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| author | HighPoint Linux Team <linux@highpoint-tech.com> | 2007-12-14 03:14:26 +0300 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2008-01-12 03:28:06 +0300 |
| commit | 00f5970193e22c48f399a2430635d6416b51befe (patch) | |
| tree | ccab0b0ba3e9c093e5edf16f2d23e9f979d2b6d4 /Documentation/scsi/hptiop.txt | |
| parent | a7ed0448e28ce6154390bf690b8b5c37853732dc (diff) | |
| download | linux-00f5970193e22c48f399a2430635d6416b51befe.tar.xz | |
[SCSI] hptiop: add more adapter models and other fixes
Most code changes were made to support adapters based on Marvell IOP, plus some
other fixes.
- add more PCI device IDs
- support for adapters based on Marvell IOP
- fix a result code translation error on big-endian systems
- fix resource releasing bug when scsi_host_alloc() fail in hptiop_probe()
- update scsi_cmnd.resid when finishing a request
- correct some coding style issues
[akpm@linux-foundation.org: type fixes]
Signed-off-by: HighPoint Linux Team <linux@highpoint-tech.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'Documentation/scsi/hptiop.txt')
| -rw-r--r-- | Documentation/scsi/hptiop.txt | 30 |
1 files changed, 21 insertions, 9 deletions
diff --git a/Documentation/scsi/hptiop.txt b/Documentation/scsi/hptiop.txt index d28a31247d4c..a6eb4add1be6 100644 --- a/Documentation/scsi/hptiop.txt +++ b/Documentation/scsi/hptiop.txt @@ -1,9 +1,9 @@ -HIGHPOINT ROCKETRAID 3xxx RAID DRIVER (hptiop) +HIGHPOINT ROCKETRAID 3xxx/4xxx ADAPTER DRIVER (hptiop) Controller Register Map ------------------------- -The controller IOP is accessed via PCI BAR0. +For Intel IOP based adapters, the controller IOP is accessed via PCI BAR0: BAR0 offset Register 0x10 Inbound Message Register 0 @@ -18,6 +18,24 @@ The controller IOP is accessed via PCI BAR0. 0x40 Inbound Queue Port 0x44 Outbound Queue Port +For Marvell IOP based adapters, the IOP is accessed via PCI BAR0 and BAR1: + + BAR0 offset Register + 0x20400 Inbound Doorbell Register + 0x20404 Inbound Interrupt Mask Register + 0x20408 Outbound Doorbell Register + 0x2040C Outbound Interrupt Mask Register + + BAR1 offset Register + 0x0 Inbound Queue Head Pointer + 0x4 Inbound Queue Tail Pointer + 0x8 Outbound Queue Head Pointer + 0xC Outbound Queue Tail Pointer + 0x10 Inbound Message Register + 0x14 Outbound Message Register + 0x40-0x1040 Inbound Queue + 0x1040-0x2040 Outbound Queue + I/O Request Workflow ---------------------- @@ -73,15 +91,9 @@ The driver exposes following sysfs attributes: driver-version R driver version string firmware-version R firmware version string -The driver registers char device "hptiop" to communicate with HighPoint RAID -management software. Its ioctl routine acts as a general binary interface -between the IOP firmware and HighPoint RAID management software. New management -functions can be implemented in application/firmware without modification -in driver code. - ----------------------------------------------------------------------------- -Copyright (C) 2006 HighPoint Technologies, Inc. All Rights Reserved. +Copyright (C) 2006-2007 HighPoint Technologies, Inc. All Rights Reserved. This file is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of |