From 3945f3269b3e2763faa1ab22d225ca4dd1856b82 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 14 Jul 2022 20:53:09 +0200 Subject: Adding upstream version 1.0. Signed-off-by: Daniel Baumann --- doc/man/nvme_id_psd.2 | 95 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 95 insertions(+) create mode 100644 doc/man/nvme_id_psd.2 (limited to 'doc/man/nvme_id_psd.2') diff --git a/doc/man/nvme_id_psd.2 b/doc/man/nvme_id_psd.2 new file mode 100644 index 0000000..435d380 --- /dev/null +++ b/doc/man/nvme_id_psd.2 @@ -0,0 +1,95 @@ +.TH "libnvme" 9 "struct nvme_id_psd" "April 2022" "API Manual" LINUX +.SH NAME +struct nvme_id_psd \- +.SH SYNOPSIS +struct nvme_id_psd { +.br +.BI " __le16 mp;" +.br +.BI " __u8 rsvd2;" +.br +.BI " __u8 flags;" +.br +.BI " __le32 enlat;" +.br +.BI " __le32 exlat;" +.br +.BI " __u8 rrt;" +.br +.BI " __u8 rrl;" +.br +.BI " __u8 rwt;" +.br +.BI " __u8 rwl;" +.br +.BI " __le16 idlp;" +.br +.BI " __u8 ips;" +.br +.BI " __u8 rsvd19;" +.br +.BI " __le16 actp;" +.br +.BI " __u8 apws;" +.br +.BI " __u8 rsvd23[9];" +.br +.BI " +}; +.br + +.SH Members +.IP "mp" 12 +Maximum Power indicates the sustained maximum power consumed by the +NVM subsystem in this power state. The power in Watts is equal to +the value in this field multiplied by the scale specified in the Max +Power Scale bit (see \fIenum nvme_psd_flags\fP). A value of 0 indicates +Maximum Power is not reported. +.IP "rsvd2" 12 +Reserved +.IP "flags" 12 +Additional decoding flags, see \fIenum nvme_psd_flags\fP. +.IP "enlat" 12 +Entry Latency indicates the maximum latency in microseconds +associated with entering this power state. A value of 0 indicates +Entry Latency is not reported. +.IP "exlat" 12 +Exit Latency indicates the maximum latency in microseconds +associated with exiting this power state. A value of 0 indicates +Exit Latency is not reported. +.IP "rrt" 12 +Relative Read Throughput indicates the read throughput rank +associated with this power state relative to others. The value in +this is less than the number of supported power states. +.IP "rrl" 12 +Relative Reade Latency indicates the read latency rank associated +with this power state relative to others. The value in this field is +less than the number of supported power states. +.IP "rwt" 12 +Relative Write Throughput indicates write throughput rank associated +with this power state relative to others. The value in this field is +less than the number of supported power states +.IP "rwl" 12 +Relative Write Latency indicates the write latency rank associated +with this power state relative to others. The value in this field is +less than the number of supported power states +.IP "idlp" 12 +Idle Power indicates the typical power consumed by the NVM +subsystem over 30 seconds in this power state when idle. +.IP "ips" 12 +Idle Power Scale indicates the scale for \fIstruct nvme_id_psd\fP.idlp, +see \fIenum nvme_psd_ps\fP for decoding this field. +.IP "rsvd19" 12 +Reserved +.IP "actp" 12 +Active Power indicates the largest average power consumed by the +NVM subsystem over a 10 second period in this power state with +the workload indicated in the Active Power Workload field. +.IP "apws" 12 +Bits 7-6: Active Power Scale(APS) indicates the scale for the \fIstruct +nvme_id_psd\fP.actp, see \fIenum nvme_psd_ps\fP for decoding this value. +Bits 2-0: Active Power Workload(APW) indicates the workload +used to calculate maximum power for this power state. +See \fIenum nvme_psd_workload\fP for decoding this field. +.IP "rsvd23" 12 +Reserved -- cgit v1.2.3