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This commit is contained in:
Andy Ritger
2023-10-17 09:25:29 -07:00
parent f59818b751
commit b5bf85a8e3
917 changed files with 132480 additions and 110015 deletions
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21
kernel-open/nvidia-uvm/uvm_global.h
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@@ -1,5 +1,5 @@
/*******************************************************************************
Copyright (c) 2015-2023 NVIDIA Corporation
Copyright (c) 2015-2021 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
@@ -143,16 +143,11 @@ struct uvm_global_struct
struct page *page;
} unload_state;
// True if the VM has AMD's SEV, or equivalent HW security extensions such
// as Intel's TDX, enabled. The flag is always false on the host.
//
// This value moves in tandem with that of Confidential Computing in the
// GPU(s) in all supported configurations, so it is used as a proxy for the
// Confidential Computing state.
//
// This field is set once during global initialization (uvm_global_init),
// and can be read afterwards without acquiring any locks.
bool conf_computing_enabled;
// AMD Secure Encrypted Virtualization (SEV) status. True if VM has SEV
// enabled. This field is set once during global initialization
// (uvm_global_init), and can be read afterwards without acquiring any
// locks.
bool sev_enabled;
};
// Initialize global uvm state
@@ -238,10 +233,8 @@ static uvm_gpu_t *uvm_gpu_get_by_processor_id(uvm_processor_id_t id)
return gpu;
}
static uvmGpuSessionHandle uvm_gpu_session_handle(uvm_gpu_t *gpu)
static uvmGpuSessionHandle uvm_global_session_handle(void)
{
if (gpu->parent->smc.enabled)
return gpu->smc.rm_session_handle;
return g_uvm_global.rm_session_handle;
}