1  // SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
2  /*
3   * Copyright (c) 2017-2020, Mellanox Technologies inc. All rights reserved.
4   */
5  
6  #include "cmd.h"
7  
mlx5r_cmd_query_special_mkeys(struct mlx5_ib_dev * dev)8  int mlx5r_cmd_query_special_mkeys(struct mlx5_ib_dev *dev)
9  {
10  	u32 out[MLX5_ST_SZ_DW(query_special_contexts_out)] = {};
11  	u32 in[MLX5_ST_SZ_DW(query_special_contexts_in)] = {};
12  	bool is_terminate, is_dump, is_null;
13  	int err;
14  
15  	is_terminate = MLX5_CAP_GEN(dev->mdev, terminate_scatter_list_mkey);
16  	is_dump = MLX5_CAP_GEN(dev->mdev, dump_fill_mkey);
17  	is_null = MLX5_CAP_GEN(dev->mdev, null_mkey);
18  
19  	dev->mkeys.terminate_scatter_list_mkey = MLX5_TERMINATE_SCATTER_LIST_LKEY;
20  	if (!is_terminate && !is_dump && !is_null)
21  		return 0;
22  
23  	MLX5_SET(query_special_contexts_in, in, opcode,
24  		 MLX5_CMD_OP_QUERY_SPECIAL_CONTEXTS);
25  	err = mlx5_cmd_exec_inout(dev->mdev, query_special_contexts, in, out);
26  	if (err)
27  		return err;
28  
29  	if (is_dump)
30  		dev->mkeys.dump_fill_mkey = MLX5_GET(query_special_contexts_out,
31  						     out, dump_fill_mkey);
32  
33  	if (is_null)
34  		dev->mkeys.null_mkey = cpu_to_be32(
35  			MLX5_GET(query_special_contexts_out, out, null_mkey));
36  
37  	if (is_terminate)
38  		dev->mkeys.terminate_scatter_list_mkey =
39  			cpu_to_be32(MLX5_GET(query_special_contexts_out, out,
40  					     terminate_scatter_list_mkey));
41  
42  	return 0;
43  }
44  
mlx5_cmd_query_cong_params(struct mlx5_core_dev * dev,int cong_point,void * out)45  int mlx5_cmd_query_cong_params(struct mlx5_core_dev *dev, int cong_point,
46  			       void *out)
47  {
48  	u32 in[MLX5_ST_SZ_DW(query_cong_params_in)] = {};
49  
50  	MLX5_SET(query_cong_params_in, in, opcode,
51  		 MLX5_CMD_OP_QUERY_CONG_PARAMS);
52  	MLX5_SET(query_cong_params_in, in, cong_protocol, cong_point);
53  
54  	return mlx5_cmd_exec_inout(dev, query_cong_params, in, out);
55  }
56  
mlx5_cmd_destroy_tir(struct mlx5_core_dev * dev,u32 tirn,u16 uid)57  void mlx5_cmd_destroy_tir(struct mlx5_core_dev *dev, u32 tirn, u16 uid)
58  {
59  	u32 in[MLX5_ST_SZ_DW(destroy_tir_in)] = {};
60  
61  	MLX5_SET(destroy_tir_in, in, opcode, MLX5_CMD_OP_DESTROY_TIR);
62  	MLX5_SET(destroy_tir_in, in, tirn, tirn);
63  	MLX5_SET(destroy_tir_in, in, uid, uid);
64  	mlx5_cmd_exec_in(dev, destroy_tir, in);
65  }
66  
mlx5_cmd_destroy_tis(struct mlx5_core_dev * dev,u32 tisn,u16 uid)67  void mlx5_cmd_destroy_tis(struct mlx5_core_dev *dev, u32 tisn, u16 uid)
68  {
69  	u32 in[MLX5_ST_SZ_DW(destroy_tis_in)] = {};
70  
71  	MLX5_SET(destroy_tis_in, in, opcode, MLX5_CMD_OP_DESTROY_TIS);
72  	MLX5_SET(destroy_tis_in, in, tisn, tisn);
73  	MLX5_SET(destroy_tis_in, in, uid, uid);
74  	mlx5_cmd_exec_in(dev, destroy_tis, in);
75  }
76  
mlx5_cmd_destroy_rqt(struct mlx5_core_dev * dev,u32 rqtn,u16 uid)77  int mlx5_cmd_destroy_rqt(struct mlx5_core_dev *dev, u32 rqtn, u16 uid)
78  {
79  	u32 in[MLX5_ST_SZ_DW(destroy_rqt_in)] = {};
80  
81  	MLX5_SET(destroy_rqt_in, in, opcode, MLX5_CMD_OP_DESTROY_RQT);
82  	MLX5_SET(destroy_rqt_in, in, rqtn, rqtn);
83  	MLX5_SET(destroy_rqt_in, in, uid, uid);
84  	return mlx5_cmd_exec_in(dev, destroy_rqt, in);
85  }
86  
mlx5_cmd_alloc_transport_domain(struct mlx5_core_dev * dev,u32 * tdn,u16 uid)87  int mlx5_cmd_alloc_transport_domain(struct mlx5_core_dev *dev, u32 *tdn,
88  				    u16 uid)
89  {
90  	u32 in[MLX5_ST_SZ_DW(alloc_transport_domain_in)] = {};
91  	u32 out[MLX5_ST_SZ_DW(alloc_transport_domain_out)] = {};
92  	int err;
93  
94  	MLX5_SET(alloc_transport_domain_in, in, opcode,
95  		 MLX5_CMD_OP_ALLOC_TRANSPORT_DOMAIN);
96  	MLX5_SET(alloc_transport_domain_in, in, uid, uid);
97  
98  	err = mlx5_cmd_exec_inout(dev, alloc_transport_domain, in, out);
99  	if (!err)
100  		*tdn = MLX5_GET(alloc_transport_domain_out, out,
101  				transport_domain);
102  
103  	return err;
104  }
105  
mlx5_cmd_dealloc_transport_domain(struct mlx5_core_dev * dev,u32 tdn,u16 uid)106  void mlx5_cmd_dealloc_transport_domain(struct mlx5_core_dev *dev, u32 tdn,
107  				       u16 uid)
108  {
109  	u32 in[MLX5_ST_SZ_DW(dealloc_transport_domain_in)] = {};
110  
111  	MLX5_SET(dealloc_transport_domain_in, in, opcode,
112  		 MLX5_CMD_OP_DEALLOC_TRANSPORT_DOMAIN);
113  	MLX5_SET(dealloc_transport_domain_in, in, uid, uid);
114  	MLX5_SET(dealloc_transport_domain_in, in, transport_domain, tdn);
115  	mlx5_cmd_exec_in(dev, dealloc_transport_domain, in);
116  }
117  
mlx5_cmd_dealloc_pd(struct mlx5_core_dev * dev,u32 pdn,u16 uid)118  int mlx5_cmd_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn, u16 uid)
119  {
120  	u32 in[MLX5_ST_SZ_DW(dealloc_pd_in)] = {};
121  
122  	MLX5_SET(dealloc_pd_in, in, opcode, MLX5_CMD_OP_DEALLOC_PD);
123  	MLX5_SET(dealloc_pd_in, in, pd, pdn);
124  	MLX5_SET(dealloc_pd_in, in, uid, uid);
125  	return mlx5_cmd_exec_in(dev, dealloc_pd, in);
126  }
127  
mlx5_cmd_attach_mcg(struct mlx5_core_dev * dev,union ib_gid * mgid,u32 qpn,u16 uid)128  int mlx5_cmd_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid,
129  			u32 qpn, u16 uid)
130  {
131  	u32 in[MLX5_ST_SZ_DW(attach_to_mcg_in)] = {};
132  	void *gid;
133  
134  	MLX5_SET(attach_to_mcg_in, in, opcode, MLX5_CMD_OP_ATTACH_TO_MCG);
135  	MLX5_SET(attach_to_mcg_in, in, qpn, qpn);
136  	MLX5_SET(attach_to_mcg_in, in, uid, uid);
137  	gid = MLX5_ADDR_OF(attach_to_mcg_in, in, multicast_gid);
138  	memcpy(gid, mgid, sizeof(*mgid));
139  	return mlx5_cmd_exec_in(dev, attach_to_mcg, in);
140  }
141  
mlx5_cmd_detach_mcg(struct mlx5_core_dev * dev,union ib_gid * mgid,u32 qpn,u16 uid)142  int mlx5_cmd_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid,
143  			u32 qpn, u16 uid)
144  {
145  	u32 in[MLX5_ST_SZ_DW(detach_from_mcg_in)] = {};
146  	void *gid;
147  
148  	MLX5_SET(detach_from_mcg_in, in, opcode, MLX5_CMD_OP_DETACH_FROM_MCG);
149  	MLX5_SET(detach_from_mcg_in, in, qpn, qpn);
150  	MLX5_SET(detach_from_mcg_in, in, uid, uid);
151  	gid = MLX5_ADDR_OF(detach_from_mcg_in, in, multicast_gid);
152  	memcpy(gid, mgid, sizeof(*mgid));
153  	return mlx5_cmd_exec_in(dev, detach_from_mcg, in);
154  }
155  
mlx5_cmd_xrcd_alloc(struct mlx5_core_dev * dev,u32 * xrcdn,u16 uid)156  int mlx5_cmd_xrcd_alloc(struct mlx5_core_dev *dev, u32 *xrcdn, u16 uid)
157  {
158  	u32 out[MLX5_ST_SZ_DW(alloc_xrcd_out)] = {};
159  	u32 in[MLX5_ST_SZ_DW(alloc_xrcd_in)] = {};
160  	int err;
161  
162  	MLX5_SET(alloc_xrcd_in, in, opcode, MLX5_CMD_OP_ALLOC_XRCD);
163  	MLX5_SET(alloc_xrcd_in, in, uid, uid);
164  	err = mlx5_cmd_exec_inout(dev, alloc_xrcd, in, out);
165  	if (!err)
166  		*xrcdn = MLX5_GET(alloc_xrcd_out, out, xrcd);
167  	return err;
168  }
169  
mlx5_cmd_xrcd_dealloc(struct mlx5_core_dev * dev,u32 xrcdn,u16 uid)170  int mlx5_cmd_xrcd_dealloc(struct mlx5_core_dev *dev, u32 xrcdn, u16 uid)
171  {
172  	u32 in[MLX5_ST_SZ_DW(dealloc_xrcd_in)] = {};
173  
174  	MLX5_SET(dealloc_xrcd_in, in, opcode, MLX5_CMD_OP_DEALLOC_XRCD);
175  	MLX5_SET(dealloc_xrcd_in, in, xrcd, xrcdn);
176  	MLX5_SET(dealloc_xrcd_in, in, uid, uid);
177  	return mlx5_cmd_exec_in(dev, dealloc_xrcd, in);
178  }
179  
mlx5_cmd_mad_ifc(struct mlx5_ib_dev * dev,const void * inb,void * outb,u16 opmod,u8 port)180  int mlx5_cmd_mad_ifc(struct mlx5_ib_dev *dev, const void *inb, void *outb,
181  		     u16 opmod, u8 port)
182  {
183  	int outlen = MLX5_ST_SZ_BYTES(mad_ifc_out);
184  	int inlen = MLX5_ST_SZ_BYTES(mad_ifc_in);
185  	int err = -ENOMEM;
186  	void *data;
187  	void *resp;
188  	u32 *out;
189  	u32 *in;
190  
191  	in = kzalloc(inlen, GFP_KERNEL);
192  	out = kzalloc(outlen, GFP_KERNEL);
193  	if (!in || !out)
194  		goto out;
195  
196  	MLX5_SET(mad_ifc_in, in, opcode, MLX5_CMD_OP_MAD_IFC);
197  	MLX5_SET(mad_ifc_in, in, op_mod, opmod);
198  	if (dev->ib_dev.type == RDMA_DEVICE_TYPE_SMI) {
199  		MLX5_SET(mad_ifc_in, in, plane_index, port);
200  		MLX5_SET(mad_ifc_in, in, port,
201  			 smi_to_native_portnum(dev, port));
202  	} else {
203  		MLX5_SET(mad_ifc_in, in, port, port);
204  	}
205  
206  	data = MLX5_ADDR_OF(mad_ifc_in, in, mad);
207  	memcpy(data, inb, MLX5_FLD_SZ_BYTES(mad_ifc_in, mad));
208  
209  	err = mlx5_cmd_exec_inout(dev->mdev, mad_ifc, in, out);
210  	if (err)
211  		goto out;
212  
213  	resp = MLX5_ADDR_OF(mad_ifc_out, out, response_mad_packet);
214  	memcpy(outb, resp,
215  	       MLX5_FLD_SZ_BYTES(mad_ifc_out, response_mad_packet));
216  
217  out:
218  	kfree(out);
219  	kfree(in);
220  	return err;
221  }
222  
mlx5_cmd_uar_alloc(struct mlx5_core_dev * dev,u32 * uarn,u16 uid)223  int mlx5_cmd_uar_alloc(struct mlx5_core_dev *dev, u32 *uarn, u16 uid)
224  {
225  	u32 out[MLX5_ST_SZ_DW(alloc_uar_out)] = {};
226  	u32 in[MLX5_ST_SZ_DW(alloc_uar_in)] = {};
227  	int err;
228  
229  	MLX5_SET(alloc_uar_in, in, opcode, MLX5_CMD_OP_ALLOC_UAR);
230  	MLX5_SET(alloc_uar_in, in, uid, uid);
231  	err = mlx5_cmd_exec_inout(dev, alloc_uar, in, out);
232  	if (err)
233  		return err;
234  
235  	*uarn = MLX5_GET(alloc_uar_out, out, uar);
236  	return 0;
237  }
238  
mlx5_cmd_uar_dealloc(struct mlx5_core_dev * dev,u32 uarn,u16 uid)239  int mlx5_cmd_uar_dealloc(struct mlx5_core_dev *dev, u32 uarn, u16 uid)
240  {
241  	u32 in[MLX5_ST_SZ_DW(dealloc_uar_in)] = {};
242  
243  	MLX5_SET(dealloc_uar_in, in, opcode, MLX5_CMD_OP_DEALLOC_UAR);
244  	MLX5_SET(dealloc_uar_in, in, uar, uarn);
245  	MLX5_SET(dealloc_uar_in, in, uid, uid);
246  	return mlx5_cmd_exec_in(dev, dealloc_uar, in);
247  }
248  
mlx5_cmd_query_vuid(struct mlx5_core_dev * dev,bool data_direct,char * out_vuid)249  int mlx5_cmd_query_vuid(struct mlx5_core_dev *dev, bool data_direct,
250  			char *out_vuid)
251  {
252  	u8 out[MLX5_ST_SZ_BYTES(query_vuid_out) +
253  		MLX5_ST_SZ_BYTES(array1024_auto)] = {};
254  	u8 in[MLX5_ST_SZ_BYTES(query_vuid_in)] = {};
255  	char *vuid;
256  	int err;
257  
258  	MLX5_SET(query_vuid_in, in, opcode, MLX5_CMD_OPCODE_QUERY_VUID);
259  	MLX5_SET(query_vuid_in, in, vhca_id, MLX5_CAP_GEN(dev, vhca_id));
260  	MLX5_SET(query_vuid_in, in, data_direct, data_direct);
261  	err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
262  	if (err)
263  		return err;
264  
265  	vuid = MLX5_ADDR_OF(query_vuid_out, out, vuid);
266  	memcpy(out_vuid, vuid, MLX5_ST_SZ_BYTES(array1024_auto));
267  	return 0;
268  }
269