/alps/pcitool

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  • Committer: Suren A. Chilingaryan
  • Date: 2015-11-20 13:24:17 UTC
  • Revision ID: csa@suren.me-20151120132417-fzm9hulvh7rs47gb
Configure number of DMA buffers in IPEDMA and improve checking and reporting inconsistent kmem buffers while re-using

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Lines of Context:
pcitool/cli.c
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        if (start) Error("DMA engine should be specified");
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        for (dmaid = 0; dma_info->engines[dmaid].addr_bits; dmaid++) {
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            err = pcilib_start_dma(handle, dmaid, 0);
 
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            err = pcilib_start_dma(handle, dmaid, PCILIB_DMA_FLAG_STOP);
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            if (err) Error("Error starting DMA Engine (%s %i)", ((dma_info->engines[dmaid].direction == PCILIB_DMA_FROM_DEVICE)?"C2S":"S2C"), dma_info->engines[dmaid].addr);
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            err = pcilib_stop_dma(handle, dmaid, PCILIB_DMA_FLAG_PERSISTENT);
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            if (err) Error("Error stopping DMA Engine (%s %i)", ((dma_info->engines[dmaid].direction == PCILIB_DMA_FROM_DEVICE)?"C2S":"S2C"), dma_info->engines[dmaid].addr);
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            err = pcilib_start_dma(handle, dmaid, PCILIB_DMA_FLAG_PERSISTENT);
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            if (err) Error("Error starting DMA engine (C2S %lu)", dma);
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        } else {
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            err = pcilib_start_dma(handle, dmaid, 0);
 
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            err = pcilib_start_dma(handle, dmaid, PCILIB_DMA_FLAG_STOP);
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            if (err) Error("Error starting DMA engine (C2S %lu)", dma);
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            err = pcilib_stop_dma(handle, dmaid, PCILIB_DMA_FLAG_PERSISTENT);
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            if (err) Error("Error stopping DMA engine (C2S %lu)", dma);
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            err = pcilib_start_dma(handle, dmaid, PCILIB_DMA_FLAG_PERSISTENT);
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            if (err) Error("Error starting DMA engine (S2C %lu)", dma);
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        } else {
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            err = pcilib_start_dma(handle, dmaid, 0);
 
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            err = pcilib_start_dma(handle, dmaid, PCILIB_DMA_FLAG_STOP);
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            if (err) Error("Error starting DMA engine (S2C %lu)", dma);
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            err = pcilib_stop_dma(handle, dmaid, PCILIB_DMA_FLAG_PERSISTENT);
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            if (err) Error("Error stopping DMA engine (S2C %lu)", dma);