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authorCiunas Bennett <ciunas.bennett@intel.com>2023-10-20 15:49:31 +0200
committerHerbert Xu <herbert@gondor.apana.org.au>2023-10-27 12:04:28 +0200
commit71fed09b49c168435fc28d57870007495475d946 (patch)
tree906bfe7fecba7b9cf1d7474e8ed2ba480560547c /Documentation/ABI
parentcrypto: qat - add rp2svc sysfs attribute (diff)
downloadlinux-71fed09b49c168435fc28d57870007495475d946.tar.xz
linux-71fed09b49c168435fc28d57870007495475d946.zip
crypto: qat - add num_rps sysfs attribute
Add the attribute `num_rps` to the `qat` attribute group. This returns the number of ring pairs that a single device has. This allows to know the maximum value that can be set to the attribute `rp2svc`. Signed-off-by: Ciunas Bennett <ciunas.bennett@intel.com> Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com> Reviewed-by: Damian Muszynski <damian.muszynski@intel.com> Reviewed-by: Tero Kristo <tero.kristo@linux.intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'Documentation/ABI')
-rw-r--r--Documentation/ABI/testing/sysfs-driver-qat14
1 files changed, 14 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-driver-qat b/Documentation/ABI/testing/sysfs-driver-qat
index f24a5ddca94b..bbf329cf0d67 100644
--- a/Documentation/ABI/testing/sysfs-driver-qat
+++ b/Documentation/ABI/testing/sysfs-driver-qat
@@ -127,3 +127,17 @@ Description:
sym
This attribute is only available for qat_4xxx devices.
+
+What: /sys/bus/pci/devices/<BDF>/qat/num_rps
+Date: January 2024
+KernelVersion: 6.7
+Contact: qat-linux@intel.com
+Description:
+ (RO) Returns the number of ring pairs that a single device has.
+
+ Example usage::
+
+ # cat /sys/bus/pci/devices/<BDF>/qat/num_rps
+ 64
+
+ This attribute is only available for qat_4xxx devices.