From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from m16.mail.163.com (m16.mail.163.com [220.197.31.4]) (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 2D57B361640 for ; Mon, 13 Jul 2026 10:00:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=220.197.31.4 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783936807; cv=none; b=e+riH9fbssYEN/v5yGuqdNDNYEtlkwvVoV/iq9p2zVWaaQVSBBOBfRaMxWcpSwYxc0OM+agrBn0Q6Qpz9wskUnQkevIFiWympicEtbEACU33VP9p+MUdpXwH6PeActbejGK5MaoaaB+gzkWvAt+bYBM8DGNNs7vrr/dE0ayYDBM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783936807; c=relaxed/simple; bh=OUCPGFYse6O3cBxKTLWZEZyZj7JqS2kufI+OGmui/MY=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=KSPddkvCOGQKCIiZLJfAHVQUB4ugl8uqCXWbd5senw6hnFz1uD55qG9uAnZHr9r0KR6H/Ng960fBKCHNfoebzCaj1mGTvlyuQ73N8EfM7FhKNQXliySCPUCA7oSN3AM3gBp7rn6Yi/o5BIm9g85r6UU5QZ3CdAW0Zangogp24Z0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com; spf=pass smtp.mailfrom=163.com; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b=Cx4lltcu; arc=none smtp.client-ip=220.197.31.4 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=163.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b="Cx4lltcu" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:To:Subject:Date:Message-ID:MIME-Version; bh=0t J+iQHpa1mNYQoyrcv8PkbzLES0TwRipKliQHzapmI=; b=Cx4lltcuO49AicCfMr inIksmEyY+QgOXUDdgiMpaVApq0Q3eJDgoiYakH1620A8LajK4/IA2mOr124N1sM nDfWzhUOmLQpjev7S3AIJDE9ZLynW4wZK4oo7em4PQaJ7PTJYogZiYlyd+mkDAkU Bs23prc4IzA2KjrAP00PPRfCE= Received: from xwm-TianYi510Pro-14IMB.. (unknown []) by gzga-smtp-mtada-g1-4 (Coremail) with SMTP id _____wDn8OcTt1RqMzVVJg--.53896S2; Mon, 13 Jul 2026 17:59:47 +0800 (CST) From: weimin xiong <15927021679@163.com> To: mst@redhat.com Cc: jasowang@redhat.com, virtualization@lists.linux.dev, xiongweimin Subject: [PATCH] vdpa_sim: Document planned packed-ring support Date: Mon, 13 Jul 2026 17:59:47 +0800 Message-ID: <20260713095947.100728-1-15927021679@163.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: virtualization@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID:_____wDn8OcTt1RqMzVVJg--.53896S2 X-Coremail-Antispam: 1Uf129KBjvdXoWrZF18urykJF48Zr13Zw43KFg_yoW3urb_Kw n3Ww40vF15Gr10y3W29FW3ZFyF93y7Jr95uas5Xw4fZ34DX3W2g3WDKFyjv3ZruFZayay3 Gw4avFnrAw1fujkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7IUjaFAtUUUUU== X-CM-SenderInfo: jprvmjixqsilmxzbiqqrwthudrp/xtbC0RSiK2pUtxQbOQAA3z From: xiongweimin Note that VIRTIO_F_RING_PACKED should be advertised once vringh packed helpers exist. No functional change. Signed-off-by: xiongweimin Cc: Michael S. Tsirkin Cc: Jason Wang Cc: virtualization@lists.linux.dev --- --- a/drivers/vdpa/vdpa_sim/vdpa_sim.h +++ b/drivers/vdpa/vdpa_sim/vdpa_sim.h @@ -13,6 +13,10 @@ #include #include +/* + * Once vringh packed helpers land, also advertise VIRTIO_F_RING_PACKED + * here so vdpa_sim can exercise HW-like packed rings. + */ #define VDPASIM_FEATURES ((1ULL << VIRTIO_F_ANY_LAYOUT) | \ (1ULL << VIRTIO_F_VERSION_1) | \ (1ULL << VIRTIO_F_ACCESS_PLATFORM))