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https://github.com/LineageOS/android_kernel_fxtec_sm6115.git
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d19250c9cd
Add IOCTL for wait/signal spss events. Change-Id: Ia8ad37a1632de21e6ae4e70013ca72b4b35c68ba Signed-off-by: Amir Samuelov <amirs@codeaurora.org>
58 lines
1.5 KiB
C
58 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
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/*
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* Copyright (c) 2019-2020, The Linux Foundation. All rights reserved.
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*/
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#ifndef _UAPI_SPSS_UTILS_H_
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#define _UAPI_SPSS_UTILS_H_
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#include <linux/types.h> /* uint32_t, bool */
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#include <linux/ioctl.h> /* ioctl() */
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/**
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* @brief - Secure Processor Utilities interface to user space
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*
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* The kernel spss_utils driver interface to user space via IOCTL
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* and SYSFS (device attributes).
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*/
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#define SPSS_IOC_MAGIC 'S'
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/* ---------- set fw cmac --------------------------------- */
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#define NUM_SPU_UEFI_APPS 3
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struct spss_ioc_set_fw_cmac {
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uint32_t cmac[4];
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uint32_t app_cmacs[NUM_SPU_UEFI_APPS][4];
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} __packed;
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#define SPSS_IOC_SET_FW_CMAC \
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_IOWR(SPSS_IOC_MAGIC, 1, struct spss_ioc_set_fw_cmac)
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/* ---------- wait for event ------------------------------ */
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#define SPSS_NUM_EVENTS 8
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#define EVENT_STATUS_SIGNALED 0xAAAA
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#define EVENT_STATUS_TIMEOUT 0xEEE1
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#define EVENT_STATUS_ABORTED 0xEEE2
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struct spss_ioc_wait_for_event {
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uint32_t event_id; /* input */
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uint32_t timeout_sec; /* input */
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uint32_t status; /* output */
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} __packed;
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#define SPSS_IOC_WAIT_FOR_EVENT \
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_IOWR(SPSS_IOC_MAGIC, 2, struct spss_ioc_wait_for_event)
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/* ---------- signal event ------------------------------ */
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struct spss_ioc_signal_event {
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uint32_t event_id; /* input */
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uint32_t status; /* output */
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} __packed;
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#define SPSS_IOC_SIGNAL_EVENT \
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_IOWR(SPSS_IOC_MAGIC, 3, struct spss_ioc_signal_event)
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#endif /* _UAPI_SPSS_UTILS_H_ */
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