0675c71004
Add snapshot of profiler driver from msm-4.4. This snapshot is taken as of msm-4.4 commit bf01369440c0 (profiler: Add a communication interface between userspace and tz services) Refine code for llcc support and use API in kernel 5.4. Change-Id: Icc545138781c26a82ae6234965cb975b11b7079e Signed-off-by: Lei wang <leiwan@codeaurora.org>
97 lines
2.3 KiB
C
97 lines
2.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2017, 2020-2021 The Linux Foundation. All rights reserved.
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*/
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#ifndef __PROFILER_H_
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#define __PROFILER_H_
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struct profiler_bw_cntrs_req {
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uint32_t llcc_total;
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uint32_t llcc_rd;
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uint32_t llcc_wr;
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uint32_t cabo_total;
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uint32_t cabo_rd;
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uint32_t cabo_wr;
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uint32_t cmd;
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};
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struct compat_profiler_bw_cntrs_req {
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compat_uint_t llcc_total;
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compat_uint_t llcc_rd;
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compat_uint_t llcc_wr;
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compat_uint_t cabo_total;
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compat_uint_t cabo_rd;
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compat_uint_t cabo_wr;
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compat_uint_t cmd;
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};
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/* Error types */
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enum tz_bw_svc_err {
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E_BW_SUCCESS = 0, /* Operation successful */
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E_BW_FAILURE = 1, /* Operation failed due to unknown err */
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E_BW_NULL_PARAM = 2, /* Null Parameter */
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E_BW_INVALID_ARG = 3, /* Arg is not recognized */
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E_BW_BAD_ADDRESS = 4, /* Ptr arg is bad address */
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E_BW_INVALID_ARG_LEN = 5, /* Arg length is wrong */
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E_BW_NOT_SUPPORTED = 6, /* Operation not supported */
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E_BW_NOT_PERMITTED = 7, /* Operation not permitted on platform */
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E_BW_TIME_LOCKED = 8, /* Operation not permitted right now */
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E_BW_RESERVED = 0x7FFFFFFF
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};
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#define TZ_BW_SVC_VERSION (1)
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#define PROFILER_IOC_MAGIC 0x98
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#define PROFILER_IOCTL_GET_BW_INFO \
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_IOWR(PROFILER_IOC_MAGIC, 1, struct profiler_bw_cntrs_req)
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#define COMPAT_PROFILER_IOCTL_GET_BW_INFO \
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_IOWR(PROFILER_IOC_MAGIC, 1, struct compat_profiler_bw_cntrs_req)
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/* Command types */
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enum tz_bw_svc_cmd {
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TZ_BW_SVC_START_ID = 0x00000001,
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TZ_BW_SVC_GET_ID = 0x00000002,
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TZ_BW_SVC_STOP_ID = 0x00000003,
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TZ_BW_SVC_LAST_ID = 0x7FFFFFFF
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};
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/* Start Request */
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struct tz_bw_svc_start_req {
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enum tz_bw_svc_cmd cmd_id;
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uint32_t version;
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} __packed;
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/* Get Request */
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struct tz_bw_svc_get_req {
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enum tz_bw_svc_cmd cmd_id;
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uint64_t buf_ptr;
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uint32_t buf_size;
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} __packed;
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/* Stop Request */
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struct tz_bw_svc_stop_req {
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enum tz_bw_svc_cmd cmd_id;
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} __packed;
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struct tz_bw_svc_resp {
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enum tz_bw_svc_cmd cmd_id;
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enum tz_bw_svc_err status;
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} __packed;
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union tz_bw_svc_req {
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struct tz_bw_svc_start_req start_req;
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struct tz_bw_svc_get_req get_req;
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struct tz_bw_svc_stop_req stop_req;
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} __packed;
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struct tz_bw_svc_buf {
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union tz_bw_svc_req bwreq;
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struct tz_bw_svc_resp bwresp;
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uint32_t req_size;
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} __packed;
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#endif /* __PROFILER_H_ */
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