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From: Kai Huang <kai.huang@intel.com>
To: linux-kernel@vger.kernel.org, kvm@vger.kernel.org
Cc: x86@kernel.org, dave.hansen@intel.com,
	kirill.shutemov@linux.intel.com, peterz@infradead.org,
	tglx@linutronix.de, bp@alien8.de, mingo@redhat.com,
	hpa@zytor.com, seanjc@google.com, pbonzini@redhat.com,
	isaku.yamahata@intel.com, jgross@suse.com, kai.huang@intel.com
Subject: [PATCH 0/5] TDX host: Provide TDX module metadata reading APIs
Date: Sat,  2 Mar 2024 00:20:32 +1300	[thread overview]
Message-ID: <cover.1709288433.git.kai.huang@intel.com> (raw)

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.

This series has been sent out together with the v19 KVM TDX patchset, and
actually received one minor comment from Juergen [1](thanks!), which I
fixed in this series.

Now I am sending out this series separately to reduce the size of the KVM
TDX patchset.  Paolo and Sean are doing similar things [2][3].

[1]: https://lore.kernel.org/kvm/cover.1708933498.git.isaku.yamahata@intel.com/T/#mbe96ac2b6560897083afdbe1db446a75a724e4e9
[2]: https://lore.kernel.org/kvm/20240227232100.478238-21-pbonzini@redhat.com/T/
[3]: https://lore.kernel.org/kvm/20240228024147.41573-16-seanjc@google.com/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: 5bdd181821b2c65b074cfad07d7c7d5d3cfe20bf
-- 
2.43.2


             reply	other threads:[~2024-03-01 11:20 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-03-01 11:20 Kai Huang [this message]
2024-03-01 11:20 ` [PATCH 1/5] x86/virt/tdx: Rename _offset to _member for TD_SYSINFO_MAP() macro Kai Huang
2024-05-03  0:07   ` Edgecombe, Rick P
2024-05-06 11:34     ` Huang, Kai
2024-03-01 11:20 ` [PATCH 2/5] x86/virt/tdx: Move TDMR metadata fields map table to local variable Kai Huang
2024-05-03  0:09   ` Edgecombe, Rick P
2024-05-03  0:18     ` Huang, Kai
2024-05-03  0:29       ` Edgecombe, Rick P
2024-05-03  0:54         ` Huang, Kai
2024-05-03 16:01   ` Dave Hansen
2024-05-06  8:04     ` Huang, Kai
2024-03-01 11:20 ` [PATCH 3/5] x86/virt/tdx: Unbind global metadata read with 'struct tdx_tdmr_sysinfo' Kai Huang
2024-05-03  0:12   ` Edgecombe, Rick P
2024-05-03  0:52     ` Huang, Kai
2024-05-03 19:03       ` Edgecombe, Rick P
2024-05-06 11:15         ` Huang, Kai
2024-03-01 11:20 ` [PATCH 4/5] x86/virt/tdx: Support global metadata read for all element sizes Kai Huang
2024-03-16  0:49   ` Isaku Yamahata
2024-03-20 12:24     ` Huang, Kai
2024-05-03  0:19   ` Edgecombe, Rick P
2024-05-03  1:14     ` Huang, Kai
2024-05-03 12:10       ` Huang, Kai
2024-05-03 12:26         ` Huang, Kai
2024-05-03 18:32           ` Edgecombe, Rick P
2024-05-06 10:59             ` Huang, Kai
2024-03-01 11:20 ` [PATCH 5/5] x86/virt/tdx: Export global metadata read infrastructure Kai Huang
2024-03-13  3:44   ` Xiaoyao Li
2024-03-15  0:24     ` Huang, Kai
2024-03-15  2:10       ` Xiaoyao Li
2024-05-03  0:21   ` Edgecombe, Rick P
2024-05-03  2:17     ` Huang, Kai
2024-05-03 18:31       ` Edgecombe, Rick P
2024-05-06 11:35         ` Huang, Kai
2024-05-06 15:43   ` Dave Hansen
2024-05-06 22:13     ` Huang, Kai

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