Adding upstream version 1:7.2+dfsg.upstream/1%7.2+dfsgupstream

Signed-off-by: Daniel Baumann <mail@daniel-baumann.ch>

1 files changed, 177 insertions, 0 deletions

diff --git a/hw/ipmi/isa_ipmi_bt.c b/hw/ipmi/isa_ipmi_bt.c
new file mode 100644
index 00000000..a83e7243
--- /dev/null
+++ b/hw/ipmi/isa_ipmi_bt.c
@@ -0,0 +1,177 @@
+/*
+ * QEMU ISA IPMI BT emulation
+ *
+ * Copyright (c) 2015 Corey Minyard, MontaVista Software, LLC
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "qemu/osdep.h"
+#include "qemu/module.h"
+#include "qapi/error.h"
+#include "hw/irq.h"
+#include "hw/ipmi/ipmi_bt.h"
+#include "hw/isa/isa.h"
+#include "hw/qdev-properties.h"
+#include "migration/vmstate.h"
+#include "qom/object.h"
+#include "hw/acpi/ipmi.h"
+
+#define TYPE_ISA_IPMI_BT "isa-ipmi-bt"
+OBJECT_DECLARE_SIMPLE_TYPE(ISAIPMIBTDevice, ISA_IPMI_BT)
+
+struct ISAIPMIBTDevice {
+    ISADevice dev;
+    int32_t isairq;
+    qemu_irq irq;
+    IPMIBT bt;
+    uint32_t uuid;
+};
+
+static void isa_ipmi_bt_get_fwinfo(struct IPMIInterface *ii, IPMIFwInfo *info)
+{
+    ISAIPMIBTDevice *iib = ISA_IPMI_BT(ii);
+
+    ipmi_bt_get_fwinfo(&iib->bt, info);
+    info->interrupt_number = iib->isairq;
+    info->i2c_slave_address = iib->bt.bmc->slave_addr;
+    info->uuid = iib->uuid;
+}
+
+static void isa_ipmi_bt_raise_irq(IPMIBT *ib)
+{
+    ISAIPMIBTDevice *iib = ib->opaque;
+
+    qemu_irq_raise(iib->irq);
+}
+
+static void isa_ipmi_bt_lower_irq(IPMIBT *ib)
+{
+    ISAIPMIBTDevice *iib = ib->opaque;
+
+    qemu_irq_lower(iib->irq);
+}
+
+static void isa_ipmi_bt_realize(DeviceState *dev, Error **errp)
+{
+    Error *err = NULL;
+    ISADevice *isadev = ISA_DEVICE(dev);
+    ISAIPMIBTDevice *iib = ISA_IPMI_BT(dev);
+    IPMIInterface *ii = IPMI_INTERFACE(dev);
+    IPMIInterfaceClass *iic = IPMI_INTERFACE_GET_CLASS(ii);
+
+    if (!iib->bt.bmc) {
+        error_setg(errp, "IPMI device requires a bmc attribute to be set");
+        return;
+    }
+
+    iib->uuid = ipmi_next_uuid();
+
+    iib->bt.bmc->intf = ii;
+    iib->bt.opaque = iib;
+
+    iic->init(ii, 0, &err);
+    if (err) {
+        error_propagate(errp, err);
+        return;
+    }
+
+    if (iib->isairq > 0) {
+        iib->irq = isa_get_irq(isadev, iib->isairq);
+        iib->bt.use_irq = 1;
+        iib->bt.raise_irq = isa_ipmi_bt_raise_irq;
+        iib->bt.lower_irq = isa_ipmi_bt_lower_irq;
+    }
+
+    qdev_set_legacy_instance_id(dev, iib->bt.io_base, iib->bt.io_length);
+
+    isa_register_ioport(isadev, &iib->bt.io, iib->bt.io_base);
+}
+
+static const VMStateDescription vmstate_ISAIPMIBTDevice = {
+    .name = TYPE_IPMI_INTERFACE_PREFIX "isa-bt",
+    .version_id = 2,
+    .minimum_version_id = 2,
+    /*
+     * Version 1 had messed up the array transfer, it's not even usable
+     * because it used VMSTATE_VBUFFER_UINT32, but it did not transfer
+     * the buffer length, so random things would happen.
+     */
+    .fields      = (VMStateField[]) {
+        VMSTATE_STRUCT(bt, ISAIPMIBTDevice, 1, vmstate_IPMIBT, IPMIBT),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
+static void isa_ipmi_bt_init(Object *obj)
+{
+    ISAIPMIBTDevice *iib = ISA_IPMI_BT(obj);
+
+    ipmi_bmc_find_and_link(obj, (Object **) &iib->bt.bmc);
+
+    vmstate_register(NULL, 0, &vmstate_ISAIPMIBTDevice, iib);
+}
+
+static void *isa_ipmi_bt_get_backend_data(IPMIInterface *ii)
+{
+    ISAIPMIBTDevice *iib = ISA_IPMI_BT(ii);
+
+    return &iib->bt;
+}
+
+static Property ipmi_isa_properties[] = {
+    DEFINE_PROP_UINT32("ioport", ISAIPMIBTDevice, bt.io_base,  0xe4),
+    DEFINE_PROP_INT32("irq",   ISAIPMIBTDevice, isairq,  5),
+    DEFINE_PROP_END_OF_LIST(),
+};
+
+static void isa_ipmi_bt_class_init(ObjectClass *oc, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(oc);
+    IPMIInterfaceClass *iic = IPMI_INTERFACE_CLASS(oc);
+    AcpiDevAmlIfClass *adevc = ACPI_DEV_AML_IF_CLASS(oc);
+
+    dc->realize = isa_ipmi_bt_realize;
+    device_class_set_props(dc, ipmi_isa_properties);
+
+    iic->get_backend_data = isa_ipmi_bt_get_backend_data;
+    ipmi_bt_class_init(iic);
+    iic->get_fwinfo = isa_ipmi_bt_get_fwinfo;
+    adevc->build_dev_aml = build_ipmi_dev_aml;
+}
+
+static const TypeInfo isa_ipmi_bt_info = {
+    .name          = TYPE_ISA_IPMI_BT,
+    .parent        = TYPE_ISA_DEVICE,
+    .instance_size = sizeof(ISAIPMIBTDevice),
+    .instance_init = isa_ipmi_bt_init,
+    .class_init    = isa_ipmi_bt_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { TYPE_IPMI_INTERFACE },
+        { TYPE_ACPI_DEV_AML_IF },
+        { }
+    }
+};
+
+static void ipmi_register_types(void)
+{
+    type_register_static(&isa_ipmi_bt_info);
+}
+
+type_init(ipmi_register_types)