On 03/15/2018 10:17 PM, Konrad Rzeszutek Wilk wrote:
+ ****************************************************************************** + * Back to front events delivery + ****************************************************************************** + * In order to deliver asynchronous events from back to front a shared page is + * allocated by front and its granted reference propagated to back via + * XenStore entries (evt-ring-ref/evt-event-channel). + * This page has a common header used by both front and back to synchronize + * access and control event's ring buffer, while back being a producer of the + * events and front being a consumer. The rest of the page after the header + * is used for event packets. + * + * Upon reception of an event(s) front may confirm its reception + * for either each event, group of events or none. + */ + +struct xensnd_event_page { + uint32_t in_cons; + uint32_t in_prod; + uint8_t reserved[24];Could this be aligned at 64 bytes?
Sure, will make the struct 64 bytes
+}; +
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