1 /* SPDX-License-Identifier: GPL-2.0-only */
12 #include <asm/asm-offsets.h>
26 	void *addr = (void *)0x10000 - 2 * PAGE_SIZE;  in test_set_mb()
29 	/* Multi block support came with EDAT 1 */  in test_set_mb()
37 	ret1.val = get_storage_key(end - PAGE_SIZE) & (SKEY_ACC | SKEY_FP);  in test_set_mb()
38 	ret2.val = get_storage_key(end - PAGE_SIZE * 2) & (SKEY_ACC | SKEY_FP);  in test_set_mb()
39 	report(ret1.val == ret2.val && ret1.val == skey.val, "multi block");  in test_set_mb()
99 	void *inv_addr = (void *)-1ull;  in test_invalid_address()
142 	report_prefix_push("fetch-protection override");  in test_test_protection()
155 	       "storage-protection override: no protection");  in test_test_protection()
194 			/* ESOP-2: no need to check facility */  in check_key_prot_exc()
238 	     : "+Q" (*out) /* exception: old value remains in out -> + constraint */  in store_cpu_address_key_1()
275 	report_prefix_push("storage-protection override, invalid key");  in test_store_cpu_address()
284 	report_prefix_push("storage-protection override, override key");  in test_store_cpu_address()
293 	report_prefix_push("storage-protection override disabled, override key");  in test_store_cpu_address()
314 	/* key-controlled protection does not apply */  in test_diag_308()
332  * Perform CHANNEL SUBSYSTEM CALL (CHSC)  instruction while temporarily executing
351 static const char chsc_msg[] = "Performed store-channel-subsystem-characteristics";
355 	/* store-channel-subsystem-characteristics command */  in init_comm_block()
366 	report_prefix_push("CHANNEL SUBSYSTEM CALL");  in test_channel_subsystem_call()
409 	report_prefix_push("storage-protection override, invalid key");  in test_channel_subsystem_call()
417 	report_prefix_push("storage-protection override, override key");  in test_channel_subsystem_call()
426 	report_prefix_push("storage-protection override disabled, override key");  in test_channel_subsystem_call()
605 	schib->pmcw.intparm = 100;  in test_msch()
609 		WRITE_ONCE(schib->pmcw.intparm, 0);  in test_msch()
611 		report(!cc && schib->pmcw.intparm == 100, "fetched from SCHIB");  in test_msch()
618 	schib->pmcw.intparm = 200;  in test_msch()
622 		WRITE_ONCE(schib->pmcw.intparm, 0);  in test_msch()
624 		report(!cc && schib->pmcw.intparm == 200, "fetched from SCHIB");  in test_msch()
633 	schib->pmcw.intparm = 300;  in test_msch()
637 		WRITE_ONCE(schib->pmcw.intparm, 0);  in test_msch()
639 		report(!cc && schib->pmcw.intparm == 300, "fetched from SCHIB");  in test_msch()
645 	schib->pmcw.intparm = 0;  in test_msch()
648 		schib->pmcw.intparm = 400;  in test_msch()
654 		report(!cc && schib->pmcw.intparm == 0, "did not modify subchannel");  in test_msch()
668 	schib->pmcw.intparm = 0;  in test_msch()
671 		schib->pmcw.intparm = 500;  in test_msch()
679 		report(!cc && schib->pmcw.intparm == 0, "did not modify subchannel");  in test_msch()
687 	report_prefix_push("fetch-protection override applies");  in test_msch()
688 	schib->pmcw.intparm = 600;  in test_msch()
694 		WRITE_ONCE(schib->pmcw.intparm, 0);  in test_msch()
696 		report(!cc && schib->pmcw.intparm == 600, "fetched from SCHIB");  in test_msch()
702 	schib->pmcw.intparm = 0;  in test_msch()
704 		report_prefix_push("fetch-protection override does not apply");  in test_msch()
705 		schib->pmcw.intparm = 700;  in test_msch()
715 		report(!cc && schib->pmcw.intparm == 0, "did not modify subchannel");  in test_msch()