// SPDX-License-Identifier: GPL-2.0
#include <linux/compiler.h>
#include <linux/bitmap.h>
#include <linux/kernel.h>
#include <linux/zalloc.h>
#include <perf/cpumap.h>
#include <internal/cpumap.h>
#include "debug.h"
#include "env.h"
#include "mem2node.h"
#include "tests.h"

static struct node {
        int              node;
        const char      *map;
} test_nodes[] = {
        { .node = 0, .map = "0"     },
        { .node = 1, .map = "1-2"   },
        { .node = 3, .map = "5-7,9" },
};

#define T TEST_ASSERT_VAL

static unsigned long *get_bitmap(const char *str, int nbits)
{
        struct perf_cpu_map *map = perf_cpu_map__new(str);
        unsigned long *bm = NULL;

        bm = bitmap_zalloc(nbits);

        if (map && bm) {
                struct perf_cpu cpu;
                int i;

                perf_cpu_map__for_each_cpu(cpu, i, map)
                        __set_bit(cpu.cpu, bm);
        }

        if (map)
                perf_cpu_map__put(map);
        else
                free(bm);

        return bm && map ? bm : NULL;
}

static int test__mem2node(struct test_suite *t __maybe_unused, int subtest __maybe_unused)
{
        struct mem2node map;
        struct memory_node nodes[3];
        struct perf_env env = {
                .memory_nodes    = (struct memory_node *) &nodes[0],
                .nr_memory_nodes = ARRAY_SIZE(nodes),
                .memory_bsize    = 0x100,
        };
        unsigned int i;

        for (i = 0; i < ARRAY_SIZE(nodes); i++) {
                nodes[i].node = test_nodes[i].node;
                nodes[i].size = 10;

                T("failed: alloc bitmap",
                  (nodes[i].set = get_bitmap(test_nodes[i].map, 10)));
        }

        T("failed: mem2node__init", !mem2node__init(&map, &env));
        T("failed: mem2node__node",  0 == mem2node__node(&map,   0x50));
        T("failed: mem2node__node",  1 == mem2node__node(&map,  0x100));
        T("failed: mem2node__node",  1 == mem2node__node(&map,  0x250));
        T("failed: mem2node__node",  3 == mem2node__node(&map,  0x500));
        T("failed: mem2node__node",  3 == mem2node__node(&map,  0x650));
        T("failed: mem2node__node", -1 == mem2node__node(&map,  0x450));
        T("failed: mem2node__node", -1 == mem2node__node(&map, 0x1050));

        for (i = 0; i < ARRAY_SIZE(nodes); i++)
                zfree(&nodes[i].set);

        mem2node__exit(&map);
        return 0;
}

DEFINE_SUITE("mem2node", mem2node);