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#ifndef __UVM8_GPU_ACCESS_COUNTERS_H__
#define __UVM8_GPU_ACCESS_COUNTERS_H__

#include "uvm_common.h"
#include "uvm8_forward_decl.h"
#include "uvm8_test_ioctl.h"

NV_STATUS uvm_gpu_init_access_counters(uvm_gpu_t *gpu);
void uvm_gpu_deinit_access_counters(uvm_gpu_t *gpu);
bool uvm_gpu_access_counters_pending(uvm_gpu_t *gpu);

void uvm_gpu_service_access_counters(uvm_gpu_t *gpu);

void uvm_gpu_access_counter_buffer_flush(uvm_gpu_t *gpu);

// Ignore or unignore access counters notifications. Ignoring means that the
// bottom half is a no-op which just leaves notifications in the HW buffer
// without being serviced and without inspecting any SW state.
//
// To avoid interrupt storms, access counter interrupts will be disabled (level-
// based) or not re-armed (pulse-based) while ignored. Access counter bottom
// halves may still be scheduled in the top half when other interrupts arrive
// and the top half sees that there are also pending access counter
// notifications.
//
// When uningoring, the interrupt conditions will be re-evaluated to trigger
// processing of buffered notifications, if any exist.
void uvm_gpu_access_counters_set_ignore(uvm_gpu_t *gpu, bool do_ignore);

bool uvm_va_space_has_access_counter_migrations(uvm_va_space_t *va_space);

// Global perf initialization/cleanup functions
NV_STATUS uvm_perf_access_counters_init(void);
void uvm_perf_access_counters_exit(void);

// VA space Initialization/cleanup functions. See comments in
// uvm8_perf_heuristics.h
NV_STATUS uvm_perf_access_counters_load(uvm_va_space_t *va_space);
void uvm_perf_access_counters_unload(uvm_va_space_t *va_space);

NV_STATUS uvm8_test_reconfigure_access_counters(UVM_TEST_RECONFIGURE_ACCESS_COUNTERS_PARAMS *params,
                                                struct file *filp);
NV_STATUS uvm8_test_reset_access_counters(UVM_TEST_RESET_ACCESS_COUNTERS_PARAMS *params, struct file *filp);
NV_STATUS uvm8_test_set_ignore_access_counters(UVM_TEST_SET_IGNORE_ACCESS_COUNTERS_PARAMS *params, struct file *filp);

#endif // __UVM8_GPU_ACCESS_COUNTERS_H__
