linux/drivers/infiniband/hw/hfi1/opfn.c

// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
/*
 * Copyright(c) 2018 Intel Corporation.
 *
 */
#include "hfi.h"
#include "trace.h"
#include "qp.h"
#include "opfn.h"

#define IB_BTHE_E …

#define OPFN_CODE(code) …
#define OPFN_MASK(code) …

struct hfi1_opfn_type { … };

static struct hfi1_opfn_type hfi1_opfn_handlers[STL_VERBS_EXTD_MAX] = …;

static struct workqueue_struct *opfn_wq;

static void opfn_schedule_conn_request(struct rvt_qp *qp);

static bool hfi1_opfn_extended(u32 bth1)
{ … }

static void opfn_conn_request(struct rvt_qp *qp)
{ … }

void opfn_send_conn_request(struct work_struct *work)
{ … }

/*
 * When QP s_lock is held in the caller, the OPFN request must be scheduled
 * to a different workqueue to avoid double locking QP s_lock in call to
 * ib_post_send in opfn_conn_request
 */
static void opfn_schedule_conn_request(struct rvt_qp *qp)
{ … }

void opfn_conn_response(struct rvt_qp *qp, struct rvt_ack_entry *e,
			struct ib_atomic_eth *ateth)
{ … }

void opfn_conn_reply(struct rvt_qp *qp, u64 data)
{ … }

void opfn_conn_error(struct rvt_qp *qp)
{ … }

void opfn_qp_init(struct rvt_qp *qp, struct ib_qp_attr *attr, int attr_mask)
{ … }

void opfn_trigger_conn_request(struct rvt_qp *qp, u32 bth1)
{ … }

int opfn_init(void)
{ … }

void opfn_exit(void)
{ … }