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Diffstat (limited to 'drivers/s390/block/dasd_int.h')
-rw-r--r--drivers/s390/block/dasd_int.h57
1 files changed, 50 insertions, 7 deletions
diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h
index d1e4f2c1264..1dd12bd85a6 100644
--- a/drivers/s390/block/dasd_int.h
+++ b/drivers/s390/block/dasd_int.h
@@ -382,6 +382,41 @@ struct dasd_path {
__u8 npm;
};
+struct dasd_profile_info {
+ /* legacy part of profile data, as in dasd_profile_info_t */
+ unsigned int dasd_io_reqs; /* number of requests processed */
+ unsigned int dasd_io_sects; /* number of sectors processed */
+ unsigned int dasd_io_secs[32]; /* histogram of request's sizes */
+ unsigned int dasd_io_times[32]; /* histogram of requests's times */
+ unsigned int dasd_io_timps[32]; /* h. of requests's times per sector */
+ unsigned int dasd_io_time1[32]; /* hist. of time from build to start */
+ unsigned int dasd_io_time2[32]; /* hist. of time from start to irq */
+ unsigned int dasd_io_time2ps[32]; /* hist. of time from start to irq */
+ unsigned int dasd_io_time3[32]; /* hist. of time from irq to end */
+ unsigned int dasd_io_nr_req[32]; /* hist. of # of requests in chanq */
+
+ /* new data */
+ struct timespec starttod; /* time of start or last reset */
+ unsigned int dasd_io_alias; /* requests using an alias */
+ unsigned int dasd_io_tpm; /* requests using transport mode */
+ unsigned int dasd_read_reqs; /* total number of read requests */
+ unsigned int dasd_read_sects; /* total number read sectors */
+ unsigned int dasd_read_alias; /* read request using an alias */
+ unsigned int dasd_read_tpm; /* read requests in transport mode */
+ unsigned int dasd_read_secs[32]; /* histogram of request's sizes */
+ unsigned int dasd_read_times[32]; /* histogram of requests's times */
+ unsigned int dasd_read_time1[32]; /* hist. time from build to start */
+ unsigned int dasd_read_time2[32]; /* hist. of time from start to irq */
+ unsigned int dasd_read_time3[32]; /* hist. of time from irq to end */
+ unsigned int dasd_read_nr_req[32]; /* hist. of # of requests in chanq */
+};
+
+struct dasd_profile {
+ struct dentry *dentry;
+ struct dasd_profile_info *data;
+ spinlock_t lock;
+};
+
struct dasd_device {
/* Block device stuff. */
struct dasd_block *block;
@@ -431,6 +466,9 @@ struct dasd_device {
/* default expiration time in s */
unsigned long default_expires;
+
+ struct dentry *debugfs_dentry;
+ struct dasd_profile profile;
};
struct dasd_block {
@@ -453,9 +491,8 @@ struct dasd_block {
struct tasklet_struct tasklet;
struct timer_list timer;
-#ifdef CONFIG_DASD_PROFILE
- struct dasd_profile_info_t profile;
-#endif
+ struct dentry *debugfs_dentry;
+ struct dasd_profile profile;
};
@@ -589,12 +626,13 @@ dasd_check_blocksize(int bsize)
}
/* externals in dasd.c */
-#define DASD_PROFILE_ON 1
-#define DASD_PROFILE_OFF 0
+#define DASD_PROFILE_OFF 0
+#define DASD_PROFILE_ON 1
+#define DASD_PROFILE_GLOBAL_ONLY 2
extern debug_info_t *dasd_debug_area;
-extern struct dasd_profile_info_t dasd_global_profile;
-extern unsigned int dasd_profile_level;
+extern struct dasd_profile_info dasd_global_profile_data;
+extern unsigned int dasd_global_profile_level;
extern const struct block_device_operations dasd_device_operations;
extern struct kmem_cache *dasd_page_cache;
@@ -662,6 +700,11 @@ void dasd_device_remove_stop_bits(struct dasd_device *, int);
int dasd_device_is_ro(struct dasd_device *);
+void dasd_profile_reset(struct dasd_profile *);
+int dasd_profile_on(struct dasd_profile *);
+void dasd_profile_off(struct dasd_profile *);
+void dasd_global_profile_reset(void);
+char *dasd_get_user_string(const char __user *, size_t);
/* externals in dasd_devmap.c */
extern int dasd_max_devindex;