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 #define MIXED_CRYPTO_MIN_FW_VER 0x04090000
19 uint8_t cryptodev_qat_driver_id
;
21 static const struct rte_cryptodev_capabilities qat_gen1_sym_capabilities
[] = {
22 QAT_BASE_GEN1_SYM_CAPABILITIES
,
23 RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
26 static const struct rte_cryptodev_capabilities qat_gen2_sym_capabilities
[] = {
27 QAT_BASE_GEN1_SYM_CAPABILITIES
,
28 QAT_EXTRA_GEN2_SYM_CAPABILITIES
,
29 RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
32 static int qat_sym_qp_release(struct rte_cryptodev
*dev
,
33 uint16_t queue_pair_id
);
35 static int qat_sym_dev_config(__rte_unused
struct rte_cryptodev
*dev
,
36 __rte_unused
struct rte_cryptodev_config
*config
)
41 static int qat_sym_dev_start(__rte_unused
struct rte_cryptodev
*dev
)
46 static void qat_sym_dev_stop(__rte_unused
struct rte_cryptodev
*dev
)
51 static int qat_sym_dev_close(struct rte_cryptodev
*dev
)
55 for (i
= 0; i
< dev
->data
->nb_queue_pairs
; i
++) {
56 ret
= qat_sym_qp_release(dev
, i
);
64 static void qat_sym_dev_info_get(struct rte_cryptodev
*dev
,
65 struct rte_cryptodev_info
*info
)
67 struct qat_sym_dev_private
*internals
= dev
->data
->dev_private
;
68 const struct qat_qp_hw_data
*sym_hw_qps
=
69 qat_gen_config
[internals
->qat_dev
->qat_dev_gen
]
70 .qp_hw_data
[QAT_SERVICE_SYMMETRIC
];
73 info
->max_nb_queue_pairs
=
74 qat_qps_per_service(sym_hw_qps
, QAT_SERVICE_SYMMETRIC
);
75 info
->feature_flags
= dev
->feature_flags
;
76 info
->capabilities
= internals
->qat_dev_capabilities
;
77 info
->driver_id
= cryptodev_qat_driver_id
;
78 /* No limit of number of sessions */
79 info
->sym
.max_nb_sessions
= 0;
83 static void qat_sym_stats_get(struct rte_cryptodev
*dev
,
84 struct rte_cryptodev_stats
*stats
)
86 struct qat_common_stats qat_stats
= {0};
87 struct qat_sym_dev_private
*qat_priv
;
89 if (stats
== NULL
|| dev
== NULL
) {
90 QAT_LOG(ERR
, "invalid ptr: stats %p, dev %p", stats
, dev
);
93 qat_priv
= dev
->data
->dev_private
;
95 qat_stats_get(qat_priv
->qat_dev
, &qat_stats
, QAT_SERVICE_SYMMETRIC
);
96 stats
->enqueued_count
= qat_stats
.enqueued_count
;
97 stats
->dequeued_count
= qat_stats
.dequeued_count
;
98 stats
->enqueue_err_count
= qat_stats
.enqueue_err_count
;
99 stats
->dequeue_err_count
= qat_stats
.dequeue_err_count
;
102 static void qat_sym_stats_reset(struct rte_cryptodev
*dev
)
104 struct qat_sym_dev_private
*qat_priv
;
107 QAT_LOG(ERR
, "invalid cryptodev ptr %p", dev
);
110 qat_priv
= dev
->data
->dev_private
;
112 qat_stats_reset(qat_priv
->qat_dev
, QAT_SERVICE_SYMMETRIC
);
116 static int qat_sym_qp_release(struct rte_cryptodev
*dev
, uint16_t queue_pair_id
)
118 struct qat_sym_dev_private
*qat_private
= dev
->data
->dev_private
;
120 QAT_LOG(DEBUG
, "Release sym qp %u on device %d",
121 queue_pair_id
, dev
->data
->dev_id
);
123 qat_private
->qat_dev
->qps_in_use
[QAT_SERVICE_SYMMETRIC
][queue_pair_id
]
126 return qat_qp_release((struct qat_qp
**)
127 &(dev
->data
->queue_pairs
[queue_pair_id
]));
130 static int qat_sym_qp_setup(struct rte_cryptodev
*dev
, uint16_t qp_id
,
131 const struct rte_cryptodev_qp_conf
*qp_conf
,
137 struct qat_qp_config qat_qp_conf
;
139 struct qat_qp
**qp_addr
=
140 (struct qat_qp
**)&(dev
->data
->queue_pairs
[qp_id
]);
141 struct qat_sym_dev_private
*qat_private
= dev
->data
->dev_private
;
142 const struct qat_qp_hw_data
*sym_hw_qps
=
143 qat_gen_config
[qat_private
->qat_dev
->qat_dev_gen
]
144 .qp_hw_data
[QAT_SERVICE_SYMMETRIC
];
145 const struct qat_qp_hw_data
*qp_hw_data
= sym_hw_qps
+ qp_id
;
147 /* If qp is already in use free ring memory and qp metadata. */
148 if (*qp_addr
!= NULL
) {
149 ret
= qat_sym_qp_release(dev
, qp_id
);
153 if (qp_id
>= qat_qps_per_service(sym_hw_qps
, QAT_SERVICE_SYMMETRIC
)) {
154 QAT_LOG(ERR
, "qp_id %u invalid for this device", qp_id
);
158 qat_qp_conf
.hw
= qp_hw_data
;
159 qat_qp_conf
.build_request
= qat_sym_build_request
;
160 qat_qp_conf
.cookie_size
= sizeof(struct qat_sym_op_cookie
);
161 qat_qp_conf
.nb_descriptors
= qp_conf
->nb_descriptors
;
162 qat_qp_conf
.socket_id
= socket_id
;
163 qat_qp_conf
.service_str
= "sym";
165 ret
= qat_qp_setup(qat_private
->qat_dev
, qp_addr
, qp_id
, &qat_qp_conf
);
169 /* store a link to the qp in the qat_pci_device */
170 qat_private
->qat_dev
->qps_in_use
[QAT_SERVICE_SYMMETRIC
][qp_id
]
173 qp
= (struct qat_qp
*)*qp_addr
;
174 qp
->min_enq_burst_threshold
= qat_private
->min_enq_burst_threshold
;
176 for (i
= 0; i
< qp
->nb_descriptors
; i
++) {
178 struct qat_sym_op_cookie
*cookie
=
181 cookie
->qat_sgl_src_phys_addr
=
182 rte_mempool_virt2iova(cookie
) +
183 offsetof(struct qat_sym_op_cookie
,
186 cookie
->qat_sgl_dst_phys_addr
=
187 rte_mempool_virt2iova(cookie
) +
188 offsetof(struct qat_sym_op_cookie
,
192 /* Get fw version from QAT (GEN2), skip if we've got it already */
193 if (qp
->qat_dev_gen
== QAT_GEN2
&& !(qat_private
->internal_capabilities
194 & QAT_SYM_CAP_VALID
)) {
195 ret
= qat_cq_get_fw_version(qp
);
198 qat_sym_qp_release(dev
, qp_id
);
203 QAT_LOG(DEBUG
, "QAT firmware version: %d.%d.%d",
208 QAT_LOG(DEBUG
, "unknown QAT firmware version");
210 /* set capabilities based on the fw version */
211 qat_private
->internal_capabilities
= QAT_SYM_CAP_VALID
|
212 ((ret
>= MIXED_CRYPTO_MIN_FW_VER
) ?
213 QAT_SYM_CAP_MIXED_CRYPTO
: 0);
220 static struct rte_cryptodev_ops crypto_qat_ops
= {
222 /* Device related operations */
223 .dev_configure
= qat_sym_dev_config
,
224 .dev_start
= qat_sym_dev_start
,
225 .dev_stop
= qat_sym_dev_stop
,
226 .dev_close
= qat_sym_dev_close
,
227 .dev_infos_get
= qat_sym_dev_info_get
,
229 .stats_get
= qat_sym_stats_get
,
230 .stats_reset
= qat_sym_stats_reset
,
231 .queue_pair_setup
= qat_sym_qp_setup
,
232 .queue_pair_release
= qat_sym_qp_release
,
234 /* Crypto related operations */
235 .sym_session_get_size
= qat_sym_session_get_private_size
,
236 .sym_session_configure
= qat_sym_session_configure
,
237 .sym_session_clear
= qat_sym_session_clear
241 qat_sym_pmd_enqueue_op_burst(void *qp
, struct rte_crypto_op
**ops
,
244 return qat_enqueue_op_burst(qp
, (void **)ops
, nb_ops
);
248 qat_sym_pmd_dequeue_op_burst(void *qp
, struct rte_crypto_op
**ops
,
251 return qat_dequeue_op_burst(qp
, (void **)ops
, nb_ops
);
254 /* An rte_driver is needed in the registration of both the device and the driver
256 * The actual qat pci's rte_driver can't be used as its name represents
257 * the whole pci device with all services. Think of this as a holder for a name
258 * for the crypto part of the pci device.
260 static const char qat_sym_drv_name
[] = RTE_STR(CRYPTODEV_NAME_QAT_SYM_PMD
);
261 static const struct rte_driver cryptodev_qat_sym_driver
= {
262 .name
= qat_sym_drv_name
,
263 .alias
= qat_sym_drv_name
267 qat_sym_dev_create(struct qat_pci_device
*qat_pci_dev
,
268 struct qat_dev_cmd_param
*qat_dev_cmd_param __rte_unused
)
271 struct rte_cryptodev_pmd_init_params init_params
= {
273 .socket_id
= qat_pci_dev
->pci_dev
->device
.numa_node
,
274 .private_data_size
= sizeof(struct qat_sym_dev_private
)
276 char name
[RTE_CRYPTODEV_NAME_MAX_LEN
];
277 struct rte_cryptodev
*cryptodev
;
278 struct qat_sym_dev_private
*internals
;
280 snprintf(name
, RTE_CRYPTODEV_NAME_MAX_LEN
, "%s_%s",
281 qat_pci_dev
->name
, "sym");
282 QAT_LOG(DEBUG
, "Creating QAT SYM device %s", name
);
284 /* Populate subset device to use in cryptodev device creation */
285 qat_pci_dev
->sym_rte_dev
.driver
= &cryptodev_qat_sym_driver
;
286 qat_pci_dev
->sym_rte_dev
.numa_node
=
287 qat_pci_dev
->pci_dev
->device
.numa_node
;
288 qat_pci_dev
->sym_rte_dev
.devargs
= NULL
;
290 cryptodev
= rte_cryptodev_pmd_create(name
,
291 &(qat_pci_dev
->sym_rte_dev
), &init_params
);
293 if (cryptodev
== NULL
)
296 qat_pci_dev
->sym_rte_dev
.name
= cryptodev
->data
->name
;
297 cryptodev
->driver_id
= cryptodev_qat_driver_id
;
298 cryptodev
->dev_ops
= &crypto_qat_ops
;
300 cryptodev
->enqueue_burst
= qat_sym_pmd_enqueue_op_burst
;
301 cryptodev
->dequeue_burst
= qat_sym_pmd_dequeue_op_burst
;
303 cryptodev
->feature_flags
= RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO
|
304 RTE_CRYPTODEV_FF_HW_ACCELERATED
|
305 RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING
|
306 RTE_CRYPTODEV_FF_IN_PLACE_SGL
|
307 RTE_CRYPTODEV_FF_OOP_SGL_IN_SGL_OUT
|
308 RTE_CRYPTODEV_FF_OOP_SGL_IN_LB_OUT
|
309 RTE_CRYPTODEV_FF_OOP_LB_IN_SGL_OUT
|
310 RTE_CRYPTODEV_FF_OOP_LB_IN_LB_OUT
|
311 RTE_CRYPTODEV_FF_DIGEST_ENCRYPTED
;
313 internals
= cryptodev
->data
->dev_private
;
314 internals
->qat_dev
= qat_pci_dev
;
315 qat_pci_dev
->sym_dev
= internals
;
317 internals
->sym_dev_id
= cryptodev
->data
->dev_id
;
318 switch (qat_pci_dev
->qat_dev_gen
) {
320 internals
->qat_dev_capabilities
= qat_gen1_sym_capabilities
;
324 internals
->qat_dev_capabilities
= qat_gen2_sym_capabilities
;
327 internals
->qat_dev_capabilities
= qat_gen2_sym_capabilities
;
329 "QAT gen %d capabilities unknown, default to GEN2",
330 qat_pci_dev
->qat_dev_gen
);
335 if (qat_dev_cmd_param
[i
].name
== NULL
)
337 if (!strcmp(qat_dev_cmd_param
[i
].name
, SYM_ENQ_THRESHOLD_NAME
))
338 internals
->min_enq_burst_threshold
=
339 qat_dev_cmd_param
[i
].val
;
343 QAT_LOG(DEBUG
, "Created QAT SYM device %s as cryptodev instance %d",
344 cryptodev
->data
->name
, internals
->sym_dev_id
);
349 qat_sym_dev_destroy(struct qat_pci_device
*qat_pci_dev
)
351 struct rte_cryptodev
*cryptodev
;
353 if (qat_pci_dev
== NULL
)
355 if (qat_pci_dev
->sym_dev
== NULL
)
358 /* free crypto device */
359 cryptodev
= rte_cryptodev_pmd_get_dev(qat_pci_dev
->sym_dev
->sym_dev_id
);
360 rte_cryptodev_pmd_destroy(cryptodev
);
361 qat_pci_dev
->sym_rte_dev
.name
= NULL
;
362 qat_pci_dev
->sym_dev
= NULL
;
367 static struct cryptodev_driver qat_crypto_drv
;
368 RTE_PMD_REGISTER_CRYPTO_DRIVER(qat_crypto_drv
,
369 cryptodev_qat_sym_driver
,
370 cryptodev_qat_driver_id
);