| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* |
| * CMM tests (ESSA) |
| * |
| * Copyright (c) 2018 IBM Corp |
| * |
| * Authors: |
| * Janosch Frank <frankja@linux.vnet.ibm.com> |
| */ |
| |
| #include <libcflat.h> |
| #include <asm/asm-offsets.h> |
| #include <asm/interrupt.h> |
| #include <asm/page.h> |
| #include <asm/cmm.h> |
| |
| static uint8_t pagebuf[PAGE_SIZE] __attribute__((aligned(PAGE_SIZE))); |
| |
| static void test_params(void) |
| { |
| report_prefix_push("invalid ORC 8"); |
| expect_pgm_int(); |
| essa(8, (unsigned long)pagebuf); |
| check_pgm_int_code(PGM_INT_CODE_SPECIFICATION); |
| report_prefix_pop(); |
| } |
| |
| static void test_priv(void) |
| { |
| report_prefix_push("privileged"); |
| expect_pgm_int(); |
| enter_pstate(); |
| essa(ESSA_GET_STATE, (unsigned long)pagebuf); |
| check_pgm_int_code(PGM_INT_CODE_PRIVILEGED_OPERATION); |
| report_prefix_pop(); |
| } |
| |
| int main(void) |
| { |
| bool has_essa = check_essa_available(); |
| |
| report_prefix_push("cmm"); |
| if (!has_essa) { |
| report_skip("ESSA is not available"); |
| goto done; |
| } |
| |
| test_priv(); |
| test_params(); |
| done: |
| report_prefix_pop(); |
| return report_summary(); |
| } |