97 lines
2.4 KiB
ReStructuredText
97 lines
2.4 KiB
ReStructuredText
.. _OPAL_IPMI_SEND:
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OPAL_IPMI_SEND
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==============
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.. code-block:: c
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#define OPAL_IPMI_SEND 107
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enum {
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OPAL_IPMI_MSG_FORMAT_VERSION_1 = 1,
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};
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struct opal_ipmi_msg {
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uint8_t version;
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uint8_t netfn;
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uint8_t cmd;
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uint8_t data[];
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};
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int64_t opal_ipmi_send(uint64_t interface,
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struct opal_ipmi_msg *opal_ipmi_msg, uint64_t msg_len);
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:ref:`OPAL_IPMI_SEND` call will send an IPMI message to the service processor.
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Parameters
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----------
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``interface``
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``interface`` parameter is the value from the ipmi interface node ``ibm,ipmi-interface-id``
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``opal_ipmi_msg``
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``opal_ipmi_msg`` is the pointer to a ``struct opal_ipmi_msg`` (see above)
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``msg_len``
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ipmi message request size
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Return Values
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-------------
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:ref:`OPAL_SUCCESS`
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``msg`` queued successfully
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:ref:`OPAL_PARAMETER`
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invalid ipmi message request length ``msg_len``
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:ref:`OPAL_HARDWARE`
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backend support is not present as block transfer/service processor ipmi routines are not
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initialized which are used for communication
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:ref:`OPAL_UNSUPPORTED`
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in-correct opal ipmi message format version ``opal_ipmi_msg->version``
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:ref:`OPAL_RESOURCE`
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insufficient resources to create ``ipmi_msg`` structure
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.. _OPAL_IPMI_RECV:
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OPAL_IPMI_RECV
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==============
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.. code-block:: c
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#define OPAL_IPMI_RECV 108
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enum {
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OPAL_IPMI_MSG_FORMAT_VERSION_1 = 1,
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};
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struct opal_ipmi_msg {
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uint8_t version;
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uint8_t netfn;
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uint8_t cmd;
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uint8_t data[];
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};
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int64_t opal_ipmi_recv(uint64_t interface,
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struct opal_ipmi_msg *opal_ipmi_msg, uint64_t *msg_len)
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``OPAL_IPMI_RECV`` call reads an ipmi message of type ``ipmi_msg`` from ipmi message
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queue ``msgq`` into host OS structure ``opal_ipmi_msg``.
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Parameters
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----------
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``interface``
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``interface`` parameter is the value from the ipmi interface node ``ibm,ipmi-interface-id``
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``opal_ipmi_msg``
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``opal_ipmi_msg`` is the pointer to a ``struct opal_ipmi_msg`` (see above)
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``msg_len``
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``msg_len`` is the pointer to ipmi message response size
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Return Values
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-------------
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:ref:`OPAL_SUCCESS`
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ipmi message dequeued from ``msgq`` queue and memory taken by it got released successfully
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:ref:`OPAL_EMPTY`
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``msgq`` list is empty
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ref:`OPAL_PARAMETER`
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invalid ipmi ``interface`` value
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:ref:`OPAL_UNSUPPORTED`
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incorrect opal ipmi message format version ``opal_ipmi_msg->version``
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