Adding upstream version 6.6.15.upstream/6.6.15

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

1 files changed, 56 insertions, 0 deletions

diff --git a/drivers/crypto/ccp/dbc.h b/drivers/crypto/ccp/dbc.h
new file mode 100644
index 0000000000..e963099ca3
--- /dev/null
+++ b/drivers/crypto/ccp/dbc.h
@@ -0,0 +1,56 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * AMD Platform Security Processor (PSP) Dynamic Boost Control support
+ *
+ * Copyright (C) 2023 Advanced Micro Devices, Inc.
+ *
+ * Author: Mario Limonciello <mario.limonciello@amd.com>
+ */
+
+#ifndef __DBC_H__
+#define __DBC_H__
+
+#include <uapi/linux/psp-dbc.h>
+
+#include <linux/device.h>
+#include <linux/miscdevice.h>
+#include <linux/psp-platform-access.h>
+
+#include "psp-dev.h"
+
+struct psp_dbc_device {
+	struct device *dev;
+
+	union dbc_buffer *mbox;
+
+	struct mutex ioctl_mutex;
+
+	struct miscdevice char_dev;
+};
+
+struct dbc_nonce {
+	struct psp_req_buffer_hdr	header;
+	struct dbc_user_nonce		user;
+} __packed;
+
+struct dbc_set_uid {
+	struct psp_req_buffer_hdr	header;
+	struct dbc_user_setuid		user;
+} __packed;
+
+struct dbc_param {
+	struct psp_req_buffer_hdr	header;
+	struct dbc_user_param		user;
+} __packed;
+
+union dbc_buffer {
+	struct psp_request		req;
+	struct dbc_nonce		dbc_nonce;
+	struct dbc_set_uid		dbc_set_uid;
+	struct dbc_param		dbc_param;
+};
+
+void dbc_dev_destroy(struct psp_device *psp);
+int dbc_dev_init(struct psp_device *psp);
+
+#endif /* __DBC_H */