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on sas hotplug. you can add and remove drives and the kernel will handle it
now.
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many luns, or the entire bus), dont report ENXIO as an error to the
caller. this broke autoconf when it tried to forcefully remove a
bus such as umass and it thought there was a failure.
this introduces a way for scsi hbas to call activate/deactivate on
a device based on its target/lun address via a call to scsi_activate().
they can then schedule the actual detach/attach in a thread later via
scsi_req_probe/detach.
the mpi changes tweak the sas event handling code to use these apis
to properly handle attaches and detaches of disks. event handling
is still disabled till i can make it less chatty.
umass breakage reported by form@
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logical IPL level, and per-platform (IP27/IP30/IP32) code will from the
necessary hardware mask registers.
This allows the use of more than one interrupt mask register. Also, the
generic (platform independent) interrupt code shrinks a lot, and the actual
interrupt handler chains and masking information is now per-platform private
data.
Interrupt dispatching is generated from a template; more routines will be
added to the template to reduce platform-specific changes and share as much
code as possible.
Tested on IP27, IP30, IP32 and IP35.
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From an ATI commit to various Linux drivers, via Brad.
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sources were masked and saved in ci_ipending, as splx() will unmask what needs
to be unmasked anyway. ci_ipending only now needs to store pending soft
interrupts, so rename it to ci_softpending.
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Still unimplemented for now.
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does almost exactly what splx() is doing if ipending is zero, and triggers
soft interrupts as well.
So don't bother checking for ipending in splx, and always invoke pending_int,
which gets renamed as splx_handler for consistency.
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coprocessor 0 sr level might come back in the future if hardware support
requires it, but at the moment it's getting in the way of larger changes.
``In the Attic, noone can hear you scream''
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in the coprocessor 0 status register (coupled with ICR on rm7k/rm9k), and
may be completely alien to real hardware interrupt masks, so don't make
things unnecessary confusing.
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one pci bus can attach to an xbridge (if PIC) and both being `bus 0' would
make dmesg confusing.
While there, seize the opportunity of this new dmesg line to display the
bus mode (PCI or PCIX) and speed.
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RM7000_ICR, instead of IMASK_EXTERNAL, since they are actually different
concepts. This code remains disabled since RM7000_ICR is not defined anywhere
at the moment.
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IP35 systems.
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Paves the way for instrusive upcoming changes.
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us via splx().
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`restore cpl and invoke hw_setintrmask' slippery dance, just invoke splx().
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forgotten long ago and lingering in one of my trees since then...
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ok mpf@, jsg@
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mpf@, jsg@
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scsibusdetach wasnt doign it properly, so we would be leaking on detach in
some cases.
now, with the introduction of mpath, the scsi_link structures can
represent a path to a mpath node as well as normal devices. this
intercepts the device activate entrypoints and sends them to mpath
if it it in use rather than assuming a device is always there. the
scsibusdetach change ensures that detach always ends up handling
the mpath node case too.
hotplug bus functionality (eg, usb) tested by form@
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boundary.
miod "go for it."
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and no base has been enforced. Otherwise the leading number of the mec(4)
08:00:69:xx:yy:zz Ethernet address would be interpreted as octal base,
followed by an out-of-range `8' which is now rejected but incorrectly
skipped; noticed by maja@
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ok jakemsr@
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uses of it in our tree.
ok krw@ deraadt@
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no binary change apart from nfsm_reqhead() which is clearly correct.
ok thib@
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bsd) unless some other object has changed. Rebuild and reinstall
in /usr/src/usr.sbin/config/ after updating!
"I like it" deraadt@
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Tested by bwaichu@yahoo.com.
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needs to be told to use the nvidia specific quirks to
detect attached devices.
From and tested by minusf@obiit.org
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link-route points over the carp interface. (IP-less carpdev)
The descision whether to drop an ARP query is now expressed with
a goto out; rather than a second check later, which prevented
the carpdev case to work. Also add some comments to make
in_arpinput() easier to understand.
OK henning, markus.
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they do have bSynchAddress set to 0 in their endpoint descriptor.
uaudio(4) used to not handle that correctly, but now does.
positive response from krw, deraadt, ratchov
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From and tested by minusf@obiit.org
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as being AHCI based on pcidump information from minusf@obiit.org
I'm sure there are more, but who knows which they are without docs.
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that the timeout doesn't happen if setitimer is called between the
profiling / virtual timer expires and the timeout is scheduled.
firefox triggered this Profiling timer expired problem when in
uthread execve signal was being delivered after timer has already
been disabled; as reported on ports@ recently.
special thanks to kettenis@, kurt@, guenther@.
agreed by kettenis@, tedu@. ok guenther@.
reminded & ok fgs@. tested by ian@.
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on all systems but O2 (to catch up soon). Also use the IOC4 MCR register to
figure out the IOC4 clock, instead of checking the widget control register,
to be consistent with iof(4).
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and add comments explaining why it's very unlikely we'll ever see TIO
widgets on mips-based SGI systems (unless someone builds a Mengele-style
XIO link).
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