Add linux events

[zfs.git] / module / zfs / include / sys / fm / util.h

diff --git a/module/zfs/include/sys/fm/util.h b/module/zfs/include/sys/fm/util.h
index 3733410..94947d6 100644 (file)
--- a/module/zfs/include/sys/fm/util.h
+++ b/module/zfs/include/sys/fm/util.h
@@ -31,7 +31,6 @@ extern "C" {
 #endif
 
 #include <sys/nvpair.h>
-#include <sys/errorq.h>
 
 /*
  * Shared user/kernel definitions for class length, error channel name,
@@ -71,29 +70,42 @@ typedef struct erpt_dump {
 } erpt_dump_t;
 
 #ifdef _KERNEL
-#include <sys/systm.h>
 
-#define        FM_STK_DEPTH    20      /* maximum stack depth */
-#define        FM_SYM_SZ       64      /* maximum symbol size */
-#define        FM_ERR_PIL      2       /* PIL for ereport_errorq drain processing */
+#define ZEVENT_SHUTDOWN        0x1
 
-#define        FM_EREPORT_PAYLOAD_NAME_STACK           "stack"
+typedef void zevent_cb_t(nvlist_t *, nvlist_t *);
 
-extern errorq_t *ereport_errorq;
-extern void *ereport_dumpbuf;
-extern size_t ereport_dumplen;
+typedef struct zevent_s {
+       nvlist_t        *ev_nvl;       /* protected by the zevent_lock */
+       nvlist_t        *ev_detector;  /* " */
+       list_t          ev_ze_list;    /* " */
+       list_node_t     ev_node;       /* " */
+       zevent_cb_t     *ev_cb;        /* " */
+} zevent_t;
+
+typedef struct zfs_zevent {
+       zevent_t        *ze_zevent;    /* protected by the zevent_lock */
+       list_node_t     ze_node;       /* " */
+       uint64_t        ze_dropped;    /* " */
+} zfs_zevent_t;
 
 extern void fm_init(void);
+extern void fm_fini(void);
 extern void fm_nvprint(nvlist_t *);
-extern void fm_panic(const char *, ...);
-extern void fm_banner(void);
+extern void zfs_zevent_post(nvlist_t *, nvlist_t *, zevent_cb_t *);
+extern void zfs_zevent_drain_all(int *);
+extern int zfs_zevent_fd_hold(int, minor_t *, zfs_zevent_t **);
+extern void zfs_zevent_fd_rele(int);
+extern int zfs_zevent_next(zfs_zevent_t *, nvlist_t **, uint64_t *);
+extern int zfs_zevent_wait(zfs_zevent_t *);
+extern void zfs_zevent_init(zfs_zevent_t **);
+extern void zfs_zevent_destroy(zfs_zevent_t *);
 
-extern void fm_ereport_dump(void);
-extern void fm_ereport_post(nvlist_t *, int);
+#else
 
-extern void fm_payload_stack_add(nvlist_t *, const pc_t *, int);
+static inline void fm_init(void) { }
+static inline void fm_fini(void) { }
 
-extern int is_fm_panic();
 #endif  /* _KERNEL */
 
 #ifdef __cplusplus