---
name: "nvme_rate_limiting_controller_descriptor-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_rate_limiting_controller_descriptor-libnvme3"
---

# nvme\_rate\_limiting\_controller\_descriptor-libnvme3(2)

Rate Limiting Controller Descriptor (QCD)

## NAME

struct nvme\_rate\_limiting\_controller\_descriptor - Rate Limiting Controller Descriptor (QCD)

## SYNOPSIS

struct nvme\_rate\_limiting\_controller\_descriptor {\
     **\_\_le16 cntlid;**\
     **\_\_le16 nnsmad;**\
     **\_\_u8 rsvd4\[4\];**\
     **struct nvme\_rate\_limiting\_max\_access\_descriptor rlma;**\
     **\_\_u8 rsvd40\[24\];**\
     **\_\_u8 vs\[256\];**\
     **\_\_le32 nvsma\_offset\[\];**\
 };\

## Members

- cntlid

  Controller Identifier

- nnsmad

  Number of Non-Volatile Storage Medium Access Descriptors in *nvsma\_offset*, non-zero

- rsvd4

  Reserved

- rlma

  Rate Limiting Maximum Access of the controller to the NVM subsystem port

- rsvd40

  Reserved

- vs

  Vendor Specific

- nvsma\_offset

  Dword offsets, relative to the start of the Rate Limiting log page, to the Non-Volatile Storage Medium Access Descriptors, *nnsmad* entries