diff options
Diffstat (limited to 'hw/ppc/spapr_irq.c')
| -rw-r--r-- | hw/ppc/spapr_irq.c | 42 |
1 files changed, 41 insertions, 1 deletions
diff --git a/hw/ppc/spapr_irq.c b/hw/ppc/spapr_irq.c index 4297eed600..4145079d7f 100644 --- a/hw/ppc/spapr_irq.c +++ b/hw/ppc/spapr_irq.c @@ -230,6 +230,11 @@ static void spapr_irq_reset_xics(sPAPRMachineState *spapr, Error **errp) /* TODO: create the KVM XICS device */ } +static const char *spapr_irq_get_nodename_xics(sPAPRMachineState *spapr) +{ + return XICS_NODENAME; +} + #define SPAPR_IRQ_XICS_NR_IRQS 0x1000 #define SPAPR_IRQ_XICS_NR_MSIS \ (XICS_IRQ_BASE + SPAPR_IRQ_XICS_NR_IRQS - SPAPR_IRQ_MSI) @@ -249,6 +254,7 @@ sPAPRIrq spapr_irq_xics = { .post_load = spapr_irq_post_load_xics, .reset = spapr_irq_reset_xics, .set_irq = spapr_irq_set_irq_xics, + .get_nodename = spapr_irq_get_nodename_xics, }; /* @@ -384,6 +390,11 @@ static void spapr_irq_set_irq_xive(void *opaque, int srcno, int val) xive_source_set_irq(&spapr->xive->source, srcno, val); } +static const char *spapr_irq_get_nodename_xive(sPAPRMachineState *spapr) +{ + return spapr->xive->nodename; +} + /* * XIVE uses the full IRQ number space. Set it to 8K to be compatible * with XICS. @@ -407,6 +418,7 @@ sPAPRIrq spapr_irq_xive = { .post_load = spapr_irq_post_load_xive, .reset = spapr_irq_reset_xive, .set_irq = spapr_irq_set_irq_xive, + .get_nodename = spapr_irq_get_nodename_xive, }; /* @@ -541,6 +553,11 @@ static void spapr_irq_set_irq_dual(void *opaque, int srcno, int val) spapr_irq_current(spapr)->set_irq(spapr, srcno, val); } +static const char *spapr_irq_get_nodename_dual(sPAPRMachineState *spapr) +{ + return spapr_irq_current(spapr)->get_nodename(spapr); +} + /* * Define values in sync with the XIVE and XICS backend */ @@ -561,7 +578,8 @@ sPAPRIrq spapr_irq_dual = { .cpu_intc_create = spapr_irq_cpu_intc_create_dual, .post_load = spapr_irq_post_load_dual, .reset = spapr_irq_reset_dual, - .set_irq = spapr_irq_set_irq_dual + .set_irq = spapr_irq_set_irq_dual, + .get_nodename = spapr_irq_get_nodename_dual, }; /* @@ -620,6 +638,27 @@ void spapr_irq_reset(sPAPRMachineState *spapr, Error **errp) } } +int spapr_irq_get_phandle(sPAPRMachineState *spapr, void *fdt, Error **errp) +{ + const char *nodename = spapr->irq->get_nodename(spapr); + int offset, phandle; + + offset = fdt_subnode_offset(fdt, 0, nodename); + if (offset < 0) { + error_setg(errp, "Can't find node \"%s\": %s", nodename, + fdt_strerror(offset)); + return -1; + } + + phandle = fdt_get_phandle(fdt, offset); + if (!phandle) { + error_setg(errp, "Can't get phandle of node \"%s\"", nodename); + return -1; + } + + return phandle; +} + /* * XICS legacy routines - to deprecate one day */ @@ -691,4 +730,5 @@ sPAPRIrq spapr_irq_xics_legacy = { .cpu_intc_create = spapr_irq_cpu_intc_create_xics, .post_load = spapr_irq_post_load_xics, .set_irq = spapr_irq_set_irq_xics, + .get_nodename = spapr_irq_get_nodename_xics, }; |