---
name: "nvme_lm_track_send_fields-libnvme3"
section: "2"
platform: "linux"
package: "nvme-cli"
version: "3.2-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/nvme_lm_track_send_fields-libnvme3"
---

# nvme\_lm\_track\_send\_fields-libnvme3(2)

Track Send command fields

## NAME

enum nvme\_lm\_track\_send\_fields - Track Send command fields

## SYNOPSIS

enum nvme\_lm\_track\_send\_fields {\
     **NVME\_LM\_TRACK\_SEND\_MOS\_SHIFT** , \
\
     **NVME\_LM\_TRACK\_SEND\_MOS\_MASK** , \
\
     **NVME\_LM\_TRACK\_SEND\_SEL\_SHIFT** , \
\
     **NVME\_LM\_TRACK\_SEND\_SEL\_MASK** , \
\
     **NVME\_LM\_SEL\_LOG\_USER\_DATA\_CHANGES** , \
\
     **NVME\_LM\_SEL\_TRACK\_MEMORY\_CHANGES** , \
\
     **NVME\_LM\_LACT\_SHIFT** , \
\
     **NVME\_LM\_LACT\_MASK** , \
\
     **NVME\_LM\_LACT\_STOP\_LOGGING** , \
\
     **NVME\_LM\_LACT\_START\_LOGGING**

};

## Constants

- NVME\_LM\_TRACK\_SEND\_MOS\_SHIFT

  Shift to set Management Operation Specific (MOS) field

- NVME\_LM\_TRACK\_SEND\_MOS\_MASK

  Mask to set MOS field

- NVME\_LM\_TRACK\_SEND\_SEL\_SHIFT

  Shift to set Select (SEL) field

- NVME\_LM\_TRACK\_SEND\_SEL\_MASK

  Mask to set SEL field

- NVME\_LM\_SEL\_LOG\_USER\_DATA\_CHANGES

  Log User Data Changes select option

- NVME\_LM\_SEL\_TRACK\_MEMORY\_CHANGES

  Track Memory Changes select option

- NVME\_LM\_LACT\_SHIFT

  Shift to set Logging Action (LACT) relative to MOS

- NVME\_LM\_LACT\_MASK

  Mask to set LACT relative to MOS

- NVME\_LM\_LACT\_STOP\_LOGGING

  The controller shall stop logging user data changes to namespaces attached to the controller associated with the User Data Migration Queue specified in the CDQ ID.

- NVME\_LM\_LACT\_START\_LOGGING

  The controller shall start logging user data changes to namespaces attached to the controller associated with the User Data Migration Queue into that User Data Migration Queue where those user data changes are caused by the controller associated with that User Data Migration Queue processing commands.