From nobody Wed Dec 17 10:44:34 2025 Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by smtp.subspace.kernel.org (Postfix) with ESMTP id E855F2DEA90; Wed, 8 Oct 2025 23:34:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=13.77.154.182 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759966480; cv=none; b=penGYGzmAOgIGDLh5/MTt9mXRIEDQtyAyUcIQsd2Cf+Csud7m0bBMakuXiKw2BQV1NzPVVEYhWiied+ZGclxL49P1qEfADkH4UHVZCHvwbX3HGNnb01fUd/agyz86M/i7g/t5Y0+LZRF/aFei2g1XqpyFklqPHjwFpZTOgonxwA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759966480; c=relaxed/simple; bh=dLBtBMRxPgTl5LlhBr9ohEdugqGfe8R5auGo67rDwCI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=FI3kuPe1YoPUIv/ADoEXF0hrZJJp03fsf93sTZkWE1jk0sCE4/ROi/lXBz8WkBfdRiOy6GqP8ychjfQ0FLzR8jWORC81R1Qrk3AGW/6D4okjdIJBy3Ny2HrS58AvjK/HfN14gUYnVL4e03LykdIkj+xXk0pvFBLx4yz49ZV+okg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.microsoft.com; spf=pass smtp.mailfrom=linux.microsoft.com; dkim=pass (1024-bit key) header.d=linux.microsoft.com header.i=@linux.microsoft.com header.b=fseko9up; arc=none smtp.client-ip=13.77.154.182 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.microsoft.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.microsoft.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.microsoft.com header.i=@linux.microsoft.com header.b="fseko9up" Received: from romank-3650.corp.microsoft.com (unknown [131.107.1.188]) by linux.microsoft.com (Postfix) with ESMTPSA id 509C82078630; Wed, 8 Oct 2025 16:34:38 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 509C82078630 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1759966478; bh=A/sW4Txq4BEAcrtbSZAL2Hl6CGu5CJrb8pFJartsG9I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fseko9up+AIVhBc4XDeRjmjeY/I1mW5ErUru3TlUTK1+Onfw+DM35goIcmBwxH20Y e6mP3gTtMxkQneuFAKO+rIKgroD/sbr6fQl1fKZrR711ZKuqf24ixNQGXd6qqpvHa1 zVcVZq3MDdmqspQKR9mRxdKxAj4PJ/JhMzekirl0= From: Roman Kisel To: arnd@arndb.de, bp@alien8.de, bagasdotme@gmail.com, corbet@lwn.net, dave.hansen@linux.intel.com, decui@microsoft.com, haiyangz@microsoft.com, hpa@zytor.com, kys@microsoft.com, mikelley@microsoft.com, mingo@redhat.com, tglx@linutronix.de, Tianyu.Lan@microsoft.com, wei.liu@kernel.org, x86@kernel.org, linux-hyperv@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org Cc: benhill@microsoft.com, bperkins@microsoft.com, sunilmut@microsoft.com Subject: [PATCH hyperv-next v7 16/17] Drivers: hv: Set the default VMBus version to 6.0 Date: Wed, 8 Oct 2025 16:34:18 -0700 Message-ID: <20251008233419.20372-17-romank@linux.microsoft.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20251008233419.20372-1-romank@linux.microsoft.com> References: <20251008233419.20372-1-romank@linux.microsoft.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The confidential VMBus is supported by the protocol version 6.0 onwards. Attempt to establish the VMBus 6.0 connection thus enabling the confidential VMBus features when available. Signed-off-by: Roman Kisel Reviewed-by: Michael Kelley --- drivers/hv/connection.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/hv/connection.c b/drivers/hv/connection.c index 5ac9232396f7..5d9cb5bf2d62 100644 --- a/drivers/hv/connection.c +++ b/drivers/hv/connection.c @@ -51,6 +51,7 @@ EXPORT_SYMBOL_GPL(vmbus_proto_version); * Linux guests and are not listed. */ static __u32 vmbus_versions[] =3D { + VERSION_WIN10_V6_0, VERSION_WIN10_V5_3, VERSION_WIN10_V5_2, VERSION_WIN10_V5_1, @@ -65,7 +66,7 @@ static __u32 vmbus_versions[] =3D { * Maximal VMBus protocol version guests can negotiate. Useful to cap the * VMBus version for testing and debugging purpose. */ -static uint max_version =3D VERSION_WIN10_V5_3; +static uint max_version =3D VERSION_WIN10_V6_0; =20 module_param(max_version, uint, S_IRUGO); MODULE_PARM_DESC(max_version, --=20 2.43.0