vcpu and destroy its thread context. Also modify the 'HLT' processing to ignore
pending interrupts in the IRR if interrupts have been disabled by the guest.
The interrupt cannot be injected into the guest in any case so resuming it
is futile.
With this change "halt" from a Linux guest works correctly.
Reviewed by: grehan@
Tested by: Tycho Nightingale (tycho.nightingale@pluribusnetworks.com)
+ Remove UNAME_P=$(...) from startup/misc -- already supplied by common.subr
+ Use f_getvar instead of $(eval echo \$$var) -- f_getvar is sub-shell free
+ Add `-e' and `-k var' options to f_eval_catch -- increasing use-cases
+ Use f_eval_catch to display errors on failure -- reducing duplicated code
+ Use f_eval_catch when we need output from a command -- improving debugging
+ Optimize f_isinter of strings.subr for performance -- now sub-shell free
+ Improve error checking on pidfiles -- using f_eval_catch and f_isinteger
+ Use $var_to_set arg of f_ifconfig_{inet,netmask} -- eliminate sub-shells
+ Use f_sprintf instead of $(printf ...) -- consolidate sub-shells
+ Use $var_to_set arg of f_route_get_default -- eliminate sub-shells
+ Add f_count to replace $(set -- ...;echo $#) -- eliminate sub-shells
+ Add f_count_ifs to replace $(IFS=x;set -- ...;echo $#) -- no sub-shells
+ Replace var="$var${var:+ }..." in loops with var="$var ..." with a follow-
up var="${var# }" to trim leading whitespace -- optimize loops
+ Use $var_to_set arg of f_resolv_conf_nameservers -- eliminate sub-shells
+ Comments for the f_eval_catch function
+ Remove a duplicate `local ... desc ...' in f_device_get_all of device.subr
+ Use $var_to_set arg of f_device_capacity -- eliminate sub-shells
+ Whitespace fixes in f_dialog_init of dialog.subr
+ Optimize f_inet_atoi of media/tcpip.subr for performance -- sub-shell free
+ In several cases, send stderr to /dev/null -- clean up runtime execution
+ Change f_err of common.subr to go to program stderr not terminal stderr,
allowing redirection of output from functions that use f_err
+ Disable debugging when using f_getvar to get variable argument to
f_startup_rcconf_map_expand of startup/rcconf.subr
+ Use f_replace_all instead of $(echo ... | tr | sed) -- performance
+ Add a $var_to_set option to f_index_{file,menusel_{command,keyword}} of
common.subr -- centralize sub-shells
shifts into the sign bit. Instead use (1U << 31) which gets the
expected result.
This fix is not ideal as it assumes a 32 bit int, but does fix the issue
for most cases.
A similar change was made in OpenBSD.
Discussed with: -arch, rdivacky
Reviewed by: cperciva
requires process descriptors to work and having PROCDESC in GENERIC
seems not enough, especially that we hope to have more and more consumers
in the base.
MFC after: 3 days
commit level triggered interrupts would work as long as the pin was not shared
among multiple interrupt sources.
The vlapic now keeps track of level triggered interrupts in the trigger mode
register and will forward the EOI for a level triggered interrupt to the
vioapic. The vioapic in turn uses the EOI to sample the level on the pin and
re-inject the vector if the pin is still asserted.
The vhpet is the first consumer of level triggered interrupts and advertises
that it can generate interrupts on pins 20 through 23 of the vioapic.
Discussed with: grehan@
would exceed the maximum size. This can be a difficult problem to diagnose
if one is, for instance, using -s with a fixed size in a script and the bsize
calculated for a filesystem image changes, necessitating a re-rounding of the
image size or a hand-setting of the bsize. Previously one would get a
cryptic message about how the size exceeded the maximum size, which normally
only happens if the contents of the image are larger than specified.
bhyveload: introduce the -c <device> parameter
to select a tty for output (or "stdio")
bhyve: allow the puc and lpc-com backends to
accept a tty in addition to "stdio"
When used in conjunction with the null-modem device,
nmdm(4), this allows attach/detach to the guest console
and multiple concurrent serial ports. kgdb on a serial
port is now functional.
Reviewed by: neel
Requested by: Almost everyone that has used bhyve
MFC after: 10.0
Table is 22 bits, with the bit 31 being the interrupt-on-completion
bit.
OpenBSD and UEFI set this bit, resulting in large block i/o lengths
being sent to bhyve and coredumping the process. Fix by masking off
the relevant 22 bits when using the DBC field as a length.
Reviewed by: Zhixiang Yu
Discussed with: Tycho Nightingale (tycho.nightingale@pluribusnetworks.com)
MFC after: 10.0
actual value read by the guest from the device. The IOAPIC ID is now set to
zero in both MPtable/ACPI tables as well as in the ioapic device emulation.
Pointed out by: grehan@
bhyve supports a single timer block with 8 timers. The timers are all 32-bit
and capable of being operated in periodic mode. All timers support interrupt
delivery using MSI. Timers 0 and 1 also support legacy interrupt routing.
At the moment the timers are not connected to any ioapic pins but that will
be addressed in a subsequent commit.
This change is based on a patch from Tycho Nightingale (tycho.nightingale@pluribusnetworks.com).
to inject edge triggered legacy interrupts into the guest.
Start using the new API in device models that use edge triggered interrupts:
viz. the 8254 timer and the LPC/uart device emulation.
Submitted by: Tycho Nightingale (tycho.nightingale@pluribusnetworks.com)
`device.subr' framework (improving performane and reducing sub-shells). Next
improve the `device.subr' framework itself. Make use of the `flags' device
struct member for network interfaces to indicate if an interface is Active,
Wired Ethernet, or 802.11 Wireless. Functions have been added to make checks
against the `flags' bit-field quick and efficient. Last, add function for
rescanning the network to update the device registers. Remove an unnecessary
local (ifn) while we're here (use already provided local `if').
nmtree.
The mtree output used by mergemaster in this case was clearly not meant for
computer consumption and an approach based on -f <file1> -f <file2> would
probalby be a better idea, but this is a minimal change.
MFC after: 3 days
X-MFC-with: r258437
errors on re-entry for physical media). Also, while we're here, stop
ejecting the CDROM when we're done with it (but leave the functions for
later use so that we could perhaps -- from the installer standpoint -- use
it to eject the media after an install).
MFC after: 3 days
fix a bug where "pkg update" was not getting the value of PACKAGESITE.
NB: PACKAGESITE needs to be explicitly exported in support of children.
MFC after: 3 days
- Fix ALWAYS_INSTALL to take precedence over the FreeBSD ID checks.
In particular, always install a file where the only change was
the FreeBSD ID even if -F is specified.
- Fix the -F option in the case that the only upstream change is a
change in the FreeBSD ID and the local file is removed.
- Add tests for these two cases.
have zero length. Filesystem corruption will tend to truncate files, and
since these are short that's likely to result in them becoming empty.
Suggested by: Richard Clayton
Convinced by: rwatson
MFC after: 3 weeks
- A call was misplaced at the wrong level of nested if blocks, so that
the buffers for unix domain sockets (/dev/log, /dev/klog) were never
increased at all; they remained at a way-too-small default size of 4096.
- The function that was supposed to double the size of the buffer
sometimes did nothing, and sometimes installed a wildly-wrong buffer
size (either too large or too small) due to an unitialized 'slen'
variable passed to getsockopt(). Most often it doubled the UDP buffers
from 40k to 80k because accidentally there would be harmless stack
garbage in the unitialized variables.
- The whole concept of blindly doubling a socket's buffer size without
knowing what size it started at is a design flaw that has to be called a
bug. If the double_rbuf() function had worked at all (I.E., if the
other two bugs didn't exist) this would lead to UDP sockets having an
80k buffer while unix dgram sockets get an 8k buffer. There's nothing
about the problem being solved that requires larger buffers for UDP than
for unix dgram sockets -- the buffering requirements are the same
regardless of socket type.
This change renames the double_rbuf() function to increase_rbuf() and
increases the buffer size on all types of sockets to 80k. 80k was
chosen only because it appears to be the size the original change was
shooting for, and it certainly seems to be reasonably large (I might
have picked 64k in the absence of any historical guidance).
PR: 160433
Submitted by: me, in 2011.
upcoming in-kernel device emulations like the HPET.
The ioctls VM_IOAPIC_ASSERT_IRQ and VM_IOAPIC_DEASSERT_IRQ are used to
manipulate the ioapic pin state.
Discussed with: grehan@
Submitted by: Tycho Nightingale (tycho.nightingale@pluribusnetworks.com)
passed to mergemaster. In this mode, only changes to /etc/master.passwd
and /etc/group are merged to /etc. In addition, it uses a temporary
tree to stage these changes rather than overwriting the existing
'current' and 'previous' trees so that a full update can be run after
a normal installworld has completed.
MFC after: 2 weeks
The effects of this patch would only be noticeable if you were purposefully
setting a bad value and trying to see what happens; and leaving the disks
intact if a bad value has been set seems fair.
When bsdinstall(8) sources the bsdconfig(8) common.subr file,
PKG_ABI is set by calling 'pkg -vv' and searching for the ABI
pkg(8) will use.
When pkg(8) is run for the first time, the bootstrap process
is run, which prompts for 'y/N' input from stdin if running with
TERM set.
Since TERM is set and it is the first time pkg(8) is run, which
happens automatically, bsdinstall(8) hangs waiting for user input
which is never displayed since a specific line is expected by
awk(1), and stdin is expected by pkg(8).
Set ASSUME_ALWAYS_YES=1, which will cause pkg(8) to assume the
'-y' flag is also used for the bootstrap process, allowing
bsdinstall(8) to proceed to the keymap lookup, otherwise
bsdinstall(8) appears to hang after selecting 'Install' from the
menu on first boot from CDROM.
pin 2 of the IOAPIC.
Add an 'Interrupt Source Override' entry to the MADT to describe this
and start asserting interrupts on pin 2 in the 8254 device model.
Submitted by: Tycho Nightingale (tycho.nightingale@pluribusnetworks.com)
and INDEX-NEW and compare them, not generate the same list of directories
from INDEX-OLD twice...
Pointy hats to: cperciva & everybody who didn't proofread EN-13:04 enough
+ Add a `-D FILE" command-line option for overriding the path to the
bsdinstall log file (BSDINSTALL_LOG env var).
+ Document new `-D FILE' in the man page for bsdinstall.
+ If FILE in `-D FILE' begins with a +, debug output goes to stdout
(interleaved between dialog(1) invocations/output) as well as to FILE
(minus the leading + of course).
+ If BSDINSTALL_LOG cannot be written, then debugging is disabled (except in
the case of a leading + in the pathname, wherein debug will still be
printed to stdout).
+ Update source code formatting style.
+ Fix a dangling participle ("Begun ..." -> "Began ...")
+ Rewrite the docsinstall script (was necessary to abate direct dependency
on BSDINSTALL_LOG (instead, use fault-tolerant bsdconfig framework which
displays appropriate errors for package management).
NB: docsinstall is still using pkg(8) after this change.
+ Add additional debug output for dhclient/rtsol/wpa_cliscan
+ Display script errors in a textbox rather than just on stdout
+ Update many coments.
+ Add new f_show_err() API call (like f_show_msg but changes the dialog
title to "Error")(see bsdconfig's `common.subr').
+ Add new f_eval_catch() API call for executing a command via eval but not
before logging the command to debug. Several example cases documented in
API header for function in bsdconfig's `common.subr'.
+ Fix dialog auto-sizing when launched as an rvalue to a pipe for indirected
scripts (previously would default to 24x80 sizing in this case, now it can
autosize to full size even when in a pipe chain).
+ Fix bug in f_snprintf if $format argument began with "-"; printf would
misinterpret as a flag. (this is in bsdcofig's `strings.subr').
+ Add accompanying f_sprintf() and f_vsprintf() to go along with already
existing f_snprintf() and f_vsnprintf() (see bsdconfig's `strings.subr').
+ Remove some unnecessary default ZFS datasets from the automatic "zfsboot"
script. Such as: /usr/ports/distfiles /usr/ports/packages /usr/obj /var/db
/var/empty /var/mail and /var/run (these can all be created as-needed once
the system is installed).
+ Remove setuid=off for /usr/home (as discussed from last round of CFT).
+ Fix some i18n string violations in "zfsboot".
+ Bolster debugging output in "zfsboot".
+ Fix some string quoting issues in "zfsboot".
+ Fix some variable scope issues in "zfsboot".
+ Change "Create" to "Install" in "zfsboot" main menu.
+ Increase error checking in "zfsboot" (type-check arguments and such).
+ Add call to "graid destroy" killing automatic metadata (part of the series
of pedantic destructions we do when bootstrapping a new/naked disk).
+ Make judicious use of new f_eval_catch() in "zfsboot".
+ Fixup some variable names for consistency (zfsboot).
+ Fix an underride syntax parameter expansion folly (zfsboot).
+ Confirm layout if not explicitly chosen when blindly proceeding (no
longer have to touch anything on the ZFS menu if it scares you, just
choose the omnibus "Install" option at the top and you'll be prompted to
select vdev type and disks in the layout confirmation dialog).
+ Change numbered menu items to alphabetic for more efficient navigation.
+ Consolidate vdev selection and disk selection into a single stateful
menu which performs validation and allows backing out to each previous
menu as you go deeper.
+ Redesign the ``Last Chance'' dialog (still using the same colors, but
make it conform to a tolerable width and make disks appear in a block-
quote style indented region).
+ Fix a bug wherein we used the a lowercase variable name by accident
(actual variable name declared as all-uppercase) at the time of
initializing fstab(5) (not believed to cause any issues though).
+ Update the geli setup infobox for each provider being initialized
(not just at the onset -- since each ``geli init'' causes kernel messages
to push our infobox off-screen).
Reviewed by: Allan Jude <freebsd@allanjude.com>
Discussed on: -current
MFC after: 3 days
(get command) or if the current value is the same as what is desired
(set command). In those cases, the return status is success.
Otherwise, if the variable is unset (get command) or set to a different
value that what is desired (set command), returns with error status.
This is useful for puppet integration as well as everyday scripting.
Rather, prevent a bunch of debugging information from spewing onto the
screen when using the `describe' flag (misinterpreted as `debug' by
the automatatic initialization routines).
series of commands. Accepts the `-d' flag as a first argument to skip
displaying messages in a dialog box. The command is logged as it
appears to the shell prior to the first pass of parameter expansion to
allow copy/pasting into a real shell (opposed to simply echo'ing the
command which would produce debug output that has undergone at least one
pass of parameter expansion, thus no-longer copacetic for copy/paste).
Takes printf(1) style syntax and a utility identifier for error messages.
whether the debugFile is truncated upon initialization (useful for when
children implicitly re-initialize debugging and you want children to
append to your existing debugFile).
Remove the VM name from some of the thread-naming calls
since it is now in the proc title.
Slightly modify the thread-naming for the net and block
threads.
This improves readability when using top/ps with the -a
and -H options on a system with a large number of bhyve VMs.
Requested by: Michael Dexter
Reviewed by: neel
MFC after: 4 weeks
default from the very beginning. It was placed in wrong namespace
net.link.ether, originally it had been at another wrong namespace. It was
incorrectly documented at incorrect manual page arp(8). Since new-ARP commit,
the tunable have been consulted only on route addition, and ignored on route
deletion. Behaviour of a system with tunable turned off is not fully correct,
and has no advantages comparing to normal behavior.
of pkg(8) even if already installed.
This is useful if you somehow messup pkg(8) and need to reinstall from
remote with it already being registered in the pkg(8) /var/db/pkg database.
Also add some sanity checks to 'pkg add'.
Approved by: bapt
MFC after: 2 days
in order to be consistent with iSCSI terminology. Besides, calling the
option '-h' was just wrong.
This changes usage for newly added iscsictl(8), and two newly added
subcommands to ctladm(8). This breaks POLA between CURRENT and 10,
but since 10.0 has not been released yet, it's still ok to do.
MFC after: 3 days
Discussed with: re (glebius)
Sponsored by: FreeBSD Foundation
forwarding any command to it after installation.
This is useful if the only goal is to install pkg(8) without any extra
output.
Requested by: cperciva
Approved by: bapt
MFC after: 2 days
to a virtual machine then we implicitly create COM1 and COM2 ISA devices.
Prior to this change the only way of attaching a COM port to the virtual
machine was by presenting it as a PCI device that is mapped at the legacy
I/O address 0x3F8 or 0x2F8.
There were some issues with the original approach:
- It did not work at all with UEFI because UEFI will reprogram the PCI device
BARs and remap the COM1/COM2 ports at non-legacy addresses.
- OpenBSD GENERIC kernel does not create a /dev/console because it expects
the uart device at the legacy 0x3F8/0x2F8 address to be an ISA device.
- It was functional with a FreeBSD guest but caused the console to appear
on /dev/ttyu2 which was not intuitive.
The uart emulation is now independent of the bus on which it resides. Thus it
is possible to have uart devices on the PCI bus in addition to the legacy
COM1/COM2 devices behind the LPC bus.
The command line option to attach ISA COM1/COM2 ports to a virtual machine is
"-s <bus>,lpc -l com1,stdio".
The command line option to create a PCI-attached uart device is:
"-s <bus>,uart[,stdio]"
The command line option to create PCI-attached COM1/COM2 device is:
"-S <bus>,uart[,stdio]". This style of creating COM ports is deprecated.
Discussed with: grehan
Reviewed by: grehan
Submitted by: Tycho Nightingale (tycho.nightingale@pluribusnetworks.com)
M share/examples/bhyve/vmrun.sh
AM usr.sbin/bhyve/legacy_irq.c
AM usr.sbin/bhyve/legacy_irq.h
M usr.sbin/bhyve/Makefile
AM usr.sbin/bhyve/uart_emul.c
M usr.sbin/bhyve/bhyverun.c
AM usr.sbin/bhyve/uart_emul.h
M usr.sbin/bhyve/pci_uart.c
M usr.sbin/bhyve/pci_emul.c
M usr.sbin/bhyve/inout.c
M usr.sbin/bhyve/pci_emul.h
M usr.sbin/bhyve/inout.h
AM usr.sbin/bhyve/pci_lpc.c
AM usr.sbin/bhyve/pci_lpc.h
BIO_new_mem_buf takes a void* buf, but internally it never modifies the
buf. It assigns the buffer to another pointer and then marks it as
read-only. So deconsting it should be safe here.
Also fix warning about 'buf' possibly being unused in parse_cert()
Approved by: bapt
MFC after: 2 days
X-MFC-With: r257147
added with "pkg add". If the pkg.conf is configured to check for
signature, then the pkg.txz.sig file will be expected and validated
per r257147
Approved by: bapt
MFC after: 2 days
If the pkg.conf is configured with SIGNATURE_TYPE: FINGERPRINTS,
and FINGERPRINTS: /etc/keys/pkg then a pkg.sig file is fetched along
with pkg.txz. The signature contains the signature provided by the
signing server, and the public key. The .sig is the exact output
from the signing server in the following format:
SIGNATURE
<openssl signed>
CERT
<rsa public key>
END
The signature is verified with the following logic:
- If the .sig file is missing, it fails.
- If the .sig doesn't validate, it fails.
- If the public key in the .sig is not in the known trusted fingerprints,
it fails.
- If the public key is in the revoked key list, it fails.
Approved by: bapt
MFC after: 2 days
Discussed by: bapt with des, jonathan, gavin
For now only /etc/pkg/FreeBSD.conf is supported. Its style is:
Repo: {
URL: "...",
MIRROR_TYPE: "...",
...
}
The configuration will be read from /usr/local/etc/pkg.conf if exists,
otherwise /etc/pkg/FreeBSD.conf
Approved by: bapt
MFC after: 2 days
where a pin assertion while a source was masked would result in
the interrupt being lost, with the symptom being a console hang.
The condition is now recorded, and the interrupt generated when
the source is unmasked.
Discovered by: OpenBSD 5.4 MP
Reviewed by: neel
MFC after: 3 days
pkg 1.2 is adding this support as well. This should help
lessen the confusion on why the default SRV PACKAGESITE
does not load in a browser.
Adapated from: matthew's upstream pkg change
Approved by: bapt
MFC after: 2 days
at the end of the upgrade process, after warning users to upgrade any
3rd party software (e.g., from the ports tree) which might link to the
libraries being removed.
Prior to this commit, the line
/usr/lib/libc.so|...|/lib/libc.so.7
matched the regex, which -- upgrading from 9.x to 10.x, where libc.so is
a regular file and thus was not part of a line which matched the regex --
resulted in freebsd-update thinking that /usr/lib/libc.so was a shared
library which was being removed as part of the upgrade. This had some
unfortunate consequences.
This will be part of an upcoming Errata Notice.
- Use #defines for capability bits
- Export the VTBLK_F_BLK_SIZE capability
- Fix bug in calculating capacity: it is in
512-byte units, not the underlying sector size
This allows virtio-blk to have backing devices
with non 512-byte sector sizes e.g. /dev/cd0, and
4K-block harddrives.
Reviewed by: neel
MFC after: 3 days
- order srv records by priorities
- for all entries of the same priority, order randomly respect the weight
- select the port where to fetch from respect the port provided in the SRV record
Obtained from: pkg git repo
MFC after: 3 days
- remove assumption that the backing file/device had
512-byte sectors
- fix incorrect iovec size variable that would result
in a buffer overrun when an o/s issued an i/o request
with more s/g elements than the blockif api
Reviewed by: Zhixiang Yu (zxyu.core@gmail.com)
MFC after: 3 days
the cfi(4) driver. It remained in the tree longer than would be ideal
due to the time required to bring cfi(4) to feature parity.
Sponsored by: DARPA/AFRL
MFC after: 3 days
- Allow a hostbridge to be created with AMD as a vendor.
This passes the OpenBSD check to allow the use of MSI
on a PCI bus.
- Enable the i/o interrupt section of the mptable, and
populate it with unity ISA mappings. This allows the
'legacy' IRQ mappings of the PCI serial port to be
set up. Delete unused print routine that was obscuring code.
- Use the '-W' option to enable virtio single-vector MSI
rather than an environment variable. Update the virtio
net/block drivers to query this flag when setting up
interrupts.: bhyverun.c
- Fix the arithmetic used to derive the century byte in
RTC CMOS, as well as encoding it in BCD.
Reviewed by: neel
MFC after: 3 days
Linux writes to these nominally read-only registers,
so avoid having bhyve write warning messages to stdout
when the reg writes can be safely ignored. Change the
WPRINTF to DPRINTF which is conditional.
Reviewed by: mav
Discussed with: mav, Zhixiang Yu
MFC after: 3 days
from the command line.
The option syntax is "-e <name=value>". It may be used multiple times to set
multiple environment variables.
Reviewed by: grehan
Requested by: alfred
directories last.
This is generally handled by the fact that the list of filesystem objects
is sorted, but this sorting is broken by code which moves .so files ahead
(so that they're present before any binaries which use them)... that code
also moved .so files ahead of directories, which is a problem for upgrading
to 10.0 where there's a new directory containing new .so files.
Errata Notice Candidate.
'invpcid' instruction to the guest. Currently bhyve will try to enable this
capability unconditionally if it is available.
Consolidate code in bhyve to set the capabilities so it is no longer
duplicated in BSP and AP bringup.
Add a sysctl 'vm.pmap.invpcid_works' to display whether the 'invpcid'
instruction is available.
Reviewed by: grehan
MFC after: 3 days
forking lots of processes to run echo|cut. In one test this reduced
the CPU time from 980s to 134s and the wallclock time from 806s to
132s.
Submitted by: Oleg Ginzburg
and OpenSolaris/Illumos beadm use.
Remove /usr/local and /var/db/pkg datasets. Andriy Gapon writes:
I want to note that a good implementation of BEs should support a dependent
datasets feature. Unfortunately, it seems that we do not have any good BE
implementation for FreeBSD right now. If we had, personally I'd prefer to
have /usr/local in separate filesystem.
NOTE: Until then, remove these datasets.
Discussed on: src-committers
Submitted by: Bryan Drewery <bryan@shatow.net>
Reviewed by: Allan Jude <freebsd@allanjude.com>
MFC after: 3 days
so bootpool is imported after boot:
zpool_cache_load="YES"
zpool_cache_type="/boot/zfs/zpool.cache"
zpool_cache_name="/boot/zfs/zpool.cache"
otherwise /boot is a broken symlink after the system is up.
http://lists.freebsd.org/pipermail/freebsd-fs/2013-July/017891.html
NOTE: Fix a comment while here.
Reviewed by: gjb
annoying verbose boot error of the form
g_handleattr: vtbd0 bio_length 24 len 28 -> EFAULT
The ident returned by bhyve is a text string 'BHYVE-XXXX-XXXX', where
the X's are the first bytes of the md5 hash of the backing filename.
Reviewed by: neel
Approved by: re (gjb)
mount.devfs but mounts fdescfs. The mount happens just after
mount.devfs.
- rc.d/jail now displays whole error message from jail(8) when a jail
fails to start.
Approved by: re (gjb)
services configuration and enable it by default. Committed with
slight change to menu text for length and content.
Submitted by: Allan Jude <freebsd@allanjude.com>
Approved by: re (glebius)
Patch from PR modified slightly for whitespace and style.
PR: bin/161547
Submitted by: Warren Block <wblock@wonkity.com>
Reviewed by: Allan Jude <freebsd@allanjude.com>
Approved by: re (glebius)
keymaps *and* provide a mechanism for testing the selection. With
this commit, bsdinstall is no longer dependent on kbdmap(1). The
keymap test menu was originally submitted by Warren Block but was
modified).
Submitted by: Warren Block <wblock@wonkity.com>
Reviewed by: Allan Jude <freebsd@allanjude.com>
Approved by: re (glebius)
to run interactively but it can be scripted too (optinally completely
non-interactive). Currently supports GELI and all ZFS vdev types. Also
performs validation on selections/settings providing error messages if
necessary, explaining (in plain language) what the issue is. Currently
the auto partitioning of naked disks only supports GPT and MBR (VTOC8
pending for sparc64), so is only available for i386/amd64 install.
Submitted by: Allan Jude <freebsd@allanjude.com>, myself
Reviewed by: Allan Jude <freebsd@allanjude.com>
Approved by: re (glebius)
newly installed system. This should greatly increase the amount of
entropy available when SSH host keys are generated during first boot.
Reviewed by: markm, nathanw
Approved by: re (gjb)
determining when a script wants to be nonInteractive but selectively
wants ZFS operations to be *interactive* (this is analgous to already
existing $VAR_NETINTERACTIVE (netInteractive) and f_netinteractive()
used for the same purpose (script wants to be nonInteractive but wants
network operations to be *interactive*).
Approved by: re (glebius)
if you ended up in f_dialog_*_constrain() (indirectly, of course) with a
purposefully-set NULL height, width, or rows parameter (because you didn't
care to have that attribute calculated). Fix typo in a comment while here.
Approved by: re (glebius)
command line options. The "jail_<jname>_*" rc.conf(5) variables for
per-jail configuration are automatically converted to
/var/run/jail.<jname>.conf before the jail(8) utility is invoked.
This is transparently backward compatible.
- Fix a minor bug in jail(8) which prevented it from returning false
when jail -r failed.
Approved by: re (glebius)
the 2 read-only bytes at the start of a PCI capability.
This is the sequence that OpenBSD uses when enabling
MSI interrupts, and works fine on real h/w.
In bhyve, convert the 4 byte write to a 2-byte write to
the r/w area past the first 2 r/o bytes of a capability.
Reviewed by: neel
Approved by: re@ (blanket)
throughout the bsdconfig(8) code. While we're here, add an explicit argument
to lvalue-seeking invocations of "return" that previously had no argument.
Also, consolidate a single instance of double-newline and remove some
comments that are no longer required (given increased readability with new
exit codes).
Approved by: re (glebius)
"assignment makes pointer from integer without a cast", by changing the
cmd_lst and rbis members of struct ahci_port from integers to pointers.
Also surround a pow-of-2 test expression with parentheses to clarify it,
and avoid another gcc warning.
Approved by: re (glebius)
Reviewed by: grehan, mav
rather than opt-out.
Prior to this change if the "-g" option was not specified then a listening
socket for tunneling gdb packets would be opened at port 6466. If a second
virtual machine is fired up, also without the "-g" option, then that would
fail because there is already a listener on port 6466.
After this change if a gdb tunnel port needs to be created it needs to be
explicitly specified with a "-g <portnum>" command line option.
Reviewed by: grehan@
Approved by: re@ (blanket)
Make the amd64/pmap code aware of nested page table mappings used by bhyve
guests. This allows bhyve to associate each guest with its own vmspace and
deal with nested page faults in the context of that vmspace. This also
enables features like accessed/dirty bit tracking, swapping to disk and
transparent superpage promotions of guest memory.
Guest vmspace:
Each bhyve guest has a unique vmspace to represent the physical memory
allocated to the guest. Each memory segment allocated by the guest is
mapped into the guest's address space via the 'vmspace->vm_map' and is
backed by an object of type OBJT_DEFAULT.
pmap types:
The amd64/pmap now understands two types of pmaps: PT_X86 and PT_EPT.
The PT_X86 pmap type is used by the vmspace associated with the host kernel
as well as user processes executing on the host. The PT_EPT pmap is used by
the vmspace associated with a bhyve guest.
Page Table Entries:
The EPT page table entries as mostly similar in functionality to regular
page table entries although there are some differences in terms of what
bits are used to express that functionality. For e.g. the dirty bit is
represented by bit 9 in the nested PTE as opposed to bit 6 in the regular
x86 PTE. Therefore the bitmask representing the dirty bit is now computed
at runtime based on the type of the pmap. Thus PG_M that was previously a
macro now becomes a local variable that is initialized at runtime using
'pmap_modified_bit(pmap)'.
An additional wrinkle associated with EPT mappings is that older Intel
processors don't have hardware support for tracking accessed/dirty bits in
the PTE. This means that the amd64/pmap code needs to emulate these bits to
provide proper accounting to the VM subsystem. This is achieved by using
the following mapping for EPT entries that need emulation of A/D bits:
Bit Position Interpreted By
PG_V 52 software (accessed bit emulation handler)
PG_RW 53 software (dirty bit emulation handler)
PG_A 0 hardware (aka EPT_PG_RD)
PG_M 1 hardware (aka EPT_PG_WR)
The idea to use the mapping listed above for A/D bit emulation came from
Alan Cox (alc@).
The final difference with respect to x86 PTEs is that some EPT implementations
do not support superpage mappings. This is recorded in the 'pm_flags' field
of the pmap.
TLB invalidation:
The amd64/pmap code has a number of ways to do invalidation of mappings
that may be cached in the TLB: single page, multiple pages in a range or the
entire TLB. All of these funnel into a single EPT invalidation routine called
'pmap_invalidate_ept()'. This routine bumps up the EPT generation number and
sends an IPI to the host cpus that are executing the guest's vcpus. On a
subsequent entry into the guest it will detect that the EPT has changed and
invalidate the mappings from the TLB.
Guest memory access:
Since the guest memory is no longer wired we need to hold the host physical
page that backs the guest physical page before we can access it. The helper
functions 'vm_gpa_hold()/vm_gpa_release()' are available for this purpose.
PCI passthru:
Guest's with PCI passthru devices will wire the entire guest physical address
space. The MMIO BAR associated with the passthru device is backed by a
vm_object of type OBJT_SG. An IOMMU domain is created only for guest's that
have one or more PCI passthru devices attached to them.
Limitations:
There isn't a way to map a guest physical page without execute permissions.
This is because the amd64/pmap code interprets the guest physical mappings as
user mappings since they are numerically below VM_MAXUSER_ADDRESS. Since PG_U
shares the same bit position as EPT_PG_EXECUTE all guest mappings become
automatically executable.
Thanks to Alan Cox and Konstantin Belousov for their rigorous code reviews
as well as their support and encouragement.
Thanks for John Baldwin for reviewing the use of OBJT_SG as the backing
object for pci passthru mmio regions.
Special thanks to Peter Holm for testing the patch on short notice.
Approved by: re
Discussed with: grehan
Reviewed by: alc, kib
Tested by: pho
these.
The mux-vcpus option may return at some point, given it's utility
in finding bhyve (and FreeBSD) bugs.
Approved by: re@ (blanket)
Discussed with: neel@
Sort the filenames to get a consistent result between machines of the same
architecture.
Also, sort FTS_D entries after other entries so kldxref -R works properly in
the uncommon case that a directory contains both subdirectories and modules.
Previously, this may have happened to work, depending on the order of files
in the directory.
PR: bin/182098
Submitted by: Derek Schrock (original version)
Tested by: Derek Schrock
Approved by: re (delphij)
MFC after: 1 week
https://wiki.freebsd.org/SummerOfCode2013/bhyveAHCI
This provides ICH8 SATA disk and ATAPI ports, selectable
via the bhyve slot command-line parameter:
SATA
-s <slot>,ahci-hd,<image-file>
ATAPI
-s <slot>,ahci-cd,<image-file>
Slight modifications by: grehan@
Approved by: re@ (blanket)
Obtained from: FreeBSD GSoC'13
