Lines Matching +full:can +full:- +full:primary
7 as well as physical memory. It can perform several operations on data
25 the accompanying document, dax-hv-api.txt, which is a plain text
27 Specification" version 3.0.20+15, dated 2017-09-25.
64 domain (LDOM) can have a partition of physical memory that is isolated
69 The DAX coprocessor can only operate on physical memory, so before a
70 request can be fed to the coprocessor, all the addresses in a CCB must
86 made accessible via mmap(), and are read-only for the application.
105 name can be used to determine what the platform supports.
109 equal to the number of bytes given in the call. Otherwise -1 is
113 -----------
122 --------
129 --------
138 ---------------------------------------------
143 pwrite() system call. If -1 is returned then errno is set to indicate
155 ----
184 - open dax device
185 - call mmap() to get the completion area address
186 - allocate a CCB and fill in the opcode, flags, parameters, addresses, etc.
187 - submit CCB via write() or pwrite()
188 - go into a loop executing monitored load + monitored wait and
191 - perform a CCB_DEQUEUE
192 - call munmap() for completion area
193 - close the dax device
225 half of this 8Mb page can actually be used for any given buffer in a
233 -------------
234 A CCB is an array of 8 64-bit words. Several of these words provide
250 each of these fields, and see dax-hv-api.txt for a complete description
254 - CCB version, which must be consistent with hardware version
255 - Opcode, which must be one of the documented allowable commands
256 - Address types, which must be set to "virtual" for all the addresses
257 given by the user, thereby ensuring that the application can
265 can make hypercalls directly while the user code must use wrappers
290 64-byte aligned and its size must be a multiple of 64 bytes because
307 ccb->control = /* Table 36.1, CCB Header Format */
309 | (3L << 40) /* output address type = primary virtual */
310 | (3L << 34) /* primary input address type = primary virtual */
312 | (1 << 28) /* 36.2.1.1.1 primary input format = fixed width bit packed */
313 | (0 << 23) /* 36.2.1.1.2 primary input element size = 0 (1 bit) */
318 ccb->completion = 0; /* Completion area address, to be filled in by driver */
320 ccb->input0 = (unsigned long) input; /* primary input address */
322 ccb->access = /* Section 36.2.1.2, Data Access Control */
323 (2 << 24) /* Primary input length format = bits */
324 | (nbits - 1); /* number of bits in primary input stream, minus 1 */
326 ccb->input1 = 0; /* secondary input address, unused */
328 ccb->op_data = 0; /* scan criteria (value to be matched) */
330 ccb->output = (unsigned long) output; /* output address */
332 ccb->table = 0; /* table address, unused */
346 the contents of the completion area can be found in section 36.2.2 of
364 All other non-zero values indicate error conditions which are
373 notified that it can release any resources associated with the
386 --------------
394 ccb->control |= /* Table 36.1, CCB Header Format */
395 (3L << 32); /* completion area address type = primary virtual */
397 ccb->completion = (unsigned long) completion_area; /* Completion area address */
444 .. include:: dax-hv-api.txt