diff options
Diffstat (limited to 'arch/x86/kernel/cpu/sgx/encl.h')
| -rw-r--r-- | arch/x86/kernel/cpu/sgx/encl.h | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/arch/x86/kernel/cpu/sgx/encl.h b/arch/x86/kernel/cpu/sgx/encl.h index 332ef3568267..a65a952116fd 100644 --- a/arch/x86/kernel/cpu/sgx/encl.h +++ b/arch/x86/kernel/cpu/sgx/encl.h @@ -27,7 +27,8 @@ struct sgx_encl_page { unsigned long desc; - unsigned long vm_max_prot_bits; + unsigned long vm_max_prot_bits:8; + enum sgx_page_type type:16; struct sgx_epc_page *epc_page; struct sgx_encl *encl; struct sgx_va_page *va_page; @@ -78,7 +79,6 @@ struct sgx_va_page { }; struct sgx_backing { - pgoff_t page_index; struct page *contents; struct page *pcmd; unsigned long pcmd_offset; @@ -106,6 +106,7 @@ int sgx_encl_may_map(struct sgx_encl *encl, unsigned long start, bool current_is_ksgxd(void); void sgx_encl_release(struct kref *ref); int sgx_encl_mm_add(struct sgx_encl *encl, struct mm_struct *mm); +const cpumask_t *sgx_encl_cpumask(struct sgx_encl *encl); int sgx_encl_lookup_backing(struct sgx_encl *encl, unsigned long page_index, struct sgx_backing *backing); int sgx_encl_alloc_backing(struct sgx_encl *encl, unsigned long page_index, @@ -113,11 +114,18 @@ int sgx_encl_alloc_backing(struct sgx_encl *encl, unsigned long page_index, void sgx_encl_put_backing(struct sgx_backing *backing); int sgx_encl_test_and_clear_young(struct mm_struct *mm, struct sgx_encl_page *page); - -struct sgx_epc_page *sgx_alloc_va_page(void); +struct sgx_encl_page *sgx_encl_page_alloc(struct sgx_encl *encl, + unsigned long offset, + u64 secinfo_flags); +void sgx_zap_enclave_ptes(struct sgx_encl *encl, unsigned long addr); +struct sgx_epc_page *sgx_alloc_va_page(bool reclaim); unsigned int sgx_alloc_va_slot(struct sgx_va_page *va_page); void sgx_free_va_slot(struct sgx_va_page *va_page, unsigned int offset); bool sgx_va_page_full(struct sgx_va_page *va_page); void sgx_encl_free_epc_page(struct sgx_epc_page *page); +struct sgx_encl_page *sgx_encl_load_page(struct sgx_encl *encl, + unsigned long addr); +struct sgx_va_page *sgx_encl_grow(struct sgx_encl *encl, bool reclaim); +void sgx_encl_shrink(struct sgx_encl *encl, struct sgx_va_page *va_page); #endif /* _X86_ENCL_H */ |