* Create DMA mapping descriptor from other descriptor. */

* Build chain of PRP lists. * Returns the total number of PRP entries. */

* Reset the controller manually. * We deliberately use the pointers from the user-handle, in case the user * overrides them somehow. */

* Unmap controller memory and close file descriptor. */

* Helper function to remove all server handles. * Lock must be held when calling this. */

* Call release callback and free container. * NB! unmap (if map was successful) must be called * before calling this function. */

* Initialize element. */

Calculate the base-2 logarithm of a number n */

Debug printf */

* Bind reference to remote handle. */

Cleanup action to free the sg_table's internal scatterlist */

Use runtime page size -- must match kernel PAGE_SIZE for ioctl contract. * Thread-safe initialization via C++11 function-local static. */

* Call kernel module ioctl and map memory for DMA. */

* Call kernel module ioctl and unmap memory. */

* Helper function to build a PRP list and set a command's data pointer fields. * Number of pages should always be max_data_size (MDTS) for IO command

* Create DMA mapping descriptor from user supplied physical/bus addresses. */

* Helper function to remove an admin descriptor. */

* move_notify callback -- called by the exporter if it needs to move the buffer. * With dma_buf_pin() held for the mapping lifetime, the exporter can