diff options
Diffstat (limited to 'drivers/xen/xen-pciback/conf_space_capability_msi.c')
| -rw-r--r-- | drivers/xen/xen-pciback/conf_space_capability_msi.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/xen/xen-pciback/conf_space_capability_msi.c b/drivers/xen/xen-pciback/conf_space_capability_msi.c index 78f74b1852d4..d0d2255b5da9 100644 --- a/drivers/xen/xen-pciback/conf_space_capability_msi.c +++ b/drivers/xen/xen-pciback/conf_space_capability_msi.c @@ -12,6 +12,7 @@ int pciback_enable_msi(struct pciback_device *pdev, struct pci_dev *dev, struct xen_pci_op *op) { + struct pciback_dev_data *dev_data; int otherend = pdev->xdev->otherend_id; int status; @@ -28,21 +29,29 @@ int pciback_enable_msi(struct pciback_device *pdev, * the local domain's IRQ number. */ op->value = dev->irq ? xen_pirq_from_irq(dev->irq) : 0; + dev_data = pci_get_drvdata(dev); + if (dev_data) + dev_data->ack_intr = 0; return 0; } int pciback_disable_msi(struct pciback_device *pdev, struct pci_dev *dev, struct xen_pci_op *op) { + struct pciback_dev_data *dev_data; pci_disable_msi(dev); op->value = dev->irq ? xen_pirq_from_irq(dev->irq) : 0; + dev_data = pci_get_drvdata(dev); + if (dev_data) + dev_data->ack_intr = 1; return 0; } int pciback_enable_msix(struct pciback_device *pdev, struct pci_dev *dev, struct xen_pci_op *op) { + struct pciback_dev_data *dev_data; int i, result; struct msix_entry *entries; @@ -74,6 +83,9 @@ int pciback_enable_msix(struct pciback_device *pdev, kfree(entries); op->value = result; + dev_data = pci_get_drvdata(dev); + if (dev_data) + dev_data->ack_intr = 0; return result; } @@ -81,6 +93,7 @@ int pciback_enable_msix(struct pciback_device *pdev, int pciback_disable_msix(struct pciback_device *pdev, struct pci_dev *dev, struct xen_pci_op *op) { + struct pciback_dev_data *dev_data; pci_disable_msix(dev); @@ -89,6 +102,10 @@ int pciback_disable_msix(struct pciback_device *pdev, * an undefined IRQ value of zero. */ op->value = dev->irq ? xen_pirq_from_irq(dev->irq) : 0; + dev_data = pci_get_drvdata(dev); + if (dev_data) + dev_data->ack_intr = 1; + return 0; } |