diff options
| -rw-r--r-- | drivers/s390/cio/qdio.h | 5 | ||||
| -rw-r--r-- | drivers/s390/cio/qdio_debug.c | 10 | ||||
| -rw-r--r-- | drivers/s390/cio/qdio_main.c | 4 | ||||
| -rw-r--r-- | drivers/s390/cio/qdio_thinint.c | 2 |
4 files changed, 16 insertions, 5 deletions
diff --git a/drivers/s390/cio/qdio.h b/drivers/s390/cio/qdio.h index 3dd8644..c15624b 100644 --- a/drivers/s390/cio/qdio.h +++ b/drivers/s390/cio/qdio.h @@ -290,6 +290,9 @@ struct qdio_q { /* error condition during a data transfer */ unsigned int qdio_error; + /* last scan of the queue */ + u64 timestamp; + struct tasklet_struct tasklet; struct qdio_queue_perf_stat q_stats; @@ -449,6 +452,8 @@ static inline int shared_ind(struct qdio_q *q) return references_shared_dsci(i) || has_multiple_inq_on_dsci(i); } +extern u64 last_ai_time; + /* prototypes for thin interrupt */ void qdio_setup_thinint(struct qdio_irq *irq_ptr); int qdio_establish_thinint(struct qdio_irq *irq_ptr); diff --git a/drivers/s390/cio/qdio_debug.c b/drivers/s390/cio/qdio_debug.c index aaf7f93..ed68245 100644 --- a/drivers/s390/cio/qdio_debug.c +++ b/drivers/s390/cio/qdio_debug.c @@ -54,15 +54,17 @@ static int qstat_show(struct seq_file *m, void *v) if (!q) return 0; - 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", + seq_printf(m, "Timestamp: %Lx Last AI: %Lx\n", + q->timestamp, last_ai_time); + seq_printf(m, "nr_used: %d ftc: %d last_move: %d\n", + atomic_read(&q->nr_buf_used), 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", + seq_printf(m, "DSCI: %d IRQs disabled: %u\n", + *(u32 *)q->irq_ptr->dsci, test_bit(QDIO_QUEUE_IRQS_DISABLED, &q->u.in.queue_irq_state)); } diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c index 7ded1b2..a76d676 100644 --- a/drivers/s390/cio/qdio_main.c +++ b/drivers/s390/cio/qdio_main.c @@ -512,6 +512,8 @@ static int get_inbound_buffer_frontier(struct qdio_q *q) int count, stop; unsigned char state = 0; + q->timestamp = get_clock_fast(); + /* * Don't check 128 buffers, as otherwise qdio_inbound_q_moved * would return 0. @@ -781,6 +783,8 @@ static int get_outbound_buffer_frontier(struct qdio_q *q) int count, stop; unsigned char state = 0; + q->timestamp = get_clock_fast(); + if (need_siga_sync(q)) if (((queue_type(q) != QDIO_IQDIO_QFMT) && !pci_out_supported(q)) || diff --git a/drivers/s390/cio/qdio_thinint.c b/drivers/s390/cio/qdio_thinint.c index a3e3949..8c1f412 100644 --- a/drivers/s390/cio/qdio_thinint.c +++ b/drivers/s390/cio/qdio_thinint.c @@ -36,7 +36,7 @@ static u8 *tiqdio_alsi; struct indicator_t *q_indicators; -static u64 last_ai_time; +u64 last_ai_time; /* returns addr for the device state change indicator */ static u32 *get_indicator(void) |