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/Linux-v6.6/Documentation/userspace-api/media/cec/
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-v6.6/drivers/net/wireless/ti/wlcore/
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-v6.6/fs/btrfs/
Dscrub.c117 u64 physical; member
227 u64 physical; member
458 swarn->physical, in scrub_print_warning_inode()
472 swarn->physical, in scrub_print_warning_inode()
480 bool is_super, u64 logical, u64 physical) in scrub_print_common_warning() argument
495 errstr, btrfs_dev_name(dev), physical); in scrub_print_common_warning()
502 swarn.physical = physical; in scrub_print_common_warning()
538 swarn.physical, (ref_level ? "node" : "leaf"), in scrub_print_common_warning()
561 static int fill_writer_pointer_gap(struct scrub_ctx *sctx, u64 physical) in fill_writer_pointer_gap() argument
569 if (!btrfs_dev_is_sequential(sctx->wr_tgtdev, physical)) in fill_writer_pointer_gap()
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Dzoned.c1138 int btrfs_reset_device_zone(struct btrfs_device *device, u64 physical, in btrfs_reset_device_zone() argument
1145 physical >> SECTOR_SHIFT, length >> SECTOR_SHIFT, in btrfs_reset_device_zone()
1152 btrfs_dev_set_zone_empty(device, physical); in btrfs_reset_device_zone()
1153 btrfs_dev_clear_active_zone(device, physical); in btrfs_reset_device_zone()
1154 physical += device->zone_info->zone_size; in btrfs_reset_device_zone()
1299 u64 *physical = NULL; in btrfs_load_block_group_zone_info() local
1343 physical = kcalloc(map->num_stripes, sizeof(*physical), GFP_NOFS); in btrfs_load_block_group_zone_info()
1344 if (!physical) { in btrfs_load_block_group_zone_info()
1362 physical[i] = map->stripes[i].physical; in btrfs_load_block_group_zone_info()
1369 is_sequential = btrfs_dev_is_sequential(device, physical[i]); in btrfs_load_block_group_zone_info()
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Dzoned.h57 int btrfs_reset_device_zone(struct btrfs_device *device, u64 physical,
68 int btrfs_zoned_issue_zeroout(struct btrfs_device *device, u64 physical, u64 length);
163 u64 physical, u64 length, u64 *bytes) in btrfs_reset_device_zone() argument
202 u64 physical, u64 length) in btrfs_zoned_issue_zeroout() argument
340 u64 physical, u64 length) in btrfs_can_zone_reset() argument
344 if (!btrfs_dev_is_sequential(device, physical)) in btrfs_can_zone_reset()
348 if (!IS_ALIGNED(physical, zone_size) || !IS_ALIGNED(length, zone_size)) in btrfs_can_zone_reset()
/Linux-v6.6/Documentation/ABI/testing/
Dsysfs-devices-system-xen_cpu5 A collection of global/individual Xen physical cpu attributes
7 Individual physical cpu attributes are contained in
16 Interface to online/offline Xen physical cpus
19 to online/offline physical cpus, except cpu0 due to several
Dsysfs-firmware-efi4 Description: It shows the physical address of firmware vendor field in the
11 Description: It shows the physical address of runtime service table entry in
18 Description: It shows the physical address of config table entry in the EFI
25 Description: Displays the physical addresses of all EFI Configuration
Dsysfs-memory-page-offline6 Soft-offline the memory page containing the physical address
8 physical address of the page. The kernel will then attempt
28 Hard-offline the memory page containing the physical
30 specifying the physical address of the page. The
/Linux-v6.6/drivers/net/wireless/ti/wl1251/
Dio.c51 int physical; in wl1251_mem_read() local
53 physical = wl1251_translate_mem_addr(wl, addr); in wl1251_mem_read()
55 wl->if_ops->read(wl, physical, buf, len); in wl1251_mem_read()
60 int physical; in wl1251_mem_write() local
62 physical = wl1251_translate_mem_addr(wl, addr); in wl1251_mem_write()
64 wl->if_ops->write(wl, physical, buf, len); in wl1251_mem_write()
/Linux-v6.6/Documentation/admin-guide/mm/
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-v6.6/Documentation/i2c/
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
63 physical I2C bus controllers. The controllers are hardware and physical, and the
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
93 If the logical I2C bus is a direct abstraction of a physical I2C bus controller,
94 let us call it a physical I2C bus.
99 This may be a confusing part for people who only know about the physical I2C
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/Linux-v6.6/Documentation/networking/device_drivers/ethernet/mellanox/mlx5/
Dcounters.rst86 A set of the physical port counters, per priority per port.
469 software counters. These packets are counted by physical port and vPort
491 physical port and vPort counters. You may open more rx queues and spread
507 counted by physical port and vPort counters.
517 are counted by physical port and vPort counters.
858 The physical port counters are the counters on the external port connecting the
871 - The number of packets received on the physical port. This counter doesn’t
877 - The number of packets transmitted on the physical port.
881 - The number of bytes received on the physical port, including Ethernet
886 - The number of bytes transmitted on the physical port.
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/Linux-v6.6/Documentation/arch/xtensa/
Dbooting.rst12 address must be the physical address.
19 virtual or physical address. In either case it must be within the default
20 virtual mapping. It is considered physical if it is within the range of
21 physical addresses covered by the default KSEG mapping (XCHAL_KSEG_PADDR..
/Linux-v6.6/Documentation/admin-guide/kdump/
Dvmcoreinfo.rst59 virtual to physical addresses.
66 direct kernel map to a physical address.
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.
458 The offset between the kernel virtual and physical mappings. Used to
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/Linux-v6.6/Documentation/mm/
Dmemory-model.rst8 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
69 The SPARSEMEM model presents the physical memory as a collection of
77 physical address that an architecture supports, the
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Dzsmalloc.rst99 Each zspage can contain up to ZSMALLOC_CHAIN_SIZE physical (0-order) pages.
121 Size class #100 consists of zspages with 2 physical pages each, which can
123 end up allocating three zspages, or 6 physical pages.
128 of 5 physical pages:::
137 This means that a class #96 configuration with 5 physical pages can store 13
138 objects of size 1568 in a single zspage, using a total of 5 physical pages.
140 physical pages to store the same number of objects.
158 to size class #254, which stores each object in its own physical page (objects
255 Using larger zspage chains may result in using fewer physical pages, as seen
256 in the example where the number of physical pages used decreased from 159955
Dpage_tables.rst13 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)
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.
/Linux-v6.6/drivers/hid/
Dwacom_wac.h166 #define WACOM_PAD_FIELD(f) (((f)->physical == HID_DG_TABLETFUNCTIONKEY) || \
167 ((f)->physical == WACOM_HID_WD_DIGITIZERFNKEYS) || \
168 ((f)->physical == WACOM_HID_WD_DIGITIZERINFO))
171 ((f)->physical == HID_DG_STYLUS) || \
172 ((f)->physical == HID_DG_PEN) || \
180 ((f)->physical == HID_DG_FINGER) || \
/Linux-v6.6/Documentation/sound/designs/
Djack-injection.rst15 machine and plug/unplug physical devices to the audio jack.
17 In this design, an audio jack doesn't equal to a physical audio jack.
18 Sometimes a physical audio jack contains multi functions, and the
20 ``snd_jack`` represents a physical audio jack and the ``jack_kctl``
21 represents a function, for example a physical jack has two functions:
118 …read-only, get snd_jack's supported events from type (all supported events on the physical audio j…
/Linux-v6.6/Documentation/devicetree/bindings/powerpc/fsl/
Ddcsr.txt31 or representing physical addresses in child nodes.
37 or representing the size of physical addresses in
43 Definition: A standard property. Specifies the physical address
90 Definition: A standard property. Specifies the physical address
119 Definition: A standard property. Specifies the physical address
156 Definition: A standard property. Specifies the physical address
181 Definition: A standard property. Specifies the physical address
218 Definition: A standard property. Specifies the physical address
246 Definition: A standard property. Specifies the physical address
277 Definition: A standard property. Specifies the physical address
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/Linux-v6.6/drivers/net/wireless/intel/iwlwifi/pcie/
Dctxt-info-gen3.c31 dbg_cfg->hwm_base_addr = cpu_to_le64(fw_mon->physical); in iwl_pcie_ctxt_info_dbg_enable()
58 dbg_cfg->hwm_base_addr = cpu_to_le64(frag->physical); in iwl_pcie_ctxt_info_dbg_enable()
305 &dram->physical); in iwl_pcie_load_payloads_continuously()
335 &desc_dram->physical); in iwl_pcie_load_payloads_segments()
366 cpu_to_le64(dram_regions->drams[i].physical); in iwl_pcie_load_payloads_segments()
440 cpu_to_le64(dram_regions->prph_scratch_mem_desc.physical); in iwl_pcie_set_pnvm_segments()
452 cpu_to_le64(trans_pcie->pnvm_data.drams[0].physical); in iwl_pcie_set_continuous_pnvm()
524 cpu_to_le64(dram_regions->prph_scratch_mem_desc.physical); in iwl_pcie_set_reduce_power_segments()
536 cpu_to_le64(trans_pcie->reduced_tables_data.drams[0].physical); in iwl_pcie_set_continuous_reduce_power()
Dctxt-info.c53 &dram->physical); in iwl_pcie_ctxt_info_alloc_dma()
77 dram->paging[i].physical); in iwl_pcie_ctxt_info_free_paging()
117 cpu_to_le64(dram->fw[dram->fw_cnt].physical); in iwl_pcie_init_fw_sec()
131 cpu_to_le64(dram->fw[dram->fw_cnt].physical); in iwl_pcie_init_fw_sec()
156 cpu_to_le64(dram->paging[i].physical); in iwl_pcie_init_fw_sec()
/Linux-v6.6/Documentation/userspace-api/media/mediactl/
Dmedia-controller-model.rst16 physical hardware devices (CMOS sensor for instance), logical
18 processing pipeline), DMA channels or physical connectors.
27 inputs. Pads should not be confused with physical pins at chip
40 physical module, meaning this lens controller drives the lens for this
/Linux-v6.6/Documentation/core-api/
Ddebugging-via-ohci1394.rst2 Using physical DMA provided by OHCI-1394 FireWire controllers for debugging
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 IA64 machines where
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.
108 required for physical DMA above 4 GB (but not utilized by Linux yet).
123 3) Test physical DMA using firescope:
/Linux-v6.6/drivers/video/fbdev/intelfb/
Dintelfbdrv.c460 release_mem_region(dinfo->aperture.physical, in cleanup()
545 dinfo->aperture.physical = pci_resource_start(pdev, aperture_bar); in intelfb_pci_register()
555 if (!request_mem_region(dinfo->aperture.physical, dinfo->aperture.size, in intelfb_pci_register()
655 (dinfo->aperture.physical, ((offset + dinfo->fb.offset) << 12) in intelfb_pci_register()
690 dinfo->ring.physical = dinfo->aperture.physical in intelfb_pci_register()
715 dinfo->cursor.physical in intelfb_pci_register()
716 = dinfo->gtt_cursor_mem->physical; in intelfb_pci_register()
718 dinfo->cursor.physical = dinfo->aperture.physical in intelfb_pci_register()
742 dinfo->fb.physical = dinfo->aperture.physical in intelfb_pci_register()
751 dinfo->wc_cookie = arch_phys_wc_add(dinfo->aperture.physical, in intelfb_pci_register()
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