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* cleanup unused or almost unused IOMMU APIs and the FSL PAMU driver
@ 2021-03-01  8:42 ` Christoph Hellwig
  0 siblings, 0 replies; 207+ messages in thread
From: Christoph Hellwig @ 2021-03-01  8:42 UTC (permalink / raw)
  To: Joerg Roedel, Will Deacon, Li Yang
  Cc: Michael Ellerman, David Woodhouse, Lu Baolu, linuxppc-dev,
	linux-arm-msm, dri-devel, freedreno, iommu, linux-arm-kernel,
	kvm, virtualization, netdev

Hi all,

there are a bunch of IOMMU APIs that are entirely unused, or only used as
a private communication channel between the FSL PAMU driver and it's only
consumer, the qbman portal driver.

So this series drops a huge chunk of entirely unused FSL PAMU
functionality, then drops all kinds of unused IOMMU APIs, and then
replaces what is left of the iommu_attrs with properly typed, smaller
and easier to use specific APIs.

Diffstat:
 arch/powerpc/include/asm/fsl_pamu_stash.h   |   12 
 drivers/gpu/drm/msm/adreno/adreno_gpu.c     |    2 
 drivers/iommu/amd/iommu.c                   |   23 
 drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c |   85 ---
 drivers/iommu/arm/arm-smmu/arm-smmu.c       |  122 +---
 drivers/iommu/dma-iommu.c                   |    8 
 drivers/iommu/fsl_pamu.c                    |  264 ----------
 drivers/iommu/fsl_pamu.h                    |   10 
 drivers/iommu/fsl_pamu_domain.c             |  694 ++--------------------------
 drivers/iommu/fsl_pamu_domain.h             |   46 -
 drivers/iommu/intel/iommu.c                 |   55 --
 drivers/iommu/iommu.c                       |   75 ---
 drivers/soc/fsl/qbman/qman_portal.c         |   56 --
 drivers/vfio/vfio_iommu_type1.c             |   31 -
 drivers/vhost/vdpa.c                        |   10 
 include/linux/iommu.h                       |   81 ---
 16 files changed, 214 insertions(+), 1360 deletions(-)

^ permalink raw reply	[flat|nested] 207+ messages in thread

end of thread, other threads:[~2021-03-25  6:55 UTC | newest]

Thread overview: 207+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-03-01  8:42 cleanup unused or almost unused IOMMU APIs and the FSL PAMU driver Christoph Hellwig
2021-03-01  8:42 ` Christoph Hellwig
2021-03-01  8:42 ` Christoph Hellwig
2021-03-01  8:42 ` Christoph Hellwig
2021-03-01  8:42 ` Christoph Hellwig
2021-03-01  8:42 ` [PATCH 01/17] iommu: remove the unused domain_window_disable method Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42 ` [PATCH 02/17] iommu/fsl_pamu: remove fsl_pamu_get_domain_attr Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42 ` [PATCH 03/17] iommu/fsl_pamu: remove support for setting DOMAIN_ATTR_GEOMETRY Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42 ` [PATCH 04/17] iommu/fsl_pamu: merge iommu_alloc_dma_domain into fsl_pamu_domain_alloc Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42 ` [PATCH 05/17] iommu/fsl_pamu: remove support for multiple windows Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42 ` [PATCH 06/17] iommu/fsl_pamu: remove ->domain_window_enable Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42 ` [PATCH 07/17] iommu/fsl_pamu: replace DOMAIN_ATTR_FSL_PAMU_STASH with a direct call Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42 ` [PATCH 08/17] iommu/fsl_pamu: merge pamu_set_liodn and map_liodn Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42 ` [PATCH 09/17] iommu/fsl_pamu: merge handle_attach_device into fsl_pamu_attach_device Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42 ` [PATCH 10/17] iommu/fsl_pamu: enable the liodn when attaching a device Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42 ` [PATCH 11/17] iommu/fsl_pamu: remove the snoop_id field Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42 ` [PATCH 12/17] iommu: remove DOMAIN_ATTR_PAGING Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42 ` [PATCH 13/17] iommu: remove DOMAIN_ATTR_GEOMETRY Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42 ` [PATCH 14/17] iommu: remove DOMAIN_ATTR_DMA_USE_FLUSH_QUEUE Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-04 15:25   ` Robin Murphy
2021-03-04 15:25     ` Robin Murphy
2021-03-04 15:25     ` Robin Murphy
2021-03-04 15:25     ` Robin Murphy
2021-03-04 15:25     ` Robin Murphy
2021-03-04 15:25     ` Robin Murphy
2021-03-10  8:54     ` Christoph Hellwig
2021-03-10  8:54       ` Christoph Hellwig
2021-03-10  8:54       ` Christoph Hellwig
2021-03-10  8:54       ` Christoph Hellwig
2021-03-10  8:54       ` Christoph Hellwig
2021-03-10  9:15     ` Christoph Hellwig
2021-03-10  9:15       ` Christoph Hellwig
2021-03-10  9:15       ` Christoph Hellwig
2021-03-10  9:15       ` Christoph Hellwig
2021-03-10  9:15       ` Christoph Hellwig
2021-03-10  9:25       ` Christoph Hellwig
2021-03-10  9:25         ` Christoph Hellwig
2021-03-10  9:25         ` Christoph Hellwig
2021-03-10  9:25         ` Christoph Hellwig
2021-03-10  9:25         ` Christoph Hellwig
2021-03-10 18:39         ` Robin Murphy
2021-03-10 18:39           ` Robin Murphy
2021-03-10 18:39           ` Robin Murphy
2021-03-10 18:39           ` Robin Murphy
2021-03-10 18:39           ` Robin Murphy
2021-03-10 18:39           ` Robin Murphy
2021-03-11  8:26           ` Christoph Hellwig
2021-03-11  8:26             ` Christoph Hellwig
2021-03-11  8:26             ` Christoph Hellwig
2021-03-11  8:26             ` Christoph Hellwig
2021-03-11  8:26             ` Christoph Hellwig
2021-03-12 16:18             ` Robin Murphy
2021-03-12 16:18               ` Robin Murphy
2021-03-12 16:18               ` Robin Murphy
2021-03-12 16:18               ` Robin Murphy
2021-03-12 16:18               ` Robin Murphy
2021-03-12 16:18               ` Robin Murphy
2021-03-15  8:33               ` Christoph Hellwig
2021-03-15  8:33                 ` Christoph Hellwig
2021-03-15  8:33                 ` Christoph Hellwig
2021-03-15  8:33                 ` Christoph Hellwig
2021-03-15  8:33                 ` Christoph Hellwig
2021-03-16 13:03                 ` Robin Murphy
2021-03-16 13:03                   ` Robin Murphy
2021-03-16 13:03                   ` Robin Murphy
2021-03-16 13:03                   ` Robin Murphy
2021-03-16 13:03                   ` Robin Murphy
2021-03-16 13:03                   ` Robin Murphy
2021-03-01  8:42 ` [PATCH 15/17] iommu: remove DOMAIN_ATTR_NESTING Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-14 10:44   ` Auger Eric
2021-03-14 10:44     ` Auger Eric
2021-03-14 10:44     ` Auger Eric
2021-03-14 10:44     ` Auger Eric
2021-03-14 10:44     ` Auger Eric
2021-03-14 10:44     ` Auger Eric
2021-03-14 15:58     ` Christoph Hellwig
2021-03-14 15:58       ` Christoph Hellwig
2021-03-14 15:58       ` Christoph Hellwig
2021-03-14 15:58       ` Christoph Hellwig
2021-03-14 15:58       ` Christoph Hellwig
2021-03-15  7:52       ` Auger Eric
2021-03-15  7:52         ` Auger Eric
2021-03-15  7:52         ` Auger Eric
2021-03-15  7:52         ` Auger Eric
2021-03-15  7:52         ` Auger Eric
2021-03-15  7:52         ` Auger Eric
2021-03-25  6:12         ` Tian, Kevin
2021-03-25  6:12           ` Tian, Kevin
2021-03-25  6:12           ` Tian, Kevin
2021-03-25  6:12           ` Tian, Kevin
2021-03-25  6:12           ` Tian, Kevin
2021-03-25  6:12           ` Tian, Kevin
2021-03-25  6:51           ` Christoph Hellwig
2021-03-25  6:51             ` Christoph Hellwig
2021-03-25  6:51             ` Christoph Hellwig
2021-03-25  6:51             ` Christoph Hellwig
2021-03-25  6:51             ` Christoph Hellwig
2021-03-01  8:42 ` [PATCH 16/17] iommu: remove DOMAIN_ATTR_IO_PGTABLE_CFG Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-04 15:48   ` Robin Murphy
2021-03-04 15:48     ` Robin Murphy
2021-03-04 15:48     ` Robin Murphy
2021-03-04 15:48     ` Robin Murphy
2021-03-04 15:48     ` Robin Murphy
2021-03-04 15:48     ` Robin Murphy
2021-03-04 23:11     ` [Freedreno] " Rob Clark
2021-03-04 23:11       ` Rob Clark
2021-03-04 23:11       ` Rob Clark
2021-03-04 23:11       ` Rob Clark
2021-03-04 23:11       ` Rob Clark
2021-03-04 23:11       ` Rob Clark
2021-03-05 10:00       ` Will Deacon
2021-03-05 10:00         ` Will Deacon
2021-03-05 10:00         ` Will Deacon
2021-03-05 10:00         ` Will Deacon
2021-03-05 10:00         ` Will Deacon
2021-03-05 10:00         ` Will Deacon
2021-03-10  8:58         ` Christoph Hellwig
2021-03-10  8:58           ` Christoph Hellwig
2021-03-10  8:58           ` Christoph Hellwig
2021-03-10  8:58           ` Christoph Hellwig
2021-03-10  8:58           ` Christoph Hellwig
2021-03-10 10:55           ` Will Deacon
2021-03-10 10:55             ` Will Deacon
2021-03-10 10:55             ` Will Deacon
2021-03-10 10:55             ` Will Deacon
2021-03-10 10:55             ` Will Deacon
2021-03-10 10:55             ` Will Deacon
2021-03-01  8:42 ` [PATCH 17/17] iommu: remove iommu_domain_set_attr Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-01  8:42   ` Christoph Hellwig
2021-03-04 11:10 ` cleanup unused or almost unused IOMMU APIs and the FSL PAMU driver Joerg Roedel
2021-03-04 11:10   ` Joerg Roedel
2021-03-04 11:10   ` Joerg Roedel
2021-03-04 11:10   ` Joerg Roedel
2021-03-04 11:10   ` Joerg Roedel
2021-03-04 11:10   ` Joerg Roedel
2021-03-06  0:03 ` Li Yang
2021-03-06  0:03   ` Li Yang
2021-03-06  0:03   ` Li Yang
2021-03-06  0:03   ` Li Yang
2021-03-06  0:03   ` Li Yang

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