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// SPDX-License-Identifier: GPL-2.0-only
#include "hwprobe.h"
#include "../../kselftest.h"
int main(int argc, char **argv)
{
struct riscv_hwprobe pairs[8];
unsigned long cpus;
long out;
ksft_print_header();
ksft_set_plan(5);
/* Fake the CPU_SET ops. */
cpus = -1;
/*
* Just run a basic test: pass enough pairs to get up to the base
* behavior, and then check to make sure it's sane.
*/
for (long i = 0; i < 8; i++)
pairs[i].key = i;
out = riscv_hwprobe(pairs, 8, 1, &cpus, 0);
if (out != 0)
ksft_exit_fail_msg("hwprobe() failed with %ld\n", out);
for (long i = 0; i < 4; ++i) {
/* Fail if the kernel claims not to recognize a base key. */
if ((i < 4) && (pairs[i].key != i))
ksft_exit_fail_msg("Failed to recognize base key: key != i, "
"key=%lld, i=%ld\n", pairs[i].key, i);
if (pairs[i].key != RISCV_HWPROBE_KEY_BASE_BEHAVIOR)
continue;
if (pairs[i].value & RISCV_HWPROBE_BASE_BEHAVIOR_IMA)
continue;
ksft_exit_fail_msg("Unexpected pair: (%lld, %llu)\n", pairs[i].key, pairs[i].value);
}
out = riscv_hwprobe(pairs, 8, 0, 0, 0);
ksft_test_result(out == 0, "NULL CPU set\n");
out = riscv_hwprobe(pairs, 8, 0, &cpus, 0);
ksft_test_result(out != 0, "Bad CPU set\n");
out = riscv_hwprobe(pairs, 8, 1, 0, 0);
ksft_test_result(out != 0, "NULL CPU set with non-zero count\n");
pairs[0].key = RISCV_HWPROBE_KEY_BASE_BEHAVIOR;
out = riscv_hwprobe(pairs, 1, 1, &cpus, 0);
ksft_test_result(out == 0 && pairs[0].key == RISCV_HWPROBE_KEY_BASE_BEHAVIOR,
"Existing key is maintained\n");
pairs[0].key = 0x5555;
pairs[1].key = 1;
pairs[1].value = 0xAAAA;
out = riscv_hwprobe(pairs, 2, 0, 0, 0);
ksft_test_result(out == 0 && pairs[0].key == -1 &&
pairs[1].key == 1 && pairs[1].value != 0xAAAA,
"Unknown key overwritten with -1 and doesn't block other elements\n");
ksft_finished();
}
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