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-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_provider.c6
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_qp.c1
-rw-r--r--drivers/infiniband/hw/ehca/ehca_classes.h4
-rw-r--r--drivers/infiniband/hw/ehca/ehca_irq.c44
-rw-r--r--drivers/infiniband/hw/ehca/ehca_main.c3
-rw-r--r--drivers/infiniband/hw/ehca/ehca_qp.c31
-rw-r--r--drivers/infiniband/hw/ehca/ehca_reqs.c51
-rw-r--r--drivers/infiniband/hw/ipath/ipath_ruc.c10
-rw-r--r--drivers/infiniband/hw/mlx4/cq.c5
-rw-r--r--drivers/infiniband/hw/mlx4/mr.c1
-rw-r--r--drivers/infiniband/hw/nes/nes.c16
-rw-r--r--drivers/infiniband/hw/nes/nes_hw.h1
-rw-r--r--drivers/infiniband/hw/nes/nes_verbs.c64
13 files changed, 158 insertions, 79 deletions
diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c
index ecff98043589..160ef482712d 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_provider.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c
@@ -1102,9 +1102,7 @@ static u64 fw_vers_string_to_u64(struct iwch_dev *iwch_dev)
char *cp, *next;
unsigned fw_maj, fw_min, fw_mic;
- rtnl_lock();
lldev->ethtool_ops->get_drvinfo(lldev, &info);
- rtnl_unlock();
next = info.fw_version + 1;
cp = strsep(&next, ".");
@@ -1192,9 +1190,7 @@ static ssize_t show_fw_ver(struct device *dev, struct device_attribute *attr, ch
struct net_device *lldev = iwch_dev->rdev.t3cdev_p->lldev;
PDBG("%s dev 0x%p\n", __func__, dev);
- rtnl_lock();
lldev->ethtool_ops->get_drvinfo(lldev, &info);
- rtnl_unlock();
return sprintf(buf, "%s\n", info.fw_version);
}
@@ -1207,9 +1203,7 @@ static ssize_t show_hca(struct device *dev, struct device_attribute *attr,
struct net_device *lldev = iwch_dev->rdev.t3cdev_p->lldev;
PDBG("%s dev 0x%p\n", __func__, dev);
- rtnl_lock();
lldev->ethtool_ops->get_drvinfo(lldev, &info);
- rtnl_unlock();
return sprintf(buf, "%s\n", info.driver);
}
diff --git a/drivers/infiniband/hw/cxgb3/iwch_qp.c b/drivers/infiniband/hw/cxgb3/iwch_qp.c
index 3e4585c2318a..19661b2f0406 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_qp.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_qp.c
@@ -745,7 +745,6 @@ int iwch_post_zb_read(struct iwch_qp *qhp)
wqe->read.rdmaop = T3_READ_REQ;
wqe->read.reserved[0] = 0;
wqe->read.reserved[1] = 0;
- wqe->read.reserved[2] = 0;
wqe->read.rem_stag = cpu_to_be32(1);
wqe->read.rem_to = cpu_to_be64(1);
wqe->read.local_stag = cpu_to_be32(1);
diff --git a/drivers/infiniband/hw/ehca/ehca_classes.h b/drivers/infiniband/hw/ehca/ehca_classes.h
index 4df887af66a5..7fc35cf0cddf 100644
--- a/drivers/infiniband/hw/ehca/ehca_classes.h
+++ b/drivers/infiniband/hw/ehca/ehca_classes.h
@@ -163,7 +163,8 @@ struct ehca_mod_qp_parm {
/* struct for tracking if cqes have been reported to the application */
struct ehca_qmap_entry {
u16 app_wr_id;
- u16 reported;
+ u8 reported;
+ u8 cqe_req;
};
struct ehca_queue_map {
@@ -171,6 +172,7 @@ struct ehca_queue_map {
unsigned int entries;
unsigned int tail;
unsigned int left_to_poll;
+ unsigned int next_wqe_idx; /* Idx to first wqe to be flushed */
};
struct ehca_qp {
diff --git a/drivers/infiniband/hw/ehca/ehca_irq.c b/drivers/infiniband/hw/ehca/ehca_irq.c
index cb55be04442c..757035ea246f 100644
--- a/drivers/infiniband/hw/ehca/ehca_irq.c
+++ b/drivers/infiniband/hw/ehca/ehca_irq.c
@@ -359,36 +359,48 @@ static void notify_port_conf_change(struct ehca_shca *shca, int port_num)
*old_attr = new_attr;
}
+/* replay modify_qp for sqps -- return 0 if all is well, 1 if AQP1 destroyed */
+static int replay_modify_qp(struct ehca_sport *sport)
+{
+ int aqp1_destroyed;
+ unsigned long flags;
+
+ spin_lock_irqsave(&sport->mod_sqp_lock, flags);
+
+ aqp1_destroyed = !sport->ibqp_sqp[IB_QPT_GSI];
+
+ if (sport->ibqp_sqp[IB_QPT_SMI])
+ ehca_recover_sqp(sport->ibqp_sqp[IB_QPT_SMI]);
+ if (!aqp1_destroyed)
+ ehca_recover_sqp(sport->ibqp_sqp[IB_QPT_GSI]);
+
+ spin_unlock_irqrestore(&sport->mod_sqp_lock, flags);
+
+ return aqp1_destroyed;
+}
+
static void parse_ec(struct ehca_shca *shca, u64 eqe)
{
u8 ec = EHCA_BMASK_GET(NEQE_EVENT_CODE, eqe);
u8 port = EHCA_BMASK_GET(NEQE_PORT_NUMBER, eqe);
u8 spec_event;
struct ehca_sport *sport = &shca->sport[port - 1];
- unsigned long flags;
switch (ec) {
case 0x30: /* port availability change */
if (EHCA_BMASK_GET(NEQE_PORT_AVAILABILITY, eqe)) {
- int suppress_event;
- /* replay modify_qp for sqps */
- spin_lock_irqsave(&sport->mod_sqp_lock, flags);
- suppress_event = !sport->ibqp_sqp[IB_QPT_GSI];
- if (sport->ibqp_sqp[IB_QPT_SMI])
- ehca_recover_sqp(sport->ibqp_sqp[IB_QPT_SMI]);
- if (!suppress_event)
- ehca_recover_sqp(sport->ibqp_sqp[IB_QPT_GSI]);
- spin_unlock_irqrestore(&sport->mod_sqp_lock, flags);
-
- /* AQP1 was destroyed, ignore this event */
- if (suppress_event)
- break;
+ /* only replay modify_qp calls in autodetect mode;
+ * if AQP1 was destroyed, the port is already down
+ * again and we can drop the event.
+ */
+ if (ehca_nr_ports < 0)
+ if (replay_modify_qp(sport))
+ break;
sport->port_state = IB_PORT_ACTIVE;
dispatch_port_event(shca, port, IB_EVENT_PORT_ACTIVE,
"is active");
- ehca_query_sma_attr(shca, port,
- &sport->saved_attr);
+ ehca_query_sma_attr(shca, port, &sport->saved_attr);
} else {
sport->port_state = IB_PORT_DOWN;
dispatch_port_event(shca, port, IB_EVENT_PORT_ERR,
diff --git a/drivers/infiniband/hw/ehca/ehca_main.c b/drivers/infiniband/hw/ehca/ehca_main.c
index bb02a86aa526..bec7e0249358 100644
--- a/drivers/infiniband/hw/ehca/ehca_main.c
+++ b/drivers/infiniband/hw/ehca/ehca_main.c
@@ -994,8 +994,7 @@ static int ehca_mem_notifier(struct notifier_block *nb,
if (printk_timed_ratelimit(&ehca_dmem_warn_time,
30 * 1000))
ehca_gen_err("DMEM operations are not allowed"
- "as long as an ehca adapter is"
- "attached to the LPAR");
+ "in conjunction with eHCA");
return NOTIFY_BAD;
}
}
diff --git a/drivers/infiniband/hw/ehca/ehca_qp.c b/drivers/infiniband/hw/ehca/ehca_qp.c
index 4d54b9f64567..cadbf0cdd910 100644
--- a/drivers/infiniband/hw/ehca/ehca_qp.c
+++ b/drivers/infiniband/hw/ehca/ehca_qp.c
@@ -435,9 +435,13 @@ static void reset_queue_map(struct ehca_queue_map *qmap)
{
int i;
- qmap->tail = 0;
- for (i = 0; i < qmap->entries; i++)
+ qmap->tail = qmap->entries - 1;
+ qmap->left_to_poll = 0;
+ qmap->next_wqe_idx = 0;
+ for (i = 0; i < qmap->entries; i++) {
qmap->map[i].reported = 1;
+ qmap->map[i].cqe_req = 0;
+ }
}
/*
@@ -860,6 +864,11 @@ static struct ehca_qp *internal_create_qp(
if (qp_type == IB_QPT_GSI) {
h_ret = ehca_define_sqp(shca, my_qp, init_attr);
if (h_ret != H_SUCCESS) {
+ kfree(my_qp->mod_qp_parm);
+ my_qp->mod_qp_parm = NULL;
+ /* the QP pointer is no longer valid */
+ shca->sport[init_attr->port_num - 1].ibqp_sqp[qp_type] =
+ NULL;
ret = ehca2ib_return_code(h_ret);
goto create_qp_exit6;
}
@@ -1116,6 +1125,7 @@ static int calc_left_cqes(u64 wqe_p, struct ipz_queue *ipz_queue,
void *wqe_v;
u64 q_ofs;
u32 wqe_idx;
+ unsigned int tail_idx;
/* convert real to abs address */
wqe_p = wqe_p & (~(1UL << 63));
@@ -1128,12 +1138,17 @@ static int calc_left_cqes(u64 wqe_p, struct ipz_queue *ipz_queue,
return -EFAULT;
}
+ tail_idx = (qmap->tail + 1) % qmap->entries;
wqe_idx = q_ofs / ipz_queue->qe_size;
- if (wqe_idx < qmap->tail)
- qmap->left_to_poll = (qmap->entries - qmap->tail) + wqe_idx;
- else
- qmap->left_to_poll = wqe_idx - qmap->tail;
+ /* check all processed wqes, whether a cqe is requested or not */
+ while (tail_idx != wqe_idx) {
+ if (qmap->map[tail_idx].cqe_req)
+ qmap->left_to_poll++;
+ tail_idx = (tail_idx + 1) % qmap->entries;
+ }
+ /* save index in queue, where we have to start flushing */
+ qmap->next_wqe_idx = wqe_idx;
return 0;
}
@@ -1180,10 +1195,14 @@ static int check_for_left_cqes(struct ehca_qp *my_qp, struct ehca_shca *shca)
} else {
spin_lock_irqsave(&my_qp->send_cq->spinlock, flags);
my_qp->sq_map.left_to_poll = 0;
+ my_qp->sq_map.next_wqe_idx = (my_qp->sq_map.tail + 1) %
+ my_qp->sq_map.entries;
spin_unlock_irqrestore(&my_qp->send_cq->spinlock, flags);
spin_lock_irqsave(&my_qp->recv_cq->spinlock, flags);
my_qp->rq_map.left_to_poll = 0;
+ my_qp->rq_map.next_wqe_idx = (my_qp->rq_map.tail + 1) %
+ my_qp->rq_map.entries;
spin_unlock_irqrestore(&my_qp->recv_cq->spinlock, flags);
}
diff --git a/drivers/infiniband/hw/ehca/ehca_reqs.c b/drivers/infiniband/hw/ehca/ehca_reqs.c
index 64928079eafa..00a648f4316c 100644
--- a/drivers/infiniband/hw/ehca/ehca_reqs.c
+++ b/drivers/infiniband/hw/ehca/ehca_reqs.c
@@ -179,6 +179,7 @@ static inline int ehca_write_swqe(struct ehca_qp *qp,
qmap_entry->app_wr_id = get_app_wr_id(send_wr->wr_id);
qmap_entry->reported = 0;
+ qmap_entry->cqe_req = 0;
switch (send_wr->opcode) {
case IB_WR_SEND:
@@ -203,8 +204,10 @@ static inline int ehca_write_swqe(struct ehca_qp *qp,
if ((send_wr->send_flags & IB_SEND_SIGNALED ||
qp->init_attr.sq_sig_type == IB_SIGNAL_ALL_WR)
- && !hidden)
+ && !hidden) {
wqe_p->wr_flag |= WQE_WRFLAG_REQ_SIGNAL_COM;
+ qmap_entry->cqe_req = 1;
+ }
if (send_wr->opcode == IB_WR_SEND_WITH_IMM ||
send_wr->opcode == IB_WR_RDMA_WRITE_WITH_IMM) {
@@ -569,6 +572,7 @@ static int internal_post_recv(struct ehca_qp *my_qp,
qmap_entry = &my_qp->rq_map.map[rq_map_idx];
qmap_entry->app_wr_id = get_app_wr_id(cur_recv_wr->wr_id);
qmap_entry->reported = 0;
+ qmap_entry->cqe_req = 1;
wqe_cnt++;
} /* eof for cur_recv_wr */
@@ -706,27 +710,34 @@ repoll:
goto repoll;
wc->qp = &my_qp->ib_qp;
+ qmap_tail_idx = get_app_wr_id(cqe->work_request_id);
+ if (!(cqe->w_completion_flags & WC_SEND_RECEIVE_BIT))
+ /* We got a send completion. */
+ qmap = &my_qp->sq_map;
+ else
+ /* We got a receive completion. */
+ qmap = &my_qp->rq_map;
+
+ /* advance the tail pointer */
+ qmap->tail = qmap_tail_idx;
+
if (is_error) {
/*
* set left_to_poll to 0 because in error state, we will not
* get any additional CQEs
*/
- ehca_add_to_err_list(my_qp, 1);
+ my_qp->sq_map.next_wqe_idx = (my_qp->sq_map.tail + 1) %
+ my_qp->sq_map.entries;
my_qp->sq_map.left_to_poll = 0;
+ ehca_add_to_err_list(my_qp, 1);
+ my_qp->rq_map.next_wqe_idx = (my_qp->rq_map.tail + 1) %
+ my_qp->rq_map.entries;
+ my_qp->rq_map.left_to_poll = 0;
if (HAS_RQ(my_qp))
ehca_add_to_err_list(my_qp, 0);
- my_qp->rq_map.left_to_poll = 0;
}
- qmap_tail_idx = get_app_wr_id(cqe->work_request_id);
- if (!(cqe->w_completion_flags & WC_SEND_RECEIVE_BIT))
- /* We got a send completion. */
- qmap = &my_qp->sq_map;
- else
- /* We got a receive completion. */
- qmap = &my_qp->rq_map;
-
qmap_entry = &qmap->map[qmap_tail_idx];
if (qmap_entry->reported) {
ehca_warn(cq->device, "Double cqe on qp_num=%#x",
@@ -738,10 +749,6 @@ repoll:
wc->wr_id = replace_wr_id(cqe->work_request_id, qmap_entry->app_wr_id);
qmap_entry->reported = 1;
- /* this is a proper completion, we need to advance the tail pointer */
- if (++qmap->tail == qmap->entries)
- qmap->tail = 0;
-
/* if left_to_poll is decremented to 0, add the QP to the error list */
if (qmap->left_to_poll > 0) {
qmap->left_to_poll--;
@@ -805,13 +812,14 @@ static int generate_flush_cqes(struct ehca_qp *my_qp, struct ib_cq *cq,
else
qmap = &my_qp->rq_map;
- qmap_entry = &qmap->map[qmap->tail];
+ qmap_entry = &qmap->map[qmap->next_wqe_idx];
while ((nr < num_entries) && (qmap_entry->reported == 0)) {
/* generate flush CQE */
+
memset(wc, 0, sizeof(*wc));
- offset = qmap->tail * ipz_queue->qe_size;
+ offset = qmap->next_wqe_idx * ipz_queue->qe_size;
wqe = (struct ehca_wqe *)ipz_qeit_calc(ipz_queue, offset);
if (!wqe) {
ehca_err(cq->device, "Invalid wqe offset=%#lx on "
@@ -850,11 +858,12 @@ static int generate_flush_cqes(struct ehca_qp *my_qp, struct ib_cq *cq,
wc->qp = &my_qp->ib_qp;
- /* mark as reported and advance tail pointer */
+ /* mark as reported and advance next_wqe pointer */
qmap_entry->reported = 1;
- if (++qmap->tail == qmap->entries)
- qmap->tail = 0;
- qmap_entry = &qmap->map[qmap->tail];
+ qmap->next_wqe_idx++;
+ if (qmap->next_wqe_idx == qmap->entries)
+ qmap->next_wqe_idx = 0;
+ qmap_entry = &qmap->map[qmap->next_wqe_idx];
wc++; nr++;
}
diff --git a/drivers/infiniband/hw/ipath/ipath_ruc.c b/drivers/infiniband/hw/ipath/ipath_ruc.c
index fc0f6d9e6030..2296832f94da 100644
--- a/drivers/infiniband/hw/ipath/ipath_ruc.c
+++ b/drivers/infiniband/hw/ipath/ipath_ruc.c
@@ -156,7 +156,7 @@ bail:
/**
* ipath_get_rwqe - copy the next RWQE into the QP's RWQE
* @qp: the QP
- * @wr_id_only: update wr_id only, not SGEs
+ * @wr_id_only: update qp->r_wr_id only, not qp->r_sge
*
* Return 0 if no RWQE is available, otherwise return 1.
*
@@ -173,8 +173,6 @@ int ipath_get_rwqe(struct ipath_qp *qp, int wr_id_only)
u32 tail;
int ret;
- qp->r_sge.sg_list = qp->r_sg_list;
-
if (qp->ibqp.srq) {
srq = to_isrq(qp->ibqp.srq);
handler = srq->ibsrq.event_handler;
@@ -206,8 +204,10 @@ int ipath_get_rwqe(struct ipath_qp *qp, int wr_id_only)
wqe = get_rwqe_ptr(rq, tail);
if (++tail >= rq->size)
tail = 0;
- } while (!wr_id_only && !ipath_init_sge(qp, wqe, &qp->r_len,
- &qp->r_sge));
+ if (wr_id_only)
+ break;
+ qp->r_sge.sg_list = qp->r_sg_list;
+ } while (!ipath_init_sge(qp, wqe, &qp->r_len, &qp->r_sge));
qp->r_wr_id = wqe->wr_id;
wq->tail = tail;
diff --git a/drivers/infiniband/hw/mlx4/cq.c b/drivers/infiniband/hw/mlx4/cq.c
index d0866a3636e2..18308494a195 100644
--- a/drivers/infiniband/hw/mlx4/cq.c
+++ b/drivers/infiniband/hw/mlx4/cq.c
@@ -343,6 +343,7 @@ int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata)
{
struct mlx4_ib_dev *dev = to_mdev(ibcq->device);
struct mlx4_ib_cq *cq = to_mcq(ibcq);
+ struct mlx4_mtt mtt;
int outst_cqe;
int err;
@@ -376,10 +377,13 @@ int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata)
goto out;
}
+ mtt = cq->buf.mtt;
+
err = mlx4_cq_resize(dev->dev, &cq->mcq, entries, &cq->resize_buf->buf.mtt);
if (err)
goto err_buf;
+ mlx4_mtt_cleanup(dev->dev, &mtt);
if (ibcq->uobject) {
cq->buf = cq->resize_buf->buf;
cq->ibcq.cqe = cq->resize_buf->cqe;
@@ -406,6 +410,7 @@ int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata)
goto out;
err_buf:
+ mlx4_mtt_cleanup(dev->dev, &cq->resize_buf->buf.mtt);
if (!ibcq->uobject)
mlx4_ib_free_cq_buf(dev, &cq->resize_buf->buf,
cq->resize_buf->cqe);
diff --git a/drivers/infiniband/hw/mlx4/mr.c b/drivers/infiniband/hw/mlx4/mr.c
index 87f5c5a87b98..8e4d26d56a95 100644
--- a/drivers/infiniband/hw/mlx4/mr.c
+++ b/drivers/infiniband/hw/mlx4/mr.c
@@ -205,6 +205,7 @@ struct ib_mr *mlx4_ib_alloc_fast_reg_mr(struct ib_pd *pd,
goto err_mr;
mr->ibmr.rkey = mr->ibmr.lkey = mr->mmr.key;
+ mr->umem = NULL;
return &mr->ibmr;
diff --git a/drivers/infiniband/hw/nes/nes.c b/drivers/infiniband/hw/nes/nes.c
index a2b04d62b1a4..aa1dc41f04c8 100644
--- a/drivers/infiniband/hw/nes/nes.c
+++ b/drivers/infiniband/hw/nes/nes.c
@@ -95,6 +95,10 @@ unsigned int wqm_quanta = 0x10000;
module_param(wqm_quanta, int, 0644);
MODULE_PARM_DESC(wqm_quanta, "WQM quanta");
+static unsigned int limit_maxrdreqsz;
+module_param(limit_maxrdreqsz, bool, 0644);
+MODULE_PARM_DESC(limit_maxrdreqsz, "Limit max read request size to 256 Bytes");
+
LIST_HEAD(nes_adapter_list);
static LIST_HEAD(nes_dev_list);
@@ -588,6 +592,18 @@ static int __devinit nes_probe(struct pci_dev *pcidev, const struct pci_device_i
nesdev->nesadapter->port_count;
}
+ if ((limit_maxrdreqsz ||
+ ((nesdev->nesadapter->phy_type[0] == NES_PHY_TYPE_GLADIUS) &&
+ (hw_rev == NE020_REV1))) &&
+ (pcie_get_readrq(pcidev) > 256)) {
+ if (pcie_set_readrq(pcidev, 256))
+ printk(KERN_ERR PFX "Unable to set max read request"
+ " to 256 bytes\n");
+ else
+ nes_debug(NES_DBG_INIT, "Max read request size set"
+ " to 256 bytes\n");
+ }
+
tasklet_init(&nesdev->dpc_tasklet, nes_dpc, (unsigned long)nesdev);
/* bring up the Control QP */
diff --git a/drivers/infiniband/hw/nes/nes_hw.h b/drivers/infiniband/hw/nes/nes_hw.h
index 610b9d859597..bc0b4de04450 100644
--- a/drivers/infiniband/hw/nes/nes_hw.h
+++ b/drivers/infiniband/hw/nes/nes_hw.h
@@ -40,6 +40,7 @@
#define NES_PHY_TYPE_ARGUS 4
#define NES_PHY_TYPE_PUMA_1G 5
#define NES_PHY_TYPE_PUMA_10G 6
+#define NES_PHY_TYPE_GLADIUS 7
#define NES_MULTICAST_PF_MAX 8
diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c
index 932e56fcf774..d36c9a0bf1bb 100644
--- a/drivers/infiniband/hw/nes/nes_verbs.c
+++ b/drivers/infiniband/hw/nes/nes_verbs.c
@@ -220,14 +220,14 @@ static int nes_bind_mw(struct ib_qp *ibqp, struct ib_mw *ibmw,
if (nesqp->ibqp_state > IB_QPS_RTS)
return -EINVAL;
- spin_lock_irqsave(&nesqp->lock, flags);
+ spin_lock_irqsave(&nesqp->lock, flags);
head = nesqp->hwqp.sq_head;
qsize = nesqp->hwqp.sq_tail;
/* Check for SQ overflow */
if (((head + (2 * qsize) - nesqp->hwqp.sq_tail) % qsize) == (qsize - 1)) {
- spin_unlock_irqrestore(&nesqp->lock, flags);
+ spin_unlock_irqrestore(&nesqp->lock, flags);
return -EINVAL;
}
@@ -269,7 +269,7 @@ static int nes_bind_mw(struct ib_qp *ibqp, struct ib_mw *ibmw,
nes_write32(nesdev->regs+NES_WQE_ALLOC,
(1 << 24) | 0x00800000 | nesqp->hwqp.qp_id);
- spin_unlock_irqrestore(&nesqp->lock, flags);
+ spin_unlock_irqrestore(&nesqp->lock, flags);
return 0;
}
@@ -349,7 +349,7 @@ static struct ib_fmr *nes_alloc_fmr(struct ib_pd *ibpd,
if (nesfmr->nesmr.pbls_used > nesadapter->free_4kpbl) {
spin_unlock_irqrestore(&nesadapter->pbl_lock, flags);
ret = -ENOMEM;
- goto failed_vpbl_alloc;
+ goto failed_vpbl_avail;
} else {
nesadapter->free_4kpbl -= nesfmr->nesmr.pbls_used;
}
@@ -357,7 +357,7 @@ static struct ib_fmr *nes_alloc_fmr(struct ib_pd *ibpd,
if (nesfmr->nesmr.pbls_used > nesadapter->free_256pbl) {
spin_unlock_irqrestore(&nesadapter->pbl_lock, flags);
ret = -ENOMEM;
- goto failed_vpbl_alloc;
+ goto failed_vpbl_avail;
} else {
nesadapter->free_256pbl -= nesfmr->nesmr.pbls_used;
}
@@ -391,14 +391,14 @@ static struct ib_fmr *nes_alloc_fmr(struct ib_pd *ibpd,
goto failed_vpbl_alloc;
}
- nesfmr->root_vpbl.leaf_vpbl = kzalloc(sizeof(*nesfmr->root_vpbl.leaf_vpbl)*1024, GFP_KERNEL);
+ nesfmr->leaf_pbl_cnt = nesfmr->nesmr.pbls_used-1;
+ nesfmr->root_vpbl.leaf_vpbl = kzalloc(sizeof(*nesfmr->root_vpbl.leaf_vpbl)*1024, GFP_ATOMIC);
if (!nesfmr->root_vpbl.leaf_vpbl) {
spin_unlock_irqrestore(&nesadapter->pbl_lock, flags);
ret = -ENOMEM;
goto failed_leaf_vpbl_alloc;
}
- nesfmr->leaf_pbl_cnt = nesfmr->nesmr.pbls_used-1;
nes_debug(NES_DBG_MR, "two level pbl, root_vpbl.pbl_vbase=%p"
" leaf_pbl_cnt=%d root_vpbl.leaf_vpbl=%p\n",
nesfmr->root_vpbl.pbl_vbase, nesfmr->leaf_pbl_cnt, nesfmr->root_vpbl.leaf_vpbl);
@@ -519,6 +519,16 @@ static struct ib_fmr *nes_alloc_fmr(struct ib_pd *ibpd,
nesfmr->root_vpbl.pbl_pbase);
failed_vpbl_alloc:
+ if (nesfmr->nesmr.pbls_used != 0) {
+ spin_lock_irqsave(&nesadapter->pbl_lock, flags);
+ if (nesfmr->nesmr.pbl_4k)
+ nesadapter->free_4kpbl += nesfmr->nesmr.pbls_used;
+ else
+ nesadapter->free_256pbl += nesfmr->nesmr.pbls_used;
+ spin_unlock_irqrestore(&nesadapter->pbl_lock, flags);
+ }
+
+failed_vpbl_avail:
kfree(nesfmr);
failed_fmr_alloc:
@@ -534,18 +544,14 @@ static struct ib_fmr *nes_alloc_fmr(struct ib_pd *ibpd,
*/
static int nes_dealloc_fmr(struct ib_fmr *ibfmr)
{
+ unsigned long flags;
struct nes_mr *nesmr = to_nesmr_from_ibfmr(ibfmr);
struct nes_fmr *nesfmr = to_nesfmr(nesmr);
struct nes_vnic *nesvnic = to_nesvnic(ibfmr->device);
struct nes_device *nesdev = nesvnic->nesdev;
- struct nes_mr temp_nesmr = *nesmr;
+ struct nes_adapter *nesadapter = nesdev->nesadapter;
int i = 0;
- temp_nesmr.ibmw.device = ibfmr->device;
- temp_nesmr.ibmw.pd = ibfmr->pd;
- temp_nesmr.ibmw.rkey = ibfmr->rkey;
- temp_nesmr.ibmw.uobject = NULL;
-
/* free the resources */
if (nesfmr->leaf_pbl_cnt == 0) {
/* single PBL case */
@@ -561,8 +567,24 @@ static int nes_dealloc_fmr(struct ib_fmr *ibfmr)
pci_free_consistent(nesdev->pcidev, 8192, nesfmr->root_vpbl.pbl_vbase,
nesfmr->root_vpbl.pbl_pbase);
}
+ nesmr->ibmw.device = ibfmr->device;
+ nesmr->ibmw.pd = ibfmr->pd;
+ nesmr->ibmw.rkey = ibfmr->rkey;
+ nesmr->ibmw.uobject = NULL;
- return nes_dealloc_mw(&temp_nesmr.ibmw);
+ if (nesfmr->nesmr.pbls_used != 0) {
+ spin_lock_irqsave(&nesadapter->pbl_lock, flags);
+ if (nesfmr->nesmr.pbl_4k) {
+ nesadapter->free_4kpbl += nesfmr->nesmr.pbls_used;
+ WARN_ON(nesadapter->free_4kpbl > nesadapter->max_4kpbl);
+ } else {
+ nesadapter->free_256pbl += nesfmr->nesmr.pbls_used;
+ WARN_ON(nesadapter->free_256pbl > nesadapter->max_256pbl);
+ }
+ spin_unlock_irqrestore(&nesadapter->pbl_lock, flags);
+ }
+
+ return nes_dealloc_mw(&nesmr->ibmw);
}
@@ -1595,7 +1617,7 @@ static struct ib_cq *nes_create_cq(struct ib_device *ibdev, int entries,
nes_ucontext->mcrqf = req.mcrqf;
if (nes_ucontext->mcrqf) {
if (nes_ucontext->mcrqf & 0x80000000)
- nescq->hw_cq.cq_number = nesvnic->nic.qp_id + 12 + (nes_ucontext->mcrqf & 0xf) - 1;
+ nescq->hw_cq.cq_number = nesvnic->nic.qp_id + 28 + 2 * ((nes_ucontext->mcrqf & 0xf) - 1);
else if (nes_ucontext->mcrqf & 0x40000000)
nescq->hw_cq.cq_number = nes_ucontext->mcrqf & 0xffff;
else
@@ -3212,7 +3234,7 @@ static int nes_post_send(struct ib_qp *ibqp, struct ib_send_wr *ib_wr,
if (nesqp->ibqp_state > IB_QPS_RTS)
return -EINVAL;
- spin_lock_irqsave(&nesqp->lock, flags);
+ spin_lock_irqsave(&nesqp->lock, flags);
head = nesqp->hwqp.sq_head;
@@ -3337,7 +3359,7 @@ static int nes_post_send(struct ib_qp *ibqp, struct ib_send_wr *ib_wr,
(counter << 24) | 0x00800000 | nesqp->hwqp.qp_id);
}
- spin_unlock_irqrestore(&nesqp->lock, flags);
+ spin_unlock_irqrestore(&nesqp->lock, flags);
if (err)
*bad_wr = ib_wr;
@@ -3368,7 +3390,7 @@ static int nes_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *ib_wr,
if (nesqp->ibqp_state > IB_QPS_RTS)
return -EINVAL;
- spin_lock_irqsave(&nesqp->lock, flags);
+ spin_lock_irqsave(&nesqp->lock, flags);
head = nesqp->hwqp.rq_head;
@@ -3421,7 +3443,7 @@ static int nes_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *ib_wr,
nes_write32(nesdev->regs+NES_WQE_ALLOC, (counter<<24) | nesqp->hwqp.qp_id);
}
- spin_unlock_irqrestore(&nesqp->lock, flags);
+ spin_unlock_irqrestore(&nesqp->lock, flags);
if (err)
*bad_wr = ib_wr;
@@ -3453,7 +3475,7 @@ static int nes_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *entry)
nes_debug(NES_DBG_CQ, "\n");
- spin_lock_irqsave(&nescq->lock, flags);
+ spin_lock_irqsave(&nescq->lock, flags);
head = nescq->hw_cq.cq_head;
cq_size = nescq->hw_cq.cq_size;
@@ -3562,7 +3584,7 @@ static int nes_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *entry)
nes_debug(NES_DBG_CQ, "Reporting %u completions for CQ%u.\n",
cqe_count, nescq->hw_cq.cq_number);
- spin_unlock_irqrestore(&nescq->lock, flags);
+ spin_unlock_irqrestore(&nescq->lock, flags);
return cqe_count;
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.