diff options
Diffstat (limited to 'include/uapi/linux/virtio_rtc.h')
| -rw-r--r-- | include/uapi/linux/virtio_rtc.h | 88 |
1 files changed, 87 insertions, 1 deletions
diff --git a/include/uapi/linux/virtio_rtc.h b/include/uapi/linux/virtio_rtc.h index 6b3af4e9bbfb..85ee8f013661 100644 --- a/include/uapi/linux/virtio_rtc.h +++ b/include/uapi/linux/virtio_rtc.h @@ -9,6 +9,9 @@ #include <linux/types.h> +/* alarm feature */ +#define VIRTIO_RTC_F_ALARM 0 + /* read request message types */ #define VIRTIO_RTC_REQ_READ 0x0001 @@ -19,6 +22,13 @@ #define VIRTIO_RTC_REQ_CFG 0x1000 #define VIRTIO_RTC_REQ_CLOCK_CAP 0x1001 #define VIRTIO_RTC_REQ_CROSS_CAP 0x1002 +#define VIRTIO_RTC_REQ_READ_ALARM 0x1003 +#define VIRTIO_RTC_REQ_SET_ALARM 0x1004 +#define VIRTIO_RTC_REQ_SET_ALARM_ENABLED 0x1005 + +/* alarmq message types */ + +#define VIRTIO_RTC_NOTIF_ALARM 0x2000 /* Message headers */ @@ -39,6 +49,12 @@ struct virtio_rtc_resp_head { __u8 reserved[7]; }; +/** common notification header */ +struct virtio_rtc_notif_head { + __le16 msg_type; + __u8 reserved[6]; +}; + /* read requests */ /* VIRTIO_RTC_REQ_READ message */ @@ -111,7 +127,9 @@ struct virtio_rtc_resp_clock_cap { #define VIRTIO_RTC_SMEAR_NOON_LINEAR 1 #define VIRTIO_RTC_SMEAR_UTC_SLS 2 __u8 leap_second_smearing; - __u8 reserved[6]; +#define VIRTIO_RTC_FLAG_ALARM_CAP (1 << 0) + __u8 flags; + __u8 reserved[5]; }; /* VIRTIO_RTC_REQ_CROSS_CAP message */ @@ -130,6 +148,53 @@ struct virtio_rtc_resp_cross_cap { __u8 reserved[7]; }; +/* VIRTIO_RTC_REQ_READ_ALARM message */ + +struct virtio_rtc_req_read_alarm { + struct virtio_rtc_req_head head; + __le16 clock_id; + __u8 reserved[6]; +}; + +struct virtio_rtc_resp_read_alarm { + struct virtio_rtc_resp_head head; + __le64 alarm_time; +#define VIRTIO_RTC_FLAG_ALARM_ENABLED (1 << 0) + __u8 flags; + __u8 reserved[7]; +}; + +/* VIRTIO_RTC_REQ_SET_ALARM message */ + +struct virtio_rtc_req_set_alarm { + struct virtio_rtc_req_head head; + __le64 alarm_time; + __le16 clock_id; + /* flag VIRTIO_RTC_FLAG_ALARM_ENABLED */ + __u8 flags; + __u8 reserved[5]; +}; + +struct virtio_rtc_resp_set_alarm { + struct virtio_rtc_resp_head head; + /* no response params */ +}; + +/* VIRTIO_RTC_REQ_SET_ALARM_ENABLED message */ + +struct virtio_rtc_req_set_alarm_enabled { + struct virtio_rtc_req_head head; + __le16 clock_id; + /* flag VIRTIO_RTC_ALARM_ENABLED */ + __u8 flags; + __u8 reserved[5]; +}; + +struct virtio_rtc_resp_set_alarm_enabled { + struct virtio_rtc_resp_head head; + /* no response params */ +}; + /** Union of request types for requestq */ union virtio_rtc_req_requestq { struct virtio_rtc_req_read read; @@ -137,6 +202,9 @@ union virtio_rtc_req_requestq { struct virtio_rtc_req_cfg cfg; struct virtio_rtc_req_clock_cap clock_cap; struct virtio_rtc_req_cross_cap cross_cap; + struct virtio_rtc_req_read_alarm read_alarm; + struct virtio_rtc_req_set_alarm set_alarm; + struct virtio_rtc_req_set_alarm_enabled set_alarm_enabled; }; /** Union of response types for requestq */ @@ -146,6 +214,24 @@ union virtio_rtc_resp_requestq { struct virtio_rtc_resp_cfg cfg; struct virtio_rtc_resp_clock_cap clock_cap; struct virtio_rtc_resp_cross_cap cross_cap; + struct virtio_rtc_resp_read_alarm read_alarm; + struct virtio_rtc_resp_set_alarm set_alarm; + struct virtio_rtc_resp_set_alarm_enabled set_alarm_enabled; +}; + +/* alarmq notifications */ + +/* VIRTIO_RTC_NOTIF_ALARM notification */ + +struct virtio_rtc_notif_alarm { + struct virtio_rtc_notif_head head; + __le16 clock_id; + __u8 reserved[6]; +}; + +/** Union of notification types for alarmq */ +union virtio_rtc_notif_alarmq { + struct virtio_rtc_notif_alarm alarm; }; #endif /* _LINUX_VIRTIO_RTC_H */ |