| History log of /src/sys/arch/alpha/common/sgmapvar.h |
| Revision | | Date | Author | Comments |
| 1.19 |
| 05-Sep-2020 |
maya | fix typo
|
| 1.18 |
| 05-Sep-2020 |
thorpej | Update a comment.
|
| 1.17 |
| 17-Jun-2020 |
thorpej | Switch from an extent mao to a vmem arena to manage SGMAP address space.
|
| 1.16 |
| 01-Jul-2011 |
dyoung | #include <sys/bus.h> instead of <machine/bus.h>.
|
| 1.15 |
| 28-Apr-2008 |
martin | Remove clause 3 and 4 from TNF licenses
|
| 1.14 |
| 03-May-2003 |
wiz | branches: 1.14.104; 1.14.106; 1.14.108;
DMA, not dma nor Dma.
|
| 1.13 |
| 19-Jul-2001 |
thorpej | branches: 1.13.2;
Simplify the SGMAP code a bit, and move SGVA allocation out of a
common routine into the individual load routines, since each load
routine needs to muddle with the "internals" of this operation.
Add a `prefetch threshold' member to the bus_dma_tag_t, so that
eventually we can determine whether or not to allocate a spill
page on a per-mapping basis.
|
| 1.12 |
| 03-Jan-2001 |
thorpej | branches: 1.12.4;
ANSI'ify.
|
| 1.11 |
| 03-Jan-2001 |
thorpej | The code that creates/destroys SGMAP DMA maps is the same; put it
in a common place and share it.
|
| 1.10 |
| 14-Aug-1998 |
thorpej | branches: 1.10.12;
vm_offset_t -> {paddr_t,vaddr_t}, vm_size_t -> vsize_t
|
| 1.9 |
| 24-Jun-1998 |
ross | Protect against multiple inclusion.
|
| 1.8 |
| 06-Jun-1998 |
thorpej | Add a comment describing the locking needs of the alpha_sgmap.
|
| 1.7 |
| 21-Jan-1998 |
thorpej | Don't conditionally define the sgmap_log_entry structure, and turn off
SGMAP logging by default.
|
| 1.6 |
| 18-Jan-1998 |
thorpej | Implement a prefetch spill page for SGMAP DMA. This works around a slight
annoyance on systems that prefetch the next page during memory -> device
DMA if the DMA comes within a certain distance of the end of the current
page. This could cause machine checks since the PTE after the last page
would not have the valid bit set.
(I'm not going to complain about this slight kludge too much, since prefetch
makes DMA much faster...)
|
| 1.5 |
| 17-Jan-1998 |
thorpej | Put SGMAP-related stuff in the DMA map structure directly, rather than
indirecting through a pointer.
|
| 1.4 |
| 17-Jan-1998 |
thorpej | Allow specification of a minimum page table alignment to alpha_sgmap_init().
This is to work around an apparent hardware bug in some 2117x chipsets
where the page table must be aligned to at least 32k.
|
| 1.3 |
| 05-Sep-1997 |
thorpej | Add some debugging code to log sgmap activities. Also, make sure that
we return "no valid mappings" if there is an error while loading the
sgmap.
|
| 1.2 |
| 07-Jun-1997 |
thorpej | branches: 1.2.2; 1.2.6;
Pull the thorpej-bus-dma branch into the mainline.
|
| 1.1 |
| 03-Jun-1997 |
thorpej | branches: 1.1.2;
file sgmapvar.h was initially added on branch thorpej-bus-dma.
|
| 1.1.2.3 |
| 04-Jun-1997 |
thorpej | - Fix a serious bug in PTE index calculation.
- DMA addresses use the PTE index, not the PTE (byte) offset.
- Garbage-collect a now-unused flag.
|
| 1.1.2.2 |
| 03-Jun-1997 |
thorpej | PTE page frame shift and valid bits are type-dependent now.
|
| 1.1.2.1 |
| 03-Jun-1997 |
thorpej | Totally rearrange the SGMAP DMA handling code. Split the functions
into "common" (used unchanged by everyone) and "typedep", which depend
on the type (32-bit or 64-bit) of the SGMAP PTEs.
Fix several bugs, and clean up significantly, eliminating unnecessary
housekeeping overhead in several places.
|
| 1.2.6.1 |
| 06-Sep-1997 |
thorpej | Update marc-pcmcia branch from trunk.
|
| 1.2.2.2 |
| 07-Jun-1997 |
cgd | sync syng thorpej-bus-dma changes with alpha-nwscons branch (pass 2)
|
| 1.2.2.1 |
| 07-Jun-1997 |
cgd | file sgmapvar.h was added on branch alpha-nwscons on 1997-06-07 05:47:23 +0000
|
| 1.10.12.1 |
| 05-Jan-2001 |
bouyer | Sync with HEAD
|
| 1.12.4.1 |
| 03-Aug-2001 |
lukem | update to -current
|
| 1.13.2.2 |
| 19-Jul-2001 |
thorpej | Simplify the SGMAP code a bit, and move SGVA allocation out of a
common routine into the individual load routines, since each load
routine needs to muddle with the "internals" of this operation.
Add a `prefetch threshold' member to the bus_dma_tag_t, so that
eventually we can determine whether or not to allocate a spill
page on a per-mapping basis.
|
| 1.13.2.1 |
| 19-Jul-2001 |
thorpej | file sgmapvar.h was added on branch nathanw_sa on 2001-07-19 04:27:38 +0000
|
| 1.14.108.1 |
| 16-May-2008 |
yamt | sync with head.
|
| 1.14.106.1 |
| 18-May-2008 |
yamt | sync with head.
|
| 1.14.104.1 |
| 02-Jun-2008 |
mjf | Sync with HEAD.
|
