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Re: [Qemu-devel] [PATCH v6 08/11] mptsas: change msi property type


From: Markus Armbruster
Subject: Re: [Qemu-devel] [PATCH v6 08/11] mptsas: change msi property type
Date: Wed, 01 Jun 2016 10:43:47 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux)

Cao jin <address@hidden> writes:

>>From uint32 to enum OnOffAuto, and give it a shorter name.
>
> cc: Paolo Bonzini <address@hidden>
> cc: Michael S. Tsirkin <address@hidden>
> cc: Markus Armbruster <address@hidden>
> cc: Marcel Apfelbaum <address@hidden>
>
> Signed-off-by: Cao jin <address@hidden>
> ---
>  hw/scsi/mptsas.c | 4 ++--
>  hw/scsi/mptsas.h | 3 ++-
>  2 files changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/hw/scsi/mptsas.c b/hw/scsi/mptsas.c
> index 1c18c84..afee576 100644
> --- a/hw/scsi/mptsas.c
> +++ b/hw/scsi/mptsas.c
> @@ -1285,7 +1285,7 @@ static void mptsas_scsi_realize(PCIDevice *dev, Error 
> **errp)
>      memory_region_init_io(&s->diag_io, OBJECT(s), &mptsas_diag_ops, s,
>                            "mptsas-diag", 0x10000);
>  
> -    if (s->msi_available &&
> +    if ((s->msi == ON_OFF_AUTO_AUTO || s->msi == ON_OFF_AUTO_ON) &&
>          msi_init(dev, 0, 1, true, false) >= 0) {
>          s->msi_in_use = true;
>      }

Same suggestions as for PATCH 06:

* Use the s->msi != ON_OFF_AUTO_OFF
* Add /* TODO check for errors */ now, drop it when you add the check in
  PATCH 11.

> @@ -1404,7 +1404,7 @@ static const VMStateDescription vmstate_mptsas = {
>  static Property mptsas_properties[] = {
>      DEFINE_PROP_UINT64("sas_address", MPTSASState, sas_addr, 0),
>      /* TODO: test MSI support under Windows */
> -    DEFINE_PROP_BIT("msi", MPTSASState, msi_available, 0, true),
> +    DEFINE_PROP_ON_OFF_AUTO("msi", MPTSASState, msi, ON_OFF_AUTO_AUTO),
>      DEFINE_PROP_END_OF_LIST(),
>  };
>  
> diff --git a/hw/scsi/mptsas.h b/hw/scsi/mptsas.h
> index 595f81f..0436a33 100644
> --- a/hw/scsi/mptsas.h
> +++ b/hw/scsi/mptsas.h
> @@ -27,7 +27,8 @@ struct MPTSASState {
>      MemoryRegion diag_io;
>      QEMUBH *request_bh;
>  
> -    uint32_t msi_available;
> +    /* properties */
> +    OnOffAuto msi;
>      uint64_t sas_addr;
>  
>      bool msi_in_use;



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