diff mbox series

[RFC,15/15] dmaengine: idxd: add ABI documentation for mediated device support

Message ID 158751212189.36773.8197911986164174637.stgit@djiang5-desk3.ch.intel.com
State New
Headers show
Series Add VFIO mediated device support and IMS support for the idxd driver. | expand

Commit Message

Dave Jiang April 21, 2020, 11:35 p.m. UTC 
From: Jing Lin <jing.lin@intel.com>

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

Signed-off-by: Jing Lin <jing.lin@intel.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
---
 Documentation/ABI/stable/sysfs-driver-dma-idxd |   18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)
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Patch

diff --git a/Documentation/ABI/stable/sysfs-driver-dma-idxd b/Documentation/ABI/stable/sysfs-driver-dma-idxd
index c1adddde23c2..b04cbc5a1827 100644
--- a/Documentation/ABI/stable/sysfs-driver-dma-idxd
+++ b/Documentation/ABI/stable/sysfs-driver-dma-idxd
@@ -76,6 +76,12 @@  Date:		Jan 30, 2020
 KernelVersion:	5.7.0
 Contact:	dmaengine@vger.kernel.org
 Description:	To indicate if PASID (process address space identifier) is
+
+What:           sys/bus/dsa/devices/dsa<m>/ims_size
+Date:           Apr 13, 2020
+KernelVersion:  5.8.0
+Contact:        dmaengine@vger.kernel.org
+Description:	Number of entries in the interrupt message storage table.
 		enabled or not for this device.
 
 What:           sys/bus/dsa/devices/dsa<m>/state
@@ -141,8 +147,16 @@  Date:           Oct 25, 2019
 KernelVersion:  5.6.0
 Contact:        dmaengine@vger.kernel.org
 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>/uuid
+Date:           Apr 13, 2020
+KernelVersion:  5.8.0
+Contact:        dmaengine@vger.kernel.org
+Description:    The uuid attached to this work queue when the mediated device is
+		created.
 
 What:           sys/bus/dsa/devices/wq<m>.<n>/cdev_minor
 Date:           Oct 25, 2019