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opnsense-src/sys/dev/cxgbe/iw_cxgbe/ev.c
Warner Losh 685dc743dc sys: Remove $FreeBSD$: one-line .c pattern 
Remove /^[\s*]*__FBSDID\("\$FreeBSD\$"\);?\s*\n/
2023-08-16 11:54:36 -06:00

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/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2009-2013 Chelsio, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include <sys/cdefs.h>
#include "opt_inet.h"
#ifdef TCP_OFFLOAD
#include <linux/slab.h>
#include "iw_cxgbe.h"
static void print_tpte(struct adapter *sc, const u32 stag,
const struct fw_ri_tpte *tpte)
{
const __be64 *p = (const void *)tpte;
CH_ERR(sc, "stag idx 0x%x valid %d key 0x%x state %d pdid %d "
"perm 0x%x ps %d len 0x%016llx va 0x%016llx\n",
stag & 0xffffff00,
G_FW_RI_TPTE_VALID(ntohl(tpte->valid_to_pdid)),
G_FW_RI_TPTE_STAGKEY(ntohl(tpte->valid_to_pdid)),
G_FW_RI_TPTE_STAGSTATE(ntohl(tpte->valid_to_pdid)),
G_FW_RI_TPTE_PDID(ntohl(tpte->valid_to_pdid)),
G_FW_RI_TPTE_PERM(ntohl(tpte->locread_to_qpid)),
G_FW_RI_TPTE_PS(ntohl(tpte->locread_to_qpid)),
(long long)(((u64)ntohl(tpte->len_hi) << 32) | ntohl(tpte->len_lo)),
(long long)(((u64)ntohl(tpte->va_hi) << 32) | ntohl(tpte->va_lo_fbo)));
CH_ERR(sc, "stag idx 0x%x: %016llx %016llx %016llx %016llx\n",
stag & 0xffffff00,
(long long)be64_to_cpu(p[0]), (long long)be64_to_cpu(p[1]),
(long long)be64_to_cpu(p[2]), (long long)be64_to_cpu(p[3]));
}
void t4_dump_stag(struct adapter *sc, const u32 stag)
{
struct fw_ri_tpte tpte __aligned(sizeof(__be64)) = {0};
const u32 offset = sc->vres.stag.start + ((stag >> 8) * 32);
if (offset > sc->vres.stag.start + sc->vres.stag.size - 32) {
CH_ERR(sc, "stag 0x%x is invalid for current configuration.\n",
stag);
return;
}
read_via_memwin(sc, 0, offset, (u32 *)&tpte, 32);
print_tpte(sc, stag, &tpte);
}
void t4_dump_all_stag(struct adapter *sc)
{
struct fw_ri_tpte tpte __aligned(sizeof(__be64)) = {0};
const u32 first = sc->vres.stag.start;
const u32 last = first + sc->vres.stag.size - 32;
u32 offset, i;
for (i = 0, offset = first; offset <= last; i++, offset += 32) {
tpte.valid_to_pdid = 0;
read_via_memwin(sc, 0, offset, (u32 *)&tpte, 4);
if (tpte.valid_to_pdid != 0) {
read_via_memwin(sc, 0, offset, (u32 *)&tpte, 32);
print_tpte(sc, i << 8, &tpte);
}
}
}
static void dump_err_cqe(struct c4iw_dev *dev, struct t4_cqe *err_cqe)
{
struct adapter *sc = dev->rdev.adap;
__be64 *p = (void *)err_cqe;
CH_ERR(sc, "AE qpid 0x%x opcode %d status 0x%x "
"type %d wrid.hi 0x%x wrid.lo 0x%x\n",
CQE_QPID(err_cqe), CQE_OPCODE(err_cqe),
CQE_STATUS(err_cqe), CQE_TYPE(err_cqe),
CQE_WRID_HI(err_cqe), CQE_WRID_LOW(err_cqe));
CH_ERR(sc, "%016llx %016llx %016llx %016llx\n",
(long long)be64_to_cpu(p[0]), (long long)be64_to_cpu(p[1]),
(long long)be64_to_cpu(p[2]), (long long)be64_to_cpu(p[3]));
/*
* Ingress WRITE and READ_RESP errors provide
* the offending stag, so parse and log it.
*/
if (RQ_TYPE(err_cqe) && (CQE_OPCODE(err_cqe) == FW_RI_RDMA_WRITE ||
CQE_OPCODE(err_cqe) == FW_RI_READ_RESP))
t4_dump_stag(sc, CQE_WRID_STAG(err_cqe));
}
static void post_qp_event(struct c4iw_dev *dev, struct c4iw_cq *chp,
struct c4iw_qp *qhp,
struct t4_cqe *err_cqe,
enum ib_event_type ib_event)
{
struct ib_event event;
struct c4iw_qp_attributes attrs;
unsigned long flag;
if ((qhp->attr.state == C4IW_QP_STATE_ERROR) ||
(qhp->attr.state == C4IW_QP_STATE_TERMINATE)) {
CTR4(KTR_IW_CXGBE, "%s AE received after RTS - "
"qp state %d qpid 0x%x status 0x%x", __func__,
qhp->attr.state, qhp->wq.sq.qid, CQE_STATUS(err_cqe));
return;
}
dump_err_cqe(dev, err_cqe);
if (qhp->attr.state == C4IW_QP_STATE_RTS) {
attrs.next_state = C4IW_QP_STATE_TERMINATE;
c4iw_modify_qp(qhp->rhp, qhp, C4IW_QP_ATTR_NEXT_STATE,
&attrs, 0);
}
event.event = ib_event;
event.device = chp->ibcq.device;
if (ib_event == IB_EVENT_CQ_ERR)
event.element.cq = &chp->ibcq;
else
event.element.qp = &qhp->ibqp;
if (qhp->ibqp.event_handler)
(*qhp->ibqp.event_handler)(&event, qhp->ibqp.qp_context);
spin_lock_irqsave(&chp->comp_handler_lock, flag);
(*chp->ibcq.comp_handler)(&chp->ibcq, chp->ibcq.cq_context);
spin_unlock_irqrestore(&chp->comp_handler_lock, flag);
}
void c4iw_ev_dispatch(struct c4iw_dev *dev, struct t4_cqe *err_cqe)
{
struct c4iw_cq *chp;
struct c4iw_qp *qhp;
u32 cqid;
spin_lock_irq(&dev->lock);
qhp = get_qhp(dev, CQE_QPID(err_cqe));
if (!qhp) {
printf("BAD AE qpid 0x%x opcode %d "
"status 0x%x type %d wrid.hi 0x%x wrid.lo 0x%x\n",
CQE_QPID(err_cqe),
CQE_OPCODE(err_cqe), CQE_STATUS(err_cqe),
CQE_TYPE(err_cqe), CQE_WRID_HI(err_cqe),
CQE_WRID_LOW(err_cqe));
spin_unlock_irq(&dev->lock);
goto out;
}
if (SQ_TYPE(err_cqe))
cqid = qhp->attr.scq;
else
cqid = qhp->attr.rcq;
chp = get_chp(dev, cqid);
if (!chp) {
printf("BAD AE cqid 0x%x qpid 0x%x opcode %d "
"status 0x%x type %d wrid.hi 0x%x wrid.lo 0x%x\n",
cqid, CQE_QPID(err_cqe),
CQE_OPCODE(err_cqe), CQE_STATUS(err_cqe),
CQE_TYPE(err_cqe), CQE_WRID_HI(err_cqe),
CQE_WRID_LOW(err_cqe));
spin_unlock_irq(&dev->lock);
goto out;
}
c4iw_qp_add_ref(&qhp->ibqp);
atomic_inc(&chp->refcnt);
spin_unlock_irq(&dev->lock);
/* Bad incoming write */
if (RQ_TYPE(err_cqe) &&
(CQE_OPCODE(err_cqe) == FW_RI_RDMA_WRITE)) {
post_qp_event(dev, chp, qhp, err_cqe, IB_EVENT_QP_REQ_ERR);
goto done;
}
switch (CQE_STATUS(err_cqe)) {
/* Completion Events */
case T4_ERR_SUCCESS:
printf(KERN_ERR MOD "AE with status 0!\n");
break;
case T4_ERR_STAG:
case T4_ERR_PDID:
case T4_ERR_QPID:
case T4_ERR_ACCESS:
case T4_ERR_WRAP:
case T4_ERR_BOUND:
case T4_ERR_INVALIDATE_SHARED_MR:
case T4_ERR_INVALIDATE_MR_WITH_MW_BOUND:
post_qp_event(dev, chp, qhp, err_cqe, IB_EVENT_QP_ACCESS_ERR);
break;
/* Device Fatal Errors */
case T4_ERR_ECC:
case T4_ERR_ECC_PSTAG:
case T4_ERR_INTERNAL_ERR:
post_qp_event(dev, chp, qhp, err_cqe, IB_EVENT_DEVICE_FATAL);
break;
/* QP Fatal Errors */
case T4_ERR_OUT_OF_RQE:
case T4_ERR_PBL_ADDR_BOUND:
case T4_ERR_CRC:
case T4_ERR_MARKER:
case T4_ERR_PDU_LEN_ERR:
case T4_ERR_DDP_VERSION:
case T4_ERR_RDMA_VERSION:
case T4_ERR_OPCODE:
case T4_ERR_DDP_QUEUE_NUM:
case T4_ERR_MSN:
case T4_ERR_TBIT:
case T4_ERR_MO:
case T4_ERR_MSN_GAP:
case T4_ERR_MSN_RANGE:
case T4_ERR_RQE_ADDR_BOUND:
case T4_ERR_IRD_OVERFLOW:
post_qp_event(dev, chp, qhp, err_cqe, IB_EVENT_QP_FATAL);
break;
default:
printf("Unknown T4 status 0x%x QPID 0x%x\n",
CQE_STATUS(err_cqe), qhp->wq.sq.qid);
post_qp_event(dev, chp, qhp, err_cqe, IB_EVENT_QP_FATAL);
break;
}
done:
if (atomic_dec_and_test(&chp->refcnt))
wake_up(&chp->wait);
c4iw_qp_rem_ref(&qhp->ibqp);
out:
return;
}
int c4iw_ev_handler(struct sge_iq *iq, const struct rsp_ctrl *rc)
{
struct c4iw_dev *dev = iq->adapter->iwarp_softc;
u32 qid = be32_to_cpu(rc->pldbuflen_qid);
struct c4iw_cq *chp;
unsigned long flag;
spin_lock_irqsave(&dev->lock, flag);
chp = get_chp(dev, qid);
if (chp) {
atomic_inc(&chp->refcnt);
spin_unlock_irqrestore(&dev->lock, flag);
spin_lock_irqsave(&chp->comp_handler_lock, flag);
(*chp->ibcq.comp_handler)(&chp->ibcq, chp->ibcq.cq_context);
spin_unlock_irqrestore(&chp->comp_handler_lock, flag);
if (atomic_dec_and_test(&chp->refcnt))
wake_up(&chp->wait);
} else {
CTR2(KTR_IW_CXGBE, "%s unknown cqid 0x%x", __func__, qid);
spin_unlock_irqrestore(&dev->lock, flag);
}
return 0;
}
#endif
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