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83d290c56f
When U-Boot started using SPDX tags we were among the early adopters and there weren't a lot of other examples to borrow from. So we picked the area of the file that usually had a full license text and replaced it with an appropriate SPDX-License-Identifier: entry. Since then, the Linux Kernel has adopted SPDX tags and they place it as the very first line in a file (except where shebangs are used, then it's second line) and with slightly different comment styles than us. In part due to community overlap, in part due to better tag visibility and in part for other minor reasons, switch over to that style. This commit changes all instances where we have a single declared license in the tag as both the before and after are identical in tag contents. There's also a few places where I found we did not have a tag and have introduced one. Signed-off-by: Tom Rini <trini@konsulko.com>
257 lines
7.3 KiB
C
257 lines
7.3 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* CAAM Error Reporting
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*
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* Copyright 2009-2014 Freescale Semiconductor, Inc.
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*
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* Derived from error.c file in linux drivers/crypto/caam
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*/
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#include <common.h>
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#include <malloc.h>
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#include "desc.h"
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#include "jr.h"
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#define CAAM_ERROR_STR_MAX 302
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#define JRSTA_SSRC_SHIFT 28
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#define JRSTA_CCBERR_CHAID_MASK 0x00f0
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#define JRSTA_CCBERR_CHAID_SHIFT 4
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#define JRSTA_CCBERR_ERRID_MASK 0x000
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#define JRSTA_CCBERR_CHAID_RNG (0x05 << JRSTA_CCBERR_CHAID_SHIFT)
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#define JRSTA_DECOERR_JUMP 0x08000000
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#define JRSTA_DECOERR_INDEX_SHIFT 8
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#define JRSTA_DECOERR_INDEX_MASK 0xff00
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#define JRSTA_DECOERR_ERROR_MASK 0x00ff
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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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} desc_error_list[] = {
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{ 0x00, "No error." },
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{ 0x01, "SGT Length Error. The descriptor is trying to read" \
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" more data than is contained in the SGT table." },
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{ 0x02, "SGT Null Entry Error." },
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{ 0x03, "Job Ring Control Error. Bad value in Job Ring Control reg." },
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{ 0x04, "Invalid Descriptor Command." },
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{ 0x05, "Reserved." },
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{ 0x06, "Invalid KEY Command" },
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{ 0x07, "Invalid LOAD Command" },
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{ 0x08, "Invalid STORE Command" },
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{ 0x09, "Invalid OPERATION Command" },
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{ 0x0A, "Invalid FIFO LOAD Command" },
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{ 0x0B, "Invalid FIFO STORE Command" },
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{ 0x0C, "Invalid MOVE/MOVE_LEN Command" },
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{ 0x0D, "Invalid JUMP Command" },
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{ 0x0E, "Invalid MATH Command" },
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{ 0x0F, "Invalid SIGNATURE Command" },
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{ 0x10, "Invalid Sequence Command" },
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{ 0x11, "Skip data type invalid. The type must be 0xE or 0xF."},
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{ 0x12, "Shared Descriptor Header Error" },
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{ 0x13, "Header Error. Invalid length or parity, or other problems." },
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{ 0x14, "Burster Error. Burster has gotten to an illegal state" },
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{ 0x15, "Context Register Length Error" },
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{ 0x16, "DMA Error" },
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{ 0x17, "Reserved." },
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{ 0x1A, "Job failed due to JR reset" },
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{ 0x1B, "Job failed due to Fail Mode" },
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{ 0x1C, "DECO Watchdog timer timeout error" },
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{ 0x1D, "DECO tried to copy a key from another DECO but" \
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" the other DECO's Key Registers were locked" },
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{ 0x1E, "DECO attempted to copy data from a DECO" \
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"that had an unmasked Descriptor error" },
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{ 0x1F, "LIODN error" },
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{ 0x20, "DECO has completed a reset initiated via the DRR register" },
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{ 0x21, "Nonce error" },
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{ 0x22, "Meta data is too large (> 511 bytes) for TLS decap" },
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{ 0x23, "Read Input Frame error" },
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{ 0x24, "JDKEK, TDKEK or TDSK not loaded error" },
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{ 0x80, "DNR (do not run) error" },
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{ 0x81, "undefined protocol command" },
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{ 0x82, "invalid setting in PDB" },
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{ 0x83, "Anti-replay LATE error" },
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{ 0x84, "Anti-replay REPLAY error" },
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{ 0x85, "Sequence number overflow" },
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{ 0x86, "Sigver invalid signature" },
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{ 0x87, "DSA Sign Illegal test descriptor" },
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{ 0x88, "Protocol Format Error" },
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{ 0x89, "Protocol Size Error" },
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{ 0xC1, "Blob Command error: Undefined mode" },
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{ 0xC2, "Blob Command error: Secure Memory Blob mode error" },
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{ 0xC4, "Blob Command error: Black Blob key or input size error" },
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{ 0xC5, "Blob Command error: Invalid key destination" },
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{ 0xC8, "Blob Command error: Trusted/Secure mode error" },
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{ 0xF0, "IPsec TTL or hop limit field is 0, or was decremented to 0" },
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{ 0xF1, "3GPP HFN matches or exceeds the Threshold" },
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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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"DES",
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"ARC4",
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"MDHA",
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"RNG",
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"SNOW f8",
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"Kasumi f8/9",
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"PKHA",
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"CRCA",
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"SNOW f9",
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"ZUCE",
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"ZUCA",
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};
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static const char * const err_id_list[] = {
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"No error.",
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"Mode error.",
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"Data size error.",
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"Key size error.",
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"PKHA A memory size error.",
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"PKHA B memory size error.",
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"Data arrived out of sequence error.",
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"PKHA divide-by-zero error.",
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"PKHA modulus even error.",
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"DES key parity error.",
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"ICV check failed.",
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"Hardware error.",
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"Unsupported CCM AAD size.",
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"Class 1 CHA is not reset",
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"Invalid CHA combination was selected",
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"Invalid CHA selected.",
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};
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static const char * const rng_err_id_list[] = {
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"",
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"",
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"",
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"Instantiate",
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"Not instantiated",
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"Test instantiate",
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"Prediction resistance",
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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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static void report_ccb_status(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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u8 err_id = status & JRSTA_CCBERR_ERRID_MASK;
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u8 idx = (status & JRSTA_DECOERR_INDEX_MASK) >>
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JRSTA_DECOERR_INDEX_SHIFT;
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char *idx_str;
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const char *cha_str = "unidentified cha_id value 0x";
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char cha_err_code[3] = { 0 };
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const char *err_str = "unidentified err_id value 0x";
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char err_err_code[3] = { 0 };
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if (status & JRSTA_DECOERR_JUMP)
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idx_str = "jump tgt desc idx";
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else
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idx_str = "desc idx";
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if (cha_id < ARRAY_SIZE(cha_id_list))
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cha_str = cha_id_list[cha_id];
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else
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snprintf(cha_err_code, sizeof(cha_err_code), "%02x", cha_id);
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if ((cha_id << JRSTA_CCBERR_CHAID_SHIFT) == JRSTA_CCBERR_CHAID_RNG &&
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err_id < ARRAY_SIZE(rng_err_id_list) &&
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strlen(rng_err_id_list[err_id])) {
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/* RNG-only error */
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err_str = rng_err_id_list[err_id];
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} else if (err_id < ARRAY_SIZE(err_id_list)) {
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err_str = err_id_list[err_id];
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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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debug("%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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}
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static void report_jump_status(const u32 status,
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const char *error)
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{
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debug("%08x: %s: %s() not implemented\n",
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status, error, __func__);
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}
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static void report_deco_status(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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JRSTA_DECOERR_INDEX_SHIFT;
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char *idx_str;
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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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if (status & JRSTA_DECOERR_JUMP)
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idx_str = "jump tgt desc idx";
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else
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idx_str = "desc idx";
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for (i = 0; i < ARRAY_SIZE(desc_error_list); i++)
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if (desc_error_list[i].value == err_id)
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break;
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if (i != ARRAY_SIZE(desc_error_list) && desc_error_list[i].error_text)
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err_str = desc_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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debug("%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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static void report_jr_status(const u32 status,
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const char *error)
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{
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debug("%08x: %s: %s() not implemented\n",
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status, error, __func__);
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}
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static void report_cond_code_status(const u32 status,
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const char *error)
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{
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debug("%08x: %s: %s() not implemented\n",
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status, error, __func__);
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}
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void caam_jr_strstatus(u32 status)
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{
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static const struct stat_src {
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void (*report_ssed)(const u32 status,
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const char *error);
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const char *error;
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} status_src[] = {
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{ NULL, "No error" },
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{ NULL, NULL },
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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, NULL },
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{ report_jr_status, "Job Ring" },
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{ report_cond_code_status, "Condition Code" },
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};
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u32 ssrc = status >> JRSTA_SSRC_SHIFT;
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const char *error = status_src[ssrc].error;
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/*
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* If there is no further error handling function, just
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* print the error code, error string and exit. Otherwise
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* call the handler function.
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*/
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if (!status_src[ssrc].report_ssed)
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debug("%08x: %s:\n", status, status_src[ssrc].error);
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else
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status_src[ssrc].report_ssed(status, error);
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}
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