[PATCH 1/2] drm/xe/guc: Add VF_STATE_NOTIFY and VF_CONTROL to ABI
Michal Wajdeczko
michal.wajdeczko at intel.com
Tue Mar 26 19:15:17 UTC 2024
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 at intel.com>
---
.../gpu/drm/xe/abi/guc_actions_sriov_abi.h | 94 +++++++++++++++++++
1 file changed, 94 insertions(+)
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 5496a5890847..f4914cf8be08 100644
--- 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
--
2.43.0
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