| /linux/security/keys/ |
| H A D | persistent.c | 2 /* General persistent per-UID keyrings register
16 * Create the persistent keyring register for the current user namespace.
36 * Create the persistent keyring for the specified user.
43 struct key *persistent; in key_create_persistent() local
57 persistent = keyring_alloc(index_key->description, in key_create_persistent()
63 if (IS_ERR(persistent)) in key_create_persistent()
64 return ERR_CAST(persistent); in key_create_persistent()
66 return make_key_ref(persistent, true); in key_create_persistent()
70 * Get the persistent keyring for a specific UID and link it to the nominated
77 struct key *persistent; in key_get_persistent() local
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| /linux/drivers/nvdimm/ |
| H A D | Kconfig | 12 bus is registered to advertise PMEM (persistent memory)
20 tristate "PMEM: Persistent memory block device support"
32 these persistent memory ranges into block devices that are
50 update semantics for persistent memory devices, so that
63 bool "PFN: Map persistent (device) memory"
68 Map persistent memory, i.e. advertise it to the memory
69 management sub-system. By default persistent memory does
78 bool "NVDIMM DAX: Raw access to persistent memory"
82 Support raw device dax access to a persistent memory
84 persistent memory, this capability provides a mechanism to
[all …]
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| /linux/tools/testing/selftests/pidfd/ |
| H A D | pidfd_xattr_test.c | 103 …ret = fsetxattr(self->child_pidfd, "trusted.persistent", "persistent value", strlen("persistent va… in TEST_F()
107 ret = fgetxattr(self->child_pidfd, "trusted.persistent", buf, sizeof(buf)); in TEST_F()
108 ASSERT_EQ(ret, strlen("persistent value")); in TEST_F()
109 ASSERT_EQ(strcmp(buf, "persistent value"), 0); in TEST_F()
113 ASSERT_EQ(strcmp(list, "trusted.persistent"), 0) in TEST_F()
123 ret = fgetxattr(self->child_pidfd, "trusted.persistent", buf, sizeof(buf)); in TEST_F()
124 ASSERT_EQ(ret, strlen("persistent value")); in TEST_F()
125 ASSERT_EQ(strcmp(buf, "persistent value"), 0); in TEST_F()
129 ASSERT_EQ(strcmp(list, "trusted.persistent"), 0); in TEST_F()
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| /linux/Documentation/devicetree/bindings/pmem/ |
| H A D | pmem-region.yaml | 10 title: Persistent Memory Regions
13 Persistent memory refers to a class of memory devices that are:
18 Given b) it is best to think of persistent memory as a kind of memory mapped
20 persistent regions separately to the normal memory pool. To aid with that this
21 binding provides a standardised interface for discovering where persistent
33 Indicates the region is volatile (non-persistent) and the OS can skip
|
| /linux/drivers/target/ |
| H A D | target_core_pr.c | 5 * This file contains SPC-3 compliant persistent reservations and
137 * persistent reservation shall not be changed, if the command in target_check_scsi2_reservation_conflict()
141 * status, but the persistent reservation shall not be released, in target_check_scsi2_reservation_conflict()
144 * a) An I_T nexus that is a persistent reservation holder; or in target_check_scsi2_reservation_conflict()
146 * all registrants type persistent reservation is present. in target_check_scsi2_reservation_conflict()
169 * If a logical unit has executed a PERSISTENT RESERVE OUT in target_check_scsi2_reservation_conflict()
307 * Begin SPC-3/SPC-4 Persistent Reservations emulation support
344 * Some commands are only allowed for the persistent reservation in core_scsi3_pr_seq_non_holder()
1241 * e) If the I_T nexus is the persistent reservation holder in core_scsi3_check_implicit_release()
1242 * and the persistent reservation is not an all registrants in core_scsi3_check_implicit_release()
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| /linux/Documentation/admin-guide/device-mapper/ |
| H A D | snapshot.rst | 34 - snapshot <origin> <COW device> <persistent?> <chunksize>
45 <persistent?> is P (Persistent) or N (Not persistent - will not survive
46 after reboot). O (Overflow) can be added as a persistent store option
50 The difference between persistent and transient is with transient
73 - snapshot-merge <origin> <COW device> <persistent> <chunksize>
77 works with persistent snapshots. This target assumes the role of the
|
| H A D | writecache.rst | 5 The writecache target caches writes on persistent memory or on SSD. It
15 - p - persistent memory
45 applicable only to persistent memory - use the FUA flag
46 when writing data from persistent memory back to the
49 applicable only to persistent memory - don't use the FUA
|
| H A D | persistent-data.rst | 2 Persistent data
20 The persistent-data library is an attempt to provide a re-usable
29 under drivers/md/persistent-data.
40 Clients of persistent-data are unlikely to use this directly.
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| /linux/drivers/scsi/ |
| H A D | constants.c | 71 /* 5c-5f */ "Read buffer capacity", "Send cue sheet", "Persistent reserve in",
72 "Persistent reserve out",
160 {0x0, "Persistent reserve in, read keys"},
161 {0x1, "Persistent reserve in, read reservation"},
162 {0x2, "Persistent reserve in, report capabilities"},
163 {0x3, "Persistent reserve in, read full status"},
168 {0x0, "Persistent reserve out, register"},
169 {0x1, "Persistent reserve out, reserve"},
170 {0x2, "Persistent reserve out, release"},
171 {0x3, "Persistent reserve out, clear"},
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| /linux/fs/pstore/ |
| H A D | Kconfig | 3 tristate "Persistent store support"
7 persistent storage via "pstore" filesystem that can
11 (or "M") to a platform specific persistent store driver
13 If you don't have a platform persistent store driver,
56 bool "Persistent function tracer"
61 With this option kernel traces function calls into a persistent
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| /linux/Documentation/block/ |
| H A D | pr.rst | 2 Block layer support for Persistent Reservations
6 Persistent Reservations which map to block devices that support
7 these (like SCSI). Persistent Reservations allow restricting
14 "PERSISTENT RESERVE IN" and "PERSISTENT RESERVE OUT" commands.
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| /linux/include/uapi/linux/ |
| H A D | ip_vs.h | 21 #define IP_VS_SVC_F_PERSISTENT 0x0001 /* persistent port */
148 unsigned int timeout; /* persistent timeout in sec */
149 __be32 netmask; /* persistent netmask */
210 unsigned int timeout; /* persistent timeout */
211 __be32 netmask; /* persistent netmask */
232 __u32 persistconns; /* persistent connections */
362 IPVS_SVC_ATTR_TIMEOUT, /* persistent timeout */
363 IPVS_SVC_ATTR_NETMASK, /* persistent netmask */
394 IPVS_DEST_ATTR_PERSIST_CONNS, /* persistent connections */
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| /linux/Documentation/networking/ |
| H A D | net_failover.rst | 48 <teaming type='persistent'/>
56 <teaming type='transient' persistent='ua-backup0'/>
60 interface and this acts as the 'persistent' device indicating that this
62 required attribute type having value 'persistent'. The link state for the
69 periodically be unplugged. A second attribute - 'persistent' is provided and
132 <teaming type='transient' persistent='ua-backup0'/>
162 virsh migrate --live --persistent $DOMAIN qemu+ssh://$REMOTE_HOST/system
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| /linux/drivers/cxl/ |
| H A D | Kconfig | 29 this class code provide support for volatile and / or persistent
74 hierarchy to map regions that represent System RAM, or Persistent
80 tristate "CXL PMEM: Persistent Memory Support"
85 support for persistent memory attached via CXL. This support is
88 provisioning the persistent memory capacity of CXL memory expanders.
97 RAM" and/or "Persistent Memory" that is fully coherent as if the
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| /linux/arch/powerpc/platforms/pseries/ |
| H A D | pmem.c | 4 * Handles hot and cold plug of persistent memory regions on pseries.
112 pmem_node = of_find_node_by_type(NULL, "ibm,persistent-memory"); in dlpar_hp_pmem()
142 { .type = "ibm,persistent-memory", },
154 pmem_node = of_find_node_by_type(NULL, "ibm,persistent-memory"); in pseries_pmem_init()
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| /linux/drivers/md/ |
| H A D | dm-exception-store.c | 200 char persistent; in dm_exception_store_create() local
213 persistent = toupper(*argv[0]); in dm_exception_store_create()
214 if (persistent == 'P') in dm_exception_store_create()
216 else if (persistent == 'N') in dm_exception_store_create()
275 DMERR("Unable to register persistent exception store type"); in dm_exception_store_init()
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| /linux/tools/testing/selftests/powerpc/tm/ |
| H A D | tm.h | 41 * Bit 7 (Failure Persistent) and Bit 15 (Implementation-specific).
48 * Per the ISA, the Failure Persistent bit may be incorrect. Try a few in htm_is_synthetic()
51 * should not be persistent. in htm_is_synthetic()
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| /linux/drivers/gpio/ |
| H A D | gpio-arizona.c | 30 bool persistent = gpiochip_line_is_persistent(chip, offset); in arizona_gpio_direction_in() local
41 if (change && persistent) { in arizona_gpio_direction_in()
98 bool persistent = gpiochip_line_is_persistent(chip, offset); in arizona_gpio_direction_out() local
106 if ((val & ARIZONA_GPN_DIR) && persistent) { in arizona_gpio_direction_out()
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| /linux/drivers/md/persistent-data/ |
| H A D | Makefile | 2 obj-$(CONFIG_DM_PERSISTENT_DATA) += dm-persistent-data.o
3 dm-persistent-data-objs := \
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| /linux/Documentation/driver-api/nvdimm/ |
| H A D | firmware-activate.rst | 7 Some persistent memory devices run a firmware locally on the device /
12 persistent memory platform implementation, described by the Intel ACPI
86 [1]: https://docs.pmem.io/persistent-memory/
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| /linux/Documentation/admin-guide/ |
| H A D | ramoops.rst | 13 needs a system with persistent RAM so that the content of that area can
54 Ramoops also supports software ECC protection of persistent memory regions.
155 Persistent function tracing
158 Persistent function tracing might be useful for debugging software or hardware
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| /linux/Documentation/ABI/testing/ |
| H A D | sysfs-driver-xen-blkback | 24 How long a persistent grant is allowed to remain
44 Whether to enable the persistent grants feature or not. Note
|
| H A D | sysfs-bus-cxl | 71 (RO) "Persistent Only Capacity" as bytes. Represents the
84 for the persistent partition of the CXL mem device. These
121 for persistent memory: 'locked', 'unlocked' or 'frozen'. This
134 whether it resides in persistent capacity, volatile capacity,
313 types. The 'cap_*' attributes indicate whether persistent
350 (persistent memory) range. The 'mode' attribute emits one of
425 of defining a new persistent, or volatile memory region
465 be set for persistent regions and it must not conflict with the
644 The count is persistent across power loss and wraps back to 0
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| /linux/drivers/pci/ |
| H A D | tph.c | 32 * @pm_st_valid: 8-bit ST for persistent memory is valid
33 * @pm_xst_valid: 16-bit extended ST for persistent memory is valid
35 * @pm_st: 8-bit ST for persistent mem
36 * @pm_xst: 16-bit extended ST for persistent mem
237 * @mem_type: target memory type (volatile or persistent RAM)
274 (mem_type == TPH_MEM_TYPE_VM) ? "volatile" : "persistent", in pcie_tph_get_cpu_st()
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| /linux/Documentation/driver-api/cxl/allocation/ |
| H A D | dax.rst | 8 CXL allocator, or to managed shared or persistent memory regions across multiple
11 If the capacity is shared across hosts or persistent, appropriate flushing
|