linux-kernel - Re: [git pull] IOMMU updates for 2.6.33

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Message-ID: <20091127192749.GA26676@elte.hu>
Date:	Fri, 27 Nov 2009 20:27:49 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Joerg Roedel <joerg.roedel@....com>
Cc:	iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org
Subject: Re: [git pull] IOMMU updates for 2.6.33


* Joerg Roedel <joerg.roedel@....com> wrote:

> Hi Ingo,
> 
> 
> The following changes since commit 273bee27fa9f79d94b78c83506016f2e41e78983:
>   FUJITA Tomonori (1):
>         x86: Fix iommu=soft boot option
> 
> are available in the git repository at:
> 
>   git://git.kernel.org/pub/scm/linux/kernel/git/joro/linux-2.6-iommu.git amd-iommu/2.6.33
> 
> Joerg Roedel (35):
>       x86/amd-iommu: Separate internal interface definitions
>       x86/amd-iommu: Update copyright headers
>       x86/amd-iommu: Add an index field to struct amd_iommu
>       x86/amd-iommu: Add per IOMMU reference counting
>       x86/amd-iommu: Add function to complete a tlb flush
>       x86/amd-iommu: Make iommu_flush_pages aware of multiple IOMMUs
>       x86/amd-iommu: Use __iommu_flush_pages for tlb flushes
>       x86/amd-iommu: Remove iommu_flush_domain function
>       x86/amd-iommu: Implement protection domain list
>       x86/amd-iommu: Reimplement amd_iommu_flush_all_domains()
>       x86/amd-iommu: Reimplement flush_all_domains_on_iommu()
>       x86/amd-iommu: Make np-cache a global flag
>       x86/amd-iommu: Use check_device for amd_iommu_dma_supported
>       x86/amd-iommu: Use check_device in get_device_resources
>       x86/amd-iommu: Remove iommu parameter from dma_ops_domain_(un)map
>       x86/amd-iommu: Make alloc_new_range aware of multiple IOMMUs
>       x86/amd-iommu: Remove iommu parameter from __(un)map_single
>       x86/amd-iommu: Remove iommu specific handling from dma_ops path
>       x86/amd-iommu: Let domain_for_device handle aliases
>       x86/amd-iommu: Simplify get_device_resources()
>       x86/amd-iommu: Move find_protection_domain to helper functions
>       x86/amd-iommu: Use get_device_id and check_device where appropriate
>       x86/amd-iommu: Remove iommu parameter from dma_ops_domain_alloc
>       x86/amd-iommu: Move some pte allocation functions in the right section
>       x86/amd-iommu: Rearrange dma_ops related functions
>       x86/amd-iommu: Remove support for domain sharing
>       x86/amd-iommu: Use dev->arch->iommu to store iommu related information
>       x86/amd-iommu: Add device bind reference counting
>       x86/amd-iommu: Keep devices per domain in a list
>       x86/amd-iommu: Cleanup attach/detach_device code
>       x86/amd-iommu: Introduce iommu_flush_device() function
>       x86/amd-iommu: Cleanup DTE flushing code
>       x86/amd-iommu: Move reset_iommu_command_buffer out of locked code
>       x86/amd-iommu: Remove amd_iommu_pd_table
>       Merge branch 'gart/fixes' into amd-iommu/2.6.33
> 
> Pavel Vasilyev (1):
>       agp/amd64: Remove GART dependency on AGP_AMD64
> 
>  arch/x86/include/asm/amd_iommu.h       |   12 +-
>  arch/x86/include/asm/amd_iommu_proto.h |   38 +
>  arch/x86/include/asm/amd_iommu_types.h |   54 ++-
>  arch/x86/include/asm/device.h          |    2 +-
>  arch/x86/kernel/amd_iommu.c            | 1230 +++++++++++++++++---------------
>  arch/x86/kernel/amd_iommu_init.c       |   67 +-
>  drivers/char/agp/Kconfig               |    3 +-
>  7 files changed, 777 insertions(+), 629 deletions(-)
>  create mode 100644 arch/x86/include/asm/amd_iommu_proto.h
> 
> Most of the changes are for AMD IOMMU driver. The changes there are 
> bigger than usual because I did a lot of changes to the data 
> structures storing the relations between devices, protection domains 
> and iommus. A major change is that the amd_iommu_pd_table is now gone 
> and replaced by a struct iommu_dev_data for each device stored in 
> dev->archdata->iommu. These changes result in a more robust reference 
> counting, especially for devices with an alias and simplified code in 
> many places. Also included are some related cleanups which separated 
> the internal function prototypes to a several header and code movement 
> to get rid of most function forward declarations. Please pull.

Pulled into tip:core/iommu - thanks a lot Joerg!

	Ingo
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