search for: vp_msix_min_vector

Displaying 4 results from an estimated 4 matches for "vp_msix_min_vector".

Did you mean: 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...