LXR linux/drivers/infiniband/hw/cxgb3/cxio

   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
  44extern int cxio_hal_init_rhdl_resource(u32 nr_rhdl);
  45extern void cxio_hal_destroy_rhdl_resource(void);
  46extern 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);
  50extern u32 cxio_hal_get_stag(struct cxio_hal_resource *rscp);
  51extern void cxio_hal_put_stag(struct cxio_hal_resource *rscp, u32 stag);
  52extern u32 cxio_hal_get_qpid(struct cxio_hal_resource *rscp);
  53extern void cxio_hal_put_qpid(struct cxio_hal_resource *rscp, u32 qpid);
  54extern u32 cxio_hal_get_cqid(struct cxio_hal_resource *rscp);
  55extern void cxio_hal_put_cqid(struct cxio_hal_resource *rscp, u32 cqid);
  56extern 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 )
  59extern int cxio_hal_pblpool_create(struct cxio_rdev *rdev_p);
  60extern void cxio_hal_pblpool_destroy(struct cxio_rdev *rdev_p);
  61extern u32 cxio_hal_pblpool_alloc(struct cxio_rdev *rdev_p, int size);
  62extern 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 )
  65extern int cxio_hal_rqtpool_create(struct cxio_rdev *rdev_p);
  66extern void cxio_hal_rqtpool_destroy(struct cxio_rdev *rdev_p);
  67extern u32 cxio_hal_rqtpool_alloc(struct cxio_rdev *rdev_p, int size);
  68extern void cxio_hal_rqtpool_free(struct cxio_rdev *rdev_p, u32 addr, int size);
  69#endif
  70