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| author |   Dan Williams <dan.j.williams@intel.com> | 2024-03-13 00:07:36 -0700 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2024-03-13 00:07:36 -0700 |
| commit | d5c0078033e2adf30e897d985fd29084ecb56b51 (patch) | |
| tree | 4db9109b51457c17972fa262f1ac1bfc80aad9da /include/linux/node.h | |
| parent | lib/firmware_table: Provide buffer length argument to cdat_table_parse() (diff) | |
| parent | cxl/region: Deal with numa nodes not enumerated by SRAT (diff) | |
| download | wireguard-linux-d5c0078033e2adf30e897d985fd29084ecb56b51.tar.xz wireguard-linux-d5c0078033e2adf30e897d985fd29084ecb56b51.zip | |
Merge branch 'for-6.9/cxl-qos' into for-6.9/cxl
Pick up support for CXL "HMEM reporting" for v6.9, i.e. build an HMAT
from CXL CDAT and PCIe switch information.
Diffstat (limited to '')
| -rw-r--r-- | include/linux/node.h | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/include/linux/node.h b/include/linux/node.h index 25b66d705ee2..dfc004e4bee7 100644 --- a/include/linux/node.h +++ b/include/linux/node.h @@ -34,6 +34,18 @@ struct access_coordinate { unsigned int write_latency; }; +/* + * ACCESS_COORDINATE_LOCAL correlates to ACCESS CLASS 0 + * - access_coordinate between target node and nearest initiator node + * ACCESS_COORDINATE_CPU correlates to ACCESS CLASS 1 + * - access_coordinate between target node and nearest CPU node + */ +enum access_coordinate_class { + ACCESS_COORDINATE_LOCAL, + ACCESS_COORDINATE_CPU, + ACCESS_COORDINATE_MAX +}; + enum cache_indexing { NODE_CACHE_DIRECT_MAP, NODE_CACHE_INDEXED, @@ -66,7 +78,7 @@ struct node_cache_attrs { #ifdef CONFIG_HMEM_REPORTING void node_add_cache(unsigned int nid, struct node_cache_attrs *cache_attrs); void node_set_perf_attrs(unsigned int nid, struct access_coordinate *coord, - unsigned access); + enum access_coordinate_class access); #else static inline void node_add_cache(unsigned int nid, struct node_cache_attrs *cache_attrs) @@ -75,7 +87,7 @@ static inline void node_add_cache(unsigned int nid, static inline void node_set_perf_attrs(unsigned int nid, struct access_coordinate *coord, - unsigned access) + enum access_coordinate_class access) { } #endif @@ -137,7 +149,7 @@ extern void unregister_memory_block_under_nodes(struct memory_block *mem_blk); extern int register_memory_node_under_compute_node(unsigned int mem_nid, unsigned int cpu_nid, - unsigned access); + enum access_coordinate_class access); #else static inline void node_dev_init(void) { |