GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

2026-09-06 03:52:57 +08:00
commit b1928b41c0
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+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (c) 2018 Linaro Limited
+ */
+
+#ifndef __OPTEE_PRIVATE_H
+#define __OPTEE_PRIVATE_H
+
+#include <tee.h>
+#include <log.h>
+
+/**
+ * struct optee_private - OP-TEE driver private data
+ * @rpmb_mmc:		mmc device for the RPMB partition
+ * @rpmb_dev_id:	mmc device id matching @rpmb_mmc
+ * @rpmb_original_part:	the previosly active partition on the mmc device,
+ *			used to restore active the partition when the RPMB
+ *			accesses are finished
+ */
+struct optee_private {
+	struct mmc *rpmb_mmc;
+	int rpmb_dev_id;
+	int rpmb_original_part;
+};
+
+struct optee_msg_arg;
+
+void optee_suppl_cmd(struct udevice *dev, struct tee_shm *shm_arg,
+		     void **page_list);
+
+#ifdef CONFIG_SUPPORT_EMMC_RPMB
+/**
+ * optee_suppl_cmd_rpmb() - route RPMB frames to mmc
+ * @dev:	device with the selected RPMB partition
+ * @arg:	OP-TEE message holding the frames to transmit to the mmc
+ *		and space for the response frames.
+ *
+ * Routes signed (MACed) RPMB frames from OP-TEE Secure OS to MMC and vice
+ * versa to manipulate the RPMB partition.
+ */
+void optee_suppl_cmd_rpmb(struct udevice *dev, struct optee_msg_arg *arg);
+
+/**
+ * optee_suppl_rpmb_release() - release mmc device
+ * @dev:	mmc device
+ *
+ * Releases the mmc device and restores the previously selected partition.
+ */
+void optee_suppl_rpmb_release(struct udevice *dev);
+#else
+static inline void optee_suppl_cmd_rpmb(struct udevice *dev,
+					struct optee_msg_arg *arg)
+{
+	debug("OPTEE_MSG_RPC_CMD_RPMB not implemented\n");
+	arg->ret = TEE_ERROR_NOT_IMPLEMENTED;
+}
+
+static inline void optee_suppl_rpmb_release(struct udevice *dev)
+{
+}
+#endif
+
+void *optee_alloc_and_init_page_list(void *buf, ulong len, u64 *phys_buf_ptr);
+
+#endif /* __OPTEE_PRIVATE_H */