diff options
author | Peter Maydell <peter.maydell@linaro.org> | 2014-08-28 16:07:23 +0100 |
---|---|---|
committer | Peter Maydell <peter.maydell@linaro.org> | 2014-08-28 16:07:23 +0100 |
commit | 38a01e55d268aeba68c84eea425252e7f810feaf (patch) | |
tree | 6a19c9a35558f6e9d64e2c1a5fc21432f683c830 /hw | |
parent | 795c050e379ab21b75fc2bbb30699fe8752be157 (diff) | |
parent | 172dbc52b39c86d7569af5251cca78cb2c74c912 (diff) |
Merge remote-tracking branch 'remotes/kvm/tags/for-upstream' into staging
Mostly bugfixes + Alexey's interface-based implementation
of the NMI monitor command.
# gpg: Signature made Thu 28 Aug 2014 15:07:22 BST using RSA key ID 9B4D86F2
# gpg: Good signature from "Paolo Bonzini <pbonzini@redhat.com>"
# gpg: aka "Paolo Bonzini <bonzini@gnu.org>"
* remotes/kvm/tags/for-upstream:
mc146818rtc: reinitialize irq_reinject_on_ack_count on reset
target-i386: Add "tsc_adjust" CPU feature name
target-i386: Add "mpx" CPU feature name
vl: process -object after other backend options
checkpatch.pl: adjust typedef definition to QEMU coding style
x86: Clear MTRRs on vCPU reset
x86: kvm: Add MTRR support for kvm_get|put_msrs()
x86: Use common variable range MTRR counts
target-i386: Don't forbid NX bit on PAE PDEs and PTEs
spapr: Add support for new NMI interface
s390x: Migrate to new NMI interface
s390x: Convert QEMUMachine to MachineClass
cpus: Define callback for QEMU "nmi" command
kvm: run cpu state synchronization on target vcpu thread
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw')
-rw-r--r-- | hw/core/Makefile.objs | 1 | ||||
-rw-r--r-- | hw/core/nmi.c | 84 | ||||
-rw-r--r-- | hw/ppc/spapr.c | 21 | ||||
-rw-r--r-- | hw/s390x/s390-virtio-ccw.c | 49 | ||||
-rw-r--r-- | hw/s390x/s390-virtio.c | 59 | ||||
-rw-r--r-- | hw/s390x/s390-virtio.h | 3 | ||||
-rw-r--r-- | hw/timer/mc146818rtc.c | 1 |
7 files changed, 185 insertions, 33 deletions
diff --git a/hw/core/Makefile.objs b/hw/core/Makefile.objs index 5377d052e9..17845df3f0 100644 --- a/hw/core/Makefile.objs +++ b/hw/core/Makefile.objs @@ -4,6 +4,7 @@ common-obj-y += fw-path-provider.o # irq.o needed for qdev GPIO handling: common-obj-y += irq.o common-obj-y += hotplug.o +common-obj-y += nmi.o common-obj-$(CONFIG_EMPTY_SLOT) += empty_slot.o common-obj-$(CONFIG_XILINX_AXI) += stream.o diff --git a/hw/core/nmi.c b/hw/core/nmi.c new file mode 100644 index 0000000000..3dff020659 --- /dev/null +++ b/hw/core/nmi.c @@ -0,0 +1,84 @@ +/* + * NMI monitor handler class and helpers. + * + * Copyright IBM Corp., 2014 + * + * Author: Alexey Kardashevskiy <aik@ozlabs.ru> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, + * or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <http://www.gnu.org/licenses/>. + */ + +#include "hw/nmi.h" +#include "qapi/qmp/qerror.h" + +struct do_nmi_s { + int cpu_index; + Error *errp; + bool handled; +}; + +static void nmi_children(Object *o, struct do_nmi_s *ns); + +static int do_nmi(Object *o, void *opaque) +{ + struct do_nmi_s *ns = opaque; + NMIState *n = (NMIState *) object_dynamic_cast(o, TYPE_NMI); + + if (n) { + NMIClass *nc = NMI_GET_CLASS(n); + + ns->handled = true; + nc->nmi_monitor_handler(n, ns->cpu_index, &ns->errp); + if (ns->errp) { + return -1; + } + } + nmi_children(o, ns); + + return 0; +} + +static void nmi_children(Object *o, struct do_nmi_s *ns) +{ + object_child_foreach(o, do_nmi, ns); +} + +void nmi_monitor_handle(int cpu_index, Error **errp) +{ + struct do_nmi_s ns = { + .cpu_index = cpu_index, + .errp = NULL, + .handled = false + }; + + nmi_children(object_get_root(), &ns); + if (ns.handled) { + error_propagate(errp, ns.errp); + } else { + error_set(errp, QERR_UNSUPPORTED); + } +} + +static const TypeInfo nmi_info = { + .name = TYPE_NMI, + .parent = TYPE_INTERFACE, + .class_size = sizeof(NMIClass), +}; + +static void nmi_register_types(void) +{ + type_register_static(&nmi_info); +} + +type_init(nmi_register_types) diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index d01978f3dc..5cb452f234 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -55,6 +55,7 @@ #include "qemu/config-file.h" #include "qemu/error-report.h" #include "trace.h" +#include "hw/nmi.h" #include <libfdt.h> @@ -1576,10 +1577,28 @@ static void spapr_machine_initfn(Object *obj) spapr_get_kvm_type, spapr_set_kvm_type, NULL); } +static void ppc_cpu_do_nmi_on_cpu(void *arg) +{ + CPUState *cs = arg; + + cpu_synchronize_state(cs); + ppc_cpu_do_system_reset(cs); +} + +static void spapr_nmi(NMIState *n, int cpu_index, Error **errp) +{ + CPUState *cs; + + CPU_FOREACH(cs) { + async_run_on_cpu(cs, ppc_cpu_do_nmi_on_cpu, cs); + } +} + static void spapr_machine_class_init(ObjectClass *oc, void *data) { MachineClass *mc = MACHINE_CLASS(oc); FWPathProviderClass *fwc = FW_PATH_PROVIDER_CLASS(oc); + NMIClass *nc = NMI_CLASS(oc); mc->name = "pseries"; mc->desc = "pSeries Logical Partition (PAPR compliant)"; @@ -1593,6 +1612,7 @@ static void spapr_machine_class_init(ObjectClass *oc, void *data) mc->kvm_type = spapr_kvm_type; fwc->get_dev_path = spapr_get_fw_dev_path; + nc->nmi_monitor_handler = spapr_nmi; } static const TypeInfo spapr_machine_info = { @@ -1603,6 +1623,7 @@ static const TypeInfo spapr_machine_info = { .class_init = spapr_machine_class_init, .interfaces = (InterfaceInfo[]) { { TYPE_FW_PATH_PROVIDER }, + { TYPE_NMI }, { } }, }; diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c index 42f5cec4c1..004b2c20c5 100644 --- a/hw/s390x/s390-virtio-ccw.c +++ b/hw/s390x/s390-virtio-ccw.c @@ -18,6 +18,8 @@ #include "css.h" #include "virtio-ccw.h" +#define TYPE_S390_CCW_MACHINE "s390-ccw-machine" + void io_subsystem_reset(void) { DeviceState *css, *sclp, *flic; @@ -134,24 +136,39 @@ static void ccw_init(MachineState *machine) s390_create_virtio_net(BUS(css_bus), "virtio-net-ccw"); } -static QEMUMachine ccw_machine = { - .name = "s390-ccw-virtio", - .alias = "s390-ccw", - .desc = "VirtIO-ccw based S390 machine", - .init = ccw_init, - .block_default_type = IF_VIRTIO, - .no_cdrom = 1, - .no_floppy = 1, - .no_serial = 1, - .no_parallel = 1, - .no_sdcard = 1, - .use_sclp = 1, - .max_cpus = 255, +static void ccw_machine_class_init(ObjectClass *oc, void *data) +{ + MachineClass *mc = MACHINE_CLASS(oc); + NMIClass *nc = NMI_CLASS(oc); + + mc->name = "s390-ccw-virtio"; + mc->alias = "s390-ccw"; + mc->desc = "VirtIO-ccw based S390 machine"; + mc->init = ccw_init; + mc->block_default_type = IF_VIRTIO; + mc->no_cdrom = 1; + mc->no_floppy = 1; + mc->no_serial = 1; + mc->no_parallel = 1; + mc->no_sdcard = 1; + mc->use_sclp = 1, + mc->max_cpus = 255; + nc->nmi_monitor_handler = s390_nmi; +} + +static const TypeInfo ccw_machine_info = { + .name = TYPE_S390_CCW_MACHINE, + .parent = TYPE_MACHINE, + .class_init = ccw_machine_class_init, + .interfaces = (InterfaceInfo[]) { + { TYPE_NMI }, + { } + }, }; -static void ccw_machine_init(void) +static void ccw_machine_register_types(void) { - qemu_register_machine(&ccw_machine); + type_register_static(&ccw_machine_info); } -machine_init(ccw_machine_init) +type_init(ccw_machine_register_types) diff --git a/hw/s390x/s390-virtio.c b/hw/s390x/s390-virtio.c index 93c7acea72..1a75a1cf81 100644 --- a/hw/s390x/s390-virtio.c +++ b/hw/s390x/s390-virtio.c @@ -51,6 +51,7 @@ #define MAX_BLK_DEVS 10 #define ZIPL_FILENAME "s390-zipl.rom" +#define TYPE_S390_MACHINE "s390-machine" static VirtIOS390Bus *s390_bus; static S390CPU **ipi_states; @@ -279,25 +280,49 @@ static void s390_init(MachineState *machine) s390_create_virtio_net((BusState *)s390_bus, "virtio-net-s390"); } -static QEMUMachine s390_machine = { - .name = "s390-virtio", - .alias = "s390", - .desc = "VirtIO based S390 machine", - .init = s390_init, - .block_default_type = IF_VIRTIO, - .no_cdrom = 1, - .no_floppy = 1, - .no_serial = 1, - .no_parallel = 1, - .no_sdcard = 1, - .use_virtcon = 1, - .max_cpus = 255, - .is_default = 1, +void s390_nmi(NMIState *n, int cpu_index, Error **errp) +{ + CPUState *cs = qemu_get_cpu(cpu_index); + + if (s390_cpu_restart(S390_CPU(cs))) { + error_set(errp, QERR_UNSUPPORTED); + } +} + +static void s390_machine_class_init(ObjectClass *oc, void *data) +{ + MachineClass *mc = MACHINE_CLASS(oc); + NMIClass *nc = NMI_CLASS(oc); + + mc->name = "s390-virtio"; + mc->alias = "s390"; + mc->desc = "VirtIO based S390 machine"; + mc->init = s390_init; + mc->block_default_type = IF_VIRTIO; + mc->max_cpus = 255; + mc->no_serial = 1; + mc->no_parallel = 1; + mc->use_virtcon = 1; + mc->no_floppy = 1; + mc->no_cdrom = 1; + mc->no_sdcard = 1; + mc->is_default = 1; + nc->nmi_monitor_handler = s390_nmi; +} + +static const TypeInfo s390_machine_info = { + .name = TYPE_S390_MACHINE, + .parent = TYPE_MACHINE, + .class_init = s390_machine_class_init, + .interfaces = (InterfaceInfo[]) { + { TYPE_NMI }, + { } + }, }; -static void s390_machine_init(void) +static void s390_machine_register_types(void) { - qemu_register_machine(&s390_machine); + type_register_static(&s390_machine_info); } -machine_init(s390_machine_init); +type_init(s390_machine_register_types) diff --git a/hw/s390x/s390-virtio.h b/hw/s390x/s390-virtio.h index 5c405e7755..33847aefcf 100644 --- a/hw/s390x/s390-virtio.h +++ b/hw/s390x/s390-virtio.h @@ -12,6 +12,8 @@ #ifndef HW_S390_VIRTIO_H #define HW_S390_VIRTIO_H 1 +#include "hw/nmi.h" + #define KVM_S390_VIRTIO_NOTIFY 0 #define KVM_S390_VIRTIO_RESET 1 #define KVM_S390_VIRTIO_SET_STATUS 2 @@ -26,4 +28,5 @@ void s390_init_ipl_dev(const char *kernel_filename, const char *initrd_filename, const char *firmware); void s390_create_virtio_net(BusState *bus, const char *name); +void s390_nmi(NMIState *n, int cpu_index, Error **errp); #endif diff --git a/hw/timer/mc146818rtc.c b/hw/timer/mc146818rtc.c index 233fc70d67..4df650f450 100644 --- a/hw/timer/mc146818rtc.c +++ b/hw/timer/mc146818rtc.c @@ -792,6 +792,7 @@ static void rtc_reset(void *opaque) #ifdef TARGET_I386 if (s->lost_tick_policy == LOST_TICK_POLICY_SLEW) { s->irq_coalesced = 0; + s->irq_reinject_on_ack_count = 0; } #endif } |