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/linux/drivers/hv/
H A Dmshv_regions.c5 * Memory region management for mshv_root module.
57 * in a region.
58 * @region : Pointer to the memory region structure.
60 * @page_offset: Offset into the region's pages array to start processing.
64 * This function scans the region's pages starting from @page_offset,
75 static long mshv_region_process_chunk(struct mshv_mem_region *region,
78 int (*handler)(struct mshv_mem_region *region, in mshv_region_process_chunk()
84 u64 gfn = region->start_gfn + page_offset; in mshv_region_process_chunk()
90 page = region in mshv_region_process_chunk()
77 mshv_region_process_chunk(struct mshv_mem_region * region,u32 flags,u64 page_offset,u64 page_count,int (* handler)(struct mshv_mem_region * region,u32 flags,u64 page_offset,u64 page_count,bool huge_page)) mshv_region_process_chunk() argument
80 mshv_region_process_chunk(struct mshv_mem_region * region,u32 flags,u64 page_offset,u64 page_count,int (* handler)(struct mshv_mem_region * region,u32 flags,u64 page_offset,u64 page_count,bool huge_page)) mshv_region_process_chunk() argument
139 mshv_region_process_range(struct mshv_mem_region * region,u32 flags,u64 page_offset,u64 page_count,int (* handler)(struct mshv_mem_region * region,u32 flags,u64 page_offset,u64 page_count,bool huge_page)) mshv_region_process_range() argument
142 mshv_region_process_range(struct mshv_mem_region * region,u32 flags,u64 page_offset,u64 page_count,int (* handler)(struct mshv_mem_region * region,u32 flags,u64 page_offset,u64 page_count,bool huge_page)) mshv_region_process_range() argument
178 struct mshv_mem_region *region; mshv_region_create() local
198 mshv_region_chunk_share(struct mshv_mem_region * region,u32 flags,u64 page_offset,u64 page_count,bool huge_page) mshv_region_chunk_share() argument
214 mshv_region_share(struct mshv_mem_region * region) mshv_region_share() argument
223 mshv_region_chunk_unshare(struct mshv_mem_region * region,u32 flags,u64 page_offset,u64 page_count,bool huge_page) mshv_region_chunk_unshare() argument
237 mshv_region_unshare(struct mshv_mem_region * region) mshv_region_unshare() argument
246 mshv_region_chunk_remap(struct mshv_mem_region * region,u32 flags,u64 page_offset,u64 page_count,bool huge_page) mshv_region_chunk_remap() argument
260 mshv_region_remap_pages(struct mshv_mem_region * region,u32 map_flags,u64 page_offset,u64 page_count) mshv_region_remap_pages() argument
269 mshv_region_map(struct mshv_mem_region * region) mshv_region_map() argument
277 mshv_region_invalidate_pages(struct mshv_mem_region * region,u64 page_offset,u64 page_count) mshv_region_invalidate_pages() argument
287 mshv_region_invalidate(struct mshv_mem_region * region) mshv_region_invalidate() argument
292 mshv_region_pin(struct mshv_mem_region * region) mshv_region_pin() argument
330 mshv_region_chunk_unmap(struct mshv_mem_region * region,u32 flags,u64 page_offset,u64 page_count,bool huge_page) mshv_region_chunk_unmap() argument
343 mshv_region_unmap(struct mshv_mem_region * region) mshv_region_unmap() argument
352 struct mshv_mem_region *region = mshv_region_destroy() local
377 mshv_region_put(struct mshv_mem_region * region) mshv_region_put() argument
382 mshv_region_get(struct mshv_mem_region * region) mshv_region_get() argument
404 mshv_region_hmm_fault_and_lock(struct mshv_mem_region * region,struct hmm_range * range) mshv_region_hmm_fault_and_lock() argument
439 mshv_region_range_fault(struct mshv_mem_region * region,u64 page_offset,u64 page_count) mshv_region_range_fault() argument
477 mshv_region_handle_gfn_fault(struct mshv_mem_region * region,u64 gfn) mshv_region_handle_gfn_fault() argument
523 struct mshv_mem_region *region = container_of(mni, mshv_region_interval_invalidate() local
571 mshv_region_movable_fini(struct mshv_mem_region * region) mshv_region_movable_fini() argument
576 mshv_region_movable_init(struct mshv_mem_region * region) mshv_region_movable_init() argument
[all...]
/linux/drivers/fpga/
H A Ddfl-afu-dma-region.c35 struct dfl_afu_dma_region *region) in afu_dma_pin_pages() argument
37 int npages = region->length >> PAGE_SHIFT; in afu_dma_pin_pages()
45 region->pages = kzalloc_objs(struct page *, npages); in afu_dma_pin_pages()
46 if (!region->pages) { in afu_dma_pin_pages()
51 pinned = pin_user_pages_fast(region->user_addr, npages, FOLL_WRITE, in afu_dma_pin_pages()
52 region->pages); in afu_dma_pin_pages()
66 unpin_user_pages(region->pages, pinned); in afu_dma_pin_pages()
68 kfree(region->pages); in afu_dma_pin_pages()
83 struct dfl_afu_dma_region *region) in afu_dma_unpin_pages() argument
85 long npages = region->length >> PAGE_SHIFT; in afu_dma_unpin_pages()
[all …]
H A Dfpga-region.c46 static struct fpga_region *fpga_region_get(struct fpga_region *region) in fpga_region_get() argument
48 struct device *dev = &region->dev; in fpga_region_get()
50 if (!mutex_trylock(&region->mutex)) { in fpga_region_get()
56 if (!try_module_get(region->ops_owner)) { in fpga_region_get()
58 mutex_unlock(&region->mutex); in fpga_region_get()
64 return region; in fpga_region_get()
72 static void fpga_region_put(struct fpga_region *region) in fpga_region_put() argument
74 struct device *dev = &region->dev; in fpga_region_put()
78 module_put(region->ops_owner); in fpga_region_put()
80 mutex_unlock(&region->mutex); in fpga_region_put()
[all …]
/linux/net/devlink/
H A Dregion.c29 struct devlink_region *region; member
37 struct devlink_region *region; in devlink_region_get_by_name() local
39 list_for_each_entry(region, &devlink->region_list, list) in devlink_region_get_by_name()
40 if (!strcmp(region->ops->name, region_name)) in devlink_region_get_by_name()
41 return region; in devlink_region_get_by_name()
50 struct devlink_region *region; in devlink_port_region_get_by_name() local
52 list_for_each_entry(region, &port->region_list, list) in devlink_port_region_get_by_name()
53 if (!strcmp(region->port_ops->name, region_name)) in devlink_port_region_get_by_name()
54 return region; in devlink_port_region_get_by_name()
60 devlink_region_snapshot_get_by_id(struct devlink_region *region, u32 id) in devlink_region_snapshot_get_by_id() argument
[all …]
/linux/tools/testing/selftests/kvm/lib/
H A Dkvm_util.c266 * range addressed by a single page table into a low and high region
268 * the VA region spans [0, 2^(va_bits - 1)), [-(2^(va_bits - 1), -1].
424 * maximum page table size for a memory region will be when the in vm_nr_pages_required()
496 * Force GUEST_MEMFD for the primary memory region if necessary, e.g. in __vm_create()
513 * MMIO region would prevent silently clobbering the MMIO region. in __vm_create()
516 ucall_init(vm, slot0->region.guest_phys_addr + slot0->region.memory_size); in __vm_create()
596 struct userspace_mem_region *region; in kvm_vm_restart() local
602 hash_for_each(vmp->regions.slot_hash, ctr, region, slot_nod in kvm_vm_restart()
723 struct userspace_mem_region *region = userspace_mem_region_find() local
806 __vm_mem_region_delete(struct kvm_vm * vm,struct userspace_mem_region * region) __vm_mem_region_delete() argument
833 struct userspace_mem_region *region; kvm_vm_free() local
870 vm_userspace_mem_region_gpa_insert(struct rb_root * gpa_tree,struct userspace_mem_region * region) vm_userspace_mem_region_gpa_insert() argument
896 vm_userspace_mem_region_hva_insert(struct rb_root * hva_tree,struct userspace_mem_region * region) vm_userspace_mem_region_hva_insert() argument
924 struct kvm_userspace_memory_region region = { __vm_set_user_memory_region() local
952 struct kvm_userspace_memory_region2 region = { __vm_set_user_memory_region2() local
985 struct userspace_mem_region *region; vm_mem_add() local
1167 struct userspace_mem_region *region; memslot2region() local
1199 struct userspace_mem_region *region; vm_mem_region_set_flags() local
1214 struct userspace_mem_region *region = memslot2region(vm, slot); vm_mem_region_reload() local
1238 struct userspace_mem_region *region; vm_mem_region_move() local
1267 struct userspace_mem_region *region = memslot2region(vm, slot); vm_mem_region_delete() local
1279 struct userspace_mem_region *region; vm_guest_mem_fallocate() local
1546 struct userspace_mem_region *region; addr_gpa2hva() local
1582 struct userspace_mem_region *region = addr_hva2gpa() local
1622 struct userspace_mem_region *region; addr_gpa2alias() local
1892 struct userspace_mem_region *region; vm_dump() local
2028 struct userspace_mem_region *region; __vm_phy_pages_alloc() local
2292 struct userspace_mem_region *region; vm_is_gpa_protected() local
[all...]
/linux/tools/testing/selftests/vfio/
H A Dvfio_dma_mapping_test.c138 struct dma_region region; in TEST_F() local
144 region.vaddr = mmap(NULL, size, PROT_READ | PROT_WRITE, flags, -1, 0); in TEST_F()
147 if (flags & MAP_HUGETLB && region.vaddr == MAP_FAILED) in TEST_F()
150 ASSERT_NE(region.vaddr, MAP_FAILED); in TEST_F()
152 region.iova = iova_allocator_alloc(self->iova_allocator, size); in TEST_F()
153 region.size = size; in TEST_F()
155 iommu_map(self->iommu, &region); in TEST_F()
156 printf("Mapped HVA %p (size 0x%lx) at IOVA 0x%lx\n", region.vaddr, size, region.iova); in TEST_F()
158 ASSERT_EQ(region in TEST_F()
206 struct dma_region region; FIXTURE() local
225 struct dma_region *region = &self->region; FIXTURE_SETUP() local
262 struct dma_region *region = &self->region; TEST_F() local
276 struct dma_region *region = &self->region; TEST_F() local
290 struct dma_region *region = &self->region; TEST_F() local
[all...]
/linux/drivers/net/ethernet/mellanox/mlxsw/
H A Dspectrum1_acl_tcam.c14 struct mlxsw_sp_acl_tcam_region *region; member
62 struct mlxsw_sp1_acl_tcam_region *region) in mlxsw_sp1_acl_ctcam_region_catchall_add() argument
67 mlxsw_sp_acl_ctcam_chunk_init(&region->cregion, in mlxsw_sp1_acl_ctcam_region_catchall_add()
68 &region->catchall.cchunk, in mlxsw_sp1_acl_ctcam_region_catchall_add()
81 err = mlxsw_sp_acl_ctcam_entry_add(mlxsw_sp, &region->cregion, in mlxsw_sp1_acl_ctcam_region_catchall_add()
82 &region->catchall.cchunk, in mlxsw_sp1_acl_ctcam_region_catchall_add()
83 &region->catchall.centry, in mlxsw_sp1_acl_ctcam_region_catchall_add()
87 region->catchall.rulei = rulei; in mlxsw_sp1_acl_ctcam_region_catchall_add()
95 mlxsw_sp_acl_ctcam_chunk_fini(&region->catchall.cchunk); in mlxsw_sp1_acl_ctcam_region_catchall_add()
101 struct mlxsw_sp1_acl_tcam_region *region) in mlxsw_sp1_acl_ctcam_region_catchall_del() argument
[all …]
H A Dspectrum_acl_ctcam.c15 struct mlxsw_sp_acl_tcam_region *region, in mlxsw_sp_acl_ctcam_region_resize() argument
21 region->key_type, new_size, region->id, in mlxsw_sp_acl_ctcam_region_resize()
22 region->tcam_region_info); in mlxsw_sp_acl_ctcam_region_resize()
28 struct mlxsw_sp_acl_tcam_region *region, in mlxsw_sp_acl_ctcam_region_move() argument
34 region->tcam_region_info, src_offset, in mlxsw_sp_acl_ctcam_region_move()
35 region->tcam_region_info, dst_offset, size); in mlxsw_sp_acl_ctcam_region_move()
46 struct mlxsw_sp_acl_tcam_region *region = cregion->region; in mlxsw_sp_acl_ctcam_region_entry_insert() local
61 region->tcam_region_info, in mlxsw_sp_acl_ctcam_region_entry_insert()
65 mlxsw_afk_encode(afk, region->key_info, &rulei->values, key, mask); in mlxsw_sp_acl_ctcam_region_entry_insert()
94 cregion->region->tcam_region_info, in mlxsw_sp_acl_ctcam_region_entry_remove()
[all …]
H A Dspectrum2_acl_tcam.c18 struct mlxsw_sp_acl_tcam_region *region; member
155 struct mlxsw_sp2_acl_tcam_region *region = region_priv; in mlxsw_sp2_acl_tcam_region_init() local
158 region->region = _region; in mlxsw_sp2_acl_tcam_region_init()
161 &region->aregion, in mlxsw_sp2_acl_tcam_region_init()
169 struct mlxsw_sp2_acl_tcam_region *region = region_priv; in mlxsw_sp2_acl_tcam_region_fini() local
171 mlxsw_sp_acl_atcam_region_fini(&region->aregion); in mlxsw_sp2_acl_tcam_region_fini()
176 struct mlxsw_sp_acl_tcam_region *region) in mlxsw_sp2_acl_tcam_region_associate() argument
178 return mlxsw_sp_acl_atcam_region_associate(mlxsw_sp, region->id); in mlxsw_sp2_acl_tcam_region_associate()
183 struct mlxsw_sp2_acl_tcam_region *region = region_priv; in mlxsw_sp2_acl_tcam_region_rehash_hints_get() local
185 return mlxsw_sp_acl_atcam_rehash_hints_get(&region->aregion); in mlxsw_sp2_acl_tcam_region_rehash_hints_get()
[all …]
H A Dspectrum_acl_tcam.c149 struct mlxsw_sp_acl_tcam_region *region; member
169 struct mlxsw_sp_acl_tcam_region *region; member
210 struct mlxsw_sp_acl_tcam_region *region; in mlxsw_sp_acl_tcam_group_update() local
215 list_for_each_entry(region, &group->region_list, list) { in mlxsw_sp_acl_tcam_group_update()
219 if (region->list.next != &group->region_list && in mlxsw_sp_acl_tcam_group_update()
220 list_next_entry(region, list)->vregion == region->vregion) in mlxsw_sp_acl_tcam_group_update()
223 region->id, multi); in mlxsw_sp_acl_tcam_group_update()
385 struct mlxsw_sp_acl_tcam_region *region, in mlxsw_sp_acl_tcam_group_region_attach() argument
413 list_add_tail(&region->list, pos); in mlxsw_sp_acl_tcam_group_region_attach()
414 region->group = group; in mlxsw_sp_acl_tcam_group_region_attach()
[all …]
/linux/drivers/vfio/pci/pds/
H A Ddirty.c72 static int pds_vfio_dirty_alloc_bitmaps(struct pds_vfio_region *region, in pds_vfio_dirty_alloc_bitmaps() argument
87 region->host_seq = host_seq_bmp; in pds_vfio_dirty_alloc_bitmaps()
88 region->host_ack = host_ack_bmp; in pds_vfio_dirty_alloc_bitmaps()
89 region->bmp_bytes = bytes; in pds_vfio_dirty_alloc_bitmaps()
100 struct pds_vfio_region *region = &dirty->regions[i]; in pds_vfio_dirty_free_bitmaps() local
102 vfree(region->host_seq); in pds_vfio_dirty_free_bitmaps()
103 vfree(region->host_ack); in pds_vfio_dirty_free_bitmaps()
104 region->host_seq = NULL; in pds_vfio_dirty_free_bitmaps()
105 region->host_ack = NULL; in pds_vfio_dirty_free_bitmaps()
106 region->bmp_bytes = 0; in pds_vfio_dirty_free_bitmaps()
[all …]
/linux/drivers/platform/x86/intel/pmt/
H A Ddiscovery-kunit.c27 struct telemetry_region *region = &feature_group->regions[i]; in validate_pmt_regions() local
30 i, region->plat_info.cdie_mask, region->plat_info.package_id, in validate_pmt_regions()
31 region->plat_info.partition, region->plat_info.segment); in validate_pmt_regions()
33 region->plat_info.bus_number, region->plat_info.device_number, in validate_pmt_regions()
34 region->plat_info.function_number, region->guid); in validate_pmt_regions()
35 kunit_info(test, "\t\taddr=%p, size=%zu, num_rmids=%u", region->addr, region->size, in validate_pmt_regions()
36 region->num_rmids); in validate_pmt_regions()
39 KUNIT_ASSERT_GE(test, region->plat_info.cdie_mask, 0); in validate_pmt_regions()
40 KUNIT_ASSERT_GE(test, region->plat_info.package_id, 0); in validate_pmt_regions()
41 KUNIT_ASSERT_GE(test, region->plat_info.partition, 0); in validate_pmt_regions()
[all …]
/linux/kernel/cgroup/
H A Ddmem.c63 struct dmem_cgroup_region *region; member
137 kref_put(&pool->region->ref, dmemcg_free_region); in dmemcg_pool_free_rcu()
234 find_cg_pool_locked(struct dmemcg_state *dmemcs, struct dmem_cgroup_region *region) in find_cg_pool_locked() argument
239 if (pool->region == region) in find_cg_pool_locked()
271 if (pool->region == limit_pool->region) { in dmem_cgroup_calculate_protection()
355 alloc_pool_single(struct dmemcg_state *dmemcs, struct dmem_cgroup_region *region, in alloc_pool_single() argument
370 pool->region = region; in alloc_pool_single()
374 ppool = find_cg_pool_locked(parent, region); in alloc_pool_single()
380 kref_get(&region->ref); in alloc_pool_single()
387 list_add_tail(&pool->region_node, &region->pools); in alloc_pool_single()
[all …]
/linux/arch/x86/boot/compressed/
H A Dkaslr.c143 * memmap=nn@ss specifies usable region, should in parse_memmap()
363 * Avoid the region that is unsafe to overlap during in mem_avoid_init()
402 * overlap region with the lowest address.
464 static void store_slot_info(struct mem_vector *region, unsigned long image_size) in store_slot_info()
471 slot_area.addr = region->start; in store_slot_info()
472 slot_area.num = 1 + (region->size - image_size) / CONFIG_PHYSICAL_ALIGN; in store_slot_info()
479 * Skip as many 1GB huge pages as possible in the passed region
483 process_gb_huge_pages(struct mem_vector *region, unsigned long image_size) in process_gb_huge_pages()
490 store_slot_info(region, image_size); in process_gb_huge_pages()
494 /* Are there any 1GB pages in the region in process_gb_huge_pages()
463 store_slot_info(struct mem_vector * region,unsigned long image_size) store_slot_info() argument
482 process_gb_huge_pages(struct mem_vector * region,unsigned long image_size) process_gb_huge_pages() argument
555 struct mem_vector region, overlap; __process_mem_region() local
595 process_mem_region(struct mem_vector * region,unsigned long minimum,unsigned long image_size) process_mem_region() argument
682 struct mem_vector region; process_efi_entries() local
747 struct mem_vector region; process_e820_entries() local
794 struct mem_vector region = { process_kho_entries() local
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/linux/drivers/s390/cio/
H A Dvfio_ccw_chp.c22 struct ccw_schib_region *region; in vfio_ccw_schib_region_read() local
25 if (pos + count > sizeof(*region)) in vfio_ccw_schib_region_read()
29 region = private->region[i].data; in vfio_ccw_schib_region_read()
36 memcpy(region, &sch->schib, sizeof(*region)); in vfio_ccw_schib_region_read()
38 if (copy_to_user(buf, (void *)region + pos, count)) { in vfio_ccw_schib_region_read()
59 struct vfio_ccw_region *region) in vfio_ccw_schib_region_release() argument
86 struct ccw_crw_region *region; in vfio_ccw_crw_region_read() local
90 if (pos + count > sizeof(*region)) in vfio_ccw_crw_region_read()
100 region = private->region[i].data; in vfio_ccw_crw_region_read()
103 memcpy(&region->crw, &crw->crw, sizeof(region->crw)); in vfio_ccw_crw_region_read()
[all …]
H A Dvfio_ccw_async.c20 struct ccw_cmd_region *region; in vfio_ccw_async_region_read() local
23 if (pos + count > sizeof(*region)) in vfio_ccw_async_region_read()
27 region = private->region[i].data; in vfio_ccw_async_region_read()
28 if (copy_to_user(buf, (void *)region + pos, count)) in vfio_ccw_async_region_read()
42 struct ccw_cmd_region *region; in vfio_ccw_async_region_write() local
45 if (pos + count > sizeof(*region)) in vfio_ccw_async_region_write()
51 region = private->region[i].data; in vfio_ccw_async_region_write()
52 if (copy_from_user((void *)region + pos, buf, count)) { in vfio_ccw_async_region_write()
59 ret = region->ret_code ? region->ret_code : count; in vfio_ccw_async_region_write()
67 struct vfio_ccw_region *region) in vfio_ccw_async_region_release() argument
/linux/tools/testing/selftests/mm/
H A Drmap.c60 char *region; member
199 if (data->region != MAP_FAILED) in FIXTURE_TEARDOWN()
200 munmap(data->region, data->mapsize); in FIXTURE_TEARDOWN()
201 data->region = MAP_FAILED; in FIXTURE_TEARDOWN()
227 FORCE_READ(*data->region); in access_region()
230 int try_to_move_page(char *region) in try_to_move_page() argument
237 ret = move_pages(0, 1, (void **)&region, NULL, &status, MPOL_MF_MOVE_ALL); in try_to_move_page()
255 ret = move_pages(0, 1, (void **)&region, &node, &status, MPOL_MF_MOVE_ALL); in try_to_move_page()
280 ret = try_to_move_page(data->region); in move_region()
287 *data->expected_pfn = pagemap_get_pfn(pagemap_fd, data->region); in move_region()
[all …]
/linux/drivers/acpi/pmic/
H A DKconfig4 bool "PMIC (Power Management Integrated Circuit) operation region support"
7 region of the PMIC chip. The operation region can be used
14 bool "ACPI operation region support for Bay Trail Crystal Cove PMIC"
17 This config adds ACPI operation region support for the Bay Trail
21 bool "ACPI operation region support for Cherry Trail Crystal Cove PMIC"
24 This config adds ACPI operation region support for the Cherry Trail
28 bool "ACPI operation region support for XPower AXP288 PMIC"
31 This config adds ACPI operation region support for XPower AXP288 PMIC.
34 bool "ACPI operation region support for BXT WhiskeyCove PMIC"
37 This config adds ACPI operation region support for BXT WhiskeyCove PMIC.
[all …]
/linux/drivers/mtd/maps/
H A Dpismo.c89 struct pismo_mem *region, const char *name, in pismo_add_device() argument
94 phys_addr_t base = region->base; in pismo_add_device()
101 res.end = base + region->size - 1; in pismo_add_device()
131 struct pismo_mem *region) in pismo_add_nor() argument
134 .width = region->width, in pismo_add_nor()
140 return pismo_add_device(pismo, i, region, "physmap-flash", in pismo_add_nor()
145 struct pismo_mem *region) in pismo_add_sram() argument
148 .bankwidth = region->width, in pismo_add_sram()
151 return pismo_add_device(pismo, i, region, "mtd-ram", in pismo_add_sram()
159 struct pismo_mem region; in pismo_add_one() local
[all …]
/linux/drivers/fpga/tests/
H A Dfpga-region-test.c32 struct fpga_region *region; member
90 static int fake_region_get_bridges(struct fpga_region *region) in fake_region_get_bridges() argument
92 struct fpga_bridge *bridge = region->priv; in fake_region_get_bridges()
94 return fpga_bridge_get_to_list(bridge->dev.parent, region->info, &region->bridge_list); in fake_region_get_bridges()
105 struct fpga_region *region; in fpga_region_test_class_find() local
107 region = fpga_region_class_find(NULL, ctx->region_dev, fake_region_match); in fpga_region_test_class_find()
108 KUNIT_EXPECT_PTR_EQ(test, region, ctx->region); in fpga_region_test_class_find()
110 put_device(&region->dev); in fpga_region_test_class_find()
133 ctx->region->info = img_info; in fpga_region_test_program_fpga()
134 ret = fpga_region_program_fpga(ctx->region); in fpga_region_test_program_fpga()
[all …]
/linux/Documentation/networking/devlink/
H A Diosm.rst61 data required for flashing. The data like region count and address of each region
109 - The summary of exception details logged as part of this region.
111 - This region contains the details related to the exception occurred in the
114 - This region contains the logs related to the modem CDD driver.
116 - This region contains the eeprom logs.
118 - This region contains the current instance of bootloader logs.
120 - This region contains the previous instance of bootloader logs.
126 $ devlink region show
128 $ devlink region new pci/0000:02:00.0/report.json
130 $ devlink region dump pci/0000:02:00.0/report.json snapshot 0
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H A Ddevlink-region.rst11 region can then be accessed via the devlink region interface.
17 Snapshot identifiers are scoped to the devlink instance, not a region.
21 The major benefit to creating a region is to provide access to internal
29 requested snapshots must implement the ``.snapshot`` callback for the region
38 region should implement the ``.read`` callback in the ``devlink_region_ops``
48 $ devlink region help
49 $ devlink region show [ DEV/REGION ]
50 $ devlink region del DEV/REGION snapshot SNAPSHOT_ID
51 $ devlink region dump DEV/REGION [ snapshot SNAPSHOT_ID ]
52 $ devlink region read DEV/REGION [ snapshot SNAPSHOT_ID ] address ADDRESS length LENGTH
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/linux/tools/testing/selftests/vfio/lib/
H A Diommu.c71 struct dma_region *region; in __iommu_hva2iova() local
73 list_for_each_entry(region, &iommu->dma_regions, link) { in __iommu_hva2iova()
74 if (vaddr < region->vaddr) in __iommu_hva2iova()
77 if (vaddr >= region->vaddr + region->size) in __iommu_hva2iova()
81 *iova = region->iova + (vaddr - region->vaddr); in __iommu_hva2iova()
100 static int vfio_iommu_map(struct iommu *iommu, struct dma_region *region) in vfio_iommu_map() argument
105 .vaddr = (u64)region->vaddr, in vfio_iommu_map()
106 .iova = region->iova, in vfio_iommu_map()
107 .size = region->size, in vfio_iommu_map()
116 static int iommufd_map(struct iommu *iommu, struct dma_region *region) in iommufd_map() argument
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/linux/drivers/virt/acrn/
H A Dmm.c19 static int modify_region(struct acrn_vm *vm, struct vm_memory_region_op *region) in modify_region() argument
30 regions->regions_gpa = virt_to_phys(region); in modify_region()
55 struct vm_memory_region_op *region; in acrn_mm_region_add() local
58 region = kzalloc_obj(*region); in acrn_mm_region_add()
59 if (!region) in acrn_mm_region_add()
62 region->type = ACRN_MEM_REGION_ADD; in acrn_mm_region_add()
63 region->user_vm_pa = user_gpa; in acrn_mm_region_add()
64 region->service_vm_pa = service_gpa; in acrn_mm_region_add()
65 region->size = size; in acrn_mm_region_add()
66 region->attr = ((mem_type & ACRN_MEM_TYPE_MASK) | in acrn_mm_region_add()
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/linux/drivers/mtd/nand/spi/
H A Dwinbond.c264 struct mtd_oob_region *region) in w35n01jw_ooblayout_free()
269 region->offset = (16 * section) + 8; in w35n01jw_ooblayout_free()
270 region->length = 8; in w35n01jw_ooblayout_free()
276 struct mtd_oob_region *region) in w35n01jw_ooblayout_free()
281 region->offset = (16 * section) + 2;
282 region->length = 6;
303 struct mtd_oob_region *region) in w25n02kv_ecc_get_status()
308 region->offset = 64 + (8 * section); in w25n02kv_ecc_get_status()
309 region->length = 7; in w25n02kv_ecc_get_status()
315 struct mtd_oob_region *region) in w25n02kv_ecc_get_status()
136 w25m02gv_ooblayout_ecc(struct mtd_info * mtd,int section,struct mtd_oob_region * region) w25m02gv_ooblayout_ecc() argument
148 w25m02gv_ooblayout_free(struct mtd_info * mtd,int section,struct mtd_oob_region * region) w25m02gv_ooblayout_free() argument
175 w25n01kv_ooblayout_ecc(struct mtd_info * mtd,int section,struct mtd_oob_region * region) w25n01kv_ooblayout_ecc() argument
187 w25n02kv_ooblayout_ecc(struct mtd_info * mtd,int section,struct mtd_oob_region * region) w25n02kv_ooblayout_ecc() argument
199 w25n02kv_ooblayout_free(struct mtd_info * mtd,int section,struct mtd_oob_region * region) w25n02kv_ooblayout_free() argument
221 w25n01jw_ooblayout_ecc(struct mtd_info * mtd,int section,struct mtd_oob_region * region) w25n01jw_ooblayout_ecc() argument
233 w25n01jw_ooblayout_free(struct mtd_info * mtd,int section,struct mtd_oob_region * region) w25n01jw_ooblayout_free() argument
251 w35n01jw_ooblayout_ecc(struct mtd_info * mtd,int section,struct mtd_oob_region * region) w35n01jw_ooblayout_ecc() argument
263 w35n01jw_ooblayout_free(struct mtd_info * mtd,int section,struct mtd_oob_region * region) w35n01jw_ooblayout_free() argument
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