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spapr: change default interrupt mode to 'dual'

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Now that XIVE support is complete (QEMU emulated and KVM devices),
change the pseries machine to advertise both interrupt modes: XICS
(P7/P8) and XIVE (P9).

The machine default interrupt modes depends on the version. Current
settings are:

    pseries   default interrupt mode

    4.1       dual
    4.0       xics
    3.1       xics
    3.0       legacy xics (different IRQ number space layout)

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20190522074016.10521-3-clg@kaod.org>
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Cédric Le Goater
2019-05-29 11:39:47 +10:00
committed by David Gibson
parent cdd71c8e9d
commit bd94bc0647
1 changed files with 2 additions and 1 deletions
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hw/ppc/spapr.c
+2 -1
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@@ -4352,7 +4352,7 @@ static void spapr_machine_class_init(ObjectClass *oc, void *data)
smc->default_caps.caps[SPAPR_CAP_LARGE_DECREMENTER] = SPAPR_CAP_ON;
smc->default_caps.caps[SPAPR_CAP_CCF_ASSIST] = SPAPR_CAP_OFF;
spapr_caps_add_properties(smc, &error_abort);
smc->irq = &spapr_irq_xics;
smc->irq = &spapr_irq_dual;
smc->dr_phb_enabled = true;
}
@@ -4430,6 +4430,7 @@ static void spapr_machine_4_0_class_options(MachineClass *mc)
spapr_machine_4_1_class_options(mc);
compat_props_add(mc->compat_props, hw_compat_4_0, hw_compat_4_0_len);
smc->phb_placement = phb_placement_4_0;
smc->irq = &spapr_irq_xics;
}
DEFINE_SPAPR_MACHINE(4_0, "4.0", false);