/* * Copyright (c) 2004 Topspin Communications. All rights reserved. * Copyright (c) 2005, 2006, 2007, 2008 Mellanox Technologies. All rights reserved. * Copyright (c) 2006, 2007 Cisco Systems, Inc. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU * General Public License (GPL) Version 2, available from the file * COPYING in the main directory of this source tree, or the * OpenIB.org BSD license below: * * 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. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ #include <linux/errno.h> #include <linux/export.h> #include <linux/slab.h> #include <linux/kernel.h> #include <linux/vmalloc.h> #include <linux/mlx4/cmd.h> #include "mlx4.h" #include "icm.h" static u32 mlx4_buddy_alloc(struct mlx4_buddy *buddy, int order) { … } static void mlx4_buddy_free(struct mlx4_buddy *buddy, u32 seg, int order) { … } static int mlx4_buddy_init(struct mlx4_buddy *buddy, int max_order) { … } static void mlx4_buddy_cleanup(struct mlx4_buddy *buddy) { … } u32 __mlx4_alloc_mtt_range(struct mlx4_dev *dev, int order) { … } static u32 mlx4_alloc_mtt_range(struct mlx4_dev *dev, int order) { … } int mlx4_mtt_init(struct mlx4_dev *dev, int npages, int page_shift, struct mlx4_mtt *mtt) { … } EXPORT_SYMBOL_GPL(…); void __mlx4_free_mtt_range(struct mlx4_dev *dev, u32 offset, int order) { … } static void mlx4_free_mtt_range(struct mlx4_dev *dev, u32 offset, int order) { … } void mlx4_mtt_cleanup(struct mlx4_dev *dev, struct mlx4_mtt *mtt) { … } EXPORT_SYMBOL_GPL(…); u64 mlx4_mtt_addr(struct mlx4_dev *dev, struct mlx4_mtt *mtt) { … } EXPORT_SYMBOL_GPL(…); static u32 hw_index_to_key(u32 ind) { … } static u32 key_to_hw_index(u32 key) { … } static int mlx4_SW2HW_MPT(struct mlx4_dev *dev, struct mlx4_cmd_mailbox *mailbox, int mpt_index) { … } static int mlx4_HW2SW_MPT(struct mlx4_dev *dev, struct mlx4_cmd_mailbox *mailbox, int mpt_index) { … } /* Must protect against concurrent access */ int mlx4_mr_hw_get_mpt(struct mlx4_dev *dev, struct mlx4_mr *mmr, struct mlx4_mpt_entry ***mpt_entry) { … } EXPORT_SYMBOL_GPL(…); int mlx4_mr_hw_write_mpt(struct mlx4_dev *dev, struct mlx4_mr *mmr, struct mlx4_mpt_entry **mpt_entry) { … } EXPORT_SYMBOL_GPL(…); void mlx4_mr_hw_put_mpt(struct mlx4_dev *dev, struct mlx4_mpt_entry **mpt_entry) { … } EXPORT_SYMBOL_GPL(…); int mlx4_mr_hw_change_pd(struct mlx4_dev *dev, struct mlx4_mpt_entry *mpt_entry, u32 pdn) { … } EXPORT_SYMBOL_GPL(…); int mlx4_mr_hw_change_access(struct mlx4_dev *dev, struct mlx4_mpt_entry *mpt_entry, u32 access) { … } EXPORT_SYMBOL_GPL(…); static int mlx4_mr_alloc_reserved(struct mlx4_dev *dev, u32 mridx, u32 pd, u64 iova, u64 size, u32 access, int npages, int page_shift, struct mlx4_mr *mr) { … } static int mlx4_WRITE_MTT(struct mlx4_dev *dev, struct mlx4_cmd_mailbox *mailbox, int num_entries) { … } int __mlx4_mpt_reserve(struct mlx4_dev *dev) { … } static int mlx4_mpt_reserve(struct mlx4_dev *dev) { … } void __mlx4_mpt_release(struct mlx4_dev *dev, u32 index) { … } static void mlx4_mpt_release(struct mlx4_dev *dev, u32 index) { … } int __mlx4_mpt_alloc_icm(struct mlx4_dev *dev, u32 index) { … } static int mlx4_mpt_alloc_icm(struct mlx4_dev *dev, u32 index) { … } void __mlx4_mpt_free_icm(struct mlx4_dev *dev, u32 index) { … } static void mlx4_mpt_free_icm(struct mlx4_dev *dev, u32 index) { … } int mlx4_mr_alloc(struct mlx4_dev *dev, u32 pd, u64 iova, u64 size, u32 access, int npages, int page_shift, struct mlx4_mr *mr) { … } EXPORT_SYMBOL_GPL(…); static int mlx4_mr_free_reserved(struct mlx4_dev *dev, struct mlx4_mr *mr) { … } int mlx4_mr_free(struct mlx4_dev *dev, struct mlx4_mr *mr) { … } EXPORT_SYMBOL_GPL(…); void mlx4_mr_rereg_mem_cleanup(struct mlx4_dev *dev, struct mlx4_mr *mr) { … } EXPORT_SYMBOL_GPL(…); int mlx4_mr_rereg_mem_write(struct mlx4_dev *dev, struct mlx4_mr *mr, u64 iova, u64 size, int npages, int page_shift, struct mlx4_mpt_entry *mpt_entry) { … } EXPORT_SYMBOL_GPL(…); int mlx4_mr_enable(struct mlx4_dev *dev, struct mlx4_mr *mr) { … } EXPORT_SYMBOL_GPL(…); static int mlx4_write_mtt_chunk(struct mlx4_dev *dev, struct mlx4_mtt *mtt, int start_index, int npages, u64 *page_list) { … } int __mlx4_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt, int start_index, int npages, u64 *page_list) { … } int mlx4_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt, int start_index, int npages, u64 *page_list) { … } EXPORT_SYMBOL_GPL(…); int mlx4_buf_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt, struct mlx4_buf *buf) { … } EXPORT_SYMBOL_GPL(…); int mlx4_mw_alloc(struct mlx4_dev *dev, u32 pd, enum mlx4_mw_type type, struct mlx4_mw *mw) { … } EXPORT_SYMBOL_GPL(…); int mlx4_mw_enable(struct mlx4_dev *dev, struct mlx4_mw *mw) { … } EXPORT_SYMBOL_GPL(…); void mlx4_mw_free(struct mlx4_dev *dev, struct mlx4_mw *mw) { … } EXPORT_SYMBOL_GPL(…); int mlx4_init_mr_table(struct mlx4_dev *dev) { … } void mlx4_cleanup_mr_table(struct mlx4_dev *dev) { … } int mlx4_SYNC_TPT(struct mlx4_dev *dev) { … } EXPORT_SYMBOL_GPL(…);
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