drivers/crypto/caam/error.c

Source file repositories/reference/linux-study-clean/drivers/crypto/caam/error.c

File Facts

System
Linux kernel
Corpus path
drivers/crypto/caam/error.c
Extension
.c
Size
13352 bytes
Lines
394
Domain
Driver Families
Bucket
drivers/crypto
Inferred role
Driver Families: exported/initcall integration point
Status
integration implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

if (unlikely(!it_page)) {
			pr_err("caam_dump_sg: kmap failed\n");
			return;
		}

		buf = it_page + it->offset;
		len = min_t(size_t, tlen, it->length);
		print_hex_dump_debug(prefix_str, prefix_type, rowsize,
				     groupsize, buf, len, ascii);
		tlen -= len;

		kunmap_atomic(it_page);
	}
}
#else
void caam_dump_sg(const char *prefix_str, int prefix_type,
		  int rowsize, int groupsize, struct scatterlist *sg,
		  size_t tlen, bool ascii)
{}
#endif /* DEBUG */
EXPORT_SYMBOL(caam_dump_sg);

bool caam_little_end;
EXPORT_SYMBOL(caam_little_end);

bool caam_imx;
EXPORT_SYMBOL(caam_imx);

size_t caam_ptr_sz;
EXPORT_SYMBOL(caam_ptr_sz);

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 struct {

Annotation

Implementation Notes