[Skiboot] [PATCH V3 2/2] doc/opal-api: Documentation for opal-ipmi-send-recv

[Mukesh Ojha]

Both the patches looks good.

Reviewed-by: Mukesh Ojha <mukesh02 at linux.vnet.ibm.com>

Thanks,
Mukesh


On Thursday 11 August 2016 04:30 PM, ppaidipe at linux.vnet.ibm.com wrote:
> From: Pridhiviraj Paidipeddi <ppaidipe at linux.vnet.ibm.com>
>
> This patch adds documentation for OPAL_IPMI_SEND and OPAL_IPMI_RECV
>
> Signed-off-by: Pridhiviraj Paidipeddi <ppaidipe at linux.vnet.ibm.com>
> ---
> Changes in V3:
>       - moved the change log to below signed off by tag
>       - Added missing change in V2
>
> Changes in V2:
>       - Changes as per Mukesh's comment on V1
>       - Combined opal_ipmi_send and opal_ipmi_recv into one file
>       - Removed the api names
>       - Replaced Arguments with Parameters
>       - Added :: before ``opal_ipmi_msg`` structure
>       - ``ipmi_msg`` structure declaration
>
>   doc/opal-api/opal-ipmi-send-recv-107-108.rst | 105 +++++++++++++++++++++++++++
>   1 file changed, 105 insertions(+)
>   create mode 100644 doc/opal-api/opal-ipmi-send-recv-107-108.rst
>
> diff --git a/doc/opal-api/opal-ipmi-send-recv-107-108.rst b/doc/opal-api/opal-ipmi-send-recv-107-108.rst
> new file mode 100644
> index 0000000..64b7589
> --- /dev/null
> +++ b/doc/opal-api/opal-ipmi-send-recv-107-108.rst
> @@ -0,0 +1,105 @@
> +OPAL_IPMI_SEND
> +==============
> +::
> +
> +   #define OPAL_IPMI_SEND                          107
> +
> +``OPAL_IPMI_SEND`` call converts host OS structure ``opal_ipmi_msg`` to an
> +ipmi message structure ``ipmi_msg`` and it will send the ``msg`` into
> +ipmi message list/queue which will be queued to service processor/management
> +controller to parse and execute those ipmi commands.
> +
> +Parameters
> +----------
> +::
> +
> +   uint64_t interface
> +   struct opal_ipmi_msg *opal_ipmi_msg
> +   uint64_t msg_len
> +
> +``interface``
> +   ``interface`` parameter is the value from the ipmi interface node ``ibm,ipmi-interface-id``
> +
> +``opal_ipmi_msg``
> +   ``opal_ipmi_msg`` is the pointer to below structure ``opal_ipmi_msg``
> +
> +::
> +
> +   struct opal_ipmi_msg {
> +        uint8_t version;
> +        uint8_t netfn;
> +        uint8_t cmd;
> +        uint8_t data[];
> +   };
> +
> +``msg_len``
> +   ipmi message request size
> +
> +Return Values
> +-------------
> +
> +``OPAL_SUCCESS``
> +  ``msg`` queued successfully
> +
> +``OPAL_PARAMETER``
> +  invalid ipmi message request length ``msg_len``
> +
> +``OPAL_HARDWARE``
> +  backend support is not present as block transfer/service processor ipmi routines are not
> +  initialized which are used for communication
> +
> +``OPAL_UNSUPPORTED``
> +  in-correct opal ipmi message format version ``opal_ipmi_msg->version``
> +
> +``OPAL_RESOURCE``
> +  insufficient resources to create ``ipmi_msg`` structure
> +
> +OPAL_IPMI_RECV
> +==============
> +::
> +
> +   #define OPAL_IPMI_RECV                          108
> +
> +``OPAL_IPMI_RECV`` call reads an ipmi message of type ``ipmi_msg`` from ipmi message
> +queue ``msgq`` into host OS structure ``opal_ipmi_msg``.
> +
> +Parameters
> +----------
> +::
> +
> +   uint64_t interface
> +   struct opal_ipmi_msg *opal_ipmi_msg
> +   uint64_t *msg_len
> +
> +``interface``
> +   ``interface`` parameter is the value from the ipmi interface node ``ibm,ipmi-interface-id``
> +
> +``opal_ipmi_msg``
> +   ``opal_ipmi_msg`` is the pointer to below structure ``opal_ipmi_msg``
> +
> +::
> +
> +   struct opal_ipmi_msg {
> +        uint8_t version;
> +        uint8_t netfn;
> +        uint8_t cmd;
> +        uint8_t data[];
> +   };
> +
> +``msg_len``
> +   ``msg_len`` is the pointer to ipmi message response size
> +
> +Return Values
> +-------------
> +
> +``OPAL_SUCCESS``
> +  ipmi message dequeued from ``msgq`` queue and memory taken by it got released successfully
> +
> +``OPAL_EMPTY``
> +  ``msgq`` list is empty
> +
> +``OPAL_PARAMETER``
> +  invalid ipmi ``interface`` value
> +
> +``OPAL_UNSUPPORTED``
> +  in-correct opal ipmi message format version ``opal_ipmi_msg->version``

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