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From: Matt Jacob <mjacob@FreeBSD.org>
Date: Tue, 14 Nov 2006 08:45:49 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc: 
Subject: cvs commit: src/sys/dev/isp isp.c isp_freebsd.c isp_freebsd.h
 isp_library.c isp_library.h isp_pci.c isp_stds.h ispvar.h
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mjacob      2006-11-14 08:45:49 UTC

  FreeBSD src repository

  Modified files:
    sys/dev/isp          isp.c isp_freebsd.c isp_freebsd.h 
                         isp_library.c isp_library.h isp_pci.c 
                         isp_stds.h ispvar.h 
  Log:
  Push things closer to path failover by implementing loop down and
  gone device timers and zombie state entries. There are tunables
  that can be used to select a number of parameters.
  
  loop_down_limit - how long to wait for loop to come back up before
  declaring
  all devices dead (default 300 seconds)
  
  gone_device_time- how long to wait for a device that has appeared
  to leave the loop or fabric to reappear (default 30 seconds)
  
  Internal tunables include (which should be externalized):
  
  quick_boot_time- how long to wait when booting for loop to come up
  
  change_is_bad- whether or not to accept devices with the same
  WWNN/WWPN that reappear at a different PortID as being the 'same'
  device.
  
  Keen students of some of the subtle issues here will ask how
  one can keep devices from being re-accepted at all (the answer
  is to set a gone_device_time to zero- that effectively would
  be the same thing).
  
  Revision  Changes    Path
  1.129     +246 -226  src/sys/dev/isp/isp.c
  1.127     +531 -152  src/sys/dev/isp/isp_freebsd.c
  1.95      +34 -104   src/sys/dev/isp/isp_freebsd.h
  1.7       +53 -6     src/sys/dev/isp/isp_library.c
  1.4       +1 -0      src/sys/dev/isp/isp_library.h
  1.125     +25 -3     src/sys/dev/isp/isp_pci.c
  1.2       +14 -1     src/sys/dev/isp/isp_stds.h
  1.79      +38 -5     src/sys/dev/isp/ispvar.h