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/Linux-v5.4/virt/kvm/arm/vgic/
Dvgic-its.c3 * GICv3 ITS emulation
26 static int vgic_its_save_tables_v0(struct vgic_its *its);
27 static int vgic_its_restore_tables_v0(struct vgic_its *its);
28 static int vgic_its_commit_v0(struct vgic_its *its);
34 * If this LPI is already mapped on another ITS, we increase its refcount
150 * struct vgic_its_abi - ITS abi ops and settings
154 * @save tables: save the ITS tables into guest RAM
155 * @restore_tables: restore the ITS internal structs from tables
164 int (*save_tables)(struct vgic_its *its);
165 int (*restore_tables)(struct vgic_its *its);
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Dvgic-v4.c19 * - The GICv4 ITS representation offered by the ITS driver
21 * - The virtual ITS, which is the only thing the guest sees
29 * (ITS instance, device, event and irq) using a process that is
44 * guest performs on its LPI through the vITS. For that, a number of
68 * tell the ITS (so that the messages reach the right redistributor).
215 * turns into a VMOVP command at the ITS level. in vgic_v4_flush_hwstate()
251 struct vgic_its *its; in kvm_vgic_v4_set_forwarding() local
260 * Get the ITS, and escape early on error (not a valid in kvm_vgic_v4_set_forwarding()
263 its = vgic_get_its(kvm, irq_entry); in kvm_vgic_v4_set_forwarding()
264 if (IS_ERR(its)) in kvm_vgic_v4_set_forwarding()
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/Linux-v5.4/drivers/irqchip/
Dirq-gic-v3-its.c73 * value of BASER register configuration and ITS page size.
85 * The ITS structure - contains most of the infrastructure, with the
140 * The ITS view of a device - belongs to an ITS, owns an interrupt
141 * translation table, and a list of interrupts. If it some of its
147 struct its_node *its; member
180 struct its_node *its; in get_its_list() local
183 list_for_each_entry(its, &its_nodes, entry) { in get_its_list()
184 if (!its->is_v4) in get_its_list()
187 if (vm->vlpi_count[its->list_nr]) in get_its_list()
188 __set_bit(its->list_nr, &its_list); in get_its_list()
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Dirq-gic-v3-its-platform-msi.c14 .name = "ITS-pMSI",
62 /* ITS specific DeviceID, as the core ITS ignores dev. */ in its_pmsi_prepare()
82 { .compatible = "arm,gic-v3-its", },
93 pr_err("%s: unable to locate ITS domain\n", name); in its_pmsi_init_one()
118 node_name = kasprintf(GFP_KERNEL, "ITS@0x%lx", in its_pmsi_parse_madt()
122 pr_err("%s: Unable to locate ITS domain handle\n", node_name); in its_pmsi_parse_madt()
Dirq-gic-v3-its-pci-msi.c26 .name = "ITS-MSI",
75 /* ITS specific DeviceID, as the core ITS ignores dev. */ in its_pci_msi_prepare()
104 { .compatible = "arm,gic-v3-its", },
115 pr_err("%s: Unable to locate ITS domain\n", name); in its_pci_msi_init_one()
160 node_name = kasprintf(GFP_KERNEL, "ITS@0x%lx", in its_pci_msi_parse_madt()
164 pr_err("%s: Unable to locate ITS domain handle\n", node_name); in its_pci_msi_parse_madt()
/Linux-v5.4/Documentation/virt/kvm/devices/
Darm-vgic-its.txt1 ARM Virtual Interrupt Translation Service (ITS)
7 The ITS allows MSI(-X) interrupts to be injected into guests. This extension is
8 optional. Creating a virtual ITS controller also requires a host GICv3 (see
9 arm-vgic-v3.txt), but does not depend on having physical ITS controllers.
11 There can be multiple ITS controllers per guest, each of them has to have
19 Base address in the guest physical address space of the GICv3 ITS
27 -ENODEV: Incorrect attribute or the ITS is not supported.
33 request the initialization of the ITS, no additional parameter in
37 reset the ITS, no additional parameter in kvm_device_attr.addr.
38 See "ITS Reset State" section.
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/Linux-v5.4/arch/mips/generic/
DPlatform16 its-y := vmlinux.its.S
17 its-$(CONFIG_FIT_IMAGE_FDT_BOSTON) += board-boston.its.S
18 its-$(CONFIG_FIT_IMAGE_FDT_NI169445) += board-ni169445.its.S
19 its-$(CONFIG_FIT_IMAGE_FDT_OCELOT) += board-ocelot.its.S
20 its-$(CONFIG_FIT_IMAGE_FDT_XILFPGA) += board-xilfpga.its.S
/Linux-v5.4/arch/mips/boot/
DMakefile115 targets += vmlinux.its.S
120 $(obj)/vmlinux.its.S: $(addprefix $(srctree)/arch/mips/$(PLATFORM)/,$(ITS_INPUTS)) FORCE
123 targets += vmlinux.its
124 targets += vmlinux.gz.its
125 targets += vmlinux.bz2.its
126 targets += vmlinux.lzmo.its
127 targets += vmlinux.lzo.its
129 quiet_cmd_cpp_its_S = ITS $@
139 $(obj)/vmlinux.its: $(obj)/vmlinux.its.S $(VMLINUX) FORCE
142 $(obj)/vmlinux.gz.its: $(obj)/vmlinux.its.S $(VMLINUX) FORCE
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/Linux-v5.4/tools/perf/pmu-events/arch/x86/knightslanding/
Dcache.json135 …t accounts for responses from a snoop request hit with data forwarded from its Far(not in the same…
146 …t accounts for responses from a snoop request hit with data forwarded from its Far(not in the same…
157 …t accounts for responses from a snoop request hit with data forwarded from its Near-other tile's L…
168 …t accounts for responses from a snoop request hit with data forwarded from its Near-other tile's L…
201 …t accounts for responses from a snoop request hit with data forwarded from its Far(not in the same…
212 …t accounts for responses from a snoop request hit with data forwarded from its Far(not in the same…
223 …t accounts for responses from a snoop request hit with data forwarded from its Near-other tile's L…
234 …t accounts for responses from a snoop request hit with data forwarded from its Near-other tile's L…
267 …t accounts for responses from a snoop request hit with data forwarded from its Far(not in the same…
278 …t accounts for responses from a snoop request hit with data forwarded from its Far(not in the same…
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/Linux-v5.4/arch/um/os-Linux/
Dtime.c55 struct itimerspec its; in os_timer_set_interval() local
57 its.it_value.tv_sec = nsecs / UM_NSEC_PER_SEC; in os_timer_set_interval()
58 its.it_value.tv_nsec = nsecs % UM_NSEC_PER_SEC; in os_timer_set_interval()
60 its.it_interval.tv_sec = nsecs / UM_NSEC_PER_SEC; in os_timer_set_interval()
61 its.it_interval.tv_nsec = nsecs % UM_NSEC_PER_SEC; in os_timer_set_interval()
63 if (timer_settime(event_high_res_timer, 0, &its, NULL) == -1) in os_timer_set_interval()
71 struct itimerspec its = { in os_timer_one_shot() local
79 timer_settime(event_high_res_timer, 0, &its, NULL); in os_timer_one_shot()
88 struct itimerspec its; in os_timer_disable() local
90 memset(&its, 0, sizeof(struct itimerspec)); in os_timer_disable()
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/Linux-v5.4/arch/arm/mach-imx/
DKconfig93 configurations for the board and its peripherals.
108 configurations for the board and its peripherals.
128 configurations for the board and its peripherals.
143 Include support for Visstrim_m10 platform and its different variants.
144 This includes specific configurations for the board and its
164 includes specific configurations for the module and its peripherals.
188 configurations for the board and its peripherals.
210 specific configurations for the board and its peripherals.
226 configurations for the board and its peripherals.
243 specific configurations for the board and its peripherals.
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/Linux-v5.4/drivers/acpi/arm64/
Diort.c153 * ITS ID and base address to the list from where we can get it back later on.
154 * @trans_id: ITS ID.
155 * @base: ITS base address.
181 * iort_deregister_domain_token() - Deregister domain token based on ITS ID
182 * @trans_id: ITS ID.
202 * iort_find_domain_token() - Find domain token based on given ITS ID
203 * @trans_id: ITS ID.
428 * Get the special ID mapping index (if any) and skip its in iort_node_map_id()
472 * optional step 2: map the initial dev id if its parent is not in iort_node_map_platform_id()
474 * as NC (named component) -> SMMU -> ITS. If the type is matched, in iort_node_map_platform_id()
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/Linux-v5.4/Documentation/power/
Druntime_pm.rst108 the helper functions described in Section 4 for the device until its status
113 mechanism allowing the device to request a change of its power state, such as
136 4 for the device, until its status is directly set to either 'active', or
148 idle callback with the device as its argument.
266 PM core as 'suspended', regardless of its real hardware status
319 then run pm_runtime_autosuspend(dev) and return its result
373 return its result
377 return its result
390 pm_request_idle(dev) and return its result
394 pm_request_autosuspend(dev) and return its result
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/Linux-v5.4/drivers/base/power/
Dcommon.c22 * its reference counter. Return 0 if new object has been created or refcount
47 /* kfree() verifies that its argument is nonzero. */ in dev_pm_get_subsys_data()
83 * dev_pm_domain_attach - Attach a device to its PM domain.
118 * dev_pm_domain_attach_by_id - Associate a device with one of its PM domains.
129 * in case its device requires power management through multiple PM domains. The
131 * towards its original device. Depending on the use-case and if needed, the
138 * Returns the virtual created device when successfully attached to its PM
154 * dev_pm_domain_attach_by_name - Associate a device with one of its PM domains.
171 * dev_pm_domain_detach - Detach a device from its PM domain.
176 * dev_pm_domain_attach_by_id(), thus it detaches @dev from its PM domain.
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/Linux-v5.4/Documentation/devicetree/bindings/interrupt-controller/
Darm,gic-v3.yaml161 "^gic-its@": false
164 "^(msi-controller|gic-its|interrupt-controller)@[0-9a-f]+$":
167 GICv3 has one or more Interrupt Translation Services (ITS) that are
171 const: arm,gic-v3-its
183 Specifies the base physical address and size of the ITS registers.
186 socionext,synquacer-pre-its:
189 address and size of the pre-ITS window.
226 compatible = "arm,gic-v3-its";
251 compatible = "arm,gic-v3-its";
258 compatible = "arm,gic-v3-its";
/Linux-v5.4/Documentation/admin-guide/
Dkernel-per-CPU-kthreads.rst43 To reduce its OS jitter, do any of the following:
52 3. Rework the eHCA driver so that its per-CPU kthreads are
62 To reduce its OS jitter, do the following:
73 To reduce its OS jitter, do one of the following:
87 To reduce its OS jitter, each softirq vector must be handled
166 interrupts that the de-jittered CPU receives, minimizing its
208 2. Enable RCU to do its processing remotely via dyntick-idle by
228 To reduce its OS jitter, do any of the following:
242 to remove it, even if its addition was a mistake.
248 use of each CPU's workqueues to run its cache_reap()
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Dcgroup-v2.rst148 is no longer referenced in its current hierarchy. Because per-cgroup
208 A process can be migrated into a cgroup by writing its PID to the
259 Marking a cgroup threaded makes it join the resource domain of its
310 A domain cgroup is turned into a threaded domain when one of its child
321 threaded domain, its operations are confined inside each threaded
335 threads in the cgroup and its descendants. All consumptions which
340 between threads in a non-leaf cgroup and its child cgroups. Each
349 live processes in it. Its value is 0 if there is no live process in
350 the cgroup and its descendants; otherwise, 1. poll and [id]notify
390 the target resource across its immediate children will be controlled.
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/Linux-v5.4/Documentation/admin-guide/cgroup-v1/
Dcpusets.rst55 include CPUs in its CPU affinity mask, and using the mbind(2) and
56 set_mempolicy(2) system calls to include Memory Nodes in its memory
59 schedule a task on a CPU that is not allowed in its cpus_allowed
143 - in fork and exit, to attach and detach a task from its cpuset.
189 command. The properties of a cpuset, such as its flags, allowed
209 - Its CPUs and Memory Nodes must be a subset of its parents.
210 - It can't be marked exclusive unless its parent is.
211 - If its cpu or memory is exclusive, they may not overlap any sibling.
240 isolating each job's user allocation in its own cpuset. To do this,
385 The algorithmic cost of load balancing and its impact on key shared
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/Linux-v5.4/drivers/clk/sunxi-ng/
Dccu_phase.c29 /* Get our parent clock, it's the one that can adjust its rate */ in ccu_phase_get_phase()
34 /* And its rate */ in ccu_phase_get_phase()
44 /* And its rate */ in ccu_phase_get_phase()
65 /* Get our parent clock, it's the one that can adjust its rate */ in ccu_phase_set_phase()
70 /* And its rate */ in ccu_phase_set_phase()
80 /* And its rate */ in ccu_phase_set_phase()
/Linux-v5.4/arch/sh/boards/mach-dreamcast/
Dirq.c24 * triggered, its corresponding bit in the Event Status Registers (ESRs)
62 /* Disable the hardware event by masking its bit in its EMR */
74 /* Enable the hardware event by setting its bit in its EMR */
86 /* Acknowledge a hardware event by writing its bit back to its ESR */
/Linux-v5.4/arch/sh/kernel/
Dptrace.c5 * regs_query_register_offset() - query register offset from its name
9 * pt_regs from its name. If the name is invalid, this returns -EINVAL;
21 * regs_query_register_name() - query register name from its offset
24 * regs_query_register_name() returns the name of a register from its
/Linux-v5.4/drivers/usb/core/
Dof.c19 * Look up the node of a USB device given its parent hub device and one-based
47 * shared with its sole interface. This is the case if and only if the device
48 * has a node and its decriptors report the following:
54 * Return: True iff the device has a device node and its descriptors match the
85 * Look up the node of a USB interface given its USB device, configuration
/Linux-v5.4/Documentation/filesystems/nfs/
Dfault_injection.txt8 observe how the client reacts and if it manages to recover its state correctly.
42 its files.
46 Clearing this list will force the client to reclaim its locks (files are
52 force the client to reacquire its delegation before accessing the file
57 access a file. This test will notify the client that its delegation has
/Linux-v5.4/Documentation/filesystems/
Dsharedsubtree.txt20 A process wants to clone its own namespace, but still wants to access the CD
121 This is the mount we are familiar with. Its the default type.
152 A) A process wants to clone its own namespace, but still wants to
169 B) A process wants its mounts invisible to any other process, but
180 of its namespace as slave
261 /mnt or /tmp reflect in all the other mounts of its peer
284 has its own peer group too. This vfsmount receives propagation
285 events from its master vfsmount, and also forwards propagation
286 events to its 'peer group' and to its slave vfsmounts.
288 Strictly speaking, the vfsmount is shared having its own
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/Linux-v5.4/Documentation/hwmon/
Dibmpowernv.rst19 sensor type and its attribute data.
46 disable/enable all of its temperature sensors.
59 disable/enable all of its voltage sensors.
70 disable/enable all of its power sensors.
81 disable/enable all of its current sensors.

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