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/openbmc/linux/drivers/cpufreq/
H A Dcpufreq.c82 static unsigned int __cpufreq_get(struct cpufreq_policy *policy);
83 static int cpufreq_init_governor(struct cpufreq_policy *policy);
84 static void cpufreq_exit_governor(struct cpufreq_policy *policy);
85 static void cpufreq_governor_limits(struct cpufreq_policy *policy);
86 static int cpufreq_set_policy(struct cpufreq_policy *policy,
92 * Two notifier lists: the "policy" list is involved in the
93 * validation process for a new CPU frequency policy; the
120 struct kobject *get_governor_parent_kobj(struct cpufreq_policy *policy) in get_governor_parent_kobj() argument
123 return &policy->kobj; in get_governor_parent_kobj()
172 * - policy->cpus with all possible CPUs
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H A Dcpufreq_userspace.c23 * @policy: pointer to policy struct where freq is being set
28 static int cpufreq_set(struct cpufreq_policy *policy, unsigned int freq) in cpufreq_set() argument
31 unsigned int *setspeed = policy->governor_data; in cpufreq_set()
33 pr_debug("cpufreq_set for cpu %u, freq %u kHz\n", policy->cpu, freq); in cpufreq_set()
36 if (!per_cpu(cpu_is_managed, policy->cpu)) in cpufreq_set()
41 ret = __cpufreq_driver_target(policy, freq, CPUFREQ_RELATION_L); in cpufreq_set()
47 static ssize_t show_speed(struct cpufreq_policy *policy, char *buf) in show_speed() argument
49 return sprintf(buf, "%u\n", policy->cur); in show_speed()
52 static int cpufreq_userspace_policy_init(struct cpufreq_policy *policy) in cpufreq_userspace_policy_init() argument
60 policy->governor_data = setspeed; in cpufreq_userspace_policy_init()
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H A Dfreq_table.c17 bool policy_has_boost_freq(struct cpufreq_policy *policy) in policy_has_boost_freq() argument
19 struct cpufreq_frequency_table *pos, *table = policy->freq_table; in policy_has_boost_freq()
32 int cpufreq_frequency_table_cpuinfo(struct cpufreq_policy *policy, in cpufreq_frequency_table_cpuinfo() argument
43 if ((!cpufreq_boost_enabled() || !policy->boost_enabled) in cpufreq_frequency_table_cpuinfo()
54 policy->min = policy->cpuinfo.min_freq = min_freq; in cpufreq_frequency_table_cpuinfo()
55 policy->max = max_freq; in cpufreq_frequency_table_cpuinfo()
60 if (policy->cpuinfo.max_freq < max_freq) in cpufreq_frequency_table_cpuinfo()
61 policy->max = policy->cpuinfo.max_freq = max_freq; in cpufreq_frequency_table_cpuinfo()
63 if (policy->min == ~0) in cpufreq_frequency_table_cpuinfo()
69 int cpufreq_frequency_table_verify(struct cpufreq_policy_data *policy, in cpufreq_frequency_table_verify() argument
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H A Dcppc_cpufreq.c160 static void cppc_cpufreq_cpu_fie_init(struct cpufreq_policy *policy) in cppc_cpufreq_cpu_fie_init() argument
168 for_each_cpu(cpu, policy->cpus) { in cppc_cpufreq_cpu_fie_init()
171 cppc_fi->cpu_data = policy->driver_data; in cppc_cpufreq_cpu_fie_init()
190 topology_set_scale_freq_source(&cppc_sftd, policy->cpus); in cppc_cpufreq_cpu_fie_init()
194 * We free all the resources on policy's removal and not on CPU removal as the
199 * We just need to make sure to remove them all on policy->exit().
201 static void cppc_cpufreq_cpu_fie_exit(struct cpufreq_policy *policy) in cppc_cpufreq_cpu_fie_exit() argument
209 /* policy->cpus will be empty here, use related_cpus instead */ in cppc_cpufreq_cpu_fie_exit()
210 topology_clear_scale_freq_source(SCALE_FREQ_SOURCE_CPPC, policy->related_cpus); in cppc_cpufreq_cpu_fie_exit()
212 for_each_cpu(cpu, policy->related_cpus) { in cppc_cpufreq_cpu_fie_exit()
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H A Dsh-cpufreq.c33 struct cpufreq_policy *policy; member
45 struct cpufreq_policy *policy = target->policy; in __sh_cpufreq_target() local
46 int cpu = policy->cpu; in __sh_cpufreq_target()
60 if (freq < (policy->min * 1000) || freq > (policy->max * 1000)) in __sh_cpufreq_target()
69 cpufreq_freq_transition_begin(target->policy, &freqs); in __sh_cpufreq_target()
71 cpufreq_freq_transition_end(target->policy, &freqs, 0); in __sh_cpufreq_target()
80 static int sh_cpufreq_target(struct cpufreq_policy *policy, in sh_cpufreq_target() argument
84 struct cpufreq_target data = { .policy = policy, .freq = target_freq }; in sh_cpufreq_target()
86 return work_on_cpu(policy->cpu, __sh_cpufreq_target, &data); in sh_cpufreq_target()
89 static int sh_cpufreq_verify(struct cpufreq_policy_data *policy) in sh_cpufreq_verify() argument
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H A Damd-pstate.c247 if (epp > 0 && cpudata->policy == CPUFREQ_POLICY_PERFORMANCE) { in amd_pstate_set_energy_pref_index()
248 pr_debug("EPP cannot be set under performance policy\n"); in amd_pstate_set_energy_pref_index()
495 static int amd_pstate_verify(struct cpufreq_policy_data *policy) in amd_pstate_verify() argument
497 cpufreq_verify_within_cpu_limits(policy); in amd_pstate_verify()
502 static int amd_pstate_update_min_max_limit(struct cpufreq_policy *policy) in amd_pstate_update_min_max_limit() argument
505 struct amd_cpudata *cpudata = policy->driver_data; in amd_pstate_update_min_max_limit()
507 max_limit_perf = div_u64(policy->max * cpudata->highest_perf, cpudata->max_freq); in amd_pstate_update_min_max_limit()
508 min_limit_perf = div_u64(policy->min * cpudata->highest_perf, cpudata->max_freq); in amd_pstate_update_min_max_limit()
512 WRITE_ONCE(cpudata->max_limit_freq, policy->max); in amd_pstate_update_min_max_limit()
513 WRITE_ONCE(cpudata->min_limit_freq, policy->min); in amd_pstate_update_min_max_limit()
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H A Dlongrun.c29 * longrun_get_policy - get the current LongRun policy
30 * @policy: struct cpufreq_policy where current policy is written into
32 * Reads the current LongRun policy by access to MSR_TMTA_LONGRUN_FLAGS
35 static void longrun_get_policy(struct cpufreq_policy *policy) in longrun_get_policy() argument
42 policy->policy = CPUFREQ_POLICY_PERFORMANCE; in longrun_get_policy()
44 policy->policy = CPUFREQ_POLICY_POWERSAVE; in longrun_get_policy()
53 policy->min = policy->max = longrun_high_freq; in longrun_get_policy()
55 policy->min = longrun_low_freq + msr_lo * in longrun_get_policy()
57 policy->max = longrun_low_freq + msr_hi * in longrun_get_policy()
60 policy->cpu = 0; in longrun_get_policy()
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H A Dacpi-cpufreq.c136 static int set_boost(struct cpufreq_policy *policy, int val) in set_boost() argument
138 on_each_cpu_mask(policy->cpus, boost_set_msr_each, in set_boost()
141 cpumask_pr_args(policy->cpus), str_enabled_disabled(val)); in set_boost()
146 static ssize_t show_freqdomain_cpus(struct cpufreq_policy *policy, char *buf) in show_freqdomain_cpus() argument
148 struct acpi_cpufreq_data *data = policy->driver_data; in show_freqdomain_cpus()
159 static ssize_t store_cpb(struct cpufreq_policy *policy, const char *buf, in store_cpb() argument
173 set_boost(policy, val); in store_cpb()
179 static ssize_t show_cpb(struct cpufreq_policy *policy, char *buf) in show_cpb() argument
201 static unsigned extract_io(struct cpufreq_policy *policy, u32 value) in extract_io() argument
203 struct acpi_cpufreq_data *data = policy->driver_data; in extract_io()
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H A Dqcom-cpufreq-hw.c57 struct cpufreq_policy *policy; member
71 static int qcom_cpufreq_set_bw(struct cpufreq_policy *policy, in qcom_cpufreq_set_bw() argument
79 dev = get_cpu_device(policy->cpu); in qcom_cpufreq_set_bw()
112 static int qcom_cpufreq_hw_target_index(struct cpufreq_policy *policy, in qcom_cpufreq_hw_target_index() argument
115 struct qcom_cpufreq_data *data = policy->driver_data; in qcom_cpufreq_hw_target_index()
117 unsigned long freq = policy->freq_table[index].frequency; in qcom_cpufreq_hw_target_index()
123 for (i = 1; i < cpumask_weight(policy->related_cpus); i++) in qcom_cpufreq_hw_target_index()
127 qcom_cpufreq_set_bw(policy, freq); in qcom_cpufreq_hw_target_index()
149 struct cpufreq_policy *policy; in qcom_cpufreq_get_freq() local
152 policy = cpufreq_cpu_get_raw(cpu); in qcom_cpufreq_get_freq()
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/openbmc/linux/Documentation/admin-guide/mm/
H A Dnuma_memory_policy.rst2 NUMA Memory Policy
5 What is NUMA Memory Policy?
8 In the Linux kernel, "memory policy" determines from which node the kernel will
11 The current memory policy support was added to Linux 2.6 around May 2004. This
12 document attempts to describe the concepts and APIs of the 2.6 memory policy
24 Memory Policy Concepts
30 The Linux kernel supports _scopes_ of memory policy, described here from
33 System Default Policy
34 this policy is "hard coded" into the kernel. It is the policy
36 one of the more specific policy scopes discussed below. When
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/openbmc/linux/fs/crypto/
H A Dpolicy.c3 * Encryption policy functions for per-file encryption support.
10 * Modified by Eric Biggers, 2019 for v2 policy support.
22 * @policy1: the first policy
23 * @policy2: the second policy
36 int fscrypt_policy_to_key_spec(const union fscrypt_policy *policy, in fscrypt_policy_to_key_spec() argument
39 switch (policy->version) { in fscrypt_policy_to_key_spec()
42 memcpy(key_spec->u.descriptor, policy->v1.master_key_descriptor, in fscrypt_policy_to_key_spec()
47 memcpy(key_spec->u.identifier, policy->v2.master_key_identifier, in fscrypt_policy_to_key_spec()
120 static bool supported_iv_ino_lblk_policy(const struct fscrypt_policy_v2 *policy, in supported_iv_ino_lblk_policy() argument
135 if (policy->contents_encryption_mode != FSCRYPT_MODE_AES_256_XTS) { in supported_iv_ino_lblk_policy()
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/openbmc/ibm-logging/test/
H A Dtest_policy.cpp211 jsonFile = jsonDir / "policy.json"; in SetUp()
227 * Test finding entries in the policy table
231 policy::Table policy{jsonFile}; in TEST_F() local
232 ASSERT_EQ(policy.isLoaded(), true); in TEST_F()
239 auto details = policy.find(err, mod); in TEST_F()
250 details = policy.find(err, mod); in TEST_F()
258 details = policy.find(err, mod); in TEST_F()
268 * Test policy::find() that uses the data from a property
269 * map to find entries in the policy table.
275 policy::Table policy{jsonFile}; in TEST_F() local
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/openbmc/openbmc-test-automation/redfish/extended/
H A Dtest_power_restore.robot2 Documentation This suite verifies the power restore policy supported by
26 Test Restore Policy ALWAYS_POWER_OFF With Host Off
27 [Documentation] Validate ALWAYS_POWER_OFF restore policy functionality.
28 ... Policy:
29 ... System policy set to ALWAYS_POWER_OFF.
37 [Template] Verify Restore Policy
39 # Policy Initial Host State Expected Host State
44 Test Restore Policy ALWAYS_POWER_OFF With Host Running
45 … [Documentation] Verify that the BMC restore policy is ALWAYS_POWER_OFF while the Host is running.
47 [Template] Verify Restore Policy
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/openbmc/linux/include/linux/
H A Dcpufreq.h63 unsigned int cpu; /* cpu managing this policy, must be online */
74 unsigned int policy; /* see above */ member
75 unsigned int last_policy; /* policy before unplug */
96 * - Any routine that wants to read from the policy structure will
98 * - Any routine that will write to the policy structure and/or may take away
99 * the policy altogether (eg. CPU hotplug), will hold this lock in write
108 * policy and that the change will affect all of the policy CPUs then.
130 * the driver to set the frequency for this policy. To be set by the
144 /* Per policy boost enabled flag. */
171 * Used for passing new cpufreq policy data to the cpufreq driver's ->verify()
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/openbmc/linux/net/netlink/
H A Dpolicy.c3 * NETLINK Policy advertisement to userspace
22 const struct nla_policy *policy; member
28 const struct nla_policy *policy, in add_policy() argument
34 if (!policy || !maxtype) in add_policy()
38 if (state->policies[i].policy == policy && in add_policy()
42 if (!state->policies[i].policy) { in add_policy()
43 state->policies[i].policy = policy; in add_policy()
58 state->policies[state->n_alloc].policy = policy; in add_policy()
67 * netlink_policy_dump_get_policy_idx - retrieve policy index
68 * @state: the policy dump state
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/openbmc/linux/tools/perf/Documentation/
H A Dsecurity.txt13 Targeted policy with perf_event_open() access control capabilities:
15 1. Download selinux-policy SRPM package (e.g. selinux-policy-3.14.4-48.fc31.src.rpm on FC31)
18 # rpm -Uhv selinux-policy-3.14.4-48.fc31.src.rpm
22 # rpmbuild -bp selinux-policy.spec
24 3. Place patch below at rpmbuild/BUILD/selinux-policy-b86eaaf4dbcf2d51dd4432df7185c0eaf3cbcc02
27 # patch -p1 < selinux-policy-perf-events-perfmon.patch
28 patching file policy/flask/access_vectors
29 patching file policy/flask/security_classes
30 # cat selinux-policy-perf-events-perfmon.patch
31 diff -Nura a/policy/flask/access_vectors b/policy/flask/access_vectors
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/openbmc/openbmc/meta-security/recipes-ids/tripwire/files/
H A Dtripwire.txt2 …ou through the processes of setting passphrases and signing the Tripwire policy and configuration …
7 5. Edit the policy file (twpol.txt) with a text editor, if desired.
9 …If you plan to modify the policy file, we recommend you do so before running the configuration scr…
11 Modifying the Policy File
12 …policy file (twpol.txt). A default policy file is included in the Tripwire software installation. …
14 …policy file at /etc/tripwire/twpol.txt. An example policy file (located at /usr/doc/tripwire-VE…
16 …policy file, follow the Post-Installation Instructions (run the configuration script). This script…
22 … the site key, which is used to sign Tripwire software configuration and policy files. Assign a un…
27 …ftware builds a database of filesystem objects based on the rules in the policy file. This databas…
43 Updating the Policy File
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/openbmc/qemu/tests/unit/
H A Dptimer-test.c68 const uint8_t *policy = arg; in check_set_count() local
69 ptimer_state *ptimer = ptimer_init(ptimer_trigger, NULL, *policy); in check_set_count()
83 const uint8_t *policy = arg; in check_set_limit() local
84 ptimer_state *ptimer = ptimer_init(ptimer_trigger, NULL, *policy); in check_set_limit()
106 const uint8_t *policy = arg; in check_oneshot() local
107 ptimer_state *ptimer = ptimer_init(ptimer_trigger, NULL, *policy); in check_oneshot()
108 bool no_round_down = (*policy & PTIMER_POLICY_NO_COUNTER_ROUND_DOWN); in check_oneshot()
224 const uint8_t *policy = arg; in check_periodic() local
225 ptimer_state *ptimer = ptimer_init(ptimer_trigger, NULL, *policy); in check_periodic()
226 bool wrap_policy = (*policy & PTIMER_POLICY_WRAP_AFTER_ONE_PERIOD); in check_periodic()
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/openbmc/linux/drivers/hwtracing/stm/
H A Dpolicy.c3 * System Trace Module (STM) master/channel allocation policy management
6 * A master/channel allocation policy allows mapping string identifiers to
21 * STP Master/Channel allocation policy configfs layout.
31 struct stp_policy *policy; member
110 stm = policy_node->policy->stm; in stp_policy_node_masters_store()
157 stm = policy_node->policy->stm; in stp_policy_node_channels_store()
228 struct stp_policy *policy; in stp_policy_node_make() local
231 policy = container_of(group, struct stp_policy, group); in stp_policy_node_make()
235 policy = parent_node->policy; in stp_policy_node_make()
238 if (!policy->stm) in stp_policy_node_make()
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/openbmc/linux/Documentation/cpu-freq/
H A Dcpu-drivers.rst48 .init - A pointer to the per-policy initialization function.
68 .exit - A pointer to a per-policy cleanup function called during
71 .suspend - A pointer to a per-policy suspend function which is called
73 policy.
75 .resume - A pointer to a per-policy resume function which is called
78 .ready - A pointer to a per-policy ready function which is called after
79 the policy is fully initialized.
86 .set_boost - A pointer to a per-policy function to enable/disable boost
94 cpufreq driver registers itself, the per-policy initialization function
95 cpufreq_driver.init is called if no cpufreq policy existed for the CPU.
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/openbmc/linux/security/apparmor/
H A DKconfig48 bool "Allow loaded policy to be introspected"
52 This option selects whether introspection of loaded policy
55 of loaded policy, and check point and restore support. It
66 This option selects whether introspection of loaded policy
69 checking loaded policy. This option adds to policy load
73 bool "Enable policy hash introspection by default"
77 This option selects whether sha1 hashing of loaded policy
79 loaded policy provide system administrators a quick way
80 to verify that policy in the kernel matches what is expected,
81 however it can slow down policy load on some devices. In
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/openbmc/linux/Documentation/ABI/testing/
H A Dconfigfs-stp-policy1 What: /config/stp-policy
9 What: /config/stp-policy/<device>.<policy>
13 This group is the root of a policy; its name is a concatenation
14 of an stm device name to which this policy applies and an
17 has a policy assigned to it, mkdir will fail with EBUSY.
19 What: /config/stp-policy/<device>.<policy>/device
23 STM device to which this policy applies, read only. Same as the
26 What: /config/stp-policy/<device>.<policy>/<node>
30 Policy node is a string identifier that software clients will
34 What: /config/stp-policy/<device>.<policy>/<node>/masters
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/openbmc/phosphor-fan-presence/presence/
H A Drpolicy.hpp17 * @brief Redundancy policy interface.
23 * The redundancy policy encapsulates the logic to aggregate those
36 * @brief Construct a new Redundancy Policy.
38 * @param[in] fan - The fan associated with this policy.
51 * the inventory and execute their policy logic.
79 * @brief Policy association.
81 * PolicyAccess can be used to associate a redundancy policy
84 * Wrap the type to be associated with a policy with PolicyAccess.
86 * @tparam T - The type to associate with a redundancy policy.
87 * @tparam Policy - An array type where the policy is stored.
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/openbmc/linux/Documentation/admin-guide/pm/
H A Dcpufreq.rst85 ``CPUFreq`` Policy Objects
104 of its user space interface is based on the policy concept.
129 Once invoked, the ``CPUFreq`` core checks if the policy pointer is already set
130 for the given CPU and if so, it skips the policy object creation. Otherwise,
131 a new policy object is created and initialized, which involves the creation of
132 a new policy directory in ``sysfs``, and the policy pointer corresponding to
133 the given CPU is set to the new policy object's address in memory.
135 Next, the scaling driver's ``->init()`` callback is invoked with the policy
139 to, represented by its policy object) and, if the policy object it has been
140 called for is new, to set parameters of the policy, like the minimum and maximum
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/openbmc/linux/tools/testing/selftests/net/
H A Dxfrm_policy.sh4 # Check xfrm policy resolution. Topology:
15 # ns1: ping 10.0.1.253: passes via ipsec tunnel (direct policy)
16 # ns2: ping 10.0.2.253: passes via ipsec tunnel (direct policy)
39 …ip -net $ns xfrm policy add src $lnet dst $rnet dir out tmpl src $me dst $remote proto esp mode tu…
41 …ip -net $ns xfrm policy add src $rnet dst $lnet dir fwd tmpl src $remote dst $me proto esp mode tu…
65 # Adding a policy for '10.0.1.0/23' will make it necessary to
75 # adds new nodes to tree (neither network exists yet in policy database).
76 ip -net $ns xfrm policy add src 10.1.0.0/24 dst 10.0.0.0/24 dir fwd priority 200 action block
79 ip -net $ns xfrm policy add src 10.2.0.0/24 dst 10.0.0.0/24 dir fwd priority 200 action block
82 ip -net $ns xfrm policy add src 10.2.0.0/23 dst 10.0.1.0/24 dir fwd priority 200 action block
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