diff options
Diffstat (limited to 'drivers/crypto/caam/error.c')
| -rw-r--r-- | drivers/crypto/caam/error.c | 393 |
1 files changed, 179 insertions, 214 deletions
diff --git a/drivers/crypto/caam/error.c b/drivers/crypto/caam/error.c index 0eabd81e1a90..6531054a44c8 100644 --- a/drivers/crypto/caam/error.c +++ b/drivers/crypto/caam/error.c @@ -11,247 +11,208 @@ #include "jr.h" #include "error.h" -#define SPRINTFCAT(str, format, param, max_alloc) \ -{ \ - char *tmp; \ - \ - tmp = kmalloc(sizeof(format) + max_alloc, GFP_ATOMIC); \ - if (likely(tmp)) { \ - sprintf(tmp, format, param); \ - strcat(str, tmp); \ - kfree(tmp); \ - } else { \ - strcat(str, "kmalloc failure in SPRINTFCAT"); \ - } \ -} - -static void report_jump_idx(u32 status, char *outstr) +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. 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", +}; + +static void report_ccb_status(struct device *jrdev, 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) - strcat(outstr, "jump tgt desc idx "); + idx_str = "jump tgt desc idx"; else - strcat(outstr, "desc idx "); - - SPRINTFCAT(outstr, "%d: ", idx, sizeof("255")); -} - -static void report_ccb_status(u32 status, char *outstr) -{ - 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", - }; - u8 cha_id = (status & JRSTA_CCBERR_CHAID_MASK) >> - JRSTA_CCBERR_CHAID_SHIFT; - u8 err_id = status & JRSTA_CCBERR_ERRID_MASK; + idx_str = "desc idx"; - 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 < 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 */ - 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")); - } + 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); + + dev_err(jrdev, "%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(u32 status, char *outstr) +static void report_jump_status(struct device *jrdev, const u32 status, + const char *error) { - SPRINTFCAT(outstr, "%s() not implemented", __func__, sizeof(__func__)); + dev_err(jrdev, "%08x: %s: %s() not implemented\n", + status, error, __func__); } -static void report_deco_status(u32 status, char *outstr) +static void report_deco_status(struct device *jrdev, const u32 status, + const char *error) { - 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" }, - }; - u8 desc_error = status & JRSTA_DECOERR_ERROR_MASK; + 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; - report_jump_idx(status, outstr); + 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 == desc_error) + if (desc_error_list[i].value == err_id) 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")); - } + 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); + + dev_err(jrdev, "%08x: %s: %s %d: %s%s\n", + status, error, idx_str, idx, err_str, err_err_code); } -static void report_jr_status(u32 status, char *outstr) +static void report_jr_status(struct device *jrdev, const u32 status, + const char *error) { - SPRINTFCAT(outstr, "%s() not implemented", __func__, sizeof(__func__)); + dev_err(jrdev, "%08x: %s: %s() not implemented\n", + status, error, __func__); } -static void report_cond_code_status(u32 status, char *outstr) +static void report_cond_code_status(struct device *jrdev, const u32 status, + const char *error) { - SPRINTFCAT(outstr, "%s() not implemented", __func__, sizeof(__func__)); + dev_err(jrdev, "%08x: %s: %s() not implemented\n", + status, error, __func__); } -char *caam_jr_strstatus(char *outstr, u32 status) +void caam_jr_strstatus(struct device *jrdev, u32 status) { static const struct stat_src { - void (*report_ssed)(u32 status, char *outstr); - char *error; + void (*report_ssed)(struct device *jrdev, const u32 status, + const char *error); + const char *error; } status_src[] = { { NULL, "No error" }, { NULL, NULL }, @@ -263,12 +224,16 @@ char *caam_jr_strstatus(char *outstr, u32 status) { report_cond_code_status, "Condition Code" }, }; u32 ssrc = status >> JRSTA_SSRC_SHIFT; - - sprintf(outstr, "%s: ", status_src[ssrc].error); - - if (status_src[ssrc].report_ssed) - status_src[ssrc].report_ssed(status, outstr); - - return outstr; + 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) + dev_err(jrdev, "%08x: %s: \n", status, status_src[ssrc].error); + else + status_src[ssrc].report_ssed(jrdev, status, error); } EXPORT_SYMBOL(caam_jr_strstatus); |