[PULL 00/44] pci, vhost, virtio, iommu: features, fixes, cleanups

["Michael S. Tsirkin" <mst@redhat.com>]

I hope I didn't miss any features for the freeze. If yours
is missing, pls holler.

There are some (old) bugs that have been reported and will
I hope get fixed before the release, I will focus on that
after the freeze.



The following changes since commit 7f2007d1924565c7a38b2c6ba01ebc1a85db0a49:

  Merge tag 'pull-qobject-2026-07-02' of https://repo.or.cz/qemu/armbru into staging (2026-07-03 07:42:51 +0200)

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 32a90850e1e4222091df07b4b46d5f46a8b90d24:

  virtio-net: validate RSS indirections_len in post_load (2026-07-05 09:06:13 -0400)

----------------------------------------------------------------
pci, vhost, virtio, iommu: features, fixes, cleanups

A new sp-mem device
New tests for vtd
New seg-max-adjust flag for vhost-user-blk
Watchdog support for arm/virt

Fixes, cleanups all over the place.

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

----------------------------------------------------------------
Alejandro Jimenez (4):
      amd_iommu: Return int from page walk status helpers
      amd_iommu: Decode XT interrupt control register without bitfields
      amd_iommu: Decode IRTEs without bitfields
      amd_iommu: Fix endianness handling for command buffer entries

David Hoppenbrouwers (1):
      amd_iommu: Fix opcode reported in invalid command handling

Demi Marie Obenour (1):
      vhost-user: Guarantee that memory regions do not overlap

GuoHan Zhao (3):
      vhost-user-base: free virtqueue array during cleanup
      vhost-user-base: clean up vhost_dev on realize failure
      vhost-user-scmi: free vhost virtqueue array on cleanup

Igor Mammedov (13):
      arm: sbsa_gwdt: fixup default "clock-frequency"
      arm: add tracing events to sbsa_gwdt
      arm: sbsa_gwdt: rename device type to sbsa-gwdt
      arm: virt: create sbsa-gwdt watchdog
      arm: sbsa-gwdt: add 'wdat' option
      acpi: introduce WDAT table for GWDT
      arm: virt: add support for WDAT based watchdog
      tests: acpi: arm/virt: whitelist new WDAT table
      tests: acpi: arm/virt: add WDAT table test case
      tests: acpi: arm/virt: update expected WDAT blob
      tests: acpi: arm/virt: whitelist GTDT table
      tests: acpi: arm/virt: add GTDT watchdog table test case
      tests: acpi: arm/virt: update expected GTDT blob

Junjie Cao (4):
      tests/qtest/libqos: share Intel IOMMU test setup helpers
      tests/qtest/libqos: add Intel IOMMU invalidation helpers
      tests/qtest: add IOTLB invalidation test for Intel IOMMU
      virtio-net: validate RSS indirections_len in post_load

Laurent Vivier (1):
      hw/char/virtio-serial-bus: fix guest-triggerable OOM in control_out()

Sergei Heifetz (1):
      vhost-user-blk: add seg-max-adjust flag

Stefan Hajnoczi (3):
      vhost-user.rst: clarify when rings are started
      libvhost-user: look for available vq buffers upon SET_VRING_KICK
      vhost-user: inject kick after SET_VRING_KICK

fanhuang (10):
      hw/mem: add sp-mem device for Specific Purpose Memory
      qapi, hmp: introspection for the sp-mem device
      i386/acpi-build: partition device_memory SRAT umbrella for sp-mem
      hw/i386: hook sp-mem into the pc machine plug path
      MAINTAINERS: cover sp-mem under Memory devices, add R: tag
      tests/acpi: add empty expected blobs for sp-mem SRAT test
      tests/acpi: add bios-tables-test case for sp-mem
      tests/acpi: generate expected blobs for sp-mem SRAT test
      tests/qtest: add e820 fw_cfg test
      tests/qtest: cover sp-mem SOFT_RESERVED e820 entry

helei (1):
      hw/virtio-crypto: enforce max akcipher key length

lizhaoxin04 (1):
      vdpa: fix use-after-free of vqs in vhost_vdpa_device_unrealize

no92 (1):
      intel_iommu: Correctly set pt bit in extended capability register

 MAINTAINERS                               |   4 +
 docs/interop/vhost-user.rst               |  47 +++-
 docs/system/arm/virt.rst                  |  24 +++
 qapi/machine.json                         |  43 +++-
 hw/i386/amd_iommu.h                       |  63 ------
 hw/i386/e820_memory_layout.h              |  11 +-
 include/hw/acpi/wdat-gwdt.h               |  19 ++
 include/hw/arm/virt.h                     |   3 +
 include/hw/mem/sp-mem.h                   |  33 +++
 include/hw/virtio/vhost-user-blk.h        |   1 +
 include/hw/watchdog/sbsa_gwdt.h           |   3 +-
 tests/qtest/libqos/qos-intel-iommu.h      |  74 +++++++
 hw/acpi/wdat-gwdt-stub.c                  |  16 ++
 hw/acpi/wdat-gwdt.c                       |  99 +++++++++
 hw/arm/virt-acpi-build.c                  |  51 ++++-
 hw/arm/virt.c                             |  48 +++++
 hw/block/vhost-user-blk.c                 |  12 ++
 hw/char/virtio-serial-bus.c               |  34 +--
 hw/core/machine-hmp-cmds.c                |  11 +
 hw/core/sysbus-fdt.c                      |   2 +
 hw/i386/acpi-build.c                      |  96 ++++++++-
 hw/i386/amd_iommu.c                       | 168 ++++++++++-----
 hw/i386/intel_iommu.c                     |   4 +-
 hw/i386/pc.c                              |  36 ++++
 hw/mem/sp-mem.c                           | 128 +++++++++++
 hw/net/virtio-net.c                       |  21 +-
 hw/virtio/vdpa-dev.c                      |   3 +-
 hw/virtio/vhost-user-base.c               |  21 +-
 hw/virtio/vhost-user-scmi.c               |  12 +-
 hw/virtio/vhost-user.c                    |  24 ++-
 hw/virtio/virtio-crypto.c                 |   6 +
 hw/watchdog/sbsa_gwdt.c                   |  24 ++-
 subprojects/libvhost-user/libvhost-user.c |  19 +-
 tests/qtest/bios-tables-test.c            |  62 ++++++
 tests/qtest/e820-test.c                   | 129 +++++++++++
 tests/qtest/iommu-intel-inv-test.c        | 346 ++++++++++++++++++++++++++++++
 tests/qtest/iommu-intel-test.c            |  78 +------
 tests/qtest/libqos/qos-intel-iommu.c      | 185 ++++++++++++++++
 hw/acpi/meson.build                       |   2 +
 hw/arm/Kconfig                            |   1 +
 hw/i386/Kconfig                           |   2 +
 hw/mem/Kconfig                            |   4 +
 hw/mem/meson.build                        |   1 +
 hw/watchdog/trace-events                  |   9 +
 tests/data/acpi/aarch64/virt/GTDT.gwdt    | Bin 0 -> 132 bytes
 tests/data/acpi/aarch64/virt/WDAT.wdat    | Bin 0 -> 260 bytes
 tests/data/acpi/x86/q35/DSDT.spmem        | Bin 0 -> 9910 bytes
 tests/data/acpi/x86/q35/SRAT.spmem        | Bin 0 -> 384 bytes
 tests/qtest/meson.build                   |   3 +-
 49 files changed, 1715 insertions(+), 267 deletions(-)
 create mode 100644 include/hw/acpi/wdat-gwdt.h
 create mode 100644 include/hw/mem/sp-mem.h
 create mode 100644 hw/acpi/wdat-gwdt-stub.c
 create mode 100644 hw/acpi/wdat-gwdt.c
 create mode 100644 hw/mem/sp-mem.c
 create mode 100644 tests/qtest/e820-test.c
 create mode 100644 tests/qtest/iommu-intel-inv-test.c
 create mode 100644 tests/data/acpi/aarch64/virt/GTDT.gwdt
 create mode 100644 tests/data/acpi/aarch64/virt/WDAT.wdat
 create mode 100644 tests/data/acpi/x86/q35/DSDT.spmem
 create mode 100644 tests/data/acpi/x86/q35/SRAT.spmem