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https://github.com/ipxe/ipxe
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c44a193d0d
Add FILE_LICENCE declarations to almost all files that make up the various standard builds of gPXE.
66 lines
1.4 KiB
C
66 lines
1.4 KiB
C
#ifndef _GPXE_IB_SMA_H
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#define _GPXE_IB_SMA_H
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/** @file
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*
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* Infiniband Subnet Management Agent
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*
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*/
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FILE_LICENCE ( GPL2_OR_LATER );
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#include <gpxe/infiniband.h>
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#include <gpxe/process.h>
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/** Infiniband Subnet Management Agent operations */
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struct ib_sma_operations {
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/** Set port information
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*
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* @v ibdev Infiniband device
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* @v port_info New port information
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*/
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int ( * set_port_info ) ( struct ib_device *ibdev,
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const struct ib_port_info *port_info );
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};
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/** An Infiniband Subnet Management Agent */
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struct ib_sma {
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/** Infiniband device */
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struct ib_device *ibdev;
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/** SMA operations */
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struct ib_sma_operations *op;
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/** SMA completion queue */
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struct ib_completion_queue *cq;
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/** SMA queue pair */
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struct ib_queue_pair *qp;
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/** Poll process */
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struct process poll;
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};
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/** SMA payload size allocated for received packets */
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#define IB_SMA_PAYLOAD_LEN 2048
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/** SMA number of send WQEs
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*
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* This is a policy decision.
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*/
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#define IB_SMA_NUM_SEND_WQES 4
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/** SMA number of receive WQEs
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*
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* This is a policy decision.
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*/
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#define IB_SMA_NUM_RECV_WQES 2
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/** SMA number of completion queue entries
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*
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* This is a policy decision
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*/
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#define IB_SMA_NUM_CQES 8
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extern int ib_create_sma ( struct ib_sma *sma, struct ib_device *ibdev,
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struct ib_sma_operations *op );
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extern void ib_destroy_sma ( struct ib_sma *sma );
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#endif /* _GPXE_IB_SMA_H */
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