diff options
-rw-r--r-- | drivers/infiniband/core/ucm.c | 62 | ||||
-rw-r--r-- | drivers/infiniband/core/ucm.h | 83 |
2 files changed, 41 insertions, 104 deletions
diff --git a/drivers/infiniband/core/ucm.c b/drivers/infiniband/core/ucm.c index d0f0b0a2edd3..b7470f0fe83b 100644 --- a/drivers/infiniband/core/ucm.c +++ b/drivers/infiniband/core/ucm.c @@ -41,19 +41,52 @@ #include <linux/file.h> #include <linux/mount.h> #include <linux/cdev.h> +#include <linux/idr.h> #include <asm/uaccess.h> -#include "ucm.h" +#include <rdma/ib_cm.h> +#include <rdma/ib_user_cm.h> MODULE_AUTHOR("Libor Michalek"); MODULE_DESCRIPTION("InfiniBand userspace Connection Manager access"); MODULE_LICENSE("Dual BSD/GPL"); -static int ucm_debug_level; +struct ib_ucm_file { + struct semaphore mutex; + struct file *filp; -module_param_named(debug_level, ucm_debug_level, int, 0644); -MODULE_PARM_DESC(debug_level, "Enable debug tracing if > 0"); + struct list_head ctxs; /* list of active connections */ + struct list_head events; /* list of pending events */ + wait_queue_head_t poll_wait; +}; + +struct ib_ucm_context { + int id; + wait_queue_head_t wait; + atomic_t ref; + int events_reported; + + struct ib_ucm_file *file; + struct ib_cm_id *cm_id; + __u64 uid; + + struct list_head events; /* list of pending events. */ + struct list_head file_list; /* member in file ctx list */ +}; + +struct ib_ucm_event { + struct ib_ucm_context *ctx; + struct list_head file_list; /* member in file event list */ + struct list_head ctx_list; /* member in ctx event list */ + + struct ib_cm_id *cm_id; + struct ib_ucm_event_resp resp; + void *data; + void *info; + int data_len; + int info_len; +}; enum { IB_UCM_MAJOR = 231, @@ -62,17 +95,10 @@ enum { #define IB_UCM_DEV MKDEV(IB_UCM_MAJOR, IB_UCM_MINOR) -#define PFX "UCM: " - -#define ucm_dbg(format, arg...) \ - do { \ - if (ucm_debug_level > 0) \ - printk(KERN_DEBUG PFX format, ## arg); \ - } while (0) - static struct semaphore ctx_id_mutex; static struct idr ctx_id_table; + static struct ib_ucm_context *ib_ucm_ctx_get(struct ib_ucm_file *file, int id) { struct ib_ucm_context *ctx; @@ -152,7 +178,6 @@ static struct ib_ucm_context *ib_ucm_ctx_alloc(struct ib_ucm_file *file) goto error; list_add_tail(&ctx->file_list, &file->ctxs); - ucm_dbg("Allocated CM ID <%d>\n", ctx->id); return ctx; error: @@ -1184,9 +1209,6 @@ static ssize_t ib_ucm_write(struct file *filp, const char __user *buf, if (copy_from_user(&hdr, buf, sizeof(hdr))) return -EFAULT; - ucm_dbg("Write. cmd <%d> in <%d> out <%d> len <%Zu>\n", - hdr.cmd, hdr.in, hdr.out, len); - if (hdr.cmd < 0 || hdr.cmd >= ARRAY_SIZE(ucm_cmd_table)) return -EINVAL; @@ -1232,8 +1254,6 @@ static int ib_ucm_open(struct inode *inode, struct file *filp) filp->private_data = file; file->filp = filp; - ucm_dbg("Created struct\n"); - return 0; } @@ -1281,7 +1301,7 @@ static int __init ib_ucm_init(void) result = register_chrdev_region(IB_UCM_DEV, 1, "infiniband_cm"); if (result) { - ucm_dbg("Error <%d> registering dev\n", result); + printk(KERN_ERR "ucm: Error <%d> registering dev\n", result); goto err_chr; } @@ -1289,14 +1309,14 @@ static int __init ib_ucm_init(void) result = cdev_add(&ib_ucm_cdev, IB_UCM_DEV, 1); if (result) { - ucm_dbg("Error <%d> adding cdev\n", result); + printk(KERN_ERR "ucm: Error <%d> adding cdev\n", result); goto err_cdev; } ib_ucm_class = class_create(THIS_MODULE, "infiniband_cm"); if (IS_ERR(ib_ucm_class)) { result = PTR_ERR(ib_ucm_class); - ucm_dbg("Error <%d> creating class\n", result); + printk(KERN_ERR "Error <%d> creating class\n", result); goto err_class; } diff --git a/drivers/infiniband/core/ucm.h b/drivers/infiniband/core/ucm.h deleted file mode 100644 index f46f37bc1201..000000000000 --- a/drivers/infiniband/core/ucm.h +++ /dev/null @@ -1,83 +0,0 @@ -/* - * Copyright (c) 2005 Topspin Communications. All rights reserved. - * Copyright (c) 2005 Intel Corporation. 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 - * General Public License (GPL) Version 2, available from the file - * COPYING in the main directory of this source tree, or the - * OpenIB.org BSD license below: - * - * Redistribution and use in source and binary forms, with or - * without modification, are permitted provided that the following - * conditions are met: - * - * - Redistributions of source code must retain the above - * copyright notice, this list of conditions and the following - * disclaimer. - * - * - Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following - * disclaimer in the documentation and/or other materials - * provided with the distribution. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS - * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN - * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - * - * $Id: ucm.h 2208 2005-04-22 23:24:31Z libor $ - */ - -#ifndef UCM_H -#define UCM_H - -#include <linux/fs.h> -#include <linux/device.h> -#include <linux/cdev.h> -#include <linux/idr.h> - -#include <rdma/ib_cm.h> -#include <rdma/ib_user_cm.h> - -struct ib_ucm_file { - struct semaphore mutex; - struct file *filp; - - struct list_head ctxs; /* list of active connections */ - struct list_head events; /* list of pending events */ - wait_queue_head_t poll_wait; -}; - -struct ib_ucm_context { - int id; - wait_queue_head_t wait; - atomic_t ref; - int events_reported; - - struct ib_ucm_file *file; - struct ib_cm_id *cm_id; - __u64 uid; - - struct list_head events; /* list of pending events. */ - struct list_head file_list; /* member in file ctx list */ -}; - -struct ib_ucm_event { - struct ib_ucm_context *ctx; - struct list_head file_list; /* member in file event list */ - struct list_head ctx_list; /* member in ctx event list */ - - struct ib_cm_id *cm_id; - struct ib_ucm_event_resp resp; - void *data; - void *info; - int data_len; - int info_len; -}; - -#endif /* UCM_H */ |