \
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} \
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} while (0)
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#define flow_dump(msg, var, var_len) \
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do { \
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if (flow_debug_logging) { \
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print_hex_dump(KERN_ALERT, msg, DUMP_PREFIX_NONE, \
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16, 1, var, var_len, false); \
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if (debug_logging_sleep) \
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msleep(debug_logging_sleep); \
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} \
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} while (0)
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#define packet_log(...) \
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do { \
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if (packet_debug_logging) { \
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printk(__VA_ARGS__); \
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if (debug_logging_sleep) \
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msleep(debug_logging_sleep); \
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} \
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} while (0)
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#define packet_dump(msg, var, var_len) \
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do { \
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if (packet_debug_logging) { \
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print_hex_dump(KERN_ALERT, msg, DUMP_PREFIX_NONE, \
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16, 1, var, var_len, false); \
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if (debug_logging_sleep) \
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msleep(debug_logging_sleep); \
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} \
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} while (0)
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void __dump_sg(struct scatterlist *sg, unsigned int skip, unsigned int len);
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#define dump_sg(sg, skip, len) __dump_sg(sg, skip, len)
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#else /* !DEBUG_ON */
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#define flow_log(...) do {} while (0)
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#define flow_dump(msg, var, var_len) do {} while (0)
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#define packet_log(...) do {} while (0)
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#define packet_dump(msg, var, var_len) do {} while (0)
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#define dump_sg(sg, skip, len) do {} while (0)
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#endif /* DEBUG_ON */
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int spu_sg_at_offset(struct scatterlist *sg, unsigned int skip,
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struct scatterlist **sge, unsigned int *sge_offset);
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/* Copy sg data, from skip, length len, to dest */
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void sg_copy_part_to_buf(struct scatterlist *src, u8 *dest,
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unsigned int len, unsigned int skip);
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/* Copy src into scatterlist from offset, length len */
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void sg_copy_part_from_buf(struct scatterlist *dest, u8 *src,
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unsigned int len, unsigned int skip);
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int spu_sg_count(struct scatterlist *sg_list, unsigned int skip, int nbytes);
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u32 spu_msg_sg_add(struct scatterlist **to_sg,
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struct scatterlist **from_sg, u32 *skip,
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u8 from_nents, u32 tot_len);
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void add_to_ctr(u8 *ctr_pos, unsigned int increment);
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/* produce a message digest from data of length n bytes */
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int do_shash(unsigned char *name, unsigned char *result,
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const u8 *data1, unsigned int data1_len,
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const u8 *data2, unsigned int data2_len,
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const u8 *key, unsigned int key_len);
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char *spu_alg_name(enum spu_cipher_alg alg, enum spu_cipher_mode mode);
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void spu_setup_debugfs(void);
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void spu_free_debugfs(void);
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void format_value_ccm(unsigned int val, u8 *buf, u8 len);
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#endif
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