@@ -2,18 +2,14 @@ What: /sys/bus/pci/devices/<BDF>/qat/state
Date: June 2022
KernelVersion: 5.20
Contact: qat-linux@intel.com
-Description: Reports the current state of the QAT device and allows to
- change it.
+Description: (RW) Reports the current state of the QAT device. Write to
+ the file to start or stop the device.
- This attribute is RW.
+ The values are:
- 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
It is possible to transition the device from up to down only
if the device is up and vice versa.
@@ -24,22 +20,14 @@ What: /sys/bus/pci/devices/<BDF>/qat/cfg_services
Date: June 2022
KernelVersion: 5.20
Contact: qat-linux@intel.com
-Description: Reports the current configuration of the QAT device and allows
- to change it.
+Description: (RW) Reports the current configuration of the QAT device.
+ Write to the file to change the configured services.
- This attribute is RW.
+ The values are:
- Returned values:
- 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: the device is configured for running crypto
+ services
+ * dc: the device is configured 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)