.TH "libnvme" 9 "struct nvme_mi_vpd_usce" "October 2026" "API Manual" LINUX
.SH NAME
struct nvme_mi_vpd_usce \- Upstream Connector Element Descriptor
.SH SYNOPSIS
struct nvme_mi_vpd_usce {
.br
.BI "    __u8 typ;"
.br
.BI "    __u8 rev;"
.br
.BI "    __u8 len;"
.br
.BI "    __u8 ff;"
.br
.BI "    __u8 lptr;"
.br
.BI "    __u8 rsvd6[2];"
.br
.BI "    __u8 maxapwr;"
.br
.BI "    __le16 maxpwr;"
.br
.BI "    __u8 updc;"
.br
.BI "    __u8 upd[];"
.br
.BI "
};
.br

.SH Members
.IP "typ" 12
Type: set to NVME_MI_ELEM_USCE.
.IP "rev" 12
Revision: cleared to 0h.
.IP "len" 12
Length of this Upstream Connector Element Descriptor in
bytes.
.IP "ff" 12
Form Factor of the NVMe Storage Device, see \fIenum
nvme_mi_form_factor\fP.
.IP "lptr" 12
Label Pointer: index of the Label Element Descriptor
containing this Upstream Connector's label, if any. A value
of 0h indicates there is no associated label.
.IP "rsvd6" 12
Reserved
.IP "maxapwr" 12
Maximum Auxiliary Power in 10 mW increments consumed by the
NVMe Storage Device from this Upstream Connector. A value
of 0h indicates auxiliary power is not used.
.IP "maxpwr" 12
Maximum Power in Watts consumed by the NVMe Storage Device.
.IP "updc" 12
Upstream Port Descriptor Count: number of Upstream Port
Descriptors in \fIupd\fP.
.IP "upd" 12
Upstream Port Descriptor list. Each entry's size is
implementation specific; use \fIlen\fP and \fIupdc\fP to walk the
list.