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    SubjectRE: [PATCH][resubmit] HP iLO driver
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    On Tue, 24 Jun 2008 03:40:33 +0000
    "Altobelli, David" <david.altobelli@hp.com> wrote:

    > > -----Original Message-----
    > > From: FUJITA Tomonori [mailto:fujita.tomonori@lab.ntt.co.jp]
    > >
    > > This driver creates the own device file and user-space applications
    > > write a request data to the device file and read the response from it?
    >
    > Yes, though I would include that the data for the read response is
    > supplied by the management processor.

    It works with bsg.

    bsg is designed to enable user-space applications to send a request to
    something in kernel and get the response. For example, bsg is used to
    implement the user-space interface to send a request to SAS hardware
    and get the response.


    > > Would it be better to use the existing infrastructure (block/bsg.c) to
    > > do that? With bsg, you don't need to invent your fifo code to enqueue
    > > and dequeue requests.
    >
    > I'm probably missing something, but I need that particular fifo code
    > to manage the device queues.

    Oops, I overlooked it. OK, even with bsg, the fifo code is necessary.
    Probably bsg can make the driver simpler a bit.


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