MFC r330304: imcsmb(4): Intel integrated Memory Controller (iMC) SMBus
controller driver

imcsmb(4) provides smbus(4) support for the SMBus controller functionality
in the integrated Memory Controllers (iMCs) embedded in Intel Sandybridge-
Xeon, Ivybridge-Xeon, Haswell-Xeon, and Broadwell-Xeon CPUs. Each CPU
implements one or more iMCs, depending on the number of cores; each iMC
implements two SMBus controllers (iMC-SMBs).

*** IMPORTANT NOTE ***
Because motherboard firmware or the BMC might try to use the iMC-SMBs for
monitoring DIMM temperatures and/or managing an NVDIMM, the driver might
need to temporarily disable those functions, or take a hardware interlock,
before using the iMC-SMBs. Details on how to do this may vary from board to
board, and the procedure may be proprietary. It is strongly suggested that
anyone wishing to use this driver contact their motherboard vendor, and
modify the driver as described in the manual page and in the driver itself.
(For what it's worth, the driver as-is has been tested on various SuperMicro
motherboards.)

Merge driver for PMC Sierra's range of SAS/SATA HBAs.

Submitted by: Achim Leubner <Achim.Leubner@pmcs.com>
Approved by: re

MFC r273515, r274055, r274063, r274215, r274065, r274502:

Add VirtIO console driver.

MFC 260847,264055,264867:
- Add a very simple virtio_random(4) driver for FreeBSD guests to harvest
entropy from hypervisors.
- Add support to bhyve for the virtio RNG entropy-source device to provide
entry to bhyve guests.

MFC 263301

In kernel config files, it is supposed to be 'options<space><tab>' not
'options<tab><tab>', per long standing (but recently not so strictly
enforced) convention.

MFC 264304: Really only allow IMGACT_BINMISC for amd64/i386 builds.

MFC DMAR busdma implementation.

MFC r257251:
Import the driver for VT-d DMAR hardware. Implement the busdma(9) using DMARs.

MFC r257512:
Add support for queued invalidation.

MFC miscellaneous follow-ups to r257251.

MFC r257266:
Remove redundand assignment to error variable and check for its value.

MFC r257308:
Remove redundand declaration.

MFC r257511:
Return BUS_PROBE_NOWILDCARD from the DMAR probe method.

MFC r257860,r257896,r257900,r257902,r257903 (by dim):
Fixes for gcc compilation.

MFC r258948:

Support Hyper-V on i386:

- Add 'hyperv' module into build;
- Allow building Hyper-V support as part of the kernel;
- Hook Hyper-V build into NOTES.

Approved by: re (rodrigc)

Merge driver for PMC Sierra's range of SAS/SATA HBAs.

Submitted by: Achim Leubner <Achim.Leubner@pmcs.com>
Approved by: re

MFC r273515, r274055, r274063, r274215, r274065, r274502:

Add VirtIO console driver.

MFC 260847,264055,264867:
- Add a very simple virtio_random(4) driver for FreeBSD guests to harvest
entropy from hypervisors.
- Add support to bhyve for the virtio RNG entropy-source device to provide
entry to bhyve guests.

MFC 263301

In kernel config files, it is supposed to be 'options<space><tab>' not
'options<tab><tab>', per long standing (but recently not so strictly
enforced) convention.

MFC 264304: Really only allow IMGACT_BINMISC for amd64/i386 builds.

MFC DMAR busdma implementation.

MFC r257251:
Import the driver for VT-d DMAR hardware. Implement the busdma(9) using DMARs.

MFC r257512:
Add support for queued invalidation.

MFC miscellaneous follow-ups to r257251.

MFC r257266:
Remove redundand assignment to error variable and check for its value.

MFC r257308:
Remove redundand declaration.

MFC r257511:
Return BUS_PROBE_NOWILDCARD from the DMAR probe method.

MFC r257860,r257896,r257900,r257902,r257903 (by dim):
Fixes for gcc compilation.

MFC r258948:

Support Hyper-V on i386:

- Add 'hyperv' module into build;
- Allow building Hyper-V support as part of the kernel;
- Hook Hyper-V build into NOTES.

Approved by: re (rodrigc)