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From: Auger Eric <eric.auger-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
To: Jean-Philippe Brucker
	<jean-philippe.brucker-5wv7dgnIgG8@public.gmane.org>,
	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
	linux-pci-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-acpi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
	kvm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
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Cc: xieyisheng1-hv44wF8Li93QT0dZR+AlfA@public.gmane.org,
	ilias.apalodimas-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org,
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Subject: Re: [PATCH v2 01/40] iommu: Introduce Shared Virtual Addressing API
Date: Wed, 5 Sep 2018 13:29:10 +0200
Message-ID: <bf42affd-e9d0-e4fc-6d28-f3c3f7795348@redhat.com> (raw)
In-Reply-To: <20180511190641.23008-2-jean-philippe.brucker-5wv7dgnIgG8@public.gmane.org>

Hi Jean-Philippe,
On 05/11/2018 09:06 PM, Jean-Philippe Brucker wrote:
> Shared Virtual Addressing (SVA) provides a way for device drivers to bind
> process address spaces to devices. This requires the IOMMU to support page
> table format and features compatible with the CPUs, and usually requires
> the system to support I/O Page Faults (IOPF) and Process Address Space ID
> (PASID). When all of these are available, DMA can access virtual addresses
> of a process. A PASID is allocated for each process, and the device driver
> programs it into the device in an implementation-specific way.
> 
> Add a new API for sharing process page tables with devices. Introduce two
> IOMMU operations, sva_device_init() and sva_device_shutdown(), that
> prepare the IOMMU driver for SVA. For example allocate PASID tables and
> fault queues. Subsequent patches will implement the bind() and unbind()
> operations.
> 
> Support for I/O Page Faults will be added in a later patch using a new
> feature bit (IOMMU_SVA_FEAT_IOPF). With the current API users must pin
> down all shared mappings. Other feature bits that may be added in the
> future are IOMMU_SVA_FEAT_PRIVATE, to support private PASID address
> spaces, and IOMMU_SVA_FEAT_NO_PASID, to bind the whole device address
> space to a process.
> 
> Signed-off-by: Jean-Philippe Brucker <jean-philippe.brucker-5wv7dgnIgG8@public.gmane.org>
> 
> ---
> v1->v2:
> * Add sva_param structure to iommu_param
> * CONFIG option is only selectable by IOMMU drivers
> ---
>  drivers/iommu/Kconfig     |   4 ++
>  drivers/iommu/Makefile    |   1 +
>  drivers/iommu/iommu-sva.c | 110 ++++++++++++++++++++++++++++++++++++++
>  include/linux/iommu.h     |  32 +++++++++++
>  4 files changed, 147 insertions(+)
>  create mode 100644 drivers/iommu/iommu-sva.c
> 
> diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
> index 7564237f788d..cca8e06903c7 100644
> --- a/drivers/iommu/Kconfig
> +++ b/drivers/iommu/Kconfig
> @@ -74,6 +74,10 @@ config IOMMU_DMA
>  	select IOMMU_IOVA
>  	select NEED_SG_DMA_LENGTH
>  
> +config IOMMU_SVA
> +	bool
> +	select IOMMU_API
> +
>  config FSL_PAMU
>  	bool "Freescale IOMMU support"
>  	depends on PCI
> diff --git a/drivers/iommu/Makefile b/drivers/iommu/Makefile
> index 1fb695854809..1dbcc89ebe4c 100644
> --- a/drivers/iommu/Makefile
> +++ b/drivers/iommu/Makefile
> @@ -3,6 +3,7 @@ obj-$(CONFIG_IOMMU_API) += iommu.o
>  obj-$(CONFIG_IOMMU_API) += iommu-traces.o
>  obj-$(CONFIG_IOMMU_API) += iommu-sysfs.o
>  obj-$(CONFIG_IOMMU_DMA) += dma-iommu.o
> +obj-$(CONFIG_IOMMU_SVA) += iommu-sva.o
>  obj-$(CONFIG_IOMMU_IO_PGTABLE) += io-pgtable.o
>  obj-$(CONFIG_IOMMU_IO_PGTABLE_ARMV7S) += io-pgtable-arm-v7s.o
>  obj-$(CONFIG_IOMMU_IO_PGTABLE_LPAE) += io-pgtable-arm.o
> diff --git a/drivers/iommu/iommu-sva.c b/drivers/iommu/iommu-sva.c
> new file mode 100644
> index 000000000000..8b4afb7c63ae
> --- /dev/null
> +++ b/drivers/iommu/iommu-sva.c
> @@ -0,0 +1,110 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Manage PASIDs and bind process address spaces to devices.
> + *
> + * Copyright (C) 2018 ARM Ltd.
> + */
> +
> +#include <linux/iommu.h>
> +#include <linux/slab.h>
> +
> +/**
> + * iommu_sva_device_init() - Initialize Shared Virtual Addressing for a device
> + * @dev: the device
> + * @features: bitmask of features that need to be initialized
> + * @max_pasid: max PASID value supported by the device
> + *
> + * Users of the bind()/unbind() API must call this function to initialize all
> + * features required for SVA.
> + *
> + * The device must support multiple address spaces (e.g. PCI PASID). By default
> + * the PASID allocated during bind() is limited by the IOMMU capacity, and by
> + * the device PASID width defined in the PCI capability or in the firmware
> + * description. Setting @max_pasid to a non-zero value smaller than this limit
> + * overrides it.
> + *
> + * The device should not be performing any DMA while this function is running,
> + * otherwise the behavior is undefined.
> + *
> + * Return 0 if initialization succeeded, or an error.
> + */
> +int iommu_sva_device_init(struct device *dev, unsigned long features,
> +			  unsigned int max_pasid)
what about min_pasid?
> +{
> +	int ret;
> +	struct iommu_sva_param *param;
> +	struct iommu_domain *domain = iommu_get_domain_for_dev(dev);
> +
> +	if (!domain || !domain->ops->sva_device_init)
> +		return -ENODEV;
> +
> +	if (features)
> +		return -EINVAL;
> +
> +	param = kzalloc(sizeof(*param), GFP_KERNEL);
> +	if (!param)
> +		return -ENOMEM;
> +
> +	param->features		= features;
> +	param->max_pasid	= max_pasid;
> +
> +	/*
> +	 * IOMMU driver updates the limits depending on the IOMMU and device
> +	 * capabilities.
> +	 */
> +	ret = domain->ops->sva_device_init(dev, param);
> +	if (ret)
> +		goto err_free_param;
So you are likely to call sva_device_init even if it was already called
(ie. dev->iommu_param->sva_param is already set). Can't you test whether
dev->iommu_param->sva_param is already set first?
> +
> +	mutex_lock(&dev->iommu_param->lock);
> +	if (dev->iommu_param->sva_param)
> +		ret = -EEXIST;
> +	else
> +		dev->iommu_param->sva_param = param;
> +	mutex_unlock(&dev->iommu_param->lock);
> +	if (ret)
> +		goto err_device_shutdown;
> +
> +	return 0;
> +
> +err_device_shutdown:
> +	if (domain->ops->sva_device_shutdown)
> +		domain->ops->sva_device_shutdown(dev, param);
> +
> +err_free_param:
> +	kfree(param);
> +
> +	return ret;
> +}
> +EXPORT_SYMBOL_GPL(iommu_sva_device_init);
> +
> +/**
> + * iommu_sva_device_shutdown() - Shutdown Shared Virtual Addressing for a device
> + * @dev: the device
> + *
> + * Disable SVA. Device driver should ensure that the device isn't performing any
> + * DMA while this function is running.
> + */
> +int iommu_sva_device_shutdown(struct device *dev)
Not sure the returned value is required for a shutdown operation.
> +{
> +	struct iommu_sva_param *param;
> +	struct iommu_domain *domain = iommu_get_domain_for_dev(dev);
> +
> +	if (!domain)
> +		return -ENODEV;
> +
> +	mutex_lock(&dev->iommu_param->lock);
> +	param = dev->iommu_param->sva_param;
> +	dev->iommu_param->sva_param = NULL;
> +	mutex_unlock(&dev->iommu_param->lock);
> +	if (!param)
> +		return -ENODEV;
> +
> +	if (domain->ops->sva_device_shutdown)
> +		domain->ops->sva_device_shutdown(dev, param);
> +
> +	kfree(param);
> +
> +	return 0;
> +}
> +EXPORT_SYMBOL_GPL(iommu_sva_device_shutdown);
> diff --git a/include/linux/iommu.h b/include/linux/iommu.h
> index 0933f726d2e6..2efe7738bedb 100644
> --- a/include/linux/iommu.h
> +++ b/include/linux/iommu.h
> @@ -212,6 +212,12 @@ struct page_response_msg {
>  	u64 private_data;
>  };
>  
> +struct iommu_sva_param {
What are the feature values?
> +	unsigned long features;
> +	unsigned int min_pasid;
> +	unsigned int max_pasid;
> +};
> +
>  /**
>   * struct iommu_ops - iommu ops and capabilities
>   * @capable: check capability
> @@ -219,6 +225,8 @@ struct page_response_msg {
>   * @domain_free: free iommu domain
>   * @attach_dev: attach device to an iommu domain
>   * @detach_dev: detach device from an iommu domain
> + * @sva_device_init: initialize Shared Virtual Adressing for a device
Addressing
> + * @sva_device_shutdown: shutdown Shared Virtual Adressing for a device
Addressing
>   * @map: map a physically contiguous memory region to an iommu domain
>   * @unmap: unmap a physically contiguous memory region from an iommu domain
>   * @map_sg: map a scatter-gather list of physically contiguous memory chunks
> @@ -256,6 +264,10 @@ struct iommu_ops {
>  
>  	int (*attach_dev)(struct iommu_domain *domain, struct device *dev);
>  	void (*detach_dev)(struct iommu_domain *domain, struct device *dev);
> +	int (*sva_device_init)(struct device *dev,
> +			       struct iommu_sva_param *param);
> +	void (*sva_device_shutdown)(struct device *dev,
> +				    struct iommu_sva_param *param);
>  	int (*map)(struct iommu_domain *domain, unsigned long iova,
>  		   phys_addr_t paddr, size_t size, int prot);
>  	size_t (*unmap)(struct iommu_domain *domain, unsigned long iova,
> @@ -413,6 +425,7 @@ struct iommu_fault_param {
>   * struct iommu_param - collection of per-device IOMMU data
>   *
>   * @fault_param: IOMMU detected device fault reporting data
> + * @sva_param: SVA parameters
>   *
>   * TODO: migrate other per device data pointers under iommu_dev_data, e.g.
>   *	struct iommu_group	*iommu_group;
> @@ -421,6 +434,7 @@ struct iommu_fault_param {
>  struct iommu_param {
>  	struct mutex lock;
>  	struct iommu_fault_param *fault_param;
> +	struct iommu_sva_param *sva_param;
>  };
>  
>  int  iommu_device_register(struct iommu_device *iommu);
> @@ -920,4 +934,22 @@ static inline int iommu_sva_invalidate(struct iommu_domain *domain,
>  
>  #endif /* CONFIG_IOMMU_API */
>  
> +#ifdef CONFIG_IOMMU_SVA
> +extern int iommu_sva_device_init(struct device *dev, unsigned long features,
> +				 unsigned int max_pasid);
> +extern int iommu_sva_device_shutdown(struct device *dev);
> +#else /* CONFIG_IOMMU_SVA */
> +static inline int iommu_sva_device_init(struct device *dev,
> +					unsigned long features,
> +					unsigned int max_pasid)
> +{
> +	return -ENODEV;
> +}
> +
> +static inline int iommu_sva_device_shutdown(struct device *dev)
> +{
> +	return -ENODEV;
> +}
> +#endif /* CONFIG_IOMMU_SVA */
> +
>  #endif /* __LINUX_IOMMU_H */
> 

Thanks

Eric

  parent reply index

Thread overview: 123+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-11 19:06 [PATCH v2 00/40] Shared Virtual Addressing for the IOMMU Jean-Philippe Brucker
     [not found] ` <20180511190641.23008-1-jean-philippe.brucker-5wv7dgnIgG8@public.gmane.org>
2018-05-11 19:06   ` [PATCH v2 01/40] iommu: Introduce Shared Virtual Addressing API Jean-Philippe Brucker
     [not found]     ` <20180511190641.23008-2-jean-philippe.brucker-5wv7dgnIgG8@public.gmane.org>
2018-05-16 20:41       ` Jacob Pan
2018-05-17 10:02         ` Jean-Philippe Brucker
2018-05-17 17:00           ` Jacob Pan
2018-09-05 11:29       ` Auger Eric [this message]
     [not found]         ` <bf42affd-e9d0-e4fc-6d28-f3c3f7795348-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2018-09-06 11:09           ` Jean-Philippe Brucker
     [not found]             ` <03d31ba5-1eda-ea86-8c0c-91d14c86fe83-5wv7dgnIgG8@public.gmane.org>
2018-09-06 11:12               ` Christian König
     [not found]                 ` <ed39159c-087e-7e56-7d29-d1de9fa1677f-5C7GfCeVMHo@public.gmane.org>
2018-09-06 12:45                   ` Jean-Philippe Brucker
     [not found]                     ` <f0b317d5-e2e9-5478-952c-05e8b97bd68b-5wv7dgnIgG8@public.gmane.org>
2018-09-07  8:55                       ` Christian König
     [not found]                         ` <2fd4a0a1-1a35-bf82-df84-b995cce011d9-5C7GfCeVMHo@public.gmane.org>
2018-09-07 15:45                           ` Jean-Philippe Brucker
     [not found]                             ` <65e7accd-4446-19f5-c667-c6407e89cfa6-5wv7dgnIgG8@public.gmane.org>
2018-09-07 18:02                               ` Christian König
     [not found]                                 ` <5bbc0332-b94b-75cc-ca42-a9b196811daf-5C7GfCeVMHo@public.gmane.org>
2018-09-07 21:25                                   ` Jacob Pan
2018-09-08  7:29                                     ` Christian König
     [not found]                                       ` <3e3a6797-a233-911b-3a7d-d9b549160960-5C7GfCeVMHo@public.gmane.org>
2018-09-12 12:40                                         ` Jean-Philippe Brucker
     [not found]                                           ` <9445a0be-fb5b-d195-4fdf-7ad6cb36ef4f-5wv7dgnIgG8@public.gmane.org>
2018-09-12 12:56                                             ` Christian König
2018-09-13  7:15                                     ` Tian, Kevin
2018-09-13  7:26                           ` Tian, Kevin
2018-05-11 19:06   ` [PATCH v2 02/40] iommu/sva: Bind process address spaces to devices Jean-Philippe Brucker
     [not found]     ` <20180511190641.23008-3-jean-philippe.brucker-5wv7dgnIgG8@public.gmane.org>
2018-05-17 13:10       ` Jonathan Cameron
     [not found]         ` <20180517141058.00001c76-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2018-05-21 14:43           ` Jean-Philippe Brucker
2018-09-05 11:29       ` Auger Eric
     [not found]         ` <471873d4-a1a6-1a3a-cf17-1e686b4ade96-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2018-09-06 11:09           ` Jean-Philippe Brucker
2018-05-11 19:06   ` [PATCH v2 03/40] iommu/sva: Manage process address spaces Jean-Philippe Brucker
     [not found]     ` <20180511190641.23008-4-jean-philippe.brucker-5wv7dgnIgG8@public.gmane.org>
2018-05-16 23:31       ` Jacob Pan
2018-05-17 10:02         ` Jean-Philippe Brucker
     [not found]           ` <de478769-9f7a-d40b-a55e-e2c63ad883e8-5wv7dgnIgG8@public.gmane.org>
2018-05-22 16:43             ` Jacob Pan
2018-05-24 11:44               ` Jean-Philippe Brucker
2018-05-24 11:50                 ` Ilias Apalodimas
2018-05-24 15:04                   ` Jean-Philippe Brucker
     [not found]                     ` <19e82a74-429a-3f86-119e-32b12082d0ff-5wv7dgnIgG8@public.gmane.org>
2018-05-25  6:33                       ` Ilias Apalodimas
2018-05-25  8:39                         ` Jonathan Cameron
     [not found]                           ` <20180525093959.000040a7-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2018-05-26  2:24                             ` Kenneth Lee
2018-05-26  2:24                           ` Kenneth Lee
     [not found]                           ` <20180526022445.GA6069@kllp05>
2018-06-11 16:10                             ` Kenneth Lee
2018-06-11 16:10                             ` Kenneth Lee
2018-06-11 16:32                           ` Kenneth Lee
2018-05-17 14:25       ` Jonathan Cameron
     [not found]         ` <20180517150516.000067ca-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2018-05-21 14:44           ` Jean-Philippe Brucker
2018-09-05 12:14       ` Auger Eric
     [not found]         ` <d785ec89-6743-d0f1-1a7f-85599a033e5b-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2018-09-05 18:18           ` Jacob Pan
2018-09-06 17:40             ` Jean-Philippe Brucker
2018-09-06 11:10           ` Jean-Philippe Brucker
2018-05-11 19:06   ` [PATCH v2 04/40] iommu/sva: Add a mm_exit callback for device drivers Jean-Philippe Brucker
     [not found]     ` <20180511190641.23008-5-jean-philippe.brucker-5wv7dgnIgG8@public.gmane.org>
2018-09-05 13:23       ` Auger Eric
     [not found]         ` <d1dc28c4-7742-9c41-3f91-3fbcb8b13c1c-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2018-09-06 11:10           ` Jean-Philippe Brucker
2018-05-11 19:06   ` [PATCH v2 05/40] iommu/sva: Track mm changes with an MMU notifier Jean-Philippe Brucker
     [not found]     ` <20180511190641.23008-6-jean-philippe.brucker-5wv7dgnIgG8@public.gmane.org>
2018-05-17 14:25       ` Jonathan Cameron
     [not found]         ` <20180517152514.00004247-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2018-05-21 14:44           ` Jean-Philippe Brucker
2018-05-11 19:06   ` [PATCH v2 06/40] iommu/sva: Search mm by PASID Jean-Philippe Brucker
2018-05-11 19:06   ` [PATCH v2 07/40] iommu: Add a page fault handler Jean-Philippe Brucker
     [not found]     ` <20180511190641.23008-8-jean-philippe.brucker-5wv7dgnIgG8@public.gmane.org>
2018-05-17 15:25       ` Jonathan Cameron
     [not found]         ` <20180517162555.00002bd3-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2018-05-21 14:48           ` Jean-Philippe Brucker
2018-05-18 18:04       ` Jacob Pan
2018-05-21 14:49         ` Jean-Philippe Brucker
     [not found]           ` <8a640794-a6f3-fa01-82a9-06479a6f779a-5wv7dgnIgG8@public.gmane.org>
2018-05-22 23:35             ` Jacob Pan
2018-05-24 11:44               ` Jean-Philippe Brucker
     [not found]                 ` <bdf9f221-ab97-2168-d072-b7f6a0dba840-5wv7dgnIgG8@public.gmane.org>
2018-05-26  0:35                   ` Jacob Pan
2018-05-29 10:00                     ` Jean-Philippe Brucker
2018-05-11 19:06   ` [PATCH v2 08/40] iommu/iopf: Handle mm faults Jean-Philippe Brucker
2018-05-11 19:06   ` [PATCH v2 09/40] iommu/sva: Register page fault handler Jean-Philippe Brucker
2018-05-11 19:06   ` [PATCH v2 10/40] mm: export symbol mm_access Jean-Philippe Brucker
2018-05-11 19:06   ` [PATCH v2 11/40] mm: export symbol find_get_task_by_vpid Jean-Philippe Brucker
2018-05-11 19:06   ` [PATCH v2 12/40] mm: export symbol mmput_async Jean-Philippe Brucker
2018-05-11 19:06   ` [PATCH v2 13/40] vfio: Add support for Shared Virtual Addressing Jean-Philippe Brucker
     [not found]     ` <20180511190641.23008-14-jean-philippe.brucker-5wv7dgnIgG8@public.gmane.org>
2018-05-17 15:58       ` Jonathan Cameron
     [not found]         ` <20180517165845.00000cc9-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2018-05-21 14:51           ` Jean-Philippe Brucker
2018-05-23  9:38       ` Xu Zaibo
     [not found]         ` <5B0536A3.1000304-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2018-05-24 11:44           ` Jean-Philippe Brucker
     [not found]             ` <cd13f60d-b282-3804-4ca7-2d34476c597f-5wv7dgnIgG8@public.gmane.org>
2018-05-24 12:35               ` Xu Zaibo
     [not found]                 ` <5B06B17C.1090809-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2018-05-24 15:04                   ` Jean-Philippe Brucker
     [not found]                     ` <205c1729-8026-3efe-c363-d37d7150d622-5wv7dgnIgG8@public.gmane.org>
2018-05-25  2:39                       ` Xu Zaibo
2018-05-25  9:47                         ` Jean-Philippe Brucker
     [not found]                           ` <fea420ff-e738-e2ed-ab1e-a3f4dde4b6ef-5wv7dgnIgG8@public.gmane.org>
2018-05-26  3:53                             ` Xu Zaibo
     [not found]                               ` <5B08DA21.3070507-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2018-05-29 11:55                                 ` Jean-Philippe Brucker
     [not found]                                   ` <99ff4f89-86ef-a251-894c-8aa8a47d2a69-5wv7dgnIgG8@public.gmane.org>
2018-05-29 12:24                                     ` Xu Zaibo
2018-08-27  8:06       ` Xu Zaibo
     [not found]         ` <5B83B11E.7010807-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2018-08-31 13:34           ` Jean-Philippe Brucker
     [not found]             ` <1d5b6529-4e5a-723c-3f1b-dd5a9adb490c-5wv7dgnIgG8@public.gmane.org>
2018-09-01  2:23               ` Xu Zaibo
     [not found]                 ` <5B89F818.7060300-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2018-09-03 10:34                   ` Jean-Philippe Brucker
     [not found]                     ` <3a961aff-e830-64bb-b6a9-14e08de1abf5-5wv7dgnIgG8@public.gmane.org>
2018-09-04  2:12                       ` Xu Zaibo
     [not found]                         ` <5B8DEA15.7020404-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2018-09-04 10:57                           ` Jean-Philippe Brucker
     [not found]                             ` <bc27f902-4d12-21b7-b9e9-18bcae170503-5wv7dgnIgG8@public.gmane.org>
2018-09-05  3:15                               ` Xu Zaibo
     [not found]                                 ` <5B8F4A59.20004-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2018-09-05 11:02                                   ` Jean-Philippe Brucker
     [not found]                                     ` <b51107b8-a525-13ce-f4c3-d423b8502c27-5wv7dgnIgG8@public.gmane.org>
2018-09-06  7:26                                       ` Xu Zaibo
2018-05-11 19:06   ` [PATCH v2 14/40] dt-bindings: document stall and PASID properties for IOMMU masters Jean-Philippe Brucker
2018-05-11 19:06   ` [PATCH v2 15/40] iommu/of: Add stall and pasid properties to iommu_fwspec Jean-Philippe Brucker
2018-05-11 19:06   ` [PATCH v2 16/40] arm64: mm: Pin down ASIDs for sharing mm with devices Jean-Philippe Brucker
     [not found]     ` <20180511190641.23008-17-jean-philippe.brucker-5wv7dgnIgG8@public.gmane.org>
2018-05-15 14:16       ` Catalin Marinas
     [not found]         ` <20180515141658.vivrgcyww2pxumye-+1aNUgJU5qkijLcmloz0ER/iLCjYCKR+VpNB7YpNyf8@public.gmane.org>
2018-05-17 10:01           ` Jean-Philippe Brucker
2018-05-11 19:06   ` [PATCH v2 17/40] iommu/arm-smmu-v3: Link domains and devices Jean-Philippe Brucker
     [not found]     ` <20180511190641.23008-18-jean-philippe.brucker-5wv7dgnIgG8@public.gmane.org>
2018-05-17 16:07       ` Jonathan Cameron
     [not found]         ` <20180517170748.00004927-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2018-05-21 14:49           ` Jean-Philippe Brucker
2018-09-10 15:16       ` Auger Eric
2018-05-11 19:06   ` [PATCH v2 18/40] iommu/io-pgtable-arm: Factor out ARM LPAE register defines Jean-Philippe Brucker
2018-05-11 19:06   ` [PATCH v2 19/40] iommu: Add generic PASID table library Jean-Philippe Brucker
2018-05-11 19:06   ` [PATCH v2 20/40] iommu/arm-smmu-v3: Move context descriptor code Jean-Philippe Brucker
2018-05-11 19:06   ` [PATCH v2 21/40] iommu/arm-smmu-v3: Add support for Substream IDs Jean-Philippe Brucker
     [not found]     ` <20180511190641.23008-22-jean-philippe.brucker-5wv7dgnIgG8@public.gmane.org>
2018-05-31 11:01       ` Bharat Kumar Gogada
     [not found]         ` <BLUPR0201MB1505AA55707BE2E13392FFAFA5630-hRBPhS1iNj/g9tdZWAsUFxrHTHEw16jenBOFsp37pqbUKgpGm//BTAC/G2K4zDHf@public.gmane.org>
2018-06-01 10:46           ` Jean-Philippe Brucker
2018-05-11 19:06   ` [PATCH v2 22/40] iommu/arm-smmu-v3: Add second level of context descriptor table Jean-Philippe Brucker
2018-05-11 19:06   ` [PATCH v2 23/40] iommu/arm-smmu-v3: Share process page tables Jean-Philippe Brucker
2018-05-11 19:06   ` [PATCH v2 24/40] iommu/arm-smmu-v3: Seize private ASID Jean-Philippe Brucker
2018-05-11 19:06   ` [PATCH v2 25/40] iommu/arm-smmu-v3: Add support for VHE Jean-Philippe Brucker
2018-05-11 19:06   ` [PATCH v2 26/40] iommu/arm-smmu-v3: Enable broadcast TLB maintenance Jean-Philippe Brucker
2018-05-11 19:06   ` [PATCH v2 27/40] iommu/arm-smmu-v3: Add SVA feature checking Jean-Philippe Brucker
2018-05-11 19:06   ` [PATCH v2 28/40] iommu/arm-smmu-v3: Implement mm operations Jean-Philippe Brucker
2018-05-11 19:06   ` [PATCH v2 29/40] iommu/arm-smmu-v3: Add support for Hardware Translation Table Update Jean-Philippe Brucker
2018-05-11 19:06   ` [PATCH v2 30/40] iommu/arm-smmu-v3: Register I/O Page Fault queue Jean-Philippe Brucker
2018-05-11 19:06   ` [PATCH v2 31/40] iommu/arm-smmu-v3: Improve add_device error handling Jean-Philippe Brucker
2018-05-11 19:06   ` [PATCH v2 32/40] iommu/arm-smmu-v3: Maintain a SID->device structure Jean-Philippe Brucker
2018-05-11 19:06   ` [PATCH v2 33/40] iommu/arm-smmu-v3: Add stall support for platform devices Jean-Philippe Brucker
2018-05-11 19:06   ` [PATCH v2 34/40] ACPI/IORT: Check ATS capability in root complex nodes Jean-Philippe Brucker
2018-05-11 19:06   ` [PATCH v2 35/40] iommu/arm-smmu-v3: Add support for PCI ATS Jean-Philippe Brucker
     [not found]     ` <20180511190641.23008-36-jean-philippe.brucker-5wv7dgnIgG8@public.gmane.org>
2018-05-19 17:25       ` Sinan Kaya
     [not found]         ` <922474e8-0aa5-e022-0502-f1e51b0d4859-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2018-05-21 14:52           ` Jean-Philippe Brucker
2018-05-11 19:06   ` [PATCH v2 36/40] iommu/arm-smmu-v3: Hook up ATC invalidation to mm ops Jean-Philippe Brucker
2018-05-11 19:06   ` [PATCH v2 37/40] iommu/arm-smmu-v3: Disable tagged pointers Jean-Philippe Brucker
2018-05-11 19:06   ` [PATCH v2 38/40] PCI: Make "PRG Response PASID Required" handling common Jean-Philippe Brucker
2018-05-11 19:06   ` [PATCH v2 39/40] iommu/arm-smmu-v3: Add support for PRI Jean-Philippe Brucker
     [not found]     ` <20180511190641.23008-40-jean-philippe.brucker-5wv7dgnIgG8@public.gmane.org>
2018-05-25 14:08       ` Bharat Kumar Gogada
     [not found]         ` <BLUPR0201MB150513BBAA161355DE9B3A48A5690-hRBPhS1iNj/g9tdZWAsUFxrHTHEw16jenBOFsp37pqbUKgpGm//BTAC/G2K4zDHf@public.gmane.org>
2018-05-29 10:27           ` Jean-Philippe Brucker
2018-05-11 19:06   ` [PATCH v2 40/40] iommu/arm-smmu-v3: Add support for PCI PASID Jean-Philippe Brucker

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