diff options
Diffstat (limited to 'drivers/s390/cio/qdio_debug.c')
| -rw-r--r-- | drivers/s390/cio/qdio_debug.c | 33 |
1 files changed, 12 insertions, 21 deletions
diff --git a/drivers/s390/cio/qdio_debug.c b/drivers/s390/cio/qdio_debug.c index 6ce83f56d537..28868e7471a5 100644 --- a/drivers/s390/cio/qdio_debug.c +++ b/drivers/s390/cio/qdio_debug.c @@ -56,9 +56,16 @@ static int qstat_show(struct seq_file *m, void *v) seq_printf(m, "DSCI: %d nr_used: %d\n", *(u32 *)q->irq_ptr->dsci, atomic_read(&q->nr_buf_used)); - seq_printf(m, "ftc: %d last_move: %d\n", q->first_to_check, q->last_move); - seq_printf(m, "polling: %d ack start: %d ack count: %d\n", - q->u.in.polling, q->u.in.ack_start, q->u.in.ack_count); + seq_printf(m, "ftc: %d last_move: %d\n", + q->first_to_check, q->last_move); + if (q->is_input_q) { + seq_printf(m, "polling: %d ack start: %d ack count: %d\n", + q->u.in.polling, q->u.in.ack_start, + q->u.in.ack_count); + seq_printf(m, "IRQs disabled: %u\n", + test_bit(QDIO_QUEUE_IRQS_DISABLED, + &q->u.in.queue_irq_state)); + } seq_printf(m, "SBAL states:\n"); seq_printf(m, "|0 |8 |16 |24 |32 |40 |48 |56 63|\n"); @@ -113,22 +120,6 @@ static int qstat_show(struct seq_file *m, void *v) return 0; } -static ssize_t qstat_seq_write(struct file *file, const char __user *buf, - size_t count, loff_t *off) -{ - struct seq_file *seq = file->private_data; - struct qdio_q *q = seq->private; - - if (!q) - return 0; - if (q->is_input_q) - xchg(q->irq_ptr->dsci, 1); - local_bh_disable(); - tasklet_schedule(&q->tasklet); - local_bh_enable(); - return count; -} - static int qstat_seq_open(struct inode *inode, struct file *filp) { return single_open(filp, qstat_show, @@ -139,7 +130,6 @@ static const struct file_operations debugfs_fops = { .owner = THIS_MODULE, .open = qstat_seq_open, .read = seq_read, - .write = qstat_seq_write, .llseek = seq_lseek, .release = single_release, }; @@ -166,7 +156,8 @@ static char *qperf_names[] = { "QEBSM eqbs", "QEBSM eqbs partial", "QEBSM sqbs", - "QEBSM sqbs partial" + "QEBSM sqbs partial", + "Discarded interrupts" }; static int qperf_show(struct seq_file *m, void *v) |