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spapr: Add /rtas/ibm,change-msix-capable 

QEMU is MSI-X capable and makes it available via ibm,change-msi, so
we should indicate this by adding /rtas/ibm,change-msix-capable to the
device tree.

This is specificed by PAPR.

Signed-off-by: Sam Bobroff <sam.bobroff@au1.ibm.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Sam Bobroff 2015-09-01 11:23:34 +10:00 committed by David Gibson
parent 2c1aaa819a
commit a95f99224c
1 changed files with 4 additions and 0 deletions
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hw/ppc/spapr.c
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@ -432,6 +432,10 @@ static void *spapr_create_fdt_skel(hwaddr initrd_base,
_FDT((fdt_property_cell(fdt, "rtas-event-scan-rate",
RTAS_EVENT_SCAN_RATE)));
if (msi_supported) {
_FDT((fdt_property(fdt, "ibm,change-msix-capable", NULL, 0)));
}
/*
* According to PAPR, rtas ibm,os-term does not guarantee a return
* back to the guest cpu.