[ceph.git] / ceph / src / spdk / dpdk / drivers / crypto / armv8 / rte_armv8_pmd_ops.c

/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright(c) 2017 Cavium, Inc
 */

#include <string.h>

#include <rte_common.h>
#include <rte_malloc.h>
#include <rte_cryptodev_pmd.h>

#include "armv8_crypto_defs.h"

#include "rte_armv8_pmd_private.h"

static const struct rte_cryptodev_capabilities
	armv8_crypto_pmd_capabilities[] = {
	{	/* SHA1 HMAC */
		.op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
			{.sym = {
				.xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
				{.auth = {
					.algo = RTE_CRYPTO_AUTH_SHA1_HMAC,
					.block_size = 64,
					.key_size = {
						.min = 1,
						.max = 64,
						.increment = 1
					},
					.digest_size = {
						.min = 1,
						.max = 20,
						.increment = 1
					},
					.iv_size = { 0 }
				}, }
			}, }
	},
	{	/* SHA256 HMAC */
		.op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
			{.sym = {
				.xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
				{.auth = {
					.algo = RTE_CRYPTO_AUTH_SHA256_HMAC,
					.block_size = 64,
					.key_size = {
						.min = 1,
						.max = 64,
						.increment = 1
					},
					.digest_size = {
						.min = 1,
						.max = 32,
						.increment = 1
					},
					.iv_size = { 0 }
				}, }
			}, }
	},
	{	/* AES CBC */
		.op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
			{.sym = {
				.xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
				{.cipher = {
					.algo = RTE_CRYPTO_CIPHER_AES_CBC,
					.block_size = 16,
					.key_size = {
						.min = 16,
						.max = 16,
						.increment = 0
					},
					.iv_size = {
						.min = 16,
						.max = 16,
						.increment = 0
					}
				}, }
			}, }
	},

	RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
};


/** Configure device */
static int
armv8_crypto_pmd_config(__rte_unused struct rte_cryptodev *dev,
		__rte_unused struct rte_cryptodev_config *config)
{
	return 0;
}

/** Start device */
static int
armv8_crypto_pmd_start(__rte_unused struct rte_cryptodev *dev)
{
	return 0;
}

/** Stop device */
static void
armv8_crypto_pmd_stop(__rte_unused struct rte_cryptodev *dev)
{
}

/** Close device */
static int
armv8_crypto_pmd_close(__rte_unused struct rte_cryptodev *dev)
{
	return 0;
}


/** Get device statistics */
static void
armv8_crypto_pmd_stats_get(struct rte_cryptodev *dev,
		struct rte_cryptodev_stats *stats)
{
	int qp_id;

	for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
		struct armv8_crypto_qp *qp = dev->data->queue_pairs[qp_id];

		stats->enqueued_count += qp->stats.enqueued_count;
		stats->dequeued_count += qp->stats.dequeued_count;

		stats->enqueue_err_count += qp->stats.enqueue_err_count;
		stats->dequeue_err_count += qp->stats.dequeue_err_count;
	}
}

/** Reset device statistics */
static void
armv8_crypto_pmd_stats_reset(struct rte_cryptodev *dev)
{
	int qp_id;

	for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
		struct armv8_crypto_qp *qp = dev->data->queue_pairs[qp_id];

		memset(&qp->stats, 0, sizeof(qp->stats));
	}
}


/** Get device info */
static void
armv8_crypto_pmd_info_get(struct rte_cryptodev *dev,
		struct rte_cryptodev_info *dev_info)
{
	struct armv8_crypto_private *internals = dev->data->dev_private;

	if (dev_info != NULL) {
		dev_info->driver_id = dev->driver_id;
		dev_info->feature_flags = dev->feature_flags;
		dev_info->capabilities = armv8_crypto_pmd_capabilities;
		dev_info->max_nb_queue_pairs = internals->max_nb_qpairs;
		/* No limit of number of sessions */
		dev_info->sym.max_nb_sessions = 0;
	}
}

/** Release queue pair */
static int
armv8_crypto_pmd_qp_release(struct rte_cryptodev *dev, uint16_t qp_id)
{

	if (dev->data->queue_pairs[qp_id] != NULL) {
		rte_free(dev->data->queue_pairs[qp_id]);
		dev->data->queue_pairs[qp_id] = NULL;
	}

	return 0;
}

/** set a unique name for the queue pair based on it's name, dev_id and qp_id */
static int
armv8_crypto_pmd_qp_set_unique_name(struct rte_cryptodev *dev,
		struct armv8_crypto_qp *qp)
{
	unsigned int n;

	n = snprintf(qp->name, sizeof(qp->name), "armv8_crypto_pmd_%u_qp_%u",
			dev->data->dev_id, qp->id);

	if (n >= sizeof(qp->name))
		return -1;

	return 0;
}


/** Create a ring to place processed operations on */
static struct rte_ring *
armv8_crypto_pmd_qp_create_processed_ops_ring(struct armv8_crypto_qp *qp,
		unsigned int ring_size, int socket_id)
{
	struct rte_ring *r;

	r = rte_ring_lookup(qp->name);
	if (r) {
		if (rte_ring_get_size(r) >= ring_size) {
			ARMV8_CRYPTO_LOG_INFO(
				"Reusing existing ring %s for processed ops",
				 qp->name);
			return r;
		}

		ARMV8_CRYPTO_LOG_ERR(
			"Unable to reuse existing ring %s for processed ops",
			 qp->name);
		return NULL;
	}

	return rte_ring_create(qp->name, ring_size, socket_id,
			RING_F_SP_ENQ | RING_F_SC_DEQ);
}


/** Setup a queue pair */
static int
armv8_crypto_pmd_qp_setup(struct rte_cryptodev *dev, uint16_t qp_id,
		const struct rte_cryptodev_qp_conf *qp_conf,
		int socket_id)
{
	struct armv8_crypto_qp *qp = NULL;

	/* Free memory prior to re-allocation if needed. */
	if (dev->data->queue_pairs[qp_id] != NULL)
		armv8_crypto_pmd_qp_release(dev, qp_id);

	/* Allocate the queue pair data structure. */
	qp = rte_zmalloc_socket("ARMv8 PMD Queue Pair", sizeof(*qp),
					RTE_CACHE_LINE_SIZE, socket_id);
	if (qp == NULL)
		return -ENOMEM;

	qp->id = qp_id;
	dev->data->queue_pairs[qp_id] = qp;

	if (armv8_crypto_pmd_qp_set_unique_name(dev, qp) != 0)
		goto qp_setup_cleanup;

	qp->processed_ops = armv8_crypto_pmd_qp_create_processed_ops_ring(qp,
			qp_conf->nb_descriptors, socket_id);
	if (qp->processed_ops == NULL)
		goto qp_setup_cleanup;

	qp->sess_mp = qp_conf->mp_session;
	qp->sess_mp_priv = qp_conf->mp_session_private;

	memset(&qp->stats, 0, sizeof(qp->stats));

	return 0;

qp_setup_cleanup:
	if (qp)
		rte_free(qp);

	return -1;
}

/** Return the number of allocated queue pairs */
static uint32_t
armv8_crypto_pmd_qp_count(struct rte_cryptodev *dev)
{
	return dev->data->nb_queue_pairs;
}

/** Returns the size of the session structure */
static unsigned
armv8_crypto_pmd_sym_session_get_size(struct rte_cryptodev *dev __rte_unused)
{
	return sizeof(struct armv8_crypto_session);
}

/** Configure the session from a crypto xform chain */
static int
armv8_crypto_pmd_sym_session_configure(struct rte_cryptodev *dev,
		struct rte_crypto_sym_xform *xform,
		struct rte_cryptodev_sym_session *sess,
		struct rte_mempool *mempool)
{
	void *sess_private_data;
	int ret;

	if (unlikely(sess == NULL)) {
		ARMV8_CRYPTO_LOG_ERR("invalid session struct");
		return -EINVAL;
	}

	if (rte_mempool_get(mempool, &sess_private_data)) {
		CDEV_LOG_ERR(
			"Couldn't get object from session mempool");
		return -ENOMEM;
	}

	ret = armv8_crypto_set_session_parameters(sess_private_data, xform);
	if (ret != 0) {
		ARMV8_CRYPTO_LOG_ERR("failed configure session parameters");

		/* Return session to mempool */
		rte_mempool_put(mempool, sess_private_data);
		return ret;
	}

	set_sym_session_private_data(sess, dev->driver_id,
			sess_private_data);

	return 0;
}

/** Clear the memory of session so it doesn't leave key material behind */
static void
armv8_crypto_pmd_sym_session_clear(struct rte_cryptodev *dev,
		struct rte_cryptodev_sym_session *sess)
{
	uint8_t index = dev->driver_id;
	void *sess_priv = get_sym_session_private_data(sess, index);

	/* Zero out the whole structure */
	if (sess_priv) {
		memset(sess_priv, 0, sizeof(struct armv8_crypto_session));
		struct rte_mempool *sess_mp = rte_mempool_from_obj(sess_priv);
		set_sym_session_private_data(sess, index, NULL);
		rte_mempool_put(sess_mp, sess_priv);
	}
}

struct rte_cryptodev_ops armv8_crypto_pmd_ops = {
		.dev_configure		= armv8_crypto_pmd_config,
		.dev_start		= armv8_crypto_pmd_start,
		.dev_stop		= armv8_crypto_pmd_stop,
		.dev_close		= armv8_crypto_pmd_close,

		.stats_get		= armv8_crypto_pmd_stats_get,
		.stats_reset		= armv8_crypto_pmd_stats_reset,

		.dev_infos_get		= armv8_crypto_pmd_info_get,

		.queue_pair_setup	= armv8_crypto_pmd_qp_setup,
		.queue_pair_release	= armv8_crypto_pmd_qp_release,
		.queue_pair_count	= armv8_crypto_pmd_qp_count,

		.sym_session_get_size	= armv8_crypto_pmd_sym_session_get_size,
		.sym_session_configure	= armv8_crypto_pmd_sym_session_configure,
		.sym_session_clear	= armv8_crypto_pmd_sym_session_clear
};

struct rte_cryptodev_ops *rte_armv8_crypto_pmd_ops = &armv8_crypto_pmd_ops;
Commit	Line	Data
11fdf7f2 TL	1	/* SPDX-License-Identifier: BSD-3-Clause
	2	* Copyright(c) 2017 Cavium, Inc
	3	*/
	4
	5	#include <string.h>
	6
	7	#include <rte_common.h>
	8	#include <rte_malloc.h>
	9	#include <rte_cryptodev_pmd.h>
	10
	11	#include "armv8_crypto_defs.h"
	12
	13	#include "rte_armv8_pmd_private.h"
	14
	15	static const struct rte_cryptodev_capabilities
	16	armv8_crypto_pmd_capabilities[] = {
	17	{ /* SHA1 HMAC */
	18	.op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
	19	{.sym = {
	20	.xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
	21	{.auth = {
	22	.algo = RTE_CRYPTO_AUTH_SHA1_HMAC,
	23	.block_size = 64,
	24	.key_size = {
	25	.min = 1,
	26	.max = 64,
	27	.increment = 1
	28	},
	29	.digest_size = {
	30	.min = 1,
	31	.max = 20,
	32	.increment = 1
	33	},
	34	.iv_size = { 0 }
	35	}, }
	36	}, }
	37	},
	38	{ /* SHA256 HMAC */
	39	.op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
	40	{.sym = {
	41	.xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
	42	{.auth = {
	43	.algo = RTE_CRYPTO_AUTH_SHA256_HMAC,
	44	.block_size = 64,
	45	.key_size = {
	46	.min = 1,
	47	.max = 64,
	48	.increment = 1
	49	},
	50	.digest_size = {
	51	.min = 1,
	52	.max = 32,
	53	.increment = 1
	54	},
	55	.iv_size = { 0 }
	56	}, }
	57	}, }
	58	},
	59	{ /* AES CBC */
	60	.op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
	61	{.sym = {
	62	.xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
	63	{.cipher = {
	64	.algo = RTE_CRYPTO_CIPHER_AES_CBC,
65	.block_size = 16,
66	.key_size = {
67	.min = 16,
68	.max = 16,
69	.increment = 0
70	},
71	.iv_size = {
72	.min = 16,
73	.max = 16,
74	.increment = 0
75	}
76	}, }
77	}, }
78	},
79
80	RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
81	};
82
83
84	/** Configure device */
85	static int
86	armv8_crypto_pmd_config(__rte_unused struct rte_cryptodev *dev,
87	__rte_unused struct rte_cryptodev_config *config)
88	{
89	return 0;
90	}
91
92	/** Start device */
93	static int
94	armv8_crypto_pmd_start(__rte_unused struct rte_cryptodev *dev)
95	{
96	return 0;
97	}
98
99	/** Stop device */
100	static void
101	armv8_crypto_pmd_stop(__rte_unused struct rte_cryptodev *dev)
102	{
103	}
104
105	/** Close device */
106	static int
107	armv8_crypto_pmd_close(__rte_unused struct rte_cryptodev *dev)
108	{
109	return 0;
110	}
111
112
113	/** Get device statistics */
114	static void
115	armv8_crypto_pmd_stats_get(struct rte_cryptodev *dev,
116	struct rte_cryptodev_stats *stats)
117	{
118	int qp_id;
119
120	for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
121	struct armv8_crypto_qp *qp = dev->data->queue_pairs[qp_id];
122
123	stats->enqueued_count += qp->stats.enqueued_count;
124	stats->dequeued_count += qp->stats.dequeued_count;
125
126	stats->enqueue_err_count += qp->stats.enqueue_err_count;
127	stats->dequeue_err_count += qp->stats.dequeue_err_count;
128	}
129	}
130
131	/** Reset device statistics */
132	static void
133	armv8_crypto_pmd_stats_reset(struct rte_cryptodev *dev)
134	{
135	int qp_id;
136
137	for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
138	struct armv8_crypto_qp *qp = dev->data->queue_pairs[qp_id];
139
140	memset(&qp->stats, 0, sizeof(qp->stats));
141	}
142	}
143
144
145	/** Get device info */
146	static void
147	armv8_crypto_pmd_info_get(struct rte_cryptodev *dev,
148	struct rte_cryptodev_info *dev_info)
149	{
150	struct armv8_crypto_private *internals = dev->data->dev_private;
151
152	if (dev_info != NULL) {
153	dev_info->driver_id = dev->driver_id;
154	dev_info->feature_flags = dev->feature_flags;
155	dev_info->capabilities = armv8_crypto_pmd_capabilities;
156	dev_info->max_nb_queue_pairs = internals->max_nb_qpairs;
157	/* No limit of number of sessions */
158	dev_info->sym.max_nb_sessions = 0;
159	}
160	}
161
162	/** Release queue pair */
163	static int
164	armv8_crypto_pmd_qp_release(struct rte_cryptodev *dev, uint16_t qp_id)
165	{
166
167	if (dev->data->queue_pairs[qp_id] != NULL) {
168	rte_free(dev->data->queue_pairs[qp_id]);
169	dev->data->queue_pairs[qp_id] = NULL;
170	}
171
172	return 0;
173	}
174
175	/** set a unique name for the queue pair based on it's name, dev_id and qp_id */
176	static int
177	armv8_crypto_pmd_qp_set_unique_name(struct rte_cryptodev *dev,
178	struct armv8_crypto_qp *qp)
179	{
180	unsigned int n;
181
182	n = snprintf(qp->name, sizeof(qp->name), "armv8_crypto_pmd_%u_qp_%u",
183	dev->data->dev_id, qp->id);
184
185	if (n >= sizeof(qp->name))
186	return -1;
187
188	return 0;
189	}
190
191
192	/** Create a ring to place processed operations on */
193	static struct rte_ring *
194	armv8_crypto_pmd_qp_create_processed_ops_ring(struct armv8_crypto_qp *qp,
195	unsigned int ring_size, int socket_id)
196	{
197	struct rte_ring *r;
198
199	r = rte_ring_lookup(qp->name);
200	if (r) {
201	if (rte_ring_get_size(r) >= ring_size) {
202	ARMV8_CRYPTO_LOG_INFO(
203	"Reusing existing ring %s for processed ops",
204	qp->name);
205	return r;
206	}
207
208	ARMV8_CRYPTO_LOG_ERR(
209	"Unable to reuse existing ring %s for processed ops",
210	qp->name);
211	return NULL;
212	}
213
214	return rte_ring_create(qp->name, ring_size, socket_id,
215	RING_F_SP_ENQ \| RING_F_SC_DEQ);
216	}
217
218
219	/** Setup a queue pair */
220	static int
221	armv8_crypto_pmd_qp_setup(struct rte_cryptodev *dev, uint16_t qp_id,
222	const struct rte_cryptodev_qp_conf *qp_conf,
9f95a23c	223	int socket_id)
11fdf7f2 TL	224	{
	225	struct armv8_crypto_qp *qp = NULL;
	226
	227	/* Free memory prior to re-allocation if needed. */
	228	if (dev->data->queue_pairs[qp_id] != NULL)
	229	armv8_crypto_pmd_qp_release(dev, qp_id);
	230
	231	/* Allocate the queue pair data structure. */
	232	qp = rte_zmalloc_socket("ARMv8 PMD Queue Pair", sizeof(*qp),
	233	RTE_CACHE_LINE_SIZE, socket_id);
	234	if (qp == NULL)
	235	return -ENOMEM;
	236
	237	qp->id = qp_id;
	238	dev->data->queue_pairs[qp_id] = qp;
	239
	240	if (armv8_crypto_pmd_qp_set_unique_name(dev, qp) != 0)
	241	goto qp_setup_cleanup;
	242
	243	qp->processed_ops = armv8_crypto_pmd_qp_create_processed_ops_ring(qp,
	244	qp_conf->nb_descriptors, socket_id);
	245	if (qp->processed_ops == NULL)
	246	goto qp_setup_cleanup;
	247
9f95a23c TL	248	qp->sess_mp = qp_conf->mp_session;
9f95a23c TL	249	qp->sess_mp_priv = qp_conf->mp_session_private;
11fdf7f2 TL	250
	251	memset(&qp->stats, 0, sizeof(qp->stats));
	252
	253	return 0;
	254
	255	qp_setup_cleanup:
	256	if (qp)
	257	rte_free(qp);
	258
	259	return -1;
	260	}
	261
	262	/** Return the number of allocated queue pairs */
	263	static uint32_t
	264	armv8_crypto_pmd_qp_count(struct rte_cryptodev *dev)
	265	{
	266	return dev->data->nb_queue_pairs;
	267	}
	268
	269	/** Returns the size of the session structure */
	270	static unsigned
	271	armv8_crypto_pmd_sym_session_get_size(struct rte_cryptodev *dev __rte_unused)
	272	{
	273	return sizeof(struct armv8_crypto_session);
	274	}
	275
	276	/** Configure the session from a crypto xform chain */
	277	static int
	278	armv8_crypto_pmd_sym_session_configure(struct rte_cryptodev *dev,
	279	struct rte_crypto_sym_xform *xform,
	280	struct rte_cryptodev_sym_session *sess,
	281	struct rte_mempool *mempool)
	282	{
	283	void *sess_private_data;
	284	int ret;
	285
	286	if (unlikely(sess == NULL)) {
	287	ARMV8_CRYPTO_LOG_ERR("invalid session struct");
	288	return -EINVAL;
	289	}
	290
	291	if (rte_mempool_get(mempool, &sess_private_data)) {
	292	CDEV_LOG_ERR(
	293	"Couldn't get object from session mempool");
	294	return -ENOMEM;
	295	}
	296
	297	ret = armv8_crypto_set_session_parameters(sess_private_data, xform);
	298	if (ret != 0) {
	299	ARMV8_CRYPTO_LOG_ERR("failed configure session parameters");
	300
	301	/* Return session to mempool */
	302	rte_mempool_put(mempool, sess_private_data);
	303	return ret;
	304	}
	305
	306	set_sym_session_private_data(sess, dev->driver_id,
	307	sess_private_data);
	308
	309	return 0;
	310	}
	311
	312	/** Clear the memory of session so it doesn't leave key material behind */
	313	static void
314	armv8_crypto_pmd_sym_session_clear(struct rte_cryptodev *dev,
315	struct rte_cryptodev_sym_session *sess)
316	{
317	uint8_t index = dev->driver_id;
318	void *sess_priv = get_sym_session_private_data(sess, index);
319
320	/* Zero out the whole structure */
321	if (sess_priv) {
322	memset(sess_priv, 0, sizeof(struct armv8_crypto_session));
323	struct rte_mempool *sess_mp = rte_mempool_from_obj(sess_priv);
324	set_sym_session_private_data(sess, index, NULL);
325	rte_mempool_put(sess_mp, sess_priv);
326	}
327	}
328
329	struct rte_cryptodev_ops armv8_crypto_pmd_ops = {
330	.dev_configure = armv8_crypto_pmd_config,
331	.dev_start = armv8_crypto_pmd_start,
332	.dev_stop = armv8_crypto_pmd_stop,
333	.dev_close = armv8_crypto_pmd_close,
334
335	.stats_get = armv8_crypto_pmd_stats_get,
336	.stats_reset = armv8_crypto_pmd_stats_reset,
337
338	.dev_infos_get = armv8_crypto_pmd_info_get,
339
340	.queue_pair_setup = armv8_crypto_pmd_qp_setup,
341	.queue_pair_release = armv8_crypto_pmd_qp_release,
342	.queue_pair_count = armv8_crypto_pmd_qp_count,
343
344	.sym_session_get_size = armv8_crypto_pmd_sym_session_get_size,
345	.sym_session_configure = armv8_crypto_pmd_sym_session_configure,
346	.sym_session_clear = armv8_crypto_pmd_sym_session_clear
347	};
348
349	struct rte_cryptodev_ops *rte_armv8_crypto_pmd_ops = &armv8_crypto_pmd_ops;