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authorDave Jiang <dave.jiang@intel.com>2023-12-22 01:02:43 +0300
committerDan Williams <dan.j.williams@intel.com>2023-12-23 01:23:13 +0300
commit69b789b64456093819f730b3f9c13a593a5485d9 (patch)
treeb65627946003d8aa47c818423e0826d02e2551bf /drivers/acpi
parent6a954e94d038f41d79c4e04348c95774d1c9337d (diff)
downloadlinux-69b789b64456093819f730b3f9c13a593a5485d9.tar.xz
acpi: numa: Create enum for memory_target access coordinates indexing
Create enums to provide named indexing for the access coordinate array. This is in preparation for adding generic port support which will add a third index in the array to keep the generic port attributes separate from the memory attributes. Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Signed-off-by: Dave Jiang <dave.jiang@intel.com> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Link: https://lore.kernel.org/r/170319616332.2212653.3872789279950567889.stgit@djiang5-mobl3 Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/acpi')
-rw-r--r--drivers/acpi/numa/hmat.c18
1 files changed, 13 insertions, 5 deletions
diff --git a/drivers/acpi/numa/hmat.c b/drivers/acpi/numa/hmat.c
index 83bc2b69401b..ca7aedfbb5f2 100644
--- a/drivers/acpi/numa/hmat.c
+++ b/drivers/acpi/numa/hmat.c
@@ -58,12 +58,18 @@ struct target_cache {
struct node_cache_attrs cache_attrs;
};
+enum {
+ NODE_ACCESS_CLASS_0 = 0,
+ NODE_ACCESS_CLASS_1,
+ NODE_ACCESS_CLASS_MAX,
+};
+
struct memory_target {
struct list_head node;
unsigned int memory_pxm;
unsigned int processor_pxm;
struct resource memregions;
- struct access_coordinate coord[2];
+ struct access_coordinate coord[NODE_ACCESS_CLASS_MAX];
struct list_head caches;
struct node_cache_attrs cache_attrs;
bool registered;
@@ -339,10 +345,12 @@ static __init int hmat_parse_locality(union acpi_subtable_headers *header,
if (mem_hier == ACPI_HMAT_MEMORY) {
target = find_mem_target(targs[targ]);
if (target && target->processor_pxm == inits[init]) {
- hmat_update_target_access(target, type, value, 0);
+ hmat_update_target_access(target, type, value,
+ NODE_ACCESS_CLASS_0);
/* If the node has a CPU, update access 1 */
if (node_state(pxm_to_node(inits[init]), N_CPU))
- hmat_update_target_access(target, type, value, 1);
+ hmat_update_target_access(target, type, value,
+ NODE_ACCESS_CLASS_1);
}
}
}
@@ -726,8 +734,8 @@ static void hmat_register_target(struct memory_target *target)
if (!target->registered) {
hmat_register_target_initiators(target);
hmat_register_target_cache(target);
- hmat_register_target_perf(target, 0);
- hmat_register_target_perf(target, 1);
+ hmat_register_target_perf(target, NODE_ACCESS_CLASS_0);
+ hmat_register_target_perf(target, NODE_ACCESS_CLASS_1);
target->registered = true;
}
mutex_unlock(&target_lock);