Commit 62e3bfa4 authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab Committed by Martin K. Petersen
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parent d2ba7ca3
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.. SPDX-License-Identifier: GPL-2.0

======================================
README file for the dc395x SCSI driver
==========================================
======================================

Status
------
@@ -25,7 +28,7 @@ parameters).

The following parameters are available:

 - safe
safe
   Default: 0, Acceptable values: 0 or 1

   If safe is set to 1 then the adapter will use conservative
@@ -33,52 +36,63 @@ The following parameters are available:

		shortcut for dc395x=7,4,9,15,2,10

 - adapter_id
adapter_id
   Default: 7, Acceptable values: 0 to 15

   Sets the host adapter SCSI ID.

 - max_speed
max_speed
   Default: 1, Acceptable value: 0 to 7
   0 = 20   Mhz
   1 = 12.2 Mhz
   2 = 10   Mhz
   3 = 8    Mhz
   4 = 6.7  Mhz
   5 = 5.8  Hhz
   6 = 5    Mhz
   7 = 4    Mhz

 - dev_mode

   ==  ========
   0   20   Mhz
   1   12.2 Mhz
   2   10   Mhz
   3   8    Mhz
   4   6.7  Mhz
   5   5.8  Hhz
   6   5    Mhz
   7   4    Mhz
   ==  ========

dev_mode
   Bitmap for device configuration

   DevMode bit definition:

      === ======== ========  =========================================
      Bit Val(hex) Val(dec)  Meaning
      *0    0x01       1     Parity check
      *1    0x02       2     Synchronous Negotiation
      *2    0x04       4     Disconnection
      *3    0x08       8     Send Start command on startup. (Not used)
      *4    0x10      16     Tagged Command Queueing
      *5    0x20      32     Wide Negotiation

 - adapter_mode
      === ======== ========  =========================================
       0    0x01       1     Parity check
       1    0x02       2     Synchronous Negotiation
       2    0x04       4     Disconnection
       3    0x08       8     Send Start command on startup. (Not used)
       4    0x10      16     Tagged Command Queueing
       5    0x20      32     Wide Negotiation
      === ======== ========  =========================================

adapter_mode
   Bitmap for adapter configuration

   AdaptMode bit definition

    ===== ======== ========  ====================================================
      Bit Val(hex) Val(dec)  Meaning
      *0    0x01       1     Support more than two drives. (Not used)
      *1    0x02       2     Use DOS compatible mapping for HDs greater than 1GB.
      *2    0x04       4     Reset SCSI Bus on startup.
      *3    0x08       8     Active Negation: Improves SCSI Bus noise immunity.
    ===== ======== ========  ====================================================
       0    0x01       1     Support more than two drives. (Not used)
       1    0x02       2     Use DOS compatible mapping for HDs greater than 1GB.
       2    0x04       4     Reset SCSI Bus on startup.
       3    0x08       8     Active Negation: Improves SCSI Bus noise immunity.
       4    0x10      16     Immediate return on BIOS seek command. (Not used)
    (*)5    0x20      32     Check for LUNs >= 1.
    ===== ======== ========  ====================================================

 - tags
tags
   Default: 3, Acceptable values: 0-5

   The number of tags is 1<<x, if x has been specified

 - reset_delay
reset_delay
   Default: 1, Acceptable values: 0-180

   The seconds to not accept commands after a SCSI Reset
@@ -95,6 +109,7 @@ License (GPL). Please read it, before using this driver. It should be
included in your kernel sources and with your distribution. It carries the
filename COPYING. If you don't have it, please ask me to send you one by
email.

Note: The GNU GPL says also something about warranty and liability.
Please be aware the following: While we do my best to provide a working and
reliable driver, there is a chance, that it will kill your valuable data.
+1 −0
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@@ -17,5 +17,6 @@ Linux SCSI Subsystem
   bnx2fc
   BusLogic
   cxgb3i
   dc395x

   scsi_transport_srp/figures
+1 −1
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@@ -4681,7 +4681,7 @@ L: dc395x@twibble.org
W:	http://twibble.org/dist/dc395x/
W:	http://lists.twibble.org/mailman/listinfo/dc395x/
S:	Maintained
F:	Documentation/scsi/dc395x.txt
F:	Documentation/scsi/dc395x.rst
F:	drivers/scsi/dc395x.*
DCCP PROTOCOL
+1 −1
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@@ -1187,7 +1187,7 @@ config SCSI_DC395x
	  This driver works, but is still in experimental status. So better
	  have a bootable disk and a backup in case of emergency.

	  Documentation can be found in <file:Documentation/scsi/dc395x.txt>.
	  Documentation can be found in <file:Documentation/scsi/dc395x.rst>.

	  To compile this driver as a module, choose M here: the
	  module will be called dc395x.