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17 years agoAMD IOMMU: add stats counter for alloc_coherent requests
Joerg Roedel [Fri, 12 Dec 2008 14:14:21 +0000 (15:14 +0100)]
AMD IOMMU: add stats counter for alloc_coherent requests

Impact: see number of alloc_coherent requests in debugfs

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoAMD IOMMU: add stats counter for unmap_sg requests
Joerg Roedel [Fri, 12 Dec 2008 14:12:14 +0000 (15:12 +0100)]
AMD IOMMU: add stats counter for unmap_sg requests

Impact: see number of unmap_sg requests in debugfs

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoAMD IOMMU: add stats counter for map_sg requests
Joerg Roedel [Fri, 12 Dec 2008 14:09:48 +0000 (15:09 +0100)]
AMD IOMMU: add stats counter for map_sg requests

Impact: see number of map_sg requests in debugfs

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoAMD IOMMU: add stats counter for unmap_single requests
Joerg Roedel [Fri, 12 Dec 2008 14:07:12 +0000 (15:07 +0100)]
AMD IOMMU: add stats counter for unmap_single requests

Impact: see number of unmap_single requests in debugfs

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoAMD IOMMU: add stats counter for map_single requests
Joerg Roedel [Fri, 12 Dec 2008 14:05:16 +0000 (15:05 +0100)]
AMD IOMMU: add stats counter for map_single requests

Impact: see number of map_single requests in debugfs

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoAMD IOMMU: add stats counter for completion wait events
Joerg Roedel [Fri, 12 Dec 2008 13:59:58 +0000 (14:59 +0100)]
AMD IOMMU: add stats counter for completion wait events

Impact: see number of completion wait events in debugfs

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoAMD IOMMU: add init code for statistic collection
Joerg Roedel [Fri, 12 Dec 2008 12:50:21 +0000 (13:50 +0100)]
AMD IOMMU: add init code for statistic collection

Impact: create a new debugfs directory

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoAMD IOMMU: add necessary header defines for stats counting
Joerg Roedel [Fri, 12 Dec 2008 11:33:06 +0000 (12:33 +0100)]
AMD IOMMU: add necessary header defines for stats counting

Impact: add defines to make iommu stats collection configurable

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoAMD IOMMU: add Kconfig entry for statistic collection code
Joerg Roedel [Thu, 11 Dec 2008 18:00:12 +0000 (19:00 +0100)]
AMD IOMMU: add Kconfig entry for statistic collection code

Impact: adds new Kconfig entry

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoAMD IOMMU: use dev_name in iommu_enable function
Joerg Roedel [Wed, 10 Dec 2008 19:04:18 +0000 (20:04 +0100)]
AMD IOMMU: use dev_name in iommu_enable function

Impact: cleanup

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoAMD IOMMU: use calc_devid in prealloc_protection_domains
Joerg Roedel [Wed, 10 Dec 2008 19:01:45 +0000 (20:01 +0100)]
AMD IOMMU: use calc_devid in prealloc_protection_domains

Impact: cleanup

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoAMD IOMMU: convert amd_iommu_isolate to bool
Joerg Roedel [Fri, 12 Dec 2008 12:53:54 +0000 (13:53 +0100)]
AMD IOMMU: convert amd_iommu_isolate to bool

Impact: cleanup

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoAMD IOMMU: convert iommu->need_sync to bool
Joerg Roedel [Wed, 10 Dec 2008 18:58:00 +0000 (19:58 +0100)]
AMD IOMMU: convert iommu->need_sync to bool

Impact: use bool instead of int for iommu->need_sync

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoAMD IOMMU: use dev_name instead of self-build print_devid
Joerg Roedel [Wed, 10 Dec 2008 18:43:07 +0000 (19:43 +0100)]
AMD IOMMU: use dev_name instead of self-build print_devid

Impact: use generic dev_name instead of own function

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoAMD IOMMU: allocate a new protection for hotplugged devices
Joerg Roedel [Wed, 10 Dec 2008 18:33:26 +0000 (19:33 +0100)]
AMD IOMMU: allocate a new protection for hotplugged devices

Impact: also hotplug devices benefit from device isolation

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoAMD IOMMU: add a domain flag for default domains
Joerg Roedel [Wed, 10 Dec 2008 17:48:59 +0000 (18:48 +0100)]
AMD IOMMU: add a domain flag for default domains

Impact: adds a new protection domain flag

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoAMD IOMMU: register functions for the IOMMU API
Joerg Roedel [Wed, 3 Dec 2008 16:00:17 +0000 (17:00 +0100)]
AMD IOMMU: register functions for the IOMMU API

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoAMD IOMMU: add domain address lookup function for IOMMU API
Joerg Roedel [Tue, 2 Dec 2008 19:05:50 +0000 (20:05 +0100)]
AMD IOMMU: add domain address lookup function for IOMMU API

Impact: add a generic function to lockup addresses in protection domains

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoAMD IOMMU: add domain unmap function for IOMMU API
Joerg Roedel [Tue, 2 Dec 2008 18:59:10 +0000 (19:59 +0100)]
AMD IOMMU: add domain unmap function for IOMMU API

Impact: add a generic function to unmap pages into protection domains

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoAMD IOMMU: add domain map function for IOMMU API
Joerg Roedel [Tue, 2 Dec 2008 18:48:43 +0000 (19:48 +0100)]
AMD IOMMU: add domain map function for IOMMU API

Impact: add a generic function to map pages into protection domains

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoAMD IOMMU: add device attach function for IOMMU API
Joerg Roedel [Tue, 2 Dec 2008 18:34:11 +0000 (19:34 +0100)]
AMD IOMMU: add device attach function for IOMMU API

Impact: add a generic function to attach devices to protection domains

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoAMD IOMMU: add device detach function for IOMMU API
Joerg Roedel [Mon, 8 Dec 2008 11:07:44 +0000 (12:07 +0100)]
AMD IOMMU: add device detach function for IOMMU API

Impact: add a generic function to detach devices from protection domains

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoAMD IOMMU: add domain destroy function for IOMMU API
Joerg Roedel [Tue, 2 Dec 2008 17:34:12 +0000 (18:34 +0100)]
AMD IOMMU: add domain destroy function for IOMMU API

Impact: add a generic function for releasing protection domains

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoAMD IOMMU: add domain init function for IOMMU API
Joerg Roedel [Tue, 2 Dec 2008 17:13:27 +0000 (18:13 +0100)]
AMD IOMMU: add domain init function for IOMMU API

Impact: add a generic function for allocation protection domains

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoAMD IOMMU: add domain cleanup helper function
Joerg Roedel [Mon, 8 Dec 2008 11:05:55 +0000 (12:05 +0100)]
AMD IOMMU: add domain cleanup helper function

Impact: add a function to remove all devices from a domain

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoAMD IOMMU: add device notifier callback
Joerg Roedel [Wed, 10 Dec 2008 17:27:25 +0000 (18:27 +0100)]
AMD IOMMU: add device notifier callback

Impact: inform IOMMU about state change of a device in the driver core

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoAMD IOMMU: add device detach helper functions
Joerg Roedel [Mon, 8 Dec 2008 11:02:41 +0000 (12:02 +0100)]
AMD IOMMU: add device detach helper functions

Impact: add helper functions to detach a device from a domain

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoAMD IOMMU: rename set_device_domain function
Joerg Roedel [Wed, 10 Dec 2008 13:39:51 +0000 (14:39 +0100)]
AMD IOMMU: rename set_device_domain function

Impact: rename set_device_domain() to attach_device()

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoAMD IOMMU: add device reference counting for protection domains
Joerg Roedel [Tue, 2 Dec 2008 16:56:36 +0000 (17:56 +0100)]
AMD IOMMU: add device reference counting for protection domains

Impact: know how many devices are assigned to a domain

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoAMD IOMMU: add checks for dma_ops domain to dma_ops functions
Joerg Roedel [Tue, 2 Dec 2008 16:49:42 +0000 (17:49 +0100)]
AMD IOMMU: add checks for dma_ops domain to dma_ops functions

Impact: detect when a driver uses a device assigned otherwise

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoAMD IOMMU: add protection domain flags
Joerg Roedel [Tue, 2 Dec 2008 16:46:25 +0000 (17:46 +0100)]
AMD IOMMU: add protection domain flags

Imapct: add a new struct member to 'struct protection_domain'

When using protection domains for dma_ops and KVM its better to know for
which subsystem it was allocated. Add a flags member to struct
protection domain for that purpose.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoAMD IOMMU: add iommu_flush_domain function
Joerg Roedel [Tue, 2 Dec 2008 20:01:12 +0000 (21:01 +0100)]
AMD IOMMU: add iommu_flush_domain function

Impact: add a function to flush a domain id on every IOMMU

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoAMD IOMMU: don't remove protection domain from iommu_pd_list
Joerg Roedel [Wed, 10 Dec 2008 19:05:52 +0000 (20:05 +0100)]
AMD IOMMU: don't remove protection domain from iommu_pd_list

Impact: save unneeded logic to add and remove domains to the list

The removal of a protection domain from the iommu_pd_list is not
necessary. Another benefit is that we save complexity because we don't
have to readd it later when the device no longer uses the domain.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoAMD IOMMU: move invalidation command building to a separate function
Joerg Roedel [Tue, 2 Dec 2008 19:54:37 +0000 (20:54 +0100)]
AMD IOMMU: move invalidation command building to a separate function

Impact: refactoring of iommu_queue_inv_iommu_pages

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoAMD IOMMU: refactor completion wait handling into separate functions
Joerg Roedel [Tue, 2 Dec 2008 19:34:41 +0000 (20:34 +0100)]
AMD IOMMU: refactor completion wait handling into separate functions

Impact: split one function into three

The separate functions are required synchronize commands across all
hardware IOMMUs in the system.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoAMD IOMMU: add domain id free function
Joerg Roedel [Tue, 2 Dec 2008 17:28:53 +0000 (18:28 +0100)]
AMD IOMMU: add domain id free function

Impact: add code to release a domain id

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoAMD IOMMU: make dma_ops_free_pagetable generic
Joerg Roedel [Tue, 2 Dec 2008 17:20:21 +0000 (18:20 +0100)]
AMD IOMMU: make dma_ops_free_pagetable generic

Impact: change code to free pagetables from protection domains

The dma_ops_free_pagetable function can only free pagetables from
dma_ops domains. Change that to free pagetables of pure protection
domains.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoAMD IOMMU: rename iommu_map to iommu_map_page
Joerg Roedel [Tue, 2 Dec 2008 16:27:52 +0000 (17:27 +0100)]
AMD IOMMU: rename iommu_map to iommu_map_page

Impact: function rename

The iommu_map function maps only one page. Make this clear in the
function name.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agointel-iommu: fix bit shift at DOMAIN_FLAG_P2P_MULTIPLE_DEVICES
Mike Day [Fri, 12 Dec 2008 16:16:30 +0000 (17:16 +0100)]
intel-iommu: fix bit shift at DOMAIN_FLAG_P2P_MULTIPLE_DEVICES

Signed-off-by: Mike Day <ncmike@ncultra.org>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoVT-d: remove now unused intel_iommu_found function
Joerg Roedel [Wed, 3 Dec 2008 14:26:42 +0000 (15:26 +0100)]
VT-d: remove now unused intel_iommu_found function

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoVT-d: register functions for the IOMMU API
Joerg Roedel [Wed, 3 Dec 2008 14:14:02 +0000 (15:14 +0100)]
VT-d: register functions for the IOMMU API

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoVT-d: adapt domain iova_to_phys function for IOMMU API
Joerg Roedel [Wed, 3 Dec 2008 14:06:57 +0000 (15:06 +0100)]
VT-d: adapt domain iova_to_phys function for IOMMU API

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoVT-d: adapt domain map and unmap functions for IOMMU API
Joerg Roedel [Wed, 3 Dec 2008 14:04:09 +0000 (15:04 +0100)]
VT-d: adapt domain map and unmap functions for IOMMU API

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoVT-d: adapt device attach and detach functions for IOMMU API
Joerg Roedel [Wed, 3 Dec 2008 13:58:24 +0000 (14:58 +0100)]
VT-d: adapt device attach and detach functions for IOMMU API

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoVT-d: adapt domain init and destroy functions for IOMMU API
Joerg Roedel [Wed, 3 Dec 2008 13:52:32 +0000 (14:52 +0100)]
VT-d: adapt domain init and destroy functions for IOMMU API

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoKVM: change KVM to use IOMMU API
Joerg Roedel [Wed, 3 Dec 2008 13:43:34 +0000 (14:43 +0100)]
KVM: change KVM to use IOMMU API

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoselect IOMMU_API when DMAR and/or AMD_IOMMU is selected
Joerg Roedel [Wed, 26 Nov 2008 16:25:13 +0000 (17:25 +0100)]
select IOMMU_API when DMAR and/or AMD_IOMMU is selected

These two IOMMUs can implement the current version of this API. So
select the API if one or both of these IOMMU drivers is selected.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoadd frontend implementation for the IOMMU API
Joerg Roedel [Wed, 26 Nov 2008 16:21:24 +0000 (17:21 +0100)]
add frontend implementation for the IOMMU API

This API can be used by KVM for accessing different types of IOMMUs to
do device passthrough to guests. Beside that this API can also be used
by device drivers to map non-linear host memory into dma-linear
addresses to prevent sgather-gather DMA. UIO may be another user for
this API.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
17 years agointrocude linux/iommu.h for an iommu api
Joerg Roedel [Wed, 26 Nov 2008 16:02:33 +0000 (17:02 +0100)]
introcude linux/iommu.h for an iommu api

This patch introduces the API to abstract the exported VT-d functions
for KVM into a generic API. This way the AMD IOMMU implementation can
plug into this API later.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoKVM: rename vtd.c to iommu.c
Joerg Roedel [Wed, 26 Nov 2008 14:51:19 +0000 (15:51 +0100)]
KVM: rename vtd.c to iommu.c

Impact: file renamed

The code in the vtd.c file can be reused for other IOMMUs as well. So
rename it to make it clear that it handle more than VT-d.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoDeassign device in kvm_free_assgined_device
Weidong Han [Mon, 8 Dec 2008 15:29:53 +0000 (23:29 +0800)]
Deassign device in kvm_free_assgined_device

In kvm_iommu_unmap_memslots(), assigned_dev_head is already empty.

Signed-off-by: Weidong Han <weidong.han@intel.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoKVM: support device deassignment
Weidong Han [Tue, 2 Dec 2008 13:24:23 +0000 (21:24 +0800)]
KVM: support device deassignment

Support device deassignment, it can be used in device hotplug.

Signed-off-by: Weidong Han <weidong.han@intel.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoKVM: use the new intel iommu APIs
Weidong Han [Tue, 2 Dec 2008 13:03:39 +0000 (21:03 +0800)]
KVM: use the new intel iommu APIs

intel iommu APIs are updated, use the new APIs.

In addition, change kvm_iommu_map_guest() to just create the domain, let kvm_iommu_assign_device() assign device.

Signed-off-by: Weidong Han <weidong.han@intel.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoCheck agaw is sufficient for mapped memory
Weidong Han [Mon, 8 Dec 2008 15:10:23 +0000 (23:10 +0800)]
Check agaw is sufficient for mapped memory

When domain is related to multiple iommus, need to check if the minimum agaw is sufficient for the mapped memory

Signed-off-by: Weidong Han <weidong.han@intel.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoChange intel iommu APIs of virtual machine domain
Weidong Han [Mon, 8 Dec 2008 15:09:29 +0000 (23:09 +0800)]
Change intel iommu APIs of virtual machine domain

These APIs are used by KVM to use VT-d

Signed-off-by: Weidong Han <weidong.han@intel.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoChange domain_context_mapping_one for virtual machine domain
Weidong Han [Mon, 8 Dec 2008 15:08:15 +0000 (23:08 +0800)]
Change domain_context_mapping_one for virtual machine domain

vm_domid won't be set in context, find available domain id for a device from its iommu.

For a virtual machine domain, a default agaw will be set, and skip top levels of page tables for iommu which has less agaw than default.

Signed-off-by: Weidong Han <weidong.han@intel.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoAllocation and free functions of virtual machine domain
Weidong Han [Mon, 8 Dec 2008 15:03:27 +0000 (23:03 +0800)]
Allocation and free functions of virtual machine domain

virtual machine domain is different from native DMA-API domain, implement separate allocation and free functions for virtual machine domain.

Signed-off-by: Weidong Han <weidong.han@intel.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoAdd domain_flush_cache
Weidong Han [Mon, 8 Dec 2008 15:00:00 +0000 (23:00 +0800)]
Add domain_flush_cache

Because virtual machine domain may have multiple devices from different iommus, it cannot use __iommu_flush_cache.

In some common low level functions, use domain_flush_cache instead of __iommu_flush_cache. On the other hand, in some functions, iommu can is specified or domain cannot be got, still use __iommu_flush_cache

Signed-off-by: Weidong Han <weidong.han@intel.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoAdd/remove domain device info for virtual machine domain
Weidong Han [Mon, 8 Dec 2008 14:51:37 +0000 (22:51 +0800)]
Add/remove domain device info for virtual machine domain

Add iommu reference count in domain, and add a lock to protect iommu setting including iommu_bmp, iommu_count and iommu_coherency.

virtual machine domain may have multiple devices from different iommus, so it needs to do more things when add/remove domain device info. Thus implement separate these functions for virtual machine domain.

Signed-off-by: Weidong Han <weidong.han@intel.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoAdd domain flag DOMAIN_FLAG_VIRTUAL_MACHINE
Weidong Han [Mon, 8 Dec 2008 08:35:39 +0000 (16:35 +0800)]
Add domain flag DOMAIN_FLAG_VIRTUAL_MACHINE

Add this flag for VT-d used in virtual machine, like KVM.

Signed-off-by: Weidong Han <weidong.han@intel.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoiommu coherency
Weidong Han [Mon, 8 Dec 2008 07:49:06 +0000 (15:49 +0800)]
iommu coherency

In dmar_domain, more than one iommus may be included in iommu_bmp. Due to "Coherency" capability may be different across iommus, set this variable to indicate iommu access is coherent or not. Only when all related iommus in a dmar_domain are all coherent, iommu access of this domain is coherent.

Signed-off-by: Weidong Han <weidong.han@intel.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agocalculate agaw for each iommu
Weidong Han [Mon, 8 Dec 2008 07:34:06 +0000 (15:34 +0800)]
calculate agaw for each iommu

"SAGAW" capability may be different across iommus. Use a default agaw, but if default agaw is not supported in some iommus, choose a less supported agaw.

Signed-off-by: Weidong Han <weidong.han@intel.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoiommu bitmap instead of iommu pointer in dmar_domain
Weidong Han [Mon, 8 Dec 2008 07:29:22 +0000 (15:29 +0800)]
iommu bitmap instead of iommu pointer in dmar_domain

In order to support assigning multiple devices from different iommus to a domain, iommu bitmap is used to keep all iommus the domain are related to.

Signed-off-by: Weidong Han <weidong.han@intel.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoGet iommu from g_iommus for deferred flush
Weidong Han [Mon, 8 Dec 2008 03:24:12 +0000 (11:24 +0800)]
Get iommu from g_iommus for deferred flush

deferred_flush[] uses the iommu seq_id to index, so its iommu is fixed and can get it from g_iommus.

Signed-off-by: Weidong Han <weidong.han@intel.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoAdd global iommu list
Weidong Han [Mon, 8 Dec 2008 03:06:32 +0000 (11:06 +0800)]
Add global iommu list

Signed-off-by: Weidong Han <weidong.han@intel.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agochange P2P domain flags
Weidong Han [Mon, 8 Dec 2008 01:17:15 +0000 (09:17 +0800)]
change P2P domain flags

Signed-off-by: Weidong Han <weidong.han@intel.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoInitialize domain flags to 0
Weidong Han [Sun, 7 Dec 2008 13:13:41 +0000 (21:13 +0800)]
Initialize domain flags to 0

It's random number after the domain is allocated by kmem_cache_alloc

Signed-off-by: Weidong Han <weidong.han@intel.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agoV4L/DVB (10173): Missing v4l2_prio_close in radio_release
Udo Steinberg [Fri, 2 Jan 2009 20:34:28 +0000 (17:34 -0300)]
V4L/DVB (10173): Missing v4l2_prio_close in radio_release

The radio_release function of the BTTV driver is missing a call to
v4l2_prio_close. As a result, after the radio device has been opened at
least once (e.g., by HAL during bootup), v4l2_priority will never drop below
V4L2_PRIORITY_INTERACTIVE again. With the following patch against 2.6.28,
applications that run with V4L2_PRIORITY_BACKGROUND are able to open devices
again. Previous Linux versions are affected as well.

Signed-off-by: Udo Steinberg <udo@hypervisor.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
17 years agoV4L/DVB (10172): add DVB_DEVICE_TYPE= to uevent
Kay Sievers [Thu, 1 Jan 2009 02:35:24 +0000 (23:35 -0300)]
V4L/DVB (10172): add DVB_DEVICE_TYPE= to uevent

Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
17 years agoV4L/DVB (10171): Use usb_set_intfdata
Julia Lawall [Thu, 1 Jan 2009 20:14:58 +0000 (17:14 -0300)]
V4L/DVB (10171): Use usb_set_intfdata

This code had calls to both usb_set_intfdata and dev_set_drvdata, doing the
same thing.

The semantic patch that lead to finding this problem is as follows:
(http://www.emn.fr/x-info/coccinelle/)

// <smpl>
@header@
@@

@same depends on header@
position p;
@@

usb_set_intfdata@p(...) { ... }

@depends on header@
position _p!=same.p;
identifier _f;
struct usb_interface *intf;
expression data;
@@

_f@_p(...) { <+...
- dev_set_drvdata(&intf->dev, data);
+ usb_set_intfdata(intf, data);
...+> }

// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
17 years agoVT-d: fix segment number being ignored when searching DRHD
Yu Zhao [Mon, 22 Dec 2008 08:54:58 +0000 (16:54 +0800)]
VT-d: fix segment number being ignored when searching DRHD

On platforms with multiple PCI segments, any of the segments can have a DRHD
with INCLUDE_PCI_ALL flag. So need to check the DRHD's segment number against
the PCI device's when searching its DRHD.

Signed-off-by: Yu Zhao <yu.zhao@intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
17 years agointel-iommu: trivially inline DMA PTE macros
Mark McLoughlin [Fri, 21 Nov 2008 16:56:53 +0000 (16:56 +0000)]
intel-iommu: trivially inline DMA PTE macros

Signed-off-by: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
17 years agointel-iommu: trivially inline context entry macros
Mark McLoughlin [Fri, 21 Nov 2008 16:54:46 +0000 (16:54 +0000)]
intel-iommu: trivially inline context entry macros

Some macros were unused, so I just dropped them:

  context_fault_disable
  context_translation_type
  context_address_root
  context_address_width
  context_domain_id

Signed-off-by: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
17 years agointel-iommu: move iommu_prepare_gfx_mapping() out of dma_remapping.h
Mark McLoughlin [Thu, 20 Nov 2008 15:49:50 +0000 (15:49 +0000)]
intel-iommu: move iommu_prepare_gfx_mapping() out of dma_remapping.h

Signed-off-by: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
17 years agointel-iommu: kill off duplicate def of dmar_disabled
Mark McLoughlin [Thu, 20 Nov 2008 15:49:49 +0000 (15:49 +0000)]
intel-iommu: kill off duplicate def of dmar_disabled

This is only used in dmar.c and intel-iommu.h, so dma_remapping.h
seems like the appropriate place for it.

Signed-off-by: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
17 years agointel-iommu: move struct device_domain_info out of dma_remapping.h
Mark McLoughlin [Thu, 20 Nov 2008 15:49:48 +0000 (15:49 +0000)]
intel-iommu: move struct device_domain_info out of dma_remapping.h

Signed-off-by: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
17 years agointel-iommu: move struct dmar_domain def out dma_remapping.h
Mark McLoughlin [Thu, 20 Nov 2008 15:49:47 +0000 (15:49 +0000)]
intel-iommu: move struct dmar_domain def out dma_remapping.h

Signed-off-by: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
17 years agointel-iommu: move DMA PTE defs out of dma_remapping.h
Mark McLoughlin [Thu, 20 Nov 2008 15:49:46 +0000 (15:49 +0000)]
intel-iommu: move DMA PTE defs out of dma_remapping.h

DMA_PTE_READ/WRITE are needed by kvm.

Signed-off-by: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
17 years agointel-iommu: move context entry defs out from dma_remapping.h
Mark McLoughlin [Thu, 20 Nov 2008 15:49:45 +0000 (15:49 +0000)]
intel-iommu: move context entry defs out from dma_remapping.h

Signed-off-by: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
17 years agointel-iommu: move root entry defs from dma_remapping.h
Mark McLoughlin [Thu, 20 Nov 2008 15:49:44 +0000 (15:49 +0000)]
intel-iommu: move root entry defs from dma_remapping.h

We keep the struct root_entry forward declaration for the
pointer in struct intel_iommu.

Signed-off-by: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
17 years agointel-iommu: move DMA_32/64BIT_PFN into intel-iommu.c
Mark McLoughlin [Thu, 20 Nov 2008 15:49:43 +0000 (15:49 +0000)]
intel-iommu: move DMA_32/64BIT_PFN into intel-iommu.c

Signed-off-by: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
17 years agointel-iommu: make init_dmars() static
Mark McLoughlin [Thu, 20 Nov 2008 14:21:13 +0000 (14:21 +0000)]
intel-iommu: make init_dmars() static

init_dmars() is not used outside of drivers/pci/intel-iommu.c

Signed-off-by: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
17 years agointel-iommu: remove some unused struct intel_iommu fields
Mark McLoughlin [Thu, 20 Nov 2008 14:04:20 +0000 (14:04 +0000)]
intel-iommu: remove some unused struct intel_iommu fields

The seg, saved_msg and sysdev fields appear to be unused since
before the code was first merged.

linux/msi.h is not needed in linux/intel-iommu.h anymore since
there is no longer a reference to struct msi_msg. The MSI code
in drivers/pci/intel-iommu.c still has linux/msi.h included
via linux/dmar.h.

linux/sysdev.h isn't needed because there is no reference to
struct sys_device.

Signed-off-by: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
17 years agoALSA: hda - cxt5051 report jack state
Ulrich Dangel [Fri, 2 Jan 2009 18:30:14 +0000 (19:30 +0100)]
ALSA: hda - cxt5051 report jack state

Signed-off-by: Ulrich Dangel <uli@spamt.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
17 years agoALSA: hda - add basic jack reporting functions to patch_conexant.c
Ulrich Dangel [Fri, 2 Jan 2009 18:30:13 +0000 (19:30 +0100)]
ALSA: hda - add basic jack reporting functions to patch_conexant.c

Added functions to report jack sense.
As CXT5051_PORTB_EVENT has the same value as CONEXANT_MIC_EVENT two input
devices for the microphone will be created if using CXT5051.

Signed-off-by: Ulrich Dangel <uli@spamt.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
17 years agosparc: Update 64-bit defconfig.
David S. Miller [Sat, 3 Jan 2009 05:54:25 +0000 (21:54 -0800)]
sparc: Update 64-bit defconfig.

Signed-off-by: David S. Miller <davem@davemloft.net>
17 years agoxtensa: define __fls
Rusty Russell [Sat, 3 Jan 2009 05:51:08 +0000 (16:21 +1030)]
xtensa: define __fls

Like fls, but can't be handed 0 and returns the bit number.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
17 years agomn10300: define __fls
Rusty Russell [Sat, 3 Jan 2009 05:49:03 +0000 (16:19 +1030)]
mn10300: define __fls

Like fls, but can't be handed 0 and returns the bit number.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
17 years agom32r: define __fls
Rusty Russell [Sat, 3 Jan 2009 05:46:54 +0000 (16:16 +1030)]
m32r: define __fls

Like fls, but can't be handed 0 and returns the bit number.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
17 years agoh8300: define __fls
Rusty Russell [Sat, 3 Jan 2009 05:46:04 +0000 (16:16 +1030)]
h8300: define __fls

Like fls, but can't be handed 0 and returns the bit number.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
17 years agofrv: define __fls
Rusty Russell [Sat, 3 Jan 2009 05:44:05 +0000 (16:14 +1030)]
frv: define __fls

Like fls, but can't be handed 0 and returns the bit number.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
17 years agosparc: remove NO_PROC_ID - it is no longer used
Sam Ravnborg [Sat, 3 Jan 2009 05:33:54 +0000 (21:33 -0800)]
sparc: remove NO_PROC_ID - it is no longer used

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
17 years agosparc: drop get_tbr() in traps.h
Sam Ravnborg [Sat, 3 Jan 2009 05:33:05 +0000 (21:33 -0800)]
sparc: drop get_tbr() in traps.h

get_tbr() has no users in the whole tree -drop it.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
17 years agosparc: fix warning in userspace header traps.h
Sam Ravnborg [Sat, 3 Jan 2009 05:32:34 +0000 (21:32 -0800)]
sparc: fix warning in userspace header traps.h

Fix following warning:
traps.h:23: extern's make no sense in userspace

Add an ifdef __KERNEL__ block that cover the
extern definition and a few related things that neither
is for userspace.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
17 years agosparc: fix warnings in userspace header byteorder.h
Sam Ravnborg [Sat, 3 Jan 2009 05:31:58 +0000 (21:31 -0800)]
sparc: fix warnings in userspace header byteorder.h

Fix following warnings in byteorder.h:

byteorder.h:4: include of <linux/types.h> is preferred over <asm/types.h>
byteorder.h:9: leaks CONFIG_SPARC32 to userspace where it is not valid
byteorder.h:13: leaks CONFIG_SPARC64 to userspace where it is not valid
byteorder.h:14: found __[us]{8,16,32,64} type without #include <linux/types.h>
byteorder.h:47: leaks CONFIG_SPARC64 to userspace where it is not valid

- changed to use include <linux/types.h> as suggested
- use preprocessor defined symbols to distingush between 32 and 64 bit

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
17 years agosparc: fix warning in userspace header jsflash.h
Sam Ravnborg [Sat, 3 Jan 2009 05:31:13 +0000 (21:31 -0800)]
sparc: fix warning in userspace header jsflash.h

Fix following warnings in jsflash.h:

jsflash.h:11: include of <linux/types.h> is preferred over <asm/types.h>
jsflash.h:24: found __[us]{8,16,32,64} type without #include <linux/types.h>

Fixed by changing the include to <linux/types.h>

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
17 years agosparc: unify openprom.h
Sam Ravnborg [Sat, 3 Jan 2009 05:15:25 +0000 (21:15 -0800)]
sparc: unify openprom.h

After the preparational steps the unification was simple.

The linux_prom_pci_registers definition did not look like
it could be unified at first look since the structure is assigned
using prop_getproperty() / of_get_property() so the structure
is assumed to come direct form the prom.

The LINUX_OPPROM_MAGIC was kept even if it is not used by the kernel
on the assumption that userspace may require it.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
17 years agosparc64: delete unused linux_prom64_ranges from openprom_64.h
Sam Ravnborg [Sat, 3 Jan 2009 05:14:35 +0000 (21:14 -0800)]
sparc64: delete unused linux_prom64_ranges from openprom_64.h

It was not used over the whole tree - so drop it.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
17 years agosparc: prepare openprom for unification
Sam Ravnborg [Sat, 3 Jan 2009 05:13:52 +0000 (21:13 -0800)]
sparc: prepare openprom for unification

Align the sparc and sparc64 versions so differences are minimal.
A few data types are changed to better reflect there actual usage.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
17 years agosparc: remove linux_prom_pci_assigned_addresses from openprom_32.h
Sam Ravnborg [Sat, 3 Jan 2009 05:12:40 +0000 (21:12 -0800)]
sparc: remove linux_prom_pci_assigned_addresses from openprom_32.h

It is not used anywhere in the tree so drop it.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>