@@ -8,12 +8,12 @@ Description: Reports the current state of the QAT device and allows to
This attribute is RW.
Returned values:
- up: the device is up and running
- down: the device is down
+ up: the device is up and running
+ down: the device is down
Allowed values:
- up: initialize and start the device
- down: stop the device and bring it down
+ up: initialize and start the device
+ down: stop the device and bring it down
It is possible to transition the device from up to down only
if the device is up and vice versa.
@@ -30,16 +30,12 @@ Description: Reports the current configuration of the QAT device and allows
This attribute is RW.
Returned values:
- sym;asym: the device is configured for running
- crypto services
- dc: the device is configured for running
- compression services
+ sym;asym: the device is configured for running crypto services
+ dc: the device is configured for running compression services
Allowed values:
- sym;asym: configure the device for running
- crypto services
- dc: configure the device for running
- compression services
+ sym;asym: configure the device for running crypto services
+ dc: configure the device for running compression services
It is possible to set the configuration only if the device
is in the `down` state (see /sys/bus/pci/devices/<BDF>/qat/state)
@@ -47,14 +43,14 @@ Description: Reports the current configuration of the QAT device and allows
The following example shows how to change the configuration of
a device configured for running crypto services in order to
run data compression:
- # cat /sys/bus/pci/devices/<BDF>/qat/state
- up
- # cat /sys/bus/pci/devices/<BDF>/qat/cfg_services
- sym;asym
- # echo down > /sys/bus/pci/devices/<BDF>/qat/state
- # echo dc > /sys/bus/pci/devices/<BDF>/qat/cfg_services
- # echo up > /sys/bus/pci/devices/<BDF>/qat/state
- # cat /sys/bus/pci/devices/<BDF>/qat/cfg_services
- dc
+ # cat /sys/bus/pci/devices/<BDF>/qat/state
+ up
+ # cat /sys/bus/pci/devices/<BDF>/qat/cfg_services
+ sym;asym
+ # echo down > /sys/bus/pci/devices/<BDF>/qat/state
+ # echo dc > /sys/bus/pci/devices/<BDF>/qat/cfg_services
+ # echo up > /sys/bus/pci/devices/<BDF>/qat/state
+ # cat /sys/bus/pci/devices/<BDF>/qat/cfg_services
+ dc
This attribute is only available for qat_4xxx devices.