diff options
Diffstat (limited to 'include/hw/pci/pci.h')
| -rw-r--r-- | include/hw/pci/pci.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h index d67ffe12db..f3016fd76f 100644 --- a/include/hw/pci/pci.h +++ b/include/hw/pci/pci.h @@ -442,6 +442,26 @@ typedef struct PCIIOMMUOps { */ void (*get_iotlb_info)(void *opaque, uint8_t *addr_width, uint32_t *min_page_size); + /** + * @init_iotlb_notifier: initialize an IOMMU notifier. + * + * Optional callback. + * + * @bus: the #PCIBus of the PCI device. + * + * @opaque: the data passed to pci_setup_iommu(). + * + * @devfn: device and function number of the PCI device. + * + * @n: the notifier to be initialized. + * + * @fn: the callback to be installed. + * + * @user_opaque: a user pointer that can be used to track a state. + */ + void (*init_iotlb_notifier)(PCIBus *bus, void *opaque, int devfn, + IOMMUNotifier *n, IOMMUNotify fn, + void *user_opaque); } PCIIOMMUOps; AddressSpace *pci_device_iommu_address_space(PCIDevice *dev); @@ -463,6 +483,19 @@ int pci_iommu_get_iotlb_info(PCIDevice *dev, uint8_t *addr_width, uint32_t *min_page_size); /** + * pci_iommu_init_iotlb_notifier: initialize an IOMMU notifier. + * + * This function is used by devices before registering an IOTLB notifier. + * + * @dev: the device. + * @n: the notifier to be initialized. + * @fn: the callback to be installed. + * @opaque: a user pointer that can be used to track a state. + */ +int pci_iommu_init_iotlb_notifier(PCIDevice *dev, IOMMUNotifier *n, + IOMMUNotify fn, void *opaque); + +/** * pci_setup_iommu: Initialize specific IOMMU handlers for a PCIBus * * Let PCI host bridges define specific operations. |