| Commit message (Collapse) | Author | Age | Files | Lines |
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r286837, r286838, r288470, r288522, r288524, r288826,
r289001
Pull in bhyve bug fixes and changes to allow UEFI booting.
This provides Windows support.
Tested on Intel and AMD with:
- Arch Linux i386+amd64 (kernel 4.3.3)
- Ubuntu 15.10 server 64-bit
- FreeBSD-CURRENT/amd64 20160127 snap
- FreeBSD 10.2 i386+amd64
- OpenBSD 5.8 i386+amd64
- SmartOS latest
- Windows 10 build 1511'
Huge thanks to Yamagi Burmeister who submitted the patch
and did the majority of the testing.
r284539 - bootrom mem allocation support
r284630 - Add SO_REUSEADDR when starting debug port
r284688 - Fix a regression in "movs" emulation
r284877 - verify_gla() non-zero segment base fix
r285217 - Always assert DCD and DSR in the uart
r285218 - devmem nodes moved to /dev/vmm.io/
r286837 - Add define for SATA Check-Power-Mode
r286838 - Add simple (no-op) SATA cmd emulations
r288470 - Increase virtio-blk indirect descs
r288522 - Firmware guest query interface
r288524 - Fix post-test typo
r288826 - Clean up SATA unimplemented cmd msg
r289001 - Add -l option to specify userboot path
Submitted by: Yamagi Burmeister
Approved by: re (kib)
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Add netmap support for bhyve
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Remove unused variable after r292981 to unbreak the build.
MFC: r292981
Clean up unused-but-set-variable spotted by gcc-4.9.
Reviewed by: ngie
Approved by: rodrigc (mentor)
Sponsored by: gandi.net
Differential Revision: https://reviews.freebsd.org/D4773
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Clean up unused-but-set-variable spotted by gcc-4.9.
Reviewed by: ngie
Approved by: rodrigc (mentor)
Sponsored by: gandi.net
Differential Revision: https://reviews.freebsd.org/D4777
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Fix a ton of speelling errors
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Exit with a user-friendly message instead of tripping an assert
if vm_activate_cpu(..) fails when called from fbsdrun_addcpu(..)
PR: 203884
Reviewed by: grehan
Submitted by: William Orr <will@worrbase.com>
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Use strlcpy() instead of strncpy() because subsequent mkstemps expects
the string be nul-terminated.
Reviewed by: neel
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Manpage cleanup.
- new sentence -> new line
- fix manpage references
- fix macro usage
- fix a typo
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Emulate the 'bit test' instruction.
MFC r282259:
Re-implement RTC current time calculation to eliminate the possibility of
losing time.
MFC r282281:
Advertise the MTRR feature via CPUID and emulate the minimal set of MTRR MSRs.
MFC r282284:
When an instruction cannot be decoded just return to userspace so bhyve(8)
can dump the instruction bytes.
MFC r282287:
Don't require <sys/cpuset.h> to be always included before <machine/vmm.h>.
MFC r282296:
Emulate MSR_SYSCFG which is accessed by Linux on AMD cpus when MTRRs are
enabled.
MFC r282301:
Relax limits when transitioning a vector from the IRR to the ISR and also
when extinguishing it from the ISR in response to an EOI.
MFC r282335:
Advertise an additional memory BAR in the "dummy" device emulation.
MFC r282336:
Emulate machine check related MSRs to allow guest OSes like Windows to boot.
MFC r282351:
Don't advertise the Intel SMX capability to the guest.
MFC r282407:
Emulate the 'CMP r/m8, imm8' instruction.
MFC r282519:
Add macros for AMD-specific bits in MSR_EFER: LMSLE, FFXSR and TCE.
MFC r282520:
Emulate guest writes to EFER_MSR properly.
MFC r282558:
Deprecate the 3-way return values from vm_gla2gpa() and vm_copy_setup().
MFC r282571:
Check 'td_owepreempt' and yield the vcpu thread if it is set.
MFC r282595:
Allow byte reads of AHCI registers.
MFC r282784:
Handling indirect descriptors is a capability of the host and not one that
needs to be negotiated. Use the host capabilities field and not the negotiated
field when verifying that indirect descriptors are supported.
MFC r282788:
Allow configuration of the sector size advertised to the guest.
MFC r282865:
Set the subvendor field in config space to the vendor ID. This is required
by the Windows virtio drivers to correctly match a device.
MFC r282922:
Bump the size of the blockif scatter-gather list to 67.
MFC r283075:
Fix off-by-one in array index bounds check. bhyveload would allow you to
create 33 entries on an array that only has 32 slots
MFC r283168:
Temporarily revert r282922 which bumped the max descriptors.
MFC r283255:
Emulate the "CMP r/m, reg" instruction (opcode 39H).
MFC r283256:
Add an option "--get-vmcs-exit-inst-length" to display the instruction length
of the instruction that caused the VM-exit.
MFC r283264:
Change the header type of the emulated host-bridge from type 1 to type 0.
MFC r283293:
Don't rely on the 'VM-exit instruction length' field in the VMCS to always
have an accurate length on an EPT violation.
MFC r283299:
Remove bogus verification of instruction length after instruction decode.
MFC r283308:
Exceptions don't deliver an error code in real mode.
MFC r283657:
Fix non-deterministic delays when accessing a vcpu that was in "running" or
"sleeping" state.
MFC r283973:
Use tunable 'hw.vmm.svm.features' to disable specific SVM features even
though they might be available in hardware. Use tunable 'hw.vmm.svm.num_asids'
to limit the number of ASIDs used by the hypervisor.
MFC r284046:
Fix regression in 'verify_gla()' with the RIP-relative addressing mode.
MFC r284174:
Support guest writes to the TSC by enabling the "use TSC offsetting"
execution control.
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Allow passthrough devices to be hinted.
MFC r279683:
When ICW1 is issued the edge sense circuit is reset which means that
following an initialization a low-to-high transistion is necesary to
generate an interrupt.
MFC r279925:
Add -p parameter to list PCI device to pass through to the guest.
MFC r281559:
Fix handling of BUS_PROBE_NOWILDCARD in 'device_probe_child()'.
MFC r280447:
When fetching an instruction in non-64bit mode, consider the value of the
code segment base address.
MFC r280725:
Move legacy interrupt allocation for virtio devices to common code.
MFC r280775:
Fix the RTC device model to operate correctly in 12-hour mode.
MFC r280929:
Fix "MOVS" instruction memory to MMIO emulation.
MFC r280968:
Display instruction bytes and %rip prior to aborting due to an instruction
emulation error.
MFC r281145:
Enhance the support for Group 1 Extended opcodes for CMP, AND, OR instructions.
MFC r281542:
Initialize 'error' before use (Coverity IDs 1249748, 1249747, 1249751, 1249749)
MFC r281561:
Prior to aborting due to an ioport error, it is always interesting to see what
the guest's %rip is.
MFC r281611:
If the number of guest vcpus is less than '1' then flag it as an error.
MFC r281612:
Prefer 'vcpu_should_yield()' over checking 'curthread->td_flags' directly.
MFC r281630:
Relax the check on which vectors can be delivered through the APIC. According
to the Intel SDM vectors 16 through 255 are allowed to be delivered via the
local APIC.
MFC r281879:
Missing break in switch case (Coverity ID 1292499)
MFC r281946:
Don't allow guest to modify readonly bits in the PCI config 'status' register.
MFC r281987:
STOS/STOSB/STOSW/STOSD/STOSQ instruction emulation.
MFC r282206:
Implement the century byte in the RTC.
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Replace bhyve's minimal RTC emulation with a fully featured one in vmm.ko.
MFC r276432:
Initialize all fields of 'struct vm_exception exception' before passing it
to vm_inject_exception().
MFC r276763:
Clear blocking due to STI or MOV SS in the hypervisor when an instruction is
emulated or when the vcpu incurs an exception.
MFC r277149:
Clean up usage of 'struct vm_exception' to only to communicate information
from userspace to vmm.ko when injecting an exception.
MFC r277168:
Fix typo (missing comma).
MFC r277309:
Make the error message explicit instead of just printing the usage if the
virtual machine name is not specified.
MFC r277310:
Simplify instruction restart logic in bhyve.
MFC r277359:
Fix a bug in libvmmapi 'vm_copy_setup()' where it would return success even
if the 'gpa' was in the guest MMIO region.
MFC r277360:
MOVS instruction emulation.
MFC r277626:
Add macro to identify AVIC capability (advanced virtual interrupt controller)
in AMD processors.
MFC r279220:
Don't close a block context if it couldn't be opened avoiding a null deref.
MFC r279225:
Add "-u" option to bhyve(8) to indicate that the RTC should maintain UTC time.
MFC r279227:
Emulate MSR 0xC0011024 when running on AMD processors.
MFC r279228:
Always emulate MSR_PAT on Intel processors and don't rely on PAT save/restore
capability of VT-x. This lets bhyve run nested in older VMware versions that
don't support the PAT save/restore capability.
MFC r279540:
Fix warnings/errors when building vmm.ko with gcc.
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Reassign copyright statements on several files from Advanced
Computing Technologies LLC to Hudson River Trading LLC.
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Fix improper .Fx macro usage.
Sponsored by: The FreeBSD Foundation
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Implement BSY reporting and in-order execution of non-NCQ commands.
Block command queue on BSY or DRQ bits set or device error reported.
This can be a performance penalization for non-NCQ commands, but it is
required for proper error recovery and standard compliance.
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Report link as up only if we managed to open tap device.
It would be cool to report tap device status, but it has no such API.
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This reduces CPU load and doubles iperf throughput, reaching 2-3Gbit/s.
Sponsored by: iXsystems, Inc.
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Old value made Linux think that it is PATA device with SATA bridge.
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Workaround bhyve virtual disks operation on top of GEOM providers.
GEOM does not support scatter/gather lists in its I/Os. Such requests
are cut in pieces by physio(), that may be problematic, if those pieces
are not multiple of provider's sector size. If such case is detected,
move the data through temporary sequential buffer.
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Add new fields in the FADT, required by IASL 20140926-64.
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Report that we may have write cache, and that we do support FLUSH.
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32 entries are not enough for the worst case of misaligned 128KB request,
that made FreeBSD to chunk large quests in odd pieces.
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Processing threads call callbacks before freeing requests. As result,
new requests may arrive before old ones are freed.
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According to Linux and QEMU, s/n equal to buffer is not zero-terminated.
This makes same s/n reported for both virtio and AHCI drivers.
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Reported by: vangyzen
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Give AHCI disk serial based on backing file path same as for virtio block.
It is still not good that they may intersect on different hosts, but that
is better then intersecting on the same host.
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Rewrite virtio block device driver to work asynchronously and use the block
I/O interface.
Asynchronous operation, based on r280026 change, allows to not block virtual
CPU during I/O processing, that on slow/busy storage can take seconds.
Use of recently improved block I/O interface allows to process multiple
requests same time, that improves random I/O performance on wide storages.
Benchmarks of virtual disk, backed by ZVOL on RAID10 pool of 4 HDDs, show
~3.5 times random read performance improvements, while no degradation on
linear I/O. Guest CPU usage during test dropped from 100% to almost zero.
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Modify virtqueue helpers added in r253440 to allow queuing.
Original virtqueue design allows queued and out-of-order processing, but
helpers added in r253440 suppose only direct blocking in-order one.
It could be fine for network, etc., but it is a huge limitation for storage
devices.
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On parallel random I/O this allows better utilize wide storage pools.
To not confuse prefetcher on linear I/O, consecutive requests are executed
sequentially, following the same logic as was earlier implemented in CTL.
Benchmarks of virtual AHCI disk, backed by ZVOL on RAID10 pool of 4 HDDs,
show ~3.5 times random read performance improvements, while no degradation
on linear I/O.
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The code is not really tested yet due to lack of initiator support.
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While this implementation is still not perfect, previous was just broken.
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At this point we have nothing to report through that register.
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Add support for PIO variants of READ/WRITE commands for AHCI disks.
AHCI API hides all PIO specifics, so this functionality is almost free.
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It works only for virtual disks backed by ZVOLs and raw devices supporting
BIO_DELETE. Virtual disks backed by files won't report this capability.
Relnotes: yes
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Reported by: Coverity
CID: 1288938
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Implement cache flush for ahci-hd and for virtio-blk over device.
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Add support for TOPOLOGY feature of virtio block device.
Passing through physical block size/offset from underlying storage allows
guest to manage proper data and I/O alignment to improve performance.
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Move the ACPI PM timer emulation into vmm.ko.
MFC r273706
Change the type of the first argument to the I/O emulation handlers to
'struct vm *'.
MFC r273710
Add a comment explaining the intent behind the I/O reservation [0x72-0x77].
MFC r273744
Add foo_genassym.c files to DPSRCS so dependencies for them are generated.
This ensures these objects are rebuilt to generate an updated header of
assembly constants if needed.
MFC r274045
If the start bit, PxCMD.ST, is cleared and nothing is in-flight then
PxCI, PxSACT, PxCMD.CCS and PxCMD.CR should be 0.
MFC r274076
Improve the ability to cancel an in-flight request by using an interrupt,
via SIGCONT, to force the read or write system call to return prematurely.
MFC r274330
To allow a request to be submitted from within the callback routine of
a completing one increase the total by 1 but don't advertise it.
MFC r274931
Change the lower bound for guest vmspace allocation to 0 instead of using
the VM_MIN_ADDRESS constant.
MFC r275817
For level triggered interrupts clear the PIC IRR bit when the interrupt pin
is deasserted.
MFC r275850
Fix 8259 IRQ priority resolver.
MFC r275952
Various 8259 device model improvements.
MFC r275965
Emulate writes to the IA32_MISC_ENABLE MSR.
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Add support AMD processors with the SVM/AMD-V hardware extensions.
MFC r273749
Remove bhyve SVM feature printf's now that they are available in the general
CPU feature detection code.
MFC r273766
Add missing 'break' pointed out by Coverity CID 1249760.
MFC r276098
Allow ktr(4) tracing of all guest exceptions via the tunable "hw.vmm.trace_guest_exceptions"
MFC r276392
Inject #UD into the guest when it executes either 'MONITOR' or 'MWAIT' on an
AMD/SVM host.
MFC r276402
Remove "svn:mergeinfo" property that was dragged along when these files were
svn copied in r273375.
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Fix a recursive lock acquisition in vi_reset_dev().
MFC r270434
Return the spurious interrupt vector (IRQ7 or IRQ15) if the atpic cannot find
any unmasked pin with an interrupt asserted.
MFC r270436
Fix a bug in the emulation of CPUID leaf 0x4.
MFC r270437
Add "hw.vmm.topology.threads_per_core" and "hw.vmm.topology.cores_per_package"
tunables to modify the default cpu topology advertised by bhyve.
MFC r270855
Set the 'inst_length' to '0' early on before any error conditions are detected
in the emulation of the task switch. If any exceptions are triggered then the
guest %rip should point to instruction that caused the task switch as opposed
to the one after it.
MFC r270857
The "SUB" instruction used in getcc() actually does 'x -= y' so use the
proper constraint for 'x'. The "+r" constraint indicates that 'x' is an
input and output register operand.
While here generate code for different variants of getcc() using a macro
GETCC(sz) where 'sz' indicates the operand size.
Update the status bits in %rflags when emulating AND and OR opcodes.
MFC r271439
Initialize 'bc_rdonly' to the right value.
MFC r271451
Optimize the common case of injecting an interrupt into a vcpu after a HLT
by explicitly moving it out of the interrupt shadow.
MFC r271888
Restructure the MSR handling so it is entirely handled by processor-specific
code.
MFC r271890
MSR_KGSBASE is no longer saved and restored from the guest MSR save area. This
behavior was changed in r271888 so update the comment block to reflect this.
MFC r271891
Add some more KTR events to help debugging.
MFC r272197
mmap(2) requires either MAP_PRIVATE or MAP_SHARED for non-anonymous mappings.
MFC r272395
Get rid of code that dealt with the hardware not being able to save/restore
the PAT MSR on guest exit/entry. This workaround was done for a beta release
of VMware Fusion 5 but is no longer needed in later versions.
All Intel CPUs since Nehalem have supported saving and restoring MSR_PAT
in the VM exit and entry controls.
MFC r272670
Inject #UD into the guest when it executes either 'MONITOR' or 'MWAIT'.
MFC r272710
Implement the FLUSH operation in the virtio-block emulation.
MFC r272838
iasl(8) expects integer fields in data tables to be specified as hexadecimal
values. Therefore the bit width of the "PM Timer Block" was actually being
interpreted as 50-bits instead of the expected 32-bit.
This eliminates an error message emitted by a Linux 3.17 guest during boot:
"Invalid length for FADT/PmTimerBlock: 50, using default 32"
MFC r272839
Support Intel-specific MSRs that are accessed when booting up a linux in bhyve:
- MSR_PLATFORM_INFO
- MSR_TURBO_RATIO_LIMITx
- MSR_RAPL_POWER_UNIT
MFC r273108
Emulate "POP r/m". This is needed to boot OpenBSD/i386 MP kernel in bhyve.
MFC r273212
Support stopping and restarting the AHCI command list via toggling PxCMD.ST
from '1' to '0' and back. This allows the driver a chance to recover if
for instance a timeout occurred due to activity on the host.
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