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android_kernel_xiaomi_sm8350/Documentation/scsi/aic7xxx.txt
Hannes Reinecke d60256b1b3 [SCSI] aic7xxx: update documentation 
This patch updates the documentation for aic7xxx and aic79xx with fixes
from the adaptec driver.

Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-01-31 14:39:49 -06:00

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====================================================================
= Adaptec Aic7xxx Fast -> Ultra160 Family Manager Set v7.0 =
= README for =
= The Linux Operating System =
====================================================================
The following information is available in this file:
1. Supported Hardware
2. Version History
3. Command Line Options
4. Contacting Adaptec
1. Supported Hardware
The following Adaptec SCSI Chips and Host Adapters are supported by
the aic7xxx driver.
Chip MIPS Host Bus MaxSync MaxWidth SCBs Notes
---------------------------------------------------------------
aic7770 10 EISA/VL 10MHz 16Bit 4 1
aic7850 10 PCI/32 10MHz 8Bit 3
aic7855 10 PCI/32 10MHz 8Bit 3
aic7856 10 PCI/32 10MHz 8Bit 3
aic7859 10 PCI/32 20MHz 8Bit 3
aic7860 10 PCI/32 20MHz 8Bit 3
aic7870 10 PCI/32 10MHz 16Bit 16
aic7880 10 PCI/32 20MHz 16Bit 16
aic7890 20 PCI/32 40MHz 16Bit 16 3 4 5 6 7 8
aic7891 20 PCI/64 40MHz 16Bit 16 3 4 5 6 7 8
aic7892 20 PCI/64-66 80MHz 16Bit 16 3 4 5 6 7 8
aic7895 15 PCI/32 20MHz 16Bit 16 2 3 4 5
aic7895C 15 PCI/32 20MHz 16Bit 16 2 3 4 5 8
aic7896 20 PCI/32 40MHz 16Bit 16 2 3 4 5 6 7 8
aic7897 20 PCI/64 40MHz 16Bit 16 2 3 4 5 6 7 8
aic7899 20 PCI/64-66 80MHz 16Bit 16 2 3 4 5 6 7 8
1. Multiplexed Twin Channel Device - One controller servicing two
busses.
2. Multi-function Twin Channel Device - Two controllers on one chip.
3. Command Channel Secondary DMA Engine - Allows scatter gather list
and SCB prefetch.
4. 64 Byte SCB Support - Allows disconnected, unttagged request table
for all possible target/lun combinations.
5. Block Move Instruction Support - Doubles the speed of certain
sequencer operations.
6. `Bayonet' style Scatter Gather Engine - Improves S/G prefetch
performance.
7. Queuing Registers - Allows queuing of new transactions without
pausing the sequencer.
8. Multiple Target IDs - Allows the controller to respond to selection
as a target on multiple SCSI IDs.
Controller Chip Host-Bus Int-Connectors Ext-Connectors Notes
--------------------------------------------------------------------------
AHA-274X[A] aic7770 EISA SE-50M SE-HD50F
AHA-274X[A]W aic7770 EISA SE-HD68F SE-HD68F
SE-50M
AHA-274X[A]T aic7770 EISA 2 X SE-50M SE-HD50F
AHA-2842 aic7770 VL SE-50M SE-HD50F
AHA-2940AU aic7860 PCI/32 SE-50M SE-HD50F
AVA-2902I aic7860 PCI/32 SE-50M
AVA-2902E aic7860 PCI/32 SE-50M
AVA-2906 aic7856 PCI/32 SE-50M SE-DB25F
APC-7850 aic7850 PCI/32 SE-50M 1
AVA-2940 aic7860 PCI/32 SE-50M
AHA-2920B aic7860 PCI/32 SE-50M
AHA-2930B aic7860 PCI/32 SE-50M
AHA-2920C aic7856 PCI/32 SE-50M SE-HD50F
AHA-2930C aic7860 PCI/32 SE-50M
AHA-2930C aic7860 PCI/32 SE-50M
AHA-2910C aic7860 PCI/32 SE-50M
AHA-2915C aic7860 PCI/32 SE-50M
AHA-2940AU/CN aic7860 PCI/32 SE-50M SE-HD50F
AHA-2944W aic7870 PCI/32 HVD-HD68F HVD-HD68F
HVD-50M
AHA-3940W aic7870 PCI/32 2 X SE-HD68F SE-HD68F 2
AHA-2940UW aic7880 PCI/32 SE-HD68F
SE-50M SE-HD68F
AHA-2940U aic7880 PCI/32 SE-50M SE-HD50F
AHA-2940D aic7880 PCI/32
aHA-2940 A/T aic7880 PCI/32
AHA-2940D A/T aic7880 PCI/32
AHA-3940UW aic7880 PCI/32 2 X SE-HD68F SE-HD68F 3
AHA-3940UWD aic7880 PCI/32 2 X SE-HD68F 2 X SE-VHD68F 3
AHA-3940U aic7880 PCI/32 2 X SE-50M SE-HD50F 3
AHA-2944UW aic7880 PCI/32 HVD-HD68F HVD-HD68F
HVD-50M
AHA-3944UWD aic7880 PCI/32 2 X HVD-HD68F 2 X HVD-VHD68F 3
AHA-4944UW aic7880 PCI/32
AHA-2930UW aic7880 PCI/32
AHA-2940UW Pro aic7880 PCI/32 SE-HD68F SE-HD68F 4
SE-50M
AHA-2940UW/CN aic7880 PCI/32
AHA-2940UDual aic7895 PCI/32
AHA-2940UWDual aic7895 PCI/32
AHA-3940UWD aic7895 PCI/32
AHA-3940AUW aic7895 PCI/32
AHA-3940AUWD aic7895 PCI/32
AHA-3940AU aic7895 PCI/32
AHA-3944AUWD aic7895 PCI/32 2 X HVD-HD68F 2 X HVD-VHD68F
AHA-2940U2B aic7890 PCI/32 LVD-HD68F LVD-HD68F
AHA-2940U2 OEM aic7891 PCI/64
AHA-2940U2W aic7890 PCI/32 LVD-HD68F LVD-HD68F
SE-HD68F
SE-50M
AHA-2950U2B aic7891 PCI/64 LVD-HD68F LVD-HD68F
AHA-2930U2 aic7890 PCI/32 LVD-HD68F SE-HD50F
SE-50M
AHA-3950U2B aic7897 PCI/64
AHA-3950U2D aic7897 PCI/64
AHA-29160 aic7892 PCI/64-66
AHA-29160 CPQ aic7892 PCI/64-66
AHA-29160N aic7892 PCI/32 LVD-HD68F SE-HD50F
SE-50M
AHA-29160LP aic7892 PCI/64-66
AHA-19160 aic7892 PCI/64-66
AHA-29150LP aic7892 PCI/64-66
AHA-29130LP aic7892 PCI/64-66
AHA-3960D aic7899 PCI/64-66 2 X LVD-HD68F 2 X LVD-VHD68F
LVD-50M
AHA-3960D CPQ aic7899 PCI/64-66 2 X LVD-HD68F 2 X LVD-VHD68F
LVD-50M
AHA-39160 aic7899 PCI/64-66 2 X LVD-HD68F 2 X LVD-VHD68F
LVD-50M
1. No BIOS support
2. DEC21050 PCI-PCI bridge with multiple controller chips on secondary bus
3. DEC2115X PCI-PCI bridge with multiple controller chips on secondary bus
4. All three SCSI connectors may be used simultaneously without
SCSI "stub" effects.
2. Version History
7.0 (4th August, 2005)
- Updated driver to use SCSI transport class infrastructure
- Upported sequencer and core fixes from last adaptec released
version of the driver.
6.2.36 (June 3rd, 2003)
- Correct code that disables PCI parity error checking.
- Correct and simplify handling of the ignore wide residue
message. The previous code would fail to report a residual
if the transaction data length was even and we received
an IWR message.
- Add support for the 2.5.X EISA framework.
- Update for change in 2.5.X SCSI proc FS interface.
- Correct Domain Validation command-line option parsing.
- When negotiation async via an 8bit WDTR message, send
an SDTR with an offset of 0 to be sure the target
knows we are async. This works around a firmware defect
in the Quantum Atlas 10K.
- Clear PCI error state during driver attach so that we
don't disable memory mapped I/O due to a stray write
by some other driver probe that occurred before we
claimed the controller.
6.2.35 (May 14th, 2003)
- Fix a few GCC 3.3 compiler warnings.
- Correct operation on EISA Twin Channel controller.
- Add support for 2.5.X's scsi_report_device_reset().
6.2.34 (May 5th, 2003)
- Fix locking regression instroduced in 6.2.29 that
could cuase a lock order reversal between the io_request_lock
and our per-softc lock. This was only possible on RH9,
SuSE, and kernel.org 2.4.X kernels.
6.2.33 (April 30th, 2003)
- Dynamically disable PCI parity error reporting after
10 errors are reported to the user. These errors are
the result of some other device issuing PCI transactions
with bad parity. Once the user has been informed of the
problem, continuing to report the errors just degrades
our performance.
6.2.32 (March 28th, 2003)
- Dynamically sized S/G lists to avoid SCSI malloc
pool fragmentation and SCSI mid-layer deadlock.
6.2.28 (January 20th, 2003)
- Domain Validation Fixes
- Add ability to disable PCI parity error checking.
- Enhanced Memory Mapped I/O probe
6.2.20 (November 7th, 2002)
- Added Domain Validation.
3. Command Line Options
WARNING: ALTERING OR ADDING THESE DRIVER PARAMETERS
INCORRECTLY CAN RENDER YOUR SYSTEM INOPERABLE.
USE THEM WITH CAUTION.
Edit the file "modprobe.conf" in the directory /etc and add/edit a
line containing 'options aic7xxx aic7xxx=[command[,command...]]' where
'command' is one or more of the following:
-----------------------------------------------------------------
Option: verbose
Definition: enable additional informative messages during
driver operation.
Possible Values: This option is a flag
Default Value: disabled
-----------------------------------------------------------------
Option: debug:[value]
Definition: Enables various levels of debugging information
Possible Values: 0x0000 = no debugging, 0xffff = full debugging
Default Value: 0x0000
-----------------------------------------------------------------
Option: no_probe
Option: probe_eisa_vl
Definition: Do not probe for EISA/VLB controllers.
This is a toggle. If the driver is compiled
to not probe EISA/VLB controllers by default,
specifying "no_probe" will enable this probing.
If the driver is compiled to probe EISA/VLB
controllers by default, specifying "no_probe"
will disable this probing.
Possible Values: This option is a toggle
Default Value: EISA/VLB probing is disabled by default.
-----------------------------------------------------------------
Option: pci_parity
Definition: Toggles the detection of PCI parity errors.
On many motherboards with VIA chipsets,
PCI parity is not generated correctly on the
PCI bus. It is impossible for the hardware to
differentiate between these "spurious" parity
errors and real parity errors. The symptom of
this problem is a stream of the message:
"scsi0: Data Parity Error Detected during address or write data phase"
output by the driver.
Possible Values: This option is a toggle
Default Value: PCI Parity Error reporting is disabled
-----------------------------------------------------------------
Option: no_reset
Definition: Do not reset the bus during the initial probe
phase
Possible Values: This option is a flag
Default Value: disabled
-----------------------------------------------------------------
Option: extended
Definition: Force extended translation on the controller
Possible Values: This option is a flag
Default Value: disabled
-----------------------------------------------------------------
Option: periodic_otag
Definition: Send an ordered tag periodically to prevent
tag starvation. Needed for some older devices
Possible Values: This option is a flag
Default Value: disabled
-----------------------------------------------------------------
Option: reverse_scan
Definition: Probe the scsi bus in reverse order, starting
with target 15
Possible Values: This option is a flag
Default Value: disabled
-----------------------------------------------------------------
Option: global_tag_depth:[value]
Definition: Global tag depth for all targets on all busses.
This option sets the default tag depth which
may be selectively overridden vi the tag_info
option.
Possible Values: 1 - 253
Default Value: 32
-----------------------------------------------------------------
Option: tag_info:{{value[,value...]}[,{value[,value...]}...]}
Definition: Set the per-target tagged queue depth on a
per controller basis. Both controllers and targets
may be ommitted indicating that they should retain
the default tag depth.
Examples: tag_info:{{16,32,32,64,8,8,,32,32,32,32,32,32,32,32,32}
On Controller 0
specifies a tag depth of 16 for target 0
specifies a tag depth of 64 for target 3
specifies a tag depth of 8 for targets 4 and 5
leaves target 6 at the default
specifies a tag depth of 32 for targets 1,2,7-15
All other targets retain the default depth.
tag_info:{{},{32,,32}}
On Controller 1
specifies a tag depth of 32 for targets 0 and 2
All other targets retain the default depth.
Possible Values: 1 - 253
Default Value: 32
-----------------------------------------------------------------
Option: seltime:[value]
Definition: Specifies the selection timeout value
Possible Values: 0 = 256ms, 1 = 128ms, 2 = 64ms, 3 = 32ms
Default Value: 0
-----------------------------------------------------------------
Option: dv: {value[,value...]}
Definition: Set Domain Validation Policy on a per-controller basis.
Controllers may be ommitted indicating that
they should retain the default read streaming setting.
Example: dv:{-1,0,,1,1,0}
On Controller 0 leave DV at its default setting.
On Controller 1 disable DV.
Skip configuration on Controller 2.
On Controllers 3 and 4 enable DV.
On Controller 5 disable DV.
Possible Values: < 0 Use setting from serial EEPROM.
0 Disable DV
> 0 Enable DV
Default Value: SCSI-Select setting on controllers with a SCSI Select
option for DV. Otherwise, on for controllers supporting
U160 speeds and off for all other controller types.
-----------------------------------------------------------------
Example:
'options aic7xxx aic7xxx=verbose,no_probe,tag_info:{{},{,,10}},seltime:1'
enables verbose logging, Disable EISA/VLB probing,
and set tag depth on Controller 1/Target 2 to 10 tags.
4. Adaptec Customer Support
A Technical Support Identification (TSID) Number is required for
Adaptec technical support.
- The 12-digit TSID can be found on the white barcode-type label
included inside the box with your product. The TSID helps us
provide more efficient service by accurately identifying your
product and support status.
Support Options
- Search the Adaptec Support Knowledgebase (ASK) at
http://ask.adaptec.com for articles, troubleshooting tips, and
frequently asked questions about your product.
- For support via Email, submit your question to Adaptec's
Technical Support Specialists at http://ask.adaptec.com/.
North America
- Visit our Web site at http://www.adaptec.com/.
- For information about Adaptec's support options, call
408-957-2550, 24 hours a day, 7 days a week.
- To speak with a Technical Support Specialist,
* For hardware products, call 408-934-7274,
Monday to Friday, 3:00 am to 5:00 pm, PDT.
* For RAID and Fibre Channel products, call 321-207-2000,
Monday to Friday, 3:00 am to 5:00 pm, PDT.
To expedite your service, have your computer with you.
- To order Adaptec products, including accessories and cables,
call 408-957-7274. To order cables online go to
http://www.adaptec.com/buy-cables/.
Europe
- Visit our Web site at http://www.adaptec-europe.com/.
- To speak with a Technical Support Specialist, call, or email,
* German: +49 89 4366 5522, Monday-Friday, 9:00-17:00 CET,
http://ask-de.adaptec.com/.
* French: +49 89 4366 5533, Monday-Friday, 9:00-17:00 CET,
http://ask-fr.adaptec.com/.
* English: +49 89 4366 5544, Monday-Friday, 9:00-17:00 GMT,
http://ask.adaptec.com/.
- You can order Adaptec cables online at
http://www.adaptec.com/buy-cables/.
Japan
- Visit our web site at http://www.adaptec.co.jp/.
- To speak with a Technical Support Specialist, call
+81 3 5308 6120, Monday-Friday, 9:00 a.m. to 12:00 p.m.,
1:00 p.m. to 6:00 p.m.
-------------------------------------------------------------------
/*
* Copyright (c) 2003 Adaptec Inc. 691 S. Milpitas Blvd., Milpitas CA 95035 USA.
* All rights reserved.
*
* You are permitted to redistribute, use and modify this README file in whole
* or in part in conjunction with redistribution of software governed by the
* General Public License, provided that the following conditions are met:
* 1. Redistributions of README file must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification.
* 2. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
* 3. Modifications or new contributions must be attributed in a copyright
* notice identifying the author ("Contributor") and added below the
* original copyright notice. The copyright notice is for purposes of
* identifying contributors and should not be deemed as permission to alter
* the permissions given by Adaptec.
*
* THIS README FILE IS PROVIDED BY ADAPTEC AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, ANY
* WARRANTIES OF NON-INFRINGEMENT OR THE IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* ADAPTEC OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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