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/linux/drivers/char/tpm/
H A Dtpm2-space.c31 static void tpm2_flush_sessions(struct tpm_chip *chip, struct tpm_space *space) in tpm2_flush_sessions() argument
35 for (i = 0; i < ARRAY_SIZE(space->session_tbl); i++) { in tpm2_flush_sessions()
36 if (space->session_tbl[i]) in tpm2_flush_sessions()
37 tpm2_flush_context(chip, space->session_tbl[i]); in tpm2_flush_sessions()
41 int tpm2_init_space(struct tpm_space *space, unsigned int buf_size) in tpm2_init_space() argument
43 space->context_buf = kzalloc(buf_size, GFP_KERNEL); in tpm2_init_space()
44 if (!space->context_buf) in tpm2_init_space()
47 space->session_buf = kzalloc(buf_size, GFP_KERNEL); in tpm2_init_space()
48 if (space->session_buf == NULL) { in tpm2_init_space()
49 kfree(space in tpm2_init_space()
59 tpm2_del_space(struct tpm_chip * chip,struct tpm_space * space) tpm2_del_space() argument
169 struct tpm_space *space = &chip->work_space; tpm2_flush_space() local
184 struct tpm_space *space = &chip->work_space; tpm2_load_space() local
230 tpm2_map_to_phandle(struct tpm_space * space,void * handle) tpm2_map_to_phandle() argument
247 struct tpm_space *space = &chip->work_space; tpm2_map_command() local
272 tpm_find_and_validate_cc(struct tpm_chip * chip,struct tpm_space * space,const void * cmd,size_t len) tpm_find_and_validate_cc() argument
306 tpm2_prepare_space(struct tpm_chip * chip,struct tpm_space * space,u8 * cmd,size_t cmdsiz) tpm2_prepare_space() argument
346 struct tpm_space *space = &chip->work_space; tpm2_add_session() local
360 tpm2_map_to_vhandle(struct tpm_space * space,u32 phandle,bool alloc) tpm2_map_to_vhandle() argument
383 struct tpm_space *space = &chip->work_space; tpm2_map_response_header() local
443 struct tpm_space *space = &chip->work_space; tpm2_map_response_body() local
499 struct tpm_space *space = &chip->work_space; tpm2_save_space() local
540 tpm2_commit_space(struct tpm_chip * chip,struct tpm_space * space,void * buf,size_t * bufsiz) tpm2_commit_space() argument
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/linux/arch/s390/kvm/
H A Dgaccess.h109 * Copies a simple value from kernel space to a guest vcpu's lowcore.
132 * write_guest_lc - copy data from kernel space to guest vcpu's lowcore
135 * @data: source address in kernel space
138 * Copy data from kernel space to guest vcpu's lowcore. The entire range must
158 * read_guest_lc - copy data from guest vcpu's lowcore to kernel space
161 * @data: destination address in kernel space
164 * Copy data from guest vcpu's lowcore to kernel space. The entire range must
213 * write_guest_with_key - copy data from kernel space to guest space
217 * @data: source address in kernel space
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/linux/fs/btrfs/tests/
H A Dfree-space-tests.c10 #include "../free-space-cache.h"
17 * entry and remove space from either end and the middle, and make sure we can
18 * remove space that covers adjacent extent entries.
40 test_err("full remove left some lingering space"); in test_extents()
70 test_err("still have space at the front"); in test_extents()
75 test_err("still have space in the middle"); in test_extents()
80 test_err("still have space at the end"); in test_extents()
110 test_err("left some space in bitmap"); in test_bitmaps()
136 test_err("couldn't add space that straddles two bitmaps %d", in test_bitmaps()
143 test_err("couldn't remove overlapping space in test_bitmaps()
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/linux/fs/ubifs/
H A Dbudget.c13 * space management.
15 * Factors such as compression, wasted space at the ends of LEBs, space in other
17 * impossible to accurately predict the amount of space needed. Consequently
26 * When pessimistic budget calculations say that there is no enough space,
62 * This function runs garbage collector to make some more free space. Returns
70 /* Make some free space by garbage-collecting dirty space */ in run_gc()
100 * make_free_space - make more free space on the file-system.
104 * is supposedly no free space
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/linux/tools/perf/trace/beauty/tracepoints/
H A Dx86_msr.sh17 regex='^[[:space:]]*#[[:space:]]*define[[:space:]]+MSR_([[:alnum:]][[:alnum:]_]+)[[:space:]]+(0x00000[[:xdigit:]]+)[[:space:]]*.*'
24 regex='^[[:space:]]*#[[:space:]]*define[[:space:]]+MSR_([[:alnum:]][[:alnum:]_]+)[[:space:]]+(0xc0000[[:xdigit:]]+)[[:space
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/linux/arch/arm/mach-mv78xx0/
H A Dmv78xx0.h16 * c0000000 PCIe Memory space
17 * f0800000 PCIe #0 I/O space
18 * f0900000 PCIe #1 I/O space
19 * f0a00000 PCIe #2 I/O space
20 * f0b00000 PCIe #3 I/O space
21 * f0c00000 PCIe #4 I/O space
22 * f0d00000 PCIe #5 I/O space
23 * f0e00000 PCIe #6 I/O space
24 * f0f00000 PCIe #7 I/O space
29 * fee00000 f0800000 64K PCIe #0 I/O space
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/linux/tools/perf/trace/beauty/
H A Dvhost_virtio_ioctl.sh7 regex='^#[[:space:]]*define[[:space:]]+VHOST_(\w+)[[:space:]]+_IOW?\([[:space:]]*VHOST_VIRTIO[[:space:]]*,[[:space:]]*(0x[[:xdigit:]]+).*'
14 regex='^#[[:space:]]*define[[:space:]]+VHOST_(\w+)[[:space:]]+_IOW?R\([[:space
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/linux/Documentation/arch/x86/x86_64/
H A D5level-paging.rst10 space and 64 TiB of physical address space. We are already bumping into
17 It bumps the limits to 128 PiB of virtual address space and 4 PiB of
18 physical address space. This "ought to be enough for anybody" ©.
25 User-space and large virtual address space
27 On x86, 5-level paging enables 56-bit userspace virtual address space.
28 Not all user space is ready to handle wide addresses. It's known that
33 To mitigate this, we are not going to allocate virtual address space
36 But userspace can ask for allocation from full address space b
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/linux/include/linux/
H A Drio_drv.h46 * rio_local_read_config_32 - Read 32 bits from local configuration space
48 * @offset: Offset into local configuration space
52 * device's configuration space.
61 * rio_local_write_config_32 - Write 32 bits to local configuration space
63 * @offset: Offset into local configuration space
67 * device's configuration space.
76 * rio_local_read_config_16 - Read 16 bits from local configuration space
78 * @offset: Offset into local configuration space
82 * device's configuration space.
91 * rio_local_write_config_16 - Write 16 bits to local configuration space
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/linux/sound/core/
H A Dmemory.c15 * copy_to_user_fromio - copy data from mmio-space to user-space
16 * @dst: the destination pointer on user-space
20 * Copies the data from mmio-space to user-space.
37 * copy_to_iter_fromio - copy data from mmio-space to iov_iter
42 * Copies the data from mmio-space to iov_iter.
72 * copy_from_user_toio - copy data from user-space to mmio-space
73 * @dst: the destination pointer on mmio-space
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/linux/lib/
H A Diomap_copy.c10 * __iowrite32_copy - copy data to MMIO space, in 32-bit units
11 * @to: destination, in MMIO space (must be 32-bit aligned)
15 * Copy data from kernel space to MMIO space, in units of 32 bits at a
33 * __ioread32_copy - copy data from MMIO space, in 32-bit units
35 * @from: source, in MMIO space (must be 32-bit aligned)
38 * Copy data from MMIO space to kernel space, in units of 32 bits at a
54 * __iowrite64_copy - copy data to MMIO space, in 64-bit or 32-bit units
55 * @to: destination, in MMIO space (mus
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/linux/Documentation/arch/powerpc/
H A Dpci_iov_resource_on_powernv.rst57 - For DMA we then provide an entire address space for each PE that can
63 - For MSIs, we have two windows in the address space (one at the top of
64 the 32-bit space and one much higher) which, via a combination of the
75 from the CPU address space to the PCI address space. There is one M32
78 the CPU address space to the PCIe bus and must be naturally aligned
89 portion of address space from the CPU to PCIe
93 ignores that however and will forward in that space if we try).
96 maps each segment to a PE#. That allows portions of the MMIO space
102 onto a segment alignment/granularity so that the space behin
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/linux/arch/loongarch/include/asm/
H A Duaccess.h28 * get_user: - Get a simple variable from user space.
30 * @ptr: Source address, in user space.
35 * This macro copies a single simple variable from user space to kernel
36 * space. It supports simple types like char and int, but not larger
55 * put_user: - Write a simple value into user space.
56 * @x: Value to copy to user space.
57 * @ptr: Destination address, in user space.
62 * This macro copies a single simple value from kernel space to user
63 * space. It supports simple types like char and int, but not larger
80 * __get_user: - Get a simple variable from user space, wit
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/linux/Documentation/PCI/
H A Dacpi-info.rst12 method for accessing PCI config space below it, the address space windows
33 reserving address space. The static tables are for things the OS needs to
45 describe all the address space they consume. This includes all the windows
53 space, since it is consumed by the host bridge.
58 spec defines Consumer/Producer only for the Extended Address Space
60 Address Space descriptors. Consequently, OSes have to assume all
63 Prior to the addition of Extended Address Space descriptors, the failure of
66 bridge registers (including ECAM space) in PNP0C02 catch-all devices [6].
67 With the exception of ECAM, the bridge register space i
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/linux/drivers/comedi/
H A Dcomedi_buf.c277 * comedi_buf_write_alloc() - Reserve buffer space for writing
279 * @nbytes: Maximum space to reserve in bytes.
281 * Reserve up to @nbytes bytes of space to be written in the COMEDI acquisition
283 * by the space available.
285 * Return: The amount of space reserved in bytes.
300 * before we write data to the write-alloc'ed buffer space in comedi_buf_write_alloc()
310 * and kernel space
366 * comedi_buf_write_free() - Free buffer space after it is written
368 * @nbytes: Maximum space to free in bytes.
370 * Free up to @nbytes bytes of space previousl
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/linux/Documentation/mm/
H A Dactive_mm.rst31 difference is that an anonymous address space doesn't care about the
33 anonymous address space we just leave the previous address space
36 The obvious use for a "anonymous address space" is any thread that
39 some amount of time they are not going to be interested in user space,
44 - "tsk->mm" points to the "real address space". For an anonymous process,
46 really doesn't _have_ a real address space at all.
48 - however, we obviously need to keep track of which address space we
50 which shows what the currently active address space is.
52 The rule is that for a process with a real address space (i
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/linux/fs/btrfs/
H A Dspace-info.c7 #include "space-info.h"
10 #include "free-space-cache.h"
20 * HOW DOES SPACE RESERVATION WORK
28 * 1) space_info. This is the ultimate arbiter of how much space we can use.
32 * determining if there is space to make an allocation. There is a space_info
38 * much space is accounted for in space_info->bytes_may_use.
68 * enough space
79 * Flushes various things attempting to free up space.
82 * This is called by anything that either subtracts space from
86 * completed. If it can the space i
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/linux/drivers/rapidio/
H A Drio-access.c3 * RapidIO configuration space access support
25 * @size: Size of configuration space read (8, 16, 32 bits)
27 * @len: Length of configuration space read (1, 2, 4 bytes)
30 * configuration space registers on the local device.
46 * @size: Size of configuration space write (8, 16, 32 bits)
48 * @len: Length of configuration space write (1, 2, 4 bytes)
51 * configuration space registers on the local device.
77 * @size: Size of configuration space read (8, 16, 32 bits)
79 * @len: Length of configuration space read (1, 2, 4 bytes)
82 * configuration space register
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/linux/fs/xfs/scrub/
H A Dalloc_repair.c44 * Free Space Btree Repair
47 * The reverse mappings are supposed to record all space usage for the entire
53 * Because the final step of building a new index is to free the space used by
54 * the old index, repair needs to find that space. Unfortunately, all
55 * structures that live in the free space (bnobt, cntbt, rmapbt, agfl) share
58 * The scan of the reverse mapping information records the space used by OWN_AG
81 * Next, some of the space described by @free_records are diverted to the newbt
86 * We use the prefix 'xrep_abt' here because we regenerate both free space
106 /* Free space extents. */
114 /* get_records()'s position in the free space recor
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/linux/drivers/char/ipmi/
H A Dipmi_dmi.c25 unsigned int space; /* addr space for si, intf# for ssif */ member
36 unsigned int space, in dmi_add_platform_ipmi() argument
71 p.space = space; in dmi_add_platform_ipmi()
82 info->space = space; in dmi_add_platform_ipmi()
100 int ipmi_dmi_get_slave_addr(enum si_type si_type, unsigned int space, in ipmi_dmi_get_slave_addr() argument
107 info->space == space in ipmi_dmi_get_slave_addr()
129 int space = IPMI_IO_ADDR_SPACE; dmi_decode_ipmi() local
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/linux/Documentation/filesystems/xfs/
H A Dxfs-delayed-logging-design.rst27 are atomic and recoverable. For reasons of space and time efficiency, the
40 The reason for these differences is to keep the amount of log space and CPU time
57 XFS has two types of high level transactions, defined by the type of log space
79 space that was taken at the transaction allocation time.
155 because it can't be written to the journal due to a lack of space in the
160 A transaction reservation provides a guarantee that there is physical log space
165 transaction, we have to reserve enough space to record a full leaf-to-root split
170 free space, which modifies the free space trees. That's two btrees. Inserting
172 btree, which requires another allocation that can modify the free space tree
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/linux/Documentation/devicetree/bindings/powerpc/fsl/
H A Ddcsr.txt17 debug blocks defined within this memory space.
25 The DCSR space exists in the memory-mapped bus.
44 range of the DCSR space.
57 This node represents the region of DCSR space allocated to the EPU
91 offset and length of the DCSR space registers of the device
107 This node represents the region of DCSR space allocated to the NPC
120 offset and length of the DCSR space registers of the device
122 The Nexus Port controller occupies two regions in the DCSR space
144 This node represents the region of DCSR space allocated to the NXC
157 offset and length of the DCSR space register
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/linux/Documentation/hwmon/
H A Df71882fg.rst10 Addresses scanned: none, address read from Super I/O config space
18 Addresses scanned: none, address read from Super I/O config space
26 Addresses scanned: none, address read from Super I/O config space
34 Addresses scanned: none, address read from Super I/O config space
42 Addresses scanned: none, address read from Super I/O config space
50 Addresses scanned: none, address read from Super I/O config space
58 Addresses scanned: none, address read from Super I/O config space
66 Addresses scanned: none, address read from Super I/O config space
74 Addresses scanned: none, address read from Super I/O config space
82 Addresses scanned: none, address read from Super I/O config space
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/linux/drivers/gpu/drm/amd/amdkfd/
H A Dkfd_flat_memory.c49 * This pointer space has the Shared(LDS) and Private(Scratch) memory
50 * mapped into this pointer space as apertures.
75 * HSA64 – 64b pointers and the default address space is ATC
76 * HSA32 – 32b pointers and the default address space is ATC
77 * GPUVM – 64b pointers and the default address space is GPUVM (driver
85 * (VA[63:47] == 0x1FFFF) and low area (VA[63:47 == 0) of the address space
87 * the middle of the 64b VA space.
89 * The GPU not only has access to all of the CPU accessible address space via
90 * ATC/IOMMU, but it also has access to the GPUVM address space. The “system
92 * spaces into a unified pointer space
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/linux/arch/xtensa/lib/
H A Dpci-auto.c31 * pci_ctrl->io_space.start = <IO space start address (PCI view)>
32 * pci_ctrl->io_space.end = <IO space end address (PCI view)>
33 * pci_ctrl->io_space.base = <IO space offset: address 0 from CPU space>
34 * pci_ctrl->mem_space.start = <MEM space start address (PCI view)>
35 * pci_ctrl->mem_space.end = <MEM space end address (PCI view)>
36 * pci_ctrl->mem_space.base = <MEM space offset: address 0 from CPU space>
38 * pcibios_init_resource(&pci_ctrl->io_resource, <IO space start>,
39 * <IO space en
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