linux-kernel - Re: [PATCH 0/5 v11] iommu/fsl: Freescale PAMU driver and IOMMU API implementation.

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Message-ID: <20130402162310.GJ15687@8bytes.org>
Date:	Tue, 2 Apr 2013 18:23:12 +0200
From:	Joerg Roedel <joro@...tes.org>
To:	Varun Sethi <Varun.Sethi@...escale.com>
Cc:	stuart.yoder@...escale.com, scottwood@...escale.com,
	iommu@...ts.linux-foundation.org, linuxppc-dev@...ts.ozlabs.org,
	linux-kernel@...r.kernel.org, galak@...nel.crashing.org,
	benh@...nel.crashing.org
Subject: Re: [PATCH 0/5 v11] iommu/fsl: Freescale PAMU driver and IOMMU API
 implementation.

On Fri, Mar 29, 2013 at 01:23:57AM +0530, Varun Sethi wrote:
> This patchset provides the Freescale PAMU (Peripheral Access Management Unit) driver
> and the corresponding IOMMU API implementation. PAMU is the IOMMU present on Freescale
> QorIQ platforms. PAMU can authorize memory access, remap the memory address, and remap 
> the I/O transaction type.
> 
> This set consists of the following patches:
> 1.  Make iova dma_addr_t in the iommu_iova_to_phys API.
> 2. Addition of new field in the device (powerpc) archdata structure for storing iommu domain information
>    pointer.
> 3. Add window permission flags in the iommu_domain_window_enable API.
> 4. Add domain attributes for FSL PAMU driver.
> 5. PAMU driver and IOMMU API implementation.

Okay, I am about to apply patches 1 and 3 to a new ppc/pamu branch in my
tree.

As a general question, how did you test the IOMMU driver and what will
you do in the future to avoid regressions?


	Joerg


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