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authorLinus Torvalds <torvalds@linux-foundation.org>2011-01-11 16:30:08 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-11 16:30:08 -0800
commitf1d6d6cd9029daa7e7d4a0b14347b5392320f22a (patch)
tree673e1940d385cfc625ed7583b54117ca97216734 /drivers/infiniband/hw
parentb9d919a4ac6cf031b8e065f82ad8f1b0c9ed74b1 (diff)
parent2b76c05794e66655e10633d2d78287854c991f63 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (42 commits) IB/qib: Fix refcount leak in lkey/rkey validation IB/qib: Improve SERDES tunning on QMH boards IB/qib: Unnecessary delayed completions on RC connection IB/qib: Issue pre-emptive NAKs on eager buffer overflow IB/qib: RDMA lkey/rkey validation is inefficient for large MRs IB/qib: Change QPN increment IB/qib: Add fix missing from earlier patch IB/qib: Change receive queue/QPN selection IB/qib: Fix interrupt mitigation IB/qib: Avoid duplicate writes to the rcv head register IB/qib: Add a few new SERDES tunings IB/qib: Reset packet list after freeing IB/qib: New SERDES init routine and improvements to SI quality IB/qib: Clear WAIT_SEND flags when setting QP to error state IB/qib: Fix context allocation with multiple HCAs IB/qib: Fix multi-Florida HCA host panic on reboot IB/qib: Handle transitions from ACTIVE_DEFERRED to ACTIVE better IB/qib: UD send with immediate receive completion has wrong size IB/qib: Set port physical state even if other fields are invalid IB/qib: Generate completion callback on errors ...
Diffstat (limited to 'drivers/infiniband/hw')
-rw-r--r--drivers/infiniband/hw/cxgb3/cxio_hal.c2
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_provider.h2
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_qp.c56
-rw-r--r--drivers/infiniband/hw/cxgb4/iw_cxgb4.h1
-rw-r--r--drivers/infiniband/hw/cxgb4/qp.c32
-rw-r--r--drivers/infiniband/hw/ipath/ipath_driver.c5
-rw-r--r--drivers/infiniband/hw/mlx4/cq.c9
-rw-r--r--drivers/infiniband/hw/mlx4/mad.c2
-rw-r--r--drivers/infiniband/hw/mthca/mthca_mad.c2
-rw-r--r--drivers/infiniband/hw/nes/nes_nic.c4
-rw-r--r--drivers/infiniband/hw/qib/qib.h2
-rw-r--r--drivers/infiniband/hw/qib/qib_cq.c3
-rw-r--r--drivers/infiniband/hw/qib/qib_driver.c155
-rw-r--r--drivers/infiniband/hw/qib/qib_file_ops.c10
-rw-r--r--drivers/infiniband/hw/qib/qib_iba6120.c2
-rw-r--r--drivers/infiniband/hw/qib/qib_iba7220.c4
-rw-r--r--drivers/infiniband/hw/qib/qib_iba7322.c373
-rw-r--r--drivers/infiniband/hw/qib/qib_init.c6
-rw-r--r--drivers/infiniband/hw/qib/qib_intr.c3
-rw-r--r--drivers/infiniband/hw/qib/qib_keys.c80
-rw-r--r--drivers/infiniband/hw/qib/qib_mad.c45
-rw-r--r--drivers/infiniband/hw/qib/qib_mr.c8
-rw-r--r--drivers/infiniband/hw/qib/qib_qp.c32
-rw-r--r--drivers/infiniband/hw/qib/qib_rc.c24
-rw-r--r--drivers/infiniband/hw/qib/qib_ud.c57
-rw-r--r--drivers/infiniband/hw/qib/qib_user_sdma.c1
-rw-r--r--drivers/infiniband/hw/qib/qib_verbs.h11
27 files changed, 676 insertions, 255 deletions
diff --git a/drivers/infiniband/hw/cxgb3/cxio_hal.c b/drivers/infiniband/hw/cxgb3/cxio_hal.c
index 09dda0b8740e..c3f5aca4ef00 100644
--- a/drivers/infiniband/hw/cxgb3/cxio_hal.c
+++ b/drivers/infiniband/hw/cxgb3/cxio_hal.c
@@ -189,6 +189,7 @@ int cxio_create_cq(struct cxio_rdev *rdev_p, struct t3_cq *cq, int kernel)
return (rdev_p->t3cdev_p->ctl(rdev_p->t3cdev_p, RDMA_CQ_SETUP, &setup));
}
+#ifdef notyet
int cxio_resize_cq(struct cxio_rdev *rdev_p, struct t3_cq *cq)
{
struct rdma_cq_setup setup;
@@ -200,6 +201,7 @@ int cxio_resize_cq(struct cxio_rdev *rdev_p, struct t3_cq *cq)
setup.ovfl_mode = 1;
return (rdev_p->t3cdev_p->ctl(rdev_p->t3cdev_p, RDMA_CQ_SETUP, &setup));
}
+#endif
static u32 get_qpid(struct cxio_rdev *rdev_p, struct cxio_ucontext *uctx)
{
diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.h b/drivers/infiniband/hw/cxgb3/iwch_provider.h
index a237d49bdcc9..c5406da3f4cd 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_provider.h
+++ b/drivers/infiniband/hw/cxgb3/iwch_provider.h
@@ -335,8 +335,6 @@ int iwch_post_terminate(struct iwch_qp *qhp, struct respQ_msg_t *rsp_msg);
int iwch_post_zb_read(struct iwch_qp *qhp);
int iwch_register_device(struct iwch_dev *dev);
void iwch_unregister_device(struct iwch_dev *dev);
-int iwch_quiesce_qps(struct iwch_cq *chp);
-int iwch_resume_qps(struct iwch_cq *chp);
void stop_read_rep_timer(struct iwch_qp *qhp);
int iwch_register_mem(struct iwch_dev *rhp, struct iwch_pd *php,
struct iwch_mr *mhp, int shift);
diff --git a/drivers/infiniband/hw/cxgb3/iwch_qp.c b/drivers/infiniband/hw/cxgb3/iwch_qp.c
index 0993137181d7..1b4cd09f74dc 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_qp.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_qp.c
@@ -1149,59 +1149,3 @@ out:
PDBG("%s exit state %d\n", __func__, qhp->attr.state);
return ret;
}
-
-static int quiesce_qp(struct iwch_qp *qhp)
-{
- spin_lock_irq(&qhp->lock);
- iwch_quiesce_tid(qhp->ep);
- qhp->flags |= QP_QUIESCED;
- spin_unlock_irq(&qhp->lock);
- return 0;
-}
-
-static int resume_qp(struct iwch_qp *qhp)
-{
- spin_lock_irq(&qhp->lock);
- iwch_resume_tid(qhp->ep);
- qhp->flags &= ~QP_QUIESCED;
- spin_unlock_irq(&qhp->lock);
- return 0;
-}
-
-int iwch_quiesce_qps(struct iwch_cq *chp)
-{
- int i;
- struct iwch_qp *qhp;
-
- for (i=0; i < T3_MAX_NUM_QP; i++) {
- qhp = get_qhp(chp->rhp, i);
- if (!qhp)
- continue;
- if ((qhp->attr.rcq == chp->cq.cqid) && !qp_quiesced(qhp)) {
- quiesce_qp(qhp);
- continue;
- }
- if ((qhp->attr.scq == chp->cq.cqid) && !qp_quiesced(qhp))
- quiesce_qp(qhp);
- }
- return 0;
-}
-
-int iwch_resume_qps(struct iwch_cq *chp)
-{
- int i;
- struct iwch_qp *qhp;
-
- for (i=0; i < T3_MAX_NUM_QP; i++) {
- qhp = get_qhp(chp->rhp, i);
- if (!qhp)
- continue;
- if ((qhp->attr.rcq == chp->cq.cqid) && qp_quiesced(qhp)) {
- resume_qp(qhp);
- continue;
- }
- if ((qhp->attr.scq == chp->cq.cqid) && qp_quiesced(qhp))
- resume_qp(qhp);
- }
- return 0;
-}
diff --git a/drivers/infiniband/hw/cxgb4/iw_cxgb4.h b/drivers/infiniband/hw/cxgb4/iw_cxgb4.h
index 16032cdb4337..cc600c2dd0b3 100644
--- a/drivers/infiniband/hw/cxgb4/iw_cxgb4.h
+++ b/drivers/infiniband/hw/cxgb4/iw_cxgb4.h
@@ -760,7 +760,6 @@ int c4iw_flush_rq(struct t4_wq *wq, struct t4_cq *cq, int count);
int c4iw_flush_sq(struct t4_wq *wq, struct t4_cq *cq, int count);
int c4iw_ev_handler(struct c4iw_dev *rnicp, u32 qid);
u16 c4iw_rqes_posted(struct c4iw_qp *qhp);
-int c4iw_post_zb_read(struct c4iw_qp *qhp);
int c4iw_post_terminate(struct c4iw_qp *qhp, struct t4_cqe *err_cqe);
u32 c4iw_get_cqid(struct c4iw_rdev *rdev, struct c4iw_dev_ucontext *uctx);
void c4iw_put_cqid(struct c4iw_rdev *rdev, u32 qid,
diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c
index 057cb2505ea1..20800900ef3f 100644
--- a/drivers/infiniband/hw/cxgb4/qp.c
+++ b/drivers/infiniband/hw/cxgb4/qp.c
@@ -892,36 +892,6 @@ static inline void build_term_codes(struct t4_cqe *err_cqe, u8 *layer_type,
}
}
-int c4iw_post_zb_read(struct c4iw_qp *qhp)
-{
- union t4_wr *wqe;
- struct sk_buff *skb;
- u8 len16;
-
- PDBG("%s enter\n", __func__);
- skb = alloc_skb(40, GFP_KERNEL);
- if (!skb) {
- printk(KERN_ERR "%s cannot send zb_read!!\n", __func__);
- return -ENOMEM;
- }
- set_wr_txq(skb, CPL_PRIORITY_DATA, qhp->ep->txq_idx);
-
- wqe = (union t4_wr *)skb_put(skb, sizeof wqe->read);
- memset(wqe, 0, sizeof wqe->read);
- wqe->read.r2 = cpu_to_be64(0);
- wqe->read.stag_sink = cpu_to_be32(1);
- wqe->read.to_sink_hi = cpu_to_be32(0);
- wqe->read.to_sink_lo = cpu_to_be32(1);
- wqe->read.stag_src = cpu_to_be32(1);
- wqe->read.plen = cpu_to_be32(0);
- wqe->read.to_src_hi = cpu_to_be32(0);
- wqe->read.to_src_lo = cpu_to_be32(1);
- len16 = DIV_ROUND_UP(sizeof wqe->read, 16);
- init_wr_hdr(wqe, 0, FW_RI_RDMA_READ_WR, FW_RI_COMPLETION_FLAG, len16);
-
- return c4iw_ofld_send(&qhp->rhp->rdev, skb);
-}
-
static void post_terminate(struct c4iw_qp *qhp, struct t4_cqe *err_cqe,
gfp_t gfp)
{
@@ -1029,7 +999,6 @@ static int rdma_fini(struct c4iw_dev *rhp, struct c4iw_qp *qhp,
wqe->cookie = (unsigned long) &ep->com.wr_wait;
wqe->u.fini.type = FW_RI_TYPE_FINI;
- c4iw_init_wr_wait(&ep->com.wr_wait);
ret = c4iw_ofld_send(&rhp->rdev, skb);
if (ret)
goto out;
@@ -1125,7 +1094,6 @@ static int rdma_init(struct c4iw_dev *rhp, struct c4iw_qp *qhp)
if (qhp->attr.mpa_attr.initiator)
build_rtr_msg(qhp->attr.mpa_attr.p2p_type, &wqe->u.init);
- c4iw_init_wr_wait(&qhp->ep->com.wr_wait);
ret = c4iw_ofld_send(&rhp->rdev, skb);
if (ret)
goto out;
diff --git a/drivers/infiniband/hw/ipath/ipath_driver.c b/drivers/infiniband/hw/ipath/ipath_driver.c
index 765f0fc1da76..b33f0457a1ff 100644
--- a/drivers/infiniband/hw/ipath/ipath_driver.c
+++ b/drivers/infiniband/hw/ipath/ipath_driver.c
@@ -530,9 +530,8 @@ static int __devinit ipath_init_one(struct pci_dev *pdev,
for (j = 0; j < 6; j++) {
if (!pdev->resource[j].start)
continue;
- ipath_cdbg(VERBOSE, "BAR %d start %llx, end %llx, len %llx\n",
- j, (unsigned long long)pdev->resource[j].start,
- (unsigned long long)pdev->resource[j].end,
+ ipath_cdbg(VERBOSE, "BAR %d %pR, len %llx\n",
+ j, &pdev->resource[j],
(unsigned long long)pci_resource_len(pdev, j));
}
diff --git a/drivers/infiniband/hw/mlx4/cq.c b/drivers/infiniband/hw/mlx4/cq.c
index 5a219a2fdf16..e8df155bc3b0 100644
--- a/drivers/infiniband/hw/mlx4/cq.c
+++ b/drivers/infiniband/hw/mlx4/cq.c
@@ -397,10 +397,14 @@ int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata)
cq->resize_buf = NULL;
cq->resize_umem = NULL;
} else {
+ struct mlx4_ib_cq_buf tmp_buf;
+ int tmp_cqe = 0;
+
spin_lock_irq(&cq->lock);
if (cq->resize_buf) {
mlx4_ib_cq_resize_copy_cqes(cq);
- mlx4_ib_free_cq_buf(dev, &cq->buf, cq->ibcq.cqe);
+ tmp_buf = cq->buf;
+ tmp_cqe = cq->ibcq.cqe;
cq->buf = cq->resize_buf->buf;
cq->ibcq.cqe = cq->resize_buf->cqe;
@@ -408,6 +412,9 @@ int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata)
cq->resize_buf = NULL;
}
spin_unlock_irq(&cq->lock);
+
+ if (tmp_cqe)
+ mlx4_ib_free_cq_buf(dev, &tmp_buf, tmp_cqe);
}
goto out;
diff --git a/drivers/infiniband/hw/mlx4/mad.c b/drivers/infiniband/hw/mlx4/mad.c
index c9a8dd63b9e2..57ffa50f509e 100644
--- a/drivers/infiniband/hw/mlx4/mad.c
+++ b/drivers/infiniband/hw/mlx4/mad.c
@@ -211,6 +211,8 @@ static void forward_trap(struct mlx4_ib_dev *dev, u8 port_num, struct ib_mad *ma
if (agent) {
send_buf = ib_create_send_mad(agent, qpn, 0, 0, IB_MGMT_MAD_HDR,
IB_MGMT_MAD_DATA, GFP_ATOMIC);
+ if (IS_ERR(send_buf))
+ return;
/*
* We rely here on the fact that MLX QPs don't use the
* address handle after the send is posted (this is
diff --git a/drivers/infiniband/hw/mthca/mthca_mad.c b/drivers/infiniband/hw/mthca/mthca_mad.c
index 5648659ff0b0..03a59534f59e 100644
--- a/drivers/infiniband/hw/mthca/mthca_mad.c
+++ b/drivers/infiniband/hw/mthca/mthca_mad.c
@@ -171,6 +171,8 @@ static void forward_trap(struct mthca_dev *dev,
if (agent) {
send_buf = ib_create_send_mad(agent, qpn, 0, 0, IB_MGMT_MAD_HDR,
IB_MGMT_MAD_DATA, GFP_ATOMIC);
+ if (IS_ERR(send_buf))
+ return;
/*
* We rely here on the fact that MLX QPs don't use the
* address handle after the send is posted (this is
diff --git a/drivers/infiniband/hw/nes/nes_nic.c b/drivers/infiniband/hw/nes/nes_nic.c
index 3892e2c0e95a..5a4c36484722 100644
--- a/drivers/infiniband/hw/nes/nes_nic.c
+++ b/drivers/infiniband/hw/nes/nes_nic.c
@@ -908,8 +908,8 @@ static void nes_netdev_set_multicast_list(struct net_device *netdev)
nesvnic->nic_index &&
mc_index < max_pft_entries_avaiable) {
nes_debug(NES_DBG_NIC_RX,
- "mc_index=%d skipping nic_index=%d,\
- used for=%d \n", mc_index,
+ "mc_index=%d skipping nic_index=%d, "
+ "used for=%d \n", mc_index,
nesvnic->nic_index,
nesadapter->pft_mcast_map[mc_index]);
mc_index++;
diff --git a/drivers/infiniband/hw/qib/qib.h b/drivers/infiniband/hw/qib/qib.h
index 64c9e7d02d4a..73225eee3cc6 100644
--- a/drivers/infiniband/hw/qib/qib.h
+++ b/drivers/infiniband/hw/qib/qib.h
@@ -766,7 +766,7 @@ struct qib_devdata {
void (*f_sdma_hw_start_up)(struct qib_pportdata *);
void (*f_sdma_init_early)(struct qib_pportdata *);
void (*f_set_cntr_sample)(struct qib_pportdata *, u32, u32);
- void (*f_update_usrhead)(struct qib_ctxtdata *, u64, u32, u32);
+ void (*f_update_usrhead)(struct qib_ctxtdata *, u64, u32, u32, u32);
u32 (*f_hdrqempty)(struct qib_ctxtdata *);
u64 (*f_portcntr)(struct qib_pportdata *, u32);
u32 (*f_read_cntrs)(struct qib_devdata *, loff_t, char **,
diff --git a/drivers/infiniband/hw/qib/qib_cq.c b/drivers/infiniband/hw/qib/qib_cq.c
index a86cbf880f98..5246aa486bbe 100644
--- a/drivers/infiniband/hw/qib/qib_cq.c
+++ b/drivers/infiniband/hw/qib/qib_cq.c
@@ -100,7 +100,8 @@ void qib_cq_enter(struct qib_cq *cq, struct ib_wc *entry, int solicited)
wc->head = next;
if (cq->notify == IB_CQ_NEXT_COMP ||
- (cq->notify == IB_CQ_SOLICITED && solicited)) {
+ (cq->notify == IB_CQ_SOLICITED &&
+ (solicited || entry->status != IB_WC_SUCCESS))) {
cq->notify = IB_CQ_NONE;
cq->triggered++;
/*
diff --git a/drivers/infiniband/hw/qib/qib_driver.c b/drivers/infiniband/hw/qib/qib_driver.c
index 9cd193603fb1..23e584f4c36c 100644
--- a/drivers/infiniband/hw/qib/qib_driver.c
+++ b/drivers/infiniband/hw/qib/qib_driver.c
@@ -71,6 +71,11 @@ MODULE_DESCRIPTION("QLogic IB driver");
*/
#define QIB_PIO_MAXIBHDR 128
+/*
+ * QIB_MAX_PKT_RCV is the max # if packets processed per receive interrupt.
+ */
+#define QIB_MAX_PKT_RECV 64
+
struct qlogic_ib_stats qib_stats;
const char *qib_get_unit_name(int unit)
@@ -284,14 +289,147 @@ static inline void *qib_get_egrbuf(const struct qib_ctxtdata *rcd, u32 etail)
* Returns 1 if error was a CRC, else 0.
* Needed for some chip's synthesized error counters.
*/
-static u32 qib_rcv_hdrerr(struct qib_pportdata *ppd, u32 ctxt,
- u32 eflags, u32 l, u32 etail, __le32 *rhf_addr,
- struct qib_message_header *hdr)
+static u32 qib_rcv_hdrerr(struct qib_ctxtdata *rcd, struct qib_pportdata *ppd,
+ u32 ctxt, u32 eflags, u32 l, u32 etail,
+ __le32 *rhf_addr, struct qib_message_header *rhdr)
{
u32 ret = 0;
if (eflags & (QLOGIC_IB_RHF_H_ICRCERR | QLOGIC_IB_RHF_H_VCRCERR))
ret = 1;
+ else if (eflags == QLOGIC_IB_RHF_H_TIDERR) {
+ /* For TIDERR and RC QPs premptively schedule a NAK */
+ struct qib_ib_header *hdr = (struct qib_ib_header *) rhdr;
+ struct qib_other_headers *ohdr = NULL;
+ struct qib_ibport *ibp = &ppd->ibport_data;
+ struct qib_qp *qp = NULL;
+ u32 tlen = qib_hdrget_length_in_bytes(rhf_addr);
+ u16 lid = be16_to_cpu(hdr->lrh[1]);
+ int lnh = be16_to_cpu(hdr->lrh[0]) & 3;
+ u32 qp_num;
+ u32 opcode;
+ u32 psn;
+ int diff;
+ unsigned long flags;
+
+ /* Sanity check packet */
+ if (tlen < 24)
+ goto drop;
+
+ if (lid < QIB_MULTICAST_LID_BASE) {
+ lid &= ~((1 << ppd->lmc) - 1);
+ if (unlikely(lid != ppd->lid))
+ goto drop;
+ }
+
+ /* Check for GRH */
+ if (lnh == QIB_LRH_BTH)
+ ohdr = &hdr->u.oth;
+ else if (lnh == QIB_LRH_GRH) {
+ u32 vtf;
+
+ ohdr = &hdr->u.l.oth;
+ if (hdr->u.l.grh.next_hdr != IB_GRH_NEXT_HDR)
+ goto drop;
+ vtf = be32_to_cpu(hdr->u.l.grh.version_tclass_flow);
+ if ((vtf >> IB_GRH_VERSION_SHIFT) != IB_GRH_VERSION)
+ goto drop;
+ } else
+ goto drop;
+
+ /* Get opcode and PSN from packet */
+ opcode = be32_to_cpu(ohdr->bth[0]);
+ opcode >>= 24;
+ psn = be32_to_cpu(ohdr->bth[2]);
+
+ /* Get the destination QP number. */
+ qp_num = be32_to_cpu(ohdr->bth[1]) & QIB_QPN_MASK;
+ if (qp_num != QIB_MULTICAST_QPN) {
+ int ruc_res;
+ qp = qib_lookup_qpn(ibp, qp_num);
+ if (!qp)
+ goto drop;
+
+ /*
+ * Handle only RC QPs - for other QP types drop error
+ * packet.
+ */
+ spin_lock(&qp->r_lock);
+
+ /* Check for valid receive state. */
+ if (!(ib_qib_state_ops[qp->state] &
+ QIB_PROCESS_RECV_OK)) {
+ ibp->n_pkt_drops++;
+ goto unlock;
+ }
+
+ switch (qp->ibqp.qp_type) {
+ case IB_QPT_RC:
+ spin_lock_irqsave(&qp->s_lock, flags);
+ ruc_res =
+ qib_ruc_check_hdr(
+ ibp, hdr,
+ lnh == QIB_LRH_GRH,
+ qp,
+ be32_to_cpu(ohdr->bth[0]));
+ if (ruc_res) {
+ spin_unlock_irqrestore(&qp->s_lock,
+ flags);
+ goto unlock;
+ }
+ spin_unlock_irqrestore(&qp->s_lock, flags);
+
+ /* Only deal with RDMA Writes for now */
+ if (opcode <
+ IB_OPCODE_RC_RDMA_READ_RESPONSE_FIRST) {
+ diff = qib_cmp24(psn, qp->r_psn);
+ if (!qp->r_nak_state && diff >= 0) {
+ ibp->n_rc_seqnak++;
+ qp->r_nak_state =
+ IB_NAK_PSN_ERROR;
+ /* Use the expected PSN. */
+ qp->r_ack_psn = qp->r_psn;
+ /*
+ * Wait to send the sequence
+ * NAK until all packets
+ * in the receive queue have
+ * been processed.
+ * Otherwise, we end up
+ * propagating congestion.
+ */
+ if (list_empty(&qp->rspwait)) {
+ qp->r_flags |=
+ QIB_R_RSP_NAK;
+ atomic_inc(
+ &qp->refcount);
+ list_add_tail(
+ &qp->rspwait,
+ &rcd->qp_wait_list);
+ }
+ } /* Out of sequence NAK */
+ } /* QP Request NAKs */
+ break;
+ case IB_QPT_SMI:
+ case IB_QPT_GSI:
+ case IB_QPT_UD:
+ case IB_QPT_UC:
+ default:
+ /* For now don't handle any other QP types */
+ break;
+ }
+
+unlock:
+ spin_unlock(&qp->r_lock);
+ /*
+ * Notify qib_destroy_qp() if it is waiting
+ * for us to finish.
+ */
+ if (atomic_dec_and_test(&qp->refcount))
+ wake_up(&qp->wait);
+ } /* Unicast QP */
+ } /* Valid packet with TIDErr */
+
+drop:
return ret;
}
@@ -335,7 +473,7 @@ u32 qib_kreceive(struct qib_ctxtdata *rcd, u32 *llic, u32 *npkts)
smp_rmb(); /* prevent speculative reads of dma'ed hdrq */
}
- for (last = 0, i = 1; !last && i <= 64; i += !last) {
+ for (last = 0, i = 1; !last; i += !last) {
hdr = dd->f_get_msgheader(dd, rhf_addr);
eflags = qib_hdrget_err_flags(rhf_addr);
etype = qib_hdrget_rcv_type(rhf_addr);
@@ -371,7 +509,7 @@ u32 qib_kreceive(struct qib_ctxtdata *rcd, u32 *llic, u32 *npkts)
* packets; only qibhdrerr should be set.
*/
if (unlikely(eflags))
- crcs += qib_rcv_hdrerr(ppd, rcd->ctxt, eflags, l,
+ crcs += qib_rcv_hdrerr(rcd, ppd, rcd->ctxt, eflags, l,
etail, rhf_addr, hdr);
else if (etype == RCVHQ_RCV_TYPE_NON_KD) {
qib_ib_rcv(rcd, hdr, ebuf, tlen);
@@ -384,6 +522,9 @@ move_along:
l += rsize;
if (l >= maxcnt)
l = 0;
+ if (i == QIB_MAX_PKT_RECV)
+ last = 1;
+
rhf_addr = (__le32 *) rcd->rcvhdrq + l + dd->rhf_offset;
if (dd->flags & QIB_NODMA_RTAIL) {
u32 seq = qib_hdrget_seq(rhf_addr);
@@ -402,7 +543,7 @@ move_along:
*/
lval = l;
if (!last && !(i & 0xf)) {
- dd->f_update_usrhead(rcd, lval, updegr, etail);
+ dd->f_update_usrhead(rcd, lval, updegr, etail, i);
updegr = 0;
}
}
@@ -444,7 +585,7 @@ bail:
* if no packets were processed.
*/
lval = (u64)rcd->head | dd->rhdrhead_intr_off;
- dd->f_update_usrhead(rcd, lval, updegr, etail);
+ dd->f_update_usrhead(rcd, lval, updegr, etail, i);
return crcs;
}
diff --git a/drivers/infiniband/hw/qib/qib_file_ops.c b/drivers/infiniband/hw/qib/qib_file_ops.c
index 79d9971aff1f..75bfad16c114 100644
--- a/drivers/infiniband/hw/qib/qib_file_ops.c
+++ b/drivers/infiniband/hw/qib/qib_file_ops.c
@@ -1379,17 +1379,17 @@ static int get_a_ctxt(struct file *fp, const struct qib_user_info *uinfo,
/* find device (with ACTIVE ports) with fewest ctxts in use */
for (ndev = 0; ndev < devmax; ndev++) {
struct qib_devdata *dd = qib_lookup(ndev);
- unsigned cused = 0, cfree = 0;
+ unsigned cused = 0, cfree = 0, pusable = 0;
if (!dd)
continue;
if (port && port <= dd->num_pports &&
usable(dd->pport + port - 1))
- dusable = 1;
+ pusable = 1;
else
for (i = 0; i < dd->num_pports; i++)
if (usable(dd->pport + i))
- dusable++;
- if (!dusable)
+ pusable++;
+ if (!pusable)
continue;
for (ctxt = dd->first_user_ctxt; ctxt < dd->cfgctxts;
ctxt++)
@@ -1397,7 +1397,7 @@ static int get_a_ctxt(struct file *fp, const struct qib_user_info *uinfo,
cused++;
else
cfree++;
- if (cfree && cused < inuse) {
+ if (pusable && cfree && cused < inuse) {
udd = dd;
inuse = cused;
}
diff --git a/drivers/infiniband/hw/qib/qib_iba6120.c b/drivers/infiniband/hw/qib/qib_iba6120.c
index a5e29dbb9537..774dea897e9c 100644
--- a/drivers/infiniband/hw/qib/qib_iba6120.c
+++ b/drivers/infiniband/hw/qib/qib_iba6120.c
@@ -2074,7 +2074,7 @@ static void qib_6120_config_ctxts(struct qib_devdata *dd)
}
static void qib_update_6120_usrhead(struct qib_ctxtdata *rcd, u64 hd,
- u32 updegr, u32 egrhd)
+ u32 updegr, u32 egrhd, u32 npkts)
{
qib_write_ureg(rcd->dd, ur_rcvhdrhead, hd, rcd->ctxt);
if (updegr)
diff --git a/drivers/infiniband/hw/qib/qib_iba7220.c b/drivers/infiniband/hw/qib/qib_iba7220.c
index 6fd8d74e7392..127a0d5069f0 100644
--- a/drivers/infiniband/hw/qib/qib_iba7220.c
+++ b/drivers/infiniband/hw/qib/qib_iba7220.c
@@ -2297,7 +2297,7 @@ static void qib_7220_config_ctxts(struct qib_devdata *dd)
nchipctxts = qib_read_kreg32(dd, kr_portcnt);
dd->cspec->numctxts = nchipctxts;
if (qib_n_krcv_queues > 1) {
- dd->qpn_mask = 0x3f;
+ dd->qpn_mask = 0x3e;
dd->first_user_ctxt = qib_n_krcv_queues * dd->num_pports;
if (dd->first_user_ctxt > nchipctxts)
dd->first_user_ctxt = nchipctxts;
@@ -2703,7 +2703,7 @@ static int qib_7220_set_loopback(struct qib_pportdata *ppd, const char *what)
}
static void qib_update_7220_usrhead(struct qib_ctxtdata *rcd, u64 hd,
- u32 updegr, u32 egrhd)
+ u32 updegr, u32 egrhd, u32 npkts)
{
qib_write_ureg(rcd->dd, ur_rcvhdrhead, hd, rcd->ctxt);
if (updegr)
diff --git a/drivers/infiniband/hw/qib/qib_iba7322.c b/drivers/infiniband/hw/qib/qib_iba7322.c
index 584d443b5335..dbbb0e85afe4 100644
--- a/drivers/infiniband/hw/qib/qib_iba7322.c
+++ b/drivers/infiniband/hw/qib/qib_iba7322.c
@@ -71,6 +71,9 @@ static void qib_7322_mini_pcs_reset(struct qib_pportdata *);
static u32 ahb_mod(struct qib_devdata *, int, int, int, u32, u32);
static void ibsd_wr_allchans(struct qib_pportdata *, int, unsigned, unsigned);
+static void serdes_7322_los_enable(struct qib_pportdata *, int);
+static int serdes_7322_init_old(struct qib_pportdata *);
+static int serdes_7322_init_new(struct qib_pportdata *);
#define BMASK(msb, lsb) (((1 << ((msb) + 1 - (lsb))) - 1) << (lsb))
@@ -111,6 +114,21 @@ static ushort qib_singleport;
module_param_named(singleport, qib_singleport, ushort, S_IRUGO);
MODULE_PARM_DESC(singleport, "Use only IB port 1; more per-port buffer space");
+/*
+ * Receive header queue sizes
+ */
+static unsigned qib_rcvhdrcnt;
+module_param_named(rcvhdrcnt, qib_rcvhdrcnt, uint, S_IRUGO);
+MODULE_PARM_DESC(rcvhdrcnt, "receive header count");
+
+static unsigned qib_rcvhdrsize;
+module_param_named(rcvhdrsize, qib_rcvhdrsize, uint, S_IRUGO);
+MODULE_PARM_DESC(rcvhdrsize, "receive header size in 32-bit words");
+
+static unsigned qib_rcvhdrentsize;
+module_param_named(rcvhdrentsize, qib_rcvhdrentsize, uint, S_IRUGO);
+MODULE_PARM_DESC(rcvhdrentsize, "receive header entry size in 32-bit words");
+
#define MAX_ATTEN_LEN 64 /* plenty for any real system */
/* for read back, default index is ~5m copper cable */
static char txselect_list[MAX_ATTEN_LEN] = "10";
@@ -544,6 +562,7 @@ static void write_tx_serdes_param(struct qib_pportdata *, struct txdds_ent *);
#define TXDDS_TABLE_SZ 16 /* number of entries per speed in onchip table */
#define TXDDS_EXTRA_SZ 13 /* number of extra tx settings entries */
+#define TXDDS_MFG_SZ 2 /* number of mfg tx settings entries */
#define SERDES_CHANS 4 /* yes, it's obvious, but one less magic number */
#define H1_FORCE_VAL 8
@@ -604,6 +623,7 @@ struct qib_chippport_specific {
u8 ibmalfusesnap;
struct qib_qsfp_data qsfp_data;
char epmsgbuf[192]; /* for port error interrupt msg buffer */
+ u8 bounced;
};
static struct {
@@ -1677,6 +1697,8 @@ static void handle_serdes_issues(struct qib_pportdata *ppd, u64 ibcst)
(ibcst & SYM_MASK(IBCStatusA_0, LinkSpeedQDR))) {
force_h1(ppd);
ppd->cpspec->qdr_reforce = 1;
+ if (!ppd->dd->cspec->r1)
+ serdes_7322_los_enable(ppd, 0);
} else if (ppd->cpspec->qdr_reforce &&
(ibcst & SYM_MASK(IBCStatusA_0, LinkSpeedQDR)) &&
(ibclt == IB_7322_LT_STATE_CFGENH ||
@@ -1692,18 +1714,37 @@ static void handle_serdes_issues(struct qib_pportdata *ppd, u64 ibcst)
ibclt <= IB_7322_LT_STATE_SLEEPQUIET)))
adj_tx_serdes(ppd);
- if (!ppd->cpspec->qdr_dfe_on && ibclt != IB_7322_LT_STATE_LINKUP &&
- ibclt <= IB_7322_LT_STATE_SLEEPQUIET) {
- ppd->cpspec->qdr_dfe_on = 1;
- ppd->cpspec->qdr_dfe_time = 0;
- /* On link down, reenable QDR adaptation */
- qib_write_kreg_port(ppd, krp_static_adapt_dis(2),
- ppd->dd->cspec->r1 ?
- QDR_STATIC_ADAPT_DOWN_R1 :
- QDR_STATIC_ADAPT_DOWN);
+ if (ibclt != IB_7322_LT_STATE_LINKUP) {
+ u8 ltstate = qib_7322_phys_portstate(ibcst);
+ u8 pibclt = (u8)SYM_FIELD(ppd->lastibcstat, IBCStatusA_0,
+ LinkTrainingState);
+ if (!ppd->dd->cspec->r1 &&
+ pibclt == IB_7322_LT_STATE_LINKUP &&
+ ltstate != IB_PHYSPORTSTATE_LINK_ERR_RECOVER &&
+ ltstate != IB_PHYSPORTSTATE_RECOVERY_RETRAIN &&
+ ltstate != IB_PHYSPORTSTATE_RECOVERY_WAITRMT &&
+ ltstate != IB_PHYSPORTSTATE_RECOVERY_IDLE)
+ /* If the link went down (but no into recovery,
+ * turn LOS back on */
+ serdes_7322_los_enable(ppd, 1);
+ if (!ppd->cpspec->qdr_dfe_on &&
+ ibclt <= IB_7322_LT_STATE_SLEEPQUIET) {
+ ppd->cpspec->qdr_dfe_on = 1;
+ ppd->cpspec->qdr_dfe_time = 0;
+ /* On link down, reenable QDR adaptation */
+ qib_write_kreg_port(ppd, krp_static_adapt_dis(2),
+ ppd->dd->cspec->r1 ?
+ QDR_STATIC_ADAPT_DOWN_R1 :
+ QDR_STATIC_ADAPT_DOWN);
+ printk(KERN_INFO QIB_DRV_NAME
+ " IB%u:%u re-enabled QDR adaptation "
+ "ibclt %x\n", ppd->dd->unit, ppd->port, ibclt);
+ }
}
}
+static int qib_7322_set_ib_cfg(struct qib_pportdata *, int, u32);
+
/*
* This is per-pport error handling.
* will likely get it's own MSIx interrupt (one for each port,
@@ -1840,7 +1881,23 @@ static noinline void handle_7322_p_errors(struct qib_pportdata *ppd)
IB_PHYSPORTSTATE_DISABLED)
qib_set_ib_7322_lstate(ppd, 0,
QLOGIC_IB_IBCC_LINKINITCMD_DISABLE);
- else
+ else {
+ u32 lstate;
+ /*
+ * We need the current logical link state before
+ * lflags are set in handle_e_ibstatuschanged.
+ */
+ lstate = qib_7322_iblink_state(ibcs);
+
+ if (IS_QMH(dd) && !ppd->cpspec->bounced &&
+ ltstate == IB_PHYSPORTSTATE_LINKUP &&
+ (lstate >= IB_PORT_INIT &&
+ lstate <= IB_PORT_ACTIVE)) {
+ ppd->cpspec->bounced = 1;
+ qib_7322_set_ib_cfg(ppd, QIB_IB_CFG_LSTATE,
+ IB_LINKCMD_DOWN | IB_LINKINITCMD_POLL);
+ }
+
/*
* Since going into a recovery state causes the link
* state to go down and since recovery is transitory,
@@ -1854,6 +1911,7 @@ static noinline void handle_7322_p_errors(struct qib_pportdata *ppd)
ltstate != IB_PHYSPORTSTATE_RECOVERY_WAITRMT &&
ltstate != IB_PHYSPORTSTATE_RECOVERY_IDLE)
qib_handle_e_ibstatuschanged(ppd, ibcs);
+ }
}
if (*msg && iserr)
qib_dev_porterr(dd, ppd->port, "%s error\n", msg);
@@ -2785,7 +2843,6 @@ static irqreturn_t qib_7322intr(int irq, void *data)
ctxtrbits &= ~rmask;
if (dd->rcd[i]) {
qib_kreceive(dd->rcd[i], NULL, &npkts);
- adjust_rcv_timeout(dd->rcd[i], npkts);
}
}
rmask <<= 1;
@@ -2835,7 +2892,6 @@ static irqreturn_t qib_7322pintr(int irq, void *data)
(1ULL << QIB_I_RCVURG_LSB)) << rcd->ctxt);
qib_kreceive(rcd, NULL, &npkts);
- adjust_rcv_timeout(rcd, npkts);
return IRQ_HANDLED;
}
@@ -3157,6 +3213,10 @@ static unsigned qib_7322_boardname(struct qib_devdata *dd)
case BOARD_QME7342:
n = "InfiniPath_QME7342";
break;
+ case 8:
+ n = "InfiniPath_QME7362";
+ dd->flags |= QIB_HAS_QSFP;
+ break;
case 15:
n = "InfiniPath_QLE7342_TEST";
dd->flags |= QIB_HAS_QSFP;
@@ -3475,11 +3535,6 @@ static void qib_7322_config_ctxts(struct qib_devdata *dd)
nchipctxts = qib_read_kreg32(dd, kr_contextcnt);
dd->cspec->numctxts = nchipctxts;
if (qib_n_krcv_queues > 1 && dd->num_pports) {
- /*
- * Set the mask for which bits from the QPN are used
- * to select a context number.
- */
- dd->qpn_mask = 0x3f;
dd->first_user_ctxt = NUM_IB_PORTS +
(qib_n_krcv_queues - 1) * dd->num_pports;
if (dd->first_user_ctxt > nchipctxts)
@@ -3530,8 +3585,11 @@ static void qib_7322_config_ctxts(struct qib_devdata *dd)
/* kr_rcvegrcnt changes based on the number of contexts enabled */
dd->cspec->rcvegrcnt = qib_read_kreg32(dd, kr_rcvegrcnt);
- dd->rcvhdrcnt = max(dd->cspec->rcvegrcnt,
- dd->num_pports > 1 ? 1024U : 2048U);
+ if (qib_rcvhdrcnt)
+ dd->rcvhdrcnt = max(dd->cspec->rcvegrcnt, qib_rcvhdrcnt);
+ else
+ dd->rcvhdrcnt = max(dd->cspec->rcvegrcnt,
+ dd->num_pports > 1 ? 1024U : 2048U);
}
static int qib_7322_get_ib_cfg(struct qib_pportdata *ppd, int which)
@@ -4002,8 +4060,14 @@ static int qib_7322_set_ib_table(struct qib_pportdata *ppd, int which, void *t)
}
static void qib_update_7322_usrhead(struct qib_ctxtdata *rcd, u64 hd,
- u32 updegr, u32 egrhd)
+ u32 updegr, u32 egrhd, u32 npkts)
{
+ /*
+ * Need to write timeout register before updating rcvhdrhead to ensure
+ * that the timer is enabled on reception of a packet.
+ */
+ if (hd >> IBA7322_HDRHEAD_PKTINT_SHIFT)
+ adjust_rcv_timeout(rcd, npkts);
qib_write_ureg(rcd->dd, ur_rcvhdrhead, hd, rcd->ctxt);
qib_write_ureg(rcd->dd, ur_rcvhdrhead, hd, rcd->ctxt);
if (updegr)
@@ -5522,7 +5586,7 @@ static void qsfp_7322_event(struct work_struct *work)
u64 now = get_jiffies_64();
if (time_after64(now, pwrup))
break;
- msleep(1);
+ msleep(20);
}
ret = qib_refresh_qsfp_cache(ppd, &qd->cache);
/*
@@ -5579,6 +5643,7 @@ static void set_no_qsfp_atten(struct qib_devdata *dd, int change)
u32 pidx, unit, port, deflt, h1;
unsigned long val;
int any = 0, seth1;
+ int txdds_size;
str = txselect_list;
@@ -5587,6 +5652,10 @@ static void set_no_qsfp_atten(struct qib_devdata *dd, int change)
for (pidx = 0; pidx < dd->num_pports; ++pidx)
dd->pport[pidx].cpspec->no_eep = deflt;
+ txdds_size = TXDDS_TABLE_SZ + TXDDS_EXTRA_SZ;
+ if (IS_QME(dd) || IS_QMH(dd))
+ txdds_size += TXDDS_MFG_SZ;
+
while (*nxt && nxt[1]) {
str = ++nxt;
unit = simple_strtoul(str, &nxt, 0);
@@ -5609,7 +5678,7 @@ static void set_no_qsfp_atten(struct qib_devdata *dd, int change)
;
continue;
}
- if (val >= TXDDS_TABLE_SZ + TXDDS_EXTRA_SZ)
+ if (val >= txdds_size)
continue;
seth1 = 0;
h1 = 0; /* gcc thinks it might be used uninitted */
@@ -5661,10 +5730,11 @@ static int setup_txselect(const char *str, struct kernel_param *kp)
return -ENOSPC;
}
val = simple_strtoul(str, &n, 0);
- if (n == str || val >= (TXDDS_TABLE_SZ + TXDDS_EXTRA_SZ)) {
+ if (n == str || val >= (TXDDS_TABLE_SZ + TXDDS_EXTRA_SZ +
+ TXDDS_MFG_SZ)) {
printk(KERN_INFO QIB_DRV_NAME
"txselect_values must start with a number < %d\n",
- TXDDS_TABLE_SZ + TXDDS_EXTRA_SZ);
+ TXDDS_TABLE_SZ + TXDDS_EXTRA_SZ + TXDDS_MFG_SZ);
return -EINVAL;
}
strcpy(txselect_list, str);
@@ -5810,7 +5880,8 @@ static void write_7322_initregs(struct qib_devdata *dd)
unsigned n, regno;
unsigned long flags;
- if (!dd->qpn_mask || !dd->pport[pidx].link_speed_supported)
+ if (dd->n_krcv_queues < 2 ||
+ !dd->pport[pidx].link_speed_supported)
continue;
ppd = &dd->pport[pidx];
@@ -6097,8 +6168,10 @@ static int qib_init_7322_variables(struct qib_devdata *dd)
ppd++;
}
- dd->rcvhdrentsize = QIB_RCVHDR_ENTSIZE;
- dd->rcvhdrsize = QIB_DFLT_RCVHDRSIZE;
+ dd->rcvhdrentsize = qib_rcvhdrentsize ?
+ qib_rcvhdrentsize : QIB_RCVHDR_ENTSIZE;
+ dd->rcvhdrsize = qib_rcvhdrsize ?
+ qib_rcvhdrsize : QIB_DFLT_RCVHDRSIZE;
dd->rhf_offset = dd->rcvhdrentsize - sizeof(u64) / sizeof(u32);
/* we always allocate at least 2048 bytes for eager buffers */
@@ -6495,7 +6568,7 @@ static void qib_7322_txchk_change(struct qib_devdata *dd, u32 start,
/* make sure we see an updated copy next time around */
sendctrl_7322_mod(dd->pport, QIB_SENDCTRL_AVAIL_BLIP);
sleeps++;
- msleep(1);
+ msleep(20);
}
switch (which) {
@@ -6993,6 +7066,12 @@ static const struct txdds_ent txdds_extra_qdr[TXDDS_EXTRA_SZ] = {
{ 0, 1, 0, 12 }, /* QMH7342 backplane settings */
};
+static const struct txdds_ent txdds_extra_mfg[TXDDS_MFG_SZ] = {
+ /* amp, pre, main, post */
+ { 0, 0, 0, 0 }, /* QME7342 mfg settings */
+ { 0, 0, 0, 6 }, /* QME7342 P2 mfg settings */
+};
+
static const struct txdds_ent *get_atten_table(const struct txdds_ent *txdds,
unsigned atten)
{
@@ -7066,6 +7145,16 @@ static void find_best_ent(struct qib_pportdata *ppd,
*sdr_dds = &txdds_extra_sdr[idx];
*ddr_dds = &txdds_extra_ddr[idx];
*qdr_dds = &txdds_extra_qdr[idx];
+ } else if ((IS_QME(ppd->dd) || IS_QMH(ppd->dd)) &&
+ ppd->cpspec->no_eep < (TXDDS_TABLE_SZ + TXDDS_EXTRA_SZ +
+ TXDDS_MFG_SZ)) {
+ idx = ppd->cpspec->no_eep - (TXDDS_TABLE_SZ + TXDDS_EXTRA_SZ);
+ printk(KERN_INFO QIB_DRV_NAME
+ " IB%u:%u use idx %u into txdds_mfg\n",
+ ppd->dd->unit, ppd->port, idx);
+ *sdr_dds = &txdds_extra_mfg[idx];
+ *ddr_dds = &txdds_extra_mfg[idx];
+ *qdr_dds = &txdds_extra_mfg[idx];
} else {
/* this shouldn't happen, it's range checked */
*sdr_dds = txdds_sdr + qib_long_atten;
@@ -7210,9 +7299,30 @@ static void ibsd_wr_allchans(struct qib_pportdata *ppd, int addr, unsigned data,
}
}
+static void serdes_7322_los_enable(struct qib_pportdata *ppd, int enable)
+{
+ u64 data = qib_read_kreg_port(ppd, krp_serdesctrl);
+ printk(KERN_INFO QIB_DRV_NAME " IB%u:%u Turning LOS %s\n",
+ ppd->dd->unit, ppd->port, (enable ? "on" : "off"));
+ if (enable)
+ data |= SYM_MASK(IBSerdesCtrl_0, RXLOSEN);
+ else
+ data &= ~SYM_MASK(IBSerdesCtrl_0, RXLOSEN);
+ qib_write_kreg_port(ppd, krp_serdesctrl, data);
+}
+
static int serdes_7322_init(struct qib_pportdata *ppd)
{
- u64 data;
+ int ret = 0;
+ if (ppd->dd->cspec->r1)
+ ret = serdes_7322_init_old(ppd);
+ else
+ ret = serdes_7322_init_new(ppd);
+ return ret;
+}
+
+static int serdes_7322_init_old(struct qib_pportdata *ppd)
+{
u32 le_val;
/*
@@ -7270,11 +7380,7 @@ static int serdes_7322_init(struct qib_pportdata *ppd)
ibsd_wr_allchans(ppd, 20, (2 << 10), BMASK(12, 10)); /* DDR */
ibsd_wr_allchans(ppd, 20, (4 << 13), BMASK(15, 13)); /* SDR */
- data = qib_read_kreg_port(ppd, krp_serdesctrl);
- /* Turn off IB latency mode */
- data &= ~SYM_MASK(IBSerdesCtrl_0, IB_LAT_MODE);
- qib_write_kreg_port(ppd, krp_serdesctrl, data |
- SYM_MASK(IBSerdesCtrl_0, RXLOSEN));
+ serdes_7322_los_enable(ppd, 1);
/* rxbistena; set 0 to avoid effects of it switch later */
ibsd_wr_allchans(ppd, 9, 0 << 15, 1 << 15);
@@ -7314,6 +7420,205 @@ static int serdes_7322_init(struct qib_pportdata *ppd)
return 0;
}
+static int serdes_7322_init_new(struct qib_pportdata *ppd)
+{
+ u64 tstart;
+ u32 le_val, rxcaldone;
+ int chan, chan_done = (1 << SERDES_CHANS) - 1;
+
+ /*
+ * Initialize the Tx DDS tables. Also done every QSFP event,
+ * for adapters with QSFP
+ */
+ init_txdds_table(ppd, 0);
+
+ /* Clear cmode-override, may be set from older driver */
+ ahb_mod(ppd->dd, IBSD(ppd->hw_pidx), 5, 10, 0 << 14, 1 << 14);
+
+ /* ensure no tx overrides from earlier driver loads */
+ qib_write_kreg_port(ppd, krp_tx_deemph_override,
+ SYM_MASK(IBSD_TX_DEEMPHASIS_OVERRIDE_0,
+ reset_tx_deemphasis_override));
+
+ /* START OF LSI SUGGESTED SERDES BRINGUP */
+ /* Reset - Calibration Setup */
+ /* Stop DFE adaptaion */
+ ibsd_wr_allchans(ppd, 1, 0, BMASK(9, 1));
+ /* Disable LE1 */
+ ibsd_wr_allchans(ppd, 13, 0, BMASK(5, 5));
+ /* Disable autoadapt for LE1 */
+ ibsd_wr_allchans(ppd, 1, 0, BMASK(15, 15));
+ /* Disable LE2 */
+ ibsd_wr_allchans(ppd, 13, 0, BMASK(6, 6));
+ /* Disable VGA */
+ ibsd_wr_allchans(ppd, 5, 0, BMASK(0, 0));
+ /* Disable AFE Offset Cancel */
+ ibsd_wr_allchans(ppd, 12, 0, BMASK(12, 12));
+ /* Disable Timing Loop */
+ ibsd_wr_allchans(ppd, 2, 0, BMASK(3, 3));
+ /* Disable Frequency Loop */
+ ibsd_wr_allchans(ppd, 2, 0, BMASK(4, 4));
+ /* Disable Baseline Wander Correction */
+ ibsd_wr_allchans(ppd, 13, 0, BMASK(13, 13));
+ /* Disable RX Calibration */
+ ibsd_wr_allchans(ppd, 4, 0, BMASK(10, 10));
+ /* Disable RX Offset Calibration */
+ ibsd_wr_allchans(ppd, 12, 0, BMASK(4, 4));
+ /* Select BB CDR */
+ ibsd_wr_allchans(ppd, 2, (1 << 15), BMASK(15, 15));
+ /* CDR Step Size */
+ ibsd_wr_allchans(ppd, 5, 0, BMASK(9, 8));
+ /* Enable phase Calibration */
+ ibsd_wr_allchans(ppd, 12, (1 << 5), BMASK(5, 5));
+ /* DFE Bandwidth [2:14-12] */
+ ibsd_wr_allchans(ppd, 2, (4 << 12), BMASK(14, 12));
+ /* DFE Config (4 taps only) */
+ ibsd_wr_allchans(ppd, 16, 0, BMASK(1, 0));
+ /* Gain Loop Bandwidth */
+ if (!ppd->dd->cspec->r1) {
+ ibsd_wr_allchans(ppd, 12, 1 << 12, BMASK(12, 12));
+ ibsd_wr_allchans(ppd, 12, 2 << 8, BMASK(11, 8));
+ } else {
+ ibsd_wr_allchans(ppd, 19, (3 << 11), BMASK(13, 11));
+ }
+ /* Baseline Wander Correction Gain [13:4-0] (leave as default) */
+ /* Baseline Wander Correction Gain [3:7-5] (leave as default) */
+ /* Data Rate Select [5:7-6] (leave as default) */
+ /* RX Parralel Word Width [3:10-8] (leave as default) */
+
+ /* RX REST */
+ /* Single- or Multi-channel reset */
+ /* RX Analog reset */
+ /* RX Digital reset */
+ ibsd_wr_allchans(ppd, 0, 0, BMASK(15, 13));
+ msleep(20);
+ /* RX Analog reset */
+ ibsd_wr_allchans(ppd, 0, (1 << 14), BMASK(14, 14));
+ msleep(20);
+ /* RX Digital reset */
+ ibsd_wr_allchans(ppd, 0, (1 << 13), BMASK(13, 13));
+ msleep(20);
+
+ /* setup LoS params; these are subsystem, so chan == 5 */
+ /* LoS filter threshold_count on, ch 0-3, set to 8 */
+ ahb_mod(ppd->dd, IBSD(ppd->hw_pidx), 5, 5, 8 << 11, BMASK(14, 11));
+ ahb_mod(ppd->dd, IBSD(ppd->hw_pidx), 5, 7, 8 << 4, BMASK(7, 4));
+ ahb_mod(ppd->dd, IBSD(ppd->hw_pidx), 5, 8, 8 << 11, BMASK(14, 11));
+ ahb_mod(ppd->dd, IBSD(ppd->hw_pidx), 5, 10, 8 << 4, BMASK(7, 4));
+
+ /* LoS filter threshold_count off, ch 0-3, set to 4 */
+ ahb_mod(ppd->dd, IBSD(ppd->hw_pidx), 5, 6, 4 << 0, BMASK(3, 0));
+ ahb_mod(ppd->dd, IBSD(ppd->hw_pidx), 5, 7, 4 << 8, BMASK(11, 8));
+ ahb_mod(ppd->dd, IBSD(ppd->hw_pidx), 5, 9, 4 << 0, BMASK(3, 0));
+ ahb_mod(ppd->dd, IBSD(ppd->hw_pidx), 5, 10, 4 << 8, BMASK(11, 8));
+
+ /* LoS filter select enabled */
+ ahb_mod(ppd->dd, IBSD(ppd->hw_pidx), 5, 9, 1 << 15, 1 << 15);
+
+ /* LoS target data: SDR=4, DDR=2, QDR=1 */
+ ibsd_wr_allchans(ppd, 14, (1 << 3), BMASK(5, 3)); /* QDR */
+ ibsd_wr_allchans(ppd, 20, (2 << 10), BMASK(12, 10)); /* DDR */
+ ibsd_wr_allchans(ppd, 20, (4 << 13), BMASK(15, 13)); /* SDR */
+
+ /* Turn on LOS on initial SERDES init */
+ serdes_7322_los_enable(ppd, 1);
+ /* FLoop LOS gate: PPM filter enabled */
+ ibsd_wr_allchans(ppd, 38, 0 << 10, 1 << 10);
+
+ /* RX LATCH CALIBRATION */
+ /* Enable Eyefinder Phase Calibration latch */
+ ibsd_wr_allchans(ppd, 15, 1, BMASK(0, 0));
+ /* Enable RX Offset Calibration latch */
+ ibsd_wr_allchans(ppd, 12, (1 << 4), BMASK(4, 4));
+ msleep(20);
+ /* Start Calibration */
+ ibsd_wr_allchans(ppd, 4, (1 << 10), BMASK(10, 10));
+ tstart = get_jiffies_64();
+ while (chan_done &&
+ !time_after64(tstart, tstart + msecs_to_jiffies(500))) {
+ msleep(20);
+ for (chan = 0; chan < SERDES_CHANS; ++chan) {
+ rxcaldone = ahb_mod(ppd->dd, IBSD(ppd->hw_pidx),
+ (chan + (chan >> 1)),
+ 25, 0, 0);
+ if ((~rxcaldone & (u32)BMASK(9, 9)) == 0 &&
+ (~chan_done & (1 << chan)) == 0)
+ chan_done &= ~(1 << chan);
+ }
+ }
+ if (chan_done) {
+ printk(KERN_INFO QIB_DRV_NAME
+ " Serdes %d calibration not done after .5 sec: 0x%x\n",
+ IBSD(ppd->hw_pidx), chan_done);
+ } else {
+ for (chan = 0; chan < SERDES_CHANS; ++chan) {
+ rxcaldone = ahb_mod(ppd->dd, IBSD(ppd->hw_pidx),
+ (chan + (chan >> 1)),
+ 25, 0, 0);
+ if ((~rxcaldone & (u32)BMASK(10, 10)) == 0)
+ printk(KERN_INFO QIB_DRV_NAME
+ " Serdes %d chan %d calibration "
+ "failed\n", IBSD(ppd->hw_pidx), chan);
+ }
+ }
+
+ /* Turn off Calibration */
+ ibsd_wr_allchans(ppd, 4, 0, BMASK(10, 10));
+ msleep(20);
+
+ /* BRING RX UP */
+ /* Set LE2 value (May be overridden in qsfp_7322_event) */
+ le_val = IS_QME(ppd->dd) ? LE2_QME : LE2_DEFAULT;
+ ibsd_wr_allchans(ppd, 13, (le_val << 7), BMASK(9, 7));
+ /* Set LE2 Loop bandwidth */
+ ibsd_wr_allchans(ppd, 3, (7 << 5), BMASK(7, 5));
+ /* Enable LE2 */
+ ibsd_wr_allchans(ppd, 13, (1 << 6), BMASK(6, 6));
+ msleep(20);
+ /* Enable H0 only */
+ ibsd_wr_allchans(ppd, 1, 1, BMASK(9, 1));
+ /* gain hi stop 32 (22) (6:1) lo stop 7 (10:7) target 22 (13) (15:11) */
+ le_val = (ppd->dd->cspec->r1 || IS_QME(ppd->dd)) ? 0xb6c0 : 0x6bac;
+ ibsd_wr_allchans(ppd, 21, le_val, 0xfffe);
+ /* Enable VGA */
+ ibsd_wr_allchans(ppd, 5, 0, BMASK(0, 0));
+ msleep(20);
+ /* Set Frequency Loop Bandwidth */
+ ibsd_wr_allchans(ppd, 2, (7 << 5), BMASK(8, 5));
+ /* Enable Frequency Loop */
+ ibsd_wr_allchans(ppd, 2, (1 << 4), BMASK(4, 4));
+ /* Set Timing Loop Bandwidth */
+ ibsd_wr_allchans(ppd, 2, 0, BMASK(11, 9));
+ /* Enable Timing Loop */
+ ibsd_wr_allchans(ppd, 2, (1 << 3), BMASK(3, 3));
+ msleep(50);
+ /* Enable DFE
+ * Set receive adaptation mode. SDR and DDR adaptation are
+ * always on, and QDR is initially enabled; later disabled.
+ */
+ qib_write_kreg_port(ppd, krp_static_adapt_dis(0), 0ULL);
+ qib_write_kreg_port(ppd, krp_static_adapt_dis(1), 0ULL);
+ qib_write_kreg_port(ppd, krp_static_adapt_dis(2),
+ ppd->dd->cspec->r1 ?
+ QDR_STATIC_ADAPT_DOWN_R1 : QDR_STATIC_ADAPT_DOWN);
+ ppd->cpspec->qdr_dfe_on = 1;
+ /* Disable LE1 */
+ ibsd_wr_allchans(ppd, 13, (0 << 5), (1 << 5));
+ /* Disable auto adapt for LE1 */
+ ibsd_wr_allchans(ppd, 1, (0 << 15), BMASK(15, 15));
+ msleep(20);
+ /* Enable AFE Offset Cancel */
+ ibsd_wr_allchans(ppd, 12, (1 << 12), BMASK(12, 12));
+ /* Enable Baseline Wander Correction */
+ ibsd_wr_allchans(ppd, 12, (1 << 13), BMASK(13, 13));
+ /* Termination: rxtermctrl_r2d addr 11 bits [12:11] = 1 */
+ ibsd_wr_allchans(ppd, 11, (1 << 11), BMASK(12, 11));
+ /* VGA output common mode */
+ ibsd_wr_allchans(ppd, 12, (3 << 2), BMASK(3, 2));
+
+ return 0;
+}
+
/* start adjust QMH serdes parameters */
static void set_man_code(struct qib_pportdata *ppd, int chan, int code)
diff --git a/drivers/infiniband/hw/qib/qib_init.c b/drivers/infiniband/hw/qib/qib_init.c
index f3b503936043..7896afbb9ce8 100644
--- a/drivers/infiniband/hw/qib/qib_init.c
+++ b/drivers/infiniband/hw/qib/qib_init.c
@@ -92,9 +92,11 @@ unsigned long *qib_cpulist;
/* set number of contexts we'll actually use */
void qib_set_ctxtcnt(struct qib_devdata *dd)
{
- if (!qib_cfgctxts)
+ if (!qib_cfgctxts) {
dd->cfgctxts = dd->first_user_ctxt + num_online_cpus();
- else if (qib_cfgctxts < dd->num_pports)
+ if (dd->cfgctxts > dd->ctxtcnt)
+ dd->cfgctxts = dd->ctxtcnt;
+ } else if (qib_cfgctxts < dd->num_pports)
dd->cfgctxts = dd->ctxtcnt;
else if (qib_cfgctxts <= dd->ctxtcnt)
dd->cfgctxts = qib_cfgctxts;
diff --git a/drivers/infiniband/hw/qib/qib_intr.c b/drivers/infiniband/hw/qib/qib_intr.c
index 54a40828a106..a693c56ec8a6 100644
--- a/drivers/infiniband/hw/qib/qib_intr.c
+++ b/drivers/infiniband/hw/qib/qib_intr.c
@@ -131,7 +131,8 @@ void qib_handle_e_ibstatuschanged(struct qib_pportdata *ppd, u64 ibcs)
/* start a 75msec timer to clear symbol errors */
mod_timer(&ppd->symerr_clear_timer,
msecs_to_jiffies(75));
- } else if (ltstate == IB_PHYSPORTSTATE_LINKUP) {
+ } else if (ltstate == IB_PHYSPORTSTATE_LINKUP &&
+ !(ppd->lflags & QIBL_LINKACTIVE)) {
/* active, but not active defered */
qib_hol_up(ppd); /* useful only for 6120 now */
*ppd->statusp |=
diff --git a/drivers/infiniband/hw/qib/qib_keys.c b/drivers/infiniband/hw/qib/qib_keys.c
index 4b80eb153d57..8fd19a47df0c 100644
--- a/drivers/infiniband/hw/qib/qib_keys.c
+++ b/drivers/infiniband/hw/qib/qib_keys.c
@@ -136,7 +136,6 @@ int qib_lkey_ok(struct qib_lkey_table *rkt, struct qib_pd *pd,
struct qib_mregion *mr;
unsigned n, m;
size_t off;
- int ret = 0;
unsigned long flags;
/*
@@ -152,6 +151,8 @@ int qib_lkey_ok(struct qib_lkey_table *rkt, struct qib_pd *pd,
if (!dev->dma_mr)
goto bail;
atomic_inc(&dev->dma_mr->refcount);
+ spin_unlock_irqrestore(&rkt->lock, flags);
+
isge->mr = dev->dma_mr;
isge->vaddr = (void *) sge->addr;
isge->length = sge->length;
@@ -170,19 +171,34 @@ int qib_lkey_ok(struct qib_lkey_table *rkt, struct qib_pd *pd,
off + sge->length > mr->length ||
(mr->access_flags & acc) != acc))
goto bail;
+ atomic_inc(&mr->refcount);
+ spin_unlock_irqrestore(&rkt->lock, flags);
off += mr->offset;
- m = 0;
- n = 0;
- while (off >= mr->map[m]->segs[n].length) {
- off -= mr->map[m]->segs[n].length;
- n++;
- if (n >= QIB_SEGSZ) {
- m++;
- n = 0;
+ if (mr->page_shift) {
+ /*
+ page sizes are uniform power of 2 so no loop is necessary
+ entries_spanned_by_off is the number of times the loop below
+ would have executed.
+ */
+ size_t entries_spanned_by_off;
+
+ entries_spanned_by_off = off >> mr->page_shift;
+ off -= (entries_spanned_by_off << mr->page_shift);
+ m = entries_spanned_by_off/QIB_SEGSZ;
+ n = entries_spanned_by_off%QIB_SEGSZ;
+ } else {
+ m = 0;
+ n = 0;
+ while (off >= mr->map[m]->segs[n].length) {
+ off -= mr->map[m]->segs[n].length;
+ n++;
+ if (n >= QIB_SEGSZ) {
+ m++;
+ n = 0;
+ }
}
}
- atomic_inc(&mr->refcount);
isge->mr = mr;
isge->vaddr = mr->map[m]->segs[n].vaddr + off;
isge->length = mr->map[m]->segs[n].length - off;
@@ -190,10 +206,10 @@ int qib_lkey_ok(struct qib_lkey_table *rkt, struct qib_pd *pd,
isge->m = m;
isge->n = n;
ok:
- ret = 1;
+ return 1;
bail:
spin_unlock_irqrestore(&rkt->lock, flags);
- return ret;
+ return 0;
}
/**
@@ -214,7 +230,6 @@ int qib_rkey_ok(struct qib_qp *qp, struct qib_sge *sge,
struct qib_mregion *mr;
unsigned n, m;
size_t off;
- int ret = 0;
unsigned long flags;
/*
@@ -231,6 +246,8 @@ int qib_rkey_ok(struct qib_qp *qp, struct qib_sge *sge,
if (!dev->dma_mr)
goto bail;
atomic_inc(&dev->dma_mr->refcount);
+ spin_unlock_irqrestore(&rkt->lock, flags);
+
sge->mr = dev->dma_mr;
sge->vaddr = (void *) vaddr;
sge->length = len;
@@ -248,19 +265,34 @@ int qib_rkey_ok(struct qib_qp *qp, struct qib_sge *sge,
if (unlikely(vaddr < mr->iova || off + len > mr->length ||
(mr->access_flags & acc) == 0))
goto bail;
+ atomic_inc(&mr->refcount);
+ spin_unlock_irqrestore(&rkt->lock, flags);
off += mr->offset;
- m = 0;
- n = 0;
- while (off >= mr->map[m]->segs[n].length) {
- off -= mr->map[m]->segs[n].length;
- n++;
- if (n >= QIB_SEGSZ) {
- m++;
- n = 0;
+ if (mr->page_shift) {
+ /*
+ page sizes are uniform power of 2 so no loop is necessary
+ entries_spanned_by_off is the number of times the loop below
+ would have executed.
+ */
+ size_t entries_spanned_by_off;
+
+ entries_spanned_by_off = off >> mr->page_shift;
+ off -= (entries_spanned_by_off << mr->page_shift);
+ m = entries_spanned_by_off/QIB_SEGSZ;
+ n = entries_spanned_by_off%QIB_SEGSZ;
+ } else {
+ m = 0;
+ n = 0;
+ while (off >= mr->map[m]->segs[n].length) {
+ off -= mr->map[m]->segs[n].length;
+ n++;
+ if (n >= QIB_SEGSZ) {
+ m++;
+ n = 0;
+ }
}
}
- atomic_inc(&mr->refcount);
sge->mr = mr;
sge->vaddr = mr->map[m]->segs[n].vaddr + off;
sge->length = mr->map[m]->segs[n].length - off;
@@ -268,10 +300,10 @@ int qib_rkey_ok(struct qib_qp *qp, struct qib_sge *sge,
sge->m = m;
sge->n = n;
ok:
- ret = 1;
+ return 1;
bail:
spin_unlock_irqrestore(&rkt->lock, flags);
- return ret;
+ return 0;
}
/*
diff --git a/drivers/infiniband/hw/qib/qib_mad.c b/drivers/infiniband/hw/qib/qib_mad.c
index 94b0d1f3a8f0..5ad224e4a38b 100644
--- a/drivers/infiniband/hw/qib/qib_mad.c
+++ b/drivers/infiniband/hw/qib/qib_mad.c
@@ -668,8 +668,8 @@ static int subn_set_portinfo(struct ib_smp *smp, struct ib_device *ibdev,
lid = be16_to_cpu(pip->lid);
/* Must be a valid unicast LID address. */
if (lid == 0 || lid >= QIB_MULTICAST_LID_BASE)
- goto err;
- if (ppd->lid != lid || ppd->lmc != (pip->mkeyprot_resv_lmc & 7)) {
+ smp->status |= IB_SMP_INVALID_FIELD;
+ else if (ppd->lid != lid || ppd->lmc != (pip->mkeyprot_resv_lmc & 7)) {
if (ppd->lid != lid)
qib_set_uevent_bits(ppd, _QIB_EVENT_LID_CHANGE_BIT);
if (ppd->lmc != (pip->mkeyprot_resv_lmc & 7))
@@ -683,8 +683,8 @@ static int subn_set_portinfo(struct ib_smp *smp, struct ib_device *ibdev,
msl = pip->neighbormtu_mastersmsl & 0xF;
/* Must be a valid unicast LID address. */
if (smlid == 0 || smlid >= QIB_MULTICAST_LID_BASE)
- goto err;
- if (smlid != ibp->sm_lid || msl != ibp->sm_sl) {
+ smp->status |= IB_SMP_INVALID_FIELD;
+ else if (smlid != ibp->sm_lid || msl != ibp->sm_sl) {
spin_lock_irqsave(&ibp->lock, flags);
if (ibp->sm_ah) {
if (smlid != ibp->sm_lid)
@@ -707,8 +707,9 @@ static int subn_set_portinfo(struct ib_smp *smp, struct ib_device *ibdev,
if (lwe == 0xFF)
lwe = ppd->link_width_supported;
else if (lwe >= 16 || (lwe & ~ppd->link_width_supported))
- goto err;
- set_link_width_enabled(ppd, lwe);
+ smp->status |= IB_SMP_INVALID_FIELD;
+ else if (lwe != ppd->link_width_enabled)
+ set_link_width_enabled(ppd, lwe);
}
lse = pip->linkspeedactive_enabled & 0xF;
@@ -721,8 +722,9 @@ static int subn_set_portinfo(struct ib_smp *smp, struct ib_device *ibdev,
if (lse == 15)
lse = ppd->link_speed_supported;
else if (lse >= 8 || (lse & ~ppd->link_speed_supported))
- goto err;
- set_link_speed_enabled(ppd, lse);
+ smp->status |= IB_SMP_INVALID_FIELD;
+ else if (lse != ppd->link_speed_enabled)
+ set_link_speed_enabled(ppd, lse);
}
/* Set link down default state. */
@@ -738,7 +740,7 @@ static int subn_set_portinfo(struct ib_smp *smp, struct ib_device *ibdev,
IB_LINKINITCMD_POLL);
break;
default:
- goto err;
+ smp->status |= IB_SMP_INVALID_FIELD;
}
ibp->mkeyprot = pip->mkeyprot_resv_lmc >> 6;
@@ -748,15 +750,17 @@ static int subn_set_portinfo(struct ib_smp *smp, struct ib_device *ibdev,
mtu = ib_mtu_enum_to_int((pip->neighbormtu_mastersmsl >> 4) & 0xF);
if (mtu == -1)
- goto err;
- qib_set_mtu(ppd, mtu);
+ smp->status |= IB_SMP_INVALID_FIELD;
+ else
+ qib_set_mtu(ppd, mtu);
/* Set operational VLs */
vls = (pip->operationalvl_pei_peo_fpi_fpo >> 4) & 0xF;
if (vls) {
if (vls > ppd->vls_supported)
- goto err;
- (void) dd->f_set_ib_cfg(ppd, QIB_IB_CFG_OP_VLS, vls);
+ smp->status |= IB_SMP_INVALID_FIELD;
+ else
+ (void) dd->f_set_ib_cfg(ppd, QIB_IB_CFG_OP_VLS, vls);
}
if (pip->mkey_violations == 0)
@@ -770,10 +774,10 @@ static int subn_set_portinfo(struct ib_smp *smp, struct ib_device *ibdev,
ore = pip->localphyerrors_overrunerrors;
if (set_phyerrthreshold(ppd, (ore >> 4) & 0xF))
- goto err;
+ smp->status |= IB_SMP_INVALID_FIELD;
if (set_overrunthreshold(ppd, (ore & 0xF)))
- goto err;
+ smp->status |= IB_SMP_INVALID_FIELD;
ibp->subnet_timeout = pip->clientrereg_resv_subnetto & 0x1F;
@@ -792,7 +796,7 @@ static int subn_set_portinfo(struct ib_smp *smp, struct ib_device *ibdev,
state = pip->linkspeed_portstate & 0xF;
lstate = (pip->portphysstate_linkdown >> 4) & 0xF;
if (lstate && !(state == IB_PORT_DOWN || state == IB_PORT_NOP))
- goto err;
+ smp->status |= IB_SMP_INVALID_FIELD;
/*
* Only state changes of DOWN, ARM, and ACTIVE are valid
@@ -812,8 +816,10 @@ static int subn_set_portinfo(struct ib_smp *smp, struct ib_device *ibdev,
lstate = QIB_IB_LINKDOWN;
else if (lstate == 3)
lstate = QIB_IB_LINKDOWN_DISABLE;
- else
- goto err;
+ else {
+ smp->status |= IB_SMP_INVALID_FIELD;
+ break;
+ }
spin_lock_irqsave(&ppd->lflags_lock, flags);
ppd->lflags &= ~QIBL_LINKV;
spin_unlock_irqrestore(&ppd->lflags_lock, flags);
@@ -835,8 +841,7 @@ static int subn_set_portinfo(struct ib_smp *smp, struct ib_device *ibdev,
qib_set_linkstate(ppd, QIB_IB_LINKACTIVE);
break;
default:
- /* XXX We have already partially updated our state! */
- goto err;
+ smp->status |= IB_SMP_INVALID_FIELD;
}
ret = subn_get_portinfo(smp, ibdev, port);
diff --git a/drivers/infiniband/hw/qib/qib_mr.c b/drivers/infiniband/hw/qib/qib_mr.c
index 5f95f0f6385d..08944e2ee334 100644
--- a/drivers/infiniband/hw/qib/qib_mr.c
+++ b/drivers/infiniband/hw/qib/qib_mr.c
@@ -39,7 +39,6 @@
/* Fast memory region */
struct qib_fmr {
struct ib_fmr ibfmr;
- u8 page_shift;
struct qib_mregion mr; /* must be last */
};
@@ -107,6 +106,7 @@ static struct qib_mr *alloc_mr(int count, struct qib_lkey_table *lk_table)
goto bail;
}
mr->mr.mapsz = m;
+ mr->mr.page_shift = 0;
mr->mr.max_segs = count;
/*
@@ -231,6 +231,8 @@ struct ib_mr *qib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
mr->mr.access_flags = mr_access_flags;
mr->umem = umem;
+ if (is_power_of_2(umem->page_size))
+ mr->mr.page_shift = ilog2(umem->page_size);
m = 0;
n = 0;
list_for_each_entry(chunk, &umem->chunk_list, list) {
@@ -390,7 +392,7 @@ struct ib_fmr *qib_alloc_fmr(struct ib_pd *pd, int mr_access_flags,
fmr->mr.offset = 0;
fmr->mr.access_flags = mr_access_flags;
fmr->mr.max_segs = fmr_attr->max_pages;
- fmr->page_shift = fmr_attr->page_shift;
+ fmr->mr.page_shift = fmr_attr->page_shift;
atomic_set(&fmr->mr.refcount, 0);
ret = &fmr->ibfmr;
@@ -437,7 +439,7 @@ int qib_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list,
spin_lock_irqsave(&rkt->lock, flags);
fmr->mr.user_base = iova;
fmr->mr.iova = iova;
- ps = 1 << fmr->page_shift;
+ ps = 1 << fmr->mr.page_shift;
fmr->mr.length = list_len * ps;
m = 0;
n = 0;
diff --git a/drivers/infiniband/hw/qib/qib_qp.c b/drivers/infiniband/hw/qib/qib_qp.c
index 6c39851d2ded..e16751f8639e 100644
--- a/drivers/infiniband/hw/qib/qib_qp.c
+++ b/drivers/infiniband/hw/qib/qib_qp.c
@@ -48,13 +48,12 @@ static inline unsigned mk_qpn(struct qib_qpn_table *qpt,
static inline unsigned find_next_offset(struct qib_qpn_table *qpt,
struct qpn_map *map, unsigned off,
- unsigned r)
+ unsigned n)
{
if (qpt->mask) {
off++;
- if ((off & qpt->mask) >> 1 != r)
- off = ((off & qpt->mask) ?
- (off | qpt->mask) + 1 : off) | (r << 1);
+ if (((off & qpt->mask) >> 1) >= n)
+ off = (off | qpt->mask) + 2;
} else
off = find_next_zero_bit(map->page, BITS_PER_PAGE, off);
return off;
@@ -123,7 +122,6 @@ static int alloc_qpn(struct qib_devdata *dd, struct qib_qpn_table *qpt,
u32 i, offset, max_scan, qpn;
struct qpn_map *map;
u32 ret;
- int r;
if (type == IB_QPT_SMI || type == IB_QPT_GSI) {
unsigned n;
@@ -139,15 +137,11 @@ static int alloc_qpn(struct qib_devdata *dd, struct qib_qpn_table *qpt,
goto bail;
}
- r = smp_processor_id();
- if (r >= dd->n_krcv_queues)
- r %= dd->n_krcv_queues;
- qpn = qpt->last + 1;
+ qpn = qpt->last + 2;
if (qpn >= QPN_MAX)
qpn = 2;
- if (qpt->mask && ((qpn & qpt->mask) >> 1) != r)
- qpn = ((qpn & qpt->mask) ? (qpn | qpt->mask) + 1 : qpn) |
- (r << 1);
+ if (qpt->mask && ((qpn & qpt->mask) >> 1) >= dd->n_krcv_queues)
+ qpn = (qpn | qpt->mask) + 2;
offset = qpn & BITS_PER_PAGE_MASK;
map = &qpt->map[qpn / BITS_PER_PAGE];
max_scan = qpt->nmaps - !offset;
@@ -163,7 +157,8 @@ static int alloc_qpn(struct qib_devdata *dd, struct qib_qpn_table *qpt,
ret = qpn;
goto bail;
}
- offset = find_next_offset(qpt, map, offset, r);
+ offset = find_next_offset(qpt, map, offset,
+ dd->n_krcv_queues);
qpn = mk_qpn(qpt, map, offset);
/*
* This test differs from alloc_pidmap().
@@ -183,13 +178,13 @@ static int alloc_qpn(struct qib_devdata *dd, struct qib_qpn_table *qpt,
if (qpt->nmaps == QPNMAP_ENTRIES)
break;
map = &qpt->map[qpt->nmaps++];
- offset = qpt->mask ? (r << 1) : 0;
+ offset = 0;
} else if (map < &qpt->map[qpt->nmaps]) {
++map;
- offset = qpt->mask ? (r << 1) : 0;
+ offset = 0;
} else {
map = &qpt->map[0];
- offset = qpt->mask ? (r << 1) : 2;
+ offset = 2;
}
qpn = mk_qpn(qpt, map, offset);
}
@@ -468,6 +463,10 @@ int qib_error_qp(struct qib_qp *qp, enum ib_wc_status err)
qp->s_flags &= ~(QIB_S_TIMER | QIB_S_WAIT_RNR);
del_timer(&qp->s_timer);
}
+
+ if (qp->s_flags & QIB_S_ANY_WAIT_SEND)
+ qp->s_flags &= ~QIB_S_ANY_WAIT_SEND;
+
spin_lock(&dev->pending_lock);
if (!list_empty(&qp->iowait) && !(qp->s_flags & QIB_S_BUSY)) {
qp->s_flags &= ~QIB_S_ANY_WAIT_IO;
@@ -1061,7 +1060,6 @@ struct ib_qp *qib_create_qp(struct ib_pd *ibpd,
}
qp->ibqp.qp_num = err;
qp->port_num = init_attr->port_num;
- qp->processor_id = smp_processor_id();
qib_reset_qp(qp, init_attr->qp_type);
break;
diff --git a/drivers/infiniband/hw/qib/qib_rc.c b/drivers/infiniband/hw/qib/qib_rc.c
index 955fb7157793..8245237b67ce 100644
--- a/drivers/infiniband/hw/qib/qib_rc.c
+++ b/drivers/infiniband/hw/qib/qib_rc.c
@@ -1407,6 +1407,7 @@ static void qib_rc_rcv_resp(struct qib_ibport *ibp,
struct qib_ctxtdata *rcd)
{
struct qib_swqe *wqe;
+ struct qib_pportdata *ppd = ppd_from_ibp(ibp);
enum ib_wc_status status;
unsigned long flags;
int diff;
@@ -1414,6 +1415,29 @@ static void qib_rc_rcv_resp(struct qib_ibport *ibp,
u32 aeth;
u64 val;
+ if (opcode != OP(RDMA_READ_RESPONSE_MIDDLE)) {
+ /*
+ * If ACK'd PSN on SDMA busy list try to make progress to
+ * reclaim SDMA credits.
+ */
+ if ((qib_cmp24(psn, qp->s_sending_psn) >= 0) &&
+ (qib_cmp24(qp->s_sending_psn, qp->s_sending_hpsn) <= 0)) {
+
+ /*
+ * If send tasklet not running attempt to progress
+ * SDMA queue.
+ */
+ if (!(qp->s_flags & QIB_S_BUSY)) {
+ /* Acquire SDMA Lock */
+ spin_lock_irqsave(&ppd->sdma_lock, flags);
+ /* Invoke sdma make progress */
+ qib_sdma_make_progress(ppd);
+ /* Release SDMA Lock */
+ spin_unlock_irqrestore(&ppd->sdma_lock, flags);
+ }
+ }
+ }
+
spin_lock_irqsave(&qp->s_lock, flags);
/* Ignore invalid responses. */
diff --git a/drivers/infiniband/hw/qib/qib_ud.c b/drivers/infiniband/hw/qib/qib_ud.c
index e1b3da2a1f85..4a51fd1e9cb7 100644
--- a/drivers/infiniband/hw/qib/qib_ud.c
+++ b/drivers/infiniband/hw/qib/qib_ud.c
@@ -445,13 +445,14 @@ void qib_ud_rcv(struct qib_ibport *ibp, struct qib_ib_header *hdr,
qkey = be32_to_cpu(ohdr->u.ud.deth[0]);
src_qp = be32_to_cpu(ohdr->u.ud.deth[1]) & QIB_QPN_MASK;
- /* Get the number of bytes the message was padded by. */
+ /*
+ * Get the number of bytes the message was padded by
+ * and drop incomplete packets.
+ */
pad = (be32_to_cpu(ohdr->bth[0]) >> 20) & 3;
- if (unlikely(tlen < (hdrsize + pad + 4))) {
- /* Drop incomplete packets. */
- ibp->n_pkt_drops++;
- goto bail;
- }
+ if (unlikely(tlen < (hdrsize + pad + 4)))
+ goto drop;
+
tlen -= hdrsize + pad + 4;
/*
@@ -460,10 +461,8 @@ void qib_ud_rcv(struct qib_ibport *ibp, struct qib_ib_header *hdr,
*/
if (qp->ibqp.qp_num) {
if (unlikely(hdr->lrh[1] == IB_LID_PERMISSIVE ||
- hdr->lrh[3] == IB_LID_PERMISSIVE)) {
- ibp->n_pkt_drops++;
- goto bail;
- }
+ hdr->lrh[3] == IB_LID_PERMISSIVE))
+ goto drop;
if (qp->ibqp.qp_num > 1) {
u16 pkey1, pkey2;
@@ -476,7 +475,7 @@ void qib_ud_rcv(struct qib_ibport *ibp, struct qib_ib_header *hdr,
0xF,
src_qp, qp->ibqp.qp_num,
hdr->lrh[3], hdr->lrh[1]);
- goto bail;
+ return;
}
}
if (unlikely(qkey != qp->qkey)) {
@@ -484,30 +483,24 @@ void qib_ud_rcv(struct qib_ibport *ibp, struct qib_ib_header *hdr,
(be16_to_cpu(hdr->lrh[0]) >> 4) & 0xF,
src_qp, qp->ibqp.qp_num,
hdr->lrh[3], hdr->lrh[1]);
- goto bail;
+ return;
}
/* Drop invalid MAD packets (see 13.5.3.1). */
if (unlikely(qp->ibqp.qp_num == 1 &&
(tlen != 256 ||
- (be16_to_cpu(hdr->lrh[0]) >> 12) == 15))) {
- ibp->n_pkt_drops++;
- goto bail;
- }
+ (be16_to_cpu(hdr->lrh[0]) >> 12) == 15)))
+ goto drop;
} else {
struct ib_smp *smp;
/* Drop invalid MAD packets (see 13.5.3.1). */
- if (tlen != 256 || (be16_to_cpu(hdr->lrh[0]) >> 12) != 15) {
- ibp->n_pkt_drops++;
- goto bail;
- }
+ if (tlen != 256 || (be16_to_cpu(hdr->lrh[0]) >> 12) != 15)
+ goto drop;
smp = (struct ib_smp *) data;
if ((hdr->lrh[1] == IB_LID_PERMISSIVE ||
hdr->lrh[3] == IB_LID_PERMISSIVE) &&
- smp->mgmt_class != IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) {
- ibp->n_pkt_drops++;
- goto bail;
- }
+ smp->mgmt_class != IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)
+ goto drop;
}
/*
@@ -519,14 +512,12 @@ void qib_ud_rcv(struct qib_ibport *ibp, struct qib_ib_header *hdr,
opcode == IB_OPCODE_UD_SEND_ONLY_WITH_IMMEDIATE) {
wc.ex.imm_data = ohdr->u.ud.imm_data;
wc.wc_flags = IB_WC_WITH_IMM;
- hdrsize += sizeof(u32);
+ tlen -= sizeof(u32);
} else if (opcode == IB_OPCODE_UD_SEND_ONLY) {
wc.ex.imm_data = 0;
wc.wc_flags = 0;
- } else {
- ibp->n_pkt_drops++;
- goto bail;
- }
+ } else
+ goto drop;
/*
* A GRH is expected to preceed the data even if not
@@ -556,8 +547,7 @@ void qib_ud_rcv(struct qib_ibport *ibp, struct qib_ib_header *hdr,
/* Silently drop packets which are too big. */
if (unlikely(wc.byte_len > qp->r_len)) {
qp->r_flags |= QIB_R_REUSE_SGE;
- ibp->n_pkt_drops++;
- return;
+ goto drop;
}
if (has_grh) {
qib_copy_sge(&qp->r_sge, &hdr->u.l.grh,
@@ -594,5 +584,8 @@ void qib_ud_rcv(struct qib_ibport *ibp, struct qib_ib_header *hdr,
qib_cq_enter(to_icq(qp->ibqp.recv_cq), &wc,
(ohdr->bth[0] &
cpu_to_be32(IB_BTH_SOLICITED)) != 0);
-bail:;
+ return;
+
+drop:
+ ibp->n_pkt_drops++;
}
diff --git a/drivers/infiniband/hw/qib/qib_user_sdma.c b/drivers/infiniband/hw/qib/qib_user_sdma.c
index 4c19e06b5e85..66208bcd7c13 100644
--- a/drivers/infiniband/hw/qib/qib_user_sdma.c
+++ b/drivers/infiniband/hw/qib/qib_user_sdma.c
@@ -382,6 +382,7 @@ static void qib_user_sdma_free_pkt_list(struct device *dev,
kmem_cache_free(pq->pkt_slab, pkt);
}
+ INIT_LIST_HEAD(list);
}
/*
diff --git a/drivers/infiniband/hw/qib/qib_verbs.h b/drivers/infiniband/hw/qib/qib_verbs.h
index bd57c1273225..63b22a9a7feb 100644
--- a/drivers/infiniband/hw/qib/qib_verbs.h
+++ b/drivers/infiniband/hw/qib/qib_verbs.h
@@ -301,6 +301,7 @@ struct qib_mregion {
int access_flags;
u32 max_segs; /* number of qib_segs in all the arrays */
u32 mapsz; /* size of the map array */
+ u8 page_shift; /* 0 - non unform/non powerof2 sizes */
atomic_t refcount;
struct qib_segarray *map[0]; /* the segments */
};
@@ -435,7 +436,6 @@ struct qib_qp {
spinlock_t r_lock; /* used for APM */
spinlock_t s_lock;
atomic_t s_dma_busy;
- unsigned processor_id; /* Processor ID QP is bound to */
u32 s_flags;
u32 s_cur_size; /* size of send packet in bytes */
u32 s_len; /* total length of s_sge */
@@ -813,13 +813,8 @@ extern struct workqueue_struct *qib_cq_wq;
*/
static inline void qib_schedule_send(struct qib_qp *qp)
{
- if (qib_send_ok(qp)) {
- if (qp->processor_id == smp_processor_id())
- queue_work(qib_wq, &qp->s_work);
- else
- queue_work_on(qp->processor_id,
- qib_wq, &qp->s_work);
- }
+ if (qib_send_ok(qp))
+ queue_work(qib_wq, &qp->s_work);
}
static inline int qib_pkey_ok(u16 pkey1, u16 pkey2)