From patchwork Fri Oct 5 09:20:21 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Hildenbrand X-Patchwork-Id: 979381 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=2001:4830:134:3::11; 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 Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 42RPnM5cvCz9s3C for ; Fri, 5 Oct 2018 19:37:59 +1000 (AEST) Received: from localhost ([::1]:34144 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1g8MYX-000057-8F for incoming@patchwork.ozlabs.org; Fri, 05 Oct 2018 05:37:57 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:47428) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1g8MRe-0001qa-Sc for qemu-devel@nongnu.org; Fri, 05 Oct 2018 05:30:52 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1g8MJZ-0006tZ-VD for qemu-devel@nongnu.org; Fri, 05 Oct 2018 05:22:33 -0400 Received: from mx1.redhat.com ([209.132.183.28]:57036) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1g8MJZ-0006sq-LK; Fri, 05 Oct 2018 05:22:29 -0400 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id E4C5481DED; Fri, 5 Oct 2018 09:22:28 +0000 (UTC) Received: from t460s.redhat.com (ovpn-116-131.ams2.redhat.com [10.36.116.131]) by smtp.corp.redhat.com (Postfix) with ESMTP id 4EB5E105704B; Fri, 5 Oct 2018 09:22:25 +0000 (UTC) From: David Hildenbrand To: qemu-devel@nongnu.org Date: Fri, 5 Oct 2018 11:20:21 +0200 Message-Id: <20181005092024.14344-14-david@redhat.com> In-Reply-To: <20181005092024.14344-1-david@redhat.com> References: <20181005092024.14344-1-david@redhat.com> X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.25]); Fri, 05 Oct 2018 09:22:29 +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] [PATCH v5 13/16] memory-device: complete factoring out pre_plug handling 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: Pankaj Gupta , Eduardo Habkost , "Michael S . Tsirkin" , Xiao Guangrong , David Hildenbrand , "Dr . David Alan Gilbert" , Markus Armbruster , Auger Eric , Alexander Graf , qemu-ppc@nongnu.org, Paolo Bonzini , Igor Mammedov , Luiz Capitulino , David Gibson , Richard Henderson Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" With all required memory device class functions in place, we can factor out pre_plug handling of memory devices. Take proper care of errors. We still have to carry along legacy_align required for pc compatibility handling. We will factor out tracing of the address separately in a follow-up patch. Reviewed-by: David Gibson Reviewed-by: Igor Mammedov Signed-off-by: David Hildenbrand --- hw/mem/memory-device.c | 32 +++++++++++++++++++++++++++++--- hw/mem/pc-dimm.c | 15 +++------------ include/hw/mem/memory-device.h | 5 ++--- 3 files changed, 34 insertions(+), 18 deletions(-) diff --git a/hw/mem/memory-device.c b/hw/mem/memory-device.c index 07749bab69..aa4ddd5918 100644 --- a/hw/mem/memory-device.c +++ b/hw/mem/memory-device.c @@ -93,9 +93,10 @@ static void memory_device_check_addable(MachineState *ms, uint64_t size, } -uint64_t memory_device_get_free_addr(MachineState *ms, const uint64_t *hint, - uint64_t align, uint64_t size, - Error **errp) +static uint64_t memory_device_get_free_addr(MachineState *ms, + const uint64_t *hint, + uint64_t align, uint64_t size, + Error **errp) { uint64_t address_space_start, address_space_end; GSList *list = NULL, *item; @@ -247,6 +248,31 @@ uint64_t get_plugged_memory_size(void) return size; } +void memory_device_pre_plug(MemoryDeviceState *md, MachineState *ms, + const uint64_t *legacy_align, Error **errp) +{ + const MemoryDeviceClass *mdc = MEMORY_DEVICE_GET_CLASS(md); + Error *local_err = NULL; + uint64_t addr, align; + MemoryRegion *mr; + + mr = mdc->get_memory_region(md, &local_err); + if (local_err) { + goto out; + } + + align = legacy_align ? *legacy_align : memory_region_get_alignment(mr); + addr = mdc->get_addr(md); + addr = memory_device_get_free_addr(ms, !addr ? NULL : &addr, align, + memory_region_size(mr), &local_err); + if (local_err) { + goto out; + } + mdc->set_addr(md, addr, &local_err); +out: + error_propagate(errp, local_err); +} + void memory_device_plug_region(MachineState *ms, MemoryRegion *mr, uint64_t addr) { diff --git a/hw/mem/pc-dimm.c b/hw/mem/pc-dimm.c index 4a15091734..b2959bcf0e 100644 --- a/hw/mem/pc-dimm.c +++ b/hw/mem/pc-dimm.c @@ -32,10 +32,8 @@ static int pc_dimm_get_free_slot(const int *hint, int max_slots, Error **errp); void pc_dimm_pre_plug(PCDIMMDevice *dimm, MachineState *machine, const uint64_t *legacy_align, Error **errp) { - MemoryDeviceClass *mdc = MEMORY_DEVICE_GET_CLASS(dimm); Error *local_err = NULL; - MemoryRegion *mr; - uint64_t addr, align; + uint64_t addr; int slot; slot = object_property_get_int(OBJECT(dimm), PC_DIMM_SLOT_PROP, @@ -49,22 +47,15 @@ void pc_dimm_pre_plug(PCDIMMDevice *dimm, MachineState *machine, &error_abort); trace_mhp_pc_dimm_assigned_slot(slot); - mr = mdc->get_memory_region(MEMORY_DEVICE(dimm), &local_err); + memory_device_pre_plug(MEMORY_DEVICE(dimm), machine, legacy_align, + &local_err); if (local_err) { goto out; } - align = legacy_align ? *legacy_align : memory_region_get_alignment(mr); addr = object_property_get_uint(OBJECT(dimm), PC_DIMM_ADDR_PROP, &error_abort); - addr = memory_device_get_free_addr(machine, !addr ? NULL : &addr, align, - memory_region_size(mr), &local_err); - if (local_err) { - goto out; - } trace_mhp_pc_dimm_assigned_address(addr); - object_property_set_uint(OBJECT(dimm), addr, PC_DIMM_ADDR_PROP, - &error_abort); out: error_propagate(errp, local_err); } diff --git a/include/hw/mem/memory-device.h b/include/hw/mem/memory-device.h index ed7cf5bf4b..d92acd2425 100644 --- a/include/hw/mem/memory-device.h +++ b/include/hw/mem/memory-device.h @@ -99,9 +99,8 @@ typedef struct MemoryDeviceClass { MemoryDeviceInfoList *qmp_memory_device_list(void); uint64_t get_plugged_memory_size(void); -uint64_t memory_device_get_free_addr(MachineState *ms, const uint64_t *hint, - uint64_t align, uint64_t size, - Error **errp); +void memory_device_pre_plug(MemoryDeviceState *md, MachineState *ms, + const uint64_t *legacy_align, Error **errp); void memory_device_plug_region(MachineState *ms, MemoryRegion *mr, uint64_t addr); void memory_device_unplug_region(MachineState *ms, MemoryRegion *mr);