Commit dcc49d46 authored by Ursula Braun's avatar Ursula Braun Committed by Martin Schwidefsky
Browse files

[S390] cio: qdio slsb setup 



Make sure set_slsb problems are handled correctly in
qdio_do_qdio_fill_input() and qdio_do_qdio_fill_output.

Signed-off-by: default avatarUrsula Braun <braunu@de.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent 5851fadc

drivers/s390/cio/qdio.c

+18 −8
Original line number Diff line number Diff line
@@ -211,7 +211,9 @@ qdio_do_sqbs(struct qdio_q *q, unsigned char state, 
	}

	if (rc < 0) {

		QDIO_DBF_TEXT3(1,trace,"sqberr");

                sprintf(dbf_text,"%2x,%2x,%d,%d",tmp_cnt,*cnt,ccq,q_no);

		sprintf(dbf_text,"%2x,%2x",tmp_cnt,*cnt);

		QDIO_DBF_TEXT3(1,trace,dbf_text);

		sprintf(dbf_text,"%d,%d",ccq,q_no);

		QDIO_DBF_TEXT3(1,trace,dbf_text);

		q->handler(q->cdev,QDIO_STATUS_ACTIVATE_CHECK_CONDITION|

				QDIO_STATUS_LOOK_FOR_ERROR,
@@ -1250,7 +1252,6 @@ qdio_is_inbound_q_done(struct qdio_q *q) 
	if (!no_used) {

		QDIO_DBF_TEXT4(0,trace,"inqisdnA");

		QDIO_DBF_HEX4(0,trace,&q,sizeof(void*));

		QDIO_DBF_TEXT4(0,trace,dbf_text);

		return 1;

	}

	if (irq->is_qebsm) {
@@ -3371,10 +3372,15 @@ qdio_do_qdio_fill_input(struct qdio_q *q, unsigned int qidx, 
			unsigned int count, struct qdio_buffer *buffers)

{

	struct qdio_irq *irq = (struct qdio_irq *) q->irq_ptr;

	int tmp = 0;



	qidx &= (QDIO_MAX_BUFFERS_PER_Q - 1);

	if (irq->is_qebsm) {

		while (count)

			set_slsb(q, &qidx, SLSB_CU_INPUT_EMPTY, &count);

		while (count) {

			tmp = set_slsb(q, &qidx, SLSB_CU_INPUT_EMPTY, &count);

			if (!tmp)

				return;

		}

		return;

	}

	for (;;) {
@@ -3390,11 +3396,15 @@ qdio_do_qdio_fill_output(struct qdio_q *q, unsigned int qidx, 
			 unsigned int count, struct qdio_buffer *buffers)

{

	struct qdio_irq *irq = (struct qdio_irq *) q->irq_ptr;

	int tmp = 0;



	qidx &= (QDIO_MAX_BUFFERS_PER_Q - 1);

	if (irq->is_qebsm) {

		while (count)

			set_slsb(q, &qidx, SLSB_CU_OUTPUT_PRIMED, &count);

		while (count) {

			tmp = set_slsb(q, &qidx, SLSB_CU_OUTPUT_PRIMED, &count);

			if (!tmp)

				return;

		}

		return;

	}