167 	struct sfi_table_header *th;  in sfi_map_table()  local
171 		th = sfi_map_memory(pa, sizeof(struct sfi_table_header));  in sfi_map_table()
173 		th = (void *)syst_va + (pa - syst_pa);  in sfi_map_table()
176 	if (TABLE_ON_PAGE(th, th, th->len))  in sfi_map_table()
177 		return th;  in sfi_map_table()
180 	length = th->len;  in sfi_map_table()
182 		sfi_unmap_memory(th, sizeof(struct sfi_table_header));  in sfi_map_table()
193 static void sfi_unmap_table(struct sfi_table_header *th)  in sfi_unmap_table()  argument
195 	if (!TABLE_ON_PAGE(syst_va, th, th->len))  in sfi_unmap_table()
196 		sfi_unmap_memory(th, TABLE_ON_PAGE(th, th, th->len) ?  in sfi_unmap_table()
197 					sizeof(*th) : th->len);  in sfi_unmap_table()
200 static int sfi_table_check_key(struct sfi_table_header *th,  in sfi_table_check_key()  argument
204 	if (strncmp(th->sig, key->sig, SFI_SIGNATURE_SIZE)  in sfi_table_check_key()
205 		|| (key->oem_id && strncmp(th->oem_id,  in sfi_table_check_key()
207 		|| (key->oem_table_id && strncmp(th->oem_table_id,  in sfi_table_check_key()
234 	struct sfi_table_header *th;  in sfi_check_table()  local
237 	th = sfi_map_table(pa);  in sfi_check_table()
238 	if (!th)  in sfi_check_table()
242 		sfi_print_table_header(pa, th);  in sfi_check_table()
243 		if (sfi_verify_table(th))  in sfi_check_table()
246 		if (!sfi_table_check_key(th, key))  in sfi_check_table()
247 			return th;	/* Success */  in sfi_check_table()
250 	sfi_unmap_table(th);  in sfi_check_table()
262 	struct sfi_table_header *th;  in sfi_get_table()  local
267 		th = sfi_check_table(syst_va->pentry[i], key);  in sfi_get_table()
268 		if (!IS_ERR(th) && th)  in sfi_get_table()
269 			return th;  in sfi_get_table()
275 void sfi_put_table(struct sfi_table_header *th)  in sfi_put_table()  argument
277 	sfi_unmap_table(th);  in sfi_put_table()
396 	struct sfi_table_header *th = NULL;  in sfi_table_show()  local
405 		th = sfi_get_table(&key);  in sfi_table_show()
406 		if (!th)  in sfi_table_show()
410 						th, th->len);  in sfi_table_show()
411 		sfi_put_table(th);  in sfi_table_show()
422 	struct sfi_table_header *th;  in sfi_sysfs_install_table()  local
429 	th = sfi_map_table(pa);  in sfi_sysfs_install_table()
430 	if (!th || !th->sig[0]) {  in sfi_sysfs_install_table()
436 	memcpy(tbl_attr->name, th->sig, SFI_SIGNATURE_SIZE);  in sfi_sysfs_install_table()
450 	sfi_unmap_table(th);  in sfi_sysfs_install_table()