Esempio n. 1
0
File: verify.c Progetto: Rapaka/fio
int verify_io_u(struct thread_data *td, struct io_u *io_u)
{
	struct verify_header *hdr;
	unsigned int header_size, hdr_inc, hdr_num = 0;
	void *p;
	int ret;

	if (td->o.verify == VERIFY_NULL || io_u->ddir != DDIR_READ)
		return 0;
	if (io_u->flags & IO_U_F_TRIMMED) {
		ret = verify_trimmed_io_u(td, io_u);
		goto done;
	}

	hdr_inc = get_hdr_inc(td, io_u);

	ret = 0;
	for (p = io_u->buf; p < io_u->buf + io_u->buflen;
	     p += hdr_inc, hdr_num++) {
		struct vcont vc = {
			.io_u		= io_u,
			.hdr_num	= hdr_num,
			.td		= td,
		};
		unsigned int verify_type;

		if (ret && td->o.verify_fatal)
			break;

		header_size = __hdr_size(td->o.verify);
		if (td->o.verify_offset)
			memswp(p, p + td->o.verify_offset, header_size);
		hdr = p;

		if (!verify_header(io_u, hdr)) {
			log_err("verify: bad magic header %x, wanted %x at "
				"file %s offset %llu, length %u\n",
				hdr->magic, FIO_HDR_MAGIC,
				io_u->file->file_name,
				io_u->offset + hdr_num * hdr->len, hdr->len);
			return EILSEQ;
		}

		if (td->o.verify != VERIFY_NONE)
			verify_type = td->o.verify;
		else
			verify_type = hdr->verify_type;

		switch (verify_type) {
		case VERIFY_MD5:
			ret = verify_io_u_md5(hdr, &vc);
			break;
		case VERIFY_CRC64:
			ret = verify_io_u_crc64(hdr, &vc);
			break;
		case VERIFY_CRC32C:
		case VERIFY_CRC32C_INTEL:
			ret = verify_io_u_crc32c(hdr, &vc);
			break;
		case VERIFY_CRC32:
			ret = verify_io_u_crc32(hdr, &vc);
			break;
		case VERIFY_CRC16:
			ret = verify_io_u_crc16(hdr, &vc);
			break;
		case VERIFY_CRC7:
			ret = verify_io_u_crc7(hdr, &vc);
			break;
		case VERIFY_SHA256:
			ret = verify_io_u_sha256(hdr, &vc);
			break;
		case VERIFY_SHA512:
			ret = verify_io_u_sha512(hdr, &vc);
			break;
		case VERIFY_META:
			ret = verify_io_u_meta(hdr, &vc);
			break;
		case VERIFY_SHA1:
			ret = verify_io_u_sha1(hdr, &vc);
			break;
		case VERIFY_PATTERN:
			ret = verify_io_u_pattern(hdr, &vc);
			break;
		default:
			log_err("Bad verify type %u\n", hdr->verify_type);
			ret = EINVAL;
		}

		if (ret && verify_type != hdr->verify_type)
			log_err("fio: verify type mismatch (%u media, %u given)\n",
					hdr->verify_type, verify_type);
	}

done:
	if (ret && td->o.verify_fatal)
		td->terminate = 1;

	return ret;
}
Esempio n. 2
0
int verify_io_u(struct thread_data *td, struct io_u **io_u_ptr)
{
	struct verify_header *hdr;
	struct io_u *io_u = *io_u_ptr;
	unsigned int header_size, hdr_inc, hdr_num = 0;
	void *p;
	int ret;

	if (td->o.verify == VERIFY_NULL || io_u->ddir != DDIR_READ)
		return 0;
	/*
	 * If the IO engine is faking IO (like null), then just pretend
	 * we verified everything.
	 */
	if (td->io_ops->flags & FIO_FAKEIO)
		return 0;

	if (io_u->flags & IO_U_F_TRIMMED) {
		ret = verify_trimmed_io_u(td, io_u);
		goto done;
	}

	hdr_inc = get_hdr_inc(td, io_u);

	ret = 0;
	for (p = io_u->buf; p < io_u->buf + io_u->buflen;
	     p += hdr_inc, hdr_num++) {
		struct vcont vc = {
			.io_u		= io_u,
			.hdr_num	= hdr_num,
			.td		= td,
		};
		unsigned int verify_type;

		if (ret && td->o.verify_fatal)
			break;

		header_size = __hdr_size(td->o.verify);
		if (td->o.verify_offset)
			memswp(p, p + td->o.verify_offset, header_size);
		hdr = p;

		/*
		 * Make rand_seed check pass when have verifysort or
		 * verify_backlog.
		 */
		if (td->o.verifysort || (td->flags & TD_F_VER_BACKLOG))
			io_u->rand_seed = hdr->rand_seed;

		if (td->o.verify != VERIFY_PATTERN_NO_HDR) {
			ret = verify_header(io_u, hdr, hdr_num, hdr_inc);
			if (ret)
				return ret;
		}

		if (td->o.verify != VERIFY_NONE)
			verify_type = td->o.verify;
		else
			verify_type = hdr->verify_type;

		switch (verify_type) {
		case VERIFY_MD5:
			ret = verify_io_u_md5(hdr, &vc);
			break;
		case VERIFY_CRC64:
			ret = verify_io_u_crc64(hdr, &vc);
			break;
		case VERIFY_CRC32C:
		case VERIFY_CRC32C_INTEL:
			ret = verify_io_u_crc32c(hdr, &vc);
			break;
		case VERIFY_CRC32:
			ret = verify_io_u_crc32(hdr, &vc);
			break;
		case VERIFY_CRC16:
			ret = verify_io_u_crc16(hdr, &vc);
			break;
		case VERIFY_CRC7:
			ret = verify_io_u_crc7(hdr, &vc);
			break;
		case VERIFY_SHA256:
			ret = verify_io_u_sha256(hdr, &vc);
			break;
		case VERIFY_SHA512:
			ret = verify_io_u_sha512(hdr, &vc);
			break;
		case VERIFY_XXHASH:
			ret = verify_io_u_xxhash(hdr, &vc);
			break;
		case VERIFY_META:
			ret = verify_io_u_meta(hdr, &vc);
			break;
		case VERIFY_SHA1:
			ret = verify_io_u_sha1(hdr, &vc);
			break;
		case VERIFY_PATTERN:
		case VERIFY_PATTERN_NO_HDR:
			ret = verify_io_u_pattern(hdr, &vc);
			break;
		default:
			log_err("Bad verify type %u\n", hdr->verify_type);
			ret = EINVAL;
		}

		if (ret && verify_type != hdr->verify_type)
			log_err("fio: verify type mismatch (%u media, %u given)\n",
					hdr->verify_type, verify_type);
	}

done:
	if (ret && td->o.verify_fatal)
		fio_mark_td_terminate(td);

	return ret;
}
int verify_io_u(struct thread_data *td, struct io_u *io_u)
{
    struct verify_header *hdr;
    unsigned int header_size, hdr_inc, hdr_num = 0;
    void *p;
    int ret;

    if (td->o.verify == VERIFY_NULL || io_u->ddir != DDIR_READ)
        return 0;
    if (io_u->flags & IO_U_F_TRIMMED) {
        ret = verify_trimmed_io_u(td, io_u);
        goto done;
    }

    hdr_inc = get_hdr_inc(td, io_u);

    ret = 0;
    for (p = io_u->buf; p < io_u->buf + io_u->buflen;
            p += hdr_inc, hdr_num++) {
        struct vcont vc = {
            .io_u		= io_u,
            .hdr_num	= hdr_num,
            .td		= td,
        };
        unsigned int verify_type;

        if (ret && td->o.verify_fatal)
            break;

        header_size = __hdr_size(td->o.verify);
        if (td->o.verify_offset)
            memswp(p, p + td->o.verify_offset, header_size);
        hdr = p;

        /*
         * Make rand_seed check pass when have verifysort or
         * verify_backlog.
         */
        if (td->o.verifysort || (td->flags & TD_F_VER_BACKLOG))
            io_u->rand_seed = hdr->rand_seed;

        ret = verify_header(io_u, hdr);
        switch (ret) {
        case 0:
            break;
        case 1:
            log_err("verify: bad magic header %x, wanted %x at "
                    "file %s offset %llu, length %u\n",
                    hdr->magic, FIO_HDR_MAGIC,
                    io_u->file->file_name,
                    io_u->offset + hdr_num * hdr->len, hdr->len);
            return EILSEQ;
            break;
        case 2:
            log_err("fio: verify header exceeds buffer length (%u "
                    "> %lu)\n", hdr->len, io_u->buflen);
            return EILSEQ;
            break;
        case 3:
            log_err("verify: bad header rand_seed %"PRIu64
                    ", wanted %"PRIu64" at file %s offset %llu, "
                    "length %u\n",
                    hdr->rand_seed, io_u->rand_seed,
                    io_u->file->file_name,
                    io_u->offset + hdr_num * hdr->len, hdr->len);
            return EILSEQ;
            break;
        case 4:
            return EILSEQ;
            break;
        default:
            log_err("verify: unknown header error at file %s "
                    "offset %llu, length %u\n",
                    io_u->file->file_name,
                    io_u->offset + hdr_num * hdr->len, hdr->len);
            return EILSEQ;
        }

        if (td->o.verify != VERIFY_NONE)
            verify_type = td->o.verify;
        else
            verify_type = hdr->verify_type;

        switch (verify_type) {
        case VERIFY_MD5:
            ret = verify_io_u_md5(hdr, &vc);
            break;
        case VERIFY_CRC64:
            ret = verify_io_u_crc64(hdr, &vc);
            break;
        case VERIFY_CRC32C:
        case VERIFY_CRC32C_INTEL:
            ret = verify_io_u_crc32c(hdr, &vc);
            break;
        case VERIFY_CRC32:
            ret = verify_io_u_crc32(hdr, &vc);
            break;
        case VERIFY_CRC16:
            ret = verify_io_u_crc16(hdr, &vc);
            break;
        case VERIFY_CRC7:
            ret = verify_io_u_crc7(hdr, &vc);
            break;
        case VERIFY_SHA256:
            ret = verify_io_u_sha256(hdr, &vc);
            break;
        case VERIFY_SHA512:
            ret = verify_io_u_sha512(hdr, &vc);
            break;
        case VERIFY_XXHASH:
            ret = verify_io_u_xxhash(hdr, &vc);
            break;
        case VERIFY_META:
            ret = verify_io_u_meta(hdr, &vc);
            break;
        case VERIFY_SHA1:
            ret = verify_io_u_sha1(hdr, &vc);
            break;
        case VERIFY_PATTERN:
            ret = verify_io_u_pattern(hdr, &vc);
            break;
        default:
            log_err("Bad verify type %u\n", hdr->verify_type);
            ret = EINVAL;
        }

        if (ret && verify_type != hdr->verify_type)
            log_err("fio: verify type mismatch (%u media, %u given)\n",
                    hdr->verify_type, verify_type);
    }

done:
    if (ret && td->o.verify_fatal)
        td->terminate = 1;

    return ret;
}