1 /* QLogic qed NIC Driver
2 * Copyright (c) 2015-2017 QLogic Corporation
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:
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
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.
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
33 #include <linux/types.h>
34 #include <asm/byteorder.h>
36 #include <linux/delay.h>
37 #include <linux/dma-mapping.h>
38 #include <linux/errno.h>
39 #include <linux/kernel.h>
40 #include <linux/mutex.h>
41 #include <linux/pci.h>
42 #include <linux/slab.h>
43 #include <linux/string.h>
44 #include <linux/vmalloc.h>
45 #include <linux/etherdevice.h>
46 #include <linux/qed/qed_chain.h>
47 #include <linux/qed/qed_if.h>
51 #include "qed_dev_api.h"
55 #include "qed_init_ops.h"
57 #include "qed_iscsi.h"
61 #include "qed_reg_addr.h"
63 #include "qed_sriov.h"
67 static DEFINE_SPINLOCK(qm_lock);
69 /******************** Doorbell Recovery *******************/
70 /* The doorbell recovery mechanism consists of a list of entries which represent
71 * doorbelling entities (l2 queues, roce sq/rq/cqs, the slowpath spq, etc). Each
72 * entity needs to register with the mechanism and provide the parameters
73 * describing it's doorbell, including a location where last used doorbell data
74 * can be found. The doorbell execute function will traverse the list and
75 * doorbell all of the registered entries.
77 struct qed_db_recovery_entry {
78 struct list_head list_entry;
79 void __iomem *db_addr;
81 enum qed_db_rec_width db_width;
82 enum qed_db_rec_space db_space;
86 /* Display a single doorbell recovery entry */
87 static void qed_db_recovery_dp_entry(struct qed_hwfn *p_hwfn,
88 struct qed_db_recovery_entry *db_entry,
93 "(%s: db_entry %p, addr %p, data %p, width %s, %s space, hwfn %d)\n",
98 db_entry->db_width == DB_REC_WIDTH_32B ? "32b" : "64b",
99 db_entry->db_space == DB_REC_USER ? "user" : "kernel",
103 /* Doorbell address sanity (address within doorbell bar range) */
104 static bool qed_db_rec_sanity(struct qed_dev *cdev,
105 void __iomem *db_addr, void *db_data)
107 /* Make sure doorbell address is within the doorbell bar */
108 if (db_addr < cdev->doorbells ||
109 (u8 __iomem *)db_addr >
110 (u8 __iomem *)cdev->doorbells + cdev->db_size) {
112 "Illegal doorbell address: %p. Legal range for doorbell addresses is [%p..%p]\n",
115 (u8 __iomem *)cdev->doorbells + cdev->db_size);
119 /* ake sure doorbell data pointer is not null */
121 WARN(true, "Illegal doorbell data pointer: %p", db_data);
128 /* Find hwfn according to the doorbell address */
129 static struct qed_hwfn *qed_db_rec_find_hwfn(struct qed_dev *cdev,
130 void __iomem *db_addr)
132 struct qed_hwfn *p_hwfn;
134 /* In CMT doorbell bar is split down the middle between engine 0 and enigne 1 */
135 if (cdev->num_hwfns > 1)
136 p_hwfn = db_addr < cdev->hwfns[1].doorbells ?
137 &cdev->hwfns[0] : &cdev->hwfns[1];
139 p_hwfn = QED_LEADING_HWFN(cdev);
144 /* Add a new entry to the doorbell recovery mechanism */
145 int qed_db_recovery_add(struct qed_dev *cdev,
146 void __iomem *db_addr,
148 enum qed_db_rec_width db_width,
149 enum qed_db_rec_space db_space)
151 struct qed_db_recovery_entry *db_entry;
152 struct qed_hwfn *p_hwfn;
154 /* Shortcircuit VFs, for now */
157 QED_MSG_IOV, "db recovery - skipping VF doorbell\n");
161 /* Sanitize doorbell address */
162 if (!qed_db_rec_sanity(cdev, db_addr, db_data))
165 /* Obtain hwfn from doorbell address */
166 p_hwfn = qed_db_rec_find_hwfn(cdev, db_addr);
169 db_entry = kzalloc(sizeof(*db_entry), GFP_KERNEL);
171 DP_NOTICE(cdev, "Failed to allocate a db recovery entry\n");
176 db_entry->db_addr = db_addr;
177 db_entry->db_data = db_data;
178 db_entry->db_width = db_width;
179 db_entry->db_space = db_space;
180 db_entry->hwfn_idx = p_hwfn->my_id;
183 qed_db_recovery_dp_entry(p_hwfn, db_entry, "Adding");
185 /* Protect the list */
186 spin_lock_bh(&p_hwfn->db_recovery_info.lock);
187 list_add_tail(&db_entry->list_entry, &p_hwfn->db_recovery_info.list);
188 spin_unlock_bh(&p_hwfn->db_recovery_info.lock);
193 /* Remove an entry from the doorbell recovery mechanism */
194 int qed_db_recovery_del(struct qed_dev *cdev,
195 void __iomem *db_addr, void *db_data)
197 struct qed_db_recovery_entry *db_entry = NULL;
198 struct qed_hwfn *p_hwfn;
201 /* Shortcircuit VFs, for now */
204 QED_MSG_IOV, "db recovery - skipping VF doorbell\n");
208 /* Sanitize doorbell address */
209 if (!qed_db_rec_sanity(cdev, db_addr, db_data))
212 /* Obtain hwfn from doorbell address */
213 p_hwfn = qed_db_rec_find_hwfn(cdev, db_addr);
215 /* Protect the list */
216 spin_lock_bh(&p_hwfn->db_recovery_info.lock);
217 list_for_each_entry(db_entry,
218 &p_hwfn->db_recovery_info.list, list_entry) {
219 /* search according to db_data addr since db_addr is not unique (roce) */
220 if (db_entry->db_data == db_data) {
221 qed_db_recovery_dp_entry(p_hwfn, db_entry, "Deleting");
222 list_del(&db_entry->list_entry);
228 spin_unlock_bh(&p_hwfn->db_recovery_info.lock);
233 "Failed to find element in list. Key (db_data addr) was %p. db_addr was %p\n",
241 /* Initialize the doorbell recovery mechanism */
242 static int qed_db_recovery_setup(struct qed_hwfn *p_hwfn)
244 DP_VERBOSE(p_hwfn, QED_MSG_SPQ, "Setting up db recovery\n");
246 /* Make sure db_size was set in cdev */
247 if (!p_hwfn->cdev->db_size) {
248 DP_ERR(p_hwfn->cdev, "db_size not set\n");
252 INIT_LIST_HEAD(&p_hwfn->db_recovery_info.list);
253 spin_lock_init(&p_hwfn->db_recovery_info.lock);
254 p_hwfn->db_recovery_info.db_recovery_counter = 0;
259 /* Destroy the doorbell recovery mechanism */
260 static void qed_db_recovery_teardown(struct qed_hwfn *p_hwfn)
262 struct qed_db_recovery_entry *db_entry = NULL;
264 DP_VERBOSE(p_hwfn, QED_MSG_SPQ, "Tearing down db recovery\n");
265 if (!list_empty(&p_hwfn->db_recovery_info.list)) {
268 "Doorbell Recovery teardown found the doorbell recovery list was not empty (Expected in disorderly driver unload (e.g. recovery) otherwise this probably means some flow forgot to db_recovery_del). Prepare to purge doorbell recovery list...\n");
269 while (!list_empty(&p_hwfn->db_recovery_info.list)) {
271 list_first_entry(&p_hwfn->db_recovery_info.list,
272 struct qed_db_recovery_entry,
274 qed_db_recovery_dp_entry(p_hwfn, db_entry, "Purging");
275 list_del(&db_entry->list_entry);
279 p_hwfn->db_recovery_info.db_recovery_counter = 0;
282 /* Print the content of the doorbell recovery mechanism */
283 void qed_db_recovery_dp(struct qed_hwfn *p_hwfn)
285 struct qed_db_recovery_entry *db_entry = NULL;
288 "Displaying doorbell recovery database. Counter was %d\n",
289 p_hwfn->db_recovery_info.db_recovery_counter);
291 /* Protect the list */
292 spin_lock_bh(&p_hwfn->db_recovery_info.lock);
293 list_for_each_entry(db_entry,
294 &p_hwfn->db_recovery_info.list, list_entry) {
295 qed_db_recovery_dp_entry(p_hwfn, db_entry, "Printing");
298 spin_unlock_bh(&p_hwfn->db_recovery_info.lock);
301 /* Ring the doorbell of a single doorbell recovery entry */
302 static void qed_db_recovery_ring(struct qed_hwfn *p_hwfn,
303 struct qed_db_recovery_entry *db_entry,
304 enum qed_db_rec_exec db_exec)
306 if (db_exec != DB_REC_ONCE) {
307 /* Print according to width */
308 if (db_entry->db_width == DB_REC_WIDTH_32B) {
309 DP_VERBOSE(p_hwfn, QED_MSG_SPQ,
310 "%s doorbell address %p data %x\n",
311 db_exec == DB_REC_DRY_RUN ?
312 "would have rung" : "ringing",
314 *(u32 *)db_entry->db_data);
316 DP_VERBOSE(p_hwfn, QED_MSG_SPQ,
317 "%s doorbell address %p data %llx\n",
318 db_exec == DB_REC_DRY_RUN ?
319 "would have rung" : "ringing",
321 *(u64 *)(db_entry->db_data));
326 if (!qed_db_rec_sanity(p_hwfn->cdev, db_entry->db_addr,
330 /* Flush the write combined buffer. Since there are multiple doorbelling
331 * entities using the same address, if we don't flush, a transaction
336 /* Ring the doorbell */
337 if (db_exec == DB_REC_REAL_DEAL || db_exec == DB_REC_ONCE) {
338 if (db_entry->db_width == DB_REC_WIDTH_32B)
339 DIRECT_REG_WR(db_entry->db_addr,
340 *(u32 *)(db_entry->db_data));
342 DIRECT_REG_WR64(db_entry->db_addr,
343 *(u64 *)(db_entry->db_data));
346 /* Flush the write combined buffer. Next doorbell may come from a
347 * different entity to the same address...
352 /* Traverse the doorbell recovery entry list and ring all the doorbells */
353 void qed_db_recovery_execute(struct qed_hwfn *p_hwfn,
354 enum qed_db_rec_exec db_exec)
356 struct qed_db_recovery_entry *db_entry = NULL;
358 if (db_exec != DB_REC_ONCE) {
360 "Executing doorbell recovery. Counter was %d\n",
361 p_hwfn->db_recovery_info.db_recovery_counter);
363 /* Track amount of times recovery was executed */
364 p_hwfn->db_recovery_info.db_recovery_counter++;
367 /* Protect the list */
368 spin_lock_bh(&p_hwfn->db_recovery_info.lock);
369 list_for_each_entry(db_entry,
370 &p_hwfn->db_recovery_info.list, list_entry) {
371 qed_db_recovery_ring(p_hwfn, db_entry, db_exec);
372 if (db_exec == DB_REC_ONCE)
376 spin_unlock_bh(&p_hwfn->db_recovery_info.lock);
379 /******************** Doorbell Recovery end ****************/
381 #define QED_MIN_DPIS (4)
382 #define QED_MIN_PWM_REGION (QED_WID_SIZE * QED_MIN_DPIS)
384 static u32 qed_hw_bar_size(struct qed_hwfn *p_hwfn,
385 struct qed_ptt *p_ptt, enum BAR_ID bar_id)
387 u32 bar_reg = (bar_id == BAR_ID_0 ?
388 PGLUE_B_REG_PF_BAR0_SIZE : PGLUE_B_REG_PF_BAR1_SIZE);
391 if (IS_VF(p_hwfn->cdev))
392 return qed_vf_hw_bar_size(p_hwfn, bar_id);
394 val = qed_rd(p_hwfn, p_ptt, bar_reg);
396 return 1 << (val + 15);
398 /* Old MFW initialized above registered only conditionally */
399 if (p_hwfn->cdev->num_hwfns > 1) {
401 "BAR size not configured. Assuming BAR size of 256kB for GRC and 512kB for DB\n");
402 return BAR_ID_0 ? 256 * 1024 : 512 * 1024;
405 "BAR size not configured. Assuming BAR size of 512kB for GRC and 512kB for DB\n");
410 void qed_init_dp(struct qed_dev *cdev, u32 dp_module, u8 dp_level)
414 cdev->dp_level = dp_level;
415 cdev->dp_module = dp_module;
416 for (i = 0; i < MAX_HWFNS_PER_DEVICE; i++) {
417 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
419 p_hwfn->dp_level = dp_level;
420 p_hwfn->dp_module = dp_module;
424 void qed_init_struct(struct qed_dev *cdev)
428 for (i = 0; i < MAX_HWFNS_PER_DEVICE; i++) {
429 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
433 p_hwfn->b_active = false;
435 mutex_init(&p_hwfn->dmae_info.mutex);
438 /* hwfn 0 is always active */
439 cdev->hwfns[0].b_active = true;
441 /* set the default cache alignment to 128 */
442 cdev->cache_shift = 7;
445 static void qed_qm_info_free(struct qed_hwfn *p_hwfn)
447 struct qed_qm_info *qm_info = &p_hwfn->qm_info;
449 kfree(qm_info->qm_pq_params);
450 qm_info->qm_pq_params = NULL;
451 kfree(qm_info->qm_vport_params);
452 qm_info->qm_vport_params = NULL;
453 kfree(qm_info->qm_port_params);
454 qm_info->qm_port_params = NULL;
455 kfree(qm_info->wfq_data);
456 qm_info->wfq_data = NULL;
459 static void qed_dbg_user_data_free(struct qed_hwfn *p_hwfn)
461 kfree(p_hwfn->dbg_user_info);
462 p_hwfn->dbg_user_info = NULL;
465 void qed_resc_free(struct qed_dev *cdev)
470 for_each_hwfn(cdev, i)
471 qed_l2_free(&cdev->hwfns[i]);
475 kfree(cdev->fw_data);
476 cdev->fw_data = NULL;
478 kfree(cdev->reset_stats);
479 cdev->reset_stats = NULL;
481 for_each_hwfn(cdev, i) {
482 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
484 qed_cxt_mngr_free(p_hwfn);
485 qed_qm_info_free(p_hwfn);
486 qed_spq_free(p_hwfn);
488 qed_consq_free(p_hwfn);
489 qed_int_free(p_hwfn);
490 #ifdef CONFIG_QED_LL2
491 qed_ll2_free(p_hwfn);
493 if (p_hwfn->hw_info.personality == QED_PCI_FCOE)
494 qed_fcoe_free(p_hwfn);
496 if (p_hwfn->hw_info.personality == QED_PCI_ISCSI) {
497 qed_iscsi_free(p_hwfn);
498 qed_ooo_free(p_hwfn);
501 if (QED_IS_RDMA_PERSONALITY(p_hwfn))
502 qed_rdma_info_free(p_hwfn);
504 qed_iov_free(p_hwfn);
506 qed_dmae_info_free(p_hwfn);
507 qed_dcbx_info_free(p_hwfn);
508 qed_dbg_user_data_free(p_hwfn);
510 /* Destroy doorbell recovery mechanism */
511 qed_db_recovery_teardown(p_hwfn);
515 /******************** QM initialization *******************/
516 #define ACTIVE_TCS_BMAP 0x9f
517 #define ACTIVE_TCS_BMAP_4PORT_K2 0xf
519 /* determines the physical queue flags for a given PF. */
520 static u32 qed_get_pq_flags(struct qed_hwfn *p_hwfn)
528 if (IS_QED_SRIOV(p_hwfn->cdev))
529 flags |= PQ_FLAGS_VFS;
532 switch (p_hwfn->hw_info.personality) {
534 flags |= PQ_FLAGS_MCOS;
537 flags |= PQ_FLAGS_OFLD;
540 flags |= PQ_FLAGS_ACK | PQ_FLAGS_OOO | PQ_FLAGS_OFLD;
542 case QED_PCI_ETH_ROCE:
543 flags |= PQ_FLAGS_MCOS | PQ_FLAGS_OFLD | PQ_FLAGS_LLT;
544 if (IS_QED_MULTI_TC_ROCE(p_hwfn))
545 flags |= PQ_FLAGS_MTC;
547 case QED_PCI_ETH_IWARP:
548 flags |= PQ_FLAGS_MCOS | PQ_FLAGS_ACK | PQ_FLAGS_OOO |
553 "unknown personality %d\n", p_hwfn->hw_info.personality);
560 /* Getters for resource amounts necessary for qm initialization */
561 static u8 qed_init_qm_get_num_tcs(struct qed_hwfn *p_hwfn)
563 return p_hwfn->hw_info.num_hw_tc;
566 static u16 qed_init_qm_get_num_vfs(struct qed_hwfn *p_hwfn)
568 return IS_QED_SRIOV(p_hwfn->cdev) ?
569 p_hwfn->cdev->p_iov_info->total_vfs : 0;
572 static u8 qed_init_qm_get_num_mtc_tcs(struct qed_hwfn *p_hwfn)
574 u32 pq_flags = qed_get_pq_flags(p_hwfn);
576 if (!(PQ_FLAGS_MTC & pq_flags))
579 return qed_init_qm_get_num_tcs(p_hwfn);
582 #define NUM_DEFAULT_RLS 1
584 static u16 qed_init_qm_get_num_pf_rls(struct qed_hwfn *p_hwfn)
586 u16 num_pf_rls, num_vfs = qed_init_qm_get_num_vfs(p_hwfn);
588 /* num RLs can't exceed resource amount of rls or vports */
589 num_pf_rls = (u16) min_t(u32, RESC_NUM(p_hwfn, QED_RL),
590 RESC_NUM(p_hwfn, QED_VPORT));
592 /* Make sure after we reserve there's something left */
593 if (num_pf_rls < num_vfs + NUM_DEFAULT_RLS)
596 /* subtract rls necessary for VFs and one default one for the PF */
597 num_pf_rls -= num_vfs + NUM_DEFAULT_RLS;
602 static u16 qed_init_qm_get_num_vports(struct qed_hwfn *p_hwfn)
604 u32 pq_flags = qed_get_pq_flags(p_hwfn);
606 /* all pqs share the same vport, except for vfs and pf_rl pqs */
607 return (!!(PQ_FLAGS_RLS & pq_flags)) *
608 qed_init_qm_get_num_pf_rls(p_hwfn) +
609 (!!(PQ_FLAGS_VFS & pq_flags)) *
610 qed_init_qm_get_num_vfs(p_hwfn) + 1;
613 /* calc amount of PQs according to the requested flags */
614 static u16 qed_init_qm_get_num_pqs(struct qed_hwfn *p_hwfn)
616 u32 pq_flags = qed_get_pq_flags(p_hwfn);
618 return (!!(PQ_FLAGS_RLS & pq_flags)) *
619 qed_init_qm_get_num_pf_rls(p_hwfn) +
620 (!!(PQ_FLAGS_MCOS & pq_flags)) *
621 qed_init_qm_get_num_tcs(p_hwfn) +
622 (!!(PQ_FLAGS_LB & pq_flags)) + (!!(PQ_FLAGS_OOO & pq_flags)) +
623 (!!(PQ_FLAGS_ACK & pq_flags)) +
624 (!!(PQ_FLAGS_OFLD & pq_flags)) *
625 qed_init_qm_get_num_mtc_tcs(p_hwfn) +
626 (!!(PQ_FLAGS_LLT & pq_flags)) *
627 qed_init_qm_get_num_mtc_tcs(p_hwfn) +
628 (!!(PQ_FLAGS_VFS & pq_flags)) * qed_init_qm_get_num_vfs(p_hwfn);
631 /* initialize the top level QM params */
632 static void qed_init_qm_params(struct qed_hwfn *p_hwfn)
634 struct qed_qm_info *qm_info = &p_hwfn->qm_info;
637 /* pq and vport bases for this PF */
638 qm_info->start_pq = (u16) RESC_START(p_hwfn, QED_PQ);
639 qm_info->start_vport = (u8) RESC_START(p_hwfn, QED_VPORT);
641 /* rate limiting and weighted fair queueing are always enabled */
642 qm_info->vport_rl_en = true;
643 qm_info->vport_wfq_en = true;
645 /* TC config is different for AH 4 port */
646 four_port = p_hwfn->cdev->num_ports_in_engine == MAX_NUM_PORTS_K2;
648 /* in AH 4 port we have fewer TCs per port */
649 qm_info->max_phys_tcs_per_port = four_port ? NUM_PHYS_TCS_4PORT_K2 :
652 /* unless MFW indicated otherwise, ooo_tc == 3 for
653 * AH 4-port and 4 otherwise.
655 if (!qm_info->ooo_tc)
656 qm_info->ooo_tc = four_port ? DCBX_TCP_OOO_K2_4PORT_TC :
660 /* initialize qm vport params */
661 static void qed_init_qm_vport_params(struct qed_hwfn *p_hwfn)
663 struct qed_qm_info *qm_info = &p_hwfn->qm_info;
666 /* all vports participate in weighted fair queueing */
667 for (i = 0; i < qed_init_qm_get_num_vports(p_hwfn); i++)
668 qm_info->qm_vport_params[i].vport_wfq = 1;
671 /* initialize qm port params */
672 static void qed_init_qm_port_params(struct qed_hwfn *p_hwfn)
674 /* Initialize qm port parameters */
675 u8 i, active_phys_tcs, num_ports = p_hwfn->cdev->num_ports_in_engine;
677 /* indicate how ooo and high pri traffic is dealt with */
678 active_phys_tcs = num_ports == MAX_NUM_PORTS_K2 ?
679 ACTIVE_TCS_BMAP_4PORT_K2 :
682 for (i = 0; i < num_ports; i++) {
683 struct init_qm_port_params *p_qm_port =
684 &p_hwfn->qm_info.qm_port_params[i];
686 p_qm_port->active = 1;
687 p_qm_port->active_phys_tcs = active_phys_tcs;
688 p_qm_port->num_pbf_cmd_lines = PBF_MAX_CMD_LINES / num_ports;
689 p_qm_port->num_btb_blocks = BTB_MAX_BLOCKS / num_ports;
693 /* Reset the params which must be reset for qm init. QM init may be called as
694 * a result of flows other than driver load (e.g. dcbx renegotiation). Other
695 * params may be affected by the init but would simply recalculate to the same
696 * values. The allocations made for QM init, ports, vports, pqs and vfqs are not
697 * affected as these amounts stay the same.
699 static void qed_init_qm_reset_params(struct qed_hwfn *p_hwfn)
701 struct qed_qm_info *qm_info = &p_hwfn->qm_info;
703 qm_info->num_pqs = 0;
704 qm_info->num_vports = 0;
705 qm_info->num_pf_rls = 0;
706 qm_info->num_vf_pqs = 0;
707 qm_info->first_vf_pq = 0;
708 qm_info->first_mcos_pq = 0;
709 qm_info->first_rl_pq = 0;
712 static void qed_init_qm_advance_vport(struct qed_hwfn *p_hwfn)
714 struct qed_qm_info *qm_info = &p_hwfn->qm_info;
716 qm_info->num_vports++;
718 if (qm_info->num_vports > qed_init_qm_get_num_vports(p_hwfn))
720 "vport overflow! qm_info->num_vports %d, qm_init_get_num_vports() %d\n",
721 qm_info->num_vports, qed_init_qm_get_num_vports(p_hwfn));
724 /* initialize a single pq and manage qm_info resources accounting.
725 * The pq_init_flags param determines whether the PQ is rate limited
726 * (for VF or PF) and whether a new vport is allocated to the pq or not
727 * (i.e. vport will be shared).
730 /* flags for pq init */
731 #define PQ_INIT_SHARE_VPORT (1 << 0)
732 #define PQ_INIT_PF_RL (1 << 1)
733 #define PQ_INIT_VF_RL (1 << 2)
735 /* defines for pq init */
736 #define PQ_INIT_DEFAULT_WRR_GROUP 1
737 #define PQ_INIT_DEFAULT_TC 0
739 void qed_hw_info_set_offload_tc(struct qed_hw_info *p_info, u8 tc)
741 p_info->offload_tc = tc;
742 p_info->offload_tc_set = true;
745 static bool qed_is_offload_tc_set(struct qed_hwfn *p_hwfn)
747 return p_hwfn->hw_info.offload_tc_set;
750 static u32 qed_get_offload_tc(struct qed_hwfn *p_hwfn)
752 if (qed_is_offload_tc_set(p_hwfn))
753 return p_hwfn->hw_info.offload_tc;
755 return PQ_INIT_DEFAULT_TC;
758 static void qed_init_qm_pq(struct qed_hwfn *p_hwfn,
759 struct qed_qm_info *qm_info,
760 u8 tc, u32 pq_init_flags)
762 u16 pq_idx = qm_info->num_pqs, max_pq = qed_init_qm_get_num_pqs(p_hwfn);
766 "pq overflow! pq %d, max pq %d\n", pq_idx, max_pq);
769 qm_info->qm_pq_params[pq_idx].port_id = p_hwfn->port_id;
770 qm_info->qm_pq_params[pq_idx].vport_id = qm_info->start_vport +
772 qm_info->qm_pq_params[pq_idx].tc_id = tc;
773 qm_info->qm_pq_params[pq_idx].wrr_group = PQ_INIT_DEFAULT_WRR_GROUP;
774 qm_info->qm_pq_params[pq_idx].rl_valid =
775 (pq_init_flags & PQ_INIT_PF_RL || pq_init_flags & PQ_INIT_VF_RL);
777 /* qm params accounting */
779 if (!(pq_init_flags & PQ_INIT_SHARE_VPORT))
780 qm_info->num_vports++;
782 if (pq_init_flags & PQ_INIT_PF_RL)
783 qm_info->num_pf_rls++;
785 if (qm_info->num_vports > qed_init_qm_get_num_vports(p_hwfn))
787 "vport overflow! qm_info->num_vports %d, qm_init_get_num_vports() %d\n",
788 qm_info->num_vports, qed_init_qm_get_num_vports(p_hwfn));
790 if (qm_info->num_pf_rls > qed_init_qm_get_num_pf_rls(p_hwfn))
792 "rl overflow! qm_info->num_pf_rls %d, qm_init_get_num_pf_rls() %d\n",
793 qm_info->num_pf_rls, qed_init_qm_get_num_pf_rls(p_hwfn));
796 /* get pq index according to PQ_FLAGS */
797 static u16 *qed_init_qm_get_idx_from_flags(struct qed_hwfn *p_hwfn,
798 unsigned long pq_flags)
800 struct qed_qm_info *qm_info = &p_hwfn->qm_info;
802 /* Can't have multiple flags set here */
803 if (bitmap_weight(&pq_flags,
804 sizeof(pq_flags) * BITS_PER_BYTE) > 1) {
805 DP_ERR(p_hwfn, "requested multiple pq flags 0x%lx\n", pq_flags);
809 if (!(qed_get_pq_flags(p_hwfn) & pq_flags)) {
810 DP_ERR(p_hwfn, "pq flag 0x%lx is not set\n", pq_flags);
816 return &qm_info->first_rl_pq;
818 return &qm_info->first_mcos_pq;
820 return &qm_info->pure_lb_pq;
822 return &qm_info->ooo_pq;
824 return &qm_info->pure_ack_pq;
826 return &qm_info->first_ofld_pq;
828 return &qm_info->first_llt_pq;
830 return &qm_info->first_vf_pq;
836 return &qm_info->start_pq;
839 /* save pq index in qm info */
840 static void qed_init_qm_set_idx(struct qed_hwfn *p_hwfn,
841 u32 pq_flags, u16 pq_val)
843 u16 *base_pq_idx = qed_init_qm_get_idx_from_flags(p_hwfn, pq_flags);
845 *base_pq_idx = p_hwfn->qm_info.start_pq + pq_val;
848 /* get tx pq index, with the PQ TX base already set (ready for context init) */
849 u16 qed_get_cm_pq_idx(struct qed_hwfn *p_hwfn, u32 pq_flags)
851 u16 *base_pq_idx = qed_init_qm_get_idx_from_flags(p_hwfn, pq_flags);
853 return *base_pq_idx + CM_TX_PQ_BASE;
856 u16 qed_get_cm_pq_idx_mcos(struct qed_hwfn *p_hwfn, u8 tc)
858 u8 max_tc = qed_init_qm_get_num_tcs(p_hwfn);
861 DP_ERR(p_hwfn, "pq with flag 0x%lx do not exist\n",
863 return p_hwfn->qm_info.start_pq;
867 DP_ERR(p_hwfn, "tc %d must be smaller than %d\n", tc, max_tc);
869 return qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_MCOS) + (tc % max_tc);
872 u16 qed_get_cm_pq_idx_vf(struct qed_hwfn *p_hwfn, u16 vf)
874 u16 max_vf = qed_init_qm_get_num_vfs(p_hwfn);
877 DP_ERR(p_hwfn, "pq with flag 0x%lx do not exist\n",
879 return p_hwfn->qm_info.start_pq;
883 DP_ERR(p_hwfn, "vf %d must be smaller than %d\n", vf, max_vf);
885 return qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_VFS) + (vf % max_vf);
888 u16 qed_get_cm_pq_idx_ofld_mtc(struct qed_hwfn *p_hwfn, u8 tc)
890 u16 first_ofld_pq, pq_offset;
892 first_ofld_pq = qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_OFLD);
893 pq_offset = (tc < qed_init_qm_get_num_mtc_tcs(p_hwfn)) ?
894 tc : PQ_INIT_DEFAULT_TC;
896 return first_ofld_pq + pq_offset;
899 u16 qed_get_cm_pq_idx_llt_mtc(struct qed_hwfn *p_hwfn, u8 tc)
901 u16 first_llt_pq, pq_offset;
903 first_llt_pq = qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_LLT);
904 pq_offset = (tc < qed_init_qm_get_num_mtc_tcs(p_hwfn)) ?
905 tc : PQ_INIT_DEFAULT_TC;
907 return first_llt_pq + pq_offset;
910 /* Functions for creating specific types of pqs */
911 static void qed_init_qm_lb_pq(struct qed_hwfn *p_hwfn)
913 struct qed_qm_info *qm_info = &p_hwfn->qm_info;
915 if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_LB))
918 qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_LB, qm_info->num_pqs);
919 qed_init_qm_pq(p_hwfn, qm_info, PURE_LB_TC, PQ_INIT_SHARE_VPORT);
922 static void qed_init_qm_ooo_pq(struct qed_hwfn *p_hwfn)
924 struct qed_qm_info *qm_info = &p_hwfn->qm_info;
926 if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_OOO))
929 qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_OOO, qm_info->num_pqs);
930 qed_init_qm_pq(p_hwfn, qm_info, qm_info->ooo_tc, PQ_INIT_SHARE_VPORT);
933 static void qed_init_qm_pure_ack_pq(struct qed_hwfn *p_hwfn)
935 struct qed_qm_info *qm_info = &p_hwfn->qm_info;
937 if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_ACK))
940 qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_ACK, qm_info->num_pqs);
941 qed_init_qm_pq(p_hwfn, qm_info, qed_get_offload_tc(p_hwfn),
942 PQ_INIT_SHARE_VPORT);
945 static void qed_init_qm_mtc_pqs(struct qed_hwfn *p_hwfn)
947 u8 num_tcs = qed_init_qm_get_num_mtc_tcs(p_hwfn);
948 struct qed_qm_info *qm_info = &p_hwfn->qm_info;
951 /* override pq's TC if offload TC is set */
952 for (tc = 0; tc < num_tcs; tc++)
953 qed_init_qm_pq(p_hwfn, qm_info,
954 qed_is_offload_tc_set(p_hwfn) ?
955 p_hwfn->hw_info.offload_tc : tc,
956 PQ_INIT_SHARE_VPORT);
959 static void qed_init_qm_offload_pq(struct qed_hwfn *p_hwfn)
961 struct qed_qm_info *qm_info = &p_hwfn->qm_info;
963 if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_OFLD))
966 qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_OFLD, qm_info->num_pqs);
967 qed_init_qm_mtc_pqs(p_hwfn);
970 static void qed_init_qm_low_latency_pq(struct qed_hwfn *p_hwfn)
972 struct qed_qm_info *qm_info = &p_hwfn->qm_info;
974 if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_LLT))
977 qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_LLT, qm_info->num_pqs);
978 qed_init_qm_mtc_pqs(p_hwfn);
981 static void qed_init_qm_mcos_pqs(struct qed_hwfn *p_hwfn)
983 struct qed_qm_info *qm_info = &p_hwfn->qm_info;
986 if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_MCOS))
989 qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_MCOS, qm_info->num_pqs);
990 for (tc_idx = 0; tc_idx < qed_init_qm_get_num_tcs(p_hwfn); tc_idx++)
991 qed_init_qm_pq(p_hwfn, qm_info, tc_idx, PQ_INIT_SHARE_VPORT);
994 static void qed_init_qm_vf_pqs(struct qed_hwfn *p_hwfn)
996 struct qed_qm_info *qm_info = &p_hwfn->qm_info;
997 u16 vf_idx, num_vfs = qed_init_qm_get_num_vfs(p_hwfn);
999 if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_VFS))
1002 qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_VFS, qm_info->num_pqs);
1003 qm_info->num_vf_pqs = num_vfs;
1004 for (vf_idx = 0; vf_idx < num_vfs; vf_idx++)
1005 qed_init_qm_pq(p_hwfn,
1006 qm_info, PQ_INIT_DEFAULT_TC, PQ_INIT_VF_RL);
1009 static void qed_init_qm_rl_pqs(struct qed_hwfn *p_hwfn)
1011 u16 pf_rls_idx, num_pf_rls = qed_init_qm_get_num_pf_rls(p_hwfn);
1012 struct qed_qm_info *qm_info = &p_hwfn->qm_info;
1014 if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_RLS))
1017 qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_RLS, qm_info->num_pqs);
1018 for (pf_rls_idx = 0; pf_rls_idx < num_pf_rls; pf_rls_idx++)
1019 qed_init_qm_pq(p_hwfn, qm_info, qed_get_offload_tc(p_hwfn),
1023 static void qed_init_qm_pq_params(struct qed_hwfn *p_hwfn)
1025 /* rate limited pqs, must come first (FW assumption) */
1026 qed_init_qm_rl_pqs(p_hwfn);
1028 /* pqs for multi cos */
1029 qed_init_qm_mcos_pqs(p_hwfn);
1031 /* pure loopback pq */
1032 qed_init_qm_lb_pq(p_hwfn);
1034 /* out of order pq */
1035 qed_init_qm_ooo_pq(p_hwfn);
1038 qed_init_qm_pure_ack_pq(p_hwfn);
1040 /* pq for offloaded protocol */
1041 qed_init_qm_offload_pq(p_hwfn);
1043 /* low latency pq */
1044 qed_init_qm_low_latency_pq(p_hwfn);
1046 /* done sharing vports */
1047 qed_init_qm_advance_vport(p_hwfn);
1050 qed_init_qm_vf_pqs(p_hwfn);
1053 /* compare values of getters against resources amounts */
1054 static int qed_init_qm_sanity(struct qed_hwfn *p_hwfn)
1056 if (qed_init_qm_get_num_vports(p_hwfn) > RESC_NUM(p_hwfn, QED_VPORT)) {
1057 DP_ERR(p_hwfn, "requested amount of vports exceeds resource\n");
1061 if (qed_init_qm_get_num_pqs(p_hwfn) <= RESC_NUM(p_hwfn, QED_PQ))
1064 if (QED_IS_ROCE_PERSONALITY(p_hwfn)) {
1065 p_hwfn->hw_info.multi_tc_roce_en = 0;
1067 "multi-tc roce was disabled to reduce requested amount of pqs\n");
1068 if (qed_init_qm_get_num_pqs(p_hwfn) <= RESC_NUM(p_hwfn, QED_PQ))
1072 DP_ERR(p_hwfn, "requested amount of pqs exceeds resource\n");
1076 static void qed_dp_init_qm_params(struct qed_hwfn *p_hwfn)
1078 struct qed_qm_info *qm_info = &p_hwfn->qm_info;
1079 struct init_qm_vport_params *vport;
1080 struct init_qm_port_params *port;
1081 struct init_qm_pq_params *pq;
1084 /* top level params */
1087 "qm init top level params: start_pq %d, start_vport %d, pure_lb_pq %d, offload_pq %d, llt_pq %d, pure_ack_pq %d\n",
1089 qm_info->start_vport,
1090 qm_info->pure_lb_pq,
1091 qm_info->first_ofld_pq,
1092 qm_info->first_llt_pq,
1093 qm_info->pure_ack_pq);
1096 "ooo_pq %d, first_vf_pq %d, num_pqs %d, num_vf_pqs %d, num_vports %d, max_phys_tcs_per_port %d\n",
1098 qm_info->first_vf_pq,
1100 qm_info->num_vf_pqs,
1101 qm_info->num_vports, qm_info->max_phys_tcs_per_port);
1104 "pf_rl_en %d, pf_wfq_en %d, vport_rl_en %d, vport_wfq_en %d, pf_wfq %d, pf_rl %d, num_pf_rls %d, pq_flags %x\n",
1107 qm_info->vport_rl_en,
1108 qm_info->vport_wfq_en,
1111 qm_info->num_pf_rls, qed_get_pq_flags(p_hwfn));
1114 for (i = 0; i < p_hwfn->cdev->num_ports_in_engine; i++) {
1115 port = &(qm_info->qm_port_params[i]);
1118 "port idx %d, active %d, active_phys_tcs %d, num_pbf_cmd_lines %d, num_btb_blocks %d, reserved %d\n",
1121 port->active_phys_tcs,
1122 port->num_pbf_cmd_lines,
1123 port->num_btb_blocks, port->reserved);
1127 for (i = 0; i < qm_info->num_vports; i++) {
1128 vport = &(qm_info->qm_vport_params[i]);
1131 "vport idx %d, vport_rl %d, wfq %d, first_tx_pq_id [ ",
1132 qm_info->start_vport + i,
1133 vport->vport_rl, vport->vport_wfq);
1134 for (tc = 0; tc < NUM_OF_TCS; tc++)
1137 "%d ", vport->first_tx_pq_id[tc]);
1138 DP_VERBOSE(p_hwfn, NETIF_MSG_HW, "]\n");
1142 for (i = 0; i < qm_info->num_pqs; i++) {
1143 pq = &(qm_info->qm_pq_params[i]);
1146 "pq idx %d, port %d, vport_id %d, tc %d, wrr_grp %d, rl_valid %d\n",
1147 qm_info->start_pq + i,
1150 pq->tc_id, pq->wrr_group, pq->rl_valid);
1154 static void qed_init_qm_info(struct qed_hwfn *p_hwfn)
1156 /* reset params required for init run */
1157 qed_init_qm_reset_params(p_hwfn);
1159 /* init QM top level params */
1160 qed_init_qm_params(p_hwfn);
1162 /* init QM port params */
1163 qed_init_qm_port_params(p_hwfn);
1165 /* init QM vport params */
1166 qed_init_qm_vport_params(p_hwfn);
1168 /* init QM physical queue params */
1169 qed_init_qm_pq_params(p_hwfn);
1171 /* display all that init */
1172 qed_dp_init_qm_params(p_hwfn);
1175 /* This function reconfigures the QM pf on the fly.
1176 * For this purpose we:
1177 * 1. reconfigure the QM database
1178 * 2. set new values to runtime array
1179 * 3. send an sdm_qm_cmd through the rbc interface to stop the QM
1180 * 4. activate init tool in QM_PF stage
1181 * 5. send an sdm_qm_cmd through rbc interface to release the QM
1183 int qed_qm_reconf(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1185 struct qed_qm_info *qm_info = &p_hwfn->qm_info;
1189 /* initialize qed's qm data structure */
1190 qed_init_qm_info(p_hwfn);
1192 /* stop PF's qm queues */
1193 spin_lock_bh(&qm_lock);
1194 b_rc = qed_send_qm_stop_cmd(p_hwfn, p_ptt, false, true,
1195 qm_info->start_pq, qm_info->num_pqs);
1196 spin_unlock_bh(&qm_lock);
1200 /* clear the QM_PF runtime phase leftovers from previous init */
1201 qed_init_clear_rt_data(p_hwfn);
1203 /* prepare QM portion of runtime array */
1204 qed_qm_init_pf(p_hwfn, p_ptt, false);
1206 /* activate init tool on runtime array */
1207 rc = qed_init_run(p_hwfn, p_ptt, PHASE_QM_PF, p_hwfn->rel_pf_id,
1208 p_hwfn->hw_info.hw_mode);
1212 /* start PF's qm queues */
1213 spin_lock_bh(&qm_lock);
1214 b_rc = qed_send_qm_stop_cmd(p_hwfn, p_ptt, true, true,
1215 qm_info->start_pq, qm_info->num_pqs);
1216 spin_unlock_bh(&qm_lock);
1223 static int qed_alloc_qm_data(struct qed_hwfn *p_hwfn)
1225 struct qed_qm_info *qm_info = &p_hwfn->qm_info;
1228 rc = qed_init_qm_sanity(p_hwfn);
1232 qm_info->qm_pq_params = kcalloc(qed_init_qm_get_num_pqs(p_hwfn),
1233 sizeof(*qm_info->qm_pq_params),
1235 if (!qm_info->qm_pq_params)
1238 qm_info->qm_vport_params = kcalloc(qed_init_qm_get_num_vports(p_hwfn),
1239 sizeof(*qm_info->qm_vport_params),
1241 if (!qm_info->qm_vport_params)
1244 qm_info->qm_port_params = kcalloc(p_hwfn->cdev->num_ports_in_engine,
1245 sizeof(*qm_info->qm_port_params),
1247 if (!qm_info->qm_port_params)
1250 qm_info->wfq_data = kcalloc(qed_init_qm_get_num_vports(p_hwfn),
1251 sizeof(*qm_info->wfq_data),
1253 if (!qm_info->wfq_data)
1259 DP_NOTICE(p_hwfn, "Failed to allocate memory for QM params\n");
1260 qed_qm_info_free(p_hwfn);
1264 int qed_resc_alloc(struct qed_dev *cdev)
1266 u32 rdma_tasks, excess_tasks;
1271 for_each_hwfn(cdev, i) {
1272 rc = qed_l2_alloc(&cdev->hwfns[i]);
1279 cdev->fw_data = kzalloc(sizeof(*cdev->fw_data), GFP_KERNEL);
1283 for_each_hwfn(cdev, i) {
1284 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
1285 u32 n_eqes, num_cons;
1287 /* Initialize the doorbell recovery mechanism */
1288 rc = qed_db_recovery_setup(p_hwfn);
1292 /* First allocate the context manager structure */
1293 rc = qed_cxt_mngr_alloc(p_hwfn);
1297 /* Set the HW cid/tid numbers (in the contest manager)
1298 * Must be done prior to any further computations.
1300 rc = qed_cxt_set_pf_params(p_hwfn, RDMA_MAX_TIDS);
1304 rc = qed_alloc_qm_data(p_hwfn);
1309 qed_init_qm_info(p_hwfn);
1311 /* Compute the ILT client partition */
1312 rc = qed_cxt_cfg_ilt_compute(p_hwfn, &line_count);
1315 "too many ILT lines; re-computing with less lines\n");
1316 /* In case there are not enough ILT lines we reduce the
1317 * number of RDMA tasks and re-compute.
1320 qed_cxt_cfg_ilt_compute_excess(p_hwfn, line_count);
1324 rdma_tasks = RDMA_MAX_TIDS - excess_tasks;
1325 rc = qed_cxt_set_pf_params(p_hwfn, rdma_tasks);
1329 rc = qed_cxt_cfg_ilt_compute(p_hwfn, &line_count);
1332 "failed ILT compute. Requested too many lines: %u\n",
1339 /* CID map / ILT shadow table / T2
1340 * The talbes sizes are determined by the computations above
1342 rc = qed_cxt_tables_alloc(p_hwfn);
1346 /* SPQ, must follow ILT because initializes SPQ context */
1347 rc = qed_spq_alloc(p_hwfn);
1351 /* SP status block allocation */
1352 p_hwfn->p_dpc_ptt = qed_get_reserved_ptt(p_hwfn,
1355 rc = qed_int_alloc(p_hwfn, p_hwfn->p_main_ptt);
1359 rc = qed_iov_alloc(p_hwfn);
1364 n_eqes = qed_chain_get_capacity(&p_hwfn->p_spq->chain);
1365 if (QED_IS_RDMA_PERSONALITY(p_hwfn)) {
1366 enum protocol_type rdma_proto;
1368 if (QED_IS_ROCE_PERSONALITY(p_hwfn))
1369 rdma_proto = PROTOCOLID_ROCE;
1371 rdma_proto = PROTOCOLID_IWARP;
1373 num_cons = qed_cxt_get_proto_cid_count(p_hwfn,
1376 n_eqes += num_cons + 2 * MAX_NUM_VFS_BB;
1377 } else if (p_hwfn->hw_info.personality == QED_PCI_ISCSI) {
1379 qed_cxt_get_proto_cid_count(p_hwfn,
1382 n_eqes += 2 * num_cons;
1385 if (n_eqes > 0xFFFF) {
1387 "Cannot allocate 0x%x EQ elements. The maximum of a u16 chain is 0x%x\n",
1392 rc = qed_eq_alloc(p_hwfn, (u16) n_eqes);
1396 rc = qed_consq_alloc(p_hwfn);
1400 rc = qed_l2_alloc(p_hwfn);
1404 #ifdef CONFIG_QED_LL2
1405 if (p_hwfn->using_ll2) {
1406 rc = qed_ll2_alloc(p_hwfn);
1412 if (p_hwfn->hw_info.personality == QED_PCI_FCOE) {
1413 rc = qed_fcoe_alloc(p_hwfn);
1418 if (p_hwfn->hw_info.personality == QED_PCI_ISCSI) {
1419 rc = qed_iscsi_alloc(p_hwfn);
1422 rc = qed_ooo_alloc(p_hwfn);
1427 if (QED_IS_RDMA_PERSONALITY(p_hwfn)) {
1428 rc = qed_rdma_info_alloc(p_hwfn);
1433 /* DMA info initialization */
1434 rc = qed_dmae_info_alloc(p_hwfn);
1438 /* DCBX initialization */
1439 rc = qed_dcbx_info_alloc(p_hwfn);
1443 rc = qed_dbg_alloc_user_data(p_hwfn);
1448 cdev->reset_stats = kzalloc(sizeof(*cdev->reset_stats), GFP_KERNEL);
1449 if (!cdev->reset_stats)
1457 qed_resc_free(cdev);
1461 void qed_resc_setup(struct qed_dev *cdev)
1466 for_each_hwfn(cdev, i)
1467 qed_l2_setup(&cdev->hwfns[i]);
1471 for_each_hwfn(cdev, i) {
1472 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
1474 qed_cxt_mngr_setup(p_hwfn);
1475 qed_spq_setup(p_hwfn);
1476 qed_eq_setup(p_hwfn);
1477 qed_consq_setup(p_hwfn);
1479 /* Read shadow of current MFW mailbox */
1480 qed_mcp_read_mb(p_hwfn, p_hwfn->p_main_ptt);
1481 memcpy(p_hwfn->mcp_info->mfw_mb_shadow,
1482 p_hwfn->mcp_info->mfw_mb_cur,
1483 p_hwfn->mcp_info->mfw_mb_length);
1485 qed_int_setup(p_hwfn, p_hwfn->p_main_ptt);
1487 qed_l2_setup(p_hwfn);
1488 qed_iov_setup(p_hwfn);
1489 #ifdef CONFIG_QED_LL2
1490 if (p_hwfn->using_ll2)
1491 qed_ll2_setup(p_hwfn);
1493 if (p_hwfn->hw_info.personality == QED_PCI_FCOE)
1494 qed_fcoe_setup(p_hwfn);
1496 if (p_hwfn->hw_info.personality == QED_PCI_ISCSI) {
1497 qed_iscsi_setup(p_hwfn);
1498 qed_ooo_setup(p_hwfn);
1503 #define FINAL_CLEANUP_POLL_CNT (100)
1504 #define FINAL_CLEANUP_POLL_TIME (10)
1505 int qed_final_cleanup(struct qed_hwfn *p_hwfn,
1506 struct qed_ptt *p_ptt, u16 id, bool is_vf)
1508 u32 command = 0, addr, count = FINAL_CLEANUP_POLL_CNT;
1511 addr = GTT_BAR0_MAP_REG_USDM_RAM +
1512 USTORM_FLR_FINAL_ACK_OFFSET(p_hwfn->rel_pf_id);
1517 command |= X_FINAL_CLEANUP_AGG_INT <<
1518 SDM_AGG_INT_COMP_PARAMS_AGG_INT_INDEX_SHIFT;
1519 command |= 1 << SDM_AGG_INT_COMP_PARAMS_AGG_VECTOR_ENABLE_SHIFT;
1520 command |= id << SDM_AGG_INT_COMP_PARAMS_AGG_VECTOR_BIT_SHIFT;
1521 command |= SDM_COMP_TYPE_AGG_INT << SDM_OP_GEN_COMP_TYPE_SHIFT;
1523 /* Make sure notification is not set before initiating final cleanup */
1524 if (REG_RD(p_hwfn, addr)) {
1526 "Unexpected; Found final cleanup notification before initiating final cleanup\n");
1527 REG_WR(p_hwfn, addr, 0);
1530 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1531 "Sending final cleanup for PFVF[%d] [Command %08x]\n",
1534 qed_wr(p_hwfn, p_ptt, XSDM_REG_OPERATION_GEN, command);
1536 /* Poll until completion */
1537 while (!REG_RD(p_hwfn, addr) && count--)
1538 msleep(FINAL_CLEANUP_POLL_TIME);
1540 if (REG_RD(p_hwfn, addr))
1544 "Failed to receive FW final cleanup notification\n");
1546 /* Cleanup afterwards */
1547 REG_WR(p_hwfn, addr, 0);
1552 static int qed_calc_hw_mode(struct qed_hwfn *p_hwfn)
1556 if (QED_IS_BB_B0(p_hwfn->cdev)) {
1557 hw_mode |= 1 << MODE_BB;
1558 } else if (QED_IS_AH(p_hwfn->cdev)) {
1559 hw_mode |= 1 << MODE_K2;
1561 DP_NOTICE(p_hwfn, "Unknown chip type %#x\n",
1562 p_hwfn->cdev->type);
1566 switch (p_hwfn->cdev->num_ports_in_engine) {
1568 hw_mode |= 1 << MODE_PORTS_PER_ENG_1;
1571 hw_mode |= 1 << MODE_PORTS_PER_ENG_2;
1574 hw_mode |= 1 << MODE_PORTS_PER_ENG_4;
1577 DP_NOTICE(p_hwfn, "num_ports_in_engine = %d not supported\n",
1578 p_hwfn->cdev->num_ports_in_engine);
1582 if (test_bit(QED_MF_OVLAN_CLSS, &p_hwfn->cdev->mf_bits))
1583 hw_mode |= 1 << MODE_MF_SD;
1585 hw_mode |= 1 << MODE_MF_SI;
1587 hw_mode |= 1 << MODE_ASIC;
1589 if (p_hwfn->cdev->num_hwfns > 1)
1590 hw_mode |= 1 << MODE_100G;
1592 p_hwfn->hw_info.hw_mode = hw_mode;
1594 DP_VERBOSE(p_hwfn, (NETIF_MSG_PROBE | NETIF_MSG_IFUP),
1595 "Configuring function for hw_mode: 0x%08x\n",
1596 p_hwfn->hw_info.hw_mode);
1601 /* Init run time data for all PFs on an engine. */
1602 static void qed_init_cau_rt_data(struct qed_dev *cdev)
1604 u32 offset = CAU_REG_SB_VAR_MEMORY_RT_OFFSET;
1607 for_each_hwfn(cdev, i) {
1608 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
1609 struct qed_igu_info *p_igu_info;
1610 struct qed_igu_block *p_block;
1611 struct cau_sb_entry sb_entry;
1613 p_igu_info = p_hwfn->hw_info.p_igu_info;
1616 igu_sb_id < QED_MAPPING_MEMORY_SIZE(cdev); igu_sb_id++) {
1617 p_block = &p_igu_info->entry[igu_sb_id];
1619 if (!p_block->is_pf)
1622 qed_init_cau_sb_entry(p_hwfn, &sb_entry,
1623 p_block->function_id, 0, 0);
1624 STORE_RT_REG_AGG(p_hwfn, offset + igu_sb_id * 2,
1630 static void qed_init_cache_line_size(struct qed_hwfn *p_hwfn,
1631 struct qed_ptt *p_ptt)
1633 u32 val, wr_mbs, cache_line_size;
1635 val = qed_rd(p_hwfn, p_ptt, PSWRQ2_REG_WR_MBS0);
1648 "Unexpected value of PSWRQ2_REG_WR_MBS0 [0x%x]. Avoid configuring PGLUE_B_REG_CACHE_LINE_SIZE.\n",
1653 cache_line_size = min_t(u32, L1_CACHE_BYTES, wr_mbs);
1654 switch (cache_line_size) {
1669 "Unexpected value of cache line size [0x%x]. Avoid configuring PGLUE_B_REG_CACHE_LINE_SIZE.\n",
1673 if (L1_CACHE_BYTES > wr_mbs)
1675 "The cache line size for padding is suboptimal for performance [OS cache line size 0x%x, wr mbs 0x%x]\n",
1676 L1_CACHE_BYTES, wr_mbs);
1678 STORE_RT_REG(p_hwfn, PGLUE_REG_B_CACHE_LINE_SIZE_RT_OFFSET, val);
1680 STORE_RT_REG(p_hwfn, PSWRQ2_REG_DRAM_ALIGN_WR_RT_OFFSET, val);
1681 STORE_RT_REG(p_hwfn, PSWRQ2_REG_DRAM_ALIGN_RD_RT_OFFSET, val);
1685 static int qed_hw_init_common(struct qed_hwfn *p_hwfn,
1686 struct qed_ptt *p_ptt, int hw_mode)
1688 struct qed_qm_info *qm_info = &p_hwfn->qm_info;
1689 struct qed_qm_common_rt_init_params params;
1690 struct qed_dev *cdev = p_hwfn->cdev;
1691 u8 vf_id, max_num_vfs;
1696 qed_init_cau_rt_data(cdev);
1698 /* Program GTT windows */
1699 qed_gtt_init(p_hwfn);
1701 if (p_hwfn->mcp_info) {
1702 if (p_hwfn->mcp_info->func_info.bandwidth_max)
1703 qm_info->pf_rl_en = true;
1704 if (p_hwfn->mcp_info->func_info.bandwidth_min)
1705 qm_info->pf_wfq_en = true;
1708 memset(¶ms, 0, sizeof(params));
1709 params.max_ports_per_engine = p_hwfn->cdev->num_ports_in_engine;
1710 params.max_phys_tcs_per_port = qm_info->max_phys_tcs_per_port;
1711 params.pf_rl_en = qm_info->pf_rl_en;
1712 params.pf_wfq_en = qm_info->pf_wfq_en;
1713 params.vport_rl_en = qm_info->vport_rl_en;
1714 params.vport_wfq_en = qm_info->vport_wfq_en;
1715 params.port_params = qm_info->qm_port_params;
1717 qed_qm_common_rt_init(p_hwfn, ¶ms);
1719 qed_cxt_hw_init_common(p_hwfn);
1721 qed_init_cache_line_size(p_hwfn, p_ptt);
1723 rc = qed_init_run(p_hwfn, p_ptt, PHASE_ENGINE, ANY_PHASE_ID, hw_mode);
1727 qed_wr(p_hwfn, p_ptt, PSWRQ2_REG_L2P_VALIDATE_VFID, 0);
1728 qed_wr(p_hwfn, p_ptt, PGLUE_B_REG_USE_CLIENTID_IN_TAG, 1);
1730 if (QED_IS_BB(p_hwfn->cdev)) {
1731 num_pfs = NUM_OF_ENG_PFS(p_hwfn->cdev);
1732 for (pf_id = 0; pf_id < num_pfs; pf_id++) {
1733 qed_fid_pretend(p_hwfn, p_ptt, pf_id);
1734 qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_ROCE, 0x0);
1735 qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_TCP, 0x0);
1737 /* pretend to original PF */
1738 qed_fid_pretend(p_hwfn, p_ptt, p_hwfn->rel_pf_id);
1741 max_num_vfs = QED_IS_AH(cdev) ? MAX_NUM_VFS_K2 : MAX_NUM_VFS_BB;
1742 for (vf_id = 0; vf_id < max_num_vfs; vf_id++) {
1743 concrete_fid = qed_vfid_to_concrete(p_hwfn, vf_id);
1744 qed_fid_pretend(p_hwfn, p_ptt, (u16) concrete_fid);
1745 qed_wr(p_hwfn, p_ptt, CCFC_REG_STRONG_ENABLE_VF, 0x1);
1746 qed_wr(p_hwfn, p_ptt, CCFC_REG_WEAK_ENABLE_VF, 0x0);
1747 qed_wr(p_hwfn, p_ptt, TCFC_REG_STRONG_ENABLE_VF, 0x1);
1748 qed_wr(p_hwfn, p_ptt, TCFC_REG_WEAK_ENABLE_VF, 0x0);
1750 /* pretend to original PF */
1751 qed_fid_pretend(p_hwfn, p_ptt, p_hwfn->rel_pf_id);
1757 qed_hw_init_dpi_size(struct qed_hwfn *p_hwfn,
1758 struct qed_ptt *p_ptt, u32 pwm_region_size, u32 n_cpus)
1760 u32 dpi_bit_shift, dpi_count, dpi_page_size;
1764 /* Calculate DPI size */
1765 n_wids = max_t(u32, QED_MIN_WIDS, n_cpus);
1766 dpi_page_size = QED_WID_SIZE * roundup_pow_of_two(n_wids);
1767 dpi_page_size = (dpi_page_size + PAGE_SIZE - 1) & ~(PAGE_SIZE - 1);
1768 dpi_bit_shift = ilog2(dpi_page_size / 4096);
1769 dpi_count = pwm_region_size / dpi_page_size;
1771 min_dpis = p_hwfn->pf_params.rdma_pf_params.min_dpis;
1772 min_dpis = max_t(u32, QED_MIN_DPIS, min_dpis);
1774 p_hwfn->dpi_size = dpi_page_size;
1775 p_hwfn->dpi_count = dpi_count;
1777 qed_wr(p_hwfn, p_ptt, DORQ_REG_PF_DPI_BIT_SHIFT, dpi_bit_shift);
1779 if (dpi_count < min_dpis)
1785 enum QED_ROCE_EDPM_MODE {
1786 QED_ROCE_EDPM_MODE_ENABLE = 0,
1787 QED_ROCE_EDPM_MODE_FORCE_ON = 1,
1788 QED_ROCE_EDPM_MODE_DISABLE = 2,
1791 bool qed_edpm_enabled(struct qed_hwfn *p_hwfn)
1793 if (p_hwfn->dcbx_no_edpm || p_hwfn->db_bar_no_edpm)
1800 qed_hw_init_pf_doorbell_bar(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1802 u32 pwm_regsize, norm_regsize;
1803 u32 non_pwm_conn, min_addr_reg1;
1804 u32 db_bar_size, n_cpus = 1;
1810 db_bar_size = qed_hw_bar_size(p_hwfn, p_ptt, BAR_ID_1);
1811 if (p_hwfn->cdev->num_hwfns > 1)
1814 /* Calculate doorbell regions */
1815 non_pwm_conn = qed_cxt_get_proto_cid_start(p_hwfn, PROTOCOLID_CORE) +
1816 qed_cxt_get_proto_cid_count(p_hwfn, PROTOCOLID_CORE,
1818 qed_cxt_get_proto_cid_count(p_hwfn, PROTOCOLID_ETH,
1820 norm_regsize = roundup(QED_PF_DEMS_SIZE * non_pwm_conn, PAGE_SIZE);
1821 min_addr_reg1 = norm_regsize / 4096;
1822 pwm_regsize = db_bar_size - norm_regsize;
1824 /* Check that the normal and PWM sizes are valid */
1825 if (db_bar_size < norm_regsize) {
1826 DP_ERR(p_hwfn->cdev,
1827 "Doorbell BAR size 0x%x is too small (normal region is 0x%0x )\n",
1828 db_bar_size, norm_regsize);
1832 if (pwm_regsize < QED_MIN_PWM_REGION) {
1833 DP_ERR(p_hwfn->cdev,
1834 "PWM region size 0x%0x is too small. Should be at least 0x%0x (Doorbell BAR size is 0x%x and normal region size is 0x%0x)\n",
1836 QED_MIN_PWM_REGION, db_bar_size, norm_regsize);
1840 /* Calculate number of DPIs */
1841 roce_edpm_mode = p_hwfn->pf_params.rdma_pf_params.roce_edpm_mode;
1842 if ((roce_edpm_mode == QED_ROCE_EDPM_MODE_ENABLE) ||
1843 ((roce_edpm_mode == QED_ROCE_EDPM_MODE_FORCE_ON))) {
1844 /* Either EDPM is mandatory, or we are attempting to allocate a
1847 n_cpus = num_present_cpus();
1848 rc = qed_hw_init_dpi_size(p_hwfn, p_ptt, pwm_regsize, n_cpus);
1851 cond = (rc && (roce_edpm_mode == QED_ROCE_EDPM_MODE_ENABLE)) ||
1852 (roce_edpm_mode == QED_ROCE_EDPM_MODE_DISABLE);
1853 if (cond || p_hwfn->dcbx_no_edpm) {
1854 /* Either EDPM is disabled from user configuration, or it is
1855 * disabled via DCBx, or it is not mandatory and we failed to
1856 * allocated a WID per CPU.
1859 rc = qed_hw_init_dpi_size(p_hwfn, p_ptt, pwm_regsize, n_cpus);
1862 qed_rdma_dpm_bar(p_hwfn, p_ptt);
1865 p_hwfn->wid_count = (u16) n_cpus;
1868 "doorbell bar: normal_region_size=%d, pwm_region_size=%d, dpi_size=%d, dpi_count=%d, roce_edpm=%s, page_size=%lu\n",
1873 (!qed_edpm_enabled(p_hwfn)) ?
1874 "disabled" : "enabled", PAGE_SIZE);
1878 "Failed to allocate enough DPIs. Allocated %d but the current minimum is %d.\n",
1880 p_hwfn->pf_params.rdma_pf_params.min_dpis);
1884 p_hwfn->dpi_start_offset = norm_regsize;
1886 /* DEMS size is configured log2 of DWORDs, hence the division by 4 */
1887 pf_dems_shift = ilog2(QED_PF_DEMS_SIZE / 4);
1888 qed_wr(p_hwfn, p_ptt, DORQ_REG_PF_ICID_BIT_SHIFT_NORM, pf_dems_shift);
1889 qed_wr(p_hwfn, p_ptt, DORQ_REG_PF_MIN_ADDR_REG1, min_addr_reg1);
1894 static int qed_hw_init_port(struct qed_hwfn *p_hwfn,
1895 struct qed_ptt *p_ptt, int hw_mode)
1899 rc = qed_init_run(p_hwfn, p_ptt, PHASE_PORT, p_hwfn->port_id, hw_mode);
1903 qed_wr(p_hwfn, p_ptt, PGLUE_B_REG_MASTER_WRITE_PAD_ENABLE, 0);
1908 static int qed_hw_init_pf(struct qed_hwfn *p_hwfn,
1909 struct qed_ptt *p_ptt,
1910 struct qed_tunnel_info *p_tunn,
1913 enum qed_int_mode int_mode,
1914 bool allow_npar_tx_switch)
1916 u8 rel_pf_id = p_hwfn->rel_pf_id;
1919 if (p_hwfn->mcp_info) {
1920 struct qed_mcp_function_info *p_info;
1922 p_info = &p_hwfn->mcp_info->func_info;
1923 if (p_info->bandwidth_min)
1924 p_hwfn->qm_info.pf_wfq = p_info->bandwidth_min;
1926 /* Update rate limit once we'll actually have a link */
1927 p_hwfn->qm_info.pf_rl = 100000;
1930 qed_cxt_hw_init_pf(p_hwfn, p_ptt);
1932 qed_int_igu_init_rt(p_hwfn);
1934 /* Set VLAN in NIG if needed */
1935 if (hw_mode & BIT(MODE_MF_SD)) {
1936 DP_VERBOSE(p_hwfn, NETIF_MSG_HW, "Configuring LLH_FUNC_TAG\n");
1937 STORE_RT_REG(p_hwfn, NIG_REG_LLH_FUNC_TAG_EN_RT_OFFSET, 1);
1938 STORE_RT_REG(p_hwfn, NIG_REG_LLH_FUNC_TAG_VALUE_RT_OFFSET,
1939 p_hwfn->hw_info.ovlan);
1941 DP_VERBOSE(p_hwfn, NETIF_MSG_HW,
1942 "Configuring LLH_FUNC_FILTER_HDR_SEL\n");
1943 STORE_RT_REG(p_hwfn, NIG_REG_LLH_FUNC_FILTER_HDR_SEL_RT_OFFSET,
1947 /* Enable classification by MAC if needed */
1948 if (hw_mode & BIT(MODE_MF_SI)) {
1949 DP_VERBOSE(p_hwfn, NETIF_MSG_HW,
1950 "Configuring TAGMAC_CLS_TYPE\n");
1951 STORE_RT_REG(p_hwfn,
1952 NIG_REG_LLH_FUNC_TAGMAC_CLS_TYPE_RT_OFFSET, 1);
1955 /* Protocol Configuration */
1956 STORE_RT_REG(p_hwfn, PRS_REG_SEARCH_TCP_RT_OFFSET,
1957 (p_hwfn->hw_info.personality == QED_PCI_ISCSI) ? 1 : 0);
1958 STORE_RT_REG(p_hwfn, PRS_REG_SEARCH_FCOE_RT_OFFSET,
1959 (p_hwfn->hw_info.personality == QED_PCI_FCOE) ? 1 : 0);
1960 STORE_RT_REG(p_hwfn, PRS_REG_SEARCH_ROCE_RT_OFFSET, 0);
1962 /* Sanity check before the PF init sequence that uses DMAE */
1963 rc = qed_dmae_sanity(p_hwfn, p_ptt, "pf_phase");
1967 /* PF Init sequence */
1968 rc = qed_init_run(p_hwfn, p_ptt, PHASE_PF, rel_pf_id, hw_mode);
1972 /* QM_PF Init sequence (may be invoked separately e.g. for DCB) */
1973 rc = qed_init_run(p_hwfn, p_ptt, PHASE_QM_PF, rel_pf_id, hw_mode);
1977 /* Pure runtime initializations - directly to the HW */
1978 qed_int_igu_init_pure_rt(p_hwfn, p_ptt, true, true);
1980 rc = qed_hw_init_pf_doorbell_bar(p_hwfn, p_ptt);
1985 /* enable interrupts */
1986 qed_int_igu_enable(p_hwfn, p_ptt, int_mode);
1988 /* send function start command */
1989 rc = qed_sp_pf_start(p_hwfn, p_ptt, p_tunn,
1990 allow_npar_tx_switch);
1992 DP_NOTICE(p_hwfn, "Function start ramrod failed\n");
1995 if (p_hwfn->hw_info.personality == QED_PCI_FCOE) {
1996 qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_TAG1, BIT(2));
1997 qed_wr(p_hwfn, p_ptt,
1998 PRS_REG_PKT_LEN_STAT_TAGS_NOT_COUNTED_FIRST,
2005 int qed_pglueb_set_pfid_enable(struct qed_hwfn *p_hwfn,
2006 struct qed_ptt *p_ptt, bool b_enable)
2008 u32 delay_idx = 0, val, set_val = b_enable ? 1 : 0;
2010 /* Configure the PF's internal FID_enable for master transactions */
2011 qed_wr(p_hwfn, p_ptt, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, set_val);
2013 /* Wait until value is set - try for 1 second every 50us */
2014 for (delay_idx = 0; delay_idx < 20000; delay_idx++) {
2015 val = qed_rd(p_hwfn, p_ptt,
2016 PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER);
2020 usleep_range(50, 60);
2023 if (val != set_val) {
2025 "PFID_ENABLE_MASTER wasn't changed after a second\n");
2032 static void qed_reset_mb_shadow(struct qed_hwfn *p_hwfn,
2033 struct qed_ptt *p_main_ptt)
2035 /* Read shadow of current MFW mailbox */
2036 qed_mcp_read_mb(p_hwfn, p_main_ptt);
2037 memcpy(p_hwfn->mcp_info->mfw_mb_shadow,
2038 p_hwfn->mcp_info->mfw_mb_cur, p_hwfn->mcp_info->mfw_mb_length);
2042 qed_fill_load_req_params(struct qed_load_req_params *p_load_req,
2043 struct qed_drv_load_params *p_drv_load)
2045 memset(p_load_req, 0, sizeof(*p_load_req));
2047 p_load_req->drv_role = p_drv_load->is_crash_kernel ?
2048 QED_DRV_ROLE_KDUMP : QED_DRV_ROLE_OS;
2049 p_load_req->timeout_val = p_drv_load->mfw_timeout_val;
2050 p_load_req->avoid_eng_reset = p_drv_load->avoid_eng_reset;
2051 p_load_req->override_force_load = p_drv_load->override_force_load;
2054 static int qed_vf_start(struct qed_hwfn *p_hwfn,
2055 struct qed_hw_init_params *p_params)
2057 if (p_params->p_tunn) {
2058 qed_vf_set_vf_start_tunn_update_param(p_params->p_tunn);
2059 qed_vf_pf_tunnel_param_update(p_hwfn, p_params->p_tunn);
2062 p_hwfn->b_int_enabled = true;
2067 static void qed_pglueb_clear_err(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
2069 qed_wr(p_hwfn, p_ptt, PGLUE_B_REG_WAS_ERROR_PF_31_0_CLR,
2070 BIT(p_hwfn->abs_pf_id));
2073 int qed_hw_init(struct qed_dev *cdev, struct qed_hw_init_params *p_params)
2075 struct qed_load_req_params load_req_params;
2076 u32 load_code, resp, param, drv_mb_param;
2077 bool b_default_mtu = true;
2078 struct qed_hwfn *p_hwfn;
2082 if ((p_params->int_mode == QED_INT_MODE_MSI) && (cdev->num_hwfns > 1)) {
2083 DP_NOTICE(cdev, "MSI mode is not supported for CMT devices\n");
2088 rc = qed_init_fw_data(cdev, p_params->bin_fw_data);
2093 for_each_hwfn(cdev, i) {
2094 p_hwfn = &cdev->hwfns[i];
2096 /* If management didn't provide a default, set one of our own */
2097 if (!p_hwfn->hw_info.mtu) {
2098 p_hwfn->hw_info.mtu = 1500;
2099 b_default_mtu = false;
2103 qed_vf_start(p_hwfn, p_params);
2107 rc = qed_calc_hw_mode(p_hwfn);
2111 if (IS_PF(cdev) && (test_bit(QED_MF_8021Q_TAGGING,
2113 test_bit(QED_MF_8021AD_TAGGING,
2115 if (test_bit(QED_MF_8021Q_TAGGING, &cdev->mf_bits))
2116 ether_type = ETH_P_8021Q;
2118 ether_type = ETH_P_8021AD;
2119 STORE_RT_REG(p_hwfn, PRS_REG_TAG_ETHERTYPE_0_RT_OFFSET,
2121 STORE_RT_REG(p_hwfn, NIG_REG_TAG_ETHERTYPE_0_RT_OFFSET,
2123 STORE_RT_REG(p_hwfn, PBF_REG_TAG_ETHERTYPE_0_RT_OFFSET,
2125 STORE_RT_REG(p_hwfn, DORQ_REG_TAG1_ETHERTYPE_RT_OFFSET,
2129 qed_fill_load_req_params(&load_req_params,
2130 p_params->p_drv_load_params);
2131 rc = qed_mcp_load_req(p_hwfn, p_hwfn->p_main_ptt,
2134 DP_NOTICE(p_hwfn, "Failed sending a LOAD_REQ command\n");
2138 load_code = load_req_params.load_code;
2139 DP_VERBOSE(p_hwfn, QED_MSG_SP,
2140 "Load request was sent. Load code: 0x%x\n",
2143 /* Only relevant for recovery:
2144 * Clear the indication after LOAD_REQ is responded by the MFW.
2146 cdev->recov_in_prog = false;
2148 qed_mcp_set_capabilities(p_hwfn, p_hwfn->p_main_ptt);
2150 qed_reset_mb_shadow(p_hwfn, p_hwfn->p_main_ptt);
2152 /* Clean up chip from previous driver if such remains exist.
2153 * This is not needed when the PF is the first one on the
2154 * engine, since afterwards we are going to init the FW.
2156 if (load_code != FW_MSG_CODE_DRV_LOAD_ENGINE) {
2157 rc = qed_final_cleanup(p_hwfn, p_hwfn->p_main_ptt,
2158 p_hwfn->rel_pf_id, false);
2160 DP_NOTICE(p_hwfn, "Final cleanup failed\n");
2165 /* Log and clear previous pglue_b errors if such exist */
2166 qed_pglueb_rbc_attn_handler(p_hwfn, p_hwfn->p_main_ptt);
2168 /* Enable the PF's internal FID_enable in the PXP */
2169 rc = qed_pglueb_set_pfid_enable(p_hwfn, p_hwfn->p_main_ptt,
2174 /* Clear the pglue_b was_error indication.
2175 * In E4 it must be done after the BME and the internal
2176 * FID_enable for the PF are set, since VDMs may cause the
2177 * indication to be set again.
2179 qed_pglueb_clear_err(p_hwfn, p_hwfn->p_main_ptt);
2181 switch (load_code) {
2182 case FW_MSG_CODE_DRV_LOAD_ENGINE:
2183 rc = qed_hw_init_common(p_hwfn, p_hwfn->p_main_ptt,
2184 p_hwfn->hw_info.hw_mode);
2188 case FW_MSG_CODE_DRV_LOAD_PORT:
2189 rc = qed_hw_init_port(p_hwfn, p_hwfn->p_main_ptt,
2190 p_hwfn->hw_info.hw_mode);
2195 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
2196 rc = qed_hw_init_pf(p_hwfn, p_hwfn->p_main_ptt,
2198 p_hwfn->hw_info.hw_mode,
2199 p_params->b_hw_start,
2201 p_params->allow_npar_tx_switch);
2205 "Unexpected load code [0x%08x]", load_code);
2212 "init phase failed for loadcode 0x%x (rc %d)\n",
2217 rc = qed_mcp_load_done(p_hwfn, p_hwfn->p_main_ptt);
2221 /* send DCBX attention request command */
2224 "sending phony dcbx set command to trigger DCBx attention handling\n");
2225 rc = qed_mcp_cmd(p_hwfn, p_hwfn->p_main_ptt,
2226 DRV_MSG_CODE_SET_DCBX,
2227 1 << DRV_MB_PARAM_DCBX_NOTIFY_SHIFT,
2231 "Failed to send DCBX attention request\n");
2235 p_hwfn->hw_init_done = true;
2239 p_hwfn = QED_LEADING_HWFN(cdev);
2241 /* Get pre-negotiated values for stag, bandwidth etc. */
2244 "Sending GET_OEM_UPDATES command to trigger stag/bandwidth attention handling\n");
2245 drv_mb_param = 1 << DRV_MB_PARAM_DUMMY_OEM_UPDATES_OFFSET;
2246 rc = qed_mcp_cmd(p_hwfn, p_hwfn->p_main_ptt,
2247 DRV_MSG_CODE_GET_OEM_UPDATES,
2248 drv_mb_param, &resp, ¶m);
2251 "Failed to send GET_OEM_UPDATES attention request\n");
2253 drv_mb_param = STORM_FW_VERSION;
2254 rc = qed_mcp_cmd(p_hwfn, p_hwfn->p_main_ptt,
2255 DRV_MSG_CODE_OV_UPDATE_STORM_FW_VER,
2256 drv_mb_param, &load_code, ¶m);
2258 DP_INFO(p_hwfn, "Failed to update firmware version\n");
2260 if (!b_default_mtu) {
2261 rc = qed_mcp_ov_update_mtu(p_hwfn, p_hwfn->p_main_ptt,
2262 p_hwfn->hw_info.mtu);
2265 "Failed to update default mtu\n");
2268 rc = qed_mcp_ov_update_driver_state(p_hwfn,
2270 QED_OV_DRIVER_STATE_DISABLED);
2272 DP_INFO(p_hwfn, "Failed to update driver state\n");
2274 rc = qed_mcp_ov_update_eswitch(p_hwfn, p_hwfn->p_main_ptt,
2275 QED_OV_ESWITCH_NONE);
2277 DP_INFO(p_hwfn, "Failed to update eswitch mode\n");
2283 /* The MFW load lock should be released also when initialization fails.
2285 qed_mcp_load_done(p_hwfn, p_hwfn->p_main_ptt);
2289 #define QED_HW_STOP_RETRY_LIMIT (10)
2290 static void qed_hw_timers_stop(struct qed_dev *cdev,
2291 struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
2296 qed_wr(p_hwfn, p_ptt, TM_REG_PF_ENABLE_CONN, 0x0);
2297 qed_wr(p_hwfn, p_ptt, TM_REG_PF_ENABLE_TASK, 0x0);
2299 if (cdev->recov_in_prog)
2302 for (i = 0; i < QED_HW_STOP_RETRY_LIMIT; i++) {
2303 if ((!qed_rd(p_hwfn, p_ptt,
2304 TM_REG_PF_SCAN_ACTIVE_CONN)) &&
2305 (!qed_rd(p_hwfn, p_ptt, TM_REG_PF_SCAN_ACTIVE_TASK)))
2308 /* Dependent on number of connection/tasks, possibly
2309 * 1ms sleep is required between polls
2311 usleep_range(1000, 2000);
2314 if (i < QED_HW_STOP_RETRY_LIMIT)
2318 "Timers linear scans are not over [Connection %02x Tasks %02x]\n",
2319 (u8)qed_rd(p_hwfn, p_ptt, TM_REG_PF_SCAN_ACTIVE_CONN),
2320 (u8)qed_rd(p_hwfn, p_ptt, TM_REG_PF_SCAN_ACTIVE_TASK));
2323 void qed_hw_timers_stop_all(struct qed_dev *cdev)
2327 for_each_hwfn(cdev, j) {
2328 struct qed_hwfn *p_hwfn = &cdev->hwfns[j];
2329 struct qed_ptt *p_ptt = p_hwfn->p_main_ptt;
2331 qed_hw_timers_stop(cdev, p_hwfn, p_ptt);
2335 int qed_hw_stop(struct qed_dev *cdev)
2337 struct qed_hwfn *p_hwfn;
2338 struct qed_ptt *p_ptt;
2342 for_each_hwfn(cdev, j) {
2343 p_hwfn = &cdev->hwfns[j];
2344 p_ptt = p_hwfn->p_main_ptt;
2346 DP_VERBOSE(p_hwfn, NETIF_MSG_IFDOWN, "Stopping hw/fw\n");
2349 qed_vf_pf_int_cleanup(p_hwfn);
2350 rc = qed_vf_pf_reset(p_hwfn);
2353 "qed_vf_pf_reset failed. rc = %d.\n",
2360 /* mark the hw as uninitialized... */
2361 p_hwfn->hw_init_done = false;
2363 /* Send unload command to MCP */
2364 if (!cdev->recov_in_prog) {
2365 rc = qed_mcp_unload_req(p_hwfn, p_ptt);
2368 "Failed sending a UNLOAD_REQ command. rc = %d.\n",
2374 qed_slowpath_irq_sync(p_hwfn);
2376 /* After this point no MFW attentions are expected, e.g. prevent
2377 * race between pf stop and dcbx pf update.
2379 rc = qed_sp_pf_stop(p_hwfn);
2382 "Failed to close PF against FW [rc = %d]. Continue to stop HW to prevent illegal host access by the device.\n",
2387 qed_wr(p_hwfn, p_ptt,
2388 NIG_REG_RX_LLH_BRB_GATE_DNTFWD_PERPF, 0x1);
2390 qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_TCP, 0x0);
2391 qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_UDP, 0x0);
2392 qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_FCOE, 0x0);
2393 qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_ROCE, 0x0);
2394 qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_OPENFLOW, 0x0);
2396 qed_hw_timers_stop(cdev, p_hwfn, p_ptt);
2398 /* Disable Attention Generation */
2399 qed_int_igu_disable_int(p_hwfn, p_ptt);
2401 qed_wr(p_hwfn, p_ptt, IGU_REG_LEADING_EDGE_LATCH, 0);
2402 qed_wr(p_hwfn, p_ptt, IGU_REG_TRAILING_EDGE_LATCH, 0);
2404 qed_int_igu_init_pure_rt(p_hwfn, p_ptt, false, true);
2406 /* Need to wait 1ms to guarantee SBs are cleared */
2407 usleep_range(1000, 2000);
2409 /* Disable PF in HW blocks */
2410 qed_wr(p_hwfn, p_ptt, DORQ_REG_PF_DB_ENABLE, 0);
2411 qed_wr(p_hwfn, p_ptt, QM_REG_PF_EN, 0);
2413 if (!cdev->recov_in_prog) {
2414 rc = qed_mcp_unload_done(p_hwfn, p_ptt);
2417 "Failed sending a UNLOAD_DONE command. rc = %d.\n",
2424 if (IS_PF(cdev) && !cdev->recov_in_prog) {
2425 p_hwfn = QED_LEADING_HWFN(cdev);
2426 p_ptt = QED_LEADING_HWFN(cdev)->p_main_ptt;
2428 /* Clear the PF's internal FID_enable in the PXP.
2429 * In CMT this should only be done for first hw-function, and
2430 * only after all transactions have stopped for all active
2433 rc = qed_pglueb_set_pfid_enable(p_hwfn, p_ptt, false);
2436 "qed_pglueb_set_pfid_enable() failed. rc = %d.\n",
2445 int qed_hw_stop_fastpath(struct qed_dev *cdev)
2449 for_each_hwfn(cdev, j) {
2450 struct qed_hwfn *p_hwfn = &cdev->hwfns[j];
2451 struct qed_ptt *p_ptt;
2454 qed_vf_pf_int_cleanup(p_hwfn);
2457 p_ptt = qed_ptt_acquire(p_hwfn);
2462 NETIF_MSG_IFDOWN, "Shutting down the fastpath\n");
2464 qed_wr(p_hwfn, p_ptt,
2465 NIG_REG_RX_LLH_BRB_GATE_DNTFWD_PERPF, 0x1);
2467 qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_TCP, 0x0);
2468 qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_UDP, 0x0);
2469 qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_FCOE, 0x0);
2470 qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_ROCE, 0x0);
2471 qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_OPENFLOW, 0x0);
2473 qed_int_igu_init_pure_rt(p_hwfn, p_ptt, false, false);
2475 /* Need to wait 1ms to guarantee SBs are cleared */
2476 usleep_range(1000, 2000);
2477 qed_ptt_release(p_hwfn, p_ptt);
2483 int qed_hw_start_fastpath(struct qed_hwfn *p_hwfn)
2485 struct qed_ptt *p_ptt;
2487 if (IS_VF(p_hwfn->cdev))
2490 p_ptt = qed_ptt_acquire(p_hwfn);
2494 if (p_hwfn->p_rdma_info &&
2495 p_hwfn->p_rdma_info->active && p_hwfn->b_rdma_enabled_in_prs)
2496 qed_wr(p_hwfn, p_ptt, p_hwfn->rdma_prs_search_reg, 0x1);
2498 /* Re-open incoming traffic */
2499 qed_wr(p_hwfn, p_ptt, NIG_REG_RX_LLH_BRB_GATE_DNTFWD_PERPF, 0x0);
2500 qed_ptt_release(p_hwfn, p_ptt);
2505 /* Free hwfn memory and resources acquired in hw_hwfn_prepare */
2506 static void qed_hw_hwfn_free(struct qed_hwfn *p_hwfn)
2508 qed_ptt_pool_free(p_hwfn);
2509 kfree(p_hwfn->hw_info.p_igu_info);
2510 p_hwfn->hw_info.p_igu_info = NULL;
2513 /* Setup bar access */
2514 static void qed_hw_hwfn_prepare(struct qed_hwfn *p_hwfn)
2516 /* clear indirect access */
2517 if (QED_IS_AH(p_hwfn->cdev)) {
2518 qed_wr(p_hwfn, p_hwfn->p_main_ptt,
2519 PGLUE_B_REG_PGL_ADDR_E8_F0_K2, 0);
2520 qed_wr(p_hwfn, p_hwfn->p_main_ptt,
2521 PGLUE_B_REG_PGL_ADDR_EC_F0_K2, 0);
2522 qed_wr(p_hwfn, p_hwfn->p_main_ptt,
2523 PGLUE_B_REG_PGL_ADDR_F0_F0_K2, 0);
2524 qed_wr(p_hwfn, p_hwfn->p_main_ptt,
2525 PGLUE_B_REG_PGL_ADDR_F4_F0_K2, 0);
2527 qed_wr(p_hwfn, p_hwfn->p_main_ptt,
2528 PGLUE_B_REG_PGL_ADDR_88_F0_BB, 0);
2529 qed_wr(p_hwfn, p_hwfn->p_main_ptt,
2530 PGLUE_B_REG_PGL_ADDR_8C_F0_BB, 0);
2531 qed_wr(p_hwfn, p_hwfn->p_main_ptt,
2532 PGLUE_B_REG_PGL_ADDR_90_F0_BB, 0);
2533 qed_wr(p_hwfn, p_hwfn->p_main_ptt,
2534 PGLUE_B_REG_PGL_ADDR_94_F0_BB, 0);
2537 /* Clean previous pglue_b errors if such exist */
2538 qed_pglueb_clear_err(p_hwfn, p_hwfn->p_main_ptt);
2540 /* enable internal target-read */
2541 qed_wr(p_hwfn, p_hwfn->p_main_ptt,
2542 PGLUE_B_REG_INTERNAL_PFID_ENABLE_TARGET_READ, 1);
2545 static void get_function_id(struct qed_hwfn *p_hwfn)
2548 p_hwfn->hw_info.opaque_fid = (u16) REG_RD(p_hwfn,
2549 PXP_PF_ME_OPAQUE_ADDR);
2551 p_hwfn->hw_info.concrete_fid = REG_RD(p_hwfn, PXP_PF_ME_CONCRETE_ADDR);
2553 p_hwfn->abs_pf_id = (p_hwfn->hw_info.concrete_fid >> 16) & 0xf;
2554 p_hwfn->rel_pf_id = GET_FIELD(p_hwfn->hw_info.concrete_fid,
2555 PXP_CONCRETE_FID_PFID);
2556 p_hwfn->port_id = GET_FIELD(p_hwfn->hw_info.concrete_fid,
2557 PXP_CONCRETE_FID_PORT);
2559 DP_VERBOSE(p_hwfn, NETIF_MSG_PROBE,
2560 "Read ME register: Concrete 0x%08x Opaque 0x%04x\n",
2561 p_hwfn->hw_info.concrete_fid, p_hwfn->hw_info.opaque_fid);
2564 static void qed_hw_set_feat(struct qed_hwfn *p_hwfn)
2566 u32 *feat_num = p_hwfn->hw_info.feat_num;
2567 struct qed_sb_cnt_info sb_cnt;
2570 memset(&sb_cnt, 0, sizeof(sb_cnt));
2571 qed_int_get_num_sbs(p_hwfn, &sb_cnt);
2573 if (IS_ENABLED(CONFIG_QED_RDMA) &&
2574 QED_IS_RDMA_PERSONALITY(p_hwfn)) {
2575 /* Roce CNQ each requires: 1 status block + 1 CNQ. We divide
2576 * the status blocks equally between L2 / RoCE but with
2577 * consideration as to how many l2 queues / cnqs we have.
2579 feat_num[QED_RDMA_CNQ] =
2580 min_t(u32, sb_cnt.cnt / 2,
2581 RESC_NUM(p_hwfn, QED_RDMA_CNQ_RAM));
2583 non_l2_sbs = feat_num[QED_RDMA_CNQ];
2585 if (QED_IS_L2_PERSONALITY(p_hwfn)) {
2586 /* Start by allocating VF queues, then PF's */
2587 feat_num[QED_VF_L2_QUE] = min_t(u32,
2588 RESC_NUM(p_hwfn, QED_L2_QUEUE),
2590 feat_num[QED_PF_L2_QUE] = min_t(u32,
2591 sb_cnt.cnt - non_l2_sbs,
2598 if (QED_IS_FCOE_PERSONALITY(p_hwfn))
2599 feat_num[QED_FCOE_CQ] = min_t(u32, sb_cnt.cnt,
2603 if (QED_IS_ISCSI_PERSONALITY(p_hwfn))
2604 feat_num[QED_ISCSI_CQ] = min_t(u32, sb_cnt.cnt,
2609 "#PF_L2_QUEUES=%d VF_L2_QUEUES=%d #ROCE_CNQ=%d FCOE_CQ=%d ISCSI_CQ=%d #SBS=%d\n",
2610 (int)FEAT_NUM(p_hwfn, QED_PF_L2_QUE),
2611 (int)FEAT_NUM(p_hwfn, QED_VF_L2_QUE),
2612 (int)FEAT_NUM(p_hwfn, QED_RDMA_CNQ),
2613 (int)FEAT_NUM(p_hwfn, QED_FCOE_CQ),
2614 (int)FEAT_NUM(p_hwfn, QED_ISCSI_CQ),
2618 const char *qed_hw_get_resc_name(enum qed_resources res_id)
2635 case QED_RDMA_CNQ_RAM:
2636 return "RDMA_CNQ_RAM";
2643 case QED_RDMA_STATS_QUEUE:
2644 return "RDMA_STATS_QUEUE";
2650 return "UNKNOWN_RESOURCE";
2655 __qed_hw_set_soft_resc_size(struct qed_hwfn *p_hwfn,
2656 struct qed_ptt *p_ptt,
2657 enum qed_resources res_id,
2658 u32 resc_max_val, u32 *p_mcp_resp)
2662 rc = qed_mcp_set_resc_max_val(p_hwfn, p_ptt, res_id,
2663 resc_max_val, p_mcp_resp);
2666 "MFW response failure for a max value setting of resource %d [%s]\n",
2667 res_id, qed_hw_get_resc_name(res_id));
2671 if (*p_mcp_resp != FW_MSG_CODE_RESOURCE_ALLOC_OK)
2673 "Failed to set the max value of resource %d [%s]. mcp_resp = 0x%08x.\n",
2674 res_id, qed_hw_get_resc_name(res_id), *p_mcp_resp);
2680 qed_hw_set_soft_resc_size(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
2682 bool b_ah = QED_IS_AH(p_hwfn->cdev);
2683 u32 resc_max_val, mcp_resp;
2687 for (res_id = 0; res_id < QED_MAX_RESC; res_id++) {
2690 resc_max_val = MAX_NUM_LL2_RX_QUEUES;
2692 case QED_RDMA_CNQ_RAM:
2693 /* No need for a case for QED_CMDQS_CQS since
2694 * CNQ/CMDQS are the same resource.
2696 resc_max_val = NUM_OF_GLOBAL_QUEUES;
2698 case QED_RDMA_STATS_QUEUE:
2699 resc_max_val = b_ah ? RDMA_NUM_STATISTIC_COUNTERS_K2
2700 : RDMA_NUM_STATISTIC_COUNTERS_BB;
2703 resc_max_val = BDQ_NUM_RESOURCES;
2709 rc = __qed_hw_set_soft_resc_size(p_hwfn, p_ptt, res_id,
2710 resc_max_val, &mcp_resp);
2714 /* There's no point to continue to the next resource if the
2715 * command is not supported by the MFW.
2716 * We do continue if the command is supported but the resource
2717 * is unknown to the MFW. Such a resource will be later
2718 * configured with the default allocation values.
2720 if (mcp_resp == FW_MSG_CODE_UNSUPPORTED)
2728 int qed_hw_get_dflt_resc(struct qed_hwfn *p_hwfn,
2729 enum qed_resources res_id,
2730 u32 *p_resc_num, u32 *p_resc_start)
2732 u8 num_funcs = p_hwfn->num_funcs_on_engine;
2733 bool b_ah = QED_IS_AH(p_hwfn->cdev);
2737 *p_resc_num = (b_ah ? MAX_NUM_L2_QUEUES_K2 :
2738 MAX_NUM_L2_QUEUES_BB) / num_funcs;
2741 *p_resc_num = (b_ah ? MAX_NUM_VPORTS_K2 :
2742 MAX_NUM_VPORTS_BB) / num_funcs;
2745 *p_resc_num = (b_ah ? ETH_RSS_ENGINE_NUM_K2 :
2746 ETH_RSS_ENGINE_NUM_BB) / num_funcs;
2749 *p_resc_num = (b_ah ? MAX_QM_TX_QUEUES_K2 :
2750 MAX_QM_TX_QUEUES_BB) / num_funcs;
2751 *p_resc_num &= ~0x7; /* The granularity of the PQs is 8 */
2754 *p_resc_num = MAX_QM_GLOBAL_RLS / num_funcs;
2758 /* Each VFC resource can accommodate both a MAC and a VLAN */
2759 *p_resc_num = ETH_NUM_MAC_FILTERS / num_funcs;
2762 *p_resc_num = (b_ah ? PXP_NUM_ILT_RECORDS_K2 :
2763 PXP_NUM_ILT_RECORDS_BB) / num_funcs;
2766 *p_resc_num = MAX_NUM_LL2_RX_QUEUES / num_funcs;
2768 case QED_RDMA_CNQ_RAM:
2770 /* CNQ/CMDQS are the same resource */
2771 *p_resc_num = NUM_OF_GLOBAL_QUEUES / num_funcs;
2773 case QED_RDMA_STATS_QUEUE:
2774 *p_resc_num = (b_ah ? RDMA_NUM_STATISTIC_COUNTERS_K2 :
2775 RDMA_NUM_STATISTIC_COUNTERS_BB) / num_funcs;
2778 if (p_hwfn->hw_info.personality != QED_PCI_ISCSI &&
2779 p_hwfn->hw_info.personality != QED_PCI_FCOE)
2785 /* Since we want its value to reflect whether MFW supports
2786 * the new scheme, have a default of 0.
2798 else if (p_hwfn->cdev->num_ports_in_engine == 4)
2799 *p_resc_start = p_hwfn->port_id;
2800 else if (p_hwfn->hw_info.personality == QED_PCI_ISCSI)
2801 *p_resc_start = p_hwfn->port_id;
2802 else if (p_hwfn->hw_info.personality == QED_PCI_FCOE)
2803 *p_resc_start = p_hwfn->port_id + 2;
2806 *p_resc_start = *p_resc_num * p_hwfn->enabled_func_idx;
2813 static int __qed_hw_set_resc_info(struct qed_hwfn *p_hwfn,
2814 enum qed_resources res_id)
2816 u32 dflt_resc_num = 0, dflt_resc_start = 0;
2817 u32 mcp_resp, *p_resc_num, *p_resc_start;
2820 p_resc_num = &RESC_NUM(p_hwfn, res_id);
2821 p_resc_start = &RESC_START(p_hwfn, res_id);
2823 rc = qed_hw_get_dflt_resc(p_hwfn, res_id, &dflt_resc_num,
2827 "Failed to get default amount for resource %d [%s]\n",
2828 res_id, qed_hw_get_resc_name(res_id));
2832 rc = qed_mcp_get_resc_info(p_hwfn, p_hwfn->p_main_ptt, res_id,
2833 &mcp_resp, p_resc_num, p_resc_start);
2836 "MFW response failure for an allocation request for resource %d [%s]\n",
2837 res_id, qed_hw_get_resc_name(res_id));
2841 /* Default driver values are applied in the following cases:
2842 * - The resource allocation MB command is not supported by the MFW
2843 * - There is an internal error in the MFW while processing the request
2844 * - The resource ID is unknown to the MFW
2846 if (mcp_resp != FW_MSG_CODE_RESOURCE_ALLOC_OK) {
2848 "Failed to receive allocation info for resource %d [%s]. mcp_resp = 0x%x. Applying default values [%d,%d].\n",
2850 qed_hw_get_resc_name(res_id),
2851 mcp_resp, dflt_resc_num, dflt_resc_start);
2852 *p_resc_num = dflt_resc_num;
2853 *p_resc_start = dflt_resc_start;
2858 /* PQs have to divide by 8 [that's the HW granularity].
2859 * Reduce number so it would fit.
2861 if ((res_id == QED_PQ) && ((*p_resc_num % 8) || (*p_resc_start % 8))) {
2863 "PQs need to align by 8; Number %08x --> %08x, Start %08x --> %08x\n",
2865 (*p_resc_num) & ~0x7,
2866 *p_resc_start, (*p_resc_start) & ~0x7);
2867 *p_resc_num &= ~0x7;
2868 *p_resc_start &= ~0x7;
2874 static int qed_hw_set_resc_info(struct qed_hwfn *p_hwfn)
2879 for (res_id = 0; res_id < QED_MAX_RESC; res_id++) {
2880 rc = __qed_hw_set_resc_info(p_hwfn, res_id);
2888 static int qed_hw_get_resc(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
2890 struct qed_resc_unlock_params resc_unlock_params;
2891 struct qed_resc_lock_params resc_lock_params;
2892 bool b_ah = QED_IS_AH(p_hwfn->cdev);
2896 /* Setting the max values of the soft resources and the following
2897 * resources allocation queries should be atomic. Since several PFs can
2898 * run in parallel - a resource lock is needed.
2899 * If either the resource lock or resource set value commands are not
2900 * supported - skip the the max values setting, release the lock if
2901 * needed, and proceed to the queries. Other failures, including a
2902 * failure to acquire the lock, will cause this function to fail.
2904 qed_mcp_resc_lock_default_init(&resc_lock_params, &resc_unlock_params,
2905 QED_RESC_LOCK_RESC_ALLOC, false);
2907 rc = qed_mcp_resc_lock(p_hwfn, p_ptt, &resc_lock_params);
2908 if (rc && rc != -EINVAL) {
2910 } else if (rc == -EINVAL) {
2912 "Skip the max values setting of the soft resources since the resource lock is not supported by the MFW\n");
2913 } else if (!rc && !resc_lock_params.b_granted) {
2915 "Failed to acquire the resource lock for the resource allocation commands\n");
2918 rc = qed_hw_set_soft_resc_size(p_hwfn, p_ptt);
2919 if (rc && rc != -EINVAL) {
2921 "Failed to set the max values of the soft resources\n");
2922 goto unlock_and_exit;
2923 } else if (rc == -EINVAL) {
2925 "Skip the max values setting of the soft resources since it is not supported by the MFW\n");
2926 rc = qed_mcp_resc_unlock(p_hwfn, p_ptt,
2927 &resc_unlock_params);
2930 "Failed to release the resource lock for the resource allocation commands\n");
2934 rc = qed_hw_set_resc_info(p_hwfn);
2936 goto unlock_and_exit;
2938 if (resc_lock_params.b_granted && !resc_unlock_params.b_released) {
2939 rc = qed_mcp_resc_unlock(p_hwfn, p_ptt, &resc_unlock_params);
2942 "Failed to release the resource lock for the resource allocation commands\n");
2945 /* Sanity for ILT */
2946 if ((b_ah && (RESC_END(p_hwfn, QED_ILT) > PXP_NUM_ILT_RECORDS_K2)) ||
2947 (!b_ah && (RESC_END(p_hwfn, QED_ILT) > PXP_NUM_ILT_RECORDS_BB))) {
2948 DP_NOTICE(p_hwfn, "Can't assign ILT pages [%08x,...,%08x]\n",
2949 RESC_START(p_hwfn, QED_ILT),
2950 RESC_END(p_hwfn, QED_ILT) - 1);
2954 /* This will also learn the number of SBs from MFW */
2955 if (qed_int_igu_reset_cam(p_hwfn, p_ptt))
2958 qed_hw_set_feat(p_hwfn);
2960 for (res_id = 0; res_id < QED_MAX_RESC; res_id++)
2961 DP_VERBOSE(p_hwfn, NETIF_MSG_PROBE, "%s = %d start = %d\n",
2962 qed_hw_get_resc_name(res_id),
2963 RESC_NUM(p_hwfn, res_id),
2964 RESC_START(p_hwfn, res_id));
2969 if (resc_lock_params.b_granted && !resc_unlock_params.b_released)
2970 qed_mcp_resc_unlock(p_hwfn, p_ptt, &resc_unlock_params);
2974 static int qed_hw_get_nvm_info(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
2976 u32 port_cfg_addr, link_temp, nvm_cfg_addr, device_capabilities;
2977 u32 nvm_cfg1_offset, mf_mode, addr, generic_cont0, core_cfg;
2978 struct qed_mcp_link_capabilities *p_caps;
2979 struct qed_mcp_link_params *link;
2981 /* Read global nvm_cfg address */
2982 nvm_cfg_addr = qed_rd(p_hwfn, p_ptt, MISC_REG_GEN_PURP_CR0);
2984 /* Verify MCP has initialized it */
2985 if (!nvm_cfg_addr) {
2986 DP_NOTICE(p_hwfn, "Shared memory not initialized\n");
2990 /* Read nvm_cfg1 (Notice this is just offset, and not offsize (TBD) */
2991 nvm_cfg1_offset = qed_rd(p_hwfn, p_ptt, nvm_cfg_addr + 4);
2993 addr = MCP_REG_SCRATCH + nvm_cfg1_offset +
2994 offsetof(struct nvm_cfg1, glob) +
2995 offsetof(struct nvm_cfg1_glob, core_cfg);
2997 core_cfg = qed_rd(p_hwfn, p_ptt, addr);
2999 switch ((core_cfg & NVM_CFG1_GLOB_NETWORK_PORT_MODE_MASK) >>
3000 NVM_CFG1_GLOB_NETWORK_PORT_MODE_OFFSET) {
3001 case NVM_CFG1_GLOB_NETWORK_PORT_MODE_BB_2X40G:
3002 p_hwfn->hw_info.port_mode = QED_PORT_MODE_DE_2X40G;
3004 case NVM_CFG1_GLOB_NETWORK_PORT_MODE_2X50G:
3005 p_hwfn->hw_info.port_mode = QED_PORT_MODE_DE_2X50G;
3007 case NVM_CFG1_GLOB_NETWORK_PORT_MODE_BB_1X100G:
3008 p_hwfn->hw_info.port_mode = QED_PORT_MODE_DE_1X100G;
3010 case NVM_CFG1_GLOB_NETWORK_PORT_MODE_4X10G_F:
3011 p_hwfn->hw_info.port_mode = QED_PORT_MODE_DE_4X10G_F;
3013 case NVM_CFG1_GLOB_NETWORK_PORT_MODE_BB_4X10G_E:
3014 p_hwfn->hw_info.port_mode = QED_PORT_MODE_DE_4X10G_E;
3016 case NVM_CFG1_GLOB_NETWORK_PORT_MODE_BB_4X20G:
3017 p_hwfn->hw_info.port_mode = QED_PORT_MODE_DE_4X20G;
3019 case NVM_CFG1_GLOB_NETWORK_PORT_MODE_1X40G:
3020 p_hwfn->hw_info.port_mode = QED_PORT_MODE_DE_1X40G;
3022 case NVM_CFG1_GLOB_NETWORK_PORT_MODE_2X25G:
3023 p_hwfn->hw_info.port_mode = QED_PORT_MODE_DE_2X25G;
3025 case NVM_CFG1_GLOB_NETWORK_PORT_MODE_2X10G:
3026 p_hwfn->hw_info.port_mode = QED_PORT_MODE_DE_2X10G;
3028 case NVM_CFG1_GLOB_NETWORK_PORT_MODE_1X25G:
3029 p_hwfn->hw_info.port_mode = QED_PORT_MODE_DE_1X25G;
3031 case NVM_CFG1_GLOB_NETWORK_PORT_MODE_4X25G:
3032 p_hwfn->hw_info.port_mode = QED_PORT_MODE_DE_4X25G;
3035 DP_NOTICE(p_hwfn, "Unknown port mode in 0x%08x\n", core_cfg);
3039 /* Read default link configuration */
3040 link = &p_hwfn->mcp_info->link_input;
3041 p_caps = &p_hwfn->mcp_info->link_capabilities;
3042 port_cfg_addr = MCP_REG_SCRATCH + nvm_cfg1_offset +
3043 offsetof(struct nvm_cfg1, port[MFW_PORT(p_hwfn)]);
3044 link_temp = qed_rd(p_hwfn, p_ptt,
3046 offsetof(struct nvm_cfg1_port, speed_cap_mask));
3047 link_temp &= NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_MASK;
3048 link->speed.advertised_speeds = link_temp;
3050 link_temp = link->speed.advertised_speeds;
3051 p_hwfn->mcp_info->link_capabilities.speed_capabilities = link_temp;
3053 link_temp = qed_rd(p_hwfn, p_ptt,
3055 offsetof(struct nvm_cfg1_port, link_settings));
3056 switch ((link_temp & NVM_CFG1_PORT_DRV_LINK_SPEED_MASK) >>
3057 NVM_CFG1_PORT_DRV_LINK_SPEED_OFFSET) {
3058 case NVM_CFG1_PORT_DRV_LINK_SPEED_AUTONEG:
3059 link->speed.autoneg = true;
3061 case NVM_CFG1_PORT_DRV_LINK_SPEED_1G:
3062 link->speed.forced_speed = 1000;
3064 case NVM_CFG1_PORT_DRV_LINK_SPEED_10G:
3065 link->speed.forced_speed = 10000;
3067 case NVM_CFG1_PORT_DRV_LINK_SPEED_20G:
3068 link->speed.forced_speed = 20000;
3070 case NVM_CFG1_PORT_DRV_LINK_SPEED_25G:
3071 link->speed.forced_speed = 25000;
3073 case NVM_CFG1_PORT_DRV_LINK_SPEED_40G:
3074 link->speed.forced_speed = 40000;
3076 case NVM_CFG1_PORT_DRV_LINK_SPEED_50G:
3077 link->speed.forced_speed = 50000;
3079 case NVM_CFG1_PORT_DRV_LINK_SPEED_BB_100G:
3080 link->speed.forced_speed = 100000;
3083 DP_NOTICE(p_hwfn, "Unknown Speed in 0x%08x\n", link_temp);
3086 p_hwfn->mcp_info->link_capabilities.default_speed_autoneg =
3087 link->speed.autoneg;
3089 link_temp &= NVM_CFG1_PORT_DRV_FLOW_CONTROL_MASK;
3090 link_temp >>= NVM_CFG1_PORT_DRV_FLOW_CONTROL_OFFSET;
3091 link->pause.autoneg = !!(link_temp &
3092 NVM_CFG1_PORT_DRV_FLOW_CONTROL_AUTONEG);
3093 link->pause.forced_rx = !!(link_temp &
3094 NVM_CFG1_PORT_DRV_FLOW_CONTROL_RX);
3095 link->pause.forced_tx = !!(link_temp &
3096 NVM_CFG1_PORT_DRV_FLOW_CONTROL_TX);
3097 link->loopback_mode = 0;
3099 if (p_hwfn->mcp_info->capabilities & FW_MB_PARAM_FEATURE_SUPPORT_EEE) {
3100 link_temp = qed_rd(p_hwfn, p_ptt, port_cfg_addr +
3101 offsetof(struct nvm_cfg1_port, ext_phy));
3102 link_temp &= NVM_CFG1_PORT_EEE_POWER_SAVING_MODE_MASK;
3103 link_temp >>= NVM_CFG1_PORT_EEE_POWER_SAVING_MODE_OFFSET;
3104 p_caps->default_eee = QED_MCP_EEE_ENABLED;
3105 link->eee.enable = true;
3106 switch (link_temp) {
3107 case NVM_CFG1_PORT_EEE_POWER_SAVING_MODE_DISABLED:
3108 p_caps->default_eee = QED_MCP_EEE_DISABLED;
3109 link->eee.enable = false;
3111 case NVM_CFG1_PORT_EEE_POWER_SAVING_MODE_BALANCED:
3112 p_caps->eee_lpi_timer = EEE_TX_TIMER_USEC_BALANCED_TIME;
3114 case NVM_CFG1_PORT_EEE_POWER_SAVING_MODE_AGGRESSIVE:
3115 p_caps->eee_lpi_timer =
3116 EEE_TX_TIMER_USEC_AGGRESSIVE_TIME;
3118 case NVM_CFG1_PORT_EEE_POWER_SAVING_MODE_LOW_LATENCY:
3119 p_caps->eee_lpi_timer = EEE_TX_TIMER_USEC_LATENCY_TIME;
3123 link->eee.tx_lpi_timer = p_caps->eee_lpi_timer;
3124 link->eee.tx_lpi_enable = link->eee.enable;
3125 link->eee.adv_caps = QED_EEE_1G_ADV | QED_EEE_10G_ADV;
3127 p_caps->default_eee = QED_MCP_EEE_UNSUPPORTED;
3132 "Read default link: Speed 0x%08x, Adv. Speed 0x%08x, AN: 0x%02x, PAUSE AN: 0x%02x EEE: %02x [%08x usec]\n",
3133 link->speed.forced_speed,
3134 link->speed.advertised_speeds,
3135 link->speed.autoneg,
3136 link->pause.autoneg,
3137 p_caps->default_eee, p_caps->eee_lpi_timer);
3139 if (IS_LEAD_HWFN(p_hwfn)) {
3140 struct qed_dev *cdev = p_hwfn->cdev;
3142 /* Read Multi-function information from shmem */
3143 addr = MCP_REG_SCRATCH + nvm_cfg1_offset +
3144 offsetof(struct nvm_cfg1, glob) +
3145 offsetof(struct nvm_cfg1_glob, generic_cont0);
3147 generic_cont0 = qed_rd(p_hwfn, p_ptt, addr);
3149 mf_mode = (generic_cont0 & NVM_CFG1_GLOB_MF_MODE_MASK) >>
3150 NVM_CFG1_GLOB_MF_MODE_OFFSET;
3153 case NVM_CFG1_GLOB_MF_MODE_MF_ALLOWED:
3154 cdev->mf_bits = BIT(QED_MF_OVLAN_CLSS);
3156 case NVM_CFG1_GLOB_MF_MODE_UFP:
3157 cdev->mf_bits = BIT(QED_MF_OVLAN_CLSS) |
3158 BIT(QED_MF_LLH_PROTO_CLSS) |
3159 BIT(QED_MF_UFP_SPECIFIC) |
3160 BIT(QED_MF_8021Q_TAGGING);
3162 case NVM_CFG1_GLOB_MF_MODE_BD:
3163 cdev->mf_bits = BIT(QED_MF_OVLAN_CLSS) |
3164 BIT(QED_MF_LLH_PROTO_CLSS) |
3165 BIT(QED_MF_8021AD_TAGGING);
3167 case NVM_CFG1_GLOB_MF_MODE_NPAR1_0:
3168 cdev->mf_bits = BIT(QED_MF_LLH_MAC_CLSS) |
3169 BIT(QED_MF_LLH_PROTO_CLSS) |
3170 BIT(QED_MF_LL2_NON_UNICAST) |
3171 BIT(QED_MF_INTER_PF_SWITCH);
3173 case NVM_CFG1_GLOB_MF_MODE_DEFAULT:
3174 cdev->mf_bits = BIT(QED_MF_LLH_MAC_CLSS) |
3175 BIT(QED_MF_LLH_PROTO_CLSS) |
3176 BIT(QED_MF_LL2_NON_UNICAST);
3177 if (QED_IS_BB(p_hwfn->cdev))
3178 cdev->mf_bits |= BIT(QED_MF_NEED_DEF_PF);
3182 DP_INFO(p_hwfn, "Multi function mode is 0x%lx\n",
3186 DP_INFO(p_hwfn, "Multi function mode is 0x%lx\n",
3187 p_hwfn->cdev->mf_bits);
3189 /* Read device capabilities information from shmem */
3190 addr = MCP_REG_SCRATCH + nvm_cfg1_offset +
3191 offsetof(struct nvm_cfg1, glob) +
3192 offsetof(struct nvm_cfg1_glob, device_capabilities);
3194 device_capabilities = qed_rd(p_hwfn, p_ptt, addr);
3195 if (device_capabilities & NVM_CFG1_GLOB_DEVICE_CAPABILITIES_ETHERNET)
3196 __set_bit(QED_DEV_CAP_ETH,
3197 &p_hwfn->hw_info.device_capabilities);
3198 if (device_capabilities & NVM_CFG1_GLOB_DEVICE_CAPABILITIES_FCOE)
3199 __set_bit(QED_DEV_CAP_FCOE,
3200 &p_hwfn->hw_info.device_capabilities);
3201 if (device_capabilities & NVM_CFG1_GLOB_DEVICE_CAPABILITIES_ISCSI)
3202 __set_bit(QED_DEV_CAP_ISCSI,
3203 &p_hwfn->hw_info.device_capabilities);
3204 if (device_capabilities & NVM_CFG1_GLOB_DEVICE_CAPABILITIES_ROCE)
3205 __set_bit(QED_DEV_CAP_ROCE,
3206 &p_hwfn->hw_info.device_capabilities);
3208 return qed_mcp_fill_shmem_func_info(p_hwfn, p_ptt);
3211 static void qed_get_num_funcs(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3213 u8 num_funcs, enabled_func_idx = p_hwfn->rel_pf_id;
3214 u32 reg_function_hide, tmp, eng_mask, low_pfs_mask;
3215 struct qed_dev *cdev = p_hwfn->cdev;
3217 num_funcs = QED_IS_AH(cdev) ? MAX_NUM_PFS_K2 : MAX_NUM_PFS_BB;
3219 /* Bit 0 of MISCS_REG_FUNCTION_HIDE indicates whether the bypass values
3220 * in the other bits are selected.
3221 * Bits 1-15 are for functions 1-15, respectively, and their value is
3222 * '0' only for enabled functions (function 0 always exists and
3224 * In case of CMT, only the "even" functions are enabled, and thus the
3225 * number of functions for both hwfns is learnt from the same bits.
3227 reg_function_hide = qed_rd(p_hwfn, p_ptt, MISCS_REG_FUNCTION_HIDE);
3229 if (reg_function_hide & 0x1) {
3230 if (QED_IS_BB(cdev)) {
3231 if (QED_PATH_ID(p_hwfn) && cdev->num_hwfns == 1) {
3243 /* Get the number of the enabled functions on the engine */
3244 tmp = (reg_function_hide ^ 0xffffffff) & eng_mask;
3251 /* Get the PF index within the enabled functions */
3252 low_pfs_mask = (0x1 << p_hwfn->abs_pf_id) - 1;
3253 tmp = reg_function_hide & eng_mask & low_pfs_mask;
3261 p_hwfn->num_funcs_on_engine = num_funcs;
3262 p_hwfn->enabled_func_idx = enabled_func_idx;
3266 "PF [rel_id %d, abs_id %d] occupies index %d within the %d enabled functions on the engine\n",
3269 p_hwfn->enabled_func_idx, p_hwfn->num_funcs_on_engine);
3272 static void qed_hw_info_port_num(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3274 u32 addr, global_offsize, global_addr, port_mode;
3275 struct qed_dev *cdev = p_hwfn->cdev;
3277 /* In CMT there is always only one port */
3278 if (cdev->num_hwfns > 1) {
3279 cdev->num_ports_in_engine = 1;
3280 cdev->num_ports = 1;
3284 /* Determine the number of ports per engine */
3285 port_mode = qed_rd(p_hwfn, p_ptt, MISC_REG_PORT_MODE);
3286 switch (port_mode) {
3288 cdev->num_ports_in_engine = 1;
3291 cdev->num_ports_in_engine = 2;
3294 cdev->num_ports_in_engine = 4;
3297 DP_NOTICE(p_hwfn, "Unknown port mode 0x%08x\n", port_mode);
3298 cdev->num_ports_in_engine = 1; /* Default to something */
3302 /* Get the total number of ports of the device */
3303 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
3305 global_offsize = qed_rd(p_hwfn, p_ptt, addr);
3306 global_addr = SECTION_ADDR(global_offsize, 0);
3307 addr = global_addr + offsetof(struct public_global, max_ports);
3308 cdev->num_ports = (u8)qed_rd(p_hwfn, p_ptt, addr);
3311 static void qed_get_eee_caps(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3313 struct qed_mcp_link_capabilities *p_caps;
3316 p_caps = &p_hwfn->mcp_info->link_capabilities;
3317 if (p_caps->default_eee == QED_MCP_EEE_UNSUPPORTED)
3320 p_caps->eee_speed_caps = 0;
3321 eee_status = qed_rd(p_hwfn, p_ptt, p_hwfn->mcp_info->port_addr +
3322 offsetof(struct public_port, eee_status));
3323 eee_status = (eee_status & EEE_SUPPORTED_SPEED_MASK) >>
3324 EEE_SUPPORTED_SPEED_OFFSET;
3326 if (eee_status & EEE_1G_SUPPORTED)
3327 p_caps->eee_speed_caps |= QED_EEE_1G_ADV;
3328 if (eee_status & EEE_10G_ADV)
3329 p_caps->eee_speed_caps |= QED_EEE_10G_ADV;
3333 qed_get_hw_info(struct qed_hwfn *p_hwfn,
3334 struct qed_ptt *p_ptt,
3335 enum qed_pci_personality personality)
3339 /* Since all information is common, only first hwfns should do this */
3340 if (IS_LEAD_HWFN(p_hwfn)) {
3341 rc = qed_iov_hw_info(p_hwfn);
3346 if (IS_LEAD_HWFN(p_hwfn))
3347 qed_hw_info_port_num(p_hwfn, p_ptt);
3349 qed_mcp_get_capabilities(p_hwfn, p_ptt);
3351 qed_hw_get_nvm_info(p_hwfn, p_ptt);
3353 rc = qed_int_igu_read_cam(p_hwfn, p_ptt);
3357 if (qed_mcp_is_init(p_hwfn))
3358 ether_addr_copy(p_hwfn->hw_info.hw_mac_addr,
3359 p_hwfn->mcp_info->func_info.mac);
3361 eth_random_addr(p_hwfn->hw_info.hw_mac_addr);
3363 if (qed_mcp_is_init(p_hwfn)) {
3364 if (p_hwfn->mcp_info->func_info.ovlan != QED_MCP_VLAN_UNSET)
3365 p_hwfn->hw_info.ovlan =
3366 p_hwfn->mcp_info->func_info.ovlan;
3368 qed_mcp_cmd_port_init(p_hwfn, p_ptt);
3370 qed_get_eee_caps(p_hwfn, p_ptt);
3372 qed_mcp_read_ufp_config(p_hwfn, p_ptt);
3375 if (qed_mcp_is_init(p_hwfn)) {
3376 enum qed_pci_personality protocol;
3378 protocol = p_hwfn->mcp_info->func_info.protocol;
3379 p_hwfn->hw_info.personality = protocol;
3382 if (QED_IS_ROCE_PERSONALITY(p_hwfn))
3383 p_hwfn->hw_info.multi_tc_roce_en = 1;
3385 p_hwfn->hw_info.num_hw_tc = NUM_PHYS_TCS_4PORT_K2;
3386 p_hwfn->hw_info.num_active_tc = 1;
3388 qed_get_num_funcs(p_hwfn, p_ptt);
3390 if (qed_mcp_is_init(p_hwfn))
3391 p_hwfn->hw_info.mtu = p_hwfn->mcp_info->func_info.mtu;
3393 return qed_hw_get_resc(p_hwfn, p_ptt);
3396 static int qed_get_dev_info(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3398 struct qed_dev *cdev = p_hwfn->cdev;
3402 /* Read Vendor Id / Device Id */
3403 pci_read_config_word(cdev->pdev, PCI_VENDOR_ID, &cdev->vendor_id);
3404 pci_read_config_word(cdev->pdev, PCI_DEVICE_ID, &cdev->device_id);
3406 /* Determine type */
3407 device_id_mask = cdev->device_id & QED_DEV_ID_MASK;
3408 switch (device_id_mask) {
3409 case QED_DEV_ID_MASK_BB:
3410 cdev->type = QED_DEV_TYPE_BB;
3412 case QED_DEV_ID_MASK_AH:
3413 cdev->type = QED_DEV_TYPE_AH;
3416 DP_NOTICE(p_hwfn, "Unknown device id 0x%x\n", cdev->device_id);
3420 cdev->chip_num = (u16)qed_rd(p_hwfn, p_ptt, MISCS_REG_CHIP_NUM);
3421 cdev->chip_rev = (u16)qed_rd(p_hwfn, p_ptt, MISCS_REG_CHIP_REV);
3423 MASK_FIELD(CHIP_REV, cdev->chip_rev);
3425 /* Learn number of HW-functions */
3426 tmp = qed_rd(p_hwfn, p_ptt, MISCS_REG_CMT_ENABLED_FOR_PAIR);
3428 if (tmp & (1 << p_hwfn->rel_pf_id)) {
3429 DP_NOTICE(cdev->hwfns, "device in CMT mode\n");
3430 cdev->num_hwfns = 2;
3432 cdev->num_hwfns = 1;
3435 cdev->chip_bond_id = qed_rd(p_hwfn, p_ptt,
3436 MISCS_REG_CHIP_TEST_REG) >> 4;
3437 MASK_FIELD(CHIP_BOND_ID, cdev->chip_bond_id);
3438 cdev->chip_metal = (u16)qed_rd(p_hwfn, p_ptt, MISCS_REG_CHIP_METAL);
3439 MASK_FIELD(CHIP_METAL, cdev->chip_metal);
3441 DP_INFO(cdev->hwfns,
3442 "Chip details - %s %c%d, Num: %04x Rev: %04x Bond id: %04x Metal: %04x\n",
3443 QED_IS_BB(cdev) ? "BB" : "AH",
3444 'A' + cdev->chip_rev,
3445 (int)cdev->chip_metal,
3446 cdev->chip_num, cdev->chip_rev,
3447 cdev->chip_bond_id, cdev->chip_metal);
3452 static void qed_nvm_info_free(struct qed_hwfn *p_hwfn)
3454 kfree(p_hwfn->nvm_info.image_att);
3455 p_hwfn->nvm_info.image_att = NULL;
3458 static int qed_hw_prepare_single(struct qed_hwfn *p_hwfn,
3459 void __iomem *p_regview,
3460 void __iomem *p_doorbells,
3461 enum qed_pci_personality personality)
3463 struct qed_dev *cdev = p_hwfn->cdev;
3466 /* Split PCI bars evenly between hwfns */
3467 p_hwfn->regview = p_regview;
3468 p_hwfn->doorbells = p_doorbells;
3470 if (IS_VF(p_hwfn->cdev))
3471 return qed_vf_hw_prepare(p_hwfn);
3473 /* Validate that chip access is feasible */
3474 if (REG_RD(p_hwfn, PXP_PF_ME_OPAQUE_ADDR) == 0xffffffff) {
3476 "Reading the ME register returns all Fs; Preventing further chip access\n");
3480 get_function_id(p_hwfn);
3482 /* Allocate PTT pool */
3483 rc = qed_ptt_pool_alloc(p_hwfn);
3487 /* Allocate the main PTT */
3488 p_hwfn->p_main_ptt = qed_get_reserved_ptt(p_hwfn, RESERVED_PTT_MAIN);
3490 /* First hwfn learns basic information, e.g., number of hwfns */
3491 if (!p_hwfn->my_id) {
3492 rc = qed_get_dev_info(p_hwfn, p_hwfn->p_main_ptt);
3497 qed_hw_hwfn_prepare(p_hwfn);
3499 /* Initialize MCP structure */
3500 rc = qed_mcp_cmd_init(p_hwfn, p_hwfn->p_main_ptt);
3502 DP_NOTICE(p_hwfn, "Failed initializing mcp command\n");
3506 /* Read the device configuration information from the HW and SHMEM */
3507 rc = qed_get_hw_info(p_hwfn, p_hwfn->p_main_ptt, personality);
3509 DP_NOTICE(p_hwfn, "Failed to get HW information\n");
3513 /* Sending a mailbox to the MFW should be done after qed_get_hw_info()
3514 * is called as it sets the ports number in an engine.
3516 if (IS_LEAD_HWFN(p_hwfn) && !cdev->recov_in_prog) {
3517 rc = qed_mcp_initiate_pf_flr(p_hwfn, p_hwfn->p_main_ptt);
3519 DP_NOTICE(p_hwfn, "Failed to initiate PF FLR\n");
3522 /* NVRAM info initialization and population */
3523 if (IS_LEAD_HWFN(p_hwfn)) {
3524 rc = qed_mcp_nvm_info_populate(p_hwfn);
3527 "Failed to populate nvm info shadow\n");
3532 /* Allocate the init RT array and initialize the init-ops engine */
3533 rc = qed_init_alloc(p_hwfn);
3539 if (IS_LEAD_HWFN(p_hwfn))
3540 qed_nvm_info_free(p_hwfn);
3542 if (IS_LEAD_HWFN(p_hwfn))
3543 qed_iov_free_hw_info(p_hwfn->cdev);
3544 qed_mcp_free(p_hwfn);
3546 qed_hw_hwfn_free(p_hwfn);
3551 int qed_hw_prepare(struct qed_dev *cdev,
3554 struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
3557 /* Store the precompiled init data ptrs */
3559 qed_init_iro_array(cdev);
3561 /* Initialize the first hwfn - will learn number of hwfns */
3562 rc = qed_hw_prepare_single(p_hwfn,
3564 cdev->doorbells, personality);
3568 personality = p_hwfn->hw_info.personality;
3570 /* Initialize the rest of the hwfns */
3571 if (cdev->num_hwfns > 1) {
3572 void __iomem *p_regview, *p_doorbell;
3575 /* adjust bar offset for second engine */
3576 addr = cdev->regview +
3577 qed_hw_bar_size(p_hwfn, p_hwfn->p_main_ptt,
3581 addr = cdev->doorbells +
3582 qed_hw_bar_size(p_hwfn, p_hwfn->p_main_ptt,
3586 /* prepare second hw function */
3587 rc = qed_hw_prepare_single(&cdev->hwfns[1], p_regview,
3588 p_doorbell, personality);
3590 /* in case of error, need to free the previously
3591 * initiliazed hwfn 0.
3595 qed_init_free(p_hwfn);
3596 qed_nvm_info_free(p_hwfn);
3597 qed_mcp_free(p_hwfn);
3598 qed_hw_hwfn_free(p_hwfn);
3606 void qed_hw_remove(struct qed_dev *cdev)
3608 struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
3612 qed_mcp_ov_update_driver_state(p_hwfn, p_hwfn->p_main_ptt,
3613 QED_OV_DRIVER_STATE_NOT_LOADED);
3615 for_each_hwfn(cdev, i) {
3616 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
3619 qed_vf_pf_release(p_hwfn);
3623 qed_init_free(p_hwfn);
3624 qed_hw_hwfn_free(p_hwfn);
3625 qed_mcp_free(p_hwfn);
3628 qed_iov_free_hw_info(cdev);
3630 qed_nvm_info_free(p_hwfn);
3633 static void qed_chain_free_next_ptr(struct qed_dev *cdev,
3634 struct qed_chain *p_chain)
3636 void *p_virt = p_chain->p_virt_addr, *p_virt_next = NULL;
3637 dma_addr_t p_phys = p_chain->p_phys_addr, p_phys_next = 0;
3638 struct qed_chain_next *p_next;
3644 size = p_chain->elem_size * p_chain->usable_per_page;
3646 for (i = 0; i < p_chain->page_cnt; i++) {
3650 p_next = (struct qed_chain_next *)((u8 *)p_virt + size);
3651 p_virt_next = p_next->next_virt;
3652 p_phys_next = HILO_DMA_REGPAIR(p_next->next_phys);
3654 dma_free_coherent(&cdev->pdev->dev,
3655 QED_CHAIN_PAGE_SIZE, p_virt, p_phys);
3657 p_virt = p_virt_next;
3658 p_phys = p_phys_next;
3662 static void qed_chain_free_single(struct qed_dev *cdev,
3663 struct qed_chain *p_chain)
3665 if (!p_chain->p_virt_addr)
3668 dma_free_coherent(&cdev->pdev->dev,
3669 QED_CHAIN_PAGE_SIZE,
3670 p_chain->p_virt_addr, p_chain->p_phys_addr);
3673 static void qed_chain_free_pbl(struct qed_dev *cdev, struct qed_chain *p_chain)
3675 void **pp_virt_addr_tbl = p_chain->pbl.pp_virt_addr_tbl;
3676 u32 page_cnt = p_chain->page_cnt, i, pbl_size;
3677 u8 *p_pbl_virt = p_chain->pbl_sp.p_virt_table;
3679 if (!pp_virt_addr_tbl)
3685 for (i = 0; i < page_cnt; i++) {
3686 if (!pp_virt_addr_tbl[i])
3689 dma_free_coherent(&cdev->pdev->dev,
3690 QED_CHAIN_PAGE_SIZE,
3691 pp_virt_addr_tbl[i],
3692 *(dma_addr_t *)p_pbl_virt);
3694 p_pbl_virt += QED_CHAIN_PBL_ENTRY_SIZE;
3697 pbl_size = page_cnt * QED_CHAIN_PBL_ENTRY_SIZE;
3699 if (!p_chain->b_external_pbl)
3700 dma_free_coherent(&cdev->pdev->dev,
3702 p_chain->pbl_sp.p_virt_table,
3703 p_chain->pbl_sp.p_phys_table);
3705 vfree(p_chain->pbl.pp_virt_addr_tbl);
3706 p_chain->pbl.pp_virt_addr_tbl = NULL;
3709 void qed_chain_free(struct qed_dev *cdev, struct qed_chain *p_chain)
3711 switch (p_chain->mode) {
3712 case QED_CHAIN_MODE_NEXT_PTR:
3713 qed_chain_free_next_ptr(cdev, p_chain);
3715 case QED_CHAIN_MODE_SINGLE:
3716 qed_chain_free_single(cdev, p_chain);
3718 case QED_CHAIN_MODE_PBL:
3719 qed_chain_free_pbl(cdev, p_chain);
3725 qed_chain_alloc_sanity_check(struct qed_dev *cdev,
3726 enum qed_chain_cnt_type cnt_type,
3727 size_t elem_size, u32 page_cnt)
3729 u64 chain_size = ELEMS_PER_PAGE(elem_size) * page_cnt;
3731 /* The actual chain size can be larger than the maximal possible value
3732 * after rounding up the requested elements number to pages, and after
3733 * taking into acount the unusuable elements (next-ptr elements).
3734 * The size of a "u16" chain can be (U16_MAX + 1) since the chain
3735 * size/capacity fields are of a u32 type.
3737 if ((cnt_type == QED_CHAIN_CNT_TYPE_U16 &&
3738 chain_size > ((u32)U16_MAX + 1)) ||
3739 (cnt_type == QED_CHAIN_CNT_TYPE_U32 && chain_size > U32_MAX)) {
3741 "The actual chain size (0x%llx) is larger than the maximal possible value\n",
3750 qed_chain_alloc_next_ptr(struct qed_dev *cdev, struct qed_chain *p_chain)
3752 void *p_virt = NULL, *p_virt_prev = NULL;
3753 dma_addr_t p_phys = 0;
3756 for (i = 0; i < p_chain->page_cnt; i++) {
3757 p_virt = dma_alloc_coherent(&cdev->pdev->dev,
3758 QED_CHAIN_PAGE_SIZE,
3759 &p_phys, GFP_KERNEL);
3764 qed_chain_init_mem(p_chain, p_virt, p_phys);
3765 qed_chain_reset(p_chain);
3767 qed_chain_init_next_ptr_elem(p_chain, p_virt_prev,
3771 p_virt_prev = p_virt;
3773 /* Last page's next element should point to the beginning of the
3776 qed_chain_init_next_ptr_elem(p_chain, p_virt_prev,
3777 p_chain->p_virt_addr,
3778 p_chain->p_phys_addr);
3784 qed_chain_alloc_single(struct qed_dev *cdev, struct qed_chain *p_chain)
3786 dma_addr_t p_phys = 0;
3787 void *p_virt = NULL;
3789 p_virt = dma_alloc_coherent(&cdev->pdev->dev,
3790 QED_CHAIN_PAGE_SIZE, &p_phys, GFP_KERNEL);
3794 qed_chain_init_mem(p_chain, p_virt, p_phys);
3795 qed_chain_reset(p_chain);
3801 qed_chain_alloc_pbl(struct qed_dev *cdev,
3802 struct qed_chain *p_chain,
3803 struct qed_chain_ext_pbl *ext_pbl)
3805 u32 page_cnt = p_chain->page_cnt, size, i;
3806 dma_addr_t p_phys = 0, p_pbl_phys = 0;
3807 void **pp_virt_addr_tbl = NULL;
3808 u8 *p_pbl_virt = NULL;
3809 void *p_virt = NULL;
3811 size = page_cnt * sizeof(*pp_virt_addr_tbl);
3812 pp_virt_addr_tbl = vzalloc(size);
3813 if (!pp_virt_addr_tbl)
3816 /* The allocation of the PBL table is done with its full size, since it
3817 * is expected to be successive.
3818 * qed_chain_init_pbl_mem() is called even in a case of an allocation
3819 * failure, since pp_virt_addr_tbl was previously allocated, and it
3820 * should be saved to allow its freeing during the error flow.
3822 size = page_cnt * QED_CHAIN_PBL_ENTRY_SIZE;
3825 p_pbl_virt = dma_alloc_coherent(&cdev->pdev->dev,
3826 size, &p_pbl_phys, GFP_KERNEL);
3828 p_pbl_virt = ext_pbl->p_pbl_virt;
3829 p_pbl_phys = ext_pbl->p_pbl_phys;
3830 p_chain->b_external_pbl = true;
3833 qed_chain_init_pbl_mem(p_chain, p_pbl_virt, p_pbl_phys,
3838 for (i = 0; i < page_cnt; i++) {
3839 p_virt = dma_alloc_coherent(&cdev->pdev->dev,
3840 QED_CHAIN_PAGE_SIZE,
3841 &p_phys, GFP_KERNEL);
3846 qed_chain_init_mem(p_chain, p_virt, p_phys);
3847 qed_chain_reset(p_chain);
3850 /* Fill the PBL table with the physical address of the page */
3851 *(dma_addr_t *)p_pbl_virt = p_phys;
3852 /* Keep the virtual address of the page */
3853 p_chain->pbl.pp_virt_addr_tbl[i] = p_virt;
3855 p_pbl_virt += QED_CHAIN_PBL_ENTRY_SIZE;
3861 int qed_chain_alloc(struct qed_dev *cdev,
3862 enum qed_chain_use_mode intended_use,
3863 enum qed_chain_mode mode,
3864 enum qed_chain_cnt_type cnt_type,
3867 struct qed_chain *p_chain,
3868 struct qed_chain_ext_pbl *ext_pbl)
3873 if (mode == QED_CHAIN_MODE_SINGLE)
3876 page_cnt = QED_CHAIN_PAGE_CNT(num_elems, elem_size, mode);
3878 rc = qed_chain_alloc_sanity_check(cdev, cnt_type, elem_size, page_cnt);
3881 "Cannot allocate a chain with the given arguments:\n");
3883 "[use_mode %d, mode %d, cnt_type %d, num_elems %d, elem_size %zu]\n",
3884 intended_use, mode, cnt_type, num_elems, elem_size);
3888 qed_chain_init_params(p_chain, page_cnt, (u8) elem_size, intended_use,
3892 case QED_CHAIN_MODE_NEXT_PTR:
3893 rc = qed_chain_alloc_next_ptr(cdev, p_chain);
3895 case QED_CHAIN_MODE_SINGLE:
3896 rc = qed_chain_alloc_single(cdev, p_chain);
3898 case QED_CHAIN_MODE_PBL:
3899 rc = qed_chain_alloc_pbl(cdev, p_chain, ext_pbl);
3908 qed_chain_free(cdev, p_chain);
3912 int qed_fw_l2_queue(struct qed_hwfn *p_hwfn, u16 src_id, u16 *dst_id)
3914 if (src_id >= RESC_NUM(p_hwfn, QED_L2_QUEUE)) {
3917 min = (u16) RESC_START(p_hwfn, QED_L2_QUEUE);
3918 max = min + RESC_NUM(p_hwfn, QED_L2_QUEUE);
3920 "l2_queue id [%d] is not valid, available indices [%d - %d]\n",
3926 *dst_id = RESC_START(p_hwfn, QED_L2_QUEUE) + src_id;
3931 int qed_fw_vport(struct qed_hwfn *p_hwfn, u8 src_id, u8 *dst_id)
3933 if (src_id >= RESC_NUM(p_hwfn, QED_VPORT)) {
3936 min = (u8)RESC_START(p_hwfn, QED_VPORT);
3937 max = min + RESC_NUM(p_hwfn, QED_VPORT);
3939 "vport id [%d] is not valid, available indices [%d - %d]\n",
3945 *dst_id = RESC_START(p_hwfn, QED_VPORT) + src_id;
3950 int qed_fw_rss_eng(struct qed_hwfn *p_hwfn, u8 src_id, u8 *dst_id)
3952 if (src_id >= RESC_NUM(p_hwfn, QED_RSS_ENG)) {
3955 min = (u8)RESC_START(p_hwfn, QED_RSS_ENG);
3956 max = min + RESC_NUM(p_hwfn, QED_RSS_ENG);
3958 "rss_eng id [%d] is not valid, available indices [%d - %d]\n",
3964 *dst_id = RESC_START(p_hwfn, QED_RSS_ENG) + src_id;
3969 static void qed_llh_mac_to_filter(u32 *p_high, u32 *p_low,
3972 *p_high = p_filter[1] | (p_filter[0] << 8);
3973 *p_low = p_filter[5] | (p_filter[4] << 8) |
3974 (p_filter[3] << 16) | (p_filter[2] << 24);
3977 int qed_llh_add_mac_filter(struct qed_hwfn *p_hwfn,
3978 struct qed_ptt *p_ptt, u8 *p_filter)
3980 u32 high = 0, low = 0, en;
3983 if (!test_bit(QED_MF_LLH_MAC_CLSS, &p_hwfn->cdev->mf_bits))
3986 qed_llh_mac_to_filter(&high, &low, p_filter);
3988 /* Find a free entry and utilize it */
3989 for (i = 0; i < NIG_REG_LLH_FUNC_FILTER_EN_SIZE; i++) {
3990 en = qed_rd(p_hwfn, p_ptt,
3991 NIG_REG_LLH_FUNC_FILTER_EN + i * sizeof(u32));
3994 qed_wr(p_hwfn, p_ptt,
3995 NIG_REG_LLH_FUNC_FILTER_VALUE +
3996 2 * i * sizeof(u32), low);
3997 qed_wr(p_hwfn, p_ptt,
3998 NIG_REG_LLH_FUNC_FILTER_VALUE +
3999 (2 * i + 1) * sizeof(u32), high);
4000 qed_wr(p_hwfn, p_ptt,
4001 NIG_REG_LLH_FUNC_FILTER_MODE + i * sizeof(u32), 0);
4002 qed_wr(p_hwfn, p_ptt,
4003 NIG_REG_LLH_FUNC_FILTER_PROTOCOL_TYPE +
4004 i * sizeof(u32), 0);
4005 qed_wr(p_hwfn, p_ptt,
4006 NIG_REG_LLH_FUNC_FILTER_EN + i * sizeof(u32), 1);
4009 if (i >= NIG_REG_LLH_FUNC_FILTER_EN_SIZE) {
4011 "Failed to find an empty LLH filter to utilize\n");
4015 DP_VERBOSE(p_hwfn, NETIF_MSG_HW,
4016 "mac: %pM is added at %d\n",
4022 void qed_llh_remove_mac_filter(struct qed_hwfn *p_hwfn,
4023 struct qed_ptt *p_ptt, u8 *p_filter)
4025 u32 high = 0, low = 0;
4028 if (!test_bit(QED_MF_LLH_MAC_CLSS, &p_hwfn->cdev->mf_bits))
4031 qed_llh_mac_to_filter(&high, &low, p_filter);
4033 /* Find the entry and clean it */
4034 for (i = 0; i < NIG_REG_LLH_FUNC_FILTER_EN_SIZE; i++) {
4035 if (qed_rd(p_hwfn, p_ptt,
4036 NIG_REG_LLH_FUNC_FILTER_VALUE +
4037 2 * i * sizeof(u32)) != low)
4039 if (qed_rd(p_hwfn, p_ptt,
4040 NIG_REG_LLH_FUNC_FILTER_VALUE +
4041 (2 * i + 1) * sizeof(u32)) != high)
4044 qed_wr(p_hwfn, p_ptt,
4045 NIG_REG_LLH_FUNC_FILTER_EN + i * sizeof(u32), 0);
4046 qed_wr(p_hwfn, p_ptt,
4047 NIG_REG_LLH_FUNC_FILTER_VALUE + 2 * i * sizeof(u32), 0);
4048 qed_wr(p_hwfn, p_ptt,
4049 NIG_REG_LLH_FUNC_FILTER_VALUE +
4050 (2 * i + 1) * sizeof(u32), 0);
4052 DP_VERBOSE(p_hwfn, NETIF_MSG_HW,
4053 "mac: %pM is removed from %d\n",
4057 if (i >= NIG_REG_LLH_FUNC_FILTER_EN_SIZE)
4058 DP_NOTICE(p_hwfn, "Tried to remove a non-configured filter\n");
4062 qed_llh_add_protocol_filter(struct qed_hwfn *p_hwfn,
4063 struct qed_ptt *p_ptt,
4064 u16 source_port_or_eth_type,
4065 u16 dest_port, enum qed_llh_port_filter_type_t type)
4067 u32 high = 0, low = 0, en;
4070 if (!test_bit(QED_MF_LLH_PROTO_CLSS, &p_hwfn->cdev->mf_bits))
4074 case QED_LLH_FILTER_ETHERTYPE:
4075 high = source_port_or_eth_type;
4077 case QED_LLH_FILTER_TCP_SRC_PORT:
4078 case QED_LLH_FILTER_UDP_SRC_PORT:
4079 low = source_port_or_eth_type << 16;
4081 case QED_LLH_FILTER_TCP_DEST_PORT:
4082 case QED_LLH_FILTER_UDP_DEST_PORT:
4085 case QED_LLH_FILTER_TCP_SRC_AND_DEST_PORT:
4086 case QED_LLH_FILTER_UDP_SRC_AND_DEST_PORT:
4087 low = (source_port_or_eth_type << 16) | dest_port;
4091 "Non valid LLH protocol filter type %d\n", type);
4094 /* Find a free entry and utilize it */
4095 for (i = 0; i < NIG_REG_LLH_FUNC_FILTER_EN_SIZE; i++) {
4096 en = qed_rd(p_hwfn, p_ptt,
4097 NIG_REG_LLH_FUNC_FILTER_EN + i * sizeof(u32));
4100 qed_wr(p_hwfn, p_ptt,
4101 NIG_REG_LLH_FUNC_FILTER_VALUE +
4102 2 * i * sizeof(u32), low);
4103 qed_wr(p_hwfn, p_ptt,
4104 NIG_REG_LLH_FUNC_FILTER_VALUE +
4105 (2 * i + 1) * sizeof(u32), high);
4106 qed_wr(p_hwfn, p_ptt,
4107 NIG_REG_LLH_FUNC_FILTER_MODE + i * sizeof(u32), 1);
4108 qed_wr(p_hwfn, p_ptt,
4109 NIG_REG_LLH_FUNC_FILTER_PROTOCOL_TYPE +
4110 i * sizeof(u32), 1 << type);
4111 qed_wr(p_hwfn, p_ptt,
4112 NIG_REG_LLH_FUNC_FILTER_EN + i * sizeof(u32), 1);
4115 if (i >= NIG_REG_LLH_FUNC_FILTER_EN_SIZE) {
4117 "Failed to find an empty LLH filter to utilize\n");
4121 case QED_LLH_FILTER_ETHERTYPE:
4122 DP_VERBOSE(p_hwfn, NETIF_MSG_HW,
4123 "ETH type %x is added at %d\n",
4124 source_port_or_eth_type, i);
4126 case QED_LLH_FILTER_TCP_SRC_PORT:
4127 DP_VERBOSE(p_hwfn, NETIF_MSG_HW,
4128 "TCP src port %x is added at %d\n",
4129 source_port_or_eth_type, i);
4131 case QED_LLH_FILTER_UDP_SRC_PORT:
4132 DP_VERBOSE(p_hwfn, NETIF_MSG_HW,
4133 "UDP src port %x is added at %d\n",
4134 source_port_or_eth_type, i);
4136 case QED_LLH_FILTER_TCP_DEST_PORT:
4137 DP_VERBOSE(p_hwfn, NETIF_MSG_HW,
4138 "TCP dst port %x is added at %d\n", dest_port, i);
4140 case QED_LLH_FILTER_UDP_DEST_PORT:
4141 DP_VERBOSE(p_hwfn, NETIF_MSG_HW,
4142 "UDP dst port %x is added at %d\n", dest_port, i);
4144 case QED_LLH_FILTER_TCP_SRC_AND_DEST_PORT:
4145 DP_VERBOSE(p_hwfn, NETIF_MSG_HW,
4146 "TCP src/dst ports %x/%x are added at %d\n",
4147 source_port_or_eth_type, dest_port, i);
4149 case QED_LLH_FILTER_UDP_SRC_AND_DEST_PORT:
4150 DP_VERBOSE(p_hwfn, NETIF_MSG_HW,
4151 "UDP src/dst ports %x/%x are added at %d\n",
4152 source_port_or_eth_type, dest_port, i);
4159 qed_llh_remove_protocol_filter(struct qed_hwfn *p_hwfn,
4160 struct qed_ptt *p_ptt,
4161 u16 source_port_or_eth_type,
4163 enum qed_llh_port_filter_type_t type)
4165 u32 high = 0, low = 0;
4168 if (!test_bit(QED_MF_LLH_PROTO_CLSS, &p_hwfn->cdev->mf_bits))
4172 case QED_LLH_FILTER_ETHERTYPE:
4173 high = source_port_or_eth_type;
4175 case QED_LLH_FILTER_TCP_SRC_PORT:
4176 case QED_LLH_FILTER_UDP_SRC_PORT:
4177 low = source_port_or_eth_type << 16;
4179 case QED_LLH_FILTER_TCP_DEST_PORT:
4180 case QED_LLH_FILTER_UDP_DEST_PORT:
4183 case QED_LLH_FILTER_TCP_SRC_AND_DEST_PORT:
4184 case QED_LLH_FILTER_UDP_SRC_AND_DEST_PORT:
4185 low = (source_port_or_eth_type << 16) | dest_port;
4189 "Non valid LLH protocol filter type %d\n", type);
4193 for (i = 0; i < NIG_REG_LLH_FUNC_FILTER_EN_SIZE; i++) {
4194 if (!qed_rd(p_hwfn, p_ptt,
4195 NIG_REG_LLH_FUNC_FILTER_EN + i * sizeof(u32)))
4197 if (!qed_rd(p_hwfn, p_ptt,
4198 NIG_REG_LLH_FUNC_FILTER_MODE + i * sizeof(u32)))
4200 if (!(qed_rd(p_hwfn, p_ptt,
4201 NIG_REG_LLH_FUNC_FILTER_PROTOCOL_TYPE +
4202 i * sizeof(u32)) & BIT(type)))
4204 if (qed_rd(p_hwfn, p_ptt,
4205 NIG_REG_LLH_FUNC_FILTER_VALUE +
4206 2 * i * sizeof(u32)) != low)
4208 if (qed_rd(p_hwfn, p_ptt,
4209 NIG_REG_LLH_FUNC_FILTER_VALUE +
4210 (2 * i + 1) * sizeof(u32)) != high)
4213 qed_wr(p_hwfn, p_ptt,
4214 NIG_REG_LLH_FUNC_FILTER_EN + i * sizeof(u32), 0);
4215 qed_wr(p_hwfn, p_ptt,
4216 NIG_REG_LLH_FUNC_FILTER_MODE + i * sizeof(u32), 0);
4217 qed_wr(p_hwfn, p_ptt,
4218 NIG_REG_LLH_FUNC_FILTER_PROTOCOL_TYPE +
4219 i * sizeof(u32), 0);
4220 qed_wr(p_hwfn, p_ptt,
4221 NIG_REG_LLH_FUNC_FILTER_VALUE + 2 * i * sizeof(u32), 0);
4222 qed_wr(p_hwfn, p_ptt,
4223 NIG_REG_LLH_FUNC_FILTER_VALUE +
4224 (2 * i + 1) * sizeof(u32), 0);
4228 if (i >= NIG_REG_LLH_FUNC_FILTER_EN_SIZE)
4229 DP_NOTICE(p_hwfn, "Tried to remove a non-configured filter\n");
4232 static int qed_set_coalesce(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
4233 u32 hw_addr, void *p_eth_qzone,
4234 size_t eth_qzone_size, u8 timeset)
4236 struct coalescing_timeset *p_coal_timeset;
4238 if (p_hwfn->cdev->int_coalescing_mode != QED_COAL_MODE_ENABLE) {
4239 DP_NOTICE(p_hwfn, "Coalescing configuration not enabled\n");
4243 p_coal_timeset = p_eth_qzone;
4244 memset(p_eth_qzone, 0, eth_qzone_size);
4245 SET_FIELD(p_coal_timeset->value, COALESCING_TIMESET_TIMESET, timeset);
4246 SET_FIELD(p_coal_timeset->value, COALESCING_TIMESET_VALID, 1);
4247 qed_memcpy_to(p_hwfn, p_ptt, hw_addr, p_eth_qzone, eth_qzone_size);
4252 int qed_set_queue_coalesce(u16 rx_coal, u16 tx_coal, void *p_handle)
4254 struct qed_queue_cid *p_cid = p_handle;
4255 struct qed_hwfn *p_hwfn;
4256 struct qed_ptt *p_ptt;
4259 p_hwfn = p_cid->p_owner;
4261 if (IS_VF(p_hwfn->cdev))
4262 return qed_vf_pf_set_coalesce(p_hwfn, rx_coal, tx_coal, p_cid);
4264 p_ptt = qed_ptt_acquire(p_hwfn);
4269 rc = qed_set_rxq_coalesce(p_hwfn, p_ptt, rx_coal, p_cid);
4272 p_hwfn->cdev->rx_coalesce_usecs = rx_coal;
4276 rc = qed_set_txq_coalesce(p_hwfn, p_ptt, tx_coal, p_cid);
4279 p_hwfn->cdev->tx_coalesce_usecs = tx_coal;
4282 qed_ptt_release(p_hwfn, p_ptt);
4286 int qed_set_rxq_coalesce(struct qed_hwfn *p_hwfn,
4287 struct qed_ptt *p_ptt,
4288 u16 coalesce, struct qed_queue_cid *p_cid)
4290 struct ustorm_eth_queue_zone eth_qzone;
4291 u8 timeset, timer_res;
4295 /* Coalesce = (timeset << timer-resolution), timeset is 7bit wide */
4296 if (coalesce <= 0x7F) {
4298 } else if (coalesce <= 0xFF) {
4300 } else if (coalesce <= 0x1FF) {
4303 DP_ERR(p_hwfn, "Invalid coalesce value - %d\n", coalesce);
4306 timeset = (u8)(coalesce >> timer_res);
4308 rc = qed_int_set_timer_res(p_hwfn, p_ptt, timer_res,
4309 p_cid->sb_igu_id, false);
4313 address = BAR0_MAP_REG_USDM_RAM +
4314 USTORM_ETH_QUEUE_ZONE_OFFSET(p_cid->abs.queue_id);
4316 rc = qed_set_coalesce(p_hwfn, p_ptt, address, ð_qzone,
4317 sizeof(struct ustorm_eth_queue_zone), timeset);
4325 int qed_set_txq_coalesce(struct qed_hwfn *p_hwfn,
4326 struct qed_ptt *p_ptt,
4327 u16 coalesce, struct qed_queue_cid *p_cid)
4329 struct xstorm_eth_queue_zone eth_qzone;
4330 u8 timeset, timer_res;
4334 /* Coalesce = (timeset << timer-resolution), timeset is 7bit wide */
4335 if (coalesce <= 0x7F) {
4337 } else if (coalesce <= 0xFF) {
4339 } else if (coalesce <= 0x1FF) {
4342 DP_ERR(p_hwfn, "Invalid coalesce value - %d\n", coalesce);
4345 timeset = (u8)(coalesce >> timer_res);
4347 rc = qed_int_set_timer_res(p_hwfn, p_ptt, timer_res,
4348 p_cid->sb_igu_id, true);
4352 address = BAR0_MAP_REG_XSDM_RAM +
4353 XSTORM_ETH_QUEUE_ZONE_OFFSET(p_cid->abs.queue_id);
4355 rc = qed_set_coalesce(p_hwfn, p_ptt, address, ð_qzone,
4356 sizeof(struct xstorm_eth_queue_zone), timeset);
4361 /* Calculate final WFQ values for all vports and configure them.
4362 * After this configuration each vport will have
4363 * approx min rate = min_pf_rate * (vport_wfq / QED_WFQ_UNIT)
4365 static void qed_configure_wfq_for_all_vports(struct qed_hwfn *p_hwfn,
4366 struct qed_ptt *p_ptt,
4369 struct init_qm_vport_params *vport_params;
4372 vport_params = p_hwfn->qm_info.qm_vport_params;
4374 for (i = 0; i < p_hwfn->qm_info.num_vports; i++) {
4375 u32 wfq_speed = p_hwfn->qm_info.wfq_data[i].min_speed;
4377 vport_params[i].vport_wfq = (wfq_speed * QED_WFQ_UNIT) /
4379 qed_init_vport_wfq(p_hwfn, p_ptt,
4380 vport_params[i].first_tx_pq_id,
4381 vport_params[i].vport_wfq);
4385 static void qed_init_wfq_default_param(struct qed_hwfn *p_hwfn,
4391 for (i = 0; i < p_hwfn->qm_info.num_vports; i++)
4392 p_hwfn->qm_info.qm_vport_params[i].vport_wfq = 1;
4395 static void qed_disable_wfq_for_all_vports(struct qed_hwfn *p_hwfn,
4396 struct qed_ptt *p_ptt,
4399 struct init_qm_vport_params *vport_params;
4402 vport_params = p_hwfn->qm_info.qm_vport_params;
4404 for (i = 0; i < p_hwfn->qm_info.num_vports; i++) {
4405 qed_init_wfq_default_param(p_hwfn, min_pf_rate);
4406 qed_init_vport_wfq(p_hwfn, p_ptt,
4407 vport_params[i].first_tx_pq_id,
4408 vport_params[i].vport_wfq);
4412 /* This function performs several validations for WFQ
4413 * configuration and required min rate for a given vport
4414 * 1. req_rate must be greater than one percent of min_pf_rate.
4415 * 2. req_rate should not cause other vports [not configured for WFQ explicitly]
4416 * rates to get less than one percent of min_pf_rate.
4417 * 3. total_req_min_rate [all vports min rate sum] shouldn't exceed min_pf_rate.
4419 static int qed_init_wfq_param(struct qed_hwfn *p_hwfn,
4420 u16 vport_id, u32 req_rate, u32 min_pf_rate)
4422 u32 total_req_min_rate = 0, total_left_rate = 0, left_rate_per_vp = 0;
4423 int non_requested_count = 0, req_count = 0, i, num_vports;
4425 num_vports = p_hwfn->qm_info.num_vports;
4427 /* Accounting for the vports which are configured for WFQ explicitly */
4428 for (i = 0; i < num_vports; i++) {
4431 if ((i != vport_id) &&
4432 p_hwfn->qm_info.wfq_data[i].configured) {
4434 tmp_speed = p_hwfn->qm_info.wfq_data[i].min_speed;
4435 total_req_min_rate += tmp_speed;
4439 /* Include current vport data as well */
4441 total_req_min_rate += req_rate;
4442 non_requested_count = num_vports - req_count;
4444 if (req_rate < min_pf_rate / QED_WFQ_UNIT) {
4445 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
4446 "Vport [%d] - Requested rate[%d Mbps] is less than one percent of configured PF min rate[%d Mbps]\n",
4447 vport_id, req_rate, min_pf_rate);
4451 if (num_vports > QED_WFQ_UNIT) {
4452 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
4453 "Number of vports is greater than %d\n",
4458 if (total_req_min_rate > min_pf_rate) {
4459 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
4460 "Total requested min rate for all vports[%d Mbps] is greater than configured PF min rate[%d Mbps]\n",
4461 total_req_min_rate, min_pf_rate);
4465 total_left_rate = min_pf_rate - total_req_min_rate;
4467 left_rate_per_vp = total_left_rate / non_requested_count;
4468 if (left_rate_per_vp < min_pf_rate / QED_WFQ_UNIT) {
4469 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
4470 "Non WFQ configured vports rate [%d Mbps] is less than one percent of configured PF min rate[%d Mbps]\n",
4471 left_rate_per_vp, min_pf_rate);
4475 p_hwfn->qm_info.wfq_data[vport_id].min_speed = req_rate;
4476 p_hwfn->qm_info.wfq_data[vport_id].configured = true;
4478 for (i = 0; i < num_vports; i++) {
4479 if (p_hwfn->qm_info.wfq_data[i].configured)
4482 p_hwfn->qm_info.wfq_data[i].min_speed = left_rate_per_vp;
4488 static int __qed_configure_vport_wfq(struct qed_hwfn *p_hwfn,
4489 struct qed_ptt *p_ptt, u16 vp_id, u32 rate)
4491 struct qed_mcp_link_state *p_link;
4494 p_link = &p_hwfn->cdev->hwfns[0].mcp_info->link_output;
4496 if (!p_link->min_pf_rate) {
4497 p_hwfn->qm_info.wfq_data[vp_id].min_speed = rate;
4498 p_hwfn->qm_info.wfq_data[vp_id].configured = true;
4502 rc = qed_init_wfq_param(p_hwfn, vp_id, rate, p_link->min_pf_rate);
4505 qed_configure_wfq_for_all_vports(p_hwfn, p_ptt,
4506 p_link->min_pf_rate);
4509 "Validation failed while configuring min rate\n");
4514 static int __qed_configure_vp_wfq_on_link_change(struct qed_hwfn *p_hwfn,
4515 struct qed_ptt *p_ptt,
4518 bool use_wfq = false;
4522 /* Validate all pre configured vports for wfq */
4523 for (i = 0; i < p_hwfn->qm_info.num_vports; i++) {
4526 if (!p_hwfn->qm_info.wfq_data[i].configured)
4529 rate = p_hwfn->qm_info.wfq_data[i].min_speed;
4532 rc = qed_init_wfq_param(p_hwfn, i, rate, min_pf_rate);
4535 "WFQ validation failed while configuring min rate\n");
4541 qed_configure_wfq_for_all_vports(p_hwfn, p_ptt, min_pf_rate);
4543 qed_disable_wfq_for_all_vports(p_hwfn, p_ptt, min_pf_rate);
4548 /* Main API for qed clients to configure vport min rate.
4549 * vp_id - vport id in PF Range[0 - (total_num_vports_per_pf - 1)]
4550 * rate - Speed in Mbps needs to be assigned to a given vport.
4552 int qed_configure_vport_wfq(struct qed_dev *cdev, u16 vp_id, u32 rate)
4554 int i, rc = -EINVAL;
4556 /* Currently not supported; Might change in future */
4557 if (cdev->num_hwfns > 1) {
4559 "WFQ configuration is not supported for this device\n");
4563 for_each_hwfn(cdev, i) {
4564 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
4565 struct qed_ptt *p_ptt;
4567 p_ptt = qed_ptt_acquire(p_hwfn);
4571 rc = __qed_configure_vport_wfq(p_hwfn, p_ptt, vp_id, rate);
4574 qed_ptt_release(p_hwfn, p_ptt);
4578 qed_ptt_release(p_hwfn, p_ptt);
4584 /* API to configure WFQ from mcp link change */
4585 void qed_configure_vp_wfq_on_link_change(struct qed_dev *cdev,
4586 struct qed_ptt *p_ptt, u32 min_pf_rate)
4590 if (cdev->num_hwfns > 1) {
4593 "WFQ configuration is not supported for this device\n");
4597 for_each_hwfn(cdev, i) {
4598 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
4600 __qed_configure_vp_wfq_on_link_change(p_hwfn, p_ptt,
4605 int __qed_configure_pf_max_bandwidth(struct qed_hwfn *p_hwfn,
4606 struct qed_ptt *p_ptt,
4607 struct qed_mcp_link_state *p_link,
4612 p_hwfn->mcp_info->func_info.bandwidth_max = max_bw;
4614 if (!p_link->line_speed && (max_bw != 100))
4617 p_link->speed = (p_link->line_speed * max_bw) / 100;
4618 p_hwfn->qm_info.pf_rl = p_link->speed;
4620 /* Since the limiter also affects Tx-switched traffic, we don't want it
4621 * to limit such traffic in case there's no actual limit.
4622 * In that case, set limit to imaginary high boundary.
4625 p_hwfn->qm_info.pf_rl = 100000;
4627 rc = qed_init_pf_rl(p_hwfn, p_ptt, p_hwfn->rel_pf_id,
4628 p_hwfn->qm_info.pf_rl);
4630 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
4631 "Configured MAX bandwidth to be %08x Mb/sec\n",
4637 /* Main API to configure PF max bandwidth where bw range is [1 - 100] */
4638 int qed_configure_pf_max_bandwidth(struct qed_dev *cdev, u8 max_bw)
4640 int i, rc = -EINVAL;
4642 if (max_bw < 1 || max_bw > 100) {
4643 DP_NOTICE(cdev, "PF max bw valid range is [1-100]\n");
4647 for_each_hwfn(cdev, i) {
4648 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
4649 struct qed_hwfn *p_lead = QED_LEADING_HWFN(cdev);
4650 struct qed_mcp_link_state *p_link;
4651 struct qed_ptt *p_ptt;
4653 p_link = &p_lead->mcp_info->link_output;
4655 p_ptt = qed_ptt_acquire(p_hwfn);
4659 rc = __qed_configure_pf_max_bandwidth(p_hwfn, p_ptt,
4662 qed_ptt_release(p_hwfn, p_ptt);
4671 int __qed_configure_pf_min_bandwidth(struct qed_hwfn *p_hwfn,
4672 struct qed_ptt *p_ptt,
4673 struct qed_mcp_link_state *p_link,
4678 p_hwfn->mcp_info->func_info.bandwidth_min = min_bw;
4679 p_hwfn->qm_info.pf_wfq = min_bw;
4681 if (!p_link->line_speed)
4684 p_link->min_pf_rate = (p_link->line_speed * min_bw) / 100;
4686 rc = qed_init_pf_wfq(p_hwfn, p_ptt, p_hwfn->rel_pf_id, min_bw);
4688 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
4689 "Configured MIN bandwidth to be %d Mb/sec\n",
4690 p_link->min_pf_rate);
4695 /* Main API to configure PF min bandwidth where bw range is [1-100] */
4696 int qed_configure_pf_min_bandwidth(struct qed_dev *cdev, u8 min_bw)
4698 int i, rc = -EINVAL;
4700 if (min_bw < 1 || min_bw > 100) {
4701 DP_NOTICE(cdev, "PF min bw valid range is [1-100]\n");
4705 for_each_hwfn(cdev, i) {
4706 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
4707 struct qed_hwfn *p_lead = QED_LEADING_HWFN(cdev);
4708 struct qed_mcp_link_state *p_link;
4709 struct qed_ptt *p_ptt;
4711 p_link = &p_lead->mcp_info->link_output;
4713 p_ptt = qed_ptt_acquire(p_hwfn);
4717 rc = __qed_configure_pf_min_bandwidth(p_hwfn, p_ptt,
4720 qed_ptt_release(p_hwfn, p_ptt);
4724 if (p_link->min_pf_rate) {
4725 u32 min_rate = p_link->min_pf_rate;
4727 rc = __qed_configure_vp_wfq_on_link_change(p_hwfn,
4732 qed_ptt_release(p_hwfn, p_ptt);
4738 void qed_clean_wfq_db(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
4740 struct qed_mcp_link_state *p_link;
4742 p_link = &p_hwfn->mcp_info->link_output;
4744 if (p_link->min_pf_rate)
4745 qed_disable_wfq_for_all_vports(p_hwfn, p_ptt,
4746 p_link->min_pf_rate);
4748 memset(p_hwfn->qm_info.wfq_data, 0,
4749 sizeof(*p_hwfn->qm_info.wfq_data) * p_hwfn->qm_info.num_vports);
4752 int qed_device_num_ports(struct qed_dev *cdev)
4754 return cdev->num_ports;
4757 void qed_set_fw_mac_addr(__le16 *fw_msb,
4758 __le16 *fw_mid, __le16 *fw_lsb, u8 *mac)
4760 ((u8 *)fw_msb)[0] = mac[1];
4761 ((u8 *)fw_msb)[1] = mac[0];
4762 ((u8 *)fw_mid)[0] = mac[3];
4763 ((u8 *)fw_mid)[1] = mac[2];
4764 ((u8 *)fw_lsb)[0] = mac[5];
4765 ((u8 *)fw_lsb)[1] = mac[4];