vpnor/test/write_prsv.cpp

// SPDX-License-Identifier: Apache-2.0
// Copyright (C) 2018 IBM Corp.

extern "C" {
#include "backend.h"
#include "common.h"
#include "mboxd.h"
}

#include "vpnor/test/tmpd.hpp"

#include <fcntl.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>

#include <cassert>

static constexpr auto BLOCK_SIZE = 0x1000;

const std::string toc[] = {
    "partition01=TEST1,00001000,00002000,80,ECC,PRESERVED",
};

namespace test = openpower::virtual_pnor::test;

int main(void)
{
    namespace fs = std::filesystem;

    struct mbox_context _ctx, *ctx = &_ctx;
    uint8_t src[8];
    void* map;
    int fd;
    int rc;

    /* Setup */
    memset(ctx, 0, sizeof(mbox_context));

    mbox_vlog = &mbox_log_console;
    verbosity = (verbose)2;

    ctx->backend.flash_size = 0x2000;
    test::VpnorRoot root(&ctx->backend, toc, BLOCK_SIZE);

    /* Test */
    memset(src, 0xaa, sizeof(src));
    rc = backend_write(&ctx->backend, 0x1000, src, sizeof(src));
    assert(rc == 0);

    /* Verify */
    fd = open((root.prsv() / "TEST1").c_str(), O_RDONLY);
    assert(fd >= 0);
    map = mmap(NULL, sizeof(src), PROT_READ, MAP_SHARED, fd, 0);
    assert(map != MAP_FAILED);

    rc = memcmp(src, map, sizeof(src));
    assert(rc == 0);
    munmap(map, sizeof(src));
    close(fd);

    return 0;
}