4 * Copyright 2009-2011 Freescale Semiconductor, Inc.
13 #include <linux/highmem.h>
15 void caam_dump_sg(const char *level
, const char *prefix_str
, int prefix_type
,
16 int rowsize
, int groupsize
, struct scatterlist
*sg
,
17 size_t tlen
, bool ascii
)
19 struct scatterlist
*it
;
24 for (it
= sg
; it
&& tlen
> 0 ; it
= sg_next(sg
)) {
26 * make sure the scatterlist's page
27 * has a valid virtual memory mapping
29 it_page
= kmap_atomic(sg_page(it
));
30 if (unlikely(!it_page
)) {
31 pr_err("caam_dump_sg: kmap failed\n");
35 buf
= it_page
+ it
->offset
;
36 len
= min_t(size_t, tlen
, it
->length
);
37 print_hex_dump(level
, prefix_str
, prefix_type
, rowsize
,
38 groupsize
, buf
, len
, ascii
);
41 kunmap_atomic(it_page
);
45 void caam_dump_sg(const char *level
, const char *prefix_str
, int prefix_type
,
46 int rowsize
, int groupsize
, struct scatterlist
*sg
,
47 size_t tlen
, bool ascii
)
50 EXPORT_SYMBOL(caam_dump_sg
);
54 const char *error_text
;
55 } desc_error_list
[] = {
56 { 0x00, "No error." },
57 { 0x01, "SGT Length Error. The descriptor is trying to read more data than is contained in the SGT table." },
58 { 0x02, "SGT Null Entry Error." },
59 { 0x03, "Job Ring Control Error. There is a bad value in the Job Ring Control register." },
60 { 0x04, "Invalid Descriptor Command. The Descriptor Command field is invalid." },
61 { 0x05, "Reserved." },
62 { 0x06, "Invalid KEY Command" },
63 { 0x07, "Invalid LOAD Command" },
64 { 0x08, "Invalid STORE Command" },
65 { 0x09, "Invalid OPERATION Command" },
66 { 0x0A, "Invalid FIFO LOAD Command" },
67 { 0x0B, "Invalid FIFO STORE Command" },
68 { 0x0C, "Invalid MOVE/MOVE_LEN Command" },
69 { 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." },
70 { 0x0E, "Invalid MATH Command" },
71 { 0x0F, "Invalid SIGNATURE Command" },
72 { 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." },
73 { 0x11, "Skip data type invalid. The type must be 0xE or 0xF."},
74 { 0x12, "Shared Descriptor Header Error" },
75 { 0x13, "Header Error. Invalid length or parity, or certain other problems." },
76 { 0x14, "Burster Error. Burster has gotten to an illegal state" },
77 { 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)." },
78 { 0x16, "DMA Error" },
79 { 0x17, "Reserved." },
80 { 0x1A, "Job failed due to JR reset" },
81 { 0x1B, "Job failed due to Fail Mode" },
82 { 0x1C, "DECO Watchdog timer timeout error" },
83 { 0x1D, "DECO tried to copy a key from another DECO but the other DECO's Key Registers were locked" },
84 { 0x1E, "DECO attempted to copy data from a DECO that had an unmasked Descriptor error" },
85 { 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." },
86 { 0x20, "DECO has completed a reset initiated via the DRR register" },
87 { 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." },
88 { 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)." },
89 { 0x23, "Read Input Frame error" },
90 { 0x24, "JDKEK, TDKEK or TDSK not loaded error" },
91 { 0x80, "DNR (do not run) error" },
92 { 0x81, "undefined protocol command" },
93 { 0x82, "invalid setting in PDB" },
94 { 0x83, "Anti-replay LATE error" },
95 { 0x84, "Anti-replay REPLAY error" },
96 { 0x85, "Sequence number overflow" },
97 { 0x86, "Sigver invalid signature" },
98 { 0x87, "DSA Sign Illegal test descriptor" },
99 { 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." },
100 { 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." },
101 { 0xC1, "Blob Command error: Undefined mode" },
102 { 0xC2, "Blob Command error: Secure Memory Blob mode error" },
103 { 0xC4, "Blob Command error: Black Blob key or input size error" },
104 { 0xC5, "Blob Command error: Invalid key destination" },
105 { 0xC8, "Blob Command error: Trusted/Secure mode error" },
106 { 0xF0, "IPsec TTL or hop limit field either came in as 0, or was decremented to 0" },
107 { 0xF1, "3GPP HFN matches or exceeds the Threshold" },
110 static const char * const cha_id_list
[] = {
126 static const char * const err_id_list
[] = {
131 "PKHA A memory size error.",
132 "PKHA B memory size error.",
133 "Data arrived out of sequence error.",
134 "PKHA divide-by-zero error.",
135 "PKHA modulus even error.",
136 "DES key parity error.",
139 "Unsupported CCM AAD size.",
140 "Class 1 CHA is not reset",
141 "Invalid CHA combination was selected",
142 "Invalid CHA selected.",
145 static const char * const rng_err_id_list
[] = {
152 "Prediction resistance",
153 "Prediction resistance and test request",
155 "Secure key generation",
158 static void report_ccb_status(struct device
*jrdev
, const u32 status
,
161 u8 cha_id
= (status
& JRSTA_CCBERR_CHAID_MASK
) >>
162 JRSTA_CCBERR_CHAID_SHIFT
;
163 u8 err_id
= status
& JRSTA_CCBERR_ERRID_MASK
;
164 u8 idx
= (status
& JRSTA_DECOERR_INDEX_MASK
) >>
165 JRSTA_DECOERR_INDEX_SHIFT
;
167 const char *cha_str
= "unidentified cha_id value 0x";
168 char cha_err_code
[3] = { 0 };
169 const char *err_str
= "unidentified err_id value 0x";
170 char err_err_code
[3] = { 0 };
172 if (status
& JRSTA_DECOERR_JUMP
)
173 idx_str
= "jump tgt desc idx";
175 idx_str
= "desc idx";
177 if (cha_id
< ARRAY_SIZE(cha_id_list
))
178 cha_str
= cha_id_list
[cha_id
];
180 snprintf(cha_err_code
, sizeof(cha_err_code
), "%02x", cha_id
);
182 if ((cha_id
<< JRSTA_CCBERR_CHAID_SHIFT
) == JRSTA_CCBERR_CHAID_RNG
&&
183 err_id
< ARRAY_SIZE(rng_err_id_list
) &&
184 strlen(rng_err_id_list
[err_id
])) {
186 err_str
= rng_err_id_list
[err_id
];
188 err_str
= err_id_list
[err_id
];
192 * CCB ICV check failures are part of normal operation life;
193 * we leave the upper layers to do what they want with them.
195 if (err_id
!= JRSTA_CCBERR_ERRID_ICVCHK
)
196 dev_err(jrdev
, "%08x: %s: %s %d: %s%s: %s%s\n",
197 status
, error
, idx_str
, idx
,
198 cha_str
, cha_err_code
,
199 err_str
, err_err_code
);
202 static void report_jump_status(struct device
*jrdev
, const u32 status
,
205 dev_err(jrdev
, "%08x: %s: %s() not implemented\n",
206 status
, error
, __func__
);
209 static void report_deco_status(struct device
*jrdev
, const u32 status
,
212 u8 err_id
= status
& JRSTA_DECOERR_ERROR_MASK
;
213 u8 idx
= (status
& JRSTA_DECOERR_INDEX_MASK
) >>
214 JRSTA_DECOERR_INDEX_SHIFT
;
216 const char *err_str
= "unidentified error value 0x";
217 char err_err_code
[3] = { 0 };
220 if (status
& JRSTA_DECOERR_JUMP
)
221 idx_str
= "jump tgt desc idx";
223 idx_str
= "desc idx";
225 for (i
= 0; i
< ARRAY_SIZE(desc_error_list
); i
++)
226 if (desc_error_list
[i
].value
== err_id
)
229 if (i
!= ARRAY_SIZE(desc_error_list
) && desc_error_list
[i
].error_text
)
230 err_str
= desc_error_list
[i
].error_text
;
232 snprintf(err_err_code
, sizeof(err_err_code
), "%02x", err_id
);
234 dev_err(jrdev
, "%08x: %s: %s %d: %s%s\n",
235 status
, error
, idx_str
, idx
, err_str
, err_err_code
);
238 static void report_jr_status(struct device
*jrdev
, const u32 status
,
241 dev_err(jrdev
, "%08x: %s: %s() not implemented\n",
242 status
, error
, __func__
);
245 static void report_cond_code_status(struct device
*jrdev
, const u32 status
,
248 dev_err(jrdev
, "%08x: %s: %s() not implemented\n",
249 status
, error
, __func__
);
252 void caam_jr_strstatus(struct device
*jrdev
, u32 status
)
254 static const struct stat_src
{
255 void (*report_ssed
)(struct device
*jrdev
, const u32 status
,
259 { NULL
, "No error" },
261 { report_ccb_status
, "CCB" },
262 { report_jump_status
, "Jump" },
263 { report_deco_status
, "DECO" },
264 { NULL
, "Queue Manager Interface" },
265 { report_jr_status
, "Job Ring" },
266 { report_cond_code_status
, "Condition Code" },
276 u32 ssrc
= status
>> JRSTA_SSRC_SHIFT
;
277 const char *error
= status_src
[ssrc
].error
;
280 * If there is an error handling function, call it to report the error.
281 * Otherwise print the error source name.
283 if (status_src
[ssrc
].report_ssed
)
284 status_src
[ssrc
].report_ssed(jrdev
, status
, error
);
286 dev_err(jrdev
, "%d: %s\n", ssrc
, error
);
288 dev_err(jrdev
, "%d: unknown error source\n", ssrc
);
290 EXPORT_SYMBOL(caam_jr_strstatus
);