Commit ff1efa74 authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab Committed by Martin K. Petersen
parent d835971b
...@@ -39,5 +39,6 @@ Linux SCSI Subsystem ...@@ -39,5 +39,6 @@ Linux SCSI Subsystem
scsi-parameters scsi-parameters
scsi scsi
sd-parameters sd-parameters
smartpqi
scsi_transport_srp/figures scsi_transport_srp/figures
.. SPDX-License-Identifier: GPL-2.0
=====================================
SMARTPQI - Microsemi Smart PQI Driver SMARTPQI - Microsemi Smart PQI Driver
----------------------------------------- =====================================
This file describes the smartpqi SCSI driver for Microsemi This file describes the smartpqi SCSI driver for Microsemi
(http://www.microsemi.com) PQI controllers. The smartpqi driver (http://www.microsemi.com) PQI controllers. The smartpqi driver
...@@ -16,20 +18,21 @@ For Microsemi smartpqi controller support, enable the smartpqi driver ...@@ -16,20 +18,21 @@ For Microsemi smartpqi controller support, enable the smartpqi driver
when configuring the kernel. when configuring the kernel.
For more information on the PQI Queuing Interface, please see: For more information on the PQI Queuing Interface, please see:
http://www.t10.org/drafts.htm
http://www.t10.org/members/w_pqi2.htm
Supported devices: - http://www.t10.org/drafts.htm
------------------ - http://www.t10.org/members/w_pqi2.htm
Supported devices
=================
<Controller names to be added as they become publicly available.> <Controller names to be added as they become publicly available.>
smartpqi specific entries in /sys smartpqi specific entries in /sys
----------------------------- =================================
smartpqi host attributes: smartpqi host attributes
------------------------- ------------------------
/sys/class/scsi_host/host*/rescan - /sys/class/scsi_host/host*/rescan
/sys/class/scsi_host/host*/driver_version - /sys/class/scsi_host/host*/driver_version
The host rescan attribute is a write only attribute. Writing to this The host rescan attribute is a write only attribute. Writing to this
attribute will trigger the driver to scan for new, changed, or removed attribute will trigger the driver to scan for new, changed, or removed
...@@ -37,12 +40,13 @@ smartpqi specific entries in /sys ...@@ -37,12 +40,13 @@ smartpqi specific entries in /sys
The version attribute is read-only and will return the driver version The version attribute is read-only and will return the driver version
and the controller firmware version. and the controller firmware version.
For example: For example::
driver: 0.9.13-370 driver: 0.9.13-370
firmware: 0.01-522 firmware: 0.01-522
smartpqi sas device attributes smartpqi sas device attributes
------------------------------ ------------------------------
HBA devices are added to the SAS transport layer. These attributes are HBA devices are added to the SAS transport layer. These attributes are
automatically added by the SAS transport layer. automatically added by the SAS transport layer.
...@@ -50,31 +54,25 @@ smartpqi specific entries in /sys ...@@ -50,31 +54,25 @@ smartpqi specific entries in /sys
/sys/class/sas_device/end_device-X:X/enclosure_identifier /sys/class/sas_device/end_device-X:X/enclosure_identifier
/sys/class/sas_device/end_device-X:X/scsi_target_id /sys/class/sas_device/end_device-X:X/scsi_target_id
smartpqi specific ioctls: smartpqi specific ioctls
------------------------- ========================
For compatibility with applications written for the cciss protocol. For compatibility with applications written for the cciss protocol.
CCISS_DEREGDISK CCISS_DEREGDISK, CCISS_REGNEWDISK, CCISS_REGNEWD
CCISS_REGNEWDISK The above three ioctls all do exactly the same thing, which is to cause the driver
CCISS_REGNEWD to rescan for new devices. This does exactly the same thing as writing to the
smartpqi specific host "rescan" attribute.
The above three ioctls all do exactly the same thing, which is to cause the driver
to rescan for new devices. This does exactly the same thing as writing to the
smartpqi specific host "rescan" attribute.
CCISS_GETPCIINFO CCISS_GETPCIINFO
Returns PCI domain, bus, device and function and "board ID" (PCI subsystem ID). Returns PCI domain, bus, device and function and "board ID" (PCI subsystem ID).
CCISS_GETDRIVVER CCISS_GETDRIVVER
Returns driver version in three bytes encoded as::
Returns driver version in three bytes encoded as: (DRIVER_MAJOR << 28) | (DRIVER_MINOR << 24) | (DRIVER_RELEASE << 16) | DRIVER_REVISION;
(DRIVER_MAJOR << 28) | (DRIVER_MINOR << 24) | (DRIVER_RELEASE << 16) | DRIVER_REVISION;
CCISS_PASSTHRU CCISS_PASSTHRU
Allows "BMIC" and "CISS" commands to be passed through to the Smart Storage Array. Allows "BMIC" and "CISS" commands to be passed through to the Smart Storage Array.
These are used extensively by the SSA Array Configuration Utility, SNMP storage These are used extensively by the SSA Array Configuration Utility, SNMP storage
agents, etc. agents, etc.
...@@ -11092,7 +11092,7 @@ F: drivers/scsi/smartpqi/Kconfig ...@@ -11092,7 +11092,7 @@ F: drivers/scsi/smartpqi/Kconfig
F: drivers/scsi/smartpqi/Makefile F: drivers/scsi/smartpqi/Makefile
F: include/linux/cciss*.h F: include/linux/cciss*.h
F: include/uapi/linux/cciss*.h F: include/uapi/linux/cciss*.h
F: Documentation/scsi/smartpqi.txt F: Documentation/scsi/smartpqi.rst
MICROSEMI ETHERNET SWITCH DRIVER MICROSEMI ETHERNET SWITCH DRIVER
M: Alexandre Belloni <alexandre.belloni@bootlin.com> M: Alexandre Belloni <alexandre.belloni@bootlin.com>
......
...@@ -53,4 +53,4 @@ config SCSI_SMARTPQI ...@@ -53,4 +53,4 @@ config SCSI_SMARTPQI
Note: the aacraid driver will not manage a smartpqi Note: the aacraid driver will not manage a smartpqi
controller. You need to enable smartpqi for smartpqi controller. You need to enable smartpqi for smartpqi
controllers. For more information, please see controllers. For more information, please see
Documentation/scsi/smartpqi.txt Documentation/scsi/smartpqi.rst
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