462 lines
12 KiB
C
462 lines
12 KiB
C
/*
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* Copyright (c) 2012-2014, The Linux Foundation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of The Linux Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/* MSM ION User space tests. */
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <errno.h>
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#include <string.h>
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#include <fcntl.h>
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#include <ctype.h>
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#include <malloc.h>
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#include <linux/input.h>
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#include <linux/msm_ion.h>
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#include <linux/types.h>
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#include <sys/ioctl.h>
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#include <sys/wait.h>
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#include <sys/mman.h>
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#include <sys/types.h>
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#include "ion_test_plan.h"
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#include "ion_test_utils.h"
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#ifndef __maybe_unused
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#define __maybe_unused __attribute__((unused))
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#endif
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#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
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static struct ion_test_data mm_heap_test = {
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.align = 0x1000,
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.size = 0x1000,
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.heap_type_req = SYSTEM_MEM,
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.heap_id_mask = ION_HEAP(ION_SYSTEM_HEAP_ID),
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};
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static struct ion_test_data adv_mm_heap_test = {
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.align = 0x1000,
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.size = 0xC0000000,
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.heap_type_req = CARVEOUT,
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.heap_id_mask = ION_HEAP(ION_QSECOM_HEAP_ID),
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};
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static struct ion_test_data *mm_heap_data_settings[] = {
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[NOMINAL_TEST] = &mm_heap_test,
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[ADV_TEST] = &adv_mm_heap_test,
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};
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static int test_ualloc(const char *ion_dev, const char *msm_ion_dev __maybe_unused,
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struct ion_test_plan *ion_tp, int test_type,
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int *test_skipped)
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{
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int ion_fd, rc;
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struct ion_allocation_data alloc_data;
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struct ion_test_data *test_data;
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struct ion_test_data **test_data_table =
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(struct ion_test_data **)ion_tp->test_plan_data;
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if (test_type == NOMINAL_TEST)
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test_data = test_data_table[NOMINAL_TEST];
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else
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test_data = test_data_table[ADV_TEST];
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*test_skipped = !test_data->valid;
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if (!test_data->valid) {
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rc = 0;
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debug(INFO, "%s was skipped\n",__func__);
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goto out;
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}
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ion_fd = open(ion_dev, O_RDONLY);
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if (ion_fd < 0) {
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debug(ERR, "Failed to open msm ion test device\n");
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perror("msm ion");
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return -EIO;
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}
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alloc_data.len = test_data->size;
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alloc_data.align = test_data->align;
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alloc_data.heap_id_mask = test_data->heap_id_mask;
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alloc_data.flags = test_data->flags;
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rc = ioctl(ion_fd, ION_IOC_ALLOC, &alloc_data);
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if (rc < 0 && test_type == NOMINAL_TEST) {
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debug(ERR, "Nominal user alloc buf failed\n");
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perror("msm ion");
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goto ualloc_err;
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} else if (rc < 0 && test_type == ADV_TEST) {
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rc = 0;
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goto ualloc_err;
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} else if (rc == 0 && test_type == ADV_TEST) {
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debug(INFO, "erroneous alloc request succeeded\n");
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rc = -EIO;
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}
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ioctl(ion_fd, ION_IOC_FREE, &alloc_data.handle);
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ualloc_err:
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close(ion_fd);
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out:
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return rc;
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}
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static struct ion_test_plan ualloc_test = {
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.name = "User ion alloc buf",
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.test_plan_data = mm_heap_data_settings,
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.test_plan_data_len = 3,
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.test_type_flags = NOMINAL_TEST | ADV_TEST,
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.test_fn = test_ualloc,
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};
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static int test_umap(const char *ion_dev, const char *msm_ion_dev __maybe_unused,
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struct ion_test_plan *ion_tp, int test_type,
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int *test_skipped)
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{
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int ion_fd, map_fd, rc;
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void *addr;
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struct ion_allocation_data alloc_data;
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struct ion_fd_data fd_data;
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struct ion_test_data *test_data =
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(struct ion_test_data *)ion_tp->test_plan_data;
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*test_skipped = !test_data->valid;
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if (!test_data->valid) {
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rc = 0;
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debug(INFO, "%s was skipped\n",__func__);
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goto out;
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}
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ion_fd = open(ion_dev, O_RDONLY);
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if (ion_fd < 0) {
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debug(INFO, "Failed to open ion device\n");
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perror("msm ion");
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return -EIO;
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}
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alloc_data.len = test_data->size;
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alloc_data.align = test_data->align;
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alloc_data.heap_id_mask = test_data->heap_id_mask;
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alloc_data.flags = test_data->flags;
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rc = ioctl(ion_fd, ION_IOC_ALLOC, &alloc_data);
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if (rc) {
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debug(ERR, "Failed to allocate uspace ion buffer\n");
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goto umap_alloc_err;
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}
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/*
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* ADV TEST1: Use invalid handle
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*/
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if (test_type == ADV_TEST) {
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rc = ioctl(ion_fd, ION_IOC_MAP, &fd_data);
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if (!rc) {
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debug(INFO, "mapped using invalid handle\n");
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rc = -EIO;
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goto umap_map_err;
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}
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}
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fd_data.handle = alloc_data.handle;
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rc = ioctl(ion_fd, ION_IOC_MAP, &fd_data);
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if (rc < 0) {
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debug(INFO, "unable to ion map buffer\n");
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goto umap_map_err;
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}
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map_fd = fd_data.fd;
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/*
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* ADV test2: map twice the allocted length
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*/
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if (test_type == ADV_TEST) {
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addr = mmap(NULL, alloc_data.len * 2,
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PROT_READ | PROT_WRITE,
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MAP_SHARED, map_fd, 0);
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if (!addr) {
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debug(INFO, "mmap succeded using larger map length\n");
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munmap(addr, alloc_data.len * 2);
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rc = -EIO;
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goto umap_map_err;
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}
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}
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addr = mmap(NULL, alloc_data.len,
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PROT_READ | PROT_WRITE,
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MAP_SHARED, map_fd, 0);
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if (!addr) {
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debug(INFO, "mmap failed\n");
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goto umap_map_err;
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}
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write_pattern((unsigned long)addr, alloc_data.len);
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if (verify_pattern((unsigned long)addr, alloc_data.len)) {
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debug(INFO, "mapped buffer not writeable\n");
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rc = -EIO;
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} else
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rc = 0;
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munmap(addr, alloc_data.len);
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close(map_fd);
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ioctl(ion_fd, ION_IOC_FREE, &alloc_data.handle);
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/*
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* Nominal Test with alloc length / 2
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*/
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alloc_data.len = test_data->size * 2;
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rc = ioctl(ion_fd, ION_IOC_ALLOC, &alloc_data);
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if (rc) {
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debug(ERR, "Failed to allocate uspace ion buffer\n");
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goto umap_alloc_err;
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}
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fd_data.handle = alloc_data.handle;
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rc = ioctl(ion_fd, ION_IOC_MAP, &fd_data);
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if (rc < 0) {
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debug(INFO, "unable to ion map buffer\n");
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goto umap_map_err;
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}
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map_fd = fd_data.fd;
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addr = mmap(NULL, alloc_data.len/2,
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PROT_READ | PROT_WRITE,
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MAP_SHARED, map_fd, 0);
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if (!addr) {
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debug(INFO, "mmap failed\n");
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close(map_fd);
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goto umap_map_err;
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}
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write_pattern((unsigned long)addr, alloc_data.len/2);
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if (verify_pattern((unsigned long)addr, alloc_data.len/2)) {
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debug(INFO, "mapped buffer not writeable\n");
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rc = -EIO;
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} else
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rc = 0;
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munmap(addr, alloc_data.len/2);
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close(map_fd);
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umap_map_err:
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ioctl(ion_fd, ION_IOC_FREE, &alloc_data.handle);
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umap_alloc_err:
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close(ion_fd);
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out:
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return rc;
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}
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static struct ion_test_plan umap_test = {
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.name = "User ion buf map",
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.test_plan_data = &mm_heap_test,
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.test_plan_data_len = 1,
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.test_type_flags = NOMINAL_TEST | ADV_TEST,
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.test_fn = test_umap,
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};
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static int uimport_ion_buf(int fd)
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{
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static char cbuf[100];
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int ion_fd, size, rc;
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void *addr;
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struct ion_fd_data fd_data;
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debug(INFO, "importing data in child done\n");
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/* receive buf fd */
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if (-EIO == sock_read(fd, cbuf, sizeof(int)*8))
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return -EIO;
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fd_data.fd = atoi(cbuf);
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/* receive buf length */
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if (-EIO == sock_read(fd, cbuf, sizeof(int)*8))
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return -EIO;
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size = atoi(cbuf);
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/* receive ion dev name */
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if (-EIO == sock_read(fd, cbuf, sizeof(cbuf)))
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return -EIO;
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ion_fd = open(cbuf, O_RDONLY);
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if (ion_fd < 1) {
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debug(INFO, "unable to open ion device\n");
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rc = -EINVAL;
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goto child_args_err;
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}
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rc = ioctl(ion_fd, ION_IOC_IMPORT, &fd_data);
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if (rc) {
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debug(INFO, "ION_IOC_IMPORT failed\n");
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rc = -EIO;
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goto child_imp_err;
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}
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addr = mmap(NULL, size, PROT_READ | PROT_WRITE,
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MAP_SHARED, fd_data.fd, 0);
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if (!addr) {
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debug(INFO, "failed to map buffer\n");
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rc = -EIO;
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goto child_mmap_err;
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}
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if (verify_pattern((unsigned long)addr, (size_t)size)) {
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debug(INFO, "unable to verify imported buffer\n");
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rc = -EIO;
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} else
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debug(INFO, "import test passed\n");
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munmap(addr, size);
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child_mmap_err:
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close(fd_data.fd);
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ioctl(ion_fd, ION_IOC_FREE, &fd_data.handle);
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child_imp_err:
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close(ion_fd);
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child_args_err:
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itoa(rc, cbuf, sizeof(int)*8);
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child_sock_err:
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close(fd);
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return rc;
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}
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static int uimp_spawn_process(pid_t *pid, int *wr_fd)
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{
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int socket[2], child;
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if (pipe(socket) < 0) {
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debug(INFO, "unable to create pipe\n");
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return -EIO;
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}
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child = fork();
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if (child == -1) {
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debug(INFO, "unable to fork process\n");
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return -EIO;
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} else if (child == 0) {
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close(socket[1]);
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if (uimport_ion_buf(socket[0]))
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exit(1) ;
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exit(0);
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} else {
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*pid = child;
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close(socket[0]);
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*wr_fd = socket[1];
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return 0;
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}
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}
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static int test_uimp(const char *ion_dev, const char *msm_ion_dev __maybe_unused,
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struct ion_test_plan *ion_tp, int test_type,
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int *test_skipped)
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{
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int ion_fd, map_fd, rc, wr_fd = -1;
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int sock_fd;
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char buf[32];
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void *addr;
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struct ion_allocation_data alloc_data;
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struct ion_fd_data fd_data;
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int child_status;
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static char ubuf[100];
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pid_t tpid, child_pid = 0;
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struct ion_test_data *test_data =
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(struct ion_test_data *)ion_tp->test_plan_data;
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*test_skipped = !test_data->valid;
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if (!test_data->valid) {
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rc = 0;
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debug(INFO, "%s was skipped\n",__func__);
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goto out;
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}
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rc = uimp_spawn_process(&child_pid, &wr_fd);
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if (rc)
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return -EIO;
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ion_fd = open(ion_dev, O_RDONLY);
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if (ion_fd < 0) {
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debug(INFO, "Failed to open ion device\n");
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perror("msm ion");
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return -EIO;
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}
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alloc_data.len = test_data->size;
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alloc_data.align = test_data->align;
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alloc_data.heap_id_mask = test_data->heap_id_mask;
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alloc_data.flags = test_data->flags;
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rc = ioctl(ion_fd, ION_IOC_ALLOC, &alloc_data);
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if (rc) {
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debug(INFO, "Failed to allocate uspace ion buffer\n");
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goto uimp_alloc_err;
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}
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fd_data.handle = alloc_data.handle;
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rc = ioctl(ion_fd, ION_IOC_MAP, &fd_data);
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if (rc < 0) {
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debug(INFO, "unable to ion map buffer\n");
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goto uimp_map_err;
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}
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map_fd = fd_data.fd;
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addr = mmap(NULL, alloc_data.len,
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PROT_READ | PROT_WRITE,
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MAP_SHARED , map_fd, 0);
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if (!addr) {
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debug(INFO, "mmap failed\n");
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rc = -EIO;
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goto uimp_mmap_err;
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}
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write_pattern((unsigned long)addr, alloc_data.len);
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fd_data.handle = alloc_data.handle;
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rc = ioctl(ion_fd, ION_IOC_SHARE, &fd_data);
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if (rc < 0) {
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debug(INFO, "unable to share ion buffer\n");
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goto uimp_share_err;
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}
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if (test_type == NOMINAL_TEST)
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itoa(fd_data.fd, ubuf, sizeof(int) * 8);
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else
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itoa(ion_fd, ubuf, sizeof(int) * 8);
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if (-EIO == sock_write(wr_fd, ubuf, sizeof(int) * 8))
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goto uimp_sock_err;
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itoa(alloc_data.len, ubuf, sizeof(int) * 8);
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if (-EIO == sock_write(wr_fd, ubuf, sizeof(int) * 8))
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goto uimp_sock_err;
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strncpy(ubuf, ion_dev, sizeof(ubuf));
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if (-EIO == sock_write(wr_fd, ubuf, sizeof(ubuf)))
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goto uimp_sock_err;
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do {
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tpid = wait(&child_status);
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} while (tpid != child_pid);
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if (test_type == NOMINAL_TEST && child_status != 0)
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rc = child_status;
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else if (test_type == ADV_TEST && child_status == 0)
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rc = -EIO;
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else
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rc = 0;
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uimp_sock_err:
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close(fd_data.fd);
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uimp_share_err:
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munmap(addr, alloc_data.len);
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uimp_mmap_err:
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close(map_fd);
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uimp_map_err:
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ioctl(ion_fd, ION_IOC_FREE, &alloc_data.handle);
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uimp_alloc_err:
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close(ion_fd);
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close(wr_fd);
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out:
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return rc;
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}
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static struct ion_test_plan uimp_test = {
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.name = "User ion import test ",
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.test_plan_data = &mm_heap_test,
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.test_plan_data_len = 1,
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.test_type_flags = ADV_TEST,
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.test_fn = test_uimp,
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};
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static struct ion_test_plan *user_tests[] = {
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&ualloc_test,
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&umap_test,
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&uimp_test,
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};
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struct ion_test_plan **get_user_ion_tests(const char *dev, size_t *size)
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{
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*size = ARRAY_SIZE(user_tests);
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setup_heaps_for_tests(dev, user_tests, *size);
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return user_tests;
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}
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