From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:40126) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gK9DG-0002l5-KG for qemu-devel@nongnu.org; Tue, 06 Nov 2018 16:48:44 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gK93S-0001Ad-Le for qemu-devel@nongnu.org; Tue, 06 Nov 2018 16:38:36 -0500 Received: from mail-wm1-x343.google.com ([2a00:1450:4864:20::343]:53654) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1gK93S-0000Fw-2f for qemu-devel@nongnu.org; Tue, 06 Nov 2018 16:38:34 -0500 Received: by mail-wm1-x343.google.com with SMTP id f10-v6so85575wme.3 for ; Tue, 06 Nov 2018 13:38:16 -0800 (PST) Sender: Paolo Bonzini From: Paolo Bonzini Date: Tue, 6 Nov 2018 22:37:54 +0100 Message-Id: <1541540283-45699-9-git-send-email-pbonzini@redhat.com> In-Reply-To: <1541540283-45699-1-git-send-email-pbonzini@redhat.com> References: <1541540283-45699-1-git-send-email-pbonzini@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Subject: [Qemu-devel] [PULL 08/17] nvdimm: set non-volatile on the memory region List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= From: Marc-André Lureau qemu-system-x86_64 -machine pc,nvdimm -m 2G,slots=4,maxmem=16G -enable-kvm -monitor stdio -object memory-backend-file,id=mem1,share=on,mem-path=/tmp/foo,size=1G -device nvdimm,id=nvdimm1,memdev=mem1 HMP info mtree command reflects the flag with "nv-" prefix on memory type: (qemu) info mtree 0000000100000000-000000013fffffff (prio 0, nv-i/o): alias nvdimm-memory @/objects/mem1 0000000000000000-000000003fffffff (qemu) info mtree -f 0000000100000000-000000013fffffff (prio 0, nv-ram): /objects/mem1 Signed-off-by: Marc-André Lureau Message-Id: <20181003114454.5662-3-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini --- hw/mem/nvdimm.c | 1 + 1 file changed, 1 insertion(+) diff --git a/hw/mem/nvdimm.c b/hw/mem/nvdimm.c index 49324f3..bf2adf5 100644 --- a/hw/mem/nvdimm.c +++ b/hw/mem/nvdimm.c @@ -116,6 +116,7 @@ static void nvdimm_prepare_memory_region(NVDIMMDevice *nvdimm, Error **errp) nvdimm->nvdimm_mr = g_new(MemoryRegion, 1); memory_region_init_alias(nvdimm->nvdimm_mr, OBJECT(dimm), "nvdimm-memory", mr, 0, pmem_size); + memory_region_set_nonvolatile(nvdimm->nvdimm_mr, true); nvdimm->nvdimm_mr->align = align; } -- 1.8.3.1