diff options
Diffstat (limited to 'Documentation/scsi')
| -rw-r--r-- | Documentation/scsi/00-INDEX | 2 | ||||
| -rw-r--r-- | Documentation/scsi/ChangeLog.megaraid_sas | 159 | ||||
| -rw-r--r-- | Documentation/scsi/aacraid.txt | 4 | ||||
| -rw-r--r-- | Documentation/scsi/hptiop.txt | 30 | ||||
| -rw-r--r-- | Documentation/scsi/ncr53c7xx.txt | 40 |
5 files changed, 184 insertions, 51 deletions
diff --git a/Documentation/scsi/00-INDEX b/Documentation/scsi/00-INDEX index aa1f7e927834..c2e18e109858 100644 --- a/Documentation/scsi/00-INDEX +++ b/Documentation/scsi/00-INDEX @@ -64,8 +64,6 @@ lpfc.txt - LPFC driver release notes megaraid.txt - Common Management Module, shared code handling ioctls for LSI drivers -ncr53c7xx.txt - - info on driver for NCR53c7xx based adapters ncr53c8xx.txt - info on driver for NCR53c8xx based adapters osst.txt diff --git a/Documentation/scsi/ChangeLog.megaraid_sas b/Documentation/scsi/ChangeLog.megaraid_sas index 5eb927544990..91c81db0ba71 100644 --- a/Documentation/scsi/ChangeLog.megaraid_sas +++ b/Documentation/scsi/ChangeLog.megaraid_sas @@ -1,3 +1,162 @@ +1 Release Date : Thur. Nov. 07 16:30:43 PST 2007 - + (emaild-id:megaraidlinux@lsi.com) + Sumant Patro + Bo Yang + +2 Current Version : 00.00.03.16 +3 Older Version : 00.00.03.15 + +1. Increased MFI_POLL_TIMEOUT_SECS to 60 seconds from 10. FW may take + a max of 60 seconds to respond to the INIT cmd. + +1 Release Date : Fri. Sep. 07 16:30:43 PST 2007 - + (emaild-id:megaraidlinux@lsi.com) + Sumant Patro + Bo Yang + +2 Current Version : 00.00.03.15 +3 Older Version : 00.00.03.14 + +1. Added module parameter "poll_mode_io" to support for "polling" + (reduced interrupt operation). In this mode, IO completion + interrupts are delayed. At the end of initiating IOs, the + driver schedules for cmd completion if there are pending cmds + to be completed. A timer-based interrupt has also been added + to prevent IO completion processing from being delayed + indefinitely in the case that no new IOs are initiated. + +1 Release Date : Fri. Sep. 07 16:30:43 PST 2007 - + (emaild-id:megaraidlinux@lsi.com) + Sumant Patro + Bo Yang + +2 Current Version : 00.00.03.14 +3 Older Version : 00.00.03.13 + +1. Setting the max_sectors_per_req based on max SGL supported by the + FW. Prior versions calculated this value from controller info + (max_sectors_1, max_sectors_2). For certain controllers/FW, + this was resulting in a value greater than max SGL supported + by the FW. Issue was first reported by users running LUKS+XFS + with megaraid_sas. Thanks to RB for providing the logs and + duplication steps that helped to get to the root cause of the + issue. 2. Increased MFI_POLL_TIMEOUT_SECS to 60 seconds from + 10. FW may take a max of 60 seconds to respond to the INIT + cmd. + +1 Release Date : Fri. June. 15 16:30:43 PST 2007 - + (emaild-id:megaraidlinux@lsi.com) + Sumant Patro + Bo Yang + +2 Current Version : 00.00.03.13 +3 Older Version : 00.00.03.12 + +1. Added the megasas_reset_timer routine to intercept cmd timeout and throttle io. + +On Fri, 2007-03-16 at 16:44 -0600, James Bottomley wrote: +It looks like megaraid_sas at least needs this to throttle its commands +> as they begin to time out. The code keeps the existing transport +> template use of eh_timed_out (and allows the transport to override the +> host if they both have this callback). +> +> James + +1 Release Date : Sat May. 12 16:30:43 PST 2007 - + (emaild-id:megaraidlinux@lsi.com) + Sumant Patro + Bo Yang + +2 Current Version : 00.00.03.12 +3 Older Version : 00.00.03.11 + +1. When MegaSAS driver receives reset call from OS, driver waits in reset +routine for max 3 minutes for all pending command completion. Now driver will +call completion routine every 5 seconds from the reset routine instead of +waiting for depending on cmd completion from isr path. + +1 Release Date : Mon Apr. 30 10:25:52 PST 2007 - + (emaild-id:megaraidlinux@lsi.com) + Sumant Patro + Bo Yang + +2 Current Version : 00.00.03.11 +3 Older Version : 00.00.03.09 + + 1. Memory Manager for IOCTL removed for 2.6 kernels. + pci_alloc_consistent replaced by dma_alloc_coherent. With this + change there is no need of memory manager in the driver code + + On Wed, 2007-02-07 at 13:30 -0800, Andrew Morton wrote: + > I suspect all this horror is due to stupidity in the DMA API. + > + > pci_alloc_consistent() just goes and assumes GFP_ATOMIC, whereas + > the caller (megasas_mgmt_fw_ioctl) would have been perfectly happy + > to use GFP_KERNEL. + > + > I bet this fixes it + + It does, but the DMA API was expanded to cope with this exact case, so + use dma_alloc_coherent() directly in the megaraid code instead. The dev + is just &pci_dev->dev. + + James <James.Bottomley@SteelEye.com> + + 3. SYNCHRONIZE_CACHE is not supported by FW and thus blocked by driver. + 4. Hibernation support added + 5. Performing diskdump while running IO in RHEL 4 was failing. Fixed. + +1 Release Date : Fri Feb. 09 14:36:28 PST 2007 - + (emaild-id:megaraidlinux@lsi.com) + Sumant Patro + Bo Yang + +2 Current Version : 00.00.03.09 +3 Older Version : 00.00.03.08 + +i. Under heavy IO mid-layer prints "DRIVER_TIMEOUT" errors + + The driver now waits for 10 seconds to elapse instead of 5 (as in + previous release) to resume IO. + +1 Release Date : Mon Feb. 05 11:35:24 PST 2007 - + (emaild-id:megaraidlinux@lsi.com) + Sumant Patro + Bo Yang +2 Current Version : 00.00.03.08 +3 Older Version : 00.00.03.07 + +i. Under heavy IO mid-layer prints "DRIVER_TIMEOUT" errors + + Fix: The driver is now throttling IO. + Checks added in megasas_queue_command to know if FW is able to + process commands within timeout period. If number of retries + is 2 or greater,the driver stops sending cmd to FW temporarily. IO is + resumed if pending cmd count reduces to 16 or 5 seconds has elapsed + from the time cmds were last sent to FW. + +ii. FW enables WCE bit in Mode Sense cmd for drives that are configured + as WriteBack. The OS may send "SYNCHRONIZE_CACHE" cmd when Logical + Disks are exposed with WCE=1. User is advised to enable Write Back + mode only when the controller has battery backup. At this time + Synhronize cache is not supported by the FW. Driver will short-cycle + the cmd and return sucess without sending down to FW. + +1 Release Date : Sun Jan. 14 11:21:32 PDT 2007 - + Sumant Patro <Sumant.Patro@lsil.com>/Bo Yang +2 Current Version : 00.00.03.07 +3 Older Version : 00.00.03.06 + +i. bios_param entry added in scsi_host_template that returns disk geometry + information. + +1 Release Date : Fri Oct 20 11:21:32 PDT 2006 - Sumant Patro <Sumant.Patro@lsil.com>/Bo Yang +2 Current Version : 00.00.03.06 +3 Older Version : 00.00.03.05 + +1. Added new memory management module to support the IOCTL memory allocation. For IOCTL we try to allocate from the memory pool created during driver initialization. If mem pool is empty then we allocate at run time. +2. Added check in megasas_queue_command and dpc/isr routine to see if we have already declared adapter dead + (hw_crit_error=1). If hw_crit_error==1, now we donot accept any processing of pending cmds/accept any cmd from OS 1 Release Date : Mon Oct 02 11:21:32 PDT 2006 - Sumant Patro <Sumant.Patro@lsil.com> 2 Current Version : 00.00.03.05 diff --git a/Documentation/scsi/aacraid.txt b/Documentation/scsi/aacraid.txt index a8257840695a..d16011a8618e 100644 --- a/Documentation/scsi/aacraid.txt +++ b/Documentation/scsi/aacraid.txt @@ -56,6 +56,10 @@ Supported Cards/Chipsets 9005:0285:9005:02d1 Adaptec 5405 (Voodoo40) 9005:0285:15d9:02d2 SMC AOC-USAS-S8i-LP 9005:0285:15d9:02d3 SMC AOC-USAS-S8iR-LP + 9005:0285:9005:02d4 Adaptec 2045 (Voodoo04 Lite) + 9005:0285:9005:02d5 Adaptec 2405 (Voodoo40 Lite) + 9005:0285:9005:02d6 Adaptec 2445 (Voodoo44 Lite) + 9005:0285:9005:02d7 Adaptec 2805 (Voodoo80 Lite) 1011:0046:9005:0364 Adaptec 5400S (Mustang) 9005:0287:9005:0800 Adaptec Themisto (Jupiter) 9005:0200:9005:0200 Adaptec Themisto (Jupiter) 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 diff --git a/Documentation/scsi/ncr53c7xx.txt b/Documentation/scsi/ncr53c7xx.txt deleted file mode 100644 index 91e9552d63e5..000000000000 --- a/Documentation/scsi/ncr53c7xx.txt +++ /dev/null @@ -1,40 +0,0 @@ -README for WarpEngine/A4000T/A4091 SCSI kernels. - -Use the following options to disable options in the SCSI driver. - -Using amiboot for example..... - -To disable Synchronous Negotiation.... - - amiboot -k kernel 53c7xx=nosync:0 - -To disable Disconnection.... - - amiboot -k kernel 53c7xx=nodisconnect:0 - -To disable certain SCSI devices... - - amiboot -k kernel 53c7xx=validids:0x3F - - this allows only device ID's 0,1,2,3,4 and 5 for linux to handle. - (this is a bitmasked field - i.e. each bit represents a SCSI ID) - -These commands work on a per controller basis and use the option 'next' to -move to the next controller in the system. - -e.g. - amiboot -k kernel 53c7xx=nodisconnect:0,next,nosync:0 - - this uses No Disconnection on the first controller and Asynchronous - SCSI on the second controller. - -Known Issues: - -Two devices are known not to function with the default settings of using -synchronous SCSI. These are the Archive Viper 150 Tape Drive and the -SyQuest SQ555 removeable hard drive. When using these devices on a controller -use the 'nosync:0' option. - -Please try these options and post any problems/successes to me. - -Alan Hourihane <alanh@fairlite.demon.co.uk> |