[PULL,v3,00/62] virtio,pc,pci: features, cleanups

changes from v2:

dropped new thread/core tests due to failures on older  hosts:


>>> MALLOC_PERTURB_=158 QTEST_QEMU_IMG=./qemu-img QTEST_QEMU_BINARY=./qemu-system-x86_64
+G_TEST_DBUS_DAEMON=/builds/qemu-project/qemu/tests/dbus-vmstate-daemon.sh
+QTEST_QEMU_STORAGE_DAEMON_BINARY=./storage-daemon/qemu-storage-daemon PYTHON=/builds/qemu-project/qemu/build/pyvenv/bin/python3.8
+/builds/qemu-project/qemu/build/tests/qtest/bios-tables-test --tap -k
――――――――――――――――――――――――――――――――――――― ✀ ―――――――――――――――――――――――――――――――――――――
stderr:
qemu-system-x86_64: -accel kvm: warning: Number of SMP cpus requested
(260) exceeds the recommended cpus supported by KVM (240)
qemu-system-x86_64: -accel kvm: warning: Number of hotpluggable cpus
requested (260) exceeds the recommended cpus supported by KVM (240)
qemu-system-x86_64: -accel kvm: warning: Number of hotpluggable cpus
requested (520) exceeds the recommended cpus supported by KVM (240)
Number of hotpluggable cpus requested (520) exceeds the maximum cpus
supported by KVM (288)
socket_accept failed: Resource temporarily unavailable
**
ERROR:../tests/qtest/libqtest.c:496:qtest_init_internal: assertion
failed: (s->fd >= 0 && s->qmp_fd >= 0)
../tests/qtest/libqtest.c:195: kill_qemu() tried to terminate QEMU
process but encountered exit status 1 (expected 0)
(test program exited with status code -6)

https://gitlab.com/qemu-project/qemu/-/jobs/5338513625




The following changes since commit ec6f9f135d5e5596ab0258da2ddd048f1fd8c359:

  Merge tag 'migration-20231017-pull-request' of https://gitlab.com/juan.quintela/qemu into staging (2023-10-17 10:06:21 -0400)

are available in the Git repository at:

  https://git.kernel.org/pub/scm/virt/kvm/mst/qemu.git tags/for_upstream

for you to fetch changes up to c7016bf700cfbee52d2797bc4c592a39b17c4de7:

  intel-iommu: Report interrupt remapping faults, fix return value (2023-10-22 05:18:17 -0400)

----------------------------------------------------------------
virtio,pc,pci: features, cleanups

infrastructure for vhost-vdpa shadow work
piix south bridge rework
reconnect for vhost-user-scsi
dummy ACPI QTG DSM for cxl

tests, cleanups, fixes all over the place

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

----------------------------------------------------------------
Ani Sinha (1):
      hw/i386/cxl: ensure maxram is greater than ram size for calculating cxl range

Bernhard Beschow (30):
      hw/i386/acpi-build: Remove build-time assertion on PIIX/ICH9 reset registers being identical
      hw/i386/pc: Merge two if statements into one
      hw/i386/pc_piix: Allow for setting properties before realizing PIIX3 south bridge
      hw/i386/pc_piix: Assign PIIX3's ISA interrupts before its realize()
      hw/isa/piix3: Resolve redundant PIIX_NUM_PIC_IRQS
      hw/i386/pc_piix: Wire PIIX3's ISA interrupts by new "isa-irqs" property
      hw/i386/pc_piix: Remove redundant "piix3" variable
      hw/isa/piix3: Rename "pic" attribute to "isa_irqs_in"
      hw/i386/pc_q35: Wire ICH9 LPC function's interrupts before its realize()
      hw/isa/piix3: Wire PIC IRQs to ISA bus in host device
      hw/i386/pc: Wire RTC ISA IRQs in south bridges
      hw/isa/piix3: Create IDE controller in host device
      hw/isa/piix3: Create USB controller in host device
      hw/isa/piix3: Create power management controller in host device
      hw/isa/piix3: Drop the "3" from PIIX base class name
      hw/isa/piix4: Remove unused inbound ISA interrupt lines
      hw/isa/piix4: Rename "isa" attribute to "isa_irqs_in"
      hw/isa/piix4: Rename reset control operations to match PIIX3
      hw/isa/piix4: Reuse struct PIIXState from PIIX3
      hw/isa/piix3: Merge hw/isa/piix4.c
      hw/isa/piix: Allow for optional PIC creation in PIIX3
      hw/isa/piix: Allow for optional PIT creation in PIIX3
      hw/isa/piix: Harmonize names of reset control memory regions
      hw/isa/piix: Share PIIX3's base class with PIIX4
      hw/isa/piix: Reuse PIIX3 base class' realize method in PIIX4
      hw/isa/piix: Rename functions to be shared for PCI interrupt triggering
      hw/isa/piix: Reuse PIIX3's PCI interrupt triggering in PIIX4
      hw/isa/piix: Resolve duplicate code regarding PCI interrupt wiring
      hw/isa/piix: Implement multi-process QEMU support also for PIIX4
      hw/i386/pc_piix: Make PIIX4 south bridge usable in PC machine

Damien Zammit (1):
      timer/i8254: Fix one shot PIT mode

Dave Jiang (1):
      hw/cxl: Add QTG _DSM support for ACPI0017 device

David Woodhouse (1):
      intel-iommu: Report interrupt remapping faults, fix return value

Hanna Czenczek (1):
      vhost-user: Fix protocol feature bit conflict

Hawkins Jiawei (7):
      vdpa: Use iovec for vhost_vdpa_net_cvq_add()
      vdpa: Avoid using vhost_vdpa_net_load_*() outside vhost_vdpa_net_load()
      vdpa: Check device ack in vhost_vdpa_net_load_rx_mode()
      vdpa: Move vhost_svq_poll() to the caller of vhost_vdpa_net_cvq_add()
      vdpa: Introduce cursors to vhost_vdpa_net_loadx()
      vhost: Expose vhost_svq_available_slots()
      vdpa: Send cvq state load commands in parallel

Ilya Maximets (1):
      memory: initialize 'fv' in MemoryRegionCache to make Coverity happy

Jonathan Cameron (2):
      tests/acpi: Allow update of DSDT.cxl
      tests/acpi: Update DSDT.cxl with QTG DSM

Laszlo Ersek (7):
      vhost-user: strip superfluous whitespace
      vhost-user: tighten "reply_supported" scope in "set_vring_addr"
      vhost-user: factor out "vhost_user_write_sync"
      vhost-user: flatten "enforce_reply" into "vhost_user_write_sync"
      vhost-user: hoist "write_sync", "get_features", "get_u64"
      vhost-user: allow "vhost_set_vring" to wait for a reply
      vhost-user: call VHOST_USER_SET_VRING_ENABLE synchronously

Li Feng (5):
      vhost-user-common: send get_inflight_fd once
      vhost: move and rename the conn retry times
      vhost-user-scsi: support reconnect to backend
      vhost-user-scsi: start vhost when guest kicks
      vhost-user: fix lost reconnect

Matheus Tavares Bernardino (1):
      hw/display: fix memleak from virtio_add_resource

Stefan Hajnoczi (3):
      vhost-user: do not send RESET_OWNER on device reset
      vhost-backend: remove vhost_kernel_reset_device()
      virtio: call ->vhost_reset_device() during reset

Thomas Huth (1):
      MAINTAINERS: Add include/hw/intc/i8259.h to the PC chip section

 hw/i386/intel_iommu_internal.h            |   1 +
 hw/virtio/vhost-shadow-virtqueue.h        |   1 +
 include/exec/memory.h                     |   2 +
 include/hw/acpi/cxl.h                     |   1 +
 include/hw/i386/pc.h                      |   2 +
 include/hw/southbridge/piix.h             |  30 ++-
 include/hw/virtio/vhost-scsi-common.h     |   2 +-
 include/hw/virtio/vhost-user-scsi.h       |   6 +
 include/hw/virtio/vhost-user.h            |   6 +-
 include/hw/virtio/vhost.h                 |  12 +
 subprojects/libvhost-user/libvhost-user.h |   3 +-
 hw/acpi/cxl.c                             |  69 ++++++
 hw/block/vhost-user-blk.c                 |   6 +-
 hw/display/virtio-dmabuf.c                |  12 +-
 hw/i386/acpi-build.c                      |   6 +-
 hw/i386/intel_iommu.c                     | 150 ++++++++----
 hw/i386/pc.c                              |  19 +-
 hw/i386/pc_piix.c                         | 123 +++++++---
 hw/i386/pc_q35.c                          |  14 +-
 hw/isa/lpc_ich9.c                         |   9 +-
 hw/isa/{piix3.c => piix.c}                | 281 ++++++++++++++++------
 hw/isa/piix4.c                            | 302 ------------------------
 hw/mips/malta.c                           |   5 +-
 hw/scsi/vhost-scsi-common.c               |  47 ++--
 hw/scsi/vhost-scsi.c                      |   6 +-
 hw/scsi/vhost-user-scsi.c                 | 254 +++++++++++++++++---
 hw/timer/i8254_common.c                   |   4 +-
 hw/virtio/vhost-backend.c                 |   6 -
 hw/virtio/vhost-shadow-virtqueue.c        |   2 +-
 hw/virtio/vhost-user-gpio.c               |   5 +-
 hw/virtio/vhost-user.c                    | 239 ++++++++++---------
 hw/virtio/vhost.c                         |   9 +
 hw/virtio/virtio.c                        |   4 +
 net/vhost-vdpa.c                          | 374 +++++++++++++++++++-----------
 MAINTAINERS                               |   7 +-
 docs/interop/vhost-user.rst               |  11 +
 docs/system/target-i386-desc.rst.inc      |   8 +
 hw/i386/Kconfig                           |   3 +-
 hw/isa/Kconfig                            |   8 +-
 hw/isa/meson.build                        |   3 +-
 hw/mips/Kconfig                           |   2 +-
 meson.build                               |   1 +
 tests/data/acpi/q35/DSDT.cxl              | Bin 9655 -> 9713 bytes
 43 files changed, 1219 insertions(+), 836 deletions(-)
 rename hw/isa/{piix3.c => piix.c} (52%)
 delete mode 100644 hw/isa/piix4.c

Applied, thanks.

Please update the changelog at https://wiki.qemu.org/ChangeLog/8.2 for any user-visible changes.