Merge tag 'x86_sgx_for_v6.0-2022-08-03.1' of git://git.kernel.org/pub/scm/linux/kerne...

[sfrench/cifs-2.6.git] / arch / x86 / kernel / cpu / sgx / encl.h

diff --git a/arch/x86/kernel/cpu/sgx/encl.h b/arch/x86/kernel/cpu/sgx/encl.h
index 332ef3568267e3920258ba3efabede33c07b06b4..a65a952116fd1c2c8fac3db27b9f6453e14f5a59 100644 (file)
--- 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 */