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/*
* MBox Daemon Test File
*
* Copyright 2017 IBM
*
* 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.
*
*/
extern "C" {
#include "config.h"
#include "common.h"
#include "mboxd_flash.h"
#include "mboxd_pnor_partition_table.h"
#include "mbox.h"
#include "test/tmpf.h"
}
#include <assert.h>
#include <unistd.h>
#include <fstream>
#include <experimental/filesystem>
#include <sys/mman.h>
#include <sys/syslog.h>
#include <sys/ioctl.h>
#include <fcntl.h>
#include "test/vpnor/tmpd.hpp"
uint8_t data[8] = {0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7};
#define BLOCK_SIZE 4096
#define OFFSET BLOCK_SIZE
#define MEM_SIZE (BLOCK_SIZE * 2)
#define DATA_SIZE sizeof(data)
#define BLOCK_SIZE_SHIFT 12
const std::string toc[] = {
"partition01=TEST1,00001000,00001400,ECC,READONLY",
"partition02=TEST2,00002000,00002008,ECC,READWRITE",
"partition03=TEST3,00003000,00003400,ECC,PRESERVED",
};
std::vector<std::string> partitions = {"TEST1", "TEST2", "TEST3"};
namespace test = openpower::virtual_pnor::test;
void init(struct mbox_context* ctx, test::VpnorRoot& root)
{
namespace fs = std::experimental::filesystem;
using namespace std::string_literals;
// create the partition files in the ro directory
for (auto partition : partitions)
{
root.write(partition, data, sizeof(data));
}
// copy partition2 file from ro to rw
assert(fs::copy_file(root.ro() / "TEST2", root.rw() / "TEST2"));
mbox_vlog = &mbox_log_console;
verbosity = (verbose)2;
// setting context parameters
ctx->erase_size_shift = BLOCK_SIZE_SHIFT;
ctx->block_size_shift = BLOCK_SIZE_SHIFT;
ctx->flash_bmap = reinterpret_cast<uint8_t*>(
calloc(MEM_SIZE >> ctx->erase_size_shift, sizeof(*ctx->flash_bmap)));
}
int main(void)
{
namespace fs = std::experimental::filesystem;
int rc{};
int fd;
void* map;
char src[DATA_SIZE]{0};
struct mbox_context context;
struct mbox_context* ctx = &context;
memset(ctx, 0, sizeof(mbox_context));
test::VpnorRoot root(ctx, toc, BLOCK_SIZE);
// Initialize the context before running the test case.
init(ctx, root);
// create the partition table
vpnor_create_partition_table_from_path(ctx, root.ro().c_str());
// Write to the RO partition
memset(src, 0x55, sizeof(src));
fd = open((root.ro() / "TEST1").c_str(), O_RDONLY);
map = mmap(NULL, MEM_SIZE, PROT_READ, MAP_PRIVATE, fd, 0);
assert(map != MAP_FAILED);
rc = write_flash(ctx, (OFFSET), src, sizeof(src));
// Should not be allowed to write on RO
assert(rc != 0);
munmap(map, MEM_SIZE);
close(fd);
// Write to the RW partition
memset(src, 0xbb, sizeof(src));
fd = open((root.rw() / "TEST2").c_str(), O_RDONLY);
map = mmap(NULL, MEM_SIZE, PROT_READ, MAP_PRIVATE, fd, 0);
assert(map != MAP_FAILED);
rc = write_flash(ctx, (OFFSET * 2), src, sizeof(src));
assert(rc == 0);
rc = memcmp(src, map, sizeof(src));
assert(rc == 0);
// write beyond the partition length as the partition
// file length is 8 byte(TEST2).
rc = write_flash(ctx, (OFFSET * 2 + 3), src, sizeof(src) + 20);
assert(rc == -1);
memset(src, 0xcc, sizeof(src));
rc = write_flash(ctx, (OFFSET * 2), src, sizeof(src));
assert(rc == 0);
rc = memcmp(src, map, sizeof(src));
assert(rc == 0);
src[0] = 0xff;
rc = write_flash(ctx, (OFFSET * 2), src, 1);
assert(rc == 0);
rc = memcmp(src, map, sizeof(src));
assert(rc == 0);
src[1] = 0xff;
rc = write_flash(ctx, (OFFSET * 2) + 1, &src[1], 1);
assert(rc == 0);
rc = memcmp(src, map, sizeof(src));
assert(rc == 0);
src[2] = 0xff;
rc = write_flash(ctx, (OFFSET * 2) + 2, &src[2], 1);
assert(rc == 0);
rc = memcmp(src, map, sizeof(src));
assert(rc == 0);
munmap(map, MEM_SIZE);
close(fd);
// START Test patch location - Patch dir has preference over other locations
// Copy partition2 file from ro to patch to simulate a patch file that is
// different from the one in rw (partition2 in rw was modified with the
// previous write test)
fs::path patch = root.patch() / "TEST2";
assert(fs::copy_file(root.ro() / "TEST2", patch));
// Write arbitrary data
char srcPatch[DATA_SIZE]{0};
memset(srcPatch, 0x33, sizeof(srcPatch));
rc = write_flash(ctx, (OFFSET * 2), srcPatch, sizeof(srcPatch));
assert(rc == 0);
// Check that partition file in RW location still contains the original data
fd = open((root.rw() / "TEST2").c_str(), O_RDONLY);
map = mmap(NULL, MEM_SIZE, PROT_READ, MAP_PRIVATE, fd, 0);
assert(map != MAP_FAILED);
rc = memcmp(src, map, sizeof(src));
assert(rc == 0);
munmap(map, MEM_SIZE);
close(fd);
// Check that partition file in PATCH location was written with the new data
fd = open(patch.c_str(), O_RDONLY);
map = mmap(NULL, MEM_SIZE, PROT_READ, MAP_PRIVATE, fd, 0);
assert(map != MAP_FAILED);
rc = memcmp(srcPatch, map, sizeof(srcPatch));
assert(rc == 0);
munmap(map, MEM_SIZE);
close(fd);
destroy_vpnor(ctx);
free(ctx->flash_bmap);
return rc;
}
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