Displaying 3 results from an estimated 3 matches for "config_virtio_mmio_op".
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config_virtio_mmio_ops
2020 Apr 30
0
[RFC/PATCH 1/1] virtio: Introduce MMIO ops
On Thu, Apr 30, 2020 at 04:04:46PM +0530, Srivatsa Vaddagiri wrote:
> * Will Deacon <will at kernel.org> [2020-04-30 11:14:32]:
>
> > > +#ifdef CONFIG_VIRTIO_MMIO_OPS
> > >
> > > +static struct virtio_mmio_ops *mmio_ops;
> > > +
> > > +#define virtio_readb(a) mmio_ops->mmio_readl((a))
> > > +#define virtio_readw(a) mmio_ops->mmio_readl((a))
> > > +#define virtio_readl(a) mmio_ops->mmio_readl((a...
2020 Apr 30
0
[RFC/PATCH 1/1] virtio: Introduce MMIO ops
...ff --git a/drivers/virtio/virtio_mmio.c b/drivers/virtio/virtio_mmio.c
> index 97d5725..69bfa35 100644
> --- a/drivers/virtio/virtio_mmio.c
> +++ b/drivers/virtio/virtio_mmio.c
> @@ -100,7 +100,35 @@ struct virtio_mmio_vq_info {
> struct list_head node;
> };
>
> +#ifdef CONFIG_VIRTIO_MMIO_OPS
>
> +static struct virtio_mmio_ops *mmio_ops;
> +
> +#define virtio_readb(a) mmio_ops->mmio_readl((a))
> +#define virtio_readw(a) mmio_ops->mmio_readl((a))
> +#define virtio_readl(a) mmio_ops->mmio_readl((a))
> +#define virtio_writeb(val, a) mmio_ops->mmio_wri...
2020 Apr 30
0
[RFC/PATCH 1/1] virtio: Introduce MMIO ops
On 30.04.20 13:11, Srivatsa Vaddagiri wrote:
> * Will Deacon <will at kernel.org> [2020-04-30 11:41:50]:
>
>> On Thu, Apr 30, 2020 at 04:04:46PM +0530, Srivatsa Vaddagiri wrote:
>>> If CONFIG_VIRTIO_MMIO_OPS is defined, then I expect this to be unconditionally
>>> set to 'magic_qcom_ops' that uses hypervisor-supported interface for IO (for
>>> example: message_queue_send() and message_queue_recevie() hypercalls).
>>
>> Hmm, but then how would such a kernel work as...