From: Xiao Guangrong <guangrong.xiao@linux.intel.com> To: pbonzini@redhat.com, imammedo@redhat.com Cc: gleb@kernel.org, mtosatti@redhat.com, stefanha@redhat.com, mst@redhat.com, rth@twiddle.net, ehabkost@redhat.com, dan.j.williams@intel.com, kvm@vger.kernel.org, qemu-devel@nongnu.org, Xiao Guangrong <guangrong.xiao@linux.intel.com> Subject: [PATCH v6 18/33] dimm: get mapped memory region from DIMMDeviceClass->get_memory_region Date: Fri, 30 Oct 2015 13:56:12 +0800 [thread overview] Message-ID: <1446184587-142784-19-git-send-email-guangrong.xiao@linux.intel.com> (raw) In-Reply-To: <1446184587-142784-1-git-send-email-guangrong.xiao@linux.intel.com> Curretly, the memory region of backed memory is directly mapped to guest's address space, however, it is not true for nvdimm device This patch let dimm device realize this fact and use DIMMDeviceClass->get_memory_region method to get the mapped memory region Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com> --- hw/mem/dimm.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/hw/mem/dimm.c b/hw/mem/dimm.c index 4a63409..498d380 100644 --- a/hw/mem/dimm.c +++ b/hw/mem/dimm.c @@ -377,8 +377,9 @@ static void dimm_get_size(Object *obj, Visitor *v, void *opaque, int64_t value; MemoryRegion *mr; DIMMDevice *dimm = DIMM(obj); + DIMMDeviceClass *ddc = DIMM_GET_CLASS(obj); - mr = host_memory_backend_get_memory(dimm->hostmem, errp); + mr = ddc->get_memory_region(dimm); value = memory_region_size(mr); visit_type_int(v, &value, name, errp); -- 1.8.3.1
WARNING: multiple messages have this Message-ID (diff)
From: Xiao Guangrong <guangrong.xiao@linux.intel.com> To: pbonzini@redhat.com, imammedo@redhat.com Cc: Xiao Guangrong <guangrong.xiao@linux.intel.com>, 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 Subject: [Qemu-devel] [PATCH v6 18/33] dimm: get mapped memory region from DIMMDeviceClass->get_memory_region Date: Fri, 30 Oct 2015 13:56:12 +0800 [thread overview] Message-ID: <1446184587-142784-19-git-send-email-guangrong.xiao@linux.intel.com> (raw) In-Reply-To: <1446184587-142784-1-git-send-email-guangrong.xiao@linux.intel.com> Curretly, the memory region of backed memory is directly mapped to guest's address space, however, it is not true for nvdimm device This patch let dimm device realize this fact and use DIMMDeviceClass->get_memory_region method to get the mapped memory region Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com> --- hw/mem/dimm.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/hw/mem/dimm.c b/hw/mem/dimm.c index 4a63409..498d380 100644 --- a/hw/mem/dimm.c +++ b/hw/mem/dimm.c @@ -377,8 +377,9 @@ static void dimm_get_size(Object *obj, Visitor *v, void *opaque, int64_t value; MemoryRegion *mr; DIMMDevice *dimm = DIMM(obj); + DIMMDeviceClass *ddc = DIMM_GET_CLASS(obj); - mr = host_memory_backend_get_memory(dimm->hostmem, errp); + mr = ddc->get_memory_region(dimm); value = memory_region_size(mr); visit_type_int(v, &value, name, errp); -- 1.8.3.1
next prev parent reply other threads:[~2015-10-30 6:02 UTC|newest] Thread overview: 182+ messages / expand[flat|nested] mbox.gz Atom feed top 2015-10-30 5:55 [PATCH v6 00/33] implement vNVDIMM Xiao Guangrong 2015-10-30 5:55 ` [Qemu-devel] " Xiao Guangrong 2015-10-30 5:55 ` [PATCH v6 01/33] acpi: add aml_derefof Xiao Guangrong 2015-10-30 5:55 ` [Qemu-devel] " Xiao Guangrong 2015-10-30 5:55 ` [PATCH v6 02/33] acpi: add aml_sizeof Xiao Guangrong 2015-10-30 5:55 ` [Qemu-devel] " Xiao Guangrong 2015-10-30 5:55 ` [PATCH v6 03/33] acpi: add aml_create_field Xiao Guangrong 2015-10-30 5:55 ` [Qemu-devel] " Xiao Guangrong 2015-10-30 5:55 ` [PATCH v6 04/33] acpi: add aml_concatenate Xiao Guangrong 2015-10-30 5:55 ` [Qemu-devel] " Xiao Guangrong 2015-10-30 5:55 ` [PATCH v6 05/33] acpi: add aml_object_type Xiao Guangrong 2015-10-30 5:55 ` [Qemu-devel] " Xiao Guangrong 2015-11-09 11:35 ` Michael S. Tsirkin 2015-11-09 11:35 ` [Qemu-devel] " Michael S. Tsirkin 2015-11-09 12:40 ` Igor Mammedov 2015-11-09 12:40 ` [Qemu-devel] " Igor Mammedov 2015-10-30 5:56 ` [PATCH v6 06/33] acpi: add aml_method_serialized Xiao Guangrong 2015-10-30 5:56 ` [Qemu-devel] " Xiao Guangrong 2015-11-09 11:14 ` Michael S. Tsirkin 2015-11-09 11:14 ` [Qemu-devel] " Michael S. Tsirkin 2015-11-09 11:18 ` Xiao Guangrong 2015-11-09 11:18 ` [Qemu-devel] " Xiao Guangrong 2015-10-30 5:56 ` [PATCH v6 07/33] util: introduce qemu_file_get_page_size() Xiao Guangrong 2015-10-30 5:56 ` [Qemu-devel] " Xiao Guangrong 2015-10-30 13:26 ` Vladimir Sementsov-Ogievskiy 2015-10-30 13:26 ` Vladimir Sementsov-Ogievskiy 2015-10-31 7:26 ` Xiao Guangrong 2015-10-31 7:26 ` [Qemu-devel] " Xiao Guangrong 2015-10-31 9:37 ` Vladimir Sementsov-Ogievskiy 2015-10-31 9:37 ` Vladimir Sementsov-Ogievskiy 2015-10-31 14:06 ` Xiao Guangrong 2015-10-31 14:06 ` [Qemu-devel] " Xiao Guangrong 2015-10-30 15:54 ` Eduardo Habkost 2015-10-30 15:54 ` [Qemu-devel] " Eduardo Habkost 2015-10-31 8:09 ` Xiao Guangrong 2015-10-31 8:09 ` [Qemu-devel] " Xiao Guangrong 2015-10-31 14:11 ` Eduardo Habkost 2015-10-31 14:11 ` [Qemu-devel] " Eduardo Habkost 2015-10-31 17:03 ` Xiao Guangrong 2015-10-31 17:03 ` [Qemu-devel] " Xiao Guangrong 2015-11-09 20:00 ` Michael S. Tsirkin 2015-11-09 20:00 ` [Qemu-devel] " Michael S. Tsirkin 2015-10-31 8:25 ` Xiao Guangrong 2015-10-31 8:25 ` [Qemu-devel] " Xiao Guangrong 2015-11-09 10:33 ` Michael S. Tsirkin 2015-11-09 10:33 ` [Qemu-devel] " Michael S. Tsirkin 2015-11-09 10:55 ` Xiao Guangrong 2015-11-09 10:55 ` [Qemu-devel] " Xiao Guangrong 2015-10-30 5:56 ` [PATCH v6 08/33] exec: allow memory to be allocated from any kind of path Xiao Guangrong 2015-10-30 5:56 ` [Qemu-devel] " Xiao Guangrong 2015-10-30 14:04 ` Vladimir Sementsov-Ogievskiy 2015-10-30 14:04 ` Vladimir Sementsov-Ogievskiy 2015-10-31 7:44 ` Xiao Guangrong 2015-10-31 13:55 ` Eduardo Habkost 2015-10-31 13:55 ` Eduardo Habkost 2015-10-31 15:56 ` Xiao Guangrong 2015-10-31 15:56 ` Xiao Guangrong 2015-11-09 10:39 ` Michael S. Tsirkin 2015-11-09 10:39 ` [Qemu-devel] " Michael S. Tsirkin 2015-11-09 11:01 ` Xiao Guangrong 2015-11-09 11:01 ` [Qemu-devel] " Xiao Guangrong 2015-10-30 5:56 ` [PATCH v6 09/33] exec: allow file_ram_alloc to work on file Xiao Guangrong 2015-10-30 5:56 ` [Qemu-devel] " Xiao Guangrong 2015-10-30 14:25 ` Vladimir Sementsov-Ogievskiy 2015-10-30 14:25 ` Vladimir Sementsov-Ogievskiy 2015-10-31 7:53 ` Xiao Guangrong 2015-10-31 7:53 ` [Qemu-devel] " Xiao Guangrong 2015-11-09 10:13 ` Michael S. Tsirkin 2015-11-09 10:13 ` [Qemu-devel] " Michael S. Tsirkin 2015-11-09 10:48 ` Xiao Guangrong 2015-11-09 10:48 ` [Qemu-devel] " Xiao Guangrong 2015-10-30 5:56 ` [PATCH v6 10/33] hostmem-file: clean up memory allocation Xiao Guangrong 2015-10-30 5:56 ` [Qemu-devel] " Xiao Guangrong 2015-10-30 14:54 ` Vladimir Sementsov-Ogievskiy 2015-10-30 14:54 ` Vladimir Sementsov-Ogievskiy 2015-10-30 5:56 ` [PATCH v6 11/33] hostmem-file: use whole file size if possible Xiao Guangrong 2015-10-30 5:56 ` [Qemu-devel] " Xiao Guangrong 2015-10-30 15:27 ` Vladimir Sementsov-Ogievskiy 2015-10-30 15:27 ` Vladimir Sementsov-Ogievskiy 2015-10-31 7:59 ` Xiao Guangrong 2015-10-31 7:59 ` [Qemu-devel] " Xiao Guangrong 2015-10-30 17:30 ` Eduardo Habkost 2015-10-30 17:30 ` Eduardo Habkost 2015-10-31 8:46 ` Xiao Guangrong 2015-10-31 8:46 ` Xiao Guangrong 2015-10-31 13:45 ` Eduardo Habkost 2015-10-31 13:45 ` Eduardo Habkost 2015-10-31 16:59 ` Xiao Guangrong 2015-10-31 16:59 ` [Qemu-devel] " Xiao Guangrong 2015-11-09 10:17 ` Michael S. Tsirkin 2015-11-09 10:17 ` [Qemu-devel] " Michael S. Tsirkin 2015-11-09 10:49 ` Xiao Guangrong 2015-11-09 10:49 ` [Qemu-devel] " Xiao Guangrong 2015-10-30 5:56 ` [PATCH v6 12/33] pc-dimm: remove DEFAULT_PC_DIMMSIZE Xiao Guangrong 2015-10-30 5:56 ` [Qemu-devel] " Xiao Guangrong 2015-11-09 10:40 ` Michael S. Tsirkin 2015-11-09 10:40 ` [Qemu-devel] " Michael S. Tsirkin 2015-11-09 11:03 ` Xiao Guangrong 2015-11-09 11:03 ` [Qemu-devel] " Xiao Guangrong 2015-10-30 5:56 ` [PATCH v6 13/33] pc-dimm: make pc_existing_dimms_capacity static and rename it Xiao Guangrong 2015-10-30 5:56 ` [Qemu-devel] " Xiao Guangrong 2015-10-30 15:38 ` Vladimir Sementsov-Ogievskiy 2015-10-30 15:38 ` Vladimir Sementsov-Ogievskiy 2015-10-30 5:56 ` [PATCH v6 14/33] pc-dimm: drop the prefix of pc-dimm Xiao Guangrong 2015-10-30 5:56 ` [Qemu-devel] " Xiao Guangrong 2015-10-30 16:10 ` Vladimir Sementsov-Ogievskiy 2015-10-30 16:10 ` Vladimir Sementsov-Ogievskiy 2015-10-31 8:18 ` Xiao Guangrong 2015-10-30 17:06 ` Eric Blake 2015-10-31 8:23 ` Xiao Guangrong 2015-11-09 20:05 ` Michael S. Tsirkin 2015-11-09 20:05 ` [Qemu-devel] " Michael S. Tsirkin 2015-10-30 5:56 ` [PATCH v6 15/33] stubs: rename qmp_pc_dimm_device_list.c Xiao Guangrong 2015-10-30 5:56 ` [Qemu-devel] " Xiao Guangrong 2015-10-30 5:56 ` [PATCH v6 16/33] pc-dimm: rename pc-dimm.c and pc-dimm.h Xiao Guangrong 2015-10-30 5:56 ` [Qemu-devel] " Xiao Guangrong 2015-10-31 10:28 ` Vladimir Sementsov-Ogievskiy 2015-10-31 10:28 ` Vladimir Sementsov-Ogievskiy 2015-10-30 5:56 ` [PATCH v6 17/33] dimm: abstract dimm device from pc-dimm Xiao Guangrong 2015-10-30 5:56 ` [Qemu-devel] " Xiao Guangrong 2015-10-31 10:41 ` Vladimir Sementsov-Ogievskiy 2015-10-31 10:41 ` [Qemu-devel] " Vladimir Sementsov-Ogievskiy 2015-10-30 5:56 ` Xiao Guangrong [this message] 2015-10-30 5:56 ` [Qemu-devel] [PATCH v6 18/33] dimm: get mapped memory region from DIMMDeviceClass->get_memory_region Xiao Guangrong 2015-10-31 10:52 ` Vladimir Sementsov-Ogievskiy 2015-10-31 10:52 ` Vladimir Sementsov-Ogievskiy 2015-10-31 14:15 ` Xiao Guangrong 2015-10-31 14:15 ` [Qemu-devel] " Xiao Guangrong 2015-11-02 9:18 ` Xiao Guangrong 2015-10-30 5:56 ` [PATCH v6 19/33] dimm: keep the state of the whole backend memory Xiao Guangrong 2015-10-30 5:56 ` [Qemu-devel] " Xiao Guangrong 2015-10-31 11:05 ` Vladimir Sementsov-Ogievskiy 2015-10-31 11:05 ` Vladimir Sementsov-Ogievskiy 2015-10-31 14:19 ` Xiao Guangrong 2015-11-09 11:04 ` Michael S. Tsirkin 2015-11-09 11:04 ` [Qemu-devel] " Michael S. Tsirkin 2015-11-09 11:13 ` Xiao Guangrong 2015-11-09 11:13 ` [Qemu-devel] " Xiao Guangrong 2015-10-30 5:56 ` [PATCH v6 20/33] dimm: introduce realize callback Xiao Guangrong 2015-10-30 5:56 ` [Qemu-devel] " Xiao Guangrong 2015-10-31 11:22 ` Vladimir Sementsov-Ogievskiy 2015-10-31 11:22 ` [Qemu-devel] " Vladimir Sementsov-Ogievskiy 2015-10-30 5:56 ` [PATCH v6 21/33] nvdimm: implement NVDIMM device abstract Xiao Guangrong 2015-10-30 5:56 ` [Qemu-devel] " Xiao Guangrong 2015-10-30 5:56 ` [PATCH v6 22/33] docs: add NVDIMM ACPI documentation Xiao Guangrong 2015-10-30 5:56 ` [Qemu-devel] " Xiao Guangrong 2015-10-30 5:56 ` [PATCH v6 23/33] nvdimm acpi: init the resource used by NVDIMM ACPI Xiao Guangrong 2015-10-30 5:56 ` [Qemu-devel] " Xiao Guangrong 2015-10-30 5:56 ` [PATCH v6 24/33] nvdimm acpi: build ACPI NFIT table Xiao Guangrong 2015-10-30 5:56 ` [Qemu-devel] " Xiao Guangrong 2015-10-30 5:56 ` [PATCH v6 25/33] nvdimm acpi: build ACPI nvdimm devices Xiao Guangrong 2015-10-30 5:56 ` [Qemu-devel] " Xiao Guangrong 2015-11-08 17:38 ` Michael S. Tsirkin 2015-11-08 17:38 ` [Qemu-devel] " Michael S. Tsirkin 2015-11-09 6:07 ` Xiao Guangrong 2015-11-09 6:07 ` [Qemu-devel] " Xiao Guangrong 2015-10-30 5:56 ` [PATCH v6 26/33] nvdimm acpi: save arg3 for NVDIMM device _DSM method Xiao Guangrong 2015-10-30 5:56 ` [Qemu-devel] " Xiao Guangrong 2015-10-30 5:56 ` [PATCH v6 27/33] nvdimm acpi: support function 0 Xiao Guangrong 2015-10-30 5:56 ` [Qemu-devel] " Xiao Guangrong 2015-10-30 10:14 ` Stefan Hajnoczi 2015-10-30 10:14 ` [Qemu-devel] " Stefan Hajnoczi 2015-10-30 13:01 ` Xiao Guangrong 2015-10-30 13:01 ` [Qemu-devel] " Xiao Guangrong 2015-10-30 5:56 ` [PATCH v6 28/33] nvdimm acpi: support Get Namespace Label Size function Xiao Guangrong 2015-10-30 5:56 ` [Qemu-devel] " Xiao Guangrong 2015-10-30 5:56 ` [PATCH v6 29/33] nvdimm acpi: support Get Namespace Label Data function Xiao Guangrong 2015-10-30 5:56 ` [Qemu-devel] " Xiao Guangrong 2015-10-30 5:56 ` [PATCH v6 30/33] nvdimm acpi: support Set " Xiao Guangrong 2015-10-30 5:56 ` [Qemu-devel] " Xiao Guangrong 2015-10-30 5:56 ` [PATCH v6 31/33] nvdimm: allow using whole backend memory as pmem Xiao Guangrong 2015-10-30 5:56 ` [Qemu-devel] " Xiao Guangrong 2015-10-30 5:56 ` [PATCH v6 32/33] nvdimm acpi: support _FIT method Xiao Guangrong 2015-10-30 5:56 ` [Qemu-devel] " Xiao Guangrong 2015-11-08 17:50 ` Michael S. Tsirkin 2015-11-08 17:50 ` [Qemu-devel] " Michael S. Tsirkin 2015-11-09 6:37 ` Xiao Guangrong 2015-11-09 6:37 ` [Qemu-devel] " Xiao Guangrong 2015-10-30 5:56 ` [PATCH v6 33/33] nvdimm: add maintain info Xiao Guangrong 2015-10-30 5:56 ` [Qemu-devel] " Xiao Guangrong 2015-10-30 10:15 ` [PATCH v6 00/33] implement vNVDIMM Stefan Hajnoczi 2015-10-30 10:15 ` [Qemu-devel] " Stefan Hajnoczi
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