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[PATCH 1/3] hw/block/nvme: document 'mdts' nvme device parameter
From: |
Klaus Jensen |
Subject: |
[PATCH 1/3] hw/block/nvme: document 'mdts' nvme device parameter |
Date: |
Mon, 22 Feb 2021 21:29:19 +0100 |
From: Klaus Jensen <k.jensen@samsung.com>
Document the 'mdts' nvme device parameter.
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
---
hw/block/nvme.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/hw/block/nvme.c b/hw/block/nvme.c
index 1cd82fa3c9fe..6a27b28f2c2d 100644
--- a/hw/block/nvme.c
+++ b/hw/block/nvme.c
@@ -63,6 +63,12 @@
* 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
--
2.30.1