From patchwork Thu Oct 25 13:32:41 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eduardo Habkost X-Patchwork-Id: 10655875 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 B492117F3 for ; Thu, 25 Oct 2018 14:10:01 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A2DE12BBF9 for ; Thu, 25 Oct 2018 14:10:01 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 96E052BBFE; Thu, 25 Oct 2018 14:10:01 +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=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 2C6E02BBF9 for ; Thu, 25 Oct 2018 14:10:01 +0000 (UTC) Received: from localhost ([::1]:54748 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gFgKm-0002tt-Eh for patchwork-qemu-devel@patchwork.kernel.org; Thu, 25 Oct 2018 10:10:00 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:58318) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gFfoE-0003Y5-HB for qemu-devel@nongnu.org; Thu, 25 Oct 2018 09:36:25 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gFfo8-0000Uy-Hn for qemu-devel@nongnu.org; Thu, 25 Oct 2018 09:36:22 -0400 Received: from mx1.redhat.com ([209.132.183.28]:44086) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gFfo2-0000Qx-FJ; Thu, 25 Oct 2018 09:36:10 -0400 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 3CB487971A; Thu, 25 Oct 2018 13:36:09 +0000 (UTC) Received: from localhost (unknown [10.33.36.149]) by smtp.corp.redhat.com (Postfix) with ESMTP id 2551E60921; Thu, 25 Oct 2018 13:36:07 +0000 (UTC) From: Eduardo Habkost To: Peter Maydell , qemu-devel@nongnu.org Date: Thu, 25 Oct 2018 10:32:41 -0300 Message-Id: <20181025133301.16578-24-ehabkost@redhat.com> In-Reply-To: <20181025133301.16578-1-ehabkost@redhat.com> References: <20181025133301.16578-1-ehabkost@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.25]); Thu, 25 Oct 2018 13:36:09 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PULL v2 23/43] memory-device: forward errors in get_region_size()/get_plugged_size() X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "Michael S. Tsirkin" , libvir-list@redhat.com, Jason Wang , Mark Cave-Ayland , Markus Armbruster , Max Filippov , "Edgar E. Iglesias" , Rob Herring , David Hildenbrand , Alexander Graf , Richard Henderson , Artyom Tarasenko , Laurent Vivier , Thomas Huth , Eduardo Habkost , Alistair Francis , qemu-arm@nongnu.org, Paolo Bonzini , David Gibson , Xiao Guangrong , Peter Crosthwaite , Michael Walle , qemu-ppc@nongnu.org, Aleksandar Markovic , Igor Mammedov , Aurelien Jarno Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: David Hildenbrand Let's properly forward the errors, so errors from get_region_size() / get_plugged_size() can be handled. Users right now call both functions after the device has been realized, which is will never fail, so it is fine to continue using error_abort. While at it, remove a leftover error check (suggested by Igor). Reviewed-by: David Gibson Reviewed-by: Igor Mammedov Reviewed-by: Eric Auger Signed-off-by: David Hildenbrand Message-Id: <20181005092024.14344-8-david@redhat.com> Signed-off-by: Eduardo Habkost --- include/hw/mem/memory-device.h | 4 ++-- hw/mem/memory-device.c | 9 +++------ hw/mem/pc-dimm.c | 5 +++-- 3 files changed, 8 insertions(+), 10 deletions(-) diff --git a/include/hw/mem/memory-device.h b/include/hw/mem/memory-device.h index 2853b084b5..f02b229837 100644 --- a/include/hw/mem/memory-device.h +++ b/include/hw/mem/memory-device.h @@ -33,8 +33,8 @@ typedef struct MemoryDeviceClass { InterfaceClass parent_class; uint64_t (*get_addr)(const MemoryDeviceState *md); - uint64_t (*get_plugged_size)(const MemoryDeviceState *md); - uint64_t (*get_region_size)(const MemoryDeviceState *md); + uint64_t (*get_plugged_size)(const MemoryDeviceState *md, Error **errp); + uint64_t (*get_region_size)(const MemoryDeviceState *md, Error **errp); void (*fill_device_info)(const MemoryDeviceState *md, MemoryDeviceInfo *info); } MemoryDeviceClass; diff --git a/hw/mem/memory-device.c b/hw/mem/memory-device.c index 87369ef2e1..c1e1b81cf2 100644 --- a/hw/mem/memory-device.c +++ b/hw/mem/memory-device.c @@ -60,7 +60,7 @@ static int memory_device_used_region_size(Object *obj, void *opaque) const MemoryDeviceClass *mdc = MEMORY_DEVICE_GET_CLASS(obj); if (dev->realized) { - *size += mdc->get_region_size(md); + *size += mdc->get_region_size(md, &error_abort); } } @@ -167,10 +167,7 @@ uint64_t memory_device_get_free_addr(MachineState *ms, const uint64_t *hint, uint64_t md_size, md_addr; md_addr = mdc->get_addr(md); - md_size = mdc->get_region_size(md); - if (*errp) { - goto out; - } + md_size = mdc->get_region_size(md, &error_abort); if (ranges_overlap(md_addr, md_size, new_addr, size)) { if (hint) { @@ -234,7 +231,7 @@ static int memory_device_plugged_size(Object *obj, void *opaque) const MemoryDeviceClass *mdc = MEMORY_DEVICE_GET_CLASS(obj); if (dev->realized) { - *size += mdc->get_plugged_size(md); + *size += mdc->get_plugged_size(md, &error_abort); } } diff --git a/hw/mem/pc-dimm.c b/hw/mem/pc-dimm.c index f46fb7ada2..130f78d0de 100644 --- a/hw/mem/pc-dimm.c +++ b/hw/mem/pc-dimm.c @@ -234,14 +234,15 @@ static uint64_t pc_dimm_md_get_addr(const MemoryDeviceState *md) return dimm->addr; } -static uint64_t pc_dimm_md_get_region_size(const MemoryDeviceState *md) +static uint64_t pc_dimm_md_get_region_size(const MemoryDeviceState *md, + Error **errp) { /* dropping const here is fine as we don't touch the memory region */ PCDIMMDevice *dimm = PC_DIMM(md); const PCDIMMDeviceClass *ddc = PC_DIMM_GET_CLASS(md); MemoryRegion *mr; - mr = ddc->get_memory_region(dimm, &error_abort); + mr = ddc->get_memory_region(dimm, errp); if (!mr) { return 0; }