Add a libblkio engine

[fio.git] / fio.1

diff --git a/fio.1 b/fio.1
index 62af0bd2e63dde718aa08cc97b4ce5359ec0a5fc..3615f25815a85a393fe5ce1853b5850dad864487 100644 (file)
--- a/fio.1
+++ b/fio.1
@@ -1992,6 +1992,10 @@ I/O engine using the xNVMe C API, for NVMe devices. The xnvme engine provides
 flexibility to access GNU/Linux Kernel NVMe driver via libaio, IOCTLs, io_uring,
 the SPDK NVMe driver, or your own custom NVMe driver. The xnvme engine includes
 engine specific options. (See \fIhttps://xnvme.io/\fR).
+.TP
+.B libblkio
+Use the libblkio library (\fIhttps://gitlab.com/libblkio/libblkio\fR). The
+specific driver to use must be set using \fBlibblkio_driver\fR.
 .SS "I/O engine specific parameters"
 In addition, there are some parameters which are only valid when a specific
 \fBioengine\fR is in use. These are used identically to normal parameters,
@@ -2604,6 +2608,27 @@ xnvme namespace identifier for userspace NVMe driver such as SPDK.
 .TP
 .BI (xnvme)xnvme_iovec
 If this option is set, xnvme will use vectored read/write commands.
+.TP
+.BI (libblkio)libblkio_driver \fR=\fPstr
+The libblkio driver to use. Different drivers access devices through different
+underlying interfaces. Available drivers depend on the libblkio version in use
+and are listed at \fIhttps://libblkio.gitlab.io/libblkio/blkio.html#drivers\fR
+.TP
+.BI (libblkio)libblkio_pre_connect_props \fR=\fPstr
+A colon-separated list of libblkio properties to be set after creating but
+before connecting the libblkio instance. Each property must have the format
+\fB<name>=<value>\fR. Colons can be escaped as \fB\\:\fR. These are set after
+the engine sets any other properties, so those can be overriden. Available
+properties depend on the libblkio version in use and are listed at
+\fIhttps://libblkio.gitlab.io/libblkio/blkio.html#properties\fR
+.TP
+.BI (libblkio)libblkio_pre_start_props \fR=\fPstr
+A colon-separated list of libblkio properties to be set after connecting but
+before starting the libblkio instance. Each property must have the format
+\fB<name>=<value>\fR. Colons can be escaped as \fB\\:\fR. These are set after
+the engine sets any other properties, so those can be overriden. Available
+properties depend on the libblkio version in use and are listed at
+\fIhttps://libblkio.gitlab.io/libblkio/blkio.html#properties\fR
 .SS "I/O depth"
 .TP
 .BI iodepth \fR=\fPint