chore(virtio-pmem): update swagger file

Add description of pmem endpoint.

Signed-off-by: Egor Lazarchuk <[email protected]>

Author: ShadowCurse

src/firecracker/swagger/firecracker.yaml

@@ -282,6 +282,38 @@ paths:
           schema:
             $ref: "#/definitions/Error"
 
+  /pmem/{id}:
+    put:
+      summary: Creates or updates a pmem device. Pre-boot only.
+      description:
+        Creates new pmem device with ID specified by id parameter.
+        If a pmem device with the specified ID already exists, updates its state based on new input.
+        Will fail if update is not possible.
+      operationId: putGuestPmemByID
+      parameters:
+        - name: id
+          in: path
+          description: The id of the guest pmem device
+          required: true
+          type: string
+        - name: body
+          in: body
+          description: Guest pmem device properties
+          required: true
+          schema:
+            $ref: "#/definitions/Pmem"
+      responses:
+        204:
+          description: Pmem device is created/updated
+        400:
+          description: Pmem device cannot be created/updated due to bad input
+          schema:
+            $ref: "#/definitions/Error"
+        default:
+          description: Internal server error.
+          schema:
+            $ref: "#/definitions/Error"
+
   /logger:
     put:
       summary: Initializes the logger by specifying a named pipe or a file for the logs output.
@@ -934,6 +966,20 @@ definitions:
           Path to the socket of vhost-user-block backend.
           This field is required for vhost-user-block config should be omitted for virtio-block configuration.
 
+  Pmem:
+    type: object
+    required:
+      - id
+      - is_root_device
+      - shared
+    properties:
+      id:
+        type: string
+      is_root_device:
+        type: boolean
+      shared:
+        type: boolean
+
   Error:
     type: object
     properties: