*
* GPL LICENSE SUMMARY
*
- * Copyright(c) 2015 Intel Corporation.
+ * Copyright(c) 2015, 2016 Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
*
* BSD LICENSE
*
- * Copyright(c) 2015 Intel Corporation.
+ * Copyright(c) 2015, 2016 Intel Corporation.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
return 0;
}
-/*
- * Following deal with the "obviously simple" task of overriding the state
- * of the LEDs, which normally indicate link physical and logical status.
- * The complications arise in dealing with different hardware mappings
- * and the board-dependent routine being called from interrupts.
- * and then there's the requirement to _flash_ them.
- */
-#define LED_OVER_FREQ_SHIFT 8
-#define LED_OVER_FREQ_MASK (0xFF<<LED_OVER_FREQ_SHIFT)
-/* Below is "non-zero" to force override, but both actual LEDs are off */
-#define LED_OVER_BOTH_OFF (8)
+void shutdown_led_override(struct hfi1_pportdata *ppd)
+{
+ struct hfi1_devdata *dd = ppd->dd;
+
+ if (atomic_read(&ppd->led_override_timer_active)) {
+ del_timer_sync(&ppd->led_override_timer);
+ atomic_set(&ppd->led_override_timer_active, 0);
+ }
+
+ /* Shut off LEDs after we are sure timer is not running */
+ setextled(dd, 0);
+}
static void run_led_override(unsigned long opaque)
{
struct hfi1_pportdata *ppd = (struct hfi1_pportdata *)opaque;
struct hfi1_devdata *dd = ppd->dd;
- int timeoff;
- int ph_idx;
+ unsigned long timeout;
+ int phase_idx;
if (!(dd->flags & HFI1_INITTED))
return;
- ph_idx = ppd->led_override_phase++ & 1;
- ppd->led_override = ppd->led_override_vals[ph_idx];
- timeoff = ppd->led_override_timeoff;
+ phase_idx = ppd->led_override_phase & 1;
+ setextled(dd, phase_idx);
+
+ timeout = ppd->led_override_vals[phase_idx];
+ /* Set up for next phase */
+ ppd->led_override_phase = !ppd->led_override_phase;
/*
* don't re-fire the timer if user asked for it to be off; we let
* it fire one more time after they turn it off to simplify
*/
if (ppd->led_override_vals[0] || ppd->led_override_vals[1])
- mod_timer(&ppd->led_override_timer, jiffies + timeoff);
+ mod_timer(&ppd->led_override_timer, jiffies + timeout);
+ else
+ /* Hand control of the LED to the DC for normal operation */
+ write_csr(dd, DCC_CFG_LED_CNTRL, 0);
}
-void hfi1_set_led_override(struct hfi1_pportdata *ppd, unsigned int val)
+/*
+ * To have the LED blink in a particular pattern, provide timeon and timeoff
+ * in milliseconds. To turn off custom blinking and return to normal operation,
+ * provide timeon = timeoff = 0.
+ */
+void hfi1_set_led_override(struct hfi1_pportdata *ppd, unsigned int timeon,
+ unsigned int timeoff)
{
struct hfi1_devdata *dd = ppd->dd;
- int timeoff, freq;
if (!(dd->flags & HFI1_INITTED))
return;
- /* First check if we are blinking. If not, use 1HZ polling */
- timeoff = HZ;
- freq = (val & LED_OVER_FREQ_MASK) >> LED_OVER_FREQ_SHIFT;
-
- if (freq) {
- /* For blink, set each phase from one nybble of val */
- ppd->led_override_vals[0] = val & 0xF;
- ppd->led_override_vals[1] = (val >> 4) & 0xF;
- timeoff = (HZ << 4)/freq;
- } else {
- /* Non-blink set both phases the same. */
- ppd->led_override_vals[0] = val & 0xF;
- ppd->led_override_vals[1] = val & 0xF;
- }
- ppd->led_override_timeoff = timeoff;
+ /* Convert to jiffies for direct use in timer */
+ ppd->led_override_vals[0] = msecs_to_jiffies(timeoff);
+ ppd->led_override_vals[1] = msecs_to_jiffies(timeon);
+ ppd->led_override_phase = 1; /* Arbitrarily start from LED on phase */
/*
* If the timer has not already been started, do so. Use a "quick"
for (pidx = 0; pidx < dd->num_pports; ++pidx) {
ppd = dd->pport + pidx;
- if (atomic_read(&ppd->led_override_timer_active)) {
- /* Need to stop LED timer, _then_ shut off LEDs */
- del_timer_sync(&ppd->led_override_timer);
- atomic_set(&ppd->led_override_timer_active, 0);
- }
- /* Shut off LEDs after we are sure timer is not running */
- ppd->led_override = LED_OVER_BOTH_OFF;
+ shutdown_led_override(ppd);
}
if (dd->flags & HFI1_HAS_SEND_DMA)
sdma_exit(dd);
*
* GPL LICENSE SUMMARY
*
- * Copyright(c) 2015 Intel Corporation.
+ * Copyright(c) 2015, 2016 Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
*
* BSD LICENSE
*
- * Copyright(c) 2015 Intel Corporation.
+ * Copyright(c) 2015, 2016 Intel Corporation.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
u8 overrun_threshold;
u8 phy_error_threshold;
- /* used to override LED behavior */
- u8 led_override; /* Substituted for normal value, if non-zero */
- u16 led_override_timeoff; /* delta to next timer event */
- u8 led_override_vals[2]; /* Alternates per blink-frame */
- u8 led_override_phase; /* Just counts, LSB picks from vals[] */
+ /* Used to override LED behavior for things like maintenance beaconing*/
+ /*
+ * Alternates per phase of blink
+ * [0] holds LED off duration, [1] holds LED on duration
+ */
+ unsigned long led_override_vals[2];
+ u8 led_override_phase; /* LSB picks from vals[] */
atomic_t led_override_timer_active;
/* Used to flash LEDs in override mode */
struct timer_list led_override_timer;
+
u32 sm_trap_qp;
u32 sa_qp;
void cc_state_reclaim(struct rcu_head *rcu);
struct hfi1_devdata *hfi1_alloc_devdata(struct pci_dev *pdev, size_t extra);
+void hfi1_set_led_override(struct hfi1_pportdata *ppd, unsigned int timeon,
+ unsigned int timeoff);
/*
- * Set LED override, only the two LSBs have "public" meaning, but
- * any non-zero value substitutes them for the Link and LinkTrain
- * LED states.
+ * Only to be used for driver unload or device reset where we cannot allow
+ * the timer to fire even the one extra time, else use hfi1_set_led_override
+ * with timeon = timeoff = 0
*/
-#define HFI1_LED_PHYS 1 /* Physical (linktraining) GREEN LED */
-#define HFI1_LED_LOG 2 /* Logical (link) YELLOW LED */
-void hfi1_set_led_override(struct hfi1_pportdata *ppd, unsigned int val);
+void shutdown_led_override(struct hfi1_pportdata *ppd);
#define HFI1_CREDIT_RETURN_RATE (100)
*
* GPL LICENSE SUMMARY
*
- * Copyright(c) 2015 Intel Corporation.
+ * Copyright(c) 2015, 2016 Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
*
* BSD LICENSE
*
- * Copyright(c) 2015 Intel Corporation.
+ * Copyright(c) 2015, 2016 Intel Corporation.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
return reply((struct ib_mad_hdr *)smp);
}
- setextled(dd, on);
+ if (on)
+ hfi1_set_led_override(dd->pport, 2000, 1500);
+ else
+ hfi1_set_led_override(dd->pport, 0, 0);
return __subn_get_opa_led_info(smp, am, data, ibdev, port, resp_len);
}
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