OpenE2K/qemu-e2k
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qemu-e2k/hw/s390x
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Cédric Le Goater 75d7150c63 s390x/pv: Implement a CGS check helper 
When a protected VM is started with the maximum number of CPUs (248),
the service call providing information on the CPUs requires more
buffer space than allocated and QEMU disgracefully aborts :

    LOADPARM=[........]
    Using virtio-blk.
    Using SCSI scheme.
    ...................................................................................
    qemu-system-s390x: KVM_S390_MEM_OP failed: Argument list too long

When protected virtualization is initialized, compute the maximum
number of vCPUs supported by the machine and return useful information
to the user before the machine starts in case of error.

Suggested-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Message-Id: <20230116174607.2459498-2-clg@kaod.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-01-18 12:27:21 +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
ccw-device.c
ccw-device.h
css-bridge.c qbus: Rename qbus_create() to qbus_new() 2021-09-30 13:44:08 +01:00
css.c s390x/css: revert SCSW ctrl/flag bits on error 2022-11-06 12:27:35 +01:00
event-facility.c Replace config-time define HOST_WORDS_BIGENDIAN 2022-04-06 10:50:37 +02:00
ipl.c machine: use QAPI struct for boot configuration 2022-05-12 12:29:43 +02:00
ipl.h s390x: Fix spelling errors 2022-11-16 10:15:26 +01:00
Kconfig
meson.build s390x/pci: enable for load/store interpretation 2022-09-26 17:23:47 +02:00
pv.c s390x/pv: Implement a CGS check helper 2023-01-18 12:27:21 +01:00
s390-ccw.c misc: fix commonly doubled up words 2022-08-01 11:58:02 +02:00
s390-pci-bus.c s390x/pci: reset ISM passthrough devices on shutdown and system reset 2022-12-15 15:02:34 +01:00
s390-pci-inst.c * s390x header clean-ups from Philippe 2023-01-09 15:54:31 +00:00
s390-pci-kvm.c Revert "s390x/s390-virtio-ccw: add zpcii-disable machine property" 2022-11-08 10:10:57 +01:00
s390-pci-vfio.c s390x/pci: reset ISM passthrough devices on shutdown and system reset 2022-12-15 15:02:34 +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 hw/s390x/s390-skeys: lazy storage key enablement under TCG 2021-09-06 16:24:05 +02:00
s390-stattrib-kvm.c target/s390x: move kvm files into kvm/ 2021-07-07 14:01:59 +02:00
s390-stattrib.c
s390-virtio-ccw.c hw: Add compat machines for 8.0 2022-12-21 06:35:28 -05:00
s390-virtio-hcall.c
s390-virtio-hcall.h
sclp.c Mark remaining global TypeInfo instances as const 2022-02-21 13:30:20 +00:00
sclpcpu.c
sclpquiesce.c
tod-kvm.c s390x/tod-kvm: don't save/restore the TOD in PV guests 2022-10-27 09:09:50 +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
trace.h
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
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 virtio-ccw: move device type declarations to .c files 2022-04-06 14:31:56 +02:00
virtio-ccw.c virtio: stop ioeventfd on reset 2022-06-14 16:50:30 +02:00
virtio-ccw.h virtio-ccw: do not include headers for all virtio devices 2022-04-06 14:31:56 +02:00