/* * DMA Engine test module * * Copyright (C) 2007 Atmel Corporation * Copyright (C) 2013 Intel Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include #include #include #include #include #include #include #include #include #include #include #include static unsigned int test_buf_size = 16384; module_param(test_buf_size, uint, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(test_buf_size, "Size of the memcpy test buffer"); static char test_device[32]; module_param_string(device, test_device, sizeof(test_device), S_IRUGO | S_IWUSR); MODULE_PARM_DESC(device, "Bus ID of the DMA Engine to test (default: any)"); static unsigned int threads_per_chan = 1; module_param(threads_per_chan, uint, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(threads_per_chan, "Number of threads to start per channel (default: 1)"); static unsigned int max_channels; module_param(max_channels, uint, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(max_channels, "Maximum number of channels to use (default: all)"); static unsigned int iterations; module_param(iterations, uint, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(iterations, "Iterations before stopping test (default: infinite)"); static unsigned int dmatest; module_param(dmatest, uint, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(dmatest, "dmatest 0-memcpy 1-memset (default: 0)"); static unsigned int xor_sources = 3; module_param(xor_sources, uint, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(xor_sources, "Number of xor source buffers (default: 3)"); static unsigned int pq_sources = 3; module_param(pq_sources, uint, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(pq_sources, "Number of p+q source buffers (default: 3)"); static int timeout = 3000; module_param(timeout, uint, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(timeout, "Transfer Timeout in msec (default: 3000), " "Pass -1 for infinite timeout"); static bool noverify; module_param(noverify, bool, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(noverify, "Disable data verification (default: verify)"); static bool norandom; module_param(norandom, bool, 0644); MODULE_PARM_DESC(norandom, "Disable random offset setup (default: random)"); static bool verbose; module_param(verbose, bool, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(verbose, "Enable \"success\" result messages (default: off)"); static int alignment = -1; module_param(alignment, int, 0644); MODULE_PARM_DESC(alignment, "Custom data address alignment taken as 2^(alignment) (default: not used (-1))"); static unsigned int transfer_size; module_param(transfer_size, uint, 0644); MODULE_PARM_DESC(transfer_size, "Optional custom transfer size in bytes (default: not used (0))"); /** * struct dmatest_params - test parameters. * @buf_size: size of the memcpy test buffer * @channel: bus ID of the channel to test * @device: bus ID of the DMA Engine to test * @threads_per_chan: number of threads to start per channel * @max_channels: maximum number of channels to use * @iterations: iterations before stopping test * @xor_sources: number of xor source buffers * @pq_sources: number of p+q source buffers * @timeout: transfer timeout in msec, -1 for infinite timeout */ struct dmatest_params { unsigned int buf_size; char channel[20]; char device[32]; unsigned int threads_per_chan; unsigned int max_channels; unsigned int iterations; unsigned int xor_sources; unsigned int pq_sources; int timeout; bool noverify; bool norandom; int alignment; unsigned int transfer_size; }; /** * struct dmatest_info - test information. * @params: test parameters * @lock: access protection to the fields of this structure */ static struct dmatest_info { /* Test parameters */ struct dmatest_params params; /* Internal state */ struct list_head channels; unsigned int nr_channels; struct mutex lock; bool did_init; } test_info = { .channels = LIST_HEAD_INIT(test_info.channels), .lock = __MUTEX_INITIALIZER(test_info.lock), }; static int dmatest_run_set(const char *val, const struct kernel_param *kp); static int dmatest_run_get(char *val, const struct kernel_param *kp); static const struct kernel_param_ops run_ops = { .set = dmatest_run_set, .get = dmatest_run_get, }; static bool dmatest_run; module_param_cb(run, &run_ops, &dmatest_run, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(run, "Run the test (default: false)"); static int dmatest_chan_set(const char *val, const struct kernel_param *kp); static int dmatest_chan_get(char *val, const struct kernel_param *kp); static const struct kernel_param_ops multi_chan_ops = { .set = dmatest_chan_set, .get = dmatest_chan_get, }; static char test_channel[20]; static struct kparam_string newchan_kps = { .string = test_channel, .maxlen = 20, }; module_param_cb(channel, &multi_chan_ops, &newchan_kps, 0644); MODULE_PARM_DESC(channel, "Bus ID of the channel to test (default: any)"); static int dmatest_test_list_get(char *val, const struct kernel_param *kp); static const struct kernel_param_ops test_list_ops = { .get = dmatest_test_list_get, }; module_param_cb(test_list, &test_list_ops, NULL, 0444); MODULE_PARM_DESC(test_list, "Print current test list"); /* Maximum amount of mismatched bytes in buffer to print */ #define MAX_ERROR_COUNT 32 /* * Initialization patterns. All bytes in the source buffer has bit 7 * set, all bytes in the destination buffer has bit 7 cleared. * * Bit 6 is set for all bytes which are to be copied by the DMA * engine. Bit 5 is set for all bytes which are to be overwritten by * the DMA engine. * * The remaining bits are the inverse of a counter which increments by * one for each byte address. */ #define PATTERN_SRC 0x80 #define PATTERN_DST 0x00 #define PATTERN_COPY 0x40 #define PATTERN_OVERWRITE 0x20 #define PATTERN_COUNT_MASK 0x1f #define PATTERN_MEMSET_IDX 0x01 /* Fixed point arithmetic ops */ #define FIXPT_SHIFT 8 #define FIXPNT_MASK 0xFF #define FIXPT_TO_INT(a) ((a) >> FIXPT_SHIFT) #define INT_TO_FIXPT(a) ((a) << FIXPT_SHIFT) #define FIXPT_GET_FRAC(a) ((((a) & FIXPNT_MASK) * 100) >> FIXPT_SHIFT) /* poor man's completion - we want to use wait_event_freezable() on it */ struct dmatest_done { bool done; wait_queue_head_t *wait; }; struct dmatest_thread { struct list_head node; struct dmatest_info *info; struct task_struct *task; struct dma_chan *chan; u8 **srcs; u8 **usrcs; u8 **dsts; u8 **udsts; enum dma_transaction_type type; wait_queue_head_t done_wait; struct dmatest_done test_done; bool done; bool pending; }; struct dmatest_chan { struct list_head node; struct dma_chan *chan; struct list_head threads; }; static DECLARE_WAIT_QUEUE_HEAD(thread_wait); static bool wait; static bool is_threaded_test_run(struct dmatest_info *info) { struct dmatest_chan *dtc; list_for_each_entry(dtc, &info->channels, node) { struct dmatest_thread *thread; list_for_each_entry(thread, &dtc->threads, node) { if (!thread->done) return true; } } return false; } static bool is_threaded_test_pending(struct dmatest_info *info) { struct dmatest_chan *dtc; list_for_each_entry(dtc, &info->channels, node) { struct dmatest_thread *thread; list_for_each_entry(thread, &dtc->threads, node) { if (thread->pending) return true; } } return false; } static int dmatest_wait_get(char *val, const struct kernel_param *kp) { struct dmatest_info *info = &test_info; struct dmatest_params *params = &info->params; if (params->iterations) wait_event(thread_wait, !is_threaded_test_run(info)); wait = true; return param_get_bool(val, kp); } static const struct kernel_param_ops wait_ops = { .get = dmatest_wait_get, .set = param_set_bool, }; module_param_cb(wait, &wait_ops, &wait, S_IRUGO); MODULE_PARM_DESC(wait, "Wait for tests to complete (default: false)"); static bool dmatest_match_channel(struct dmatest_params *params, struct dma_chan *chan) { if (params->channel[0] == '\0') return true; return strcmp(dma_chan_name(chan), params->channel) == 0; } static bool dmatest_match_device(struct dmatest_params *params, struct dma_device *device) { if (params->device[0] == '\0') return true; return strcmp(dev_name(device->dev), params->device) == 0; } static unsigned long dmatest_random(void) { unsigned long buf; prandom_bytes(&buf, sizeof(buf)); return buf; } static inline u8 gen_inv_idx(u8 index, bool is_memset) { u8 val = is_memset ? PATTERN_MEMSET_IDX : index; return ~val & PATTERN_COUNT_MASK; } static inline u8 gen_src_value(u8 index, bool is_memset) { return PATTERN_SRC | gen_inv_idx(index, is_memset); } static inline u8 gen_dst_value(u8 index, bool is_memset) { return PATTERN_DST | gen_inv_idx(index, is_memset); } static void dmatest_init_srcs(u8 **bufs, unsigned int start, unsigned int len, unsigned int buf_size, bool is_memset) { unsigned int i; u8 *buf; for (; (buf = *bufs); bufs++) { for (i = 0; i < start; i++) buf[i] = gen_src_value(i, is_memset); for ( ; i < start + len; i++) buf[i] = gen_src_value(i, is_memset) | PATTERN_COPY; for ( ; i < buf_size; i++) buf[i] = gen_src_value(i, is_memset); buf++; } } static void dmatest_init_dsts(u8 **bufs, unsigned int start, unsigned int len, unsigned int buf_size, bool is_memset) { unsigned int i; u8 *buf; for (; (buf = *bufs); bufs++) { for (i = 0; i < start; i++) buf[i] = gen_dst_value(i, is_memset); for ( ; i < start + len; i++) buf[i] = gen_dst_value(i, is_memset) | PATTERN_OVERWRITE; for ( ; i < buf_size; i++) buf[i] = gen_dst_value(i, is_memset); } } static void dmatest_mismatch(u8 actual, u8 pattern, unsigned int index, unsigned int counter, bool is_srcbuf, bool is_memset) { u8 diff = actual ^ pattern; u8 expected = pattern | gen_inv_idx(counter, is_memset); const char *thread_name = current->comm; if (is_srcbuf) pr_warn("%s: srcbuf[0x%x] overwritten! Expected %02x, got %02x\n", thread_name, index, expected, actual); else if ((pattern & PATTERN_COPY) && (diff & (PATTERN_COPY | PATTERN_OVERWRITE))) pr_warn("%s: dstbuf[0x%x] not copied! Expected %02x, got %02x\n", thread_name, index, expected, actual); else if (diff & PATTERN_SRC) pr_warn("%s: dstbuf[0x%x] was copied! Expected %02x, got %02x\n", thread_name, index, expected, actual); else pr_warn("%s: dstbuf[0x%x] mismatch! Expected %02x, got %02x\n", thread_name, index, expected, actual); } static unsigned int dmatest_verify(u8 **bufs, unsigned int start, unsigned int end, unsigned int counter, u8 pattern, bool is_srcbuf, bool is_memset) { unsigned int i; unsigned int error_count = 0; u8 actual; u8 expected; u8 *buf; unsigned int counter_orig = counter; for (; (buf = *bufs); bufs++) { counter = counter_orig; for (i = start; i < end; i++) { actual = buf[i]; expected = pattern | gen_inv_idx(counter, is_memset); if (actual != expected) { if (error_count < MAX_ERROR_COUNT) dmatest_mismatch(actual, pattern, i, counter, is_srcbuf, is_memset); error_count++; } counter++; } } if (error_count > MAX_ERROR_COUNT) pr_warn("%s: %u errors suppressed\n", current->comm, error_count - MAX_ERROR_COUNT); return error_count; } static void dmatest_callback(void *arg) { struct dmatest_done *done = arg; struct dmatest_thread *thread = container_of(done, struct dmatest_thread, test_done); if (!thread->done) { done->done = true; wake_up_all(done->wait); } else { /* * If thread->done, it means that this callback occurred * after the parent thread has cleaned up. This can * happen in the case that driver doesn't implement * the terminate_all() functionality and a dma operation * did not occur within the timeout period */ WARN(1, "dmatest: Kernel memory may be corrupted!!\n"); } } static unsigned int min_odd(unsigned int x, unsigned int y) { unsigned int val = min(x, y); return val % 2 ? val : val - 1; } static void result(const char *err, unsigned int n, unsigned int src_off, unsigned int dst_off, unsigned int len, unsigned long data) { pr_info("%s: result #%u: '%s' with src_off=0x%x dst_off=0x%x len=0x%x (%lu)\n", current->comm, n, err, src_off, dst_off, len, data); } static void dbg_result(const char *err, unsigned int n, unsigned int src_off, unsigned int dst_off, unsigned int len, unsigned long data) { pr_debug("%s: result #%u: '%s' with src_off=0x%x dst_off=0x%x len=0x%x (%lu)\n", current->comm, n, err, src_off, dst_off, len, data); } #define verbose_result(err, n, src_off, dst_off, len, data) ({ \ if (verbose) \ result(err, n, src_off, dst_off, len, data); \ else \ dbg_result(err, n, src_off, dst_off, len, data);\ }) static unsigned long long dmatest_persec(s64 runtime, unsigned int val) { unsigned long long per_sec = 1000000; if (runtime <= 0) return 0; /* drop precision until runtime is 32-bits */ while (runtime > UINT_MAX) { runtime >>= 1; per_sec <<= 1; } per_sec *= val; per_sec = INT_TO_FIXPT(per_sec); do_div(per_sec, runtime); return per_sec; } static unsigned long long dmatest_KBs(s64 runtime, unsigned long long len) { return FIXPT_TO_INT(dmatest_persec(runtime, len >> 10)); } /* * This function repeatedly tests DMA transfers of various lengths and * offsets for a given operation type until it is told to exit by * kthread_stop(). There may be multiple threads running this function * in parallel for a single channel, and there may be multiple channels * being tested in parallel. * * Before each test, the source and destination buffer is initialized * with a known pattern. This pattern is different depending on * whether it's in an area which is supposed to be copied or * overwritten, and different in the source and destination buffers. * So if the DMA engine doesn't copy exactly what we tell it to copy, * we'll notice. */ static int dmatest_func(void *data) { struct dmatest_thread *thread = data; struct dmatest_done *done = &thread->test_done; struct dmatest_info *info; struct dmatest_params *params; struct dma_chan *chan; struct dma_device *dev; unsigned int error_co
# SOME DESCRIPTIVE TITLE.
# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
# This file is distributed under the same license as the PACKAGE package.
# 
# Translators:
# Art O. Pal <artopal@fastmail.fm>, 2012.
#   <devianpctek@gmail.com>, 2012.
# Eduardo Viramontes <qubitozcom@gmail.com>, 2013.
#   <juanma@kde.org.ar>, 2012-2013.
#   <pedro.navia@etecsa.cu>, 2012.
# Raul Fernandez Garcia <raulfg3@gmail.com>, 2012.
# Rubén Trujillo <rubentrf@gmail.com>, 2012.
#  <sergioballesterossolanas@gmail.com>, 2013.
#   <sergioballesterossolanas@gmail.com>, 2012.
#   <sergio@entrecables.com>, 2012.
# Vladimir Martinez Sierra <vladimirmartinezsierra@gmail.com>, 2013.
#   <zebrastorm@gmail.com>, 2012.
msgid ""
msgstr ""
"Project-Id-Version: ownCloud\n"
"Report-Msgid-Bugs-To: http://bugs.owncloud.org/\n"
"POT-Creation-Date: 2013-04-17 01:39+0200\n"
"PO-Revision-Date: 2013-04-16 23:39+0000\n"
"Last-Translator: I Robot <owncloud-bot@tmit.eu>\n"
"Language-Team: Spanish (http://www.transifex.com/projects/p/owncloud/language/es/)\n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=UTF-8\n"
"Content-Transfer-Encoding: 8bit\n"
"Language: es\n"
"Plural-Forms: nplurals=2; plural=(n != 1);\n"

#: appinfo/app.php:52
msgid "News"
msgstr "Noticias"

#: businesslayer/feedbusinesslayer.php:62
msgid "Can not add feed: Exists already"
msgstr ""

#: businesslayer/feedbusinesslayer.php:100
msgid "Can not add feed: URL does not exist or has invalid xml"
msgstr ""

#: businesslayer/folderbusinesslayer.php:55
msgid "Can not add folder: Exists already"
msgstr ""

#: templates/part.addnew.php:12
msgid "Add Website"
msgstr "Agregar sitio web"

#: templates/part.addnew.php:19
msgid "Error: address must not be empty!"
msgstr ""

#: templates/part.addnew.php:22
msgid "Error: address exists already!"
msgstr ""

#: templates/part.addnew.php:25
msgid "Error: folder name must not be empty!"
msgstr ""

#: templates/part.addnew.php:28
msgid "Error: folder exists already"
msgstr ""

#: templates/part.addnew.php:35
msgid "Address"
msgstr "Dirección"

#: templates/part.addnew.php:39 templates/part.addnew.php:42
msgid "Add"
msgstr "Añadir"

#: templates/part.addnew.php:46 templates/part.addnew.php:54
msgid "New folder"
msgstr "Nueva carpeta"

#: templates/part.addnew.php:47
msgid "Folder"
msgstr "Carpeta"

#: templates/part.addnew.php:52
msgid "Choose folder"
msgstr "Seleccionar carpeta"

#: templates/part.addnew.php:64
msgid "Folder name"
msgstr "Nombre de la carpeta"

#: templates/part.addnew.php:67
msgid "Back to folder selection"
msgstr ""

#: templates/part.addnew.php:72
msgid "Create folder"
msgstr ""

#: templates/part.feed.starred.php:10
msgid "Starred"
msgstr "Favoritos"

#: templates/part.feed.unread.php:10
msgid "Unread articles"
msgstr "Artículos sin leer"

#: templates/part.feed.unread.php:16
msgid "All articles"
msgstr "Todos los artículos"

#: templates/part.feed.unread.php:25 templates/part.listfeed.php:39
#: templates/part.listfolder.php:41
msgid "Mark all read"
msgstr "Marcar como leído"

#: templates/part.items.php:17
msgid "Save for later"
msgstr ""

#: templates/part.items.php:29
msgid "from"
msgstr "de"

#: templates/part.items.php:34
msgid "by"
msgstr "por"

#: templates/part.items.php:42
msgid "Cant play audio format"
msgstr "No se puede reproducir el formato de audio"

#: templates/part.items.php:55
msgid "Keep unread"
msgstr "Dejar como no leido"

#: templates/part.listfeed.php:43
msgid "Delete feed"
msgstr "Eliminar fuente"

#: templates/part.listfeed.php:48
msgid "Delete website"
msgstr ""

#: templates/part.listfolder.php:14
msgid "Collapse"
msgstr "Colapsar"

#: templates/part.listfolder.php:31 templates/part.listfolder.php:45
msgid "Delete folder"
msgstr "Eliminar carpeta"

#: templates/part.listfolder.php:50
msgid "Rename folder"
msgstr "Renombrar carpeta"

#: templates/part.settings.php:13
msgid "Import / Export OPML"
msgstr "Importar/Exportar OPML"

#: templates/part.settings.php:17 templates/part.settings.php:19
msgid "Import"
msgstr "Importart"

#: templates/part.settings.php:23 templates/part.settings.php:27
#: templates/part.settings.php:30 templates/part.settings.php:32
msgid "Export"
msgstr "Exportar"

#: templates/part.settings.php:36
msgid "Error when importing: file does not contain valid OPML"
msgstr ""

#: templates/part.settings.php:41
msgid "Subscribelet"
msgstr "Suscribirse"

#: templates/part.showall.php:2
msgid "Show all"
msgstr "Mostrar todo"

#: templates/part.showall.php:6
msgid "Show only unread"
msgstr "Mostrar solo no leídos"

#: templates/part.subscribelet.php:3
msgid ""
"Drag this to your browser bookmarks and click on it whenever you want to "
"subscribe to a webpage quickly:"
msgstr "Arrastra hacia los favoritos de tu navegador y haz clic en él siempre que quiera suscribirse a una página web con rapidez:"

#: templates/part.subscribelet.php:17
msgid "Subscribe"
msgstr "Subscribirse"

#: templates/subscribe.php:30
msgid "An error occurred"
msgstr "Ocurrió un error"

#: templates/subscribe.php:32
msgid "Nice! You have subscribed to "
msgstr "¡Bien! Te has suscrito a "

#: templates/subscribe.php:36
msgid "You had already subscribed to this feed!"
msgstr "¡Ya te has suscrito a esta fuente!"
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-07 03:21:30 +0000
_chan_err; } mutex_unlock(&info->lock); return ret; add_chan_err: param_set_copystring(chan_reset_val, kp); mutex_unlock(&info->lock); return ret; } static int dmatest_chan_get(char *val, const struct kernel_param *kp) { struct dmatest_info *info = &test_info; mutex_lock(&info->lock); if (!is_threaded_test_run(info) && !is_threaded_test_pending(info)) { stop_threaded_test(info); strlcpy(test_channel, "", sizeof(test_channel)); } mutex_unlock(&info->lock); return param_get_string(val, kp); } static int dmatest_test_list_get(char *val, const struct kernel_param *kp) { struct dmatest_info *info = &test_info; struct dmatest_chan *dtc; unsigned int thread_count = 0; list_for_each_entry(dtc, &info->channels, node) { struct dmatest_thread *thread; thread_count = 0; list_for_each_entry(thread, &dtc->threads, node) { thread_count++; } pr_info("%u threads using %s\n", thread_count, dma_chan_name(dtc->chan)); } return 0; } static int __init dmatest_init(void) { struct dmatest_info *info = &test_info; struct dmatest_params *params = &info->params; if (dmatest_run) { mutex_lock(&info->lock); add_threaded_test(info); run_pending_tests(info); mutex_unlock(&info->lock); } if (params->iterations && wait) wait_event(thread_wait, !is_threaded_test_run(info)); /* module parameters are stable, inittime tests are started, * let userspace take over 'run' control */ info->did_init = true; return 0; } /* when compiled-in wait for drivers to load first */ late_initcall(dmatest_init); static void __exit dmatest_exit(void) { struct dmatest_info *info = &test_info; mutex_lock(&info->lock); stop_threaded_test(info); mutex_unlock(&info->lock); } module_exit(dmatest_exit); MODULE_AUTHOR("Haavard Skinnemoen (Atmel)"); MODULE_LICENSE("GPL v2");