// SPDX-License-Identifier: MIT
/*
* Copyright © 2020-2022 Intel Corporation
*/
#include <kunit/test.h>
#include <kunit/visibility.h>
#include "tests/xe_kunit_helpers.h"
#include "tests/xe_pci_test.h"
#include "xe_pci.h"
#include "xe_pm.h"
static bool sanity_fence_failed(struct xe_device *xe, struct dma_fence *fence,
const char *str, struct kunit *test)
{
long ret;
if (IS_ERR(fence)) {
KUNIT_FAIL(test, "Failed to create fence for %s: %li\n", str,
PTR_ERR(fence));
return true;
}
if (!fence)
return true;
ret = dma_fence_wait_timeout(fence, false, 5 * HZ);
if (ret <= 0) {
KUNIT_FAIL(test, "Fence timed out for %s: %li\n", str, ret);
return true;
}
return false;
}
static int run_sanity_job(struct xe_migrate *m, struct xe_device *xe,
struct xe_bb *bb, u32 second_idx, const char *str,
struct kunit *test)
{
u64 batch_base = xe_migrate_batch_base(m, xe->info.has_usm);
struct xe_sched_job *job = xe_bb_create_migration_job(m->q, bb,
batch_base,
second_idx);
struct dma_fence *fence;
if (IS_ERR(job)) {
KUNIT_FAIL(test, "Failed to allocate fake pt: %li\n",
PTR_ERR(job));
return PTR_ERR(job);
}
xe_sched_job_arm(job);
fence = dma_fence_get(&job->drm.s_fence->finished);
xe_sched_job_push(job);
if (sanity_fence_failed(xe, fence, str, test))
return -ETIMEDOUT;
dma_fence_put(fence);
kunit_info(test, "%s: Job completed\n", str);
return 0;
}
#define check(_retval, _expected, str, _test) \
do { if ((_retval) != (_expected)) { \
KUNIT_FAIL(_test, "Sanity check failed: " str \
" expected %llx, got %llx\n", \
(u64)(_expected), (u64)(_retval)); \
} } while (0)
static void test_copy(struct xe_migrate *m, struct xe_bo *bo,
struct kunit *test, u32 region)
{
struct xe_device *xe = tile_to_xe(m->tile);
u64 retval, expected = 0;
bool big = bo->size >= SZ_2M;
struct dma_fence *fence;
const char *str = big ? "Copying big bo" : "Copying small bo";
int err;
struct xe_bo *remote = xe_bo_create_locked(xe, m->tile, NULL,
bo->size,
ttm_bo_type_kernel,
region |
XE_BO_FLAG_NEEDS_CPU_ACCESS);
if (IS_ERR(remote)) {
KUNIT_FAIL(test, "Failed to allocate remote bo for %s: %pe\n",
str, remote);
return;
}
err = xe_bo_validate(remote, NULL, false);
if (err) {
KUNIT_FAIL(test, "Failed to validate system bo for %s: %i\n",
str, err);
goto out_unlock;
}
err = xe_bo_vmap(remote);
if (err) {
KUNIT_FAIL(test, "Failed to vmap system bo for %s: %i\n",
str, err);
goto out_unlock;
}
xe_map_memset(xe, &remote->vmap, 0, 0xd0, remote->size);
fence = xe_migrate_clear(m, remote, remote->ttm.resource,
XE_MIGRATE_CLEAR_FLAG_FULL);
if (!sanity_fence_failed(xe, fence, big ? "Clearing remote big bo" :
"Clearing remote small bo", test)) {
retval = xe_map_rd(xe, &remote->vmap, 0, u64);
check(retval, expected, "remote first offset should be cleared",
test);
retval = xe_map_rd(xe, &remote->vmap, remote->size - 8, u64);
check(retval, expected, "remote last offset should be cleared",
test);
}
dma_fence_put(fence);
/* Try to copy 0xc0 from remote to vram with 2MB or 64KiB/4KiB pages */
xe_map_memset(xe, &remote->vmap, 0, 0xc0, remote->size);
xe_map_memset(xe, &bo->vmap, 0, 0xd0, bo->size);
expected = 0xc0c0c0c0c0c0c0c0;
fence = xe_migrate_copy(m, remote, bo, remote->ttm.resource,
bo->ttm.resource, false);
if (!sanity_fence_failed(xe, fence, big ? "Copying big bo remote -> vram" :
"Copying small bo remote -> vram", test)) {
retval = xe_map_rd(xe, &bo->vmap, 0, u64);
check(retval, expected,
"remote -> vram bo first offset should be copied", test);
retval = xe_map_rd(xe, &bo->vmap, bo->size - 8, u64);
check(retval, expected,
"remote -> vram bo offset should be copied", test);
}
dma_fence_put(fence);
/* And other way around.. slightly hacky.. */
xe_map_memset(xe, &remote->vmap, 0, 0xd0, remote->size);
xe_map_memset(xe, &bo->vmap, 0, 0xc0, bo->size);
fence = xe_migrate_copy(m, bo, remote, bo->ttm.resource,
remote->ttm.resource, false);
if (!sanity_fence_failed(xe, fence, big ? "Copying big bo vram -> remote" :
"Copying small bo vram -> remote", test)) {
retval = xe_map_rd(xe, &remote->vmap, 0, u64);
check(retval, expected,
"vram -> remote bo first offset should be copied", test);
retval = xe_map_rd(xe, &remote->vmap, bo->size - 8, u64);
check(retval, expected,
"vram -> remote bo last offset should be copied", test);
}
dma_fence_put(fence);
xe_bo_vunmap(remote);
out_unlock:
xe_bo_unlock(remote);
xe_bo_put(remote);
}
static void test_copy_sysmem(struct xe_migrate *m, struct xe_bo *bo,
struct kunit *test)
{
test_copy(m, bo, test, XE_BO_FLAG_SYSTEM);
}
static void test_copy_vram(struct xe_migrate *m, struct xe_bo *bo,
struct kunit *test)
{
u32 region;
if (bo->ttm.resource->mem_type == XE_PL_SYSTEM)
return;
if (bo->ttm.resource->mem_type == XE_PL_VRAM0)
region = XE_BO_FLAG_VRAM1;
else
region = XE_BO_FLAG_VRAM0;
test_copy(m, bo, test, region);
}
static void xe_migrate_sanity_test(struct xe_migrate *m, struct kunit *test)
{
struct xe_tile *tile = m->tile;
struct xe_device *xe = tile_to_xe(tile);
struct xe_bo *pt, *bo = m->pt_bo, *big, *tiny;
struct xe_res_cursor src_it;
struct dma_fence *fence;
u64 retval, expected;
struct xe_bb *bb;
int err;
u8 id = tile->id;
err = xe_bo_vmap(bo);
if (err) {
KUNIT_FAIL(test, "Failed to vmap our pagetables: %li\n",
PTR_ERR(bo));
return;
}
big = xe_bo_create_pin_map(xe, tile, m->q->vm, SZ_4M,
ttm_bo_type_kernel,
XE_BO_FLAG_VRAM_IF_DGFX(tile) |
XE_BO_FLAG_PINNED);
if (IS_ERR(big)) {
KUNIT_FAIL(test, "Failed to allocate bo: %li\n", PTR_ERR(big));
goto vunmap;
}
pt = xe_bo_create_pin_map(xe, tile, m->q->vm, XE_PAGE_SIZE,
ttm_bo_type_kernel,
XE_BO_FLAG_VRAM_IF_DGFX(tile) |
XE_BO_FLAG_PINNED);
if (IS_ERR(pt)) {
KUNIT_FAIL(test, "Failed to allocate fake pt: %li\n",
PTR_ERR(pt));
goto free_big;
}
tiny = xe_bo_create_pin_map(xe, tile, m->q->vm,
2 * SZ_4K,
ttm_bo_type_kernel,
XE_BO_FLAG_VRAM_IF_DGFX(tile) |
XE_BO_FLAG_PINNED);
if (IS_ERR(tiny)) {
KUNIT_FAIL(test, "Failed to allocate fake pt: %li\n",
PTR_ERR(pt));
goto free_pt;
}
bb = xe_bb_new(tile->primary_gt, 32, xe->info.has_usm);
if (IS_ERR(bb)) {
KUNIT_FAIL(test, "Failed to create batchbuffer: %li\n",
PTR_ERR(bb));
goto free_tiny;
}
kunit_info(test, "Starting tests, top level PT addr: %lx, special pagetable base addr: %lx\n",
(unsigned long)xe_bo_main_addr(m->q->vm->pt_root[id]->bo, XE_PAGE_SIZE),
(unsigned long)xe_bo_main_addr(m->pt_bo, XE_PAGE_SIZE));
/* First part of the test, are we updating our pagetable bo with a new entry? */
xe_map_wr(xe, &bo->vmap, XE_PAGE_SIZE * (NUM_KERNEL_PDE - 1), u64,
0xdeaddeadbeefbeef);
expected = m->q->vm->pt_ops->pte_encode_bo(pt, 0, xe->pat.idx[XE_CACHE_WB], 0);
if (m->q->vm->flags & XE_VM_FLAG_64K)
expected |= XE_PTE_PS64;
if (xe_bo_is_vram(pt))
xe_res_first(pt->ttm.resource, 0, pt->size, &src_it);
else
xe_res_first_sg(xe_bo_sg(pt), 0, pt->size, &src_it);
emit_pte(m, bb, NUM_KERNEL_PDE - 1, xe_bo_is_vram(pt), false,
&src_it, XE_PAGE_SIZE, pt->ttm.resource);
run_sanity_job(m, xe, bb, bb->len, "Writing PTE for our fake PT", test);
retval = xe_map_rd(xe, &bo->vmap, XE_PAGE_SIZE * (NUM_KERNEL_PDE - 1),
u64);
check(retval, expected, "PTE entry write", test);
/* Now try to write data to our newly mapped 'pagetable', see if it succeeds */
bb->len = 0;
bb->cs[bb->len++] = MI_BATCH_BUFFER_END;
xe_map_wr(xe, &pt->vmap, 0, u32, 0xdeaddead);
expected = 0;
emit_clear(tile->primary_gt, bb, xe_migrate_vm_addr(NUM_KERNEL_PDE - 1, 0), 4, 4,
IS_DGFX(xe));
run_sanity_job(m, xe, bb, 1, "Writing to our newly mapped pagetable",
test);
retval = xe_map_rd(xe, &pt->vmap, 0, u32);
check(retval, expected, "Write to PT after adding PTE", test);
/* Sanity checks passed, try the full ones! */
/* Clear a small bo */
kunit_info(test, "Clearing small buffer object\n");
xe_map_memset(xe, &tiny->vmap, 0, 0x22, tiny->size);
expected = 0;
fence = xe_migrate_clear(m, tiny, tiny->ttm.resource,
XE_MIGRATE_CLEAR_FLAG_FULL);
if (sanity_fence_failed(xe, fence, "Clearing small bo", test))
goto out;
dma_fence_put(fence);
retval = xe_map_rd(xe, &tiny->vmap, 0, u32);
check(retval, expected, "Command clear small first value", test);
retval = xe_map_rd(xe, &tiny->vmap, tiny->size - 4, u32);
check(retval, expected, "Command clear small last value", test);
kunit_info(test, "Copying small buffer object to system\n");
test_copy_sysmem(m, tiny, test);
if (xe->info.tile_count > 1) {
kunit_info(test, "Copying small buffer object to other vram\n");
test_copy_vram(m, tiny, test);
}
/* Clear a big bo */
kunit_info(test, "Clearing big buffer object\n");
xe_map_memset(xe, &big->vmap, 0, 0x11, big->size);
expected = 0;
fence = xe_migrate_clear(m, big, big->ttm.resource,
XE_MIGRATE_CLEAR_FLAG_FULL);
if (sanity_fence_failed(xe, fence, "Clearing big bo", test))
goto out;
dma_fence_put(fence);
retval = xe_map_rd(xe, &big->vmap, 0, u32);
check(retval, expected, "Command clear big first value", test);
retval = xe_map_rd(xe, &big->vmap, big->size - 4, u32);
check(retval, expected, "Command clear big last value", test);
kunit_info(test, "Copying big buffer object to system\n");
test_copy_sysmem(m, big, test);
if (xe->info.tile_count > 1) {
kunit_info(test, "Copying big buffer object to other vram\n");
test_copy_vram(m, big, test);
}
out:
xe_bb_free(bb, NULL);
free_tiny:
xe_bo_unpin(tiny);
xe_bo_put(tiny);
free_pt:
xe_bo_unpin(pt);
xe_bo_put(pt);
free_big:
xe_bo_unpin(big);
xe_bo_put(big);
vunmap:
xe_bo_vunmap(m->pt_bo);
}
static int migrate_test_run_device(struct xe_device *xe)
{
struct kunit *test = kunit_get_current_test();
struct xe_tile *tile;
int id;
xe_pm_runtime_get(xe);
for_each_tile(tile, xe, id) {
struct xe_migrate *m = tile->migrate;
kunit_info(test, "Testing tile id %d.\n", id);
xe_vm_lock(m->q->vm, false);
xe_migrate_sanity_test(m, test);
xe_vm_unlock(m->q->vm);
}
xe_pm_runtime_put(xe);
return 0;
}
static void xe_migrate_sanity_kunit(struct kunit *test)
{
struct xe_device *xe = test->priv;
migrate_test_run_device(xe);
}
static struct dma_fence *blt_copy(struct xe_tile *tile,
struct xe_bo *src_bo, struct xe_bo *dst_bo,
bool copy_only_ccs, const char *str, struct kunit *test)
{
struct xe_gt *gt = tile->primary_gt;
struct xe_migrate *m = tile->migrate;
struct xe_device *xe = gt_to_xe(gt);
struct dma_fence *fence = NULL;
u64 size = src_bo->size;
struct xe_res_cursor src_it, dst_it;
struct ttm_resource *src = src_bo->ttm.resource, *dst = dst_bo->ttm.resource;
u64 src_L0_ofs, dst_L0_ofs;
u32 src_L0_pt, dst_L0_pt;
u64 src_L0, dst_L0;
int err;
bool src_is_vram = mem_type_is_vram(src->mem_type);
bool dst_is_vram = mem_type_is_vram(dst->mem_type);
if (!src_is_vram)
xe_res_first_sg(xe_bo_sg(src_bo), 0, size, &src_it);
else
xe_res_first(src, 0, size, &src_it);
if (!dst_is_vram)
xe_res_first_sg(xe_bo_sg(dst_bo), 0, size, &dst_it);
else
xe_res_first(dst, 0, size, &dst_it);
while (size) {
u32 batch_size = 2; /* arb_clear() + MI_BATCH_BUFFER_END */
struct xe_sched_job *job;
struct xe_bb *bb;
u32 flush_flags = 0;
u32 update_idx;
u32 avail_pts = max_mem_transfer_per_pass(xe) / LEVEL0_PAGE_TABLE_ENCODE_SIZE;
u32 pte_flags;
src_L0 = xe_migrate_res_sizes(m, &src_it);
dst_L0 = xe_migrate_res_sizes(m, &dst_it);
src_L0 = min(src_L0, dst_L0);
pte_flags = src_is_vram ? (PTE_UPDATE_FLAG_IS_VRAM |
PTE_UPDATE_FLAG_IS_COMP_PTE) : 0;
batch_size += pte_update_size(m, pte_flags, src, &src_it, &src_L0,
&src_L0_ofs, &src_L0_pt, 0, 0,
avail_pts);
pte_flags = dst_is_vram ? (PTE_UPDATE_FLAG_IS_VRAM |
PTE_UPDATE_FLAG_IS_COMP_PTE) : 0;
batch_size += pte_update_size(m, pte_flags, dst, &dst_it, &src_L0,
&dst_L0_ofs, &dst_L0_pt, 0,
avail_pts, avail_pts);
/* Add copy commands size here */
batch_size += ((copy_only_ccs) ? 0 : EMIT_COPY_DW) +
((xe_device_has_flat_ccs(xe) && copy_only_ccs) ? EMIT_COPY_CCS_DW : 0);
bb = xe_bb_new(gt, batch_size, xe->info.has_usm);
if (IS_ERR(bb)) {
err = PTR_ERR(bb);
goto err_sync;
}
if (src_is_vram)
xe_res_next(&src_it, src_L0);
else
emit_pte(m, bb, src_L0_pt, src_is_vram, false,
&src_it, src_L0, src);
if (dst_is_vram)
xe_res_next(&dst_it, src_L0);
else
emit_pte(m, bb, dst_L0_pt, dst_is_vram, false,
&dst_it, src_L0, dst);
bb->cs[bb->len++] = MI_BATCH_BUFFER_END;
update_idx = bb->len;
if (!copy_only_ccs)
emit_copy(gt, bb, src_L0_ofs, dst_L0_ofs, src_L0, XE_PAGE_SIZE);
if (copy_only_ccs)
flush_flags = xe_migrate_ccs_copy(m, bb, src_L0_ofs,
src_is_vram, dst_L0_ofs,
dst_is_vram, src_L0, dst_L0_ofs,
copy_only_ccs);
job = xe_bb_create_migration_job(m->q, bb,
xe_migrate_batch_base(m, xe->info.has_usm),
update_idx);
if (IS_ERR(job)) {
err = PTR_ERR(job);
goto err;
}
xe_sched_job_add_migrate_flush(job, flush_flags);
mutex_lock(&m->job_mutex);
xe_sched_job_arm(job);
dma_fence_put(fence);
fence = dma_fence_get(&job->drm.s_fence->finished);
xe_sched_job_push(job);
dma_fence_put(m->fence);
m->fence = dma_fence_get(fence);
mutex_unlock(&m->job_mutex);
xe_bb_free(bb, fence);
size -= src_L0;
continue;
err:
xe_bb_free(bb, NULL);
err_sync:
if (fence) {
dma_fence_wait(fence, false);
dma_fence_put(fence);
}
return ERR_PTR(err);
}
return fence;
}
static void test_migrate(struct xe_device *xe, struct xe_tile *tile,
struct xe_bo *sys_bo, struct xe_bo *vram_bo, struct xe_bo *ccs_bo,
struct kunit *test)
{
struct dma_fence *fence;
u64 expected, retval;
long timeout;
long ret;
expected = 0xd0d0d0d0d0d0d0d0;
xe_map_memset(xe, &sys_bo->vmap, 0, 0xd0, sys_bo->size);
fence = blt_copy(tile, sys_bo, vram_bo, false, "Blit copy from sysmem to vram", test);
if (!sanity_fence_failed(xe, fence, "Blit copy from sysmem to vram", test)) {
retval = xe_map_rd(xe, &vram_bo->vmap, 0, u64);
if (retval == expected)
KUNIT_FAIL(test, "Sanity check failed: VRAM must have compressed value\n");
}
dma_fence_put(fence);
kunit_info(test, "Evict vram buffer object\n");
ret = xe_bo_evict(vram_bo, true);
if (ret) {
KUNIT_FAIL(test, "Failed to evict bo.\n");
return;
}
ret = xe_bo_vmap(vram_bo);
if (ret) {
KUNIT_FAIL(test, "Failed to vmap vram bo: %li\n", ret);
return;
}
retval = xe_map_rd(xe, &vram_bo->vmap, 0, u64);
check(retval, expected, "Clear evicted vram data first value", test);
retval = xe_map_rd(xe, &vram_bo->vmap, vram_bo->size - 8, u64);
check(retval, expected, "Clear evicted vram data last value", test);
fence = blt_copy(tile, vram_bo, ccs_bo,
true, "Blit surf copy from vram to sysmem", test);
if (!sanity_fence_failed(xe, fence, "Clear ccs buffer data", test)) {
retval = xe_map_rd(xe, &ccs_bo->vmap, 0, u64);
check(retval, 0, "Clear ccs data first value", test);
retval = xe_map_rd(xe, &ccs_bo->vmap, ccs_bo->size - 8, u64);
check(retval, 0, "Clear ccs data last value", test);
}
dma_fence_put(fence);
kunit_info(test, "Restore vram buffer object\n");
ret = xe_bo_validate(vram_bo, NULL, false);
if (ret) {
KUNIT_FAIL(test, "Failed to validate vram bo for: %li\n", ret);
return;
}
/* Sync all migration blits */
timeout = dma_resv_wait_timeout(vram_bo->ttm.base.resv,
DMA_RESV_USAGE_KERNEL,
true,
5 * HZ);
if (timeout <= 0) {
KUNIT_FAIL(test, "Failed to sync bo eviction.\n");
return;
}
ret = xe_bo_vmap(vram_bo);
if (ret) {
KUNIT_FAIL(test, "Failed to vmap vram bo: %li\n", ret);
return;
}
retval = xe_map_rd(xe, &vram_bo->vmap, 0, u64);
check(retval, expected, "Restored value must be equal to initial value", test);
retval = xe_map_rd(xe, &vram_bo->vmap, vram_bo->size - 8, u64);
check(retval, expected, "Restored value must be equal to initial value", test);
fence = blt_copy(tile, vram_bo, ccs_bo,
true, "Blit surf copy from vram to sysmem", test);
if (!sanity_fence_failed(xe, fence, "Clear ccs buffer data", test)) {
retval = xe_map_rd(xe, &ccs_bo->vmap, 0, u64);
check(retval, 0, "Clear ccs data first value", test);
retval = xe_map_rd(xe, &ccs_bo->vmap, ccs_bo->size - 8, u64);
check(retval, 0, "Clear ccs data last value", test);
}
dma_fence_put(fence);
}
static void test_clear(struct xe_device *xe, struct xe_tile *tile,
struct xe_bo *sys_bo, struct xe_bo *vram_bo, struct kunit *test)
{
struct dma_fence *fence;
u64 expected, retval;
expected = 0xd0d0d0d0d0d0d0d0;
xe_map_memset(xe, &sys_bo->vmap, 0, 0xd0, sys_bo->size);
fence = blt_copy(tile, sys_bo, vram_bo, false, "Blit copy from sysmem to vram", test);
if (!sanity_fence_failed(xe, fence, "Blit copy from sysmem to vram", test)) {
retval = xe_map_rd(xe, &vram_bo->vmap, 0, u64);
if (retval == expected)
KUNIT_FAIL(test, "Sanity check failed: VRAM must have compressed value\n");
}
dma_fence_put(fence);
fence = blt_copy(tile, vram_bo, sys_bo, false, "Blit copy from vram to sysmem", test);
if (!sanity_fence_failed(xe, fence, "Blit copy from vram to sysmem", test)) {
retval = xe_map_rd(xe, &sys_bo->vmap, 0, u64);
check(retval, expected, "Decompressed value must be equal to initial value", test);
retval = xe_map_rd(xe, &sys_bo->vmap, sys_bo->size - 8, u64);
check(retval, expected, "Decompressed value must be equal to initial value", test);
}
dma_fence_put(fence);
kunit_info(test, "Clear vram buffer object\n");
expected = 0x0000000000000000;
fence = xe_migrate_clear(tile->migrate, vram_bo, vram_bo->ttm.resource,
XE_MIGRATE_CLEAR_FLAG_FULL);
if (sanity_fence_failed(xe, fence, "Clear vram_bo", test))
return;
dma_fence_put(fence);
fence = blt_copy(tile, vram_bo, sys_bo,
false, "Blit copy from vram to sysmem", test);
if (!sanity_fence_failed(xe, fence, "Clear main buffer data", test)) {
retval = xe_map_rd(xe, &sys_bo->vmap, 0, u64);
check(retval, expected, "Clear main buffer first value", test);
retval = xe_map_rd(xe, &sys_bo->vmap, sys_bo->size - 8, u64);
check(retval, expected, "Clear main buffer last value", test);
}
dma_fence_put(fence);
fence = blt_copy(tile, vram_bo, sys_bo,
true, "Blit surf copy from vram to sysmem", test);
if (!sanity_fence_failed(xe, fence, "Clear ccs buffer data", test)) {
retval = xe_map_rd(xe, &sys_bo->vmap, 0, u64);
check(retval, expected, "Clear ccs data first value", test);
retval = xe_map_rd(xe, &sys_bo->vmap, sys_bo->size - 8, u64);
check(retval, expected, "Clear ccs data last value", test);
}
dma_fence_put(fence);
}
static void validate_ccs_test_run_tile(struct xe_device *xe, struct xe_tile *tile,
struct kunit *test)
{
struct xe_bo *sys_bo, *vram_bo = NULL, *ccs_bo = NULL;
unsigned int bo_flags = XE_BO_FLAG_VRAM_IF_DGFX(tile);
long ret;
sys_bo = xe_bo_create_user(xe, NULL, NULL, SZ_4M,
DRM_XE_GEM_CPU_CACHING_WC,
XE_BO_FLAG_SYSTEM | XE_BO_FLAG_NEEDS_CPU_ACCESS);
if (IS_ERR(sys_bo)) {
KUNIT_FAIL(test, "xe_bo_create() failed with err=%ld\n",
PTR_ERR(sys_bo));
return;
}
xe_bo_lock(sys_bo, false);
ret = xe_bo_validate(sys_bo, NULL, false);
if (ret) {
KUNIT_FAIL(test, "Failed to validate system bo for: %li\n", ret);
goto free_sysbo;
}
ret = xe_bo_vmap(sys_bo);
if (ret) {
KUNIT_FAIL(test, "Failed to vmap system bo: %li\n", ret);
goto free_sysbo;
}
xe_bo_unlock(sys_bo);
ccs_bo = xe_bo_create_user(xe, NULL, NULL, SZ_4M,
DRM_XE_GEM_CPU_CACHING_WC,
bo_flags | XE_BO_FLAG_NEEDS_CPU_ACCESS);
if (IS_ERR(ccs_bo)) {
KUNIT_FAIL(test, "xe_bo_create() failed with err=%ld\n",
PTR_ERR(ccs_bo));
return;
}
xe_bo_lock(ccs_bo, false);
ret = xe_bo_validate(ccs_bo, NULL, false);
if (ret) {
KUNIT_FAIL(test, "Failed to validate system bo for: %li\n", ret);
goto free_ccsbo;
}
ret = xe_bo_vmap(ccs_bo);
if (ret) {
KUNIT_FAIL(test, "Failed to vmap system bo: %li\n", ret);
goto free_ccsbo;
}
xe_bo_unlock(ccs_bo);
vram_bo = xe_bo_create_user(xe, NULL, NULL, SZ_4M,
DRM_XE_GEM_CPU_CACHING_WC,
bo_flags | XE_BO_FLAG_NEEDS_CPU_ACCESS);
if (IS_ERR(vram_bo)) {
KUNIT_FAIL(test, "xe_bo_create() failed with err=%ld\n",
PTR_ERR(vram_bo));
return;
}
xe_bo_lock(vram_bo, false);
ret = xe_bo_validate(vram_bo, NULL, false);
if (ret) {
KUNIT_FAIL(test, "Failed to validate vram bo for: %li\n", ret);
goto free_vrambo;
}
ret = xe_bo_vmap(vram_bo);
if (ret) {
KUNIT_FAIL(test, "Failed to vmap vram bo: %li\n", ret);
goto free_vrambo;
}
test_clear(xe, tile, sys_bo, vram_bo, test);
test_migrate(xe, tile, sys_bo, vram_bo, ccs_bo, test);
xe_bo_unlock(vram_bo);
xe_bo_lock(vram_bo, false);
xe_bo_vunmap(vram_bo);
xe_bo_unlock(vram_bo);
xe_bo_lock(ccs_bo, false);
xe_bo_vunmap(ccs_bo);
xe_bo_unlock(ccs_bo);
xe_bo_lock(sys_bo, false);
xe_bo_vunmap(sys_bo);
xe_bo_unlock(sys_bo);
free_vrambo:
xe_bo_put(vram_bo);
free_ccsbo:
xe_bo_put(ccs_bo);
free_sysbo:
xe_bo_put(sys_bo);
}
static int validate_ccs_test_run_device(struct xe_device *xe)
{
struct kunit *test = kunit_get_current_test();
struct xe_tile *tile;
int id;
if (!xe_device_has_flat_ccs(xe)) {
kunit_skip(test, "non-flat-ccs device\n");
return 0;
}
if (!(GRAPHICS_VER(xe) >= 20 && IS_DGFX(xe))) {
kunit_skip(test, "non-xe2 discrete device\n");
return 0;
}
xe_pm_runtime_get(xe);
for_each_tile(tile, xe, id)
validate_ccs_test_run_tile(xe, tile, test);
xe_pm_runtime_put(xe);
return 0;
}
static void xe_validate_ccs_kunit(struct kunit *test)
{
struct xe_device *xe = test->priv;
validate_ccs_test_run_device(xe);
}
static struct kunit_case xe_migrate_tests[] = {
KUNIT_CASE_PARAM(xe_migrate_sanity_kunit, xe_pci_live_device_gen_param),
KUNIT_CASE_PARAM(xe_validate_ccs_kunit, xe_pci_live_device_gen_param),
{}
};
VISIBLE_IF_KUNIT
struct kunit_suite xe_migrate_test_suite = {
.name = "xe_migrate",
.test_cases = xe_migrate_tests,
.init = xe_kunit_helper_xe_device_live_test_init,
};
EXPORT_SYMBOL_IF_KUNIT(xe_migrate_test_suite);
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