modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/drivers/infiniband/hw/hns/hns_roce_cq.c
..
..
@@ -32,108 +32,47 @@
32
32
 
33
33
 #include <linux/platform_device.h>
34
34
 #include <rdma/ib_umem.h>
35
+#include <rdma/uverbs_ioctl.h>
35
36
 #include "hns_roce_device.h"
36
37
 #include "hns_roce_cmd.h"
37
38
 #include "hns_roce_hem.h"
38
39
 #include <rdma/hns-abi.h>
39
40
 #include "hns_roce_common.h"
40
41
 
41
-static void hns_roce_ib_cq_comp(struct hns_roce_cq *hr_cq)
42
+static int alloc_cqc(struct hns_roce_dev *hr_dev, struct hns_roce_cq *hr_cq)
42
43
 {
43
-	struct ib_cq *ibcq = &hr_cq->ib_cq;
44
-
45
-	ibcq->comp_handler(ibcq, ibcq->cq_context);
46
-}
47
-
48
-static void hns_roce_ib_cq_event(struct hns_roce_cq *hr_cq,
49
-				 enum hns_roce_event event_type)
50
-{
51
-	struct hns_roce_dev *hr_dev;
52
-	struct ib_event event;
53
-	struct ib_cq *ibcq;
54
-
55
-	ibcq = &hr_cq->ib_cq;
56
-	hr_dev = to_hr_dev(ibcq->device);
57
-
58
-	if (event_type != HNS_ROCE_EVENT_TYPE_CQ_ID_INVALID &&
59
-	    event_type != HNS_ROCE_EVENT_TYPE_CQ_ACCESS_ERROR &&
60
-	    event_type != HNS_ROCE_EVENT_TYPE_CQ_OVERFLOW) {
61
-		dev_err(hr_dev->dev,
62
-			"hns_roce_ib: Unexpected event type 0x%x on CQ %06lx\n",
63
-			event_type, hr_cq->cqn);
64
-		return;
65
-	}
66
-
67
-	if (ibcq->event_handler) {
68
-		event.device = ibcq->device;
69
-		event.event = IB_EVENT_CQ_ERR;
70
-		event.element.cq = ibcq;
71
-		ibcq->event_handler(&event, ibcq->cq_context);
72
-	}
73
-}
74
-
75
-static int hns_roce_sw2hw_cq(struct hns_roce_dev *dev,
76
-			     struct hns_roce_cmd_mailbox *mailbox,
77
-			     unsigned long cq_num)
78
-{
79
-	return hns_roce_cmd_mbox(dev, mailbox->dma, 0, cq_num, 0,
80
-			    HNS_ROCE_CMD_SW2HW_CQ, HNS_ROCE_CMD_TIMEOUT_MSECS);
81
-}
82
-
83
-static int hns_roce_cq_alloc(struct hns_roce_dev *hr_dev, int nent,
84
-			     struct hns_roce_mtt *hr_mtt,
85
-			     struct hns_roce_uar *hr_uar,
86
-			     struct hns_roce_cq *hr_cq, int vector)
87
-{
44
+	struct ib_device *ibdev = &hr_dev->ib_dev;
88
45
 	struct hns_roce_cmd_mailbox *mailbox;
89
-	struct hns_roce_hem_table *mtt_table;
90
46
 	struct hns_roce_cq_table *cq_table;
91
-	struct device *dev = hr_dev->dev;
47
+	u64 mtts[MTT_MIN_COUNT] = { 0 };
92
48
 	dma_addr_t dma_handle;
93
-	u64 *mtts;
94
49
 	int ret;
95
50
 
51
+	ret = hns_roce_mtr_find(hr_dev, &hr_cq->mtr, 0, mtts, ARRAY_SIZE(mtts),
52
+				&dma_handle);
53
+	if (!ret) {
54
+		ibdev_err(ibdev, "failed to find CQ mtr, ret = %d.\n", ret);
55
+		return -EINVAL;
56
+	}
57
+
96
58
 	cq_table = &hr_dev->cq_table;
97
-
98
-	/* Get the physical address of cq buf */
99
-	if (hns_roce_check_whether_mhop(hr_dev, HEM_TYPE_CQE))
100
-		mtt_table = &hr_dev->mr_table.mtt_cqe_table;
101
-	else
102
-		mtt_table = &hr_dev->mr_table.mtt_table;
103
-
104
-	mtts = hns_roce_table_find(hr_dev, mtt_table,
105
-				   hr_mtt->first_seg, &dma_handle);
106
-	if (!mtts) {
107
-		dev_err(dev, "CQ alloc.Failed to find cq buf addr.\n");
108
-		return -EINVAL;
109
-	}
110
-
111
-	if (vector >= hr_dev->caps.num_comp_vectors) {
112
-		dev_err(dev, "CQ alloc.Invalid vector.\n");
113
-		return -EINVAL;
114
-	}
115
-	hr_cq->vector = vector;
116
-
117
59
 	ret = hns_roce_bitmap_alloc(&cq_table->bitmap, &hr_cq->cqn);
118
-	if (ret == -1) {
119
-		dev_err(dev, "CQ alloc.Failed to alloc index.\n");
120
-		return -ENOMEM;
60
+	if (ret) {
61
+		ibdev_err(ibdev, "failed to alloc CQ bitmap, ret = %d.\n", ret);
62
+		return ret;
121
63
 	}
122
64
 
123
65
 	/* Get CQC memory HEM(Hardware Entry Memory) table */
124
66
 	ret = hns_roce_table_get(hr_dev, &cq_table->table, hr_cq->cqn);
125
67
 	if (ret) {
126
-		dev_err(dev, "CQ alloc.Failed to get context mem.\n");
68
+		ibdev_err(ibdev, "failed to get CQ(0x%lx) context, ret = %d.\n",
69
+			  hr_cq->cqn, ret);
127
70
 		goto err_out;
128
71
 	}
129
72
 
130
-	/* The cq insert radix tree */
131
-	spin_lock_irq(&cq_table->lock);
132
-	/* Radix_tree: The associated pointer and long integer key value like */
133
-	ret = radix_tree_insert(&cq_table->tree, hr_cq->cqn, hr_cq);
134
-	spin_unlock_irq(&cq_table->lock);
73
+	ret = xa_err(xa_store(&cq_table->array, hr_cq->cqn, hr_cq, GFP_KERNEL));
135
74
 	if (ret) {
136
-		dev_err(dev, "CQ alloc.Failed to radix_tree_insert.\n");
75
+		ibdev_err(ibdev, "failed to xa_store CQ, ret = %d.\n", ret);
137
76
 		goto err_put;
138
77
 	}
139
78
 
..
..
@@ -141,33 +80,32 @@
141
80
 	mailbox = hns_roce_alloc_cmd_mailbox(hr_dev);
142
81
 	if (IS_ERR(mailbox)) {
143
82
 		ret = PTR_ERR(mailbox);
144
-		goto err_radix;
83
+		goto err_xa;
145
84
 	}
146
85
 
147
-	hr_dev->hw->write_cqc(hr_dev, hr_cq, mailbox->buf, mtts, dma_handle,
148
-			      nent, vector);
86
+	hr_dev->hw->write_cqc(hr_dev, hr_cq, mailbox->buf, mtts, dma_handle);
149
87
 
150
88
 	/* Send mailbox to hw */
151
-	ret = hns_roce_sw2hw_cq(hr_dev, mailbox, hr_cq->cqn);
89
+	ret = hns_roce_cmd_mbox(hr_dev, mailbox->dma, 0, hr_cq->cqn, 0,
90
+			HNS_ROCE_CMD_CREATE_CQC, HNS_ROCE_CMD_TIMEOUT_MSECS);
152
91
 	hns_roce_free_cmd_mailbox(hr_dev, mailbox);
153
92
 	if (ret) {
154
-		dev_err(dev, "CQ alloc.Failed to cmd mailbox.\n");
155
-		goto err_radix;
93
+		ibdev_err(ibdev,
94
+			  "failed to send create cmd for CQ(0x%lx), ret = %d.\n",
95
+			  hr_cq->cqn, ret);
96
+		goto err_xa;
156
97
 	}
157
98
 
158
99
 	hr_cq->cons_index = 0;
159
100
 	hr_cq->arm_sn = 1;
160
-	hr_cq->uar = hr_uar;
161
101
 
162
102
 	atomic_set(&hr_cq->refcount, 1);
163
103
 	init_completion(&hr_cq->free);
164
104
 
165
105
 	return 0;
166
106
 
167
-err_radix:
168
-	spin_lock_irq(&cq_table->lock);
169
-	radix_tree_delete(&cq_table->tree, hr_cq->cqn);
170
-	spin_unlock_irq(&cq_table->lock);
107
+err_xa:
108
+	xa_erase(&cq_table->array, hr_cq->cqn);
171
109
 
172
110
 err_put:
173
111
 	hns_roce_table_put(hr_dev, &cq_table->table, hr_cq->cqn);
..
..
@@ -177,25 +115,20 @@
177
115
 	return ret;
178
116
 }
179
117
 
180
-static int hns_roce_hw2sw_cq(struct hns_roce_dev *dev,
181
-			     struct hns_roce_cmd_mailbox *mailbox,
182
-			     unsigned long cq_num)
183
-{
184
-	return hns_roce_cmd_mbox(dev, 0, mailbox ? mailbox->dma : 0, cq_num,
185
-				 mailbox ? 0 : 1, HNS_ROCE_CMD_HW2SW_CQ,
186
-				 HNS_ROCE_CMD_TIMEOUT_MSECS);
187
-}
188
-
189
-void hns_roce_free_cq(struct hns_roce_dev *hr_dev, struct hns_roce_cq *hr_cq)
118
+static void free_cqc(struct hns_roce_dev *hr_dev, struct hns_roce_cq *hr_cq)
190
119
 {
191
120
 	struct hns_roce_cq_table *cq_table = &hr_dev->cq_table;
192
121
 	struct device *dev = hr_dev->dev;
193
122
 	int ret;
194
123
 
195
-	ret = hns_roce_hw2sw_cq(hr_dev, NULL, hr_cq->cqn);
124
+	ret = hns_roce_cmd_mbox(hr_dev, 0, 0, hr_cq->cqn, 1,
125
+				HNS_ROCE_CMD_DESTROY_CQC,
126
+				HNS_ROCE_CMD_TIMEOUT_MSECS);
196
127
 	if (ret)
197
-		dev_err(dev, "HW2SW_CQ failed (%d) for CQN %06lx\n", ret,
128
+		dev_err(dev, "DESTROY_CQ failed (%d) for CQN %06lx\n", ret,
198
129
 			hr_cq->cqn);
130
+
131
+	xa_erase(&cq_table->array, hr_cq->cqn);
199
132
 
200
133
 	/* Waiting interrupt process procedure carried out */
201
134
 	synchronize_irq(hr_dev->eq_table.eq[hr_cq->vector].irq);
..
..
@@ -205,332 +138,273 @@
205
138
 		complete(&hr_cq->free);
206
139
 	wait_for_completion(&hr_cq->free);
207
140
 
208
-	spin_lock_irq(&cq_table->lock);
209
-	radix_tree_delete(&cq_table->tree, hr_cq->cqn);
210
-	spin_unlock_irq(&cq_table->lock);
211
-
212
141
 	hns_roce_table_put(hr_dev, &cq_table->table, hr_cq->cqn);
213
142
 	hns_roce_bitmap_free(&cq_table->bitmap, hr_cq->cqn, BITMAP_NO_RR);
214
143
 }
215
-EXPORT_SYMBOL_GPL(hns_roce_free_cq);
216
144
 
217
-static int hns_roce_ib_get_cq_umem(struct hns_roce_dev *hr_dev,
218
-				   struct ib_ucontext *context,
219
-				   struct hns_roce_cq_buf *buf,
220
-				   struct ib_umem **umem, u64 buf_addr, int cqe)
145
+static int alloc_cq_buf(struct hns_roce_dev *hr_dev, struct hns_roce_cq *hr_cq,
146
+			struct ib_udata *udata, unsigned long addr)
221
147
 {
148
+	struct ib_device *ibdev = &hr_dev->ib_dev;
149
+	struct hns_roce_buf_attr buf_attr = {};
222
150
 	int ret;
223
-	u32 page_shift;
224
-	u32 npages;
225
151
 
226
-	*umem = ib_umem_get(context, buf_addr, cqe * hr_dev->caps.cq_entry_sz,
227
-			    IB_ACCESS_LOCAL_WRITE, 1);
228
-	if (IS_ERR(*umem))
229
-		return PTR_ERR(*umem);
152
+	buf_attr.page_shift = hr_dev->caps.cqe_buf_pg_sz + HNS_HW_PAGE_SHIFT;
153
+	buf_attr.region[0].size = hr_cq->cq_depth * hr_cq->cqe_size;
154
+	buf_attr.region[0].hopnum = hr_dev->caps.cqe_hop_num;
155
+	buf_attr.region_count = 1;
156
+	buf_attr.fixed_page = true;
230
157
 
231
-	if (hns_roce_check_whether_mhop(hr_dev, HEM_TYPE_CQE))
232
-		buf->hr_mtt.mtt_type = MTT_TYPE_CQE;
233
-	else
234
-		buf->hr_mtt.mtt_type = MTT_TYPE_WQE;
158
+	ret = hns_roce_mtr_create(hr_dev, &hr_cq->mtr, &buf_attr,
159
+				  hr_dev->caps.cqe_ba_pg_sz + HNS_HW_PAGE_SHIFT,
160
+				  udata, addr);
161
+	if (ret)
162
+		ibdev_err(ibdev, "failed to alloc CQ mtr, ret = %d.\n", ret);
235
163
 
236
-	if (hr_dev->caps.cqe_buf_pg_sz) {
237
-		npages = (ib_umem_page_count(*umem) +
238
-			(1 << hr_dev->caps.cqe_buf_pg_sz) - 1) /
239
-			(1 << hr_dev->caps.cqe_buf_pg_sz);
240
-		page_shift = PAGE_SHIFT + hr_dev->caps.cqe_buf_pg_sz;
241
-		ret = hns_roce_mtt_init(hr_dev, npages, page_shift,
242
-					&buf->hr_mtt);
164
+	return ret;
165
+}
166
+
167
+static void free_cq_buf(struct hns_roce_dev *hr_dev, struct hns_roce_cq *hr_cq)
168
+{
169
+	hns_roce_mtr_destroy(hr_dev, &hr_cq->mtr);
170
+}
171
+
172
+static int alloc_cq_db(struct hns_roce_dev *hr_dev, struct hns_roce_cq *hr_cq,
173
+		       struct ib_udata *udata, unsigned long addr,
174
+		       struct hns_roce_ib_create_cq_resp *resp)
175
+{
176
+	bool has_db = hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RECORD_DB;
177
+	struct hns_roce_ucontext *uctx;
178
+	int err;
179
+
180
+	if (udata) {
181
+		if (has_db &&
182
+		    udata->outlen >= offsetofend(typeof(*resp), cap_flags)) {
183
+			uctx = rdma_udata_to_drv_context(udata,
184
+					struct hns_roce_ucontext, ibucontext);
185
+			err = hns_roce_db_map_user(uctx, udata, addr,
186
+						   &hr_cq->db);
187
+			if (err)
188
+				return err;
189
+			hr_cq->flags |= HNS_ROCE_CQ_FLAG_RECORD_DB;
190
+			resp->cap_flags |= HNS_ROCE_CQ_FLAG_RECORD_DB;
191
+		}
243
192
 	} else {
244
-		ret = hns_roce_mtt_init(hr_dev, ib_umem_page_count(*umem),
245
-				(*umem)->page_shift,
246
-				&buf->hr_mtt);
193
+		if (has_db) {
194
+			err = hns_roce_alloc_db(hr_dev, &hr_cq->db, 1);
195
+			if (err)
196
+				return err;
197
+			hr_cq->set_ci_db = hr_cq->db.db_record;
198
+			*hr_cq->set_ci_db = 0;
199
+			hr_cq->flags |= HNS_ROCE_CQ_FLAG_RECORD_DB;
200
+		}
201
+		hr_cq->cq_db_l = hr_dev->reg_base + hr_dev->odb_offset +
202
+				 DB_REG_OFFSET * hr_dev->priv_uar.index;
247
203
 	}
248
-	if (ret)
249
-		goto err_buf;
250
-
251
-	ret = hns_roce_ib_umem_write_mtt(hr_dev, &buf->hr_mtt, *umem);
252
-	if (ret)
253
-		goto err_mtt;
254
204
 
255
205
 	return 0;
256
-
257
-err_mtt:
258
-	hns_roce_mtt_cleanup(hr_dev, &buf->hr_mtt);
259
-
260
-err_buf:
261
-	ib_umem_release(*umem);
262
-	return ret;
263
206
 }
264
207
 
265
-static int hns_roce_ib_alloc_cq_buf(struct hns_roce_dev *hr_dev,
266
-				    struct hns_roce_cq_buf *buf, u32 nent)
208
+static void free_cq_db(struct hns_roce_dev *hr_dev, struct hns_roce_cq *hr_cq,
209
+		       struct ib_udata *udata)
267
210
 {
268
-	int ret;
269
-	u32 page_shift = PAGE_SHIFT + hr_dev->caps.cqe_buf_pg_sz;
211
+	struct hns_roce_ucontext *uctx;
270
212
 
271
-	ret = hns_roce_buf_alloc(hr_dev, nent * hr_dev->caps.cq_entry_sz,
272
-				 (1 << page_shift) * 2, &buf->hr_buf,
273
-				 page_shift);
274
-	if (ret)
275
-		goto out;
213
+	if (!(hr_cq->flags & HNS_ROCE_CQ_FLAG_RECORD_DB))
214
+		return;
276
215
 
277
-	if (hns_roce_check_whether_mhop(hr_dev, HEM_TYPE_CQE))
278
-		buf->hr_mtt.mtt_type = MTT_TYPE_CQE;
279
-	else
280
-		buf->hr_mtt.mtt_type = MTT_TYPE_WQE;
281
-
282
-	ret = hns_roce_mtt_init(hr_dev, buf->hr_buf.npages,
283
-				buf->hr_buf.page_shift, &buf->hr_mtt);
284
-	if (ret)
285
-		goto err_buf;
286
-
287
-	ret = hns_roce_buf_write_mtt(hr_dev, &buf->hr_mtt, &buf->hr_buf);
288
-	if (ret)
289
-		goto err_mtt;
290
-
291
-	return 0;
292
-
293
-err_mtt:
294
-	hns_roce_mtt_cleanup(hr_dev, &buf->hr_mtt);
295
-
296
-err_buf:
297
-	hns_roce_buf_free(hr_dev, nent * hr_dev->caps.cq_entry_sz,
298
-			  &buf->hr_buf);
299
-out:
300
-	return ret;
216
+	hr_cq->flags &= ~HNS_ROCE_CQ_FLAG_RECORD_DB;
217
+	if (udata) {
218
+		uctx = rdma_udata_to_drv_context(udata,
219
+						 struct hns_roce_ucontext,
220
+						 ibucontext);
221
+		hns_roce_db_unmap_user(uctx, &hr_cq->db);
222
+	} else {
223
+		hns_roce_free_db(hr_dev, &hr_cq->db);
224
+	}
301
225
 }
302
226
 
303
-static void hns_roce_ib_free_cq_buf(struct hns_roce_dev *hr_dev,
304
-				    struct hns_roce_cq_buf *buf, int cqe)
227
+static void set_cqe_size(struct hns_roce_cq *hr_cq, struct ib_udata *udata,
228
+			 struct hns_roce_ib_create_cq *ucmd)
305
229
 {
306
-	hns_roce_buf_free(hr_dev, (cqe + 1) * hr_dev->caps.cq_entry_sz,
307
-			  &buf->hr_buf);
230
+	struct hns_roce_dev *hr_dev = to_hr_dev(hr_cq->ib_cq.device);
231
+
232
+	if (udata) {
233
+		if (udata->inlen >= offsetofend(typeof(*ucmd), cqe_size))
234
+			hr_cq->cqe_size = ucmd->cqe_size;
235
+		else
236
+			hr_cq->cqe_size = HNS_ROCE_V2_CQE_SIZE;
237
+	} else {
238
+		hr_cq->cqe_size = hr_dev->caps.cqe_sz;
239
+	}
308
240
 }
309
241
 
310
-struct ib_cq *hns_roce_ib_create_cq(struct ib_device *ib_dev,
311
-				    const struct ib_cq_init_attr *attr,
312
-				    struct ib_ucontext *context,
313
-				    struct ib_udata *udata)
242
+int hns_roce_create_cq(struct ib_cq *ib_cq, const struct ib_cq_init_attr *attr,
243
+		       struct ib_udata *udata)
314
244
 {
315
-	struct hns_roce_dev *hr_dev = to_hr_dev(ib_dev);
316
-	struct device *dev = hr_dev->dev;
317
-	struct hns_roce_ib_create_cq ucmd;
245
+	struct hns_roce_dev *hr_dev = to_hr_dev(ib_cq->device);
318
246
 	struct hns_roce_ib_create_cq_resp resp = {};
319
-	struct hns_roce_cq *hr_cq = NULL;
320
-	struct hns_roce_uar *uar = NULL;
247
+	struct hns_roce_cq *hr_cq = to_hr_cq(ib_cq);
248
+	struct ib_device *ibdev = &hr_dev->ib_dev;
249
+	struct hns_roce_ib_create_cq ucmd = {};
321
250
 	int vector = attr->comp_vector;
322
-	int cq_entries = attr->cqe;
251
+	u32 cq_entries = attr->cqe;
323
252
 	int ret;
324
253
 
325
254
 	if (cq_entries < 1 || cq_entries > hr_dev->caps.max_cqes) {
326
-		dev_err(dev, "Creat CQ failed. entries=%d, max=%d\n",
327
-			cq_entries, hr_dev->caps.max_cqes);
328
-		return ERR_PTR(-EINVAL);
255
+		ibdev_err(ibdev, "failed to check CQ count %u, max = %u.\n",
256
+			  cq_entries, hr_dev->caps.max_cqes);
257
+		return -EINVAL;
329
258
 	}
330
259
 
331
-	hr_cq = kzalloc(sizeof(*hr_cq), GFP_KERNEL);
332
-	if (!hr_cq)
333
-		return ERR_PTR(-ENOMEM);
260
+	if (vector >= hr_dev->caps.num_comp_vectors) {
261
+		ibdev_err(ibdev, "failed to check CQ vector = %d, max = %d.\n",
262
+			  vector, hr_dev->caps.num_comp_vectors);
263
+		return -EINVAL;
264
+	}
334
265
 
335
-	if (hr_dev->caps.min_cqes)
336
-		cq_entries = max(cq_entries, hr_dev->caps.min_cqes);
337
-
338
-	cq_entries = roundup_pow_of_two((unsigned int)cq_entries);
339
-	hr_cq->ib_cq.cqe = cq_entries - 1;
266
+	cq_entries = max(cq_entries, hr_dev->caps.min_cqes);
267
+	cq_entries = roundup_pow_of_two(cq_entries);
268
+	hr_cq->ib_cq.cqe = cq_entries - 1; /* used as cqe index */
269
+	hr_cq->cq_depth = cq_entries;
270
+	hr_cq->vector = vector;
340
271
 	spin_lock_init(&hr_cq->lock);
272
+	INIT_LIST_HEAD(&hr_cq->sq_list);
273
+	INIT_LIST_HEAD(&hr_cq->rq_list);
341
274
 
342
-	if (context) {
343
-		if (ib_copy_from_udata(&ucmd, udata, sizeof(ucmd))) {
344
-			dev_err(dev, "Failed to copy_from_udata.\n");
345
-			ret = -EFAULT;
346
-			goto err_cq;
347
-		}
348
-
349
-		/* Get user space address, write it into mtt table */
350
-		ret = hns_roce_ib_get_cq_umem(hr_dev, context, &hr_cq->hr_buf,
351
-					      &hr_cq->umem, ucmd.buf_addr,
352
-					      cq_entries);
275
+	if (udata) {
276
+		ret = ib_copy_from_udata(&ucmd, udata,
277
+					 min(udata->inlen, sizeof(ucmd)));
353
278
 		if (ret) {
354
-			dev_err(dev, "Failed to get_cq_umem.\n");
355
-			goto err_cq;
279
+			ibdev_err(ibdev, "failed to copy CQ udata, ret = %d.\n",
280
+				  ret);
281
+			return ret;
356
282
 		}
357
-
358
-		if ((hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RECORD_DB) &&
359
-		    (udata->outlen >= sizeof(resp))) {
360
-			ret = hns_roce_db_map_user(to_hr_ucontext(context),
361
-						   ucmd.db_addr, &hr_cq->db);
362
-			if (ret) {
363
-				dev_err(dev, "cq record doorbell map failed!\n");
364
-				goto err_mtt;
365
-			}
366
-			hr_cq->db_en = 1;
367
-			resp.cap_flags |= HNS_ROCE_SUPPORT_CQ_RECORD_DB;
368
-		}
369
-
370
-		/* Get user space parameters */
371
-		uar = &to_hr_ucontext(context)->uar;
372
-	} else {
373
-		if (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RECORD_DB) {
374
-			ret = hns_roce_alloc_db(hr_dev, &hr_cq->db, 1);
375
-			if (ret)
376
-				goto err_cq;
377
-
378
-			hr_cq->set_ci_db = hr_cq->db.db_record;
379
-			*hr_cq->set_ci_db = 0;
380
-			hr_cq->db_en = 1;
381
-		}
382
-
383
-		/* Init mmt table and write buff address to mtt table */
384
-		ret = hns_roce_ib_alloc_cq_buf(hr_dev, &hr_cq->hr_buf,
385
-					       cq_entries);
386
-		if (ret) {
387
-			dev_err(dev, "Failed to alloc_cq_buf.\n");
388
-			goto err_db;
389
-		}
390
-
391
-		uar = &hr_dev->priv_uar;
392
-		hr_cq->cq_db_l = hr_dev->reg_base + hr_dev->odb_offset +
393
-				DB_REG_OFFSET * uar->index;
394
283
 	}
395
284
 
396
-	/* Allocate cq index, fill cq_context */
397
-	ret = hns_roce_cq_alloc(hr_dev, cq_entries, &hr_cq->hr_buf.hr_mtt, uar,
398
-				hr_cq, vector);
285
+	set_cqe_size(hr_cq, udata, &ucmd);
286
+
287
+	ret = alloc_cq_buf(hr_dev, hr_cq, udata, ucmd.buf_addr);
399
288
 	if (ret) {
400
-		dev_err(dev, "Creat CQ .Failed to cq_alloc.\n");
401
-		goto err_dbmap;
289
+		ibdev_err(ibdev, "failed to alloc CQ buf, ret = %d.\n", ret);
290
+		return ret;
291
+	}
292
+
293
+	ret = alloc_cq_db(hr_dev, hr_cq, udata, ucmd.db_addr, &resp);
294
+	if (ret) {
295
+		ibdev_err(ibdev, "failed to alloc CQ db, ret = %d.\n", ret);
296
+		goto err_cq_buf;
297
+	}
298
+
299
+	ret = alloc_cqc(hr_dev, hr_cq);
300
+	if (ret) {
301
+		ibdev_err(ibdev,
302
+			  "failed to alloc CQ context, ret = %d.\n", ret);
303
+		goto err_cq_db;
402
304
 	}
403
305
 
404
306
 	/*
405
307
 	 * For the QP created by kernel space, tptr value should be initialized
406
308
 	 * to zero; For the QP created by user space, it will cause synchronous
407
-	 * problems if tptr is set to zero here, so we initialze it in user
309
+	 * problems if tptr is set to zero here, so we initialize it in user
408
310
 	 * space.
409
311
 	 */
410
-	if (!context && hr_cq->tptr_addr)
312
+	if (!udata && hr_cq->tptr_addr)
411
313
 		*hr_cq->tptr_addr = 0;
412
314
 
413
-	/* Get created cq handler and carry out event */
414
-	hr_cq->comp = hns_roce_ib_cq_comp;
415
-	hr_cq->event = hns_roce_ib_cq_event;
416
-	hr_cq->cq_depth = cq_entries;
417
-
418
-	if (context) {
315
+	if (udata) {
419
316
 		resp.cqn = hr_cq->cqn;
420
-		ret = ib_copy_to_udata(udata, &resp, sizeof(resp));
317
+		ret = ib_copy_to_udata(udata, &resp,
318
+				       min(udata->outlen, sizeof(resp)));
421
319
 		if (ret)
422
320
 			goto err_cqc;
423
321
 	}
424
322
 
425
-	return &hr_cq->ib_cq;
323
+	return 0;
426
324
 
427
325
 err_cqc:
428
-	hns_roce_free_cq(hr_dev, hr_cq);
429
-
430
-err_dbmap:
431
-	if (context && (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RECORD_DB) &&
432
-	    (udata->outlen >= sizeof(resp)))
433
-		hns_roce_db_unmap_user(to_hr_ucontext(context),
434
-				       &hr_cq->db);
435
-
436
-err_mtt:
437
-	hns_roce_mtt_cleanup(hr_dev, &hr_cq->hr_buf.hr_mtt);
438
-	if (context)
439
-		ib_umem_release(hr_cq->umem);
440
-	else
441
-		hns_roce_ib_free_cq_buf(hr_dev, &hr_cq->hr_buf,
442
-					hr_cq->ib_cq.cqe);
443
-
444
-err_db:
445
-	if (!context && (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RECORD_DB))
446
-		hns_roce_free_db(hr_dev, &hr_cq->db);
447
-
448
-err_cq:
449
-	kfree(hr_cq);
450
-	return ERR_PTR(ret);
326
+	free_cqc(hr_dev, hr_cq);
327
+err_cq_db:
328
+	free_cq_db(hr_dev, hr_cq, udata);
329
+err_cq_buf:
330
+	free_cq_buf(hr_dev, hr_cq);
331
+	return ret;
451
332
 }
452
-EXPORT_SYMBOL_GPL(hns_roce_ib_create_cq);
453
333
 
454
-int hns_roce_ib_destroy_cq(struct ib_cq *ib_cq)
334
+int hns_roce_destroy_cq(struct ib_cq *ib_cq, struct ib_udata *udata)
455
335
 {
456
336
 	struct hns_roce_dev *hr_dev = to_hr_dev(ib_cq->device);
457
337
 	struct hns_roce_cq *hr_cq = to_hr_cq(ib_cq);
458
-	int ret = 0;
459
338
 
460
-	if (hr_dev->hw->destroy_cq) {
461
-		ret = hr_dev->hw->destroy_cq(ib_cq);
462
-	} else {
463
-		hns_roce_free_cq(hr_dev, hr_cq);
464
-		hns_roce_mtt_cleanup(hr_dev, &hr_cq->hr_buf.hr_mtt);
339
+	if (hr_dev->hw->destroy_cq)
340
+		hr_dev->hw->destroy_cq(ib_cq, udata);
465
341
 
466
-		if (ib_cq->uobject) {
467
-			ib_umem_release(hr_cq->umem);
468
-
469
-			if (hr_cq->db_en == 1)
470
-				hns_roce_db_unmap_user(
471
-					to_hr_ucontext(ib_cq->uobject->context),
472
-					&hr_cq->db);
473
-		} else {
474
-			/* Free the buff of stored cq */
475
-			hns_roce_ib_free_cq_buf(hr_dev, &hr_cq->hr_buf,
476
-						ib_cq->cqe);
477
-			if (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RECORD_DB)
478
-				hns_roce_free_db(hr_dev, &hr_cq->db);
479
-		}
480
-
481
-		kfree(hr_cq);
482
-	}
483
-
484
-	return ret;
342
+	free_cq_buf(hr_dev, hr_cq);
343
+	free_cq_db(hr_dev, hr_cq, udata);
344
+	free_cqc(hr_dev, hr_cq);
345
+	return 0;
485
346
 }
486
-EXPORT_SYMBOL_GPL(hns_roce_ib_destroy_cq);
487
347
 
488
348
 void hns_roce_cq_completion(struct hns_roce_dev *hr_dev, u32 cqn)
489
349
 {
490
-	struct device *dev = hr_dev->dev;
491
-	struct hns_roce_cq *cq;
350
+	struct hns_roce_cq *hr_cq;
351
+	struct ib_cq *ibcq;
492
352
 
493
-	cq = radix_tree_lookup(&hr_dev->cq_table.tree,
494
-			       cqn & (hr_dev->caps.num_cqs - 1));
495
-	if (!cq) {
496
-		dev_warn(dev, "Completion event for bogus CQ 0x%08x\n", cqn);
353
+	hr_cq = xa_load(&hr_dev->cq_table.array,
354
+			cqn & (hr_dev->caps.num_cqs - 1));
355
+	if (!hr_cq) {
356
+		dev_warn(hr_dev->dev, "Completion event for bogus CQ 0x%06x\n",
357
+			 cqn);
497
358
 		return;
498
359
 	}
499
360
 
500
-	++cq->arm_sn;
501
-	cq->comp(cq);
361
+	++hr_cq->arm_sn;
362
+	ibcq = &hr_cq->ib_cq;
363
+	if (ibcq->comp_handler)
364
+		ibcq->comp_handler(ibcq, ibcq->cq_context);
502
365
 }
503
-EXPORT_SYMBOL_GPL(hns_roce_cq_completion);
504
366
 
505
367
 void hns_roce_cq_event(struct hns_roce_dev *hr_dev, u32 cqn, int event_type)
506
368
 {
507
-	struct hns_roce_cq_table *cq_table = &hr_dev->cq_table;
508
369
 	struct device *dev = hr_dev->dev;
509
-	struct hns_roce_cq *cq;
370
+	struct hns_roce_cq *hr_cq;
371
+	struct ib_event event;
372
+	struct ib_cq *ibcq;
510
373
 
511
-	cq = radix_tree_lookup(&cq_table->tree,
512
-			       cqn & (hr_dev->caps.num_cqs - 1));
513
-	if (cq)
514
-		atomic_inc(&cq->refcount);
515
-
516
-	if (!cq) {
517
-		dev_warn(dev, "Async event for bogus CQ %08x\n", cqn);
374
+	hr_cq = xa_load(&hr_dev->cq_table.array,
375
+			cqn & (hr_dev->caps.num_cqs - 1));
376
+	if (!hr_cq) {
377
+		dev_warn(dev, "Async event for bogus CQ 0x%06x\n", cqn);
518
378
 		return;
519
379
 	}
520
380
 
521
-	cq->event(cq, (enum hns_roce_event)event_type);
381
+	if (event_type != HNS_ROCE_EVENT_TYPE_CQ_ID_INVALID &&
382
+	    event_type != HNS_ROCE_EVENT_TYPE_CQ_ACCESS_ERROR &&
383
+	    event_type != HNS_ROCE_EVENT_TYPE_CQ_OVERFLOW) {
384
+		dev_err(dev, "Unexpected event type 0x%x on CQ 0x%06x\n",
385
+			event_type, cqn);
386
+		return;
387
+	}
522
388
 
523
-	if (atomic_dec_and_test(&cq->refcount))
524
-		complete(&cq->free);
389
+	atomic_inc(&hr_cq->refcount);
390
+
391
+	ibcq = &hr_cq->ib_cq;
392
+	if (ibcq->event_handler) {
393
+		event.device = ibcq->device;
394
+		event.element.cq = ibcq;
395
+		event.event = IB_EVENT_CQ_ERR;
396
+		ibcq->event_handler(&event, ibcq->cq_context);
397
+	}
398
+
399
+	if (atomic_dec_and_test(&hr_cq->refcount))
400
+		complete(&hr_cq->free);
525
401
 }
526
-EXPORT_SYMBOL_GPL(hns_roce_cq_event);
527
402
 
528
403
 int hns_roce_init_cq_table(struct hns_roce_dev *hr_dev)
529
404
 {
530
405
 	struct hns_roce_cq_table *cq_table = &hr_dev->cq_table;
531
406
 
532
-	spin_lock_init(&cq_table->lock);
533
-	INIT_RADIX_TREE(&cq_table->tree, GFP_ATOMIC);
407
+	xa_init(&cq_table->array);
534
408
 
535
409
 	return hns_roce_bitmap_init(&cq_table->bitmap, hr_dev->caps.num_cqs,
536
410
 				    hr_dev->caps.num_cqs - 1,