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This commit is contained in:
Maneet Singh
2025-08-04 11:15:02 -07:00
parent d890313300
commit 307159f262
1315 changed files with 477791 additions and 279973 deletions
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28
kernel-open/nvidia-uvm/uvm_push_macros.h
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@@ -1,5 +1,5 @@
/*******************************************************************************
Copyright (c) 2015-2024 NVIDIA Corporation
Copyright (c) 2015-2025 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
@@ -81,15 +81,28 @@
// Host methods ignore the subchannel, just use 0
#define UVM_SUBCHANNEL_HOST 0
// Starting with Kepler HW settled on using a fixed subchannel for CE.
// HW uses a fixed subchannel for CE.
#define UVM_SUBCHANNEL_CE NVA06F_SUBCHANNEL_COPY_ENGINE
// Subchannel for UVM SW methods. The largest fixed HW subchannel is 4, meaning
// subchannels 5-7 are reserved for SW use. See cla06fsubch.h. RM does not care
// which of those we use.
#define UVM_SUBCHANNEL_SW 5
// NVA06F_SUBCHANNEL_COMPUTE is a semi-arbitrary value for UVM_SUBCHANNEL_SEC2.
// We need a "unique" subchannel across all subchannels UVM submits work. This
// is used when we are post-processing a pushbuffer and we need to extract SEC2
// methods from a it, having a unique subchannel facilitates the SEC2 method
// identification.
#define UVM_SUBCHANNEL_SEC2 NVA06F_SUBCHANNEL_COMPUTE
#define UVM_SUBCHANNEL_A16F UVM_SUBCHANNEL_HOST
#define UVM_SUBCHANNEL_B06F UVM_SUBCHANNEL_HOST
#define UVM_SUBCHANNEL_B0B5 UVM_SUBCHANNEL_CE
#define UVM_SUBCHANNEL_C06F UVM_SUBCHANNEL_HOST
#define UVM_SUBCHANNEL_C076 UVM_SUBCHANNEL_SW
#define UVM_SUBCHANNEL_C0B5 UVM_SUBCHANNEL_CE
#define UVM_SUBCHANNEL_C36F UVM_SUBCHANNEL_HOST
@@ -105,17 +118,6 @@
#define UVM_SUBCHANNEL_C96F UVM_SUBCHANNEL_HOST
// Channel for UVM SW methods. This is defined in nv_uvm_types.h. RM does not
// care about the specific number as long as it's bigger than the largest HW
// value. For example, Kepler reserves subchannels 5-7 for software objects.
#define UVM_SUBCHANNEL_C076 UVM_SW_OBJ_SUBCHANNEL
// NVA06F_SUBCHANNEL_COMPUTE is a semi-arbitrary value for UVM_SUBCHANNEL_SEC2.
// We need a "unique" subchannel across all subchannels UVM submits work. This
// is used when we are post-processing a pushbuffer and we need to extract SEC2
// methods from a it, having a unique subchannel facilitates the SEC2 method
// identification.
#define UVM_SUBCHANNEL_SEC2 NVA06F_SUBCHANNEL_COMPUTE
#define UVM_SUBCHANNEL_CBA2 UVM_SUBCHANNEL_SEC2
#define UVM_METHOD_SIZE 4