Displaying 7 results from an estimated 7 matches similar to: "[PATCH V2 3/6] vDPA: implement IRQ offloading helpers in vDPA core"
2020 Jul 20
0
[PATCH V2 3/6] vDPA: implement IRQ offloading helpers in vDPA core
On 2020/7/20 ??5:07, Zhu, Lingshan wrote:
>>>
>>> +}
>>> +
>>> +static void vdpa_unsetup_irq(struct vdpa_device *vdev, int qid)
>>> +{
>>> +??? struct vdpa_driver *drv = drv_to_vdpa(vdev->dev.driver);
>>> +
>>> +??? if (drv->unsetup_vq_irq)
>>> +??????? drv->unsetup_vq_irq(vdev, qid);
>>
>>
2020 Jul 17
0
[PATCH V2 3/6] vDPA: implement IRQ offloading helpers in vDPA core
On 2020/7/16 ??7:23, Zhu Lingshan wrote:
> This commit implements IRQ offloading helpers
Let's say "vq irq allocate/free helpers" here.
> in vDPA core by
> introducing two couple of functions:
>
> vdpa_alloc_vq_irq() and vdpa_free_vq_irq(): request irq and free
> irq, will setup irq offloading.
>
> vdpa_setup_irq() and vdpa_unsetup_irq(): supportive
2020 Jul 13
0
[PATCH 4/7] vDPA: implement IRQ offloading helpers in vDPA core
On 2020/7/12 ??10:49, Zhu Lingshan wrote:
> This commit implements IRQ offloading helpers in vDPA core by
> introducing two couple of functions:
>
> vdpa_alloc_vq_irq() and vdpa_free_vq_irq(): request irq and free
> irq, will setup irq offloading if irq_bypass is enabled.
>
> vdpa_setup_irq() and vdpa_unsetup_irq(): supportive functions,
> will call vhost_vdpa helpers.
>
2020 Jul 23
0
[PATCH V3 3/6] vDPA: implement vq IRQ allocate/free helpers in vDPA core
On 2020/7/22 ??6:08, Zhu Lingshan wrote:
> +/*
> + * Request irq for a vq, setup irq offloading if its a vhost_vdpa vq.
> + * This function should be only called through setting virtio DRIVER_OK.
> + * If you want to request irq during probe, you should use raw APIs
> + * like request_irq() or devm_request_irq().
This makes the API less flexibile. The reason is we store the irq in
2020 Jul 13
0
[PATCH 5/7] virtio_vdpa: init IRQ offloading function pointers to NULL.
On 2020/7/12 ??10:49, Zhu Lingshan wrote:
> This commit initialize IRQ offloading function pointers in
> virtio_vdpa_driver to NULL. Becasue irq offloading only focus
> on VMs for vhost_vdpa.
>
> Signed-off-by: Zhu Lingshan <lingshan.zhu at intel.com>
> ---
> drivers/virtio/virtio_vdpa.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git
2020 Jul 15
0
[PATCH 5/7] virtio_vdpa: init IRQ offloading function pointers to NULL.
On 2020/7/13 ??6:20, Zhu, Lingshan wrote:
>
>
> On 7/13/2020 4:28 PM, Jason Wang wrote:
>>
>> On 2020/7/12 ??10:49, Zhu Lingshan wrote:
>>> This commit initialize IRQ offloading function pointers in
>>> virtio_vdpa_driver to NULL. Becasue irq offloading only focus
>>> on VMs for vhost_vdpa.
>>>
>>> Signed-off-by: Zhu Lingshan
2020 Jul 17
0
[PATCH V2 4/6] vhost_vdpa: implement IRQ offloading in vhost_vdpa
On 2020/7/16 ??7:23, Zhu Lingshan wrote:
> This patch introduce a set of functions for setup/unsetup
> and update irq offloading respectively by register/unregister
> and re-register the irq_bypass_producer.
>
> Signed-off-by: Zhu Lingshan <lingshan.zhu at intel.com>
> Suggested-by: Jason Wang <jasowang at redhat.com>
> ---
> drivers/vhost/Kconfig | 1 +
>