ehca: firmware InfiniBand interface

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+/*
+ *  IBM eServer eHCA Infiniband device driver for Linux on POWER
+ *
+ *  Firmware Infiniband Interface code for POWER
+ *
+ *  Authors: Christoph Raisch <[email protected]>
+ *           Hoang-Nam Nguyen <[email protected]>
+ *           Gerd Bayer <[email protected]>
+ *           Waleri Fomin <[email protected]>
+ *
+ *  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.
+ *
+ *  $Id: hcp_if.h,v 1.12 2006/04/04 21:52:30 nguyen Exp $
+ */
+
+#ifndef __HCP_IF_H__
+#define __HCP_IF_H__
+
+#include "ehca_classes.h"
+#include "hipz_hw.h"
+
+/**
+ * hipz_h_alloc_resource_eq - Allocate EQ resources in HW and FW, initalize
+ * resources, create the empty EQPT (ring).
+ *
+ * @eq_handle:         eq handle for this queue
+ * @act_nr_of_entries: actual number of queue entries
+ * @act_pages:         actual number of queue pages
+ * @eq_ist:            used by hcp_H_XIRR() call
+ */
+u64 hipz_h_alloc_resource_eq(const struct ipz_adapter_handle adapter_handle,
+			     struct ehca_pfeq *pfeq,
+			     const u32 neq_control,
+			     const u32 number_of_entries,
+			     struct ipz_eq_handle *eq_handle,
+			     u32 * act_nr_of_entries,
+			     u32 * act_pages,
+			     u32 * eq_ist);
+
+u64 hipz_h_reset_event(const struct ipz_adapter_handle adapter_handle,
+		       struct ipz_eq_handle eq_handle,
+		       const u64 event_mask);
+/**
+ * hipz_h_allocate_resource_cq - Allocate CQ resources in HW and FW, initialize
+ * resources, create the empty CQPT (ring).
+ *
+ * @eq_handle:         eq handle to use for this cq
+ * @cq_handle:         cq handle for this queue
+ * @act_nr_of_entries: actual number of queue entries
+ * @act_pages:         actual number of queue pages
+ * @galpas:            contain logical adress of priv. storage and
+ *                     log_user_storage
+ */
+u64 hipz_h_alloc_resource_cq(const struct ipz_adapter_handle adapter_handle,
+			     struct ehca_pfcq *pfcq,
+			     const struct ipz_eq_handle eq_handle,
+			     const u32 cq_token,
+			     const u32 number_of_entries,
+			     struct ipz_cq_handle *cq_handle,
+			     u32 * act_nr_of_entries,
+			     u32 * act_pages,
+			     struct h_galpas *galpas);
+
+/**
+ * hipz_h_alloc_resource_qp - Allocate QP resources in HW and FW,
+ * initialize resources, create empty QPPTs (2 rings).
+ *
+ * @h_galpas to access HCA resident QP attributes
+ */
+u64 hipz_h_alloc_resource_qp(const struct ipz_adapter_handle adapter_handle,
+			     struct ehca_pfqp *pfqp,
+			     const u8 servicetype,
+			     const u8 daqp_ctrl,
+			     const u8 signalingtype,
+			     const u8 ud_av_l_key_ctl,
+			     const struct ipz_cq_handle send_cq_handle,
+			     const struct ipz_cq_handle receive_cq_handle,
+			     const struct ipz_eq_handle async_eq_handle,
+			     const u32 qp_token,
+			     const struct ipz_pd pd,
+			     const u16 max_nr_send_wqes,
+			     const u16 max_nr_receive_wqes,
+			     const u8 max_nr_send_sges,
+			     const u8 max_nr_receive_sges,
+			     const u32 ud_av_l_key,
+			     struct ipz_qp_handle *qp_handle,
+			     u32 * qp_nr,
+			     u16 * act_nr_send_wqes,
+			     u16 * act_nr_receive_wqes,
+			     u8 * act_nr_send_sges,
+			     u8 * act_nr_receive_sges,
+			     u32 * nr_sq_pages,
+			     u32 * nr_rq_pages,
+			     struct h_galpas *h_galpas);
+
+u64 hipz_h_query_port(const struct ipz_adapter_handle adapter_handle,
+		      const u8 port_id,
+		      struct hipz_query_port *query_port_response_block);
+
+u64 hipz_h_query_hca(const struct ipz_adapter_handle adapter_handle,
+		     struct hipz_query_hca *query_hca_rblock);
+
+/**
+ * hipz_h_register_rpage - hcp_if.h internal function for all
+ * hcp_H_REGISTER_RPAGE calls.
+ *
+ * @logical_address_of_page: kv transformation to GX address in this routine
+ */
+u64 hipz_h_register_rpage(const struct ipz_adapter_handle adapter_handle,
+			  const u8 pagesize,
+			  const u8 queue_type,
+			  const u64 resource_handle,
+			  const u64 logical_address_of_page,
+			  u64 count);
+
+u64 hipz_h_register_rpage_eq(const struct ipz_adapter_handle adapter_handle,
+			     const struct ipz_eq_handle eq_handle,
+			     struct ehca_pfeq *pfeq,
+			     const u8 pagesize,
+			     const u8 queue_type,
+			     const u64 logical_address_of_page,
+			     const u64 count);
+
+u32 hipz_h_query_int_state(const struct ipz_adapter_handle
+			   hcp_adapter_handle,
+			   u32 ist);
+
+u64 hipz_h_register_rpage_cq(const struct ipz_adapter_handle adapter_handle,
+			     const struct ipz_cq_handle cq_handle,
+			     struct ehca_pfcq *pfcq,
+			     const u8 pagesize,
+			     const u8 queue_type,
+			     const u64 logical_address_of_page,
+			     const u64 count,
+			     const struct h_galpa gal);
+
+u64 hipz_h_register_rpage_qp(const struct ipz_adapter_handle adapter_handle,
+			     const struct ipz_qp_handle qp_handle,
+			     struct ehca_pfqp *pfqp,
+			     const u8 pagesize,
+			     const u8 queue_type,
+			     const u64 logical_address_of_page,
+			     const u64 count,
+			     const struct h_galpa galpa);
+
+u64 hipz_h_remove_rpt_cq(const struct ipz_adapter_handle adapter_handle,
+			 const struct ipz_cq_handle cq_handle,
+			 struct ehca_pfcq *pfcq);
+
+u64 hipz_h_remove_rpt_eq(const struct ipz_adapter_handle adapter_handle,
+			 const struct ipz_eq_handle eq_handle,
+			 struct ehca_pfeq *pfeq);
+
+u64 hipz_h_remove_rpt_qp(const struct ipz_adapter_handle adapter_handle,
+			 const struct ipz_qp_handle qp_handle,
+			 struct ehca_pfqp *pfqp);
+
+u64 hipz_h_disable_and_get_wqe(const struct ipz_adapter_handle adapter_handle,
+			       const struct ipz_qp_handle qp_handle,
+			       struct ehca_pfqp *pfqp,
+			       void **log_addr_next_sq_wqe_tb_processed,
+			       void **log_addr_next_rq_wqe_tb_processed,
+			       int dis_and_get_function_code);
+enum hcall_sigt {
+	HCALL_SIGT_NO_CQE = 0,
+	HCALL_SIGT_BY_WQE = 1,
+	HCALL_SIGT_EVERY = 2
+};
+
+u64 hipz_h_modify_qp(const struct ipz_adapter_handle adapter_handle,
+		     const struct ipz_qp_handle qp_handle,
+		     struct ehca_pfqp *pfqp,
+		     const u64 update_mask,
+		     struct hcp_modify_qp_control_block *mqpcb,
+		     struct h_galpa gal);
+
+u64 hipz_h_query_qp(const struct ipz_adapter_handle adapter_handle,
+		    const struct ipz_qp_handle qp_handle,
+		    struct ehca_pfqp *pfqp,
+		    struct hcp_modify_qp_control_block *qqpcb,
+		    struct h_galpa gal);
+
+u64 hipz_h_destroy_qp(const struct ipz_adapter_handle adapter_handle,
+		      struct ehca_qp *qp);
+
+u64 hipz_h_define_aqp0(const struct ipz_adapter_handle adapter_handle,
+		       const struct ipz_qp_handle qp_handle,
+		       struct h_galpa gal,
+		       u32 port);
+
+u64 hipz_h_define_aqp1(const struct ipz_adapter_handle adapter_handle,
+		       const struct ipz_qp_handle qp_handle,
+		       struct h_galpa gal,
+		       u32 port, u32 * pma_qp_nr,
+		       u32 * bma_qp_nr);
+
+u64 hipz_h_attach_mcqp(const struct ipz_adapter_handle adapter_handle,
+		       const struct ipz_qp_handle qp_handle,
+		       struct h_galpa gal,
+		       u16 mcg_dlid,
+		       u64 subnet_prefix, u64 interface_id);
+
+u64 hipz_h_detach_mcqp(const struct ipz_adapter_handle adapter_handle,
+		       const struct ipz_qp_handle qp_handle,
+		       struct h_galpa gal,
+		       u16 mcg_dlid,
+		       u64 subnet_prefix, u64 interface_id);
+
+u64 hipz_h_destroy_cq(const struct ipz_adapter_handle adapter_handle,
+		      struct ehca_cq *cq,
+		      u8 force_flag);
+
+u64 hipz_h_destroy_eq(const struct ipz_adapter_handle adapter_handle,
+		      struct ehca_eq *eq);
+
+/**
+ * hipz_h_alloc_resource_mr - Allocate MR resources in HW and FW, initialize
+ * resources.
+ *
+ * @pfmr:        platform specific for MR
+ * pfshca:       platform specific for SHCA
+ * vaddr:        Memory Region I/O Virtual Address
+ * @length:      Memory Region Length
+ * @access_ctrl: Memory Region Access Controls
+ * @pd:          Protection Domain
+ * @mr_handle:   Memory Region Handle
+ */
+u64 hipz_h_alloc_resource_mr(const struct ipz_adapter_handle adapter_handle,
+			     struct ehca_pfmr *pfmr,
+			     struct ehca_pfshca *pfshca,
+			     const u64 vaddr,
+			     const u64 length,
+			     const u32 access_ctrl,
+			     const struct ipz_pd pd,
+			     struct ipz_mrmw_handle *mr_handle,
+			     u32 * lkey,
+			     u32 * rkey);
+
+/**
+ * hipz_h_register_rpage_mr - Register MR resource page in HW and FW .
+ *
+ * @pfmr:       platform specific for MR
+ * @pfshca:     platform specific for SHCA
+ * @queue_type: must be zero for MR
+ */
+u64 hipz_h_register_rpage_mr(const struct ipz_adapter_handle adapter_handle,
+			     const struct ipz_mrmw_handle *mr_handle,
+			     struct ehca_pfmr *pfmr,
+			     struct ehca_pfshca *pfshca,
+			     const u8 pagesize,
+			     const u8 queue_type,
+			     const u64 logical_address_of_page,
+			     const u64 count);
+
+/**
+ * hipz_h_query_mr - Query MR in HW and FW.
+ *
+ * @pfmr:             platform specific for MR
+ * @mr_handle:        Memory Region Handle
+ * @mr_local_length:  Local MR Length
+ * @mr_local_vaddr:   Local MR I/O Virtual Address
+ * @mr_remote_length: Remote MR Length
+ * @mr_remote_vaddr   Remote MR I/O Virtual Address
+ * @access_ctrl:      Memory Region Access Controls
+ * @pd:               Protection Domain
+ * lkey:              L_Key
+ * rkey:              R_Key
+ */
+u64 hipz_h_query_mr(const struct ipz_adapter_handle adapter_handle,
+		    struct ehca_pfmr *pfmr,
+		    const struct ipz_mrmw_handle *mr_handle,
+		    u64 * mr_local_length,
+		    u64 * mr_local_vaddr,
+		    u64 * mr_remote_length,
+		    u64 * mr_remote_vaddr,
+		    u32 * access_ctrl,
+		    struct ipz_pd *pd,
+		    u32 * lkey,
+		    u32 * rkey);
+
+/**
+ * hipz_h_free_resource_mr - Free MR resources in HW and FW.
+ *
+ * @pfmr:      platform specific for MR
+ * @mr_handle: Memory Region Handle
+ */
+u64 hipz_h_free_resource_mr(const struct ipz_adapter_handle adapter_handle,
+			    struct ehca_pfmr *pfmr,
+			    const struct ipz_mrmw_handle *mr_handle);
+
+/**
+ * hipz_h_reregister_pmr - Reregister MR in HW and FW.
+ *
+ * @pfmr:        platform specific for MR
+ * @pfshca:      platform specific for SHCA
+ * @mr_handle:   Memory Region Handle
+ * @vaddr_in:    Memory Region I/O Virtual Address
+ * @length:      Memory Region Length
+ * @access_ctrl: Memory Region Access Controls
+ * @pd:          Protection Domain
+ * @mr_addr_cb:  Logical Address of MR Control Block
+ * @vaddr_out:   Memory Region I/O Virtual Address
+ * lkey:         L_Key
+ * rkey:         R_Key
+ *
+ */
+u64 hipz_h_reregister_pmr(const struct ipz_adapter_handle adapter_handle,
+			  struct ehca_pfmr *pfmr,
+			  struct ehca_pfshca *pfshca,
+			  const struct ipz_mrmw_handle *mr_handle,
+			  const u64 vaddr_in,
+			  const u64 length,
+			  const u32 access_ctrl,
+			  const struct ipz_pd pd,
+			  const u64 mr_addr_cb,
+			  u64 * vaddr_out,
+			  u32 * lkey,
+			  u32 * rkey);
+
+/**
+ * hipz_h_register_smr - Register shared MR in HW and FW.
+ *
+ * @pfmr:           platform specific for new shared MR
+ * @orig_pfmr:      platform specific for original MR
+ * @pfshca:         platform specific for SHCA
+ * @orig_mr_handle: Memory Region Handle of original MR
+ * @vaddr_in:       Memory Region I/O Virtual Address of new shared MR
+ * @access_ctrl:    Memory Region Access Controls of new shared MR
+ * @pd:             Protection Domain of new shared MR
+ * @mr_handle:      Memory Region Handle of new shared MR
+ * @lkey:           L_Key of new shared MR
+ * @rkey:           R_Key of new shared MR
+ */
+u64 hipz_h_register_smr(const struct ipz_adapter_handle adapter_handle,
+			struct ehca_pfmr *pfmr,
+			struct ehca_pfmr *orig_pfmr,
+			struct ehca_pfshca *pfshca,
+			const struct ipz_mrmw_handle *orig_mr_handle,
+			const u64 vaddr_in,
+			const u32 access_ctrl,
+			const struct ipz_pd pd,
+			struct ipz_mrmw_handle *mr_handle,
+			u32 * lkey,
+			u32 * rkey);
+
+u64 hipz_h_alloc_resource_mw(const struct ipz_adapter_handle adapter_handle,
+			     struct ehca_pfmw *pfmw,
+			     struct ehca_pfshca *pfshca,
+			     const struct ipz_pd pd,
+			     struct ipz_mrmw_handle *mw_handle,
+			     u32 * rkey);
+
+u64 hipz_h_query_mw(const struct ipz_adapter_handle adapter_handle,
+		    struct ehca_pfmw *pfmw,
+		    const struct ipz_mrmw_handle *mw_handle,
+		    u32 * rkey,
+		    struct ipz_pd *pd);
+
+u64 hipz_h_free_resource_mw(const struct ipz_adapter_handle adapter_handle,
+			    struct ehca_pfmw *pfmw,
+			    const struct ipz_mrmw_handle *mw_handle);
+
+u64 hipz_h_error_data(const struct ipz_adapter_handle adapter_handle,
+		      const u64 ressource_handle,
+		      void *rblock,
+		      unsigned long *byte_count);
+
+#endif /* __HCP_IF_H__ */

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