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/*

 * Copyright (c) 2006 Sergey Bondari

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 *

 * - Redistributions of source code must retain the above copyright

 *   notice, this list of conditions and the following disclaimer.

 * - Redistributions in binary form must reproduce the above copyright

 *   notice, this list of conditions and the following disclaimer in the

 *   documentation and/or other materials provided with the distribution.

 * - The name of the author may not be used to endorse or promote products

 *   derived from this software without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR

 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES

 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.

 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,

 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT

 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF

 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 */

#include <print.h>

#include <test.h>

#include <mm/page.h>

#include <mm/frame.h>

#include <mm/slab.h>

#include <arch/mm/page.h>

#include <arch/types.h>

#include <atomic.h>

#include <debug.h>

#include <proc/thread.h>

#include <memstr.h>

#include <arch.h>

#define MAX_FRAMES  256

#define MAX_ORDER   8

#define THREAD_RUNS  1

#define THREADS      8

static atomic_t thread_count;

static atomic_t thread_fail;

static void falloc(void *arg)

{

	int order, run, allocated, i;

	uint8_t val = THREAD->tid % THREADS;

	size_t k;

	void **frames =  (void **) malloc(MAX_FRAMES * sizeof(void *), FRAME_ATOMIC);

	if (frames == NULL) {

		TPRINTF("Thread #%" PRIu64 " (cpu%u): Unable to allocate frames\n", THREAD->tid, CPU->id);

		atomic_inc(&thread_fail);

		atomic_dec(&thread_count);

		return;

	}

	thread_detach(THREAD);

	for (run = 0; run < THREAD_RUNS; run++) {

		for (order = 0; order <= MAX_ORDER; order++) {

			TPRINTF("Thread #%" PRIu64 " (cpu%u): Allocating %d frames blocks ... \n", THREAD->tid, CPU->id, 1 << order);

			allocated = 0;

			for (i = 0; i < (MAX_FRAMES >> order); i++) {

				frames[allocated] = frame_alloc(order, FRAME_ATOMIC | FRAME_KA);

				if (frames[allocated]) {

					memsetb(frames[allocated], FRAME_SIZE << order, val);

					allocated++;

				} else

					break;

			}

			TPRINTF("Thread #%" PRIu64 " (cpu%u): %d blocks allocated.\n", THREAD->tid, CPU->id, allocated);

			TPRINTF("Thread #%" PRIu64 " (cpu%u): Deallocating ... \n", THREAD->tid, CPU->id);

			for (i = 0; i < allocated; i++) {

				for (k = 0; k <= (((size_t) FRAME_SIZE << order) - 1); k++) {

					if (((uint8_t *) frames[i])[k] != val) {

						TPRINTF("Thread #%" PRIu64 " (cpu%u): Unexpected data (%c) in block %p offset %#" PRIs "\n", THREAD->tid, CPU->id, ((char *) frames[i])[k], frames[i], k);

						atomic_inc(&thread_fail);

						goto cleanup;

					}

				}

				frame_free(KA2PA(frames[i]));

			}

			TPRINTF("Thread #%" PRIu64 " (cpu%u): Finished run.\n", THREAD->tid, CPU->id);

		}

	}

cleanup:

	free(frames);

	TPRINTF("Thread #%" PRIu64 " (cpu%u): Exiting\n", THREAD->tid, CPU->id);

	atomic_dec(&thread_count);

}

char *test_falloc2(void)

{

	unsigned int i;

	atomic_set(&thread_count, THREADS);

	atomic_set(&thread_fail, 0);

	for (i = 0; i < THREADS; i++) {

		thread_t * thrd = thread_create(falloc, NULL, TASK, 0, "falloc", false);

		if (!thrd) {

			TPRINTF("Could not create thread %u\n", i);

			break;

		}

		thread_ready(thrd);

	}

	while (atomic_get(&thread_count) > 0) {

		TPRINTF("Threads left: %ld\n", atomic_get(&thread_count));

		thread_sleep(1);

	}

	if (atomic_get(&thread_fail) == 0)

		return NULL;

	return "Test failed";

}