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60 lines
1.3 KiB
60 lines
1.3 KiB
/* 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) 2017-2019 Advanced Micro Devices, Inc. |
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* |
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* Author: Brijesh Singh <[email protected]> |
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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/list.h> |
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#include <linux/bits.h> |
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#include <linux/interrupt.h> |
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#include "sp-dev.h" |
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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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extern struct psp_device *psp_master; |
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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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struct psp_vdata *vdata; |
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char name[MAX_PSP_NAME_LEN]; |
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struct device *dev; |
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struct sp_device *sp; |
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void __iomem *io_regs; |
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psp_irq_handler_t sev_irq_handler; |
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void *sev_irq_data; |
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psp_irq_handler_t tee_irq_handler; |
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void *tee_irq_data; |
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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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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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struct psp_device *psp_get_master_device(void); |
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#endif /* __PSP_DEV_H */
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