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Date: Mon, 10 Sep 2018 20:15:45 +0300
From: Horia Geantă <horia.geanta@....com>
To: Herbert Xu <herbert@...dor.apana.org.au>,
Stuart Yoder <stuyoder@...il.com>,
Laurentiu Tudor <laurentiu.tudor@....com>,
Li Yang <leoyang.li@....com>, Roy Pledge <roy.pledge@....com>,
Catalin Marinas <catalin.marinas@....com>,
Will Deacon <will.deacon@....com>
Cc: "David S . Miller" <davem@...emloft.net>,
Aymen Sghaier <aymen.sghaier@....com>,
linux-crypto@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org
Subject: [PATCH 06/11] crypto: caam - add Queue Interface v2 error codes
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@....com>
---
drivers/crypto/caam/error.c | 75 +++++++++++++++++++++++++++++++++++++++++++--
drivers/crypto/caam/error.h | 6 +++-
drivers/crypto/caam/regs.h | 2 ++
3 files changed, 79 insertions(+), 4 deletions(-)
diff --git a/drivers/crypto/caam/error.c b/drivers/crypto/caam/error.c
index 8da88beb1abb..db0f0d96842e 100644
--- a/drivers/crypto/caam/error.c
+++ b/drivers/crypto/caam/error.c
@@ -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",
@@ -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)
{
@@ -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,
@@ -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 },
@@ -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);
diff --git a/drivers/crypto/caam/error.h b/drivers/crypto/caam/error.h
index 5aa332bac4b0..67ea94079837 100644
--- a/drivers/crypto/caam/error.h
+++ b/drivers/crypto/caam/error.h
@@ -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,
diff --git a/drivers/crypto/caam/regs.h b/drivers/crypto/caam/regs.h
index 4fb91ba39c36..cb930c868029 100644
--- a/drivers/crypto/caam/regs.h
+++ b/drivers/crypto/caam/regs.h
@@ -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
--
2.16.2
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