53 lines
1.4 KiB
C
53 lines
1.4 KiB
C
/* Copyright (c) 2013-2015, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <soc/qcom/scm.h>
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#if defined(CONFIG_MSM_XPU_ERR_FATAL)
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#define ERR_FATAL_VAL 0x0
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#elif defined(CONFIG_MSM_XPU_ERR_NONFATAL)
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#define ERR_FATAL_VAL 0x1
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#endif
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#define XPU_ERR_FATAL 0xe
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static int __init xpu_err_fatal_init(void)
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{
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int ret, response;
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struct {
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unsigned int config;
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unsigned int spare;
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} cmd;
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struct scm_desc desc = {0};
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desc.arginfo = SCM_ARGS(2);
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desc.args[0] = cmd.config = ERR_FATAL_VAL;
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desc.args[1] = cmd.spare = 0;
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if (!is_scm_armv8())
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ret = scm_call(SCM_SVC_MP, XPU_ERR_FATAL, &cmd, sizeof(cmd),
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&response, sizeof(response));
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else
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ret = scm_call2(SCM_SIP_FNID(SCM_SVC_MP, XPU_ERR_FATAL), &desc);
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if (ret != 0)
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pr_warn("Failed to set XPU violations as fatal errors: %d\n",
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ret);
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else
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pr_info("Configuring XPU violations to be fatal errors\n");
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return ret;
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}
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early_initcall(xpu_err_fatal_init);
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