Files
cubelinux-kernel/drivers/infiniband/hw/hfi1/rc.h
T
Greg Kroah-Hartman 598cf27219 Linux 6.19.3
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com>
Tested-by: Peter Schneider <pschneider1968@googlemail.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Tested-by: Brett A C Sheffield <bacs@librecast.net>
Tested-by: Mark Brown <broonie@kernel.org>
Tested-by: Luna Jernberg <droidbittin@gmail.com>
Tested-by: Ronald Warsow <rwarsow@gmx.de>
Tested-by: Justin M. Forbes <jforbes@fedoraproject.org>
Tested-by: Ron Economos <re@w6rz.net>
Tested-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-02-19 16:33:27 +01:00

60 lines
1.4 KiB
C

/* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */
/*
* Copyright(c) 2018 Intel Corporation.
*
*/
#ifndef HFI1_RC_H
#define HFI1_RC_H
/* cut down ridiculously long IB macro names */
#define OP(x) IB_OPCODE_RC_##x
static inline void update_ack_queue(struct rvt_qp *qp, unsigned int n)
{
unsigned int next;
next = n + 1;
if (next > rvt_size_atomic(ib_to_rvt(qp->ibqp.device)))
next = 0;
qp->s_tail_ack_queue = next;
qp->s_acked_ack_queue = next;
qp->s_ack_state = OP(ACKNOWLEDGE);
}
static inline void rc_defered_ack(struct hfi1_ctxtdata *rcd,
struct rvt_qp *qp)
{
if (list_empty(&qp->rspwait)) {
qp->r_flags |= RVT_R_RSP_NAK;
rvt_get_qp(qp);
list_add_tail(&qp->rspwait, &rcd->qp_wait_list);
}
}
static inline u32 restart_sge(struct rvt_sge_state *ss, struct rvt_swqe *wqe,
u32 psn, u32 pmtu)
{
u32 len;
len = delta_psn(psn, wqe->psn) * pmtu;
return rvt_restart_sge(ss, wqe, len);
}
static inline void release_rdma_sge_mr(struct rvt_ack_entry *e)
{
if (e->rdma_sge.mr) {
rvt_put_mr(e->rdma_sge.mr);
e->rdma_sge.mr = NULL;
}
}
struct rvt_ack_entry *find_prev_entry(struct rvt_qp *qp, u32 psn, u8 *prev,
u8 *prev_ack, bool *scheduled);
int do_rc_ack(struct rvt_qp *qp, u32 aeth, u32 psn, int opcode, u64 val,
struct hfi1_ctxtdata *rcd);
struct rvt_swqe *do_rc_completion(struct rvt_qp *qp, struct rvt_swqe *wqe,
struct hfi1_ibport *ibp);
#endif /* HFI1_RC_H */