| /linux-6.14.4/include/linux/ |
| D | psp-sev.h | 118 * @tmr_address: system physical address used for SEV-ES
133 * @tmr_address: system physical address used for SEV-ES
135 * @nv_address: system physical address used for PSP NV storage
180 * @address: physical address of firmware image
191 * @address: physical address of region to place unique CPU ID(s)
263 * @dh_cert_address: physical address of DH certificate blob
265 * @session_address: physical address of session parameters
283 * @address: physical address of memory region to encrypt
296 * @address: physical address of memory region to encrypt
310 * @address: physical address containing the measurement blob
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| /linux-6.14.4/fs/btrfs/tests/ |
| D | raid-stripe-tree-tests.c | 77 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-6.14.4/Documentation/userspace-api/media/cec/ |
| D | cec-ioc-adap-g-phys-addr.rst | 15 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-6.14.4/Documentation/admin-guide/mm/ |
| D | concepts.rst | 12 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-6.14.4/Documentation/networking/device_drivers/ethernet/mellanox/mlx5/ |
| D | counters.rst | 78 Physical port counters
82 additional counters like flow control, FEC and more. Physical port counters
86 A set of the physical port counters, per priority per port.
496 software counters. These packets are counted by physical port and vPort
518 physical port and vPort counters. You may open more rx queues and spread
534 counted by physical port and vPort counters.
544 are counted by physical port and vPort counters.
889 Physical Port Counters
891 The physical port counters are the counters on the external port connecting the
896 .. flat-table:: Physical Port Counter Table
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| /linux-6.14.4/Documentation/i2c/ |
| D | i2c-sysfs.rst | 13 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-6.14.4/include/linux/firmware/intel/ |
| D | stratix10-smc.h | 24 * EL1 and EL3 communicates pointer as physical address rather than the
106 * a1: 64bit physical address of the configuration data memory block
113 * a1: 64bit physical address of 1st completed memory block if any completed
115 * a2: 64bit physical address of 2nd completed memory block if any completed
117 * a3: 64bit physical address of 3rd completed memory block if any completed
138 * a1: 64bit physical address of 1st completed memory block.
139 * a2: 64bit physical address of 2nd completed memory block if
141 * a3: 64bit physical address of 3rd completed memory block if
171 * Sync call used by service driver at EL1 to query the physical address of
180 * a1: start of physical address of reserved memory block.
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| /linux-6.14.4/Documentation/mm/ |
| D | memory-model.rst | 4 Physical Memory Model
7 Physical memory in a system may be addressed in different ways. The
8 simplest case is when the physical memory starts at address 0 and
20 All the memory models track the status of physical page frames using
24 mapping between the physical page frame number (PFN) and the
35 non-NUMA systems with contiguous, or mostly contiguous, physical
39 maps the entire physical memory. For most architectures, the holes
49 actual physical pages. In such case, the architecture specific
58 systems with physical memory starting at address different from 0.
65 as hot-plug and hot-remove of the physical memory, alternative memory
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| D | page_tables.rst | 13 Page tables map virtual addresses as seen by the CPU into physical addresses
20 The physical address corresponding to the virtual address is often referenced
21 by the underlying physical page frame. The **page frame number** or **pfn**
22 is the physical address of the page (as seen on the external memory bus)
25 Physical memory address 0 will be *pfn 0* and the highest pfn will be
26 the last page of physical memory the external address bus of the CPU can
41 the fact that Torvald's first computer had 4MB of physical memory. Entries in
56 to a physical memory range, which allows mapping a contiguous range of several
58 shortcuts in mapping virtual memory to physical memory: there is no need to
89 mapping a single page of virtual memory to a single page of physical memory.
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| /linux-6.14.4/Documentation/admin-guide/device-mapper/ |
| D | vdo.rst | 108 If <hash>, <logical>, and <physical> are all set to 0, the work handled by
144 physical:
148 enough to have at least 1 slab per physical thread. The
178 modifiable parameters are <logical device size>, <physical device size>,
181 If the logical device size or physical device size are changed, upon
184 size may not exceed 4 PB. The physical device size must increase by at
187 slab size is chosen: the physical device size may never increase above the
194 physical space, storing to /dev/dm-1 which has more than 1 GB of space.
209 Grow the physical size to 2 GB.
217 Grow the physical size by 1 GB more and increase max discard sectors.
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| D | vdo-design.rst | 248 Each slab is independent of every other. They are assigned to "physical
249 zones" in round-robin fashion. If there are P physical zones, then slab n
257 how full it is. During recovery, each physical zone will attempt to recover
266 The block map contains the logical to physical mapping. It can be thought
268 36 bits of which contain the physical block number which holds the data for
305 new physical mappings. For a block map remapping, the journal records the
306 block map page number and the physical block allocated for it. Block map
311 before each journal block write to ensure that the physical data for the
317 reconstruct the logical to physical mappings after an unexpected
369 missing, it is allocated at this time out of the same physical storage
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| /linux-6.14.4/drivers/mtd/ubi/ |
| D | ubi-media.h | 57 * 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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| D | wl.c | 12 * 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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| D | io.c | 92 * 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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| D | ubi.h | 85 /* 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-6.14.4/include/xen/interface/hvm/ |
| D | start_info.h | 12 * 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-6.14.4/include/net/caif/ |
| D | cfcnfg.h | 17 * 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-6.14.4/tools/testing/selftests/kvm/include/arm64/ |
| D | arch_timer.h | 13 PHYSICAL, enumerator
41 case PHYSICAL: in timer_get_cntct()
57 case PHYSICAL: in timer_set_cval()
72 case PHYSICAL: in timer_get_cval()
88 case PHYSICAL: in timer_set_tval()
104 case PHYSICAL: in timer_get_tval()
120 case PHYSICAL: in timer_set_ctl()
135 case PHYSICAL: in timer_get_ctl()
|
| /linux-6.14.4/drivers/pci/endpoint/ |
| D | pci-epc-core.c | 209 * @func_no: the physical endpoint function number in the EPC device
210 * @vfunc_no: the virtual endpoint function number in the physical function
236 * pci_epc_map_msi_irq() - Map physical address to MSI address and return
239 * @func_no: the physical endpoint function number in the EPC device
240 * @vfunc_no: the virtual endpoint function number in the physical function
241 * @phys_addr: the physical address of the outbound region
249 * Invoke to map physical address to MSI address and return MSI data. The
250 * physical address should be an address in the outbound region. This is
253 * physical address (in outbound region) of the other interface to ring
281 * @func_no: the physical endpoint function number in the EPC device
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| /linux-6.14.4/Documentation/core-api/ |
| D | debugging-via-ohci1394.rst | 2 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-6.14.4/Documentation/arch/x86/ |
| D | amd-memory-encryption.rst | 13 DRAM. SME can therefore be used to protect the contents of DRAM from physical
51 Bits[11:6] reduction in physical address space, in bits, when
53 system physical addresses, not guest physical
71 in the physical address space as a result of enabling memory encryption (see
137 mapping between system physical addresses and guest physical addresses. Each
156 System physical address of the first byte of the RMP
159 System physical address of the last byte of the RMP
166 determines the range of physical memory that the hypervisor can assign to
167 SEV-SNP guests. The RMP covers the system physical address from::
186 RMP segment covers a specific range of system physical addresses.
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| /linux-6.14.4/tools/testing/selftests/kvm/arm64/ |
| D | arch_timer.c | 3 * The test validates both the virtual and physical timer IRQs using
41 timer_set_next_cval_ms(PHYSICAL, test_args.timer_period_ms); in guest_configure_timer_action()
42 shared_data->xcnt = timer_get_cntct(PHYSICAL); in guest_configure_timer_action()
43 timer_set_ctl(PHYSICAL, CTL_ENABLE); in guest_configure_timer_action()
46 timer_set_next_tval_ms(PHYSICAL, test_args.timer_period_ms); in guest_configure_timer_action()
47 shared_data->xcnt = timer_get_cntct(PHYSICAL); in guest_configure_timer_action()
48 timer_set_ctl(PHYSICAL, CTL_ENABLE); in guest_configure_timer_action()
75 accessor = PHYSICAL; in guest_validate_irq()
151 timer_set_ctl(PHYSICAL, CTL_IMASK); in guest_code()
|
| /linux-6.14.4/Documentation/arch/arm/ |
| D | porting.rst | 12 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-6.14.4/mm/ |
| D | numa_emulation.c | 81 * 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-6.14.4/Documentation/admin-guide/kdump/ |
| D | vmcoreinfo.rst | 59 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 addresses.
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