socsvn commit: r224061 - soc2011/oleksandr/oleksandr-head/head/sys/sys

[oleksandr at FreeBSD.org]

Author: oleksandr
Date: Fri Jul  8 21:44:21 2011
New Revision: 224061
URL: http://svnweb.FreeBSD.org/socsvn/?view=rev&rev=224061

Log:
  Added new structure in header file for record error

Modified:
  soc2011/oleksandr/oleksandr-head/head/sys/sys/devicestat.h

Modified: soc2011/oleksandr/oleksandr-head/head/sys/sys/devicestat.h
==============================================================================
--- soc2011/oleksandr/oleksandr-head/head/sys/sys/devicestat.h	Fri Jul  8 21:41:12 2011	(r224060)
+++ soc2011/oleksandr/oleksandr-head/head/sys/sys/devicestat.h	Fri Jul  8 21:44:21 2011	(r224061)
@@ -94,7 +94,13 @@
 	DEVSTAT_PRIORITY_ARRAY	= 0x120,
 	DEVSTAT_PRIORITY_MAX	= 0xfff
 } devstat_priority;
-
+/*
+ * These flags indicates the type of disk error.
+ */
+typedef enum {
+        DEVSTAT_ERROR_RETRIABLE     = 0x01,
+        DEVSTAT_ERROR_NON_RETRIABLE = 0x02 
+} devstat_error_flags;
 /*
  * These types are intended to aid statistics gathering/display programs.
  * The first 13 types (up to the 'target' flag) are identical numerically
@@ -128,7 +134,13 @@
 	DEVSTAT_TYPE_IF_MASK	= 0x0f0,
 	DEVSTAT_TYPE_PASS	= 0x100
 } devstat_type_flags;
-
+/*
+ * The structure that contains the disk errors counter. 
+ */
+struct devstat_device_error { 
+        int         retriable;
+        int         non_retriable;
+};
 /*
  * XXX: Next revision should add
  *	off_t		offset[DEVSTAT_N_TRANS_FLAGS];
@@ -159,6 +171,7 @@
 						      * Time the device was
 						      * created.
 						      */
+        struct devstat_device_error     dev_error;   /* Disk error structure.*/  
 	u_int32_t		block_size;	     /* Block size, bytes */
 	u_int64_t		tag_types[3];	     /*
 						      * The number of
@@ -190,7 +203,7 @@
 				  devstat_support_flags flags,
 				  devstat_type_flags device_type,
 				  devstat_priority priority);
-
+struct devstat *devstat_search(const char *dev_name, u_int32_t unit_namber);
 void devstat_remove_entry(struct devstat *ds);
 void devstat_start_transaction(struct devstat *ds, struct bintime *now);
 void devstat_start_transaction_bio(struct devstat *ds, struct bio *bp);
@@ -199,6 +212,7 @@
 			     devstat_trans_flags flags,
 			     struct bintime *now, struct bintime *then);
 void devstat_end_transaction_bio(struct devstat *ds, struct bio *bp);
+void devstat_add_error(struct devstat *ds, devstat_error_flags error_flag);
 #endif
 
 #endif /* _DEVICESTAT_H */