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-rw-r--r--hw/core/machine.c26
-rw-r--r--hw/hppa/hppa_hardware.h36
-rw-r--r--hw/misc/ivshmem-flat.c5
-rw-r--r--hw/s390x/s390-virtio-ccw.c44
-rw-r--r--hw/virtio/virtio-balloon-pci.c12
-rw-r--r--hw/virtio/virtio-mem-pci.c12
6 files changed, 122 insertions, 13 deletions
diff --git a/hw/core/machine.c b/hw/core/machine.c
index c23b399496..254cc20c4c 100644
--- a/hw/core/machine.c
+++ b/hw/core/machine.c
@@ -38,6 +38,10 @@
 
 GlobalProperty hw_compat_9_2[] = {
     {"arm-cpu", "backcompat-pauth-default-use-qarma5", "true"},
+    { "virtio-balloon-pci", "vectors", "0" },
+    { "virtio-balloon-pci-transitional", "vectors", "0" },
+    { "virtio-balloon-pci-non-transitional", "vectors", "0" },
+    { "virtio-mem-pci", "vectors", "0" },
 };
 const size_t hw_compat_9_2_len = G_N_ELEMENTS(hw_compat_9_2);
 
@@ -457,6 +461,22 @@ static void machine_set_mem_merge(Object *obj, bool value, Error **errp)
     ms->mem_merge = value;
 }
 
+#ifdef CONFIG_POSIX
+static bool machine_get_aux_ram_share(Object *obj, Error **errp)
+{
+    MachineState *ms = MACHINE(obj);
+
+    return ms->aux_ram_share;
+}
+
+static void machine_set_aux_ram_share(Object *obj, bool value, Error **errp)
+{
+    MachineState *ms = MACHINE(obj);
+
+    ms->aux_ram_share = value;
+}
+#endif
+
 static bool machine_get_usb(Object *obj, Error **errp)
 {
     MachineState *ms = MACHINE(obj);
@@ -1162,6 +1182,12 @@ static void machine_class_init(ObjectClass *oc, void *data)
     object_class_property_set_description(oc, "mem-merge",
         "Enable/disable memory merge support");
 
+#ifdef CONFIG_POSIX
+    object_class_property_add_bool(oc, "aux-ram-share",
+                                   machine_get_aux_ram_share,
+                                   machine_set_aux_ram_share);
+#endif
+
     object_class_property_add_bool(oc, "usb",
         machine_get_usb, machine_set_usb);
     object_class_property_set_description(oc, "usb",
diff --git a/hw/hppa/hppa_hardware.h b/hw/hppa/hppa_hardware.h
index a276240967..21c777cba6 100644
--- a/hw/hppa/hppa_hardware.h
+++ b/hw/hppa/hppa_hardware.h
@@ -6,6 +6,11 @@
 
 #define FIRMWARE_START  0xf0000000
 #define FIRMWARE_END    0xf0800000
+#define FIRMWARE_HIGH   0xfffffff0  /* upper 32-bits of 64-bit firmware address */
+
+#define RAM_MAP_HIGH  0x0100000000  /* memory above 3.75 GB is mapped here */
+
+#define MEM_PDC_ENTRY       0x4800  /* PDC entry address */
 
 #define DEVICE_HPA_LEN  0x00100000
 
@@ -18,6 +23,7 @@
 #define LASI_UART_HPA   0xffd05000
 #define LASI_SCSI_HPA   0xffd06000
 #define LASI_LAN_HPA    0xffd07000
+#define LASI_RTC_HPA    0xffd09000
 #define LASI_LPT_HPA    0xffd02000
 #define LASI_AUDIO_HPA  0xffd04000
 #define LASI_PS2KBD_HPA 0xffd08000
@@ -27,16 +33,23 @@
 #define CPU_HPA         0xfffb0000
 #define MEMORY_HPA      0xfffff000
 
-#define PCI_HPA         DINO_HPA        /* PCI bus */
 #define IDE_HPA         0xf9000000      /* Boot disc controller */
+#define ASTRO_HPA       0xfed00000
+#define ELROY0_HPA      0xfed30000
+#define ELROY2_HPA      0xfed32000
+#define ELROY8_HPA      0xfed38000
+#define ELROYc_HPA      0xfed3c000
+#define ASTRO_MEMORY_HPA 0xfed10200
+
+#define SCSI_HPA        0xf1040000      /* emulated SCSI, needs to be in f region */
 
 /* offsets to DINO HPA: */
 #define DINO_PCI_ADDR           0x064
 #define DINO_CONFIG_DATA        0x068
 #define DINO_IO_DATA            0x06c
 
-#define PORT_PCI_CMD    (PCI_HPA + DINO_PCI_ADDR)
-#define PORT_PCI_DATA   (PCI_HPA + DINO_CONFIG_DATA)
+#define PORT_PCI_CMD    hppa_port_pci_cmd
+#define PORT_PCI_DATA   hppa_port_pci_data
 
 #define FW_CFG_IO_BASE  0xfffa0000
 
@@ -46,9 +59,24 @@
 #define HPPA_MAX_CPUS   16      /* max. number of SMP CPUs */
 #define CPU_CLOCK_MHZ   250     /* emulate a 250 MHz CPU */
 
+#define CR_PSW_DEFAULT  6       /* used by SeaBIOS & QEMU for default PSW */
 #define CPU_HPA_CR_REG  7       /* store CPU HPA in cr7 (SeaBIOS internal) */
 #define PIM_STORAGE_SIZE 600	/* storage size of pdc_pim_toc_struct (64bit) */
 
-#define RAM_MAP_HIGH  0x0100000000  /* memory above 3.75 GB is mapped here */
+#define ASTRO_BUS_MODULE        0x0a            /* C3700: 0x0a, others maybe 0 ? */
+
+/* ASTRO Memory and I/O regions */
+#define ASTRO_BASE_HPA            0xfffed00000
+#define ELROY0_BASE_HPA           0xfffed30000  /* ELROY0_HPA */
+
+#define ROPES_PER_IOC           8       /* per Ike half or Pluto/Astro */
+
+#define LMMIO_DIRECT0_BASE  0x300
+#define LMMIO_DIRECT0_MASK  0x308
+#define LMMIO_DIRECT0_ROUTE 0x310
+
+/* space register hashing */
+#define HPPA64_DIAG_SPHASH_ENABLE       0x200   /* DIAG_SPHASH_ENAB (bit 54) */
+#define HPPA64_PDC_CACHE_RET_SPID_VAL   0xfe0   /* PDC return value on 64-bit CPU */
 
 #endif
diff --git a/hw/misc/ivshmem-flat.c b/hw/misc/ivshmem-flat.c
index 33fc9425d2..40309a8ff3 100644
--- a/hw/misc/ivshmem-flat.c
+++ b/hw/misc/ivshmem-flat.c
@@ -1,9 +1,10 @@
 /*
  * Inter-VM Shared Memory Flat Device
  *
- * SPDX-FileCopyrightText: 2023 Linaro Ltd.
- * SPDX-FileContributor: Gustavo Romero <gustavo.romero@linaro.org>
  * SPDX-License-Identifier: GPL-2.0-or-later
+ * Copyright (c) 2023 Linaro Ltd.
+ * Authors:
+ *   Gustavo Romero
  *
  */
 
diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
index 3af613d4e9..d9e683c5b4 100644
--- a/hw/s390x/s390-virtio-ccw.c
+++ b/hw/s390x/s390-virtio-ccw.c
@@ -48,6 +48,7 @@
 #include "kvm/kvm_s390x.h"
 #include "hw/virtio/virtio-md-pci.h"
 #include "hw/s390x/virtio-ccw-md.h"
+#include "system/replay.h"
 #include CONFIG_DEVICES
 
 static Error *pv_mig_blocker;
@@ -454,6 +455,18 @@ static void s390_machine_reset(MachineState *machine, ResetType type)
     CPUState *cs, *t;
     S390CPU *cpu;
 
+    /*
+     * Temporarily drop the record/replay mutex to let rr_cpu_thread_fn()
+     * process the run_on_cpu() requests below. This is safe, because at this
+     * point one of the following is true:
+     * - All CPU threads are not running, either because the machine is being
+     *   initialized, or because the guest requested a reset using diag 308.
+     *   There is no risk to desync the record/replay state.
+     * - A snapshot is about to be loaded. The record/replay state consistency
+     *   is not important.
+     */
+    replay_mutex_unlock();
+
     /* get the reset parameters, reset them once done */
     s390_ipl_get_reset_request(&cs, &reset_type);
 
@@ -533,7 +546,7 @@ static void s390_machine_reset(MachineState *machine, ResetType type)
              * went wrong.
              */
             s390_cpu_set_state(S390_CPU_STATE_OPERATING, cpu);
-            return;
+            goto out_lock;
         }
 
         run_on_cpu(cs, s390_do_cpu_load_normal, RUN_ON_CPU_NULL);
@@ -546,6 +559,15 @@ static void s390_machine_reset(MachineState *machine, ResetType type)
         run_on_cpu(t, s390_do_cpu_set_diag318, RUN_ON_CPU_HOST_ULONG(0));
     }
     s390_ipl_clear_reset_request();
+
+out_lock:
+    /*
+     * Re-take the record/replay mutex, temporarily dropping the BQL in order
+     * to satisfy the ordering requirements.
+     */
+    bql_unlock();
+    replay_mutex_lock();
+    bql_lock();
 }
 
 static void s390_machine_device_pre_plug(HotplugHandler *hotplug_dev,
@@ -554,8 +576,7 @@ static void s390_machine_device_pre_plug(HotplugHandler *hotplug_dev,
     if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_MD_CCW)) {
         virtio_ccw_md_pre_plug(VIRTIO_MD_CCW(dev), MACHINE(hotplug_dev), errp);
     } else if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_MD_PCI)) {
-        error_setg(errp,
-                   "PCI-attached virtio based memory devices not supported");
+        virtio_md_pci_pre_plug(VIRTIO_MD_PCI(dev), MACHINE(hotplug_dev), errp);
     }
 }
 
@@ -566,7 +587,8 @@ static void s390_machine_device_plug(HotplugHandler *hotplug_dev,
 
     if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
         s390_cpu_plug(hotplug_dev, dev, errp);
-    } else if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_MD_CCW)) {
+    } else if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_MD_CCW) ||
+               object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_MD_PCI)) {
         /*
          * At this point, the device is realized and set all memdevs mapped, so
          * qemu_maxrampagesize() will pick up the page sizes of these memdevs
@@ -580,7 +602,11 @@ static void s390_machine_device_plug(HotplugHandler *hotplug_dev,
                        " initial memory");
             return;
         }
-        virtio_ccw_md_plug(VIRTIO_MD_CCW(dev), MACHINE(hotplug_dev), errp);
+        if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_MD_CCW)) {
+            virtio_ccw_md_plug(VIRTIO_MD_CCW(dev), MACHINE(hotplug_dev), errp);
+        } else {
+            virtio_md_pci_plug(VIRTIO_MD_PCI(dev), MACHINE(hotplug_dev), errp);
+        }
     }
 }
 
@@ -589,10 +615,12 @@ static void s390_machine_device_unplug_request(HotplugHandler *hotplug_dev,
 {
     if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
         error_setg(errp, "CPU hot unplug not supported on this machine");
-        return;
     } else if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_MD_CCW)) {
         virtio_ccw_md_unplug_request(VIRTIO_MD_CCW(dev), MACHINE(hotplug_dev),
                                      errp);
+    } else if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_MD_PCI)) {
+        virtio_md_pci_unplug_request(VIRTIO_MD_PCI(dev), MACHINE(hotplug_dev),
+                                     errp);
     }
 }
 
@@ -601,7 +629,9 @@ static void s390_machine_device_unplug(HotplugHandler *hotplug_dev,
 {
     if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_MD_CCW)) {
         virtio_ccw_md_unplug(VIRTIO_MD_CCW(dev), MACHINE(hotplug_dev), errp);
-     }
+    } else if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_MD_PCI)) {
+        virtio_md_pci_unplug(VIRTIO_MD_PCI(dev), MACHINE(hotplug_dev), errp);
+    }
  }
 
 static CpuInstanceProperties s390_cpu_index_to_props(MachineState *ms,
diff --git a/hw/virtio/virtio-balloon-pci.c b/hw/virtio/virtio-balloon-pci.c
index ce2645ba71..db7e1cb475 100644
--- a/hw/virtio/virtio-balloon-pci.c
+++ b/hw/virtio/virtio-balloon-pci.c
@@ -35,11 +35,22 @@ struct VirtIOBalloonPCI {
     VirtIOBalloon vdev;
 };
 
+static const Property virtio_balloon_properties[] = {
+    DEFINE_PROP_BIT("ioeventfd", VirtIOPCIProxy, flags,
+                    VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT, true),
+    DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors,
+                       DEV_NVECTORS_UNSPECIFIED),
+};
+
 static void virtio_balloon_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
 {
     VirtIOBalloonPCI *dev = VIRTIO_BALLOON_PCI(vpci_dev);
     DeviceState *vdev = DEVICE(&dev->vdev);
 
+    if (vpci_dev->nvectors == DEV_NVECTORS_UNSPECIFIED) {
+        vpci_dev->nvectors = 2;
+    }
+
     vpci_dev->class_code = PCI_CLASS_OTHERS;
     qdev_realize(vdev, BUS(&vpci_dev->bus), errp);
 }
@@ -55,6 +66,7 @@ static void virtio_balloon_pci_class_init(ObjectClass *klass, void *data)
     pcidev_k->device_id = PCI_DEVICE_ID_VIRTIO_BALLOON;
     pcidev_k->revision = VIRTIO_PCI_ABI_VERSION;
     pcidev_k->class_id = PCI_CLASS_OTHERS;
+    device_class_set_props(dc, virtio_balloon_properties);
 }
 
 static void virtio_balloon_pci_instance_init(Object *obj)
diff --git a/hw/virtio/virtio-mem-pci.c b/hw/virtio/virtio-mem-pci.c
index 1b4e9a3284..6cc5f0fd3b 100644
--- a/hw/virtio/virtio-mem-pci.c
+++ b/hw/virtio/virtio-mem-pci.c
@@ -22,6 +22,10 @@ static void virtio_mem_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
     VirtIOMEMPCI *mem_pci = VIRTIO_MEM_PCI(vpci_dev);
     DeviceState *vdev = DEVICE(&mem_pci->vdev);
 
+    if (vpci_dev->nvectors == DEV_NVECTORS_UNSPECIFIED) {
+        vpci_dev->nvectors = 2;
+    }
+
     virtio_pci_force_virtio_1(vpci_dev);
     qdev_realize(vdev, BUS(&vpci_dev->bus), errp);
 }
@@ -152,6 +156,13 @@ static void virtio_mem_pci_set_requested_size(Object *obj, Visitor *v,
     object_property_set(OBJECT(&pci_mem->vdev), name, v, errp);
 }
 
+static const Property virtio_mem_pci_class_properties[] = {
+    DEFINE_PROP_BIT("ioeventfd", VirtIOPCIProxy, flags,
+                    VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT, true),
+    DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors,
+                       DEV_NVECTORS_UNSPECIFIED),
+};
+
 static void virtio_mem_pci_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
@@ -164,6 +175,7 @@ static void virtio_mem_pci_class_init(ObjectClass *klass, void *data)
     set_bit(DEVICE_CATEGORY_MISC, dc->categories);
     pcidev_k->revision = VIRTIO_PCI_ABI_VERSION;
     pcidev_k->class_id = PCI_CLASS_OTHERS;
+    device_class_set_props(dc, virtio_mem_pci_class_properties);
 
     mdc->get_addr = virtio_mem_pci_get_addr;
     mdc->set_addr = virtio_mem_pci_set_addr;