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Differential D25802 Diff 74925 sys/x86/iommu/intel_dmar.h

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sys/x86/iommu/intel_dmar.h

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struct dmar_ctx { struct dmar_ctx {
struct iommu_ctx context; struct iommu_ctx context;
uint16_t rid; /* (c) pci RID */ uint16_t rid; /* (c) pci RID */
uint64_t last_fault_rec[2]; /* Last fault reported */ uint64_t last_fault_rec[2]; /* Last fault reported */
LIST_ENTRY(dmar_ctx) link; /* (u) Member in the domain list */ LIST_ENTRY(dmar_ctx) link; /* (u) Member in the domain list */
u_int refs; /* (u) References from tags */ u_int refs; /* (u) References from tags */
}; };
#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 */
#define DMAR_DOMAIN_PGLOCK(dom) VM_OBJECT_WLOCK((dom)->pgtbl_obj) #define DMAR_DOMAIN_PGLOCK(dom) VM_OBJECT_WLOCK((dom)->pgtbl_obj)
#define DMAR_DOMAIN_PGTRYLOCK(dom) VM_OBJECT_TRYWLOCK((dom)->pgtbl_obj) #define DMAR_DOMAIN_PGTRYLOCK(dom) VM_OBJECT_TRYWLOCK((dom)->pgtbl_obj)
#define DMAR_DOMAIN_PGUNLOCK(dom) VM_OBJECT_WUNLOCK((dom)->pgtbl_obj) #define DMAR_DOMAIN_PGUNLOCK(dom) VM_OBJECT_WUNLOCK((dom)->pgtbl_obj)
#define DMAR_DOMAIN_ASSERT_PGLOCKED(dom) \ #define DMAR_DOMAIN_ASSERT_PGLOCKED(dom) \
VM_OBJECT_ASSERT_WLOCKED((dom)->pgtbl_obj) VM_OBJECT_ASSERT_WLOCKED((dom)->pgtbl_obj)
#define DMAR_DOMAIN_LOCK(dom) mtx_lock(&(dom)->iodom.lock) #define DMAR_DOMAIN_LOCK(dom) mtx_lock(&(dom)->iodom.lock)
#define DMAR_DOMAIN_UNLOCK(dom) mtx_unlock(&(dom)->iodom.lock) #define DMAR_DOMAIN_UNLOCK(dom) mtx_unlock(&(dom)->iodom.lock)
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void dmar_free_ctx_locked(struct dmar_unit *dmar, struct dmar_ctx *ctx); void dmar_free_ctx_locked(struct dmar_unit *dmar, struct dmar_ctx *ctx);
void dmar_free_ctx(struct dmar_ctx *ctx); void dmar_free_ctx(struct dmar_ctx *ctx);
struct dmar_ctx *dmar_find_ctx_locked(struct dmar_unit *dmar, uint16_t rid); struct dmar_ctx *dmar_find_ctx_locked(struct dmar_unit *dmar, uint16_t rid);
void dmar_domain_unload_entry(struct iommu_map_entry *entry, bool free); void dmar_domain_unload_entry(struct iommu_map_entry *entry, bool free);
void dmar_domain_unload(struct dmar_domain *domain, void dmar_domain_unload(struct dmar_domain *domain,
struct iommu_map_entries_tailq *entries, bool cansleep); struct iommu_map_entries_tailq *entries, bool cansleep);
void dmar_domain_free_entry(struct iommu_map_entry *entry, bool free); void dmar_domain_free_entry(struct iommu_map_entry *entry, bool free);
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);
void dmar_dev_parse_rmrr(struct dmar_domain *domain, int dev_domain, void dmar_dev_parse_rmrr(struct dmar_domain *domain, int dev_domain,
int dev_busno, const void *dev_path, int dev_path_len, int dev_busno, const void *dev_path, int dev_path_len,
struct iommu_map_entries_tailq *rmrr_entries); struct iommu_map_entries_tailq *rmrr_entries);
int dmar_instantiate_rmrr_ctxs(struct iommu_unit *dmar); int dmar_instantiate_rmrr_ctxs(struct iommu_unit *dmar);
void dmar_quirks_post_ident(struct dmar_unit *dmar); void dmar_quirks_post_ident(struct dmar_unit *dmar);
void dmar_quirks_pre_use(struct iommu_unit *dmar); void dmar_quirks_pre_use(struct iommu_unit *dmar);
int dmar_init_irt(struct dmar_unit *unit); int dmar_init_irt(struct dmar_unit *unit);
void dmar_fini_irt(struct dmar_unit *unit); void dmar_fini_irt(struct dmar_unit *unit);
void dmar_set_buswide_ctx(struct iommu_unit *unit, u_int busno); void dmar_set_buswide_ctx(struct iommu_unit *unit, u_int busno);
bool dmar_is_buswide_ctx(struct dmar_unit *unit, u_int busno); bool dmar_is_buswide_ctx(struct dmar_unit *unit, u_int busno);
/* 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
extern iommu_haddr_t dmar_high; extern iommu_haddr_t dmar_high;
extern int haw; extern int haw;
extern int dmar_tbl_pagecnt; extern int dmar_tbl_pagecnt;
extern int dmar_batch_coalesce; extern int dmar_batch_coalesce;
extern int iommu_check_free;
static inline uint32_t static inline uint32_t
dmar_read4(const struct dmar_unit *unit, int reg) dmar_read4(const struct dmar_unit *unit, int reg)
{ {
return (bus_read_4(unit->regs, reg)); return (bus_read_4(unit->regs, reg));
} }
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