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 27#include "hdcp.h" 28 29void mod_hdcp_dump_binary_message(uint8_t *msg, uint32_t msg_size, 30 uint8_t *buf, uint32_t buf_size) 31{ 32 const uint8_t bytes_per_line = 16, 33 byte_size = 3, 34 newline_size = 1, 35 terminator_size = 1; 36 uint32_t line_count = msg_size / bytes_per_line, 37 trailing_bytes = msg_size % bytes_per_line; 38 uint32_t target_size = (byte_size * bytes_per_line + newline_size) * line_count + 39 byte_size * trailing_bytes + newline_size + terminator_size; 40 uint32_t buf_pos = 0; 41 uint32_t i = 0; 42 43 if (buf_size >= target_size) { 44 for (i = 0; i < msg_size; i++) { 45 if (i % bytes_per_line == 0) 46 buf[buf_pos++] = '\n'; 47 sprintf(&buf[buf_pos], "%02X ", msg[i]); 48 buf_pos += byte_size; 49 } 50 buf[buf_pos++] = '\0'; 51 } 52} 53 54void mod_hdcp_log_ddc_trace(struct mod_hdcp *hdcp) 55{ 56 if (is_hdcp1(hdcp)) { 57 HDCP_DDC_READ_TRACE(hdcp, "BKSV", hdcp->auth.msg.hdcp1.bksv, 58 sizeof(hdcp->auth.msg.hdcp1.bksv)); 59 HDCP_DDC_READ_TRACE(hdcp, "BCAPS", &hdcp->auth.msg.hdcp1.bcaps, 60 sizeof(hdcp->auth.msg.hdcp1.bcaps)); 61 HDCP_DDC_READ_TRACE(hdcp, "BSTATUS", 62 (uint8_t *)&hdcp->auth.msg.hdcp1.bstatus, 63 sizeof(hdcp->auth.msg.hdcp1.bstatus)); 64 HDCP_DDC_WRITE_TRACE(hdcp, "AN", hdcp->auth.msg.hdcp1.an, 65 sizeof(hdcp->auth.msg.hdcp1.an)); 66 HDCP_DDC_WRITE_TRACE(hdcp, "AKSV", hdcp->auth.msg.hdcp1.aksv, 67 sizeof(hdcp->auth.msg.hdcp1.aksv)); 68 HDCP_DDC_WRITE_TRACE(hdcp, "AINFO", &hdcp->auth.msg.hdcp1.ainfo, 69 sizeof(hdcp->auth.msg.hdcp1.ainfo)); 70 HDCP_DDC_READ_TRACE(hdcp, "RI' / R0'", 71 (uint8_t *)&hdcp->auth.msg.hdcp1.r0p, 72 sizeof(hdcp->auth.msg.hdcp1.r0p)); 73 HDCP_DDC_READ_TRACE(hdcp, "BINFO", 74 (uint8_t *)&hdcp->auth.msg.hdcp1.binfo_dp, 75 sizeof(hdcp->auth.msg.hdcp1.binfo_dp)); 76 HDCP_DDC_READ_TRACE(hdcp, "KSVLIST", hdcp->auth.msg.hdcp1.ksvlist, 77 hdcp->auth.msg.hdcp1.ksvlist_size); 78 HDCP_DDC_READ_TRACE(hdcp, "V'", hdcp->auth.msg.hdcp1.vp, 79 sizeof(hdcp->auth.msg.hdcp1.vp)); 80 } else if (is_hdcp2(hdcp)) { 81 HDCP_DDC_READ_TRACE(hdcp, "HDCP2Version", 82 &hdcp->auth.msg.hdcp2.hdcp2version_hdmi, 83 sizeof(hdcp->auth.msg.hdcp2.hdcp2version_hdmi)); 84 HDCP_DDC_READ_TRACE(hdcp, "Rx Caps", hdcp->auth.msg.hdcp2.rxcaps_dp, 85 sizeof(hdcp->auth.msg.hdcp2.rxcaps_dp)); 86 HDCP_DDC_WRITE_TRACE(hdcp, "AKE Init", hdcp->auth.msg.hdcp2.ake_init, 87 sizeof(hdcp->auth.msg.hdcp2.ake_init)); 88 HDCP_DDC_READ_TRACE(hdcp, "AKE Cert", hdcp->auth.msg.hdcp2.ake_cert, 89 sizeof(hdcp->auth.msg.hdcp2.ake_cert)); 90 HDCP_DDC_WRITE_TRACE(hdcp, "Stored KM", 91 hdcp->auth.msg.hdcp2.ake_stored_km, 92 sizeof(hdcp->auth.msg.hdcp2.ake_stored_km)); 93 HDCP_DDC_WRITE_TRACE(hdcp, "No Stored KM", 94 hdcp->auth.msg.hdcp2.ake_no_stored_km, 95 sizeof(hdcp->auth.msg.hdcp2.ake_no_stored_km)); 96 HDCP_DDC_READ_TRACE(hdcp, "H'", hdcp->auth.msg.hdcp2.ake_h_prime, 97 sizeof(hdcp->auth.msg.hdcp2.ake_h_prime)); 98 HDCP_DDC_READ_TRACE(hdcp, "Pairing Info", 99 hdcp->auth.msg.hdcp2.ake_pairing_info, 100 sizeof(hdcp->auth.msg.hdcp2.ake_pairing_info)); 101 HDCP_DDC_WRITE_TRACE(hdcp, "LC Init", hdcp->auth.msg.hdcp2.lc_init, 102 sizeof(hdcp->auth.msg.hdcp2.lc_init)); 103 HDCP_DDC_READ_TRACE(hdcp, "L'", hdcp->auth.msg.hdcp2.lc_l_prime, 104 sizeof(hdcp->auth.msg.hdcp2.lc_l_prime)); 105 HDCP_DDC_WRITE_TRACE(hdcp, "Exchange KS", hdcp->auth.msg.hdcp2.ske_eks, 106 sizeof(hdcp->auth.msg.hdcp2.ske_eks)); 107 HDCP_DDC_READ_TRACE(hdcp, "Rx Status", 108 (uint8_t *)&hdcp->auth.msg.hdcp2.rxstatus, 109 sizeof(hdcp->auth.msg.hdcp2.rxstatus)); 110 HDCP_DDC_READ_TRACE(hdcp, "Rx Id List", 111 hdcp->auth.msg.hdcp2.rx_id_list, 112 hdcp->auth.msg.hdcp2.rx_id_list_size); 113 HDCP_DDC_WRITE_TRACE(hdcp, "Rx Id List Ack", 114 hdcp->auth.msg.hdcp2.repeater_auth_ack, 115 sizeof(hdcp->auth.msg.hdcp2.repeater_auth_ack)); 116 HDCP_DDC_WRITE_TRACE(hdcp, "Content Stream Management", 117 hdcp->auth.msg.hdcp2.repeater_auth_stream_manage, 118 hdcp->auth.msg.hdcp2.stream_manage_size); 119 HDCP_DDC_READ_TRACE(hdcp, "Stream Ready", 120 hdcp->auth.msg.hdcp2.repeater_auth_stream_ready, 121 sizeof(hdcp->auth.msg.hdcp2.repeater_auth_stream_ready)); 122 HDCP_DDC_WRITE_TRACE(hdcp, "Content Stream Type", 123 hdcp->auth.msg.hdcp2.content_stream_type_dp, 124 sizeof(hdcp->auth.msg.hdcp2.content_stream_type_dp)); 125 } 126} 127 128char *mod_hdcp_status_to_str(int32_t status) 129{ 130 switch (status) { 131 case MOD_HDCP_STATUS_SUCCESS: 132 return "MOD_HDCP_STATUS_SUCCESS"; 133 case MOD_HDCP_STATUS_FAILURE: 134 return "MOD_HDCP_STATUS_FAILURE"; 135 case MOD_HDCP_STATUS_RESET_NEEDED: 136 return "MOD_HDCP_STATUS_RESET_NEEDED"; 137 case MOD_HDCP_STATUS_DISPLAY_OUT_OF_BOUND: 138 return "MOD_HDCP_STATUS_DISPLAY_OUT_OF_BOUND"; 139 case MOD_HDCP_STATUS_DISPLAY_NOT_FOUND: 140 return "MOD_HDCP_STATUS_DISPLAY_NOT_FOUND"; 141 case MOD_HDCP_STATUS_INVALID_STATE: 142 return "MOD_HDCP_STATUS_INVALID_STATE"; 143 case MOD_HDCP_STATUS_NOT_IMPLEMENTED: 144 return "MOD_HDCP_STATUS_NOT_IMPLEMENTED"; 145 case MOD_HDCP_STATUS_INTERNAL_POLICY_FAILURE: 146 return "MOD_HDCP_STATUS_INTERNAL_POLICY_FAILURE"; 147 case MOD_HDCP_STATUS_UPDATE_TOPOLOGY_FAILURE: 148 return "MOD_HDCP_STATUS_UPDATE_TOPOLOGY_FAILURE"; 149 case MOD_HDCP_STATUS_CREATE_PSP_SERVICE_FAILURE: 150 return "MOD_HDCP_STATUS_CREATE_PSP_SERVICE_FAILURE"; 151 case MOD_HDCP_STATUS_DESTROY_PSP_SERVICE_FAILURE: 152 return "MOD_HDCP_STATUS_DESTROY_PSP_SERVICE_FAILURE"; 153 case MOD_HDCP_STATUS_HDCP1_CREATE_SESSION_FAILURE: 154 return "MOD_HDCP_STATUS_HDCP1_CREATE_SESSION_FAILURE"; 155 case MOD_HDCP_STATUS_HDCP1_DESTROY_SESSION_FAILURE: 156 return "MOD_HDCP_STATUS_HDCP1_DESTROY_SESSION_FAILURE"; 157 case MOD_HDCP_STATUS_HDCP1_VALIDATE_ENCRYPTION_FAILURE: 158 return "MOD_HDCP_STATUS_HDCP1_VALIDATE_ENCRYPTION_FAILURE"; 159 case MOD_HDCP_STATUS_HDCP1_NOT_HDCP_REPEATER: 160 return "MOD_HDCP_STATUS_HDCP1_NOT_HDCP_REPEATER"; 161 case MOD_HDCP_STATUS_HDCP1_NOT_CAPABLE: 162 return "MOD_HDCP_STATUS_HDCP1_NOT_CAPABLE"; 163 case MOD_HDCP_STATUS_HDCP1_R0_PRIME_PENDING: 164 return "MOD_HDCP_STATUS_HDCP1_R0_PRIME_PENDING"; 165 case MOD_HDCP_STATUS_HDCP1_VALIDATE_RX_FAILURE: 166 return "MOD_HDCP_STATUS_HDCP1_VALIDATE_RX_FAILURE"; 167 case MOD_HDCP_STATUS_HDCP1_BKSV_REVOKED: 168 return "MOD_HDCP_STATUS_HDCP1_BKSV_REVOKED"; 169 case MOD_HDCP_STATUS_HDCP1_KSV_LIST_NOT_READY: 170 return "MOD_HDCP_STATUS_HDCP1_KSV_LIST_NOT_READY"; 171 case MOD_HDCP_STATUS_HDCP1_VALIDATE_KSV_LIST_FAILURE: 172 return "MOD_HDCP_STATUS_HDCP1_VALIDATE_KSV_LIST_FAILURE"; 173 case MOD_HDCP_STATUS_HDCP1_KSV_LIST_REVOKED: 174 return "MOD_HDCP_STATUS_HDCP1_KSV_LIST_REVOKED"; 175 case MOD_HDCP_STATUS_HDCP1_ENABLE_ENCRYPTION_FAILURE: 176 return "MOD_HDCP_STATUS_HDCP1_ENABLE_ENCRYPTION_FAILURE"; 177 case MOD_HDCP_STATUS_HDCP1_ENABLE_STREAM_ENCRYPTION_FAILURE: 178 return "MOD_HDCP_STATUS_HDCP1_ENABLE_STREAM_ENCRYPTION_FAILURE"; 179 case MOD_HDCP_STATUS_HDCP1_MAX_CASCADE_EXCEEDED_FAILURE: 180 return "MOD_HDCP_STATUS_HDCP1_MAX_CASCADE_EXCEEDED_FAILURE"; 181 case MOD_HDCP_STATUS_HDCP1_MAX_DEVS_EXCEEDED_FAILURE: 182 return "MOD_HDCP_STATUS_HDCP1_MAX_DEVS_EXCEEDED_FAILURE"; 183 case MOD_HDCP_STATUS_HDCP1_DEVICE_COUNT_MISMATCH_FAILURE: 184 return "MOD_HDCP_STATUS_HDCP1_DEVICE_COUNT_MISMATCH_FAILURE"; 185 case MOD_HDCP_STATUS_HDCP1_LINK_INTEGRITY_FAILURE: 186 return "MOD_HDCP_STATUS_HDCP1_LINK_INTEGRITY_FAILURE"; 187 case MOD_HDCP_STATUS_HDCP1_REAUTH_REQUEST_ISSUED: 188 return "MOD_HDCP_STATUS_HDCP1_REAUTH_REQUEST_ISSUED"; 189 case MOD_HDCP_STATUS_HDCP1_LINK_MAINTENANCE_FAILURE: 190 return "MOD_HDCP_STATUS_HDCP1_LINK_MAINTENANCE_FAILURE"; 191 case MOD_HDCP_STATUS_HDCP1_INVALID_BKSV: 192 return "MOD_HDCP_STATUS_HDCP1_INVALID_BKSV"; 193 case MOD_HDCP_STATUS_DDC_FAILURE: 194 return "MOD_HDCP_STATUS_DDC_FAILURE"; 195 case MOD_HDCP_STATUS_INVALID_OPERATION: 196 return "MOD_HDCP_STATUS_INVALID_OPERATION"; 197 case MOD_HDCP_STATUS_HDCP2_NOT_CAPABLE: 198 return "MOD_HDCP_STATUS_HDCP2_NOT_CAPABLE"; 199 case MOD_HDCP_STATUS_HDCP2_CREATE_SESSION_FAILURE: 200 return "MOD_HDCP_STATUS_HDCP2_CREATE_SESSION_FAILURE"; 201 case MOD_HDCP_STATUS_HDCP2_DESTROY_SESSION_FAILURE: 202 return "MOD_HDCP_STATUS_HDCP2_DESTROY_SESSION_FAILURE"; 203 case MOD_HDCP_STATUS_HDCP2_PREP_AKE_INIT_FAILURE: 204 return "MOD_HDCP_STATUS_HDCP2_PREP_AKE_INIT_FAILURE"; 205 case MOD_HDCP_STATUS_HDCP2_AKE_CERT_PENDING: 206 return "MOD_HDCP_STATUS_HDCP2_AKE_CERT_PENDING"; 207 case MOD_HDCP_STATUS_HDCP2_H_PRIME_PENDING: 208 return "MOD_HDCP_STATUS_HDCP2_H_PRIME_PENDING"; 209 case MOD_HDCP_STATUS_HDCP2_PAIRING_INFO_PENDING: 210 return "MOD_HDCP_STATUS_HDCP2_PAIRING_INFO_PENDING"; 211 case MOD_HDCP_STATUS_HDCP2_VALIDATE_AKE_CERT_FAILURE: 212 return "MOD_HDCP_STATUS_HDCP2_VALIDATE_AKE_CERT_FAILURE"; 213 case MOD_HDCP_STATUS_HDCP2_AKE_CERT_REVOKED: 214 return "MOD_HDCP_STATUS_HDCP2_AKE_CERT_REVOKED"; 215 case MOD_HDCP_STATUS_HDCP2_VALIDATE_H_PRIME_FAILURE: 216 return "MOD_HDCP_STATUS_HDCP2_VALIDATE_H_PRIME_FAILURE"; 217 case MOD_HDCP_STATUS_HDCP2_VALIDATE_PAIRING_INFO_FAILURE: 218 return "MOD_HDCP_STATUS_HDCP2_VALIDATE_PAIRING_INFO_FAILURE"; 219 case MOD_HDCP_STATUS_HDCP2_PREP_LC_INIT_FAILURE: 220 return "MOD_HDCP_STATUS_HDCP2_PREP_LC_INIT_FAILURE"; 221 case MOD_HDCP_STATUS_HDCP2_L_PRIME_PENDING: 222 return "MOD_HDCP_STATUS_HDCP2_L_PRIME_PENDING"; 223 case MOD_HDCP_STATUS_HDCP2_VALIDATE_L_PRIME_FAILURE: 224 return "MOD_HDCP_STATUS_HDCP2_VALIDATE_L_PRIME_FAILURE"; 225 case MOD_HDCP_STATUS_HDCP2_PREP_EKS_FAILURE: 226 return "MOD_HDCP_STATUS_HDCP2_PREP_EKS_FAILURE"; 227 case MOD_HDCP_STATUS_HDCP2_ENABLE_ENCRYPTION_FAILURE: 228 return "MOD_HDCP_STATUS_HDCP2_ENABLE_ENCRYPTION_FAILURE"; 229 case MOD_HDCP_STATUS_HDCP2_VALIDATE_RX_ID_LIST_FAILURE: 230 return "MOD_HDCP_STATUS_HDCP2_VALIDATE_RX_ID_LIST_FAILURE"; 231 case MOD_HDCP_STATUS_HDCP2_RX_ID_LIST_REVOKED: 232 return "MOD_HDCP_STATUS_HDCP2_RX_ID_LIST_REVOKED"; 233 case MOD_HDCP_STATUS_HDCP2_RX_ID_LIST_NOT_READY: 234 return "MOD_HDCP_STATUS_HDCP2_RX_ID_LIST_NOT_READY"; 235 case MOD_HDCP_STATUS_HDCP2_ENABLE_STREAM_ENCRYPTION_FAILURE: 236 return "MOD_HDCP_STATUS_HDCP2_ENABLE_STREAM_ENCRYPTION_FAILURE"; 237 case MOD_HDCP_STATUS_HDCP2_STREAM_READY_PENDING: 238 return "MOD_HDCP_STATUS_HDCP2_STREAM_READY_PENDING"; 239 case MOD_HDCP_STATUS_HDCP2_VALIDATE_STREAM_READY_FAILURE: 240 return "MOD_HDCP_STATUS_HDCP2_VALIDATE_STREAM_READY_FAILURE"; 241 case MOD_HDCP_STATUS_HDCP2_PREPARE_STREAM_MANAGEMENT_FAILURE: 242 return "MOD_HDCP_STATUS_HDCP2_PREPARE_STREAM_MANAGEMENT_FAILURE"; 243 case MOD_HDCP_STATUS_HDCP2_REAUTH_REQUEST: 244 return "MOD_HDCP_STATUS_HDCP2_REAUTH_REQUEST"; 245 case MOD_HDCP_STATUS_HDCP2_REAUTH_LINK_INTEGRITY_FAILURE: 246 return "MOD_HDCP_STATUS_HDCP2_REAUTH_LINK_INTEGRITY_FAILURE"; 247 case MOD_HDCP_STATUS_HDCP2_DEVICE_COUNT_MISMATCH_FAILURE: 248 return "MOD_HDCP_STATUS_HDCP2_DEVICE_COUNT_MISMATCH_FAILURE"; 249 case MOD_HDCP_STATUS_UNSUPPORTED_PSP_VER_FAILURE: 250 return "MOD_HDCP_STATUS_UNSUPPORTED_PSP_VER_FAILURE"; 251 default: 252 return "MOD_HDCP_STATUS_UNKNOWN"; 253 } 254} 255 256char *mod_hdcp_state_id_to_str(int32_t id) 257{ 258 switch (id) { 259 case HDCP_UNINITIALIZED: 260 return "HDCP_UNINITIALIZED"; 261 case HDCP_INITIALIZED: 262 return "HDCP_INITIALIZED"; 263 case HDCP_CP_NOT_DESIRED: 264 return "HDCP_CP_NOT_DESIRED"; 265 case H1_A0_WAIT_FOR_ACTIVE_RX: 266 return "H1_A0_WAIT_FOR_ACTIVE_RX"; 267 case H1_A1_EXCHANGE_KSVS: 268 return "H1_A1_EXCHANGE_KSVS"; 269 case H1_A2_COMPUTATIONS_A3_VALIDATE_RX_A6_TEST_FOR_REPEATER: 270 return "H1_A2_COMPUTATIONS_A3_VALIDATE_RX_A6_TEST_FOR_REPEATER"; 271 case H1_A45_AUTHENTICATED: 272 return "H1_A45_AUTHENTICATED"; 273 case H1_A8_WAIT_FOR_READY: 274 return "H1_A8_WAIT_FOR_READY"; 275 case H1_A9_READ_KSV_LIST: 276 return "H1_A9_READ_KSV_LIST"; 277 case D1_A0_DETERMINE_RX_HDCP_CAPABLE: 278 return "D1_A0_DETERMINE_RX_HDCP_CAPABLE"; 279 case D1_A1_EXCHANGE_KSVS: 280 return "D1_A1_EXCHANGE_KSVS"; 281 case D1_A23_WAIT_FOR_R0_PRIME: 282 return "D1_A23_WAIT_FOR_R0_PRIME"; 283 case D1_A2_COMPUTATIONS_A3_VALIDATE_RX_A5_TEST_FOR_REPEATER: 284 return "D1_A2_COMPUTATIONS_A3_VALIDATE_RX_A5_TEST_FOR_REPEATER"; 285 case D1_A4_AUTHENTICATED: 286 return "D1_A4_AUTHENTICATED"; 287 case D1_A6_WAIT_FOR_READY: 288 return "D1_A6_WAIT_FOR_READY"; 289 case D1_A7_READ_KSV_LIST: 290 return "D1_A7_READ_KSV_LIST"; 291 case H2_A0_KNOWN_HDCP2_CAPABLE_RX: 292 return "H2_A0_KNOWN_HDCP2_CAPABLE_RX"; 293 case H2_A1_SEND_AKE_INIT: 294 return "H2_A1_SEND_AKE_INIT"; 295 case H2_A1_VALIDATE_AKE_CERT: 296 return "H2_A1_VALIDATE_AKE_CERT"; 297 case H2_A1_SEND_NO_STORED_KM: 298 return "H2_A1_SEND_NO_STORED_KM"; 299 case H2_A1_READ_H_PRIME: 300 return "H2_A1_READ_H_PRIME"; 301 case H2_A1_READ_PAIRING_INFO_AND_VALIDATE_H_PRIME: 302 return "H2_A1_READ_PAIRING_INFO_AND_VALIDATE_H_PRIME"; 303 case H2_A1_SEND_STORED_KM: 304 return "H2_A1_SEND_STORED_KM"; 305 case H2_A1_VALIDATE_H_PRIME: 306 return "H2_A1_VALIDATE_H_PRIME"; 307 case H2_A2_LOCALITY_CHECK: 308 return "H2_A2_LOCALITY_CHECK"; 309 case H2_A3_EXCHANGE_KS_AND_TEST_FOR_REPEATER: 310 return "H2_A3_EXCHANGE_KS_AND_TEST_FOR_REPEATER"; 311 case H2_ENABLE_ENCRYPTION: 312 return "H2_ENABLE_ENCRYPTION"; 313 case H2_A5_AUTHENTICATED: 314 return "H2_A5_AUTHENTICATED"; 315 case H2_A6_WAIT_FOR_RX_ID_LIST: 316 return "H2_A6_WAIT_FOR_RX_ID_LIST"; 317 case H2_A78_VERIFY_RX_ID_LIST_AND_SEND_ACK: 318 return "H2_A78_VERIFY_RX_ID_LIST_AND_SEND_ACK"; 319 case H2_A9_SEND_STREAM_MANAGEMENT: 320 return "H2_A9_SEND_STREAM_MANAGEMENT"; 321 case H2_A9_VALIDATE_STREAM_READY: 322 return "H2_A9_VALIDATE_STREAM_READY"; 323 case D2_A0_DETERMINE_RX_HDCP_CAPABLE: 324 return "D2_A0_DETERMINE_RX_HDCP_CAPABLE"; 325 case D2_A1_SEND_AKE_INIT: 326 return "D2_A1_SEND_AKE_INIT"; 327 case D2_A1_VALIDATE_AKE_CERT: 328 return "D2_A1_VALIDATE_AKE_CERT"; 329 case D2_A1_SEND_NO_STORED_KM: 330 return "D2_A1_SEND_NO_STORED_KM"; 331 case D2_A1_READ_H_PRIME: 332 return "D2_A1_READ_H_PRIME"; 333 case D2_A1_READ_PAIRING_INFO_AND_VALIDATE_H_PRIME: 334 return "D2_A1_READ_PAIRING_INFO_AND_VALIDATE_H_PRIME"; 335 case D2_A1_SEND_STORED_KM: 336 return "D2_A1_SEND_STORED_KM"; 337 case D2_A1_VALIDATE_H_PRIME: 338 return "D2_A1_VALIDATE_H_PRIME"; 339 case D2_A2_LOCALITY_CHECK: 340 return "D2_A2_LOCALITY_CHECK"; 341 case D2_A34_EXCHANGE_KS_AND_TEST_FOR_REPEATER: 342 return "D2_A34_EXCHANGE_KS_AND_TEST_FOR_REPEATER"; 343 case D2_SEND_CONTENT_STREAM_TYPE: 344 return "D2_SEND_CONTENT_STREAM_TYPE"; 345 case D2_ENABLE_ENCRYPTION: 346 return "D2_ENABLE_ENCRYPTION"; 347 case D2_A5_AUTHENTICATED: 348 return "D2_A5_AUTHENTICATED"; 349 case D2_A6_WAIT_FOR_RX_ID_LIST: 350 return "D2_A6_WAIT_FOR_RX_ID_LIST"; 351 case D2_A78_VERIFY_RX_ID_LIST_AND_SEND_ACK: 352 return "D2_A78_VERIFY_RX_ID_LIST_AND_SEND_ACK"; 353 case D2_A9_SEND_STREAM_MANAGEMENT: 354 return "D2_A9_SEND_STREAM_MANAGEMENT"; 355 case D2_A9_VALIDATE_STREAM_READY: 356 return "D2_A9_VALIDATE_STREAM_READY"; 357 default: 358 return "UNKNOWN_STATE_ID"; 359 } 360} 361 362