| /* |
| * CAAM Error Reporting |
| * |
| * Copyright 2009-2011 Freescale Semiconductor, Inc. |
| */ |
| |
| #include "compat.h" |
| #include "regs.h" |
| #include "intern.h" |
| #include "desc.h" |
| #include "jr.h" |
| #include "error.h" |
| |
| static const struct { |
| u8 value; |
| 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. There is a bad value in the " |
| "Job Ring Control register." }, |
| { 0x04, "Invalid Descriptor Command. The Descriptor Command " |
| "field is invalid." }, |
| { 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. A nonlocal JUMP Command is " |
| "invalid because the target is not a Job Header " |
| "Command, or the jump is from a Trusted Descriptor to " |
| "a Job Descriptor, or because the target Descriptor " |
| "contains a Shared Descriptor." }, |
| { 0x0E, "Invalid MATH Command" }, |
| { 0x0F, "Invalid SIGNATURE Command" }, |
| { 0x10, "Invalid Sequence Command. A SEQ IN PTR OR SEQ OUT PTR " |
| "Command is invalid or a SEQ KEY, SEQ LOAD, SEQ FIFO " |
| "LOAD, or SEQ FIFO STORE decremented the input or " |
| "output sequence length below 0. This error may result " |
| "if a built-in PROTOCOL Command has encountered a " |
| "malformed PDU." }, |
| { 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 certain " |
| "other problems." }, |
| { 0x14, "Burster Error. Burster has gotten to an illegal " |
| "state" }, |
| { 0x15, "Context Register Length Error. The descriptor is " |
| "trying to read or write past the end of the Context " |
| "Register. A SEQ LOAD or SEQ STORE with the VLF bit " |
| "set was executed with too large a length in the " |
| "variable length register (VSOL for SEQ STORE or VSIL " |
| "for SEQ LOAD)." }, |
| { 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. DECO was trying to share from itself or " |
| "from another DECO but the two Non-SEQ LIODN values " |
| "didn't match or the 'shared from' DECO's Descriptor " |
| "required that the SEQ LIODNs be the same and they " |
| "aren't." }, |
| { 0x20, "DECO has completed a reset initiated via the DRR " |
| "register" }, |
| { 0x21, "Nonce error. When using EKT (CCM) key encryption " |
| "option in the FIFO STORE Command, the Nonce counter " |
| "reached its maximum value and this encryption mode " |
| "can no longer be used." }, |
| { 0x22, "Meta data is too large (> 511 bytes) for TLS decap " |
| "(input frame; block ciphers) and IPsec decap (output " |
| "frame, when doing the next header byte update) and " |
| "DCRC (output frame)." }, |
| { 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 - A protocol has seen an error " |
| "in the format of data received. When running RSA, " |
| "this means that formatting with random padding was " |
| "used, and did not follow the form: 0x00, 0x02, 8-to-N " |
| "bytes of non-zero pad, 0x00, F data." }, |
| { 0x89, "Protocol Size Error - A protocol has seen an error in " |
| "size. When running RSA, pdb size N < (size of F) when " |
| "no formatting is used; or pdb size N < (F + 11) when " |
| "formatting is used." }, |
| { 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 either came in as 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", |
| }; |
| |
| #define SPRINTFCAT(str, format, param, max_alloc) \ |
| { \ |
| char *tmp; \ |
| \ |
| tmp = kmalloc(sizeof(format) + max_alloc, GFP_ATOMIC); \ |
| sprintf(tmp, format, param); \ |
| strcat(str, tmp); \ |
| kfree(tmp); \ |
| } |
| |
| static void report_jump_idx(u32 status, char *outstr) |
| { |
| u8 idx = (status & JRSTA_DECOERR_INDEX_MASK) >> |
| JRSTA_DECOERR_INDEX_SHIFT; |
| |
| if (status & JRSTA_DECOERR_JUMP) |
| strcat(outstr, "jump tgt desc idx "); |
| else |
| strcat(outstr, "desc idx "); |
| |
| SPRINTFCAT(outstr, "%d: ", idx, sizeof("255")); |
| } |
| |
| static void report_ccb_status(struct device *jrdev, u32 status, |
| const char *error, char *__outstr) |
| { |
| char outstr[CAAM_ERROR_STR_MAX]; |
| |
| u8 cha_id = (status & JRSTA_CCBERR_CHAID_MASK) >> |
| JRSTA_CCBERR_CHAID_SHIFT; |
| u8 err_id = status & JRSTA_CCBERR_ERRID_MASK; |
| |
| sprintf(outstr, "%s: ", error); |
| |
| report_jump_idx(status, outstr); |
| |
| if (cha_id < ARRAY_SIZE(cha_id_list)) { |
| SPRINTFCAT(outstr, "%s: ", cha_id_list[cha_id], |
| strlen(cha_id_list[cha_id])); |
| } else { |
| SPRINTFCAT(outstr, "unidentified cha_id value 0x%02x: ", |
| cha_id, sizeof("ff")); |
| } |
| |
| 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 */ |
| SPRINTFCAT(outstr, "%s", rng_err_id_list[err_id], |
| strlen(rng_err_id_list[err_id])); |
| } else if (err_id < ARRAY_SIZE(err_id_list)) { |
| SPRINTFCAT(outstr, "%s", err_id_list[err_id], |
| strlen(err_id_list[err_id])); |
| } else { |
| SPRINTFCAT(outstr, "unidentified err_id value 0x%02x", |
| err_id, sizeof("ff")); |
| } |
| |
| dev_err(jrdev, "%08x: %s\n", status, outstr); |
| } |
| |
| static void report_jump_status(struct device *jrdev, u32 status, |
| const char *error, char *outstr) |
| { |
| dev_err(jrdev, "%08x: %s: %s() not implemented\n", |
| status, error, __func__); |
| } |
| |
| static void report_deco_status(struct device *jrdev, u32 status, |
| const char *error, char *__outstr) |
| { |
| char outstr[CAAM_ERROR_STR_MAX]; |
| |
| u8 desc_error = status & JRSTA_DECOERR_ERROR_MASK; |
| int i; |
| sprintf(outstr, "%s: ", error); |
| |
| report_jump_idx(status, outstr); |
| |
| for (i = 0; i < ARRAY_SIZE(desc_error_list); i++) |
| if (desc_error_list[i].value == desc_error) |
| break; |
| |
| if (i != ARRAY_SIZE(desc_error_list) && desc_error_list[i].error_text) { |
| SPRINTFCAT(outstr, "%s", desc_error_list[i].error_text, |
| strlen(desc_error_list[i].error_text)); |
| } else { |
| SPRINTFCAT(outstr, "unidentified error value 0x%02x", |
| desc_error, sizeof("ff")); |
| } |
| |
| dev_err(jrdev, "%08x: %s\n", status, outstr); |
| } |
| |
| static void report_jr_status(struct device *jrdev, u32 status, |
| const char *error, char *outstr) |
| { |
| dev_err(jrdev, "%08x: %s: %s() not implemented\n", |
| status, error, __func__); |
| } |
| |
| static void report_cond_code_status(struct device *jrdev, u32 status, |
| const char *error, char *outstr) |
| { |
| dev_err(jrdev, "%08x: %s: %s() not implemented\n", |
| status, error, __func__); |
| } |
| |
| void caam_jr_strstatus(struct device *jrdev, u32 status) |
| { |
| static const struct stat_src { |
| void (*report_ssed)(struct device *jrdev, u32 status, |
| const char *error, char *outstr); |
| 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; |
| |
| /* |
| * If there is no further error handling function, just |
| * print the error code, error string and exit. |
| */ |
| if (!status_src[ssrc].report_ssed) { |
| dev_err(jrdev, "%08x: %s: \n", status, status_src[ssrc].error); |
| return; |
| } |
| |
| status_src[ssrc].report_ssed(jrdev, status, |
| status_src[ssrc].error, NULL); |
| } |
| EXPORT_SYMBOL(caam_jr_strstatus); |