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russellcnv
2025-03-25 12:40:01 -07:00
parent 5e6ad2b575
commit 4d941c0b6e
146 changed files with 53927 additions and 54744 deletions
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25
kernel-open/nvidia-uvm/uvm_gpu_access_counters.h
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@@ -1,5 +1,5 @@
/*******************************************************************************
Copyright (c) 2017-2024 NVIDIA Corporation
Copyright (c) 2017-2025 NVIDIA Corporation
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to
@@ -27,11 +27,11 @@
#include "uvm_forward_decl.h"
#include "uvm_test_ioctl.h"
NV_STATUS uvm_parent_gpu_init_access_counters(uvm_parent_gpu_t *parent_gpu);
void uvm_parent_gpu_deinit_access_counters(uvm_parent_gpu_t *parent_gpu);
bool uvm_parent_gpu_access_counters_pending(uvm_parent_gpu_t *parent_gpu);
NV_STATUS uvm_parent_gpu_init_access_counters(uvm_parent_gpu_t *parent_gpu, NvU32 index);
void uvm_parent_gpu_deinit_access_counters(uvm_parent_gpu_t *parent_gpu, NvU32 index);
bool uvm_parent_gpu_access_counters_pending(uvm_parent_gpu_t *parent_gpu, NvU32 index);
void uvm_parent_gpu_service_access_counters(uvm_parent_gpu_t *parent_gpu);
void uvm_service_access_counters(uvm_access_counter_buffer_t *access_counters);
void uvm_parent_gpu_access_counter_buffer_flush(uvm_parent_gpu_t *parent_gpu);
@@ -46,17 +46,23 @@ void uvm_parent_gpu_access_counter_buffer_flush(uvm_parent_gpu_t *parent_gpu);
//
// When uningoring, the interrupt conditions will be re-evaluated to trigger
// processing of buffered notifications, if any exist.
//
// All parent_gpu's notifications buffers are affected.
void uvm_parent_gpu_access_counters_set_ignore(uvm_parent_gpu_t *parent_gpu, bool do_ignore);
// Return whether the VA space has access counter migrations enabled. The
// caller must ensure that the VA space cannot go away.
bool uvm_va_space_has_access_counter_migrations(uvm_va_space_t *va_space);
// Global perf initialization/cleanup functions
// Global access counters initialization/cleanup functions.
NV_STATUS uvm_access_counters_init(void);
void uvm_access_counters_exit(void);
// 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
// VA space initialization/cleanup functions. See comments in
// uvm_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);
@@ -72,17 +78,18 @@ bool uvm_parent_gpu_access_counters_required(const uvm_parent_gpu_t *parent_gpu)
// counters are currently enabled. The hardware notifications and interrupts on
// the GPU are enabled the first time any VA space invokes
// uvm_gpu_access_counters_enable, and disabled when the last VA space invokes
// uvm_parent_gpu_access_counters_disable().
// uvm_gpu_access_counters_disable().
//
// Locking: the VA space lock must not be held by the caller since these
// functions may take the access counters ISR lock.
NV_STATUS uvm_gpu_access_counters_enable(uvm_gpu_t *gpu, uvm_va_space_t *va_space);
void uvm_parent_gpu_access_counters_disable(uvm_parent_gpu_t *parent_gpu, uvm_va_space_t *va_space);
void uvm_gpu_access_counters_disable(uvm_gpu_t *gpu, uvm_va_space_t *va_space);
NV_STATUS uvm_test_access_counters_enabled_by_default(UVM_TEST_ACCESS_COUNTERS_ENABLED_BY_DEFAULT_PARAMS *params,
struct file *filp);
NV_STATUS uvm_test_reconfigure_access_counters(UVM_TEST_RECONFIGURE_ACCESS_COUNTERS_PARAMS *params, struct file *filp);
NV_STATUS uvm_test_reset_access_counters(UVM_TEST_RESET_ACCESS_COUNTERS_PARAMS *params, struct file *filp);
NV_STATUS uvm_test_set_ignore_access_counters(UVM_TEST_SET_IGNORE_ACCESS_COUNTERS_PARAMS *params, struct file *filp);
NV_STATUS uvm_test_query_access_counters(UVM_TEST_QUERY_ACCESS_COUNTERS_PARAMS *params, struct file *filp);
#endif // __UVM_GPU_ACCESS_COUNTERS_H__