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2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb

 kernel/drivers/crypto/caam/error.c
..
..
@@ -13,7 +13,7 @@
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 #ifdef DEBUG
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 #include <linux/highmem.h>
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15
 
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-void caam_dump_sg(const char *level, const char *prefix_str, int prefix_type,
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+void caam_dump_sg(const char *prefix_str, int prefix_type,
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 		  int rowsize, int groupsize, struct scatterlist *sg,
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 		  size_t tlen, bool ascii)
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 {
..
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@@ -35,20 +35,29 @@
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35
 
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 		buf = it_page + it->offset;
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 		len = min_t(size_t, tlen, it->length);
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-		print_hex_dump(level, prefix_str, prefix_type, rowsize,
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-			       groupsize, buf, len, ascii);
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+		print_hex_dump_debug(prefix_str, prefix_type, rowsize,
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+				     groupsize, buf, len, ascii);
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 		tlen -= len;
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 		kunmap_atomic(it_page);
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 	}
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 }
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 #else
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-void caam_dump_sg(const char *level, const char *prefix_str, int prefix_type,
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+void caam_dump_sg(const char *prefix_str, int prefix_type,
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 		  int rowsize, int groupsize, struct scatterlist *sg,
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 		  size_t tlen, bool ascii)
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 {}
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 #endif /* DEBUG */
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 EXPORT_SYMBOL(caam_dump_sg);
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+
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+bool caam_little_end;
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+EXPORT_SYMBOL(caam_little_end);
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+
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+bool caam_imx;
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+EXPORT_SYMBOL(caam_imx);
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+
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+size_t caam_ptr_sz;
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+EXPORT_SYMBOL(caam_ptr_sz);
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61
 
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 static const struct {
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 	u8 value;
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@@ -108,6 +117,55 @@
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 	{ 0xF1, "3GPP HFN matches or exceeds the Threshold" },
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 };
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119
 
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+static const struct {
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+	u8 value;
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+	const char *error_text;
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+} qi_error_list[] = {
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+	{ 0x00, "No error" },
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+	{ 0x1F, "Job terminated by FQ or ICID flush" },
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+	{ 0x20, "FD format error"},
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+	{ 0x21, "FD command format error"},
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+	{ 0x23, "FL format error"},
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+	{ 0x25, "CRJD specified in FD, but not enabled in FLC"},
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+	{ 0x30, "Max. buffer size too small"},
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+	{ 0x31, "DHR exceeds max. buffer size (allocate mode, S/G format)"},
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+	{ 0x32, "SGT exceeds max. buffer size (allocate mode, S/G format"},
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+	{ 0x33, "Size over/underflow (allocate mode)"},
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+	{ 0x34, "Size over/underflow (reuse mode)"},
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+	{ 0x35, "Length exceeds max. short length (allocate mode, S/G/ format)"},
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+	{ 0x36, "Memory footprint exceeds max. value (allocate mode, S/G/ format)"},
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+	{ 0x41, "SBC frame format not supported (allocate mode)"},
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+	{ 0x42, "Pool 0 invalid / pool 1 size < pool 0 size (allocate mode)"},
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+	{ 0x43, "Annotation output enabled but ASAR = 0 (allocate mode)"},
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+	{ 0x44, "Unsupported or reserved frame format or SGHR = 1 (reuse mode)"},
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+	{ 0x45, "DHR correction underflow (reuse mode, single buffer format)"},
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+	{ 0x46, "Annotation length exceeds offset (reuse mode)"},
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+	{ 0x48, "Annotation output enabled but ASA limited by ASAR (reuse mode)"},
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+	{ 0x49, "Data offset correction exceeds input frame data length (reuse mode)"},
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+	{ 0x4B, "Annotation output enabled but ASA cannot be expanded (frame list)"},
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+	{ 0x51, "Unsupported IF reuse mode"},
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+	{ 0x52, "Unsupported FL use mode"},
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+	{ 0x53, "Unsupported RJD use mode"},
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+	{ 0x54, "Unsupported inline descriptor use mode"},
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+	{ 0xC0, "Table buffer pool 0 depletion"},
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+	{ 0xC1, "Table buffer pool 1 depletion"},
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+	{ 0xC2, "Data buffer pool 0 depletion, no OF allocated"},
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+	{ 0xC3, "Data buffer pool 1 depletion, no OF allocated"},
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+	{ 0xC4, "Data buffer pool 0 depletion, partial OF allocated"},
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+	{ 0xC5, "Data buffer pool 1 depletion, partial OF allocated"},
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+	{ 0xD0, "FLC read error"},
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+	{ 0xD1, "FL read error"},
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+	{ 0xD2, "FL write error"},
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+	{ 0xD3, "OF SGT write error"},
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+	{ 0xD4, "PTA read error"},
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+	{ 0xD5, "PTA write error"},
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+	{ 0xD6, "OF SGT F-bit write error"},
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+	{ 0xD7, "ASA write error"},
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+	{ 0xE1, "FLC[ICR]=0 ICID error"},
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+	{ 0xE2, "FLC[ICR]=1 ICID error"},
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+	{ 0xE4, "source of ICID flush not trusted (BDI = 0)"},
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+};
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+
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 static const char * const cha_id_list[] = {
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 	"",
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 	"AES",
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@@ -154,10 +212,13 @@
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 	"Prediction resistance and test request",
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 	"Uninstantiate",
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 	"Secure key generation",
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+	"",
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+	"Hardware error",
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+	"Continuous check"
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 };
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219
 
159
-static void report_ccb_status(struct device *jrdev, const u32 status,
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-			      const char *error)
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+static int report_ccb_status(struct device *jrdev, const u32 status,
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+			     const char *error)
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 {
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 	u8 cha_id = (status & JRSTA_CCBERR_CHAID_MASK) >>
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 		    JRSTA_CCBERR_CHAID_SHIFT;
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@@ -193,22 +254,27 @@
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 	 * CCB ICV check failures are part of normal operation life;
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 	 * we leave the upper layers to do what they want with them.
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 	 */
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-	if (err_id != JRSTA_CCBERR_ERRID_ICVCHK)
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-		dev_err(jrdev, "%08x: %s: %s %d: %s%s: %s%s\n",
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-			status, error, idx_str, idx,
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-			cha_str, cha_err_code,
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-			err_str, err_err_code);
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+	if (err_id == JRSTA_CCBERR_ERRID_ICVCHK)
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+		return -EBADMSG;
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+
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+	dev_err_ratelimited(jrdev, "%08x: %s: %s %d: %s%s: %s%s\n", status,
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+			    error, idx_str, idx, cha_str, cha_err_code,
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+			    err_str, err_err_code);
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+
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+	return -EINVAL;
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 }
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266
 
203
-static void report_jump_status(struct device *jrdev, const u32 status,
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-			       const char *error)
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+static int report_jump_status(struct device *jrdev, const u32 status,
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+			      const char *error)
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 {
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 	dev_err(jrdev, "%08x: %s: %s() not implemented\n",
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 		status, error, __func__);
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+
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+	return -EINVAL;
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 }
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275
 
210
-static void report_deco_status(struct device *jrdev, const u32 status,
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-			       const char *error)
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+static int report_deco_status(struct device *jrdev, const u32 status,
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+			      const char *error)
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 {
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 	u8 err_id = status & JRSTA_DECOERR_ERROR_MASK;
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 	u8 idx = (status & JRSTA_DECOERR_INDEX_MASK) >>
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@@ -234,27 +300,56 @@
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 	dev_err(jrdev, "%08x: %s: %s %d: %s%s\n",
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 		status, error, idx_str, idx, err_str, err_err_code);
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+
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+	return -EINVAL;
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 }
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306
 
239
-static void report_jr_status(struct device *jrdev, const u32 status,
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-			     const char *error)
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+static int report_qi_status(struct device *qidev, const u32 status,
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+			    const char *error)
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+{
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+	u8 err_id = status & JRSTA_QIERR_ERROR_MASK;
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+	const char *err_str = "unidentified error value 0x";
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+	char err_err_code[3] = { 0 };
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+	int i;
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+
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+	for (i = 0; i < ARRAY_SIZE(qi_error_list); i++)
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+		if (qi_error_list[i].value == err_id)
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+			break;
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+
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+	if (i != ARRAY_SIZE(qi_error_list) && qi_error_list[i].error_text)
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+		err_str = qi_error_list[i].error_text;
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+	else
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+		snprintf(err_err_code, sizeof(err_err_code), "%02x", err_id);
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+
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+	dev_err(qidev, "%08x: %s: %s%s\n",
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+		status, error, err_str, err_err_code);
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+
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+	return -EINVAL;
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+}
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+
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+static int report_jr_status(struct device *jrdev, const u32 status,
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+			    const char *error)
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 {
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 	dev_err(jrdev, "%08x: %s: %s() not implemented\n",
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 		status, error, __func__);
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+
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+	return -EINVAL;
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 }
245
338
 
246
-static void report_cond_code_status(struct device *jrdev, const u32 status,
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-				    const char *error)
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+static int report_cond_code_status(struct device *jrdev, const u32 status,
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+				   const char *error)
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 {
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 	dev_err(jrdev, "%08x: %s: %s() not implemented\n",
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 		status, error, __func__);
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+
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+	return -EINVAL;
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 }
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347
 
253
-void caam_jr_strstatus(struct device *jrdev, u32 status)
348
+int caam_strstatus(struct device *jrdev, u32 status, bool qi_v2)
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 {
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350
 	static const struct stat_src {
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-		void (*report_ssed)(struct device *jrdev, const u32 status,
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-				    const char *error);
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+		int (*report_ssed)(struct device *jrdev, const u32 status,
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+				   const char *error);
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353
 		const char *error;
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354
 	} status_src[16] = {
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 		{ NULL, "No error" },
..
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@@ -262,7 +357,7 @@
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 		{ report_ccb_status, "CCB" },
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 		{ report_jump_status, "Jump" },
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 		{ report_deco_status, "DECO" },
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-		{ NULL, "Queue Manager Interface" },
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+		{ report_qi_status, "Queue Manager Interface" },
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361
 		{ report_jr_status, "Job Ring" },
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 		{ report_cond_code_status, "Condition Code" },
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363
 		{ NULL, NULL },
..
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@@ -282,10 +377,17 @@
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377
 	 * Otherwise print the error source name.
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 	 */
284
379
 	if (status_src[ssrc].report_ssed)
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-		status_src[ssrc].report_ssed(jrdev, status, error);
286
-	else if (error)
380
+		return status_src[ssrc].report_ssed(jrdev, status, error);
381
+
382
+	if (error)
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 		dev_err(jrdev, "%d: %s\n", ssrc, error);
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 	else
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 		dev_err(jrdev, "%d: unknown error source\n", ssrc);
386
+
387
+	return -EINVAL;
290
388
 }
291
-EXPORT_SYMBOL(caam_jr_strstatus);
389
+EXPORT_SYMBOL(caam_strstatus);
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+
391
+MODULE_LICENSE("GPL");
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+MODULE_DESCRIPTION("FSL CAAM error reporting");
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+MODULE_AUTHOR("Freescale Semiconductor");