Re: [PATCH V5 07/12] Drivers: hv: vmbus: Add SNP support for VMbus channel initiate message

2021-09-16 Thread Tianyu Lan
On 9/15/2021 11:41 PM, Michael Kelley wrote: diff --git a/drivers/hv/hyperv_vmbus.h b/drivers/hv/hyperv_vmbus.h index 42f3d9d123a1..560cba916d1d 100644 --- a/drivers/hv/hyperv_vmbus.h +++ b/drivers/hv/hyperv_vmbus.h @@ -240,6 +240,8 @@ struct vmbus_connection { * is child->parent

RE: [PATCH V5 07/12] Drivers: hv: vmbus: Add SNP support for VMbus channel initiate message

2021-09-15 Thread Michael Kelley
From: Tianyu Lan Sent: Tuesday, September 14, 2021 6:39 AM > > The monitor pages in the CHANNELMSG_INITIATE_CONTACT msg are shared > with host in Isolation VM and so it's necessary to use hvcall to set > them visible to host. In Isolation VM with AMD SEV SNP, the access > address should be in

[PATCH V5 07/12] Drivers: hv: vmbus: Add SNP support for VMbus channel initiate message

2021-09-14 Thread Tianyu Lan
From: Tianyu Lan The monitor pages in the CHANNELMSG_INITIATE_CONTACT msg are shared with host in Isolation VM and so it's necessary to use hvcall to set them visible to host. In Isolation VM with AMD SEV SNP, the access address should be in the extra space which is above shared gpa boundary. So