diff mbox series

[v3,5/6] acpi: numa: Add setting of generic port system locality attributes

Message ID 168686425375.2950427.10184250250033053574.stgit@djiang5-mobl3
State New
Headers show
Series acpi: numa: add target support for generic port to HMAT parsing | expand

Commit Message

Dave Jiang June 15, 2023, 9:24 p.m. UTC 
Add generic port support for the parsing of HMAT system locality sub-table.
The attributes will be added to the third array member of the access
coordinates in order to not mix with the existing memory attributes. It only
provides the system locality attributes from initator to the generic port
targets and is missing the rest of the data to the actual memory device.

The complete attributes will be updated when a memory device is
attached and the system locality information is calculated end to end.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>

---
v3:
- Drop continue after setting gen target access data. (Jonathan)
v2:
- Fix commit log runon sentence. (Jonathan)
- Add a check for memory type for skipping other access levels. (Jonathan)
- NODE_ACCESS_CLASS_GENPORT to NODE_ACCESS_CLASS_GENPORT_SINK. (Jonathan)
---
 drivers/acpi/numa/hmat.c |    4 ++++
 1 file changed, 4 insertions(+)
diff mbox series

Patch

diff --git a/drivers/acpi/numa/hmat.c b/drivers/acpi/numa/hmat.c
index cb240f5233fe..32b951cd5ee4 100644
--- a/drivers/acpi/numa/hmat.c
+++ b/drivers/acpi/numa/hmat.c
@@ -60,6 +60,7 @@  struct target_cache {
 enum {
 	NODE_ACCESS_CLASS_0 = 0,
 	NODE_ACCESS_CLASS_1,
+	NODE_ACCESS_CLASS_GENPORT_SINK,
 	NODE_ACCESS_CLASS_MAX,
 };
 
@@ -329,6 +330,9 @@  static __init void hmat_update_target(unsigned int tgt_pxm, unsigned int init_px
 		return;
 
 	if (target && target->processor_pxm == init_pxm) {
+		if (*target->device_handle)
+			hmat_update_target_access(target, type, value,
+						  NODE_ACCESS_CLASS_GENPORT_SINK);
 		hmat_update_target_access(target, type, value,
 					  NODE_ACCESS_CLASS_0);
 		/* If the node has a CPU, update access 1 */