X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=drivers%2Finfiniband%2Fcore%2Fuverbs.h;h=3372d67ff139eb51232f96ad287e50608e5998ef;hb=8bdb0e8632e0f5061bd18b6934346cb609490135;hp=180b3d4765e40bc4eae9d3c0c6516006fefdbee2;hpb=a4d61e84804f3b14cc35c5e2af768a07c0f64ef6;p=safe%2Fjmp%2Flinux-2.6 diff --git a/drivers/infiniband/core/uverbs.h b/drivers/infiniband/core/uverbs.h index 180b3d4..3372d67 100644 --- a/drivers/infiniband/core/uverbs.h +++ b/drivers/infiniband/core/uverbs.h @@ -1,8 +1,9 @@ /* * 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. * * 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 @@ -38,29 +39,48 @@ #ifndef UVERBS_H #define UVERBS_H -/* Include device.h and fs.h until cdev.h is self-sufficient */ -#include -#include -#include #include #include +#include #include #include +/* + * Our lifetime rules for these structs are the following: + * + * struct ib_uverbs_device: One reference is held by the module and + * released in ib_uverbs_remove_one(). Another reference is taken by + * ib_uverbs_open() each time the character special file is opened, + * and released in ib_uverbs_release_file() when the file is released. + * + * struct ib_uverbs_file: One reference is held by the VFS and + * released when the file is closed. Another reference is taken when + * an asynchronous event queue file is created and released when the + * event file is closed. + * + * struct ib_uverbs_event_file: One reference is held by the VFS and + * released when the file is closed. For asynchronous event files, + * another reference is held by the corresponding main context file + * and released when that file is closed. For completion event files, + * a reference is taken when a CQ is created that uses the file, and + * released when the CQ is destroyed. + */ + struct ib_uverbs_device { + struct kref ref; int devnum; - struct cdev dev; - struct class_device class_dev; + struct cdev *dev; + struct class_device *class_dev; struct ib_device *ib_dev; - int num_comp; + int num_comp_vectors; }; struct ib_uverbs_event_file { struct kref ref; + struct file *file; struct ib_uverbs_file *uverbs_file; spinlock_t lock; - int fd; int is_async; wait_queue_head_t poll_wait; struct fasync_struct *async_queue; @@ -69,30 +89,50 @@ struct ib_uverbs_event_file { struct ib_uverbs_file { struct kref ref; + struct mutex mutex; struct ib_uverbs_device *device; struct ib_ucontext *ucontext; struct ib_event_handler event_handler; - struct ib_uverbs_event_file async_file; - struct ib_uverbs_event_file comp_file[1]; + struct ib_uverbs_event_file *async_file; }; -struct ib_uverbs_async_event { - struct ib_uverbs_async_event_desc desc; +struct ib_uverbs_event { + union { + struct ib_uverbs_async_event_desc async; + struct ib_uverbs_comp_event_desc comp; + } desc; struct list_head list; + struct list_head obj_list; + u32 *counter; }; -struct ib_uverbs_comp_event { - struct ib_uverbs_comp_event_desc desc; - struct list_head list; +struct ib_uverbs_mcast_entry { + struct list_head list; + union ib_gid gid; + u16 lid; +}; + +struct ib_uevent_object { + struct ib_uobject uobject; + struct list_head event_list; + u32 events_reported; }; -struct ib_uobject_mr { - struct ib_uobject uobj; - struct page *page_list; - struct scatterlist *sg_list; +struct ib_uqp_object { + struct ib_uevent_object uevent; + struct list_head mcast_list; }; -extern struct semaphore ib_uverbs_idr_mutex; +struct ib_ucq_object { + struct ib_uobject uobject; + struct ib_uverbs_file *uverbs_file; + struct list_head comp_list; + struct list_head async_list; + u32 comp_events_reported; + u32 async_events_reported; +}; + +extern struct mutex ib_uverbs_idr_mutex; extern struct idr ib_uverbs_pd_idr; extern struct idr ib_uverbs_mr_idr; extern struct idr ib_uverbs_mw_idr; @@ -101,10 +141,23 @@ extern struct idr ib_uverbs_cq_idr; extern struct idr ib_uverbs_qp_idr; extern struct idr ib_uverbs_srq_idr; +struct file *ib_uverbs_alloc_event_file(struct ib_uverbs_file *uverbs_file, + int is_async, int *fd); +void ib_uverbs_release_event_file(struct kref *ref); +struct ib_uverbs_event_file *ib_uverbs_lookup_comp_file(int fd); + +void ib_uverbs_release_ucq(struct ib_uverbs_file *file, + struct ib_uverbs_event_file *ev_file, + struct ib_ucq_object *uobj); +void ib_uverbs_release_uevent(struct ib_uverbs_file *file, + struct ib_uevent_object *uobj); + void ib_uverbs_comp_handler(struct ib_cq *cq, void *cq_context); void ib_uverbs_cq_event_handler(struct ib_event *event, void *context_ptr); void ib_uverbs_qp_event_handler(struct ib_event *event, void *context_ptr); void ib_uverbs_srq_event_handler(struct ib_event *event, void *context_ptr); +void ib_uverbs_event_handler(struct ib_event_handler *handler, + struct ib_event *event); int ib_umem_get(struct ib_device *dev, struct ib_umem *mem, void *addr, size_t size, int write); @@ -116,25 +169,33 @@ void ib_umem_release_on_close(struct ib_device *dev, struct ib_umem *umem); const char __user *buf, int in_len, \ int out_len) -IB_UVERBS_DECLARE_CMD(query_params); IB_UVERBS_DECLARE_CMD(get_context); IB_UVERBS_DECLARE_CMD(query_device); IB_UVERBS_DECLARE_CMD(query_port); -IB_UVERBS_DECLARE_CMD(query_gid); -IB_UVERBS_DECLARE_CMD(query_pkey); IB_UVERBS_DECLARE_CMD(alloc_pd); IB_UVERBS_DECLARE_CMD(dealloc_pd); IB_UVERBS_DECLARE_CMD(reg_mr); IB_UVERBS_DECLARE_CMD(dereg_mr); +IB_UVERBS_DECLARE_CMD(create_comp_channel); IB_UVERBS_DECLARE_CMD(create_cq); +IB_UVERBS_DECLARE_CMD(resize_cq); +IB_UVERBS_DECLARE_CMD(poll_cq); +IB_UVERBS_DECLARE_CMD(req_notify_cq); IB_UVERBS_DECLARE_CMD(destroy_cq); IB_UVERBS_DECLARE_CMD(create_qp); +IB_UVERBS_DECLARE_CMD(query_qp); IB_UVERBS_DECLARE_CMD(modify_qp); IB_UVERBS_DECLARE_CMD(destroy_qp); +IB_UVERBS_DECLARE_CMD(post_send); +IB_UVERBS_DECLARE_CMD(post_recv); +IB_UVERBS_DECLARE_CMD(post_srq_recv); +IB_UVERBS_DECLARE_CMD(create_ah); +IB_UVERBS_DECLARE_CMD(destroy_ah); IB_UVERBS_DECLARE_CMD(attach_mcast); IB_UVERBS_DECLARE_CMD(detach_mcast); IB_UVERBS_DECLARE_CMD(create_srq); IB_UVERBS_DECLARE_CMD(modify_srq); +IB_UVERBS_DECLARE_CMD(query_srq); IB_UVERBS_DECLARE_CMD(destroy_srq); #endif /* UVERBS_H */