5 files changed, 77 insertions, 1 deletions

diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index c54cc54a47..853502f277 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -134,6 +134,9 @@ typedef struct PCMachineClass {
 
     /* use PVH to load kernels that support this feature */
     bool pvh_enabled;
+
+    /* Enables contiguous-apic-ID mode */
+    bool compat_apic_id_mode;
 } PCMachineClass;
 
 #define TYPE_PC_MACHINE "generic-pc-machine"
diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h
index d082707dfa..aaf1b9f70d 100644
--- a/include/hw/pci/pci.h
+++ b/include/hw/pci/pci.h
@@ -85,6 +85,7 @@ extern bool pci_available;
 #define PCI_DEVICE_ID_VIRTIO_RNG         0x1005
 #define PCI_DEVICE_ID_VIRTIO_9P          0x1009
 #define PCI_DEVICE_ID_VIRTIO_VSOCK       0x1012
+#define PCI_DEVICE_ID_VIRTIO_PMEM        0x1013
 
 #define PCI_VENDOR_ID_REDHAT             0x1b36
 #define PCI_DEVICE_ID_REDHAT_BRIDGE      0x0001
diff --git a/include/hw/pci/pcie.h b/include/hw/pci/pcie.h
index e30334d74d..34f277735c 100644
--- a/include/hw/pci/pcie.h
+++ b/include/hw/pci/pcie.h
@@ -107,7 +107,9 @@ void pcie_cap_lnkctl_reset(PCIDevice *dev);
 
 void pcie_cap_slot_init(PCIDevice *dev, uint16_t slot);
 void pcie_cap_slot_reset(PCIDevice *dev);
+void pcie_cap_slot_get(PCIDevice *dev, uint16_t *slot_ctl, uint16_t *slt_sta);
 void pcie_cap_slot_write_config(PCIDevice *dev,
+                                uint16_t old_slot_ctl, uint16_t old_slt_sta,
                                 uint32_t addr, uint32_t val, int len);
 int pcie_cap_slot_post_load(void *opaque, int version_id);
 void pcie_cap_slot_push_attention_button(PCIDevice *dev);
diff --git a/include/hw/virtio/virtio-pmem.h b/include/hw/virtio/virtio-pmem.h
new file mode 100644
index 0000000000..19b6ee6d75
--- /dev/null
+++ b/include/hw/virtio/virtio-pmem.h
@@ -0,0 +1,49 @@
+/*
+ * Virtio PMEM device
+ *
+ * Copyright (C) 2018-2019 Red Hat, Inc.
+ *
+ * Authors:
+ *  Pankaj Gupta <pagupta@redhat.com>
+ *  David Hildenbrand <david@redhat.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2.
+ * See the COPYING file in the top-level directory.
+ */
+
+#ifndef HW_VIRTIO_PMEM_H
+#define HW_VIRTIO_PMEM_H
+
+#include "hw/virtio/virtio.h"
+#include "sysemu/hostmem.h"
+
+#define TYPE_VIRTIO_PMEM "virtio-pmem"
+
+#define VIRTIO_PMEM(obj) \
+        OBJECT_CHECK(VirtIOPMEM, (obj), TYPE_VIRTIO_PMEM)
+#define VIRTIO_PMEM_CLASS(oc) \
+        OBJECT_CLASS_CHECK(VirtIOPMEMClass, (oc), TYPE_VIRTIO_PMEM)
+#define VIRTIO_PMEM_GET_CLASS(obj) \
+        OBJECT_GET_CLASS(VirtIOPMEMClass, (obj), TYPE_VIRTIO_PMEM)
+
+#define VIRTIO_PMEM_ADDR_PROP "memaddr"
+#define VIRTIO_PMEM_MEMDEV_PROP "memdev"
+
+typedef struct VirtIOPMEM {
+    VirtIODevice parent_obj;
+
+    VirtQueue *rq_vq;
+    uint64_t start;
+    HostMemoryBackend *memdev;
+} VirtIOPMEM;
+
+typedef struct VirtIOPMEMClass {
+    /* private */
+    VirtIODevice parent;
+
+    /* public */
+    void (*fill_device_info)(const VirtIOPMEM *pmem, VirtioPMEMDeviceInfo *vi);
+    MemoryRegion *(*get_memory_region)(VirtIOPMEM *pmem, Error **errp);
+} VirtIOPMEMClass;
+
+#endif
diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h
index 27c0efc3d0..b189788cb2 100644
--- a/include/hw/virtio/virtio.h
+++ b/include/hw/virtio/virtio.h
@@ -105,8 +105,9 @@ struct VirtIODevice
     uint16_t device_id;
     bool vm_running;
     bool broken; /* device in invalid state, needs reset */
+    bool use_started;
     bool started;
-    bool start_on_kick; /* virtio 1.0 transitional devices support that */
+    bool start_on_kick; /* when virtio 1.0 feature has not been negotiated */
     VMChangeStateEntry *vmstate;
     char *bus_name;
     uint8_t device_endian;
@@ -351,4 +352,24 @@ static inline bool virtio_is_big_endian(VirtIODevice *vdev)
     /* Devices conforming to VIRTIO 1.0 or later are always LE. */
     return false;
 }
+
+static inline bool virtio_device_started(VirtIODevice *vdev, uint8_t status)
+{
+    if (vdev->use_started) {
+        return vdev->started;
+    }
+
+    return status & VIRTIO_CONFIG_S_DRIVER_OK;
+}
+
+static inline void virtio_set_started(VirtIODevice *vdev, bool started)
+{
+    if (started) {
+        vdev->start_on_kick = false;
+    }
+
+    if (vdev->use_started) {
+        vdev->started = started;
+    }
+}
 #endif