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Differential D25807 Diff 74937 head/sys/dev/iommu/iommu.h

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head/sys/dev/iommu/iommu.h

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* *
* $FreeBSD$ * $FreeBSD$
*/ */
#ifndef _SYS_IOMMU_H_ #ifndef _SYS_IOMMU_H_
#define _SYS_IOMMU_H_ #define _SYS_IOMMU_H_
#include <sys/queue.h> #include <sys/queue.h>
#include <sys/sysctl.h>
#include <sys/taskqueue.h> #include <sys/taskqueue.h>
#include <sys/tree.h> #include <sys/tree.h>
#include <sys/types.h> #include <sys/types.h>
/* Host or physical memory address, after translation. */ /* Host or physical memory address, after translation. */
typedef uint64_t iommu_haddr_t; typedef uint64_t iommu_haddr_t;
/* Guest or bus address, before translation. */ /* Guest or bus address, before translation. */
typedef uint64_t iommu_gaddr_t; typedef uint64_t iommu_gaddr_t;
▲ Show 20 Lines • Show All 158 Lines • ▼ Show 20 Linesint iommu_gas_map(struct iommu_domain *domain,
const struct bus_dma_tag_common *common, iommu_gaddr_t size, int offset, const struct bus_dma_tag_common *common, iommu_gaddr_t size, int offset,
u_int eflags, u_int flags, vm_page_t *ma, struct iommu_map_entry **res); u_int eflags, u_int flags, vm_page_t *ma, struct iommu_map_entry **res);
void iommu_gas_free_region(struct iommu_domain *domain, void iommu_gas_free_region(struct iommu_domain *domain,
struct iommu_map_entry *entry); struct iommu_map_entry *entry);
int iommu_gas_map_region(struct iommu_domain *domain, int iommu_gas_map_region(struct iommu_domain *domain,
struct iommu_map_entry *entry, u_int eflags, u_int flags, vm_page_t *ma); struct iommu_map_entry *entry, u_int eflags, u_int flags, vm_page_t *ma);
int iommu_gas_reserve_region(struct iommu_domain *domain, iommu_gaddr_t start, int iommu_gas_reserve_region(struct iommu_domain *domain, iommu_gaddr_t start,
iommu_gaddr_t end); iommu_gaddr_t end);
SYSCTL_DECL(_hw_iommu);
#endif /* !_SYS_IOMMU_H_ */ #endif /* !_SYS_IOMMU_H_ */