Le 15/01/2020 à 20:36, Filip Bozuta a écrit :
> This patch implements functionalities of following ioctls:
>
> RTC_RD_TIME - Getting RTC time
>
> Returns this RTC's time in the following structure:
>
> struct rtc_time {
> int tm_sec;
> int tm_min;
> int tm_hour;
> int tm_mday;
> int tm_mon;
> int tm_year;
> int tm_wday; /* unused */
> int tm_yday; /* unused */
> int tm_isdst; /* unused */
> };
>
> The fields in this structure have the same meaning and ranges
> as the tm structure described in gmtime man page. A pointer
> to this structure should be passed as the third ioctl's argument.
>
> RTC_SET_TIME - Setting RTC time
>
> Sets this RTC's time to the time specified by the rtc_time
> structure pointed to by the third ioctl's argument. To set
> the RTC's time the process must be privileged (i.e., have the
> CAP_SYS_TIME capability).
>
> RTC_ALM_READ, RTC_ALM_SET - Getting/Setting alarm time
>
> Read and set the alarm time, for RTCs that support alarms.
> The alarm interrupt must be separately enabled or disabled
> using the RTC_AIE_ON, RTC_AIE_OFF requests. The third
> ioctl's argument is a pointer to a rtc_time structure. Only
> the tm_sec, tm_min, and tm_hour fields of this structure are
> used.
>
> Implementation notes:
>
> All ioctls in this patch have pointer to a structure rtc_time
> as their third argument. That is the reason why corresponding
> definition is added in linux-user/syscall_types.h. Since all
> elements of this structure are of type 'int', the rest of the
> implementation is straightforward.
>
> Reviewed-by: Laurent Vivier <laur...@vivier.eu>
> Signed-off-by: Filip Bozuta <filip.boz...@rt-rk.com>
> ---
> linux-user/ioctls.h | 4 ++++
> linux-user/syscall_defs.h | 4 ++++
> linux-user/syscall_types.h | 11 +++++++++++
> 3 files changed, 19 insertions(+)
>
> diff --git a/linux-user/ioctls.h b/linux-user/ioctls.h
> index 97741c7..f472794 100644
> --- a/linux-user/ioctls.h
> +++ b/linux-user/ioctls.h
> @@ -77,6 +77,10 @@
> IOCTL(RTC_PIE_OFF, 0, TYPE_NULL)
> IOCTL(RTC_WIE_ON, 0, TYPE_NULL)
> IOCTL(RTC_WIE_OFF, 0, TYPE_NULL)
> + IOCTL(RTC_ALM_READ, IOC_R, MK_PTR(MK_STRUCT(STRUCT_rtc_time)))
> + IOCTL(RTC_ALM_SET, IOC_W, MK_PTR(MK_STRUCT(STRUCT_rtc_time)))
> + IOCTL(RTC_RD_TIME, IOC_R, MK_PTR(MK_STRUCT(STRUCT_rtc_time)))
> + IOCTL(RTC_SET_TIME, IOC_W, MK_PTR(MK_STRUCT(STRUCT_rtc_time)))
>
> IOCTL(BLKROSET, IOC_W, MK_PTR(TYPE_INT))
> IOCTL(BLKROGET, IOC_R, MK_PTR(TYPE_INT))
> diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h
> index f91579a..f0bf09d 100644
> --- a/linux-user/syscall_defs.h
> +++ b/linux-user/syscall_defs.h
> @@ -772,6 +772,10 @@ struct target_pollfd {
> #define TARGET_RTC_PIE_OFF TARGET_IO('p', 0x06)
> #define TARGET_RTC_WIE_ON TARGET_IO('p', 0x0f)
> #define TARGET_RTC_WIE_OFF TARGET_IO('p', 0x10)
> +#define TARGET_RTC_ALM_READ TARGET_IOR('p', 0x08, struct rtc_time)
> +#define TARGET_RTC_ALM_SET TARGET_IOW('p', 0x07, struct rtc_time)
> +#define TARGET_RTC_RD_TIME TARGET_IOR('p', 0x09, struct rtc_time)
> +#define TARGET_RTC_SET_TIME TARGET_IOW('p', 0x0a, struct rtc_time)
>
> #if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_SH4) ||
> \
> defined(TARGET_XTENSA)
> diff --git a/linux-user/syscall_types.h b/linux-user/syscall_types.h
> index 4e36983..a35072a 100644
> --- a/linux-user/syscall_types.h
> +++ b/linux-user/syscall_types.h
> @@ -255,6 +255,17 @@ STRUCT(blkpg_partition,
> MK_ARRAY(TYPE_CHAR, BLKPG_DEVNAMELTH), /* devname */
> MK_ARRAY(TYPE_CHAR, BLKPG_VOLNAMELTH)) /* volname */
>
> +STRUCT(rtc_time,
> + TYPE_INT, /* tm_sec */
> + TYPE_INT, /* tm_min */
> + TYPE_INT, /* tm_hour */
> + TYPE_INT, /* tm_mday */
> + TYPE_INT, /* tm_mon */
> + TYPE_INT, /* tm_year */
> + TYPE_INT, /* tm_wday */
> + TYPE_INT, /* tm_yday */
> + TYPE_INT) /* tm_isdst */
> +
> STRUCT(blkpg_ioctl_arg,
> TYPE_INT, /* op */
> TYPE_INT, /* flags */
>
Applied to my linux-user branch.
Thanks,
Laurent
