1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2015-2018 Intel Corporation
3 */
4
5 #include <rte_bus_pci.h>
6 #include <rte_common.h>
7 #include <rte_dev.h>
8 #include <rte_malloc.h>
9 #include <rte_pci.h>
10 #include <rte_cryptodev_pmd.h>
11 #ifdef RTE_LIB_SECURITY
12 #include <rte_security_driver.h>
13 #endif
14
15 #include "qat_logs.h"
16 #include "qat_sym.h"
17 #include "qat_sym_session.h"
18 #include "qat_sym_pmd.h"
19
20 #define MIXED_CRYPTO_MIN_FW_VER 0x04090000
21
22 uint8_t qat_sym_driver_id;
23
24 static const struct rte_cryptodev_capabilities qat_gen1_sym_capabilities[] = {
25 QAT_BASE_GEN1_SYM_CAPABILITIES,
26 RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
27 };
28
29 static const struct rte_cryptodev_capabilities qat_gen2_sym_capabilities[] = {
30 QAT_BASE_GEN1_SYM_CAPABILITIES,
31 QAT_EXTRA_GEN2_SYM_CAPABILITIES,
32 RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
33 };
34
35 static const struct rte_cryptodev_capabilities qat_gen3_sym_capabilities[] = {
36 QAT_BASE_GEN1_SYM_CAPABILITIES,
37 QAT_EXTRA_GEN2_SYM_CAPABILITIES,
38 QAT_EXTRA_GEN3_SYM_CAPABILITIES,
39 RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
40 };
41
42 #ifdef RTE_LIB_SECURITY
43 static const struct rte_cryptodev_capabilities
44 qat_security_sym_capabilities[] = {
45 QAT_SECURITY_SYM_CAPABILITIES,
46 RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
47 };
48
49 static const struct rte_security_capability qat_security_capabilities[] = {
50 QAT_SECURITY_CAPABILITIES(qat_security_sym_capabilities),
51 {
52 .action = RTE_SECURITY_ACTION_TYPE_NONE
53 }
54 };
55 #endif
56
57 static int qat_sym_qp_release(struct rte_cryptodev *dev,
58 uint16_t queue_pair_id);
59
qat_sym_dev_config(__rte_unused struct rte_cryptodev * dev,__rte_unused struct rte_cryptodev_config * config)60 static int qat_sym_dev_config(__rte_unused struct rte_cryptodev *dev,
61 __rte_unused struct rte_cryptodev_config *config)
62 {
63 return 0;
64 }
65
qat_sym_dev_start(__rte_unused struct rte_cryptodev * dev)66 static int qat_sym_dev_start(__rte_unused struct rte_cryptodev *dev)
67 {
68 return 0;
69 }
70
qat_sym_dev_stop(__rte_unused struct rte_cryptodev * dev)71 static void qat_sym_dev_stop(__rte_unused struct rte_cryptodev *dev)
72 {
73 return;
74 }
75
qat_sym_dev_close(struct rte_cryptodev * dev)76 static int qat_sym_dev_close(struct rte_cryptodev *dev)
77 {
78 int i, ret;
79
80 for (i = 0; i < dev->data->nb_queue_pairs; i++) {
81 ret = qat_sym_qp_release(dev, i);
82 if (ret < 0)
83 return ret;
84 }
85
86 return 0;
87 }
88
qat_sym_dev_info_get(struct rte_cryptodev * dev,struct rte_cryptodev_info * info)89 static void qat_sym_dev_info_get(struct rte_cryptodev *dev,
90 struct rte_cryptodev_info *info)
91 {
92 struct qat_sym_dev_private *internals = dev->data->dev_private;
93 const struct qat_qp_hw_data *sym_hw_qps =
94 qat_gen_config[internals->qat_dev->qat_dev_gen]
95 .qp_hw_data[QAT_SERVICE_SYMMETRIC];
96
97 if (info != NULL) {
98 info->max_nb_queue_pairs =
99 qat_qps_per_service(sym_hw_qps, QAT_SERVICE_SYMMETRIC);
100 info->feature_flags = dev->feature_flags;
101 info->capabilities = internals->qat_dev_capabilities;
102 info->driver_id = qat_sym_driver_id;
103 /* No limit of number of sessions */
104 info->sym.max_nb_sessions = 0;
105 }
106 }
107
qat_sym_stats_get(struct rte_cryptodev * dev,struct rte_cryptodev_stats * stats)108 static void qat_sym_stats_get(struct rte_cryptodev *dev,
109 struct rte_cryptodev_stats *stats)
110 {
111 struct qat_common_stats qat_stats = {0};
112 struct qat_sym_dev_private *qat_priv;
113
114 if (stats == NULL || dev == NULL) {
115 QAT_LOG(ERR, "invalid ptr: stats %p, dev %p", stats, dev);
116 return;
117 }
118 qat_priv = dev->data->dev_private;
119
120 qat_stats_get(qat_priv->qat_dev, &qat_stats, QAT_SERVICE_SYMMETRIC);
121 stats->enqueued_count = qat_stats.enqueued_count;
122 stats->dequeued_count = qat_stats.dequeued_count;
123 stats->enqueue_err_count = qat_stats.enqueue_err_count;
124 stats->dequeue_err_count = qat_stats.dequeue_err_count;
125 }
126
qat_sym_stats_reset(struct rte_cryptodev * dev)127 static void qat_sym_stats_reset(struct rte_cryptodev *dev)
128 {
129 struct qat_sym_dev_private *qat_priv;
130
131 if (dev == NULL) {
132 QAT_LOG(ERR, "invalid cryptodev ptr %p", dev);
133 return;
134 }
135 qat_priv = dev->data->dev_private;
136
137 qat_stats_reset(qat_priv->qat_dev, QAT_SERVICE_SYMMETRIC);
138
139 }
140
qat_sym_qp_release(struct rte_cryptodev * dev,uint16_t queue_pair_id)141 static int qat_sym_qp_release(struct rte_cryptodev *dev, uint16_t queue_pair_id)
142 {
143 struct qat_sym_dev_private *qat_private = dev->data->dev_private;
144
145 QAT_LOG(DEBUG, "Release sym qp %u on device %d",
146 queue_pair_id, dev->data->dev_id);
147
148 qat_private->qat_dev->qps_in_use[QAT_SERVICE_SYMMETRIC][queue_pair_id]
149 = NULL;
150
151 return qat_qp_release((struct qat_qp **)
152 &(dev->data->queue_pairs[queue_pair_id]));
153 }
154
qat_sym_qp_setup(struct rte_cryptodev * dev,uint16_t qp_id,const struct rte_cryptodev_qp_conf * qp_conf,int socket_id)155 static int qat_sym_qp_setup(struct rte_cryptodev *dev, uint16_t qp_id,
156 const struct rte_cryptodev_qp_conf *qp_conf,
157 int socket_id)
158 {
159 struct qat_qp *qp;
160 int ret = 0;
161 uint32_t i;
162 struct qat_qp_config qat_qp_conf;
163
164 struct qat_qp **qp_addr =
165 (struct qat_qp **)&(dev->data->queue_pairs[qp_id]);
166 struct qat_sym_dev_private *qat_private = dev->data->dev_private;
167 const struct qat_qp_hw_data *sym_hw_qps =
168 qat_gen_config[qat_private->qat_dev->qat_dev_gen]
169 .qp_hw_data[QAT_SERVICE_SYMMETRIC];
170 const struct qat_qp_hw_data *qp_hw_data = sym_hw_qps + qp_id;
171
172 /* If qp is already in use free ring memory and qp metadata. */
173 if (*qp_addr != NULL) {
174 ret = qat_sym_qp_release(dev, qp_id);
175 if (ret < 0)
176 return ret;
177 }
178 if (qp_id >= qat_qps_per_service(sym_hw_qps, QAT_SERVICE_SYMMETRIC)) {
179 QAT_LOG(ERR, "qp_id %u invalid for this device", qp_id);
180 return -EINVAL;
181 }
182
183 qat_qp_conf.hw = qp_hw_data;
184 qat_qp_conf.cookie_size = sizeof(struct qat_sym_op_cookie);
185 qat_qp_conf.nb_descriptors = qp_conf->nb_descriptors;
186 qat_qp_conf.socket_id = socket_id;
187 qat_qp_conf.service_str = "sym";
188
189 ret = qat_qp_setup(qat_private->qat_dev, qp_addr, qp_id, &qat_qp_conf);
190 if (ret != 0)
191 return ret;
192
193 /* store a link to the qp in the qat_pci_device */
194 qat_private->qat_dev->qps_in_use[QAT_SERVICE_SYMMETRIC][qp_id]
195 = *qp_addr;
196
197 qp = (struct qat_qp *)*qp_addr;
198 qp->min_enq_burst_threshold = qat_private->min_enq_burst_threshold;
199
200 for (i = 0; i < qp->nb_descriptors; i++) {
201
202 struct qat_sym_op_cookie *cookie =
203 qp->op_cookies[i];
204
205 cookie->qat_sgl_src_phys_addr =
206 rte_mempool_virt2iova(cookie) +
207 offsetof(struct qat_sym_op_cookie,
208 qat_sgl_src);
209
210 cookie->qat_sgl_dst_phys_addr =
211 rte_mempool_virt2iova(cookie) +
212 offsetof(struct qat_sym_op_cookie,
213 qat_sgl_dst);
214 }
215
216 /* Get fw version from QAT (GEN2), skip if we've got it already */
217 if (qp->qat_dev_gen == QAT_GEN2 && !(qat_private->internal_capabilities
218 & QAT_SYM_CAP_VALID)) {
219 ret = qat_cq_get_fw_version(qp);
220
221 if (ret < 0) {
222 qat_sym_qp_release(dev, qp_id);
223 return ret;
224 }
225
226 if (ret != 0)
227 QAT_LOG(DEBUG, "QAT firmware version: %d.%d.%d",
228 (ret >> 24) & 0xff,
229 (ret >> 16) & 0xff,
230 (ret >> 8) & 0xff);
231 else
232 QAT_LOG(DEBUG, "unknown QAT firmware version");
233
234 /* set capabilities based on the fw version */
235 qat_private->internal_capabilities = QAT_SYM_CAP_VALID |
236 ((ret >= MIXED_CRYPTO_MIN_FW_VER) ?
237 QAT_SYM_CAP_MIXED_CRYPTO : 0);
238 ret = 0;
239 }
240
241 return ret;
242 }
243
244 static struct rte_cryptodev_ops crypto_qat_ops = {
245
246 /* Device related operations */
247 .dev_configure = qat_sym_dev_config,
248 .dev_start = qat_sym_dev_start,
249 .dev_stop = qat_sym_dev_stop,
250 .dev_close = qat_sym_dev_close,
251 .dev_infos_get = qat_sym_dev_info_get,
252
253 .stats_get = qat_sym_stats_get,
254 .stats_reset = qat_sym_stats_reset,
255 .queue_pair_setup = qat_sym_qp_setup,
256 .queue_pair_release = qat_sym_qp_release,
257
258 /* Crypto related operations */
259 .sym_session_get_size = qat_sym_session_get_private_size,
260 .sym_session_configure = qat_sym_session_configure,
261 .sym_session_clear = qat_sym_session_clear,
262
263 /* Raw data-path API related operations */
264 .sym_get_raw_dp_ctx_size = qat_sym_get_dp_ctx_size,
265 .sym_configure_raw_dp_ctx = qat_sym_configure_dp_ctx,
266 };
267
268 #ifdef RTE_LIB_SECURITY
269 static const struct rte_security_capability *
qat_security_cap_get(void * device __rte_unused)270 qat_security_cap_get(void *device __rte_unused)
271 {
272 return qat_security_capabilities;
273 }
274
275 static struct rte_security_ops security_qat_ops = {
276
277 .session_create = qat_security_session_create,
278 .session_update = NULL,
279 .session_stats_get = NULL,
280 .session_destroy = qat_security_session_destroy,
281 .set_pkt_metadata = NULL,
282 .capabilities_get = qat_security_cap_get
283 };
284 #endif
285
286 static uint16_t
qat_sym_pmd_enqueue_op_burst(void * qp,struct rte_crypto_op ** ops,uint16_t nb_ops)287 qat_sym_pmd_enqueue_op_burst(void *qp, struct rte_crypto_op **ops,
288 uint16_t nb_ops)
289 {
290 return qat_enqueue_op_burst(qp, (void **)ops, nb_ops);
291 }
292
293 static uint16_t
qat_sym_pmd_dequeue_op_burst(void * qp,struct rte_crypto_op ** ops,uint16_t nb_ops)294 qat_sym_pmd_dequeue_op_burst(void *qp, struct rte_crypto_op **ops,
295 uint16_t nb_ops)
296 {
297 return qat_dequeue_op_burst(qp, (void **)ops, nb_ops);
298 }
299
300 /* An rte_driver is needed in the registration of both the device and the driver
301 * with cryptodev.
302 * The actual qat pci's rte_driver can't be used as its name represents
303 * the whole pci device with all services. Think of this as a holder for a name
304 * for the crypto part of the pci device.
305 */
306 static const char qat_sym_drv_name[] = RTE_STR(CRYPTODEV_NAME_QAT_SYM_PMD);
307 static const struct rte_driver cryptodev_qat_sym_driver = {
308 .name = qat_sym_drv_name,
309 .alias = qat_sym_drv_name
310 };
311
312 int
qat_sym_dev_create(struct qat_pci_device * qat_pci_dev,struct qat_dev_cmd_param * qat_dev_cmd_param __rte_unused)313 qat_sym_dev_create(struct qat_pci_device *qat_pci_dev,
314 struct qat_dev_cmd_param *qat_dev_cmd_param __rte_unused)
315 {
316 int i = 0, ret = 0;
317 struct qat_device_info *qat_dev_instance =
318 &qat_pci_devs[qat_pci_dev->qat_dev_id];
319
320 struct rte_cryptodev_pmd_init_params init_params = {
321 .name = "",
322 .socket_id =
323 qat_dev_instance->pci_dev->device.numa_node,
324 .private_data_size = sizeof(struct qat_sym_dev_private)
325 };
326 char name[RTE_CRYPTODEV_NAME_MAX_LEN];
327 char capa_memz_name[RTE_CRYPTODEV_NAME_MAX_LEN];
328 struct rte_cryptodev *cryptodev;
329 struct qat_sym_dev_private *internals;
330 const struct rte_cryptodev_capabilities *capabilities;
331 uint64_t capa_size;
332
333 /*
334 * All processes must use same driver id so they can share sessions.
335 * Store driver_id so we can validate that all processes have the same
336 * value, typically they have, but could differ if binaries built
337 * separately.
338 */
339 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
340 qat_pci_dev->qat_sym_driver_id =
341 qat_sym_driver_id;
342 } else if (rte_eal_process_type() == RTE_PROC_SECONDARY) {
343 if (qat_pci_dev->qat_sym_driver_id !=
344 qat_sym_driver_id) {
345 QAT_LOG(ERR,
346 "Device %s have different driver id than corresponding device in primary process",
347 name);
348 return -(EFAULT);
349 }
350 }
351
352 snprintf(name, RTE_CRYPTODEV_NAME_MAX_LEN, "%s_%s",
353 qat_pci_dev->name, "sym");
354 QAT_LOG(DEBUG, "Creating QAT SYM device %s", name);
355
356 /* Populate subset device to use in cryptodev device creation */
357 qat_dev_instance->sym_rte_dev.driver = &cryptodev_qat_sym_driver;
358 qat_dev_instance->sym_rte_dev.numa_node =
359 qat_dev_instance->pci_dev->device.numa_node;
360 qat_dev_instance->sym_rte_dev.devargs = NULL;
361
362 cryptodev = rte_cryptodev_pmd_create(name,
363 &(qat_dev_instance->sym_rte_dev), &init_params);
364
365 if (cryptodev == NULL)
366 return -ENODEV;
367
368 qat_dev_instance->sym_rte_dev.name = cryptodev->data->name;
369 cryptodev->driver_id = qat_sym_driver_id;
370 cryptodev->dev_ops = &crypto_qat_ops;
371
372 cryptodev->enqueue_burst = qat_sym_pmd_enqueue_op_burst;
373 cryptodev->dequeue_burst = qat_sym_pmd_dequeue_op_burst;
374
375 cryptodev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
376 RTE_CRYPTODEV_FF_HW_ACCELERATED |
377 RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING |
378 RTE_CRYPTODEV_FF_IN_PLACE_SGL |
379 RTE_CRYPTODEV_FF_OOP_SGL_IN_SGL_OUT |
380 RTE_CRYPTODEV_FF_OOP_SGL_IN_LB_OUT |
381 RTE_CRYPTODEV_FF_OOP_LB_IN_SGL_OUT |
382 RTE_CRYPTODEV_FF_OOP_LB_IN_LB_OUT |
383 RTE_CRYPTODEV_FF_DIGEST_ENCRYPTED |
384 RTE_CRYPTODEV_FF_SYM_RAW_DP;
385
386 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
387 return 0;
388
389 snprintf(capa_memz_name, RTE_CRYPTODEV_NAME_MAX_LEN,
390 "QAT_SYM_CAPA_GEN_%d",
391 qat_pci_dev->qat_dev_gen);
392
393 #ifdef RTE_LIB_SECURITY
394 struct rte_security_ctx *security_instance;
395 security_instance = rte_malloc("qat_sec",
396 sizeof(struct rte_security_ctx),
397 RTE_CACHE_LINE_SIZE);
398 if (security_instance == NULL) {
399 QAT_LOG(ERR, "rte_security_ctx memory alloc failed");
400 ret = -ENOMEM;
401 goto error;
402 }
403
404 security_instance->device = (void *)cryptodev;
405 security_instance->ops = &security_qat_ops;
406 security_instance->sess_cnt = 0;
407 cryptodev->security_ctx = security_instance;
408 cryptodev->feature_flags |= RTE_CRYPTODEV_FF_SECURITY;
409 #endif
410
411 internals = cryptodev->data->dev_private;
412 internals->qat_dev = qat_pci_dev;
413
414 internals->sym_dev_id = cryptodev->data->dev_id;
415 switch (qat_pci_dev->qat_dev_gen) {
416 case QAT_GEN1:
417 capabilities = qat_gen1_sym_capabilities;
418 capa_size = sizeof(qat_gen1_sym_capabilities);
419 break;
420 case QAT_GEN2:
421 capabilities = qat_gen2_sym_capabilities;
422 capa_size = sizeof(qat_gen2_sym_capabilities);
423 break;
424 case QAT_GEN3:
425 capabilities = qat_gen3_sym_capabilities;
426 capa_size = sizeof(qat_gen3_sym_capabilities);
427 break;
428 default:
429 QAT_LOG(DEBUG,
430 "QAT gen %d capabilities unknown",
431 qat_pci_dev->qat_dev_gen);
432 ret = -(EINVAL);
433 goto error;
434 }
435
436 internals->capa_mz = rte_memzone_lookup(capa_memz_name);
437 if (internals->capa_mz == NULL) {
438 internals->capa_mz = rte_memzone_reserve(capa_memz_name,
439 capa_size,
440 rte_socket_id(), 0);
441 }
442 if (internals->capa_mz == NULL) {
443 QAT_LOG(DEBUG,
444 "Error allocating memzone for capabilities, destroying "
445 "PMD for %s",
446 name);
447 ret = -EFAULT;
448 goto error;
449 }
450
451 memcpy(internals->capa_mz->addr, capabilities, capa_size);
452 internals->qat_dev_capabilities = internals->capa_mz->addr;
453
454 while (1) {
455 if (qat_dev_cmd_param[i].name == NULL)
456 break;
457 if (!strcmp(qat_dev_cmd_param[i].name, SYM_ENQ_THRESHOLD_NAME))
458 internals->min_enq_burst_threshold =
459 qat_dev_cmd_param[i].val;
460 i++;
461 }
462
463 qat_pci_dev->sym_dev = internals;
464 QAT_LOG(DEBUG, "Created QAT SYM device %s as cryptodev instance %d",
465 cryptodev->data->name, internals->sym_dev_id);
466
467 return 0;
468
469 error:
470 #ifdef RTE_LIB_SECURITY
471 rte_free(cryptodev->security_ctx);
472 cryptodev->security_ctx = NULL;
473 #endif
474 rte_cryptodev_pmd_destroy(cryptodev);
475 memset(&qat_dev_instance->sym_rte_dev, 0,
476 sizeof(qat_dev_instance->sym_rte_dev));
477
478 return ret;
479 }
480
481 int
qat_sym_dev_destroy(struct qat_pci_device * qat_pci_dev)482 qat_sym_dev_destroy(struct qat_pci_device *qat_pci_dev)
483 {
484 struct rte_cryptodev *cryptodev;
485
486 if (qat_pci_dev == NULL)
487 return -ENODEV;
488 if (qat_pci_dev->sym_dev == NULL)
489 return 0;
490 if (rte_eal_process_type() == RTE_PROC_PRIMARY)
491 rte_memzone_free(qat_pci_dev->sym_dev->capa_mz);
492
493 /* free crypto device */
494 cryptodev = rte_cryptodev_pmd_get_dev(qat_pci_dev->sym_dev->sym_dev_id);
495 #ifdef RTE_LIB_SECURITY
496 rte_free(cryptodev->security_ctx);
497 cryptodev->security_ctx = NULL;
498 #endif
499 rte_cryptodev_pmd_destroy(cryptodev);
500 qat_pci_devs[qat_pci_dev->qat_dev_id].sym_rte_dev.name = NULL;
501 qat_pci_dev->sym_dev = NULL;
502
503 return 0;
504 }
505
506 static struct cryptodev_driver qat_crypto_drv;
507 RTE_PMD_REGISTER_CRYPTO_DRIVER(qat_crypto_drv,
508 cryptodev_qat_sym_driver,
509 qat_sym_driver_id);
510