/* * Storage key removal facility tests * * Copyright (c) 2019 IBM Corp * * Authors: * Janosch Frank * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2. */ #include #include #include #include #include #include static uint8_t pagebuf[PAGE_SIZE * 2] __attribute__((aligned(PAGE_SIZE * 2))); static void test_facilities(void) { report_prefix_push("facilities"); report("!10", !test_facility(10)); report("!14", !test_facility(14)); report("!66", !test_facility(66)); report("!145", !test_facility(145)); report("!149", !test_facility(140)); report_prefix_pop(); } static void test_skey(void) { report_prefix_push("sske"); expect_pgm_int(); set_storage_key(pagebuf, 0x30, 0); check_pgm_int_code(PGM_INT_CODE_SPECIAL_OPERATION); expect_pgm_int(); report_prefix_pop(); report_prefix_push("iske"); get_storage_key(pagebuf); check_pgm_int_code(PGM_INT_CODE_SPECIAL_OPERATION); report_prefix_pop(); } static void test_pfmf(void) { union pfmf_r1 r1; report_prefix_push("pfmf"); r1.val = 0; r1.reg.sk = 1; r1.reg.fsc = PFMF_FSC_4K; r1.reg.key = 0x30; expect_pgm_int(); pfmf(r1.val, pagebuf); check_pgm_int_code(PGM_INT_CODE_SPECIAL_OPERATION); report_prefix_pop(); } static void test_psw_key(void) { uint64_t psw_mask = extract_psw_mask() | 0xF0000000000000UL; report_prefix_push("psw key"); expect_pgm_int(); load_psw_mask(psw_mask); check_pgm_int_code(PGM_INT_CODE_SPECIAL_OPERATION); report_prefix_pop(); } static void test_mvcos(void) { uint64_t r3 = 64; uint8_t *src = pagebuf; uint8_t *dst = pagebuf + PAGE_SIZE; /* K bit set, as well as keys */ register unsigned long oac asm("0") = 0xf002f002; report_prefix_push("mvcos"); expect_pgm_int(); asm volatile("mvcos %[dst],%[src],%[len]" : [dst] "+Q" (*(dst)) : [src] "Q" (*(src)), [len] "d" (r3), "d" (oac) : "cc", "memory"); check_pgm_int_code(PGM_INT_CODE_SPECIAL_OPERATION); report_prefix_pop(); } static void test_spka(void) { report_prefix_push("spka"); expect_pgm_int(); asm volatile("spka 0xf0(0)\n"); check_pgm_int_code(PGM_INT_CODE_SPECIAL_OPERATION); report_prefix_pop(); } static void test_tprot(void) { report_prefix_push("tprot"); expect_pgm_int(); asm volatile("tprot %[addr],0xf0(0)\n" : : [addr] "a" (pagebuf) : ); check_pgm_int_code(PGM_INT_CODE_SPECIAL_OPERATION); report_prefix_pop(); } int main(void) { report_prefix_push("skrf"); if (!test_facility(169)) { report_skip("storage key removal facility not available\n"); goto done; } test_facilities(); test_skey(); test_pfmf(); test_psw_key(); test_mvcos(); test_spka(); test_tprot(); done: report_prefix_pop(); return report_summary(); }