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 <piotr.piorkowski@intel.com>
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240514190015.2172-7-michal.wajdeczko@intel.com

diff --git a/drivers/gpu/drm/xe/abi/guc_actions_sriov_abi.h b/drivers/gpu/drm/xe/abi/guc_actions_sriov_abi.h
index c1ad09b3645314a12dfe8ac77845d80ba29d8198..f1aa7f88e2179cd4f00c55d60555caa0865d1850 100644 (file)
--- a/drivers/gpu/drm/xe/abi/guc_actions_sriov_abi.h
+++ b/drivers/gpu/drm/xe/abi/guc_actions_sriov_abi.h
@@ -171,6 +171,36 @@
 #define VF2GUC_RELAY_TO_PF_REQUEST_MSG_n_RELAY_DATAx   GUC_HXG_REQUEST_MSG_n_DATAn
 #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
  *