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******************************************************************************/

/*******************************************************************************
* tpm_trace.c
*
* DESCRIPTION:
*               Traffic Processor Manager = TPM
*
* DEPENDENCIES:
*               None
*
* CREATED BY:   OctaviaP
*
* DATE CREATED:
*
* FILE REVISION NUMBER:
*               Revision: 1.1.1.1
*
*
*******************************************************************************/
#define _TPM_TRACE_C_

#include "tpm_common.h"
#include "tpm_header.h"

/* Global variables */
uint32_t tpm_glob_trace = TPM_WARN_TRACE_LEVEL | TPM_ALL_MOD;
/*uint32_t tpm_glob_trace = TPM_DEBUG_TRACE_LEVEL | TPM_ALL_MOD; */

unsigned long print_wait_time;

/*******************************************************************************
* tpm_trace_enable_module()
*
* DESCRIPTION:      Enables tracing for a TPM module
*
* INPUTS:
* module         - Module to enable tracing for (see tpm_trace.h for list)

* OUTPUTS:
*
* RETURNS:
* On success, the function returns TPM_DB_OK. On error different types are returned
* according to the case - see tpm_db_err_t.
*
* COMMENTS:
*
*******************************************************************************/
static tpm_error_code_t tpm_trace_enable_module(uint32_t module)
{
	tpm_error_code_t rc = TPM_RC_OK;

	if (module == TPM_APPL_MAX_MOD)
		tpm_glob_trace |= TPM_ALL_MOD; /* TPM trace is enabled for all applications */
	else {
		switch (module) {
		case TPM_APPL_DB_MOD:
			tpm_glob_trace |= TPM_DB_MOD;
			break;

		case TPM_APPL_PNCL_MOD:
			tpm_glob_trace |= TPM_PNCL_MOD;
			break;

		case TPM_APPL_INIT_MOD:
			tpm_glob_trace |= TPM_INIT_MOD;
			break;

		case TPM_APPL_HWM_MOD:
			tpm_glob_trace |= TPM_HWM_MOD;
			break;

		case TPM_APPL_MODL_MOD:
			tpm_glob_trace |= TPM_MODL_MOD;
			break;

		case TPM_APPL_TPM_LOG_MOD:
			tpm_glob_trace |= TPM_TPM_LOG_MOD;
			break;

		case TPM_APPL_CLI_MOD:
			tpm_glob_trace |= TPM_CLI_MOD;
			break;

		case TPM_APPL_PNC_HM_MOD:
			tpm_glob_trace |= TPM_PNC_HM_MOD;
			break;

		case TPM_APPL_MODZ1_HM_MOD:
			tpm_glob_trace |= TPM_MODZ1_HM_MOD;
			break;

		case TPM_APPL_MODZ2_HM_MOD:
			tpm_glob_trace |= TPM_MODZ2_HM_MOD;
			break;

		default:
			rc = ERR_GENERAL;
			printk(KERN_ERR "Invalid application module - %d\n", module);
			break;
		}
	}

	return rc;
}

/*******************************************************************************
* tpm_trace_disable_module()
*
* DESCRIPTION:     Disables tracing for a TPM module
*
* INPUTS:
* module         - Module to disable tracing for (see tpm_trace.h for list)

* OUTPUTS:
*
* RETURNS:
* On success, the function returns TPM_DB_OK. On error different types are returned
* according to the case - see tpm_db_err_t.
*
* COMMENTS:
*
*******************************************************************************/
static tpm_error_code_t tpm_trace_disable_module(uint32_t module)
{
	tpm_error_code_t rc = TPM_RC_OK;

	if (module == TPM_APPL_MAX_MOD)
		tpm_glob_trace &= ~(TPM_ALL_MOD); /* TPM trace is disabled for all applications */
	else {
		switch (module) {
		case TPM_APPL_DB_MOD:
			tpm_glob_trace &= ~(TPM_DB_MOD);
			break;

		case TPM_APPL_PNCL_MOD:
			tpm_glob_trace &= ~(TPM_PNCL_MOD);
			break;

		case TPM_APPL_INIT_MOD:
			tpm_glob_trace &= ~(TPM_INIT_MOD);
			break;

		case TPM_APPL_HWM_MOD:
			tpm_glob_trace &= ~(TPM_HWM_MOD);
			break;

		case TPM_APPL_MODL_MOD:
			tpm_glob_trace &= ~(TPM_MODL_MOD);
			break;

		case TPM_APPL_TPM_LOG_MOD:
			tpm_glob_trace &= ~(TPM_TPM_LOG_MOD);
			break;

		case TPM_APPL_CLI_MOD:
			tpm_glob_trace &= ~(TPM_CLI_MOD);
			break;

		case TPM_APPL_PNC_HM_MOD:
			tpm_glob_trace &= ~(TPM_PNC_HM_MOD);
			break;

		case TPM_APPL_MODZ1_HM_MOD:
			tpm_glob_trace &= ~(TPM_MODZ1_HM_MOD);
			break;

		case TPM_APPL_MODZ2_HM_MOD:
			tpm_glob_trace &= ~(TPM_MODZ2_HM_MOD);
			break;

		default:
			rc = ERR_GENERAL;
			printk(KERN_ERR "Invalid application module - %d\n", module);
			break;
		}
	}

	return rc;
}

/*******************************************************************************
* tpm_trace_set()
*
* DESCRIPTION:     Disables tracing for a TPM module
*
* INPUTS:
*           level  - trace level

* OUTPUTS:
*
* RETURNS:
* On success, the function returns TPM_DB_OK. On error different types are returned
* according to the case - see tpm_db_err_t.
*
* COMMENTS:
*
*******************************************************************************/
tpm_error_code_t tpm_trace_set(uint32_t level)
{
	tpm_error_code_t rc = TPM_RC_OK;
	uint32_t temp_gl_trace;

	if (level >= TPM_APPL_LEVEL_MAX) {
		printk(KERN_ERR "Invalid level - %d\n", level);
		rc = ERR_GENERAL;
	} else {
		if (level == TPM_APPL_LEVEL_NONE)
			tpm_glob_trace &= ~(TPM_ALL_TRACE_LEVEL);
		else {
			temp_gl_trace = tpm_glob_trace & TPM_ALL_MOD;

			switch (level) {
			case TPM_APPL_LEVEL_DEBUG:
				tpm_glob_trace = temp_gl_trace | TPM_DEBUG_TRACE_LEVEL;
				break;

			case TPM_APPL_LEVEL_INFO:
				tpm_glob_trace = temp_gl_trace | TPM_INFO_TRACE_LEVEL;
				break;

			case TPM_APPL_LEVEL_WARN:
				tpm_glob_trace = temp_gl_trace | TPM_WARN_TRACE_LEVEL;
				break;

			case TPM_APPL_LEVEL_ERROR:
				tpm_glob_trace = temp_gl_trace | TPM_ERROR_TRACE_LEVEL;
				break;

			case TPM_APPL_LEVEL_FATAL:
				tpm_glob_trace = temp_gl_trace | TPM_FATAL_TRACE_LEVEL;
				break;
			}
		}
	}

	return rc;
}

/*******************************************************************************
* tpm_trace_module_set()
*
* DESCRIPTION:     Set trace module
*
* INPUTS:
* module         - Module to disable tracing for (see tpm_trace.h for list)

* OUTPUTS:
*
* RETURNS:
* On success, the function returns TPM_DB_OK. On error different types are returned
* according to the case - see tpm_db_err_t.
*
* COMMENTS:
*
*******************************************************************************/
tpm_error_code_t tpm_trace_module_set(uint32_t module, uint32_t en_dis)
{
	tpm_error_code_t rc = TPM_RC_OK;

	if (en_dis)
		rc = tpm_trace_enable_module(module);
	else
		rc = tpm_trace_disable_module(module);

	return rc;
}

tpm_error_code_t tpm_trace_status_print(void)
{
	tpm_error_code_t rc = TPM_RC_OK;
	uint16_t module;

	module = tpm_glob_trace & TPM_ALL_MOD;

	printk(KERN_WARNING "===================================\n");
	printk(KERN_WARNING "Trace levels:\n");
	printk(KERN_WARNING "===================================\n");
	printk(KERN_WARNING "Fatal errors                     %s\n", (tpm_glob_trace&TPM_FATAL_MASK) ? "+" : "-");
	printk(KERN_WARNING "Errors                           %s\n", (tpm_glob_trace&TPM_ERROR_MASK) ? "+" : "-");
	printk(KERN_WARNING "Warnings                         %s\n", (tpm_glob_trace&TPM_WARN_MASK) ? "+" : "-");
	printk(KERN_WARNING "Information messages             %s\n", (tpm_glob_trace&TPM_INFO_MASK) ? "+" : "-");
	printk(KERN_WARNING "Debug messages                   %s\n", (tpm_glob_trace&TPM_DEBUG_MASK) ? "+" : "-");
	printk(KERN_WARNING "===================================\n");
	printk(KERN_WARNING "Application modules:\n");
	printk(KERN_WARNING "===================================\n");
	printk(KERN_WARNING "DB                               %s\n", (module&TPM_DB_MOD) ? "+" : "-");
	printk(KERN_WARNING "PNCL                             %s\n", (module&TPM_PNCL_MOD) ? "+" : "-");
	printk(KERN_WARNING "INIT                             %s\n", (module&TPM_INIT_MOD) ? "+" : "-");
	printk(KERN_WARNING "HWM                              %s\n", (module&TPM_HWM_MOD) ? "+" : "-");
	printk(KERN_WARNING "MODL                             %s\n", (module&TPM_MODL_MOD) ? "+" : "-");
	printk(KERN_WARNING "TPM LOG                          %s\n", (module&TPM_TPM_LOG_MOD) ? "+" : "-");
	printk(KERN_WARNING "CLI                              %s\n", (module&TPM_CLI_MOD) ? "+" : "-");
	printk(KERN_WARNING "PNC HM                           %s\n", (module&TPM_PNC_HM_MOD) ? "+" : "-");
	printk(KERN_WARNING "MODZ1 HM                         %s\n", (module&TPM_MODZ1_HM_MOD) ? "+" : "-");
	printk(KERN_WARNING "MODZ2 HM                         %s\n", (module&TPM_MODZ2_HM_MOD) ? "+" : "-");
	printk(KERN_WARNING "===================================\n");

	return rc;
}