patch-2.2.0-pre1 linux/drivers/scsi/README.tmscsim

• Lines: 154
• Date: Fri Dec 25 16:41:39 1998
• Orig file: v2.1.132/linux/drivers/scsi/README.tmscsim
• Orig date: Sun Nov 8 14:03:02 1998

diff -u --recursive --new-file v2.1.132/linux/drivers/scsi/README.tmscsim linux/drivers/scsi/README.tmscsim
@@ -17,6 +17,7 @@
 chip. AM53C974 based SCSI adapters include: 
  Tekram DC390, DC390T
  Dawicontrol 2974
+ QLogic Fast! PCI Basic
  some on-board adapters
 (This is most probably not a complete list)
 
@@ -44,7 +45,8 @@
 1.12, then 1.20a to 1.20t. Finally I decided to use the ncr53c8xx scheme. So
 the next revisions will be 2.0a to 2.0X (stable), 2.1a to 2.1X (experimental),
 2.2a to 2.2X (stable, again) etc. (X = anything between a and z.) If I send
-fixes to people for testing, those will have a digit appended, e.g. 2.0a1.
+fixes to people for testing, I create intermediate versions with a digit 
+appended, e.g. 2.0c3.
 
 
 2. Installation
@@ -55,32 +57,36 @@
 support into your kernel or as module when configuring your kernel for
 compiling.
 
-If you got an older kernel with an old version of this driver included, you
-should copy the files (dc390.h, tmscsim.h, tmscsim.c, scsiiom.c and
-README.tmscsim) from this directory to linux/drivers/scsi. You have to
-recompile your kernel/module of course.
-
-You should apply the three patches included in dc390-20-kernel.diff
-(Applying them: cd /usr/src; patch -p0 <~/dc390-20-kernel.diff)
-The patches are against 2.1.103, so you might have to manually resolve
-rejections when applying to another kernel version.
-
-The patches will update the kernel startup code to allow boot parameters to
-be passed to the driver, update the Documentation and finally offer you the
-possibility to omit the non-DC390 parts of the driver.
-(By selecting "Omit support for non DC390" you basically disable the
-emulation of a DC390 EEPROM for non DC390 adapters. This saves a few bytes
-of memory.)
+ If you got an old kernel (pre 2.1.127, pre 2.0.37p1) with an old version of
+ this driver: Get dc390-21125-20b.diff.gz or dc390-2036p21-20b1.diff.gz from
+ my website and apply the patch. 
+
+ If you want to do it manually, you should copy the files (dc390.h,
+ tmscsim.h, tmscsim.c, scsiiom.c and README.tmscsim) from this directory to
+ linux/drivers/scsi. You have to recompile your kernel/module of course.
+
+ You should apply the three patches included in dc390-120-kernel.diff
+ (Applying them: cd /usr/src; patch -p0 <~/dc390-120-kernel.diff)
+ The patches are against 2.1.125, so you might have to manually resolve
+ rejections when applying to another kernel version.
+
+ The patches will update the kernel startup code to allow boot parameters to
+ be passed to the driver, update the Documentation and finally offer you the
+ possibility to omit the non-DC390 parts of the driver.
+ (By selecting "Omit support for non DC390" you basically disable the
+ emulation of a DC390 EEPROM for non DC390 adapters. This saves a few bytes
+ of memory.)
 
 If you got a very old kernel without the tmscsim driver (pre 2.0.31)
 I recommend upgrading your kernel. However, if you don't want to, please
 contact me to get the appropriate patches.
 
-Testing a SCSI driver is always a delicate thing to do. The 2.0 driver has
+
+Upgrading a SCSI driver is always a delicate thing to do. The 2.0 driver has
 proven stable on many systems, but it's still a good idea to take some
 precautions. In an ideal world you would have a full backup of your disks.
 The world isn't ideal and most people don't have full backups (me neither).
-So take at least the following two measures:
+So take at least the following measures:
 * make your kernel remount the FS read-only on detecting an error:
   tune2fs -e remount-ro /dev/sd??
 * have copies of your SCSI disk's partition tables on some safe location:
@@ -103,18 +109,19 @@
 3.Features
 ----------
 - SCSI
- * Tagged queueing
+ * Tagged command queueing
  * Sync speed up to 10 MHz
  * Disconnection
  * Multiple LUNs
 
 - General / Linux interface
- * Support for up to 4 adapters.
+ * Support for up to 4 AM53C974 adapters.
  * DC390 EEPROM usage or boot/module params
  * Information via cat /proc/scsi/tmscsim/?
  * Dynamically configurable by writing to /proc/scsi/tmscsim/?
  * Dynamic allocation of resources
- * SMP support: Adapter specific locks (Linux 2.1.x)
+ * SMP support: Locking on io_request lock (Linux 2.1/2.2) or adapter 
+    specific locks (Linux 2.3)
  * Uniform source code for Linux-2.x.y
  * Support for dyn. addition/removal of devices via add/remove-single-device
    (Try: echo "scsi add-single-device H C I L" >/proc/scsi/scsi 
@@ -336,9 +343,7 @@
 
 Further investigation on these problems:
 
-* TagQ and Disconnection (Resel: SRB Tag Seleection)
-* Problems with IRQ sharing (IO-APIC on SMP Systems) (??)
-* Driver crashes with readcdda (xcdroast)
+* Driver hangs with sync readcdda (xcdroast) (most probably VIA PCI error)
 
 Known problems:
 
@@ -362,12 +367,9 @@
   Richard Waltham <dormouse@farsrobt.demon.co.uk> or Doug Ledford
   <dledford@dialnet.net>, if you want to help further debugging it.
 * 2.0.35: CD changers (e.g. NAKAMICHI MBR-7.{0,2}) have problems because
-  the mid-level code doesn't handle BLIST_SINGLELUN correctly. Apply
-  the patch 2035-scsi-singlelun.diff. Thanks to Chiaki Ishikawa.
-  I was told that this fix will be in 2.0.36, so you don't need it for
-  2.0.36. 
-[The patch file is contained in the dc390-XXX.tar.gz files which can be found
-on the ftp server. See below.]
+  the mid-level code doesn't handle BLIST_SINGLELUN correctly. There used
+  to be a patch included here to fix this, but I was told that it is fixed
+  in 2.0.36.
 
 
 7. Bug reports, debugging and updates
@@ -379,7 +381,7 @@
 Please append the output of /proc/scsi/scsi, /proc/scsi/tmscsim/? and
 maybe the DC390 log messages to the report. 
 
-Bug reports should be send to me (Kurt Garloff <K.Garloff@ping.de>) as well
+Bug reports should be send to me (Kurt Garloff <dc390@garloff.de>) as well
 as to the linux-scsi list (<linux-scsi@vger.rutgers.edu>), as sometimes bugs
 are caused by the SCSI mid-level code.
 
@@ -391,7 +393,10 @@
 having your box spending most of its time doing the logging.
 
 The latest version of the driver can be found at:
-ftp://student.physik.uni-dortmund.de/pub/linux/kernel/dc390/
+ http://www.garloff.de/kurt/linux/dc390/
+and
+ ftp://student.physik.uni-dortmund.de/pub/linux/kernel/dc390/
+(The latter might shut down some day.)
 
 
 8. Acknowledgements
@@ -408,6 +413,6 @@
 
 
 -------------------------------------------------------------------------
-Written by Kurt Garloff <K.Garloff@ping.de> 1998/06/11
-Last updated 1998/10/15, driver revision 2.0b
-$Id: README.tmscsim,v 2.4 1998/10/24 08:45:02 garloff Exp $
+Written by Kurt Garloff <kurt@garloff.de> 1998/06/11
+Last updated 1998/12/25, driver revision 2.0d
+$Id: README.tmscsim,v 2.9 1998/12/25 18:04:20 garloff Exp $