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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c 
 kernel/drivers/infiniband/sw/rxe/rxe_loc.h
....@@ -1,40 +1,14 @@
1
+/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
12 /*
23  * Copyright (c) 2016 Mellanox Technologies Ltd. All rights reserved.
34  * Copyright (c) 2015 System Fabric Works, Inc. All rights reserved.
4
- *
5
- * This software is available to you under a choice of one of two
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- * licenses.  You may choose to be licensed under the terms of the GNU
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- * General Public License (GPL) Version 2, available from the file
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- * COPYING in the main directory of this source tree, or the
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- * OpenIB.org BSD license below:
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- *
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- *     Redistribution and use in source and binary forms, with or
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- *     without modification, are permitted provided that the following
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- *     conditions are met:
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- *
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- *	- Redistributions of source code must retain the above
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- *	  copyright notice, this list of conditions and the following
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- *	  disclaimer.
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- *
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- *	- Redistributions in binary form must reproduce the above
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- *	  copyright notice, this list of conditions and the following
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- *	  disclaimer in the documentation and/or other materials
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- *	  provided with the distribution.
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- *
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- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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- * SOFTWARE.
325  */
336 
347 #ifndef RXE_LOC_H
358 #define RXE_LOC_H
369 
3710 /* rxe_av.c */
11
+void rxe_init_av(struct rdma_ah_attr *attr, struct rxe_av *av);
3812 
3913 int rxe_av_chk_attr(struct rxe_dev *rxe, struct rdma_ah_attr *attr);
4014 
....@@ -52,11 +26,12 @@
5226 		    int cqe, int comp_vector);
5327 
5428 int rxe_cq_from_init(struct rxe_dev *rxe, struct rxe_cq *cq, int cqe,
55
-		     int comp_vector, struct ib_ucontext *context,
29
+		     int comp_vector, struct ib_udata *udata,
5630 		     struct rxe_create_cq_resp __user *uresp);
5731 
5832 int rxe_cq_resize_queue(struct rxe_cq *cq, int new_cqe,
59
-			struct rxe_resize_cq_resp __user *uresp);
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+			struct rxe_resize_cq_resp __user *uresp,
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+			struct ib_udata *udata);
6035 
6136 int rxe_cq_post(struct rxe_cq *cq, struct rxe_cqe *cqe, int solicited);
6237 
....@@ -90,10 +65,8 @@
9065 
9166 void rxe_mmap_release(struct kref *ref);
9267 
93
-struct rxe_mmap_info *rxe_create_mmap_info(struct rxe_dev *dev,
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-					   u32 size,
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-					   struct ib_ucontext *context,
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-					   void *obj);
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+struct rxe_mmap_info *rxe_create_mmap_info(struct rxe_dev *dev, u32 size,
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+					   struct ib_udata *udata, void *obj);
9770 
9871 int rxe_mmap(struct ib_ucontext *context, struct vm_area_struct *vma);
9972 
....@@ -103,8 +76,8 @@
10376 	from_mem_obj,
10477 };
10578 
106
-int rxe_mem_init_dma(struct rxe_pd *pd,
107
-		     int access, struct rxe_mem *mem);
79
+void rxe_mem_init_dma(struct rxe_pd *pd,
80
+		      int access, struct rxe_mem *mem);
10881 
10982 int rxe_mem_init_user(struct rxe_pd *pd, u64 start,
11083 		      u64 length, u64 iova, int access, struct ib_udata *udata,
....@@ -132,9 +105,6 @@
132105 
133106 int mem_check_range(struct rxe_mem *mem, u64 iova, size_t length);
134107 
135
-int rxe_mem_map_pages(struct rxe_dev *rxe, struct rxe_mem *mem,
136
-		      u64 *page, int num_pages, u64 iova);
137
-
138108 void rxe_mem_cleanup(struct rxe_pool_entry *arg);
139109 
140110 int advance_dma_data(struct rxe_dma_info *dma, unsigned int length);
....@@ -144,9 +114,7 @@
144114 int rxe_send(struct rxe_pkt_info *pkt, struct sk_buff *skb);
145115 struct sk_buff *rxe_init_packet(struct rxe_dev *rxe, struct rxe_av *av,
146116 				int paylen, struct rxe_pkt_info *pkt);
147
-int rxe_prepare(struct rxe_dev *rxe, struct rxe_pkt_info *pkt,
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-		struct sk_buff *skb, u32 *crc);
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-enum rdma_link_layer rxe_link_layer(struct rxe_dev *rxe, unsigned int port_num);
117
+int rxe_prepare(struct rxe_pkt_info *pkt, struct sk_buff *skb, u32 *crc);
150118 const char *rxe_parent_name(struct rxe_dev *rxe, unsigned int port_num);
151119 struct device *rxe_dma_device(struct rxe_dev *rxe);
152120 int rxe_mcast_add(struct rxe_dev *rxe, union ib_gid *mgid);
....@@ -158,7 +126,7 @@
158126 int rxe_qp_from_init(struct rxe_dev *rxe, struct rxe_qp *qp, struct rxe_pd *pd,
159127 		     struct ib_qp_init_attr *init,
160128 		     struct rxe_create_qp_resp __user *uresp,
161
-		     struct ib_pd *ibpd);
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+		     struct ib_pd *ibpd, struct ib_udata *udata);
162130 
163131 int rxe_qp_to_init(struct rxe_qp *qp, struct ib_qp_init_attr *init);
164132 
....@@ -196,7 +164,7 @@
196164 	if (qp->ibqp.qp_type == IB_QPT_RC || qp->ibqp.qp_type == IB_QPT_UC)
197165 		return qp->attr.path_mtu;
198166 	else
199
-		return RXE_PORT_MAX_MTU;
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+		return IB_MTU_4096;
200168 }
201169 
202170 static inline int rcv_wqe_size(int max_sge)
....@@ -224,15 +192,14 @@
224192 		     struct ib_srq_attr *attr, enum ib_srq_attr_mask mask);
225193 
226194 int rxe_srq_from_init(struct rxe_dev *rxe, struct rxe_srq *srq,
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-		      struct ib_srq_init_attr *init,
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-		      struct ib_ucontext *context,
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+		      struct ib_srq_init_attr *init, struct ib_udata *udata,
229196 		      struct rxe_create_srq_resp __user *uresp);
230197 
231198 int rxe_srq_from_attr(struct rxe_dev *rxe, struct rxe_srq *srq,
232199 		      struct ib_srq_attr *attr, enum ib_srq_attr_mask mask,
233
-		      struct rxe_modify_srq_cmd *ucmd);
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+		      struct rxe_modify_srq_cmd *ucmd, struct ib_udata *udata);
234201 
235
-void rxe_release(struct kref *kref);
202
+void rxe_dealloc(struct ib_device *ib_dev);
236203 
237204 int rxe_completer(void *arg);
238205 int rxe_requester(void *arg);
....@@ -240,22 +207,21 @@
240207 
241208 u32 rxe_icrc_hdr(struct rxe_pkt_info *pkt, struct sk_buff *skb);
242209 
243
-void rxe_resp_queue_pkt(struct rxe_dev *rxe,
244
-			struct rxe_qp *qp, struct sk_buff *skb);
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+void rxe_resp_queue_pkt(struct rxe_qp *qp, struct sk_buff *skb);
245211 
246
-void rxe_comp_queue_pkt(struct rxe_dev *rxe,
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-			struct rxe_qp *qp, struct sk_buff *skb);
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+void rxe_comp_queue_pkt(struct rxe_qp *qp, struct sk_buff *skb);
248213 
249214 static inline unsigned int wr_opcode_mask(int opcode, struct rxe_qp *qp)
250215 {
251216 	return rxe_wr_opcode_info[opcode].mask[qp->ibqp.qp_type];
252217 }
253218 
254
-static inline int rxe_xmit_packet(struct rxe_dev *rxe, struct rxe_qp *qp,
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-				  struct rxe_pkt_info *pkt, struct sk_buff *skb)
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+static inline int rxe_xmit_packet(struct rxe_qp *qp, struct rxe_pkt_info *pkt,
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+				  struct sk_buff *skb)
256221 {
257222 	int err;
258223 	int is_request = pkt->mask & RXE_REQ_MASK;
224
+	struct rxe_dev *rxe = to_rdev(qp->ibqp.device);
259225 
260226 	if ((is_request && (qp->req.state != QP_STATE_READY)) ||
261227 	    (!is_request && (qp->resp.state != QP_STATE_READY))) {