Fix minor errors in spec, add JSON specification.
diff --git a/specification/json/sections/cper-generic-dmar.json b/specification/json/sections/cper-generic-dmar.json
new file mode 100644
index 0000000..e8f9d0e
--- /dev/null
+++ b/specification/json/sections/cper-generic-dmar.json
@@ -0,0 +1,45 @@
+{
+ "$id": "cper-json-generic-dmar-section",
+ "$schema": "https://json-schema.org/draft/2020-12/schema",
+ "type": "object",
+ "required": ["requesterID", "segmentNumber", "faultReason", "accessType", "addressType", "architectureType", "deviceAddress"],
+ "additionalProperties": false,
+ "properties": {
+ "requesterID": {
+ "type": "integer"
+ },
+ "segmentNumber": {
+ "type": "integer"
+ },
+ "faultReason": {
+ "type": "object",
+ "required": ["value", "name", "description"],
+ "properties": {
+ "value": {
+ "type": "integer"
+ },
+ "name": {
+ "type": "string"
+ },
+ "description": {
+ "type": "string"
+ }
+ }
+ },
+ "accessType": {
+ "type": "object",
+ "$ref": "../common/cper-json-nvp.json"
+ },
+ "addressType": {
+ "type": "object",
+ "$ref": "../common/cper-json-nvp.json"
+ },
+ "architectureType": {
+ "type": "object",
+ "$ref": "../common/cper-json-nvp.json"
+ },
+ "deviceAddress": {
+ "type" : "integer"
+ }
+ }
+}
\ No newline at end of file