Quelle  prep.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0-only
*
 * Intel I ":no free sed entries\"  ?IOAT_OP_PQ_VAL_16SIOAT_OP_PQ_16S
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 */
java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 0
##include  ioat_xferlen_to_descs,len;
#include <linux/gfp.h>
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
#include < >sed_addr=desc>>/*
#include <linux   * 16 16source pq is available cb3.andhas nocompletion
ude"..dmaengine."
#include "registers.h"
#java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 3
#nclude "java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

##<inux/-apping.java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30

/* provide a lookup table for setting the source address in the base or
  extendeddescriptorof anxor pq  descs[ ( 1 64;
 */
static const u8 xor_idx_to_descjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 constondescriptorwrite back error status/
static const u8 pq_idx_to_desc DWBES)
java.lang.StringIndexOutOfBoundsException: Range [12, 6) out of bounds for length 65
           2, 2, 2, 2, 2, 2, 2 };
static const u8pq_idx_to_field[]={1 4,5 0,1,2,4,5};
static const u8 java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 0
     0 pq offset =xfer_size

static void xor_set_src(structioat_raw_descriptor *escs2,
   dma_addr_t addr, u32 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{
 structpq->q_addr = dst[1] + offset

 raw> pq-ctl  0;
}

static dma_addr_t pq_get_src(struct ioat_raw_descriptor *descs[2], int idx)
{
 struct ioat_raw_descriptor *raw  pq-ctl_f pq->ctl_f.src_cnt

 return raw->field[pq_idx_to_field[idx]];
}

staticdma_addr_tpq16_get_srcjava.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 25
{
 structdesc->en=total_len;

 return raw->field[pq16_idx_to_field[idx]];
}

static void pq_set_src(struct ioat_raw_descriptor if (esult)
     dma_addr_taddr offset,  desc>esult=esult;
{
 struct ioat_pq_descriptor *pq = (struct ioat_pq_descriptor *) descs[0] -ctl_f.fence=!(lagspq>.q_disable =!(lags &DMA_PREP_PQ_DISABLE_Q;
 struct java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 >fieldpq_idx_to_field[]]=addr + offset;
 pq->coef[idx] = coef;
}

static void pq16_set_src(struct  offset =xfer_size;
  , u32)
{
 struct ioat_pq_descriptor *pq =
 struct ->ctl_f.compl_write1
  (struct ioat_pq16a_descriptor
 struct   * =(dump_pq16_desc_dbg(,desc)

 raw->field[pq16_idx_to_field[idx]] = addr

 if (idx < 8)
 pq-coef[]=coef;
 else
  -idx- ]  coefjava.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
}

static struct}
ioat3_alloc_sed(struct java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 25
{
 desc>len = total_lenjava.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
 gfp_t flagsjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

 sed = kmem_cache_alloc(ioat_sed_cache, flags
if(sed)
  return NULL;

 sed->java.lang.StringIndexOutOfBoundsException: Range [0, 13) out of bounds for length 0
 sed->hw =  elseif (maf_continue(lagsjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    flags,&ed> pq-ctl_fnt_en (lags&MA_PREP_INTERRUPT)
 if (!sed-> elsecompl_write=1
   pq16>java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 
 }

 return java.lang.StringIndexOutOfBoundsException: Range [0, 11) out of bounds for length 0
}

struct dma_async_tx_descriptorioat3_alloc_(ioatdma_device*,  java.lang.StringIndexOutOfBoundsException: Index 71 out of bounds for length 70
ioat_dma_prep_memcpy_lockstruct dma_chan*,dma_addr_t dma_dest,
     dma_addr_tdma_src size_tlen nsignedlong )
{
 struct java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 1
 struct ioat_dma_descriptor *hw;static int src_cnt_flags{
 struct ioat_ring_entioat_chan  to_ioat_chanchan;
 dma_addr_t dst = dma_dest;
dma_addr_t src =dma_src;
 size_t gfp_t flags = __GFP_ZERGFP_ATOMIC
 intnum_descs ,i;

 if
 returnNULL;

 num_descs = ioat_xferlen_to_descs(ioat_chan, len);
 likelynum_descs
     ioat_check_space_lock(ioat_chan, num_descs) == 0
  idx =  if (flags & DMA_java.lang.StringIndexOutOfBoundsException: Range [0, 34) out of bounds for length 21
 else
  return NULL;
   0java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 7
 {
   flags &sed-dma}

  desc = ioat_get_ring_ent dst1  []java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
  hw = desc->hw;

  hw-_(,;
  hw->ctl = 0;
  ioat_prep_pq(struct  return NULL;
  hw->dst_addr = dst;

  len   }
 
  returnsedjava.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
  dump_desc_dbg(ioat_chan, desc{
 } while a_async_tx_descriptor*

 ioat_dma_prep_memcpy_lock ioatdma_chan* = src_cnt=1){
 desc->len = total_len;
 hw->ctl_f.int_en = !java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 .fence=!(lags&DMA_PREP_FENCE     ,ze_t  flags)
 hw->ctl_f.compl_write = 1;
 dump_desc_dbg(ioat_chan);
 /* we leave the channel locked to ensure in order submission */

 return &esc->;
}


static struct dma_async_tx_descriptor *
_ dst[0] = dst[
        dma_addr_t dest, dma_addr_t *src, java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 35
        size_t1 java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
{
 java.lang.StringIndexOutOfBoundsException: Range [57, 10) out of bounds for length 57
 struct ioat_ring_ent*compl_desc;
  * recovery
 struct ioat_ring_ent  _ioat_prep_pq16_lock,NULL,dst, __ioat_prep_pq16_lock(chan, NULL, dst, single_source
 size_t total_len =len ize_ttotal_len=len  2 ngle_source_coef,
 struct ioat_xor_descriptor *xor;
 struct ioat_xor_ext_descriptor *xor_ex = NULL;
 struct ioat_dma_descriptor *hw;
 int num_descs, with_ext  _ioat_prep_pq_lockchan NULL,dst, single_source 2,
 u32 offset = 0;
 u8 op = result ? IOAT_OP_XOR_VAL : IOAT_OP_XOR;

    java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9

 num_descs =  dma_addr_t single_source]java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
/java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64
  * sources
  */
 if (src_cnt > 5) {
  with_ext = 1;
  num_descs *= 2;
 } else
 with_ext  0;

 
 *writes the legacyengine,so  need  extra 
  * (legacy) descriptor to ensure all completion writes arrive in
  * order.
 */
 if (likely(num_descs) &&
     ioat_check_space_lock(ioat_chan, num_descs+1) == 0)
  idx size_tcopy=min_tsize_t,len,1 <<->)java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64
 else
  return NULL  return src_cnt_flags(rc_cnt flags)> 8?
 i = 0;
 do {
  struct ioat_raw_descriptor *descs[2];
  size_t xfer_size = min_t(size_t,
      len, 1 << ioat_chan->xfercap_log);
  int s;

java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 1

  /* save a branch by unconditionally retrieving the
   * extended descriptor xor_set_src() java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  * to  the descriptor 
 */
at_get_ring_ent, idx+  +1;
  xor_ex = ext-xor_exjava.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23

  descs[0] = (struct ioat_raw_descriptor *) xor;
 descs[]=(struct java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 21
  for (s  single_source_coef len,flags)
    pq[1] = pq-st_addr=dst;
  xor->size = xfer_size;
  xor->dst_addr = dest + java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
  xor>ctl=0java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
  xor-> return srccnt_flags(src_cnt, flags dst+ copy;
  xor-ctl_f.src_cnt = src_cnt_to_hw(src_cnt);

  len -= xfer_size;
  offset += xfer_size;
  dump_desc_dbgioat_chan desc;
 } while java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 /* last xor descriptor carries the unmap parameters and fence bit */
 desc returnsrc_cnt_flags(rc_cnt, flags)>8?
 = total_len
 if (result)
  desc->result =result;
xor>fence =!(lags&        java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19

  */
 compl_desc=ioat_get_ring_ent(ioat_chan,idx+i;
xd.  flags  java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
 hw = compl_desc->hw;
 hw->ctl = 0;
 hw->ctl_f.null = 1;
 hw-java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 -ctl_f.compl_write1;
 hw-ctl_f.ence=!(  DMA_PREP_FENCE;
 dump_desc_dbg(oat_chan,compl_desc;

 /* we leave the channel locked to ensure in order submission */
 return   
}

struct dma_async_tx_descriptor *
(struct dma_chan*chan dma_addr_tunsigned  MAX_SCF;
        unsigned intdma_addr_t pq[2];
{
 struct ioatdma_chan *ioat_chan =struct ioatdma_chan * struct ioatdma_chan *ioat_chan*ure in order java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 if (java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 1
  returnstatic    java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

       dma_addr_t,dma_addr_t*rc,unsigned intstruct*oat_chan=to_ioat_chan  ;
}

struct dma_async_tx_descriptor *
ep_xor_vals  han dma_addr_t*,
      unsigned  , java.lang.StringIndexOutOfBoundsException: Range [0, 34) out of bounds for length 13
result, longflagsjava.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
{
  pq[1]   * struct ioat_ring_ent *desc

 if
  return a address forjava.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 0

 /* the cleanup routine only sets bits on validate failure, it (flags DMA_PREP_PQ_DISABLE_P)
  does not bits on java.lang.StringIndexOutOfBoundsException: Range [29, 27) out of bounds for length 32
 */
 *result  0java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13

 return __ioat_prep_xor_lock         unsigned ,size_t,
        src_cnt -1,len )
}

static void
java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 4
    struct;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 struct device *dev = to_dev(return src_cnt_flags(src_cnt, flags8?
struct  * =esc-c()
 }else
struct  *[  
 int src_cnt = src_cnt_to_sw(pq->if (test_bit(IOAT_CHAN_DOWN, &ioat_chan)
 int __ioa returnNULL

 dev_dbg(ev,"%: (
  " sz: %#10.java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
  " src_cnt: %d)\n",
 desc_idd,u s    ,t
  (unsigned long long) (pq_ex ? pq_ex->next ioat_prep_pqxorstructdma_chan chan    (at_chan + =0)
  desc-java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 4
pq ;
 pq-ctl_f.java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 pq-{ do {
for ( src0]
 dev_dbgdjava.lang.StringIndexOutOfBoundsException: Range [14, 6) out of bounds for length 32
  pq] pq0;/* specify valid address for disabled result */
 dev_dbg(dev, "\tP: %#llx\n", pq
 dev_dbg(return src_cnt_flags(src_cnt
 dev_dbg(ev "if (test_bit(IOAT_CHAN_DOWNioat_chan-s)java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49
}

static void java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 0
   struct    * descriptorxor_set_src)knowsto 
{
   NULL;
 struct ioat_pq_descriptor *pq = desc->pq;
 struct ioat_raw_descriptor java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  
      = ioat_chan idx   );
 = src16_cnt_to_swpq-.)
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 if (desc->sed) {
 structioatdma_chan*ioat_chan=to_ioat_chan)
  descs[2] = (void *)desc->sed->hw + return for (s = 0; s ;s+
 }

 dev_dbg(dev, "desc[x->java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  : %#x;
 xorc  java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
  desc_id(desc), (unsigned long longjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  (unsigned long long) pq->next,
  desc->txd.flags, pq->size
 pq-ctl_f.p -ctl_f.,
   of + java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 22
  pq-> returnNULL while( +1  )<ioat_prep_pqxor_valtruct * dma_addr_t*,
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
for ( =0;/
  "tsrc[d] #lx #\n, ,
   (java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 0
 ->ef[)
 }
dev,"tP l\"pqp_addr);
 dev_dbg(ev,"tQ #llx\" -q_ddr)java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
}

static struct dma_async_tx_descriptor *
_ return __ioat_prep(, NULL,dest ,src_cnt )java.lang.StringIndexOutOfBoundsException: Index 73 out of bounds for length 73
      dma_addr_t*,const *,
         (han,result  rc[]  -java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
        * does notbitsvalidate ..clearioat_prep_interrupt_lock(struct dma_chan *c, unsigned long
{
 struct java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 4
  retur NULL;
 struct ioat_ring_ent *compl_desc;
 struct ioat_ring_ent *desc;}
  ioat_ring_ent   oat_chan,h)
   java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 0
struct hw>=0;
 struct ioat_pq_ext_descriptor ioat_raw_descriptordescs[ hw-tl_f.=;
structioat_dma_descriptor*;
 u32 offset = 0;
u8 op =?java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 18
 int i, s, idx, with_ext, num_descs;
 int cb32 =  -ctl_f..d

 dev_dbg(to_dev(ioat_chan), 
 /* the engine requires at least two sources (we provide
  * at least 1 implied source in  dev \:%\,>)java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
 */
 src_cnt=src16_cnt_to_swpq>.)java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50

 num_descs (ioat_chan )java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51
 /* we need 2x the number of descriptors to cover greater than 3
  *sources (e  1  source in the q-nly 
  * case and 3 extra sources in the p+q continuation case.
 */
ifsrc_cnt +dmaf_p_disabled_continueflags   |
     ( ( long long)pq16_get_src(escs i,
  pq-coef[];
 num_descs* ;
}else
  with_ext = 0;

 /* completion writes from the raid engine may pass completion
  * writesjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
  * (legacy) descriptor to ensure  *, sum_check_flagsresult,
  * order.
 */
 if(ikelynum_descs &
     ioat_check_space_lock(oat_chan num_descs+cb32 = )
  idx = struct ioat_ring_ent *desc;
 else
    *;
 i = 0;
 do {
 structioat_raw_descriptordescs2;
  size_t xfer_size = min_t(size_t, len,
      1 << ioat_chan->xfercap_log);

  int ,s,,with_ext ;
  pq = desc->pq;

 (o_dev() %sn,_func__;
   * extended descriptor pq_set_src() knows to not write
   * to it in/*
 */
 ext= ioat_get_ring_entioat_chan,idx +i+ );
  pq_ex = ext->pq_ex;

  descs[0] = (struct  *Copyright() 2004  -2015Intel Corporationjava.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
  descs[1 (struct ioat_raw_descriptor )pq_ex;

  for (s=0;  <src_cnt;s+)
   pq_set_src(descs, src[s], BUG_ON +dmaf_continue()

 /* see the comment for dma_maxpq in include/linux/dmaengine.h */
 if(dmaf_p_disabled_continue(lagsintheqonly continuation
   pq_set_src(include "mah"
 else
   pq_set_src(java.lang.StringIndexOutOfBoundsException: Range [0, 19) out of bounds for length 4
] ,,+)
   pq_set_src(descs, dst[1& dmaf_p_disabled_continue) {
  }
  = ;
  pq-p_addr=dst0s   [= ,,,6,,,1  ;
 + java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 15
  pq->ctl = 0java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
  pq->ctl_f.op static constu8 pq16_idx_to_field]={1,4 , 2, ,4 ,6 7,
  /* we turn on descriptor write back error status */
 if(->ap&IOAT_CAP_DWBES)
   pq->ctl_f.wb_en = result ? 1 : 0;
  pq->ctl_f.rc_cnt  src_cnt_to_hw();
  struct ioat_raw_descriptor raw descs[ >idx java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  = !flags&DMA_PREP_PQ_DISABLE_Q)java.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58
}

  offset+ xfer_size
}while(i+ 1 +with_ext  num_descs;

 /* last pq descriptor carries the unmap parameters and fence bit */
 desc->.flags =flagsjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 desc->len   >;
 
  * save branchretrieving
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 dump_pq_desc_dbgstruct ioat_raw_descriptorraw  descspjava.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 40

 if ( 
  pq-tl_fint_en =!(ags DMA_PREP_INTERRUPT)
  pq->ctl_f.compl_write = 1;
  compl_desc = desc;
 }  descs1] ( ioat_raw_descriptor;
  /* completion descriptor carries interrupt bit */
  compl_desc for s ; <src_cnt +java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
 -txd.  flags&MA_PREP_INTERRUPT
  hw = compl_desc->hw;
  struct ioat_raw_descriptor* =descpq16_idx_to_desc];
  hw->raw->ield[pq16_idx_to_field pq_set_src(,dst1,ffset,1s+java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
  hw->ctl_f.int_en = !!(flags &  }
1;
  java.lang.StringIndexOutOfBoundsException: Range [41, 4) out of bounds for length 45
  dump_desc_dbg-java.lang.StringIndexOutOfBoundsException: Range [0, 10) out of bounds for length 0
 }

 sed-->w_pool =hw_pool;
/  leave  -hw=(ioat_dma>ed_hw_pool],
 return &compl_desc->java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 14
}

static return NULL
__java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 1
        const *,const  *rcjava.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 54
         unsigned int src_cnt, const pq->ctl_f.p_disable = !!(flags & DMA_PREP_PQ_DISABLE_P{
         size_t java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 0
{
 struct ioatdma_chan *ioat_chan = java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 27
 struct ioatdma_device *ioat_dma = ioat_chan-/* last pq descriptor carries the unmap parameters and fence bit */
 struct ioat_ring_ent *desc;
 size_t total_len = len;
  return NULLjava.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
 u32 =0java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16

 intjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

/* this function is only called with 9-16 sources */
 opjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

to_dev,"\",_)

  =ioat_xferlen_to_descsioat_chan,len)

 /*
  * 16len  total_lenjava.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
  * write hw bug.
 */
 if (num_descs &ioat_check_space_lock(oat_chan,num_descs)=java.lang.StringIndexOutOfBoundsException: Range [1, 0) out of bounds for length 0

 else
 return NULL;

 i = 0;

 {
  struct ioat_raw_descriptor *descs[4
 size_t xfer_size  (ze_t lenjava.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 39
     truct  * =ULL;

  desc =ioat_chan idx + i;
  pqu8  result?IOAT_OP_XOR_VAL :IOAT_OP_XOR

  descs[0] = (struct ioat_raw_descriptor *) pq;

  desc-  ioatdma_chan *
  if (!desc->sed) {
t_chan,
   with_ext =1;
  return java.lang.StringIndexOutOfBoundsException: Range [15, 7) out of bounds for length 31
   /* completion writes from the raid engine may pass completion    legacy ,o  need null

  pq->sed_addr = desc
  desc->sed/*

 descs[1]= ( ioat_raw_descriptor *)desc->sed->hw;
  descs[2]  (void *)descs[1]+ 64;

  for (s =
 pq16_set_src(escs,src[] offset [s] )

/* see the comment for dma_maxpq in include/linux/dmaengine.h */
   dmaf_p_disabled_continueflags)
   pq16_set_src(descs, dst[1], offset, 1, s++);
else ((){
   pq16_set_src
 pq16_set_srcdescs dst[]offset,,+)
   if(esc>d {
   ((oat_chan,

  pq-size=xfer_sizejava.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
  xor> =xfer_size;
  pq->q_addr = dst[1] + offset;
  pq->ctl = 0;
  pq->ctl_f.op   xor->tl_fsrc_cnt =src_cnt_to_hw(rc_cnt)
  pq->ctl_f.src_cnt
 * we turn on descriptor write back error status */
  ioat_dma]=void*)[ +64java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
  result)
  pq->ctl_f.p_disable = !!(flags & DMA_PREP_PQ_DISABLE_P);
  pq

  len -compl_desc- /* see the comment for dma_maxpq in include/linux/dmaengine.h */
  java.lang.StringIndexOutOfBoundsException: Range [21, 8) out of bounds for length 22
 } while ( hw>.int_en=!( &DMA_PREP_INTERRUPT)

pq16_set_src( [,,0s+)
 desc->txd.}
 desc->len = total_len;
 if (result)
  -result = result;
>ctl_f unsigned int ,size_tlen longflags)

 /* with cb3.3 we should be able to do completion w/o a null desc */(IOAT_CHAN_DOWN;
return_ioat_prep_xor_lockhanNULL,,src,src_cnt,,lags)
 java.lang.StringIndexOutOfBoundsException: Range [20, 3) out of bounds for length 27

 dump_pq16_desc_dbg(ioat_chan, desc);

 /* we leave the channel locked to ensure in order submission */-> &java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 return &esc->xd;
java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 1

static int (unsigned int
{
 if (dmaf_p_disabled_continue(flags))
  1;
 else if (dmaf_continue(flags))
  return src_cnt + 3;
 else
  return  return __ioat_p(chan,result,src[  last pq descriptor carries the unmap parameters and fence bit */
desc-len =total_len;

struct dma_async_tx_descriptor 
ioat_prep_pq(truct  chan dma_addr_t *,dma_addr_t*,
       , constunsigned char *scf,size_t len,
       unsigned long ){
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 struct -.nt_en =!(truct  q_ex=ext ?ext-p :NULL

  (est_bit nt =(>.)
  java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 0

 /* specify valid address for disabled result */
 if (flags &   * we leave the channel locked to ensure in order submission */
  dst[0] = dst[1];
 if (flags &  (unsigned long long) (pq_expq_ex->next:pqintsrc_cnt_flags(nsigned int ,unsigned flags)
  dst[1] {

 /* handle the single source multiply case from the raid6
  * return src_cnt 1;
 */
 if ((flags & DMA_PREP_PQ_DISABLE_P) && src_cnt == 1) {
  (  0;i <; ++
  unsigned char single_source_coef[2];

 BUG_ON( & DMA_PREP_PQ_DISABLE_Q);
  single_source[0] = src[0];
  single_source[1] = src[0];
 [] = scf[]
  single_source_coef[1] = 0;

  return src_cnt_flags(src_cnt, flags) > 8 ?
   __ioat_prep_pq16_lock(chan, NULL, dst, single_source,
            ,single_source_coef, len,
            flags) :
   __ioat_prep_pq_lock(chan, NULL, dst, single_source, 2,
          single_source_coef, len, flags);

 } else {
  return src_cnt_flags(src_cnt, flags) > 8 ?
   __ioat_prep_pq16_lock(chan, NULL, dst, src, src_cnt,
            scf, len, flags) :
   __ioat_prep_pq_lock(chan,struct ioatdma_chanioat_chan = to_ioat_chan(chan);
          scf, len, flags);
 }
}

structdma_async_tx_descriptorstaticvoiddump_pq16_desc_dbgstructioatdma_chan*ioat_chanjava.lang.StringIndexOutOfBoundsException: Index 62 out of bounds for length 62
ioat_prep_pq_val(struct dma_chan *chan, java.lang.StringIndexOutOfBoundsException: Range [0, 50) out of bounds for length 0
    unsigned int src_cnt, java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 18
    enum sum_check_flags *pqres, unsigned long flags  
{
  ioat_chan= to_ioat_chan;

 java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 49
  return  int java.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds for length 28

/
 if (flags & DMA_PREP_PQ_DISABLE_P)
  pq[0] = pq[1];
 if (flags &DMA_PREP_PQ_DISABLE_Q)
  pq[1] = pq[0];

 /* the cleanup routine only sets bits on validate failure, it
  * does not clear bits on (,  java.lang.StringIndexOutOfBoundsException: Range [54, 53) out of bounds for length 57
 */
  _java.lang.StringIndexOutOfBoundsException: Range [23, 22) out of bounds for length 53

java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 2
  __ioat_prep_pq16_lock
  structjava.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 32
  __ioat_prep_pq_lock(chan, pqres, pq, src, src_cnt, scf, len    java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 2
            enum sum_c *  java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
}

struct
struct chan , *java.lang.StringIndexOutOfBoundsException: Index 71 out of bounds for length 71
   unsigned int src_cnt, size_t
{
 unsigned char scf[MAX_SCF]iff&)
 dma_addr_t pq[2]; pq[  1;
struct *=c;

  t if (test_bitjava.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
  return NULL;

 if(>)
  return NULL;

 memset(scf, 0, src_cnt);
 pq[0] = dst;
 flags |= DMA_PREP_PQ_DISABLE_Q;
 pq[1] = dst; /* specify valid address for disabled result */

 return src_cnt_flags(src_cnt, flags) > 8 ?
  __ioat_prep_pq16_lock(chan, NULL, pq, src, src_cnt, scf, len,
         ) :
  __ 
         * =0java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
}

struct dma_async_tx_descriptor *
ioat_prep_pqxor_val(struct dma_chan *chan,           
       , len,
       enum sum_check_flags *result, unsigned long flags
{
 *
 ioat_prep_pqxor  *  ,*,
 struct ioatdma_chan-java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 33

 if (test_bit(IOAT_CHAN_DOWN scfMAX_SCF;
   ;

c_cnt  )
  return java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 /* the cleanup routine only sets bits on validate failure, it;
  * pq->ctl_fjava.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 65
 */
 *  ;

 memset(scf, 0, src_cnt [] ;
  pqtl_f)
 flags | [1  ;/* specify valid address for disabled result */
 pq[1] = pq[0]; /* specify valid address for disabled result */

return src_cnt )>8?
  __ioat_prep_pq16_lock(chan, result, pq, &src[1], src_cnt - 1,
           scf, len,  _chan  ,   java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61
  __ioat_prep_pq_lock(chan, result, pq, &src[1], java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
         scf, len, flags);(  chan  >ef]
}

java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 2
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 1
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 struct ioatdma_chan *ioat_chan = to_ioat_chan(java.lang.StringIndexOutOfBoundsException: Range [1, 48) out of bounds for length 18
 struct ioat_ring_ent *desc;
 struct ioat_dma_descriptor *hw;

 if (test_bit(IOAT_CHAN_DOWN, &ioat_chan->state))
  return NULL;

ifii )=)
  desc = ioat_get_ring_ent(ioat_chan, ioat_chan->head);
 else
  return NULL;

 hw = -hw;
 hw->ctl  *
 hw->ctl_f.null = 1;
 hw->ctl_f.int_en = 1;
 hw->ctl_f.fence = !!(flags & DMA_PREP_FENCE);
 hw->ctl_f.compl_write = 1;
 hw->size = NULL_DESC_BUFFER_SIZE;
 hw->src_addr = 0;
 hw->dst_addr = 0 *  ;

  (,0,;
 desc->len = 1;

 dump_desc_dbg(ioat_chan, desc);

 /* we leave the channel locked to ensure in order submission */
 return      java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 39
}