Files
linux-nvgpu/userspace/units/fifo/engine/nvgpu-engine-status.c
2025-12-19 15:25:44 -08:00

124 lines
4.0 KiB
C

/*
* Copyright (c) 2019, NVIDIA CORPORATION. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include <stdlib.h>
#include <sys/types.h>
#include <unistd.h>
#include <unit/io.h>
#include <unit/unit.h>
#include <nvgpu/types.h>
#include <nvgpu/engine_status.h>
#include "../nvgpu-fifo-common.h"
#include "nvgpu-engine-status.h"
#define assert(cond) unit_assert(cond, goto done)
#define NUM_CTXSW_STATUS 6
#define NUM_ID_TYPES 3
#define NUM_NEXT_ID_TYPES 3
int test_engine_status(struct unit_module *m,
struct gk20a *g, void *args)
{
int ret = UNIT_FAIL;
struct nvgpu_engine_status_info status;
const u32 ctxsw_status[NUM_CTXSW_STATUS] = {
NVGPU_CTX_STATUS_INVALID,
NVGPU_CTX_STATUS_VALID,
NVGPU_CTX_STATUS_CTXSW_LOAD,
NVGPU_CTX_STATUS_CTXSW_SAVE,
NVGPU_CTX_STATUS_CTXSW_SWITCH,
U32(~0),
};
const u32 id_types[NUM_ID_TYPES] = {
ENGINE_STATUS_CTX_ID_TYPE_CHID,
ENGINE_STATUS_CTX_ID_TYPE_TSGID,
ENGINE_STATUS_CTX_ID_TYPE_INVALID,
};
const u32 next_id_types[NUM_NEXT_ID_TYPES] = {
ENGINE_STATUS_CTX_NEXT_ID_TYPE_CHID,
ENGINE_STATUS_CTX_NEXT_ID_TYPE_TSGID,
ENGINE_STATUS_CTX_NEXT_ID_TYPE_INVALID,
};
int i;
for (i = 0; i < NUM_CTXSW_STATUS; i++)
{
status.ctxsw_status = ctxsw_status[i];
assert(nvgpu_engine_status_is_ctxsw_switch(&status) ==
(ctxsw_status[i] == NVGPU_CTX_STATUS_CTXSW_SWITCH));
assert(nvgpu_engine_status_is_ctxsw_load(&status) ==
(ctxsw_status[i] == NVGPU_CTX_STATUS_CTXSW_LOAD));
assert(nvgpu_engine_status_is_ctxsw_save(&status) ==
(ctxsw_status[i] == NVGPU_CTX_STATUS_CTXSW_SAVE));
assert(nvgpu_engine_status_is_ctxsw(&status) ==
((ctxsw_status[i] == NVGPU_CTX_STATUS_CTXSW_SWITCH) ||
(ctxsw_status[i] == NVGPU_CTX_STATUS_CTXSW_LOAD) ||
(ctxsw_status[i] == NVGPU_CTX_STATUS_CTXSW_SAVE)));
assert(nvgpu_engine_status_is_ctxsw_invalid(&status) ==
(ctxsw_status[i] == NVGPU_CTX_STATUS_INVALID));
assert(nvgpu_engine_status_is_ctxsw_valid(&status) ==
(ctxsw_status[i] == NVGPU_CTX_STATUS_VALID));
}
for (i = 0; i < NUM_ID_TYPES; i++)
{
u32 ctx_id, ctx_type;
status.ctx_id = i;
status.ctx_id_type = id_types[i];
status.ctx_next_id = 0xcafe;
status.ctx_next_id_type = 0xcafe;
assert(nvgpu_engine_status_is_ctx_type_tsg(&status) ==
(id_types[i] == ENGINE_STATUS_CTX_ID_TYPE_TSGID));
nvgpu_engine_status_get_ctx_id_type(&status,
&ctx_id, &ctx_type);
assert(ctx_id == status.ctx_id);
assert(ctx_type == status.ctx_id_type);
}
for (i = 0; i < NUM_NEXT_ID_TYPES; i++)
{
u32 ctx_next_id, ctx_next_type;
status.ctx_id = 0xcafe;
status.ctx_id_type = 0xcafe;
status.ctx_next_id = i;
status.ctx_next_id_type = next_id_types[i];
assert(nvgpu_engine_status_is_next_ctx_type_tsg(&status) ==
(next_id_types[i] ==
ENGINE_STATUS_CTX_NEXT_ID_TYPE_TSGID));
nvgpu_engine_status_get_next_ctx_id_type(&status,
&ctx_next_id, &ctx_next_type);
assert(ctx_next_id == status.ctx_next_id);
assert(ctx_next_type == status.ctx_next_id_type);
}
ret = UNIT_SUCCESS;
done:
return ret;
}