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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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