Hi, developers, thank you for your checking. It seems the lock caam.ring.jr_lock is not released correctly when CAAM_ADR_SYNC(caam.ring.VirtualDesc, desc->idx * sizeof(unsigned int)) != 0 and other similar conditions in the function caamAddJob?
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CAAM_LOCK_MUTEX(&caam.ring.jr_lock); |
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/* check input slot is available and then add */ |
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if (CAAM_READ(0x1014) > 0) { |
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int i; |
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unsigned int *pt; |
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pt = (unsigned int*)caam.ring.VirtualDesc; |
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#if defined(WOLFSSL_CAAM_PRINT) |
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printf("Doing Job :\n"); |
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#endif |
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for (i = 0; i < desc->idx; i = i + 1) { |
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pt[i] = desc->desc[i]; |
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#if defined(WOLFSSL_CAAM_PRINT) |
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printf("\tCMD %02d [%p] = 0x%08X\n", i+1, pt + i, |
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desc->desc[i]); |
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#endif |
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} |
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pt = (unsigned int*)caam.ring.VirtualIn; |
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pt[0] = (unsigned int)caam.ring.Desc; |
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if (CAAM_ADR_SYNC(caam.ring.VirtualDesc, |
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desc->idx * sizeof(unsigned int)) != 0) { |
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return -1; |
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} |
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if (CAAM_ADR_SYNC(caam.ring.VirtualIn, |
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CAAM_JOBRING_SIZE * sizeof(unsigned int)) != 0) { |
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return -1; |
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} |
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#ifdef CAAM_DEBUG_MODE |
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caamDebugDesc(desc); |
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#else |
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#if defined(WOLFSSL_CAAM_DEBUG) || defined(WOLFSSL_CAAM_PRINT) |
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printf("started job 0x%08X done\n", (unsigned int)caam.ring.Desc); |
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#endif |
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CAAM_WRITE(CAAM_IRJAR0, 0x00000001); |
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#endif |
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} |
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else { |
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#if defined(WOLFSSL_CAAM_DEBUG) || defined(WOLFSSL_CAAM_PRINT) |
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printf("SLOT = 0x%08X, IRJAR0 = 0x%08X\n", CAAM_READ(0x1014), |
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CAAM_READ(CAAM_IRJAR0)); |
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printf("Number of job in done queue = 0x%08X\n", CAAM_READ(0x103C)); |
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#endif |
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CAAM_UNLOCK_MUTEX(&caam.ring.jr_lock); |
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return CAAM_WAITING; |
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} |
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CAAM_UNLOCK_MUTEX(&caam.ring.jr_lock); |
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return Success; |
Best,
