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History log of /src/sys/dev/ic/icp.c
RevisionDateAuthorComments
 1.37  10-Apr-2022  andvar fix various typos in comments and output/log messages.
 1.36  07-Aug-2021  thorpej Merge thorpej-cfargs2.
 1.35  24-Apr-2021  thorpej branches: 1.35.8;
Merge thorpej-cfargs branch:

Simplify and make extensible the config_search() / config_found() /
config_attach() interfaces: rather than having different variants for
which arguments you want pass along, just have a single call that
takes a variadic list of tag-value arguments.

Adjust all call sites:
- Simplify wherever possible; don't pass along arguments that aren't
actually needed.
- Don't be explicit about what interface attribute is attaching if
the device only has one. (More simplification.)
- Add a config_probe() function to be used in indirect configuiration
situations, making is visibly easier to see when indirect config is
in play, and allowing for future change in semantics. (As of now,
this is just a wrapper around config_match(), but that is an
implementation detail.)

Remove unnecessary or redundant interface attributes where they're not
needed.

There are currently 5 "cfargs" defined:
- CFARG_SUBMATCH (submatch function for direct config)
- CFARG_SEARCH (search function for indirect config)
- CFARG_IATTR (interface attribte)
- CFARG_LOCATORS (locators array)
- CFARG_DEVHANDLE (devhandle_t - wraps OFW, ACPI, etc. handles)

...and a sentinel value CFARG_EOL.

Add some extra sanity checking to ensure that interface attributes
aren't ambiguous.

Use CFARG_DEVHANDLE in MI FDT, OFW, and ACPI code, and macppc and shark
ports to associate those device handles with device_t instance. This
will trickle trough to more places over time (need back-end for pre-OFW
Sun OBP; any others?).
 1.34  14-Aug-2020  chs branches: 1.34.4;
restore the initialization of icp->icp_ccbs that I removed by mistake.
 1.33  10-Nov-2019  chs in many device attach paths, allocate memory with M_WAITOK instead of M_NOWAIT
and remove code to handle failures that can no longer happen.
 1.32  18-Oct-2019  msaitoh s/initalize/initialize/ in comment or printf message.
 1.31  27-Oct-2012  chs branches: 1.31.38;
split device_t/softc for all remaining drivers.
replace "struct device *" with "device_t".
use device_xname(), device_unit(), etc.
 1.30  13-Nov-2010  uebayasi branches: 1.30.8; 1.30.18;
Don't pull in the whole uvm(9) API to access only PAGE_SIZE and
some other constants. These are provided by sys/param.h now.
 1.29  30-Apr-2008  ad branches: 1.29.22;
Make various bits of debug code compile again.
 1.28  28-Apr-2008  martin Remove clause 3 and 4 from TNF licenses
 1.27  08-Apr-2008  cegger branches: 1.27.2; 1.27.4;
use aprint_*_dev and device_xname
 1.26  19-Oct-2007  ad branches: 1.26.16;
machine/{bus,cpu,intr}.h -> sys/{bus,cpu,intr}.h
 1.25  09-Jul-2007  ad branches: 1.25.6; 1.25.8; 1.25.12;
Merge some of the less invasive changes from the vmlocking branch:

- kthread, callout, devsw API changes
- select()/poll() improvements
- miscellaneous MT safety improvements
 1.24  11-Mar-2007  ad branches: 1.24.2;
Remove a use of lockmgr/LOCK_INITIALIZER.
 1.23  04-Mar-2007  christos branches: 1.23.2;
Kill caddr_t; there will be some MI fallout, but it will be fixed shortly.
 1.22  16-Nov-2006  christos branches: 1.22.4;
__unused removal on arguments; approved by core.
 1.21  12-Oct-2006  christos - sprinkle __unused on function decls.
- fix a couple of unused bugs
- no more -Wno-unused for i386
 1.20  07-Jun-2006  kardel branches: 1.20.6; 1.20.8;
merge FreeBSD timecounters from branch simonb-timecounters
- struct timeval time is gone
time.tv_sec -> time_second
- struct timeval mono_time is gone
mono_time.tv_sec -> time_uptime
- access to time via
{get,}{micro,nano,bin}time()
get* versions are fast but less precise
- support NTP nanokernel implementation (NTP API 4)
- further reading:
Timecounter Paper: http://phk.freebsd.dk/pubs/timecounter.pdf
NTP Nanokernel: http://www.eecis.udel.edu/~mills/ntp/html/kern.html
 1.19  28-Mar-2006  thorpej branches: 1.19.2;
Use device_unit().
 1.18  29-Jan-2006  dsl branches: 1.18.2; 1.18.4; 1.18.6; 1.18.8; 1.18.10;
Make almost everything #include <sys/bswap.h> instead of <machine/bswap.h>
The bswap.h and endian.h files are all rather incestuous, but I want to
get the constant folding stuff into one place - sys/bswap.h
 1.17  11-Dec-2005  christos branches: 1.17.2;
merge ktrace-lwp.
 1.16  25-Aug-2005  drochner kill a number of autoconf submatch functions which follow the
standard scheme:
if (<configured> != <wildcard> && <configured> != <real>)
then fail
else
ask device match function

This is handled by config_stdsubmatch() now.
 1.15  25-Aug-2005  drochner replace the "locdesc_t" structure carrying the number of locators
explicitely by a plain integer array
the length in now known to all relevant parties, so this avoids
duplication of information, and we can allocate that thing in
drivers without hacks
 1.14  27-Feb-2005  perry branches: 1.14.4;
nuke trailing whitespace
 1.13  13-Sep-2004  drochner branches: 1.13.4; 1.13.6;
a round of autoconf cleanup:
-convert submatch() style functions (passed to config_search() or
config_found_sm()) to the locator passing variants
-pass interface attributes in some cases
-make submatch() functions look uniformly as far as possible
-avoid macros which just hide cfdata members, and reduce dependencies
on "locators.h"
 1.12  29-Oct-2003  mycroft Remove bogus initializer, and fix a typo in a loop variable instead.
 1.11  25-Oct-2003  christos Fix uninitialized variable warnings
 1.10  13-Jun-2003  thorpej branches: 1.10.2;
Add support for dynamic rescan of cache service logical drives, using
the ioctl issued by the ICP RAID management libraries (used by the
storcon and iirconfig tools). This requires some infrastructure changes:
* Add a "service callback" mechanism that the ld driver (cache service)
and the iopsp driver (raw service) can register with the icp parent.
Right now this callback allows the children to adjust their notion of
how many command openings are available.
* Add a mutex around the icp ioctl handler, allowing only one thread
to execute an ioctl at a time.
* Add a way to freeze the controller command queue. We stop all I/O
while processing rescans (due to the semantics of icp_cmd()).
* Make icp_cmd() work when !cold.
* Add detach support to ld@icp.
 1.9  17-May-2003  thorpej Another fix from Achim Leubner @ ICP:

Test-busy *before* marking the controller as processing a user ioctl,
otherwise the command queue could stall permanently if test-busy returned
true.
 1.8  13-May-2003  thorpej Add support for the user-generated command interface and event logging
required by the ICP-Vortex management tools. Many thanks to Achim Leubner
at ICP-Vortex for a few bug fixes and for testing.
 1.7  31-Jan-2003  thorpej Use aprint_*().
 1.6  01-Jan-2003  thorpej Use aprint_normal() in cfprint routines.
 1.5  22-Oct-2002  simonb In icp_init(), initialise the "state" variable before incrementing it.
 1.4  27-Sep-2002  provos remove trailing \n in panic(). approved perry.
 1.3  27-Sep-2002  thorpej Introduce a new routine, config_match(), which invokes the
cfattach->ca_match function in behalf of the caller. Use it
rather than invoking cfattach->ca_match directly.
 1.2  01-Jun-2002  lukem branches: 1.2.2; 1.2.4;
SIMPLEQ rototill:
- implement SIMPLEQ_REMOVE(head, elm, type, field). whilst it's O(n),
this mirrors the functionality of SLIST_REMOVE() (the other
singly-linked list type) and FreeBSD's STAILQ_REMOVE()
- remove the unnecessary elm arg from SIMPLEQ_REMOVE_HEAD().
this mirrors the functionality of SLIST_REMOVE_HEAD() (the other
singly-linked list type) and FreeBSD's STAILQ_REMOVE_HEAD()
- remove notes about SIMPLEQ not supporting arbitrary element removal
- use SIMPLEQ_FOREACH() instead of home-grown for loops
- use SIMPLEQ_EMPTY() appropriately
- use SIMPLEQ_*() instead of accessing sqh_first,sqh_last,sqe_next directly
- reorder manual page; be consistent about how the types are listed
- other minor cleanups
 1.1  22-Apr-2002  ad branches: 1.1.2;
Add a driver for ICP-Vortex GDT and Intel Storage RAID controllers. Parts
taken from OpenBSD. Test hardware kindly provided by Intel. This still needs
management bits, and doesn't support older controllers, but that shouldn't
be hard to fix.
 1.1.2.1  20-Jun-2002  gehenna catch up with -current.
 1.2.4.3  10-Oct-2002  jdolecek sync kqueue with -current; this includes merge of gehenna-devsw branch,
merge of i386 MP branch, and part of autoconf rototil work
 1.2.4.2  23-Jun-2002  jdolecek catch up with -current on kqueue branch
 1.2.4.1  01-Jun-2002  jdolecek file icp.c was added on branch kqueue on 2002-06-23 17:46:28 +0000
 1.2.2.5  03-Jan-2003  thorpej Sync with HEAD.
 1.2.2.4  11-Nov-2002  nathanw Catch up to -current
 1.2.2.3  18-Oct-2002  nathanw Catch up to -current.
 1.2.2.2  20-Jun-2002  nathanw Catch up to -current.
 1.2.2.1  01-Jun-2002  nathanw file icp.c was added on branch nathanw_sa on 2002-06-20 03:44:40 +0000
 1.10.2.5  10-Nov-2005  skrll Sync with HEAD. Here we go again...
 1.10.2.4  04-Mar-2005  skrll Sync with HEAD.

Hi Perry!
 1.10.2.3  21-Sep-2004  skrll Fix the sync with head I botched.
 1.10.2.2  18-Sep-2004  skrll Sync with HEAD.
 1.10.2.1  03-Aug-2004  skrll Sync with HEAD
 1.13.6.1  19-Mar-2005  yamt sync with head. xen and whitespace. xen part is not finished.
 1.13.4.1  29-Apr-2005  kent sync with -current
 1.14.4.3  27-Oct-2007  yamt sync with head.
 1.14.4.2  03-Sep-2007  yamt sync with head.
 1.14.4.1  21-Jun-2006  yamt sync with head.
 1.17.2.1  01-Feb-2006  yamt sync with head.
 1.18.10.1  31-Mar-2006  tron Merge 2006-03-31 NetBSD-current into the "peter-altq" branch.
 1.18.8.1  19-Apr-2006  elad sync with head.
 1.18.6.2  26-Jun-2006  yamt sync with head.
 1.18.6.1  01-Apr-2006  yamt sync with head.
 1.18.4.2  22-Apr-2006  simonb Sync with head.
 1.18.4.1  04-Feb-2006  simonb Adapt for timecounters: mostly use get*time() and use "time_second"
instead of "time.tv_sec".
 1.18.2.1  09-Sep-2006  rpaulo sync with head
 1.19.2.1  19-Jun-2006  chap Sync with head.
 1.20.8.2  10-Dec-2006  yamt sync with head.
 1.20.8.1  22-Oct-2006  yamt sync with head
 1.20.6.1  18-Nov-2006  ad Sync with head.
 1.22.4.1  12-Mar-2007  rmind Sync with HEAD.
 1.23.2.3  23-Oct-2007  ad Sync with head.
 1.23.2.2  01-Jul-2007  ad Adapt to callout API change.
 1.23.2.1  13-Mar-2007  ad Sync with head.
 1.24.2.1  11-Jul-2007  mjf Sync with head.
 1.25.12.1  25-Oct-2007  bouyer Sync with HEAD.
 1.25.8.1  06-Nov-2007  matt sync with HEAD
 1.25.6.1  26-Oct-2007  joerg Sync with HEAD.

Follow the merge of pmap.c on i386 and amd64 and move
pmap_init_tmp_pgtbl into arch/x86/x86/pmap.c. Modify the ACPI wakeup
code to restore CR4 before jumping back into kernel space as the large
page option might cover that.
 1.26.16.1  02-Jun-2008  mjf Sync with HEAD.
 1.27.4.1  16-May-2008  yamt sync with head.
 1.27.2.1  18-May-2008  yamt sync with head.
 1.29.22.1  05-Mar-2011  rmind sync with head
 1.30.18.1  20-Nov-2012  tls Resync to 2012-11-19 00:00:00 UTC
 1.30.8.1  30-Oct-2012  yamt sync with head
 1.31.38.1  13-Apr-2020  martin Mostly merge changes from HEAD upto 20200411
 1.34.4.2  22-Mar-2021  thorpej Audit CFARG_IATTR in config_found() calls, and remove it in situations
where the interface attribute is not ambiguous.
 1.34.4.1  22-Mar-2021  thorpej Mechanical conversion of config_found_sm_loc() -> config_found().
CFARG_IATTR usage needs to be audited.
 1.35.8.1  04-Aug-2021  thorpej Adapt to CFARGS().

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