aboutsummaryrefslogtreecommitdiff
path: root/drivers/infiniband/hw/ipath/ipath_kernel.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/infiniband/hw/ipath/ipath_kernel.h')
-rw-r--r--drivers/infiniband/hw/ipath/ipath_kernel.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/ipath/ipath_kernel.h b/drivers/infiniband/hw/ipath/ipath_kernel.h
index 12194f3dd8c..2f39db7df31 100644
--- a/drivers/infiniband/hw/ipath/ipath_kernel.h
+++ b/drivers/infiniband/hw/ipath/ipath_kernel.h
@@ -575,6 +575,16 @@ struct ipath_devdata {
u16 ipath_gpio_scl_num;
u64 ipath_gpio_sda;
u64 ipath_gpio_scl;
+
+ /* used to override LED behavior */
+ u8 ipath_led_override; /* Substituted for normal value, if non-zero */
+ u16 ipath_led_override_timeoff; /* delta to next timer event */
+ u8 ipath_led_override_vals[2]; /* Alternates per blink-frame */
+ u8 ipath_led_override_phase; /* Just counts, LSB picks from vals[] */
+ atomic_t ipath_led_override_timer_active;
+ /* Used to flash LEDs in override mode */
+ struct timer_list ipath_led_override_timer;
+
};
/* Private data for file operations */
@@ -717,6 +727,15 @@ u64 ipath_snap_cntr(struct ipath_devdata *, ipath_creg);
void ipath_disarm_senderrbufs(struct ipath_devdata *, int);
/*
+ * Set LED override, only the two LSBs have "public" meaning, but
+ * any non-zero value substitutes them for the Link and LinkTrain
+ * LED states.
+ */
+#define IPATH_LED_PHYS 1 /* Physical (linktraining) GREEN LED */
+#define IPATH_LED_LOG 2 /* Logical (link) YELLOW LED */
+void ipath_set_led_override(struct ipath_devdata *dd, unsigned int val);
+
+/*
* number of words used for protocol header if not set by ipath_userinit();
*/
#define IPATH_DFLT_RCVHDRSIZE 9