From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:50546) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Zl0IK-0000q6-SS for qemu-devel@nongnu.org; Sat, 10 Oct 2015 15:59:05 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Zl0IJ-0003pC-R5 for qemu-devel@nongnu.org; Sat, 10 Oct 2015 15:59:04 -0400 Received: from mga03.intel.com ([134.134.136.65]:60642) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Zl0IJ-0003bu-Ld for qemu-devel@nongnu.org; Sat, 10 Oct 2015 15:59:03 -0400 From: Xiao Guangrong Date: Sun, 11 Oct 2015 11:52:52 +0800 Message-Id: <1444535584-18220-21-git-send-email-guangrong.xiao@linux.intel.com> In-Reply-To: <1444535584-18220-1-git-send-email-guangrong.xiao@linux.intel.com> References: <1444535584-18220-1-git-send-email-guangrong.xiao@linux.intel.com> Subject: [Qemu-devel] [PATCH v3 20/32] dimm: introduce realize callback List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: pbonzini@redhat.com, imammedo@redhat.com Cc: Xiao Guangrong , ehabkost@redhat.com, kvm@vger.kernel.org, mst@redhat.com, gleb@kernel.org, mtosatti@redhat.com, qemu-devel@nongnu.org, stefanha@redhat.com, dan.j.williams@intel.com, rth@twiddle.net nvdimm need check if the backend memory is large enough to contain label data and init its memory region when the device is realized, so introduce realize callback which is called after common dimm has been realize Signed-off-by: Xiao Guangrong --- hw/mem/dimm.c | 5 +++++ include/hw/mem/dimm.h | 1 + 2 files changed, 6 insertions(+) diff --git a/hw/mem/dimm.c b/hw/mem/dimm.c index efe964a..7a87761 100644 --- a/hw/mem/dimm.c +++ b/hw/mem/dimm.c @@ -422,6 +422,7 @@ static void dimm_init(Object *obj) static void dimm_realize(DeviceState *dev, Error **errp) { DIMMDevice *dimm = DIMM(dev); + DIMMDeviceClass *ddc = DIMM_GET_CLASS(dimm); if (!dimm->hostmem) { error_setg(errp, "'" DIMM_MEMDEV_PROP "' property is not set"); @@ -434,6 +435,10 @@ static void dimm_realize(DeviceState *dev, Error **errp) dimm->node, nb_numa_nodes ? nb_numa_nodes : 1); return; } + + if (ddc->realize) { + ddc->realize(dimm, errp); + } } static void dimm_class_init(ObjectClass *oc, void *data) diff --git a/include/hw/mem/dimm.h b/include/hw/mem/dimm.h index 84a62ed..663288d 100644 --- a/include/hw/mem/dimm.h +++ b/include/hw/mem/dimm.h @@ -65,6 +65,7 @@ typedef struct DIMMDeviceClass { DeviceClass parent_class; /* public */ + void (*realize)(DIMMDevice *dimm, Error **errp); MemoryRegion *(*get_memory_region)(DIMMDevice *dimm); } DIMMDeviceClass; -- 1.8.3.1