X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;f=setpci.man;h=9e4e1d8a6c44c2963b33449cd1c8ee4dddb191ea;hb=c0ccce1b4cd5b42b17f2e8f7bae4031c311677ff;hp=d71628a57903f49f4ac87a89eb25647798d2de6b;hpb=d6d6a58d735141917b3b0471b9a2cb275583f16d;p=pciutils.git

diff --git a/setpci.man b/setpci.man
index d71628a..9e4e1d8 100644
--- a/setpci.man
+++ b/setpci.man
@@ -45,6 +45,13 @@ to verify that your complex sequence of
 .B setpci
 operations does what you think it should do.
 .TP
+.B -r
+Avoids bus scan if each operation selects a specific device (uses the
+.B -s
+selector with specific domain, bus, slot, and function). This is faster,
+but if the device does not exist, it fails instead of matching an empty
+set of devices.
+.TP
 .B --version
 Show
 .I setpci
@@ -71,7 +78,7 @@ available methods and their descriptions.
 .TP
 .B -O <param>=<value>
 The behavior of the library is controlled by several named parameters.
-This option allows to set the value of any of the parameters. Use \fB-O help\fP
+This option allows one to set the value of any of the parameters. Use \fB-O help\fP
 for a list of known parameters and their default values.
 .TP
 .B -H1
@@ -99,9 +106,10 @@ hexadecimal.  E.g., "0:" means all devices on bus 0, "0" means all functions of
 on any bus, "0.3" selects third function of device 0 on all buses and ".4" matches only
 the fourth function of each device.
 .TP
-.B -d [<vendor>]:[<device>]
-Select devices with specified vendor and device ID. Both ID's are given in
-hexadecimal and may be omitted or given as "*", both meaning "any value".
+.B -d [<vendor>]:[<device>][:<class>[:<prog-if>]]
+Select devices with specified vendor, device, class ID, and programming interface.
+The ID's are given in hexadecimal and may be omitted or given as "*", both meaning
+"any value". The class ID can contain "x" characters which stand for "any digit".
 .PP
 When
 .B -s
@@ -148,9 +156,12 @@ Each of the previous formats can be followed by \fB+offset\fP to add an offset
 (a hex number) to the address. This feature can be useful for addressing of registers
 living within a capability, or to modify parts of standard registers.
 .IP \(bu
-Finally, you should append a width specifier \fB.B\fP, \fB.W\fP, or \fB.L\fP to choose
-how many bytes (1, 2, or 4) should be transferred. The width can be omitted if you are
+To choose how many bytes (1, 2, or 4) should be transferred, you should append a width
+specifier \fB.B\fP, \fB.W\fP, or \fB.L\fP. The width can be omitted if you are
 referring to a register by its name and the width of the register is well known.
+.IP \(bu
+Finally, if a capability exists multiple times you can choose which one to target using
+\fB@number\fP. Indexing starts at 0.
 
 .PP
 All names of registers and width specifiers are case-insensitive.