Following comments in r242565 add the possibility to specify ecx when

performing cpuid calls.
Add also a new way to specify the level type to cpucontrol(8) as
reported in the manpage.

Sponsored by:	EMC / Isilon storage division
Reviewed by:	bdrewery, gcooper
Testerd by:	bdrewery

1 files changed, 10 insertions, 2 deletions

diff --git a/share/man/man4/cpuctl.4 b/share/man/man4/cpuctl.4
index ed80f8a..3aff1e3 100644
--- a/share/man/man4/cpuctl.4
+++ b/share/man/man4/cpuctl.4
@@ -86,19 +86,27 @@ Set/clear MSR bits according to the mask given in the
 .Va data
 field.
 .It Dv CPUCTL_CPUID Fa cpuctl_cpuid_args_t *args
+.It Dv CPUCTL_CPUID_COUNT Fa cpuctl_cpuid_args_t *args
 Retrieve CPUID information.
 Arguments are supplied in
 the following struct:
 .Bd -literal
 typedef struct {
-	int		level;	/* CPUID level */
+	int		level;		/* CPUID level */
+	int		level_type;	/* CPUID level type */
 	uint32_t	data[4];
 } cpuctl_cpuid_args_t;
 .Ed
 .Pp
 The
 .Va level
-field indicates the CPUID level to retrieve information for, while the
+field indicates the CPUID level to retrieve.
+The
+.Va level_type
+field indicates the CPUID level type to retrieve.
+It is overriden to 0 for
+.Va CPUCTL_CPUID .
+Finally, the
 .Va data
 field is used to store the received CPUID data.
 .It Dv CPUCTL_UPDATE cpuctl_update_args_t *args