diff options
| author | Steffen Eiden <seiden@linux.ibm.com> | 2023-08-23 16:22:19 +0200 |
|---|---|---|
| committer | Thomas Huth <thuth@redhat.com> | 2023-09-12 11:35:46 +0200 |
| commit | 5ac951519c23d9eaf7dc9e2dcbcbc7d9a745ffe7 (patch) | |
| tree | 1b4b553f8ff1f2247e86f2cee25d8e087025a374 /target/s390x/cpu_features_def.h.inc | |
| parent | 354383c12294f2ee510204cfdc5aaed9f0c42171 (diff) | |
target/s390x: AP-passthrough for PV guests
Enabling AP-passthrough(AP-pt) for PV-guest by using the new CPU
features for PV-AP-pt of KVM.
As usual QEMU first checks which CPU features are available and then
sets them if available and selected by user. An additional check is done
to verify that PV-AP can only be enabled if "regular" AP-pt is enabled
as well. Note that KVM itself does not enforce this restriction.
Reviewed-by: Michael Mueller <mimu@linux.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Steffen Eiden <seiden@linux.ibm.com>
Message-ID: <20230823142219.1046522-6-seiden@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Diffstat (limited to 'target/s390x/cpu_features_def.h.inc')
| -rw-r--r-- | target/s390x/cpu_features_def.h.inc | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/target/s390x/cpu_features_def.h.inc b/target/s390x/cpu_features_def.h.inc index e3cfe63735..e68da9b8ff 100644 --- a/target/s390x/cpu_features_def.h.inc +++ b/target/s390x/cpu_features_def.h.inc @@ -379,3 +379,7 @@ DEF_FEAT(DEFLATE_GHDT, "dfltcc-gdht", DFLTCC, 1, "DFLTCC GDHT") DEF_FEAT(DEFLATE_CMPR, "dfltcc-cmpr", DFLTCC, 2, "DFLTCC CMPR") DEF_FEAT(DEFLATE_XPND, "dfltcc-xpnd", DFLTCC, 4, "DFLTCC XPND") DEF_FEAT(DEFLATE_F0, "dfltcc-f0", DFLTCC, 192, "DFLTCC format 0 parameter-block") + +/* Features exposed via the UV-CALL instruction */ +DEF_FEAT(UV_FEAT_AP, "appv", UV_FEAT_GUEST, 4, "AP instructions installed for secure guests") +DEF_FEAT(UV_FEAT_AP_INTR, "appvi", UV_FEAT_GUEST, 5, "AP instructions interruption support for secure guests") |