ecore_vf.h revision 337519
1/*
2 * Copyright (c) 2017-2018 Cavium, Inc.
3 * All rights reserved.
4 *
5 *  Redistribution and use in source and binary forms, with or without
6 *  modification, are permitted provided that the following conditions
7 *  are met:
8 *
9 *  1. Redistributions of source code must retain the above copyright
10 *     notice, this list of conditions and the following disclaimer.
11 *  2. Redistributions in binary form must reproduce the above copyright
12 *     notice, this list of conditions and the following disclaimer in the
13 *     documentation and/or other materials provided with the distribution.
14 *
15 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
19 *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20 *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21 *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22 *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23 *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24 *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25 *  POSSIBILITY OF SUCH DAMAGE.
26 *
27 * $FreeBSD: stable/10/sys/dev/qlnx/qlnxe/ecore_vf.h 337519 2018-08-09 01:39:47Z davidcs $
28 *
29 */
30
31#ifndef __ECORE_VF_H__
32#define __ECORE_VF_H__
33
34#include "ecore_status.h"
35#include "ecore_vf_api.h"
36#include "ecore_l2_api.h"
37#include "ecore_vfpf_if.h"
38
39/* Default number of CIDs [total of both Rx and Tx] to be requested
40 * by default, and maximum possible number.
41 */
42#define ECORE_ETH_VF_DEFAULT_NUM_CIDS	(32)
43#define ECORE_ETH_VF_MAX_NUM_CIDS	(255)
44
45/* This data is held in the ecore_hwfn structure for VFs only. */
46struct ecore_vf_iov {
47	union vfpf_tlvs			*vf2pf_request;
48	dma_addr_t			vf2pf_request_phys;
49	union pfvf_tlvs			*pf2vf_reply;
50	dma_addr_t			pf2vf_reply_phys;
51
52	/* Should be taken whenever the mailbox buffers are accessed */
53	osal_mutex_t			mutex;
54	u8				*offset;
55
56	/* Bulletin Board */
57	struct ecore_bulletin		bulletin;
58	struct ecore_bulletin_content	bulletin_shadow;
59
60	/* we set aside a copy of the acquire response */
61	struct pfvf_acquire_resp_tlv	acquire_resp;
62
63	/* In case PF originates prior to the fp-hsi version comparison,
64	 * this has to be propagated as it affects the fastpath.
65	 */
66	bool b_pre_fp_hsi;
67
68	/* Current day VFs are passing the SBs physical address on vport
69	 * start, and as they lack an IGU mapping they need to store the
70	 * addresses of previously registered SBs.
71	 * Even if we were to change configuration flow, due to backward
72	 * compatability [with older PFs] we'd still need to store these.
73	 */
74	struct ecore_sb_info *sbs_info[PFVF_MAX_SBS_PER_VF];
75
76#ifdef CONFIG_ECORE_SW_CHANNEL
77	/* Would be set if the VF is to try communicating with it PF
78	 * using a hw channel.
79	 */
80	bool b_hw_channel;
81#endif
82
83	/* Determines whether VF utilizes doorbells via limited register
84	 * bar or via the doorbell bar.
85	 */
86	bool b_doorbell_bar;
87};
88
89/**
90 * @brief VF - Get coalesce per VF's relative queue.
91 *
92 * @param p_hwfn
93 * @param p_coal - coalesce value in micro second for VF queues.
94 * @param p_cid  - queue cid
95 *
96 **/
97enum _ecore_status_t ecore_vf_pf_get_coalesce(struct ecore_hwfn *p_hwfn,
98					      u16 *p_coal,
99					      struct ecore_queue_cid *p_cid);
100/**
101 * @brief VF - Set Rx/Tx coalesce per VF's relative queue.
102 *             Coalesce value '0' will omit the configuration.
103 *
104 * @param p_hwfn
105 * @param rx_coal - coalesce value in micro second for rx queue
106 * @param tx_coal - coalesce value in micro second for tx queue
107 * @param p_cid   - queue cid
108 *
109 **/
110enum _ecore_status_t ecore_vf_pf_set_coalesce(struct ecore_hwfn *p_hwfn,
111					      u16 rx_coal, u16 tx_coal,
112					      struct ecore_queue_cid *p_cid);
113
114#ifdef CONFIG_ECORE_SRIOV
115/**
116 * @brief hw preparation for VF
117 *	sends ACQUIRE message
118 *
119 * @param p_hwfn
120 *
121 * @return enum _ecore_status_t
122 */
123enum _ecore_status_t ecore_vf_hw_prepare(struct ecore_hwfn *p_hwfn);
124
125/**
126 * @brief VF - start the RX Queue by sending a message to the PF
127 *
128 * @param p_hwfn
129 * @param p_cid			- Only relative fields are relevant
130 * @param bd_max_bytes 		- maximum number of bytes per bd
131 * @param bd_chain_phys_addr 	- physical address of bd chain
132 * @param cqe_pbl_addr 		- physical address of pbl
133 * @param cqe_pbl_size 		- pbl size
134 * @param pp_prod 		- pointer to the producer to be
135 *				  used in fasthpath
136 *
137 * @return enum _ecore_status_t
138 */
139enum _ecore_status_t ecore_vf_pf_rxq_start(struct ecore_hwfn *p_hwfn,
140					   struct ecore_queue_cid *p_cid,
141					   u16 bd_max_bytes,
142					   dma_addr_t bd_chain_phys_addr,
143					   dma_addr_t cqe_pbl_addr,
144					   u16 cqe_pbl_size,
145					   void OSAL_IOMEM **pp_prod);
146
147/**
148 * @brief VF - start the TX queue by sending a message to the
149 *        PF.
150 *
151 * @param p_hwfn
152 * @param p_cid
153 * @param bd_chain_phys_addr 	- physical address of tx chain
154 * @param pp_doorbell 		- pointer to address to which to
155 *      		write the doorbell too..
156 *
157 * @return enum _ecore_status_t
158 */
159enum _ecore_status_t
160ecore_vf_pf_txq_start(struct ecore_hwfn *p_hwfn,
161		      struct ecore_queue_cid *p_cid,
162		      dma_addr_t pbl_addr, u16 pbl_size,
163		      void OSAL_IOMEM **pp_doorbell);
164
165/**
166 * @brief VF - stop the RX queue by sending a message to the PF
167 *
168 * @param p_hwfn
169 * @param p_cid
170 * @param cqe_completion
171 *
172 * @return enum _ecore_status_t
173 */
174enum _ecore_status_t ecore_vf_pf_rxq_stop(struct ecore_hwfn *p_hwfn,
175					  struct ecore_queue_cid *p_cid,
176					  bool cqe_completion);
177
178/**
179 * @brief VF - stop the TX queue by sending a message to the PF
180 *
181 * @param p_hwfn
182 * @param p_cid
183 *
184 * @return enum _ecore_status_t
185 */
186enum _ecore_status_t ecore_vf_pf_txq_stop(struct ecore_hwfn *p_hwfn,
187					  struct ecore_queue_cid *p_cid);
188
189/* TODO - fix all the !SRIOV prototypes */
190
191#ifndef LINUX_REMOVE
192/**
193 * @brief VF - update the RX queue by sending a message to the
194 *        PF
195 *
196 * @param p_hwfn
197 * @param pp_cid - list of queue-cids which we want to update
198 * @param num_rxqs
199 * @param comp_cqe_flg
200 * @param comp_event_flg
201 *
202 * @return enum _ecore_status_t
203 */
204enum _ecore_status_t ecore_vf_pf_rxqs_update(struct ecore_hwfn *p_hwfn,
205					     struct ecore_queue_cid **pp_cid,
206					     u8 num_rxqs,
207					     u8 comp_cqe_flg,
208					     u8 comp_event_flg);
209#endif
210
211/**
212 * @brief VF - send a vport update command
213 *
214 * @param p_hwfn
215 * @param params
216 *
217 * @return enum _ecore_status_t
218 */
219enum _ecore_status_t ecore_vf_pf_vport_update(struct ecore_hwfn *p_hwfn,
220					      struct ecore_sp_vport_update_params *p_params);
221
222/**
223 * @brief VF - send a close message to PF
224 *
225 * @param p_hwfn
226 *
227 * @return enum _ecore_status
228 */
229enum _ecore_status_t ecore_vf_pf_reset(struct ecore_hwfn *p_hwfn);
230
231/**
232 * @brief VF - free vf`s memories
233 *
234 * @param p_hwfn
235 *
236 * @return enum _ecore_status
237 */
238enum _ecore_status_t ecore_vf_pf_release(struct ecore_hwfn *p_hwfn);
239
240/**
241 * @brief ecore_vf_get_igu_sb_id - Get the IGU SB ID for a given
242 *        sb_id. For VFs igu sbs don't have to be contiguous
243 *
244 * @param p_hwfn
245 * @param sb_id
246 *
247 * @return INLINE u16
248 */
249u16 ecore_vf_get_igu_sb_id(struct ecore_hwfn *p_hwfn,
250			   u16               sb_id);
251
252/**
253 * @brief Stores [or removes] a configured sb_info.
254 *
255 * @param p_hwfn
256 * @param sb_id - zero-based SB index [for fastpath]
257 * @param sb_info - may be OSAL_NULL [during removal].
258 */
259void ecore_vf_set_sb_info(struct ecore_hwfn *p_hwfn,
260			  u16 sb_id, struct ecore_sb_info *p_sb);
261
262/**
263 * @brief ecore_vf_pf_vport_start - perform vport start for VF.
264 *
265 * @param p_hwfn
266 * @param vport_id
267 * @param mtu
268 * @param inner_vlan_removal
269 * @param tpa_mode
270 * @param max_buffers_per_cqe,
271 * @param only_untagged - default behavior regarding vlan acceptance
272 * @param zero_placement_offset - if set, zero padding will be inserted
273 *
274 * @return enum _ecore_status
275 */
276enum _ecore_status_t ecore_vf_pf_vport_start(
277			struct ecore_hwfn *p_hwfn,
278			u8 vport_id,
279			u16 mtu,
280			u8 inner_vlan_removal,
281			enum ecore_tpa_mode tpa_mode,
282			u8 max_buffers_per_cqe,
283			u8 only_untagged,
284			u8 zero_placement_offset);
285
286/**
287 * @brief ecore_vf_pf_vport_stop - stop the VF's vport
288 *
289 * @param p_hwfn
290 *
291 * @return enum _ecore_status
292 */
293enum _ecore_status_t ecore_vf_pf_vport_stop(struct ecore_hwfn *p_hwfn);
294
295enum _ecore_status_t ecore_vf_pf_filter_ucast(
296			struct ecore_hwfn *p_hwfn,
297			struct ecore_filter_ucast *p_param);
298
299void ecore_vf_pf_filter_mcast(struct ecore_hwfn *p_hwfn,
300			      struct ecore_filter_mcast *p_filter_cmd);
301
302/**
303 * @brief ecore_vf_pf_int_cleanup - clean the SB of the VF
304 *
305 * @param p_hwfn
306 *
307 * @return enum _ecore_status
308 */
309enum _ecore_status_t ecore_vf_pf_int_cleanup(struct ecore_hwfn *p_hwfn);
310
311/**
312 * @brief - return the link params in a given bulletin board
313 *
314 * @param p_params - pointer to a struct to fill with link params
315 * @param p_bulletin
316 */
317void __ecore_vf_get_link_params(struct ecore_mcp_link_params *p_params,
318				struct ecore_bulletin_content *p_bulletin);
319
320/**
321 * @brief - return the link state in a given bulletin board
322 *
323 * @param p_link - pointer to a struct to fill with link state
324 * @param p_bulletin
325 */
326void __ecore_vf_get_link_state(struct ecore_mcp_link_state *p_link,
327			       struct ecore_bulletin_content *p_bulletin);
328
329/**
330 * @brief - return the link capabilities in a given bulletin board
331 *
332 * @param p_link - pointer to a struct to fill with link capabilities
333 * @param p_bulletin
334 */
335void __ecore_vf_get_link_caps(struct ecore_mcp_link_capabilities *p_link_caps,
336			      struct ecore_bulletin_content *p_bulletin);
337enum _ecore_status_t
338ecore_vf_pf_tunnel_param_update(struct ecore_hwfn *p_hwfn,
339				struct ecore_tunnel_info *p_tunn);
340void ecore_vf_set_vf_start_tunn_update_param(struct ecore_tunnel_info *p_tun);
341
342u32 ecore_vf_hw_bar_size(struct ecore_hwfn *p_hwfn, enum BAR_ID bar_id);
343#else
344static OSAL_INLINE enum _ecore_status_t ecore_vf_hw_prepare(struct ecore_hwfn OSAL_UNUSED *p_hwfn) {return ECORE_INVAL;}
345static OSAL_INLINE enum _ecore_status_t ecore_vf_pf_rxq_start(struct ecore_hwfn OSAL_UNUSED *p_hwfn, struct ecore_queue_cid OSAL_UNUSED *p_cid, u16 OSAL_UNUSED bd_max_bytes, dma_addr_t OSAL_UNUSED bd_chain_phys_addr, dma_addr_t OSAL_UNUSED cqe_pbl_addr, u16 OSAL_UNUSED cqe_pbl_size, void OSAL_IOMEM OSAL_UNUSED **pp_prod) {return ECORE_INVAL;}
346static OSAL_INLINE enum _ecore_status_t ecore_vf_pf_txq_start(struct ecore_hwfn OSAL_UNUSED *p_hwfn, struct ecore_queue_cid OSAL_UNUSED *p_cid, dma_addr_t OSAL_UNUSED pbl_addr, u16 OSAL_UNUSED pbl_size, void OSAL_IOMEM OSAL_UNUSED **pp_doorbell) {return ECORE_INVAL;}
347
348static OSAL_INLINE enum _ecore_status_t ecore_vf_pf_rxq_stop(struct ecore_hwfn OSAL_UNUSED *p_hwfn, struct ecore_queue_cid OSAL_UNUSED *p_cid, bool OSAL_UNUSED cqe_completion) {return ECORE_INVAL;}
349static OSAL_INLINE enum _ecore_status_t ecore_vf_pf_txq_stop(struct ecore_hwfn OSAL_UNUSED *p_hwfn, struct ecore_queue_cid OSAL_UNUSED *p_cid) {return ECORE_INVAL;}
350#ifndef LINUX_REMOVE
351static OSAL_INLINE enum _ecore_status_t ecore_vf_pf_rxqs_update(struct ecore_hwfn OSAL_UNUSED *p_hwfn, struct ecore_queue_cid OSAL_UNUSED **pp_cid, u8 OSAL_UNUSED num_rxqs, u8 OSAL_UNUSED comp_cqe_flg, u8 OSAL_UNUSED comp_event_flg) {return ECORE_INVAL;}
352#endif
353static OSAL_INLINE enum _ecore_status_t ecore_vf_pf_vport_update(struct ecore_hwfn OSAL_UNUSED *p_hwfn, struct ecore_sp_vport_update_params OSAL_UNUSED *p_params) {return ECORE_INVAL;}
354static OSAL_INLINE enum _ecore_status_t ecore_vf_pf_reset(struct ecore_hwfn OSAL_UNUSED *p_hwfn) {return ECORE_INVAL;}
355static OSAL_INLINE enum _ecore_status_t ecore_vf_pf_release(struct ecore_hwfn OSAL_UNUSED *p_hwfn) {return ECORE_INVAL;}
356static OSAL_INLINE u16 ecore_vf_get_igu_sb_id(struct ecore_hwfn OSAL_UNUSED *p_hwfn, u16 OSAL_UNUSED sb_id) {return 0;}
357static OSAL_INLINE void ecore_vf_set_sb_info(struct ecore_hwfn OSAL_UNUSED *p_hwfn, u16 OSAL_UNUSED sb_id, struct ecore_sb_info OSAL_UNUSED *p_sb) {}
358
359static OSAL_INLINE enum _ecore_status_t ecore_vf_pf_vport_start(struct ecore_hwfn OSAL_UNUSED *p_hwfn, u8 OSAL_UNUSED vport_id, u16 OSAL_UNUSED mtu, u8 OSAL_UNUSED inner_vlan_removal, enum ecore_tpa_mode OSAL_UNUSED tpa_mode, u8 OSAL_UNUSED max_buffers_per_cqe, u8 OSAL_UNUSED only_untagged, u8 OSAL_UNUSED zero_placement_offset) {return ECORE_INVAL;}
360static OSAL_INLINE enum _ecore_status_t ecore_vf_pf_vport_stop(struct ecore_hwfn OSAL_UNUSED *p_hwfn) {return ECORE_INVAL;}
361static OSAL_INLINE enum _ecore_status_t ecore_vf_pf_filter_ucast(struct ecore_hwfn OSAL_UNUSED *p_hwfn, struct ecore_filter_ucast OSAL_UNUSED *p_param) {return ECORE_INVAL;}
362static OSAL_INLINE void ecore_vf_pf_filter_mcast(struct ecore_hwfn OSAL_UNUSED *p_hwfn, struct ecore_filter_mcast OSAL_UNUSED *p_filter_cmd) {}
363static OSAL_INLINE enum _ecore_status_t ecore_vf_pf_int_cleanup(struct ecore_hwfn OSAL_UNUSED *p_hwfn) {return ECORE_INVAL;}
364static OSAL_INLINE void __ecore_vf_get_link_params(struct ecore_mcp_link_params OSAL_UNUSED *p_params, struct ecore_bulletin_content OSAL_UNUSED *p_bulletin) {}
365static OSAL_INLINE void __ecore_vf_get_link_state(struct ecore_mcp_link_state OSAL_UNUSED *p_link, struct ecore_bulletin_content OSAL_UNUSED *p_bulletin) {}
366static OSAL_INLINE void __ecore_vf_get_link_caps(struct ecore_mcp_link_capabilities OSAL_UNUSED *p_link_caps, struct ecore_bulletin_content OSAL_UNUSED *p_bulletin) {}
367static OSAL_INLINE enum _ecore_status_t ecore_vf_pf_tunnel_param_update(struct ecore_hwfn OSAL_UNUSED *p_hwfn, struct ecore_tunnel_info OSAL_UNUSED *p_tunn) { return ECORE_INVAL; }
368static OSAL_INLINE void ecore_vf_set_vf_start_tunn_update_param(struct ecore_tunnel_info OSAL_UNUSED *p_tun) { return; }
369
370static OSAL_INLINE u32
371ecore_vf_hw_bar_size(struct ecore_hwfn OSAL_UNUSED *p_hwfn,
372		     enum BAR_ID OSAL_UNUSED bar_id)
373{
374	return 0;
375}
376#endif
377
378#endif /* __ECORE_VF_H__ */
379