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2014-12-05Bluetooth: Add support for enabling Extended Scanner Filter PoliciesMarcel Holtmann
The new Extended Scanner Filter Policies feature has to be enabled by selecting the correct filter policy for the scan parameters. This patch does that when the controller has been enabled to use LE Privacy. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2014-12-05Bluetooth: Add support for handling LE Direct Advertising Report eventsMarcel Holtmann
When the controller sends a LE Direct Advertising Report event, the host must confirm that the resolvable random address provided matches with its own identity resolving key. If it does, then that advertising report needs to be processed. If it does not match, the report needs to be ignored. This patch adds full support for handling these new reports and using them for device discovery and connection handling. This means when a Bluetooth controller supports the Extended Scanner Filter Policies, it is possible to use directed advertising with LE privacy. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2014-12-05Bluetooth: Enabled LE Direct Advertising Report event if supportedMarcel Holtmann
When the controller supports the Extended Scanner Filter Policies, it supports the LE Direct Advertising Report event. However by default that event is blocked by the LE event mask. It is required to enable it during controller setup. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2014-12-05Bluetooth: Add definitions for LE Direct Advertising Report eventMarcel Holtmann
This patch adds the event id and data structures for the LE Direct Advertising Report event. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2014-12-05Bluetooth: Move LE advertising report defines to the right locationMarcel Holtmann
All Bluetooth commands and events are ordered by its opcode or event id, but for some reason this one now stands out. So move it to its correct spot in the list. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2014-12-05crypto: tcrypt - Allow speed testing of arbitrary hash functionsHerbert Xu
This patch allows the testing of arbitrary hash functions specified by the alg module parameter by using them in mode 300 (for sync hash) and mode 400 (for async hash). For example, you could do modprobe tcrypt mode=300 alg='vmac(aes)' Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2014-12-05crypto: af_alg - add user space interface for AEADStephan Mueller
AEAD requires the caller to specify the following information separate from the data stream. This information allows the AEAD interface handler to identify the AAD, ciphertext/plaintext and the authentication tag: * Associated authentication data of arbitrary length and length * Length of authentication tag for encryption Signed-off-by: Stephan Mueller <smueller@chronox.de> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2014-12-05dmaengine: pl330: update author infoJassi Brar
Update email-id to a personal one, as I have changed employment. Signed-off-by: Jassi Brar <jassisinghbrar@gmail.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2014-12-05dmaengine: clarify the issue_pending expectationsVinod Koul
Although Documentation explicitly mentions the expectations, the comment in header can be lead to different expectation so clear up the confusion Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2014-12-05iommu: store DT-probed IOMMU data privatelyRobin Murphy
Since the data pointer in the DT node is public and may be overwritten by conflicting code, move the DT-probed IOMMU ops to a private list where they will be safe. Acked-by: Grant Likely <grant.likely@linaro.org> Signed-off-by: Robin Murphy <robin.murphy@arm.com> [will: added missing #include and missing ')'] Signed-off-by: Will Deacon <will.deacon@arm.com>
2014-12-05Merge branch 'topic/at_xdmac' into for-linusVinod Koul
2014-12-05drm/i915: Handle inaccurate time conversion issuesDaniel Vetter
So apparently jiffies<->nsec<->ktime isn't accurate or something. At elast if we timeout there's occasionally still a few hundred us left (in a 2 second timeout). Stuff I've tried and thrown out again: - Sampling the before timestamp before jiffies. Doesn't improve test path rate at all. - Using jiffies. Way to inaccurate, which means way too much drift with signals plus automatic ioctl restarting in userspace. In hindsight we should have used an absolute timeout, but hey we need something for v3 of the i915 gem wait interfaces ;-) - Trying to figure out where accuracy gets lost. gl testcase really don't care all that much about this (as long as isn't not massively off), it's just that the testcase gets a bit upset if it receives an EITME with timeout > 0. So as long as we're in the ballbark it's good enough. So patch everything up if we're at most one jiffies off. I get's me a solid test again. This regression is probably introduced in commit 5ed0bdf21a85d78e04f89f15ccf227562177cbd9 Author: Thomas Gleixner <tglx@linutronix.de> Date: Wed Jul 16 21:05:06 2014 +0000 drm: i915: Use nsec based interfaces Use ktime_get_raw_ns() and get rid of the back and forth timespec conversions. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: John Stultz <john.stultz@linaro.org> Probably because I'm too lazy to confirm myself and still waiting for QA ;-) Cc: Thomas Gleixner <tglx@linutronix.de> Cc: John Stultz <john.stultz@linaro.org> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=82749 Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2014-12-05drm/i915: compute wait_ioctl timeout correctlyDaniel Vetter
We've lost the +1 required for correct timeouts in commit 5ed0bdf21a85d78e04f89f15ccf227562177cbd9 Author: Thomas Gleixner <tglx@linutronix.de> Date: Wed Jul 16 21:05:06 2014 +0000 drm: i915: Use nsec based interfaces Use ktime_get_raw_ns() and get rid of the back and forth timespec conversions. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: John Stultz <john.stultz@linaro.org> So fix this up by reinstating our handrolled _timeout function. While at it bother with handling MAX_JIFFIES. v2: Convert to usecs (we don't care about the accuracy anyway) first to avoid overflow issues Dave Gordon spotted. v3: Drop the explicit MAX_JIFFY_OFFSET check, usecs_to_jiffies should take care of that already. It might be a bit too enthusiastic about it though. v4: Chris has a much nicer color, so use his implementation. This requires to export nsec_to_jiffies from time.c. Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Dave Gordon <david.s.gordon@intel.com> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=82749 Cc: Thomas Gleixner <tglx@linutronix.de> Cc: John Stultz <john.stultz@linaro.org> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Acked-by: John Stultz <john.stultz@linaro.org> Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2014-12-05cc2520: adds terminating newlineVarka Bhadram
Signed-off-by: Varka Bhadram <varkab@cdac.in> Acked-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-12-05mac802154: use goto label on failureVarka Bhadram
Signed-off-by: Varka Bhadram <varkab@cdac.in> Reviewed-by: Stefan Schmidt <s.schmidt@samsung.com> Acked-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-12-05drm/i915: don't always do full mode sets when infoframes are enabledJesse Barnes
Partial revert of commit 206645910b9796bff13fcdb67bdca166b724ba62 Author: Jesse Barnes <jbarnes@virtuousgeek.org> Date: Wed Nov 5 14:26:09 2014 -0800 drm/i915: check for audio and infoframe changes across mode sets v2 References: https://bugs.freedesktop.org/show_bug.cgi?id=86683 Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Tested-by: Li Xu <li.l.xu@intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2014-12-05KVM: cpuid: recompute CPUID 0xD.0:EBX,ECXRadim Krčmář
We reused host EBX and ECX, but KVM might not support all features; emulated XSAVE size should be smaller. EBX depends on unknown XCR0, so we default to ECX. SDM CPUID (EAX = 0DH, ECX = 0): EBX Bits 31-00: Maximum size (bytes, from the beginning of the XSAVE/XRSTOR save area) required by enabled features in XCR0. May be different than ECX if some features at the end of the XSAVE save area are not enabled. ECX Bit 31-00: Maximum size (bytes, from the beginning of the XSAVE/XRSTOR save area) of the XSAVE/XRSTOR save area required by all supported features in the processor, i.e all the valid bit fields in XCR0. Signed-off-by: Radim Krčmář <rkrcmar@redhat.com> Tested-by: Wanpeng Li <wanpeng.li@linux.intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-12-05kvm: vmx: add nested virtualization support for xsavesWanpeng Li
Add nested virtualization support for xsaves. Signed-off-by: Wanpeng Li <wanpeng.li@linux.intel.com> Reviewed-by: Radim Krčmář <rkrcmar@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-12-05kvm: vmx: add MSR logic for XSAVESWanpeng Li
Add logic to get/set the XSS model-specific register. Signed-off-by: Wanpeng Li <wanpeng.li@linux.intel.com> Reviewed-by: Radim Krčmář <rkrcmar@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-12-05kvm: x86: handle XSAVES vmcs and vmexitWanpeng Li
Initialize the XSS exit bitmap. It is zero so there should be no XSAVES or XRSTORS exits. Signed-off-by: Wanpeng Li <wanpeng.li@linux.intel.com> Reviewed-by: Radim Krčmář <rkrcmar@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-12-05KVM: cpuid: mask more bits in leaf 0xd and subleavesPaolo Bonzini
- EAX=0Dh, ECX=1: output registers EBX/ECX/EDX are reserved. - EAX=0Dh, ECX>1: output register ECX bit 0 is clear for all the CPUID leaves we support, because variable "supported" comes from XCR0 and not XSS. Bits above 0 are reserved, so ECX is overall zero. Output register EDX is reserved. Source: Intel Architecture Instruction Set Extensions Programming Reference, ref. number 319433-022 Reviewed-by: Radim Krčmář <rkrcmar@redhat.com> Tested-by: Wanpeng Li <wanpeng.li@linux.intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-12-05KVM: cpuid: set CPUID(EAX=0xd,ECX=1).EBX correctlyPaolo Bonzini
This is the size of the XSAVES area. This starts providing guest support for XSAVES (with no support yet for supervisor states, i.e. XSS == 0 always in guests for now). Wanpeng Li suggested testing XSAVEC as well as XSAVES, since in practice no real processor exists that only has one of them, and there is no other way for userspace programs to compute the area of the XSAVEC save area. CPUID(EAX=0xd,ECX=1).EBX provides an upper bound. Suggested-by: Radim Krčmář <rkrcmar@redhat.com> Reviewed-by: Radim Krčmář <rkrcmar@redhat.com> Tested-by: Wanpeng Li <wanpeng.li@linux.intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-12-05kvm: x86: Add kvm_x86_ops hook that enables XSAVES for guestWanpeng Li
Expose the XSAVES feature to the guest if the kvm_x86_ops say it is available. Signed-off-by: Wanpeng Li <wanpeng.li@linux.intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-12-05KVM: x86: use F() macro throughout cpuid.cPaolo Bonzini
For code that deals with cpuid, this makes things a bit more readable. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-12-05KVM: x86: support XSAVES usage in the hostPaolo Bonzini
Userspace is expecting non-compacted format for KVM_GET_XSAVE, but struct xsave_struct might be using the compacted format. Convert in order to preserve userspace ABI. Likewise, userspace is passing non-compacted format for KVM_SET_XSAVE but the kernel will pass it to XRSTORS, and we need to convert back. Fixes: f31a9f7c71691569359fa7fb8b0acaa44bce0324 Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: stable@vger.kernel.org Cc: H. Peter Anvin <hpa@linux.intel.com> Tested-by: Nadav Amit <namit@cs.technion.ac.il> Reviewed-by: Radim Krčmář <rkrcmar@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-12-05x86: export get_xsave_addrPaolo Bonzini
get_xsave_addr is the API to access XSAVE states, and KVM would like to use it. Export it. Cc: stable@vger.kernel.org Cc: x86@kernel.org Cc: H. Peter Anvin <hpa@linux.intel.com> Acked-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-12-05Merge tag 'kvm-s390-next-20141204' of ↵Paolo Bonzini
git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into HEAD KVM: s390: Fixups for kvm/next (3.19) Here we have two fixups of the latest interrupt rework and one architectural fixup.
2014-12-05arm64: remove the unnecessary arm64_swiotlb_init()Ding Tianhong
The commit 3690951fc6d42f3a0903987677d0e592c49dd8db (arm64: Use swiotlb late initialisation) switches the DMA mapping code to swiotlb_tlb_late_init_with_default_size(), the arm64_swiotlb_init() will not used anymore, so remove this function. Signed-off-by: Ding Tianhong <dingtianhong@huawei.com> Signed-off-by: Will Deacon <will.deacon@arm.com>
2014-12-05Bluetooth: Report invalid RSSI for service discovery and background scanMarcel Holtmann
When using Start Service Discovery and when background scanning is used to report devices, the RSSI is reported or the value 127 is provided in case RSSI in unavailable. For Start Discovery the value 0 is reported to keep backwards compatibility with the existing users. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2014-12-05Bluetooth: Fix discovery filter when no RSSI is availableMarcel Holtmann
When no RSSI value is available then make sure that the result is filtered out when the RSSI threshold filter is active. This means that all Bluetooth 1.1 or earlier devices will not report any results when using a RSSI threshold filter. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2014-12-05Bluetooth: Remove redundant reverse_base_uuid variableJohan Hedberg
The mgmt.c file already has a bluetooth_base_uuid variable which has the exact same value as the reverse_base_uuid one. This patch removes the redundant variable. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-12-05Bluetooth: Fix Get Conn Info to use cmd_complete callbackJohan Hedberg
This patch fixes the Get Connection Information mgmt command to take advantage of the new cmd_complete callback. This allows for great simplifications in the logic for constructing the cmd_complete event. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-12-05Bluetooth: Fix initializing hci_conn RSSI to invalid valueJohan Hedberg
When we create the hci_conn object we should properly initialize the RSSI to HCI_RSSI_INVALID. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-12-05Bluetooth: Convert Get Clock Info to use cmd_complete callbackJohan Hedberg
This patch converts the Get Clock Information mgmt command to take advantage of the new cmd_complete callback for pending commands. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-12-05Bluetooth: Convert discovery commands to use cmd_complete callbackJohan Hedberg
This patch converts the Start/Stop Discovery mgmt commands to use the cmd_complete callback of struct pending_cmd. Since both of these commands return the same parameters as they take as input we can use the existing generic_cmd_complete() helper for this. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-12-05Bluetooth: Convert Unpair Device to use cmd_complete callbackJohan Hedberg
This patch updates the Unpair Device code to take advantage of the cmd_complete callback of struct pending_cmd. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-12-05Bluetooth: Convert Pair Device to use cmd_complete callbackJohan Hedberg
This patch converts the Pair Device mgmt command to use the new cmd_complete callback for pending mgmt commands. The already existing pairing_complete() function is exactly what's needed and doesn't need changing. In addition to getting the return parameters always right this patch actually fixes a reference counting bug and memory leak with the hci_conn that's attached to the pending mgmt command - something that would occur when powering off or unplugging the adapter while pairing is in progress. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-12-05Bluetooth: Use cmd_complete callback for authentication mgmt commandsJohan Hedberg
This patch converts the user confirmation & PIN code mgmt commands to take advantage of the new cmd_complete callback for pending mgmt commands. The patch also adds a new generic addr_cmd_complete() helper function to be used with commands that send a mgmt_addr_info response based on a mgmt_addr_info in the beginning of the command parameters. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-12-05Bluetooth: Convert Disconnect mgmt command to use cmd_complete callbackJohan Hedberg
This patch converts the Disconnect mgmt command to take advantage of the new cmd_complete callback that's part of the pending_cmd struct. There are many commands whose response parameters map 1:1 to the command parameters and Disconnect is one of them. This patch adds a generic_cmd_complete() function for such commands that can be reused in subsequent patches. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-12-05Bluetooth: Store parameter length with pending mgmt commandsJohan Hedberg
As preparation for making generic cmd_complete responses possible we'll need to track the parameter length in addition to just a pointer to them. This patch adds the necessary variable to the pending_cmd struct. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-12-05Bluetooth: Add callback to create proper cmd_complete eventsJohan Hedberg
We've got a couple of generic scenarios where all pending mgmt commands are processed and responses are sent to them. These scenarios are powering off the adapter and removing the adapter. So far the code has been generating cmd_status responses with NOT_POWERED and INVALID_INDEX resposes respectively, but this violates the mgmt specification for commands that should always generate a cmd_complete. This patch adds support for specifying a callback for the pending_cmd context that each command handler can use for command-specific cmd_complete event generation. The actual per-command event generators will come in subsequent patches. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-12-05net/mac802154: No need for an extra space when castingStefan Schmidt
Coding style cleanup. Signed-off-by: Stefan Schmidt <s.schmidt@samsung.com> Acked-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-12-05net/mac802154: Remove extra blank lines.Stefan Schmidt
Signed-off-by: Stefan Schmidt <s.schmidt@samsung.com> Acked-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-12-05net/ieee802154: Remove and add extra blank lines as needed.Stefan Schmidt
Some have been missing and some have been needed. Just cosmetics. Signed-off-by: Stefan Schmidt <s.schmidt@samsung.com> Acked-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-12-05net/ieee802154: Make sure alignment matches parenthesis..Stefan Schmidt
Follow coding style of the kernel. Signed-off-by: Stefan Schmidt <s.schmidt@samsung.com> Acked-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-12-05net/6lowpan: Remove FSF address from GPL statement.Stefan Schmidt
This might change and we already deliver a copy of the license with the kernel. This was already removed form the ieee802154 code but missed here. Signed-off-by: Stefan Schmidt <s.schmidt@samsung.com> Acked-by: Alexander Aring <alex.aring@gmail.com> Acked-by: Jukka Rissanen <jukka.rissanen@linux.intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-12-05Merge remote-tracking branches 'regulator/topic/sky81452' and ↵Mark Brown
'regulator/topic/stub' into regulator-next
2014-12-05Merge remote-tracking branches 'regulator/topic/rn5t618', ↵Mark Brown
'regulator/topic/rpm', 'regulator/topic/rt5033', 'regulator/topic/s2mpa01' and 'regulator/topic/s2mps11' into regulator-next
2014-12-05Merge remote-tracking branches 'regulator/topic/max77686', ↵Mark Brown
'regulator/topic/max77693', 'regulator/topic/max77802', 'regulator/topic/power-off' and 'regulator/topic/rk808' into regulator-next
2014-12-05Merge remote-tracking branches 'regulator/topic/anatop', ↵Mark Brown
'regulator/topic/disable', 'regulator/topic/dummy' and 'regulator/topic/gpio' into regulator-next
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