#define _VX_DEBUG_H
+#define VXD_CBIT(n,m) (vx_debug_ ## n & (1 << (m)))
+#define VXD_CMIN(n,m) (vx_debug_ ## n > (m))
+#define VXD_MASK(n,m) (vx_debug_ ## n & (m))
+
+#define VXD_QPOS(v,p) (((uint32_t)(v) >> ((p)*8)) & 0xFF)
+#define VXD_QUAD(v) VXD_QPOS(v,0), VXD_QPOS(v,1), \
+ VXD_QPOS(v,2), VXD_QPOS(v,3)
+#define VXF_QUAD "%u.%u.%u.%u"
+
+#define VXD_DEV(d) (d), (d)->bd_inode->i_ino, \
+ imajor((d)->bd_inode), iminor((d)->bd_inode)
+#define VXF_DEV "%p[%lu,%d:%d]"
+
+
+#define __FUNC__ __func__
+
+
+#ifdef CONFIG_VSERVER_DEBUG
+
extern unsigned int vx_debug_switch;
extern unsigned int vx_debug_xid;
extern unsigned int vx_debug_nid;
extern unsigned int vx_debug_net;
extern unsigned int vx_debug_limit;
+extern unsigned int vx_debug_cres;
extern unsigned int vx_debug_dlim;
extern unsigned int vx_debug_cvirt;
+extern unsigned int vx_debug_misc;
-#define VXD_CBIT(n,m) (vx_debug_ ## n & (1 << (m)))
-#define VXD_CMIN(n,m) (vx_debug_ ## n > (m))
-#define VXD_MASK(n,m) (vx_debug_ ## n & (m))
-
-// #define VXD_HERE __FILE__, __LINE__
-
-
-#ifdef CONFIG_VSERVER_DEBUG
-
-#define VX_LOGLEVEL "vxD: "
+#define VX_LOGLEVEL "vxD: "
+#define VX_WARNLEVEL KERN_WARNING "vxW: "
#define vxdprintk(c,f,x...) \
do { \
if (c) \
- printk(VX_LOGLEVEL f "\n", x); \
- } while (0)
+ printk(VX_LOGLEVEL f "\n" , ##x); \
+ } while (0)
#define vxlprintk(c,f,x...) \
do { \
if (c) \
printk(VX_LOGLEVEL f " @%s:%d\n", x); \
- } while (0)
+ } while (0)
-#else
+#define vxfprintk(c,f,x...) \
+ do { \
+ if (c) \
+ printk(VX_LOGLEVEL f " %s@%s:%d\n", x); \
+ } while (0)
-#define vxdprintk(x...) do { } while (0)
-#define vxlprintk(x...) do { } while (0)
-#endif
+#define vxwprintk(c,f,x...) \
+ do { \
+ if (c) \
+ printk(VX_WARNLEVEL f "\n" , ##x); \
+ } while (0)
+
+#define vxd_path(d,m) \
+ ({ static char _buffer[PATH_MAX]; \
+ d_path((d), (m), _buffer, sizeof(_buffer)); })
+
+#define vxd_cond_path(n) \
+ ((n) ? vxd_path((n)->dentry, (n)->mnt) : "<null>" )
+
+#else /* CONFIG_VSERVER_DEBUG */
+
+#define vx_debug_switch 0
+#define vx_debug_xid 0
+#define vx_debug_nid 0
+#define vx_debug_net 0
+#define vx_debug_limit 0
+#define vx_debug_cres 0
+#define vx_debug_dlim 0
+#define vx_debug_cvirt 0
+
+#define vxdprintk(x...) do { } while (0)
+#define vxlprintk(x...) do { } while (0)
+#define vxfprintk(x...) do { } while (0)
+#define vxwprintk(x...) do { } while (0)
+
+#define vxd_path "<none>"
+#define vxd_cond_path vxd_path
+
+#endif /* CONFIG_VSERVER_DEBUG */
+
+
+/* history stuff */
+
+#ifdef CONFIG_VSERVER_HISTORY
+
+
+extern unsigned volatile int vxh_active;
+
+struct _vxhe_vxi {
+ struct vx_info *ptr;
+ unsigned xid;
+ unsigned usecnt;
+ unsigned tasks;
+};
+
+struct _vxhe_set_clr {
+ void *data;
+};
+
+struct _vxhe_loc_lookup {
+ unsigned arg;
+};
+
+enum {
+ VXH_UNUSED=0,
+ VXH_THROW_OOPS=1,
+
+ VXH_GET_VX_INFO,
+ VXH_PUT_VX_INFO,
+ VXH_INIT_VX_INFO,
+ VXH_SET_VX_INFO,
+ VXH_CLR_VX_INFO,
+ VXH_CLAIM_VX_INFO,
+ VXH_RELEASE_VX_INFO,
+ VXH_ALLOC_VX_INFO,
+ VXH_DEALLOC_VX_INFO,
+ VXH_HASH_VX_INFO,
+ VXH_UNHASH_VX_INFO,
+ VXH_LOC_VX_INFO,
+ VXH_LOOKUP_VX_INFO,
+ VXH_CREATE_VX_INFO,
+};
+
+struct _vx_hist_entry {
+ void *loc;
+ unsigned short seq;
+ unsigned short type;
+ struct _vxhe_vxi vxi;
+ union {
+ struct _vxhe_set_clr sc;
+ struct _vxhe_loc_lookup ll;
+ };
+};
+
+struct _vx_hist_entry *vxh_advance(void *loc);
+
+
+static inline
+void __vxh_copy_vxi(struct _vx_hist_entry *entry, struct vx_info *vxi)
+{
+ entry->vxi.ptr = vxi;
+ if (vxi) {
+ entry->vxi.usecnt = atomic_read(&vxi->vx_usecnt);
+ entry->vxi.tasks = atomic_read(&vxi->vx_tasks);
+ entry->vxi.xid = vxi->vx_id;
+ }
+}
+
+#define __HERE__ current_text_addr()
+
+#define __VXH_BODY(__type, __data, __here) \
+ struct _vx_hist_entry *entry; \
+ \
+ preempt_disable(); \
+ entry = vxh_advance(__here); \
+ __data; \
+ entry->type = __type; \
+ preempt_enable();
+
+
+ /* pass vxi only */
+
+#define __VXH_SMPL \
+ __vxh_copy_vxi(entry, vxi)
+
+static inline
+void __vxh_smpl(struct vx_info *vxi, int __type, void *__here)
+{
+ __VXH_BODY(__type, __VXH_SMPL, __here)
+}
+
+ /* pass vxi and data (void *) */
+
+#define __VXH_DATA \
+ __vxh_copy_vxi(entry, vxi); \
+ entry->sc.data = data
+
+static inline
+void __vxh_data(struct vx_info *vxi, void *data,
+ int __type, void *__here)
+{
+ __VXH_BODY(__type, __VXH_DATA, __here)
+}
+
+ /* pass vxi and arg (long) */
+
+#define __VXH_LONG \
+ __vxh_copy_vxi(entry, vxi); \
+ entry->ll.arg = arg
+
+static inline
+void __vxh_long(struct vx_info *vxi, long arg,
+ int __type, void *__here)
+{
+ __VXH_BODY(__type, __VXH_LONG, __here)
+}
+
+
+static inline
+void __vxh_throw_oops(void *__here)
+{
+ __VXH_BODY(VXH_THROW_OOPS, {}, __here);
+ /* prevent further acquisition */
+ vxh_active = 0;
+}
+
+
+#define vxh_throw_oops() __vxh_throw_oops(__HERE__);
+
+#define __vxh_get_vx_info(v,h) __vxh_smpl(v, VXH_GET_VX_INFO, h);
+#define __vxh_put_vx_info(v,h) __vxh_smpl(v, VXH_PUT_VX_INFO, h);
+
+#define __vxh_init_vx_info(v,d,h) \
+ __vxh_data(v,d, VXH_INIT_VX_INFO, h);
+#define __vxh_set_vx_info(v,d,h) \
+ __vxh_data(v,d, VXH_SET_VX_INFO, h);
+#define __vxh_clr_vx_info(v,d,h) \
+ __vxh_data(v,d, VXH_CLR_VX_INFO, h);
+
+#define __vxh_claim_vx_info(v,d,h) \
+ __vxh_data(v,d, VXH_CLAIM_VX_INFO, h);
+#define __vxh_release_vx_info(v,d,h) \
+ __vxh_data(v,d, VXH_RELEASE_VX_INFO, h);
+
+#define vxh_alloc_vx_info(v) \
+ __vxh_smpl(v, VXH_ALLOC_VX_INFO, __HERE__);
+#define vxh_dealloc_vx_info(v) \
+ __vxh_smpl(v, VXH_DEALLOC_VX_INFO, __HERE__);
+
+#define vxh_hash_vx_info(v) \
+ __vxh_smpl(v, VXH_HASH_VX_INFO, __HERE__);
+#define vxh_unhash_vx_info(v) \
+ __vxh_smpl(v, VXH_UNHASH_VX_INFO, __HERE__);
+
+#define vxh_loc_vx_info(v,l) \
+ __vxh_long(v,l, VXH_LOC_VX_INFO, __HERE__);
+#define vxh_lookup_vx_info(v,l) \
+ __vxh_long(v,l, VXH_LOOKUP_VX_INFO, __HERE__);
+#define vxh_create_vx_info(v,l) \
+ __vxh_long(v,l, VXH_CREATE_VX_INFO, __HERE__);
+
+extern void vxh_dump_history(void);
+
+
+#else /* CONFIG_VSERVER_HISTORY */
+
+#define __HERE__ 0
+
+#define vxh_throw_oops() do { } while (0)
+
+#define __vxh_get_vx_info(v,h) do { } while (0)
+#define __vxh_put_vx_info(v,h) do { } while (0)
+
+#define __vxh_init_vx_info(v,d,h) do { } while (0)
+#define __vxh_set_vx_info(v,d,h) do { } while (0)
+#define __vxh_clr_vx_info(v,d,h) do { } while (0)
+
+#define __vxh_claim_vx_info(v,d,h) do { } while (0)
+#define __vxh_release_vx_info(v,d,h) do { } while (0)
+
+#define vxh_alloc_vx_info(v) do { } while (0)
+#define vxh_dealloc_vx_info(v) do { } while (0)
+
+#define vxh_hash_vx_info(v) do { } while (0)
+#define vxh_unhash_vx_info(v) do { } while (0)
+
+#define vxh_loc_vx_info(a,v) do { } while (0)
+#define vxh_lookup_vx_info(a,v) do { } while (0)
+#define vxh_create_vx_info(a,v) do { } while (0)
+
+#define vxh_dump_history() do { } while (0)
+
+
+#endif /* CONFIG_VSERVER_HISTORY */
+
+
+#ifdef CONFIG_VSERVER_DEBUG
+#define vxd_assert_lock(l) assert_spin_locked(l)
+#define vxd_assert(c,f,x...) vxlprintk(!(c), \
+ "assertion [" f "] failed.", ##x, __FILE__, __LINE__)
+#else
+#define vxd_assert_lock(l) do { } while (0)
+#define vxd_assert(c,f,x...) do { } while (0)
+#endif
#endif /* _VX_DEBUG_H */