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path: root/drivers/infiniband/hw/qib/qib_rc.c
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Diffstat (limited to 'drivers/infiniband/hw/qib/qib_rc.c')
-rw-r--r--drivers/infiniband/hw/qib/qib_rc.c409
1 files changed, 198 insertions, 211 deletions
diff --git a/drivers/infiniband/hw/qib/qib_rc.c b/drivers/infiniband/hw/qib/qib_rc.c
index e6b7556d5..9088e26d3 100644
--- a/drivers/infiniband/hw/qib/qib_rc.c
+++ b/drivers/infiniband/hw/qib/qib_rc.c
@@ -40,7 +40,7 @@
static void rc_timeout(unsigned long arg);
-static u32 restart_sge(struct qib_sge_state *ss, struct qib_swqe *wqe,
+static u32 restart_sge(struct rvt_sge_state *ss, struct rvt_swqe *wqe,
u32 psn, u32 pmtu)
{
u32 len;
@@ -54,9 +54,9 @@ static u32 restart_sge(struct qib_sge_state *ss, struct qib_swqe *wqe,
return wqe->length - len;
}
-static void start_timer(struct qib_qp *qp)
+static void start_timer(struct rvt_qp *qp)
{
- qp->s_flags |= QIB_S_TIMER;
+ qp->s_flags |= RVT_S_TIMER;
qp->s_timer.function = rc_timeout;
/* 4.096 usec. * (1 << qp->timeout) */
qp->s_timer.expires = jiffies + qp->timeout_jiffies;
@@ -74,17 +74,17 @@ static void start_timer(struct qib_qp *qp)
* Note that we are in the responder's side of the QP context.
* Note the QP s_lock must be held.
*/
-static int qib_make_rc_ack(struct qib_ibdev *dev, struct qib_qp *qp,
+static int qib_make_rc_ack(struct qib_ibdev *dev, struct rvt_qp *qp,
struct qib_other_headers *ohdr, u32 pmtu)
{
- struct qib_ack_entry *e;
+ struct rvt_ack_entry *e;
u32 hwords;
u32 len;
u32 bth0;
u32 bth2;
/* Don't send an ACK if we aren't supposed to. */
- if (!(ib_qib_state_ops[qp->state] & QIB_PROCESS_RECV_OK))
+ if (!(ib_rvt_state_ops[qp->state] & RVT_PROCESS_RECV_OK))
goto bail;
/* header size in 32-bit words LRH+BTH = (8+12)/4. */
@@ -95,7 +95,7 @@ static int qib_make_rc_ack(struct qib_ibdev *dev, struct qib_qp *qp,
case OP(RDMA_READ_RESPONSE_ONLY):
e = &qp->s_ack_queue[qp->s_tail_ack_queue];
if (e->rdma_sge.mr) {
- qib_put_mr(e->rdma_sge.mr);
+ rvt_put_mr(e->rdma_sge.mr);
e->rdma_sge.mr = NULL;
}
/* FALLTHROUGH */
@@ -112,7 +112,7 @@ static int qib_make_rc_ack(struct qib_ibdev *dev, struct qib_qp *qp,
case OP(ACKNOWLEDGE):
/* Check for no next entry in the queue. */
if (qp->r_head_ack_queue == qp->s_tail_ack_queue) {
- if (qp->s_flags & QIB_S_ACK_PENDING)
+ if (qp->s_flags & RVT_S_ACK_PENDING)
goto normal;
goto bail;
}
@@ -133,7 +133,7 @@ static int qib_make_rc_ack(struct qib_ibdev *dev, struct qib_qp *qp,
/* Copy SGE state in case we need to resend */
qp->s_rdma_mr = e->rdma_sge.mr;
if (qp->s_rdma_mr)
- qib_get_mr(qp->s_rdma_mr);
+ rvt_get_mr(qp->s_rdma_mr);
qp->s_ack_rdma_sge.sge = e->rdma_sge;
qp->s_ack_rdma_sge.num_sge = 1;
qp->s_cur_sge = &qp->s_ack_rdma_sge;
@@ -172,7 +172,7 @@ static int qib_make_rc_ack(struct qib_ibdev *dev, struct qib_qp *qp,
qp->s_cur_sge = &qp->s_ack_rdma_sge;
qp->s_rdma_mr = qp->s_ack_rdma_sge.sge.mr;
if (qp->s_rdma_mr)
- qib_get_mr(qp->s_rdma_mr);
+ rvt_get_mr(qp->s_rdma_mr);
len = qp->s_ack_rdma_sge.sge.sge_length;
if (len > pmtu)
len = pmtu;
@@ -196,7 +196,7 @@ normal:
* (see above).
*/
qp->s_ack_state = OP(SEND_ONLY);
- qp->s_flags &= ~QIB_S_ACK_PENDING;
+ qp->s_flags &= ~RVT_S_ACK_PENDING;
qp->s_cur_sge = NULL;
if (qp->s_nak_state)
ohdr->u.aeth =
@@ -218,7 +218,7 @@ normal:
bail:
qp->s_ack_state = OP(ACKNOWLEDGE);
- qp->s_flags &= ~(QIB_S_RESP_PENDING | QIB_S_ACK_PENDING);
+ qp->s_flags &= ~(RVT_S_RESP_PENDING | RVT_S_ACK_PENDING);
return 0;
}
@@ -226,63 +226,60 @@ bail:
* qib_make_rc_req - construct a request packet (SEND, RDMA r/w, ATOMIC)
* @qp: a pointer to the QP
*
+ * Assumes the s_lock is held.
+ *
* Return 1 if constructed; otherwise, return 0.
*/
-int qib_make_rc_req(struct qib_qp *qp)
+int qib_make_rc_req(struct rvt_qp *qp)
{
+ struct qib_qp_priv *priv = qp->priv;
struct qib_ibdev *dev = to_idev(qp->ibqp.device);
struct qib_other_headers *ohdr;
- struct qib_sge_state *ss;
- struct qib_swqe *wqe;
+ struct rvt_sge_state *ss;
+ struct rvt_swqe *wqe;
u32 hwords;
u32 len;
u32 bth0;
u32 bth2;
u32 pmtu = qp->pmtu;
char newreq;
- unsigned long flags;
int ret = 0;
int delta;
- ohdr = &qp->s_hdr->u.oth;
+ ohdr = &priv->s_hdr->u.oth;
if (qp->remote_ah_attr.ah_flags & IB_AH_GRH)
- ohdr = &qp->s_hdr->u.l.oth;
-
- /*
- * The lock is needed to synchronize between the sending tasklet,
- * the receive interrupt handler, and timeout resends.
- */
- spin_lock_irqsave(&qp->s_lock, flags);
+ ohdr = &priv->s_hdr->u.l.oth;
/* Sending responses has higher priority over sending requests. */
- if ((qp->s_flags & QIB_S_RESP_PENDING) &&
+ if ((qp->s_flags & RVT_S_RESP_PENDING) &&
qib_make_rc_ack(dev, qp, ohdr, pmtu))
goto done;
- if (!(ib_qib_state_ops[qp->state] & QIB_PROCESS_SEND_OK)) {
- if (!(ib_qib_state_ops[qp->state] & QIB_FLUSH_SEND))
+ if (!(ib_rvt_state_ops[qp->state] & RVT_PROCESS_SEND_OK)) {
+ if (!(ib_rvt_state_ops[qp->state] & RVT_FLUSH_SEND))
goto bail;
/* We are in the error state, flush the work request. */
- if (qp->s_last == qp->s_head)
+ smp_read_barrier_depends(); /* see post_one_send() */
+ if (qp->s_last == ACCESS_ONCE(qp->s_head))
goto bail;
/* If DMAs are in progress, we can't flush immediately. */
- if (atomic_read(&qp->s_dma_busy)) {
- qp->s_flags |= QIB_S_WAIT_DMA;
+ if (atomic_read(&priv->s_dma_busy)) {
+ qp->s_flags |= RVT_S_WAIT_DMA;
goto bail;
}
- wqe = get_swqe_ptr(qp, qp->s_last);
+ wqe = rvt_get_swqe_ptr(qp, qp->s_last);
qib_send_complete(qp, wqe, qp->s_last != qp->s_acked ?
IB_WC_SUCCESS : IB_WC_WR_FLUSH_ERR);
/* will get called again */
goto done;
}
- if (qp->s_flags & (QIB_S_WAIT_RNR | QIB_S_WAIT_ACK))
+ if (qp->s_flags & (RVT_S_WAIT_RNR | RVT_S_WAIT_ACK))
goto bail;
if (qib_cmp24(qp->s_psn, qp->s_sending_hpsn) <= 0) {
if (qib_cmp24(qp->s_sending_psn, qp->s_sending_hpsn) <= 0) {
- qp->s_flags |= QIB_S_WAIT_PSN;
+ qp->s_flags |= RVT_S_WAIT_PSN;
goto bail;
}
qp->s_sending_psn = qp->s_psn;
@@ -294,10 +291,10 @@ int qib_make_rc_req(struct qib_qp *qp)
bth0 = 0;
/* Send a request. */
- wqe = get_swqe_ptr(qp, qp->s_cur);
+ wqe = rvt_get_swqe_ptr(qp, qp->s_cur);
switch (qp->s_state) {
default:
- if (!(ib_qib_state_ops[qp->state] & QIB_PROCESS_NEXT_SEND_OK))
+ if (!(ib_rvt_state_ops[qp->state] & RVT_PROCESS_NEXT_SEND_OK))
goto bail;
/*
* Resend an old request or start a new one.
@@ -317,11 +314,11 @@ int qib_make_rc_req(struct qib_qp *qp)
*/
if ((wqe->wr.send_flags & IB_SEND_FENCE) &&
qp->s_num_rd_atomic) {
- qp->s_flags |= QIB_S_WAIT_FENCE;
+ qp->s_flags |= RVT_S_WAIT_FENCE;
goto bail;
}
- wqe->psn = qp->s_next_psn;
newreq = 1;
+ qp->s_psn = wqe->psn;
}
/*
* Note that we have to be careful not to modify the
@@ -335,14 +332,12 @@ int qib_make_rc_req(struct qib_qp *qp)
case IB_WR_SEND:
case IB_WR_SEND_WITH_IMM:
/* If no credit, return. */
- if (!(qp->s_flags & QIB_S_UNLIMITED_CREDIT) &&
+ if (!(qp->s_flags & RVT_S_UNLIMITED_CREDIT) &&
qib_cmp24(wqe->ssn, qp->s_lsn + 1) > 0) {
- qp->s_flags |= QIB_S_WAIT_SSN_CREDIT;
+ qp->s_flags |= RVT_S_WAIT_SSN_CREDIT;
goto bail;
}
- wqe->lpsn = wqe->psn;
if (len > pmtu) {
- wqe->lpsn += (len - 1) / pmtu;
qp->s_state = OP(SEND_FIRST);
len = pmtu;
break;
@@ -363,14 +358,14 @@ int qib_make_rc_req(struct qib_qp *qp)
break;
case IB_WR_RDMA_WRITE:
- if (newreq && !(qp->s_flags & QIB_S_UNLIMITED_CREDIT))
+ if (newreq && !(qp->s_flags & RVT_S_UNLIMITED_CREDIT))
qp->s_lsn++;
/* FALLTHROUGH */
case IB_WR_RDMA_WRITE_WITH_IMM:
/* If no credit, return. */
- if (!(qp->s_flags & QIB_S_UNLIMITED_CREDIT) &&
+ if (!(qp->s_flags & RVT_S_UNLIMITED_CREDIT) &&
qib_cmp24(wqe->ssn, qp->s_lsn + 1) > 0) {
- qp->s_flags |= QIB_S_WAIT_SSN_CREDIT;
+ qp->s_flags |= RVT_S_WAIT_SSN_CREDIT;
goto bail;
}
@@ -380,9 +375,7 @@ int qib_make_rc_req(struct qib_qp *qp)
cpu_to_be32(wqe->rdma_wr.rkey);
ohdr->u.rc.reth.length = cpu_to_be32(len);
hwords += sizeof(struct ib_reth) / sizeof(u32);
- wqe->lpsn = wqe->psn;
if (len > pmtu) {
- wqe->lpsn += (len - 1) / pmtu;
qp->s_state = OP(RDMA_WRITE_FIRST);
len = pmtu;
break;
@@ -411,19 +404,12 @@ int qib_make_rc_req(struct qib_qp *qp)
if (newreq) {
if (qp->s_num_rd_atomic >=
qp->s_max_rd_atomic) {
- qp->s_flags |= QIB_S_WAIT_RDMAR;
+ qp->s_flags |= RVT_S_WAIT_RDMAR;
goto bail;
}
qp->s_num_rd_atomic++;
- if (!(qp->s_flags & QIB_S_UNLIMITED_CREDIT))
+ if (!(qp->s_flags & RVT_S_UNLIMITED_CREDIT))
qp->s_lsn++;
- /*
- * Adjust s_next_psn to count the
- * expected number of responses.
- */
- if (len > pmtu)
- qp->s_next_psn += (len - 1) / pmtu;
- wqe->lpsn = qp->s_next_psn++;
}
ohdr->u.rc.reth.vaddr =
@@ -449,13 +435,12 @@ int qib_make_rc_req(struct qib_qp *qp)
if (newreq) {
if (qp->s_num_rd_atomic >=
qp->s_max_rd_atomic) {
- qp->s_flags |= QIB_S_WAIT_RDMAR;
+ qp->s_flags |= RVT_S_WAIT_RDMAR;
goto bail;
}
qp->s_num_rd_atomic++;
- if (!(qp->s_flags & QIB_S_UNLIMITED_CREDIT))
+ if (!(qp->s_flags & RVT_S_UNLIMITED_CREDIT))
qp->s_lsn++;
- wqe->lpsn = wqe->psn;
}
if (wqe->atomic_wr.wr.opcode == IB_WR_ATOMIC_CMP_AND_SWP) {
qp->s_state = OP(COMPARE_SWAP);
@@ -498,11 +483,8 @@ int qib_make_rc_req(struct qib_qp *qp)
}
if (wqe->wr.opcode == IB_WR_RDMA_READ)
qp->s_psn = wqe->lpsn + 1;
- else {
+ else
qp->s_psn++;
- if (qib_cmp24(qp->s_psn, qp->s_next_psn) > 0)
- qp->s_next_psn = qp->s_psn;
- }
break;
case OP(RDMA_READ_RESPONSE_FIRST):
@@ -522,8 +504,6 @@ int qib_make_rc_req(struct qib_qp *qp)
/* FALLTHROUGH */
case OP(SEND_MIDDLE):
bth2 = qp->s_psn++ & QIB_PSN_MASK;
- if (qib_cmp24(qp->s_psn, qp->s_next_psn) > 0)
- qp->s_next_psn = qp->s_psn;
ss = &qp->s_sge;
len = qp->s_len;
if (len > pmtu) {
@@ -563,8 +543,6 @@ int qib_make_rc_req(struct qib_qp *qp)
/* FALLTHROUGH */
case OP(RDMA_WRITE_MIDDLE):
bth2 = qp->s_psn++ & QIB_PSN_MASK;
- if (qib_cmp24(qp->s_psn, qp->s_next_psn) > 0)
- qp->s_next_psn = qp->s_psn;
ss = &qp->s_sge;
len = qp->s_len;
if (len > pmtu) {
@@ -618,9 +596,9 @@ int qib_make_rc_req(struct qib_qp *qp)
delta = (((int) bth2 - (int) wqe->psn) << 8) >> 8;
if (delta && delta % QIB_PSN_CREDIT == 0)
bth2 |= IB_BTH_REQ_ACK;
- if (qp->s_flags & QIB_S_SEND_ONE) {
- qp->s_flags &= ~QIB_S_SEND_ONE;
- qp->s_flags |= QIB_S_WAIT_ACK;
+ if (qp->s_flags & RVT_S_SEND_ONE) {
+ qp->s_flags &= ~RVT_S_SEND_ONE;
+ qp->s_flags |= RVT_S_WAIT_ACK;
bth2 |= IB_BTH_REQ_ACK;
}
qp->s_len -= len;
@@ -629,13 +607,9 @@ int qib_make_rc_req(struct qib_qp *qp)
qp->s_cur_size = len;
qib_make_ruc_header(qp, ohdr, bth0 | (qp->s_state << 24), bth2);
done:
- ret = 1;
- goto unlock;
-
+ return 1;
bail:
- qp->s_flags &= ~QIB_S_BUSY;
-unlock:
- spin_unlock_irqrestore(&qp->s_lock, flags);
+ qp->s_flags &= ~RVT_S_BUSY;
return ret;
}
@@ -647,7 +621,7 @@ unlock:
* Note that RDMA reads and atomics are handled in the
* send side QP state and tasklet.
*/
-void qib_send_rc_ack(struct qib_qp *qp)
+void qib_send_rc_ack(struct rvt_qp *qp)
{
struct qib_devdata *dd = dd_from_ibdev(qp->ibqp.device);
struct qib_ibport *ibp = to_iport(qp->ibqp.device, qp->port_num);
@@ -665,11 +639,11 @@ void qib_send_rc_ack(struct qib_qp *qp)
spin_lock_irqsave(&qp->s_lock, flags);
- if (!(ib_qib_state_ops[qp->state] & QIB_PROCESS_RECV_OK))
+ if (!(ib_rvt_state_ops[qp->state] & RVT_PROCESS_RECV_OK))
goto unlock;
/* Don't send ACK or NAK if a RDMA read or atomic is pending. */
- if ((qp->s_flags & QIB_S_RESP_PENDING) || qp->s_rdma_ack_cnt)
+ if ((qp->s_flags & RVT_S_RESP_PENDING) || qp->s_rdma_ack_cnt)
goto queue_ack;
/* Construct the header with s_lock held so APM doesn't change it. */
@@ -758,9 +732,9 @@ void qib_send_rc_ack(struct qib_qp *qp)
goto done;
queue_ack:
- if (ib_qib_state_ops[qp->state] & QIB_PROCESS_RECV_OK) {
- ibp->n_rc_qacks++;
- qp->s_flags |= QIB_S_ACK_PENDING | QIB_S_RESP_PENDING;
+ if (ib_rvt_state_ops[qp->state] & RVT_PROCESS_RECV_OK) {
+ this_cpu_inc(*ibp->rvp.rc_qacks);
+ qp->s_flags |= RVT_S_ACK_PENDING | RVT_S_RESP_PENDING;
qp->s_nak_state = qp->r_nak_state;
qp->s_ack_psn = qp->r_ack_psn;
@@ -782,10 +756,10 @@ done:
* for the given QP.
* Called at interrupt level with the QP s_lock held.
*/
-static void reset_psn(struct qib_qp *qp, u32 psn)
+static void reset_psn(struct rvt_qp *qp, u32 psn)
{
u32 n = qp->s_acked;
- struct qib_swqe *wqe = get_swqe_ptr(qp, n);
+ struct rvt_swqe *wqe = rvt_get_swqe_ptr(qp, n);
u32 opcode;
qp->s_cur = n;
@@ -808,7 +782,7 @@ static void reset_psn(struct qib_qp *qp, u32 psn)
n = 0;
if (n == qp->s_tail)
break;
- wqe = get_swqe_ptr(qp, n);
+ wqe = rvt_get_swqe_ptr(qp, n);
diff = qib_cmp24(psn, wqe->psn);
if (diff < 0)
break;
@@ -854,22 +828,22 @@ static void reset_psn(struct qib_qp *qp, u32 psn)
done:
qp->s_psn = psn;
/*
- * Set QIB_S_WAIT_PSN as qib_rc_complete() may start the timer
+ * Set RVT_S_WAIT_PSN as qib_rc_complete() may start the timer
* asynchronously before the send tasklet can get scheduled.
* Doing it in qib_make_rc_req() is too late.
*/
if ((qib_cmp24(qp->s_psn, qp->s_sending_hpsn) <= 0) &&
(qib_cmp24(qp->s_sending_psn, qp->s_sending_hpsn) <= 0))
- qp->s_flags |= QIB_S_WAIT_PSN;
+ qp->s_flags |= RVT_S_WAIT_PSN;
}
/*
* Back up requester to resend the last un-ACKed request.
* The QP r_lock and s_lock should be held and interrupts disabled.
*/
-static void qib_restart_rc(struct qib_qp *qp, u32 psn, int wait)
+static void qib_restart_rc(struct rvt_qp *qp, u32 psn, int wait)
{
- struct qib_swqe *wqe = get_swqe_ptr(qp, qp->s_acked);
+ struct rvt_swqe *wqe = rvt_get_swqe_ptr(qp, qp->s_acked);
struct qib_ibport *ibp;
if (qp->s_retry == 0) {
@@ -878,7 +852,7 @@ static void qib_restart_rc(struct qib_qp *qp, u32 psn, int wait)
qp->s_retry = qp->s_retry_cnt;
} else if (qp->s_last == qp->s_acked) {
qib_send_complete(qp, wqe, IB_WC_RETRY_EXC_ERR);
- qib_error_qp(qp, IB_WC_WR_FLUSH_ERR);
+ rvt_error_qp(qp, IB_WC_WR_FLUSH_ERR);
return;
} else /* XXX need to handle delayed completion */
return;
@@ -887,15 +861,15 @@ static void qib_restart_rc(struct qib_qp *qp, u32 psn, int wait)
ibp = to_iport(qp->ibqp.device, qp->port_num);
if (wqe->wr.opcode == IB_WR_RDMA_READ)
- ibp->n_rc_resends++;
+ ibp->rvp.n_rc_resends++;
else
- ibp->n_rc_resends += (qp->s_psn - psn) & QIB_PSN_MASK;
+ ibp->rvp.n_rc_resends += (qp->s_psn - psn) & QIB_PSN_MASK;
- qp->s_flags &= ~(QIB_S_WAIT_FENCE | QIB_S_WAIT_RDMAR |
- QIB_S_WAIT_SSN_CREDIT | QIB_S_WAIT_PSN |
- QIB_S_WAIT_ACK);
+ qp->s_flags &= ~(RVT_S_WAIT_FENCE | RVT_S_WAIT_RDMAR |
+ RVT_S_WAIT_SSN_CREDIT | RVT_S_WAIT_PSN |
+ RVT_S_WAIT_ACK);
if (wait)
- qp->s_flags |= QIB_S_SEND_ONE;
+ qp->s_flags |= RVT_S_SEND_ONE;
reset_psn(qp, psn);
}
@@ -904,16 +878,16 @@ static void qib_restart_rc(struct qib_qp *qp, u32 psn, int wait)
*/
static void rc_timeout(unsigned long arg)
{
- struct qib_qp *qp = (struct qib_qp *)arg;
+ struct rvt_qp *qp = (struct rvt_qp *)arg;
struct qib_ibport *ibp;
unsigned long flags;
spin_lock_irqsave(&qp->r_lock, flags);
spin_lock(&qp->s_lock);
- if (qp->s_flags & QIB_S_TIMER) {
+ if (qp->s_flags & RVT_S_TIMER) {
ibp = to_iport(qp->ibqp.device, qp->port_num);
- ibp->n_rc_timeouts++;
- qp->s_flags &= ~QIB_S_TIMER;
+ ibp->rvp.n_rc_timeouts++;
+ qp->s_flags &= ~RVT_S_TIMER;
del_timer(&qp->s_timer);
qib_restart_rc(qp, qp->s_last_psn + 1, 1);
qib_schedule_send(qp);
@@ -927,12 +901,12 @@ static void rc_timeout(unsigned long arg)
*/
void qib_rc_rnr_retry(unsigned long arg)
{
- struct qib_qp *qp = (struct qib_qp *)arg;
+ struct rvt_qp *qp = (struct rvt_qp *)arg;
unsigned long flags;
spin_lock_irqsave(&qp->s_lock, flags);
- if (qp->s_flags & QIB_S_WAIT_RNR) {
- qp->s_flags &= ~QIB_S_WAIT_RNR;
+ if (qp->s_flags & RVT_S_WAIT_RNR) {
+ qp->s_flags &= ~RVT_S_WAIT_RNR;
del_timer(&qp->s_timer);
qib_schedule_send(qp);
}
@@ -943,14 +917,14 @@ void qib_rc_rnr_retry(unsigned long arg)
* Set qp->s_sending_psn to the next PSN after the given one.
* This would be psn+1 except when RDMA reads are present.
*/
-static void reset_sending_psn(struct qib_qp *qp, u32 psn)
+static void reset_sending_psn(struct rvt_qp *qp, u32 psn)
{
- struct qib_swqe *wqe;
+ struct rvt_swqe *wqe;
u32 n = qp->s_last;
/* Find the work request corresponding to the given PSN. */
for (;;) {
- wqe = get_swqe_ptr(qp, n);
+ wqe = rvt_get_swqe_ptr(qp, n);
if (qib_cmp24(psn, wqe->lpsn) <= 0) {
if (wqe->wr.opcode == IB_WR_RDMA_READ)
qp->s_sending_psn = wqe->lpsn + 1;
@@ -968,16 +942,16 @@ static void reset_sending_psn(struct qib_qp *qp, u32 psn)
/*
* This should be called with the QP s_lock held and interrupts disabled.
*/
-void qib_rc_send_complete(struct qib_qp *qp, struct qib_ib_header *hdr)
+void qib_rc_send_complete(struct rvt_qp *qp, struct qib_ib_header *hdr)
{
struct qib_other_headers *ohdr;
- struct qib_swqe *wqe;
+ struct rvt_swqe *wqe;
struct ib_wc wc;
unsigned i;
u32 opcode;
u32 psn;
- if (!(ib_qib_state_ops[qp->state] & QIB_PROCESS_OR_FLUSH_SEND))
+ if (!(ib_rvt_state_ops[qp->state] & RVT_PROCESS_OR_FLUSH_SEND))
return;
/* Find out where the BTH is */
@@ -1002,22 +976,30 @@ void qib_rc_send_complete(struct qib_qp *qp, struct qib_ib_header *hdr)
* there are still requests that haven't been acked.
*/
if ((psn & IB_BTH_REQ_ACK) && qp->s_acked != qp->s_tail &&
- !(qp->s_flags & (QIB_S_TIMER | QIB_S_WAIT_RNR | QIB_S_WAIT_PSN)) &&
- (ib_qib_state_ops[qp->state] & QIB_PROCESS_RECV_OK))
+ !(qp->s_flags & (RVT_S_TIMER | RVT_S_WAIT_RNR | RVT_S_WAIT_PSN)) &&
+ (ib_rvt_state_ops[qp->state] & RVT_PROCESS_RECV_OK))
start_timer(qp);
while (qp->s_last != qp->s_acked) {
- wqe = get_swqe_ptr(qp, qp->s_last);
+ u32 s_last;
+
+ wqe = rvt_get_swqe_ptr(qp, qp->s_last);
if (qib_cmp24(wqe->lpsn, qp->s_sending_psn) >= 0 &&
qib_cmp24(qp->s_sending_psn, qp->s_sending_hpsn) <= 0)
break;
+ s_last = qp->s_last;
+ if (++s_last >= qp->s_size)
+ s_last = 0;
+ qp->s_last = s_last;
+ /* see post_send() */
+ barrier();
for (i = 0; i < wqe->wr.num_sge; i++) {
- struct qib_sge *sge = &wqe->sg_list[i];
+ struct rvt_sge *sge = &wqe->sg_list[i];
- qib_put_mr(sge->mr);
+ rvt_put_mr(sge->mr);
}
/* Post a send completion queue entry if requested. */
- if (!(qp->s_flags & QIB_S_SIGNAL_REQ_WR) ||
+ if (!(qp->s_flags & RVT_S_SIGNAL_REQ_WR) ||
(wqe->wr.send_flags & IB_SEND_SIGNALED)) {
memset(&wc, 0, sizeof(wc));
wc.wr_id = wqe->wr.wr_id;
@@ -1025,25 +1007,23 @@ void qib_rc_send_complete(struct qib_qp *qp, struct qib_ib_header *hdr)
wc.opcode = ib_qib_wc_opcode[wqe->wr.opcode];
wc.byte_len = wqe->length;
wc.qp = &qp->ibqp;
- qib_cq_enter(to_icq(qp->ibqp.send_cq), &wc, 0);
+ rvt_cq_enter(ibcq_to_rvtcq(qp->ibqp.send_cq), &wc, 0);
}
- if (++qp->s_last >= qp->s_size)
- qp->s_last = 0;
}
/*
* If we were waiting for sends to complete before resending,
* and they are now complete, restart sending.
*/
- if (qp->s_flags & QIB_S_WAIT_PSN &&
+ if (qp->s_flags & RVT_S_WAIT_PSN &&
qib_cmp24(qp->s_sending_psn, qp->s_sending_hpsn) > 0) {
- qp->s_flags &= ~QIB_S_WAIT_PSN;
+ qp->s_flags &= ~RVT_S_WAIT_PSN;
qp->s_sending_psn = qp->s_psn;
qp->s_sending_hpsn = qp->s_psn - 1;
qib_schedule_send(qp);
}
}
-static inline void update_last_psn(struct qib_qp *qp, u32 psn)
+static inline void update_last_psn(struct rvt_qp *qp, u32 psn)
{
qp->s_last_psn = psn;
}
@@ -1053,8 +1033,8 @@ static inline void update_last_psn(struct qib_qp *qp, u32 psn)
* This is similar to qib_send_complete but has to check to be sure
* that the SGEs are not being referenced if the SWQE is being resent.
*/
-static struct qib_swqe *do_rc_completion(struct qib_qp *qp,
- struct qib_swqe *wqe,
+static struct rvt_swqe *do_rc_completion(struct rvt_qp *qp,
+ struct rvt_swqe *wqe,
struct qib_ibport *ibp)
{
struct ib_wc wc;
@@ -1067,13 +1047,21 @@ static struct qib_swqe *do_rc_completion(struct qib_qp *qp,
*/
if (qib_cmp24(wqe->lpsn, qp->s_sending_psn) < 0 ||
qib_cmp24(qp->s_sending_psn, qp->s_sending_hpsn) > 0) {
+ u32 s_last;
+
for (i = 0; i < wqe->wr.num_sge; i++) {
- struct qib_sge *sge = &wqe->sg_list[i];
+ struct rvt_sge *sge = &wqe->sg_list[i];
- qib_put_mr(sge->mr);
+ rvt_put_mr(sge->mr);
}
+ s_last = qp->s_last;
+ if (++s_last >= qp->s_size)
+ s_last = 0;
+ qp->s_last = s_last;
+ /* see post_send() */
+ barrier();
/* Post a send completion queue entry if requested. */
- if (!(qp->s_flags & QIB_S_SIGNAL_REQ_WR) ||
+ if (!(qp->s_flags & RVT_S_SIGNAL_REQ_WR) ||
(wqe->wr.send_flags & IB_SEND_SIGNALED)) {
memset(&wc, 0, sizeof(wc));
wc.wr_id = wqe->wr.wr_id;
@@ -1081,12 +1069,10 @@ static struct qib_swqe *do_rc_completion(struct qib_qp *qp,
wc.opcode = ib_qib_wc_opcode[wqe->wr.opcode];
wc.byte_len = wqe->length;
wc.qp = &qp->ibqp;
- qib_cq_enter(to_icq(qp->ibqp.send_cq), &wc, 0);
+ rvt_cq_enter(ibcq_to_rvtcq(qp->ibqp.send_cq), &wc, 0);
}
- if (++qp->s_last >= qp->s_size)
- qp->s_last = 0;
} else
- ibp->n_rc_delayed_comp++;
+ this_cpu_inc(*ibp->rvp.rc_delayed_comp);
qp->s_retry = qp->s_retry_cnt;
update_last_psn(qp, wqe->lpsn);
@@ -1100,7 +1086,7 @@ static struct qib_swqe *do_rc_completion(struct qib_qp *qp,
if (++qp->s_cur >= qp->s_size)
qp->s_cur = 0;
qp->s_acked = qp->s_cur;
- wqe = get_swqe_ptr(qp, qp->s_cur);
+ wqe = rvt_get_swqe_ptr(qp, qp->s_cur);
if (qp->s_acked != qp->s_tail) {
qp->s_state = OP(SEND_LAST);
qp->s_psn = wqe->psn;
@@ -1110,7 +1096,7 @@ static struct qib_swqe *do_rc_completion(struct qib_qp *qp,
qp->s_acked = 0;
if (qp->state == IB_QPS_SQD && qp->s_acked == qp->s_cur)
qp->s_draining = 0;
- wqe = get_swqe_ptr(qp, qp->s_acked);
+ wqe = rvt_get_swqe_ptr(qp, qp->s_acked);
}
return wqe;
}
@@ -1126,19 +1112,19 @@ static struct qib_swqe *do_rc_completion(struct qib_qp *qp,
* Called at interrupt level with the QP s_lock held.
* Returns 1 if OK, 0 if current operation should be aborted (NAK).
*/
-static int do_rc_ack(struct qib_qp *qp, u32 aeth, u32 psn, int opcode,
+static int do_rc_ack(struct rvt_qp *qp, u32 aeth, u32 psn, int opcode,
u64 val, struct qib_ctxtdata *rcd)
{
struct qib_ibport *ibp;
enum ib_wc_status status;
- struct qib_swqe *wqe;
+ struct rvt_swqe *wqe;
int ret = 0;
u32 ack_psn;
int diff;
/* Remove QP from retry timer */
- if (qp->s_flags & (QIB_S_TIMER | QIB_S_WAIT_RNR)) {
- qp->s_flags &= ~(QIB_S_TIMER | QIB_S_WAIT_RNR);
+ if (qp->s_flags & (RVT_S_TIMER | RVT_S_WAIT_RNR)) {
+ qp->s_flags &= ~(RVT_S_TIMER | RVT_S_WAIT_RNR);
del_timer(&qp->s_timer);
}
@@ -1151,7 +1137,7 @@ static int do_rc_ack(struct qib_qp *qp, u32 aeth, u32 psn, int opcode,
ack_psn = psn;
if (aeth >> 29)
ack_psn--;
- wqe = get_swqe_ptr(qp, qp->s_acked);
+ wqe = rvt_get_swqe_ptr(qp, qp->s_acked);
ibp = to_iport(qp->ibqp.device, qp->port_num);
/*
@@ -1186,11 +1172,11 @@ static int do_rc_ack(struct qib_qp *qp, u32 aeth, u32 psn, int opcode,
wqe->wr.opcode == IB_WR_ATOMIC_FETCH_AND_ADD) &&
(opcode != OP(ATOMIC_ACKNOWLEDGE) || diff != 0))) {
/* Retry this request. */
- if (!(qp->r_flags & QIB_R_RDMAR_SEQ)) {
- qp->r_flags |= QIB_R_RDMAR_SEQ;
+ if (!(qp->r_flags & RVT_R_RDMAR_SEQ)) {
+ qp->r_flags |= RVT_R_RDMAR_SEQ;
qib_restart_rc(qp, qp->s_last_psn + 1, 0);
if (list_empty(&qp->rspwait)) {
- qp->r_flags |= QIB_R_RSP_SEND;
+ qp->r_flags |= RVT_R_RSP_SEND;
atomic_inc(&qp->refcount);
list_add_tail(&qp->rspwait,
&rcd->qp_wait_list);
@@ -1213,14 +1199,14 @@ static int do_rc_ack(struct qib_qp *qp, u32 aeth, u32 psn, int opcode,
wqe->wr.opcode == IB_WR_ATOMIC_FETCH_AND_ADD)) {
qp->s_num_rd_atomic--;
/* Restart sending task if fence is complete */
- if ((qp->s_flags & QIB_S_WAIT_FENCE) &&
+ if ((qp->s_flags & RVT_S_WAIT_FENCE) &&
!qp->s_num_rd_atomic) {
- qp->s_flags &= ~(QIB_S_WAIT_FENCE |
- QIB_S_WAIT_ACK);
+ qp->s_flags &= ~(RVT_S_WAIT_FENCE |
+ RVT_S_WAIT_ACK);
qib_schedule_send(qp);
- } else if (qp->s_flags & QIB_S_WAIT_RDMAR) {
- qp->s_flags &= ~(QIB_S_WAIT_RDMAR |
- QIB_S_WAIT_ACK);
+ } else if (qp->s_flags & RVT_S_WAIT_RDMAR) {
+ qp->s_flags &= ~(RVT_S_WAIT_RDMAR |
+ RVT_S_WAIT_ACK);
qib_schedule_send(qp);
}
}
@@ -1231,7 +1217,7 @@ static int do_rc_ack(struct qib_qp *qp, u32 aeth, u32 psn, int opcode,
switch (aeth >> 29) {
case 0: /* ACK */
- ibp->n_rc_acks++;
+ this_cpu_inc(*ibp->rvp.rc_acks);
if (qp->s_acked != qp->s_tail) {
/*
* We are expecting more ACKs so
@@ -1248,8 +1234,8 @@ static int do_rc_ack(struct qib_qp *qp, u32 aeth, u32 psn, int opcode,
qp->s_state = OP(SEND_LAST);
qp->s_psn = psn + 1;
}
- if (qp->s_flags & QIB_S_WAIT_ACK) {
- qp->s_flags &= ~QIB_S_WAIT_ACK;
+ if (qp->s_flags & RVT_S_WAIT_ACK) {
+ qp->s_flags &= ~RVT_S_WAIT_ACK;
qib_schedule_send(qp);
}
qib_get_credit(qp, aeth);
@@ -1260,10 +1246,10 @@ static int do_rc_ack(struct qib_qp *qp, u32 aeth, u32 psn, int opcode,
goto bail;
case 1: /* RNR NAK */
- ibp->n_rnr_naks++;
+ ibp->rvp.n_rnr_naks++;
if (qp->s_acked == qp->s_tail)
goto bail;
- if (qp->s_flags & QIB_S_WAIT_RNR)
+ if (qp->s_flags & RVT_S_WAIT_RNR)
goto bail;
if (qp->s_rnr_retry == 0) {
status = IB_WC_RNR_RETRY_EXC_ERR;
@@ -1275,12 +1261,12 @@ static int do_rc_ack(struct qib_qp *qp, u32 aeth, u32 psn, int opcode,
/* The last valid PSN is the previous PSN. */
update_last_psn(qp, psn - 1);
- ibp->n_rc_resends += (qp->s_psn - psn) & QIB_PSN_MASK;
+ ibp->rvp.n_rc_resends += (qp->s_psn - psn) & QIB_PSN_MASK;
reset_psn(qp, psn);
- qp->s_flags &= ~(QIB_S_WAIT_SSN_CREDIT | QIB_S_WAIT_ACK);
- qp->s_flags |= QIB_S_WAIT_RNR;
+ qp->s_flags &= ~(RVT_S_WAIT_SSN_CREDIT | RVT_S_WAIT_ACK);
+ qp->s_flags |= RVT_S_WAIT_RNR;
qp->s_timer.function = qib_rc_rnr_retry;
qp->s_timer.expires = jiffies + usecs_to_jiffies(
ib_qib_rnr_table[(aeth >> QIB_AETH_CREDIT_SHIFT) &
@@ -1296,7 +1282,7 @@ static int do_rc_ack(struct qib_qp *qp, u32 aeth, u32 psn, int opcode,
switch ((aeth >> QIB_AETH_CREDIT_SHIFT) &
QIB_AETH_CREDIT_MASK) {
case 0: /* PSN sequence error */
- ibp->n_seq_naks++;
+ ibp->rvp.n_seq_naks++;
/*
* Back up to the responder's expected PSN.
* Note that we might get a NAK in the middle of an
@@ -1309,21 +1295,21 @@ static int do_rc_ack(struct qib_qp *qp, u32 aeth, u32 psn, int opcode,
case 1: /* Invalid Request */
status = IB_WC_REM_INV_REQ_ERR;
- ibp->n_other_naks++;
+ ibp->rvp.n_other_naks++;
goto class_b;
case 2: /* Remote Access Error */
status = IB_WC_REM_ACCESS_ERR;
- ibp->n_other_naks++;
+ ibp->rvp.n_other_naks++;
goto class_b;
case 3: /* Remote Operation Error */
status = IB_WC_REM_OP_ERR;
- ibp->n_other_naks++;
+ ibp->rvp.n_other_naks++;
class_b:
if (qp->s_last == qp->s_acked) {
qib_send_complete(qp, wqe, status);
- qib_error_qp(qp, IB_WC_WR_FLUSH_ERR);
+ rvt_error_qp(qp, IB_WC_WR_FLUSH_ERR);
}
break;
@@ -1349,18 +1335,18 @@ bail:
* We have seen an out of sequence RDMA read middle or last packet.
* This ACKs SENDs and RDMA writes up to the first RDMA read or atomic SWQE.
*/
-static void rdma_seq_err(struct qib_qp *qp, struct qib_ibport *ibp, u32 psn,
+static void rdma_seq_err(struct rvt_qp *qp, struct qib_ibport *ibp, u32 psn,
struct qib_ctxtdata *rcd)
{
- struct qib_swqe *wqe;
+ struct rvt_swqe *wqe;
/* Remove QP from retry timer */
- if (qp->s_flags & (QIB_S_TIMER | QIB_S_WAIT_RNR)) {
- qp->s_flags &= ~(QIB_S_TIMER | QIB_S_WAIT_RNR);
+ if (qp->s_flags & (RVT_S_TIMER | RVT_S_WAIT_RNR)) {
+ qp->s_flags &= ~(RVT_S_TIMER | RVT_S_WAIT_RNR);
del_timer(&qp->s_timer);
}
- wqe = get_swqe_ptr(qp, qp->s_acked);
+ wqe = rvt_get_swqe_ptr(qp, qp->s_acked);
while (qib_cmp24(psn, wqe->lpsn) > 0) {
if (wqe->wr.opcode == IB_WR_RDMA_READ ||
@@ -1370,11 +1356,11 @@ static void rdma_seq_err(struct qib_qp *qp, struct qib_ibport *ibp, u32 psn,
wqe = do_rc_completion(qp, wqe, ibp);
}
- ibp->n_rdma_seq++;
- qp->r_flags |= QIB_R_RDMAR_SEQ;
+ ibp->rvp.n_rdma_seq++;
+ qp->r_flags |= RVT_R_RDMAR_SEQ;
qib_restart_rc(qp, qp->s_last_psn + 1, 0);
if (list_empty(&qp->rspwait)) {
- qp->r_flags |= QIB_R_RSP_SEND;
+ qp->r_flags |= RVT_R_RSP_SEND;
atomic_inc(&qp->refcount);
list_add_tail(&qp->rspwait, &rcd->qp_wait_list);
}
@@ -1399,12 +1385,12 @@ static void rdma_seq_err(struct qib_qp *qp, struct qib_ibport *ibp, u32 psn,
static void qib_rc_rcv_resp(struct qib_ibport *ibp,
struct qib_other_headers *ohdr,
void *data, u32 tlen,
- struct qib_qp *qp,
+ struct rvt_qp *qp,
u32 opcode,
u32 psn, u32 hdrsize, u32 pmtu,
struct qib_ctxtdata *rcd)
{
- struct qib_swqe *wqe;
+ struct rvt_swqe *wqe;
struct qib_pportdata *ppd = ppd_from_ibp(ibp);
enum ib_wc_status status;
unsigned long flags;
@@ -1425,7 +1411,7 @@ static void qib_rc_rcv_resp(struct qib_ibport *ibp,
* If send tasklet not running attempt to progress
* SDMA queue.
*/
- if (!(qp->s_flags & QIB_S_BUSY)) {
+ if (!(qp->s_flags & RVT_S_BUSY)) {
/* Acquire SDMA Lock */
spin_lock_irqsave(&ppd->sdma_lock, flags);
/* Invoke sdma make progress */
@@ -1437,11 +1423,12 @@ static void qib_rc_rcv_resp(struct qib_ibport *ibp,
}
spin_lock_irqsave(&qp->s_lock, flags);
- if (!(ib_qib_state_ops[qp->state] & QIB_PROCESS_RECV_OK))
+ if (!(ib_rvt_state_ops[qp->state] & RVT_PROCESS_RECV_OK))
goto ack_done;
/* Ignore invalid responses. */
- if (qib_cmp24(psn, qp->s_next_psn) >= 0)
+ smp_read_barrier_depends(); /* see post_one_send */
+ if (qib_cmp24(psn, ACCESS_ONCE(qp->s_next_psn)) >= 0)
goto ack_done;
/* Ignore duplicate responses. */
@@ -1460,15 +1447,15 @@ static void qib_rc_rcv_resp(struct qib_ibport *ibp,
* Skip everything other than the PSN we expect, if we are waiting
* for a reply to a restarted RDMA read or atomic op.
*/
- if (qp->r_flags & QIB_R_RDMAR_SEQ) {
+ if (qp->r_flags & RVT_R_RDMAR_SEQ) {
if (qib_cmp24(psn, qp->s_last_psn + 1) != 0)
goto ack_done;
- qp->r_flags &= ~QIB_R_RDMAR_SEQ;
+ qp->r_flags &= ~RVT_R_RDMAR_SEQ;
}
if (unlikely(qp->s_acked == qp->s_tail))
goto ack_done;
- wqe = get_swqe_ptr(qp, qp->s_acked);
+ wqe = rvt_get_swqe_ptr(qp, qp->s_acked);
status = IB_WC_SUCCESS;
switch (opcode) {
@@ -1487,7 +1474,7 @@ static void qib_rc_rcv_resp(struct qib_ibport *ibp,
opcode != OP(RDMA_READ_RESPONSE_FIRST))
goto ack_done;
hdrsize += 4;
- wqe = get_swqe_ptr(qp, qp->s_acked);
+ wqe = rvt_get_swqe_ptr(qp, qp->s_acked);
if (unlikely(wqe->wr.opcode != IB_WR_RDMA_READ))
goto ack_op_err;
/*
@@ -1515,10 +1502,10 @@ read_middle:
* We got a response so update the timeout.
* 4.096 usec. * (1 << qp->timeout)
*/
- qp->s_flags |= QIB_S_TIMER;
+ qp->s_flags |= RVT_S_TIMER;
mod_timer(&qp->s_timer, jiffies + qp->timeout_jiffies);
- if (qp->s_flags & QIB_S_WAIT_ACK) {
- qp->s_flags &= ~QIB_S_WAIT_ACK;
+ if (qp->s_flags & RVT_S_WAIT_ACK) {
+ qp->s_flags &= ~RVT_S_WAIT_ACK;
qib_schedule_send(qp);
}
@@ -1553,7 +1540,7 @@ read_middle:
* have to be careful to copy the data to the right
* location.
*/
- wqe = get_swqe_ptr(qp, qp->s_acked);
+ wqe = rvt_get_swqe_ptr(qp, qp->s_acked);
qp->s_rdma_read_len = restart_sge(&qp->s_rdma_read_sge,
wqe, psn, pmtu);
goto read_last;
@@ -1598,7 +1585,7 @@ ack_len_err:
ack_err:
if (qp->s_last == qp->s_acked) {
qib_send_complete(qp, wqe, status);
- qib_error_qp(qp, IB_WC_WR_FLUSH_ERR);
+ rvt_error_qp(qp, IB_WC_WR_FLUSH_ERR);
}
ack_done:
spin_unlock_irqrestore(&qp->s_lock, flags);
@@ -1623,14 +1610,14 @@ bail:
*/
static int qib_rc_rcv_error(struct qib_other_headers *ohdr,
void *data,
- struct qib_qp *qp,
+ struct rvt_qp *qp,
u32 opcode,
u32 psn,
int diff,
struct qib_ctxtdata *rcd)
{
struct qib_ibport *ibp = to_iport(qp->ibqp.device, qp->port_num);
- struct qib_ack_entry *e;
+ struct rvt_ack_entry *e;
unsigned long flags;
u8 i, prev;
int old_req;
@@ -1642,7 +1629,7 @@ static int qib_rc_rcv_error(struct qib_other_headers *ohdr,
* Don't queue the NAK if we already sent one.
*/
if (!qp->r_nak_state) {
- ibp->n_rc_seqnak++;
+ ibp->rvp.n_rc_seqnak++;
qp->r_nak_state = IB_NAK_PSN_ERROR;
/* Use the expected PSN. */
qp->r_ack_psn = qp->r_psn;
@@ -1652,7 +1639,7 @@ static int qib_rc_rcv_error(struct qib_other_headers *ohdr,
* Otherwise, we end up propagating congestion.
*/
if (list_empty(&qp->rspwait)) {
- qp->r_flags |= QIB_R_RSP_NAK;
+ qp->r_flags |= RVT_R_RSP_NAK;
atomic_inc(&qp->refcount);
list_add_tail(&qp->rspwait, &rcd->qp_wait_list);
}
@@ -1678,7 +1665,7 @@ static int qib_rc_rcv_error(struct qib_other_headers *ohdr,
*/
e = NULL;
old_req = 1;
- ibp->n_rc_dupreq++;
+ ibp->rvp.n_rc_dupreq++;
spin_lock_irqsave(&qp->s_lock, flags);
@@ -1732,7 +1719,7 @@ static int qib_rc_rcv_error(struct qib_other_headers *ohdr,
if (unlikely(offset + len != e->rdma_sge.sge_length))
goto unlock_done;
if (e->rdma_sge.mr) {
- qib_put_mr(e->rdma_sge.mr);
+ rvt_put_mr(e->rdma_sge.mr);
e->rdma_sge.mr = NULL;
}
if (len != 0) {
@@ -1740,7 +1727,7 @@ static int qib_rc_rcv_error(struct qib_other_headers *ohdr,
u64 vaddr = be64_to_cpu(reth->vaddr);
int ok;
- ok = qib_rkey_ok(qp, &e->rdma_sge, len, vaddr, rkey,
+ ok = rvt_rkey_ok(qp, &e->rdma_sge, len, vaddr, rkey,
IB_ACCESS_REMOTE_READ);
if (unlikely(!ok))
goto unlock_done;
@@ -1791,7 +1778,7 @@ static int qib_rc_rcv_error(struct qib_other_headers *ohdr,
* which doesn't accept a RDMA read response or atomic
* response as an ACK for earlier SENDs or RDMA writes.
*/
- if (!(qp->s_flags & QIB_S_RESP_PENDING)) {
+ if (!(qp->s_flags & RVT_S_RESP_PENDING)) {
spin_unlock_irqrestore(&qp->s_lock, flags);
qp->r_nak_state = 0;
qp->r_ack_psn = qp->s_ack_queue[i].psn - 1;
@@ -1805,7 +1792,7 @@ static int qib_rc_rcv_error(struct qib_other_headers *ohdr,
break;
}
qp->s_ack_state = OP(ACKNOWLEDGE);
- qp->s_flags |= QIB_S_RESP_PENDING;
+ qp->s_flags |= RVT_S_RESP_PENDING;
qp->r_nak_state = 0;
qib_schedule_send(qp);
@@ -1818,13 +1805,13 @@ send_ack:
return 0;
}
-void qib_rc_error(struct qib_qp *qp, enum ib_wc_status err)
+void qib_rc_error(struct rvt_qp *qp, enum ib_wc_status err)
{
unsigned long flags;
int lastwqe;
spin_lock_irqsave(&qp->s_lock, flags);
- lastwqe = qib_error_qp(qp, err);
+ lastwqe = rvt_error_qp(qp, err);
spin_unlock_irqrestore(&qp->s_lock, flags);
if (lastwqe) {
@@ -1837,7 +1824,7 @@ void qib_rc_error(struct qib_qp *qp, enum ib_wc_status err)
}
}
-static inline void qib_update_ack_queue(struct qib_qp *qp, unsigned n)
+static inline void qib_update_ack_queue(struct rvt_qp *qp, unsigned n)
{
unsigned next;
@@ -1862,7 +1849,7 @@ static inline void qib_update_ack_queue(struct qib_qp *qp, unsigned n)
* Called at interrupt level.
*/
void qib_rc_rcv(struct qib_ctxtdata *rcd, struct qib_ib_header *hdr,
- int has_grh, void *data, u32 tlen, struct qib_qp *qp)
+ int has_grh, void *data, u32 tlen, struct rvt_qp *qp)
{
struct qib_ibport *ibp = &rcd->ppd->ibport_data;
struct qib_other_headers *ohdr;
@@ -1948,8 +1935,8 @@ void qib_rc_rcv(struct qib_ctxtdata *rcd, struct qib_ib_header *hdr,
break;
}
- if (qp->state == IB_QPS_RTR && !(qp->r_flags & QIB_R_COMM_EST)) {
- qp->r_flags |= QIB_R_COMM_EST;
+ if (qp->state == IB_QPS_RTR && !(qp->r_flags & RVT_R_COMM_EST)) {
+ qp->r_flags |= RVT_R_COMM_EST;
if (qp->ibqp.event_handler) {
struct ib_event ev;
@@ -2026,9 +2013,9 @@ send_last:
if (unlikely(wc.byte_len > qp->r_len))
goto nack_inv;
qib_copy_sge(&qp->r_sge, data, tlen, 1);
- qib_put_ss(&qp->r_sge);
+ rvt_put_ss(&qp->r_sge);
qp->r_msn++;
- if (!test_and_clear_bit(QIB_R_WRID_VALID, &qp->r_aflags))
+ if (!test_and_clear_bit(RVT_R_WRID_VALID, &qp->r_aflags))
break;
wc.wr_id = qp->r_wr_id;
wc.status = IB_WC_SUCCESS;
@@ -2047,7 +2034,7 @@ send_last:
wc.dlid_path_bits = 0;
wc.port_num = 0;
/* Signal completion event if the solicited bit is set. */
- qib_cq_enter(to_icq(qp->ibqp.recv_cq), &wc,
+ rvt_cq_enter(ibcq_to_rvtcq(qp->ibqp.recv_cq), &wc,
(ohdr->bth[0] &
cpu_to_be32(IB_BTH_SOLICITED)) != 0);
break;
@@ -2069,7 +2056,7 @@ send_last:
int ok;
/* Check rkey & NAK */
- ok = qib_rkey_ok(qp, &qp->r_sge.sge, qp->r_len, vaddr,
+ ok = rvt_rkey_ok(qp, &qp->r_sge.sge, qp->r_len, vaddr,
rkey, IB_ACCESS_REMOTE_WRITE);
if (unlikely(!ok))
goto nack_acc;
@@ -2096,7 +2083,7 @@ send_last:
goto send_last;
case OP(RDMA_READ_REQUEST): {
- struct qib_ack_entry *e;
+ struct rvt_ack_entry *e;
u32 len;
u8 next;
@@ -2114,7 +2101,7 @@ send_last:
}
e = &qp->s_ack_queue[qp->r_head_ack_queue];
if (e->opcode == OP(RDMA_READ_REQUEST) && e->rdma_sge.mr) {
- qib_put_mr(e->rdma_sge.mr);
+ rvt_put_mr(e->rdma_sge.mr);
e->rdma_sge.mr = NULL;
}
reth = &ohdr->u.rc.reth;
@@ -2125,7 +2112,7 @@ send_last:
int ok;
/* Check rkey & NAK */
- ok = qib_rkey_ok(qp, &e->rdma_sge, len, vaddr,
+ ok = rvt_rkey_ok(qp, &e->rdma_sge, len, vaddr,
rkey, IB_ACCESS_REMOTE_READ);
if (unlikely(!ok))
goto nack_acc_unlck;
@@ -2157,7 +2144,7 @@ send_last:
qp->r_head_ack_queue = next;
/* Schedule the send tasklet. */
- qp->s_flags |= QIB_S_RESP_PENDING;
+ qp->s_flags |= RVT_S_RESP_PENDING;
qib_schedule_send(qp);
goto sunlock;
@@ -2166,7 +2153,7 @@ send_last:
case OP(COMPARE_SWAP):
case OP(FETCH_ADD): {
struct ib_atomic_eth *ateth;
- struct qib_ack_entry *e;
+ struct rvt_ack_entry *e;
u64 vaddr;
atomic64_t *maddr;
u64 sdata;
@@ -2186,7 +2173,7 @@ send_last:
}
e = &qp->s_ack_queue[qp->r_head_ack_queue];
if (e->opcode == OP(RDMA_READ_REQUEST) && e->rdma_sge.mr) {
- qib_put_mr(e->rdma_sge.mr);
+ rvt_put_mr(e->rdma_sge.mr);
e->rdma_sge.mr = NULL;
}
ateth = &ohdr->u.atomic_eth;
@@ -2196,7 +2183,7 @@ send_last:
goto nack_inv_unlck;
rkey = be32_to_cpu(ateth->rkey);
/* Check rkey & NAK */
- if (unlikely(!qib_rkey_ok(qp, &qp->r_sge.sge, sizeof(u64),
+ if (unlikely(!rvt_rkey_ok(qp, &qp->r_sge.sge, sizeof(u64),
vaddr, rkey,
IB_ACCESS_REMOTE_ATOMIC)))
goto nack_acc_unlck;
@@ -2208,7 +2195,7 @@ send_last:
(u64) cmpxchg((u64 *) qp->r_sge.sge.vaddr,
be64_to_cpu(ateth->compare_data),
sdata);
- qib_put_mr(qp->r_sge.sge.mr);
+ rvt_put_mr(qp->r_sge.sge.mr);
qp->r_sge.num_sge = 0;
e->opcode = opcode;
e->sent = 0;
@@ -2221,7 +2208,7 @@ send_last:
qp->r_head_ack_queue = next;
/* Schedule the send tasklet. */
- qp->s_flags |= QIB_S_RESP_PENDING;
+ qp->s_flags |= RVT_S_RESP_PENDING;
qib_schedule_send(qp);
goto sunlock;
@@ -2245,7 +2232,7 @@ rnr_nak:
qp->r_ack_psn = qp->r_psn;
/* Queue RNR NAK for later */
if (list_empty(&qp->rspwait)) {
- qp->r_flags |= QIB_R_RSP_NAK;
+ qp->r_flags |= RVT_R_RSP_NAK;
atomic_inc(&qp->refcount);
list_add_tail(&qp->rspwait, &rcd->qp_wait_list);
}
@@ -2257,7 +2244,7 @@ nack_op_err:
qp->r_ack_psn = qp->r_psn;
/* Queue NAK for later */
if (list_empty(&qp->rspwait)) {
- qp->r_flags |= QIB_R_RSP_NAK;
+ qp->r_flags |= RVT_R_RSP_NAK;
atomic_inc(&qp->refcount);
list_add_tail(&qp->rspwait, &rcd->qp_wait_list);
}
@@ -2271,7 +2258,7 @@ nack_inv:
qp->r_ack_psn = qp->r_psn;
/* Queue NAK for later */
if (list_empty(&qp->rspwait)) {
- qp->r_flags |= QIB_R_RSP_NAK;
+ qp->r_flags |= RVT_R_RSP_NAK;
atomic_inc(&qp->refcount);
list_add_tail(&qp->rspwait, &rcd->qp_wait_list);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-28 01:01:26 +0000