[SWDEV-522623] Add afid functionality to API and CLI (#330)

Change-Id: I015bde926491d54e09da8f39b05650515711e09f

[SWDEV-522623] Add afid functionality to API and CLI


Change-Id: I015bde926491d54e09da8f39b05650515711e09f

Signed-off-by: Oosman Saeed <oossaeed@amd.com>
Co-authored-by: Oosman Saeed <oossaeed@amd.com>

include/aca-decode/aca_decode.h

@@ -0,0 +1,64 @@
+/**
+ * @file aca_decode.h
+ * @brief Internal decoder interface and data structures
+ */
+#ifndef ACA_DECODE_H
+#define ACA_DECODE_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "aca_fields.h"
+
+/**
+ * @brief Internal decoder structure with parsed register fields
+ */
+typedef struct
+{
+    uint64_t aca_status;  /**< Raw status register value */
+    uint64_t aca_ipid;    /**< Raw IPID register value */
+    uint64_t aca_synd;    /**< Raw syndrome register value */
+    uint32_t flags;       /**< Decoder flags */
+    uint16_t hw_revision; /**< Hardware hw_revision */
+
+    aca_status_fields_t status; /**< Parsed status fields */
+    aca_ipid_fields_t ipid;     /**< Parsed IPID fields */
+    aca_synd_fields_t synd;     /**< Parsed syndrome fields */
+} aca_decoder_t;
+
+/**
+ * @brief Structure containing raw ACA error data from hardware
+ */
+typedef struct
+{
+    uint64_t aca_status;  /**< Raw status register value */
+    uint64_t aca_ipid;    /**< Raw IPID register value */
+    uint64_t aca_synd;    /**< Raw syndrome register value */
+    uint32_t flags;       /**< Flags from descriptor */
+    uint16_t hw_revision; /**< Hardware hw_revision number */
+} aca_raw_data_t;
+
+/**
+ * @brief Structure containing decoded error information
+ */
+typedef struct
+{
+    const char *bank_ref;       /**< Reference to bank name string */
+    const char *error_type_ref; /**< Reference to error type string */
+    const char *severity_ref;   /**< Reference to error severity string */
+    const char *category_ref;   /**< Reference to error category string */
+    int afid;                   /**< AFID value (AMD Field ID) */
+} aca_error_info_t;
+
+/**
+ * @brief Main decode function that processes raw ACA error data
+ * @param[in] raw_data Pointer to structure containing raw ACA error data
+ * @return Decoded error information structure
+ */
+aca_error_info_t aca_decode(const aca_raw_data_t *raw_data);
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* ACA_DECODE_H */