Re: [edk2-devel] [PATCH v8 34/46] OvmfPkg: Reserve a page in memory for the SEV-ES usage

2020-05-27 Thread Laszlo Ersek
On 05/26/20 23:47, Tom Lendacky wrote: > On 5/26/20 9:28 AM, Tom Lendacky wrote: >> On 5/25/20 11:00 AM, Laszlo Ersek wrote: >>> On 05/19/20 23:51, Lendacky, Thomas wrote: BZ:

Re: [edk2-devel] [PATCH v8 34/46] OvmfPkg: Reserve a page in memory for the SEV-ES usage

2020-05-26 Thread Lendacky, Thomas
On 5/26/20 9:28 AM, Tom Lendacky wrote: On 5/25/20 11:00 AM, Laszlo Ersek wrote: On 05/19/20 23:51, Lendacky, Thomas wrote: BZ:

Re: [edk2-devel] [PATCH v8 34/46] OvmfPkg: Reserve a page in memory for the SEV-ES usage

2020-05-26 Thread Lendacky, Thomas
On 5/25/20 11:00 AM, Laszlo Ersek wrote: On 05/19/20 23:51, Lendacky, Thomas wrote: BZ:

Re: [edk2-devel] [PATCH v8 34/46] OvmfPkg: Reserve a page in memory for the SEV-ES usage

2020-05-25 Thread Laszlo Ersek
On 05/19/20 23:51, Lendacky, Thomas wrote: > BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=2198 > > Reserve a fixed area of memory for SEV-ES use and set a fixed PCD, > PcdSevEsWorkAreaBase, to this value. > > This area will be used by SEV-ES support for two purposes: > 1. Communicating

[edk2-devel] [PATCH v8 34/46] OvmfPkg: Reserve a page in memory for the SEV-ES usage

2020-05-19 Thread Lendacky, Thomas
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=2198 Reserve a fixed area of memory for SEV-ES use and set a fixed PCD, PcdSevEsWorkAreaBase, to this value. This area will be used by SEV-ES support for two purposes: 1. Communicating the SEV-ES status during BSP boot to SEC: Using a