hw/block/nvme: document 'mdts' nvme device parameter

Document the 'mdts' nvme device parameter.

Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
Reviewed-by: Keith Busch <kbusch@kernel.org>

diff --git a/hw/block/nvme.c b/hw/block/nvme.c
index db1a3aa..6921b19 100644 (file)
--- a/hw/block/nvme.c
+++ b/hw/block/nvme.c
@@ -72,6 +72,12 @@
  *   completion when there are no outstanding AERs. When the maximum number of
  *   enqueued events are reached, subsequent events will be dropped.
  *
+ * - `mdts`
+ *   Indicates the maximum data transfer size for a command that transfers data
+ *   between host-accessible memory and the controller. The value is specified
+ *   as a power of two (2^n) and is in units of the minimum memory page size
+ *   (CAP.MPSMIN). The default value is 7 (i.e. 512 KiB).
+ *
  * - `zoned.append_size_limit`
  *   The maximum I/O size in bytes that is allowed in Zone Append command.
  *   The default is 128KiB. Since internally this this value is maintained as