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authorStefan Hajnoczi <stefanha@redhat.com>2023-09-13 07:52:43 -0400
committerStefan Hajnoczi <stefanha@redhat.com>2023-09-13 07:52:43 -0400
commit9a8af699677cdf58e92ff43f38ea74bbe9d37ab0 (patch)
tree8a4c57b097425bc1f17956fecc098914d5267a71 /hw
parent7754c97179a40c563935b7610aa3146291abefcc (diff)
parent82fdcd3e140c8d4c63f177ece554f90f2bccdf68 (diff)
downloadfocaccia-qemu-9a8af699677cdf58e92ff43f38ea74bbe9d37ab0.tar.gz
focaccia-qemu-9a8af699677cdf58e92ff43f38ea74bbe9d37ab0.zip
Merge tag 'pull-request-2023-09-12' of https://gitlab.com/thuth/qemu into staging
* Enable AP (crypto adapter) instructions for s390x PV-guests
* Allow NVME for s390x machines
* Update Linux headers to v6.6-rc1

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# gpg: Signature made Tue 12 Sep 2023 07:37:51 EDT
# gpg:                using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5
# gpg:                issuer "thuth@redhat.com"
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full]
# gpg:                 aka "Thomas Huth <thuth@redhat.com>" [full]
# gpg:                 aka "Thomas Huth <huth@tuxfamily.org>" [full]
# gpg:                 aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3  EAB9 2ED9 D774 FE70 2DB5

* tag 'pull-request-2023-09-12' of https://gitlab.com/thuth/qemu:
  tests/qtest/pflash: Clean up local variable shadowing
  kconfig: Add NVME to s390x machines
  target/s390x: AP-passthrough for PV guests
  target/s390x/kvm: Refactor AP functionalities
  linux-headers: Update to Linux v6.6-rc1
  s390x: do a subsystem reset before the unprotect on reboot
  s390x/ap: fix missing subsystem reset registration

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'hw')
-rw-r--r--hw/nvme/Kconfig2
-rw-r--r--hw/s390x/s390-virtio-ccw.c11
2 files changed, 12 insertions, 1 deletions
diff --git a/hw/nvme/Kconfig b/hw/nvme/Kconfig
index 8ac90942e5..cfa2ab0f9d 100644
--- a/hw/nvme/Kconfig
+++ b/hw/nvme/Kconfig
@@ -1,4 +1,4 @@
 config NVME_PCI
     bool
-    default y if PCI_DEVICES
+    default y if PCI_DEVICES || PCIE_DEVICES
     depends on PCI
diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
index bfcf64d007..2d75f2131f 100644
--- a/hw/s390x/s390-virtio-ccw.c
+++ b/hw/s390x/s390-virtio-ccw.c
@@ -109,6 +109,7 @@ static const char *const reset_dev_types[] = {
     "s390-flic",
     "diag288",
     TYPE_S390_PCI_HOST_BRIDGE,
+    TYPE_AP_BRIDGE,
 };
 
 static void subsystem_reset(void)
@@ -437,10 +438,20 @@ static void s390_machine_reset(MachineState *machine, ShutdownCause reason)
     switch (reset_type) {
     case S390_RESET_EXTERNAL:
     case S390_RESET_REIPL:
+        /*
+         * Reset the subsystem which includes a AP reset. If a PV
+         * guest had APQNs attached the AP reset is a prerequisite to
+         * unprotecting since the UV checks if all APQNs are reset.
+         */
+        subsystem_reset();
         if (s390_is_pv()) {
             s390_machine_unprotect(ms);
         }
 
+        /*
+         * Device reset includes CPU clear resets so this has to be
+         * done AFTER the unprotect call above.
+         */
         qemu_devices_reset(reason);
         s390_crypto_reset();