Commit <421be3ee36a4> ("drm/rockchip: Refactor IOMMU initialisation") has
refactored rockchip_drm_init_iommu() to pass a device that the domain is
allocated for. Replace iommu_domain_alloc() with
iommu_paging_domain_alloc() to retire the former.
Signed-off-by: Lu Baolu
Re
kes
the physical device from which the host1x_device virtual device was
instantiated. This physical device is a common parent to all physical
devices that are part of the virtual device.
Suggested-by: Thierry Reding
Signed-off-by: Lu Baolu
---
drivers/gpu/drm/tegra/drm.c | 5 +++--
1 file chang
In nvkm_device_tegra_probe_iommu(), a paging domain is allocated for @dev
and attached to it on success. Use iommu_paging_domain_alloc() to make it
explicit.
Signed-off-by: Lu Baolu
---
drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions
e.kernel.org/linux-iommu/qyvyd2ftebjlgmzyayfvxsqa64c4wgx7keix3a6eexdspbvawy@a5ffnm5h5tgp/
v1:
-
https://lore.kernel.org/linux-iommu/20240812071034.9443-1-baolu...@linux.intel.com/
Lu Baolu (3):
drm/nouveau/tegra: Use iommu_paging_domain_alloc()
drm/rockchip: Use iommu_paging_domain_alloc()
drm/tegra: Use iommu_paging_domain_alloc()
An iommu domain is allocated in host1x_iommu_attach() and is attached to
host->dev. Use iommu_paging_domain_alloc() to make it explicit.
Signed-off-by: Lu Baolu
Reviewed-by: Jason Gunthorpe
Link: https://lore.kernel.org/r/2024061008.88197-8-baolu...@linux.intel.com
---
drivers/gpu/hos
bsystem prevents domains
allocated by one iommu driver from being attached to devices managed
by any different iommu driver.
Signed-off-by: Lu Baolu
Link: https://lore.kernel.org/r/2024061008.88197-20-baolu...@linux.intel.com
---
drivers/gpu/drm/tegra/drm.c | 34 +-
Commit <421be3ee36a4> ("drm/rockchip: Refactor IOMMU initialisation") has
refactored rockchip_drm_init_iommu() to pass a device that the domain is
allocated for. Replace iommu_domain_alloc() with
iommu_paging_domain_alloc() to retire the former.
Signed-off-by: Lu Baolu
Re
In nvkm_device_tegra_probe_iommu(), a paging domain is allocated for @dev
and attached to it on success. Use iommu_paging_domain_alloc() to make it
explicit.
Signed-off-by: Lu Baolu
Link: https://lore.kernel.org/r/2024061008.88197-7-baolu...@linux.intel.com
---
drivers/gpu/drm/nouveau/nvkm
Since arm_iommu_create_mapping() now accepts the device, let's replace
iommu_domain_alloc() with iommu_paging_domain_alloc() to retire the former.
Signed-off-by: Lu Baolu
Reviewed-by: Jason Gunthorpe
Link: https://lore.kernel.org/r/2024061008.88197-18-baolu...@linux.intel.com
---
arc
Signed-off-by: Lu Baolu
Link: https://lore.kernel.org/r/2024061008.88197-17-baolu...@linux.intel.com
---
arch/arm/include/asm/dma-iommu.h | 2 +-
arch/arm/mm/dma-mapping.c| 8
drivers/gpu/drm/exynos/exynos_drm_dma.c | 2 +-
drivers/iommu/ipmmu-vmsa.c
The iommu_domain_alloc() interface is no longer used in the tree anymore.
Remove it to avoid dead code.
There is increasing demand for supporting multiple IOMMU drivers, and this
is the last bus-based thing standing in the way of that.
Signed-off-by: Lu Baolu
---
include/linux/iommu.h | 6
The iommu_present() interface is no longer used in the tree anymore.
Remove it to avoid dead code.
Signed-off-by: Lu Baolu
---
include/linux/iommu.h | 6 --
drivers/iommu/iommu.c | 25 -
2 files changed, 31 deletions(-)
diff --git a/include/linux/iommu.h b/include
bsystem prevents domains
allocated by one iommu driver from being attached to devices managed
by any different iommu driver.
Signed-off-by: Lu Baolu
---
drivers/gpu/drm/tegra/drm.c | 34 +-
1 file changed, 25 insertions(+), 9 deletions(-)
diff --git a/drivers/gpu/d
Commit <421be3ee36a4> ("drm/rockchip: Refactor IOMMU initialisation") has
refactored rockchip_drm_init_iommu() to pass a device that the domain is
allocated for. Replace iommu_domain_alloc() with
iommu_paging_domain_alloc() to retire the former.
Signed-off-by: Lu Baolu
---
Since arm_iommu_create_mapping() now accepts the device, let's replace
iommu_domain_alloc() with iommu_paging_domain_alloc() to retire the former.
Signed-off-by: Lu Baolu
---
arch/arm/mm/dma-mapping.c | 6 --
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/arch/arm/m
Signed-off-by: Lu Baolu
---
arch/arm/include/asm/dma-iommu.h | 2 +-
arch/arm/mm/dma-mapping.c| 8
drivers/gpu/drm/exynos/exynos_drm_dma.c | 2 +-
drivers/iommu/ipmmu-vmsa.c | 3 +--
drivers/iommu/mtk_iommu_v1.c | 3 +--
drivers/media
The domain_alloc_user operation is currently implemented by allocating a
paging domain using iommu_domain_alloc(). This is because it needs to fully
initialize the domain before return. Add a helper to do this to avoid using
iommu_domain_alloc().
Signed-off-by: Lu Baolu
---
drivers/iommu/intel
usnic_uiom_alloc_pd() allocates a paging domain for a given device.
In this case, iommu_domain_alloc(dev->bus) is equivalent to
iommu_paging_domain_alloc(dev). Replace it as iommu_domain_alloc()
has been deprecated.
Signed-off-by: Lu Baolu
Acked-by: Jason Gunthorpe
---
drivers/infiniband
An iommu domain is allocated in portal_set_cpu() and is attached to
pcfg->dev in the same function.
Use iommu_paging_domain_alloc() to make it explicit.
Signed-off-by: Lu Baolu
---
drivers/soc/fsl/qbman/qman_portal.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --gi
An iommu domain is allocated in rproc_enable_iommu() and is attached to
rproc->dev.parent in the same function.
Use iommu_paging_domain_alloc() to make it explicit.
Signed-off-by: Lu Baolu
---
drivers/remoteproc/remoteproc_core.c | 6 +++---
1 file changed, 3 insertions(+), 3 deleti
An iommu domain is allocated in ath11k_ahb_fw_resources_init() and is
attached to ab_ahb->fw.dev in the same function.
Use iommu_paging_domain_alloc() to make it explicit.
Signed-off-by: Lu Baolu
Acked-by: Jeff Johnson
---
drivers/net/wireless/ath/ath11k/ahb.c | 6 +++---
1 file changed
An iommu domain is allocated in venus_firmware_init() and is attached to
core->fw.dev in the same function. Use iommu_paging_domain_alloc() to
make it explicit.
Signed-off-by: Lu Baolu
---
drivers/media/platform/qcom/venus/firmware.c | 6 +++---
1 file changed, 3 insertions(+), 3 deleti
An iommu domain is allocated in ath10k_fw_init() and is attached to
ar_snoc->fw.dev in the same function. Use iommu_paging_domain_alloc() to
make it explicit.
Signed-off-by: Lu Baolu
Acked-by: Jeff Johnson
---
drivers/net/wireless/ath/ath10k/snoc.c | 6 +++---
1 file changed, 3 inserti
An iommu domain is allocated in tegra_vde_iommu_init() and is attached to
vde->dev. Use iommu_paging_domain_alloc() to make it explicit.
Signed-off-by: Lu Baolu
---
drivers/media/platform/nvidia/tegra-vde/iommu.c | 7 ---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/driv
An iommu domain is allocated in host1x_iommu_attach() and is attached to
host->dev. Use iommu_paging_domain_alloc() to make it explicit.
Signed-off-by: Lu Baolu
---
drivers/gpu/host1x/dev.c | 7 ---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/host1x/dev.
In nvkm_device_tegra_probe_iommu(), a paging domain is allocated for @dev
and attached to it on success. Use iommu_paging_domain_alloc() to make it
explicit.
Signed-off-by: Lu Baolu
---
drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions
The domain allocated in msm_iommu_new() is for the @dev. Replace
iommu_domain_alloc() with iommu_paging_domain_alloc() to make it explicit.
Signed-off-by: Lu Baolu
Acked-by: Dmitry Baryshkov
---
drivers/gpu/drm/msm/msm_iommu.c | 7 +--
1 file changed, 5 insertions(+), 2 deletions(-)
diff
Replace iommu_domain_alloc() with iommu_paging_domain_alloc().
Signed-off-by: Lu Baolu
---
drivers/vhost/vdpa.c | 14 ++
1 file changed, 6 insertions(+), 8 deletions(-)
diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c
index 63a53680a85c..e31ec9ebc4ce 100644
--- a/drivers
Replace iommu_domain_alloc() with iommu_paging_domain_alloc().
Signed-off-by: Lu Baolu
---
drivers/vfio/vfio_iommu_type1.c | 7 ---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/vfio/vfio_iommu_type1.c b/drivers/vfio/vfio_iommu_type1.c
index 3a0218171cfa
If the iommu driver doesn't implement its domain_alloc_user callback,
iommufd_hwpt_paging_alloc() rolls back to allocate an iommu paging domain.
Replace iommu_domain_alloc() with iommu_user_domain_alloc() to pass the
device pointer along the path.
Signed-off-by: Lu Baolu
---
drivers/
ly
indicates the allocation of a paging domain for DMA managed by a kernel
driver. The new interface takes a device pointer as its parameter, that
better aligns with the current iommu subsystem.
Signed-off-by: Lu Baolu
---
include/linux/iommu.h | 6 ++
drivers/iommu/iommu.c | 20 +
driver, make the code compatible with the no-IOMMU
case.
- Various cleanups and refinements.
v1:
https://lore.kernel.org/linux-iommu/20240529053250.91284-1-baolu...@linux.intel.com/
Lu Baolu (20):
iommu: Add iommu_paging_domain_alloc() interface
iommufd: Use iommu_paging_domain_alloc
The iommu_domain_alloc() interface is no longer used in the tree anymore.
Remove it to avoid dead code.
There is increasing demand for supporting multiple IOMMU drivers, and this
is the last bus-based thing standing in the way of that.
Signed-off-by: Lu Baolu
---
include/linux/iommu.h | 6
The iommu_present() interface is no longer used in the tree anymore.
Remove it to avoid dead code.
Signed-off-by: Lu Baolu
---
include/linux/iommu.h | 6 --
drivers/iommu/iommu.c | 25 -
2 files changed, 31 deletions(-)
diff --git a/include/linux/iommu.h b/include
bsystem prevents domains
allocated by one iommu driver from being attached to devices managed
by any different iommu driver.
Signed-off-by: Lu Baolu
---
drivers/gpu/drm/tegra/drm.c | 34 +-
1 file changed, 25 insertions(+), 9 deletions(-)
diff --git a/drivers/gpu/d
Commit <421be3ee36a4> ("drm/rockchip: Refactor IOMMU initialisation") has
refactored rockchip_drm_init_iommu() to pass a device that the domain is
allocated for. Replace iommu_domain_alloc() with
iommu_paging_domain_alloc() to retire the former.
Signed-off-by: Lu Baolu
---
Signed-off-by: Lu Baolu
---
arch/arm/include/asm/dma-iommu.h | 2 +-
arch/arm/mm/dma-mapping.c| 8
drivers/gpu/drm/exynos/exynos_drm_dma.c | 2 +-
drivers/iommu/ipmmu-vmsa.c | 3 +--
drivers/iommu/mtk_iommu_v1.c | 3 +--
drivers/media
Since arm_iommu_create_mapping() now accepts the device, let's replace
iommu_domain_alloc() with iommu_paging_domain_alloc() to retire the former.
Signed-off-by: Lu Baolu
---
arch/arm/mm/dma-mapping.c | 6 --
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/arch/arm/m
usnic_uiom_alloc_pd() allocates a paging domain for a given device.
In this case, iommu_domain_alloc(dev->bus) is equivalent to
iommu_paging_domain_alloc(dev). Replace it as iommu_domain_alloc()
has been deprecated.
Signed-off-by: Lu Baolu
---
drivers/infiniband/hw/usnic/usnic_uiom.c
The domain_alloc_user operation is currently implemented by allocating a
paging domain using iommu_domain_alloc(). This is because it needs to fully
initialize the domain before return. Add a helper to do this to avoid using
iommu_domain_alloc().
Signed-off-by: Lu Baolu
---
drivers/iommu/intel
An iommu domain is allocated in portal_set_cpu() and is attached to
pcfg->dev in the same function.
Use iommu_paging_domain_alloc() to make it explicit.
Signed-off-by: Lu Baolu
---
drivers/soc/fsl/qbman/qman_portal.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --gi
An iommu domain is allocated in rproc_enable_iommu() and is attached to
rproc->dev.parent in the same function.
Use iommu_paging_domain_alloc() to make it explicit.
Signed-off-by: Lu Baolu
---
drivers/remoteproc/remoteproc_core.c | 6 +++---
1 file changed, 3 insertions(+), 3 deleti
An iommu domain is allocated in ath11k_ahb_fw_resources_init() and is
attached to ab_ahb->fw.dev in the same function.
Use iommu_paging_domain_alloc() to make it explicit.
Signed-off-by: Lu Baolu
---
drivers/net/wireless/ath/ath11k/ahb.c | 6 +++---
1 file changed, 3 insertions(+), 3 deleti
An iommu domain is allocated in ath10k_fw_init() and is attached to
ar_snoc->fw.dev in the same function. Use iommu_paging_domain_alloc() to
make it explicit.
Signed-off-by: Lu Baolu
---
drivers/net/wireless/ath/ath10k/snoc.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
d
An iommu domain is allocated in venus_firmware_init() and is attached to
core->fw.dev in the same function. Use iommu_paging_domain_alloc() to
make it explicit.
Signed-off-by: Lu Baolu
---
drivers/media/platform/qcom/venus/firmware.c | 6 +++---
1 file changed, 3 insertions(+), 3 deleti
An iommu domain is allocated in tegra_vde_iommu_init() and is attached to
vde->dev. Use iommu_paging_domain_alloc() to make it explicit.
Signed-off-by: Lu Baolu
---
drivers/media/platform/nvidia/tegra-vde/iommu.c | 7 ---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/driv
In nvkm_device_tegra_probe_iommu(), a paging domain is allocated for @dev
and attached to it on success. Use iommu_paging_domain_alloc() to make it
explicit.
Signed-off-by: Lu Baolu
---
drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions
An iommu domain is allocated in host1x_iommu_attach() and is attached to
host->dev. Use iommu_paging_domain_alloc() to make it explicit.
Signed-off-by: Lu Baolu
---
drivers/gpu/host1x/dev.c | 7 ---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/host1x/dev.
The domain allocated in msm_iommu_new() is for the @dev. Replace
iommu_domain_alloc() with iommu_paging_domain_alloc() to make it explicit.
Signed-off-by: Lu Baolu
---
drivers/gpu/drm/msm/msm_iommu.c | 7 +--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/msm
ly
indicates the allocation of a paging domain for DMA managed by a kernel
driver. The new interface takes a device pointer as its parameter, that
better aligns with the current iommu subsystem.
Signed-off-by: Lu Baolu
---
include/linux/iommu.h | 6 ++
drivers/iommu/iommu.c | 20 +
Replace iommu_domain_alloc() with iommu_user_domain_alloc().
Signed-off-by: Lu Baolu
---
drivers/vhost/vdpa.c | 14 ++
1 file changed, 6 insertions(+), 8 deletions(-)
diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c
index 63a53680a85c..d15673cb05f2 100644
--- a/drivers
Replace iommu_domain_alloc() with iommu_user_domain_alloc().
Signed-off-by: Lu Baolu
---
drivers/vfio/vfio_iommu_type1.c | 7 ---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/vfio/vfio_iommu_type1.c b/drivers/vfio/vfio_iommu_type1.c
index 3a0218171cfa..1d553f7f7c26
Replace iommu_domain_alloc() with iommu_user_domain_alloc().
Signed-off-by: Lu Baolu
---
drivers/iommu/iommufd/hw_pagetable.c | 20 +---
1 file changed, 5 insertions(+), 15 deletions(-)
diff --git a/drivers/iommu/iommufd/hw_pagetable.c
b/drivers/iommu/iommufd/hw_pagetable.c
lement their own
domain_alloc_user ops, most drivers haven't implemented it yet. Rollback
to the paging domain allocation interface if the iommu driver hasn't
implemented this op yet.
Signed-off-by: Lu Baolu
---
include/linux/iommu.h | 6 ++
drivers/iommu/iommu.c | 42 +++
ver, make the code compatible with the no-IOMMU
case.
- Various cleanups and refinements.
v1:
https://lore.kernel.org/linux-iommu/20240529053250.91284-1-baolu...@linux.intel.com/
Lu Baolu (21):
iommu: Add iommu_user_domain_alloc() interface
iommufd: Use iommu_user_domain_alloc()
vfio/ty
The attributes of a paging domain are initialized during the allocation
process, and any attempt to attach a domain that is not compatible will
result in a failure. Therefore, there is no need to update the domain
attributes at the time of domain attachment.
Signed-off-by: Lu Baolu
---
drivers
An iommu domain is allocated in venus_firmware_init() and is attached to
core->fw.dev in the same function. Use iommu_paging_domain_alloc() to
make it explicit.
Signed-off-by: Lu Baolu
---
drivers/media/platform/qcom/venus/firmware.c | 6 +++---
1 file changed, 3 insertions(+), 3 deleti
permissible for the super page capability to vary among
different IOMMU hardware units.
Signed-off-by: Lu Baolu
---
drivers/iommu/intel/iommu.c | 39 +
1 file changed, 1 insertion(+), 38 deletions(-)
diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel
Move paging domain allocation code out from intel_iommu_domain_alloc().
The intel_iommu_domain_alloc() is still remaining to allocate an identity
domain. However, it will soon disappear as we are about to convert the
identity domain to a global static one.
Signed-off-by: Lu Baolu
---
drivers
An iommu domain is allocated in rproc_enable_iommu() and is attached to
rproc->dev.parent in the same function.
Use iommu_paging_domain_alloc() to make it explicit.
Signed-off-by: Lu Baolu
---
drivers/remoteproc/remoteproc_core.c | 6 +++---
1 file changed, 3 insertions(+), 3 deleti
to a device and found to be incompatible with the IOMMU hardware
capabilities, the operation will return an -EINVAL error. This implicitly
advises the caller to allocate a new domain for the device and attempt the
domain attachment again.
Signed-off-by: Lu Baolu
---
drivers/iommu/intel/iommu.c
The domain_alloc_user operation is currently implemented by allocating a
paging domain using iommu_domain_alloc(). This is because it needs to fully
initialize the domain before return. Add a helper to do this to avoid using
iommu_domain_alloc().
Signed-off-by: Lu Baolu
---
drivers/iommu/intel
-off-by: Lu Baolu
---
drivers/iommu/intel/iommu.c | 18 ++
1 file changed, 18 insertions(+)
diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c
index eb8e08699b80..693a6d7c79ed 100644
--- a/drivers/iommu/intel/iommu.c
+++ b/drivers/iommu/intel/iommu.c
@@ -2190,6
The domain allocated in msm_iommu_new() is for the @dev. Replace
iommu_domain_alloc() with iommu_paging_domain_alloc() to make it explicit.
Update msm_iommu_new() to always return ERR_PTR in failure cases instead
of NULL.
Signed-off-by: Lu Baolu
---
drivers/gpu/drm/msm/msm_iommu.c | 8
Replace iommu_domain_alloc() with iommu_user_domain_alloc().
Signed-off-by: Lu Baolu
---
drivers/vhost/vdpa.c | 11 +++
1 file changed, 3 insertions(+), 8 deletions(-)
diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c
index 63a53680a85c..7784218fd9d2 100644
--- a/drivers/vhost
An iommu domain is allocated in ath10k_fw_init() and is attached to
ar_snoc->fw.dev in the same function. Use iommu_paging_domain_alloc() to
make it explicit.
Signed-off-by: Lu Baolu
---
drivers/net/wireless/ath/ath10k/snoc.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
d
An iommu domain is allocated in portal_set_cpu() and is attached to
pcfg->dev in the same function.
Use iommu_paging_domain_alloc() to make it explicit.
Signed-off-by: Lu Baolu
---
drivers/soc/fsl/qbman/qman_portal.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --gi
An iommu domain is allocated in tegra_vde_iommu_init() and is attached to
vde->dev. Use iommu_paging_domain_alloc() to make it explicit.
Signed-off-by: Lu Baolu
---
drivers/media/platform/nvidia/tegra-vde/iommu.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/driv
ts/iommu-domain-allocation-refactor-v1
Lu Baolu (20):
iommu: Add iommu_user_domain_alloc() interface
iommufd: Use iommu_user_domain_alloc()
vfio/type1: Use iommu_paging_domain_alloc()
vhost-vdpa: Use iommu_user_domain_alloc()
iommu: Add iommu_paging_domain_alloc() interface
drm/msm:
An iommu domain is allocated in host1x_iommu_attach() and is attached to
host->dev. Use iommu_paging_domain_alloc() to make it explicit.
Signed-off-by: Lu Baolu
---
drivers/gpu/host1x/dev.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/host1x/dev.
An iommu domain is allocated in ath11k_ahb_fw_resources_init() and is
attached to ab_ahb->fw.dev in the same function.
Use iommu_paging_domain_alloc() to make it explicit.
Signed-off-by: Lu Baolu
---
drivers/net/wireless/ath/ath11k/ahb.c | 6 +++---
1 file changed, 3 insertions(+), 3 deleti
In nvkm_device_tegra_probe_iommu(), a paging domain is allocated for @dev
and attached to it on success. Use iommu_paging_domain_alloc() to make it
explicit.
Signed-off-by: Lu Baolu
---
drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions
ly
indicates the allocation of a paging domain for DMA managed by a kernel
driver. The new interface takes a device pointer as its parameter, that
better aligns with the current iommu subsystem.
Signed-off-by: Lu Baolu
---
include/linux/iommu.h | 6 ++
drivers/iommu/iommu.c | 20 +
Replace iommu_domain_alloc() with iommu_user_domain_alloc().
Signed-off-by: Lu Baolu
---
drivers/vfio/vfio_iommu_type1.c | 7 ---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/vfio/vfio_iommu_type1.c b/drivers/vfio/vfio_iommu_type1.c
index 3a0218171cfa..1d553f7f7c26
lement their own
domain_alloc_user ops, most drivers haven't implemented it yet. Rollback
to the paging domain allocation interface if the iommu driver hasn't
implemented this op yet.
Signed-off-by: Lu Baolu
---
include/linux/iommu.h | 6 ++
drivers/iommu/iommu.c | 42 +++
Replace iommu_domain_alloc() with iommu_user_domain_alloc().
Signed-off-by: Lu Baolu
---
drivers/iommu/iommufd/hw_pagetable.c | 20 +---
1 file changed, 5 insertions(+), 15 deletions(-)
diff --git a/drivers/iommu/iommufd/hw_pagetable.c
b/drivers/iommu/iommufd/hw_pagetable.c
On 2/2/22 10:37 AM, Akeem G Abodunrin wrote:
iommu_dev_has_feature() api has been removed by the commit 262948f8ba573
("iommu: Delete iommu_dev_has_feature()") - So this patch removes comment
about the api to avoid any confusion.
Signed-off-by: Akeem G Abodunrin
Cc: Lu Baolu
The suported page sizes of an iommu_domain are saved in the pgsize_bitmap
field. Retrieve the value from the right place.
Fixes: 58fd9375c2c534 ("drm/nouveau/platform: probe IOMMU if present")
Signed-off-by: Lu Baolu
---
drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c | 2 +-
1 fi
ange
in the future.
With device_iommu_mapped() replaced,
Reviewed-by: Lu Baolu
Best regards,
baolu
On 11/11/21 11:18 PM, Tvrtko Ursulin wrote:
On 10/11/2021 14:37, Robin Murphy wrote:
On 2021-11-10 14:11, Tvrtko Ursulin wrote:
On 10/11/2021 12:35, Lu Baolu wrote:
On 2021/11/10 20:08, Tvrtko Ursulin wrote:
On 10/11/2021 12:04, Lu Baolu wrote:
On 2021/11/10 17:30, Tvrtko Ursulin wrote
On 11/11/21 11:06 PM, Tvrtko Ursulin wrote:
On 10/11/2021 12:35, Lu Baolu wrote:
On 2021/11/10 20:08, Tvrtko Ursulin wrote:
On 10/11/2021 12:04, Lu Baolu wrote:
On 2021/11/10 17:30, Tvrtko Ursulin wrote:
On 10/11/2021 07:12, Lu Baolu wrote:
Hi Tvrtko,
On 2021/11/9 20:17, Tvrtko Ursulin
On 2021/11/10 20:08, Tvrtko Ursulin wrote:
On 10/11/2021 12:04, Lu Baolu wrote:
On 2021/11/10 17:30, Tvrtko Ursulin wrote:
On 10/11/2021 07:12, Lu Baolu wrote:
Hi Tvrtko,
On 2021/11/9 20:17, Tvrtko Ursulin wrote:
From: Tvrtko Ursulin
On igfx + dgfx setups, it appears that intel_iommu
On 2021/11/10 17:35, Tvrtko Ursulin wrote:
On 10/11/2021 07:25, Lu Baolu wrote:
On 2021/11/10 1:35, Tvrtko Ursulin wrote:
On 09/11/2021 17:19, Lucas De Marchi wrote:
On Tue, Nov 09, 2021 at 12:17:59PM +, Tvrtko Ursulin wrote:
From: Tvrtko Ursulin
On igfx + dgfx setups, it appears
On 2021/11/10 17:30, Tvrtko Ursulin wrote:
On 10/11/2021 07:12, Lu Baolu wrote:
Hi Tvrtko,
On 2021/11/9 20:17, Tvrtko Ursulin wrote:
From: Tvrtko Ursulin
On igfx + dgfx setups, it appears that intel_iommu=igfx_off option only
disables the igfx iommu. Stop relying on global
status.
Signed-off-by: Tvrtko Ursulin
Cc: Lu Baolu
---
Baolu, is my understanding here correct? Maybe I am confused by both
intel_iommu_gfx_mapped and dmar_map_gfx being globals in the intel_iommu
driver. But it certainly appears the setup can assign some iommu ops (and
assign the discrete i915 to iommu
On 2021/11/10 1:35, Tvrtko Ursulin wrote:
On 09/11/2021 17:19, Lucas De Marchi wrote:
On Tue, Nov 09, 2021 at 12:17:59PM +, Tvrtko Ursulin wrote:
From: Tvrtko Ursulin
On igfx + dgfx setups, it appears that intel_iommu=igfx_off option only
disables the igfx iommu. Stop relying on global i
tel_iommu *iommu)
{
Looks good to me.
Reviewed-by: Lu Baolu
Best regards,
baolu
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On 2020/3/20 14:30, Tom Murphy wrote:
Could we merge patch 1-3 from this series? it just cleans up weird
code and merging these patches will cover some of the work needed to
move the intel iommu driver to the dma-iommu api in the future.
Can you please take a look at this patch series?
https:/
Hi,
On 12/21/19 11:03 PM, Tom Murphy wrote:
@@ -5618,9 +5583,13 @@ static int intel_iommu_add_device(struct device *dev)
struct iommu_domain *domain;
struct intel_iommu *iommu;
struct iommu_group *group;
+ u64 dma_mask = *dev->dma_mask;
u8 bus, devfn;
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