mirror of https://github.com/xemu-project/xemu.git
hw/misc/pvpanic: add PCI interface support
Add PCI interface support for PVPANIC device. Create a new file pvpanic-pci.c where the PCI specific routines reside and update the build system with the new files and config structure. Signed-off-by: Mihai Carabas <mihai.carabas@oracle.com> Reviewed-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Mihai Carabas <mihai.carabas@oracle.com> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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@ -64,6 +64,7 @@ PCI devices (other than virtio):
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1b36:000d PCI xhci usb host adapter
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1b36:000f mdpy (mdev sample device), linux/samples/vfio-mdev/mdpy.c
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1b36:0010 PCIe NVMe device (-device nvme)
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1b36:0011 PCI PVPanic device (-device pvpanic-pci)
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All these devices are documented in docs/specs.
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@ -124,6 +124,12 @@ config IOTKIT_SYSINFO
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config PVPANIC_COMMON
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bool
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config PVPANIC_PCI
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bool
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default y if PCI_DEVICES
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depends on PCI
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select PVPANIC_COMMON
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config PVPANIC_ISA
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bool
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depends on ISA_BUS
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@ -100,6 +100,7 @@ softmmu_ss.add(when: 'CONFIG_ARMSSE_CPUID', if_true: files('armsse-cpuid.c'))
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softmmu_ss.add(when: 'CONFIG_ARMSSE_MHU', if_true: files('armsse-mhu.c'))
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softmmu_ss.add(when: 'CONFIG_PVPANIC_ISA', if_true: files('pvpanic-isa.c'))
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softmmu_ss.add(when: 'CONFIG_PVPANIC_PCI', if_true: files('pvpanic-pci.c'))
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softmmu_ss.add(when: 'CONFIG_AUX', if_true: files('auxbus.c'))
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softmmu_ss.add(when: 'CONFIG_ASPEED_SOC', if_true: files('aspeed_scu.c', 'aspeed_sdmc.c', 'aspeed_xdma.c'))
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softmmu_ss.add(when: 'CONFIG_MSF2', if_true: files('msf2-sysreg.c'))
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@ -0,0 +1,94 @@
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/*
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* QEMU simulated PCI pvpanic device.
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*
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* Copyright (C) 2020 Oracle
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*
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* Authors:
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* Mihai Carabas <mihai.carabas@oracle.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*
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*/
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#include "qemu/osdep.h"
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#include "qemu/log.h"
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#include "qemu/module.h"
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#include "sysemu/runstate.h"
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#include "hw/nvram/fw_cfg.h"
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#include "hw/qdev-properties.h"
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#include "migration/vmstate.h"
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#include "hw/misc/pvpanic.h"
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#include "qom/object.h"
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#include "hw/pci/pci.h"
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OBJECT_DECLARE_SIMPLE_TYPE(PVPanicPCIState, PVPANIC_PCI_DEVICE)
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/*
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* PVPanicPCIState for PCI device
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*/
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typedef struct PVPanicPCIState {
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PCIDevice dev;
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PVPanicState pvpanic;
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} PVPanicPCIState;
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static const VMStateDescription vmstate_pvpanic_pci = {
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.name = "pvpanic-pci",
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.version_id = 1,
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.minimum_version_id = 1,
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.fields = (VMStateField[]) {
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VMSTATE_PCI_DEVICE(dev, PVPanicPCIState),
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VMSTATE_END_OF_LIST()
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}
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};
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static void pvpanic_pci_realizefn(PCIDevice *dev, Error **errp)
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{
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PVPanicPCIState *s = PVPANIC_PCI_DEVICE(dev);
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PVPanicState *ps = &s->pvpanic;
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pvpanic_setup_io(&s->pvpanic, DEVICE(s), 2);
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pci_register_bar(dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, &ps->mr);
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}
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static Property pvpanic_pci_properties[] = {
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DEFINE_PROP_UINT8("events", PVPanicPCIState, pvpanic.events, PVPANIC_PANICKED | PVPANIC_CRASHLOADED),
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DEFINE_PROP_END_OF_LIST(),
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};
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static void pvpanic_pci_class_init(ObjectClass *klass, void *data)
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{
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DeviceClass *dc = DEVICE_CLASS(klass);
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PCIDeviceClass *pc = PCI_DEVICE_CLASS(klass);
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device_class_set_props(dc, pvpanic_pci_properties);
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pc->realize = pvpanic_pci_realizefn;
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pc->vendor_id = PCI_VENDOR_ID_REDHAT;
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pc->device_id = PCI_DEVICE_ID_REDHAT_PVPANIC;
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pc->revision = 1;
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pc->class_id = PCI_CLASS_SYSTEM_OTHER;
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dc->vmsd = &vmstate_pvpanic_pci;
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set_bit(DEVICE_CATEGORY_MISC, dc->categories);
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}
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static TypeInfo pvpanic_pci_info = {
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.name = TYPE_PVPANIC_PCI_DEVICE,
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.parent = TYPE_PCI_DEVICE,
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.instance_size = sizeof(PVPanicPCIState),
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.class_init = pvpanic_pci_class_init,
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.interfaces = (InterfaceInfo[]) {
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{ INTERFACE_CONVENTIONAL_PCI_DEVICE },
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{ }
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}
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};
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static void pvpanic_register_types(void)
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{
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type_register_static(&pvpanic_pci_info);
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}
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type_init(pvpanic_register_types);
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@ -18,6 +18,7 @@
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#include "qom/object.h"
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#define TYPE_PVPANIC_ISA_DEVICE "pvpanic"
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#define TYPE_PVPANIC_PCI_DEVICE "pvpanic-pci"
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#define PVPANIC_IOPORT_PROP "ioport"
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@ -107,6 +107,7 @@ extern bool pci_available;
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#define PCI_DEVICE_ID_REDHAT_PCIE_BRIDGE 0x000e
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#define PCI_DEVICE_ID_REDHAT_MDPY 0x000f
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#define PCI_DEVICE_ID_REDHAT_NVME 0x0010
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#define PCI_DEVICE_ID_REDHAT_PVPANIC 0x0011
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#define PCI_DEVICE_ID_REDHAT_QXL 0x0100
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#define FMT_PCIBUS PRIx64
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