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2013-05-02cpus: Fix pausing TCG CPUs while in vCPU threadAndreas Färber1-1/+2
Due to a preceding while loop, no CPU would've been put into stopped state. Reinitialize the variable. This fixes commit d798e97456658ea7605303b7c69b04ec7df95c10 (Allow to use pause_all_vcpus from VCPU context) for non-KVM case. While at it, change a 0 to false, amending commit 4fdeee7cd4c8f90ef765537b9346a195d9483ab5 (cpu: Move stop field to CPUState). Reviewed-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-05-02target-i386: Replace cpuid_*features fields with a feature word arrayEduardo Habkost11-200/+186
This replaces the feature-bit fields on both X86CPU and x86_def_t structs with an array. With this, we will be able to simplify code that simply does the same operation on all feature words (e.g. kvm_check_features_against_host(), filter_features_for_kvm(), add_flagname_to_bitmaps(), CPU feature-bit property lookup/registration, and the proposed "feature-words" property) The following field replacements were made on X86CPU and x86_def_t: (cpuid_)features -> features[FEAT_1_EDX] (cpuid_)ext_features -> features[FEAT_1_ECX] (cpuid_)ext2_features -> features[FEAT_8000_0001_EDX] (cpuid_)ext3_features -> features[FEAT_8000_0001_ECX] (cpuid_)ext4_features -> features[FEAT_C000_0001_EDX] (cpuid_)kvm_features -> features[FEAT_KVM] (cpuid_)svm_features -> features[FEAT_SVM] (cpuid_)7_0_ebx_features -> features[FEAT_7_0_EBX] Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-05-02target-i386: Break CPUID feature definition linesEduardo Habkost1-90/+180
Break lines on kvm_check_features_against_host(), kvm_cpu_fill_host(), and builtin_x86_defs, so they don't get too long once the *_features fields are replaced by an array. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-05-01target-i386/kvm.c: Code formatting changesEduardo Habkost1-1/+2
Add appropriate spaces around operators, and break line where it needs to be broken to allow feature-words array to be introduced without having too-long lines. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-05-01target-i386: Group together level, xlevel, xlevel2 fieldsEduardo Habkost2-4/+4
Consolidate level, xlevel, xlevel2 fields in x86_def_t and CPUX86State. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-05-01pc: Implement QEMUMachine::hot_add_cpu hookIgor Mammedov4-0/+29
Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-05-01QMP: Add cpu-add commandIgor Mammedov3-0/+46
Adds "cpu-add id=xxx" QMP command. cpu-add's "id" argument is a CPU number in a range [0..max-cpus) Example QMP command: -> { "execute": "cpu-add", "arguments": { "id": 2 } } <- { "return": {} } Signed-off-by: Igor Mammedov <imammedo@redhat.com> Acked-by: Luiz Capitulino <lcapitulino@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-05-01Add hot_add_cpu hook to QEMUMachineIgor Mammedov1-0/+3
Hook should be set by machines that implement CPU hot-add via cpu-add QMP command. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-05-01target-i386: Move APIC to ICC busIgor Mammedov6-24/+42
It allows APIC to be hotplugged. * map APIC's mmio at board level if it is present * do not register mmio region for each APIC, since only one is used/mapped Signed-off-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-05-01target-i386: Attach ICC bus to CPU on its creationIgor Mammedov6-10/+24
X86CPU should have parent bus so it could provide bus for child APIC. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-05-01target-i386: Introduce ICC bus/device/bridgeIgor Mammedov8-0/+211
Provides a hotpluggable bus for APIC and CPU. * icc-bridge will serve as a parent for icc-bus and provide mmio mapping services to child icc-devices. * icc-device will replace SysBusDevice as a parent of APIC and IOAPIC devices. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-05-01cpu: Move cpu_write_elfXX_note() functions to CPUStateJens Freimann8-57/+153
Convert cpu_write_elfXX_note() functions to CPUClass methods and pass CPUState as argument. Update target-i386 accordingly. Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com> [AF: Retain stubs as CPUClass' default method implementation; style changes] Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-05-01kvmvapic: Make dependency on sysbus.h explicitIgor Mammedov1-0/+1
Allows kvmvapic to compile if sysbus.h is removed from apic_internal.h, from which it is indirectly included. sysbus.h will be removed from apic_internal.h after converting APICs to ICCDevice. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-05-01target-i386: Replace MSI_SPACE_SIZE with APIC_SPACE_SIZEIgor Mammedov5-5/+4
Put APIC_SPACE_SIZE in a public header so that it can be reused elsewhere later. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-05-01target-i386: Do not allow to set apic-id once CPU is realizedIgor Mammedov1-0/+7
Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-05-01target-i386: Introduce apic-id CPU propertyIgor Mammedov2-1/+68
The property is used from board level to set APIC ID for CPUs it creates. Do so in a new pc_new_cpu() helper, to be reused for hot-plug. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-05-01target-i386: Introduce feat2prop() for CPU propertiesIgor Mammedov1-4/+15
This helper replaces '_' with '-' in a uniform way. As a side effect, even custom mappings must use '-' now. Signed-off-by: Igor Mammedov <imammedo@redhat.com> [AF: Split off; operate on NUL-terminated string rather than '=' delimiter] Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-05-01acpi_piix4: Add infrastructure to send CPU hot-plug GPE to guestIgor Mammedov2-2/+110
* introduce processor status bitmask visible to guest at 0xaf00 addr, where ACPI asl code expects it * set bit corresponding to APIC ID in processor status bitmask on receiving CPU hot-plug notification * trigger CPU hot-plug SCI, to notify guest about CPU hot-plug event Signed-off-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-05-01cpu: Add helper cpu_exists(), to check if CPU with specified id existsIgor Mammedov2-0/+36
Signed-off-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-05-01cpus: Use qemu_for_each_cpu() in TCG threadIgor Mammedov1-6/+7
Replaces an open-coded loop and hides unused CPUArchState. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-05-01cpu: Add qemu_for_each_cpu()Michael S. Tsirkin2-0/+19
Wrapper to avoid open-coded loops and to make CPUState iteration independent of CPUArchState. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-05-01cpu: Introduce get_arch_id() method and override it for X86CPUIgor Mammedov3-0/+18
get_arch_id() adds possibility for generic code to get a guest-visible CPU ID without accessing CPUArchState. If derived classes don't override it, it will return cpu_index. Override it on target-i386 in X86CPU to return the APIC ID. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: liguang <lig.fnst@cn.fujitsu.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-05-01pc: Update rtc_cmos on CPU hot-plugIgor Mammedov3-0/+28
It provides updated currently available CPUs count to BIOS on reboot. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-05-01cpu: Introduce CPU hot-plug notifierIgor Mammedov2-0/+15
Hot-add CPU event will be distributed to acpi_piix4 and rtc_cmos. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-05-01cpu: Resume CPU from DeviceClass::realize() if hot-pluggedIgor Mammedov1-0/+1
Signed-off-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-05-01cpu: Introduce cpu_resume(), for single CPUIgor Mammedov4-3/+21
Also add a stub for it, to make possible to use it in qom/cpu.c, which is shared with user emulators. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-05-01cpu: Call cpu_synchronize_post_init() from DeviceClass::realize()Igor Mammedov5-11/+18
If hotplugged, synchronize CPU state to KVM. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-05-01cpu: Make kvm-stub.o available outside softmmuIgor Mammedov3-10/+15
It will provide stubs for *-user targets once softmmu-specific calls are attempted from common CPU code. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-04-30virtio-net: count VIRTIO_NET_F_MAC when calculating config_lenJason Wang1-0/+1
Commit 14f9b664 (hw/virtio-net.c: set config size using host features) tries to calculate config size based on the host features. But it forgets the VIRTIO_NET_F_MAC were always set for qemu later. This will lead a zero config len for virtio-net device when both VIRTIO_NET_F_STATUS and VIRTIO_NET_F_MQ were disabled form command line. Then qemu will crash when user tries to read the config of virtio-net. Fix this by counting VIRTIO_NET_F_MAC and make sure the config at least contains the mac address. Cc: Jesse Larrew <jlarrew@linux.vnet.ibm.com> Signed-off-by: Jason Wang <jasowang@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Message-id: 1366874814-2658-1-git-send-email-jasowang@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-30sysemu: drop register_devices from headerMichael S. Tsirkin1-2/+0
No user in sight. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Message-id: 20130430094149.GA29094@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-30libqtest: only call fclose() on open filesJesse Larrew1-1/+1
libqtest.c can segfault when calling fclose() if the pidfile wasn't opened successfully. This patch fixes the issue. Signed-off-by: Jesse Larrew <jlarrew@linux.vnet.ibm.com> Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Message-id: 1367250772-17928-1-git-send-email-jlarrew@linux.vnet.ibm.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-30Wire up disabled wait a panicked event on s390Christian Borntraeger1-3/+14
On s390 the disabled wait state indicates a state of attention. For example Linux uses that state after a panic. Lets put the system into panicked state. An alternative implementation would be to state disabled-wait <address> instead of pause in the action field. (e.g. z/OS, z/VM and other classic OSes use the address of the disabled wait to indicate an error code). Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Message-id: 6cf41156322e27e81a727b69f03728dbc225d5bb.1366945969.git.hutao@cn.fujitsu.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-30pvpanic: create pvpanic by default for machine 1.5Hu Tao4-0/+29
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Hu Tao <hutao@cn.fujitsu.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Message-id: f840042f0e1205041f8feaf0d39ca639884f3a00.1366945969.git.hutao@cn.fujitsu.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-30pvpanic: add document of pvpanicHu Tao1-0/+39
Signed-off-by: Hu Tao <hutao@cn.fujitsu.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Message-id: a5db4ce406647e8f4663b639eae62d880531df8b.1366945969.git.hutao@cn.fujitsu.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-30pvpanic: pass configurable ioport to seabiosHu Tao2-1/+21
This lets seabios patch the corresponding SSDT entry. Also add fw_cfg object to /machine/fw_cfg so we can reference it elsewhere. Signed-off-by: Hu Tao <hutao@cn.fujitsu.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Message-id: 60c65d95fe2b23b12bea67099126566010a11a1a.1366945969.git.hutao@cn.fujitsu.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-30fw_cfg: add required header filesHu Tao1-0/+7
If fw_cfg.h is included alone, gcc gives error messages like these: error: unknown type name ‘uint32_t’ error: unknown type name ‘size_t’ error: unknown type name ‘hwaddr’ ... Signed-off-by: Hu Tao <hutao@cn.fujitsu.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Message-id: d63f8bcdbfbec8135b1b57f9247c513a3e25762c.1366945969.git.hutao@cn.fujitsu.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-30introduce a new qom device to deal with panicked eventHu Tao4-0/+127
pvpanic device is used to send guest panic event from guest to qemu. When guest panic happens, pvpanic device driver will write a event number to IO port 0x505(which is the IO port occupied by pvpanic device, by default). On receiving the event, pvpanic device will pause guest cpu(s), and send a qmp event QEVENT_GUEST_PANICKED. Signed-off-by: Wen Congyang <wency@cn.fujitsu.com> Signed-off-by: Hu Tao <hutao@cn.fujitsu.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Message-id: b66077a40235b3531632a05a6ff373850afc7d2e.1366945969.git.hutao@cn.fujitsu.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-30add a new qevent: QEVENT_GUEST_PANICKEDHu Tao3-0/+16
This event will be emited when qemu detects guest panic. Signed-off-by: Wen Congyang <wency@cn.fujitsu.com> Signed-off-by: Hu Tao <hutao@cn.fujitsu.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Message-id: cf0bc45ecf9ecd3699bc72dc39f8cbab8ed79d8c.1366945969.git.hutao@cn.fujitsu.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-30add a new runstate: RUN_STATE_GUEST_PANICKEDHu Tao4-5/+17
The guest will be in this state when it is panicked. Signed-off-by: Wen Congyang <wency@cn.fujitsu.com> Signed-off-by: Hu Tao <hutao@cn.fujitsu.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Message-id: 0255f263ffdc2a3716f73e89098b96fd79a235b3.1366945969.git.hutao@cn.fujitsu.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-30qdev: Report errors collected during device realizationJan Kiszka1-0/+1
Better than just releasing the error object silently. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Reviewed-by: Andreas Färber <afaerber@suse.de> Message-id: 517E68FC.6030400@siemens.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-30rules.mk: Fix build breakageDunrong Huang1-1/+1
The following error occurs when building dtc module: CHK version_gen.h CC libfdt/fdt.o cc1: error: dtc: No such file or directory [-Werror] cc1: all warnings being treated as errors make[1]: *** [libfdt/fdt.o] Error 1 make: *** [subdir-dtc] Error 2 In rules.mak, "-I$(<D) -I$(@D)" was expanded to "-Idtc -I." when building submodule dct. Due to the using of "-Wmissing-include-dirs, a warning would be rarsed. To avoid it, add "-I$(<D) -I$(@D)" to QEMU_INCLUDES instead of QEMU_CFLAGS so that QEMU_CFLAGS does not contain the "-Idtc". Cc: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Cc: Blue Swirl <blauwirbel@gmail.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Dunrong Huang <riegamaths@gmail.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 1367247132-19622-1-git-send-email-riegamaths@gmail.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-30QOM: Fail casts for unknown typesAlexander Graf1-0/+5
When we try to cast an object to an unknown type, fail the cast. Today we would simply run into an assert(). This fixes a bug on qemu-system-s390x for me that gets triggered by the audio code looking for PCI and ISA buses. Signed-off-by: Alexander Graf <agraf@suse.de> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 1367326936-28539-1-git-send-email-agraf@suse.de Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-30pc_piix: remove undesired change in pc_init1Paolo Bonzini1-0/+1
Introduced when applying commit f81222b (audio: look for the ISA and PCI buses, 2013-04-18). Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 1367330432-14417-1-git-send-email-pbonzini@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-29audio: enable PCI audio cards for all PCI-enabled targetsPaolo Bonzini8-14/+5
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 1366303444-24620-9-git-send-email-pbonzini@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-29audio: look for the ISA and PCI busesPaolo Bonzini7-12/+17
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 1366303444-24620-8-git-send-email-pbonzini@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-29qom: do not return root for empty pathPaolo Bonzini1-10/+2
An empty path will return the sole object of that type in the QOM tree. This is different from "/", which returns the root. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 1366303444-24620-7-git-send-email-pbonzini@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-29audio: replace audio card configuration with default-configsPaolo Bonzini12-25/+23
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 1366303444-24620-6-git-send-email-pbonzini@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-29audio: remove CONFIG_* symbolsPaolo Bonzini1-9/+0
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 1366303444-24620-5-git-send-email-pbonzini@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-29audio: remove HAS_AUDIOPaolo Bonzini6-41/+0
Several targets can have wavcapture/-soundhw support via PCI cards. HAS_AUDIO is a useless limitation, remove it. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 1366303444-24620-4-git-send-email-pbonzini@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-29audio: remove the need for audio card CONFIG_* symbolsPaolo Bonzini13-144/+62
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 1366303444-24620-3-git-send-email-pbonzini@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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