IB/uverbs: Support for query SRQ from userspace

[linux-2.6-omap-h63xx.git] / drivers / infiniband / core / uverbs_main.c

diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c
index 81737bd6faea1405ef9f3fe41f4f2f136e6b043c..ff092a0a94da0ebf77967dbeef73da9d2943ec8c 100644 (file)
--- a/drivers/infiniband/core/uverbs_main.c
+++ b/drivers/infiniband/core/uverbs_main.c
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2005 Topspin Communications.  All rights reserved.
- * Copyright (c) 2005 Cisco Systems.  All rights reserved.
+ * Copyright (c) 2005, 2006 Cisco Systems.  All rights reserved.
  * Copyright (c) 2005 Mellanox Technologies. All rights reserved.
  * Copyright (c) 2005 Voltaire, Inc. All rights reserved.
  * Copyright (c) 2005 PathScale, Inc. All rights reserved.
@@ -66,7 +66,7 @@ enum {
 
 static struct class *uverbs_class;
 
-DECLARE_MUTEX(ib_uverbs_idr_mutex);
+DEFINE_MUTEX(ib_uverbs_idr_mutex);
 DEFINE_IDR(ib_uverbs_pd_idr);
 DEFINE_IDR(ib_uverbs_mr_idr);
 DEFINE_IDR(ib_uverbs_mw_idr);
@@ -91,10 +91,12 @@ static ssize_t (*uverbs_cmd_table[])(struct ib_uverbs_file *file,
        [IB_USER_VERBS_CMD_DEREG_MR]            = ib_uverbs_dereg_mr,
        [IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL] = ib_uverbs_create_comp_channel,
        [IB_USER_VERBS_CMD_CREATE_CQ]           = ib_uverbs_create_cq,
+       [IB_USER_VERBS_CMD_RESIZE_CQ]           = ib_uverbs_resize_cq,
        [IB_USER_VERBS_CMD_POLL_CQ]             = ib_uverbs_poll_cq,
        [IB_USER_VERBS_CMD_REQ_NOTIFY_CQ]       = ib_uverbs_req_notify_cq,
        [IB_USER_VERBS_CMD_DESTROY_CQ]          = ib_uverbs_destroy_cq,
        [IB_USER_VERBS_CMD_CREATE_QP]           = ib_uverbs_create_qp,
+       [IB_USER_VERBS_CMD_QUERY_QP]            = ib_uverbs_query_qp,
        [IB_USER_VERBS_CMD_MODIFY_QP]           = ib_uverbs_modify_qp,
        [IB_USER_VERBS_CMD_DESTROY_QP]          = ib_uverbs_destroy_qp,
        [IB_USER_VERBS_CMD_POST_SEND]           = ib_uverbs_post_send,
@@ -106,6 +108,7 @@ static ssize_t (*uverbs_cmd_table[])(struct ib_uverbs_file *file,
        [IB_USER_VERBS_CMD_DETACH_MCAST]        = ib_uverbs_detach_mcast,
        [IB_USER_VERBS_CMD_CREATE_SRQ]          = ib_uverbs_create_srq,
        [IB_USER_VERBS_CMD_MODIFY_SRQ]          = ib_uverbs_modify_srq,
+       [IB_USER_VERBS_CMD_QUERY_SRQ]           = ib_uverbs_query_srq,
        [IB_USER_VERBS_CMD_DESTROY_SRQ]         = ib_uverbs_destroy_srq,
 };
 
@@ -180,7 +183,7 @@ static int ib_uverbs_cleanup_ucontext(struct ib_uverbs_file *file,
        if (!context)
                return 0;
 
-       down(&ib_uverbs_idr_mutex);
+       mutex_lock(&ib_uverbs_idr_mutex);
 
        list_for_each_entry_safe(uobj, tmp, &context->ah_list, list) {
                struct ib_ah *ah = idr_find(&ib_uverbs_ah_idr, uobj->id);
@@ -250,7 +253,7 @@ static int ib_uverbs_cleanup_ucontext(struct ib_uverbs_file *file,
                kfree(uobj);
        }
 
-       up(&ib_uverbs_idr_mutex);
+       mutex_unlock(&ib_uverbs_idr_mutex);
 
        return context->device->dealloc_ucontext(context);
 }
@@ -461,7 +464,6 @@ void ib_uverbs_cq_event_handler(struct ib_event *event, void *context_ptr)
        ib_uverbs_async_handler(uobj->uverbs_file, uobj->uobject.user_handle,
                                event->event, &uobj->async_list,
                                &uobj->async_events_reported);
-                               
 }
 
 void ib_uverbs_qp_event_handler(struct ib_event *event, void *context_ptr)
@@ -653,7 +655,7 @@ static int ib_uverbs_open(struct inode *inode, struct file *filp)
        file->ucontext   = NULL;
        file->async_file = NULL;
        kref_init(&file->ref);
-       init_MUTEX(&file->mutex);
+       mutex_init(&file->mutex);
 
        filp->private_data = file;
 
@@ -902,6 +904,7 @@ static void __exit ib_uverbs_cleanup(void)
        unregister_filesystem(&uverbs_event_fs);
        class_destroy(uverbs_class);
        unregister_chrdev_region(IB_UVERBS_BASE_DEV, IB_UVERBS_MAX_DEVICES);
+       flush_scheduled_work();
        idr_destroy(&ib_uverbs_pd_idr);
        idr_destroy(&ib_uverbs_mr_idr);
        idr_destroy(&ib_uverbs_mw_idr);