From patchwork Tue Nov 5 06:23:34 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiaoyao Li X-Patchwork-Id: 13862434 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.18]) (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 1AB8D1FE109 for ; Tue, 5 Nov 2024 06:38:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.18 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730788696; cv=none; b=U0Hn8nSE3opy8DKnI+MEvolyikXEy2QbGbQDhVmAjJUK4AaXQlt17SzlLycqFSkOUPNXHn+qqUcFlDUdGFn6uPf+AzgHINjrVbgZ2Zmp5zqLoomgVOaK0uGfdhurphb3Op9lzl0mAVEtndiJY792VwarK6ACUBhfq2+N75tpzaA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730788696; c=relaxed/simple; bh=lKT4R+z384ZnSwuZplcbwrI7VIz8YVlbaPogqTQylkI=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=IbtjOlOi2pd7TW6HbvZiNhuQwv1breaugyjmstJAvHZTF70bj9cetOu8+kg7h8V1sdgobFCgXT6arVEnkowxtyrYUGlvXumaqg9yPyEQzh6BH1q+Y7R7EPZHwOQhoEZhUiZEDu85r63GmCQ9fFcWSRbVgnzDFDDtP7Bt6wirDMI= 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=Y6OLUQ4s; arc=none smtp.client-ip=198.175.65.18 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="Y6OLUQ4s" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1730788695; x=1762324695; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=lKT4R+z384ZnSwuZplcbwrI7VIz8YVlbaPogqTQylkI=; b=Y6OLUQ4sc9CzBSTwewK7zbm7tsgL+oC0xhvI84+qWxebab0gYoQLVWbV Dms0NTqMeFTd4Fq8Qj2S8iV7u0ayo5aQHlZIDRskBlmcFhVgJya7tCG+Y DulWoAFX/MtreGNbBWtlV3zasMYPyGRONpimfjEDuR0RnFg63qar9etWG Um5kJOETultcjN50tB4i/RQJTWlaKt92YRZiKpGklDAVB4i+pvb1g2vPV s+iPUa/+KnZm5WFhF+e9ipdAAJ1HG3T+2F9oayKLwMYGTuWgF6LW7CwdU jgfJIotaCBmllsa8teETkw8ol4z0R07kWjwtuos4mvLe7GfYkhN7csgpf g==; X-CSE-ConnectionGUID: I6SX2NRvRkOGES2nHqeRhA== X-CSE-MsgGUID: LM/vXntPSqWqqWbvbS+4bA== X-IronPort-AV: E=McAfee;i="6700,10204,11222"; a="30689590" X-IronPort-AV: E=Sophos;i="6.11,199,1725346800"; d="scan'208";a="30689590" Received: from fmviesa009.fm.intel.com ([10.60.135.149]) by orvoesa110.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Nov 2024 22:38:15 -0800 X-CSE-ConnectionGUID: fMPbZ0l5SYCOMqH44oNg1w== X-CSE-MsgGUID: ghpoWLs8SMOi/kGwz41ALQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,259,1725346800"; d="scan'208";a="83989055" Received: from lxy-clx-4s.sh.intel.com ([10.239.48.52]) by fmviesa009.fm.intel.com with ESMTP; 04 Nov 2024 22:38:11 -0800 From: Xiaoyao Li To: Paolo Bonzini , Riku Voipio , Richard Henderson , Zhao Liu , "Michael S. Tsirkin" , Marcel Apfelbaum , Igor Mammedov , Ani Sinha Cc: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Yanan Wang , Cornelia Huck , =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= , Eric Blake , Markus Armbruster , Marcelo Tosatti , rick.p.edgecombe@intel.com, kvm@vger.kernel.org, qemu-devel@nongnu.org, xiaoyao.li@intel.com Subject: [PATCH v6 26/60] i386/tdx: Call KVM_TDX_INIT_VCPU to initialize TDX vcpu Date: Tue, 5 Nov 2024 01:23:34 -0500 Message-Id: <20241105062408.3533704-27-xiaoyao.li@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241105062408.3533704-1-xiaoyao.li@intel.com> References: <20241105062408.3533704-1-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 0a6ac62de7ff..1abca7a5be6d 100644 --- a/target/i386/kvm/tdx.c +++ b/target/i386/kvm/tdx.c @@ -250,6 +250,22 @@ 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; @@ -282,6 +298,8 @@ 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_tdx_init_mem_region region; uint32_t flags;