From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.15]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 13C6D5C904 for ; Tue, 26 Mar 2024 10:23:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.15 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711448629; cv=none; b=mWL3sW6bspJLUyUFS89dyGp0MSr036gpQvxtqkj0E/1S3AfwKX69dQJ6NxINoOnGTBY4xeEpz0smTuA7om+2VA6DkOplFjBhn/LiXNu3WCDRkpkGGKtFklGNyYlLF0TteDjGKLPGmhQyA17E7QdtjA9wbNcfWFjeQC7/ldPdHfQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711448629; c=relaxed/simple; bh=SLwhJ+EcwkZ7CsAM0YpIK0FVBbXR5eRWkHJx2SwM1/o=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=ee662NWvBFuC5mFxRaIkyHIDuSnKUgcUmyjz0PWlEo3nHpk21AD4GsSffhO5OLoQ/ZBdpIhpGJ9PmlWCu/RRlsQTMZOX4ER1iG6ZqdRPR0YPshA6TzNFqv9vlAiXccBFlpx/a3Mr6KlnUrglPgnmnw1reYgpc91/C0Ou1xPij/Q= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=S2bs+3Dx; arc=none smtp.client-ip=192.198.163.15 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="S2bs+3Dx" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1711448628; x=1742984628; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=SLwhJ+EcwkZ7CsAM0YpIK0FVBbXR5eRWkHJx2SwM1/o=; b=S2bs+3DxT2PHotuNYcp7ICuv84bvl2ceWXq9diYiQnssylrqiyS1pZeS ZAbSWA4jJ3HzJzdjj7NrNKPKeGwRNRCpTPA2oRIkB/zs5hwTrtU/4Y61l bxbIs5sQD+gbpPY+M4JJbaoZZAswrNvCumzRbbUfCldCV91gr1ogU3Wbe h22hqBC41MFjnstdiVQ7jMflm6y1qb7mfmqbHZyFlMPoumfycCf57yDuV q+mC3eYZ+3barutIvPjHUlOXnrrU47t+uAUZ/iqsF/N9otA0VgfsYsi9P uuZ9sA8sPwouGBz1l9yTT0vE9peQRPC+qDlgxXdKD6dQU6l6rrSqWBTWM w==; X-CSE-ConnectionGUID: Zbrzw932TYWiHVjyJAZCqA== X-CSE-MsgGUID: 6E+qZgExT5yt284VRyCF6w== X-IronPort-AV: E=McAfee;i="6600,9927,11024"; a="6678697" X-IronPort-AV: E=Sophos;i="6.07,156,1708416000"; d="scan'208";a="6678697" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by fmvoesa109.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Mar 2024 03:23:47 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,156,1708416000"; d="scan'208";a="39029341" Received: from pyong-mobl2.amr.corp.intel.com (HELO khuang2-desk.gar.corp.intel.com) ([10.209.75.208]) by fmviesa002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Mar 2024 03:23:44 -0700 From: Kai Huang To: linux-kernel@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, rick.p.edgecombe@intel.com, isaku.yamahata@intel.com, jgross@suse.com, binbin.wu@linux.intel.com, kai.huang@intel.com Subject: [PATCH v2 0/5] TDX host: Provide TDX module metadata reading APIs Date: Tue, 26 Mar 2024 23:23:27 +1300 Message-ID: X-Mailer: git-send-email 2.43.2 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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@intel.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: 928a87efa42302a23bb9554be081a28058495f22 -- 2.43.2