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Differential D25672 Diff 75486 sys/amd64/vmm/io/iommu.h

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sys/amd64/vmm/io/iommu.h

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* SUCH DAMAGE. * SUCH DAMAGE.
* *
* $FreeBSD$ * $FreeBSD$
*/ */
#ifndef _IO_IOMMU_H_ #ifndef _IO_IOMMU_H_
#define _IO_IOMMU_H_ #define _IO_IOMMU_H_
enum iommu_swcaps {
IOMMU_CAP_BULK,
};
typedef int (*iommu_init_func_t)(void); typedef int (*iommu_init_func_t)(void);
typedef void (*iommu_cleanup_func_t)(void); typedef void (*iommu_cleanup_func_t)(void);
typedef void (*iommu_enable_func_t)(void); typedef void (*iommu_enable_func_t)(void);
typedef void (*iommu_disable_func_t)(void); typedef void (*iommu_disable_func_t)(void);
typedef void *(*iommu_create_domain_t)(vm_paddr_t maxaddr); typedef void *(*iommu_create_domain_t)(vm_paddr_t maxaddr, bool host_domain);
typedef void (*iommu_destroy_domain_t)(void *domain); typedef void (*iommu_destroy_domain_t)(void *domain);
typedef uint64_t (*iommu_create_mapping_t)(void *domain, vm_paddr_t gpa, typedef int (*iommu_create_mapping_t)(void *domain, vm_paddr_t gpa,
vm_paddr_t hpa, uint64_t len); vm_paddr_t hpa, uint64_t len, uint64_t *res_len);
typedef uint64_t (*iommu_remove_mapping_t)(void *domain, vm_paddr_t gpa, typedef int (*iommu_create_mapping_bulk_t)(void *domain, vm_paddr_t gpa,
uint64_t len); struct vm_page **ma, uint64_t len);
typedef void (*iommu_add_device_t)(void *domain, uint16_t rid); typedef int (*iommu_remove_mapping_t)(void *domain, vm_paddr_t gpa,
typedef void (*iommu_remove_device_t)(void *dom, uint16_t rid); uint64_t len, uint64_t *res_len);
typedef void (*iommu_invalidate_tlb_t)(void *dom); typedef int (*iommu_add_device_t)(void *domain, device_t dev, uint16_t rid);
typedef int (*iommu_remove_device_t)(void *dom, device_t dev, uint16_t rid);
typedef int (*iommu_invalidate_tlb_t)(void *dom);
typedef bool (*iommu_get_swcaps_t)(enum iommu_swcaps);
struct iommu_ops { struct iommu_ops {
iommu_init_func_t init; /* module wide */ iommu_init_func_t init; /* module wide */
iommu_cleanup_func_t cleanup; iommu_cleanup_func_t cleanup;
iommu_enable_func_t enable; iommu_enable_func_t enable;
iommu_disable_func_t disable; iommu_disable_func_t disable;
iommu_create_domain_t create_domain; /* domain-specific */ iommu_create_domain_t create_domain; /* domain-specific */
iommu_destroy_domain_t destroy_domain; iommu_destroy_domain_t destroy_domain;
iommu_create_mapping_t create_mapping; iommu_create_mapping_t create_mapping;
iommu_create_mapping_bulk_t create_mapping_bulk;
iommu_remove_mapping_t remove_mapping; iommu_remove_mapping_t remove_mapping;
iommu_add_device_t add_device; iommu_add_device_t add_device;
iommu_remove_device_t remove_device; iommu_remove_device_t remove_device;
iommu_invalidate_tlb_t invalidate_tlb; iommu_invalidate_tlb_t invalidate_tlb;
iommu_get_swcaps_t get_swcaps;
}; };
extern struct iommu_ops iommu_ops_intel;
extern struct iommu_ops iommu_ops_amd; extern struct iommu_ops iommu_ops_amd;
extern struct iommu_ops iommu_ops_dmar;
extern struct iommu_ops iommu_ops_intel;
void iommu_cleanup(void); void iommu_cleanup(void);
void *iommu_host_domain(void); void *iommu_host_domain(void);
void *iommu_create_domain(vm_paddr_t maxaddr); void *iommu_create_domain(vm_paddr_t maxaddr);
void iommu_destroy_domain(void *dom); void iommu_destroy_domain(void *dom);
void iommu_create_mapping(void *dom, vm_paddr_t gpa, vm_paddr_t hpa, int iommu_create_mapping(void *dom, vm_paddr_t gpa, vm_paddr_t hpa,
size_t len); size_t len);
void iommu_remove_mapping(void *dom, vm_paddr_t gpa, size_t len); int iommu_create_mapping_bulk(void *dom, vm_paddr_t gpa,
void iommu_add_device(void *dom, uint16_t rid); struct vm_page **ma, size_t len);
void iommu_remove_device(void *dom, uint16_t rid); int iommu_remove_mapping(void *dom, vm_paddr_t gpa, size_t len);
void iommu_invalidate_tlb(void *domain); int iommu_add_device(void *dom, device_t dev, uint16_t rid);
int iommu_remove_device(void *dom, device_t dev, uint16_t rid);
int iommu_invalidate_tlb(void *domain);
bool iommu_get_swcaps(enum iommu_swcaps cap);
#endif #endif