diff options
Diffstat (limited to 'include/hw/i386/x86-iommu.h')
| -rw-r--r-- | include/hw/i386/x86-iommu.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/include/hw/i386/x86-iommu.h b/include/hw/i386/x86-iommu.h index fa6ce31b74..c48e8dd597 100644 --- a/include/hw/i386/x86-iommu.h +++ b/include/hw/i386/x86-iommu.h @@ -46,9 +46,28 @@ struct X86IOMMUClass { MSIMessage *dst, uint16_t sid); }; +/** + * iec_notify_fn - IEC (Interrupt Entry Cache) notifier hook, + * triggered when IR invalidation happens. + * @private: private data + * @global: whether this is a global IEC invalidation + * @index: IRTE index to invalidate (start from) + * @mask: invalidation mask + */ +typedef void (*iec_notify_fn)(void *private, bool global, + uint32_t index, uint32_t mask); + +struct IEC_Notifier { + iec_notify_fn iec_notify; + void *private; + QLIST_ENTRY(IEC_Notifier) list; +}; +typedef struct IEC_Notifier IEC_Notifier; + struct X86IOMMUState { SysBusDevice busdev; bool intr_supported; /* Whether vIOMMU supports IR */ + QLIST_HEAD(, IEC_Notifier) iec_notifiers; /* IEC notify list */ }; /** @@ -57,4 +76,25 @@ struct X86IOMMUState { */ X86IOMMUState *x86_iommu_get_default(void); +/** + * x86_iommu_iec_register_notifier - register IEC (Interrupt Entry + * Cache) notifiers + * @iommu: IOMMU device to register + * @fn: IEC notifier hook function + * @data: notifier private data + */ +void x86_iommu_iec_register_notifier(X86IOMMUState *iommu, + iec_notify_fn fn, void *data); + +/** + * x86_iommu_iec_notify_all - Notify IEC invalidations + * @iommu: IOMMU device that sends the notification + * @global: whether this is a global invalidation. If true, @index + * and @mask are undefined. + * @index: starting index of interrupt entry to invalidate + * @mask: index mask for the invalidation + */ +void x86_iommu_iec_notify_all(X86IOMMUState *iommu, bool global, + uint32_t index, uint32_t mask); + #endif |