diff options
| -rw-r--r-- | hw/intc/Makefile.objs | 1 | ||||
| -rw-r--r-- | hw/intc/intc.c | 41 | ||||
| -rw-r--r-- | include/hw/intc/intc.h | 33 |
3 files changed, 75 insertions, 0 deletions
diff --git a/hw/intc/Makefile.objs b/hw/intc/Makefile.objs index 05ec21b21e..f24c837118 100644 --- a/hw/intc/Makefile.objs +++ b/hw/intc/Makefile.objs @@ -17,6 +17,7 @@ common-obj-$(CONFIG_ARM_GIC) += arm_gicv3.o common-obj-$(CONFIG_ARM_GIC) += arm_gicv3_dist.o common-obj-$(CONFIG_ARM_GIC) += arm_gicv3_redist.o common-obj-$(CONFIG_OPENPIC) += openpic.o +common-obj-y += intc.o obj-$(CONFIG_APIC) += apic.o apic_common.o obj-$(CONFIG_ARM_GIC_KVM) += arm_gic_kvm.o diff --git a/hw/intc/intc.c b/hw/intc/intc.c new file mode 100644 index 0000000000..2e1e29e753 --- /dev/null +++ b/hw/intc/intc.c @@ -0,0 +1,41 @@ +/* + * QEMU Generic Interrupt Controller + * + * Copyright (c) 2016 Hervé Poussineau + * + * 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 "hw/intc/intc.h" +#include "qemu/module.h" + +static const TypeInfo intctrl_info = { + .name = TYPE_INTERRUPT_STATS_PROVIDER, + .parent = TYPE_INTERFACE, + .class_size = sizeof(InterruptStatsProviderClass), +}; + +static void intc_register_types(void) +{ + type_register_static(&intctrl_info); +} + +type_init(intc_register_types) + diff --git a/include/hw/intc/intc.h b/include/hw/intc/intc.h new file mode 100644 index 0000000000..27d9828943 --- /dev/null +++ b/include/hw/intc/intc.h @@ -0,0 +1,33 @@ +#ifndef INTC_H +#define INTC_H + +#include "qom/object.h" + +#define TYPE_INTERRUPT_STATS_PROVIDER "intctrl" + +#define INTERRUPT_STATS_PROVIDER_CLASS(klass) \ + OBJECT_CLASS_CHECK(InterruptStatsProviderClass, (klass), \ + TYPE_INTERRUPT_STATS_PROVIDER) +#define INTERRUPT_STATS_PROVIDER_GET_CLASS(obj) \ + OBJECT_GET_CLASS(InterruptStatsProviderClass, (obj), \ + TYPE_INTERRUPT_STATS_PROVIDER) +#define INTERRUPT_STATS_PROVIDER(obj) \ + INTERFACE_CHECK(InterruptStatsProvider, (obj), \ + TYPE_INTERRUPT_STATS_PROVIDER) + +typedef struct InterruptStatsProvider { + Object parent; +} InterruptStatsProvider; + +typedef struct InterruptStatsProviderClass { + InterfaceClass parent; + + /* The returned pointer and statistics must remain valid until + * the BQL is next dropped. + */ + bool (*get_statistics)(InterruptStatsProvider *obj, uint64_t **irq_counts, + unsigned int *nb_irqs); + void (*print_info)(InterruptStatsProvider *obj, Monitor *mon); +} InterruptStatsProviderClass; + +#endif |