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/*
* drivers/s390/cio/qdio_perf.h
*
* Copyright IBM Corp. 2008
*
* Author: Jan Glauber (jang@linux.vnet.ibm.com)
*/
#ifndef QDIO_PERF_H
#define QDIO_PERF_H
#include <linux/types.h>
#include <linux/device.h>
#include <asm/atomic.h>
struct qdio_perf_stats {
/* interrupt handler calls */
atomic_long_t qdio_int;
atomic_long_t pci_int;
atomic_long_t thin_int;
/* tasklet runs */
atomic_long_t tasklet_inbound;
atomic_long_t tasklet_outbound;
atomic_long_t tasklet_thinint;
atomic_long_t tasklet_thinint_loop;
atomic_long_t thinint_inbound;
atomic_long_t thinint_inbound_loop;
atomic_long_t thinint_inbound_loop2;
/* signal adapter calls */
atomic_long_t siga_out;
atomic_long_t siga_in;
atomic_long_t siga_sync;
/* misc */
atomic_long_t inbound_handler;
atomic_long_t outbound_handler;
atomic_long_t fast_requeue;
/* for debugging */
atomic_long_t debug_tl_out_timer;
atomic_long_t debug_stop_polling;
atomic_long_t debug_eqbs_all;
atomic_long_t debug_eqbs_incomplete;
atomic_long_t debug_sqbs_all;
atomic_long_t debug_sqbs_incomplete;
};
extern struct qdio_perf_stats perf_stats;
extern int qdio_performance_stats;
int qdio_setup_perf_stats(void);
void qdio_remove_perf_stats(void);
extern void qdio_perf_stat_inc(atomic_long_t *count);
extern void qdio_perf_stat_dec(atomic_long_t *count);
#endif
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