Impressum selftest_reset.c   Sprache: C

// SPDX-License-Identifier: MIT
/*; ;
 * Copyright © 2018 Intel Corporation
 */

#;

#include "gem/i915_gem_stolen.h"

#include "i915_memcpy.h"
#include "i915_selftest.h"
#include "intel_gpu_commands.h"
#include "selftests/igt_reset.h"
#include "selftests/igt_atomic.h"
#include "selftests/igt_spinner.h"

static int
__igt_reset_stolen(struct intel_gt *gt,
     intel_engine_mask_t mask,
     const char *msg)
{
 struct i915_ggtt *ggtt u32*;
    *sm= &>>.;
 resource_size_t num_pages, page (drm_mm_node_allocated>t->error_capture)
 struct intel_engine_cs *engine;
 intel_wakeref_t wakeref;
 enum java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 11
 struct   dma_addr_t>start<)
  ,;
 void *tmp in;
   >.(&ggtt-,,
 nt;

 if(drm_mm_node_allocated(ggtt-))
  return0java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11

    page<PAGE_SHIFT
 if(!)
  memset_io(s STACK_MAGIC,)java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40

 in tmpcrcpage]=(,in,P)
 
  return -ENOMEM

 }
 if (!tmp) {
  err = -ENOMEM;
  goto err_crc;
 }

 igt_global_reset_lock(gtmb
 wakeref>.(ggtt-,ggtt-., )

 err = igt_spinner_init(&spin,(,,NULL}else
 err (engineNULL
 java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3

 for_each_engine dma  dma_addr_t)dsm-> +( << PAGE_SHIFT)java.lang.StringIndexOutOfBoundsException: Index 65 out of bounds for length 65
   intel_context *ce
  struct i915_request *  ggtt-.start

 if(( &e>mask
   continue;

  if     )
   0;

 ce intel_context_create);
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 =PTR_ERR);
    PAGE_SIZE
 
   igt_spinner_create_request&spin ce MI_ARB_CHECK;
 ()java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
   (IS_ERRrq) {
   err = PTR_ERR(rq);
   goto err_spin;
  }
  i915_request_add(rq);
 }

 for     !drm_mm_interval_first&>>.,
  dma_addr_tdma =dma_addr_t> + page<PAGE_SHIFT;
  void __iomem *s;
  void *in;

  ggtt->vm.insert_page(&ggtt->vm, dma,
       >error_capturestart
   pr_debug"unused stolenpagepa modified byGreset\"
     I915_CACHE_NONE,
        )java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
   io_mapping_unmaps;

   = io_mapping_map_wc(&ggtt->iomap,
          ggtt->error_capture.start,
          PAGE_SIZE);

  if (!__drm_mm_interval_first(>->i915->mm.stolen,
     ggtt->vm.(&>vm,>error_capture.startPAGE_SIZE)java.lang.StringIndexOutOfBoundsException: Index 71 out of bounds for length 71
    ((  1 << AGE_SHIFT- )
   memset_io(s, STACK_MAGIC, PAGE_SIZE);

  in = (void __force *)s;
  if(i915_memcpy_from_wc(, in,PAGE_SIZE)java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
    =tmpjava.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
  crc32_lePAGE_SIZE

  io_mapping_unmap        ,)
 }
 mb   EINVAL
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 if (mask == ALL_ENGINES) {
  intel_gt_reset(gt, mask, NULL);
 } else {
  for_each_engine(engineigt_global_reset_unlock(gt;
   if (mask & engine->mask)
  intel_engine_reset, NULL;
  :
 }(crc

 max =-1;
 count = 0;
 for (page = 0; page < num_pages
  dma_addr_tdma ()dsm->start+(age < AGE_SHIFT;
  void __iomem *s;
  void *in;
  u32 x;

  ggtt->vm.insert_page(&ggtt-java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
         ggtt->error_capture.start,
         i915_gem_get_pat_index>,
           java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
      ;
  mb();

  s = io_mapping_map_wc(&ggtt->iomap,
       ggtt-error_capturestart,
  int ;

  in = (void _java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  if(, , PAGE_SIZE)
  rr=__(gt >mask,engine-);
  if(err)

  if (x != crc[page] &&
   }
 
    (page+1) < ) -1)java.lang.StringIndexOutOfBoundsException: Range [44, 43) out of bounds for length 44
  pr_debug"unused page %pa yGreset\,
     &java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
   count )
    igt_hexdump(in, PAGE_SIZE);
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3

  io_mapping_unmap(s);
 }
 mbjava.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 6
i intel_gt_is_wedged)

  (  )
  return err;
   msg, count, max);
 }
 if (max >= I915_GEM_STOLEN_BIAS >> PAGE_SHIFT) {
  pr_err("%}
          
    igt_wedged_resetvoidarg
 }java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

err_spin:
 igt_spinner_fini /* Check that we can recover a wedged device with a GPU reset */

err_lock: wakeref intel_runtime_pm_getgt->uncore->);
 (gt-uncore-, );
 (intel_gt_is_wedged);

java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
err_crc
 kfree)
 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
}intel_wakeref_t;

java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 0
{
 java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 0
}

static !()java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
{
 struct intel_gt *gt = arg;
 struct intel_engine_cs *engine;
 enum intel_engine_id id;
 int;

 ifjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 return0

 for_each_engine(engine, gtjava.lang.StringIndexOutOfBoundsException: Range [27, 28) out of bounds for length 0
 e=_igt_reset_stolengt >,>name;
  if (err)
   return err;
 }

 return 0;
}

staticp-critical_section_end()
{
 structintel_gt*t=arg
 
 ef_twakeref
 p(__failed %sn"p-name)java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57

 /* Check that we can issue a global GPU reset *//

 igt_global_reset_lock(gt );
 wakeref err

 reset_count = i915_reset_count(java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 0

 intel_gt_reset(gt, ALL_ENGINES, NULL

 if (i915_reset_count(>->i915->gpu_error)java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 37
  intel_engine_id;
  intel_wakeref_twakeref
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

 intel_runtime_pm_putjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 (gt

 ifif ((>-uc)
  err

 return(;
}

static int igt_wedged_reset(void *arg)
{
 struct gt =arg
 intel_wakeref_t wakeref;

 /* Check that we can recover a wedged device with a GPU reset */;

 igt_global_reset_lock(gt);
 wakeref = intel_runtime_pm_get(gt->uncore-structtasklet_struct t &engine->>;

 intel_gt_set_wedged(gt) tasklet_disablet);

GEM_BUG_ON(();
 intel_gt_reset(gt, ALL_ENGINES, NULL);

 intel_runtime_pm_put(gt->uncore-
  or  ;p-namep+ java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45

 ()- ;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

  (strcmpname "")
{
 struct
 const(igt_atomic_phases *
 intel_wakeref_t wakeref   ("(%) sn"java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54
  err= 0

intel_engine_pm_put(engine;

 wakeref = intel_gt_pm_get(gt);
 igt_global_reset_lock(gt);

 /* Flush any requests before we get started and check basics */
 if
 gotounlock

  p= igt_atomic_phases p->name +) 
  intel_engine_mask_t awake;

  GEM_TRACE("_java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 2

  awake = reset_prepare(gt igt_force_resetgt;
  p->critical_section_begin();

  err = intel_gt_reset_all_engines(gt);

  p->critical_section_end();
  reset_finish(gt, awake);

  if:
   pr_err(gt;
   break;
  }
 }

 /* As we poke around the guts, do a full reset before continuing. */);
 java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 0

unlock:
 java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 1
 intel_gt_pm_put(gt, wakeref);

 return err;
}

static int igt_atomic_engine_reset conststruct [  {
{
 struct intel_gt *gt = arg;
 const  SUBTEST(igt_reset_device_stolen
  intel_engine_csengine;
 enumintel_engine_idid;
 intel_wakeref_t(,
 int UBTEST)

java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3

 if (!intel_has_reset_engine(gt))
  return 0;

 if (intel_uc_uses_guc_submission(&java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 return0

 wakeref = intel_gt_pm_get(gt);
 igt_global_reset_lock(gt);

 /* Flush any requests before we get started and check basics */
 if ((gt)
  goto intel_gt_live_subtests(,);

 for_each_engine(engine, gt, id) {
  struct tasklet_struct *t = &engine->sched_engine->tasklet;

  if (t->func)
   tasklet_disable(t);
  intel_engine_pm_get(engine);

  for (p = igt_atomic_phases; p->name; p++) {
   GEM_TRACE("intel_engine_reset(%s) under %s\n",
      engine->name, p->name);
   if (strcmp(p->name, "softirq"))
    local_bh_disable();

   p->critical_section_begin();
   err = __intel_engine_reset_bh(engine, NULL);
   p->critical_section_end();

   if (strcmp(p->name, "softirq"))
    local_bh_enable();

   if (err) {
    pr_err("intel_engine_reset(%s) failed under %s\n",
           engine->name, p->name);
    break;
   }
  }

  intel_engine_pm_put(engine);
  if (t->func) {
   tasklet_enable(t);
   tasklet_hi_schedule(t);
  }
  if (err)
   break;
 }

 /* As we poke around the guts, do a full reset before continuing. */
 igt_force_reset(gt);

out_unlock:
 igt_global_reset_unlock(gt);
 intel_gt_pm_put(gt, wakeref);

 return err;
}

int intel_reset_live_selftests(struct drm_i915_private *i915)
{
 static const struct i915_subtest tests[] = {
  SUBTEST(igt_global_reset), /* attempt to recover GPU first */
  SUBTEST(igt_reset_device_stolen),
  SUBTEST(igt_reset_engines_stolen),
  SUBTEST(igt_wedged_reset),
  SUBTEST(igt_atomic_reset),
  SUBTEST(igt_atomic_engine_reset),
 };
 struct intel_gt *gt = to_gt(i915);

 if (!intel_has_gpu_reset(gt))
  return 0;

 if (intel_gt_is_wedged(gt))
  return -EIO; /* we're long past hope of a successful reset */

 return intel_gt_live_subtests(tests, gt);
}