NVIDIA/open-gpu-kernel-modules
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580.94.10

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This commit is contained in:
russellcnv
2025-11-17 09:42:27 -08:00
parent e2dbb3d99c
commit 5237658d5c
53 changed files with 701 additions and 274 deletions
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19
kernel-open/nvidia-uvm/uvm_blackwell_host.c
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@@ -347,10 +347,23 @@ uvm_hal_blackwell_access_counter_query_clear_op_gb20x(uvm_parent_gpu_t *parent_g
return UVM_ACCESS_COUNTER_CLEAR_OP_TARGETED;
}
// Host-specific L2 cache invalidate for non-coherent sysmem
void uvm_hal_blackwell_host_l2_invalidate_noncoh_sysmem(uvm_push_t *push)
void uvm_hal_blackwell_host_l2_invalidate(uvm_push_t *push, uvm_aperture_t aperture)
{
uvm_gpu_t *gpu = uvm_push_get_gpu(push);
NvU32 aperture_value;
if (!gpu->parent->is_integrated_gpu) {
return uvm_hal_ampere_host_l2_invalidate(push, aperture);
}
switch (aperture) {
case UVM_APERTURE_SYS:
aperture_value = HWCONST(C96F, MEM_OP_D, OPERATION, L2_SYSMEM_NCOH_INVALIDATE);
break;
default:
UVM_ASSERT_MSG(false, "Invalid aperture_type %d\n", aperture);
return;
}
// First sysmembar
uvm_hal_membar(gpu, push, UVM_MEMBAR_SYS);
@@ -363,7 +376,7 @@ void uvm_hal_blackwell_host_l2_invalidate_noncoh_sysmem(uvm_push_t *push)
NV_PUSH_4U(C96F, MEM_OP_A, 0,
MEM_OP_B, 0,
MEM_OP_C, 0,
MEM_OP_D, HWCONST(C96F, MEM_OP_D, OPERATION, L2_SYSMEM_NCOH_INVALIDATE));
MEM_OP_D, aperture_value);
// Final sysmembar
uvm_hal_membar(gpu, push, UVM_MEMBAR_SYS);
}