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/* [ICS VERSION STRING: unknown] */
#ifndef _IBA_IB_GSI_H_
#define _IBA_IB_GSI_H_
#if defined(VXWORKS)
/* Kernel mode GSI interfaces */
#include "iba/vpi.h"
#include "iba/stl_mad_priv.h"
#if defined (__cplusplus)
extern "C" {
#endif
typedef enum _GSI_REGISTRATION_FLAGS
{
GSI_REGISTER_NONE = 0x00000000,
GSI_REGISTER_RESPONDER = 0x00000001,
GSI_REGISTER_TRAP_PROCESSOR = 0x00000002,
GSI_REGISTER_REPORT_PROCESSOR = 0x00000004
} GSI_REGISTRATION_FLAGS;
#define GSI_IS_RESPONDER(RegistrationFlags) \
((RegistrationFlags & GSI_REGISTER_RESPONDER) ? 1 : 0)
#define GSI_IS_TRAP_PROCESSOR(RegistrationFlags) \
((RegistrationFlags & GSI_REGISTER_TRAP_PROCESSOR) ? 1 : 0)
#define GSI_IS_REPORT_PROCESSOR(RegistrationFlags) \
((RegistrationFlags & GSI_REGISTER_REPORT_PROCESSOR) ? 1 : 0)
/*
* Structures
*/
typedef struct _IBT_BUFFER
{
struct _IBT_BUFFER *pNextBuffer;
void *pData;
uint32 ByteCount;
} IBT_BUFFER, *PIBT_BUFFER;
typedef struct _IBT_ELEMENT
{
struct _IBT_ELEMENT *pNextElement;
IBT_BUFFER *pBufferList;
void *pContext;
/* Completion information. */
uint32 RecvByteCount;
FSTATUS Status;
} IBT_ELEMENT, IBT_MSG_ELEMENT,
*PIBT_ELEMENT, *PIBT_MSG_ELEMENT;
typedef struct _IBT_DGRM_ELEMENT
{
/* The element must be first. */
IBT_ELEMENT Element;
/* Required for Sends/ returned on receives */
uint32 RemoteQP;
uint32 RemoteQKey;
/* TBD - can use an IB_ADDRESS_VECTOR here instead */
uint64 PortGuid;
IB_LID RemoteLID;
uint8 ServiceLevel;
uint8 PathBits;
uint8 StaticRate; /* enum IB_STATIC_RATE */
uint16 PkeyIndex;
boolean GlobalRoute;
/* Returned on receive completion. */
uint32 TotalRecvSize;
/* allocate/deallocate tripwire */
uint8 Allocated:1;
uint8 OnRecvQ:1;
uint8 OnSendQ:1;
uint8 reserved:5;
/* Global routing information. */
/* If GlobalRoute==true, GlobalRouteInfo structure is valid. */
/* for received MADs, GRHInfo has already been translated to a sender */
/* perspective (eg. SrcGIDIndex is local port, DestGID is remote port) */
IB_GLOBAL_ROUTE_INFO GRHInfo;
} IBT_DGRM_ELEMENT;
/*
* GsiDgrmAddrCopy()
* copy address information from one dgrm to another
*/
static __inline
void
GsiDgrmAddrCopy( IBT_DGRM_ELEMENT *pDgrmTo, IBT_DGRM_ELEMENT *pDgrmFrom)
{
pDgrmTo->RemoteQP = pDgrmFrom->RemoteQP;
pDgrmTo->RemoteQKey = pDgrmFrom->RemoteQKey;
pDgrmTo->PortGuid = pDgrmFrom->PortGuid;
pDgrmTo->RemoteLID = pDgrmFrom->RemoteLID;
pDgrmTo->ServiceLevel = pDgrmFrom->ServiceLevel;
pDgrmTo->PathBits = pDgrmFrom->PathBits;
pDgrmTo->StaticRate = pDgrmFrom->StaticRate;
pDgrmTo->PkeyIndex = pDgrmFrom->PkeyIndex;
pDgrmTo->GlobalRoute = pDgrmFrom->GlobalRoute;
memcpy(&pDgrmTo->GRHInfo, &pDgrmFrom->GRHInfo, sizeof(pDgrmTo->GRHInfo));
}
/* For a GSI send Dgrm, the 1st buffer is the MAD packet */
static __inline
MAD*
GsiDgrmGetSendMad(IBT_DGRM_ELEMENT *pDgrm)
{
return (MAD*)(pDgrm->Element.pBufferList->pData);
}
/* For a GSI Recv Dgrm, the 1st buffer is the GRH header */
static __inline
IB_GRH*
GsiDgrmGetRecvGrh(IBT_DGRM_ELEMENT *pDgrm)
{
return (IB_GRH*)(pDgrm->Element.pBufferList->pData);
}
/* For a GSI Recv Dgrm, the 2nd buffer is the MAD packet */
static __inline
MAD*
GsiDgrmGetRecvMad(IBT_DGRM_ELEMENT *pDgrm)
{
return (MAD*)(pDgrm->Element.pBufferList->pNextBuffer->pData);
}
static __inline
uint32
GsiDgrmGetRecvMadByteCount(IBT_DGRM_ELEMENT *pDgrm)
{
return pDgrm->Element.pBufferList->pNextBuffer->ByteCount;
}
/*
* Callbacks
*/
/*
* GSI_SEND_COMPLETION_CALLBACK
*
*
* INPUTS:
* ServiceContext - Caller defined context used during register class
* DgrmList - Pointer to a single/pool of Datagram(s) completed in send
*
* OUTPUTS:
* None
*
* RETURNS:
* None
*/
typedef void
(GSI_SEND_COMPLETION_CALLBACK)(
IN void *ServiceContext,
IN IBT_DGRM_ELEMENT *DgrmList
);
/*
* GSI_RECEIVE_CALLBACK
*
*
* INPUTS:
* ServiceContext - Caller defined context used during register class
* DgrmList - Pointer to a single/pool of Datagram(s) received
*
* OUTPUTS:
* None
*
* RETURNS:
* FCOMPLETED
* FPENDING
*/
typedef FSTATUS
(GSI_RECEIVE_CALLBACK)(
IN void *ServiceContext,
IN IBT_DGRM_ELEMENT *DgrmList
);
/*
* Registration and Class routines
*/
/*
* GsiRegisterClass
*
* GsiRegisterClass registers a management class with GSI.
* A class is identified by a unique id, a version. The class owner
* can also register a callback that can be used to indicate
* incoming packets targeted for this class and a callback to
* indicate post send completions.
*
* INPUTS:
* MgmtClass - Management class to be registered
* MgmtClassVersion- Will be 1 for this version.
* RegistrationFlags - Indicates if this is a Responder and/or a Trap Processor
* and/or a Report Processor.
* Responders, Trap/Report Processors register for and
* receive unsolicited messages. GSI supports multiple
* registrations per class.
* SARClient - TRUE indicates client needs SAR capability.
* ServiceContext - Caller defined context passed back in callbacks.
* SendCompletionCallback- Callback for all datagrams completions posted
* in send.
* ReceiveCallback - Callback for all datagrams received.
*
* OUTPUTS:
* ServiceHandle - Client unique handle returned to caller on successful
* registration.
*
* RETURNS:
* FSUCCESS
* FINVALID_PARAMETER
* FINSUFFICIENT_RESOURCES
*/
typedef FSTATUS
(GSI_REGISTER_CLASS)(
IN uint8 MgmtClass,
IN uint8 MgmtClassVersion,
IN GSI_REGISTRATION_FLAGS RegistrationFlags,
IN boolean SARClient,
IN void *ServiceContext,
IN GSI_SEND_COMPLETION_CALLBACK *SendCompletionCallback,
IN GSI_RECEIVE_CALLBACK *ReceiveCallback,
OUT IB_HANDLE *ServiceHandle
);
IBA_API GSI_REGISTER_CLASS iba_gsi_register_class;
/*
* GsiDeregisterClass
*
* INPUTS:
* ServiceHandle - Handle returned upon a successful registration.
*
* OUTPUTS:
* None
*
* RETURNS:
* FSUCCESS
* FINVALID_PARAMETER
* FINSUFFICIENT_RESOURCES
*/
typedef FSTATUS
(GSI_DEREGISTER_CLASS)(
IN IB_HANDLE ServiceHandle
);
IBA_API GSI_DEREGISTER_CLASS iba_gsi_deregister_class;
/*
* Pool management routines
*/
/*
* GsiCreateDgrmPool
*
* INPUTS:
* ServiceHandle - Handle returned upon registration
* ElementCount - Number of elements in pool
* BuffersPerElement- Number of buffers in each pool element
* BufferSizeArray[]- An array of buffers sizes. The length of this array must
* be equal to BuffersPerElement.
* ContextSize - Size of user context in each element
*
* OUTPUTS:
* DgrmPoolHandle - Opaque handle returned to identify datagram pool created
*
* RETURNS:
* FSUCCESS
* FINVALID_PARAMETER
* FINSUFFICIENT_RESOURCES
*/
typedef FSTATUS
(GSI_CREATE_DGRM_POOL)(
IN IB_HANDLE ServiceHandle,
IN uint32 ElementCount,
IN uint32 BuffersPerElement,
IN uint32 BufferSizeArray[],
IN uint32 ContextSize,
OUT IB_HANDLE *DgrmPoolHandle
);
IBA_API GSI_CREATE_DGRM_POOL iba_gsi_create_dgrm_pool;
/*
* GsiDestroyDgrmPool
*
* INPUTS:
* DgrmPoolHandle - Handle returned upon successful creation of Datagram pool
*
* OUTPUTS:
* None
*
* RETURNS:
* FSUCCESS
* FINVALID_PARAMETER
* FINSUFFICIENT_RESOURCES
*/
typedef FSTATUS
(GSI_DESTROY_DGRM_POOL)(
IN IB_HANDLE DgrmPoolHandle
);
IBA_API GSI_DESTROY_DGRM_POOL iba_gsi_destroy_dgrm_pool;
/*
* GsiDgrmPoolGet
*
* INPUTS:
* DgrmPoolHandle - Handle returned upon successful creation of Datagram pool
* ElementCount - Number of elements to fetch from pool
*
* OUTPUTS:
* ElementCount - Number of elements fetched from pool
* DgrmList - Pointer holds the datagram list if successful
*
* RETURNS:
* FSUCCESS
* FINVALID_PARAMETER
* FINSUFFICIENT_RESOURCES
*/
typedef FSTATUS
(GSI_DGRM_POOL_GET)(
IN IB_HANDLE DgrmPoolHandle,
IN OUT uint32 *ElementCount,
OUT IBT_DGRM_ELEMENT **DgrmList
);
IBA_API GSI_DGRM_POOL_GET iba_gsi_dgrm_pool_get;
/*
* GsiDgrmPoolPut
*
*
* INPUTS:
* DgrmList - Datagram elements to return back to pool
*
* OUTPUTS:
* None
*
* RETURNS:
* FSUCCESS
* FINVALID_PARAMETER
* FINSUFFICIENT_RESOURCES
*/
typedef FSTATUS
(GSI_DGRM_POOL_PUT)(
IN IBT_DGRM_ELEMENT *DgrmList
);
IBA_API GSI_DGRM_POOL_PUT iba_gsi_dgrm_pool_put;
/*
* GsiDgrmPoolCount
*
* INPUTS:
* DgrmPoolHandle - Handle returned upon successful creation of Datagram pool
*
* OUTPUTS:
*
* RETURNS:
* number of datagrams in the pool
*/
typedef uint32
(GSI_DGRM_POOL_COUNT)(
IN IB_HANDLE DgrmPoolHandle
);
IBA_API GSI_DGRM_POOL_COUNT iba_gsi_dgrm_pool_count;
/*
* GsiDgrmPoolTotal
*
* INPUTS:
* DgrmPoolHandle - Handle returned upon successful creation of Datagram pool
*
* OUTPUTS:
*
* RETURNS:
* total number of datagrams allocated in the pool
*/
typedef uint32
(GSI_DGRM_POOL_TOTAL)(
IN IB_HANDLE DgrmPoolHandle
);
IBA_API GSI_DGRM_POOL_TOTAL iba_gsi_dgrm_pool_total;
/*
* CreateGrowableDgrmPool
*
*
*
* INPUTS:
*
* ServiceHandle - Handle returned upon registration
*
* ElementCount - Initial Number of elements in pool (can be 0)
*
* BuffersPerElement- Number of buffers in each pool element (required)
*
* BufferSizeArray[]- An array of buffers sizes. The length of this array must
* be equal to BuffersPerElement. (required)
*
* ContextSize - Size of user context in each element (required)
*
*
*
* OUTPUTS:
*
* DgrmPoolHandle - Opaque handle returned to identify datagram pool created
*
*
*
* RETURNS:
*
* FSUCCESS
* FINVALID_PARAMETER
* FINSUFFICIENT_RESOURCES
*
*/
typedef FSTATUS
(GSI_CREATE_GROWABLE_DGRM_POOL)(
IN IB_HANDLE ServiceHandle,
IN uint32 ElementCount,
IN uint32 BuffersPerElement,
IN uint32 BufferSizeArray[],
IN uint32 ContextSize,
OUT IB_HANDLE *DgrmPoolHandle
);
IBA_API GSI_CREATE_GROWABLE_DGRM_POOL iba_gsi_create_growable_dgrm_pool;
/*
* DgrmPoolGrow
* Grow the size of a Growable Dgrm Pool
* This routine may preempt.
*
*
* INPUTS:
* DgrmPoolHandle - Opaque handle to datagram pool
*
* ELementCount - number of elements to add to pool
*
*
*
* OUTPUTS:
*
* None
*
*
* RETURNS:
*
* FSUCCESS
* FINVALID_PARAMETER
* FINSUFFICIENT_RESOURCES
*/
typedef FSTATUS
(GSI_DGRM_POOL_GROW)(
IN IB_HANDLE DgrmPoolHandle,
IN uint32 ElementCount
);
IBA_API GSI_DGRM_POOL_GROW iba_gsi_dgrm_pool_grow;
/*
* DgrmPoolGrowAsNeeded
* Checks Pool size and schedules a system callback to grow it as needed
* This routine does not preempt.
*
*
* INPUTS:
* DgrmPoolHandle - Opaque handle to datagram pool
*
* lowWater - if Dgrm Pool available < this, we will grow it
*
* maxElements - limit on size of Dgrm Pool, will not grow beyond this
*
* growIncrement - amount to grow by if we are growing
*
*
*
* OUTPUTS:
*
* None
*
*
* RETURNS:
*
* None
*/
typedef void
(GSI_DGRM_POOL_GROW_AS_NEEDED)(
IN IB_HANDLE DgrmPoolHandle,
IN uint32 lowWater,
IN uint32 maxElements,
IN uint32 growIncrement
);
IBA_API GSI_DGRM_POOL_GROW_AS_NEEDED iba_gsi_dgrm_pool_grow_as_needed;
/*
* Post operation routines
*/
/*
* GsiPostSendDgrm
*
*
* INPUTS:
* ServiceHandle - Handle returned upon registration
* DgrmList - List of datagram(s) to be posted for send
* each must have payload in network byte order
* however MAD and RMPP_HEADERs should be in host
* byte order. On success, GSI owns the buffer and
* will byte swap back the MAD header prior to send completion
* on failure the buffer will be restored to host byte order
* for the MAD and RMPP headers
*
* OUTPUTS:
* None
*
* RETURNS:
* FSUCCESS
* FINVALID_PARAMETER
* FINSUFFICIENT_RESOURCES
* FINVALID_STATE
*/
typedef FSTATUS
(GSI_POST_SEND_DGRM)(
IN IB_HANDLE ServiceHandle,
IN IBT_DGRM_ELEMENT *DgrmList
);
IBA_API GSI_POST_SEND_DGRM iba_gsi_post_send;
/*
* Helper functions
*/
/*
* iba_gsi_dgrm_len
*
* This reports the length of a Dgrm sequence as total of:
* GRH
* MAD_COMMON
* RMPP_HEADER
* class Header (SA, etc)
* RMPP_DATA (possibly large)
* returned messageSize will indicate the total size of the output.
* RmppHdr.PayloadLen will not be adjusted, it will still reflect the
* total RMPP_DATA which will account for a class Header in each
* packet.
*
* INPUTS:
* DgrmElement - A list of Datagrams that need to be analyzed
* data pointed to only used during duration of call
* ClassHeaderSize - size of class header
* this is expected to be in every RMPP packet
* immediately after the RMPP_HEADER
* size will account for one copy of the Class header
* from the 1st RMPP DATA of the message
*
* OUTPUTS:
* None
*
* RETURNS:
* Message Size.
* if invalid RMPP sequence, returns 0
*/
typedef uint32
(GSI_DGRM_LEN)(
IN IBT_DGRM_ELEMENT *DgrmElement,
IN uint32 ClassHeaderSize
);
IBA_API GSI_DGRM_LEN iba_gsi_dgrm_len;
/*
* GsiCoalesceDgrm
*
* The Coalesce function will create an output as follows:
* GRH
* MAD_COMMON
* RMPP_HEADER
* class Header (SA, etc)
* RMPP_DATA (possibly large)
* returned messageSize will indicate the total size of the output
* RmppHdr.PayloadLen will not be adjusted, it will reflect the
* total RMPP_DATA which will account for a class Header in each
* packet.
*
* INPUTS:
* DgrmElement - A list of Datagrams that need to be coalesced
* data pointed to only used during duration of call
* ppBuffer - *ppBuffer is Client buffer to coalesce to
* if *ppBuffer is NULL, this routine will
* compute the necessary size of the buffer and
* allocate it on behalf of the caller
* data pointed to only used during duration of call
* ClassHeaderSize - size of class header
* this is expected to be in every RMPP packet
* immediately after the RMPP_HEADER
* a copy of the Class header from the 1st RMPP
* DATA of the message will be included in the
* Coalesced output buffer
* MemAllocFlags - flags for memory allocate of buffer
* for larger responses, it is recommended caller
* be structured such that IBA_MEM_FLAG_PREEMPTABLE
* can be used
*
* OUTPUTS:
* None
*
* RETURNS:
*
* Message size.
* if unable to allocate buffer *ppBuffer is left NULL
* if invalid RMPP sequence, returns 0. In which case *ppBuffer will be NULL.
*/
typedef uint32
(GSI_COALESCE_DGRM)(
IN IBT_DGRM_ELEMENT *DgrmElement,
IN uint8 **ppBuffer,
IN uint32 ClassHeaderSize
);
IBA_API GSI_COALESCE_DGRM iba_gsi_coalesce_dgrm;
typedef uint32
(GSI_COALESCE_DGRM2)(
IN IBT_DGRM_ELEMENT *DgrmElement,
IN uint8 **ppBuffer,
IN uint32 ClassHeaderSize,
IN uint32 MemAllocFlags
);
IBA_API GSI_COALESCE_DGRM2 iba_gsi_coalesce_dgrm2;
#if defined (__cplusplus)
};
#endif
#endif /* VXWORKS */
#endif /* _IBA_IB_GSI_H_ */