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[Qemu-devel] [PULL 16/45] hw/misc: Hyper-V test device 'hyperv-testdev'
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PULL 16/45] hw/misc: Hyper-V test device 'hyperv-testdev' |
Date: |
Thu, 17 Dec 2015 18:46:12 +0100 |
From: Andrey Smetanin <address@hidden>
'hyperv-testdev' will be used by kvm-unit-tests
to setup Hyper-V SynIC SINT's routing and to inject
Hyper-V SynIC SINT's.
Hyper-V test device is ISA type device that creates 0x3000
IO memory region and catches write access into it. Every
write operation data decoded into ctl code and parameters
for Hyper-V test device.
Signed-off-by: Andrey Smetanin <address@hidden>
Reviewed-by: Roman Kagan <address@hidden>
Signed-off-by: Denis V. Lunev <address@hidden>
CC: Paolo Bonzini <address@hidden>
CC: Richard Henderson <address@hidden>
CC: Eduardo Habkost <address@hidden>
CC: "Andreas Färber" <address@hidden>
CC: Marcelo Tosatti <address@hidden>
CC: Roman Kagan <address@hidden>
CC: Denis V. Lunev <address@hidden>
CC: address@hidden
Signed-off-by: Paolo Bonzini <address@hidden>
---
default-configs/i386-softmmu.mak | 1 +
default-configs/x86_64-softmmu.mak | 1 +
hw/misc/Makefile.objs | 1 +
hw/misc/hyperv_testdev.c | 167 +++++++++++++++++++++++++++++++++++++
4 files changed, 170 insertions(+)
create mode 100644 hw/misc/hyperv_testdev.c
diff --git a/default-configs/i386-softmmu.mak b/default-configs/i386-softmmu.mak
index 43c96d1..57ccff3 100644
--- a/default-configs/i386-softmmu.mak
+++ b/default-configs/i386-softmmu.mak
@@ -50,3 +50,4 @@ CONFIG_XIO3130=y
CONFIG_IOH3420=y
CONFIG_I82801B11=y
CONFIG_SMBIOS=y
+CONFIG_HYPERV_TESTDEV=$(CONFIG_KVM)
diff --git a/default-configs/x86_64-softmmu.mak
b/default-configs/x86_64-softmmu.mak
index dfb8095..30f5e75 100644
--- a/default-configs/x86_64-softmmu.mak
+++ b/default-configs/x86_64-softmmu.mak
@@ -50,3 +50,4 @@ CONFIG_XIO3130=y
CONFIG_IOH3420=y
CONFIG_I82801B11=y
CONFIG_SMBIOS=y
+CONFIG_HYPERV_TESTDEV=$(CONFIG_KVM)
diff --git a/hw/misc/Makefile.objs b/hw/misc/Makefile.objs
index 8a235df..d4765c2 100644
--- a/hw/misc/Makefile.objs
+++ b/hw/misc/Makefile.objs
@@ -43,3 +43,4 @@ obj-$(CONFIG_STM32F2XX_SYSCFG) += stm32f2xx_syscfg.o
obj-$(CONFIG_PVPANIC) += pvpanic.o
obj-$(CONFIG_EDU) += edu.o
+obj-$(CONFIG_HYPERV_TESTDEV) += hyperv_testdev.o
diff --git a/hw/misc/hyperv_testdev.c b/hw/misc/hyperv_testdev.c
new file mode 100644
index 0000000..d88844a
--- /dev/null
+++ b/hw/misc/hyperv_testdev.c
@@ -0,0 +1,167 @@
+/*
+ * QEMU KVM Hyper-V test device to support Hyper-V kvm-unit-tests
+ *
+ * Copyright (C) 2015 Andrey Smetanin <address@hidden>
+ *
+ * Authors:
+ * Andrey Smetanin <address@hidden>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ *
+ */
+
+#include "hw/hw.h"
+#include "hw/qdev.h"
+#include "hw/isa/isa.h"
+#include "sysemu/kvm.h"
+#include "linux/kvm.h"
+#include "target-i386/hyperv.h"
+#include "kvm_i386.h"
+
+#define HV_TEST_DEV_MAX_SINT_ROUTES 64
+
+struct HypervTestDev {
+ ISADevice parent_obj;
+ MemoryRegion sint_control;
+ HvSintRoute *sint_route[HV_TEST_DEV_MAX_SINT_ROUTES];
+};
+typedef struct HypervTestDev HypervTestDev;
+
+#define TYPE_HYPERV_TEST_DEV "hyperv-testdev"
+#define HYPERV_TEST_DEV(obj) \
+ OBJECT_CHECK(HypervTestDev, (obj), TYPE_HYPERV_TEST_DEV)
+
+enum {
+ HV_TEST_DEV_SINT_ROUTE_CREATE = 1,
+ HV_TEST_DEV_SINT_ROUTE_DESTROY,
+ HV_TEST_DEV_SINT_ROUTE_SET_SINT
+};
+
+static int alloc_sint_route_index(HypervTestDev *dev)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(dev->sint_route); i++) {
+ if (dev->sint_route[i] == NULL) {
+ return i;
+ }
+ }
+ return -1;
+}
+
+static void free_sint_route_index(HypervTestDev *dev, int i)
+{
+ assert(i >= 0 && i < ARRAY_SIZE(dev->sint_route));
+ dev->sint_route[i] = NULL;
+}
+
+static int find_sint_route_index(HypervTestDev *dev, uint32_t vcpu_id,
+ uint32_t sint)
+{
+ HvSintRoute *sint_route;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(dev->sint_route); i++) {
+ sint_route = dev->sint_route[i];
+ if (sint_route && sint_route->vcpu_id == vcpu_id &&
+ sint_route->sint == sint) {
+ return i;
+ }
+ }
+ return -1;
+}
+
+static void hv_synic_test_dev_control(HypervTestDev *dev, uint32_t ctl,
+ uint32_t vcpu_id, uint32_t sint)
+{
+ int i;
+ HvSintRoute *sint_route;
+
+ switch (ctl) {
+ case HV_TEST_DEV_SINT_ROUTE_CREATE:
+ i = alloc_sint_route_index(dev);
+ assert(i >= 0);
+ sint_route = kvm_hv_sint_route_create(vcpu_id, sint, NULL);
+ assert(sint_route);
+ dev->sint_route[i] = sint_route;
+ break;
+ case HV_TEST_DEV_SINT_ROUTE_DESTROY:
+ i = find_sint_route_index(dev, vcpu_id, sint);
+ assert(i >= 0);
+ sint_route = dev->sint_route[i];
+ kvm_hv_sint_route_destroy(sint_route);
+ free_sint_route_index(dev, i);
+ break;
+ case HV_TEST_DEV_SINT_ROUTE_SET_SINT:
+ i = find_sint_route_index(dev, vcpu_id, sint);
+ assert(i >= 0);
+ sint_route = dev->sint_route[i];
+ kvm_hv_sint_route_set_sint(sint_route);
+ break;
+ default:
+ break;
+ }
+}
+
+static void hv_test_dev_control(void *opaque, hwaddr addr, uint64_t data,
+ uint32_t len)
+{
+ HypervTestDev *dev = HYPERV_TEST_DEV(opaque);
+ uint8_t ctl;
+
+ ctl = (data >> 16ULL) & 0xFF;
+ switch (ctl) {
+ case HV_TEST_DEV_SINT_ROUTE_CREATE:
+ case HV_TEST_DEV_SINT_ROUTE_DESTROY:
+ case HV_TEST_DEV_SINT_ROUTE_SET_SINT: {
+ uint8_t sint = data & 0xFF;
+ uint8_t vcpu_id = (data >> 8ULL) & 0xFF;
+ hv_synic_test_dev_control(dev, ctl, vcpu_id, sint);
+ break;
+ }
+ default:
+ break;
+ }
+}
+
+static const MemoryRegionOps synic_test_sint_ops = {
+ .write = hv_test_dev_control,
+ .valid.min_access_size = 4,
+ .valid.max_access_size = 4,
+ .endianness = DEVICE_LITTLE_ENDIAN,
+};
+
+static void hv_test_dev_realizefn(DeviceState *d, Error **errp)
+{
+ ISADevice *isa = ISA_DEVICE(d);
+ HypervTestDev *dev = HYPERV_TEST_DEV(d);
+ MemoryRegion *io = isa_address_space_io(isa);
+
+ memset(dev->sint_route, 0, sizeof(dev->sint_route));
+ memory_region_init_io(&dev->sint_control, OBJECT(dev),
+ &synic_test_sint_ops, dev,
+ "hyperv-testdev-ctl", 4);
+ memory_region_add_subregion(io, 0x3000, &dev->sint_control);
+}
+
+static void hv_test_dev_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+
+ set_bit(DEVICE_CATEGORY_MISC, dc->categories);
+ dc->realize = hv_test_dev_realizefn;
+}
+
+static const TypeInfo hv_test_dev_info = {
+ .name = TYPE_HYPERV_TEST_DEV,
+ .parent = TYPE_ISA_DEVICE,
+ .instance_size = sizeof(HypervTestDev),
+ .class_init = hv_test_dev_class_init,
+};
+
+static void hv_test_dev_register_types(void)
+{
+ type_register_static(&hv_test_dev_info);
+}
+type_init(hv_test_dev_register_types);
--
2.5.0
- [Qemu-devel] [PULL 06/45] vmw_pvscsi: Set device subsystem and revision, (continued)
- [Qemu-devel] [PULL 06/45] vmw_pvscsi: Set device subsystem and revision, Paolo Bonzini, 2015/12/17
- [Qemu-devel] [PULL 09/45] vmw_pvscsi: coding: Introduce PVSCSIClass, Paolo Bonzini, 2015/12/17
- [Qemu-devel] [PULL 07/45] vmw_pvscsi: Change offset of msi pci capability, Paolo Bonzini, 2015/12/17
- [Qemu-devel] [PULL 10/45] vmw_pvscsi: The pvscsi device is a PCIE endpoint, Paolo Bonzini, 2015/12/17
- [Qemu-devel] [PULL 11/45] vmw_pvscsi: Introduce 'x-disable-pcie' backword compatability property, Paolo Bonzini, 2015/12/17
- [Qemu-devel] [PULL 14/45] kvm: Hyper-V SynIC irq routing support, Paolo Bonzini, 2015/12/17
- [Qemu-devel] [PULL 13/45] target-i386/kvm: Hyper-V SynIC MSR's support, Paolo Bonzini, 2015/12/17
- [Qemu-devel] [PULL 15/45] target-i386/hyperv: Hyper-V SynIC SINT routing and vcpu exit, Paolo Bonzini, 2015/12/17
- [Qemu-devel] [PULL 12/45] linux-headers: update from kvm/next, Paolo Bonzini, 2015/12/17
- [Qemu-devel] [PULL 16/45] hw/misc: Hyper-V test device 'hyperv-testdev',
Paolo Bonzini <=
- [Qemu-devel] [PULL 18/45] kvm: add support for -machine kernel_irqchip=split, Paolo Bonzini, 2015/12/17
- [Qemu-devel] [PULL 17/45] target-i386/kvm: Hyper-V SynIC timers MSR's support, Paolo Bonzini, 2015/12/17
- [Qemu-devel] [PULL 20/45] qemu-char: append opt to stop truncation of serial file, Paolo Bonzini, 2015/12/17
- [Qemu-devel] [PULL 19/45] kvm: x86: add support for KVM_CAP_SPLIT_IRQCHIP, Paolo Bonzini, 2015/12/17
- [Qemu-devel] [PULL 23/45] cris: avoid "naked" qemu_log, Paolo Bonzini, 2015/12/17
- [Qemu-devel] [PULL 22/45] alpha: convert "naked" qemu_log to tracepoint, Paolo Bonzini, 2015/12/17
- [Qemu-devel] [PULL 24/45] microblaze: avoid "naked" qemu_log, Paolo Bonzini, 2015/12/17
- [Qemu-devel] [PULL 21/45] qemu-log: introduce qemu_log_separate, Paolo Bonzini, 2015/12/17
- [Qemu-devel] [PULL 27/45] tricore: avoid "naked" qemu_log, Paolo Bonzini, 2015/12/17
- [Qemu-devel] [PULL 25/45] s390x: avoid "naked" qemu_log, Paolo Bonzini, 2015/12/17