Displaying 4 results from an estimated 4 matches for "vp_msix_min_vector".
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vp_msix_min_vectors
2009 Apr 27
0
[PATCH 8/8] virtio_pci: optional MSI-X support
...er of per-virtqueue vectors if any. */
+ unsigned msix_per_vq_vectors;
+};
+
+/* Constants for MSI-X */
+/* Use first vector for configuration changes, second and the rest for
+ * virtqueues Thus, we need at least 2 vectors for MSI. */
+enum {
+ VP_MSIX_CONFIG_VECTOR = 0,
+ VP_MSIX_VQ_VECTOR = 1,
+ VP_MSIX_MIN_VECTORS = 2
};
+static inline int vq_vector(int index)
+{
+ return index + VP_MSIX_VQ_VECTOR;
+}
+
struct virtio_pci_vq_info
{
/* the actual virtqueue */
@@ -221,14 +246,92 @@ static irqreturn_t vp_interrupt(int irq, void *opaque)
return vp_vring_interrupt(irq, opaque);
}
- spin_lock_irqsave(&...
2009 Apr 27
0
[PATCH 8/8] virtio_pci: optional MSI-X support
...er of per-virtqueue vectors if any. */
+ unsigned msix_per_vq_vectors;
+};
+
+/* Constants for MSI-X */
+/* Use first vector for configuration changes, second and the rest for
+ * virtqueues Thus, we need at least 2 vectors for MSI. */
+enum {
+ VP_MSIX_CONFIG_VECTOR = 0,
+ VP_MSIX_VQ_VECTOR = 1,
+ VP_MSIX_MIN_VECTORS = 2
};
+static inline int vq_vector(int index)
+{
+ return index + VP_MSIX_VQ_VECTOR;
+}
+
struct virtio_pci_vq_info
{
/* the actual virtqueue */
@@ -221,14 +246,92 @@ static irqreturn_t vp_interrupt(int irq, void *opaque)
return vp_vring_interrupt(irq, opaque);
}
- spin_lock_irqsave(&...
2009 May 07
1
[PATCH 3/3] virtio_pci: optional MSI-X support
...er of per-virtqueue vectors if any. */
+ unsigned msix_per_vq_vectors;
+};
+
+/* Constants for MSI-X */
+/* Use first vector for configuration changes, second and the rest for
+ * virtqueues Thus, we need at least 2 vectors for MSI. */
+enum {
+ VP_MSIX_CONFIG_VECTOR = 0,
+ VP_MSIX_VQ_VECTOR = 1,
+ VP_MSIX_MIN_VECTORS = 2,
+ VP_MSIX_NO_VECTOR = 0xffff,
};
struct virtio_pci_vq_info
@@ -60,6 +82,9 @@ struct virtio_pci_vq_info
/* the list node for the virtqueues list */
struct list_head node;
+
+ /* MSI-X vector (or none) */
+ unsigned vector;
};
/* Qumranet donated their vendor ID for devices 0x1000...
2009 May 07
1
[PATCH 3/3] virtio_pci: optional MSI-X support
...er of per-virtqueue vectors if any. */
+ unsigned msix_per_vq_vectors;
+};
+
+/* Constants for MSI-X */
+/* Use first vector for configuration changes, second and the rest for
+ * virtqueues Thus, we need at least 2 vectors for MSI. */
+enum {
+ VP_MSIX_CONFIG_VECTOR = 0,
+ VP_MSIX_VQ_VECTOR = 1,
+ VP_MSIX_MIN_VECTORS = 2,
+ VP_MSIX_NO_VECTOR = 0xffff,
};
struct virtio_pci_vq_info
@@ -60,6 +82,9 @@ struct virtio_pci_vq_info
/* the list node for the virtqueues list */
struct list_head node;
+
+ /* MSI-X vector (or none) */
+ unsigned vector;
};
/* Qumranet donated their vendor ID for devices 0x1000...