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sys/x86/iommu/intel_drv.c
| Show First 20 Lines • Show All 587 Lines • ▼ Show 20 Lines | static driver_t dmar_driver = { | ||||
| dmar_methods, | dmar_methods, | ||||
| sizeof(struct dmar_unit), | sizeof(struct dmar_unit), | ||||
| }; | }; | ||||
| DRIVER_MODULE(dmar, acpi, dmar_driver, dmar_devclass, 0, 0); | DRIVER_MODULE(dmar, acpi, dmar_driver, dmar_devclass, 0, 0); | ||||
| MODULE_DEPEND(dmar, acpi, 1, 1, 1); | MODULE_DEPEND(dmar, acpi, 1, 1, 1); | ||||
| void | void | ||||
| dmar_set_buswide_ctx(struct iommu_unit *unit, u_int busno) | iommu_set_buswide_ctx(struct iommu_unit *unit, u_int busno) | ||||
| { | { | ||||
| struct dmar_unit *dmar; | |||||
| dmar = (struct dmar_unit *)unit; | |||||
| MPASS(busno <= PCI_BUSMAX); | MPASS(busno <= PCI_BUSMAX); | ||||
| DMAR_LOCK(dmar); | IOMMU_LOCK(unit); | ||||
| dmar->buswide_ctxs[busno / NBBY / sizeof(uint32_t)] |= | unit->buswide_ctxs[busno / NBBY / sizeof(uint32_t)] |= | ||||
| 1 << (busno % (NBBY * sizeof(uint32_t))); | 1 << (busno % (NBBY * sizeof(uint32_t))); | ||||
| DMAR_UNLOCK(dmar); | IOMMU_UNLOCK(unit); | ||||
| } | } | ||||
| bool | bool | ||||
| dmar_is_buswide_ctx(struct dmar_unit *unit, u_int busno) | iommu_is_buswide_ctx(struct iommu_unit *unit, u_int busno) | ||||
| { | { | ||||
| MPASS(busno <= PCI_BUSMAX); | MPASS(busno <= PCI_BUSMAX); | ||||
| return ((unit->buswide_ctxs[busno / NBBY / sizeof(uint32_t)] & | return ((unit->buswide_ctxs[busno / NBBY / sizeof(uint32_t)] & | ||||
| (1U << (busno % (NBBY * sizeof(uint32_t))))) != 0); | (1U << (busno % (NBBY * sizeof(uint32_t))))) != 0); | ||||
| } | } | ||||
| static void | static void | ||||
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