char/tpm/tpm_ftpm_tee.c

45 	struct ftpm_tee_private *pvt_data = dev_get_drvdata(chip->dev.parent);
48 	len = pvt_data->resp_len;
56 	memcpy(buf, pvt_data->resp_buf, len);
57 	pvt_data->resp_len = 0;
74 	struct ftpm_tee_private *pvt_data = dev_get_drvdata(chip->dev.parent);
81 	struct tee_shm *shm = pvt_data->shm;
92 	pvt_data->resp_len = 0;
97 		.session = pvt_data->session,
129 	rc = tee_client_invoke_func(pvt_data->ctx, &transceive_args,
161 	memcpy(pvt_data->resp_buf, temp_buf, resp_len);
162 	pvt_data->resp_len = resp_len;
220 	struct ftpm_tee_private *pvt_data = NULL;
223 	pvt_data = devm_kzalloc(dev, sizeof(struct ftpm_tee_private),
225 	if (!pvt_data)
228 	dev_set_drvdata(dev, pvt_data);
231 	pvt_data->ctx = tee_client_open_context(NULL, ftpm_tee_match, NULL,
233 	if (IS_ERR(pvt_data->ctx)) {
234 		if (PTR_ERR(pvt_data->ctx) == -ENOENT)
237 		return PTR_ERR(pvt_data->ctx);
246 	rc = tee_client_open_session(pvt_data->ctx, &sess_arg, NULL);
253 	pvt_data->session = sess_arg.session;
256 	pvt_data->shm = tee_shm_alloc_kernel_buf(pvt_data->ctx,
259 	if (IS_ERR(pvt_data->shm)) {
273 	pvt_data->chip = chip;
274 	pvt_data->chip->flags |= TPM_CHIP_FLAG_TPM2;
277 	rc = tpm_chip_register(pvt_data->chip);
287 	put_device(&pvt_data->chip->dev);
289 	tee_shm_free(pvt_data->shm);
291 	tee_client_close_session(pvt_data->ctx, pvt_data->session);
293 	tee_client_close_context(pvt_data->ctx);
314 	struct ftpm_tee_private *pvt_data = dev_get_drvdata(dev);
317 	tpm_chip_unregister(pvt_data->chip);
320 	put_device(&pvt_data->chip->dev);
323 	tee_shm_free(pvt_data->shm);
326 	tee_client_close_session(pvt_data->ctx, pvt_data->session);
329 	tee_client_close_context(pvt_data->ctx);
349 	struct ftpm_tee_private *pvt_data = dev_get_drvdata(&pdev->dev);
351 	tee_shm_free(pvt_data->shm);
352 	tee_client_close_session(pvt_data->ctx, pvt_data->session);
353 	tee_client_close_context(pvt_data->ctx);