[PATCH v3 16/18] dmaengine: idxd: add ABI documentation for mediated device support

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From: Jing Lin <jing.lin@xxxxxxxxx>

Add the sysfs attribute bits in ABI/stable for mediated device and guest
support.

Signed-off-by: Jing Lin <jing.lin@xxxxxxxxx>
Signed-off-by: Dave Jiang <dave.jiang@xxxxxxxxx>
---
 Documentation/ABI/stable/sysfs-driver-dma-idxd |   11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/Documentation/ABI/stable/sysfs-driver-dma-idxd b/Documentation/ABI/stable/sysfs-driver-dma-idxd
index b44183880935..6bb925b55027 100644
--- a/Documentation/ABI/stable/sysfs-driver-dma-idxd
+++ b/Documentation/ABI/stable/sysfs-driver-dma-idxd
@@ -77,6 +77,12 @@ Contact:        dmaengine@xxxxxxxxxxxxxxx
 Description:    The operation capability bit mask specify the operation types
 		supported by the this device.
 
+What:           /sys/bus/dsa/devices/dsa<m>/ims_size
+Date:           Sep 8, 2020
+KernelVersion:  5.10.0
+Contact:        dmaengine@xxxxxxxxxxxxxxx
+Description:	Number of entries in the interrupt message storage table.
+
 What:           /sys/bus/dsa/devices/dsa<m>/state
 Date:           Oct 25, 2019
 KernelVersion:  5.6.0
@@ -139,8 +145,9 @@ Date:           Oct 25, 2019
 KernelVersion:  5.6.0
 Contact:        dmaengine@xxxxxxxxxxxxxxx
 Description:    The type of this work queue, it can be "kernel" type for work
-		queue usages in the kernel space or "user" type for work queue
-		usages by applications in user space.
+		queue usages in the kernel space, "user" type for work queue
+		usages by applications in user space, or "mdev" type for
+		VFIO mediated devices.
 
 What:           /sys/bus/dsa/devices/wq<m>.<n>/cdev_minor
 Date:           Oct 25, 2019




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