aboutsummaryrefslogtreecommitdiff
path: root/hw
diff options
context:
space:
mode:
Diffstat (limited to 'hw')
-rw-r--r--hw/cpu/Makefile.objs1
-rw-r--r--hw/cpu/icc_bus.c118
-rw-r--r--hw/i386/pc.c57
-rw-r--r--hw/i386/pc_piix.c25
-rw-r--r--hw/i386/pc_q35.c21
-rw-r--r--hw/intc/apic_common.c11
-rw-r--r--hw/mem/pc-dimm.c15
-rw-r--r--hw/net/virtio-net.c8
-rw-r--r--hw/ppc/spapr.c2
-rw-r--r--hw/virtio/virtio-pci.c17
-rw-r--r--hw/virtio/virtio.c21
11 files changed, 96 insertions, 200 deletions
diff --git a/hw/cpu/Makefile.objs b/hw/cpu/Makefile.objs
index 6381238..0954a18 100644
--- a/hw/cpu/Makefile.objs
+++ b/hw/cpu/Makefile.objs
@@ -2,5 +2,4 @@ obj-$(CONFIG_ARM11MPCORE) += arm11mpcore.o
obj-$(CONFIG_REALVIEW) += realview_mpcore.o
obj-$(CONFIG_A9MPCORE) += a9mpcore.o
obj-$(CONFIG_A15MPCORE) += a15mpcore.o
-obj-$(CONFIG_ICC_BUS) += icc_bus.o
diff --git a/hw/cpu/icc_bus.c b/hw/cpu/icc_bus.c
deleted file mode 100644
index 6646ea2..0000000
--- a/hw/cpu/icc_bus.c
+++ /dev/null
@@ -1,118 +0,0 @@
-/* icc_bus.c
- * emulate x86 ICC (Interrupt Controller Communications) bus
- *
- * Copyright (c) 2013 Red Hat, Inc
- *
- * Authors:
- * Igor Mammedov <imammedo@redhat.com>
- *
- * 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 "hw/cpu/icc_bus.h"
-#include "hw/sysbus.h"
-
-/* icc-bridge implementation */
-
-static const TypeInfo icc_bus_info = {
- .name = TYPE_ICC_BUS,
- .parent = TYPE_BUS,
- .instance_size = sizeof(ICCBus),
-};
-
-
-/* icc-device implementation */
-
-static void icc_device_realize(DeviceState *dev, Error **errp)
-{
- ICCDeviceClass *idc = ICC_DEVICE_GET_CLASS(dev);
-
- /* convert to QOM */
- if (idc->realize) {
- idc->realize(dev, errp);
- }
-
-}
-
-static void icc_device_class_init(ObjectClass *oc, void *data)
-{
- DeviceClass *dc = DEVICE_CLASS(oc);
-
- dc->realize = icc_device_realize;
- dc->bus_type = TYPE_ICC_BUS;
-}
-
-static const TypeInfo icc_device_info = {
- .name = TYPE_ICC_DEVICE,
- .parent = TYPE_DEVICE,
- .abstract = true,
- .instance_size = sizeof(ICCDevice),
- .class_size = sizeof(ICCDeviceClass),
- .class_init = icc_device_class_init,
-};
-
-
-/* icc-bridge implementation */
-
-typedef struct ICCBridgeState {
- /*< private >*/
- SysBusDevice parent_obj;
- /*< public >*/
-
- ICCBus icc_bus;
- MemoryRegion apic_container;
-} ICCBridgeState;
-
-#define ICC_BRIDGE(obj) OBJECT_CHECK(ICCBridgeState, (obj), TYPE_ICC_BRIDGE)
-
-static void icc_bridge_init(Object *obj)
-{
- ICCBridgeState *s = ICC_BRIDGE(obj);
- SysBusDevice *sb = SYS_BUS_DEVICE(obj);
-
- qbus_create_inplace(&s->icc_bus, sizeof(s->icc_bus), TYPE_ICC_BUS,
- DEVICE(s), "icc");
-
- /* Do not change order of registering regions,
- * APIC must be first registered region, board maps it by 0 index
- */
- memory_region_init(&s->apic_container, obj, "icc-apic-container",
- APIC_SPACE_SIZE);
- sysbus_init_mmio(sb, &s->apic_container);
- s->icc_bus.apic_address_space = &s->apic_container;
-}
-
-static void icc_bridge_class_init(ObjectClass *oc, void *data)
-{
- DeviceClass *dc = DEVICE_CLASS(oc);
-
- set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories);
-}
-
-static const TypeInfo icc_bridge_info = {
- .name = TYPE_ICC_BRIDGE,
- .parent = TYPE_SYS_BUS_DEVICE,
- .instance_init = icc_bridge_init,
- .instance_size = sizeof(ICCBridgeState),
- .class_init = icc_bridge_class_init,
-};
-
-
-static void icc_bus_register_types(void)
-{
- type_register_static(&icc_bus_info);
- type_register_static(&icc_device_info);
- type_register_static(&icc_bridge_info);
-}
-
-type_init(icc_bus_register_types)
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 461c128..9275297 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -59,7 +59,6 @@
#include "qemu/error-report.h"
#include "hw/acpi/acpi.h"
#include "hw/acpi/cpu_hotplug.h"
-#include "hw/cpu/icc_bus.h"
#include "hw/boards.h"
#include "hw/pci/pci_host.h"
#include "acpi-build.h"
@@ -1052,23 +1051,16 @@ void pc_acpi_smi_interrupt(void *opaque, int irq, int level)
}
static X86CPU *pc_new_cpu(const char *cpu_model, int64_t apic_id,
- DeviceState *icc_bridge, Error **errp)
+ Error **errp)
{
X86CPU *cpu = NULL;
Error *local_err = NULL;
- if (icc_bridge == NULL) {
- error_setg(&local_err, "Invalid icc-bridge value");
- goto out;
- }
-
cpu = cpu_x86_create(cpu_model, &local_err);
if (local_err != NULL) {
goto out;
}
- qdev_set_parent_bus(DEVICE(cpu), qdev_get_child_bus(icc_bridge, "icc"));
-
object_property_set_int(OBJECT(cpu), apic_id, "apic-id", &local_err);
object_property_set_bool(OBJECT(cpu), true, "realized", &local_err);
@@ -1085,7 +1077,6 @@ static const char *current_cpu_model;
void pc_hot_add_cpu(const int64_t id, Error **errp)
{
- DeviceState *icc_bridge;
X86CPU *cpu;
int64_t apic_id = x86_cpu_apic_id_from_index(id);
Error *local_err = NULL;
@@ -1114,9 +1105,7 @@ void pc_hot_add_cpu(const int64_t id, Error **errp)
return;
}
- icc_bridge = DEVICE(object_resolve_path_type("icc-bridge",
- TYPE_ICC_BRIDGE, NULL));
- cpu = pc_new_cpu(current_cpu_model, apic_id, icc_bridge, &local_err);
+ cpu = pc_new_cpu(current_cpu_model, apic_id, &local_err);
if (local_err) {
error_propagate(errp, local_err);
return;
@@ -1124,7 +1113,7 @@ void pc_hot_add_cpu(const int64_t id, Error **errp)
object_unref(OBJECT(cpu));
}
-void pc_cpus_init(const char *cpu_model, DeviceState *icc_bridge)
+void pc_cpus_init(const char *cpu_model)
{
int i;
X86CPU *cpu = NULL;
@@ -1150,7 +1139,7 @@ void pc_cpus_init(const char *cpu_model, DeviceState *icc_bridge)
for (i = 0; i < smp_cpus; i++) {
cpu = pc_new_cpu(cpu_model, x86_cpu_apic_id_from_index(i),
- icc_bridge, &error);
+ &error);
if (error) {
error_report_err(error);
exit(1);
@@ -1158,13 +1147,6 @@ void pc_cpus_init(const char *cpu_model, DeviceState *icc_bridge)
object_unref(OBJECT(cpu));
}
- /* map APIC MMIO area if CPU has APIC */
- if (cpu && cpu->apic_state) {
- /* XXX: what if the base changes? */
- sysbus_mmio_map_overlap(SYS_BUS_DEVICE(icc_bridge), 0,
- APIC_DEFAULT_ADDRESS, 0x1000);
- }
-
/* tell smbios about cpuid version and features */
smbios_set_cpuid(cpu->env.cpuid_version, cpu->env.features[FEAT_1_EDX]);
}
@@ -1629,6 +1611,7 @@ static void pc_dimm_plug(HotplugHandler *hotplug_dev,
HotplugHandlerClass *hhc;
Error *local_err = NULL;
PCMachineState *pcms = PC_MACHINE(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);
@@ -1644,7 +1627,8 @@ static void pc_dimm_plug(HotplugHandler *hotplug_dev,
goto out;
}
- pc_dimm_memory_plug(dev, &pcms->hotplug_memory, mr, align, &local_err);
+ pc_dimm_memory_plug(dev, &pcms->hotplug_memory, mr, align,
+ pcmc->inter_dimm_gap, &local_err);
if (local_err) {
goto out;
}
@@ -1931,12 +1915,31 @@ static void pc_machine_initfn(Object *obj)
NULL, &error_abort);
}
+static void pc_machine_reset(void)
+{
+ CPUState *cs;
+ X86CPU *cpu;
+
+ qemu_devices_reset();
+
+ /* Reset APIC after devices have been reset to cancel
+ * any changes that qemu_devices_reset() might have done.
+ */
+ CPU_FOREACH(cs) {
+ cpu = X86_CPU(cs);
+
+ if (cpu->apic_state) {
+ device_reset(cpu->apic_state);
+ }
+ }
+}
+
static unsigned pc_cpu_index_to_socket_id(unsigned cpu_index)
{
- unsigned pkg_id, core_id, smt_id;
+ X86CPUTopoInfo topo;
x86_topo_ids_from_idx(smp_cores, smp_threads, cpu_index,
- &pkg_id, &core_id, &smt_id);
- return pkg_id;
+ &topo);
+ return topo.pkg_id;
}
static void pc_machine_class_init(ObjectClass *oc, void *data)
@@ -1945,12 +1948,14 @@ static void pc_machine_class_init(ObjectClass *oc, void *data)
PCMachineClass *pcmc = PC_MACHINE_CLASS(oc);
HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc);
+ pcmc->inter_dimm_gap = true;
pcmc->get_hotplug_handler = mc->get_hotplug_handler;
mc->get_hotplug_handler = pc_get_hotpug_handler;
mc->cpu_index_to_socket_id = pc_cpu_index_to_socket_id;
mc->default_boot_order = "cad";
mc->hot_add_cpu = pc_hot_add_cpu;
mc->max_cpus = 255;
+ mc->reset = pc_machine_reset;
hc->plug = pc_machine_device_plug_cb;
hc->unplug_request = pc_machine_device_unplug_request_cb;
hc->unplug = pc_machine_device_unplug_cb;
diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
index 3ffb05f..ae7bbeb 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -39,7 +39,6 @@
#include "hw/kvm/clock.h"
#include "sysemu/sysemu.h"
#include "hw/sysbus.h"
-#include "hw/cpu/icc_bus.h"
#include "sysemu/arch_init.h"
#include "sysemu/block-backend.h"
#include "hw/i2c/smbus.h"
@@ -98,7 +97,6 @@ static void pc_init1(MachineState *machine,
MemoryRegion *ram_memory;
MemoryRegion *pci_memory;
MemoryRegion *rom_memory;
- DeviceState *icc_bridge;
PcGuestInfo *guest_info;
ram_addr_t lowmem;
@@ -141,11 +139,7 @@ static void pc_init1(MachineState *machine,
exit(1);
}
- icc_bridge = qdev_create(NULL, TYPE_ICC_BRIDGE);
- object_property_add_child(qdev_get_machine(), "icc-bridge",
- OBJECT(icc_bridge), NULL);
-
- pc_cpus_init(machine->cpu_model, icc_bridge);
+ pc_cpus_init(machine->cpu_model);
if (kvm_enabled() && kvmclock_enabled) {
kvmclock_create();
@@ -226,7 +220,6 @@ static void pc_init1(MachineState *machine,
if (pci_enabled) {
ioapic_init_gsi(gsi_state, "i440fx");
}
- qdev_init_nofail(icc_bridge);
pc_register_ferr_irq(gsi[13]);
@@ -301,6 +294,13 @@ static void pc_init1(MachineState *machine,
}
}
+/* Looking for a pc_compat_2_4() function? It doesn't exist.
+ * pc_compat_*() functions that run on machine-init time and
+ * change global QEMU state are deprecated. Please don't create
+ * one, and implement any pc-*-2.4 (and newer) compat code in
+ * HW_COMPAT_*, PC_COMPAT_*, or * pc_*_machine_options().
+ */
+
static void pc_compat_2_3(MachineState *machine)
{
PCMachineState *pcms = PC_MACHINE(machine);
@@ -325,7 +325,7 @@ static void pc_compat_2_1(MachineState *machine)
pc_compat_2_2(machine);
smbios_uuid_encoded = false;
- x86_cpu_compat_kvm_no_autodisable(FEAT_8000_0001_ECX, CPUID_EXT3_SVM);
+ x86_cpu_change_kvm_default("svm", NULL);
pcms->enforce_aligned_dimm = false;
}
@@ -361,7 +361,7 @@ static void pc_compat_1_7(MachineState *machine)
gigabyte_align = false;
option_rom_has_mr = true;
legacy_acpi_table_size = 6414;
- x86_cpu_compat_kvm_no_autoenable(FEAT_1_ECX, CPUID_EXT_X2APIC);
+ x86_cpu_change_kvm_default("x2apic", NULL);
}
static void pc_compat_1_6(MachineState *machine)
@@ -391,7 +391,7 @@ static void pc_compat_1_3(MachineState *machine)
static void pc_compat_1_2(MachineState *machine)
{
pc_compat_1_3(machine);
- x86_cpu_compat_kvm_no_autoenable(FEAT_KVM, 1 << KVM_FEATURE_PV_EOI);
+ x86_cpu_change_kvm_default("kvm-pv-eoi", NULL);
}
/* PC compat function for pc-0.10 to pc-0.13 */
@@ -414,7 +414,7 @@ static void pc_init_isa(MachineState *machine)
if (!machine->cpu_model) {
machine->cpu_model = "486";
}
- x86_cpu_compat_kvm_no_autoenable(FEAT_KVM, 1 << KVM_FEATURE_PV_EOI);
+ x86_cpu_change_kvm_default("kvm-pv-eoi", NULL);
enable_compat_apic_id_mode();
pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, TYPE_I440FX_PCI_DEVICE);
}
@@ -482,6 +482,7 @@ static void pc_i440fx_2_4_machine_options(MachineClass *m)
m->alias = NULL;
m->is_default = 0;
pcmc->broken_reserved_end = true;
+ pcmc->inter_dimm_gap = false;
SET_MACHINE_COMPAT(m, PC_COMPAT_2_4);
}
diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
index 1b7d3b6..19e6670 100644
--- a/hw/i386/pc_q35.c
+++ b/hw/i386/pc_q35.c
@@ -43,7 +43,6 @@
#include "hw/ide/pci.h"
#include "hw/ide/ahci.h"
#include "hw/usb.h"
-#include "hw/cpu/icc_bus.h"
#include "qemu/error-report.h"
#include "migration/migration.h"
@@ -83,7 +82,6 @@ static void pc_q35_init(MachineState *machine)
int i;
ICH9LPCState *ich9_lpc;
PCIDevice *ahci;
- DeviceState *icc_bridge;
PcGuestInfo *guest_info;
ram_addr_t lowmem;
DriveInfo *hd[MAX_SATA_PORTS];
@@ -130,11 +128,7 @@ static void pc_q35_init(MachineState *machine)
exit(1);
}
- icc_bridge = qdev_create(NULL, TYPE_ICC_BRIDGE);
- object_property_add_child(qdev_get_machine(), "icc-bridge",
- OBJECT(icc_bridge), NULL);
-
- pc_cpus_init(machine->cpu_model, icc_bridge);
+ pc_cpus_init(machine->cpu_model);
pc_acpi_init("q35-acpi-dsdt.aml");
kvmclock_create();
@@ -236,7 +230,6 @@ static void pc_q35_init(MachineState *machine)
if (pci_enabled) {
ioapic_init_gsi(gsi_state, "q35");
}
- qdev_init_nofail(icc_bridge);
pc_register_ferr_irq(gsi[13]);
@@ -284,6 +277,13 @@ static void pc_q35_init(MachineState *machine)
}
}
+/* Looking for a pc_compat_2_4() function? It doesn't exist.
+ * pc_compat_*() functions that run on machine-init time and
+ * change global QEMU state are deprecated. Please don't create
+ * one, and implement any pc-*-2.4 (and newer) compat code in
+ * HW_COMPAT_*, PC_COMPAT_*, or * pc_*_machine_options().
+ */
+
static void pc_compat_2_3(MachineState *machine)
{
PCMachineState *pcms = PC_MACHINE(machine);
@@ -309,7 +309,7 @@ static void pc_compat_2_1(MachineState *machine)
pc_compat_2_2(machine);
pcms->enforce_aligned_dimm = false;
smbios_uuid_encoded = false;
- x86_cpu_compat_kvm_no_autodisable(FEAT_8000_0001_ECX, CPUID_EXT3_SVM);
+ x86_cpu_change_kvm_default("svm", NULL);
}
static void pc_compat_2_0(MachineState *machine)
@@ -326,7 +326,7 @@ static void pc_compat_1_7(MachineState *machine)
smbios_defaults = false;
gigabyte_align = false;
option_rom_has_mr = true;
- x86_cpu_compat_kvm_no_autoenable(FEAT_1_ECX, CPUID_EXT_X2APIC);
+ x86_cpu_change_kvm_default("x2apic", NULL);
}
static void pc_compat_1_6(MachineState *machine)
@@ -385,6 +385,7 @@ static void pc_q35_2_4_machine_options(MachineClass *m)
pc_q35_2_5_machine_options(m);
m->alias = NULL;
pcmc->broken_reserved_end = true;
+ pcmc->inter_dimm_gap = false;
SET_MACHINE_COMPAT(m, PC_COMPAT_2_4);
}
diff --git a/hw/intc/apic_common.c b/hw/intc/apic_common.c
index 0032b97..ad959c4 100644
--- a/hw/intc/apic_common.c
+++ b/hw/intc/apic_common.c
@@ -296,7 +296,6 @@ static void apic_common_realize(DeviceState *dev, Error **errp)
APICCommonClass *info;
static DeviceState *vapic;
static int apic_no;
- static bool mmio_registered;
if (apic_no >= MAX_APICS) {
error_setg(errp, "%s initialization failed.",
@@ -307,11 +306,6 @@ static void apic_common_realize(DeviceState *dev, Error **errp)
info = APIC_COMMON_GET_CLASS(s);
info->realize(dev, errp);
- if (!mmio_registered) {
- ICCBus *b = ICC_BUS(qdev_get_parent_bus(dev));
- memory_region_add_subregion(b->apic_address_space, 0, &s->io_memory);
- mmio_registered = true;
- }
/* Note: We need at least 1M to map the VAPIC option ROM */
if (!vapic && s->vapic_control & VAPIC_ENABLE_MASK &&
@@ -425,13 +419,12 @@ static Property apic_properties_common[] = {
static void apic_common_class_init(ObjectClass *klass, void *data)
{
- ICCDeviceClass *idc = ICC_DEVICE_CLASS(klass);
DeviceClass *dc = DEVICE_CLASS(klass);
dc->vmsd = &vmstate_apic_common;
dc->reset = apic_reset_common;
dc->props = apic_properties_common;
- idc->realize = apic_common_realize;
+ dc->realize = apic_common_realize;
/*
* Reason: APIC and CPU need to be wired up by
* x86_cpu_apic_create()
@@ -441,7 +434,7 @@ static void apic_common_class_init(ObjectClass *klass, void *data)
static const TypeInfo apic_common_type = {
.name = TYPE_APIC_COMMON,
- .parent = TYPE_ICC_DEVICE,
+ .parent = TYPE_DEVICE,
.instance_size = sizeof(APICCommonState),
.class_size = sizeof(APICCommonClass),
.class_init = apic_common_class_init,
diff --git a/hw/mem/pc-dimm.c b/hw/mem/pc-dimm.c
index bb04862..6cc6ac3 100644
--- a/hw/mem/pc-dimm.c
+++ b/hw/mem/pc-dimm.c
@@ -32,7 +32,8 @@ typedef struct pc_dimms_capacity {
} pc_dimms_capacity;
void pc_dimm_memory_plug(DeviceState *dev, MemoryHotplugState *hpms,
- MemoryRegion *mr, uint64_t align, Error **errp)
+ MemoryRegion *mr, uint64_t align, bool gap,
+ Error **errp)
{
int slot;
MachineState *machine = MACHINE(qdev_get_machine());
@@ -48,7 +49,7 @@ void pc_dimm_memory_plug(DeviceState *dev, MemoryHotplugState *hpms,
addr = pc_dimm_get_free_addr(hpms->base,
memory_region_size(&hpms->mr),
- !addr ? NULL : &addr, align,
+ !addr ? NULL : &addr, align, gap,
memory_region_size(mr), &local_err);
if (local_err) {
goto out;
@@ -287,8 +288,8 @@ static int pc_dimm_built_list(Object *obj, void *opaque)
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)
+ uint64_t *hint, uint64_t align, bool gap,
+ uint64_t size, Error **errp)
{
GSList *list = NULL, *item;
uint64_t new_addr, ret = 0;
@@ -333,13 +334,15 @@ uint64_t pc_dimm_get_free_addr(uint64_t address_space_start,
goto out;
}
- if (ranges_overlap(dimm->addr, dimm_size, new_addr, size)) {
+ if (ranges_overlap(dimm->addr, dimm_size, new_addr,
+ size + (gap ? 1 : 0))) {
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);
+ new_addr = QEMU_ALIGN_UP(dimm->addr + dimm_size + (gap ? 1 : 0),
+ align);
}
}
ret = new_addr;
diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c
index d388c55..a877614 100644
--- a/hw/net/virtio-net.c
+++ b/hw/net/virtio-net.c
@@ -1094,13 +1094,7 @@ static ssize_t virtio_net_receive(NetClientState *nc, const uint8_t *buf, size_t
* must have consumed the complete packet.
* Otherwise, drop it. */
if (!n->mergeable_rx_bufs && offset < size) {
-#if 0
- error_report("virtio-net truncated non-mergeable packet: "
- "i %zd mergeable %d offset %zd, size %zd, "
- "guest hdr len %zd, host hdr len %zd",
- i, n->mergeable_rx_bufs,
- offset, size, n->guest_hdr_len, n->host_hdr_len);
-#endif
+ virtqueue_discard(q->rx_vq, &elem, total);
return size;
}
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index a9b5f2a..d1b0e53 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -2096,7 +2096,7 @@ static void spapr_memory_plug(HotplugHandler *hotplug_dev, DeviceState *dev,
goto out;
}
- pc_dimm_memory_plug(dev, &ms->hotplug_memory, mr, align, &local_err);
+ pc_dimm_memory_plug(dev, &ms->hotplug_memory, mr, align, false, &local_err);
if (local_err) {
goto out;
}
diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c
index eda8205..6703806 100644
--- a/hw/virtio/virtio-pci.c
+++ b/hw/virtio/virtio-pci.c
@@ -1491,12 +1491,17 @@ static void virtio_pci_device_plugged(DeviceState *d, Error **errp)
pci_set_long(cfg_mask->pci_cfg_data, ~0x0);
}
- if (proxy->nvectors &&
- msix_init_exclusive_bar(&proxy->pci_dev, proxy->nvectors,
- proxy->msix_bar)) {
- error_report("unable to init msix vectors to %" PRIu32,
- proxy->nvectors);
- proxy->nvectors = 0;
+ if (proxy->nvectors) {
+ int err = msix_init_exclusive_bar(&proxy->pci_dev, proxy->nvectors,
+ proxy->msix_bar);
+ if (err) {
+ /* Notice when a system that supports MSIx can't initialize it. */
+ if (err != -ENOTSUP) {
+ error_report("unable to init msix vectors to %" PRIu32,
+ proxy->nvectors);
+ }
+ proxy->nvectors = 0;
+ }
}
proxy->pci_dev.config_write = virtio_write_config;
diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
index 7504f8b..d0bc72e 100644
--- a/hw/virtio/virtio.c
+++ b/hw/virtio/virtio.c
@@ -244,14 +244,12 @@ int virtio_queue_empty(VirtQueue *vq)
return vring_avail_idx(vq) == vq->last_avail_idx;
}
-void virtqueue_fill(VirtQueue *vq, const VirtQueueElement *elem,
- unsigned int len, unsigned int idx)
+static void virtqueue_unmap_sg(VirtQueue *vq, const VirtQueueElement *elem,
+ unsigned int len)
{
unsigned int offset;
int i;
- trace_virtqueue_fill(vq, elem, len, idx);
-
offset = 0;
for (i = 0; i < elem->in_num; i++) {
size_t size = MIN(len - offset, elem->in_sg[i].iov_len);
@@ -267,6 +265,21 @@ void virtqueue_fill(VirtQueue *vq, const VirtQueueElement *elem,
cpu_physical_memory_unmap(elem->out_sg[i].iov_base,
elem->out_sg[i].iov_len,
0, elem->out_sg[i].iov_len);
+}
+
+void virtqueue_discard(VirtQueue *vq, const VirtQueueElement *elem,
+ unsigned int len)
+{
+ vq->last_avail_idx--;
+ virtqueue_unmap_sg(vq, elem, len);
+}
+
+void virtqueue_fill(VirtQueue *vq, const VirtQueueElement *elem,
+ unsigned int len, unsigned int idx)
+{
+ trace_virtqueue_fill(vq, elem, len, idx);
+
+ virtqueue_unmap_sg(vq, elem, len);
idx = (idx + vring_used_idx(vq)) % vq->vring.num;
generated by cgit v1.1 at 2025-02-11 08:42:48 +0000