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No. A compact 64k page != 64k pages. Also compact 4k pages is not a thing. Matt > > Regards, > Kamil > > > 64k pages. > > > > v2: > > - Use SZ_* (Zbigniew) > > - Remove clock block (Zbigniew) > > - Update commit message / comments > > v3: > > - Send correct version > > > > Cc: Zbigniew Kempczyński > > Signed-off-by: Matthew Brost > > --- > > tests/intel/xe_vm.c | 125 ++++++++++++++++++++++++++++++++++++++++++++ > > 1 file changed, 125 insertions(+) > > > > diff --git a/tests/intel/xe_vm.c b/tests/intel/xe_vm.c > > index a4f6c7a0b4..f41c6aca53 100644 > > --- a/tests/intel/xe_vm.c > > +++ b/tests/intel/xe_vm.c > > @@ -366,6 +366,125 @@ static void userptr_invalid(int fd) > > xe_vm_destroy(fd, vm); > > } > > > > +/** > > + * SUBTEST: compact-64k-pages > > + * Description: > > + * Take corner cases related to compact and 64k pages > > + * Functionality: bind > > + * Test category: functionality test > > + */ > > +static void compact_64k_pages(int fd, struct drm_xe_engine_class_instance *eci) > > +{ > > + size_t page_size = xe_get_default_alignment(fd); > > + uint64_t addr0 = 0x10000000ull, addr1; > > + uint32_t vm; > > + uint32_t bo0, bo1; > > + uint32_t exec_queue; > > + void *ptr0, *ptr1; > > + struct drm_xe_sync sync[2] = { > > + { .type = DRM_XE_SYNC_TYPE_SYNCOBJ, > > + .flags = DRM_XE_SYNC_FLAG_SIGNAL, }, > > + { .type = DRM_XE_SYNC_TYPE_SYNCOBJ, > > + .flags = DRM_XE_SYNC_FLAG_SIGNAL, }, > > + }; > > + struct { > > + uint32_t batch[16]; > > + uint64_t pad; > > + uint32_t data; > > + } *data = NULL; > > + struct drm_xe_exec exec = { > > + .num_batch_buffer = 1, > > + .num_syncs = 2, > > + .syncs = to_user_pointer(sync), > > + }; > > + uint64_t batch_offset; > > + uint64_t batch_addr; > > + uint64_t sdi_offset; > > + uint64_t sdi_addr; > > + int b = 0; > > + > > + vm = xe_vm_create(fd, 0, 0); > > + exec_queue = xe_exec_queue_create(fd, vm, eci, 0); > > + > > + bo0 = xe_bo_create(fd, vm, SZ_8M, > > + vram_if_possible(fd, eci->gt_id), > > + DRM_XE_GEM_CREATE_FLAG_NEEDS_VISIBLE_VRAM); > > + ptr0 = xe_bo_map(fd, bo0, SZ_8M); > > + > > + bo1 = xe_bo_create(fd, vm, SZ_8M / 2, > > + vram_if_possible(fd, eci->gt_id), > > + DRM_XE_GEM_CREATE_FLAG_NEEDS_VISIBLE_VRAM); > > + ptr1 = xe_bo_map(fd, bo1, SZ_8M / 2); > > + > > + sync[0].handle = syncobj_create(fd, 0); > > + if (page_size == SZ_4K) { > > + /* Setup mapping to split a 64k PTE in cache */ > > + xe_vm_bind_async(fd, vm, 0, bo0, 0, addr0, SZ_64K, 0, 0); > > + > > + addr1 = addr0 + (SZ_64K / 2); > > + xe_vm_bind_async(fd, vm, 0, bo1, 0, addr1, SZ_64K / 2, > > + sync, 1); > > + } else if (page_size == SZ_64K) { > > + addr0 += page_size; > > + > > + /* Setup mapping to split compact 64k pages */ > > + xe_vm_bind_async(fd, vm, 0, bo0, 0, addr0, SZ_8M, 0, 0); > > + > > + addr1 = addr0 + (SZ_8M / 4); > > + xe_vm_bind_async(fd, vm, 0, bo1, 0, addr1, SZ_8M / 2, > > + sync, 1); > > + } > > + igt_assert(syncobj_wait(fd, &sync[0].handle, 1, INT64_MAX, 0, NULL)); > > + > > + /* Verify 1st and 2nd mappings working */ > > + batch_offset = (char *)&data[0].batch - (char *)data; > > + batch_addr = addr0 + batch_offset; > > + sdi_offset = (char *)&data[0].data - (char *)data; > > + sdi_addr = addr0 + sdi_offset; > > + data = ptr0; > > + > > + data[0].batch[b++] = MI_STORE_DWORD_IMM_GEN4; > > + data[0].batch[b++] = sdi_addr; > > + data[0].batch[b++] = sdi_addr >> 32; > > + data[0].batch[b++] = 0xc0ffee; > > + > > + sdi_addr = addr1 + sdi_offset; > > + data[0].batch[b++] = MI_STORE_DWORD_IMM_GEN4; > > + data[0].batch[b++] = sdi_addr; > > + data[0].batch[b++] = sdi_addr >> 32; > > + data[0].batch[b++] = 0xc0ffee; > > + > > + data[0].batch[b++] = MI_BATCH_BUFFER_END; > > + igt_assert(b <= ARRAY_SIZE(data[0].batch)); > > + > > + sync[0].flags &= ~DRM_XE_SYNC_FLAG_SIGNAL; > > + sync[1].handle = syncobj_create(fd, 0); > > + exec.exec_queue_id = exec_queue; > > + exec.address = batch_addr; > > + xe_exec(fd, &exec); > > + > > + igt_assert(syncobj_wait(fd, &sync[1].handle, 1, INT64_MAX, 0, > > + NULL)); > > + igt_assert_eq(data[0].data, 0xc0ffee); > > + data = ptr1; > > + igt_assert_eq(data[0].data, 0xc0ffee); > > + > > + sync[0].flags |= DRM_XE_SYNC_FLAG_SIGNAL; > > + syncobj_reset(fd, &sync[0].handle, 1); > > + xe_vm_unbind_all_async(fd, vm, 0, bo0, 0, 0); > > + xe_vm_unbind_all_async(fd, vm, 0, bo1, sync, 1); > > + igt_assert(syncobj_wait(fd, &sync[0].handle, 1, INT64_MAX, 0, NULL)); > > + > > + xe_exec_queue_destroy(fd, exec_queue); > > + syncobj_destroy(fd, sync[0].handle); > > + syncobj_destroy(fd, sync[1].handle); > > + munmap(ptr0, SZ_8M); > > + munmap(ptr1, SZ_8M / 2); > > + gem_close(fd, bo0); > > + gem_close(fd, bo1); > > + xe_vm_destroy(fd, vm); > > +} > > + > > /** > > * SUBTEST: shared-%s-page > > * Description: Test shared arg[1] page > > @@ -1973,6 +2092,12 @@ igt_main > > igt_subtest("bind-flag-invalid") > > bind_flag_invalid(fd); > > > > + igt_subtest("compact-64k-pages") > > + xe_for_each_engine(fd, hwe) { > > + compact_64k_pages(fd, hwe); > > + break; > > + } > > + > > igt_subtest("shared-pte-page") > > xe_for_each_engine(fd, hwe) > > shared_pte_page(fd, hwe, 4, > > -- > > 2.34.1 > >