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[RFC,v2,18/18] dmaengine: idxd: add ABI documentation for mediated device support

Message ID 159534745419.28840.5543479944375440474.stgit@djiang5-desk3.ch.intel.com (mailing list archive)
State New, archived
Headers show
Series Add VFIO mediated device support and DEV-MSI support for the idxd driver | expand

Commit Message

Dave Jiang July 21, 2020, 4:04 p.m. UTC 
From: Jing Lin <jing.lin@intel.com>

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

Signed-off-by: Jing Lin <jing.lin@intel.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
---
 Documentation/ABI/stable/sysfs-driver-dma-idxd |   15 +++++++++++----
 1 file changed, 11 insertions(+), 4 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 a336d2b2009a..edbcf8a8796c 100644
--- a/Documentation/ABI/stable/sysfs-driver-dma-idxd
+++ b/Documentation/ABI/stable/sysfs-driver-dma-idxd
@@ -1,6 +1,6 @@ 
 What:		/sys/bus/dsa/devices/dsa<m>/version
-Date:		Apr 15, 2020
-KernelVersion:	5.8.0
+Date:		Jul 5, 2020
+KernelVersion:	5.9.0
 Contact:	dmaengine@vger.kernel.org
 Description:	The hardware version number.
 
@@ -84,6 +84,12 @@  Contact:	dmaengine@vger.kernel.org
 Description:	To indicate if PASID (process address space identifier) is
 		enabled or not for this device.
 
+What:           /sys/bus/dsa/devices/dsa<m>/ims_size
+Date:           Jul 5, 2020
+KernelVersion:  5.9.0
+Contact:        dmaengine@vger.kernel.org
+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
@@ -147,8 +153,9 @@  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>/cdev_minor
 Date:           Oct 25, 2019