Revision ccc1d052eff9f3cfe59d201263903fe1d46c79a5 authored by Linus Torvalds on 29 September 2020, 17:35:42 UTC, committed by Linus Torvalds on 29 September 2020, 17:35:42 UTC
Pull dmaengine fix from Vinod Koul: "Fix dmatest for misconfigured channel" * tag 'dmaengine-fix-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: dmaengine: dmatest: Prevent to run on misconfigured channel
sev-dev.h
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* AMD Platform Security Processor (PSP) interface driver
*
* Copyright (C) 2017-2019 Advanced Micro Devices, Inc.
*
* Author: Brijesh Singh <brijesh.singh@amd.com>
*/
#ifndef __SEV_DEV_H__
#define __SEV_DEV_H__
#include <linux/device.h>
#include <linux/spinlock.h>
#include <linux/mutex.h>
#include <linux/list.h>
#include <linux/wait.h>
#include <linux/dmapool.h>
#include <linux/hw_random.h>
#include <linux/bitops.h>
#include <linux/interrupt.h>
#include <linux/irqreturn.h>
#include <linux/dmaengine.h>
#include <linux/psp-sev.h>
#include <linux/miscdevice.h>
#include <linux/capability.h>
#define SEV_CMD_COMPLETE BIT(1)
#define SEV_CMDRESP_CMD_SHIFT 16
#define SEV_CMDRESP_IOC BIT(0)
struct sev_misc_dev {
struct kref refcount;
struct miscdevice misc;
};
struct sev_device {
struct device *dev;
struct psp_device *psp;
void __iomem *io_regs;
struct sev_vdata *vdata;
int state;
unsigned int int_rcvd;
wait_queue_head_t int_queue;
struct sev_misc_dev *misc;
struct sev_user_data_status status_cmd_buf;
struct sev_data_init init_cmd_buf;
u8 api_major;
u8 api_minor;
u8 build;
};
int sev_dev_init(struct psp_device *psp);
void sev_dev_destroy(struct psp_device *psp);
void sev_pci_init(void);
void sev_pci_exit(void);
#endif /* __SEV_DEV_H */
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