diff mbox series

[v5,08/17] spapr_irq: Expose the phandle of the interrupt controller

Message ID 155059669374.1466090.12943228478046223856.stgit@bahia.lab.toulouse-stg.fr.ibm.com
State New
Headers show
Series spapr: Add support for PHB hotplug | expand

Commit Message

Greg Kurz Feb. 19, 2019, 5:18 p.m. UTC
This will be used by PHB hotplug in order to create the "interrupt-map"
property of the PHB node.

Signed-off-by: Greg Kurz <groug@kaod.org>
---
v5: - return phandle by value
v4: - return phandle via a pointer
---
 hw/ppc/spapr_irq.c         |   21 +++++++++++++++++++++
 include/hw/ppc/spapr_irq.h |    1 +
 2 files changed, 22 insertions(+)

Comments

David Gibson Feb. 20, 2019, 3:25 a.m. UTC | #1
On Tue, Feb 19, 2019 at 06:18:13PM +0100, Greg Kurz wrote:
> This will be used by PHB hotplug in order to create the "interrupt-map"
> property of the PHB node.
> 
> Signed-off-by: Greg Kurz <groug@kaod.org>

Applied, thanks.

> ---
> v5: - return phandle by value
> v4: - return phandle via a pointer
> ---
>  hw/ppc/spapr_irq.c         |   21 +++++++++++++++++++++
>  include/hw/ppc/spapr_irq.h |    1 +
>  2 files changed, 22 insertions(+)
> 
> diff --git a/hw/ppc/spapr_irq.c b/hw/ppc/spapr_irq.c
> index 359761494c6e..4145079d7fa5 100644
> --- a/hw/ppc/spapr_irq.c
> +++ b/hw/ppc/spapr_irq.c
> @@ -638,6 +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
>   */
> diff --git a/include/hw/ppc/spapr_irq.h b/include/hw/ppc/spapr_irq.h
> index 8bf1a7291966..ec1ee64fa62b 100644
> --- a/include/hw/ppc/spapr_irq.h
> +++ b/include/hw/ppc/spapr_irq.h
> @@ -61,6 +61,7 @@ void spapr_irq_free(sPAPRMachineState *spapr, int irq, int num);
>  qemu_irq spapr_qirq(sPAPRMachineState *spapr, int irq);
>  int spapr_irq_post_load(sPAPRMachineState *spapr, int version_id);
>  void spapr_irq_reset(sPAPRMachineState *spapr, Error **errp);
> +int spapr_irq_get_phandle(sPAPRMachineState *spapr, void *fdt, Error **errp);
>  
>  /*
>   * XICS legacy routines
>
diff mbox series

Patch

diff --git a/hw/ppc/spapr_irq.c b/hw/ppc/spapr_irq.c
index 359761494c6e..4145079d7fa5 100644
--- a/hw/ppc/spapr_irq.c
+++ b/hw/ppc/spapr_irq.c
@@ -638,6 +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
  */
diff --git a/include/hw/ppc/spapr_irq.h b/include/hw/ppc/spapr_irq.h
index 8bf1a7291966..ec1ee64fa62b 100644
--- a/include/hw/ppc/spapr_irq.h
+++ b/include/hw/ppc/spapr_irq.h
@@ -61,6 +61,7 @@  void spapr_irq_free(sPAPRMachineState *spapr, int irq, int num);
 qemu_irq spapr_qirq(sPAPRMachineState *spapr, int irq);
 int spapr_irq_post_load(sPAPRMachineState *spapr, int version_id);
 void spapr_irq_reset(sPAPRMachineState *spapr, Error **errp);
+int spapr_irq_get_phandle(sPAPRMachineState *spapr, void *fdt, Error **errp);
 
 /*
  * XICS legacy routines