| 1 |
199 |
simons |
Sun Dec 13 18:00 1998 Gerard Roudier (groudier@club-internet.fr)
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| 2 |
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* revision 3.1e
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| 3 |
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- Same work-around as for the 53c876 rev <= 0x15 for 53c896 rev 1:
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| 4 |
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Disable overlapped arbitration. This will not make difference
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| 5 |
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since the chip has on-chip RAM.
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| 6 |
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| 7 |
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Thu Nov 26 22:00 1998 Gerard Roudier (groudier@club-internet.fr)
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* revision 3.1d
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| 9 |
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- The SISL RAID change requires now remap_pci_mem() stuff to be
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| 10 |
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compiled for __i386__ when normal IOs are used.
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| 11 |
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- Minor spelling fixes in doc files.
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| 12 |
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| 13 |
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Sat Nov 21 18:00 1998 Gerard Roudier (groudier@club-internet.fr)
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| 14 |
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* revision 3.1c
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| 15 |
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- Ignore chips that are driven by SISL RAID (DAC 960).
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| 16 |
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Change sent by Leonard Zubkoff and slightly reworked.
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| 17 |
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- Still a buglet in the tags initial settings that needed to be fixed.
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| 18 |
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It was not possible to disable TGQ at system startup for devices
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| 19 |
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that claim TGQ support. The driver used at least 2 for the queue
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| 20 |
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depth but did'nt keep track of user settings for tags depth lower
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| 21 |
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than 2.
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| 22 |
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| 23 |
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Wed Nov 11 10:00 1998 Gerard Roudier (groudier@club-internet.fr)
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| 24 |
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* revision 3.1b
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| 25 |
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- The driver was unhappy when configured with default_tags > MAX_TAGS
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| 26 |
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Hopefully doubly-fixed.
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| 27 |
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- Update the Configure.help driver section that speaks of TAGS.
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| 28 |
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| 29 |
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Wed Oct 21 21:00 1998 Gerard Roudier (groudier@club-internet.fr)
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| 30 |
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* revision 3.1a
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| 31 |
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- Changes from Eddie Dost for Sparc and Alpha:
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| 32 |
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ioremap/iounmap support for Sparc.
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| 33 |
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pcivtophys changed to bus_dvma_to_phys.
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| 34 |
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- Add the 53c876 description to the chip table. This is only usefull
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| 35 |
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for printing the right name of the controller.
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| 36 |
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- DEL-441 Item 2 work-around for the 53c876 rev <= 5 (0x15).
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| 37 |
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- Add additionnal checking of INQUIRY data:
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| 38 |
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Check INQUIRY data received length is at least 7. Byte 7 of
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| 39 |
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inquiry data contains device features bits and the driver might
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| 40 |
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be confused by garbage. Also check peripheral qualifier.
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| 41 |
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- Cleanup of the SCSI tasks management:
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| 42 |
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Remove the special case for 32 tags. Now the driver only uses the
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| 43 |
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scheme that allows up to 64 tags per LUN.
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| 44 |
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Merge some code from the 896 driver.
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| 45 |
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Use a 1,3,5,...MAXTAGS*2+1 tag numbering. Previous driver could
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| 46 |
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use any tag number from 1 to 253 and some non conformant devices
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| 47 |
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might have problems with large tag numbers.
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| 48 |
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- 'no_sync' changed to 'no_disc' in the README file. This is an old
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| 49 |
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and trivial mistake that seems to demonstrate the README file is
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| 50 |
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not often read. :)
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| 51 |
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| 52 |
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Sun Oct 4 14:00 1998 Gerard Roudier (groudier@club-internet.fr)
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| 53 |
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* revision 3.0i
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| 54 |
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- Cosmetic changes for sparc (but not for the driver) that needs
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| 55 |
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__irq_itoa() to be used for printed IRQ value to be understandable.
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| 56 |
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- Some problems with the driver that didn't occur using driver 2.5f
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| 57 |
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were due to a SCSI selection problem triggered by a clearly
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| 58 |
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documented feature that in fact seems not to work: (53C8XX chips
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| 59 |
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are claimed by the manuals to be able to execute SCSI scripts just
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| 60 |
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after abitration while the SCSI core is performing SCSI selection).
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| 61 |
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This optimization is broken and has been removed.
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| 62 |
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- Some broken scsi devices are confused when a negotiation is started
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| 63 |
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on a LUN that does not correspond to a real device. According to
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| 64 |
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SCSI specs, this is a device firmware bug. This has been worked
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| 65 |
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around by only starting negotiation if the LUN has previously be
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| 66 |
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used for at least 1 successful SCSI command.
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| 67 |
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- The 'last message sent' printed out on M_REJECT message reception
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| 68 |
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was read from the SFBR i/o register after the previous message had
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| 69 |
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been sent.
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| 70 |
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This was not correct and affects all previous driver versions and
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| 71 |
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the original FreeBSD one as well. The SCSI scripts has been fixed
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| 72 |
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so that it now provides the right information to the C code.
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| 73 |
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| 74 |
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Sat Jul 18 13:00 1998 Gerard Roudier (groudier@club-internet.fr)
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| 75 |
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* revision 3.0g
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| 76 |
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- Preliminary fixes for Big Endian (sent by Eddie C. Dost).
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| 77 |
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Big Endian architectures should work again with the driver.
|
| 78 |
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Eddie's patch has been partially applied since current 2.1.109
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| 79 |
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does not have all the Sparc changes of the vger tree.
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| 80 |
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- Use of BITS_PER_LONG instead of (~0UL == 0xffffffffUL) has fixed
|
| 81 |
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the problem observed when the driver was compiled using EGCS or
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| 82 |
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PGCC.
|
| 83 |
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|
| 84 |
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Mon Jul 13 20:00 1998 Gerard Roudier (groudier@club-internet.fr)
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| 85 |
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* revision 3.0f
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| 86 |
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- Some spelling fixes.
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| 87 |
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- linux/config.h misplaced in ncr53c8xx.h
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| 88 |
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- MODULE_PARM stuff added for linux 2.1.
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| 89 |
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- check INQUIRY response data format is exactly 2.
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| 90 |
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- use BITS_PER_LONG if defined.
|
| 91 |
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| 92 |
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Sun Jun 28 12:00 1998 Gerard Roudier (groudier@club-internet.fr)
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| 93 |
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* revision 3.0e
|
| 94 |
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- Some cleanup, spelling fixes, version checks, documentations
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| 95 |
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changes, etc ...
|
| 96 |
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|
| 97 |
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Sat Jun 20 20:00 1998 Gerard Roudier (groudier@club-internet.fr)
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| 98 |
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* revision 3.0c
|
| 99 |
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- Add a boot setup option that allows to set up device queue depths
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| 100 |
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at boot-up. This option is very usefull since Linux does not
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| 101 |
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allow to change scsi device queue depth once the system has been
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| 102 |
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booted up.
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| 103 |
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|
| 104 |
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Sun Jun 15 23:00 1998 Gerard Roudier (groudier@club-internet.fr)
|
| 105 |
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* revision 3.0a
|
| 106 |
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- Support for up to 64 TAGS per LUN.
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| 107 |
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- Rewrite the TARGET vs LUN capabilities management.
|
| 108 |
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CmdQueue is now handled as a LUN capability as it shall be.
|
| 109 |
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This also fixes a bug triggered when disabling tagged command
|
| 110 |
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queuing for a device that had this feature enabled.
|
| 111 |
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- Remove the ncr_opennings() stuff that was useless under Linux
|
| 112 |
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and hard to understand to me.
|
| 113 |
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- Add "setverbose" procfs driver command. It allows to tune
|
| 114 |
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verbose level after boot-up. Setting this level to zero, for
|
| 115 |
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example avoid flooding the syslog file.
|
| 116 |
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- Add KERN_XXX to some printk's.
|
| 117 |
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|
| 118 |
|
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Tue Jun 10 23:00 1998 Gerard Roudier (groudier@club-internet.fr)
|
| 119 |
|
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* revision 3.0
|
| 120 |
|
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- Linux config changes for 2.0.34:
|
| 121 |
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Remove NVRAM detection config option. This option is now enabled
|
| 122 |
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by default but can be disabled by editing the driver header file.
|
| 123 |
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Add a PROFILE config option.
|
| 124 |
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- Update Configure.help
|
| 125 |
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- Add calls to new function mdelay() for milli-seconds delay if
|
| 126 |
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kernel version >= 2.1.105.
|
| 127 |
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- Replace all printf(s) by printk(s). After all, the ncr53c8xx is
|
| 128 |
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a driver for Linux.
|
| 129 |
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- Perform auto-sense on COMMAND TERMINATED. Not sure it is usefull.
|
| 130 |
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- Some other minor changes.
|
| 131 |
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|
| 132 |
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Tue Jun 4 23:00 1998 Gerard Roudier (groudier@club-internet.fr)
|
| 133 |
|
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* revision 2.6n
|
| 134 |
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- Code cleanup and simplification:
|
| 135 |
|
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Remove kernel 1.2.X and 1.3.X support.
|
| 136 |
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Remove the _old_ target capabilities table.
|
| 137 |
|
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Remove the error recovery code that have'nt been really usefull.
|
| 138 |
|
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Use a single alignment boundary (CACHE_LINE_SIZE) for data
|
| 139 |
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structures.
|
| 140 |
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- Several aggressive SCRIPTS optimizations and changes:
|
| 141 |
|
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Reselect SCRIPTS code rewritten.
|
| 142 |
|
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Support for selection/reselection without ATN.
|
| 143 |
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And some others.
|
| 144 |
|
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- Miscallaneous changes in the C code:
|
| 145 |
|
|
Count actual number of CCB queued to the controller (future use).
|
| 146 |
|
|
Lots of other minor changes.
|
| 147 |
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|
| 148 |
|
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Wed May 13 20:00 1998 Gerard Roudier (groudier@club-internet.fr)
|
| 149 |
|
|
* revision 2.6m
|
| 150 |
|
|
- Problem of missed SCSI bus reset with the 53C895 fixed by
|
| 151 |
|
|
Richard Waltham. The 53C895 needs about 650 us for the bus
|
| 152 |
|
|
mode to settle. Delays used while resetting the controller
|
| 153 |
|
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and the bus have been adjusted. Thanks Richard!
|
| 154 |
|
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- Some simplification for 64 bit arch done ccb address testing.
|
| 155 |
|
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- Add a check of the MSG_OUT phase after Selection with ATN.
|
| 156 |
|
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- The new tagged queue stuff seems ok, so some informationnal
|
| 157 |
|
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message have been conditionned by verbose >= 3.
|
| 158 |
|
|
- Donnot reset if a SBMC interrupt reports the same bus mode.
|
| 159 |
|
|
- Print out the whole driver set-up. Some options were missing and
|
| 160 |
|
|
the print statement was misplaced for modules.
|
| 161 |
|
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- Ignore a SCSI parity interrupt if the chip is not connected to
|
| 162 |
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the SCSI bus.
|
| 163 |
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|
| 164 |
|
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Sat May 1 16:00 1998 Gerard Roudier (groudier@club-internet.fr)
|
| 165 |
|
|
* revision 2.6l
|
| 166 |
|
|
- Add CCB done queue support for Alpha and perhaps some other
|
| 167 |
|
|
architectures.
|
| 168 |
|
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- Add some barriers to enforce memory ordering for x86 and
|
| 169 |
|
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Alpha architectures.
|
| 170 |
|
|
- Fix something that looks like an old bug in the nego SIR
|
| 171 |
|
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interrupt code in case of negotiation failure.
|
| 172 |
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|
| 173 |
|
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Sat Apr 25 21:00 1998 Gerard Roudier (groudier@club-internet.fr)
|
| 174 |
|
|
* revision 2.6k
|
| 175 |
|
|
- Remove all accesses to the on-chip RAM from the C code:
|
| 176 |
|
|
Use SCRIPTS to load the on-chip RAM.
|
| 177 |
|
|
Use SCRIPTS to repair the start queue on selection timeout.
|
| 178 |
|
|
Use the copy of script in main memory to calculate the chip
|
| 179 |
|
|
context on phase mismatch.
|
| 180 |
|
|
- The above allows now to use the on-chip RAM without requiring
|
| 181 |
|
|
to get access to the on-chip RAM from the C code. This makes
|
| 182 |
|
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on-chip RAM useable for linux-1.2.13 and for Linux-Alpha for
|
| 183 |
|
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instance.
|
| 184 |
|
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- Some simplifications and cleanups in the SCRIPTS and C code.
|
| 185 |
|
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- Buglet fixed in parity error recovery SCRIPTS (never tested).
|
| 186 |
|
|
- Minor updates in README.ncr53c8xx.
|
| 187 |
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|
| 188 |
|
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Wed Apr 15 21:00 1998 Gerard Roudier (groudier@club-internet.fr)
|
| 189 |
|
|
* revision 2.6j
|
| 190 |
|
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- Incorporate changes from linux-2.1.95 ncr53c8xx driver version.
|
| 191 |
|
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- Add SMP support for linux-2.1.95 and above.
|
| 192 |
|
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- Fix a bug when QUEUE FULL is returned and no commands are
|
| 193 |
|
|
disconnected. This happens with Atlas I / L912 and may happen
|
| 194 |
|
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with Atlas II / LXY4.
|
| 195 |
|
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- Nail another one on CHECK condition when requeuing the command
|
| 196 |
|
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for auto-sense.
|
| 197 |
|
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- Call scsi_done() for all completed commands after interrupt
|
| 198 |
|
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handling.
|
| 199 |
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- Increase the done queue to 24 entries.
|
| 200 |
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|
| 201 |
|
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Sat Apr 4 20:00 1998 Gerard Roudier (groudier@club-internet.fr)
|
| 202 |
|
|
* revision 2.6i
|
| 203 |
|
|
- CTEST0 is used by the 53C885 for Power Management and
|
| 204 |
|
|
priority setting between the 2 functions.
|
| 205 |
|
|
Use SDID instead as actual target number. Just have had to
|
| 206 |
|
|
overwrite it with SSID on reselection.
|
| 207 |
|
|
- Split DATA_IN and DATA_OUT scripts into 2 sub-scripts.
|
| 208 |
|
|
64 segments are moved from on-chip RAM scripts.
|
| 209 |
|
|
If more segments, a script in main memory is used for the
|
| 210 |
|
|
additionnal segments.
|
| 211 |
|
|
- Since the SCRIPTS processor continues SCRIPTS execution after
|
| 212 |
|
|
having won arbitration, do some stuff prior to testing any SCSI
|
| 213 |
|
|
phase on reselection. This should have the vertue to process
|
| 214 |
|
|
scripts in parallel with the SCSI core performing selection.
|
| 215 |
|
|
- Increase the done queue to 12 entries.
|
| 216 |
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|
| 217 |
|
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Sun Mar 29 12:00 1998 Gerard Roudier (groudier@club-internet.fr)
|
| 218 |
|
|
* revision 2.6h
|
| 219 |
|
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- Some fixes.
|
| 220 |
|
|
|
| 221 |
|
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Tue Mar 26 23:00 1998 Gerard Roudier (groudier@club-internet.fr)
|
| 222 |
|
|
* revision 2.6g
|
| 223 |
|
|
- New done queue. 8 entries by default (6 always useable).
|
| 224 |
|
|
Can be increased if needed.
|
| 225 |
|
|
- Resources management using doubly linked queues.
|
| 226 |
|
|
- New auto-sense and QUEUE FULL handling that does not need to
|
| 227 |
|
|
stall the NCR queue any more.
|
| 228 |
|
|
- New CCB starvation avoiding algorithm.
|
| 229 |
|
|
- Prepare CCBs for SCSI commands that cannot be queued, instead of
|
| 230 |
|
|
inserting these commands into the waiting list. The waiting list
|
| 231 |
|
|
is now only used while resetting and when memory for CCBs is not
|
| 232 |
|
|
yet available?
|
| 233 |
|
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|
| 234 |
|
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Sun Feb 8 22:00 1998 Gerard Roudier (groudier@club-internet.fr)
|
| 235 |
|
|
* revision 2.6f
|
| 236 |
|
|
- Some fixes in order to really support the 53C895, at least with
|
| 237 |
|
|
FAST-20 devices.
|
| 238 |
|
|
- Heavy changes in the target/lun resources management to allow
|
| 239 |
|
|
the scripts to jump directly to the CCB on reselection instead
|
| 240 |
|
|
of walking on the lun CCBs list. Up to 32 tags per lun are now
|
| 241 |
|
|
supported without script processor and PCI traffic overhead.
|
| 242 |
|
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|
| 243 |
|
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Sun Jan 11 22:00 1998 Gerard Roudier (groudier@club-internet.fr)
|
| 244 |
|
|
* revision 2.6d
|
| 245 |
|
|
- new (different ?) implementation of the start queue:
|
| 246 |
|
|
Use a simple CALL to a launch script in the CCB.
|
| 247 |
|
|
- implement a minimal done queue (1 entry :-) ).
|
| 248 |
|
|
this avoid scanning all CCBs on INT FLY (Only scan all CCBs, on
|
| 249 |
|
|
overflow). Hit ratio is better than 99.9 % on my system, so no
|
| 250 |
|
|
need to have a larger done queue.
|
| 251 |
|
|
- generalization of the restart of CCB on special condition as
|
| 252 |
|
|
Abort, QUEUE FULL, CHECK CONDITION.
|
| 253 |
|
|
This has been called 'silly scheduler'.
|
| 254 |
|
|
- make all the profiling code conditionned by a config option.
|
| 255 |
|
|
This spare some PCI traffic and C code when this feature is not
|
| 256 |
|
|
needed.
|
| 257 |
|
|
- handle more cleanly the situation where direction is unknown.
|
| 258 |
|
|
The pointers patching is now performed by the SCRIPTS processor.
|
| 259 |
|
|
- remove some useless scripts instructions.
|
| 260 |
|
|
|
| 261 |
|
|
Ported from driver 2.5 series:
|
| 262 |
|
|
------------------------------
|
| 263 |
|
|
- Use FAST-5 instead of SLOW for slow scsi devices according to
|
| 264 |
|
|
new SPI-2 draft.
|
| 265 |
|
|
- Make some changes in order to accomodate with 875 rev <= 3
|
| 266 |
|
|
device errata listing 397. Minor consequences are:
|
| 267 |
|
|
. Leave use of PCI Write and Invalidate under user control.
|
| 268 |
|
|
Now, by default the driver does not enable PCI MWI and option
|
| 269 |
|
|
'specf:y' is required in order to enable this feature.
|
| 270 |
|
|
. Memory Read Line is not enabled for 875 and 875-like chips.
|
| 271 |
|
|
. Programmed burst length set to 64 DWORDS (instead of 128).
|
| 272 |
|
|
(Note: SYMBIOS uses 32 DWORDS for the SDMS BIOS)
|
| 273 |
|
|
- Add 'buschk' boot option.
|
| 274 |
|
|
This option enables checking of SCSI BUS data lines after SCSI
|
| 275 |
|
|
RESET (set by default). (Submitted by Richard Waltham).
|
| 276 |
|
|
- Update the README file.
|
| 277 |
|
|
- Dispatch CONDITION MET and RESERVATION CONFLICT scsi status
|
| 278 |
|
|
as OK driver status.
|
| 279 |
|
|
- Update the README file and the Symbios NVRAM format definition
|
| 280 |
|
|
with removable media flags values (available with SDMS 4.09).
|
| 281 |
|
|
- Several PCI configuration registers fix-ups for powerpc.
|
| 282 |
|
|
(Patch sent by Cort).
|
