On Fri, Dec 13, 2019 at 02:00:53PM +0100, Cédric Le Goater wrote: > On 13/12/2019 13:00, Greg Kurz wrote: > > The pnv_pic_print_info() callback checks the type of the chip in order > > to forward to the request appropriate interrupt controller. This can > > be achieved with QOM. Introduce a method for this in the base chip class > > and implement it in child classes. > > > > This also prepares ground for the upcoming interrupt controller of POWER10 > > chips. > > > > Signed-off-by: Greg Kurz > > > Reviewed-by: Cédric Le Goater > > One comment below. > > > --- > > hw/ppc/pnv.c | 30 +++++++++++++++++++++++++----- > > include/hw/ppc/pnv.h | 1 + > > 2 files changed, 26 insertions(+), 5 deletions(-) > > > > diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c > > index efc00f4cb67a..2a53e99bda2e 100644 > > --- a/hw/ppc/pnv.c > > +++ b/hw/ppc/pnv.c > > @@ -832,6 +832,12 @@ static void pnv_chip_power8_intc_destroy(PnvChip *chip, PowerPCCPU *cpu) > > pnv_cpu->intc = NULL; > > } > > > > +static void pnv_chip_power8_intc_print_info(PnvChip *chip, PowerPCCPU *cpu, > > + Monitor *mon) > > +{ > > + icp_pic_print_info(ICP(pnv_cpu_state(cpu)->intc), mon); > > +} > > + > > /* > > * 0:48 Reserved - Read as zeroes > > * 49:52 Node ID > > @@ -889,6 +895,12 @@ static void pnv_chip_power9_intc_destroy(PnvChip *chip, PowerPCCPU *cpu) > > pnv_cpu->intc = NULL; > > } > > > > +static void pnv_chip_power9_intc_print_info(PnvChip *chip, PowerPCCPU *cpu, > > + Monitor *mon) > > +{ > > + xive_tctx_pic_print_info(XIVE_TCTX(pnv_cpu_state(cpu)->intc), mon); > > +} > > + > > static void pnv_chip_power10_intc_create(PnvChip *chip, PowerPCCPU *cpu, > > Error **errp) > > { > > @@ -910,6 +922,11 @@ static void pnv_chip_power10_intc_destroy(PnvChip *chip, PowerPCCPU *cpu) > > pnv_cpu->intc = NULL; > > } > > > > +static void pnv_chip_power10_intc_print_info(PnvChip *chip, PowerPCCPU *cpu, > > + Monitor *mon) > > +{ > > +} > > + > > /* > > * Allowed core identifiers on a POWER8 Processor Chip : > > * > > @@ -1086,6 +1103,7 @@ static void pnv_chip_power8e_class_init(ObjectClass *klass, void *data) > > k->intc_create = pnv_chip_power8_intc_create; > > k->intc_reset = pnv_chip_power8_intc_reset; > > k->intc_destroy = pnv_chip_power8_intc_destroy; > > + k->intc_print_info = pnv_chip_power8_intc_print_info; > > k->isa_create = pnv_chip_power8_isa_create; > > k->dt_populate = pnv_chip_power8_dt_populate; > > k->pic_print_info = pnv_chip_power8_pic_print_info; > > @@ -1107,6 +1125,7 @@ static void pnv_chip_power8_class_init(ObjectClass *klass, void *data) > > k->intc_create = pnv_chip_power8_intc_create; > > k->intc_reset = pnv_chip_power8_intc_reset; > > k->intc_destroy = pnv_chip_power8_intc_destroy; > > + k->intc_print_info = pnv_chip_power8_intc_print_info; > > k->isa_create = pnv_chip_power8_isa_create; > > k->dt_populate = pnv_chip_power8_dt_populate; > > k->pic_print_info = pnv_chip_power8_pic_print_info; > > @@ -1128,6 +1147,7 @@ static void pnv_chip_power8nvl_class_init(ObjectClass *klass, void *data) > > k->intc_create = pnv_chip_power8_intc_create; > > k->intc_reset = pnv_chip_power8_intc_reset; > > k->intc_destroy = pnv_chip_power8_intc_destroy; > > + k->intc_print_info = pnv_chip_power8_intc_print_info; > > k->isa_create = pnv_chip_power8nvl_isa_create; > > k->dt_populate = pnv_chip_power8_dt_populate; > > k->pic_print_info = pnv_chip_power8_pic_print_info; > > @@ -1299,6 +1319,7 @@ static void pnv_chip_power9_class_init(ObjectClass *klass, void *data) > > k->intc_create = pnv_chip_power9_intc_create; > > k->intc_reset = pnv_chip_power9_intc_reset; > > k->intc_destroy = pnv_chip_power9_intc_destroy; > > + k->intc_print_info = pnv_chip_power9_intc_print_info; > > k->isa_create = pnv_chip_power9_isa_create; > > k->dt_populate = pnv_chip_power9_dt_populate; > > k->pic_print_info = pnv_chip_power9_pic_print_info; > > @@ -1379,6 +1400,7 @@ static void pnv_chip_power10_class_init(ObjectClass *klass, void *data) > > k->intc_create = pnv_chip_power10_intc_create; > > k->intc_reset = pnv_chip_power10_intc_reset; > > k->intc_destroy = pnv_chip_power10_intc_destroy; > > + k->intc_print_info = pnv_chip_power10_intc_print_info; > > k->isa_create = pnv_chip_power10_isa_create; > > k->dt_populate = pnv_chip_power10_dt_populate; > > k->pic_print_info = pnv_chip_power10_pic_print_info; > > @@ -1575,11 +1597,9 @@ static void pnv_pic_print_info(InterruptStatsProvider *obj, > > CPU_FOREACH(cs) { > > PowerPCCPU *cpu = POWERPC_CPU(cs); > > > > - if (pnv_chip_is_power9(pnv->chips[0])) { > > - xive_tctx_pic_print_info(XIVE_TCTX(pnv_cpu_state(cpu)->intc), mon); > > - } else { > > - icp_pic_print_info(ICP(pnv_cpu_state(cpu)->intc), mon); > > - } > > + /* XXX: loop on each chip/core/thread instead of CPU_FOREACH() */ > > May be we should introduce a helper such as : > > int pnv_chip_cpu_foreach(PnvChip *chip, > int (*doit)(PnvChip *chip, PowerPCCPU *cpu, void *opaque), void *opaque) > { > int i, j; > int ret = 0; > > for (i = 0; i < chip->nr_cores; i++) { > PnvCore *pc = chip->cores[i]; > CPUCore *cc = CPU_CORE(pc); > > for (j = 0; j < cc->nr_threads; j++) { > PowerPCCPU *cpu = pc->threads[j]; > ret = doit(chip, cpu, opaque); > if (ret) { > break; > } > } > } > return ret; > } What I'd actually like to work towards is just having the interrupt controllers themselves advertize TYPE_INTERRUPT_STATS_PROVIDER and not needing anything specific at the machine level to locate them, just let the generic code in hmp_info_pic handle it. But this patch is fine in the meantime. > > > + PNV_CHIP_GET_CLASS(pnv->chips[0])->intc_print_info(pnv->chips[0], cpu, > > + mon); > > } > > > > for (i = 0; i < pnv->num_chips; i++) { > > diff --git a/include/hw/ppc/pnv.h b/include/hw/ppc/pnv.h > > index c213bdd5ecd3..7d2402784d4b 100644 > > --- a/include/hw/ppc/pnv.h > > +++ b/include/hw/ppc/pnv.h > > @@ -133,6 +133,7 @@ typedef struct PnvChipClass { > > void (*intc_create)(PnvChip *chip, PowerPCCPU *cpu, Error **errp); > > void (*intc_reset)(PnvChip *chip, PowerPCCPU *cpu); > > void (*intc_destroy)(PnvChip *chip, PowerPCCPU *cpu); > > + void (*intc_print_info)(PnvChip *chip, PowerPCCPU *cpu, Monitor *mon); > > ISABus *(*isa_create)(PnvChip *chip, Error **errp); > > void (*dt_populate)(PnvChip *chip, void *fdt); > > void (*pic_print_info)(PnvChip *chip, Monitor *mon); > > > -- David Gibson | I'll have my music baroque, and my code david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_ | _way_ _around_! http://www.ozlabs.org/~dgibson