ppc/pnv: Introduce PnvMachineClass::dt_power_mgt()
We add an extra node to advertise power management on some machines, namely powernv9 and powernv10. This is achieved by using the pnv_is_power9() and pnv_is_power10() helpers. This can be achieved with QOM. Add a method to the base class for powernv machines and have it implemented by machine types that support power management instead. Signed-off-by: Greg Kurz <groug@kaod.org> Message-Id: <157623839642.360005.9243510140436689941.stgit@bahia.lan> Reviewed-by: Cédric Le Goater <clg@kaod.org> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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hw/ppc/pnv.c
10
hw/ppc/pnv.c
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@ -472,7 +472,7 @@ static void pnv_dt_isa(PnvMachineState *pnv, void *fdt)
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&args);
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}
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static void pnv_dt_power_mgt(void *fdt)
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static void pnv_dt_power_mgt(PnvMachineState *pnv, void *fdt)
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{
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int off;
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@ -539,9 +539,9 @@ static void *pnv_dt_create(MachineState *machine)
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pnv_dt_bmc_sensors(pnv->bmc, fdt);
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}
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/* Create an extra node for power management on Power9 and Power10 */
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if (pnv_is_power9(pnv) || pnv_is_power10(pnv)) {
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pnv_dt_power_mgt(fdt);
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/* Create an extra node for power management on machines that support it */
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if (pmc->dt_power_mgt) {
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pmc->dt_power_mgt(pnv, fdt);
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}
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return fdt;
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@ -1709,6 +1709,7 @@ static void pnv_machine_power9_class_init(ObjectClass *oc, void *data)
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pmc->compat = compat;
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pmc->compat_size = sizeof(compat);
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pmc->dt_power_mgt = pnv_dt_power_mgt;
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}
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static void pnv_machine_power10_class_init(ObjectClass *oc, void *data)
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@ -1722,6 +1723,7 @@ static void pnv_machine_power10_class_init(ObjectClass *oc, void *data)
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pmc->compat = compat;
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pmc->compat_size = sizeof(compat);
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pmc->dt_power_mgt = pnv_dt_power_mgt;
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}
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static void pnv_machine_class_init(ObjectClass *oc, void *data)
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@ -190,6 +190,8 @@ PowerPCCPU *pnv_chip_find_cpu(PnvChip *chip, uint32_t pir);
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#define PNV_MACHINE_CLASS(klass) \
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OBJECT_CLASS_CHECK(PnvMachineClass, klass, TYPE_PNV_MACHINE)
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typedef struct PnvMachineState PnvMachineState;
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typedef struct PnvMachineClass {
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/*< private >*/
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MachineClass parent_class;
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@ -197,9 +199,11 @@ typedef struct PnvMachineClass {
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/*< public >*/
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const char *compat;
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int compat_size;
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void (*dt_power_mgt)(PnvMachineState *pnv, void *fdt);
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} PnvMachineClass;
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typedef struct PnvMachineState {
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struct PnvMachineState {
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/*< private >*/
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MachineState parent_obj;
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@ -216,7 +220,7 @@ typedef struct PnvMachineState {
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Notifier powerdown_notifier;
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PnvPnor *pnor;
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} PnvMachineState;
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};
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static inline bool pnv_chip_is_power9(const PnvChip *chip)
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{
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