From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Stephen M. Cameron" Subject: [PATCH] scsi: Document generic scsi device attributes Date: Wed, 17 Aug 2011 13:20:55 -0500 Message-ID: <20110817182055.8848.75862.stgit@beardog.cce.hp.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Return-path: Received: from g1t0026.austin.hp.com ([15.216.28.33]:18261 "EHLO g1t0026.austin.hp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752349Ab1HQSU5 (ORCPT ); Wed, 17 Aug 2011 14:20:57 -0400 Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: james.bottomley@hansenpartnership.com Cc: stephenmcameron@gmail.com, akpm@linux-foundation.org, gregkh@suse.de, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org From: Stephen M. Cameron Signed-off-by: Stephen M. Cameron --- Documentation/ABI/testing/sysfs-class-scsi_devices | 123 ++++++++++++++++++++ 1 files changed, 123 insertions(+), 0 deletions(-) create mode 100644 Documentation/ABI/testing/sysfs-class-scsi_devices diff --git a/Documentation/ABI/testing/sysfs-class-scsi_devices b/Documentation/ABI/testing/sysfs-class-scsi_devices new file mode 100644 index 0000000..ad2d36b --- /dev/null +++ b/Documentation/ABI/testing/sysfs-class-scsi_devices @@ -0,0 +1,123 @@ +What: /sys/class/scsi_device/..../device/device_blocked +Date: December, 2002 +KernelVersion: Unknown +Contact: James Bottomley +Description: + This read only integer attribute indicates whether the + device is blocked. A non-zero value indicates the device + is blocked, zero indicates the device is not blocked. + +What: /sys/class/scsi_device/..../device/type +Date: December, 2002 +KernelVersion: Unknown +Contact: James Bottomley +Description: + This read only decimal integer value indicates the + SCSI device type. + +What: /sys/class/scsi_device/..../device/scsi_level +Date: January, 2003 +KernelVersion: Unknown +Contact: James Bottomley +Description: + This read only decimal integer value indicates the + SCSI revision level the device claims to support. + +What: /sys/class/scsi_device/..../device/vendor +Date: December, 2002 +KernelVersion: Unknown +Contact: James Bottomley +Description: + This read only string attribute contains the vendor of the SCSI + device. + +What: /sys/class/scsi_device/..../device/model +Date: December 2002 +KernelVersion: Unknown +Contact: James Bottomley +Description: + This read only string attribute contains the model of the SCSI + device. + +What: /sys/class/scsi_device/..../device/rev +Date: December, 2002 +KernelVersion: Unknown +Contact: James Bottomley +Description: + This read only string attribute contains the product revision + of the SCSI device. + +What: /sys/class/scsi_device/..../device/rescan +Date: March, 2003 +KernelVersion: Unknown +Contact: James Bottomley +Description: + +What: /sys/class/scsi_device/..../device/delete +Date: August, 2003 +KernelVersion: Unknown +Contact: James Bottomley +Description: + Writing to this write only attribute causes the SCSI device to + be removed from the SCSI midlayer. + +What: /sys/class/scsi_device/..../device/state +Date: April, 2004 +KernelVersion: Unknown +Contact: James Bottomley +Description: + This read/write string attribute allows setting or retrieving + the current state of the SCSI device. Possible values are + "created", "running", "cancel", "deleted", "quiesce", "offline", + "blocked" and "created-blocked" + +What: /sys/class/scsi_device/..../device/timeout +Date: May, 2004 +KernelVersion: Unknown +Contact: James Bottomley +Description: + This read/write decimal integer attribute contains the number + of seconds which may elapse after sending a command to the + device before that command is considered to have timed out. + +What: /sys/class/scsi_device/..../device/iocounterbits +Date: March, 2005 +KernelVersion: Unknown +Contact: James Bottomley +Description: + This read only integer value shows the number of bits + used to represent the various I/O counters. + +What: /sys/class/scsi_device/..../device/iorequest_cnt +Date: March, 2005 +KernelVersion: Unknown +Contact: James Bottomley +Description: + This read only integer value indicates how many I/O requests + have been submitted to the SCSI device. + +What: /sys/class/scsi_device/..../device/iodone_cnt +Date: March, 2005 +KernelVersion: Unknown +Contact: James Bottomley +Description: + This read only integer value indicates how many I/O requests + have been completed by the SCSI device. + +What: /sys/class/scsi_device/..../device/ioerr_cnt +Date: March, 2005 +KernelVersion: Unknown +Contact: James Bottomley +Description: + This read only integer value indicates how many I/O requests + have been completed with errors by the SCSI device. + +What: /sys/class/scsi_device/..../device/modalias +Date: April, 2007 +KernelVersion: Unknown +Contact: James Bottomley +Description: + This read only string value contains a string of the form + "scsi:t-0xXX" where "XX" are two hex digits representing the + SCSI device type. See also the "type" attribute. +