diff options
Diffstat (limited to 'util/types.h')
-rw-r--r-- | util/types.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/util/types.h b/util/types.h new file mode 100644 index 0000000..6d45108 --- /dev/null +++ b/util/types.h @@ -0,0 +1,35 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +#ifndef _MISC_H +#define _MISC_H + +/* type conversion helpers */ + +#include <stdint.h> +#include <linux/types.h> + +#include <libnvme.h> + +#define ABSOLUTE_ZERO_CELSIUS -273 + +static inline long kelvin_to_celsius(long t) +{ + return t + ABSOLUTE_ZERO_CELSIUS; +} + +/* uint128_t is not always available, define our own. */ +union nvme_uint128 { + __u8 bytes[16]; + __u32 words[4]; /* [0] is most significant word */ +}; + +typedef union nvme_uint128 nvme_uint128_t; + +nvme_uint128_t le128_to_cpu(__u8 *data); +long double int128_to_double(__u8 *data); +uint64_t int48_to_long(__u8 *data); + +char *uint128_t_to_string(nvme_uint128_t val); +const char *util_uuid_to_string(unsigned char uuid[NVME_UUID_LEN]); +const char *util_fw_to_string(char *c); + +#endif /* _MISC_H */ |