/* * AMD Platform Security Processor (PSP) interface driver * * Copyright (C) 2017 Advanced Micro Devices, Inc. * * Author: Brijesh Singh <brijesh.singh@amd.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #ifndef __PSP_DEV_H__ #define __PSP_DEV_H__ #include <linux/device.h> #include <linux/pci.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 "sp-dev.h" #define PSP_C2PMSG(_num) ((_num) << 2) #define PSP_CMDRESP PSP_C2PMSG(32) #define PSP_CMDBUFF_ADDR_LO PSP_C2PMSG(56) #define PSP_CMDBUFF_ADDR_HI PSP_C2PMSG(57) #define PSP_FEATURE_REG PSP_C2PMSG(63) #define PSP_P2CMSG(_num) ((_num) << 2) #define PSP_CMD_COMPLETE_REG 1 #define PSP_CMD_COMPLETE PSP_P2CMSG(PSP_CMD_COMPLETE_REG) #define PSP_P2CMSG_INTEN 0x0110 #define PSP_P2CMSG_INTSTS 0x0114 #define PSP_C2PMSG_ATTR_0 0x0118 #define PSP_C2PMSG_ATTR_1 0x011c #define PSP_C2PMSG_ATTR_2 0x0120 #define PSP_C2PMSG_ATTR_3 0x0124 #define PSP_P2CMSG_ATTR_0 0x0128 #define PSP_CMDRESP_CMD_SHIFT 16 #define PSP_CMDRESP_IOC BIT(0) #define PSP_CMDRESP_RESP BIT(31) #define PSP_CMDRESP_ERR_MASK 0xffff #define MAX_PSP_NAME_LEN 16 struct sev_misc_dev { struct kref refcount; struct miscdevice misc; }; struct psp_device { struct list_head entry; struct psp_vdata *vdata; char name[MAX_PSP_NAME_LEN]; struct device *dev; struct sp_device *sp; void __iomem *io_regs; int sev_state; unsigned int sev_int_rcvd; wait_queue_head_t sev_int_queue; struct sev_misc_dev *sev_misc; struct sev_user_data_status status_cmd_buf; struct sev_data_init init_cmd_buf; }; #endif /* __PSP_DEV_H */Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Brijesh Singh | 212 | 100.00% | 2 | 100.00% |
| Total | 212 | 100.00% | 2 | 100.00% |