Differential D10565

vmbus: Reorganize vmbus device tree
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Authored by sepherosa_gmail.com on May 2 2017, 6:27 AM.

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jhb
jkim
decui_microsoft.com
honzhan_microsoft.com
howard0su_gmail.com

Commits

rS318136: hyperv/vmbus: Reorganize vmbus device tree

Summary

For GEN1 Hyper-V, vmbus is attached to pcib0, which contains the resources for PCI passthrough and SR-IOV. There is no acpi_syscontainer0 on GEN1 Hyper-V.
For GEN2 Hyper-V, vmbus is attached to acpi_syscontainer0, which contains the resources for PCI passthrough and SR-IOV. There is no pcib0 on GEN2 Hyper-V.

The ACPI VMBUS device now only holds its _CRS, which is empty as of this commit; its existence is mainly for upward compatibility.

Device tree structure is suggested by jhb@.

Collabrated-wth: dexuan@
Tested-by: dexuan@

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sepherosa_gmail.com created this revision.May 2 2017, 6:27 AM

minor style fixes; remove unnecessary comment.

Closed by commit rS318136: hyperv/vmbus: Reorganize vmbus device tree (authored by sephe). · Explain WhyMay 10 2017, 5:28 AM

This revision was automatically updated to reflect the committed changes.

Revision Contents
Changeset List

Path

Size

sys/

conf/

1 line

1 line

1 line

dev/

acpica/

acpi_container.c

166 lines

acpi_pcib_acpi.c

1 line

hyperv/

vmbus/

102 lines

98 lines

modules/

hyperv/

vmbus/

1 line

Diff 27909

sys/conf/files

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sys/conf/files.amd64

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sys/conf/files.i386

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sys/dev/acpica/acpi_container.c

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sys/dev/acpica/acpi_pcib_acpi.c

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sys/dev/hyperv/vmbus/vmbus.c

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sys/dev/hyperv/vmbus/vmbus_res.c

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sys/modules/hyperv/vmbus/Makefile

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