From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: [PATCH 03/23] memory: add memory_region_is_ram() Date: Mon, 19 Dec 2011 16:13:24 +0200 Message-ID: <1324304024-11220-4-git-send-email-avi@redhat.com> References: <1324304024-11220-1-git-send-email-avi@redhat.com> Cc: xen-devel@lists.xensource.com, kvm@vger.kernel.org To: Stefano Stabellini , qemu-devel@nongnu.org, "Michael S. Tsirkin" Return-path: Received: from mx1.redhat.com ([209.132.183.28]:7764 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751706Ab1LSOOG (ORCPT ); Mon, 19 Dec 2011 09:14:06 -0500 In-Reply-To: <1324304024-11220-1-git-send-email-avi@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: Signed-off-by: Avi Kivity --- memory.c | 8 ++++++++ memory.h | 10 ++++++++++ 2 files changed, 18 insertions(+), 0 deletions(-) diff --git a/memory.c b/memory.c index d8b7c27..6fd31d4 100644 --- a/memory.c +++ b/memory.c @@ -831,6 +831,7 @@ void memory_region_init(MemoryRegion *mr, mr->addr = 0; mr->offset = 0; mr->terminates = false; + mr->ram = false; mr->readable = true; mr->readonly = false; mr->destructor = memory_region_destructor_none; @@ -997,6 +998,7 @@ void memory_region_init_ram(MemoryRegion *mr, uint64_t size) { memory_region_init(mr, name, size); + mr->ram = true; mr->terminates = true; mr->destructor = memory_region_destructor_ram; mr->ram_addr = qemu_ram_alloc(dev, name, size, mr); @@ -1010,6 +1012,7 @@ void memory_region_init_ram_ptr(MemoryRegion *mr, void *ptr) { memory_region_init(mr, name, size); + mr->ram = true; mr->terminates = true; mr->destructor = memory_region_destructor_ram_from_ptr; mr->ram_addr = qemu_ram_alloc_from_ptr(dev, name, size, ptr, mr); @@ -1065,6 +1068,11 @@ uint64_t memory_region_size(MemoryRegion *mr) return int128_get64(mr->size); } +bool memory_region_is_ram(MemoryRegion *mr) +{ + return mr->ram; +} + void memory_region_set_offset(MemoryRegion *mr, target_phys_addr_t offset) { mr->offset = offset; diff --git a/memory.h b/memory.h index 1d5c414..13f88c0 100644 --- a/memory.h +++ b/memory.h @@ -122,6 +122,7 @@ struct MemoryRegion { IORange iorange; bool terminates; bool readable; + bool ram; bool readonly; /* For RAM regions */ MemoryRegion *alias; target_phys_addr_t alias_offset; @@ -284,6 +285,15 @@ void memory_region_destroy(MemoryRegion *mr); uint64_t memory_region_size(MemoryRegion *mr); /** + * memory_region_is_ram: check whether a memory region is random access + * + * Returns %true is a memory region is random access. + * + * @mr: the memory region being queried + */ +bool memory_region_is_ram(MemoryRegion *mr); + +/** * memory_region_get_ram_ptr: Get a pointer into a RAM memory region. * * Returns a host pointer to a RAM memory region (created with -- 1.7.7.1