Add some FEATURE macros for various GEOM classes.

No FreeBSD version bump, the userland application to query the features will
be committed last and can serve as an indication of the availablility if
needed.

Sponsored by:	Google Summer of Code 2010
Submitted by:	kibab
Reviewed by:	silence on geom@ during 2 weeks
X-MFC after:	to be determined in last commit with code from this project

7 files changed, 26 insertions, 0 deletions

diff --git a/sys/geom/part/g_part_apm.c b/sys/geom/part/g_part_apm.c
index c73d7f6..1a1a3bd 100644
--- a/sys/geom/part/g_part_apm.c
+++ b/sys/geom/part/g_part_apm.c
@@ -41,11 +41,14 @@ __FBSDID("$FreeBSD$");
 #include <sys/queue.h>
 #include <sys/sbuf.h>
 #include <sys/systm.h>
+#include <sys/sysctl.h>
 #include <geom/geom.h>
 #include <geom/part/g_part.h>
 
 #include "g_part_if.h"
 
+FEATURE(geom_part_apm, "GEOM partitioning class for Apple-style partitions");
+
 struct g_part_apm_table {
 	struct g_part_table	base;
 	struct apm_ddr		ddr;
diff --git a/sys/geom/part/g_part_bsd.c b/sys/geom/part/g_part_bsd.c
index e51a22f..61fe89a 100644
--- a/sys/geom/part/g_part_bsd.c
+++ b/sys/geom/part/g_part_bsd.c
@@ -40,11 +40,14 @@ __FBSDID("$FreeBSD$");
 #include <sys/queue.h>
 #include <sys/sbuf.h>
 #include <sys/systm.h>
+#include <sys/sysctl.h>
 #include <geom/geom.h>
 #include <geom/part/g_part.h>
 
 #include "g_part_if.h"
 
+FEATURE(geom_part_bsd, "GEOM partitioning class for BSD disklabels");
+
 struct g_part_bsd_table {
 	struct g_part_table	base;
 	u_char			*bbarea;
diff --git a/sys/geom/part/g_part_ebr.c b/sys/geom/part/g_part_ebr.c
index 7bf0c55..5f665ca 100644
--- a/sys/geom/part/g_part_ebr.c
+++ b/sys/geom/part/g_part_ebr.c
@@ -42,11 +42,19 @@ __FBSDID("$FreeBSD$");
 #include <sys/queue.h>
 #include <sys/sbuf.h>
 #include <sys/systm.h>
+#include <sys/sysctl.h>
 #include <geom/geom.h>
 #include <geom/part/g_part.h>
 
 #include "g_part_if.h"
 
+FEATURE(geom_part_ebr,
+    "GEOM partitioning class for extended boot records support");
+#if defined(GEOM_PART_EBR_COMPAT)
+FEATURE(geom_part_ebr_compat,
+    "GEOM EBR partitioning class: backward-compatible partition names");
+#endif
+
 #define	EBRSIZE		512
 
 struct g_part_ebr_table {
diff --git a/sys/geom/part/g_part_gpt.c b/sys/geom/part/g_part_gpt.c
index d0896b8..9e897a4 100644
--- a/sys/geom/part/g_part_gpt.c
+++ b/sys/geom/part/g_part_gpt.c
@@ -41,12 +41,15 @@ __FBSDID("$FreeBSD$");
 #include <sys/queue.h>
 #include <sys/sbuf.h>
 #include <sys/systm.h>
+#include <sys/sysctl.h>
 #include <sys/uuid.h>
 #include <geom/geom.h>
 #include <geom/part/g_part.h>
 
 #include "g_part_if.h"
 
+FEATURE(geom_part_gpt, "GEOM partitioning class for GPT partitions support");
+
 CTASSERT(offsetof(struct gpt_hdr, padding) == 92);
 CTASSERT(sizeof(struct gpt_ent) == 128);
 
diff --git a/sys/geom/part/g_part_mbr.c b/sys/geom/part/g_part_mbr.c
index c39c92f..63b7e64 100644
--- a/sys/geom/part/g_part_mbr.c
+++ b/sys/geom/part/g_part_mbr.c
@@ -40,11 +40,14 @@ __FBSDID("$FreeBSD$");
 #include <sys/queue.h>
 #include <sys/sbuf.h>
 #include <sys/systm.h>
+#include <sys/sysctl.h>
 #include <geom/geom.h>
 #include <geom/part/g_part.h>
 
 #include "g_part_if.h"
 
+FEATURE(geom_part_mbr, "GEOM partitioning class for MBR support");
+
 #define	MBRSIZE		512
 
 struct g_part_mbr_table {
diff --git a/sys/geom/part/g_part_pc98.c b/sys/geom/part/g_part_pc98.c
index e7b3341..d8aa87d 100644
--- a/sys/geom/part/g_part_pc98.c
+++ b/sys/geom/part/g_part_pc98.c
@@ -40,11 +40,14 @@ __FBSDID("$FreeBSD$");
 #include <sys/queue.h>
 #include <sys/sbuf.h>
 #include <sys/systm.h>
+#include <sys/sysctl.h>
 #include <geom/geom.h>
 #include <geom/part/g_part.h>
 
 #include "g_part_if.h"
 
+FEATURE(geom_part_pc98, "GEOM partitioning class for PC-9800 disk partitions");
+
 #define	SECSIZE		512
 #define	MENUSIZE	7168
 #define	BOOTSIZE	8192
diff --git a/sys/geom/part/g_part_vtoc8.c b/sys/geom/part/g_part_vtoc8.c
index d22c5b1..e59c8e4 100644
--- a/sys/geom/part/g_part_vtoc8.c
+++ b/sys/geom/part/g_part_vtoc8.c
@@ -39,12 +39,15 @@ __FBSDID("$FreeBSD$");
 #include <sys/queue.h>
 #include <sys/sbuf.h>
 #include <sys/systm.h>
+#include <sys/sysctl.h>
 #include <sys/vtoc.h>
 #include <geom/geom.h>
 #include <geom/part/g_part.h>
 
 #include "g_part_if.h"
 
+FEATURE(geom_part_vtoc8, "GEOM partitioning class for SMI VTOC8 disk labels");
+
 struct g_part_vtoc8_table {
 	struct g_part_table	base;
 	struct vtoc8		vtoc;