コード例 #1
0
ファイル: ieee1275.c プロジェクト: GrandTyRant/grub2
int
grub_ieee1275_instance_to_path (grub_ieee1275_ihandle_t ihandle,
				char *path, grub_size_t len,
				grub_ssize_t *actual)
{
  struct instance_to_path_args
  {
    struct grub_ieee1275_common_hdr common;
    grub_ieee1275_ihandle_t ihandle;
    grub_ieee1275_cell_t buf;
    grub_ieee1275_cell_t buflen;
    grub_ieee1275_cell_t actual;
  }
  args;

  INIT_IEEE1275_COMMON (&args.common, "instance-to-path", 3, 1);
  args.ihandle = ihandle;
  args.buf = (grub_ieee1275_cell_t) path;
  args.buflen = (grub_ieee1275_cell_t) len;
  
  if (IEEE1275_CALL_ENTRY_FN (&args) == -1)
    return -1;
  if (actual)
    *actual = args.actual;
  if (args.actual == IEEE1275_CELL_INVALID)
    return -1;
  return 0;
}
コード例 #2
0
ファイル: openfw.c プロジェクト: GrandTyRant/grub2
/* Call the "map" method of /chosen/mmu.  */
static int
grub_map (grub_addr_t phys, grub_addr_t virt, grub_uint32_t size,
		   grub_uint8_t mode)
{
  struct map_args {
    struct grub_ieee1275_common_hdr common;
    char *method;
    grub_ieee1275_ihandle_t ihandle;
    grub_uint32_t mode;
    grub_uint32_t size;
    grub_uint32_t virt;
    grub_uint32_t phys;
    int catch_result;
  } args;

  INIT_IEEE1275_COMMON (&args.common, "call-method", 6, 1);
  args.method = "map";
  args.ihandle = grub_ieee1275_mmu;
  args.phys = phys;
  args.virt = virt;
  args.size = size;
  args.mode = mode; /* Format is WIMG0PP.  */

  if (IEEE1275_CALL_ENTRY_FN (&args) == -1)
    return -1;

  return args.catch_result;
}
コード例 #3
0
ファイル: ieee1275.c プロジェクト: flihp/grub2
grub_uint64_t
grub_ieee1275_num_blocks (grub_ieee1275_ihandle_t ihandle)
{
  struct nblocks_args_ieee1275
  {
    struct grub_ieee1275_common_hdr common;
    grub_ieee1275_cell_t method;
    grub_ieee1275_cell_t ihandle;
    grub_ieee1275_cell_t catch_result;
    grub_ieee1275_cell_t blocks;
  }
  args;

  INIT_IEEE1275_COMMON (&args.common, "call-method", 2, 2);
  args.method = (grub_ieee1275_cell_t) "#blocks";
  args.ihandle = ihandle;
  args.catch_result = 1;

  if ((IEEE1275_CALL_ENTRY_FN (&args) == -1) || (args.catch_result != 0))
    return -1;

  /*
   * If the number of blocks exceeds the range of an unsigned number,
   * return 0 to alert the caller to try the #blocks64 command.
   */
  if (args.blocks >= 0xffffffffULL)
    return 0;

  return args.blocks;
}
コード例 #4
0
ファイル: ieee1275.c プロジェクト: GrandTyRant/grub2
int
grub_ieee1275_seek (grub_ieee1275_ihandle_t ihandle, int pos_hi,
		    int pos_lo, grub_ssize_t *result)
{
  struct write_args
  {
    struct grub_ieee1275_common_hdr common;
    grub_ieee1275_ihandle_t ihandle;
    grub_ieee1275_cell_t pos_hi;
    grub_ieee1275_cell_t pos_lo;
    grub_ieee1275_cell_t result;
  }
  args;

  INIT_IEEE1275_COMMON (&args.common, "seek", 3, 1);
  args.ihandle = ihandle;
  args.pos_hi = (grub_ieee1275_cell_t) pos_hi;
  args.pos_lo = (grub_ieee1275_cell_t) pos_lo;

  if (IEEE1275_CALL_ENTRY_FN (&args) == -1)
    return -1;

  if (result)
    *result = args.result;
  return 0;
}
コード例 #5
0
ファイル: ieee1275.c プロジェクト: Firef0x/burg-new
int
grub_ieee1275_claim_vaddr (grub_addr_t vaddr, grub_size_t size)
{
  struct claim_vaddr_args
  {
    struct grub_ieee1275_common_hdr common;
    grub_ieee1275_cell_t method;
    grub_ieee1275_cell_t ihandle;
    grub_ieee1275_cell_t align;
    grub_ieee1275_cell_t size;
    grub_ieee1275_cell_t virt;
    grub_ieee1275_cell_t catch_result;
  }
  args;

  INIT_IEEE1275_COMMON (&args.common, "call-method", 5, 2);
  args.method = (grub_ieee1275_cell_t) "claim";
  args.ihandle = grub_ieee1275_mmu;
  args.align = 0;
  args.size = size;
  args.virt = vaddr;
  args.catch_result = (grub_ieee1275_cell_t) -1;

  if (IEEE1275_CALL_ENTRY_FN (&args) == -1)
    return -1;
  return args.catch_result;
}
コード例 #6
0
ファイル: ieee1275.c プロジェクト: GrandTyRant/grub2
int
grub_ieee1275_get_property_length (grub_ieee1275_phandle_t phandle, 
				   const char *prop, grub_ssize_t *length)
{
  struct get_property_args
  {
    struct grub_ieee1275_common_hdr common;
    grub_ieee1275_phandle_t phandle;
    grub_ieee1275_cell_t prop;
    grub_ieee1275_cell_t length;
  }
  args;

  INIT_IEEE1275_COMMON (&args.common, "getproplen", 2, 1);
  args.phandle = phandle;
  args.prop = (grub_ieee1275_cell_t) prop;
  args.length = (grub_ieee1275_cell_t) -1;

  if (IEEE1275_CALL_ENTRY_FN (&args) == -1)
    return -1;
  *length = args.length;
  if (args.length == IEEE1275_CELL_INVALID)
    return -1;
  return 0;
}
コード例 #7
0
ファイル: ieee1275.c プロジェクト: GrandTyRant/grub2
int
grub_ieee1275_get_property (grub_ieee1275_phandle_t phandle,
			    const char *property, void *buf,
			    grub_size_t size, grub_ssize_t *actual)
{
  struct get_property_args
  {
    struct grub_ieee1275_common_hdr common;
    grub_ieee1275_phandle_t phandle;
    grub_ieee1275_cell_t prop;
    grub_ieee1275_cell_t buf;
    grub_ieee1275_cell_t buflen;
    grub_ieee1275_cell_t size;
  }
  args;

  INIT_IEEE1275_COMMON (&args.common, "getprop", 4, 1);
  args.phandle = phandle;
  args.prop = (grub_ieee1275_cell_t) property;
  args.buf = (grub_ieee1275_cell_t) buf;
  args.buflen = (grub_ieee1275_cell_t) size;

  if (IEEE1275_CALL_ENTRY_FN (&args) == -1)
    return -1;
  if (actual)
    *actual = (grub_ssize_t) args.size;
  if (args.size == IEEE1275_CELL_INVALID)
    return -1;
  return 0;
}
コード例 #8
0
ファイル: ieee1275.c プロジェクト: GrandTyRant/grub2
int
grub_ieee1275_read (grub_ieee1275_ihandle_t ihandle, void *buffer,
		    grub_size_t len, grub_ssize_t *actualp)
{
  struct write_args
  {
    struct grub_ieee1275_common_hdr common;
    grub_ieee1275_ihandle_t ihandle;
    grub_ieee1275_cell_t buf;
    grub_ieee1275_cell_t len;
    grub_ieee1275_cell_t actual;
  }
  args;

  INIT_IEEE1275_COMMON (&args.common, "read", 3, 1);
  args.ihandle = ihandle;
  args.buf = (grub_ieee1275_cell_t) buffer;
  args.len = (grub_ieee1275_cell_t) len;

  if (IEEE1275_CALL_ENTRY_FN (&args) == -1)
    return -1;
  if (actualp)
    *actualp = args.actual;
  return 0;
}
コード例 #9
0
ファイル: ofdisk.c プロジェクト: flihp/grub2
static grub_err_t
grub_ofdisk_get_block_size (const char *device, grub_uint32_t *block_size,
			    struct ofdisk_hash_ent *op)
{
  struct size_args_ieee1275
    {
      struct grub_ieee1275_common_hdr common;
      grub_ieee1275_cell_t method;
      grub_ieee1275_cell_t ihandle;
      grub_ieee1275_cell_t result;
      grub_ieee1275_cell_t size1;
      grub_ieee1275_cell_t size2;
    } args_ieee1275;

  if (last_ihandle)
    grub_ieee1275_close (last_ihandle);

  last_ihandle = 0;
  last_devpath = NULL;

  grub_ieee1275_open (device, &last_ihandle);
  if (! last_ihandle)
    return grub_error (GRUB_ERR_UNKNOWN_DEVICE, "can't open device");

  *block_size = 0;

  if (op->block_size_fails >= 2)
    return GRUB_ERR_NONE;

  INIT_IEEE1275_COMMON (&args_ieee1275.common, "call-method", 2, 2);
  args_ieee1275.method = (grub_ieee1275_cell_t) "block-size";
  args_ieee1275.ihandle = last_ihandle;
  args_ieee1275.result = 1;

  if (IEEE1275_CALL_ENTRY_FN (&args_ieee1275) == -1)
    {
      grub_dprintf ("disk", "can't get block size: failed call-method\n");
      op->block_size_fails++;
    }
  else if (args_ieee1275.result)
    {
      grub_dprintf ("disk", "can't get block size: %lld\n",
		    (long long) args_ieee1275.result);
      op->block_size_fails++;
    }
  else if (args_ieee1275.size1
	   && !(args_ieee1275.size1 & (args_ieee1275.size1 - 1))
	   && args_ieee1275.size1 >= 512 && args_ieee1275.size1 <= 16384)
    {
      op->block_size_fails = 0;
      *block_size = args_ieee1275.size1;
    }

  return 0;
}
コード例 #10
0
ファイル: datetime.c プロジェクト: bluemutedwisdom/grub2
grub_err_t
grub_get_datetime (struct grub_datetime *datetime)
{
  struct get_time_args
  {
    struct grub_ieee1275_common_hdr common;
    grub_ieee1275_cell_t method;
    grub_ieee1275_cell_t device;
    grub_ieee1275_cell_t catch_result;
    grub_ieee1275_cell_t year;
    grub_ieee1275_cell_t month;
    grub_ieee1275_cell_t day;
    grub_ieee1275_cell_t hour;
    grub_ieee1275_cell_t minute;
    grub_ieee1275_cell_t second;
  }
  args;
  int status;
  grub_ieee1275_ihandle_t ihandle;

  if (no_ieee1275_rtc)
    return grub_get_datetime_cmos (datetime);
  if (!rtc)
    find_rtc ();
  if (!rtc)
    return grub_get_datetime_cmos (datetime);

  status = grub_ieee1275_open (rtc, &ihandle);
  if (status == -1)
    return grub_error (GRUB_ERR_IO, "couldn't open RTC");

  INIT_IEEE1275_COMMON (&args.common, "call-method", 2, 7);
  args.device = (grub_ieee1275_cell_t) ihandle;
  args.method = (grub_ieee1275_cell_t) "get-time";

  status = IEEE1275_CALL_ENTRY_FN (&args);

  grub_ieee1275_close (ihandle);

  if (status == -1 || args.catch_result)
    return grub_error (GRUB_ERR_IO, "get-time failed");

  datetime->year = args.year;
  datetime->month = args.month;
  datetime->day = args.day;
  datetime->hour = args.hour;
  datetime->minute = args.minute;
  datetime->second = args.second;

  return GRUB_ERR_NONE;
}
コード例 #11
0
ファイル: openfw.c プロジェクト: kphillisjr/burg
/* Resolve aliases.  */
char *
grub_ieee1275_canonicalise_devname (const char *path)
{
  struct canon_args
  {
    struct grub_ieee1275_common_hdr common;
    grub_ieee1275_cell_t path;
    grub_ieee1275_cell_t buf;
    grub_ieee1275_cell_t inlen;
    grub_ieee1275_cell_t outlen;
  }
  args;
  char *buf = NULL;
  grub_size_t bufsize = 64;
  int i;

  for (i = 0; i < 2; i++)
    {
      grub_free (buf);

      buf = grub_malloc (bufsize);
      if (!buf)
	return NULL;

      INIT_IEEE1275_COMMON (&args.common, "canon", 3, 1);
      args.path = (grub_ieee1275_cell_t) path;
      args.buf = (grub_ieee1275_cell_t) buf;
      args.inlen = (grub_ieee1275_cell_t) (bufsize - 1);

      if (IEEE1275_CALL_ENTRY_FN (&args) == -1)
	return 0;
      if (args.outlen > bufsize - 1)
	{
	  bufsize = args.outlen + 2;
	  continue;
	}
      return buf;
    }
  /* Shouldn't reach here.  */
  grub_free (buf);
  return NULL;
}
コード例 #12
0
ファイル: openfw.c プロジェクト: Firef0x/burg-new
/* Call the "map" method of /chosen/mmu.  */
int
grub_ieee1275_map (grub_addr_t phys, grub_addr_t virt, grub_size_t size,
		   grub_uint32_t mode)
{
  struct map_args {
    struct grub_ieee1275_common_hdr common;
    grub_ieee1275_cell_t method;
    grub_ieee1275_cell_t ihandle;
    grub_ieee1275_cell_t mode;
    grub_ieee1275_cell_t size;
    grub_ieee1275_cell_t virt;
#ifdef GRUB_MACHINE_SPARC64
    grub_ieee1275_cell_t phys_high;
#endif
    grub_ieee1275_cell_t phys_low;
    grub_ieee1275_cell_t catch_result;
  } args;

  INIT_IEEE1275_COMMON (&args.common, "call-method",
#ifdef GRUB_MACHINE_SPARC64
			7,
#else
			6,
#endif
			1);
  args.method = (grub_ieee1275_cell_t) "map";
  args.ihandle = grub_ieee1275_mmu;
#ifdef GRUB_MACHINE_SPARC64
  args.phys_high = 0;
#endif
  args.phys_low = phys;
  args.virt = virt;
  args.size = size;
  args.mode = mode; /* Format is WIMG0PP.  */
  args.catch_result = (grub_ieee1275_cell_t) -1;

  if (IEEE1275_CALL_ENTRY_FN (&args) == -1)
    return -1;

  return args.catch_result;
}
コード例 #13
0
ファイル: ieee1275.c プロジェクト: GrandTyRant/grub2
int
grub_ieee1275_finddevice (char *name, grub_ieee1275_phandle_t *phandlep)
{
  struct find_device_args
  {
    struct grub_ieee1275_common_hdr common;
    grub_ieee1275_cell_t device;
    grub_ieee1275_phandle_t phandle;
  }
  args;

  INIT_IEEE1275_COMMON (&args.common, "finddevice", 1, 1);
  args.device = (grub_ieee1275_cell_t) name;

  if (IEEE1275_CALL_ENTRY_FN (&args) == -1)
    return -1;
  *phandlep = args.phandle;
  if (args.phandle == IEEE1275_PHANDLE_INVALID)
    return -1;
  return 0;
}
コード例 #14
0
ファイル: ieee1275.c プロジェクト: GrandTyRant/grub2
int
grub_ieee1275_parent (grub_ieee1275_phandle_t node,
		      grub_ieee1275_phandle_t *result)
{
  struct parent_args
  {
    struct grub_ieee1275_common_hdr common;
    grub_ieee1275_phandle_t node;
    grub_ieee1275_phandle_t result;
  }
  args;

  INIT_IEEE1275_COMMON (&args.common, "parent", 1, 1);
  args.node = node;
  args.result = IEEE1275_PHANDLE_INVALID;

  if (IEEE1275_CALL_ENTRY_FN (&args) == -1)
    return -1;
  *result = args.result;
  return 0;
}
コード例 #15
0
ファイル: ieee1275.c プロジェクト: Firef0x/burg-new
int
grub_ieee1275_alloc_physmem (grub_addr_t *paddr, grub_size_t size,
			     grub_uint32_t align)
{
  grub_uint32_t memory_ihandle;
  struct alloc_physmem_args
  {
    struct grub_ieee1275_common_hdr common;
    grub_ieee1275_cell_t method;
    grub_ieee1275_cell_t ihandle;
    grub_ieee1275_cell_t align;
    grub_ieee1275_cell_t size;
    grub_ieee1275_cell_t catch_result;
    grub_ieee1275_cell_t phys_high;
    grub_ieee1275_cell_t phys_low;
  }
  args;
  grub_ssize_t actual = 0;

  grub_ieee1275_get_property (grub_ieee1275_chosen, "memory",
			      &memory_ihandle, sizeof (memory_ihandle),
			      &actual);
  if (actual != sizeof (memory_ihandle))
    return -1;

  if (!align)
    align = 1;

  INIT_IEEE1275_COMMON (&args.common, "call-method", 4, 3);
  args.method = (grub_ieee1275_cell_t) "claim";
  args.ihandle = memory_ihandle;
  args.align = (align ? align : 1);
  args.size = size;
  if (IEEE1275_CALL_ENTRY_FN (&args) == -1)
    return -1;

  *paddr = args.phys_low;

  return args.catch_result;
}
コード例 #16
0
ファイル: ofdisk.c プロジェクト: hisilicon/grub
grub_err_t
grub_ofdisk_get_block_size (const char *device, grub_uint32_t *block_size)
{
  struct size_args_ieee1275
    {
      struct grub_ieee1275_common_hdr common;
      grub_ieee1275_cell_t method;
      grub_ieee1275_cell_t ihandle;
      grub_ieee1275_cell_t result;
      grub_ieee1275_cell_t size1;
      grub_ieee1275_cell_t size2;
    } args_ieee1275;

  if (last_ihandle)
    grub_ieee1275_close (last_ihandle);

  last_ihandle = 0;
  last_devpath = NULL;

  grub_ieee1275_open (device, &last_ihandle);
  if (! last_ihandle)
    return grub_error (GRUB_ERR_UNKNOWN_DEVICE, "can't open device");

  INIT_IEEE1275_COMMON (&args_ieee1275.common, "call-method", 2, 2);
  args_ieee1275.method = (grub_ieee1275_cell_t) "block-size";
  args_ieee1275.ihandle = last_ihandle;
  args_ieee1275.result = 1;

  *block_size = GRUB_DISK_SECTOR_SIZE;

  if ((IEEE1275_CALL_ENTRY_FN (&args_ieee1275) == -1) || (args_ieee1275.result))
    grub_dprintf ("disk", "can't get block size\n");
  else
    if (args_ieee1275.size1
        && !(args_ieee1275.size1 & (args_ieee1275.size1 - 1))
        && args_ieee1275.size1 >= 512 && args_ieee1275.size1 <= 16384)
      *block_size = args_ieee1275.size1;

  return 0;
}
コード例 #17
0
ファイル: ieee1275.c プロジェクト: GrandTyRant/grub2
int
grub_ieee1275_instance_to_package (grub_ieee1275_ihandle_t ihandle,
				   grub_ieee1275_phandle_t *phandlep)
{
  struct instance_to_package_args
  {
    struct grub_ieee1275_common_hdr common;
    grub_ieee1275_ihandle_t ihandle;
    grub_ieee1275_phandle_t phandle;
  }
  args;

  INIT_IEEE1275_COMMON (&args.common, "instance-to-package", 1, 1);
  args.ihandle = ihandle;
  
  if (IEEE1275_CALL_ENTRY_FN (&args) == -1)
    return -1;
  *phandlep = args.phandle;
  if (args.phandle == IEEE1275_PHANDLE_INVALID)
    return -1;
  return 0;
}
コード例 #18
0
ファイル: ieee1275.c プロジェクト: GrandTyRant/grub2
int
grub_ieee1275_peer (grub_ieee1275_phandle_t node,
		    grub_ieee1275_phandle_t *result)
{
  struct peer_args
  {
    struct grub_ieee1275_common_hdr common;
    grub_ieee1275_phandle_t node;
    grub_ieee1275_phandle_t result;
  }
  args;

  INIT_IEEE1275_COMMON (&args.common, "peer", 1, 1);
  args.node = node;

  if (IEEE1275_CALL_ENTRY_FN (&args) == -1)
    return -1;
  *result = args.result;
  if (args.result == 0)
    return -1;
  return 0;
}
コード例 #19
0
ファイル: ieee1275.c プロジェクト: flihp/grub2
grub_uint64_t
grub_ieee1275_num_blocks64 (grub_ieee1275_ihandle_t ihandle)
{
  struct nblocks_args_ieee1275
  {
    struct grub_ieee1275_common_hdr common;
    grub_ieee1275_cell_t method;
    grub_ieee1275_cell_t ihandle;
    grub_ieee1275_cell_t catch_result;
    grub_ieee1275_cell_t hi_blocks;
    grub_ieee1275_cell_t lo_blocks;
  }
  args;

  INIT_IEEE1275_COMMON (&args.common, "call-method", 2, 3);
  args.method = (grub_ieee1275_cell_t) "#blocks64";
  args.ihandle = ihandle;
  args.catch_result = 1;

  if ((IEEE1275_CALL_ENTRY_FN (&args) == -1) || (args.catch_result != 0))
    return -1;

  return ((args.hi_blocks << 32) | (args.lo_blocks));
}
コード例 #20
0
ファイル: ieee1275.c プロジェクト: GrandTyRant/grub2
int
grub_ieee1275_next_property (grub_ieee1275_phandle_t phandle, char *prev_prop,
			     char *prop)
{
  struct get_property_args
  {
    struct grub_ieee1275_common_hdr common;
    grub_ieee1275_phandle_t phandle;
    grub_ieee1275_cell_t prev_prop;
    grub_ieee1275_cell_t next_prop;
    grub_ieee1275_cell_t flags;
  }
  args;

  INIT_IEEE1275_COMMON (&args.common, "nextprop", 3, 1);
  args.phandle = phandle;
  args.prev_prop = (grub_ieee1275_cell_t) prev_prop;
  args.next_prop = (grub_ieee1275_cell_t) prop;
  args.flags = (grub_ieee1275_cell_t) -1;

  if (IEEE1275_CALL_ENTRY_FN (&args) == -1)
    return -1;
  return (int) args.flags;
}
コード例 #21
0
ファイル: ofdisk.c プロジェクト: ChinaFengliang/grub
static void
dev_iterate (const struct grub_ieee1275_devalias *alias)
{
  if (grub_strcmp (alias->type, "vscsi") == 0)
    {
      static grub_ieee1275_ihandle_t ihandle;
      struct set_color_args
      {
	struct grub_ieee1275_common_hdr common;
	grub_ieee1275_cell_t method;
	grub_ieee1275_cell_t ihandle;
	grub_ieee1275_cell_t catch_result;
	grub_ieee1275_cell_t nentries;
	grub_ieee1275_cell_t table;
      }
      args;
      char *buf, *bufptr;
      unsigned i;

      if (grub_ieee1275_open (alias->path, &ihandle))
	return;
    
      INIT_IEEE1275_COMMON (&args.common, "call-method", 2, 3);
      args.method = (grub_ieee1275_cell_t) "vscsi-report-luns";
      args.ihandle = ihandle;
      args.table = 0;
      args.nentries = 0;

      if (IEEE1275_CALL_ENTRY_FN (&args) == -1 || args.catch_result)
	{
	  grub_ieee1275_close (ihandle);
	  return;
	}

      buf = grub_malloc (grub_strlen (alias->path) + 32);
      if (!buf)
	return;
      bufptr = grub_stpcpy (buf, alias->path);

      for (i = 0; i < args.nentries; i++)
	{
	  grub_uint64_t *ptr;

	  ptr = *(grub_uint64_t **) (args.table + 4 + 8 * i);
	  while (*ptr)
	    {
	      grub_snprintf (bufptr, 32, "/disk@%" PRIxGRUB_UINT64_T, *ptr++);
	      dev_iterate_real (buf, buf);
	    }
	}
      grub_ieee1275_close (ihandle);
      grub_free (buf);
      return;
    }

  if (!grub_ieee1275_test_flag (GRUB_IEEE1275_FLAG_NO_TREE_SCANNING_FOR_DISKS)
      && grub_strcmp (alias->type, "block") == 0)
    {
      dev_iterate_real (alias->path, alias->path);
      return;
    }

  {
    struct grub_ieee1275_devalias child;

    FOR_IEEE1275_DEVCHILDREN(alias->path, child)
      dev_iterate (&child);
  }
}
コード例 #22
0
ファイル: ofdisk.c プロジェクト: flihp/grub2
static void
dev_iterate (const struct grub_ieee1275_devalias *alias)
{
  if (grub_strcmp (alias->type, "vscsi") == 0)
    {
      static grub_ieee1275_ihandle_t ihandle;
      struct set_color_args
      {
	struct grub_ieee1275_common_hdr common;
	grub_ieee1275_cell_t method;
	grub_ieee1275_cell_t ihandle;
	grub_ieee1275_cell_t catch_result;
	grub_ieee1275_cell_t nentries;
	grub_ieee1275_cell_t table;
      }
      args;
      char *buf, *bufptr;
      unsigned i;

      if (grub_ieee1275_open (alias->path, &ihandle))
	return;

      /* This method doesn't need memory allocation for the table. Open
         firmware takes care of all memory management and the result table
         stays in memory and is never freed. */
      INIT_IEEE1275_COMMON (&args.common, "call-method", 2, 3);
      args.method = (grub_ieee1275_cell_t) "vscsi-report-luns";
      args.ihandle = ihandle;
      args.table = 0;
      args.nentries = 0;

      if (IEEE1275_CALL_ENTRY_FN (&args) == -1 || args.catch_result)
	{
	  grub_ieee1275_close (ihandle);
	  return;
	}

      buf = grub_malloc (grub_strlen (alias->path) + 32);
      if (!buf)
	return;
      bufptr = grub_stpcpy (buf, alias->path);

      for (i = 0; i < args.nentries; i++)
	{
	  grub_uint64_t *ptr;

	  ptr = *(grub_uint64_t **) (args.table + 4 + 8 * i);
	  while (*ptr)
	    {
	      grub_snprintf (bufptr, 32, "/disk@%" PRIxGRUB_UINT64_T, *ptr++);
	      dev_iterate_real (buf, buf);
	    }
	}
      grub_ieee1275_close (ihandle);
      grub_free (buf);
      return;
    }
  else if (grub_strcmp (alias->type, "sas_ioa") == 0)
    {
      /* The method returns the number of disks and a table where
       * each ID is 64-bit long. Example of sas paths:
       *  /pci@80000002000001f/pci1014,034A@0/sas/disk@c05db70800
       *  /pci@80000002000001f/pci1014,034A@0/sas/disk@a05db70800
       *  /pci@80000002000001f/pci1014,034A@0/sas/disk@805db70800 */

      struct sas_children
        {
          struct grub_ieee1275_common_hdr common;
          grub_ieee1275_cell_t method;
          grub_ieee1275_cell_t ihandle;
          grub_ieee1275_cell_t max;
          grub_ieee1275_cell_t table;
          grub_ieee1275_cell_t catch_result;
          grub_ieee1275_cell_t nentries;
        }
      args;
      char *buf, *bufptr;
      unsigned i;
      grub_uint64_t *table;
      grub_uint16_t table_size;
      grub_ieee1275_ihandle_t ihandle;

      buf = grub_malloc (grub_strlen (alias->path) +
                         sizeof ("/disk@7766554433221100"));
      if (!buf)
        return;
      bufptr = grub_stpcpy (buf, alias->path);

      /* Power machines documentation specify 672 as maximum SAS disks in
         one system. Using a slightly larger value to be safe. */
      table_size = 768;
      table = grub_malloc (table_size * sizeof (grub_uint64_t));

      if (!table)
        {
          grub_free (buf);
          return;
        }

      if (grub_ieee1275_open (alias->path, &ihandle))
        {
          grub_free (buf);
          grub_free (table);
          return;
        }

      INIT_IEEE1275_COMMON (&args.common, "call-method", 4, 2);
      args.method = (grub_ieee1275_cell_t) "get-sas-children";
      args.ihandle = ihandle;
      args.max = table_size;
      args.table = (grub_ieee1275_cell_t) table;
      args.catch_result = 0;
      args.nentries = 0;

      if (IEEE1275_CALL_ENTRY_FN (&args) == -1)
        {
          grub_ieee1275_close (ihandle);
          grub_free (table);
          grub_free (buf);
          return;
        }

      for (i = 0; i < args.nentries; i++)
        {
          grub_snprintf (bufptr, sizeof ("/disk@7766554433221100"),
                        "/disk@%" PRIxGRUB_UINT64_T, table[i]);
          dev_iterate_real (buf, buf);
        }

      grub_ieee1275_close (ihandle);
      grub_free (table);
      grub_free (buf);
    }

  if (!grub_ieee1275_test_flag (GRUB_IEEE1275_FLAG_NO_TREE_SCANNING_FOR_DISKS)
      && grub_strcmp (alias->type, "block") == 0)
    {
      dev_iterate_real (alias->path, alias->path);
      return;
    }

  {
    struct grub_ieee1275_devalias child;

    FOR_IEEE1275_DEVCHILDREN(alias->path, child)
      dev_iterate (&child);
  }
}
コード例 #23
0
ファイル: ofdisk.c プロジェクト: Arvian/GRUB2
static void
scan (void)
{
  auto int dev_iterate_real (const char *name, const char *path);

  int dev_iterate_real (const char *name, const char *path)
    {
      struct ofdisk_hash_ent *op;

      grub_dprintf ("disk", "disk name = %s, path = %s\n", name,
		    path);

      op = ofdisk_hash_find (path);
      if (!op)
	{
	  char *name_dup = grub_strdup (name);
	  char *can = grub_strdup (path);
	  if (!name_dup || !can)
	    {
	      grub_errno = GRUB_ERR_NONE;
	      grub_free (name_dup);
	      grub_free (can);
	      return 0;
	    }
	  op = ofdisk_hash_add (name_dup, can);
	}
      return 0;
    }

  auto int dev_iterate_alias (struct grub_ieee1275_devalias *alias);
  int dev_iterate_alias (struct grub_ieee1275_devalias *alias)
  {
    if (grub_strcmp (alias->type, "block") != 0)
      return 0;
    return dev_iterate_real (alias->name, alias->path);
  }

  auto int dev_iterate (struct grub_ieee1275_devalias *alias);
  int dev_iterate (struct grub_ieee1275_devalias *alias)
  {
    if (grub_strcmp (alias->type, "vscsi") == 0)
      {
	static grub_ieee1275_ihandle_t ihandle;
	struct set_color_args
	{
	  struct grub_ieee1275_common_hdr common;
	  grub_ieee1275_cell_t method;
	  grub_ieee1275_cell_t ihandle;
	  grub_ieee1275_cell_t catch_result;
	  grub_ieee1275_cell_t nentries;
	  grub_ieee1275_cell_t table;
	}
	args;
	char *buf, *bufptr;
	unsigned i;

	if (grub_ieee1275_open (alias->path, &ihandle))
	  return 0;
    
	INIT_IEEE1275_COMMON (&args.common, "call-method", 2, 3);
	args.method = (grub_ieee1275_cell_t) "vscsi-report-luns";
	args.ihandle = ihandle;
	args.table = 0;
	args.nentries = 0;

	if (IEEE1275_CALL_ENTRY_FN (&args) == -1)
	  {
	    grub_ieee1275_close (ihandle);
	    return 0;
	  }

	buf = grub_malloc (grub_strlen (alias->path) + 32);
	if (!buf)
	  return 0;
	bufptr = grub_stpcpy (buf, alias->path);

	for (i = 0; i < args.nentries; i++)
	  {
	    grub_uint64_t *ptr;

	    ptr = *(grub_uint64_t **) (args.table + 4 + 8 * i);
	    while (*ptr)
	      {
		grub_snprintf (bufptr, 32, "/disk@%" PRIxGRUB_UINT64_T, *ptr++);
		if (dev_iterate_real (buf, buf))
		  return 1;
	      }
	  }
	grub_ieee1275_close (ihandle);
	grub_free (buf);
	return 0;
      }

    if (!grub_ieee1275_test_flag (GRUB_IEEE1275_FLAG_NO_TREE_SCANNING_FOR_DISKS)
	&& grub_strcmp (alias->type, "block") == 0)
      return dev_iterate_real (alias->path, alias->path);

    return grub_children_iterate (alias->path, dev_iterate);
  }

  grub_devalias_iterate (dev_iterate_alias);
  grub_children_iterate ("/", dev_iterate);
}