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2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb

 kernel/drivers/crypto/ccp/psp-dev.h
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@@ -1,48 +1,30 @@
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+/* SPDX-License-Identifier: GPL-2.0-only */
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 /*
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  * AMD Platform Security Processor (PSP) interface driver
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  *
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- * Copyright (C) 2017 Advanced Micro Devices, Inc.
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+ * Copyright (C) 2017-2019 Advanced Micro Devices, Inc.
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  *
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  * Author: Brijesh Singh <brijesh.singh@amd.com>
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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  */
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 #ifndef __PSP_DEV_H__
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 #define __PSP_DEV_H__
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 #include <linux/device.h>
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-#include <linux/pci.h>
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-#include <linux/spinlock.h>
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-#include <linux/mutex.h>
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 #include <linux/list.h>
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-#include <linux/wait.h>
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-#include <linux/dmapool.h>
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-#include <linux/hw_random.h>
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-#include <linux/bitops.h>
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+#include <linux/bits.h>
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 #include <linux/interrupt.h>
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-#include <linux/irqreturn.h>
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-#include <linux/dmaengine.h>
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-#include <linux/psp-sev.h>
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-#include <linux/miscdevice.h>
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 #include "sp-dev.h"
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-#define PSP_CMD_COMPLETE		BIT(1)
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-
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-#define PSP_CMDRESP_CMD_SHIFT		16
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-#define PSP_CMDRESP_IOC			BIT(0)
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 #define PSP_CMDRESP_RESP		BIT(31)
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 #define PSP_CMDRESP_ERR_MASK		0xffff
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 #define MAX_PSP_NAME_LEN		16
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-struct sev_misc_dev {
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-	struct kref refcount;
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-	struct miscdevice misc;
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-};
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+extern struct psp_device *psp_master;
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+
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+typedef void (*psp_irq_handler_t)(int, void *, unsigned int);
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 struct psp_device {
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 	struct list_head entry;
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@@ -55,16 +37,24 @@
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 	void __iomem *io_regs;
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-	int sev_state;
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-	unsigned int sev_int_rcvd;
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-	wait_queue_head_t sev_int_queue;
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-	struct sev_misc_dev *sev_misc;
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-	struct sev_user_data_status status_cmd_buf;
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-	struct sev_data_init init_cmd_buf;
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+	psp_irq_handler_t sev_irq_handler;
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+	void *sev_irq_data;
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-	u8 api_major;
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-	u8 api_minor;
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-	u8 build;
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+	psp_irq_handler_t tee_irq_handler;
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+	void *tee_irq_data;
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+
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+	void *sev_data;
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+	void *tee_data;
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 };
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+void psp_set_sev_irq_handler(struct psp_device *psp, psp_irq_handler_t handler,
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+			     void *data);
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+void psp_clear_sev_irq_handler(struct psp_device *psp);
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+
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+void psp_set_tee_irq_handler(struct psp_device *psp, psp_irq_handler_t handler,
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+			     void *data);
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+void psp_clear_tee_irq_handler(struct psp_device *psp);
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+
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+struct psp_device *psp_get_master_device(void);
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+
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 #endif /* __PSP_DEV_H */