[PATCH v2 1/6] drm/xe/guc: Add VF2GUC_MATCH_VERSION to ABI

[Michal Wajdeczko]

In upcoming patches we will add a version negotiation between
the VF driver and the GuC firmware. Add necessary definitions
to our GuC firmware ABI header.

Reviewed-by: Piotr Piórkowski <piotr.piorkowski at intel.com>
Signed-off-by: Michal Wajdeczko <michal.wajdeczko at intel.com>
---
v2: explicitly refer to MMIO HXG Message (Piotr)
---
 .../gpu/drm/xe/abi/guc_actions_sriov_abi.h    | 67 +++++++++++++++++++
 1 file changed, 67 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 c1ad09b36453..fb1c402a1cb3 100644
--- a/drivers/gpu/drm/xe/abi/guc_actions_sriov_abi.h
+++ b/drivers/gpu/drm/xe/abi/guc_actions_sriov_abi.h
@@ -213,6 +213,73 @@
 #define   GUC_PF_NOTIFY_VF_PAUSE_DONE			3u
 #define   GUC_PF_NOTIFY_VF_FIXUP_DONE			4u
 
+/**
+ * DOC: VF2GUC_MATCH_VERSION
+ *
+ * This action is used to match VF interface version used by VF and GuC.
+ *
+ * This message must be sent as `MMIO 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_VF2GUC_MATCH_VERSION` = 0x5500         |
+ *  +---+-------+--------------------------------------------------------------+
+ *  | 1 | 31:24 | **BRANCH** - branch ID of the VF interface                   |
+ *  |   |       | (use BRANCH_ANY to request latest version supported by GuC)  |
+ *  |   +-------+--------------------------------------------------------------+
+ *  |   | 23:16 | **MAJOR** - major version of the VF interface                |
+ *  |   |       | (use MAJOR_ANY to request latest version supported by GuC)   |
+ *  |   +-------+--------------------------------------------------------------+
+ *  |   |  15:8 | **MINOR** - minor version of the VF interface                |
+ *  |   |       | (use MINOR_ANY to request latest version supported by GuC)   |
+ *  |   +-------+--------------------------------------------------------------+
+ *  |   |   7:0 | **MBZ**                                                      |
+ *  +---+-------+--------------------------------------------------------------+
+ *
+ *  +---+-------+--------------------------------------------------------------+
+ *  |   | Bits  | Description                                                  |
+ *  +===+=======+==============================================================+
+ *  | 0 |    31 | ORIGIN = GUC_HXG_ORIGIN_GUC_                                 |
+ *  |   +-------+--------------------------------------------------------------+
+ *  |   | 30:28 | TYPE = GUC_HXG_TYPE_RESPONSE_SUCCESS_                        |
+ *  |   +-------+--------------------------------------------------------------+
+ *  |   |  27:0 | DATA0 = MBZ                                                  |
+ *  +---+-------+--------------------------------------------------------------+
+ *  | 1 | 31:24 | **BRANCH** - branch ID of the VF interface                   |
+ *  |   +-------+--------------------------------------------------------------+
+ *  |   | 23:16 | **MAJOR** - major version of the VF interface                |
+ *  |   +-------+--------------------------------------------------------------+
+ *  |   |  15:8 | **MINOR** - minor version of the VF interface                |
+ *  |   +-------+--------------------------------------------------------------+
+ *  |   |   7:0 | **PATCH** - patch version of the VF interface                |
+ *  +---+-------+--------------------------------------------------------------+
+ */
+#define GUC_ACTION_VF2GUC_MATCH_VERSION			0x5500u
+
+#define VF2GUC_MATCH_VERSION_REQUEST_MSG_LEN		(GUC_HXG_REQUEST_MSG_MIN_LEN + 1u)
+#define VF2GUC_MATCH_VERSION_REQUEST_MSG_0_MBZ		GUC_HXG_REQUEST_MSG_0_DATA0
+#define VF2GUC_MATCH_VERSION_REQUEST_MSG_1_BRANCH	(0xffu << 24)
+#define   GUC_VERSION_BRANCH_ANY			0
+#define VF2GUC_MATCH_VERSION_REQUEST_MSG_1_MAJOR	(0xffu << 16)
+#define   GUC_VERSION_MAJOR_ANY				0
+#define VF2GUC_MATCH_VERSION_REQUEST_MSG_1_MINOR	(0xffu << 8)
+#define   GUC_VERSION_MINOR_ANY				0
+#define VF2GUC_MATCH_VERSION_REQUEST_MSG_1_MBZ		(0xffu << 0)
+
+#define VF2GUC_MATCH_VERSION_RESPONSE_MSG_LEN		(GUC_HXG_RESPONSE_MSG_MIN_LEN + 1u)
+#define VF2GUC_MATCH_VERSION_RESPONSE_MSG_0_MBZ		GUC_HXG_RESPONSE_MSG_0_DATA0
+#define VF2GUC_MATCH_VERSION_RESPONSE_MSG_1_BRANCH	(0xffu << 24)
+#define VF2GUC_MATCH_VERSION_RESPONSE_MSG_1_MAJOR	(0xffu << 16)
+#define VF2GUC_MATCH_VERSION_RESPONSE_MSG_1_MINOR	(0xffu << 8)
+#define VF2GUC_MATCH_VERSION_RESPONSE_MSG_1_PATCH	(0xffu << 0)
+
 /**
  * DOC: PF2GUC_UPDATE_VGT_POLICY
  *
-- 
2.43.0