[Xen-devel] ERROR: While allocating unbound port in remote domain from Dom0

["Srujan D. Kotikela" <ksrujandas@xxxxxxxxx>]

Hi,

I am trying to create an event channel and I am using the below code.

#include <stdint.h>
#include <stdio.h>

#include <xenctrl.h>
#include <xen/xen.h>
#include <xen/event_channel.h>

int main(void){

	int xce_handle, src_port, dst_port, xc_handle;
	
	int dom, remote_dom;
	
	dom=0;
	remote_dom=15;
	
	xc_handle=xc_interface_open();	//open the hypervisor interface
	printf("\n Accquired HYPERVISOR INTERFACE HANDLE: %d \n", xc_handle);
	

	dst_port = xc_evtchn_alloc_unbound(xc_handle, remote_dom, dom); //allocate a port on the remote domain
	printf("\n Allocated the port %d \n", dst_port);

	xce_handle = xc_evtchn_open();	//create a handle for event channel
	printf("\n Accquired HYPERVISOR INTERFACE EVTCHN HANDLE: %d\n", xce_handle);
	
	src_port = xc_evtchn_bind_interdomain(xce_handle, dom, dst_port);	
	printf("\n Allocated the port %d \n", src_port);
	
	return 0;
	
}


and I am getting the following error:

 Accquired HYPERVISOR INTERFACE HANDLE: 3 

 ERROR Internal error: do_evtchn_op: HYPERVISOR_event_channel_op failed: -1

 Allocated the port -1 

 Accquired HYPERVISOR INTERFACE EVTCHN HANDLE: 4

 Allocated the port -1 

--
Srujan D. Kotikela

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