[deliverable/linux.git] / drivers / infiniband / hw / ehca / ehca_iverbs.h

/*
 *  IBM eServer eHCA Infiniband device driver for Linux on POWER
 *
 *  Function definitions for internal functions
 *
 *  Authors: Heiko J Schick <schickhj@de.ibm.com>
 *           Dietmar Decker <ddecker@de.ibm.com>
 *
 *  Copyright (c) 2005 IBM Corporation
 *
 *  All rights reserved.
 *
 *  This source code is distributed under a dual license of GPL v2.0 and OpenIB
 *  BSD.
 *
 * OpenIB BSD License
 *
 * 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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef __EHCA_IVERBS_H__
#define __EHCA_IVERBS_H__

#include "ehca_classes.h"

int ehca_query_device(struct ib_device *ibdev, struct ib_device_attr *props);

int ehca_query_port(struct ib_device *ibdev, u8 port,
		    struct ib_port_attr *props);

int ehca_query_sma_attr(struct ehca_shca *shca, u8 port,
			struct ehca_sma_attr *attr);

int ehca_query_pkey(struct ib_device *ibdev, u8 port, u16 index, u16 * pkey);

int ehca_query_gid(struct ib_device *ibdev, u8 port, int index,
		   union ib_gid *gid);

int ehca_modify_port(struct ib_device *ibdev, u8 port, int port_modify_mask,
		     struct ib_port_modify *props);

struct ib_pd *ehca_alloc_pd(struct ib_device *device,
			    struct ib_ucontext *context,
			    struct ib_udata *udata);

int ehca_dealloc_pd(struct ib_pd *pd);

struct ib_ah *ehca_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr);

int ehca_modify_ah(struct ib_ah *ah, struct ib_ah_attr *ah_attr);

int ehca_query_ah(struct ib_ah *ah, struct ib_ah_attr *ah_attr);

int ehca_destroy_ah(struct ib_ah *ah);

struct ib_mr *ehca_get_dma_mr(struct ib_pd *pd, int mr_access_flags);

struct ib_mr *ehca_reg_phys_mr(struct ib_pd *pd,
			       struct ib_phys_buf *phys_buf_array,
			       int num_phys_buf,
			       int mr_access_flags, u64 *iova_start);

struct ib_mr *ehca_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
			       u64 virt, int mr_access_flags,
			       struct ib_udata *udata);

int ehca_rereg_phys_mr(struct ib_mr *mr,
		       int mr_rereg_mask,
		       struct ib_pd *pd,
		       struct ib_phys_buf *phys_buf_array,
		       int num_phys_buf, int mr_access_flags, u64 *iova_start);

int ehca_query_mr(struct ib_mr *mr, struct ib_mr_attr *mr_attr);

int ehca_dereg_mr(struct ib_mr *mr);

struct ib_mw *ehca_alloc_mw(struct ib_pd *pd, enum ib_mw_type type);

int ehca_bind_mw(struct ib_qp *qp, struct ib_mw *mw,
		 struct ib_mw_bind *mw_bind);

int ehca_dealloc_mw(struct ib_mw *mw);

struct ib_fmr *ehca_alloc_fmr(struct ib_pd *pd,
			      int mr_access_flags,
			      struct ib_fmr_attr *fmr_attr);

int ehca_map_phys_fmr(struct ib_fmr *fmr,
		      u64 *page_list, int list_len, u64 iova);

int ehca_unmap_fmr(struct list_head *fmr_list);

int ehca_dealloc_fmr(struct ib_fmr *fmr);

enum ehca_eq_type {
	EHCA_EQ = 0, /* Event Queue              */
	EHCA_NEQ     /* Notification Event Queue */
};

int ehca_create_eq(struct ehca_shca *shca, struct ehca_eq *eq,
		   enum ehca_eq_type type, const u32 length);

int ehca_destroy_eq(struct ehca_shca *shca, struct ehca_eq *eq);

void *ehca_poll_eq(struct ehca_shca *shca, struct ehca_eq *eq);


struct ib_cq *ehca_create_cq(struct ib_device *device, int cqe, int comp_vector,
			     struct ib_ucontext *context,
			     struct ib_udata *udata);

int ehca_destroy_cq(struct ib_cq *cq);

int ehca_resize_cq(struct ib_cq *cq, int cqe, struct ib_udata *udata);

int ehca_poll_cq(struct ib_cq *cq, int num_entries, struct ib_wc *wc);

int ehca_peek_cq(struct ib_cq *cq, int wc_cnt);

int ehca_req_notify_cq(struct ib_cq *cq, enum ib_cq_notify_flags notify_flags);

struct ib_qp *ehca_create_qp(struct ib_pd *pd,
			     struct ib_qp_init_attr *init_attr,
			     struct ib_udata *udata);

int ehca_destroy_qp(struct ib_qp *qp);

int ehca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask,
		   struct ib_udata *udata);

int ehca_query_qp(struct ib_qp *qp, struct ib_qp_attr *qp_attr,
		  int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr);

int ehca_post_send(struct ib_qp *qp, struct ib_send_wr *send_wr,
		   struct ib_send_wr **bad_send_wr);

int ehca_post_recv(struct ib_qp *qp, struct ib_recv_wr *recv_wr,
		   struct ib_recv_wr **bad_recv_wr);

int ehca_post_srq_recv(struct ib_srq *srq,
		       struct ib_recv_wr *recv_wr,
		       struct ib_recv_wr **bad_recv_wr);

struct ib_srq *ehca_create_srq(struct ib_pd *pd,
			       struct ib_srq_init_attr *init_attr,
			       struct ib_udata *udata);

int ehca_modify_srq(struct ib_srq *srq, struct ib_srq_attr *attr,
		    enum ib_srq_attr_mask attr_mask, struct ib_udata *udata);

int ehca_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr);

int ehca_destroy_srq(struct ib_srq *srq);

u64 ehca_define_sqp(struct ehca_shca *shca, struct ehca_qp *ibqp,
		    struct ib_qp_init_attr *qp_init_attr);

int ehca_attach_mcast(struct ib_qp *qp, union ib_gid *gid, u16 lid);

int ehca_detach_mcast(struct ib_qp *qp, union ib_gid *gid, u16 lid);

struct ib_ucontext *ehca_alloc_ucontext(struct ib_device *device,
					struct ib_udata *udata);

int ehca_dealloc_ucontext(struct ib_ucontext *context);

int ehca_mmap(struct ib_ucontext *context, struct vm_area_struct *vma);

int ehca_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
		     struct ib_wc *in_wc, struct ib_grh *in_grh,
		     struct ib_mad *in_mad,
		     struct ib_mad *out_mad);

void ehca_poll_eqs(unsigned long data);

int ehca_calc_ipd(struct ehca_shca *shca, int port,
		  enum ib_rate path_rate, u32 *ipd);

void ehca_add_to_err_list(struct ehca_qp *qp, int on_sq);

#ifdef CONFIG_PPC_64K_PAGES
void *ehca_alloc_fw_ctrlblock(gfp_t flags);
void ehca_free_fw_ctrlblock(void *ptr);
#else
#define ehca_alloc_fw_ctrlblock(flags) ((void *)get_zeroed_page(flags))
#define ehca_free_fw_ctrlblock(ptr) free_page((unsigned long)(ptr))
#endif

void ehca_recover_sqp(struct ib_qp *sqp);

#endif
Commit	Line	Data
fab97220 HS	1	/*
	2	* IBM eServer eHCA Infiniband device driver for Linux on POWER
	3	*
	4	* Function definitions for internal functions
	5	*
	6	* Authors: Heiko J Schick <schickhj@de.ibm.com>
	7	* Dietmar Decker <ddecker@de.ibm.com>
	8	*
	9	* Copyright (c) 2005 IBM Corporation
	10	*
	11	* All rights reserved.
	12	*
	13	* This source code is distributed under a dual license of GPL v2.0 and OpenIB
	14	* BSD.
	15	*
	16	* OpenIB BSD License
	17	*
	18	* Redistribution and use in source and binary forms, with or without
	19	* modification, are permitted provided that the following conditions are met:
	20	*
	21	* Redistributions of source code must retain the above copyright notice, this
	22	* list of conditions and the following disclaimer.
	23	*
	24	* Redistributions in binary form must reproduce the above copyright notice,
	25	* this list of conditions and the following disclaimer in the documentation
	26	* and/or other materials
	27	* provided with the distribution.
	28	*
	29	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
	30	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	31	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	32	* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
	33	* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
	34	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	35	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
	36	* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
	37	* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	38	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
	39	* POSSIBILITY OF SUCH DAMAGE.
	40	*/
	41
	42	#ifndef __EHCA_IVERBS_H__
	43	#define __EHCA_IVERBS_H__
	44
	45	#include "ehca_classes.h"
	46
	47	int ehca_query_device(struct ib_device ibdev, struct ib_device_attr props);
	48
	49	int ehca_query_port(struct ib_device *ibdev, u8 port,
	50	struct ib_port_attr *props);
	51
8705ce5b JF	52	int ehca_query_sma_attr(struct ehca_shca *shca, u8 port,
	53	struct ehca_sma_attr *attr);
	54
fab97220 HS	55	int ehca_query_pkey(struct ib_device ibdev, u8 port, u16 index, u16 pkey);
	56
	57	int ehca_query_gid(struct ib_device *ibdev, u8 port, int index,
	58	union ib_gid *gid);
	59
	60	int ehca_modify_port(struct ib_device *ibdev, u8 port, int port_modify_mask,
	61	struct ib_port_modify *props);
	62
	63	struct ib_pd ehca_alloc_pd(struct ib_device device,
	64	struct ib_ucontext *context,
	65	struct ib_udata *udata);
	66
	67	int ehca_dealloc_pd(struct ib_pd *pd);
	68
	69	struct ib_ah ehca_create_ah(struct ib_pd pd, struct ib_ah_attr *ah_attr);
	70
	71	int ehca_modify_ah(struct ib_ah ah, struct ib_ah_attr ah_attr);
	72
	73	int ehca_query_ah(struct ib_ah ah, struct ib_ah_attr ah_attr);
	74
	75	int ehca_destroy_ah(struct ib_ah *ah);
	76
	77	struct ib_mr ehca_get_dma_mr(struct ib_pd pd, int mr_access_flags);
	78
	79	struct ib_mr ehca_reg_phys_mr(struct ib_pd pd,
	80	struct ib_phys_buf *phys_buf_array,
	81	int num_phys_buf,
	82	int mr_access_flags, u64 *iova_start);
	83
2b94397a HNN	84	struct ib_mr ehca_reg_user_mr(struct ib_pd pd, u64 start, u64 length,
	85	u64 virt, int mr_access_flags,
	86	struct ib_udata *udata);
fab97220 HS	87
	88	int ehca_rereg_phys_mr(struct ib_mr *mr,
	89	int mr_rereg_mask,
	90	struct ib_pd *pd,
	91	struct ib_phys_buf *phys_buf_array,
	92	int num_phys_buf, int mr_access_flags, u64 *iova_start);
	93
	94	int ehca_query_mr(struct ib_mr mr, struct ib_mr_attr mr_attr);
	95
	96	int ehca_dereg_mr(struct ib_mr *mr);
	97
7083e42e	98	struct ib_mw ehca_alloc_mw(struct ib_pd pd, enum ib_mw_type type);
fab97220 HS	99
	100	int ehca_bind_mw(struct ib_qp qp, struct ib_mw mw,
	101	struct ib_mw_bind *mw_bind);
	102
	103	int ehca_dealloc_mw(struct ib_mw *mw);
	104
	105	struct ib_fmr ehca_alloc_fmr(struct ib_pd pd,
	106	int mr_access_flags,
	107	struct ib_fmr_attr *fmr_attr);
	108
	109	int ehca_map_phys_fmr(struct ib_fmr *fmr,
	110	u64 *page_list, int list_len, u64 iova);
	111
	112	int ehca_unmap_fmr(struct list_head *fmr_list);
	113
	114	int ehca_dealloc_fmr(struct ib_fmr *fmr);
	115
	116	enum ehca_eq_type {
	117	EHCA_EQ = 0, /* Event Queue */
	118	EHCA_NEQ /* Notification Event Queue */
	119	};
	120
	121	int ehca_create_eq(struct ehca_shca shca, struct ehca_eq eq,
	122	enum ehca_eq_type type, const u32 length);
	123
	124	int ehca_destroy_eq(struct ehca_shca shca, struct ehca_eq eq);
	125
	126	void ehca_poll_eq(struct ehca_shca shca, struct ehca_eq *eq);
	127
	128
f4fd0b22	129	struct ib_cq ehca_create_cq(struct ib_device device, int cqe, int comp_vector,
fab97220 HS	130	struct ib_ucontext *context,
	131	struct ib_udata *udata);
	132
	133	int ehca_destroy_cq(struct ib_cq *cq);
	134
	135	int ehca_resize_cq(struct ib_cq cq, int cqe, struct ib_udata udata);
	136
	137	int ehca_poll_cq(struct ib_cq cq, int num_entries, struct ib_wc wc);
	138
	139	int ehca_peek_cq(struct ib_cq *cq, int wc_cnt);
	140
ed23a727	141	int ehca_req_notify_cq(struct ib_cq *cq, enum ib_cq_notify_flags notify_flags);
fab97220 HS	142
	143	struct ib_qp ehca_create_qp(struct ib_pd pd,
	144	struct ib_qp_init_attr *init_attr,
	145	struct ib_udata *udata);
	146
	147	int ehca_destroy_qp(struct ib_qp *qp);
	148
9bc57e2d RC	149	int ehca_modify_qp(struct ib_qp ibqp, struct ib_qp_attr attr, int attr_mask,
9bc57e2d RC	150	struct ib_udata *udata);
fab97220 HS	151
	152	int ehca_query_qp(struct ib_qp qp, struct ib_qp_attr qp_attr,
	153	int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr);
	154
	155	int ehca_post_send(struct ib_qp qp, struct ib_send_wr send_wr,
	156	struct ib_send_wr **bad_send_wr);
	157
	158	int ehca_post_recv(struct ib_qp qp, struct ib_recv_wr recv_wr,
	159	struct ib_recv_wr **bad_recv_wr);
	160
a6a12947 JF	161	int ehca_post_srq_recv(struct ib_srq *srq,
	162	struct ib_recv_wr *recv_wr,
	163	struct ib_recv_wr **bad_recv_wr);
	164
	165	struct ib_srq ehca_create_srq(struct ib_pd pd,
	166	struct ib_srq_init_attr *init_attr,
	167	struct ib_udata *udata);
	168
	169	int ehca_modify_srq(struct ib_srq srq, struct ib_srq_attr attr,
	170	enum ib_srq_attr_mask attr_mask, struct ib_udata *udata);
	171
	172	int ehca_query_srq(struct ib_srq srq, struct ib_srq_attr srq_attr);
	173
	174	int ehca_destroy_srq(struct ib_srq *srq);
	175
fab97220 HS	176	u64 ehca_define_sqp(struct ehca_shca shca, struct ehca_qp ibqp,
	177	struct ib_qp_init_attr *qp_init_attr);
	178
	179	int ehca_attach_mcast(struct ib_qp qp, union ib_gid gid, u16 lid);
	180
	181	int ehca_detach_mcast(struct ib_qp qp, union ib_gid gid, u16 lid);
	182
	183	struct ib_ucontext ehca_alloc_ucontext(struct ib_device device,
	184	struct ib_udata *udata);
	185
	186	int ehca_dealloc_ucontext(struct ib_ucontext *context);
	187
	188	int ehca_mmap(struct ib_ucontext context, struct vm_area_struct vma);
	189
2b5e6b12 HNN	190	int ehca_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
	191	struct ib_wc in_wc, struct ib_grh in_grh,
	192	struct ib_mad *in_mad,
	193	struct ib_mad *out_mad);
	194
fab97220 HS	195	void ehca_poll_eqs(unsigned long data);
fab97220 HS	196
51aaa54e JF	197	int ehca_calc_ipd(struct ehca_shca *shca, int port,
	198	enum ib_rate path_rate, u32 *ipd);
	199
b9012e0a AS	200	void ehca_add_to_err_list(struct ehca_qp *qp, int on_sq);
b9012e0a AS	201
7e28db5d	202	#ifdef CONFIG_PPC_64K_PAGES
f2d91361	203	void *ehca_alloc_fw_ctrlblock(gfp_t flags);
7e28db5d HNN	204	void ehca_free_fw_ctrlblock(void *ptr);
7e28db5d HNN	205	#else
2b94397a	206	#define ehca_alloc_fw_ctrlblock(flags) ((void *)get_zeroed_page(flags))
7e28db5d HNN	207	#define ehca_free_fw_ctrlblock(ptr) free_page((unsigned long)(ptr))
	208	#endif
	209
bbdd267e HNN	210	void ehca_recover_sqp(struct ib_qp *sqp);
bbdd267e HNN	211
fab97220	212	#endif