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Diffstat (limited to 'kernel/Documentation/scsi/ChangeLog.1992-1997')
| -rw-r--r-- | kernel/Documentation/scsi/ChangeLog.1992-1997 | 2023 |
1 files changed, 2023 insertions, 0 deletions
diff --git a/kernel/Documentation/scsi/ChangeLog.1992-1997 b/kernel/Documentation/scsi/ChangeLog.1992-1997 new file mode 100644 index 000000000..6faad7e64 --- /dev/null +++ b/kernel/Documentation/scsi/ChangeLog.1992-1997 @@ -0,0 +1,2023 @@ +Sat Jan 18 15:51:45 1997 Richard Henderson <rth@tamu.edu> + + * Don't play with usage_count directly, instead hand around + the module header and use the module macros. + +Fri May 17 00:00:00 1996 Leonard N. Zubkoff <lnz@dandelion.com> + + * BusLogic Driver Version 2.0.3 Released. + +Tue Apr 16 21:00:00 1996 Leonard N. Zubkoff <lnz@dandelion.com> + + * BusLogic Driver Version 1.3.2 Released. + +Sun Dec 31 23:26:00 1995 Leonard N. Zubkoff <lnz@dandelion.com> + + * BusLogic Driver Version 1.3.1 Released. + +Fri Nov 10 15:29:49 1995 Leonard N. Zubkoff <lnz@dandelion.com> + + * Released new BusLogic driver. + +Wed Aug 9 22:37:04 1995 Andries Brouwer <aeb@cwi.nl> + + As a preparation for new device code, separated the various + functions the request->dev field had into the device proper, + request->rq_dev and a status field request->rq_status. + + The 2nd argument of bios_param is now a kdev_t. + +Wed Jul 19 10:43:15 1995 Michael Neuffer <neuffer@goofy.zdv.uni-mainz.de> + + * scsi.c (scsi_proc_info): /proc/scsi/scsi now also lists all + attached devices. + + * scsi_proc.c (proc_print_scsidevice): Added. Used by scsi.c and + eata_dma_proc.c to produce some device info for /proc/scsi. + + * eata_dma.c (eata_queue)(eata_int_handler)(eata_scsi_done): + Changed handling of internal SCSI commands send to the HBA. + + +Wed Jul 19 10:09:17 1995 Michael Neuffer <neuffer@goofy.zdv.uni-mainz.de> + + * Linux 1.3.11 released. + + * eata_dma.c (eata_queue)(eata_int_handler): Added code to do + command latency measurements if requested by root through + /proc/scsi interface. + Throughout Use HZ constant for time references. + + * eata_pio.c: Use HZ constant for time references. + + * aic7xxx.c, aic7xxx.h, aic7xxx_asm.c: Changed copyright from BSD + to GNU style. + + * scsi.h: Added READ_12 command opcode constant + +Wed Jul 19 09:25:30 1995 Michael Neuffer <neuffer@goofy.zdv.uni-mainz.de> + + * Linux 1.3.10 released. + + * scsi_proc.c (dispatch_scsi_info): Removed unused variable. + +Wed Jul 19 09:25:30 1995 Michael Neuffer <neuffer@goofy.zdv.uni-mainz.de> + + * Linux 1.3.9 released. + + * scsi.c Blacklist concept expanded to 'support' more device + deficiencies. blacklist[] renamed to device_list[] + (scan_scsis): Code cleanup. + + * scsi_debug.c (scsi_debug_proc_info): Added support to control + device lockup simulation via /proc/scsi interface. + + +Wed Jul 19 09:22:34 1995 Michael Neuffer <neuffer@goofy.zdv.uni-mainz.de> + + * Linux 1.3.7 released. + + * scsi_proc.c: Fixed a number of bugs in directory handling + +Wed Jul 19 09:18:28 1995 Michael Neuffer <neuffer@goofy.zdv.uni-mainz.de> + + * Linux 1.3.5 released. + + * Native wide, multichannel and /proc/scsi support now in official + kernel distribution. + + * scsi.c/h, hosts.c/h et al reindented to increase readability + (especially on 80 column wide terminals). + + * scsi.c, scsi_proc.c, ../../fs/proc/inode.c: Added + /proc/scsi/scsi which allows root to scan for hotplugged devices. + + * scsi.c (scsi_proc_info): Added, to support /proc/scsi/scsi. + (scan_scsis): Added some 'spaghetti' code to allow scanning for + single devices. + + +Thu Jun 20 15:20:27 1995 Michael Neuffer <neuffer@goofy.zdv.uni-mainz.de> + + * proc.c: Renamed to scsi_proc.c + +Mon Jun 12 20:32:45 1995 Michael Neuffer <neuffer@goofy.zdv.uni-mainz.de> + + * Linux 1.3.0 released. + +Mon May 15 19:33:14 1995 Michael Neuffer <neuffer@goofy.zdv.uni-mainz.de> + + * scsi.c: Added native multichannel and wide scsi support. + + * proc.c (dispatch_scsi_info) (build_proc_dir_hba_entries): + Updated /proc/scsi interface. + +Thu May 4 17:58:48 1995 Michael Neuffer <neuffer@goofy.zdv.uni-mainz.de> + + * sd.c (requeue_sd_request): Zero out the scatterlist only if + scsi_malloc returned memory for it. + + * eata_dma.c (register_HBA) (eata_queue): Add support for + large scatter/gather tables and set use_clustering accordingly + + * hosts.c: Make use_clustering changeable in the Scsi_Host structure. + +Wed Apr 12 15:25:52 1995 Eric Youngdale (eric@andante) + + * Linux 1.2.5 released. + + * buslogic.c: Update to version 1.15 (From Leonard N. Zubkoff). + Fixed interrupt routine to avoid races when handling multiple + complete commands per interrupt. Seems to come up with faster + cards. + + * eata_dma.c: Update to 2.3.5r. Modularize. Improved error handling + throughout and fixed bug interrupt routine which resulted in shifted + status bytes. Added blink LED state checks for ISA and EISA HBAs. + Memory management bug seems to have disappeared ==> increasing + C_P_L_CURRENT_MAX to 16 for now. Decreasing C_P_L_DIV to 3 for + performance reasons. + + * scsi.c: If we get a FMK, EOM, or ILI when attempting to scan + the bus, assume that it was just noise on the bus, and ignore + the device. + + * scsi.h: Update and add a bunch of missing commands which we + were never using. + + * sd.c: Use restore_flags in do_sd_request - this may result in + latency conditions, but it gets rid of races and crashes. + Do not save flags again when searching for a second command to + queue. + + * st.c: Use bytes, not STP->buffer->buffer_size when reading + from tape. + + +Tue Apr 4 09:42:08 1995 Eric Youngdale (eric@andante) + + * Linux 1.2.4 released. + + * st.c: Fix typo - restoring wrong flags. + +Wed Mar 29 06:55:12 1995 Eric Youngdale (eric@andante) + + * Linux 1.2.3 released. + + * st.c: Perform some waiting operations with interrupts off. + Is this correct??? + +Wed Mar 22 10:34:26 1995 Eric Youngdale (eric@andante) + + * Linux 1.2.2 released. + + * aha152x.c: Modularize. Add support for PCMCIA. + + * eata.c: Update to version 2.0. Fixed bug preventing media + detection. If scsi_register_host returns NULL, fail gracefully. + + * scsi.c: Detect as NEC (for photo-cd purposes) for the 84 + and 25 models as "NEC_OLDCDR". + + * scsi.h: Add define for NEC_OLDCDR + + * sr.c: Add handling for NEC_OLDCDR. Treat as unknown. + + * u14-34f.c: Update to version 2.0. Fixed same bug as in + eata.c. + + +Mon Mar 6 11:11:20 1995 Eric Youngdale (eric@andante) + + * Linux 1.2.0 released. Yeah!!! + + * Minor spelling/punctuation changes throughout. Nothing + substantive. + +Mon Feb 20 21:33:03 1995 Eric Youngdale (eric@andante) + + * Linux 1.1.95 released. + + * qlogic.c: Update to version 0.41. + + * seagate.c: Change some message to be more descriptive about what + we detected. + + * sr.c: spelling/whitespace changes. + +Mon Feb 20 21:33:03 1995 Eric Youngdale (eric@andante) + + * Linux 1.1.94 released. + +Mon Feb 20 08:57:17 1995 Eric Youngdale (eric@andante) + + * Linux 1.1.93 released. + + * hosts.h: Change io_port to long int from short. + + * 53c7,8xx.c: crash on AEN fixed, SCSI reset is no longer a NOP, + NULL pointer panic on odd UDCs fixed, two bugs in diagnostic output + fixed, should initialize correctly if left running, now loadable, + new memory allocation, extraneous diagnostic output suppressed, + splx() replaced with save/restore flags. [ Drew ] + + * hosts.c, hosts.h, scsi_ioctl.c, sd.c, sd_ioctl.c, sg.c, sr.c, + sr_ioctl.c: Add special junk at end that Emacs will use for + formatting the file. + + * qlogic.c: Update to v0.40a. Improve parity handling. + + * scsi.c: Add Hitachi DK312C to blacklist. Change "};" to "}" in + many places. Use scsi_init_malloc to get command block - may + need this to be dma compatible for some host adapters. + Restore interrupts after unregistering a host. + + * sd.c: Use sti instead of restore flags - causes latency problems. + + * seagate.c: Use controller_type to determine string used when + registering irq. + + * sr.c: More photo-cd hacks to make sure we get the xa stuff right. + * sr.h, sr.c: Change is_xa to xa_flags field. + + * st.c: Disable retries for write operations. + +Wed Feb 15 10:52:56 1995 Eric Youngdale (eric@andante) + + * Linux 1.1.92 released. + + * eata.c: Update to 1.17. + + * eata_dma.c: Update to 2.31a. Add more support for /proc/scsi. + Continuing modularization. Less crashes because of the bug in the + memory management ==> increase C_P_L_CURRENT_MAX to 10 + and decrease C_P_L_DIV to 4. + + * hosts.c: If we remove last host registered, reuse host number. + When freeing memory from host being deregistered, free extra_bytes + too. + + * scsi.c (scan_scsis): memset(SDpnt, 0) and set SCmd.device to SDpnt. + Change memory allocation to work around bugs in __get_dma_pages. + Do not free host if usage count is not zero (for modules). + + * sr_ioctl.c: Increase IOCTL_TIMEOUT to 3000. + + * st.c: Allow for ST_EXTRA_DEVS in st data structures. + + * u14-34f.c: Update to 1.17. + +Thu Feb 9 10:11:16 1995 Eric Youngdale (eric@andante) + + * Linux 1.1.91 released. + + * eata.c: Update to 1.16. Use wish_block instead of host->block. + + * hosts.c: Initialize wish_block to 0. + + * hosts.h: Add wish_block. + + * scsi.c: Use wish_block as indicator that the host should be added + to block list. + + * sg.c: Add SG_EXTRA_DEVS to number of slots. + + * u14-34f.c: Use wish_block. + +Tue Feb 7 11:46:04 1995 Eric Youngdale (eric@andante) + + * Linux 1.1.90 released. + + * eata.c: Change naming from eata_* to eata2x_*. Now at vers 1.15. + Update interrupt handler to take pt_regs as arg. Allow blocking + even if loaded as module. Initialize target_time_out array. + Do not put sti(); in timing loop. + + * hosts.c: Do not reuse host numbers. + Use scsi_make_blocked_list to generate blocking list. + + * script_asm.pl: Beats me. Don't know perl. Something to do with + phase index. + + * scsi.c (scsi_make_blocked_list): New function - code copied from + hosts.c. + + * scsi.c: Update code to disable photo CD for Toshiba cdroms. + Use just manufacturer name, not model number. + + * sr.c: Fix setting density for Toshiba drives. + + * u14-34f.c: Clear target_time_out array during reset. + +Wed Feb 1 09:20:45 1995 Eric Youngdale (eric@andante) + + * Linux 1.1.89 released. + + * Makefile, u14-34f.c: Modularize. + + * Makefile, eata.c: Modularize. Now version 1.14 + + * NCR5380.c: Update interrupt handler with new arglist. Minor + cleanups. + + * eata_dma.c: Begin to modularize. Add hooks for /proc/scsi. + New version 2.3.0a. Add code in interrupt handler to allow + certain CDROM drivers to be detected which return a + CHECK_CONDITION during SCSI bus scan. Add opcode check to get + all DATA IN and DATA OUT phases right. Utilize HBA_interpret flag. + Improvements in HBA identification. Various other minor stuff. + + * hosts.c: Initialize ->dma_channel and ->io_port when registering + a new host. + + * qlogic.c: Modularize and add PCMCIA support. + + * scsi.c: Add Hitachi to blacklist. + + * scsi.c: Change default to no lun scan (too many problem devices). + + * scsi.h: Define QUEUE_FULL condition. + + * sd.c: Do not check for non-existent partition until after + new media check. + + * sg.c: Undo previous change which was wrong. + + * sr_ioctl.c: Increase IOCTL_TIMEOUT to 2000. + + * st.c: Patches from Kai - improve filemark handling. + +Tue Jan 31 17:32:12 1995 Eric Youngdale (eric@andante) + + * Linux 1.1.88 released. + + * Throughout - spelling/grammar fixups. + + * scsi.c: Make sure that all buffers are 16 byte aligned - some + drivers (buslogic) need this. + + * scsi.c (scan_scsis): Remove message printed. + + * scsi.c (scsi_init): Move message here. + +Mon Jan 30 06:40:25 1995 Eric Youngdale (eric@andante) + + * Linux 1.1.87 released. + + * sr.c: Photo-cd related changes. (Gerd Knorr??). + + * st.c: Changes from Kai related to EOM detection. + +Mon Jan 23 23:53:10 1995 Eric Youngdale (eric@andante) + + * Linux 1.1.86 released. + + * 53c7,8xx.h: Change SG size to 127. + + * eata_dma: Update to version 2.10i. Remove bug in the registration + of multiple HBAs and channels. Minor other improvements and stylistic + changes. + + * scsi.c: Test for Toshiba XM-3401TA and exclude from detection + as toshiba drive - photo cd does not work with this drive. + + * sr.c: Update photocd code. + +Mon Jan 23 23:53:10 1995 Eric Youngdale (eric@andante) + + * Linux 1.1.85 released. + + * st.c, st_ioctl.c, sg.c, sd_ioctl.c, scsi_ioctl.c, hosts.c: + include linux/mm.h + + * qlogic.c, buslogic.c, aha1542.c: Include linux/module.h. + +Sun Jan 22 22:08:46 1995 Eric Youngdale (eric@andante) + + * Linux 1.1.84 released. + + * Makefile: Support for loadable QLOGIC boards. + + * aha152x.c: Update to version 1.8 from Juergen. + + * eata_dma.c: Update from Michael Neuffer. + Remove hard limit of 2 commands per lun and make it better + configurable. Improvements in HBA identification. + + * in2000.c: Fix biosparam to support large disks. + + * qlogic.c: Minor changes (change sti -> restore_flags). + +Wed Jan 18 23:33:09 1995 Eric Youngdale (eric@andante) + + * Linux 1.1.83 released. + + * aha1542.c(aha1542_intr_handle): Use arguments handed down to find + which irq. + + * buslogic.c: Likewise. + + * eata_dma.c: Use min of 2 cmd_per_lun for OCS_enabled boards. + + * scsi.c: Make RECOVERED_ERROR a SUGGEST_IS_OK. + + * sd.c: Fail if we are opening a non-existent partition. + + * sr.c: Bump SR_TIMEOUT to 15000. + Do not probe for media size at boot time(hard on changers). + Flag device as needing sector size instead. + + * sr_ioctl.c: Remove CDROMMULTISESSION_SYS ioctl. + + * ultrastor.c: Fix bug in call to ultrastor_interrupt (wrong #args). + +Mon Jan 16 07:18:23 1995 Eric Youngdale (eric@andante) + + * Linux 1.1.82 released. + + Throughout. + - Change all interrupt handlers to accept new calling convention. + In particular, we now receive the irq number as one of the arguments. + + * More minor spelling corrections in some of the new files. + + * aha1542.c, buslogic.c: Clean up interrupt handler a little now + that we receive the irq as an arg. + + * aha274x.c: s/snarf_region/request_region/ + + * eata.c: Update to version 1.12. Fix some comments and display a + message if we cannot reserve the port addresses. + + * u14-34f.c: Update to version 1.13. Fix some comments and display a + message if we cannot reserve the port addresses. + + * eata_dma.c: Define get_board_data function (send INQUIRY command). + Use to improve detection of variants of different DPT boards. Change + version subnumber to "0g". + + * fdomain.c: Update to version 5.26. Improve detection of some boards + repackaged by IBM. + + * scsi.c (scsi_register_host): Change "name" to const char *. + + * sr.c: Fix problem in set mode command for Toshiba drives. + + * sr.c: Fix typo from patch 81. + +Fri Jan 13 12:54:46 1995 Eric Youngdale (eric@andante) + + * Linux 1.1.81 released. Codefreeze for 1.2 release announced. + + Big changes here. + + * eata_dma.*: New files from Michael Neuffer. + (neuffer@goofy.zdv.uni-mainz.de). Should support + all eata/dpt cards. + + * hosts.c, Makefile: Add eata_dma. + + * README.st: Document MTEOM. + + Patches from me (ERY) to finish support for low-level loadable scsi. + It now works, and is actually useful. + + * Throughout - add new argument to scsi_init_malloc that takes an + additional parameter. This is used as a priority to kmalloc, + and you can specify the GFP_DMA flag if you need DMA-able memory. + + * Makefile: For source files that are loadable, always add name + to SCSI_SRCS. Fill in modules: target. + + * hosts.c: Change next_host to next_scsi_host, and make global. + Print hosts after we have identified all of them. Use info() + function if present, otherwise use name field. + + * hosts.h: Change attach function to return int, not void. + Define number of device slots to allow for loadable devices. + Define tags to tell scsi module code what type of module we + are loading. + + * scsi.c: Fix scan_scsis so that it can be run by a user process. + Do not use waiting loops - use up and down mechanism as long + as current != task[0]. + + * scsi.c(scan_scsis): Do not use stack variables for I/O - this + could be > 16Mb if we are loading a module at runtime (i.e. use + scsi_init_malloc to get some memory we know will be safe). + + * scsi.c: Change dma freelist to be a set of pages. This allows + us to dynamically adjust the size of the list by adding more pages + to the pagelist. Fix scsi_malloc and scsi_free accordingly. + + * scsi_module.c: Fix include. + + * sd.c: Declare detach function. Increment/decrement module usage + count as required. Fix init functions to allow loaded devices. + Revalidate all new disks so we get the partition tables. Define + detach function. + + * sr.c: Likewise. + + * sg.c: Declare detach function. Allow attachment of devices on + loaded drivers. + + * st.c: Declare detach function. Increment/decrement module usage + count as required. + +Tue Jan 10 10:09:58 1995 Eric Youngdale (eric@andante) + + * Linux 1.1.79 released. + + Patch from some undetermined individual who needs to get a life :-). + + * sr.c: Attacked by spelling bee... + + Patches from Gerd Knorr: + + * sr.c: make printk messages for photoCD a little more informative. + + * sr_ioctl.c: Fix CDROMMULTISESSION_SYS ioctl. + +Mon Jan 9 10:01:37 1995 Eric Youngdale (eric@andante) + + * Linux 1.1.78 released. + + * Makefile: Add empty modules: target. + + * Wheee. Now change register_iomem to request_region. + + * in2000.c: Bugfix - apparently this is the fix that we have + all been waiting for. It fixes a problem whereby the driver + is not stable under heavy load. Race condition and all that. + Patch from Peter Lu. + +Wed Jan 4 21:17:40 1995 Eric Youngdale (eric@andante) + + * Linux 1.1.77 released. + + * 53c7,8xx.c: Fix from Linus - emulate splx. + + Throughout: + + Change "snarf_region" with "register_iomem". + + * scsi_module.c: New file. Contains support for low-level loadable + scsi drivers. [ERY]. + + * sd.c: More s/int/long/ changes. + + * seagate.c: Explicitly include linux/config.h + + * sg.c: Increment/decrement module usage count on open/close. + + * sg.c: Be a bit more careful about the user not supplying enough + information for a valid command. Pass correct size down to + scsi_do_cmd. + + * sr.c: More changes for Photo-CD. This apparently breaks NEC drives. + + * sr_ioctl.c: Support CDROMMULTISESSION ioctl. + + +Sun Jan 1 19:55:21 1995 Eric Youngdale (eric@andante) + + * Linux 1.1.76 released. + + * constants.c: Add type cast in switch statement. + + * scsi.c (scsi_free): Change datatype of "offset" to long. + (scsi_malloc): Change a few more variables to long. Who + did this and why was it important? 64 bit machines? + + + Lots of changes to use save_state/restore_state instead of cli/sti. + Files changed include: + + * aha1542.c: + * aha1740.c: + * buslogic.c: + * in2000.c: + * scsi.c: + * scsi_debug.c: + * sd.c: + * sr.c: + * st.c: + +Wed Dec 28 16:38:29 1994 Eric Youngdale (eric@andante) + + * Linux 1.1.75 released. + + * buslogic.c: Spelling fix. + + * scsi.c: Add HP C1790A and C2500A scanjet to blacklist. + + * scsi.c: Spelling fixup. + + * sd.c: Add support for sd_hardsizes (hard sector sizes). + + * ultrastor.c: Use save_flags/restore_flags instead of cli/sti. + +Fri Dec 23 13:36:25 1994 Eric Youngdale (eric@andante) + + * Linux 1.1.74 released. + + * README.st: Update from Kai Makisara. + + * eata.c: New version from Dario - version 1.11. + use scsicam bios_param routine. Add support for 2011 + and 2021 boards. + + * hosts.c: Add support for blocking. Linked list automatically + generated when shpnt->block is set. + + * scsi.c: Add sankyo & HP scanjet to blacklist. Add support for + kicking things loose when we deadlock. + + * scsi.c: Recognize scanners and processors in scan_scsis. + + * scsi_ioctl.h: Increase timeout to 9 seconds. + + * st.c: New version from Kai - add better support for backspace. + + * u14-34f.c: New version from Dario. Supports blocking. + +Wed Dec 14 14:46:30 1994 Eric Youngdale (eric@andante) + + * Linux 1.1.73 released. + + * buslogic.c: Update from Dave Gentzel. Version 1.14. + Add module related stuff. More fault tolerant if out of + DMA memory. + + * fdomain.c: New version from Rik Faith - version 5.22. Add support + for ISA-200S SCSI adapter. + + * hosts.c: Spelling. + + * qlogic.c: Update to version 0.38a. Add more support for PCMCIA. + + * scsi.c: Mask device type with 0x1f during scan_scsis. + Add support for deadlocking, err, make that getting out of + deadlock situations that are created when we allow the user + to limit requests to one host adapter at a time. + + * scsi.c: Bugfix - pass pid, not SCpnt as second arg to + scsi_times_out. + + * scsi.c: Restore interrupt state to previous value instead of using + cli/sti pairs. + + * scsi.c: Add a bunch of module stuff (all commented out for now). + + * scsi.c: Clean up scsi_dump_status. + +Tue Dec 6 12:34:20 1994 Eric Youngdale (eric@andante) + + * Linux 1.1.72 released. + + * sg.c: Bugfix - always use sg_free, since we might have big buff. + +Fri Dec 2 11:24:53 1994 Eric Youngdale (eric@andante) + + * Linux 1.1.71 released. + + * sg.c: Clear buff field when not in use. Only call scsi_free if + non-null. + + * scsi.h: Call wake_up(&wait_for_request) when done with a + command. + + * scsi.c (scsi_times_out): Pass pid down so that we can protect + against race conditions. + + * scsi.c (scsi_abort): Zero timeout field if we get the + NOT_RUNNING message back from low-level driver. + + + * scsi.c (scsi_done): Restore cmd_len, use_sg here. + + * scsi.c (request_sense): Not here. + + * hosts.h: Add new forbidden_addr, forbidden_size fields. Who + added these and why???? + + * hosts.c (scsi_mem_init): Mark pages as reserved if they fall in + the forbidden regions. I am not sure - I think this is so that + we can deal with boards that do incomplete decoding of their + address lines for the bios chips, but I am not entirely sure. + + * buslogic.c: Set forbidden_addr stuff if using a buggy board. + + * aha1740.c: Test for NULL pointer in SCtmp. This should not + occur, but a nice message is better than a kernel segfault. + + * 53c7,8xx.c: Add new PCI chip ID for 815. + +Fri Dec 2 11:24:53 1994 Eric Youngdale (eric@andante) + + * Linux 1.1.70 released. + + * ChangeLog, st.c: Spelling. + +Tue Nov 29 18:48:42 1994 Eric Youngdale (eric@andante) + + * Linux 1.1.69 released. + + * u14-34f.h: Non-functional change. [Dario]. + + * u14-34f.c: Use block field in Scsi_Host to prevent commands from + being queued to more than one host at the same time (used when + motherboard does not deal with multiple bus-masters very well). + Only when SINGLE_HOST_OPERATIONS is defined. + Use new cmd_per_lun field. [Dario] + + * eata.c: Likewise. + + * st.c: More changes from Kai. Add ready flag to indicate drive + status. + + * README.st: Document this. + + * sr.c: Bugfix (do not subtract CD_BLOCK_OFFSET) for photo-cd + code. + + * sg.c: Bugfix - fix problem where opcode is not correctly set up. + + * seagate.[c,h]: Use #defines to set driver name. + + * scsi_ioctl.c: Zero buffer before executing command. + + * scsi.c: Use new cmd_per_lun field in Scsi_Hosts as appropriate. + Add Sony CDU55S to blacklist. + + * hosts.h: Add new cmd_per_lun field to Scsi_Hosts. + + * hosts.c: Initialize cmd_per_lun in Scsi_Hosts from template. + + * buslogic.c: Use cmd_per_lun field - initialize to different + values depending upon bus type (i.e. use 1 if ISA, so we do not + hog memory). Use other patches which got lost from 1.1.68. + + * aha1542.c: Spelling. + +Tue Nov 29 15:43:50 1994 Eric Youngdale (eric@andante.aib.com) + + * Linux 1.1.68 released. + + Add support for 12 byte vendor specific commands in scsi-generics, + more (i.e. the last mandatory) low-level changes to support + loadable modules, plus a few other changes people have requested + lately. Changes by me (ERY) unless otherwise noted. Spelling + changes appear from some unknown corner of the universe. + + * Throughout: Change COMMAND_SIZE() to use SCpnt->cmd_len. + + * Throughout: Change info() low level function to take a Scsi_Host + pointer. This way the info function can return specific + information about the host in question, if desired. + + * All low-level drivers: Add NULL in initializer for the + usage_count field added to Scsi_Host_Template. + + * aha152x.[c,h]: Remove redundant info() function. + + * aha1542.[c,h]: Likewise. + + * aha1740.[c,h]: Likewise. + + * aha274x.[c,h]: Likewise. + + * eata.[c,h]: Likewise. + + * pas16.[c,h]: Likewise. + + * scsi_debug.[c,h]: Likewise. + + * t128.[c,h]: Likewise. + + * u14-34f.[c,h]: Likewise. + + * ultrastor.[c,h]: Likewise. + + * wd7000.[c,h]: Likewise. + + * aha1542.c: Add support for command line options with lilo to set + DMA parameters, I/O port. From Matt Aarnio. + + * buslogic.[c,h]: New version (1.13) from Dave Gentzel. + + * hosts.h: Add new field to Scsi_Hosts "block" to allow blocking + all I/O to certain other cards. Helps prevent problems with some + ISA motherboards. + + * hosts.h: Add usage_count to Scsi_Host_Template. + + * hosts.h: Add n_io_port to Scsi_Host (used when releasing module). + + * hosts.c: Initialize block field. + + * in2000.c: Remove "static" declarations from exported functions. + + * in2000.h: Likewise. + + * scsi.c: Correctly set cmd_len field as required. Save and + change setting when doing a request_sense, restore when done. + Move abort timeout message. Fix panic in request_queueable to + print correct function name. + + * scsi.c: When incrementing usage count, walk block linked list + for host, and or in SCSI_HOST_BLOCK bit. When decrementing usage + count to 0, clear this bit to allow usage to continue, wake up + processes waiting. + + + * scsi_ioctl.c: If we have an info() function, call it, otherwise + if we have a "name" field, use it, else do nothing. + + * sd.c, sr.c: Clear cmd_len field prior to each command we + generate. + + * sd.h: Add "has_part_table" bit to rscsi_disks. + + * sg.[c,h]: Add support for vendor specific 12 byte commands (i.e. + override command length in COMMAND_SIZE). + + * sr.c: Bugfix from Gerd in photocd code. + + * sr.c: Bugfix in get_sectorsize - always use scsi_malloc buffer - + we cannot guarantee that the stack is < 16Mb. + +Tue Nov 22 15:40:46 1994 Eric Youngdale (eric@andante.aib.com) + + * Linux 1.1.67 released. + + * sr.c: Change spelling of manufactor to manufacturer. + + * scsi.h: Likewise. + + * scsi.c: Likewise. + + * qlogic.c: Spelling corrections. + + * in2000.h: Spelling corrections. + + * in2000.c: Update from Bill Earnest, change from + jshiffle@netcom.com. Support new bios versions. + + * README.qlogic: Spelling correction. + +Tue Nov 22 15:40:46 1994 Eric Youngdale (eric@andante.aib.com) + + * Linux 1.1.66 released. + + * u14-34f.c: Spelling corrections. + + * sr.[h,c]: Add support for multi-session CDs from Gerd Knorr. + + * scsi.h: Add manufactor field for keeping track of device + manufacturer. + + * scsi.c: More spelling corrections. + + * qlogic.h, qlogic.c, README.qlogic: New driver from Tom Zerucha. + + * in2000.c, in2000.h: New driver from Brad McLean/Bill Earnest. + + * fdomain.c: Spelling correction. + + * eata.c: Spelling correction. + +Fri Nov 18 15:22:44 1994 Eric Youngdale (eric@andante.aib.com) + + * Linux 1.1.65 released. + + * eata.h: Update version string to 1.08.00. + + * eata.c: Set sg_tablesize correctly for DPT PM2012 boards. + + * aha274x.seq: Spell checking. + + * README.st: Likewise. + + * README.aha274x: Likewise. + + * ChangeLog: Likewise. + +Tue Nov 15 15:35:08 1994 Eric Youngdale (eric@andante.aib.com) + + * Linux 1.1.64 released. + + * u14-34f.h: Update version number to 1.10.01. + + * u14-34f.c: Use Scsi_Host can_queue variable instead of one from template. + + * eata.[c,h]: New driver for DPT boards from Dario Ballabio. + + * buslogic.c: Use can_queue field. + +Wed Nov 30 12:09:09 1994 Eric Youngdale (eric@andante.aib.com) + + * Linux 1.1.63 released. + + * sd.c: Give I/O error if we attempt 512 byte I/O to a disk with + 1024 byte sectors. + + * scsicam.c: Make sure we do read from whole disk (mask off + partition). + + * scsi.c: Use can_queue in Scsi_Host structure. + Fix panic message about invalid host. + + * hosts.c: Initialize can_queue from template. + + * hosts.h: Add can_queue to Scsi_Host structure. + + * aha1740.c: Print out warning about NULL ecbptr. + +Fri Nov 4 12:40:30 1994 Eric Youngdale (eric@andante.aib.com) + + * Linux 1.1.62 released. + + * fdomain.c: Update to version 5.20. (From Rik Faith). Support + BIOS version 3.5. + + * st.h: Add ST_EOD symbol. + + * st.c: Patches from Kai Makisara - support additional densities, + add support for MTFSS, MTBSS, MTWSM commands. + + * README.st: Update to document new commands. + + * scsi.c: Add Mediavision CDR-H93MV to blacklist. + +Sat Oct 29 20:57:36 1994 Eric Youngdale (eric@andante.aib.com) + + * Linux 1.1.60 released. + + * u14-34f.[c,h]: New driver from Dario Ballabio. + + * aic7770.c, aha274x_seq.h, aha274x.seq, aha274x.h, aha274x.c, + README.aha274x: New files, new driver from John Aycock. + + +Tue Oct 11 08:47:39 1994 Eric Youngdale (eric@andante) + + * Linux 1.1.54 released. + + * Add third PCI chip id. [Drew] + + * buslogic.c: Set BUSLOGIC_CMDLUN back to 1 [Eric]. + + * ultrastor.c: Fix asm directives for new GCC. + + * sr.c, sd.c: Use new end_scsi_request function. + + * scsi.h(end_scsi_request): Return pointer to block if still + active, else return NULL if inactive. Fixes race condition. + +Sun Oct 9 20:23:14 1994 Eric Youngdale (eric@andante) + + * Linux 1.1.53 released. + + * scsi.c: Do not allocate dma bounce buffers if we have exactly + 16Mb. + +Fri Sep 9 05:35:30 1994 Eric Youngdale (eric@andante) + + * Linux 1.1.51 released. + + * aha152x.c: Add support for disabling the parity check. Update + to version 1.4. [Juergen]. + + * seagate.c: Tweak debugging message. + +Wed Aug 31 10:15:55 1994 Eric Youngdale (eric@andante) + + * Linux 1.1.50 released. + + * aha152x.c: Add eb800 for Vtech Platinum SMP boards. [Juergen]. + + * scsi.c: Add Quantum PD1225S to blacklist. + +Fri Aug 26 09:38:45 1994 Eric Youngdale (eric@andante) + + * Linux 1.1.49 released. + + * sd.c: Fix bug when we were deleting the wrong entry if we + get an unsupported sector size device. + + * sr.c: Another spelling patch. + +Thu Aug 25 09:15:27 1994 Eric Youngdale (eric@andante) + + * Linux 1.1.48 released. + + * Throughout: Use new semantics for request_dma, as appropriate. + + * sr.c: Print correct device number. + +Sun Aug 21 17:49:23 1994 Eric Youngdale (eric@andante) + + * Linux 1.1.47 released. + + * NCR5380.c: Add support for LIMIT_TRANSFERSIZE. + + * constants.h: Add prototype for print_Scsi_Cmnd. + + * pas16.c: Some more minor tweaks. Test for Mediavision board. + Allow for disks > 1Gb. [Drew??] + + * sr.c: Set SCpnt->transfersize. + +Tue Aug 16 17:29:35 1994 Eric Youngdale (eric@andante) + + * Linux 1.1.46 released. + + * Throughout: More spelling fixups. + + * buslogic.c: Add a few more fixups from Dave. Disk translation + mainly. + + * pas16.c: Add a few patches (Drew?). + + +Thu Aug 11 20:45:15 1994 Eric Youngdale (eric@andante) + + * Linux 1.1.44 released. + + * hosts.c: Add type casts for scsi_init_malloc. + + * scsicam.c: Add type cast. + +Wed Aug 10 19:23:01 1994 Eric Youngdale (eric@andante) + + * Linux 1.1.43 released. + + * Throughout: Spelling cleanups. [??] + + * aha152x.c, NCR53*.c, fdomain.c, g_NCR5380.c, pas16.c, seagate.c, + t128.c: Use request_irq, not irqaction. [??] + + * aha1542.c: Move test for shost before we start to use shost. + + * aha1542.c, aha1740.c, ultrastor.c, wd7000.c: Use new + calling sequence for request_irq. + + * buslogic.c: Update from Dave Gentzel. + +Tue Aug 9 09:32:59 1994 Eric Youngdale (eric@andante) + + * Linux 1.1.42 released. + + * NCR5380.c: Change NCR5380_print_status to static. + + * seagate.c: A few more bugfixes. Only Drew knows what they are + for. + + * ultrastor.c: Tweak some __asm__ directives so that it works + with newer compilers. [??] + +Sat Aug 6 21:29:36 1994 Eric Youngdale (eric@andante) + + * Linux 1.1.40 released. + + * NCR5380.c: Return SCSI_RESET_WAKEUP from reset function. + + * aha1542.c: Reset mailbox status after a bus device reset. + + * constants.c: Fix typo (;;). + + * g_NCR5380.c: + * pas16.c: Correct usage of NCR5380_init. + + * scsi.c: Remove redundant (and unused variables). + + * sd.c: Use memset to clear all of rscsi_disks before we use it. + + * sg.c: Ditto, except for scsi_generics. + + * sr.c: Ditto, except for scsi_CDs. + + * st.c: Initialize STp->device. + + * seagate.c: Fix bug. [Drew] + +Thu Aug 4 08:47:27 1994 Eric Youngdale (eric@andante) + + * Linux 1.1.39 released. + + * Makefile: Fix typo in NCR53C7xx. + + * st.c: Print correct number for device. + +Tue Aug 2 11:29:14 1994 Eric Youngdale (eric@esp22) + + * Linux 1.1.38 released. + + Lots of changes in 1.1.38. All from Drew unless otherwise noted. + + * 53c7,8xx.c: New file from Drew. PCI driver. + + * 53c7,8xx.h: Likewise. + + * 53c7,8xx.scr: Likewise. + + * 53c8xx_d.h, 53c8xx_u.h, script_asm.pl: Likewise. + + * scsicam.c: New file from Drew. Read block 0 on the disk and + read the partition table. Attempt to deduce the geometry from + the partition table if possible. Only used by 53c[7,8]xx right + now, but could be used by any device for which we have no way + of identifying the geometry. + + * sd.c: Use device letters instead of sd%d in a lot of messages. + + * seagate.c: Fix bug that resulted in lockups with some devices. + + * sr.c (sr_open): Return -EROFS, not -EACCES if we attempt to open + device for write. + + * hosts.c, Makefile: Update for new driver. + + * NCR5380.c, NCR5380.h, g_NCR5380.h: Update from Drew to support + 53C400 chip. + + * constants.c: Define CONST_CMND and CONST_MSG. Other minor + cleanups along the way. Improve handling of CONST_MSG. + + * fdomain.c, fdomain.h: New version from Rik Faith. Update to + 5.18. Should now support TMC-3260 PCI card with 18C30 chip. + + * pas16.c: Update with new irq initialization. + + * t128.c: Update with minor cleanups. + + * scsi.c (scsi_pid): New variable - gives each command a unique + id. Add Quantum LPS5235S to blacklist. Change in_scan to + in_scan_scsis and make global. + + * scsi.h: Add some defines for extended message handling, + INITIATE/RELEASE_RECOVERY. Add a few new fields to support sync + transfers. + + * scsi_ioctl.h: Add ioctl to request synchronous transfers. + + +Tue Jul 26 21:36:58 1994 Eric Youngdale (eric@esp22) + + * Linux 1.1.37 released. + + * aha1542.c: Always call aha1542_mbenable, use new udelay + mechanism so we do not wait a long time if the board does not + implement this command. + + * g_NCR5380.c: Remove #include <linux/config.h> and #if + defined(CONFIG_SCSI_*). + + * seagate.c: Likewise. + + Next round of changes to support loadable modules. Getting closer + now, still not possible to do anything remotely usable. + + hosts.c: Create a linked list of detected high level devices. + (scsi_register_device): New function to insert into this list. + (scsi_init): Call scsi_register_device for each of the known high + level drivers. + + hosts.h: Add prototype for linked list header. Add structure + definition for device template structure which defines the linked + list. + + scsi.c: (scan_scsis): Use linked list instead of knowledge about + existing high level device drivers. + (scsi_dev_init): Use init functions for drivers on linked list + instead of explicit list to initialize and attach devices to high + level drivers. + + scsi.h: Add new field "attached" to scsi_device - count of number + of high level devices attached. + + sd.c, sr.c, sg.c, st.c: Adjust init/attach functions to use new + scheme. + +Sat Jul 23 13:03:17 1994 Eric Youngdale (eric@esp22) + + * Linux 1.1.35 released. + + * ultrastor.c: Change constraint on asm() operand so that it works + with gcc 2.6.0. + +Thu Jul 21 10:37:39 1994 Eric Youngdale (eric@esp22) + + * Linux 1.1.33 released. + + * sr.c(sr_open): Do not allow opens with write access. + +Mon Jul 18 09:51:22 1994 Eric Youngdale (eric@esp22) + + * Linux 1.1.31 released. + + * sd.c: Increase SD_TIMEOUT from 300 to 600. + + * sr.c: Remove stray task_struct* variable that was no longer + used. + + * sr_ioctl.c: Fix typo in up() call. + +Sun Jul 17 16:25:29 1994 Eric Youngdale (eric@esp22) + + * Linux 1.1.30 released. + + * scsi.c (scan_scsis): Fix detection of some Toshiba CDROM drives + that report themselves as disk drives. + + * (Throughout): Use request.sem instead of request.waiting. + Should fix swap problem with fdomain. + +Thu Jul 14 10:51:42 1994 Eric Youngdale (eric@esp22) + + * Linux 1.1.29 released. + + * scsi.c (scan_scsis): Add new devices to end of linked list, not + to the beginning. + + * scsi.h (SCSI_SLEEP): Remove brain dead hack to try to save + the task state before sleeping. + +Sat Jul 9 15:01:03 1994 Eric Youngdale (eric@esp22) + + More changes to eventually support loadable modules. Mainly + we want to use linked lists instead of arrays because it is easier + to dynamically add and remove things this way. + + Quite a bit more work is needed before loadable modules are + possible (and usable) with scsi, but this is most of the grunge + work. + + * Linux 1.1.28 released. + + * scsi.c, scsi.h (allocate_device, request_queueable): Change + argument from index into scsi_devices to a pointer to the + Scsi_Device struct. + + * Throughout: Change all calls to allocate_device, + request_queueable to use new calling sequence. + + * Throughout: Use SCpnt->device instead of + scsi_devices[SCpnt->index]. Ugh - the pointer was there all along + - much cleaner this way. + + * scsi.c (scsi_init_malloc, scsi_free_malloc): New functions - + allow us to pretend that we have a working malloc when we + initialize. Use this instead of passing memory_start, memory_end + around all over the place. + + * scsi.h, st.c, sr.c, sd.c, sg.c: Change *_init1 functions to use + scsi_init_malloc, remove all arguments, no return value. + + * scsi.h: Remove index field from Scsi_Device and Scsi_Cmnd + structs. + + * scsi.c (scsi_dev_init): Set up for scsi_init_malloc. + (scan_scsis): Get SDpnt from scsi_init_malloc, and refresh + when we discover a device. Free pointer before returning. + Change scsi_devices into a linked list. + + * scsi.c (scan_scsis): Change to only scan one host. + (scsi_dev_init): Loop over all detected hosts, and scan them. + + * hosts.c (scsi_init_free): Change so that number of extra bytes + is stored in struct, and we do not have to pass it each time. + + * hosts.h: Change Scsi_Host_Template struct to include "next" and + "release" functions. Initialize to NULL in all low level + adapters. + + * hosts.c: Rename scsi_hosts to builtin_scsi_hosts, create linked + list scsi_hosts, linked together with the new "next" field. + +Wed Jul 6 05:45:02 1994 Eric Youngdale (eric@esp22) + + * Linux 1.1.25 released. + + * aha152x.c: Changes from Juergen - cleanups and updates. + + * sd.c, sr.c: Use new check_media_change and revalidate + file_operations fields. + + * st.c, st.h: Add changes from Kai Makisara, dated Jun 22. + + * hosts.h: Change SG_ALL back to 0xff. Apparently soft error + in /dev/brain resulted in having this bumped up. + Change first parameter in bios_param function to be Disk * instead + of index into rscsi_disks. + + * sd_ioctl.c: Pass pointer to rscsi_disks element instead of index + to array. + + * sd.h: Add struct name "scsi_disk" to typedef for Scsi_Disk. + + * scsi.c: Remove redundant Maxtor XT8760S from blacklist. + In scsi_reset, add printk when DEBUG defined. + + * All low level drivers: Modify definitions of bios_param in + appropriate way. + +Thu Jun 16 10:31:59 1994 Eric Youngdale (eric@esp22) + + * Linux 1.1.20 released. + + * scsi_ioctl.c: Only pass down the actual number of characters + required to scsi_do_cmd, not the one rounded up to a even number + of sectors. + + * ultrastor.c: Changes from Caleb Epstein for 24f cards. Support + larger SG lists. + + * ultrastor.c: Changes from me - use scsi_register to register + host. Add some consistency checking, + +Wed Jun 1 21:12:13 1994 Eric Youngdale (eric@esp22) + + * Linux 1.1.19 released. + + * scsi.h: Add new return code for reset() function: + SCSI_RESET_PUNT. + + * scsi.c: Make SCSI_RESET_PUNT the same as SCSI_RESET_WAKEUP for + now. + + * aha1542.c: If the command responsible for the reset is not + pending, return SCSI_RESET_PUNT. + + * aha1740.c, buslogic.c, wd7000.c, ultrastor.c: Return + SCSI_RESET_PUNT instead of SCSI_RESET_SNOOZE. + +Tue May 31 19:36:01 1994 Eric Youngdale (eric@esp22) + + * buslogic.c: Do not print out message about "must be Adaptec" + if we have detected a buslogic card. Print out a warning message + if we are configuring for >16Mb, since the 445S at board level + D or earlier does not work right. The "D" level board can be made + to work by flipping an undocumented switch, but this is too subtle. + + Changes based upon patches in Yggdrasil distribution. + + * sg.c, sg.h: Return sense data to user. + + * aha1542.c, aha1740.c, buslogic.c: Do not panic if + sense buffer is wrong size. + + * hosts.c: Test for ultrastor card before any of the others. + + * scsi.c: Allow boot-time option for max_scsi_luns=? so that + buggy firmware has an easy work-around. + +Sun May 15 20:24:34 1994 Eric Youngdale (eric@esp22) + + * Linux 1.1.15 released. + + Post-codefreeze thaw... + + * buslogic.[c,h]: New driver from David Gentzel. + + * hosts.h: Add use_clustering field to explicitly say whether + clustering should be used for devices attached to this host + adapter. The buslogic board apparently supports large SG lists, + but it is apparently faster if sd.c condenses this into a smaller + list. + + * sd.c: Use this field instead of heuristic. + + * All host adapter include files: Add appropriate initializer for + use_clustering field. + + * scsi.h: Add #defines for return codes for the abort and reset + functions. There are now a specific set of return codes to fully + specify all of the possible things that the low-level adapter + could do. + + * scsi.c: Act based upon return codes from abort/reset functions. + + * All host adapter abort/reset functions: Return new return code. + + * Add code in scsi.c to help debug timeouts. Use #define + DEBUG_TIMEOUT to enable this. + + * scsi.c: If the host->irq field is set, use + disable_irq/enable_irq before calling queuecommand if we + are not already in an interrupt. Reduce races, and we + can be sloppier about cli/sti in the interrupt routines now + (reduce interrupt latency). + + * constants.c: Fix some things to eliminate warnings. Add some + sense descriptions that were omitted before. + + * aha1542.c: Watch for SCRD from host adapter - if we see it, set + a flag. Currently we only print out the number of pending + commands that might need to be restarted. + + * aha1542.c (aha1542_abort): Look for lost interrupts, OGMB still + full, and attempt to recover. Otherwise give up. + + * aha1542.c (aha1542_reset): Try BUS DEVICE RESET, and then pass + DID_RESET back up to the upper level code for all commands running + on this target (even on different LUNs). + +Sat May 7 14:54:01 1994 + + * Linux 1.1.12 released. + + * st.c, st.h: New version from Kai. Supports boot time + specification of number of buffers. + + * wd7000.[c,h]: Updated driver from John Boyd. Now supports + more than one wd7000 board in machine at one time, among other things. + +Wed Apr 20 22:20:35 1994 + + * Linux 1.1.8 released. + + * sd.c: Add a few type casts where scsi_malloc is called. + +Wed Apr 13 12:53:29 1994 + + * Linux 1.1.4 released. + + * scsi.c: Clean up a few printks (use %p to print pointers). + +Wed Apr 13 11:33:02 1994 + + * Linux 1.1.3 released. + + * fdomain.c: Update to version 5.16 (Handle different FIFO sizes + better). + +Fri Apr 8 08:57:19 1994 + + * Linux 1.1.2 released. + + * Throughout: SCSI portion of cluster diffs added. + +Tue Apr 5 07:41:50 1994 + + * Linux 1.1 development tree initiated. + + * The linux 1.0 development tree is now effectively frozen except + for obvious bugfixes. + +****************************************************************** +****************************************************************** +****************************************************************** +****************************************************************** + +Sun Apr 17 00:17:39 1994 + + * Linux 1.0, patchlevel 9 released. + + * fdomain.c: Update to version 5.16 (Handle different FIFO sizes + better). + +Thu Apr 7 08:36:20 1994 + + * Linux 1.0, patchlevel8 released. + + * fdomain.c: Update to version 5.15 from 5.9. Handles 3.4 bios. + +Sun Apr 3 14:43:03 1994 + + * Linux 1.0, patchlevel6 released. + + * wd7000.c: Make stab at fixing race condition. + +Sat Mar 26 14:14:50 1994 + + * Linux 1.0, patchlevel5 released. + + * aha152x.c, Makefile: Fix a few bugs (too much data message). + Add a few more bios signatures. (Patches from Juergen). + + * aha1542.c: Fix race condition in aha1542_out. + +Mon Mar 21 16:36:20 1994 + + * Linux 1.0, patchlevel3 released. + + * sd.c, st.c, sr.c, sg.c: Return -ENXIO, not -ENODEV if we attempt + to open a non-existent device. + + * scsi.c: Add Chinon cdrom to blacklist. + + * sr_ioctl.c: Check return status of verify_area. + +Sat Mar 6 16:06:19 1994 + + * Linux 1.0 released (technically a pre-release). + + * scsi.c: Add IMS CDD521, Maxtor XT-8760S to blacklist. + +Tue Feb 15 10:58:20 1994 + + * pl15e released. + + * aha1542.c: For 1542C, allow dynamic device scan with >1Gb turned + off. + + * constants.c: Fix typo in definition of CONSTANTS. + + * pl15d released. + +Fri Feb 11 10:10:16 1994 + + * pl15c released. + + * scsi.c: Add Maxtor XT-3280 and Rodime RO3000S to blacklist. + + * scsi.c: Allow tagged queueing for scsi 3 devices as well. + Some really old devices report a version number of 0. Disallow + LUN != 0 for these. + +Thu Feb 10 09:48:57 1994 + + * pl15b released. + +Sun Feb 6 12:19:46 1994 + + * pl15a released. + +Fri Feb 4 09:02:17 1994 + + * scsi.c: Add Teac cdrom to blacklist. + +Thu Feb 3 14:16:43 1994 + + * pl15 released. + +Tue Feb 1 15:47:43 1994 + + * pl14w released. + + * wd7000.c (wd_bases): Fix typo in last change. + +Mon Jan 24 17:37:23 1994 + + * pl14u released. + + * aha1542.c: Support 1542CF/extended bios. Different from 1542C + + * wd7000.c: Allow bios at 0xd8000 as well. + + * ultrastor.c: Do not truncate cylinders to 1024. + + * fdomain.c: Update to version 5.9 (add new bios signature). + + * NCR5380.c: Update from Drew - should work a lot better now. + +Sat Jan 8 15:13:10 1994 + + * pl14o released. + + * sr_ioctl.c: Zero reserved field before trying to set audio volume. + +Wed Jan 5 13:21:10 1994 + + * pl14m released. + + * fdomain.c: Update to version 5.8. No functional difference??? + +Tue Jan 4 14:26:13 1994 + + * pl14l released. + + * ultrastor.c: Remove outl, inl functions (now provided elsewhere). + +Mon Jan 3 12:27:25 1994 + + * pl14k released. + + * aha152x.c: Remove insw and outsw functions. + + * fdomain.c: Ditto. + +Wed Dec 29 09:47:20 1993 + + * pl14i released. + + * scsi.c: Support RECOVERED_ERROR for tape drives. + + * st.c: Update of tape driver from Kai. + +Tue Dec 21 09:18:30 1993 + + * pl14g released. + + * aha1542.[c,h]: Support extended BIOS stuff. + + * scsi.c: Clean up messages about disks, so they are displayed as + sda, sdb, etc instead of sd0, sd1, etc. + + * sr.c: Force reread of capacity if disk was changed. + Clear buffer before asking for capacity/sectorsize (some drives + do not report this properly). Set needs_sector_size flag if + drive did not return sensible sector size. + +Mon Dec 13 12:13:47 1993 + + * aha152x.c: Update to version .101 from Juergen. + +Mon Nov 29 03:03:00 1993 + + * linux 0.99.14 released. + + * All scsi stuff moved from kernel/blk_drv/scsi to drivers/scsi. + + * Throughout: Grammatical corrections to various comments. + + * Makefile: fix so that we do not need to compile things we are + not going to use. + + * NCR5380.c, NCR5380.h, g_NCR5380.c, g_NCR5380.h, pas16.c, + pas16.h, t128.c, t128.h: New files from Drew. + + * aha152x.c, aha152x.h: New files from Juergen Fischer. + + * aha1542.c: Support for more than one 1542 in the machine + at the same time. Make functions static that do not need + visibility. + + * aha1740.c: Set NEEDS_JUMPSTART flag in reset function, so we + know to restart the command. Change prototype of aha1740_reset + to take a command pointer. + + * constants.c: Clean up a few things. + + * fdomain.c: Update to version 5.6. Move snarf_region. Allow + board to be set at different SCSI ids. Remove support for + reselection (did not work well). Set JUMPSTART flag in reset + code. + + * hosts.c: Support new low-level adapters. Allow for more than + one adapter of a given type. + + * hosts.h: Allow for more than one adapter of a given type. + + * scsi.c: Add scsi_device_types array, if NEEDS_JUMPSTART is set + after a low-level reset, start the command again. Sort blacklist, + and add Maxtor MXT-1240S, XT-4170S, NEC CDROM 84, Seagate ST157N. + + * scsi.h: Add constants for tagged queueing. + + * Throughout: Use constants from major.h instead of hardcoded + numbers for major numbers. + + * scsi_ioctl.c: Fix bug in buffer length in ioctl_command. Use + verify_area in GET_IDLUN ioctl. Add new ioctls for + TAGGED_QUEUE_ENABLE, DISABLE. Only allow IOCTL_SEND_COMMAND by + superuser. + + * sd.c: Only pay attention to UNIT_ATTENTION for removable disks. + Fix bug where sometimes portions of blocks would get lost + resulting in processes hanging. Add messages when we spin up a + disk, and fix a bug in the timing. Increase read-ahead for disks + that are on a scatter-gather capable host adapter. + + * seagate.c: Fix so that some parameters can be set from the lilo + prompt. Supply jumpstart flag if we are resetting and need the + command restarted. Fix so that we return 1 if we detect a card + so that multiple card detection works correctly. Add yet another + signature for FD cards (950). Add another signature for ST0x. + + * sg.c, sg.h: New files from Lawrence Foard for generic scsi + access. + + * sr.c: Add type casts for (void*) so that we can do pointer + arithmetic. Works with GCC without this, but it is not strictly + correct. Same bugfix as was in sd.c. Increase read-ahead a la + disk driver. + + * sr_ioctl.c: Use scsi_malloc buffer instead of buffer from stack + since we cannot guarantee that the stack is < 16Mb. + + ultrastor.c: Update to support 24f properly (JFC's driver). + + wd7000.c: Supply jumpstart flag for reset. Do not round up + number of cylinders in biosparam function. + +Sat Sep 4 20:49:56 1993 + + * 0.99pl13 released. + + * Throughout: Use check_region/snarf_region for all low-level + drivers. + + * aha1542.c: Do hard reset instead of soft (some ethercard probes + screw us up). + + * scsi.c: Add new flag ASKED_FOR_SENSE so that we can tell if we are + in a loop whereby the device returns null sense data. + + * sd.c: Add code to spin up a drive if it is not already spinning. + Do this one at a time to make it easier on power supplies. + + * sd_ioctl.c: Use sync_dev instead of fsync_dev in BLKFLSBUF ioctl. + + * seagate.c: Switch around DATA/CONTROL lines. + + * st.c: Change sense to unsigned. + +Thu Aug 5 11:59:18 1993 + + * 0.99pl12 released. + + * constants.c, constants.h: New files with ascii descriptions of + various conditions. + + * Makefile: Do not try to count the number of low-level drivers, + just generate the list of .o files. + + * aha1542.c: Replace 16 with sizeof(SCpnt->sense_buffer). Add tests + for addresses > 16Mb, panic if we find one. + + * aha1740.c: Ditto with sizeof(). + + * fdomain.c: Update to version 3.18. Add new signature, register IRQ + with irqaction. Use ID 7 for new board. Be more intelligent about + obtaining the h/s/c numbers for biosparam. + + * hosts.c: Do not depend upon Makefile generated count of the number + of low-level host adapters. + + * scsi.c: Use array for scsi_command_size instead of a function. Add + Texel cdrom and Maxtor XT-4380S to blacklist. Allow compile time + option for no-multi lun scan. Add semaphore for possible problems + with handshaking, assume device is faulty until we know it not to be + the case. Add DEBUG_INIT symbol to dump info as we scan for devices. + Zero sense buffer so we can tell if we need to request it. When + examining sense information, request sense if buffer is all zero. + If RESET, request sense information to see what to do next. + + * scsi_debug.c: Change some constants to use symbols like INT_MAX. + + * scsi_ioctl.c (kernel_scsi_ioctl): New function -for making ioctl + calls from kernel space. + + * sd.c: Increase timeout to 300. Use functions in constants.h to + display info. Use scsi_malloc buffer for READ_CAPACITY, since + we cannot guarantee that a stack based buffer is < 16Mb. + + * sd_ioctl.c: Add BLKFLSBUF ioctl. + + * seagate.c: Add new compile time options for ARBITRATE, + SLOW_HANDSHAKE, and SLOW_RATE. Update assembly loops for transferring + data. Use kernel_scsi_ioctl to request mode page with geometry. + + * sr.c: Use functions in constants.c to display messages. + + * st.c: Support for variable block size. + + * ultrastor.c: Do not use cache for tape drives. Set + unchecked_isa_dma flag, even though this may not be needed (gets set + later). + +Sat Jul 17 18:32:44 1993 + + * 0.99pl11 released. C++ compilable. + + * Throughout: Add type casts all over the place, and use "ip" instead + of "info" in the various biosparam functions. + + * Makefile: Compile seagate.c with C++ compiler. + + * aha1542.c: Always set ccb pointer as this gets trashed somehow on + some systems. Add a few type casts. Update biosparam function a little. + + * aha1740.c: Add a few type casts. + + * fdomain.c: Update to version 3.17 from 3.6. Now works with + TMC-18C50. + + * scsi.c: Minor changes here and there with datatypes. Save use_sg + when requesting sense information so that this can properly be + restored if we retry the command. Set aside dma buffers assuming each + block is 1 page, not 1Kb minix block. + + * scsi_ioctl.c: Add a few type casts. Other minor changes. + + * sd.c: Correctly free all scsi_malloc'd memory if we run out of + dma_pool. Store blocksize information for each partition. + + * seagate.c: Minor cleanups here and there. + + * sr.c: Set up blocksize array for all discs. Fix bug in freeing + buffers if we run out of dma pool. + +Thu Jun 2 17:58:11 1993 + + * 0.99pl10 released. + + * aha1542.c: Support for BT 445S (VL-bus board with no dma channel). + + * fdomain.c: Upgrade to version 3.6. Preliminary support for TNC-18C50. + + * scsi.c: First attempt to fix problem with old_use_sg. Change + NOT_READY to a SUGGEST_ABORT. Fix timeout race where time might + get decremented past zero. + + * sd.c: Add block_fsync function to dispatch table. + + * sr.c: Increase timeout to 500 from 250. Add entry for sync in + dispatch table (supply NULL). If we do not have a sectorsize, + try to get it in the sd_open function. Add new function just to + obtain sectorsize. + + * sr.h: Add needs_sector_size semaphore. + + * st.c: Add NULL for fsync in dispatch table. + + * wd7000.c: Allow another condition for power on that are normal + and do not require a panic. + +Thu Apr 22 23:10:11 1993 + + * 0.99pl9 released. + + * aha1542.c: Use (void) instead of () in setup_mailboxes. + + * scsi.c: Initialize transfersize and underflow fields in SCmd to 0. + Do not panic for unsupported message bytes. + + * scsi.h: Allocate 12 bytes instead of 10 for commands. Add + transfersize and underflow fields. + + * scsi_ioctl.c: Further bugfix to ioctl_probe. + + * sd.c: Use long instead of int for last parameter in sd_ioctl. + Initialize transfersize and underflow fields. + + * sd_ioctl.c: Ditto for sd_ioctl(,,,,); + + * seagate.c: New version from Drew. Includes new signatures for FD + cards. Support for 0ws jumper. Correctly initialize + scsi_hosts[hostnum].this_id. Improved handing of + disconnect/reconnect, and support command linking. Use + transfersize and underflow fields. Support scatter-gather. + + * sr.c, sr_ioctl.c: Use long instead of int for last parameter in sr_ioctl. + Use buffer and buflength in do_ioctl. Patches from Chris Newbold for + scsi-2 audio commands. + + * ultrastor.c: Comment out in_byte (compiler warning). + + * wd7000.c: Change () to (void) in wd7000_enable_dma. + +Wed Mar 31 16:36:25 1993 + + * 0.99pl8 released. + + * aha1542.c: Handle mailboxes better for 1542C. + Do not truncate number of cylinders at 1024 for biosparam call. + + * aha1740.c: Fix a few minor bugs for multiple devices. + Same as above for biosparam. + + * scsi.c: Add lockable semaphore for removable devices that can have + media removal prevented. Add another signature for flopticals. + (allocate_device): Fix race condition. Allow more space in dma pool + for blocksizes of up to 4Kb. + + * scsi.h: Define COMMAND_SIZE. Define a SCSI specific version of + INIT_REQUEST that can run with interrupts off. + + * scsi_ioctl.c: Make ioctl_probe function more idiot-proof. If + a removable device says ILLEGAL REQUEST to a door-locking command, + clear lockable flag. Add SCSI_IOCTL_GET_IDLUN ioctl. Do not attempt + to lock door for devices that do not have lockable semaphore set. + + * sd.c: Fix race condition for multiple disks. Use INIT_SCSI_REQUEST + instead of INIT_REQUEST. Allow sector sizes of 1024 and 256. For + removable disks that are not ready, mark them as having a media change + (some drives do not report this later). + + * seagate.c: Use volatile keyword for memory-mapped register pointers. + + * sr.c: Fix race condition, a la sd.c. Increase the number of retries + to 1. Use INIT_SCSI_REQUEST. Allow 512 byte sector sizes. Do a + read_capacity when we init the device so we know the size and + sectorsize. + + * st.c: If ioctl not found in st.c, try scsi_ioctl for others. + + * ultrastor.c: Do not truncate number of cylinders at 1024 for + biosparam call. + + * wd7000.c: Ditto. + Throughout: Use COMMAND_SIZE macro to determine length of scsi + command. + + + +Sat Mar 13 17:31:29 1993 + + * 0.99pl7 released. + + Throughout: Improve punctuation in some messages, and use new + verify_area syntax. + + * aha1542.c: Handle unexpected interrupts better. + + * scsi.c: Ditto. Handle reset conditions a bit better, asking for + sense information and retrying if required. + + * scsi_ioctl.c: Allow for 12 byte scsi commands. + + * ultrastor.c: Update to use scatter-gather. + +Sat Feb 20 17:57:15 1993 + + * 0.99pl6 released. + + * fdomain.c: Update to version 3.5. Handle spurious interrupts + better. + + * sd.c: Use register_blkdev function. + + * sr.c: Ditto. + + * st.c: Use register_chrdev function. + + * wd7000.c: Undo previous change. + +Sat Feb 6 11:20:43 1993 + + * 0.99pl5 released. + + * scsi.c: Fix bug in testing for UNIT_ATTENTION. + + * wd7000.c: Check at more addresses for bios. Fix bug in biosparam + (heads & sectors turned around). + +Wed Jan 20 18:13:59 1993 + + * 0.99pl4 released. + + * scsi.c: Ignore leading spaces when looking for blacklisted devices. + + * seagate.c: Add a few new signatures for FD cards. Another patch + with SCint to fix race condition. Use recursion_depth to keep track + of how many times we have been recursively called, and do not start + another command unless we are on the outer level. Fixes bug + with Syquest cartridge drives (used to crash kernel), because + they do not disconnect with large data transfers. + +Tue Jan 12 14:33:36 1993 + + * 0.99pl3 released. + + * fdomain.c: Update to version 3.3 (a few new signatures). + + * scsi.c: Add CDU-541, Denon DRD-25X to blacklist. + (allocate_request, request_queueable): Init request.waiting to NULL if + non-buffer type of request. + + * seagate.c: Allow controller to be overridden with CONTROLLER symbol. + Set SCint=NULL when we are done, to remove race condition. + + * st.c: Changes from Kai. + +Wed Dec 30 20:03:47 1992 + + * 0.99pl2 released. + + * scsi.c: Blacklist back in. Remove Newbury drive as other bugfix + eliminates need for it here. + + * sd.c: Return ENODEV instead of EACCES if no such device available. + (sd_init) Init blkdev_fops earlier so that sd_open is available sooner. + + * sr.c: Same as above for sd.c. + + * st.c: Return ENODEV instead of ENXIO if no device. Init chrdev_fops + sooner, so that it is always there even if no tapes. + + * seagate.c (controller_type): New variable to keep track of ST0x or + FD. Modify signatures list to indicate controller type, and init + controller_type once we find a match. + + * wd7000.c (wd7000_set_sync): Remove redundant function. + +Sun Dec 20 16:26:24 1992 + + * 0.99pl1 released. + + * scsi_ioctl.c: Bugfix - check dev->index, not dev->id against + NR_SCSI_DEVICES. + + * sr_ioctl.c: Verify that device exists before allowing an ioctl. + + * st.c: Patches from Kai - change timeout values, improve end of tape + handling. + +Sun Dec 13 18:15:23 1992 + + * 0.99 kernel released. Baseline for this ChangeLog. |