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* Merge branch 'for-linus' of ↵Linus Torvalds2009-01-03
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/joro/linux-2.6-iommu * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/linux-2.6-iommu: (89 commits) AMD IOMMU: remove now unnecessary #ifdefs AMD IOMMU: prealloc_protection_domains should be static kvm/iommu: fix compile warning AMD IOMMU: add statistics about total number of map requests AMD IOMMU: add statistics about allocated io memory AMD IOMMU: add stats counter for domain tlb flushes AMD IOMMU: add stats counter for single iommu domain tlb flushes AMD IOMMU: add stats counter for cross-page request AMD IOMMU: add stats counter for free_coherent requests AMD IOMMU: add stats counter for alloc_coherent requests AMD IOMMU: add stats counter for unmap_sg requests AMD IOMMU: add stats counter for map_sg requests AMD IOMMU: add stats counter for unmap_single requests AMD IOMMU: add stats counter for map_single requests AMD IOMMU: add stats counter for completion wait events AMD IOMMU: add init code for statistic collection AMD IOMMU: add necessary header defines for stats counting AMD IOMMU: add Kconfig entry for statistic collection code AMD IOMMU: use dev_name in iommu_enable function AMD IOMMU: use calc_devid in prealloc_protection_domains ...
| * AMD IOMMU: remove now unnecessary #ifdefsJoerg Roedel2009-01-03
| | | | | | | | | | | | | | The #ifdef's are no longer necessary when the iommu-api and the amd iommu updates are merged together. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
| * Merge branches 'iommu/api' and 'iommu/amd' into for-linusJoerg Roedel2009-01-03
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| | * AMD IOMMU: prealloc_protection_domains should be staticJaswinder Singh Rajput2009-01-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: cleanup, reduce kernel size a bit, avoid sparse warning Fixes sparse warning: arch/x86/kernel/amd_iommu.c:1299:6: warning: symbol 'prealloc_protection_domains' was not declared. Should it be static? Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com> Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
| | * AMD IOMMU: add statistics about total number of map requestsJoerg Roedel2009-01-03
| | | | | | | | | | | | | | | | | | Impact: see total number of map requests in debugfs Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
| | * AMD IOMMU: add statistics about allocated io memoryJoerg Roedel2009-01-03
| | | | | | | | | | | | | | | | | | Impact: see amount of allocated io memory in debugfs Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
| | * AMD IOMMU: add stats counter for domain tlb flushesJoerg Roedel2009-01-03
| | | | | | | | | | | | | | | | | | Impact: see number of domain tlb flushes in debugfs Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
| | * AMD IOMMU: add stats counter for single iommu domain tlb flushesJoerg Roedel2009-01-03
| | | | | | | | | | | | | | | | | | Impact: see number of single iommu domain tlb flushes in debugfs Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
| | * AMD IOMMU: add stats counter for cross-page requestJoerg Roedel2009-01-03
| | | | | | | | | | | | | | | | | | Impact: see number of requests for more than one page in debugfs Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
| | * AMD IOMMU: add stats counter for free_coherent requestsJoerg Roedel2009-01-03
| | | | | | | | | | | | | | | | | | Impact: see number of free_coherent requests in debugfs Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
| | * AMD IOMMU: add stats counter for alloc_coherent requestsJoerg Roedel2009-01-03
| | | | | | | | | | | | | | | | | | Impact: see number of alloc_coherent requests in debugfs Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
| | * AMD IOMMU: add stats counter for unmap_sg requestsJoerg Roedel2009-01-03
| | | | | | | | | | | | | | | | | | Impact: see number of unmap_sg requests in debugfs Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
| | * AMD IOMMU: add stats counter for map_sg requestsJoerg Roedel2009-01-03
| | | | | | | | | | | | | | | | | | Impact: see number of map_sg requests in debugfs Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
| | * AMD IOMMU: add stats counter for unmap_single requestsJoerg Roedel2009-01-03
| | | | | | | | | | | | | | | | | | Impact: see number of unmap_single requests in debugfs Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
| | * AMD IOMMU: add stats counter for map_single requestsJoerg Roedel2009-01-03
| | | | | | | | | | | | | | | | | | Impact: see number of map_single requests in debugfs Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
| | * AMD IOMMU: add stats counter for completion wait eventsJoerg Roedel2009-01-03
| | | | | | | | | | | | | | | | | | Impact: see number of completion wait events in debugfs Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
| | * AMD IOMMU: add init code for statistic collectionJoerg Roedel2009-01-03
| | | | | | | | | | | | | | | | | | Impact: create a new debugfs directory Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
| | * AMD IOMMU: add necessary header defines for stats countingJoerg Roedel2009-01-03
| | | | | | | | | | | | | | | | | | Impact: add defines to make iommu stats collection configurable Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
| | * AMD IOMMU: add Kconfig entry for statistic collection codeJoerg Roedel2009-01-03
| | | | | | | | | | | | | | | | | | Impact: adds new Kconfig entry Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
| | * AMD IOMMU: use dev_name in iommu_enable functionJoerg Roedel2009-01-03
| | | | | | | | | | | | | | | | | | Impact: cleanup Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
| | * AMD IOMMU: use calc_devid in prealloc_protection_domainsJoerg Roedel2009-01-03
| | | | | | | | | | | | | | | | | | Impact: cleanup Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
| | * AMD IOMMU: convert amd_iommu_isolate to boolJoerg Roedel2009-01-03
| | | | | | | | | | | | | | | | | | Impact: cleanup Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
| | * AMD IOMMU: convert iommu->need_sync to boolJoerg Roedel2009-01-03
| | | | | | | | | | | | | | | | | | Impact: use bool instead of int for iommu->need_sync Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
| | * AMD IOMMU: use dev_name instead of self-build print_devidJoerg Roedel2009-01-03
| | | | | | | | | | | | | | | | | | Impact: use generic dev_name instead of own function Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
| | * AMD IOMMU: allocate a new protection for hotplugged devicesJoerg Roedel2009-01-03
| | | | | | | | | | | | | | | | | | Impact: also hotplug devices benefit from device isolation Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
| | * AMD IOMMU: add a domain flag for default domainsJoerg Roedel2009-01-03
| | | | | | | | | | | | | | | | | | Impact: adds a new protection domain flag Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
| | * AMD IOMMU: register functions for the IOMMU APIJoerg Roedel2009-01-03
| | | | | | | | | | | | Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
| | * AMD IOMMU: add domain address lookup function for IOMMU APIJoerg Roedel2009-01-03
| | | | | | | | | | | | | | | | | | Impact: add a generic function to lockup addresses in protection domains Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
| | * AMD IOMMU: add domain unmap function for IOMMU APIJoerg Roedel2009-01-03
| | | | | | | | | | | | | | | | | | Impact: add a generic function to unmap pages into protection domains Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
| | * AMD IOMMU: add domain map function for IOMMU APIJoerg Roedel2009-01-03
| | | | | | | | | | | | | | | | | | Impact: add a generic function to map pages into protection domains Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
| | * AMD IOMMU: add device attach function for IOMMU APIJoerg Roedel2009-01-03
| | | | | | | | | | | | | | | | | | Impact: add a generic function to attach devices to protection domains Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
| | * AMD IOMMU: add device detach function for IOMMU APIJoerg Roedel2009-01-03
| | | | | | | | | | | | | | | | | | Impact: add a generic function to detach devices from protection domains Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
| | * AMD IOMMU: add domain destroy function for IOMMU APIJoerg Roedel2009-01-03
| | | | | | | | | | | | | | | | | | Impact: add a generic function for releasing protection domains Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
| | * AMD IOMMU: add domain init function for IOMMU APIJoerg Roedel2009-01-03
| | | | | | | | | | | | | | | | | | Impact: add a generic function for allocation protection domains Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
| | * AMD IOMMU: add domain cleanup helper functionJoerg Roedel2009-01-03
| | | | | | | | | | | | | | | | | | Impact: add a function to remove all devices from a domain Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
| | * AMD IOMMU: add device notifier callbackJoerg Roedel2009-01-03
| | | | | | | | | | | | | | | | | | Impact: inform IOMMU about state change of a device in the driver core Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
| | * AMD IOMMU: add device detach helper functionsJoerg Roedel2009-01-03
| | | | | | | | | | | | | | | | | | Impact: add helper functions to detach a device from a domain Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
| | * AMD IOMMU: rename set_device_domain functionJoerg Roedel2009-01-03
| | | | | | | | | | | | | | | | | | Impact: rename set_device_domain() to attach_device() Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
| | * AMD IOMMU: add device reference counting for protection domainsJoerg Roedel2009-01-03
| | | | | | | | | | | | | | | | | | Impact: know how many devices are assigned to a domain Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
| | * AMD IOMMU: add checks for dma_ops domain to dma_ops functionsJoerg Roedel2009-01-03
| | | | | | | | | | | | | | | | | | Impact: detect when a driver uses a device assigned otherwise Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
| | * AMD IOMMU: add protection domain flagsJoerg Roedel2009-01-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
| | * AMD IOMMU: add iommu_flush_domain functionJoerg Roedel2009-01-03
| | | | | | | | | | | | | | | | | | Impact: add a function to flush a domain id on every IOMMU Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
| | * AMD IOMMU: don't remove protection domain from iommu_pd_listJoerg Roedel2009-01-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
| | * AMD IOMMU: move invalidation command building to a separate functionJoerg Roedel2009-01-03
| | | | | | | | | | | | | | | | | | Impact: refactoring of iommu_queue_inv_iommu_pages Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
| | * AMD IOMMU: refactor completion wait handling into separate functionsJoerg Roedel2009-01-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
| | * AMD IOMMU: add domain id free functionJoerg Roedel2009-01-03
| | | | | | | | | | | | | | | | | | Impact: add code to release a domain id Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
| | * AMD IOMMU: make dma_ops_free_pagetable genericJoerg Roedel2009-01-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
| | * AMD IOMMU: rename iommu_map to iommu_map_pageJoerg Roedel2009-01-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
| * | kvm/iommu: fix compile warningJoerg Roedel2009-01-03
| | | | | | | | | | | | | | | | | | | | | This fixes a compile warning about a variable thats maybe used uninitialized in the function. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
| * | intel-iommu: fix bit shift at DOMAIN_FLAG_P2P_MULTIPLE_DEVICESMike Day2009-01-03
| | | | | | | | | | | | | | | Signed-off-by: Mike Day <ncmike@ncultra.org> Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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