diff options
-rw-r--r-- | hw/i386/pc.c | 14 | ||||
-rw-r--r-- | hw/mem/nvdimm.c | 2 | ||||
-rw-r--r-- | hw/mem/pc-dimm.c | 14 | ||||
-rw-r--r-- | hw/ppc/spapr.c | 42 | ||||
-rw-r--r-- | include/hw/mem/pc-dimm.h | 2 |
5 files changed, 55 insertions, 19 deletions
diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 5943539..2108104 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -1691,10 +1691,15 @@ static void pc_dimm_plug(HotplugHandler *hotplug_dev, PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); PCDIMMDevice *dimm = PC_DIMM(dev); PCDIMMDeviceClass *ddc = PC_DIMM_GET_CLASS(dimm); - MemoryRegion *mr = ddc->get_memory_region(dimm); + MemoryRegion *mr; uint64_t align = TARGET_PAGE_SIZE; bool is_nvdimm = object_dynamic_cast(OBJECT(dev), TYPE_NVDIMM); + mr = ddc->get_memory_region(dimm, &local_err); + if (local_err) { + goto out; + } + if (memory_region_get_alignment(mr) && pcmc->enforce_aligned_dimm) { align = memory_region_get_alignment(mr); } @@ -1758,10 +1763,15 @@ static void pc_dimm_unplug(HotplugHandler *hotplug_dev, PCMachineState *pcms = PC_MACHINE(hotplug_dev); PCDIMMDevice *dimm = PC_DIMM(dev); PCDIMMDeviceClass *ddc = PC_DIMM_GET_CLASS(dimm); - MemoryRegion *mr = ddc->get_memory_region(dimm); + MemoryRegion *mr; HotplugHandlerClass *hhc; Error *local_err = NULL; + mr = ddc->get_memory_region(dimm, &local_err); + if (local_err) { + goto out; + } + hhc = HOTPLUG_HANDLER_GET_CLASS(pcms->acpi_dev); hhc->unplug(HOTPLUG_HANDLER(pcms->acpi_dev), dev, &local_err); diff --git a/hw/mem/nvdimm.c b/hw/mem/nvdimm.c index db896b0..952fce5 100644 --- a/hw/mem/nvdimm.c +++ b/hw/mem/nvdimm.c @@ -71,7 +71,7 @@ static void nvdimm_init(Object *obj) NULL, NULL); } -static MemoryRegion *nvdimm_get_memory_region(PCDIMMDevice *dimm) +static MemoryRegion *nvdimm_get_memory_region(PCDIMMDevice *dimm, Error **errp) { NVDIMMDevice *nvdimm = NVDIMM(dimm); diff --git a/hw/mem/pc-dimm.c b/hw/mem/pc-dimm.c index ea67b46..bdf6649 100644 --- a/hw/mem/pc-dimm.c +++ b/hw/mem/pc-dimm.c @@ -363,7 +363,10 @@ static void pc_dimm_get_size(Object *obj, Visitor *v, const char *name, PCDIMMDevice *dimm = PC_DIMM(obj); PCDIMMDeviceClass *ddc = PC_DIMM_GET_CLASS(obj); - mr = ddc->get_memory_region(dimm); + mr = ddc->get_memory_region(dimm, errp); + if (!mr) { + return; + } value = memory_region_size(mr); visit_type_uint64(v, name, &value, errp); @@ -411,9 +414,14 @@ static void pc_dimm_unrealize(DeviceState *dev, Error **errp) host_memory_backend_set_mapped(dimm->hostmem, false); } -static MemoryRegion *pc_dimm_get_memory_region(PCDIMMDevice *dimm) +static MemoryRegion *pc_dimm_get_memory_region(PCDIMMDevice *dimm, Error **errp) { - return host_memory_backend_get_memory(dimm->hostmem, &error_abort); + if (!dimm->hostmem) { + error_setg(errp, "'" PC_DIMM_MEMDEV_PROP "' property must be set"); + return NULL; + } + + return host_memory_backend_get_memory(dimm->hostmem, errp); } static MemoryRegion *pc_dimm_get_vmstate_memory_region(PCDIMMDevice *dimm) diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index f7a1972..cec441c 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -2772,10 +2772,15 @@ static void spapr_memory_plug(HotplugHandler *hotplug_dev, DeviceState *dev, sPAPRMachineState *ms = SPAPR_MACHINE(hotplug_dev); PCDIMMDevice *dimm = PC_DIMM(dev); PCDIMMDeviceClass *ddc = PC_DIMM_GET_CLASS(dimm); - MemoryRegion *mr = ddc->get_memory_region(dimm); - uint64_t align = memory_region_get_alignment(mr); - uint64_t size = memory_region_size(mr); - uint64_t addr; + MemoryRegion *mr; + uint64_t align, size, addr; + + mr = ddc->get_memory_region(dimm, &local_err); + if (local_err) { + goto out; + } + align = memory_region_get_alignment(mr); + size = memory_region_size(mr); pc_dimm_memory_plug(dev, &ms->hotplug_memory, mr, align, &local_err); if (local_err) { @@ -2808,10 +2813,16 @@ static void spapr_memory_pre_plug(HotplugHandler *hotplug_dev, DeviceState *dev, { PCDIMMDevice *dimm = PC_DIMM(dev); PCDIMMDeviceClass *ddc = PC_DIMM_GET_CLASS(dimm); - MemoryRegion *mr = ddc->get_memory_region(dimm); - uint64_t size = memory_region_size(mr); + MemoryRegion *mr; + uint64_t size; char *mem_dev; + mr = ddc->get_memory_region(dimm, errp); + if (!mr) { + return; + } + size = memory_region_size(mr); + if (size % SPAPR_MEMORY_BLOCK_SIZE) { error_setg(errp, "Hotplugged memory size must be a multiple of " "%lld MB", SPAPR_MEMORY_BLOCK_SIZE / M_BYTE); @@ -2882,7 +2893,7 @@ static sPAPRDIMMState *spapr_recover_pending_dimm_state(sPAPRMachineState *ms, { sPAPRDRConnector *drc; PCDIMMDeviceClass *ddc = PC_DIMM_GET_CLASS(dimm); - MemoryRegion *mr = ddc->get_memory_region(dimm); + MemoryRegion *mr = ddc->get_memory_region(dimm, &error_abort); uint64_t size = memory_region_size(mr); uint32_t nr_lmbs = size / SPAPR_MEMORY_BLOCK_SIZE; uint32_t avail_lmbs = 0; @@ -2912,7 +2923,7 @@ void spapr_lmb_release(DeviceState *dev) sPAPRMachineState *spapr = SPAPR_MACHINE(qdev_get_hotplug_handler(dev)); PCDIMMDevice *dimm = PC_DIMM(dev); PCDIMMDeviceClass *ddc = PC_DIMM_GET_CLASS(dimm); - MemoryRegion *mr = ddc->get_memory_region(dimm); + MemoryRegion *mr = ddc->get_memory_region(dimm, &error_abort); sPAPRDIMMState *ds = spapr_pending_dimm_unplugs_find(spapr, PC_DIMM(dev)); /* This information will get lost if a migration occurs @@ -2945,12 +2956,19 @@ static void spapr_memory_unplug_request(HotplugHandler *hotplug_dev, Error *local_err = NULL; PCDIMMDevice *dimm = PC_DIMM(dev); PCDIMMDeviceClass *ddc = PC_DIMM_GET_CLASS(dimm); - MemoryRegion *mr = ddc->get_memory_region(dimm); - uint64_t size = memory_region_size(mr); - uint32_t nr_lmbs = size / SPAPR_MEMORY_BLOCK_SIZE; - uint64_t addr_start, addr; + MemoryRegion *mr; + uint32_t nr_lmbs; + uint64_t size, addr_start, addr; int i; sPAPRDRConnector *drc; + + mr = ddc->get_memory_region(dimm, &local_err); + if (local_err) { + goto out; + } + size = memory_region_size(mr); + nr_lmbs = size / SPAPR_MEMORY_BLOCK_SIZE; + addr_start = object_property_get_uint(OBJECT(dimm), PC_DIMM_ADDR_PROP, &local_err); if (local_err) { diff --git a/include/hw/mem/pc-dimm.h b/include/hw/mem/pc-dimm.h index 1e483f2..6f8c3eb 100644 --- a/include/hw/mem/pc-dimm.h +++ b/include/hw/mem/pc-dimm.h @@ -71,7 +71,7 @@ typedef struct PCDIMMDeviceClass { /* public */ void (*realize)(PCDIMMDevice *dimm, Error **errp); - MemoryRegion *(*get_memory_region)(PCDIMMDevice *dimm); + MemoryRegion *(*get_memory_region)(PCDIMMDevice *dimm, Error **errp); MemoryRegion *(*get_vmstate_memory_region)(PCDIMMDevice *dimm); } PCDIMMDeviceClass; |