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Date:      Wed, 26 Sep 2012 16:46:44 +0000 (UTC)
From:      Jim Harris <jimharris@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r240965 - head/sys/dev/isci
Message-ID:  <201209261646.q8QGkiK2058868@svn.freebsd.org>
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Author: jimharris
Date: Wed Sep 26 16:46:44 2012
New Revision: 240965
URL: http://svn.freebsd.org/changeset/base/240965

Log:
  Create led(4) device nodes mapped to isci(4) SGPIO locate LEDs.
  
  Device nodes are in the format /dev/led/isci.busX.portY.locate.
  
  Sponsored by:	Intel
  Requested by:	Paul Maulberger <paul dot maulberger at gmx dot de>
  MFC after:	1 week

Modified:
  head/sys/dev/isci/isci.c
  head/sys/dev/isci/isci.h
  head/sys/dev/isci/isci_controller.c

Modified: head/sys/dev/isci/isci.c
==============================================================================
--- head/sys/dev/isci/isci.c	Wed Sep 26 14:29:15 2012	(r240964)
+++ head/sys/dev/isci/isci.c	Wed Sep 26 16:46:44 2012	(r240965)
@@ -38,11 +38,14 @@ __FBSDID("$FreeBSD$");
 
 #include <cam/cam_periph.h>
 
+#include <dev/led/led.h>
+
 #include <dev/pci/pcireg.h>
 #include <dev/pci/pcivar.h>
 
 #include <dev/isci/scil/scic_logger.h>
 #include <dev/isci/scil/scic_library.h>
+#include <dev/isci/scil/scic_sgpio.h>
 #include <dev/isci/scil/scic_user_callback.h>
 
 #include <dev/isci/scil/scif_controller.h>
@@ -180,7 +183,7 @@ static int
 isci_detach(device_t device)
 {
 	struct isci_softc *isci = DEVICE2SOFTC(device);
-	int i;
+	int i, phy;
 
 	for (i = 0; i < isci->controller_count; i++) {
 		struct ISCI_CONTROLLER *controller = &isci->controllers[i];
@@ -220,6 +223,10 @@ isci_detach(device_t device)
 		if (controller->remote_device_memory != NULL)
 			free(controller->remote_device_memory, M_ISCI);
 
+		for (phy = 0; phy < SCI_MAX_PHYS; phy++)
+			if (controller->led[phy].cdev)
+				led_destroy(controller->led[phy].cdev);
+
 		while (1) {
 			sci_pool_get(controller->unmap_buffer_pool, unmap_buffer);
 			if (unmap_buffer == NULL)

Modified: head/sys/dev/isci/isci.h
==============================================================================
--- head/sys/dev/isci/isci.h	Wed Sep 26 14:29:15 2012	(r240964)
+++ head/sys/dev/isci/isci.h	Wed Sep 26 16:46:44 2012	(r240965)
@@ -143,6 +143,13 @@ struct ISCI_INTERRUPT_INFO
 
 };
 
+struct ISCI_LED
+{
+	struct cdev		*cdev;
+	SCI_CONTROLLER_HANDLE_T	handle;
+	int			index;
+};
+
 struct ISCI_CONTROLLER
 {
 	struct isci_softc 	*isci;
@@ -169,6 +176,7 @@ struct ISCI_CONTROLLER
 	uint32_t		queue_depth;
 	uint32_t		sim_queue_depth;
 	SCI_FAST_LIST_T		pending_device_reset_list;
+	struct ISCI_LED		led[SCI_MAX_PHYS];
 
 	SCI_MEMORY_DESCRIPTOR_LIST_HANDLE_T mdl;
 

Modified: head/sys/dev/isci/isci_controller.c
==============================================================================
--- head/sys/dev/isci/isci_controller.c	Wed Sep 26 14:29:15 2012	(r240964)
+++ head/sys/dev/isci/isci_controller.c	Wed Sep 26 16:46:44 2012	(r240965)
@@ -49,6 +49,9 @@ __FBSDID("$FreeBSD$");
 #include <dev/isci/scil/scif_remote_device.h>
 #include <dev/isci/scil/scif_domain.h>
 #include <dev/isci/scil/scif_user_callback.h>
+#include <dev/isci/scil/scic_sgpio.h>
+
+#include <dev/led/led.h>
 
 void isci_action(struct cam_sim *sim, union ccb *ccb);
 void isci_poll(struct cam_sim *sim);
@@ -271,10 +274,19 @@ void isci_controller_construct(struct IS
 	sci_pool_initialize(controller->unmap_buffer_pool);
 }
 
+static void isci_led_func(void *priv, int onoff)
+{
+	struct ISCI_LED *led = priv;
+
+	/* map onoff to the locate LED */
+	scic_sgpio_update_led_state(led->handle, 1 << led->index, 0, onoff, 0);
+}
+
 SCI_STATUS isci_controller_initialize(struct ISCI_CONTROLLER *controller)
 {
 	SCIC_USER_PARAMETERS_T scic_user_parameters;
 	SCI_CONTROLLER_HANDLE_T scic_controller_handle;
+	char led_name[64];
 	unsigned long tunable;
 	int i;
 
@@ -355,6 +367,15 @@ SCI_STATUS isci_controller_initialize(st
 	xpt_freeze_simq(controller->sim, 1);
 	mtx_unlock(&controller->lock);
 
+	for (i = 0; i < SCI_MAX_PHYS; i++) {
+		controller->led[i].handle = scic_controller_handle;
+		controller->led[i].index = i;
+		sprintf(led_name, "isci.bus%d.port%d.locate",
+		    controller->index, i);
+		controller->led[i].cdev = led_create(isci_led_func,
+		    &controller->led[i], led_name);
+	}
+
 	return (scif_controller_initialize(controller->scif_controller_handle));
 }

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