2008-07-17 22:16:48 +07:00
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/*
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* drivers/s390/cio/qdio_perf.h
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*
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* Copyright IBM Corp. 2008
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*
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* Author: Jan Glauber (jang@linux.vnet.ibm.com)
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*/
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#ifndef QDIO_PERF_H
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#define QDIO_PERF_H
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#include <linux/types.h>
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#include <linux/device.h>
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#include <asm/atomic.h>
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struct qdio_perf_stats {
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/* interrupt handler calls */
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atomic_long_t qdio_int;
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atomic_long_t pci_int;
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atomic_long_t thin_int;
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/* tasklet runs */
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atomic_long_t tasklet_inbound;
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atomic_long_t tasklet_outbound;
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atomic_long_t tasklet_thinint;
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atomic_long_t tasklet_thinint_loop;
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atomic_long_t thinint_inbound;
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atomic_long_t thinint_inbound_loop;
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atomic_long_t thinint_inbound_loop2;
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/* signal adapter calls */
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atomic_long_t siga_out;
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atomic_long_t siga_in;
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atomic_long_t siga_sync;
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/* misc */
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atomic_long_t inbound_handler;
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atomic_long_t outbound_handler;
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atomic_long_t fast_requeue;
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2008-12-25 19:38:47 +07:00
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atomic_long_t outbound_target_full;
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2008-07-17 22:16:48 +07:00
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/* for debugging */
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atomic_long_t debug_tl_out_timer;
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atomic_long_t debug_stop_polling;
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2008-12-25 19:38:44 +07:00
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atomic_long_t debug_eqbs_all;
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atomic_long_t debug_eqbs_incomplete;
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atomic_long_t debug_sqbs_all;
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atomic_long_t debug_sqbs_incomplete;
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2008-07-17 22:16:48 +07:00
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};
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extern struct qdio_perf_stats perf_stats;
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extern int qdio_performance_stats;
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int qdio_setup_perf_stats(void);
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void qdio_remove_perf_stats(void);
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extern void qdio_perf_stat_inc(atomic_long_t *count);
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extern void qdio_perf_stat_dec(atomic_long_t *count);
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#endif
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