Displaying 20 results from an estimated 69 matches for "vp_config_changed".
2014 Apr 19
1
RFC: sharing config interrupt between virtio devices for saving MSI
...101db3f..176aabc 100644
--- a/drivers/virtio/virtio_pci.c
+++ b/drivers/virtio/virtio_pci.c
@@ -259,9 +259,9 @@ static irqreturn_t vp_interrupt(int irq, void
*opaque)
/* Configuration change? Tell driver if it wants to know. */
if (isr & VIRTIO_PCI_ISR_CONFIG)
- vp_config_changed(irq, opaque);
-
- return vp_vring_interrupt(irq, opaque);
+ return vp_config_changed(irq, opaque);
+ else
+ return vp_vring_interrupt(irq, opaque);
}
static void vp_free_vectors(struct virtio_device *vdev)
--
Amos.
-------------- next part ----------...
2014 Apr 19
1
RFC: sharing config interrupt between virtio devices for saving MSI
...101db3f..176aabc 100644
--- a/drivers/virtio/virtio_pci.c
+++ b/drivers/virtio/virtio_pci.c
@@ -259,9 +259,9 @@ static irqreturn_t vp_interrupt(int irq, void
*opaque)
/* Configuration change? Tell driver if it wants to know. */
if (isr & VIRTIO_PCI_ISR_CONFIG)
- vp_config_changed(irq, opaque);
-
- return vp_vring_interrupt(irq, opaque);
+ return vp_config_changed(irq, opaque);
+ else
+ return vp_vring_interrupt(irq, opaque);
}
static void vp_free_vectors(struct virtio_device *vdev)
--
Amos.
-------------- next part ----------...
2009 May 07
1
[PATCH 2/3] virtio_pci: split up vp_interrupt
...vers/virtio/virtio_pci.c
+++ b/drivers/virtio/virtio_pci.c
@@ -164,6 +164,37 @@ static void vp_notify(struct virtqueue *vq)
iowrite16(info->queue_index, vp_dev->ioaddr + VIRTIO_PCI_QUEUE_NOTIFY);
}
+/* Handle a configuration change: Tell driver if it wants to know. */
+static irqreturn_t vp_config_changed(int irq, void *opaque)
+{
+ struct virtio_pci_device *vp_dev = opaque;
+ struct virtio_driver *drv;
+ drv = container_of(vp_dev->vdev.dev.driver,
+ struct virtio_driver, driver);
+
+ if (drv && drv->config_changed)
+ drv->config_changed(&vp_dev->vdev);
+ return IRQ_HAN...
2009 May 07
1
[PATCH 2/3] virtio_pci: split up vp_interrupt
...vers/virtio/virtio_pci.c
+++ b/drivers/virtio/virtio_pci.c
@@ -164,6 +164,37 @@ static void vp_notify(struct virtqueue *vq)
iowrite16(info->queue_index, vp_dev->ioaddr + VIRTIO_PCI_QUEUE_NOTIFY);
}
+/* Handle a configuration change: Tell driver if it wants to know. */
+static irqreturn_t vp_config_changed(int irq, void *opaque)
+{
+ struct virtio_pci_device *vp_dev = opaque;
+ struct virtio_driver *drv;
+ drv = container_of(vp_dev->vdev.dev.driver,
+ struct virtio_driver, driver);
+
+ if (drv && drv->config_changed)
+ drv->config_changed(&vp_dev->vdev);
+ return IRQ_HAN...
2014 Sep 01
3
[PATCH RFC] virtio-pci: share config interrupt between virtio devices
...->msix_used_vectors;
- snprintf(vp_dev->msix_names[v], sizeof *vp_dev->msix_names,
+ /* Set shared IRQ for configuration */
+ snprintf(vp_dev->config_msix_name, sizeof(*vp_dev->msix_names),
"%s-config", name);
- err = request_irq(vp_dev->msix_entries[v].vector,
- vp_config_changed, 0, vp_dev->msix_names[v],
+ err = request_irq(vp_dev->pci_dev->irq,
+ vp_config_changed,
+ IRQF_SHARED,
+ vp_dev->config_msix_name,
vp_dev);
- if (err)
- goto error;
- ++vp_dev->msix_used_vectors;
-
- iowrite16(v, vp_dev->ioaddr + VIRTIO_MSI_CONFIG_VECTOR);
- /...
2014 Sep 01
3
[PATCH RFC] virtio-pci: share config interrupt between virtio devices
...->msix_used_vectors;
- snprintf(vp_dev->msix_names[v], sizeof *vp_dev->msix_names,
+ /* Set shared IRQ for configuration */
+ snprintf(vp_dev->config_msix_name, sizeof(*vp_dev->msix_names),
"%s-config", name);
- err = request_irq(vp_dev->msix_entries[v].vector,
- vp_config_changed, 0, vp_dev->msix_names[v],
+ err = request_irq(vp_dev->pci_dev->irq,
+ vp_config_changed,
+ IRQF_SHARED,
+ vp_dev->config_msix_name,
vp_dev);
- if (err)
- goto error;
- ++vp_dev->msix_used_vectors;
-
- iowrite16(v, vp_dev->ioaddr + VIRTIO_MSI_CONFIG_VECTOR);
- /...
2014 Sep 01
1
[PATCH RFC] virtio-pci: share config interrupt between virtio devices
..._names[v], sizeof *vp_dev->msix_names,
> > + /* Set shared IRQ for configuration */
> > + snprintf(vp_dev->config_msix_name, sizeof(*vp_dev->msix_names),
> > "%s-config", name);
> > - err = request_irq(vp_dev->msix_entries[v].vector,
> > - vp_config_changed, 0, vp_dev->msix_names[v],
> > + err = request_irq(vp_dev->pci_dev->irq,
> > + vp_config_changed,
> > + IRQF_SHARED,
> > + vp_dev->config_msix_name,
> > vp_dev);
> > - if (err)
> > - goto error;
> > - ++vp_dev->msix_u...
2014 Sep 01
1
[PATCH RFC] virtio-pci: share config interrupt between virtio devices
..._names[v], sizeof *vp_dev->msix_names,
> > + /* Set shared IRQ for configuration */
> > + snprintf(vp_dev->config_msix_name, sizeof(*vp_dev->msix_names),
> > "%s-config", name);
> > - err = request_irq(vp_dev->msix_entries[v].vector,
> > - vp_config_changed, 0, vp_dev->msix_names[v],
> > + err = request_irq(vp_dev->pci_dev->irq,
> > + vp_config_changed,
> > + IRQF_SHARED,
> > + vp_dev->config_msix_name,
> > vp_dev);
> > - if (err)
> > - goto error;
> > - ++vp_dev->msix_u...
2009 Apr 27
0
[PATCH 7/8] virtio_pci: split up vp_interrupt
...vers/virtio/virtio_pci.c
+++ b/drivers/virtio/virtio_pci.c
@@ -164,6 +164,37 @@ static void vp_notify(struct virtqueue *vq)
iowrite16(info->queue_index, vp_dev->ioaddr + VIRTIO_PCI_QUEUE_NOTIFY);
}
+/* Handle a configuration change: Tell driver if it wants to know. */
+static irqreturn_t vp_config_changed(int irq, void *opaque)
+{
+ struct virtio_pci_device *vp_dev = opaque;
+ struct virtio_driver *drv;
+ drv = container_of(vp_dev->vdev.dev.driver,
+ struct virtio_driver, driver);
+
+ if (drv && drv->config_changed)
+ drv->config_changed(&vp_dev->vdev);
+ return IRQ_HAN...
2009 May 13
0
[PATCHv5 2/3] virtio_pci: split up vp_interrupt
...vers/virtio/virtio_pci.c
+++ b/drivers/virtio/virtio_pci.c
@@ -164,6 +164,37 @@ static void vp_notify(struct virtqueue *vq)
iowrite16(info->queue_index, vp_dev->ioaddr + VIRTIO_PCI_QUEUE_NOTIFY);
}
+/* Handle a configuration change: Tell driver if it wants to know. */
+static irqreturn_t vp_config_changed(int irq, void *opaque)
+{
+ struct virtio_pci_device *vp_dev = opaque;
+ struct virtio_driver *drv;
+ drv = container_of(vp_dev->vdev.dev.driver,
+ struct virtio_driver, driver);
+
+ if (drv && drv->config_changed)
+ drv->config_changed(&vp_dev->vdev);
+ return IRQ_HAN...
2009 May 14
0
[PATCHv6 3/4] virtio_pci: split up vp_interrupt
...vers/virtio/virtio_pci.c
+++ b/drivers/virtio/virtio_pci.c
@@ -164,6 +164,37 @@ static void vp_notify(struct virtqueue *vq)
iowrite16(info->queue_index, vp_dev->ioaddr + VIRTIO_PCI_QUEUE_NOTIFY);
}
+/* Handle a configuration change: Tell driver if it wants to know. */
+static irqreturn_t vp_config_changed(int irq, void *opaque)
+{
+ struct virtio_pci_device *vp_dev = opaque;
+ struct virtio_driver *drv;
+ drv = container_of(vp_dev->vdev.dev.driver,
+ struct virtio_driver, driver);
+
+ if (drv && drv->config_changed)
+ drv->config_changed(&vp_dev->vdev);
+ return IRQ_HAN...
2009 Apr 27
0
[PATCH 7/8] virtio_pci: split up vp_interrupt
...vers/virtio/virtio_pci.c
+++ b/drivers/virtio/virtio_pci.c
@@ -164,6 +164,37 @@ static void vp_notify(struct virtqueue *vq)
iowrite16(info->queue_index, vp_dev->ioaddr + VIRTIO_PCI_QUEUE_NOTIFY);
}
+/* Handle a configuration change: Tell driver if it wants to know. */
+static irqreturn_t vp_config_changed(int irq, void *opaque)
+{
+ struct virtio_pci_device *vp_dev = opaque;
+ struct virtio_driver *drv;
+ drv = container_of(vp_dev->vdev.dev.driver,
+ struct virtio_driver, driver);
+
+ if (drv && drv->config_changed)
+ drv->config_changed(&vp_dev->vdev);
+ return IRQ_HAN...
2009 May 13
0
[PATCHv5 2/3] virtio_pci: split up vp_interrupt
...vers/virtio/virtio_pci.c
+++ b/drivers/virtio/virtio_pci.c
@@ -164,6 +164,37 @@ static void vp_notify(struct virtqueue *vq)
iowrite16(info->queue_index, vp_dev->ioaddr + VIRTIO_PCI_QUEUE_NOTIFY);
}
+/* Handle a configuration change: Tell driver if it wants to know. */
+static irqreturn_t vp_config_changed(int irq, void *opaque)
+{
+ struct virtio_pci_device *vp_dev = opaque;
+ struct virtio_driver *drv;
+ drv = container_of(vp_dev->vdev.dev.driver,
+ struct virtio_driver, driver);
+
+ if (drv && drv->config_changed)
+ drv->config_changed(&vp_dev->vdev);
+ return IRQ_HAN...
2009 May 14
0
[PATCHv6 3/4] virtio_pci: split up vp_interrupt
...vers/virtio/virtio_pci.c
+++ b/drivers/virtio/virtio_pci.c
@@ -164,6 +164,37 @@ static void vp_notify(struct virtqueue *vq)
iowrite16(info->queue_index, vp_dev->ioaddr + VIRTIO_PCI_QUEUE_NOTIFY);
}
+/* Handle a configuration change: Tell driver if it wants to know. */
+static irqreturn_t vp_config_changed(int irq, void *opaque)
+{
+ struct virtio_pci_device *vp_dev = opaque;
+ struct virtio_driver *drv;
+ drv = container_of(vp_dev->vdev.dev.driver,
+ struct virtio_driver, driver);
+
+ if (drv && drv->config_changed)
+ drv->config_changed(&vp_dev->vdev);
+ return IRQ_HAN...
2014 Sep 01
0
[PATCH RFC] virtio-pci: share config interrupt between virtio devices
...snprintf(vp_dev->msix_names[v], sizeof *vp_dev->msix_names,
> + /* Set shared IRQ for configuration */
> + snprintf(vp_dev->config_msix_name, sizeof(*vp_dev->msix_names),
> "%s-config", name);
> - err = request_irq(vp_dev->msix_entries[v].vector,
> - vp_config_changed, 0, vp_dev->msix_names[v],
> + err = request_irq(vp_dev->pci_dev->irq,
> + vp_config_changed,
> + IRQF_SHARED,
> + vp_dev->config_msix_name,
> vp_dev);
> - if (err)
> - goto error;
> - ++vp_dev->msix_used_vectors;
> -
> - iowrite16(v,...
2009 Jul 23
0
[PATCH 2/2] virtio: retry on vector assignment failure
...vectors = err;
- vp_dev->msix_enabled = 1;
-
- /* Set the vector used for configuration */
- v = vp_dev->msix_used_vectors;
- snprintf(vp_dev->msix_names[v], sizeof *vp_dev->msix_names,
- "%s-config", name);
- err = request_irq(vp_dev->msix_entries[v].vector,
- vp_config_changed, 0, vp_dev->msix_names[v],
- vp_dev);
- if (err)
- goto error;
- ++vp_dev->msix_used_vectors;
+ err = pci_enable_msix(vp_dev->pci_dev, vp_dev->msix_entries, nvectors);
+ if (err > 0)
+ err = -ENOSPC;
+ if (err)
+ goto error;
+ vp_dev->msix_vectors = nvectors;
+ vp_dev-&...
2009 Jul 23
0
[PATCH 2/2] virtio: retry on vector assignment failure
...vectors = err;
- vp_dev->msix_enabled = 1;
-
- /* Set the vector used for configuration */
- v = vp_dev->msix_used_vectors;
- snprintf(vp_dev->msix_names[v], sizeof *vp_dev->msix_names,
- "%s-config", name);
- err = request_irq(vp_dev->msix_entries[v].vector,
- vp_config_changed, 0, vp_dev->msix_names[v],
- vp_dev);
- if (err)
- goto error;
- ++vp_dev->msix_used_vectors;
+ err = pci_enable_msix(vp_dev->pci_dev, vp_dev->msix_entries, nvectors);
+ if (err > 0)
+ err = -ENOSPC;
+ if (err)
+ goto error;
+ vp_dev->msix_vectors = nvectors;
+ vp_dev-&...
2009 Jul 23
0
qemu-kvm missing some msix capability check
...nabled = 1;
> -
> - /* Set the vector used for configuration */
> - v = vp_dev->msix_used_vectors;
> - snprintf(vp_dev->msix_names[v], sizeof *vp_dev->msix_names,
> - "%s-config", name);
> - err = request_irq(vp_dev->msix_entries[v].vector,
> - vp_config_changed, 0, vp_dev->msix_names[v],
> - vp_dev);
> - if (err)
> - goto error_irq;
> - ++vp_dev->msix_used_vectors;
> -
> - iowrite16(v, vp_dev->ioaddr + VIRTIO_MSI_CONFIG_VECTOR);
> - /* Verify we had enough resources to assign the vector */
> - v = ioread16(vp_d...
2009 Jul 23
0
qemu-kvm missing some msix capability check
...nabled = 1;
> -
> - /* Set the vector used for configuration */
> - v = vp_dev->msix_used_vectors;
> - snprintf(vp_dev->msix_names[v], sizeof *vp_dev->msix_names,
> - "%s-config", name);
> - err = request_irq(vp_dev->msix_entries[v].vector,
> - vp_config_changed, 0, vp_dev->msix_names[v],
> - vp_dev);
> - if (err)
> - goto error_irq;
> - ++vp_dev->msix_used_vectors;
> -
> - iowrite16(v, vp_dev->ioaddr + VIRTIO_MSI_CONFIG_VECTOR);
> - /* Verify we had enough resources to assign the vector */
> - v = ioread16(vp_d...
2009 Jul 26
0
[PATCHv3 2/2] virtio: refactor find_vqs
...vectors = err;
- vp_dev->msix_enabled = 1;
-
- /* Set the vector used for configuration */
- v = vp_dev->msix_used_vectors;
- snprintf(vp_dev->msix_names[v], sizeof *vp_dev->msix_names,
- "%s-config", name);
- err = request_irq(vp_dev->msix_entries[v].vector,
- vp_config_changed, 0, vp_dev->msix_names[v],
- vp_dev);
- if (err)
- goto error;
- ++vp_dev->msix_used_vectors;
+ err = pci_enable_msix(vp_dev->pci_dev, vp_dev->msix_entries, nvectors);
+ if (err > 0)
+ err = -ENOSPC;
+ if (err)
+ goto error;
+ vp_dev->msix_vectors = nvectors;
+ vp_dev-&...