diff options
| author |   Keith Busch <kbusch@kernel.org> | 2024-11-15 13:41:21 -0800 |
|---|---|---|
| committer | Keith Busch <kbusch@kernel.org> | 2024-11-18 09:17:25 -0800 |
| commit | 979c6342f9c0a48696a6420f14f9dd409591657f (patch) | |
| tree | fdf765cb78afd1d6ff5d713b4cd2a6123f231b51 /include/linux | |
| parent | nvme/multipath: Fix RCU list traversal to use SRCU primitive (diff) | |
| download | wireguard-linux-979c6342f9c0a48696a6420f14f9dd409591657f.tar.xz wireguard-linux-979c6342f9c0a48696a6420f14f9dd409591657f.zip | |
nvme-pci: add support for sgl metadata
Supporting this mode allows creating and merging multi-segment metadata
requests that wouldn't be possible otherwise. It also allows directly
using user space requests that straddle physically discontiguous pages.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/nvme.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/nvme.h b/include/linux/nvme.h index 0a6e22038ce3..5873ce859cc8 100644 --- a/include/linux/nvme.h +++ b/include/linux/nvme.h @@ -389,6 +389,7 @@ enum { NVME_CTRL_CTRATT_PREDICTABLE_LAT = 1 << 5, NVME_CTRL_CTRATT_NAMESPACE_GRANULARITY = 1 << 7, NVME_CTRL_CTRATT_UUID_LIST = 1 << 9, + NVME_CTRL_SGLS_MSDS = 1 << 19, }; struct nvme_lbaf { |