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68c691ca99
qemu/hw/s390x
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Matthew Rosato 68c691ca99 s390x/pci: drive ISM reset from subsystem reset 
ISM devices are sensitive to manipulation of the IOMMU, so the ISM device
needs to be reset before the vfio-pci device is reset (triggering a full
UNMAP).  In order to ensure this occurs, trigger ISM device resets from
subsystem_reset before triggering the PCI bus reset (which will also
trigger vfio-pci reset).  This only needs to be done for ISM devices
which were enabled for use by the guest.
Further, ensure that AIF is disabled as part of the reset event.

Fixes: ef1535901a ("s390x: do a subsystem reset before the unprotect on reboot")
Fixes: 03451953c7 ("s390x/pci: reset ISM passthrough devices on shutdown and system reset")
Reported-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
Message-ID: <20240118185151.265329-4-mjrosato@linux.ibm.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-01-19 11:38:32 +01:00
..
3270-ccw.c s390x/css: Refactor IRB construction 2021-06-21 08:48:21 +02:00
ap-bridge.c qbus: Rename qbus_create() to qbus_new() 2021-09-30 13:44:08 +01:00
ap-device.c ap-device: Rename AP_DEVICE_TYPE to TYPE_AP_DEVICE 2020-09-09 13:20:22 -04:00
ccw-device.c hw/s390x: Constify VMState 2023-12-30 07:38:06 +11:00
ccw-device.h hw/s390x/ccw: Register qbus type in abstract TYPE_CCW_DEVICE parent 2021-05-20 14:19:30 +02:00
cpu-topology.c qapi/s390x/cpu topology: add query-s390x-cpu-polarization command 2023-10-20 07:16:53 +02:00
css-bridge.c hw/s390x/css-bridge: Realize sysbus device before accessing it 2023-10-19 23:13:28 +02:00
css.c hw/s390x: Constify VMState 2023-12-30 07:38:06 +11:00
event-facility.c hw/s390x: Constify VMState 2023-12-30 07:38:06 +11:00
ipl.c target/s390x/kvm/pv: Provide some more useful information if decryption fails 2024-01-11 14:12:59 +01:00
ipl.h target/s390x/kvm/pv: Provide some more useful information if decryption fails 2024-01-11 14:12:59 +01:00
Kconfig kconfig: Activate IOMMUFD for s390x machines 2023-12-19 19:03:38 +01:00
meson.build s390x/cpu topology: add topology entries on CPU hotplug 2023-10-20 07:16:53 +02:00
s390-ccw.c hw/s390x/ccw: Replace dirname() with g_path_get_dirname() 2024-01-11 14:13:07 +01:00
s390-pci-bus.c s390x/pci: drive ISM reset from subsystem reset 2024-01-19 11:38:32 +01:00
s390-pci-inst.c s390x: Convert DPRINTF to trace events 2023-08-23 12:06:44 +02:00
s390-pci-kvm.c s390x/pci: refresh fh before disabling aif 2024-01-19 11:38:32 +01:00
s390-pci-vfio.c s390x/pci: only limit DMA aperture if vfio DMA limit reported 2023-11-13 11:35:47 +01:00
s390-skeys-kvm.c hw/s390x/s390-skeys: rename skeys_enabled to skeys_are_enabled 2021-09-06 16:24:05 +02:00
s390-skeys.c system/cpus: rename qemu_mutex_lock_iothread() to bql_lock() 2024-01-08 10:45:43 -05:00
s390-stattrib-kvm.c target/s390x: move kvm files into kvm/ 2021-07-07 14:01:59 +02:00
s390-stattrib.c hw/s390x/s390-stattrib: Don't call register_savevm_live() during instance_init() 2023-11-01 16:13:58 +01:00
s390-virtio-ccw.c s390x/pci: drive ISM reset from subsystem reset 2024-01-19 11:38:32 +01:00
s390-virtio-hcall.c s390x: rename s390-virtio.h to s390-virtio-hcall.h 2017-09-19 18:31:31 +02:00
s390-virtio-hcall.h s390/kvm_virtio/linux-headers: remove traces of old virtio transport 2017-11-24 10:52:05 +01:00
sclp.c hw/s390x/sclp: Have sclp_service_call[_protected]() take S390CPU* 2023-11-07 13:08:48 +01:00
sclpcpu.c Do not include cpu.h if it's not really necessary 2021-05-02 17:24:51 +02:00
sclpquiesce.c hw/s390x: Constify VMState 2023-12-30 07:38:06 +11:00
tod-kvm.c hw/s390x: Move KVM specific PV from hw/ to target/s390x/kvm/ 2023-07-10 15:34:23 +02:00
tod-tcg.c Mark remaining global TypeInfo instances as const 2022-02-21 13:30:20 +00:00
tod.c Mark remaining global TypeInfo instances as const 2022-02-21 13:30:20 +00:00
trace-events s390x: Convert DPRINTF to trace events 2023-08-23 12:06:44 +02:00
trace.h trace: switch position of headers to what Meson requires 2020-08-21 06:18:24 -04:00
vhost-scsi-ccw.c virtio-ccw: move device type declarations to .c files 2022-04-06 14:31:56 +02:00
vhost-user-fs-ccw.c virtio: add vhost-user-fs-ccw device 2020-09-23 13:41:58 +01:00
vhost-vsock-ccw.c virtio-ccw: move device type declarations to .c files 2022-04-06 14:31:56 +02:00
virtio-ccw-9p.c virtio-ccw: move device type declarations to .c files 2022-04-06 14:31:56 +02:00
virtio-ccw-balloon.c virtio-ccw: move device type declarations to .c files 2022-04-06 14:31:56 +02:00
virtio-ccw-blk.c virtio-ccw: move device type declarations to .c files 2022-04-06 14:31:56 +02:00
virtio-ccw-crypto.c virtio-ccw: move device type declarations to .c files 2022-04-06 14:31:56 +02:00
virtio-ccw-gpu.c modules: introduces module_kconfig directive 2022-06-06 09:26:53 +02:00
virtio-ccw-input.c virtio-ccw: move device type declarations to .c files 2022-04-06 14:31:56 +02:00
virtio-ccw-net.c virtio-ccw: move device type declarations to .c files 2022-04-06 14:31:56 +02:00
virtio-ccw-rng.c virtio-ccw: move device type declarations to .c files 2022-04-06 14:31:56 +02:00
virtio-ccw-scsi.c virtio-ccw: move device type declarations to .c files 2022-04-06 14:31:56 +02:00
virtio-ccw-serial.c Drop duplicate #include 2023-02-08 07:28:05 +01:00
virtio-ccw.c hw/s390x: Constify VMState 2023-12-30 07:38:06 +11:00
virtio-ccw.h virtio-ccw: do not include headers for all virtio devices 2022-04-06 14:31:56 +02:00