15 static int sgx_encl_lookup_backing(struct sgx_encl *encl, unsigned long page_index,
111 							    unsigned long page_index)  in sgx_encl_get_backing_page_pcmd_offset()  argument
115 	return epc_end_off + page_index * sizeof(struct sgx_pcmd);  in sgx_encl_get_backing_page_pcmd_offset()
121 static inline void sgx_encl_truncate_backing_page(struct sgx_encl *encl, unsigned long page_index)  in sgx_encl_truncate_backing_page()  argument
125 	shmem_truncate_range(inode, PFN_PHYS(page_index), PFN_PHYS(page_index) + PAGE_SIZE - 1);  in sgx_encl_truncate_backing_page()
138 	pgoff_t page_index, page_pcmd_off;  in __sgx_encl_eldu()  local
147 		page_index = PFN_DOWN(encl_page->desc - encl_page->encl->base);  in __sgx_encl_eldu()
149 		page_index = PFN_DOWN(encl->size);  in __sgx_encl_eldu()
154 	pcmd_first_page = PFN_PHYS(page_index & ~PCMD_FIRST_MASK) + encl->base;  in __sgx_encl_eldu()
156 	page_pcmd_off = sgx_encl_get_backing_page_pcmd_offset(encl, page_index);  in __sgx_encl_eldu()
158 	ret = sgx_encl_lookup_backing(encl, page_index, &b);  in __sgx_encl_eldu()
196 	sgx_encl_truncate_backing_page(encl, page_index);  in __sgx_encl_eldu()
971 static int __sgx_encl_get_backing(struct sgx_encl *encl, unsigned long page_index,  in __sgx_encl_get_backing()  argument
974 	pgoff_t page_pcmd_off = sgx_encl_get_backing_page_pcmd_offset(encl, page_index);  in __sgx_encl_get_backing()
978 	contents = sgx_encl_get_backing_page(encl, page_index);  in __sgx_encl_get_backing()
1062 int sgx_encl_alloc_backing(struct sgx_encl *encl, unsigned long page_index,  in sgx_encl_alloc_backing()  argument
1069 	ret = __sgx_encl_get_backing(encl, page_index, backing);  in sgx_encl_alloc_backing()
1094 static int sgx_encl_lookup_backing(struct sgx_encl *encl, unsigned long page_index,  in sgx_encl_lookup_backing()  argument
1097 	return __sgx_encl_get_backing(encl, page_index, backing);  in sgx_encl_lookup_backing()