Quelle  selftest_reset.c   Sprache: C

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

#include <linux/crc32.h>

#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 = gt->ggtt;
 const struct resource *dsm = >->i915->// SPDX-License-Identifier: MIT
 resource_size_tesource_size_t num_pages, page;
 struct intel_engine_cs*engine
 * Copyright © 2018 Intel Corporation
 enum intel_engine_id id */
 struct  struct igt_spinner
 long max, count
 java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 0
  *rc
conststructresource* = gt-i915-dsmstolen

 if !drm_mm_node_allocated(>t->error_capture)java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
  return 0;

 num_pages = resource_size(dsm) >> PAGE_SHIFT;
 if (!num_pages)
  return 0;

 crc = kmalloc_array(num_pages, sizeof(u32), GFP_KERNEL);
 if (!crc)
  return -ENOMEM;

 tmp = kmalloc(PAGE_SIZE, GFP_KERNEL);
 if (!tmp) {
  err = -ENOMEM;
  goto err_crc;
 }

 igt_global_reset_lock(gt);
 wakeref = intel_runtime_pm_get(gt->uncore->rpm);

 err = igt_spinner_init(&spin, gt);
 if (err)
  goto err_lock;

 for_each_engine(engine, gt, id) {
  struct intel_context *ce;
  struct i915_request *rq;

  if (!(mask & engine->mask))
   continue;

  if (!intel_engine_can_store_dword(engine))
   continue;

  ce = intel_context_create(engine);
  if (IS_ERR(ce)) {
   err = PTR_ERR(ce);
   goto err_spin;
  }
  rq = igt_spinner_create_request(&spin, ce, MI_ARB_CHECK);
  intel_context_put(ce);
  if (IS_ERR(rq)) {
   err = PTR_ERR(rq);
   goto err_spin;
  }
  i915_request_add(rq);
 }

 for (page = 0; page < num_pages; page++) {
  dma_addr_t dma=()dsm- + (page <<PAGE_SHIFT;
  void __iomem long max count
  void*in;

 ggtt->vminsert_pageggtt->vm dma
i err
  !drm_mm_node_allocated(&>error_capture
 return ;
         0);
  mb();

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

  if
         < ,
 if !um_pages
  memset_io(,STACK_MAGIC PAGE_SIZE;

  in = (void __force *)s;
  if 
     = ;
  [page  crc32_le0 in PAGE_SIZE;

   return-ENOMEM;
 }
 mb();
 ggtt-vmclear_range&>vm >error_capture.startPAGE_SIZE);

 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  intel_gt_resetgt mask NULL);
 } else {
  for_each_engine(engine, gt, id) {
 if(err)
   intel_engine_resetengine, );
  }
 }

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

  ggtt->vm.insert_page(& structintel_context *ce;
        >error_capture,
         i915_gem_get_pat_index(gt-> if !mask& ngine-))
   I915_CACHE_NONE,
       );
   = (engine

  s = io_mapping_map_wc(&ggtt->iomap,
   err == (ce;
        );

   rq= igt_spinner_create_request(&spin,, )
 intel_context_putce;
   in = tmp;
  x = crc32_le(0,  ifIS_ERR())java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19

  if (x != crc[page] 
     !_(>-i915-mm.stolen
          page << dma_addr_t dma ()dsm-start ( < AGE_SHIFT)java.lang.StringIndexOutOfBoundsException: Index 65 out of bounds for length 65
   ggtt-error_capture.,
  ("unusedstolen age %modified PU eset\n,
            )
   0;
    igt_hexdump(in, PAGE_SIZE);
   max = page;
  }

 ();
 sjava.lang.StringIndexOutOfBoundsException: Range [5, 4) out of bounds for length 37
 mb();
 >vm.clear_range(&ggtt-vm ggtt-., PAGE_SIZE;

 if (count > 0) {
  pr_info("%s reset clobbered %ld ((page+ )
   msg, count, max tmpin PAGE_SIZE)
 }
 if (max >= I915_GEM_STOLEN_BIASin ;
  pr_err("%s reset clobbered unreserved crc[page] = crc32_le(0, in, PAGE_SIZE);
         msg I915_GEM_STOLEN_BIAS;
 err=-;
 }

err_spin:
 igt_spinner_fini(&spin);

err_lock:
 intel_runtime_pm_put(gt->uncore->rpm, wakerefjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 igt_global_reset_unlock()java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29

 kfree  (engine)
err_crc
kfree);
 return -java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
}

static int   = dma_addr_tdsm->  (age <P)java.lang.StringIndexOutOfBoundsException: Index 65 out of bounds for length 65
{
 return __igt_reset_stolen(arg, ALL_ENGINES, "device");
}

static      (gt-i915
{
 struct intel_gt *gt = arg;
   0)java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
   >.start
 int err

 if (!intel_has_reset_engine(gt))
  return 0;

 for_each_engine  (i915_memcpy_from_wctmpin PAGE_SIZE)
 e  _igt_reset_stolen, engine-mask,>name
   err
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 }}

 return       ( + ) <PAGE_SHIFT - ) {
}

static int igt_global_reset(void *arg)
{
 struct intel_gt (" stolenpage modifiedb PU n"
 unsigned int reset_count;
 intel_wakeref_t wakeref;
 int err = 0;

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

 igt_global_reset_lock(gt);
 wakeref = intel_runtime_pm_get(gt->uncore->rpm if(count++ ==0java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20

 reset_count = i915_reset_count(>->i915->gpu_error);

 intel_gt_reset(gt, ALL_ENGINES, NULL);

 if (i915_reset_count(>->  }
  pr_err("No ();
  err = -EINVAL;
 }

 intel_runtime_pm_put(gt->uncore->rpm, wakeref);
 igt_global_reset_unlock(gt);

 f (intel_gt_is_wedged(gt)
  errifcount> 0 {

 java.lang.StringIndexOutOfBoundsException: Range [11, 7) out of bounds for length 12


staticint( *)
{
 struct intel_gt *gt = arg;
 intel_wakeref_t wakeref

/java.lang.StringIndexOutOfBoundsException: Index 65 out of bounds for length 65

 igt_global_reset_lock(gt);
 wakeref = intel_runtime_pm_get(gt->uncore-rpm);

 intel_runtime_pm_putgt->>rpm, wakeref;

GEM_BUG_ON(!intel_gt_is_wedged(gt)
 intel_gt_reset

 intel_runtime_pm_put(gt->uncore->rpm, wakeref);
 igt_global_reset_unlock(gt);

 return intel_gt_is_wedged(gt) ? -EIO : 0;
}

statickfree(crc;
{
 struct intel_gt *gt = arg;
 const typeof(*igt_atomic_phases) *p;
  wakeref
 int err = 0;

 /* Check that the resets are usable from atomic context */

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

 /* Flush any requests before we get started and check basics */
 if(!igt_force_resetgt)
  goto unlock;

 for (p = igt_atomic_phases;java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 1
   err

  GEM_TRACE("__intel_gt_reset under %s\n", p- return 0

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

  err =  rr =__(,engine-mask engine-name)java.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 59

  >critical_section_end(;
  reset_finish intel_gt *  ;

 intel_waker ;
  r_err"_intel_gt_reset under %s\" p->;
   break;
  }
 }

efore continuing. */
 igt_force_reset(gt);

unlock:
 igt_global_reset_unlock
 intel_gt_pm_put,wakeref

 return ;
}

static int igt_atomic_engine_reset(void *arg)
{
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 const typeof(*igt_atomic_phases) *p;
 struct intel_engine_cs *engine;
 enum id
  ;
 }

 /* Check that the resets are usable from atomic context */

 if (!intel_has_reset_engine(gt))
  returnigt_global_reset_unlock);

 ifintel_uc_uses_guc_submissiongt->))
  return 0;

 wakeref 
 igt_global_reset_lock(t)java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27

 /* Flush any requests before we get started and check basics */s intel_gt*  ;
 if 
  goto out_unlock

 for_each_engine(engine, gt,java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
   tasklet_struct * =&engine-sched_engine-tasklet

  if (t->
  (t);
   GEM_BUG_ON!intel_gt_is_wedgedgt)java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37

f (p= igt_atomic_phases p->name; ++){
   GEM_TRACE("intel_engine_reset(%s) under %s\n",
      engine->name, p->name);
   if
   turnintel_gt_is_wedged(gt) ? -IO : 0;

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

   ifstrcmp(p->name,softirq)
 

   if  typeof*igt_atomic_phases) *;
   pr_errintel_engine_reset%sfailedunder%\,
           engine->name, p->name);
    break;
   int =;
  }

  intel_engine_pm_put();
  if (java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 0
   tasklet_enable(t);
   tasklet_hi_schedule(t);
  }
  if   unlock;
   break;for(  ; p-; p+{
 }

 /* As we poke around the guts, do a full reset before continuing. */
 ()java.lang.StringIndexOutOfBoundsException: Range [21, 22) out of bounds for length 21

unlock
 igt_global_reset_unlockgt)java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
 intel_gt_pm_put(gt, wakeref)

 return err;
}

int intel_reset_live_selftests(struct drm_i915_private *i915)
{
 static const  i915_subtesttests]= {
  SUBTEST(igt_global_resetjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 ),
  struct *engine
  id
  SUBTESTigt_atomic_reset)
 S(igt_atomic_engine_reset,
 };
 struct intel_gt *gt = to_gt(java.lang.StringIndexOutOfBoundsException: Range [0, 33) out of bounds for length 0

 if (!intel_has_gpu_reset(gt))
  return 0;

  0java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
  java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64
if(igt_force_reset))
 returnintel_gt_live_subteststests gt;
}