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Date: Tue, 12 Dec 1995 00:58:07 -0800 (PST)
From: "Justin T. Gibbs" <gibbs>
Message-Id: <199512120858.AAA21694@freefall.freebsd.org>
To: CVS-committers, cvs-sys
Subject: cvs commit: src/sys/pci bt9xx.c
Sender: owner-commit@FreeBSD.ORG
Precedence: bulk

gibbs       95/12/12 00:58:06

  Modified:    sys/conf  files
  Log:
  Add pci/bt9xx.c - the new PCI probe module of the Buslogic SCSI driver.
  
  Revision  Changes    Path
  1.54      +1 -0      src/sys/conf/files

  Modified:    sys/i386/conf  GENERIC LINT files.i386
  Log:
  Have bt0 entry specify "bt_isa_intr" for its vector.  This one entry will
  allow one EISA/ISA/PCI/VL Buslogic controller to be probed.  The driver
  is almost fully dynamic.  It just needs some kdc work and for the SCSI code
  to stop passing unit numbers up in the scsi_xfer struct.
  
  Revision  Changes    Path
  1.54      +2 -2      src/sys/i386/conf/GENERIC
  1.221     +2 -2      src/sys/i386/conf/LINT
  1.117     +4 -2      src/sys/i386/conf/files.i386

  Added:       sys/i386/eisa  bt74x.c
  Log:
  Eisa Probe portion of revamped Buslogic SCSI driver.

  Modified:    sys/i386/i386  autoconf.c
  Log:
  Have Eisa and PCI probes occur before ISA probes.  Buslogic EISA and PCI cards
  can be found in ISA compatibility mode by the ISA driver, but since the
  EISA and PCI probes are non-invasive, we prefer them to find the card first.
  Since both EISA and PCI probes can rely on interrupts, enable them before
  probing of any type is performed.  All ISA probes are still "protected" by
  splhigh().
  
  Revision  Changes    Path
  1.48      +10 -5     src/sys/i386/i386/autoconf.c

  Added:       sys/i386/isa  bt5xx-445.c
  Removed:     sys/i386/isa  bt742a.c
  Log:
  Isa/VL probe portion of the Buslogic SCSI driver.

  Added:       sys/i386/scsi  bt.c btreg.h
  Log:
  The core of the Buslogic SCSI driver that is shared for all models on
  all buses.
  
  Known problems:
  -The PCI probe code has not been tested. Someone with a PCI Bt card will
   have to validate it, but even if it is broken all cards the earlier version
   of this driver found in ISA compatibility mode should still be found.
  -Still missing the BT956 PCI ID, so it will be found as an ISA card until
   someone suplies it.
  -PCI interrupts go through an interrupt stub that returns an int until
   we remove the edge-triggered PCI compatibiliity cruft.
  -ISA interrupts go through an interrupt stub until they pass in (void *).
  -The driver could support more mboxes and concurrent commands by allocating
   structures separately and hanging them off the bt_data struct to get around
   the 4K page limit. Someone with documentation should do this and also
   enable tagged queuing.

  Added:       sys/pci   bt9xx.c
  Log:
  PCI portion of the Buslogic SCSI driver.  Needs to be tested and more
  PCI ids for Buslogic products added.