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Provide proper unmap notifications to GUI agent #26

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Provide proper unmap notifications to GUI agent #26

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11 changes: 10 additions & 1 deletion include/qubes-gui-protocol.h
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Original file line number Diff line number Diff line change
Expand Up @@ -55,6 +55,9 @@
* - gui-daemon sends MSG_WINDOW_DUMP_ACK to acknowledge finishing
* MSG_WINDOW_DUMP processing; this allows agent to know when it
* can safely unmap a window's grants
* 1.8:
* - gui-daemon uses IOCTL_GNTDEV_SET_UNMAP_NOTIFY to notify the agent
* that a window's grants have actually been unmapped.
*/


Expand Down Expand Up @@ -305,11 +308,17 @@ struct msg_cursor {
} __attribute__((may_alias));

enum {
WINDOW_DUMP_TYPE_GRANT_REFS
WINDOW_DUMP_TYPE_GRANT_REFS,
WINDOW_DUMP_TYPE_GRANT_REFS_NOTIFY,
};

struct msg_window_dump_grant_refs {
uint32_t refs[0];
};

struct msg_window_dump_grant_refs_notify {
uint32_t evtchn_port;
uint32_t refs[];
};

#endif /* QUBES_GUI_PROTOCOL_H */