Re: [edk2-devel] [PATCH v6 2/6] OvmfPkg/BaseMemEncryptLib: Hypercall API for page encryption state change

2021-08-09 Thread Lendacky, Thomas via groups.io
On 8/2/21 7:31 AM, Ashish Kalra wrote: > From: Ashish Kalra > > Add API to issue hypercall on page encryption state change. > > By default all the SEV guest memory regions are considered encrypted, > if a guest changes the encryption attribute of the page (e.g mark a > page as decrypted) then

[edk2-devel] [PATCH v6 2/6] OvmfPkg/BaseMemEncryptLib: Hypercall API for page encryption state change

2021-08-02 Thread Ashish Kalra via groups.io
From: Ashish Kalra Add API to issue hypercall on page encryption state change. By default all the SEV guest memory regions are considered encrypted, if a guest changes the encryption attribute of the page (e.g mark a page as decrypted) then notify hypervisor. Hypervisor will need to track the