scsi/ibmvscsi/ibmvscsi.c

109 static void ibmvscsi_handle_crq(struct viosrp_crq *crq,
116  * ibmvscsi_handle_event: - Interrupt handler for crq events
139  * the crq with the hypervisor.
169 	struct viosrp_crq *crq;
173 	crq = &queue->msgs[queue->cur];
174 	if (crq->valid != VIOSRP_CRQ_FREE) {
183 		crq = NULL;
186 	return crq;
216 	struct viosrp_crq *crq;
221 		while ((crq = crq_queue_next_crq(&hostdata->queue)) != NULL) {
222 			ibmvscsi_handle_crq(crq, hostdata);
223 			crq->valid = VIOSRP_CRQ_FREE;
228 		crq = crq_queue_next_crq(&hostdata->queue);
229 		if (crq != NULL) {
231 			ibmvscsi_handle_crq(crq, hostdata);
232 			crq->valid = VIOSRP_CRQ_FREE;
280  * ibmvscsi_reset_crq_queue() - resets a crq after a failure
311 		dev_warn(hostdata->dev, "couldn't register crq--rc 0x%x\n", rc);
323  * the crq with the hypervisor.
408  * ibmvscsi_reenable_crq_queue() - reenables a crq after
465 		memset(&evt->crq, 0x00, sizeof(evt->crq));
467 		evt->crq.valid = VIOSRP_CRQ_CMD_RSP;
468 		evt->crq.IU_length = cpu_to_be16(sizeof(*evt->xfer_iu));
469 		evt->crq.IU_data_ptr = cpu_to_be64(pool->iu_token +
590 	evt_struct->crq.format = format;
591 	evt_struct->crq.timeout = cpu_to_be16(timeout);
801 		} else if (evt->done && evt->crq.format != VIOSRP_MAD_FORMAT &&
874 	__be64 *crq_as_u64 = (__be64 *)&evt_struct->crq;
885 	if (evt_struct->crq.format == VIOSRP_SRP_FORMAT) {
1089 			cpu_to_be64(be64_to_cpu(evt_struct->crq.IU_data_ptr) +
1762  * @crq:	Command/Response queue
1766 static void ibmvscsi_handle_crq(struct viosrp_crq *crq,
1773 			(__force struct srp_event_struct *)crq->IU_data_ptr;
1774 	switch (crq->valid) {
1776 		switch (crq->format) {
1796 			dev_err(hostdata->dev, "unknown crq message type: %d\n", crq->format);
1802 		if (crq->format == 0x06) {
1811 				crq->format);
1819 			crq->valid);
1839 	if (crq->format == VIOSRP_SRP_FORMAT)
1845 	if ((crq->status != VIOSRP_OK && crq->status != VIOSRP_OK2) && evt_struct->cmnd)
2266 		dev_err(&vdev->dev, "couldn't initialize crq. rc=%d\n", rc);