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-rw-r--r--drivers/crypto/bcm/util.h113
1 files changed, 113 insertions, 0 deletions
diff --git a/drivers/crypto/bcm/util.h b/drivers/crypto/bcm/util.h
new file mode 100644
index 0000000000..61c2563848
--- /dev/null
+++ b/drivers/crypto/bcm/util.h
@@ -0,0 +1,113 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright 2016 Broadcom
+ */
+
+#ifndef _UTIL_H
+#define _UTIL_H
+
+#include <linux/kernel.h>
+#include <linux/delay.h>
+
+#include "spu.h"
+
+extern int flow_debug_logging;
+extern int packet_debug_logging;
+extern int debug_logging_sleep;
+
+#ifdef DEBUG
+#define flow_log(...) \
+ do { \
+ if (flow_debug_logging) { \
+ printk(__VA_ARGS__); \
+ if (debug_logging_sleep) \
+ msleep(debug_logging_sleep); \
+ } \
+ } while (0)
+#define flow_dump(msg, var, var_len) \
+ do { \
+ if (flow_debug_logging) { \
+ print_hex_dump(KERN_ALERT, msg, DUMP_PREFIX_NONE, \
+ 16, 1, var, var_len, false); \
+ if (debug_logging_sleep) \
+ msleep(debug_logging_sleep); \
+ } \
+ } while (0)
+
+#define packet_log(...) \
+ do { \
+ if (packet_debug_logging) { \
+ printk(__VA_ARGS__); \
+ if (debug_logging_sleep) \
+ msleep(debug_logging_sleep); \
+ } \
+ } while (0)
+#define packet_dump(msg, var, var_len) \
+ do { \
+ if (packet_debug_logging) { \
+ print_hex_dump(KERN_ALERT, msg, DUMP_PREFIX_NONE, \
+ 16, 1, var, var_len, false); \
+ if (debug_logging_sleep) \
+ msleep(debug_logging_sleep); \
+ } \
+ } while (0)
+
+void __dump_sg(struct scatterlist *sg, unsigned int skip, unsigned int len);
+
+#define dump_sg(sg, skip, len) __dump_sg(sg, skip, len)
+
+#else /* !DEBUG_ON */
+
+static inline void flow_log(const char *format, ...)
+{
+}
+
+static inline void flow_dump(const char *msg, const void *var, size_t var_len)
+{
+}
+
+static inline void packet_log(const char *format, ...)
+{
+}
+
+static inline void packet_dump(const char *msg, const void *var, size_t var_len)
+{
+}
+
+static inline void dump_sg(struct scatterlist *sg, unsigned int skip,
+ unsigned int len)
+{
+}
+
+#endif /* DEBUG_ON */
+
+int spu_sg_at_offset(struct scatterlist *sg, unsigned int skip,
+ struct scatterlist **sge, unsigned int *sge_offset);
+
+/* Copy sg data, from skip, length len, to dest */
+void sg_copy_part_to_buf(struct scatterlist *src, u8 *dest,
+ unsigned int len, unsigned int skip);
+/* Copy src into scatterlist from offset, length len */
+void sg_copy_part_from_buf(struct scatterlist *dest, u8 *src,
+ unsigned int len, unsigned int skip);
+
+int spu_sg_count(struct scatterlist *sg_list, unsigned int skip, int nbytes);
+u32 spu_msg_sg_add(struct scatterlist **to_sg,
+ struct scatterlist **from_sg, u32 *skip,
+ u8 from_nents, u32 tot_len);
+
+void add_to_ctr(u8 *ctr_pos, unsigned int increment);
+
+/* produce a message digest from data of length n bytes */
+int do_shash(unsigned char *name, unsigned char *result,
+ const u8 *data1, unsigned int data1_len,
+ const u8 *data2, unsigned int data2_len,
+ const u8 *key, unsigned int key_len);
+
+char *spu_alg_name(enum spu_cipher_alg alg, enum spu_cipher_mode mode);
+
+void spu_setup_debugfs(void);
+void spu_free_debugfs(void);
+void format_value_ccm(unsigned int val, u8 *buf, u8 len);
+
+#endif