X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Flinux%2Fvs_base.h;h=c49e62c01cc02cabec0a353b7636cf703e3b65bd;hb=e0ff8aa1acd079b70e796571917ae0449b7c465b;hp=ed23add3a930cf1bd475e1428375cfbc6c20e419;hpb=c7b5ebbddf7bcd3651947760f423e3783bbe6573;p=linux-2.6.git

diff --git a/include/linux/vs_base.h b/include/linux/vs_base.h
index ed23add3a..c49e62c01 100644
--- a/include/linux/vs_base.h
+++ b/include/linux/vs_base.h
@@ -8,6 +8,9 @@
 
 #define vx_current_xid() vx_task_xid(current)
 
+#define current_vx_info() (current->vx_info)
+
+
 #define vx_check(c,m)	__vx_check(vx_current_xid(),c,m)
 
 #define vx_weak_check(c,m)	((m) ? vx_check(c,m) : 1)
@@ -15,9 +18,9 @@
 
 /*
  * check current context for ADMIN/WATCH and
- * optionally agains supplied argument
+ * optionally against supplied argument
  */
-static __inline__ int __vx_check(xid_t cid, xid_t id, unsigned int mode)
+static inline int __vx_check(xid_t cid, xid_t id, unsigned int mode)
 {
 	if (mode & VX_ARG_MASK) {
 		if ((mode & VX_IDENT) &&
@@ -34,7 +37,8 @@ static __inline__ int __vx_check(xid_t cid, xid_t id, unsigned int mode)
 			return 1;
 	}
 	return (((mode & VX_ADMIN) && (cid == 0)) ||
-		((mode & VX_WATCH) && (cid == 1)));
+		((mode & VX_WATCH) && (cid == 1)) ||
+		((mode & VX_HOSTID) && (id == 0)));
 }
 
 
@@ -51,6 +55,8 @@ static __inline__ int __vx_check(xid_t cid, xid_t id, unsigned int mode)
 
 #define vx_mask_mask(v,f,m)	(((v) & ~(m)) | ((v) & (f) & (m)))
 
+#define vx_check_bit(v,n)	((v) & (1LL << (n)))
+
 
 /* context flags */
 
@@ -78,6 +84,13 @@ static __inline__ int __vx_check(xid_t cid, xid_t id, unsigned int mode)
 #define vx_ccaps(c)	vx_info_ccaps(current->vx_info,(c))
 
 
+#define __vx_mcaps(v)	((v) ? (v)->vx_ccaps >> 32UL : ~0 )
+
+#define vx_info_mcaps(v,c)	(__vx_mcaps(v) & (c))
+
+#define vx_mcaps(c)	vx_info_mcaps(current->vx_info,(c))
+
+
 #define vx_current_bcaps() \
 	(((current->vx_info) && !vx_flags(VXF_STATE_SETUP, 0)) ? \
 	current->vx_info->vx_bcaps : cap_bset)
@@ -87,5 +100,10 @@ static __inline__ int __vx_check(xid_t cid, xid_t id, unsigned int mode)
 	(current->vx_info && \
 	(current->vx_info->vx_initpid == (n)))
 
+#define vx_capable(b,c) (capable(b) || \
+	((current->euid == 0) && vx_ccaps(c)))
+
 
+#else
+#warning duplicate inclusion
 #endif