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Message-ID: <adairdbxpl2.fsf@cisco.com>
Date: Thu, 08 Mar 2007 15:50:17 -0800
From: Roland Dreier <rdreier@...co.com>
To: torvalds@...ux-foundation.org
Cc: linux-kernel@...r.kernel.org, general@...ts.openfabrics.org
Subject: [GIT PULL] please pull infiniband.git
Linus, please pull from
master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband.git for-linus
This tree is also available from kernel.org mirrors at:
git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband.git for-linus
This will get various post-rc3 fixes:
David Miller (1):
RDMA/cxgb3: Fix build on sparc64
Hoang-Nam Nguyen (1):
IB/ehca: Fix sync between completion handler and destroy cq
Roland Dreier (2):
IPoIB: Only handle async events for one port
IB/mthca: Fix error path in mthca_alloc_memfree()
Sean Hefty (2):
RDMA/cma: Initialize rdma_bind_list in cma_alloc_any_port()
RDMA/ucma: Avoid sending reject if backlog is full
Shirley Ma (1):
IPoIB: Turn on interface's carrier after broadcast group is joined
Steve Wise (8):
RDMA/cxgb3: Start ep timer on a MPA reject
RDMA/cxgb3: Don't use mm after it's freed in iwch_mmap()
RDMA/cxgb3: Fixes for "normal close" failures
RDMA/cxgb3: Move QP to error on destroy if the state is IDLE
RDMA/cxgb3: Stop EP timer when MPA exchange is aborted by peer
RDMA/cxgb3: Squelch logging AE errors
RDMA/cxgb3: Don't reuse skbs that are non-linear or cloned
RDMA/cxgb3: Fix MR permission problems
drivers/infiniband/core/cma.c | 2 +-
drivers/infiniband/core/ucma.c | 2 +-
drivers/infiniband/hw/cxgb3/cxio_hal.c | 1 +
drivers/infiniband/hw/cxgb3/iwch_cm.c | 19 ++++---
drivers/infiniband/hw/cxgb3/iwch_ev.c | 12 ++--
drivers/infiniband/hw/cxgb3/iwch_provider.c | 40 +++++-----------
drivers/infiniband/hw/cxgb3/iwch_provider.h | 33 +++++--------
drivers/infiniband/hw/cxgb3/iwch_qp.c | 2 +-
drivers/infiniband/hw/ehca/ehca_classes.h | 6 ++-
drivers/infiniband/hw/ehca/ehca_cq.c | 16 ++++++-
drivers/infiniband/hw/ehca/ehca_irq.c | 59 ++++++++++++++++--------
drivers/infiniband/hw/ehca/ehca_main.c | 4 +-
drivers/infiniband/hw/mthca/mthca_qp.c | 10 ++--
drivers/infiniband/ulp/ipoib/ipoib_multicast.c | 5 ++-
drivers/infiniband/ulp/ipoib/ipoib_verbs.c | 13 +++--
15 files changed, 122 insertions(+), 102 deletions(-)
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index d441815..fde92ce 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -1821,7 +1821,7 @@ static int cma_alloc_port(struct idr *ps, struct rdma_id_private *id_priv,
struct rdma_bind_list *bind_list;
int port, ret;
- bind_list = kmalloc(sizeof *bind_list, GFP_KERNEL);
+ bind_list = kzalloc(sizeof *bind_list, GFP_KERNEL);
if (!bind_list)
return -ENOMEM;
diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c
index b516b93..c859134 100644
--- a/drivers/infiniband/core/ucma.c
+++ b/drivers/infiniband/core/ucma.c
@@ -266,7 +266,7 @@ static int ucma_event_handler(struct rdma_cm_id *cm_id,
mutex_lock(&ctx->file->mut);
if (event->event == RDMA_CM_EVENT_CONNECT_REQUEST) {
if (!ctx->backlog) {
- ret = -EDQUOT;
+ ret = -ENOMEM;
kfree(uevent);
goto out;
}
diff --git a/drivers/infiniband/hw/cxgb3/cxio_hal.c b/drivers/infiniband/hw/cxgb3/cxio_hal.c
index d737c73..818cf1a 100644
--- a/drivers/infiniband/hw/cxgb3/cxio_hal.c
+++ b/drivers/infiniband/hw/cxgb3/cxio_hal.c
@@ -36,6 +36,7 @@
#include <linux/sched.h>
#include <linux/spinlock.h>
#include <linux/pci.h>
+#include <linux/dma-mapping.h>
#include "cxio_resource.h"
#include "cxio_hal.h"
diff --git a/drivers/infiniband/hw/cxgb3/iwch_cm.c b/drivers/infiniband/hw/cxgb3/iwch_cm.c
index b21fde8..d0ed1d3 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_cm.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_cm.c
@@ -305,8 +305,7 @@ static int status2errno(int status)
*/
static struct sk_buff *get_skb(struct sk_buff *skb, int len, gfp_t gfp)
{
- if (skb) {
- BUG_ON(skb_cloned(skb));
+ if (skb && !skb_is_nonlinear(skb) && !skb_cloned(skb)) {
skb_trim(skb, 0);
skb_get(skb);
} else {
@@ -1415,6 +1414,7 @@ static int peer_close(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
wake_up(&ep->com.waitq);
break;
case FPDU_MODE:
+ start_ep_timer(ep);
__state_set(&ep->com, CLOSING);
attrs.next_state = IWCH_QP_STATE_CLOSING;
iwch_modify_qp(ep->com.qp->rhp, ep->com.qp,
@@ -1425,7 +1425,6 @@ static int peer_close(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
disconnect = 0;
break;
case CLOSING:
- start_ep_timer(ep);
__state_set(&ep->com, MORIBUND);
disconnect = 0;
break;
@@ -1487,8 +1486,10 @@ static int peer_abort(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
case CONNECTING:
break;
case MPA_REQ_WAIT:
+ stop_ep_timer(ep);
break;
case MPA_REQ_SENT:
+ stop_ep_timer(ep);
connect_reply_upcall(ep, -ECONNRESET);
break;
case MPA_REP_SENT:
@@ -1507,9 +1508,10 @@ static int peer_abort(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
get_ep(&ep->com);
break;
case MORIBUND:
+ case CLOSING:
stop_ep_timer(ep);
+ /*FALLTHROUGH*/
case FPDU_MODE:
- case CLOSING:
if (ep->com.cm_id && ep->com.qp) {
attrs.next_state = IWCH_QP_STATE_ERROR;
ret = iwch_modify_qp(ep->com.qp->rhp,
@@ -1570,7 +1572,6 @@ static int close_con_rpl(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
spin_lock_irqsave(&ep->com.lock, flags);
switch (ep->com.state) {
case CLOSING:
- start_ep_timer(ep);
__state_set(&ep->com, MORIBUND);
break;
case MORIBUND:
@@ -1586,6 +1587,8 @@ static int close_con_rpl(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
__state_set(&ep->com, DEAD);
release = 1;
break;
+ case ABORTING:
+ break;
case DEAD:
default:
BUG_ON(1);
@@ -1659,6 +1662,7 @@ static void ep_timeout(unsigned long arg)
break;
case MPA_REQ_WAIT:
break;
+ case CLOSING:
case MORIBUND:
if (ep->com.cm_id && ep->com.qp) {
attrs.next_state = IWCH_QP_STATE_ERROR;
@@ -1687,12 +1691,11 @@ int iwch_reject_cr(struct iw_cm_id *cm_id, const void *pdata, u8 pdata_len)
return -ECONNRESET;
}
BUG_ON(state_read(&ep->com) != MPA_REQ_RCVD);
- state_set(&ep->com, CLOSING);
if (mpa_rev == 0)
abort_connection(ep, NULL, GFP_KERNEL);
else {
err = send_mpa_reject(ep, pdata, pdata_len);
- err = send_halfclose(ep, GFP_KERNEL);
+ err = iwch_ep_disconnect(ep, 0, GFP_KERNEL);
}
return 0;
}
@@ -1957,11 +1960,11 @@ int iwch_ep_disconnect(struct iwch_ep *ep, int abrupt, gfp_t gfp)
case MPA_REQ_RCVD:
case MPA_REP_SENT:
case FPDU_MODE:
+ start_ep_timer(ep);
ep->com.state = CLOSING;
close = 1;
break;
case CLOSING:
- start_ep_timer(ep);
ep->com.state = MORIBUND;
close = 1;
break;
diff --git a/drivers/infiniband/hw/cxgb3/iwch_ev.c b/drivers/infiniband/hw/cxgb3/iwch_ev.c
index 54362af..b406766 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_ev.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_ev.c
@@ -47,12 +47,6 @@ static void post_qp_event(struct iwch_dev *rnicp, struct iwch_cq *chp,
struct iwch_qp_attributes attrs;
struct iwch_qp *qhp;
- printk(KERN_ERR "%s - AE qpid 0x%x opcode %d status 0x%x "
- "type %d wrid.hi 0x%x wrid.lo 0x%x \n", __FUNCTION__,
- CQE_QPID(rsp_msg->cqe), CQE_OPCODE(rsp_msg->cqe),
- CQE_STATUS(rsp_msg->cqe), CQE_TYPE(rsp_msg->cqe),
- CQE_WRID_HI(rsp_msg->cqe), CQE_WRID_LOW(rsp_msg->cqe));
-
spin_lock(&rnicp->lock);
qhp = get_qhp(rnicp, CQE_QPID(rsp_msg->cqe));
@@ -73,6 +67,12 @@ static void post_qp_event(struct iwch_dev *rnicp, struct iwch_cq *chp,
return;
}
+ printk(KERN_ERR "%s - AE qpid 0x%x opcode %d status 0x%x "
+ "type %d wrid.hi 0x%x wrid.lo 0x%x \n", __FUNCTION__,
+ CQE_QPID(rsp_msg->cqe), CQE_OPCODE(rsp_msg->cqe),
+ CQE_STATUS(rsp_msg->cqe), CQE_TYPE(rsp_msg->cqe),
+ CQE_WRID_HI(rsp_msg->cqe), CQE_WRID_LOW(rsp_msg->cqe));
+
atomic_inc(&qhp->refcnt);
spin_unlock(&rnicp->lock);
diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c
index 9947a14..f2774ae 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_provider.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c
@@ -331,6 +331,7 @@ static int iwch_mmap(struct ib_ucontext *context, struct vm_area_struct *vma)
int ret = 0;
struct iwch_mm_entry *mm;
struct iwch_ucontext *ucontext;
+ u64 addr;
PDBG("%s pgoff 0x%lx key 0x%x len %d\n", __FUNCTION__, vma->vm_pgoff,
key, len);
@@ -345,10 +346,11 @@ static int iwch_mmap(struct ib_ucontext *context, struct vm_area_struct *vma)
mm = remove_mmap(ucontext, key, len);
if (!mm)
return -EINVAL;
+ addr = mm->addr;
kfree(mm);
- if ((mm->addr >= rdev_p->rnic_info.udbell_physbase) &&
- (mm->addr < (rdev_p->rnic_info.udbell_physbase +
+ if ((addr >= rdev_p->rnic_info.udbell_physbase) &&
+ (addr < (rdev_p->rnic_info.udbell_physbase +
rdev_p->rnic_info.udbell_len))) {
/*
@@ -362,7 +364,7 @@ static int iwch_mmap(struct ib_ucontext *context, struct vm_area_struct *vma)
vma->vm_flags |= VM_DONTCOPY | VM_DONTEXPAND;
vma->vm_flags &= ~VM_MAYREAD;
ret = io_remap_pfn_range(vma, vma->vm_start,
- mm->addr >> PAGE_SHIFT,
+ addr >> PAGE_SHIFT,
len, vma->vm_page_prot);
} else {
@@ -370,7 +372,7 @@ static int iwch_mmap(struct ib_ucontext *context, struct vm_area_struct *vma)
* Map WQ or CQ contig dma memory...
*/
ret = remap_pfn_range(vma, vma->vm_start,
- mm->addr >> PAGE_SHIFT,
+ addr >> PAGE_SHIFT,
len, vma->vm_page_prot);
}
@@ -463,9 +465,6 @@ static struct ib_mr *iwch_register_phys_mem(struct ib_pd *pd,
php = to_iwch_pd(pd);
rhp = php->rhp;
- acc = iwch_convert_access(acc);
-
-
mhp = kzalloc(sizeof(*mhp), GFP_KERNEL);
if (!mhp)
return ERR_PTR(-ENOMEM);
@@ -491,12 +490,7 @@ static struct ib_mr *iwch_register_phys_mem(struct ib_pd *pd,
mhp->attr.pdid = php->pdid;
mhp->attr.zbva = 0;
- /* NOTE: TPT perms are backwards from BIND WR perms! */
- mhp->attr.perms = (acc & 0x1) << 3;
- mhp->attr.perms |= (acc & 0x2) << 1;
- mhp->attr.perms |= (acc & 0x4) >> 1;
- mhp->attr.perms |= (acc & 0x8) >> 3;
-
+ mhp->attr.perms = iwch_ib_to_tpt_access(acc);
mhp->attr.va_fbo = *iova_start;
mhp->attr.page_size = shift - 12;
@@ -525,7 +519,6 @@ static int iwch_reregister_phys_mem(struct ib_mr *mr,
struct iwch_mr mh, *mhp;
struct iwch_pd *php;
struct iwch_dev *rhp;
- int new_acc;
__be64 *page_list = NULL;
int shift = 0;
u64 total_size;
@@ -546,14 +539,12 @@ static int iwch_reregister_phys_mem(struct ib_mr *mr,
if (rhp != php->rhp)
return -EINVAL;
- new_acc = mhp->attr.perms;
-
memcpy(&mh, mhp, sizeof *mhp);
if (mr_rereg_mask & IB_MR_REREG_PD)
php = to_iwch_pd(pd);
if (mr_rereg_mask & IB_MR_REREG_ACCESS)
- mh.attr.perms = iwch_convert_access(acc);
+ mh.attr.perms = iwch_ib_to_tpt_access(acc);
if (mr_rereg_mask & IB_MR_REREG_TRANS)
ret = build_phys_page_list(buffer_list, num_phys_buf,
iova_start,
@@ -568,7 +559,7 @@ static int iwch_reregister_phys_mem(struct ib_mr *mr,
if (mr_rereg_mask & IB_MR_REREG_PD)
mhp->attr.pdid = php->pdid;
if (mr_rereg_mask & IB_MR_REREG_ACCESS)
- mhp->attr.perms = acc;
+ mhp->attr.perms = iwch_ib_to_tpt_access(acc);
if (mr_rereg_mask & IB_MR_REREG_TRANS) {
mhp->attr.zbva = 0;
mhp->attr.va_fbo = *iova_start;
@@ -613,8 +604,6 @@ static struct ib_mr *iwch_reg_user_mr(struct ib_pd *pd, struct ib_umem *region,
goto err;
}
- acc = iwch_convert_access(acc);
-
i = n = 0;
list_for_each_entry(chunk, ®ion->chunk_list, list)
@@ -630,10 +619,7 @@ static struct ib_mr *iwch_reg_user_mr(struct ib_pd *pd, struct ib_umem *region,
mhp->rhp = rhp;
mhp->attr.pdid = php->pdid;
mhp->attr.zbva = 0;
- mhp->attr.perms = (acc & 0x1) << 3;
- mhp->attr.perms |= (acc & 0x2) << 1;
- mhp->attr.perms |= (acc & 0x4) >> 1;
- mhp->attr.perms |= (acc & 0x8) >> 3;
+ mhp->attr.perms = iwch_ib_to_tpt_access(acc);
mhp->attr.va_fbo = region->virt_base;
mhp->attr.page_size = shift - 12;
mhp->attr.len = (u32) region->length;
@@ -736,10 +722,8 @@ static int iwch_destroy_qp(struct ib_qp *ib_qp)
qhp = to_iwch_qp(ib_qp);
rhp = qhp->rhp;
- if (qhp->attr.state == IWCH_QP_STATE_RTS) {
- attrs.next_state = IWCH_QP_STATE_ERROR;
- iwch_modify_qp(rhp, qhp, IWCH_QP_ATTR_NEXT_STATE, &attrs, 0);
- }
+ attrs.next_state = IWCH_QP_STATE_ERROR;
+ iwch_modify_qp(rhp, qhp, IWCH_QP_ATTR_NEXT_STATE, &attrs, 0);
wait_event(qhp->wait, !qhp->ep);
remove_handle(rhp, &rhp->qpidr, qhp->wq.qpid);
diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.h b/drivers/infiniband/hw/cxgb3/iwch_provider.h
index de0fe1b..93bcc56 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_provider.h
+++ b/drivers/infiniband/hw/cxgb3/iwch_provider.h
@@ -286,27 +286,20 @@ static inline int iwch_convert_state(enum ib_qp_state ib_state)
}
}
-enum iwch_mem_perms {
- IWCH_MEM_ACCESS_LOCAL_READ = 1 << 0,
- IWCH_MEM_ACCESS_LOCAL_WRITE = 1 << 1,
- IWCH_MEM_ACCESS_REMOTE_READ = 1 << 2,
- IWCH_MEM_ACCESS_REMOTE_WRITE = 1 << 3,
- IWCH_MEM_ACCESS_ATOMICS = 1 << 4,
- IWCH_MEM_ACCESS_BINDING = 1 << 5,
- IWCH_MEM_ACCESS_LOCAL =
- (IWCH_MEM_ACCESS_LOCAL_READ | IWCH_MEM_ACCESS_LOCAL_WRITE),
- IWCH_MEM_ACCESS_REMOTE =
- (IWCH_MEM_ACCESS_REMOTE_WRITE | IWCH_MEM_ACCESS_REMOTE_READ)
- /* cannot go beyond 1 << 31 */
-} __attribute__ ((packed));
-
-static inline u32 iwch_convert_access(int acc)
+static inline u32 iwch_ib_to_tpt_access(int acc)
{
- return (acc & IB_ACCESS_REMOTE_WRITE ? IWCH_MEM_ACCESS_REMOTE_WRITE : 0)
- | (acc & IB_ACCESS_REMOTE_READ ? IWCH_MEM_ACCESS_REMOTE_READ : 0) |
- (acc & IB_ACCESS_LOCAL_WRITE ? IWCH_MEM_ACCESS_LOCAL_WRITE : 0) |
- (acc & IB_ACCESS_MW_BIND ? IWCH_MEM_ACCESS_BINDING : 0) |
- IWCH_MEM_ACCESS_LOCAL_READ;
+ return (acc & IB_ACCESS_REMOTE_WRITE ? TPT_REMOTE_WRITE : 0) |
+ (acc & IB_ACCESS_REMOTE_READ ? TPT_REMOTE_READ : 0) |
+ (acc & IB_ACCESS_LOCAL_WRITE ? TPT_LOCAL_WRITE : 0) |
+ TPT_LOCAL_READ;
+}
+
+static inline u32 iwch_ib_to_mwbind_access(int acc)
+{
+ return (acc & IB_ACCESS_REMOTE_WRITE ? T3_MEM_ACCESS_REM_WRITE : 0) |
+ (acc & IB_ACCESS_REMOTE_READ ? T3_MEM_ACCESS_REM_READ : 0) |
+ (acc & IB_ACCESS_LOCAL_WRITE ? T3_MEM_ACCESS_LOCAL_WRITE : 0) |
+ T3_MEM_ACCESS_LOCAL_READ;
}
enum iwch_mmid_state {
diff --git a/drivers/infiniband/hw/cxgb3/iwch_qp.c b/drivers/infiniband/hw/cxgb3/iwch_qp.c
index 9ea00cc..0a472c9 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_qp.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_qp.c
@@ -439,7 +439,7 @@ int iwch_bind_mw(struct ib_qp *qp,
wqe->bind.type = T3_VA_BASED_TO;
/* TBD: check perms */
- wqe->bind.perms = iwch_convert_access(mw_bind->mw_access_flags);
+ wqe->bind.perms = iwch_ib_to_mwbind_access(mw_bind->mw_access_flags);
wqe->bind.mr_stag = cpu_to_be32(mw_bind->mr->lkey);
wqe->bind.mw_stag = cpu_to_be32(mw->rkey);
wqe->bind.mw_len = cpu_to_be32(mw_bind->length);
diff --git a/drivers/infiniband/hw/ehca/ehca_classes.h b/drivers/infiniband/hw/ehca/ehca_classes.h
index 40404c9..82ded44 100644
--- a/drivers/infiniband/hw/ehca/ehca_classes.h
+++ b/drivers/infiniband/hw/ehca/ehca_classes.h
@@ -52,6 +52,8 @@ struct ehca_mw;
struct ehca_pd;
struct ehca_av;
+#include <linux/wait.h>
+
#include <rdma/ib_verbs.h>
#include <rdma/ib_user_verbs.h>
@@ -153,7 +155,9 @@ struct ehca_cq {
spinlock_t cb_lock;
struct hlist_head qp_hashtab[QP_HASHTAB_LEN];
struct list_head entry;
- u32 nr_callbacks;
+ u32 nr_callbacks; /* #events assigned to cpu by scaling code */
+ u32 nr_events; /* #events seen */
+ wait_queue_head_t wait_completion;
spinlock_t task_lock;
u32 ownpid;
/* mmap counter for resources mapped into user space */
diff --git a/drivers/infiniband/hw/ehca/ehca_cq.c b/drivers/infiniband/hw/ehca/ehca_cq.c
index 6ebfa27..e2cdc1a 100644
--- a/drivers/infiniband/hw/ehca/ehca_cq.c
+++ b/drivers/infiniband/hw/ehca/ehca_cq.c
@@ -146,6 +146,7 @@ struct ib_cq *ehca_create_cq(struct ib_device *device, int cqe,
spin_lock_init(&my_cq->spinlock);
spin_lock_init(&my_cq->cb_lock);
spin_lock_init(&my_cq->task_lock);
+ init_waitqueue_head(&my_cq->wait_completion);
my_cq->ownpid = current->tgid;
cq = &my_cq->ib_cq;
@@ -302,6 +303,16 @@ create_cq_exit1:
return cq;
}
+static int get_cq_nr_events(struct ehca_cq *my_cq)
+{
+ int ret;
+ unsigned long flags;
+ spin_lock_irqsave(&ehca_cq_idr_lock, flags);
+ ret = my_cq->nr_events;
+ spin_unlock_irqrestore(&ehca_cq_idr_lock, flags);
+ return ret;
+}
+
int ehca_destroy_cq(struct ib_cq *cq)
{
u64 h_ret;
@@ -329,10 +340,11 @@ int ehca_destroy_cq(struct ib_cq *cq)
}
spin_lock_irqsave(&ehca_cq_idr_lock, flags);
- while (my_cq->nr_callbacks) {
+ while (my_cq->nr_events) {
spin_unlock_irqrestore(&ehca_cq_idr_lock, flags);
- yield();
+ wait_event(my_cq->wait_completion, !get_cq_nr_events(my_cq));
spin_lock_irqsave(&ehca_cq_idr_lock, flags);
+ /* recheck nr_events to assure no cqe has just arrived */
}
idr_remove(&ehca_cq_idr, my_cq->token);
diff --git a/drivers/infiniband/hw/ehca/ehca_irq.c b/drivers/infiniband/hw/ehca/ehca_irq.c
index 3ec53c6..20f36bf 100644
--- a/drivers/infiniband/hw/ehca/ehca_irq.c
+++ b/drivers/infiniband/hw/ehca/ehca_irq.c
@@ -404,10 +404,11 @@ static inline void process_eqe(struct ehca_shca *shca, struct ehca_eqe *eqe)
u32 token;
unsigned long flags;
struct ehca_cq *cq;
+
eqe_value = eqe->entry;
ehca_dbg(&shca->ib_device, "eqe_value=%lx", eqe_value);
if (EHCA_BMASK_GET(EQE_COMPLETION_EVENT, eqe_value)) {
- ehca_dbg(&shca->ib_device, "... completion event");
+ ehca_dbg(&shca->ib_device, "Got completion event");
token = EHCA_BMASK_GET(EQE_CQ_TOKEN, eqe_value);
spin_lock_irqsave(&ehca_cq_idr_lock, flags);
cq = idr_find(&ehca_cq_idr, token);
@@ -419,16 +420,20 @@ static inline void process_eqe(struct ehca_shca *shca, struct ehca_eqe *eqe)
return;
}
reset_eq_pending(cq);
- if (ehca_scaling_code) {
+ cq->nr_events++;
+ spin_unlock_irqrestore(&ehca_cq_idr_lock, flags);
+ if (ehca_scaling_code)
queue_comp_task(cq);
- spin_unlock_irqrestore(&ehca_cq_idr_lock, flags);
- } else {
- spin_unlock_irqrestore(&ehca_cq_idr_lock, flags);
+ else {
comp_event_callback(cq);
+ spin_lock_irqsave(&ehca_cq_idr_lock, flags);
+ cq->nr_events--;
+ if (!cq->nr_events)
+ wake_up(&cq->wait_completion);
+ spin_unlock_irqrestore(&ehca_cq_idr_lock, flags);
}
} else {
- ehca_dbg(&shca->ib_device,
- "Got non completion event");
+ ehca_dbg(&shca->ib_device, "Got non completion event");
parse_identifier(shca, eqe_value);
}
}
@@ -478,6 +483,7 @@ void ehca_process_eq(struct ehca_shca *shca, int is_irq)
"token=%x", token);
continue;
}
+ eqe_cache[eqe_cnt].cq->nr_events++;
spin_unlock(&ehca_cq_idr_lock);
} else
eqe_cache[eqe_cnt].cq = NULL;
@@ -504,12 +510,18 @@ void ehca_process_eq(struct ehca_shca *shca, int is_irq)
/* call completion handler for cached eqes */
for (i = 0; i < eqe_cnt; i++)
if (eq->eqe_cache[i].cq) {
- if (ehca_scaling_code) {
- spin_lock(&ehca_cq_idr_lock);
+ if (ehca_scaling_code)
queue_comp_task(eq->eqe_cache[i].cq);
- spin_unlock(&ehca_cq_idr_lock);
- } else
- comp_event_callback(eq->eqe_cache[i].cq);
+ else {
+ struct ehca_cq *cq = eq->eqe_cache[i].cq;
+ comp_event_callback(cq);
+ spin_lock_irqsave(&ehca_cq_idr_lock, flags);
+ cq->nr_events--;
+ if (!cq->nr_events)
+ wake_up(&cq->wait_completion);
+ spin_unlock_irqrestore(&ehca_cq_idr_lock,
+ flags);
+ }
} else {
ehca_dbg(&shca->ib_device, "Got non completion event");
parse_identifier(shca, eq->eqe_cache[i].eqe->entry);
@@ -523,7 +535,6 @@ void ehca_process_eq(struct ehca_shca *shca, int is_irq)
if (!eqe)
break;
process_eqe(shca, eqe);
- eqe_cnt++;
} while (1);
unlock_irq_spinlock:
@@ -567,8 +578,7 @@ static void __queue_comp_task(struct ehca_cq *__cq,
list_add_tail(&__cq->entry, &cct->cq_list);
cct->cq_jobs++;
wake_up(&cct->wait_queue);
- }
- else
+ } else
__cq->nr_callbacks++;
spin_unlock(&__cq->task_lock);
@@ -577,18 +587,21 @@ static void __queue_comp_task(struct ehca_cq *__cq,
static void queue_comp_task(struct ehca_cq *__cq)
{
- int cpu;
int cpu_id;
struct ehca_cpu_comp_task *cct;
+ int cq_jobs;
+ unsigned long flags;
- cpu = get_cpu();
cpu_id = find_next_online_cpu(pool);
BUG_ON(!cpu_online(cpu_id));
cct = per_cpu_ptr(pool->cpu_comp_tasks, cpu_id);
BUG_ON(!cct);
- if (cct->cq_jobs > 0) {
+ spin_lock_irqsave(&cct->task_lock, flags);
+ cq_jobs = cct->cq_jobs;
+ spin_unlock_irqrestore(&cct->task_lock, flags);
+ if (cq_jobs > 0) {
cpu_id = find_next_online_cpu(pool);
cct = per_cpu_ptr(pool->cpu_comp_tasks, cpu_id);
BUG_ON(!cct);
@@ -608,11 +621,17 @@ static void run_comp_task(struct ehca_cpu_comp_task* cct)
cq = list_entry(cct->cq_list.next, struct ehca_cq, entry);
spin_unlock_irqrestore(&cct->task_lock, flags);
comp_event_callback(cq);
- spin_lock_irqsave(&cct->task_lock, flags);
+ spin_lock_irqsave(&ehca_cq_idr_lock, flags);
+ cq->nr_events--;
+ if (!cq->nr_events)
+ wake_up(&cq->wait_completion);
+ spin_unlock_irqrestore(&ehca_cq_idr_lock, flags);
+
+ spin_lock_irqsave(&cct->task_lock, flags);
spin_lock(&cq->task_lock);
cq->nr_callbacks--;
- if (cq->nr_callbacks == 0) {
+ if (!cq->nr_callbacks) {
list_del_init(cct->cq_list.next);
cct->cq_jobs--;
}
diff --git a/drivers/infiniband/hw/ehca/ehca_main.c b/drivers/infiniband/hw/ehca/ehca_main.c
index c183512..059da96 100644
--- a/drivers/infiniband/hw/ehca/ehca_main.c
+++ b/drivers/infiniband/hw/ehca/ehca_main.c
@@ -52,7 +52,7 @@
MODULE_LICENSE("Dual BSD/GPL");
MODULE_AUTHOR("Christoph Raisch <raisch@...ibm.com>");
MODULE_DESCRIPTION("IBM eServer HCA InfiniBand Device Driver");
-MODULE_VERSION("SVNEHCA_0021");
+MODULE_VERSION("SVNEHCA_0022");
int ehca_open_aqp1 = 0;
int ehca_debug_level = 0;
@@ -810,7 +810,7 @@ int __init ehca_module_init(void)
int ret;
printk(KERN_INFO "eHCA Infiniband Device Driver "
- "(Rel.: SVNEHCA_0021)\n");
+ "(Rel.: SVNEHCA_0022)\n");
idr_init(&ehca_qp_idr);
idr_init(&ehca_cq_idr);
spin_lock_init(&ehca_qp_idr_lock);
diff --git a/drivers/infiniband/hw/mthca/mthca_qp.c b/drivers/infiniband/hw/mthca/mthca_qp.c
index 71dc84b..1c6b63a 100644
--- a/drivers/infiniband/hw/mthca/mthca_qp.c
+++ b/drivers/infiniband/hw/mthca/mthca_qp.c
@@ -1088,21 +1088,21 @@ static void mthca_unmap_memfree(struct mthca_dev *dev,
static int mthca_alloc_memfree(struct mthca_dev *dev,
struct mthca_qp *qp)
{
- int ret = 0;
-
if (mthca_is_memfree(dev)) {
qp->rq.db_index = mthca_alloc_db(dev, MTHCA_DB_TYPE_RQ,
qp->qpn, &qp->rq.db);
if (qp->rq.db_index < 0)
- return ret;
+ return -ENOMEM;
qp->sq.db_index = mthca_alloc_db(dev, MTHCA_DB_TYPE_SQ,
qp->qpn, &qp->sq.db);
- if (qp->sq.db_index < 0)
+ if (qp->sq.db_index < 0) {
mthca_free_db(dev, MTHCA_DB_TYPE_RQ, qp->rq.db_index);
+ return -ENOMEM;
+ }
}
- return ret;
+ return 0;
}
static void mthca_free_memfree(struct mthca_dev *dev,
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
index bb2e3d5..56c87a8 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
@@ -407,6 +407,10 @@ static int ipoib_mcast_join_complete(int status,
queue_delayed_work(ipoib_workqueue,
&priv->mcast_task, 0);
mutex_unlock(&mcast_mutex);
+
+ if (mcast == priv->broadcast)
+ netif_carrier_on(dev);
+
return 0;
}
@@ -594,7 +598,6 @@ void ipoib_mcast_join_task(struct work_struct *work)
ipoib_dbg_mcast(priv, "successfully joined all multicast groups\n");
clear_bit(IPOIB_MCAST_RUN, &priv->flags);
- netif_carrier_on(dev);
}
int ipoib_mcast_start_thread(struct net_device *dev)
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_verbs.c b/drivers/infiniband/ulp/ipoib/ipoib_verbs.c
index 3cb551b..7f3ec20 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_verbs.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_verbs.c
@@ -259,12 +259,13 @@ void ipoib_event(struct ib_event_handler *handler,
struct ipoib_dev_priv *priv =
container_of(handler, struct ipoib_dev_priv, event_handler);
- if (record->event == IB_EVENT_PORT_ERR ||
- record->event == IB_EVENT_PKEY_CHANGE ||
- record->event == IB_EVENT_PORT_ACTIVE ||
- record->event == IB_EVENT_LID_CHANGE ||
- record->event == IB_EVENT_SM_CHANGE ||
- record->event == IB_EVENT_CLIENT_REREGISTER) {
+ if ((record->event == IB_EVENT_PORT_ERR ||
+ record->event == IB_EVENT_PKEY_CHANGE ||
+ record->event == IB_EVENT_PORT_ACTIVE ||
+ record->event == IB_EVENT_LID_CHANGE ||
+ record->event == IB_EVENT_SM_CHANGE ||
+ record->event == IB_EVENT_CLIENT_REREGISTER) &&
+ record->element.port_num == priv->port) {
ipoib_dbg(priv, "Port state change event\n");
queue_work(ipoib_workqueue, &priv->flush_task);
}
-
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