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xen: pvblock: Add initial support for para-virtualized block driver

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Add initial infrastructure for Xen para-virtualized block device.
This includes compile-time configuration and the skeleton for
the future driver implementation.
Add new class UCLASS_PVBLOCK which is going to be a parent for
virtual block devices.
Add new interface type IF_TYPE_PVBLOCK.

Implement basic driver setup by reading XenStore configuration.

Signed-off-by: Andrii Anisov <andrii_anisov@epam.com>
Signed-off-by: Anastasiia Lukianenko <anastasiia_lukianenko@epam.com>
Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
This commit is contained in:
Anastasiia Lukianenko
2020-08-06 12:42:55 +03:00
committed by Tom Rini
parent c850674ff7
commit 722bc5b5d9
15 changed files with 223 additions and 0 deletions
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include/blk.h
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@@ -33,6 +33,7 @@ enum if_type {
IF_TYPE_HOST,
IF_TYPE_NVME,
IF_TYPE_EFI,
IF_TYPE_PVBLOCK,
IF_TYPE_VIRTIO,
IF_TYPE_COUNT, /* Number of interface types */