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495 lines
22 KiB
495 lines
22 KiB
Sat May 12 12:00 2001 Gerard Roudier ([email protected]) |
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* version ncr53c8xx-3.4.3b |
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- Ensure LEDC bit in GPCNTL is cleared when reading the NVRAM. |
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Fix sent by Stig Telfer <[email protected]>. |
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- Define scsi_set_pci_device() as nil for kernel < 2.4.4. |
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Mon Feb 12 22:30 2001 Gerard Roudier ([email protected]) |
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* version ncr53c8xx-3.4.3 |
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- Call pci_enable_device() as AC wants this to be done. |
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- Get both the BAR cookies actual and PCI BAR values. |
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(see Changelog.sym53c8xx rev. 1.7.3 for details) |
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- Merge changes for linux-2.4 that declare the host template |
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in the driver object also when the driver is statically |
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linked with the kernel. |
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Sun Sep 24 21:30 2000 Gerard Roudier ([email protected]) |
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* version ncr53c8xx-3.4.2 |
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- See Changelog.sym53c8xx, driver version 1.7.2. |
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Wed Jul 26 23:30 2000 Gerard Roudier ([email protected]) |
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* version ncr53c8xx-3.4.1 |
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- Provide OpenFirmware path through the proc FS on PPC. |
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- Remove trailing argument #2 from a couple of #undefs. |
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Sun Jul 09 16:30 2000 Gerard Roudier ([email protected]) |
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* version ncr53c8xx-3.4.0 |
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- Remove the PROFILE C and SCRIPTS code. |
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This facility was not this useful and thus was not longer |
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desirable given the increasing complexity of the driver code. |
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- Merges from FreeBSD sym-1.6.2 driver: |
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* Clarify memory barriers needed by the driver for architectures |
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that implement a weak memory ordering. |
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- General cleanup: |
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Move definitions for barriers and IO/MMIO operations to the |
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sym53c8xx_defs.h header files. They are now shared by the |
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both drivers. |
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Use SCSI_NCR_IOMAPPED instead of NCR_IOMAPPED. |
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Thu May 11 12:30 2000 Pam Delaney ([email protected]) |
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* revision 3.3b |
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Mon Apr 24 12:00 2000 Gerard Roudier ([email protected]) |
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* revision 3.2i |
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- Return value 1 (instead of 0) from the driver setup routine. |
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- Let the driver also attach controllers that have been set to |
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OFF in the NVRAM as it did prior to revision 3.2g. |
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Sat Apr 1 12:00 2000 Gerard Roudier ([email protected]) |
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* revision 3.2h |
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- Fix a compilation problem on Alpha introduced in version 3.2g. |
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(`port' changed to `base_io'). |
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- Move from `sym' to this driver a tiny change for __sparc__ that |
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applies to cache line size (? Probably from David S Miller). |
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- Make sure no data transfer will happen for Scsi_Cmnd requests |
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that supply SCSI_DATA_NONE direction (this avoids some BUG() |
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statement in the PCI code when a data buffer is also supplied). |
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Thu Mar 16 9:30 2000 Pam Delaney ([email protected]) |
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* revision 3.3b-3 |
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- Added exclusion for the 53C1010 and 53C1010_66 chips |
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to the driver (change to sym53c8xx_comm.h). |
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Mon March 6 23:15 2000 Gerard Roudier ([email protected]) |
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* revision 3.2g |
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- Add the file sym53c8xx_comm.h that collects code that should |
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be shared by sym53c8xx and ncr53c8xx drivers. For now, it is |
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a header file that is only included by the ncr53c8xx driver, |
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but things will be cleaned up later. This code addresses |
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notably: |
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* Chip detection and PCI related initialisations |
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* NVRAM detection and reading |
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* DMA mapping |
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* Boot setup command |
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* And some other ... |
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- Add support for the new dynamic dma mapping kernel interface. |
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Requires Linux-2.3.47 (tested with pre-2.3.47-6). |
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- Get data transfer direction from the scsi command structure |
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(Scsi_Cmnd) when this information is available. |
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Mon March 6 23:15 2000 Gerard Roudier ([email protected]) |
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* revision 3.2g |
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- Add the file sym53c8xx_comm.h that collects code that should |
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be shared by sym53c8xx and ncr53c8xx drivers. For now, it is |
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a header file that is only included by the ncr53c8xx driver, |
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but things will be cleaned up later. This code addresses |
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notably: |
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* Chip detection and PCI related initialisations |
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* NVRAM detection and reading |
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* DMA mapping |
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* Boot setup command |
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* And some other ... |
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- Add support for the new dynamic dma mapping kernel interface. |
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Requires Linux-2.3.47 (tested with pre-2.3.47-6). |
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- Get data transfer direction from the scsi command structure |
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(Scsi_Cmnd) when this information is available. |
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Fri Jan 14 14:00 2000 Pam Delaney ([email protected]) |
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* revision pre-3.3b-1 |
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- Merge parallel driver series 3.31 and 3.2e |
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Tue Jan 11 14:00 2000 Pam Delaney ([email protected]) |
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* revision 3.31 |
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- Added support for mounting disks on wide-narrow-wide |
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scsi configurations. |
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- Built off of version 3.30 |
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Mon Jan 10 13:30 2000 Pam Delaney ([email protected]) |
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* revision 3.30 |
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- Added capability to use the integrity checking code |
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in the kernel (optional). |
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- Disabled support for the 53C1010. |
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- Built off of version 3.2c |
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Sat Jan 8 22:00 2000 Gerard Roudier ([email protected]) |
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* revision 3.2e |
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- Add year 2000 copyright. |
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- Display correctly bus signals when bus is detected wrong. |
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- Remove the dead code that broke driver 3.2d. |
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Mon Dec 6 22:00 1999 Gerard Roudier ([email protected]) |
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* revision 3.2d |
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- Change messages written by the driver at initialisation and |
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through the /proc FS (rather cosmetic changes that consist in |
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printing out the PCI bus number and device/function). |
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- Get rid of the old PCI bios interface, but preserve kernel 2.0 |
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compatibility from a simple wrapper. |
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- Remove the compilation condition about having to acquire the |
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io_request_lock since it seems to be a definite feature now.:) |
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- proc_dir structure no longer needed for kernel >= 2.3.27. |
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- Change the driver detection code by the sym53c8xx one, modulo |
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some minor changes. The driver can now attach any number of |
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controllers (>40) and does no longer hoger stack space at |
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initialisation. |
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- Definitely disable overlapped PCI arbitration for all dual |
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function chips, since I cannot make sure for what chip revisions |
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it is actually safe. |
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- Add support for the SYM53C1510D. |
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- Update the poor Tekram sync factor table. |
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- Remove the compilation condition about having to acquire the |
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io_request_lock since it seems to be a definite feature now.:) |
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- proc_dir structure no longer needed for kernel >= 2.3.27. |
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Sat Sep 11 18:00 1999 Gerard Roudier ([email protected]) |
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* revision 3.2c |
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- Handle correctly (hopefully) jiffies wrap-around. |
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- Restore the entry used to detect 875 until revision 0xff. |
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(I removed it inadvertently, it seems :) ) |
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- Replace __initfunc() which is deprecated stuff by __init which |
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is not yet so. ;-) |
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- Add support of some 'resource handling' for linux-2.3.13. |
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Basically the BARs have been changed to something more complex |
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in the pci_dev structure. |
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- Remove some deprecated code. |
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Sat May 10 11:00 1999 Gerard Roudier ([email protected]) |
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* revision pre-3.2b-1 |
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- Support for the 53C895A by Pamela Delaney <[email protected]> |
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The 53C895A contains all of the features of the 896 but has only |
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one channel and has a 32 bit PCI bus. It does 64 bit PCI addressing |
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using dual cycle PCI data transfers. |
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- Miscellaneous minor fixes. |
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- Some additions to the README.ncr53c8xx file. |
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Sun Apr 11 10:00 1999 Gerard Roudier ([email protected]) |
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* revision 3.2a |
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- Add 'hostid:#id' boot option. This option allows to change the |
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default SCSI id the driver uses for controllers. |
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- Remove nvram layouts and driver set-up structures from the C source, |
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and use the one defined in sym53c8xx_defs.h file. |
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(shared by both drivers). |
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- Set for now MAX LUNS to 16 (instead of 8). |
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Thu Mar 11 23:00 1999 Gerard Roudier ([email protected]) |
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* revision 3.2 (8xx-896 driver bundle) |
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- Only define the host template in ncr53c8xx.h and include the |
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sym53c8xx_defs.h file. |
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- Declare static all symbols that do not need to be visible from |
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outside the driver code. |
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- Add 'excl' boot command option that allows to pass to the driver |
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io address of devices not to attach. |
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- Add info() function called from the host template to print |
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driver/host information. |
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- Minor documentation additions. |
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Sat Mar 6 11:00 1999 Gerard Roudier ([email protected]) |
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* revision 3.1h |
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- Fix some oooold bug that hangs the bus if a device rejects a |
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negotiation. Btw, the corresponding stuff also needed some cleanup |
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and thus the change is a bit larger than it could have been. |
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- Still some typo that made compilation fail for 64 bit (trivial fix). |
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Sun Feb 14:00 1999 Gerard Roudier ([email protected]) |
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* revision 3.1g |
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- Deal correctly with 64 bit PCI address registers on Linux 2.2. |
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Pointed out by Leonard Zubkoff. |
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- Allow to tune request_irq() flags from the boot command line using |
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ncr53c8xx=irqm:??, as follows: |
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a) If bit 0x10 is set in irqm, IRQF_SHARED flag is not used. |
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b) If bit 0x20 is set in irqm, IRQF_DISABLED flag is not used. |
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By default the driver uses both IRQF_SHARED and IRQF_DISABLED. |
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Option 'ncr53c8xx=irqm:0x20' may be used when an IRQ is shared by |
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a 53C8XX adapter and a network board. |
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- Tiny misspelling fixed (ABORT instead of ABRT). Was fortunately |
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harmless. |
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- Negotiate SYNC data transfers with CCS devices. |
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Sat Jan 16 17:30 1999 Gerard Roudier ([email protected]) |
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* revision 3.1f |
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- Some PCI fix-ups not needed any more for PPC (from Cort). |
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- Cache line size set to 16 DWORDS for Sparc (from DSM). |
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- Waiting list look-up didn't work for the first command of the list. |
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- Remove 2 useless lines of code. |
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Sun Dec 13 18:00 1998 Gerard Roudier ([email protected]) |
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* revision 3.1e |
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- Same work-around as for the 53c876 rev <= 0x15 for 53c896 rev 1: |
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Disable overlapped arbitration. This will not make difference |
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since the chip has on-chip RAM. |
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Thu Nov 26 22:00 1998 Gerard Roudier ([email protected]) |
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* revision 3.1d |
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- The SISL RAID change requires now remap_pci_mem() stuff to be |
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compiled for __i386__ when normal IOs are used. |
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- Minor spelling fixes in doc files. |
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Sat Nov 21 18:00 1998 Gerard Roudier ([email protected]) |
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* revision 3.1c |
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- Ignore chips that are driven by SISL RAID (DAC 960). |
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Change sent by Leonard Zubkoff and slightly reworked. |
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- Still a buglet in the tags initial settings that needed to be fixed. |
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It was not possible to disable TGQ at system startup for devices |
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that claim TGQ support. The driver used at least 2 for the queue |
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depth but did'nt keep track of user settings for tags depth lower |
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than 2. |
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Wed Nov 11 10:00 1998 Gerard Roudier ([email protected]) |
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* revision 3.1b |
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- The driver was unhappy when configured with default_tags > MAX_TAGS |
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Hopefully doubly-fixed. |
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- Update the Configure.help driver section that speaks of TAGS. |
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Wed Oct 21 21:00 1998 Gerard Roudier ([email protected]) |
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* revision 3.1a |
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- Changes from Eddie Dost for Sparc and Alpha: |
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ioremap/iounmap support for Sparc. |
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pcivtophys changed to bus_dvma_to_phys. |
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- Add the 53c876 description to the chip table. This is only useful |
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for printing the right name of the controller. |
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- DEL-441 Item 2 work-around for the 53c876 rev <= 5 (0x15). |
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- Add additional checking of INQUIRY data: |
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Check INQUIRY data received length is at least 7. Byte 7 of |
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inquiry data contains device features bits and the driver might |
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be confused by garbage. Also check peripheral qualifier. |
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- Cleanup of the SCSI tasks management: |
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Remove the special case for 32 tags. Now the driver only uses the |
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scheme that allows up to 64 tags per LUN. |
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Merge some code from the 896 driver. |
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Use a 1,3,5,...MAXTAGS*2+1 tag numbering. Previous driver could |
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use any tag number from 1 to 253 and some non conformant devices |
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might have problems with large tag numbers. |
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- 'no_sync' changed to 'no_disc' in the README file. This is an old |
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and trivial mistake that seems to demonstrate the README file is |
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not often read. :) |
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Sun Oct 4 14:00 1998 Gerard Roudier ([email protected]) |
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* revision 3.0i |
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- Cosmetic changes for sparc (but not for the driver) that needs |
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__irq_itoa() to be used for printed IRQ value to be understandable. |
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- Some problems with the driver that didn't occur using driver 2.5f |
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were due to a SCSI selection problem triggered by a clearly |
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documented feature that in fact seems not to work: (53C8XX chips |
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are claimed by the manuals to be able to execute SCSI scripts just |
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after abitration while the SCSI core is performing SCSI selection). |
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This optimization is broken and has been removed. |
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- Some broken scsi devices are confused when a negotiation is started |
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on a LUN that does not correspond to a real device. According to |
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SCSI specs, this is a device firmware bug. This has been worked |
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around by only starting negotiation if the LUN has previously be |
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used for at least 1 successful SCSI command. |
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- The 'last message sent' printed out on M_REJECT message reception |
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was read from the SFBR i/o register after the previous message had |
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been sent. |
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This was not correct and affects all previous driver versions and |
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the original FreeBSD one as well. The SCSI scripts has been fixed |
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so that it now provides the right information to the C code. |
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Sat Jul 18 13:00 1998 Gerard Roudier ([email protected]) |
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* revision 3.0g |
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- Preliminary fixes for Big Endian (sent by Eddie C. Dost). |
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Big Endian architectures should work again with the driver. |
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Eddie's patch has been partially applied since current 2.1.109 |
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does not have all the Sparc changes of the vger tree. |
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- Use of BITS_PER_LONG instead of (~0UL == 0xffffffffUL) has fixed |
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the problem observed when the driver was compiled using EGCS or |
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PGCC. |
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Mon Jul 13 20:00 1998 Gerard Roudier ([email protected]) |
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* revision 3.0f |
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- Some spelling fixes. |
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- linux/config.h misplaced in ncr53c8xx.h |
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- MODULE_PARM stuff added for linux 2.1. |
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- check INQUIRY response data format is exactly 2. |
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- use BITS_PER_LONG if defined. |
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Sun Jun 28 12:00 1998 Gerard Roudier ([email protected]) |
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* revision 3.0e |
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- Some cleanup, spelling fixes, version checks, documentations |
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changes, etc ... |
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Sat Jun 20 20:00 1998 Gerard Roudier ([email protected]) |
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* revision 3.0c |
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- Add a boot setup option that allows to set up device queue depths |
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at boot-up. This option is very useful since Linux does not |
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allow to change scsi device queue depth once the system has been |
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booted up. |
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Sun Jun 15 23:00 1998 Gerard Roudier ([email protected]) |
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* revision 3.0a |
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- Support for up to 64 TAGS per LUN. |
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- Rewrite the TARGET vs LUN capabilities management. |
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CmdQueue is now handled as a LUN capability as it shall be. |
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This also fixes a bug triggered when disabling tagged command |
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queuing for a device that had this feature enabled. |
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- Remove the ncr_opennings() stuff that was useless under Linux |
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and hard to understand to me. |
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- Add "setverbose" procfs driver command. It allows to tune |
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verbose level after boot-up. Setting this level to zero, for |
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example avoid flooding the syslog file. |
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- Add KERN_XXX to some printk's. |
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Tue Jun 10 23:00 1998 Gerard Roudier ([email protected]) |
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* revision 3.0 |
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- Linux config changes for 2.0.34: |
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Remove NVRAM detection config option. This option is now enabled |
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by default but can be disabled by editing the driver header file. |
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Add a PROFILE config option. |
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- Update Configure.help |
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- Add calls to new function mdelay() for milli-seconds delay if |
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kernel version >= 2.1.105. |
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- Replace all printf(s) by printk(s). After all, the ncr53c8xx is |
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a driver for Linux. |
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- Perform auto-sense on COMMAND TERMINATED. Not sure it is useful. |
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- Some other minor changes. |
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Tue Jun 4 23:00 1998 Gerard Roudier ([email protected]) |
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* revision 2.6n |
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- Code cleanup and simplification: |
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Remove kernel 1.2.X and 1.3.X support. |
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Remove the _old_ target capabilities table. |
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Remove the error recovery code that have'nt been really useful. |
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Use a single alignment boundary (CACHE_LINE_SIZE) for data |
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structures. |
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- Several aggressive SCRIPTS optimizations and changes: |
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Reselect SCRIPTS code rewritten. |
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Support for selection/reselection without ATN. |
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And some others. |
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- Miscallaneous changes in the C code: |
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Count actual number of CCB queued to the controller (future use). |
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Lots of other minor changes. |
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Wed May 13 20:00 1998 Gerard Roudier ([email protected]) |
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* revision 2.6m |
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- Problem of missed SCSI bus reset with the 53C895 fixed by |
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Richard Waltham. The 53C895 needs about 650 us for the bus |
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mode to settle. Delays used while resetting the controller |
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and the bus have been adjusted. Thanks Richard! |
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- Some simplification for 64 bit arch done ccb address testing. |
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- Add a check of the MSG_OUT phase after Selection with ATN. |
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- The new tagged queue stuff seems ok, so some informationnal |
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message have been conditionned by verbose >= 3. |
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- Donnot reset if a SBMC interrupt reports the same bus mode. |
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- Print out the whole driver set-up. Some options were missing and |
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the print statement was misplaced for modules. |
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- Ignore a SCSI parity interrupt if the chip is not connected to |
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the SCSI bus. |
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Sat May 1 16:00 1998 Gerard Roudier ([email protected]) |
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* revision 2.6l |
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- Add CCB done queue support for Alpha and perhaps some other |
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architectures. |
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- Add some barriers to enforce memory ordering for x86 and |
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Alpha architectures. |
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- Fix something that looks like an old bug in the nego SIR |
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interrupt code in case of negotiation failure. |
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Sat Apr 25 21:00 1998 Gerard Roudier ([email protected]) |
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* revision 2.6k |
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- Remove all accesses to the on-chip RAM from the C code: |
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Use SCRIPTS to load the on-chip RAM. |
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Use SCRIPTS to repair the start queue on selection timeout. |
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Use the copy of script in main memory to calculate the chip |
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context on phase mismatch. |
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- The above allows now to use the on-chip RAM without requiring |
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to get access to the on-chip RAM from the C code. This makes |
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on-chip RAM useable for linux-1.2.13 and for Linux-Alpha for |
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instance. |
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- Some simplifications and cleanups in the SCRIPTS and C code. |
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- Buglet fixed in parity error recovery SCRIPTS (never tested). |
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- Minor updates in README.ncr53c8xx. |
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Wed Apr 15 21:00 1998 Gerard Roudier ([email protected]) |
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* revision 2.6j |
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- Incorporate changes from linux-2.1.95 ncr53c8xx driver version. |
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- Add SMP support for linux-2.1.95 and above. |
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- Fix a bug when QUEUE FULL is returned and no commands are |
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disconnected. This happens with Atlas I / L912 and may happen |
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with Atlas II / LXY4. |
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- Nail another one on CHECK condition when requeuing the command |
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for auto-sense. |
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- Call scsi_done() for all completed commands after interrupt |
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handling. |
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- Increase the done queue to 24 entries. |
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Sat Apr 4 20:00 1998 Gerard Roudier ([email protected]) |
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* revision 2.6i |
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- CTEST0 is used by the 53C885 for Power Management and |
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priority setting between the 2 functions. |
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Use SDID instead as actual target number. Just have had to |
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overwrite it with SSID on reselection. |
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- Split DATA_IN and DATA_OUT scripts into 2 sub-scripts. |
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64 segments are moved from on-chip RAM scripts. |
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If more segments, a script in main memory is used for the |
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additional segments. |
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- Since the SCRIPTS processor continues SCRIPTS execution after |
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having won arbitration, do some stuff prior to testing any SCSI |
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phase on reselection. This should have the vertue to process |
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scripts in parallel with the SCSI core performing selection. |
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- Increase the done queue to 12 entries. |
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Sun Mar 29 12:00 1998 Gerard Roudier ([email protected]) |
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* revision 2.6h |
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- Some fixes. |
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Tue Mar 26 23:00 1998 Gerard Roudier ([email protected]) |
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* revision 2.6g |
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- New done queue. 8 entries by default (6 always useable). |
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Can be increased if needed. |
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- Resources management using doubly linked queues. |
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- New auto-sense and QUEUE FULL handling that does not need to |
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stall the NCR queue any more. |
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- New CCB starvation avoiding algorithm. |
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- Prepare CCBs for SCSI commands that cannot be queued, instead of |
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inserting these commands into the waiting list. The waiting list |
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is now only used while resetting and when memory for CCBs is not |
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yet available? |
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Sun Feb 8 22:00 1998 Gerard Roudier ([email protected]) |
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* revision 2.6f |
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- Some fixes in order to really support the 53C895, at least with |
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FAST-20 devices. |
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- Heavy changes in the target/lun resources management to allow |
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the scripts to jump directly to the CCB on reselection instead |
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of walking on the lun CCBs list. Up to 32 tags per lun are now |
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supported without script processor and PCI traffic overhead. |
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Sun Jan 11 22:00 1998 Gerard Roudier ([email protected]) |
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* revision 2.6d |
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- new (different ?) implementation of the start queue: |
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Use a simple CALL to a launch script in the CCB. |
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- implement a minimal done queue (1 entry :-) ). |
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this avoid scanning all CCBs on INT FLY (Only scan all CCBs, on |
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overflow). Hit ratio is better than 99.9 % on my system, so no |
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need to have a larger done queue. |
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- generalization of the restart of CCB on special condition as |
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Abort, QUEUE FULL, CHECK CONDITION. |
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This has been called 'silly scheduler'. |
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- make all the profiling code conditionned by a config option. |
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This spare some PCI traffic and C code when this feature is not |
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needed. |
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- handle more cleanly the situation where direction is unknown. |
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The pointers patching is now performed by the SCRIPTS processor. |
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- remove some useless scripts instructions. |
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Ported from driver 2.5 series: |
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------------------------------ |
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- Use FAST-5 instead of SLOW for slow scsi devices according to |
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new SPI-2 draft. |
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- Make some changes in order to accommodate with 875 rev <= 3 |
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device errata listing 397. Minor consequences are: |
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. Leave use of PCI Write and Invalidate under user control. |
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Now, by default the driver does not enable PCI MWI and option |
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'specf:y' is required in order to enable this feature. |
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. Memory Read Line is not enabled for 875 and 875-like chips. |
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. Programmed burst length set to 64 DWORDS (instead of 128). |
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(Note: SYMBIOS uses 32 DWORDS for the SDMS BIOS) |
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- Add 'buschk' boot option. |
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This option enables checking of SCSI BUS data lines after SCSI |
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RESET (set by default). (Submitted by Richard Waltham). |
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- Update the README file. |
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- Dispatch CONDITION MET and RESERVATION CONFLICT scsi status |
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as OK driver status. |
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- Update the README file and the Symbios NVRAM format definition |
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with removable media flags values (available with SDMS 4.09). |
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- Several PCI configuration registers fix-ups for powerpc. |
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(Patch sent by Cort).
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