This branch is now considered frozen: future bhyve development will take
place in a branch off -CURRENT.
sys/dev/bvm/bvm_console.c
sys/dev/bvm/bvm_dbg.c
- simple console driver/gdb debug port used for bringup. supported
by user-space bhyve executable
sys/conf/options.amd64
sys/amd64/amd64/minidump_machdep.c
- allow NKPT to be set in the kernel config file
sys/amd64/conf/GENERIC
- mptable config options; bhyve user-space executable creates an mptable
with number of CPUs, and optional vendor extension
- add bvm console/debug
- set NKPT to 512 to allow loading of large RAM disks from the loader
- include kdb/gdb
sys/amd64/amd64/local_apic.c
sys/amd64/amd64/apic_vector.S
sys/amd64/include/specialreg.h
- if x2apic mode available, use MSRs to access the local APIC, otherwise
fall back to 'classic' MMIO mode
sys/amd64/amd64/mp_machdep.c
- support AP spinup on CPU models that don't have real-mode support by
overwriting the real-mode page with a message that supplies the bhyve
user-space executable with enough information to start the AP directly
in 64-bit mode.
sys/amd64/amd64/vm_machdep.c
- insert pause statements into cpu shutdown busy-wait loops
sys/dev/blackhole/blackhole.c
sys/modules/blackhole/Makefile
- boot-time loadable module that claims all PCI bus/slot/funcs specified
in an env var that are to be used for PCI passthrough
sys/amd64/amd64/intr_machdep.c
- allow round-robin assignment of device interrupts to CPUs to be disabled
from the loader
sys/amd64/include/bus.h
- convert string ins/outs instructions to loops of individual in/out since
bhyve doesn't support these yet
sys/kern/subr_bus.c
- if the device was no created with a fixed devclass, then remove it's
association with the devclass it was associated with during probe.
Otherwise, new drivers do not get a chance to probe/attach since the
device will stay married to the first driver that it probed successfully
but failed to attach.
Sponsored by: NetApp, Inc.
vmm.ko - kernel module for VT-x, VT-d and hypervisor control
bhyve - user-space sequencer and i/o emulation
vmmctl - dump of hypervisor register state
libvmm - front-end to vmm.ko chardev interface
bhyve was designed and implemented by Neel Natu.
Thanks to the following folk from NetApp who helped to make this available:
Joe CaraDonna
Peter Snyder
Jeff Heller
Sandeep Mann
Steve Miller
Brian Pawlowski
add the entry for 8.0-RELEASE which was added to releng/8.0/UPDATING
during the 8.0-RELEASE cycle but not to stable/8/UPDATING at that time.
Approved by: re (implicit)
- Pin the IPI cache and TLB demap functions in order to prevent migration
between determining the other CPUs and calling cpu_ipi_selected(), which
apart from generally doing the wrong thing can lead to a panic when a
CPU is told to IPI itself (which sun4u doesn't support).
Reported and tested by: Nathaniel W Filardo
- Add __unused where appropriate.
Approved by: re (kib)
> Package set for 8.1-RELEASE. We still have a 2Gb maximum file size
> limit caused by cvsup still being used for some of our mirror system.
> That is being worked on.
Reviewed by: re@, portmgr@
Approved by: re (implicit)
* Do not dereference a NULL pointer when calling an SCTP send syscall
not providing a destination address and using ktrace.
* Do not copy out kernel memory when providing sinfo for sctp_recvmsg().
Both bugs where reported by Valentin Nechayev.
The first bug results in a kernel panic.
Approved by: re@
r209175:
Eliminate dead code.
Found by: Coverity Prevent
CID: 5158
r209177:
Remove macros that are not really needed. The idea was to have them in case
we grow more descriptors, but I'll reconsider readding them once we get there.
Passing (a = b) expression to FD_ISSET() is bad idea, as FD_ISSET() evaluates
its argument twice.
Found by: Coverity Prevent
CID: 5243
r209179:
Plug memory leaks.
Found by: Coverity Prevent
CID: 7052, 7053, 7054, 7055
r209180:
Plug memory leak.
Found by: Coverity Prevent
CID: 7051
r209181:
Plug memory leak.
Found by: Coverity Prevent
CID: 7056
r209182:
Plug memory leak.
Found by: Coverity Prevent
CID: 7057
r209183:
Initialize gctl_seq for synchronization requests.
Reported by: hiroshi@soupacific.com
Analysed by: Mikolaj Golub <to.my.trociny@gmail.com>
Tested by: hiroshi@soupacific.com, Mikolaj Golub <to.my.trociny@gmail.com>
r209184:
Fix typos.
r209185:
Correct various log messages.
Submitted by: Mikolaj Golub <to.my.trociny@gmail.com>
Note that without some of these changes hastd won't work on 8.x properly.
Approved by: re (kensmith)
r209186:
BIO_DELETE contains range we want to delete and doesn't provide any
useful data, so there is no need to copy it to userland.
r209187:
'unit' can be negative, so use signed type for it.
Found by: Coverity Prevent
CID: 3731
Approved by: re (kensmith)
When updating individual CPU's lowest Cx state to use, never set it to a
state lower than the lowest one supported by the current CPU. This closes
some races with changes to the hw.acpi.cpu_cx_lowest sysctl while Cx
states for individual CPUs were changing (e.g. unplugging the AC adapter
of a laptop) that could result in panics.
Approved by: re (kib)
Temporarily disable instruction relocation while setting up the kernel's
IBAT entry in early boot in order to prevent possible faults from races
between the instruction cache and the MMU.
PR: powerpc/148003
Approved by: re (kib)
* Fix a bug where the length of the ASCONF-ACK was calculated wrong due
to using an uninitialized variable.
* Fix a bug where a NULL pointer was dereferenced when interfaces
come and go at a high rate.
* Fix a bug where inps where not deregistered from iterators.
* Fix a race condition in freeing an association.
* Fix a refcount problem related to the iterator.
Each of the above bug results in a panic. It shows up when
interfaces come and go at a high rate.
Approved by: re
o Bump MAX_BPAGES from 256 to 1024.
o Synchronize the kernel entry on all CPUs with the use of the ptc.g
instruction on a single CPU by implementing a bare-bones readers-
writer lock.
Approved by: re (kensmith)
r209260:
Backout r207970 for now, it can lead to deadlocks.
Reported by: kan
r209261:
Turn off UMA allocations on all archs by default. It isn't stable even
on amd64.
Reported by: many
Approved by: re (kib)
Fix uninitialized variables that cause a crash when the network is
initialized and sysinstall is not running as init.
Submitted by: Nick Mills
Approved by: cperciva (mentor)
Approved by: re (kensmith)
- make sure that initialize isb with fstat() on
input file before using it. (bin/147275)
- Fix grammar for st_nlink.
- Style changes.
PR: bin/147275
Approved by: re (kensmith)
Detect bit endianness through machine/endian.h.
This fixes xz on big-endian systems.
Tested on: sparc64 (kindly provided by linimon), amd64
Approved by: re (kensmith)
- Mention that VTOC8 labels are found in Fujitsu SPARC64 machines as well.
- Add information regarding VTOC8 bootrstrap code and how it's handled with
r208777 in place.
- Document the mapping of partition types to VTOC8 tags.
- Add examples for VTOC8 to the respective section.
- Eliminated hard sentence breaks.
Reviewed by: marcel (slightly buggy version)
Approved by: re (bz)
- In gpart_bootfile_read() fix an off-by-one error preventing the bootstrap
file to be of maximum size.
- Add special handling required for SMI/VTOC8 disklabel partcode, i.e. avoid
overwriting the label when writing the bootstrap code to the partition
starting at 0 and install it to all partitions when the -i option is omitted
just like geom_sunlabel(4) and sunlabel(8) do by default.
- Add missing prototypes.
- Add const where applicable.
Reviewed by: marcel
Approved by: re (kib)
3 Fixes -
a) There was a case where a ICMP message could cause
us to return leaving a stuck lock on an stcb.
b) The iterator needed some tweaks to fix its lock
ordering.
c) The ITERATOR_LOCK is no longer needed in the freeing
of a stcb. Now that the timer based one is gone we don't
have a multiple resume situation. Add to that that there
was somewhere a path out of the freeing of an assoc that
did NOT release the iterator_lock.. it was time to clean
this old code up and in the process fix the lock bug.
Approved by: re (bz)
Bring in a number of netfront changes:
r199549 | jhb
Remove commented out reference to if_watchdog and an assignment of zero to
if_timer.
Reviewed by: scottl
r199997 | gibbs
Add media ioctl support and link notifications so that devd will attempt
to run dhclient on a netfront (xn) device that is setup for DHCP in
/etc/rc.conf.
PR: kern/136251 (fixed differently than the submitted patch)
r204158 | kmacy
- make printf conditional
- fix witness warnings by making configuration lock a mutex
r207673 | joel
Switch to our preferred 2-clause BSD license.
Approved by: kmacy
r208901 | ken
A number of netfront fixes and stability improvements:
- Re-enable TSO. This was broken previously due to CSUM_TSO clearing the
CSUM_TCP flag, so our checksum flags were incorrectly set going to the
netback driver. That was fixed in r206844 in tcp_output.c, so we can
turn TSO back on here.
- Fix the way transmit slots are calculated, so that we can't overfill
the ring.
- Avoid sending packets with more fragments/segments than netback can
handle. The Linux netback code can only handle packets of
MAX_SKB_FRAGS, which turns out to be 18 on machines with 4K pages. We
can easily generate packets with 32 or so fragments with TSO turned on.
Right now the solution is just to drop the packets (since netback
doesn't seem to handle it gracefully), but we should come up with a way
to allow a driver to tell the TCP stack the maximum number of fragments
it can handle in a single packet.
- Fix the way the consumer is tracked in the receive path. It could get
out of sync fairly easily.
- Use standard Xen ring macros to make it clearer how netfront is using
the rings.
- Get rid of Linux-ish negative errno return values.
- Added more documentation to the driver.
- Refactored code to make it easier to read.
- Some other minor fixes.
Reviewed by: gibbs
Sponsored by: Spectra Logic
Approved by: re (bz)
Program the K2 SATA controller's interrupt to be level-triggered low, and
respect the edge/level settings in the device tree.
OpenPIC on powerpc sets interrupts to be level high by default. On Apple
interrupt controllers, all level interrupts are low regardless of
programming except interrupt 0, used by K2 SATA on some Apple systems, with
the result that the K2 SATA IRQ is misconfigured. Pending review of changes
to this default, work around this by changing the programming of the K2
SATA interrupt to level low.
Approved by: re (kib)
Some revisions of the Serverworks K2 SATA controller have a data
corruption bug where if an ATA command is issued before DMA is started,
data will become available to the controller before it knows what to do
with it. This results in either data corruption or a controller crash.
This patch remedies the problem by adopting the workaround employed
by Linux and Darwin: starting the DMA engine prior to sending the ATA
command.
Reviewed by: mav
Approved by: re (kib)
There's a parsing error for fields where addresses are not separated by
space. This is often produced by MS Outlook.
PR: bin/131861
Submitted by: Pete French <petefrench at ticketswitch.com>
Tested by: Pete French
Reviewed by: mikeh
Approved by: re (kib)
Fix a number of bugs and race conditions.
r208160: Bring back of the iterator thread. It now properly handles VNETS
having only one thread. The old timer based code was full of
LOR's and other issues.
r208852: Cleanup bug. Basically when an un-accepted socket was hanging on a
closed listener, we would leak the inp never cleaning it up
r208853: Enhance the use under invarients of the audit for locks function
and fix a bug where a close collision with a cookie being processed
would cause a crash.
r208854: Use the proper increment macros when working with the
sent_queue_retran_cnt
r208855: Align comments properly, Fix a bug where we were NOT looking at the
resend markings for control chunks and also not decrementing the
retran count which caused extra calls to retransmission. Alos add
a valid no locks call to the output routine.
r208856: Spacing issues in auth/bsd addr.
r208857: Get rid of a windows ifdef that somehow leaked in
r208863: Missing error leg returns in some failure cases
r208864: LOR fix between the iterator and sctp_inpcb_close
r208874: Don't call the sctp_inpcb_free from abort an association since you
don't know what locks you hold and a timer will take care of the
situation when the gone flag is set
r208875: sctp_inpcb_free bug - a socket under the right situation could get
stuck (from the accept queue) and never start the proper cleanup
timer)
r208876: Further enhance invariant lock validation, Fix a bug where a closed
socket and a INIT-ACK could collide and cause a crash
r208878: Clear up another bug in sctp_inpcb_free where we would end up due
to a race in freeing hit a destroy of a contended lock.
r208879: Optimize the cleanup and make some additional fixes in the sysctl
code so that it won't reference a GONE INP and crash us
r208883 & r208891: Fix so we don't open a hole between a sock lock and a call
to socantrcvmore.. we could before hit a race that would kill the
socket underneath us leading to a crash
r208897: CUM-ACK calculation was messed up. So basically large message got
broken from the original NR_sack integration.
r208902: Make sure that we don't move a bit to the NR array that is behind
the cum-ack
r208952: Use both bit maps to calculte the cum-ack.
r208953: Fix bug having to do with freeing an sctp_inpcb_free().
1) make sure not to remove the flag until you get the lock again.
2) make sure all log_closing calls hold the lock.
3) Release all the locks when everthing is done and call callout_drain
not callout_stop..
r208970: Fix some places on user allocation of a new sctp_inpcb where we run
out of resource that we make sure to NULL the so_pcb pointer.
Approved by: re - (bz@freebsd.org)
