Merge remote-tracking branch 'remotes/cohuck/tags/s390x-20181012' into staging

More s390x updates:
- introduce support for vfio-ap (s390 crypto devices), including a
  Linux headers update to get the new interfaces
- the usual fixing + cleanup

# gpg: Signature made Fri 12 Oct 2018 10:54:38 BST
# gpg:                using RSA key DECF6B93C6F02FAF
# gpg: Good signature from "Cornelia Huck <conny@cornelia-huck.de>"
# gpg:                 aka "Cornelia Huck <huckc@linux.vnet.ibm.com>"
# gpg:                 aka "Cornelia Huck <cornelia.huck@de.ibm.com>"
# gpg:                 aka "Cornelia Huck <cohuck@kernel.org>"
# gpg:                 aka "Cornelia Huck <cohuck@redhat.com>"
# Primary key fingerprint: C3D0 D66D C362 4FF6 A8C0  18CE DECF 6B93 C6F0 2FAF

* remotes/cohuck/tags/s390x-20181012:
  hw/s390x: Include the tod-qemu also for builds with --disable-tcg
  s390: doc: detailed specifications for AP virtualization
  s390x/vfio: ap: Introduce VFIO AP device
  s390x/ap: base Adjunct Processor (AP) object model
  s390x/kvm: enable AP instruction interpretation for guest
  s390x/cpumodel: Set up CPU model for AP device support
  linux-headers: update
  target/s390x/excp_helper: Remove DPRINTF() macro

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

3 files changed, 42 insertions, 0 deletions

diff --git a/include/hw/s390x/ap-bridge.h b/include/hw/s390x/ap-bridge.h
new file mode 100644
index 0000000000..470e439a98
--- /dev/null
+++ b/include/hw/s390x/ap-bridge.h
@@ -0,0 +1,19 @@
+/*
+ * ap bridge
+ *
+ * Copyright 2018 IBM Corp.
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or (at
+ * your option) any later version. See the COPYING file in the top-level
+ * directory.
+ */
+
+#ifndef HW_S390X_AP_BRIDGE_H
+#define HW_S390X_AP_BRIDGE_H
+
+#define TYPE_AP_BRIDGE "ap-bridge"
+#define TYPE_AP_BUS "ap-bus"
+
+void s390_init_ap(void);
+
+#endif
diff --git a/include/hw/s390x/ap-device.h b/include/hw/s390x/ap-device.h
new file mode 100644
index 0000000000..765e9082a3
--- /dev/null
+++ b/include/hw/s390x/ap-device.h
@@ -0,0 +1,22 @@
+/*
+ * Adjunct Processor (AP) matrix device interfaces
+ *
+ * Copyright 2018 IBM Corp.
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or (at
+ * your option) any later version. See the COPYING file in the top-level
+ * directory.
+ */
+#ifndef HW_S390X_AP_DEVICE_H
+#define HW_S390X_AP_DEVICE_H
+
+#define AP_DEVICE_TYPE       "ap-device"
+
+typedef struct APDevice {
+    DeviceState parent_obj;
+} APDevice;
+
+#define AP_DEVICE(obj) \
+    OBJECT_CHECK(APDevice, (obj), AP_DEVICE_TYPE)
+
+#endif /* HW_S390X_AP_DEVICE_H */
diff --git a/include/hw/vfio/vfio-common.h b/include/hw/vfio/vfio-common.h
index 821def0565..6be9a93f61 100644
--- a/include/hw/vfio/vfio-common.h
+++ b/include/hw/vfio/vfio-common.h
@@ -37,6 +37,7 @@ enum {
     VFIO_DEVICE_TYPE_PCI = 0,
     VFIO_DEVICE_TYPE_PLATFORM = 1,
     VFIO_DEVICE_TYPE_CCW = 2,
+    VFIO_DEVICE_TYPE_AP = 3,
 };
 
 typedef struct VFIOMmap {