cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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hdcp_log.h (5407B)


      1/*
      2 * Copyright 2019 Advanced Micro Devices, Inc.
      3 *
      4 * Permission is hereby granted, free of charge, to any person obtaining a
      5 * copy of this software and associated documentation files (the "Software"),
      6 * to deal in the Software without restriction, including without limitation
      7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      8 * and/or sell copies of the Software, and to permit persons to whom the
      9 * Software is furnished to do so, subject to the following conditions:
     10 *
     11 * The above copyright notice and this permission notice shall be included in
     12 * all copies or substantial portions of the Software.
     13 *
     14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
     18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     20 * OTHER DEALINGS IN THE SOFTWARE.
     21 *
     22 * Authors: AMD
     23 *
     24 */
     25
     26#ifndef MOD_HDCP_LOG_H_
     27#define MOD_HDCP_LOG_H_
     28
     29#ifdef CONFIG_DRM_AMD_DC_HDCP
     30#define HDCP_LOG_ERR(hdcp, ...) DRM_DEBUG_KMS(__VA_ARGS__)
     31#define HDCP_LOG_VER(hdcp, ...) DRM_DEBUG_KMS(__VA_ARGS__)
     32#define HDCP_LOG_FSM(hdcp, ...) DRM_DEBUG_KMS(__VA_ARGS__)
     33#define HDCP_LOG_TOP(hdcp, ...) pr_debug("[HDCP_TOP]:"__VA_ARGS__)
     34#define HDCP_LOG_DDC(hdcp, ...) pr_debug("[HDCP_DDC]:"__VA_ARGS__)
     35#endif
     36
     37/* default logs */
     38#define HDCP_ERROR_TRACE(hdcp, status) \
     39		HDCP_LOG_ERR(hdcp, \
     40			"[Link %d] WARNING %s IN STATE %s STAY COUNT %d", \
     41			hdcp->config.index, \
     42			mod_hdcp_status_to_str(status), \
     43			mod_hdcp_state_id_to_str(hdcp->state.id), \
     44			hdcp->state.stay_count)
     45#define HDCP_HDCP1_ENABLED_TRACE(hdcp, displayIndex) \
     46		HDCP_LOG_VER(hdcp, \
     47			"[Link %d] HDCP 1.4 enabled on display %d", \
     48			hdcp->config.index, displayIndex)
     49#define HDCP_HDCP2_ENABLED_TRACE(hdcp, displayIndex) \
     50		HDCP_LOG_VER(hdcp, \
     51			"[Link %d] HDCP 2.2 enabled on display %d", \
     52			hdcp->config.index, displayIndex)
     53#define HDCP_HDCP1_DISABLED_TRACE(hdcp, displayIndex) \
     54		HDCP_LOG_VER(hdcp, \
     55			"[Link %d] HDCP 1.4 disabled on display %d", \
     56			hdcp->config.index, displayIndex)
     57#define HDCP_HDCP2_DISABLED_TRACE(hdcp, displayIndex) \
     58		HDCP_LOG_VER(hdcp, \
     59			"[Link %d] HDCP 2.2 disabled on display %d", \
     60			hdcp->config.index, displayIndex)
     61
     62/* state machine logs */
     63#define HDCP_REMOVE_DISPLAY_TRACE(hdcp, displayIndex) \
     64		HDCP_LOG_FSM(hdcp, \
     65			"[Link %d] HDCP_REMOVE_DISPLAY index %d", \
     66			hdcp->config.index, displayIndex)
     67#define HDCP_INPUT_PASS_TRACE(hdcp, str) \
     68		HDCP_LOG_FSM(hdcp, \
     69			"[Link %d]\tPASS %s", \
     70			hdcp->config.index, str)
     71#define HDCP_INPUT_FAIL_TRACE(hdcp, str) \
     72		HDCP_LOG_FSM(hdcp, \
     73			"[Link %d]\tFAIL %s", \
     74			hdcp->config.index, str)
     75#define HDCP_NEXT_STATE_TRACE(hdcp, id, output) do { \
     76		if (output->watchdog_timer_needed) \
     77			HDCP_LOG_FSM(hdcp, \
     78				"[Link %d] > %s with %d ms watchdog", \
     79				hdcp->config.index, \
     80				mod_hdcp_state_id_to_str(id), output->watchdog_timer_delay); \
     81		else \
     82			HDCP_LOG_FSM(hdcp, \
     83				"[Link %d] > %s", hdcp->config.index, \
     84				mod_hdcp_state_id_to_str(id)); \
     85} while (0)
     86#define HDCP_TIMEOUT_TRACE(hdcp) \
     87		HDCP_LOG_FSM(hdcp, "[Link %d] --> TIMEOUT", hdcp->config.index)
     88#define HDCP_CPIRQ_TRACE(hdcp) \
     89		HDCP_LOG_FSM(hdcp, "[Link %d] --> CPIRQ", hdcp->config.index)
     90#define HDCP_EVENT_TRACE(hdcp, event) \
     91		if (event == MOD_HDCP_EVENT_WATCHDOG_TIMEOUT) \
     92			HDCP_TIMEOUT_TRACE(hdcp); \
     93		else if (event == MOD_HDCP_EVENT_CPIRQ) \
     94			HDCP_CPIRQ_TRACE(hdcp)
     95/* TODO: find some way to tell if logging is off to save time */
     96#define HDCP_DDC_READ_TRACE(hdcp, msg_name, msg, msg_size) do { \
     97		mod_hdcp_dump_binary_message(msg, msg_size, hdcp->buf, \
     98				sizeof(hdcp->buf)); \
     99		HDCP_LOG_DDC(hdcp, "[Link %d] Read %s%s", hdcp->config.index, \
    100				msg_name, hdcp->buf); \
    101} while (0)
    102#define HDCP_DDC_WRITE_TRACE(hdcp, msg_name, msg, msg_size) do { \
    103		mod_hdcp_dump_binary_message(msg, msg_size, hdcp->buf, \
    104				sizeof(hdcp->buf)); \
    105		HDCP_LOG_DDC(hdcp, "[Link %d] Write %s%s", \
    106				hdcp->config.index, msg_name,\
    107				hdcp->buf); \
    108} while (0)
    109#define HDCP_TOP_ADD_DISPLAY_TRACE(hdcp, i) \
    110		HDCP_LOG_TOP(hdcp, "[Link %d]\tadd display %d", \
    111				hdcp->config.index, i)
    112#define HDCP_TOP_REMOVE_DISPLAY_TRACE(hdcp, i) \
    113		HDCP_LOG_TOP(hdcp, "[Link %d]\tremove display %d", \
    114				hdcp->config.index, i)
    115#define HDCP_TOP_HDCP1_DESTROY_SESSION_TRACE(hdcp) \
    116		HDCP_LOG_TOP(hdcp, "[Link %d]\tdestroy hdcp1 session", \
    117				hdcp->config.index)
    118#define HDCP_TOP_HDCP2_DESTROY_SESSION_TRACE(hdcp) \
    119		HDCP_LOG_TOP(hdcp, "[Link %d]\tdestroy hdcp2 session", \
    120				hdcp->config.index)
    121#define HDCP_TOP_RESET_AUTH_TRACE(hdcp) \
    122		HDCP_LOG_TOP(hdcp, "[Link %d]\treset authentication", hdcp->config.index)
    123#define HDCP_TOP_RESET_CONN_TRACE(hdcp) \
    124		HDCP_LOG_TOP(hdcp, "[Link %d]\treset connection", hdcp->config.index)
    125#define HDCP_TOP_INTERFACE_TRACE(hdcp) do { \
    126		HDCP_LOG_TOP(hdcp, "\n"); \
    127		HDCP_LOG_TOP(hdcp, "[Link %d] %s", hdcp->config.index, __func__); \
    128} while (0)
    129#define HDCP_TOP_INTERFACE_TRACE_WITH_INDEX(hdcp, i) do { \
    130		HDCP_LOG_TOP(hdcp, "\n"); \
    131		HDCP_LOG_TOP(hdcp, "[Link %d] %s display %d", hdcp->config.index, __func__, i); \
    132} while (0)
    133
    134#endif // MOD_HDCP_LOG_H_