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 for <linux-nvdimm@lists.01.org>; Wed,  2 Aug 2017 14:08:05 -0700 (PDT)
Subject: Re: [PATCH v2 5/5] libnvdimm: add DMA support for pmem blk-mq
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From: Sinan Kaya <okaya@codeaurora.org>
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Date: Wed, 2 Aug 2017 17:10:14 -0400
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To: Dave Jiang <dave.jiang@intel.com>, "Koul, Vinod" <vinod.koul@intel.com>, "Williams, Dan J" <dan.j.williams@intel.com>
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On 8/2/2017 4:52 PM, Dave Jiang wrote:
>> Do we need a new API / new function, or new capability?
> Hmmm...you are right. I wonder if we need something like DMA_SG cap....
> 
> 

Unfortunately, DMA_SG means something else. Maybe, we need DMA_MEMCPY_SG
to be similar with DMA_MEMSET_SG.

enum dma_transaction_type {
	DMA_MEMCPY,
	DMA_XOR,
	DMA_PQ,
	DMA_XOR_VAL,
	DMA_PQ_VAL,
	DMA_MEMSET,
	DMA_MEMSET_SG,
	DMA_INTERRUPT,
	DMA_SG,
	DMA_PRIVATE,
	DMA_ASYNC_TX,
	DMA_SLAVE,
	DMA_CYCLIC,
	DMA_INTERLEAVE,
/* last transaction type for creation of the capabilities mask */
	DMA_TX_TYPE_END,
};

-- 
Sinan Kaya
Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc.
Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.
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