251 lines
8.9 KiB
C
251 lines
8.9 KiB
C
/*
|
|
* CAAM Error Reporting
|
|
*
|
|
* Copyright 2009-2011 Freescale Semiconductor, Inc.
|
|
*/
|
|
|
|
#include "compat.h"
|
|
#include "regs.h"
|
|
#include "desc.h"
|
|
#include "error.h"
|
|
|
|
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)
|
|
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 {
|
|
err_str = err_id_list[err_id];
|
|
}
|
|
|
|
/*
|
|
* CCB ICV check failures are part of normal operation life;
|
|
* we leave the upper layers to do what they want with them.
|
|
*/
|
|
if (err_id != JRSTA_CCBERR_ERRID_ICVCHK)
|
|
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(struct device *jrdev, const u32 status,
|
|
const char *error)
|
|
{
|
|
dev_err(jrdev, "%08x: %s: %s() not implemented\n",
|
|
status, error, __func__);
|
|
}
|
|
|
|
static void report_deco_status(struct device *jrdev, 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);
|
|
|
|
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(struct device *jrdev, const u32 status,
|
|
const char *error)
|
|
{
|
|
dev_err(jrdev, "%08x: %s: %s() not implemented\n",
|
|
status, error, __func__);
|
|
}
|
|
|
|
static void report_cond_code_status(struct device *jrdev, const u32 status,
|
|
const char *error)
|
|
{
|
|
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, const u32 status,
|
|
const char *error);
|
|
const char *error;
|
|
} status_src[16] = {
|
|
{ NULL, "No error" },
|
|
{ NULL, NULL },
|
|
{ report_ccb_status, "CCB" },
|
|
{ report_jump_status, "Jump" },
|
|
{ report_deco_status, "DECO" },
|
|
{ NULL, "Queue Manager Interface" },
|
|
{ report_jr_status, "Job Ring" },
|
|
{ report_cond_code_status, "Condition Code" },
|
|
{ NULL, NULL },
|
|
{ NULL, NULL },
|
|
{ NULL, NULL },
|
|
{ NULL, NULL },
|
|
{ NULL, NULL },
|
|
{ NULL, NULL },
|
|
{ NULL, NULL },
|
|
{ NULL, NULL },
|
|
};
|
|
u32 ssrc = status >> JRSTA_SSRC_SHIFT;
|
|
const char *error = status_src[ssrc].error;
|
|
|
|
/*
|
|
* If there is an error handling function, call it to report the error.
|
|
* Otherwise print the error source name.
|
|
*/
|
|
if (status_src[ssrc].report_ssed)
|
|
status_src[ssrc].report_ssed(jrdev, status, error);
|
|
else if (error)
|
|
dev_err(jrdev, "%d: %s\n", ssrc, error);
|
|
else
|
|
dev_err(jrdev, "%d: unknown error source\n", ssrc);
|
|
}
|
|
EXPORT_SYMBOL(caam_jr_strstatus);
|