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-rw-r--r--drivers/s390/cio/qdio.h5
-rw-r--r--drivers/s390/cio/qdio_debug.c10
-rw-r--r--drivers/s390/cio/qdio_main.c4
-rw-r--r--drivers/s390/cio/qdio_thinint.c2
4 files changed, 16 insertions, 5 deletions
diff --git a/drivers/s390/cio/qdio.h b/drivers/s390/cio/qdio.h
index 3dd86441da3..c15624b7690 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 aaf7f935bfd..ed68245f974 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 7ded1b26fd2..a76d6764ce6 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 a3e3949d7b6..8c1f412b7e6 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)