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soc: qcom: add secure processor subsystem (spss) utils driver

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The spss-util driver provides utilities required for the Secure
Processor Subsystem (SPSS). It provides the fuse state for key selection
and the SPSS HW version.

Add snapshot for spss-util driver from msm-4.19 commit a7793b40172f
("soc: qcom: spss_utils: fix spss SSR when IAR not active").

Change-Id: I6531cae56cec9d062fa03c573bcd70207d10f1a2
Signed-off-by: Konstantin Dorfman <kdorfman@codeaurora.org>
This commit is contained in:
Konstantin Dorfman 2019-09-25 14:21:33 +03:00
commit d50cfdc312
4 changed files with 1104 additions and 0 deletions
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30
include/uapi/linux/spss_utils.h Normal file
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/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
/*
* Copyright (c) 2019, The Linux Foundation. All rights reserved.
*/
#ifndef _UAPI_SPSS_UTILS_H_
#define _UAPI_SPSS_UTILS_H_
#include <linux/types.h> /* uint32_t, bool */
#include <linux/ioctl.h> /* ioctl() */
/**
* @brief - Secure Processor Utilities interface to user space
*
* The kernel spss_utils driver interface to user space via IOCTL
* and SYSFS (device attributes).
*/
#define SPSS_IOC_MAGIC 'S'
#define NUM_SPU_UEFI_APPS 3
struct spss_ioc_set_fw_cmac {
uint32_t cmac[4];
uint32_t app_cmacs[NUM_SPU_UEFI_APPS][4];
} __packed;
#define SPSS_IOC_SET_FW_CMAC \
_IOWR(SPSS_IOC_MAGIC, 1, struct spss_ioc_set_fw_cmac)
#endif /* _UAPI_SPSS_UTILS_H_ */