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* KVM: Move device assignment logic to common codeXiantao Zhang2008-10-152-0/+3
| | | | | | | | To share with other archs, this patch moves device assignment logic to common parts. Signed-off-by: Xiantao Zhang <xiantao.zhang@intel.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
* KVM: MMU: out of sync shadow coreMarcelo Tosatti2008-10-151-0/+1
| | | | | | | | | | | Allow guest pagetables to go out of sync. Instead of emulating write accesses to guest pagetables, or unshadowing them, we un-write-protect the page table and allow the guest to modify it at will. We rely on invlpg executions to synchronize individual ptes, and will synchronize the entire pagetable on tlb flushes. Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by: Avi Kivity <avi@redhat.com>
* KVM: Device Assignment with VT-dBen-Ami Yassour2008-10-152-0/+55
| | | | | | | | | | | | | | | | | | | Based on a patch by: Kay, Allen M <allen.m.kay@intel.com> This patch enables PCI device assignment based on VT-d support. When a device is assigned to the guest, the guest memory is pinned and the mapping is updated in the VT-d IOMMU. [Amit: Expose KVM_CAP_IOMMU so we can check if an IOMMU is present and also control enable/disable from userspace] Signed-off-by: Kay, Allen M <allen.m.kay@intel.com> Signed-off-by: Weidong Han <weidong.han@intel.com> Signed-off-by: Ben-Ami Yassour <benami@il.ibm.com> Signed-off-by: Amit Shah <amit.shah@qumranet.com> Acked-by: Mark Gross <mgross@linux.intel.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
* VT-d: Changes to support KVMKay, Allen M2008-10-153-0/+536
| | | | | | | | | | | | | | This patch extends the VT-d driver to support KVM [Ben: fixed memory pinning] [avi: move dma_remapping.h as well] Signed-off-by: Kay, Allen M <allen.m.kay@intel.com> Signed-off-by: Weidong Han <weidong.han@intel.com> Signed-off-by: Ben-Ami Yassour <benami@il.ibm.com> Signed-off-by: Amit Shah <amit.shah@qumranet.com> Acked-by: Mark Gross <mgross@linux.intel.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
* KVM: x86: do not execute halted vcpusMarcelo Tosatti2008-10-151-0/+1
| | | | | | | | | | | | | | Offline or uninitialized vcpu's can be executed if requested to perform userspace work. Follow Avi's suggestion to handle halted vcpu's in the main loop, simplifying kvm_emulate_halt(). Introduce a new vcpu->requests bit to indicate events that promote state from halted to running. Also standardize vcpu wake sites. Signed-off-by: Marcelo Tosatti <mtosatti <at> redhat.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
* KVM: pci device assignmentBen-Ami Yassour2008-10-151-0/+19
| | | | | | | | | | | | | | | | | | | | | | | Based on a patch from: Amit Shah <amit.shah@qumranet.com> This patch adds support for handling PCI devices that are assigned to the guest. The device to be assigned to the guest is registered in the host kernel and interrupt delivery is handled. If a device is already assigned, or the device driver for it is still loaded on the host, the device assignment is failed by conveying a -EBUSY reply to the userspace. Devices that share their interrupt line are not supported at the moment. By itself, this patch will not make devices work within the guest. The VT-d extension is required to enable the device to perform DMA. Another alternative is PVDMA. Signed-off-by: Amit Shah <amit.shah@qumranet.com> Signed-off-by: Ben-Ami Yassour <benami@il.ibm.com> Signed-off-by: Weidong Han <weidong.han@intel.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
* KVM: ppc: trace powerpc instruction emulationChristian Ehrhardt2008-10-151-0/+1
| | | | | | | | This patch adds a trace point for the instruction emulation on embedded powerpc utilizing the KVM_TRACE interface. Signed-off-by: Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
* KVM: ppc: adds trace points for ppc tlb activityJerone Young2008-10-151-0/+3
| | | | | | | | | This patch adds trace points to track powerpc TLB activities using the KVM_TRACE infrastructure. Signed-off-by: Jerone Young <jyoung5@us.ibm.com> Signed-off-by: Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
* KVM: kvmtrace: replace get_cycles with ktime_get v3Christian Ehrhardt2008-10-151-3/+3
| | | | | | | | | | | | | The current kvmtrace code uses get_cycles() while the interpretation would be easier using using nanoseconds. ktime_get() should give at least the same accuracy as get_cycles on all architectures (even better on 32bit archs) but at a better unit (e.g. comparable between hosts with different frequencies. [avi: avoid ktime_t in public header] Signed-off-by: Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com> Acked-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
* KVM: kvmtrace: Remove use of bit fields in kvm trace structureChristian Ehrhardt2008-10-151-3/+14
| | | | | | | | | | | This patch fixes kvmtrace use on big endian systems. When using bit fields the compiler will lay data out in the wrong order expected when laid down into a file. This fixes it by using one variable instead of using bit fields. Signed-off-by: Jerone Young <jyoung5@us.ibm.com> Signed-off-by: Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
* KVM: Move KVM TRACE DEFINITIONS to common headerHollis Blanchard2008-10-152-0/+40
| | | | | | | | | | | Move KVM trace definitions from x86 specific kvm headers to common kvm headers to create a cross-architecture numbering scheme for trace events. This means the kvmtrace_format userspace tool won't need to know which architecture produced the log file being processed. Signed-off-by: Jerone Young <jyoung5@us.ibm.com> Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
* Merge branch 'for-linus' of ↵Linus Torvalds2008-10-143-96/+333
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (55 commits) HID: build drivers for all quirky devices by default HID: add missing blacklist entry for Apple ATV ircontrol HID: add support for Bright ABNT2 brazilian device HID: Don't let Avermedia Radio FM800 be handled by usb hid drivers HID: fix numlock led on Dell device 0x413c/0x2105 HID: remove warn() macro from usb hid drivers HID: remove info() macro from usb HID drivers HID: add appletv IR receiver quirk HID: fix a lockup regression when using force feedback on a PID device HID: hiddev.h: Fix example code. HID: hiddev.h: Fix mixed space and tabs in example code. HID: convert to dev_* prints HID: remove hid-ff HID: move zeroplus FF processing HID: move thrustmaster FF processing HID: move pantherlord FF processing HID: fix incorrent length condition in hidraw_write() HID: fix tty<->hid deadlock HID: ignore iBuddy devices HID: report descriptor fix for remaining MacBook JIS keyboards ...
| * HID: fix a lockup regression when using force feedback on a PID deviceAnssi Hannula2008-10-141-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit 8006479c9b75fb6594a7b746af3d7f1fbb68f18f introduced a spinlock in input_dev->event_lock, which is locked when handling input events. However, the hid-pidff driver sleeps when handling events as it waits for reports being sent to the device before changing the report contents again. This causes a system lockup when trying to use force feedback with a PID device, a regression introduced in 2.6.24 and 2.6.23.15. Fix it by extracting the raw report data from struct hid_report immediately when hid_submit_report() is called, therefore allowing drivers to change the contents of struct hid_report immediately without affecting the already-queued transfer. In hid-pidff, re-add the removed usbhid_wait_io() to pidff_erase_effect() instead, to prevent a full report queue from causing the submission to fail, thus not freeing up device memory. pidff_erase_effect() is not called while dev->event_lock is held. Signed-off-by: Anssi Hannula <anssi.hannula@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
| * HID: hiddev.h: Fix example code.Antonio Ospite2008-10-141-0/+2
| | | | | | | | | | | | | | | | | | Fix hiddev.h example code. To get the correct usage code, you need to set report_type and report_id. Signed-off-by: Antonio Ospite <ospite@studenti.unina.it> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
| * HID: hiddev.h: Fix mixed space and tabs in example code.Antonio Ospite2008-10-141-19/+19
| | | | | | | | | | | | | | Fix mixed space and tabs in example code. Signed-off-by: Antonio Ospite <ospite@studenti.unina.it> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
| * HID: remove hid-ffJiri Slaby2008-10-141-8/+1
| | | | | | | | | | | | | | | | hid-ff.c now calls only pidff (generic driver), the special ones are now in separate drivers. Invoke pidff on all non-special directly. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
| * HID: move zeroplus FF processingJiri Slaby2008-10-141-1/+0
| | | | | | | | | | Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
| * HID: move thrustmaster FF processingJiri Slaby2008-10-141-1/+0
| | | | | | | | | | Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
| * HID: move pantherlord FF processingJiri Slaby2008-10-141-1/+0
| | | | | | | | | | | | | | | | | | Move the force feedback processing into a separate module. [jkosina@suse.cz: fix Kconfig texts a little bit] Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
| * HID: move logitech FF processingJiri Slaby2008-10-141-2/+0
| | | | | | | | | | | | | | | | Merge the logitech force feedback processing directly into logitech driver from the usbhid core. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
| * HID: move reset leds quirkJiri Slaby2008-10-141-1/+1
| | | | | | | | | | | | | | | | Move the handling of the leds resetting from the core to the dell and logitech drivers. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
| * HID: move connect quirksJiri Slaby2008-10-142-9/+34
| | | | | | | | | | | | | | | | | | Move connecting from usbhid to the hid layer and fix also hidp in that manner. This removes all the ignore/force hidinput/hiddev connecting quirks. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
| * HID: move sony quirksJiri Slaby2008-10-141-1/+0
| | | | | | | | | | Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
| * HID: remove rdesc quirk supportJiri Slaby2008-10-141-1/+0
| | | | | | | | | | | | | | | | | | Remove support for both dynamic and static report descriptor quirks. There is no longer rdesc code which it would support, so it's useless. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
| * HID: remove hid-input-quirksJiri Slaby2008-10-141-3/+0
| | | | | | | | | | | | | | Remove the file since these is no user now. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
| * HID: move samsung quirksJiri Slaby2008-10-141-6/+0
| | | | | | | | | | Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
| * HID: move monterey quirksJiri Slaby2008-10-141-1/+0
| | | | | | | | | | Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
| * HID: move petalynx quirksJiri Slaby2008-10-141-1/+0
| | | | | | | | | | Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
| * HID: move ezkey quirksJiri Slaby2008-10-141-1/+0
| | | | | | | | | | Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
| * HID: move cherry quirksJiri Slaby2008-10-141-1/+0
| | | | | | | | | | Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
| * HID: move a4tech quirksJiri Slaby2008-10-141-5/+0
| | | | | | | | | | Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
| * HID: move cypress quirksJiri Slaby2008-10-141-2/+0
| | | | | | | | | | Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
| * HID: move sunplus quirksJiri Slaby2008-10-141-1/+0
| | | | | | | | | | Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
| * HID: move microsoft quirksJiri Slaby2008-10-141-2/+0
| | | | | | | | | | | | | | Move them from the core code to a separate driver. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
| * HID: add compat supportJiri Slaby2008-10-141-2/+15
| | | | | | | | | | | | | | | | Add compat option to hid code to allow loading of all modules on systems which don't allow autoloading because of old userspace. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
| * HID: move apple quirksJiri Slaby2008-10-141-13/+0
| | | | | | | | | | | | | | Move them from the core code to a separate driver. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
| * HID: move ignore quirksJiri Slaby2008-10-141-1/+0
| | | | | | | | | | | | | | | | | | Move ignore quirks from usbhid-quirks into hid-core code. Also don't output warning when ENODEV is error code in usbhid and try ordinal input in hidp when that error is returned. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
| * HID: move logitech quirksJiri Slaby2008-10-141-5/+0
| | | | | | | | | | | | | | Move them from the core and input code to a separate driver. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
| * HID: move usage input mapping to hid.hJiri Slaby2008-10-141-1/+55
| | | | | | | | | | | | | | | | This mapping are currently used on 2 placces and will be needed by more quirk drivers, so move them to hid.h to allow them to use it. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
| * HID: hid, make parsing event drivenJiri Slaby2008-10-141-5/+99
| | | | | | | | | | | | | | | | | | | | | | Next step for complete hid bus, this patch includes: - call parser either from probe or from hid-core if there is no probe. - add ll_driver structure and centralize some stuff there (open, close...) - split and merge usb_hid_configure and hid_probe into several functions to allow hooks/fixes between them Signed-off-by: Jiri Slaby <jslaby@suse.cz> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
| * HID: make a bus from hid codeJiri Slaby2008-10-141-8/+96
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Make a bus from hid core. This is the first step for converting all the quirks and separate almost-drivers into real drivers attached to this bus. It's implemented to change behaviour in very tiny manner, so that no driver needs to be changed this time. Also add generic drivers for both usb and bt into usbhid or hidp respectively which will bind all non-blacklisted device. Those blacklisted will be either grabbed by special drivers or by nobody if they are broken at the very rude base. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
| * modpost: add support for hidJiri Slaby2008-10-142-0/+11
| | | | | | | | | | | | | | Generate aliases for hid device modules to support autoloading. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* | Merge branch 'for-2.6.28' of git://linux-nfs.org/~bfields/linuxLinus Torvalds2008-10-149-48/+226
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'for-2.6.28' of git://linux-nfs.org/~bfields/linux: (59 commits) svcrdma: Fix IRD/ORD polarity svcrdma: Update svc_rdma_send_error to use DMA LKEY svcrdma: Modify the RPC reply path to use FRMR when available svcrdma: Modify the RPC recv path to use FRMR when available svcrdma: Add support to svc_rdma_send to handle chained WR svcrdma: Modify post recv path to use local dma key svcrdma: Add a service to register a Fast Reg MR with the device svcrdma: Query device for Fast Reg support during connection setup svcrdma: Add FRMR get/put services NLM: Remove unused argument from svc_addsock() function NLM: Remove "proto" argument from lockd_up() NLM: Always start both UDP and TCP listeners lockd: Remove unused fields in the nlm_reboot structure lockd: Add helper to sanity check incoming NOTIFY requests lockd: change nlmclnt_grant() to take a "struct sockaddr *" lockd: Adjust nlmsvc_lookup_host() to accomodate AF_INET6 addresses lockd: Adjust nlmclnt_lookup_host() signature to accomodate non-AF_INET lockd: Support non-AF_INET addresses in nlm_lookup_host() NLM: Convert nlm_lookup_host() to use a single argument svcrdma: Add Fast Reg MR Data Types ...
| * \ Merge branch 'from-tomtucker' into for-2.6.28J. Bruce Fields2008-10-081-1/+26
| |\ \
| | * | svcrdma: Modify the RPC recv path to use FRMR when availableTom Tucker2008-10-061-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | RPCRDMA requests that specify a read-list are fetched with RDMA_READ. Using an FRMR to map the data sink improves NFSRDMA security on transports that place the RDMA_READ data sink LKEY on the wire because the valid lifetime of the MR is only the duration of the RDMA_READ. The LKEY is invalidated when the last RDMA_READ WR completes. Mapping the data sink also allows for very large amounts to data to be fetched with a single WR, so if the client is also using FRMR, the entire RPC read-list can be fetched with a single WR. Signed-off-by: Tom Tucker <tom@opengridcomputing.com>
| | * | svcrdma: Add a service to register a Fast Reg MR with the deviceTom Tucker2008-10-061-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fast Reg MR introduces a new WR type. Add a service to register the region with the adapter and update the completion handling to support completions with a NULL WR context. Signed-off-by: Tom Tucker <tom@opengridcomputing.com>
| | * | svcrdma: Add FRMR get/put servicesTom Tucker2008-10-061-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add services for the allocating, freeing, and unmapping Fast Reg MR. These services will be used by the transport connection setup, send and receive routines. Signed-off-by: Tom Tucker <tom@opengridcomputing.com>
| | * | svcrdma: Add Fast Reg MR Data TypesTom Tucker2008-10-031-1/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add data types to track Fast Reg Memory Regions. The core data type is svc_rdma_fastreg_mr that associates a device MR with a host kva and page list. A field is added to the WR context to keep track of the FRMR used to map the local memory for an RPC. An FRMR list and spin lock are added to the transport instance to keep track of all FRMR allocated for the transport. Also added are device capability flags to indicate what the memory registration capabilities are for the underlying device and whether or not fast memory registration is supported. Signed-off-by: Tom Tucker <tom@opengridcomputing.com>
| * | | NLM: Remove unused argument from svc_addsock() functionChuck Lever2008-10-041-4/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Clean up: The svc_addsock() function no longer uses its "proto" argument, so remove it. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Cc: Neil Brown <neilb@suse.de> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
| * | | NLM: Remove "proto" argument from lockd_up()Chuck Lever2008-10-041-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Clean up: Now that lockd_up() starts listeners for both transports, the "proto" argument is no longer needed. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Cc: Neil Brown <neilb@suse.de> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
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