From: Zhu Lingshan <lingshan.zhu@intel.com>
To: jasowang@redhat.com, alex.williamson@redhat.com, mst@redhat.com,
pbonzini@redhat.com, sean.j.christopherson@intel.com,
wanpengli@tencent.com
Cc: virtualization@lists.linux-foundation.org,
netdev@vger.kernel.org, kvm@vger.kernel.org, eli@mellanox.com,
shahafs@mellanox.com, parav@mellanox.com,
Zhu Lingshan <lingshan.zhu@intel.com>
Subject: [PATCH V4 3/6] vDPA: add get_vq_irq() in vdpa_config_ops
Date: Tue, 28 Jul 2020 12:24:02 +0800 [thread overview]
Message-ID: <20200728042405.17579-4-lingshan.zhu@intel.com> (raw)
In-Reply-To: <20200728042405.17579-1-lingshan.zhu@intel.com>
This commit adds a new function get_vq_irq() in struct
vdpa_config_ops, which will return the irq number of a
virtqueue.
Signed-off-by: Zhu Lingshan <lingshan.zhu@intel.com>
Suggested-by: Jason Wang <jasowang@redhat.com>
---
include/linux/vdpa.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/include/linux/vdpa.h b/include/linux/vdpa.h
index 239db794357c..cebc79173aaa 100644
--- a/include/linux/vdpa.h
+++ b/include/linux/vdpa.h
@@ -87,6 +87,11 @@ struct vdpa_device {
* @vdev: vdpa device
* @idx: virtqueue index
* Returns the notifcation area
+ * @get_vq_irq: Get the irq number of a virtqueue
+ * @vdev: vdpa device
+ * @idx: virtqueue index
+ * Returns u32: irq number of a virtqueue,
+ * -EINVAL if no irq assigned.
* @get_vq_align: Get the virtqueue align requirement
* for the device
* @vdev: vdpa device
@@ -178,6 +183,7 @@ struct vdpa_config_ops {
u64 (*get_vq_state)(struct vdpa_device *vdev, u16 idx);
struct vdpa_notification_area
(*get_vq_notification)(struct vdpa_device *vdev, u16 idx);
+ u32 (*get_vq_irq)(struct vdpa_device *vdv, u16 idx);
/* Device ops */
u32 (*get_vq_align)(struct vdpa_device *vdev);
--
2.18.4
next prev parent reply other threads:[~2020-07-28 4:28 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-28 4:23 [PATCH V4 0/6] IRQ offloading for vDPA Zhu Lingshan
2020-07-28 4:24 ` [PATCH V4 1/6] vhost: introduce vhost_vring_call Zhu Lingshan
2020-07-28 4:24 ` [PATCH V4 2/6] kvm: detect assigned device via irqbypass manager Zhu Lingshan
2020-07-28 4:24 ` Zhu Lingshan [this message]
2020-07-28 7:42 ` [PATCH V4 3/6] vDPA: add get_vq_irq() in vdpa_config_ops Jason Wang
2020-07-28 4:24 ` [PATCH V4 4/6] vhost_vdpa: implement IRQ offloading in vhost_vdpa Zhu Lingshan
2020-07-28 7:53 ` Jason Wang
[not found] ` <f3e375da-3aa8-7a0c-237c-25943667a535@intel.com>
2020-07-28 10:29 ` Jason Wang
2020-07-28 9:04 ` Eli Cohen
2020-07-29 9:21 ` Jason Wang
2020-07-29 9:55 ` Eli Cohen
2020-07-29 10:19 ` Jason Wang
2020-07-29 11:13 ` Eli Cohen
2020-07-29 14:15 ` Eli Cohen
2020-07-31 3:11 ` Jason Wang
2020-07-28 4:24 ` [PATCH V4 5/6] ifcvf: implement vdpa_config_ops.get_vq_irq() Zhu Lingshan
2020-07-28 4:24 ` [PATCH V4 6/6] irqbypass: do not start cons/prod when failed connect Zhu Lingshan
2020-07-31 3:18 ` [PATCH V4 0/6] IRQ offloading for vDPA Jason Wang
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