60 lines
1.3 KiB
C
60 lines
1.3 KiB
C
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/*
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* Copyright (c) 2015, Xilinx Inc. and Contributors. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include "metal-test.h"
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#include <metal/log.h>
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#include <metal/mutex.h>
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#include <metal/shmem.h>
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#include <metal/sys.h>
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#include <metal/atomic.h>
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static atomic_int nb_err = ATOMIC_VAR_INIT(0);
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static const int shmem_threads = 10;
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static void *shmem_child(void *arg)
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{
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const char *name = arg;
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struct {
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metal_mutex_t mutex;
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int counter;
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} *virt;
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struct metal_io_region *io;
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unsigned long phys;
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size_t size = 2 * 1024 * 1024;
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int error;
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error = metal_shmem_open(name, size, &io);
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if (error) {
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metal_log(METAL_LOG_ERROR, "Failed shmem_open: %d.\n", error);
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atomic_fetch_add(&nb_err, 1);
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return NULL;
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}
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virt = metal_io_virt(io, 0);
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phys = metal_io_phys(io, 0);
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if (phys != METAL_BAD_OFFSET) {
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if (virt != metal_io_phys_to_virt(io, phys)) {
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atomic_fetch_add(&nb_err, 1);
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metal_log(METAL_LOG_ERROR, "Failed virt != phys.\n");
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}
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if (phys != metal_io_virt_to_phys(io, virt)) {
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atomic_fetch_add(&nb_err, 1);
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metal_log(METAL_LOG_ERROR, "Failed phys != virt.\n");
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}
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}
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metal_io_finish(io);
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return NULL;
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}
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static int shmem(void)
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{
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return atomic_load(&nb_err) || metal_run(shmem_threads, shmem_child, "/foo");
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}
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METAL_ADD_TEST(shmem);
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