1 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
3 * Copyright 2013-2016 Freescale Semiconductor Inc.
4 * Copyright 2017-2018 NXP
7 #include <linux/fsl/mc.h>
9 #include "dpseci_cmd.h"
12 * dpseci_open() - Open a control session for the specified object
13 * @mc_io: Pointer to MC portal's I/O object
14 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
15 * @dpseci_id: DPSECI unique ID
16 * @token: Returned token; use in subsequent API calls
18 * This function can be used to open a control session for an already created
19 * object; an object may have been declared statically in the DPL
20 * or created dynamically.
21 * This function returns a unique authentication token, associated with the
22 * specific object ID and the specific MC portal; this token must be used in all
23 * subsequent commands for this specific object.
25 * Return: '0' on success, error code otherwise
27 int dpseci_open(struct fsl_mc_io *mc_io, u32 cmd_flags, int dpseci_id,
30 struct fsl_mc_command cmd = { 0 };
31 struct dpseci_cmd_open *cmd_params;
34 cmd.header = mc_encode_cmd_header(DPSECI_CMDID_OPEN,
37 cmd_params = (struct dpseci_cmd_open *)cmd.params;
38 cmd_params->dpseci_id = cpu_to_le32(dpseci_id);
39 err = mc_send_command(mc_io, &cmd);
43 *token = mc_cmd_hdr_read_token(&cmd);
49 * dpseci_close() - Close the control session of the object
50 * @mc_io: Pointer to MC portal's I/O object
51 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
52 * @token: Token of DPSECI object
54 * After this function is called, no further operations are allowed on the
55 * object without opening a new control session.
57 * Return: '0' on success, error code otherwise
59 int dpseci_close(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token)
61 struct fsl_mc_command cmd = { 0 };
63 cmd.header = mc_encode_cmd_header(DPSECI_CMDID_CLOSE,
66 return mc_send_command(mc_io, &cmd);
70 * dpseci_enable() - Enable the DPSECI, allow sending and receiving frames
71 * @mc_io: Pointer to MC portal's I/O object
72 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
73 * @token: Token of DPSECI object
75 * Return: '0' on success, error code otherwise
77 int dpseci_enable(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token)
79 struct fsl_mc_command cmd = { 0 };
81 cmd.header = mc_encode_cmd_header(DPSECI_CMDID_ENABLE,
84 return mc_send_command(mc_io, &cmd);
88 * dpseci_disable() - Disable the DPSECI, stop sending and receiving frames
89 * @mc_io: Pointer to MC portal's I/O object
90 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
91 * @token: Token of DPSECI object
93 * Return: '0' on success, error code otherwise
95 int dpseci_disable(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token)
97 struct fsl_mc_command cmd = { 0 };
99 cmd.header = mc_encode_cmd_header(DPSECI_CMDID_DISABLE,
103 return mc_send_command(mc_io, &cmd);
107 * dpseci_is_enabled() - Check if the DPSECI is enabled.
108 * @mc_io: Pointer to MC portal's I/O object
109 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
110 * @token: Token of DPSECI object
111 * @en: Returns '1' if object is enabled; '0' otherwise
113 * Return: '0' on success, error code otherwise
115 int dpseci_is_enabled(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
118 struct fsl_mc_command cmd = { 0 };
119 struct dpseci_rsp_is_enabled *rsp_params;
122 cmd.header = mc_encode_cmd_header(DPSECI_CMDID_IS_ENABLED,
125 err = mc_send_command(mc_io, &cmd);
129 rsp_params = (struct dpseci_rsp_is_enabled *)cmd.params;
130 *en = dpseci_get_field(rsp_params->is_enabled, ENABLE);
136 * dpseci_get_attributes() - Retrieve DPSECI attributes
137 * @mc_io: Pointer to MC portal's I/O object
138 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
139 * @token: Token of DPSECI object
140 * @attr: Returned object's attributes
142 * Return: '0' on success, error code otherwise
144 int dpseci_get_attributes(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
145 struct dpseci_attr *attr)
147 struct fsl_mc_command cmd = { 0 };
148 struct dpseci_rsp_get_attributes *rsp_params;
151 cmd.header = mc_encode_cmd_header(DPSECI_CMDID_GET_ATTR,
154 err = mc_send_command(mc_io, &cmd);
158 rsp_params = (struct dpseci_rsp_get_attributes *)cmd.params;
159 attr->id = le32_to_cpu(rsp_params->id);
160 attr->num_tx_queues = rsp_params->num_tx_queues;
161 attr->num_rx_queues = rsp_params->num_rx_queues;
162 attr->options = le32_to_cpu(rsp_params->options);
168 * dpseci_set_rx_queue() - Set Rx queue configuration
169 * @mc_io: Pointer to MC portal's I/O object
170 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
171 * @token: Token of DPSECI object
172 * @queue: Select the queue relative to number of priorities configured at
173 * DPSECI creation; use DPSECI_ALL_QUEUES to configure all
174 * Rx queues identically.
175 * @cfg: Rx queue configuration
177 * Return: '0' on success, error code otherwise
179 int dpseci_set_rx_queue(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
180 u8 queue, const struct dpseci_rx_queue_cfg *cfg)
182 struct fsl_mc_command cmd = { 0 };
183 struct dpseci_cmd_queue *cmd_params;
185 cmd.header = mc_encode_cmd_header(DPSECI_CMDID_SET_RX_QUEUE,
188 cmd_params = (struct dpseci_cmd_queue *)cmd.params;
189 cmd_params->dest_id = cpu_to_le32(cfg->dest_cfg.dest_id);
190 cmd_params->priority = cfg->dest_cfg.priority;
191 cmd_params->queue = queue;
192 dpseci_set_field(cmd_params->dest_type, DEST_TYPE,
193 cfg->dest_cfg.dest_type);
194 cmd_params->user_ctx = cpu_to_le64(cfg->user_ctx);
195 cmd_params->options = cpu_to_le32(cfg->options);
196 dpseci_set_field(cmd_params->order_preservation_en, ORDER_PRESERVATION,
197 cfg->order_preservation_en);
199 return mc_send_command(mc_io, &cmd);
203 * dpseci_get_rx_queue() - Retrieve Rx queue attributes
204 * @mc_io: Pointer to MC portal's I/O object
205 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
206 * @token: Token of DPSECI object
207 * @queue: Select the queue relative to number of priorities configured at
209 * @attr: Returned Rx queue attributes
211 * Return: '0' on success, error code otherwise
213 int dpseci_get_rx_queue(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
214 u8 queue, struct dpseci_rx_queue_attr *attr)
216 struct fsl_mc_command cmd = { 0 };
217 struct dpseci_cmd_queue *cmd_params;
220 cmd.header = mc_encode_cmd_header(DPSECI_CMDID_GET_RX_QUEUE,
223 cmd_params = (struct dpseci_cmd_queue *)cmd.params;
224 cmd_params->queue = queue;
225 err = mc_send_command(mc_io, &cmd);
229 attr->dest_cfg.dest_id = le32_to_cpu(cmd_params->dest_id);
230 attr->dest_cfg.priority = cmd_params->priority;
231 attr->dest_cfg.dest_type = dpseci_get_field(cmd_params->dest_type,
233 attr->user_ctx = le64_to_cpu(cmd_params->user_ctx);
234 attr->fqid = le32_to_cpu(cmd_params->fqid);
235 attr->order_preservation_en =
236 dpseci_get_field(cmd_params->order_preservation_en,
243 * dpseci_get_tx_queue() - Retrieve Tx queue attributes
244 * @mc_io: Pointer to MC portal's I/O object
245 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
246 * @token: Token of DPSECI object
247 * @queue: Select the queue relative to number of priorities configured at
249 * @attr: Returned Tx queue attributes
251 * Return: '0' on success, error code otherwise
253 int dpseci_get_tx_queue(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
254 u8 queue, struct dpseci_tx_queue_attr *attr)
256 struct fsl_mc_command cmd = { 0 };
257 struct dpseci_cmd_queue *cmd_params;
258 struct dpseci_rsp_get_tx_queue *rsp_params;
261 cmd.header = mc_encode_cmd_header(DPSECI_CMDID_GET_TX_QUEUE,
264 cmd_params = (struct dpseci_cmd_queue *)cmd.params;
265 cmd_params->queue = queue;
266 err = mc_send_command(mc_io, &cmd);
270 rsp_params = (struct dpseci_rsp_get_tx_queue *)cmd.params;
271 attr->fqid = le32_to_cpu(rsp_params->fqid);
272 attr->priority = rsp_params->priority;
278 * dpseci_get_sec_attr() - Retrieve SEC accelerator attributes
279 * @mc_io: Pointer to MC portal's I/O object
280 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
281 * @token: Token of DPSECI object
282 * @attr: Returned SEC attributes
284 * Return: '0' on success, error code otherwise
286 int dpseci_get_sec_attr(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
287 struct dpseci_sec_attr *attr)
289 struct fsl_mc_command cmd = { 0 };
290 struct dpseci_rsp_get_sec_attr *rsp_params;
293 cmd.header = mc_encode_cmd_header(DPSECI_CMDID_GET_SEC_ATTR,
296 err = mc_send_command(mc_io, &cmd);
300 rsp_params = (struct dpseci_rsp_get_sec_attr *)cmd.params;
301 attr->ip_id = le16_to_cpu(rsp_params->ip_id);
302 attr->major_rev = rsp_params->major_rev;
303 attr->minor_rev = rsp_params->minor_rev;
304 attr->era = rsp_params->era;
305 attr->deco_num = rsp_params->deco_num;
306 attr->zuc_auth_acc_num = rsp_params->zuc_auth_acc_num;
307 attr->zuc_enc_acc_num = rsp_params->zuc_enc_acc_num;
308 attr->snow_f8_acc_num = rsp_params->snow_f8_acc_num;
309 attr->snow_f9_acc_num = rsp_params->snow_f9_acc_num;
310 attr->crc_acc_num = rsp_params->crc_acc_num;
311 attr->pk_acc_num = rsp_params->pk_acc_num;
312 attr->kasumi_acc_num = rsp_params->kasumi_acc_num;
313 attr->rng_acc_num = rsp_params->rng_acc_num;
314 attr->md_acc_num = rsp_params->md_acc_num;
315 attr->arc4_acc_num = rsp_params->arc4_acc_num;
316 attr->des_acc_num = rsp_params->des_acc_num;
317 attr->aes_acc_num = rsp_params->aes_acc_num;
318 attr->ccha_acc_num = rsp_params->ccha_acc_num;
319 attr->ptha_acc_num = rsp_params->ptha_acc_num;
325 * dpseci_get_api_version() - Get Data Path SEC Interface API version
326 * @mc_io: Pointer to MC portal's I/O object
327 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
328 * @major_ver: Major version of data path sec API
329 * @minor_ver: Minor version of data path sec API
331 * Return: '0' on success, error code otherwise
333 int dpseci_get_api_version(struct fsl_mc_io *mc_io, u32 cmd_flags,
334 u16 *major_ver, u16 *minor_ver)
336 struct fsl_mc_command cmd = { 0 };
337 struct dpseci_rsp_get_api_version *rsp_params;
340 cmd.header = mc_encode_cmd_header(DPSECI_CMDID_GET_API_VERSION,
342 err = mc_send_command(mc_io, &cmd);
346 rsp_params = (struct dpseci_rsp_get_api_version *)cmd.params;
347 *major_ver = le16_to_cpu(rsp_params->major);
348 *minor_ver = le16_to_cpu(rsp_params->minor);
354 * dpseci_set_congestion_notification() - Set congestion group
355 * notification configuration
356 * @mc_io: Pointer to MC portal's I/O object
357 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
358 * @token: Token of DPSECI object
359 * @cfg: congestion notification configuration
361 * Return: '0' on success, error code otherwise
363 int dpseci_set_congestion_notification(struct fsl_mc_io *mc_io, u32 cmd_flags,
364 u16 token, const struct dpseci_congestion_notification_cfg *cfg)
366 struct fsl_mc_command cmd = { 0 };
367 struct dpseci_cmd_congestion_notification *cmd_params;
369 cmd.header = mc_encode_cmd_header(
370 DPSECI_CMDID_SET_CONGESTION_NOTIFICATION,
373 cmd_params = (struct dpseci_cmd_congestion_notification *)cmd.params;
374 cmd_params->dest_id = cpu_to_le32(cfg->dest_cfg.dest_id);
375 cmd_params->notification_mode = cpu_to_le16(cfg->notification_mode);
376 cmd_params->priority = cfg->dest_cfg.priority;
377 dpseci_set_field(cmd_params->options, CGN_DEST_TYPE,
378 cfg->dest_cfg.dest_type);
379 dpseci_set_field(cmd_params->options, CGN_UNITS, cfg->units);
380 cmd_params->message_iova = cpu_to_le64(cfg->message_iova);
381 cmd_params->message_ctx = cpu_to_le64(cfg->message_ctx);
382 cmd_params->threshold_entry = cpu_to_le32(cfg->threshold_entry);
383 cmd_params->threshold_exit = cpu_to_le32(cfg->threshold_exit);
385 return mc_send_command(mc_io, &cmd);
389 * dpseci_get_congestion_notification() - Get congestion group notification
391 * @mc_io: Pointer to MC portal's I/O object
392 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
393 * @token: Token of DPSECI object
394 * @cfg: congestion notification configuration
396 * Return: '0' on success, error code otherwise
398 int dpseci_get_congestion_notification(struct fsl_mc_io *mc_io, u32 cmd_flags,
399 u16 token, struct dpseci_congestion_notification_cfg *cfg)
401 struct fsl_mc_command cmd = { 0 };
402 struct dpseci_cmd_congestion_notification *rsp_params;
405 cmd.header = mc_encode_cmd_header(
406 DPSECI_CMDID_GET_CONGESTION_NOTIFICATION,
409 err = mc_send_command(mc_io, &cmd);
413 rsp_params = (struct dpseci_cmd_congestion_notification *)cmd.params;
414 cfg->dest_cfg.dest_id = le32_to_cpu(rsp_params->dest_id);
415 cfg->notification_mode = le16_to_cpu(rsp_params->notification_mode);
416 cfg->dest_cfg.priority = rsp_params->priority;
417 cfg->dest_cfg.dest_type = dpseci_get_field(rsp_params->options,
419 cfg->units = dpseci_get_field(rsp_params->options, CGN_UNITS);
420 cfg->message_iova = le64_to_cpu(rsp_params->message_iova);
421 cfg->message_ctx = le64_to_cpu(rsp_params->message_ctx);
422 cfg->threshold_entry = le32_to_cpu(rsp_params->threshold_entry);
423 cfg->threshold_exit = le32_to_cpu(rsp_params->threshold_exit);