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8 Commits

Author SHA1 Message Date
Andrew Turner
f94f8e62ab To allow for an ACPI attachment to the generic PCIe driver split off the 
FDT attachment to a new file. A separate ACPI attachment will then be added
to allow arm64 servers with ACPI to use it over FDT.

This should also help with merging this with the ofwpci driver, with
further work needed to remove restrictions this driver places on resource
allocation.

Obtained from:	ABT Systems Ltd
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D7319
 2016-11-21 18:24:05 +00:00
Wojciech Macek
aab9fdaf6f Import missing enum declaration in pci_host_generic header file 
Other files including pci_host_generic.h failed to compile
due to missing declaration of enum pci_id_type.

Obtained from:         Semihalf
Submitted by:          Michal Stanek <mst@semihalf.com>
Sponsored by:          Annapurna Labs
Reviewed by:           wma
Differential Revision: https://reviews.freebsd.org/D7561
 2016-09-06 15:11:37 +00:00
Andrew Turner
2760c2cad4 Mark the ThunderX and generic PCI drivers as cache-coherent when we know 
this to be the case. This will mean we don't try and handle the cache in
bus_dmamap_sync when it is not needed.

Obtained from:	ABT Systems Ltd
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D6605
 2016-05-31 09:15:21 +00:00
Andrew Turner
1beaee0c3a Call ofw_bus_msimap to find the parent MSI controller, it may not use the 
msi-parent property.

Obtained from:	ABT Systems Ltd
Sponsored by:	The FreeBSD Foundation
 2016-05-16 12:18:30 +00:00
Andrew Turner
1e43b18c4b Add a pcib interface for use by interrupt controllers that need to 
translate the pci rid to a controller ID. The translation could be based
on the 'msi-map' OFW property, a similar ACPI option, or hard-coded for
hardware lacking the above options.

Reviewed by:	wma
Obtained from:	ABT Systems Ltd
Sponsored by:	The FreeBSD Foundation
 2016-05-16 09:31:44 +00:00
Andrew Turner
3fc155dc64 Introduce MSI and MSI-X support to intrng. This adds a new msi device 
interface with 5 methods to mirror the 5 MSI/MSI-X methods in the pcib
interface. The pcib driver will need to perform a device specific lookup
to find the MSI controller and pass this to intrng as the xref. Intrng
will finally find the controller and have it handle the requested operation.

Obtained from:	ABT Systems Ltd
MFH:		yes
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D5985
 2016-05-16 09:11:40 +00:00
Wojciech Macek
2445e7c84e Restore ThunderX Pass1.1 PCI changes removed by r295962 
If Enhanced Allocation is not used, we can't allocate any random
    range. All internal devices have hardcoded place where they can
    be located within PCI address space. Fortunately, we can read
    this value from BAR.

Obtained from:         Semihalf
Sponsored by:          Cavium
Approved by:           cognet (mentor)
Reviewed by:           zbb
Differential revision: https://reviews.freebsd.org/D5455
 2016-02-26 12:16:11 +00:00
Wojciech Macek
fb05500b24 Make pci_host_generic and thunderx_pci common 
* provided OFW interface for pci_host_generic (for handling devices which are present in DTS under the PCI node)
  * removed support for internal PCI from arm64/cavium
  * cleaned up and made most of the code common

Obtained from:         Semihalf
Sponsored by:          Cavium
Approved by:           cognet (mentor)
Reviewed by:           zbb
Differential revision: https://reviews.freebsd.org/D5261
 2016-02-24 06:05:30 +00:00