lib/vfs/vfs_blockdevfs_ahci.c

167     size_t aligned_bytes = bytes / PR_SIZE * PR_SIZE;
169     VFS_BLK_DEBUG("bdfs_ahci: read begin: %zu -> %zu\n", bytes, aligned_bytes);
173     err = ahci_dma_region_alloc(aligned_bytes, &bufregion);
187     sata_set_count(&read_fis, aligned_bytes / PR_SIZE); // nr. of sectors/blocks
198             (uint8_t*)&read_fis, sizeof(read_fis), false, bufregion, aligned_bytes);
216         ahci_dma_region_copy_out(bufregion, buffer, 0, aligned_bytes);
217         *bytes_read = aligned_bytes;
245     size_t aligned_bytes = bytes / PR_SIZE * PR_SIZE;
249     err = ahci_dma_region_alloc(aligned_bytes, &bufregion);
253     ahci_dma_region_copy_in(bufregion, buffer, 0, aligned_bytes);
261     sata_set_count(&write_fis, aligned_bytes / PR_SIZE); // nr. of sectors/blocks
271             (uint8_t*)&write_fis, sizeof(write_fis), true, bufregion, aligned_bytes);
287         *bytes_written = aligned_bytes;