1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(C) 2021 Marvell.
8 #define CPT_IQ_FC_LEN 128
9 #define CPT_IQ_GRP_LEN 16
11 #define CPT_IQ_NB_DESC_MULTIPLIER 40
13 /* The effective queue size to software is (CPT_LF_Q_SIZE[SIZE_DIV40] - 1 - 8).
15 * CPT requires 320 free entries (+8). And 40 entries are required for
16 * allowing CPT to discard packet when the queues are full (+1).
18 #define CPT_IQ_NB_DESC_SIZE_DIV40(nb_desc) \
19 (PLT_DIV_CEIL(nb_desc, CPT_IQ_NB_DESC_MULTIPLIER) + 1 + 8)
21 #define CPT_IQ_GRP_SIZE(nb_desc) \
22 (CPT_IQ_NB_DESC_SIZE_DIV40(nb_desc) * CPT_IQ_GRP_LEN)
24 #define CPT_LF_MAX_NB_DESC 128000
25 #define CPT_LF_DEFAULT_NB_DESC 1024
26 #define CPT_LF_FC_MIN_THRESHOLD 32
29 cpt_lf_misc_intr_enb_dis(struct roc_cpt_lf *lf, bool enb)
31 /* Enable all cpt lf error irqs except RQ_DISABLED and CQ_DISABLED */
33 plt_write64((BIT_ULL(6) | BIT_ULL(5) | BIT_ULL(3) | BIT_ULL(2) |
35 lf->rbase + CPT_LF_MISC_INT_ENA_W1S);
37 plt_write64((BIT_ULL(6) | BIT_ULL(5) | BIT_ULL(3) | BIT_ULL(2) |
39 lf->rbase + CPT_LF_MISC_INT_ENA_W1C);
43 cpt_lf_misc_irq(void *param)
45 struct roc_cpt_lf *lf = (struct roc_cpt_lf *)param;
46 struct dev *dev = lf->dev;
49 intr = plt_read64(lf->rbase + CPT_LF_MISC_INT);
53 plt_err("Err_irq=0x%" PRIx64 " pf=%d, vf=%d", intr, dev->pf, dev->vf);
55 /* Dump lf registers */
59 plt_write64(intr, lf->rbase + CPT_LF_MISC_INT);
63 cpt_lf_register_misc_irq(struct roc_cpt_lf *lf)
65 struct plt_pci_device *pci_dev = lf->pci_dev;
66 struct plt_intr_handle *handle;
69 handle = pci_dev->intr_handle;
71 vec = lf->msixoff + CPT_LF_INT_VEC_MISC;
72 /* Clear err interrupt */
73 cpt_lf_misc_intr_enb_dis(lf, false);
74 /* Set used interrupt vectors */
75 rc = dev_irq_register(handle, cpt_lf_misc_irq, lf, vec);
76 /* Enable all dev interrupt except for RQ_DISABLED */
77 cpt_lf_misc_intr_enb_dis(lf, true);
83 cpt_lf_unregister_misc_irq(struct roc_cpt_lf *lf)
85 struct plt_pci_device *pci_dev = lf->pci_dev;
86 struct plt_intr_handle *handle;
89 handle = pci_dev->intr_handle;
91 vec = lf->msixoff + CPT_LF_INT_VEC_MISC;
92 /* Clear err interrupt */
93 cpt_lf_misc_intr_enb_dis(lf, false);
94 dev_irq_unregister(handle, cpt_lf_misc_irq, lf, vec);
98 cpt_lf_done_intr_enb_dis(struct roc_cpt_lf *lf, bool enb)
101 plt_write64(0x1, lf->rbase + CPT_LF_DONE_INT_ENA_W1S);
103 plt_write64(0x1, lf->rbase + CPT_LF_DONE_INT_ENA_W1C);
107 cpt_lf_done_irq(void *param)
109 struct roc_cpt_lf *lf = param;
113 /* Read the number of completed requests */
114 intr = plt_read64(lf->rbase + CPT_LF_DONE);
118 done_wait = plt_read64(lf->rbase + CPT_LF_DONE_WAIT);
120 /* Acknowledge the number of completed requests */
121 plt_write64(intr, lf->rbase + CPT_LF_DONE_ACK);
123 plt_write64(done_wait, lf->rbase + CPT_LF_DONE_WAIT);
127 cpt_lf_register_done_irq(struct roc_cpt_lf *lf)
129 struct plt_pci_device *pci_dev = lf->pci_dev;
130 struct plt_intr_handle *handle;
133 handle = pci_dev->intr_handle;
135 vec = lf->msixoff + CPT_LF_INT_VEC_DONE;
137 /* Clear done interrupt */
138 cpt_lf_done_intr_enb_dis(lf, false);
140 /* Set used interrupt vectors */
141 rc = dev_irq_register(handle, cpt_lf_done_irq, lf, vec);
143 /* Enable done interrupt */
144 cpt_lf_done_intr_enb_dis(lf, true);
150 cpt_lf_unregister_done_irq(struct roc_cpt_lf *lf)
152 struct plt_pci_device *pci_dev = lf->pci_dev;
153 struct plt_intr_handle *handle;
156 handle = pci_dev->intr_handle;
158 vec = lf->msixoff + CPT_LF_INT_VEC_DONE;
160 /* Clear done interrupt */
161 cpt_lf_done_intr_enb_dis(lf, false);
162 dev_irq_unregister(handle, cpt_lf_done_irq, lf, vec);
166 cpt_lf_register_irqs(struct roc_cpt_lf *lf)
170 if (lf->msixoff == MSIX_VECTOR_INVALID) {
171 plt_err("Invalid CPTLF MSIX vector offset vector: 0x%x",
176 /* Register lf err interrupt */
177 rc = cpt_lf_register_misc_irq(lf);
179 plt_err("Error registering IRQs");
181 rc = cpt_lf_register_done_irq(lf);
183 plt_err("Error registering IRQs");
189 cpt_lf_unregister_irqs(struct roc_cpt_lf *lf)
191 cpt_lf_unregister_misc_irq(lf);
192 cpt_lf_unregister_done_irq(lf);
196 cpt_lf_dump(struct roc_cpt_lf *lf)
198 plt_cpt_dbg("CPT LF");
199 plt_cpt_dbg("RBASE: 0x%016" PRIx64, lf->rbase);
200 plt_cpt_dbg("LMT_BASE: 0x%016" PRIx64, lf->lmt_base);
201 plt_cpt_dbg("MSIXOFF: 0x%x", lf->msixoff);
202 plt_cpt_dbg("LF_ID: 0x%x", lf->lf_id);
203 plt_cpt_dbg("NB DESC: %d", lf->nb_desc);
204 plt_cpt_dbg("FC_ADDR: 0x%016" PRIx64, (uintptr_t)lf->fc_addr);
205 plt_cpt_dbg("CQ.VADDR: 0x%016" PRIx64, (uintptr_t)lf->iq_vaddr);
207 plt_cpt_dbg("CPT LF REG:");
208 plt_cpt_dbg("LF_CTL[0x%016llx]: 0x%016" PRIx64, CPT_LF_CTL,
209 plt_read64(lf->rbase + CPT_LF_CTL));
210 plt_cpt_dbg("LF_INPROG[0x%016llx]: 0x%016" PRIx64, CPT_LF_INPROG,
211 plt_read64(lf->rbase + CPT_LF_INPROG));
213 plt_cpt_dbg("Q_BASE[0x%016llx]: 0x%016" PRIx64, CPT_LF_Q_BASE,
214 plt_read64(lf->rbase + CPT_LF_Q_BASE));
215 plt_cpt_dbg("Q_SIZE[0x%016llx]: 0x%016" PRIx64, CPT_LF_Q_SIZE,
216 plt_read64(lf->rbase + CPT_LF_Q_SIZE));
217 plt_cpt_dbg("Q_INST_PTR[0x%016llx]: 0x%016" PRIx64, CPT_LF_Q_INST_PTR,
218 plt_read64(lf->rbase + CPT_LF_Q_INST_PTR));
219 plt_cpt_dbg("Q_GRP_PTR[0x%016llx]: 0x%016" PRIx64, CPT_LF_Q_GRP_PTR,
220 plt_read64(lf->rbase + CPT_LF_Q_GRP_PTR));
224 cpt_lf_outb_cfg(struct dev *dev, uint16_t sso_pf_func, uint16_t nix_pf_func,
225 uint8_t lf_id, bool ena)
227 struct cpt_inline_ipsec_cfg_msg *req;
228 struct mbox *mbox = dev->mbox;
230 req = mbox_alloc_msg_cpt_inline_ipsec_cfg(mbox);
234 req->dir = CPT_INLINE_OUTBOUND;
238 req->sso_pf_func = sso_pf_func;
239 req->nix_pf_func = nix_pf_func;
244 return mbox_process(mbox);
248 roc_cpt_inline_ipsec_cfg(struct dev *cpt_dev, uint8_t lf_id,
249 struct roc_nix *roc_nix)
251 bool ena = roc_nix ? true : false;
252 uint16_t nix_pf_func = 0;
253 uint16_t sso_pf_func = 0;
256 nix_pf_func = roc_nix_get_pf_func(roc_nix);
257 sso_pf_func = idev_sso_pffunc_get();
260 return cpt_lf_outb_cfg(cpt_dev, sso_pf_func, nix_pf_func, lf_id, ena);
264 roc_cpt_inline_ipsec_inb_cfg(struct roc_cpt *roc_cpt, uint16_t param1,
267 struct cpt *cpt = roc_cpt_to_cpt_priv(roc_cpt);
268 struct cpt_rx_inline_lf_cfg_msg *req;
271 mbox = cpt->dev.mbox;
273 req = mbox_alloc_msg_cpt_rx_inline_lf_cfg(mbox);
277 req->sso_pf_func = idev_sso_pffunc_get();
278 req->param1 = param1;
279 req->param2 = param2;
281 return mbox_process(mbox);
285 roc_cpt_rxc_time_cfg(struct roc_cpt *roc_cpt, struct roc_cpt_rxc_time_cfg *cfg)
287 struct cpt *cpt = roc_cpt_to_cpt_priv(roc_cpt);
288 struct cpt_rxc_time_cfg_req *req;
289 struct dev *dev = &cpt->dev;
291 req = mbox_alloc_msg_cpt_rxc_time_cfg(dev->mbox);
297 /* The step value is in microseconds. */
298 req->step = cfg->step;
300 /* The timeout will be: limit * step microseconds */
301 req->zombie_limit = cfg->zombie_limit;
302 req->zombie_thres = cfg->zombie_thres;
304 /* The timeout will be: limit * step microseconds */
305 req->active_limit = cfg->active_limit;
306 req->active_thres = cfg->active_thres;
308 return mbox_process(dev->mbox);
312 cpt_get_msix_offset(struct dev *dev, struct msix_offset_rsp **msix_rsp)
314 struct mbox *mbox = dev->mbox;
317 /* Get MSIX vector offsets */
318 mbox_alloc_msg_msix_offset(mbox);
319 rc = mbox_process_msg(mbox, (void *)msix_rsp);
325 cpt_lfs_attach(struct dev *dev, uint8_t blkaddr, bool modify, uint16_t nb_lf)
327 struct mbox *mbox = dev->mbox;
328 struct rsrc_attach_req *req;
330 if (blkaddr != RVU_BLOCK_ADDR_CPT0 && blkaddr != RVU_BLOCK_ADDR_CPT1)
334 req = mbox_alloc_msg_attach_resources(mbox);
339 req->modify = modify;
340 req->cpt_blkaddr = blkaddr;
342 return mbox_process(mbox);
346 cpt_lfs_detach(struct dev *dev)
348 struct mbox *mbox = dev->mbox;
349 struct rsrc_detach_req *req;
351 req = mbox_alloc_msg_detach_resources(mbox);
358 return mbox_process(mbox);
362 cpt_available_lfs_get(struct dev *dev, uint16_t *nb_lf)
364 struct mbox *mbox = dev->mbox;
365 struct free_rsrcs_rsp *rsp;
368 mbox_alloc_msg_free_rsrc_cnt(mbox);
370 rc = mbox_process_msg(mbox, (void *)&rsp);
374 *nb_lf = PLT_MAX((uint16_t)rsp->cpt, (uint16_t)rsp->cpt1);
379 cpt_lfs_alloc(struct dev *dev, uint8_t eng_grpmsk, uint8_t blkaddr,
382 struct cpt_lf_alloc_req_msg *req;
383 struct mbox *mbox = dev->mbox;
385 if (blkaddr != RVU_BLOCK_ADDR_CPT0 && blkaddr != RVU_BLOCK_ADDR_CPT1)
388 req = mbox_alloc_msg_cpt_lf_alloc(mbox);
392 req->nix_pf_func = 0;
393 if (inl_dev_sso && nix_inl_dev_pffunc_get())
394 req->sso_pf_func = nix_inl_dev_pffunc_get();
396 req->sso_pf_func = idev_sso_pffunc_get();
397 req->eng_grpmsk = eng_grpmsk;
398 req->blkaddr = blkaddr;
400 return mbox_process(mbox);
404 cpt_lfs_free(struct dev *dev)
406 mbox_alloc_msg_cpt_lf_free(dev->mbox);
408 return mbox_process(dev->mbox);
412 cpt_hardware_caps_get(struct dev *dev, struct roc_cpt *roc_cpt)
414 struct cpt_caps_rsp_msg *rsp;
417 mbox_alloc_msg_cpt_caps_get(dev->mbox);
419 ret = mbox_process_msg(dev->mbox, (void *)&rsp);
423 roc_cpt->cpt_revision = rsp->cpt_revision;
424 mbox_memcpy(roc_cpt->hw_caps, rsp->eng_caps,
425 sizeof(union cpt_eng_caps) * CPT_MAX_ENG_TYPES);
431 cpt_lf_iq_mem_calc(uint32_t nb_desc)
435 /* Space for instruction group memory */
436 len = CPT_IQ_GRP_SIZE(nb_desc);
439 len = PLT_ALIGN(len, ROC_ALIGN);
442 len += CPT_IQ_FC_LEN;
444 /* For instruction queues */
445 len += PLT_ALIGN(CPT_IQ_NB_DESC_SIZE_DIV40(nb_desc) *
446 CPT_IQ_NB_DESC_MULTIPLIER *
447 sizeof(struct cpt_inst_s),
454 cpt_iq_init(struct roc_cpt_lf *lf)
456 union cpt_lf_q_size lf_q_size = {.u = 0x0};
457 union cpt_lf_q_base lf_q_base = {.u = 0x0};
460 lf->io_addr = lf->rbase + CPT_LF_NQX(0);
462 /* Disable command queue */
463 roc_cpt_iq_disable(lf);
465 /* Set command queue base address */
466 addr = (uintptr_t)lf->iq_vaddr +
467 PLT_ALIGN(CPT_IQ_GRP_SIZE(lf->nb_desc), ROC_ALIGN);
471 plt_write64(lf_q_base.u, lf->rbase + CPT_LF_Q_BASE);
473 /* Set command queue size */
474 lf_q_size.s.size_div40 = CPT_IQ_NB_DESC_SIZE_DIV40(lf->nb_desc);
475 plt_write64(lf_q_size.u, lf->rbase + CPT_LF_Q_SIZE);
477 lf->fc_addr = (uint64_t *)addr;
481 roc_cpt_dev_configure(struct roc_cpt *roc_cpt, int nb_lf)
483 struct cpt *cpt = roc_cpt_to_cpt_priv(roc_cpt);
484 uint8_t blkaddr[ROC_CPT_MAX_BLKS];
485 struct msix_offset_rsp *rsp;
490 blkaddr[0] = RVU_BLOCK_ADDR_CPT0;
491 blkaddr[1] = RVU_BLOCK_ADDR_CPT1;
493 if ((roc_cpt->cpt_revision == ROC_CPT_REVISION_ID_98XX) &&
494 (cpt->dev.pf_func & 0x1))
495 blknum = (blknum + 1) % ROC_CPT_MAX_BLKS;
497 /* Request LF resources */
498 rc = cpt_lfs_attach(&cpt->dev, blkaddr[blknum], true, nb_lf);
500 /* Request LFs from another block if current block has less LFs */
501 if (roc_cpt->cpt_revision == ROC_CPT_REVISION_ID_98XX && rc == ENOSPC) {
502 blknum = (blknum + 1) % ROC_CPT_MAX_BLKS;
503 rc = cpt_lfs_attach(&cpt->dev, blkaddr[blknum], true, nb_lf);
506 plt_err("Could not attach LFs");
510 for (i = 0; i < nb_lf; i++)
511 cpt->lf_blkaddr[i] = blkaddr[blknum];
513 eng_grpmsk = (1 << roc_cpt->eng_grp[CPT_ENG_TYPE_AE]) |
514 (1 << roc_cpt->eng_grp[CPT_ENG_TYPE_SE]) |
515 (1 << roc_cpt->eng_grp[CPT_ENG_TYPE_IE]);
517 rc = cpt_lfs_alloc(&cpt->dev, eng_grpmsk, blkaddr[blknum], false);
521 rc = cpt_get_msix_offset(&cpt->dev, &rsp);
525 for (i = 0; i < nb_lf; i++)
526 cpt->lf_msix_off[i] =
527 (cpt->lf_blkaddr[i] == RVU_BLOCK_ADDR_CPT1) ?
528 rsp->cpt1_lf_msixoff[i] :
529 rsp->cptlf_msixoff[i];
531 roc_cpt->nb_lf = nb_lf;
536 cpt_lfs_free(&cpt->dev);
538 cpt_lfs_detach(&cpt->dev);
543 cpt_get_blkaddr(struct dev *dev)
548 /* Reading the discovery register to know which CPT is the LF
549 * attached to. Assume CPT LF's of only one block are attached
553 off = RVU_VF_BLOCK_ADDRX_DISC(RVU_BLOCK_ADDR_CPT1);
555 off = RVU_PF_BLOCK_ADDRX_DISC(RVU_BLOCK_ADDR_CPT1);
557 reg = plt_read64(dev->bar2 + off);
559 return reg & 0x1FFULL ? RVU_BLOCK_ADDR_CPT1 : RVU_BLOCK_ADDR_CPT0;
563 cpt_lf_init(struct roc_cpt_lf *lf)
565 struct dev *dev = lf->dev;
570 if (lf->nb_desc == 0 || lf->nb_desc > CPT_LF_MAX_NB_DESC)
571 lf->nb_desc = CPT_LF_DEFAULT_NB_DESC;
573 /* Allocate memory for instruction queue for CPT LF. */
574 iq_mem = plt_zmalloc(cpt_lf_iq_mem_calc(lf->nb_desc), ROC_ALIGN);
577 plt_atomic_thread_fence(__ATOMIC_ACQ_REL);
579 blkaddr = cpt_get_blkaddr(dev);
580 lf->rbase = dev->bar2 + ((blkaddr << 20) | (lf->lf_id << 12));
581 lf->iq_vaddr = iq_mem;
582 lf->lmt_base = dev->lmt_base;
583 lf->pf_func = dev->pf_func;
585 /* Initialize instruction queue */
588 rc = cpt_lf_register_irqs(lf);
595 roc_cpt_iq_disable(lf);
601 roc_cpt_lf_init(struct roc_cpt *roc_cpt, struct roc_cpt_lf *lf)
603 struct cpt *cpt = roc_cpt_to_cpt_priv(roc_cpt);
607 lf->roc_cpt = roc_cpt;
608 lf->msixoff = cpt->lf_msix_off[lf->lf_id];
609 lf->pci_dev = cpt->pci_dev;
611 rc = cpt_lf_init(lf);
615 /* LF init successful */
616 roc_cpt->lf[lf->lf_id] = lf;
621 roc_cpt_dev_init(struct roc_cpt *roc_cpt)
623 struct plt_pci_device *pci_dev;
624 uint16_t nb_lf_avail;
629 if (roc_cpt == NULL || roc_cpt->pci_dev == NULL)
632 PLT_STATIC_ASSERT(sizeof(struct cpt) <= ROC_CPT_MEM_SZ);
634 cpt = roc_cpt_to_cpt_priv(roc_cpt);
635 memset(cpt, 0, sizeof(*cpt));
636 pci_dev = roc_cpt->pci_dev;
639 /* Initialize device */
640 rc = dev_init(dev, pci_dev);
642 plt_err("Failed to init roc device");
646 cpt->pci_dev = pci_dev;
647 roc_cpt->lmt_base = dev->lmt_base;
649 rc = cpt_hardware_caps_get(dev, roc_cpt);
651 plt_err("Could not determine hardware capabilities");
655 rc = cpt_available_lfs_get(&cpt->dev, &nb_lf_avail);
657 plt_err("Could not get available lfs");
661 /* Reserve 1 CPT LF for inline inbound */
662 nb_lf_avail = PLT_MIN(nb_lf_avail, (uint16_t)(ROC_CPT_MAX_LFS - 1));
664 roc_cpt->nb_lf_avail = nb_lf_avail;
666 dev->roc_cpt = roc_cpt;
668 /* Set it to idev if not already present */
669 if (!roc_idev_cpt_get())
670 roc_idev_cpt_set(roc_cpt);
679 roc_cpt_lf_ctx_flush(struct roc_cpt_lf *lf, void *cptr, bool inval)
681 union cpt_lf_ctx_flush reg;
684 plt_err("Could not trigger CTX flush");
690 reg.s.cptr = (uintptr_t)cptr >> 7;
692 plt_write64(reg.u, lf->rbase + CPT_LF_CTX_FLUSH);
698 roc_cpt_lf_ctx_reload(struct roc_cpt_lf *lf, void *cptr)
700 union cpt_lf_ctx_reload reg;
703 plt_err("Could not trigger CTX reload");
708 reg.s.cptr = (uintptr_t)cptr >> 7;
710 plt_write64(reg.u, lf->rbase + CPT_LF_CTX_RELOAD);
716 cpt_lf_fini(struct roc_cpt_lf *lf)
718 /* Unregister IRQ's */
719 cpt_lf_unregister_irqs(lf);
722 roc_cpt_iq_disable(lf);
725 plt_free(lf->iq_vaddr);
730 roc_cpt_lf_fini(struct roc_cpt_lf *lf)
734 lf->roc_cpt->lf[lf->lf_id] = NULL;
739 roc_cpt_dev_fini(struct roc_cpt *roc_cpt)
741 struct cpt *cpt = roc_cpt_to_cpt_priv(roc_cpt);
746 /* Remove idev references */
747 if (roc_idev_cpt_get() == roc_cpt)
748 roc_idev_cpt_set(NULL);
750 roc_cpt->nb_lf_avail = 0;
752 roc_cpt->lmt_base = 0;
754 return dev_fini(&cpt->dev, cpt->pci_dev);
758 roc_cpt_dev_clear(struct roc_cpt *roc_cpt)
760 struct cpt *cpt = roc_cpt_to_cpt_priv(roc_cpt);
766 for (i = 0; i < roc_cpt->nb_lf; i++)
767 cpt->lf_msix_off[i] = 0;
771 cpt_lfs_free(&cpt->dev);
773 cpt_lfs_detach(&cpt->dev);
777 roc_cpt_eng_grp_add(struct roc_cpt *roc_cpt, enum cpt_eng_type eng_type)
779 struct cpt *cpt = roc_cpt_to_cpt_priv(roc_cpt);
780 struct dev *dev = &cpt->dev;
781 struct cpt_eng_grp_req *req;
782 struct cpt_eng_grp_rsp *rsp;
785 req = mbox_alloc_msg_cpt_eng_grp_get(dev->mbox);
790 case CPT_ENG_TYPE_AE:
791 case CPT_ENG_TYPE_SE:
792 case CPT_ENG_TYPE_IE:
798 req->eng_type = eng_type;
799 ret = mbox_process_msg(dev->mbox, (void *)&rsp);
803 if (rsp->eng_grp_num > 8) {
804 plt_err("Invalid CPT engine group");
808 roc_cpt->eng_grp[eng_type] = rsp->eng_grp_num;
810 return rsp->eng_grp_num;
814 roc_cpt_iq_disable(struct roc_cpt_lf *lf)
816 volatile union cpt_lf_q_grp_ptr grp_ptr = {.u = 0x0};
817 volatile union cpt_lf_inprog lf_inprog = {.u = 0x0};
818 union cpt_lf_ctl lf_ctl = {.u = 0x0};
822 /* Disable instructions enqueuing */
823 plt_write64(lf_ctl.u, lf->rbase + CPT_LF_CTL);
825 /* Wait for instruction queue to become empty */
827 lf_inprog.u = plt_read64(lf->rbase + CPT_LF_INPROG);
828 if (!lf_inprog.s.inflight)
833 plt_err("CPT LF %d is still busy", lf->lf_id);
839 /* Disable executions in the LF's queue.
840 * The queue should be empty at this point
842 lf_inprog.s.eena = 0x0;
843 plt_write64(lf_inprog.u, lf->rbase + CPT_LF_INPROG);
845 /* Wait for instruction queue to become empty */
848 lf_inprog.u = plt_read64(lf->rbase + CPT_LF_INPROG);
849 if (lf_inprog.s.grb_partial)
853 grp_ptr.u = plt_read64(lf->rbase + CPT_LF_Q_GRP_PTR);
854 } while ((cnt < 10) && (grp_ptr.s.nq_ptr != grp_ptr.s.dq_ptr));
858 lf_inprog.u = plt_read64(lf->rbase + CPT_LF_INPROG);
859 if ((lf_inprog.s.inflight == 0) && (lf_inprog.s.gwb_cnt < 40) &&
860 ((lf_inprog.s.grb_cnt == 0) || (lf_inprog.s.grb_cnt == 40)))
868 roc_cpt_iq_enable(struct roc_cpt_lf *lf)
870 union cpt_lf_inprog lf_inprog;
871 union cpt_lf_ctl lf_ctl;
873 /* Disable command queue */
874 roc_cpt_iq_disable(lf);
876 /* Enable instruction queue enqueuing */
877 lf_ctl.u = plt_read64(lf->rbase + CPT_LF_CTL);
880 lf_ctl.s.fc_up_crossing = 0;
881 lf_ctl.s.fc_hyst_bits = plt_log2_u32(CPT_LF_FC_MIN_THRESHOLD);
882 plt_write64(lf_ctl.u, lf->rbase + CPT_LF_CTL);
884 /* Enable command queue execution */
885 lf_inprog.u = plt_read64(lf->rbase + CPT_LF_INPROG);
886 lf_inprog.s.eena = 1;
887 plt_write64(lf_inprog.u, lf->rbase + CPT_LF_INPROG);
893 roc_cpt_lmtline_init(struct roc_cpt *roc_cpt, struct roc_cpt_lmtline *lmtline,
896 struct roc_cpt_lf *lf;
898 lf = roc_cpt->lf[lf_id];
902 lmtline->io_addr = lf->io_addr;
903 if (roc_model_is_cn10k())
904 lmtline->io_addr |= ROC_CN10K_CPT_INST_DW_M1 << 4;
906 lmtline->fc_addr = lf->fc_addr;
907 lmtline->lmt_base = lf->lmt_base;
908 lmtline->fc_thresh = lf->nb_desc - CPT_LF_FC_MIN_THRESHOLD;
914 roc_cpt_ctx_write(struct roc_cpt_lf *lf, void *sa_dptr, void *sa_cptr,
917 uintptr_t lmt_base = lf->lmt_base;
918 union cpt_res_s res, *hw_res;
919 uint64_t lmt_arg, io_addr;
920 struct cpt_inst_s *inst;
925 ROC_LMT_CPT_BASE_ID_GET(lmt_base, lmt_id);
926 inst = (struct cpt_inst_s *)lmt_base;
928 memset(inst, 0, sizeof(struct cpt_inst_s));
930 hw_res = plt_zmalloc(sizeof(*hw_res), ROC_CPT_RES_ALIGN);
931 if (hw_res == NULL) {
932 plt_err("Couldn't allocate memory for result address");
936 dptr = plt_zmalloc(sa_len, 8);
938 plt_err("Couldn't allocate memory for SA dptr");
943 for (i = 0; i < (sa_len / 8); i++)
944 dptr[i] = plt_cpu_to_be_64(((uint64_t *)sa_dptr)[i]);
946 /* Fill CPT_INST_S for WRITE_SA microcode op */
947 hw_res->cn10k.compcode = CPT_COMP_NOT_DONE;
948 inst->res_addr = (uint64_t)hw_res;
949 inst->dptr = (uint64_t)dptr;
950 inst->w4.s.param2 = sa_len >> 3;
951 inst->w4.s.dlen = sa_len;
952 inst->w4.s.opcode_major = ROC_IE_OT_MAJOR_OP_WRITE_SA;
953 inst->w4.s.opcode_minor = ROC_IE_OT_MINOR_OP_WRITE_SA;
954 inst->w7.s.cptr = (uint64_t)sa_cptr;
955 inst->w7.s.ctx_val = 1;
956 inst->w7.s.egrp = ROC_CPT_DFLT_ENG_GRP_SE_IE;
958 lmt_arg = ROC_CN10K_CPT_LMT_ARG | (uint64_t)lmt_id;
959 io_addr = lf->io_addr | ROC_CN10K_CPT_INST_DW_M1 << 4;
961 roc_lmt_submit_steorl(lmt_arg, io_addr);
964 /* Use 1 min timeout for the poll */
965 const uint64_t timeout = plt_tsc_cycles() + 60 * plt_tsc_hz();
967 /* Wait until CPT instruction completes */
969 res.u64[0] = __atomic_load_n(&hw_res->u64[0], __ATOMIC_RELAXED);
970 if (unlikely(plt_tsc_cycles() > timeout))
972 } while (res.cn10k.compcode == CPT_COMP_NOT_DONE);
977 if (res.cn10k.compcode != CPT_COMP_WARN) {
978 plt_err("Write SA operation timed out");
986 roc_on_cpt_ctx_write(struct roc_cpt_lf *lf, void *sa, uint8_t opcode,
987 uint16_t ctx_len, uint8_t egrp)
989 union cpt_res_s res, *hw_res;
990 struct cpt_inst_s inst;
994 hw_res = plt_zmalloc(sizeof(*hw_res), ROC_CPT_RES_ALIGN);
995 if (unlikely(hw_res == NULL)) {
996 plt_err("Couldn't allocate memory for result address");
1000 hw_res->cn9k.compcode = CPT_COMP_NOT_DONE;
1002 inst.w4.s.opcode_major = opcode;
1003 inst.w4.s.opcode_minor = ctx_len >> 3;
1004 inst.w4.s.param1 = 0;
1005 inst.w4.s.param2 = 0;
1006 inst.w4.s.dlen = ctx_len;
1007 inst.dptr = rte_mempool_virt2iova(sa);
1009 inst.w7.s.cptr = rte_mempool_virt2iova(sa);
1010 inst.w7.s.egrp = egrp;
1015 inst.res_addr = (uintptr_t)hw_res;
1020 /* Copy CPT command to LMTLINE */
1021 roc_lmt_mov64((void *)lf->lmt_base, &inst);
1022 lmt_status = roc_lmt_submit_ldeor(lf->io_addr);
1023 } while (lmt_status == 0);
1025 const uint64_t timeout = plt_tsc_cycles() + 60 * plt_tsc_hz();
1027 /* Wait until CPT instruction completes */
1029 res.u64[0] = __atomic_load_n(&hw_res->u64[0], __ATOMIC_RELAXED);
1030 if (unlikely(plt_tsc_cycles() > timeout)) {
1031 plt_err("Request timed out");
1035 } while (res.cn9k.compcode == CPT_COMP_NOT_DONE);
1037 if (unlikely(res.cn9k.compcode != CPT_COMP_GOOD)) {
1038 ret = res.cn9k.compcode;
1040 case CPT_COMP_INSTERR:
1041 plt_err("Request failed with instruction error");
1043 case CPT_COMP_FAULT:
1044 plt_err("Request failed with DMA fault");
1046 case CPT_COMP_HWERR:
1047 plt_err("Request failed with hardware error");
1050 plt_err("Request failed with unknown hardware completion code : 0x%x",
1057 if (unlikely(res.cn9k.uc_compcode != ROC_IE_ON_UCC_SUCCESS)) {
1058 ret = res.cn9k.uc_compcode;
1060 case ROC_IE_ON_AUTH_UNSUPPORTED:
1061 plt_err("Invalid auth type");
1063 case ROC_IE_ON_ENCRYPT_UNSUPPORTED:
1064 plt_err("Invalid encrypt type");
1067 plt_err("Request failed with unknown microcode completion code : 0x%x",