summaryrefslogtreecommitdiffstats
path: root/Documentation/ABI
diff options
context:
space:
mode:
authorPhilippe Bergheaud <felix@linux.vnet.ibm.com>2014-12-12 11:28:53 +0100
committerMichael Ellerman <mpe@ellerman.id.au>2015-01-22 17:31:51 +1100
commit49fd644c3b0014fb80c2b1db7d8c86a75c4c6b1f (patch)
treeee0422358921c2e3695c532a9653e1b1e9d9d936 /Documentation/ABI
parent9bcf28cdb28e6a793c4e59f0a42c66fe241993a8 (diff)
downloadop-kernel-dev-49fd644c3b0014fb80c2b1db7d8c86a75c4c6b1f.zip
op-kernel-dev-49fd644c3b0014fb80c2b1db7d8c86a75c4c6b1f.tar.gz
cxl: Update CXL ABI documentation
This fixes two typos and explains where shared attributes are stored. Signed-off-by: Philippe Bergheaud <felix@linux.vnet.ibm.com> Acked-by: Michael Neuling <mikey@neuling.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'Documentation/ABI')
-rw-r--r--Documentation/ABI/testing/sysfs-class-cxl11
1 files changed, 8 insertions, 3 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-cxl b/Documentation/ABI/testing/sysfs-class-cxl
index 554405e..2ab9752 100644
--- a/Documentation/ABI/testing/sysfs-class-cxl
+++ b/Documentation/ABI/testing/sysfs-class-cxl
@@ -1,3 +1,9 @@
+Note: Attributes that are shared between devices are stored in the directory
+pointed to by the symlink device/.
+Example: The real path of the attribute /sys/class/cxl/afu0.0s/irqs_max is
+/sys/class/cxl/afu0.0s/device/irqs_max, i.e. /sys/class/cxl/afu0.0/irqs_max.
+
+
Slave contexts (eg. /sys/class/cxl/afu0.0s):
What: /sys/class/cxl/<afu>/irqs_max
@@ -67,7 +73,7 @@ Contact: linuxppc-dev@lists.ozlabs.org
Description: read only
Decimal value of the current version of the kernel/user API.
-What: /sys/class/cxl/<afu>/api_version_com
+What: /sys/class/cxl/<afu>/api_version_compatible
Date: September 2014
Contact: linuxppc-dev@lists.ozlabs.org
Description: read only
@@ -75,7 +81,6 @@ Description: read only
this this kernel supports.
-
Master contexts (eg. /sys/class/cxl/afu0.0m)
What: /sys/class/cxl/<afu>m/mmio_size
@@ -106,7 +111,7 @@ Contact: linuxppc-dev@lists.ozlabs.org
Description: read only
Identifies the CAIA Version the card implements.
-What: /sys/class/cxl/<card>/psl_version
+What: /sys/class/cxl/<card>/psl_revision
Date: September 2014
Contact: linuxppc-dev@lists.ozlabs.org
Description: read only
OpenPOWER on IntegriCloud