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-rw-r--r--Documentation/powerpc/cxlflash.txt5
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/powerpc/cxlflash.txt b/Documentation/powerpc/cxlflash.txt
index 6d9a2ed32cad..66b4496d6619 100644
--- a/Documentation/powerpc/cxlflash.txt
+++ b/Documentation/powerpc/cxlflash.txt
@@ -239,6 +239,11 @@ DK_CXLFLASH_USER_VIRTUAL
resource handle that is provided is already referencing provisioned
storage. This is reflected by the last LBA being a non-zero value.
+ When a LUN is accessible from more than one port, this ioctl will
+ return with the DK_CXLFLASH_ALL_PORTS_ACTIVE return flag set. This
+ provides the user with a hint that I/O can be retried in the event
+ of an I/O error as the LUN can be reached over multiple paths.
+
DK_CXLFLASH_VLUN_RESIZE
-----------------------
This ioctl is responsible for resizing a previously created virtual