From patchwork Thu Feb 29 06:37:07 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiaoyao Li X-Patchwork-Id: 13576568 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 9445C4F1F8 for ; Thu, 29 Feb 2024 06:42:37 +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=1709188959; cv=none; b=L6yWHvusGaZXmvCpTlcivbbMDT3a3c7xo0CmIIpCjdJMHr9Z0r/l9DGWdH56o35x/zkPV8gKg6n1bmVZJzpzG+mO7IeX9fa3Wts81uIw6ymSXA61yzOzNsbXxAt7EqN/OojQBAFrPHELyBNou19c9O12ATYSwFshxGOj6pa1b0M= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709188959; c=relaxed/simple; bh=opdbuBrxZYW0fFAi+dKWsqVfJde3vAaaouAKABSOYvw=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=rqrWg8arDGTjpqfq82cUy2YqtmEZlxGHGgGGYgK0NL8jySLEZiZY8zsinmB95fatLLElOZy++s5LhUJqQXLzJ5XL8LnSAYQ1s1tdlVd8IohfoFy9q+G2mDk5MJE+la165EZdfn5h6ekGnuqa03a3ZadBqkZspW5zgn2fccK1rXw= 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=ReQAyHlx; 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="ReQAyHlx" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1709188957; x=1740724957; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=opdbuBrxZYW0fFAi+dKWsqVfJde3vAaaouAKABSOYvw=; b=ReQAyHlxNyHN6ALzPTUA6YP4G3EWVE+PJnzIgFmH/fIu68aGE0jhdxs6 SodchdPmDuCB7nrtfkER5RLPauFLNHpvweFMvEjkWC9vscs7DQ3oxMcnY EebqlUoqROicmaVP2+W+EwN10FJjt9imMZgMoRaJO654BE2P32sp/LSi/ tvQnxZyRAdxHQYOfb+8DE3KAcY++0szZ3PJCeAKi88TnZeykBw5XeDVLi iUi3HHbmJasMCW/zTxDkePOJijYNkrLPoiSNlacWmogzPfNl8hDQkQTQQ b8UaH8zaE4DffhGEzJTQCZlYl+C1lXhduDq+xEdQJVbL4a1tSO0uih5PU Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10998"; a="3803055" X-IronPort-AV: E=Sophos;i="6.06,192,1705392000"; d="scan'208";a="3803055" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by fmvoesa109.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Feb 2024 22:42:37 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.06,192,1705392000"; d="scan'208";a="8076067" Received: from lxy-clx-4s.sh.intel.com ([10.239.48.52]) by orviesa007.jf.intel.com with ESMTP; 28 Feb 2024 22:42:31 -0800 From: Xiaoyao Li To: Paolo Bonzini , David Hildenbrand , Igor Mammedov , Eduardo Habkost , Marcel Apfelbaum , =?utf-8?q?Philippe_Mathieu-D?= =?utf-8?q?aud=C3=A9?= , Yanan Wang , "Michael S. Tsirkin" , Richard Henderson , Ani Sinha , Peter Xu , Cornelia Huck , =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= , Eric Blake , Markus Armbruster , Marcelo Tosatti Cc: kvm@vger.kernel.org, qemu-devel@nongnu.org, Michael Roth , Claudio Fontana , Gerd Hoffmann , Isaku Yamahata , Chenyi Qiang , xiaoyao.li@intel.com Subject: [PATCH v5 46/65] i386/tdx: Call KVM_TDX_INIT_VCPU to initialize TDX vcpu Date: Thu, 29 Feb 2024 01:37:07 -0500 Message-Id: <20240229063726.610065-47-xiaoyao.li@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240229063726.610065-1-xiaoyao.li@intel.com> References: <20240229063726.610065-1-xiaoyao.li@intel.com> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 TDX vcpu needs to be initialized by SEAMCALL(TDH.VP.INIT) and KVM provides vcpu level IOCTL KVM_TDX_INIT_VCPU for it. KVM_TDX_INIT_VCPU needs the address of the HOB as input. Invoke it for each vcpu after HOB list is created. Signed-off-by: Xiaoyao Li Acked-by: Gerd Hoffmann --- target/i386/kvm/tdx.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/target/i386/kvm/tdx.c b/target/i386/kvm/tdx.c index dcabe359eda5..4625f806920e 100644 --- a/target/i386/kvm/tdx.c +++ b/target/i386/kvm/tdx.c @@ -591,6 +591,22 @@ static void tdx_init_ram_entries(void) tdx_guest->nr_ram_entries = j; } +static void tdx_post_init_vcpus(void) +{ + TdxFirmwareEntry *hob; + CPUState *cpu; + int r; + + hob = tdx_get_hob_entry(tdx_guest); + CPU_FOREACH(cpu) { + r = tdx_vcpu_ioctl(cpu, KVM_TDX_INIT_VCPU, 0, (void *)hob->address); + if (r < 0) { + error_report("KVM_TDX_INIT_VCPU failed %s", strerror(-r)); + exit(1); + } + } +} + static void tdx_finalize_vm(Notifier *notifier, void *unused) { TdxFirmware *tdvf = &tdx_guest->tdvf; @@ -623,6 +639,8 @@ static void tdx_finalize_vm(Notifier *notifier, void *unused) tdvf_hob_create(tdx_guest, tdx_get_hob_entry(tdx_guest)); + tdx_post_init_vcpus(); + for_each_tdx_fw_entry(tdvf, entry) { struct kvm_memory_mapping mapping = { .base_gfn = entry->address >> 12,