Line data    Source code

       1              : /**
       2              :  *  Copyright Notice:
       3              :  *  Copyright 2021-2024 DMTF. All rights reserved.
       4              :  *  License: BSD 3-Clause License. For full text see link: https://github.com/DMTF/libspdm/blob/main/LICENSE.md
       5              :  **/
       6              : 
       7              : #include "internal/libspdm_common_lib.h"
       8              : 
       9              : #if LIBSPDM_ENABLE_MSG_LOG
      10            1 : void libspdm_init_msg_log (void *spdm_context, void *msg_buffer, size_t msg_buffer_size)
      11              : {
      12              :     libspdm_context_t *context;
      13              : 
      14            1 :     LIBSPDM_ASSERT((spdm_context != NULL) && (msg_buffer != NULL));
      15            1 :     LIBSPDM_ASSERT(msg_buffer_size != 0);
      16              : 
      17            1 :     context = spdm_context;
      18            1 :     context->msg_log.buffer = msg_buffer;
      19            1 :     context->msg_log.max_buffer_size = msg_buffer_size;
      20            1 :     context->msg_log.buffer_size = 0;
      21            1 :     context->msg_log.mode = 0;
      22            1 :     context->msg_log.status = 0;
      23            1 : }
      24              : 
      25            1 : void libspdm_set_msg_log_mode (void *spdm_context, uint32_t mode)
      26              : {
      27              :     libspdm_context_t *context;
      28              : 
      29            1 :     LIBSPDM_ASSERT(spdm_context != NULL);
      30              : 
      31            1 :     context = spdm_context;
      32            1 :     context->msg_log.mode = mode;
      33            1 : }
      34              : 
      35            0 : uint32_t libspdm_get_msg_log_status (void *spdm_context)
      36              : {
      37              :     libspdm_context_t *context;
      38              : 
      39            0 :     LIBSPDM_ASSERT(spdm_context != NULL);
      40              : 
      41            0 :     context = spdm_context;
      42              : 
      43            0 :     return context->msg_log.status;
      44              : }
      45              : 
      46        68169 : size_t libspdm_get_msg_log_size (void *spdm_context)
      47              : {
      48              :     libspdm_context_t *context;
      49              : 
      50        68169 :     LIBSPDM_ASSERT(spdm_context != NULL);
      51              : 
      52        68169 :     context = spdm_context;
      53              : 
      54        68169 :     return context->msg_log.buffer_size;
      55              : }
      56              : 
      57            1 : void libspdm_reset_msg_log (void *spdm_context)
      58              : {
      59              :     libspdm_context_t *context;
      60              : 
      61            1 :     LIBSPDM_ASSERT(spdm_context != NULL);
      62              : 
      63            1 :     context = spdm_context;
      64              : 
      65            1 :     context->msg_log.buffer_size = 0;
      66            1 :     context->msg_log.mode = 0;
      67            1 :     context->msg_log.status = 0;
      68            1 : }
      69              : 
      70        69991 : void libspdm_append_msg_log(libspdm_context_t *spdm_context, void *message, size_t message_size)
      71              : {
      72        69991 :     LIBSPDM_ASSERT((spdm_context != NULL) && (message != NULL));
      73              : 
      74        69991 :     if (((spdm_context->msg_log.mode & LIBSPDM_MSG_LOG_MODE_ENABLE) != 0) &&
      75            2 :         ((spdm_context->msg_log.status & LIBSPDM_MSG_LOG_STATUS_BUFFER_FULL) == 0)) {
      76            2 :         if (spdm_context->msg_log.buffer_size + message_size >
      77            2 :             spdm_context->msg_log.max_buffer_size) {
      78            0 :             libspdm_copy_mem((uint8_t *)spdm_context->msg_log.buffer +
      79            0 :                              spdm_context->msg_log.buffer_size,
      80              :                              spdm_context->msg_log.max_buffer_size, message,
      81            0 :                              spdm_context->msg_log.max_buffer_size -
      82            0 :                              spdm_context->msg_log.buffer_size);
      83            0 :             spdm_context->msg_log.status |= LIBSPDM_MSG_LOG_STATUS_BUFFER_FULL;
      84            0 :             spdm_context->msg_log.buffer_size = spdm_context->msg_log.max_buffer_size;
      85              :         } else {
      86            2 :             libspdm_copy_mem((uint8_t *)spdm_context->msg_log.buffer +
      87            2 :                              spdm_context->msg_log.buffer_size,
      88              :                              spdm_context->msg_log.max_buffer_size, message, message_size);
      89            2 :             spdm_context->msg_log.buffer_size += message_size;
      90              :         }
      91              : 
      92            2 :         LIBSPDM_DEBUG((LIBSPDM_DEBUG_INFO, "Message Logging Status = [%x] Buffer Size = [%zx] "
      93              :                        "Max Buffer Size = [%zx]\n", spdm_context->msg_log.status,
      94              :                        spdm_context->msg_log.buffer_size, spdm_context->msg_log.max_buffer_size));
      95            2 :         LIBSPDM_INTERNAL_DUMP_HEX(spdm_context->msg_log.buffer, spdm_context->msg_log.buffer_size);
      96              :     }
      97        69991 : }
      98              : #endif /* LIBSPDM_ENABLE_MSG_LOG */