From patchwork Wed Nov 4 15:18:18 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Stefan Hajnoczi X-Patchwork-Id: 1394116 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=bIDLxp3u; dkim-atps=neutral Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4CR9jg1VM0z9sRK for ; Thu, 5 Nov 2020 02:36:23 +1100 (AEDT) Received: from localhost ([::1]:33706 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kaKph-00042q-6U for incoming@patchwork.ozlabs.org; Wed, 04 Nov 2020 10:36:21 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:60402) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kaKbD-0007xk-E0 for qemu-devel@nongnu.org; Wed, 04 Nov 2020 10:21:23 -0500 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:26898) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kaKb6-0008LI-3V for qemu-devel@nongnu.org; Wed, 04 Nov 2020 10:21:23 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1604503274; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=JNv0TiZ4zapmbEnazkUflaFJKUKWSwL5ypDHx6qKNHE=; b=bIDLxp3udR5cfpnejRe6YPA94xUe8FwGOkfSMdcUnIXARxyVVsk62j8miWjOW3In5kIU5/ Hcr+pf/q053hpHRTRVyFMz9+nE8ahSeveWn7YAOT18IXevspd8f++1G9j79TKntAGbl7oK Xe+o2ifb37wxoEWatdZMN5CGVn7wKf4= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-10-hchZ_auEOBu6uBGDy9Pwww-1; Wed, 04 Nov 2020 10:21:12 -0500 X-MC-Unique: hchZ_auEOBu6uBGDy9Pwww-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 10753101F005; Wed, 4 Nov 2020 15:21:11 +0000 (UTC) Received: from localhost (ovpn-115-145.ams2.redhat.com [10.36.115.145]) by smtp.corp.redhat.com (Postfix) with ESMTP id 00E3960C84; Wed, 4 Nov 2020 15:21:04 +0000 (UTC) From: Stefan Hajnoczi To: qemu-devel@nongnu.org, Peter Maydell Subject: [PULL 23/33] block/nvme: Change size and alignment of prp_list_pages Date: Wed, 4 Nov 2020 15:18:18 +0000 Message-Id: <20201104151828.405824-24-stefanha@redhat.com> In-Reply-To: <20201104151828.405824-1-stefanha@redhat.com> References: <20201104151828.405824-1-stefanha@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Received-SPF: pass client-ip=63.128.21.124; envelope-from=stefanha@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/11/03 22:09:52 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Fam Zheng , Kevin Wolf , qemu-block@nongnu.org, =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= , Eduardo Habkost , kvm@vger.kernel.org, Eric Auger , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Markus Armbruster , Coiby Xu , "Dr. David Alan Gilbert" , Klaus Jensen , Stefan Hajnoczi , Keith Busch , Paolo Bonzini , Max Reitz Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" From: Eric Auger In preparation of 64kB host page support, let's change the size and alignment of the prp_list_pages so that the VFIO DMA MAP succeeds with 64kB host page size. We align on the host page size. Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Eric Auger Reviewed-by: Stefan Hajnoczi Tested-by: Eric Auger Signed-off-by: Philippe Mathieu-Daudé Message-id: 20201029093306.1063879-22-philmd@redhat.com Signed-off-by: Stefan Hajnoczi Tested-by: Eric Auger --- block/nvme.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/block/nvme.c b/block/nvme.c index 4a8589d2d2..e807dd56df 100644 --- a/block/nvme.c +++ b/block/nvme.c @@ -215,6 +215,7 @@ static NVMeQueuePair *nvme_create_queue_pair(BDRVNVMeState *s, int i, r; NVMeQueuePair *q; uint64_t prp_list_iova; + size_t bytes; q = g_try_new0(NVMeQueuePair, 1); if (!q) { @@ -222,19 +223,19 @@ static NVMeQueuePair *nvme_create_queue_pair(BDRVNVMeState *s, } trace_nvme_create_queue_pair(idx, q, size, aio_context, event_notifier_get_fd(s->irq_notifier)); - q->prp_list_pages = qemu_try_memalign(s->page_size, - s->page_size * NVME_NUM_REQS); + bytes = QEMU_ALIGN_UP(s->page_size * NVME_NUM_REQS, + qemu_real_host_page_size); + q->prp_list_pages = qemu_try_memalign(qemu_real_host_page_size, bytes); if (!q->prp_list_pages) { goto fail; } - memset(q->prp_list_pages, 0, s->page_size * NVME_NUM_REQS); + memset(q->prp_list_pages, 0, bytes); qemu_mutex_init(&q->lock); q->s = s; q->index = idx; qemu_co_queue_init(&q->free_req_queue); q->completion_bh = aio_bh_new(aio_context, nvme_process_completion_bh, q); - r = qemu_vfio_dma_map(s->vfio, q->prp_list_pages, - s->page_size * NVME_NUM_REQS, + r = qemu_vfio_dma_map(s->vfio, q->prp_list_pages, bytes, false, &prp_list_iova); if (r) { goto fail;