[PATCH v2 2/6] cxl/events: Add Component Identifier formatting for CXL spec rev 3.1

From: shiju.jose
Date: Tue Oct 22 2024 - 06:59:51 EST


From: Shiju Jose <shiju.jose@xxxxxxxxxx>

Add Component Identifier formatting for CXL spec rev 3.1, Section
8.2.9.2.1, Table 8-44.

Signed-off-by: Shiju Jose <shiju.jose@xxxxxxxxxx>
---
drivers/cxl/core/trace.h | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)

diff --git a/drivers/cxl/core/trace.h b/drivers/cxl/core/trace.h
index 7305974e2301..81908072c6f3 100644
--- a/drivers/cxl/core/trace.h
+++ b/drivers/cxl/core/trace.h
@@ -268,6 +268,26 @@ TRACE_EVENT(cxl_generic_event,
{ CXL_DPA_NOT_REPAIRABLE, "NOT_REPAIRABLE" } \
)

+/*
+ * Component ID Format
+ * CXL 3.1 section 8.2.9.2.1; Table 8-44
+ */
+#define CXL_PLDM_COMPONENT_ID_ENTITY_VALID BIT(0)
+#define CXL_PLDM_COMPONENT_ID_RES_VALID BIT(1)
+
+#define comp_id_pldm_flags(flags) __print_flags(flags, " | ", \
+ { CXL_PLDM_COMPONENT_ID_ENTITY_VALID, "PLDM_Entity_ID[5:0] " }, \
+ { CXL_PLDM_COMPONENT_ID_RES_VALID, "Resource_ID[9:6] " } \
+)
+
+#define cxl_print_component_id(flags, valid_comp_id, valid_id_format, comp_id) \
+ (flags & valid_comp_id && flags & valid_id_format) ? \
+ (comp_id[0] & (CXL_PLDM_COMPONENT_ID_ENTITY_VALID | CXL_PLDM_COMPONENT_ID_RES_VALID)) ? \
+ __print_hex(&comp_id[1], 10) : (comp_id[0] & CXL_PLDM_COMPONENT_ID_ENTITY_VALID) ? \
+ __print_hex(&comp_id[1], 6) : (comp_id[0] & CXL_PLDM_COMPONENT_ID_RES_VALID) ? \
+ __print_hex(&comp_id[7], 4) : __print_hex(comp_id, CXL_EVENT_GEN_MED_COMP_ID_SIZE) : \
+ __print_hex(comp_id, CXL_EVENT_GEN_MED_COMP_ID_SIZE)
+
/*
* General Media Event Record - GMER
* CXL rev 3.0 Section 8.2.9.2.1.1; Table 8-43
--
2.34.1