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 70