drivers/infiniband/hw/cxgb3/cxio_resource.h

   1 /*
   2  * Copyright (c) 2006 Chelsio, Inc. All rights reserved.
   3  *
   4  * This software is available to you under a choice of one of two
   5  * licenses.  You may choose to be licensed under the terms of the GNU
   6  * General Public License (GPL) Version 2, available from the file
   7  * COPYING in the main directory of this source tree, or the
   8  * OpenIB.org BSD license below:
   9  *
  10  *     Redistribution and use in source and binary forms, with or
  11  *     without modification, are permitted provided that the following
  12  *     conditions are met:
  13  *
  14  *      - Redistributions of source code must retain the above
  15  *        copyright notice, this list of conditions and the following
  16  *        disclaimer.
  17  *
  18  *      - Redistributions in binary form must reproduce the above
  19  *        copyright notice, this list of conditions and the following
  20  *        disclaimer in the documentation and/or other materials
  21  *        provided with the distribution.
  22  *
  23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  30  * SOFTWARE.
  31  */
  32 #ifndef __CXIO_RESOURCE_H__
  33 #define __CXIO_RESOURCE_H__
  34
  35 #include <linux/kernel.h>
  36 #include <linux/random.h>
  37 #include <linux/slab.h>
  38 #include <linux/kfifo.h>
  39 #include <linux/spinlock.h>
  40 #include <linux/errno.h>
  41 #include <linux/genalloc.h>
  42 #include "cxio_hal.h"
  43
  44 extern int cxio_hal_init_rhdl_resource(u32 nr_rhdl);
  45 extern void cxio_hal_destroy_rhdl_resource(void);
  46 extern int cxio_hal_init_resource(struct cxio_rdev *rdev_p,
  47                                   u32 nr_tpt, u32 nr_pbl,
  48                                   u32 nr_rqt, u32 nr_qpid, u32 nr_cqid,
  49                                   u32 nr_pdid);
  50 extern u32 cxio_hal_get_stag(struct cxio_hal_resource *rscp);
  51 extern void cxio_hal_put_stag(struct cxio_hal_resource *rscp, u32 stag);
  52 extern u32 cxio_hal_get_qpid(struct cxio_hal_resource *rscp);
  53 extern void cxio_hal_put_qpid(struct cxio_hal_resource *rscp, u32 qpid);
  54 extern u32 cxio_hal_get_cqid(struct cxio_hal_resource *rscp);
  55 extern void cxio_hal_put_cqid(struct cxio_hal_resource *rscp, u32 cqid);
  56 extern void cxio_hal_destroy_resource(struct cxio_hal_resource *rscp);
  57
  58 #define PBL_OFF(rdev_p, a) ( (a) - (rdev_p)->rnic_info.pbl_base )
  59 extern int cxio_hal_pblpool_create(struct cxio_rdev *rdev_p);
  60 extern void cxio_hal_pblpool_destroy(struct cxio_rdev *rdev_p);
  61 extern u32 cxio_hal_pblpool_alloc(struct cxio_rdev *rdev_p, int size);
  62 extern void cxio_hal_pblpool_free(struct cxio_rdev *rdev_p, u32 addr, int size);
  63
  64 #define RQT_OFF(rdev_p, a) ( (a) - (rdev_p)->rnic_info.rqt_base )
  65 extern int cxio_hal_rqtpool_create(struct cxio_rdev *rdev_p);
  66 extern void cxio_hal_rqtpool_destroy(struct cxio_rdev *rdev_p);
  67 extern u32 cxio_hal_rqtpool_alloc(struct cxio_rdev *rdev_p, int size);
  68 extern void cxio_hal_rqtpool_free(struct cxio_rdev *rdev_p, u32 addr, int size);
  69 #endif