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This commit is contained in:
Bernhard Stoeckner
2025-09-10 16:52:44 +02:00
parent e0566f7913
commit 0bf68f06cc
47 changed files with 1077 additions and 708 deletions
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kernel-open/nvidia-uvm/uvm_va_block.h
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@@ -1339,9 +1339,11 @@ NV_STATUS uvm_va_block_service_finish(uvm_processor_id_t processor_id,
uvm_va_block_t *va_block,
uvm_service_block_context_t *service_context);
// Allocate GPU state for the given va_block and registered GPUs.
// Returns the gpu_state for the given GPU. The returned pointer is
// internally managed and will be allocated (and freed) automatically,
// rather than by the caller. Returns NULL if there is no memory.
// Locking: The block lock must be held.
NV_STATUS uvm_va_block_gpu_state_alloc(uvm_va_block_t *va_block);
uvm_va_block_gpu_state_t *uvm_va_block_gpu_state_get_alloc(uvm_va_block_t *va_block, uvm_gpu_t *gpu);
// Release any GPU or policy data associated with the given region in response
// to munmap().
@@ -2113,10 +2115,13 @@ bool uvm_va_block_cpu_is_region_resident_on(uvm_va_block_t *va_block, int nid, u
// Locking: The va_block lock must be held.
NV_STATUS uvm_cpu_chunk_insert_in_block(uvm_va_block_t *va_block, uvm_cpu_chunk_t *chunk, uvm_page_index_t page_index);
// Remove a CPU chunk at the given page_index from the va_block.
// Remove the given CPU chunk at the given page_index from the va_block.
// nid cannot be NUMA_NO_NODE.
// Locking: The va_block lock must be held.
void uvm_cpu_chunk_remove_from_block(uvm_va_block_t *va_block, int nid, uvm_page_index_t page_index);
void uvm_cpu_chunk_remove_from_block(uvm_va_block_t *va_block,
uvm_cpu_chunk_t *chunk,
int nid,
uvm_page_index_t page_index);
// Return the CPU chunk at the given page_index on the given NUMA node from the
// va_block. nid cannot be NUMA_NO_NODE.
@@ -2249,6 +2254,13 @@ NV_STATUS uvm_va_block_populate_page_cpu(uvm_va_block_t *va_block,
uvm_page_index_t page_index,
uvm_va_block_context_t *block_context);
// Populate all GPU chunks which cover the given region and page mask.
NV_STATUS uvm_va_block_populate_pages_gpu(uvm_va_block_t *block,
uvm_va_block_retry_t *retry,
uvm_gpu_id_t gpu_id,
uvm_va_block_region_t region,
const uvm_page_mask_t *populate_mask);
// A helper macro for handling allocation-retry
//
// The macro takes a VA block, uvm_va_block_retry_t struct and a function call