1 /* QLogic qed NIC Driver
2  * Copyright (c) 2015-2017  QLogic Corporation
3  *
4  * This software is available to you under a choice of one of two
5  * licenses.  You may choose to be licensed under the terms of the GNU
6  * General Public License (GPL) Version 2, available from the file
7  * COPYING in the main directory of this source tree, or the
8  * OpenIB.org BSD license below:
9  *
10  *     Redistribution and use in source and binary forms, with or
11  *     without modification, are permitted provided that the following
12  *     conditions are met:
13  *
14  *      - Redistributions of source code must retain the above
15  *        copyright notice, this list of conditions and the following
16  *        disclaimer.
17  *
18  *      - Redistributions in binary form must reproduce the above
19  *        copyright notice, this list of conditions and the following
20  *        disclaimer in the documentation and /or other materials
21  *        provided with the distribution.
22  *
23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30  * SOFTWARE.
31  */
32 
33 #include <linux/types.h>
34 #include <asm/byteorder.h>
35 #include <linux/bitops.h>
36 #include <linux/errno.h>
37 #include <linux/kernel.h>
38 #include <linux/string.h>
39 #include "qed.h"
40 #include <linux/qed/qed_chain.h>
41 #include "qed_cxt.h"
42 #include "qed_dcbx.h"
43 #include "qed_hsi.h"
44 #include "qed_hw.h"
45 #include "qed_int.h"
46 #include "qed_reg_addr.h"
47 #include "qed_sp.h"
48 #include "qed_sriov.h"
49 
50 int qed_sp_init_request(struct qed_hwfn *p_hwfn,
51 			struct qed_spq_entry **pp_ent,
52 			u8 cmd, u8 protocol, struct qed_sp_init_data *p_data)
53 {
54 	u32 opaque_cid = p_data->opaque_fid << 16 | p_data->cid;
55 	struct qed_spq_entry *p_ent = NULL;
56 	int rc;
57 
58 	if (!pp_ent)
59 		return -ENOMEM;
60 
61 	rc = qed_spq_get_entry(p_hwfn, pp_ent);
62 
63 	if (rc)
64 		return rc;
65 
66 	p_ent = *pp_ent;
67 
68 	p_ent->elem.hdr.cid		= cpu_to_le32(opaque_cid);
69 	p_ent->elem.hdr.cmd_id		= cmd;
70 	p_ent->elem.hdr.protocol_id	= protocol;
71 
72 	p_ent->priority		= QED_SPQ_PRIORITY_NORMAL;
73 	p_ent->comp_mode	= p_data->comp_mode;
74 	p_ent->comp_done.done	= 0;
75 
76 	switch (p_ent->comp_mode) {
77 	case QED_SPQ_MODE_EBLOCK:
78 		p_ent->comp_cb.cookie = &p_ent->comp_done;
79 		break;
80 
81 	case QED_SPQ_MODE_BLOCK:
82 		if (!p_data->p_comp_data)
83 			return -EINVAL;
84 
85 		p_ent->comp_cb.cookie = p_data->p_comp_data->cookie;
86 		break;
87 
88 	case QED_SPQ_MODE_CB:
89 		if (!p_data->p_comp_data)
90 			p_ent->comp_cb.function = NULL;
91 		else
92 			p_ent->comp_cb = *p_data->p_comp_data;
93 		break;
94 
95 	default:
96 		DP_NOTICE(p_hwfn, "Unknown SPQE completion mode %d\n",
97 			  p_ent->comp_mode);
98 		return -EINVAL;
99 	}
100 
101 	DP_VERBOSE(p_hwfn, QED_MSG_SPQ,
102 		   "Initialized: CID %08x cmd %02x protocol %02x data_addr %lu comp_mode [%s]\n",
103 		   opaque_cid, cmd, protocol,
104 		   (unsigned long)&p_ent->ramrod,
105 		   D_TRINE(p_ent->comp_mode, QED_SPQ_MODE_EBLOCK,
106 			   QED_SPQ_MODE_BLOCK, "MODE_EBLOCK", "MODE_BLOCK",
107 			   "MODE_CB"));
108 
109 	memset(&p_ent->ramrod, 0, sizeof(p_ent->ramrod));
110 
111 	return 0;
112 }
113 
114 static enum tunnel_clss qed_tunn_get_clss_type(u8 type)
115 {
116 	switch (type) {
117 	case QED_TUNN_CLSS_MAC_VLAN:
118 		return TUNNEL_CLSS_MAC_VLAN;
119 	case QED_TUNN_CLSS_MAC_VNI:
120 		return TUNNEL_CLSS_MAC_VNI;
121 	case QED_TUNN_CLSS_INNER_MAC_VLAN:
122 		return TUNNEL_CLSS_INNER_MAC_VLAN;
123 	case QED_TUNN_CLSS_INNER_MAC_VNI:
124 		return TUNNEL_CLSS_INNER_MAC_VNI;
125 	default:
126 		return TUNNEL_CLSS_MAC_VLAN;
127 	}
128 }
129 
130 static void
131 qed_tunn_set_pf_fix_tunn_mode(struct qed_hwfn *p_hwfn,
132 			      struct qed_tunn_update_params *p_src,
133 			      struct pf_update_tunnel_config *p_tunn_cfg)
134 {
135 	unsigned long cached_tunn_mode = p_hwfn->cdev->tunn_mode;
136 	unsigned long update_mask = p_src->tunn_mode_update_mask;
137 	unsigned long tunn_mode = p_src->tunn_mode;
138 	unsigned long new_tunn_mode = 0;
139 
140 	if (test_bit(QED_MODE_L2GRE_TUNN, &update_mask)) {
141 		if (test_bit(QED_MODE_L2GRE_TUNN, &tunn_mode))
142 			__set_bit(QED_MODE_L2GRE_TUNN, &new_tunn_mode);
143 	} else {
144 		if (test_bit(QED_MODE_L2GRE_TUNN, &cached_tunn_mode))
145 			__set_bit(QED_MODE_L2GRE_TUNN, &new_tunn_mode);
146 	}
147 
148 	if (test_bit(QED_MODE_IPGRE_TUNN, &update_mask)) {
149 		if (test_bit(QED_MODE_IPGRE_TUNN, &tunn_mode))
150 			__set_bit(QED_MODE_IPGRE_TUNN, &new_tunn_mode);
151 	} else {
152 		if (test_bit(QED_MODE_IPGRE_TUNN, &cached_tunn_mode))
153 			__set_bit(QED_MODE_IPGRE_TUNN, &new_tunn_mode);
154 	}
155 
156 	if (test_bit(QED_MODE_VXLAN_TUNN, &update_mask)) {
157 		if (test_bit(QED_MODE_VXLAN_TUNN, &tunn_mode))
158 			__set_bit(QED_MODE_VXLAN_TUNN, &new_tunn_mode);
159 	} else {
160 		if (test_bit(QED_MODE_VXLAN_TUNN, &cached_tunn_mode))
161 			__set_bit(QED_MODE_VXLAN_TUNN, &new_tunn_mode);
162 	}
163 
164 	if (p_src->update_geneve_udp_port) {
165 		p_tunn_cfg->set_geneve_udp_port_flg = 1;
166 		p_tunn_cfg->geneve_udp_port =
167 				cpu_to_le16(p_src->geneve_udp_port);
168 	}
169 
170 	if (test_bit(QED_MODE_L2GENEVE_TUNN, &update_mask)) {
171 		if (test_bit(QED_MODE_L2GENEVE_TUNN, &tunn_mode))
172 			__set_bit(QED_MODE_L2GENEVE_TUNN, &new_tunn_mode);
173 	} else {
174 		if (test_bit(QED_MODE_L2GENEVE_TUNN, &cached_tunn_mode))
175 			__set_bit(QED_MODE_L2GENEVE_TUNN, &new_tunn_mode);
176 	}
177 
178 	if (test_bit(QED_MODE_IPGENEVE_TUNN, &update_mask)) {
179 		if (test_bit(QED_MODE_IPGENEVE_TUNN, &tunn_mode))
180 			__set_bit(QED_MODE_IPGENEVE_TUNN, &new_tunn_mode);
181 	} else {
182 		if (test_bit(QED_MODE_IPGENEVE_TUNN, &cached_tunn_mode))
183 			__set_bit(QED_MODE_IPGENEVE_TUNN, &new_tunn_mode);
184 	}
185 
186 	p_src->tunn_mode = new_tunn_mode;
187 }
188 
189 static void
190 qed_tunn_set_pf_update_params(struct qed_hwfn *p_hwfn,
191 			      struct qed_tunn_update_params *p_src,
192 			      struct pf_update_tunnel_config *p_tunn_cfg)
193 {
194 	unsigned long tunn_mode = p_src->tunn_mode;
195 	enum tunnel_clss type;
196 
197 	qed_tunn_set_pf_fix_tunn_mode(p_hwfn, p_src, p_tunn_cfg);
198 	p_tunn_cfg->update_rx_pf_clss = p_src->update_rx_pf_clss;
199 	p_tunn_cfg->update_tx_pf_clss = p_src->update_tx_pf_clss;
200 
201 	type = qed_tunn_get_clss_type(p_src->tunn_clss_vxlan);
202 	p_tunn_cfg->tunnel_clss_vxlan  = type;
203 
204 	type = qed_tunn_get_clss_type(p_src->tunn_clss_l2gre);
205 	p_tunn_cfg->tunnel_clss_l2gre = type;
206 
207 	type = qed_tunn_get_clss_type(p_src->tunn_clss_ipgre);
208 	p_tunn_cfg->tunnel_clss_ipgre = type;
209 
210 	if (p_src->update_vxlan_udp_port) {
211 		p_tunn_cfg->set_vxlan_udp_port_flg = 1;
212 		p_tunn_cfg->vxlan_udp_port = cpu_to_le16(p_src->vxlan_udp_port);
213 	}
214 
215 	if (test_bit(QED_MODE_L2GRE_TUNN, &tunn_mode))
216 		p_tunn_cfg->tx_enable_l2gre = 1;
217 
218 	if (test_bit(QED_MODE_IPGRE_TUNN, &tunn_mode))
219 		p_tunn_cfg->tx_enable_ipgre = 1;
220 
221 	if (test_bit(QED_MODE_VXLAN_TUNN, &tunn_mode))
222 		p_tunn_cfg->tx_enable_vxlan = 1;
223 
224 	if (p_src->update_geneve_udp_port) {
225 		p_tunn_cfg->set_geneve_udp_port_flg = 1;
226 		p_tunn_cfg->geneve_udp_port =
227 				cpu_to_le16(p_src->geneve_udp_port);
228 	}
229 
230 	if (test_bit(QED_MODE_L2GENEVE_TUNN, &tunn_mode))
231 		p_tunn_cfg->tx_enable_l2geneve = 1;
232 
233 	if (test_bit(QED_MODE_IPGENEVE_TUNN, &tunn_mode))
234 		p_tunn_cfg->tx_enable_ipgeneve = 1;
235 
236 	type = qed_tunn_get_clss_type(p_src->tunn_clss_l2geneve);
237 	p_tunn_cfg->tunnel_clss_l2geneve = type;
238 
239 	type = qed_tunn_get_clss_type(p_src->tunn_clss_ipgeneve);
240 	p_tunn_cfg->tunnel_clss_ipgeneve = type;
241 }
242 
243 static void qed_set_hw_tunn_mode(struct qed_hwfn *p_hwfn,
244 				 struct qed_ptt *p_ptt,
245 				 unsigned long tunn_mode)
246 {
247 	u8 l2gre_enable = 0, ipgre_enable = 0, vxlan_enable = 0;
248 	u8 l2geneve_enable = 0, ipgeneve_enable = 0;
249 
250 	if (test_bit(QED_MODE_L2GRE_TUNN, &tunn_mode))
251 		l2gre_enable = 1;
252 
253 	if (test_bit(QED_MODE_IPGRE_TUNN, &tunn_mode))
254 		ipgre_enable = 1;
255 
256 	if (test_bit(QED_MODE_VXLAN_TUNN, &tunn_mode))
257 		vxlan_enable = 1;
258 
259 	qed_set_gre_enable(p_hwfn, p_ptt, l2gre_enable, ipgre_enable);
260 	qed_set_vxlan_enable(p_hwfn, p_ptt, vxlan_enable);
261 
262 	if (test_bit(QED_MODE_L2GENEVE_TUNN, &tunn_mode))
263 		l2geneve_enable = 1;
264 
265 	if (test_bit(QED_MODE_IPGENEVE_TUNN, &tunn_mode))
266 		ipgeneve_enable = 1;
267 
268 	qed_set_geneve_enable(p_hwfn, p_ptt, l2geneve_enable,
269 			      ipgeneve_enable);
270 }
271 
272 static void
273 qed_tunn_set_pf_start_params(struct qed_hwfn *p_hwfn,
274 			     struct qed_tunn_start_params *p_src,
275 			     struct pf_start_tunnel_config *p_tunn_cfg)
276 {
277 	unsigned long tunn_mode;
278 	enum tunnel_clss type;
279 
280 	if (!p_src)
281 		return;
282 
283 	tunn_mode = p_src->tunn_mode;
284 	type = qed_tunn_get_clss_type(p_src->tunn_clss_vxlan);
285 	p_tunn_cfg->tunnel_clss_vxlan = type;
286 	type = qed_tunn_get_clss_type(p_src->tunn_clss_l2gre);
287 	p_tunn_cfg->tunnel_clss_l2gre = type;
288 	type = qed_tunn_get_clss_type(p_src->tunn_clss_ipgre);
289 	p_tunn_cfg->tunnel_clss_ipgre = type;
290 
291 	if (p_src->update_vxlan_udp_port) {
292 		p_tunn_cfg->set_vxlan_udp_port_flg = 1;
293 		p_tunn_cfg->vxlan_udp_port = cpu_to_le16(p_src->vxlan_udp_port);
294 	}
295 
296 	if (test_bit(QED_MODE_L2GRE_TUNN, &tunn_mode))
297 		p_tunn_cfg->tx_enable_l2gre = 1;
298 
299 	if (test_bit(QED_MODE_IPGRE_TUNN, &tunn_mode))
300 		p_tunn_cfg->tx_enable_ipgre = 1;
301 
302 	if (test_bit(QED_MODE_VXLAN_TUNN, &tunn_mode))
303 		p_tunn_cfg->tx_enable_vxlan = 1;
304 
305 	if (p_src->update_geneve_udp_port) {
306 		p_tunn_cfg->set_geneve_udp_port_flg = 1;
307 		p_tunn_cfg->geneve_udp_port =
308 				cpu_to_le16(p_src->geneve_udp_port);
309 	}
310 
311 	if (test_bit(QED_MODE_L2GENEVE_TUNN, &tunn_mode))
312 		p_tunn_cfg->tx_enable_l2geneve = 1;
313 
314 	if (test_bit(QED_MODE_IPGENEVE_TUNN, &tunn_mode))
315 		p_tunn_cfg->tx_enable_ipgeneve = 1;
316 
317 	type = qed_tunn_get_clss_type(p_src->tunn_clss_l2geneve);
318 	p_tunn_cfg->tunnel_clss_l2geneve = type;
319 	type = qed_tunn_get_clss_type(p_src->tunn_clss_ipgeneve);
320 	p_tunn_cfg->tunnel_clss_ipgeneve = type;
321 }
322 
323 int qed_sp_pf_start(struct qed_hwfn *p_hwfn,
324 		    struct qed_tunn_start_params *p_tunn,
325 		    enum qed_mf_mode mode, bool allow_npar_tx_switch)
326 {
327 	struct pf_start_ramrod_data *p_ramrod = NULL;
328 	u16 sb = qed_int_get_sp_sb_id(p_hwfn);
329 	u8 sb_index = p_hwfn->p_eq->eq_sb_index;
330 	struct qed_spq_entry *p_ent = NULL;
331 	struct qed_sp_init_data init_data;
332 	int rc = -EINVAL;
333 	u8 page_cnt;
334 
335 	/* update initial eq producer */
336 	qed_eq_prod_update(p_hwfn,
337 			   qed_chain_get_prod_idx(&p_hwfn->p_eq->chain));
338 
339 	memset(&init_data, 0, sizeof(init_data));
340 	init_data.cid = qed_spq_get_cid(p_hwfn);
341 	init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
342 	init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
343 
344 	rc = qed_sp_init_request(p_hwfn, &p_ent,
345 				 COMMON_RAMROD_PF_START,
346 				 PROTOCOLID_COMMON, &init_data);
347 	if (rc)
348 		return rc;
349 
350 	p_ramrod = &p_ent->ramrod.pf_start;
351 
352 	p_ramrod->event_ring_sb_id	= cpu_to_le16(sb);
353 	p_ramrod->event_ring_sb_index	= sb_index;
354 	p_ramrod->path_id		= QED_PATH_ID(p_hwfn);
355 	p_ramrod->dont_log_ramrods	= 0;
356 	p_ramrod->log_type_mask		= cpu_to_le16(0xf);
357 
358 	switch (mode) {
359 	case QED_MF_DEFAULT:
360 	case QED_MF_NPAR:
361 		p_ramrod->mf_mode = MF_NPAR;
362 		break;
363 	case QED_MF_OVLAN:
364 		p_ramrod->mf_mode = MF_OVLAN;
365 		break;
366 	default:
367 		DP_NOTICE(p_hwfn, "Unsupported MF mode, init as DEFAULT\n");
368 		p_ramrod->mf_mode = MF_NPAR;
369 	}
370 	p_ramrod->outer_tag = p_hwfn->hw_info.ovlan;
371 
372 	/* Place EQ address in RAMROD */
373 	DMA_REGPAIR_LE(p_ramrod->event_ring_pbl_addr,
374 		       p_hwfn->p_eq->chain.pbl_sp.p_phys_table);
375 	page_cnt = (u8)qed_chain_get_page_cnt(&p_hwfn->p_eq->chain);
376 	p_ramrod->event_ring_num_pages = page_cnt;
377 	DMA_REGPAIR_LE(p_ramrod->consolid_q_pbl_addr,
378 		       p_hwfn->p_consq->chain.pbl_sp.p_phys_table);
379 
380 	qed_tunn_set_pf_start_params(p_hwfn, p_tunn, &p_ramrod->tunnel_config);
381 
382 	if (IS_MF_SI(p_hwfn))
383 		p_ramrod->allow_npar_tx_switching = allow_npar_tx_switch;
384 
385 	switch (p_hwfn->hw_info.personality) {
386 	case QED_PCI_ETH:
387 		p_ramrod->personality = PERSONALITY_ETH;
388 		break;
389 	case QED_PCI_FCOE:
390 		p_ramrod->personality = PERSONALITY_FCOE;
391 		break;
392 	case QED_PCI_ISCSI:
393 		p_ramrod->personality = PERSONALITY_ISCSI;
394 		break;
395 	case QED_PCI_ETH_ROCE:
396 		p_ramrod->personality = PERSONALITY_RDMA_AND_ETH;
397 		break;
398 	default:
399 		DP_NOTICE(p_hwfn, "Unknown personality %d\n",
400 			  p_hwfn->hw_info.personality);
401 		p_ramrod->personality = PERSONALITY_ETH;
402 	}
403 
404 	if (p_hwfn->cdev->p_iov_info) {
405 		struct qed_hw_sriov_info *p_iov = p_hwfn->cdev->p_iov_info;
406 
407 		p_ramrod->base_vf_id = (u8) p_iov->first_vf_in_pf;
408 		p_ramrod->num_vfs = (u8) p_iov->total_vfs;
409 	}
410 	p_ramrod->hsi_fp_ver.major_ver_arr[ETH_VER_KEY] = ETH_HSI_VER_MAJOR;
411 	p_ramrod->hsi_fp_ver.minor_ver_arr[ETH_VER_KEY] = ETH_HSI_VER_MINOR;
412 
413 	DP_VERBOSE(p_hwfn, QED_MSG_SPQ,
414 		   "Setting event_ring_sb [id %04x index %02x], outer_tag [%d]\n",
415 		   sb, sb_index, p_ramrod->outer_tag);
416 
417 	rc = qed_spq_post(p_hwfn, p_ent, NULL);
418 
419 	if (p_tunn) {
420 		qed_set_hw_tunn_mode(p_hwfn, p_hwfn->p_main_ptt,
421 				     p_tunn->tunn_mode);
422 		p_hwfn->cdev->tunn_mode = p_tunn->tunn_mode;
423 	}
424 
425 	return rc;
426 }
427 
428 int qed_sp_pf_update(struct qed_hwfn *p_hwfn)
429 {
430 	struct qed_spq_entry *p_ent = NULL;
431 	struct qed_sp_init_data init_data;
432 	int rc = -EINVAL;
433 
434 	/* Get SPQ entry */
435 	memset(&init_data, 0, sizeof(init_data));
436 	init_data.cid = qed_spq_get_cid(p_hwfn);
437 	init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
438 	init_data.comp_mode = QED_SPQ_MODE_CB;
439 
440 	rc = qed_sp_init_request(p_hwfn, &p_ent,
441 				 COMMON_RAMROD_PF_UPDATE, PROTOCOLID_COMMON,
442 				 &init_data);
443 	if (rc)
444 		return rc;
445 
446 	qed_dcbx_set_pf_update_params(&p_hwfn->p_dcbx_info->results,
447 				      &p_ent->ramrod.pf_update);
448 
449 	return qed_spq_post(p_hwfn, p_ent, NULL);
450 }
451 
452 /* Set pf update ramrod command params */
453 int qed_sp_pf_update_tunn_cfg(struct qed_hwfn *p_hwfn,
454 			      struct qed_tunn_update_params *p_tunn,
455 			      enum spq_mode comp_mode,
456 			      struct qed_spq_comp_cb *p_comp_data)
457 {
458 	struct qed_spq_entry *p_ent = NULL;
459 	struct qed_sp_init_data init_data;
460 	int rc = -EINVAL;
461 
462 	/* Get SPQ entry */
463 	memset(&init_data, 0, sizeof(init_data));
464 	init_data.cid = qed_spq_get_cid(p_hwfn);
465 	init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
466 	init_data.comp_mode = comp_mode;
467 	init_data.p_comp_data = p_comp_data;
468 
469 	rc = qed_sp_init_request(p_hwfn, &p_ent,
470 				 COMMON_RAMROD_PF_UPDATE, PROTOCOLID_COMMON,
471 				 &init_data);
472 	if (rc)
473 		return rc;
474 
475 	qed_tunn_set_pf_update_params(p_hwfn, p_tunn,
476 				      &p_ent->ramrod.pf_update.tunnel_config);
477 
478 	rc = qed_spq_post(p_hwfn, p_ent, NULL);
479 	if (rc)
480 		return rc;
481 
482 	if (p_tunn->update_vxlan_udp_port)
483 		qed_set_vxlan_dest_port(p_hwfn, p_hwfn->p_main_ptt,
484 					p_tunn->vxlan_udp_port);
485 	if (p_tunn->update_geneve_udp_port)
486 		qed_set_geneve_dest_port(p_hwfn, p_hwfn->p_main_ptt,
487 					 p_tunn->geneve_udp_port);
488 
489 	qed_set_hw_tunn_mode(p_hwfn, p_hwfn->p_main_ptt, p_tunn->tunn_mode);
490 	p_hwfn->cdev->tunn_mode = p_tunn->tunn_mode;
491 
492 	return rc;
493 }
494 
495 int qed_sp_pf_stop(struct qed_hwfn *p_hwfn)
496 {
497 	struct qed_spq_entry *p_ent = NULL;
498 	struct qed_sp_init_data init_data;
499 	int rc = -EINVAL;
500 
501 	/* Get SPQ entry */
502 	memset(&init_data, 0, sizeof(init_data));
503 	init_data.cid = qed_spq_get_cid(p_hwfn);
504 	init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
505 	init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
506 
507 	rc = qed_sp_init_request(p_hwfn, &p_ent,
508 				 COMMON_RAMROD_PF_STOP, PROTOCOLID_COMMON,
509 				 &init_data);
510 	if (rc)
511 		return rc;
512 
513 	return qed_spq_post(p_hwfn, p_ent, NULL);
514 }
515 
516 int qed_sp_heartbeat_ramrod(struct qed_hwfn *p_hwfn)
517 {
518 	struct qed_spq_entry *p_ent = NULL;
519 	struct qed_sp_init_data init_data;
520 	int rc;
521 
522 	/* Get SPQ entry */
523 	memset(&init_data, 0, sizeof(init_data));
524 	init_data.cid = qed_spq_get_cid(p_hwfn);
525 	init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
526 	init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
527 
528 	rc = qed_sp_init_request(p_hwfn, &p_ent,
529 				 COMMON_RAMROD_EMPTY, PROTOCOLID_COMMON,
530 				 &init_data);
531 	if (rc)
532 		return rc;
533 
534 	return qed_spq_post(p_hwfn, p_ent, NULL);
535 }
536