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7 commits

Author SHA1 Message Date
Neel Natu
485b3300cc Implement guest vcpu pinning using 'pthread_setaffinity_np(3)'. 
Prior to this change pinning was implemented via an ioctl (VM_SET_PINNING)
that called 'sched_bind()' on behalf of the user thread.

The ULE implementation of 'sched_bind()' bumps up 'td_pinned' which in turn
runs afoul of the assertion '(td_pinned == 0)' in userret().

Using the cpuset affinity to implement pinning of the vcpu threads works with
both 4BSD and ULE schedulers and has the happy side-effect of getting rid
of a bunch of code in vmm.ko.

Discussed with:	grehan
 2013-02-11 20:36:07 +00:00
Neel Natu
912a3e678a Add svn properties to the recently merged bhyve source files. 
The pre-commit hook will not allow any commits without the svn:keywords
property in head.
 2013-01-20 03:42:49 +00:00
Neel Natu
cdc5b9e7b1 Fix warnings generated by 'debug.witness.watch' during VM creation and 
destruction for calling malloc() with M_WAITOK while holding a mutex.

Do not allow vmm.ko to be unloaded until all virtual machines are destroyed.
 2012-10-11 19:39:54 +00:00
Neel Natu
f7d51510f1 Change vm_malloc() to map pages in the guest physical address space in 4KB 
chunks. This breaks the assumption that the entire memory segment is
contiguously allocated in the host physical address space.

This also paves the way to satisfy the 4KB page allocations by requesting
free pages from the VM subsystem as opposed to hard-partitioning host memory
at boot time.
 2012-10-04 02:27:14 +00:00
Neel Natu
e90273829b Add ioctls to control the X2APIC capability exposed by the virtual machine to 
the guest.

At the moment this simply sets the state in the 'vcpu' instance but there is
no code that acts upon these settings.
 2012-09-25 19:08:51 +00:00
Peter Grehan
cd942e0f25 MSI-x interrupt support for PCI pass-thru devices. 
Includes instruction emulation for memory r/w access. This
opens the door for io-apic, local apic, hpet timer, and
legacy device emulation.

Submitted by:	ryan dot berryhill at sandvine dot com
Reviewed by:	grehan
Obtained from:	Sandvine
 2012-04-28 16:28:00 +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