// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright 2022, Athira Rajeev, IBM Corp.
 */

#include <stdio.h>
#include <sys/prctl.h>
#include <limits.h>
#include "../event.h"
#include "../sampling_tests/misc.h"

/*
 * Testcase to ensure that using invalid event in generic
 * event for PERF_TYPE_HARDWARE should fail
 */

static int generic_events_valid_test(void)
{
        struct event event;
        int pvr = mfspr(SPRN_PVR);

        /* Check for platform support for the test */
        SKIP_IF(platform_check_for_tests());

        /* generic events is different in compat_mode */
        SKIP_IF(check_for_generic_compat_pmu());

        /*
         * Invalid generic events in power10:
         * - PERF_COUNT_HW_BUS_CYCLES
         * - PERF_COUNT_HW_STALLED_CYCLES_FRONTEND
         * - PERF_COUNT_HW_STALLED_CYCLES_BACKEND
         * - PERF_COUNT_HW_REF_CPU_CYCLES
         */
        if ((pvr == POWER10) || (pvr == POWER11)) {
                event_init_opts(&event, PERF_COUNT_HW_CPU_CYCLES, PERF_TYPE_HARDWARE, "event");
                FAIL_IF(event_open(&event));
                event_close(&event);

                event_init_opts(&event, PERF_COUNT_HW_INSTRUCTIONS,
                                PERF_TYPE_HARDWARE, "event");
                FAIL_IF(event_open(&event));
                event_close(&event);

                event_init_opts(&event, PERF_COUNT_HW_CACHE_REFERENCES,
                                PERF_TYPE_HARDWARE, "event");
                FAIL_IF(event_open(&event));
                event_close(&event);

                event_init_opts(&event, PERF_COUNT_HW_CACHE_MISSES, PERF_TYPE_HARDWARE, "event");
                FAIL_IF(event_open(&event));
                event_close(&event);

                event_init_opts(&event, PERF_COUNT_HW_BRANCH_INSTRUCTIONS,
                                PERF_TYPE_HARDWARE, "event");
                FAIL_IF(event_open(&event));
                event_close(&event);

                event_init_opts(&event, PERF_COUNT_HW_BRANCH_MISSES, PERF_TYPE_HARDWARE, "event");
                FAIL_IF(event_open(&event));
                event_close(&event);

                event_init_opts(&event, PERF_COUNT_HW_BUS_CYCLES, PERF_TYPE_HARDWARE, "event");
                FAIL_IF(!event_open(&event));

                event_init_opts(&event, PERF_COUNT_HW_STALLED_CYCLES_FRONTEND,
                                PERF_TYPE_HARDWARE, "event");
                FAIL_IF(!event_open(&event));

                event_init_opts(&event, PERF_COUNT_HW_STALLED_CYCLES_BACKEND,
                                PERF_TYPE_HARDWARE, "event");
                FAIL_IF(!event_open(&event));

                event_init_opts(&event, PERF_COUNT_HW_REF_CPU_CYCLES, PERF_TYPE_HARDWARE, "event");
                FAIL_IF(!event_open(&event));
        } else if (PVR_VER(mfspr(SPRN_PVR)) == POWER9) {
                /*
                 * Invalid generic events in power9:
                 * - PERF_COUNT_HW_BUS_CYCLES
                 * - PERF_COUNT_HW_REF_CPU_CYCLES
                 */
                event_init_opts(&event, PERF_COUNT_HW_CPU_CYCLES, PERF_TYPE_HARDWARE, "event");
                FAIL_IF(event_open(&event));
                event_close(&event);

                event_init_opts(&event, PERF_COUNT_HW_INSTRUCTIONS, PERF_TYPE_HARDWARE, "event");
                FAIL_IF(event_open(&event));
                event_close(&event);

                event_init_opts(&event, PERF_COUNT_HW_CACHE_REFERENCES,
                                PERF_TYPE_HARDWARE, "event");
                FAIL_IF(event_open(&event));
                event_close(&event);

                event_init_opts(&event, PERF_COUNT_HW_CACHE_MISSES, PERF_TYPE_HARDWARE, "event");
                FAIL_IF(event_open(&event));
                event_close(&event);

                event_init_opts(&event, PERF_COUNT_HW_BRANCH_INSTRUCTIONS,
                                PERF_TYPE_HARDWARE, "event");
                FAIL_IF(event_open(&event));
                event_close(&event);

                event_init_opts(&event, PERF_COUNT_HW_BRANCH_MISSES, PERF_TYPE_HARDWARE, "event");
                FAIL_IF(event_open(&event));
                event_close(&event);

                event_init_opts(&event, PERF_COUNT_HW_BUS_CYCLES, PERF_TYPE_HARDWARE, "event");
                FAIL_IF(!event_open(&event));

                event_init_opts(&event, PERF_COUNT_HW_STALLED_CYCLES_FRONTEND,
                                PERF_TYPE_HARDWARE, "event");
                FAIL_IF(event_open(&event));
                event_close(&event);

                event_init_opts(&event, PERF_COUNT_HW_STALLED_CYCLES_BACKEND,
                                PERF_TYPE_HARDWARE, "event");
                FAIL_IF(event_open(&event));
                event_close(&event);

                event_init_opts(&event, PERF_COUNT_HW_REF_CPU_CYCLES, PERF_TYPE_HARDWARE, "event");
                FAIL_IF(!event_open(&event));
        }

        return 0;
}

int main(void)
{
        return test_harness(generic_events_valid_test, "generic_events_valid_test");
}