drm/xe/guc: Add GUC2PF_ADVERSE_EVENT to ABI

When thresholds used to monitor VFs activities are configured,
then GuC may send GUC2PF_ADVERSE_EVENT messages informing the
PF driver about exceeded thresholds. Add necessary definitions
to our GuC firmware ABI header.

Reviewed-by: Piotr Piórkowski <[e-mail]>
Signed-off-by: Michal Wajdeczko <[e-mail]>
Link: https://patchwork.freedesktop.org/patch/msgid/[e-mail]

drivers/gpu/drm/xe/abi/guc_actions_sriov_abi.h

···
 #define VF2GUC_RELAY_TO_PF_REQUEST_MSG_NUM_RELAY_DATA	GUC_RELAY_MSG_MAX_LEN
 
 /**
+ * DOC: GUC2PF_ADVERSE_EVENT
+ *
+ * This message is used by the GuC to notify PF about adverse events.
+ *
+ * This G2H message must be sent as `CTB HXG Message`_.
+ *
+ *  +---+-------+--------------------------------------------------------------+
+ *  |   | Bits  | Description                                                  |
+ *  +===+=======+==============================================================+
+ *  | 0 |    31 | ORIGIN = GUC_HXG_ORIGIN_GUC_                                 |
+ *  |   +-------+--------------------------------------------------------------+
+ *  |   | 30:28 | TYPE = GUC_HXG_TYPE_EVENT_                                   |
+ *  |   +-------+--------------------------------------------------------------+
+ *  |   | 27:16 | DATA0 = MBZ                                                  |
+ *  |   +-------+--------------------------------------------------------------+
+ *  |   |  15:0 | ACTION = _`GUC_ACTION_GUC2PF_ADVERSE_EVENT` = 0x5104         |
+ *  +---+-------+--------------------------------------------------------------+
+ *  | 1 |  31:0 | DATA1 = **VFID** - VF identifier                             |
+ *  +---+-------+--------------------------------------------------------------+
+ *  | 2 |  31:0 | DATA2 = **THRESHOLD** - key of the exceeded threshold        |
+ *  +---+-------+--------------------------------------------------------------+
+ */
+#define GUC_ACTION_GUC2PF_ADVERSE_EVENT			0x5104
+
+#define GUC2PF_ADVERSE_EVENT_EVENT_MSG_LEN		(GUC_HXG_EVENT_MSG_MIN_LEN + 2u)
+#define GUC2PF_ADVERSE_EVENT_EVENT_MSG_0_MBZ		GUC_HXG_EVENT_MSG_0_DATA0
+#define GUC2PF_ADVERSE_EVENT_EVENT_MSG_1_VFID		GUC_HXG_EVENT_MSG_n_DATAn
+#define GUC2PF_ADVERSE_EVENT_EVENT_MSG_2_THRESHOLD	GUC_HXG_EVENT_MSG_n_DATAn
+
+/**
  * DOC: GUC2PF_VF_STATE_NOTIFY
  *
  * The GUC2PF_VF_STATE_NOTIFY message is used by the GuC to notify PF about change