Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 87 insertions, 0 deletions

diff --git a/drivers/gpu/drm/i915/gt/uc/intel_gsc_uc_heci_cmd_submit.h b/drivers/gpu/drm/i915/gt/uc/intel_gsc_uc_heci_cmd_submit.h
new file mode 100644
index 000000000..09d3fbdad
--- /dev/null
+++ b/drivers/gpu/drm/i915/gt/uc/intel_gsc_uc_heci_cmd_submit.h
@@ -0,0 +1,87 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2023 Intel Corporation
+ */
+
+#ifndef _INTEL_GSC_UC_HECI_CMD_SUBMIT_H_
+#define _INTEL_GSC_UC_HECI_CMD_SUBMIT_H_
+
+#include <linux/types.h>
+
+struct i915_vma;
+struct intel_context;
+struct intel_gsc_uc;
+
+struct intel_gsc_mtl_header {
+	u32 validity_marker;
+#define GSC_HECI_VALIDITY_MARKER 0xA578875A
+
+	u8 heci_client_id;
+#define HECI_MEADDRESS_MKHI 7
+#define HECI_MEADDRESS_PROXY 10
+#define HECI_MEADDRESS_PXP 17
+#define HECI_MEADDRESS_HDCP 18
+
+	u8 reserved1;
+
+	u16 header_version;
+#define MTL_GSC_HEADER_VERSION 1
+
+	/*
+	 * FW allows host to decide host_session handle
+	 * as it sees fit.
+	 * For intertracebility reserving select bits(60-63)
+	 * to differentiate caller-target subsystem
+	 * 0000 - HDCP
+	 * 0001 - PXP Single Session
+	 */
+	u64 host_session_handle;
+#define HOST_SESSION_MASK	REG_GENMASK64(63, 60)
+#define HOST_SESSION_PXP_SINGLE BIT_ULL(60)
+	u64 gsc_message_handle;
+
+	u32 message_size; /* lower 20 bits only, upper 12 are reserved */
+
+	/*
+	 * Flags mask:
+	 * Bit 0: Pending
+	 * Bit 1: Session Cleanup;
+	 * Bits 2-15: Flags
+	 * Bits 16-31: Extension Size
+	 * According to internal spec flags are either input or output
+	 * we distinguish the flags using OUTFLAG or INFLAG
+	 */
+	u32 flags;
+#define GSC_OUTFLAG_MSG_PENDING	BIT(0)
+#define GSC_INFLAG_MSG_CLEANUP	BIT(1)
+
+	u32 status;
+} __packed;
+
+int intel_gsc_uc_heci_cmd_submit_packet(struct intel_gsc_uc *gsc,
+					u64 addr_in, u32 size_in,
+					u64 addr_out, u32 size_out);
+void intel_gsc_uc_heci_cmd_emit_mtl_header(struct intel_gsc_mtl_header *header,
+					   u8 heci_client_id, u32 message_size,
+					   u64 host_session_id);
+
+struct intel_gsc_heci_non_priv_pkt {
+	u64 addr_in;
+	u32 size_in;
+	u64 addr_out;
+	u32 size_out;
+	struct i915_vma *heci_pkt_vma;
+	struct i915_vma *bb_vma;
+};
+
+void
+intel_gsc_uc_heci_cmd_emit_mtl_header(struct intel_gsc_mtl_header *header,
+				      u8 heci_client_id, u32 msg_size,
+				      u64 host_session_id);
+
+int
+intel_gsc_uc_heci_cmd_submit_nonpriv(struct intel_gsc_uc *gsc,
+				     struct intel_context *ce,
+				     struct intel_gsc_heci_non_priv_pkt *pkt,
+				     u32 *cs, int timeout_ms);
+#endif