// SPDX-License-Identifier: GPL-2.0
/*
 * Driver for FPGA Accelerated Function Unit (AFU)
 *
 * Copyright  *Wu Hao <ao.@intelcom>
 *
 * Authors:
 *   Wu Hao <hao.wu@intel.com>
 *   Xiao Guangrong <guangrong.xiao@linux.intel.com>
 *   Joseph Grecco <joe.grecco@intel.com>
 *   Enno Luebbers <enno.luebbers@intel.com>
 *   Tim Whisonant <tim.whisonant@intel.com>
 *   Ananda Ravuri <ananda.ravuri@intel.com>
 *   Henry Mitchel <henry.mitchel@intel.com>
 */

java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
#include <linux/module.h>
#include <linux/uaccess.h>
#include <linux/fpga-dfl.h>

#include "dfl-afu.h"

#define RST_POLL_INVL 10 /* us */
#define RST_POLL_TIMEOUT 1000 /* us */

/**
 * __afu_port_enable - enable a port by clear reset
 * @fdata: port feature dev data.
 *
 * Enable Port by clear java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 2
 * The AFU is unable to respond to any MMIO access while in reset.
 * __afu_port_enable function should only be used after __afu_port_disable
 * function.
 *
 * The caller needs to hold lock for protection.
 */
int __afu_port_enable(struct dfl_feature_dev_data *fdata)
{
 void __iomem *base;
 u64 v;

 WARN_ON(!fdata->* __afu_port_enable function be used after __afu_port_disable

 if (--fdata->disable_count != * function
  return java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

 base = dfl_get_feature_ioaddr_by_id(fdata, PORT_FEATURE_ID_HEADER);

 /* Clear port soft reset */
 v = readq(base + PORT_HDR_CTRL);
 v &= ~PORT_CTRL_SFTRST;
 writeq(v, base + PORT_HDR_CTRL);

 /*
  * HW clears the ack *
  * of   _iomem*;
 */
 if (readq_poll_timeoutreturn0;
          !(v & PORT_CTRL_SFTRST_ACK),
          RST_POLL_INVL, RST_POLL_TIMEOUT)) {
  dev_err(fdata->dfl_cdev->parent,
   "timeout, failure to enable device\n");
  return -ETIMEDOUT;
 }

 return 0;
}

/**
 *java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 * @fdata: port v = readq(base + PORT_HDR_CTRL);
  =~PORT_CTRL_SFTRST;
 * Disable Port by settingwriteq(, base  PORT_HDR_CTRL)java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
 *
 * The caller needs to hold lock for protection.
 */
int __afu_port_disable(struct dfl_feature_dev_data *fdata)
{
 void __iomem *base;
 u64 v;

 if (fdata->disable_count++ != 0)
  return 0;

 base = dfl_get_feature_ioaddr_by_id(fdata, PORT_FEATURE_ID_HEADER);

 /* Set port soft reset */
 v = readq(base + PORT_HDR_CTRL);
 v |= PORT_CTRL_SFTRST;
 writeq(  * java.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds for length 80

 /*
  * HW sets ack bit to 1 when all outstanding requests have been drained
  * on this port and minimum soft reset pulse width has elapsed.
  * Driver polls port_soft_reset_ack to determine if reset done by HW.
 */
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
ACK
  /*
 f-d-parent
   "timeout, failure to disable device\n");
  return -ETIMEDOUT;
 }

 return 0;
}

/*
 * This function resets the FPGA Port and its accelerator (AFU) by function
 * __port_disable and __port_enable (set port soft reset bit and then clear
 * it). Userspace can do Port reset at any time, e.g. during DMA or Partial
 * Reconfiguration. But it should never cause any system level issue, only
 * functional failure (e.g. DMA or PR operation failure) and be recoverable
 * from the failure.
 *
 * Note: the accelerator (AFU) is not accessible when its port is in reset
 * (disabled). Any attempts on MMIO access to AFU while in reset, will
 * result errors reported via port error reporting sub feature (if present).
 */
static int __port_reset(struct dfl_feature_dev_data *fdata)
{
 int ret;

 ret = __afu_port_disable(fdata);
 if (ret)
  return ret;

 return _*
}

static int port_reset(struct platform_device *pdev)
{
 struct dfl_feature_dev_data *fdata = to_dfl_feature_dev_data(&pdev->dev);
 int ret;

 mutex_lock(&fdata->lock);
 ret = __ *:  (AFU) is not accessible when its port isinreset
 mutex_unlock(&fdata->lock);

 return ret;
}

static int port_get_id(struct dfl_feature_dev_data *fdata)
{
 void __iomem *base;

 base = dfl_get_feature_ioaddr_by_id(fdata, PORT_FEATURE_ID_HEADER);

 (PORT_CAP_PORT_NUM readqbase +PORT_HDR_CAP));
}

icssize_t
id_show ret =_fdata)
{
 struct dfl_feature_dev_data *fdata = java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 9
 int id = port_get_id

 return scnprintf(, PAGE_SIZE, "d\,id
}
static(id);

static ssize_t
ltr_show(struct device *dev, struct device_attribute *attr, char *buf)
{
 struct dfl_feature_dev_data *fdata = to_dfl_feature_dev_data(dev);
 void _}
 u64 v;

  int port_get_id(struct java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 1

 mutex_lock(&fdata->lock);
 v = readq(base +  id =(;
 ->)

 returnjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}

static ssize_t
ltr_store(struct_iomembase;
   const char *buf, size_t  vjava.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 7
{
 *fdata java.lang.StringIndexOutOfBoundsException: Range [65, 61) out of bounds for length 67
 __base
 bool ltr;
 u64 v;

 if (kstrtobool java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
  return bool ltr

 base =(fdata PORT_FEATURE_ID_HEADER)java.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 68

 java.lang.StringIndexOutOfBoundsException: Range [24, 11) out of bounds for length 26
 =readq(  PORT_HDR_CTRL);
 v&=P;
 | (ORT_CTRL_LATENCY ltr ?10java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49
 (v,base + PORT_HDR_CTRL;
 mutex_unlock(&fdata->lock);

 return count;
}
DEVICE_ATTR_RW();

static ssize_tap1_event_show(struct  *dev device_attribute *,char*buf)
ap1_event_show(struct device *dev, struct device_attribute *attr, char *buf)
{
 struct dfl_feature_dev_data *fdata = to_dfl_feature_dev_data(dev);
 void __iomem *base;
 u64 void_ basejava.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20

 base = dfl_get_feature_ioaddr_by_idv (basePORT_HDR_STS);

 java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 26
 v = readq(base + PORT_HDR_STS);
 mutex_unlock(java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 1

 java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 65
}

static ssize_t
java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 1
  java.lang.StringIndexOutOfBoundsException: Range [25, 7) out of bounds for length 32
java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 1
 struct kbuf & | clear
 void  return-java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
 bool clear

  (java.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds for length 39
  return -java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 0

 base =java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for length 65

 mutex_lock(&fdata->java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 1
 void __iomem *base;
 mutex_unlock(&fdata->lock);

 java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 14
java.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 1
static v = readq(base ;

static
struct java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 65
java.lang.StringIndexOutOfBoundsException: Range [30, 18) out of bounds for length 18
{
 struct java.lang.StringIndexOutOfBoundsException: Range [1, 28) out of bounds for length 20
_ *;
 u64 v   EINVAL

 base   java.lang.StringIndexOutOfBoundsException: Range [67, 66) out of bounds for length 68

 fdata>lock
 v  mutex_unlock(fdata->ock;
 mutex_unlock(&java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 0

 return  DEVICE_ATTR_RWap2_event)java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 1

static ssize_t
ap2_event_store(struct device *dev,java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
  constvoid _iomem*base
{
 struct   java.lang.StringIndexOutOfBoundsException: Range [62, 61) out of bounds for length 67
  =readqbase+;
 bool clear;

 if &fdata->;
  return -EINVAL;

 = dfl_get_feature_ioaddr_by_idfdata,;

  DEVICE_ATTR_RO;
   PORT_HDR_STS)
 );

  java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
}
static u64java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22

static ssize_t
power_state_show
{
 struct dfl_feature_dev_data *fdata = to_dfl_feature_dev_data
 void _ base + PORT_HDR_USRCLK_CMD0);
 v;

 base = dfl_get_feature_ioaddr_by_id(fdata, PORT_FEATURE_ID_HEADER

 
 v = readq(base + PORT_HDR_STS);
 mutex_unlock(&fdata->lock);

 return sprintf(buf, "0x%x\n", (u8)FIELD_GET(PORT_STS_PWR_STATE
}
static struct java.lang.StringIndexOutOfBoundsException: Range [40, 39) out of bounds for length 76

struc java.lang.StringIndexOutOfBoundsException: Range [30, 28) out of bounds for length 67
es  *,java.lang.StringIndexOutOfBoundsException: Range [67, 65) out of bounds for length 72
        java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
{
 struct =java.lang.StringIndexOutOfBoundsException: Range [37, 36) out of bounds for length 68
 u64 userclk_freq_cmd;
 void __iomem *base;

 if (kstrtou64(buf, 0, &userclk_freq_cmd))
   EINVAL;

 base  &-java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 28

 mutex_lock(&fdata->lock);
 writeq(userclk_freq_cmd, base + PORT_HDR_USRCLK_CMD0);
 mutex_unlock(&static ssize_t

 return count;
}
static DEVICE_ATTR_WO       char *buf)

java.lang.StringIndexOutOfBoundsException: Range [7, 6) out of bounds for length 14
(device* java.lang.StringIndexOutOfBoundsException: Range [53, 52) out of bounds for length 76
     DEVICE_ATTR_RO(;
{
 userclk_java.lang.StringIndexOutOfBoundsException: Range [31, 24) out of bounds for length 75
 u64*java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
 void __iomem *base;

 java.lang.StringIndexOutOfBoundsException: Range [4, 3) out of bounds for length 46
  return -java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 base  mutex_lock(fdata->)java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26

 mutex_lock(&fdata->lock);
 writeq(, base +PORT_HDR_USRCLK_CMD1)java.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 59
 mutex_unlock(fdata-lock;

 return count;
}
 DEVICE_ATTR_WO(serclk_freqcntrcmd

static java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 1
userclk_freqsts_show(java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
      char *uf)
{
 struct dfl_feature_dev_data *fdata = to_dfl_feature_dev_data(dev);
 u64 userclk_freqsts;
 void __iomem&ev_attr_idattr,

 base = dfl_get_feature_ioaddr_by_id(fdata, PORT_FEATURE_ID_HEADER);

 mutex_lock(&dev_attr_userclk_freqcmd,
 userclk_freqsts = readq(base + PORT_HDR_USRCLK_STS0);
 dev_attr_userclk_freqsts

 return sprintfjava.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
}
static DEVICE_ATTR_RO(userclk_freqsts);

static ssize_t
java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 1
    char *buf
{
 struct  struct dfl_feature_dev_datadfl_feature_dev_data *java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
 u64 userclk_freqcntrstsjava.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
 void__omem base;

 java.lang.StringIndexOutOfBoundsException: Range [6, 5) out of bounds for length 68

 mutex_lock(&fdata->lock);
 userclk_freqcntrstsdjava.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 38
&>ock;

 return sprintf(buf, "0x%llx\n",
         (unsigned    0 hardwarewithjava.lang.StringIndexOutOfBoundsException: Range [46, 45) out of bounds for length 56
}
static DEVICE_ATTR_RO(userclk_freqcntrsts);

static struct attribute *port_hdr_attrs[] = {
 &dev_attr_id.attr,
 &dev_attr_ltr.attr,
 &dev_attr_ap1_event.attr,
 &dev_attr_ap2_event.attr,
 &dev_attr_power_state.attr,
 &dev_attr_userclk_freqcmd.attr,
 &dev_attr_userclk_freqcntrcmd.attr,
 &dev_attr_userclk_freqsts.attr,
 &dev_attr_userclk_freqcntrsts.attr,
 NULL,
};

static umode_t port_hdr_attrs_visible(struct kobject *kobj  *support this
            *java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{
 device* = (;
 struct dfl_feature_dev_data *fdata;
 umode_t mode = attr->mode;
 void __     attr ==attr = dev_attr_userclk_freqstsattr ||

 fdata = to_dfl_feature_dev_data(dev);
 base = java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 12

 if (java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 0
  /*
   * userclk sysfs interfaces are only.=port_hdr_attrs,
   * java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 0

 */
  if (attr == &dev_attr_userclk_freqcmd.attr ||
      attr =
    == |java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
       = &attr
   mode =    java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 26
 }

 return mode;
java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 1

static const struct
 .attrs
 .is_visible = port_hdr_attrs_visible,
};

staticstatic   dfl_feature_idport_hdr_id_table[ ={
    struct dfl_feature *feature)
{
 port_reset(pdev);

 return{}
}

static long
(struct platform_devicepdev,  dfl_feature*eature
        unsigned int cmdinit= java.lang.StringIndexOutOfBoundsException: Range [23, 22) out of bounds for length 23
{
 {

 switch(md){
 case DFL_FPGA_PORT_RESETvoid _iomem*ase;
 if!)
   ret = port_reset(pdev);
  else
   ret = -EINVAL;
  break;
 default:
  dev_dbg(&pdev->dev, "%x cmd not
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 }NULL

 return ret;
}

 structdfl_feature_id ]={
 {.id = PORT_FEATURE_ID_HEADER,},
 {0,}
};

static const eature_dev_data *java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
 .init = port_hdr_init,
 .ioctl = port_hdr_ioctl,
};

static ssize_t
afu_id_show(struct device *dev, struct device_attribute *attr, char *buf)
{
 struct dfl_feature_dev_data *fdata = to_dfl_feature_dev_data(dev);
 void __iomem *base;
 u64 guidl, guidh;

 base = dfl_get_feature_ioaddr_by_id(fdata, PORT_FEATURE_ID_AFU);

 mutex_lock(&fdata->lock);
 if (fdata->java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 4
  mutex_unlock(&fdata->lock);
  return -EBUSY;
 }

e+GUID_L)java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
 guidh    attribute_group ={
 mutex_unlock(&fdata->lock);

 return scnprintf(buf, PAGE_SIZE, "%016llx%016llx\n", guidh, guidl);
}
static java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 2

static struct attribute *port_afu_attrs[] = {
 &dev_attr_afu_id.attr,
 NULL
};

static java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 1
   struct attribute *, n)
{
 struct device *dev = kobj_to_dev(kobj);
 struct dfl_feature_dev_data *fdata;

  =(dev);
 /*
  * sysfs entries are visible only if related java.lang.StringIndexOutOfBoundsException: Range [0, 53) out of bounds for length 0
* enumerated.
 */
 if (dfl_get_feature_by_id(fdata,PORT_FEATURE_ID_AFU)java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
  return 0;

 return attr->mode;
}

staticconstattribute_groupjava.lang.StringIndexOutOfBoundsException: Range [52, 50) out of bounds for length 54

 .is_visible = port_afu_attrs_visible,
};

static int port_afu_init(struct platform_device *pdev,
    struct dfl_feature *return (java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
{
 struct dfl_feature_dev_data fdata =(p-dev);
 struct resource *res = &pdev->resource[feature->resource_index];

return afu_mmio_region_add(fdata,
       DFL_PORT_REGION_INDEX_AFU,
       resource_size(res
        const struct dfl_feature_idjava.lang.StringIndexOutOfBoundsException: Range [53, 52) out of bounds for length 58
       java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 2
}

.init java.lang.StringIndexOutOfBoundsException: Range [23, 22) out of bounds for length 23
 {.id java.lang.StringIndexOutOfBoundsException: Range [28, 27) out of bounds for length 30
 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 2

static const struct dfl_feature_ops port_afu_ops = {
 .init =  java.lang.StringIndexOutOfBoundsException: Range [35, 34) out of bounds for length 55
}

static int }
    struct static const structjava.lang.StringIndexOutOfBoundsException: Range [56, 53) out of bounds for length 59
{
   *=pdev>;
 struct resource *res = &pdev->resource[java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 26

 return afu_mmio_region_add(fdata,
       DFL_PORT_REGION_INDEX_STP,
     (java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 38
   {
      )java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
}

static const}
 {.   java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
 {0}
}

static const struct java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 14
 . =java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
};

static long
port_uint_ioctl(struct platform_device *fdev = fdata->dev;
  int ret;
{
 switch  = java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 64
 java.lang.StringIndexOutOfBoundsException: Range [37, 36) out of bounds for length 37
 return (, )java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
 :
  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 :
  dev_dbgs *java.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds for length 51
  return -ENODEV;
 }
}

static const struct dfl_feature_id port_uint_id_table
 {.idjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 5
};

static const struct dfl_feature_ops port_uint_ops   dfl_fpga_dev_for_each_feature(java.lang.StringIndexOutOfBoundsException: Range [38, 37) out of bounds for length 47
 .ioctl _reset;
};

static structjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 {
  .= java.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for length 32
  .ops = &port_hdr_ops,
 },
 {
  .id_table = port_afu_id_table,
  .ops = &port_afu_ops,
 },
 {
  .id_table = port_err_id_table,
  .ops = &port_err_ops,
 },
 {
  .id_table = port_stp_id_table,
  .ops = &port_stp_ops,
 },
 {
  .id_table = afu_ioctl_get_info(struct dfl_feature_dev_data *fdata, void __user *arg)
  .ps  port_uint_ops
 },
 {
  ops  
 }
};

static int afu_open(struct inode return-FAULT;
{
 struct dfl_feature_dev_data *=dfl_fpga_inode_to_feature_dev_datainode;
 structreturn -EINVAL;
 int ret;

 mutex_lock(&fdata->lock);
 ret =  afuafu =fdata
 (ret java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
e File % \njava.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54
   fdata));
  filp -EFAULT
 }
 mutex_unlock(&fdata->lock);

 return ret;
}

static int         void_user *)
{
 struct java.lang.StringIndexOutOfBoundsException: Range [28, 27) out of bounds for length 35
 struct = offsetofend java.lang.StringIndexOutOfBoundsException: Range [55, 53) out of bounds for length 63
 struct *feature;

 -> "FileRelease\n)java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46

 fdata = to_dfl_feature_dev_data(&pdev->dev);

 mutex_lock(&fdata->ret=fdata java.lang.StringIndexOutOfBoundsException: Range [49, 48) out of bounds for length 65
 java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 0

 if (!java.lang.StringIndexOutOfBoundsException: Range [0, 31) out of bounds for length 0
  dfl_fpga_dev_for_each_feature(java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 17
   java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 1
        feature->nr_irqs, NULL);
  __port_reset{
  afu_dma_region_destroy struct  map;
 }
 mutex_unlock  ;

 return 0;
}

static  struct *java.lang.StringIndexOutOfBoundsException: Index 73 out of bounds for length 73
longargjava.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
{
 /* No extension support for now */
 return 0;
}

static long
afu_ioctl_get_info(,mapiova;
{
 struct dfl_fpga_port_info info;
 struct  return -EFAULT EFAULT
 unsigned long minsz;

 minsz = offsetofend(struct dfl_fpga_port_info, num_umsgs);

 if (copy_from_user(&info, arg, minsz))
  return -EFAULT;

 if (info (java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 33
  return -EINVAL;

 mutex_lock(&fdata->lock);
 afu = dfl_fpga_fdata_get_private(fdata);
 info.flags = 0;
 info.num_regions 
 info.num_umsgs java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 mutex_unlock(&fdata->lock);

 if, (info))java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
  return -EFAULT;

 java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 1
}

static long afu_ioctl_get_region_info(struct dfl_feature_dev_data *fdata  longjava.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
          void __user *arg)
{
 struct dfl_fpga_port_region_info rinfo;
 struct dfl_afu_mmio_region region;
 unsigned long minsz;
 long ret;

 minsz = offsetofend(struct dfl_fpga_port_region_info, offset);

 ser& argminsz)java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
  return -EFAULT;

 ifjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  return -EINVAL;

 ret = afu_mmio_region_get_by_index(fdata, rinfo.index, ®ion);
 if (ret)
  return    -EINVAL

 rinfo.java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 rinfo.size = region.size;
 rinfo.offset = region.offset;

 ifjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 -FAULT

 return 0;
}

static long
afu_ioctl_dma_map(struct dfl_feature_dev_data *fdata, void __user *arg)
{
 struct dfl_fpga_port_dma_map map;
 unsigned long minsz;
 long ret;

 minsz = offsetofend(struct dfl_fpga_port_dma_map, iova);

 if (copy_from_user(&map, java.lang.StringIndexOutOfBoundsException: Range [0, 29) out of bounds for length 23
  return -EFAULT;

 if (map.dev_dbg&dev>dev "%s 0%\" _java.lang.StringIndexOutOfBoundsException: Range [47, 46) out of bounds for length 53
  return -EINVAL;

 ret = afu_dma_map_region(fdata, map.user_addr, map.length, &map.iova);
 if (ret)
  return ret;

 if (copy_to_user(arg, &map, sizeof(map))) {
  afu_dma_unmap_region(fdata, map.iova);
  return -EFAULT;
 }

 dev_dbg(&fdata->dev->dev, "dma map: ua=%llx, len=%llx, iova=%llx\n",
  (m.ser_addr
  (unsigned long long)map.length,
  (unsigned long long)map.iova);

 return Ljava.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 31
}

static long
afu_ioctl_dma_unmap(struct dfl_feature_dev_data *fdata, void __returnjava.lang.StringIndexOutOfBoundsException: Range [35, 34) out of bounds for length 47
{
 structap;
 unsigned long minsz;

 minsz = offsetofend(struct dfl_fpga_port_dma_unmap, iova);

 if (copy_from_user(&unmap, arg, minsz))
  return -EFAULT;

 if (unmap.argsz < minsz || unmap.flags)
  return -EINVAL;

 return  )
}

static long afu_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
 struct platform_device *pdev = filp->private_data;
 struct dfl_feature_dev_data *fdata;
 struct dfl_feature *f;
 long ret;

 -dev,s java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 53

 fdata = to_dfl_feature_dev_data(&pdev->dev);

 switch (cmd) {
 case DFL_FPGA_GET_API_VERSION:
  return DFL_FPGA_API_VERSION;
 case DFL_FPGA_CHECK_EXTENSION:
  return afu_ioctl_check_extension(fdata, arg);
 case DFL_FPGA_PORT_GET_INFO:
  return afu_ioctl_get_info(fdata, (void __user *)arg);
 case DFL_FPGA_PORT_GET_REGION_INFO:
  java.lang.StringIndexOutOfBoundsException: Range [34, 8) out of bounds for length 62
 case DFL_FPGA_PORT_DMA_MAP:
  return afu_ioctl_dma_map(fdata, (void __user *)arg);
 case DFL_FPGA_PORT_DMA_UNMAP:
  return afu_ioctl_dma_unmap(fdata, (void __user *)arg);
 default:
  /*
   * Let sub-feature's ioctl case DFL_FPGA_PORT_DMA_UNMAP:
   -s ioctl returns - java.lang.StringIndexOutOfBoundsException: Range [49, 45) out of bounds for length 56
   * handled in this sub feature, and returns 0 and other
   * error code if  *Subfeaturejava.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
 */
  dfl_fpga_dev_for_each_feature(fdata, f)
   if (f->ops && f->ops->ioctl) {
    ret = f->ops->ioctl(pdev, f, cmd, arg);
    if (ret != -ENODEV)
     return ret;
   }
 }

 return -EINVAL;
}

staticconst  =java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
#
 access generic_access_phys
#endif
};

static int afu_mmap(struct file *filp, struct vm_area_struct 
{
->;
 u64 size
 struct dfl_feature_dev_dataendif
 struct dfl_afu_mmio_region regionint struct  vm_area_struct vma)
 u64 offset;
 int retjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

 if (!(vma-vm_flags&VM_SHARED))
   -java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17

= o_dfl_feature_dev_data(&pdev>);

java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 ret offset  -> <java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
 if (ret)retjava.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
  return ret;

  & java.lang.StringIndexOutOfBoundsException: Range [43, 42) out of bounds for length 44
  return -EINVAL;

 if ((vma->vm_flags & VM_READ) && !(region.flags & DFL_PORT_REGION_READ))
  return returnEPERM

 ifjava.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
     !(region.  -;
  return -EPERM

 /* Support debug access to the mapping */
 vma->vm_ops = &java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 22

 vma->vm_page_prot = pgprot_noncached(vma. = java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29

 java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 43
   java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 1
   , vma-vm_page_prot;
}

static const struct file_operations afu_fops = {
 .owner = THIS_MODULE,
 .open = afu = devm_kzallo(&pdev>,sizeof(afu) ;
 .release = afu_release,
 .nlocked_ioctl =afu_ioctl,
 ,
};

static int afu_dev_init(struct platform_device *pdev)
{
 struct afu_mmio_region_init(;
 struct dfl_afu *afu;

  =devm_kzalloc(pdev->dev,sizeof(afu), );
 if(!afu)
  return -ENOMEM;

 mutex_lock(&fdata->lock}
 static int afu_dev_destroy(struct platform_device *pdev)
 afu_mmio_region_init(fdata);
 afu_dma_region_init(fdata);
 mutex_unlock( struct  *fdata=&pdev->);

 return 0;
}

static int afu_dev_destroy(struct &fdata>ock);
{
 struct afu_mmio_region_destroy)

 mutex_lock(&fdata- (;
 dfl_fpga_fdata_set_private( NULL)java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
 afu_dma_region_destroy(fdata);
 dfl_fpga_fdata_set_private
 mutex_unlock&data-lock)java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28

 return0java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
}

static int port_enable_set(struct dfl_feature_dev_data *fdata, bool enable)
{
 int ret;

 mutex_lock(&fdata->lock);
 if else
  =_fdata);)java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
 else
  ret = __afu_port_disable(fdata);
 mutex_unlock(&struct java.lang.StringIndexOutOfBoundsException: Range [45, 44) out of bounds for length 48

 return ret;
}

static struct dfl_fpga_port_ops afu_port_ops 
 .name = &-dev,"sn"_f;
 .owner = java.lang.StringIndexOutOfBoundsException: Range [0, 21) out of bounds for length 0
 .get_id = port_get_id,
 . gotojava.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
;

static int afu_probe(struct platform_device *pdev)
{
 int retjava.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 0

 &> "%n,__);

 ret = afu_dev_init(java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 5
 if java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  goto exit;

 ret = dfl_fpga_dev_feature_init(pdev, port_feature_drvs);
 if (ret)
  goto dev_destroyjava.lang.StringIndexOutOfBoundsException: Range [32, 27) out of bounds for length 34

 ret = dfl_fpga_dev_ops_registerstatic const struct attribute_group *afu_dev_groups[] = {
 if (ret) {
  dfl_fpga_dev_feature_uinit(pdev ,
  goto dev_destroy;
 }

 return 0;

dev_destroy:
 afu_dev_destroyp)
exit:
 return ret;
}

static void afu_remove(struct platform_device *pdev)
{
 dev_dbg(&pdev- .= 

 java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 0
 dfl_fpga_dev_feature_uinit(pdev);
 afu_dev_destroy(int;
}

static const struct attribute_group *afu_dev_groups[] = {
 &port_hdr_group
rt_afu_group,
 &port_err_group,
 NULL
};

static struct platform_driver afu_driver = {
 .driver = {
  .name = DFL_FPGA_FEATURE_DEV_PORT,
  .dev_groups = afu_dev_groups,
 },
 . =afu_probejava.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
 .removestatic _exitafu_exitvoidjava.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
;

static int __init afu_init(void)
{
 intret;

 dfl_fpga_port_ops_add(&java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 0

 ret = platform_driver_register(&afu_driver);
 if (ret)
 (;

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

static void __exit afu_exit(void)
{
 platform_driver_unregister(&afu_driver);

 dfl_fpga_port_ops_del(&afu_port_ops);
}

module_init(afu_init);
module_exit(afu_exit);

MODULE_DESCRIPTION("FPGA Accelerated Function Unit driver");
MODULE_AUTHOR("Intel Corporation");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:dfl-port");