From: Michael Kelley
The Hyper-V host provides guest VMs with a range of MMIO addresses
that guest VMBus drivers can use. The VMBus driver in Linux manages
that MMIO space, and allocates portions to drivers upon request. As
part of managing that MMIO space in a Generation 2 VM, the VMBus
driver m
On Wed, May 14, 2025 at 08:53:38PM -0700, Ricardo Neri wrote:
> On Wed, May 14, 2025 at 10:42:48AM -0500, Rob Herring wrote:
> > On Tue, May 13, 2025 at 03:14:56PM -0700, Ricardo Neri wrote:
> > > On Mon, May 12, 2025 at 10:32:24AM -0500, Rob Herring wrote:
> > > > On Tue, May 06, 2025 at 08:23:39P
To support Multi Vports on Bare metal, increase the device config response
version. And, skip the register HW vport, and register filter steps, when
the Bare metal hostmode is set.
Signed-off-by: Haiyang Zhang
---
v2:
Updated comments as suggested by ALOK TIWARI.
Fixed the version check.
---
On Sat, May 17, 2025 at 06:47:22PM +, Michael Kelley wrote:
> From: Saurabh Singh Sengar Sent: Saturday, May
> 17, 2025 9:14 AM
> >
> > On Sat, May 17, 2025 at 01:34:20PM +, Michael Kelley wrote:
> > > From: Saurabh Singh Sengar Sent: Friday, May 16,
> > > 2025 9:38 PM
> > > >
> > > >
On Mon, May 19, 2025 at 10:29:37AM -0500, Rob Herring wrote:
> On Wed, May 14, 2025 at 08:53:38PM -0700, Ricardo Neri wrote:
> > On Wed, May 14, 2025 at 10:42:48AM -0500, Rob Herring wrote:
> > > On Tue, May 13, 2025 at 03:14:56PM -0700, Ricardo Neri wrote:
> > > > On Mon, May 12, 2025 at 10:32:24A
On Mon, May 19, 2025 at 10:26:40AM +0530, Naman Jain wrote:
> Introduce a new mshv_vtl driver to provide an interface for Virtual
> Machine Monitor like OpenVMM and its use as OpenHCL paravisor to
> control VTL0 (Virtual trust Level).
> Expose devices and support IOCTLs for features like VTL creati
From: Ricardo Neri Sent: Saturday, May
3, 2025 12:15 PM
>
> A Hyper-V VTL level 2 guest on a TDX environment needs to map the
> physical page of the ACPI Multiprocessor Wakeup Structure as private
> (encrypted). It needs to know the physical address of this structure.
> Add a helper function.
>
From: Ricardo Neri Sent: Saturday, May
3, 2025 12:15 PM
>
> From: Yunhong Jiang
>
> The hypervisor is an untrusted entity for TDX guests. It cannot be used
> to boot secondary CPUs - neither via hypercalls not the INIT assert,
> de-assert plus Start-Up IPI messages.
>
> Instead, the platform
From: Ricardo Neri Sent: Saturday, May
3, 2025 12:15 PM
>
> From: Yunhong Jiang
>
> The current code maps MMIO devices as shared (decrypted) by default in a
> confidential computing VM.
>
> In a TDX environment, secondary CPUs are booted using the Multiprocessor
> Wakeup Structure defined in
From: Ricardo Neri Sent: Saturday, May
3, 2025 12:15 PM
>
> The hypervisor is an untrusted entity for TDX guests. It cannot be used
> to boot secondary CPUs. The function hv_vtl_wakeup_secondary_cpu() cannot
> be used.
>
> Instead, the virtual firmware boots the secondary CPUs and places them i
From: Ricardo Neri Sent: Saturday, May
3, 2025 12:15 PM
>
> From: Yunhong Jiang
>
> x86 CPUs boot in real mode. This mode uses 20-bit memory addresses (16-bit
> registers plus 4-bit segment selectors). This implies that the trampoline
> must reside under the 1MB memory boundary.
>
> There are
From: Ricardo Neri Sent: Saturday, May
3, 2025 12:15 PM
> From: Yunhong Jiang
>
> Hyper-V VTL clears x86_platform.realmode_{init(), reserve()} in
> hv_vtl_platform_init() whereas it sets real_mode_header later in
> hv_vtl_early_init(). There is no need to deal with the real mode memory
> in two
From: Saurabh Singh Sengar Sent: Monday, May 19,
2025 9:55 AM
>
> On Sat, May 17, 2025 at 06:47:22PM +, Michael Kelley wrote:
> > From: Saurabh Singh Sengar Sent: Saturday,
> > May 17, 2025 9:14 AM
> > >
> > > On Sat, May 17, 2025 at 01:34:20PM +, Michael Kelley wrote:
> > > > From: Sa
On Tue, May 20, 2025 at 02:07:48AM +, Michael Kelley wrote:
> From: Saurabh Singh Sengar Sent: Monday, May
> 19, 2025 9:55 AM
> >
> > On Sat, May 17, 2025 at 06:47:22PM +, Michael Kelley wrote:
> > > From: Saurabh Singh Sengar Sent: Saturday,
> > > May 17, 2025 9:14 AM
> > > >
> > > >
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