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2a709f28fa
* 0day explit mitigation * Memory corruption prevention * Privilege escalation prevention * Buffer over flow prevention * File System corruption defense * Thread escape prevention This may very well be the most intensive inclusion to BrooklynR. This will not be part of an x86 suite nor it will be released as tool kit. The security core toolkit will remain part of kernel base.
93 lines
3.5 KiB
C
93 lines
3.5 KiB
C
/*
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* Copyright © 2016 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef DRM_DP_DUAL_MODE_HELPER_H
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#define DRM_DP_DUAL_MODE_HELPER_H
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#include <linux/types.h>
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/*
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* Optional for type 1 DVI adaptors
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* Mandatory for type 1 HDMI and type 2 adaptors
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*/
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#define DP_DUAL_MODE_HDMI_ID 0x00 /* 00-0f */
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#define DP_DUAL_MODE_HDMI_ID_LEN 16
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/*
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* Optional for type 1 adaptors
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* Mandatory for type 2 adaptors
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*/
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#define DP_DUAL_MODE_ADAPTOR_ID 0x10
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#define DP_DUAL_MODE_REV_MASK 0x07
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#define DP_DUAL_MODE_REV_TYPE2 0x00
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#define DP_DUAL_MODE_TYPE_MASK 0xf0
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#define DP_DUAL_MODE_TYPE_TYPE2 0xa0
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#define DP_DUAL_MODE_IEEE_OUI 0x11 /* 11-13*/
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#define DP_DUAL_IEEE_OUI_LEN 3
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#define DP_DUAL_DEVICE_ID 0x14 /* 14-19 */
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#define DP_DUAL_DEVICE_ID_LEN 6
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#define DP_DUAL_MODE_HARDWARE_REV 0x1a
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#define DP_DUAL_MODE_FIRMWARE_MAJOR_REV 0x1b
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#define DP_DUAL_MODE_FIRMWARE_MINOR_REV 0x1c
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#define DP_DUAL_MODE_MAX_TMDS_CLOCK 0x1d
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#define DP_DUAL_MODE_I2C_SPEED_CAP 0x1e
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#define DP_DUAL_MODE_TMDS_OEN 0x20
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#define DP_DUAL_MODE_TMDS_DISABLE 0x01
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#define DP_DUAL_MODE_HDMI_PIN_CTRL 0x21
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#define DP_DUAL_MODE_CEC_ENABLE 0x01
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#define DP_DUAL_MODE_I2C_SPEED_CTRL 0x22
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struct i2c_adapter;
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ssize_t drm_dp_dual_mode_read(struct i2c_adapter *adapter,
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u8 offset, void *buffer, size_t size);
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ssize_t drm_dp_dual_mode_write(struct i2c_adapter *adapter,
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u8 offset, const void *buffer, size_t size);
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/**
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* enum drm_dp_dual_mode_type - Type of the DP dual mode adaptor
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* @DRM_DP_DUAL_MODE_NONE: No DP dual mode adaptor
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* @DRM_DP_DUAL_MODE_UNKNOWN: Could be either none or type 1 DVI adaptor
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* @DRM_DP_DUAL_MODE_TYPE1_DVI: Type 1 DVI adaptor
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* @DRM_DP_DUAL_MODE_TYPE1_HDMI: Type 1 HDMI adaptor
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* @DRM_DP_DUAL_MODE_TYPE2_DVI: Type 2 DVI adaptor
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* @DRM_DP_DUAL_MODE_TYPE2_HDMI: Type 2 HDMI adaptor
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*/
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enum drm_dp_dual_mode_type {
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DRM_DP_DUAL_MODE_NONE,
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DRM_DP_DUAL_MODE_UNKNOWN,
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DRM_DP_DUAL_MODE_TYPE1_DVI,
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DRM_DP_DUAL_MODE_TYPE1_HDMI,
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DRM_DP_DUAL_MODE_TYPE2_DVI,
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DRM_DP_DUAL_MODE_TYPE2_HDMI,
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};
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enum drm_dp_dual_mode_type drm_dp_dual_mode_detect(struct i2c_adapter *adapter);
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int drm_dp_dual_mode_max_tmds_clock(enum drm_dp_dual_mode_type type,
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struct i2c_adapter *adapter);
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int drm_dp_dual_mode_get_tmds_output(enum drm_dp_dual_mode_type type,
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struct i2c_adapter *adapter, bool *enabled);
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int drm_dp_dual_mode_set_tmds_output(enum drm_dp_dual_mode_type type,
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struct i2c_adapter *adapter, bool enable);
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const char *drm_dp_get_dual_mode_type_name(enum drm_dp_dual_mode_type type);
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#endif
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