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-rw-r--r--hw/i386/pc.c14
-rw-r--r--hw/mem/nvdimm.c2
-rw-r--r--hw/mem/pc-dimm.c14
-rw-r--r--hw/ppc/spapr.c42
-rw-r--r--include/hw/mem/pc-dimm.h2
5 files changed, 55 insertions, 19 deletions
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 59435390ba..21081041d5 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 db896b0bb6..952fce5ec8 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 ea67b461c2..bdf6649083 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 f7a19720dc..cec441cbf4 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 1e483f2670..6f8c3eb1b3 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;
generated by cgit v1.2.1 (git 2.18.0) at 2024-05-29 23:57:06 +0000