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Searched refs:userspace (Results 1 – 25 of 142) sorted by relevance

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/drivers/cpufreq/
A Dcpufreq_userspace.c38 mutex_lock(&userspace->mutex); in cpufreq_set()
39 if (!userspace->is_managed) in cpufreq_set()
42 userspace->setspeed = freq; in cpufreq_set()
59 userspace = kzalloc(sizeof(*userspace), GFP_KERNEL); in cpufreq_userspace_policy_init()
60 if (!userspace) in cpufreq_userspace_policy_init()
63 mutex_init(&userspace->mutex); in cpufreq_userspace_policy_init()
86 mutex_lock(&userspace->mutex); in cpufreq_userspace_policy_start()
87 userspace->is_managed = 1; in cpufreq_userspace_policy_start()
99 mutex_lock(&userspace->mutex); in cpufreq_userspace_policy_stop()
100 userspace->is_managed = 0; in cpufreq_userspace_policy_stop()
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A DKconfig13 (see below) after boot, or use a userspace tool.
64 bool "userspace"
67 Use the CPUFreq governor 'userspace' as default. This allows
68 you to set the CPU frequency manually or when a userspace
70 to enable the userspace governor manually.
133 tristate "'userspace' governor for userspace frequency scaling"
136 CPU frequency manually or when a userspace program shall
/drivers/dma-buf/
A DKconfig10 userspace. It enables send/receive 'struct dma_fence' objects to/from
11 userspace via Sync File fds for synchronization between drivers via
12 userspace components. It has been ported from Android.
16 is attached to the buffer and is transferred via userspace, using Sync
31 drivers from userspace. Intended for test and debug only.
34 bool "userspace dmabuf misc driver"
40 A driver to let userspace turn memfd regions into dma-bufs.
50 problem where userspace is able to pin unrestricted amounts of memory
75 allows userspace to allocate dma-bufs that can be shared
/drivers/s390/crypto/
A Dzcrypt_api.h92 long (*send_cprb)(bool userspace, struct zcrypt_queue *, struct ica_xcRB *,
94 long (*send_ep11_cprb)(bool userspace, struct zcrypt_queue *, struct ep11_urb *,
182 static inline unsigned long z_copy_from_user(bool userspace, in z_copy_from_user() argument
187 if (likely(userspace)) in z_copy_from_user()
193 static inline unsigned long z_copy_to_user(bool userspace, in z_copy_to_user() argument
198 if (likely(userspace)) in z_copy_to_user()
A Dzcrypt_msgtype6.c404 if (z_copy_from_user(userspace, msg->userdata, in xcrb_msg_to_type6cprb_msgx()
501 if (z_copy_from_user(userspace, msg->userdata, in xcrb_msg_to_type6_ep11cprb_msgx()
630 if (z_copy_to_user(userspace, xcrb->reply_control_blk_addr, in convert_type86_xcrb()
642 if (z_copy_to_user(userspace, xcrb->reply_data_addr, in convert_type86_xcrb()
674 if (z_copy_to_user(userspace, (char __force __user *)xcrb->resp, in convert_type86_ep11_xcrb()
759 return convert_type86_xcrb(userspace, zq, reply, xcrb); in convert_response_xcrb()
790 return convert_type86_ep11_xcrb(userspace, zq, reply, xcrb); in convert_response_ep11_xcrb()
1058 int prep_cca_ap_msg(bool userspace, struct ica_xcRB *xcrb, in prep_cca_ap_msg() argument
1121 rc = convert_response_xcrb(userspace, zq, ap_msg, xcrb); in zcrypt_msgtype6_send_cprb()
1148 int prep_ep11_ap_msg(bool userspace, struct ep11_urb *xcrb, in prep_ep11_ap_msg() argument
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A Dzcrypt_msgtype6.h97 int prep_cca_ap_msg(bool userspace, struct ica_xcRB *xcrb,
100 int prep_ep11_ap_msg(bool userspace, struct ep11_urb *xcrb,
/drivers/uio/
A DKconfig6 Enable this to allow the userspace driver core code to be
7 built. This code allows userspace programs easy access to
9 to be written in userspace. Note that a small kernel driver
21 driver requires a userspace component called cif that handles
34 This kernel driver requires that the matching userspace driver
80 Automata GmbH. The userspace part of this driver will be
102 This driver requires a userspace component that comes with the card
123 together with the userspace netX stack from Hilscher.
133 A sample userspace application using this driver is available
147 to network and storage devices from userspace.
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/drivers/connector/
A DKconfig4 tristate "Connector - unified userspace <-> kernelspace linker"
7 This is unified userspace <-> kernelspace connector working on top
16 bool "Report process events to userspace"
20 Provide a connector that reports process events to userspace. Send
/drivers/infiniband/
A DKconfig19 tristate "InfiniBand userspace MAD support"
23 is the kernel side of the userspace MAD support, which allows
24 userspace processes to send and receive MADs. You will also
29 tristate "InfiniBand userspace access (verbs and CM)"
33 kernel side of userspace verbs and the userspace
34 communication manager (CM). This allows userspace processes
/drivers/w1/
A DKconfig21 This allows to communicate with userspace using connector. For more
23 There are three types of messages between w1 core and userspace:
27 3. Replies to userspace commands.
/drivers/vfio/
A DKconfig3 tristate "VFIO Non-Privileged userspace driver framework"
11 VFIO provides a framework for secure userspace device drivers.
22 The VFIO device cdev is another way for userspace to get device
35 devices through VFIO and is used by the majority of userspace
68 Only with an IOMMU can userspace access to DMA capable devices be
/drivers/sh/intc/
A DKconfig14 This enables support for hardware-assisted userspace hardirq
19 userspace. This is primarily for use by userspace device
/drivers/gpu/drm/i915/
A DKconfig.profile20 to ensure that we are always signaled and our userspace is able to
28 int "Runtime autosuspend delay for userspace GGTT mmaps (ms)"
32 userspace GGTT mmaps and force userspace to take a pagefault on
124 int "Scheduling quantum for userspace batches (ms, jiffy granularity)"
132 interact with each other via userspace semaphores. Each context
/drivers/base/firmware_loader/
A DKconfig100 loading to the kernel through userspace as a fallback mechanism
112 available and userspace is informed about this through uevents.
115 If the custom fallback mechanism is used userspace must always
123 relies on or uses a fallback mechanism in userspace. If you need to
129 old userspace may exist which relies upon it, and as such this
133 require a fallback mechanism and have a userspace mechanism ready to
151 during provisioning which is only accessible to userspace, and then
165 facility in userspace.
171 Enabling this option forces a sysfs userspace fallback mechanism
231 userspace. For example, FPGA based PCIe cards load firmware and FPGA
/drivers/platform/chrome/wilco_ec/
A DKconfig26 tristate "Enable event forwarding from EC to userspace"
30 (such as power state changes) to userspace. The EC sends the events
32 userspace daemon from /dev/wilco_event using read() and poll().
/drivers/net/wwan/
A DKconfig44 control protocols/ports to userspace, including AT, MBIM, QMI, DIAG
45 and FIREHOSE. These protocols can be accessed directly from userspace
71 userspace with control ports available through the WWAN subsystem
82 different modem protocols/ports to userspace, including AT and QMI.
83 These protocols can be accessed directly from userspace
/drivers/gpu/drm/panfrost/
A DTODO9 - Support userspace controlled GPU virtual addresses. Needed for Vulkan. (Tomeu)
12 userspace.
/drivers/gpu/drm/clients/
A DKconfig63 with ARM Mali GPUs using a userspace Blob.
83 screen until the userspace is ready to take over.
85 If you only need logs, but no terminal, or if you prefer userspace
112 a userspace terminal using drm/kms.
/drivers/media/rc/keymaps/
A DKconfig11 tables on userspace, you should disable it.
15 userspace. Its available at
/drivers/staging/media/imx/
A DTODO9 removed, userspace should use the subdev-based userspace API instead.
/drivers/bus/fsl-mc/
A DKconfig19 bool "Management Complex (MC) userspace support"
22 Provides userspace support for interrogating, creating, destroying or
/drivers/md/
A DMakefile18 dm-log-userspace-y += dm-log-userspace-base.o dm-log-userspace-transfer.o
68 obj-$(CONFIG_DM_LOG_USERSPACE) += dm-log-userspace.o
/drivers/platform/x86/intel/int1092/
A DKconfig6 providing information to userspace application that will inform the Intel
9 to SAR driver. The front end application in userspace will interact with SAR
/drivers/media/platform/synopsys/hdmirx/
A DKconfig31 from userspace using v4l2-ctl tool or by other means.
34 non-functional until EDID will be loaded from userspace.
/drivers/staging/vc04_services/interface/
A DTODO8 This driver is what the vcdbg userspace program uses to set up its
22 kthreads, userspace, limitations) could be very helpful for reviewers.

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