diff options
-rw-r--r-- | atrace/Android.mk | 17 | ||||
-rw-r--r-- | atrace/MODULE_LICENSE_APACHE2 | 0 | ||||
-rw-r--r-- | atrace/NOTICE | 190 | ||||
-rw-r--r-- | atrace/atrace.c | 607 | ||||
-rw-r--r-- | bugmailer/src/com/android/commands/sendbug/SendBug.java | 2 | ||||
-rw-r--r-- | micro_bench/Android.mk | 12 | ||||
-rw-r--r-- | su/su.c | 87 | ||||
-rw-r--r-- | tests/crypto/Android.mk | 12 | ||||
-rw-r--r-- | tests/crypto/get_dm_versions.c | 57 | ||||
-rw-r--r-- | tests/ext4/Android.mk | 3 | ||||
-rw-r--r-- | tests/framebuffer/Android.mk | 8 | ||||
-rw-r--r-- | tests/framebuffer/mdp_test.c | 324 | ||||
-rw-r--r-- | tests/storage/Android.mk | 17 | ||||
-rw-r--r-- | tests/storage/opentest.c | 95 | ||||
-rw-r--r-- | tests/storage/wipe_blkdev.c | 131 |
15 files changed, 400 insertions, 1162 deletions
diff --git a/atrace/Android.mk b/atrace/Android.mk deleted file mode 100644 index 12526d02..00000000 --- a/atrace/Android.mk +++ /dev/null @@ -1,17 +0,0 @@ -# Copyright 2012 The Android Open Source Project - -LOCAL_PATH:= $(call my-dir) -include $(CLEAR_VARS) - -LOCAL_SRC_FILES:= atrace.c - -LOCAL_C_INCLUDES += external/zlib -LOCAL_CFLAGS += -std=c99 - -LOCAL_MODULE:= atrace - -LOCAL_MODULE_TAGS:= optional - -LOCAL_SHARED_LIBRARIES := libz - -include $(BUILD_EXECUTABLE) diff --git a/atrace/MODULE_LICENSE_APACHE2 b/atrace/MODULE_LICENSE_APACHE2 deleted file mode 100644 index e69de29b..00000000 --- a/atrace/MODULE_LICENSE_APACHE2 +++ /dev/null diff --git a/atrace/NOTICE b/atrace/NOTICE deleted file mode 100644 index c77f135e..00000000 --- a/atrace/NOTICE +++ /dev/null @@ -1,190 +0,0 @@ - - Copyright (c) 2012, The Android Open Source Project - - Licensed under the Apache License, Version 2.0 (the "License"); - you may not use this file except in compliance with the License. - - 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. - - - Apache License - Version 2.0, January 2004 - http://www.apache.org/licenses/ - - TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION - - 1. Definitions. - - "License" shall mean the terms and conditions for use, reproduction, - and distribution as defined by Sections 1 through 9 of this document. - - "Licensor" shall mean the copyright owner or entity authorized by - the copyright owner that is granting the License. - - "Legal Entity" shall mean the union of the acting entity and all - other entities that control, are controlled by, or are under common - control with that entity. For the purposes of this definition, - "control" means (i) the power, direct or indirect, to cause the - direction or management of such entity, whether by contract or - otherwise, or (ii) ownership of fifty percent (50%) or more of the - outstanding shares, or (iii) beneficial ownership of such entity. - - "You" (or "Your") shall mean an individual or Legal Entity - exercising permissions granted by this License. - - "Source" form shall mean the preferred form for making modifications, - including but not limited to software source code, documentation - source, and configuration files. - - "Object" form shall mean any form resulting from mechanical - transformation or translation of a Source form, including but - not limited to compiled object code, generated documentation, - and conversions to other media types. - - "Work" shall mean the work of authorship, whether in Source or - Object form, made available under the License, as indicated by a - copyright notice that is included in or attached to the work - (an example is provided in the Appendix below). - - "Derivative Works" shall mean any work, whether in Source or Object - form, that is based on (or derived from) the Work and for which the - editorial revisions, annotations, elaborations, or other modifications - represent, as a whole, an original work of authorship. For the purposes - of this License, Derivative Works shall not include works that remain - separable from, or merely link (or bind by name) to the interfaces of, - the Work and Derivative Works thereof. - - "Contribution" shall mean any work of authorship, including - the original version of the Work and any modifications or additions - to that Work or Derivative Works thereof, that is intentionally - submitted to Licensor for inclusion in the Work by the copyright owner - or by an individual or Legal Entity authorized to submit on behalf of - the copyright owner. For the purposes of this definition, "submitted" - means any form of electronic, verbal, or written communication sent - to the Licensor or its representatives, including but not limited to - communication on electronic mailing lists, source code control systems, - and issue tracking systems that are managed by, or on behalf of, the - Licensor for the purpose of discussing and improving the Work, but - excluding communication that is conspicuously marked or otherwise - designated in writing by the copyright owner as "Not a Contribution." - - "Contributor" shall mean Licensor and any individual or Legal Entity - on behalf of whom a Contribution has been received by Licensor and - subsequently incorporated within the Work. - - 2. Grant of Copyright License. Subject to the terms and conditions of - this License, each Contributor hereby grants to You a perpetual, - worldwide, non-exclusive, no-charge, royalty-free, irrevocable - copyright license to reproduce, prepare Derivative Works of, - publicly display, publicly perform, sublicense, and distribute the - Work and such Derivative Works in Source or Object form. - - 3. Grant of Patent License. Subject to the terms and conditions of - this License, each Contributor hereby grants to You a perpetual, - worldwide, non-exclusive, no-charge, royalty-free, irrevocable - (except as stated in this section) patent license to make, have made, - use, offer to sell, sell, import, and otherwise transfer the Work, - where such license applies only to those patent claims licensable - by such Contributor that are necessarily infringed by their - Contribution(s) alone or by combination of their Contribution(s) - with the Work to which such Contribution(s) was submitted. If You - institute patent litigation against any entity (including a - cross-claim or counterclaim in a lawsuit) alleging that the Work - or a Contribution incorporated within the Work constitutes direct - or contributory patent infringement, then any patent licenses - granted to You under this License for that Work shall terminate - as of the date such litigation is filed. - - 4. Redistribution. You may reproduce and distribute copies of the - Work or Derivative Works thereof in any medium, with or without - modifications, and in Source or Object form, provided that You - meet the following conditions: - - (a) You must give any other recipients of the Work or - Derivative Works a copy of this License; and - - (b) You must cause any modified files to carry prominent notices - stating that You changed the files; and - - (c) You must retain, in the Source form of any Derivative Works - that You distribute, all copyright, patent, trademark, and - attribution notices from the Source form of the Work, - excluding those notices that do not pertain to any part of - the Derivative Works; and - - (d) If the Work includes a "NOTICE" text file as part of its - distribution, then any Derivative Works that You distribute must - include a readable copy of the attribution notices contained - within such NOTICE file, excluding those notices that do not - pertain to any part of the Derivative Works, in at least one - of the following places: within a NOTICE text file distributed - as part of the Derivative Works; within the Source form or - documentation, if provided along with the Derivative Works; or, - within a display generated by the Derivative Works, if and - wherever such third-party notices normally appear. The contents - of the NOTICE file are for informational purposes only and - do not modify the License. You may add Your own attribution - notices within Derivative Works that You distribute, alongside - or as an addendum to the NOTICE text from the Work, provided - that such additional attribution notices cannot be construed - as modifying the License. - - You may add Your own copyright statement to Your modifications and - may provide additional or different license terms and conditions - for use, reproduction, or distribution of Your modifications, or - for any such Derivative Works as a whole, provided Your use, - reproduction, and distribution of the Work otherwise complies with - the conditions stated in this License. - - 5. Submission of Contributions. Unless You explicitly state otherwise, - any Contribution intentionally submitted for inclusion in the Work - by You to the Licensor shall be under the terms and conditions of - this License, without any additional terms or conditions. - Notwithstanding the above, nothing herein shall supersede or modify - the terms of any separate license agreement you may have executed - with Licensor regarding such Contributions. - - 6. Trademarks. This License does not grant permission to use the trade - names, trademarks, service marks, or product names of the Licensor, - except as required for reasonable and customary use in describing the - origin of the Work and reproducing the content of the NOTICE file. - - 7. Disclaimer of Warranty. Unless required by applicable law or - agreed to in writing, Licensor provides the Work (and each - Contributor provides its Contributions) on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or - implied, including, without limitation, any warranties or conditions - of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A - PARTICULAR PURPOSE. You are solely responsible for determining the - appropriateness of using or redistributing the Work and assume any - risks associated with Your exercise of permissions under this License. - - 8. Limitation of Liability. In no event and under no legal theory, - whether in tort (including negligence), contract, or otherwise, - unless required by applicable law (such as deliberate and grossly - negligent acts) or agreed to in writing, shall any Contributor be - liable to You for damages, including any direct, indirect, special, - incidental, or consequential damages of any character arising as a - result of this License or out of the use or inability to use the - Work (including but not limited to damages for loss of goodwill, - work stoppage, computer failure or malfunction, or any and all - other commercial damages or losses), even if such Contributor - has been advised of the possibility of such damages. - - 9. Accepting Warranty or Additional Liability. While redistributing - the Work or Derivative Works thereof, You may choose to offer, - and charge a fee for, acceptance of support, warranty, indemnity, - or other liability obligations and/or rights consistent with this - License. However, in accepting such obligations, You may act only - on Your own behalf and on Your sole responsibility, not on behalf - of any other Contributor, and only if You agree to indemnify, - defend, and hold each Contributor harmless for any liability - incurred by, or claims asserted against, such Contributor by reason - of your accepting any such warranty or additional liability. - - END OF TERMS AND CONDITIONS - diff --git a/atrace/atrace.c b/atrace/atrace.c deleted file mode 100644 index 2d9b4f84..00000000 --- a/atrace/atrace.c +++ /dev/null @@ -1,607 +0,0 @@ -/* - * Copyright (C) 2012 The Android Open Source Project - * - * 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. - */ - -#include <errno.h> -#include <fcntl.h> -#include <signal.h> -#include <stdarg.h> -#include <stdbool.h> -#include <stdio.h> -#include <stdlib.h> -#include <sys/sendfile.h> -#include <time.h> -#include <zlib.h> - -#define NELEM(x) ((int) (sizeof(x) / sizeof((x)[0]))) - -/* Command line options */ -static int g_traceDurationSeconds = 5; -static bool g_traceSchedSwitch = false; -static bool g_traceFrequency = false; -static bool g_traceBusUtilization = false; -static bool g_traceCpuIdle = false; -static bool g_traceDisk = false; -static bool g_traceGovernorLoad = false; -static bool g_traceSync = false; -static bool g_traceWorkqueue = false; -static bool g_traceOverwrite = false; -static int g_traceBufferSizeKB = 2048; -static bool g_compress = false; -static bool g_nohup = false; -static int g_initialSleepSecs = 0; - -/* Global state */ -static bool g_traceAborted = false; - -/* Sys file paths */ -static const char* k_traceClockPath = - "/sys/kernel/debug/tracing/trace_clock"; - -static const char* k_traceBufferSizePath = - "/sys/kernel/debug/tracing/buffer_size_kb"; - -static const char* k_tracingOverwriteEnablePath = - "/sys/kernel/debug/tracing/options/overwrite"; - -static const char* k_schedSwitchEnablePath = - "/sys/kernel/debug/tracing/events/sched/sched_switch/enable"; - -static const char* k_schedWakeupEnablePath = - "/sys/kernel/debug/tracing/events/sched/sched_wakeup/enable"; - -static const char* k_memoryBusEnablePath = - "/sys/kernel/debug/tracing/events/memory_bus/enable"; - -static const char* k_cpuFreqEnablePath = - "/sys/kernel/debug/tracing/events/power/cpu_frequency/enable"; - -static const char *k_clockSetRateEnablePath = - "/sys/kernel/debug/tracing/events/power/clock_set_rate/enable"; - -static const char* k_cpuIdleEnablePath = - "/sys/kernel/debug/tracing/events/power/cpu_idle/enable"; - -static const char* k_governorLoadEnablePath = - "/sys/kernel/debug/tracing/events/cpufreq_interactive/enable"; - -static const char* k_syncEnablePath = - "/sys/kernel/debug/tracing/events/sync/enable"; - -static const char* k_workqueueEnablePath = - "/sys/kernel/debug/tracing/events/workqueue/enable"; - -static const char* k_diskEnablePaths[] = { - "/sys/kernel/debug/tracing/events/ext4/ext4_sync_file_enter/enable", - "/sys/kernel/debug/tracing/events/ext4/ext4_sync_file_exit/enable", - "/sys/kernel/debug/tracing/events/block/block_rq_issue/enable", - "/sys/kernel/debug/tracing/events/block/block_rq_complete/enable", -}; - -static const char* k_tracingOnPath = - "/sys/kernel/debug/tracing/tracing_on"; - -static const char* k_tracePath = - "/sys/kernel/debug/tracing/trace"; - -static const char* k_traceMarkerPath = - "/sys/kernel/debug/tracing/trace_marker"; - -// Check whether a file exists. -static bool fileExists(const char* filename) { - return access(filename, F_OK) != -1; -} - -// Write a string to a file, returning true if the write was successful. -bool writeStr(const char* filename, const char* str) -{ - int fd = open(filename, O_WRONLY); - if (fd == -1) { - fprintf(stderr, "error opening %s: %s (%d)\n", filename, - strerror(errno), errno); - return false; - } - - bool ok = true; - ssize_t len = strlen(str); - if (write(fd, str, len) != len) { - fprintf(stderr, "error writing to %s: %s (%d)\n", filename, - strerror(errno), errno); - ok = false; - } - - close(fd); - - return ok; -} - -// Enable or disable a kernel option by writing a "1" or a "0" into a /sys file. -static bool setKernelOptionEnable(const char* filename, bool enable) -{ - return writeStr(filename, enable ? "1" : "0"); -} - -// Enable or disable a collection of kernel options by writing a "1" or a "0" into each /sys file. -static bool setMultipleKernelOptionsEnable(const char** filenames, size_t count, bool enable) -{ - bool result = true; - for (size_t i = 0; i < count; i++) { - result &= setKernelOptionEnable(filenames[i], enable); - } - return result; -} - -// Enable or disable overwriting of the kernel trace buffers. Disabling this -// will cause tracing to stop once the trace buffers have filled up. -static bool setTraceOverwriteEnable(bool enable) -{ - return setKernelOptionEnable(k_tracingOverwriteEnablePath, enable); -} - -// Enable or disable tracing of the kernel scheduler switching. -static bool setSchedSwitchTracingEnable(bool enable) -{ - bool ok = true; - ok &= setKernelOptionEnable(k_schedSwitchEnablePath, enable); - ok &= setKernelOptionEnable(k_schedWakeupEnablePath, enable); - return ok; -} - -// Enable or disable tracing of the Bus utilization. -static bool setBusUtilizationTracingEnable(bool enable) -{ - bool ok = true, oneSet = false; - // these can be platform specific so make sure that at least - // one succeeds. - if (fileExists(k_memoryBusEnablePath)) { - ok &= setKernelOptionEnable(k_memoryBusEnablePath, enable); - oneSet |= ok; - } - return ok && (oneSet || !enable); -} - -// Enable or disable tracing of the CPU clock frequency. -static bool setFrequencyTracingEnable(bool enable) -{ - bool ok = true; - ok &= setKernelOptionEnable(k_cpuFreqEnablePath, enable); - if (fileExists(k_clockSetRateEnablePath)) { - ok &= setKernelOptionEnable(k_clockSetRateEnablePath, enable); - } - return ok; -} - -// Enable or disable tracing of CPU idle events. -static bool setCpuIdleTracingEnable(bool enable) -{ - return setKernelOptionEnable(k_cpuIdleEnablePath, enable); -} - -// Enable or disable tracing of the interactive CPU frequency governor's idea of -// the CPU load. -static bool setGovernorLoadTracingEnable(bool enable) -{ - bool ok = true; - if (fileExists(k_governorLoadEnablePath) || enable) { - ok &= setKernelOptionEnable(k_governorLoadEnablePath, enable); - } - return ok; -} - -// Enable or disable tracing of sync timelines and waits. -static bool setSyncTracingEnabled(bool enable) -{ - bool ok = true; - if (fileExists(k_syncEnablePath) || enable) { - ok &= setKernelOptionEnable(k_syncEnablePath, enable); - } - return ok; -} - -// Enable or disable tracing of the kernel workqueues. -static bool setWorkqueueTracingEnabled(bool enable) -{ - return setKernelOptionEnable(k_workqueueEnablePath, enable); -} - -// Enable or disable tracing of disk I/O. -static bool setDiskTracingEnabled(bool enable) -{ - return setMultipleKernelOptionsEnable(k_diskEnablePaths, NELEM(k_diskEnablePaths), enable); -} - -// Enable or disable kernel tracing. -static bool setTracingEnabled(bool enable) -{ - return setKernelOptionEnable(k_tracingOnPath, enable); -} - -// Clear the contents of the kernel trace. -static bool clearTrace() -{ - int traceFD = creat(k_tracePath, 0); - if (traceFD == -1) { - fprintf(stderr, "error truncating %s: %s (%d)\n", k_tracePath, - strerror(errno), errno); - return false; - } - - close(traceFD); - - return true; -} - -// Set the size of the kernel's trace buffer in kilobytes. -static bool setTraceBufferSizeKB(int size) -{ - char str[32] = "1"; - int len; - if (size < 1) { - size = 1; - } - snprintf(str, 32, "%d", size); - return writeStr(k_traceBufferSizePath, str); -} - -// Enable or disable the kernel's use of the global clock. Disabling the global -// clock will result in the kernel using a per-CPU local clock. -static bool setGlobalClockEnable(bool enable) -{ - return writeStr(k_traceClockPath, enable ? "global" : "local"); -} - -// Enable tracing in the kernel. -static bool startTrace(bool isRoot) -{ - bool ok = true; - - // Set up the tracing options that don't require root. - ok &= setTraceOverwriteEnable(g_traceOverwrite); - ok &= setSchedSwitchTracingEnable(g_traceSchedSwitch); - ok &= setFrequencyTracingEnable(g_traceFrequency); - ok &= setCpuIdleTracingEnable(g_traceCpuIdle); - ok &= setGovernorLoadTracingEnable(g_traceGovernorLoad); - ok &= setTraceBufferSizeKB(g_traceBufferSizeKB); - ok &= setGlobalClockEnable(true); - - // Set up the tracing options that do require root. The options that - // require root should have errored out earlier if we're not running as - // root. - if (isRoot) { - ok &= setBusUtilizationTracingEnable(g_traceBusUtilization); - ok &= setSyncTracingEnabled(g_traceSync); - ok &= setWorkqueueTracingEnabled(g_traceWorkqueue); - ok &= setDiskTracingEnabled(g_traceDisk); - } - - // Enable tracing. - ok &= setTracingEnabled(true); - - if (!ok) { - fprintf(stderr, "error: unable to start trace\n"); - } - - return ok; -} - -// Disable tracing in the kernel. -static void stopTrace(bool isRoot) -{ - // Disable tracing. - setTracingEnabled(false); - - // Set the options back to their defaults. - setTraceOverwriteEnable(true); - setSchedSwitchTracingEnable(false); - setFrequencyTracingEnable(false); - setGovernorLoadTracingEnable(false); - setGlobalClockEnable(false); - - if (isRoot) { - setBusUtilizationTracingEnable(false); - setSyncTracingEnabled(false); - setWorkqueueTracingEnabled(false); - setDiskTracingEnabled(false); - } - - // Note that we can't reset the trace buffer size here because that would - // clear the trace before we've read it. -} - -// Read the current kernel trace and write it to stdout. -static void dumpTrace() -{ - int traceFD = open(k_tracePath, O_RDWR); - if (traceFD == -1) { - fprintf(stderr, "error opening %s: %s (%d)\n", k_tracePath, - strerror(errno), errno); - return; - } - - if (g_compress) { - z_stream zs; - uint8_t *in, *out; - int result, flush; - - bzero(&zs, sizeof(zs)); - result = deflateInit(&zs, Z_DEFAULT_COMPRESSION); - if (result != Z_OK) { - fprintf(stderr, "error initializing zlib: %d\n", result); - close(traceFD); - return; - } - - const size_t bufSize = 64*1024; - in = (uint8_t*)malloc(bufSize); - out = (uint8_t*)malloc(bufSize); - flush = Z_NO_FLUSH; - - zs.next_out = out; - zs.avail_out = bufSize; - - do { - - if (zs.avail_in == 0) { - // More input is needed. - result = read(traceFD, in, bufSize); - if (result < 0) { - fprintf(stderr, "error reading trace: %s (%d)\n", - strerror(errno), errno); - result = Z_STREAM_END; - break; - } else if (result == 0) { - flush = Z_FINISH; - } else { - zs.next_in = in; - zs.avail_in = result; - } - } - - if (zs.avail_out == 0) { - // Need to write the output. - result = write(STDOUT_FILENO, out, bufSize); - if ((size_t)result < bufSize) { - fprintf(stderr, "error writing deflated trace: %s (%d)\n", - strerror(errno), errno); - result = Z_STREAM_END; // skip deflate error message - zs.avail_out = bufSize; // skip the final write - break; - } - zs.next_out = out; - zs.avail_out = bufSize; - } - - } while ((result = deflate(&zs, flush)) == Z_OK); - - if (result != Z_STREAM_END) { - fprintf(stderr, "error deflating trace: %s\n", zs.msg); - } - - if (zs.avail_out < bufSize) { - size_t bytes = bufSize - zs.avail_out; - result = write(STDOUT_FILENO, out, bytes); - if ((size_t)result < bytes) { - fprintf(stderr, "error writing deflated trace: %s (%d)\n", - strerror(errno), errno); - } - } - - result = deflateEnd(&zs); - if (result != Z_OK) { - fprintf(stderr, "error cleaning up zlib: %d\n", result); - } - - free(in); - free(out); - } else { - ssize_t sent = 0; - while ((sent = sendfile(STDOUT_FILENO, traceFD, NULL, 64*1024*1024)) > 0); - if (sent == -1) { - fprintf(stderr, "error dumping trace: %s (%d)\n", strerror(errno), - errno); - } - } - - close(traceFD); -} - -// Print the command usage help to stderr. -static void showHelp(const char *cmd) -{ - fprintf(stderr, "usage: %s [options]\n", cmd); - fprintf(stderr, "options include:\n" - " -b N use a trace buffer size of N KB\n" - " -c trace into a circular buffer\n" - " -d trace disk I/O\n" - " -f trace clock frequency changes\n" - " -l trace CPU frequency governor load\n" - " -s trace the kernel scheduler switches\n" - " -t N trace for N seconds [defualt 5]\n" - " -u trace bus utilization\n" - " -w trace the kernel workqueue\n" - " -y trace sync timelines and waits\n" - " -z compress the trace dump\n"); -} - -static void handleSignal(int signo) { - if (!g_nohup) { - g_traceAborted = true; - } -} - -static void registerSigHandler() { - struct sigaction sa; - sigemptyset(&sa.sa_mask); - sa.sa_flags = 0; - sa.sa_handler = handleSignal; - sigaction(SIGHUP, &sa, NULL); - sigaction(SIGINT, &sa, NULL); - sigaction(SIGQUIT, &sa, NULL); - sigaction(SIGTERM, &sa, NULL); -} - -int main(int argc, char **argv) -{ - bool isRoot = (getuid() == 0); - - if (argc == 2 && 0 == strcmp(argv[1], "--help")) { - showHelp(argv[0]); - exit(0); - } - - for (;;) { - int ret; - - ret = getopt(argc, argv, "b:cidflst:uwyznS:"); - - if (ret < 0) { - break; - } - - switch(ret) { - case 'b': - g_traceBufferSizeKB = atoi(optarg); - break; - - case 'c': - g_traceOverwrite = true; - break; - - case 'i': - g_traceCpuIdle = true; - break; - - case 'l': - g_traceGovernorLoad = true; - break; - - case 'd': - if (!isRoot) { - fprintf(stderr, "error: tracing disk activity requires root privileges\n"); - exit(1); - } - g_traceDisk = true; - break; - - case 'f': - g_traceFrequency = true; - break; - - case 'n': - g_nohup = true; - break; - - case 's': - g_traceSchedSwitch = true; - break; - - case 'S': - g_initialSleepSecs = atoi(optarg); - break; - - case 't': - g_traceDurationSeconds = atoi(optarg); - break; - - case 'u': - if (!isRoot) { - fprintf(stderr, "error: tracing bus utilization requires root privileges\n"); - exit(1); - } - g_traceBusUtilization = true; - break; - - case 'w': - if (!isRoot) { - fprintf(stderr, "error: tracing kernel work queues requires root privileges\n"); - exit(1); - } - g_traceWorkqueue = true; - break; - - case 'y': - if (!isRoot) { - fprintf(stderr, "error: tracing sync requires root privileges\n"); - exit(1); - } - g_traceSync = true; - break; - - case 'z': - g_compress = true; - break; - - default: - fprintf(stderr, "\n"); - showHelp(argv[0]); - exit(-1); - break; - } - } - - registerSigHandler(); - - if (g_initialSleepSecs > 0) { - sleep(g_initialSleepSecs); - } - - bool ok = startTrace(isRoot); - - if (ok) { - printf("capturing trace..."); - fflush(stdout); - - // We clear the trace after starting it because tracing gets enabled for - // each CPU individually in the kernel. Having the beginning of the trace - // contain entries from only one CPU can cause "begin" entries without a - // matching "end" entry to show up if a task gets migrated from one CPU to - // another. - ok = clearTrace(); - - if (ok) { - // Sleep to allow the trace to be captured. - struct timespec timeLeft; - timeLeft.tv_sec = g_traceDurationSeconds; - timeLeft.tv_nsec = 0; - do { - if (g_traceAborted) { - break; - } - } while (nanosleep(&timeLeft, &timeLeft) == -1 && errno == EINTR); - } - } - - // Stop the trace and restore the default settings. - stopTrace(isRoot); - - if (ok) { - if (!g_traceAborted) { - printf(" done\nTRACE:\n"); - fflush(stdout); - dumpTrace(); - } else { - printf("\ntrace aborted.\n"); - fflush(stdout); - } - clearTrace(); - } else { - fprintf(stderr, "unable to start tracing\n"); - } - - // Reset the trace buffer size to 1. - setTraceBufferSizeKB(1); - - return g_traceAborted ? 1 : 0; -} diff --git a/bugmailer/src/com/android/commands/sendbug/SendBug.java b/bugmailer/src/com/android/commands/sendbug/SendBug.java index f47ff9b3..b650fe02 100644 --- a/bugmailer/src/com/android/commands/sendbug/SendBug.java +++ b/bugmailer/src/com/android/commands/sendbug/SendBug.java @@ -75,7 +75,7 @@ public class SendBug { return; } try { - am.startActivityAsUser(null, intent, intent.getType(), null, null, 0, 0, + am.startActivityAsUser(null, null, intent, intent.getType(), null, null, 0, 0, null, null, null, UserHandle.USER_CURRENT); } catch (RemoteException e) { // ignore diff --git a/micro_bench/Android.mk b/micro_bench/Android.mk index 0e819c37..2b4b5764 100644 --- a/micro_bench/Android.mk +++ b/micro_bench/Android.mk @@ -8,3 +8,15 @@ LOCAL_MODULE_TAGS := debug LOCAL_MODULE := micro_bench include $(BUILD_EXECUTABLE) + +include $(CLEAR_VARS) + +LOCAL_SRC_FILES := micro_bench.c + +LOCAL_MODULE_PATH := $(TARGET_OUT_OPTIONAL_EXECUTABLES) +LOCAL_MODULE_TAGS := debug +LOCAL_MODULE := micro_bench_static +LOCAL_STATIC_LIBRARIES = libc +LOCAL_FORCE_STATIC_EXECUTABLE := true + +include $(BUILD_EXECUTABLE) @@ -31,18 +31,79 @@ #include <private/android_filesystem_config.h> + +void pwtoid(const char *tok, uid_t *uid, gid_t *gid) +{ + struct passwd *pw; + pw = getpwnam(tok); + if (pw) { + if (uid) *uid = pw->pw_uid; + if (gid) *gid = pw->pw_gid; + } else { + uid_t tmpid = atoi(tok); + if (uid) *uid = tmpid; + if (gid) *gid = tmpid; + } +} + +void extract_uidgids(const char *uidgids, uid_t *uid, gid_t *gid, gid_t *gids, + int *gids_count) +{ + char *clobberablegids; + char *nexttok; + char *tok; + int gids_found; + + if (!uidgids || !*uidgids) { + *gid = *uid = 0; + *gids_count = 0; + return; + } + clobberablegids = strdup(uidgids); + strcpy(clobberablegids, uidgids); + nexttok = clobberablegids; + tok = strsep(&nexttok, ","); + pwtoid(tok, uid, gid); + tok = strsep(&nexttok, ","); + if (!tok) { + /* gid is already set above */ + *gids_count = 0; + free(clobberablegids); + return; + } + pwtoid(tok, NULL, gid); + gids_found = 0; + while ((gids_found < *gids_count) && (tok = strsep(&nexttok, ","))) { + pwtoid(tok, NULL, gids); + gids_found++; + gids++; + } + if (nexttok && gids_found == *gids_count) { + fprintf(stderr, "too many group ids\n"); + } + *gids_count = gids_found; + free(clobberablegids); +} + /* * SU can be given a specific command to exec. UID _must_ be * specified for this (ie argc => 3). * * Usage: - * su 1000 - * su 1000 ls -l + * su 1000 + * su 1000 ls -l + * or + * su [uid[,gid[,group1]...] [cmd]] + * E.g. + * su 1000,shell,net_bw_acct,net_bw_stats id + * will return + * uid=1000(system) gid=2000(shell) groups=3006(net_bw_stats),3007(net_bw_acct) */ int main(int argc, char **argv) { struct passwd *pw; - int uid, gid, myuid; + uid_t uid, myuid; + gid_t gid, gids[10]; /* Until we have something better, only root and the shell can use su. */ myuid = getuid(); @@ -54,13 +115,13 @@ int main(int argc, char **argv) if(argc < 2) { uid = gid = 0; } else { - pw = getpwnam(argv[1]); - - if(pw == 0) { - uid = gid = atoi(argv[1]); - } else { - uid = pw->pw_uid; - gid = pw->pw_gid; + int gids_count = sizeof(gids)/sizeof(gids[0]); + extract_uidgids(argv[1], &uid, &gid, gids, &gids_count); + if(gids_count) { + if(setgroups(gids_count, gids)) { + fprintf(stderr, "su: failed to set groups\n"); + return 1; + } } } @@ -72,9 +133,10 @@ int main(int argc, char **argv) /* User specified command for exec. */ if (argc == 3 ) { if (execlp(argv[2], argv[2], NULL) < 0) { + int saved_errno = errno; fprintf(stderr, "su: exec failed for %s Error:%s\n", argv[2], strerror(errno)); - return -errno; + return -saved_errno; } } else if (argc > 3) { /* Copy the rest of the args from main. */ @@ -82,9 +144,10 @@ int main(int argc, char **argv) memset(exec_args, 0, sizeof(exec_args)); memcpy(exec_args, &argv[2], sizeof(exec_args)); if (execvp(argv[2], exec_args) < 0) { + int saved_errno = errno; fprintf(stderr, "su: exec failed for %s Error:%s\n", argv[2], strerror(errno)); - return -errno; + return -saved_errno; } } diff --git a/tests/crypto/Android.mk b/tests/crypto/Android.mk new file mode 100644 index 00000000..f1500cea --- /dev/null +++ b/tests/crypto/Android.mk @@ -0,0 +1,12 @@ +# Copyright 2013 The Android Open Source Project + +LOCAL_PATH:= $(call my-dir) + +include $(CLEAR_VARS) + +LOCAL_SRC_FILES:= get_dm_versions.c +LOCAL_MODULE:= get_dm_versions +LOCAL_MODULE_TAGS := optional +LOCAL_C_INCLUDES := $(KERNEL_HEADERS) +LOCAL_CFLAGS := +include $(BUILD_EXECUTABLE) diff --git a/tests/crypto/get_dm_versions.c b/tests/crypto/get_dm_versions.c new file mode 100644 index 00000000..6df74918 --- /dev/null +++ b/tests/crypto/get_dm_versions.c @@ -0,0 +1,57 @@ +#include <stdio.h> +#include <fcntl.h> +#include <unistd.h> +#include <sys/ioctl.h> +#include <linux/dm-ioctl.h> +#include <stdlib.h> + +#define DM_CRYPT_BUF_SIZE 4096 + +static void ioctl_init(struct dm_ioctl *io, size_t dataSize, const char *name, unsigned flags) +{ + memset(io, 0, dataSize); + io->data_size = dataSize; + io->data_start = sizeof(struct dm_ioctl); + io->version[0] = 4; + io->version[1] = 0; + io->version[2] = 0; + io->flags = flags; + if (name) { + strncpy(io->name, name, sizeof(io->name)); + } +} + +int main(int argc, char *argv[]) +{ + char buffer[DM_CRYPT_BUF_SIZE]; + struct dm_ioctl *io; + struct dm_target_versions *v; + int i; + int fd; + + fd = open("/dev/device-mapper", O_RDWR); + if (fd < 0) { + fprintf(stderr, "Cannot open /dev/device-mapper\n"); + exit(1); + } + + io = (struct dm_ioctl *) buffer; + + ioctl_init(io, DM_CRYPT_BUF_SIZE, NULL, 0); + + if (ioctl(fd, DM_LIST_VERSIONS, io)) { + fprintf(stderr, "ioctl(DM_LIST_VERSIONS) returned an error\n"); + exit(1); + } + + /* Iterate over the returned versions, and print each subsystem's version */ + v = (struct dm_target_versions *) &buffer[sizeof(struct dm_ioctl)]; + while (v->next) { + printf("%s: %d.%d.%d\n", v->name, v->version[0], v->version[1], v->version[2]); + v = (struct dm_target_versions *)(((char *)v) + v->next); + } + + close(fd); + exit(0); +} + diff --git a/tests/ext4/Android.mk b/tests/ext4/Android.mk index 36f2e17d..0c0cdd08 100644 --- a/tests/ext4/Android.mk +++ b/tests/ext4/Android.mk @@ -4,7 +4,6 @@ LOCAL_PATH:= $(call my-dir) include $(CLEAR_VARS) LOCAL_SRC_FILES:= corrupt_gdt_free_blocks.c - LOCAL_MODULE:= corrupt_gdt_free_blocks LOCAL_MODULE_TAGS := debug LOCAL_C_INCLUDES += system/extras/ext4_utils @@ -15,7 +14,6 @@ include $(BUILD_EXECUTABLE) include $(CLEAR_VARS) LOCAL_SRC_FILES:= set_ext4_err_bit.c - LOCAL_MODULE:= set_ext4_err_bit LOCAL_MODULE_TAGS := debug @@ -25,7 +23,6 @@ include $(BUILD_EXECUTABLE) include $(CLEAR_VARS) LOCAL_SRC_FILES:= rand_emmc_perf.c - LOCAL_MODULE:= rand_emmc_perf LOCAL_MODULE_TAGS := optional LOCAL_FORCE_STATIC_EXECUTABLE := true diff --git a/tests/framebuffer/Android.mk b/tests/framebuffer/Android.mk index 3ee98281..75a9f75d 100644 --- a/tests/framebuffer/Android.mk +++ b/tests/framebuffer/Android.mk @@ -22,11 +22,3 @@ LOCAL_MODULE_TAGS := optional LOCAL_FORCE_STATIC_EXECUTABLE := true LOCAL_STATIC_LIBRARIES := libc include $(BUILD_EXECUTABLE) - -include $(CLEAR_VARS) -LOCAL_SRC_FILES := mdp_test.c -LOCAL_MODULE = test-mdp -LOCAL_MODULE_TAGS := optional -LOCAL_FORCE_STATIC_EXECUTABLE := true -LOCAL_STATIC_LIBRARIES := libc -include $(BUILD_EXECUTABLE) diff --git a/tests/framebuffer/mdp_test.c b/tests/framebuffer/mdp_test.c deleted file mode 100644 index 506852fa..00000000 --- a/tests/framebuffer/mdp_test.c +++ /dev/null @@ -1,324 +0,0 @@ -/* - * Copyright (C) 2007 Google Inc. - * - * 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. - */ - -#include <stdlib.h> -#include <unistd.h> -#include <fcntl.h> -#include <stdio.h> -#include <sys/ioctl.h> -#include <sys/mman.h> -#include <sys/stat.h> -#include <sys/types.h> - -#include <linux/fb.h> -#include <linux/msm_mdp.h> - -static struct fb_var_screeninfo vi; - -static int open_file(char *name, int *fd, int *len, int *fmt) -{ - struct stat stat; - char *type, *fn; - - type = name; - fn = strchr(name, ':'); - if (!fn) - return -1; - *(fn++) = '\0'; - - if (!strncmp(type, "yuv420", 6)) - *fmt = MDP_Y_CBCR_H2V2; - else if (!strncmp(type, "rgb565", 6)) - *fmt = MDP_RGB_565; - else { - fprintf(stderr, "Unsupported image type: %s\n", type); - return -1; - } - - *fd = open(fn, O_RDONLY); - if (*fd < 0) { - perror("cannot open file"); - return -1; - } - - if (fstat(*fd, &stat) < 0) { - perror("cannot fstat file"); - goto err; - } - - *len = stat.st_size; - - printf("Successfully opened file %s (fmt=%d len=%d fd=%d)\n", fn, *fmt, - *len, *fd); - return 0; - -err: - close(*fd); - return -1; -} - -static int get_pmem(int *fd, void **data, int sz) -{ - *fd = open("/dev/pmem", O_RDWR | O_NONBLOCK | O_SYNC); - if (*fd < 0) { - perror("cannot open /dev/pmem"); - return -1; - } - - sz = (sz + PAGE_SIZE - 1) & ~(PAGE_SIZE - 1); - *data = mmap(NULL, sz, PROT_READ | PROT_WRITE, MAP_SHARED, *fd, 0); - if (*data == MAP_FAILED) { - perror("pmem mmap"); - goto err_pmem_mmap; - } - - return 0; - -err_pmem_mmap: - close(*fd); - return -1; -} - -static int get_framebuffer(int *fd, char **fb, int *width, int *height) -{ - struct fb_fix_screeninfo fi; - void *bits; - - *fd = open("/dev/graphics/fb0", O_RDWR); - if(*fd < 0) { - perror("cannot open fb0"); - return -1; - } - - if(ioctl(*fd, FBIOGET_FSCREENINFO, &fi) < 0) { - perror("failed to get fb0 info"); - return -1; - } - - if(ioctl(*fd, FBIOGET_VSCREENINFO, &vi) < 0) { - perror("failed to get fb0 info"); - return -1; - } - - bits = mmap(0, fi.smem_len, PROT_READ | PROT_WRITE, MAP_SHARED, *fd, 0); - if(bits == MAP_FAILED) { - perror("failed to mmap framebuffer"); - return -1; - } - - *width = vi.xres; - *height = vi.yres; - *fb = bits; - return 0; -} - -static void set_active_framebuffer(int fd, unsigned n) -{ - - if(n > 1) return; - vi.yres_virtual = vi.yres * 2; - vi.yoffset = n * vi.yres; - if(ioctl(fd, FBIOPUT_VSCREENINFO, &vi) < 0) { - fprintf(stderr,"active fb swap failed!\n"); - } -} - -/* geometry: WxH+X+Y */ -int parse_geometry(char *geom, int *w, int *h, int *x, int *y) -{ - char *ptr; - - *w = *h = 0; - - if (!(ptr = strchr(geom, 'x'))) - return -1; - *ptr = '\0'; - *w = atoi(geom); - geom = ptr + 1; - - ptr = strchr(geom, '+'); - if (ptr) - *ptr = '\0'; - *h = atoi(geom); - if (!ptr) - return 0; - - geom = ptr + 1; - - if (!x || !y || !(ptr = strchr(geom, '+'))) - return -1; - *ptr = '\0'; - *x = atoi(geom); - geom = ptr + 1; - - *y = atoi(geom); - - return 0; -} - -int main(int argc, const char *argv[]) -{ - int fb_fd, width, height; - char* fb; - struct mdp_blit_req_list *req_list; - struct mdp_blit_req *req; - int opt; - int srcw = 0, srch = 0, dstw = 0, dsth = 0; - int srcx = 0; int srcy = 0; - int dstx = 10; int dsty = 10; - int src_imgw = 0, src_imgh = 0, dst_imgw = 0, dst_imgh = 0; - int from; - int src_fmt; - int dst_fmt = MDP_RGB_565; - int src_fd = -1; - void *src_data; - - req_list = malloc(sizeof(struct mdp_blit_req_list) + - sizeof(struct mdp_blit_req)); - req_list->count = 1; - req = req_list->req; - - - while ((opt = getopt(argc, argv, "s:d:f:t:u:v:")) != -1) { - switch (opt) { - case 's': - if (parse_geometry(optarg, &srcw, &srch, &srcx, &srcy)) { - fprintf(stderr, "Can't parse source\n"); - exit(-1); - } - printf("Got source: w=%d h=%d x=%d y=%d\n", srcw, srch, srcx, srcy); - break; - - case 'd': - if (parse_geometry(optarg, &dstw, &dsth, &dstx, &dsty)) { - fprintf(stderr, "Can't parse dest\n"); - exit(-1); - } - printf("Got dest: w=%d h=%d x=%d y=%d\n", dstw, dsth, dstx, dsty); - break; - - case 'u': - if (parse_geometry(optarg, &src_imgw, &src_imgh, NULL, NULL)) { - fprintf(stderr, "Can't parse src image size\n"); - exit(-1); - } - printf("Got src img sz: w=%d h=%d\n", src_imgw, src_imgh); - break; - - case 'v': - if (parse_geometry(optarg, &dst_imgw, &dst_imgh, NULL, NULL)) { - fprintf(stderr, "Can't parse dst image size\n"); - exit(-1); - } - printf("Got dst img sz: w=%d h=%d\n", dst_imgw, dst_imgh); - break; - - case 'f': - { - int file_fd; - int file_len; - int bytes; - void *ptr; - if (open_file(optarg, &file_fd, &file_len, &src_fmt) < 0) { - fprintf(stderr, "Can't open source file\n"); - exit(-1); - } - - if (get_pmem(&src_fd, &src_data, file_len) < 0) { - close(file_fd); - exit(-1); - } - - ptr = src_data; - while (file_len) { - bytes = read(file_fd, ptr, file_len); - if (bytes < 0) { - perror("Could not read data from file"); - exit(-1); - } - file_len -= bytes; - ptr += bytes; - } - } - break; - - case 't': - if (!strncmp(optarg, "yuv420", 6)) - dst_fmt = MDP_Y_CBCR_H2V2; -#if 0 - else if (!strncmp(optarg, "rgb565", 6)) - dst_fmt = MDP_RGB_565; -#endif - break; - - default: - fprintf(stderr, "Usage: %s -s source -d dest\n", argv[0]); - exit(-1); - } - } - - if (get_framebuffer(&fb_fd, &fb, &width, &height)) { - printf("couldnt' get fb\n"); - return -1; - } - - set_active_framebuffer(fb_fd, 0); - - if (!src_imgw || !src_imgh) { - src_imgw = width; - src_imgh = height; - } - - if (!dst_imgw || !dst_imgh) { - dst_imgw = width; - dst_imgh = height; - } - - if (src_fd < 0) { - src_fd = fb_fd; - src_fmt = MDP_RGB_565; - } - - req->src.width = src_imgw; - req->src.height = src_imgh; - req->src.format = src_fmt; - req->src.offset = 0; - req->src.memory_id = src_fd; - req->src_rect.x = srcx; - req->src_rect.y = srcy; - req->src_rect.w = srcw; - req->src_rect.h = srch; - - req->dst.width = dst_imgw; - req->dst.height = dst_imgh; - req->dst.format = dst_fmt; - req->dst.offset = 0; - req->dst.memory_id = fb_fd; - req->dst_rect.x = dstx; - req->dst_rect.y = dsty; - req->dst_rect.w = dstw; - req->dst_rect.h = dsth; - req->alpha = MDP_ALPHA_NOP; - req->transp_mask = MDP_TRANSP_NOP; -// req->flags = MDP_ROT_90; - req->flags = MDP_ROT_NOP; - - if(ioctl(fb_fd, MSMFB_BLIT, req_list)) - fprintf(stderr, "crap, failed blit\n"); - - printf("Done\n"); - return 0; -} diff --git a/tests/storage/Android.mk b/tests/storage/Android.mk new file mode 100644 index 00000000..462ebef6 --- /dev/null +++ b/tests/storage/Android.mk @@ -0,0 +1,17 @@ +# Copyright 2013 The Android Open Source Project + +LOCAL_PATH:= $(call my-dir) +include $(CLEAR_VARS) + +include $(CLEAR_VARS) +LOCAL_SRC_FILES := opentest.c +LOCAL_MODULE := opentest +LOCAL_MODULE_TAGS := optional +include $(BUILD_EXECUTABLE) + +include $(CLEAR_VARS) +LOCAL_SRC_FILES := wipe_blkdev.c +LOCAL_MODULE := wipe_blkdev +LOCAL_MODULE_TAGS := optional +include $(BUILD_EXECUTABLE) + diff --git a/tests/storage/opentest.c b/tests/storage/opentest.c new file mode 100644 index 00000000..05d55869 --- /dev/null +++ b/tests/storage/opentest.c @@ -0,0 +1,95 @@ +/* + * Copyright (C) 2012 The Android Open Source Project + * + * 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. + */ + +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <sys/time.h> +#include <sys/resource.h> + +int main(int argc, char *argv[]) +{ + int i; + int nfiles; + int *fds; + char *dir; + struct stat statbuf; + char name[16]; + struct rlimit rlim; + + if (argc != 3) { + fprintf(stderr, "Usage: opentest <directory> <num_files>\n"); + exit(1); + } + + dir = argv[1]; + + nfiles = atoi(argv[2]); + if ((nfiles <= 0) || (nfiles > 65536)) { + fprintf(stderr, "num_files must be between 1 and 65536\n"); + exit(1); + } + + if (stat(dir, &statbuf)) { + fprintf(stderr, "Cannot stat %s\n", dir); + exit(1); + } + + if (! S_ISDIR(statbuf.st_mode)) { + fprintf(stderr, "%s is not a directory!\n", dir); + exit(1); + } + + if (access(dir, R_OK | W_OK)) { + fprintf(stderr, "No access to %s\n", dir); + exit(1); + } + + fds = malloc(nfiles * sizeof(int)); + if (fds == 0) { + fprintf(stderr, "Unable to malloc array of %d fds\n", nfiles); + exit(1); + } + + if (chdir(dir)) { + fprintf(stderr, "Cannot chdir to %s\n", dir); + exit(1); + } + + rlim.rlim_cur = nfiles + 10; + rlim.rlim_max = nfiles + 10; + if (setrlimit(RLIMIT_NOFILE, &rlim)) { + fprintf(stderr, "Unable to raise RLIMIT_NOFILE to %ld\n", rlim.rlim_cur); + exit(1); + } + + for (i = 0; i < nfiles; i++) { + snprintf(name, sizeof(name), "%d", i); + fds[i] = open(name, O_WRONLY | O_CREAT, 0666); + if (fds[i] < 0) { + fprintf(stderr, "Unable to open %d fd\n", i); + exit(1); + } + } + + /* Rely upon exit to cleanup! */ + exit(0); +} + + diff --git a/tests/storage/wipe_blkdev.c b/tests/storage/wipe_blkdev.c new file mode 100644 index 00000000..43b630b9 --- /dev/null +++ b/tests/storage/wipe_blkdev.c @@ -0,0 +1,131 @@ +/* + * Copyright (C) 2011, 2012 The Android Open Source Project + * + * 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. + */ + +#include <stdlib.h> +#include <stdio.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <unistd.h> +#include <sys/ioctl.h> +#include <linux/fs.h> +#include <errno.h> + +typedef unsigned long long u64; + +#ifndef BLKDISCARD +#define BLKDISCARD _IO(0x12,119) +#endif + +#ifndef BLKSECDISCARD +#define BLKSECDISCARD _IO(0x12,125) +#endif + +static u64 get_block_device_size(int fd) +{ + u64 size = 0; + int ret; + + ret = ioctl(fd, BLKGETSIZE64, &size); + + if (ret) + return 0; + + return size; +} + +static int wipe_block_device(int fd, u64 len, int secure) +{ + u64 range[2]; + int ret; + int req; + + range[0] = 0; + range[1] = len; + if (secure) { + req = BLKSECDISCARD; + } else { + req = BLKDISCARD; + } + + ret = ioctl(fd, req, &range); + if (ret < 0) { + fprintf(stderr, "%s discard failed, errno = %d\n", + secure ? "Secure" : "Nonsecure", errno); + } + + return ret; +} + +static void usage(void) +{ + fprintf(stderr, "Usage: wipe_blkdev [-s] <partition>\n"); + exit(1); +} + +int main(int argc, char *argv[]) +{ + int secure = 0; + char *devname; + int fd; + u64 len; + struct stat statbuf; + int ret; + + if ((argc != 2) && (argc != 3)) { + usage(); + } + + if (argc == 3) { + if (!strcmp(argv[1], "-s")) { + secure = 1; + devname = argv[2]; + } else { + usage(); + } + } else { + devname = argv[1]; + } + + fd = open(devname, O_RDWR); + if (fd < 0) { + fprintf(stderr, "Cannot open device %s\n", devname); + exit(1); + } + + if (fstat(fd, &statbuf) < 0) { + fprintf(stderr, "Cannot stat %s\n", devname); + exit(1); + } + + if (!S_ISBLK(statbuf.st_mode)) { + fprintf(stderr, "%s is not a block device\n", devname); + exit(1); + } + + len = get_block_device_size(fd); + + if (! len) { + fprintf(stderr, "Cannot get size of block device %s\n", devname); + exit(1); + } + + ret = wipe_block_device(fd, len, secure); + + close(fd); + + return ret; +} |