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2014-02-10acpi/piix4pm: convert ACPI PCI hotplug to use hotplug-handler APIIgor Mammedov2-4/+7
Split piix4_device_hotplug() into hotplug/unplug callbacks and register them as "hotplug-handler" interface implementation of PIIX4_PM device. Replace pci_bus_hotplug() wiring with setting link on PCI BUS "hotplug-handler" property to PIIX4_PM device. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-02-05hw:piix4:acpi: reuse pcihp code for legacy PCI hotplugIgor Mammedov1-0/+1
reduces acpi PCI hotplug code duplication by ~200LOC Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-02-05pcihp: remove unused AcpiPciHpPciStatus.device_present fieldIgor Mammedov1-1/+0
Remove now unused 'device_present' field wich was obsoleted by patch "pcihp: reduce number of device check events" Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-02-05pcihp: make pci_read() mmio calback compatible with legacy ACPI hotplugIgor Mammedov1-1/+2
due to recent change introduced by: "pcihp: reduce number of device check events" 'up' field is cleared right after it's read. This is incompatible with legacy BIOS ACPI code where PCNF ACPI method reads this field 32 times. To make pci_read mmio callback compatible with legacy 'up' behavior, pcihp code will need to know in which mode it runs add 'legacy_piix' field to AcpiPciHpState structure and alter register behavior accordingly. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-02-05pcihp: reduce number of device check eventsMichael S. Tsirkin1-1/+1
PIIX created a made-up value for the UP register since it was read by guest 32 times for each interrupt. There's no reason to do this for the new PCIHP: register is only read once for each interrupt, so clean up code by making read act as an interrupt acknowledgement: the new UP register clear on read. In this way we cut down the number of bus rescans by a factor of 32, and drop a bunch of code that's now unused. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-01-26pc: ACPI: unify source of CPU hotplug IO base/lenIgor Mammedov1-0/+1
use C headers defines as source of IO base/len for respective values in ASL code. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-01-26acpi: ich9: add CPU hotplug handling to Q35 machineIgor Mammedov2-0/+5
.. use IO port 0cd8-0xcf7 range for CPU present bitmap Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-01-26acpi: factor out common cpu hotplug code for PIIX4/Q35Igor Mammedov2-0/+49
.. so it could be used for adding CPU hotplug to Q35 machine Add an additional header with that will be shared between C and ASL code: include/hw/acpi/cpu_hotplug_defs.h Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-01-26pcihp: generalization of piix4 acpiMichael S. Tsirkin1-0/+72
Add ACPI based PCI hotplug library with bridge hotplug support. Design - each bus gets assigned "bsel" property. - ACPI code writes this number to a new BNUM register, then uses existing UP/DOWN registers to probe slot status; to eject, write number to BNUM register, then slot into existing EJ. The interface is actually backwards-compatible with existing PIIX4 ACPI (though not migration compatible). This is split out from PIIX4 codebase so we can reuse it for Q35 as well. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2013-12-23acpi: factor out common pm_update_sci() into acpi coreIgor Mammedov1-0/+8
... and rename it into acpi_update_sci() since it changes SCI on only on PM registers status. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2013-10-14acpi: add interface to access user-installed tablesMichael S. Tsirkin1-0/+4
Also add a new API to install builtin tables, so that we can distinguish between the two. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2013-10-14ich9: APIs for pc guest infoMichael S. Tsirkin1-0/+2
This adds APIs that will be used to fill in acpi tables, implemented using QOM, to various ich9 components. Some information is still missing in QOM, so we fall back on lookups by type instead. Reviewed-by: Gerd Hoffmann <kraxel@redhat.com> Tested-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Tested-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2013-10-14piix: APIs for pc guest infoMichael S. Tsirkin1-0/+8
This adds APIs that will be used to fill in guest acpi tables. Some required information is still lacking in QOM, so we fall back on lookups by type and returning explicit types. Reviewed-by: Gerd Hoffmann <kraxel@redhat.com> Tested-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Tested-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2013-08-22aio / timers: Switch entire codebase to the new timer APIAlex Bligh1-1/+1
This is an autogenerated patch using scripts/switch-timer-api. Switch the entire code base to using the new timer API. Note this patch may introduce some line length issues. Signed-off-by: Alex Bligh <alex@alex.org.uk> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-04-24ich9: kill cmos_s3Hu Tao1-1/+1
Signed-off-by: Hu Tao <hutao@cn.fujitsu.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 1366799842-18550-1-git-send-email-hutao@cn.fujitsu.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-15acpi.h: make it self containedMichael S. Tsirkin1-0/+6
Headers shouldn't assume another header is included, pull in everything necessary. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-04-15acpi: move declarations from pc.h to acpi.hMichael S. Tsirkin1-0/+7
Functions defined in acpi/ should be declared in acpi.h Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-04-08hw: move headers to include/Paolo Bonzini2-0/+209
Many of these should be cleaned up with proper qdev-/QOM-ification. Right now there are many catch-all headers in include/hw/ARCH depending on cpu.h, and this makes it necessary to compile these files per-target. However, fixing this does not belong in these patches. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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