| /linux/drivers/iommu/iommufd/ |
| H A D | iova_bitmap.c | 16 * Main data structure for tracking mapped user pages of bitmap data.
38 /* mapped length */
93 * which u64 word of the bitmap is mapped, up to @mapped_total_index.
97 * The IOVA bitmap is usually located on what tracks DMA mapped ranges or
102 /* IOVA range representing the currently mapped bitmap data */
103 struct iova_bitmap_map mapped; member
108 /* u64 index that @mapped points to */
125 * Relative IOVA means relative to the bitmap::mapped base IOVA
126 * (stored in mapped::iova). All computations in this file are done using
127 * relative IOVAs and thus avoid an extra subtraction against mapped::iova.
[all …]
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| /linux/tools/testing/selftests/mm/ |
| H A D | map_fixed_noreplace.c | 86 * +1 | mapped | new in main()
87 * +2 | mapped | new in main()
88 * +3 | mapped | new in main()
105 * +1 | mapped | in main()
106 * +2 | mapped | new in main()
107 * +3 | mapped | in main()
123 * +1 | mapped | in main()
124 * +2 | mapped | in main()
125 * +3 | mapped | new in main()
141 * +1 | mapped | new in main()
[all …]
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| /linux/Documentation/admin-guide/mm/ |
| H A D | pagemap.rst | 12 physical frame each virtual page is mapped to. It contains one 64-bit
21 * Bit 56 page exclusively mapped (since 4.2)
38 precisely which pages are mapped (or in swap) and comparing mapped
41 Traditionally, bit 56 indicates that a page is mapped exactly once and bit
42 56 is clear when a page is mapped multiple times, even when mapped in the
46 mapped in the same process, even if the page is mapped multiple times in that
48 is *maybe* mapped in a different process. In some cases, a large allocation
49 might be treated as "maybe mapped by multiple processes" even though this
53 determine which areas of memory are actually mapped and llseek to
57 times each page is mapped, indexed by PFN. Some kernel configurations do
[all …]
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| /linux/include/linux/dma/ |
| H A D | k3-psil.h | 53 * @mapped_channel_id: PKTDMA thread to channel mapping for mapped channels.
56 * @flow_start: PKDMA flow range start of mapped channel. Unmapped
58 * @flow_num: PKDMA flow count of mapped channel. Unmapped channels
60 * @default_flow_id: PKDMA default (r)flow index of mapped channel.
61 * Must be within the flow range of the mapped channel.
75 /* PKDMA mapped channel */
77 /* PKTDMA tflow and rflow ranges for mapped channel */
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| /linux/Documentation/devicetree/bindings/gpio/ |
| H A D | xylon,logicvc-gpio.yaml | 19 which are mapped by the driver as follows:
20 - GPIO[4:0] (display control) mapped to index 0-4
21 - EN_BLIGHT (power control) mapped to index 5
22 - EN_VDD (power control) mapped to index 6
23 - EN_VEE (power control) mapped to index 7
24 - V_EN (power control) mapped to index 8
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| /linux/drivers/mtd/maps/ |
| H A D | Kconfig | 17 ROM driver code to communicate with chips which are mapped
43 are mapped on your particular target board. Refer to the
74 and RAM driver code to communicate with chips which are mapped
140 tristate "CFI Flash device mapped on AMD SC520 CDP"
148 tristate "CFI Flash device mapped on AMD NetSc520"
156 tristate "JEDEC Flash device mapped on Technologic Systems TS-5500"
174 tristate "CFI Flash device mapped on Arcom SBC-GXx boards"
185 tristate "CFI Flash device mapped on Intel XScale PXA2xx based boards"
191 tristate "Flash device mapped with DOCCS on NatSemi SCx200"
194 Enable support for a flash chip mapped using the DOCCS signal on a
[all …]
|
| /linux/Documentation/mm/ |
| H A D | vmalloced-kernel-stacks.rst | 4 Virtually Mapped Kernel Stack Support
15 series that introduced the `Virtually Mapped Kernel Stacks feature
25 Virtually mapped kernel stacks with guard pages cause kernel stack
30 support for virtually mapped stacks with guard pages. This feature
42 Architectures that can support Virtually Mapped Kernel Stacks should
61 mapped task stacks. This option depends on HAVE_ARCH_VMAP_STACK.
63 - Enable this if you want the use virtually-mapped kernel stacks
88 pages are mapped into contiguous kernel virtual space with PAGE_KERNEL
114 virtually mapped kernel stacks are enabled.
|
| /linux/Documentation/devicetree/bindings/display/ |
| H A D | st,stih4xx.txt | 6 - reg: Physical base address of the IP registers and length of memory mapped region.
14 - reg: Physical base address of the IP registers and length of memory mapped region.
32 - reg: Physical base address of the IP registers and length of memory mapped region.
48 - reg: Physical base address of the IP registers and length of memory mapped region.
49 - reg-names: names of the mapped memory regions listed in regs property in
60 - reg: Physical base address of the IP registers and length of memory mapped region.
61 - reg-names: names of the mapped memory regions listed in regs property in
76 - reg: Physical base address of the IP registers and length of memory mapped region.
77 - reg-names: names of the mapped memory regions listed in regs property in
89 - reg: Physical base address of the IP registers and length of memory mapped region.
[all …]
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| /linux/arch/riscv/include/uapi/asm/ |
| H A D | kvm.h | 248 /* Config registers are mapped as type 1 */
253 /* Core registers are mapped as type 2 */
258 /* Control and status registers are mapped as type 3 */
270 /* Timer registers are mapped as type 4 */
275 /* F extension registers are mapped as type 5 */
280 /* D extension registers are mapped as type 6 */
285 /* ISA Extension registers are mapped as type 7 */
297 /* SBI extension registers are mapped as type 8 */
309 /* V extension registers are mapped as type 9 */
316 /* Registers for specific SBI extensions are mapped as type 10 */
[all …]
|
| /linux/block/ |
| H A D | blk-mq-dma.c | 115 unsigned int mapped = 0; in blk_rq_dma_map_iova() local
126 error = dma_iova_link(dma_dev, state, vec->paddr, mapped, in blk_rq_dma_map_iova()
130 mapped += vec->len; in blk_rq_dma_map_iova()
133 error = dma_iova_sync(dma_dev, state, 0, mapped); in blk_rq_dma_map_iova()
220 * If a segment was mapped, the DMA address for it is returned in @iter.addr and
221 * the length in @iter.len. If no segment was mapped the status code is
225 * need to be mapped after this, or go straight to blk_rq_dma_map_iter_next()
251 * If a segment was mapped, the DMA address for it is returned in @iter.addr and
252 * the length in @iter.len. If no segment was mapped the status code is
276 * If the driver previously mapped a shorter list, we could see a in blk_next_sg()
[all …]
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| /linux/drivers/md/ |
| H A D | dm-zone.c | 164 * Revalidate the zones of a mapped device to initialize resource necessary
166 * blk_revalidate_disk_zones() function here as the mapped device is suspended
240 * Count the total number of and the number of mapped sequential zones of a
294 * number of mapped sequential zones: if this number is smaller than the in device_get_zone_resource_limits()
337 * Also count the total number of sequential zones for the mapped in device_get_zone_resource_limits()
339 * able to check if the mapped device actually has any sequential zones. in device_get_zone_resource_limits()
358 * mapped device queue as needing zone append emulation. If zone in dm_set_zones_restrictions()
369 * Determine the max open and max active zone limits for the mapped in dm_set_zones_restrictions()
370 * device by inspecting the zone resource limits and the zones mapped in dm_set_zones_restrictions()
380 * sequential write required zones mapped. in dm_set_zones_restrictions()
[all …]
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| /linux/include/xen/interface/ |
| H A D | features.h | 87 * A direct-mapped (or 1:1 mapped) domain is a domain for which its
88 * local pages have gfn == mfn. If a domain is direct-mapped,
93 * - not auto_translated domains (x86 only) are always direct-mapped
94 * - on x86, auto_translated domains are not direct-mapped
95 * - on ARM, Dom0 is direct-mapped, DomUs are not
|
| /linux/include/linux/ |
| H A D | elf-fdpic.h | 32 unsigned long elfhdr_addr; /* mapped ELF header user address */
33 unsigned long ph_addr; /* mapped PT_PHDR user address */
34 unsigned long map_addr; /* mapped loadmap user address */
35 unsigned long entry_addr; /* mapped entry user address */
37 unsigned long dynamic_addr; /* mapped PT_DYNAMIC user address */
|
| /linux/Documentation/arch/loongarch/ |
| H A D | introduction.rst | 293 LoongArch supports direct-mapped virtual memory and page-mapped virtual memory.
295 Direct-mapped virtual memory is configured by CSR.DMWn (n=0~3), it has a simple
300 Page-mapped virtual memory has arbitrary relationship between VA and PA, which
309 ``UVRANGE`` ``0x00000000 - 0x7FFFFFFF`` Page-mapped, Cached, PLV0~3
310 ``KPRANGE0`` ``0x80000000 - 0x9FFFFFFF`` Direct-mapped, Uncached, PLV0
311 ``KPRANGE1`` ``0xA0000000 - 0xBFFFFFFF`` Direct-mapped, Cached, PLV0
312 ``KVRANGE`` ``0xC0000000 - 0xFFFFFFFF`` Page-mapped, Cached, PLV0
315 User mode (PLV3) can only access UVRANGE. For direct-mapped KPRANGE0 and
317 direct-mapped VA of 0x00001000 is 0x80001000, and the cached direct-mapped
325 ``XUVRANGE`` ``0x0000000000000000 - Page-mapped, Cached, PLV0~3
[all …]
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| /linux/tools/perf/pmu-events/arch/x86/goldmontplus/ |
| H A D | virtual-memory.json | 7 …prefetches) whose address translations missed in all TLB levels and were mapped to 1GB pages. The…
16 …prefetches) whose address translations missed in all TLB levels and were mapped to 2M or 4M pages.…
25 …prefetches) whose address translations missed in all TLB levels and were mapped to 4K pages. The …
43 …demand data stores whose address translations missed in the TLB and were mapped to 1GB pages. The…
52 …demand data stores whose address translations missed in the TLB and were mapped to 2M or 4M pages.…
61 …demand data stores whose address translations missed in the TLB and were mapped to 4K pages. The …
97 …nstruction fetches whose address translations missed in the TLB and were mapped to 1GB pages. The…
106 …nstruction fetches whose address translations missed in the TLB and were mapped to 2M or 4M pages.…
115 …nstruction fetches whose address translations missed in the TLB and were mapped to 4K pages. The …
|
| /linux/tools/mm/ |
| H A D | thpmaps | 233 # dictionary of statistics describing the mapped THPs.
254 # Account pages for any partially mapped THP at the front. In that case,
259 # Account pages for any partially mapped THP at the back. In that case,
269 # Account fully mapped THPs in the middle of the range.
282 # Account PMD-mapped THPs spearately, so filter out of the stats. There is a
342 # Account blocks that are PMD-mapped spearately, so filter out of the stats.
528 pages are mapped, either system-wide, or for a specified
553 contiguously-mapped THPs whose mapping address is aligned to
555 Separate counters describe THPs mapped by PTE vs those
556 mapped by PMD. (Although note a THP can only be mapped by
[all …]
|
| /linux/tools/perf/pmu-events/arch/x86/elkhartlake/ |
| H A D | virtual-memory.json | 23 …lations missed in all Translation Lookaside Buffer (TLB) levels and were mapped to any page size. …
32 …lations missed in all Translation Lookaside Buffer (TLB) levels and were mapped to 1GB pages. Incl…
41 …lations missed in all Translation Lookaside Buffer (TLB) levels and were mapped to 2M or 4M pages.…
50 …lations missed in all Translation Lookaside Buffer (TLB) levels and were mapped to 4K pages. Inclu…
84 …lations missed in all Translation Lookaside Buffer (TLB) levels and were mapped to any page size. …
93 …lations missed in all Translation Lookaside Buffer (TLB) levels and were mapped to 1G pages. Incl…
102 …lations missed in all Translation Lookaside Buffer (TLB) levels and were mapped to 2M or 4M pages.…
111 …lations missed in all Translation Lookaside Buffer (TLB) levels and were mapped to 4K pages. Incl…
199 …lations missed in all Translation Lookaside Buffer (TLB) levels and were mapped to any page size. …
208 …lations missed in all Translation Lookaside Buffer (TLB) levels and were mapped to 1G pages. Incl…
[all …]
|
| /linux/tools/perf/pmu-events/arch/x86/snowridgex/ |
| H A D | virtual-memory.json | 23 …lations missed in all Translation Lookaside Buffer (TLB) levels and were mapped to any page size. …
32 …lations missed in all Translation Lookaside Buffer (TLB) levels and were mapped to 1GB pages. Incl…
41 …lations missed in all Translation Lookaside Buffer (TLB) levels and were mapped to 2M or 4M pages.…
50 …lations missed in all Translation Lookaside Buffer (TLB) levels and were mapped to 4K pages. Inclu…
84 …lations missed in all Translation Lookaside Buffer (TLB) levels and were mapped to any page size. …
93 …lations missed in all Translation Lookaside Buffer (TLB) levels and were mapped to 1G pages. Incl…
102 …lations missed in all Translation Lookaside Buffer (TLB) levels and were mapped to 2M or 4M pages.…
111 …lations missed in all Translation Lookaside Buffer (TLB) levels and were mapped to 4K pages. Incl…
199 …lations missed in all Translation Lookaside Buffer (TLB) levels and were mapped to any page size. …
208 …lations missed in all Translation Lookaside Buffer (TLB) levels and were mapped to 1G pages. Incl…
[all …]
|
| /linux/mm/ |
| H A D | page_vma_mapped.c | 59 * page is not CPU accessible and thus is mapped as in map_pte()
87 * mapped at the @pvmw->pte
93 * mapped. check_pte() has to validate this.
157 * page_vma_mapped_walk - check if @pvmw->pfn is mapped in @pvmw->vma at
162 * Returns true if the page is mapped in the vma. @pvmw->pmd and @pvmw->pte point
164 * adjusted if needed (for PTE-mapped THPs).
166 * If @pvmw->pmd is set but @pvmw->pte is not, you have found PMD-mapped page
167 * (usually THP). For PTE-mapped THP, you should run page_vma_mapped_walk() in
171 * regardless of which page table level the page is mapped at. @pvmw->pmd is
339 * page_mapped_in_vma - check whether a page is really mapped in a VMA
[all …]
|
| /linux/Documentation/userspace-api/media/dvb/ |
| H A D | dmx-munmap.rst | 31 Address of the mapped buffer as returned by the
35 Length of the mapped buffer. This must be the same value as given to
41 Unmaps a previously with the :c:func:`mmap()` function mapped
52 mapped yet.
|
| /linux/Documentation/userspace-api/media/v4l/ |
| H A D | func-munmap.rst | 29 Address of the mapped buffer as returned by the
33 Length of the mapped buffer. This must be the same value as given to
43 Unmaps a previously with the :c:func:`mmap()` function mapped
54 mapped yet.
|
| /linux/drivers/iommu/ |
| H A D | io-pgtable-arm-selftests.c | 60 size_t size, mapped; in arm_lpae_run_tests() local
94 GFP_KERNEL, &mapped)) in arm_lpae_run_tests()
100 GFP_KERNEL, &mapped)) in arm_lpae_run_tests()
122 IOMMU_WRITE, GFP_KERNEL, &mapped)) in arm_lpae_run_tests()
135 mapped = 0; in arm_lpae_run_tests()
141 GFP_KERNEL, &mapped)) in arm_lpae_run_tests()
143 if (mapped != size) in arm_lpae_run_tests()
|
| /linux/drivers/remoteproc/ |
| H A D | pru_rproc.h | 18 * PRU system events are mapped to channels, and these channels are mapped
19 * to host interrupts. Events can be mapped to channels in a one-to-one or
21 * mapped to host interrupts in a one-to-one or many-to-one ratio (multiple
|
| /linux/drivers/gpu/drm/sti/ |
| H A D | NOTES | 39 These IP are mapped to the DRM objects as following:
40 - The CRTCs are mapped to the Compositor Main and Aux Mixers
41 - The Framebuffers and planes are mapped to the Compositor GDP (non video
43 - The Cursor is mapped to the Compositor Cursor
44 - The Encoders are mapped to the TVOut
45 - The Bridges/Connectors are mapped to the HDMI / DVO / HD Analog / SD analog
|
| /linux/include/uapi/xen/ |
| H A D | gntdev.h | 41 /* The domain ID of the grant to be mapped. */
43 /* The grant reference of the grant to be mapped. */
62 /* The number of grants to be mapped. */
96 * N.B. Where more than one page has been mapped into a contiguous range, the
105 /* The virtual address of the first mapped page in a range. */
110 /* The number of pages mapped in the VM area that begins at @vaddr. */
116 * Sets the maximum number of grants that may mapped at once by this gntdev
125 /* The maximum number of grants that may be mapped at once. */
134 * Each mapped page only supports one notification; multiple calls referring to
252 /* The domain ID of the grant references to be mapped. */
|