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/*
* SPDX-License-Identifier: GPL-2.0
*
* Copyright © 2018 Intel Corporation
*/
#include "../i915_selftest.h"
static int intel_mmio_bases_check(void *arg)
{
int i, j;
for (i = 0; i < ARRAY_SIZE(intel_engines); i++) {
const struct engine_info *info = &intel_engines[i];
char name[INTEL_ENGINE_CS_MAX_NAME];
u8 prev = U8_MAX;
__sprint_engine_name(name, info);
for (j = 0; j < MAX_MMIO_BASES; j++) {
u8 gen = info->mmio_bases[j].gen;
u32 base = info->mmio_bases[j].base;
if (gen >= prev) {
pr_err("%s: %s: mmio base for gen %x "
"is before the one for gen %x\n",
__func__, name, prev, gen);
return -EINVAL;
}
if (gen == 0)
break;
if (!base) {
pr_err("%s: %s: invalid mmio base (%x) "
"for gen %x at entry %u\n",
__func__, name, base, gen, j);
return -EINVAL;
}
prev = gen;
}
pr_info("%s: min gen supported for %s = %d\n",
__func__, name, prev);
}
return 0;
}
int intel_engine_cs_mock_selftests(void)
{
static const struct i915_subtest tests[] = {
SUBTEST(intel_mmio_bases_check),
};
return i915_subtests(tests, NULL);
}
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