1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2015-2018 Intel Corporation
5 #include <rte_bus_pci.h>
6 #include <rte_common.h>
8 #include <rte_malloc.h>
10 #include <rte_cryptodev_pmd.h>
14 #include "qat_sym_session.h"
15 #include "qat_sym_pmd.h"
17 uint8_t cryptodev_qat_driver_id;
19 static const struct rte_cryptodev_capabilities qat_gen1_sym_capabilities[] = {
20 QAT_BASE_GEN1_SYM_CAPABILITIES,
21 RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
24 static const struct rte_cryptodev_capabilities qat_gen2_sym_capabilities[] = {
25 QAT_BASE_GEN1_SYM_CAPABILITIES,
26 QAT_EXTRA_GEN2_SYM_CAPABILITIES,
27 RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
30 static int qat_sym_qp_release(struct rte_cryptodev *dev,
31 uint16_t queue_pair_id);
33 static int qat_sym_dev_config(__rte_unused struct rte_cryptodev *dev,
34 __rte_unused struct rte_cryptodev_config *config)
39 static int qat_sym_dev_start(__rte_unused struct rte_cryptodev *dev)
44 static void qat_sym_dev_stop(__rte_unused struct rte_cryptodev *dev)
49 static int qat_sym_dev_close(struct rte_cryptodev *dev)
53 for (i = 0; i < dev->data->nb_queue_pairs; i++) {
54 ret = qat_sym_qp_release(dev, i);
62 static void qat_sym_dev_info_get(struct rte_cryptodev *dev,
63 struct rte_cryptodev_info *info)
65 struct qat_sym_dev_private *internals = dev->data->dev_private;
66 const struct qat_qp_hw_data *sym_hw_qps =
67 qat_gen_config[internals->qat_dev->qat_dev_gen]
68 .qp_hw_data[QAT_SERVICE_SYMMETRIC];
71 info->max_nb_queue_pairs =
72 qat_qps_per_service(sym_hw_qps, QAT_SERVICE_SYMMETRIC);
73 info->feature_flags = dev->feature_flags;
74 info->capabilities = internals->qat_dev_capabilities;
75 info->sym.max_nb_sessions = QAT_SYM_PMD_MAX_NB_SESSIONS;
76 info->driver_id = cryptodev_qat_driver_id;
77 info->pci_dev = RTE_DEV_TO_PCI(dev->device);
81 static void qat_sym_stats_get(struct rte_cryptodev *dev,
82 struct rte_cryptodev_stats *stats)
84 struct qat_common_stats qat_stats = {0};
85 struct qat_sym_dev_private *qat_priv;
87 if (stats == NULL || dev == NULL) {
88 PMD_DRV_LOG(ERR, "invalid ptr: stats %p, dev %p", stats, dev);
91 qat_priv = dev->data->dev_private;
93 qat_stats_get(qat_priv->qat_dev, &qat_stats, QAT_SERVICE_SYMMETRIC);
94 stats->enqueued_count = qat_stats.enqueued_count;
95 stats->dequeued_count = qat_stats.dequeued_count;
96 stats->enqueue_err_count = qat_stats.enqueue_err_count;
97 stats->dequeue_err_count = qat_stats.dequeue_err_count;
100 static void qat_sym_stats_reset(struct rte_cryptodev *dev)
102 struct qat_sym_dev_private *qat_priv;
105 PMD_DRV_LOG(ERR, "invalid cryptodev ptr %p", dev);
108 qat_priv = dev->data->dev_private;
110 qat_stats_reset(qat_priv->qat_dev, QAT_SERVICE_SYMMETRIC);
114 static int qat_sym_qp_release(struct rte_cryptodev *dev, uint16_t queue_pair_id)
116 struct qat_sym_dev_private *qat_private = dev->data->dev_private;
118 PMD_DRV_LOG(DEBUG, "Release sym qp %u on device %d",
119 queue_pair_id, dev->data->dev_id);
121 qat_private->qat_dev->qps_in_use[QAT_SERVICE_SYMMETRIC][queue_pair_id]
124 return qat_qp_release((struct qat_qp **)
125 &(dev->data->queue_pairs[queue_pair_id]));
128 static int qat_sym_qp_setup(struct rte_cryptodev *dev, uint16_t qp_id,
129 const struct rte_cryptodev_qp_conf *qp_conf,
130 int socket_id, struct rte_mempool *session_pool __rte_unused)
135 struct qat_qp_config qat_qp_conf;
137 struct qat_qp **qp_addr =
138 (struct qat_qp **)&(dev->data->queue_pairs[qp_id]);
139 struct qat_sym_dev_private *qat_private = dev->data->dev_private;
140 const struct qat_qp_hw_data *sym_hw_qps =
141 qat_gen_config[qat_private->qat_dev->qat_dev_gen]
142 .qp_hw_data[QAT_SERVICE_SYMMETRIC];
143 const struct qat_qp_hw_data *qp_hw_data = sym_hw_qps + qp_id;
145 /* If qp is already in use free ring memory and qp metadata. */
146 if (*qp_addr != NULL) {
147 ret = qat_sym_qp_release(dev, qp_id);
151 if (qp_id >= qat_qps_per_service(sym_hw_qps, QAT_SERVICE_SYMMETRIC)) {
152 PMD_DRV_LOG(ERR, "qp_id %u invalid for this device", qp_id);
156 qat_qp_conf.hw = qp_hw_data;
157 qat_qp_conf.build_request = qat_sym_build_request;
158 qat_qp_conf.cookie_size = sizeof(struct qat_sym_op_cookie);
159 qat_qp_conf.nb_descriptors = qp_conf->nb_descriptors;
160 qat_qp_conf.socket_id = socket_id;
161 qat_qp_conf.service_str = "sym";
163 ret = qat_qp_setup(qat_private->qat_dev, qp_addr, qp_id, &qat_qp_conf);
167 /* store a link to the qp in the qat_pci_device */
168 qat_private->qat_dev->qps_in_use[QAT_SERVICE_SYMMETRIC][qp_id]
171 qp = (struct qat_qp *)*qp_addr;
173 for (i = 0; i < qp->nb_descriptors; i++) {
175 struct qat_sym_op_cookie *cookie =
178 cookie->qat_sgl_src_phys_addr =
179 rte_mempool_virt2iova(cookie) +
180 offsetof(struct qat_sym_op_cookie,
183 cookie->qat_sgl_dst_phys_addr =
184 rte_mempool_virt2iova(cookie) +
185 offsetof(struct qat_sym_op_cookie,
192 static struct rte_cryptodev_ops crypto_qat_ops = {
194 /* Device related operations */
195 .dev_configure = qat_sym_dev_config,
196 .dev_start = qat_sym_dev_start,
197 .dev_stop = qat_sym_dev_stop,
198 .dev_close = qat_sym_dev_close,
199 .dev_infos_get = qat_sym_dev_info_get,
201 .stats_get = qat_sym_stats_get,
202 .stats_reset = qat_sym_stats_reset,
203 .queue_pair_setup = qat_sym_qp_setup,
204 .queue_pair_release = qat_sym_qp_release,
205 .queue_pair_start = NULL,
206 .queue_pair_stop = NULL,
207 .queue_pair_count = NULL,
209 /* Crypto related operations */
210 .session_get_size = qat_sym_session_get_private_size,
211 .session_configure = qat_sym_session_configure,
212 .session_clear = qat_sym_session_clear
216 qat_sym_pmd_enqueue_op_burst(void *qp, struct rte_crypto_op **ops,
219 return qat_enqueue_op_burst(qp, (void **)ops, nb_ops);
223 qat_sym_pmd_dequeue_op_burst(void *qp, struct rte_crypto_op **ops,
226 return qat_dequeue_op_burst(qp, (void **)ops, nb_ops);
229 /* An rte_driver is needed in the registration of both the device and the driver
231 * The actual qat pci's rte_driver can't be used as its name represents
232 * the whole pci device with all services. Think of this as a holder for a name
233 * for the crypto part of the pci device.
235 static const char qat_sym_drv_name[] = RTE_STR(CRYPTODEV_NAME_QAT_SYM_PMD);
236 static const struct rte_driver cryptodev_qat_sym_driver = {
237 .name = qat_sym_drv_name,
238 .alias = qat_sym_drv_name
242 qat_sym_dev_create(struct qat_pci_device *qat_pci_dev)
244 struct rte_cryptodev_pmd_init_params init_params = {
246 .socket_id = qat_pci_dev->pci_dev->device.numa_node,
247 .private_data_size = sizeof(struct qat_sym_dev_private),
248 .max_nb_sessions = QAT_SYM_PMD_MAX_NB_SESSIONS
250 char name[RTE_CRYPTODEV_NAME_MAX_LEN];
251 struct rte_cryptodev *cryptodev;
252 struct qat_sym_dev_private *internals;
254 snprintf(name, RTE_CRYPTODEV_NAME_MAX_LEN, "%s_%s",
255 qat_pci_dev->name, "sym");
256 PMD_DRV_LOG(DEBUG, "Creating QAT SYM device %s", name);
258 /* Populate subset device to use in cryptodev device creation */
259 qat_pci_dev->sym_rte_dev.driver = &cryptodev_qat_sym_driver;
260 qat_pci_dev->sym_rte_dev.numa_node =
261 qat_pci_dev->pci_dev->device.numa_node;
262 qat_pci_dev->sym_rte_dev.devargs = NULL;
264 cryptodev = rte_cryptodev_pmd_create(name,
265 &(qat_pci_dev->sym_rte_dev), &init_params);
267 if (cryptodev == NULL)
270 qat_pci_dev->sym_rte_dev.name = cryptodev->data->name;
271 cryptodev->driver_id = cryptodev_qat_driver_id;
272 cryptodev->dev_ops = &crypto_qat_ops;
274 cryptodev->enqueue_burst = qat_sym_pmd_enqueue_op_burst;
275 cryptodev->dequeue_burst = qat_sym_pmd_dequeue_op_burst;
277 cryptodev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
278 RTE_CRYPTODEV_FF_HW_ACCELERATED |
279 RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING |
280 RTE_CRYPTODEV_FF_MBUF_SCATTER_GATHER;
282 internals = cryptodev->data->dev_private;
283 internals->qat_dev = qat_pci_dev;
284 qat_pci_dev->sym_dev = internals;
286 internals->sym_dev_id = cryptodev->data->dev_id;
287 switch (qat_pci_dev->qat_dev_gen) {
289 internals->qat_dev_capabilities = qat_gen1_sym_capabilities;
292 internals->qat_dev_capabilities = qat_gen2_sym_capabilities;
295 internals->qat_dev_capabilities = qat_gen2_sym_capabilities;
297 "QAT gen %d capabilities unknown, default to GEN2",
298 qat_pci_dev->qat_dev_gen);
302 PMD_DRV_LOG(DEBUG, "Created QAT SYM device %s as cryptodev instance %d",
303 cryptodev->data->name, internals->sym_dev_id);
308 qat_sym_dev_destroy(struct qat_pci_device *qat_pci_dev)
310 struct rte_cryptodev *cryptodev;
312 if (qat_pci_dev == NULL)
314 if (qat_pci_dev->sym_dev == NULL)
317 /* free crypto device */
318 cryptodev = rte_cryptodev_pmd_get_dev(qat_pci_dev->sym_dev->sym_dev_id);
319 rte_cryptodev_pmd_destroy(cryptodev);
320 qat_pci_dev->sym_rte_dev.name = NULL;
321 qat_pci_dev->sym_dev = NULL;
327 static struct cryptodev_driver qat_crypto_drv;
328 RTE_PMD_REGISTER_CRYPTO_DRIVER(qat_crypto_drv,
329 cryptodev_qat_sym_driver,
330 cryptodev_qat_driver_id);