#, fuzzy
msgid ""
msgstr ""
"Project-Id-Version: man-pages-l10n VERSION\n"
"POT-Creation-Date: 2014-07-17 17:57+0900\n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=UTF-8\n"
"Content-Transfer-Encoding: 8bit\n"

#. type: TH
#: man-pages/man7/spufs.7:27
#, no-wrap
msgid "SPUFS"
msgstr ""

#. type: TH
#: man-pages/man7/spufs.7:27
#, no-wrap
msgid "2007-12-20"
msgstr ""

#. type: TH
#: man-pages/man7/spufs.7:27
#, no-wrap
msgid "Linux"
msgstr ""

#. type: TH
#: man-pages/man7/spufs.7:27
#, no-wrap
msgid "Linux Programmer's Manual"
msgstr ""

#. type: SH
#: man-pages/man7/spufs.7:28
#, no-wrap
msgid "NAME"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:30
msgid "spufs - SPU filesystem"
msgstr ""

#. type: SH
#: man-pages/man7/spufs.7:30
#, no-wrap
msgid "DESCRIPTION"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:34
msgid ""
"The SPU filesystem is used on PowerPC machines that implement the Cell "
"Broadband Engine Architecture in order to access Synergistic Processor Units "
"(SPUs)."
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:43
msgid ""
"The filesystem provides a name space similar to POSIX shared memory or "
"message queues.  Users that have write permissions on the filesystem can use "
"B<spu_create>(2)  to establish SPU contexts under the B<spufs> root "
"directory."
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:50
msgid ""
"Every SPU context is represented by a directory containing a predefined set "
"of files.  These files can be used for manipulating the state of the logical "
"SPU.  Users can change permissions on the files, but can't add or remove "
"files."
msgstr ""

#. type: SS
#: man-pages/man7/spufs.7:50
#, no-wrap
msgid "Mount options"
msgstr ""

#. type: TP
#: man-pages/man7/spufs.7:51
#, no-wrap
msgid "B<uid=E<lt>uidE<gt>>"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:54
msgid "Set the user owning the mount point; the default is 0 (root)."
msgstr ""

#. type: TP
#: man-pages/man7/spufs.7:54
#, no-wrap
msgid "B<gid=E<lt>gidE<gt>>"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:57
msgid "Set the group owning the mount point; the default is 0 (root)."
msgstr ""

#. type: TP
#: man-pages/man7/spufs.7:57
#, no-wrap
msgid "B<mode=E<lt>modeE<gt>>"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:63
msgid ""
"Set the mode of the top-level directory in B<spufs>, as an octal mode string."
"  The default is 0775."
msgstr ""

#. type: SS
#: man-pages/man7/spufs.7:63
#, no-wrap
msgid "Files"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:75
msgid ""
"The files in B<spufs> mostly follow the standard behavior for regular system "
"calls like B<read>(2)  or B<write>(2), but often support only a subset of "
"the operations supported on regular filesystems.  This list details the "
"supported operations and the deviations from the standard behavior described "
"in the respective man pages."
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:97
msgid ""
"All files that support the B<read>(2)  operation also support B<readv>(2)  "
"and all files that support the B<write>(2)  operation also support "
"B<writev>(2).  All files support the B<access>(2)  and B<stat>(2)  family of "
"operations, but for the latter call, the only fields of the returned I<stat> "
"structure that contain reliable information are I<st_mode>, I<st_nlink>, "
"I<st_uid>, and I<st_gid>."
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:106
msgid ""
"All files support the B<chmod>(2)/B<fchmod>(2)  and B<chown>(2)/B<fchown>(2) "
" operations, but will not be able to grant permissions that contradict the "
"possible operations (e.g., read access on the I<wbox> file)."
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:108
msgid "The current set of files is:"
msgstr ""

#. type: TP
#: man-pages/man7/spufs.7:108
#, no-wrap
msgid "I</capabilities>"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:113
msgid ""
"Contains a comma-delimited string representing the capabilities of this SPU "
"context.  Possible capabilities are:"
msgstr ""

#. type: TP
#: man-pages/man7/spufs.7:114
#, no-wrap
msgid "B<sched>"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:117
msgid "This context may be scheduled."
msgstr ""

#. type: TP
#: man-pages/man7/spufs.7:117
#, no-wrap
msgid "B<step>"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:120
msgid "This context can be run in single-step mode, for debugging."
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:122
msgid "New capabilities flags may be added in the future."
msgstr ""

#. type: TP
#: man-pages/man7/spufs.7:123
#, no-wrap
msgid "I</mem>"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:132
msgid ""
"the contents of the local storage memory of the SPU.  This can be accessed "
"like a regular shared memory file and contains both code and data in the "
"address space of the SPU.  The possible operations on an open I<mem> file "
"are:"
msgstr ""

#. type: TP
#: man-pages/man7/spufs.7:133
#, no-wrap
msgid "B<read>(2), B<pread>(2), B<write>(2), B<pwrite>(2), B<lseek>(2)"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:144
msgid ""
"These operate as usual, with the exception that B<lseek>(2), B<write>(2), "
"and B<pwrite>(2)  are not supported beyond the end of the file.  The file "
"size is the size of the local storage of the SPU, which is normally 256 "
"kilobytes."
msgstr ""

#. type: TP
#: man-pages/man7/spufs.7:144 man-pages/man7/spufs.7:706 man-pages/man7/spufs.7:725
#, no-wrap
msgid "B<mmap>(2)"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:153
msgid ""
"Mapping I<mem> into the process address space provides access to the SPU "
"local storage within the process address space.  Only B<MAP_SHARED> mappings "
"are allowed."
msgstr ""

#. type: TP
#: man-pages/man7/spufs.7:154
#, no-wrap
msgid "I</regs>"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:161
msgid ""
"Contains the saved general-purpose registers of the SPU context.  This file "
"contains the 128-bit values of each register, from register 0 to register "
"127, in order.  This allows the general-purpose registers to be inspected "
"for debugging."
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:165
msgid ""
"Reading to or writing from this file requires that the context is scheduled "
"out, so use of this file is not recommended in normal program operation."
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:171
msgid ""
"The I<regs> file is not present on contexts that have been created with the "
"B<SPU_CREATE_NOSCHED> flag."
msgstr ""

#. type: TP
#: man-pages/man7/spufs.7:171
#, no-wrap
msgid "I</mbox>"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:181
msgid ""
"The first SPU-to-CPU communication mailbox.  This file is read-only and can "
"be read in units of 4 bytes.  The file can be used only in nonblocking mode -"
" even B<poll>(2)  cannot be used to block on this file.  The only possible "
"operation on an open I<mbox> file is:"
msgstr ""

#. type: TP
#: man-pages/man7/spufs.7:182 man-pages/man7/spufs.7:222 man-pages/man7/spufs.7:317 man-pages/man7/spufs.7:381 man-pages/man7/spufs.7:418 man-pages/man7/spufs.7:463 man-pages/man7/spufs.7:517 man-pages/man7/spufs.7:632 man-pages/man7/spufs.7:676 man-pages/man7/spufs.7:754
#, no-wrap
msgid "B<read>(2)"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:200
msgid ""
"If I<count> is smaller than four, B<read>(2)  returns -1 and sets I<errno> "
"to B<EINVAL>.  If there is no data available in the mailbox (i.e., the SPU "
"has not sent a mailbox message), the return value is set to -1 and I<errno> "
"is set to B<EAGAIN>.  When data has been read successfully, four bytes are "
"placed in the data buffer and the value four is returned."
msgstr ""

#. type: TP
#: man-pages/man7/spufs.7:201
#, no-wrap
msgid "I</ibox>"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:217
msgid ""
"The second SPU-to-CPU communication mailbox.  This file is similar to the "
"first mailbox file, but can be read in blocking I/O mode, thus calling "
"B<read>(2)  on an open I<ibox> file will block until the SPU has written "
"data to its interrupt mailbox channel (unless the file has been opened with "
"B<O_NONBLOCK>, see below).  Also, B<poll>(2)  and similar system calls can "
"be used to monitor for the presence of mailbox data."
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:221
msgid "The possible operations on an open I<ibox> file are:"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:239
msgid ""
"If I<count> is smaller than four, B<read>(2)  returns -1 and sets I<errno> "
"to B<EINVAL>.  If there is no data available in the mailbox and the file "
"descriptor has been opened with B<O_NONBLOCK>, the return value is set to -1 "
"and I<errno> is set to B<EAGAIN>."
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:247
msgid ""
"If there is no data available in the mailbox and the file descriptor has "
"been opened without B<O_NONBLOCK>, the call will block until the SPU writes "
"to its interrupt mailbox channel.  When data has been read successfully, "
"four bytes are placed in the data buffer and the value four is returned."
msgstr ""

#. type: TP
#: man-pages/man7/spufs.7:247 man-pages/man7/spufs.7:295 man-pages/man7/spufs.7:685
#, no-wrap
msgid "B<poll>(2)"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:254
msgid ""
"Poll on the I<ibox> file returns I<(POLLIN | POLLRDNORM)> whenever data is "
"available for reading."
msgstr ""

#. type: TP
#: man-pages/man7/spufs.7:255
#, no-wrap
msgid "I</wbox>"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:267
msgid ""
"The CPU-to-SPU communication mailbox.  It is write-only and can be written "
"in units of four bytes.  If the mailbox is full, B<write>(2)  will block, "
"and B<poll>(2)  can be used to block until the mailbox is available for "
"writing again.  The possible operations on an open I<wbox> file are:"
msgstr ""

#. type: TP
#: man-pages/man7/spufs.7:268 man-pages/man7/spufs.7:392 man-pages/man7/spufs.7:432 man-pages/man7/spufs.7:476 man-pages/man7/spufs.7:527 man-pages/man7/spufs.7:638 man-pages/man7/spufs.7:652 man-pages/man7/spufs.7:749
#, no-wrap
msgid "B<write>(2)"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:286
msgid ""
"If I<count> is smaller than four, B<write>(2)  returns -1 and sets I<errno> "
"to B<EINVAL>.  If there is no space available in the mailbox and the file "
"descriptor has been opened with B<O_NONBLOCK>, the return value is set to -1 "
"and I<errno> is set to B<EAGAIN>."
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:295
msgid ""
"If there is no space available in the mailbox and the file descriptor has "
"been opened without B<O_NONBLOCK>, the call will block until the SPU reads "
"from its PPE (PowerPC Processing Element)  mailbox channel.  When data has "
"been written successfully, the system call returns four as its function "
"result."
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:302
msgid ""
"A poll on the I<wbox> file returns I<(POLLOUT | POLLWRNORM)> whenever space "
"is available for writing."
msgstr ""

#. type: TP
#: man-pages/man7/spufs.7:303
#, no-wrap
msgid "I</mbox_stat>, I</ibox_stat>, I</wbox_stat>"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:316
msgid ""
"These are read-only files that contain the length of the current queue of "
"each mailbox\\(emthat is, how many words can be read from I<mbox> or I<ibox> "
"or how many words can be written to I<wbox> without blocking.  The files can "
"be read only in four-byte units and return a big-endian binary integer "
"number.  The only possible operation on an open I<*box_stat> file is:"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:337
msgid ""
"If I<count> is smaller than four, B<read>(2)  returns -1 and sets I<errno> "
"to B<EINVAL>.  Otherwise, a four-byte value is placed in the data buffer.  "
"This value is the number of elements that can be read from (for I<mbox_stat> "
"and I<ibox_stat>)  or written to (for I<wbox_stat>)  the respective mailbox "
"without blocking or returning an B<EAGAIN> error."
msgstr ""

#. type: TP
#: man-pages/man7/spufs.7:338
#, no-wrap
msgid ""
"I</npc>, I</decr>, I</decr_status>, I</spu_tag_mask>, I</event_mask>, I</"
"event_status>, I</srr0>, I</lslr>"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:350
msgid ""
"Internal registers of the SPU.  These files contain an ASCII string "
"representing the hex value of the specified register.  Reads and writes on "
"these files (except for I<npc>, see below) require that the SPU context be "
"scheduled out, so frequent access to these files is not recommended for "
"normal program operation."
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:352
msgid "The contents of these files are:"
msgstr ""

#. type: TP
#: man-pages/man7/spufs.7:353
#, no-wrap
msgid "I<npc>"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:356
msgid "Next Program Counter - valid only when the SPU is in a stopped state."
msgstr ""

#. type: TP
#: man-pages/man7/spufs.7:356
#, no-wrap
msgid "I<decr>"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:359
msgid "SPU Decrementer"
msgstr ""

#. type: TP
#: man-pages/man7/spufs.7:359
#, no-wrap
msgid "I<decr_status>"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:362
msgid "Decrementer Status"
msgstr ""

#. type: TP
#: man-pages/man7/spufs.7:362
#, no-wrap
msgid "I<spu_tag_mask>"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:365
msgid "MFC tag mask for SPU DMA"
msgstr ""

#. type: TP
#: man-pages/man7/spufs.7:365
#, no-wrap
msgid "I<event_mask>"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:368
msgid "Event mask for SPU interrupts"
msgstr ""

#. type: TP
#: man-pages/man7/spufs.7:368
#, no-wrap
msgid "I<event_status>"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:371
msgid "Number of SPU events pending (read-only)"
msgstr ""

#. type: TP
#: man-pages/man7/spufs.7:371
#, no-wrap
msgid "I<srr0>"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:374
msgid "Interrupt Return address register"
msgstr ""

#. type: TP
#: man-pages/man7/spufs.7:374
#, no-wrap
msgid "I<lslr>"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:377
msgid "Local Store Limit Register"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:380
msgid "The possible operations on these files are:"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:388
msgid ""
"Reads the current register value.  If the register value is larger than the "
"buffer passed to the B<read>(2)  system call, subsequent reads will continue "
"reading from the same buffer, until the end of the buffer is reached."
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:392
msgid ""
"When a complete string has been read, all subsequent read operations will "
"return zero bytes and a new file descriptor needs to be opened to read a new "
"value."
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:402 man-pages/man7/spufs.7:537
msgid ""
"A B<write>(2)  operation on the file sets the register to the value given in "
"the string.  The string is parsed from the beginning until the first "
"nonnumeric character or the end of the buffer.  Subsequent writes to the "
"same file descriptor overwrite the previous setting."
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:409
msgid ""
"Except for the I<npc> file, these files are not present on contexts that "
"have been created with the B<SPU_CREATE_NOSCHED> flag."
msgstr ""

#. type: TP
#: man-pages/man7/spufs.7:410
#, no-wrap
msgid "I</fpcr>"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:417
msgid ""
"This file provides access to the Floating Point Status and Control Register "
"(fcpr) as a binary, four-byte file.  The operations on the I<fpcr> file are:"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:432
msgid ""
"If I<count> is smaller than four, B<read>(2)  returns -1 and sets I<errno> "
"to B<EINVAL>.  Otherwise, a four-byte value is placed in the data buffer; "
"this is the current value of the I<fpcr> register."
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:446
msgid ""
"If I<count> is smaller than four, B<write>(2)  returns -1 and sets I<errno> "
"to B<EINVAL>.  Otherwise, a four-byte value is copied from the data buffer, "
"updating the value of the I<fpcr> register."
msgstr ""

#. type: TP
#: man-pages/man7/spufs.7:447
#, no-wrap
msgid "I</signal1>, I</signal2>"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:462
msgid ""
"The files provide access to the two signal notification channels of an SPU.  "
"These are read-write files that operate on four-byte words.  Writing to one "
"of these files triggers an interrupt on the SPU.  The value written to the "
"signal files can be read from the SPU through a channel read or from host "
"user space through the file.  After the value has been read by the SPU, it "
"is reset to zero.  The possible operations on an open I<signal1> or "
"I<signal2> file are:"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:476
msgid ""
"If I<count> is smaller than four, B<read>(2)  returns -1 and sets I<errno> "
"to B<EINVAL>.  Otherwise, a four-byte value is placed in the data buffer; "
"this is the current value of the specified signal notification register."
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:497
msgid ""
"If I<count> is smaller than four, B<write>(2)  returns -1 and sets I<errno> "
"to B<EINVAL>.  Otherwise, a four-byte value is copied from the data buffer, "
"updating the value of the specified signal notification register.  The "
"signal notification register will either be replaced with the input data or "
"will be updated to the bitwise OR operation of the old value and the input "
"data, depending on the contents of the I<signal1_type> or I<signal2_type> "
"files respectively."
msgstr ""

#. type: TP
#: man-pages/man7/spufs.7:498
#, no-wrap
msgid "I</signal1_type>, I</signal2_type>"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:516
msgid ""
"These two files change the behavior of the I<signal1> and I<signal2> "
"notification files.  They contain a numeric ASCII string which is read as "
"either \"1\" or \"0\".  In mode 0 (overwrite), the hardware replaces the "
"contents of the signal channel with the data that is written to it.  In mode "
"1 (logical OR), the hardware accumulates the bits that are subsequently "
"written to it.  The possible operations on an open I<signal1_type> or "
"I<signal2_type> file are:"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:527
msgid ""
"When the count supplied to the B<read>(2)  call is shorter than the required "
"length for the digit (plus a newline character), subsequent reads from the "
"same file descriptor will complete the string.  When a complete string has "
"been read, all subsequent read operations will return zero bytes and a new "
"file descriptor needs to be opened to read the value again."
msgstr ""

#. type: TP
#: man-pages/man7/spufs.7:538
#, no-wrap
msgid ""
"I</mbox_info>, I</ibox_info>, I</wbox_info>, I</dma_into>, I</proxydma_info>"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:557
msgid ""
"Read-only files that contain the saved state of the SPU mailboxes and DMA "
"queues.  This allows the SPU status to be inspected, mainly for debugging.  "
"The I<mbox_info> and I<ibox_info> files each contain the four-byte mailbox "
"message that has been written by the SPU.  If no message has been written to "
"these mailboxes, then contents of these files is undefined.  The "
"I<mbox_stat>, I<ibox_stat> and I<wbox_stat> files contain the available "
"message count."
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:566
msgid ""
"The I<wbox_info> file contains an array of four-byte mailbox messages, which "
"have been sent to the SPU.  With current CBEA machines, the array is four "
"items in length, so up to 4 * 4 = 16 bytes can be read from this file.  If "
"any mailbox queue entry is empty, then the bytes read at the corresponding "
"location are undefined."
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:571
msgid ""
"The I<dma_info> file contains the contents of the SPU MFC DMA queue, "
"represented as the following structure:"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:582
#, no-wrap
msgid ""
"struct spu_dma_info {\n"
"    uint64_t         dma_info_type;\n"
"    uint64_t         dma_info_mask;\n"
"    uint64_t         dma_info_status;\n"
"    uint64_t         dma_info_stall_and_notify;\n"
"    uint64_t         dma_info_atomic_command_status;\n"
"    struct mfc_cq_sr dma_info_command_data[16];\n"
"};\n"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:590
msgid ""
"The last member of this data structure is the actual DMA queue, containing "
"16 entries.  The I<mfc_cq_sr> structure is defined as:"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:599
#, no-wrap
msgid ""
"struct mfc_cq_sr {\n"
"    uint64_t mfc_cq_data0_RW;\n"
"    uint64_t mfc_cq_data1_RW;\n"
"    uint64_t mfc_cq_data2_RW;\n"
"    uint64_t mfc_cq_data3_RW;\n"
"};\n"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:607
msgid ""
"The I<proxydma_info> file contains similar information, but describes the "
"proxy DMA queue (i.e., DMAs initiated by entities outside the SPU) instead.  "
"The file is in the following format:"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:616
#, no-wrap
msgid ""
"struct spu_proxydma_info {\n"
"    uint64_t         proxydma_info_type;\n"
"    uint64_t         proxydma_info_mask;\n"
"    uint64_t         proxydma_info_status;\n"
"    struct mfc_cq_sr proxydma_info_command_data[8];\n"
"};\n"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:622
msgid ""
"Accessing these files requires that the SPU context is scheduled out - "
"frequent use can be inefficient.  These files should not be used for normal "
"program operation."
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:626
msgid ""
"These files are not present on contexts that have been created with the "
"B<SPU_CREATE_NOSCHED> flag."
msgstr ""

#. type: TP
#: man-pages/man7/spufs.7:626
#, no-wrap
msgid "I</cntl>"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:631
msgid ""
"This file provides access to the SPU Run Control and SPU status registers, "
"as an ASCII string.  The following operations are supported:"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:638
msgid ""
"Reads from the I<cntl> file will return an ASCII string with the hex value "
"of the SPU Status register."
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:643
msgid ""
"Writes to the I<cntl> file will set the context's SPU Run Control register."
msgstr ""

#. type: TP
#: man-pages/man7/spufs.7:644
#, no-wrap
msgid "I</mfc>"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:651
msgid ""
"Provides access to the Memory Flow Controller of the SPU.  Reading from the "
"file returns the contents of the SPU's MFC Tag Status register, and writing "
"to the file initiates a DMA from the MFC.  The following operations are "
"supported:"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:656
msgid ""
"Writes to this file need to be in the format of a MFC DMA command, defined "
"as follows:"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:668
#, no-wrap
msgid ""
"struct mfc_dma_command {\n"
"    int32_t  pad;    /* reserved */\n"
"    uint32_t lsa;    /* local storage address */\n"
"    uint64_t ea;     /* effective address */\n"
"    uint16_t size;   /* transfer size */\n"
"    uint16_t tag;    /* command tag */\n"
"    uint16_t class;  /* class ID */\n"
"    uint16_t cmd;    /* command opcode */\n"
"};\n"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:676
msgid ""
"Writes are required to be exactly I<sizeof(struct mfc_dma_command)> bytes in "
"size.  The command will be sent to the SPU's MFC proxy queue, and the tag "
"stored in the kernel (see below)."
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:685
msgid ""
"Reads the contents of the tag status register.  If the file is opened in "
"blocking mode (i.e., without B<O_NONBLOCK>), then the read will block until "
"a DMA tag (as performed by a previous write) is complete.  In nonblocking "
"mode, the MFC tag status register will be returned without waiting."
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:698
msgid ""
"Calling B<poll>(2)  on the I<mfc> file will block until a new DMA can be "
"started (by checking for B<POLLOUT>)  or until a previously started DMA (by "
"checking for B<POLLIN>)  has been completed."
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:704
msgid ""
"I</mss> Provides access to the MFC MultiSource Synchronization (MSS) "
"facility.  By B<mmap>(2)-ing this file, processes can access the MSS area of "
"the SPU."
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:706 man-pages/man7/spufs.7:724
msgid "The following operations are supported:"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:715
msgid ""
"Mapping B<mss> into the process address space gives access to the SPU MSS "
"area within the process address space.  Only B<MAP_SHARED> mappings are "
"allowed."
msgstr ""

#. type: TP
#: man-pages/man7/spufs.7:716
#, no-wrap
msgid "I</psmap>"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:722
msgid ""
"Provides access to the whole problem-state mapping of the SPU.  Applications "
"can use this area to interface to the SPU, rather than writing to individual "
"register files in B<spufs>."
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:733
msgid ""
"Mapping B<psmap> gives a process a direct map of the SPU problem state area. "
" Only B<MAP_SHARED> mappings are supported."
msgstr ""

#. type: TP
#: man-pages/man7/spufs.7:734
#, no-wrap
msgid "I</phys-id>"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:740
msgid ""
"Read-only file containing the physical SPU number that the SPU context is "
"running on.  When the context is not running, this file contains the string "
"\"-1\"."
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:742
msgid "The physical SPU number is given by an ASCII hex string."
msgstr ""

#. type: TP
#: man-pages/man7/spufs.7:742
#, no-wrap
msgid "I</object-id>"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:748
msgid ""
"Allows applications to store (or retrieve) a single 64-bit ID into the "
"context.  This ID is later used by profiling tools to uniquely identify the "
"context."
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:754
msgid ""
"By writing an ASCII hex value into this file, applications can set the "
"object ID of the SPU context.  Any previous value of the object ID is "
"overwritten."
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:758
msgid ""
"Reading this file gives an ASCII hex string representing the object ID for "
"this SPU context."
msgstr ""

#. type: SH
#: man-pages/man7/spufs.7:759
#, no-wrap
msgid "EXAMPLE"
msgstr ""

#. type: TP
#: man-pages/man7/spufs.7:760
#, no-wrap
msgid "I</etc/fstab>  entry"
msgstr ""

#.  .SH AUTHORS
#.  Arnd Bergmann <arndb@de.ibm.com>, Mark Nutter <mnutter@us.ibm.com>,
#.  Ulrich Weigand <Ulrich.Weigand@de.ibm.com>, Jeremy Kerr <jk@ozlabs.org>
#. type: Plain text
#: man-pages/man7/spufs.7:766
msgid "none 	/spu 	spufs 	gid=spu 	0	0"
msgstr ""

#. type: SH
#: man-pages/man7/spufs.7:766
#, no-wrap
msgid "SEE ALSO"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:771
msgid "B<close>(2), B<spu_create>(2), B<spu_run>(2), B<capabilities>(7)"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:773
msgid "I<The Cell Broadband Engine Architecture (CBEA) specification>"
msgstr ""

#. type: SH
#: man-pages/man7/spufs.7:773
#, no-wrap
msgid "COLOPHON"
msgstr ""

#. type: Plain text
#: man-pages/man7/spufs.7:781
msgid ""
"This page is part of release 3.70 of the Linux I<man-pages> project.  A "
"description of the project, information about reporting bugs, and the latest "
"version of this page, can be found at \\%http://www.kernel.org/doc/man-pages/"
"."
msgstr ""