svn commit: r236713 - head/sys/cam

[Alexander Motin]

Author: mav
Date: Thu Jun  7 10:53:42 2012
New Revision: 236713
URL: http://svn.freebsd.org/changeset/base/236713

Log:
  Add CAM_DEBUG_INFO debug messages for periph created/invalidated/destroyed
  and for asyncs sent.

Modified:
  head/sys/cam/cam_periph.c
  head/sys/cam/cam_xpt.c

Modified: head/sys/cam/cam_periph.c
==============================================================================
--- head/sys/cam/cam_periph.c	Thu Jun  7 10:05:51 2012	(r236712)
+++ head/sys/cam/cam_periph.c	Thu Jun  7 10:53:42 2012	(r236713)
@@ -240,6 +240,7 @@ cam_periph_alloc(periph_ctor_t *periph_c
 		goto failure;
 
 	init_level++;
+	CAM_DEBUG(periph->path, CAM_DEBUG_INFO, ("Periph created\n"));
 
 	status = periph_ctor(periph, arg);
 
@@ -252,6 +253,7 @@ failure:
 		/* Initialized successfully */
 		break;
 	case 3:
+		CAM_DEBUG(periph->path, CAM_DEBUG_INFO, ("Periph destroyed\n"));
 		xpt_remove_periph(periph);
 		/* FALLTHROUGH */
 	case 2:
@@ -572,6 +574,7 @@ void
 cam_periph_invalidate(struct cam_periph *periph)
 {
 
+	CAM_DEBUG(periph->path, CAM_DEBUG_INFO, ("Periph invalidated\n"));
 	/*
 	 * We only call this routine the first time a peripheral is
 	 * invalidated.
@@ -610,6 +613,7 @@ camperiphfree(struct cam_periph *periph)
 	if (periph->periph_dtor != NULL)
 		periph->periph_dtor(periph);
 	xpt_remove_periph(periph);
+	CAM_DEBUG(periph->path, CAM_DEBUG_INFO, ("Periph destroyed\n"));
 
 	if (periph->flags & CAM_PERIPH_NEW_DEV_FOUND) {
 		union ccb ccb;

Modified: head/sys/cam/cam_xpt.c
==============================================================================
--- head/sys/cam/cam_xpt.c	Thu Jun  7 10:05:51 2012	(r236712)
+++ head/sys/cam/cam_xpt.c	Thu Jun  7 10:53:42 2012	(r236713)
@@ -2973,7 +2973,7 @@ xpt_action_default(union ccb *start_ccb)
 	}
 	case XPT_DEBUG: {
 		/* Check that all request bits are supported. */
-		if (start_ccb->cdbg.flags & ~CAM_DEBUG_COMPILE) {
+		if (start_ccb->cdbg.flags & ~(CAM_DEBUG_COMPILE)) {
 			start_ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
 			break;
 		}
@@ -4033,6 +4033,28 @@ xptpathid(const char *sim_name, int sim_
 	return (pathid);
 }
 
+static const char *
+xpt_async_string(u_int32_t async_code)
+{
+
+	switch (async_code) {
+	case AC_BUS_RESET: return ("AC_BUS_RESET");
+	case AC_UNSOL_RESEL: return ("AC_UNSOL_RESEL");
+	case AC_SCSI_AEN: return ("AC_SCSI_AEN");
+	case AC_SENT_BDR: return ("AC_SENT_BDR");
+	case AC_PATH_REGISTERED: return ("AC_PATH_REGISTERED");
+	case AC_PATH_DEREGISTERED: return ("AC_PATH_DEREGISTERED");
+	case AC_FOUND_DEVICE: return ("AC_FOUND_DEVICE");
+	case AC_LOST_DEVICE: return ("AC_LOST_DEVICE");
+	case AC_TRANSFER_NEG: return ("AC_TRANSFER_NEG");
+	case AC_INQ_CHANGED: return ("AC_INQ_CHANGED");
+	case AC_GETDEV_CHANGED: return ("AC_GETDEV_CHANGED");
+	case AC_CONTRACT: return ("AC_CONTRACT");
+	case AC_ADVINFO_CHANGED: return ("AC_ADVINFO_CHANGED");
+	}
+	return ("AC_UNKNOWN");
+}
+
 void
 xpt_async(u_int32_t async_code, struct cam_path *path, void *async_arg)
 {
@@ -4041,8 +4063,8 @@ xpt_async(u_int32_t async_code, struct c
 	struct cam_ed *device, *next_device;
 
 	mtx_assert(path->bus->sim->mtx, MA_OWNED);
-
-	CAM_DEBUG(path, CAM_DEBUG_TRACE, ("xpt_async\n"));
+	CAM_DEBUG(path, CAM_DEBUG_TRACE | CAM_DEBUG_INFO,
+	    ("xpt_async(%s)\n", xpt_async_string(async_code)));
 
 	/*
 	 * Most async events come from a CAM interrupt context.  In