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crypto: caam - add Queue Interface v2 error codes
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Add support to translate error codes returned by QI v2, i.e.
Queue Interface present on DataPath Acceleration Architecture
v2 (DPAA2).

Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Horia Geantă authored and Herbert Xu committed Sep 21, 2018
1 parent f9cb74f commit 94cebd9
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Showing 3 changed files with 79 additions and 4 deletions.
75 changes: 72 additions & 3 deletions drivers/crypto/caam/error.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -108,6 +108,54 @@ static const struct {
{ 0xF1, "3GPP HFN matches or exceeds the Threshold" },
};

static const struct {
u8 value;
const char *error_text;
} qi_error_list[] = {
{ 0x1F, "Job terminated by FQ or ICID flush" },
{ 0x20, "FD format error"},
{ 0x21, "FD command format error"},
{ 0x23, "FL format error"},
{ 0x25, "CRJD specified in FD, but not enabled in FLC"},
{ 0x30, "Max. buffer size too small"},
{ 0x31, "DHR exceeds max. buffer size (allocate mode, S/G format)"},
{ 0x32, "SGT exceeds max. buffer size (allocate mode, S/G format"},
{ 0x33, "Size over/underflow (allocate mode)"},
{ 0x34, "Size over/underflow (reuse mode)"},
{ 0x35, "Length exceeds max. short length (allocate mode, S/G/ format)"},
{ 0x36, "Memory footprint exceeds max. value (allocate mode, S/G/ format)"},
{ 0x41, "SBC frame format not supported (allocate mode)"},
{ 0x42, "Pool 0 invalid / pool 1 size < pool 0 size (allocate mode)"},
{ 0x43, "Annotation output enabled but ASAR = 0 (allocate mode)"},
{ 0x44, "Unsupported or reserved frame format or SGHR = 1 (reuse mode)"},
{ 0x45, "DHR correction underflow (reuse mode, single buffer format)"},
{ 0x46, "Annotation length exceeds offset (reuse mode)"},
{ 0x48, "Annotation output enabled but ASA limited by ASAR (reuse mode)"},
{ 0x49, "Data offset correction exceeds input frame data length (reuse mode)"},
{ 0x4B, "Annotation output enabled but ASA cannote be expanded (frame list)"},
{ 0x51, "Unsupported IF reuse mode"},
{ 0x52, "Unsupported FL use mode"},
{ 0x53, "Unsupported RJD use mode"},
{ 0x54, "Unsupported inline descriptor use mode"},
{ 0xC0, "Table buffer pool 0 depletion"},
{ 0xC1, "Table buffer pool 1 depletion"},
{ 0xC2, "Data buffer pool 0 depletion, no OF allocated"},
{ 0xC3, "Data buffer pool 1 depletion, no OF allocated"},
{ 0xC4, "Data buffer pool 0 depletion, partial OF allocated"},
{ 0xC5, "Data buffer pool 1 depletion, partial OF allocated"},
{ 0xD0, "FLC read error"},
{ 0xD1, "FL read error"},
{ 0xD2, "FL write error"},
{ 0xD3, "OF SGT write error"},
{ 0xD4, "PTA read error"},
{ 0xD5, "PTA write error"},
{ 0xD6, "OF SGT F-bit write error"},
{ 0xD7, "ASA write error"},
{ 0xE1, "FLC[ICR]=0 ICID error"},
{ 0xE2, "FLC[ICR]=1 ICID error"},
{ 0xE4, "source of ICID flush not trusted (BDI = 0)"},
};

static const char * const cha_id_list[] = {
"",
"AES",
Expand Down Expand Up @@ -236,6 +284,27 @@ static void report_deco_status(struct device *jrdev, const u32 status,
status, error, idx_str, idx, err_str, err_err_code);
}

static void report_qi_status(struct device *qidev, const u32 status,
const char *error)
{
u8 err_id = status & JRSTA_QIERR_ERROR_MASK;
const char *err_str = "unidentified error value 0x";
char err_err_code[3] = { 0 };
int i;

for (i = 0; i < ARRAY_SIZE(qi_error_list); i++)
if (qi_error_list[i].value == err_id)
break;

if (i != ARRAY_SIZE(qi_error_list) && qi_error_list[i].error_text)
err_str = qi_error_list[i].error_text;
else
snprintf(err_err_code, sizeof(err_err_code), "%02x", err_id);

dev_err(qidev, "%08x: %s: %s%s\n",
status, error, err_str, err_err_code);
}

static void report_jr_status(struct device *jrdev, const u32 status,
const char *error)
{
Expand All @@ -250,7 +319,7 @@ static void report_cond_code_status(struct device *jrdev, const u32 status,
status, error, __func__);
}

void caam_jr_strstatus(struct device *jrdev, u32 status)
void caam_strstatus(struct device *jrdev, u32 status, bool qi_v2)
{
static const struct stat_src {
void (*report_ssed)(struct device *jrdev, const u32 status,
Expand All @@ -262,7 +331,7 @@ void caam_jr_strstatus(struct device *jrdev, u32 status)
{ report_ccb_status, "CCB" },
{ report_jump_status, "Jump" },
{ report_deco_status, "DECO" },
{ NULL, "Queue Manager Interface" },
{ report_qi_status, "Queue Manager Interface" },
{ report_jr_status, "Job Ring" },
{ report_cond_code_status, "Condition Code" },
{ NULL, NULL },
Expand All @@ -288,4 +357,4 @@ void caam_jr_strstatus(struct device *jrdev, u32 status)
else
dev_err(jrdev, "%d: unknown error source\n", ssrc);
}
EXPORT_SYMBOL(caam_jr_strstatus);
EXPORT_SYMBOL(caam_strstatus);
6 changes: 5 additions & 1 deletion drivers/crypto/caam/error.h
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Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,11 @@
#ifndef CAAM_ERROR_H
#define CAAM_ERROR_H
#define CAAM_ERROR_STR_MAX 302
void caam_jr_strstatus(struct device *jrdev, u32 status);

void caam_strstatus(struct device *dev, u32 status, bool qi_v2);

#define caam_jr_strstatus(jrdev, status) caam_strstatus(jrdev, status, false)
#define caam_qi2_strstatus(qidev, status) caam_strstatus(qidev, status, true)

void caam_dump_sg(const char *level, const char *prefix_str, int prefix_type,
int rowsize, int groupsize, struct scatterlist *sg,
Expand Down
2 changes: 2 additions & 0 deletions drivers/crypto/caam/regs.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -633,6 +633,8 @@ struct caam_job_ring {
#define JRSTA_DECOERR_INVSIGN 0x86
#define JRSTA_DECOERR_DSASIGN 0x87

#define JRSTA_QIERR_ERROR_MASK 0x00ff

#define JRSTA_CCBERR_JUMP 0x08000000
#define JRSTA_CCBERR_INDEX_MASK 0xff00
#define JRSTA_CCBERR_INDEX_SHIFT 8
Expand Down

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