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-rw-r--r--hw/arm/sysbus-fdt.c73
-rw-r--r--hw/arm/virt.c12
-rw-r--r--hw/arm/xlnx-ep108.c2
-rw-r--r--hw/arm/xlnx-zynqmp.c79
-rw-r--r--hw/core/sysbus.c16
-rw-r--r--hw/i386/pc_q35.c1
-rw-r--r--hw/microblaze/petalogix_ml605_mmu.c28
-rw-r--r--hw/microblaze/petalogix_s3adsp1800_mmu.c17
-rw-r--r--hw/misc/ivshmem.c1
-rw-r--r--hw/net/vhost_net.c60
-rw-r--r--hw/net/virtio-net.c4
-rw-r--r--hw/net/vmxnet3.c9
-rw-r--r--hw/s390x/s390-virtio-ccw.c1
-rw-r--r--hw/s390x/s390-virtio.c1
-rw-r--r--hw/s390x/virtio-ccw.c4
-rw-r--r--hw/scsi/megasas.c8
-rw-r--r--hw/scsi/vhost-scsi.c2
-rw-r--r--hw/scsi/vmw_pvscsi.c8
-rw-r--r--hw/vfio/platform.c2
-rw-r--r--hw/virtio/vhost.c64
20 files changed, 252 insertions, 140 deletions
diff --git a/hw/arm/sysbus-fdt.c b/hw/arm/sysbus-fdt.c
index 3038b94b4a..9d28797c87 100644
--- a/hw/arm/sysbus-fdt.c
+++ b/hw/arm/sysbus-fdt.c
@@ -26,6 +26,9 @@
 #include "sysemu/device_tree.h"
 #include "hw/platform-bus.h"
 #include "sysemu/sysemu.h"
+#include "hw/vfio/vfio-platform.h"
+#include "hw/vfio/vfio-calxeda-xgmac.h"
+#include "hw/arm/fdt.h"
 
 /*
  * internal struct that contains the information to create dynamic
@@ -53,11 +56,81 @@ typedef struct NodeCreationPair {
     int (*add_fdt_node_fn)(SysBusDevice *sbdev, void *opaque);
 } NodeCreationPair;
 
+/* Device Specific Code */
+
+/**
+ * add_calxeda_midway_xgmac_fdt_node
+ *
+ * Generates a simple node with following properties:
+ * compatible string, regs, interrupts, dma-coherent
+ */
+static int add_calxeda_midway_xgmac_fdt_node(SysBusDevice *sbdev, void *opaque)
+{
+    PlatformBusFDTData *data = opaque;
+    PlatformBusDevice *pbus = data->pbus;
+    void *fdt = data->fdt;
+    const char *parent_node = data->pbus_node_name;
+    int compat_str_len, i, ret = -1;
+    char *nodename;
+    uint32_t *irq_attr, *reg_attr;
+    uint64_t mmio_base, irq_number;
+    VFIOPlatformDevice *vdev = VFIO_PLATFORM_DEVICE(sbdev);
+    VFIODevice *vbasedev = &vdev->vbasedev;
+
+    mmio_base = platform_bus_get_mmio_addr(pbus, sbdev, 0);
+    nodename = g_strdup_printf("%s/%s@%" PRIx64, parent_node,
+                               vbasedev->name, mmio_base);
+    qemu_fdt_add_subnode(fdt, nodename);
+
+    compat_str_len = strlen(vdev->compat) + 1;
+    qemu_fdt_setprop(fdt, nodename, "compatible",
+                          vdev->compat, compat_str_len);
+
+    qemu_fdt_setprop(fdt, nodename, "dma-coherent", "", 0);
+
+    reg_attr = g_new(uint32_t, vbasedev->num_regions * 2);
+    for (i = 0; i < vbasedev->num_regions; i++) {
+        mmio_base = platform_bus_get_mmio_addr(pbus, sbdev, i);
+        reg_attr[2 * i] = cpu_to_be32(mmio_base);
+        reg_attr[2 * i + 1] = cpu_to_be32(
+                                memory_region_size(&vdev->regions[i]->mem));
+    }
+    ret = qemu_fdt_setprop(fdt, nodename, "reg", reg_attr,
+                           vbasedev->num_regions * 2 * sizeof(uint32_t));
+    if (ret) {
+        error_report("could not set reg property of node %s", nodename);
+        goto fail_reg;
+    }
+
+    irq_attr = g_new(uint32_t, vbasedev->num_irqs * 3);
+    for (i = 0; i < vbasedev->num_irqs; i++) {
+        irq_number = platform_bus_get_irqn(pbus, sbdev , i)
+                         + data->irq_start;
+        irq_attr[3 * i] = cpu_to_be32(GIC_FDT_IRQ_TYPE_SPI);
+        irq_attr[3 * i + 1] = cpu_to_be32(irq_number);
+        irq_attr[3 * i + 2] = cpu_to_be32(GIC_FDT_IRQ_FLAGS_LEVEL_HI);
+    }
+    ret = qemu_fdt_setprop(fdt, nodename, "interrupts",
+                     irq_attr, vbasedev->num_irqs * 3 * sizeof(uint32_t));
+    if (ret) {
+        error_report("could not set interrupts property of node %s",
+                     nodename);
+    }
+    g_free(irq_attr);
+fail_reg:
+    g_free(reg_attr);
+    g_free(nodename);
+    return ret;
+}
+
 /* list of supported dynamic sysbus devices */
 static const NodeCreationPair add_fdt_node_functions[] = {
+    {TYPE_VFIO_CALXEDA_XGMAC, add_calxeda_midway_xgmac_fdt_node},
     {"", NULL}, /* last element */
 };
 
+/* Generic Code */
+
 /**
  * add_fdt_node - add the device tree node of a dynamic sysbus device
  *
diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index f1e85c8e92..4e78083a9d 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -47,21 +47,11 @@
 #include "hw/arm/virt-acpi-build.h"
 #include "hw/arm/sysbus-fdt.h"
 #include "hw/platform-bus.h"
+#include "hw/arm/fdt.h"
 
 /* Number of external interrupt lines to configure the GIC with */
 #define NUM_IRQS 256
 
-#define GIC_FDT_IRQ_TYPE_SPI 0
-#define GIC_FDT_IRQ_TYPE_PPI 1
-
-#define GIC_FDT_IRQ_FLAGS_EDGE_LO_HI 1
-#define GIC_FDT_IRQ_FLAGS_EDGE_HI_LO 2
-#define GIC_FDT_IRQ_FLAGS_LEVEL_HI 4
-#define GIC_FDT_IRQ_FLAGS_LEVEL_LO 8
-
-#define GIC_FDT_IRQ_PPI_CPU_START 8
-#define GIC_FDT_IRQ_PPI_CPU_WIDTH 8
-
 #define PLATFORM_BUS_NUM_IRQS 64
 
 static ARMPlatformBusSystemParams platform_bus_params;
diff --git a/hw/arm/xlnx-ep108.c b/hw/arm/xlnx-ep108.c
index b924f5eca5..f94da86cba 100644
--- a/hw/arm/xlnx-ep108.c
+++ b/hw/arm/xlnx-ep108.c
@@ -65,7 +65,7 @@ static void xlnx_ep108_init(MachineState *machine)
     xlnx_ep108_binfo.kernel_cmdline = machine->kernel_cmdline;
     xlnx_ep108_binfo.initrd_filename = machine->initrd_filename;
     xlnx_ep108_binfo.loader_start = 0;
-    arm_load_kernel(&s->soc.cpu[0], &xlnx_ep108_binfo);
+    arm_load_kernel(s->soc.boot_cpu_ptr, &xlnx_ep108_binfo);
 }
 
 static QEMUMachine xlnx_ep108_machine = {
diff --git a/hw/arm/xlnx-zynqmp.c b/hw/arm/xlnx-zynqmp.c
index 6b019651ac..5e7207846e 100644
--- a/hw/arm/xlnx-zynqmp.c
+++ b/hw/arm/xlnx-zynqmp.c
@@ -64,10 +64,17 @@ static void xlnx_zynqmp_init(Object *obj)
     XlnxZynqMPState *s = XLNX_ZYNQMP(obj);
     int i;
 
-    for (i = 0; i < XLNX_ZYNQMP_NUM_CPUS; i++) {
-        object_initialize(&s->cpu[i], sizeof(s->cpu[i]),
+    for (i = 0; i < XLNX_ZYNQMP_NUM_APU_CPUS; i++) {
+        object_initialize(&s->apu_cpu[i], sizeof(s->apu_cpu[i]),
                           "cortex-a53-" TYPE_ARM_CPU);
-        object_property_add_child(obj, "cpu[*]", OBJECT(&s->cpu[i]),
+        object_property_add_child(obj, "apu-cpu[*]", OBJECT(&s->apu_cpu[i]),
+                                  &error_abort);
+    }
+
+    for (i = 0; i < XLNX_ZYNQMP_NUM_RPU_CPUS; i++) {
+        object_initialize(&s->rpu_cpu[i], sizeof(s->rpu_cpu[i]),
+                          "cortex-r5-" TYPE_ARM_CPU);
+        object_property_add_child(obj, "rpu-cpu[*]", OBJECT(&s->rpu_cpu[i]),
                                   &error_abort);
     }
 
@@ -90,12 +97,13 @@ static void xlnx_zynqmp_realize(DeviceState *dev, Error **errp)
     XlnxZynqMPState *s = XLNX_ZYNQMP(dev);
     MemoryRegion *system_memory = get_system_memory();
     uint8_t i;
+    const char *boot_cpu = s->boot_cpu ? s->boot_cpu : "apu-cpu[0]";
     qemu_irq gic_spi[GIC_NUM_SPI_INTR];
     Error *err = NULL;
 
     qdev_prop_set_uint32(DEVICE(&s->gic), "num-irq", GIC_NUM_SPI_INTR + 32);
     qdev_prop_set_uint32(DEVICE(&s->gic), "revision", 2);
-    qdev_prop_set_uint32(DEVICE(&s->gic), "num-cpu", XLNX_ZYNQMP_NUM_CPUS);
+    qdev_prop_set_uint32(DEVICE(&s->gic), "num-cpu", XLNX_ZYNQMP_NUM_APU_CPUS);
     object_property_set_bool(OBJECT(&s->gic), true, "realized", &err);
     if (err) {
         error_propagate((errp), (err));
@@ -121,38 +129,77 @@ static void xlnx_zynqmp_realize(DeviceState *dev, Error **errp)
         }
     }
 
-    for (i = 0; i < XLNX_ZYNQMP_NUM_CPUS; i++) {
+    for (i = 0; i < XLNX_ZYNQMP_NUM_APU_CPUS; i++) {
         qemu_irq irq;
+        char *name;
 
-        object_property_set_int(OBJECT(&s->cpu[i]), QEMU_PSCI_CONDUIT_SMC,
+        object_property_set_int(OBJECT(&s->apu_cpu[i]), QEMU_PSCI_CONDUIT_SMC,
                                 "psci-conduit", &error_abort);
-        if (i > 0) {
+
+        name = object_get_canonical_path_component(OBJECT(&s->apu_cpu[i]));
+        if (strcmp(name, boot_cpu)) {
             /* Secondary CPUs start in PSCI powered-down state */
-            object_property_set_bool(OBJECT(&s->cpu[i]), true,
+            object_property_set_bool(OBJECT(&s->apu_cpu[i]), true,
                                      "start-powered-off", &error_abort);
+        } else {
+            s->boot_cpu_ptr = &s->apu_cpu[i];
         }
 
-        object_property_set_int(OBJECT(&s->cpu[i]), GIC_BASE_ADDR,
+        object_property_set_int(OBJECT(&s->apu_cpu[i]), GIC_BASE_ADDR,
                                 "reset-cbar", &err);
         if (err) {
             error_propagate((errp), (err));
             return;
         }
 
-        object_property_set_bool(OBJECT(&s->cpu[i]), true, "realized", &err);
+        object_property_set_bool(OBJECT(&s->apu_cpu[i]), true, "realized",
+                                 &err);
         if (err) {
             error_propagate((errp), (err));
             return;
         }
 
         sysbus_connect_irq(SYS_BUS_DEVICE(&s->gic), i,
-                           qdev_get_gpio_in(DEVICE(&s->cpu[i]), ARM_CPU_IRQ));
+                           qdev_get_gpio_in(DEVICE(&s->apu_cpu[i]),
+                                            ARM_CPU_IRQ));
         irq = qdev_get_gpio_in(DEVICE(&s->gic),
                                arm_gic_ppi_index(i, ARM_PHYS_TIMER_PPI));
-        qdev_connect_gpio_out(DEVICE(&s->cpu[i]), 0, irq);
+        qdev_connect_gpio_out(DEVICE(&s->apu_cpu[i]), 0, irq);
         irq = qdev_get_gpio_in(DEVICE(&s->gic),
                                arm_gic_ppi_index(i, ARM_VIRT_TIMER_PPI));
-        qdev_connect_gpio_out(DEVICE(&s->cpu[i]), 1, irq);
+        qdev_connect_gpio_out(DEVICE(&s->apu_cpu[i]), 1, irq);
+    }
+
+    for (i = 0; i < XLNX_ZYNQMP_NUM_RPU_CPUS; i++) {
+        char *name;
+
+        name = object_get_canonical_path_component(OBJECT(&s->rpu_cpu[i]));
+        if (strcmp(name, boot_cpu)) {
+            /* Secondary CPUs start in PSCI powered-down state */
+            object_property_set_bool(OBJECT(&s->rpu_cpu[i]), true,
+                                     "start-powered-off", &error_abort);
+        } else {
+            s->boot_cpu_ptr = &s->rpu_cpu[i];
+        }
+
+        object_property_set_bool(OBJECT(&s->rpu_cpu[i]), true, "reset-hivecs",
+                                 &err);
+        if (err != NULL) {
+            error_propagate(errp, err);
+            return;
+        }
+
+        object_property_set_bool(OBJECT(&s->rpu_cpu[i]), true, "realized",
+                                 &err);
+        if (err) {
+            error_propagate((errp), (err));
+            return;
+        }
+    }
+
+    if (!s->boot_cpu_ptr) {
+        error_setg(errp, "ZynqMP Boot cpu %s not found\n", boot_cpu);
+        return;
     }
 
     for (i = 0; i < GIC_NUM_SPI_INTR; i++) {
@@ -188,10 +235,16 @@ static void xlnx_zynqmp_realize(DeviceState *dev, Error **errp)
     }
 }
 
+static Property xlnx_zynqmp_props[] = {
+    DEFINE_PROP_STRING("boot-cpu", XlnxZynqMPState, boot_cpu),
+    DEFINE_PROP_END_OF_LIST()
+};
+
 static void xlnx_zynqmp_class_init(ObjectClass *oc, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(oc);
 
+    dc->props = xlnx_zynqmp_props;
     dc->realize = xlnx_zynqmp_realize;
 }
 
diff --git a/hw/core/sysbus.c b/hw/core/sysbus.c
index b53c351aa4..92eced9424 100644
--- a/hw/core/sysbus.c
+++ b/hw/core/sysbus.c
@@ -281,19 +281,15 @@ static void sysbus_dev_print(Monitor *mon, DeviceState *dev, int indent)
 static char *sysbus_get_fw_dev_path(DeviceState *dev)
 {
     SysBusDevice *s = SYS_BUS_DEVICE(dev);
-    char path[40];
-    int off;
-
-    off = snprintf(path, sizeof(path), "%s", qdev_fw_name(dev));
 
     if (s->num_mmio) {
-        snprintf(path + off, sizeof(path) - off, "@"TARGET_FMT_plx,
-                 s->mmio[0].addr);
-    } else if (s->num_pio) {
-        snprintf(path + off, sizeof(path) - off, "@i%04x", s->pio[0]);
+        return g_strdup_printf("%s@" TARGET_FMT_plx, qdev_fw_name(dev),
+                               s->mmio[0].addr);
     }
-
-    return g_strdup(path);
+    if (s->num_pio) {
+        return g_strdup_printf("%s@i%04x", qdev_fw_name(dev), s->pio[0]);
+    }
+    return g_strdup(qdev_fw_name(dev));
 }
 
 void sysbus_add_io(SysBusDevice *dev, hwaddr addr,
diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
index b68263d231..082cd93bb2 100644
--- a/hw/i386/pc_q35.c
+++ b/hw/i386/pc_q35.c
@@ -403,6 +403,7 @@ DEFINE_Q35_MACHINE(v2_4, "pc-q35-2.4", NULL,
 static void pc_q35_2_3_machine_options(MachineClass *m)
 {
     pc_q35_2_4_machine_options(m);
+    m->no_floppy = 0;
     m->alias = NULL;
     SET_MACHINE_COMPAT(m, PC_COMPAT_2_3);
 }
diff --git a/hw/microblaze/petalogix_ml605_mmu.c b/hw/microblaze/petalogix_ml605_mmu.c
index 48c264b9d7..ed84a37e66 100644
--- a/hw/microblaze/petalogix_ml605_mmu.c
+++ b/hw/microblaze/petalogix_ml605_mmu.c
@@ -64,20 +64,6 @@
 #define SPI_IRQ             4
 #define UART16550_IRQ       5
 
-static void machine_cpu_reset(MicroBlazeCPU *cpu)
-{
-    CPUMBState *env = &cpu->env;
-
-    env->pvr.regs[10] = 0x0e000000; /* virtex 6 */
-    /* setup pvr to match kernel setting */
-    env->pvr.regs[5] |= PVR5_DCACHE_WRITEBACK_MASK;
-    env->pvr.regs[0] |= PVR0_USE_FPU_MASK | PVR0_ENDI;
-    env->pvr.regs[0] = (env->pvr.regs[0] & ~PVR0_VERSION_MASK) | (0x14 << 8);
-    env->pvr.regs[2] ^= PVR2_USE_FPU2_MASK;
-    env->pvr.regs[4] = 0xc56b8000;
-    env->pvr.regs[5] = 0xc56be000;
-}
-
 static void
 petalogix_ml605_init(MachineState *machine)
 {
@@ -95,6 +81,13 @@ petalogix_ml605_init(MachineState *machine)
 
     /* init CPUs */
     cpu = MICROBLAZE_CPU(object_new(TYPE_MICROBLAZE_CPU));
+    /* Use FPU but don't use floating point conversion and square
+     * root instructions
+     */
+    object_property_set_int(OBJECT(cpu), 1, "use-fpu", &error_abort);
+    object_property_set_bool(OBJECT(cpu), true, "dcache-writeback",
+                             &error_abort);
+    object_property_set_bool(OBJECT(cpu), true, "endianness", &error_abort);
     object_property_set_bool(OBJECT(cpu), true, "realized", &error_abort);
 
     /* Attach emulated BRAM through the LMB.  */
@@ -201,10 +194,15 @@ petalogix_ml605_init(MachineState *machine)
         }
     }
 
+    /* setup PVR to match kernel settings */
+    cpu->env.pvr.regs[4] = 0xc56b8000;
+    cpu->env.pvr.regs[5] = 0xc56be000;
+    cpu->env.pvr.regs[10] = 0x0e000000; /* virtex 6 */
+
     microblaze_load_kernel(cpu, MEMORY_BASEADDR, ram_size,
                            machine->initrd_filename,
                            BINARY_DEVICE_TREE_FILE,
-                           machine_cpu_reset);
+                           NULL);
 
 }
 
diff --git a/hw/microblaze/petalogix_s3adsp1800_mmu.c b/hw/microblaze/petalogix_s3adsp1800_mmu.c
index 84f6e74653..0c2140c3f8 100644
--- a/hw/microblaze/petalogix_s3adsp1800_mmu.c
+++ b/hw/microblaze/petalogix_s3adsp1800_mmu.c
@@ -51,18 +51,10 @@
 #define ETHLITE_IRQ         1
 #define UARTLITE_IRQ        3
 
-static void machine_cpu_reset(MicroBlazeCPU *cpu)
-{
-    CPUMBState *env = &cpu->env;
-
-    env->pvr.regs[10] = 0x0c000000; /* spartan 3a dsp family.  */
-}
-
 static void
 petalogix_s3adsp1800_init(MachineState *machine)
 {
     ram_addr_t ram_size = machine->ram_size;
-    const char *cpu_model = machine->cpu_model;
     DeviceState *dev;
     MicroBlazeCPU *cpu;
     DriveInfo *dinfo;
@@ -73,11 +65,8 @@ petalogix_s3adsp1800_init(MachineState *machine)
     qemu_irq irq[32];
     MemoryRegion *sysmem = get_system_memory();
 
-    /* init CPUs */
-    if (cpu_model == NULL) {
-        cpu_model = "microblaze";
-    }
-    cpu = cpu_mb_init(cpu_model);
+    cpu = MICROBLAZE_CPU(object_new(TYPE_MICROBLAZE_CPU));
+    object_property_set_bool(OBJECT(cpu), true, "realized", &error_abort);
 
     /* Attach emulated BRAM through the LMB.  */
     memory_region_init_ram(phys_lmb_bram, NULL,
@@ -132,7 +121,7 @@ petalogix_s3adsp1800_init(MachineState *machine)
     microblaze_load_kernel(cpu, ddr_base, ram_size,
                            machine->initrd_filename,
                            BINARY_DEVICE_TREE_FILE,
-                           machine_cpu_reset);
+                           NULL);
 }
 
 static QEMUMachine petalogix_s3adsp1800_machine = {
diff --git a/hw/misc/ivshmem.c b/hw/misc/ivshmem.c
index 5d272c84e9..231c35fdef 100644
--- a/hw/misc/ivshmem.c
+++ b/hw/misc/ivshmem.c
@@ -698,7 +698,6 @@ static void ivshmem_write_config(PCIDevice *pci_dev, uint32_t address,
 				 uint32_t val, int len)
 {
     pci_default_write_config(pci_dev, address, val, len);
-    msix_write_config(pci_dev, address, val, len);
 }
 
 static int pci_ivshmem_init(PCIDevice *dev)
diff --git a/hw/net/vhost_net.c b/hw/net/vhost_net.c
index 1c55517e36..9bd360bd17 100644
--- a/hw/net/vhost_net.c
+++ b/hw/net/vhost_net.c
@@ -38,6 +38,7 @@
 #include "standard-headers/linux/virtio_ring.h"
 #include "hw/virtio/vhost.h"
 #include "hw/virtio/virtio-bus.h"
+#include "hw/virtio/virtio-access.h"
 
 struct vhost_net {
     struct vhost_dev dev;
@@ -162,7 +163,7 @@ struct vhost_net *vhost_net_init(VhostNetOptions *options)
     net->dev.vq_index = net->nc->queue_index;
 
     r = vhost_dev_init(&net->dev, options->opaque,
-                       options->backend_type, options->force);
+                       options->backend_type);
     if (r < 0) {
         goto fail;
     }
@@ -187,14 +188,30 @@ fail:
     return NULL;
 }
 
-bool vhost_net_query(VHostNetState *net, VirtIODevice *dev)
+static void vhost_net_set_vq_index(struct vhost_net *net, int vq_index)
 {
-    return vhost_dev_query(&net->dev, dev);
+    net->dev.vq_index = vq_index;
 }
 
-static void vhost_net_set_vq_index(struct vhost_net *net, int vq_index)
+static int vhost_net_set_vnet_endian(VirtIODevice *dev, NetClientState *peer,
+                                     bool set)
 {
-    net->dev.vq_index = vq_index;
+    int r = 0;
+
+    if (virtio_has_feature(dev, VIRTIO_F_VERSION_1) ||
+        (virtio_legacy_is_cross_endian(dev) && !virtio_is_big_endian(dev))) {
+        r = qemu_set_vnet_le(peer, set);
+        if (r) {
+            error_report("backend does not support LE vnet headers");
+        }
+    } else if (virtio_legacy_is_cross_endian(dev)) {
+        r = qemu_set_vnet_be(peer, set);
+        if (r) {
+            error_report("backend does not support BE vnet headers");
+        }
+    }
+
+    return r;
 }
 
 static int vhost_net_start_one(struct vhost_net *net,
@@ -281,19 +298,6 @@ static void vhost_net_stop_one(struct vhost_net *net,
     vhost_dev_disable_notifiers(&net->dev, dev);
 }
 
-static bool vhost_net_device_endian_ok(VirtIODevice *vdev)
-{
-#ifdef TARGET_IS_BIENDIAN
-#ifdef HOST_WORDS_BIGENDIAN
-    return virtio_is_big_endian(vdev);
-#else
-    return !virtio_is_big_endian(vdev);
-#endif
-#else
-    return true;
-#endif
-}
-
 int vhost_net_start(VirtIODevice *dev, NetClientState *ncs,
                     int total_queues)
 {
@@ -302,15 +306,14 @@ int vhost_net_start(VirtIODevice *dev, NetClientState *ncs,
     VirtioBusClass *k = VIRTIO_BUS_GET_CLASS(vbus);
     int r, e, i;
 
-    if (!vhost_net_device_endian_ok(dev)) {
-        error_report("vhost-net does not support cross-endian");
+    if (!k->set_guest_notifiers) {
+        error_report("binding does not support guest notifiers");
         r = -ENOSYS;
         goto err;
     }
 
-    if (!k->set_guest_notifiers) {
-        error_report("binding does not support guest notifiers");
-        r = -ENOSYS;
+    r = vhost_net_set_vnet_endian(dev, ncs[0].peer, true);
+    if (r < 0) {
         goto err;
     }
 
@@ -321,7 +324,7 @@ int vhost_net_start(VirtIODevice *dev, NetClientState *ncs,
     r = k->set_guest_notifiers(qbus->parent, total_queues * 2, true);
     if (r < 0) {
         error_report("Error binding guest notifier: %d", -r);
-        goto err;
+        goto err_endian;
     }
 
     for (i = 0; i < total_queues; i++) {
@@ -343,6 +346,8 @@ err_start:
         fprintf(stderr, "vhost guest notifier cleanup failed: %d\n", e);
         fflush(stderr);
     }
+err_endian:
+    vhost_net_set_vnet_endian(dev, ncs[0].peer, false);
 err:
     return r;
 }
@@ -365,6 +370,8 @@ void vhost_net_stop(VirtIODevice *dev, NetClientState *ncs,
         fflush(stderr);
     }
     assert(r >= 0);
+
+    assert(vhost_net_set_vnet_endian(dev, ncs[0].peer, false) >= 0);
 }
 
 void vhost_net_cleanup(struct vhost_net *net)
@@ -412,11 +419,6 @@ struct vhost_net *vhost_net_init(VhostNetOptions *options)
     return NULL;
 }
 
-bool vhost_net_query(VHostNetState *net, VirtIODevice *dev)
-{
-    return false;
-}
-
 int vhost_net_start(VirtIODevice *dev,
                     NetClientState *ncs,
                     int total_queues)
diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c
index 9281aa107c..d7282335de 100644
--- a/hw/net/virtio-net.c
+++ b/hw/net/virtio-net.c
@@ -128,10 +128,6 @@ static void virtio_net_vhost_status(VirtIONet *n, uint8_t status)
     if (!n->vhost_started) {
         int r, i;
 
-        if (!vhost_net_query(get_vhost_net(nc->peer), vdev)) {
-            return;
-        }
-
         /* Any packets outstanding? Purge them to avoid touching rings
          * when vhost is running.
          */
diff --git a/hw/net/vmxnet3.c b/hw/net/vmxnet3.c
index 8bcdf3ed77..104a0f599b 100644
--- a/hw/net/vmxnet3.c
+++ b/hw/net/vmxnet3.c
@@ -2477,14 +2477,6 @@ static const VMStateDescription vmstate_vmxnet3 = {
     }
 };
 
-static void
-vmxnet3_write_config(PCIDevice *pci_dev, uint32_t addr, uint32_t val, int len)
-{
-    pci_default_write_config(pci_dev, addr, val, len);
-    msix_write_config(pci_dev, addr, val, len);
-    msi_write_config(pci_dev, addr, val, len);
-}
-
 static Property vmxnet3_properties[] = {
     DEFINE_NIC_PROPERTIES(VMXNET3State, conf),
     DEFINE_PROP_END_OF_LIST(),
@@ -2503,7 +2495,6 @@ static void vmxnet3_class_init(ObjectClass *class, void *data)
     c->class_id = PCI_CLASS_NETWORK_ETHERNET;
     c->subsystem_vendor_id = PCI_VENDOR_ID_VMWARE;
     c->subsystem_id = PCI_DEVICE_ID_VMWARE_VMXNET3;
-    c->config_write = vmxnet3_write_config,
     dc->desc = "VMWare Paravirtualized Ethernet v3";
     dc->reset = vmxnet3_qdev_reset;
     dc->vmsd = &vmstate_vmxnet3;
diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
index 8a565f657a..c574988c36 100644
--- a/hw/s390x/s390-virtio-ccw.c
+++ b/hw/s390x/s390-virtio-ccw.c
@@ -216,6 +216,7 @@ static void ccw_machine_class_init(ObjectClass *oc, void *data)
     mc->no_sdcard = 1;
     mc->use_sclp = 1;
     mc->max_cpus = 255;
+    mc->is_default = 1;
     nc->nmi_monitor_handler = s390_nmi;
 }
 
diff --git a/hw/s390x/s390-virtio.c b/hw/s390x/s390-virtio.c
index 59750dbfcd..00ea793651 100644
--- a/hw/s390x/s390-virtio.c
+++ b/hw/s390x/s390-virtio.c
@@ -345,7 +345,6 @@ static void s390_machine_class_init(ObjectClass *oc, void *data)
     mc->no_floppy = 1;
     mc->no_cdrom = 1;
     mc->no_sdcard = 1;
-    mc->is_default = 1;
     nc->nmi_monitor_handler = s390_nmi;
 }
 
diff --git a/hw/s390x/virtio-ccw.c b/hw/s390x/virtio-ccw.c
index b7a88d6d16..e32ada9bf1 100644
--- a/hw/s390x/virtio-ccw.c
+++ b/hw/s390x/virtio-ccw.c
@@ -1401,6 +1401,10 @@ static void virtio_ccw_device_plugged(DeviceState *d, Error **errp)
         return;
     }
 
+    if (!kvm_eventfds_enabled()) {
+        dev->flags &= ~VIRTIO_CCW_FLAG_USE_IOEVENTFD;
+    }
+
     sch->id.cu_model = virtio_bus_get_vdev_id(&dev->bus);
 
     css_generate_sch_crws(sch->cssid, sch->ssid, sch->schid,
diff --git a/hw/scsi/megasas.c b/hw/scsi/megasas.c
index 91a5d97c73..51ba9e0e6e 100644
--- a/hw/scsi/megasas.c
+++ b/hw/scsi/megasas.c
@@ -2407,13 +2407,6 @@ static void megasas_scsi_realize(PCIDevice *dev, Error **errp)
     }
 }
 
-static void
-megasas_write_config(PCIDevice *pci, uint32_t addr, uint32_t val, int len)
-{
-    pci_default_write_config(pci, addr, val, len);
-    msi_write_config(pci, addr, val, len);
-}
-
 static Property megasas_properties_gen1[] = {
     DEFINE_PROP_UINT32("max_sge", MegasasState, fw_sge,
                        MEGASAS_DEFAULT_SGE),
@@ -2516,7 +2509,6 @@ static void megasas_class_init(ObjectClass *oc, void *data)
     dc->vmsd = info->vmsd;
     set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
     dc->desc = info->desc;
-    pc->config_write = megasas_write_config;
 }
 
 static const TypeInfo megasas_info = {
diff --git a/hw/scsi/vhost-scsi.c b/hw/scsi/vhost-scsi.c
index 1941aa15c0..1c389c4d7e 100644
--- a/hw/scsi/vhost-scsi.c
+++ b/hw/scsi/vhost-scsi.c
@@ -246,7 +246,7 @@ static void vhost_scsi_realize(DeviceState *dev, Error **errp)
     s->dev.backend_features = 0;
 
     ret = vhost_dev_init(&s->dev, (void *)(uintptr_t)vhostfd,
-                         VHOST_BACKEND_TYPE_KERNEL, true);
+                         VHOST_BACKEND_TYPE_KERNEL);
     if (ret < 0) {
         error_setg(errp, "vhost-scsi: vhost initialization failed: %s",
                    strerror(-ret));
diff --git a/hw/scsi/vmw_pvscsi.c b/hw/scsi/vmw_pvscsi.c
index c6148d380e..9c71f31fe2 100644
--- a/hw/scsi/vmw_pvscsi.c
+++ b/hw/scsi/vmw_pvscsi.c
@@ -1174,13 +1174,6 @@ static const VMStateDescription vmstate_pvscsi = {
     }
 };
 
-static void
-pvscsi_write_config(PCIDevice *pci, uint32_t addr, uint32_t val, int len)
-{
-    pci_default_write_config(pci, addr, val, len);
-    msi_write_config(pci, addr, val, len);
-}
-
 static Property pvscsi_properties[] = {
     DEFINE_PROP_UINT8("use_msg", PVSCSIState, use_msg, 1),
     DEFINE_PROP_END_OF_LIST(),
@@ -1202,7 +1195,6 @@ static void pvscsi_class_init(ObjectClass *klass, void *data)
     dc->vmsd = &vmstate_pvscsi;
     dc->props = pvscsi_properties;
     set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
-    k->config_write = pvscsi_write_config;
     hc->unplug = pvscsi_hot_unplug;
     hc->plug = pvscsi_hotplug;
 }
diff --git a/hw/vfio/platform.c b/hw/vfio/platform.c
index 9382bb7f36..5c678b914e 100644
--- a/hw/vfio/platform.c
+++ b/hw/vfio/platform.c
@@ -14,8 +14,8 @@
  *  Copyright Red Hat, Inc. 2012
  */
 
-#include <linux/vfio.h>
 #include <sys/ioctl.h>
+#include <linux/vfio.h>
 
 #include "hw/vfio/vfio-platform.h"
 #include "qemu/error-report.h"
diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c
index 2d6c27af8d..a6dcc79399 100644
--- a/hw/virtio/vhost.c
+++ b/hw/virtio/vhost.c
@@ -17,9 +17,11 @@
 #include "hw/hw.h"
 #include "qemu/atomic.h"
 #include "qemu/range.h"
+#include "qemu/error-report.h"
 #include <linux/vhost.h>
 #include "exec/address-spaces.h"
 #include "hw/virtio/virtio-bus.h"
+#include "hw/virtio/virtio-access.h"
 #include "migration/migration.h"
 
 static struct vhost_log *vhost_log;
@@ -689,6 +691,27 @@ static void vhost_log_stop(MemoryListener *listener,
     /* FIXME: implement */
 }
 
+static int vhost_virtqueue_set_vring_endian_legacy(struct vhost_dev *dev,
+                                                   bool is_big_endian,
+                                                   int vhost_vq_index)
+{
+    struct vhost_vring_state s = {
+        .index = vhost_vq_index,
+        .num = is_big_endian
+    };
+
+    if (!dev->vhost_ops->vhost_call(dev, VHOST_SET_VRING_ENDIAN, &s)) {
+        return 0;
+    }
+
+    if (errno == ENOTTY) {
+        error_report("vhost does not support cross-endian");
+        return -ENOSYS;
+    }
+
+    return -errno;
+}
+
 static int vhost_virtqueue_start(struct vhost_dev *dev,
                                 struct VirtIODevice *vdev,
                                 struct vhost_virtqueue *vq,
@@ -719,6 +742,16 @@ static int vhost_virtqueue_start(struct vhost_dev *dev,
         return -errno;
     }
 
+    if (!virtio_has_feature(vdev, VIRTIO_F_VERSION_1) &&
+        virtio_legacy_is_cross_endian(vdev)) {
+        r = vhost_virtqueue_set_vring_endian_legacy(dev,
+                                                    virtio_is_big_endian(vdev),
+                                                    vhost_vq_index);
+        if (r) {
+            return -errno;
+        }
+    }
+
     s = l = virtio_queue_get_desc_size(vdev, idx);
     a = virtio_queue_get_desc_addr(vdev, idx);
     vq->desc = cpu_physical_memory_map(a, &l, 0);
@@ -789,8 +822,9 @@ static void vhost_virtqueue_stop(struct vhost_dev *dev,
                                     struct vhost_virtqueue *vq,
                                     unsigned idx)
 {
+    int vhost_vq_index = idx - dev->vq_index;
     struct vhost_vring_state state = {
-        .index = idx - dev->vq_index
+        .index = vhost_vq_index,
     };
     int r;
     assert(idx >= dev->vq_index && idx < dev->vq_index + dev->nvqs);
@@ -801,6 +835,20 @@ static void vhost_virtqueue_stop(struct vhost_dev *dev,
     }
     virtio_queue_set_last_avail_idx(vdev, idx, state.num);
     virtio_queue_invalidate_signalled_used(vdev, idx);
+
+    /* In the cross-endian case, we need to reset the vring endianness to
+     * native as legacy devices expect so by default.
+     */
+    if (!virtio_has_feature(vdev, VIRTIO_F_VERSION_1) &&
+        virtio_legacy_is_cross_endian(vdev)) {
+        r = vhost_virtqueue_set_vring_endian_legacy(dev,
+                                                    !virtio_is_big_endian(vdev),
+                                                    vhost_vq_index);
+        if (r < 0) {
+            error_report("failed to reset vring endianness");
+        }
+    }
+
     assert (r >= 0);
     cpu_physical_memory_unmap(vq->ring, virtio_queue_get_ring_size(vdev, idx),
                               0, virtio_queue_get_ring_size(vdev, idx));
@@ -853,7 +901,7 @@ static void vhost_virtqueue_cleanup(struct vhost_virtqueue *vq)
 }
 
 int vhost_dev_init(struct vhost_dev *hdev, void *opaque,
-                   VhostBackendType backend_type, bool force)
+                   VhostBackendType backend_type)
 {
     uint64_t features;
     int i, r;
@@ -916,7 +964,6 @@ int vhost_dev_init(struct vhost_dev *hdev, void *opaque,
     hdev->started = false;
     hdev->memory_changed = false;
     memory_listener_register(&hdev->memory_listener, &address_space_memory);
-    hdev->force = force;
     return 0;
 fail_vq:
     while (--i >= 0) {
@@ -944,17 +991,6 @@ void vhost_dev_cleanup(struct vhost_dev *hdev)
     hdev->vhost_ops->vhost_backend_cleanup(hdev);
 }
 
-bool vhost_dev_query(struct vhost_dev *hdev, VirtIODevice *vdev)
-{
-    BusState *qbus = BUS(qdev_get_parent_bus(DEVICE(vdev)));
-    VirtioBusState *vbus = VIRTIO_BUS(qbus);
-    VirtioBusClass *k = VIRTIO_BUS_GET_CLASS(vbus);
-
-    return !k->query_guest_notifiers ||
-           k->query_guest_notifiers(qbus->parent) ||
-           hdev->force;
-}
-
 /* Stop processing guest IO notifications in qemu.
  * Start processing them in vhost in kernel.
  */