tag | line | file | source code |
STp | 155 | drivers/scsi/st.c | Scsi_Tape * STp; |
STp | 158 | drivers/scsi/st.c | STp = &(scsi_tapes[st_nbr]); |
STp | 159 | drivers/scsi/st.c | if ((STp->buffer)->writing && |
STp | 171 | drivers/scsi/st.c | (STp->buffer)->last_result = SCpnt->result; /* Error */ |
STp | 173 | drivers/scsi/st.c | (STp->buffer)->last_result = INT_MAX; /* OK */ |
STp | 176 | drivers/scsi/st.c | (STp->buffer)->last_result = SCpnt->result; |
STp | 177 | drivers/scsi/st.c | (STp->buffer)->last_result_fatal = st_chk_result(SCpnt); |
STp | 178 | drivers/scsi/st.c | if ((STp->buffer)->writing) |
STp | 182 | drivers/scsi/st.c | if ((STp->buffer)->writing <= 0) |
STp | 183 | drivers/scsi/st.c | wake_up( &(STp->waiting) ); |
STp | 196 | drivers/scsi/st.c | Scsi_Tape * STp; |
STp | 199 | drivers/scsi/st.c | STp = &(scsi_tapes[dev]); |
STp | 200 | drivers/scsi/st.c | STbuffer = STp->buffer; |
STp | 205 | drivers/scsi/st.c | sleep_on( &(STp->waiting) ); |
STp | 215 | drivers/scsi/st.c | if (STp->drv_block >= 0) { |
STp | 216 | drivers/scsi/st.c | if (STp->block_size == 0) |
STp | 217 | drivers/scsi/st.c | STp->drv_block++; |
STp | 219 | drivers/scsi/st.c | STp->drv_block += STbuffer->writing / STp->block_size; |
STp | 233 | drivers/scsi/st.c | Scsi_Tape *STp = &(scsi_tapes[dev]); |
STp | 241 | drivers/scsi/st.c | SCpnt = allocate_device(NULL, STp->device, 1); |
STp | 245 | drivers/scsi/st.c | (void *) cmd, (void *) (STp->buffer)->b_data, 0, |
STp | 248 | drivers/scsi/st.c | if (SCpnt->request.dev == dev) sleep_on( &(STp->waiting) ); |
STp | 250 | drivers/scsi/st.c | if ((STp->buffer)->last_result != 0) { |
STp | 252 | drivers/scsi/st.c | (STp->mt_status)->mt_fileno += 1; |
STp | 253 | drivers/scsi/st.c | (STp->mt_status)->mt_blkno = 0; |
STp | 256 | drivers/scsi/st.c | return (STp->buffer)->last_result_fatal; |
STp | 268 | drivers/scsi/st.c | Scsi_Tape *STp = &(scsi_tapes[dev]); |
STp | 270 | drivers/scsi/st.c | if ((STp->buffer)->writing) { |
STp | 272 | drivers/scsi/st.c | if ((STp->buffer)->last_result_fatal) { |
STp | 276 | drivers/scsi/st.c | (STp->buffer)->last_result); |
STp | 278 | drivers/scsi/st.c | if ((STp->buffer)->last_result == INT_MAX) |
STp | 285 | drivers/scsi/st.c | if (STp->dirty == 1) { |
STp | 286 | drivers/scsi/st.c | SCpnt = allocate_device(NULL, STp->device, 1); |
STp | 288 | drivers/scsi/st.c | offset = (STp->buffer)->buffer_bytes; |
STp | 289 | drivers/scsi/st.c | transfer = ((offset + STp->block_size - 1) / |
STp | 290 | drivers/scsi/st.c | STp->block_size) * STp->block_size; |
STp | 295 | drivers/scsi/st.c | memset((STp->buffer)->b_data + offset, 0, transfer - offset); |
STp | 301 | drivers/scsi/st.c | blks = transfer / STp->block_size; |
STp | 307 | drivers/scsi/st.c | (void *) cmd, (STp->buffer)->b_data, transfer, |
STp | 310 | drivers/scsi/st.c | if (SCpnt->request.dev == dev) sleep_on( &(STp->waiting) ); |
STp | 312 | drivers/scsi/st.c | if ((STp->buffer)->last_result_fatal != 0) { |
STp | 317 | drivers/scsi/st.c | STp->dirty = 0; |
STp | 318 | drivers/scsi/st.c | (STp->buffer)->buffer_bytes = 0; |
STp | 323 | drivers/scsi/st.c | STp->drv_block = (-1); |
STp | 326 | drivers/scsi/st.c | if (STp->drv_block >= 0) |
STp | 327 | drivers/scsi/st.c | STp->drv_block += blks; |
STp | 328 | drivers/scsi/st.c | STp->dirty = 0; |
STp | 329 | drivers/scsi/st.c | (STp->buffer)->buffer_bytes = 0; |
STp | 344 | drivers/scsi/st.c | Scsi_Tape * STp; |
STp | 348 | drivers/scsi/st.c | STp = &(scsi_tapes[dev]); |
STp | 349 | drivers/scsi/st.c | STbuffer = STp->buffer; |
STp | 351 | drivers/scsi/st.c | if (STp->ready != ST_READY) |
STp | 354 | drivers/scsi/st.c | if (STp->rw == ST_WRITING) /* Writing */ |
STp | 357 | drivers/scsi/st.c | if (STp->block_size == 0) |
STp | 360 | drivers/scsi/st.c | backspace = ((STp->buffer)->buffer_bytes + |
STp | 361 | drivers/scsi/st.c | (STp->buffer)->read_pointer) / STp->block_size - |
STp | 362 | drivers/scsi/st.c | ((STp->buffer)->read_pointer + STp->block_size - 1) / |
STp | 363 | drivers/scsi/st.c | STp->block_size; |
STp | 364 | drivers/scsi/st.c | (STp->buffer)->buffer_bytes = 0; |
STp | 365 | drivers/scsi/st.c | (STp->buffer)->read_pointer = 0; |
STp | 368 | drivers/scsi/st.c | if ((STp->eof == ST_FM) && !STp->eof_hit) { |
STp | 371 | drivers/scsi/st.c | STp->eof = ST_NOEOF; |
STp | 372 | drivers/scsi/st.c | STp->eof_hit = 0; |
STp | 392 | drivers/scsi/st.c | Scsi_Tape * STp; |
STp | 397 | drivers/scsi/st.c | STp = &(scsi_tapes[dev]); |
STp | 398 | drivers/scsi/st.c | if (STp->in_use) { |
STp | 411 | drivers/scsi/st.c | STp->buffer = st_buffers[i]; |
STp | 412 | drivers/scsi/st.c | (STp->buffer)->in_use = 1; |
STp | 413 | drivers/scsi/st.c | (STp->buffer)->writing = 0; |
STp | 414 | drivers/scsi/st.c | STp->in_use = 1; |
STp | 417 | drivers/scsi/st.c | STp->write_prot = ((flags & O_ACCMODE) == O_RDONLY); |
STp | 419 | drivers/scsi/st.c | STp->dirty = 0; |
STp | 420 | drivers/scsi/st.c | STp->rw = ST_IDLE; |
STp | 421 | drivers/scsi/st.c | STp->ready = ST_READY; |
STp | 422 | drivers/scsi/st.c | if (STp->eof != ST_EOD) /* Save EOD across opens */ |
STp | 423 | drivers/scsi/st.c | STp->eof = ST_NOEOF; |
STp | 424 | drivers/scsi/st.c | STp->eof_hit = 0; |
STp | 425 | drivers/scsi/st.c | STp->recover_count = 0; |
STp | 427 | drivers/scsi/st.c | SCpnt = allocate_device(NULL, STp->device, 1); |
STp | 438 | drivers/scsi/st.c | (void *) cmd, (void *) (STp->buffer)->b_data, |
STp | 442 | drivers/scsi/st.c | if (SCpnt->request.dev == dev) sleep_on( &(STp->waiting) ); |
STp | 446 | drivers/scsi/st.c | (STp->mt_status)->mt_fileno = 0 ; |
STp | 452 | drivers/scsi/st.c | (void *) cmd, (void *) (STp->buffer)->b_data, |
STp | 456 | drivers/scsi/st.c | if (SCpnt->request.dev == dev) sleep_on( &(STp->waiting) ); |
STp | 457 | drivers/scsi/st.c | (STp->mt_status)->mt_fileno = STp->drv_block = 0; |
STp | 458 | drivers/scsi/st.c | STp->eof = ST_NOEOF; |
STp | 461 | drivers/scsi/st.c | if ((STp->buffer)->last_result_fatal != 0) { |
STp | 464 | drivers/scsi/st.c | (STp->mt_status)->mt_fileno = STp->drv_block = 0 ; |
STp | 466 | drivers/scsi/st.c | STp->ready = ST_NO_TAPE; |
STp | 469 | drivers/scsi/st.c | (STp->mt_status)->mt_fileno = STp->drv_block = (-1); |
STp | 470 | drivers/scsi/st.c | STp->ready = ST_NOT_READY; |
STp | 473 | drivers/scsi/st.c | (STp->buffer)->in_use = 0; |
STp | 474 | drivers/scsi/st.c | STp->buffer = NULL; |
STp | 475 | drivers/scsi/st.c | STp->density = 0; /* Clear the erroneous "residue" */ |
STp | 476 | drivers/scsi/st.c | STp->write_prot = 0; |
STp | 477 | drivers/scsi/st.c | STp->block_size = 0; |
STp | 478 | drivers/scsi/st.c | STp->eof = ST_NOEOF; |
STp | 479 | drivers/scsi/st.c | (STp->mt_status)->mt_fileno = STp->drv_block = 0; |
STp | 488 | drivers/scsi/st.c | (void *) cmd, (void *) (STp->buffer)->b_data, |
STp | 491 | drivers/scsi/st.c | if (SCpnt->request.dev == dev) sleep_on( &(STp->waiting) ); |
STp | 494 | drivers/scsi/st.c | STp->max_block = ((STp->buffer)->b_data[1] << 16) | |
STp | 495 | drivers/scsi/st.c | ((STp->buffer)->b_data[2] << 8) | (STp->buffer)->b_data[3]; |
STp | 496 | drivers/scsi/st.c | STp->min_block = ((STp->buffer)->b_data[4] << 8) | |
STp | 497 | drivers/scsi/st.c | (STp->buffer)->b_data[5]; |
STp | 500 | drivers/scsi/st.c | printk("st%d: Block limits %d - %d bytes.\n", dev, STp->min_block, |
STp | 501 | drivers/scsi/st.c | STp->max_block); |
STp | 505 | drivers/scsi/st.c | STp->min_block = STp->max_block = (-1); |
STp | 518 | drivers/scsi/st.c | (void *) cmd, (void *) (STp->buffer)->b_data, |
STp | 521 | drivers/scsi/st.c | if (SCpnt->request.dev == dev) sleep_on( &(STp->waiting) ); |
STp | 523 | drivers/scsi/st.c | if ((STp->buffer)->last_result_fatal != 0) { |
STp | 528 | drivers/scsi/st.c | (STp->buffer)->b_data[2] = |
STp | 529 | drivers/scsi/st.c | (STp->buffer)->b_data[3] = 0; |
STp | 536 | drivers/scsi/st.c | (STp->buffer)->b_data[0], (STp->buffer)->b_data[1], |
STp | 537 | drivers/scsi/st.c | (STp->buffer)->b_data[2], (STp->buffer)->b_data[3]); |
STp | 540 | drivers/scsi/st.c | if ((STp->buffer)->b_data[3] >= 8) { |
STp | 541 | drivers/scsi/st.c | STp->drv_buffer = ((STp->buffer)->b_data[2] >> 4) & 7; |
STp | 542 | drivers/scsi/st.c | STp->density = (STp->buffer)->b_data[4]; |
STp | 543 | drivers/scsi/st.c | STp->block_size = (STp->buffer)->b_data[9] * 65536 + |
STp | 544 | drivers/scsi/st.c | (STp->buffer)->b_data[10] * 256 + (STp->buffer)->b_data[11]; |
STp | 548 | drivers/scsi/st.c | dev, STp->density, (STp->buffer)->b_data[5] * 65536 + |
STp | 549 | drivers/scsi/st.c | (STp->buffer)->b_data[6] * 256 + (STp->buffer)->b_data[7], |
STp | 550 | drivers/scsi/st.c | STp->drv_buffer); |
STp | 552 | drivers/scsi/st.c | if (STp->block_size > st_buffer_size) { |
STp | 554 | drivers/scsi/st.c | STp->block_size); |
STp | 555 | drivers/scsi/st.c | (STp->buffer)->in_use = 0; |
STp | 556 | drivers/scsi/st.c | STp->in_use = 0; |
STp | 562 | drivers/scsi/st.c | STp->block_size = 512; /* "Educated Guess" (?) */ |
STp | 564 | drivers/scsi/st.c | if (STp->block_size > 0) { |
STp | 565 | drivers/scsi/st.c | (STp->buffer)->buffer_blocks = st_buffer_size / STp->block_size; |
STp | 566 | drivers/scsi/st.c | (STp->buffer)->buffer_size = |
STp | 567 | drivers/scsi/st.c | (STp->buffer)->buffer_blocks * STp->block_size; |
STp | 570 | drivers/scsi/st.c | (STp->buffer)->buffer_blocks = 1; |
STp | 571 | drivers/scsi/st.c | (STp->buffer)->buffer_size = st_buffer_size; |
STp | 573 | drivers/scsi/st.c | (STp->buffer)->buffer_bytes = (STp->buffer)->read_pointer = 0; |
STp | 578 | drivers/scsi/st.c | STp->block_size, (STp->buffer)->buffer_size, |
STp | 579 | drivers/scsi/st.c | (STp->buffer)->buffer_blocks); |
STp | 582 | drivers/scsi/st.c | STp->drv_write_prot = ((STp->buffer)->b_data[2] & 0x80) != 0; |
STp | 583 | drivers/scsi/st.c | if (STp->drv_write_prot) { |
STp | 584 | drivers/scsi/st.c | STp->write_prot = 1; |
STp | 604 | drivers/scsi/st.c | Scsi_Tape * STp; |
STp | 609 | drivers/scsi/st.c | STp = &(scsi_tapes[dev]); |
STp | 611 | drivers/scsi/st.c | if ( STp->rw == ST_WRITING) { |
STp | 621 | drivers/scsi/st.c | SCpnt = allocate_device(NULL, STp->device, 1); |
STp | 626 | drivers/scsi/st.c | cmd[4] = 1 + STp->two_fm; |
STp | 629 | drivers/scsi/st.c | (void *) cmd, (void *) (STp->buffer)->b_data, |
STp | 632 | drivers/scsi/st.c | if (SCpnt->request.dev == dev) sleep_on( &(STp->waiting) ); |
STp | 634 | drivers/scsi/st.c | if ((STp->buffer)->last_result_fatal != 0) { |
STp | 640 | drivers/scsi/st.c | (STp->mt_status)->mt_fileno++ ; |
STp | 641 | drivers/scsi/st.c | STp->drv_block = 0; |
STp | 642 | drivers/scsi/st.c | if (STp->two_fm) |
STp | 655 | drivers/scsi/st.c | if ((STp->eof == ST_FM) && !STp->eof_hit) |
STp | 665 | drivers/scsi/st.c | if (STp->buffer != NULL) |
STp | 666 | drivers/scsi/st.c | (STp->buffer)->in_use = 0; |
STp | 667 | drivers/scsi/st.c | STp->in_use = 0; |
STp | 683 | drivers/scsi/st.c | Scsi_Tape * STp; |
STp | 686 | drivers/scsi/st.c | STp = &(scsi_tapes[dev]); |
STp | 687 | drivers/scsi/st.c | if (STp->ready != ST_READY) |
STp | 690 | drivers/scsi/st.c | if (!STp->in_use) { |
STp | 696 | drivers/scsi/st.c | if (STp->write_prot) |
STp | 699 | drivers/scsi/st.c | if (STp->block_size == 0 && count > st_buffer_size) |
STp | 702 | drivers/scsi/st.c | if (STp->rw == ST_READING) { |
STp | 706 | drivers/scsi/st.c | STp->rw = ST_WRITING; |
STp | 709 | drivers/scsi/st.c | if (STp->moves_after_eof < 255) |
STp | 710 | drivers/scsi/st.c | STp->moves_after_eof++; |
STp | 712 | drivers/scsi/st.c | if ((STp->buffer)->writing) { |
STp | 714 | drivers/scsi/st.c | if ((STp->buffer)->last_result_fatal) { |
STp | 718 | drivers/scsi/st.c | (STp->buffer)->last_result); |
STp | 720 | drivers/scsi/st.c | if ((STp->buffer)->last_result == INT_MAX) { |
STp | 722 | drivers/scsi/st.c | STp->eof = ST_EOM_OK; |
STp | 730 | drivers/scsi/st.c | if (STp->eof == ST_EOM_OK) |
STp | 732 | drivers/scsi/st.c | else if (STp->eof == ST_EOM_ERROR) |
STp | 735 | drivers/scsi/st.c | if (!STp->do_buffer_writes) { |
STp | 736 | drivers/scsi/st.c | if (STp->block_size != 0 && (count % STp->block_size) != 0) |
STp | 741 | drivers/scsi/st.c | write_threshold = (STp->buffer)->buffer_size; |
STp | 742 | drivers/scsi/st.c | if (!STp->do_async_writes) |
STp | 745 | drivers/scsi/st.c | SCpnt = allocate_device(NULL, STp->device, 1); |
STp | 751 | drivers/scsi/st.c | cmd[1] = (STp->block_size != 0); |
STp | 753 | drivers/scsi/st.c | STp->rw = ST_WRITING; |
STp | 756 | drivers/scsi/st.c | while((STp->block_size == 0 && !STp->do_async_writes && count > 0) || |
STp | 757 | drivers/scsi/st.c | (STp->block_size != 0 && |
STp | 758 | drivers/scsi/st.c | (STp->buffer)->buffer_bytes + count > write_threshold)) |
STp | 760 | drivers/scsi/st.c | if (STp->block_size == 0) |
STp | 763 | drivers/scsi/st.c | do_count = (STp->buffer)->buffer_size - (STp->buffer)->buffer_bytes; |
STp | 767 | drivers/scsi/st.c | memcpy_fromfs((STp->buffer)->b_data + |
STp | 768 | drivers/scsi/st.c | (STp->buffer)->buffer_bytes, b_point, do_count); |
STp | 770 | drivers/scsi/st.c | if (STp->block_size == 0) |
STp | 773 | drivers/scsi/st.c | blks = ((STp->buffer)->buffer_bytes + do_count) / |
STp | 774 | drivers/scsi/st.c | STp->block_size; |
STp | 775 | drivers/scsi/st.c | transfer = blks * STp->block_size; |
STp | 783 | drivers/scsi/st.c | (void *) cmd, (STp->buffer)->b_data, transfer, |
STp | 786 | drivers/scsi/st.c | if (SCpnt->request.dev == dev) sleep_on( &(STp->waiting) ); |
STp | 788 | drivers/scsi/st.c | if ((STp->buffer)->last_result_fatal != 0) { |
STp | 795 | drivers/scsi/st.c | if (STp->block_size != 0 && (SCpnt->sense_buffer[0] & 0x80) != 0) |
STp | 799 | drivers/scsi/st.c | else if (STp->block_size == 0 && |
STp | 804 | drivers/scsi/st.c | if (STp->block_size != 0) |
STp | 805 | drivers/scsi/st.c | transfer *= STp->block_size; |
STp | 809 | drivers/scsi/st.c | if (STp->drv_block >= 0) { |
STp | 810 | drivers/scsi/st.c | if (STp->block_size == 0 && transfer < do_count) |
STp | 811 | drivers/scsi/st.c | STp->drv_block++; |
STp | 812 | drivers/scsi/st.c | else if (STp->block_size != 0) |
STp | 813 | drivers/scsi/st.c | STp->drv_block += (do_count - transfer) / STp->block_size; |
STp | 815 | drivers/scsi/st.c | STp->eof = ST_EOM_OK; |
STp | 824 | drivers/scsi/st.c | STp->eof = ST_EOM_ERROR; |
STp | 825 | drivers/scsi/st.c | STp->drv_block = (-1); /* Too cautious? */ |
STp | 834 | drivers/scsi/st.c | STp->drv_block = (-1); /* Too cautious? */ |
STp | 839 | drivers/scsi/st.c | (STp->buffer)->buffer_bytes = 0; |
STp | 840 | drivers/scsi/st.c | STp->dirty = 0; |
STp | 849 | drivers/scsi/st.c | if (STp->drv_block >= 0) { |
STp | 850 | drivers/scsi/st.c | if (STp->block_size == 0) |
STp | 851 | drivers/scsi/st.c | STp->drv_block++; |
STp | 853 | drivers/scsi/st.c | STp->drv_block += blks; |
STp | 855 | drivers/scsi/st.c | (STp->buffer)->buffer_bytes = 0; |
STp | 856 | drivers/scsi/st.c | STp->dirty = 0; |
STp | 859 | drivers/scsi/st.c | STp->dirty = 1; |
STp | 860 | drivers/scsi/st.c | memcpy_fromfs((STp->buffer)->b_data + |
STp | 861 | drivers/scsi/st.c | (STp->buffer)->buffer_bytes,b_point,count); |
STp | 863 | drivers/scsi/st.c | (STp->buffer)->buffer_bytes += count; |
STp | 867 | drivers/scsi/st.c | if ((STp->buffer)->last_result_fatal != 0) { |
STp | 869 | drivers/scsi/st.c | return (STp->buffer)->last_result_fatal; |
STp | 872 | drivers/scsi/st.c | if (STp->do_async_writes && |
STp | 873 | drivers/scsi/st.c | ((STp->buffer)->buffer_bytes >= STp->write_threshold || |
STp | 874 | drivers/scsi/st.c | STp->block_size == 0) ) { |
STp | 876 | drivers/scsi/st.c | if (STp->block_size == 0) |
STp | 877 | drivers/scsi/st.c | (STp->buffer)->writing = (STp->buffer)->buffer_bytes; |
STp | 879 | drivers/scsi/st.c | (STp->buffer)->writing = ((STp->buffer)->buffer_bytes / |
STp | 880 | drivers/scsi/st.c | STp->block_size) * STp->block_size; |
STp | 881 | drivers/scsi/st.c | STp->dirty = 0; |
STp | 883 | drivers/scsi/st.c | if (STp->block_size == 0) |
STp | 884 | drivers/scsi/st.c | blks = (STp->buffer)->writing; |
STp | 886 | drivers/scsi/st.c | blks = (STp->buffer)->writing / STp->block_size; |
STp | 890 | drivers/scsi/st.c | SCpnt->result = (STp->buffer)->last_result = -1; |
STp | 894 | drivers/scsi/st.c | (void *) cmd, (STp->buffer)->b_data, |
STp | 895 | drivers/scsi/st.c | (STp->buffer)->writing, |
STp | 901 | drivers/scsi/st.c | STp->at_sm &= (total != 0); |
STp | 915 | drivers/scsi/st.c | Scsi_Tape * STp; |
STp | 918 | drivers/scsi/st.c | STp = &(scsi_tapes[dev]); |
STp | 919 | drivers/scsi/st.c | if (STp->ready != ST_READY) |
STp | 922 | drivers/scsi/st.c | if (!STp->in_use) { |
STp | 928 | drivers/scsi/st.c | if (STp->block_size == 0 && count > st_buffer_size) |
STp | 931 | drivers/scsi/st.c | if (!(STp->do_read_ahead) && STp->block_size != 0 && |
STp | 932 | drivers/scsi/st.c | (count % STp->block_size) != 0) |
STp | 935 | drivers/scsi/st.c | if (STp->rw == ST_WRITING) { |
STp | 939 | drivers/scsi/st.c | STp->rw = ST_READING; |
STp | 941 | drivers/scsi/st.c | if (STp->moves_after_eof < 255) |
STp | 942 | drivers/scsi/st.c | STp->moves_after_eof++; |
STp | 945 | drivers/scsi/st.c | if (debugging && STp->eof != ST_NOEOF) |
STp | 947 | drivers/scsi/st.c | (STp->buffer)->buffer_bytes); |
STp | 949 | drivers/scsi/st.c | if (((STp->buffer)->buffer_bytes == 0) && |
STp | 950 | drivers/scsi/st.c | (STp->eof == ST_EOM_OK || STp->eof == ST_EOD)) |
STp | 953 | drivers/scsi/st.c | STp->rw = ST_READING; |
STp | 955 | drivers/scsi/st.c | SCpnt = allocate_device(NULL, STp->device, 1); |
STp | 959 | drivers/scsi/st.c | if ((STp->buffer)->buffer_bytes == 0 && |
STp | 960 | drivers/scsi/st.c | STp->eof == ST_NOEOF) { |
STp | 964 | drivers/scsi/st.c | cmd[1] = (STp->block_size != 0); |
STp | 965 | drivers/scsi/st.c | if (STp->block_size == 0) |
STp | 968 | drivers/scsi/st.c | if (STp->do_read_ahead) { |
STp | 969 | drivers/scsi/st.c | blks = (STp->buffer)->buffer_blocks; |
STp | 970 | drivers/scsi/st.c | bytes = blks * STp->block_size; |
STp | 976 | drivers/scsi/st.c | blks = bytes / STp->block_size; |
STp | 977 | drivers/scsi/st.c | bytes = blks * STp->block_size; |
STp | 987 | drivers/scsi/st.c | (void *) cmd, (STp->buffer)->b_data, |
STp | 988 | drivers/scsi/st.c | (STp->buffer)->buffer_size, |
STp | 991 | drivers/scsi/st.c | if (SCpnt->request.dev == dev) sleep_on( &(STp->waiting) ); |
STp | 993 | drivers/scsi/st.c | (STp->buffer)->read_pointer = 0; |
STp | 994 | drivers/scsi/st.c | STp->eof_hit = 0; |
STp | 995 | drivers/scsi/st.c | STp->at_sm = 0; |
STp | 997 | drivers/scsi/st.c | if ((STp->buffer)->last_result_fatal) { |
STp | 1016 | drivers/scsi/st.c | if (STp->block_size == 0 && |
STp | 1021 | drivers/scsi/st.c | if (STp->block_size == 0) { |
STp | 1024 | drivers/scsi/st.c | (STp->buffer)->buffer_bytes = bytes - transfer; |
STp | 1033 | drivers/scsi/st.c | STp->eof = ST_EOM_OK; |
STp | 1034 | drivers/scsi/st.c | if (STp->block_size == 0) |
STp | 1035 | drivers/scsi/st.c | (STp->buffer)->buffer_bytes = bytes - transfer; |
STp | 1037 | drivers/scsi/st.c | (STp->buffer)->buffer_bytes = |
STp | 1038 | drivers/scsi/st.c | bytes - transfer * STp->block_size; |
STp | 1042 | drivers/scsi/st.c | (STp->buffer)->buffer_bytes); |
STp | 1046 | drivers/scsi/st.c | STp->eof = ST_FM; |
STp | 1047 | drivers/scsi/st.c | if (STp->block_size == 0) |
STp | 1048 | drivers/scsi/st.c | (STp->buffer)->buffer_bytes = 0; |
STp | 1050 | drivers/scsi/st.c | (STp->buffer)->buffer_bytes = |
STp | 1051 | drivers/scsi/st.c | bytes - transfer * STp->block_size; |
STp | 1056 | drivers/scsi/st.c | dev, (STp->buffer)->buffer_bytes, total); |
STp | 1066 | drivers/scsi/st.c | STp->drv_block = (-1); |
STp | 1069 | drivers/scsi/st.c | else if (STp->moves_after_eof == 1 && |
STp | 1076 | drivers/scsi/st.c | STp->eof = ST_EOD; |
STp | 1084 | drivers/scsi/st.c | transfer = (STp->buffer)->last_result_fatal; |
STp | 1090 | drivers/scsi/st.c | (STp->buffer)->buffer_bytes = bytes; |
STp | 1092 | drivers/scsi/st.c | if (STp->drv_block >= 0) { |
STp | 1093 | drivers/scsi/st.c | if (STp->block_size == 0) |
STp | 1094 | drivers/scsi/st.c | STp->drv_block++; |
STp | 1096 | drivers/scsi/st.c | STp->drv_block += (STp->buffer)->buffer_bytes / STp->block_size; |
STp | 1102 | drivers/scsi/st.c | if ((STp->buffer)->buffer_bytes > 0) { |
STp | 1104 | drivers/scsi/st.c | if (debugging && STp->eof != ST_NOEOF) |
STp | 1106 | drivers/scsi/st.c | (STp->buffer)->buffer_bytes, count - total); |
STp | 1108 | drivers/scsi/st.c | transfer = (STp->buffer)->buffer_bytes < count - total ? |
STp | 1109 | drivers/scsi/st.c | (STp->buffer)->buffer_bytes : count - total; |
STp | 1110 | drivers/scsi/st.c | memcpy_tofs(buf, (STp->buffer)->b_data + |
STp | 1111 | drivers/scsi/st.c | (STp->buffer)->read_pointer,transfer); |
STp | 1115 | drivers/scsi/st.c | (STp->buffer)->buffer_bytes -= transfer; |
STp | 1116 | drivers/scsi/st.c | (STp->buffer)->read_pointer += transfer; |
STp | 1118 | drivers/scsi/st.c | else if (STp->eof != ST_NOEOF) { |
STp | 1119 | drivers/scsi/st.c | STp->eof_hit = 1; |
STp | 1121 | drivers/scsi/st.c | if (total == 0 && STp->eof == ST_FM) { |
STp | 1122 | drivers/scsi/st.c | STp->eof = ST_NOEOF; |
STp | 1123 | drivers/scsi/st.c | STp->drv_block = 0; |
STp | 1124 | drivers/scsi/st.c | if (STp->moves_after_eof > 1) |
STp | 1125 | drivers/scsi/st.c | STp->moves_after_eof = 0; |
STp | 1126 | drivers/scsi/st.c | (STp->mt_status)->mt_fileno++; |
STp | 1128 | drivers/scsi/st.c | if (total == 0 && STp->eof == ST_EOM_OK) |
STp | 1133 | drivers/scsi/st.c | if (STp->block_size == 0) |
STp | 1150 | drivers/scsi/st.c | Scsi_Tape *STp; |
STp | 1153 | drivers/scsi/st.c | STp = &(scsi_tapes[dev]); |
STp | 1155 | drivers/scsi/st.c | STp->do_buffer_writes = (options & MT_ST_BUFFER_WRITES) != 0; |
STp | 1156 | drivers/scsi/st.c | STp->do_async_writes = (options & MT_ST_ASYNC_WRITES) != 0; |
STp | 1157 | drivers/scsi/st.c | STp->do_read_ahead = (options & MT_ST_READ_AHEAD) != 0; |
STp | 1158 | drivers/scsi/st.c | STp->two_fm = (options & MT_ST_TWO_FM) != 0; |
STp | 1163 | drivers/scsi/st.c | dev, STp->do_buffer_writes, STp->do_async_writes, |
STp | 1164 | drivers/scsi/st.c | STp->do_read_ahead); |
STp | 1165 | drivers/scsi/st.c | printk(" two FMs: %d, debugging: %d\n", STp->two_fm, |
STp | 1176 | drivers/scsi/st.c | STp->write_threshold = value; |
STp | 1179 | drivers/scsi/st.c | STp->write_threshold); |
STp | 1200 | drivers/scsi/st.c | Scsi_Tape * STp; |
STp | 1204 | drivers/scsi/st.c | STp = &(scsi_tapes[dev]); |
STp | 1205 | drivers/scsi/st.c | if (STp->ready != ST_READY) |
STp | 1207 | drivers/scsi/st.c | fileno = (STp->mt_status)->mt_fileno ; |
STp | 1208 | drivers/scsi/st.c | blkno = STp->drv_block; |
STp | 1209 | drivers/scsi/st.c | at_sm = STp->at_sm; |
STp | 1322 | drivers/scsi/st.c | if (STp->write_prot) |
STp | 1392 | drivers/scsi/st.c | fileno = (STp->mt_status)->mt_fileno ; |
STp | 1407 | drivers/scsi/st.c | if (STp->write_prot) |
STp | 1418 | drivers/scsi/st.c | if ((STp->device)->scsi_level < SCSI_2) { |
STp | 1447 | drivers/scsi/st.c | if (STp->dirty || (STp->buffer)->buffer_bytes != 0) |
STp | 1451 | drivers/scsi/st.c | (arg < STp->min_block || arg > STp->max_block || |
STp | 1459 | drivers/scsi/st.c | memset((STp->buffer)->b_data, 0, 12); |
STp | 1461 | drivers/scsi/st.c | (STp->buffer)->b_data[2] = (arg & 7) << 4; |
STp | 1463 | drivers/scsi/st.c | (STp->buffer)->b_data[2] = |
STp | 1464 | drivers/scsi/st.c | STp->drv_buffer << 4; |
STp | 1465 | drivers/scsi/st.c | (STp->buffer)->b_data[3] = 8; /* block descriptor length */ |
STp | 1467 | drivers/scsi/st.c | (STp->buffer)->b_data[4] = arg; |
STp | 1469 | drivers/scsi/st.c | (STp->buffer)->b_data[4] = STp->density; |
STp | 1473 | drivers/scsi/st.c | ltmp = STp->block_size; |
STp | 1474 | drivers/scsi/st.c | (STp->buffer)->b_data[9] = (ltmp >> 16); |
STp | 1475 | drivers/scsi/st.c | (STp->buffer)->b_data[10] = (ltmp >> 8); |
STp | 1476 | drivers/scsi/st.c | (STp->buffer)->b_data[11] = ltmp; |
STp | 1482 | drivers/scsi/st.c | (STp->buffer)->b_data[9] * 65536 + |
STp | 1483 | drivers/scsi/st.c | (STp->buffer)->b_data[10] * 256 + |
STp | 1484 | drivers/scsi/st.c | (STp->buffer)->b_data[11]); |
STp | 1487 | drivers/scsi/st.c | (STp->buffer)->b_data[4]); |
STp | 1490 | drivers/scsi/st.c | ((STp->buffer)->b_data[2] >> 4) & 7); |
STp | 1499 | drivers/scsi/st.c | SCpnt = allocate_device(NULL, STp->device, 1); |
STp | 1503 | drivers/scsi/st.c | (void *) cmd, (void *) (STp->buffer)->b_data, datalen, |
STp | 1506 | drivers/scsi/st.c | if (SCpnt->request.dev == dev) sleep_on( &(STp->waiting) ); |
STp | 1508 | drivers/scsi/st.c | ioctl_result = (STp->buffer)->last_result_fatal; |
STp | 1514 | drivers/scsi/st.c | STp->drv_block = blkno; |
STp | 1515 | drivers/scsi/st.c | (STp->mt_status)->mt_fileno = fileno; |
STp | 1516 | drivers/scsi/st.c | STp->at_sm = at_sm; |
STp | 1519 | drivers/scsi/st.c | STp->drv_block = (STp->mt_status)->mt_fileno = (-1); |
STp | 1520 | drivers/scsi/st.c | STp->at_sm = 0; |
STp | 1523 | drivers/scsi/st.c | STp->moves_after_eof = 0; |
STp | 1525 | drivers/scsi/st.c | STp->moves_after_eof = 1; |
STp | 1531 | drivers/scsi/st.c | STp->block_size = arg; |
STp | 1533 | drivers/scsi/st.c | (STp->buffer)->buffer_blocks = |
STp | 1534 | drivers/scsi/st.c | st_buffer_size / STp->block_size; |
STp | 1535 | drivers/scsi/st.c | (STp->buffer)->buffer_size = |
STp | 1536 | drivers/scsi/st.c | (STp->buffer)->buffer_blocks * STp->block_size; |
STp | 1539 | drivers/scsi/st.c | (STp->buffer)->buffer_blocks = 1; |
STp | 1540 | drivers/scsi/st.c | (STp->buffer)->buffer_size = st_buffer_size; |
STp | 1542 | drivers/scsi/st.c | (STp->buffer)->buffer_bytes = |
STp | 1543 | drivers/scsi/st.c | (STp->buffer)->read_pointer = 0; |
STp | 1546 | drivers/scsi/st.c | STp->drv_buffer = (arg & 7); |
STp | 1548 | drivers/scsi/st.c | STp->density = arg; |
STp | 1550 | drivers/scsi/st.c | STp->eof = ST_EOM_OK; |
STp | 1551 | drivers/scsi/st.c | STp->eof_hit = 0; |
STp | 1554 | drivers/scsi/st.c | STp->eof = ST_NOEOF; |
STp | 1555 | drivers/scsi/st.c | STp->eof_hit = 0; |
STp | 1559 | drivers/scsi/st.c | STp->eof = ST_EOM_OK; |
STp | 1560 | drivers/scsi/st.c | STp->eof_hit = 0; |
STp | 1561 | drivers/scsi/st.c | STp->drv_block = 0; |
STp | 1569 | drivers/scsi/st.c | (STp->mt_status)->mt_fileno = fileno - undone ; |
STp | 1571 | drivers/scsi/st.c | (STp->mt_status)->mt_fileno = fileno + undone ; |
STp | 1574 | drivers/scsi/st.c | STp->drv_block = blkno - undone; |
STp | 1576 | drivers/scsi/st.c | STp->drv_block = (-1); |
STp | 1580 | drivers/scsi/st.c | STp->drv_block = blkno + undone; |
STp | 1582 | drivers/scsi/st.c | STp->drv_block = (-1); |
STp | 1584 | drivers/scsi/st.c | if (STp->eof == ST_NOEOF && |
STp | 1586 | drivers/scsi/st.c | STp->eof = ST_EOD; |
STp | 1605 | drivers/scsi/st.c | Scsi_Tape *STp; |
STp | 1608 | drivers/scsi/st.c | STp = &(scsi_tapes[dev]); |
STp | 1610 | drivers/scsi/st.c | if (debugging && !STp->in_use) { |
STp | 1648 | drivers/scsi/st.c | (STp->mt_status)->mt_dsreg = |
STp | 1649 | drivers/scsi/st.c | ((STp->block_size << MT_ST_BLKSIZE_SHIFT) & MT_ST_BLKSIZE_MASK) | |
STp | 1650 | drivers/scsi/st.c | ((STp->density << MT_ST_DENSITY_SHIFT) & MT_ST_DENSITY_MASK); |
STp | 1651 | drivers/scsi/st.c | (STp->mt_status)->mt_blkno = STp->drv_block; |
STp | 1652 | drivers/scsi/st.c | if (STp->block_size != 0) { |
STp | 1653 | drivers/scsi/st.c | if (STp->rw == ST_WRITING) |
STp | 1654 | drivers/scsi/st.c | (STp->mt_status)->mt_blkno += |
STp | 1655 | drivers/scsi/st.c | (STp->buffer)->buffer_bytes / STp->block_size; |
STp | 1656 | drivers/scsi/st.c | else if (STp->rw == ST_READING) |
STp | 1657 | drivers/scsi/st.c | (STp->mt_status)->mt_blkno -= ((STp->buffer)->buffer_bytes + |
STp | 1658 | drivers/scsi/st.c | STp->block_size - 1) / STp->block_size; |
STp | 1661 | drivers/scsi/st.c | (STp->mt_status)->mt_gstat = 0; |
STp | 1662 | drivers/scsi/st.c | if (STp->drv_write_prot) |
STp | 1663 | drivers/scsi/st.c | (STp->mt_status)->mt_gstat |= GMT_WR_PROT(0xffffffff); |
STp | 1664 | drivers/scsi/st.c | if ((STp->mt_status)->mt_blkno == 0) { |
STp | 1665 | drivers/scsi/st.c | if ((STp->mt_status)->mt_fileno == 0) |
STp | 1666 | drivers/scsi/st.c | (STp->mt_status)->mt_gstat |= GMT_BOT(0xffffffff); |
STp | 1668 | drivers/scsi/st.c | (STp->mt_status)->mt_gstat |= GMT_EOF(0xffffffff); |
STp | 1670 | drivers/scsi/st.c | if (STp->eof == ST_EOM_OK || STp->eof == ST_EOM_ERROR) |
STp | 1671 | drivers/scsi/st.c | (STp->mt_status)->mt_gstat |= GMT_EOT(0xffffffff); |
STp | 1672 | drivers/scsi/st.c | else if (STp->eof == ST_EOD) |
STp | 1673 | drivers/scsi/st.c | (STp->mt_status)->mt_gstat |= GMT_EOD(0xffffffff); |
STp | 1674 | drivers/scsi/st.c | if (STp->density == 1) |
STp | 1675 | drivers/scsi/st.c | (STp->mt_status)->mt_gstat |= GMT_D_800(0xffffffff); |
STp | 1676 | drivers/scsi/st.c | else if (STp->density == 2) |
STp | 1677 | drivers/scsi/st.c | (STp->mt_status)->mt_gstat |= GMT_D_1600(0xffffffff); |
STp | 1678 | drivers/scsi/st.c | else if (STp->density == 3) |
STp | 1679 | drivers/scsi/st.c | (STp->mt_status)->mt_gstat |= GMT_D_6250(0xffffffff); |
STp | 1680 | drivers/scsi/st.c | if (STp->ready == ST_READY) |
STp | 1681 | drivers/scsi/st.c | (STp->mt_status)->mt_gstat |= GMT_ONLINE(0xffffffff); |
STp | 1682 | drivers/scsi/st.c | if (STp->ready == ST_NO_TAPE) |
STp | 1683 | drivers/scsi/st.c | (STp->mt_status)->mt_gstat |= GMT_DR_OPEN(0xffffffff); |
STp | 1684 | drivers/scsi/st.c | if (STp->at_sm) |
STp | 1685 | drivers/scsi/st.c | (STp->mt_status)->mt_gstat |= GMT_SM(0xffffffff); |
STp | 1687 | drivers/scsi/st.c | memcpy_tofs((char *)arg, (char *)(STp->mt_status), |
STp | 1690 | drivers/scsi/st.c | (STp->mt_status)->mt_erreg = 0; /* Clear after read */ |
STp | 1694 | drivers/scsi/st.c | if (STp->ready != ST_READY) |
STp | 1711 | drivers/scsi/st.c | SCpnt = allocate_device(NULL, STp->device, 1); |
STp | 1715 | drivers/scsi/st.c | if ((STp->device)->scsi_level < SCSI_2) { |
STp | 1726 | drivers/scsi/st.c | (void *) scmd, (void *) (STp->buffer)->b_data, |
STp | 1729 | drivers/scsi/st.c | if (SCpnt->request.dev == dev) sleep_on( &(STp->waiting) ); |
STp | 1731 | drivers/scsi/st.c | if ((STp->buffer)->last_result_fatal != 0) { |
STp | 1741 | drivers/scsi/st.c | if ((STp->device)->scsi_level < SCSI_2) |
STp | 1742 | drivers/scsi/st.c | mt_pos.mt_blkno = ((STp->buffer)->b_data[0] << 16) |
STp | 1743 | drivers/scsi/st.c | + ((STp->buffer)->b_data[1] << 8) |
STp | 1744 | drivers/scsi/st.c | + (STp->buffer)->b_data[2]; |
STp | 1746 | drivers/scsi/st.c | mt_pos.mt_blkno = ((STp->buffer)->b_data[4] << 24) |
STp | 1747 | drivers/scsi/st.c | + ((STp->buffer)->b_data[5] << 16) |
STp | 1748 | drivers/scsi/st.c | + ((STp->buffer)->b_data[6] << 8) |
STp | 1749 | drivers/scsi/st.c | + (STp->buffer)->b_data[7]; |
STp | 1758 | drivers/scsi/st.c | else if (STp->ready == ST_READY) |
STp | 1759 | drivers/scsi/st.c | return scsi_ioctl(STp->device, cmd_in, (void *) arg); |
STp | 1833 | drivers/scsi/st.c | Scsi_Tape * STp; |
STp | 1860 | drivers/scsi/st.c | STp = &(scsi_tapes[i]); |
STp | 1861 | drivers/scsi/st.c | STp->device = NULL; |
STp | 1862 | drivers/scsi/st.c | STp->capacity = 0xfffff; |
STp | 1863 | drivers/scsi/st.c | STp->dirty = 0; |
STp | 1864 | drivers/scsi/st.c | STp->rw = ST_IDLE; |
STp | 1865 | drivers/scsi/st.c | STp->eof = ST_NOEOF; |
STp | 1866 | drivers/scsi/st.c | STp->waiting = NULL; |
STp | 1867 | drivers/scsi/st.c | STp->in_use = 0; |
STp | 1868 | drivers/scsi/st.c | STp->drv_buffer = 1; /* Try buffering if no mode sense */ |
STp | 1869 | drivers/scsi/st.c | STp->density = 0; |
STp | 1870 | drivers/scsi/st.c | STp->do_buffer_writes = ST_BUFFER_WRITES; |
STp | 1871 | drivers/scsi/st.c | STp->do_async_writes = ST_ASYNC_WRITES; |
STp | 1872 | drivers/scsi/st.c | STp->do_read_ahead = ST_READ_AHEAD; |
STp | 1873 | drivers/scsi/st.c | STp->two_fm = ST_TWO_FM; |
STp | 1874 | drivers/scsi/st.c | STp->write_threshold = st_write_threshold; |
STp | 1875 | drivers/scsi/st.c | STp->drv_block = 0; |
STp | 1876 | drivers/scsi/st.c | STp->moves_after_eof = 1; |
STp | 1877 | drivers/scsi/st.c | STp->at_sm = 0; |
STp | 1878 | drivers/scsi/st.c | STp->mt_status = (struct mtget *) scsi_init_malloc(sizeof(struct mtget)); |
STp | 1888 | drivers/scsi/st.c | STp->mt_status->mt_type = MT_ISSCSI1; |
STp | 1890 | drivers/scsi/st.c | STp->mt_status->mt_type = MT_ISSCSI2; |