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SubjectRe: [PATCH 3/7] powerpc: introduce the ePAPR embedded hypervisor vmpic driver
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On May 19, 2011, at 8:54 AM, Timur Tabi wrote:

> From: Ashish Kalra <ashish.kalra@freescale.com>
>
> The Freescale ePAPR reference hypervisor provides interrupt controller services
> via a hypercall interface, instead of emulating the MPIC controller. This is
> called the VMPIC.
>
> The ePAPR "virtual interrupt controller" provides interrupt controller services
> for external interrupts. External interrupts received by a partition can come
> from two sources:
>
> - Hardware interrupts - hardware interrupts come from external
> interrupt lines or on-chip I/O devices.
> - Virtual interrupts - virtual interrupts are generated by the hypervisor
> as part of some hypervisor service or hypervisor-created virtual device.
>
> Both types of interrupts are processed using the same programming model and
> same set of hypercalls.
>
> Signed-off-by: Ashish Kalra <ashish.kalra@freescale.com>
> Signed-off-by: Timur Tabi <timur@freescale.com>
> ---
> arch/powerpc/include/asm/ehv_pic.h | 40 +++++
> arch/powerpc/platforms/Kconfig | 4 +
> arch/powerpc/sysdev/Makefile | 1 +
> arch/powerpc/sysdev/ehv_pic.c | 302 ++++++++++++++++++++++++++++++++++++
> 4 files changed, 347 insertions(+), 0 deletions(-)
> create mode 100644 arch/powerpc/include/asm/ehv_pic.h
> create mode 100644 arch/powerpc/sysdev/ehv_pic.c

applied to next

- k


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