git commit -m "first commit for v2"

Devices/Libraries/Systems/can-utils/include/linux/kernel.h

@@ -0,0 +1,98 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#ifndef _LINUX_KERNEL_H
+#define _LINUX_KERNEL_H
+
+#include <stddef.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdbool.h>
+
+#include <linux/can.h>
+
+typedef uint8_t u8;
+typedef uint16_t u16;
+typedef uint32_t u32;
+typedef uint32_t __le32;
+
+struct mcp251xfd_mem;
+
+struct regmap {
+	struct mcp251xfd_mem *mem;
+};
+
+#define pr_info(...) fprintf(stdout, ## __VA_ARGS__)
+#define pr_err(...) fprintf(stderr, ## __VA_ARGS__)
+#define pr_warn(...) fprintf(stderr, ## __VA_ARGS__)
+#define pr_cont(...) fprintf(stdout, ## __VA_ARGS__)
+#define netdev_info(ndev, ...) fprintf(stdout, ## __VA_ARGS__)
+#define BUILD_BUG_ON(...)
+
+#define BITS_PER_LONG (sizeof(long) * 8)
+
+#define ____cacheline_aligned
+
+#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
+
+int regmap_bulk_read(struct regmap *map, unsigned int reg,
+		     void *val, size_t val_count);
+
+#define SZ_2K				0x00000800
+
+#define __packed                        __attribute__((__packed__))
+
+#define sizeof_field(TYPE, MEMBER) sizeof((((TYPE *)0)->MEMBER))
+
+#define BIT(nr)			(UL(1) << (nr))
+
+#define __stringify_1(x...)	#x
+#define __stringify(x...)	__stringify_1(x)
+
+#ifdef __ASSEMBLY__
+#define _AC(X,Y)	X
+#define _AT(T,X)	X
+#else
+#define __AC(X,Y)	(X##Y)
+#define _AC(X,Y)	__AC(X,Y)
+#define _AT(T,X)	((T)(X))
+#endif
+
+#define _UL(x)		(_AC(x, UL))
+#define _ULL(x)		(_AC(x, ULL))
+
+#define UL(x)		(_UL(x))
+#define ULL(x)		(_ULL(x))
+
+#define GENMASK(h, l) \
+	(((~UL(0)) - (UL(1) << (l)) + 1) & \
+	 (~UL(0) >> (BITS_PER_LONG - 1 - (h))))
+
+#define __bf_shf(x) (__builtin_ffsll(x) - 1)
+
+#define FIELD_PREP(_mask, _val)						\
+	({								\
+		((typeof(_mask))(_val) << __bf_shf(_mask)) & (_mask);	\
+	})
+
+#define FIELD_GET(_mask, _reg)						\
+	({								\
+		(typeof(_mask))(((_reg) & (_mask)) >> __bf_shf(_mask));	\
+	})
+
+#define min_t(type, x, y) ({			\
+	type __min1 = (x);			\
+	type __min2 = (y);			\
+	__min1 < __min2 ? __min1 : __min2; })
+
+#define get_canfd_dlc(i)	(min_t(__u8, (i), CANFD_MAX_DLC))
+
+static const u8 dlc2len[] = {0, 1, 2, 3, 4, 5, 6, 7,
+			     8, 12, 16, 20, 24, 32, 48, 64};
+
+/* get data length from can_dlc with sanitized can_dlc */
+static inline u8 can_dlc2len(u8 can_dlc)
+{
+	return dlc2len[can_dlc & 0x0F];
+}
+
+#endif /* _LINUX_KERNEL_H */