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| author | Ursula Braun <braunu@de.ibm.com> | 2007-03-19 13:18:12 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2007-03-19 13:18:12 +0100 |
| commit | dcc49d460c4052d2fa7ba44e81d3b814b799f802 (patch) | |
| tree | 7fb09ee1513188102cdae945cf8a38dda8286b78 /drivers/s390 | |
| parent | 5851fadce8824d5d4b8fd02c22ae098401f6489e (diff) | |
| download | op-kernel-dev-dcc49d460c4052d2fa7ba44e81d3b814b799f802.zip op-kernel-dev-dcc49d460c4052d2fa7ba44e81d3b814b799f802.tar.gz | |
[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: Ursula Braun <braunu@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390')
| -rw-r--r-- | drivers/s390/cio/qdio.c | 26 |
1 files changed, 18 insertions, 8 deletions
diff --git a/drivers/s390/cio/qdio.c b/drivers/s390/cio/qdio.c index 5b1e3ff..05fac07 100644 --- a/drivers/s390/cio/qdio.c +++ b/drivers/s390/cio/qdio.c @@ -210,9 +210,11 @@ again: goto again; } if (rc < 0) { - QDIO_DBF_TEXT3(1,trace,"sqberr"); - sprintf(dbf_text,"%2x,%2x,%d,%d",tmp_cnt,*cnt,ccq,q_no); - QDIO_DBF_TEXT3(1,trace,dbf_text); + QDIO_DBF_TEXT3(1,trace,"sqberr"); + 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, 0, 0, 0, -1, -1, q->int_parm); @@ -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; } |
