drm/xe/guc: Add VF_STATE_NOTIFY and VF_CONTROL to ABI

In upcoming patches the PF driver will add support to handle the
GUC2PF_VF_STATE_NOTIFY events and to send PF2GUC_VF_CONTROL request
messages.  Add necessary definitions to our GuC firmware ABI header.

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Piotr Piórkowski <piotr.piorkowski@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240326191518.363-2-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 fe7a93ce3aa59f0dc7e88949a8c6f421e5d71927..12ee5e9e831fb1ce04bd7ca6b6ac4810964717b5 100644 (file)
--- a/drivers/gpu/drm/xe/abi/guc_actions_sriov_abi.h
+++ b/drivers/gpu/drm/xe/abi/guc_actions_sriov_abi.h
@@ -171,4 +171,98 @@
 #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_VF_STATE_NOTIFY
+ *
+ * The GUC2PF_VF_STATE_NOTIFY message is used by the GuC to notify PF about change
+ * of the VF state.
+ *
+ * This G2H message is 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_VF_STATE_NOTIFY` = 0x5106       |
+ *  +---+-------+--------------------------------------------------------------+
+ *  | 1 |  31:0 | DATA1 = **VFID** - VF identifier                             |
+ *  +---+-------+--------------------------------------------------------------+
+ *  | 2 |  31:0 | DATA2 = **EVENT** - notification event:                      |
+ *  |   |       |                                                              |
+ *  |   |       |   - _`GUC_PF_NOTIFY_VF_ENABLE` = 1 (only if VFID = 0)        |
+ *  |   |       |   - _`GUC_PF_NOTIFY_VF_FLR` = 1                              |
+ *  |   |       |   - _`GUC_PF_NOTIFY_VF_FLR_DONE` = 2                         |
+ *  |   |       |   - _`GUC_PF_NOTIFY_VF_PAUSE_DONE` = 3                       |
+ *  |   |       |   - _`GUC_PF_NOTIFY_VF_FIXUP_DONE` = 4                       |
+ *  +---+-------+--------------------------------------------------------------+
+ */
+#define GUC_ACTION_GUC2PF_VF_STATE_NOTIFY              0x5106u
+
+#define GUC2PF_VF_STATE_NOTIFY_EVENT_MSG_LEN           (GUC_HXG_EVENT_MSG_MIN_LEN + 2u)
+#define GUC2PF_VF_STATE_NOTIFY_EVENT_MSG_0_MBZ         GUC_HXG_EVENT_MSG_0_DATA0
+#define GUC2PF_VF_STATE_NOTIFY_EVENT_MSG_1_VFID                GUC_HXG_EVENT_MSG_n_DATAn
+#define GUC2PF_VF_STATE_NOTIFY_EVENT_MSG_2_EVENT       GUC_HXG_EVENT_MSG_n_DATAn
+#define   GUC_PF_NOTIFY_VF_ENABLE                      1u
+#define   GUC_PF_NOTIFY_VF_FLR                         1u
+#define   GUC_PF_NOTIFY_VF_FLR_DONE                    2u
+#define   GUC_PF_NOTIFY_VF_PAUSE_DONE                  3u
+#define   GUC_PF_NOTIFY_VF_FIXUP_DONE                  4u
+
+/**
+ * DOC: PF2GUC_VF_CONTROL
+ *
+ * The PF2GUC_VF_CONTROL message is used by the PF to trigger VF state change
+ * maintained by the GuC.
+ *
+ * This H2G message must be sent as `CTB HXG Message`_.
+ *
+ *  +---+-------+--------------------------------------------------------------+
+ *  |   | Bits  | Description                                                  |
+ *  +===+=======+==============================================================+
+ *  | 0 |    31 | ORIGIN = GUC_HXG_ORIGIN_HOST_                                |
+ *  |   +-------+--------------------------------------------------------------+
+ *  |   | 30:28 | TYPE = GUC_HXG_TYPE_REQUEST_                                 |
+ *  |   +-------+--------------------------------------------------------------+
+ *  |   | 27:16 | DATA0 = MBZ                                                  |
+ *  |   +-------+--------------------------------------------------------------+
+ *  |   |  15:0 | ACTION = _`GUC_ACTION_PF2GUC_VF_CONTROL_CMD` = 0x5506        |
+ *  +---+-------+--------------------------------------------------------------+
+ *  | 1 |  31:0 | DATA1 = **VFID** - VF identifier                             |
+ *  +---+-------+--------------------------------------------------------------+
+ *  | 2 |  31:0 | DATA2 = **COMMAND** - control command:                       |
+ *  |   |       |                                                              |
+ *  |   |       |   - _`GUC_PF_TRIGGER_VF_PAUSE` = 1                           |
+ *  |   |       |   - _`GUC_PF_TRIGGER_VF_RESUME` = 2                          |
+ *  |   |       |   - _`GUC_PF_TRIGGER_VF_STOP` = 3                            |
+ *  |   |       |   - _`GUC_PF_TRIGGER_VF_FLR_START` = 4                       |
+ *  |   |       |   - _`GUC_PF_TRIGGER_VF_FLR_FINISH` = 5                      |
+ *  +---+-------+--------------------------------------------------------------+
+ *
+ *  +---+-------+--------------------------------------------------------------+
+ *  |   | Bits  | Description                                                  |
+ *  +===+=======+==============================================================+
+ *  | 0 |    31 | ORIGIN = GUC_HXG_ORIGIN_GUC_                                 |
+ *  |   +-------+--------------------------------------------------------------+
+ *  |   | 30:28 | TYPE = GUC_HXG_TYPE_RESPONSE_SUCCESS_                        |
+ *  |   +-------+--------------------------------------------------------------+
+ *  |   |  27:0 | DATA0 = MBZ                                                  |
+ *  +---+-------+--------------------------------------------------------------+
+ */
+#define GUC_ACTION_PF2GUC_VF_CONTROL                   0x5506u
+
+#define PF2GUC_VF_CONTROL_REQUEST_MSG_LEN              (GUC_HXG_EVENT_MSG_MIN_LEN + 2u)
+#define PF2GUC_VF_CONTROL_REQUEST_MSG_0_MBZ            GUC_HXG_EVENT_MSG_0_DATA0
+#define PF2GUC_VF_CONTROL_REQUEST_MSG_1_VFID           GUC_HXG_EVENT_MSG_n_DATAn
+#define PF2GUC_VF_CONTROL_REQUEST_MSG_2_COMMAND                GUC_HXG_EVENT_MSG_n_DATAn
+#define   GUC_PF_TRIGGER_VF_PAUSE                      1u
+#define   GUC_PF_TRIGGER_VF_RESUME                     2u
+#define   GUC_PF_TRIGGER_VF_STOP                       3u
+#define   GUC_PF_TRIGGER_VF_FLR_START                  4u
+#define   GUC_PF_TRIGGER_VF_FLR_FINISH                 5u
+
 #endif