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-rw-r--r--drivers/crypto/ccp/sev-dev.h63
1 files changed, 63 insertions, 0 deletions
diff --git a/drivers/crypto/ccp/sev-dev.h b/drivers/crypto/ccp/sev-dev.h
new file mode 100644
index 000000000..666c21eb8
--- /dev/null
+++ b/drivers/crypto/ccp/sev-dev.h
@@ -0,0 +1,63 @@
+/* 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;
+
+ u8 api_major;
+ u8 api_minor;
+ u8 build;
+
+ void *cmd_buf;
+};
+
+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 */