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/linux/fs/btrfs/tests/
H A Draid-stripe-tree-tests.c77 stripe->physical = logical1 + i * SZ_1G; in test_punch_hole_3extents()
98 stripe->physical = logical2 + i * SZ_1G; in test_punch_hole_3extents()
119 stripe->physical = logical3 + i * SZ_1G; in test_punch_hole_3extents()
149 if (io_stripe.physical != logical1) { in test_punch_hole_3extents()
150 test_err("invalid physical address, expected %llu, got %llu", in test_punch_hole_3extents()
151 logical1, io_stripe.physical); in test_punch_hole_3extents()
183 if (io_stripe.physical != logical3) { in test_punch_hole_3extents()
184 test_err("invalid physical address, expected %llu, got %llu", in test_punch_hole_3extents()
185 logical3 + SZ_256K, io_stripe.physical); in test_punch_hole_3extents()
253 stripe->physical = logical1 + i * SZ_1G; in test_delete_two_extents()
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/linux/include/linux/
H A Dpsp-sev.h159 * @tmr_address: system physical address used for SEV-ES
174 * @tmr_address: system physical address used for SEV-ES
176 * @nv_address: system physical address used for PSP NV storage
221 * @address: physical address of firmware image
232 * @address: physical address of region to place unique CPU ID(s)
304 * @dh_cert_address: physical address of DH certificate blob
306 * @session_address: physical address of session parameters
324 * @address: physical address of memory region to encrypt
337 * @address: physical address of memory region to encrypt
351 * @address: physical addres
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/linux/Documentation/userspace-api/media/cec/
H A Dcec-ioc-adap-g-phys-addr.rst15 CEC_ADAP_G_PHYS_ADDR, CEC_ADAP_S_PHYS_ADDR - Get or set the physical address
40 To query the current physical address applications call
42 driver stores the physical address.
44 To set a new physical address applications store the physical address in
52 To clear an existing physical address use ``CEC_PHYS_ADDR_INVALID``.
60 A :ref:`CEC_EVENT_STATE_CHANGE <CEC-EVENT-STATE-CHANGE>` event is sent when the physical address
63 The physical address is a 16-bit number where each group of 4 bits
64 represent a digit of the physical address a.b.c.d where the most
69 is supported. The physical address a device shall use is stored in the
73 different physical address of the form a.0.0.0 that the sources will
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/linux/Documentation/admin-guide/mm/
H A Dconcepts.rst12 address to a physical address.
19 The physical memory in a computer system is a limited resource and
21 the amount of memory that can be installed. The physical memory is not
27 All this makes dealing directly with physical memory quite complex and
30 The virtual memory abstracts the details of physical memory from the
32 physical memory (demand paging) and provides a mechanism for the
38 address encoded in that instruction to a `physical` address that the
41 The physical system memory is divided into page frames, or pages. The
47 Each physical memory page can be mapped as one or more virtual
49 translation from a virtual address used by programs to the physical
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/linux/Documentation/i2c/
H A Di2c-sysfs.rst13 is a gap of knowledge to map from the I2C bus physical number and MUX topology
16 the concept of logical I2C buses in the kernel, by knowing the physical I2C
41 start with ``i2c-`` are I2C buses, which may be either physical or logical. The
59 (Physical) I2C Bus Controller
63 physical I2C bus controllers. The controllers are hardware and physical, and the
70 I2C Bus Physical Number
73 For each physical I2C bus controller, the system vendor may assign a physical
82 written upon virtual memory space, instead of physical memory space.
84 Each logical I2C bus may be an abstraction of a physical I2C bus controller, or
90 Physical I2C Bus
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/linux/drivers/mtd/ubi/
H A Dubi-media.h57 * initialization UBI finds out that there are available physical eraseblocks
59 * (the physical eraseblocks reserved for bad eraseblocks handling and other
60 * reserved physical eraseblocks are not taken). So, if there is a volume with
72 * of good physical eraseblocks the NAND chip on the device will have, but this
78 * Note, first UBI reserves some amount of physical eraseblocks for bad
80 * means that the pool of reserved physical eraseblocks will always be present.
94 * physical eraseblocks, don't allow the wear-leveling
136 * physical eraseblock. These values have to be the same for all physical
165 * @copy_flag: if this logical eraseblock was copied from another physical
174 * @data_pad: how many bytes at the end of this physical eraseblock are not
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H A Dwl.c12 * physical eraseblocks and erase counters and knows nothing about logical
13 * eraseblocks, volumes, etc. From this sub-system's perspective all physical
14 * eraseblocks are of two types - used and free. Used physical eraseblocks are
15 * those that were "get" by the 'ubi_wl_get_peb()' function, and free physical
18 * Physical eraseblocks returned by 'ubi_wl_get_peb()' have only erase counter
19 * header. The rest of the physical eraseblock contains only %0xFF bytes.
21 * When physical eraseblocks are returned to the WL sub-system by means of the
27 * physical eraseblocks with low erase counter to free physical eraseblocks
30 * If the WL sub-system fails to erase a physical eraseblock, it marks it as
34 * in a physical eraseblock, it has to be moved. Technically this is the same
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H A Dio.c92 * ubi_io_read - read data from a physical eraseblock.
95 * @pnum: physical eraseblock number to read from
96 * @offset: offset within the physical eraseblock from where to read
99 * This function reads data from offset @offset of physical eraseblock @pnum
218 * ubi_io_write - write data to a physical eraseblock.
221 * @pnum: physical eraseblock number to write to
222 * @offset: offset within the physical eraseblock where to write
226 * of physical eraseblock @pnum. If all the data were successfully written,
228 * error code. If %-EIO is returned, the physical eraseblock most probably went
264 * We write to the data area of the physical eraseblock. Make in ubi_io_write()
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H A Dubi.h85 /* Number of physical eraseblocks reserved for atomic LEB change operation */
164 * @pnum: physical eraseblock number
166 * This data structure is used in the WL sub-system. Each physical eraseblock
262 * @pnum: the physical eraseblock where the LEB can be found
286 * @reserved_pebs: how many physical eraseblocks are reserved for this volume
293 * @data_pad: how many bytes are not used at the end of physical eraseblocks to
453 * @rsvd_pebs: count of reserved physical eraseblocks
454 * @avail_pebs: count of available physical eraseblocks
455 * @beb_rsvd_pebs: how many physical eraseblocks are reserved for bad PEB
493 * @used: RB-tree of used physical eraseblocks
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/linux/include/linux/firmware/intel/
H A Dstratix10-smc.h25 * EL1 and EL3 communicates pointer as physical address rather than the
111 * a1: 64bit physical address of the configuration data memory block
118 * a1: 64bit physical address of 1st completed memory block if any completed
120 * a2: 64bit physical address of 2nd completed memory block if any completed
122 * a3: 64bit physical address of 3rd completed memory block if any completed
143 * a1: 64bit physical address of 1st completed memory block.
144 * a2: 64bit physical address of 2nd completed memory block if
146 * a3: 64bit physical address of 3rd completed memory block if
176 * Sync call used by service driver at EL1 to query the physical address of
185 * a1: start of physical address of reserved memory block.
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/linux/include/xen/interface/hvm/
H A Dstart_info.h12 * NOTE: nothing will be loaded at physical address 0, so a 0 value in any
26 * | modlist_paddr | Physical address of an array of modules
29 * | cmdline_paddr | Physical address of the command line,
32 * | rsdp_paddr | Physical address of the RSDP ACPI data structure.
34 * | memmap_paddr | Physical address of the (optional) memory map. Only
47 * | paddr | Physical address of the module.
51 * | cmdline_paddr | Physical address of the command line,
114 uint64_t modlist_paddr; /* Physical address of an array of */
116 uint64_t cmdline_paddr; /* Physical address of the command line. */
117 uint64_t rsdp_paddr; /* Physical address of the RSDP ACPI data */
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/linux/include/net/caif/
H A Dcfcnfg.h17 * enum cfcnfg_phy_preference - Physical preference HW Abstraction
19 * @CFPHYPREF_UNSPECIFIED: Default physical interface
21 * @CFPHYPREF_LOW_LAT: Default physical interface for low-latency
23 * @CFPHYPREF_HIGH_BW: Default physical interface for high-bandwidth
54 * cfcnfg_add_phy_layer() - Adds a physical layer to the CAIF stack.
58 * @phy_layer: Specify the physical layer. The transmit function
82 * cfcnfg_set_phy_state() - Set the state of the physical interface device.
84 * @phy_layer: Physical Layer representation
/linux/drivers/pci/endpoint/
H A Dpci-epc-core.c203 * @func_no: the physical endpoint function number in the EPC device
204 * @vfunc_no: the virtual endpoint function number in the physical function
230 * pci_epc_map_msi_irq() - Map physical address to MSI address and return
233 * @func_no: the physical endpoint function number in the EPC device
234 * @vfunc_no: the virtual endpoint function number in the physical function
235 * @phys_addr: the physical address of the outbound region
243 * Invoke to map physical address to MSI address and return MSI data. The
244 * physical address should be an address in the outbound region. This is
247 * physical address (in outbound region) of the other interface to ring
275 * @func_no: the physical endpoin
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/linux/Documentation/core-api/
H A Ddebugging-via-ohci1394.rst2 Using physical DMA provided by OHCI-1394 FireWire controllers for debugging
11 a "Physical Response Unit" which executes specific requests by employing
16 physical system memory and, for read requests, send the result of
17 the physical memory read back to the requester.
26 of physical address space. This can be a problem on machines where memory is
31 physical addresses above 4 GB, but this feature is currently not enabled by
43 The firewire-ohci driver in drivers/firewire uses filtered physical
45 Pass the remote_dma=1 parameter to the driver to get unfiltered physical DMA.
81 disable all physical DMA on each bus reset.
107 controller implements a writable Physical Upper Bound register. This is
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/linux/arch/powerpc/platforms/pseries/
H A Dpapr-phy-attest.c20 #include <uapi/asm/papr-physical-attestation.h>
25 * ibm,physical-attestation.
35 * @written: Out: Bytes written by ibm,physical-attestation to
49 * rtas_physical_attestation() - Call ibm,physical-attestation to
53 * Calls ibm,physical-attestation until it errors or successfully
123 * Internal physical-attestation sequence APIs. A physical-attestation
124 * sequence is a series of calls to get ibm,physical-attestation
215 * interleaving ibm,physical-attestation call sequences.
247 "[papr-physical-attestation]"); in papr_phy_attest_create_handle()
253 * Top-level ioctl handler for /dev/papr-physical-attestation.
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/linux/arch/x86/mm/
H A Dkaslr.c4 * the virtual address space of kernel memory regions (physical memory
11 * The physical memory mapping code was adapted to support P4D/PUD level
20 * physical memory mapping is the available physical memory.
66 * The end of the physical address space that can be mapped directly by the
100 /* Preset the end of the possible address space for physical memory */ in kernel_randomize_memory()
109 * Update Physical memory mapping to available and in kernel_randomize_memory()
117 * Adapt physical memory region size based on available memory, in kernel_randomize_memory()
119 * any physical address into the direct-map. KASLR wants to reliably in kernel_randomize_memory()
120 * steal some physical address bits. Those design choices are in direct in kernel_randomize_memory()
/linux/mm/
H A Dnuma_emulation.c81 * Sets up nr_nodes fake nodes interleaved over physical nodes ranging from addr
126 * Continue to fill physical nodes with fake nodes until there is no in split_nodes_interleave()
171 * physical node. in split_nodes_interleave()
214 * Sets up fake nodes of `size' interleaved over physical nodes ranging from
233 * In the 'uniform' case split the passed in physical node by in split_nodes_size_interleave_uniform()
235 * physical block and try to create nodes of at least size in split_nodes_size_interleave_uniform()
238 * In the uniform case, split the nodes strictly by physical in split_nodes_size_interleave_uniform()
259 * (but not necessarily over physical nodes). in split_nodes_size_interleave_uniform()
273 * Fill physical nodes with fake nodes of size until there is no memory in split_nodes_size_interleave_uniform()
307 * physical node. in split_nodes_size_interleave_uniform()
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/linux/Documentation/admin-guide/kdump/
H A Dvmcoreinfo.rst59 virtual to physical addresses.
66 direct kernel map to a physical address.
77 Physical addresses are translated to struct pages by treating them as
78 an index into the mem_map array. Right-shifting a physical address
105 Defines the maximum supported physical address space memory.
348 corresponding physical address.
354 to physical addresses. The init_top_pgt is somewhat similar to
393 mask. This is used to remove the SME mask and obtain the true physical
411 Denotes whether physical address extensions are enabled. It has the cost
414 crash kernel when converting virtual addresses to physical addresse
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/linux/tools/testing/selftests/hid/tests/
H A Ddescriptors_wacom.py10 0xA1, 0x00, # . Collection (Physical),
37 0xA1, 0x00, # . Collection (Physical),
55 0x35, 0x00, # . Physical Minimum (0),
56 0x47, 0x80, 0x57, 0x00, 0x00, # . Physical Maximum (22400),
63 0x47, 0xD0, 0x39, 0x00, 0x00, # . Physical Maximum (14800),
70 …F, # . Logical Maximum (8191), # !!! Errata: Missing Physical Max = 0
77 0x35, 0xC0, # . Physical Minimum (-64),
78 0x45, 0x3F, # . Physical Maximum (63),
87 0x36, 0x4C, 0xFF, # . Physical Minimum (-180),
88 0x46, 0xB3, 0x00, # . Physical Maximum (179),
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/linux/Documentation/arch/arm/
H A Dporting.rst12 virtual address to a physical address. Normally, it is simply:
22 virtual or physical addresses here, since the MMU will be off at
43 Physical address to place the initial RAM disk. Only relevant if
54 Physical address of the struct param_struct or tag list, giving the
62 Physical start address of the first bank of RAM.
66 boot phase, virtual address PAGE_OFFSET will be mapped to physical
113 `pram` specifies the physical start address of RAM. Must always
116 `pio` is the physical address of an 8MB region containing IO for
/linux/arch/um/kernel/
H A Dphysmem.c36 "/proc/sys/vm/max_map_count to <physical " in map_memory()
44 * setup_physmem() - Setup physical memory for UML
45 * @start: Start address of the physical kernel memory,
47 * @reserve_end: end address of the physical kernel memory.
48 * @len: Length of total physical memory that should be mapped/made
54 * The offset is needed as the length of the total physical memory
70 os_warn("Too few physical memory! Needed=%lu, given=%lu\n", in setup_physmem()
123 " This controls how much \"physical\" memory the kernel allocates\n"
/linux/include/linux/fsl/
H A Dguts.h267 __be32 pcph15sr; /* Physical Core PH15 Status Register */
268 __be32 pcph15setr; /* Physical Core PH15 Set Control Register */
269 __be32 pcph15clrr; /* Physical Core PH15 Clear Control Register */
270 __be32 pcph15psr; /* Physical Core PH15 Prev Status Register */
272 __be32 pcph20sr; /* Physical Core PH20 Status Register */
273 __be32 pcph20setr; /* Physical Core PH20 Set Control Register */
274 __be32 pcph20clrr; /* Physical Core PH20 Clear Control Register */
275 __be32 pcph20psr; /* Physical Core PH20 Prev Status Register */
276 __be32 pcpw20sr; /* Physical Core PW20 Status Register */
278 __be32 pcph30sr; /* Physical Core PH30 Status Register */
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/linux/drivers/net/wireless/ti/wlcore/
H A Dio.h121 int physical; in wlcore_read() local
123 physical = wlcore_translate_addr(wl, addr); in wlcore_read()
125 return wlcore_raw_read(wl, physical, buf, len, fixed); in wlcore_read()
131 int physical; in wlcore_write() local
133 physical = wlcore_translate_addr(wl, addr); in wlcore_write()
135 return wlcore_raw_write(wl, physical, buf, len, fixed); in wlcore_write()
156 int physical; in wlcore_read_hwaddr() local
162 physical = wlcore_translate_addr(wl, addr); in wlcore_read_hwaddr()
164 return wlcore_raw_read(wl, physical, buf, len, fixed); in wlcore_read_hwaddr()
/linux/fs/iomap/
H A Dswapfile.c14 uint64_t lowest_ppage; /* lowest physical addr seen (pages) */
15 uint64_t highest_ppage; /* highest physical addr seen (pages) */
22 * Collect physical extents for this swap file. Physical extents reported to
25 * page numbers of the swap device to the physical page-aligned extents.
42 * Round the start up and the end down so that the physical in iomap_swapfile_add_extent()
49 /* Skip too-short physical extents. */ in iomap_swapfile_add_extent()
91 * swap only cares about contiguous page-aligned physical extents and makes no
137 * Iterate a swap file's iomaps to construct physical extents that can be
/linux/fs/btrfs/
H A Dscrub.c86 /* Set when @mirror_num, @dev, @physical and @logical are set. */
146 u64 physical; member
318 u64 physical; member
561 "scrub: %s at logical %llu on dev %s, physical %llu root %llu inode %llu offset %llu length %u links %u (path: %s)", in scrub_print_warning_inode()
564 swarn->physical, in scrub_print_warning_inode()
574 "scrub: %s at logical %llu on dev %s, physical %llu root %llu inode %llu offset %llu: path resolving failed with ret=%d", in scrub_print_warning_inode()
577 swarn->physical, in scrub_print_warning_inode()
584 bool is_super, u64 logical, u64 physical) in scrub_print_common_warning() argument
598 btrfs_warn(fs_info, "scrub: %s on device %s, physical %llu", in scrub_print_common_warning()
599 errstr, btrfs_dev_name(dev), physical); in scrub_print_common_warning()
662 fill_writer_pointer_gap(struct scrub_ctx * sctx,u64 physical) fill_writer_pointer_gap() argument
1008 u64 physical = 0; scrub_stripe_report_errors() local
1436 get_raid56_logic_offset(u64 physical,int num,struct btrfs_chunk_map * map,u64 * offset,u64 * stripe_start) get_raid56_logic_offset() argument
1604 sync_write_pointer_for_zoned(struct scrub_ctx * sctx,u64 logical,u64 physical,u64 physical_end) sync_write_pointer_for_zoned() argument
1664 scrub_find_fill_first_stripe(struct btrfs_block_group * bg,struct btrfs_path * extent_path,struct btrfs_path * csum_path,struct btrfs_device * dev,u64 physical,int mirror_num,u64 logical_start,u32 logical_len,struct scrub_stripe * stripe) scrub_find_fill_first_stripe() argument
2038 queue_scrub_stripe(struct scrub_ctx * sctx,struct btrfs_block_group * bg,struct btrfs_device * dev,int mirror_num,u64 logical,u32 length,u64 physical,u64 * found_logical_ret) queue_scrub_stripe() argument
2210 u64 physical; scrub_raid56_parity_stripe() local
2313 scrub_simple_mirror(struct scrub_ctx * sctx,struct btrfs_block_group * bg,u64 logical_start,u64 logical_length,struct btrfs_device * device,u64 physical,int mirror_num) scrub_simple_mirror() argument
2449 u64 physical = map->stripes[stripe_index].physical; scrub_stripe() local
2953 scrub_one_super(struct scrub_ctx * sctx,struct btrfs_device * dev,struct page * page,u64 physical,u64 generation) scrub_one_super() argument
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