From patchwork Fri Jul 26 06:45:45 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tony Nguyen X-Patchwork-Id: 11060381 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 6532A13AC for ; Fri, 26 Jul 2019 06:46:56 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 543ED28845 for ; Fri, 26 Jul 2019 06:46:56 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 472AB28A4E; Fri, 26 Jul 2019 06:46:56 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id DA0F228845 for ; Fri, 26 Jul 2019 06:46:55 +0000 (UTC) Received: from localhost ([::1]:36666 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hqu0E-0008Qo-MI for patchwork-qemu-devel@patchwork.kernel.org; Fri, 26 Jul 2019 02:46:54 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:45846) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hqtzh-0006Lq-A0 for qemu-devel@nongnu.org; Fri, 26 Jul 2019 02:46:22 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hqtzf-0001aS-6g for qemu-devel@nongnu.org; Fri, 26 Jul 2019 02:46:20 -0400 Received: from smtpe1.intersmtp.com ([213.121.35.75]:2202) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hqtzF-0000ZV-Ma; Fri, 26 Jul 2019 02:45:54 -0400 Received: from tpw09926dag18g.domain1.systemhost.net (10.9.212.34) by BWP09926080.bt.com (10.36.82.111) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P256) id 15.1.1713.5; Fri, 26 Jul 2019 07:45:45 +0100 Received: from tpw09926dag18e.domain1.systemhost.net (10.9.212.18) by tpw09926dag18g.domain1.systemhost.net (10.9.212.34) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Fri, 26 Jul 2019 07:45:45 +0100 Received: from tpw09926dag18e.domain1.systemhost.net ([fe80::a946:6348:ccf4:fa6c]) by tpw09926dag18e.domain1.systemhost.net ([fe80::a946:6348:ccf4:fa6c%12]) with mapi id 15.00.1395.000; Fri, 26 Jul 2019 07:45:45 +0100 From: To: Thread-Topic: [Qemu-devel] [PATCH v5 06/15] hw/virtio: Access MemoryRegion with MemOp Thread-Index: AQHVQ33A5+/YbRBZ/EmkehaXeuuZfQ== Date: Fri, 26 Jul 2019 06:45:45 +0000 Message-ID: <1564123545422.59810@bt.com> References: <3106a3c959c4498fad13a5799c89ba7b@tpw09926dag18e.domain1.systemhost.net> In-Reply-To: <3106a3c959c4498fad13a5799c89ba7b@tpw09926dag18e.domain1.systemhost.net> Accept-Language: en-AU, en-GB, en-US Content-Language: en-AU X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.187.101.42] MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: Windows 7 or 8 [fuzzy] X-Received-From: 213.121.35.75 X-Content-Filtered-By: Mailman/MimeDel 2.1.23 Subject: [Qemu-devel] [PATCH v5 06/15] hw/virtio: Access MemoryRegion with MemOp 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: peter.maydell@linaro.org, walling@linux.ibm.com, sagark@eecs.berkeley.edu, mst@redhat.com, palmer@sifive.com, mark.cave-ayland@ilande.co.uk, laurent@vivier.eu, Alistair.Francis@wdc.com, edgar.iglesias@gmail.com, arikalo@wavecomp.com, david@redhat.com, pasic@linux.ibm.com, borntraeger@de.ibm.com, rth@twiddle.net, atar4qemu@gmail.com, ehabkost@redhat.com, qemu-s390x@nongnu.org, qemu-arm@nongnu.org, stefanha@redhat.com, shorne@gmail.com, david@gibson.dropbear.id.au, qemu-riscv@nongnu.org, kbastian@mail.uni-paderborn.de, cohuck@redhat.com, alex.williamson@redhat.com, qemu-ppc@nongnu.org, amarkovic@wavecomp.com, pbonzini@redhat.com, aurelien@aurel32.net Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP No-op SIZE_MEMOP macro allows us to later easily convert memory_region_dispatch_{read|write} paramter "unsigned size" into a size+sign+endianness encoded "MemOp op". Being a no-op macro, this patch does not introduce any logical change. Signed-off-by: Tony Nguyen Reviewed-by: Richard Henderson --- hw/virtio/virtio-pci.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) -- 1.8.3.1 diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c index ce928f2..265f066 100644 --- a/hw/virtio/virtio-pci.c +++ b/hw/virtio/virtio-pci.c @@ -17,6 +17,7 @@ #include "qemu/osdep.h" +#include "exec/memop.h" #include "standard-headers/linux/virtio_pci.h" #include "hw/virtio/virtio.h" #include "hw/pci/pci.h" @@ -550,7 +551,8 @@ void virtio_address_space_write(VirtIOPCIProxy *proxy, hwaddr addr, /* As length is under guest control, handle illegal values. */ return; } - memory_region_dispatch_write(mr, addr, val, len, MEMTXATTRS_UNSPECIFIED); + memory_region_dispatch_write(mr, addr, val, SIZE_MEMOP(len), + MEMTXATTRS_UNSPECIFIED); } static void @@ -573,7 +575,8 @@ virtio_address_space_read(VirtIOPCIProxy *proxy, hwaddr addr, /* Make sure caller aligned buf properly */ assert(!(((uintptr_t)buf) & (len - 1))); - memory_region_dispatch_read(mr, addr, &val, len, MEMTXATTRS_UNSPECIFIED); + memory_region_dispatch_read(mr, addr, &val, SIZE_MEMOP(len), + MEMTXATTRS_UNSPECIFIED); switch (len) { case 1: pci_set_byte(buf, val);