Revision - b17faba - ntb_transport: Limit memory windows based on available, scratchpads

Revision b17faba03fc72091f4d040b879def004316952ec authored by Shyam Sundar S K on 07 December 2016, 17:07:05 UTC, committed by Jon Mason on 23 December 2016, 21:10:35 UTC

ntb_transport: Limit memory windows based on available, scratchpads

When the underlying NTB H/W driver advertises more memory windows
than the number of scratchpads available to setup MW's, it is likely
that we may end up filling the remaining memory windows with garbage.
So to avoid that, lets limit the memory windows that transport driver
can setup based on the available scratchpads.

Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Acked-by: Allen Hubbe <Allen.Hubbe@dell.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>

1 parent 872deb2

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keywords.hash.c_shipped

/* ANSI-C code produced by gperf version 3.0.4 */
/* Command-line: gperf -t --output-file scripts/genksyms/keywords.hash.c_shipped -a -C -E -g -k '1,3,$' -p -t scripts/genksyms/keywords.gperf  */

#if !((' ' == 32) && ('!' == 33) && ('"' == 34) && ('#' == 35) \
      && ('%' == 37) && ('&' == 38) && ('\'' == 39) && ('(' == 40) \
      && (')' == 41) && ('*' == 42) && ('+' == 43) && (',' == 44) \
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/* The character set is not based on ISO-646.  */
#error "gperf generated tables don't work with this execution character set. Please report a bug to <bug-gnu-gperf@gnu.org>."
#endif

#line 4 "scripts/genksyms/keywords.gperf"

struct resword;
static const struct resword *is_reserved_word(register const char *str, register unsigned int len);
#line 8 "scripts/genksyms/keywords.gperf"
struct resword { const char *name; int token; };
/* maximum key range = 98, duplicates = 0 */

#ifdef __GNUC__
__inline
#else
#ifdef __cplusplus
inline
#endif
#endif
static unsigned int
is_reserved_hash (register const char *str, register unsigned int len)
{
  static const unsigned char asso_values[] =
    {
      101, 101, 101, 101, 101, 101, 101, 101, 101, 101,
      101, 101, 101, 101, 101, 101, 101, 101, 101, 101,
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      101, 101, 101, 101, 101, 101, 101, 101, 101, 101,
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       10,  40,  10, 101,  10,   5,   0,  10,  15, 101,
      101, 101, 101, 101, 101, 101, 101, 101, 101, 101,
      101, 101, 101, 101, 101, 101, 101, 101, 101, 101,
      101, 101, 101, 101, 101, 101, 101, 101, 101, 101,
      101, 101, 101, 101, 101, 101, 101, 101, 101, 101,
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      101, 101, 101, 101, 101, 101, 101, 101, 101, 101,
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      101, 101, 101, 101, 101, 101, 101, 101, 101, 101,
      101, 101, 101, 101, 101, 101, 101, 101, 101, 101,
      101, 101, 101, 101, 101, 101, 101, 101, 101, 101,
      101, 101, 101, 101, 101, 101
    };
  return len + asso_values[(unsigned char)str[2]] + asso_values[(unsigned char)str[0]] + asso_values[(unsigned char)str[len - 1]];
}

#ifdef __GNUC__
__inline
#if defined __GNUC_STDC_INLINE__ || defined __GNUC_GNU_INLINE__
__attribute__ ((__gnu_inline__))
#endif
#endif
const struct resword *
is_reserved_word (register const char *str, register unsigned int len)
{
  enum
    {
      TOTAL_KEYWORDS = 46,
      MIN_WORD_LENGTH = 3,
      MAX_WORD_LENGTH = 24,
      MIN_HASH_VALUE = 3,
      MAX_HASH_VALUE = 100
    };

  static const struct resword wordlist[] =
    {
      {""}, {""}, {""},
#line 35 "scripts/genksyms/keywords.gperf"
      {"asm", ASM_KEYW},
      {""},
#line 15 "scripts/genksyms/keywords.gperf"
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#line 23 "scripts/genksyms/keywords.gperf"
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#line 32 "scripts/genksyms/keywords.gperf"
      {"_restrict", RESTRICT_KEYW},
      {""},
#line 17 "scripts/genksyms/keywords.gperf"
      {"__attribute", ATTRIBUTE_KEYW},
#line 11 "scripts/genksyms/keywords.gperf"
      {"EXPORT_SYMBOL_GPL", EXPORT_SYMBOL_KEYW},
#line 21 "scripts/genksyms/keywords.gperf"
      {"__extension__", EXTENSION_KEYW},
#line 44 "scripts/genksyms/keywords.gperf"
      {"enum", ENUM_KEYW},
#line 13 "scripts/genksyms/keywords.gperf"
      {"EXPORT_UNUSED_SYMBOL", EXPORT_SYMBOL_KEYW},
#line 45 "scripts/genksyms/keywords.gperf"
      {"extern", EXTERN_KEYW},
      {""},
#line 24 "scripts/genksyms/keywords.gperf"
      {"__signed", SIGNED_KEYW},
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      {"__inline", INLINE_KEYW},
#line 40 "scripts/genksyms/keywords.gperf"
      {"auto", AUTO_KEYW},
#line 28 "scripts/genksyms/keywords.gperf"
      {"__volatile", VOLATILE_KEYW},
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#line 58 "scripts/genksyms/keywords.gperf"
      {"unsigned", UNSIGNED_KEYW},
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      {"short", SHORT_KEYW},
#line 47 "scripts/genksyms/keywords.gperf"
      {"inline", INLINE_KEYW},
      {""},
#line 60 "scripts/genksyms/keywords.gperf"
      {"volatile", VOLATILE_KEYW},
#line 49 "scripts/genksyms/keywords.gperf"
      {"long", LONG_KEYW},
#line 31 "scripts/genksyms/keywords.gperf"
      {"_Bool", BOOL_KEYW},
      {""}, {""},
#line 50 "scripts/genksyms/keywords.gperf"
      {"register", REGISTER_KEYW},
#line 59 "scripts/genksyms/keywords.gperf"
      {"void", VOID_KEYW},
      {""},
#line 43 "scripts/genksyms/keywords.gperf"
      {"double", DOUBLE_KEYW},
      {""},
#line 26 "scripts/genksyms/keywords.gperf"
      {"__typeof", TYPEOF_KEYW},
      {""}, {""},
#line 52 "scripts/genksyms/keywords.gperf"
      {"signed", SIGNED_KEYW},
      {""}, {""}, {""}, {""},
#line 56 "scripts/genksyms/keywords.gperf"
      {"typeof", TYPEOF_KEYW},
#line 55 "scripts/genksyms/keywords.gperf"
      {"typedef", TYPEDEF_KEYW},
      {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
      {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
      {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
#line 46 "scripts/genksyms/keywords.gperf"
      {"float", FLOAT_KEYW}
    };

  if (len <= MAX_WORD_LENGTH && len >= MIN_WORD_LENGTH)
    {
      register int key = is_reserved_hash (str, len);

      if (key <= MAX_HASH_VALUE && key >= 0)
        {
          register const char *s = wordlist[key].name;

          if (*str == *s && !strcmp (str + 1, s + 1))
            return &wordlist[key];
        }
    }
  return 0;
}

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