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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>
This commit is contained in:
Klaus Jensen 2021-02-22 20:13:22 +01:00
parent c94973288c
commit 5b8bb923cc
1 changed files with 6 additions and 0 deletions
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hw/block/nvme.c
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@ -72,6 +72,12 @@
* completion when there are no outstanding AERs. When the maximum number of * completion when there are no outstanding AERs. When the maximum number of
* enqueued events are reached, subsequent events will be dropped. * 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` * - `zoned.append_size_limit`
* The maximum I/O size in bytes that is allowed in Zone Append command. * 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 * The default is 128KiB. Since internally this this value is maintained as