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-rw-r--r--libion_ti/ion_test_2.c479
1 files changed, 479 insertions, 0 deletions
diff --git a/libion_ti/ion_test_2.c b/libion_ti/ion_test_2.c
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+++ b/libion_ti/ion_test_2.c
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+/*
+ * Copyright (C) Texas Instruments - http://www.ti.com/
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/*
+ * Test case to test ION Memory Allocator module
+ */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <getopt.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <sys/mman.h>
+#include <sys/ioctl.h>
+#include <sys/socket.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include "ion.h"
+
+size_t len = 1024*1024, align = 0;
+int prot = PROT_READ | PROT_WRITE;
+int map_flags = MAP_SHARED;
+int alloc_flags = 0;
+int test = -1;
+size_t width = 1024*1024, height = 1024*1024;
+int fmt = TILER_PIXEL_FMT_32BIT;
+int tiler_test = 0;
+size_t stride;
+
+int _ion_alloc_test(int fd, struct ion_handle **handle)
+{
+ int ret;
+
+ if (tiler_test)
+ ret = ion_alloc_tiler(fd, width, height, fmt, alloc_flags,
+ handle, &stride);
+ else
+ ret = ion_alloc(fd, len, align, alloc_flags, handle);
+
+ if (ret)
+ printf("%s() failed: %s\n", __func__, strerror(ret));
+ return ret;
+}
+
+int ion_alloc_test(int count)
+{
+ int fd, ret = 0, i, count_alloc;
+ struct ion_handle **handle;
+
+ fd = ion_open();
+ if (fd < 0) {
+ printf("%s(): FAILED to open ion device\n", __func__);
+ return -1;
+ }
+
+ handle = (struct ion_handle **)malloc(count * sizeof(struct ion_handle *));
+ if(handle == NULL) {
+ printf("%s() : FAILED to allocate memory for ion_handles\n", __func__);
+ return -ENOMEM;
+ }
+
+ /* Allocate ion_handles */
+ count_alloc = count;
+ for(i = 0; i < count; i++) {
+ ret = _ion_alloc_test(fd, &(handle[i]));
+ printf("%s(): Alloc handle[%d]=%p\n", __func__, i, handle[i]);
+ if(ret || ((int)handle[i] == -ENOMEM)) {
+ printf("%s(): Alloc handle[%d]=%p FAILED, err:%s\n",
+ __func__, i, handle[i], strerror(ret));
+ count_alloc = i;
+ goto err_alloc;
+ }
+ }
+
+ err_alloc:
+ /* Free ion_handles */
+ for (i = 0; i < count_alloc; i++) {
+ printf("%s(): Free handle[%d]=%p\n", __func__, i, handle[i]);
+ ret = ion_free(fd, handle[i]);
+ if (ret) {
+ printf("%s(): Free handle[%d]=%p FAILED, err:%s\n",
+ __func__, i, handle[i], strerror(ret));
+ }
+ }
+
+ ion_close(fd);
+ free(handle);
+ handle = NULL;
+
+ if(ret || (count_alloc != count)) {
+ printf("\nion alloc test: FAILED\n\n");
+ if(count_alloc != count)
+ ret = -ENOMEM;
+ }
+ else
+ printf("\nion alloc test: PASSED\n\n");
+
+ return ret;
+}
+
+void _ion_tiler_map_test(unsigned char *ptr)
+{
+ size_t row, col;
+
+ for (row = 0; row < height; row++)
+ for (col = 0; col < width; col++) {
+ int i = (row * stride) + col;
+ ptr[i] = (unsigned char)i;
+ }
+ for (row = 0; row < height; row++)
+ for (col = 0; col < width; col++) {
+ int i = (row * stride) + col;
+ if (ptr[i] != (unsigned char)i)
+ printf("%s(): FAILED, wrote %d read %d from mapped "
+ "memory\n", __func__, i, ptr[i]);
+ }
+}
+
+void _ion_map_test(unsigned char *ptr)
+{
+ size_t i;
+
+ for (i = 0; i < len; i++) {
+ ptr[i] = (unsigned char)i;
+ }
+ for (i = 0; i < len; i++) {
+ if (ptr[i] != (unsigned char)i)
+ printf("%s(): failed wrote %d read %d from mapped "
+ "memory\n", __func__, i, ptr[i]);
+ }
+}
+
+int ion_map_test(int count)
+{
+ int fd, ret = 0, i, count_alloc, count_map;
+ struct ion_handle **handle;
+ unsigned char **ptr;
+ int *map_fd;
+
+ fd = ion_open();
+ if (fd < 0) {
+ printf("%s(): FAILED to open ion device\n", __func__);
+ return -1;
+ }
+
+ handle = (struct ion_handle **)malloc(count * sizeof(struct ion_handle *));
+ if(handle == NULL) {
+ printf("%s(): FAILED to allocate memory for ion_handles\n", __func__);
+ return -ENOMEM;
+ }
+
+ count_alloc = count;
+ count_map = count;
+
+ /* Allocate ion_handles */
+ for(i = 0; i < count; i++) {
+ ret = _ion_alloc_test(fd, &(handle[i]));
+ printf("%s(): Alloc handle[%d]=%p\n", __func__, i, handle[i]);
+ if(ret || ((int)handle[i] == -ENOMEM)) {
+ printf("%s(): Alloc handle[%d]=%p FAILED, err:%s\n",
+ __func__, i, handle[i], strerror(ret));
+ count_alloc = i;
+ goto err_alloc;
+ }
+ }
+
+ /* Map ion_handles and validate */
+ if (tiler_test)
+ len = height * stride;
+
+ ptr = (unsigned char **)malloc(count * sizeof(unsigned char **));
+ map_fd = (int *)malloc(count * sizeof(int *));
+
+ for(i = 0; i < count; i++) {
+ /* Map ion_handle on userside */
+ ret = ion_map(fd, handle[i], len, prot, map_flags, 0, &(ptr[i]), &(map_fd[i]));
+ printf("%s(): Map handle[%d]=%p, map_fd=%d, ptr=%p\n",
+ __func__, i, handle[i], map_fd[i], ptr[i]);
+ if(ret) {
+ printf("%s Map handle[%d]=%p FAILED, err:%s\n",
+ __func__, i, handle[i], strerror(ret));
+ count_map = i;
+ goto err_map;
+ }
+
+ /* Validate mapping by writing the data and reading it back */
+ if (tiler_test)
+ _ion_tiler_map_test(ptr[i]);
+ else
+ _ion_map_test(ptr[i]);
+ }
+
+ /* clean up properly */
+ err_map:
+ for(i = 0; i < count_map; i++) {
+ /* Unmap ion_handles */
+ ret = munmap(ptr[i], len);
+ printf("%s(): Unmap handle[%d]=%p, map_fd=%d, ptr=%p\n",
+ __func__, i, handle[i], map_fd[i], ptr[i]);
+ if(ret) {
+ printf("%s(): Unmap handle[%d]=%p FAILED, err:%s\n",
+ __func__, i, handle[i], strerror(ret));
+ goto err_map;
+ }
+ /* Close fds */
+ close(map_fd[i]);
+ }
+ free(map_fd);
+ free(ptr);
+
+ err_alloc:
+ /* Free ion_handles */
+ for (i = 0; i < count_alloc; i++) {
+ printf("%s(): Free handle[%d]=%p\n", __func__, i, handle[i]);
+ ret = ion_free(fd, handle[i]);
+ if (ret) {
+ printf("%s(): Free handle[%d]=%p FAILED, err:%s\n",
+ __func__, i, handle[i], strerror(ret));
+ }
+ }
+
+ ion_close(fd);
+ free(handle);
+ handle = NULL;
+
+ if(ret || (count_alloc != count) || (count_map != count))
+ {
+ printf("\nion map test: FAILED\n\n");
+ if((count_alloc != count) || (count_map != count))
+ ret = -ENOMEM;
+ } else
+ printf("\nion map test: PASSED\n");
+
+ return ret;
+}
+
+/**
+ * Go on allocating buffers of specified size & type, untill the allocation fails.
+ * Then free 10 buffers and allocate 10 buffers again.
+ */
+int ion_alloc_fail_alloc_test()
+{
+ int fd, ret = 0, i;
+ struct ion_handle **handle;
+ const int COUNT_ALLOC_MAX = 200;
+ const int COUNT_REALLOC_MAX = 10;
+ int count_alloc = COUNT_ALLOC_MAX, count_realloc = COUNT_ALLOC_MAX;
+
+ fd = ion_open();
+ if (fd < 0) {
+ printf("%s(): FAILED to open ion device\n", __func__);
+ return -1;
+ }
+
+ handle = (struct ion_handle **)malloc(COUNT_ALLOC_MAX * sizeof(struct ion_handle *));
+ if(handle == NULL) {
+ printf("%s(): FAILED to allocate memory for ion_handles\n", __func__);
+ return -ENOMEM;
+ }
+
+ /* Allocate ion_handles as much as possible */
+ for(i = 0; i < COUNT_ALLOC_MAX; i++) {
+ ret = _ion_alloc_test(fd, &(handle[i]));
+ printf("%s(): Alloc handle[%d]=%p\n", __func__, i, handle[i]);
+ if(ret || ((int)handle[i] == -ENOMEM)) {
+ printf("%s(): Alloc handle[%d]=%p FAILED, err:%s\n\n",
+ __func__, i, handle[i], strerror(ret));
+ count_alloc = i;
+ break;
+ }
+ }
+
+ /* Free COUNT_REALLOC_MAX ion_handles */
+ for (i = count_alloc-1; i > (count_alloc-1 - COUNT_REALLOC_MAX); i--) {
+ printf("%s(): Free handle[%d]=%p\n", __func__, i, handle[i]);
+ ret = ion_free(fd, handle[i]);
+ if (ret) {
+ printf("%s(): Free handle[%d]=%p FAILED, err:%s\n\n",
+ __func__, i, handle[i], strerror(ret));
+ }
+ }
+
+ /* Again allocate COUNT_REALLOC_MAX ion_handles to test
+ that we are still able to allocate */
+ for(i = (count_alloc - COUNT_REALLOC_MAX); i < count_alloc; i++) {
+ ret = _ion_alloc_test(fd, &(handle[i]));
+ printf("%s(): Alloc handle[%d]=%p\n", __func__, i, handle[i]);
+ if(ret || ((int)handle[i] == -ENOMEM)) {
+ printf("%s(): Alloc handle[%d]=%p FAILED, err:%s\n\n",
+ __func__, i, handle[i], strerror(ret));
+ count_realloc = i;
+ goto err_alloc;
+ }
+ }
+ count_realloc = i;
+
+ err_alloc:
+ /* Free all ion_handles */
+ for (i = 0; i < count_alloc; i++) {
+ printf("%s(): Free handle[%d]=%p\n", __func__, i, handle[i]);
+ ret = ion_free(fd, handle[i]);
+ if (ret) {
+ printf("%s(): Free handle[%d]=%p FAILED, err:%s\n",
+ __func__, i, handle[i], strerror(ret));
+ }
+ }
+
+ ion_close(fd);
+ free(handle);
+ handle = NULL;
+
+ printf("\ncount_alloc=%d, count_realloc=%d\n",count_alloc, count_realloc);
+
+ if(ret || (count_alloc != count_realloc)) {
+ printf("\nion alloc->fail->alloc test: FAILED\n\n");
+ if(count_alloc != COUNT_ALLOC_MAX)
+ ret = -ENOMEM;
+ }
+ else
+ printf("\nion alloc->fail->alloc test: PASSED\n\n");
+
+ return ret;
+}
+
+int custom_test(int test_number)
+{
+ switch(test_number) {
+ case 1 :
+ return ion_alloc_fail_alloc_test();
+ default :
+ printf("%s(): Invalid custom_test_number=%d\n", __func__, test_number);
+ return -EINVAL;
+ }
+}
+
+int main(int argc, char* argv[]) {
+ int c, ret;
+ unsigned int count = 1, iteration = 1, j, custom_test_num = 1;
+ enum tests {
+ ALLOC_TEST = 0, MAP_TEST, CUSTOM_TEST,
+ };
+
+ while (1) {
+ static struct option opts[] = {
+ {"alloc", no_argument, 0, 'a'},
+ {"alloc_flags", required_argument, 0, 'f'},
+ {"map", no_argument, 0, 'm'},
+ {"custom", required_argument, 0, 'c'},
+ {"len", required_argument, 0, 'l'},
+ {"align", required_argument, 0, 'g'},
+ {"map_flags", required_argument, 0, 'z'},
+ {"prot", required_argument, 0, 'p'},
+ {"alloc_tiler", no_argument, 0, 't'},
+ {"width", required_argument, 0, 'w'},
+ {"height", required_argument, 0, 'h'},
+ {"fmt", required_argument, 0, 'r'},
+ {"count", required_argument, 0, 'n'},
+ {"iteration", required_argument, 0, 'i'},
+ };
+ int i = 0;
+ c = getopt_long(argc, argv, "af:h:l:mr:stw:c:n:i:", opts, &i);
+ if (c == -1)
+ break;
+
+ switch (c) {
+ case 'l':
+ len = atol(optarg);
+ break;
+ case 'g':
+ align = atol(optarg);
+ break;
+ case 'z':
+ map_flags = 0;
+ map_flags |= strstr(optarg, "PROT_EXEC") ?
+ PROT_EXEC : 0;
+ map_flags |= strstr(optarg, "PROT_READ") ?
+ PROT_READ: 0;
+ map_flags |= strstr(optarg, "PROT_WRITE") ?
+ PROT_WRITE: 0;
+ map_flags |= strstr(optarg, "PROT_NONE") ?
+ PROT_NONE: 0;
+ break;
+ case 'p':
+ prot = 0;
+ prot |= strstr(optarg, "MAP_PRIVATE") ?
+ MAP_PRIVATE : 0;
+ prot |= strstr(optarg, "MAP_SHARED") ?
+ MAP_PRIVATE : 0;
+ break;
+ case 'f':
+ alloc_flags = atol(optarg);
+ break;
+ case 'a':
+ test = ALLOC_TEST;
+ break;
+ case 'm':
+ test = MAP_TEST;
+ break;
+ case 'c':
+ test = CUSTOM_TEST;
+ printf("KALP : Case 'c'\n");
+ custom_test_num = atol(optarg);
+ break;
+ case 'r':
+ fmt = atol(optarg);
+ break;
+ case 'w':
+ width = atol(optarg);
+ break;
+ case 'h':
+ height = atol(optarg);
+ break;
+ case 't':
+ tiler_test = 1;
+ break;
+ case 'n':
+ printf("KALP : Case 'n'\n");
+ count = atol(optarg);
+ break;
+ case 'i':
+ printf("KALP : Case 'i'\n");
+ iteration = atol(optarg);
+ break;
+ }
+ }
+ printf("test %d, len %u, width %u, height %u, fmt %u, align %u, count %d, "
+ "iteration %d, map_flags %d, prot %d, alloc_flags %d\n", test, len, width,
+ height, fmt, align, count, iteration, map_flags, prot, alloc_flags);
+
+ switch (test) {
+ case ALLOC_TEST:
+ for(j = 0; j < iteration; j++) {
+ ret = ion_alloc_test(count);
+ if(ret) {
+ printf("\nion alloc test: FAILED at iteration-%d\n", j+1);
+ break;
+ }
+ }
+ break;
+
+ case MAP_TEST:
+ for(j = 0; j < iteration; j++) {
+ ret = ion_map_test(count);
+ if(ret) {
+ printf("\nion map test: FAILED at iteration-%d\n", j+1);
+ break;
+ }
+ }
+ break;
+
+ case CUSTOM_TEST:
+ ret = custom_test(custom_test_num);
+ if(ret) {
+ printf("\nion custom test #%d: FAILED\n", custom_test_num);
+ }
+ break;
+
+ default:
+ printf("must specify a test (alloc, map, custom)\n");
+ }
+
+ return 0;
+}