[GIT PULL 00/42] KVM: s390: PCI, CPU topology, PV features

Claudio Imbrenda
2022-07-21T16:13:12Z

Hi Paolo,

today you are getting the pull request from me :)

this request has:

* First part of deferred teardown (Claudio)
* CPU Topology (Pierre)
* interpretive execution for PCI instructions (Matthew)
* PV attestation (Steffen)
* Minor fixes

Please pull

The following changes since commit 4b88b1a518b337de1252b8180519ca4c00015c9e:

KVM: selftests: Enhance handling WRMSR ICR register in x2APIC mode (2022-06-24 04:52:04 -0400)

are available in the Git repository at:

ssh://git@gitolite.kernel.org/pub/scm/linux/kernel/git/kvms390/linux.git tags/kvm-s390-next-5.20-1

for you to fetch changes up to f5ecfee94493475783074e86ded10a0499d779fc:

KVM: s390: resetting the Topology-Change-Report (2022-07-20 10:57:37 +0200)

----------------------------------------------------------------
KVM: s390x: Fixes and features for 5.20

* First part of deferred teardown
* CPU Topology
* interpretive execution for PCI instructions
* PV attestation
* Minor fixes

----------------------------------------------------------------
Bagas Sanjaya (1):
Documentation: kvm: extend KVM_S390_ZPCI_OP subheading underline

Christian Borntraeger (3):
Merge tag 'kvm-s390-pci-5.20' into kernelorgnext
KVM: s390/pci: fix include duplicates
KVM: s390: Add facility 197 to the allow list

Claudio Imbrenda (12):
KVM: s390: pv: leak the topmost page table when destroy fails
KVM: s390: pv: handle secure storage violations for protected guests
KVM: s390: pv: handle secure storage exceptions for normal guests
KVM: s390: pv: refactor s390_reset_acc
KVM: s390: pv: usage counter instead of flag
KVM: s390: pv: add export before import
KVM: s390: pv: clear the state without memset
KVM: s390: pv: Add kvm_s390_cpus_from_pv to kvm-s390.h and add documentation
KVM: s390: pv: add mmu_notifier
s390/mm: KVM: pv: when tearing down, try to destroy protected pages
KVM: s390: pv: refactoring of kvm_s390_pv_deinit_vm
KVM: s390: pv: destroy the configuration before its memory

Jiang Jian (1):
KVM: s390: drop unexpected word 'and' in the comments

Matthew Rosato (21):
s390/sclp: detect the zPCI load/store interpretation facility
s390/sclp: detect the AISII facility
s390/sclp: detect the AENI facility
s390/sclp: detect the AISI facility
s390/airq: pass more TPI info to airq handlers
s390/airq: allow for airq structure that uses an input vector
s390/pci: externalize the SIC operation controls and routine
s390/pci: stash associated GISA designation
s390/pci: stash dtsm and maxstbl
vfio/pci: introduce CONFIG_VFIO_PCI_ZDEV_KVM
KVM: s390: pci: add basic kvm_zdev structure
KVM: s390: pci: do initial setup for AEN interpretation
KVM: s390: pci: enable host forwarding of Adapter Event Notifications
KVM: s390: mechanism to enable guest zPCI Interpretation
KVM: s390: pci: provide routines for enabling/disabling interrupt forwarding
KVM: s390: pci: add routines to start/stop interpretive execution
vfio-pci/zdev: add open/close device hooks
vfio-pci/zdev: add function handle to clp base capability
vfio-pci/zdev: different maxstbl for interpreted devices
KVM: s390: add KVM_S390_ZPCI_OP to manage guest zPCI devices
MAINTAINERS: additional files related kvm s390 pci passthrough

Nico Boehr (1):
KVM: s390: pv: don't present the ecall interrupt twice

Pierre Morel (3):
KVM: s390: Cleanup ipte lock access and SIIF facility checks
KVM: s390: guest support for topology function
KVM: s390: resetting the Topology-Change-Report

Steffen Eiden (1):
s390: Add attestation query information

Documentation/virt/kvm/api.rst | 71 ++++
MAINTAINERS | 1 +
arch/s390/boot/uv.c | 2 +
arch/s390/include/asm/airq.h | 7 +-
arch/s390/include/asm/gmap.h | 39 +-
arch/s390/include/asm/kvm_host.h | 43 ++-
arch/s390/include/asm/mmu.h | 2 +-
arch/s390/include/asm/mmu_context.h | 2 +-
arch/s390/include/asm/pci.h | 11 +
arch/s390/include/asm/pci_clp.h | 9 +-
arch/s390/include/asm/pci_insn.h | 29 +-
arch/s390/include/asm/pgtable.h | 21 +-
arch/s390/include/asm/sclp.h | 4 +
arch/s390/include/asm/tpi.h | 13 +
arch/s390/include/asm/uv.h | 8 +-
arch/s390/include/uapi/asm/kvm.h | 1 +
arch/s390/kernel/uv.c | 103 ++++++
arch/s390/kvm/Kconfig | 1 +
arch/s390/kvm/Makefile | 1 +
arch/s390/kvm/gaccess.c | 96 ++---
arch/s390/kvm/gaccess.h | 6 +-
arch/s390/kvm/intercept.c | 15 +
arch/s390/kvm/interrupt.c | 98 ++++-
arch/s390/kvm/kvm-s390.c | 211 ++++++++++-
arch/s390/kvm/kvm-s390.h | 11 +
arch/s390/kvm/pci.c | 690 ++++++++++++++++++++++++++++++++++++
arch/s390/kvm/pci.h | 87 +++++
arch/s390/kvm/priv.c | 26 +-
arch/s390/kvm/pv.c | 71 +++-
arch/s390/kvm/sigp.c | 4 +-
arch/s390/kvm/vsie.c | 8 +
arch/s390/mm/fault.c | 23 +-
arch/s390/mm/gmap.c | 177 +++++++--
arch/s390/pci/pci.c | 16 +
arch/s390/pci/pci_clp.c | 7 +
arch/s390/pci/pci_insn.c | 4 +-
arch/s390/pci/pci_irq.c | 48 +--
arch/s390/tools/gen_facilities.c | 1 +
drivers/s390/char/sclp_early.c | 4 +
drivers/s390/cio/airq.c | 12 +-
drivers/s390/cio/qdio_thinint.c | 6 +-
drivers/s390/crypto/ap_bus.c | 9 +-
drivers/s390/virtio/virtio_ccw.c | 6 +-
drivers/vfio/pci/Kconfig | 11 +
drivers/vfio/pci/Makefile | 2 +-
drivers/vfio/pci/vfio_pci_core.c | 10 +-
drivers/vfio/pci/vfio_pci_zdev.c | 35 +-
include/linux/sched/user.h | 3 +-
include/linux/vfio_pci_core.h | 12 +-
include/uapi/linux/kvm.h | 32 ++
include/uapi/linux/vfio_zdev.h | 7 +
51 files changed, 1944 insertions(+), 172 deletions(-)
create mode 100644 arch/s390/kvm/pci.c
create mode 100644 arch/s390/kvm/pci.h