| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * CAAM Error Reporting |
| * |
| * Copyright 2009-2014 Freescale Semiconductor, Inc. |
| * |
| * Derived from error.c file in linux drivers/crypto/caam |
| */ |
| |
| #include <log.h> |
| #include <malloc.h> |
| #include <vsprintf.h> |
| #include "desc.h" |
| #include "jr.h" |
| |
| #define CAAM_ERROR_STR_MAX 302 |
| |
| #define JRSTA_SSRC_SHIFT 28 |
| #define JRSTA_CCBERR_CHAID_MASK 0x00f0 |
| #define JRSTA_CCBERR_CHAID_SHIFT 4 |
| #define JRSTA_CCBERR_ERRID_MASK 0x000 |
| #define JRSTA_CCBERR_CHAID_RNG (0x05 << JRSTA_CCBERR_CHAID_SHIFT) |
| |
| #define JRSTA_DECOERR_JUMP 0x08000000 |
| #define JRSTA_DECOERR_INDEX_SHIFT 8 |
| #define JRSTA_DECOERR_INDEX_MASK 0xff00 |
| #define JRSTA_DECOERR_ERROR_MASK 0x00ff |
| |
| static const struct { |
| u8 value; |
| const char *error_text; |
| } desc_error_list[] = { |
| { 0x00, "No error." }, |
| { 0x01, "SGT Length Error. The descriptor is trying to read" \ |
| " more data than is contained in the SGT table." }, |
| { 0x02, "SGT Null Entry Error." }, |
| { 0x03, "Job Ring Control Error. Bad value in Job Ring Control reg." }, |
| { 0x04, "Invalid Descriptor Command." }, |
| { 0x05, "Reserved." }, |
| { 0x06, "Invalid KEY Command" }, |
| { 0x07, "Invalid LOAD Command" }, |
| { 0x08, "Invalid STORE Command" }, |
| { 0x09, "Invalid OPERATION Command" }, |
| { 0x0A, "Invalid FIFO LOAD Command" }, |
| { 0x0B, "Invalid FIFO STORE Command" }, |
| { 0x0C, "Invalid MOVE/MOVE_LEN Command" }, |
| { 0x0D, "Invalid JUMP Command" }, |
| { 0x0E, "Invalid MATH Command" }, |
| { 0x0F, "Invalid SIGNATURE Command" }, |
| { 0x10, "Invalid Sequence Command" }, |
| { 0x11, "Skip data type invalid. The type must be 0xE or 0xF."}, |
| { 0x12, "Shared Descriptor Header Error" }, |
| { 0x13, "Header Error. Invalid length or parity, or other problems." }, |
| { 0x14, "Burster Error. Burster has gotten to an illegal state" }, |
| { 0x15, "Context Register Length Error" }, |
| { 0x16, "DMA Error" }, |
| { 0x17, "Reserved." }, |
| { 0x1A, "Job failed due to JR reset" }, |
| { 0x1B, "Job failed due to Fail Mode" }, |
| { 0x1C, "DECO Watchdog timer timeout error" }, |
| { 0x1D, "DECO tried to copy a key from another DECO but" \ |
| " the other DECO's Key Registers were locked" }, |
| { 0x1E, "DECO attempted to copy data from a DECO" \ |
| "that had an unmasked Descriptor error" }, |
| { 0x1F, "LIODN error" }, |
| { 0x20, "DECO has completed a reset initiated via the DRR register" }, |
| { 0x21, "Nonce error" }, |
| { 0x22, "Meta data is too large (> 511 bytes) for TLS decap" }, |
| { 0x23, "Read Input Frame error" }, |
| { 0x24, "JDKEK, TDKEK or TDSK not loaded error" }, |
| { 0x80, "DNR (do not run) error" }, |
| { 0x81, "undefined protocol command" }, |
| { 0x82, "invalid setting in PDB" }, |
| { 0x83, "Anti-replay LATE error" }, |
| { 0x84, "Anti-replay REPLAY error" }, |
| { 0x85, "Sequence number overflow" }, |
| { 0x86, "Sigver invalid signature" }, |
| { 0x87, "DSA Sign Illegal test descriptor" }, |
| { 0x88, "Protocol Format Error" }, |
| { 0x89, "Protocol Size Error" }, |
| { 0xC1, "Blob Command error: Undefined mode" }, |
| { 0xC2, "Blob Command error: Secure Memory Blob mode error" }, |
| { 0xC4, "Blob Command error: Black Blob key or input size error" }, |
| { 0xC5, "Blob Command error: Invalid key destination" }, |
| { 0xC8, "Blob Command error: Trusted/Secure mode error" }, |
| { 0xF0, "IPsec TTL or hop limit field is 0, or was decremented to 0" }, |
| { 0xF1, "3GPP HFN matches or exceeds the Threshold" }, |
| }; |
| |
| static const char * const cha_id_list[] = { |
| "", |
| "AES", |
| "DES", |
| "ARC4", |
| "MDHA", |
| "RNG", |
| "SNOW f8", |
| "Kasumi f8/9", |
| "PKHA", |
| "CRCA", |
| "SNOW f9", |
| "ZUCE", |
| "ZUCA", |
| }; |
| |
| static const char * const err_id_list[] = { |
| "No error.", |
| "Mode error.", |
| "Data size error.", |
| "Key size error.", |
| "PKHA A memory size error.", |
| "PKHA B memory size error.", |
| "Data arrived out of sequence error.", |
| "PKHA divide-by-zero error.", |
| "PKHA modulus even error.", |
| "DES key parity error.", |
| "ICV check failed.", |
| "Hardware error.", |
| "Unsupported CCM AAD size.", |
| "Class 1 CHA is not reset", |
| "Invalid CHA combination was selected", |
| "Invalid CHA selected.", |
| }; |
| |
| static const char * const rng_err_id_list[] = { |
| "", |
| "", |
| "", |
| "Instantiate", |
| "Not instantiated", |
| "Test instantiate", |
| "Prediction resistance", |
| "Prediction resistance and test request", |
| "Uninstantiate", |
| "Secure key generation", |
| }; |
| |
| static void report_ccb_status(const u32 status, |
| const char *error) |
| { |
| u8 cha_id = (status & JRSTA_CCBERR_CHAID_MASK) >> |
| JRSTA_CCBERR_CHAID_SHIFT; |
| u8 err_id = status & JRSTA_CCBERR_ERRID_MASK; |
| u8 idx = (status & JRSTA_DECOERR_INDEX_MASK) >> |
| JRSTA_DECOERR_INDEX_SHIFT; |
| char *idx_str; |
| const char *cha_str = "unidentified cha_id value 0x"; |
| char cha_err_code[3] = { 0 }; |
| const char *err_str = "unidentified err_id value 0x"; |
| char err_err_code[3] = { 0 }; |
| |
| if (status & JRSTA_DECOERR_JUMP) |
| idx_str = "jump tgt desc idx"; |
| else |
| idx_str = "desc idx"; |
| |
| if (cha_id < ARRAY_SIZE(cha_id_list)) |
| cha_str = cha_id_list[cha_id]; |
| else |
| snprintf(cha_err_code, sizeof(cha_err_code), "%02x", cha_id); |
| |
| if ((cha_id << JRSTA_CCBERR_CHAID_SHIFT) == JRSTA_CCBERR_CHAID_RNG && |
| err_id < ARRAY_SIZE(rng_err_id_list) && |
| strlen(rng_err_id_list[err_id])) { |
| /* RNG-only error */ |
| err_str = rng_err_id_list[err_id]; |
| } else if (err_id < ARRAY_SIZE(err_id_list)) { |
| err_str = err_id_list[err_id]; |
| } else { |
| snprintf(err_err_code, sizeof(err_err_code), "%02x", err_id); |
| } |
| |
| debug("%08x: %s: %s %d: %s%s: %s%s\n", |
| status, error, idx_str, idx, |
| cha_str, cha_err_code, |
| err_str, err_err_code); |
| } |
| |
| static void report_jump_status(const u32 status, |
| const char *error) |
| { |
| debug("%08x: %s: %s() not implemented\n", |
| status, error, __func__); |
| } |
| |
| static void report_deco_status(const u32 status, |
| const char *error) |
| { |
| u8 err_id = status & JRSTA_DECOERR_ERROR_MASK; |
| u8 idx = (status & JRSTA_DECOERR_INDEX_MASK) >> |
| JRSTA_DECOERR_INDEX_SHIFT; |
| char *idx_str; |
| const char *err_str = "unidentified error value 0x"; |
| char err_err_code[3] = { 0 }; |
| int i; |
| |
| if (status & JRSTA_DECOERR_JUMP) |
| idx_str = "jump tgt desc idx"; |
| else |
| idx_str = "desc idx"; |
| |
| for (i = 0; i < ARRAY_SIZE(desc_error_list); i++) |
| if (desc_error_list[i].value == err_id) |
| break; |
| |
| if (i != ARRAY_SIZE(desc_error_list) && desc_error_list[i].error_text) |
| err_str = desc_error_list[i].error_text; |
| else |
| snprintf(err_err_code, sizeof(err_err_code), "%02x", err_id); |
| |
| debug("%08x: %s: %s %d: %s%s\n", |
| status, error, idx_str, idx, err_str, err_err_code); |
| } |
| |
| static void report_jr_status(const u32 status, |
| const char *error) |
| { |
| debug("%08x: %s: %s() not implemented\n", |
| status, error, __func__); |
| } |
| |
| static void report_cond_code_status(const u32 status, |
| const char *error) |
| { |
| debug("%08x: %s: %s() not implemented\n", |
| status, error, __func__); |
| } |
| |
| void caam_jr_strstatus(u32 status) |
| { |
| static const struct stat_src { |
| void (*report_ssed)(const u32 status, |
| const char *error); |
| const char *error; |
| } status_src[] = { |
| { NULL, "No error" }, |
| { NULL, NULL }, |
| { report_ccb_status, "CCB" }, |
| { report_jump_status, "Jump" }, |
| { report_deco_status, "DECO" }, |
| { NULL, NULL }, |
| { report_jr_status, "Job Ring" }, |
| { report_cond_code_status, "Condition Code" }, |
| }; |
| u32 ssrc = status >> JRSTA_SSRC_SHIFT; |
| const char *error = status_src[ssrc].error; |
| |
| /* |
| * If there is no further error handling function, just |
| * print the error code, error string and exit. Otherwise |
| * call the handler function. |
| */ |
| if (!status_src[ssrc].report_ssed) |
| debug("%08x: %s:\n", status, status_src[ssrc].error); |
| else |
| status_src[ssrc].report_ssed(status, error); |
| } |