From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:48286) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1X1tXX-0002Y5-TT for qemu-devel@nongnu.org; Tue, 01 Jul 2014 04:35:53 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1X1tXR-0000vk-UF for qemu-devel@nongnu.org; Tue, 01 Jul 2014 04:35:47 -0400 Received: from mail-we0-x22a.google.com ([2a00:1450:400c:c03::22a]:52075) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1X1tXR-0000vH-3e for qemu-devel@nongnu.org; Tue, 01 Jul 2014 04:35:41 -0400 Received: by mail-we0-f170.google.com with SMTP id w61so9248134wes.29 for ; Tue, 01 Jul 2014 01:35:40 -0700 (PDT) Sender: Paolo Bonzini From: Paolo Bonzini Date: Tue, 1 Jul 2014 10:35:03 +0200 Message-Id: <1404203705-15674-14-git-send-email-pbonzini@redhat.com> In-Reply-To: <1404203705-15674-1-git-send-email-pbonzini@redhat.com> References: <1404203705-15674-1-git-send-email-pbonzini@redhat.com> Subject: [Qemu-devel] [PULL 13/15] memory: MemoryRegion: Add size property List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Peter Crosthwaite From: Peter Crosthwaite To allow devices to dynamically resize the device. The motivation is to allow devices with variable size to init their memory_region without size early and then correctly populate size at realize() time. Signed-off-by: Peter Crosthwaite Signed-off-by: Paolo Bonzini --- memory.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/memory.c b/memory.c index 834959b..64d7176 100644 --- a/memory.c +++ b/memory.c @@ -971,6 +971,15 @@ static bool memory_region_get_may_overlap(Object *obj, Error **errp) return mr->may_overlap; } +static void memory_region_get_size(Object *obj, Visitor *v, void *opaque, + const char *name, Error **errp) +{ + MemoryRegion *mr = MEMORY_REGION(obj); + uint64_t value = memory_region_size(mr); + + visit_type_uint64(v, &value, name, errp); +} + static void memory_region_initfn(Object *obj) { MemoryRegion *mr = MEMORY_REGION(obj); @@ -1002,6 +1011,10 @@ static void memory_region_initfn(Object *obj) memory_region_get_may_overlap, NULL, /* memory_region_set_may_overlap */ &error_abort); + object_property_add(OBJECT(mr), "size", "uint64", + memory_region_get_size, + NULL, /* memory_region_set_size, */ + NULL, NULL, &error_abort); } static uint64_t unassigned_mem_read(void *opaque, hwaddr addr, -- 1.8.3.1