tag | line | file | source code |
STp | 177 | drivers/scsi/st.c | Scsi_Tape * STp; |
STp | 180 | drivers/scsi/st.c | STp = &(scsi_tapes[st_nbr]); |
STp | 181 | drivers/scsi/st.c | if ((STp->buffer)->writing && |
STp | 193 | drivers/scsi/st.c | (STp->buffer)->last_result = SCpnt->result; /* Error */ |
STp | 195 | drivers/scsi/st.c | (STp->buffer)->last_result = INT_MAX; /* OK */ |
STp | 198 | drivers/scsi/st.c | (STp->buffer)->last_result = SCpnt->result; |
STp | 199 | drivers/scsi/st.c | (STp->buffer)->last_result_fatal = st_chk_result(SCpnt); |
STp | 200 | drivers/scsi/st.c | if ((STp->buffer)->writing) |
STp | 204 | drivers/scsi/st.c | if ((STp->buffer)->writing <= 0) |
STp | 205 | drivers/scsi/st.c | wake_up( &(STp->waiting) ); |
STp | 218 | drivers/scsi/st.c | Scsi_Tape * STp; |
STp | 222 | drivers/scsi/st.c | STp = &(scsi_tapes[dev]); |
STp | 223 | drivers/scsi/st.c | STbuffer = STp->buffer; |
STp | 229 | drivers/scsi/st.c | sleep_on( &(STp->waiting) ); |
STp | 239 | drivers/scsi/st.c | if (STp->drv_block >= 0) { |
STp | 240 | drivers/scsi/st.c | if (STp->block_size == 0) |
STp | 241 | drivers/scsi/st.c | STp->drv_block++; |
STp | 243 | drivers/scsi/st.c | STp->drv_block += STbuffer->writing / STp->block_size; |
STp | 257 | drivers/scsi/st.c | Scsi_Tape *STp = &(scsi_tapes[dev]); |
STp | 266 | drivers/scsi/st.c | SCpnt = allocate_device(NULL, STp->device, 1); |
STp | 270 | drivers/scsi/st.c | (void *) cmd, (void *) (STp->buffer)->b_data, 0, |
STp | 276 | drivers/scsi/st.c | if (SCpnt->request.dev == dev) sleep_on( &(STp->waiting) ); |
STp | 280 | drivers/scsi/st.c | if ((STp->buffer)->last_result != 0) { |
STp | 282 | drivers/scsi/st.c | if ((STp->mt_status)->mt_fileno >= 0) |
STp | 283 | drivers/scsi/st.c | (STp->mt_status)->mt_fileno += 1; |
STp | 284 | drivers/scsi/st.c | (STp->mt_status)->mt_blkno = 0; |
STp | 287 | drivers/scsi/st.c | return (STp->buffer)->last_result_fatal; |
STp | 300 | drivers/scsi/st.c | Scsi_Tape *STp = &(scsi_tapes[dev]); |
STp | 302 | drivers/scsi/st.c | if ((STp->buffer)->writing) { |
STp | 304 | drivers/scsi/st.c | if ((STp->buffer)->last_result_fatal) { |
STp | 308 | drivers/scsi/st.c | (STp->buffer)->last_result); |
STp | 310 | drivers/scsi/st.c | if ((STp->buffer)->last_result == INT_MAX) |
STp | 317 | drivers/scsi/st.c | if (STp->dirty == 1) { |
STp | 318 | drivers/scsi/st.c | SCpnt = allocate_device(NULL, STp->device, 1); |
STp | 320 | drivers/scsi/st.c | offset = (STp->buffer)->buffer_bytes; |
STp | 321 | drivers/scsi/st.c | transfer = ((offset + STp->block_size - 1) / |
STp | 322 | drivers/scsi/st.c | STp->block_size) * STp->block_size; |
STp | 327 | drivers/scsi/st.c | memset((STp->buffer)->b_data + offset, 0, transfer - offset); |
STp | 333 | drivers/scsi/st.c | blks = transfer / STp->block_size; |
STp | 339 | drivers/scsi/st.c | (void *) cmd, (STp->buffer)->b_data, transfer, |
STp | 345 | drivers/scsi/st.c | if (SCpnt->request.dev == dev) sleep_on( &(STp->waiting) ); |
STp | 348 | drivers/scsi/st.c | if ((STp->buffer)->last_result_fatal != 0) { |
STp | 353 | drivers/scsi/st.c | STp->dirty = 0; |
STp | 354 | drivers/scsi/st.c | (STp->buffer)->buffer_bytes = 0; |
STp | 359 | drivers/scsi/st.c | STp->drv_block = (-1); |
STp | 362 | drivers/scsi/st.c | if (STp->drv_block >= 0) |
STp | 363 | drivers/scsi/st.c | STp->drv_block += blks; |
STp | 364 | drivers/scsi/st.c | STp->dirty = 0; |
STp | 365 | drivers/scsi/st.c | (STp->buffer)->buffer_bytes = 0; |
STp | 380 | drivers/scsi/st.c | Scsi_Tape * STp; |
STp | 384 | drivers/scsi/st.c | STp = &(scsi_tapes[dev]); |
STp | 385 | drivers/scsi/st.c | STbuffer = STp->buffer; |
STp | 387 | drivers/scsi/st.c | if (STp->ready != ST_READY) |
STp | 390 | drivers/scsi/st.c | if (STp->rw == ST_WRITING) /* Writing */ |
STp | 393 | drivers/scsi/st.c | if (STp->block_size == 0) |
STp | 396 | drivers/scsi/st.c | backspace = ((STp->buffer)->buffer_bytes + |
STp | 397 | drivers/scsi/st.c | (STp->buffer)->read_pointer) / STp->block_size - |
STp | 398 | drivers/scsi/st.c | ((STp->buffer)->read_pointer + STp->block_size - 1) / |
STp | 399 | drivers/scsi/st.c | STp->block_size; |
STp | 400 | drivers/scsi/st.c | (STp->buffer)->buffer_bytes = 0; |
STp | 401 | drivers/scsi/st.c | (STp->buffer)->read_pointer = 0; |
STp | 404 | drivers/scsi/st.c | if ((STp->eof == ST_FM) && !STp->eof_hit) { |
STp | 407 | drivers/scsi/st.c | STp->eof = ST_NOEOF; |
STp | 408 | drivers/scsi/st.c | STp->eof_hit = 0; |
STp | 429 | drivers/scsi/st.c | Scsi_Tape * STp; |
STp | 434 | drivers/scsi/st.c | STp = &(scsi_tapes[dev]); |
STp | 435 | drivers/scsi/st.c | if (STp->in_use) { |
STp | 448 | drivers/scsi/st.c | STp->buffer = st_buffers[i]; |
STp | 449 | drivers/scsi/st.c | (STp->buffer)->in_use = 1; |
STp | 450 | drivers/scsi/st.c | (STp->buffer)->writing = 0; |
STp | 451 | drivers/scsi/st.c | STp->in_use = 1; |
STp | 454 | drivers/scsi/st.c | STp->write_prot = ((flags & O_ACCMODE) == O_RDONLY); |
STp | 456 | drivers/scsi/st.c | STp->dirty = 0; |
STp | 457 | drivers/scsi/st.c | STp->rw = ST_IDLE; |
STp | 458 | drivers/scsi/st.c | STp->ready = ST_READY; |
STp | 459 | drivers/scsi/st.c | if (STp->eof != ST_EOD) /* Save EOD across opens */ |
STp | 460 | drivers/scsi/st.c | STp->eof = ST_NOEOF; |
STp | 461 | drivers/scsi/st.c | STp->eof_hit = 0; |
STp | 462 | drivers/scsi/st.c | STp->recover_count = 0; |
STp | 464 | drivers/scsi/st.c | SCpnt = allocate_device(NULL, STp->device, 1); |
STp | 475 | drivers/scsi/st.c | (void *) cmd, (void *) (STp->buffer)->b_data, |
STp | 483 | drivers/scsi/st.c | if (SCpnt->request.dev == dev) sleep_on( &(STp->waiting) ); |
STp | 488 | drivers/scsi/st.c | (STp->mt_status)->mt_fileno = 0 ; |
STp | 494 | drivers/scsi/st.c | (void *) cmd, (void *) (STp->buffer)->b_data, |
STp | 502 | drivers/scsi/st.c | if (SCpnt->request.dev == dev) sleep_on( &(STp->waiting) ); |
STp | 505 | drivers/scsi/st.c | (STp->mt_status)->mt_fileno = STp->drv_block = 0; |
STp | 506 | drivers/scsi/st.c | STp->eof = ST_NOEOF; |
STp | 509 | drivers/scsi/st.c | if ((STp->buffer)->last_result_fatal != 0) { |
STp | 512 | drivers/scsi/st.c | (STp->mt_status)->mt_fileno = STp->drv_block = 0 ; |
STp | 514 | drivers/scsi/st.c | STp->ready = ST_NO_TAPE; |
STp | 516 | drivers/scsi/st.c | (STp->mt_status)->mt_fileno = STp->drv_block = (-1); |
STp | 517 | drivers/scsi/st.c | STp->ready = ST_NOT_READY; |
STp | 520 | drivers/scsi/st.c | (STp->buffer)->in_use = 0; |
STp | 521 | drivers/scsi/st.c | STp->buffer = NULL; |
STp | 522 | drivers/scsi/st.c | STp->density = 0; /* Clear the erroneous "residue" */ |
STp | 523 | drivers/scsi/st.c | STp->write_prot = 0; |
STp | 524 | drivers/scsi/st.c | STp->block_size = 0; |
STp | 525 | drivers/scsi/st.c | STp->eof = ST_NOEOF; |
STp | 526 | drivers/scsi/st.c | (STp->mt_status)->mt_fileno = STp->drv_block = 0; |
STp | 537 | drivers/scsi/st.c | (void *) cmd, (void *) (STp->buffer)->b_data, |
STp | 544 | drivers/scsi/st.c | if (SCpnt->request.dev == dev) sleep_on( &(STp->waiting) ); |
STp | 548 | drivers/scsi/st.c | STp->max_block = ((STp->buffer)->b_data[1] << 16) | |
STp | 549 | drivers/scsi/st.c | ((STp->buffer)->b_data[2] << 8) | (STp->buffer)->b_data[3]; |
STp | 550 | drivers/scsi/st.c | STp->min_block = ((STp->buffer)->b_data[4] << 8) | |
STp | 551 | drivers/scsi/st.c | (STp->buffer)->b_data[5]; |
STp | 554 | drivers/scsi/st.c | printk("st%d: Block limits %d - %d bytes.\n", dev, STp->min_block, |
STp | 555 | drivers/scsi/st.c | STp->max_block); |
STp | 559 | drivers/scsi/st.c | STp->min_block = STp->max_block = (-1); |
STp | 572 | drivers/scsi/st.c | (void *) cmd, (void *) (STp->buffer)->b_data, |
STp | 579 | drivers/scsi/st.c | if (SCpnt->request.dev == dev) sleep_on( &(STp->waiting) ); |
STp | 582 | drivers/scsi/st.c | if ((STp->buffer)->last_result_fatal != 0) { |
STp | 587 | drivers/scsi/st.c | (STp->buffer)->b_data[2] = |
STp | 588 | drivers/scsi/st.c | (STp->buffer)->b_data[3] = 0; |
STp | 595 | drivers/scsi/st.c | (STp->buffer)->b_data[0], (STp->buffer)->b_data[1], |
STp | 596 | drivers/scsi/st.c | (STp->buffer)->b_data[2], (STp->buffer)->b_data[3]); |
STp | 599 | drivers/scsi/st.c | if ((STp->buffer)->b_data[3] >= 8) { |
STp | 600 | drivers/scsi/st.c | STp->drv_buffer = ((STp->buffer)->b_data[2] >> 4) & 7; |
STp | 601 | drivers/scsi/st.c | STp->density = (STp->buffer)->b_data[4]; |
STp | 602 | drivers/scsi/st.c | STp->block_size = (STp->buffer)->b_data[9] * 65536 + |
STp | 603 | drivers/scsi/st.c | (STp->buffer)->b_data[10] * 256 + (STp->buffer)->b_data[11]; |
STp | 607 | drivers/scsi/st.c | dev, STp->density, (STp->buffer)->b_data[5] * 65536 + |
STp | 608 | drivers/scsi/st.c | (STp->buffer)->b_data[6] * 256 + (STp->buffer)->b_data[7], |
STp | 609 | drivers/scsi/st.c | STp->drv_buffer); |
STp | 611 | drivers/scsi/st.c | if (STp->block_size > st_buffer_size) { |
STp | 613 | drivers/scsi/st.c | STp->block_size); |
STp | 614 | drivers/scsi/st.c | (STp->buffer)->in_use = 0; |
STp | 615 | drivers/scsi/st.c | STp->in_use = 0; |
STp | 621 | drivers/scsi/st.c | STp->block_size = 512; /* "Educated Guess" (?) */ |
STp | 623 | drivers/scsi/st.c | if (STp->block_size > 0) { |
STp | 624 | drivers/scsi/st.c | (STp->buffer)->buffer_blocks = st_buffer_size / STp->block_size; |
STp | 625 | drivers/scsi/st.c | (STp->buffer)->buffer_size = |
STp | 626 | drivers/scsi/st.c | (STp->buffer)->buffer_blocks * STp->block_size; |
STp | 629 | drivers/scsi/st.c | (STp->buffer)->buffer_blocks = 1; |
STp | 630 | drivers/scsi/st.c | (STp->buffer)->buffer_size = st_buffer_size; |
STp | 632 | drivers/scsi/st.c | (STp->buffer)->buffer_bytes = (STp->buffer)->read_pointer = 0; |
STp | 637 | drivers/scsi/st.c | STp->block_size, (STp->buffer)->buffer_size, |
STp | 638 | drivers/scsi/st.c | (STp->buffer)->buffer_blocks); |
STp | 641 | drivers/scsi/st.c | STp->drv_write_prot = ((STp->buffer)->b_data[2] & 0x80) != 0; |
STp | 642 | drivers/scsi/st.c | if (STp->drv_write_prot) { |
STp | 643 | drivers/scsi/st.c | STp->write_prot = 1; |
STp | 649 | drivers/scsi/st.c | (STp->buffer)->in_use = 0; |
STp | 650 | drivers/scsi/st.c | STp->buffer = 0; |
STp | 651 | drivers/scsi/st.c | STp->in_use = 0; |
STp | 673 | drivers/scsi/st.c | Scsi_Tape * STp; |
STp | 679 | drivers/scsi/st.c | STp = &(scsi_tapes[dev]); |
STp | 681 | drivers/scsi/st.c | if ( STp->rw == ST_WRITING) { |
STp | 691 | drivers/scsi/st.c | SCpnt = allocate_device(NULL, STp->device, 1); |
STp | 696 | drivers/scsi/st.c | cmd[4] = 1 + STp->two_fm; |
STp | 699 | drivers/scsi/st.c | (void *) cmd, (void *) (STp->buffer)->b_data, |
STp | 706 | drivers/scsi/st.c | if (SCpnt->request.dev == dev) sleep_on( &(STp->waiting) ); |
STp | 710 | drivers/scsi/st.c | if ((STp->buffer)->last_result_fatal != 0) { |
STp | 716 | drivers/scsi/st.c | if ((STp->mt_status)->mt_fileno >= 0) |
STp | 717 | drivers/scsi/st.c | (STp->mt_status)->mt_fileno++ ; |
STp | 718 | drivers/scsi/st.c | STp->drv_block = 0; |
STp | 719 | drivers/scsi/st.c | if (STp->two_fm) |
STp | 732 | drivers/scsi/st.c | if ((STp->eof == ST_FM) && !STp->eof_hit) |
STp | 742 | drivers/scsi/st.c | if (STp->buffer != NULL) |
STp | 743 | drivers/scsi/st.c | (STp->buffer)->in_use = 0; |
STp | 744 | drivers/scsi/st.c | STp->in_use = 0; |
STp | 765 | drivers/scsi/st.c | Scsi_Tape * STp; |
STp | 769 | drivers/scsi/st.c | STp = &(scsi_tapes[dev]); |
STp | 770 | drivers/scsi/st.c | if (STp->ready != ST_READY) |
STp | 773 | drivers/scsi/st.c | if (!STp->in_use) { |
STp | 779 | drivers/scsi/st.c | if (STp->write_prot) |
STp | 782 | drivers/scsi/st.c | if (STp->block_size == 0 && count > st_buffer_size) |
STp | 785 | drivers/scsi/st.c | if (STp->rw == ST_READING) { |
STp | 789 | drivers/scsi/st.c | STp->rw = ST_WRITING; |
STp | 792 | drivers/scsi/st.c | if (STp->moves_after_eof < 255) |
STp | 793 | drivers/scsi/st.c | STp->moves_after_eof++; |
STp | 795 | drivers/scsi/st.c | if ((STp->buffer)->writing) { |
STp | 797 | drivers/scsi/st.c | if ((STp->buffer)->last_result_fatal) { |
STp | 801 | drivers/scsi/st.c | (STp->buffer)->last_result); |
STp | 803 | drivers/scsi/st.c | if ((STp->buffer)->last_result == INT_MAX) { |
STp | 805 | drivers/scsi/st.c | STp->eof = ST_EOM_OK; |
STp | 813 | drivers/scsi/st.c | if (STp->eof == ST_EOM_OK) |
STp | 815 | drivers/scsi/st.c | else if (STp->eof == ST_EOM_ERROR) |
STp | 818 | drivers/scsi/st.c | if (!STp->do_buffer_writes) { |
STp | 819 | drivers/scsi/st.c | if (STp->block_size != 0 && (count % STp->block_size) != 0) |
STp | 824 | drivers/scsi/st.c | write_threshold = (STp->buffer)->buffer_size; |
STp | 825 | drivers/scsi/st.c | if (!STp->do_async_writes) |
STp | 828 | drivers/scsi/st.c | SCpnt = allocate_device(NULL, STp->device, 1); |
STp | 834 | drivers/scsi/st.c | cmd[1] = (STp->block_size != 0); |
STp | 836 | drivers/scsi/st.c | STp->rw = ST_WRITING; |
STp | 839 | drivers/scsi/st.c | while((STp->block_size == 0 && !STp->do_async_writes && count > 0) || |
STp | 840 | drivers/scsi/st.c | (STp->block_size != 0 && |
STp | 841 | drivers/scsi/st.c | (STp->buffer)->buffer_bytes + count > write_threshold)) |
STp | 844 | drivers/scsi/st.c | if (STp->block_size == 0) |
STp | 847 | drivers/scsi/st.c | do_count = (STp->buffer)->buffer_size - (STp->buffer)->buffer_bytes; |
STp | 851 | drivers/scsi/st.c | memcpy_fromfs((STp->buffer)->b_data + |
STp | 852 | drivers/scsi/st.c | (STp->buffer)->buffer_bytes, b_point, do_count); |
STp | 854 | drivers/scsi/st.c | if (STp->block_size == 0) |
STp | 857 | drivers/scsi/st.c | blks = ((STp->buffer)->buffer_bytes + do_count) / |
STp | 858 | drivers/scsi/st.c | STp->block_size; |
STp | 859 | drivers/scsi/st.c | transfer = blks * STp->block_size; |
STp | 867 | drivers/scsi/st.c | (void *) cmd, (STp->buffer)->b_data, transfer, |
STp | 874 | drivers/scsi/st.c | if (SCpnt->request.dev == dev) sleep_on( &(STp->waiting) ); |
STp | 877 | drivers/scsi/st.c | if ((STp->buffer)->last_result_fatal != 0) { |
STp | 884 | drivers/scsi/st.c | if (STp->block_size != 0 && (SCpnt->sense_buffer[0] & 0x80) != 0) |
STp | 888 | drivers/scsi/st.c | else if (STp->block_size == 0 && |
STp | 893 | drivers/scsi/st.c | if (STp->block_size != 0) |
STp | 894 | drivers/scsi/st.c | transfer *= STp->block_size; |
STp | 898 | drivers/scsi/st.c | if (STp->drv_block >= 0) { |
STp | 899 | drivers/scsi/st.c | if (STp->block_size == 0 && transfer < do_count) |
STp | 900 | drivers/scsi/st.c | STp->drv_block++; |
STp | 901 | drivers/scsi/st.c | else if (STp->block_size != 0) |
STp | 902 | drivers/scsi/st.c | STp->drv_block += (do_count - transfer) / STp->block_size; |
STp | 904 | drivers/scsi/st.c | STp->eof = ST_EOM_OK; |
STp | 913 | drivers/scsi/st.c | STp->eof = ST_EOM_ERROR; |
STp | 914 | drivers/scsi/st.c | STp->drv_block = (-1); /* Too cautious? */ |
STp | 923 | drivers/scsi/st.c | STp->drv_block = (-1); /* Too cautious? */ |
STp | 928 | drivers/scsi/st.c | (STp->buffer)->buffer_bytes = 0; |
STp | 929 | drivers/scsi/st.c | STp->dirty = 0; |
STp | 938 | drivers/scsi/st.c | if (STp->drv_block >= 0) { |
STp | 939 | drivers/scsi/st.c | if (STp->block_size == 0) |
STp | 940 | drivers/scsi/st.c | STp->drv_block++; |
STp | 942 | drivers/scsi/st.c | STp->drv_block += blks; |
STp | 944 | drivers/scsi/st.c | (STp->buffer)->buffer_bytes = 0; |
STp | 945 | drivers/scsi/st.c | STp->dirty = 0; |
STp | 948 | drivers/scsi/st.c | STp->dirty = 1; |
STp | 949 | drivers/scsi/st.c | memcpy_fromfs((STp->buffer)->b_data + |
STp | 950 | drivers/scsi/st.c | (STp->buffer)->buffer_bytes,b_point,count); |
STp | 952 | drivers/scsi/st.c | (STp->buffer)->buffer_bytes += count; |
STp | 956 | drivers/scsi/st.c | if (doing_write && (STp->buffer)->last_result_fatal != 0) { |
STp | 958 | drivers/scsi/st.c | return (STp->buffer)->last_result_fatal; |
STp | 961 | drivers/scsi/st.c | if (STp->do_async_writes && |
STp | 962 | drivers/scsi/st.c | ((STp->buffer)->buffer_bytes >= STp->write_threshold || |
STp | 963 | drivers/scsi/st.c | STp->block_size == 0) ) { |
STp | 965 | drivers/scsi/st.c | if (STp->block_size == 0) |
STp | 966 | drivers/scsi/st.c | (STp->buffer)->writing = (STp->buffer)->buffer_bytes; |
STp | 968 | drivers/scsi/st.c | (STp->buffer)->writing = ((STp->buffer)->buffer_bytes / |
STp | 969 | drivers/scsi/st.c | STp->block_size) * STp->block_size; |
STp | 970 | drivers/scsi/st.c | STp->dirty = !((STp->buffer)->writing == |
STp | 971 | drivers/scsi/st.c | (STp->buffer)->buffer_bytes); |
STp | 973 | drivers/scsi/st.c | if (STp->block_size == 0) |
STp | 974 | drivers/scsi/st.c | blks = (STp->buffer)->writing; |
STp | 976 | drivers/scsi/st.c | blks = (STp->buffer)->writing / STp->block_size; |
STp | 980 | drivers/scsi/st.c | SCpnt->result = (STp->buffer)->last_result = -1; |
STp | 984 | drivers/scsi/st.c | (void *) cmd, (STp->buffer)->b_data, |
STp | 985 | drivers/scsi/st.c | (STp->buffer)->writing, |
STp | 991 | drivers/scsi/st.c | STp->at_sm &= (total != 0); |
STp | 1005 | drivers/scsi/st.c | Scsi_Tape * STp; |
STp | 1009 | drivers/scsi/st.c | STp = &(scsi_tapes[dev]); |
STp | 1010 | drivers/scsi/st.c | if (STp->ready != ST_READY) |
STp | 1013 | drivers/scsi/st.c | if (!STp->in_use) { |
STp | 1019 | drivers/scsi/st.c | if (STp->block_size == 0 && count > st_buffer_size) |
STp | 1022 | drivers/scsi/st.c | if (!(STp->do_read_ahead) && STp->block_size != 0 && |
STp | 1023 | drivers/scsi/st.c | (count % STp->block_size) != 0) |
STp | 1026 | drivers/scsi/st.c | if (STp->rw == ST_WRITING) { |
STp | 1030 | drivers/scsi/st.c | STp->rw = ST_READING; |
STp | 1032 | drivers/scsi/st.c | if (STp->moves_after_eof < 255) |
STp | 1033 | drivers/scsi/st.c | STp->moves_after_eof++; |
STp | 1036 | drivers/scsi/st.c | if (debugging && STp->eof != ST_NOEOF) |
STp | 1038 | drivers/scsi/st.c | (STp->buffer)->buffer_bytes); |
STp | 1040 | drivers/scsi/st.c | if (((STp->buffer)->buffer_bytes == 0) && |
STp | 1041 | drivers/scsi/st.c | (STp->eof == ST_EOM_OK || STp->eof == ST_EOD)) |
STp | 1044 | drivers/scsi/st.c | STp->rw = ST_READING; |
STp | 1046 | drivers/scsi/st.c | SCpnt = allocate_device(NULL, STp->device, 1); |
STp | 1050 | drivers/scsi/st.c | if ((STp->buffer)->buffer_bytes == 0 && |
STp | 1051 | drivers/scsi/st.c | STp->eof == ST_NOEOF) { |
STp | 1055 | drivers/scsi/st.c | cmd[1] = (STp->block_size != 0); |
STp | 1056 | drivers/scsi/st.c | if (STp->block_size == 0) |
STp | 1059 | drivers/scsi/st.c | if (STp->do_read_ahead) { |
STp | 1060 | drivers/scsi/st.c | blks = (STp->buffer)->buffer_blocks; |
STp | 1061 | drivers/scsi/st.c | bytes = blks * STp->block_size; |
STp | 1067 | drivers/scsi/st.c | blks = bytes / STp->block_size; |
STp | 1068 | drivers/scsi/st.c | bytes = blks * STp->block_size; |
STp | 1078 | drivers/scsi/st.c | (void *) cmd, (STp->buffer)->b_data, |
STp | 1085 | drivers/scsi/st.c | if (SCpnt->request.dev == dev) sleep_on( &(STp->waiting) ); |
STp | 1088 | drivers/scsi/st.c | (STp->buffer)->read_pointer = 0; |
STp | 1089 | drivers/scsi/st.c | STp->eof_hit = 0; |
STp | 1090 | drivers/scsi/st.c | STp->at_sm = 0; |
STp | 1092 | drivers/scsi/st.c | if ((STp->buffer)->last_result_fatal) { |
STp | 1111 | drivers/scsi/st.c | if (STp->block_size == 0 && |
STp | 1116 | drivers/scsi/st.c | if (STp->block_size == 0) { |
STp | 1119 | drivers/scsi/st.c | (STp->buffer)->buffer_bytes = bytes - transfer; |
STp | 1128 | drivers/scsi/st.c | STp->eof = ST_EOM_OK; |
STp | 1129 | drivers/scsi/st.c | if (STp->block_size == 0) |
STp | 1130 | drivers/scsi/st.c | (STp->buffer)->buffer_bytes = bytes - transfer; |
STp | 1132 | drivers/scsi/st.c | (STp->buffer)->buffer_bytes = |
STp | 1133 | drivers/scsi/st.c | bytes - transfer * STp->block_size; |
STp | 1137 | drivers/scsi/st.c | (STp->buffer)->buffer_bytes); |
STp | 1141 | drivers/scsi/st.c | STp->eof = ST_FM; |
STp | 1142 | drivers/scsi/st.c | if (STp->block_size == 0) |
STp | 1143 | drivers/scsi/st.c | (STp->buffer)->buffer_bytes = 0; |
STp | 1145 | drivers/scsi/st.c | (STp->buffer)->buffer_bytes = |
STp | 1146 | drivers/scsi/st.c | bytes - transfer * STp->block_size; |
STp | 1151 | drivers/scsi/st.c | dev, (STp->buffer)->buffer_bytes, total); |
STp | 1161 | drivers/scsi/st.c | STp->drv_block = (-1); |
STp | 1164 | drivers/scsi/st.c | else if (STp->moves_after_eof == 1 && |
STp | 1171 | drivers/scsi/st.c | STp->eof = ST_EOD; |
STp | 1179 | drivers/scsi/st.c | transfer = (STp->buffer)->last_result_fatal; |
STp | 1185 | drivers/scsi/st.c | (STp->buffer)->buffer_bytes = bytes; |
STp | 1187 | drivers/scsi/st.c | if (STp->drv_block >= 0) { |
STp | 1188 | drivers/scsi/st.c | if (STp->block_size == 0) |
STp | 1189 | drivers/scsi/st.c | STp->drv_block++; |
STp | 1191 | drivers/scsi/st.c | STp->drv_block += (STp->buffer)->buffer_bytes / STp->block_size; |
STp | 1197 | drivers/scsi/st.c | if ((STp->buffer)->buffer_bytes > 0) { |
STp | 1199 | drivers/scsi/st.c | if (debugging && STp->eof != ST_NOEOF) |
STp | 1201 | drivers/scsi/st.c | (STp->buffer)->buffer_bytes, count - total); |
STp | 1203 | drivers/scsi/st.c | transfer = (STp->buffer)->buffer_bytes < count - total ? |
STp | 1204 | drivers/scsi/st.c | (STp->buffer)->buffer_bytes : count - total; |
STp | 1205 | drivers/scsi/st.c | memcpy_tofs(buf, (STp->buffer)->b_data + |
STp | 1206 | drivers/scsi/st.c | (STp->buffer)->read_pointer,transfer); |
STp | 1210 | drivers/scsi/st.c | (STp->buffer)->buffer_bytes -= transfer; |
STp | 1211 | drivers/scsi/st.c | (STp->buffer)->read_pointer += transfer; |
STp | 1213 | drivers/scsi/st.c | else if (STp->eof != ST_NOEOF) { |
STp | 1214 | drivers/scsi/st.c | STp->eof_hit = 1; |
STp | 1216 | drivers/scsi/st.c | if (total == 0 && STp->eof == ST_FM) { |
STp | 1217 | drivers/scsi/st.c | STp->eof = ST_NOEOF; |
STp | 1218 | drivers/scsi/st.c | STp->drv_block = 0; |
STp | 1219 | drivers/scsi/st.c | if (STp->moves_after_eof > 1) |
STp | 1220 | drivers/scsi/st.c | STp->moves_after_eof = 0; |
STp | 1221 | drivers/scsi/st.c | if ((STp->mt_status)->mt_fileno >= 0) |
STp | 1222 | drivers/scsi/st.c | (STp->mt_status)->mt_fileno++; |
STp | 1224 | drivers/scsi/st.c | if (total == 0 && STp->eof == ST_EOM_OK) |
STp | 1229 | drivers/scsi/st.c | if (STp->block_size == 0) |
STp | 1246 | drivers/scsi/st.c | Scsi_Tape *STp; |
STp | 1249 | drivers/scsi/st.c | STp = &(scsi_tapes[dev]); |
STp | 1251 | drivers/scsi/st.c | STp->do_buffer_writes = (options & MT_ST_BUFFER_WRITES) != 0; |
STp | 1252 | drivers/scsi/st.c | STp->do_async_writes = (options & MT_ST_ASYNC_WRITES) != 0; |
STp | 1253 | drivers/scsi/st.c | STp->do_read_ahead = (options & MT_ST_READ_AHEAD) != 0; |
STp | 1254 | drivers/scsi/st.c | STp->two_fm = (options & MT_ST_TWO_FM) != 0; |
STp | 1255 | drivers/scsi/st.c | STp->fast_mteom = (options & MT_ST_FAST_MTEOM) != 0; |
STp | 1260 | drivers/scsi/st.c | dev, STp->do_buffer_writes, STp->do_async_writes, |
STp | 1261 | drivers/scsi/st.c | STp->do_read_ahead); |
STp | 1263 | drivers/scsi/st.c | STp->two_fm, STp->fast_mteom, debugging); |
STp | 1273 | drivers/scsi/st.c | STp->write_threshold = value; |
STp | 1276 | drivers/scsi/st.c | STp->write_threshold); |
STp | 1297 | drivers/scsi/st.c | Scsi_Tape * STp; |
STp | 1302 | drivers/scsi/st.c | STp = &(scsi_tapes[dev]); |
STp | 1303 | drivers/scsi/st.c | if (STp->ready != ST_READY) |
STp | 1305 | drivers/scsi/st.c | fileno = (STp->mt_status)->mt_fileno ; |
STp | 1306 | drivers/scsi/st.c | blkno = STp->drv_block; |
STp | 1307 | drivers/scsi/st.c | at_sm = STp->at_sm; |
STp | 1422 | drivers/scsi/st.c | if (STp->write_prot) |
STp | 1491 | drivers/scsi/st.c | if (!STp->fast_mteom) { |
STp | 1494 | drivers/scsi/st.c | fileno = (STp->mt_status)->mt_fileno ; |
STp | 1495 | drivers/scsi/st.c | if (STp->eof == ST_EOD || STp->eof == ST_EOM_OK) |
STp | 1514 | drivers/scsi/st.c | if (STp->write_prot) |
STp | 1531 | drivers/scsi/st.c | if ((STp->device)->scsi_level < SCSI_2) { |
STp | 1560 | drivers/scsi/st.c | if (STp->dirty || (STp->buffer)->buffer_bytes != 0) |
STp | 1564 | drivers/scsi/st.c | (arg < STp->min_block || arg > STp->max_block || |
STp | 1572 | drivers/scsi/st.c | memset((STp->buffer)->b_data, 0, 12); |
STp | 1574 | drivers/scsi/st.c | (STp->buffer)->b_data[2] = (arg & 7) << 4; |
STp | 1576 | drivers/scsi/st.c | (STp->buffer)->b_data[2] = |
STp | 1577 | drivers/scsi/st.c | STp->drv_buffer << 4; |
STp | 1578 | drivers/scsi/st.c | (STp->buffer)->b_data[3] = 8; /* block descriptor length */ |
STp | 1580 | drivers/scsi/st.c | (STp->buffer)->b_data[4] = arg; |
STp | 1582 | drivers/scsi/st.c | (STp->buffer)->b_data[4] = STp->density; |
STp | 1586 | drivers/scsi/st.c | ltmp = STp->block_size; |
STp | 1587 | drivers/scsi/st.c | (STp->buffer)->b_data[9] = (ltmp >> 16); |
STp | 1588 | drivers/scsi/st.c | (STp->buffer)->b_data[10] = (ltmp >> 8); |
STp | 1589 | drivers/scsi/st.c | (STp->buffer)->b_data[11] = ltmp; |
STp | 1595 | drivers/scsi/st.c | (STp->buffer)->b_data[9] * 65536 + |
STp | 1596 | drivers/scsi/st.c | (STp->buffer)->b_data[10] * 256 + |
STp | 1597 | drivers/scsi/st.c | (STp->buffer)->b_data[11]); |
STp | 1600 | drivers/scsi/st.c | (STp->buffer)->b_data[4]); |
STp | 1603 | drivers/scsi/st.c | ((STp->buffer)->b_data[2] >> 4) & 7); |
STp | 1612 | drivers/scsi/st.c | SCpnt = allocate_device(NULL, STp->device, 1); |
STp | 1616 | drivers/scsi/st.c | (void *) cmd, (void *) (STp->buffer)->b_data, datalen, |
STp | 1623 | drivers/scsi/st.c | if (SCpnt->request.dev == dev) sleep_on( &(STp->waiting) ); |
STp | 1627 | drivers/scsi/st.c | ioctl_result = (STp->buffer)->last_result_fatal; |
STp | 1632 | drivers/scsi/st.c | STp->moves_after_eof = 0; |
STp | 1634 | drivers/scsi/st.c | STp->moves_after_eof = 1; |
STp | 1637 | drivers/scsi/st.c | STp->drv_block = blkno; |
STp | 1638 | drivers/scsi/st.c | (STp->mt_status)->mt_fileno = fileno; |
STp | 1639 | drivers/scsi/st.c | STp->at_sm = at_sm; |
STp | 1642 | drivers/scsi/st.c | STp->drv_block = (STp->mt_status)->mt_fileno = (-1); |
STp | 1643 | drivers/scsi/st.c | STp->at_sm = 0; |
STp | 1650 | drivers/scsi/st.c | STp->block_size = arg; |
STp | 1652 | drivers/scsi/st.c | (STp->buffer)->buffer_blocks = |
STp | 1653 | drivers/scsi/st.c | st_buffer_size / STp->block_size; |
STp | 1654 | drivers/scsi/st.c | (STp->buffer)->buffer_size = |
STp | 1655 | drivers/scsi/st.c | (STp->buffer)->buffer_blocks * STp->block_size; |
STp | 1658 | drivers/scsi/st.c | (STp->buffer)->buffer_blocks = 1; |
STp | 1659 | drivers/scsi/st.c | (STp->buffer)->buffer_size = st_buffer_size; |
STp | 1661 | drivers/scsi/st.c | (STp->buffer)->buffer_bytes = |
STp | 1662 | drivers/scsi/st.c | (STp->buffer)->read_pointer = 0; |
STp | 1665 | drivers/scsi/st.c | STp->drv_buffer = (arg & 7); |
STp | 1667 | drivers/scsi/st.c | STp->density = arg; |
STp | 1669 | drivers/scsi/st.c | STp->eof = ST_EOD; |
STp | 1670 | drivers/scsi/st.c | STp->eof_hit = 0; |
STp | 1673 | drivers/scsi/st.c | STp->eof = ST_NOEOF; |
STp | 1674 | drivers/scsi/st.c | STp->eof_hit = 0; |
STp | 1680 | drivers/scsi/st.c | STp->eof = ST_EOM_OK; |
STp | 1681 | drivers/scsi/st.c | STp->eof_hit = 0; |
STp | 1682 | drivers/scsi/st.c | STp->drv_block = 0; |
STp | 1691 | drivers/scsi/st.c | (STp->mt_status)->mt_fileno = fileno - undone ; |
STp | 1693 | drivers/scsi/st.c | (STp->mt_status)->mt_fileno = fileno; |
STp | 1694 | drivers/scsi/st.c | STp->drv_block = 0; |
STp | 1697 | drivers/scsi/st.c | (STp->mt_status)->mt_fileno = fileno + undone ; |
STp | 1698 | drivers/scsi/st.c | STp->drv_block = 0; |
STp | 1702 | drivers/scsi/st.c | (STp->mt_status)->mt_fileno++; |
STp | 1703 | drivers/scsi/st.c | STp->drv_block = 0; |
STp | 1707 | drivers/scsi/st.c | STp->drv_block = blkno - undone; |
STp | 1709 | drivers/scsi/st.c | STp->drv_block = (-1); |
STp | 1714 | drivers/scsi/st.c | (STp->mt_status)->mt_fileno--; |
STp | 1715 | drivers/scsi/st.c | STp->drv_block = (-1); |
STp | 1719 | drivers/scsi/st.c | STp->drv_block = blkno + undone; |
STp | 1721 | drivers/scsi/st.c | STp->drv_block = (-1); |
STp | 1725 | drivers/scsi/st.c | (STp->mt_status)->mt_fileno = (-1); |
STp | 1726 | drivers/scsi/st.c | STp->drv_block = (-1); |
STp | 1728 | drivers/scsi/st.c | if (STp->eof == ST_NOEOF && |
STp | 1730 | drivers/scsi/st.c | STp->eof = ST_EOD; |
STp | 1749 | drivers/scsi/st.c | Scsi_Tape *STp; |
STp | 1753 | drivers/scsi/st.c | STp = &(scsi_tapes[dev]); |
STp | 1755 | drivers/scsi/st.c | if (debugging && !STp->in_use) { |
STp | 1781 | drivers/scsi/st.c | STp->rw = ST_IDLE; /* Prevent automatic WEOF */ |
STp | 1797 | drivers/scsi/st.c | (STp->mt_status)->mt_dsreg = |
STp | 1798 | drivers/scsi/st.c | ((STp->block_size << MT_ST_BLKSIZE_SHIFT) & MT_ST_BLKSIZE_MASK) | |
STp | 1799 | drivers/scsi/st.c | ((STp->density << MT_ST_DENSITY_SHIFT) & MT_ST_DENSITY_MASK); |
STp | 1800 | drivers/scsi/st.c | (STp->mt_status)->mt_blkno = STp->drv_block; |
STp | 1801 | drivers/scsi/st.c | if (STp->block_size != 0) { |
STp | 1802 | drivers/scsi/st.c | if (STp->rw == ST_WRITING) |
STp | 1803 | drivers/scsi/st.c | (STp->mt_status)->mt_blkno += |
STp | 1804 | drivers/scsi/st.c | (STp->buffer)->buffer_bytes / STp->block_size; |
STp | 1805 | drivers/scsi/st.c | else if (STp->rw == ST_READING) |
STp | 1806 | drivers/scsi/st.c | (STp->mt_status)->mt_blkno -= ((STp->buffer)->buffer_bytes + |
STp | 1807 | drivers/scsi/st.c | STp->block_size - 1) / STp->block_size; |
STp | 1810 | drivers/scsi/st.c | (STp->mt_status)->mt_gstat = 0; |
STp | 1811 | drivers/scsi/st.c | if (STp->drv_write_prot) |
STp | 1812 | drivers/scsi/st.c | (STp->mt_status)->mt_gstat |= GMT_WR_PROT(0xffffffff); |
STp | 1813 | drivers/scsi/st.c | if ((STp->mt_status)->mt_blkno == 0) { |
STp | 1814 | drivers/scsi/st.c | if ((STp->mt_status)->mt_fileno == 0) |
STp | 1815 | drivers/scsi/st.c | (STp->mt_status)->mt_gstat |= GMT_BOT(0xffffffff); |
STp | 1817 | drivers/scsi/st.c | (STp->mt_status)->mt_gstat |= GMT_EOF(0xffffffff); |
STp | 1819 | drivers/scsi/st.c | if (STp->eof == ST_EOM_OK || STp->eof == ST_EOM_ERROR) |
STp | 1820 | drivers/scsi/st.c | (STp->mt_status)->mt_gstat |= GMT_EOT(0xffffffff); |
STp | 1821 | drivers/scsi/st.c | else if (STp->eof == ST_EOD) |
STp | 1822 | drivers/scsi/st.c | (STp->mt_status)->mt_gstat |= GMT_EOD(0xffffffff); |
STp | 1823 | drivers/scsi/st.c | if (STp->density == 1) |
STp | 1824 | drivers/scsi/st.c | (STp->mt_status)->mt_gstat |= GMT_D_800(0xffffffff); |
STp | 1825 | drivers/scsi/st.c | else if (STp->density == 2) |
STp | 1826 | drivers/scsi/st.c | (STp->mt_status)->mt_gstat |= GMT_D_1600(0xffffffff); |
STp | 1827 | drivers/scsi/st.c | else if (STp->density == 3) |
STp | 1828 | drivers/scsi/st.c | (STp->mt_status)->mt_gstat |= GMT_D_6250(0xffffffff); |
STp | 1829 | drivers/scsi/st.c | if (STp->ready == ST_READY) |
STp | 1830 | drivers/scsi/st.c | (STp->mt_status)->mt_gstat |= GMT_ONLINE(0xffffffff); |
STp | 1831 | drivers/scsi/st.c | if (STp->ready == ST_NO_TAPE) |
STp | 1832 | drivers/scsi/st.c | (STp->mt_status)->mt_gstat |= GMT_DR_OPEN(0xffffffff); |
STp | 1833 | drivers/scsi/st.c | if (STp->at_sm) |
STp | 1834 | drivers/scsi/st.c | (STp->mt_status)->mt_gstat |= GMT_SM(0xffffffff); |
STp | 1836 | drivers/scsi/st.c | memcpy_tofs((char *)arg, (char *)(STp->mt_status), |
STp | 1839 | drivers/scsi/st.c | (STp->mt_status)->mt_erreg = 0; /* Clear after read */ |
STp | 1843 | drivers/scsi/st.c | if (STp->ready != ST_READY) |
STp | 1860 | drivers/scsi/st.c | SCpnt = allocate_device(NULL, STp->device, 1); |
STp | 1864 | drivers/scsi/st.c | if ((STp->device)->scsi_level < SCSI_2) { |
STp | 1875 | drivers/scsi/st.c | (void *) scmd, (void *) (STp->buffer)->b_data, |
STp | 1882 | drivers/scsi/st.c | if (SCpnt->request.dev == dev) sleep_on( &(STp->waiting) ); |
STp | 1886 | drivers/scsi/st.c | if ((STp->buffer)->last_result_fatal != 0) { |
STp | 1896 | drivers/scsi/st.c | if ((STp->device)->scsi_level < SCSI_2) |
STp | 1897 | drivers/scsi/st.c | mt_pos.mt_blkno = ((STp->buffer)->b_data[0] << 16) |
STp | 1898 | drivers/scsi/st.c | + ((STp->buffer)->b_data[1] << 8) |
STp | 1899 | drivers/scsi/st.c | + (STp->buffer)->b_data[2]; |
STp | 1901 | drivers/scsi/st.c | mt_pos.mt_blkno = ((STp->buffer)->b_data[4] << 24) |
STp | 1902 | drivers/scsi/st.c | + ((STp->buffer)->b_data[5] << 16) |
STp | 1903 | drivers/scsi/st.c | + ((STp->buffer)->b_data[6] << 8) |
STp | 1904 | drivers/scsi/st.c | + (STp->buffer)->b_data[7]; |
STp | 1913 | drivers/scsi/st.c | else if (STp->ready == ST_READY) |
STp | 1914 | drivers/scsi/st.c | return scsi_ioctl(STp->device, cmd_in, (void *) arg); |
STp | 1993 | drivers/scsi/st.c | Scsi_Tape * STp; |
STp | 2018 | drivers/scsi/st.c | STp = &(scsi_tapes[i]); |
STp | 2019 | drivers/scsi/st.c | STp->device = NULL; |
STp | 2020 | drivers/scsi/st.c | STp->capacity = 0xfffff; |
STp | 2021 | drivers/scsi/st.c | STp->dirty = 0; |
STp | 2022 | drivers/scsi/st.c | STp->rw = ST_IDLE; |
STp | 2023 | drivers/scsi/st.c | STp->eof = ST_NOEOF; |
STp | 2024 | drivers/scsi/st.c | STp->waiting = NULL; |
STp | 2025 | drivers/scsi/st.c | STp->in_use = 0; |
STp | 2026 | drivers/scsi/st.c | STp->drv_buffer = 1; /* Try buffering if no mode sense */ |
STp | 2027 | drivers/scsi/st.c | STp->density = 0; |
STp | 2028 | drivers/scsi/st.c | STp->do_buffer_writes = ST_BUFFER_WRITES; |
STp | 2029 | drivers/scsi/st.c | STp->do_async_writes = ST_ASYNC_WRITES; |
STp | 2030 | drivers/scsi/st.c | STp->do_read_ahead = ST_READ_AHEAD; |
STp | 2031 | drivers/scsi/st.c | STp->two_fm = ST_TWO_FM; |
STp | 2032 | drivers/scsi/st.c | STp->fast_mteom = ST_FAST_MTEOM; |
STp | 2033 | drivers/scsi/st.c | STp->write_threshold = st_write_threshold; |
STp | 2034 | drivers/scsi/st.c | STp->drv_block = 0; |
STp | 2035 | drivers/scsi/st.c | STp->moves_after_eof = 1; |
STp | 2036 | drivers/scsi/st.c | STp->at_sm = 0; |
STp | 2037 | drivers/scsi/st.c | STp->mt_status = (struct mtget *) scsi_init_malloc(sizeof(struct mtget), GFP_ATOMIC); |