C++ (Cpp) tee_inc_stats Examples

Example #1

File: tee_session.c Project: MrTomasz/optee_linuxdriver

struct tee_session *tee_session_create_and_open(struct tee_context *ctx,
						struct tee_cmd_io *cmd_io)
{
	int ret = 0;
	struct tee_session *sess;
	struct tee *tee;

	BUG_ON(!ctx->tee);

	tee = ctx->tee;

	dev_dbg(_DEV(tee), "%s: >\n", __func__);
	ret = tee_get(tee);
	if (ret)
		return ERR_PTR(-EBUSY);

	sess = devm_kzalloc(_DEV(tee), sizeof(struct tee_session), GFP_KERNEL);
	if (!sess) {
		dev_err(_DEV(tee), "%s: tee_session allocation() failed\n",
			__func__);
		tee_put(tee);
		return ERR_PTR(-ENOMEM);
	}

	tee_context_get(ctx);
	sess->ctx = ctx;

	ret = tee_session_open_be(sess, cmd_io);
	mutex_lock(&tee->lock);
	if (ret || !sess->sessid || cmd_io->err) {
		dev_err(_DEV(tee), "%s: ERROR ret=%d (err=0x%08x, org=%d,  sessid=0x%08x)\n",
				__func__, ret, cmd_io->err,
				cmd_io->origin, sess->sessid);
		tee_put(tee);
		tee_context_put(ctx);
		devm_kfree(_DEV(tee), sess);
		mutex_unlock(&tee->lock);
		if (ret)
			return ERR_PTR(ret);
		else
			return NULL;
	}

	tee_inc_stats(&tee->stats[TEE_STATS_SESSION_IDX]);
	list_add_tail(&sess->entry, &ctx->list_sess);
	mutex_unlock(&tee->lock);

	dev_dbg(_DEV(tee), "%s: < sess=%p\n", __func__, sess);
	return sess;
}

Example #2

File: tee_shm.c Project: flowher/optee_linuxdriver

struct tee_shm *tee_shm_alloc_from_rpc(struct tee *tee, size_t size)
{
	struct tee_shm *shm;

	INMSG();

	shm = tee_shm_alloc(tee, size, TEE_SHM_TEMP | TEE_SHM_FROM_RPC);
	if (IS_ERR_OR_NULL(shm)) {
		dev_err(_DEV(tee), "%s: buffer allocation failed (%ld)\n",
			__func__, PTR_ERR(shm));
		goto out;
	}

	mutex_lock(&tee->lock);
	tee_inc_stats(&tee->stats[TEE_STATS_SHM_IDX]);
	list_add_tail(&shm->entry, &tee->list_rpc_shm);
	mutex_unlock(&tee->lock);
	shm->ctx = NULL;

out:
	OUTMSGX(shm);
	return shm;
}