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scsi: mpt3sas: Introduce Base function for cloning.

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All scsi IO's and config request's data buffer and sgl are cloned to
system memory in _clone_sg_entries before submitting it to firmware.

Signed-off-by: Suganath Prabu S <suganath-prabu.subramani@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Suganath Prabu Subramani
2018-02-07 02:51:48 -08:00
committed by Martin K. Petersen
parent 22ae5a3c25
commit 182ac784b4
3 changed files with 218 additions and 1 deletions
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drivers/scsi/mpt3sas/mpt3sas_config.c
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@@ -219,6 +219,7 @@ _config_alloc_config_dma_memory(struct MPT3SAS_ADAPTER *ioc,
mem->page = ioc->config_page;
mem->page_dma = ioc->config_page_dma;
}
ioc->config_vaddr = mem->page;
return r;
}