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Diffstat (limited to 'drivers/infiniband/hw/mthca')
-rw-r--r--drivers/infiniband/hw/mthca/mthca_cmd.c23
-rw-r--r--drivers/infiniband/hw/mthca/mthca_cq.c12
-rw-r--r--drivers/infiniband/hw/mthca/mthca_eq.c4
-rw-r--r--drivers/infiniband/hw/mthca/mthca_mad.c14
-rw-r--r--drivers/infiniband/hw/mthca/mthca_provider.c33
-rw-r--r--drivers/infiniband/hw/mthca/mthca_provider.h3
-rw-r--r--drivers/infiniband/hw/mthca/mthca_qp.c40
-rw-r--r--drivers/infiniband/hw/mthca/mthca_reset.c59
-rw-r--r--drivers/infiniband/hw/mthca/mthca_srq.c5
9 files changed, 143 insertions, 50 deletions
diff --git a/drivers/infiniband/hw/mthca/mthca_cmd.c b/drivers/infiniband/hw/mthca/mthca_cmd.c
index 798e13e14fa..d0f7731802c 100644
--- a/drivers/infiniband/hw/mthca/mthca_cmd.c
+++ b/drivers/infiniband/hw/mthca/mthca_cmd.c
@@ -174,7 +174,6 @@ enum {
struct mthca_cmd_context {
struct completion done;
- struct timer_list timer;
int result;
int next;
u64 out_param;
@@ -362,15 +361,6 @@ void mthca_cmd_event(struct mthca_dev *dev,
complete(&context->done);
}
-static void event_timeout(unsigned long context_ptr)
-{
- struct mthca_cmd_context *context =
- (struct mthca_cmd_context *) context_ptr;
-
- context->result = -EBUSY;
- complete(&context->done);
-}
-
static int mthca_cmd_wait(struct mthca_dev *dev,
u64 in_param,
u64 *out_param,
@@ -401,11 +391,10 @@ static int mthca_cmd_wait(struct mthca_dev *dev,
if (err)
goto out;
- context->timer.expires = jiffies + timeout;
- add_timer(&context->timer);
-
- wait_for_completion(&context->done);
- del_timer_sync(&context->timer);
+ if (!wait_for_completion_timeout(&context->done, timeout)) {
+ err = -EBUSY;
+ goto out;
+ }
err = context->result;
if (err)
@@ -535,10 +524,6 @@ int mthca_cmd_use_events(struct mthca_dev *dev)
for (i = 0; i < dev->cmd.max_cmds; ++i) {
dev->cmd.context[i].token = i;
dev->cmd.context[i].next = i + 1;
- init_timer(&dev->cmd.context[i].timer);
- dev->cmd.context[i].timer.data =
- (unsigned long) &dev->cmd.context[i];
- dev->cmd.context[i].timer.function = event_timeout;
}
dev->cmd.context[dev->cmd.max_cmds - 1].next = -1;
diff --git a/drivers/infiniband/hw/mthca/mthca_cq.c b/drivers/infiniband/hw/mthca/mthca_cq.c
index 205854e9c66..3e27a084257 100644
--- a/drivers/infiniband/hw/mthca/mthca_cq.c
+++ b/drivers/infiniband/hw/mthca/mthca_cq.c
@@ -540,8 +540,17 @@ static inline int mthca_poll_one(struct mthca_dev *dev,
entry->wr_id = srq->wrid[wqe_index];
mthca_free_srq_wqe(srq, wqe);
} else {
+ s32 wqe;
wq = &(*cur_qp)->rq;
- wqe_index = be32_to_cpu(cqe->wqe) >> wq->wqe_shift;
+ wqe = be32_to_cpu(cqe->wqe);
+ wqe_index = wqe >> wq->wqe_shift;
+ /*
+ * WQE addr == base - 1 might be reported in receive completion
+ * with error instead of (rq size - 1) by Sinai FW 1.0.800 and
+ * Arbel FW 5.1.400. This bug should be fixed in later FW revs.
+ */
+ if (unlikely(wqe_index < 0))
+ wqe_index = wq->max - 1;
entry->wr_id = (*cur_qp)->wrid[wqe_index];
}
@@ -813,6 +822,7 @@ int mthca_init_cq(struct mthca_dev *dev, int nent,
spin_lock_init(&cq->lock);
cq->refcount = 1;
init_waitqueue_head(&cq->wait);
+ mutex_init(&cq->mutex);
memset(cq_context, 0, sizeof *cq_context);
cq_context->flags = cpu_to_be32(MTHCA_CQ_STATUS_OK |
diff --git a/drivers/infiniband/hw/mthca/mthca_eq.c b/drivers/infiniband/hw/mthca/mthca_eq.c
index 99f109c3815..d536217e700 100644
--- a/drivers/infiniband/hw/mthca/mthca_eq.c
+++ b/drivers/infiniband/hw/mthca/mthca_eq.c
@@ -695,10 +695,6 @@ static void mthca_unmap_reg(struct mthca_dev *dev, unsigned long offset,
static int __devinit mthca_map_eq_regs(struct mthca_dev *dev)
{
- unsigned long mthca_base;
-
- mthca_base = pci_resource_start(dev->pdev, 0);
-
if (mthca_is_memfree(dev)) {
/*
* We assume that the EQ arm and EQ set CI registers
diff --git a/drivers/infiniband/hw/mthca/mthca_mad.c b/drivers/infiniband/hw/mthca/mthca_mad.c
index 4730863ece9..d9bc030bccc 100644
--- a/drivers/infiniband/hw/mthca/mthca_mad.c
+++ b/drivers/infiniband/hw/mthca/mthca_mad.c
@@ -114,14 +114,22 @@ static void smp_snoop(struct ib_device *ibdev,
mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) &&
mad->mad_hdr.method == IB_MGMT_METHOD_SET) {
if (mad->mad_hdr.attr_id == IB_SMP_ATTR_PORT_INFO) {
+ struct ib_port_info *pinfo =
+ (struct ib_port_info *) ((struct ib_smp *) mad)->data;
+
mthca_update_rate(to_mdev(ibdev), port_num);
update_sm_ah(to_mdev(ibdev), port_num,
- be16_to_cpup((__be16 *) (mad->data + 58)),
- (*(u8 *) (mad->data + 76)) & 0xf);
+ be16_to_cpu(pinfo->lid),
+ pinfo->neighbormtu_mastersmsl & 0xf);
event.device = ibdev;
- event.event = IB_EVENT_LID_CHANGE;
event.element.port_num = port_num;
+
+ if(pinfo->clientrereg_resv_subnetto & 0x80)
+ event.event = IB_EVENT_CLIENT_REREGISTER;
+ else
+ event.event = IB_EVENT_LID_CHANGE;
+
ib_dispatch_event(&event);
}
diff --git a/drivers/infiniband/hw/mthca/mthca_provider.c b/drivers/infiniband/hw/mthca/mthca_provider.c
index a2eae8a3016..230ae21db8f 100644
--- a/drivers/infiniband/hw/mthca/mthca_provider.c
+++ b/drivers/infiniband/hw/mthca/mthca_provider.c
@@ -115,6 +115,16 @@ static int mthca_query_device(struct ib_device *ibdev,
props->max_mcast_qp_attach = MTHCA_QP_PER_MGM;
props->max_total_mcast_qp_attach = props->max_mcast_qp_attach *
props->max_mcast_grp;
+ /*
+ * If Sinai memory key optimization is being used, then only
+ * the 8-bit key portion will change. For other HCAs, the
+ * unused index bits will also be used for FMR remapping.
+ */
+ if (mdev->mthca_flags & MTHCA_FLAG_SINAI_OPT)
+ props->max_map_per_fmr = 255;
+ else
+ props->max_map_per_fmr =
+ (1 << (32 - long_log2(mdev->limits.num_mpts))) - 1;
err = 0;
out:
@@ -783,18 +793,24 @@ static int mthca_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *uda
if (entries < 1 || entries > dev->limits.max_cqes)
return -EINVAL;
+ mutex_lock(&cq->mutex);
+
entries = roundup_pow_of_two(entries + 1);
- if (entries == ibcq->cqe + 1)
- return 0;
+ if (entries == ibcq->cqe + 1) {
+ ret = 0;
+ goto out;
+ }
if (cq->is_kernel) {
ret = mthca_alloc_resize_buf(dev, cq, entries);
if (ret)
- return ret;
+ goto out;
lkey = cq->resize_buf->buf.mr.ibmr.lkey;
} else {
- if (ib_copy_from_udata(&ucmd, udata, sizeof ucmd))
- return -EFAULT;
+ if (ib_copy_from_udata(&ucmd, udata, sizeof ucmd)) {
+ ret = -EFAULT;
+ goto out;
+ }
lkey = ucmd.lkey;
}
@@ -811,7 +827,7 @@ static int mthca_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *uda
cq->resize_buf = NULL;
spin_unlock_irq(&cq->lock);
}
- return ret;
+ goto out;
}
if (cq->is_kernel) {
@@ -838,7 +854,10 @@ static int mthca_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *uda
} else
ibcq->cqe = entries - 1;
- return 0;
+out:
+ mutex_unlock(&cq->mutex);
+
+ return ret;
}
static int mthca_destroy_cq(struct ib_cq *cq)
diff --git a/drivers/infiniband/hw/mthca/mthca_provider.h b/drivers/infiniband/hw/mthca/mthca_provider.h
index 179a8f610d0..8de2887ba15 100644
--- a/drivers/infiniband/hw/mthca/mthca_provider.h
+++ b/drivers/infiniband/hw/mthca/mthca_provider.h
@@ -214,6 +214,7 @@ struct mthca_cq {
int arm_sn;
wait_queue_head_t wait;
+ struct mutex mutex;
};
struct mthca_srq {
@@ -237,6 +238,7 @@ struct mthca_srq {
struct mthca_mr mr;
wait_queue_head_t wait;
+ struct mutex mutex;
};
struct mthca_wq {
@@ -278,6 +280,7 @@ struct mthca_qp {
union mthca_buf queue;
wait_queue_head_t wait;
+ struct mutex mutex;
};
struct mthca_sqp {
diff --git a/drivers/infiniband/hw/mthca/mthca_qp.c b/drivers/infiniband/hw/mthca/mthca_qp.c
index 07c13be07a4..16c387d8170 100644
--- a/drivers/infiniband/hw/mthca/mthca_qp.c
+++ b/drivers/infiniband/hw/mthca/mthca_qp.c
@@ -534,7 +534,9 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask)
struct mthca_qp_context *qp_context;
u32 sqd_event = 0;
u8 status;
- int err;
+ int err = -EINVAL;
+
+ mutex_lock(&qp->mutex);
if (attr_mask & IB_QP_CUR_STATE) {
cur_state = attr->cur_qp_state;
@@ -553,39 +555,41 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask)
"%d->%d with attr 0x%08x\n",
qp->transport, cur_state, new_state,
attr_mask);
- return -EINVAL;
+ goto out;
}
if ((attr_mask & IB_QP_PKEY_INDEX) &&
attr->pkey_index >= dev->limits.pkey_table_len) {
mthca_dbg(dev, "P_Key index (%u) too large. max is %d\n",
attr->pkey_index, dev->limits.pkey_table_len-1);
- return -EINVAL;
+ goto out;
}
if ((attr_mask & IB_QP_PORT) &&
(attr->port_num == 0 || attr->port_num > dev->limits.num_ports)) {
mthca_dbg(dev, "Port number (%u) is invalid\n", attr->port_num);
- return -EINVAL;
+ goto out;
}
if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC &&
attr->max_rd_atomic > dev->limits.max_qp_init_rdma) {
mthca_dbg(dev, "Max rdma_atomic as initiator %u too large (max is %d)\n",
attr->max_rd_atomic, dev->limits.max_qp_init_rdma);
- return -EINVAL;
+ goto out;
}
if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC &&
attr->max_dest_rd_atomic > 1 << dev->qp_table.rdb_shift) {
mthca_dbg(dev, "Max rdma_atomic as responder %u too large (max %d)\n",
attr->max_dest_rd_atomic, 1 << dev->qp_table.rdb_shift);
- return -EINVAL;
+ goto out;
}
mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);
- if (IS_ERR(mailbox))
- return PTR_ERR(mailbox);
+ if (IS_ERR(mailbox)) {
+ err = PTR_ERR(mailbox);
+ goto out;
+ }
qp_param = mailbox->buf;
qp_context = &qp_param->context;
memset(qp_param, 0, sizeof *qp_param);
@@ -618,7 +622,7 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask)
if (attr->path_mtu < IB_MTU_256 || attr->path_mtu > IB_MTU_2048) {
mthca_dbg(dev, "path MTU (%u) is invalid\n",
attr->path_mtu);
- return -EINVAL;
+ goto out_mailbox;
}
qp_context->mtu_msgmax = (attr->path_mtu << 5) | 31;
}
@@ -672,7 +676,7 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask)
if (attr_mask & IB_QP_AV) {
if (mthca_path_set(dev, &attr->ah_attr, &qp_context->pri_path,
attr_mask & IB_QP_PORT ? attr->port_num : qp->port))
- return -EINVAL;
+ goto out_mailbox;
qp_param->opt_param_mask |= cpu_to_be32(MTHCA_QP_OPTPAR_PRIMARY_ADDR_PATH);
}
@@ -686,18 +690,18 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask)
if (attr->alt_pkey_index >= dev->limits.pkey_table_len) {
mthca_dbg(dev, "Alternate P_Key index (%u) too large. max is %d\n",
attr->alt_pkey_index, dev->limits.pkey_table_len-1);
- return -EINVAL;
+ goto out_mailbox;
}
if (attr->alt_port_num == 0 || attr->alt_port_num > dev->limits.num_ports) {
mthca_dbg(dev, "Alternate port number (%u) is invalid\n",
attr->alt_port_num);
- return -EINVAL;
+ goto out_mailbox;
}
if (mthca_path_set(dev, &attr->alt_ah_attr, &qp_context->alt_path,
attr->alt_ah_attr.port_num))
- return -EINVAL;
+ goto out_mailbox;
qp_context->alt_path.port_pkey |= cpu_to_be32(attr->alt_pkey_index |
attr->alt_port_num << 24);
@@ -793,12 +797,12 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask)
err = mthca_MODIFY_QP(dev, cur_state, new_state, qp->qpn, 0,
mailbox, sqd_event, &status);
if (err)
- goto out;
+ goto out_mailbox;
if (status) {
mthca_warn(dev, "modify QP %d->%d returned status %02x.\n",
cur_state, new_state, status);
err = -EINVAL;
- goto out;
+ goto out_mailbox;
}
qp->state = new_state;
@@ -853,8 +857,11 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask)
}
}
-out:
+out_mailbox:
mthca_free_mailbox(dev, mailbox);
+
+out:
+ mutex_unlock(&qp->mutex);
return err;
}
@@ -1100,6 +1107,7 @@ static int mthca_alloc_qp_common(struct mthca_dev *dev,
qp->refcount = 1;
init_waitqueue_head(&qp->wait);
+ mutex_init(&qp->mutex);
qp->state = IB_QPS_RESET;
qp->atomic_rd_en = 0;
qp->resp_depth = 0;
diff --git a/drivers/infiniband/hw/mthca/mthca_reset.c b/drivers/infiniband/hw/mthca/mthca_reset.c
index df5e494a9d3..f4fddd5327f 100644
--- a/drivers/infiniband/hw/mthca/mthca_reset.c
+++ b/drivers/infiniband/hw/mthca/mthca_reset.c
@@ -49,6 +49,12 @@ int mthca_reset(struct mthca_dev *mdev)
u32 *hca_header = NULL;
u32 *bridge_header = NULL;
struct pci_dev *bridge = NULL;
+ int bridge_pcix_cap = 0;
+ int hca_pcie_cap = 0;
+ int hca_pcix_cap = 0;
+
+ u16 devctl;
+ u16 linkctl;
#define MTHCA_RESET_OFFSET 0xf0010
#define MTHCA_RESET_VALUE swab32(1)
@@ -110,6 +116,9 @@ int mthca_reset(struct mthca_dev *mdev)
}
}
+ hca_pcix_cap = pci_find_capability(mdev->pdev, PCI_CAP_ID_PCIX);
+ hca_pcie_cap = pci_find_capability(mdev->pdev, PCI_CAP_ID_EXP);
+
if (bridge) {
bridge_header = kmalloc(256, GFP_KERNEL);
if (!bridge_header) {
@@ -129,6 +138,13 @@ int mthca_reset(struct mthca_dev *mdev)
goto out;
}
}
+ bridge_pcix_cap = pci_find_capability(bridge, PCI_CAP_ID_PCIX);
+ if (!bridge_pcix_cap) {
+ err = -ENODEV;
+ mthca_err(mdev, "Couldn't locate HCA bridge "
+ "PCI-X capability, aborting.\n");
+ goto out;
+ }
}
/* actually hit reset */
@@ -178,6 +194,20 @@ int mthca_reset(struct mthca_dev *mdev)
good:
/* Now restore the PCI headers */
if (bridge) {
+ if (pci_write_config_dword(bridge, bridge_pcix_cap + 0x8,
+ bridge_header[(bridge_pcix_cap + 0x8) / 4])) {
+ err = -ENODEV;
+ mthca_err(mdev, "Couldn't restore HCA bridge Upstream "
+ "split transaction control, aborting.\n");
+ goto out;
+ }
+ if (pci_write_config_dword(bridge, bridge_pcix_cap + 0xc,
+ bridge_header[(bridge_pcix_cap + 0xc) / 4])) {
+ err = -ENODEV;
+ mthca_err(mdev, "Couldn't restore HCA bridge Downstream "
+ "split transaction control, aborting.\n");
+ goto out;
+ }
/*
* Bridge control register is at 0x3e, so we'll
* naturally restore it last in this loop.
@@ -203,6 +233,35 @@ good:
}
}
+ if (hca_pcix_cap) {
+ if (pci_write_config_dword(mdev->pdev, hca_pcix_cap,
+ hca_header[hca_pcix_cap / 4])) {
+ err = -ENODEV;
+ mthca_err(mdev, "Couldn't restore HCA PCI-X "
+ "command register, aborting.\n");
+ goto out;
+ }
+ }
+
+ if (hca_pcie_cap) {
+ devctl = hca_header[(hca_pcie_cap + PCI_EXP_DEVCTL) / 4];
+ if (pci_write_config_word(mdev->pdev, hca_pcie_cap + PCI_EXP_DEVCTL,
+ devctl)) {
+ err = -ENODEV;
+ mthca_err(mdev, "Couldn't restore HCA PCI Express "
+ "Device Control register, aborting.\n");
+ goto out;
+ }
+ linkctl = hca_header[(hca_pcie_cap + PCI_EXP_LNKCTL) / 4];
+ if (pci_write_config_word(mdev->pdev, hca_pcie_cap + PCI_EXP_LNKCTL,
+ linkctl)) {
+ err = -ENODEV;
+ mthca_err(mdev, "Couldn't restore HCA PCI Express "
+ "Link control register, aborting.\n");
+ goto out;
+ }
+ }
+
for (i = 0; i < 16; ++i) {
if (i * 4 == PCI_COMMAND)
continue;
diff --git a/drivers/infiniband/hw/mthca/mthca_srq.c b/drivers/infiniband/hw/mthca/mthca_srq.c
index b292fefa3b4..fab417c5cf4 100644
--- a/drivers/infiniband/hw/mthca/mthca_srq.c
+++ b/drivers/infiniband/hw/mthca/mthca_srq.c
@@ -243,6 +243,7 @@ int mthca_alloc_srq(struct mthca_dev *dev, struct mthca_pd *pd,
spin_lock_init(&srq->lock);
srq->refcount = 1;
init_waitqueue_head(&srq->wait);
+ mutex_init(&srq->mutex);
if (mthca_is_memfree(dev))
mthca_arbel_init_srq_context(dev, pd, srq, mailbox->buf);
@@ -371,7 +372,11 @@ int mthca_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
if (attr_mask & IB_SRQ_LIMIT) {
if (attr->srq_limit > srq->max)
return -EINVAL;
+
+ mutex_lock(&srq->mutex);
ret = mthca_ARM_SRQ(dev, srq->srqn, attr->srq_limit, &status);
+ mutex_unlock(&srq->mutex);
+
if (ret)
return ret;
if (status)
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-29 20:59:44 +0000