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 #ifndef _QED_H
34 #define _QED_H
35
36 #include <linux/types.h>
37 #include <linux/io.h>
38 #include <linux/delay.h>
39 #include <linux/firmware.h>
40 #include <linux/interrupt.h>
41 #include <linux/list.h>
42 #include <linux/mutex.h>
43 #include <linux/pci.h>
44 #include <linux/slab.h>
45 #include <linux/string.h>
46 #include <linux/workqueue.h>
47 #include <linux/zlib.h>
48 #include <linux/hashtable.h>
49 #include <linux/qed/qed_if.h>
50 #include "qed_debug.h"
51 #include "qed_hsi.h"
52
53 extern const struct qed_common_ops qed_common_ops_pass;
54
55 #define QED_MAJOR_VERSION 8
56 #define QED_MINOR_VERSION 37
57 #define QED_REVISION_VERSION 0
58 #define QED_ENGINEERING_VERSION 20
59
60 #define QED_VERSION \
61 ((QED_MAJOR_VERSION << 24) | (QED_MINOR_VERSION << 16) | \
62 (QED_REVISION_VERSION << 8) | QED_ENGINEERING_VERSION)
63
64 #define STORM_FW_VERSION \
65 ((FW_MAJOR_VERSION << 24) | (FW_MINOR_VERSION << 16) | \
66 (FW_REVISION_VERSION << 8) | FW_ENGINEERING_VERSION)
67
68 #define MAX_HWFNS_PER_DEVICE (4)
69 #define NAME_SIZE 16
70 #define VER_SIZE 16
71
72 #define QED_WFQ_UNIT 100
73
74 #define QED_WID_SIZE (1024)
75 #define QED_MIN_WIDS (4)
76 #define QED_PF_DEMS_SIZE (4)
77
78 /* cau states */
79 enum qed_coalescing_mode {
80 QED_COAL_MODE_DISABLE,
81 QED_COAL_MODE_ENABLE
82 };
83
84 enum qed_nvm_cmd {
85 QED_PUT_FILE_BEGIN = DRV_MSG_CODE_NVM_PUT_FILE_BEGIN,
86 QED_PUT_FILE_DATA = DRV_MSG_CODE_NVM_PUT_FILE_DATA,
87 QED_NVM_WRITE_NVRAM = DRV_MSG_CODE_NVM_WRITE_NVRAM,
88 QED_GET_MCP_NVM_RESP = 0xFFFFFF00
89 };
90
91 struct qed_eth_cb_ops;
92 struct qed_dev_info;
93 union qed_mcp_protocol_stats;
94 enum qed_mcp_protocol_type;
95 enum qed_mfw_tlv_type;
96 union qed_mfw_tlv_data;
97
98 /* helpers */
99 #define QED_MFW_GET_FIELD(name, field) \
100 (((name) & (field ## _MASK)) >> (field ## _SHIFT))
101
102 #define QED_MFW_SET_FIELD(name, field, value) \
103 do { \
104 (name) &= ~(field ## _MASK); \
105 (name) |= (((value) << (field ## _SHIFT)) & (field ## _MASK));\
106 } while (0)
107
qed_db_addr(u32 cid,u32 DEMS)108 static inline u32 qed_db_addr(u32 cid, u32 DEMS)
109 {
110 u32 db_addr = FIELD_VALUE(DB_LEGACY_ADDR_DEMS, DEMS) |
111 (cid * QED_PF_DEMS_SIZE);
112
113 return db_addr;
114 }
115
qed_db_addr_vf(u32 cid,u32 DEMS)116 static inline u32 qed_db_addr_vf(u32 cid, u32 DEMS)
117 {
118 u32 db_addr = FIELD_VALUE(DB_LEGACY_ADDR_DEMS, DEMS) |
119 FIELD_VALUE(DB_LEGACY_ADDR_ICID, cid);
120
121 return db_addr;
122 }
123
124 #define ALIGNED_TYPE_SIZE(type_name, p_hwfn) \
125 ((sizeof(type_name) + (u32)(1 << (p_hwfn->cdev->cache_shift)) - 1) & \
126 ~((1 << (p_hwfn->cdev->cache_shift)) - 1))
127
128 #define for_each_hwfn(cdev, i) for (i = 0; i < cdev->num_hwfns; i++)
129
130 #define D_TRINE(val, cond1, cond2, true1, true2, def) \
131 (val == (cond1) ? true1 : \
132 (val == (cond2) ? true2 : def))
133
134 /* forward */
135 struct qed_ptt_pool;
136 struct qed_spq;
137 struct qed_sb_info;
138 struct qed_sb_attn_info;
139 struct qed_cxt_mngr;
140 struct qed_sb_sp_info;
141 struct qed_ll2_info;
142 struct qed_mcp_info;
143 struct qed_llh_info;
144
145 struct qed_rt_data {
146 u32 *init_val;
147 bool *b_valid;
148 };
149
150 enum qed_tunn_mode {
151 QED_MODE_L2GENEVE_TUNN,
152 QED_MODE_IPGENEVE_TUNN,
153 QED_MODE_L2GRE_TUNN,
154 QED_MODE_IPGRE_TUNN,
155 QED_MODE_VXLAN_TUNN,
156 };
157
158 enum qed_tunn_clss {
159 QED_TUNN_CLSS_MAC_VLAN,
160 QED_TUNN_CLSS_MAC_VNI,
161 QED_TUNN_CLSS_INNER_MAC_VLAN,
162 QED_TUNN_CLSS_INNER_MAC_VNI,
163 QED_TUNN_CLSS_MAC_VLAN_DUAL_STAGE,
164 MAX_QED_TUNN_CLSS,
165 };
166
167 struct qed_tunn_update_type {
168 bool b_update_mode;
169 bool b_mode_enabled;
170 enum qed_tunn_clss tun_cls;
171 };
172
173 struct qed_tunn_update_udp_port {
174 bool b_update_port;
175 u16 port;
176 };
177
178 struct qed_tunnel_info {
179 struct qed_tunn_update_type vxlan;
180 struct qed_tunn_update_type l2_geneve;
181 struct qed_tunn_update_type ip_geneve;
182 struct qed_tunn_update_type l2_gre;
183 struct qed_tunn_update_type ip_gre;
184
185 struct qed_tunn_update_udp_port vxlan_port;
186 struct qed_tunn_update_udp_port geneve_port;
187
188 bool b_update_rx_cls;
189 bool b_update_tx_cls;
190 };
191
192 struct qed_tunn_start_params {
193 unsigned long tunn_mode;
194 u16 vxlan_udp_port;
195 u16 geneve_udp_port;
196 u8 update_vxlan_udp_port;
197 u8 update_geneve_udp_port;
198 u8 tunn_clss_vxlan;
199 u8 tunn_clss_l2geneve;
200 u8 tunn_clss_ipgeneve;
201 u8 tunn_clss_l2gre;
202 u8 tunn_clss_ipgre;
203 };
204
205 struct qed_tunn_update_params {
206 unsigned long tunn_mode_update_mask;
207 unsigned long tunn_mode;
208 u16 vxlan_udp_port;
209 u16 geneve_udp_port;
210 u8 update_rx_pf_clss;
211 u8 update_tx_pf_clss;
212 u8 update_vxlan_udp_port;
213 u8 update_geneve_udp_port;
214 u8 tunn_clss_vxlan;
215 u8 tunn_clss_l2geneve;
216 u8 tunn_clss_ipgeneve;
217 u8 tunn_clss_l2gre;
218 u8 tunn_clss_ipgre;
219 };
220
221 /* The PCI personality is not quite synonymous to protocol ID:
222 * 1. All personalities need CORE connections
223 * 2. The Ethernet personality may support also the RoCE/iWARP protocol
224 */
225 enum qed_pci_personality {
226 QED_PCI_ETH,
227 QED_PCI_FCOE,
228 QED_PCI_ISCSI,
229 QED_PCI_ETH_ROCE,
230 QED_PCI_ETH_IWARP,
231 QED_PCI_ETH_RDMA,
232 QED_PCI_DEFAULT, /* default in shmem */
233 };
234
235 /* All VFs are symmetric, all counters are PF + all VFs */
236 struct qed_qm_iids {
237 u32 cids;
238 u32 vf_cids;
239 u32 tids;
240 };
241
242 /* HW / FW resources, output of features supported below, most information
243 * is received from MFW.
244 */
245 enum qed_resources {
246 QED_SB,
247 QED_L2_QUEUE,
248 QED_VPORT,
249 QED_RSS_ENG,
250 QED_PQ,
251 QED_RL,
252 QED_MAC,
253 QED_VLAN,
254 QED_RDMA_CNQ_RAM,
255 QED_ILT,
256 QED_LL2_QUEUE,
257 QED_CMDQS_CQS,
258 QED_RDMA_STATS_QUEUE,
259 QED_BDQ,
260 QED_MAX_RESC,
261 };
262
263 enum QED_FEATURE {
264 QED_PF_L2_QUE,
265 QED_VF,
266 QED_RDMA_CNQ,
267 QED_ISCSI_CQ,
268 QED_FCOE_CQ,
269 QED_VF_L2_QUE,
270 QED_MAX_FEATURES,
271 };
272
273 enum QED_PORT_MODE {
274 QED_PORT_MODE_DE_2X40G,
275 QED_PORT_MODE_DE_2X50G,
276 QED_PORT_MODE_DE_1X100G,
277 QED_PORT_MODE_DE_4X10G_F,
278 QED_PORT_MODE_DE_4X10G_E,
279 QED_PORT_MODE_DE_4X20G,
280 QED_PORT_MODE_DE_1X40G,
281 QED_PORT_MODE_DE_2X25G,
282 QED_PORT_MODE_DE_1X25G,
283 QED_PORT_MODE_DE_4X25G,
284 QED_PORT_MODE_DE_2X10G,
285 };
286
287 enum qed_dev_cap {
288 QED_DEV_CAP_ETH,
289 QED_DEV_CAP_FCOE,
290 QED_DEV_CAP_ISCSI,
291 QED_DEV_CAP_ROCE,
292 QED_DEV_CAP_IWARP,
293 };
294
295 enum qed_wol_support {
296 QED_WOL_SUPPORT_NONE,
297 QED_WOL_SUPPORT_PME,
298 };
299
300 enum qed_db_rec_exec {
301 DB_REC_DRY_RUN,
302 DB_REC_REAL_DEAL,
303 DB_REC_ONCE,
304 };
305
306 struct qed_hw_info {
307 /* PCI personality */
308 enum qed_pci_personality personality;
309 #define QED_IS_RDMA_PERSONALITY(dev) \
310 ((dev)->hw_info.personality == QED_PCI_ETH_ROCE || \
311 (dev)->hw_info.personality == QED_PCI_ETH_IWARP || \
312 (dev)->hw_info.personality == QED_PCI_ETH_RDMA)
313 #define QED_IS_ROCE_PERSONALITY(dev) \
314 ((dev)->hw_info.personality == QED_PCI_ETH_ROCE || \
315 (dev)->hw_info.personality == QED_PCI_ETH_RDMA)
316 #define QED_IS_IWARP_PERSONALITY(dev) \
317 ((dev)->hw_info.personality == QED_PCI_ETH_IWARP || \
318 (dev)->hw_info.personality == QED_PCI_ETH_RDMA)
319 #define QED_IS_L2_PERSONALITY(dev) \
320 ((dev)->hw_info.personality == QED_PCI_ETH || \
321 QED_IS_RDMA_PERSONALITY(dev))
322 #define QED_IS_FCOE_PERSONALITY(dev) \
323 ((dev)->hw_info.personality == QED_PCI_FCOE)
324 #define QED_IS_ISCSI_PERSONALITY(dev) \
325 ((dev)->hw_info.personality == QED_PCI_ISCSI)
326
327 /* Resource Allocation scheme results */
328 u32 resc_start[QED_MAX_RESC];
329 u32 resc_num[QED_MAX_RESC];
330 u32 feat_num[QED_MAX_FEATURES];
331
332 #define RESC_START(_p_hwfn, resc) ((_p_hwfn)->hw_info.resc_start[resc])
333 #define RESC_NUM(_p_hwfn, resc) ((_p_hwfn)->hw_info.resc_num[resc])
334 #define RESC_END(_p_hwfn, resc) (RESC_START(_p_hwfn, resc) + \
335 RESC_NUM(_p_hwfn, resc))
336 #define FEAT_NUM(_p_hwfn, resc) ((_p_hwfn)->hw_info.feat_num[resc])
337
338 /* Amount of traffic classes HW supports */
339 u8 num_hw_tc;
340
341 /* Amount of TCs which should be active according to DCBx or upper
342 * layer driver configuration.
343 */
344 u8 num_active_tc;
345 u8 offload_tc;
346 bool offload_tc_set;
347
348 bool multi_tc_roce_en;
349 #define IS_QED_MULTI_TC_ROCE(p_hwfn) (((p_hwfn)->hw_info.multi_tc_roce_en))
350
351 u32 concrete_fid;
352 u16 opaque_fid;
353 u16 ovlan;
354 u32 part_num[4];
355
356 unsigned char hw_mac_addr[ETH_ALEN];
357 u64 node_wwn;
358 u64 port_wwn;
359
360 u16 num_fcoe_conns;
361
362 struct qed_igu_info *p_igu_info;
363
364 u32 port_mode;
365 u32 hw_mode;
366 unsigned long device_capabilities;
367 u16 mtu;
368
369 enum qed_wol_support b_wol_support;
370 };
371
372 /* maximun size of read/write commands (HW limit) */
373 #define DMAE_MAX_RW_SIZE 0x2000
374
375 struct qed_dmae_info {
376 /* Mutex for synchronizing access to functions */
377 struct mutex mutex;
378
379 u8 channel;
380
381 dma_addr_t completion_word_phys_addr;
382
383 /* The memory location where the DMAE writes the completion
384 * value when an operation is finished on this context.
385 */
386 u32 *p_completion_word;
387
388 dma_addr_t intermediate_buffer_phys_addr;
389
390 /* An intermediate buffer for DMAE operations that use virtual
391 * addresses - data is DMA'd to/from this buffer and then
392 * memcpy'd to/from the virtual address
393 */
394 u32 *p_intermediate_buffer;
395
396 dma_addr_t dmae_cmd_phys_addr;
397 struct dmae_cmd *p_dmae_cmd;
398 };
399
400 struct qed_wfq_data {
401 /* when feature is configured for at least 1 vport */
402 u32 min_speed;
403 bool configured;
404 };
405
406 struct qed_qm_info {
407 struct init_qm_pq_params *qm_pq_params;
408 struct init_qm_vport_params *qm_vport_params;
409 struct init_qm_port_params *qm_port_params;
410 u16 start_pq;
411 u8 start_vport;
412 u16 pure_lb_pq;
413 u16 first_ofld_pq;
414 u16 first_llt_pq;
415 u16 pure_ack_pq;
416 u16 ooo_pq;
417 u16 first_vf_pq;
418 u16 first_mcos_pq;
419 u16 first_rl_pq;
420 u16 num_pqs;
421 u16 num_vf_pqs;
422 u8 num_vports;
423 u8 max_phys_tcs_per_port;
424 u8 ooo_tc;
425 bool pf_rl_en;
426 bool pf_wfq_en;
427 bool vport_rl_en;
428 bool vport_wfq_en;
429 u8 pf_wfq;
430 u32 pf_rl;
431 struct qed_wfq_data *wfq_data;
432 u8 num_pf_rls;
433 };
434
435 #define QED_OVERFLOW_BIT 1
436
437 struct qed_db_recovery_info {
438 struct list_head list;
439
440 /* Lock to protect the doorbell recovery mechanism list */
441 spinlock_t lock;
442 bool dorq_attn;
443 u32 db_recovery_counter;
444 unsigned long overflow;
445 };
446
447 struct storm_stats {
448 u32 address;
449 u32 len;
450 };
451
452 struct qed_storm_stats {
453 struct storm_stats mstats;
454 struct storm_stats pstats;
455 struct storm_stats tstats;
456 struct storm_stats ustats;
457 };
458
459 struct qed_fw_data {
460 struct fw_ver_info *fw_ver_info;
461 const u8 *modes_tree_buf;
462 union init_op *init_ops;
463 const u32 *arr_data;
464 u32 init_ops_size;
465 };
466
467 enum qed_mf_mode_bit {
468 /* Supports PF-classification based on tag */
469 QED_MF_OVLAN_CLSS,
470
471 /* Supports PF-classification based on MAC */
472 QED_MF_LLH_MAC_CLSS,
473
474 /* Supports PF-classification based on protocol type */
475 QED_MF_LLH_PROTO_CLSS,
476
477 /* Requires a default PF to be set */
478 QED_MF_NEED_DEF_PF,
479
480 /* Allow LL2 to multicast/broadcast */
481 QED_MF_LL2_NON_UNICAST,
482
483 /* Allow Cross-PF [& child VFs] Tx-switching */
484 QED_MF_INTER_PF_SWITCH,
485
486 /* Unified Fabtic Port support enabled */
487 QED_MF_UFP_SPECIFIC,
488
489 /* Disable Accelerated Receive Flow Steering (aRFS) */
490 QED_MF_DISABLE_ARFS,
491
492 /* Use vlan for steering */
493 QED_MF_8021Q_TAGGING,
494
495 /* Use stag for steering */
496 QED_MF_8021AD_TAGGING,
497
498 /* Allow DSCP to TC mapping */
499 QED_MF_DSCP_TO_TC_MAP,
500
501 /* Do not insert a vlan tag with id 0 */
502 QED_MF_DONT_ADD_VLAN0_TAG,
503 };
504
505 enum qed_ufp_mode {
506 QED_UFP_MODE_ETS,
507 QED_UFP_MODE_VNIC_BW,
508 QED_UFP_MODE_UNKNOWN
509 };
510
511 enum qed_ufp_pri_type {
512 QED_UFP_PRI_OS,
513 QED_UFP_PRI_VNIC,
514 QED_UFP_PRI_UNKNOWN
515 };
516
517 struct qed_ufp_info {
518 enum qed_ufp_pri_type pri_type;
519 enum qed_ufp_mode mode;
520 u8 tc;
521 };
522
523 enum BAR_ID {
524 BAR_ID_0, /* used for GRC */
525 BAR_ID_1 /* Used for doorbells */
526 };
527
528 struct qed_nvm_image_info {
529 u32 num_images;
530 struct bist_nvm_image_att *image_att;
531 bool valid;
532 };
533
534 #define DRV_MODULE_VERSION \
535 __stringify(QED_MAJOR_VERSION) "." \
536 __stringify(QED_MINOR_VERSION) "." \
537 __stringify(QED_REVISION_VERSION) "." \
538 __stringify(QED_ENGINEERING_VERSION)
539
540 struct qed_simd_fp_handler {
541 void *token;
542 void (*func)(void *);
543 };
544
545 enum qed_slowpath_wq_flag {
546 QED_SLOWPATH_MFW_TLV_REQ,
547 QED_SLOWPATH_PERIODIC_DB_REC,
548 };
549
550 struct qed_hwfn {
551 struct qed_dev *cdev;
552 u8 my_id; /* ID inside the PF */
553 #define IS_LEAD_HWFN(edev) (!((edev)->my_id))
554 u8 rel_pf_id; /* Relative to engine*/
555 u8 abs_pf_id;
556 #define QED_PATH_ID(_p_hwfn) \
557 (QED_IS_K2((_p_hwfn)->cdev) ? 0 : ((_p_hwfn)->abs_pf_id & 1))
558 u8 port_id;
559 bool b_active;
560
561 u32 dp_module;
562 u8 dp_level;
563 char name[NAME_SIZE];
564
565 bool hw_init_done;
566
567 u8 num_funcs_on_engine;
568 u8 enabled_func_idx;
569
570 /* BAR access */
571 void __iomem *regview;
572 void __iomem *doorbells;
573 u64 db_phys_addr;
574 unsigned long db_size;
575
576 /* PTT pool */
577 struct qed_ptt_pool *p_ptt_pool;
578
579 /* HW info */
580 struct qed_hw_info hw_info;
581
582 /* rt_array (for init-tool) */
583 struct qed_rt_data rt_data;
584
585 /* SPQ */
586 struct qed_spq *p_spq;
587
588 /* EQ */
589 struct qed_eq *p_eq;
590
591 /* Consolidate Q*/
592 struct qed_consq *p_consq;
593
594 /* Slow-Path definitions */
595 struct tasklet_struct *sp_dpc;
596 bool b_sp_dpc_enabled;
597
598 struct qed_ptt *p_main_ptt;
599 struct qed_ptt *p_dpc_ptt;
600
601 /* PTP will be used only by the leading function.
602 * Usage of all PTP-apis should be synchronized as result.
603 */
604 struct qed_ptt *p_ptp_ptt;
605
606 struct qed_sb_sp_info *p_sp_sb;
607 struct qed_sb_attn_info *p_sb_attn;
608
609 /* Protocol related */
610 bool using_ll2;
611 struct qed_ll2_info *p_ll2_info;
612 struct qed_ooo_info *p_ooo_info;
613 struct qed_rdma_info *p_rdma_info;
614 struct qed_iscsi_info *p_iscsi_info;
615 struct qed_fcoe_info *p_fcoe_info;
616 struct qed_pf_params pf_params;
617
618 bool b_rdma_enabled_in_prs;
619 u32 rdma_prs_search_reg;
620
621 struct qed_cxt_mngr *p_cxt_mngr;
622
623 /* Flag indicating whether interrupts are enabled or not*/
624 bool b_int_enabled;
625 bool b_int_requested;
626
627 /* True if the driver requests for the link */
628 bool b_drv_link_init;
629
630 struct qed_vf_iov *vf_iov_info;
631 struct qed_pf_iov *pf_iov_info;
632 struct qed_mcp_info *mcp_info;
633
634 struct qed_dcbx_info *p_dcbx_info;
635
636 struct qed_ufp_info ufp_info;
637
638 struct qed_dmae_info dmae_info;
639
640 /* QM init */
641 struct qed_qm_info qm_info;
642 struct qed_storm_stats storm_stats;
643
644 /* Buffer for unzipping firmware data */
645 void *unzip_buf;
646
647 struct dbg_tools_data dbg_info;
648 void *dbg_user_info;
649
650 /* PWM region specific data */
651 u16 wid_count;
652 u32 dpi_size;
653 u32 dpi_count;
654
655 /* This is used to calculate the doorbell address */
656 u32 dpi_start_offset;
657
658 /* If one of the following is set then EDPM shouldn't be used */
659 u8 dcbx_no_edpm;
660 u8 db_bar_no_edpm;
661
662 /* L2-related */
663 struct qed_l2_info *p_l2_info;
664
665 /* Mechanism for recovering from doorbell drop */
666 struct qed_db_recovery_info db_recovery_info;
667
668 /* Nvm images number and attributes */
669 struct qed_nvm_image_info nvm_info;
670
671 struct qed_ptt *p_arfs_ptt;
672
673 struct qed_simd_fp_handler simd_proto_handler[64];
674
675 #ifdef CONFIG_QED_SRIOV
676 struct workqueue_struct *iov_wq;
677 struct delayed_work iov_task;
678 unsigned long iov_task_flags;
679 #endif
680 struct z_stream_s *stream;
681 bool slowpath_wq_active;
682 struct workqueue_struct *slowpath_wq;
683 struct delayed_work slowpath_task;
684 unsigned long slowpath_task_flags;
685 u32 periodic_db_rec_count;
686 };
687
688 struct pci_params {
689 int pm_cap;
690
691 unsigned long mem_start;
692 unsigned long mem_end;
693 unsigned int irq;
694 u8 pf_num;
695 };
696
697 struct qed_int_param {
698 u32 int_mode;
699 u8 num_vectors;
700 u8 min_msix_cnt; /* for minimal functionality */
701 };
702
703 struct qed_int_params {
704 struct qed_int_param in;
705 struct qed_int_param out;
706 struct msix_entry *msix_table;
707 bool fp_initialized;
708 u8 fp_msix_base;
709 u8 fp_msix_cnt;
710 u8 rdma_msix_base;
711 u8 rdma_msix_cnt;
712 };
713
714 struct qed_dbg_feature {
715 struct dentry *dentry;
716 u8 *dump_buf;
717 u32 buf_size;
718 u32 dumped_dwords;
719 };
720
721 struct qed_dbg_params {
722 struct qed_dbg_feature features[DBG_FEATURE_NUM];
723 u8 engine_for_debug;
724 bool print_data;
725 };
726
727 struct qed_dev {
728 u32 dp_module;
729 u8 dp_level;
730 char name[NAME_SIZE];
731
732 enum qed_dev_type type;
733 /* Translate type/revision combo into the proper conditions */
734 #define QED_IS_BB(dev) ((dev)->type == QED_DEV_TYPE_BB)
735 #define QED_IS_BB_B0(dev) (QED_IS_BB(dev) && \
736 CHIP_REV_IS_B0(dev))
737 #define QED_IS_AH(dev) ((dev)->type == QED_DEV_TYPE_AH)
738 #define QED_IS_K2(dev) QED_IS_AH(dev)
739
740 u16 vendor_id;
741 u16 device_id;
742 #define QED_DEV_ID_MASK 0xff00
743 #define QED_DEV_ID_MASK_BB 0x1600
744 #define QED_DEV_ID_MASK_AH 0x8000
745 #define QED_IS_E4(dev) (QED_IS_BB(dev) || QED_IS_AH(dev))
746
747 u16 chip_num;
748 #define CHIP_NUM_MASK 0xffff
749 #define CHIP_NUM_SHIFT 16
750
751 u16 chip_rev;
752 #define CHIP_REV_MASK 0xf
753 #define CHIP_REV_SHIFT 12
754 #define CHIP_REV_IS_B0(_cdev) ((_cdev)->chip_rev == 1)
755
756 u16 chip_metal;
757 #define CHIP_METAL_MASK 0xff
758 #define CHIP_METAL_SHIFT 4
759
760 u16 chip_bond_id;
761 #define CHIP_BOND_ID_MASK 0xf
762 #define CHIP_BOND_ID_SHIFT 0
763
764 u8 num_engines;
765 u8 num_ports;
766 u8 num_ports_in_engine;
767 u8 num_funcs_in_port;
768
769 u8 path_id;
770
771 unsigned long mf_bits;
772
773 int pcie_width;
774 int pcie_speed;
775
776 /* Add MF related configuration */
777 u8 mcp_rev;
778 u8 boot_mode;
779
780 /* WoL related configurations */
781 u8 wol_config;
782 u8 wol_mac[ETH_ALEN];
783
784 u32 int_mode;
785 enum qed_coalescing_mode int_coalescing_mode;
786 u16 rx_coalesce_usecs;
787 u16 tx_coalesce_usecs;
788
789 /* Start Bar offset of first hwfn */
790 void __iomem *regview;
791 void __iomem *doorbells;
792 u64 db_phys_addr;
793 unsigned long db_size;
794
795 /* PCI */
796 u8 cache_shift;
797
798 /* Init */
799 const struct iro *iro_arr;
800 #define IRO (p_hwfn->cdev->iro_arr)
801
802 /* HW functions */
803 u8 num_hwfns;
804 struct qed_hwfn hwfns[MAX_HWFNS_PER_DEVICE];
805
806 /* Engine affinity */
807 u8 l2_affin_hint;
808 u8 fir_affin;
809 u8 iwarp_affin;
810
811 /* SRIOV */
812 struct qed_hw_sriov_info *p_iov_info;
813 #define IS_QED_SRIOV(cdev) (!!(cdev)->p_iov_info)
814 struct qed_tunnel_info tunnel;
815 bool b_is_vf;
816 u32 drv_type;
817 struct qed_eth_stats *reset_stats;
818 struct qed_fw_data *fw_data;
819
820 u32 mcp_nvm_resp;
821
822 /* Recovery */
823 bool recov_in_prog;
824
825 /* LLH info */
826 u8 ppfid_bitmap;
827 struct qed_llh_info *p_llh_info;
828
829 /* Linux specific here */
830 struct qede_dev *edev;
831 struct pci_dev *pdev;
832 u32 flags;
833 #define QED_FLAG_STORAGE_STARTED (BIT(0))
834 int msg_enable;
835
836 struct pci_params pci_params;
837
838 struct qed_int_params int_params;
839
840 u8 protocol;
841 #define IS_QED_ETH_IF(cdev) ((cdev)->protocol == QED_PROTOCOL_ETH)
842 #define IS_QED_FCOE_IF(cdev) ((cdev)->protocol == QED_PROTOCOL_FCOE)
843
844 /* Callbacks to protocol driver */
845 union {
846 struct qed_common_cb_ops *common;
847 struct qed_eth_cb_ops *eth;
848 struct qed_fcoe_cb_ops *fcoe;
849 struct qed_iscsi_cb_ops *iscsi;
850 } protocol_ops;
851 void *ops_cookie;
852
853 struct qed_dbg_params dbg_params;
854
855 #ifdef CONFIG_QED_LL2
856 struct qed_cb_ll2_info *ll2;
857 u8 ll2_mac_address[ETH_ALEN];
858 #endif
859 DECLARE_HASHTABLE(connections, 10);
860 const struct firmware *firmware;
861
862 u32 rdma_max_sge;
863 u32 rdma_max_inline;
864 u32 rdma_max_srq_sge;
865 u16 tunn_feature_mask;
866
867 struct devlink *dl;
868 bool iwarp_cmt;
869 };
870
871 #define NUM_OF_VFS(dev) (QED_IS_BB(dev) ? MAX_NUM_VFS_BB \
872 : MAX_NUM_VFS_K2)
873 #define NUM_OF_L2_QUEUES(dev) (QED_IS_BB(dev) ? MAX_NUM_L2_QUEUES_BB \
874 : MAX_NUM_L2_QUEUES_K2)
875 #define NUM_OF_PORTS(dev) (QED_IS_BB(dev) ? MAX_NUM_PORTS_BB \
876 : MAX_NUM_PORTS_K2)
877 #define NUM_OF_SBS(dev) (QED_IS_BB(dev) ? MAX_SB_PER_PATH_BB \
878 : MAX_SB_PER_PATH_K2)
879 #define NUM_OF_ENG_PFS(dev) (QED_IS_BB(dev) ? MAX_NUM_PFS_BB \
880 : MAX_NUM_PFS_K2)
881
882 /**
883 * @brief qed_concrete_to_sw_fid - get the sw function id from
884 * the concrete value.
885 *
886 * @param concrete_fid
887 *
888 * @return inline u8
889 */
qed_concrete_to_sw_fid(struct qed_dev * cdev,u32 concrete_fid)890 static inline u8 qed_concrete_to_sw_fid(struct qed_dev *cdev,
891 u32 concrete_fid)
892 {
893 u8 vfid = GET_FIELD(concrete_fid, PXP_CONCRETE_FID_VFID);
894 u8 pfid = GET_FIELD(concrete_fid, PXP_CONCRETE_FID_PFID);
895 u8 vf_valid = GET_FIELD(concrete_fid,
896 PXP_CONCRETE_FID_VFVALID);
897 u8 sw_fid;
898
899 if (vf_valid)
900 sw_fid = vfid + MAX_NUM_PFS;
901 else
902 sw_fid = pfid;
903
904 return sw_fid;
905 }
906
907 #define PKT_LB_TC 9
908 #define MAX_NUM_VOQS_E4 20
909
910 int qed_configure_vport_wfq(struct qed_dev *cdev, u16 vp_id, u32 rate);
911 void qed_configure_vp_wfq_on_link_change(struct qed_dev *cdev,
912 struct qed_ptt *p_ptt,
913 u32 min_pf_rate);
914
915 void qed_clean_wfq_db(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);
916 int qed_device_num_engines(struct qed_dev *cdev);
917 void qed_set_fw_mac_addr(__le16 *fw_msb,
918 __le16 *fw_mid, __le16 *fw_lsb, u8 *mac);
919
920 #define QED_LEADING_HWFN(dev) (&dev->hwfns[0])
921 #define QED_IS_CMT(dev) ((dev)->num_hwfns > 1)
922 /* Macros for getting the engine-affinitized hwfn (FIR: fcoe,iscsi,roce) */
923 #define QED_FIR_AFFIN_HWFN(dev) (&(dev)->hwfns[dev->fir_affin])
924 #define QED_IWARP_AFFIN_HWFN(dev) (&(dev)->hwfns[dev->iwarp_affin])
925 #define QED_AFFIN_HWFN(dev) \
926 (QED_IS_IWARP_PERSONALITY(QED_LEADING_HWFN(dev)) ? \
927 QED_IWARP_AFFIN_HWFN(dev) : QED_FIR_AFFIN_HWFN(dev))
928 #define QED_AFFIN_HWFN_IDX(dev) (IS_LEAD_HWFN(QED_AFFIN_HWFN(dev)) ? 0 : 1)
929
930 /* Flags for indication of required queues */
931 #define PQ_FLAGS_RLS (BIT(0))
932 #define PQ_FLAGS_MCOS (BIT(1))
933 #define PQ_FLAGS_LB (BIT(2))
934 #define PQ_FLAGS_OOO (BIT(3))
935 #define PQ_FLAGS_ACK (BIT(4))
936 #define PQ_FLAGS_OFLD (BIT(5))
937 #define PQ_FLAGS_VFS (BIT(6))
938 #define PQ_FLAGS_LLT (BIT(7))
939 #define PQ_FLAGS_MTC (BIT(8))
940
941 /* physical queue index for cm context intialization */
942 u16 qed_get_cm_pq_idx(struct qed_hwfn *p_hwfn, u32 pq_flags);
943 u16 qed_get_cm_pq_idx_mcos(struct qed_hwfn *p_hwfn, u8 tc);
944 u16 qed_get_cm_pq_idx_vf(struct qed_hwfn *p_hwfn, u16 vf);
945 u16 qed_get_cm_pq_idx_ofld_mtc(struct qed_hwfn *p_hwfn, u8 tc);
946 u16 qed_get_cm_pq_idx_llt_mtc(struct qed_hwfn *p_hwfn, u8 tc);
947
948 /* doorbell recovery mechanism */
949 void qed_db_recovery_dp(struct qed_hwfn *p_hwfn);
950 void qed_db_recovery_execute(struct qed_hwfn *p_hwfn);
951 bool qed_edpm_enabled(struct qed_hwfn *p_hwfn);
952
953 /* Other Linux specific common definitions */
954 #define DP_NAME(cdev) ((cdev)->name)
955
956 #define REG_ADDR(cdev, offset) (void __iomem *)((u8 __iomem *)\
957 (cdev->regview) + \
958 (offset))
959
960 #define REG_RD(cdev, offset) readl(REG_ADDR(cdev, offset))
961 #define REG_WR(cdev, offset, val) writel((u32)val, REG_ADDR(cdev, offset))
962 #define REG_WR16(cdev, offset, val) writew((u16)val, REG_ADDR(cdev, offset))
963
964 #define DOORBELL(cdev, db_addr, val) \
965 writel((u32)val, (void __iomem *)((u8 __iomem *)\
966 (cdev->doorbells) + (db_addr)))
967
968 #define MFW_PORT(_p_hwfn) ((_p_hwfn)->abs_pf_id % \
969 qed_device_num_ports((_p_hwfn)->cdev))
970 int qed_device_num_ports(struct qed_dev *cdev);
971
972 /* Prototypes */
973 int qed_fill_dev_info(struct qed_dev *cdev,
974 struct qed_dev_info *dev_info);
975 void qed_link_update(struct qed_hwfn *hwfn, struct qed_ptt *ptt);
976 u32 qed_unzip_data(struct qed_hwfn *p_hwfn,
977 u32 input_len, u8 *input_buf,
978 u32 max_size, u8 *unzip_buf);
979 void qed_schedule_recovery_handler(struct qed_hwfn *p_hwfn);
980 void qed_get_protocol_stats(struct qed_dev *cdev,
981 enum qed_mcp_protocol_type type,
982 union qed_mcp_protocol_stats *stats);
983 int qed_slowpath_irq_req(struct qed_hwfn *hwfn);
984 void qed_slowpath_irq_sync(struct qed_hwfn *p_hwfn);
985 int qed_mfw_tlv_req(struct qed_hwfn *hwfn);
986
987 int qed_mfw_fill_tlv_data(struct qed_hwfn *hwfn,
988 enum qed_mfw_tlv_type type,
989 union qed_mfw_tlv_data *tlv_data);
990
991 void qed_hw_info_set_offload_tc(struct qed_hw_info *p_info, u8 tc);
992
993 void qed_periodic_db_rec_start(struct qed_hwfn *p_hwfn);
994 #endif /* _QED_H */
995
