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Differential D25802 Diff 74927 head/sys/dev/iommu/iommu.h

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head/sys/dev/iommu/iommu.h

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/* struct iommu_ctx flags */ /* struct iommu_ctx flags */
#define IOMMU_CTX_FAULTED 0x0001 /* Fault was reported, #define IOMMU_CTX_FAULTED 0x0001 /* Fault was reported,
last_fault_rec is valid */ last_fault_rec is valid */
#define IOMMU_CTX_DISABLED 0x0002 /* Device is disabled, the #define IOMMU_CTX_DISABLED 0x0002 /* Device is disabled, the
ephemeral reference is kept ephemeral reference is kept
to prevent context destruction */ to prevent context destruction */
#define DMAR_DOMAIN_GAS_INITED 0x0001
#define DMAR_DOMAIN_PGTBL_INITED 0x0002
#define DMAR_DOMAIN_IDMAP 0x0010 /* Domain uses identity
page table */
#define DMAR_DOMAIN_RMRR 0x0020 /* Domain contains RMRR entry,
cannot be turned off */
/* Map flags */
#define IOMMU_MF_CANWAIT 0x0001
#define IOMMU_MF_CANSPLIT 0x0002
#define IOMMU_MF_RMRR 0x0004
#define DMAR_PGF_WAITOK 0x0001
#define DMAR_PGF_ZERO 0x0002
#define DMAR_PGF_ALLOC 0x0004
#define DMAR_PGF_NOALLOC 0x0008
#define DMAR_PGF_OBJL 0x0010
#define IOMMU_LOCK(unit) mtx_lock(&(unit)->lock) #define IOMMU_LOCK(unit) mtx_lock(&(unit)->lock)
#define IOMMU_UNLOCK(unit) mtx_unlock(&(unit)->lock) #define IOMMU_UNLOCK(unit) mtx_unlock(&(unit)->lock)
#define IOMMU_ASSERT_LOCKED(unit) mtx_assert(&(unit)->lock, MA_OWNED) #define IOMMU_ASSERT_LOCKED(unit) mtx_assert(&(unit)->lock, MA_OWNED)
#define IOMMU_DOMAIN_LOCK(dom) mtx_lock(&(dom)->lock) #define IOMMU_DOMAIN_LOCK(dom) mtx_lock(&(dom)->lock)
#define IOMMU_DOMAIN_UNLOCK(dom) mtx_unlock(&(dom)->lock) #define IOMMU_DOMAIN_UNLOCK(dom) mtx_unlock(&(dom)->lock)
#define IOMMU_DOMAIN_ASSERT_LOCKED(dom) mtx_assert(&(dom)->lock, MA_OWNED) #define IOMMU_DOMAIN_ASSERT_LOCKED(dom) mtx_assert(&(dom)->lock, MA_OWNED)
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struct iommu_map_entry *iommu_map_alloc_entry(struct iommu_domain *iodom, struct iommu_map_entry *iommu_map_alloc_entry(struct iommu_domain *iodom,
u_int flags); u_int flags);
void iommu_map_free_entry(struct iommu_domain *, struct iommu_map_entry *); void iommu_map_free_entry(struct iommu_domain *, struct iommu_map_entry *);
int iommu_map(struct iommu_domain *iodom, int iommu_map(struct iommu_domain *iodom,
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);
int iommu_map_region(struct iommu_domain *domain, int iommu_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);
void iommu_gas_init_domain(struct iommu_domain *domain);
void iommu_gas_fini_domain(struct iommu_domain *domain);
struct iommu_map_entry *iommu_gas_alloc_entry(struct iommu_domain *domain,
u_int flags);
void iommu_gas_free_entry(struct iommu_domain *domain,
struct iommu_map_entry *entry);
void iommu_gas_free_space(struct iommu_domain *domain,
struct iommu_map_entry *entry);
int iommu_gas_map(struct iommu_domain *domain,
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);
void iommu_gas_free_region(struct iommu_domain *domain,
struct iommu_map_entry *entry);
int iommu_gas_map_region(struct iommu_domain *domain,
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,
iommu_gaddr_t end);
#endif /* !_SYS_IOMMU_H_ */ #endif /* !_SYS_IOMMU_H_ */