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path: root/drivers/infiniband/sw/rdmavt/vt.c
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Diffstat (limited to 'drivers/infiniband/sw/rdmavt/vt.c')
-rw-r--r--drivers/infiniband/sw/rdmavt/vt.c35
1 files changed, 13 insertions, 22 deletions
diff --git a/drivers/infiniband/sw/rdmavt/vt.c b/drivers/infiniband/sw/rdmavt/vt.c
index 434199d0bc96..17e4abc067af 100644
--- a/drivers/infiniband/sw/rdmavt/vt.c
+++ b/drivers/infiniband/sw/rdmavt/vt.c
@@ -1,5 +1,5 @@
/*
- * Copyright(c) 2016 Intel Corporation.
+ * Copyright(c) 2016 - 2018 Intel Corporation.
*
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
@@ -49,6 +49,7 @@
#include <linux/kernel.h>
#include <linux/dma-mapping.h>
#include "vt.h"
+#include "cq.h"
#include "trace.h"
#define RVT_UVERBS_ABI_VERSION 2
@@ -58,21 +59,18 @@ MODULE_DESCRIPTION("RDMA Verbs Transport Library");
static int rvt_init(void)
{
- /*
- * rdmavt does not need to do anything special when it starts up. All it
- * needs to do is sit and wait until a driver attempts registration.
- */
- return 0;
+ int ret = rvt_driver_cq_init();
+
+ if (ret)
+ pr_err("Error in driver CQ init.\n");
+
+ return ret;
}
module_init(rvt_init);
static void rvt_cleanup(void)
{
- /*
- * Nothing to do at exit time either. The module won't be able to be
- * removed until all drivers are gone which means all the dev structs
- * are gone so there is really nothing to do.
- */
+ rvt_cq_exit();
}
module_exit(rvt_cleanup);
@@ -777,11 +775,7 @@ int rvt_register_device(struct rvt_dev_info *rdi, u32 driver_id)
}
/* Completion queues */
- ret = rvt_driver_cq_init(rdi);
- if (ret) {
- pr_err("Error in driver CQ init.\n");
- goto bail_mr;
- }
+ spin_lock_init(&rdi->n_cqs_lock);
/* DMA Operations */
rdi->ibdev.dev.dma_ops = rdi->ibdev.dev.dma_ops ? : &dma_virt_ops;
@@ -829,14 +823,15 @@ int rvt_register_device(struct rvt_dev_info *rdi, u32 driver_id)
(1ull << IB_USER_VERBS_CMD_DESTROY_SRQ) |
(1ull << IB_USER_VERBS_CMD_POST_SRQ_RECV);
rdi->ibdev.node_type = RDMA_NODE_IB_CA;
- rdi->ibdev.num_comp_vectors = 1;
+ if (!rdi->ibdev.num_comp_vectors)
+ rdi->ibdev.num_comp_vectors = 1;
rdi->ibdev.driver_id = driver_id;
/* We are now good to announce we exist */
ret = ib_register_device(&rdi->ibdev, rdi->driver_f.port_callback);
if (ret) {
rvt_pr_err(rdi, "Failed to register driver with ib core.\n");
- goto bail_cq;
+ goto bail_mr;
}
rvt_create_mad_agents(rdi);
@@ -844,9 +839,6 @@ int rvt_register_device(struct rvt_dev_info *rdi, u32 driver_id)
rvt_pr_info(rdi, "Registration with rdmavt done.\n");
return ret;
-bail_cq:
- rvt_cq_exit(rdi);
-
bail_mr:
rvt_mr_exit(rdi);
@@ -870,7 +862,6 @@ void rvt_unregister_device(struct rvt_dev_info *rdi)
rvt_free_mad_agents(rdi);
ib_unregister_device(&rdi->ibdev);
- rvt_cq_exit(rdi);
rvt_mr_exit(rdi);
rvt_qp_exit(rdi);
}