.TH "libnvme" 9 "struct nvme_rate_limiting_controller_descriptor" "October 2026" "API Manual" LINUX
.SH NAME
struct nvme_rate_limiting_controller_descriptor \- Rate Limiting Controller Descriptor (QCD)
.SH SYNOPSIS
struct nvme_rate_limiting_controller_descriptor {
.br
.BI "    __le16 cntlid;"
.br
.BI "    __le16 nnsmad;"
.br
.BI "    __u8 rsvd4[4];"
.br
.BI "    struct nvme_rate_limiting_max_access_descriptor rlma;"
.br
.BI "    __u8 rsvd40[24];"
.br
.BI "    __u8 vs[256];"
.br
.BI "    __le32 nvsma_offset[];"
.br
.BI "
};
.br

.SH Members
.IP "cntlid" 12
Controller Identifier
.IP "nnsmad" 12
Number of Non-Volatile Storage Medium Access Descriptors in
\fInvsma_offset\fP, non-zero
.IP "rsvd4" 12
Reserved
.IP "rlma" 12
Rate Limiting Maximum Access of the controller to the NVM
subsystem port
.IP "rsvd40" 12
Reserved
.IP "vs" 12
Vendor Specific
.IP "nvsma_offset" 12
Dword offsets, relative to the start of the Rate Limiting
log page, to the Non-Volatile Storage Medium Access
Descriptors, \fInnsmad\fP entries