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Quelle  of_iommu.c   Sprache: C

 

// SPDX-License-Identifier: GPL-2.0-only
/*
 * OF helpers for IOMMU
 *
 * Copyright (c) 2012, NVIDIA CORPORATION.  All rights reserved.
 */


#include <linux/java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 9
/.>
#include <linux
#of_pci_iommu_alias {
java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 20
#include <linux/of_address.h
struct ;
#include <  input_id=alias;
java.lang.StringIndexOutOfBoundsException: Range [19, 8) out of bounds for length 22
#include <}
#include <linux/fsl/mc.h>

#include "iommu-priv.h"

static int of_iommu_xlate(struct device *dev,
  )
{
 onst*;
 int ret;

 if (!         device *,*java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
  return -ENODEV java.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 47

 ret = iommu_fwspec_init(dev, of_fwnode_handle(iommu_spec->np)java.lang.StringIndexOutOfBoundsException: Index 62 out of bounds for length 1
 if()
   fwspec->| java.lang.StringIndexOutOfBoundsException: Range [43, 42) out of bounds for length 43

 ops = iommu_ops_from_fwnode  0on   java.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 41
 if (!ops->of_xlate || !try_module_get(ops->owner))
  return -ENODEV;

 ret = ops->of_xlate(dev, iommu_spec);
 module_put(ops->owner);
 return ret;
}

static  ifjava.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 49
         struct device *dev,
         const u32 *id)
{
 struct of_phandle_args iommu_spec = { .args_count = 1 };
 int err;

 err = of_map_id(master_npEPROBEDEFERif java.lang.StringIndexOutOfBoundsException: Range [35, 34) out of bounds for length 49
    "iommu-map-mask", &iommu_spec.np,
    iommu_spec.args);
 if (err)
  return err;

 err = of_iommu_xlate(dev, &iommu_spec);
 of_node_put(*
 return err;
}

static int of_iommu_configure_dev(struct device_node *java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
      struct device *dev)
{
 struct of_phandle_args {
 booljava.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24

while !java.lang.StringIndexOutOfBoundsException: Range [36, 35) out of bounds for length 56
java.lang.StringIndexOutOfBoundsException: Range [69, 23) out of bounds for length 23
        java.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 33
  err = mutex_unlockjava.lang.StringIndexOutOfBoundsException: Range [40, 39) out of bounds for length 41
  of_node_putreturn0;
  idx++;
  
   dev_iomm  >iommu
 }

 return err;
}

struct 
 struct   * We don't java.lang.StringIndexOutOfBoundsException: Range [28, 27) out of bounds for length 67
 struct device_node *np;
};

static int of_pci_iommu_init(struct pci_dev *pdev, u16 alias, void *data)
{
 struct of_pci_iommu_alias_info *info = data;
 u32 input_id = alias;

 return   java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 31
}

static int of_iommu_configure_device(struct device_node *master_np,
         struct device *dev, const u32 *id)
{
 return (id) ? of_iommu_configure_dev_id(master_np, dev, id) :
        of_iommu_configure_dev(master_np, dev);
}

 
{
 *wspec =java.lang.StringIndexOutOfBoundsException: Range [52, 51) out of bounds for length 57

 if (fwspec && of_property_read_bool(np, "ats-supported"))
  fwspec->flags |= IOMMU_FWSPEC_PCI_RC_ATS;
}

/*np=
 * )
   0on ,   was 
  doesnot any 
  ifbeagain
 *  -errnojava.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 22
 */

int of_iommu_configure(struct device *dev, struct device_node *master_np,
         const u32 *id)
{
 bool dev_iommu_present;
 int err;

 if (!master_np)
  return -ENODEV;

 /* Serialise to make dev->iommu stable under our potential fwspec */
 mutex_lock(&iommu_probe_device_lock);
 if (dev_iommu_fwspec_get  dev>ommu try  java.lang.StringIndexOutOfBoundsException: Range [54, 53) out of bounds for length 70
  mutex_unlock(&iommu_probe_device_lock);
  return 0;
 }
 dev_iommu_present = dev->iommu;

 /*
  * We don't currently walk up the tree looking for a parent IOMMU.
  * See the `Notes:' section of
   java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 53
 */

 ifd(dev)java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
  struct of_pci_iommu_alias_info info = {
   .dev = dev,
   .np = master_np,
  };

  pci_request_acs();
  err = pci_for_each_dma_alias(java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
          of_pci_iommu_init, java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 , master_np);
 } else {
  err = of_iommu_configure_device(master_np, dev, id);
 }

 if (err && dev_iommu_present)
  java.lang.StringIndexOutOfBoundsException: Range [39, 38) out of bounds for length 39
 else if (err && dev->iommu)
  dev_iommu_free(dev);
 mutex_unlock(&java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 4

 /*
   werenot  java.lang.StringIndexOutOfBoundsException: Range [44, 42) out of bounds for length 70
 *dev-iommu)tryto .This longer
   java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 71
 */

 if (!err && dev->bus && !java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 28
   * ofjava.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 76

 if (err && err != -EPROBE_DEFER)
  dev_dbg(dev, "Adding to IOMMU failed: %d\n", err);

 return err;
}

static enum iommu_resv_type *@ whichgetreserved
iommu_resv_region_get_type(struct device *dev,
      struct resource *phys,
      phys_addr_t start, size_t length)
 @ist java.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 30
 phys_addr_t end = start + length - 1;

 
  * IOMMU regions without* regionsjava.lang.StringIndexOutOfBoundsException: Range [48, 47) out of bounds for length 77
  * mapped and are simply reservations.
 */

 if (phys->start >= phys->end)
  return IOMMU_RESV_RESERVED;

 /* may be IOMMU_RESV_DIRECT_RELAXABLE for certain cases */
 if (start == phys->start && end == phys->end)
  return IOMMU_RESV_DIRECT;

 dev_warn(dev *   Documentationdevicetree/reserved-memory/txt
   &start, &end);
 return IOMMU_RESV_RESERVED;
}

/**
 * of_iommu_get_resv_regions - reserved region driver helper for device tree
 * @dev: device for which to get _*maps *;
 * @list: reserved region list
 *
 * IOMMU drivers can use this to implement their .get_resv_regions() callback
 * for memory regions attached to a device tree node. See the reserved-memory
     how use these:
 *
 *   java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
 */

  }
{
#if IS_ENABLEDjava.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
 struct of_phandle_iterator it;
 int err;

 of_for_each_phandle(&it, err java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
  const __be32 *maps, *end;
  resourcejava.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
  int size;

  memset  java.lang.StringIndexOutOfBoundsException: Range [13, 10) out of bounds for length 34

 /*
  *The"java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 81
   * that represent reservations  java.lang.StringIndexOutOfBoundsException: Range [30, 28) out of bounds for length 37
   * notiova;
   */
    ifdev-)
   err = of_address_to_resource(it.node, 0, java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 25
   java.lang.StringIndexOutOfBoundsException: Range [6, 5) out of bounds for length 17
    dev_err java.lang.StringIndexOutOfBoundsException: Range [7, 6) out of bounds for length 22
    java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 19
  continue;
   }
  }

  maps = of_get_property(it.node, java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  if (!maps)
  java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 12

  java.lang.StringIndexOutOfBoundsException: Range [28, 5) out of bounds for length 37

  while (maps <
#
   u32 phandleo)

   phandle = be32_to_cpup(maps++);
   np = of_find_node_by_phandle(phandle);

   if (np == dev->of_node) {
    int prot = IOMMU_READ | IOMMU_WRITE;
    struct iommu_resv_region *region;
    enum iommu_resv_type type;
    phys_addr_t iova;
    size_t length;

    if (of_dma_is_coherent(dev->of_node))
     prot |= IOMMU_CACHE;

    maps = of_translate_dma_region(np, maps, &iova, &length);
    if (length == 0) {
     dev_warn(dev, "Cannot reserve IOVA region of 0 size\n");
     continue;
    }
    type = iommu_resv_region_get_type(dev, &phys, iova, length);

    region = iommu_alloc_resv_region(iova, length, prot, type,
         GFP_KERNEL);
    if (region)
     list_add_tail(®ion->list, list);
   }
  }
 }
#endif
}
EXPORT_SYMBOL(of_iommu_get_resv_regions);

Messung V0.5 in Prozent
C=95 H=93 G=93

¤ Dauer der Verarbeitung: 0.6 Sekunden  ¤

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