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

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

/* PM_DATA_RADIX_PROCESS_L2_PTE_FROM_L2 */
#define EventCode_1 0x14242
/* PM_DATA_RADIX_PROCESS_L2_PTE_FROM_L3 */
#define EventCode_2 0x24242

/*
 * Testcase for group constraint check for radix_scope_qual
 * field which is used to program Monitor Mode Control
 * egister (MMCR1)  bit 18.
 * All events in the group should match radix_scope_qual,
 * bits otherwise event_open for the group should fail.
 */

static int group_constraint_radix_scope_qual(void)
{
        struct event event, leader;

        /*
         * Check for platform support for the test.
         * This test is aplicable on ISA v3.1 only.
         */
        SKIP_IF(platform_check_for_tests());
        SKIP_IF(!have_hwcap2(PPC_FEATURE2_ARCH_3_1));

        /* Init the events for the group contraint check for radix_scope_qual bits */
        event_init(&leader, EventCode_1);
        FAIL_IF(event_open(&leader));

        event_init(&event, 0x200fc);

        /* Expected to fail as sibling event doesn't request same radix_scope_qual bits as leader */
        FAIL_IF(!event_open_with_group(&event, leader.fd));

        event_init(&event, EventCode_2);
        /* Expected to pass as sibling event request same radix_scope_qual bits as leader */
        FAIL_IF(event_open_with_group(&event, leader.fd));

        event_close(&leader);
        event_close(&event);
        return 0;
}

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