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Re: [Qemu-devel] [PATCH v6 13/37] spapr: introduce a spapr_irq_init() ro


From: David Gibson
Subject: Re: [Qemu-devel] [PATCH v6 13/37] spapr: introduce a spapr_irq_init() routine
Date: Fri, 7 Dec 2018 15:04:08 +1100
User-agent: Mutt/1.10.1 (2018-07-13)

On Thu, Dec 06, 2018 at 12:22:27AM +0100, Cédric Le Goater wrote:
> Initialize the MSI bitmap from it as this will be necessary for the
> sPAPR IRQ backend for XIVE.
> 
> Signed-off-by: Cédric Le Goater <address@hidden>
> Reviewed-by: David Gibson <address@hidden>

This also stands on its own, so I've applied it.

> ---
>  include/hw/ppc/spapr_irq.h |  1 +
>  hw/ppc/spapr.c             |  2 +-
>  hw/ppc/spapr_irq.c         | 16 +++++++++++-----
>  3 files changed, 13 insertions(+), 6 deletions(-)
> 
> diff --git a/include/hw/ppc/spapr_irq.h b/include/hw/ppc/spapr_irq.h
> index a467ce696ee4..bd7301e6d9c6 100644
> --- a/include/hw/ppc/spapr_irq.h
> +++ b/include/hw/ppc/spapr_irq.h
> @@ -43,6 +43,7 @@ typedef struct sPAPRIrq {
>  extern sPAPRIrq spapr_irq_xics;
>  extern sPAPRIrq spapr_irq_xics_legacy;
>  
> +void spapr_irq_init(sPAPRMachineState *spapr, Error **errp);
>  int spapr_irq_claim(sPAPRMachineState *spapr, int irq, bool lsi, Error 
> **errp);
>  void spapr_irq_free(sPAPRMachineState *spapr, int irq, int num);
>  qemu_irq spapr_qirq(sPAPRMachineState *spapr, int irq);
> diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
> index 50cb9f9f4a02..e470efe7993c 100644
> --- a/hw/ppc/spapr.c
> +++ b/hw/ppc/spapr.c
> @@ -2594,7 +2594,7 @@ static void spapr_machine_init(MachineState *machine)
>      spapr_set_vsmt_mode(spapr, &error_fatal);
>  
>      /* Set up Interrupt Controller before we create the VCPUs */
> -    smc->irq->init(spapr, &error_fatal);
> +    spapr_irq_init(spapr, &error_fatal);
>  
>      /* Set up containers for ibm,client-architecture-support negotiated 
> options
>       */
> diff --git a/hw/ppc/spapr_irq.c b/hw/ppc/spapr_irq.c
> index e77b94cc685e..f8b651de0ec9 100644
> --- a/hw/ppc/spapr_irq.c
> +++ b/hw/ppc/spapr_irq.c
> @@ -97,11 +97,6 @@ static void spapr_irq_init_xics(sPAPRMachineState *spapr, 
> Error **errp)
>      int nr_irqs = smc->irq->nr_irqs;
>      Error *local_err = NULL;
>  
> -    /* Initialize the MSI IRQ allocator. */
> -    if (!SPAPR_MACHINE_GET_CLASS(spapr)->legacy_irq_allocation) {
> -        spapr_irq_msi_init(spapr, smc->irq->nr_msis);
> -    }
> -
>      if (kvm_enabled()) {
>          if (machine_kernel_irqchip_allowed(machine) &&
>              !xics_kvm_init(spapr, &local_err)) {
> @@ -213,6 +208,17 @@ sPAPRIrq spapr_irq_xics = {
>  /*
>   * sPAPR IRQ frontend routines for devices
>   */
> +void spapr_irq_init(sPAPRMachineState *spapr, Error **errp)
> +{
> +    sPAPRMachineClass *smc = SPAPR_MACHINE_GET_CLASS(spapr);
> +
> +    /* Initialize the MSI IRQ allocator. */
> +    if (!SPAPR_MACHINE_GET_CLASS(spapr)->legacy_irq_allocation) {
> +        spapr_irq_msi_init(spapr, smc->irq->nr_msis);
> +    }
> +
> +    smc->irq->init(spapr, errp);
> +}
>  
>  int spapr_irq_claim(sPAPRMachineState *spapr, int irq, bool lsi, Error 
> **errp)
>  {

-- 
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

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