Re: [RFC V2 PATCH 11/12] HV/Netvsc: Add Isolation VM support for netvsc driver

On Tue, Apr 13, 2021 at 11:22:16AM -0400, Tianyu Lan wrote: > From: Tianyu Lan > > In Isolation VM, all shared memory with host needs to mark visible > to host via hvcall. vmbus_establish_gpadl() has already done it for > netvsc rx/tx ring buffer. The page buffer used by vmbus_sendpacket_ >

[RFC V2 PATCH 11/12] HV/Netvsc: Add Isolation VM support for netvsc driver

From: Tianyu Lan In Isolation VM, all shared memory with host needs to mark visible to host via hvcall. vmbus_establish_gpadl() has already done it for netvsc rx/tx ring buffer. The page buffer used by vmbus_sendpacket_ pagebuffer() still need to handle. Use DMA API to map/umap these memory