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-rw-r--r--drivers/infiniband/hw/ehca/ehca_classes.h9
-rw-r--r--drivers/infiniband/hw/ehca/ehca_qes.h1
-rw-r--r--drivers/infiniband/hw/ehca/ehca_qp.c48
-rw-r--r--drivers/infiniband/hw/ehca/ehca_reqs.c60
-rw-r--r--drivers/infiniband/hw/ehca/ehca_tools.h1
-rw-r--r--drivers/infiniband/hw/ipath/ipath_fs.c1
-rw-r--r--drivers/infiniband/hw/ipath/ipath_iba7220.c2
-rw-r--r--drivers/infiniband/hw/ipath/ipath_ud.c8
-rw-r--r--drivers/infiniband/hw/mlx4/mr.c2
-rw-r--r--drivers/infiniband/hw/nes/nes.h1
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_cm.c17
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_main.c19
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_multicast.c10
-rw-r--r--drivers/infiniband/ulp/iser/iser_verbs.c1
14 files changed, 131 insertions, 49 deletions
diff --git a/drivers/infiniband/hw/ehca/ehca_classes.h b/drivers/infiniband/hw/ehca/ehca_classes.h
index 0b0618edd64..1ab919f836a 100644
--- a/drivers/infiniband/hw/ehca/ehca_classes.h
+++ b/drivers/infiniband/hw/ehca/ehca_classes.h
@@ -156,6 +156,14 @@ struct ehca_mod_qp_parm {
#define EHCA_MOD_QP_PARM_MAX 4
+#define QMAP_IDX_MASK 0xFFFFULL
+
+/* struct for tracking if cqes have been reported to the application */
+struct ehca_qmap_entry {
+ u16 app_wr_id;
+ u16 reported;
+};
+
struct ehca_qp {
union {
struct ib_qp ib_qp;
@@ -165,6 +173,7 @@ struct ehca_qp {
enum ehca_ext_qp_type ext_type;
enum ib_qp_state state;
struct ipz_queue ipz_squeue;
+ struct ehca_qmap_entry *sq_map;
struct ipz_queue ipz_rqueue;
struct h_galpas galpas;
u32 qkey;
diff --git a/drivers/infiniband/hw/ehca/ehca_qes.h b/drivers/infiniband/hw/ehca/ehca_qes.h
index 818803057eb..5d28e3e98a2 100644
--- a/drivers/infiniband/hw/ehca/ehca_qes.h
+++ b/drivers/infiniband/hw/ehca/ehca_qes.h
@@ -213,6 +213,7 @@ struct ehca_wqe {
#define WC_STATUS_ERROR_BIT 0x80000000
#define WC_STATUS_REMOTE_ERROR_FLAGS 0x0000F800
#define WC_STATUS_PURGE_BIT 0x10
+#define WC_SEND_RECEIVE_BIT 0x80
struct ehca_cqe {
u64 work_request_id;
diff --git a/drivers/infiniband/hw/ehca/ehca_qp.c b/drivers/infiniband/hw/ehca/ehca_qp.c
index ea13efddf17..b6bcee03673 100644
--- a/drivers/infiniband/hw/ehca/ehca_qp.c
+++ b/drivers/infiniband/hw/ehca/ehca_qp.c
@@ -412,6 +412,7 @@ static struct ehca_qp *internal_create_qp(
struct ehca_shca *shca = container_of(pd->device, struct ehca_shca,
ib_device);
struct ib_ucontext *context = NULL;
+ u32 nr_qes;
u64 h_ret;
int is_llqp = 0, has_srq = 0;
int qp_type, max_send_sge, max_recv_sge, ret;
@@ -715,6 +716,15 @@ static struct ehca_qp *internal_create_qp(
"and pages ret=%i", ret);
goto create_qp_exit2;
}
+ nr_qes = my_qp->ipz_squeue.queue_length /
+ my_qp->ipz_squeue.qe_size;
+ my_qp->sq_map = vmalloc(nr_qes *
+ sizeof(struct ehca_qmap_entry));
+ if (!my_qp->sq_map) {
+ ehca_err(pd->device, "Couldn't allocate squeue "
+ "map ret=%i", ret);
+ goto create_qp_exit3;
+ }
}
if (HAS_RQ(my_qp)) {
@@ -724,7 +734,7 @@ static struct ehca_qp *internal_create_qp(
if (ret) {
ehca_err(pd->device, "Couldn't initialize rqueue "
"and pages ret=%i", ret);
- goto create_qp_exit3;
+ goto create_qp_exit4;
}
}
@@ -770,7 +780,7 @@ static struct ehca_qp *internal_create_qp(
if (!my_qp->mod_qp_parm) {
ehca_err(pd->device,
"Could not alloc mod_qp_parm");
- goto create_qp_exit4;
+ goto create_qp_exit5;
}
}
}
@@ -780,7 +790,7 @@ static struct ehca_qp *internal_create_qp(
h_ret = ehca_define_sqp(shca, my_qp, init_attr);
if (h_ret != H_SUCCESS) {
ret = ehca2ib_return_code(h_ret);
- goto create_qp_exit5;
+ goto create_qp_exit6;
}
}
@@ -789,7 +799,7 @@ static struct ehca_qp *internal_create_qp(
if (ret) {
ehca_err(pd->device,
"Couldn't assign qp to send_cq ret=%i", ret);
- goto create_qp_exit5;
+ goto create_qp_exit6;
}
}
@@ -815,22 +825,26 @@ static struct ehca_qp *internal_create_qp(
if (ib_copy_to_udata(udata, &resp, sizeof resp)) {
ehca_err(pd->device, "Copy to udata failed");
ret = -EINVAL;
- goto create_qp_exit6;
+ goto create_qp_exit7;
}
}
return my_qp;
-create_qp_exit6:
+create_qp_exit7:
ehca_cq_unassign_qp(my_qp->send_cq, my_qp->real_qp_num);
-create_qp_exit5:
+create_qp_exit6:
kfree(my_qp->mod_qp_parm);
-create_qp_exit4:
+create_qp_exit5:
if (HAS_RQ(my_qp))
ipz_queue_dtor(my_pd, &my_qp->ipz_rqueue);
+create_qp_exit4:
+ if (HAS_SQ(my_qp))
+ vfree(my_qp->sq_map);
+
create_qp_exit3:
if (HAS_SQ(my_qp))
ipz_queue_dtor(my_pd, &my_qp->ipz_squeue);
@@ -1534,8 +1548,6 @@ static int internal_modify_qp(struct ib_qp *ibqp,
if (attr_mask & IB_QP_QKEY)
my_qp->qkey = attr->qkey;
- my_qp->state = qp_new_state;
-
modify_qp_exit2:
if (squeue_locked) { /* this means: sqe -> rts */
spin_unlock_irqrestore(&my_qp->spinlock_s, flags);
@@ -1551,6 +1563,8 @@ modify_qp_exit1:
int ehca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask,
struct ib_udata *udata)
{
+ int ret = 0;
+
struct ehca_shca *shca = container_of(ibqp->device, struct ehca_shca,
ib_device);
struct ehca_qp *my_qp = container_of(ibqp, struct ehca_qp, ib_qp);
@@ -1597,12 +1611,18 @@ int ehca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask,
attr->qp_state, my_qp->init_attr.port_num,
ibqp->qp_type);
spin_unlock_irqrestore(&sport->mod_sqp_lock, flags);
- return 0;
+ goto out;
}
spin_unlock_irqrestore(&sport->mod_sqp_lock, flags);
}
- return internal_modify_qp(ibqp, attr, attr_mask, 0);
+ ret = internal_modify_qp(ibqp, attr, attr_mask, 0);
+
+out:
+ if ((ret == 0) && (attr_mask & IB_QP_STATE))
+ my_qp->state = attr->qp_state;
+
+ return ret;
}
void ehca_recover_sqp(struct ib_qp *sqp)
@@ -1973,8 +1993,10 @@ static int internal_destroy_qp(struct ib_device *dev, struct ehca_qp *my_qp,
if (HAS_RQ(my_qp))
ipz_queue_dtor(my_pd, &my_qp->ipz_rqueue);
- if (HAS_SQ(my_qp))
+ if (HAS_SQ(my_qp)) {
ipz_queue_dtor(my_pd, &my_qp->ipz_squeue);
+ vfree(my_qp->sq_map);
+ }
kmem_cache_free(qp_cache, my_qp);
atomic_dec(&shca->num_qps);
return 0;
diff --git a/drivers/infiniband/hw/ehca/ehca_reqs.c b/drivers/infiniband/hw/ehca/ehca_reqs.c
index 898c8b5c38d..4426d82fe79 100644
--- a/drivers/infiniband/hw/ehca/ehca_reqs.c
+++ b/drivers/infiniband/hw/ehca/ehca_reqs.c
@@ -139,6 +139,7 @@ static void trace_send_wr_ud(const struct ib_send_wr *send_wr)
static inline int ehca_write_swqe(struct ehca_qp *qp,
struct ehca_wqe *wqe_p,
const struct ib_send_wr *send_wr,
+ u32 sq_map_idx,
int hidden)
{
u32 idx;
@@ -157,7 +158,11 @@ static inline int ehca_write_swqe(struct ehca_qp *qp,
/* clear wqe header until sglist */
memset(wqe_p, 0, offsetof(struct ehca_wqe, u.ud_av.sg_list));
- wqe_p->work_request_id = send_wr->wr_id;
+ wqe_p->work_request_id = send_wr->wr_id & ~QMAP_IDX_MASK;
+ wqe_p->work_request_id |= sq_map_idx & QMAP_IDX_MASK;
+
+ qp->sq_map[sq_map_idx].app_wr_id = send_wr->wr_id & QMAP_IDX_MASK;
+ qp->sq_map[sq_map_idx].reported = 0;
switch (send_wr->opcode) {
case IB_WR_SEND:
@@ -381,6 +386,7 @@ static inline int post_one_send(struct ehca_qp *my_qp,
{
struct ehca_wqe *wqe_p;
int ret;
+ u32 sq_map_idx;
u64 start_offset = my_qp->ipz_squeue.current_q_offset;
/* get pointer next to free WQE */
@@ -393,8 +399,15 @@ static inline int post_one_send(struct ehca_qp *my_qp,
"qp_num=%x", my_qp->ib_qp.qp_num);
return -ENOMEM;
}
+
+ /*
+ * Get the index of the WQE in the send queue. The same index is used
+ * for writing into the sq_map.
+ */
+ sq_map_idx = start_offset / my_qp->ipz_squeue.qe_size;
+
/* write a SEND WQE into the QUEUE */
- ret = ehca_write_swqe(my_qp, wqe_p, cur_send_wr, hidden);
+ ret = ehca_write_swqe(my_qp, wqe_p, cur_send_wr, sq_map_idx, hidden);
/*
* if something failed,
* reset the free entry pointer to the start value
@@ -589,7 +602,7 @@ static inline int ehca_poll_cq_one(struct ib_cq *cq, struct ib_wc *wc)
struct ehca_qp *my_qp;
int cqe_count = 0, is_error;
-poll_cq_one_read_cqe:
+repoll:
cqe = (struct ehca_cqe *)
ipz_qeit_get_inc_valid(&my_cq->ipz_queue);
if (!cqe) {
@@ -617,7 +630,7 @@ poll_cq_one_read_cqe:
ehca_dmp(cqe, 64, "cq_num=%x qp_num=%x",
my_cq->cq_number, cqe->local_qp_number);
/* ignore this purged cqe */
- goto poll_cq_one_read_cqe;
+ goto repoll;
}
spin_lock_irqsave(&qp->spinlock_s, flags);
purgeflag = qp->sqerr_purgeflag;
@@ -636,7 +649,7 @@ poll_cq_one_read_cqe:
* that caused sqe and turn off purge flag
*/
qp->sqerr_purgeflag = 0;
- goto poll_cq_one_read_cqe;
+ goto repoll;
}
}
@@ -654,8 +667,34 @@ poll_cq_one_read_cqe:
my_cq, my_cq->cq_number);
}
- /* we got a completion! */
- wc->wr_id = cqe->work_request_id;
+ read_lock(&ehca_qp_idr_lock);
+ my_qp = idr_find(&ehca_qp_idr, cqe->qp_token);
+ read_unlock(&ehca_qp_idr_lock);
+ if (!my_qp)
+ goto repoll;
+ wc->qp = &my_qp->ib_qp;
+
+ if (!(cqe->w_completion_flags & WC_SEND_RECEIVE_BIT)) {
+ struct ehca_qmap_entry *qmap_entry;
+ /*
+ * We got a send completion and need to restore the original
+ * wr_id.
+ */
+ qmap_entry = &my_qp->sq_map[cqe->work_request_id &
+ QMAP_IDX_MASK];
+
+ if (qmap_entry->reported) {
+ ehca_warn(cq->device, "Double cqe on qp_num=%#x",
+ my_qp->real_qp_num);
+ /* found a double cqe, discard it and read next one */
+ goto repoll;
+ }
+ wc->wr_id = cqe->work_request_id & ~QMAP_IDX_MASK;
+ wc->wr_id |= qmap_entry->app_wr_id;
+ qmap_entry->reported = 1;
+ } else
+ /* We got a receive completion. */
+ wc->wr_id = cqe->work_request_id;
/* eval ib_wc_opcode */
wc->opcode = ib_wc_opcode[cqe->optype]-1;
@@ -667,7 +706,7 @@ poll_cq_one_read_cqe:
ehca_dmp(cqe, 64, "ehca_cq=%p cq_num=%x",
my_cq, my_cq->cq_number);
/* update also queue adder to throw away this entry!!! */
- goto poll_cq_one_exit0;
+ goto repoll;
}
/* eval ib_wc_status */
@@ -678,11 +717,6 @@ poll_cq_one_read_cqe:
} else
wc->status = IB_WC_SUCCESS;
- read_lock(&ehca_qp_idr_lock);
- my_qp = idr_find(&ehca_qp_idr, cqe->qp_token);
- wc->qp = &my_qp->ib_qp;
- read_unlock(&ehca_qp_idr_lock);
-
wc->byte_len = cqe->nr_bytes_transferred;
wc->pkey_index = cqe->pkey_index;
wc->slid = cqe->rlid;
diff --git a/drivers/infiniband/hw/ehca/ehca_tools.h b/drivers/infiniband/hw/ehca/ehca_tools.h
index ec950bf8c47..21f7d06f14a 100644
--- a/drivers/infiniband/hw/ehca/ehca_tools.h
+++ b/drivers/infiniband/hw/ehca/ehca_tools.h
@@ -54,7 +54,6 @@
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/vmalloc.h>
-#include <linux/version.h>
#include <linux/notifier.h>
#include <linux/cpu.h>
#include <linux/device.h>
diff --git a/drivers/infiniband/hw/ipath/ipath_fs.c b/drivers/infiniband/hw/ipath/ipath_fs.c
index 23faba9d21e..8bb5170b4e4 100644
--- a/drivers/infiniband/hw/ipath/ipath_fs.c
+++ b/drivers/infiniband/hw/ipath/ipath_fs.c
@@ -31,7 +31,6 @@
* SOFTWARE.
*/
-#include <linux/version.h>
#include <linux/module.h>
#include <linux/fs.h>
#include <linux/mount.h>
diff --git a/drivers/infiniband/hw/ipath/ipath_iba7220.c b/drivers/infiniband/hw/ipath/ipath_iba7220.c
index d90f5e9a54f..9839e20119b 100644
--- a/drivers/infiniband/hw/ipath/ipath_iba7220.c
+++ b/drivers/infiniband/hw/ipath/ipath_iba7220.c
@@ -1720,7 +1720,7 @@ static void ipath_7220_put_tid(struct ipath_devdata *dd, u64 __iomem *tidptr,
"not 2KB aligned!\n", pa);
return;
}
- if (pa >= (1UL << IBA7220_TID_SZ_SHIFT)) {
+ if (chippa >= (1UL << IBA7220_TID_SZ_SHIFT)) {
ipath_dev_err(dd,
"BUG: Physical page address 0x%lx "
"larger than supported\n", pa);
diff --git a/drivers/infiniband/hw/ipath/ipath_ud.c b/drivers/infiniband/hw/ipath/ipath_ud.c
index 36aa242c487..729446f56aa 100644
--- a/drivers/infiniband/hw/ipath/ipath_ud.c
+++ b/drivers/infiniband/hw/ipath/ipath_ud.c
@@ -267,6 +267,7 @@ int ipath_make_ud_req(struct ipath_qp *qp)
u16 lrh0;
u16 lid;
int ret = 0;
+ int next_cur;
spin_lock_irqsave(&qp->s_lock, flags);
@@ -290,8 +291,9 @@ int ipath_make_ud_req(struct ipath_qp *qp)
goto bail;
wqe = get_swqe_ptr(qp, qp->s_cur);
- if (++qp->s_cur >= qp->s_size)
- qp->s_cur = 0;
+ next_cur = qp->s_cur + 1;
+ if (next_cur >= qp->s_size)
+ next_cur = 0;
/* Construct the header. */
ah_attr = &to_iah(wqe->wr.wr.ud.ah)->attr;
@@ -315,6 +317,7 @@ int ipath_make_ud_req(struct ipath_qp *qp)
qp->s_flags |= IPATH_S_WAIT_DMA;
goto bail;
}
+ qp->s_cur = next_cur;
spin_unlock_irqrestore(&qp->s_lock, flags);
ipath_ud_loopback(qp, wqe);
spin_lock_irqsave(&qp->s_lock, flags);
@@ -323,6 +326,7 @@ int ipath_make_ud_req(struct ipath_qp *qp)
}
}
+ qp->s_cur = next_cur;
extra_bytes = -wqe->length & 3;
nwords = (wqe->length + extra_bytes) >> 2;
diff --git a/drivers/infiniband/hw/mlx4/mr.c b/drivers/infiniband/hw/mlx4/mr.c
index a4cdb465cd1..87f5c5a87b9 100644
--- a/drivers/infiniband/hw/mlx4/mr.c
+++ b/drivers/infiniband/hw/mlx4/mr.c
@@ -204,6 +204,8 @@ struct ib_mr *mlx4_ib_alloc_fast_reg_mr(struct ib_pd *pd,
if (err)
goto err_mr;
+ mr->ibmr.rkey = mr->ibmr.lkey = mr->mmr.key;
+
return &mr->ibmr;
err_mr:
diff --git a/drivers/infiniband/hw/nes/nes.h b/drivers/infiniband/hw/nes/nes.h
index 39bd897b40c..8eb7ae96974 100644
--- a/drivers/infiniband/hw/nes/nes.h
+++ b/drivers/infiniband/hw/nes/nes.h
@@ -43,7 +43,6 @@
#include <linux/dma-mapping.h>
#include <linux/workqueue.h>
#include <linux/slab.h>
-#include <linux/version.h>
#include <asm/io.h>
#include <linux/crc32c.h>
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
index 7ebc400a4b3..341ffedafed 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
@@ -202,7 +202,7 @@ static void ipoib_cm_free_rx_ring(struct net_device *dev,
dev_kfree_skb_any(rx_ring[i].skb);
}
- kfree(rx_ring);
+ vfree(rx_ring);
}
static void ipoib_cm_start_rx_drain(struct ipoib_dev_priv *priv)
@@ -352,9 +352,14 @@ static int ipoib_cm_nonsrq_init_rx(struct net_device *dev, struct ib_cm_id *cm_i
int ret;
int i;
- rx->rx_ring = kcalloc(ipoib_recvq_size, sizeof *rx->rx_ring, GFP_KERNEL);
- if (!rx->rx_ring)
+ rx->rx_ring = vmalloc(ipoib_recvq_size * sizeof *rx->rx_ring);
+ if (!rx->rx_ring) {
+ printk(KERN_WARNING "%s: failed to allocate CM non-SRQ ring (%d entries)\n",
+ priv->ca->name, ipoib_recvq_size);
return -ENOMEM;
+ }
+
+ memset(rx->rx_ring, 0, ipoib_recvq_size * sizeof *rx->rx_ring);
t = kmalloc(sizeof *t, GFP_KERNEL);
if (!t) {
@@ -1494,14 +1499,16 @@ static void ipoib_cm_create_srq(struct net_device *dev, int max_sge)
return;
}
- priv->cm.srq_ring = kzalloc(ipoib_recvq_size * sizeof *priv->cm.srq_ring,
- GFP_KERNEL);
+ priv->cm.srq_ring = vmalloc(ipoib_recvq_size * sizeof *priv->cm.srq_ring);
if (!priv->cm.srq_ring) {
printk(KERN_WARNING "%s: failed to allocate CM SRQ ring (%d entries)\n",
priv->ca->name, ipoib_recvq_size);
ib_destroy_srq(priv->cm.srq);
priv->cm.srq = NULL;
+ return;
}
+
+ memset(priv->cm.srq_ring, 0, ipoib_recvq_size * sizeof *priv->cm.srq_ring);
}
int ipoib_cm_dev_init(struct net_device *dev)
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index f51201b17bf..7e9e218738f 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -156,14 +156,8 @@ static int ipoib_stop(struct net_device *dev)
netif_stop_queue(dev);
- /*
- * Now flush workqueue to make sure a scheduled task doesn't
- * bring our internal state back up.
- */
- flush_workqueue(ipoib_workqueue);
-
- ipoib_ib_dev_down(dev, 1);
- ipoib_ib_dev_stop(dev, 1);
+ ipoib_ib_dev_down(dev, 0);
+ ipoib_ib_dev_stop(dev, 0);
if (!test_bit(IPOIB_FLAG_SUBINTERFACE, &priv->flags)) {
struct ipoib_dev_priv *cpriv;
@@ -1314,7 +1308,7 @@ sysfs_failed:
register_failed:
ib_unregister_event_handler(&priv->event_handler);
- flush_scheduled_work();
+ flush_workqueue(ipoib_workqueue);
event_failed:
ipoib_dev_cleanup(priv->dev);
@@ -1373,7 +1367,12 @@ static void ipoib_remove_one(struct ib_device *device)
list_for_each_entry_safe(priv, tmp, dev_list, list) {
ib_unregister_event_handler(&priv->event_handler);
- flush_scheduled_work();
+
+ rtnl_lock();
+ dev_change_flags(priv->dev, priv->dev->flags & ~IFF_UP);
+ rtnl_unlock();
+
+ flush_workqueue(ipoib_workqueue);
unregister_netdev(priv->dev);
ipoib_dev_cleanup(priv->dev);
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
index 8950e9546f4..ac33c8f3ea8 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
@@ -392,8 +392,16 @@ static int ipoib_mcast_join_complete(int status,
&priv->mcast_task, 0);
mutex_unlock(&mcast_mutex);
- if (mcast == priv->broadcast)
+ if (mcast == priv->broadcast) {
+ /*
+ * Take RTNL lock here to avoid racing with
+ * ipoib_stop() and turning the carrier back
+ * on while a device is being removed.
+ */
+ rtnl_lock();
netif_carrier_on(dev);
+ rtnl_unlock();
+ }
return 0;
}
diff --git a/drivers/infiniband/ulp/iser/iser_verbs.c b/drivers/infiniband/ulp/iser/iser_verbs.c
index 63462ecca14..26ff6214a81 100644
--- a/drivers/infiniband/ulp/iser/iser_verbs.c
+++ b/drivers/infiniband/ulp/iser/iser_verbs.c
@@ -33,7 +33,6 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/delay.h>
-#include <linux/version.h>
#include "iscsi_iser.h"