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From: "Cédric Le Goater" <clg@kaod.org>
To: Greg Kurz <groug@kaod.org>, David Gibson <david@gibson.dropbear.id.au>
Cc: qemu-ppc@nongnu.org, qemu-devel@nongnu.org
Subject: Re: [PATCH 07/13] ppc/pnv: Introduce PnvChipClass::intc_print_info() method
Date: Fri, 13 Dec 2019 14:00:53 +0100	[thread overview]
Message-ID: <4039344f-eb1c-3ea3-1055-09aeffd28ce7@kaod.org> (raw)
In-Reply-To: <157623840755.360005.5002022339473369934.stgit@bahia.lan>

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 <groug@kaod.org>


Reviewed-by: Cédric Le Goater <clg@kaod.org>

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;
}

> +        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);
> 



  reply	other threads:[~2019-12-13 21:27 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-13 11:59 [PATCH 00/13] ppc/pnv: Get rid of chip_type attributes Greg Kurz
2019-12-13 11:59 ` [PATCH 01/13] ppc: Drop useless extern annotation for functions Greg Kurz
2019-12-13 11:59 ` [PATCH 02/13] ppc/pnv: Introduce PnvPsiClass::compat Greg Kurz
2019-12-13 12:42   ` Cédric Le Goater
2019-12-13 11:59 ` [PATCH 03/13] ppc/pnv: Drop PnvPsiClass::chip_type Greg Kurz
2019-12-13 12:43   ` Cédric Le Goater
2019-12-13 11:59 ` [PATCH 04/13] ppc/pnv: Introduce PnvMachineClass and PnvMachineClass::compat Greg Kurz
2019-12-13 12:44   ` Cédric Le Goater
2019-12-16 18:07     ` Greg Kurz
2019-12-17  0:00       ` David Gibson
2019-12-13 11:59 ` [PATCH 05/13] ppc/pnv: Introduce PnvMachineClass::dt_power_mgt() Greg Kurz
2019-12-13 12:44   ` Cédric Le Goater
2019-12-13 12:00 ` [PATCH 06/13] ppc/pnv: Drop pnv_is_power9() and pnv_is_power10() helpers Greg Kurz
2019-12-13 12:59   ` Cédric Le Goater
2019-12-13 12:00 ` [PATCH 07/13] ppc/pnv: Introduce PnvChipClass::intc_print_info() method Greg Kurz
2019-12-13 13:00   ` Cédric Le Goater [this message]
2019-12-16  1:28     ` David Gibson
2019-12-16  7:54       ` Cédric Le Goater
2019-12-13 12:00 ` [PATCH 08/13] ppc/pnv: Introduce PnvChipClass::xscom_core_base() method Greg Kurz
2019-12-13 13:01   ` Cédric Le Goater
2019-12-13 12:00 ` [PATCH 09/13] ppc/pnv: Pass XSCOM base address and address size to pnv_dt_xscom() Greg Kurz
2019-12-13 13:03   ` Cédric Le Goater
2019-12-13 12:00 ` [PATCH 10/13] ppc/pnv: Pass content of the "compatible" property " Greg Kurz
2019-12-13 13:03   ` Cédric Le Goater
2019-12-13 12:00 ` [PATCH 11/13] ppc/pnv: Drop pnv_chip_is_power9() and pnv_chip_is_power10() helpers Greg Kurz
2019-12-13 13:05   ` Cédric Le Goater
2019-12-13 12:00 ` [PATCH 12/13] ppc/pnv: Introduce PnvChipClass::xscom_pcba() method Greg Kurz
2019-12-13 13:06   ` Cédric Le Goater
2019-12-16  1:32     ` David Gibson
2019-12-13 12:00 ` [PATCH 13/13] ppc/pnv: Drop PnvChipClass::type Greg Kurz
2019-12-13 13:06   ` Cédric Le Goater
2019-12-16  1:34 ` [PATCH 00/13] ppc/pnv: Get rid of chip_type attributes David Gibson

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