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Re: [Qemu-devel] [PATCH v4 1/6] xics: introduce macros for ICP/ICS link


From: Cédric Le Goater
Subject: Re: [Qemu-devel] [PATCH v4 1/6] xics: introduce macros for ICP/ICS link properties
Date: Thu, 8 Jun 2017 16:04:21 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.8.0

On 06/08/2017 03:42 PM, Greg Kurz wrote:
> These properties are part of the XICS API. They deserve to appear
> explicitely in the XICS header file.

I don't see the benefits.

C. 


> 
> Signed-off-by: Greg Kurz <address@hidden>
> ---
>  hw/intc/xics.c          |    8 ++++----
>  hw/ppc/pnv_core.c       |    3 ++-
>  hw/ppc/pnv_psi.c        |    3 ++-
>  hw/ppc/spapr.c          |    3 ++-
>  hw/ppc/spapr_cpu_core.c |    3 ++-
>  include/hw/ppc/xics.h   |    4 ++++
>  6 files changed, 16 insertions(+), 8 deletions(-)
> 
> diff --git a/hw/intc/xics.c b/hw/intc/xics.c
> index ec73f02144c9..aa2c4e744f65 100644
> --- a/hw/intc/xics.c
> +++ b/hw/intc/xics.c
> @@ -346,9 +346,9 @@ static void icp_realize(DeviceState *dev, Error **errp)
>      Object *obj;
>      Error *err = NULL;
>  
> -    obj = object_property_get_link(OBJECT(dev), "xics", &err);
> +    obj = object_property_get_link(OBJECT(dev), ICP_PROP_XICS, &err);
>      if (!obj) {
> -        error_setg(errp, "%s: required link 'xics' not found: %s",
> +        error_setg(errp, "%s: required link '" ICP_PROP_XICS "' not found: 
> %s",
>                     __func__, error_get_pretty(err));
>          return;
>      }
> @@ -654,9 +654,9 @@ static void ics_base_realize(DeviceState *dev, Error 
> **errp)
>      Object *obj;
>      Error *err = NULL;
>  
> -    obj = object_property_get_link(OBJECT(dev), "xics", &err);
> +    obj = object_property_get_link(OBJECT(dev), ICS_PROP_XICS, &err);
>      if (!obj) {
> -        error_setg(errp, "%s: required link 'xics' not found: %s",
> +        error_setg(errp, "%s: required link '" ICS_PROP_XICS "' not found: 
> %s",
>                     __func__, error_get_pretty(err));
>          return;
>      }
> diff --git a/hw/ppc/pnv_core.c b/hw/ppc/pnv_core.c
> index e8a9a94d5a24..0b6e72950ca3 100644
> --- a/hw/ppc/pnv_core.c
> +++ b/hw/ppc/pnv_core.c
> @@ -121,7 +121,8 @@ static void pnv_core_realize_child(Object *child, 
> XICSFabric *xi, Error **errp)
>      obj = object_new(TYPE_PNV_ICP);
>      object_property_add_child(OBJECT(cpu), "icp", obj, &error_abort);
>      object_unref(obj);
> -    object_property_add_const_link(obj, "xics", OBJECT(xi), &error_abort);
> +    object_property_add_const_link(obj, ICP_PROP_XICS, OBJECT(xi),
> +                                   &error_abort);
>      object_property_set_bool(obj, true, "realized", &local_err);
>      if (local_err) {
>          error_propagate(errp, local_err);
> diff --git a/hw/ppc/pnv_psi.c b/hw/ppc/pnv_psi.c
> index 2bf5bfe3fdd6..9876c266223d 100644
> --- a/hw/ppc/pnv_psi.c
> +++ b/hw/ppc/pnv_psi.c
> @@ -474,7 +474,8 @@ static void pnv_psi_realize(DeviceState *dev, Error 
> **errp)
>      }
>  
>      /* Create PSI interrupt control source */
> -    object_property_add_const_link(OBJECT(ics), "xics", obj,  &error_abort);
> +    object_property_add_const_link(OBJECT(ics), ICS_PROP_XICS, obj,
> +                                   &error_abort);
>      object_property_set_int(OBJECT(ics), PSI_NUM_INTERRUPTS, "nr-irqs", 
> &err);
>      if (err) {
>          error_propagate(errp, err);
> diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
> index 01dda9ea9fb7..b2951d7618d6 100644
> --- a/hw/ppc/spapr.c
> +++ b/hw/ppc/spapr.c
> @@ -107,7 +107,8 @@ static ICSState *spapr_ics_create(sPAPRMachineState 
> *spapr,
>  
>      obj = object_new(type_ics);
>      object_property_add_child(OBJECT(spapr), "ics", obj, &error_abort);
> -    object_property_add_const_link(obj, "xics", OBJECT(spapr), &error_abort);
> +    object_property_add_const_link(obj, ICS_PROP_XICS, OBJECT(spapr),
> +                                   &error_abort);
>      object_property_set_int(obj, nr_irqs, "nr-irqs", &local_err);
>      if (local_err) {
>          goto error;
> diff --git a/hw/ppc/spapr_cpu_core.c b/hw/ppc/spapr_cpu_core.c
> index 029a14120edd..e81879c7cad7 100644
> --- a/hw/ppc/spapr_cpu_core.c
> +++ b/hw/ppc/spapr_cpu_core.c
> @@ -145,7 +145,8 @@ static void spapr_cpu_core_realize_child(Object *child, 
> Error **errp)
>      obj = object_new(spapr->icp_type);
>      object_property_add_child(OBJECT(cpu), "icp", obj, &error_abort);
>      object_unref(obj);
> -    object_property_add_const_link(obj, "xics", OBJECT(spapr), &error_abort);
> +    object_property_add_const_link(obj, ICP_PROP_XICS, OBJECT(spapr),
> +                                   &error_abort);
>      object_property_set_bool(obj, true, "realized", &local_err);
>      if (local_err) {
>          goto error;
> diff --git a/include/hw/ppc/xics.h b/include/hw/ppc/xics.h
> index 40a506eacfb4..31145326ebf9 100644
> --- a/include/hw/ppc/xics.h
> +++ b/include/hw/ppc/xics.h
> @@ -86,6 +86,8 @@ struct ICPState {
>      XICSFabric *xics;
>  };
>  
> +#define ICP_PROP_XICS "xics"
> +
>  struct PnvICPState {
>      ICPState parent_obj;
>  
> @@ -130,6 +132,8 @@ struct ICSState {
>      XICSFabric *xics;
>  };
>  
> +#define ICS_PROP_XICS "xics"
> +
>  static inline bool ics_valid_irq(ICSState *ics, uint32_t nr)
>  {
>      return (ics->offset != 0) && (nr >= ics->offset)
> 




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