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13 Commits

Author SHA1 Message Date
Tycho Nightingale
e883c9bb40 Move the atpit device model from userspace into vmm.ko for better 
precision and lower latency.

Approved by:	grehan (co-mentor)
 2014-03-25 19:20:34 +00:00
Tycho Nightingale
762fd20804 Replace the userspace atpic stub with a more functional vmm.ko model. 
New ioctls VM_ISA_ASSERT_IRQ, VM_ISA_DEASSERT_IRQ and VM_ISA_PULSE_IRQ
can be used to manipulate the pic, and optionally the ioapic, pin state.

Reviewed by:	jhb, neel
Approved by:	neel (co-mentor)
 2014-03-11 16:56:00 +00:00
Neel Natu
08e3ff329a Add HPET device emulation to bhyve. 
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).
 2013-11-25 19:04:51 +00:00
Neel Natu
565bbb8698 Move the ioapic device model from userspace into vmm.ko. This is needed for 
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)
 2013-11-12 22:51:03 +00:00
Neel Natu
03cd05011f Remove the 'vdev' abstraction that was meant to sit on top of device models 
in the kernel. This abstraction was redundant because the only device emulated
inside vmm.ko is the local apic and it is always at a fixed guest physical
address.

Discussed with:	grehan
 2013-11-04 23:25:07 +00:00
Ulrich Spörlein
f44b688c57 Fix 'make depend'. 2013-08-21 08:01:52 +00:00
Neel Natu
b01c203325 Corral all the host state associated with the virtual machine into its own file. 
This state is independent of the type of hardware assist used so there is
really no need for it to be in Intel-specific code.

Obtained from:	NetApp
 2012-10-29 01:51:24 +00:00
Neel Natu
a2da7af6bc Add support for trapping MMIO writes to local apic registers and emulating them. 
The default behavior is still to present the local apic to the guest in the
x2apic mode.
 2012-09-25 22:31:35 +00:00
Peter Grehan
d7e0c54045 BHyVe's vmm.ko can now be built with the in-tree binutils. 
Many thanks to jhb@ for making this happen.
 2012-07-11 23:12:17 +00:00
John Baldwin
6c212efc25 Missed this in the previous commit to add 'show vmcs': add opt_ddb.h as 
a source file.
 2011-06-02 13:57:10 +00:00
Neel Natu
17debe0d59 Remove misleading macro definition (-DOLD_BINUTILS) from CFLAGS. 
At this point we require binutils from ports that understands how to
assemble the VT-x instructions.

Discussed with: grehan@
 2011-05-17 13:47:32 +00:00
John Baldwin
34a6b2d627 First cut at porting the kernel portions of 221828 and 221905 from the 
BHyVe reference branch to HEAD.
 2011-05-14 20:35:01 +00:00
Peter Grehan
366f60834f Import of bhyve hypervisor and utilities, part 1. 
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
 2011-05-13 04:54:01 +00:00