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From: Ed Maste <emaste@FreeBSD.org>
Date: Mon, 13 Feb 2012 16:48:49 +0000 (UTC)
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Subject: svn commit: r231589 - head/sys/dev/aac
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Author: emaste
Date: Mon Feb 13 16:48:49 2012
New Revision: 231589
URL: http://svn.freebsd.org/changeset/base/231589

Log:
  Add a sysctl to report the firmware build number.
  
  Some older firmware versions have issues that can be worked around by
  avoiding certain operations.  Add a sysctl dev.aac.#.firmware_build to
  make it easy for scripts or userland tools to detect the firmware
  version.

Modified:
  head/sys/dev/aac/aac.c

Modified: head/sys/dev/aac/aac.c
==============================================================================
--- head/sys/dev/aac/aac.c	Mon Feb 13 16:43:29 2012	(r231588)
+++ head/sys/dev/aac/aac.c	Mon Feb 13 16:48:49 2012	(r231589)
@@ -292,6 +292,15 @@ aac_attach(struct aac_softc *sc)
 	aac_describe_controller(sc);
 
 	/*
+	 * Add sysctls.
+	 */
+	SYSCTL_ADD_INT(device_get_sysctl_ctx(sc->aac_dev),
+	    SYSCTL_CHILDREN(device_get_sysctl_tree(sc->aac_dev)),
+	    OID_AUTO, "firmware_build", CTLFLAG_RD,
+	    &sc->aac_revision.buildNumber, 0,
+	    "firmware build number");
+
+	/*
 	 * Register to probe our containers later.
 	 */
 	sc->aac_ich.ich_func = aac_startup;