aboutsummaryrefslogtreecommitdiff
path: root/drivers/infiniband
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/hw/qib/qib_keys.c2
-rw-r--r--drivers/infiniband/ulp/iser/iscsi_iser.c1
-rw-r--r--drivers/infiniband/ulp/iser/iscsi_iser.h1
-rw-r--r--drivers/infiniband/ulp/iser/iser_initiator.c1
-rw-r--r--drivers/infiniband/ulp/iser/iser_memory.c1
-rw-r--r--drivers/infiniband/ulp/iser/iser_verbs.c16
-rw-r--r--drivers/infiniband/ulp/srpt/ib_srpt.c34
-rw-r--r--drivers/infiniband/ulp/srpt/ib_srpt.h1
8 files changed, 40 insertions, 17 deletions
diff --git a/drivers/infiniband/hw/qib/qib_keys.c b/drivers/infiniband/hw/qib/qib_keys.c
index 81c7b73695d..3b9afccaaad 100644
--- a/drivers/infiniband/hw/qib/qib_keys.c
+++ b/drivers/infiniband/hw/qib/qib_keys.c
@@ -61,7 +61,7 @@ int qib_alloc_lkey(struct qib_mregion *mr, int dma_region)
if (dma_region) {
struct qib_mregion *tmr;
- tmr = rcu_dereference(dev->dma_mr);
+ tmr = rcu_access_pointer(dev->dma_mr);
if (!tmr) {
qib_get_mr(mr);
rcu_assign_pointer(dev->dma_mr, mr);
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c
index f19b0998a53..2e84ef859c5 100644
--- a/drivers/infiniband/ulp/iser/iscsi_iser.c
+++ b/drivers/infiniband/ulp/iser/iscsi_iser.c
@@ -5,6 +5,7 @@
* Copyright (C) 2004 Alex Aizman
* Copyright (C) 2005 Mike Christie
* Copyright (c) 2005, 2006 Voltaire, Inc. All rights reserved.
+ * Copyright (c) 2013 Mellanox Technologies. All rights reserved.
* maintained by openib-general@openib.org
*
* This software is available to you under a choice of one of two
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.h b/drivers/infiniband/ulp/iser/iscsi_iser.h
index 06f578cde75..4f069c0d4c0 100644
--- a/drivers/infiniband/ulp/iser/iscsi_iser.h
+++ b/drivers/infiniband/ulp/iser/iscsi_iser.h
@@ -8,6 +8,7 @@
*
* Copyright (c) 2004, 2005, 2006 Voltaire, Inc. All rights reserved.
* Copyright (c) 2005, 2006 Cisco Systems. All rights reserved.
+ * Copyright (c) 2013 Mellanox Technologies. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
diff --git a/drivers/infiniband/ulp/iser/iser_initiator.c b/drivers/infiniband/ulp/iser/iser_initiator.c
index a00ccd1ca33..b6d81a86c97 100644
--- a/drivers/infiniband/ulp/iser/iser_initiator.c
+++ b/drivers/infiniband/ulp/iser/iser_initiator.c
@@ -1,5 +1,6 @@
/*
* Copyright (c) 2004, 2005, 2006 Voltaire, Inc. All rights reserved.
+ * Copyright (c) 2013 Mellanox Technologies. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
diff --git a/drivers/infiniband/ulp/iser/iser_memory.c b/drivers/infiniband/ulp/iser/iser_memory.c
index 68ebb7fe072..7827baf455a 100644
--- a/drivers/infiniband/ulp/iser/iser_memory.c
+++ b/drivers/infiniband/ulp/iser/iser_memory.c
@@ -1,5 +1,6 @@
/*
* Copyright (c) 2004, 2005, 2006 Voltaire, Inc. All rights reserved.
+ * Copyright (c) 2013 Mellanox Technologies. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
diff --git a/drivers/infiniband/ulp/iser/iser_verbs.c b/drivers/infiniband/ulp/iser/iser_verbs.c
index 5278916c310..2c4941d0656 100644
--- a/drivers/infiniband/ulp/iser/iser_verbs.c
+++ b/drivers/infiniband/ulp/iser/iser_verbs.c
@@ -1,6 +1,7 @@
/*
* Copyright (c) 2004, 2005, 2006 Voltaire, Inc. All rights reserved.
* Copyright (c) 2005, 2006 Cisco Systems. All rights reserved.
+ * Copyright (c) 2013 Mellanox Technologies. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
@@ -292,10 +293,10 @@ out_err:
}
/**
- * releases the FMR pool, QP and CMA ID objects, returns 0 on success,
+ * releases the FMR pool and QP objects, returns 0 on success,
* -1 on failure
*/
-static int iser_free_ib_conn_res(struct iser_conn *ib_conn, int can_destroy_id)
+static int iser_free_ib_conn_res(struct iser_conn *ib_conn)
{
int cq_index;
BUG_ON(ib_conn == NULL);
@@ -314,13 +315,9 @@ static int iser_free_ib_conn_res(struct iser_conn *ib_conn, int can_destroy_id)
rdma_destroy_qp(ib_conn->cma_id);
}
- /* if cma handler context, the caller acts s.t the cma destroy the id */
- if (ib_conn->cma_id != NULL && can_destroy_id)
- rdma_destroy_id(ib_conn->cma_id);
ib_conn->fmr_pool = NULL;
ib_conn->qp = NULL;
- ib_conn->cma_id = NULL;
kfree(ib_conn->page_vec);
if (ib_conn->login_buf) {
@@ -415,11 +412,16 @@ static void iser_conn_release(struct iser_conn *ib_conn, int can_destroy_id)
list_del(&ib_conn->conn_list);
mutex_unlock(&ig.connlist_mutex);
iser_free_rx_descriptors(ib_conn);
- iser_free_ib_conn_res(ib_conn, can_destroy_id);
+ iser_free_ib_conn_res(ib_conn);
ib_conn->device = NULL;
/* on EVENT_ADDR_ERROR there's no device yet for this conn */
if (device != NULL)
iser_device_try_release(device);
+ /* if cma handler context, the caller actually destroy the id */
+ if (ib_conn->cma_id != NULL && can_destroy_id) {
+ rdma_destroy_id(ib_conn->cma_id);
+ ib_conn->cma_id = NULL;
+ }
iscsi_destroy_endpoint(ib_conn->ep);
}
diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c
index b08ca7a9f76..3f3f0416fbd 100644
--- a/drivers/infiniband/ulp/srpt/ib_srpt.c
+++ b/drivers/infiniband/ulp/srpt/ib_srpt.c
@@ -2227,6 +2227,27 @@ static void srpt_close_ch(struct srpt_rdma_ch *ch)
}
/**
+ * srpt_shutdown_session() - Whether or not a session may be shut down.
+ */
+static int srpt_shutdown_session(struct se_session *se_sess)
+{
+ struct srpt_rdma_ch *ch = se_sess->fabric_sess_ptr;
+ unsigned long flags;
+
+ spin_lock_irqsave(&ch->spinlock, flags);
+ if (ch->in_shutdown) {
+ spin_unlock_irqrestore(&ch->spinlock, flags);
+ return true;
+ }
+
+ ch->in_shutdown = true;
+ target_sess_cmd_list_set_waiting(se_sess);
+ spin_unlock_irqrestore(&ch->spinlock, flags);
+
+ return true;
+}
+
+/**
* srpt_drain_channel() - Drain a channel by resetting the IB queue pair.
* @cm_id: Pointer to the CM ID of the channel to be drained.
*
@@ -2264,6 +2285,9 @@ static void srpt_drain_channel(struct ib_cm_id *cm_id)
spin_unlock_irq(&sdev->spinlock);
if (do_reset) {
+ if (ch->sess)
+ srpt_shutdown_session(ch->sess);
+
ret = srpt_ch_qp_err(ch);
if (ret < 0)
printk(KERN_ERR "Setting queue pair in error state"
@@ -2328,7 +2352,7 @@ static void srpt_release_channel_work(struct work_struct *w)
se_sess = ch->sess;
BUG_ON(!se_sess);
- target_wait_for_sess_cmds(se_sess, 0);
+ target_wait_for_sess_cmds(se_sess);
transport_deregister_session_configfs(se_sess);
transport_deregister_session(se_sess);
@@ -3467,14 +3491,6 @@ static void srpt_release_cmd(struct se_cmd *se_cmd)
}
/**
- * srpt_shutdown_session() - Whether or not a session may be shut down.
- */
-static int srpt_shutdown_session(struct se_session *se_sess)
-{
- return true;
-}
-
-/**
* srpt_close_session() - Forcibly close a session.
*
* Callback function invoked by the TCM core to clean up sessions associated
diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.h b/drivers/infiniband/ulp/srpt/ib_srpt.h
index 4caf55cda7b..3dae156905d 100644
--- a/drivers/infiniband/ulp/srpt/ib_srpt.h
+++ b/drivers/infiniband/ulp/srpt/ib_srpt.h
@@ -325,6 +325,7 @@ struct srpt_rdma_ch {
u8 sess_name[36];
struct work_struct release_work;
struct completion *release_done;
+ bool in_shutdown;
};
/**
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-27 15:20:44 +0000