[PATCH v2 0/5] TDX host: Provide TDX module metadata reading APIs

From: Kai Huang
Date: Tue Mar 26 2024 - 06:23:55 EST


KVM will need to read bunch of TDX module metadata fields to create and
run TDX guests. In the long term, other in-kernel TDX users, e.g., VT-d
also likely will need to read metadata. This series provides common APIs
in the TDX host code so that KVM can use.

v1 -> v2:
- Collect BinBin's tag.
- Rebase to latest Linus's tree (but can also be cleanly applied to
latest tip/master and tip/x86/tdx).

(I dropped KVM list from the To list to stop dumping emails to people's
mailbox, but keep maintainers Cc'ed.)

v1: https://lore.kernel.org/lkml/cover.1709288433.git.kai.huang@xxxxxxxxx/T/

Kai Huang (5):
x86/virt/tdx: Rename _offset to _member for TD_SYSINFO_MAP() macro
x86/virt/tdx: Move TDMR metadata fields map table to local variable
x86/virt/tdx: Unbind global metadata read with 'struct
tdx_tdmr_sysinfo'
x86/virt/tdx: Support global metadata read for all element sizes
x86/virt/tdx: Export global metadata read infrastructure

arch/x86/include/asm/tdx.h | 22 ++++++++++
arch/x86/virt/vmx/tdx/tdx.c | 84 +++++++++++++++++++++----------------
arch/x86/virt/vmx/tdx/tdx.h | 2 -
3 files changed, 71 insertions(+), 37 deletions(-)


base-commit: 928a87efa42302a23bb9554be081a28058495f22
--
2.43.2