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Re: [Qemu-devel] [PATCH 3/3] spapr: make irq customizable via qdev
From: |
David Gibson |
Subject: |
Re: [Qemu-devel] [PATCH 3/3] spapr: make irq customizable via qdev |
Date: |
Wed, 25 May 2011 08:14:41 +1000 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Tue, May 24, 2011 at 01:45:07PM +0200, Paolo Bonzini wrote:
> Signed-off-by: Paolo Bonzini <address@hidden>
> Cc: Alexander Graf <address@hidden>
> Cc: David Gibson <address@hidden>
> ---
> hw/spapr_vio.c | 8 +++++++-
> 1 files changed, 7 insertions(+), 1 deletions(-)
>
> diff --git a/hw/spapr_vio.c b/hw/spapr_vio.c
> index be535d6..fee4c46 100644
> --- a/hw/spapr_vio.c
> +++ b/hw/spapr_vio.c
> @@ -52,6 +52,10 @@
> static struct BusInfo spapr_vio_bus_info = {
> .name = "spapr-vio",
> .size = sizeof(VIOsPAPRBus),
> + .props = (Property[]) {
> + DEFINE_PROP_UINT32("irq", VIOsPAPRDevice, vio_irq_num, 0), \
> + DEFINE_PROP_END_OF_LIST(),
> + },
> };
I don't see what the point of this is. Absolute irq numbers have no
special meaning in the XICS context, and the guest kernel will remap
them to virtual irqs anyway.
> VIOsPAPRDevice *spapr_vio_find_by_reg(VIOsPAPRBus *bus, uint32_t reg)
> @@ -604,7 +608,9 @@ static int spapr_vio_busdev_init(DeviceState *qdev,
> DeviceInfo *qinfo)
> }
>
> dev->qdev.id = id;
> - dev->vio_irq_num = bus->irq++;
> + if (!dev->vio_irq_num) {
> + dev->vio_irq_num = bus->irq++;
> + }
> dev->qirq = xics_find_qirq(spapr->icp, dev->vio_irq_num);
>
> rtce_init(dev);
--
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
[Qemu-devel] [PATCH 2/3] spapr: prepare for qdevification of irq, Paolo Bonzini, 2011/05/24
[Qemu-devel] [PATCH 3/3] spapr: make irq customizable via qdev, Paolo Bonzini, 2011/05/24
Re: [Qemu-devel] [PATCH 0/3] spapr qdevification, Markus Armbruster, 2011/05/24