.BI (io_uring_cmd,xnvme)fdp \fR=\fPbool
Enable Flexible Data Placement mode for write commands.
.TP
-.BI (io_uring_cmd,xnvme)fdp_pli_select \fR=\fPstr
+.BI (io_uring_cmd,xnvme)dataplacement \fR=\fPstr
+Specifies the data placement directive type to use for write commands. The
+following types are supported:
+.RS
+.RS
+.TP
+.B none
+Do not use a data placement directive. This is the default.
+.TP
+.B fdp
+Use Flexible Data placement directives for write commands. This is equivalent
+to specifying \fBfdp\fR=1.
+.TP
+.B streams
+Use Streams directives for write commands.
+.TP
+.RE
+.RE
+.TP
+.BI (io_uring_cmd,xnvme)plid_select=str, fdp_pli_select \fR=\fPstr
Defines how fio decides which placement ID to use next. The following types
are defined:
.RS
.TP
.B roundrobin
Round robin over available placement IDs. This is the default.
+.TP
+.B scheme
+Choose a placement ID (index) based on the scheme file defined by
+the option \fBdp_scheme\fP.
.RE
.P
-The available placement ID index/indices is defined by \fBfdp_pli\fR option.
+The available placement ID (indices) are defined by \fBplids\fR or
+\fBfdp_pli\fR option except for the case of \fBscheme\fP.
.RE
.TP
-.BI (io_uring_cmd,xnvme)fdp_pli \fR=\fPstr
-Select which Placement ID Index/Indicies this job is allowed to use for writes.
-By default, the job will cycle through all available Placement IDs, so use this
-to isolate these identifiers to specific jobs. If you want fio to use placement
-identifier only at indices 0, 2 and 5 specify, you would set `fdp_pli=0,2,5`.
+.BI (io_uring_cmd,xnvme)plids=str, fdp_pli \fR=\fPstr
+Select which Placement IDs (streams) or Placement ID Indicies (FDP) this job is
+allowed to use for writes. For FDP by default, the job will cycle through all
+available Placement IDs, so use this to isolate these identifiers to specific
+jobs. If you want fio to use placement identifier only at indices 0, 2 and 5
+specify, you would set `plids=0,2,5`. For streams this should be a
+comma-separated list of Stream IDs.
+.TP
+.BI (io_uring_cmd,xnvme)\fR\fBdp_scheme\fP=str
+Defines which placement ID (index) to be selected based on offset(LBA) range.
+The file should contains one or more scheme entries in the following format:
+.sp
+.RS
+.RS
+0, 10737418240, 0
+.br
+10737418240, 21474836480, 1
+.br
+21474836480, 32212254720, 2
+.br
+\&...
+.RE
+.sp
+Each line, a scheme entry, contains start offset, end offset, and placement ID
+(index) separated by comma(,). If the write offset is within the range of a certain
+scheme entry(start offset ≤ offset < end offset), the corresponding placement ID
+(index) will be selected. If the write offset belongs to multiple scheme entries,
+the first matched scheme entry will be applied. If the offset is not within any range
+of scheme entry, dspec field will be set to 0, default RUH. (Caution: In case of
+multiple devices in a job, all devices of the job will be affected by the scheme. If
+this option is specified, the option \fBplids\fP or \fBfdp_pli\fP will be ignored.)
+.RE
.TP
.BI (io_uring_cmd,xnvme)md_per_io_size \fR=\fPint
Size in bytes for separate metadata buffer per IO. Default: 0.
and mq_poll). The MegaRAID driver is an example of a SCSI LLD.
Default: clear (0) which does normal (interrupted based) IO.
.TP
-.BI (sg)readfua \fR=\fPbool
+.BI (sg, io_uring_cmd)readfua \fR=\fPbool
With readfua option set to 1, read operations include the force
unit access (fua) flag. Default: 0.
.TP
-.BI (sg)writefua \fR=\fPbool
+.BI (sg, io_uring_cmd)writefua \fR=\fPbool
With writefua option set to 1, write operations include the force
unit access (fua) flag. Default: 0.
.TP