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    Subject[PATCH RFC 15/15] dmaengine: idxd: add ABI documentation for mediated device support
    From
    Date
    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(-)

    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
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