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/*
* 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);
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
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