From: Logan Gunthorpe <logang@deltatee.com>
To: Kit Chow <kchow@gigaio.com>, "Jiang, Dave" <dave.jiang@intel.com>,
Eric Pilmore <epilmore@gigaio.com>,
Bjorn Helgaas <helgaas@kernel.org>
Cc: "linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
David Woodhouse <dwmw2@infradead.org>,
Alex Williamson <alex.williamson@redhat.com>,
"iommu@lists.linux-foundation.org"
<iommu@lists.linux-foundation.org>
Subject: Re: IOAT DMA w/IOMMU
Date: Fri, 10 Aug 2018 10:24:54 -0600 [thread overview]
Message-ID: <672079e5-7432-fcd8-d81c-6d7010b71630@deltatee.com> (raw)
In-Reply-To: <c8dd4740-f01a-372f-2990-2e1163f94042@gigaio.com>
On 10/08/18 10:23 AM, Kit Chow wrote:
> There is an internal routine (__intel_map_single) inside the intel iommu
> code that does the actual mapping using a phys_addr_t. Think I'll try to
> implement a intel_map_resource routine that calls that routine directly
> without all of the conversions done for dma_map_{single,page} (pci bar
> addr -> page -> phys_addr)...
Nice, yes, that was what I was thinking.
Logan
next prev parent reply other threads:[~2018-08-10 16:24 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-09 18:14 IOAT DMA w/IOMMU Eric Pilmore
2018-08-09 18:43 ` Bjorn Helgaas
2018-08-09 18:51 ` Eric Pilmore
2018-08-09 19:35 ` Logan Gunthorpe
2018-08-09 19:47 ` Kit Chow
2018-08-09 20:11 ` Logan Gunthorpe
2018-08-09 20:57 ` Kit Chow
2018-08-09 21:11 ` Logan Gunthorpe
2018-08-09 21:47 ` Kit Chow
2018-08-09 22:40 ` Jiang, Dave
2018-08-09 22:48 ` Kit Chow
2018-08-09 22:50 ` Logan Gunthorpe
2018-08-09 23:00 ` Kit Chow
2018-08-10 16:02 ` Kit Chow
2018-08-10 16:23 ` Kit Chow
2018-08-10 16:24 ` Logan Gunthorpe [this message]
2018-08-10 16:24 ` Logan Gunthorpe
2018-08-10 16:31 ` Dave Jiang
2018-08-10 16:33 ` Logan Gunthorpe
2018-08-10 17:01 ` Dave Jiang
2018-08-10 17:15 ` Logan Gunthorpe
2018-08-10 17:46 ` Dave Jiang
2018-08-11 0:53 ` Kit Chow
2018-08-11 2:10 ` Logan Gunthorpe
2018-08-13 14:23 ` Kit Chow
2018-08-13 14:59 ` Robin Murphy
2018-08-13 15:21 ` Kit Chow
2018-08-13 23:30 ` Kit Chow
2018-08-13 23:39 ` Logan Gunthorpe
2018-08-13 23:48 ` Kit Chow
2018-08-13 23:50 ` Logan Gunthorpe
2018-08-14 13:47 ` Kit Chow
2018-08-14 14:03 ` Robin Murphy
2018-08-13 23:36 ` Kit Chow
2018-08-09 21:31 ` Eric Pilmore
2018-08-09 21:36 ` Logan Gunthorpe
2018-08-16 17:16 ` Kit Chow
2018-08-16 17:21 ` Logan Gunthorpe
2018-08-16 18:53 ` Kit Chow
2018-08-16 18:56 ` Logan Gunthorpe
2018-08-21 23:18 ` Eric Pilmore
2018-08-21 23:20 ` Logan Gunthorpe
2018-08-21 23:28 ` Eric Pilmore
2018-08-21 23:35 ` Logan Gunthorpe
2018-08-21 23:45 ` Eric Pilmore
2018-08-21 23:53 ` Logan Gunthorpe
2018-08-21 23:59 ` Eric Pilmore
2018-08-21 23:30 ` Eric Pilmore
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