Merge tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu into staging

virtio,pc,pci: features, cleanups, fixes

make TCO watchdog work by default
part of generic vdpa support
asid interrupt for vhost-vdpa
added flex bus port DVSEC for cxl

misc fixes, cleanups, documentation

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

# gpg: Signature made Wed 21 Dec 2022 12:32:36 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]
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17  0970 C350 3912 AFBE 8E67
#      Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA  8A0D 281F 0DB8 D28D 5469

* tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu: (41 commits)
  contrib/vhost-user-blk: Replace lseek64 with lseek
  libvhost-user: Switch to unsigned int for inuse field in struct VuVirtq
  hw/virtio: Extract QMP related code virtio-qmp.c
  hw/virtio: Extract config read/write accessors to virtio-config-io.c
  hw/virtio: Constify qmp_virtio_feature_map_t[]
  hw/virtio: Guard and restrict scope of qmp_virtio_feature_map_t[]
  hw/virtio: Rename virtio_ss[] -> specific_virtio_ss[]
  hw/virtio: Add missing "hw/core/cpu.h" include
  hw/cxl/device: Add Flex Bus Port DVSEC
  hw/acpi: Rename tco.c -> ich9_tco.c
  acpi/tests/avocado/bits: add mformat as one of the dependencies
  docs/acpi/bits: document BITS_DEBUG environment variable
  pci: drop redundant PCIDeviceClass::is_bridge field
  remove DEC 21154 PCI bridge
  vhost: fix vq dirty bitmap syncing when vIOMMU is enabled
  acpi/tests/avocado/bits: add SPDX license identifiers for bios bits tests
  include/hw: attempt to document VirtIO feature variables
  vhost-user: send set log base message only once
  vdpa: always start CVQ in SVQ mode if possible
  vdpa: add shadow_data to vhost_vdpa
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 9 insertions, 11 deletions

diff --git a/hw/pci/pci.c b/hw/pci/pci.c
index 9598b4b546..c2fb88f9a3 100644
--- a/hw/pci/pci.c
+++ b/hw/pci/pci.c
@@ -573,7 +573,7 @@ void pci_bus_range(PCIBus *bus, int *min_bus, int *max_bus)
     for (i = 0; i < ARRAY_SIZE(bus->devices); ++i) {
         PCIDevice *dev = bus->devices[i];
 
-        if (dev && PCI_DEVICE_GET_CLASS(dev)->is_bridge) {
+        if (dev && IS_PCI_BRIDGE(dev)) {
             *min_bus = MIN(*min_bus, dev->config[PCI_SECONDARY_BUS]);
             *max_bus = MAX(*max_bus, dev->config[PCI_SUBORDINATE_BUS]);
         }
@@ -589,7 +589,6 @@ static int get_pci_config_device(QEMUFile *f, void *pv, size_t size,
                                  const VMStateField *field)
 {
     PCIDevice *s = container_of(pv, PCIDevice, config);
-    PCIDeviceClass *pc = PCI_DEVICE_GET_CLASS(s);
     uint8_t *config;
     int i;
 
@@ -611,9 +610,8 @@ static int get_pci_config_device(QEMUFile *f, void *pv, size_t size,
     memcpy(s->config, config, size);
 
     pci_update_mappings(s);
-    if (pc->is_bridge) {
-        PCIBridge *b = PCI_BRIDGE(s);
-        pci_bridge_update_mappings(b);
+    if (IS_PCI_BRIDGE(s)) {
+        pci_bridge_update_mappings(PCI_BRIDGE(s));
     }
 
     memory_region_set_enabled(&s->bus_master_enable_region,
@@ -1087,9 +1085,10 @@ static PCIDevice *do_pci_register_device(PCIDevice *pci_dev,
     Error *local_err = NULL;
     DeviceState *dev = DEVICE(pci_dev);
     PCIBus *bus = pci_get_bus(pci_dev);
+    bool is_bridge = IS_PCI_BRIDGE(pci_dev);
 
     /* Only pci bridges can be attached to extra PCI root buses */
-    if (pci_bus_is_root(bus) && bus->parent_dev && !pc->is_bridge) {
+    if (pci_bus_is_root(bus) && bus->parent_dev && !is_bridge) {
         error_setg(errp,
                    "PCI: Only PCI/PCIe bridges can be plugged into %s",
                     bus->parent_dev->name);
@@ -1151,7 +1150,7 @@ static PCIDevice *do_pci_register_device(PCIDevice *pci_dev,
     pci_config_set_revision(pci_dev->config, pc->revision);
     pci_config_set_class(pci_dev->config, pc->class_id);
 
-    if (!pc->is_bridge) {
+    if (!is_bridge) {
         if (pc->subsystem_vendor_id || pc->subsystem_id) {
             pci_set_word(pci_dev->config + PCI_SUBSYSTEM_VENDOR_ID,
                          pc->subsystem_vendor_id);
@@ -1168,7 +1167,7 @@ static PCIDevice *do_pci_register_device(PCIDevice *pci_dev,
     pci_init_cmask(pci_dev);
     pci_init_wmask(pci_dev);
     pci_init_w1cmask(pci_dev);
-    if (pc->is_bridge) {
+    if (is_bridge) {
         pci_init_mask_bridge(pci_dev);
     }
     pci_init_multifunction(bus, pci_dev, &local_err);
@@ -1916,7 +1915,7 @@ static bool pci_root_bus_in_range(PCIBus *bus, int bus_num)
     for (i = 0; i < ARRAY_SIZE(bus->devices); ++i) {
         PCIDevice *dev = bus->devices[i];
 
-        if (dev && PCI_DEVICE_GET_CLASS(dev)->is_bridge) {
+        if (dev && IS_PCI_BRIDGE(dev)) {
             if (pci_secondary_bus_in_range(dev, bus_num)) {
                 return true;
             }
@@ -2623,7 +2622,6 @@ void pci_setup_iommu(PCIBus *bus, PCIIOMMUFunc fn, void *opaque)
 static void pci_dev_get_w64(PCIBus *b, PCIDevice *dev, void *opaque)
 {
     Range *range = opaque;
-    PCIDeviceClass *pc = PCI_DEVICE_GET_CLASS(dev);
     uint16_t cmd = pci_get_word(dev->config + PCI_COMMAND);
     int i;
 
@@ -2631,7 +2629,7 @@ static void pci_dev_get_w64(PCIBus *b, PCIDevice *dev, void *opaque)
         return;
     }
 
-    if (pc->is_bridge) {
+    if (IS_PCI_BRIDGE(dev)) {
         pcibus_t base = pci_bridge_get_base(dev, PCI_BASE_ADDRESS_MEM_PREFETCH);
         pcibus_t limit = pci_bridge_get_limit(dev, PCI_BASE_ADDRESS_MEM_PREFETCH);