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authorBagas Sanjaya <[email protected]>2022-07-13 15:56:28 +0700
committerHerbert Xu <[email protected]>2022-07-22 16:22:03 +0800
commit1b466b8cbfd8321408bb0792b241a2b9222aed62 (patch)
tree442234df30a27f7482bbba09da5f49a77a863a9b
parent19cdbdb7cda0cb4948dfaab613d8b4f63c88a53e (diff)
Documentation: qat: rewrite description
The sysfs description contains redundancy on returned and allowed values list, due to the described sysfs is read-write. Rewrite. Acked-by: Giovanni Cabiddu <[email protected]> Cc: Adam Guerin <[email protected]> Cc: Tomasz Kowallik <[email protected]> Cc: Giovanni Cabiddu <[email protected]> Cc: Wojciech Ziemba <[email protected]> Cc: Fiona Trahe <[email protected]> Cc: [email protected] Cc: [email protected] Signed-off-by: Bagas Sanjaya <[email protected]> Signed-off-by: Herbert Xu <[email protected]>
-rw-r--r--Documentation/ABI/testing/sysfs-driver-qat38
1 files changed, 13 insertions, 25 deletions
diff --git a/Documentation/ABI/testing/sysfs-driver-qat b/Documentation/ABI/testing/sysfs-driver-qat
index 43e081ec22cc..185f81a2aab3 100644
--- a/Documentation/ABI/testing/sysfs-driver-qat
+++ b/Documentation/ABI/testing/sysfs-driver-qat
@@ -2,18 +2,14 @@ What: /sys/bus/pci/devices/<BDF>/qat/state
Date: June 2022
KernelVersion: 5.20
-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
-Description: Reports the current configuration of the QAT device and allows
- to change it.
-
- 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
-
- Allowed values:
- sym;asym: configure the device for running
- crypto services
- dc: configure the device for running
- compression services
+Description: (RW) Reports the current configuration of the QAT device.
+ Write to the file to change the configured services.
+
+ The values are:
+
+ * 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)