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spapr: add hotplug hooks for PHB hotplug

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Hotplugging PHBs is a machine-level operation, but PHBs reside on the
main system bus, so we register spapr machine as the handler for the
main system bus.

Provide the usual pre-plug, plug and unplug-request handlers.

Move the checking of the PHB index to the pre-plug handler. It is okay
to do that and assert in the realize function because the pre-plug
handler is always called, even for the oldest machine types we support.

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
(Fixed interrupt controller phandle in "interrupt-map" and
 TCE table size in "ibm,dma-window" FDT fragment, Greg Kurz)
Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <155059672926.1466090.13612804072190051439.stgit@bahia.lab.toulouse-stg.fr.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Greg Kurz 2019-02-19 18:18:49 +01:00 • committed by David Gibson
parent f130928d2a
commit bb2bdd812e
4 changed files with 133 additions and 16 deletions
Download patch file Download diff file Expand all files Collapse all files

3
include/hw/ppc/spapr.h
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@ -772,6 +772,9 @@ int spapr_core_dt_populate(sPAPRDRConnector *drc, sPAPRMachineState *spapr,
void spapr_lmb_release(DeviceState *dev);
int spapr_lmb_dt_populate(sPAPRDRConnector *drc, sPAPRMachineState *spapr,
void *fdt, int *fdt_start_offset, Error **errp);
void spapr_phb_release(DeviceState *dev);
int spapr_phb_dt_populate(sPAPRDRConnector *drc, sPAPRMachineState *spapr,
void *fdt, int *fdt_start_offset, Error **errp);
void spapr_rtc_read(sPAPRRTCState *rtc, struct tm *tm, uint32_t *ns);
int spapr_rtc_import_offset(sPAPRRTCState *rtc, int64_t legacy_offset);