--- /dev/null
+#ifndef _VX_DEBUG_H
+#define _VX_DEBUG_H
+
+#ifndef CONFIG_VSERVER
+#warning config options missing
+#endif
+
+#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 __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_dlim;
+extern unsigned int vx_debug_cvirt;
+
+
+#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)
+
+#define vxlprintk(c,f,x...) \
+ do { \
+ if (c) \
+ printk(VX_LOGLEVEL f " @%s:%d\n", x); \
+ } while (0)
+
+#define vxfprintk(c,f,x...) \
+ do { \
+ if (c) \
+ printk(VX_LOGLEVEL f " %s@%s:%d\n", x); \
+ } while (0)
+
+
+#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)); })
+
+#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_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>"
+
+#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);
+
+#define VXH_HERE() \
+ ({ __label__ here; \
+ here:; \
+ &&here; })
+
+
+
+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 __VXH_BODY(__type, __data) \
+ struct _vx_hist_entry *entry; \
+ \
+ preempt_disable(); \
+ entry = vxh_advance(VXH_HERE()); \
+ __data; \
+ entry->type = __type; \
+ preempt_enable();
+
+
+ /* pass vxi only */
+#define __VXH_SIMPLE \
+ __vxh_copy_vxi(entry, vxi)
+
+#define VXH_SIMPLE(__name, __type) \
+static inline void __name(struct vx_info *vxi) \
+{ \
+ __VXH_BODY(__type, __VXH_SIMPLE) \
+}
+
+ /* pass vxi and data (void *) */
+#define __VXH_DATA \
+ __vxh_copy_vxi(entry, vxi); \
+ entry->sc.data = data
+
+#define VXH_DATA(__name, __type) \
+static inline \
+void __name(struct vx_info *vxi, void *data) \
+{ \
+ __VXH_BODY(__type, __VXH_DATA) \
+}
+
+ /* pass vxi and arg (long) */
+#define __VXH_LARG \
+ __vxh_copy_vxi(entry, vxi); \
+ entry->ll.arg = arg
+
+#define VXH_LARG(__name, __type) \
+static inline \
+void __name(struct vx_info *vxi, long arg) \
+{ \
+ __VXH_BODY(__type, __VXH_LARG) \
+}
+
+
+static inline void vxh_throw_oops(void)
+{
+ __VXH_BODY(VXH_THROW_OOPS, {});
+ /* prevent further acquisition */
+ vxh_active = 0;
+}
+
+VXH_SIMPLE(vxh_get_vx_info, VXH_GET_VX_INFO);
+VXH_SIMPLE(vxh_put_vx_info, VXH_PUT_VX_INFO);
+
+VXH_DATA(vxh_init_vx_info, VXH_INIT_VX_INFO);
+VXH_DATA(vxh_set_vx_info, VXH_SET_VX_INFO);
+VXH_DATA(vxh_clr_vx_info, VXH_CLR_VX_INFO);
+
+VXH_DATA(vxh_claim_vx_info, VXH_CLAIM_VX_INFO);
+VXH_DATA(vxh_release_vx_info, VXH_RELEASE_VX_INFO);
+
+VXH_SIMPLE(vxh_alloc_vx_info, VXH_ALLOC_VX_INFO);
+VXH_SIMPLE(vxh_dealloc_vx_info, VXH_DEALLOC_VX_INFO);
+
+VXH_SIMPLE(vxh_hash_vx_info, VXH_HASH_VX_INFO);
+VXH_SIMPLE(vxh_unhash_vx_info, VXH_UNHASH_VX_INFO);
+
+VXH_LARG(vxh_loc_vx_info, VXH_LOC_VX_INFO);
+VXH_LARG(vxh_lookup_vx_info, VXH_LOOKUP_VX_INFO);
+VXH_LARG(vxh_create_vx_info, VXH_CREATE_VX_INFO);
+
+extern void vxh_dump_history(void);
+
+
+#else /* CONFIG_VSERVER_HISTORY */
+
+
+#define vxh_throw_oops() do { } while (0)
+
+#define vxh_get_vx_info(v) do { } while (0)
+#define vxh_put_vx_info(v) do { } while (0)
+
+#define vxh_init_vx_info(v,d) do { } while (0)
+#define vxh_set_vx_info(v,d) do { } while (0)
+#define vxh_clr_vx_info(v,d) do { } while (0)
+
+#define vxh_claim_vx_info(v,d) do { } while (0)
+#define vxh_release_vx_info(v,d) 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)
+#else
+#define vxd_assert_lock(l) do { } while (0)
+#endif
+
+
+#endif /* _VX_DEBUG_H */
git://git.onelab.eu / util-vserver.git / blobdiff