diff options
Diffstat (limited to 'sys/dev/bhnd/nvram/bhnd_nvram_if.m')
| -rw-r--r-- | sys/dev/bhnd/nvram/bhnd_nvram_if.m | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/sys/dev/bhnd/nvram/bhnd_nvram_if.m b/sys/dev/bhnd/nvram/bhnd_nvram_if.m index 2bb307b1f681..0efe491fd850 100644 --- a/sys/dev/bhnd/nvram/bhnd_nvram_if.m +++ b/sys/dev/bhnd/nvram/bhnd_nvram_if.m @@ -49,6 +49,7 @@ INTERFACE bhnd_nvram; * @param[in,out] len The maximum capacity of @p buf. On success, * will be set to the actual size of the requested * value. + * @param type The data type to be written to @p buf. * * @retval 0 success * @retval ENOENT The requested variable was not found. @@ -56,6 +57,9 @@ INTERFACE bhnd_nvram; * small to hold the requested value. * @retval ENODEV If no supported NVRAM hardware is accessible via this * device. + * @retval EOPNOTSUPP If any coercion to @p type is unsupported. + * @retval EFTYPE If the @p name's data type cannot be coerced to @p type. + * @retval ERANGE If value coercion would overflow @p type. * @retval non-zero If reading @p name otherwise fails, a regular unix * error code will be returned. */ @@ -64,29 +68,35 @@ METHOD int getvar { const char *name; void *buf; size_t *len; + bhnd_nvram_type type; }; /** - * Set an NVRAM variable's local value. + * Set an NVRAM variable's value. * - * No changes should be written to non-volatile storage. + * No changes will be written to non-volatile storage until explicitly + * committed. * * @param dev The NVRAM device. * @param name The NVRAM variable name. - * @param buf The new value. - * @param len The size of @p buf. + * @param value The new value. + * @param len The size of @p value. + * @param type The data type of @p value. * * @retval 0 success * @retval ENOENT The specified variable name is not recognized. - * @retval EINVAL If @p len does not match the expected variable size. * @retval ENODEV If no supported NVRAM hardware is accessible via this * device. + * @retval EOPNOTSUPP If any coercion to @p type is unsupported. + * @retval EFTYPE If the @p name's data type cannot be coerced to @p type. + * @retval ERANGE If value coercion from @p type would overflow. * @retval non-zero If reading @p name otherwise fails, a regular unix * error code will be returned. */ METHOD int setvar { device_t dev; const char *name; - const void *buf; + const void *value; size_t len; + bhnd_nvram_type type; }; |