[Bug 2077729] Re: x86/vmware: Add TDX hypercall support

This bug is awaiting verification that the linux-xilinx/6.8.0-1009.10
kernel in -proposed solves the problem. Please test the kernel and
update this bug with the results. If the problem is solved, change the
tag 'verification-needed-noble-linux-xilinx' to 'verification-done-
noble-linux-xilinx'. If the problem still exists, change the tag
'verification-needed-noble-linux-xilinx' to 'verification-failed-noble-
linux-xilinx'.


If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.


See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!


** Tags added: kernel-spammed-noble-linux-xilinx-v2 verification-needed-noble-linux-xilinx

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https://bugs.launchpad.net/bugs/2077729

Title:
x86/vmware: Add TDX hypercall support

Status in linux package in Ubuntu:
New
Status in linux source package in Noble:
Fix Committed

Bug description:
This is a public version of: https://bugs.launchpad.net/bugs/2076493

[ Impact ]

VMware hypercalls use I/O port, VMCALL or VMMCALL instructions.
Add __tdx_hypercall path to support TDX guests.

[ Fix ]

Part of 6.11.
Require a another upstream commit.
Clean cherry-pick from upstream:
- 34bf25e820a x86/vmware: Introduce VMware hypercall API
- 57b7b6acb41 x86/vmware: Add TDX hypercall support

[ Test Plan ]

Compiled.

[ Where problems could occur ]

 Only added new interfaces, may change VM behavior related to VMware.

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