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Merge branch 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband 

* 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband:
  IPoIB/cm: Optimize stale connection detection
  IB/mthca: Set cleaned CQEs back to HW ownership when cleaning CQ
  IB/mthca: Fix posting >255 recv WRs for Tavor
  RDMA/cma: Add check to validate that cm_id is bound to a device
  RDMA/cma: Fix synchronization with device removal in cma_iw_handler
  RDMA/cma: Simplify device removal handling code
  IB/ehca: Disable scaling code by default, bump version number
  IB/ehca: Beautify sysfs attribute code and fix compiler warnings
  IB/ehca: Remove _irqsave, move #ifdef
  IB/ehca: Fix AQP0/1 QP number
  IB/ehca: Correctly set GRH mask bit in ehca_modify_qp()
  IB/ehca: Serialize hypervisor calls in ehca_register_mr()
  IB/ipath: Shadow the gpio_mask register
  IB/mlx4: Fix uninitialized spinlock for 32-bit archs
  mlx4_core: Remove unused doorbell_lock
  net: Trivial MLX4_DEBUG dependency fix.
hifive-unleashed-5.1
Linus Torvalds 2007-05-15 09:52:31 -07:00
parent cfbf07f2a8 7c5b9ef857
commit de7860c3f3
17 changed files with 154 additions and 133 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

106
drivers/infiniband/core/cma.c
View File

@ -346,12 +346,33 @@ static void cma_deref_id(struct rdma_id_private *id_priv)
complete(&id_priv->comp);
}
static void cma_release_remove(struct rdma_id_private *id_priv)
static int cma_disable_remove(struct rdma_id_private *id_priv,
enum cma_state state)
{
unsigned long flags;
int ret;
spin_lock_irqsave(&id_priv->lock, flags);
if (id_priv->state == state) {
atomic_inc(&id_priv->dev_remove);
ret = 0;
} else
ret = -EINVAL;
spin_unlock_irqrestore(&id_priv->lock, flags);
return ret;
}
static void cma_enable_remove(struct rdma_id_private *id_priv)
{
if (atomic_dec_and_test(&id_priv->dev_remove))
wake_up(&id_priv->wait_remove);
}
static int cma_has_cm_dev(struct rdma_id_private *id_priv)
{
return (id_priv->id.device && id_priv->cm_id.ib);
}
struct rdma_cm_id *rdma_create_id(rdma_cm_event_handler event_handler,
void *context, enum rdma_port_space ps)
{
@ -884,9 +905,8 @@ static int cma_ib_handler(struct ib_cm_id *cm_id, struct ib_cm_event *ib_event)
struct rdma_cm_event event;
int ret = 0;
atomic_inc(&id_priv->dev_remove);
if (!cma_comp(id_priv, CMA_CONNECT))
goto out;
if (cma_disable_remove(id_priv, CMA_CONNECT))
return 0;
memset(&event, 0, sizeof event);
switch (ib_event->event) {
@ -942,12 +962,12 @@ static int cma_ib_handler(struct ib_cm_id *cm_id, struct ib_cm_event *ib_event)
/* Destroy the CM ID by returning a non-zero value. */
id_priv->cm_id.ib = NULL;
cma_exch(id_priv, CMA_DESTROYING);
cma_release_remove(id_priv);
cma_enable_remove(id_priv);
rdma_destroy_id(&id_priv->id);
return ret;
}
out:
cma_release_remove(id_priv);
cma_enable_remove(id_priv);
return ret;
}
@ -1057,11 +1077,8 @@ static int cma_req_handler(struct ib_cm_id *cm_id, struct ib_cm_event *ib_event)
int offset, ret;
listen_id = cm_id->context;
atomic_inc(&listen_id->dev_remove);
if (!cma_comp(listen_id, CMA_LISTEN)) {
ret = -ECONNABORTED;
goto out;
}
if (cma_disable_remove(listen_id, CMA_LISTEN))
return -ECONNABORTED;
memset(&event, 0, sizeof event);
offset = cma_user_data_offset(listen_id->id.ps);
@ -1101,11 +1118,11 @@ static int cma_req_handler(struct ib_cm_id *cm_id, struct ib_cm_event *ib_event)
release_conn_id:
cma_exch(conn_id, CMA_DESTROYING);
cma_release_remove(conn_id);
cma_enable_remove(conn_id);
rdma_destroy_id(&conn_id->id);
out:
cma_release_remove(listen_id);
cma_enable_remove(listen_id);
return ret;
}
@ -1171,9 +1188,10 @@ static int cma_iw_handler(struct iw_cm_id *iw_id, struct iw_cm_event *iw_event)
struct sockaddr_in *sin;
int ret = 0;
memset(&event, 0, sizeof event);
atomic_inc(&id_priv->dev_remove);
if (cma_disable_remove(id_priv, CMA_CONNECT))
return 0;
memset(&event, 0, sizeof event);
switch (iw_event->event) {
case IW_CM_EVENT_CLOSE:
event.event = RDMA_CM_EVENT_DISCONNECTED;
@ -1214,12 +1232,12 @@ static int cma_iw_handler(struct iw_cm_id *iw_id, struct iw_cm_event *iw_event)
/* Destroy the CM ID by returning a non-zero value. */
id_priv->cm_id.iw = NULL;
cma_exch(id_priv, CMA_DESTROYING);
cma_release_remove(id_priv);
cma_enable_remove(id_priv);
rdma_destroy_id(&id_priv->id);
return ret;
}
cma_release_remove(id_priv);
cma_enable_remove(id_priv);
return ret;
}
@ -1234,11 +1252,8 @@ static int iw_conn_req_handler(struct iw_cm_id *cm_id,
int ret;
listen_id = cm_id->context;
atomic_inc(&listen_id->dev_remove);
if (!cma_comp(listen_id, CMA_LISTEN)) {
ret = -ECONNABORTED;
goto out;
}
if (cma_disable_remove(listen_id, CMA_LISTEN))
return -ECONNABORTED;
/* Create a new RDMA id for the new IW CM ID */
new_cm_id = rdma_create_id(listen_id->id.event_handler,
@ -1255,13 +1270,13 @@ static int iw_conn_req_handler(struct iw_cm_id *cm_id,
dev = ip_dev_find(iw_event->local_addr.sin_addr.s_addr);
if (!dev) {
ret = -EADDRNOTAVAIL;
cma_release_remove(conn_id);
cma_enable_remove(conn_id);
rdma_destroy_id(new_cm_id);
goto out;
}
ret = rdma_copy_addr(&conn_id->id.route.addr.dev_addr, dev, NULL);
if (ret) {
cma_release_remove(conn_id);
cma_enable_remove(conn_id);
rdma_destroy_id(new_cm_id);
goto out;
}
@ -1270,7 +1285,7 @@ static int iw_conn_req_handler(struct iw_cm_id *cm_id,
ret = cma_acquire_dev(conn_id);
mutex_unlock(&lock);
if (ret) {
cma_release_remove(conn_id);
cma_enable_remove(conn_id);
rdma_destroy_id(new_cm_id);
goto out;
}
@ -1293,14 +1308,14 @@ static int iw_conn_req_handler(struct iw_cm_id *cm_id,
/* User wants to destroy the CM ID */
conn_id->cm_id.iw = NULL;
cma_exch(conn_id, CMA_DESTROYING);
cma_release_remove(conn_id);
cma_enable_remove(conn_id);
rdma_destroy_id(&conn_id->id);
}
out:
if (dev)
dev_put(dev);
cma_release_remove(listen_id);
cma_enable_remove(listen_id);
return ret;
}
@ -1519,7 +1534,7 @@ static void cma_work_handler(struct work_struct *_work)
destroy = 1;
}
out:
cma_release_remove(id_priv);
cma_enable_remove(id_priv);
cma_deref_id(id_priv);
if (destroy)
rdma_destroy_id(&id_priv->id);
@ -1711,13 +1726,13 @@ static void addr_handler(int status, struct sockaddr *src_addr,
if (id_priv->id.event_handler(&id_priv->id, &event)) {
cma_exch(id_priv, CMA_DESTROYING);
cma_release_remove(id_priv);
cma_enable_remove(id_priv);
cma_deref_id(id_priv);
rdma_destroy_id(&id_priv->id);
return;
}
out:
cma_release_remove(id_priv);
cma_enable_remove(id_priv);
cma_deref_id(id_priv);
}
@ -2042,11 +2057,10 @@ static int cma_sidr_rep_handler(struct ib_cm_id *cm_id,
struct ib_cm_sidr_rep_event_param *rep = &ib_event->param.sidr_rep_rcvd;
int ret = 0;
memset(&event, 0, sizeof event);
atomic_inc(&id_priv->dev_remove);
if (!cma_comp(id_priv, CMA_CONNECT))
goto out;
if (cma_disable_remove(id_priv, CMA_CONNECT))
return 0;
memset(&event, 0, sizeof event);
switch (ib_event->event) {
case IB_CM_SIDR_REQ_ERROR:
event.event = RDMA_CM_EVENT_UNREACHABLE;
@ -2084,12 +2098,12 @@ static int cma_sidr_rep_handler(struct ib_cm_id *cm_id,
/* Destroy the CM ID by returning a non-zero value. */
id_priv->cm_id.ib = NULL;
cma_exch(id_priv, CMA_DESTROYING);
cma_release_remove(id_priv);
cma_enable_remove(id_priv);
rdma_destroy_id(&id_priv->id);
return ret;
}
out:
cma_release_remove(id_priv);
cma_enable_remove(id_priv);
return ret;
}
@ -2413,7 +2427,7 @@ int rdma_notify(struct rdma_cm_id *id, enum ib_event_type event)
int ret;
id_priv = container_of(id, struct rdma_id_private, id);
if (!cma_comp(id_priv, CMA_CONNECT))
if (!cma_has_cm_dev(id_priv))
return -EINVAL;
switch (id->device->node_type) {
@ -2435,7 +2449,7 @@ int rdma_reject(struct rdma_cm_id *id, const void *private_data,
int ret;
id_priv = container_of(id, struct rdma_id_private, id);
if (!cma_comp(id_priv, CMA_CONNECT))
if (!cma_has_cm_dev(id_priv))
return -EINVAL;
switch (rdma_node_get_transport(id->device->node_type)) {
@ -2466,8 +2480,7 @@ int rdma_disconnect(struct rdma_cm_id *id)
int ret;
id_priv = container_of(id, struct rdma_id_private, id);
if (!cma_comp(id_priv, CMA_CONNECT) &&
!cma_comp(id_priv, CMA_DISCONNECT))
if (!cma_has_cm_dev(id_priv))
return -EINVAL;
switch (rdma_node_get_transport(id->device->node_type)) {
@ -2499,10 +2512,9 @@ static int cma_ib_mc_handler(int status, struct ib_sa_multicast *multicast)
int ret;
id_priv = mc->id_priv;
atomic_inc(&id_priv->dev_remove);
if (!cma_comp(id_priv, CMA_ADDR_BOUND) &&
!cma_comp(id_priv, CMA_ADDR_RESOLVED))
goto out;
if (cma_disable_remove(id_priv, CMA_ADDR_BOUND) &&
cma_disable_remove(id_priv, CMA_ADDR_RESOLVED))
return 0;
if (!status && id_priv->id.qp)
status = ib_attach_mcast(id_priv->id.qp, &multicast->rec.mgid,
@ -2524,12 +2536,12 @@ static int cma_ib_mc_handler(int status, struct ib_sa_multicast *multicast)
ret = id_priv->id.event_handler(&id_priv->id, &event);
if (ret) {
cma_exch(id_priv, CMA_DESTROYING);
cma_release_remove(id_priv);
cma_enable_remove(id_priv);
rdma_destroy_id(&id_priv->id);
return 0;
}
out:
cma_release_remove(id_priv);
cma_enable_remove(id_priv);
return 0;
}

1
drivers/infiniband/hw/ehca/ehca_classes.h
View File

@ -277,6 +277,7 @@ void ehca_cleanup_mrmw_cache(void);
extern spinlock_t ehca_qp_idr_lock;
extern spinlock_t ehca_cq_idr_lock;
extern spinlock_t hcall_lock;
extern struct idr ehca_qp_idr;
extern struct idr ehca_cq_idr;

7
drivers/infiniband/hw/ehca/ehca_irq.c
View File

@ -517,12 +517,11 @@ void ehca_process_eq(struct ehca_shca *shca, int is_irq)
else {
struct ehca_cq *cq = eq->eqe_cache[i].cq;
comp_event_callback(cq);
spin_lock_irqsave(&ehca_cq_idr_lock, flags);
spin_lock(&ehca_cq_idr_lock);
cq->nr_events--;
if (!cq->nr_events)
wake_up(&cq->wait_completion);
spin_unlock_irqrestore(&ehca_cq_idr_lock,
flags);
spin_unlock(&ehca_cq_idr_lock);
}
} else {
ehca_dbg(&shca->ib_device, "Got non completion event");
@ -711,6 +710,7 @@ static void destroy_comp_task(struct ehca_comp_pool *pool,
kthread_stop(task);
}
#ifdef CONFIG_HOTPLUG_CPU
static void take_over_work(struct ehca_comp_pool *pool,
int cpu)
{
@ -735,7 +735,6 @@ static void take_over_work(struct ehca_comp_pool *pool,
}
#ifdef CONFIG_HOTPLUG_CPU
static int comp_pool_callback(struct notifier_block *nfb,
unsigned long action,
void *hcpu)

94
drivers/infiniband/hw/ehca/ehca_main.c
View File

@ -52,7 +52,7 @@
MODULE_LICENSE("Dual BSD/GPL");
MODULE_AUTHOR("Christoph Raisch <raisch@de.ibm.com>");
MODULE_DESCRIPTION("IBM eServer HCA InfiniBand Device Driver");
MODULE_VERSION("SVNEHCA_0022");
MODULE_VERSION("SVNEHCA_0023");
int ehca_open_aqp1 = 0;
int ehca_debug_level = 0;
@ -62,7 +62,7 @@ int ehca_use_hp_mr = 0;
int ehca_port_act_time = 30;
int ehca_poll_all_eqs = 1;
int ehca_static_rate = -1;
int ehca_scaling_code = 1;
int ehca_scaling_code = 0;
module_param_named(open_aqp1, ehca_open_aqp1, int, 0);
module_param_named(debug_level, ehca_debug_level, int, 0);
@ -98,6 +98,7 @@ MODULE_PARM_DESC(scaling_code,
spinlock_t ehca_qp_idr_lock;
spinlock_t ehca_cq_idr_lock;
spinlock_t hcall_lock;
DEFINE_IDR(ehca_qp_idr);
DEFINE_IDR(ehca_cq_idr);
@ -453,15 +454,14 @@ static ssize_t ehca_store_debug_level(struct device_driver *ddp,
DRIVER_ATTR(debug_level, S_IRUSR | S_IWUSR,
ehca_show_debug_level, ehca_store_debug_level);
void ehca_create_driver_sysfs(struct ibmebus_driver *drv)
{
driver_create_file(&drv->driver, &driver_attr_debug_level);
}
static struct attribute *ehca_drv_attrs[] = {
&driver_attr_debug_level.attr,
NULL
};
void ehca_remove_driver_sysfs(struct ibmebus_driver *drv)
{
driver_remove_file(&drv->driver, &driver_attr_debug_level);
}
static struct attribute_group ehca_drv_attr_grp = {
.attrs = ehca_drv_attrs
};
#define EHCA_RESOURCE_ATTR(name) \
static ssize_t ehca_show_##name(struct device *dev, \
@ -523,44 +523,28 @@ static ssize_t ehca_show_adapter_handle(struct device *dev,
}
static DEVICE_ATTR(adapter_handle, S_IRUGO, ehca_show_adapter_handle, NULL);
static struct attribute *ehca_dev_attrs[] = {
&dev_attr_adapter_handle.attr,
&dev_attr_num_ports.attr,
&dev_attr_hw_ver.attr,
&dev_attr_max_eq.attr,
&dev_attr_cur_eq.attr,
&dev_attr_max_cq.attr,
&dev_attr_cur_cq.attr,
&dev_attr_max_qp.attr,
&dev_attr_cur_qp.attr,
&dev_attr_max_mr.attr,
&dev_attr_cur_mr.attr,
&dev_attr_max_mw.attr,
&dev_attr_cur_mw.attr,
&dev_attr_max_pd.attr,
&dev_attr_max_ah.attr,
NULL
};
void ehca_create_device_sysfs(struct ibmebus_dev *dev)
{
device_create_file(&dev->ofdev.dev, &dev_attr_adapter_handle);
device_create_file(&dev->ofdev.dev, &dev_attr_num_ports);
device_create_file(&dev->ofdev.dev, &dev_attr_hw_ver);
device_create_file(&dev->ofdev.dev, &dev_attr_max_eq);
device_create_file(&dev->ofdev.dev, &dev_attr_cur_eq);
device_create_file(&dev->ofdev.dev, &dev_attr_max_cq);
device_create_file(&dev->ofdev.dev, &dev_attr_cur_cq);
device_create_file(&dev->ofdev.dev, &dev_attr_max_qp);
device_create_file(&dev->ofdev.dev, &dev_attr_cur_qp);
device_create_file(&dev->ofdev.dev, &dev_attr_max_mr);
device_create_file(&dev->ofdev.dev, &dev_attr_cur_mr);
device_create_file(&dev->ofdev.dev, &dev_attr_max_mw);
device_create_file(&dev->ofdev.dev, &dev_attr_cur_mw);
device_create_file(&dev->ofdev.dev, &dev_attr_max_pd);
device_create_file(&dev->ofdev.dev, &dev_attr_max_ah);
}
void ehca_remove_device_sysfs(struct ibmebus_dev *dev)
{
device_remove_file(&dev->ofdev.dev, &dev_attr_adapter_handle);
device_remove_file(&dev->ofdev.dev, &dev_attr_num_ports);
device_remove_file(&dev->ofdev.dev, &dev_attr_hw_ver);
device_remove_file(&dev->ofdev.dev, &dev_attr_max_eq);
device_remove_file(&dev->ofdev.dev, &dev_attr_cur_eq);
device_remove_file(&dev->ofdev.dev, &dev_attr_max_cq);
device_remove_file(&dev->ofdev.dev, &dev_attr_cur_cq);
device_remove_file(&dev->ofdev.dev, &dev_attr_max_qp);
device_remove_file(&dev->ofdev.dev, &dev_attr_cur_qp);
device_remove_file(&dev->ofdev.dev, &dev_attr_max_mr);
device_remove_file(&dev->ofdev.dev, &dev_attr_cur_mr);
device_remove_file(&dev->ofdev.dev, &dev_attr_max_mw);
device_remove_file(&dev->ofdev.dev, &dev_attr_cur_mw);
device_remove_file(&dev->ofdev.dev, &dev_attr_max_pd);
device_remove_file(&dev->ofdev.dev, &dev_attr_max_ah);
}
static struct attribute_group ehca_dev_attr_grp = {
.attrs = ehca_dev_attrs
};
static int __devinit ehca_probe(struct ibmebus_dev *dev,
const struct of_device_id *id)
@ -668,7 +652,10 @@ static int __devinit ehca_probe(struct ibmebus_dev *dev,
}
}
ehca_create_device_sysfs(dev);
ret = sysfs_create_group(&dev->ofdev.dev.kobj, &ehca_dev_attr_grp);
if (ret) /* only complain; we can live without attributes */
ehca_err(&shca->ib_device,
"Cannot create device attributes ret=%d", ret);
spin_lock(&shca_list_lock);
list_add(&shca->shca_list, &shca_list);
@ -720,7 +707,7 @@ static int __devexit ehca_remove(struct ibmebus_dev *dev)
struct ehca_shca *shca = dev->ofdev.dev.driver_data;
int ret;
ehca_remove_device_sysfs(dev);
sysfs_remove_group(&dev->ofdev.dev.kobj, &ehca_dev_attr_grp);
if (ehca_open_aqp1 == 1) {
int i;
@ -812,11 +799,12 @@ int __init ehca_module_init(void)
int ret;
printk(KERN_INFO "eHCA Infiniband Device Driver "
"(Rel.: SVNEHCA_0022)\n");
"(Rel.: SVNEHCA_0023)\n");
idr_init(&ehca_qp_idr);
idr_init(&ehca_cq_idr);
spin_lock_init(&ehca_qp_idr_lock);
spin_lock_init(&ehca_cq_idr_lock);
spin_lock_init(&hcall_lock);
INIT_LIST_HEAD(&shca_list);
spin_lock_init(&shca_list_lock);
@ -838,7 +826,9 @@ int __init ehca_module_init(void)
goto module_init2;
}
ehca_create_driver_sysfs(&ehca_driver);
ret = sysfs_create_group(&ehca_driver.driver.kobj, &ehca_drv_attr_grp);
if (ret) /* only complain; we can live without attributes */
ehca_gen_err("Cannot create driver attributes ret=%d", ret);
if (ehca_poll_all_eqs != 1) {
ehca_gen_err("WARNING!!!");
@ -865,7 +855,7 @@ void __exit ehca_module_exit(void)
if (ehca_poll_all_eqs == 1)
del_timer_sync(&poll_eqs_timer);
ehca_remove_driver_sysfs(&ehca_driver);
sysfs_remove_group(&ehca_driver.driver.kobj, &ehca_drv_attr_grp);
ibmebus_unregister_driver(&ehca_driver);
ehca_destroy_slab_caches();

17
drivers/infiniband/hw/ehca/ehca_qp.c
View File

@ -523,6 +523,8 @@ struct ib_qp *ehca_create_qp(struct ib_pd *pd,
goto create_qp_exit1;
}
my_qp->ib_qp.qp_num = my_qp->real_qp_num;
switch (init_attr->qp_type) {
case IB_QPT_RC:
if (isdaqp == 0) {
@ -568,7 +570,7 @@ struct ib_qp *ehca_create_qp(struct ib_pd *pd,
parms.act_nr_recv_wqes = init_attr->cap.max_recv_wr;
parms.act_nr_send_sges = init_attr->cap.max_send_sge;
parms.act_nr_recv_sges = init_attr->cap.max_recv_sge;
my_qp->real_qp_num =
my_qp->ib_qp.qp_num =
(init_attr->qp_type == IB_QPT_SMI) ? 0 : 1;
}
@ -595,7 +597,6 @@ struct ib_qp *ehca_create_qp(struct ib_pd *pd,
my_qp->ib_qp.recv_cq = init_attr->recv_cq;
my_qp->ib_qp.send_cq = init_attr->send_cq;
my_qp->ib_qp.qp_num = my_qp->real_qp_num;
my_qp->ib_qp.qp_type = init_attr->qp_type;
my_qp->qp_type = init_attr->qp_type;
@ -968,17 +969,21 @@ static int internal_modify_qp(struct ib_qp *ibqp,
((ehca_mult - 1) / ah_mult) : 0;
else
mqpcb->max_static_rate = 0;
update_mask |= EHCA_BMASK_SET(MQPCB_MASK_MAX_STATIC_RATE, 1);
/*
* Always supply the GRH flag, even if it's zero, to give the
* hypervisor a clear "yes" or "no" instead of a "perhaps"
*/
update_mask |= EHCA_BMASK_SET(MQPCB_MASK_SEND_GRH_FLAG, 1);
/*
* only if GRH is TRUE we might consider SOURCE_GID_IDX
* and DEST_GID otherwise phype will return H_ATTR_PARM!!!
*/
if (attr->ah_attr.ah_flags == IB_AH_GRH) {
mqpcb->send_grh_flag = 1 << 31;
update_mask |=
EHCA_BMASK_SET(MQPCB_MASK_SEND_GRH_FLAG, 1);
mqpcb->send_grh_flag = 1;
mqpcb->source_gid_idx = attr->ah_attr.grh.sgid_index;
update_mask |=
EHCA_BMASK_SET(MQPCB_MASK_SOURCE_GID_IDX, 1);

13
drivers/infiniband/hw/ehca/hcp_if.c
View File

@ -154,7 +154,8 @@ static long ehca_plpar_hcall9(unsigned long opcode,
unsigned long arg9)
{
long ret;
int i, sleep_msecs;
int i, sleep_msecs, lock_is_set = 0;
unsigned long flags;
ehca_gen_dbg("opcode=%lx arg1=%lx arg2=%lx arg3=%lx arg4=%lx "
"arg5=%lx arg6=%lx arg7=%lx arg8=%lx arg9=%lx",
@ -162,10 +163,18 @@ static long ehca_plpar_hcall9(unsigned long opcode,
arg8, arg9);
for (i = 0; i < 5; i++) {
if ((opcode == H_ALLOC_RESOURCE) && (arg2 == 5)) {
spin_lock_irqsave(&hcall_lock, flags);
lock_is_set = 1;
}
ret = plpar_hcall9(opcode, outs,
arg1, arg2, arg3, arg4, arg5,
arg6, arg7, arg8, arg9);
if (lock_is_set)
spin_unlock_irqrestore(&hcall_lock, flags);
if (H_IS_LONG_BUSY(ret)) {
sleep_msecs = get_longbusy_msecs(ret);
msleep_interruptible(sleep_msecs);
@ -193,11 +202,11 @@ static long ehca_plpar_hcall9(unsigned long opcode,
opcode, ret, outs[0], outs[1], outs[2], outs[3],
outs[4], outs[5], outs[6], outs[7], outs[8]);
return ret;
}
return H_BUSY;
}
u64 hipz_h_alloc_resource_eq(const struct ipz_adapter_handle adapter_handle,
struct ehca_pfeq *pfeq,
const u32 neq_control,

7
drivers/infiniband/hw/ipath/ipath_iba6120.c
View File

@ -747,7 +747,6 @@ static void ipath_pe_quiet_serdes(struct ipath_devdata *dd)
static int ipath_pe_intconfig(struct ipath_devdata *dd)
{
u64 val;
u32 chiprev;
/*
@ -760,9 +759,9 @@ static int ipath_pe_intconfig(struct ipath_devdata *dd)
if ((chiprev & INFINIPATH_R_CHIPREVMINOR_MASK) > 1) {
/* Rev2+ reports extra errors via internal GPIO pins */
dd->ipath_flags |= IPATH_GPIO_ERRINTRS;
val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_gpio_mask);
val |= IPATH_GPIO_ERRINTR_MASK;
ipath_write_kreg( dd, dd->ipath_kregs->kr_gpio_mask, val);
dd->ipath_gpio_mask |= IPATH_GPIO_ERRINTR_MASK;
ipath_write_kreg(dd, dd->ipath_kregs->kr_gpio_mask,
dd->ipath_gpio_mask);
}
return 0;
}

7
drivers/infiniband/hw/ipath/ipath_intr.c
View File

@ -1056,7 +1056,7 @@ irqreturn_t ipath_intr(int irq, void *data)
gpiostatus &= ~(1 << IPATH_GPIO_PORT0_BIT);
chk0rcv = 1;
}
if (unlikely(gpiostatus)) {
if (gpiostatus) {
/*
* Some unexpected bits remain. If they could have
* caused the interrupt, complain and clear.
@ -1065,9 +1065,8 @@ irqreturn_t ipath_intr(int irq, void *data)
* GPIO interrupts, possibly on a "three strikes"
* basis.
*/
u32 mask;
mask = ipath_read_kreg32(
dd, dd->ipath_kregs->kr_gpio_mask);
const u32 mask = (u32) dd->ipath_gpio_mask;
if (mask & gpiostatus) {
ipath_dbg("Unexpected GPIO IRQ bits %x\n",
gpiostatus & mask);

2
drivers/infiniband/hw/ipath/ipath_kernel.h
View File

@ -397,6 +397,8 @@ struct ipath_devdata {
unsigned long ipath_pioavailshadow[8];
/* shadow of kr_gpio_out, for rmw ops */
u64 ipath_gpio_out;
/* shadow the gpio mask register */
u64 ipath_gpio_mask;
/* kr_revision shadow */
u64 ipath_revision;
/*

12
drivers/infiniband/hw/ipath/ipath_verbs.c
View File

@ -1387,13 +1387,12 @@ static int enable_timer(struct ipath_devdata *dd)
* processing.
*/
if (dd->ipath_flags & IPATH_GPIO_INTR) {
u64 val;
ipath_write_kreg(dd, dd->ipath_kregs->kr_debugportselect,
0x2074076542310ULL);
/* Enable GPIO bit 2 interrupt */
val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_gpio_mask);
val |= (u64) (1 << IPATH_GPIO_PORT0_BIT);
ipath_write_kreg( dd, dd->ipath_kregs->kr_gpio_mask, val);
dd->ipath_gpio_mask |= (u64) (1 << IPATH_GPIO_PORT0_BIT);
ipath_write_kreg(dd, dd->ipath_kregs->kr_gpio_mask,
dd->ipath_gpio_mask);
}
init_timer(&dd->verbs_timer);
@ -1412,8 +1411,9 @@ static int disable_timer(struct ipath_devdata *dd)
u64 val;
/* Disable GPIO bit 2 interrupt */
val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_gpio_mask);
val &= ~((u64) (1 << IPATH_GPIO_PORT0_BIT));
ipath_write_kreg( dd, dd->ipath_kregs->kr_gpio_mask, val);
dd->ipath_gpio_mask &= ~((u64) (1 << IPATH_GPIO_PORT0_BIT));
ipath_write_kreg(dd, dd->ipath_kregs->kr_gpio_mask,
dd->ipath_gpio_mask);
/*
* We might want to undo changes to debugportselect,
* but how?

1
drivers/infiniband/hw/mlx4/main.c
View File

@ -489,6 +489,7 @@ static void *mlx4_ib_add(struct mlx4_dev *dev)
ibdev->uar_map = ioremap(ibdev->priv_uar.pfn << PAGE_SHIFT, PAGE_SIZE);
if (!ibdev->uar_map)
goto err_uar;
MLX4_INIT_DOORBELL_LOCK(&ibdev->uar_lock);
INIT_LIST_HEAD(&ibdev->pgdir_list);
mutex_init(&ibdev->pgdir_mutex);

4
drivers/infiniband/hw/mthca/mthca_cq.c
View File

@ -284,7 +284,7 @@ void mthca_cq_clean(struct mthca_dev *dev, struct mthca_cq *cq, u32 qpn,
{
struct mthca_cqe *cqe;
u32 prod_index;
int nfreed = 0;
int i, nfreed = 0;
spin_lock_irq(&cq->lock);
@ -321,6 +321,8 @@ void mthca_cq_clean(struct mthca_dev *dev, struct mthca_cq *cq, u32 qpn,
}
if (nfreed) {
for (i = 0; i < nfreed; ++i)
set_cqe_hw(get_cqe(cq, (cq->cons_index + i) & cq->ibcq.cqe));
wmb();
cq->cons_index += nfreed;
update_cons_index(dev, cq, nfreed);

1
drivers/infiniband/hw/mthca/mthca_qp.c
View File

@ -1862,6 +1862,7 @@ int mthca_tavor_post_receive(struct ib_qp *ibqp, struct ib_recv_wr *wr,
dev->kar + MTHCA_RECEIVE_DOORBELL,
MTHCA_GET_DOORBELL_LOCK(&dev->doorbell_lock));
qp->rq.next_ind = ind;
qp->rq.head += MTHCA_TAVOR_MAX_WQES_PER_RECV_DB;
size0 = 0;
}

11
drivers/infiniband/ulp/ipoib/ipoib_cm.c
View File

@ -257,10 +257,11 @@ static int ipoib_cm_req_handler(struct ib_cm_id *cm_id, struct ib_cm_event *even
cm_id->context = p;
p->jiffies = jiffies;
spin_lock_irq(&priv->lock);
if (list_empty(&priv->cm.passive_ids))
queue_delayed_work(ipoib_workqueue,
&priv->cm.stale_task, IPOIB_CM_RX_DELAY);
list_add(&p->list, &priv->cm.passive_ids);
spin_unlock_irq(&priv->lock);
queue_delayed_work(ipoib_workqueue,
&priv->cm.stale_task, IPOIB_CM_RX_DELAY);
return 0;
err_rep:
@ -378,8 +379,6 @@ void ipoib_cm_handle_rx_wc(struct net_device *dev, struct ib_wc *wc)
if (!list_empty(&p->list))
list_move(&p->list, &priv->cm.passive_ids);
spin_unlock_irqrestore(&priv->lock, flags);
queue_delayed_work(ipoib_workqueue,
&priv->cm.stale_task, IPOIB_CM_RX_DELAY);
}
}
@ -1100,6 +1099,10 @@ static void ipoib_cm_stale_task(struct work_struct *work)
kfree(p);
spin_lock_irq(&priv->lock);
}
if (!list_empty(&priv->cm.passive_ids))
queue_delayed_work(ipoib_workqueue,
&priv->cm.stale_task, IPOIB_CM_RX_DELAY);
spin_unlock_irq(&priv->lock);
}

1
drivers/net/Kconfig
View File

@ -2508,6 +2508,7 @@ config MLX4_CORE
config MLX4_DEBUG
bool "Verbose debugging output" if (MLX4_CORE && EMBEDDED)
depends on MLX4_CORE
default y
---help---
This option causes debugging code to be compiled into the

2
drivers/net/mlx4/main.c
View File

@ -542,8 +542,6 @@ static int __devinit mlx4_setup_hca(struct mlx4_dev *dev)
struct mlx4_priv *priv = mlx4_priv(dev);
int err;
MLX4_INIT_DOORBELL_LOCK(&priv->doorbell_lock);
err = mlx4_init_uar_table(dev);
if (err) {
mlx4_err(dev, "Failed to initialize "

1
drivers/net/mlx4/mlx4.h
View File

@ -275,7 +275,6 @@ struct mlx4_priv {
struct mlx4_uar driver_uar;
void __iomem *kar;
MLX4_DECLARE_DOORBELL_LOCK(doorbell_lock)
u32 rev_id;
char board_id[MLX4_BOARD_ID_LEN];