03af91242c
Remove some unused #defines for register offsets that are not used. This will lessen the changes required when register offsets change between versions of the device. Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Acked-by: Gary R Hook <gary.hook@amd.com> Reviewed-by: Brijesh Singh <brijesh.singh@amd.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
80 lines
1.8 KiB
C
80 lines
1.8 KiB
C
/*
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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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*
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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/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_C2PMSG(_num) ((_num) << 2)
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#define PSP_CMDRESP PSP_C2PMSG(32)
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#define PSP_CMDBUFF_ADDR_LO PSP_C2PMSG(56)
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#define PSP_CMDBUFF_ADDR_HI PSP_C2PMSG(57)
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#define PSP_FEATURE_REG PSP_C2PMSG(63)
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#define PSP_CMD_COMPLETE BIT(1)
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#define PSP_P2CMSG_INTEN 0x0110
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#define PSP_P2CMSG_INTSTS 0x0114
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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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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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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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u8 api_major;
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u8 api_minor;
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u8 build;
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};
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#endif /* __PSP_DEV_H */
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