1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*  Marvell OcteonTx2 RVU Admin Function driver
3  *
4  * Copyright (C) 2018 Marvell International Ltd.
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License version 2 as
8  * published by the Free Software Foundation.
9  */
10 
11 #ifndef MBOX_H
12 #define MBOX_H
13 
14 #include <linux/etherdevice.h>
15 #include <linux/sizes.h>
16 
17 #include "rvu_struct.h"
18 #include "common.h"
19 
20 #define MBOX_SIZE		SZ_64K
21 
22 /* AF/PF: PF initiated, PF/VF VF initiated */
23 #define MBOX_DOWN_RX_START	0
24 #define MBOX_DOWN_RX_SIZE	(46 * SZ_1K)
25 #define MBOX_DOWN_TX_START	(MBOX_DOWN_RX_START + MBOX_DOWN_RX_SIZE)
26 #define MBOX_DOWN_TX_SIZE	(16 * SZ_1K)
27 /* AF/PF: AF initiated, PF/VF PF initiated */
28 #define MBOX_UP_RX_START	(MBOX_DOWN_TX_START + MBOX_DOWN_TX_SIZE)
29 #define MBOX_UP_RX_SIZE		SZ_1K
30 #define MBOX_UP_TX_START	(MBOX_UP_RX_START + MBOX_UP_RX_SIZE)
31 #define MBOX_UP_TX_SIZE		SZ_1K
32 
33 #if MBOX_UP_TX_SIZE + MBOX_UP_TX_START != MBOX_SIZE
34 # error "incorrect mailbox area sizes"
35 #endif
36 
37 #define INTR_MASK(pfvfs) ((pfvfs < 64) ? (BIT_ULL(pfvfs) - 1) : (~0ull))
38 
39 #define MBOX_RSP_TIMEOUT	2000 /* Time(ms) to wait for mbox response */
40 
41 #define MBOX_MSG_ALIGN		16  /* Align mbox msg start to 16bytes */
42 
43 /* Mailbox directions */
44 #define MBOX_DIR_AFPF		0  /* AF replies to PF */
45 #define MBOX_DIR_PFAF		1  /* PF sends messages to AF */
46 #define MBOX_DIR_PFVF		2  /* PF replies to VF */
47 #define MBOX_DIR_VFPF		3  /* VF sends messages to PF */
48 #define MBOX_DIR_AFPF_UP	4  /* AF sends messages to PF */
49 #define MBOX_DIR_PFAF_UP	5  /* PF replies to AF */
50 #define MBOX_DIR_PFVF_UP	6  /* PF sends messages to VF */
51 #define MBOX_DIR_VFPF_UP	7  /* VF replies to PF */
52 
53 struct otx2_mbox_dev {
54 	void	    *mbase;   /* This dev's mbox region */
55 	spinlock_t  mbox_lock;
56 	u16         msg_size; /* Total msg size to be sent */
57 	u16         rsp_size; /* Total rsp size to be sure the reply is ok */
58 	u16         num_msgs; /* No of msgs sent or waiting for response */
59 	u16         msgs_acked; /* No of msgs for which response is received */
60 };
61 
62 struct otx2_mbox {
63 	struct pci_dev *pdev;
64 	void   *hwbase;  /* Mbox region advertised by HW */
65 	void   *reg_base;/* CSR base for this dev */
66 	u64    trigger;  /* Trigger mbox notification */
67 	u16    tr_shift; /* Mbox trigger shift */
68 	u64    rx_start; /* Offset of Rx region in mbox memory */
69 	u64    tx_start; /* Offset of Tx region in mbox memory */
70 	u16    rx_size;  /* Size of Rx region */
71 	u16    tx_size;  /* Size of Tx region */
72 	u16    ndevs;    /* The number of peers */
73 	struct otx2_mbox_dev *dev;
74 };
75 
76 /* Header which preceeds all mbox messages */
77 struct mbox_hdr {
78 	u64 msg_size;	/* Total msgs size embedded */
79 	u16  num_msgs;   /* No of msgs embedded */
80 };
81 
82 /* Header which preceeds every msg and is also part of it */
83 struct mbox_msghdr {
84 	u16 pcifunc;     /* Who's sending this msg */
85 	u16 id;          /* Mbox message ID */
86 #define OTX2_MBOX_REQ_SIG (0xdead)
87 #define OTX2_MBOX_RSP_SIG (0xbeef)
88 	u16 sig;         /* Signature, for validating corrupted msgs */
89 #define OTX2_MBOX_VERSION (0x0001)
90 	u16 ver;         /* Version of msg's structure for this ID */
91 	u16 next_msgoff; /* Offset of next msg within mailbox region */
92 	int rc;          /* Msg process'ed response code */
93 };
94 
95 void otx2_mbox_reset(struct otx2_mbox *mbox, int devid);
96 void __otx2_mbox_reset(struct otx2_mbox *mbox, int devid);
97 void otx2_mbox_destroy(struct otx2_mbox *mbox);
98 int otx2_mbox_init(struct otx2_mbox *mbox, void __force *hwbase,
99 		   struct pci_dev *pdev, void __force *reg_base,
100 		   int direction, int ndevs);
101 void otx2_mbox_msg_send(struct otx2_mbox *mbox, int devid);
102 int otx2_mbox_wait_for_rsp(struct otx2_mbox *mbox, int devid);
103 int otx2_mbox_busy_poll_for_rsp(struct otx2_mbox *mbox, int devid);
104 struct mbox_msghdr *otx2_mbox_alloc_msg_rsp(struct otx2_mbox *mbox, int devid,
105 					    int size, int size_rsp);
106 struct mbox_msghdr *otx2_mbox_get_rsp(struct otx2_mbox *mbox, int devid,
107 				      struct mbox_msghdr *msg);
108 int otx2_mbox_check_rsp_msgs(struct otx2_mbox *mbox, int devid);
109 int otx2_reply_invalid_msg(struct otx2_mbox *mbox, int devid,
110 			   u16 pcifunc, u16 id);
111 bool otx2_mbox_nonempty(struct otx2_mbox *mbox, int devid);
112 const char *otx2_mbox_id2name(u16 id);
113 static inline struct mbox_msghdr *otx2_mbox_alloc_msg(struct otx2_mbox *mbox,
114 						      int devid, int size)
115 {
116 	return otx2_mbox_alloc_msg_rsp(mbox, devid, size, 0);
117 }
118 
119 /* Mailbox message types */
120 #define MBOX_MSG_MASK				0xFFFF
121 #define MBOX_MSG_INVALID			0xFFFE
122 #define MBOX_MSG_MAX				0xFFFF
123 
124 #define MBOX_MESSAGES							\
125 /* Generic mbox IDs (range 0x000 - 0x1FF) */				\
126 M(READY,		0x001, ready, msg_req, ready_msg_rsp)		\
127 M(ATTACH_RESOURCES,	0x002, attach_resources, rsrc_attach, msg_rsp)	\
128 M(DETACH_RESOURCES,	0x003, detach_resources, rsrc_detach, msg_rsp)	\
129 M(MSIX_OFFSET,		0x005, msix_offset, msg_req, msix_offset_rsp)	\
130 M(VF_FLR,		0x006, vf_flr, msg_req, msg_rsp)		\
131 M(PTP_OP,		0x007, ptp_op, ptp_req, ptp_rsp)		\
132 M(GET_HW_CAP,		0x008, get_hw_cap, msg_req, get_hw_cap_rsp)	\
133 /* CGX mbox IDs (range 0x200 - 0x3FF) */				\
134 M(CGX_START_RXTX,	0x200, cgx_start_rxtx, msg_req, msg_rsp)	\
135 M(CGX_STOP_RXTX,	0x201, cgx_stop_rxtx, msg_req, msg_rsp)		\
136 M(CGX_STATS,		0x202, cgx_stats, msg_req, cgx_stats_rsp)	\
137 M(CGX_MAC_ADDR_SET,	0x203, cgx_mac_addr_set, cgx_mac_addr_set_or_get,    \
138 				cgx_mac_addr_set_or_get)		\
139 M(CGX_MAC_ADDR_GET,	0x204, cgx_mac_addr_get, cgx_mac_addr_set_or_get,    \
140 				cgx_mac_addr_set_or_get)		\
141 M(CGX_PROMISC_ENABLE,	0x205, cgx_promisc_enable, msg_req, msg_rsp)	\
142 M(CGX_PROMISC_DISABLE,	0x206, cgx_promisc_disable, msg_req, msg_rsp)	\
143 M(CGX_START_LINKEVENTS, 0x207, cgx_start_linkevents, msg_req, msg_rsp)	\
144 M(CGX_STOP_LINKEVENTS,	0x208, cgx_stop_linkevents, msg_req, msg_rsp)	\
145 M(CGX_GET_LINKINFO,	0x209, cgx_get_linkinfo, msg_req, cgx_link_info_msg) \
146 M(CGX_INTLBK_ENABLE,	0x20A, cgx_intlbk_enable, msg_req, msg_rsp)	\
147 M(CGX_INTLBK_DISABLE,	0x20B, cgx_intlbk_disable, msg_req, msg_rsp)	\
148 M(CGX_PTP_RX_ENABLE,	0x20C, cgx_ptp_rx_enable, msg_req, msg_rsp)	\
149 M(CGX_PTP_RX_DISABLE,	0x20D, cgx_ptp_rx_disable, msg_req, msg_rsp)	\
150 M(CGX_CFG_PAUSE_FRM,	0x20E, cgx_cfg_pause_frm, cgx_pause_frm_cfg,	\
151 			       cgx_pause_frm_cfg)			\
152 /* NPA mbox IDs (range 0x400 - 0x5FF) */				\
153 M(NPA_LF_ALLOC,		0x400, npa_lf_alloc,				\
154 				npa_lf_alloc_req, npa_lf_alloc_rsp)	\
155 M(NPA_LF_FREE,		0x401, npa_lf_free, msg_req, msg_rsp)		\
156 M(NPA_AQ_ENQ,		0x402, npa_aq_enq, npa_aq_enq_req, npa_aq_enq_rsp)   \
157 M(NPA_HWCTX_DISABLE,	0x403, npa_hwctx_disable, hwctx_disable_req, msg_rsp)\
158 /* SSO/SSOW mbox IDs (range 0x600 - 0x7FF) */				\
159 /* TIM mbox IDs (range 0x800 - 0x9FF) */				\
160 /* CPT mbox IDs (range 0xA00 - 0xBFF) */				\
161 /* NPC mbox IDs (range 0x6000 - 0x7FFF) */				\
162 M(NPC_MCAM_ALLOC_ENTRY,	0x6000, npc_mcam_alloc_entry, npc_mcam_alloc_entry_req,\
163 				npc_mcam_alloc_entry_rsp)		\
164 M(NPC_MCAM_FREE_ENTRY,	0x6001, npc_mcam_free_entry,			\
165 				 npc_mcam_free_entry_req, msg_rsp)	\
166 M(NPC_MCAM_WRITE_ENTRY,	0x6002, npc_mcam_write_entry,			\
167 				 npc_mcam_write_entry_req, msg_rsp)	\
168 M(NPC_MCAM_ENA_ENTRY,   0x6003, npc_mcam_ena_entry,			\
169 				 npc_mcam_ena_dis_entry_req, msg_rsp)	\
170 M(NPC_MCAM_DIS_ENTRY,   0x6004, npc_mcam_dis_entry,			\
171 				 npc_mcam_ena_dis_entry_req, msg_rsp)	\
172 M(NPC_MCAM_SHIFT_ENTRY, 0x6005, npc_mcam_shift_entry, npc_mcam_shift_entry_req,\
173 				npc_mcam_shift_entry_rsp)		\
174 M(NPC_MCAM_ALLOC_COUNTER, 0x6006, npc_mcam_alloc_counter,		\
175 					npc_mcam_alloc_counter_req,	\
176 					npc_mcam_alloc_counter_rsp)	\
177 M(NPC_MCAM_FREE_COUNTER,  0x6007, npc_mcam_free_counter,		\
178 				    npc_mcam_oper_counter_req, msg_rsp)	\
179 M(NPC_MCAM_UNMAP_COUNTER, 0x6008, npc_mcam_unmap_counter,		\
180 				   npc_mcam_unmap_counter_req, msg_rsp)	\
181 M(NPC_MCAM_CLEAR_COUNTER, 0x6009, npc_mcam_clear_counter,		\
182 				   npc_mcam_oper_counter_req, msg_rsp)	\
183 M(NPC_MCAM_COUNTER_STATS, 0x600a, npc_mcam_counter_stats,		\
184 				   npc_mcam_oper_counter_req,		\
185 				   npc_mcam_oper_counter_rsp)		\
186 M(NPC_MCAM_ALLOC_AND_WRITE_ENTRY, 0x600b, npc_mcam_alloc_and_write_entry,      \
187 					  npc_mcam_alloc_and_write_entry_req,  \
188 					  npc_mcam_alloc_and_write_entry_rsp)  \
189 M(NPC_GET_KEX_CFG,	  0x600c, npc_get_kex_cfg,			\
190 				   msg_req, npc_get_kex_cfg_rsp)	\
191 /* NIX mbox IDs (range 0x8000 - 0xFFFF) */				\
192 M(NIX_LF_ALLOC,		0x8000, nix_lf_alloc,				\
193 				 nix_lf_alloc_req, nix_lf_alloc_rsp)	\
194 M(NIX_LF_FREE,		0x8001, nix_lf_free, msg_req, msg_rsp)		\
195 M(NIX_AQ_ENQ,		0x8002, nix_aq_enq, nix_aq_enq_req, nix_aq_enq_rsp)  \
196 M(NIX_HWCTX_DISABLE,	0x8003, nix_hwctx_disable,			\
197 				 hwctx_disable_req, msg_rsp)		\
198 M(NIX_TXSCH_ALLOC,	0x8004, nix_txsch_alloc,			\
199 				 nix_txsch_alloc_req, nix_txsch_alloc_rsp)   \
200 M(NIX_TXSCH_FREE,	0x8005, nix_txsch_free, nix_txsch_free_req, msg_rsp) \
201 M(NIX_TXSCHQ_CFG,	0x8006, nix_txschq_cfg, nix_txschq_config, msg_rsp)  \
202 M(NIX_STATS_RST,	0x8007, nix_stats_rst, msg_req, msg_rsp)	\
203 M(NIX_VTAG_CFG,		0x8008, nix_vtag_cfg, nix_vtag_config, msg_rsp)	\
204 M(NIX_RSS_FLOWKEY_CFG,  0x8009, nix_rss_flowkey_cfg,			\
205 				 nix_rss_flowkey_cfg,			\
206 				 nix_rss_flowkey_cfg_rsp)		\
207 M(NIX_SET_MAC_ADDR,	0x800a, nix_set_mac_addr, nix_set_mac_addr, msg_rsp) \
208 M(NIX_SET_RX_MODE,	0x800b, nix_set_rx_mode, nix_rx_mode, msg_rsp)	\
209 M(NIX_SET_HW_FRS,	0x800c, nix_set_hw_frs, nix_frs_cfg, msg_rsp)	\
210 M(NIX_LF_START_RX,	0x800d, nix_lf_start_rx, msg_req, msg_rsp)	\
211 M(NIX_LF_STOP_RX,	0x800e, nix_lf_stop_rx, msg_req, msg_rsp)	\
212 M(NIX_MARK_FORMAT_CFG,	0x800f, nix_mark_format_cfg,			\
213 				 nix_mark_format_cfg,			\
214 				 nix_mark_format_cfg_rsp)		\
215 M(NIX_SET_RX_CFG,	0x8010, nix_set_rx_cfg, nix_rx_cfg, msg_rsp)	\
216 M(NIX_LSO_FORMAT_CFG,	0x8011, nix_lso_format_cfg,			\
217 				 nix_lso_format_cfg,			\
218 				 nix_lso_format_cfg_rsp)		\
219 M(NIX_RXVLAN_ALLOC,	0x8012, nix_rxvlan_alloc, msg_req, msg_rsp)	\
220 M(NIX_LF_PTP_TX_ENABLE, 0x8013, nix_lf_ptp_tx_enable, msg_req, msg_rsp)	\
221 M(NIX_LF_PTP_TX_DISABLE, 0x8014, nix_lf_ptp_tx_disable, msg_req, msg_rsp) \
222 M(NIX_BP_ENABLE,	0x8016, nix_bp_enable, nix_bp_cfg_req,	\
223 				nix_bp_cfg_rsp)	\
224 M(NIX_BP_DISABLE,	0x8017, nix_bp_disable, nix_bp_cfg_req, msg_rsp) \
225 M(NIX_GET_MAC_ADDR, 0x8018, nix_get_mac_addr, msg_req, nix_get_mac_addr_rsp) \
226 
227 /* Messages initiated by AF (range 0xC00 - 0xDFF) */
228 #define MBOX_UP_CGX_MESSAGES						\
229 M(CGX_LINK_EVENT,	0xC00, cgx_link_event, cgx_link_info_msg, msg_rsp)
230 
231 enum {
232 #define M(_name, _id, _1, _2, _3) MBOX_MSG_ ## _name = _id,
233 MBOX_MESSAGES
234 MBOX_UP_CGX_MESSAGES
235 #undef M
236 };
237 
238 /* Mailbox message formats */
239 
240 #define RVU_DEFAULT_PF_FUNC     0xFFFF
241 
242 /* Generic request msg used for those mbox messages which
243  * don't send any data in the request.
244  */
245 struct msg_req {
246 	struct mbox_msghdr hdr;
247 };
248 
249 /* Generic rsponse msg used a ack or response for those mbox
250  * messages which doesn't have a specific rsp msg format.
251  */
252 struct msg_rsp {
253 	struct mbox_msghdr hdr;
254 };
255 
256 /* RVU mailbox error codes
257  * Range 256 - 300.
258  */
259 enum rvu_af_status {
260 	RVU_INVALID_VF_ID           = -256,
261 };
262 
263 struct ready_msg_rsp {
264 	struct mbox_msghdr hdr;
265 	u16    sclk_freq;	/* SCLK frequency (in MHz) */
266 	u16    rclk_freq;	/* RCLK frequency (in MHz) */
267 };
268 
269 /* Structure for requesting resource provisioning.
270  * 'modify' flag to be used when either requesting more
271  * or to detach partial of a cetain resource type.
272  * Rest of the fields specify how many of what type to
273  * be attached.
274  */
275 struct rsrc_attach {
276 	struct mbox_msghdr hdr;
277 	u8   modify:1;
278 	u8   npalf:1;
279 	u8   nixlf:1;
280 	u16  sso;
281 	u16  ssow;
282 	u16  timlfs;
283 	u16  cptlfs;
284 };
285 
286 /* Structure for relinquishing resources.
287  * 'partial' flag to be used when relinquishing all resources
288  * but only of a certain type. If not set, all resources of all
289  * types provisioned to the RVU function will be detached.
290  */
291 struct rsrc_detach {
292 	struct mbox_msghdr hdr;
293 	u8 partial:1;
294 	u8 npalf:1;
295 	u8 nixlf:1;
296 	u8 sso:1;
297 	u8 ssow:1;
298 	u8 timlfs:1;
299 	u8 cptlfs:1;
300 };
301 
302 #define MSIX_VECTOR_INVALID	0xFFFF
303 #define MAX_RVU_BLKLF_CNT	256
304 
305 struct msix_offset_rsp {
306 	struct mbox_msghdr hdr;
307 	u16  npa_msixoff;
308 	u16  nix_msixoff;
309 	u8   sso;
310 	u8   ssow;
311 	u8   timlfs;
312 	u8   cptlfs;
313 	u16  sso_msixoff[MAX_RVU_BLKLF_CNT];
314 	u16  ssow_msixoff[MAX_RVU_BLKLF_CNT];
315 	u16  timlf_msixoff[MAX_RVU_BLKLF_CNT];
316 	u16  cptlf_msixoff[MAX_RVU_BLKLF_CNT];
317 };
318 
319 struct get_hw_cap_rsp {
320 	struct mbox_msghdr hdr;
321 	u8 nix_fixed_txschq_mapping; /* Schq mapping fixed or flexible */
322 	u8 nix_shaping;		     /* Is shaping and coloring supported */
323 };
324 
325 /* CGX mbox message formats */
326 
327 struct cgx_stats_rsp {
328 	struct mbox_msghdr hdr;
329 #define CGX_RX_STATS_COUNT	13
330 #define CGX_TX_STATS_COUNT	18
331 	u64 rx_stats[CGX_RX_STATS_COUNT];
332 	u64 tx_stats[CGX_TX_STATS_COUNT];
333 };
334 
335 /* Structure for requesting the operation for
336  * setting/getting mac address in the CGX interface
337  */
338 struct cgx_mac_addr_set_or_get {
339 	struct mbox_msghdr hdr;
340 	u8 mac_addr[ETH_ALEN];
341 };
342 
343 struct cgx_link_user_info {
344 	uint64_t link_up:1;
345 	uint64_t full_duplex:1;
346 	uint64_t lmac_type_id:4;
347 	uint64_t speed:20; /* speed in Mbps */
348 #define LMACTYPE_STR_LEN 16
349 	char lmac_type[LMACTYPE_STR_LEN];
350 };
351 
352 struct cgx_link_info_msg {
353 	struct mbox_msghdr hdr;
354 	struct cgx_link_user_info link_info;
355 };
356 
357 struct cgx_pause_frm_cfg {
358 	struct mbox_msghdr hdr;
359 	u8 set;
360 	/* set = 1 if the request is to config pause frames */
361 	/* set = 0 if the request is to fetch pause frames config */
362 	u8 rx_pause;
363 	u8 tx_pause;
364 };
365 
366 /* NPA mbox message formats */
367 
368 /* NPA mailbox error codes
369  * Range 301 - 400.
370  */
371 enum npa_af_status {
372 	NPA_AF_ERR_PARAM            = -301,
373 	NPA_AF_ERR_AQ_FULL          = -302,
374 	NPA_AF_ERR_AQ_ENQUEUE       = -303,
375 	NPA_AF_ERR_AF_LF_INVALID    = -304,
376 	NPA_AF_ERR_AF_LF_ALLOC      = -305,
377 	NPA_AF_ERR_LF_RESET         = -306,
378 };
379 
380 /* For NPA LF context alloc and init */
381 struct npa_lf_alloc_req {
382 	struct mbox_msghdr hdr;
383 	int node;
384 	int aura_sz;  /* No of auras */
385 	u32 nr_pools; /* No of pools */
386 	u64 way_mask;
387 };
388 
389 struct npa_lf_alloc_rsp {
390 	struct mbox_msghdr hdr;
391 	u32 stack_pg_ptrs;  /* No of ptrs per stack page */
392 	u32 stack_pg_bytes; /* Size of stack page */
393 	u16 qints; /* NPA_AF_CONST::QINTS */
394 };
395 
396 /* NPA AQ enqueue msg */
397 struct npa_aq_enq_req {
398 	struct mbox_msghdr hdr;
399 	u32 aura_id;
400 	u8 ctype;
401 	u8 op;
402 	union {
403 		/* Valid when op == WRITE/INIT and ctype == AURA.
404 		 * LF fills the pool_id in aura.pool_addr. AF will translate
405 		 * the pool_id to pool context pointer.
406 		 */
407 		struct npa_aura_s aura;
408 		/* Valid when op == WRITE/INIT and ctype == POOL */
409 		struct npa_pool_s pool;
410 	};
411 	/* Mask data when op == WRITE (1=write, 0=don't write) */
412 	union {
413 		/* Valid when op == WRITE and ctype == AURA */
414 		struct npa_aura_s aura_mask;
415 		/* Valid when op == WRITE and ctype == POOL */
416 		struct npa_pool_s pool_mask;
417 	};
418 };
419 
420 struct npa_aq_enq_rsp {
421 	struct mbox_msghdr hdr;
422 	union {
423 		/* Valid when op == READ and ctype == AURA */
424 		struct npa_aura_s aura;
425 		/* Valid when op == READ and ctype == POOL */
426 		struct npa_pool_s pool;
427 	};
428 };
429 
430 /* Disable all contexts of type 'ctype' */
431 struct hwctx_disable_req {
432 	struct mbox_msghdr hdr;
433 	u8 ctype;
434 };
435 
436 /* NIX mbox message formats */
437 
438 /* NIX mailbox error codes
439  * Range 401 - 500.
440  */
441 enum nix_af_status {
442 	NIX_AF_ERR_PARAM            = -401,
443 	NIX_AF_ERR_AQ_FULL          = -402,
444 	NIX_AF_ERR_AQ_ENQUEUE       = -403,
445 	NIX_AF_ERR_AF_LF_INVALID    = -404,
446 	NIX_AF_ERR_AF_LF_ALLOC      = -405,
447 	NIX_AF_ERR_TLX_ALLOC_FAIL   = -406,
448 	NIX_AF_ERR_TLX_INVALID      = -407,
449 	NIX_AF_ERR_RSS_SIZE_INVALID = -408,
450 	NIX_AF_ERR_RSS_GRPS_INVALID = -409,
451 	NIX_AF_ERR_FRS_INVALID      = -410,
452 	NIX_AF_ERR_RX_LINK_INVALID  = -411,
453 	NIX_AF_INVAL_TXSCHQ_CFG     = -412,
454 	NIX_AF_SMQ_FLUSH_FAILED     = -413,
455 	NIX_AF_ERR_LF_RESET         = -414,
456 	NIX_AF_ERR_RSS_NOSPC_FIELD  = -415,
457 	NIX_AF_ERR_RSS_NOSPC_ALGO   = -416,
458 	NIX_AF_ERR_MARK_CFG_FAIL    = -417,
459 	NIX_AF_ERR_LSO_CFG_FAIL     = -418,
460 	NIX_AF_INVAL_NPA_PF_FUNC    = -419,
461 	NIX_AF_INVAL_SSO_PF_FUNC    = -420,
462 };
463 
464 /* For NIX LF context alloc and init */
465 struct nix_lf_alloc_req {
466 	struct mbox_msghdr hdr;
467 	int node;
468 	u32 rq_cnt;   /* No of receive queues */
469 	u32 sq_cnt;   /* No of send queues */
470 	u32 cq_cnt;   /* No of completion queues */
471 	u8  xqe_sz;
472 	u16 rss_sz;
473 	u8  rss_grps;
474 	u16 npa_func;
475 	u16 sso_func;
476 	u64 rx_cfg;   /* See NIX_AF_LF(0..127)_RX_CFG */
477 	u64 way_mask;
478 };
479 
480 struct nix_lf_alloc_rsp {
481 	struct mbox_msghdr hdr;
482 	u16	sqb_size;
483 	u16	rx_chan_base;
484 	u16	tx_chan_base;
485 	u8      rx_chan_cnt; /* total number of RX channels */
486 	u8      tx_chan_cnt; /* total number of TX channels */
487 	u8	lso_tsov4_idx;
488 	u8	lso_tsov6_idx;
489 	u8      mac_addr[ETH_ALEN];
490 	u8	lf_rx_stats; /* NIX_AF_CONST1::LF_RX_STATS */
491 	u8	lf_tx_stats; /* NIX_AF_CONST1::LF_TX_STATS */
492 	u16	cints; /* NIX_AF_CONST2::CINTS */
493 	u16	qints; /* NIX_AF_CONST2::QINTS */
494 };
495 
496 /* NIX AQ enqueue msg */
497 struct nix_aq_enq_req {
498 	struct mbox_msghdr hdr;
499 	u32  qidx;
500 	u8 ctype;
501 	u8 op;
502 	union {
503 		struct nix_rq_ctx_s rq;
504 		struct nix_sq_ctx_s sq;
505 		struct nix_cq_ctx_s cq;
506 		struct nix_rsse_s   rss;
507 		struct nix_rx_mce_s mce;
508 	};
509 	union {
510 		struct nix_rq_ctx_s rq_mask;
511 		struct nix_sq_ctx_s sq_mask;
512 		struct nix_cq_ctx_s cq_mask;
513 		struct nix_rsse_s   rss_mask;
514 		struct nix_rx_mce_s mce_mask;
515 	};
516 };
517 
518 struct nix_aq_enq_rsp {
519 	struct mbox_msghdr hdr;
520 	union {
521 		struct nix_rq_ctx_s rq;
522 		struct nix_sq_ctx_s sq;
523 		struct nix_cq_ctx_s cq;
524 		struct nix_rsse_s   rss;
525 		struct nix_rx_mce_s mce;
526 	};
527 };
528 
529 /* Tx scheduler/shaper mailbox messages */
530 
531 #define MAX_TXSCHQ_PER_FUNC		128
532 
533 struct nix_txsch_alloc_req {
534 	struct mbox_msghdr hdr;
535 	/* Scheduler queue count request at each level */
536 	u16 schq_contig[NIX_TXSCH_LVL_CNT]; /* No of contiguous queues */
537 	u16 schq[NIX_TXSCH_LVL_CNT]; /* No of non-contiguous queues */
538 };
539 
540 struct nix_txsch_alloc_rsp {
541 	struct mbox_msghdr hdr;
542 	/* Scheduler queue count allocated at each level */
543 	u16 schq_contig[NIX_TXSCH_LVL_CNT];
544 	u16 schq[NIX_TXSCH_LVL_CNT];
545 	/* Scheduler queue list allocated at each level */
546 	u16 schq_contig_list[NIX_TXSCH_LVL_CNT][MAX_TXSCHQ_PER_FUNC];
547 	u16 schq_list[NIX_TXSCH_LVL_CNT][MAX_TXSCHQ_PER_FUNC];
548 	u8  aggr_level; /* Traffic aggregation scheduler level */
549 	u8  aggr_lvl_rr_prio; /* Aggregation lvl's RR_PRIO config */
550 	u8  link_cfg_lvl; /* LINKX_CFG CSRs mapped to TL3 or TL2's index ? */
551 };
552 
553 struct nix_txsch_free_req {
554 	struct mbox_msghdr hdr;
555 #define TXSCHQ_FREE_ALL BIT_ULL(0)
556 	u16 flags;
557 	/* Scheduler queue level to be freed */
558 	u16 schq_lvl;
559 	/* List of scheduler queues to be freed */
560 	u16 schq;
561 };
562 
563 struct nix_txschq_config {
564 	struct mbox_msghdr hdr;
565 	u8 lvl;	/* SMQ/MDQ/TL4/TL3/TL2/TL1 */
566 #define TXSCHQ_IDX_SHIFT	16
567 #define TXSCHQ_IDX_MASK		(BIT_ULL(10) - 1)
568 #define TXSCHQ_IDX(reg, shift)	(((reg) >> (shift)) & TXSCHQ_IDX_MASK)
569 	u8 num_regs;
570 #define MAX_REGS_PER_MBOX_MSG	20
571 	u64 reg[MAX_REGS_PER_MBOX_MSG];
572 	u64 regval[MAX_REGS_PER_MBOX_MSG];
573 };
574 
575 struct nix_vtag_config {
576 	struct mbox_msghdr hdr;
577 	/* '0' for 4 octet VTAG, '1' for 8 octet VTAG */
578 	u8 vtag_size;
579 	/* cfg_type is '0' for tx vlan cfg
580 	 * cfg_type is '1' for rx vlan cfg
581 	 */
582 	u8 cfg_type;
583 	union {
584 		/* valid when cfg_type is '0' */
585 		struct {
586 			/* tx vlan0 tag(C-VLAN) */
587 			u64 vlan0;
588 			/* tx vlan1 tag(S-VLAN) */
589 			u64 vlan1;
590 			/* insert tx vlan tag */
591 			u8 insert_vlan :1;
592 			/* insert tx double vlan tag */
593 			u8 double_vlan :1;
594 		} tx;
595 
596 		/* valid when cfg_type is '1' */
597 		struct {
598 			/* rx vtag type index, valid values are in 0..7 range */
599 			u8 vtag_type;
600 			/* rx vtag strip */
601 			u8 strip_vtag :1;
602 			/* rx vtag capture */
603 			u8 capture_vtag :1;
604 		} rx;
605 	};
606 };
607 
608 struct nix_rss_flowkey_cfg {
609 	struct mbox_msghdr hdr;
610 	int	mcam_index;  /* MCAM entry index to modify */
611 #define NIX_FLOW_KEY_TYPE_PORT	BIT(0)
612 #define NIX_FLOW_KEY_TYPE_IPV4	BIT(1)
613 #define NIX_FLOW_KEY_TYPE_IPV6	BIT(2)
614 #define NIX_FLOW_KEY_TYPE_TCP	BIT(3)
615 #define NIX_FLOW_KEY_TYPE_UDP	BIT(4)
616 #define NIX_FLOW_KEY_TYPE_SCTP	BIT(5)
617 #define NIX_FLOW_KEY_TYPE_NVGRE    BIT(6)
618 #define NIX_FLOW_KEY_TYPE_VXLAN    BIT(7)
619 #define NIX_FLOW_KEY_TYPE_GENEVE   BIT(8)
620 #define NIX_FLOW_KEY_TYPE_ETH_DMAC BIT(9)
621 #define NIX_FLOW_KEY_TYPE_IPV6_EXT BIT(10)
622 #define NIX_FLOW_KEY_TYPE_GTPU       BIT(11)
623 #define NIX_FLOW_KEY_TYPE_INNR_IPV4     BIT(12)
624 #define NIX_FLOW_KEY_TYPE_INNR_IPV6     BIT(13)
625 #define NIX_FLOW_KEY_TYPE_INNR_TCP      BIT(14)
626 #define NIX_FLOW_KEY_TYPE_INNR_UDP      BIT(15)
627 #define NIX_FLOW_KEY_TYPE_INNR_SCTP     BIT(16)
628 #define NIX_FLOW_KEY_TYPE_INNR_ETH_DMAC BIT(17)
629 #define NIX_FLOW_KEY_TYPE_VLAN		BIT(20)
630 	u32	flowkey_cfg; /* Flowkey types selected */
631 	u8	group;       /* RSS context or group */
632 };
633 
634 struct nix_rss_flowkey_cfg_rsp {
635 	struct mbox_msghdr hdr;
636 	u8	alg_idx; /* Selected algo index */
637 };
638 
639 struct nix_set_mac_addr {
640 	struct mbox_msghdr hdr;
641 	u8 mac_addr[ETH_ALEN]; /* MAC address to be set for this pcifunc */
642 };
643 
644 struct nix_get_mac_addr_rsp {
645 	struct mbox_msghdr hdr;
646 	u8 mac_addr[ETH_ALEN];
647 };
648 
649 struct nix_mark_format_cfg {
650 	struct mbox_msghdr hdr;
651 	u8 offset;
652 	u8 y_mask;
653 	u8 y_val;
654 	u8 r_mask;
655 	u8 r_val;
656 };
657 
658 struct nix_mark_format_cfg_rsp {
659 	struct mbox_msghdr hdr;
660 	u8 mark_format_idx;
661 };
662 
663 struct nix_rx_mode {
664 	struct mbox_msghdr hdr;
665 #define NIX_RX_MODE_UCAST	BIT(0)
666 #define NIX_RX_MODE_PROMISC	BIT(1)
667 #define NIX_RX_MODE_ALLMULTI	BIT(2)
668 	u16	mode;
669 };
670 
671 struct nix_rx_cfg {
672 	struct mbox_msghdr hdr;
673 #define NIX_RX_OL3_VERIFY   BIT(0)
674 #define NIX_RX_OL4_VERIFY   BIT(1)
675 	u8 len_verify; /* Outer L3/L4 len check */
676 #define NIX_RX_CSUM_OL4_VERIFY  BIT(0)
677 	u8 csum_verify; /* Outer L4 checksum verification */
678 };
679 
680 struct nix_frs_cfg {
681 	struct mbox_msghdr hdr;
682 	u8	update_smq;    /* Update SMQ's min/max lens */
683 	u8	update_minlen; /* Set minlen also */
684 	u8	sdp_link;      /* Set SDP RX link */
685 	u16	maxlen;
686 	u16	minlen;
687 };
688 
689 struct nix_lso_format_cfg {
690 	struct mbox_msghdr hdr;
691 	u64 field_mask;
692 #define NIX_LSO_FIELD_MAX	8
693 	u64 fields[NIX_LSO_FIELD_MAX];
694 };
695 
696 struct nix_lso_format_cfg_rsp {
697 	struct mbox_msghdr hdr;
698 	u8 lso_format_idx;
699 };
700 
701 struct nix_bp_cfg_req {
702 	struct mbox_msghdr hdr;
703 	u16	chan_base; /* Starting channel number */
704 	u8	chan_cnt; /* Number of channels */
705 	u8	bpid_per_chan;
706 	/* bpid_per_chan = 0 assigns single bp id for range of channels */
707 	/* bpid_per_chan = 1 assigns separate bp id for each channel */
708 };
709 
710 /* PF can be mapped to either CGX or LBK interface,
711  * so maximum 64 channels are possible.
712  */
713 #define NIX_MAX_BPID_CHAN	64
714 struct nix_bp_cfg_rsp {
715 	struct mbox_msghdr hdr;
716 	u16	chan_bpid[NIX_MAX_BPID_CHAN]; /* Channel and bpid mapping */
717 	u8	chan_cnt; /* Number of channel for which bpids are assigned */
718 };
719 
720 /* NPC mbox message structs */
721 
722 #define NPC_MCAM_ENTRY_INVALID	0xFFFF
723 #define NPC_MCAM_INVALID_MAP	0xFFFF
724 
725 /* NPC mailbox error codes
726  * Range 701 - 800.
727  */
728 enum npc_af_status {
729 	NPC_MCAM_INVALID_REQ	= -701,
730 	NPC_MCAM_ALLOC_DENIED	= -702,
731 	NPC_MCAM_ALLOC_FAILED	= -703,
732 	NPC_MCAM_PERM_DENIED	= -704,
733 };
734 
735 struct npc_mcam_alloc_entry_req {
736 	struct mbox_msghdr hdr;
737 #define NPC_MAX_NONCONTIG_ENTRIES	256
738 	u8  contig;   /* Contiguous entries ? */
739 #define NPC_MCAM_ANY_PRIO		0
740 #define NPC_MCAM_LOWER_PRIO		1
741 #define NPC_MCAM_HIGHER_PRIO		2
742 	u8  priority; /* Lower or higher w.r.t ref_entry */
743 	u16 ref_entry;
744 	u16 count;    /* Number of entries requested */
745 };
746 
747 struct npc_mcam_alloc_entry_rsp {
748 	struct mbox_msghdr hdr;
749 	u16 entry; /* Entry allocated or start index if contiguous.
750 		    * Invalid incase of non-contiguous.
751 		    */
752 	u16 count; /* Number of entries allocated */
753 	u16 free_count; /* Number of entries available */
754 	u16 entry_list[NPC_MAX_NONCONTIG_ENTRIES];
755 };
756 
757 struct npc_mcam_free_entry_req {
758 	struct mbox_msghdr hdr;
759 	u16 entry; /* Entry index to be freed */
760 	u8  all;   /* If all entries allocated to this PFVF to be freed */
761 };
762 
763 struct mcam_entry {
764 #define NPC_MAX_KWS_IN_KEY	7 /* Number of keywords in max keywidth */
765 	u64	kw[NPC_MAX_KWS_IN_KEY];
766 	u64	kw_mask[NPC_MAX_KWS_IN_KEY];
767 	u64	action;
768 	u64	vtag_action;
769 };
770 
771 struct npc_mcam_write_entry_req {
772 	struct mbox_msghdr hdr;
773 	struct mcam_entry entry_data;
774 	u16 entry;	 /* MCAM entry to write this match key */
775 	u16 cntr;	 /* Counter for this MCAM entry */
776 	u8  intf;	 /* Rx or Tx interface */
777 	u8  enable_entry;/* Enable this MCAM entry ? */
778 	u8  set_cntr;    /* Set counter for this entry ? */
779 };
780 
781 /* Enable/Disable a given entry */
782 struct npc_mcam_ena_dis_entry_req {
783 	struct mbox_msghdr hdr;
784 	u16 entry;
785 };
786 
787 struct npc_mcam_shift_entry_req {
788 	struct mbox_msghdr hdr;
789 #define NPC_MCAM_MAX_SHIFTS	64
790 	u16 curr_entry[NPC_MCAM_MAX_SHIFTS];
791 	u16 new_entry[NPC_MCAM_MAX_SHIFTS];
792 	u16 shift_count; /* Number of entries to shift */
793 };
794 
795 struct npc_mcam_shift_entry_rsp {
796 	struct mbox_msghdr hdr;
797 	u16 failed_entry_idx; /* Index in 'curr_entry', not entry itself */
798 };
799 
800 struct npc_mcam_alloc_counter_req {
801 	struct mbox_msghdr hdr;
802 	u8  contig;	/* Contiguous counters ? */
803 #define NPC_MAX_NONCONTIG_COUNTERS       64
804 	u16 count;	/* Number of counters requested */
805 };
806 
807 struct npc_mcam_alloc_counter_rsp {
808 	struct mbox_msghdr hdr;
809 	u16 cntr;   /* Counter allocated or start index if contiguous.
810 		     * Invalid incase of non-contiguous.
811 		     */
812 	u16 count;  /* Number of counters allocated */
813 	u16 cntr_list[NPC_MAX_NONCONTIG_COUNTERS];
814 };
815 
816 struct npc_mcam_oper_counter_req {
817 	struct mbox_msghdr hdr;
818 	u16 cntr;   /* Free a counter or clear/fetch it's stats */
819 };
820 
821 struct npc_mcam_oper_counter_rsp {
822 	struct mbox_msghdr hdr;
823 	u64 stat;  /* valid only while fetching counter's stats */
824 };
825 
826 struct npc_mcam_unmap_counter_req {
827 	struct mbox_msghdr hdr;
828 	u16 cntr;
829 	u16 entry; /* Entry and counter to be unmapped */
830 	u8  all;   /* Unmap all entries using this counter ? */
831 };
832 
833 struct npc_mcam_alloc_and_write_entry_req {
834 	struct mbox_msghdr hdr;
835 	struct mcam_entry entry_data;
836 	u16 ref_entry;
837 	u8  priority;    /* Lower or higher w.r.t ref_entry */
838 	u8  intf;	 /* Rx or Tx interface */
839 	u8  enable_entry;/* Enable this MCAM entry ? */
840 	u8  alloc_cntr;  /* Allocate counter and map ? */
841 };
842 
843 struct npc_mcam_alloc_and_write_entry_rsp {
844 	struct mbox_msghdr hdr;
845 	u16 entry;
846 	u16 cntr;
847 };
848 
849 struct npc_get_kex_cfg_rsp {
850 	struct mbox_msghdr hdr;
851 	u64 rx_keyx_cfg;   /* NPC_AF_INTF(0)_KEX_CFG */
852 	u64 tx_keyx_cfg;   /* NPC_AF_INTF(1)_KEX_CFG */
853 #define NPC_MAX_INTF	2
854 #define NPC_MAX_LID	8
855 #define NPC_MAX_LT	16
856 #define NPC_MAX_LD	2
857 #define NPC_MAX_LFL	16
858 	/* NPC_AF_KEX_LDATA(0..1)_FLAGS_CFG */
859 	u64 kex_ld_flags[NPC_MAX_LD];
860 	/* NPC_AF_INTF(0..1)_LID(0..7)_LT(0..15)_LD(0..1)_CFG */
861 	u64 intf_lid_lt_ld[NPC_MAX_INTF][NPC_MAX_LID][NPC_MAX_LT][NPC_MAX_LD];
862 	/* NPC_AF_INTF(0..1)_LDATA(0..1)_FLAGS(0..15)_CFG */
863 	u64 intf_ld_flags[NPC_MAX_INTF][NPC_MAX_LD][NPC_MAX_LFL];
864 #define MKEX_NAME_LEN 128
865 	u8 mkex_pfl_name[MKEX_NAME_LEN];
866 };
867 
868 enum ptp_op {
869 	PTP_OP_ADJFINE = 0,
870 	PTP_OP_GET_CLOCK = 1,
871 };
872 
873 struct ptp_req {
874 	struct mbox_msghdr hdr;
875 	u8 op;
876 	s64 scaled_ppm;
877 };
878 
879 struct ptp_rsp {
880 	struct mbox_msghdr hdr;
881 	u64 clk;
882 };
883 
884 #endif /* MBOX_H */
885