26 	void *addr = (void *)0x10000 - 2 * PAGE_SIZE;  in test_set_mb()
27 	void *end = (void *)0x10000;  in test_set_mb()
33 	skey.val = 0x30;  in test_set_mb()
46 	skey1.val = 0x30;  in test_chg()
47 	set_storage_key(pagebuf, skey1.val, 0);  in test_chg()
49 	pagebuf[0] = 3;  in test_chg()
58 	skey.val = 0x30;  in test_set()
60 	set_storage_key(pagebuf, skey.val, 0);  in test_set()
75 	memset(pagebuf, 0, PAGE_SIZE * 2);  in test_priv()
80 	set_storage_key(pagebuf, 0x30, 0);  in test_priv()
105 	set_storage_key(inv_addr, 0, 0);  in test_invalid_address()
130 	set_storage_key(pagebuf, 0x10, 0);  in test_test_protection()
131 	report(tprot(addr, 0) == TPROT_READ_WRITE, "zero key: no protection");  in test_test_protection()
138 	set_storage_key(pagebuf, 0x18, 0);  in test_test_protection()
143 	set_storage_key(0, 0x18, 0);  in test_test_protection()
144 	report(tprot(0, 2) == TPROT_RW_PROTECTED, "disabled: fetch & store protection");  in test_test_protection()
145 	ctl_set_bit(0, CTL0_FETCH_PROTECTION_OVERRIDE);  in test_test_protection()
146 	report(tprot(0, 2) == TPROT_READ, "enabled: store protection");  in test_test_protection()
148 	ctl_clear_bit(0, CTL0_FETCH_PROTECTION_OVERRIDE);  in test_test_protection()
149 	set_storage_key(0, 0x00, 0);  in test_test_protection()
152 	ctl_set_bit(0, CTL0_STORAGE_PROTECTION_OVERRIDE);  in test_test_protection()
153 	set_storage_key(pagebuf, 0x90, 0);  in test_test_protection()
156 	ctl_clear_bit(0, CTL0_STORAGE_PROTECTION_OVERRIDE);  in test_test_protection()
159 	set_storage_key(pagebuf, 0x00, 0);  in test_test_protection()
198 			case 0:  in check_key_prot_exc()
235 		"spka	0x10\n\t"  in store_cpu_address_key_1()
236 		"stap	%0\n\t"  in store_cpu_address_key_1()
237 		"spka	0\n"  in store_cpu_address_key_1()
248 	asm ("stap %0" : "=Q" (cpu_addr));  in test_store_cpu_address()
251 	set_storage_key(pagebuf, 0x20, 0);  in test_store_cpu_address()
252 	WRITE_ONCE(*out, 0xbeef);  in test_store_cpu_address()
253 	asm ("stap %0" : "=Q" (*out));  in test_store_cpu_address()
258 	set_storage_key(pagebuf, 0x10, 0);  in test_store_cpu_address()
259 	*out = 0xbeef;  in test_store_cpu_address()
265 	set_storage_key(pagebuf, 0x20, 0);  in test_store_cpu_address()
267 	*out = 0xbeef;  in test_store_cpu_address()
270 	report(*out == 0xbeef, "no store occurred");  in test_store_cpu_address()
273 	ctl_set_bit(0, CTL0_STORAGE_PROTECTION_OVERRIDE);  in test_store_cpu_address()
276 	set_storage_key(pagebuf, 0x20, 0);  in test_store_cpu_address()
278 	*out = 0xbeef;  in test_store_cpu_address()
281 	report(*out == 0xbeef, "no store occurred");  in test_store_cpu_address()
285 	set_storage_key(pagebuf, 0x90, 0);  in test_store_cpu_address()
286 	*out = 0xbeef;  in test_store_cpu_address()
291 	ctl_clear_bit(0, CTL0_STORAGE_PROTECTION_OVERRIDE);  in test_store_cpu_address()
294 	set_storage_key(pagebuf, 0x90, 0);  in test_store_cpu_address()
296 	*out = 0xbeef;  in test_store_cpu_address()
299 	report(*out == 0xbeef, "no store occurred");  in test_store_cpu_address()
302 	set_storage_key(pagebuf, 0x00, 0);  in test_store_cpu_address()
312 	WRITE_ONCE(ipib[0], 0); /* Invalid length */  in test_diag_308()
313 	set_storage_key(ipib, 0x28, 0);  in test_diag_308()
317 		"spka	0x10\n\t"  in test_diag_308()
318 		"diag	%%r2,%[code],0x308\n\t"  in test_diag_308()
319 		"spka	0\n\t"  in test_diag_308()
326 	report(response == 0x402, "no exception on fetch, response: invalid IPIB");  in test_diag_308()
327 	set_storage_key(ipib, 0x00, 0);  in test_diag_308()
340 		"spka	0x10\n\t"  in chsc_key_1()
341 		".insn	rre,0xb25f0000,%[comm_block],0\n\t"  in chsc_key_1()
342 		"spka	0\n\t"  in chsc_key_1()
354 	memset(comm_block, 0, PAGE_SIZE);  in init_comm_block()
356 	comm_block[0] = 0x10;  in init_comm_block()
357 	comm_block[1] = 0x10;  in init_comm_block()
358 	comm_block[9] = 0;  in init_comm_block()
370 	set_storage_key(comm_block, 0x10, 0);  in test_channel_subsystem_call()
372 		".insn	rre,0xb25f0000,%[comm_block],0\n\t"  in test_channel_subsystem_call()
379 	report(cc == 0 && comm_block[9], chsc_msg);  in test_channel_subsystem_call()
384 	set_storage_key(comm_block, 0x10, 0);  in test_channel_subsystem_call()
386 	report(cc == 0 && comm_block[9], chsc_msg);  in test_channel_subsystem_call()
393 	set_storage_key(comm_block, 0x20, 0);  in test_channel_subsystem_call()
401 	set_storage_key(comm_block, 0x28, 0);  in test_channel_subsystem_call()
407 	ctl_set_bit(0, CTL0_STORAGE_PROTECTION_OVERRIDE);  in test_channel_subsystem_call()
410 	set_storage_key(comm_block, 0x20, 0);  in test_channel_subsystem_call()
419 	set_storage_key(comm_block, 0x90, 0);  in test_channel_subsystem_call()
421 	report(cc == 0 && comm_block[9], chsc_msg);  in test_channel_subsystem_call()
424 	ctl_clear_bit(0, CTL0_STORAGE_PROTECTION_OVERRIDE);  in test_channel_subsystem_call()
428 	set_storage_key(comm_block, 0x90, 0);  in test_channel_subsystem_call()
436 	set_storage_key(comm_block, 0x00, 0);  in test_channel_subsystem_call()
447 		"spka	0x10\n\t"  in set_prefix_key_1()
448 		"spx	%0\n\t"  in set_prefix_key_1()
449 		"spka	0\n"  in set_prefix_key_1()
473 	memcpy(lowcore_tmp, 0, sizeof(lowcore_tmp));  in test_set_prefix()
474 	assert(((uint64_t)&lowcore_tmp >> 31) == 0);  in test_set_prefix()
479 	set_storage_key(prefix_ptr, 0x20, 0);  in test_set_prefix()
486 	set_storage_key(pagebuf, 0x10, 0);  in test_set_prefix()
495 	set_storage_key(pagebuf, 0x20, 0);  in test_set_prefix()
502 	set_storage_key(pagebuf, 0x28, 0);  in test_set_prefix()
510 	 * Page 0 will be remapped, making the lowcore inaccessible, which  in test_set_prefix()
519 	set_storage_key(pagebuf, 0x28, 0);  in test_set_prefix()
521 	install_page(root, virt_to_pte_phys(root, pagebuf), 0);  in test_set_prefix()
522 	set_prefix_key_1((uint32_t *)0);  in test_set_prefix()
523 	install_page(root, 0, 0);  in test_set_prefix()
528 	ctl_set_bit(0, CTL0_FETCH_PROTECTION_OVERRIDE);  in test_set_prefix()
532 	set_storage_key(pagebuf, 0x28, 0);  in test_set_prefix()
533 	install_page(root, virt_to_pte_phys(root, pagebuf), 0);  in test_set_prefix()
534 	set_prefix_key_1((uint32_t *)0);  in test_set_prefix()
535 	install_page(root, 0, 0);  in test_set_prefix()
543 	set_storage_key(pagebuf, 0x28, 0);  in test_set_prefix()
545 	install_page(root, virt_to_pte_phys(root, pagebuf), 0);  in test_set_prefix()
547 	install_page(root, 0, 0);  in test_set_prefix()
552 	ctl_clear_bit(0, CTL0_FETCH_PROTECTION_OVERRIDE);  in test_set_prefix()
555 	set_storage_key(pagebuf, 0x00, 0);  in test_set_prefix()
569 		"spka	0x10\n\t"  in modify_subchannel_key_1()
571 		"spka	0\n\t"  in modify_subchannel_key_1()
606 	set_storage_key(schib, 0x28, 0);  in test_msch()
609 		WRITE_ONCE(schib->pmcw.intparm, 0);  in test_msch()
613 		report_fail("MSCH cc != 0");  in test_msch()
619 	set_storage_key(schib, 0x18, 0);  in test_msch()
622 		WRITE_ONCE(schib->pmcw.intparm, 0);  in test_msch()
626 		report_fail("MSCH cc != 0");  in test_msch()
634 	set_storage_key(schib, 0x20, 0);  in test_msch()
637 		WRITE_ONCE(schib->pmcw.intparm, 0);  in test_msch()
641 		report_fail("MSCH cc != 0");  in test_msch()
645 	schib->pmcw.intparm = 0;  in test_msch()
649 		set_storage_key(schib, 0x28, 0);  in test_msch()
654 		report(!cc && schib->pmcw.intparm == 0, "did not modify subchannel");  in test_msch()
661 	 * Page 0 will be remapped, making the lowcore inaccessible, which  in test_msch()
668 	schib->pmcw.intparm = 0;  in test_msch()
672 		set_storage_key(pagebuf, 0x28, 0);  in test_msch()
674 		install_page(root, virt_to_pte_phys(root, pagebuf), 0);  in test_msch()
675 		modify_subchannel_key_1(test_device_sid, (struct schib *)0);  in test_msch()
676 		install_page(root, 0, 0);  in test_msch()
679 		report(!cc && schib->pmcw.intparm == 0, "did not modify subchannel");  in test_msch()
685 	ctl_set_bit(0, CTL0_FETCH_PROTECTION_OVERRIDE);  in test_msch()
689 	set_storage_key(pagebuf, 0x28, 0);  in test_msch()
690 	install_page(root, virt_to_pte_phys(root, pagebuf), 0);  in test_msch()
691 	cc = modify_subchannel_key_1(test_device_sid, (struct schib *)0);  in test_msch()
692 	install_page(root, 0, 0);  in test_msch()
694 		WRITE_ONCE(schib->pmcw.intparm, 0);  in test_msch()
698 		report_fail("MSCH cc != 0");  in test_msch()
702 	schib->pmcw.intparm = 0;  in test_msch()
708 		set_storage_key(pagebuf, 0x28, 0);  in test_msch()
710 		install_page(root, virt_to_pte_phys(root, pagebuf), 0);  in test_msch()
712 		install_page(root, 0, 0);  in test_msch()
715 		report(!cc && schib->pmcw.intparm == 0, "did not modify subchannel");  in test_msch()
721 	ctl_clear_bit(0, CTL0_FETCH_PROTECTION_OVERRIDE);  in test_msch()
724 	set_storage_key(schib, 0x00, 0);  in test_msch()