| /* |
| * Copyright 2019 Advanced Micro Devices, Inc. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| * OTHER DEALINGS IN THE SOFTWARE. |
| * |
| * Authors: AMD |
| * |
| */ |
| |
| |
| #include "hdcp.h" |
| |
| void mod_hdcp_dump_binary_message(uint8_t *msg, uint32_t msg_size, |
| uint8_t *buf, uint32_t buf_size) |
| { |
| const uint8_t bytes_per_line = 16, |
| byte_size = 3, |
| newline_size = 1, |
| terminator_size = 1; |
| uint32_t line_count = msg_size / bytes_per_line, |
| trailing_bytes = msg_size % bytes_per_line; |
| uint32_t target_size = (byte_size * bytes_per_line + newline_size) * line_count + |
| byte_size * trailing_bytes + newline_size + terminator_size; |
| uint32_t buf_pos = 0; |
| uint32_t i = 0; |
| |
| if (buf_size >= target_size) { |
| for (i = 0; i < msg_size; i++) { |
| if (i % bytes_per_line == 0) |
| buf[buf_pos++] = '\n'; |
| sprintf(&buf[buf_pos], "%02X ", msg[i]); |
| buf_pos += byte_size; |
| } |
| buf[buf_pos++] = '\0'; |
| } |
| } |
| |
| void mod_hdcp_log_ddc_trace(struct mod_hdcp *hdcp) |
| { |
| if (is_hdcp1(hdcp)) { |
| HDCP_DDC_READ_TRACE(hdcp, "BKSV", hdcp->auth.msg.hdcp1.bksv, |
| sizeof(hdcp->auth.msg.hdcp1.bksv)); |
| HDCP_DDC_READ_TRACE(hdcp, "BCAPS", &hdcp->auth.msg.hdcp1.bcaps, |
| sizeof(hdcp->auth.msg.hdcp1.bcaps)); |
| HDCP_DDC_READ_TRACE(hdcp, "BSTATUS", |
| (uint8_t *)&hdcp->auth.msg.hdcp1.bstatus, |
| sizeof(hdcp->auth.msg.hdcp1.bstatus)); |
| HDCP_DDC_WRITE_TRACE(hdcp, "AN", hdcp->auth.msg.hdcp1.an, |
| sizeof(hdcp->auth.msg.hdcp1.an)); |
| HDCP_DDC_WRITE_TRACE(hdcp, "AKSV", hdcp->auth.msg.hdcp1.aksv, |
| sizeof(hdcp->auth.msg.hdcp1.aksv)); |
| HDCP_DDC_WRITE_TRACE(hdcp, "AINFO", &hdcp->auth.msg.hdcp1.ainfo, |
| sizeof(hdcp->auth.msg.hdcp1.ainfo)); |
| HDCP_DDC_READ_TRACE(hdcp, "RI' / R0'", |
| (uint8_t *)&hdcp->auth.msg.hdcp1.r0p, |
| sizeof(hdcp->auth.msg.hdcp1.r0p)); |
| HDCP_DDC_READ_TRACE(hdcp, "BINFO", |
| (uint8_t *)&hdcp->auth.msg.hdcp1.binfo_dp, |
| sizeof(hdcp->auth.msg.hdcp1.binfo_dp)); |
| HDCP_DDC_READ_TRACE(hdcp, "KSVLIST", hdcp->auth.msg.hdcp1.ksvlist, |
| hdcp->auth.msg.hdcp1.ksvlist_size); |
| HDCP_DDC_READ_TRACE(hdcp, "V'", hdcp->auth.msg.hdcp1.vp, |
| sizeof(hdcp->auth.msg.hdcp1.vp)); |
| } else if (is_hdcp2(hdcp)) { |
| HDCP_DDC_READ_TRACE(hdcp, "HDCP2Version", |
| &hdcp->auth.msg.hdcp2.hdcp2version_hdmi, |
| sizeof(hdcp->auth.msg.hdcp2.hdcp2version_hdmi)); |
| HDCP_DDC_READ_TRACE(hdcp, "Rx Caps", hdcp->auth.msg.hdcp2.rxcaps_dp, |
| sizeof(hdcp->auth.msg.hdcp2.rxcaps_dp)); |
| HDCP_DDC_WRITE_TRACE(hdcp, "AKE Init", hdcp->auth.msg.hdcp2.ake_init, |
| sizeof(hdcp->auth.msg.hdcp2.ake_init)); |
| HDCP_DDC_READ_TRACE(hdcp, "AKE Cert", hdcp->auth.msg.hdcp2.ake_cert, |
| sizeof(hdcp->auth.msg.hdcp2.ake_cert)); |
| HDCP_DDC_WRITE_TRACE(hdcp, "Stored KM", |
| hdcp->auth.msg.hdcp2.ake_stored_km, |
| sizeof(hdcp->auth.msg.hdcp2.ake_stored_km)); |
| HDCP_DDC_WRITE_TRACE(hdcp, "No Stored KM", |
| hdcp->auth.msg.hdcp2.ake_no_stored_km, |
| sizeof(hdcp->auth.msg.hdcp2.ake_no_stored_km)); |
| HDCP_DDC_READ_TRACE(hdcp, "H'", hdcp->auth.msg.hdcp2.ake_h_prime, |
| sizeof(hdcp->auth.msg.hdcp2.ake_h_prime)); |
| HDCP_DDC_READ_TRACE(hdcp, "Pairing Info", |
| hdcp->auth.msg.hdcp2.ake_pairing_info, |
| sizeof(hdcp->auth.msg.hdcp2.ake_pairing_info)); |
| HDCP_DDC_WRITE_TRACE(hdcp, "LC Init", hdcp->auth.msg.hdcp2.lc_init, |
| sizeof(hdcp->auth.msg.hdcp2.lc_init)); |
| HDCP_DDC_READ_TRACE(hdcp, "L'", hdcp->auth.msg.hdcp2.lc_l_prime, |
| sizeof(hdcp->auth.msg.hdcp2.lc_l_prime)); |
| HDCP_DDC_WRITE_TRACE(hdcp, "Exchange KS", hdcp->auth.msg.hdcp2.ske_eks, |
| sizeof(hdcp->auth.msg.hdcp2.ske_eks)); |
| HDCP_DDC_READ_TRACE(hdcp, "Rx Status", |
| (uint8_t *)&hdcp->auth.msg.hdcp2.rxstatus, |
| sizeof(hdcp->auth.msg.hdcp2.rxstatus)); |
| HDCP_DDC_READ_TRACE(hdcp, "Rx Id List", |
| hdcp->auth.msg.hdcp2.rx_id_list, |
| hdcp->auth.msg.hdcp2.rx_id_list_size); |
| HDCP_DDC_WRITE_TRACE(hdcp, "Rx Id List Ack", |
| hdcp->auth.msg.hdcp2.repeater_auth_ack, |
| sizeof(hdcp->auth.msg.hdcp2.repeater_auth_ack)); |
| HDCP_DDC_WRITE_TRACE(hdcp, "Content Stream Management", |
| hdcp->auth.msg.hdcp2.repeater_auth_stream_manage, |
| hdcp->auth.msg.hdcp2.stream_manage_size); |
| HDCP_DDC_READ_TRACE(hdcp, "Stream Ready", |
| hdcp->auth.msg.hdcp2.repeater_auth_stream_ready, |
| sizeof(hdcp->auth.msg.hdcp2.repeater_auth_stream_ready)); |
| HDCP_DDC_WRITE_TRACE(hdcp, "Content Stream Type", |
| hdcp->auth.msg.hdcp2.content_stream_type_dp, |
| sizeof(hdcp->auth.msg.hdcp2.content_stream_type_dp)); |
| } |
| } |
| |
| char *mod_hdcp_status_to_str(int32_t status) |
| { |
| switch (status) { |
| case MOD_HDCP_STATUS_SUCCESS: |
| return "MOD_HDCP_STATUS_SUCCESS"; |
| case MOD_HDCP_STATUS_FAILURE: |
| return "MOD_HDCP_STATUS_FAILURE"; |
| case MOD_HDCP_STATUS_RESET_NEEDED: |
| return "MOD_HDCP_STATUS_RESET_NEEDED"; |
| case MOD_HDCP_STATUS_DISPLAY_OUT_OF_BOUND: |
| return "MOD_HDCP_STATUS_DISPLAY_OUT_OF_BOUND"; |
| case MOD_HDCP_STATUS_DISPLAY_NOT_FOUND: |
| return "MOD_HDCP_STATUS_DISPLAY_NOT_FOUND"; |
| case MOD_HDCP_STATUS_INVALID_STATE: |
| return "MOD_HDCP_STATUS_INVALID_STATE"; |
| case MOD_HDCP_STATUS_NOT_IMPLEMENTED: |
| return "MOD_HDCP_STATUS_NOT_IMPLEMENTED"; |
| case MOD_HDCP_STATUS_INTERNAL_POLICY_FAILURE: |
| return "MOD_HDCP_STATUS_INTERNAL_POLICY_FAILURE"; |
| case MOD_HDCP_STATUS_UPDATE_TOPOLOGY_FAILURE: |
| return "MOD_HDCP_STATUS_UPDATE_TOPOLOGY_FAILURE"; |
| case MOD_HDCP_STATUS_CREATE_PSP_SERVICE_FAILURE: |
| return "MOD_HDCP_STATUS_CREATE_PSP_SERVICE_FAILURE"; |
| case MOD_HDCP_STATUS_DESTROY_PSP_SERVICE_FAILURE: |
| return "MOD_HDCP_STATUS_DESTROY_PSP_SERVICE_FAILURE"; |
| case MOD_HDCP_STATUS_HDCP1_CREATE_SESSION_FAILURE: |
| return "MOD_HDCP_STATUS_HDCP1_CREATE_SESSION_FAILURE"; |
| case MOD_HDCP_STATUS_HDCP1_DESTROY_SESSION_FAILURE: |
| return "MOD_HDCP_STATUS_HDCP1_DESTROY_SESSION_FAILURE"; |
| case MOD_HDCP_STATUS_HDCP1_VALIDATE_ENCRYPTION_FAILURE: |
| return "MOD_HDCP_STATUS_HDCP1_VALIDATE_ENCRYPTION_FAILURE"; |
| case MOD_HDCP_STATUS_HDCP1_NOT_HDCP_REPEATER: |
| return "MOD_HDCP_STATUS_HDCP1_NOT_HDCP_REPEATER"; |
| case MOD_HDCP_STATUS_HDCP1_NOT_CAPABLE: |
| return "MOD_HDCP_STATUS_HDCP1_NOT_CAPABLE"; |
| case MOD_HDCP_STATUS_HDCP1_R0_PRIME_PENDING: |
| return "MOD_HDCP_STATUS_HDCP1_R0_PRIME_PENDING"; |
| case MOD_HDCP_STATUS_HDCP1_VALIDATE_RX_FAILURE: |
| return "MOD_HDCP_STATUS_HDCP1_VALIDATE_RX_FAILURE"; |
| case MOD_HDCP_STATUS_HDCP1_BKSV_REVOKED: |
| return "MOD_HDCP_STATUS_HDCP1_BKSV_REVOKED"; |
| case MOD_HDCP_STATUS_HDCP1_KSV_LIST_NOT_READY: |
| return "MOD_HDCP_STATUS_HDCP1_KSV_LIST_NOT_READY"; |
| case MOD_HDCP_STATUS_HDCP1_VALIDATE_KSV_LIST_FAILURE: |
| return "MOD_HDCP_STATUS_HDCP1_VALIDATE_KSV_LIST_FAILURE"; |
| case MOD_HDCP_STATUS_HDCP1_KSV_LIST_REVOKED: |
| return "MOD_HDCP_STATUS_HDCP1_KSV_LIST_REVOKED"; |
| case MOD_HDCP_STATUS_HDCP1_ENABLE_ENCRYPTION_FAILURE: |
| return "MOD_HDCP_STATUS_HDCP1_ENABLE_ENCRYPTION_FAILURE"; |
| case MOD_HDCP_STATUS_HDCP1_ENABLE_STREAM_ENCRYPTION_FAILURE: |
| return "MOD_HDCP_STATUS_HDCP1_ENABLE_STREAM_ENCRYPTION_FAILURE"; |
| case MOD_HDCP_STATUS_HDCP1_MAX_CASCADE_EXCEEDED_FAILURE: |
| return "MOD_HDCP_STATUS_HDCP1_MAX_CASCADE_EXCEEDED_FAILURE"; |
| case MOD_HDCP_STATUS_HDCP1_MAX_DEVS_EXCEEDED_FAILURE: |
| return "MOD_HDCP_STATUS_HDCP1_MAX_DEVS_EXCEEDED_FAILURE"; |
| case MOD_HDCP_STATUS_HDCP1_DEVICE_COUNT_MISMATCH_FAILURE: |
| return "MOD_HDCP_STATUS_HDCP1_DEVICE_COUNT_MISMATCH_FAILURE"; |
| case MOD_HDCP_STATUS_HDCP1_LINK_INTEGRITY_FAILURE: |
| return "MOD_HDCP_STATUS_HDCP1_LINK_INTEGRITY_FAILURE"; |
| case MOD_HDCP_STATUS_HDCP1_REAUTH_REQUEST_ISSUED: |
| return "MOD_HDCP_STATUS_HDCP1_REAUTH_REQUEST_ISSUED"; |
| case MOD_HDCP_STATUS_HDCP1_LINK_MAINTENANCE_FAILURE: |
| return "MOD_HDCP_STATUS_HDCP1_LINK_MAINTENANCE_FAILURE"; |
| case MOD_HDCP_STATUS_HDCP1_INVALID_BKSV: |
| return "MOD_HDCP_STATUS_HDCP1_INVALID_BKSV"; |
| case MOD_HDCP_STATUS_DDC_FAILURE: |
| return "MOD_HDCP_STATUS_DDC_FAILURE"; |
| case MOD_HDCP_STATUS_INVALID_OPERATION: |
| return "MOD_HDCP_STATUS_INVALID_OPERATION"; |
| case MOD_HDCP_STATUS_HDCP2_NOT_CAPABLE: |
| return "MOD_HDCP_STATUS_HDCP2_NOT_CAPABLE"; |
| case MOD_HDCP_STATUS_HDCP2_CREATE_SESSION_FAILURE: |
| return "MOD_HDCP_STATUS_HDCP2_CREATE_SESSION_FAILURE"; |
| case MOD_HDCP_STATUS_HDCP2_DESTROY_SESSION_FAILURE: |
| return "MOD_HDCP_STATUS_HDCP2_DESTROY_SESSION_FAILURE"; |
| case MOD_HDCP_STATUS_HDCP2_PREP_AKE_INIT_FAILURE: |
| return "MOD_HDCP_STATUS_HDCP2_PREP_AKE_INIT_FAILURE"; |
| case MOD_HDCP_STATUS_HDCP2_AKE_CERT_PENDING: |
| return "MOD_HDCP_STATUS_HDCP2_AKE_CERT_PENDING"; |
| case MOD_HDCP_STATUS_HDCP2_H_PRIME_PENDING: |
| return "MOD_HDCP_STATUS_HDCP2_H_PRIME_PENDING"; |
| case MOD_HDCP_STATUS_HDCP2_PAIRING_INFO_PENDING: |
| return "MOD_HDCP_STATUS_HDCP2_PAIRING_INFO_PENDING"; |
| case MOD_HDCP_STATUS_HDCP2_VALIDATE_AKE_CERT_FAILURE: |
| return "MOD_HDCP_STATUS_HDCP2_VALIDATE_AKE_CERT_FAILURE"; |
| case MOD_HDCP_STATUS_HDCP2_AKE_CERT_REVOKED: |
| return "MOD_HDCP_STATUS_HDCP2_AKE_CERT_REVOKED"; |
| case MOD_HDCP_STATUS_HDCP2_VALIDATE_H_PRIME_FAILURE: |
| return "MOD_HDCP_STATUS_HDCP2_VALIDATE_H_PRIME_FAILURE"; |
| case MOD_HDCP_STATUS_HDCP2_VALIDATE_PAIRING_INFO_FAILURE: |
| return "MOD_HDCP_STATUS_HDCP2_VALIDATE_PAIRING_INFO_FAILURE"; |
| case MOD_HDCP_STATUS_HDCP2_PREP_LC_INIT_FAILURE: |
| return "MOD_HDCP_STATUS_HDCP2_PREP_LC_INIT_FAILURE"; |
| case MOD_HDCP_STATUS_HDCP2_L_PRIME_PENDING: |
| return "MOD_HDCP_STATUS_HDCP2_L_PRIME_PENDING"; |
| case MOD_HDCP_STATUS_HDCP2_VALIDATE_L_PRIME_FAILURE: |
| return "MOD_HDCP_STATUS_HDCP2_VALIDATE_L_PRIME_FAILURE"; |
| case MOD_HDCP_STATUS_HDCP2_PREP_EKS_FAILURE: |
| return "MOD_HDCP_STATUS_HDCP2_PREP_EKS_FAILURE"; |
| case MOD_HDCP_STATUS_HDCP2_ENABLE_ENCRYPTION_FAILURE: |
| return "MOD_HDCP_STATUS_HDCP2_ENABLE_ENCRYPTION_FAILURE"; |
| case MOD_HDCP_STATUS_HDCP2_VALIDATE_RX_ID_LIST_FAILURE: |
| return "MOD_HDCP_STATUS_HDCP2_VALIDATE_RX_ID_LIST_FAILURE"; |
| case MOD_HDCP_STATUS_HDCP2_RX_ID_LIST_REVOKED: |
| return "MOD_HDCP_STATUS_HDCP2_RX_ID_LIST_REVOKED"; |
| case MOD_HDCP_STATUS_HDCP2_RX_ID_LIST_NOT_READY: |
| return "MOD_HDCP_STATUS_HDCP2_RX_ID_LIST_NOT_READY"; |
| case MOD_HDCP_STATUS_HDCP2_ENABLE_STREAM_ENCRYPTION_FAILURE: |
| return "MOD_HDCP_STATUS_HDCP2_ENABLE_STREAM_ENCRYPTION_FAILURE"; |
| case MOD_HDCP_STATUS_HDCP2_STREAM_READY_PENDING: |
| return "MOD_HDCP_STATUS_HDCP2_STREAM_READY_PENDING"; |
| case MOD_HDCP_STATUS_HDCP2_VALIDATE_STREAM_READY_FAILURE: |
| return "MOD_HDCP_STATUS_HDCP2_VALIDATE_STREAM_READY_FAILURE"; |
| case MOD_HDCP_STATUS_HDCP2_PREPARE_STREAM_MANAGEMENT_FAILURE: |
| return "MOD_HDCP_STATUS_HDCP2_PREPARE_STREAM_MANAGEMENT_FAILURE"; |
| case MOD_HDCP_STATUS_HDCP2_REAUTH_REQUEST: |
| return "MOD_HDCP_STATUS_HDCP2_REAUTH_REQUEST"; |
| case MOD_HDCP_STATUS_HDCP2_REAUTH_LINK_INTEGRITY_FAILURE: |
| return "MOD_HDCP_STATUS_HDCP2_REAUTH_LINK_INTEGRITY_FAILURE"; |
| case MOD_HDCP_STATUS_HDCP2_DEVICE_COUNT_MISMATCH_FAILURE: |
| return "MOD_HDCP_STATUS_HDCP2_DEVICE_COUNT_MISMATCH_FAILURE"; |
| case MOD_HDCP_STATUS_UNSUPPORTED_PSP_VER_FAILURE: |
| return "MOD_HDCP_STATUS_UNSUPPORTED_PSP_VER_FAILURE"; |
| default: |
| return "MOD_HDCP_STATUS_UNKNOWN"; |
| } |
| } |
| |
| char *mod_hdcp_state_id_to_str(int32_t id) |
| { |
| switch (id) { |
| case HDCP_UNINITIALIZED: |
| return "HDCP_UNINITIALIZED"; |
| case HDCP_INITIALIZED: |
| return "HDCP_INITIALIZED"; |
| case HDCP_CP_NOT_DESIRED: |
| return "HDCP_CP_NOT_DESIRED"; |
| case H1_A0_WAIT_FOR_ACTIVE_RX: |
| return "H1_A0_WAIT_FOR_ACTIVE_RX"; |
| case H1_A1_EXCHANGE_KSVS: |
| return "H1_A1_EXCHANGE_KSVS"; |
| case H1_A2_COMPUTATIONS_A3_VALIDATE_RX_A6_TEST_FOR_REPEATER: |
| return "H1_A2_COMPUTATIONS_A3_VALIDATE_RX_A6_TEST_FOR_REPEATER"; |
| case H1_A45_AUTHENTICATED: |
| return "H1_A45_AUTHENTICATED"; |
| case H1_A8_WAIT_FOR_READY: |
| return "H1_A8_WAIT_FOR_READY"; |
| case H1_A9_READ_KSV_LIST: |
| return "H1_A9_READ_KSV_LIST"; |
| case D1_A0_DETERMINE_RX_HDCP_CAPABLE: |
| return "D1_A0_DETERMINE_RX_HDCP_CAPABLE"; |
| case D1_A1_EXCHANGE_KSVS: |
| return "D1_A1_EXCHANGE_KSVS"; |
| case D1_A23_WAIT_FOR_R0_PRIME: |
| return "D1_A23_WAIT_FOR_R0_PRIME"; |
| case D1_A2_COMPUTATIONS_A3_VALIDATE_RX_A5_TEST_FOR_REPEATER: |
| return "D1_A2_COMPUTATIONS_A3_VALIDATE_RX_A5_TEST_FOR_REPEATER"; |
| case D1_A4_AUTHENTICATED: |
| return "D1_A4_AUTHENTICATED"; |
| case D1_A6_WAIT_FOR_READY: |
| return "D1_A6_WAIT_FOR_READY"; |
| case D1_A7_READ_KSV_LIST: |
| return "D1_A7_READ_KSV_LIST"; |
| case H2_A0_KNOWN_HDCP2_CAPABLE_RX: |
| return "H2_A0_KNOWN_HDCP2_CAPABLE_RX"; |
| case H2_A1_SEND_AKE_INIT: |
| return "H2_A1_SEND_AKE_INIT"; |
| case H2_A1_VALIDATE_AKE_CERT: |
| return "H2_A1_VALIDATE_AKE_CERT"; |
| case H2_A1_SEND_NO_STORED_KM: |
| return "H2_A1_SEND_NO_STORED_KM"; |
| case H2_A1_READ_H_PRIME: |
| return "H2_A1_READ_H_PRIME"; |
| case H2_A1_READ_PAIRING_INFO_AND_VALIDATE_H_PRIME: |
| return "H2_A1_READ_PAIRING_INFO_AND_VALIDATE_H_PRIME"; |
| case H2_A1_SEND_STORED_KM: |
| return "H2_A1_SEND_STORED_KM"; |
| case H2_A1_VALIDATE_H_PRIME: |
| return "H2_A1_VALIDATE_H_PRIME"; |
| case H2_A2_LOCALITY_CHECK: |
| return "H2_A2_LOCALITY_CHECK"; |
| case H2_A3_EXCHANGE_KS_AND_TEST_FOR_REPEATER: |
| return "H2_A3_EXCHANGE_KS_AND_TEST_FOR_REPEATER"; |
| case H2_ENABLE_ENCRYPTION: |
| return "H2_ENABLE_ENCRYPTION"; |
| case H2_A5_AUTHENTICATED: |
| return "H2_A5_AUTHENTICATED"; |
| case H2_A6_WAIT_FOR_RX_ID_LIST: |
| return "H2_A6_WAIT_FOR_RX_ID_LIST"; |
| case H2_A78_VERIFY_RX_ID_LIST_AND_SEND_ACK: |
| return "H2_A78_VERIFY_RX_ID_LIST_AND_SEND_ACK"; |
| case H2_A9_SEND_STREAM_MANAGEMENT: |
| return "H2_A9_SEND_STREAM_MANAGEMENT"; |
| case H2_A9_VALIDATE_STREAM_READY: |
| return "H2_A9_VALIDATE_STREAM_READY"; |
| case D2_A0_DETERMINE_RX_HDCP_CAPABLE: |
| return "D2_A0_DETERMINE_RX_HDCP_CAPABLE"; |
| case D2_A1_SEND_AKE_INIT: |
| return "D2_A1_SEND_AKE_INIT"; |
| case D2_A1_VALIDATE_AKE_CERT: |
| return "D2_A1_VALIDATE_AKE_CERT"; |
| case D2_A1_SEND_NO_STORED_KM: |
| return "D2_A1_SEND_NO_STORED_KM"; |
| case D2_A1_READ_H_PRIME: |
| return "D2_A1_READ_H_PRIME"; |
| case D2_A1_READ_PAIRING_INFO_AND_VALIDATE_H_PRIME: |
| return "D2_A1_READ_PAIRING_INFO_AND_VALIDATE_H_PRIME"; |
| case D2_A1_SEND_STORED_KM: |
| return "D2_A1_SEND_STORED_KM"; |
| case D2_A1_VALIDATE_H_PRIME: |
| return "D2_A1_VALIDATE_H_PRIME"; |
| case D2_A2_LOCALITY_CHECK: |
| return "D2_A2_LOCALITY_CHECK"; |
| case D2_A34_EXCHANGE_KS_AND_TEST_FOR_REPEATER: |
| return "D2_A34_EXCHANGE_KS_AND_TEST_FOR_REPEATER"; |
| case D2_SEND_CONTENT_STREAM_TYPE: |
| return "D2_SEND_CONTENT_STREAM_TYPE"; |
| case D2_ENABLE_ENCRYPTION: |
| return "D2_ENABLE_ENCRYPTION"; |
| case D2_A5_AUTHENTICATED: |
| return "D2_A5_AUTHENTICATED"; |
| case D2_A6_WAIT_FOR_RX_ID_LIST: |
| return "D2_A6_WAIT_FOR_RX_ID_LIST"; |
| case D2_A78_VERIFY_RX_ID_LIST_AND_SEND_ACK: |
| return "D2_A78_VERIFY_RX_ID_LIST_AND_SEND_ACK"; |
| case D2_A9_SEND_STREAM_MANAGEMENT: |
| return "D2_A9_SEND_STREAM_MANAGEMENT"; |
| case D2_A9_VALIDATE_STREAM_READY: |
| return "D2_A9_VALIDATE_STREAM_READY"; |
| default: |
| return "UNKNOWN_STATE_ID"; |
| } |
| } |
| |