38  * ibmvtpm_send_crq_word() - Send a CRQ request
40  * @w1:		pre-constructed first word of tpm crq (second word is reserved)
52  * ibmvtpm_send_crq() - Send a CRQ request
60  * The ibmvtpm crq is defined as follows:
133  * ibmvtpm_crq_send_init - Send a CRQ initialize message
244 		 * tpm_ibmvtpm_resume() to re-enable the CRQ then retry  in tpm_ibmvtpm_send()
273  * ibmvtpm_crq_get_rtce_size - Send a CRQ request to get rtce size
295  * ibmvtpm_crq_get_version - Send a CRQ request to get vtpm version
318  * ibmvtpm_crq_send_init_complete - Send a CRQ initialize complete message
389 	 * for TCE-mapped buffer in addition to CRQ.  in tpm_ibmvtpm_get_desired_dma()
421  * ibmvtpm_reset_crq - Reset CRQ
469  * ibmvtpm_crq_get_next - Get next responded crq
473  * Return: vtpm crq pointer or NULL.
478 	struct ibmvtpm_crq *crq = &crq_q->crq_addr[crq_q->index];  in ibmvtpm_crq_get_next()  local
480 	if (crq->valid & VTPM_MSG_RES) {  in ibmvtpm_crq_get_next()
485 		crq = NULL;  in ibmvtpm_crq_get_next()
486 	return crq;  in ibmvtpm_crq_get_next()
490  * ibmvtpm_crq_process - Process responded crq
492  * @crq:	crq to be processed
496 static void ibmvtpm_crq_process(struct ibmvtpm_crq *crq,  in ibmvtpm_crq_process()  argument
501 	switch (crq->valid) {  in ibmvtpm_crq_process()
503 		switch (crq->msg) {  in ibmvtpm_crq_process()
505 			dev_info(ibmvtpm->dev, "CRQ initialized\n");  in ibmvtpm_crq_process()
508 				dev_err(ibmvtpm->dev, "Unable to send CRQ init complete rc=%d\n", rc);  in ibmvtpm_crq_process()
512 				 "CRQ initialization completed\n");  in ibmvtpm_crq_process()
515 			dev_err(ibmvtpm->dev, "Unknown crq message type: %d\n", crq->msg);  in ibmvtpm_crq_process()
519 		switch (crq->msg) {  in ibmvtpm_crq_process()
521 			if (be16_to_cpu(crq->len) <= 0) {  in ibmvtpm_crq_process()
525 			ibmvtpm->rtce_size = be16_to_cpu(crq->len);  in ibmvtpm_crq_process()
546 			ibmvtpm->vtpm_version = be32_to_cpu(crq->data);  in ibmvtpm_crq_process()
550 			ibmvtpm->res_len = be16_to_cpu(crq->len);  in ibmvtpm_crq_process()
573 	struct ibmvtpm_crq *crq;  in ibmvtpm_interrupt()  local
579 	while ((crq = ibmvtpm_crq_get_next(ibmvtpm)) != NULL) {  in ibmvtpm_interrupt()
580 		ibmvtpm_crq_process(crq, ibmvtpm);  in ibmvtpm_interrupt()
582 		crq->valid = 0;  in ibmvtpm_interrupt()
645 		dev_err(dev, "Unable to register CRQ rc=%d\n", rc);  in tpm_ibmvtpm_probe()
686 		dev_err(dev, "CRQ response timed out\n");  in tpm_ibmvtpm_probe()