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virtio,pc,pci: features, fixes, cleanups

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CXL now can use Generic Port Affinity Structures.
 CXL now allows control of link speed and width
 vhost-user-blk now supports live resize, by means of
 a new device-sync-config command
 amd iommu now supports interrupt remapping
 pcie devices now report extended tag field support
 intel_iommu dropped support for Transient Mapping, to match VTD spec
 arch agnostic ACPI infrastructure for vCPU Hotplug
 
 Fixes, cleanups all over the place.
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu into staging

virtio,pc,pci: features, fixes, cleanups

CXL now can use Generic Port Affinity Structures.
CXL now allows control of link speed and width
vhost-user-blk now supports live resize, by means of
a new device-sync-config command
amd iommu now supports interrupt remapping
pcie devices now report extended tag field support
intel_iommu dropped support for Transient Mapping, to match VTD spec
arch agnostic ACPI infrastructure for vCPU Hotplug

Fixes, cleanups all over the place.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

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# gpg: Signature made Mon 04 Nov 2024 21:03:33 GMT
# gpg:                using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# gpg:                issuer "mst@redhat.com"
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full]
# gpg:                 aka "Michael S. Tsirkin <mst@redhat.com>" [full]
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* tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu: (65 commits)
  intel_iommu: Add missed reserved bit check for IEC descriptor
  intel_iommu: Add missed sanity check for 256-bit invalidation queue
  intel_iommu: Send IQE event when setting reserved bit in IQT_TAIL
  hw/acpi: Update GED with vCPU Hotplug VMSD for migration
  tests/qtest/bios-tables-test: Update DSDT golden masters for x86/{pc,q35}
  hw/acpi: Update ACPI `_STA` method with QOM vCPU ACPI Hotplug states
  qtest: allow ACPI DSDT Table changes
  hw/acpi: Make CPUs ACPI `presence` conditional during vCPU hot-unplug
  hw/pci: Add parenthesis to PCI_BUILD_BDF macro
  hw/cxl: Ensure there is enough data to read the input header in cmd_get_physical_port_state()
  hw/cxl: Ensure there is enough data for the header in cmd_ccls_set_lsa()
  hw/cxl: Check that writes do not go beyond end of target attributes
  hw/cxl: Ensuring enough data to read parameters in cmd_tunnel_management_cmd()
  hw/cxl: Avoid accesses beyond the end of cel_log.
  hw/cxl: Check the length of data requested fits in get_log()
  hw/cxl: Check enough data in cmd_firmware_update_transfer()
  hw/cxl: Check input length is large enough in cmd_events_clear_records()
  hw/cxl: Check input includes at least the header in cmd_features_set_feature()
  hw/cxl: Check size of input data to dynamic capacity mailbox commands
  hw/cxl/cxl-mailbox-util: Fix output buffer index update when retrieving DC extents
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2024-11-05 15:47:52 +00:00
commit 9eb9350c0e
90 changed files with 1121 additions and 430 deletions
Download patch file Download diff file Expand all files Collapse all files

53
system/qdev-monitor.c
View file

@ -23,6 +23,7 @@
#include "monitor/monitor.h"
#include "monitor/qdev.h"
#include "sysemu/arch_init.h"
#include "sysemu/runstate.h"
#include "qapi/error.h"
#include "qapi/qapi-commands-qdev.h"
#include "qapi/qmp/dispatch.h"
@ -885,13 +886,20 @@ void qmp_device_add(QDict *qdict, QObject **ret_data, Error **errp)
object_unref(OBJECT(dev));
}
static DeviceState *find_device_state(const char *id, Error **errp)
/*
* Note that creating new APIs using error classes other than GenericError is
* not recommended. Set use_generic_error=true for new interfaces.
*/
static DeviceState *find_device_state(const char *id, bool use_generic_error,
Error **errp)
{
Object *obj = object_resolve_path_at(qdev_get_peripheral(), id);
DeviceState *dev;
if (!obj) {
error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
error_set(errp,
(use_generic_error ?
ERROR_CLASS_GENERIC_ERROR : ERROR_CLASS_DEVICE_NOT_FOUND),
"Device '%s' not found", id);
return NULL;
}
@ -956,7 +964,7 @@ void qdev_unplug(DeviceState *dev, Error **errp)
void qmp_device_del(const char *id, Error **errp)
{
DeviceState *dev = find_device_state(id, errp);
DeviceState *dev = find_device_state(id, false, errp);
if (dev != NULL) {
if (dev->pending_deleted_event &&
(dev->pending_deleted_expires_ms == 0 ||
@ -970,6 +978,43 @@ void qmp_device_del(const char *id, Error **errp)
}
}
int qdev_sync_config(DeviceState *dev, Error **errp)
{
DeviceClass *dc = DEVICE_GET_CLASS(dev);
if (!dc->sync_config) {
error_setg(errp, "device-sync-config is not supported for '%s'",
object_get_typename(OBJECT(dev)));
return -ENOTSUP;
}
return dc->sync_config(dev, errp);
}
void qmp_device_sync_config(const char *id, Error **errp)
{
DeviceState *dev;
/*
* During migration there is a race between syncing`configuration
* and migrating it (if migrate first, that target would get
* outdated version), so let's just not allow it.
*/
if (migration_is_running()) {
error_setg(errp, "Config synchronization is not allowed "
"during migration");
return;
}
dev = find_device_state(id, true, errp);
if (!dev) {
return;
}
qdev_sync_config(dev, errp);
}
void hmp_device_add(Monitor *mon, const QDict *qdict)
{
Error *err = NULL;
@ -1076,7 +1121,7 @@ BlockBackend *blk_by_qdev_id(const char *id, Error **errp)
GLOBAL_STATE_CODE();
dev = find_device_state(id, errp);
dev = find_device_state(id, false, errp);
if (dev == NULL) {
return NULL;
}