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authorRajithaY <rajithax.yerrumsetty@intel.com>2017-04-25 03:31:15 -0700
committerRajitha Yerrumchetty <rajithax.yerrumsetty@intel.com>2017-05-22 06:48:08 +0000
commitbb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch)
treeca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/hw/mem
parenta14b48d18a9ed03ec191cf16b162206998a895ce (diff)
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to kvmfornfv repo and make use of the updated latest qemu for the execution of all testcase Change-Id: I1280af507a857675c7f81d30c95255635667bdd7 Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/hw/mem')
-rw-r--r--qemu/hw/mem/Makefile.objs2
-rw-r--r--qemu/hw/mem/nvdimm.c47
-rw-r--r--qemu/hw/mem/pc-dimm.c447
3 files changed, 0 insertions, 496 deletions
diff --git a/qemu/hw/mem/Makefile.objs b/qemu/hw/mem/Makefile.objs
deleted file mode 100644
index f12f8b97a..000000000
--- a/qemu/hw/mem/Makefile.objs
+++ /dev/null
@@ -1,2 +0,0 @@
-common-obj-$(CONFIG_MEM_HOTPLUG) += pc-dimm.o
-common-obj-$(CONFIG_NVDIMM) += nvdimm.o
diff --git a/qemu/hw/mem/nvdimm.c b/qemu/hw/mem/nvdimm.c
deleted file mode 100644
index 0a602f28b..000000000
--- a/qemu/hw/mem/nvdimm.c
+++ /dev/null
@@ -1,47 +0,0 @@
-/*
- * Non-Volatile Dual In-line Memory Module Virtualization Implementation
- *
- * Copyright(C) 2015 Intel Corporation.
- *
- * Author:
- * Xiao Guangrong <guangrong.xiao@linux.intel.com>
- *
- * Currently, it only supports PMEM Virtualization.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, see <http://www.gnu.org/licenses/>
- */
-
-#include "qemu/osdep.h"
-#include "hw/mem/nvdimm.h"
-
-static void nvdimm_class_init(ObjectClass *oc, void *data)
-{
- DeviceClass *dc = DEVICE_CLASS(oc);
-
- /* nvdimm hotplug has not been supported yet. */
- dc->hotpluggable = false;
-}
-
-static TypeInfo nvdimm_info = {
- .name = TYPE_NVDIMM,
- .parent = TYPE_PC_DIMM,
- .class_init = nvdimm_class_init,
-};
-
-static void nvdimm_register_types(void)
-{
- type_register_static(&nvdimm_info);
-}
-
-type_init(nvdimm_register_types)
diff --git a/qemu/hw/mem/pc-dimm.c b/qemu/hw/mem/pc-dimm.c
deleted file mode 100644
index 9e7de5682..000000000
--- a/qemu/hw/mem/pc-dimm.c
+++ /dev/null
@@ -1,447 +0,0 @@
-/*
- * Dimm device for Memory Hotplug
- *
- * Copyright ProfitBricks GmbH 2012
- * Copyright (C) 2014 Red Hat Inc
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, see <http://www.gnu.org/licenses/>
- */
-
-#include "qemu/osdep.h"
-#include "hw/mem/pc-dimm.h"
-#include "qapi/error.h"
-#include "qemu/config-file.h"
-#include "qapi/visitor.h"
-#include "qemu/range.h"
-#include "sysemu/numa.h"
-#include "sysemu/kvm.h"
-#include "trace.h"
-#include "hw/virtio/vhost.h"
-
-typedef struct pc_dimms_capacity {
- uint64_t size;
- Error **errp;
-} pc_dimms_capacity;
-
-void pc_dimm_memory_plug(DeviceState *dev, MemoryHotplugState *hpms,
- MemoryRegion *mr, uint64_t align, Error **errp)
-{
- int slot;
- MachineState *machine = MACHINE(qdev_get_machine());
- PCDIMMDevice *dimm = PC_DIMM(dev);
- Error *local_err = NULL;
- uint64_t existing_dimms_capacity = 0;
- uint64_t addr;
-
- addr = object_property_get_int(OBJECT(dimm), PC_DIMM_ADDR_PROP, &local_err);
- if (local_err) {
- goto out;
- }
-
- addr = pc_dimm_get_free_addr(hpms->base,
- memory_region_size(&hpms->mr),
- !addr ? NULL : &addr, align,
- memory_region_size(mr), &local_err);
- if (local_err) {
- goto out;
- }
-
- existing_dimms_capacity = pc_existing_dimms_capacity(&local_err);
- if (local_err) {
- goto out;
- }
-
- if (existing_dimms_capacity + memory_region_size(mr) >
- machine->maxram_size - machine->ram_size) {
- error_setg(&local_err, "not enough space, currently 0x%" PRIx64
- " in use of total hot pluggable 0x" RAM_ADDR_FMT,
- existing_dimms_capacity,
- machine->maxram_size - machine->ram_size);
- goto out;
- }
-
- object_property_set_int(OBJECT(dev), addr, PC_DIMM_ADDR_PROP, &local_err);
- if (local_err) {
- goto out;
- }
- trace_mhp_pc_dimm_assigned_address(addr);
-
- slot = object_property_get_int(OBJECT(dev), PC_DIMM_SLOT_PROP, &local_err);
- if (local_err) {
- goto out;
- }
-
- slot = pc_dimm_get_free_slot(slot == PC_DIMM_UNASSIGNED_SLOT ? NULL : &slot,
- machine->ram_slots, &local_err);
- if (local_err) {
- goto out;
- }
- object_property_set_int(OBJECT(dev), slot, PC_DIMM_SLOT_PROP, &local_err);
- if (local_err) {
- goto out;
- }
- trace_mhp_pc_dimm_assigned_slot(slot);
-
- if (kvm_enabled() && !kvm_has_free_slot(machine)) {
- error_setg(&local_err, "hypervisor has no free memory slots left");
- goto out;
- }
-
- if (!vhost_has_free_slot()) {
- error_setg(&local_err, "a used vhost backend has no free"
- " memory slots left");
- goto out;
- }
-
- memory_region_add_subregion(&hpms->mr, addr - hpms->base, mr);
- vmstate_register_ram(mr, dev);
- numa_set_mem_node_id(addr, memory_region_size(mr), dimm->node);
-
-out:
- error_propagate(errp, local_err);
-}
-
-void pc_dimm_memory_unplug(DeviceState *dev, MemoryHotplugState *hpms,
- MemoryRegion *mr)
-{
- PCDIMMDevice *dimm = PC_DIMM(dev);
-
- numa_unset_mem_node_id(dimm->addr, memory_region_size(mr), dimm->node);
- memory_region_del_subregion(&hpms->mr, mr);
- vmstate_unregister_ram(mr, dev);
-}
-
-static int pc_existing_dimms_capacity_internal(Object *obj, void *opaque)
-{
- pc_dimms_capacity *cap = opaque;
- uint64_t *size = &cap->size;
-
- if (object_dynamic_cast(obj, TYPE_PC_DIMM)) {
- DeviceState *dev = DEVICE(obj);
-
- if (dev->realized) {
- (*size) += object_property_get_int(obj, PC_DIMM_SIZE_PROP,
- cap->errp);
- }
-
- if (cap->errp && *cap->errp) {
- return 1;
- }
- }
- object_child_foreach(obj, pc_existing_dimms_capacity_internal, opaque);
- return 0;
-}
-
-uint64_t pc_existing_dimms_capacity(Error **errp)
-{
- pc_dimms_capacity cap;
-
- cap.size = 0;
- cap.errp = errp;
-
- pc_existing_dimms_capacity_internal(qdev_get_machine(), &cap);
- return cap.size;
-}
-
-int qmp_pc_dimm_device_list(Object *obj, void *opaque)
-{
- MemoryDeviceInfoList ***prev = opaque;
-
- if (object_dynamic_cast(obj, TYPE_PC_DIMM)) {
- DeviceState *dev = DEVICE(obj);
-
- if (dev->realized) {
- MemoryDeviceInfoList *elem = g_new0(MemoryDeviceInfoList, 1);
- MemoryDeviceInfo *info = g_new0(MemoryDeviceInfo, 1);
- PCDIMMDeviceInfo *di = g_new0(PCDIMMDeviceInfo, 1);
- DeviceClass *dc = DEVICE_GET_CLASS(obj);
- PCDIMMDevice *dimm = PC_DIMM(obj);
-
- if (dev->id) {
- di->has_id = true;
- di->id = g_strdup(dev->id);
- }
- di->hotplugged = dev->hotplugged;
- di->hotpluggable = dc->hotpluggable;
- di->addr = dimm->addr;
- di->slot = dimm->slot;
- di->node = dimm->node;
- di->size = object_property_get_int(OBJECT(dimm), PC_DIMM_SIZE_PROP,
- NULL);
- di->memdev = object_get_canonical_path(OBJECT(dimm->hostmem));
-
- info->u.dimm.data = di;
- elem->value = info;
- elem->next = NULL;
- **prev = elem;
- *prev = &elem->next;
- }
- }
-
- object_child_foreach(obj, qmp_pc_dimm_device_list, opaque);
- return 0;
-}
-
-static int pc_dimm_slot2bitmap(Object *obj, void *opaque)
-{
- unsigned long *bitmap = opaque;
-
- if (object_dynamic_cast(obj, TYPE_PC_DIMM)) {
- DeviceState *dev = DEVICE(obj);
- if (dev->realized) { /* count only realized DIMMs */
- PCDIMMDevice *d = PC_DIMM(obj);
- set_bit(d->slot, bitmap);
- }
- }
-
- object_child_foreach(obj, pc_dimm_slot2bitmap, opaque);
- return 0;
-}
-
-int pc_dimm_get_free_slot(const int *hint, int max_slots, Error **errp)
-{
- unsigned long *bitmap = bitmap_new(max_slots);
- int slot = 0;
-
- object_child_foreach(qdev_get_machine(), pc_dimm_slot2bitmap, bitmap);
-
- /* check if requested slot is not occupied */
- if (hint) {
- if (*hint >= max_slots) {
- error_setg(errp, "invalid slot# %d, should be less than %d",
- *hint, max_slots);
- } else if (!test_bit(*hint, bitmap)) {
- slot = *hint;
- } else {
- error_setg(errp, "slot %d is busy", *hint);
- }
- goto out;
- }
-
- /* search for free slot */
- slot = find_first_zero_bit(bitmap, max_slots);
- if (slot == max_slots) {
- error_setg(errp, "no free slots available");
- }
-out:
- g_free(bitmap);
- return slot;
-}
-
-static gint pc_dimm_addr_sort(gconstpointer a, gconstpointer b)
-{
- PCDIMMDevice *x = PC_DIMM(a);
- PCDIMMDevice *y = PC_DIMM(b);
- Int128 diff = int128_sub(int128_make64(x->addr), int128_make64(y->addr));
-
- if (int128_lt(diff, int128_zero())) {
- return -1;
- } else if (int128_gt(diff, int128_zero())) {
- return 1;
- }
- return 0;
-}
-
-static int pc_dimm_built_list(Object *obj, void *opaque)
-{
- GSList **list = opaque;
-
- if (object_dynamic_cast(obj, TYPE_PC_DIMM)) {
- DeviceState *dev = DEVICE(obj);
- if (dev->realized) { /* only realized DIMMs matter */
- *list = g_slist_insert_sorted(*list, dev, pc_dimm_addr_sort);
- }
- }
-
- object_child_foreach(obj, pc_dimm_built_list, opaque);
- return 0;
-}
-
-uint64_t pc_dimm_get_free_addr(uint64_t address_space_start,
- uint64_t address_space_size,
- uint64_t *hint, uint64_t align, uint64_t size,
- Error **errp)
-{
- GSList *list = NULL, *item;
- uint64_t new_addr, ret = 0;
- uint64_t address_space_end = address_space_start + address_space_size;
-
- g_assert(QEMU_ALIGN_UP(address_space_start, align) == address_space_start);
-
- if (!address_space_size) {
- error_setg(errp, "memory hotplug is not enabled, "
- "please add maxmem option");
- goto out;
- }
-
- if (hint && QEMU_ALIGN_UP(*hint, align) != *hint) {
- error_setg(errp, "address must be aligned to 0x%" PRIx64 " bytes",
- align);
- goto out;
- }
-
- if (QEMU_ALIGN_UP(size, align) != size) {
- error_setg(errp, "backend memory size must be multiple of 0x%"
- PRIx64, align);
- goto out;
- }
-
- assert(address_space_end > address_space_start);
- object_child_foreach(qdev_get_machine(), pc_dimm_built_list, &list);
-
- if (hint) {
- new_addr = *hint;
- } else {
- new_addr = address_space_start;
- }
-
- /* find address range that will fit new DIMM */
- for (item = list; item; item = g_slist_next(item)) {
- PCDIMMDevice *dimm = item->data;
- uint64_t dimm_size = object_property_get_int(OBJECT(dimm),
- PC_DIMM_SIZE_PROP,
- errp);
- if (errp && *errp) {
- goto out;
- }
-
- if (ranges_overlap(dimm->addr, dimm_size, new_addr, size)) {
- if (hint) {
- DeviceState *d = DEVICE(dimm);
- error_setg(errp, "address range conflicts with '%s'", d->id);
- goto out;
- }
- new_addr = QEMU_ALIGN_UP(dimm->addr + dimm_size, align);
- }
- }
- ret = new_addr;
-
- if (new_addr < address_space_start) {
- error_setg(errp, "can't add memory [0x%" PRIx64 ":0x%" PRIx64
- "] at 0x%" PRIx64, new_addr, size, address_space_start);
- } else if ((new_addr + size) > address_space_end) {
- error_setg(errp, "can't add memory [0x%" PRIx64 ":0x%" PRIx64
- "] beyond 0x%" PRIx64, new_addr, size, address_space_end);
- }
-
-out:
- g_slist_free(list);
- return ret;
-}
-
-static Property pc_dimm_properties[] = {
- DEFINE_PROP_UINT64(PC_DIMM_ADDR_PROP, PCDIMMDevice, addr, 0),
- DEFINE_PROP_UINT32(PC_DIMM_NODE_PROP, PCDIMMDevice, node, 0),
- DEFINE_PROP_INT32(PC_DIMM_SLOT_PROP, PCDIMMDevice, slot,
- PC_DIMM_UNASSIGNED_SLOT),
- DEFINE_PROP_END_OF_LIST(),
-};
-
-static void pc_dimm_get_size(Object *obj, Visitor *v, const char *name,
- void *opaque, Error **errp)
-{
- int64_t value;
- MemoryRegion *mr;
- PCDIMMDevice *dimm = PC_DIMM(obj);
-
- mr = host_memory_backend_get_memory(dimm->hostmem, errp);
- value = memory_region_size(mr);
-
- visit_type_int(v, name, &value, errp);
-}
-
-static void pc_dimm_check_memdev_is_busy(Object *obj, const char *name,
- Object *val, Error **errp)
-{
- MemoryRegion *mr;
- Error *local_err = NULL;
-
- mr = host_memory_backend_get_memory(MEMORY_BACKEND(val), &local_err);
- if (local_err) {
- goto out;
- }
- if (memory_region_is_mapped(mr)) {
- char *path = object_get_canonical_path_component(val);
- error_setg(&local_err, "can't use already busy memdev: %s", path);
- g_free(path);
- } else {
- qdev_prop_allow_set_link_before_realize(obj, name, val, &local_err);
- }
-
-out:
- error_propagate(errp, local_err);
-}
-
-static void pc_dimm_init(Object *obj)
-{
- PCDIMMDevice *dimm = PC_DIMM(obj);
-
- object_property_add(obj, PC_DIMM_SIZE_PROP, "int", pc_dimm_get_size,
- NULL, NULL, NULL, &error_abort);
- object_property_add_link(obj, PC_DIMM_MEMDEV_PROP, TYPE_MEMORY_BACKEND,
- (Object **)&dimm->hostmem,
- pc_dimm_check_memdev_is_busy,
- OBJ_PROP_LINK_UNREF_ON_RELEASE,
- &error_abort);
-}
-
-static void pc_dimm_realize(DeviceState *dev, Error **errp)
-{
- PCDIMMDevice *dimm = PC_DIMM(dev);
-
- if (!dimm->hostmem) {
- error_setg(errp, "'" PC_DIMM_MEMDEV_PROP "' property is not set");
- return;
- }
- if (((nb_numa_nodes > 0) && (dimm->node >= nb_numa_nodes)) ||
- (!nb_numa_nodes && dimm->node)) {
- error_setg(errp, "'DIMM property " PC_DIMM_NODE_PROP " has value %"
- PRIu32 "' which exceeds the number of numa nodes: %d",
- dimm->node, nb_numa_nodes ? nb_numa_nodes : 1);
- return;
- }
-}
-
-static MemoryRegion *pc_dimm_get_memory_region(PCDIMMDevice *dimm)
-{
- return host_memory_backend_get_memory(dimm->hostmem, &error_abort);
-}
-
-static void pc_dimm_class_init(ObjectClass *oc, void *data)
-{
- DeviceClass *dc = DEVICE_CLASS(oc);
- PCDIMMDeviceClass *ddc = PC_DIMM_CLASS(oc);
-
- dc->realize = pc_dimm_realize;
- dc->props = pc_dimm_properties;
- dc->desc = "DIMM memory module";
-
- ddc->get_memory_region = pc_dimm_get_memory_region;
-}
-
-static TypeInfo pc_dimm_info = {
- .name = TYPE_PC_DIMM,
- .parent = TYPE_DEVICE,
- .instance_size = sizeof(PCDIMMDevice),
- .instance_init = pc_dimm_init,
- .class_init = pc_dimm_class_init,
- .class_size = sizeof(PCDIMMDeviceClass),
-};
-
-static void pc_dimm_register_types(void)
-{
- type_register_static(&pc_dimm_info);
-}
-
-type_init(pc_dimm_register_types)