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Commit 5fbebb2d authored by K. Y. Srinivasan's avatar K. Y. Srinivasan Committed by Greg Kroah-Hartman
Browse files

Drivers: hv: Capture the host build information 



Capture the host build information so it can be presented along with the
negotiated vmbus version information.

Signed-off-by: default avatarK. Y. Srinivasan <kys@microsoft.com>
Reviewed-by: default avatarHaiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent c2b8e520

drivers/hv/hv.c

+9 −0
Original line number Diff line number Diff line
@@ -40,6 +40,11 @@ struct hv_context hv_context = { 
/*

 * query_hypervisor_info - Get version info of the windows hypervisor

 */

unsigned int host_info_eax;

unsigned int host_info_ebx;

unsigned int host_info_ecx;

unsigned int host_info_edx;



static int query_hypervisor_info(void)

{

	unsigned int eax;
@@ -76,6 +81,10 @@ static int query_hypervisor_info(void) 
			    ecx,

			    edx >> 24,

			    edx & 0xFFFFFF);

		host_info_eax = eax;

		host_info_ebx = ebx;

		host_info_ecx = ecx;

		host_info_edx = edx;

	}

	return max_leaf;

}

drivers/hv/hyperv_vmbus.h

+7 −0
Original line number Diff line number Diff line
@@ -531,6 +531,13 @@ extern void hv_synic_init(void *irqarg); 


extern void hv_synic_cleanup(void *arg);



/*

 * Host version information.

 */

extern unsigned int host_info_eax;

extern unsigned int host_info_ebx;

extern unsigned int host_info_ecx;

extern unsigned int host_info_edx;



/* Interface */