Commit Graph

7 Commits

Author SHA1 Message Date
Pedro F. Giffuni
1de7b4b805 various: general adoption of SPDX licensing ID tags.
Mainly focus on files that use BSD 2-Clause license, however the tool I
was using misidentified many licenses so this was mostly a manual - error
prone - task.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier for automated tools to detect and summarize well known
opensource licenses. We are gradually adopting the specification, noting
that the tags are considered only advisory and do not, in any way,
superceed or replace the license texts.

No functional change intended.
2017-11-27 15:37:16 +00:00
Neel Natu
0826d045cc Use 'cpuset_t' to represent the vcpus active in a virtual machine. 2014-03-20 18:15:37 +00:00
Neel Natu
49cc03da31 Add a new capability, VM_CAP_ENABLE_INVPCID, that can be enabled to expose
'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
2013-10-16 18:20:27 +00:00
Neel Natu
5f0677d392 The "unrestricted guest" capability is a feature of Intel VT-x that allows
the guest to execute real or unpaged protected mode code - bhyve relies on
this feature to execute the AP bootstrap code.

Get rid of the hack that allowed bhyve to support SMP guests on processors
that do not have the "unrestricted guest" capability. This hack was entirely
FreeBSD-specific and would not work with any other guest OS.

Instead, limit the number of vcpus to 1 when executing on processors without
"unrestricted guest" capability.

Suggested by:	grehan
Obtained from:	NetApp
2013-01-04 02:04:41 +00:00
Peter Grehan
e285ef8d28 Rename fbsdrun.* -> bhyverun.*
bhyve is intended to be a generic hypervisor, and not FreeBSD-specific.

(renaming internal routines will come later)

Reviewed by:	neel
Obtained from:	NetApp
2012-12-13 01:58:11 +00:00
Neel Natu
73820fb0a4 Add an option "-a" to present the local apic in the XAPIC mode instead of the
default X2APIC mode to the guest.
2012-09-26 00:06:17 +00:00
Neel Natu
edf89256dd Add an explicit exit code 'SPINUP_AP' to tell the controlling process that an
AP needs to be activated by spinning up an execution context for it.

The local apic emulation is now completely done in the hypervisor and it will
detect writes to the ICR_LO register that try to bring up the AP. In response
to such writes it will return to userspace with an exit code of SPINUP_AP.

Reviewed by: grehan
2012-09-25 02:33:25 +00:00