M7350/qcom-opensource/kernel/kernel-tests/memory_prof/op-iommu-map.c

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2024-09-09 08:57:42 +00:00
/*
* Copyright (c) 2014, The Linux Foundation. All rights reserved.
*
* Redistribution ande in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation nor the names of its
* contributors may beed to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include "memory_prof.h"
#include "memory_prof_util.h"
#include "memory_prof_module.h"
#include "alloc_profiles.h"
struct iommu_map_op {
struct mp_iommu_map_test_args args;
char prot_string[MAX_FLAGS_STRING_LEN];
char flags_string[MAX_FLAGS_STRING_LEN];
};
#define LINE_IDX_CTX_NAME 1
#define LINE_IDX_CHUNK_ORDER 2
#define LINE_IDX_NCHUNKS 3
#define LINE_IDX_ITERATIONS 4
#define LINE_IDX_PROT 5
#define LINE_IDX_FLAGS 6
static int memory_prof_fd;
static int op_iommu_map_global_setup(
struct alloc_profile_entry entries[] __unused)
{
memory_prof_fd = open(MEMORY_PROF_DEV, O_RDONLY);
if (memory_prof_fd < 0)
err(1, "couldn't open " MEMORY_PROF_DEV);
return 0;
}
static void op_iommu_map_global_teardown(void)
{
close(memory_prof_fd);
}
static int op_iommu_map_parse(struct alloc_profile_entry *entry,
struct line_info *li)
{
struct iommu_map_op *op = entry->priv;
STRNCPY_SAFE(op->args.ctx_name, li->words[LINE_IDX_CTX_NAME],
MAX_IOMMU_CTX_NAME);
STRTOL(op->args.chunk_order, li->words[LINE_IDX_CHUNK_ORDER], 0);
STRTOL(op->args.nchunks, li->words[LINE_IDX_NCHUNKS], 0);
STRTOL(op->args.iterations, li->words[LINE_IDX_ITERATIONS], 0);
op->args.prot = parse_flags(li->words[LINE_IDX_PROT]);
STRNCPY_SAFE(op->prot_string, li->words[LINE_IDX_PROT],
MAX_FLAGS_STRING_LEN);
op->args.flags = parse_flags(li->words[LINE_IDX_FLAGS]);
STRNCPY_SAFE(op->flags_string, li->words[LINE_IDX_FLAGS],
MAX_FLAGS_STRING_LEN);
return 0;
}
static int op_iommu_map_run(struct alloc_profile_entry *entry)
{
struct iommu_map_op *op = entry->priv;
int rc;
if ((rc = ioctl(memory_prof_fd, MEMORY_PROF_IOC_IOMMU_MAP_TEST,
&op->args))) {
warn("Couldn't do MEMORY_PROF_IOC_IOMMU_MAP_TEST: %d\n", rc);
return 1;
}
printf(ST_PREFIX_DATA_ROW
" iommu_map time %llu us, ave: %llu us, min: %llu, max: %llu ctx: %s iterations: %u chunk_order: %zu nchunks: %d prot: %s flags: %s\n",
op->args.time_elapsed_us,
op->args.time_elapsed_us / op->args.iterations,
op->args.time_elapsed_min_us,
op->args.time_elapsed_max_us,
op->args.ctx_name,
op->args.iterations,
op->args.chunk_order,
op->args.nchunks,
op->prot_string,
op->flags_string);
return 0;
}
static struct alloc_profile_ops iommu_map_ops = {
.parse = op_iommu_map_parse,
.run = op_iommu_map_run,
.global_setup = op_iommu_map_global_setup,
.global_teardown = op_iommu_map_global_teardown,
};
ALLOC_PROFILE_OP_SIZED(&iommu_map_ops, iommu_map,
sizeof(struct iommu_map_op));