From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:45772) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fTmrE-00088r-Db for qemu-devel@nongnu.org; Fri, 15 Jun 2018 07:25:34 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fTmrB-0000un-7R for qemu-devel@nongnu.org; Fri, 15 Jun 2018 07:25:32 -0400 From: David Hildenbrand Date: Fri, 15 Jun 2018 13:24:55 +0200 Message-Id: <20180615112500.19854-8-david@redhat.com> In-Reply-To: <20180615112500.19854-1-david@redhat.com> References: <20180615112500.19854-1-david@redhat.com> Subject: [Qemu-devel] [PATCH v2 07/12] pc-dimm: merge get_(vmstate_)memory_region() List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: qemu-ppc@nongnu.org, Eduardo Habkost , Igor Mammedov , "Michael S . Tsirkin" , Marcel Apfelbaum , Paolo Bonzini , Richard Henderson , Xiao Guangrong , David Gibson , Alexander Graf , David Hildenbrand Importantly, get_vmstate_memory_region() should also fail with a proper error if called before the device is realized. For a PCDIMM, both functions are to return the same thing, so share the implementation. All current users are called after the device has been realized, so we can expect the calls to succeed. Signed-off-by: David Hildenbrand --- hw/mem/pc-dimm.c | 13 +++++-------- include/hw/mem/pc-dimm.h | 3 ++- 2 files changed, 7 insertions(+), 9 deletions(-) diff --git a/hw/mem/pc-dimm.c b/hw/mem/pc-dimm.c index 73f0eee4c7..4ff39b59ef 100644 --- a/hw/mem/pc-dimm.c +++ b/hw/mem/pc-dimm.c @@ -35,7 +35,8 @@ void pc_dimm_plug(DeviceState *dev, MachineState *machine, uint64_t align, int slot; PCDIMMDevice *dimm = PC_DIMM(dev); PCDIMMDeviceClass *ddc = PC_DIMM_GET_CLASS(dimm); - MemoryRegion *vmstate_mr = ddc->get_vmstate_memory_region(dimm); + MemoryRegion *vmstate_mr = ddc->get_vmstate_memory_region(dimm, + &error_abort); Error *local_err = NULL; MemoryRegion *mr; uint64_t addr; @@ -90,7 +91,8 @@ void pc_dimm_unplug(DeviceState *dev, MachineState *machine) { PCDIMMDevice *dimm = PC_DIMM(dev); PCDIMMDeviceClass *ddc = PC_DIMM_GET_CLASS(dimm); - MemoryRegion *vmstate_mr = ddc->get_vmstate_memory_region(dimm); + MemoryRegion *vmstate_mr = ddc->get_vmstate_memory_region(dimm, + &error_abort); MemoryRegion *mr = ddc->get_memory_region(dimm, &error_abort); memory_device_unplug_region(machine, mr); @@ -229,11 +231,6 @@ static MemoryRegion *pc_dimm_get_memory_region(PCDIMMDevice *dimm, Error **errp) return host_memory_backend_get_memory(dimm->hostmem); } -static MemoryRegion *pc_dimm_get_vmstate_memory_region(PCDIMMDevice *dimm) -{ - return host_memory_backend_get_memory(dimm->hostmem); -} - static uint64_t pc_dimm_md_get_addr(const MemoryDeviceState *md) { const PCDIMMDevice *dimm = PC_DIMM(md); @@ -298,7 +295,7 @@ static void pc_dimm_class_init(ObjectClass *oc, void *data) dc->desc = "DIMM memory module"; ddc->get_memory_region = pc_dimm_get_memory_region; - ddc->get_vmstate_memory_region = pc_dimm_get_vmstate_memory_region; + ddc->get_vmstate_memory_region = pc_dimm_get_memory_region; mdc->get_addr = pc_dimm_md_get_addr; /* for a dimm plugged_size == region_size */ diff --git a/include/hw/mem/pc-dimm.h b/include/hw/mem/pc-dimm.h index cf71247630..5679a80465 100644 --- a/include/hw/mem/pc-dimm.h +++ b/include/hw/mem/pc-dimm.h @@ -73,7 +73,8 @@ typedef struct PCDIMMDeviceClass { /* public */ void (*realize)(PCDIMMDevice *dimm, Error **errp); MemoryRegion *(*get_memory_region)(PCDIMMDevice *dimm, Error **errp); - MemoryRegion *(*get_vmstate_memory_region)(PCDIMMDevice *dimm); + MemoryRegion *(*get_vmstate_memory_region)(PCDIMMDevice *dimm, + Error **errp); } PCDIMMDeviceClass; void pc_dimm_plug(DeviceState *dev, MachineState *machine, uint64_t align, -- 2.17.1